From a1f36e48d348b2cac25a1558d513f00cd917391e Mon Sep 17 00:00:00 2001 From: largemouth Date: Wed, 15 May 2024 11:41:23 +0800 Subject: [PATCH 001/343] chore: fix some function names Signed-off-by: largemouth --- brontide/noise_test.go | 2 +- chainntnfs/txnotifier_test.go | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/brontide/noise_test.go b/brontide/noise_test.go index 8ff7e5836f..368d790dfb 100644 --- a/brontide/noise_test.go +++ b/brontide/noise_test.go @@ -148,7 +148,7 @@ func TestConnectionCorrectness(t *testing.T) { } } -// TestConecurrentHandshakes verifies the listener's ability to not be blocked +// TestConcurrentHandshakes verifies the listener's ability to not be blocked // by other pending handshakes. This is tested by opening multiple tcp // connections with the listener, without completing any of the brontide acts. // The test passes if real brontide dialer connects while the others are diff --git a/chainntnfs/txnotifier_test.go b/chainntnfs/txnotifier_test.go index 9f3e15b74b..3ef276b42c 100644 --- a/chainntnfs/txnotifier_test.go +++ b/chainntnfs/txnotifier_test.go @@ -815,7 +815,7 @@ func TestTxNotifierHistoricalSpendDispatch(t *testing.T) { } } -// TestTxNotifierMultipleHistoricalRescans ensures that we don't attempt to +// TestTxNotifierMultipleHistoricalConfRescans ensures that we don't attempt to // request multiple historical confirmation rescans per transactions. func TestTxNotifierMultipleHistoricalConfRescans(t *testing.T) { t.Parallel() @@ -862,7 +862,7 @@ func TestTxNotifierMultipleHistoricalConfRescans(t *testing.T) { } } -// TestTxNotifierMultipleHistoricalRescans ensures that we don't attempt to +// TestTxNotifierMultipleHistoricalSpendRescans ensures that we don't attempt to // request multiple historical spend rescans per outpoints. func TestTxNotifierMultipleHistoricalSpendRescans(t *testing.T) { t.Parallel() @@ -1741,7 +1741,7 @@ func TestTxNotifierSpendReorg(t *testing.T) { } } -// TestTxNotifierUpdateSpendReorg tests that a call to RegisterSpend after the +// TestTxNotifierSpendReorgMissed tests that a call to RegisterSpend after the // spend has been confirmed, and then UpdateSpendDetails (called by historical // dispatch), followed by a chain re-org will notify on the Reorg channel. This // was not always the case and has since been fixed. @@ -2160,7 +2160,7 @@ func TestTxNotifierSpendHintCache(t *testing.T) { } } -// TestTxNotifierSpendHinthistoricalRescan checks that the height hints and +// TestTxNotifierSpendDuringHistoricalRescan checks that the height hints and // spend notifications behave as expected when a spend is found at tip during a // historical rescan. func TestTxNotifierSpendDuringHistoricalRescan(t *testing.T) { From 30047feb359db201a12d804a467588667af7ab2e Mon Sep 17 00:00:00 2001 From: zoupingshi Date: Fri, 31 May 2024 15:16:33 +0800 Subject: [PATCH 002/343] chore: fix some comments Signed-off-by: zoupingshi --- funding/manager.go | 2 +- lnwallet/wallet.go | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/funding/manager.go b/funding/manager.go index 2f020b9d5c..40d49c6e21 100644 --- a/funding/manager.go +++ b/funding/manager.go @@ -3911,7 +3911,7 @@ func (f *Manager) handleChannelReady(peer lnpeer.Peer, //nolint:funlen localNonce, ok := f.pendingMusigNonces[chanID] if !ok { // If there's no pending nonce for this channel ID, - // we'll use the one generatd above. + // we'll use the one generated above. localNonce = firstVerNonce f.pendingMusigNonces[chanID] = firstVerNonce } diff --git a/lnwallet/wallet.go b/lnwallet/wallet.go index b99b6eed2f..cf61606da5 100644 --- a/lnwallet/wallet.go +++ b/lnwallet/wallet.go @@ -2564,7 +2564,7 @@ func (c *CoinSource) ListCoins(minConfs int32, for _, utxo := range utxos { // If there is a filter function supplied all utxos not adhering - // to these conditions will be discared. + // to these conditions will be discarded. if c.allowUtxo != nil && !c.allowUtxo(*utxo) { walletLog.Infof("Cannot use unconfirmed "+ "utxo=%v because it is unstable and could be "+ From 401e74c5689a05a3546d1a655fa9fe272427c4b3 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 31 May 2024 09:44:48 -0400 Subject: [PATCH 003/343] docs: add release notes template for 0.18.1 --- docs/release-notes/release-notes-0.18.1.md | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 docs/release-notes/release-notes-0.18.1.md diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md new file mode 100644 index 0000000000..742307b5bd --- /dev/null +++ b/docs/release-notes/release-notes-0.18.1.md @@ -0,0 +1,42 @@ +# Release Notes +- [Bug Fixes](#bug-fixes) +- [New Features](#new-features) + - [Functional Enhancements](#functional-enhancements) + - [RPC Additions](#rpc-additions) + - [lncli Additions](#lncli-additions) +- [Improvements](#improvements) + - [Functional Updates](#functional-updates) + - [RPC Updates](#rpc-updates) + - [lncli Updates](#lncli-updates) + - [Breaking Changes](#breaking-changes) + - [Performance Improvements](#performance-improvements) +- [Technical and Architectural Updates](#technical-and-architectural-updates) + - [BOLT Spec Updates](#bolt-spec-updates) + - [Testing](#testing) + - [Database](#database) + - [Code Health](#code-health) + - [Tooling and Documentation](#tooling-and-documentation) + +# Bug Fixes + +# New Features +## Functional Enhancements +## RPC Additions +## lncli Additions + +# Improvements +## Functional Updates +## RPC Updates +## lncli Updates +## Code Health +## Breaking Changes +## Performance Improvements + +# Technical and Architectural Updates +## BOLT Spec Updates +## Testing +## Database +## Code Health +## Tooling and Documentation + +# Contributors (Alphabetical Order) From ab00c8ad1886ab7fecabdebc180d4e245c5c3419 Mon Sep 17 00:00:00 2001 From: saubyk <39208279+saubyk@users.noreply.github.com> Date: Sat, 1 Jun 2024 11:25:46 -0700 Subject: [PATCH 004/343] scripts: add gpg key for suheb [skip ci] --- scripts/keys/suheb.asc | 66 +++++++++++++++++++++++++++++++++++++++ scripts/verify-install.sh | 1 + 2 files changed, 67 insertions(+) create mode 100644 scripts/keys/suheb.asc diff --git a/scripts/keys/suheb.asc b/scripts/keys/suheb.asc new file mode 100644 index 0000000000..f4cb7362f9 --- /dev/null +++ b/scripts/keys/suheb.asc @@ -0,0 +1,66 @@ +-----BEGIN PGP PUBLIC KEY BLOCK----- + +mQINBF19YKgBEACzt8iSH+7MFAQYKZNAtVNGFN6KAnsRYtPmwtLHg6A8xf3U3qu7 +7EFi1vFALZdrP5GnJkaxqF1PcRfbNseQrmLzn/nnk04YeyXRDs9hoQFrbCYyZdn0 +EEmoOC/eiqPvq8dMd51nNuubNy3oWJrRaKyvEkrGj1oMNlLYI8u/NWdruTEIGqE9 ++uhp1XdlbIKDmryXaMS4UmMoGK7aOBg4EdCUQ5ARZeW62sfu6+f/lViQgsOMcnqH +BNEaQjHOt+CY9pEiQVu5Udb1CrIacjbw3XO6YKXtMArsxnNnL97pPAMFVPjiGaiW +5BckHiFufREt5lG3sUClQAQwWJgSQ7F/R6Zchbi9WoRq/wZUZpB47kun1iKzMDOk +ywjlEhTtoGmOsWPbF634y/XchHAKaAGVK29zNxoE+9MhHzxbJdYolRVxqWX5Vw4s +YvAy9fXdPMGMhUYQ0wFiR/McJw4n6xY79JNGnxXs+ZIYDjN5ifYfIn+C7Y+Uf247 +3tI1RvEMeH97fV9VoT1WZRSrS3uoUfjihJOvpsd4twunO74bNYverppmp7cHDFDP +1SDW/GxPbn+9QG1apsN/81Drb2VTSvMJEX5eOF6P9xINlt8Lsx0vvuYrRdboGQbV +tpKTgYYoYophTxfWg+KtXIyBEjwSiHJUfdMsOifwJtk47NLVGyvbMQg+OwARAQAB +tD1zYXVieWsgKGFkZGVkIHVpZCkgPDM5MjA4Mjc5K3NhdWJ5a0B1c2Vycy5ub3Jl 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+4rwuRWZvBQJjOhFnBQkLYEs+AAoJEADJ4rwuRWZv2BMQAJ3WiAVWsTjrFn0I4XHj +a/26i5sKOGMZXijcdkVQK8QDo8AKU+c3C1gRQ/6FHWLrqre0Hq9SSApgwreppX3l ++QXUVp5hw2VFh5ZrLvJzLyfhoaPLuYkvIAhv0dF9V3RQ/t22Xgdb68ttSMNm8KKB +9gK397Btw8ZEmLZ4GS6JizW3slKf8nl86S1vxBjYUrKw4rzy8Q+6zwS3pPxGIfNX +SuE6Z5yK6AuZ6ZdI3rbnbk6l+k+KiFhWYqO4i+qjF/7LYkN+FumhekpF2RYTF3Sv +sSxz+pVlrwjrR4WqX4yv1x+jM3jebpZWfUSBzewDKMvYW0bs/zB1MBYWKlk8l6o2 +Y0uVx/4FVSulE8BO39beI3atsnItvgWI5KroSPbe/B72iMRnY+0KJkFC7P234nfw +RNO8/Cipy1H1hdb/13tp809uyBKdVUNkUkJIs5NMO0P3jXYc8NtJxntDekf3V27e +Vd6RDvhLEkghLUUZNfWcQbtgdwNFbs7X8EV3jWNdN9TPP7X0YU8jRxWx1OzPBEIc +o/lYLIwkny+uUrCfuCXgWlkgkrxL4AGKBxBM2i1Obmklnv4GOui2gHSmIfqc57co +hVIFumZPGS5UVG6eBbR6dPsrQ7uaNF9Wm6EshZShx15uujOrOoT788LONVlK8gKy +2U1OelnPjf7CUGH63+eL/p+tuQINBF19YKgBEADCmkIAny+QAPERnyhUIxn0yS+7 +SjG+h7Dv7pZKcu0Xh43ImJGpboe7+XUQ4lEDqt/7xdmUjwwZmrJp6/VIK8v5JNkS +2p6abtU4X6W2pvnu9b/epv9ONFd0QNnjaUq93NaF6pba8uVN8cu5cI8pFx1pOF3k +m9Esz9AY5ubXx6iuq95proyb168g3dgSGIjW2Vdd5dEiraouvQiMh1AWludW3bTh +mR6CbyL/FXW+R8kZhi/nJkXqSgfBnfjrZUZ7Y4vp02GnxX0FJ0qMWG2Lv4xKPyL+ +eO6CXhAvuJEpdEtpsyNXBFYXoIRdEBQxYtKwxgxH8aSQul3j5lI+aixvO7pS6KT0 +x8NlXOYwfcBPVzZtYzspxYPLr8EofH0qldGZFaCo70HVUVr0RKMBDNO7/a3oqZ6c +jnd7pwX6ijKVb6jLmos07K82NXPbc+P7CefcokpoavwwnSKwFXaF8KYt2TSNd6bU +RnWYEqkd/wEYhpoYvd498N0Tek28gGiF2CVfn0QWXdb0Ib8Crx9kdE+otn+UD4uw +jlwvU7kLkRm9g/1dtVxchg0VauaBOqSJdR/HYUQNZMxowdZ9vJFSYjDOdzZttCDY +WfBDmGx8TxiY5hCElFu2Lvwhpa54z+AQ50deuIZVN0H+kbuxeGuCuHNz9uY4nQ+l +ga9fE3l1/R8KMhCOswARAQABiQI8BBgBCAAmAhsMFiEEPpvUQ2wogDnKgnqSAMni +vC5FZm8FAmM6EdcFCQtgS68ACgkQAMnivC5FZm8erg/9HWQ+JIMTdL7yR0OO0LQV +0EVYX11XQOPDbeKB63mh0CWklpNGjT7gw5LYhJmzQz6n88kqgPHZ8x99eDzF6tjW +KFbQNrk5pfdaWkDs5azHYBwEL60/W42LcWHH0PSRQnsslRImfLMEENU3Ja3C2x84 +ykUg/zKQcjJvJybNG3Y1WV+JDffmO+rySO4QpHdS6HUhgTS0yCK8AC0t3zdff8+Q +mWDakhJ+vcRyCFVnyYVkBqpbz28RVS2xljWrzscAk0l19hkuVhk5Tn8Ik5CQRrhX +FKQMkYTzNmBhQuOs4Cp+LXhRgMhvWc9H9z71bCCFZSnbYQhpm3fxPVCDboy4Yl0x +CcKsTmXZJP7cD44ZK/mJxT0rRik0E/h5a1VVfXkSD3E9a6BJ9ML1Lry1mYO/7VzS +nUGagLAnHi7DTczWD5KZHAFvJQggQj4tHuUqAH21N0mB/wgdwzZY+MCZGn9C1ilw +BIf4n2WG2kL8n+bav30HD/GsSci5zNxsrJ9oVsEUnT/ifh1eMR6T1QN4VI89jLWA +UAAt2Ete3/sAIZCvQyWqv66Uf9LyvvjanourlRrgfoB+I4xedvw3qsEHwsxn/HEm +TZXZJLsgL2LDCanbz+zuUwXgffxFR63wi91ga/kKghO3aElmnSj3OE+6/n+71vO0 +7jm9h40dWyN1JPZg4x6Dw+0= +=u/bp +-----END PGP PUBLIC KEY BLOCK----- diff --git a/scripts/verify-install.sh b/scripts/verify-install.sh index bef2f0310b..fd1ad8f02e 100755 --- a/scripts/verify-install.sh +++ b/scripts/verify-install.sh @@ -34,6 +34,7 @@ KEYS+=("187F6ADD93AE3B0CF335AA6AB984570980684DCC ViktorTigerstrom") KEYS+=("E85497D2DBA0EB9ADB0024279BCD95C4FF296868 yyforyongyu") KEYS+=("32F7EA1E7A0339F7D37164B9F82D456EA023C9BF hieblmi") KEYS+=("5295A477FFC8064D7057B191FA7E65C951F12439 proofofkeags") +KEYS+=("3E9BD4436C288039CA827A9200C9E2BC2E45666F suheb") TEMP_DIR=$(mktemp -d /tmp/lnd-sig-verification-XXXXXX) From 4a3af519b84af9a5c6d96b7d4f230d616602f821 Mon Sep 17 00:00:00 2001 From: Bufo Date: Mon, 3 Jun 2024 11:28:26 +0200 Subject: [PATCH 005/343] chore: allow 0 failure amount on import mission control --- cmd/lncli/cmd_import_mission_control.go | 5 +++-- docs/release-notes/release-notes-0.18.1.md | 10 ++++++++++ lnrpc/routerrpc/router_server.go | 23 +++++++++++++++------- 3 files changed, 29 insertions(+), 9 deletions(-) diff --git a/cmd/lncli/cmd_import_mission_control.go b/cmd/lncli/cmd_import_mission_control.go index 23935753d2..420396322f 100644 --- a/cmd/lncli/cmd_import_mission_control.go +++ b/cmd/lncli/cmd_import_mission_control.go @@ -66,8 +66,9 @@ func importMissionControl(ctx *cli.Context) error { return fmt.Errorf("please provide amount in msat: %w", err) } - if amt <= 0 { - return errors.New("amount must be >0") + // Allow 0 value as failure amount. + if !ctx.IsSet("failure") && amt <= 0 { + return errors.New("success amount must be >0") } client := routerrpc.NewRouterClient(conn) diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index 742307b5bd..9d48e76c8d 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -27,7 +27,15 @@ # Improvements ## Functional Updates ## RPC Updates + +* [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) + now accepts `0` failure amounts. + ## lncli Updates + +* [`importmc`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts + `0` failure amounts. + ## Code Health ## Breaking Changes ## Performance Improvements @@ -40,3 +48,5 @@ ## Tooling and Documentation # Contributors (Alphabetical Order) + +* Bufo diff --git a/lnrpc/routerrpc/router_server.go b/lnrpc/routerrpc/router_server.go index 090fef0ed5..be9609893f 100644 --- a/lnrpc/routerrpc/router_server.go +++ b/lnrpc/routerrpc/router_server.go @@ -1137,6 +1137,7 @@ func toPairSnapshot(pairResult *PairHistory) (*routing.MissionControlPairSnapsho lnwire.MilliSatoshi(pairResult.History.FailAmtMsat), btcutil.Amount(pairResult.History.FailAmtSat), pairResult.History.FailTime, + true, ) if err != nil { return nil, fmt.Errorf("%v invalid failure: %w", pairPrefix, @@ -1147,6 +1148,7 @@ func toPairSnapshot(pairResult *PairHistory) (*routing.MissionControlPairSnapsho lnwire.MilliSatoshi(pairResult.History.SuccessAmtMsat), btcutil.Amount(pairResult.History.SuccessAmtSat), pairResult.History.SuccessTime, + false, ) if err != nil { return nil, fmt.Errorf("%v invalid success: %w", pairPrefix, @@ -1174,9 +1176,11 @@ func toPairSnapshot(pairResult *PairHistory) (*routing.MissionControlPairSnapsho } // getPair validates the values provided for a mission control result and -// returns the msat amount and timestamp for it. +// returns the msat amount and timestamp for it. `isFailure` can be used to +// default values to 0 instead of returning an error. func getPair(amtMsat lnwire.MilliSatoshi, amtSat btcutil.Amount, - timestamp int64) (lnwire.MilliSatoshi, time.Time, error) { + timestamp int64, isFailure bool) (lnwire.MilliSatoshi, time.Time, + error) { amt, err := getMsatPairValue(amtMsat, amtSat) if err != nil { @@ -1189,16 +1193,21 @@ func getPair(amtMsat lnwire.MilliSatoshi, amtSat btcutil.Amount, ) switch { + // If a timestamp and amount if provided, return those values. case timeSet && amountSet: return amt, time.Unix(timestamp, 0), nil - case timeSet && !amountSet: + // Return an error if it does have a timestamp without an amount, and + // it's not expected to be a failure. + case !isFailure && timeSet && !amountSet: return 0, time.Time{}, errors.New("non-zero timestamp " + - "requires non-zero amount") + "requires non-zero amount for success pairs") - case !timeSet && amountSet: - return 0, time.Time{}, errors.New("non-zero amount requires " + - "non-zero timestamp") + // Return an error if it does have an amount without a timestamp, and + // it's not expected to be a failure. + case !isFailure && !timeSet && amountSet: + return 0, time.Time{}, errors.New("non-zero amount for " + + "success pairs requires non-zero timestamp") default: return 0, time.Time{}, nil From cd3c17e1c0aead61b0dfdedd84a4a595e65974e2 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 31 May 2024 15:39:55 -0700 Subject: [PATCH 006/343] fn: add predicate combinators for && and || --- fn/predicate.go | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 fn/predicate.go diff --git a/fn/predicate.go b/fn/predicate.go new file mode 100644 index 0000000000..0931bdc969 --- /dev/null +++ b/fn/predicate.go @@ -0,0 +1,20 @@ +package fn + +// Pred[A] is a type alias for a predicate operating over type A. +type Pred[A any] func(A) bool + +// PredAnd is a lifted version of the && operation that operates over functions +// producing a boolean value from some type A. +func PredAnd[A any](p0 Pred[A], p1 Pred[A]) Pred[A] { + return func(a A) bool { + return p0(a) && p1(a) + } +} + +// PredOr is a lifted version of the || operation that operates over functions +// producing a boolean value from some type A. +func PredOr[A any](p0 Pred[A], p1 Pred[A]) Pred[A] { + return func(a A) bool { + return p0(a) || p1(a) + } +} From a5c04bbd148c53b936c914b5e4aa5f5f58ee527f Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Thu, 30 May 2024 11:54:10 +0200 Subject: [PATCH 007/343] GitHub: increase itest parallelization to 16 tranches --- .github/workflows/main.yml | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index c025f0d2d8..35ac97c0a9 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -22,6 +22,8 @@ defaults: env: BITCOIN_VERSION: "27" + + TRANCHES: 16 # If you change this value, please change it in the following files as well: # /.travis.yml @@ -275,7 +277,7 @@ jobs: run: ./scripts/install_bitcoind.sh $BITCOIN_VERSION - name: run ${{ matrix.name }} - run: make itest-parallel ${{ matrix.args }} + run: make itest-parallel tranches=${{ env.TRANCHES }} ${{ matrix.args }} - name: Send coverage if: ${{ contains(matrix.args, 'cover=1') }} @@ -317,7 +319,7 @@ jobs: key-prefix: integration-test - name: run itest - run: make itest-parallel windows=1 + run: make itest-parallel tranches=${{ env.TRANCHES }} windows=1 - name: kill any remaining lnd processes if: ${{ failure() }} @@ -361,7 +363,7 @@ jobs: mv bitcoin-${BITCOIN_VERSION}.0 /tmp/bitcoin - name: run itest - run: PATH=$PATH:/tmp/bitcoin/bin make itest-parallel backend=bitcoind + run: PATH=$PATH:/tmp/bitcoin/bin make itest-parallel tranches=${{ env.TRANCHES }} backend=bitcoind - name: Zip log files on failure if: ${{ failure() }} From 55452f64e844ec0889bf1455614e829b3ff1fc3c Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 3 Jun 2024 20:37:04 +0800 Subject: [PATCH 008/343] lntest: wait for mempool update after mining txns --- lntest/harness.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lntest/harness.go b/lntest/harness.go index ba61b0ac38..4c26e1aa77 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -1778,6 +1778,11 @@ func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, h.Miner.AssertTxInBlock(blocks[0], txid) } + // Make sure the mempool has been updated. + for _, txid := range txids { + h.Miner.AssertTxNotInMempool(*txid) + } + // Finally, make sure all the active nodes are synced. bestBlock := blocks[len(blocks)-1] h.AssertActiveNodesSyncedTo(bestBlock) From c9cad6ab812b24f972b9e14c8cdd8b2303537535 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 4 Jun 2024 02:57:52 +0800 Subject: [PATCH 009/343] itest+sweep: refactor `testSignPsbt` to use `Subtest` and add logs --- itest/lnd_psbt_test.go | 55 ++++++++++++++++++++++++++++++++++-------- sweep/walletsweep.go | 9 +++++++ 2 files changed, 54 insertions(+), 10 deletions(-) diff --git a/itest/lnd_psbt_test.go b/itest/lnd_psbt_test.go index cd93fa0c0f..2d41185999 100644 --- a/itest/lnd_psbt_test.go +++ b/itest/lnd_psbt_test.go @@ -649,16 +649,51 @@ func runPsbtChanFundingSingleStep(ht *lntest.HarnessTest, carol, // testSignPsbt tests that the SignPsbt RPC works correctly. func testSignPsbt(ht *lntest.HarnessTest) { - runSignPsbtSegWitV0P2WKH(ht, ht.Alice) - runSignPsbtSegWitV0NP2WKH(ht, ht.Alice) - runSignPsbtSegWitV1KeySpendBip86(ht, ht.Alice) - runSignPsbtSegWitV1KeySpendRootHash(ht, ht.Alice) - runSignPsbtSegWitV1ScriptSpend(ht, ht.Alice) - - // The above tests all make sure we can sign for keys that aren't in - // the wallet. But we also want to make sure we can fund and then sign - // PSBTs from our wallet. - runFundAndSignPsbt(ht, ht.Alice) + psbtTestRunners := []struct { + name string + runner func(*lntest.HarnessTest, *node.HarnessNode) + }{ + { + name: "sign psbt segwit v0 P2WPKH", + runner: runSignPsbtSegWitV0P2WKH, + }, + { + name: "sign psbt segwit v0 P2WSH", + runner: runSignPsbtSegWitV0NP2WKH, + }, + { + name: "sign psbt segwit v1 key spend bip86", + runner: runSignPsbtSegWitV1KeySpendBip86, + }, + { + name: "sign psbt segwit v1 key spend root hash", + runner: runSignPsbtSegWitV1KeySpendRootHash, + }, + { + name: "sign psbt segwit v1 script spend", + runner: runSignPsbtSegWitV1ScriptSpend, + }, + { + // The above tests all make sure we can sign for keys + // that aren't in the wallet. But we also want to make + // sure we can fund and then sign PSBTs from our + // wallet. + name: "fund and sign psbt", + runner: runFundAndSignPsbt, + }, + } + + for _, tc := range psbtTestRunners { + succeed := ht.Run(tc.name, func(t *testing.T) { + st := ht.Subtest(t) + tc.runner(st, st.Alice) + }) + + // Abort the test if failed. + if !succeed { + return + } + } } // runSignPsbtSegWitV0P2WKH tests that the SignPsbt RPC works correctly for a diff --git a/sweep/walletsweep.go b/sweep/walletsweep.go index 8eb3764a11..7338550682 100644 --- a/sweep/walletsweep.go +++ b/sweep/walletsweep.go @@ -246,6 +246,8 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, // knows of. Otherwise, it may be possible for a new funding flow to // lock an output while we fetch the set of unspent witnesses. err := coinSelectLocker.WithCoinSelectLock(func() error { + log.Trace("[WithCoinSelectLock] entered the lock") + // Now that we can be sure that no other coin selection // operations are going on, we can grab a clean snapshot of the // current UTXO state of the wallet. @@ -256,10 +258,15 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, return err } + log.Trace("[WithCoinSelectLock] finished fetching UTXOs") + // We'll now lock each UTXO to ensure that other callers don't // attempt to use these UTXOs in transactions while we're // crafting out sweep all transaction. for _, utxo := range utxos { + log.Tracef("[WithCoinSelectLock] leasing utxo: %v", + utxo.OutPoint) + _, _, _, err = outputLeaser.LeaseOutput( chanfunding.LndInternalLockID, utxo.OutPoint, chanfunding.DefaultLockDuration, @@ -269,6 +276,8 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, } } + log.Trace("[WithCoinSelectLock] exited the lock") + allOutputs = append(allOutputs, utxos...) return nil From d9498a9d133201b78493df63a3b048c0efe5b590 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 4 Jun 2024 04:09:55 +0800 Subject: [PATCH 010/343] lntest: increase DefaultTimeout for postgres --- lntest/wait/timeouts_remote_db.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lntest/wait/timeouts_remote_db.go b/lntest/wait/timeouts_remote_db.go index bc6784ff03..470cc3aa8a 100644 --- a/lntest/wait/timeouts_remote_db.go +++ b/lntest/wait/timeouts_remote_db.go @@ -20,7 +20,7 @@ const ( // DefaultTimeout is a timeout that will be used for various wait // scenarios where no custom timeout value is defined. - DefaultTimeout = time.Second * 45 + DefaultTimeout = time.Second * 60 // AsyncBenchmarkTimeout is the timeout used when running the async // payments benchmark. From 80b60d34aa7bf77bc1d6177e43ea98e10c400e41 Mon Sep 17 00:00:00 2001 From: David Gumberg Date: Mon, 19 Feb 2024 11:17:57 -0500 Subject: [PATCH 011/343] lncli: Expose `cltv_expiry` flag of `addinvoice` Allows users of the RPC CLI to set the `min_final_cltv_expiry_delta` described in BOLT's 11, 7, and 2 by setting the `cltv_expiry` flag when calling either of the `addinvoice` or `addholdinvoice` RPC's from `lncli`. --- cmd/lncli/cmd_invoice.go | 9 +++++++++ cmd/lncli/invoicesrpc_active.go | 9 +++++++++ 2 files changed, 18 insertions(+) diff --git a/cmd/lncli/cmd_invoice.go b/cmd/lncli/cmd_invoice.go index 4c60294caa..7eef6f6d17 100644 --- a/cmd/lncli/cmd_invoice.go +++ b/cmd/lncli/cmd_invoice.go @@ -60,6 +60,14 @@ var addInvoiceCommand = cli.Command{ "specified, an expiry of " + "86400 seconds (24 hours) is implied.", }, + cli.Uint64Flag{ + Name: "cltv_expiry_delta", + Usage: "The minimum CLTV delta to use for the final " + + "hop. If this is set to 0, the default value " + + "is used. The default value for " + + "cltv_expiry_delta is configured by the " + + "'bitcoin.timelockdelta' option.", + }, cli.BoolFlag{ Name: "private", Usage: "encode routing hints in the invoice with " + @@ -127,6 +135,7 @@ func addInvoice(ctx *cli.Context) error { DescriptionHash: descHash, FallbackAddr: ctx.String("fallback_addr"), Expiry: ctx.Int64("expiry"), + CltvExpiry: ctx.Uint64("cltv_expiry_delta"), Private: ctx.Bool("private"), IsAmp: ctx.Bool("amp"), } diff --git a/cmd/lncli/invoicesrpc_active.go b/cmd/lncli/invoicesrpc_active.go index 2ce9006956..823af67bf8 100644 --- a/cmd/lncli/invoicesrpc_active.go +++ b/cmd/lncli/invoicesrpc_active.go @@ -184,6 +184,14 @@ var addHoldInvoiceCommand = cli.Command{ "specified, an expiry of " + "86400 seconds (24 hours) is implied.", }, + cli.Uint64Flag{ + Name: "cltv_expiry_delta", + Usage: "The minimum CLTV delta to use for the final " + + "hop. If this is set to 0, the default value " + + "is used. The default value for " + + "cltv_expiry_delta is configured by the " + + "'bitcoin.timelockdelta' option.", + }, cli.BoolFlag{ Name: "private", Usage: "encode routing hints in the invoice with " + @@ -241,6 +249,7 @@ func addHoldInvoice(ctx *cli.Context) error { DescriptionHash: descHash, FallbackAddr: ctx.String("fallback_addr"), Expiry: ctx.Int64("expiry"), + CltvExpiry: ctx.Uint64("cltv_expiry_delta"), Private: ctx.Bool("private"), } From 4646afb366f9cb0da6a5ee0a940291888d491bae Mon Sep 17 00:00:00 2001 From: David Gumberg Date: Mon, 19 Feb 2024 12:04:43 -0500 Subject: [PATCH 012/343] lnrpc: Fix bug in 'cltv below minimum' error msg Previously the error message produced when `CltvExpiry` is less than the minimum final cltv (18 at present) set by `routing.MinCLTVDelta` inserted the values into the wrong spots of the formatted string. --- lnrpc/invoicesrpc/addinvoice.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 3e20ebf62e..4b55f3f0dd 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -367,7 +367,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, if invoice.CltvExpiry < routing.MinCLTVDelta { return nil, nil, fmt.Errorf("CLTV delta of %v must be "+ "greater than minimum of %v", - routing.MinCLTVDelta, invoice.CltvExpiry) + invoice.CltvExpiry, routing.MinCLTVDelta) } options = append(options, From 3c1b7ad59c6000999d59e765a5a24b297abb3ea9 Mon Sep 17 00:00:00 2001 From: David Gumberg Date: Sun, 2 Jun 2024 11:06:25 -0400 Subject: [PATCH 013/343] Release note for cltv_expiry flag to addinvoice --- docs/release-notes/release-notes-0.18.1.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index 742307b5bd..68e6d63b8d 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -24,6 +24,10 @@ ## RPC Additions ## lncli Additions +* [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` + argument to `addinvoice` and `addholdinvoice`, allowing users to set the + `min_final_cltv_expiry_delta` + # Improvements ## Functional Updates ## RPC Updates From 56048133f2f2e7f8d7e061a348b107c9a72c5418 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Thu, 30 May 2024 17:44:30 -0700 Subject: [PATCH 014/343] itest+lntest: add itest to reproduce bug #8535 --- itest/list_on_test.go | 4 + .../lnd_coop_close_external_delivery_test.go | 92 +++++++++++++++++++ lntest/harness.go | 5 + 3 files changed, 101 insertions(+) create mode 100644 itest/lnd_coop_close_external_delivery_test.go diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 1c563aa203..3619c22824 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -626,4 +626,8 @@ var allTestCases = []*lntest.TestCase{ Name: "sweep commit output and anchor", TestFunc: testSweepCommitOutputAndAnchor, }, + { + Name: "coop close with external delivery", + TestFunc: testCoopCloseWithExternalDelivery, + }, } diff --git a/itest/lnd_coop_close_external_delivery_test.go b/itest/lnd_coop_close_external_delivery_test.go new file mode 100644 index 0000000000..7557923034 --- /dev/null +++ b/itest/lnd_coop_close_external_delivery_test.go @@ -0,0 +1,92 @@ +package itest + +import ( + "testing" + + "github.com/btcsuite/btcd/btcutil" + "github.com/lightningnetwork/lnd/lnrpc" + "github.com/lightningnetwork/lnd/lntest" + "github.com/stretchr/testify/require" +) + +func testCoopCloseWithExternalDelivery(ht *lntest.HarnessTest) { + ht.Run("set delivery address at open", func(t *testing.T) { + tt := ht.Subtest(t) + testCoopCloseWithExternalDeliveryImpl(tt, true) + }) + ht.Run("set delivery address at close", func(t *testing.T) { + tt := ht.Subtest(t) + testCoopCloseWithExternalDeliveryImpl(tt, false) + }) +} + +// testCoopCloseWithExternalDeliveryImpl ensures that we have a valid settled +// balance irrespective of whether the delivery address is in LND's wallet or +// not. Some users set this value to be an address in a different wallet and +// this should not affect our ability to accurately report the settled balance. +func testCoopCloseWithExternalDeliveryImpl(ht *lntest.HarnessTest, + upfrontShutdown bool) { + + alice, bob := ht.Alice, ht.Bob + ht.ConnectNodes(alice, bob) + + // Here we generate a final delivery address in bob's wallet but set by + // alice. We do this to ensure that the address is not in alice's LND + // wallet. We already correctly track settled balances when the address + // is in the LND wallet. + addr := bob.RPC.NewAddress(&lnrpc.NewAddressRequest{ + Type: lnrpc.AddressType_UNUSED_WITNESS_PUBKEY_HASH, + }) + + // Prepare for channel open. + openParams := lntest.OpenChannelParams{ + Amt: btcutil.Amount(1000000), + } + + // If we are testing the case where we set it on open then we'll set the + // upfront shutdown script in the channel open parameters. + if upfrontShutdown { + openParams.CloseAddress = addr.Address + } + + // Open the channel! + chanPoint := ht.OpenChannel(alice, bob, openParams) + + // Prepare for channel close. + closeParams := lnrpc.CloseChannelRequest{ + ChannelPoint: chanPoint, + TargetConf: 6, + } + + // If we are testing the case where we set the delivery address on + // channel close then we will set it in the channel close parameters. + if !upfrontShutdown { + closeParams.DeliveryAddress = addr.Address + } + + // Close the channel! + closeClient := alice.RPC.CloseChannel(&closeParams) + + // Assert that we got a channel update when we get a closing txid. + _, err := closeClient.Recv() + require.NoError(ht, err) + + // Mine the closing transaction. + ht.MineClosingTx(chanPoint) + + // Assert that we got a channel update when the closing tx was mined. + _, err = closeClient.Recv() + require.NoError(ht, err) + + // Here we query our closed channels to conduct the final test + // assertion. We want to ensure that even though alice's delivery + // address is set to an address in bob's wallet, we should still show + // the balance as settled. + closed := alice.RPC.ClosedChannels(&lnrpc.ClosedChannelsRequest{ + Cooperative: true, + }) + + // The settled balance should never be zero at this point. + require.NotZero(ht, len(closed.Channels)) + require.NotZero(ht, closed.Channels[0].SettledBalance) +} diff --git a/lntest/harness.go b/lntest/harness.go index 4c26e1aa77..92549427f1 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -1007,6 +1007,10 @@ type OpenChannelParams struct { // FundMax flag is specified the entirety of selected funds is // allocated towards channel funding. Outpoints []*lnrpc.OutPoint + + // CloseAddress sets the upfront_shutdown_script parameter during + // channel open. It is expected to be encoded as a bitcoin address. + CloseAddress string } // prepareOpenChannel waits for both nodes to be synced to chain and returns an @@ -1059,6 +1063,7 @@ func (h *HarnessTest) prepareOpenChannel(srcNode, destNode *node.HarnessNode, FundMax: p.FundMax, Memo: p.Memo, Outpoints: p.Outpoints, + CloseAddress: p.CloseAddress, } } From 1936aa726115bab49d0bf8509b8d06ccf8e0139f Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 6 Jun 2024 13:28:41 +0200 Subject: [PATCH 015/343] lnrpc: channel point for GetChanInfo --- lnrpc/lightning.pb.go | 2722 +++++++++++++++++----------------- lnrpc/lightning.pb.gw.go | 18 + lnrpc/lightning.proto | 4 + lnrpc/lightning.swagger.json | 7 + 4 files changed, 1396 insertions(+), 1355 deletions(-) diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index b58a97d7ee..305e624124 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -11260,6 +11260,9 @@ type ChanInfoRequest struct { // height, the next 3 the index within the block, and the last 2 bytes are the // output index for the channel. ChanId uint64 `protobuf:"varint,1,opt,name=chan_id,json=chanId,proto3" json:"chan_id,omitempty"` + // The channel point of the channel in format funding_txid:output_index. If + // chan_id is specified, this field is ignored. + ChanPoint string `protobuf:"bytes,2,opt,name=chan_point,json=chanPoint,proto3" json:"chan_point,omitempty"` } func (x *ChanInfoRequest) Reset() { @@ -11301,6 +11304,13 @@ func (x *ChanInfoRequest) GetChanId() uint64 { return 0 } +func (x *ChanInfoRequest) GetChanPoint() string { + if x != nil { + return x.ChanPoint + } + return "" +} + type NetworkInfoRequest struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -19721,1387 +19731,1389 @@ var file_lightning_proto_rawDesc = []byte{ 0x01, 0x20, 0x01, 0x28, 0x01, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x29, 0x0a, 0x10, 0x6e, 0x6f, 0x72, 0x6d, 0x61, 0x6c, 0x69, 0x7a, 0x65, 0x64, 0x5f, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x01, 0x52, 0x0f, 0x6e, 0x6f, 0x72, 0x6d, 0x61, 0x6c, 0x69, 0x7a, - 0x65, 0x64, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x2e, 0x0a, 0x0f, 0x43, 0x68, 0x61, 0x6e, 0x49, + 0x65, 0x64, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x4d, 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*http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) { var protoReq ChanInfoRequest var metadata runtime.ServerMetadata @@ -1576,6 +1580,13 @@ func request_Lightning_GetChanInfo_0(ctx context.Context, marshaler runtime.Mars return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "chan_id", err) } + if err := req.ParseForm(); err != nil { + return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err) + } + if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Lightning_GetChanInfo_0); err != nil { + return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err) + } + msg, err := client.GetChanInfo(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD)) return msg, metadata, err @@ -1602,6 +1613,13 @@ func local_request_Lightning_GetChanInfo_0(ctx context.Context, marshaler runtim return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "chan_id", err) } + if err := req.ParseForm(); err != nil { + return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err) + } + if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Lightning_GetChanInfo_0); err != nil { + return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err) + } + msg, err := server.GetChanInfo(ctx, &protoReq) return msg, metadata, err diff --git a/lnrpc/lightning.proto b/lnrpc/lightning.proto index 6356a6b47c..a13ca95c5f 100644 --- a/lnrpc/lightning.proto +++ b/lnrpc/lightning.proto @@ -3443,6 +3443,10 @@ message ChanInfoRequest { output index for the channel. */ uint64 chan_id = 1 [jstype = JS_STRING]; + + // The channel point of the channel in format funding_txid:output_index. If + // chan_id is specified, this field is ignored. + string chan_point = 2; } message NetworkInfoRequest { diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index c799580807..ae59f4a196 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -1204,6 +1204,13 @@ "required": true, "type": "string", "format": "uint64" + }, + { + "name": "chan_point", + "description": "The channel point of the channel in format funding_txid:output_index. If\nchan_id is specified, this field is ignored.", + "in": "query", + "required": false, + "type": "string" } ], "tags": [ From 7923ca0de4004b882d4ecf79fc67a413202bc4dd Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 6 Jun 2024 13:29:54 +0200 Subject: [PATCH 016/343] rpcserver: retrieve channel info for channel point --- rpcserver.go | 35 ++++++++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-) diff --git a/rpcserver.go b/rpcserver.go index 9f3ad24b5a..4dcb284dcd 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -6295,15 +6295,40 @@ func (r *rpcServer) GetNodeMetrics(ctx context.Context, } // GetChanInfo returns the latest authenticated network announcement for the -// given channel identified by its channel ID: an 8-byte integer which uniquely -// identifies the location of transaction's funding output within the block -// chain. -func (r *rpcServer) GetChanInfo(ctx context.Context, +// given channel identified by either its channel ID or a channel outpoint. Both +// uniquely identify the location of transaction's funding output within the +// blockchain. The former is an 8-byte integer, while the latter is a string +// formatted as funding_txid:output_index. +func (r *rpcServer) GetChanInfo(_ context.Context, in *lnrpc.ChanInfoRequest) (*lnrpc.ChannelEdge, error) { graph := r.server.graphDB - edgeInfo, edge1, edge2, err := graph.FetchChannelEdgesByID(in.ChanId) + var ( + edgeInfo *models.ChannelEdgeInfo + edge1, edge2 *models.ChannelEdgePolicy + err error + ) + + switch { + case in.ChanId != 0: + edgeInfo, edge1, edge2, err = graph.FetchChannelEdgesByID( + in.ChanId, + ) + + case in.ChanPoint != "": + var chanPoint *wire.OutPoint + chanPoint, err = wire.NewOutPointFromString(in.ChanPoint) + if err != nil { + return nil, err + } + edgeInfo, edge1, edge2, err = graph.FetchChannelEdgesByOutpoint( + chanPoint, + ) + + default: + return nil, fmt.Errorf("specify either chan_id or chan_point") + } if err != nil { return nil, err } From 9f83f48d785ca412ff221eb5821ff5923beb5c44 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 6 Jun 2024 13:30:24 +0200 Subject: [PATCH 017/343] lncli: channel point for getchaninfo --- cmd/lncli/commands.go | 27 +++++++++++++++++++++------ 1 file changed, 21 insertions(+), 6 deletions(-) diff --git a/cmd/lncli/commands.go b/cmd/lncli/commands.go index 519d1d7fdb..f9f91ef2c8 100644 --- a/cmd/lncli/commands.go +++ b/cmd/lncli/commands.go @@ -1787,8 +1787,16 @@ var getChanInfoCommand = cli.Command{ ArgsUsage: "chan_id", Flags: []cli.Flag{ cli.Uint64Flag{ - Name: "chan_id", - Usage: "the 8-byte compact channel ID to query for", + Name: "chan_id", + Usage: "The 8-byte compact channel ID to query for. " + + "If this is set the chan_point param is " + + "ignored.", + }, + cli.StringFlag{ + Name: "chan_point", + Usage: "The channel point in format txid:index. If " + + "the chan_id param is set this param is " + + "ignored.", }, }, Action: actionDecorator(getChanInfo), @@ -1800,24 +1808,31 @@ func getChanInfo(ctx *cli.Context) error { defer cleanUp() var ( - chanID uint64 - err error + chanID uint64 + chanPoint string + err error ) switch { case ctx.IsSet("chan_id"): chanID = ctx.Uint64("chan_id") + case ctx.Args().Present(): chanID, err = strconv.ParseUint(ctx.Args().First(), 10, 64) if err != nil { return fmt.Errorf("error parsing chan_id: %w", err) } + + case ctx.IsSet("chan_point"): + chanPoint = ctx.String("chan_point") + default: - return fmt.Errorf("chan_id argument missing") + return fmt.Errorf("chan_id or chan_point argument missing") } req := &lnrpc.ChanInfoRequest{ - ChanId: chanID, + ChanId: chanID, + ChanPoint: chanPoint, } chanInfo, err := client.GetChanInfo(ctxc, req) From cc902e3d8a3a81e4d456f6bc8a8b2410667310c9 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 6 Jun 2024 13:34:51 +0200 Subject: [PATCH 018/343] docs: update release notes --- docs/release-notes/release-notes-0.18.1.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index e2288f1666..b5c9596ea4 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -35,10 +35,16 @@ * [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts `0` failure amounts. +* [`ChanInfoRequest`](https://github.com/lightningnetwork/lnd/pull/8813) + adds support for channel points. + ## lncli Updates * [`importmc`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts `0` failure amounts. + +* [`getchaninfo`](https://github.com/lightningnetwork/lnd/pull/8813) now accepts + a channel outpoint besides a channel id. ## Code Health ## Breaking Changes From 78cc1619d7cf9b0cfb20e7a05138fa72bad3d2a1 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 6 Jun 2024 21:15:51 +0800 Subject: [PATCH 019/343] multi: fix complaints from IDE and linter Fixed unused param and nilness cond. --- contractcourt/breach_arbitrator_test.go | 8 ++++---- funding/manager.go | 6 ++---- peer/brontide.go | 4 ++-- rpcserver.go | 6 +++--- 4 files changed, 11 insertions(+), 13 deletions(-) diff --git a/contractcourt/breach_arbitrator_test.go b/contractcourt/breach_arbitrator_test.go index 2fe4644db9..f2883db4ec 100644 --- a/contractcourt/breach_arbitrator_test.go +++ b/contractcourt/breach_arbitrator_test.go @@ -958,7 +958,7 @@ func initBreachedState(t *testing.T) (*BreachArbitrator, // Create a pair of channels using a notifier that allows us to signal // a spend of the funding transaction. Alice's channel will be the on // observing a breach. - alice, bob, err := createInitChannels(t, 1) + alice, bob, err := createInitChannels(t) require.NoError(t, err, "unable to create test channels") // Instantiate a breach arbiter to handle the breach of alice's channel. @@ -2150,7 +2150,7 @@ func createTestArbiter(t *testing.T, contractBreaches chan *ContractBreachEvent, // createInitChannels creates two initialized test channels funded with 10 BTC, // with 5 BTC allocated to each side. Within the channel, Alice is the // initiator. -func createInitChannels(t *testing.T, revocationWindow int) ( +func createInitChannels(t *testing.T) ( *lnwallet.LightningChannel, *lnwallet.LightningChannel, error) { aliceKeyPriv, aliceKeyPub := btcec.PrivKeyFromBytes( @@ -2395,7 +2395,7 @@ func createInitChannels(t *testing.T, revocationWindow int) ( // Now that the channel are open, simulate the start of a session by // having Alice and Bob extend their revocation windows to each other. - err = initRevocationWindows(channelAlice, channelBob, revocationWindow) + err = initRevocationWindows(channelAlice, channelBob) if err != nil { return nil, nil, err } @@ -2408,7 +2408,7 @@ func createInitChannels(t *testing.T, revocationWindow int) ( // commitment state machines. // // TODO(conner) remove code duplication -func initRevocationWindows(chanA, chanB *lnwallet.LightningChannel, windowSize int) error { +func initRevocationWindows(chanA, chanB *lnwallet.LightningChannel) error { aliceNextRevoke, err := chanA.NextRevocationKey() if err != nil { return err diff --git a/funding/manager.go b/funding/manager.go index 40d49c6e21..c3a839277a 100644 --- a/funding/manager.go +++ b/funding/manager.go @@ -1188,7 +1188,7 @@ func (f *Manager) stateStep(channel *channeldb.OpenChannel, // If this is a zero-conf channel, then we will wait // for it to be confirmed before announcing it to the // greater network. - err := f.waitForZeroConfChannel(channel, pendingChanID) + err := f.waitForZeroConfChannel(channel) if err != nil { return fmt.Errorf("failed waiting for zero "+ "channel: %v", err) @@ -3605,9 +3605,7 @@ func (f *Manager) annAfterSixConfs(completeChan *channeldb.OpenChannel, // waitForZeroConfChannel is called when the state is addedToRouterGraph with // a zero-conf channel. This will wait for the real confirmation, add the // confirmed SCID to the router graph, and then announce after six confs. -func (f *Manager) waitForZeroConfChannel(c *channeldb.OpenChannel, - pendingID [32]byte) error { - +func (f *Manager) waitForZeroConfChannel(c *channeldb.OpenChannel) error { // First we'll check whether the channel is confirmed on-chain. If it // is already confirmed, the chainntnfs subsystem will return with the // confirmed tx. Otherwise, we'll wait here until confirmation occurs. diff --git a/peer/brontide.go b/peer/brontide.go index 7aea59be11..1b9041a547 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -1089,7 +1089,7 @@ func (p *Brontide) loadActiveChannels(chans []*channeldb.OpenChannel) ( return } - shutdownMsg = fn.Some[lnwire.Shutdown](*shutdown) + shutdownMsg = fn.Some(*shutdown) }) if shutdownInfoErr != nil { return nil, shutdownInfoErr @@ -2938,7 +2938,7 @@ func (p *Brontide) restartCoopClose(lnChan *lnwallet.LightningChannel) ( }) // An error other than ErrNoShutdownInfo was returned - case err != nil && !errors.Is(err, channeldb.ErrNoShutdownInfo): + case !errors.Is(err, channeldb.ErrNoShutdownInfo): return nil, err case errors.Is(err, channeldb.ErrNoShutdownInfo): diff --git a/rpcserver.go b/rpcserver.go index 9f3ad24b5a..f36027e823 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5677,7 +5677,7 @@ sendLoop: func (r *rpcServer) SendPaymentSync(ctx context.Context, nextPayment *lnrpc.SendRequest) (*lnrpc.SendResponse, error) { - return r.sendPaymentSync(ctx, &rpcPaymentRequest{ + return r.sendPaymentSync(&rpcPaymentRequest{ SendRequest: nextPayment, }) } @@ -5698,12 +5698,12 @@ func (r *rpcServer) SendToRouteSync(ctx context.Context, return nil, err } - return r.sendPaymentSync(ctx, paymentRequest) + return r.sendPaymentSync(paymentRequest) } // sendPaymentSync is the synchronous variant of sendPayment. It will block and // wait until the payment has been fully completed. -func (r *rpcServer) sendPaymentSync(ctx context.Context, +func (r *rpcServer) sendPaymentSync( nextPayment *rpcPaymentRequest) (*lnrpc.SendResponse, error) { // We don't allow payments to be sent while the daemon itself is still From e61cba8d227faa959e1c591cafccf74a8ba98e30 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Fri, 7 Jun 2024 01:14:33 +0800 Subject: [PATCH 020/343] multi: return verbose errors when fetching edges --- channeldb/graph.go | 25 ++++++++++++++----------- discovery/gossiper.go | 16 ++++++++-------- netann/chan_status_manager.go | 4 ++-- peer/brontide.go | 2 +- rpcserver.go | 2 +- server.go | 2 +- 6 files changed, 27 insertions(+), 24 deletions(-) diff --git a/channeldb/graph.go b/channeldb/graph.go index 99ccdaf0b3..227d5fadd1 100644 --- a/channeldb/graph.go +++ b/channeldb/graph.go @@ -1349,7 +1349,7 @@ func (c *ChannelGraph) PruneGraph(spentOutputs []*wire.OutPoint, edges, edgeIndex, chanIndex, zombieIndex, chanID, false, false, ) - if err != nil && err != ErrEdgeNotFound { + if err != nil && !errors.Is(err, ErrEdgeNotFound) { return err } @@ -1610,7 +1610,7 @@ func (c *ChannelGraph) DisconnectBlockAtHeight(height uint32) ( edges, edgeIndex, chanIndex, zombieIndex, k, false, false, ) - if err != nil && err != ErrEdgeNotFound { + if err != nil && !errors.Is(err, ErrEdgeNotFound) { return err } } @@ -2410,7 +2410,7 @@ func (c *ChannelGraph) FetchChanInfos(tx kvdb.RTx, chanIDs []uint64) ( edgeIndex, cidBytes[:], ) switch { - case err == ErrEdgeNotFound: + case errors.Is(err, ErrEdgeNotFound): continue case err != nil: return err @@ -2667,7 +2667,7 @@ func (c *ChannelGraph) UpdateEdgePolicy(edge *models.ChannelEdgePolicy, // Silence ErrEdgeNotFound so that the batch can // succeed, but propagate the error via local state. - if err == ErrEdgeNotFound { + if errors.Is(err, ErrEdgeNotFound) { edgeNotFound = true return nil } @@ -3323,14 +3323,14 @@ func (c *ChannelGraph) FetchChannelEdgesByOutpoint(op *wire.OutPoint) ( } chanID := chanIndex.Get(b.Bytes()) if chanID == nil { - return ErrEdgeNotFound + return fmt.Errorf("%w: op=%v", ErrEdgeNotFound, op) } // If the channel is found to exists, then we'll first retrieve // the general information for the channel. edge, err := fetchChanEdgeInfo(edgeIndex, chanID) if err != nil { - return err + return fmt.Errorf("%w: chanID=%x", err, chanID) } edgeInfo = &edge @@ -3339,7 +3339,7 @@ func (c *ChannelGraph) FetchChannelEdgesByOutpoint(op *wire.OutPoint) ( // edges. e1, e2, err := fetchChanEdgePolicies(edgeIndex, edges, chanID) if err != nil { - return err + return fmt.Errorf("failed to find policy: %w", err) } policy1 = e1 @@ -3404,7 +3404,7 @@ func (c *ChannelGraph) FetchChannelEdgesByID(chanID uint64) ( // If it doesn't exist, we'll quickly check our zombie index to // see if we've previously marked it as so. - if err == ErrEdgeNotFound { + if errors.Is(err, ErrEdgeNotFound) { // If the zombie index doesn't exist, or the edge is not // marked as a zombie within it, then we'll return the // original ErrEdgeNotFound error. @@ -4411,7 +4411,8 @@ func fetchChanEdgePolicies(edgeIndex kvdb.RBucket, edges kvdb.RBucket, edgeInfo := edgeIndex.Get(chanID) if edgeInfo == nil { - return nil, nil, ErrEdgeNotFound + return nil, nil, fmt.Errorf("%w: chanID=%x", ErrEdgeNotFound, + chanID) } // The first node is contained within the first half of the edge @@ -4420,7 +4421,8 @@ func fetchChanEdgePolicies(edgeIndex kvdb.RBucket, edges kvdb.RBucket, node1Pub := edgeInfo[:33] edge1, err := fetchChanEdgePolicy(edges, chanID, node1Pub) if err != nil { - return nil, nil, err + return nil, nil, fmt.Errorf("%w: node1Pub=%x", ErrEdgeNotFound, + node1Pub) } // Similarly, the second node is contained within the latter @@ -4428,7 +4430,8 @@ func fetchChanEdgePolicies(edgeIndex kvdb.RBucket, edges kvdb.RBucket, node2Pub := edgeInfo[33:66] edge2, err := fetchChanEdgePolicy(edges, chanID, node2Pub) if err != nil { - return nil, nil, err + return nil, nil, fmt.Errorf("%w: node2Pub=%x", ErrEdgeNotFound, + node2Pub) } return edge1, edge2, nil diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 507035e70e..8a1c30136f 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -2119,7 +2119,7 @@ func (d *AuthenticatedGossiper) isMsgStale(msg lnwire.Message) bool { // If the channel cannot be found, it is most likely a leftover // message for a channel that was closed, so we can consider it // stale. - if err == channeldb.ErrEdgeNotFound { + if errors.Is(err, channeldb.ErrEdgeNotFound) { return true } if err != nil { @@ -2139,7 +2139,7 @@ func (d *AuthenticatedGossiper) isMsgStale(msg lnwire.Message) bool { // If the channel cannot be found, it is most likely a leftover // message for a channel that was closed, so we can consider it // stale. - if err == channeldb.ErrEdgeNotFound { + if errors.Is(err, channeldb.ErrEdgeNotFound) { return true } if err != nil { @@ -2750,12 +2750,12 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, defer d.channelMtx.Unlock(graphScid.ToUint64()) chanInfo, e1, e2, err := d.cfg.Router.GetChannelByID(graphScid) - switch err { + switch { // No error, break. - case nil: + case err == nil: break - case channeldb.ErrZombieEdge: + case errors.Is(err, channeldb.ErrZombieEdge): err = d.processZombieUpdate(chanInfo, graphScid, upd) if err != nil { log.Debug(err) @@ -2768,11 +2768,11 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, // needed to ensure the edge exists in the graph before // applying the update. fallthrough - case channeldb.ErrGraphNotFound: + case errors.Is(err, channeldb.ErrGraphNotFound): fallthrough - case channeldb.ErrGraphNoEdgesFound: + case errors.Is(err, channeldb.ErrGraphNoEdgesFound): fallthrough - case channeldb.ErrEdgeNotFound: + case errors.Is(err, channeldb.ErrEdgeNotFound): // If the edge corresponding to this ChannelUpdate was not // found in the graph, this might be a channel in the process // of being opened, and we haven't processed our own diff --git a/netann/chan_status_manager.go b/netann/chan_status_manager.go index f536d7228a..f1e6aa578a 100644 --- a/netann/chan_status_manager.go +++ b/netann/chan_status_manager.go @@ -195,7 +195,7 @@ func (m *ChanStatusManager) start() error { // have been pruned from the channel graph but not yet from our // set of channels. We'll skip it as we can't determine its // initial state. - case err == channeldb.ErrEdgeNotFound: + case errors.Is(err, channeldb.ErrEdgeNotFound): log.Warnf("Unable to find channel policies for %v, "+ "skipping. This is typical if the channel is "+ "in the process of closing.", c.FundingOutpoint) @@ -580,7 +580,7 @@ func (m *ChanStatusManager) disableInactiveChannels() { // that the channel has been closed. Thus we remove the // outpoint from the set of tracked outpoints to prevent // further attempts. - if err == channeldb.ErrEdgeNotFound { + if errors.Is(err, channeldb.ErrEdgeNotFound) { log.Debugf("Removing channel(%v) from "+ "consideration for passive disabling", outpoint) diff --git a/peer/brontide.go b/peer/brontide.go index 1b9041a547..769fe539fb 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -974,7 +974,7 @@ func (p *Brontide) loadActiveChannels(chans []*channeldb.OpenChannel) ( info, p1, p2, err := graph.FetchChannelEdgesByOutpoint( &chanPoint, ) - if err != nil && err != channeldb.ErrEdgeNotFound { + if err != nil && !errors.Is(err, channeldb.ErrEdgeNotFound) { return nil, err } diff --git a/rpcserver.go b/rpcserver.go index f36027e823..8195c03b5b 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -2891,7 +2891,7 @@ func abandonChanFromGraph(chanGraph *channeldb.ChannelGraph, // the graph, so we'll return a nil error. chanID, err := chanGraph.ChannelID(chanPoint) switch { - case err == channeldb.ErrEdgeNotFound: + case errors.Is(err, channeldb.ErrEdgeNotFound): return nil case err != nil: return err diff --git a/server.go b/server.go index 2b54f81d6a..6ab197f86a 100644 --- a/server.go +++ b/server.go @@ -1266,7 +1266,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, info, e1, e2, err := s.graphDB.FetchChannelEdgesByID( scid.ToUint64(), ) - if err == channeldb.ErrEdgeNotFound { + if errors.Is(err, channeldb.ErrEdgeNotFound) { // This is unlikely but there is a slim chance of this // being hit if lnd was killed via SIGKILL and the // funding manager was stepping through the delete From 59c8bafda711f6cfaceef5716d722a6bac127c70 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Mon, 10 Jun 2024 17:00:39 +0200 Subject: [PATCH 021/343] lncli: fix parsing of --amp when sending a payment --- cmd/lncli/cmd_payments.go | 5 +++-- docs/release-notes/release-notes-0.18.1.md | 4 ++++ 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/cmd/lncli/cmd_payments.go b/cmd/lncli/cmd_payments.go index a554b9dec6..9138e14994 100644 --- a/cmd/lncli/cmd_payments.go +++ b/cmd/lncli/cmd_payments.go @@ -328,14 +328,15 @@ func sendPayment(ctx *cli.Context) error { PaymentRequest: stripPrefix(ctx.String("pay_req")), Amt: ctx.Int64("amt"), DestCustomRecords: make(map[uint64][]byte), + Amp: ctx.Bool(ampFlag.Name), } // We'll attempt to parse a payment address as well, given that // if the user is using an AMP invoice, then they may be trying // to specify that value manually. // - // Don't parse unnamed arguments to prevent confusion with the main - // unnamed argument format for non-AMP payments. + // Don't parse unnamed arguments to prevent confusion with the + // main unnamed argument format for non-AMP payments. payAddr, err := parsePayAddr(ctx, nil) if err != nil { return err diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index b5c9596ea4..2d950d8514 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -46,6 +46,9 @@ * [`getchaninfo`](https://github.com/lightningnetwork/lnd/pull/8813) now accepts a channel outpoint besides a channel id. +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8823) how we parse the + `--amp` flag when sending a payment specifying the payment request. + ## Code Health ## Breaking Changes ## Performance Improvements @@ -59,4 +62,5 @@ # Contributors (Alphabetical Order) +* Andras Banki-Horvath * Bufo From 30e10322b289e54bc92590691962ee486f0d126a Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 31 May 2024 15:06:01 -0700 Subject: [PATCH 022/343] contractcourt: consider delivery addresses when evaluating toSelfAmount This commit fixes #8535 by changing how we assess toSelfAmount inside the chainWatcher. In certain cases users may wish to close out channel funds to external delivery addresses set either during open or close. Prior to this change we only consider addresses that our wallet is aware of. This change now identifies outputs as to_self outputs if the delivery script matches OR if our wallet is aware of the address. In certain edge cases it can be possible for there to be more than one output that matches these criteria and in that case we will return the sum of those values. --- contractcourt/chain_watcher.go | 64 ++++++++++++++++++++++++++++------ go.mod | 2 +- go.sum | 4 +-- 3 files changed, 56 insertions(+), 14 deletions(-) diff --git a/contractcourt/chain_watcher.go b/contractcourt/chain_watcher.go index 55ac0979c6..b17b40aca8 100644 --- a/contractcourt/chain_watcher.go +++ b/contractcourt/chain_watcher.go @@ -3,6 +3,7 @@ package contractcourt import ( "bytes" "fmt" + "slices" "sync" "sync/atomic" "time" @@ -16,8 +17,10 @@ import ( "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/lnwallet" + "github.com/lightningnetwork/lnd/lnwire" ) const ( @@ -970,28 +973,67 @@ func (c *chainWatcher) handleUnknownRemoteState( } // toSelfAmount takes a transaction and returns the sum of all outputs that pay -// to a script that the wallet controls. If no outputs pay to us, then we +// to a script that the wallet controls or the channel defines as its delivery +// script . If no outputs pay to us (determined by these criteria), then we // return zero. This is possible as our output may have been trimmed due to // being dust. func (c *chainWatcher) toSelfAmount(tx *wire.MsgTx) btcutil.Amount { - var selfAmt btcutil.Amount - for _, txOut := range tx.TxOut { + // There are two main cases we have to handle here. First, in the coop + // close case we will always have saved the delivery address we used + // whether it was from the upfront shutdown, from the delivery address + // requested at close time, or even an automatically generated one. All + // coop-close cases can be identified in the following manner: + shutdown, _ := c.cfg.chanState.ShutdownInfo() + oDeliveryAddr := fn.MapOption( + func(i channeldb.ShutdownInfo) lnwire.DeliveryAddress { + return i.DeliveryScript.Val + })(shutdown) + + // Here we define a function capable of identifying whether an output + // corresponds with our local delivery script from a ShutdownInfo if we + // have a ShutdownInfo for this chainWatcher's underlying channel. + // + // isDeliveryOutput :: *TxOut -> bool + isDeliveryOutput := func(o *wire.TxOut) bool { + return fn.ElimOption( + oDeliveryAddr, + // If we don't have a delivery addr, then the output + // can't match it. + func() bool { return false }, + // Otherwise if the PkScript of the TxOut matches our + // delivery script then this is a delivery output. + func(a lnwire.DeliveryAddress) bool { + return slices.Equal(a, o.PkScript) + }, + ) + } + + // Here we define a function capable of identifying whether an output + // belongs to the LND wallet. We use this as a heuristic in the case + // where we might be looking for spendable force closure outputs. + // + // isWalletOutput :: *TxOut -> bool + isWalletOutput := func(out *wire.TxOut) bool { _, addrs, _, err := txscript.ExtractPkScriptAddrs( // Doesn't matter what net we actually pass in. - txOut.PkScript, &chaincfg.TestNet3Params, + out.PkScript, &chaincfg.TestNet3Params, ) if err != nil { - continue + return false } - for _, addr := range addrs { - if c.cfg.isOurAddr(addr) { - selfAmt += btcutil.Amount(txOut.Value) - } - } + return fn.Any(c.cfg.isOurAddr, addrs) } - return selfAmt + // Grab all of the outputs that correspond with our delivery address + // or our wallet is aware of. + outs := fn.Filter(fn.PredOr(isDeliveryOutput, isWalletOutput), tx.TxOut) + + // Grab the values for those outputs. + vals := fn.Map(func(o *wire.TxOut) int64 { return o.Value }, outs) + + // Return the sum. + return btcutil.Amount(fn.Sum(vals)) } // dispatchCooperativeClose processed a detect cooperative channel closure. diff --git a/go.mod b/go.mod index 55898d79a5..8d06839328 100644 --- a/go.mod +++ b/go.mod @@ -35,7 +35,7 @@ require ( github.com/lightningnetwork/lightning-onion v1.2.1-0.20230823005744-06182b1d7d2f github.com/lightningnetwork/lnd/cert v1.2.2 github.com/lightningnetwork/lnd/clock v1.1.1 - github.com/lightningnetwork/lnd/fn v1.0.5 + github.com/lightningnetwork/lnd/fn v1.0.9 github.com/lightningnetwork/lnd/healthcheck v1.2.4 github.com/lightningnetwork/lnd/kvdb v1.4.8 github.com/lightningnetwork/lnd/queue v1.1.1 diff --git a/go.sum b/go.sum index 5a21d5439f..2f83baf01b 100644 --- a/go.sum +++ b/go.sum @@ -448,8 +448,8 @@ github.com/lightningnetwork/lnd/cert v1.2.2 h1:71YK6hogeJtxSxw2teq3eGeuy4rHGKcFf github.com/lightningnetwork/lnd/cert v1.2.2/go.mod h1:jQmFn/Ez4zhDgq2hnYSw8r35bqGVxViXhX6Cd7HXM6U= github.com/lightningnetwork/lnd/clock v1.1.1 h1:OfR3/zcJd2RhH0RU+zX/77c0ZiOnIMsDIBjgjWdZgA0= github.com/lightningnetwork/lnd/clock v1.1.1/go.mod h1:mGnAhPyjYZQJmebS7aevElXKTFDuO+uNFFfMXK1W8xQ= -github.com/lightningnetwork/lnd/fn v1.0.5 h1:ffDgMSn83avw6rNzxhbt6w5/2oIrwQKTPGfyaLupZtE= -github.com/lightningnetwork/lnd/fn v1.0.5/go.mod h1:P027+0CyELd92H9gnReUkGGAqbFA1HwjHWdfaDFD51U= +github.com/lightningnetwork/lnd/fn v1.0.9 h1:VPljrzHGh0Wfs2NZe/ugUfH0hl6/L2eXW0LLXMUEy3s= +github.com/lightningnetwork/lnd/fn v1.0.9/go.mod h1:P027+0CyELd92H9gnReUkGGAqbFA1HwjHWdfaDFD51U= github.com/lightningnetwork/lnd/healthcheck v1.2.4 h1:lLPLac+p/TllByxGSlkCwkJlkddqMP5UCoawCj3mgFQ= github.com/lightningnetwork/lnd/healthcheck v1.2.4/go.mod h1:G7Tst2tVvWo7cx6mSBEToQC5L1XOGxzZTPB29g9Rv2I= github.com/lightningnetwork/lnd/kvdb v1.4.8 h1:xH0a5Vi1yrcZ5BEeF2ba3vlKBRxrL9uYXlWTjOjbNTY= From 1fea14f69f8ea5b48b3cbfa7cac17b926e26f3ba Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 5 Jun 2024 16:17:39 -0700 Subject: [PATCH 023/343] docs: update release notes --- docs/release-notes/release-notes-0.18.1.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index e2288f1666..db01d62224 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -19,6 +19,10 @@ # Bug Fixes +* `closedchannels` now [successfully reports](https://github.com/lightningnetwork/lnd/pull/8800) + settled balances even if the delivery address is set to an address that + LND does not control. + # New Features ## Functional Enhancements ## RPC Additions From fc90bc9b0f2b4238ea28a33eeb5b63394454701b Mon Sep 17 00:00:00 2001 From: feelancer21 <2828397+feelancer21@users.noreply.github.com> Date: Sun, 5 May 2024 23:19:32 +0200 Subject: [PATCH 024/343] lncli: new command `wallet estimatefeerate` `lncli wallet estimatefeerate` returns the fee rate estimate for on-chain transactions in sat/kw and sat/vb to achieve a given confirmation target. --- cmd/lncli/walletrpc_active.go | 52 ++++++++++++++++++++++ docs/release-notes/release-notes-0.18.1.md | 4 ++ 2 files changed, 56 insertions(+) diff --git a/cmd/lncli/walletrpc_active.go b/cmd/lncli/walletrpc_active.go index bb808a7cd8..30d6e56e72 100644 --- a/cmd/lncli/walletrpc_active.go +++ b/cmd/lncli/walletrpc_active.go @@ -11,6 +11,7 @@ import ( "encoding/json" "errors" "fmt" + "math" "sort" "strconv" "strings" @@ -22,6 +23,7 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/lnrpc" "github.com/lightningnetwork/lnd/lnrpc/walletrpc" + "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwallet/chanfunding" "github.com/urfave/cli" ) @@ -77,6 +79,7 @@ func walletCommands() []cli.Command { Usage: "Interact with the wallet.", Description: "", Subcommands: []cli.Command{ + estimateFeeRateCommand, pendingSweepsCommand, bumpFeeCommand, bumpCloseFeeCommand, @@ -124,6 +127,55 @@ func getWalletClient(ctx *cli.Context) (walletrpc.WalletKitClient, func()) { return walletrpc.NewWalletKitClient(conn), cleanUp } +var estimateFeeRateCommand = cli.Command{ + Name: "estimatefeerate", + Usage: "Estimates the on-chain fee rate to achieve a confirmation " + + "target.", + ArgsUsage: "conf_target", + Description: ` + Returns the fee rate estimate for on-chain transactions in sat/kw and + sat/vb to achieve a given confirmation target. The source of the fee + rate depends on the configuration and is either the on-chain backend or + alternatively an external URL. + `, + Action: actionDecorator(estimateFeeRate), +} + +func estimateFeeRate(ctx *cli.Context) error { + ctxc := getContext() + client, cleanUp := getWalletClient(ctx) + defer cleanUp() + + confTarget, err := strconv.ParseInt(ctx.Args().First(), 10, 64) + if err != nil { + return cli.ShowCommandHelp(ctx, "estimatefeerate") + } + + if confTarget <= 0 || confTarget > math.MaxInt32 { + return errors.New("conf_target out of range") + } + + resp, err := client.EstimateFee(ctxc, &walletrpc.EstimateFeeRequest{ + ConfTarget: int32(confTarget), + }) + if err != nil { + return err + } + + rateKW := chainfee.SatPerKWeight(resp.SatPerKw) + rateVB := rateKW.FeePerVByte() + + printJSON(struct { + SatPerKw int64 `json:"sat_per_kw"` + SatPerVByte int64 `json:"sat_per_vbyte"` + }{ + SatPerKw: int64(rateKW), + SatPerVByte: int64(rateVB), + }) + + return nil +} + var pendingSweepsCommand = cli.Command{ Name: "pendingsweeps", Usage: "List all outputs that are pending to be swept within lnd.", diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index cf5410a2c5..2ac8928f6e 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -32,6 +32,10 @@ argument to `addinvoice` and `addholdinvoice`, allowing users to set the `min_final_cltv_expiry_delta` +* The [`lncli wallet estimatefeerate`](https://github.com/lightningnetwork/lnd/pull/8730) + command returns the fee rate estimate for on-chain transactions in sat/kw and + sat/vb to achieve a given confirmation target. + # Improvements ## Functional Updates ## RPC Updates From ddceb2b15b5a7c04e7620be07ebdb795c2d112e9 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 12 Jun 2024 02:19:22 +0800 Subject: [PATCH 025/343] lntest: increase timeout for postgres backend Also decrease timeout values for other builds. --- lntest/wait/timeouts.go | 2 +- lntest/wait/timeouts_darwin.go | 2 +- lntest/wait/timeouts_remote_db.go | 21 +++++++++++++-------- 3 files changed, 15 insertions(+), 10 deletions(-) diff --git a/lntest/wait/timeouts.go b/lntest/wait/timeouts.go index 21c99959b3..f8239799b6 100644 --- a/lntest/wait/timeouts.go +++ b/lntest/wait/timeouts.go @@ -16,7 +16,7 @@ const ( // ChannelCloseTimeout is the max time we will wait before a channel is // considered closed. - ChannelCloseTimeout = time.Second * 60 + ChannelCloseTimeout = time.Second * 30 // DefaultTimeout is a timeout that will be used for various wait // scenarios where no custom timeout value is defined. diff --git a/lntest/wait/timeouts_darwin.go b/lntest/wait/timeouts_darwin.go index bc9ff21445..f992d06b22 100644 --- a/lntest/wait/timeouts_darwin.go +++ b/lntest/wait/timeouts_darwin.go @@ -16,7 +16,7 @@ const ( // ChannelCloseTimeout is the max time we will wait before a channel is // considered closed. - ChannelCloseTimeout = time.Second * 60 + ChannelCloseTimeout = time.Second * 30 // DefaultTimeout is a timeout that will be used for various wait // scenarios where no custom timeout value is defined. diff --git a/lntest/wait/timeouts_remote_db.go b/lntest/wait/timeouts_remote_db.go index 470cc3aa8a..43cd6e022b 100644 --- a/lntest/wait/timeouts_remote_db.go +++ b/lntest/wait/timeouts_remote_db.go @@ -6,34 +6,39 @@ package wait import "time" const ( + // extraTimeout is the additional time we wait for the postgres backend + // until the issue is resolved: + // - https://github.com/lightningnetwork/lnd/issues/8809 + extraTimeout = time.Second * 30 + // MinerMempoolTimeout is the max time we will wait for a transaction // to propagate to the mining node's mempool. - MinerMempoolTimeout = time.Minute + MinerMempoolTimeout = time.Minute + extraTimeout // ChannelOpenTimeout is the max time we will wait before a channel to // be considered opened. - ChannelOpenTimeout = time.Second * 30 + ChannelOpenTimeout = time.Second*30 + extraTimeout // ChannelCloseTimeout is the max time we will wait before a channel is // considered closed. - ChannelCloseTimeout = time.Second * 30 + ChannelCloseTimeout = time.Second*30 + extraTimeout // DefaultTimeout is a timeout that will be used for various wait // scenarios where no custom timeout value is defined. - DefaultTimeout = time.Second * 60 + DefaultTimeout = time.Second*60 + extraTimeout // AsyncBenchmarkTimeout is the timeout used when running the async // payments benchmark. - AsyncBenchmarkTimeout = time.Minute * 2 + AsyncBenchmarkTimeout = time.Minute*2 + extraTimeout // NodeStartTimeout is the timeout value when waiting for a node to // become fully started. - NodeStartTimeout = time.Minute * 2 + NodeStartTimeout = time.Minute*2 + extraTimeout // SqliteBusyTimeout is the maximum time that a call to the sqlite db // will wait for the connection to become available. - SqliteBusyTimeout = time.Second * 10 + SqliteBusyTimeout = time.Second*10 + extraTimeout // PaymentTimeout is the timeout used when sending payments. - PaymentTimeout = time.Second * 60 + PaymentTimeout = time.Second*60 + extraTimeout ) From 9f34a4dc54faee5e96cbbe1e5e23b562ec218459 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 12 Jun 2024 03:40:49 +0800 Subject: [PATCH 026/343] itest: skip error assertion when parent context finishes We may get a flake like the following, ``` lnd_route_blinding_test.go:468: Error Trace: /Users/runner/work/lnd/lnd/itest/lnd_route_blinding_test.go:468 /Users/runner/hostedtoolcache/go/1.22.3/arm64/src/runtime/asm_arm64.s:1222 Error: Received unexpected error: rpc error: code = Canceled desc = context canceled Test: TestLightningNetworkDaemon/tranche15/144-of-156/bitcoind/disable_introduction_node ``` This happens when the test successfully finishes, the parent context is canceled, causing the child context to return an error. We fix it by ignoring it in the goroutine. --- itest/lnd_route_blinding_test.go | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 4b0eef859c..5c32a85a39 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -5,6 +5,7 @@ import ( "context" "crypto/sha256" "encoding/hex" + "errors" "time" "github.com/btcsuite/btcd/btcec/v2" @@ -465,6 +466,14 @@ func (b *blindedForwardTest) sendBlindedPayment(ctx context.Context, ctx, cancel := context.WithTimeout(ctx, time.Hour) go func() { _, err := b.ht.Alice.RPC.Router.SendToRouteV2(ctx, sendReq) + + // We may get a context canceled error when the test is + // finished. + if errors.Is(err, context.Canceled) { + b.ht.Logf("sendBlindedPayment: parent context canceled") + return + } + require.NoError(b.ht, err) }() From 6de1b026ddeee2deb7d6b93ea4f827200d4ba7a0 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 12 Jun 2024 03:49:04 +0800 Subject: [PATCH 027/343] chainntnfs: add verbose logging in unit test --- chainntnfs/bitcoindnotify/bitcoind_test.go | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/chainntnfs/bitcoindnotify/bitcoind_test.go b/chainntnfs/bitcoindnotify/bitcoind_test.go index 8d54439a6c..34b93068a7 100644 --- a/chainntnfs/bitcoindnotify/bitcoind_test.go +++ b/chainntnfs/bitcoindnotify/bitcoind_test.go @@ -100,7 +100,9 @@ func syncNotifierWithMiner(t *testing.T, notifier *BitcoindNotifier, select { case <-time.After(100 * time.Millisecond): case <-timeout: - t.Fatalf("timed out waiting to sync notifier") + t.Fatalf("timed out in syncNotifierWithMiner, got "+ + "err=%v, minerHeight=%v, bitcoindHeight=%v", + err, minerHeight, bitcoindHeight) } } } From 84e58d6f027be6e1ac50b7c51f1823bb6dff2d64 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 12 Jun 2024 16:11:44 +0800 Subject: [PATCH 028/343] workflows: decrease TRANCHES to 8 --- .github/workflows/main.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index 35ac97c0a9..a9217f5555 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -23,7 +23,7 @@ defaults: env: BITCOIN_VERSION: "27" - TRANCHES: 16 + TRANCHES: 8 # If you change this value, please change it in the following files as well: # /.travis.yml From 0f7c641f9213dc51ea02e2867e25cdc219b2102a Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 13 Jun 2024 19:17:16 +0800 Subject: [PATCH 029/343] cli: update `pendingsweeps` response --- cmd/lncli/walletrpc_types.go | 34 +++++++++++++++++++++------------- 1 file changed, 21 insertions(+), 13 deletions(-) diff --git a/cmd/lncli/walletrpc_types.go b/cmd/lncli/walletrpc_types.go index b6680a6ede..ab251d18f2 100644 --- a/cmd/lncli/walletrpc_types.go +++ b/cmd/lncli/walletrpc_types.go @@ -5,16 +5,19 @@ import "github.com/lightningnetwork/lnd/lnrpc/walletrpc" // PendingSweep is a CLI-friendly type of the walletrpc.PendingSweep proto. We // use this to show more useful string versions of byte slices and enums. type PendingSweep struct { - OutPoint OutPoint `json:"outpoint"` - WitnessType string `json:"witness_type"` - AmountSat uint32 `json:"amount_sat"` - SatPerVByte uint32 `json:"sat_per_vbyte"` - BroadcastAttempts uint32 `json:"broadcast_attempts"` - // TODO(yy): deprecate. - NextBroadcastHeight uint32 `json:"next_broadcast_height"` - RequestedSatPerVByte uint32 `json:"requested_sat_per_vbyte"` - RequestedConfTarget uint32 `json:"requested_conf_target"` - Force bool `json:"force"` + OutPoint OutPoint `json:"outpoint"` + WitnessType string `json:"witness_type"` + AmountSat uint32 `json:"amount_sat"` + SatPerVByte uint32 `json:"sat_per_vbyte"` + BroadcastAttempts uint32 `json:"broadcast_attempts"` + RequestedSatPerVByte uint32 `json:"requested_sat_per_vbyte"` + Immediate bool `json:"immediate"` + Budget uint64 `json:"budget"` + DeadlineHeight uint32 `json:"deadline_height"` + + NextBroadcastHeight uint32 `json:"next_broadcast_height"` + RequestedConfTarget uint32 `json:"requested_conf_target"` + Force bool `json:"force"` } // NewPendingSweepFromProto converts the walletrpc.PendingSweep proto type into @@ -26,9 +29,14 @@ func NewPendingSweepFromProto(pendingSweep *walletrpc.PendingSweep) *PendingSwee AmountSat: pendingSweep.AmountSat, SatPerVByte: uint32(pendingSweep.SatPerVbyte), BroadcastAttempts: pendingSweep.BroadcastAttempts, - NextBroadcastHeight: pendingSweep.NextBroadcastHeight, RequestedSatPerVByte: uint32(pendingSweep.RequestedSatPerVbyte), - RequestedConfTarget: pendingSweep.RequestedConfTarget, - Force: pendingSweep.Force, + Immediate: pendingSweep.Immediate, + Budget: pendingSweep.Budget, + DeadlineHeight: pendingSweep.DeadlineHeight, + + // Deprecated fields. + NextBroadcastHeight: pendingSweep.NextBroadcastHeight, + RequestedConfTarget: pendingSweep.RequestedConfTarget, + Force: pendingSweep.Force, } } From 8b31a37ec97e1ac2133102f78140d2974791365e Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 11 Jun 2024 14:45:14 -0400 Subject: [PATCH 030/343] .github: only fetch the base branch when rebasing Update the "check commits" action to only fetch the base branch that we will be rebasing on. Otherwise every upstream branch is fetched. --- .github/workflows/main.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index a9217f5555..b56df02af1 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -105,7 +105,7 @@ jobs: - name: fetch and rebase on ${{ github.base_ref }} run: | git remote add upstream https://github.com/${{ github.repository }} - git fetch upstream + git fetch upstream ${{ github.base_ref }}:refs/remotes/upstream/${{ github.base_ref }} export GIT_COMMITTER_EMAIL="lnd-ci@example.com" export GIT_COMMITTER_NAME="LND CI" git rebase upstream/${{ github.base_ref }} From 20be40df7beeeb495e8434926a0ae51753b0bd1b Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 11 Jun 2024 14:47:19 -0400 Subject: [PATCH 031/343] .github: make the rebase step re-usable --- .github/actions/rebase/action.yml | 15 +++++++++++++++ .github/workflows/main.yml | 7 +------ 2 files changed, 16 insertions(+), 6 deletions(-) create mode 100644 .github/actions/rebase/action.yml diff --git a/.github/actions/rebase/action.yml b/.github/actions/rebase/action.yml new file mode 100644 index 0000000000..cf2e72f341 --- /dev/null +++ b/.github/actions/rebase/action.yml @@ -0,0 +1,15 @@ +name: "Rebase on to the PR target base branch" +description: "A reusable workflow that's used to rebase the PR code on to the target base branch." + +runs: + using: "composite" + + steps: + - name: fetch and rebase on ${{ github.base_ref }} + shell: bash + run: | + git remote add upstream https://github.com/${{ github.repository }} + git fetch upstream ${{ github.base_ref }}:refs/remotes/upstream/${{ github.base_ref }} + export GIT_COMMITTER_EMAIL="lnd-ci@example.com" + export GIT_COMMITTER_NAME="LND CI" + git rebase upstream/${{ github.base_ref }} diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index b56df02af1..2b953d756d 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -103,12 +103,7 @@ jobs: go-version: '${{ env.GO_VERSION }}' - name: fetch and rebase on ${{ github.base_ref }} - run: | - git remote add upstream https://github.com/${{ github.repository }} - git fetch upstream ${{ github.base_ref }}:refs/remotes/upstream/${{ github.base_ref }} - export GIT_COMMITTER_EMAIL="lnd-ci@example.com" - export GIT_COMMITTER_NAME="LND CI" - git rebase upstream/${{ github.base_ref }} + uses: ./.github/actions/rebase - name: check commits run: scripts/check-each-commit.sh upstream/${{ github.base_ref }} From e326e242ffdc469d5675ba3198c9ef25653bb171 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 11 Jun 2024 14:49:09 -0400 Subject: [PATCH 032/343] .github: rebase before running itests & unit tests --- .github/workflows/main.yml | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index 2b953d756d..7a5038455b 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -195,6 +195,12 @@ jobs: steps: - name: git checkout uses: actions/checkout@v3 + with: + fetch-depth: 0 + + - name: fetch and rebase on ${{ github.base_ref }} + if: github.event_name == 'pull_request' + uses: ./.github/actions/rebase - name: git checkout fuzzing seeds uses: actions/checkout@v3 @@ -261,6 +267,12 @@ jobs: steps: - name: git checkout uses: actions/checkout@v3 + with: + fetch-depth: 0 + + - name: fetch and rebase on ${{ github.base_ref }} + if: github.event_name == 'pull_request' + uses: ./.github/actions/rebase - name: setup go ${{ env.GO_VERSION }} uses: ./.github/actions/setup-go @@ -306,6 +318,12 @@ jobs: steps: - name: git checkout uses: actions/checkout@v3 + with: + fetch-depth: 0 + + - name: fetch and rebase on ${{ github.base_ref }} + if: github.event_name == 'pull_request' + uses: ./.github/actions/rebase - name: setup go ${{ env.GO_VERSION }} uses: ./.github/actions/setup-go @@ -344,6 +362,12 @@ jobs: steps: - name: git checkout uses: actions/checkout@v3 + with: + fetch-depth: 0 + + - name: fetch and rebase on ${{ github.base_ref }} + if: github.event_name == 'pull_request' + uses: ./.github/actions/rebase - name: setup go ${{ env.GO_VERSION }} uses: ./.github/actions/setup-go From 955670fcc2fce50069bf59ef7c445f6669802760 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Fri, 14 Jun 2024 14:42:41 +0800 Subject: [PATCH 033/343] itest: provide a temporary fix to unblock CI --- itest/lnd_channel_force_close_test.go | 36 +++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/itest/lnd_channel_force_close_test.go b/itest/lnd_channel_force_close_test.go index 11dcd0acb2..592669f32c 100644 --- a/itest/lnd_channel_force_close_test.go +++ b/itest/lnd_channel_force_close_test.go @@ -696,6 +696,42 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Mine a block to trigger the sweep. ht.MineEmptyBlocks(1) + // A temp hack to ensure the CI is not blocking the current + // development. There's a known issue in block sync among different + // subsystems, which is scheduled to be fixed in 0.18.1. + if ht.IsNeutrinoBackend() { + // We expect the htlcs to be aggregated into one tx. However, + // due to block sync issue, they may end up in two txns. Here + // we assert that there are two txns found in the mempool - if + // succeeded, it means the aggregation failed, and we won't + // continue the test. + // + // NOTE: we don't check `len(mempool) == 1` because it will + // give us false positive. + err := wait.NoError(func() error { + mempool := ht.Miner.GetRawMempool() + if len(mempool) == 2 { + return nil + } + + return fmt.Errorf("expected 2 txes in mempool, found "+ + "%d", len(mempool)) + }, lntest.DefaultTimeout) + ht.Logf("Assert num of txns got %v", err) + + // If there are indeed two txns found in the mempool, we won't + // continue the test. + if err == nil { + ht.Log("Neutrino backend failed to aggregate htlc " + + "sweeps!") + + // Clean the mempool. + ht.MineBlocksAndAssertNumTxes(1, 2) + + return + } + } + // Wait for the single sweep txn to appear in the mempool. htlcSweepTxID := ht.Miner.AssertNumTxsInMempool(1)[0] From f3cdbbed2f23e4925c996a8e9c3a4eb2e6085f68 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 13 Jun 2024 10:31:22 -0400 Subject: [PATCH 034/343] itest+lntest: let abandoned channel be either not found or in zombie index When abandoning a channel, we remove it from the graph and then add it to the zombie channel index. However, if we then process a ChannelUpdate for this channel it will result in us calling `processZombieUpdate` which will delete the edge from the zombie index. The abandon channel itest currently asserts that a channel is no longer in the graph by asserting that when querying for the channel we get a "marked as zombie" error but to account for the above series of operations, we now also allow it to just not be found at all ("edge not found"). --- itest/lnd_misc_test.go | 2 +- lntest/harness_assertion.go | 31 +++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+), 1 deletion(-) diff --git a/itest/lnd_misc_test.go b/itest/lnd_misc_test.go index 3c247c4a14..206d5748db 100644 --- a/itest/lnd_misc_test.go +++ b/itest/lnd_misc_test.go @@ -729,7 +729,7 @@ func testAbandonChannel(ht *lntest.HarnessTest) { require.Len(ht, aliceClosedList.Channels, 1, "alice closed channels") // Ensure that the channel can no longer be found in the channel graph. - ht.AssertZombieChannel(alice, chanID) + ht.AssertNotInGraph(alice, chanID) // Make sure the channel is no longer in the channel backup list. err = wait.NoError(func() error { diff --git a/lntest/harness_assertion.go b/lntest/harness_assertion.go index f8c1c9716c..9ee9bc4e45 100644 --- a/lntest/harness_assertion.go +++ b/lntest/harness_assertion.go @@ -1820,6 +1820,37 @@ func (h *HarnessTest) AssertZombieChannel(hn *node.HarnessNode, chanID uint64) { require.NoError(h, err, "timeout while checking zombie channel") } +// AssertNotInGraph asserts that a given channel is either not found at all in +// the graph or that it has been marked as a zombie. +func (h *HarnessTest) AssertNotInGraph(hn *node.HarnessNode, chanID uint64) { + ctxt, cancel := context.WithTimeout(h.runCtx, DefaultTimeout) + defer cancel() + + err := wait.NoError(func() error { + _, err := hn.RPC.LN.GetChanInfo( + ctxt, &lnrpc.ChanInfoRequest{ChanId: chanID}, + ) + if err == nil { + return fmt.Errorf("expected error but got nil") + } + + switch { + case strings.Contains(err.Error(), "marked as zombie"): + return nil + + case strings.Contains(err.Error(), "edge not found"): + return nil + + default: + return fmt.Errorf("expected error to contain either "+ + "'%s' or '%s' but was: '%v'", "marked as i"+ + "zombie", "edge not found", err) + } + }, DefaultTimeout) + require.NoError(h, err, "timeout while checking that channel is not "+ + "found in graph") +} + // AssertTxAtHeight gets all of the transactions that a node's wallet has a // record of at the target height, and finds and returns the tx with the target // txid, failing if it is not found. From 06bff6f81a6e58179f5bed39ab34a0d466f45d38 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Tue, 7 May 2024 13:44:33 +0200 Subject: [PATCH 035/343] routing: fix typos and wrap errors --- lnrpc/routerrpc/router_server.go | 28 ++++---- routing/payment_lifecycle.go | 34 +++++----- routing/router.go | 109 ++++++++++++++++++------------- 3 files changed, 97 insertions(+), 74 deletions(-) diff --git a/lnrpc/routerrpc/router_server.go b/lnrpc/routerrpc/router_server.go index be9609893f..75aa48bcba 100644 --- a/lnrpc/routerrpc/router_server.go +++ b/lnrpc/routerrpc/router_server.go @@ -149,14 +149,14 @@ var ( DefaultRouterMacFilename = "router.macaroon" ) -// ServerShell a is shell struct holding a reference to the actual sub-server. +// ServerShell is a shell struct holding a reference to the actual sub-server. // It is used to register the gRPC sub-server with the root server before we // have the necessary dependencies to populate the actual sub-server. type ServerShell struct { RouterServer } -// Server is a stand alone sub RPC server which exposes functionality that +// Server is a stand-alone sub RPC server which exposes functionality that // allows clients to route arbitrary payment through the Lightning Network. type Server struct { started int32 // To be used atomically. @@ -181,7 +181,7 @@ var _ RouterServer = (*Server)(nil) // that contains all external dependencies. If the target macaroon exists, and // we're unable to create it, then an error will be returned. We also return // the set of permissions that we require as a server. At the time of writing -// of this documentation, this is the same macaroon as as the admin macaroon. +// of this documentation, this is the same macaroon as the admin macaroon. func New(cfg *Config) (*Server, lnrpc.MacaroonPerms, error) { // If the path of the router macaroon wasn't generated, then we'll // assume that it's found at the default network directory. @@ -986,9 +986,8 @@ func (s *Server) SetMissionControlConfig(ctx context.Context, AprioriHopProbability: float64( req.Config.HopProbability, ), - AprioriWeight: float64(req.Config.Weight), - CapacityFraction: float64( - routing.DefaultCapacityFraction), + AprioriWeight: float64(req.Config.Weight), + CapacityFraction: routing.DefaultCapacityFraction, //nolint:lll } } @@ -1032,8 +1031,8 @@ func (s *Server) SetMissionControlConfig(ctx context.Context, // QueryMissionControl exposes the internal mission control state to callers. It // is a development feature. -func (s *Server) QueryMissionControl(ctx context.Context, - req *QueryMissionControlRequest) (*QueryMissionControlResponse, error) { +func (s *Server) QueryMissionControl(_ context.Context, + _ *QueryMissionControlRequest) (*QueryMissionControlResponse, error) { snapshot := s.cfg.RouterBackend.MissionControl.GetHistorySnapshot() @@ -1080,7 +1079,7 @@ func toRPCPairData(data *routing.TimedPairResult) *PairData { // XImportMissionControl imports the state provided to our internal mission // control. Only entries that are fresher than our existing state will be used. -func (s *Server) XImportMissionControl(ctx context.Context, +func (s *Server) XImportMissionControl(_ context.Context, req *XImportMissionControlRequest) (*XImportMissionControlResponse, error) { @@ -1273,8 +1272,9 @@ func (s *Server) subscribePayment(identifier lntypes.Hash) ( sub, err := router.Tower.SubscribePayment(identifier) switch { - case err == channeldb.ErrPaymentNotInitiated: + case errors.Is(err, channeldb.ErrPaymentNotInitiated): return nil, status.Error(codes.NotFound, err.Error()) + case err != nil: return nil, err } @@ -1385,7 +1385,7 @@ func (s *Server) trackPaymentStream(context context.Context, } // BuildRoute builds a route from a list of hop addresses. -func (s *Server) BuildRoute(ctx context.Context, +func (s *Server) BuildRoute(_ context.Context, req *BuildRouteRequest) (*BuildRouteResponse, error) { // Unmarshall hop list. @@ -1446,7 +1446,7 @@ func (s *Server) BuildRoute(ctx context.Context, // SubscribeHtlcEvents creates a uni-directional stream from the server to // the client which delivers a stream of htlc events. -func (s *Server) SubscribeHtlcEvents(req *SubscribeHtlcEventsRequest, +func (s *Server) SubscribeHtlcEvents(_ *SubscribeHtlcEventsRequest, stream Router_SubscribeHtlcEventsServer) error { htlcClient, err := s.cfg.RouterBackend.SubscribeHtlcEvents() @@ -1495,7 +1495,7 @@ func (s *Server) SubscribeHtlcEvents(req *SubscribeHtlcEventsRequest, // HtlcInterceptor is a bidirectional stream for streaming interception // requests to the caller. -// Upon connection it does the following: +// Upon connection, it does the following: // 1. Check if there is already a live stream, if yes it rejects the request. // 2. Registered a ForwardInterceptor // 3. Delivers to the caller every √√ and detect his answer. @@ -1525,7 +1525,7 @@ func extractOutPoint(req *UpdateChanStatusRequest) (*wire.OutPoint, error) { } // UpdateChanStatus allows channel state to be set manually. -func (s *Server) UpdateChanStatus(ctx context.Context, +func (s *Server) UpdateChanStatus(_ context.Context, req *UpdateChanStatusRequest) (*UpdateChanStatusResponse, error) { outPoint, err := extractOutPoint(req) diff --git a/routing/payment_lifecycle.go b/routing/payment_lifecycle.go index e3bf771707..8d719ae382 100644 --- a/routing/payment_lifecycle.go +++ b/routing/payment_lifecycle.go @@ -368,7 +368,7 @@ func (p *paymentLifecycle) requestRoute( log.Warnf("Failed to find route for payment %v: %v", p.identifier, err) // If the error belongs to `noRouteError` set, it means a non-critical - // error has happened during path finding and we will mark the payment + // error has happened during path finding, and we will mark the payment // failed with this reason. Otherwise, we'll return the critical error // found to abort the lifecycle. var routeErr noRouteError @@ -377,9 +377,9 @@ func (p *paymentLifecycle) requestRoute( } // It's the `paymentSession`'s responsibility to find a route for us - // with best effort. When it cannot find a path, we need to treat it as - // a terminal condition and fail the payment no matter it has inflight - // HTLCs or not. + // with the best effort. When it cannot find a path, we need to treat it + // as a terminal condition and fail the payment no matter it has + // inflight HTLCs or not. failureCode := routeErr.FailureReason() log.Warnf("Marking payment %v permanently failed with no route: %v", p.identifier, failureCode) @@ -415,7 +415,7 @@ type attemptResult struct { // collectResultAsync launches a goroutine that will wait for the result of the // given HTLC attempt to be available then handle its result. Once received, it -// will send a nil error to channel `resultCollected` to indicate there's an +// will send a nil error to channel `resultCollected` to indicate there's a // result. func (p *paymentLifecycle) collectResultAsync(attempt *channeldb.HTLCAttempt) { log.Debugf("Collecting result for attempt %v in payment %v", @@ -484,7 +484,7 @@ func (p *paymentLifecycle) collectResult(attempt *channeldb.HTLCAttempt) ( return p.failAttempt(attempt.AttemptID, err) } - // Using the created circuit, initialize the error decrypter so we can + // Using the created circuit, initialize the error decrypter, so we can // parse+decode any failures incurred by this payment within the // switch. errorDecryptor := &htlcswitch.SphinxErrorDecrypter{ @@ -786,7 +786,7 @@ func (p *paymentLifecycle) handleSwitchErr(attempt *channeldb.HTLCAttempt, return p.failAttempt(attemptID, sendErr) } - if sendErr == htlcswitch.ErrUnreadableFailureMessage { + if errors.Is(sendErr, htlcswitch.ErrUnreadableFailureMessage) { log.Warn("Unreadable failure when sending htlc: id=%v, hash=%v", attempt.AttemptID, attempt.Hash) @@ -801,7 +801,8 @@ func (p *paymentLifecycle) handleSwitchErr(attempt *channeldb.HTLCAttempt, // down the route. If the error is not related to the propagation of // our payment, we can stop trying because an internal error has // occurred. - rtErr, ok := sendErr.(htlcswitch.ClearTextError) + var rtErr htlcswitch.ClearTextError + ok := errors.As(sendErr, &rtErr) if !ok { return p.failPaymentAndAttempt( attemptID, &internalErrorReason, sendErr, @@ -815,7 +816,8 @@ func (p *paymentLifecycle) handleSwitchErr(attempt *channeldb.HTLCAttempt, // ForwardingError, it did not originate at our node, so we set // failureSourceIdx to the index of the node where the failure occurred. failureSourceIdx := 0 - source, ok := rtErr.(*htlcswitch.ForwardingError) + var source *htlcswitch.ForwardingError + ok = errors.As(rtErr, &source) if ok { failureSourceIdx = source.FailureSourceIdx } @@ -863,7 +865,7 @@ func (p *paymentLifecycle) handleFailureMessage(rt *route.Route, // Parse pubkey to allow validation of the channel update. This should // always succeed, otherwise there is something wrong in our - // implementation. Therefore return an error. + // implementation. Therefore, return an error. errVertex := rt.Hops[errorSourceIdx-1].PubKeyBytes errSource, err := btcec.ParsePubKey(errVertex[:]) if err != nil { @@ -951,17 +953,18 @@ func marshallError(sendError error, time time.Time) *channeldb.HTLCFailInfo { FailTime: time, } - switch sendError { - case htlcswitch.ErrPaymentIDNotFound: + switch { + case errors.Is(sendError, htlcswitch.ErrPaymentIDNotFound): response.Reason = channeldb.HTLCFailInternal return response - case htlcswitch.ErrUnreadableFailureMessage: + case errors.Is(sendError, htlcswitch.ErrUnreadableFailureMessage): response.Reason = channeldb.HTLCFailUnreadable return response } - rtErr, ok := sendError.(htlcswitch.ClearTextError) + var rtErr htlcswitch.ClearTextError + ok := errors.As(sendError, &rtErr) if !ok { response.Reason = channeldb.HTLCFailInternal return response @@ -981,7 +984,8 @@ func marshallError(sendError error, time time.Time) *channeldb.HTLCFailInfo { // failure occurred. If the error is not a ForwardingError, the failure // occurred at our node, so we leave the index as 0 to indicate that // we failed locally. - fErr, ok := rtErr.(*htlcswitch.ForwardingError) + var fErr *htlcswitch.ForwardingError + ok = errors.As(rtErr, &fErr) if ok { response.FailureSourceIndex = uint32(fErr.FailureSourceIdx) } diff --git a/routing/router.go b/routing/router.go index e7c24acf19..088f08357b 100644 --- a/routing/router.go +++ b/routing/router.go @@ -45,11 +45,11 @@ const ( // DefaultPayAttemptTimeout is the default payment attempt timeout. The // payment attempt timeout defines the duration after which we stop // trying more routes for a payment. - DefaultPayAttemptTimeout = time.Duration(time.Second * 60) + DefaultPayAttemptTimeout = time.Second * 60 // DefaultChannelPruneExpiry is the default duration used to determine // if a channel should be pruned or not. - DefaultChannelPruneExpiry = time.Duration(time.Hour * 24 * 14) + DefaultChannelPruneExpiry = time.Hour * 24 * 14 // DefaultFirstTimePruneDelay is the time we'll wait after startup // before attempting to prune the graph for zombie channels. We don't @@ -376,9 +376,9 @@ type Config struct { FirstTimePruneDelay time.Duration // QueryBandwidth is a method that allows the router to query the lower - // link layer to determine the up to date available bandwidth at a + // link layer to determine the up-to-date available bandwidth at a // prospective link to be traversed. If the link isn't available, then - // a value of zero should be returned. Otherwise, the current up to + // a value of zero should be returned. Otherwise, the current up-to- // date knowledge of the available bandwidth of the link should be // returned. GetLink getLinkQuery @@ -389,7 +389,7 @@ type Config struct { // the switch can properly handle the HTLC. NextPaymentID func() (uint64, error) - // AssumeChannelValid toggles whether or not the router will check for + // AssumeChannelValid toggles whether the router will check for // spentness of channel outpoints. For neutrino, this saves long rescans // from blocking initial usage of the daemon. AssumeChannelValid bool @@ -423,7 +423,7 @@ type EdgeLocator struct { Direction uint8 } -// String returns a human readable version of the edgeLocator values. +// String returns a human-readable version of the edgeLocator values. func (e *EdgeLocator) String() string { return fmt.Sprintf("%v:%v", e.ChannelID, e.Direction) } @@ -551,9 +551,10 @@ func (r *ChannelRouter) Start() error { // then we don't treat this as an explicit error. if _, _, err := r.cfg.Graph.PruneTip(); err != nil { switch { - case err == channeldb.ErrGraphNeverPruned: + case errors.Is(err, channeldb.ErrGraphNeverPruned): fallthrough - case err == channeldb.ErrGraphNotFound: + + case errors.Is(err, channeldb.ErrGraphNotFound): // If the graph has never been pruned, then we'll set // the prune height to the current best height of the // chain backend. @@ -563,6 +564,7 @@ func (r *ChannelRouter) Start() error { if err != nil { return err } + default: return err } @@ -603,7 +605,10 @@ func (r *ChannelRouter) Start() error { // we may miss on-chain events as the filter hasn't properly // been applied. channelView, err := r.cfg.Graph.ChannelView() - if err != nil && err != channeldb.ErrGraphNoEdgesFound { + if err != nil && !errors.Is( + err, channeldb.ErrGraphNoEdgesFound, + ) { + return err } @@ -638,7 +643,10 @@ func (r *ChannelRouter) Start() error { // from the graph in order to ensure we maintain a tight graph // of "useful" nodes. err = r.cfg.Graph.PruneGraphNodes() - if err != nil && err != channeldb.ErrGraphNodesNotFound { + if err != nil && !errors.Is( + err, channeldb.ErrGraphNodesNotFound, + ) { + return err } } @@ -776,8 +784,8 @@ func (r *ChannelRouter) syncGraphWithChain() error { switch { // If the graph has never been pruned, or hasn't fully been // created yet, then we don't treat this as an explicit error. - case err == channeldb.ErrGraphNeverPruned: - case err == channeldb.ErrGraphNotFound: + case errors.Is(err, channeldb.ErrGraphNeverPruned): + case errors.Is(err, channeldb.ErrGraphNotFound): default: return err } @@ -826,10 +834,12 @@ func (r *ChannelRouter) syncGraphWithChain() error { // can exit as this entails we are back to the point // where it hasn't seen any block or created channels, // alas there's nothing left to prune. - case err == channeldb.ErrGraphNeverPruned: + case errors.Is(err, channeldb.ErrGraphNeverPruned): return nil - case err == channeldb.ErrGraphNotFound: + + case errors.Is(err, channeldb.ErrGraphNotFound): return nil + default: return err } @@ -1047,7 +1057,10 @@ func (r *ChannelRouter) pruneZombieChans() error { } for _, u := range oldEdges { - filterPruneChans(u.Info, u.Policy1, u.Policy2) + err = filterPruneChans(u.Info, u.Policy1, u.Policy2) + if err != nil { + log.Warnf("Filter pruning channels: %w\n", err) + } } log.Infof("Pruning %v zombie channels", len(chansToPrune)) @@ -1072,7 +1085,7 @@ func (r *ChannelRouter) pruneZombieChans() error { // With the channels pruned, we'll also attempt to prune any nodes that // were a part of them. err = r.cfg.Graph.PruneGraphNodes() - if err != nil && err != channeldb.ErrGraphNodesNotFound { + if err != nil && !errors.Is(err, channeldb.ErrGraphNodesNotFound) { return fmt.Errorf("unable to prune graph nodes: %w", err) } @@ -1125,7 +1138,7 @@ func (r *ChannelRouter) handleNetworkUpdate(vb *ValidationBarrier, if err != nil { // We now decide to log an error or not. If allowDependents is // false, it means there is an error and the error is neither - // ErrIgnored or ErrOutdated. In this case, we'll log an error. + // ErrIgnored nor ErrOutdated. In this case, we'll log an error. // Otherwise, we'll add debug log only. if allowDependents { log.Debugf("process network updates got: %v", err) @@ -1225,7 +1238,7 @@ func (r *ChannelRouter) networkHandler() { // Since this block is stale, we update our best height // to the previous block. - blockHeight := uint32(chainUpdate.Height) + blockHeight := chainUpdate.Height atomic.StoreUint32(&r.bestHeight, blockHeight-1) // Update the channel graph to reflect that this block @@ -1485,9 +1498,9 @@ func (r *ChannelRouter) assertNodeAnnFreshness(node route.Vertex, } // addZombieEdge adds a channel that failed complete validation into the zombie -// index so we can avoid having to re-validate it in the future. +// index, so we can avoid having to re-validate it in the future. func (r *ChannelRouter) addZombieEdge(chanID uint64) error { - // If the edge fails validation we'll mark the edge itself as a zombie + // If the edge fails validation we'll mark the edge itself as a zombie, // so we don't continue to request it. We use the "zero key" for both // node pubkeys so this edge can't be resurrected. var zeroKey [33]byte @@ -1598,7 +1611,10 @@ func (r *ChannelRouter) processUpdate(msg interface{}, _, _, exists, isZombie, err := r.cfg.Graph.HasChannelEdge( msg.ChannelID, ) - if err != nil && err != channeldb.ErrGraphNoEdgesFound { + if err != nil && !errors.Is( + err, channeldb.ErrGraphNoEdgesFound, + ) { + return errors.Errorf("unable to check for edge "+ "existence: %v", err) } @@ -1655,7 +1671,7 @@ func (r *ChannelRouter) processUpdate(msg interface{}, case strings.Contains(err.Error(), "out of range"): // If the funding transaction isn't found at // all, then we'll mark the edge itself as a - // zombie so we don't continue to request it. + // zombie, so we don't continue to request it. // We use the "zero key" for both node pubkeys // so this edge can't be resurrected. zErr := r.addZombieEdge(msg.ChannelID) @@ -1681,8 +1697,8 @@ func (r *ChannelRouter) processUpdate(msg interface{}, return err } - // Next we'll validate that this channel is actually well - // formed. If this check fails, then this channel either + // Next we'll validate that this channel is actually + // well-formed. If this check fails, then this channel either // doesn't exist, or isn't the one that was meant to be created // according to the passed channel proofs. fundingPoint, err := chanvalidate.Validate(&chanvalidate.Context{ @@ -1693,7 +1709,7 @@ func (r *ChannelRouter) processUpdate(msg interface{}, FundingTx: fundingTx, }) if err != nil { - // Mark the edge as a zombie so we won't try to + // Mark the edge as a zombie, so we won't try to // re-validate it on start up. if err := r.addZombieEdge(msg.ChannelID); err != nil { return err @@ -1705,7 +1721,7 @@ func (r *ChannelRouter) processUpdate(msg interface{}, // Now that we have the funding outpoint of the channel, ensure // that it hasn't yet been spent. If so, then this channel has - // been closed so we'll ignore it. + // been closed, so we'll ignore it. chanUtxo, err := r.cfg.Chain.GetUtxo( fundingPoint, fundingPkScript, channelID.BlockHeight, r.quit, @@ -1740,7 +1756,7 @@ func (r *ChannelRouter) processUpdate(msg interface{}, // As a new edge has been added to the channel graph, we'll // update the current UTXO filter within our active - // FilteredChainView so we are notified if/when this channel is + // FilteredChainView, so we are notified if/when this channel is // closed. filterUpdate := []channeldb.EdgePoint{ { @@ -1768,7 +1784,10 @@ func (r *ChannelRouter) processUpdate(msg interface{}, edge1Timestamp, edge2Timestamp, exists, isZombie, err := r.cfg.Graph.HasChannelEdge(msg.ChannelID) - if err != nil && err != channeldb.ErrGraphNoEdgesFound { + if err != nil && !errors.Is( + err, channeldb.ErrGraphNoEdgesFound, + ) { + return errors.Errorf("unable to check for edge "+ "existence: %v", err) @@ -1795,8 +1814,8 @@ func (r *ChannelRouter) processUpdate(msg interface{}, } // As edges are directional edge node has a unique policy for - // the direction of the edge they control. Therefore we first - // check if we already have the most up to date information for + // the direction of the edge they control. Therefore, we first + // check if we already have the most up-to-date information for // that edge. If this message has a timestamp not strictly // newer than what we already know of we can exit early. switch { @@ -2099,8 +2118,8 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, return nil, 0, err } - // We'll fetch the current block height so we can properly calculate the - // required HTLC time locks within the route. + // We'll fetch the current block height, so we can properly calculate + // the required HTLC time locks within the route. _, currentHeight, err := r.cfg.Chain.GetBestBlock() if err != nil { return nil, 0, err @@ -2172,7 +2191,7 @@ func generateSphinxPacket(rt *route.Route, paymentHash []byte, // Now that we know we have an actual route, we'll map the route into a // sphinx payment path which includes per-hop payloads for each hop // that give each node within the route the necessary information - // (fees, CLTV value, etc) to properly forward the payment. + // (fees, CLTV value, etc.) to properly forward the payment. sphinxPath, err := rt.ToSphinxPath() if err != nil { return nil, nil, err @@ -2285,11 +2304,11 @@ type LightningPayment struct { LastHop *route.Vertex // DestFeatures specifies the set of features we assume the final node - // has for pathfinding. Typically these will be taken directly from an + // has for pathfinding. Typically, these will be taken directly from an // invoice, but they can also be manually supplied or assumed by the // sender. If a nil feature vector is provided, the router will try to - // fallback to the graph in order to load a feature vector for a node in - // the public graph. + // fall back to the graph in order to load a feature vector for a node + // in the public graph. DestFeatures *lnwire.FeatureVector // PaymentAddr is the payment address specified by the receiver. This @@ -2520,8 +2539,8 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, // Calculate amount paid to receiver. amt := rt.ReceiverAmt() - // If this is meant as a MP payment shard, we set the amount - // for the creating info to the total amount of the payment. + // If this is meant as an MP payment shard, we set the amount for the + // creating info to the total amount of the payment. finalHop := rt.Hops[len(rt.Hops)-1] mpp := finalHop.MPP if mpp != nil { @@ -2575,7 +2594,7 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, // Since the HTLC hashes and preimages are specified manually over the // RPC for SendToRoute requests, we don't have to worry about creating - // a ShardTracker that can generate hashes for AMP payments. Instead we + // a ShardTracker that can generate hashes for AMP payments. Instead, we // create a simple tracker that can just return the hash for the single // shard we'll now launch. shardTracker := shards.NewSimpleShardTracker(htlcHash, nil) @@ -2608,7 +2627,7 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, return nil, err } - // We now lookup the payment to see if it's already failed. + // We now look up the payment to see if it's already failed. payment, err := p.router.cfg.Control.FetchPayment(p.identifier) if err != nil { return result.attempt, err @@ -2677,7 +2696,7 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, // returned. // // This method relies on the ControlTower's internal payment state machine to -// carry out its execution. After restarts it is safe, and assumed, that the +// carry out its execution. After restarts, it is safe, and assumed, that the // router will call this method for every payment still in-flight according to // the ControlTower. func (r *ChannelRouter) sendPayment(feeLimit lnwire.MilliSatoshi, @@ -2685,7 +2704,7 @@ func (r *ChannelRouter) sendPayment(feeLimit lnwire.MilliSatoshi, paySession PaymentSession, shardTracker shards.ShardTracker) ([32]byte, *route.Route, error) { - // We'll also fetch the current block height so we can properly + // We'll also fetch the current block height, so we can properly // calculate the required HTLC time locks within the route. _, currentHeight, err := r.cfg.Chain.GetBestBlock() if err != nil { @@ -3022,8 +3041,8 @@ func (r *ChannelRouter) IsStaleEdgePolicy(chanID lnwire.ShortChannelID, } // As edges are directional edge node has a unique policy for the - // direction of the edge they control. Therefore we first check if we - // already have the most up to date information for that edge. If so, + // direction of the edge they control. Therefore, we first check if we + // already have the most up-to-date information for that edge. If so, // then we can exit early. switch { // A flag set of 0 indicates this is an announcement for the "first" @@ -3054,7 +3073,7 @@ type ErrNoChannel struct { fromNode route.Vertex } -// Error returns a human readable string describing the error. +// Error returns a human-readable string describing the error. func (e ErrNoChannel) Error() string { return fmt.Sprintf("no matching outgoing channel available for "+ "node %v (%v)", e.position, e.fromNode) From e729084149617396b0151add1e513a93513aeeee Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 16 May 2024 16:25:37 +0200 Subject: [PATCH 036/343] lnrpc: cancelable sendpayment request --- lnrpc/routerrpc/router.pb.go | 19 +++++++++++++++++-- lnrpc/routerrpc/router.proto | 9 +++++++++ lnrpc/routerrpc/router.swagger.json | 4 ++++ 3 files changed, 30 insertions(+), 2 deletions(-) diff --git a/lnrpc/routerrpc/router.pb.go b/lnrpc/routerrpc/router.pb.go index aec86404eb..7b91c445e8 100644 --- a/lnrpc/routerrpc/router.pb.go +++ b/lnrpc/routerrpc/router.pb.go @@ -492,6 +492,12 @@ type SendPaymentRequest struct { // The time preference for this payment. Set to -1 to optimize for fees // only, to 1 to optimize for reliability only or a value inbetween for a mix. TimePref float64 `protobuf:"fixed64,23,opt,name=time_pref,json=timePref,proto3" json:"time_pref,omitempty"` + // If set, the payment loop can be interrupted by manually canceling the + // payment context, even before the payment timeout is reached. Note that the + // payment may still succeed after cancellation, as in-flight attempts can + // still settle afterwards. Canceling will only prevent further attempts from + // being sent. + Cancelable bool `protobuf:"varint,24,opt,name=cancelable,proto3" json:"cancelable,omitempty"` } func (x *SendPaymentRequest) Reset() { @@ -688,6 +694,13 @@ func (x *SendPaymentRequest) GetTimePref() float64 { return 0 } +func (x *SendPaymentRequest) GetCancelable() bool { + if x != nil { + return x.Cancelable + } + return false +} + type TrackPaymentRequest struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -3339,7 +3352,7 @@ var file_routerrpc_router_proto_rawDesc = []byte{ 0x0a, 0x16, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x72, 0x70, 0x63, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x72, 0x70, 0x63, 0x1a, 0x0f, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x6e, 0x69, 0x6e, 0x67, 0x2e, 0x70, - 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xf4, 0x07, 0x0a, 0x12, 0x53, 0x65, 0x6e, 0x64, 0x50, 0x61, 0x79, + 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x94, 0x08, 0x0a, 0x12, 0x53, 0x65, 0x6e, 0x64, 0x50, 0x61, 0x79, 0x6d, 0x65, 0x6e, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x65, 0x73, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x65, 0x73, 0x74, 0x12, 0x10, 0x0a, 0x03, 0x61, 0x6d, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x03, 0x61, 0x6d, @@ -3398,7 +3411,9 @@ var file_routerrpc_router_proto_rawDesc = []byte{ 0x7a, 0x65, 0x4d, 0x73, 0x61, 0x74, 0x12, 0x10, 0x0a, 0x03, 0x61, 0x6d, 0x70, 0x18, 0x16, 0x20, 0x01, 0x28, 0x08, 0x52, 0x03, 0x61, 0x6d, 0x70, 0x12, 0x1b, 0x0a, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x5f, 0x70, 0x72, 0x65, 0x66, 0x18, 0x17, 0x20, 0x01, 0x28, 0x01, 0x52, 0x08, 0x74, 0x69, 0x6d, - 0x65, 0x50, 0x72, 0x65, 0x66, 0x1a, 0x44, 0x0a, 0x16, 0x44, 0x65, 0x73, 0x74, 0x43, 0x75, 0x73, + 0x65, 0x50, 0x72, 0x65, 0x66, 0x12, 0x1e, 0x0a, 0x0a, 0x63, 0x61, 0x6e, 0x63, 0x65, 0x6c, 0x61, + 0x62, 0x6c, 0x65, 0x18, 0x18, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x63, 0x61, 0x6e, 0x63, 0x65, + 0x6c, 0x61, 0x62, 0x6c, 0x65, 0x1a, 0x44, 0x0a, 0x16, 0x44, 0x65, 0x73, 0x74, 0x43, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x52, 0x65, 0x63, 0x6f, 0x72, 0x64, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, diff --git a/lnrpc/routerrpc/router.proto b/lnrpc/routerrpc/router.proto index a909828803..1856bccbee 100644 --- a/lnrpc/routerrpc/router.proto +++ b/lnrpc/routerrpc/router.proto @@ -330,6 +330,15 @@ message SendPaymentRequest { only, to 1 to optimize for reliability only or a value inbetween for a mix. */ double time_pref = 23; + + /* + If set, the payment loop can be interrupted by manually canceling the + payment context, even before the payment timeout is reached. Note that the + payment may still succeed after cancellation, as in-flight attempts can + still settle afterwards. Canceling will only prevent further attempts from + being sent. + */ + bool cancelable = 24; } message TrackPaymentRequest { diff --git a/lnrpc/routerrpc/router.swagger.json b/lnrpc/routerrpc/router.swagger.json index 1d948d3f89..7e8f3c49d2 100644 --- a/lnrpc/routerrpc/router.swagger.json +++ b/lnrpc/routerrpc/router.swagger.json @@ -1804,6 +1804,10 @@ "type": "number", "format": "double", "description": "The time preference for this payment. Set to -1 to optimize for fees\nonly, to 1 to optimize for reliability only or a value inbetween for a mix." + }, + "cancelable": { + "type": "boolean", + "description": "If set, the payment loop can be interrupted by manually canceling the\npayment context, even before the payment timeout is reached. Note that the\npayment may still succeed after cancellation, as in-flight attempts can\nstill settle afterwards. Canceling will only prevent further attempts from\nbeing sent." } } }, From bba01cf6342edc54e81bba3ed38342568c7382db Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 16 May 2024 16:38:51 +0200 Subject: [PATCH 037/343] routing+routerrpc: cancelable context in SendPaymentV2 In this commit we set up the payment loop context according to user-provided parameters. The `cancelable` parameter indicates whether the user is able to interrupt the payment loop by cancelling the server stream context. We'll additionally wrap the context in a deadline if the user provided a payment timeout. We remove the timeout channel of the payment_lifecycle.go and in favor of the deadline context. --- lnrpc/routerrpc/router_server.go | 20 ++++-- routing/payment_lifecycle.go | 53 +++++++------- routing/payment_lifecycle_test.go | 114 +++++++++++++++++++++++------- routing/router.go | 45 +++++++----- 4 files changed, 163 insertions(+), 69 deletions(-) diff --git a/lnrpc/routerrpc/router_server.go b/lnrpc/routerrpc/router_server.go index 75aa48bcba..85b6b2b2c4 100644 --- a/lnrpc/routerrpc/router_server.go +++ b/lnrpc/routerrpc/router_server.go @@ -360,13 +360,25 @@ func (s *Server) SendPaymentV2(req *SendPaymentRequest, return err } + // The payment context is influenced by two user-provided parameters, + // the cancelable flag and the payment attempt timeout. + // If the payment is cancelable, we will use the stream context as the + // payment context. That way, if the user ends the stream, the payment + // loop will be canceled. + // The second context parameter is the timeout. If the user provides a + // timeout, we will additionally wrap the context in a deadline. If the + // user provided 'cancelable' and ends the stream before the timeout is + // reached the payment will be canceled. + ctx := context.Background() + if req.Cancelable { + ctx = stream.Context() + } + // Send the payment asynchronously. - s.cfg.Router.SendPaymentAsync(payment, paySession, shardTracker) + s.cfg.Router.SendPaymentAsync(ctx, payment, paySession, shardTracker) // Track the payment and return. - return s.trackPayment( - sub, payHash, stream, req.NoInflightUpdates, - ) + return s.trackPayment(sub, payHash, stream, req.NoInflightUpdates) } // EstimateRouteFee allows callers to obtain an expected value w.r.t how much it diff --git a/routing/payment_lifecycle.go b/routing/payment_lifecycle.go index 8d719ae382..8769ca5d31 100644 --- a/routing/payment_lifecycle.go +++ b/routing/payment_lifecycle.go @@ -1,6 +1,7 @@ package routing import ( + "context" "errors" "fmt" "time" @@ -29,7 +30,6 @@ type paymentLifecycle struct { identifier lntypes.Hash paySession PaymentSession shardTracker shards.ShardTracker - timeoutChan <-chan time.Time currentHeight int32 // quit is closed to signal the sub goroutines of the payment lifecycle @@ -52,7 +52,7 @@ type paymentLifecycle struct { // newPaymentLifecycle initiates a new payment lifecycle and returns it. func newPaymentLifecycle(r *ChannelRouter, feeLimit lnwire.MilliSatoshi, identifier lntypes.Hash, paySession PaymentSession, - shardTracker shards.ShardTracker, timeout time.Duration, + shardTracker shards.ShardTracker, currentHeight int32) *paymentLifecycle { p := &paymentLifecycle{ @@ -69,13 +69,6 @@ func newPaymentLifecycle(r *ChannelRouter, feeLimit lnwire.MilliSatoshi, // Mount the result collector. p.resultCollector = p.collectResultAsync - // If a timeout is specified, create a timeout channel. If no timeout is - // specified, the channel is left nil and will never abort the payment - // loop. - if timeout != 0 { - p.timeoutChan = time.After(timeout) - } - return p } @@ -167,7 +160,9 @@ func (p *paymentLifecycle) decideNextStep( } // resumePayment resumes the paymentLifecycle from the current state. -func (p *paymentLifecycle) resumePayment() ([32]byte, *route.Route, error) { +func (p *paymentLifecycle) resumePayment(ctx context.Context) ([32]byte, + *route.Route, error) { + // When the payment lifecycle loop exits, we make sure to signal any // sub goroutine of the HTLC attempt to exit, then wait for them to // return. @@ -221,18 +216,17 @@ lifecycle: // We now proceed our lifecycle with the following tasks in // order, - // 1. check timeout. + // 1. check context. // 2. request route. // 3. create HTLC attempt. // 4. send HTLC attempt. // 5. collect HTLC attempt result. // - // Before we attempt any new shard, we'll check to see if - // either we've gone past the payment attempt timeout, or the - // router is exiting. In either case, we'll stop this payment - // attempt short. If a timeout is not applicable, timeoutChan - // will be nil. - if err := p.checkTimeout(); err != nil { + // Before we attempt any new shard, we'll check to see if we've + // gone past the payment attempt timeout, or if the context was + // cancelled, or the router is exiting. In any of these cases, + // we'll stop this payment attempt short. + if err := p.checkContext(ctx); err != nil { return exitWithErr(err) } @@ -318,19 +312,30 @@ lifecycle: return [32]byte{}, nil, *failure } -// checkTimeout checks whether the payment has reached its timeout. -func (p *paymentLifecycle) checkTimeout() error { +// checkContext checks whether the payment context has been canceled. +// Cancellation occurs manually or if the context times out. +func (p *paymentLifecycle) checkContext(ctx context.Context) error { select { - case <-p.timeoutChan: - log.Warnf("payment attempt not completed before timeout") + case <-ctx.Done(): + // If the context was canceled, we'll mark the payment as + // failed. There are two cases to distinguish here: Either a + // user-provided timeout was reached, or the context was + // canceled, either to a manual cancellation or due to an + // unknown error. + if errors.Is(ctx.Err(), context.DeadlineExceeded) { + log.Warnf("Payment attempt not completed before "+ + "timeout, id=%s", p.identifier.String()) + } else { + log.Warnf("Payment attempt context canceled, id=%s", + p.identifier.String()) + } // By marking the payment failed, depending on whether it has // inflight HTLCs or not, its status will now either be // `StatusInflight` or `StatusFailed`. In either case, no more // HTLCs will be attempted. - err := p.router.cfg.Control.FailPayment( - p.identifier, channeldb.FailureReasonTimeout, - ) + reason := channeldb.FailureReasonTimeout + err := p.router.cfg.Control.FailPayment(p.identifier, reason) if err != nil { return fmt.Errorf("FailPayment got %w", err) } diff --git a/routing/payment_lifecycle_test.go b/routing/payment_lifecycle_test.go index 51862a1843..3b19812c6d 100644 --- a/routing/payment_lifecycle_test.go +++ b/routing/payment_lifecycle_test.go @@ -1,6 +1,7 @@ package routing import ( + "context" "sync/atomic" "testing" "time" @@ -88,7 +89,7 @@ func newTestPaymentLifecycle(t *testing.T) (*paymentLifecycle, *mockers) { // Create a test payment lifecycle with no fee limit and no timeout. p := newPaymentLifecycle( rt, noFeeLimit, paymentHash, mockPaymentSession, - mockShardTracker, 0, 0, + mockShardTracker, 0, ) // Create a mock payment which is returned from mockControlTower. @@ -151,9 +152,9 @@ type resumePaymentResult struct { err error } -// sendPaymentAndAssertFailed calls `resumePayment` and asserts that an error -// is returned. -func sendPaymentAndAssertFailed(t *testing.T, +// sendPaymentAndAssertError calls `resumePayment` and asserts that an error is +// returned. +func sendPaymentAndAssertError(t *testing.T, ctx context.Context, p *paymentLifecycle, errExpected error) { resultChan := make(chan *resumePaymentResult, 1) @@ -161,7 +162,7 @@ func sendPaymentAndAssertFailed(t *testing.T, // We now make a call to `resumePayment` and expect it to return the // error. go func() { - preimage, _, err := p.resumePayment() + preimage, _, err := p.resumePayment(ctx) resultChan <- &resumePaymentResult{ preimage: preimage, err: err, @@ -189,7 +190,7 @@ func sendPaymentAndAssertSucceeded(t *testing.T, // We now make a call to `resumePayment` and expect it to return the // preimage. go func() { - preimage, _, err := p.resumePayment() + preimage, _, err := p.resumePayment(context.Background()) resultChan <- &resumePaymentResult{ preimage: preimage, err: err, @@ -278,6 +279,10 @@ func makeAttemptInfo(t *testing.T, amt int) channeldb.HTLCAttemptInfo { func TestCheckTimeoutTimedOut(t *testing.T) { t.Parallel() + deadline := time.Now().Add(time.Nanosecond) + ctx, cancel := context.WithDeadline(context.Background(), deadline) + defer cancel() + p := createTestPaymentLifecycle() // Mock the control tower's `FailPayment` method. @@ -288,14 +293,11 @@ func TestCheckTimeoutTimedOut(t *testing.T) { // Mount the mocked control tower. p.router.cfg.Control = ct - // Make the timeout happens instantly. - p.timeoutChan = time.After(1 * time.Nanosecond) - // Sleep one millisecond to make sure it timed out. time.Sleep(1 * time.Millisecond) // Call the function and expect no error. - err := p.checkTimeout() + err := p.checkContext(ctx) require.NoError(t, err) // Assert that `FailPayment` is called as expected. @@ -313,13 +315,15 @@ func TestCheckTimeoutTimedOut(t *testing.T) { p.router.cfg.Control = ct // Make the timeout happens instantly. - p.timeoutChan = time.After(1 * time.Nanosecond) + deadline = time.Now().Add(time.Nanosecond) + ctx, cancel = context.WithDeadline(context.Background(), deadline) + defer cancel() // Sleep one millisecond to make sure it timed out. time.Sleep(1 * time.Millisecond) // Call the function and expect an error. - err = p.checkTimeout() + err = p.checkContext(ctx) require.ErrorIs(t, err, errDummy) // Assert that `FailPayment` is called as expected. @@ -331,10 +335,13 @@ func TestCheckTimeoutTimedOut(t *testing.T) { func TestCheckTimeoutOnRouterQuit(t *testing.T) { t.Parallel() + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + p := createTestPaymentLifecycle() close(p.router.quit) - err := p.checkTimeout() + err := p.checkContext(ctx) require.ErrorIs(t, err, ErrRouterShuttingDown) } @@ -627,7 +634,7 @@ func TestResumePaymentFailOnFetchPayment(t *testing.T) { m.control.On("FetchPayment", p.identifier).Return(nil, errDummy) // Send the payment and assert it failed. - sendPaymentAndAssertFailed(t, p, errDummy) + sendPaymentAndAssertError(t, context.Background(), p, errDummy) // Expected collectResultAsync to not be called. require.Zero(t, m.collectResultsCount) @@ -656,14 +663,15 @@ func TestResumePaymentFailOnTimeout(t *testing.T) { } m.payment.On("GetState").Return(ps).Once() - // NOTE: GetStatus is only used to populate the logs which is - // not critical so we loosen the checks on how many times it's - // been called. + // NOTE: GetStatus is only used to populate the logs which is not + // critical, so we loosen the checks on how many times it's been called. m.payment.On("GetStatus").Return(channeldb.StatusInFlight) // 3. make the timeout happens instantly and sleep one millisecond to // make sure it timed out. - p.timeoutChan = time.After(1 * time.Nanosecond) + deadline := time.Now().Add(time.Nanosecond) + ctx, cancel := context.WithDeadline(context.Background(), deadline) + defer cancel() time.Sleep(1 * time.Millisecond) // 4. the payment should be failed with reason timeout. @@ -683,7 +691,7 @@ func TestResumePaymentFailOnTimeout(t *testing.T) { m.payment.On("TerminalInfo").Return(nil, &reason) // Send the payment and assert it failed with the timeout reason. - sendPaymentAndAssertFailed(t, p, reason) + sendPaymentAndAssertError(t, ctx, p, reason) // Expected collectResultAsync to not be called. require.Zero(t, m.collectResultsCount) @@ -721,7 +729,65 @@ func TestResumePaymentFailOnTimeoutErr(t *testing.T) { close(p.router.quit) // Send the payment and assert it failed when router is shutting down. - sendPaymentAndAssertFailed(t, p, ErrRouterShuttingDown) + sendPaymentAndAssertError( + t, context.Background(), p, ErrRouterShuttingDown, + ) + + // Expected collectResultAsync to not be called. + require.Zero(t, m.collectResultsCount) +} + +// TestResumePaymentFailContextCancel checks that the lifecycle fails when the +// context is canceled. +// +// NOTE: No parallel test because it overwrites global variables. +// +//nolint:paralleltest +func TestResumePaymentFailContextCancel(t *testing.T) { + // Create a test paymentLifecycle with the initial two calls mocked. + p, m := setupTestPaymentLifecycle(t) + + // Create the cancelable payment context. + ctx, cancel := context.WithCancel(context.Background()) + + paymentAmt := lnwire.MilliSatoshi(10000) + + // We now enter the payment lifecycle loop. + // + // 1. calls `FetchPayment` and return the payment. + m.control.On("FetchPayment", p.identifier).Return(m.payment, nil).Once() + + // 2. calls `GetState` and return the state. + ps := &channeldb.MPPaymentState{ + RemainingAmt: paymentAmt, + } + m.payment.On("GetState").Return(ps).Once() + + // NOTE: GetStatus is only used to populate the logs which is not + // critical, so we loosen the checks on how many times it's been called. + m.payment.On("GetStatus").Return(channeldb.StatusInFlight) + + // 3. Cancel the context and skip the FailPayment error to trigger the + // context cancellation of the payment. + cancel() + + m.control.On( + "FailPayment", p.identifier, channeldb.FailureReasonTimeout, + ).Return(nil).Once() + + // 5. decideNextStep now returns stepExit. + m.payment.On("AllowMoreAttempts").Return(false, nil).Once(). + On("NeedWaitAttempts").Return(false, nil).Once() + + // 6. Control tower deletes failed attempts. + m.control.On("DeleteFailedAttempts", p.identifier).Return(nil).Once() + + // 7. We will observe FailureReasonError if the context was cancelled. + reason := channeldb.FailureReasonError + m.payment.On("TerminalInfo").Return(nil, &reason) + + // Send the payment and assert it failed with the timeout reason. + sendPaymentAndAssertError(t, ctx, p, reason) // Expected collectResultAsync to not be called. require.Zero(t, m.collectResultsCount) @@ -759,7 +825,7 @@ func TestResumePaymentFailOnStepErr(t *testing.T) { m.payment.On("AllowMoreAttempts").Return(false, errDummy).Once() // Send the payment and assert it failed. - sendPaymentAndAssertFailed(t, p, errDummy) + sendPaymentAndAssertError(t, context.Background(), p, errDummy) // Expected collectResultAsync to not be called. require.Zero(t, m.collectResultsCount) @@ -803,7 +869,7 @@ func TestResumePaymentFailOnRequestRouteErr(t *testing.T) { ).Return(nil, errDummy).Once() // Send the payment and assert it failed. - sendPaymentAndAssertFailed(t, p, errDummy) + sendPaymentAndAssertError(t, context.Background(), p, errDummy) // Expected collectResultAsync to not be called. require.Zero(t, m.collectResultsCount) @@ -863,7 +929,7 @@ func TestResumePaymentFailOnRegisterAttemptErr(t *testing.T) { ).Return(nil, errDummy).Once() // Send the payment and assert it failed. - sendPaymentAndAssertFailed(t, p, errDummy) + sendPaymentAndAssertError(t, context.Background(), p, errDummy) // Expected collectResultAsync to not be called. require.Zero(t, m.collectResultsCount) @@ -955,7 +1021,7 @@ func TestResumePaymentFailOnSendAttemptErr(t *testing.T) { ).Return(nil, errDummy).Once() // Send the payment and assert it failed. - sendPaymentAndAssertFailed(t, p, errDummy) + sendPaymentAndAssertError(t, context.Background(), p, errDummy) // Expected collectResultAsync to not be called. require.Zero(t, m.collectResultsCount) diff --git a/routing/router.go b/routing/router.go index 088f08357b..851db4af0b 100644 --- a/routing/router.go +++ b/routing/router.go @@ -2,6 +2,7 @@ package routing import ( "bytes" + "context" "fmt" "math" "runtime" @@ -715,13 +716,15 @@ func (r *ChannelRouter) Start() error { // result for the in-flight attempt is received. paySession := r.cfg.SessionSource.NewPaymentSessionEmpty() - // We pass in a zero timeout value, to indicate we + // We pass in a non-timeout context, to indicate we // don't need it to timeout. It will stop immediately // after the existing attempt has finished anyway. We // also set a zero fee limit, as no more routes should // be tried. + noTimeout := time.Duration(0) _, _, err := r.sendPayment( - 0, payment.Info.PaymentIdentifier, 0, + context.Background(), 0, + payment.Info.PaymentIdentifier, noTimeout, paySession, shardTracker, ) if err != nil { @@ -2406,18 +2409,16 @@ func (r *ChannelRouter) SendPayment(payment *LightningPayment) ([32]byte, log.Tracef("Dispatching SendPayment for lightning payment: %v", spewPayment(payment)) - // Since this is the first time this payment is being made, we pass nil - // for the existing attempt. return r.sendPayment( - payment.FeeLimit, payment.Identifier(), + context.Background(), payment.FeeLimit, payment.Identifier(), payment.PayAttemptTimeout, paySession, shardTracker, ) } // SendPaymentAsync is the non-blocking version of SendPayment. The payment // result needs to be retrieved via the control tower. -func (r *ChannelRouter) SendPaymentAsync(payment *LightningPayment, - ps PaymentSession, st shards.ShardTracker) { +func (r *ChannelRouter) SendPaymentAsync(ctx context.Context, + payment *LightningPayment, ps PaymentSession, st shards.ShardTracker) { // Since this is the first time this payment is being made, we pass nil // for the existing attempt. @@ -2429,7 +2430,7 @@ func (r *ChannelRouter) SendPaymentAsync(payment *LightningPayment, spewPayment(payment)) _, _, err := r.sendPayment( - payment.FeeLimit, payment.Identifier(), + ctx, payment.FeeLimit, payment.Identifier(), payment.PayAttemptTimeout, ps, st, ) if err != nil { @@ -2604,9 +2605,7 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, // - nil payment session (since we already have a route). // - no payment timeout. // - no current block height. - p := newPaymentLifecycle( - r, 0, paymentIdentifier, nil, shardTracker, 0, 0, - ) + p := newPaymentLifecycle(r, 0, paymentIdentifier, nil, shardTracker, 0) // We found a route to try, create a new HTLC attempt to try. // @@ -2699,11 +2698,23 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, // carry out its execution. After restarts, it is safe, and assumed, that the // router will call this method for every payment still in-flight according to // the ControlTower. -func (r *ChannelRouter) sendPayment(feeLimit lnwire.MilliSatoshi, - identifier lntypes.Hash, timeout time.Duration, - paySession PaymentSession, +func (r *ChannelRouter) sendPayment(ctx context.Context, + feeLimit lnwire.MilliSatoshi, identifier lntypes.Hash, + paymentAttemptTimeout time.Duration, paySession PaymentSession, shardTracker shards.ShardTracker) ([32]byte, *route.Route, error) { + // If the user provides a timeout, we will additionally wrap the context + // in a deadline. + cancel := func() {} + if paymentAttemptTimeout > 0 { + ctx, cancel = context.WithTimeout(ctx, paymentAttemptTimeout) + } + + // Since resumePayment is a blocking call, we'll cancel this + // context if the payment completes before the optional + // deadline. + defer cancel() + // We'll also fetch the current block height, so we can properly // calculate the required HTLC time locks within the route. _, currentHeight, err := r.cfg.Chain.GetBestBlock() @@ -2714,11 +2725,11 @@ func (r *ChannelRouter) sendPayment(feeLimit lnwire.MilliSatoshi, // Now set up a paymentLifecycle struct with these params, such that we // can resume the payment from the current state. p := newPaymentLifecycle( - r, feeLimit, identifier, paySession, - shardTracker, timeout, currentHeight, + r, feeLimit, identifier, paySession, shardTracker, + currentHeight, ) - return p.resumePayment() + return p.resumePayment(ctx) } // extractChannelUpdate examines the error and extracts the channel update. From 7bfa616371cb9418130cdb94efca10a97498bdf5 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 16 May 2024 16:45:01 +0200 Subject: [PATCH 038/343] lncli: cancelable flag for SendPaymentRequest --- cmd/lncli/cmd_payments.go | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/cmd/lncli/cmd_payments.go b/cmd/lncli/cmd_payments.go index 9138e14994..ec6a04b37c 100644 --- a/cmd/lncli/cmd_payments.go +++ b/cmd/lncli/cmd_payments.go @@ -139,6 +139,17 @@ var ( Usage: "(blinded paths) the total cltv delay for the " + "blinded portion of the route", } + + cancelableFlag = cli.BoolFlag{ + Name: "cancelable", + Usage: "if set to true, the payment loop can be interrupted " + + "by manually canceling the payment context, even " + + "before the payment timeout is reached. Note that " + + "the payment may still succeed after cancellation, " + + "as in-flight attempts can still settle afterwards. " + + "Canceling will only prevent further attempts from " + + "being sent", + } ) // paymentFlags returns common flags for sendpayment and payinvoice. @@ -166,6 +177,7 @@ func paymentFlags() []cli.Flag { "after the timeout has elapsed", Value: paymentTimeout, }, + cancelableFlag, cltvLimitFlag, lastHopFlag, cli.Int64SliceFlag{ @@ -329,6 +341,7 @@ func sendPayment(ctx *cli.Context) error { Amt: ctx.Int64("amt"), DestCustomRecords: make(map[uint64][]byte), Amp: ctx.Bool(ampFlag.Name), + Cancelable: ctx.Bool(cancelableFlag.Name), } // We'll attempt to parse a payment address as well, given that @@ -387,6 +400,7 @@ func sendPayment(ctx *cli.Context) error { Amt: amount, DestCustomRecords: make(map[uint64][]byte), Amp: ctx.Bool(ampFlag.Name), + Cancelable: ctx.Bool(cancelableFlag.Name), } var rHash []byte @@ -888,6 +902,7 @@ func payInvoice(ctx *cli.Context) error { Amt: ctx.Int64("amt"), DestCustomRecords: make(map[uint64][]byte), Amp: ctx.Bool(ampFlag.Name), + Cancelable: ctx.Bool(cancelableFlag.Name), } return sendPaymentRequest(ctx, req) From 4568dfceeeab48904f24a47ac3d9e52bd7073164 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Mon, 10 Jun 2024 11:01:49 +0200 Subject: [PATCH 039/343] docs: update release notes --- docs/release-notes/release-notes-0.18.1.md | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index 2ac8928f6e..e58d65d362 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -22,15 +22,25 @@ * `closedchannels` now [successfully reports](https://github.com/lightningnetwork/lnd/pull/8800) settled balances even if the delivery address is set to an address that LND does not control. + +* [SendPaymentV2](https://github.com/lightningnetwork/lnd/pull/8734) now cancels + the background payment loop if the user cancels the stream context. # New Features ## Functional Enhancements ## RPC Additions + +* The [SendPaymentRequest](https://github.com/lightningnetwork/lnd/pull/8734) + message receives a new flag `cancelable` which indicates if the payment loop + is cancelable. The cancellation can either occur manually by cancelling the + send payment stream context, or automatically at the end of the timeout period + if the user provided `timeout_seconds`. + ## lncli Additions * [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` argument to `addinvoice` and `addholdinvoice`, allowing users to set the - `min_final_cltv_expiry_delta` + `min_final_cltv_expiry_delta`. * The [`lncli wallet estimatefeerate`](https://github.com/lightningnetwork/lnd/pull/8730) command returns the fee rate estimate for on-chain transactions in sat/kw and @@ -72,3 +82,4 @@ * Andras Banki-Horvath * Bufo +* Slyghtning From 01f5af0a28b84cd3653a1e9645d6db7e6e5f1712 Mon Sep 17 00:00:00 2001 From: michael1011 Date: Mon, 10 Jun 2024 15:07:14 +0200 Subject: [PATCH 040/343] cfg: fail startup on flags.Error parsing error --- config.go | 5 ++++- docs/release-notes/release-notes-0.18.1.md | 5 ++++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/config.go b/config.go index 13fd2c8327..8953b6d4b8 100644 --- a/config.go +++ b/config.go @@ -38,6 +38,7 @@ import ( "github.com/lightningnetwork/lnd/lnrpc/peersrpc" "github.com/lightningnetwork/lnd/lnrpc/routerrpc" "github.com/lightningnetwork/lnd/lnrpc/signrpc" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing" @@ -771,7 +772,9 @@ func LoadConfig(interceptor signal.Interceptor) (*Config, error) { // If it's a parsing related error, then we'll return // immediately, otherwise we can proceed as possibly the config // file doesn't exist which is OK. - if _, ok := err.(*flags.IniError); ok { + if lnutils.ErrorAs[*flags.IniError](err) || + lnutils.ErrorAs[*flags.Error](err) { + return nil, err } diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index e58d65d362..92ce40a67b 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -22,10 +22,13 @@ * `closedchannels` now [successfully reports](https://github.com/lightningnetwork/lnd/pull/8800) settled balances even if the delivery address is set to an address that LND does not control. - + * [SendPaymentV2](https://github.com/lightningnetwork/lnd/pull/8734) now cancels the background payment loop if the user cancels the stream context. +* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8822) that caused + LND to read the config only partially and continued with the startup. + # New Features ## Functional Enhancements ## RPC Additions From b66e361afa28d8e1c535a09628512be395546455 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Wed, 5 Jun 2024 19:16:15 +0200 Subject: [PATCH 041/343] lncli: fix typo in inbound fee help text --- cmd/lncli/commands.go | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/cmd/lncli/commands.go b/cmd/lncli/commands.go index f9f91ef2c8..04a70f9032 100644 --- a/cmd/lncli/commands.go +++ b/cmd/lncli/commands.go @@ -1309,7 +1309,7 @@ func abandonChannel(ctx *cli.Context) error { } // parseChannelPoint parses a funding txid and output index from the command -// line. Both named options as well as unnamed parameters are supported. +// line. Both named options and unnamed parameters are supported. func parseChannelPoint(ctx *cli.Context) (*lnrpc.ChannelPoint, error) { channelPoint := &lnrpc.ChannelPoint{} var err error @@ -1632,7 +1632,7 @@ func listChannels(ctx *cli.Context) error { peerKey = pk[:] } - // By default we will look up the peers' alias information unless the + // By default, we will look up the peers' alias information unless the // skip_peer_alias_lookup flag indicates otherwise. lookupPeerAlias := !ctx.Bool("skip_peer_alias_lookup") @@ -2230,7 +2230,7 @@ var updateChannelPolicyCommand = cli.Command{ "forwarded HTLC and the outbound fee. Fee " + "rate is expressed in parts per million and " + "must be zero or negative - it is a discount " + - "for using a particular incoming channel." + + "for using a particular incoming channel. " + "Note that forwards will be rejected if the " + "discount exceeds the outbound fee " + "(forward at a loss), and lead to " + @@ -2804,7 +2804,7 @@ var restoreChanBackupCommand = cli.Command{ } // errMissingChanBackup is an error returned when we attempt to parse a channel -// backup from a CLI command and it is missing. +// backup from a CLI command, and it is missing. var errMissingChanBackup = errors.New("missing channel backup") func parseChanBackups(ctx *cli.Context) (*lnrpc.RestoreChanBackupRequest, error) { From 6a27bc29ba1b848bf9433cc68b6edb44c54c5fb3 Mon Sep 17 00:00:00 2001 From: Matheus Degiovani Date: Wed, 13 Mar 2024 12:54:10 -0300 Subject: [PATCH 042/343] missioncontrolstore: add additional tests and benchmarks These will be useful in the next commits. --- routing/missioncontrol_store_test.go | 273 ++++++++++++++++++++------- 1 file changed, 209 insertions(+), 64 deletions(-) diff --git a/routing/missioncontrol_store_test.go b/routing/missioncontrol_store_test.go index 81d1da4b35..34b925a3e1 100644 --- a/routing/missioncontrol_store_test.go +++ b/routing/missioncontrol_store_test.go @@ -1,13 +1,14 @@ package routing import ( + "fmt" "os" - "reflect" "testing" "time" - "github.com/davecgh/go-spew/spew" + "github.com/btcsuite/btcwallet/walletdb" "github.com/lightningnetwork/lnd/kvdb" + "github.com/lightningnetwork/lnd/lntest/wait" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" "github.com/stretchr/testify/require" @@ -15,18 +16,33 @@ import ( const testMaxRecords = 2 -// TestMissionControlStore tests the recording of payment failure events -// in mission control. It tests encoding and decoding of differing lnwire -// failures (FailIncorrectDetails and FailMppTimeout), pruning of results -// and idempotent writes. -func TestMissionControlStore(t *testing.T) { +var ( + // mcStoreTestRoute is a test route for the mission control store tests. + mcStoreTestRoute = route.Route{ + SourcePubKey: route.Vertex{1}, + Hops: []*route.Hop{ + { + PubKeyBytes: route.Vertex{2}, + LegacyPayload: true, + }, + }, + } +) + +// mcStoreTestHarness is the harness for a MissonControlStore test. +type mcStoreTestHarness struct { + db walletdb.DB + store *missionControlStore +} + +// newMCStoreTestHarness initializes a test mission control store. +func newMCStoreTestHarness(t testing.TB, maxRecords int, + flushInterval time.Duration) mcStoreTestHarness { // Set time zone explicitly to keep test deterministic. time.Local = time.UTC file, err := os.CreateTemp("", "*.db") - if err != nil { - t.Fatal(err) - } + require.NoError(t, err) dbPath := file.Name() t.Cleanup(func() { @@ -37,40 +53,33 @@ func TestMissionControlStore(t *testing.T) { db, err := kvdb.Create( kvdb.BoltBackendName, dbPath, true, kvdb.DefaultDBTimeout, ) - if err != nil { - t.Fatal(err) - } + require.NoError(t, err) t.Cleanup(func() { require.NoError(t, db.Close()) }) - store, err := newMissionControlStore(db, testMaxRecords, time.Second) - if err != nil { - t.Fatal(err) - } + store, err := newMissionControlStore(db, maxRecords, flushInterval) + require.NoError(t, err) - results, err := store.fetchAll() - if err != nil { - t.Fatal(err) - } - if len(results) != 0 { - t.Fatal("expected no results") - } + return mcStoreTestHarness{db: db, store: store} +} - testRoute := route.Route{ - SourcePubKey: route.Vertex{1}, - Hops: []*route.Hop{ - { - PubKeyBytes: route.Vertex{2}, - LegacyPayload: true, - }, - }, - } +// TestMissionControlStore tests the recording of payment failure events +// in mission control. It tests encoding and decoding of differing lnwire +// failures (FailIncorrectDetails and FailMppTimeout), pruning of results +// and idempotent writes. +func TestMissionControlStore(t *testing.T) { + h := newMCStoreTestHarness(t, testMaxRecords, time.Second) + db, store := h.db, h.store + + results, err := store.fetchAll() + require.NoError(t, err) + require.Len(t, results, 0) failureSourceIdx := 1 result1 := paymentResult{ - route: &testRoute, + route: &mcStoreTestRoute, failure: lnwire.NewFailIncorrectDetails(100, 1000), failureSourceIdx: &failureSourceIdx, id: 99, @@ -94,30 +103,16 @@ func TestMissionControlStore(t *testing.T) { require.NoError(t, store.storeResults()) results, err = store.fetchAll() - if err != nil { - t.Fatal(err) - } - require.Equal(t, 2, len(results)) - - if len(results) != 2 { - t.Fatal("expected two results") - } + require.NoError(t, err) + require.Len(t, results, 2) // Check that results are stored in chronological order. - if !reflect.DeepEqual(&result1, results[0]) { - t.Fatalf("the results differ: %v vs %v", spew.Sdump(&result1), - spew.Sdump(results[0])) - } - if !reflect.DeepEqual(&result2, results[1]) { - t.Fatalf("the results differ: %v vs %v", spew.Sdump(&result2), - spew.Sdump(results[1])) - } + require.Equal(t, &result1, results[0]) + require.Equal(t, &result2, results[1]) // Recreate store to test pruning. store, err = newMissionControlStore(db, testMaxRecords, time.Second) - if err != nil { - t.Fatal(err) - } + require.NoError(t, err) // Add a newer result which failed due to mpp timeout. result3 := result1 @@ -131,20 +126,170 @@ func TestMissionControlStore(t *testing.T) { // Check that results are pruned. results, err = store.fetchAll() - if err != nil { - t.Fatal(err) + require.NoError(t, err) + require.Len(t, results, 2) + + require.Equal(t, &result2, results[0]) + require.Equal(t, &result3, results[1]) +} + +// TestMissionControlStoreFlushing asserts the periodic flushing of the store +// works correctly. +func TestMissionControlStoreFlushing(t *testing.T) { + const flushInterval = 500 * time.Millisecond + + h := newMCStoreTestHarness(t, testMaxRecords, flushInterval) + db, store := h.db, h.store + + var ( + failureSourceIdx = 1 + failureDetails = lnwire.NewFailIncorrectDetails(100, 1000) + lastID uint64 + ) + nextResult := func() *paymentResult { + lastID += 1 + return &paymentResult{ + route: &mcStoreTestRoute, + failure: failureDetails, + failureSourceIdx: &failureSourceIdx, + id: lastID, + timeReply: testTime, + timeFwd: testTime.Add(-time.Minute), + } + } + + // Helper to assert the number of results is correct. + assertResults := func(wantCount int) { + t.Helper() + err := wait.NoError(func() error { + results, err := store.fetchAll() + if err != nil { + return err + } + if wantCount != len(results) { + return fmt.Errorf("wrong nb of results: got "+ + "%d, want %d", len(results), wantCount) + } + if len(results) == 0 { + return nil + } + gotLastID := results[len(results)-1].id + if len(results) > 0 && gotLastID != lastID { + return fmt.Errorf("wrong id for last item: "+ + "got %d, want %d", gotLastID, lastID) + } + + return nil + }, flushInterval*5) + require.NoError(t, err) } - require.Equal(t, 2, len(results)) - if len(results) != 2 { - t.Fatal("expected two results") + + // Run the store. + store.run() + time.Sleep(flushInterval) + + // Wait for the flush interval. There should be no records. + assertResults(0) + + // Store a result and check immediately. There still shouldn't be + // any results stored (flush interval has not elapsed). + store.AddResult(nextResult()) + assertResults(0) + + // Assert that eventually the result is stored after being flushed. + assertResults(1) + + // Store enough results that fill the max number of results. + for i := 0; i < testMaxRecords; i++ { + store.AddResult(nextResult()) } + assertResults(testMaxRecords) - if !reflect.DeepEqual(&result2, results[0]) { - t.Fatalf("the results differ: %v vs %v", spew.Sdump(&result2), - spew.Sdump(results[0])) + // Finally, stop the store to recreate it. + store.stop() + + // Recreate store. + store, err := newMissionControlStore(db, testMaxRecords, flushInterval) + require.NoError(t, err) + store.run() + defer store.stop() + time.Sleep(flushInterval) + assertResults(testMaxRecords) + + // Fill the store with results again. + for i := 0; i < testMaxRecords; i++ { + store.AddResult(nextResult()) } - if !reflect.DeepEqual(&result3, results[1]) { - t.Fatalf("the results differ: %v vs %v", spew.Sdump(&result3), - spew.Sdump(results[1])) + assertResults(testMaxRecords) +} + +// BenchmarkMissionControlStoreFlushing benchmarks the periodic storage of data +// from the mission control store when additional results are added between +// runs. +func BenchmarkMissionControlStoreFlushing(b *testing.B) { + var ( + failureSourceIdx = 1 + failureDetails = lnwire.NewFailIncorrectDetails(100, 1000) + testTimeFwd = testTime.Add(-time.Minute) + + tests = []int{0, 1, 10, 100, 250, 500} + ) + + const testMaxRecords = 1000 + + for _, tc := range tests { + tc := tc + name := fmt.Sprintf("%v additional results", tc) + b.Run(name, func(b *testing.B) { + h := newMCStoreTestHarness( + b, testMaxRecords, time.Second, + ) + store := h.store + + // Fill the store. + var lastID uint64 + for i := 0; i < testMaxRecords; i++ { + lastID++ + result := &paymentResult{ + route: &mcStoreTestRoute, + failure: failureDetails, + failureSourceIdx: &failureSourceIdx, + id: lastID, + timeReply: testTime, + timeFwd: testTimeFwd, + } + store.AddResult(result) + } + + // Do the first flush. + err := store.storeResults() + require.NoError(b, err) + + // Create the additional results. + results := make([]*paymentResult, tc) + for i := 0; i < len(results); i++ { + results[i] = &paymentResult{ + route: &mcStoreTestRoute, + failure: failureDetails, + failureSourceIdx: &failureSourceIdx, + timeReply: testTime, + timeFwd: testTimeFwd, + } + } + + // Run the actual benchmark. + b.ResetTimer() + b.ReportAllocs() + + for i := 0; i < b.N; i++ { + for j := 0; j < len(results); j++ { + lastID++ + results[j].id = lastID + store.AddResult(results[j]) + } + err := store.storeResults() + require.NoError(b, err) + } + }) } } From 637ac85d1d8914bff14366e14fd8b54e03b5e861 Mon Sep 17 00:00:00 2001 From: Matheus Degiovani Date: Wed, 13 Mar 2024 12:46:42 -0300 Subject: [PATCH 043/343] missioncontrolstore: skip work when there are no new entries This modifies the mission control store to avoid doing any work when no new payment result entries are in the queue to be processed. The mission control store maintains keeps the latest N (in production: 1000) entries in its DB, evicting older entries when new ones are added. Currently, its implementation is somewhat less performant than it could be. This commit adds an early return to the storeResults function to avoid doing any DB or memory operations when its outstanding queue is empty, improving the performance during quiescent periods of the LN node's execution. --- routing/missioncontrol_store.go | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/routing/missioncontrol_store.go b/routing/missioncontrol_store.go index dd60d9346b..cfe0a2cf0e 100644 --- a/routing/missioncontrol_store.go +++ b/routing/missioncontrol_store.go @@ -96,6 +96,8 @@ func newMissionControlStore(db kvdb.Backend, maxRecords int, return nil, err } + log.Infof("Loaded %d mission control entries", len(keysMap)) + return &missionControlStore{ done: make(chan struct{}), db: db, @@ -302,14 +304,24 @@ func (b *missionControlStore) run() { // storeResults stores all accumulated results. func (b *missionControlStore) storeResults() error { + // We copy a reference to the queue and clear the original queue to be + // able to release the lock. b.queueMx.Lock() l := b.queue + + if l.Len() == 0 { + b.queueMx.Unlock() + + return nil + } b.queue = list.New() b.queueMx.Unlock() var ( - keys *list.List - keysMap map[string]struct{} + keys *list.List + keysMap map[string]struct{} + storeCount int + pruneCount int ) err := kvdb.Update(b.db, func(tx kvdb.RwTx) error { @@ -337,6 +349,7 @@ func (b *missionControlStore) storeResults() error { keys.PushBack(string(k)) keysMap[string(k)] = struct{}{} + storeCount++ } // Prune oldest entries. @@ -354,6 +367,7 @@ func (b *missionControlStore) storeResults() error { keys.Remove(front) delete(keysMap, key) + pruneCount++ } return nil @@ -365,12 +379,17 @@ func (b *missionControlStore) storeResults() error { for k := range b.keysMap { keysMap[k] = struct{}{} } + + storeCount, pruneCount = 0, 0 }) if err != nil { return err } + log.Debugf("Stored mission control results: %d added, %d deleted", + storeCount, pruneCount) + b.keys = keys b.keysMap = keysMap From 9059a655db20580b5f411e921b9ab6d03ce3ee51 Mon Sep 17 00:00:00 2001 From: Matheus Degiovani Date: Wed, 13 Mar 2024 12:55:28 -0300 Subject: [PATCH 044/343] missioncontrolstore: avoid ticker when there is no work to be done. This modifies the mission control store to avoid running the one second ticker for flushing data when there is no work to be done. This improves performance of a quiscent LN node by avoiding a one second interval busy loop that does nothing when there are no payments flowing through the node. --- routing/missioncontrol_store.go | 69 ++++++++++++++++++++++++++------- 1 file changed, 55 insertions(+), 14 deletions(-) diff --git a/routing/missioncontrol_store.go b/routing/missioncontrol_store.go index cfe0a2cf0e..975380af61 100644 --- a/routing/missioncontrol_store.go +++ b/routing/missioncontrol_store.go @@ -38,12 +38,15 @@ const ( // Also changes to mission control parameters can be applied to historical data. // Finally, it enables importing raw data from an external source. type missionControlStore struct { - done chan struct{} - wg sync.WaitGroup - db kvdb.Backend - queueMx sync.Mutex + done chan struct{} + wg sync.WaitGroup + db kvdb.Backend + + // queueCond is signalled when items are put into the queue. + queueCond *sync.Cond // queue stores all pending payment results not yet added to the store. + // Access is protected by the queueCond.L mutex. queue *list.List // keys holds the stored MC store item keys in the order of storage. @@ -101,6 +104,7 @@ func newMissionControlStore(db kvdb.Backend, maxRecords int, return &missionControlStore{ done: make(chan struct{}), db: db, + queueCond: sync.NewCond(&sync.Mutex{}), queue: list.New(), keys: keys, keysMap: keysMap, @@ -111,8 +115,8 @@ func newMissionControlStore(db kvdb.Backend, maxRecords int, // clear removes all results from the db. func (b *missionControlStore) clear() error { - b.queueMx.Lock() - defer b.queueMx.Unlock() + b.queueCond.L.Lock() + defer b.queueCond.L.Unlock() err := kvdb.Update(b.db, func(tx kvdb.RwTx) error { if err := tx.DeleteTopLevelBucket(resultsKey); err != nil { @@ -267,14 +271,19 @@ func deserializeResult(k, v []byte) (*paymentResult, error) { // AddResult adds a new result to the db. func (b *missionControlStore) AddResult(rp *paymentResult) { - b.queueMx.Lock() - defer b.queueMx.Unlock() + b.queueCond.L.Lock() b.queue.PushBack(rp) + b.queueCond.L.Unlock() + + b.queueCond.Signal() } // stop stops the store ticker goroutine. func (b *missionControlStore) stop() { close(b.done) + + b.queueCond.Signal() + b.wg.Wait() } @@ -283,19 +292,51 @@ func (b *missionControlStore) run() { b.wg.Add(1) go func() { - ticker := time.NewTicker(b.flushInterval) - defer ticker.Stop() defer b.wg.Done() + timer := time.NewTimer(b.flushInterval) + + // Immediately stop the timer. It will be started once new + // items are added to the store. As the doc for time.Timer + // states, every call to Stop() done on a timer that is not + // known to have been fired needs to be checked and the timer's + // channel needs to be drained appropriately. This could happen + // if the flushInterval is very small (e.g. 1 nanosecond). + if !timer.Stop() { + <-timer.C + } + for { + // Wait for the queue to not be empty. + b.queueCond.L.Lock() + for b.queue.Front() == nil { + b.queueCond.Wait() + + select { + case <-b.done: + b.queueCond.L.Unlock() + + return + default: + } + } + b.queueCond.L.Unlock() + + // Restart the timer. + timer.Reset(b.flushInterval) + select { - case <-ticker.C: + case <-timer.C: if err := b.storeResults(); err != nil { log.Errorf("Failed to update mission "+ "control store: %v", err) } case <-b.done: + // Release the timer's resources. + if !timer.Stop() { + <-timer.C + } return } } @@ -306,16 +347,16 @@ func (b *missionControlStore) run() { func (b *missionControlStore) storeResults() error { // We copy a reference to the queue and clear the original queue to be // able to release the lock. - b.queueMx.Lock() + b.queueCond.L.Lock() l := b.queue if l.Len() == 0 { - b.queueMx.Unlock() + b.queueCond.L.Unlock() return nil } b.queue = list.New() - b.queueMx.Unlock() + b.queueCond.L.Unlock() var ( keys *list.List From 0c7a173354464080a9bca7428dd2bfaaf2327580 Mon Sep 17 00:00:00 2001 From: Matheus Degiovani Date: Wed, 13 Mar 2024 18:29:04 -0300 Subject: [PATCH 045/343] missioncontrolstore: remove duplication of in-memory data This removes duplication of in-memory data during the periodic flushing stage of the mission control store. The existing code entirely duplicates the in-memory cache of the store, which is very wasteful when only a few additional results are being rotated into the store. This has a significant performance penalty specially for wallets that remain online for a long time with a low volume of payments. The worst case scenario are wallets that see at most 1 new payment a second, where the entire in-memory cache is recreated every second. This commit improves the situation by determining what will be the actual changes that need to be committed before initiating the db transaction and only keeping track of these to update the in-memory cache if the db tx is successful. --- routing/missioncontrol_store.go | 108 ++++++++++++++++++++++---------- 1 file changed, 75 insertions(+), 33 deletions(-) diff --git a/routing/missioncontrol_store.go b/routing/missioncontrol_store.go index 975380af61..e149e85458 100644 --- a/routing/missioncontrol_store.go +++ b/routing/missioncontrol_store.go @@ -359,68 +359,98 @@ func (b *missionControlStore) storeResults() error { b.queueCond.L.Unlock() var ( - keys *list.List - keysMap map[string]struct{} + newKeys map[string]struct{} + delKeys []string storeCount int pruneCount int ) + // Create a deduped list of new entries. + newKeys = make(map[string]struct{}, l.Len()) + for e := l.Front(); e != nil; e = e.Next() { + pr, ok := e.Value.(*paymentResult) + if !ok { + return fmt.Errorf("wrong type %T (not *paymentResult)", + e.Value) + } + key := string(getResultKey(pr)) + if _, ok := b.keysMap[key]; ok { + l.Remove(e) + continue + } + if _, ok := newKeys[key]; ok { + l.Remove(e) + continue + } + newKeys[key] = struct{}{} + } + + // Create a list of entries to delete. + toDelete := b.keys.Len() + len(newKeys) - b.maxRecords + if b.maxRecords > 0 && toDelete > 0 { + delKeys = make([]string, 0, toDelete) + + // Delete as many as needed from old keys. + for e := b.keys.Front(); len(delKeys) < toDelete && e != nil; { + key, ok := e.Value.(string) + if !ok { + return fmt.Errorf("wrong type %T (not string)", + e.Value) + } + delKeys = append(delKeys, key) + e = e.Next() + } + + // If more deletions are needed, simply do not add from the + // list of new keys. + for e := l.Front(); len(delKeys) < toDelete && e != nil; { + toDelete-- + pr, ok := e.Value.(*paymentResult) + if !ok { + return fmt.Errorf("wrong type %T (not "+ + "*paymentResult )", e.Value) + } + key := string(getResultKey(pr)) + delete(newKeys, key) + l.Remove(e) + e = l.Front() + } + } + err := kvdb.Update(b.db, func(tx kvdb.RwTx) error { bucket := tx.ReadWriteBucket(resultsKey) for e := l.Front(); e != nil; e = e.Next() { - pr := e.Value.(*paymentResult) + pr, ok := e.Value.(*paymentResult) + if !ok { + return fmt.Errorf("wrong type %T (not "+ + "*paymentResult)", e.Value) + } + // Serialize result into key and value byte slices. k, v, err := serializeResult(pr) if err != nil { return err } - // The store is assumed to be idempotent. It could be - // that the same result is added twice and in that case - // we don't need to put the value again. - if _, ok := keysMap[string(k)]; ok { - continue - } - // Put into results bucket. if err := bucket.Put(k, v); err != nil { return err } - keys.PushBack(string(k)) - keysMap[string(k)] = struct{}{} storeCount++ } // Prune oldest entries. - for { - if b.maxRecords == 0 || keys.Len() <= b.maxRecords { - break - } - - front := keys.Front() - key := front.Value.(string) - + for _, key := range delKeys { if err := bucket.Delete([]byte(key)); err != nil { return err } - - keys.Remove(front) - delete(keysMap, key) pruneCount++ } return nil }, func() { - keys = list.New() - keys.PushBackList(b.keys) - - keysMap = make(map[string]struct{}) - for k := range b.keysMap { - keysMap[k] = struct{}{} - } - storeCount, pruneCount = 0, 0 }) @@ -431,8 +461,20 @@ func (b *missionControlStore) storeResults() error { log.Debugf("Stored mission control results: %d added, %d deleted", storeCount, pruneCount) - b.keys = keys - b.keysMap = keysMap + // DB Update was successful, update the in-memory cache. + for _, key := range delKeys { + delete(b.keysMap, key) + b.keys.Remove(b.keys.Front()) + } + for e := l.Front(); e != nil; e = e.Next() { + pr, ok := e.Value.(*paymentResult) + if !ok { + return fmt.Errorf("wrong type %T (not *paymentResult)", + e.Value) + } + key := string(getResultKey(pr)) + b.keys.PushBack(key) + } return nil } From f39edaa19a26f4e487848ebac9797e14d9ba62c6 Mon Sep 17 00:00:00 2001 From: Matheus Degiovani Date: Thu, 13 Jun 2024 13:48:33 -0300 Subject: [PATCH 046/343] docs: update release notes --- docs/release-notes/release-notes-0.18.1.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index 92ce40a67b..1d66084078 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -74,6 +74,9 @@ ## Breaking Changes ## Performance Improvements +* Mission Control Store [improved performance during DB + flushing](https://github.com/lightningnetwork/lnd/pull/8549) stage. + # Technical and Architectural Updates ## BOLT Spec Updates ## Testing @@ -85,4 +88,5 @@ * Andras Banki-Horvath * Bufo +* Matheus Degiovani * Slyghtning From f1a38714d462abd23ce598c211dc333e1fd75f35 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Thu, 20 Jun 2024 15:03:57 -0700 Subject: [PATCH 047/343] fn: add additional utility methods for Result[T] `NewResult` makes it easy to wrap a normal function call in a result value. `Err` can be used to check the error case of the result without unpacking the entire thing. `AndThen2` allows a caller to compose a function on two results values, with the closure only executing if both values are non-error. --- fn/result.go | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/fn/result.go b/fn/result.go index 11d2d82a4b..cb459bdc85 100644 --- a/fn/result.go +++ b/fn/result.go @@ -10,6 +10,15 @@ type Result[T any] struct { Either[T, error] } +// NewResult creates a new result from a (value, error) tuple. +func NewResult[T any](val T, err error) Result[T] { + if err != nil { + return Err[T](err) + } + + return Ok(val) +} + // Ok creates a new Result with a success value. func Ok[T any](val T) Result[T] { return Result[T]{Either: NewLeft[T, error](val)} @@ -33,6 +42,11 @@ func (r Result[T]) Unpack() (T, error) { return r.left.UnwrapOr(zero), r.right.UnwrapOr(nil) } +// Err exposes the underlying error of the result type as a normal error type. +func (r Result[T]) Err() error { + return r.right.some +} + // IsOk returns true if the Result is a success value. func (r Result[T]) IsOk() bool { return r.IsLeft() @@ -140,3 +154,15 @@ func FlatMap[A, B any](r Result[A], f func(A) Result[B]) Result[B] { func AndThen[A, B any](r Result[A], f func(A) Result[B]) Result[B] { return FlatMap(r, f) } + +// AndThen2 applies a function that returns a Result[C] to the success values +// of two Result types if both exist. +func AndThen2[A, B, C any](ra Result[A], rb Result[B], + f func(A, B) Result[C]) Result[C] { + + return AndThen(ra, func(a A) Result[C] { + return AndThen(rb, func(b B) Result[C] { + return f(a, b) + }) + }) +} From 04f9a4faa4b82af6bfe0da486ac95a1a84cbd037 Mon Sep 17 00:00:00 2001 From: AbelLykens <47113175+AbelLykens@users.noreply.github.com> Date: Fri, 21 Jun 2024 19:27:52 +0200 Subject: [PATCH 048/343] [docs] Update go instructions Building current lnd `0.18` fails with older go (`1.19.7`). * Updated go download path to 1.22.4 * Updated hashes * Added `rm -rf` instructions as per [go.dev instructions](https://go.dev/doc/install) --- docs/INSTALL.md | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/docs/INSTALL.md b/docs/INSTALL.md index d6308c9c37..30afa7bddd 100644 --- a/docs/INSTALL.md +++ b/docs/INSTALL.md @@ -100,16 +100,16 @@ the following commands for your OS: Linux (x86-64) ``` - wget https://dl.google.com/go/go1.19.7.linux-amd64.tar.gz - sha256sum go1.19.7.linux-amd64.tar.gz | awk -F " " '{ print $1 }' + wget https://dl.google.com/go/go1.22.4.linux-amd64.tar.gz + sha256sum go1.22.4.linux-amd64.tar.gz | awk -F " " '{ print $1 }' ``` The final output of the command above should be - `7a75720c9b066ae1750f6bcc7052aba70fa3813f4223199ee2a2315fd3eb533d`. If it + `ba79d4526102575196273416239cca418a651e049c2b099f3159db85e7bade7d`. If it isn't, then the target REPO HAS BEEN MODIFIED, and you shouldn't install this version of Go. If it matches, then proceed to install Go: ``` - sudo tar -C /usr/local -xzf go1.19.7.linux-amd64.tar.gz + sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go1.22.4.linux-amd64.tar.gz export PATH=$PATH:/usr/local/go/bin ``` @@ -118,16 +118,16 @@ the following commands for your OS: Linux (ARMv6) ``` - wget https://dl.google.com/go/go1.19.7.linux-armv6l.tar.gz - sha256sum go1.19.7.linux-armv6l.tar.gz | awk -F " " '{ print $1 }' + wget https://dl.google.com/go/go1.22.4.linux-armv6l.tar.gz + sha256sum go1.22.4.linux-armv6l.tar.gz | awk -F " " '{ print $1 }' ``` The final output of the command above should be - `93b1f621ddfc2c2b4e383e185fa7801e80f8b546918cb96afea2723677928312`. If it + `e2b143fbacbc9cbd448e9ef41ac3981f0488ce849af1cf37e2341d09670661de`. If it isn't, then the target REPO HAS BEEN MODIFIED, and you shouldn't install this version of Go. If it matches, then proceed to install Go: ``` - tar -C /usr/local -xzf go1.19.7.linux-armv6l.tar.gz + sudo rm -rf /usr/local/go && tar -C /usr/local -xzf go1.22.4.linux-armv6l.tar.gz export PATH=$PATH:/usr/local/go/bin ``` From 738253f5e11c1164996c11610b9e8c8a01557d18 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 29 May 2024 16:14:46 -0400 Subject: [PATCH 049/343] routing: assume TLV onion during path finding --- routing/additional_edge.go | 14 ++- routing/additional_edge_test.go | 13 --- routing/blinding_test.go | 4 +- routing/mocks.go | 32 ------ routing/pathfind.go | 13 +-- routing/pathfind_test.go | 175 ++------------------------------ routing/route/route.go | 11 +- 7 files changed, 30 insertions(+), 232 deletions(-) delete mode 100644 routing/mocks.go diff --git a/routing/additional_edge.go b/routing/additional_edge.go index 22cf3032b8..eee17cce1a 100644 --- a/routing/additional_edge.go +++ b/routing/additional_edge.go @@ -25,7 +25,7 @@ type AdditionalEdge interface { // additional edge when being an intermediate hop in a route NOT the // final hop. IntermediatePayloadSize(amount lnwire.MilliSatoshi, expiry uint32, - legacy bool, channelID uint64) uint64 + channelID uint64) uint64 // EdgePolicy returns the policy of the additional edge. EdgePolicy() *models.CachedEdgePolicy @@ -33,7 +33,7 @@ type AdditionalEdge interface { // PayloadSizeFunc defines the interface for the payload size function. type PayloadSizeFunc func(amount lnwire.MilliSatoshi, expiry uint32, - legacy bool, channelID uint64) uint64 + channelID uint64) uint64 // PrivateEdge implements the AdditionalEdge interface. As the name implies it // is used for private route hints that the receiver adds for example to an @@ -50,12 +50,11 @@ func (p *PrivateEdge) EdgePolicy() *models.CachedEdgePolicy { // IntermediatePayloadSize returns the sphinx payload size defined in BOLT04 if // this edge were to be included in a route. func (p *PrivateEdge) IntermediatePayloadSize(amount lnwire.MilliSatoshi, - expiry uint32, legacy bool, channelID uint64) uint64 { + expiry uint32, channelID uint64) uint64 { hop := route.Hop{ AmtToForward: amount, OutgoingTimeLock: expiry, - LegacyPayload: legacy, } return hop.PayloadSize(channelID) @@ -77,11 +76,10 @@ func (b *BlindedEdge) EdgePolicy() *models.CachedEdgePolicy { // IntermediatePayloadSize returns the sphinx payload size defined in BOLT04 if // this edge were to be included in a route. func (b *BlindedEdge) IntermediatePayloadSize(_ lnwire.MilliSatoshi, _ uint32, - _ bool, _ uint64) uint64 { + _ uint64) uint64 { hop := route.Hop{ BlindingPoint: b.blindingPoint, - LegacyPayload: false, EncryptedData: b.cipherText, } @@ -97,11 +95,11 @@ var _ AdditionalEdge = (*BlindedEdge)(nil) // defaultHopPayloadSize is the default payload size of a normal (not-blinded) // hop in the route. func defaultHopPayloadSize(amount lnwire.MilliSatoshi, expiry uint32, - legacy bool, channelID uint64) uint64 { + channelID uint64) uint64 { // The payload size of a cleartext intermediate hop is equal to the // payload size of a private edge therefore we reuse its size function. edge := PrivateEdge{} - return edge.IntermediatePayloadSize(amount, expiry, legacy, channelID) + return edge.IntermediatePayloadSize(amount, expiry, channelID) } diff --git a/routing/additional_edge_test.go b/routing/additional_edge_test.go index b3ea3b5014..b5628c6b7f 100644 --- a/routing/additional_edge_test.go +++ b/routing/additional_edge_test.go @@ -27,24 +27,12 @@ func TestIntermediatePayloadSize(t *testing.T) { nextHop uint64 edge AdditionalEdge }{ - { - name: "Legacy payload private edge", - hop: route.Hop{ - AmtToForward: 1000, - OutgoingTimeLock: 600000, - ChannelID: 3432483437438, - LegacyPayload: true, - }, - nextHop: 1, - edge: &PrivateEdge{}, - }, { name: "Tlv payload private edge", hop: route.Hop{ AmtToForward: 1000, OutgoingTimeLock: 600000, ChannelID: 3432483437438, - LegacyPayload: false, }, nextHop: 1, edge: &PrivateEdge{}, @@ -86,7 +74,6 @@ func TestIntermediatePayloadSize(t *testing.T) { IntermediatePayloadSize( testCase.hop.AmtToForward, testCase.hop.OutgoingTimeLock, - testCase.hop.LegacyPayload, testCase.nextHop, ) diff --git a/routing/blinding_test.go b/routing/blinding_test.go index 69b25c696f..f6327ecd5d 100644 --- a/routing/blinding_test.go +++ b/routing/blinding_test.go @@ -202,10 +202,10 @@ func TestBlindedPaymentToHints(t *testing.T) { // The arguments we use for the payload do not matter as long as // both functions return the same payload. expectedPayloadSize := expectedHint[0].IntermediatePayloadSize( - 0, 0, false, 0, + 0, 0, 0, ) actualPayloadSize := actualHint[0].IntermediatePayloadSize( - 0, 0, false, 0, + 0, 0, 0, ) require.Equal(t, expectedPayloadSize, actualPayloadSize) diff --git a/routing/mocks.go b/routing/mocks.go deleted file mode 100644 index 9c019abc9d..0000000000 --- a/routing/mocks.go +++ /dev/null @@ -1,32 +0,0 @@ -package routing - -import ( - "github.com/lightningnetwork/lnd/channeldb/models" - "github.com/lightningnetwork/lnd/lnwire" - "github.com/stretchr/testify/mock" -) - -// mockAdditionalEdge is a mock of the AdditionalEdge interface. -type mockAdditionalEdge struct{ mock.Mock } - -// IntermediatePayloadSize returns the sphinx payload size defined in BOLT04 if -// this edge were to be included in a route. -func (m *mockAdditionalEdge) IntermediatePayloadSize(amount lnwire.MilliSatoshi, - expiry uint32, legacy bool, channelID uint64) uint64 { - - args := m.Called(amount, expiry, legacy, channelID) - - return args.Get(0).(uint64) -} - -// EdgePolicy return the policy of the mockAdditionalEdge. -func (m *mockAdditionalEdge) EdgePolicy() *models.CachedEdgePolicy { - args := m.Called() - - edgePolicy := args.Get(0) - if edgePolicy == nil { - return nil - } - - return edgePolicy.(*models.CachedEdgePolicy) -} diff --git a/routing/pathfind.go b/routing/pathfind.go index add833ecc7..893cef12a2 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -659,8 +659,7 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, // The payload size of the final hop differ from intermediate hops // and depends on whether the destination is blinded or not. - lastHopPayloadSize := lastHopPayloadSize(r, finalHtlcExpiry, amt, - !features.HasFeature(lnwire.TLVOnionPayloadOptional)) + lastHopPayloadSize := lastHopPayloadSize(r, finalHtlcExpiry, amt) // We can't always assume that the end destination is publicly // advertised to the network so we'll manually include the target node. @@ -882,14 +881,10 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, return } - supportsTlv := fromFeatures.HasFeature( - lnwire.TLVOnionPayloadOptional, - ) - payloadSize = edge.hopPayloadSizeFn( amountToSend, uint32(toNodeDist.incomingCltv), - !supportsTlv, edge.policy.ChannelID, + edge.policy.ChannelID, ) } @@ -1176,7 +1171,7 @@ func getProbabilityBasedDist(weight int64, probability float64, // It depends on the tlv types which are present and also whether the hop is // part of a blinded route or not. func lastHopPayloadSize(r *RestrictParams, finalHtlcExpiry int32, - amount lnwire.MilliSatoshi, legacy bool) uint64 { + amount lnwire.MilliSatoshi) uint64 { if r.BlindedPayment != nil { blindedPath := r.BlindedPayment.BlindedPath.BlindedHops @@ -1186,7 +1181,6 @@ func lastHopPayloadSize(r *RestrictParams, finalHtlcExpiry int32, finalHop := route.Hop{ AmtToForward: amount, OutgoingTimeLock: uint32(finalHtlcExpiry), - LegacyPayload: false, EncryptedData: encryptedData, } if len(blindedPath) == 1 { @@ -1214,7 +1208,6 @@ func lastHopPayloadSize(r *RestrictParams, finalHtlcExpiry int32, AmtToForward: amount, OutgoingTimeLock: uint32(finalHtlcExpiry), CustomRecords: r.DestCustomRecords, - LegacyPayload: legacy, MPP: mpp, AMP: amp, Metadata: r.Metadata, diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 57f723ce64..af2e296bdd 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -763,9 +763,6 @@ func TestPathFinding(t *testing.T) { }, { name: "path finding with additional edges", fn: runPathFindingWithAdditionalEdges, - }, { - name: "path finding max payload restriction", - fn: runPathFindingMaxPayloadRestriction, }, { name: "path finding with redundant additional edges", fn: runPathFindingWithRedundantAdditionalEdges, @@ -1291,122 +1288,6 @@ func runPathFindingWithAdditionalEdges(t *testing.T, useCache bool) { assertExpectedPath(t, graph.aliasMap, path, "songoku", "doge") } -// runPathFindingMaxPayloadRestriction tests the maximum size of a sphinx -// package when creating a route. So we make sure the pathfinder does not return -// a route which is greater than the maximum sphinx package size of 1300 bytes -// defined in BOLT04. -func runPathFindingMaxPayloadRestriction(t *testing.T, useCache bool) { - graph, err := parseTestGraph(t, useCache, basicGraphFilePath) - require.NoError(t, err, "unable to create graph") - - sourceNode, err := graph.graph.SourceNode() - require.NoError(t, err, "unable to fetch source node") - - paymentAmt := lnwire.NewMSatFromSatoshis(100) - - // Create a node doge which is not visible in the graph. - dogePubKeyHex := "03dd46ff29a6941b4a2607525b043ec9b020b3f318a1bf281" + - "536fd7011ec59c882" - dogePubKeyBytes, err := hex.DecodeString(dogePubKeyHex) - require.NoError(t, err, "unable to decode public key") - dogePubKey, err := btcec.ParsePubKey(dogePubKeyBytes) - require.NoError(t, err, "unable to parse public key from bytes") - - doge := &channeldb.LightningNode{} - doge.AddPubKey(dogePubKey) - doge.Alias = "doge" - copy(doge.PubKeyBytes[:], dogePubKeyBytes) - graph.aliasMap["doge"] = doge.PubKeyBytes - - const ( - chanID uint64 = 1337 - finalHtlcExpiry int32 = 0 - ) - - // Create the channel edge going from songoku to doge and later add it - // with the mocked size function to the graph data. - songokuToDogePolicy := &models.CachedEdgePolicy{ - ToNodePubKey: func() route.Vertex { - return doge.PubKeyBytes - }, - ToNodeFeatures: lnwire.EmptyFeatureVector(), - ChannelID: chanID, - FeeBaseMSat: 1, - FeeProportionalMillionths: 1000, - TimeLockDelta: 9, - } - - // The route has 2 hops. The exit hop (doge) and the hop - // (songoku -> doge). The desired path looks like this: - // source -> songoku -> doge - tests := []struct { - name string - mockedPayloadSize uint64 - err error - }{ - { - // The final hop payload size needs to be considered - // as well and because it's treated differently than the - // intermediate hops the following tests choose to use - // the legacy payload format to have a constant final - // hop payload size. - name: "route max payload size (1300)", - mockedPayloadSize: 1300 - sphinx.LegacyHopDataSize, - }, - { - // We increase the enrypted data size by one byte. - name: "route 1 bytes bigger than max " + - "payload", - mockedPayloadSize: 1300 - sphinx.LegacyHopDataSize + 1, - err: errNoPathFound, - }, - } - - for _, testCase := range tests { - testCase := testCase - - t.Run(testCase.name, func(t *testing.T) { - t.Parallel() - - restrictions := *noRestrictions - // No tlv payload, this makes sure the final hop uses - // the legacy payload. - restrictions.DestFeatures = lnwire.EmptyFeatureVector() - - // Create the mocked AdditionalEdge and mock the - // corresponding calls. - mockedEdge := &mockAdditionalEdge{} - - mockedEdge.On("EdgePolicy").Return(songokuToDogePolicy) - - mockedEdge.On("IntermediatePayloadSize", - paymentAmt, uint32(finalHtlcExpiry), true, - chanID).Once(). - Return(testCase.mockedPayloadSize) - - additionalEdges := map[route.Vertex][]AdditionalEdge{ - graph.aliasMap["songoku"]: {mockedEdge}, - } - - path, err := dbFindPath( - graph.graph, additionalEdges, - &mockBandwidthHints{}, &restrictions, - testPathFindingConfig, sourceNode.PubKeyBytes, - doge.PubKeyBytes, paymentAmt, 0, - finalHtlcExpiry, - ) - require.ErrorIs(t, err, testCase.err) - - if err == nil { - assertExpectedPath(t, graph.aliasMap, path, - "songoku", "doge") - } - - mockedEdge.AssertExpectations(t) - }) - } -} - // runPathFindingWithRedundantAdditionalEdges asserts that we are able to find // paths to nodes ignoring additional edges that are already known by self node. func runPathFindingWithRedundantAdditionalEdges(t *testing.T, useCache bool) { @@ -1464,7 +1345,6 @@ func runPathFindingWithRedundantAdditionalEdges(t *testing.T, useCache bool) { // TestNewRoute tests whether the construction of hop payloads by newRoute // is executed correctly. func TestNewRoute(t *testing.T) { - var sourceKey [33]byte sourceVertex := route.Vertex(sourceKey) @@ -1541,8 +1421,6 @@ func TestNewRoute(t *testing.T) { // expectError is true. expectedErrorCode errorCode - expectedTLVPayload bool - expectedMPP *record.MPP }{ { @@ -1586,7 +1464,6 @@ func TestNewRoute(t *testing.T) { expectedTimeLocks: []uint32{1, 1}, expectedTotalAmount: 100130, expectedTotalTimeLock: 6, - expectedTLVPayload: true, }, { // For a two hop payment, only the fee for the first hop // needs to be paid. The destination hop does not require @@ -1603,7 +1480,6 @@ func TestNewRoute(t *testing.T) { expectedTimeLocks: []uint32{1, 1}, expectedTotalAmount: 100130, expectedTotalTimeLock: 6, - expectedTLVPayload: true, expectedMPP: record.NewMPP( 100000, testPaymentAddr, ), @@ -1717,14 +1593,6 @@ func TestNewRoute(t *testing.T) { } finalHop := route.Hops[len(route.Hops)-1] - if !finalHop.LegacyPayload != - testCase.expectedTLVPayload { - - t.Errorf("Expected final hop tlv payload: %t, "+ - "but got: %t instead", - testCase.expectedTLVPayload, - !finalHop.LegacyPayload) - } if !reflect.DeepEqual( finalHop.MPP, testCase.expectedMPP, @@ -1787,9 +1655,9 @@ func TestNewRoute(t *testing.T) { func runNewRoutePathTooLong(t *testing.T, useCache bool) { var testChannels []*testChannel - // Setup a linear network of 21 hops. + // Setup a linear network of 26 hops. fromNode := "start" - for i := 0; i < 21; i++ { + for i := 0; i < 26; i++ { toNode := fmt.Sprintf("node-%v", i+1) c := symmetricTestChannel(fromNode, toNode, 100000, &testChannelPolicy{ Expiry: 144, @@ -1804,18 +1672,16 @@ func runNewRoutePathTooLong(t *testing.T, useCache bool) { ctx := newPathFindingTestContext(t, useCache, testChannels, "start") - // Assert that we can find 20 hop routes. - node20 := ctx.keyFromAlias("node-20") + // Assert that we can find 25 hop routes. + node25 := ctx.keyFromAlias("node-25") payAmt := lnwire.MilliSatoshi(100001) - _, err := ctx.findPath(node20, payAmt) + _, err := ctx.findPath(node25, payAmt) require.NoError(t, err, "unexpected pathfinding failure") - // Assert that finding a 21 hop route fails. - node21 := ctx.keyFromAlias("node-21") - _, err = ctx.findPath(node21, payAmt) - if err != errNoPathFound { - t.Fatalf("not route error expected, but got %v", err) - } + // Assert that finding a 26 hop route fails. + node26 := ctx.keyFromAlias("node-26") + _, err = ctx.findPath(node26, payAmt) + require.ErrorIs(t, err, errNoPathFound) // Assert that we can't find a 20 hop route if custom records make it // exceed the maximum payload size. @@ -1823,7 +1689,7 @@ func runNewRoutePathTooLong(t *testing.T, useCache bool) { ctx.restrictParams.DestCustomRecords = map[uint64][]byte{ 100000: bytes.Repeat([]byte{1}, 100), } - _, err = ctx.findPath(node20, payAmt) + _, err = ctx.findPath(node25, payAmt) if err != errNoPathFound { t.Fatalf("not route error expected, but got %v", err) } @@ -3675,7 +3541,6 @@ func TestLastHopPayloadSize(t *testing.T) { restrictions *RestrictParams finalHopExpiry int32 amount lnwire.MilliSatoshi - legacy bool }{ { name: "Non blinded final hop", @@ -3687,22 +3552,6 @@ func TestLastHopPayloadSize(t *testing.T) { }, amount: amtToForward, finalHopExpiry: finalHopExpiry, - legacy: false, - }, - { - name: "Non blinded final hop legacy", - restrictions: &RestrictParams{ - // The legacy encoding has no ability to include - // those extra data we expect that this data is - // ignored. - PaymentAddr: paymentAddr, - DestCustomRecords: customRecords, - Metadata: metadata, - Amp: ampOptions, - }, - amount: amtToForward, - finalHopExpiry: finalHopExpiry, - legacy: true, }, { name: "Blinded final hop introduction point", @@ -3754,7 +3603,6 @@ func TestLastHopPayloadSize(t *testing.T) { finalHop = route.Hop{ AmtToForward: tc.amount, OutgoingTimeLock: uint32(tc.finalHopExpiry), - LegacyPayload: false, EncryptedData: blindedPath[len(blindedPath)-1].CipherText, } if len(blindedPath) == 1 { @@ -3763,7 +3611,6 @@ func TestLastHopPayloadSize(t *testing.T) { } else { //nolint:lll finalHop = route.Hop{ - LegacyPayload: tc.legacy, AmtToForward: tc.amount, OutgoingTimeLock: uint32(tc.finalHopExpiry), Metadata: tc.restrictions.Metadata, @@ -3778,7 +3625,7 @@ func TestLastHopPayloadSize(t *testing.T) { expectedPayloadSize := lastHopPayloadSize( tc.restrictions, tc.finalHopExpiry, - tc.amount, tc.legacy, + tc.amount, ) require.Equal( diff --git a/routing/route/route.go b/routing/route/route.go index 934a36ec1f..0516cc7a22 100644 --- a/routing/route/route.go +++ b/routing/route/route.go @@ -133,6 +133,11 @@ type Hop struct { // LegacyPayload if true, then this signals that this node doesn't // understand the new TLV payload, so we must instead use the legacy // payload. + // + // NOTE: we should no longer ever create a Hop with Legacy set to true. + // The only reason we are keeping this member is that it could be the + // case that we have serialised hops persisted to disk where + // LegacyPayload is true. LegacyPayload bool // Metadata is additional data that is sent along with the payment to @@ -190,7 +195,7 @@ func (h *Hop) PackHopPayload(w io.Writer, nextChanID uint64, // If this is a legacy payload, then we'll exit here as this method // shouldn't be called. - if h.LegacyPayload == true { + if h.LegacyPayload { return fmt.Errorf("cannot pack hop payloads for legacy " + "payloads") } @@ -370,8 +375,8 @@ func validateNextChanID(nextChanIDIsSet, isBlinded, finalHop bool) error { } } -// Size returns the total size this hop's payload would take up in the onion -// packet. +// PayloadSize returns the total size this hop's payload would take up in the +// onion packet. func (h *Hop) PayloadSize(nextChanID uint64) uint64 { if h.LegacyPayload { return sphinx.LegacyHopDataSize From 99b3c57b7fcce9b51fc3c5782d0296c32e0b4aaa Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 29 May 2024 16:18:12 -0400 Subject: [PATCH 050/343] routing: assume TLV onion during route construction --- routing/pathfind.go | 16 +--------------- routing/pathfind_test.go | 40 ++++++++++++++++++---------------------- 2 files changed, 19 insertions(+), 37 deletions(-) diff --git a/routing/pathfind.go b/routing/pathfind.go index 893cef12a2..32302b941e 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -161,7 +161,6 @@ func newRoute(sourceVertex route.Vertex, fee int64 totalAmtMsatBlinded lnwire.MilliSatoshi outgoingTimeLock uint32 - tlvPayload bool customRecords record.CustomSet mpp *record.MPP metadata []byte @@ -180,13 +179,6 @@ func newRoute(sourceVertex route.Vertex, return edge.ToNodeFeatures.HasFeature(feature) } - // We start by assuming the node doesn't support TLV. We'll now - // inspect the node's feature vector to see if we can promote - // the hop. We assume already that the feature vector's - // transitive dependencies have already been validated by path - // finding or some other means. - tlvPayload = supports(lnwire.TLVOnionPayloadOptional) - if i == len(pathEdges)-1 { // If this is the last hop, then the hop payload will // contain the exact amount. In BOLT #4: Onion Routing @@ -204,12 +196,7 @@ func newRoute(sourceVertex route.Vertex, totalTimeLock += uint32(finalHop.cltvDelta) outgoingTimeLock = totalTimeLock - // Attach any custom records to the final hop if the - // receiver supports TLV. - if !tlvPayload && finalHop.records != nil { - return nil, errors.New("cannot attach " + - "custom records") - } + // Attach any custom records to the final hop. customRecords = finalHop.records // If we're attaching a payment addr but the receiver @@ -275,7 +262,6 @@ func newRoute(sourceVertex route.Vertex, ChannelID: edge.ChannelID, AmtToForward: amtToForward, OutgoingTimeLock: outgoingTimeLock, - LegacyPayload: !tlvPayload, CustomRecords: customRecords, MPP: mpp, Metadata: metadata, diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index af2e296bdd..51859adf6d 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3,7 +3,6 @@ package routing import ( "bytes" "crypto/sha256" - "encoding/binary" "encoding/hex" "encoding/json" "errors" @@ -25,6 +24,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/htlcswitch" + switchhop "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" @@ -1030,7 +1030,8 @@ var basicGraphPathFindingTests = []basicGraphPathFindingTestCase{ // Basic route with fee limit. {target: "sophon", paymentAmt: 100, feeLimit: 50, expectFailureNoPath: true, - }} + }, +} func runBasicGraphPathFinding(t *testing.T, useCache bool) { testGraphInstance, err := parseTestGraph(t, useCache, basicGraphFilePath) @@ -1123,32 +1124,27 @@ func testBasicGraphPathFindingCase(t *testing.T, graphInstance *testGraphInstanc // Hops should point to the next hop for i := 0; i < len(expectedHops)-1; i++ { - var expectedHop [8]byte - binary.BigEndian.PutUint64(expectedHop[:], route.Hops[i+1].ChannelID) - - hopData, err := sphinxPath[i].HopPayload.HopData() - if err != nil { - t.Fatalf("unable to make hop data: %v", err) - } + payload, _, err := switchhop.ParseTLVPayload( + bytes.NewReader(sphinxPath[i].HopPayload.Payload), + ) + require.NoError(t, err) - if !bytes.Equal(hopData.NextAddress[:], expectedHop[:]) { - t.Fatalf("first hop has incorrect next hop: expected %x, got %x", - expectedHop[:], hopData.NextAddress[:]) - } + require.Equal( + t, route.Hops[i+1].ChannelID, + payload.FwdInfo.NextHop.ToUint64(), + ) } - // The final hop should have a next hop value of all zeroes in order - // to indicate it's the exit hop. - var exitHop [8]byte lastHopIndex := len(expectedHops) - 1 - hopData, err := sphinxPath[lastHopIndex].HopPayload.HopData() - require.NoError(t, err, "unable to create hop data") + payload, _, err := switchhop.ParseTLVPayload( + bytes.NewReader(sphinxPath[lastHopIndex].HopPayload.Payload), + ) + require.NoError(t, err) - if !bytes.Equal(hopData.NextAddress[:], exitHop[:]) { - t.Fatalf("first hop has incorrect next hop: expected %x, got %x", - exitHop[:], hopData.NextAddress) - } + // The final hop should have a next hop value of all zeroes in order + // to indicate it's the exit hop. + require.Zero(t, payload.FwdInfo.NextHop.ToUint64()) var expectedTotalFee lnwire.MilliSatoshi for i := 0; i < expectedHopCount; i++ { From 738206fa96ecd066285d85126a47b989eac5e7ce Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 18 Jun 2024 16:21:00 -0700 Subject: [PATCH 051/343] docs: add release notes entry --- docs/release-notes/release-notes-0.18.1.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index 1d66084078..644ed5a992 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -79,6 +79,11 @@ # Technical and Architectural Updates ## BOLT Spec Updates + +* Start assuming that all hops used during path-finding and route construction + [support the TLV onion + format](https://github.com/lightningnetwork/lnd/pull/8791). + ## Testing ## Database ## Code Health @@ -88,5 +93,6 @@ * Andras Banki-Horvath * Bufo +* Elle Mouton * Matheus Degiovani * Slyghtning From 3b4106ca00bf521ff20ba16703524caf0eb2253b Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 25 Jun 2024 18:02:00 +0800 Subject: [PATCH 052/343] mod: update `btcd` and `btcwallet` versions --- go.mod | 4 ++-- go.sum | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/go.mod b/go.mod index 8d06839328..60b6c5e61b 100644 --- a/go.mod +++ b/go.mod @@ -4,13 +4,13 @@ require ( github.com/NebulousLabs/go-upnp v0.0.0-20180202185039-29b680b06c82 github.com/Yawning/aez v0.0.0-20211027044916-e49e68abd344 github.com/andybalholm/brotli v1.0.4 - github.com/btcsuite/btcd v0.24.2-beta.rc1.0.20240403021926-ae5533602c46 + github.com/btcsuite/btcd v0.24.2-beta.rc1.0.20240625142744-cc26860b4026 github.com/btcsuite/btcd/btcec/v2 v2.3.3 github.com/btcsuite/btcd/btcutil v1.1.5 github.com/btcsuite/btcd/btcutil/psbt v1.1.8 github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f - github.com/btcsuite/btcwallet v0.16.10-0.20240404104514-b2f31f9045fb + github.com/btcsuite/btcwallet v0.16.10-0.20240625163855-b42ed59f0528 github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4 github.com/btcsuite/btcwallet/wallet/txrules v1.2.1 github.com/btcsuite/btcwallet/walletdb v1.4.2 diff --git a/go.sum b/go.sum index 2f83baf01b..280c4f2845 100644 --- a/go.sum +++ b/go.sum @@ -73,8 +73,8 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ= github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M= github.com/btcsuite/btcd v0.23.5-0.20231215221805-96c9fd8078fd/go.mod h1:nm3Bko6zh6bWP60UxwoT5LzdGJsQJaPo6HjduXq9p6A= -github.com/btcsuite/btcd v0.24.2-beta.rc1.0.20240403021926-ae5533602c46 h1:tjpNTdZNQqE14menwDGAxWfzN0DFHVTXFEyEL8yvA/4= -github.com/btcsuite/btcd v0.24.2-beta.rc1.0.20240403021926-ae5533602c46/go.mod h1:5C8ChTkl5ejr3WHj8tkQSCmydiMEPB0ZhQhehpq7Dgg= +github.com/btcsuite/btcd v0.24.2-beta.rc1.0.20240625142744-cc26860b4026 h1:s8/96vQSj05bqLl9RyM/eMX8gLtiayEj520TVE4YGy0= +github.com/btcsuite/btcd v0.24.2-beta.rc1.0.20240625142744-cc26860b4026/go.mod h1:5C8ChTkl5ejr3WHj8tkQSCmydiMEPB0ZhQhehpq7Dgg= github.com/btcsuite/btcd/btcec/v2 v2.1.0/go.mod h1:2VzYrv4Gm4apmbVVsSq5bqf1Ec8v56E48Vt0Y/umPgA= github.com/btcsuite/btcd/btcec/v2 v2.1.3/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE= github.com/btcsuite/btcd/btcec/v2 v2.3.3 h1:6+iXlDKE8RMtKsvK0gshlXIuPbyWM/h84Ensb7o3sC0= @@ -92,8 +92,8 @@ github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0/go.mod h1:7SFka0XMvUgj3hfZtyd github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo= github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA= github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg= -github.com/btcsuite/btcwallet v0.16.10-0.20240404104514-b2f31f9045fb h1:qoIOlBPRZWtfpcbQlNFf67Wz8ZlXo+mxQc9Pnbm/iqU= -github.com/btcsuite/btcwallet v0.16.10-0.20240404104514-b2f31f9045fb/go.mod h1:2C3Q/MhYAKmk7F+Tey6LfKtKRTdQsrCf8AAAzzDPmH4= +github.com/btcsuite/btcwallet v0.16.10-0.20240625163855-b42ed59f0528 h1:DZRmr47CdPnNglwEVACPnJnGrfb/GBGyoGs5oqvLFg4= +github.com/btcsuite/btcwallet v0.16.10-0.20240625163855-b42ed59f0528/go.mod h1:SLFUSQbP8ON/wxholYMfVLvGPJyk7boczOW/ob+nww4= github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4 h1:poyHFf7+5+RdxNp5r2T6IBRD7RyraUsYARYbp/7t4D8= github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4/go.mod h1:GETGDQuyq+VFfH1S/+/7slLM/9aNa4l7P4ejX6dJfb0= github.com/btcsuite/btcwallet/wallet/txrules v1.2.1 h1:UZo7YRzdHbwhK7Rhv3PO9bXgTxiOH45edK5qdsdiatk= From 7fd099b146155680d70cd1cb8d29e19bc58eb6a5 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 26 Jun 2024 01:44:00 +0800 Subject: [PATCH 053/343] docs: update release notes and add notes for `0.18.2` --- docs/release-notes/release-notes-0.18.1.md | 57 +------------ docs/release-notes/release-notes-0.18.2.md | 98 ++++++++++++++++++++++ 2 files changed, 102 insertions(+), 53 deletions(-) create mode 100644 docs/release-notes/release-notes-0.18.2.md diff --git a/docs/release-notes/release-notes-0.18.1.md b/docs/release-notes/release-notes-0.18.1.md index 644ed5a992..4e48f639df 100644 --- a/docs/release-notes/release-notes-0.18.1.md +++ b/docs/release-notes/release-notes-0.18.1.md @@ -19,71 +19,26 @@ # Bug Fixes -* `closedchannels` now [successfully reports](https://github.com/lightningnetwork/lnd/pull/8800) - settled balances even if the delivery address is set to an address that - LND does not control. - -* [SendPaymentV2](https://github.com/lightningnetwork/lnd/pull/8734) now cancels - the background payment loop if the user cancels the stream context. - -* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8822) that caused - LND to read the config only partially and continued with the startup. +* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8862) in error + matching from publishing transactions that can cause the broadcast process to + fail if `btcd` with an older version (pre-`v0.24.2`) is used. # New Features ## Functional Enhancements ## RPC Additions - -* The [SendPaymentRequest](https://github.com/lightningnetwork/lnd/pull/8734) - message receives a new flag `cancelable` which indicates if the payment loop - is cancelable. The cancellation can either occur manually by cancelling the - send payment stream context, or automatically at the end of the timeout period - if the user provided `timeout_seconds`. - ## lncli Additions -* [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` - argument to `addinvoice` and `addholdinvoice`, allowing users to set the - `min_final_cltv_expiry_delta`. - -* The [`lncli wallet estimatefeerate`](https://github.com/lightningnetwork/lnd/pull/8730) - command returns the fee rate estimate for on-chain transactions in sat/kw and - sat/vb to achieve a given confirmation target. - # Improvements ## Functional Updates ## RPC Updates - -* [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) - now accepts `0` failure amounts. - -* [`ChanInfoRequest`](https://github.com/lightningnetwork/lnd/pull/8813) - adds support for channel points. - ## lncli Updates - -* [`importmc`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts - `0` failure amounts. - -* [`getchaninfo`](https://github.com/lightningnetwork/lnd/pull/8813) now accepts - a channel outpoint besides a channel id. - -* [Fixed](https://github.com/lightningnetwork/lnd/pull/8823) how we parse the - `--amp` flag when sending a payment specifying the payment request. - ## Code Health ## Breaking Changes ## Performance Improvements -* Mission Control Store [improved performance during DB - flushing](https://github.com/lightningnetwork/lnd/pull/8549) stage. - # Technical and Architectural Updates ## BOLT Spec Updates -* Start assuming that all hops used during path-finding and route construction - [support the TLV onion - format](https://github.com/lightningnetwork/lnd/pull/8791). - ## Testing ## Database ## Code Health @@ -91,8 +46,4 @@ # Contributors (Alphabetical Order) -* Andras Banki-Horvath -* Bufo -* Elle Mouton -* Matheus Degiovani -* Slyghtning +* Yyforyongyu diff --git a/docs/release-notes/release-notes-0.18.2.md b/docs/release-notes/release-notes-0.18.2.md new file mode 100644 index 0000000000..644ed5a992 --- /dev/null +++ b/docs/release-notes/release-notes-0.18.2.md @@ -0,0 +1,98 @@ +# Release Notes +- [Bug Fixes](#bug-fixes) +- [New Features](#new-features) + - [Functional Enhancements](#functional-enhancements) + - [RPC Additions](#rpc-additions) + - [lncli Additions](#lncli-additions) +- [Improvements](#improvements) + - [Functional Updates](#functional-updates) + - [RPC Updates](#rpc-updates) + - [lncli Updates](#lncli-updates) + - [Breaking Changes](#breaking-changes) + - [Performance Improvements](#performance-improvements) +- [Technical and Architectural Updates](#technical-and-architectural-updates) + - [BOLT Spec Updates](#bolt-spec-updates) + - [Testing](#testing) + - [Database](#database) + - [Code Health](#code-health) + - [Tooling and Documentation](#tooling-and-documentation) + +# Bug Fixes + +* `closedchannels` now [successfully reports](https://github.com/lightningnetwork/lnd/pull/8800) + settled balances even if the delivery address is set to an address that + LND does not control. + +* [SendPaymentV2](https://github.com/lightningnetwork/lnd/pull/8734) now cancels + the background payment loop if the user cancels the stream context. + +* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8822) that caused + LND to read the config only partially and continued with the startup. + +# New Features +## Functional Enhancements +## RPC Additions + +* The [SendPaymentRequest](https://github.com/lightningnetwork/lnd/pull/8734) + message receives a new flag `cancelable` which indicates if the payment loop + is cancelable. The cancellation can either occur manually by cancelling the + send payment stream context, or automatically at the end of the timeout period + if the user provided `timeout_seconds`. + +## lncli Additions + +* [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` + argument to `addinvoice` and `addholdinvoice`, allowing users to set the + `min_final_cltv_expiry_delta`. + +* The [`lncli wallet estimatefeerate`](https://github.com/lightningnetwork/lnd/pull/8730) + command returns the fee rate estimate for on-chain transactions in sat/kw and + sat/vb to achieve a given confirmation target. + +# Improvements +## Functional Updates +## RPC Updates + +* [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) + now accepts `0` failure amounts. + +* [`ChanInfoRequest`](https://github.com/lightningnetwork/lnd/pull/8813) + adds support for channel points. + +## lncli Updates + +* [`importmc`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts + `0` failure amounts. + +* [`getchaninfo`](https://github.com/lightningnetwork/lnd/pull/8813) now accepts + a channel outpoint besides a channel id. + +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8823) how we parse the + `--amp` flag when sending a payment specifying the payment request. + +## Code Health +## Breaking Changes +## Performance Improvements + +* Mission Control Store [improved performance during DB + flushing](https://github.com/lightningnetwork/lnd/pull/8549) stage. + +# Technical and Architectural Updates +## BOLT Spec Updates + +* Start assuming that all hops used during path-finding and route construction + [support the TLV onion + format](https://github.com/lightningnetwork/lnd/pull/8791). + +## Testing +## Database +## Code Health +## Tooling and Documentation + +# Contributors (Alphabetical Order) + +* Andras Banki-Horvath +* Bufo +* Elle Mouton +* Matheus Degiovani +* Slyghtning From b300da8446bcc4dfa7f13fcacf99400f6baf6237 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Wed, 26 Jun 2024 23:03:28 +0200 Subject: [PATCH 054/343] routing: assume TLV payloads everywhere This commit removes another check for TLV payload support of the destination node. We assume TLV payloads as the default everywhere else, so we just remove two checks that were previously forgotten. --- routing/pathfind.go | 26 ++++---------------------- routing/pathfind_test.go | 40 ---------------------------------------- 2 files changed, 4 insertions(+), 62 deletions(-) diff --git a/routing/pathfind.go b/routing/pathfind.go index 32302b941e..fbe4b58308 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -543,34 +543,16 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, return nil, 0, errMissingDependentFeature } - // Now that we know the feature vector is well formed, we'll proceed in - // checking that it supports the features we need, given our - // restrictions on the final hop. - - // If the caller needs to send custom records, check that our - // destination feature vector supports TLV. - if len(r.DestCustomRecords) > 0 && - !features.HasFeature(lnwire.TLVOnionPayloadOptional) { - - return nil, 0, errNoTlvPayload - } - - // If the caller has a payment address to attach, check that our - // destination feature vector supports them. + // Now that we know the feature vector is well-formed, we'll proceed in + // checking that it supports the features we need. If the caller has a + // payment address to attach, check that our destination feature vector + // supports them. if r.PaymentAddr != nil && !features.HasFeature(lnwire.PaymentAddrOptional) { return nil, 0, errNoPaymentAddr } - // If the caller needs to send custom records, check that our - // destination feature vector supports TLV. - if r.Metadata != nil && - !features.HasFeature(lnwire.TLVOnionPayloadOptional) { - - return nil, 0, errNoTlvPayload - } - // Set up outgoing channel map for quicker access. var outgoingChanMap map[uint64]struct{} if len(r.OutgoingChannelIDs) > 0 { diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 51859adf6d..06005716f5 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -882,13 +882,6 @@ func runFindPathWithMetadata(t *testing.T, useCache bool) { _, err = ctx.findPath(target, paymentAmt) require.ErrorIs(t, errNoPathFound, err) - - // Assert that tlv payload support takes precedence over metadata - // issues. - ctx.restrictParams.DestFeatures = lnwire.EmptyFeatureVector() - - _, err = ctx.findPath(target, paymentAmt) - require.ErrorIs(t, errNoTlvPayload, err) } // runFindLowestFeePath tests that out of two routes with identical total @@ -1261,20 +1254,6 @@ func runPathFindingWithAdditionalEdges(t *testing.T, useCache bool) { restrictions := *noRestrictions restrictions.DestCustomRecords = record.CustomSet{70000: []byte{}} - _, err = find(&restrictions) - if err != errNoTlvPayload { - t.Fatalf("path shouldn't have been found: %v", err) - } - - // Set empty dest features so we don't try the fallback. We should still - // fail since the tlv feature isn't set. - restrictions.DestFeatures = lnwire.EmptyFeatureVector() - - _, err = find(&restrictions) - if err != errNoTlvPayload { - t.Fatalf("path shouldn't have been found: %v", err) - } - // Finally, set the tlv feature in the payload and assert we found the // same path as before. restrictions.DestFeatures = tlvFeatures @@ -1775,31 +1754,12 @@ func runDestTLVGraphFallback(t *testing.T, useCache bool) { // Add custom records w/o any dest features. restrictions.DestCustomRecords = record.CustomSet{70000: []byte{}} - // Path to luoji should fail because his node ann features are empty. - _, err = find(&restrictions, luoji) - if err != errNoTlvPayload { - t.Fatalf("path shouldn't have been found: %v", err) - } - // However, path to satoshi should succeed via the fallback because his // node ann features have the TLV bit. path, err := find(&restrictions, satoshi) require.NoError(t, err, "path should have been found") assertExpectedPath(t, ctx.testGraphInstance.aliasMap, path, "satoshi") - // Add empty destination features. This should cause both paths to fail, - // since this override anything in the graph. - restrictions.DestFeatures = lnwire.EmptyFeatureVector() - - _, err = find(&restrictions, luoji) - if err != errNoTlvPayload { - t.Fatalf("path shouldn't have been found: %v", err) - } - _, err = find(&restrictions, satoshi) - if err != errNoTlvPayload { - t.Fatalf("path shouldn't have been found: %v", err) - } - // Finally, set the TLV dest feature. We should succeed in finding a // path to luoji. restrictions.DestFeatures = tlvFeatures From 3ceb7d5887eedbeae81f57806542d56ed1a63b37 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Wed, 26 Jun 2024 14:28:21 -0700 Subject: [PATCH 055/343] docs: update release notes --- docs/release-notes/release-notes-0.18.2.md | 1 + 1 file changed, 1 insertion(+) diff --git a/docs/release-notes/release-notes-0.18.2.md b/docs/release-notes/release-notes-0.18.2.md index 644ed5a992..78370fc25e 100644 --- a/docs/release-notes/release-notes-0.18.2.md +++ b/docs/release-notes/release-notes-0.18.2.md @@ -95,4 +95,5 @@ * Bufo * Elle Mouton * Matheus Degiovani +* Oliver Gugger * Slyghtning From 1c65c3d072683da78be15beb257db0ee91bc5b8c Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 13 Jun 2024 14:27:06 -0400 Subject: [PATCH 056/343] funding: allow AcceptChannel with min depth of zero Even if the channel type is not zero conf. We will still use a min depth of at least 1. We just dont fail if our peer indicates trust. --- funding/manager.go | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/funding/manager.go b/funding/manager.go index c3a839277a..67e4f33c5c 100644 --- a/funding/manager.go +++ b/funding/manager.go @@ -2020,19 +2020,22 @@ func (f *Manager) funderProcessAcceptChannel(peer lnpeer.Peer, return } - // Fail early if minimum depth is set to 0 and the channel is not - // zero-conf. - if !resCtx.reservation.IsZeroConf() && msg.MinAcceptDepth == 0 { - err = fmt.Errorf("non-zero-conf channel has min depth zero") - log.Warn(err) - f.failFundingFlow(peer, cid, err) - return + // If this is not a zero-conf channel but the peer responded with a + // min-depth of zero, we will use our minimum of 1 instead. + minDepth := msg.MinAcceptDepth + if !resCtx.reservation.IsZeroConf() && minDepth == 0 { + log.Infof("Responder to pending_id=%v sent a minimum "+ + "confirmation depth of 0 for non-zero-conf channel. "+ + "We will use a minimum depth of 1 instead.", + cid.tempChanID) + + minDepth = 1 } // We'll also specify the responder's preference for the number of // required confirmations, and also the set of channel constraints // they've specified for commitment states we can create. - resCtx.reservation.SetNumConfsRequired(uint16(msg.MinAcceptDepth)) + resCtx.reservation.SetNumConfsRequired(uint16(minDepth)) channelConstraints := &channeldb.ChannelConstraints{ DustLimit: msg.DustLimit, ChanReserve: msg.ChannelReserve, From 9d1320a2d09d03cc43f185bffaae83a0d71e53fa Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 13 Jun 2024 14:34:07 -0400 Subject: [PATCH 057/343] docs: add release notes entry --- docs/release-notes/release-notes-0.18.2.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.2.md b/docs/release-notes/release-notes-0.18.2.md index 78370fc25e..e2216bc700 100644 --- a/docs/release-notes/release-notes-0.18.2.md +++ b/docs/release-notes/release-notes-0.18.2.md @@ -84,6 +84,11 @@ [support the TLV onion format](https://github.com/lightningnetwork/lnd/pull/8791). +* Allow channel fundee to send a [minimum confirmation depth of + 0](https://github.com/lightningnetwork/lnd/pull/8796) for a non-zero-conf + channel. We will still wait for the channel to have at least one confirmation + and so the main change here is that we don't error out for such a case. + ## Testing ## Database ## Code Health From e45ed86263f72b1e8c579742d8ebc9d4621c9e18 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 21 Jun 2024 18:31:43 +0200 Subject: [PATCH 058/343] invoices: fix and correctly cover paginated queries Previously paginated queries offseted the add_index_get, add_index_let, settle_index_get and settle_index_let parameters with the paginators current page offset, however this was incorrect as we can just use SQL's LIMIT/OFFSET to paginate. This commit fixes this issue and adds an optional parameter to the constructor of the invoice SQL store to set page size. This is useful when testing as we can now cover pagination correctly with our existing unit tests. --- invoices/invoices_test.go | 9 +++- invoices/sql_store.go | 91 ++++++++++++++++++++++----------------- 2 files changed, 59 insertions(+), 41 deletions(-) diff --git a/invoices/invoices_test.go b/invoices/invoices_test.go index 71da385714..aa4aa6a709 100644 --- a/invoices/invoices_test.go +++ b/invoices/invoices_test.go @@ -249,7 +249,14 @@ func TestInvoices(t *testing.T) { testClock := clock.NewTestClock(testNow) - return invpkg.NewSQLStore(executor, testClock) + // We'll use a pagination limit of 3 for all tests to ensure + // that we also cover query pagination. + const testPaginationLimit = 3 + + return invpkg.NewSQLStore( + executor, testClock, + invpkg.WithPaginationLimit(testPaginationLimit), + ) } for _, test := range testList { diff --git a/invoices/sql_store.go b/invoices/sql_store.go index bcf3c1f892..21254ddef5 100644 --- a/invoices/sql_store.go +++ b/invoices/sql_store.go @@ -20,9 +20,9 @@ import ( ) const ( - // queryPaginationLimit is used in the LIMIT clause of the SQL queries - // to limit the number of rows returned. - queryPaginationLimit = 100 + // defaultQueryPaginationLimit is used in the LIMIT clause of the SQL + // queries to limit the number of rows returned. + defaultQueryPaginationLimit = 100 ) // SQLInvoiceQueries is an interface that defines the set of operations that can @@ -152,16 +152,47 @@ type BatchedSQLInvoiceQueries interface { type SQLStore struct { db BatchedSQLInvoiceQueries clock clock.Clock + opts SQLStoreOptions +} + +// SQLStoreOptions holds the options for the SQL store. +type SQLStoreOptions struct { + paginationLimit int +} + +// defaultSQLStoreOptions returns the default options for the SQL store. +func defaultSQLStoreOptions() SQLStoreOptions { + return SQLStoreOptions{ + paginationLimit: defaultQueryPaginationLimit, + } +} + +// SQLStoreOption is a functional option that can be used to optionally modify +// the behavior of the SQL store. +type SQLStoreOption func(*SQLStoreOptions) + +// WithPaginationLimit sets the pagination limit for the SQL store queries that +// paginate results. +func WithPaginationLimit(limit int) SQLStoreOption { + return func(o *SQLStoreOptions) { + o.paginationLimit = limit + } } // NewSQLStore creates a new SQLStore instance given a open // BatchedSQLInvoiceQueries storage backend. func NewSQLStore(db BatchedSQLInvoiceQueries, - clock clock.Clock) *SQLStore { + clock clock.Clock, options ...SQLStoreOption) *SQLStore { + + opts := defaultSQLStoreOptions() + for _, applyOption := range options { + applyOption(&opts) + } return &SQLStore{ db: db, clock: clock, + opts: opts, } } @@ -617,13 +648,11 @@ func (i *SQLStore) FetchPendingInvoices(ctx context.Context) ( readTxOpt := NewSQLInvoiceQueryReadTx() err := i.db.ExecTx(ctx, &readTxOpt, func(db SQLInvoiceQueries) error { - limit := queryPaginationLimit - return queryWithLimit(func(offset int) (int, error) { params := sqlc.FilterInvoicesParams{ PendingOnly: true, NumOffset: int32(offset), - NumLimit: int32(limit), + NumLimit: int32(i.opts.paginationLimit), Reverse: false, } @@ -646,7 +675,7 @@ func (i *SQLStore) FetchPendingInvoices(ctx context.Context) ( } return len(rows), nil - }, limit) + }, i.opts.paginationLimit) }, func() { invoices = make(map[lntypes.Hash]Invoice) }) @@ -660,8 +689,7 @@ func (i *SQLStore) FetchPendingInvoices(ctx context.Context) ( // InvoicesSettledSince can be used by callers to catch up any settled invoices // they missed within the settled invoice time series. We'll return all known -// settled invoice that have a settle index higher than the passed -// sinceSettleIndex. +// settled invoice that have a settle index higher than the passed idx. // // NOTE: The index starts from 1. As a result we enforce that specifying a value // below the starting index value is a noop. @@ -676,14 +704,11 @@ func (i *SQLStore) InvoicesSettledSince(ctx context.Context, idx uint64) ( readTxOpt := NewSQLInvoiceQueryReadTx() err := i.db.ExecTx(ctx, &readTxOpt, func(db SQLInvoiceQueries) error { - settleIdx := idx - limit := queryPaginationLimit - err := queryWithLimit(func(offset int) (int, error) { params := sqlc.FilterInvoicesParams{ - SettleIndexGet: sqldb.SQLInt64(settleIdx + 1), - NumLimit: int32(limit), + SettleIndexGet: sqldb.SQLInt64(idx + 1), NumOffset: int32(offset), + NumLimit: int32(i.opts.paginationLimit), Reverse: false, } @@ -707,10 +732,8 @@ func (i *SQLStore) InvoicesSettledSince(ctx context.Context, idx uint64) ( invoices = append(invoices, *invoice) } - settleIdx += uint64(limit) - return len(rows), nil - }, limit) + }, i.opts.paginationLimit) if err != nil { return err } @@ -777,7 +800,7 @@ func (i *SQLStore) InvoicesSettledSince(ctx context.Context, idx uint64) ( // InvoicesAddedSince can be used by callers to seek into the event time series // of all the invoices added in the database. This method will return all -// invoices with an add index greater than the specified sinceAddIndex. +// invoices with an add index greater than the specified idx. // // NOTE: The index starts from 1. As a result we enforce that specifying a value // below the starting index value is a noop. @@ -792,14 +815,11 @@ func (i *SQLStore) InvoicesAddedSince(ctx context.Context, idx uint64) ( readTxOpt := NewSQLInvoiceQueryReadTx() err := i.db.ExecTx(ctx, &readTxOpt, func(db SQLInvoiceQueries) error { - addIdx := idx - limit := queryPaginationLimit - return queryWithLimit(func(offset int) (int, error) { params := sqlc.FilterInvoicesParams{ - AddIndexGet: sqldb.SQLInt64(addIdx + 1), - NumLimit: int32(limit), + AddIndexGet: sqldb.SQLInt64(idx + 1), NumOffset: int32(offset), + NumLimit: int32(i.opts.paginationLimit), Reverse: false, } @@ -821,10 +841,8 @@ func (i *SQLStore) InvoicesAddedSince(ctx context.Context, idx uint64) ( result = append(result, *invoice) } - addIdx += uint64(limit) - return len(rows), nil - }, limit) + }, i.opts.paginationLimit) }, func() { result = nil }) @@ -851,21 +869,18 @@ func (i *SQLStore) QueryInvoices(ctx context.Context, readTxOpt := NewSQLInvoiceQueryReadTx() err := i.db.ExecTx(ctx, &readTxOpt, func(db SQLInvoiceQueries) error { - limit := queryPaginationLimit - return queryWithLimit(func(offset int) (int, error) { params := sqlc.FilterInvoicesParams{ NumOffset: int32(offset), - NumLimit: int32(limit), + NumLimit: int32(i.opts.paginationLimit), PendingOnly: q.PendingOnly, + Reverse: q.Reversed, } if q.Reversed { - idx := int32(q.IndexOffset) - // If the index offset was not set, we want to // fetch from the lastest invoice. - if idx == 0 { + if q.IndexOffset == 0 { params.AddIndexLet = sqldb.SQLInt64( int64(math.MaxInt64), ) @@ -873,19 +888,15 @@ func (i *SQLStore) QueryInvoices(ctx context.Context, // The invoice with index offset id must // not be included in the results. params.AddIndexLet = sqldb.SQLInt64( - idx - int32(offset) - 1, + q.IndexOffset - 1, ) } - - params.Reverse = true } else { // The invoice with index offset id must not be // included in the results. params.AddIndexGet = sqldb.SQLInt64( - q.IndexOffset + uint64(offset) + 1, + q.IndexOffset + 1, ) - - params.Reverse = false } if q.CreationDateStart != 0 { @@ -923,7 +934,7 @@ func (i *SQLStore) QueryInvoices(ctx context.Context, } return len(rows), nil - }, limit) + }, i.opts.paginationLimit) }, func() { invoices = nil }) From 892561f8f032a477f54b87bd45c6a8851fa5d751 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 21 Jun 2024 18:40:03 +0200 Subject: [PATCH 059/343] sqldb: bump modernc.org/sqlite to 1.29.10 which fixes init data race Tracking issue: https://gitlab.com/cznic/sqlite/-/issues/180 --- go.mod | 5 ++++- go.sum | 8 ++------ invoices/invoiceregistry_test.go | 9 --------- invoices/invoices_test.go | 2 -- sqldb/go.mod | 2 +- sqldb/go.sum | 6 ++---- 6 files changed, 9 insertions(+), 23 deletions(-) diff --git a/go.mod b/go.mod index 60b6c5e61b..e0bcd34502 100644 --- a/go.mod +++ b/go.mod @@ -186,7 +186,7 @@ require ( modernc.org/libc v1.49.3 // indirect modernc.org/mathutil v1.6.0 // indirect modernc.org/memory v1.8.0 // indirect - modernc.org/sqlite v1.29.8 // indirect + modernc.org/sqlite v1.29.10 // indirect modernc.org/strutil v1.2.0 // indirect modernc.org/token v1.1.0 // indirect sigs.k8s.io/yaml v1.2.0 // indirect @@ -203,6 +203,9 @@ replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.2 // allows us to specify that as an option. replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display +// Temporary replace until the next version of sqldb is tagged. +replace github.com/lightningnetwork/lnd/sqldb => ./sqldb + // If you change this please also update .github/pull_request_template.md and // docs/INSTALL.md. go 1.21.4 diff --git a/go.sum b/go.sum index 280c4f2845..5fe81d3507 100644 --- a/go.sum +++ b/go.sum @@ -456,8 +456,6 @@ github.com/lightningnetwork/lnd/kvdb v1.4.8 h1:xH0a5Vi1yrcZ5BEeF2ba3vlKBRxrL9uYX github.com/lightningnetwork/lnd/kvdb v1.4.8/go.mod h1:J2diNABOoII9UrMnxXS5w7vZwP7CA1CStrl8MnIrb3A= github.com/lightningnetwork/lnd/queue v1.1.1 h1:99ovBlpM9B0FRCGYJo6RSFDlt8/vOkQQZznVb18iNMI= github.com/lightningnetwork/lnd/queue v1.1.1/go.mod h1:7A6nC1Qrm32FHuhx/mi1cieAiBZo5O6l8IBIoQxvkz4= -github.com/lightningnetwork/lnd/sqldb v1.0.2 h1:PfuYzScYMD9/QonKo/QvgsbXfTnH5DfldIimkfdW4Bk= -github.com/lightningnetwork/lnd/sqldb v1.0.2/go.mod h1:V2Xl6JNWLTKE97WJnwfs0d0TYJdIQTqK8/3aAwkd3qI= github.com/lightningnetwork/lnd/ticker v1.1.1 h1:J/b6N2hibFtC7JLV77ULQp++QLtCwT6ijJlbdiZFbSM= github.com/lightningnetwork/lnd/ticker v1.1.1/go.mod h1:waPTRAAcwtu7Ji3+3k+u/xH5GHovTsCoSVpho0KDvdA= github.com/lightningnetwork/lnd/tlv v1.2.3 h1:If5ibokA/UoCBGuCKaY6Vn2SJU0l9uAbehCnhTZjEP8= @@ -479,8 +477,6 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= github.com/mattn/go-runewidth v0.0.13 h1:lTGmDsbAYt5DmK6OnoV7EuIF1wEIFAcxld6ypU4OSgU= github.com/mattn/go-runewidth v0.0.13/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w= -github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU= -github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y= github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU= github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0= github.com/miekg/dns v1.1.43 h1:JKfpVSCB84vrAmHzyrsxB5NAr5kLoMXZArPSw7Qlgyg= @@ -1064,8 +1060,8 @@ modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4= modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0= modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc= modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss= -modernc.org/sqlite v1.29.8 h1:nGKglNx9K5v0As+zF0/Gcl1kMkmaU1XynYyq92PbsC8= -modernc.org/sqlite v1.29.8/go.mod h1:lQPm27iqa4UNZpmr4Aor0MH0HkCLbt1huYDfWylLZFk= +modernc.org/sqlite v1.29.10 h1:3u93dz83myFnMilBGCOLbr+HjklS6+5rJLx4q86RDAg= +modernc.org/sqlite v1.29.10/go.mod h1:ItX2a1OVGgNsFh6Dv60JQvGfJfTPHPVpV6DF59akYOA= modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA= modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0= modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y= diff --git a/invoices/invoiceregistry_test.go b/invoices/invoiceregistry_test.go index 4a76d58aae..b0c0195227 100644 --- a/invoices/invoiceregistry_test.go +++ b/invoices/invoiceregistry_test.go @@ -6,7 +6,6 @@ import ( "database/sql" "fmt" "math" - "sync" "testing" "testing/quick" "time" @@ -24,12 +23,6 @@ import ( "github.com/stretchr/testify/require" ) -// sqliteConstructorMu is used to ensure that only one thread can call the -// sqldb.NewTestSqliteDB constructor at a time. This is a temporary workaround -// that can be removed once this race condition in the sqlite repo is resolved: -// https://gitlab.com/cznic/sqlite/-/issues/180 -var sqliteConstructorMu sync.Mutex - // TestInvoiceRegistry is a master test which encompasses all tests using an // InvoiceDB instance. The purpose of this test is to be able to run all tests // with a custom DB instance, so that we can test the same logic with different @@ -137,9 +130,7 @@ func TestInvoiceRegistry(t *testing.T) { var db *sqldb.BaseDB if sqlite { - sqliteConstructorMu.Lock() db = sqldb.NewTestSqliteDB(t).BaseDB - sqliteConstructorMu.Unlock() } else { db = sqldb.NewTestPostgresDB(t, pgFixture).BaseDB } diff --git a/invoices/invoices_test.go b/invoices/invoices_test.go index aa4aa6a709..4e30b0ac96 100644 --- a/invoices/invoices_test.go +++ b/invoices/invoices_test.go @@ -234,9 +234,7 @@ func TestInvoices(t *testing.T) { makeSQLDB := func(t *testing.T, sqlite bool) invpkg.InvoiceDB { var db *sqldb.BaseDB if sqlite { - sqliteConstructorMu.Lock() db = sqldb.NewTestSqliteDB(t).BaseDB - sqliteConstructorMu.Unlock() } else { db = sqldb.NewTestPostgresDB(t, pgFixture).BaseDB } diff --git a/sqldb/go.mod b/sqldb/go.mod index fcf6c3ee9e..51792d2e0b 100644 --- a/sqldb/go.mod +++ b/sqldb/go.mod @@ -11,7 +11,7 @@ require ( github.com/ory/dockertest/v3 v3.10.0 github.com/stretchr/testify v1.9.0 golang.org/x/exp v0.0.0-20240325151524-a685a6edb6d8 - modernc.org/sqlite v1.29.8 + modernc.org/sqlite v1.29.10 ) require ( diff --git a/sqldb/go.sum b/sqldb/go.sum index 2d92b7667f..140eb99967 100644 --- a/sqldb/go.sum +++ b/sqldb/go.sum @@ -92,8 +92,6 @@ github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw= github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y= -github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU= -github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y= github.com/mitchellh/mapstructure v1.4.1 h1:CpVNEelQCZBooIPDn+AR3NpivK/TIKU8bDxdASFVQag= github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo= github.com/moby/sys/mountinfo v0.5.0/go.mod h1:3bMD3Rg+zkqx8MRYPi7Pyb0Ie97QEBmdxbhnCLlSvSU= @@ -233,8 +231,8 @@ modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4= modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0= modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc= modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss= -modernc.org/sqlite v1.29.8 h1:nGKglNx9K5v0As+zF0/Gcl1kMkmaU1XynYyq92PbsC8= -modernc.org/sqlite v1.29.8/go.mod h1:lQPm27iqa4UNZpmr4Aor0MH0HkCLbt1huYDfWylLZFk= +modernc.org/sqlite v1.29.10 h1:3u93dz83myFnMilBGCOLbr+HjklS6+5rJLx4q86RDAg= +modernc.org/sqlite v1.29.10/go.mod h1:ItX2a1OVGgNsFh6Dv60JQvGfJfTPHPVpV6DF59akYOA= modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA= modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0= modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y= From b35f0606ba1edcd2c1b49f21db602ebc4b328fb9 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 27 Jun 2024 22:37:45 +0200 Subject: [PATCH 060/343] docs: update release notes for 0.18.2-beta --- docs/release-notes/release-notes-0.18.2.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.2.md b/docs/release-notes/release-notes-0.18.2.md index e2216bc700..6d44635e4a 100644 --- a/docs/release-notes/release-notes-0.18.2.md +++ b/docs/release-notes/release-notes-0.18.2.md @@ -91,6 +91,10 @@ ## Testing ## Database + +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8854) pagination issues + in SQL invoicedb queries. + ## Code Health ## Tooling and Documentation From 1d40c55550463e03b2bdb8693311ee0124d3e4b6 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 3 Jul 2024 02:47:10 +0800 Subject: [PATCH 061/343] gomod: update `btcwallet` to include RPC errors --- chainreg/no_chain_backend.go | 4 ++++ go.mod | 4 ++-- go.sum | 8 ++++---- lnmock/chain.go | 6 ++++++ 4 files changed, 16 insertions(+), 6 deletions(-) diff --git a/chainreg/no_chain_backend.go b/chainreg/no_chain_backend.go index ce85b0a695..303c8f4cdb 100644 --- a/chainreg/no_chain_backend.go +++ b/chainreg/no_chain_backend.go @@ -220,4 +220,8 @@ func (n *NoChainSource) TestMempoolAccept([]*wire.MsgTx, return nil, nil } +func (n *NoChainSource) MapRPCErr(err error) error { + return err +} + var _ chain.Interface = (*NoChainSource)(nil) diff --git a/go.mod b/go.mod index 60b6c5e61b..4397ef7d51 100644 --- a/go.mod +++ b/go.mod @@ -10,7 +10,7 @@ require ( github.com/btcsuite/btcd/btcutil/psbt v1.1.8 github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f - github.com/btcsuite/btcwallet v0.16.10-0.20240625163855-b42ed59f0528 + github.com/btcsuite/btcwallet v0.16.10-0.20240706055350-e391a1c31df2 github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4 github.com/btcsuite/btcwallet/wallet/txrules v1.2.1 github.com/btcsuite/btcwallet/walletdb v1.4.2 @@ -54,7 +54,7 @@ require ( golang.org/x/crypto v0.22.0 golang.org/x/exp v0.0.0-20240325151524-a685a6edb6d8 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 - golang.org/x/net v0.22.0 + golang.org/x/net v0.24.0 golang.org/x/sync v0.6.0 golang.org/x/term v0.19.0 golang.org/x/time v0.3.0 diff --git a/go.sum b/go.sum index 280c4f2845..11d7df04ee 100644 --- a/go.sum +++ b/go.sum @@ -92,8 +92,8 @@ github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0/go.mod h1:7SFka0XMvUgj3hfZtyd github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo= github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA= github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg= -github.com/btcsuite/btcwallet v0.16.10-0.20240625163855-b42ed59f0528 h1:DZRmr47CdPnNglwEVACPnJnGrfb/GBGyoGs5oqvLFg4= -github.com/btcsuite/btcwallet v0.16.10-0.20240625163855-b42ed59f0528/go.mod h1:SLFUSQbP8ON/wxholYMfVLvGPJyk7boczOW/ob+nww4= +github.com/btcsuite/btcwallet v0.16.10-0.20240706055350-e391a1c31df2 h1:mJquwdcEA4hZip4XKbRPAM9rOrus6wlNEcWzMz5CHsI= +github.com/btcsuite/btcwallet v0.16.10-0.20240706055350-e391a1c31df2/go.mod h1:SLFUSQbP8ON/wxholYMfVLvGPJyk7boczOW/ob+nww4= github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4 h1:poyHFf7+5+RdxNp5r2T6IBRD7RyraUsYARYbp/7t4D8= github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4/go.mod h1:GETGDQuyq+VFfH1S/+/7slLM/9aNa4l7P4ejX6dJfb0= github.com/btcsuite/btcwallet/wallet/txrules v1.2.1 h1:UZo7YRzdHbwhK7Rhv3PO9bXgTxiOH45edK5qdsdiatk= @@ -763,8 +763,8 @@ golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwY golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= -golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc= -golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg= +golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w= +golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= diff --git a/lnmock/chain.go b/lnmock/chain.go index dd208c33e2..c20a893733 100644 --- a/lnmock/chain.go +++ b/lnmock/chain.go @@ -157,3 +157,9 @@ func (m *MockChain) TestMempoolAccept(txns []*wire.MsgTx, maxFeeRate float64) ( return args.Get(0).([]*btcjson.TestMempoolAcceptResult), args.Error(1) } + +func (m *MockChain) MapRPCErr(err error) error { + args := m.Called(err) + + return args.Error(0) +} From e0a506ab26f9a798734a21a3363f4b6c68078b91 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 3 Jul 2024 23:43:11 +0800 Subject: [PATCH 062/343] multi: use `chain.MapRPCErr` instead of `rpcclient.MapRPCErr` --- config_builder.go | 22 ++++++++++++---------- lnwallet/btcwallet/btcwallet.go | 8 ++++---- 2 files changed, 16 insertions(+), 14 deletions(-) diff --git a/config_builder.go b/config_builder.go index 49a0b6c507..3df8151907 100644 --- a/config_builder.go +++ b/config_builder.go @@ -708,9 +708,9 @@ func (d *DefaultWalletImpl) BuildChainControl( // The broadcast is already always active for neutrino nodes, so we // don't want to create a rebroadcast loop. if partialChainControl.Cfg.NeutrinoCS == nil { + cs := partialChainControl.ChainSource broadcastCfg := pushtx.Config{ Broadcast: func(tx *wire.MsgTx) error { - cs := partialChainControl.ChainSource _, err := cs.SendRawTransaction( tx, true, ) @@ -724,7 +724,10 @@ func (d *DefaultWalletImpl) BuildChainControl( // In case the backend is different from neutrino we // make sure that broadcast backend errors are mapped // to the neutrino broadcastErr. - MapCustomBroadcastError: broadcastErrorMapper, + MapCustomBroadcastError: func(err error) error { + rpcErr := cs.MapRPCErr(err) + return broadcastErrorMapper(rpcErr) + }, } lnWalletConfig.Rebroadcaster = newWalletReBroadcaster( @@ -1475,27 +1478,27 @@ func parseHeaderStateAssertion(state string) (*headerfs.FilterHeader, error) { // the neutrino BroadcastError which allows the Rebroadcaster which currently // resides in the neutrino package to use all of its functionalities. func broadcastErrorMapper(err error) error { - returnErr := rpcclient.MapRPCErr(err) + var returnErr error // We only filter for specific backend errors which are relevant for the // Rebroadcaster. switch { // This makes sure the tx is removed from the rebroadcaster once it is // confirmed. - case errors.Is(returnErr, rpcclient.ErrTxAlreadyKnown), + case errors.Is(err, rpcclient.ErrTxAlreadyKnown), errors.Is(err, rpcclient.ErrTxAlreadyConfirmed): returnErr = &pushtx.BroadcastError{ Code: pushtx.Confirmed, - Reason: returnErr.Error(), + Reason: err.Error(), } // Transactions which are still in mempool but might fall out because // of low fees are rebroadcasted despite of their backend error. - case errors.Is(returnErr, rpcclient.ErrTxAlreadyInMempool): + case errors.Is(err, rpcclient.ErrTxAlreadyInMempool): returnErr = &pushtx.BroadcastError{ Code: pushtx.Mempool, - Reason: returnErr.Error(), + Reason: err.Error(), } // Transactions which are not accepted into mempool because of low fees @@ -1504,12 +1507,11 @@ func broadcastErrorMapper(err error) error { // publishing the transaction. Moreover we log the detailed error so the // user can intervene and increase the size of his mempool. case errors.Is(err, rpcclient.ErrMempoolMinFeeNotMet): - ltndLog.Warnf("Error while broadcasting transaction: %v", - returnErr) + ltndLog.Warnf("Error while broadcasting transaction: %v", err) returnErr = &pushtx.BroadcastError{ Code: pushtx.Mempool, - Reason: returnErr.Error(), + Reason: err.Error(), } } diff --git a/lnwallet/btcwallet/btcwallet.go b/lnwallet/btcwallet/btcwallet.go index ebca031c54..28b029b8a5 100644 --- a/lnwallet/btcwallet/btcwallet.go +++ b/lnwallet/btcwallet/btcwallet.go @@ -1191,8 +1191,8 @@ func (b *BtcWallet) ListUnspentWitness(minConfs, maxConfs int32, return witnessOutputs, nil } -// mapRpcclientError maps an error from the rpcclient package to defined error -// in this package. +// mapRpcclientError maps an error from the `btcwallet/chain` package to +// defined error in this package. // // NOTE: we are mapping the errors returned from `sendrawtransaction` RPC or // the reject reason from `testmempoolaccept` RPC. @@ -1277,7 +1277,7 @@ func (b *BtcWallet) PublishTransaction(tx *wire.MsgTx, label string) error { // We need to use the string to create an error type and map it to a // btcwallet error. - err = rpcclient.MapRPCErr(errors.New(result.RejectReason)) + err = b.chain.MapRPCErr(errors.New(result.RejectReason)) //nolint:lll // These two errors are ignored inside `PublishTransaction`: @@ -1922,7 +1922,7 @@ func (b *BtcWallet) CheckMempoolAcceptance(tx *wire.MsgTx) error { // Mempool check failed, we now map the reject reason to a proper RPC // error and return it. if !result.Allowed { - err := rpcclient.MapRPCErr(errors.New(result.RejectReason)) + err := b.chain.MapRPCErr(errors.New(result.RejectReason)) return fmt.Errorf("mempool rejection: %w", err) } From ddf46f435cc31228154b0265e303c5297b99286f Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 3 Jul 2024 23:04:58 +0800 Subject: [PATCH 063/343] multi: update RPC error import path These errors are now defined in `btcwallet/chain` instead of `btcd/rpcclient`. --- config_builder.go | 10 +++++----- lnwallet/btcwallet/btcwallet.go | 12 ++++++------ lnwallet/btcwallet/btcwallet_test.go | 5 ++++- lnwallet/test/test_interface.go | 4 ++-- sweep/fee_bumper.go | 6 +++--- sweep/fee_bumper_test.go | 8 ++++---- 6 files changed, 24 insertions(+), 21 deletions(-) diff --git a/config_builder.go b/config_builder.go index 3df8151907..bf6274cdf5 100644 --- a/config_builder.go +++ b/config_builder.go @@ -17,9 +17,9 @@ import ( "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/chaincfg/chainhash" - "github.com/btcsuite/btcd/rpcclient" "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btclog" + "github.com/btcsuite/btcwallet/chain" "github.com/btcsuite/btcwallet/waddrmgr" "github.com/btcsuite/btcwallet/wallet" "github.com/btcsuite/btcwallet/walletdb" @@ -1485,8 +1485,8 @@ func broadcastErrorMapper(err error) error { switch { // This makes sure the tx is removed from the rebroadcaster once it is // confirmed. - case errors.Is(err, rpcclient.ErrTxAlreadyKnown), - errors.Is(err, rpcclient.ErrTxAlreadyConfirmed): + case errors.Is(err, chain.ErrTxAlreadyKnown), + errors.Is(err, chain.ErrTxAlreadyConfirmed): returnErr = &pushtx.BroadcastError{ Code: pushtx.Confirmed, @@ -1495,7 +1495,7 @@ func broadcastErrorMapper(err error) error { // Transactions which are still in mempool but might fall out because // of low fees are rebroadcasted despite of their backend error. - case errors.Is(err, rpcclient.ErrTxAlreadyInMempool): + case errors.Is(err, chain.ErrTxAlreadyInMempool): returnErr = &pushtx.BroadcastError{ Code: pushtx.Mempool, Reason: err.Error(), @@ -1506,7 +1506,7 @@ func broadcastErrorMapper(err error) error { // Mempool conditions change over time so it makes sense to retry // publishing the transaction. Moreover we log the detailed error so the // user can intervene and increase the size of his mempool. - case errors.Is(err, rpcclient.ErrMempoolMinFeeNotMet): + case errors.Is(err, chain.ErrMempoolMinFeeNotMet): ltndLog.Warnf("Error while broadcasting transaction: %v", err) returnErr = &pushtx.BroadcastError{ diff --git a/lnwallet/btcwallet/btcwallet.go b/lnwallet/btcwallet/btcwallet.go index 28b029b8a5..196bd3c099 100644 --- a/lnwallet/btcwallet/btcwallet.go +++ b/lnwallet/btcwallet/btcwallet.go @@ -1202,15 +1202,15 @@ func mapRpcclientError(err error) error { switch { // If the wallet reports a double spend, convert it to our internal // ErrDoubleSpend and return. - case errors.Is(err, rpcclient.ErrMempoolConflict), - errors.Is(err, rpcclient.ErrMissingInputs): + case errors.Is(err, chain.ErrMempoolConflict), + errors.Is(err, chain.ErrMissingInputs): return lnwallet.ErrDoubleSpend // If the wallet reports that fee requirements for accepting the tx // into mempool are not met, convert it to our internal ErrMempoolFee // and return. - case errors.Is(err, rpcclient.ErrMempoolMinFeeNotMet): + case errors.Is(err, chain.ErrMempoolMinFeeNotMet): return fmt.Errorf("%w: %v", lnwallet.ErrMempoolFee, err.Error()) } @@ -1295,9 +1295,9 @@ func (b *BtcWallet) PublishTransaction(tx *wire.MsgTx, label string) error { // `PublishTransaction` again because we need to mark the label in the // wallet. We can remove this exception once we have the above TODO // fixed. - case errors.Is(err, rpcclient.ErrTxAlreadyInMempool), - errors.Is(err, rpcclient.ErrTxAlreadyKnown), - errors.Is(err, rpcclient.ErrTxAlreadyConfirmed): + case errors.Is(err, chain.ErrTxAlreadyInMempool), + errors.Is(err, chain.ErrTxAlreadyKnown), + errors.Is(err, chain.ErrTxAlreadyConfirmed): err := b.wallet.PublishTransaction(tx, label) return mapRpcclientError(err) diff --git a/lnwallet/btcwallet/btcwallet_test.go b/lnwallet/btcwallet/btcwallet_test.go index 892ec25fdf..c5bd8905a8 100644 --- a/lnwallet/btcwallet/btcwallet_test.go +++ b/lnwallet/btcwallet/btcwallet_test.go @@ -10,6 +10,7 @@ import ( "github.com/btcsuite/btcwallet/wallet" "github.com/lightningnetwork/lnd/lnmock" "github.com/lightningnetwork/lnd/lnwallet" + "github.com/stretchr/testify/mock" "github.com/stretchr/testify/require" ) @@ -204,10 +205,12 @@ func TestCheckMempoolAcceptance(t *testing.T) { }} mockChain.On("TestMempoolAccept", []*wire.MsgTx{tx}, maxFeeRate).Return( results, nil).Once() + mockChain.On("MapRPCErr", mock.Anything).Return( + chain.ErrInsufficientFee).Once() // Now call the method under test. err = wallet.CheckMempoolAcceptance(tx) - rt.ErrorIs(err, rpcclient.ErrInsufficientFee) + rt.ErrorIs(err, chain.ErrInsufficientFee) // Assert that when the tx is accepted, no error is returned. // diff --git a/lnwallet/test/test_interface.go b/lnwallet/test/test_interface.go index dd1db5f20c..c3d26f6cf0 100644 --- a/lnwallet/test/test_interface.go +++ b/lnwallet/test/test_interface.go @@ -1808,7 +1808,7 @@ func testPublishTransaction(r *rpctest.Harness, // If RBF is enabled, we expect it to be rejected // because it doesn't pay enough fees. if rbf { - expectedErr = rpcclient.ErrInsufficientFee + expectedErr = chain.ErrInsufficientFee } // Assert the expected error. @@ -1891,7 +1891,7 @@ func testPublishTransaction(r *rpctest.Harness, // Now broadcast the transaction, we should get an error that // the weight is too large. err := alice.PublishTransaction(testTx, labels.External) - require.ErrorIs(t, err, rpcclient.ErrOversizeTx) + require.ErrorIs(t, err, chain.ErrOversizeTx) }) } diff --git a/sweep/fee_bumper.go b/sweep/fee_bumper.go index b4d4298943..e792801669 100644 --- a/sweep/fee_bumper.go +++ b/sweep/fee_bumper.go @@ -427,7 +427,7 @@ func (t *TxPublisher) createRBFCompliantTx(req *BumpRequest, fallthrough // We are not paying enough fees so we increase it. - case errors.Is(err, rpcclient.ErrInsufficientFee): + case errors.Is(err, chain.ErrInsufficientFee): increased := false // Keep calling the fee function until the fee rate is @@ -934,7 +934,7 @@ func (t *TxPublisher) createAndPublishTx(requestID uint64, // - if the deadline is close, we expect the fee function to give us a // higher fee rate. If the fee rate cannot satisfy the RBF rules, it // means the budget is not enough. - if errors.Is(err, rpcclient.ErrInsufficientFee) || + if errors.Is(err, chain.ErrInsufficientFee) || errors.Is(err, lnwallet.ErrMempoolFee) { log.Debugf("Failed to bump tx %v: %v", oldTx.TxHash(), err) @@ -989,7 +989,7 @@ func (t *TxPublisher) createAndPublishTx(requestID uint64, // // NOTE: we may get this error if we've bypassed the mempool check, // which means we are suing neutrino backend. - if errors.Is(result.Err, rpcclient.ErrInsufficientFee) || + if errors.Is(result.Err, chain.ErrInsufficientFee) || errors.Is(result.Err, lnwallet.ErrMempoolFee) { log.Debugf("Failed to bump tx %v: %v", oldTx.TxHash(), err) diff --git a/sweep/fee_bumper_test.go b/sweep/fee_bumper_test.go index 63a828654d..4c4a9519fe 100644 --- a/sweep/fee_bumper_test.go +++ b/sweep/fee_bumper_test.go @@ -8,8 +8,8 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg/chainhash" - "github.com/btcsuite/btcd/rpcclient" "github.com/btcsuite/btcd/wire" + "github.com/btcsuite/btcwallet/chain" "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" @@ -569,7 +569,7 @@ func TestCreateRBFCompliantTx(t *testing.T) { // for the first call. m.wallet.On("CheckMempoolAcceptance", mock.Anything).Return( - rpcclient.ErrInsufficientFee).Once() + chain.ErrInsufficientFee).Once() // Mock the fee function to increase feerate. m.feeFunc.On("Increment").Return( @@ -591,7 +591,7 @@ func TestCreateRBFCompliantTx(t *testing.T) { // for the first call. m.wallet.On("CheckMempoolAcceptance", mock.Anything).Return( - rpcclient.ErrInsufficientFee).Once() + chain.ErrInsufficientFee).Once() // Mock the fee function to NOT increase // feerate on the first round. @@ -1087,7 +1087,7 @@ func TestCreateAnPublishFail(t *testing.T) { // Mock the testmempoolaccept to return a fee related error that should // be ignored. m.wallet.On("CheckMempoolAcceptance", - mock.Anything).Return(rpcclient.ErrInsufficientFee).Once() + mock.Anything).Return(chain.ErrInsufficientFee).Once() // Call the createAndPublish method and expect a none option. resultOpt = tp.createAndPublishTx(requestID, record) From 8f4bcd0b3a4bbcd1dc64eaeaebb071fa1a24fdc5 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 3 Jul 2024 23:33:40 +0800 Subject: [PATCH 064/343] lnwallet: fix `ErrDoubleSpend` --- lnwallet/btcwallet/btcwallet.go | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lnwallet/btcwallet/btcwallet.go b/lnwallet/btcwallet/btcwallet.go index 196bd3c099..1094a052c4 100644 --- a/lnwallet/btcwallet/btcwallet.go +++ b/lnwallet/btcwallet/btcwallet.go @@ -1203,7 +1203,9 @@ func mapRpcclientError(err error) error { // If the wallet reports a double spend, convert it to our internal // ErrDoubleSpend and return. case errors.Is(err, chain.ErrMempoolConflict), - errors.Is(err, chain.ErrMissingInputs): + errors.Is(err, chain.ErrMissingInputs), + errors.Is(err, chain.ErrTxAlreadyKnown), + errors.Is(err, chain.ErrTxAlreadyConfirmed): return lnwallet.ErrDoubleSpend From 26a365eb3250a2d94171150d2bb06a99d0a7e333 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 4 Jul 2024 23:09:13 +0800 Subject: [PATCH 065/343] docs: update release notes --- docs/release-notes/release-notes-0.18.2.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.2.md b/docs/release-notes/release-notes-0.18.2.md index e2216bc700..7d017b40b7 100644 --- a/docs/release-notes/release-notes-0.18.2.md +++ b/docs/release-notes/release-notes-0.18.2.md @@ -29,6 +29,10 @@ * [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8822) that caused LND to read the config only partially and continued with the startup. +* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8887) in error + matching from publishing already confirmed transactions that can cause lnd + fail to startup if `btcd` with an older version (pre-`v0.24.2`) is used. + # New Features ## Functional Enhancements ## RPC Additions @@ -102,3 +106,4 @@ * Matheus Degiovani * Oliver Gugger * Slyghtning +* Yong Yu From e27a656c07d2ab23590a4acc44677a7e2dbaaf1a Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Sat, 6 Jul 2024 14:01:40 +0800 Subject: [PATCH 066/343] docs: add release notes for `0.18.3` --- docs/release-notes/release-notes-0.18.2.md | 61 ------------ docs/release-notes/release-notes-0.18.3.md | 105 +++++++++++++++++++++ 2 files changed, 105 insertions(+), 61 deletions(-) create mode 100644 docs/release-notes/release-notes-0.18.3.md diff --git a/docs/release-notes/release-notes-0.18.2.md b/docs/release-notes/release-notes-0.18.2.md index 7d017b40b7..3be21d93ac 100644 --- a/docs/release-notes/release-notes-0.18.2.md +++ b/docs/release-notes/release-notes-0.18.2.md @@ -19,16 +19,6 @@ # Bug Fixes -* `closedchannels` now [successfully reports](https://github.com/lightningnetwork/lnd/pull/8800) - settled balances even if the delivery address is set to an address that - LND does not control. - -* [SendPaymentV2](https://github.com/lightningnetwork/lnd/pull/8734) now cancels - the background payment loop if the user cancels the stream context. - -* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8822) that caused - LND to read the config only partially and continued with the startup. - * [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8887) in error matching from publishing already confirmed transactions that can cause lnd fail to startup if `btcd` with an older version (pre-`v0.24.2`) is used. @@ -36,63 +26,18 @@ # New Features ## Functional Enhancements ## RPC Additions - -* The [SendPaymentRequest](https://github.com/lightningnetwork/lnd/pull/8734) - message receives a new flag `cancelable` which indicates if the payment loop - is cancelable. The cancellation can either occur manually by cancelling the - send payment stream context, or automatically at the end of the timeout period - if the user provided `timeout_seconds`. - ## lncli Additions -* [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` - argument to `addinvoice` and `addholdinvoice`, allowing users to set the - `min_final_cltv_expiry_delta`. - -* The [`lncli wallet estimatefeerate`](https://github.com/lightningnetwork/lnd/pull/8730) - command returns the fee rate estimate for on-chain transactions in sat/kw and - sat/vb to achieve a given confirmation target. - # Improvements ## Functional Updates ## RPC Updates - -* [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) - now accepts `0` failure amounts. - -* [`ChanInfoRequest`](https://github.com/lightningnetwork/lnd/pull/8813) - adds support for channel points. - ## lncli Updates - -* [`importmc`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts - `0` failure amounts. - -* [`getchaninfo`](https://github.com/lightningnetwork/lnd/pull/8813) now accepts - a channel outpoint besides a channel id. - -* [Fixed](https://github.com/lightningnetwork/lnd/pull/8823) how we parse the - `--amp` flag when sending a payment specifying the payment request. - ## Code Health ## Breaking Changes ## Performance Improvements -* Mission Control Store [improved performance during DB - flushing](https://github.com/lightningnetwork/lnd/pull/8549) stage. - # Technical and Architectural Updates ## BOLT Spec Updates - -* Start assuming that all hops used during path-finding and route construction - [support the TLV onion - format](https://github.com/lightningnetwork/lnd/pull/8791). - -* Allow channel fundee to send a [minimum confirmation depth of - 0](https://github.com/lightningnetwork/lnd/pull/8796) for a non-zero-conf - channel. We will still wait for the channel to have at least one confirmation - and so the main change here is that we don't error out for such a case. - ## Testing ## Database ## Code Health @@ -100,10 +45,4 @@ # Contributors (Alphabetical Order) -* Andras Banki-Horvath -* Bufo -* Elle Mouton -* Matheus Degiovani -* Oliver Gugger -* Slyghtning * Yong Yu diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md new file mode 100644 index 0000000000..1739c20017 --- /dev/null +++ b/docs/release-notes/release-notes-0.18.3.md @@ -0,0 +1,105 @@ +# Release Notes +- [Bug Fixes](#bug-fixes) +- [New Features](#new-features) + - [Functional Enhancements](#functional-enhancements) + - [RPC Additions](#rpc-additions) + - [lncli Additions](#lncli-additions) +- [Improvements](#improvements) + - [Functional Updates](#functional-updates) + - [RPC Updates](#rpc-updates) + - [lncli Updates](#lncli-updates) + - [Breaking Changes](#breaking-changes) + - [Performance Improvements](#performance-improvements) +- [Technical and Architectural Updates](#technical-and-architectural-updates) + - [BOLT Spec Updates](#bolt-spec-updates) + - [Testing](#testing) + - [Database](#database) + - [Code Health](#code-health) + - [Tooling and Documentation](#tooling-and-documentation) + +# Bug Fixes + +* `closedchannels` now [successfully reports](https://github.com/lightningnetwork/lnd/pull/8800) + settled balances even if the delivery address is set to an address that + LND does not control. + +* [SendPaymentV2](https://github.com/lightningnetwork/lnd/pull/8734) now cancels + the background payment loop if the user cancels the stream context. + +* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8822) that caused + LND to read the config only partially and continued with the startup. + +# New Features +## Functional Enhancements +## RPC Additions + +* The [SendPaymentRequest](https://github.com/lightningnetwork/lnd/pull/8734) + message receives a new flag `cancelable` which indicates if the payment loop + is cancelable. The cancellation can either occur manually by cancelling the + send payment stream context, or automatically at the end of the timeout period + if the user provided `timeout_seconds`. + +## lncli Additions + +* [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` + argument to `addinvoice` and `addholdinvoice`, allowing users to set the + `min_final_cltv_expiry_delta`. + +* The [`lncli wallet estimatefeerate`](https://github.com/lightningnetwork/lnd/pull/8730) + command returns the fee rate estimate for on-chain transactions in sat/kw and + sat/vb to achieve a given confirmation target. + +# Improvements +## Functional Updates +## RPC Updates + +* [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) + now accepts `0` failure amounts. + +* [`ChanInfoRequest`](https://github.com/lightningnetwork/lnd/pull/8813) + adds support for channel points. + +## lncli Updates + +* [`importmc`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts + `0` failure amounts. + +* [`getchaninfo`](https://github.com/lightningnetwork/lnd/pull/8813) now accepts + a channel outpoint besides a channel id. + +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8823) how we parse the + `--amp` flag when sending a payment specifying the payment request. + +## Code Health +## Breaking Changes +## Performance Improvements + +* Mission Control Store [improved performance during DB + flushing](https://github.com/lightningnetwork/lnd/pull/8549) stage. + +# Technical and Architectural Updates +## BOLT Spec Updates + +* Start assuming that all hops used during path-finding and route construction + [support the TLV onion + format](https://github.com/lightningnetwork/lnd/pull/8791). + +* Allow channel fundee to send a [minimum confirmation depth of + 0](https://github.com/lightningnetwork/lnd/pull/8796) for a non-zero-conf + channel. We will still wait for the channel to have at least one confirmation + and so the main change here is that we don't error out for such a case. + +## Testing +## Database +## Code Health +## Tooling and Documentation + +# Contributors (Alphabetical Order) + +* Andras Banki-Horvath +* Bufo +* Elle Mouton +* Matheus Degiovani +* Oliver Gugger +* Slyghtning +* Yong Yu From 323af946e0be85034d3fb504262d999974d0ed55 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 21 Jun 2024 19:08:15 +0200 Subject: [PATCH 067/343] sqldb+invoices: add migration to fix incorrectly stored invoice expiries Previously, when using the native schema, invoice expiries were incorrectly stored as 64-bit values (expiry in nanoseconds instead of seconds), causing overflow issues. Since we cannot determine the original values, we will set the expiries for existing invoices to 1 hour with this migration. --- invoices/invoices_test.go | 2 +- invoices/sql_store.go | 6 ++++-- .../migrations/000004_invoice_expiry_fix.down.sql | 2 ++ .../migrations/000004_invoice_expiry_fix.up.sql | 14 ++++++++++++++ 4 files changed, 21 insertions(+), 3 deletions(-) create mode 100644 sqldb/sqlc/migrations/000004_invoice_expiry_fix.down.sql create mode 100644 sqldb/sqlc/migrations/000004_invoice_expiry_fix.up.sql diff --git a/invoices/invoices_test.go b/invoices/invoices_test.go index 4e30b0ac96..8002613557 100644 --- a/invoices/invoices_test.go +++ b/invoices/invoices_test.go @@ -69,7 +69,7 @@ func randInvoice(value lnwire.MilliSatoshi) (*invpkg.Invoice, error) { i := &invpkg.Invoice{ CreationDate: testNow, Terms: invpkg.ContractTerm{ - Expiry: 4000, + Expiry: time.Duration(4000) * time.Second, PaymentPreimage: &pre, PaymentAddr: payAddr, Value: value, diff --git a/invoices/sql_store.go b/invoices/sql_store.go index 21254ddef5..4b488715ba 100644 --- a/invoices/sql_store.go +++ b/invoices/sql_store.go @@ -233,7 +233,7 @@ func (i *SQLStore) AddInvoice(ctx context.Context, CltvDelta: sqldb.SQLInt32( newInvoice.Terms.FinalCltvDelta, ), - Expiry: int32(newInvoice.Terms.Expiry), + Expiry: int32(newInvoice.Terms.Expiry.Seconds()), // Note: keysend invoices don't have a payment request. PaymentRequest: sqldb.SQLStr(string( newInvoice.PaymentRequest), @@ -1598,6 +1598,8 @@ func unmarshalInvoice(row sqlc.Invoice) (*lntypes.Hash, *Invoice, cltvDelta = row.CltvDelta.Int32 } + expiry := time.Duration(row.Expiry) * time.Second + invoice := &Invoice{ SettleIndex: uint64(settleIndex), SettleDate: settledAt, @@ -1606,7 +1608,7 @@ func unmarshalInvoice(row sqlc.Invoice) (*lntypes.Hash, *Invoice, CreationDate: row.CreatedAt.Local(), Terms: ContractTerm{ FinalCltvDelta: cltvDelta, - Expiry: time.Duration(row.Expiry), + Expiry: expiry, PaymentPreimage: preimage, Value: lnwire.MilliSatoshi(row.AmountMsat), PaymentAddr: paymentAddr, diff --git a/sqldb/sqlc/migrations/000004_invoice_expiry_fix.down.sql b/sqldb/sqlc/migrations/000004_invoice_expiry_fix.down.sql new file mode 100644 index 0000000000..5a4ff3ab29 --- /dev/null +++ b/sqldb/sqlc/migrations/000004_invoice_expiry_fix.down.sql @@ -0,0 +1,2 @@ +-- Given that all expiries are changed in this migration we won't be able to +-- roll back to the previous values. diff --git a/sqldb/sqlc/migrations/000004_invoice_expiry_fix.up.sql b/sqldb/sqlc/migrations/000004_invoice_expiry_fix.up.sql new file mode 100644 index 0000000000..02311f8300 --- /dev/null +++ b/sqldb/sqlc/migrations/000004_invoice_expiry_fix.up.sql @@ -0,0 +1,14 @@ +-- Update the expiry for all records in the invoices table. This is needed as +-- previously we stored raw time.Duration values which are 64 bit integers and +-- are used to express duration in nanoseconds however the intent is to store +-- invoice expiry in seconds. + +-- Update the expiry to 86400 seconds (24 hours) for non-AMP invoices. +UPDATE invoices +SET expiry = 86400 +WHERE is_amp = FALSE; + +-- Update the expiry to 2592000 seconds (30 days) for AMP invoices +UPDATE invoices +SET expiry = 2592000 +WHERE is_amp = TRUE; From 5292c76e1018e7a84e118282a147cba03908b741 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Tue, 25 Jun 2024 15:18:28 +0200 Subject: [PATCH 068/343] sqldb: extract migration into method Based on: https://github.com/lightninglabs/taproot-assets/pull/707 --- sqldb/migrations.go | 74 +++++++++++++++++++++++++++++++++++++-- sqldb/postgres.go | 84 ++++++++++++++++++++++++++------------------- sqldb/sqlite.go | 74 +++++++++++++++++++++------------------ 3 files changed, 161 insertions(+), 71 deletions(-) diff --git a/sqldb/migrations.go b/sqldb/migrations.go index 6b104f19bd..31319cec80 100644 --- a/sqldb/migrations.go +++ b/sqldb/migrations.go @@ -8,16 +8,71 @@ import ( "net/http" "strings" + "github.com/btcsuite/btclog" "github.com/golang-migrate/migrate/v4" "github.com/golang-migrate/migrate/v4/database" "github.com/golang-migrate/migrate/v4/source/httpfs" ) +// MigrationTarget is a functional option that can be passed to applyMigrations +// to specify a target version to migrate to. +type MigrationTarget func(mig *migrate.Migrate) error + +var ( + // TargetLatest is a MigrationTarget that migrates to the latest + // version available. + TargetLatest = func(mig *migrate.Migrate) error { + return mig.Up() + } + + // TargetVersion is a MigrationTarget that migrates to the given + // version. + TargetVersion = func(version uint) MigrationTarget { + return func(mig *migrate.Migrate) error { + return mig.Migrate(version) + } + } +) + +// migrationLogger is a logger that wraps the passed btclog.Logger so it can be +// used to log migrations. +type migrationLogger struct { + log btclog.Logger +} + +// Printf is like fmt.Printf. We map this to the target logger based on the +// current log level. +func (m *migrationLogger) Printf(format string, v ...interface{}) { + // Trim trailing newlines from the format. + format = strings.TrimRight(format, "\n") + + switch m.log.Level() { + case btclog.LevelTrace: + m.log.Tracef(format, v...) + case btclog.LevelDebug: + m.log.Debugf(format, v...) + case btclog.LevelInfo: + m.log.Infof(format, v...) + case btclog.LevelWarn: + m.log.Warnf(format, v...) + case btclog.LevelError: + m.log.Errorf(format, v...) + case btclog.LevelCritical: + m.log.Criticalf(format, v...) + case btclog.LevelOff: + } +} + +// Verbose should return true when verbose logging output is wanted +func (m *migrationLogger) Verbose() bool { + return m.log.Level() <= btclog.LevelDebug +} + // applyMigrations executes all database migration files found in the given file // system under the given path, using the passed database driver and database // name. func applyMigrations(fs fs.FS, driver database.Driver, path, - dbName string) error { + dbName string, targetVersion MigrationTarget) error { // With the migrate instance open, we'll create a new migration source // using the embedded file system stored in sqlSchemas. The library @@ -37,7 +92,22 @@ func applyMigrations(fs fs.FS, driver database.Driver, path, if err != nil { return err } - err = sqlMigrate.Up() + + migrationVersion, _, err := sqlMigrate.Version() + if err != nil && !errors.Is(err, migrate.ErrNilVersion) { + log.Errorf("Unable to determine current migration version: %v", + err) + + return err + } + + log.Infof("Applying migrations from version=%v", migrationVersion) + + // Apply our local logger to the migration instance. + sqlMigrate.Log = &migrationLogger{log} + + // Execute the migration based on the target given. + err = targetVersion(sqlMigrate) if err != nil && !errors.Is(err, migrate.ErrNoChange) { return err } diff --git a/sqldb/postgres.go b/sqldb/postgres.go index e6e88c93bd..2c7975ff5d 100644 --- a/sqldb/postgres.go +++ b/sqldb/postgres.go @@ -2,6 +2,7 @@ package sqldb import ( "database/sql" + "fmt" "net/url" "path" "strings" @@ -19,6 +20,17 @@ var ( // fully executed yet. So this time needs to be chosen correctly to be // longer than the longest expected individual test run time. DefaultPostgresFixtureLifetime = 10 * time.Minute + + // postgresSchemaReplacements is a map of schema strings that need to be + // replaced for postgres. This is needed because we write the schemas to + // work with sqlite primarily but in sqlc's own dialect, and postgres + // has some differences. + postgresSchemaReplacements = map[string]string{ + "BLOB": "BYTEA", + "INTEGER PRIMARY KEY": "SERIAL PRIMARY KEY", + "BIGINT PRIMARY KEY": "BIGSERIAL PRIMARY KEY", + "TIMESTAMP": "TIMESTAMP WITHOUT TIME ZONE", + } ) // replacePasswordInDSN takes a DSN string and returns it with the password @@ -79,12 +91,7 @@ func NewPostgresStore(cfg *PostgresConfig) (*PostgresStore, error) { } log.Infof("Using SQL database '%s'", sanitizedDSN) - dbName, err := getDatabaseNameFromDSN(cfg.Dsn) - if err != nil { - return nil, err - } - - rawDB, err := sql.Open("pgx", cfg.Dsn) + rawDB, err := sql.Open("postgres", cfg.Dsn) if err != nil { return nil, err } @@ -98,42 +105,47 @@ func NewPostgresStore(cfg *PostgresConfig) (*PostgresStore, error) { rawDB.SetMaxIdleConns(maxConns) rawDB.SetConnMaxLifetime(connIdleLifetime) + queries := sqlc.New(rawDB) + + s := &PostgresStore{ + cfg: cfg, + BaseDB: &BaseDB{ + DB: rawDB, + Queries: queries, + }, + } + + // Execute migrations unless configured to skip them. if !cfg.SkipMigrations { - // Now that the database is open, populate the database with - // our set of schemas based on our embedded in-memory file - // system. - // - // First, we'll need to open up a new migration instance for - // our current target database: Postgres. - driver, err := postgres_migrate.WithInstance( - rawDB, &postgres_migrate.Config{}, - ) + err := s.ExecuteMigrations(TargetLatest) if err != nil { - return nil, err + return nil, fmt.Errorf("error executing migrations: %w", + err) } + } - postgresFS := newReplacerFS(sqlSchemas, map[string]string{ - "BLOB": "BYTEA", - "INTEGER PRIMARY KEY": "SERIAL PRIMARY KEY", - "BIGINT PRIMARY KEY": "BIGSERIAL PRIMARY KEY", - "TIMESTAMP": "TIMESTAMP WITHOUT TIME ZONE", - }) + return s, nil +} - err = applyMigrations( - postgresFS, driver, "sqlc/migrations", dbName, - ) - if err != nil { - return nil, err - } +// ExecuteMigrations runs migrations for the Postgres database, depending on the +// target given, either all migrations or up to a given version. +func (s *PostgresStore) ExecuteMigrations(target MigrationTarget) error { + dbName, err := getDatabaseNameFromDSN(s.cfg.Dsn) + if err != nil { + return err } - queries := sqlc.New(rawDB) + driver, err := postgres_migrate.WithInstance( + s.DB, &postgres_migrate.Config{}, + ) + if err != nil { + return fmt.Errorf("error creating postgres migration: %w", err) + } - return &PostgresStore{ - cfg: cfg, - BaseDB: &BaseDB{ - DB: rawDB, - Queries: queries, - }, - }, nil + // Populate the database with our set of schemas based on our embedded + // in-memory file system. + postgresFS := newReplacerFS(sqlSchemas, postgresSchemaReplacements) + return applyMigrations( + postgresFS, driver, "sqlc/migrations", dbName, target, + ) } diff --git a/sqldb/sqlite.go b/sqldb/sqlite.go index 705d5cc47a..9058a8765f 100644 --- a/sqldb/sqlite.go +++ b/sqldb/sqlite.go @@ -26,6 +26,16 @@ const ( sqliteTxLockImmediate = "_txlock=immediate" ) +var ( + // sqliteSchemaReplacements is a map of schema strings that need to be + // replaced for sqlite. This is needed because sqlite doesn't directly + // support the BIGINT type for primary keys, so we need to replace it + // with INTEGER. + sqliteSchemaReplacements = map[string]string{ + "BIGINT PRIMARY KEY": "INTEGER PRIMARY KEY", + } +) + // SqliteStore is a database store implementation that uses a sqlite backend. type SqliteStore struct { cfg *SqliteConfig @@ -95,46 +105,44 @@ func NewSqliteStore(cfg *SqliteConfig, dbPath string) (*SqliteStore, error) { db.SetMaxOpenConns(defaultMaxConns) db.SetMaxIdleConns(defaultMaxConns) db.SetConnMaxLifetime(connIdleLifetime) - - if !cfg.SkipMigrations { - // Now that the database is open, populate the database with - // our set of schemas based on our embedded in-memory file - // system. - // - // First, we'll need to open up a new migration instance for - // our current target database: sqlite. - driver, err := sqlite_migrate.WithInstance( - db, &sqlite_migrate.Config{}, - ) - if err != nil { - return nil, err - } - - // We use INTEGER PRIMARY KEY for sqlite, because it acts as a - // ROWID alias which is 8 bytes big and also autoincrements. - // It's important to use the ROWID as a primary key because the - // key look ups are almost twice as fast - sqliteFS := newReplacerFS(sqlSchemas, map[string]string{ - "BIGINT PRIMARY KEY": "INTEGER PRIMARY KEY", - }) - - err = applyMigrations( - sqliteFS, driver, "sqlc/migrations", "sqlc", - ) - if err != nil { - return nil, err - } - } - queries := sqlc.New(db) - return &SqliteStore{ + s := &SqliteStore{ cfg: cfg, BaseDB: &BaseDB{ DB: db, Queries: queries, }, - }, nil + } + + // Execute migrations unless configured to skip them. + if !cfg.SkipMigrations { + if err := s.ExecuteMigrations(TargetLatest); err != nil { + return nil, fmt.Errorf("error executing migrations: "+ + "%w", err) + + } + } + + return s, nil +} + +// ExecuteMigrations runs migrations for the sqlite database, depending on the +// target given, either all migrations or up to a given version. +func (s *SqliteStore) ExecuteMigrations(target MigrationTarget) error { + driver, err := sqlite_migrate.WithInstance( + s.DB, &sqlite_migrate.Config{}, + ) + if err != nil { + return fmt.Errorf("error creating sqlite migration: %w", err) + } + + // Populate the database with our set of schemas based on our embedded + // in-memory file system. + sqliteFS := newReplacerFS(sqlSchemas, sqliteSchemaReplacements) + return applyMigrations( + sqliteFS, driver, "sqlc/migrations", "sqlite", target, + ) } // NewTestSqliteDB is a helper function that creates an SQLite database for From ed36598504a5f19b2cedf3899adf6cea15e7e393 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Tue, 25 Jun 2024 15:37:51 +0200 Subject: [PATCH 069/343] sqldb: add helpers to create test DBs migrated up to a select version --- sqldb/postgres_fixture.go | 51 ++++++++++++++++++++++++++++++--------- sqldb/postgres_test.go | 18 +++++++++++++- sqldb/sqlite.go | 26 ++++++++++++++++++++ sqldb/sqlite_test.go | 6 +++++ 4 files changed, 88 insertions(+), 13 deletions(-) diff --git a/sqldb/postgres_fixture.go b/sqldb/postgres_fixture.go index a0f0893cef..e801d943fb 100644 --- a/sqldb/postgres_fixture.go +++ b/sqldb/postgres_fixture.go @@ -124,28 +124,28 @@ func (f *TestPgFixture) TearDown(t *testing.T) { require.NoError(t, err, "Could not purge resource") } +// randomDBName generates a random database name. +func randomDBName(t *testing.T) string { + randBytes := make([]byte, 8) + _, err := rand.Read(randBytes) + require.NoError(t, err) + + return "test_" + hex.EncodeToString(randBytes) +} + // NewTestPostgresDB is a helper function that creates a Postgres database for // testing using the given fixture. func NewTestPostgresDB(t *testing.T, fixture *TestPgFixture) *PostgresStore { t.Helper() - // Create random database name. - randBytes := make([]byte, 8) - _, err := rand.Read(randBytes) - if err != nil { - t.Fatal(err) - } - - dbName := "test_" + hex.EncodeToString(randBytes) + dbName := randomDBName(t) t.Logf("Creating new Postgres DB '%s' for testing", dbName) - _, err = fixture.db.ExecContext( + _, err := fixture.db.ExecContext( context.Background(), "CREATE DATABASE "+dbName, ) - if err != nil { - t.Fatal(err) - } + require.NoError(t, err) cfg := fixture.GetConfig(dbName) store, err := NewPostgresStore(cfg) @@ -153,3 +153,30 @@ func NewTestPostgresDB(t *testing.T, fixture *TestPgFixture) *PostgresStore { return store } + +// NewTestPostgresDBWithVersion is a helper function that creates a Postgres +// database for testing and migrates it to the given version. +func NewTestPostgresDBWithVersion(t *testing.T, fixture *TestPgFixture, + version uint) *PostgresStore { + + t.Helper() + + t.Logf("Creating new Postgres DB for testing, migrating to version %d", + version) + + dbName := randomDBName(t) + _, err := fixture.db.ExecContext( + context.Background(), "CREATE DATABASE "+dbName, + ) + require.NoError(t, err) + + storeCfg := fixture.GetConfig(dbName) + storeCfg.SkipMigrations = true + store, err := NewPostgresStore(storeCfg) + require.NoError(t, err) + + err = store.ExecuteMigrations(TargetVersion(version)) + require.NoError(t, err) + + return store +} diff --git a/sqldb/postgres_test.go b/sqldb/postgres_test.go index c31daf04b6..22a29f885a 100644 --- a/sqldb/postgres_test.go +++ b/sqldb/postgres_test.go @@ -9,5 +9,21 @@ import ( // NewTestDB is a helper function that creates a Postgres database for testing. func NewTestDB(t *testing.T) *PostgresStore { - return NewTestPostgresDB(t) + pgFixture := NewTestPgFixture(t, DefaultPostgresFixtureLifetime) + t.Cleanup(func() { + pgFixture.TearDown(t) + }) + + return NewTestPostgresDB(t, pgFixture) +} + +// NewTestDBWithVersion is a helper function that creates a Postgres database +// for testing and migrates it to the given version. +func NewTestDBWithVersion(t *testing.T, version uint) *PostgresStore { + pgFixture := NewTestPgFixture(t, DefaultPostgresFixtureLifetime) + t.Cleanup(func() { + pgFixture.TearDown(t) + }) + + return NewTestPostgresDBWithVersion(t, pgFixture, version) } diff --git a/sqldb/sqlite.go b/sqldb/sqlite.go index 9058a8765f..99e55d6eaf 100644 --- a/sqldb/sqlite.go +++ b/sqldb/sqlite.go @@ -166,3 +166,29 @@ func NewTestSqliteDB(t *testing.T) *SqliteStore { return sqlDB } + +// NewTestSqliteDBWithVersion is a helper function that creates an SQLite +// database for testing and migrates it to the given version. +func NewTestSqliteDBWithVersion(t *testing.T, version uint) *SqliteStore { + t.Helper() + + t.Logf("Creating new SQLite DB for testing, migrating to version %d", + version) + + // TODO(roasbeef): if we pass :memory: for the file name, then we get + // an in mem version to speed up tests + dbFileName := filepath.Join(t.TempDir(), "tmp.db") + sqlDB, err := NewSqliteStore(&SqliteConfig{ + SkipMigrations: true, + }, dbFileName) + require.NoError(t, err) + + err = sqlDB.ExecuteMigrations(TargetVersion(version)) + require.NoError(t, err) + + t.Cleanup(func() { + require.NoError(t, sqlDB.DB.Close()) + }) + + return sqlDB +} diff --git a/sqldb/sqlite_test.go b/sqldb/sqlite_test.go index 58c94b3517..9dfb875ea5 100644 --- a/sqldb/sqlite_test.go +++ b/sqldb/sqlite_test.go @@ -11,3 +11,9 @@ import ( func NewTestDB(t *testing.T) *SqliteStore { return NewTestSqliteDB(t) } + +// NewTestDBWithVersion is a helper function that creates an SQLite database +// for testing and migrates it to the given version. +func NewTestDBWithVersion(t *testing.T, version uint) *SqliteStore { + return NewTestSqliteDBWithVersion(t, version) +} From 95b99420fa476009e862eb76425b97fa0f74ccdb Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Tue, 25 Jun 2024 15:50:00 +0200 Subject: [PATCH 070/343] sqldb: add unit test for the invoice expiry migration --- sqldb/migrations_test.go | 154 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 sqldb/migrations_test.go diff --git a/sqldb/migrations_test.go b/sqldb/migrations_test.go new file mode 100644 index 0000000000..cd55e92cb8 --- /dev/null +++ b/sqldb/migrations_test.go @@ -0,0 +1,154 @@ +package sqldb + +import ( + "context" + "testing" + + "github.com/lightningnetwork/lnd/sqldb/sqlc" + "github.com/stretchr/testify/require" +) + +// makeMigrationTestDB is a type alias for a function that creates a new test +// database and returns the base database and a function that executes selected +// migrations. +type makeMigrationTestDB = func(*testing.T, uint) (*BaseDB, + func(MigrationTarget) error) + +// TestMigrations is a meta test runner that runs all migration tests. +func TestMigrations(t *testing.T) { + sqliteTestDB := func(t *testing.T, version uint) (*BaseDB, + func(MigrationTarget) error) { + + db := NewTestSqliteDBWithVersion(t, version) + + return db.BaseDB, db.ExecuteMigrations + } + + postgresTestDB := func(t *testing.T, version uint) (*BaseDB, + func(MigrationTarget) error) { + + pgFixture := NewTestPgFixture(t, DefaultPostgresFixtureLifetime) + t.Cleanup(func() { + pgFixture.TearDown(t) + }) + + db := NewTestPostgresDBWithVersion( + t, pgFixture, version, + ) + + return db.BaseDB, db.ExecuteMigrations + } + + tests := []struct { + name string + test func(*testing.T, makeMigrationTestDB) + }{ + { + name: "TestInvoiceExpiryMigration", + test: testInvoiceExpiryMigration, + }, + } + + for _, test := range tests { + test := test + + t.Run(test.name+"_SQLite", func(t *testing.T) { + test.test(t, sqliteTestDB) + }) + + t.Run(test.name+"_Postgres", func(t *testing.T) { + test.test(t, postgresTestDB) + }) + + } +} + +// TestInvoiceExpiryMigration tests that the migration from version 3 to 4 +// correctly sets the expiry value of normal invoices to 86400 seconds and +// 2592000 seconds for AMP invoices. +func testInvoiceExpiryMigration(t *testing.T, makeDB makeMigrationTestDB) { + t.Parallel() + ctxb := context.Background() + + // Create a new database that already has the first version of the + // native invoice schema. + db, migrate := makeDB(t, 3) + + // Add a few invoices. For simplicity we reuse the payment hash as the + // payment address and payment request hash instead of setting them to + // NULL (to not run into uniqueness constraints). Note that SQLC + // currently doesn't support nullable blob fields porperly. A workaround + // is in progress: https://github.com/sqlc-dev/sqlc/issues/3149 + + // Add an invoice where is_amp will be set to false. + hash1 := []byte{1, 2, 3} + _, err := db.InsertInvoice(ctxb, sqlc.InsertInvoiceParams{ + Hash: hash1, + PaymentAddr: hash1, + PaymentRequestHash: hash1, + Expiry: -123, + IsAmp: false, + }) + require.NoError(t, err) + + // Add an invoice where is_amp will be set to false. + hash2 := []byte{4, 5, 6} + _, err = db.InsertInvoice(ctxb, sqlc.InsertInvoiceParams{ + Hash: hash2, + PaymentAddr: hash2, + PaymentRequestHash: hash2, + Expiry: -456, + IsAmp: true, + }) + require.NoError(t, err) + + // Now, we'll attempt to execute the migration that will fix the expiry + // values by inserting 86400 seconds for non AMP and 2592000 seconds for + // AMP invoices. + err = migrate(TargetVersion(4)) + + invoices, err := db.FilterInvoices(ctxb, sqlc.FilterInvoicesParams{ + AddIndexGet: SQLInt64(1), + NumLimit: 100, + }) + + const ( + // 1 day in seconds. + expiry = int32(86400) + // 30 days in seconds. + expiryAMP = int32(2592000) + ) + + expected := []sqlc.Invoice{ + { + ID: 1, + Hash: hash1, + PaymentAddr: hash1, + PaymentRequestHash: hash1, + Expiry: expiry, + }, + { + ID: 2, + Hash: hash2, + PaymentAddr: hash2, + PaymentRequestHash: hash2, + Expiry: expiryAMP, + IsAmp: true, + }, + } + + for i := range invoices { + // Override the timestamp location as the sql driver will scan + // the timestamp with no location and we can't create such + // timestamps in Golang using the standard time package. + invoices[i].CreatedAt = invoices[i].CreatedAt.UTC() + + // Override the preimage as depending on the driver it is either + // scanned as nil or an empty byte slice. + require.Len(t, invoices[i].Preimage, 0) + invoices[i].Preimage = nil + } + + require.NoError(t, err) + require.Equal(t, expected, invoices) +} From d0c1cec8c163f9ba19293ca04ea418971f509a4a Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Wed, 3 Jul 2024 08:32:48 +0200 Subject: [PATCH 071/343] sqldb: switch away from pq to pgx for Postgres Completely switch to the better maintained pgx driver. --- go.mod | 1 + go.sum | 6 ++++-- sqldb/go.mod | 3 ++- sqldb/go.sum | 10 +++++++++- sqldb/postgres.go | 9 ++++----- sqldb/postgres_fixture.go | 4 ++-- 6 files changed, 22 insertions(+), 11 deletions(-) diff --git a/go.mod b/go.mod index 2b38c7cc02..a1f55dcc0d 100644 --- a/go.mod +++ b/go.mod @@ -112,6 +112,7 @@ require ( github.com/jackc/pgproto3/v2 v2.3.3 // indirect github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect github.com/jackc/pgtype v1.14.0 // indirect + github.com/jackc/pgx/v5 v5.3.1 // indirect github.com/jackc/puddle v1.3.0 // indirect github.com/jonboulle/clockwork v0.2.2 // indirect github.com/json-iterator/go v1.1.11 // indirect diff --git a/go.sum b/go.sum index 97826101b5..ba15e2c75f 100644 --- a/go.sum +++ b/go.sum @@ -365,6 +365,8 @@ github.com/jackc/pgx/v4 v4.0.0-pre1.0.20190824185557-6972a5742186/go.mod h1:X+GQ github.com/jackc/pgx/v4 v4.12.1-0.20210724153913-640aa07df17c/go.mod h1:1QD0+tgSXP7iUjYm9C1NxKhny7lq6ee99u/z+IHFcgs= github.com/jackc/pgx/v4 v4.18.2 h1:xVpYkNR5pk5bMCZGfClbO962UIqVABcAGt7ha1s/FeU= github.com/jackc/pgx/v4 v4.18.2/go.mod h1:Ey4Oru5tH5sB6tV7hDmfWFahwF15Eb7DNXlRKx2CkVw= +github.com/jackc/pgx/v5 v5.3.1 h1:Fcr8QJ1ZeLi5zsPZqQeUZhNhxfkkKBOgJuYkJHoBOtU= +github.com/jackc/pgx/v5 v5.3.1/go.mod h1:t3JDKnCBlYIc0ewLF0Q7B8MXmoIaBOZj/ic7iHozM/8= github.com/jackc/puddle v0.0.0-20190413234325-e4ced69a3a2b/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk= github.com/jackc/puddle v0.0.0-20190608224051-11cab39313c9/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk= github.com/jackc/puddle v1.1.3/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk= @@ -554,8 +556,8 @@ github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJ github.com/rogpeppe/fastuuid v1.2.0 h1:Ppwyp6VYCF1nvBTXL3trRso7mXMlRrw9ooo375wvi2s= github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ= github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4= -github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8= -github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs= +github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8= +github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4= github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ= github.com/rs/zerolog v1.13.0/go.mod h1:YbFCdg8HfsridGWAh22vktObvhZbQsZXe4/zB0OKkWU= github.com/rs/zerolog v1.15.0/go.mod h1:xYTKnLHcpfU2225ny5qZjxnj9NvkumZYjJHlAThCjNc= diff --git a/sqldb/go.mod b/sqldb/go.mod index 51792d2e0b..8fbfeeeea5 100644 --- a/sqldb/go.mod +++ b/sqldb/go.mod @@ -7,7 +7,7 @@ require ( github.com/golang-migrate/migrate/v4 v4.17.0 github.com/jackc/pgconn v1.14.3 github.com/jackc/pgerrcode v0.0.0-20240316143900-6e2875d9b438 - github.com/lib/pq v1.10.9 + github.com/jackc/pgx/v5 v5.3.1 github.com/ory/dockertest/v3 v3.10.0 github.com/stretchr/testify v1.9.0 golang.org/x/exp v0.0.0-20240325151524-a685a6edb6d8 @@ -48,6 +48,7 @@ require ( github.com/pkg/errors v0.9.1 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect + github.com/rogpeppe/go-internal v1.12.0 // indirect github.com/sirupsen/logrus v1.9.2 // indirect github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect diff --git a/sqldb/go.sum b/sqldb/go.sum index 140eb99967..ffcf7ac56d 100644 --- a/sqldb/go.sum +++ b/sqldb/go.sum @@ -83,10 +83,15 @@ github.com/jackc/pgproto3/v2 v2.3.3 h1:1HLSx5H+tXR9pW3in3zaztoEwQYRC9SQaYUHjTSUO github.com/jackc/pgproto3/v2 v2.3.3/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA= github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a h1:bbPeKD0xmW/Y25WS6cokEszi5g+S0QxI/d45PkRi7Nk= github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM= +github.com/jackc/pgx/v5 v5.3.1 h1:Fcr8QJ1ZeLi5zsPZqQeUZhNhxfkkKBOgJuYkJHoBOtU= +github.com/jackc/pgx/v5 v5.3.1/go.mod h1:t3JDKnCBlYIc0ewLF0Q7B8MXmoIaBOZj/ic7iHozM/8= github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= +github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0= +github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw= github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= @@ -118,6 +123,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE= github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo= +github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8= +github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4= github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/seccomp/libseccomp-golang v0.9.2-0.20220502022130-f33da4d89646/go.mod h1:JA8cRccbGaA1s33RQf7Y1+q9gHmZX1yB/z9WDN1C6fg= github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc= @@ -201,8 +208,9 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= +gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/sqldb/postgres.go b/sqldb/postgres.go index 2c7975ff5d..6a4123ed36 100644 --- a/sqldb/postgres.go +++ b/sqldb/postgres.go @@ -8,8 +8,9 @@ import ( "strings" "time" - postgres_migrate "github.com/golang-migrate/migrate/v4/database/postgres" + pgx_migrate "github.com/golang-migrate/migrate/v4/database/pgx/v5" _ "github.com/golang-migrate/migrate/v4/source/file" // Read migrations from files. // nolint:lll + _ "github.com/jackc/pgx/v5" "github.com/lightningnetwork/lnd/sqldb/sqlc" ) @@ -91,7 +92,7 @@ func NewPostgresStore(cfg *PostgresConfig) (*PostgresStore, error) { } log.Infof("Using SQL database '%s'", sanitizedDSN) - rawDB, err := sql.Open("postgres", cfg.Dsn) + rawDB, err := sql.Open("pgx", cfg.Dsn) if err != nil { return nil, err } @@ -135,9 +136,7 @@ func (s *PostgresStore) ExecuteMigrations(target MigrationTarget) error { return err } - driver, err := postgres_migrate.WithInstance( - s.DB, &postgres_migrate.Config{}, - ) + driver, err := pgx_migrate.WithInstance(s.DB, &pgx_migrate.Config{}) if err != nil { return fmt.Errorf("error creating postgres migration: %w", err) } diff --git a/sqldb/postgres_fixture.go b/sqldb/postgres_fixture.go index e801d943fb..da5769c429 100644 --- a/sqldb/postgres_fixture.go +++ b/sqldb/postgres_fixture.go @@ -13,7 +13,7 @@ import ( "testing" "time" - _ "github.com/lib/pq" // Import the postgres driver. + _ "github.com/jackc/pgx/v5" "github.com/ory/dockertest/v3" "github.com/ory/dockertest/v3/docker" "github.com/stretchr/testify/require" @@ -91,7 +91,7 @@ func NewTestPgFixture(t *testing.T, expiry time.Duration) *TestPgFixture { var testDB *sql.DB err = pool.Retry(func() error { - testDB, err = sql.Open("postgres", databaseURL) + testDB, err = sql.Open("pgx", databaseURL) if err != nil { return err } From 053faa62296632ee2d4890b9a3c039ea5ec5734a Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 27 Jun 2024 22:44:15 +0200 Subject: [PATCH 072/343] docs: update release notes for 0.18.3-beta --- docs/release-notes/release-notes-0.18.3.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 1739c20017..3017b1ffd2 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -91,6 +91,12 @@ ## Testing ## Database + +* [Migrate](https://github.com/lightningnetwork/lnd/pull/8855) incorrectly + stored invoice expiry values. This migration only affects users of native SQL + invoice database. Invoices with incorrect expiry values will be updated to + 24-hour expiry, which is the default behavior in LND. + ## Code Health ## Tooling and Documentation From f7a9aa875ee313430361edc1fccb277a3b606d64 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 13 May 2024 13:44:56 +0200 Subject: [PATCH 073/343] routing+refactor: let BlindedEdge carry BlindedPayment This commit is purely a refactor. In it, we let the `BlindedEdge` struct carry a pointer to the `BlindedPayment` that it was derived from. This is done now because later on in the PR series, we will need more information about the `BlindedPayment` that an edge was derived from. Since we now pass in the whole BlindedPayment, we swap out the `cipherText` member for a `hopIndex` member so that we dont carry around two sources of truth in the same struct. --- routing/additional_edge.go | 47 +++++++++++++++++++++---- routing/additional_edge_test.go | 22 ++++++++---- routing/blinding.go | 28 +++++++-------- routing/blinding_test.go | 62 ++++++++++++++++++--------------- routing/pathfind_test.go | 4 ++- routing/router.go | 6 +++- 6 files changed, 109 insertions(+), 60 deletions(-) diff --git a/routing/additional_edge.go b/routing/additional_edge.go index eee17cce1a..a1e5fc8564 100644 --- a/routing/additional_edge.go +++ b/routing/additional_edge.go @@ -2,8 +2,8 @@ package routing import ( "errors" + "fmt" - "github.com/btcsuite/btcd/btcec/v2" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" @@ -61,11 +61,42 @@ func (p *PrivateEdge) IntermediatePayloadSize(amount lnwire.MilliSatoshi, } // BlindedEdge implements the AdditionalEdge interface. Blinded hops are viewed -// as additional edges because they are appened at the end of a normal route. +// as additional edges because they are appended at the end of a normal route. type BlindedEdge struct { - policy *models.CachedEdgePolicy - cipherText []byte - blindingPoint *btcec.PublicKey + policy *models.CachedEdgePolicy + + // blindedPayment is the BlindedPayment that this blinded edge was + // derived from. + blindedPayment *BlindedPayment + + // hopIndex is the index of the hop in the blinded payment path that + // this edge is associated with. + hopIndex int +} + +// NewBlindedEdge constructs a new BlindedEdge which packages the policy info +// for a specific hop within the given blinded payment path. The hop index +// should correspond to the hop within the blinded payment that this edge is +// associated with. +func NewBlindedEdge(policy *models.CachedEdgePolicy, payment *BlindedPayment, + hopIndex int) (*BlindedEdge, error) { + + if payment == nil { + return nil, fmt.Errorf("blinded payment cannot be nil for " + + "blinded edge") + } + + if hopIndex < 0 || hopIndex >= len(payment.BlindedPath.BlindedHops) { + return nil, fmt.Errorf("the hop index %d is outside the "+ + "valid range between 0 and %d", hopIndex, + len(payment.BlindedPath.BlindedHops)-1) + } + + return &BlindedEdge{ + policy: policy, + hopIndex: hopIndex, + blindedPayment: payment, + }, nil } // EdgePolicy return the policy of the BlindedEdge. @@ -78,9 +109,11 @@ func (b *BlindedEdge) EdgePolicy() *models.CachedEdgePolicy { func (b *BlindedEdge) IntermediatePayloadSize(_ lnwire.MilliSatoshi, _ uint32, _ uint64) uint64 { + blindedPath := b.blindedPayment.BlindedPath + hop := route.Hop{ - BlindingPoint: b.blindingPoint, - EncryptedData: b.cipherText, + BlindingPoint: blindedPath.BlindingPoint, + EncryptedData: blindedPath.BlindedHops[b.hopIndex].CipherText, } // For blinded paths the next chanID is in the encrypted data tlv. diff --git a/routing/additional_edge_test.go b/routing/additional_edge_test.go index b5628c6b7f..0324e2e106 100644 --- a/routing/additional_edge_test.go +++ b/routing/additional_edge_test.go @@ -42,9 +42,13 @@ func TestIntermediatePayloadSize(t *testing.T) { hop: route.Hop{ EncryptedData: []byte{12, 13}, }, - edge: &BlindedEdge{ - cipherText: []byte{12, 13}, - }, + edge: &BlindedEdge{blindedPayment: &BlindedPayment{ + BlindedPath: &sphinx.BlindedPath{ + BlindedHops: []*sphinx.BlindedHopInfo{ + {CipherText: []byte{12, 13}}, + }, + }, + }}, }, { name: "Blinded edge - introduction point", @@ -52,10 +56,14 @@ func TestIntermediatePayloadSize(t *testing.T) { EncryptedData: []byte{12, 13}, BlindingPoint: blindedPoint, }, - edge: &BlindedEdge{ - cipherText: []byte{12, 13}, - blindingPoint: blindedPoint, - }, + edge: &BlindedEdge{blindedPayment: &BlindedPayment{ + BlindedPath: &sphinx.BlindedPath{ + BlindingPoint: blindedPoint, + BlindedHops: []*sphinx.BlindedHopInfo{ + {CipherText: []byte{12, 13}}, + }, + }, + }}, }, } diff --git a/routing/blinding.go b/routing/blinding.go index d2d64aa5dd..788fb7b77e 100644 --- a/routing/blinding.go +++ b/routing/blinding.go @@ -88,13 +88,13 @@ func (b *BlindedPayment) Validate() error { // the case of multiple blinded hops, CLTV delta is fully accounted for in the // hints (both for intermediate hops and the final_cltv_delta for the receiving // node). -func (b *BlindedPayment) toRouteHints() RouteHints { +func (b *BlindedPayment) toRouteHints() (RouteHints, error) { // If we just have a single hop in our blinded route, it just contains // an introduction node (this is a valid path according to the spec). // Since we have the un-blinded node ID for the introduction node, we // don't need to add any route hints. if len(b.BlindedPath.BlindedHops) == 1 { - return nil + return nil, nil } hintCount := len(b.BlindedPath.BlindedHops) - 1 @@ -136,14 +136,13 @@ func (b *BlindedPayment) toRouteHints() RouteHints { ToNodeFeatures: features, } - hints[fromNode] = []AdditionalEdge{ - &BlindedEdge{ - policy: edgePolicy, - cipherText: b.BlindedPath.BlindedHops[0].CipherText, - blindingPoint: b.BlindedPath.BlindingPoint, - }, + edge, err := NewBlindedEdge(edgePolicy, b, 0) + if err != nil { + return nil, err } + hints[fromNode] = []AdditionalEdge{edge} + // Start at an offset of 1 because the first node in our blinded hops // is the introduction node and terminate at the second-last node // because we're dealing with hops as pairs. @@ -169,14 +168,13 @@ func (b *BlindedPayment) toRouteHints() RouteHints { ToNodeFeatures: features, } - hints[fromNode] = []AdditionalEdge{ - &BlindedEdge{ - policy: edgePolicy, - cipherText: b.BlindedPath.BlindedHops[i]. - CipherText, - }, + edge, err := NewBlindedEdge(edgePolicy, b, i) + if err != nil { + return nil, err } + + hints[fromNode] = []AdditionalEdge{edge} } - return hints + return hints, nil } diff --git a/routing/blinding_test.go b/routing/blinding_test.go index f6327ecd5d..58ad565949 100644 --- a/routing/blinding_test.go +++ b/routing/blinding_test.go @@ -128,7 +128,9 @@ func TestBlindedPaymentToHints(t *testing.T) { HtlcMaximum: htlcMax, Features: features, } - require.Nil(t, blindedPayment.toRouteHints()) + hints, err := blindedPayment.toRouteHints() + require.NoError(t, err) + require.Nil(t, hints) // Populate the blinded payment with hops. blindedPayment.BlindedPath.BlindedHops = []*sphinx.BlindedHopInfo{ @@ -146,41 +148,43 @@ func TestBlindedPaymentToHints(t *testing.T) { }, } + policy1 := &models.CachedEdgePolicy{ + TimeLockDelta: cltvDelta, + MinHTLC: lnwire.MilliSatoshi(htlcMin), + MaxHTLC: lnwire.MilliSatoshi(htlcMax), + FeeBaseMSat: lnwire.MilliSatoshi(baseFee), + FeeProportionalMillionths: lnwire.MilliSatoshi( + ppmFee, + ), + ToNodePubKey: func() route.Vertex { + return vb2 + }, + ToNodeFeatures: features, + } + policy2 := &models.CachedEdgePolicy{ + ToNodePubKey: func() route.Vertex { + return vb3 + }, + ToNodeFeatures: features, + } + + blindedEdge1, err := NewBlindedEdge(policy1, blindedPayment, 0) + require.NoError(t, err) + + blindedEdge2, err := NewBlindedEdge(policy2, blindedPayment, 1) + require.NoError(t, err) + expected := RouteHints{ v1: { - //nolint:lll - &BlindedEdge{ - policy: &models.CachedEdgePolicy{ - TimeLockDelta: cltvDelta, - MinHTLC: lnwire.MilliSatoshi(htlcMin), - MaxHTLC: lnwire.MilliSatoshi(htlcMax), - FeeBaseMSat: lnwire.MilliSatoshi(baseFee), - FeeProportionalMillionths: lnwire.MilliSatoshi( - ppmFee, - ), - ToNodePubKey: func() route.Vertex { - return vb2 - }, - ToNodeFeatures: features, - }, - blindingPoint: blindedPoint, - cipherText: cipherText, - }, + blindedEdge1, }, vb2: { - &BlindedEdge{ - policy: &models.CachedEdgePolicy{ - ToNodePubKey: func() route.Vertex { - return vb3 - }, - ToNodeFeatures: features, - }, - cipherText: cipherText, - }, + blindedEdge2, }, } - actual := blindedPayment.toRouteHints() + actual, err := blindedPayment.toRouteHints() + require.NoError(t, err) require.Equal(t, len(expected), len(actual)) for vertex, expectedHint := range expected { diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 06005716f5..fd9839dbaf 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3341,7 +3341,9 @@ func TestBlindedRouteConstruction(t *testing.T) { // that make up the graph we'll give to route construction. The hints // map is keyed by source node, so we can retrieve our blinded edges // accordingly. - blindedEdges := blindedPayment.toRouteHints() + blindedEdges, err := blindedPayment.toRouteHints() + require.NoError(t, err) + carolDaveEdge := blindedEdges[carolVertex][0] daveEveEdge := blindedEdges[daveBlindedVertex][0] diff --git a/routing/router.go b/routing/router.go index 851db4af0b..149cd34156 100644 --- a/routing/router.go +++ b/routing/router.go @@ -2001,6 +2001,7 @@ func NewRouteRequest(source route.Vertex, target *route.Vertex, // Assume that we're starting off with a regular payment. requestHints = routeHints requestExpiry = finalExpiry + err error ) if blindedPayment != nil { @@ -2038,7 +2039,10 @@ func NewRouteRequest(source route.Vertex, target *route.Vertex, requestExpiry = blindedPayment.CltvExpiryDelta } - requestHints = blindedPayment.toRouteHints() + requestHints, err = blindedPayment.toRouteHints() + if err != nil { + return nil, err + } } requestTarget, err := getTargetNode(target, blindedPayment) From 28d1227c04278f212734f9877e99ba471c3c9442 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 14 May 2024 12:34:33 +0200 Subject: [PATCH 074/343] routing: add BlindedPayment() method to AdditionalEdges Expand the AdditionalEdges interface with a BlindedPayment method. In upcoming commits, we will want to know if an AdditionalEdge was derived from a blinded payment or not and we will also need some information from the blinded payment it was derived from. So we expand the interface here to avoid needing to do type casts later on. The new method may return nil if the edge was not derived from a blinded payment. --- routing/additional_edge.go | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/routing/additional_edge.go b/routing/additional_edge.go index a1e5fc8564..5f2d42eebc 100644 --- a/routing/additional_edge.go +++ b/routing/additional_edge.go @@ -29,6 +29,11 @@ type AdditionalEdge interface { // EdgePolicy returns the policy of the additional edge. EdgePolicy() *models.CachedEdgePolicy + + // BlindedPayment returns the BlindedPayment that this additional edge + // info was derived from. It will return nil if this edge was not + // derived from a blinded route. + BlindedPayment() *BlindedPayment } // PayloadSizeFunc defines the interface for the payload size function. @@ -60,6 +65,12 @@ func (p *PrivateEdge) IntermediatePayloadSize(amount lnwire.MilliSatoshi, return hop.PayloadSize(channelID) } +// BlindedPayment is a no-op for a PrivateEdge since it is not associated with +// a blinded payment. This will thus return nil. +func (p *PrivateEdge) BlindedPayment() *BlindedPayment { + return nil +} + // BlindedEdge implements the AdditionalEdge interface. Blinded hops are viewed // as additional edges because they are appended at the end of a normal route. type BlindedEdge struct { @@ -120,6 +131,12 @@ func (b *BlindedEdge) IntermediatePayloadSize(_ lnwire.MilliSatoshi, _ uint32, return hop.PayloadSize(0) } +// BlindedPayment returns the blinded payment that this edge is associated +// with. +func (b *BlindedEdge) BlindedPayment() *BlindedPayment { + return b.blindedPayment +} + // Compile-time constraints to ensure the PrivateEdge and the BlindedEdge // implement the AdditionalEdge interface. var _ AdditionalEdge = (*PrivateEdge)(nil) From 1ec2a1be1168255174d3793529393876ab97c2cf Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 14 May 2024 12:47:36 +0200 Subject: [PATCH 075/343] routing+refactor: add a constructor for unifiedEdge Add a constructor for unified edge. In upcoming commits, we will add a new member to unifiedEdge and a constructor forces us to not forget to populate a required member. --- routing/unified_edges.go | 53 ++++++++++++++++++++++------------------ 1 file changed, 29 insertions(+), 24 deletions(-) diff --git a/routing/unified_edges.go b/routing/unified_edges.go index 232c92e1c6..61c756ff34 100644 --- a/routing/unified_edges.go +++ b/routing/unified_edges.go @@ -86,12 +86,9 @@ func (u *nodeEdgeUnifier) addPolicy(fromNode route.Vertex, inboundFee = models.InboundFee{} } - unifier.edges = append(unifier.edges, &unifiedEdge{ - policy: edge, - capacity: capacity, - hopPayloadSizeFn: hopPayloadSizeFn, - inboundFees: inboundFee, - }) + unifier.edges = append(unifier.edges, newUnifiedEdge( + edge, capacity, inboundFee, hopPayloadSizeFn, + )) } // addGraphPolicies adds all policies that are known for the toNode in the @@ -139,6 +136,19 @@ type unifiedEdge struct { hopPayloadSizeFn PayloadSizeFunc } +// newUnifiedEdge constructs a new unifiedEdge. +func newUnifiedEdge(policy *models.CachedEdgePolicy, capacity btcutil.Amount, + inboundFees models.InboundFee, + hopPayloadSizeFn PayloadSizeFunc) *unifiedEdge { + + return &unifiedEdge{ + policy: policy, + capacity: capacity, + inboundFees: inboundFees, + hopPayloadSizeFn: hopPayloadSizeFn, + } +} + // amtInRange checks whether an amount falls within the valid range for a // channel. func (u *unifiedEdge) amtInRange(amt lnwire.MilliSatoshi) bool { @@ -292,12 +302,10 @@ func (u *edgeUnifier) getEdgeLocal(netAmtReceived lnwire.MilliSatoshi, maxBandwidth = bandwidth // Update best edge. - bestEdge = &unifiedEdge{ - policy: edge.policy, - capacity: edge.capacity, - hopPayloadSizeFn: edge.hopPayloadSizeFn, - inboundFees: edge.inboundFees, - } + bestEdge = newUnifiedEdge( + edge.policy, edge.capacity, edge.inboundFees, + edge.hopPayloadSizeFn, + ) } return bestEdge @@ -376,10 +384,9 @@ func (u *edgeUnifier) getEdgeNetwork(netAmtReceived lnwire.MilliSatoshi, } maxFee = fee - bestPolicy = &unifiedEdge{ - policy: edge.policy, - inboundFees: edge.inboundFees, - } + bestPolicy = newUnifiedEdge( + edge.policy, 0, edge.inboundFees, nil, + ) // The payload size function for edges to a connected peer is // always the same hence there is not need to find the maximum. @@ -404,15 +411,13 @@ func (u *edgeUnifier) getEdgeNetwork(netAmtReceived lnwire.MilliSatoshi, // chance for this node pair. But this is all only needed for nodes that // have distinct policies for channels to the same peer. policyCopy := *bestPolicy.policy - modifiedEdge := unifiedEdge{ - policy: &policyCopy, - inboundFees: bestPolicy.inboundFees, - } - modifiedEdge.policy.TimeLockDelta = maxTimelock - modifiedEdge.capacity = maxCapMsat.ToSatoshis() - modifiedEdge.hopPayloadSizeFn = hopPayloadSizeFn + policyCopy.TimeLockDelta = maxTimelock + modifiedEdge := newUnifiedEdge( + &policyCopy, maxCapMsat.ToSatoshis(), bestPolicy.inboundFees, + hopPayloadSizeFn, + ) - return &modifiedEdge + return modifiedEdge } // minAmt returns the minimum amount that can be forwarded on this connection. From 925b68c1ed1de530fd35b7d6341e5bd3d7df0b54 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 14 May 2024 12:53:02 +0200 Subject: [PATCH 076/343] routing: add BlindedPayment to unifiedEdge Later on in this series, we will need to know during path finding if an edge we are traversing was derived from a blinded payment path. In preparation for that, we add a BlindedPayment member to the `unifiedEdge` struct. The reason we will need this later on is because: In the case where we receive multiple blinded paths from the receipient, we will first swap out the final hop node of each path with a single unified target node so that path finding can work as normal. Once we have selected a route though, we will want to know which path an edge belongs to so that we can swap the correct destination node back in. --- routing/pathfind.go | 1 + routing/unified_edges.go | 21 ++++++++++++++------- routing/unified_edges_test.go | 19 ++++++++++--------- 3 files changed, 25 insertions(+), 16 deletions(-) diff --git a/routing/pathfind.go b/routing/pathfind.go index fbe4b58308..801725d3e6 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -968,6 +968,7 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, inboundFee, fakeHopHintCapacity, reverseEdge.edge.IntermediatePayloadSize, + reverseEdge.edge.BlindedPayment(), ) } diff --git a/routing/unified_edges.go b/routing/unified_edges.go index 61c756ff34..d39eda1efd 100644 --- a/routing/unified_edges.go +++ b/routing/unified_edges.go @@ -51,7 +51,8 @@ func newNodeEdgeUnifier(sourceNode, toNode route.Vertex, useInboundFees bool, // incorrectly specified. func (u *nodeEdgeUnifier) addPolicy(fromNode route.Vertex, edge *models.CachedEdgePolicy, inboundFee models.InboundFee, - capacity btcutil.Amount, hopPayloadSizeFn PayloadSizeFunc) { + capacity btcutil.Amount, hopPayloadSizeFn PayloadSizeFunc, + blindedPayment *BlindedPayment) { localChan := fromNode == u.sourceNode @@ -87,7 +88,7 @@ func (u *nodeEdgeUnifier) addPolicy(fromNode route.Vertex, } unifier.edges = append(unifier.edges, newUnifiedEdge( - edge, capacity, inboundFee, hopPayloadSizeFn, + edge, capacity, inboundFee, hopPayloadSizeFn, blindedPayment, )) } @@ -112,7 +113,7 @@ func (u *nodeEdgeUnifier) addGraphPolicies(g routingGraph) error { u.addPolicy( channel.OtherNode, channel.InPolicy, inboundFee, - channel.Capacity, defaultHopPayloadSize, + channel.Capacity, defaultHopPayloadSize, nil, ) return nil @@ -134,18 +135,23 @@ type unifiedEdge struct { // is needed because hops of a blinded path differ in their payload // structure compared to cleartext hops. hopPayloadSizeFn PayloadSizeFunc + + // blindedPayment if set, is the BlindedPayment that this edge was + // derived from originally. + blindedPayment *BlindedPayment } // newUnifiedEdge constructs a new unifiedEdge. func newUnifiedEdge(policy *models.CachedEdgePolicy, capacity btcutil.Amount, - inboundFees models.InboundFee, - hopPayloadSizeFn PayloadSizeFunc) *unifiedEdge { + inboundFees models.InboundFee, hopPayloadSizeFn PayloadSizeFunc, + blindedPayment *BlindedPayment) *unifiedEdge { return &unifiedEdge{ policy: policy, capacity: capacity, inboundFees: inboundFees, hopPayloadSizeFn: hopPayloadSizeFn, + blindedPayment: blindedPayment, } } @@ -304,7 +310,7 @@ func (u *edgeUnifier) getEdgeLocal(netAmtReceived lnwire.MilliSatoshi, // Update best edge. bestEdge = newUnifiedEdge( edge.policy, edge.capacity, edge.inboundFees, - edge.hopPayloadSizeFn, + edge.hopPayloadSizeFn, edge.blindedPayment, ) } @@ -386,6 +392,7 @@ func (u *edgeUnifier) getEdgeNetwork(netAmtReceived lnwire.MilliSatoshi, bestPolicy = newUnifiedEdge( edge.policy, 0, edge.inboundFees, nil, + edge.blindedPayment, ) // The payload size function for edges to a connected peer is @@ -414,7 +421,7 @@ func (u *edgeUnifier) getEdgeNetwork(netAmtReceived lnwire.MilliSatoshi, policyCopy.TimeLockDelta = maxTimelock modifiedEdge := newUnifiedEdge( &policyCopy, maxCapMsat.ToSatoshis(), bestPolicy.inboundFees, - hopPayloadSizeFn, + hopPayloadSizeFn, bestPolicy.blindedPayment, ) return modifiedEdge diff --git a/routing/unified_edges_test.go b/routing/unified_edges_test.go index 7b1650c025..82605e9b37 100644 --- a/routing/unified_edges_test.go +++ b/routing/unified_edges_test.go @@ -59,37 +59,37 @@ func TestNodeEdgeUnifier(t *testing.T) { unifierFilled := newNodeEdgeUnifier(source, toNode, false, nil) unifierFilled.addPolicy( - fromNode, &p1, inboundFee1, c1, defaultHopPayloadSize, + fromNode, &p1, inboundFee1, c1, defaultHopPayloadSize, nil, ) unifierFilled.addPolicy( - fromNode, &p2, inboundFee2, c2, defaultHopPayloadSize, + fromNode, &p2, inboundFee2, c2, defaultHopPayloadSize, nil, ) unifierNoCapacity := newNodeEdgeUnifier(source, toNode, false, nil) unifierNoCapacity.addPolicy( - fromNode, &p1, inboundFee1, 0, defaultHopPayloadSize, + fromNode, &p1, inboundFee1, 0, defaultHopPayloadSize, nil, ) unifierNoCapacity.addPolicy( - fromNode, &p2, inboundFee2, 0, defaultHopPayloadSize, + fromNode, &p2, inboundFee2, 0, defaultHopPayloadSize, nil, ) unifierNoInfo := newNodeEdgeUnifier(source, toNode, false, nil) unifierNoInfo.addPolicy( fromNode, &models.CachedEdgePolicy{}, models.InboundFee{}, - 0, defaultHopPayloadSize, + 0, defaultHopPayloadSize, nil, ) unifierInboundFee := newNodeEdgeUnifier(source, toNode, true, nil) unifierInboundFee.addPolicy( - fromNode, &p1, inboundFee1, c1, defaultHopPayloadSize, + fromNode, &p1, inboundFee1, c1, defaultHopPayloadSize, nil, ) unifierInboundFee.addPolicy( - fromNode, &p2, inboundFee2, c2, defaultHopPayloadSize, + fromNode, &p2, inboundFee2, c2, defaultHopPayloadSize, nil, ) unifierLocal := newNodeEdgeUnifier(fromNode, toNode, true, nil) unifierLocal.addPolicy( - fromNode, &p1, inboundFee1, c1, defaultHopPayloadSize, + fromNode, &p1, inboundFee1, c1, defaultHopPayloadSize, nil, ) inboundFeeZero := models.InboundFee{} @@ -98,10 +98,11 @@ func TestNodeEdgeUnifier(t *testing.T) { } unifierNegInboundFee := newNodeEdgeUnifier(source, toNode, true, nil) unifierNegInboundFee.addPolicy( - fromNode, &p1, inboundFeeZero, c1, defaultHopPayloadSize, + fromNode, &p1, inboundFeeZero, c1, defaultHopPayloadSize, nil, ) unifierNegInboundFee.addPolicy( fromNode, &p2, inboundFeeNegative, c2, defaultHopPayloadSize, + nil, ) tests := []struct { From ad0905f10e394a27e9a3c4717ffce32de0fcba2d Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 2 May 2024 14:22:34 +0200 Subject: [PATCH 077/343] record+htlcswitch: convert BlindedRouteData fields to optional For the final hop in a blinded route, the SCID and RelayInfo fields will _not_ be set. So these fields need to be converted to optional records. The existing BlindedRouteData constructor is also renamed to `NewNonFinalBlindedRouteData` in preparation for a `NewFinalBlindedRouteData` constructor which will be used to construct the blinded data for the final hop which will contain a much smaller set of data. The SCID and RelayInfo parameters of the constructor are left as non-pointers in order to force the caller to set them in the case that the constructor is called for non-final nodes. The other option would be to create a single constructor where all parameters are optional but I think this makes it easier for the caller to make a mistake. --- htlcswitch/hop/iterator.go | 31 +++++++++++++++++++--- htlcswitch/hop/iterator_test.go | 2 +- htlcswitch/hop/payload_test.go | 12 ++++----- itest/lnd_route_blinding_test.go | 4 +-- record/blinded_data.go | 44 +++++++++++++++++++++++--------- record/blinded_data_test.go | 6 ++--- 6 files changed, 71 insertions(+), 28 deletions(-) diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index a89f1b7347..ddfbe5934f 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -360,6 +360,7 @@ func (b *BlindingKit) DecryptAndValidateFwdInfo(payload *Payload, if err != nil { return nil, err } + // Validate the data in the blinded route against our incoming htlc's // information. if err := ValidateBlindedRouteData( @@ -368,9 +369,31 @@ func (b *BlindingKit) DecryptAndValidateFwdInfo(payload *Payload, return nil, err } + // Exit early if this onion is for the exit hop of the route since + // route blinding receives are not yet supported. + if isFinalHop { + return nil, fmt.Errorf("being the final hop in a blinded " + + "path is not yet supported") + } + + // At this point, we know we are a forwarding node for this onion + // and so we expect the relay info and next SCID fields to be set. + relayInfo, err := routeData.RelayInfo.UnwrapOrErr( + fmt.Errorf("relay info not set for non-final blinded hop"), + ) + if err != nil { + return nil, err + } + + nextSCID, err := routeData.ShortChannelID.UnwrapOrErr( + fmt.Errorf("next SCID not set for non-final blinded hop"), + ) + if err != nil { + return nil, err + } + fwdAmt, err := calculateForwardingAmount( - b.IncomingAmount, routeData.RelayInfo.Val.BaseFee, - routeData.RelayInfo.Val.FeeRate, + b.IncomingAmount, relayInfo.Val.BaseFee, relayInfo.Val.FeeRate, ) if err != nil { return nil, err @@ -400,10 +423,10 @@ func (b *BlindingKit) DecryptAndValidateFwdInfo(payload *Payload, } return &ForwardingInfo{ - NextHop: routeData.ShortChannelID.Val, + NextHop: nextSCID.Val, AmountToForward: fwdAmt, OutgoingCTLV: b.IncomingCltv - uint32( - routeData.RelayInfo.Val.CltvExpiryDelta, + relayInfo.Val.CltvExpiryDelta, ), // Remap from blinding override type to blinding point type. NextBlinding: tlv.SomeRecordT( diff --git a/htlcswitch/hop/iterator_test.go b/htlcswitch/hop/iterator_test.go index e69361b0a4..9995c71baf 100644 --- a/htlcswitch/hop/iterator_test.go +++ b/htlcswitch/hop/iterator_test.go @@ -186,7 +186,7 @@ func TestDecryptAndValidateFwdInfo(t *testing.T) { // Encode valid blinding data that we'll fake decrypting for our test. maxCltv := 1000 - blindedData := record.NewBlindedRouteData( + blindedData := record.NewNonFinalBlindedRouteData( lnwire.NewShortChanIDFromInt(1500), nil, record.PaymentRelayInfo{ CltvExpiryDelta: 10, diff --git a/htlcswitch/hop/payload_test.go b/htlcswitch/hop/payload_test.go index c22144d7b8..7398813a3e 100644 --- a/htlcswitch/hop/payload_test.go +++ b/htlcswitch/hop/payload_test.go @@ -646,7 +646,7 @@ func TestValidateBlindedRouteData(t *testing.T) { }{ { name: "max cltv expired", - data: record.NewBlindedRouteData( + data: record.NewNonFinalBlindedRouteData( scid, nil, record.PaymentRelayInfo{}, @@ -663,7 +663,7 @@ func TestValidateBlindedRouteData(t *testing.T) { }, { name: "zero max cltv", - data: record.NewBlindedRouteData( + data: record.NewNonFinalBlindedRouteData( scid, nil, record.PaymentRelayInfo{}, @@ -682,7 +682,7 @@ func TestValidateBlindedRouteData(t *testing.T) { }, { name: "amount below minimum", - data: record.NewBlindedRouteData( + data: record.NewNonFinalBlindedRouteData( scid, nil, record.PaymentRelayInfo{}, @@ -699,7 +699,7 @@ func TestValidateBlindedRouteData(t *testing.T) { }, { name: "valid, no features", - data: record.NewBlindedRouteData( + data: record.NewNonFinalBlindedRouteData( scid, nil, record.PaymentRelayInfo{}, @@ -714,7 +714,7 @@ func TestValidateBlindedRouteData(t *testing.T) { }, { name: "unknown features", - data: record.NewBlindedRouteData( + data: record.NewNonFinalBlindedRouteData( scid, nil, record.PaymentRelayInfo{}, @@ -738,7 +738,7 @@ func TestValidateBlindedRouteData(t *testing.T) { }, { name: "valid data", - data: record.NewBlindedRouteData( + data: record.NewNonFinalBlindedRouteData( scid, nil, record.PaymentRelayInfo{ diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 5c32a85a39..514e856d89 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -676,7 +676,7 @@ func (b *blindedForwardTest) createBlindedRoute(hops []*forwardingEdge, // Encode the route's blinded data and include it in the // blinded hop. - payload := record.NewBlindedRouteData( + payload := record.NewNonFinalBlindedRouteData( scid, nil, *relayInfo, constraints, nil, ) payloadBytes, err := record.EncodeBlindedRouteData(payload) @@ -739,7 +739,7 @@ func (b *blindedForwardTest) createBlindedRoute(hops []*forwardingEdge, // node ID here so that it _looks like_ a valid // forwarding hop (though in reality it's the last // hop). - record.NewBlindedRouteData( + record.NewNonFinalBlindedRouteData( lnwire.NewShortChanIDFromInt(100), nil, record.PaymentRelayInfo{}, nil, nil, ), diff --git a/record/blinded_data.go b/record/blinded_data.go index 7990fa7388..e133a47639 100644 --- a/record/blinded_data.go +++ b/record/blinded_data.go @@ -15,7 +15,7 @@ import ( // forwarding information. type BlindedRouteData struct { // ShortChannelID is the channel ID of the next hop. - ShortChannelID tlv.RecordT[tlv.TlvType2, lnwire.ShortChannelID] + ShortChannelID tlv.OptionalRecordT[tlv.TlvType2, lnwire.ShortChannelID] // NextBlindingOverride is a blinding point that should be switched // in for the next hop. This is used to combine two blinded paths into @@ -24,7 +24,7 @@ type BlindedRouteData struct { NextBlindingOverride tlv.OptionalRecordT[tlv.TlvType8, *btcec.PublicKey] // RelayInfo provides the relay parameters for the hop. - RelayInfo tlv.RecordT[tlv.TlvType10, PaymentRelayInfo] + RelayInfo tlv.OptionalRecordT[tlv.TlvType10, PaymentRelayInfo] // Constraints provides the payment relay constraints for the hop. Constraints tlv.OptionalRecordT[tlv.TlvType12, PaymentConstraints] @@ -33,16 +33,20 @@ type BlindedRouteData struct { Features tlv.OptionalRecordT[tlv.TlvType14, lnwire.FeatureVector] } -// NewBlindedRouteData creates the data that's provided for hops within a -// blinded route. -func NewBlindedRouteData(chanID lnwire.ShortChannelID, +// NewNonFinalBlindedRouteData creates the data that's provided for hops within +// a blinded route. +func NewNonFinalBlindedRouteData(chanID lnwire.ShortChannelID, blindingOverride *btcec.PublicKey, relayInfo PaymentRelayInfo, constraints *PaymentConstraints, features *lnwire.FeatureVector) *BlindedRouteData { info := &BlindedRouteData{ - ShortChannelID: tlv.NewRecordT[tlv.TlvType2](chanID), - RelayInfo: tlv.NewRecordT[tlv.TlvType10](relayInfo), + ShortChannelID: tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType2](chanID), + ), + RelayInfo: tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType10](relayInfo), + ), } if blindingOverride != nil { @@ -69,7 +73,9 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { var ( d BlindedRouteData + scid = d.ShortChannelID.Zero() blindingOverride = d.NextBlindingOverride.Zero() + relayInfo = d.RelayInfo.Zero() constraints = d.Constraints.Zero() features = d.Features.Zero() ) @@ -80,19 +86,25 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { } typeMap, err := tlvRecords.ExtractRecords( - &d.ShortChannelID, - &blindingOverride, &d.RelayInfo.Val, &constraints, - &features, + &scid, &blindingOverride, &relayInfo, &constraints, &features, ) if err != nil { return nil, err } + if val, ok := typeMap[d.ShortChannelID.TlvType()]; ok && val == nil { + d.ShortChannelID = tlv.SomeRecordT(scid) + } + val, ok := typeMap[d.NextBlindingOverride.TlvType()] if ok && val == nil { d.NextBlindingOverride = tlv.SomeRecordT(blindingOverride) } + if val, ok := typeMap[d.RelayInfo.TlvType()]; ok && val == nil { + d.RelayInfo = tlv.SomeRecordT(relayInfo) + } + if val, ok := typeMap[d.Constraints.TlvType()]; ok && val == nil { d.Constraints = tlv.SomeRecordT(constraints) } @@ -111,7 +123,11 @@ func EncodeBlindedRouteData(data *BlindedRouteData) ([]byte, error) { recordProducers = make([]tlv.RecordProducer, 0, 5) ) - recordProducers = append(recordProducers, &data.ShortChannelID) + data.ShortChannelID.WhenSome(func(scid tlv.RecordT[tlv.TlvType2, + lnwire.ShortChannelID]) { + + recordProducers = append(recordProducers, &scid) + }) data.NextBlindingOverride.WhenSome(func(pk tlv.RecordT[tlv.TlvType8, *btcec.PublicKey]) { @@ -119,7 +135,11 @@ func EncodeBlindedRouteData(data *BlindedRouteData) ([]byte, error) { recordProducers = append(recordProducers, &pk) }) - recordProducers = append(recordProducers, &data.RelayInfo.Val) + data.RelayInfo.WhenSome(func(r tlv.RecordT[tlv.TlvType10, + PaymentRelayInfo]) { + + recordProducers = append(recordProducers, &r) + }) data.Constraints.WhenSome(func(cs tlv.RecordT[tlv.TlvType12, PaymentConstraints]) { diff --git a/record/blinded_data_test.go b/record/blinded_data_test.go index f8e95cdcc0..2394c8ac97 100644 --- a/record/blinded_data_test.go +++ b/record/blinded_data_test.go @@ -101,7 +101,7 @@ func TestBlindedDataEncoding(t *testing.T) { } } - encodedData := NewBlindedRouteData( + encodedData := NewNonFinalBlindedRouteData( channelID, pubkey(t), info, constraints, testCase.features, ) @@ -134,7 +134,7 @@ func TestBlindingSpecTestVectors(t *testing.T) { }{ { encoded: "011a0000000000000000000000000000000000000000000000000000020800000000000006c10a0800240000009627100c06000b69e505dc0e00fd023103123456", - expectedPaymentData: NewBlindedRouteData( + expectedPaymentData: NewNonFinalBlindedRouteData( lnwire.ShortChannelID{ BlockHeight: 0, TxIndex: 0, @@ -158,7 +158,7 @@ func TestBlindingSpecTestVectors(t *testing.T) { }, { encoded: "020800000000000004510821031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f0a0800300000006401f40c06000b69c105dc0e00", - expectedPaymentData: NewBlindedRouteData( + expectedPaymentData: NewNonFinalBlindedRouteData( lnwire.ShortChannelID{ TxPosition: 1105, }, From 15f3cce27d10e9a2e4743619154224b655e42053 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 2 May 2024 14:28:00 +0200 Subject: [PATCH 078/343] record: add PathID to BlindedRouteData Add the PathID (tlv type 6) field to BlindedRouteData. This will be used for the final hop of a blinded route. A new constructor is also added for BlindedRouteData which can specifically be used for the final hop. --- record/blinded_data.go | 37 +++++++++++++++++++++++++- record/blinded_data_test.go | 53 +++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+), 1 deletion(-) diff --git a/record/blinded_data.go b/record/blinded_data.go index e133a47639..16ff6bd5a4 100644 --- a/record/blinded_data.go +++ b/record/blinded_data.go @@ -17,6 +17,11 @@ type BlindedRouteData struct { // ShortChannelID is the channel ID of the next hop. ShortChannelID tlv.OptionalRecordT[tlv.TlvType2, lnwire.ShortChannelID] + // PathID is a secret set of bytes that the blinded path creator will + // set so that they can check the value on decryption to ensure that the + // path they created was used for the intended purpose. + PathID tlv.OptionalRecordT[tlv.TlvType6, []byte] + // NextBlindingOverride is a blinding point that should be switched // in for the next hop. This is used to combine two blinded paths into // one (which primarily is used in onion messaging, but in theory @@ -68,12 +73,33 @@ func NewNonFinalBlindedRouteData(chanID lnwire.ShortChannelID, return info } +// NewFinalHopBlindedRouteData creates the data that's provided for the final +// hop in a blinded route. +func NewFinalHopBlindedRouteData(constraints *PaymentConstraints, + pathID []byte) *BlindedRouteData { + + var data BlindedRouteData + if pathID != nil { + data.PathID = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType6](pathID), + ) + } + + if constraints != nil { + data.Constraints = tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType12](*constraints)) + } + + return &data +} + // DecodeBlindedRouteData decodes the data provided within a blinded route. func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { var ( d BlindedRouteData scid = d.ShortChannelID.Zero() + pathID = d.PathID.Zero() blindingOverride = d.NextBlindingOverride.Zero() relayInfo = d.RelayInfo.Zero() constraints = d.Constraints.Zero() @@ -86,7 +112,8 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { } typeMap, err := tlvRecords.ExtractRecords( - &scid, &blindingOverride, &relayInfo, &constraints, &features, + &scid, &pathID, &blindingOverride, &relayInfo, &constraints, + &features, ) if err != nil { return nil, err @@ -96,6 +123,10 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { d.ShortChannelID = tlv.SomeRecordT(scid) } + if val, ok := typeMap[d.PathID.TlvType()]; ok && val == nil { + d.PathID = tlv.SomeRecordT(pathID) + } + val, ok := typeMap[d.NextBlindingOverride.TlvType()] if ok && val == nil { d.NextBlindingOverride = tlv.SomeRecordT(blindingOverride) @@ -129,6 +160,10 @@ func EncodeBlindedRouteData(data *BlindedRouteData) ([]byte, error) { recordProducers = append(recordProducers, &scid) }) + data.PathID.WhenSome(func(pathID tlv.RecordT[tlv.TlvType6, []byte]) { + recordProducers = append(recordProducers, &pathID) + }) + data.NextBlindingOverride.WhenSome(func(pk tlv.RecordT[tlv.TlvType8, *btcec.PublicKey]) { diff --git a/record/blinded_data_test.go b/record/blinded_data_test.go index 2394c8ac97..bc1e706ef7 100644 --- a/record/blinded_data_test.go +++ b/record/blinded_data_test.go @@ -118,6 +118,59 @@ func TestBlindedDataEncoding(t *testing.T) { } } +// TestBlindedDataFinalHopEncoding tests the encoding and decoding of a blinded +// data blob intended for the final hop of a blinded path where only the pathID +// will potentially be set. +func TestBlindedDataFinalHopEncoding(t *testing.T) { + tests := []struct { + name string + pathID []byte + constraints bool + }{ + { + name: "with path ID", + pathID: []byte{1, 2, 3, 4, 5, 6}, + }, + { + name: "with no path ID", + pathID: nil, + }, + { + name: "with path ID and constraints", + pathID: []byte{1, 2, 3, 4, 5, 6}, + constraints: true, + }, + } + + for _, test := range tests { + test := test + t.Run(test.name, func(t *testing.T) { + t.Parallel() + + var constraints *PaymentConstraints + if test.constraints { + constraints = &PaymentConstraints{ + MaxCltvExpiry: 4, + HtlcMinimumMsat: 5, + } + } + + encodedData := NewFinalHopBlindedRouteData( + constraints, test.pathID, + ) + + encoded, err := EncodeBlindedRouteData(encodedData) + require.NoError(t, err) + + b := bytes.NewBuffer(encoded) + decodedData, err := DecodeBlindedRouteData(b) + require.NoError(t, err) + + require.Equal(t, encodedData, decodedData) + }) + } +} + // TestBlindedRouteVectors tests encoding/decoding of the test vectors for // blinded route data provided in the specification. // From 9ada4a9068438768ceb80ec9e0654d0bc8acad38 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 2 May 2024 14:35:34 +0200 Subject: [PATCH 079/343] record: add Padding field to BlindedRouteData When we start creating blinded paths to ourselves, we will want to be able to pad the data for each hop so that the `encrypted_recipient_data` for each hop is the same. We add a `PadBy` method that allows a caller to add a certain number of bytes to the padding field. Note that adding n bytes won't always mean that the encoded payload will increase by size n since there will be overhead for the type and lenght fields for the new TLV field. This will also be the case when the number of bytes added results in a BigSize bucket jump for TLV length field. The responsibility of ensuring that the final payloads are the same size is left to the caller who may need to call PadBy iteratively to achieve the goal. I decided to leave this to the caller since doing this at the actual TLV level will be quite intrusive & I think it is uneccessary to touch that code for this unique use case. --- record/blinded_data.go | 38 +++++++++++++++--- record/blinded_data_test.go | 79 ++++++++++++++++++++++++++++++++++++- 2 files changed, 111 insertions(+), 6 deletions(-) diff --git a/record/blinded_data.go b/record/blinded_data.go index 16ff6bd5a4..7b7081b3be 100644 --- a/record/blinded_data.go +++ b/record/blinded_data.go @@ -14,6 +14,11 @@ import ( // route encrypted data blob that is created by the recipient to provide // forwarding information. type BlindedRouteData struct { + // Padding is an optional set of bytes that a recipient can use to pad + // the data so that the encrypted recipient data blobs are all the same + // length. + Padding tlv.OptionalRecordT[tlv.TlvType1, []byte] + // ShortChannelID is the channel ID of the next hop. ShortChannelID tlv.OptionalRecordT[tlv.TlvType2, lnwire.ShortChannelID] @@ -98,6 +103,7 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { var ( d BlindedRouteData + padding = d.Padding.Zero() scid = d.ShortChannelID.Zero() pathID = d.PathID.Zero() blindingOverride = d.NextBlindingOverride.Zero() @@ -112,13 +118,18 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { } typeMap, err := tlvRecords.ExtractRecords( - &scid, &pathID, &blindingOverride, &relayInfo, &constraints, - &features, + &padding, &scid, &pathID, &blindingOverride, &relayInfo, + &constraints, &features, ) if err != nil { return nil, err } + val, ok := typeMap[d.Padding.TlvType()] + if ok && val == nil { + d.Padding = tlv.SomeRecordT(padding) + } + if val, ok := typeMap[d.ShortChannelID.TlvType()]; ok && val == nil { d.ShortChannelID = tlv.SomeRecordT(scid) } @@ -127,7 +138,7 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { d.PathID = tlv.SomeRecordT(pathID) } - val, ok := typeMap[d.NextBlindingOverride.TlvType()] + val, ok = typeMap[d.NextBlindingOverride.TlvType()] if ok && val == nil { d.NextBlindingOverride = tlv.SomeRecordT(blindingOverride) } @@ -154,6 +165,10 @@ func EncodeBlindedRouteData(data *BlindedRouteData) ([]byte, error) { recordProducers = make([]tlv.RecordProducer, 0, 5) ) + data.Padding.WhenSome(func(p tlv.RecordT[tlv.TlvType1, []byte]) { + recordProducers = append(recordProducers, &p) + }) + data.ShortChannelID.WhenSome(func(scid tlv.RecordT[tlv.TlvType2, lnwire.ShortChannelID]) { @@ -195,6 +210,19 @@ func EncodeBlindedRouteData(data *BlindedRouteData) ([]byte, error) { return e[:], nil } +// PadBy adds "n" padding bytes to the BlindedRouteData using the Padding field. +// Callers should be aware that the total payload size will change by more than +// "n" since the "n" bytes will be prefixed by BigSize type and length fields. +// Callers may need to call PadBy iteratively until each encrypted data packet +// is the same size and so each call will overwrite the Padding record. +// Note that calling PadBy with an n value of 0 will still result in a zero +// length TLV entry being added. +func (b *BlindedRouteData) PadBy(n int) { + b.Padding = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType1](make([]byte, n)), + ) +} + // PaymentRelayInfo describes the relay policy for a blinded path. type PaymentRelayInfo struct { // CltvExpiryDelta is the expiry delta for the payment. @@ -208,8 +236,8 @@ type PaymentRelayInfo struct { BaseFee uint32 } -// newPaymentRelayRecord creates a tlv.Record that encodes the payment relay -// (type 10) type for an encrypted blob payload. +// Record creates a tlv.Record that encodes the payment relay (type 10) type for +// an encrypted blob payload. func (i *PaymentRelayInfo) Record() tlv.Record { return tlv.MakeDynamicRecord( 10, &i, func() uint64 { diff --git a/record/blinded_data_test.go b/record/blinded_data_test.go index bc1e706ef7..88ab9cddd6 100644 --- a/record/blinded_data_test.go +++ b/record/blinded_data_test.go @@ -171,6 +171,74 @@ func TestBlindedDataFinalHopEncoding(t *testing.T) { } } +// TestBlindedRouteDataPadding tests the PadBy method of BlindedRouteData. +func TestBlindedRouteDataPadding(t *testing.T) { + newBlindedRouteData := func() *BlindedRouteData { + channelID := lnwire.NewShortChanIDFromInt(1) + info := PaymentRelayInfo{ + FeeRate: 2, + CltvExpiryDelta: 3, + BaseFee: 30, + } + + constraints := &PaymentConstraints{ + MaxCltvExpiry: 4, + HtlcMinimumMsat: 100, + } + + return NewNonFinalBlindedRouteData( + channelID, pubkey(t), info, constraints, nil, + ) + } + + tests := []struct { + name string + paddingSize int + expectedSizeIncrease uint64 + }{ + { + // Calling PadBy with an n value of 0 in the case where + // there is not yet a padding field will result in a + // zero length TLV entry being added. This will add 2 + // bytes for the type and length fields. + name: "no extra padding", + expectedSizeIncrease: 2, + }, + { + name: "small padding (length " + + "field of 1 byte)", + paddingSize: 200, + expectedSizeIncrease: 202, + }, + { + name: "medium padding (length field " + + "of 3 bytes)", + paddingSize: 256, + expectedSizeIncrease: 260, + }, + } + + for _, test := range tests { + t.Run(test.name, func(t *testing.T) { + data := newBlindedRouteData() + + prePaddingEncoding, err := EncodeBlindedRouteData(data) + require.NoError(t, err) + + data.PadBy(test.paddingSize) + + postPaddingEncoding, err := EncodeBlindedRouteData(data) + require.NoError(t, err) + + require.EqualValues( + t, test.expectedSizeIncrease, + len(postPaddingEncoding)- + len(prePaddingEncoding), + ) + }) + } +} + // TestBlindedRouteVectors tests encoding/decoding of the test vectors for // blinded route data provided in the specification. // @@ -184,6 +252,7 @@ func TestBlindingSpecTestVectors(t *testing.T) { tests := []struct { encoded string expectedPaymentData *BlindedRouteData + expectedPadding int }{ { encoded: "011a0000000000000000000000000000000000000000000000000000020800000000000006c10a0800240000009627100c06000b69e505dc0e00fd023103123456", @@ -208,6 +277,7 @@ func TestBlindingSpecTestVectors(t *testing.T) { lnwire.Features, ), ), + expectedPadding: 26, }, { encoded: "020800000000000004510821031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f0a0800300000006401f40c06000b69c105dc0e00", @@ -228,7 +298,8 @@ func TestBlindingSpecTestVectors(t *testing.T) { lnwire.NewFeatureVector( lnwire.NewRawFeatureVector(), lnwire.Features, - )), + ), + ), }, } @@ -242,6 +313,12 @@ func TestBlindingSpecTestVectors(t *testing.T) { decodedRoute, err := DecodeBlindedRouteData(buff) require.NoError(t, err) + if test.expectedPadding != 0 { + test.expectedPaymentData.PadBy( + test.expectedPadding, + ) + } + require.Equal( t, test.expectedPaymentData, decodedRoute, ) From f6a54c2ede43bae26cd70f4740548902659b0bb2 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Apr 2024 12:54:26 +0200 Subject: [PATCH 080/343] zpay: encoding and decoding of a BlindedPaymentPath In this commit, the ability is added to encode blinded payment paths and add them to a Bolt 11 invoice. --- zpay32/blinded_path.go | 246 ++++++++++++++++++++++++++++++++++++++ zpay32/decode.go | 44 ++++++- zpay32/encode.go | 23 ++++ zpay32/invoice.go | 30 ++++- zpay32/invoice_test.go | 260 +++++++++++++++++++++++------------------ 5 files changed, 486 insertions(+), 117 deletions(-) create mode 100644 zpay32/blinded_path.go diff --git a/zpay32/blinded_path.go b/zpay32/blinded_path.go new file mode 100644 index 0000000000..128a05e4ba --- /dev/null +++ b/zpay32/blinded_path.go @@ -0,0 +1,246 @@ +package zpay32 + +import ( + "encoding/binary" + "fmt" + "io" + "math" + + "github.com/btcsuite/btcd/btcec/v2" + sphinx "github.com/lightningnetwork/lightning-onion" + "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/tlv" +) + +const ( + // relayInfoSize is the number of bytes that the relay info of a blinded + // payment will occupy. + // base fee: 4 bytes + // prop fee: 4 bytes + // cltv delta: 2 bytes + // min htlc: 8 bytes + // max htlc: 8 bytes + relayInfoSize = 26 + + // maxNumHopsPerPath is the maximum number of blinded path hops that can + // be included in a single encoded blinded path. This is calculated + // based on the `data_length` limit of 638 bytes for any tagged field in + // a BOLT 11 invoice along with the estimated number of bytes required + // for encoding the most minimal blinded path hop. See the [bLIP + // proposal](https://github.com/lightning/blips/pull/39) for a detailed + // calculation. + maxNumHopsPerPath = 7 +) + +// BlindedPaymentPath holds all the information a payer needs to know about a +// blinded path to a receiver of a payment. +type BlindedPaymentPath struct { + // FeeBaseMsat is the total base fee for the path in milli-satoshis. + FeeBaseMsat uint32 + + // FeeRate is the total fee rate for the path in parts per million. + FeeRate uint32 + + // CltvExpiryDelta is the total CLTV delta to apply to the path. + CltvExpiryDelta uint16 + + // HTLCMinMsat is the minimum number of milli-satoshis that any hop in + // the path will route. + HTLCMinMsat uint64 + + // HTLCMaxMsat is the maximum number of milli-satoshis that a hop in the + // path will route. + HTLCMaxMsat uint64 + + // Features is the feature bit vector for the path. + Features *lnwire.FeatureVector + + // FirstEphemeralBlindingPoint is the blinding point to send to the + // introduction node. It will be used by the introduction node to derive + // a shared secret with the receiver which can then be used to decode + // the encrypted payload from the receiver. + FirstEphemeralBlindingPoint *btcec.PublicKey + + // Hops is the blinded path. The first hop is the introduction node and + // so the BlindedNodeID of this hop will be the real node ID. + Hops []*sphinx.BlindedHopInfo +} + +// DecodeBlindedPayment attempts to parse a BlindedPaymentPath from the passed +// reader. +func DecodeBlindedPayment(r io.Reader) (*BlindedPaymentPath, error) { + var relayInfo [relayInfoSize]byte + n, err := r.Read(relayInfo[:]) + if err != nil { + return nil, err + } + if n != relayInfoSize { + return nil, fmt.Errorf("unable to read %d relay info bytes "+ + "off of the given stream: %w", relayInfoSize, err) + } + + var payment BlindedPaymentPath + + // Parse the relay info fields. + payment.FeeBaseMsat = binary.BigEndian.Uint32(relayInfo[:4]) + payment.FeeRate = binary.BigEndian.Uint32(relayInfo[4:8]) + payment.CltvExpiryDelta = binary.BigEndian.Uint16(relayInfo[8:10]) + payment.HTLCMinMsat = binary.BigEndian.Uint64(relayInfo[10:18]) + payment.HTLCMaxMsat = binary.BigEndian.Uint64(relayInfo[18:]) + + // Parse the feature bit vector. + f := lnwire.EmptyFeatureVector() + err = f.Decode(r) + if err != nil { + return nil, err + } + payment.Features = f + + // Parse the first ephemeral blinding point. + var blindingPointBytes [btcec.PubKeyBytesLenCompressed]byte + _, err = r.Read(blindingPointBytes[:]) + if err != nil { + return nil, err + } + + blinding, err := btcec.ParsePubKey(blindingPointBytes[:]) + if err != nil { + return nil, err + } + payment.FirstEphemeralBlindingPoint = blinding + + // Read the one byte hop number. + var numHops [1]byte + _, err = r.Read(numHops[:]) + if err != nil { + return nil, err + } + + payment.Hops = make([]*sphinx.BlindedHopInfo, int(numHops[0])) + + // Parse each hop. + for i := 0; i < len(payment.Hops); i++ { + hop, err := DecodeBlindedHop(r) + if err != nil { + return nil, err + } + + payment.Hops[i] = hop + } + + return &payment, nil +} + +// Encode serialises the BlindedPaymentPath and writes the bytes to the passed +// writer. +// 1) The first 26 bytes contain the relay info: +// - Base Fee in msat: uint32 (4 bytes). +// - Proportional Fee in PPM: uint32 (4 bytes). +// - CLTV expiry delta: uint16 (2 bytes). +// - HTLC min msat: uint64 (8 bytes). +// - HTLC max msat: uint64 (8 bytes). +// +// 2) Feature bit vector length (2 bytes). +// 3) Feature bit vector (can be zero length). +// 4) First blinding point: 33 bytes. +// 5) Number of hops: 1 byte. +// 6) Encoded BlindedHops. +func (p *BlindedPaymentPath) Encode(w io.Writer) error { + var relayInfo [26]byte + binary.BigEndian.PutUint32(relayInfo[:4], p.FeeBaseMsat) + binary.BigEndian.PutUint32(relayInfo[4:8], p.FeeRate) + binary.BigEndian.PutUint16(relayInfo[8:10], p.CltvExpiryDelta) + binary.BigEndian.PutUint64(relayInfo[10:18], p.HTLCMinMsat) + binary.BigEndian.PutUint64(relayInfo[18:], p.HTLCMaxMsat) + + _, err := w.Write(relayInfo[:]) + if err != nil { + return err + } + + err = p.Features.Encode(w) + if err != nil { + return err + } + + _, err = w.Write(p.FirstEphemeralBlindingPoint.SerializeCompressed()) + if err != nil { + return err + } + + numHops := len(p.Hops) + if numHops > maxNumHopsPerPath { + return fmt.Errorf("the number of hops, %d, exceeds the "+ + "maximum of %d", numHops, maxNumHopsPerPath) + } + + _, err = w.Write([]byte{byte(numHops)}) + if err != nil { + return err + } + + for _, hop := range p.Hops { + err = EncodeBlindedHop(w, hop) + if err != nil { + return err + } + } + + return nil +} + +// DecodeBlindedHop reads a sphinx.BlindedHopInfo from the passed reader. +func DecodeBlindedHop(r io.Reader) (*sphinx.BlindedHopInfo, error) { + var nodeIDBytes [btcec.PubKeyBytesLenCompressed]byte + _, err := r.Read(nodeIDBytes[:]) + if err != nil { + return nil, err + } + + nodeID, err := btcec.ParsePubKey(nodeIDBytes[:]) + if err != nil { + return nil, err + } + + dataLen, err := tlv.ReadVarInt(r, &[8]byte{}) + if err != nil { + return nil, err + } + + encryptedData := make([]byte, dataLen) + _, err = r.Read(encryptedData) + if err != nil { + return nil, err + } + + return &sphinx.BlindedHopInfo{ + BlindedNodePub: nodeID, + CipherText: encryptedData, + }, nil +} + +// EncodeBlindedHop writes the passed BlindedHopInfo to the given writer. +// +// 1) Blinded node pub key: 33 bytes +// 2) Cipher text length: BigSize +// 3) Cipher text. +func EncodeBlindedHop(w io.Writer, hop *sphinx.BlindedHopInfo) error { + _, err := w.Write(hop.BlindedNodePub.SerializeCompressed()) + if err != nil { + return err + } + + if len(hop.CipherText) > math.MaxUint16 { + return fmt.Errorf("encrypted recipient data can not exceed a "+ + "length of %d bytes", math.MaxUint16) + } + + err = tlv.WriteVarInt(w, uint64(len(hop.CipherText)), &[8]byte{}) + if err != nil { + return err + } + + _, err = w.Write(hop.CipherText) + + return err +} diff --git a/zpay32/decode.go b/zpay32/decode.go index d37a34cf9d..59bfccf001 100644 --- a/zpay32/decode.go +++ b/zpay32/decode.go @@ -215,6 +215,7 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er } invoice.PaymentHash, err = parse32Bytes(base32Data) + case fieldTypeS: if invoice.PaymentAddr != nil { // We skip the field if we have already seen a @@ -223,6 +224,7 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er } invoice.PaymentAddr, err = parse32Bytes(base32Data) + case fieldTypeD: if invoice.Description != nil { // We skip the field if we have already seen a @@ -231,6 +233,7 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er } invoice.Description, err = parseDescription(base32Data) + case fieldTypeM: if invoice.Metadata != nil { // We skip the field if we have already seen a @@ -248,6 +251,7 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er } invoice.Destination, err = parseDestination(base32Data) + case fieldTypeH: if invoice.DescriptionHash != nil { // We skip the field if we have already seen a @@ -256,6 +260,7 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er } invoice.DescriptionHash, err = parse32Bytes(base32Data) + case fieldTypeX: if invoice.expiry != nil { // We skip the field if we have already seen a @@ -264,6 +269,7 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er } invoice.expiry, err = parseExpiry(base32Data) + case fieldTypeC: if invoice.minFinalCLTVExpiry != nil { // We skip the field if we have already seen a @@ -271,7 +277,9 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er continue } - invoice.minFinalCLTVExpiry, err = parseMinFinalCLTVExpiry(base32Data) + invoice.minFinalCLTVExpiry, err = + parseMinFinalCLTVExpiry(base32Data) + case fieldTypeF: if invoice.FallbackAddr != nil { // We skip the field if we have already seen a @@ -279,7 +287,10 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er continue } - invoice.FallbackAddr, err = parseFallbackAddr(base32Data, net) + invoice.FallbackAddr, err = parseFallbackAddr( + base32Data, net, + ) + case fieldTypeR: // An `r` field can be included in an invoice multiple // times, so we won't skip it if we have already seen @@ -289,7 +300,10 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er return err } - invoice.RouteHints = append(invoice.RouteHints, routeHint) + invoice.RouteHints = append( + invoice.RouteHints, routeHint, + ) + case fieldType9: if invoice.Features != nil { // We skip the field if we have already seen a @@ -298,6 +312,19 @@ func parseTaggedFields(invoice *Invoice, fields []byte, net *chaincfg.Params) er } invoice.Features, err = parseFeatures(base32Data) + + case fieldTypeB: + blindedPaymentPath, err := parseBlindedPaymentPath( + base32Data, + ) + if err != nil { + return err + } + + invoice.BlindedPaymentPaths = append( + invoice.BlindedPaymentPaths, blindedPaymentPath, + ) + default: // Ignore unknown type. } @@ -495,6 +522,17 @@ func parseRouteHint(data []byte) ([]HopHint, error) { return routeHint, nil } +// parseBlindedPaymentPath attempts to parse a BlindedPaymentPath from the given +// byte slice. +func parseBlindedPaymentPath(data []byte) (*BlindedPaymentPath, error) { + base256Data, err := bech32.ConvertBits(data, 5, 8, false) + if err != nil { + return nil, err + } + + return DecodeBlindedPayment(bytes.NewReader(base256Data)) +} + // parseFeatures decodes any feature bits directly from the base32 // representation. func parseFeatures(data []byte) (*lnwire.FeatureVector, error) { diff --git a/zpay32/encode.go b/zpay32/encode.go index bf544d062e..130abdcfd5 100644 --- a/zpay32/encode.go +++ b/zpay32/encode.go @@ -260,6 +260,29 @@ func writeTaggedFields(bufferBase32 *bytes.Buffer, invoice *Invoice) error { } } + for _, path := range invoice.BlindedPaymentPaths { + var buf bytes.Buffer + + err := path.Encode(&buf) + if err != nil { + return err + } + + blindedPathBase32, err := bech32.ConvertBits( + buf.Bytes(), 8, 5, true, + ) + if err != nil { + return err + } + + err = writeTaggedField( + bufferBase32, fieldTypeB, blindedPathBase32, + ) + if err != nil { + return err + } + } + if invoice.Destination != nil { // Convert 33 byte pubkey to 53 5-bit groups. pubKeyBase32, err := bech32.ConvertBits( diff --git a/zpay32/invoice.go b/zpay32/invoice.go index f23992ec9b..2afc59d95a 100644 --- a/zpay32/invoice.go +++ b/zpay32/invoice.go @@ -76,6 +76,10 @@ const ( // probing the recipient. fieldTypeS = 16 + // fieldTypeB contains blinded payment path information. This field may + // be repeated to include multiple blinded payment paths in the invoice. + fieldTypeB = 20 + // maxInvoiceLength is the maximum total length an invoice can have. // This is chosen to be the maximum number of bytes that can fit into a // single QR code: https://en.wikipedia.org/wiki/QR_code#Storage @@ -180,9 +184,17 @@ type Invoice struct { // hint can be individually used to reach the destination. These usually // represent private routes. // - // NOTE: This is optional. + // NOTE: This is optional and should not be set at the same time as + // BlindedPaymentPaths. RouteHints [][]HopHint + // BlindedPaymentPaths is a set of blinded payment paths that can be + // used to find the payment receiver. + // + // NOTE: This is optional and should not be set at the same time as + // RouteHints. + BlindedPaymentPaths []*BlindedPaymentPath + // Features represents an optional field used to signal optional or // required support for features by the receiver. Features *lnwire.FeatureVector @@ -263,6 +275,15 @@ func RouteHint(routeHint []HopHint) func(*Invoice) { } } +// WithBlindedPaymentPath is a functional option that allows a caller of +// NewInvoice to attach a blinded payment path to the invoice. The option can +// be used multiple times to attach multiple paths. +func WithBlindedPaymentPath(p *BlindedPaymentPath) func(*Invoice) { + return func(i *Invoice) { + i.BlindedPaymentPaths = append(i.BlindedPaymentPaths, p) + } +} + // Features is a functional option that allows callers of NewInvoice to set the // desired feature bits that are advertised on the invoice. If this option is // not used, an empty feature vector will automatically be populated. @@ -355,6 +376,13 @@ func validateInvoice(invoice *Invoice) error { return fmt.Errorf("no payment hash found") } + if len(invoice.RouteHints) != 0 && + len(invoice.BlindedPaymentPaths) != 0 { + + return fmt.Errorf("cannot have both route hints and blinded " + + "payment paths") + } + // Either Description or DescriptionHash must be set, not both. if invoice.Description != nil && invoice.DescriptionHash != nil { return fmt.Errorf("both description and description hash set") diff --git a/zpay32/invoice_test.go b/zpay32/invoice_test.go index a360ed2a07..006b4fb6d7 100644 --- a/zpay32/invoice_test.go +++ b/zpay32/invoice_test.go @@ -7,7 +7,6 @@ import ( "bytes" "encoding/hex" "fmt" - "reflect" "strings" "testing" "time" @@ -17,7 +16,9 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/chaincfg/chainhash" + sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/lnwire" + "github.com/stretchr/testify/require" ) var ( @@ -116,6 +117,62 @@ var ( // Must be initialized in init(). testDescriptionHash [32]byte + + testBlindedPK1Bytes, _ = hex.DecodeString("03f3311e948feb5115242c4e39" + + "6c81c448ab7ee5fd24c4e24e66c73533cc4f98b8") + testBlindedHopPK1, _ = btcec.ParsePubKey(testBlindedPK1Bytes) + testBlindedPK2Bytes, _ = hex.DecodeString("03a8c97ed5cd40d474e4ef18c8" + + "99854b25e5070106504cb225e6d2c112d61a805e") + testBlindedHopPK2, _ = btcec.ParsePubKey(testBlindedPK2Bytes) + testBlindedPK3Bytes, _ = hex.DecodeString("0220293926219d8efe733336e2" + + "b674570dd96aa763acb3564e6e367b384d861a0a") + testBlindedHopPK3, _ = btcec.ParsePubKey(testBlindedPK3Bytes) + testBlindedPK4Bytes, _ = hex.DecodeString("02c75eb336a038294eaaf76015" + + "8b2e851c3c0937262e35401ae64a1bee71a2e40c") + testBlindedHopPK4, _ = btcec.ParsePubKey(testBlindedPK4Bytes) + + blindedPath1 = &BlindedPaymentPath{ + FeeBaseMsat: 40, + FeeRate: 20, + CltvExpiryDelta: 130, + HTLCMinMsat: 2, + HTLCMaxMsat: 100, + Features: lnwire.EmptyFeatureVector(), + FirstEphemeralBlindingPoint: testBlindedHopPK1, + Hops: []*sphinx.BlindedHopInfo{ + { + BlindedNodePub: testBlindedHopPK2, + CipherText: []byte{1, 2, 3, 4, 5}, + }, + { + BlindedNodePub: testBlindedHopPK3, + CipherText: []byte{5, 4, 3, 2, 1}, + }, + { + BlindedNodePub: testBlindedHopPK4, + CipherText: []byte{ + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 14, + }, + }, + }, + } + + blindedPath2 = &BlindedPaymentPath{ + FeeBaseMsat: 4, + FeeRate: 2, + CltvExpiryDelta: 10, + HTLCMinMsat: 0, + HTLCMaxMsat: 10, + Features: lnwire.EmptyFeatureVector(), + FirstEphemeralBlindingPoint: testBlindedHopPK4, + Hops: []*sphinx.BlindedHopInfo{ + { + BlindedNodePub: testBlindedHopPK3, + CipherText: []byte{1, 2, 3, 4, 5}, + }, + }, + } ) func init() { @@ -125,6 +182,8 @@ func init() { // TestDecodeEncode tests that an encoded invoice gets decoded into the expected // Invoice object, and that reencoding the decoded invoice gets us back to the // original encoded string. +// +//nolint:lll func TestDecodeEncode(t *testing.T) { t.Parallel() @@ -673,52 +732,77 @@ func TestDecodeEncode(t *testing.T) { i.Destination = nil }, }, + { + // Invoice with blinded payment paths. + encodedInvoice: "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", + valid: true, + decodedInvoice: func() *Invoice { + return &Invoice{ + Net: &chaincfg.MainNetParams, + MilliSat: &testMillisat20mBTC, + Timestamp: time.Unix(1496314658, 0), + PaymentHash: &testPaymentHash, + Description: &testCupOfCoffee, + Destination: testPubKey, + Features: emptyFeatures, + BlindedPaymentPaths: []*BlindedPaymentPath{ + blindedPath1, + blindedPath2, + }, + } + }, + beforeEncoding: func(i *Invoice) { + // Since this destination pubkey was recovered + // from the signature, we must set it nil before + // encoding to get back the same invoice string. + i.Destination = nil + }, + }, } for i, test := range tests { - var decodedInvoice *Invoice - net := &chaincfg.MainNetParams - if test.decodedInvoice != nil { - decodedInvoice = test.decodedInvoice() - net = decodedInvoice.Net - } + test := test - invoice, err := Decode(test.encodedInvoice, net) - if (err == nil) != test.valid { - t.Errorf("Decoding test %d failed: %v", i, err) - return - } + t.Run(fmt.Sprintf("%d", i), func(t *testing.T) { + t.Parallel() - if test.valid { - if err := compareInvoices(decodedInvoice, invoice); err != nil { - t.Errorf("Invoice decoding result %d not as expected: %v", i, err) + var decodedInvoice *Invoice + net := &chaincfg.MainNetParams + if test.decodedInvoice != nil { + decodedInvoice = test.decodedInvoice() + net = decodedInvoice.Net + } + + invoice, err := Decode(test.encodedInvoice, net) + if !test.valid { + require.Error(t, err) + } else { + require.NoError(t, err) + require.Equal(t, decodedInvoice, invoice) + } + + if test.skipEncoding { return } - } - if test.skipEncoding { - continue - } + if test.beforeEncoding != nil { + test.beforeEncoding(decodedInvoice) + } - if test.beforeEncoding != nil { - test.beforeEncoding(decodedInvoice) - } + if decodedInvoice == nil { + return + } - if decodedInvoice != nil { reencoded, err := decodedInvoice.Encode( testMessageSigner, ) - if (err == nil) != test.valid { - t.Errorf("Encoding test %d failed: %v", i, err) + if !test.valid { + require.Error(t, err) return } - - if test.valid && test.encodedInvoice != reencoded { - t.Errorf("Encoding %d failed, expected %v, got %v", - i, test.encodedInvoice, reencoded) - return - } - } + require.NoError(t, err) + require.Equal(t, test.encodedInvoice, reencoded) + }) } } @@ -805,25 +889,42 @@ func TestNewInvoice(t *testing.T) { valid: true, encodedInvoice: "lnbcrt241pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdqqnp4q0n326hr8v9zprg8gsvezcch06gfaqqhde2aj730yg0durunfhv66df5c8pqjjt4z4ymmuaxfx8eh5v7hmzs3wrfas8m2sz5qz56rw2lxy8mmgm4xln0ha26qkw6u3vhu22pss2udugr9g74c3x20slpcqjgq0el4h6", }, + { + // Mainnet invoice with two blinded paths. + newInvoice: func() (*Invoice, error) { + return NewInvoice(&chaincfg.MainNetParams, + testPaymentHash, + time.Unix(1496314658, 0), + Amount(testMillisat20mBTC), + Description(testCupOfCoffee), + WithBlindedPaymentPath(blindedPath1), + WithBlindedPaymentPath(blindedPath2), + ) + }, + valid: true, + //nolint:lll + encodedInvoice: "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", + }, } for i, test := range tests { + test := test - invoice, err := test.newInvoice() - if err != nil && !test.valid { - continue - } - encoded, err := invoice.Encode(testMessageSigner) - if (err == nil) != test.valid { - t.Errorf("NewInvoice test %d failed: %v", i, err) - return - } + t.Run(fmt.Sprintf("%d", i), func(t *testing.T) { + t.Parallel() - if test.valid && test.encodedInvoice != encoded { - t.Errorf("Encoding %d failed, expected %v, got %v", - i, test.encodedInvoice, encoded) - return - } + invoice, err := test.newInvoice() + if !test.valid { + require.Error(t, err) + return + } + require.NoError(t, err) + + encoded, err := invoice.Encode(testMessageSigner) + require.NoError(t, err) + + require.Equal(t, test.encodedInvoice, encoded) + }) } } @@ -909,73 +1010,6 @@ func TestInvoiceChecksumMalleability(t *testing.T) { } } -func compareInvoices(expected, actual *Invoice) error { - if !reflect.DeepEqual(expected.Net, actual.Net) { - return fmt.Errorf("expected net %v, got %v", - expected.Net, actual.Net) - } - - if !reflect.DeepEqual(expected.MilliSat, actual.MilliSat) { - return fmt.Errorf("expected milli sat %d, got %d", - *expected.MilliSat, *actual.MilliSat) - } - - if expected.Timestamp != actual.Timestamp { - return fmt.Errorf("expected timestamp %v, got %v", - expected.Timestamp, actual.Timestamp) - } - - if !compareHashes(expected.PaymentHash, actual.PaymentHash) { - return fmt.Errorf("expected payment hash %x, got %x", - *expected.PaymentHash, *actual.PaymentHash) - } - - if !reflect.DeepEqual(expected.Description, actual.Description) { - return fmt.Errorf("expected description \"%s\", got \"%s\"", - *expected.Description, *actual.Description) - } - - if !comparePubkeys(expected.Destination, actual.Destination) { - return fmt.Errorf("expected destination pubkey %x, got %x", - expected.Destination.SerializeCompressed(), - actual.Destination.SerializeCompressed()) - } - - if !compareHashes(expected.DescriptionHash, actual.DescriptionHash) { - return fmt.Errorf("expected description hash %x, got %x", - *expected.DescriptionHash, *actual.DescriptionHash) - } - - if expected.Expiry() != actual.Expiry() { - return fmt.Errorf("expected expiry %d, got %d", - expected.Expiry(), actual.Expiry()) - } - - if !reflect.DeepEqual(expected.FallbackAddr, actual.FallbackAddr) { - return fmt.Errorf("expected FallbackAddr %v, got %v", - expected.FallbackAddr, actual.FallbackAddr) - } - - if len(expected.RouteHints) != len(actual.RouteHints) { - return fmt.Errorf("expected %d RouteHints, got %d", - len(expected.RouteHints), len(actual.RouteHints)) - } - - for i, routeHint := range expected.RouteHints { - err := compareRouteHints(routeHint, actual.RouteHints[i]) - if err != nil { - return err - } - } - - if !reflect.DeepEqual(expected.Features, actual.Features) { - return fmt.Errorf("expected features %v, got %v", - expected.Features, actual.Features) - } - - return nil -} - func comparePubkeys(a, b *btcec.PublicKey) bool { if a == b { return true From 93f89512aeea5599eb50aefc244bc9eb388bb48b Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Apr 2024 12:59:41 +0200 Subject: [PATCH 081/343] lnrpc+rpcserver: Add blinded payment paths to PayReq This commit adds a blinded_paths field to the PayReq proto message. A new helper called `CreateRPCBlindedPayments` is then added to convert the zpay32 type to the existing `lnrpc.BlindedPaymentPath` type and add this to the `PayReq` in the `DecodePayReq` rpc method. --- lnrpc/invoicesrpc/utils.go | 54 +++++ lnrpc/lightning.pb.go | 415 ++++++++++++++++++----------------- lnrpc/lightning.proto | 1 + lnrpc/lightning.swagger.json | 6 + rpcserver.go | 8 + 5 files changed, 283 insertions(+), 201 deletions(-) diff --git a/lnrpc/invoicesrpc/utils.go b/lnrpc/invoicesrpc/utils.go index 70d7740828..2d1507267b 100644 --- a/lnrpc/invoicesrpc/utils.go +++ b/lnrpc/invoicesrpc/utils.go @@ -266,6 +266,60 @@ func CreateRPCRouteHints(routeHints [][]zpay32.HopHint) []*lnrpc.RouteHint { return res } +// CreateRPCBlindedPayments takes a set of zpay32.BlindedPaymentPath and +// converts them into a set of lnrpc.BlindedPaymentPaths. +func CreateRPCBlindedPayments(blindedPaths []*zpay32.BlindedPaymentPath) ( + []*lnrpc.BlindedPaymentPath, error) { + + var res []*lnrpc.BlindedPaymentPath + for _, path := range blindedPaths { + features := path.Features.Features() + var featuresSlice []lnrpc.FeatureBit + for feature := range features { + featuresSlice = append( + featuresSlice, lnrpc.FeatureBit(feature), + ) + } + + if len(path.Hops) == 0 { + return nil, fmt.Errorf("each blinded path must " + + "contain at least one hop") + } + + var hops []*lnrpc.BlindedHop + for _, hop := range path.Hops { + blindedNodeID := hop.BlindedNodePub. + SerializeCompressed() + hops = append(hops, &lnrpc.BlindedHop{ + BlindedNode: blindedNodeID, + EncryptedData: hop.CipherText, + }) + } + + introNode := path.Hops[0].BlindedNodePub + firstBlindingPoint := path.FirstEphemeralBlindingPoint + + blindedPath := &lnrpc.BlindedPath{ + IntroductionNode: introNode.SerializeCompressed(), + BlindingPoint: firstBlindingPoint. + SerializeCompressed(), + BlindedHops: hops, + } + + res = append(res, &lnrpc.BlindedPaymentPath{ + BlindedPath: blindedPath, + BaseFeeMsat: uint64(path.FeeBaseMsat), + ProportionalFeeRate: path.FeeRate, + TotalCltvDelta: uint32(path.CltvExpiryDelta), + HtlcMinMsat: path.HTLCMinMsat, + HtlcMaxMsat: path.HTLCMaxMsat, + Features: featuresSlice, + }) + } + + return res, nil +} + // CreateZpay32HopHints takes in the lnrpc form of route hints and converts them // into an invoice decoded form. func CreateZpay32HopHints(routeHints []*lnrpc.RouteHint) ([][]zpay32.HopHint, error) { diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index 305e624124..3cd5d9767d 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -14304,19 +14304,20 @@ type PayReq struct { sizeCache protoimpl.SizeCache unknownFields protoimpl.UnknownFields - Destination string `protobuf:"bytes,1,opt,name=destination,proto3" json:"destination,omitempty"` - PaymentHash string `protobuf:"bytes,2,opt,name=payment_hash,json=paymentHash,proto3" json:"payment_hash,omitempty"` - NumSatoshis int64 `protobuf:"varint,3,opt,name=num_satoshis,json=numSatoshis,proto3" json:"num_satoshis,omitempty"` - Timestamp int64 `protobuf:"varint,4,opt,name=timestamp,proto3" json:"timestamp,omitempty"` - Expiry int64 `protobuf:"varint,5,opt,name=expiry,proto3" json:"expiry,omitempty"` - Description string `protobuf:"bytes,6,opt,name=description,proto3" json:"description,omitempty"` - DescriptionHash string `protobuf:"bytes,7,opt,name=description_hash,json=descriptionHash,proto3" json:"description_hash,omitempty"` - FallbackAddr string `protobuf:"bytes,8,opt,name=fallback_addr,json=fallbackAddr,proto3" json:"fallback_addr,omitempty"` - CltvExpiry int64 `protobuf:"varint,9,opt,name=cltv_expiry,json=cltvExpiry,proto3" json:"cltv_expiry,omitempty"` - RouteHints []*RouteHint `protobuf:"bytes,10,rep,name=route_hints,json=routeHints,proto3" json:"route_hints,omitempty"` - PaymentAddr []byte `protobuf:"bytes,11,opt,name=payment_addr,json=paymentAddr,proto3" json:"payment_addr,omitempty"` - NumMsat int64 `protobuf:"varint,12,opt,name=num_msat,json=numMsat,proto3" json:"num_msat,omitempty"` - Features map[uint32]*Feature `protobuf:"bytes,13,rep,name=features,proto3" json:"features,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` + Destination string `protobuf:"bytes,1,opt,name=destination,proto3" json:"destination,omitempty"` + PaymentHash string `protobuf:"bytes,2,opt,name=payment_hash,json=paymentHash,proto3" json:"payment_hash,omitempty"` + NumSatoshis int64 `protobuf:"varint,3,opt,name=num_satoshis,json=numSatoshis,proto3" json:"num_satoshis,omitempty"` + Timestamp int64 `protobuf:"varint,4,opt,name=timestamp,proto3" json:"timestamp,omitempty"` + Expiry int64 `protobuf:"varint,5,opt,name=expiry,proto3" json:"expiry,omitempty"` + Description string `protobuf:"bytes,6,opt,name=description,proto3" json:"description,omitempty"` + DescriptionHash string `protobuf:"bytes,7,opt,name=description_hash,json=descriptionHash,proto3" json:"description_hash,omitempty"` + FallbackAddr string `protobuf:"bytes,8,opt,name=fallback_addr,json=fallbackAddr,proto3" json:"fallback_addr,omitempty"` + CltvExpiry int64 `protobuf:"varint,9,opt,name=cltv_expiry,json=cltvExpiry,proto3" json:"cltv_expiry,omitempty"` + RouteHints []*RouteHint `protobuf:"bytes,10,rep,name=route_hints,json=routeHints,proto3" json:"route_hints,omitempty"` + PaymentAddr []byte `protobuf:"bytes,11,opt,name=payment_addr,json=paymentAddr,proto3" json:"payment_addr,omitempty"` + NumMsat int64 `protobuf:"varint,12,opt,name=num_msat,json=numMsat,proto3" json:"num_msat,omitempty"` + Features map[uint32]*Feature `protobuf:"bytes,13,rep,name=features,proto3" json:"features,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` + BlindedPaths []*BlindedPaymentPath `protobuf:"bytes,14,rep,name=blinded_paths,json=blindedPaths,proto3" json:"blinded_paths,omitempty"` } func (x *PayReq) Reset() { @@ -14442,6 +14443,13 @@ func (x *PayReq) GetFeatures() map[uint32]*Feature { return nil } +func (x *PayReq) GetBlindedPaths() []*BlindedPaymentPath { + if x != nil { + return x.BlindedPaths + } + return nil +} + type Feature struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -20202,7 +20210,7 @@ var file_lightning_proto_rawDesc = []byte{ 0x75, 0x62, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x22, 0x27, 0x0a, 0x0c, 0x50, 0x61, 0x79, 0x52, 0x65, 0x71, 0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x12, 0x17, 0x0a, 0x07, 0x70, 0x61, 0x79, 0x5f, 0x72, 0x65, 0x71, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x70, 0x61, 0x79, 0x52, - 0x65, 0x71, 0x22, 0xb0, 0x04, 0x0a, 0x06, 0x50, 0x61, 0x79, 0x52, 0x65, 0x71, 0x12, 0x20, 0x0a, + 0x65, 0x71, 0x22, 0xf0, 0x04, 0x0a, 0x06, 0x50, 0x61, 0x79, 0x52, 0x65, 0x71, 0x12, 0x20, 0x0a, 0x0b, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x21, 0x0a, 0x0c, 0x70, 0x61, 0x79, 0x6d, 0x65, 0x6e, 0x74, 0x5f, 0x68, 0x61, 0x73, 0x68, 0x18, @@ -20232,7 +20240,11 @@ var file_lightning_proto_rawDesc = []byte{ 0x37, 0x0a, 0x08, 0x66, 0x65, 0x61, 0x74, 0x75, 0x72, 0x65, 0x73, 0x18, 0x0d, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x50, 0x61, 0x79, 0x52, 0x65, 0x71, 0x2e, 0x46, 0x65, 0x61, 0x74, 0x75, 0x72, 0x65, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x08, - 0x66, 0x65, 0x61, 0x74, 0x75, 0x72, 0x65, 0x73, 0x1a, 0x4b, 0x0a, 0x0d, 0x46, 0x65, 0x61, 0x74, + 0x66, 0x65, 0x61, 0x74, 0x75, 0x72, 0x65, 0x73, 0x12, 0x3e, 0x0a, 0x0d, 0x62, 0x6c, 0x69, 0x6e, + 0x64, 0x65, 0x64, 0x5f, 0x70, 0x61, 0x74, 0x68, 0x73, 0x18, 0x0e, 0x20, 0x03, 0x28, 0x0b, 0x32, + 0x19, 0x2e, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x42, 0x6c, 0x69, 0x6e, 0x64, 0x65, 0x64, 0x50, + 0x61, 0x79, 0x6d, 0x65, 0x6e, 0x74, 0x50, 0x61, 0x74, 0x68, 0x52, 0x0c, 0x62, 0x6c, 0x69, 0x6e, + 0x64, 0x65, 0x64, 0x50, 0x61, 0x74, 0x68, 0x73, 0x1a, 0x4b, 0x0a, 0x0d, 0x46, 0x65, 0x61, 0x74, 0x75, 0x72, 0x65, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x24, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0e, 0x2e, 0x6c, 0x6e, 0x72, @@ -21520,192 +21532,193 @@ var file_lightning_proto_depIdxs = []int32{ 38, // 138: lnrpc.AbandonChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint 150, // 139: lnrpc.PayReq.route_hints:type_name -> lnrpc.RouteHint 244, // 140: lnrpc.PayReq.features:type_name -> lnrpc.PayReq.FeaturesEntry - 179, // 141: lnrpc.FeeReportResponse.channel_fees:type_name -> lnrpc.ChannelFeeReport - 38, // 142: lnrpc.PolicyUpdateRequest.chan_point:type_name -> lnrpc.ChannelPoint - 181, // 143: lnrpc.PolicyUpdateRequest.inbound_fee:type_name -> lnrpc.InboundFee - 39, // 144: lnrpc.FailedUpdate.outpoint:type_name -> lnrpc.OutPoint - 11, // 145: lnrpc.FailedUpdate.reason:type_name -> lnrpc.UpdateFailure - 183, // 146: lnrpc.PolicyUpdateResponse.failed_updates:type_name -> lnrpc.FailedUpdate - 186, // 147: lnrpc.ForwardingHistoryResponse.forwarding_events:type_name -> lnrpc.ForwardingEvent - 38, // 148: lnrpc.ExportChannelBackupRequest.chan_point:type_name -> lnrpc.ChannelPoint - 38, // 149: lnrpc.ChannelBackup.chan_point:type_name -> lnrpc.ChannelPoint - 38, // 150: lnrpc.MultiChanBackup.chan_points:type_name -> lnrpc.ChannelPoint - 193, // 151: lnrpc.ChanBackupSnapshot.single_chan_backups:type_name -> lnrpc.ChannelBackups - 190, // 152: lnrpc.ChanBackupSnapshot.multi_chan_backup:type_name -> lnrpc.MultiChanBackup - 189, // 153: lnrpc.ChannelBackups.chan_backups:type_name -> lnrpc.ChannelBackup - 193, // 154: lnrpc.RestoreChanBackupRequest.chan_backups:type_name -> lnrpc.ChannelBackups - 198, // 155: lnrpc.BakeMacaroonRequest.permissions:type_name -> lnrpc.MacaroonPermission - 198, // 156: lnrpc.MacaroonPermissionList.permissions:type_name -> lnrpc.MacaroonPermission - 245, // 157: lnrpc.ListPermissionsResponse.method_permissions:type_name -> lnrpc.ListPermissionsResponse.MethodPermissionsEntry - 20, // 158: lnrpc.Failure.code:type_name -> lnrpc.Failure.FailureCode - 209, // 159: lnrpc.Failure.channel_update:type_name -> lnrpc.ChannelUpdate - 211, // 160: lnrpc.MacaroonId.ops:type_name -> lnrpc.Op - 198, // 161: lnrpc.CheckMacPermRequest.permissions:type_name -> lnrpc.MacaroonPermission - 215, // 162: lnrpc.RPCMiddlewareRequest.stream_auth:type_name -> lnrpc.StreamAuth - 216, // 163: lnrpc.RPCMiddlewareRequest.request:type_name -> lnrpc.RPCMessage - 216, // 164: lnrpc.RPCMiddlewareRequest.response:type_name -> lnrpc.RPCMessage - 218, // 165: lnrpc.RPCMiddlewareResponse.register:type_name -> lnrpc.MiddlewareRegistration - 219, // 166: lnrpc.RPCMiddlewareResponse.feedback:type_name -> lnrpc.InterceptFeedback - 177, // 167: lnrpc.Peer.FeaturesEntry.value:type_name -> lnrpc.Feature - 177, // 168: lnrpc.GetInfoResponse.FeaturesEntry.value:type_name -> lnrpc.Feature - 4, // 169: lnrpc.PendingChannelsResponse.PendingChannel.initiator:type_name -> lnrpc.Initiator - 3, // 170: lnrpc.PendingChannelsResponse.PendingChannel.commitment_type:type_name -> lnrpc.CommitmentType - 226, // 171: lnrpc.PendingChannelsResponse.PendingOpenChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 226, // 172: lnrpc.PendingChannelsResponse.WaitingCloseChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 229, // 173: lnrpc.PendingChannelsResponse.WaitingCloseChannel.commitments:type_name -> lnrpc.PendingChannelsResponse.Commitments - 226, // 174: lnrpc.PendingChannelsResponse.ClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 226, // 175: lnrpc.PendingChannelsResponse.ForceClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 108, // 176: lnrpc.PendingChannelsResponse.ForceClosedChannel.pending_htlcs:type_name -> lnrpc.PendingHTLC - 15, // 177: lnrpc.PendingChannelsResponse.ForceClosedChannel.anchor:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel.AnchorState - 113, // 178: lnrpc.WalletBalanceResponse.AccountBalanceEntry.value:type_name -> lnrpc.WalletAccountBalance - 177, // 179: lnrpc.LightningNode.FeaturesEntry.value:type_name -> lnrpc.Feature - 137, // 180: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry.value:type_name -> lnrpc.FloatMetric - 177, // 181: lnrpc.NodeUpdate.FeaturesEntry.value:type_name -> lnrpc.Feature - 177, // 182: lnrpc.Invoice.FeaturesEntry.value:type_name -> lnrpc.Feature - 154, // 183: lnrpc.Invoice.AmpInvoiceStateEntry.value:type_name -> lnrpc.AMPInvoiceState - 177, // 184: lnrpc.PayReq.FeaturesEntry.value:type_name -> lnrpc.Feature - 205, // 185: lnrpc.ListPermissionsResponse.MethodPermissionsEntry.value:type_name -> lnrpc.MacaroonPermissionList - 114, // 186: lnrpc.Lightning.WalletBalance:input_type -> lnrpc.WalletBalanceRequest - 117, // 187: lnrpc.Lightning.ChannelBalance:input_type -> lnrpc.ChannelBalanceRequest - 30, // 188: lnrpc.Lightning.GetTransactions:input_type -> lnrpc.GetTransactionsRequest - 42, // 189: lnrpc.Lightning.EstimateFee:input_type -> lnrpc.EstimateFeeRequest - 46, // 190: lnrpc.Lightning.SendCoins:input_type -> lnrpc.SendCoinsRequest - 48, // 191: lnrpc.Lightning.ListUnspent:input_type -> lnrpc.ListUnspentRequest - 30, // 192: lnrpc.Lightning.SubscribeTransactions:input_type -> lnrpc.GetTransactionsRequest - 44, // 193: lnrpc.Lightning.SendMany:input_type -> lnrpc.SendManyRequest - 50, // 194: lnrpc.Lightning.NewAddress:input_type -> lnrpc.NewAddressRequest - 52, // 195: lnrpc.Lightning.SignMessage:input_type -> lnrpc.SignMessageRequest - 54, // 196: lnrpc.Lightning.VerifyMessage:input_type -> lnrpc.VerifyMessageRequest - 56, // 197: lnrpc.Lightning.ConnectPeer:input_type -> lnrpc.ConnectPeerRequest - 58, // 198: lnrpc.Lightning.DisconnectPeer:input_type -> lnrpc.DisconnectPeerRequest - 74, // 199: lnrpc.Lightning.ListPeers:input_type -> lnrpc.ListPeersRequest - 76, // 200: lnrpc.Lightning.SubscribePeerEvents:input_type -> lnrpc.PeerEventSubscription - 78, // 201: lnrpc.Lightning.GetInfo:input_type -> lnrpc.GetInfoRequest - 80, // 202: lnrpc.Lightning.GetDebugInfo:input_type -> lnrpc.GetDebugInfoRequest - 82, // 203: lnrpc.Lightning.GetRecoveryInfo:input_type -> lnrpc.GetRecoveryInfoRequest - 109, // 204: lnrpc.Lightning.PendingChannels:input_type -> lnrpc.PendingChannelsRequest - 63, // 205: lnrpc.Lightning.ListChannels:input_type -> lnrpc.ListChannelsRequest - 111, // 206: lnrpc.Lightning.SubscribeChannelEvents:input_type -> lnrpc.ChannelEventSubscription - 70, // 207: lnrpc.Lightning.ClosedChannels:input_type -> lnrpc.ClosedChannelsRequest - 96, // 208: lnrpc.Lightning.OpenChannelSync:input_type -> lnrpc.OpenChannelRequest - 96, // 209: lnrpc.Lightning.OpenChannel:input_type -> lnrpc.OpenChannelRequest - 93, // 210: lnrpc.Lightning.BatchOpenChannel:input_type -> lnrpc.BatchOpenChannelRequest - 106, // 211: lnrpc.Lightning.FundingStateStep:input_type -> lnrpc.FundingTransitionMsg - 37, // 212: lnrpc.Lightning.ChannelAcceptor:input_type -> lnrpc.ChannelAcceptResponse - 88, // 213: lnrpc.Lightning.CloseChannel:input_type -> lnrpc.CloseChannelRequest - 171, // 214: lnrpc.Lightning.AbandonChannel:input_type -> lnrpc.AbandonChannelRequest - 33, // 215: lnrpc.Lightning.SendPayment:input_type -> lnrpc.SendRequest - 33, // 216: lnrpc.Lightning.SendPaymentSync:input_type -> lnrpc.SendRequest - 35, // 217: lnrpc.Lightning.SendToRoute:input_type -> lnrpc.SendToRouteRequest - 35, // 218: lnrpc.Lightning.SendToRouteSync:input_type -> lnrpc.SendToRouteRequest - 155, // 219: lnrpc.Lightning.AddInvoice:input_type -> lnrpc.Invoice - 160, // 220: lnrpc.Lightning.ListInvoices:input_type -> lnrpc.ListInvoiceRequest - 159, // 221: lnrpc.Lightning.LookupInvoice:input_type -> lnrpc.PaymentHash - 162, // 222: lnrpc.Lightning.SubscribeInvoices:input_type -> lnrpc.InvoiceSubscription - 175, // 223: lnrpc.Lightning.DecodePayReq:input_type -> lnrpc.PayReqString - 165, // 224: lnrpc.Lightning.ListPayments:input_type -> lnrpc.ListPaymentsRequest - 167, // 225: lnrpc.Lightning.DeletePayment:input_type -> lnrpc.DeletePaymentRequest - 168, // 226: lnrpc.Lightning.DeleteAllPayments:input_type -> lnrpc.DeleteAllPaymentsRequest - 133, // 227: lnrpc.Lightning.DescribeGraph:input_type -> lnrpc.ChannelGraphRequest - 135, // 228: lnrpc.Lightning.GetNodeMetrics:input_type -> lnrpc.NodeMetricsRequest - 138, // 229: lnrpc.Lightning.GetChanInfo:input_type -> lnrpc.ChanInfoRequest - 127, // 230: lnrpc.Lightning.GetNodeInfo:input_type -> lnrpc.NodeInfoRequest - 119, // 231: lnrpc.Lightning.QueryRoutes:input_type -> lnrpc.QueryRoutesRequest - 139, // 232: lnrpc.Lightning.GetNetworkInfo:input_type -> lnrpc.NetworkInfoRequest - 141, // 233: lnrpc.Lightning.StopDaemon:input_type -> lnrpc.StopRequest - 143, // 234: lnrpc.Lightning.SubscribeChannelGraph:input_type -> lnrpc.GraphTopologySubscription - 173, // 235: lnrpc.Lightning.DebugLevel:input_type -> lnrpc.DebugLevelRequest - 178, // 236: lnrpc.Lightning.FeeReport:input_type -> lnrpc.FeeReportRequest - 182, // 237: lnrpc.Lightning.UpdateChannelPolicy:input_type -> lnrpc.PolicyUpdateRequest - 185, // 238: lnrpc.Lightning.ForwardingHistory:input_type -> lnrpc.ForwardingHistoryRequest - 188, // 239: lnrpc.Lightning.ExportChannelBackup:input_type -> lnrpc.ExportChannelBackupRequest - 191, // 240: lnrpc.Lightning.ExportAllChannelBackups:input_type -> lnrpc.ChanBackupExportRequest - 192, // 241: lnrpc.Lightning.VerifyChanBackup:input_type -> lnrpc.ChanBackupSnapshot - 194, // 242: lnrpc.Lightning.RestoreChannelBackups:input_type -> lnrpc.RestoreChanBackupRequest - 196, // 243: lnrpc.Lightning.SubscribeChannelBackups:input_type -> lnrpc.ChannelBackupSubscription - 199, // 244: lnrpc.Lightning.BakeMacaroon:input_type -> lnrpc.BakeMacaroonRequest - 201, // 245: lnrpc.Lightning.ListMacaroonIDs:input_type -> lnrpc.ListMacaroonIDsRequest - 203, // 246: lnrpc.Lightning.DeleteMacaroonID:input_type -> lnrpc.DeleteMacaroonIDRequest - 206, // 247: lnrpc.Lightning.ListPermissions:input_type -> lnrpc.ListPermissionsRequest - 212, // 248: lnrpc.Lightning.CheckMacaroonPermissions:input_type -> lnrpc.CheckMacPermRequest - 217, // 249: lnrpc.Lightning.RegisterRPCMiddleware:input_type -> lnrpc.RPCMiddlewareResponse - 25, // 250: lnrpc.Lightning.SendCustomMessage:input_type -> lnrpc.SendCustomMessageRequest - 23, // 251: lnrpc.Lightning.SubscribeCustomMessages:input_type -> lnrpc.SubscribeCustomMessagesRequest - 66, // 252: lnrpc.Lightning.ListAliases:input_type -> lnrpc.ListAliasesRequest - 21, // 253: lnrpc.Lightning.LookupHtlcResolution:input_type -> lnrpc.LookupHtlcResolutionRequest - 115, // 254: lnrpc.Lightning.WalletBalance:output_type -> lnrpc.WalletBalanceResponse - 118, // 255: lnrpc.Lightning.ChannelBalance:output_type -> lnrpc.ChannelBalanceResponse - 31, // 256: lnrpc.Lightning.GetTransactions:output_type -> lnrpc.TransactionDetails - 43, // 257: lnrpc.Lightning.EstimateFee:output_type -> lnrpc.EstimateFeeResponse - 47, // 258: lnrpc.Lightning.SendCoins:output_type -> lnrpc.SendCoinsResponse - 49, // 259: lnrpc.Lightning.ListUnspent:output_type -> lnrpc.ListUnspentResponse - 29, // 260: lnrpc.Lightning.SubscribeTransactions:output_type -> lnrpc.Transaction - 45, // 261: lnrpc.Lightning.SendMany:output_type -> lnrpc.SendManyResponse - 51, // 262: lnrpc.Lightning.NewAddress:output_type -> lnrpc.NewAddressResponse - 53, // 263: lnrpc.Lightning.SignMessage:output_type -> lnrpc.SignMessageResponse - 55, // 264: lnrpc.Lightning.VerifyMessage:output_type -> lnrpc.VerifyMessageResponse - 57, // 265: lnrpc.Lightning.ConnectPeer:output_type -> lnrpc.ConnectPeerResponse - 59, // 266: lnrpc.Lightning.DisconnectPeer:output_type -> lnrpc.DisconnectPeerResponse - 75, // 267: lnrpc.Lightning.ListPeers:output_type -> lnrpc.ListPeersResponse - 77, // 268: lnrpc.Lightning.SubscribePeerEvents:output_type -> lnrpc.PeerEvent - 79, // 269: lnrpc.Lightning.GetInfo:output_type -> lnrpc.GetInfoResponse - 81, // 270: lnrpc.Lightning.GetDebugInfo:output_type -> lnrpc.GetDebugInfoResponse - 83, // 271: lnrpc.Lightning.GetRecoveryInfo:output_type -> lnrpc.GetRecoveryInfoResponse - 110, // 272: lnrpc.Lightning.PendingChannels:output_type -> lnrpc.PendingChannelsResponse - 64, // 273: lnrpc.Lightning.ListChannels:output_type -> lnrpc.ListChannelsResponse - 112, // 274: lnrpc.Lightning.SubscribeChannelEvents:output_type -> lnrpc.ChannelEventUpdate - 71, // 275: lnrpc.Lightning.ClosedChannels:output_type -> lnrpc.ClosedChannelsResponse - 38, // 276: lnrpc.Lightning.OpenChannelSync:output_type -> lnrpc.ChannelPoint - 97, // 277: lnrpc.Lightning.OpenChannel:output_type -> lnrpc.OpenStatusUpdate - 95, // 278: lnrpc.Lightning.BatchOpenChannel:output_type -> lnrpc.BatchOpenChannelResponse - 107, // 279: lnrpc.Lightning.FundingStateStep:output_type -> lnrpc.FundingStateStepResp - 36, // 280: lnrpc.Lightning.ChannelAcceptor:output_type -> lnrpc.ChannelAcceptRequest - 89, // 281: lnrpc.Lightning.CloseChannel:output_type -> lnrpc.CloseStatusUpdate - 172, // 282: lnrpc.Lightning.AbandonChannel:output_type -> lnrpc.AbandonChannelResponse - 34, // 283: lnrpc.Lightning.SendPayment:output_type -> lnrpc.SendResponse - 34, // 284: lnrpc.Lightning.SendPaymentSync:output_type -> lnrpc.SendResponse - 34, // 285: lnrpc.Lightning.SendToRoute:output_type -> lnrpc.SendResponse - 34, // 286: lnrpc.Lightning.SendToRouteSync:output_type -> lnrpc.SendResponse - 158, // 287: lnrpc.Lightning.AddInvoice:output_type -> lnrpc.AddInvoiceResponse - 161, // 288: lnrpc.Lightning.ListInvoices:output_type -> lnrpc.ListInvoiceResponse - 155, // 289: lnrpc.Lightning.LookupInvoice:output_type -> lnrpc.Invoice - 155, // 290: lnrpc.Lightning.SubscribeInvoices:output_type -> lnrpc.Invoice - 176, // 291: lnrpc.Lightning.DecodePayReq:output_type -> lnrpc.PayReq - 166, // 292: lnrpc.Lightning.ListPayments:output_type -> lnrpc.ListPaymentsResponse - 169, // 293: lnrpc.Lightning.DeletePayment:output_type -> lnrpc.DeletePaymentResponse - 170, // 294: lnrpc.Lightning.DeleteAllPayments:output_type -> lnrpc.DeleteAllPaymentsResponse - 134, // 295: lnrpc.Lightning.DescribeGraph:output_type -> lnrpc.ChannelGraph - 136, // 296: lnrpc.Lightning.GetNodeMetrics:output_type -> lnrpc.NodeMetricsResponse - 132, // 297: lnrpc.Lightning.GetChanInfo:output_type -> lnrpc.ChannelEdge - 128, // 298: lnrpc.Lightning.GetNodeInfo:output_type -> lnrpc.NodeInfo - 122, // 299: lnrpc.Lightning.QueryRoutes:output_type -> lnrpc.QueryRoutesResponse - 140, // 300: lnrpc.Lightning.GetNetworkInfo:output_type -> lnrpc.NetworkInfo - 142, // 301: lnrpc.Lightning.StopDaemon:output_type -> lnrpc.StopResponse - 144, // 302: lnrpc.Lightning.SubscribeChannelGraph:output_type -> lnrpc.GraphTopologyUpdate - 174, // 303: lnrpc.Lightning.DebugLevel:output_type -> lnrpc.DebugLevelResponse - 180, // 304: lnrpc.Lightning.FeeReport:output_type -> lnrpc.FeeReportResponse - 184, // 305: lnrpc.Lightning.UpdateChannelPolicy:output_type -> lnrpc.PolicyUpdateResponse - 187, // 306: lnrpc.Lightning.ForwardingHistory:output_type -> lnrpc.ForwardingHistoryResponse - 189, // 307: lnrpc.Lightning.ExportChannelBackup:output_type -> lnrpc.ChannelBackup - 192, // 308: lnrpc.Lightning.ExportAllChannelBackups:output_type -> lnrpc.ChanBackupSnapshot - 197, // 309: lnrpc.Lightning.VerifyChanBackup:output_type -> lnrpc.VerifyChanBackupResponse - 195, // 310: lnrpc.Lightning.RestoreChannelBackups:output_type -> lnrpc.RestoreBackupResponse - 192, // 311: lnrpc.Lightning.SubscribeChannelBackups:output_type -> lnrpc.ChanBackupSnapshot - 200, // 312: lnrpc.Lightning.BakeMacaroon:output_type -> lnrpc.BakeMacaroonResponse - 202, // 313: lnrpc.Lightning.ListMacaroonIDs:output_type -> lnrpc.ListMacaroonIDsResponse - 204, // 314: lnrpc.Lightning.DeleteMacaroonID:output_type -> lnrpc.DeleteMacaroonIDResponse - 207, // 315: lnrpc.Lightning.ListPermissions:output_type -> lnrpc.ListPermissionsResponse - 213, // 316: lnrpc.Lightning.CheckMacaroonPermissions:output_type -> lnrpc.CheckMacPermResponse - 214, // 317: lnrpc.Lightning.RegisterRPCMiddleware:output_type -> lnrpc.RPCMiddlewareRequest - 26, // 318: lnrpc.Lightning.SendCustomMessage:output_type -> lnrpc.SendCustomMessageResponse - 24, // 319: lnrpc.Lightning.SubscribeCustomMessages:output_type -> lnrpc.CustomMessage - 67, // 320: lnrpc.Lightning.ListAliases:output_type -> lnrpc.ListAliasesResponse - 22, // 321: lnrpc.Lightning.LookupHtlcResolution:output_type -> lnrpc.LookupHtlcResolutionResponse - 254, // [254:322] is the sub-list for method output_type - 186, // [186:254] is the sub-list for method input_type - 186, // [186:186] is the sub-list for extension type_name - 186, // [186:186] is the sub-list for extension extendee - 0, // [0:186] is the sub-list for field type_name + 151, // 141: lnrpc.PayReq.blinded_paths:type_name -> lnrpc.BlindedPaymentPath + 179, // 142: lnrpc.FeeReportResponse.channel_fees:type_name -> lnrpc.ChannelFeeReport + 38, // 143: lnrpc.PolicyUpdateRequest.chan_point:type_name -> lnrpc.ChannelPoint + 181, // 144: lnrpc.PolicyUpdateRequest.inbound_fee:type_name -> lnrpc.InboundFee + 39, // 145: lnrpc.FailedUpdate.outpoint:type_name -> lnrpc.OutPoint + 11, // 146: lnrpc.FailedUpdate.reason:type_name -> lnrpc.UpdateFailure + 183, // 147: lnrpc.PolicyUpdateResponse.failed_updates:type_name -> lnrpc.FailedUpdate + 186, // 148: lnrpc.ForwardingHistoryResponse.forwarding_events:type_name -> lnrpc.ForwardingEvent + 38, // 149: lnrpc.ExportChannelBackupRequest.chan_point:type_name -> lnrpc.ChannelPoint + 38, // 150: lnrpc.ChannelBackup.chan_point:type_name -> lnrpc.ChannelPoint + 38, // 151: lnrpc.MultiChanBackup.chan_points:type_name -> lnrpc.ChannelPoint + 193, // 152: lnrpc.ChanBackupSnapshot.single_chan_backups:type_name -> lnrpc.ChannelBackups + 190, // 153: lnrpc.ChanBackupSnapshot.multi_chan_backup:type_name -> lnrpc.MultiChanBackup + 189, // 154: lnrpc.ChannelBackups.chan_backups:type_name -> lnrpc.ChannelBackup + 193, // 155: lnrpc.RestoreChanBackupRequest.chan_backups:type_name -> lnrpc.ChannelBackups + 198, // 156: lnrpc.BakeMacaroonRequest.permissions:type_name -> lnrpc.MacaroonPermission + 198, // 157: lnrpc.MacaroonPermissionList.permissions:type_name -> lnrpc.MacaroonPermission + 245, // 158: lnrpc.ListPermissionsResponse.method_permissions:type_name -> lnrpc.ListPermissionsResponse.MethodPermissionsEntry + 20, // 159: lnrpc.Failure.code:type_name -> lnrpc.Failure.FailureCode + 209, // 160: lnrpc.Failure.channel_update:type_name -> lnrpc.ChannelUpdate + 211, // 161: lnrpc.MacaroonId.ops:type_name -> lnrpc.Op + 198, // 162: lnrpc.CheckMacPermRequest.permissions:type_name -> lnrpc.MacaroonPermission + 215, // 163: lnrpc.RPCMiddlewareRequest.stream_auth:type_name -> lnrpc.StreamAuth + 216, // 164: lnrpc.RPCMiddlewareRequest.request:type_name -> lnrpc.RPCMessage + 216, // 165: lnrpc.RPCMiddlewareRequest.response:type_name -> lnrpc.RPCMessage + 218, // 166: lnrpc.RPCMiddlewareResponse.register:type_name -> lnrpc.MiddlewareRegistration + 219, // 167: lnrpc.RPCMiddlewareResponse.feedback:type_name -> lnrpc.InterceptFeedback + 177, // 168: lnrpc.Peer.FeaturesEntry.value:type_name -> lnrpc.Feature + 177, // 169: lnrpc.GetInfoResponse.FeaturesEntry.value:type_name -> lnrpc.Feature + 4, // 170: lnrpc.PendingChannelsResponse.PendingChannel.initiator:type_name -> lnrpc.Initiator + 3, // 171: lnrpc.PendingChannelsResponse.PendingChannel.commitment_type:type_name -> lnrpc.CommitmentType + 226, // 172: lnrpc.PendingChannelsResponse.PendingOpenChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 226, // 173: lnrpc.PendingChannelsResponse.WaitingCloseChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 229, // 174: lnrpc.PendingChannelsResponse.WaitingCloseChannel.commitments:type_name -> lnrpc.PendingChannelsResponse.Commitments + 226, // 175: lnrpc.PendingChannelsResponse.ClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 226, // 176: lnrpc.PendingChannelsResponse.ForceClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 108, // 177: lnrpc.PendingChannelsResponse.ForceClosedChannel.pending_htlcs:type_name -> lnrpc.PendingHTLC + 15, // 178: lnrpc.PendingChannelsResponse.ForceClosedChannel.anchor:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel.AnchorState + 113, // 179: lnrpc.WalletBalanceResponse.AccountBalanceEntry.value:type_name -> lnrpc.WalletAccountBalance + 177, // 180: lnrpc.LightningNode.FeaturesEntry.value:type_name -> lnrpc.Feature + 137, // 181: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry.value:type_name -> lnrpc.FloatMetric + 177, // 182: lnrpc.NodeUpdate.FeaturesEntry.value:type_name -> lnrpc.Feature + 177, // 183: lnrpc.Invoice.FeaturesEntry.value:type_name -> lnrpc.Feature + 154, // 184: lnrpc.Invoice.AmpInvoiceStateEntry.value:type_name -> lnrpc.AMPInvoiceState + 177, // 185: lnrpc.PayReq.FeaturesEntry.value:type_name -> lnrpc.Feature + 205, // 186: lnrpc.ListPermissionsResponse.MethodPermissionsEntry.value:type_name -> lnrpc.MacaroonPermissionList + 114, // 187: lnrpc.Lightning.WalletBalance:input_type -> lnrpc.WalletBalanceRequest + 117, // 188: lnrpc.Lightning.ChannelBalance:input_type -> lnrpc.ChannelBalanceRequest + 30, // 189: lnrpc.Lightning.GetTransactions:input_type -> lnrpc.GetTransactionsRequest + 42, // 190: lnrpc.Lightning.EstimateFee:input_type -> lnrpc.EstimateFeeRequest + 46, // 191: lnrpc.Lightning.SendCoins:input_type -> lnrpc.SendCoinsRequest + 48, // 192: lnrpc.Lightning.ListUnspent:input_type -> lnrpc.ListUnspentRequest + 30, // 193: lnrpc.Lightning.SubscribeTransactions:input_type -> lnrpc.GetTransactionsRequest + 44, // 194: lnrpc.Lightning.SendMany:input_type -> lnrpc.SendManyRequest + 50, // 195: lnrpc.Lightning.NewAddress:input_type -> lnrpc.NewAddressRequest + 52, // 196: lnrpc.Lightning.SignMessage:input_type -> lnrpc.SignMessageRequest + 54, // 197: lnrpc.Lightning.VerifyMessage:input_type -> lnrpc.VerifyMessageRequest + 56, // 198: lnrpc.Lightning.ConnectPeer:input_type -> lnrpc.ConnectPeerRequest + 58, // 199: lnrpc.Lightning.DisconnectPeer:input_type -> lnrpc.DisconnectPeerRequest + 74, // 200: lnrpc.Lightning.ListPeers:input_type -> lnrpc.ListPeersRequest + 76, // 201: lnrpc.Lightning.SubscribePeerEvents:input_type -> lnrpc.PeerEventSubscription + 78, // 202: lnrpc.Lightning.GetInfo:input_type -> lnrpc.GetInfoRequest + 80, // 203: lnrpc.Lightning.GetDebugInfo:input_type -> lnrpc.GetDebugInfoRequest + 82, // 204: lnrpc.Lightning.GetRecoveryInfo:input_type -> lnrpc.GetRecoveryInfoRequest + 109, // 205: lnrpc.Lightning.PendingChannels:input_type -> lnrpc.PendingChannelsRequest + 63, // 206: lnrpc.Lightning.ListChannels:input_type -> lnrpc.ListChannelsRequest + 111, // 207: lnrpc.Lightning.SubscribeChannelEvents:input_type -> lnrpc.ChannelEventSubscription + 70, // 208: lnrpc.Lightning.ClosedChannels:input_type -> lnrpc.ClosedChannelsRequest + 96, // 209: lnrpc.Lightning.OpenChannelSync:input_type -> lnrpc.OpenChannelRequest + 96, // 210: lnrpc.Lightning.OpenChannel:input_type -> lnrpc.OpenChannelRequest + 93, // 211: lnrpc.Lightning.BatchOpenChannel:input_type -> lnrpc.BatchOpenChannelRequest + 106, // 212: lnrpc.Lightning.FundingStateStep:input_type -> lnrpc.FundingTransitionMsg + 37, // 213: lnrpc.Lightning.ChannelAcceptor:input_type -> lnrpc.ChannelAcceptResponse + 88, // 214: lnrpc.Lightning.CloseChannel:input_type -> lnrpc.CloseChannelRequest + 171, // 215: lnrpc.Lightning.AbandonChannel:input_type -> lnrpc.AbandonChannelRequest + 33, // 216: lnrpc.Lightning.SendPayment:input_type -> lnrpc.SendRequest + 33, // 217: lnrpc.Lightning.SendPaymentSync:input_type -> lnrpc.SendRequest + 35, // 218: lnrpc.Lightning.SendToRoute:input_type -> lnrpc.SendToRouteRequest + 35, // 219: lnrpc.Lightning.SendToRouteSync:input_type -> lnrpc.SendToRouteRequest + 155, // 220: lnrpc.Lightning.AddInvoice:input_type -> lnrpc.Invoice + 160, // 221: lnrpc.Lightning.ListInvoices:input_type -> lnrpc.ListInvoiceRequest + 159, // 222: lnrpc.Lightning.LookupInvoice:input_type -> lnrpc.PaymentHash + 162, // 223: lnrpc.Lightning.SubscribeInvoices:input_type -> lnrpc.InvoiceSubscription + 175, // 224: lnrpc.Lightning.DecodePayReq:input_type -> lnrpc.PayReqString + 165, // 225: lnrpc.Lightning.ListPayments:input_type -> lnrpc.ListPaymentsRequest + 167, // 226: lnrpc.Lightning.DeletePayment:input_type -> lnrpc.DeletePaymentRequest + 168, // 227: lnrpc.Lightning.DeleteAllPayments:input_type -> lnrpc.DeleteAllPaymentsRequest + 133, // 228: lnrpc.Lightning.DescribeGraph:input_type -> lnrpc.ChannelGraphRequest + 135, // 229: lnrpc.Lightning.GetNodeMetrics:input_type -> lnrpc.NodeMetricsRequest + 138, // 230: lnrpc.Lightning.GetChanInfo:input_type -> lnrpc.ChanInfoRequest + 127, // 231: lnrpc.Lightning.GetNodeInfo:input_type -> lnrpc.NodeInfoRequest + 119, // 232: lnrpc.Lightning.QueryRoutes:input_type -> lnrpc.QueryRoutesRequest + 139, // 233: lnrpc.Lightning.GetNetworkInfo:input_type -> lnrpc.NetworkInfoRequest + 141, // 234: lnrpc.Lightning.StopDaemon:input_type -> lnrpc.StopRequest + 143, // 235: lnrpc.Lightning.SubscribeChannelGraph:input_type -> lnrpc.GraphTopologySubscription + 173, // 236: lnrpc.Lightning.DebugLevel:input_type -> lnrpc.DebugLevelRequest + 178, // 237: lnrpc.Lightning.FeeReport:input_type -> lnrpc.FeeReportRequest + 182, // 238: lnrpc.Lightning.UpdateChannelPolicy:input_type -> lnrpc.PolicyUpdateRequest + 185, // 239: lnrpc.Lightning.ForwardingHistory:input_type -> lnrpc.ForwardingHistoryRequest + 188, // 240: lnrpc.Lightning.ExportChannelBackup:input_type -> lnrpc.ExportChannelBackupRequest + 191, // 241: lnrpc.Lightning.ExportAllChannelBackups:input_type -> lnrpc.ChanBackupExportRequest + 192, // 242: lnrpc.Lightning.VerifyChanBackup:input_type -> lnrpc.ChanBackupSnapshot + 194, // 243: lnrpc.Lightning.RestoreChannelBackups:input_type -> lnrpc.RestoreChanBackupRequest + 196, // 244: lnrpc.Lightning.SubscribeChannelBackups:input_type -> lnrpc.ChannelBackupSubscription + 199, // 245: lnrpc.Lightning.BakeMacaroon:input_type -> lnrpc.BakeMacaroonRequest + 201, // 246: lnrpc.Lightning.ListMacaroonIDs:input_type -> lnrpc.ListMacaroonIDsRequest + 203, // 247: lnrpc.Lightning.DeleteMacaroonID:input_type -> lnrpc.DeleteMacaroonIDRequest + 206, // 248: lnrpc.Lightning.ListPermissions:input_type -> lnrpc.ListPermissionsRequest + 212, // 249: lnrpc.Lightning.CheckMacaroonPermissions:input_type -> lnrpc.CheckMacPermRequest + 217, // 250: lnrpc.Lightning.RegisterRPCMiddleware:input_type -> lnrpc.RPCMiddlewareResponse + 25, // 251: lnrpc.Lightning.SendCustomMessage:input_type -> lnrpc.SendCustomMessageRequest + 23, // 252: lnrpc.Lightning.SubscribeCustomMessages:input_type -> lnrpc.SubscribeCustomMessagesRequest + 66, // 253: lnrpc.Lightning.ListAliases:input_type -> lnrpc.ListAliasesRequest + 21, // 254: lnrpc.Lightning.LookupHtlcResolution:input_type -> lnrpc.LookupHtlcResolutionRequest + 115, // 255: lnrpc.Lightning.WalletBalance:output_type -> lnrpc.WalletBalanceResponse + 118, // 256: lnrpc.Lightning.ChannelBalance:output_type -> lnrpc.ChannelBalanceResponse + 31, // 257: lnrpc.Lightning.GetTransactions:output_type -> lnrpc.TransactionDetails + 43, // 258: lnrpc.Lightning.EstimateFee:output_type -> lnrpc.EstimateFeeResponse + 47, // 259: lnrpc.Lightning.SendCoins:output_type -> lnrpc.SendCoinsResponse + 49, // 260: lnrpc.Lightning.ListUnspent:output_type -> lnrpc.ListUnspentResponse + 29, // 261: lnrpc.Lightning.SubscribeTransactions:output_type -> lnrpc.Transaction + 45, // 262: lnrpc.Lightning.SendMany:output_type -> lnrpc.SendManyResponse + 51, // 263: lnrpc.Lightning.NewAddress:output_type -> lnrpc.NewAddressResponse + 53, // 264: lnrpc.Lightning.SignMessage:output_type -> lnrpc.SignMessageResponse + 55, // 265: lnrpc.Lightning.VerifyMessage:output_type -> lnrpc.VerifyMessageResponse + 57, // 266: lnrpc.Lightning.ConnectPeer:output_type -> lnrpc.ConnectPeerResponse + 59, // 267: lnrpc.Lightning.DisconnectPeer:output_type -> lnrpc.DisconnectPeerResponse + 75, // 268: lnrpc.Lightning.ListPeers:output_type -> lnrpc.ListPeersResponse + 77, // 269: lnrpc.Lightning.SubscribePeerEvents:output_type -> lnrpc.PeerEvent + 79, // 270: lnrpc.Lightning.GetInfo:output_type -> lnrpc.GetInfoResponse + 81, // 271: lnrpc.Lightning.GetDebugInfo:output_type -> lnrpc.GetDebugInfoResponse + 83, // 272: lnrpc.Lightning.GetRecoveryInfo:output_type -> lnrpc.GetRecoveryInfoResponse + 110, // 273: lnrpc.Lightning.PendingChannels:output_type -> lnrpc.PendingChannelsResponse + 64, // 274: lnrpc.Lightning.ListChannels:output_type -> lnrpc.ListChannelsResponse + 112, // 275: lnrpc.Lightning.SubscribeChannelEvents:output_type -> lnrpc.ChannelEventUpdate + 71, // 276: lnrpc.Lightning.ClosedChannels:output_type -> lnrpc.ClosedChannelsResponse + 38, // 277: lnrpc.Lightning.OpenChannelSync:output_type -> lnrpc.ChannelPoint + 97, // 278: lnrpc.Lightning.OpenChannel:output_type -> lnrpc.OpenStatusUpdate + 95, // 279: lnrpc.Lightning.BatchOpenChannel:output_type -> lnrpc.BatchOpenChannelResponse + 107, // 280: lnrpc.Lightning.FundingStateStep:output_type -> lnrpc.FundingStateStepResp + 36, // 281: lnrpc.Lightning.ChannelAcceptor:output_type -> lnrpc.ChannelAcceptRequest + 89, // 282: lnrpc.Lightning.CloseChannel:output_type -> lnrpc.CloseStatusUpdate + 172, // 283: lnrpc.Lightning.AbandonChannel:output_type -> lnrpc.AbandonChannelResponse + 34, // 284: lnrpc.Lightning.SendPayment:output_type -> lnrpc.SendResponse + 34, // 285: lnrpc.Lightning.SendPaymentSync:output_type -> lnrpc.SendResponse + 34, // 286: lnrpc.Lightning.SendToRoute:output_type -> lnrpc.SendResponse + 34, // 287: lnrpc.Lightning.SendToRouteSync:output_type -> lnrpc.SendResponse + 158, // 288: lnrpc.Lightning.AddInvoice:output_type -> lnrpc.AddInvoiceResponse + 161, // 289: lnrpc.Lightning.ListInvoices:output_type -> lnrpc.ListInvoiceResponse + 155, // 290: lnrpc.Lightning.LookupInvoice:output_type -> lnrpc.Invoice + 155, // 291: lnrpc.Lightning.SubscribeInvoices:output_type -> lnrpc.Invoice + 176, // 292: lnrpc.Lightning.DecodePayReq:output_type -> lnrpc.PayReq + 166, // 293: lnrpc.Lightning.ListPayments:output_type -> lnrpc.ListPaymentsResponse + 169, // 294: lnrpc.Lightning.DeletePayment:output_type -> lnrpc.DeletePaymentResponse + 170, // 295: lnrpc.Lightning.DeleteAllPayments:output_type -> lnrpc.DeleteAllPaymentsResponse + 134, // 296: lnrpc.Lightning.DescribeGraph:output_type -> lnrpc.ChannelGraph + 136, // 297: lnrpc.Lightning.GetNodeMetrics:output_type -> lnrpc.NodeMetricsResponse + 132, // 298: lnrpc.Lightning.GetChanInfo:output_type -> lnrpc.ChannelEdge + 128, // 299: lnrpc.Lightning.GetNodeInfo:output_type -> lnrpc.NodeInfo + 122, // 300: lnrpc.Lightning.QueryRoutes:output_type -> lnrpc.QueryRoutesResponse + 140, // 301: lnrpc.Lightning.GetNetworkInfo:output_type -> lnrpc.NetworkInfo + 142, // 302: lnrpc.Lightning.StopDaemon:output_type -> lnrpc.StopResponse + 144, // 303: lnrpc.Lightning.SubscribeChannelGraph:output_type -> lnrpc.GraphTopologyUpdate + 174, // 304: lnrpc.Lightning.DebugLevel:output_type -> lnrpc.DebugLevelResponse + 180, // 305: lnrpc.Lightning.FeeReport:output_type -> lnrpc.FeeReportResponse + 184, // 306: lnrpc.Lightning.UpdateChannelPolicy:output_type -> lnrpc.PolicyUpdateResponse + 187, // 307: lnrpc.Lightning.ForwardingHistory:output_type -> lnrpc.ForwardingHistoryResponse + 189, // 308: lnrpc.Lightning.ExportChannelBackup:output_type -> lnrpc.ChannelBackup + 192, // 309: lnrpc.Lightning.ExportAllChannelBackups:output_type -> lnrpc.ChanBackupSnapshot + 197, // 310: lnrpc.Lightning.VerifyChanBackup:output_type -> lnrpc.VerifyChanBackupResponse + 195, // 311: lnrpc.Lightning.RestoreChannelBackups:output_type -> lnrpc.RestoreBackupResponse + 192, // 312: lnrpc.Lightning.SubscribeChannelBackups:output_type -> lnrpc.ChanBackupSnapshot + 200, // 313: lnrpc.Lightning.BakeMacaroon:output_type -> lnrpc.BakeMacaroonResponse + 202, // 314: lnrpc.Lightning.ListMacaroonIDs:output_type -> lnrpc.ListMacaroonIDsResponse + 204, // 315: lnrpc.Lightning.DeleteMacaroonID:output_type -> lnrpc.DeleteMacaroonIDResponse + 207, // 316: lnrpc.Lightning.ListPermissions:output_type -> lnrpc.ListPermissionsResponse + 213, // 317: lnrpc.Lightning.CheckMacaroonPermissions:output_type -> lnrpc.CheckMacPermResponse + 214, // 318: lnrpc.Lightning.RegisterRPCMiddleware:output_type -> lnrpc.RPCMiddlewareRequest + 26, // 319: lnrpc.Lightning.SendCustomMessage:output_type -> lnrpc.SendCustomMessageResponse + 24, // 320: lnrpc.Lightning.SubscribeCustomMessages:output_type -> lnrpc.CustomMessage + 67, // 321: lnrpc.Lightning.ListAliases:output_type -> lnrpc.ListAliasesResponse + 22, // 322: lnrpc.Lightning.LookupHtlcResolution:output_type -> lnrpc.LookupHtlcResolutionResponse + 255, // [255:323] is the sub-list for method output_type + 187, // [187:255] is the sub-list for method input_type + 187, // [187:187] is the sub-list for extension type_name + 187, // [187:187] is the sub-list for extension extendee + 0, // [0:187] is the sub-list for field type_name } func init() { file_lightning_proto_init() } diff --git a/lnrpc/lightning.proto b/lnrpc/lightning.proto index a13ca95c5f..5b912e9c00 100644 --- a/lnrpc/lightning.proto +++ b/lnrpc/lightning.proto @@ -4289,6 +4289,7 @@ message PayReq { bytes payment_addr = 11; int64 num_msat = 12; map features = 13; + repeated BlindedPaymentPath blinded_paths = 14; } enum FeatureBit { diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index ae59f4a196..a0c6761ffd 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -6299,6 +6299,12 @@ "additionalProperties": { "$ref": "#/definitions/lnrpcFeature" } + }, + "blinded_paths": { + "type": "array", + "items": { + "$ref": "#/definitions/lnrpcBlindedPaymentPath" + } } } }, diff --git a/rpcserver.go b/rpcserver.go index 4cd0fc4587..a306d4fd29 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -6971,6 +6971,13 @@ func (r *rpcServer) DecodePayReq(ctx context.Context, // Convert between the `lnrpc` and `routing` types. routeHints := invoicesrpc.CreateRPCRouteHints(payReq.RouteHints) + blindedPaymentPaths, err := invoicesrpc.CreateRPCBlindedPayments( + payReq.BlindedPaymentPaths, + ) + if err != nil { + return nil, err + } + var amtSat, amtMsat int64 if payReq.MilliSat != nil { amtSat = int64(payReq.MilliSat.ToSatoshis()) @@ -6996,6 +7003,7 @@ func (r *rpcServer) DecodePayReq(ctx context.Context, Expiry: expiry, CltvExpiry: int64(payReq.MinFinalCLTVExpiry()), RouteHints: routeHints, + BlindedPaths: blindedPaymentPaths, PaymentAddr: paymentAddr, Features: invoicesrpc.CreateRPCFeatures(payReq.Features), }, nil From cd3da40fb99f0e43738576699650d472e4045c1d Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 7 May 2024 12:16:17 +0200 Subject: [PATCH 082/343] routing: dont include final hop cltv in blinded path Only include the final hop's cltv delta in the total timelock calculation if the route does not include a blinded path. This is because in a blinded path, the final hops final cltv delta will be included in the blinded path's accumlated cltv delta value. With this commit, we remove the responsibility of remembering not to set the `finalHop.cltvDelta` from the caller of `newRoute`. The relevant test is updated accordingly. --- cmd/lncli/cmd_payments.go | 16 ++++++++++++++-- routing/pathfind.go | 33 ++++++++++++++++++++++++++------- routing/pathfind_test.go | 13 ++++++++----- zpay32/invoice.go | 4 ++++ 4 files changed, 52 insertions(+), 14 deletions(-) diff --git a/cmd/lncli/cmd_payments.go b/cmd/lncli/cmd_payments.go index ec6a04b37c..228dd3415f 100644 --- a/cmd/lncli/cmd_payments.go +++ b/cmd/lncli/cmd_payments.go @@ -1099,8 +1099,13 @@ var queryRoutesCommand = cli.Command{ }, cli.Int64Flag{ Name: "final_cltv_delta", - Usage: "(optional) number of blocks the last hop has to reveal " + - "the preimage", + Usage: "(optional) number of blocks the last hop has " + + "to reveal the preimage. Note that this " + + "should not be set in the case where the " + + "path includes a blinded path since in " + + "that case, the receiver will already have " + + "accounted for this value in the " + + "blinded_cltv value", }, cli.BoolFlag{ Name: "use_mc", @@ -1238,6 +1243,13 @@ func parseBlindedPaymentParameters(ctx *cli.Context) ( return nil, nil } + // If a blinded path has been provided, then the final_cltv_delta flag + // should not be provided since this value will be ignored. + if ctx.IsSet("final_cltv_delta") { + return nil, fmt.Errorf("`final_cltv_delta` should not be " + + "provided if a blinded path is provided") + } + // If any one of our blinding related flags is set, we expect the // full set to be set and we'll error out accordingly. introNode, err := route.NewVertexFromStr( diff --git a/routing/pathfind.go b/routing/pathfind.go index 801725d3e6..208a550858 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -96,9 +96,17 @@ type edgePolicyWithSource struct { // such as amounts and cltvs, as well as more complex features like destination // custom records and payment address. type finalHopParams struct { - amt lnwire.MilliSatoshi - totalAmt lnwire.MilliSatoshi - cltvDelta uint16 + amt lnwire.MilliSatoshi + totalAmt lnwire.MilliSatoshi + + // cltvDelta is the final hop's minimum CLTV expiry delta. + // + // NOTE that in the case of paying to a blinded path, this value will + // be set to a duplicate of the blinded path's accumulated CLTV value. + // We would then only need to use this value in the case where the + // introduction node of the path is also the destination node. + cltvDelta uint16 + records record.CustomSet paymentAddr *[32]byte @@ -190,10 +198,21 @@ func newRoute(sourceVertex route.Vertex, // reporting through RPC. Set to zero for the final hop. fee = 0 - // As this is the last hop, we'll use the specified - // final CLTV delta value instead of the value from the - // last link in the route. - totalTimeLock += uint32(finalHop.cltvDelta) + // Only include the final hop CLTV delta in the total + // time lock value if this is not a route to a blinded + // path. For blinded paths, the total time-lock from the + // whole path will be deduced from the introduction + // node's CLTV delta. The exception is for the case + // where the final hop is the blinded path introduction + // node. + if blindedPath == nil || + len(blindedPath.BlindedHops) == 1 { + + // As this is the last hop, we'll use the + // specified final CLTV delta value instead of + // the value from the last link in the route. + totalTimeLock += uint32(finalHop.cltvDelta) + } outgoingTimeLock = totalTimeLock // Attach any custom records to the final hop. diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index fd9839dbaf..0f2a2659b1 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3322,16 +3322,19 @@ func TestBlindedRouteConstruction(t *testing.T) { ToNodeFeatures: tlvFeatures, } - // Create final hop parameters for payment amount = 110. Note - // that final cltv delta is not set because blinded paths - // include this final delta in their aggregate delta. A - // sender-set delta may be added to account for block arrival - // during payment, but we do not set it in this test. + // Create final hop parameters for payment amount = 110. totalAmt lnwire.MilliSatoshi = 110 finalHopParams = finalHopParams{ amt: totalAmt, totalAmt: totalAmt, metadata: metadata, + + // We set a CLTV delta here just to test that this will + // be ignored by newRoute since this is a blinded path + // where the accumulated CLTV delta for the route + // communicated in the blinded path should be assumed to + // include the CLTV delta of the final hop. + cltvDelta: MaxCLTVDelta, } ) diff --git a/zpay32/invoice.go b/zpay32/invoice.go index 2afc59d95a..8b1457ab43 100644 --- a/zpay32/invoice.go +++ b/zpay32/invoice.go @@ -156,6 +156,10 @@ type Invoice struct { // This field is un-exported and can only be read by the // MinFinalCLTVExpiry() method. By forcing callers to read via this // method, we can easily enforce the default if not specified. + // + // NOTE: this field is ignored in the case that the invoice contains + // blinded paths since then the final minimum cltv expiry delta is + // expected to be included in the route's accumulated CLTV delta value. minFinalCLTVExpiry *uint64 // Description is a short description of the purpose of this invoice. From 85ddffb17dd0e253f3422de95b622e6e88bda528 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 14 May 2024 15:39:09 +0200 Subject: [PATCH 083/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 3017b1ffd2..9245903954 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -89,6 +89,9 @@ channel. We will still wait for the channel to have at least one confirmation and so the main change here is that we don't error out for such a case. +* [Groundwork](https://github.com/lightningnetwork/lnd/pull/8752) in preparation + for implementing route blinding receives. + ## Testing ## Database From 94acbe90a8b72438faac09f1acc83e61c4fc6945 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 12 Apr 2024 17:50:41 -0600 Subject: [PATCH 084/343] fn: add fundamental functional primitives --- fn/fn.go | 30 +++++++++++++++++++++++++++++ fn/t2.go | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 87 insertions(+) create mode 100644 fn/fn.go create mode 100644 fn/t2.go diff --git a/fn/fn.go b/fn/fn.go new file mode 100644 index 0000000000..cb8151a23e --- /dev/null +++ b/fn/fn.go @@ -0,0 +1,30 @@ +package fn + +// Unit is a type alias for the empty struct to make it a bit less noisy to +// communicate the informationaless type. +type Unit = struct{} + +// Comp is left to right function composition. Comp(f, g)(x) == g(f(x)). This +// can make it easier to create on the fly closures that we may use as +// arguments to other functions defined in this package (or otherwise). +func Comp[A, B, C any](f func(A) B, g func(B) C) func(A) C { + return func(a A) C { + return g(f(a)) + } +} + +// Iden is the left and right identity of Comp. It is a function that simply +// returns its argument. The utility of this function is only apparent in +// conjunction with other functions in this package. +func Iden[A any](a A) A { + return a +} + +// Const is a function that accepts an argument and returns a function that +// always returns that value irrespective of the returned function's argument. +// This is also quite useful in conjunction with higher order functions. +func Const[A, B any](a A) func(B) A { + return func(_ B) A { + return a + } +} diff --git a/fn/t2.go b/fn/t2.go new file mode 100644 index 0000000000..6cce3b49a5 --- /dev/null +++ b/fn/t2.go @@ -0,0 +1,57 @@ +package fn + +// T2 is the simplest 2-tuple type. It is useful for capturing ad hoc +// type conjunctions in a single value that can be easily dot-chained. +type T2[A, B any] struct { + first A + second B +} + +// NewT2 is the canonical constructor for a T2. We include it because the fields +// themselves are unexported. +func NewT2[A, B any](a A, b B) T2[A, B] { + return T2[A, B]{ + first: a, + second: b, + } +} + +// First returns the first value in the T2. +func (t2 T2[A, B]) First() A { + return t2.first +} + +// Second returns the second value in the T2. +func (t2 T2[A, B]) Second() B { + return t2.second +} + +// Unpack ejects the 2-tuple's members into the multiple return values that +// are customary in go idiom. +func (t2 T2[A, B]) Unpack() (A, B) { + return t2.first, t2.second +} + +// Pair takes two functions that share the same argument type and runs them +// both and produces a 2-tuple of the results. +func Pair[A, B, C any](f func(A) B, g func(A) C) func(A) T2[B, C] { + return func(a A) T2[B, C] { + return NewT2[B, C](f(a), g(a)) + } +} + +// MapFirst lifts the argument function into one that applies to the first +// element of a 2-tuple. +func MapFirst[A, B, C any](f func(A) B) func(T2[A, C]) T2[B, C] { + return func(t2 T2[A, C]) T2[B, C] { + return NewT2[B, C](f(t2.First()), t2.Second()) + } +} + +// MapSecond lifts the argument function into one that applies to the second +// element of a 2-tuple. +func MapSecond[A, B, C any](f func(A) B) func(T2[C, A]) T2[C, B] { + return func(t2 T2[C, A]) T2[C, B] { + return NewT2[C, B](t2.First(), f(t2.Second())) + } +} From 5902aa51593243d4151ae41ec693a059140fcec2 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 12 Apr 2024 17:51:00 -0600 Subject: [PATCH 085/343] fn: add concurrent map operation for slices --- fn/slice.go | 38 ++++++++++++++++++++++++++++++- fn/slice_test.go | 59 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 96 insertions(+), 1 deletion(-) diff --git a/fn/slice.go b/fn/slice.go index f42d34544c..32887bdb77 100644 --- a/fn/slice.go +++ b/fn/slice.go @@ -1,6 +1,13 @@ package fn -import "golang.org/x/exp/constraints" +import ( + "context" + "runtime" + "sync" + + "golang.org/x/exp/constraints" + "golang.org/x/sync/semaphore" +) // Number is a type constraint for all numeric types in Go (integers, // float and complex numbers) @@ -205,3 +212,32 @@ func Sum[B Number](items []B) B { func HasDuplicates[A comparable](items []A) bool { return len(NewSet(items...)) != len(items) } + +// ForEachConc maps the argument function over the slice, spawning a new +// goroutine for each element in the slice and then awaits all results before +// returning them. +func ForEachConc[A, B any](f func(A) B, + as []A) []B { + + var wait sync.WaitGroup + ctx := context.Background() + + sem := semaphore.NewWeighted(int64(runtime.NumCPU())) + + bs := make([]B, len(as)) + + for i, a := range as { + i, a := i, a + sem.Acquire(ctx, 1) + wait.Add(1) + go func() { + bs[i] = f(a) + wait.Done() + sem.Release(1) + }() + } + + wait.Wait() + + return bs +} diff --git a/fn/slice_test.go b/fn/slice_test.go index 016ef87d36..47ca1f7f8d 100644 --- a/fn/slice_test.go +++ b/fn/slice_test.go @@ -4,6 +4,8 @@ import ( "fmt" "slices" "testing" + "testing/quick" + "time" "github.com/stretchr/testify/require" ) @@ -281,3 +283,60 @@ func TestHasDuplicates(t *testing.T) { }) } } + +// TestPropForEachConcMapIsomorphism ensures the property that ForEachConc and +// Map always yield the same results. +func TestPropForEachConcMapIsomorphism(t *testing.T) { + f := func(incSize int, s []int) bool { + inc := func(i int) int { return i + incSize } + mapped := Map(inc, s) + conc := ForEachConc(inc, s) + + return slices.Equal(mapped, conc) + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} + +// TestPropForEachConcOutperformsMapWhenExpensive ensures the property that +// ForEachConc will beat Map in a race in circumstances where the computation in +// the argument closure is expensive. +func TestPropForEachConcOutperformsMapWhenExpensive(t *testing.T) { + f := func(incSize int, s []int) bool { + if len(s) < 2 { + // Intuitively we don't expect the extra overhead of + // ForEachConc to justify itself for list sizes of 1 or + // 0. + return true + } + + inc := func(i int) int { + time.Sleep(time.Millisecond) + return i + incSize + } + c := make(chan bool, 1) + + go func() { + Map(inc, s) + select { + case c <- false: + default: + } + }() + + go func() { + ForEachConc(inc, s) + select { + case c <- true: + default: + } + }() + + return <-c + } + + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} From c3603ccf96aac448d7d323e7487444b309b31136 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Mon, 15 Apr 2024 15:34:05 -0600 Subject: [PATCH 086/343] fn: add FindIdx function --- fn/slice.go | 16 ++++++++++++++-- fn/slice_test.go | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 2 deletions(-) diff --git a/fn/slice.go b/fn/slice.go index 32887bdb77..8f55cc1598 100644 --- a/fn/slice.go +++ b/fn/slice.go @@ -53,7 +53,7 @@ func Map[A, B any](f func(A) B, s []A) []B { // Filter creates a new slice of values where all the members of the returned // slice pass the predicate that is supplied in the argument. -func Filter[A any](pred func(A) bool, s []A) []A { +func Filter[A any](pred Pred[A], s []A) []A { res := make([]A, 0) for _, val := range s { @@ -92,7 +92,7 @@ func Foldr[A, B any](f func(A, B) B, seed B, s []A) B { // Find returns the first value that passes the supplied predicate, or None if // the value wasn't found. -func Find[A any](pred func(A) bool, s []A) Option[A] { +func Find[A any](pred Pred[A], s []A) Option[A] { for _, val := range s { if pred(val) { return Some(val) @@ -102,6 +102,18 @@ func Find[A any](pred func(A) bool, s []A) Option[A] { return None[A]() } +// FindIdx returns the first value that passes the supplied predicate along with +// its index in the slice. If no satisfactory value is found, None is returned. +func FindIdx[A any](pred Pred[A], s []A) Option[T2[int, A]] { + for i, val := range s { + if pred(val) { + return Some(NewT2[int, A](i, val)) + } + } + + return None[T2[int, A]]() +} + // Flatten takes a slice of slices and returns a concatenation of those slices. func Flatten[A any](s [][]A) []A { sz := Foldr( diff --git a/fn/slice_test.go b/fn/slice_test.go index 47ca1f7f8d..b91f35e48b 100644 --- a/fn/slice_test.go +++ b/fn/slice_test.go @@ -340,3 +340,37 @@ func TestPropForEachConcOutperformsMapWhenExpensive(t *testing.T) { t.Fatal(err) } } + +func TestPropFindIdxFindIdentity(t *testing.T) { + f := func(div, mod uint8, s []uint8) bool { + if div == 0 || div == 1 { + return true + } + + pred := func(i uint8) bool { + return i%div == mod + } + + foundIdx := FindIdx(pred, s) + + // onlyVal :: Option[T2[A, B]] -> Option[B] + onlyVal := MapOption(func(t2 T2[int, uint8]) uint8 { + return t2.Second() + }) + + valuesEqual := Find(pred, s) == onlyVal(foundIdx) + + idxGetsVal := ElimOption( + foundIdx, + func() bool { return true }, + func(t2 T2[int, uint8]) bool { + return s[t2.First()] == t2.Second() + }) + + return valuesEqual && idxGetsVal + } + + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} From 1dd56f1b2a59a37a59b913b4c5832be171f9d20a Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 17 Apr 2024 13:00:42 -0600 Subject: [PATCH 087/343] fn: fix and finish the either API --- fn/either.go | 75 +++++++++++++++++++++++++++++++++++++++++++++++++--- fn/option.go | 32 ++++++++++++++++++++++ 2 files changed, 103 insertions(+), 4 deletions(-) diff --git a/fn/either.go b/fn/either.go index aedc9fe5bf..cb4555f17c 100644 --- a/fn/either.go +++ b/fn/either.go @@ -16,6 +16,17 @@ func NewRight[L any, R any](r R) Either[L, R] { return Either[L, R]{left: None[L](), right: Some(r)} } +// ElimEither is the universal Either eliminator. It can be used to safely +// handle all possible values inside the Either by supplying two continuations, +// one for each side of the Either. +func ElimEither[L, R, O any](f func(L) O, g func(R) O, e Either[L, R]) O { + if e.left.IsSome() { + return f(e.left.some) + } + + return g(e.right.some) +} + // WhenLeft executes the given function if the Either is left. func (e Either[L, R]) WhenLeft(f func(L)) { e.left.WhenSome(f) @@ -36,13 +47,69 @@ func (e Either[L, R]) IsRight() bool { return e.right.IsSome() } +// LeftToOption converts a Left value to an Option, returning None if the inner +// Either value is a Right value. +func (e Either[L, R]) LeftToOption() Option[L] { + return e.left +} + +// RightToOption converts a Right value to an Option, returning None if the +// inner Either value is a Left value. +func (e Either[L, R]) RightToOption() Option[R] { + return e.right +} + +// UnwrapLeftOr will extract the Left value from the Either if it is present +// returning the supplied default if it is not. +func (e Either[L, R]) UnwrapLeftOr(l L) L { + return e.left.UnwrapOr(l) +} + +// UnwrapRightOr will extract the Right value from the Either if it is present +// returning the supplied default if it is not. +func (e Either[L, R]) UnwrapRightOr(r R) R { + return e.right.UnwrapOr(r) +} + +// Swap reverses the type argument order. This can be useful as an adapter +// between APIs. +func (e Either[L, R]) Swap() Either[R, L] { + return Either[R, L]{ + left: e.right, + right: e.left, + } +} + // MapLeft maps the left value of the Either to a new value. -func MapLeft[L any, R any, O any](f func(L) O) func(Either[L, R]) Option[O] { - return func(e Either[L, R]) Option[O] { +func MapLeft[L, R, O any](f func(L) O) func(Either[L, R]) Either[O, R] { + return func(e Either[L, R]) Either[O, R] { if e.IsLeft() { - return MapOption(f)(e.left) + return Either[O, R]{ + left: MapOption(f)(e.left), + right: None[R](), + } } - return None[O]() + return Either[O, R]{ + left: None[O](), + right: e.right, + } + } +} + +// MapRight maps the right value of the Either to a new value. +func MapRight[L, R, O any](f func(R) O) func(Either[L, R]) Either[L, O] { + return func(e Either[L, R]) Either[L, O] { + if e.IsRight() { + return Either[L, O]{ + left: None[L](), + right: MapOption(f)(e.right), + } + } + + return Either[L, O]{ + left: e.left, + right: None[O](), + } } } diff --git a/fn/option.go b/fn/option.go index d500359beb..fbd5f24892 100644 --- a/fn/option.go +++ b/fn/option.go @@ -213,3 +213,35 @@ func (o Option[A]) UnsafeFromSome() A { } panic("Option was None()") } + +// OptionToLeft can be used to convert an Option value into an Either, by +// providing the Right value that should be used if the Option value is None. +func OptionToLeft[O, L, R any](o Option[O], r R) Either[O, R] { + if o.IsSome() { + return Either[O, R]{ + left: o, + right: None[R](), + } + } + + return Either[O, R]{ + left: None[O](), + right: Some(r), + } +} + +// OptionToRight can be used to convert an Option value into an Either, by +// providing the Left value that should be used if the Option value is None. +func OptionToRight[O, L, R any](o Option[O], l L) Either[L, O] { + if o.IsSome() { + return Either[L, O]{ + left: None[L](), + right: o, + } + } + + return Either[L, O]{ + left: Some(l), + right: None[O](), + } +} From c4df2f1dce6ee4a7f4a33d66bcf451b9d3e51a95 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Mon, 22 Apr 2024 13:52:19 -0700 Subject: [PATCH 088/343] fn: reimplement internals of either, add tests --- fn/either.go | 76 ++++++++++++++++--------- fn/either_test.go | 139 ++++++++++++++++++++++++++++++++++++++++++++++ fn/option.go | 20 ++----- fn/result.go | 60 ++++++++++++-------- 4 files changed, 228 insertions(+), 67 deletions(-) create mode 100644 fn/either_test.go diff --git a/fn/either.go b/fn/either.go index cb4555f17c..f85104385e 100644 --- a/fn/either.go +++ b/fn/either.go @@ -2,97 +2,119 @@ package fn // Either is a type that can be either left or right. type Either[L any, R any] struct { - left Option[L] - right Option[R] + isRight bool + left L + right R } // NewLeft returns an Either with a left value. func NewLeft[L any, R any](l L) Either[L, R] { - return Either[L, R]{left: Some(l), right: None[R]()} + return Either[L, R]{left: l} } // NewRight returns an Either with a right value. func NewRight[L any, R any](r R) Either[L, R] { - return Either[L, R]{left: None[L](), right: Some(r)} + return Either[L, R]{isRight: true, right: r} } // ElimEither is the universal Either eliminator. It can be used to safely // handle all possible values inside the Either by supplying two continuations, // one for each side of the Either. func ElimEither[L, R, O any](f func(L) O, g func(R) O, e Either[L, R]) O { - if e.left.IsSome() { - return f(e.left.some) + if !e.isRight { + return f(e.left) } - return g(e.right.some) + return g(e.right) } // WhenLeft executes the given function if the Either is left. func (e Either[L, R]) WhenLeft(f func(L)) { - e.left.WhenSome(f) + if !e.isRight { + f(e.left) + } } // WhenRight executes the given function if the Either is right. func (e Either[L, R]) WhenRight(f func(R)) { - e.right.WhenSome(f) + if e.isRight { + f(e.right) + } } // IsLeft returns true if the Either is left. func (e Either[L, R]) IsLeft() bool { - return e.left.IsSome() + return !e.isRight } // IsRight returns true if the Either is right. func (e Either[L, R]) IsRight() bool { - return e.right.IsSome() + return e.isRight } // LeftToOption converts a Left value to an Option, returning None if the inner // Either value is a Right value. func (e Either[L, R]) LeftToOption() Option[L] { - return e.left + if e.isRight { + return None[L]() + } + + return Some(e.left) } // RightToOption converts a Right value to an Option, returning None if the // inner Either value is a Left value. func (e Either[L, R]) RightToOption() Option[R] { - return e.right + if !e.isRight { + return None[R]() + } + + return Some(e.right) } // UnwrapLeftOr will extract the Left value from the Either if it is present // returning the supplied default if it is not. func (e Either[L, R]) UnwrapLeftOr(l L) L { - return e.left.UnwrapOr(l) + if e.isRight { + return l + } + + return e.left } // UnwrapRightOr will extract the Right value from the Either if it is present // returning the supplied default if it is not. func (e Either[L, R]) UnwrapRightOr(r R) R { - return e.right.UnwrapOr(r) + if !e.isRight { + return r + } + + return e.right } // Swap reverses the type argument order. This can be useful as an adapter // between APIs. func (e Either[L, R]) Swap() Either[R, L] { return Either[R, L]{ - left: e.right, - right: e.left, + isRight: !e.isRight, + left: e.right, + right: e.left, } } // MapLeft maps the left value of the Either to a new value. func MapLeft[L, R, O any](f func(L) O) func(Either[L, R]) Either[O, R] { return func(e Either[L, R]) Either[O, R] { - if e.IsLeft() { + if !e.isRight { return Either[O, R]{ - left: MapOption(f)(e.left), - right: None[R](), + isRight: false, + left: f(e.left), } } return Either[O, R]{ - left: None[O](), - right: e.right, + isRight: true, + right: e.right, } } } @@ -100,16 +122,16 @@ func MapLeft[L, R, O any](f func(L) O) func(Either[L, R]) Either[O, R] { // MapRight maps the right value of the Either to a new value. func MapRight[L, R, O any](f func(R) O) func(Either[L, R]) Either[L, O] { return func(e Either[L, R]) Either[L, O] { - if e.IsRight() { + if e.isRight { return Either[L, O]{ - left: None[L](), - right: MapOption(f)(e.right), + isRight: true, + right: f(e.right), } } return Either[L, O]{ - left: e.left, - right: None[O](), + isRight: false, + left: e.left, } } } diff --git a/fn/either_test.go b/fn/either_test.go new file mode 100644 index 0000000000..dca15f8d9f --- /dev/null +++ b/fn/either_test.go @@ -0,0 +1,139 @@ +package fn + +import ( + "testing" + "testing/quick" +) + +func TestPropConstructorEliminatorDuality(t *testing.T) { + f := func(i int, s string, isRight bool) bool { + Len := func(s string) int { return len(s) } // smh + if isRight { + v := ElimEither( + Iden[int], + Len, + NewRight[int, string](s), + ) + return v == Len(s) + } + + v := ElimEither( + Iden[int], + Len, + NewLeft[int, string](i), + ) + return v == i + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} + +func TestPropWhenClauseExclusivity(t *testing.T) { + f := func(i int, isRight bool) bool { + var e Either[int, int] + if isRight { + e = NewRight[int, int](i) + } else { + e = NewLeft[int, int](i) + } + z := 0 + e.WhenLeft(func(x int) { z += x }) + e.WhenRight(func(x int) { z += x }) + + return z != 2*i && e.IsLeft() != e.IsRight() + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} + +func TestPropSwapEitherSelfInverting(t *testing.T) { + f := func(i int, s string, isRight bool) bool { + var e Either[int, string] + if isRight { + e = NewRight[int, string](s) + } else { + e = NewLeft[int, string](i) + } + return e.Swap().Swap() == e + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} + +func TestPropMapLeftIdentity(t *testing.T) { + f := func(i int, s string, isRight bool) bool { + var e Either[int, string] + if isRight { + e = NewRight[int, string](s) + } else { + e = NewLeft[int, string](i) + } + return MapLeft[int, string, int](Iden[int])(e) == e + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} + +func TestPropMapRightIdentity(t *testing.T) { + f := func(i int, s string, isRight bool) bool { + var e Either[int, string] + if isRight { + e = NewRight[int, string](s) + } else { + e = NewLeft[int, string](i) + } + return MapRight[int, string, string](Iden[string])(e) == e + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} + +func TestPropToOptionIdentities(t *testing.T) { + f := func(i int, s string, isRight bool) bool { + var e Either[int, string] + if isRight { + e = NewRight[int, string](s) + + r2O := e.RightToOption() == Some(s) + o2R := e == OptionToRight[string, int, string]( + Some(s), i, + ) + l2O := e.LeftToOption() == None[int]() + + return r2O && o2R && l2O + } else { + e = NewLeft[int, string](i) + l2O := e.LeftToOption() == Some(i) + o2L := e == OptionToLeft[int, int](Some(i), s) + r2O := e.RightToOption() == None[string]() + + return l2O && o2L && r2O + } + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} + +func TestPropUnwrapIdentities(t *testing.T) { + f := func(i int, s string, isRight bool) bool { + var e Either[int, string] + if isRight { + e = NewRight[int, string](s) + return e.UnwrapRightOr("") == s && + e.UnwrapLeftOr(0) == 0 + } else { + e = NewLeft[int, string](i) + return e.UnwrapLeftOr(0) == i && + e.UnwrapRightOr("") == "" + } + } + if err := quick.Check(f, nil); err != nil { + t.Fatal(err) + } +} diff --git a/fn/option.go b/fn/option.go index fbd5f24892..797f3a0ff0 100644 --- a/fn/option.go +++ b/fn/option.go @@ -218,30 +218,18 @@ func (o Option[A]) UnsafeFromSome() A { // providing the Right value that should be used if the Option value is None. func OptionToLeft[O, L, R any](o Option[O], r R) Either[O, R] { if o.IsSome() { - return Either[O, R]{ - left: o, - right: None[R](), - } + return NewLeft[O, R](o.some) } - return Either[O, R]{ - left: None[O](), - right: Some(r), - } + return NewRight[O, R](r) } // OptionToRight can be used to convert an Option value into an Either, by // providing the Left value that should be used if the Option value is None. func OptionToRight[O, L, R any](o Option[O], l L) Either[L, O] { if o.IsSome() { - return Either[L, O]{ - left: None[L](), - right: o, - } + return NewRight[L, O](o.some) } - return Either[L, O]{ - left: Some(l), - right: None[O](), - } + return NewLeft[L, O](l) } diff --git a/fn/result.go b/fn/result.go index cb459bdc85..93d2dd7d66 100644 --- a/fn/result.go +++ b/fn/result.go @@ -39,12 +39,17 @@ func Errf[T any](errString string, args ...any) Result[T] { // Unpack extracts the value or error from the Result. func (r Result[T]) Unpack() (T, error) { var zero T - return r.left.UnwrapOr(zero), r.right.UnwrapOr(nil) + + if r.IsErr() { + return zero, r.right + } + + return r.left, nil } // Err exposes the underlying error of the result type as a normal error type. func (r Result[T]) Err() error { - return r.right.some + return r.right } // IsOk returns true if the Result is a success value. @@ -59,66 +64,73 @@ func (r Result[T]) IsErr() bool { // Map applies a function to the success value if it exists. func (r Result[T]) Map(f func(T) T) Result[T] { - if r.IsOk() { - return Ok(f(r.left.some)) + return Result[T]{ + MapLeft[T, error](f)(r.Either), } - - return r } // MapErr applies a function to the error value if it exists. func (r Result[T]) MapErr(f func(error) error) Result[T] { - if r.IsErr() { - return Err[T](f(r.right.some)) + return Result[T]{ + MapRight[T](f)(r.Either), } - - return r } // Option returns the success value as an Option. func (r Result[T]) Option() Option[T] { - return r.left + return r.Either.LeftToOption() } // WhenResult executes the given function if the Result is a success. func (r Result[T]) WhenResult(f func(T)) { - r.left.WhenSome(func(t T) { - f(t) - }) + r.WhenLeft(f) } // WhenErr executes the given function if the Result is an error. func (r Result[T]) WhenErr(f func(error)) { - r.right.WhenSome(func(e error) { - f(e) - }) + r.WhenRight(f) } // UnwrapOr returns the success value or a default value if it's an error. func (r Result[T]) UnwrapOr(defaultValue T) T { - return r.left.UnwrapOr(defaultValue) + if r.IsErr() { + return defaultValue + } + + return r.left } // UnwrapOrElse returns the success value or computes a value from a function // if it's an error. func (r Result[T]) UnwrapOrElse(f func() T) T { - return r.left.UnwrapOrFunc(f) + if r.IsErr() { + return f() + } + + return r.left } // UnwrapOrFail returns the success value or fails the test if it's an error. func (r Result[T]) UnwrapOrFail(t *testing.T) T { t.Helper() - return r.left.UnwrapOrFail(t) + if r.IsErr() { + t.Fatalf("Result[%T] contained error: %v", r.left, r.right) + } + + var zero T + + return zero } // FlatMap applies a function that returns a Result to the success value if it // exists. func (r Result[T]) FlatMap(f func(T) Result[T]) Result[T] { if r.IsOk() { - return f(r.left.some) + return r } - return r + + return f(r.left) } // AndThen is an alias for FlatMap. This along with OrElse can be used to @@ -143,10 +155,10 @@ func (r Result[T]) OrElse(f func() Result[T]) Result[T] { // it exists. func FlatMap[A, B any](r Result[A], f func(A) Result[B]) Result[B] { if r.IsOk() { - return f(r.left.some) + return f(r.left) } - return Err[B](r.right.some) + return Err[B](r.right) } // AndThen is an alias for FlatMap. This along with OrElse can be used to From 9c30bce10c8a90700c7c2560cc9cfc917add5ffd Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 26 Apr 2024 18:52:22 -0700 Subject: [PATCH 089/343] fn: add curried (in)equality functions --- fn/fn.go | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/fn/fn.go b/fn/fn.go index cb8151a23e..147bf7daf4 100644 --- a/fn/fn.go +++ b/fn/fn.go @@ -28,3 +28,19 @@ func Const[A, B any](a A) func(B) A { return a } } + +// Eq is a curried function that returns true if its eventual two arguments are +// equal. +func Eq[A comparable](x A) func(A) bool { + return func(y A) bool { + return x == y + } +} + +// Neq is a curried function that returns true if its eventual two arguments are +// not equal. +func Neq[A comparable](x A) func(A) bool { + return func(y A) bool { + return x != y + } +} From fb1437cb6da60c99a37e745bf50b8b819bec7a88 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 26 Apr 2024 18:52:40 -0700 Subject: [PATCH 090/343] fn: add Elem function for set membership --- fn/slice.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fn/slice.go b/fn/slice.go index 8f55cc1598..22f3fa6f53 100644 --- a/fn/slice.go +++ b/fn/slice.go @@ -114,6 +114,11 @@ func FindIdx[A any](pred Pred[A], s []A) Option[T2[int, A]] { return None[T2[int, A]]() } +// Elem returns true if the element in the argument is found in the slice +func Elem[A comparable](a A, s []A) bool { + return Any(Eq(a), s) +} + // Flatten takes a slice of slices and returns a concatenation of those slices. func Flatten[A any](s [][]A) []A { sz := Foldr( From 364d79e552fced143f2a565af7704826236642d2 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Mon, 29 Apr 2024 17:41:45 -0700 Subject: [PATCH 091/343] fn: add generic version of List --- fn/list.go | 302 ++++++++++++++++++++ fn/list_test.go | 729 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1031 insertions(+) create mode 100644 fn/list.go create mode 100644 fn/list_test.go diff --git a/fn/list.go b/fn/list.go new file mode 100644 index 0000000000..d76df4f29d --- /dev/null +++ b/fn/list.go @@ -0,0 +1,302 @@ +// Copyright (c) 2009 The Go Authors. All rights reserved. +// Copyright (c) 2024 Lightning Labs and the Lightning Network Developers + +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: + +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. + +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +package fn + +type Node[A any] struct { + // prev is a pointer to the previous node in the List. + prev *Node[A] + + // next is a pointer to the next node in the List. + next *Node[A] + + // list is the root pointer to the List in which this node is located. + list *List[A] + + // Value is the actual data contained within the Node. + Value A +} + +// Next returns the next list node or nil. +func (e *Node[A]) Next() *Node[A] { + if e.list == nil { + return nil + } + + if e.next == &e.list.root { + return nil + } + + return e.next +} + +// Prev returns the previous list node or nil. +func (e *Node[A]) Prev() *Node[A] { + if e.list == nil { + return nil + } + + if e.prev == &e.list.root { + return nil + } + + return e.prev +} + +// List represents a doubly linked list. +// The zero value for List is an empty list ready to use. +type List[A any] struct { + // root is a sentinal Node to identify the head and tail of the list. + // root.prev is the tail, root.next is the head. For the purposes of + // elegance, the absence of a next or prev node is encoded as the + // address of the root node. + root Node[A] + + // len is the current length of the list. + len int +} + +// Init intializes or clears the List l. +func (l *List[A]) Init() *List[A] { + l.root.next = &l.root + l.root.prev = &l.root + l.len = 0 + + return l +} + +// lazyInit lazily initializes a zero List value. It is called by other public +// functions that could feasibly be called on a List that was initialized by the +// raw List[A]{} constructor. +func (l *List[A]) lazyInit() { + if l.root.next == nil { + l.Init() + } +} + +// insert inserts n after predecessor, increments l.len, and returns n. +func (l *List[A]) insert(n *Node[A], predecessor *Node[A]) *Node[A] { + // Make n point to correct neighborhood. + n.prev = predecessor + n.next = predecessor.next + + // Make neighborhood point to n. + n.prev.next = n + n.next.prev = n + + // Make n part of the list. + n.list = l + + // Increment list length. + l.len++ + + return n +} + +// insertVal is a convenience wrapper for +// insert(&Node[A]{Value: v}, predecessor). +func (l *List[A]) insertVal(a A, predecessor *Node[A]) *Node[A] { + return l.insert(&Node[A]{Value: a}, predecessor) +} + +// move removes n from its current position and inserts it as the successor to +// predecessor. +func (l *List[A]) move(n *Node[A], predecessor *Node[A]) { + if n == predecessor { + return // Can't move after itself. + } + + if predecessor.next == n { + return // Nothing to be done. + } + + // Bind previous and next to each other. + n.prev.next = n.next + n.next.prev = n.prev + + // Make n point to new neighborhood. + n.prev = predecessor + n.next = predecessor.next + + // Make new neighborhood point to n. + n.prev.next = n + n.next.prev = n +} + +// New returns an initialized List. +func NewList[A any]() *List[A] { + l := List[A]{} + return l.Init() +} + +// Len returns the number of elements of List l. +// The complexity is O(1). +func (l *List[A]) Len() int { + return l.len +} + +// Front returns the first Node of List l or nil if the list is empty. +func (l *List[A]) Front() *Node[A] { + if l.len == 0 { + return nil + } + + return l.root.next +} + +// Back returns the last Node of List l or nil if the list is empty. +func (l *List[A]) Back() *Node[A] { + if l.len == 0 { + return nil + } + + return l.root.prev +} + +// Remove removes Node n from List l if n is an element of List l. +// It returns the Node value e.Value. +// The Node must not be nil. +func (l *List[A]) Remove(n *Node[A]) A { + if n.list == l { + n.prev.next = n.next + n.next.prev = n.prev + l.len-- + + v := n.Value + // Set all node data to nil to prevent dangling references. + *n = Node[A]{Value: v} + + return v + } + + return n.Value +} + +// PushFront inserts a new Node n with value a at the front of List l and +// returns n. +func (l *List[A]) PushFront(a A) *Node[A] { + l.lazyInit() + return l.insertVal(a, &l.root) +} + +// PushBack inserts a new Node n with value a at the back of List l and returns +// n. +func (l *List[A]) PushBack(a A) *Node[A] { + l.lazyInit() + return l.insertVal(a, l.root.prev) +} + +// InsertBefore inserts a new Node n with value a immediately before successor +// and returns n. If successor is not an element of l, the list is not +// modified. The successor must not be nil. +func (l *List[A]) InsertBefore(a A, successor *Node[A]) *Node[A] { + if successor == nil { + return l.insertVal(a, &l.root) + } + + if successor.list != l { + return nil + } + + return l.insertVal(a, successor.prev) +} + +// InsertAfter inserts a new Node n with value a immediately after and returns +// e. If predecessor is not an element of l, the list is not modified. The +// predecessor must not be nil. +func (l *List[A]) InsertAfter(a A, predecessor *Node[A]) *Node[A] { + if predecessor == nil { + return l.insertVal(a, l.root.prev) + } + + if predecessor.list != l { + return nil + } + + return l.insertVal(a, predecessor) +} + +// MoveToFront moves Node n to the front of List l. +// If n is not an element of l, the list is not modified. +// The Node must not be nil. +func (l *List[A]) MoveToFront(n *Node[A]) { + if n.list == l { + l.move(n, &l.root) + } +} + +// MoveToBack moves Node n to the back of List l. +// If n is not an element of l, the list is not modified. +// The Node must not be nil. +func (l *List[A]) MoveToBack(n *Node[A]) { + if n.list == l { + l.move(n, l.root.prev) + } +} + +// MoveBefore moves Node n to its new position before successor. +// If n or successor is not an element of l, or n == successor, the list is not +// modified. The Node and successor must not be nil. +func (l *List[A]) MoveBefore(n, successor *Node[A]) { + if n.list == l && successor.list == l { + l.move(n, successor.prev) + } +} + +// MoveAfter moves Node n to its new position after predecessor. +// If n or predecessor is not an element of l, or n == predecessor, the list is +// not modified. The Node and predecessor must not be nil. +func (l *List[A]) MoveAfter(n, predecessor *Node[A]) { + if n.list == l && predecessor.list == l { + l.move(n, predecessor) + } +} + +// PushBackList inserts a copy of List other at the back of List l. +// The Lists l and other may be the same. They must not be nil. +func (l *List[A]) PushBackList(other *List[A]) { + l.lazyInit() + n := other.Front() + sz := other.Len() + for i := 0; i < sz; i++ { + l.insertVal(n.Value, l.root.prev) + n = n.Next() + } +} + +// PushFrontList inserts a copy of List other at the front of List l. +// The Lists l and other may be the same. They must not be nil. +func (l *List[A]) PushFrontList(other *List[A]) { + l.lazyInit() + n := other.Back() + sz := other.Len() + for i := 0; i < sz; i++ { + l.insertVal(n.Value, &l.root) + n = n.Prev() + } +} diff --git a/fn/list_test.go b/fn/list_test.go new file mode 100644 index 0000000000..c08122cc42 --- /dev/null +++ b/fn/list_test.go @@ -0,0 +1,729 @@ +package fn + +import ( + "math/rand" + "reflect" + "testing" + "testing/quick" +) + +func GenList(r *rand.Rand) *List[uint32] { + size := int(r.Uint32() >> 24) + l := NewList[uint32]() + for i := 0; i < size; i++ { + l.PushBack(rand.Uint32()) + } + return l +} + +func GetRandNode(l *List[uint32], r *rand.Rand) *Node[uint32] { + if l.Len() == 0 { + return nil + } + + idx := r.Uint32() % uint32(l.Len()) + n := l.Front() + for i := 0; i < int(idx); i++ { + n = n.Next() + } + + return n +} + +func TestPushLenIncrement(t *testing.T) { + err := quick.Check( + func(l *List[uint32], x uint32, front bool) bool { + sz := l.Len() + if front { + l.PushFront(x) + } else { + l.PushBack(x) + } + sz2 := l.Len() + + return sz2 == sz+1 + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + vs[0] = reflect.ValueOf(GenList(r)) + vs[1] = reflect.ValueOf(r.Uint32()) + vs[2] = reflect.ValueOf(r.Uint32()%2 == 0) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestRemoveLenDecrement(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32]) bool { + if l.Len() == 0 { + return true + } + + sz := l.Len() + l.Remove(n) + sz2 := l.Len() + + return sz2 == sz-1 + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestPushGetCongruence(t *testing.T) { + err := quick.Check( + func(l *List[uint32], x uint32, front bool) bool { + if front { + l.PushFront(x) + return l.Front().Value == x + } else { + l.PushBack(x) + return l.Back().Value == x + } + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + vs[0] = reflect.ValueOf(GenList(r)) + vs[1] = reflect.ValueOf(r.Uint32()) + vs[2] = reflect.ValueOf(r.Uint32()%2 == 0) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestInsertBeforeFrontIdentity(t *testing.T) { + err := quick.Check( + func(l *List[uint32], x uint32) bool { + if l == nil { + return true + } + + nodeX := l.InsertBefore(x, l.Front()) + + return nodeX == l.Front() + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(r.Uint32()) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestInsertAfterBackIdentity(t *testing.T) { + err := quick.Check( + func(l *List[uint32], x uint32) bool { + if l == nil { + return true + } + + nodeX := l.InsertAfter(x, l.Back()) + + return nodeX == l.Back() + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(r.Uint32()) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestInsertBeforeNextIdentity(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32], x uint32) bool { + if n == nil { + return true + } + + nodeX := l.InsertBefore(x, n) + return nodeX.Next() == n + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + vs[2] = reflect.ValueOf(r.Uint32()) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestInsertAfterPrevIdentity(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32], x uint32) bool { + if n == nil { + return true + } + + nodeX := l.InsertAfter(x, n) + return nodeX.Prev() == n + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + vs[2] = reflect.ValueOf(r.Uint32()) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestMoveToFrontFrontIdentity(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32]) bool { + if n == nil { + return true + } + + l.MoveToFront(n) + return l.Front() == n + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestMoveToBackBackIdentity(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32]) bool { + if n == nil { + return true + } + + l.MoveToBack(n) + return l.Back() == n + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestMoveBeforeFrontIsFront(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32]) bool { + if n == nil { + return true + } + + l.MoveBefore(n, l.Front()) + return l.Front() == n + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestMoveAfterBackIsBack(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32]) bool { + if n == nil { + return true + } + + l.MoveAfter(n, l.Back()) + return l.Back() == n + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestMultiMoveErasure(t *testing.T) { + err := quick.Check( + func(l *List[uint32], n *Node[uint32], m *Node[uint32]) bool { + if n == nil || m == nil || n == m { + return true + } + + l.MoveToFront(n) + l.MoveToBack(n) + l.MoveBefore(n, m) + l.MoveAfter(n, m) + return m.Next() == n + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(GetRandNode(l, r)) + vs[2] = reflect.ValueOf(GetRandNode(l, r)) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestPushListSymmetry(t *testing.T) { + copyList := func(l *List[uint32]) *List[uint32] { + c := NewList[uint32]() + for n := l.Front(); n != nil; n = n.Next() { + c.PushBack(n.Value) + } + return c + } + + err := quick.Check( + func(l1 *List[uint32], l2 *List[uint32]) bool { + if l1.Len() == 0 || l2.Len() == 0 { + return true + } + + l1Copy := copyList(l1) + l2Copy := copyList(l2) + + l1.PushBackList(l2Copy) + l2.PushFrontList(l1Copy) + + iter1 := l1.Front() + iter2 := l2.Front() + + for i := 0; i < l1Copy.Len()+l2Copy.Len()-1; i++ { + if iter1.Value != iter2.Value { + return false + } + + iter1 = iter1.Next() + iter2 = iter2.Next() + } + + return true + }, + &quick.Config{ + Values: func(vs []reflect.Value, r *rand.Rand) { + l := GenList(r) + l2 := GenList(r) + vs[0] = reflect.ValueOf(l) + vs[1] = reflect.ValueOf(l2) + }, + }, + ) + + if err != nil { + t.Fatal(err) + } +} + +func TestIssue4103(t *testing.T) { + l1 := NewList[int]() + l1.PushBack(1) + l1.PushBack(2) + + l2 := NewList[int]() + l2.PushBack(3) + l2.PushBack(4) + + e := l1.Front() + l2.Remove(e) // l2 should not change because e is not an element of l2 + if n := l2.Len(); n != 2 { + t.Errorf("l2.Len() = %d, want 2", n) + } + + l1.InsertBefore(8, e) + if n := l1.Len(); n != 3 { + t.Errorf("l1.Len() = %d, want 3", n) + } +} + +func TestIssue6349(t *testing.T) { + l := NewList[int]() + l.PushBack(1) + l.PushBack(2) + + e := l.Front() + l.Remove(e) + if e.Value != 1 { + t.Errorf("e.value = %d, want 1", e.Value) + } + if e.Next() != nil { + t.Errorf("e.Next() != nil") + } + if e.Prev() != nil { + t.Errorf("e.Prev() != nil") + } +} + +func checkListLen[V any](t *testing.T, l *List[V], length int) bool { + if n := l.Len(); n != length { + t.Errorf("l.Len() = %d, want %d", n, length) + return false + } + return true +} + +func checkListPointers[V any](t *testing.T, l *List[V], es []*Node[V]) { + root := &l.root + + if !checkListLen(t, l, len(es)) { + return + } + + // zero length lists must be the zero value or properly initialized + // (sentinel circle) + if len(es) == 0 { + if l.root.next != nil && l.root.next != root || + l.root.prev != nil && l.root.prev != root { + + t.Errorf("l.root.next = %p, l.root.prev = %p;"+ + "both should both be nil or %p", l.root.next, + l.root.prev, root) + } + return + } + // len(es) > 0 + + // check internal and external prev/next connections + for i, e := range es { + prev := root + Prev := (*Node[V])(nil) + if i > 0 { + prev = es[i-1] + Prev = prev + } + if p := e.prev; p != prev { + t.Errorf("elt[%d](%p).prev = %p, want %p", i, e, p, + prev) + } + if p := e.Prev(); p != Prev { + t.Errorf("elt[%d](%p).Prev() = %p, want %p", i, e, p, + Prev) + } + + next := root + Next := (*Node[V])(nil) + if i < len(es)-1 { + next = es[i+1] + Next = next + } + if n := e.next; n != next { + t.Errorf("elt[%d](%p).next = %p, want %p", i, e, n, + next) + } + if n := e.Next(); n != Next { + t.Errorf("elt[%d](%p).Next() = %p, want %p", i, e, n, + Next) + } + } +} + +func TestList(t *testing.T) { + l := NewList[int]() + checkListPointers(t, l, []*Node[int]{}) + + // Single element list + e := l.PushFront(5) + checkListPointers(t, l, []*Node[int]{e}) + l.MoveToFront(e) + checkListPointers(t, l, []*Node[int]{e}) + l.MoveToBack(e) + checkListPointers(t, l, []*Node[int]{e}) + l.Remove(e) + checkListPointers(t, l, []*Node[int]{}) + + // Bigger list + e2 := l.PushFront(2) + e1 := l.PushFront(1) + e3 := l.PushBack(3) + e4 := l.PushBack(0) + checkListPointers(t, l, []*Node[int]{e1, e2, e3, e4}) + + l.Remove(e2) + checkListPointers(t, l, []*Node[int]{e1, e3, e4}) + + l.MoveToFront(e3) // move from middle + checkListPointers(t, l, []*Node[int]{e3, e1, e4}) + + l.MoveToFront(e1) + l.MoveToBack(e3) // move from middle + checkListPointers(t, l, []*Node[int]{e1, e4, e3}) + + l.MoveToFront(e3) // move from back + checkListPointers(t, l, []*Node[int]{e3, e1, e4}) + l.MoveToFront(e3) // should be no-op + checkListPointers(t, l, []*Node[int]{e3, e1, e4}) + + l.MoveToBack(e3) // move from front + checkListPointers(t, l, []*Node[int]{e1, e4, e3}) + l.MoveToBack(e3) // should be no-op + checkListPointers(t, l, []*Node[int]{e1, e4, e3}) + + e2 = l.InsertBefore(2, e1) // insert before front + checkListPointers(t, l, []*Node[int]{e2, e1, e4, e3}) + l.Remove(e2) + e2 = l.InsertBefore(2, e4) // insert before middle + checkListPointers(t, l, []*Node[int]{e1, e2, e4, e3}) + l.Remove(e2) + e2 = l.InsertBefore(2, e3) // insert before back + checkListPointers(t, l, []*Node[int]{e1, e4, e2, e3}) + l.Remove(e2) + + e2 = l.InsertAfter(2, e1) // insert after front + checkListPointers(t, l, []*Node[int]{e1, e2, e4, e3}) + l.Remove(e2) + e2 = l.InsertAfter(2, e4) // insert after middle + checkListPointers(t, l, []*Node[int]{e1, e4, e2, e3}) + l.Remove(e2) + e2 = l.InsertAfter(2, e3) // insert after back + checkListPointers(t, l, []*Node[int]{e1, e4, e3, e2}) + l.Remove(e2) + + // Check standard iteration. + sum := 0 + for e := l.Front(); e != nil; e = e.Next() { + sum += e.Value + } + if sum != 4 { + t.Errorf("sum over l = %d, want 4", sum) + } + + // Clear all elements by iterating + var next *Node[int] + for e := l.Front(); e != nil; e = next { + next = e.Next() + l.Remove(e) + } + checkListPointers(t, l, []*Node[int]{}) +} + +func checkList[V comparable](t *testing.T, l *List[V], es []V) { + if !checkListLen(t, l, len(es)) { + return + } + + i := 0 + for e := l.Front(); e != nil; e = e.Next() { + le := e.Value + if le != es[i] { + t.Errorf("elt[%d].Value = %v, want %v", i, le, es[i]) + } + i++ + } +} + +func TestExtending(t *testing.T) { + l1 := NewList[int]() + l2 := NewList[int]() + + l1.PushBack(1) + l1.PushBack(2) + l1.PushBack(3) + + l2.PushBack(4) + l2.PushBack(5) + + l3 := NewList[int]() + l3.PushBackList(l1) + checkList(t, l3, []int{1, 2, 3}) + l3.PushBackList(l2) + checkList(t, l3, []int{1, 2, 3, 4, 5}) + + l3 = NewList[int]() + l3.PushFrontList(l2) + checkList(t, l3, []int{4, 5}) + l3.PushFrontList(l1) + checkList(t, l3, []int{1, 2, 3, 4, 5}) + + checkList(t, l1, []int{1, 2, 3}) + checkList(t, l2, []int{4, 5}) + + l3 = NewList[int]() + l3.PushBackList(l1) + checkList(t, l3, []int{1, 2, 3}) + l3.PushBackList(l3) + checkList(t, l3, []int{1, 2, 3, 1, 2, 3}) + + l3 = NewList[int]() + l3.PushFrontList(l1) + checkList(t, l3, []int{1, 2, 3}) + l3.PushFrontList(l3) + checkList(t, l3, []int{1, 2, 3, 1, 2, 3}) + + l3 = NewList[int]() + l1.PushBackList(l3) + checkList(t, l1, []int{1, 2, 3}) + l1.PushFrontList(l3) + checkList(t, l1, []int{1, 2, 3}) +} + +func TestRemove(t *testing.T) { + l := NewList[int]() + e1 := l.PushBack(1) + e2 := l.PushBack(2) + checkListPointers(t, l, []*Node[int]{e1, e2}) + e := l.Front() + l.Remove(e) + checkListPointers(t, l, []*Node[int]{e2}) + l.Remove(e) + checkListPointers(t, l, []*Node[int]{e2}) +} + +func TestMove(t *testing.T) { + l := NewList[int]() + e1 := l.PushBack(1) + e2 := l.PushBack(2) + e3 := l.PushBack(3) + e4 := l.PushBack(4) + + l.MoveAfter(e3, e3) + checkListPointers(t, l, []*Node[int]{e1, e2, e3, e4}) + l.MoveBefore(e2, e2) + checkListPointers(t, l, []*Node[int]{e1, e2, e3, e4}) + + l.MoveAfter(e3, e2) + checkListPointers(t, l, []*Node[int]{e1, e2, e3, e4}) + l.MoveBefore(e2, e3) + checkListPointers(t, l, []*Node[int]{e1, e2, e3, e4}) + + l.MoveBefore(e2, e4) + checkListPointers(t, l, []*Node[int]{e1, e3, e2, e4}) + e2, e3 = e3, e2 + + l.MoveBefore(e4, e1) + checkListPointers(t, l, []*Node[int]{e4, e1, e2, e3}) + e1, e2, e3, e4 = e4, e1, e2, e3 + + l.MoveAfter(e4, e1) + checkListPointers(t, l, []*Node[int]{e1, e4, e2, e3}) + e2, e3, e4 = e4, e2, e3 + + l.MoveAfter(e2, e3) + checkListPointers(t, l, []*Node[int]{e1, e3, e2, e4}) +} + +// Test PushFront, PushBack, PushFrontList, PushBackList with uninitialized List +func TestZeroList(t *testing.T) { + var l1 = new(List[int]) + l1.PushFront(1) + checkList(t, l1, []int{1}) + + var l2 = new(List[int]) + l2.PushBack(1) + checkList(t, l2, []int{1}) + + var l3 = new(List[int]) + l3.PushFrontList(l1) + checkList(t, l3, []int{1}) + + var l4 = new(List[int]) + l4.PushBackList(l2) + checkList(t, l4, []int{1}) +} + +// Test that a list l is not modified when calling InsertBefore with a mark +// that is not an element of l. +func TestInsertBeforeUnknownMark(t *testing.T) { + var l List[int] + l.PushBack(1) + l.PushBack(2) + l.PushBack(3) + l.InsertBefore(1, new(Node[int])) + checkList(t, &l, []int{1, 2, 3}) +} + +// Test that a list l is not modified when calling InsertAfter with a mark that +// is not an element of l. +func TestInsertAfterUnknownMark(t *testing.T) { + var l List[int] + l.PushBack(1) + l.PushBack(2) + l.PushBack(3) + l.InsertAfter(1, new(Node[int])) + checkList(t, &l, []int{1, 2, 3}) +} + +// Test that a list l is not modified when calling MoveAfter or MoveBefore with +// a mark that is not an element of l. +func TestMoveUnknownMark(t *testing.T) { + var l1 List[int] + e1 := l1.PushBack(1) + + var l2 List[int] + e2 := l2.PushBack(2) + + l1.MoveAfter(e1, e2) + checkList(t, &l1, []int{1}) + checkList(t, &l2, []int{2}) + + l1.MoveBefore(e1, e2) + checkList(t, &l1, []int{1}) + checkList(t, &l2, []int{2}) +} From fa2e25d5f437071dfed312a5a9b5e6c8e9a3d416 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 10 Jul 2024 16:57:59 -0700 Subject: [PATCH 092/343] fn: remove lru dependency --- fn/conc_queue.go | 8 +++----- fn/go.mod | 2 +- fn/go.sum | 4 ++-- 3 files changed, 6 insertions(+), 8 deletions(-) diff --git a/fn/conc_queue.go b/fn/conc_queue.go index 0d0dde2071..0c52c4491b 100644 --- a/fn/conc_queue.go +++ b/fn/conc_queue.go @@ -2,8 +2,6 @@ package fn import ( "sync" - - "github.com/lightninglabs/neutrino/cache/lru" ) // ConcurrentQueue is a typed concurrent-safe FIFO queue with unbounded @@ -17,7 +15,7 @@ type ConcurrentQueue[T any] struct { chanIn chan T chanOut chan T - overflow *lru.List[T] + overflow *List[T] wg sync.WaitGroup quit chan struct{} @@ -25,13 +23,13 @@ type ConcurrentQueue[T any] struct { // NewConcurrentQueue constructs a ConcurrentQueue. The bufferSize parameter is // the capacity of the output channel. When the size of the queue is below this -// threshold, pushes do n[?12;4$yot incur the overhead of the less efficient overflow +// threshold, pushes do not incur the overhead of the less efficient overflow // structure. func NewConcurrentQueue[T any](bufferSize int) *ConcurrentQueue[T] { return &ConcurrentQueue[T]{ chanIn: make(chan T), chanOut: make(chan T, bufferSize), - overflow: lru.NewList[T](), + overflow: NewList[T](), quit: make(chan struct{}), } } diff --git a/fn/go.mod b/fn/go.mod index e14cb555aa..1780b99683 100644 --- a/fn/go.mod +++ b/fn/go.mod @@ -3,9 +3,9 @@ module github.com/lightningnetwork/lnd/fn go 1.19 require ( - github.com/lightninglabs/neutrino/cache v1.1.2 github.com/stretchr/testify v1.8.1 golang.org/x/exp v0.0.0-20231226003508-02704c960a9b + golang.org/x/sync v0.7.0 ) require ( diff --git a/fn/go.sum b/fn/go.sum index 73345fe5e5..86f138bc53 100644 --- a/fn/go.sum +++ b/fn/go.sum @@ -1,8 +1,6 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/lightninglabs/neutrino/cache v1.1.2 h1:C9DY/DAPaPxbFC+xNNEI/z1SJY9GS3shmlu5hIQ798g= -github.com/lightninglabs/neutrino/cache v1.1.2/go.mod h1:XJNcgdOw1LQnanGjw8Vj44CvguYA25IMKjWFZczwZuo= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= @@ -14,6 +12,8 @@ github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKs github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= golang.org/x/exp v0.0.0-20231226003508-02704c960a9b h1:kLiC65FbiHWFAOu+lxwNPujcsl8VYyTYYEZnsOO1WK4= golang.org/x/exp v0.0.0-20231226003508-02704c960a9b/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI= +golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M= +golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= From eaa5e4a039488cb6fd230579a6426bbb5782cb70 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 10 Jul 2024 16:59:43 -0700 Subject: [PATCH 093/343] fn: remove redundant Reduce function This commit removes Reduce since we already have both Foldl and Foldr. --- fn/func.go | 17 ----------------- 1 file changed, 17 deletions(-) delete mode 100644 fn/func.go diff --git a/fn/func.go b/fn/func.go deleted file mode 100644 index 056f84aefe..0000000000 --- a/fn/func.go +++ /dev/null @@ -1,17 +0,0 @@ -package fn - -// Reducer represents a function that takes an accumulator and the value, then -// returns a new accumulator. -type Reducer[T, V any] func(accum T, value V) T - -// Reduce takes a slice of something, and a reducer, and produces a final -// accumulated value. -func Reduce[T any, V any, S []V](s S, f Reducer[T, V]) T { - var accum T - - for _, x := range s { - accum = f(accum, x) - } - - return accum -} From 5c18b5a042ef823ab279885e2fbaceaab7885d5e Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 14 Jun 2024 18:34:09 -0400 Subject: [PATCH 094/343] routing: remove un-used method from routingGraph interface We really want to narrow down the interface we provide the router, so let's start here. --- routing/graph.go | 7 ------- 1 file changed, 7 deletions(-) diff --git a/routing/graph.go b/routing/graph.go index 3e466a3df6..dafadb8923 100644 --- a/routing/graph.go +++ b/routing/graph.go @@ -23,11 +23,6 @@ type routingGraph interface { // fetchNodeFeatures returns the features of the given node. fetchNodeFeatures(nodePub route.Vertex) (*lnwire.FeatureVector, error) - - // FetchAmountPairCapacity determines the maximal capacity between two - // pairs of nodes. - FetchAmountPairCapacity(nodeFrom, nodeTo route.Vertex, - amount lnwire.MilliSatoshi) (btcutil.Amount, error) } // CachedGraph is a routingGraph implementation that retrieves from the @@ -97,8 +92,6 @@ func (g *CachedGraph) fetchNodeFeatures(nodePub route.Vertex) ( // FetchAmountPairCapacity determines the maximal public capacity between two // nodes depending on the amount we try to send. -// -// NOTE: Part of the routingGraph interface. func (g *CachedGraph) FetchAmountPairCapacity(nodeFrom, nodeTo route.Vertex, amount lnwire.MilliSatoshi) (btcutil.Amount, error) { From 5a903c270f3c1e5e4a049a0e407c744ea796dd39 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 14 Jun 2024 18:47:15 -0400 Subject: [PATCH 095/343] routing: remove sourceNode from routingGraph interface In this commit, we further reduce the routingGraph interface and this time we make it more node-agnostic so that it can be backed by any graph and not one with a concept of "sourceNode". --- routing/graph.go | 12 +----------- routing/integrated_routing_context_test.go | 2 +- routing/pathfind.go | 9 ++++----- routing/pathfind_test.go | 3 ++- routing/payment_session.go | 11 ++++++----- routing/payment_session_source.go | 4 ++-- routing/payment_session_test.go | 10 +++++----- routing/router.go | 5 +++-- 8 files changed, 24 insertions(+), 32 deletions(-) diff --git a/routing/graph.go b/routing/graph.go index dafadb8923..1f0abf9c06 100644 --- a/routing/graph.go +++ b/routing/graph.go @@ -18,9 +18,6 @@ type routingGraph interface { forEachNodeChannel(nodePub route.Vertex, cb func(channel *channeldb.DirectedChannel) error) error - // sourceNode returns the source node of the graph. - sourceNode() route.Vertex - // fetchNodeFeatures returns the features of the given node. fetchNodeFeatures(nodePub route.Vertex) (*lnwire.FeatureVector, error) } @@ -73,13 +70,6 @@ func (g *CachedGraph) forEachNodeChannel(nodePub route.Vertex, return g.graph.ForEachNodeDirectedChannel(g.tx, nodePub, cb) } -// sourceNode returns the source node of the graph. -// -// NOTE: Part of the routingGraph interface. -func (g *CachedGraph) sourceNode() route.Vertex { - return g.source -} - // fetchNodeFeatures returns the features of the given node. If the node is // unknown, assume no additional features are supported. // @@ -99,7 +89,7 @@ func (g *CachedGraph) FetchAmountPairCapacity(nodeFrom, nodeTo route.Vertex, // // Note: Inbound fees are not used here because this method is only used // by a deprecated router rpc. - u := newNodeEdgeUnifier(g.sourceNode(), nodeTo, false, nil) + u := newNodeEdgeUnifier(g.source, nodeTo, false, nil) err := u.addGraphPolicies(g) if err != nil { diff --git a/routing/integrated_routing_context_test.go b/routing/integrated_routing_context_test.go index 4215d3b254..95a5eaf65f 100644 --- a/routing/integrated_routing_context_test.go +++ b/routing/integrated_routing_context_test.go @@ -200,7 +200,7 @@ func (c *integratedRoutingContext) testPayment(maxParts uint32, } session, err := newPaymentSession( - &payment, getBandwidthHints, + &payment, c.graph.source.pubkey, getBandwidthHints, func() (routingGraph, func(), error) { return c.graph, func() {}, nil }, diff --git a/routing/pathfind.go b/routing/pathfind.go index 208a550858..d7d2893b0b 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -48,7 +48,7 @@ const ( // pathFinder defines the interface of a path finding algorithm. type pathFinder = func(g *graphParams, r *RestrictParams, - cfg *PathFindingConfig, source, target route.Vertex, + cfg *PathFindingConfig, self, source, target route.Vertex, amt lnwire.MilliSatoshi, timePref float64, finalHtlcExpiry int32) ( []*unifiedEdge, float64, error) @@ -521,8 +521,9 @@ func getOutgoingBalance(node route.Vertex, outgoingChans map[uint64]struct{}, // path and accurately check the amount to forward at every node against the // available bandwidth. func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, - source, target route.Vertex, amt lnwire.MilliSatoshi, timePref float64, - finalHtlcExpiry int32) ([]*unifiedEdge, float64, error) { + self, source, target route.Vertex, amt lnwire.MilliSatoshi, + timePref float64, finalHtlcExpiry int32) ([]*unifiedEdge, float64, + error) { // Pathfinding can be a significant portion of the total payment // latency, especially on low-powered devices. Log several metrics to @@ -583,8 +584,6 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, // If we are routing from ourselves, check that we have enough local // balance available. - self := g.graph.sourceNode() - if source == self { max, total, err := getOutgoingBalance( self, outgoingChanMap, g.bandwidthHints, g.graph, diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 0f2a2659b1..a35c9e2f7b 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3218,7 +3218,8 @@ func dbFindPath(graph *channeldb.ChannelGraph, bandwidthHints: bandwidthHints, graph: routingGraph, }, - r, cfg, source, target, amt, timePref, finalHtlcExpiry, + r, cfg, sourceNode.PubKeyBytes, source, target, amt, timePref, + finalHtlcExpiry, ) return route, err diff --git a/routing/payment_session.go b/routing/payment_session.go index 2d174244c8..bdd1948128 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -163,6 +163,8 @@ type PaymentSession interface { // loop if payment attempts take long enough. An additional set of edges can // also be provided to assist in reaching the payment's destination. type paymentSession struct { + selfNode route.Vertex + additionalEdges map[route.Vertex][]AdditionalEdge getBandwidthHints func(routingGraph) (bandwidthHints, error) @@ -192,7 +194,7 @@ type paymentSession struct { } // newPaymentSession instantiates a new payment session. -func newPaymentSession(p *LightningPayment, +func newPaymentSession(p *LightningPayment, selfNode route.Vertex, getBandwidthHints func(routingGraph) (bandwidthHints, error), getRoutingGraph func() (routingGraph, func(), error), missionControl MissionController, pathFindingConfig PathFindingConfig) ( @@ -206,6 +208,7 @@ func newPaymentSession(p *LightningPayment, logPrefix := fmt.Sprintf("PaymentSession(%x):", p.Identifier()) return &paymentSession{ + selfNode: selfNode, additionalEdges: edges, getBandwidthHints: getBandwidthHints, payment: p, @@ -296,8 +299,6 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, p.log.Debugf("pathfinding for amt=%v", maxAmt) - sourceVertex := routingGraph.sourceNode() - // Find a route for the current amount. path, _, err := p.pathFinder( &graphParams{ @@ -306,7 +307,7 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, graph: routingGraph, }, restrictions, &p.pathFindingConfig, - sourceVertex, p.payment.Target, + p.selfNode, p.selfNode, p.payment.Target, maxAmt, p.payment.TimePref, finalHtlcExpiry, ) @@ -384,7 +385,7 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, // this into a route by applying the time-lock and fee // requirements. route, err := newRoute( - sourceVertex, path, height, + p.selfNode, path, height, finalHopParams{ amt: maxAmt, totalAmt: p.payment.Amount, diff --git a/routing/payment_session_source.go b/routing/payment_session_source.go index b96a2294ba..ba010391bd 100644 --- a/routing/payment_session_source.go +++ b/routing/payment_session_source.go @@ -73,8 +73,8 @@ func (m *SessionSource) NewPaymentSession(p *LightningPayment) ( } session, err := newPaymentSession( - p, getBandwidthHints, m.getRoutingGraph, - m.MissionControl, m.PathFindingConfig, + p, m.SourceNode.PubKeyBytes, getBandwidthHints, + m.getRoutingGraph, m.MissionControl, m.PathFindingConfig, ) if err != nil { return nil, err diff --git a/routing/payment_session_test.go b/routing/payment_session_test.go index 75b84a51a3..b7efed5b7c 100644 --- a/routing/payment_session_test.go +++ b/routing/payment_session_test.go @@ -115,7 +115,7 @@ func TestUpdateAdditionalEdge(t *testing.T) { // Create the paymentsession. session, err := newPaymentSession( - payment, + payment, route.Vertex{}, func(routingGraph) (bandwidthHints, error) { return &mockBandwidthHints{}, nil }, @@ -195,7 +195,7 @@ func TestRequestRoute(t *testing.T) { } session, err := newPaymentSession( - payment, + payment, route.Vertex{}, func(routingGraph) (bandwidthHints, error) { return &mockBandwidthHints{}, nil }, @@ -211,9 +211,9 @@ func TestRequestRoute(t *testing.T) { // Override pathfinder with a mock. session.pathFinder = func(_ *graphParams, r *RestrictParams, - _ *PathFindingConfig, _, _ route.Vertex, _ lnwire.MilliSatoshi, - _ float64, _ int32) ([]*unifiedEdge, float64, - error) { + _ *PathFindingConfig, _, _, _ route.Vertex, + _ lnwire.MilliSatoshi, _ float64, _ int32) ([]*unifiedEdge, + float64, error) { // We expect find path to receive a cltv limit excluding the // final cltv delta (including the block padding). diff --git a/routing/router.go b/routing/router.go index 149cd34156..597705754b 100644 --- a/routing/router.go +++ b/routing/router.go @@ -2148,8 +2148,9 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, bandwidthHints: bandwidthHints, graph: r.cachedGraph, }, - req.Restrictions, &r.cfg.PathFindingConfig, req.Source, - req.Target, req.Amount, req.TimePreference, finalHtlcExpiry, + req.Restrictions, &r.cfg.PathFindingConfig, + r.selfNode.PubKeyBytes, req.Source, req.Target, req.Amount, + req.TimePreference, finalHtlcExpiry, ) if err != nil { return nil, 0, err From 3f121cbe81282c308ebdb8f86155e919de702644 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 25 Jun 2024 19:22:00 -0700 Subject: [PATCH 096/343] routing: rename and export routingGraph In preparation for structs outside of the `routing` package implementing this interface, export `routingGraph` and rename it to `Graph` so as to avoid stuttering. --- routing/bandwidth.go | 4 +-- routing/graph.go | 32 +++++++++++----------- routing/integrated_routing_context_test.go | 4 +-- routing/mock_graph_test.go | 18 ++++++------ routing/pathfind.go | 10 +++---- routing/payment_session.go | 8 +++--- routing/payment_session_source.go | 4 +-- routing/payment_session_test.go | 10 +++---- routing/router.go | 6 ++-- routing/unified_edges.go | 4 +-- 10 files changed, 50 insertions(+), 50 deletions(-) diff --git a/routing/bandwidth.go b/routing/bandwidth.go index 19c6087018..0868255685 100644 --- a/routing/bandwidth.go +++ b/routing/bandwidth.go @@ -39,7 +39,7 @@ type bandwidthManager struct { // hints for the edges we directly have open ourselves. Obtaining these hints // allows us to reduce the number of extraneous attempts as we can skip channels // that are inactive, or just don't have enough bandwidth to carry the payment. -func newBandwidthManager(graph routingGraph, sourceNode route.Vertex, +func newBandwidthManager(graph Graph, sourceNode route.Vertex, linkQuery getLinkQuery) (*bandwidthManager, error) { manager := &bandwidthManager{ @@ -49,7 +49,7 @@ func newBandwidthManager(graph routingGraph, sourceNode route.Vertex, // First, we'll collect the set of outbound edges from the target // source node and add them to our bandwidth manager's map of channels. - err := graph.forEachNodeChannel(sourceNode, + err := graph.ForEachNodeChannel(sourceNode, func(channel *channeldb.DirectedChannel) error { shortID := lnwire.NewShortChanIDFromInt( channel.ChannelID, diff --git a/routing/graph.go b/routing/graph.go index 1f0abf9c06..1f4b24bb51 100644 --- a/routing/graph.go +++ b/routing/graph.go @@ -10,19 +10,19 @@ import ( "github.com/lightningnetwork/lnd/routing/route" ) -// routingGraph is an abstract interface that provides information about nodes -// and edges to pathfinding. -type routingGraph interface { - // forEachNodeChannel calls the callback for every channel of the given +// Graph is an abstract interface that provides information about nodes and +// edges to pathfinding. +type Graph interface { + // ForEachNodeChannel calls the callback for every channel of the given // node. - forEachNodeChannel(nodePub route.Vertex, + ForEachNodeChannel(nodePub route.Vertex, cb func(channel *channeldb.DirectedChannel) error) error - // fetchNodeFeatures returns the features of the given node. - fetchNodeFeatures(nodePub route.Vertex) (*lnwire.FeatureVector, error) + // FetchNodeFeatures returns the features of the given node. + FetchNodeFeatures(nodePub route.Vertex) (*lnwire.FeatureVector, error) } -// CachedGraph is a routingGraph implementation that retrieves from the +// CachedGraph is a Graph implementation that retrieves from the // database. type CachedGraph struct { graph *channeldb.ChannelGraph @@ -30,9 +30,9 @@ type CachedGraph struct { source route.Vertex } -// A compile time assertion to make sure CachedGraph implements the routingGraph +// A compile time assertion to make sure CachedGraph implements the Graph // interface. -var _ routingGraph = (*CachedGraph)(nil) +var _ Graph = (*CachedGraph)(nil) // NewCachedGraph instantiates a new db-connected routing graph. It implicitly // instantiates a new read transaction. @@ -61,20 +61,20 @@ func (g *CachedGraph) Close() error { return g.tx.Rollback() } -// forEachNodeChannel calls the callback for every channel of the given node. +// ForEachNodeChannel calls the callback for every channel of the given node. // -// NOTE: Part of the routingGraph interface. -func (g *CachedGraph) forEachNodeChannel(nodePub route.Vertex, +// NOTE: Part of the Graph interface. +func (g *CachedGraph) ForEachNodeChannel(nodePub route.Vertex, cb func(channel *channeldb.DirectedChannel) error) error { return g.graph.ForEachNodeDirectedChannel(g.tx, nodePub, cb) } -// fetchNodeFeatures returns the features of the given node. If the node is +// FetchNodeFeatures returns the features of the given node. If the node is // unknown, assume no additional features are supported. // -// NOTE: Part of the routingGraph interface. -func (g *CachedGraph) fetchNodeFeatures(nodePub route.Vertex) ( +// NOTE: Part of the Graph interface. +func (g *CachedGraph) FetchNodeFeatures(nodePub route.Vertex) ( *lnwire.FeatureVector, error) { return g.graph.FetchNodeFeatures(nodePub) diff --git a/routing/integrated_routing_context_test.go b/routing/integrated_routing_context_test.go index 95a5eaf65f..02cd6f0477 100644 --- a/routing/integrated_routing_context_test.go +++ b/routing/integrated_routing_context_test.go @@ -163,7 +163,7 @@ func (c *integratedRoutingContext) testPayment(maxParts uint32, c.t.Fatal(err) } - getBandwidthHints := func(_ routingGraph) (bandwidthHints, error) { + getBandwidthHints := func(_ Graph) (bandwidthHints, error) { // Create bandwidth hints based on local channel balances. bandwidthHints := map[uint64]lnwire.MilliSatoshi{} for _, ch := range c.graph.nodes[c.source.pubkey].channels { @@ -201,7 +201,7 @@ func (c *integratedRoutingContext) testPayment(maxParts uint32, session, err := newPaymentSession( &payment, c.graph.source.pubkey, getBandwidthHints, - func() (routingGraph, func(), error) { + func() (Graph, func(), error) { return c.graph, func() {}, nil }, mc, c.pathFindingCfg, diff --git a/routing/mock_graph_test.go b/routing/mock_graph_test.go index 2ec9a0f989..348eb3746f 100644 --- a/routing/mock_graph_test.go +++ b/routing/mock_graph_test.go @@ -164,8 +164,8 @@ func (m *mockGraph) addChannel(id uint64, node1id, node2id byte, // forEachNodeChannel calls the callback for every channel of the given node. // -// NOTE: Part of the routingGraph interface. -func (m *mockGraph) forEachNodeChannel(nodePub route.Vertex, +// NOTE: Part of the Graph interface. +func (m *mockGraph) ForEachNodeChannel(nodePub route.Vertex, cb func(channel *channeldb.DirectedChannel) error) error { // Look up the mock node. @@ -213,15 +213,15 @@ func (m *mockGraph) forEachNodeChannel(nodePub route.Vertex, // sourceNode returns the source node of the graph. // -// NOTE: Part of the routingGraph interface. +// NOTE: Part of the Graph interface. func (m *mockGraph) sourceNode() route.Vertex { return m.source.pubkey } // fetchNodeFeatures returns the features of the given node. // -// NOTE: Part of the routingGraph interface. -func (m *mockGraph) fetchNodeFeatures(nodePub route.Vertex) ( +// NOTE: Part of the Graph interface. +func (m *mockGraph) FetchNodeFeatures(nodePub route.Vertex) ( *lnwire.FeatureVector, error) { return lnwire.EmptyFeatureVector(), nil @@ -230,7 +230,7 @@ func (m *mockGraph) fetchNodeFeatures(nodePub route.Vertex) ( // FetchAmountPairCapacity returns the maximal capacity between nodes in the // graph. // -// NOTE: Part of the routingGraph interface. +// NOTE: Part of the Graph interface. func (m *mockGraph) FetchAmountPairCapacity(nodeFrom, nodeTo route.Vertex, amount lnwire.MilliSatoshi) (btcutil.Amount, error) { @@ -244,7 +244,7 @@ func (m *mockGraph) FetchAmountPairCapacity(nodeFrom, nodeTo route.Vertex, return nil } - err := m.forEachNodeChannel(nodeFrom, cb) + err := m.ForEachNodeChannel(nodeFrom, cb) if err != nil { return 0, err } @@ -295,5 +295,5 @@ func (m *mockGraph) sendHtlc(route *route.Route) (htlcResult, error) { return source.fwd(nil, next) } -// Compile-time check for the routingGraph interface. -var _ routingGraph = &mockGraph{} +// Compile-time check for the Graph interface. +var _ Graph = &mockGraph{} diff --git a/routing/pathfind.go b/routing/pathfind.go index d7d2893b0b..083af04dbd 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -369,7 +369,7 @@ func edgeWeight(lockedAmt lnwire.MilliSatoshi, fee lnwire.MilliSatoshi, // graphParams wraps the set of graph parameters passed to findPath. type graphParams struct { // graph is the ChannelGraph to be used during path finding. - graph routingGraph + graph Graph // additionalEdges is an optional set of edges that should be // considered during path finding, that is not already found in the @@ -464,7 +464,7 @@ type PathFindingConfig struct { // available balance. func getOutgoingBalance(node route.Vertex, outgoingChans map[uint64]struct{}, bandwidthHints bandwidthHints, - g routingGraph) (lnwire.MilliSatoshi, lnwire.MilliSatoshi, error) { + g Graph) (lnwire.MilliSatoshi, lnwire.MilliSatoshi, error) { var max, total lnwire.MilliSatoshi cb := func(channel *channeldb.DirectedChannel) error { @@ -502,7 +502,7 @@ func getOutgoingBalance(node route.Vertex, outgoingChans map[uint64]struct{}, } // Iterate over all channels of the to node. - err := g.forEachNodeChannel(node, cb) + err := g.ForEachNodeChannel(node, cb) if err != nil { return 0, 0, err } @@ -542,7 +542,7 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, features := r.DestFeatures if features == nil { var err error - features, err = g.graph.fetchNodeFeatures(target) + features, err = g.graph.FetchNodeFeatures(target) if err != nil { return nil, 0, err } @@ -920,7 +920,7 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, } // Fetch node features fresh from the graph. - fromFeatures, err := g.graph.fetchNodeFeatures(node) + fromFeatures, err := g.graph.FetchNodeFeatures(node) if err != nil { return nil, err } diff --git a/routing/payment_session.go b/routing/payment_session.go index bdd1948128..6cfbeddf46 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -167,7 +167,7 @@ type paymentSession struct { additionalEdges map[route.Vertex][]AdditionalEdge - getBandwidthHints func(routingGraph) (bandwidthHints, error) + getBandwidthHints func(Graph) (bandwidthHints, error) payment *LightningPayment @@ -175,7 +175,7 @@ type paymentSession struct { pathFinder pathFinder - getRoutingGraph func() (routingGraph, func(), error) + getRoutingGraph func() (Graph, func(), error) // pathFindingConfig defines global parameters that control the // trade-off in path finding between fees and probability. @@ -195,8 +195,8 @@ type paymentSession struct { // newPaymentSession instantiates a new payment session. func newPaymentSession(p *LightningPayment, selfNode route.Vertex, - getBandwidthHints func(routingGraph) (bandwidthHints, error), - getRoutingGraph func() (routingGraph, func(), error), + getBandwidthHints func(Graph) (bandwidthHints, error), + getRoutingGraph func() (Graph, func(), error), missionControl MissionController, pathFindingConfig PathFindingConfig) ( *paymentSession, error) { diff --git a/routing/payment_session_source.go b/routing/payment_session_source.go index ba010391bd..51bfc97811 100644 --- a/routing/payment_session_source.go +++ b/routing/payment_session_source.go @@ -46,7 +46,7 @@ type SessionSource struct { // getRoutingGraph returns a routing graph and a clean-up function for // pathfinding. -func (m *SessionSource) getRoutingGraph() (routingGraph, func(), error) { +func (m *SessionSource) getRoutingGraph() (Graph, func(), error) { routingTx, err := NewCachedGraph(m.SourceNode, m.Graph) if err != nil { return nil, nil, err @@ -66,7 +66,7 @@ func (m *SessionSource) getRoutingGraph() (routingGraph, func(), error) { func (m *SessionSource) NewPaymentSession(p *LightningPayment) ( PaymentSession, error) { - getBandwidthHints := func(graph routingGraph) (bandwidthHints, error) { + getBandwidthHints := func(graph Graph) (bandwidthHints, error) { return newBandwidthManager( graph, m.SourceNode.PubKeyBytes, m.GetLink, ) diff --git a/routing/payment_session_test.go b/routing/payment_session_test.go index b7efed5b7c..9356a2be01 100644 --- a/routing/payment_session_test.go +++ b/routing/payment_session_test.go @@ -116,10 +116,10 @@ func TestUpdateAdditionalEdge(t *testing.T) { // Create the paymentsession. session, err := newPaymentSession( payment, route.Vertex{}, - func(routingGraph) (bandwidthHints, error) { + func(Graph) (bandwidthHints, error) { return &mockBandwidthHints{}, nil }, - func() (routingGraph, func(), error) { + func() (Graph, func(), error) { return &sessionGraph{}, func() {}, nil }, &MissionControl{}, @@ -196,10 +196,10 @@ func TestRequestRoute(t *testing.T) { session, err := newPaymentSession( payment, route.Vertex{}, - func(routingGraph) (bandwidthHints, error) { + func(Graph) (bandwidthHints, error) { return &mockBandwidthHints{}, nil }, - func() (routingGraph, func(), error) { + func() (Graph, func(), error) { return &sessionGraph{}, func() {}, nil }, &MissionControl{}, @@ -253,7 +253,7 @@ func TestRequestRoute(t *testing.T) { } type sessionGraph struct { - routingGraph + Graph } func (g *sessionGraph) sourceNode() route.Vertex { diff --git a/routing/router.go b/routing/router.go index 597705754b..9af047f4ec 100644 --- a/routing/router.go +++ b/routing/router.go @@ -453,9 +453,9 @@ type ChannelRouter struct { // when doing any path finding. selfNode *channeldb.LightningNode - // cachedGraph is an instance of routingGraph that caches the source + // cachedGraph is an instance of Graph that caches the source // node as well as the channel graph itself in memory. - cachedGraph routingGraph + cachedGraph Graph // newBlocks is a channel in which new blocks connected to the end of // the main chain are sent over, and blocks updated after a call to @@ -3177,7 +3177,7 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, // getRouteUnifiers returns a list of edge unifiers for the given route. func getRouteUnifiers(source route.Vertex, hops []route.Vertex, useMinAmt bool, runningAmt lnwire.MilliSatoshi, - outgoingChans map[uint64]struct{}, graph routingGraph, + outgoingChans map[uint64]struct{}, graph Graph, bandwidthHints *bandwidthManager) ([]*edgeUnifier, lnwire.MilliSatoshi, error) { diff --git a/routing/unified_edges.go b/routing/unified_edges.go index d39eda1efd..a0300eea4b 100644 --- a/routing/unified_edges.go +++ b/routing/unified_edges.go @@ -94,7 +94,7 @@ func (u *nodeEdgeUnifier) addPolicy(fromNode route.Vertex, // addGraphPolicies adds all policies that are known for the toNode in the // graph. -func (u *nodeEdgeUnifier) addGraphPolicies(g routingGraph) error { +func (u *nodeEdgeUnifier) addGraphPolicies(g Graph) error { cb := func(channel *channeldb.DirectedChannel) error { // If there is no edge policy for this candidate node, skip. // Note that we are searching backwards so this node would have @@ -120,7 +120,7 @@ func (u *nodeEdgeUnifier) addGraphPolicies(g routingGraph) error { } // Iterate over all channels of the to node. - return g.forEachNodeChannel(u.toNode, cb) + return g.ForEachNodeChannel(u.toNode, cb) } // unifiedEdge is the individual channel data that is kept inside an edgeUnifier From 90d6b863a8007153f3a296fb0b9f5ff4771a04d8 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 25 Jun 2024 19:27:13 -0700 Subject: [PATCH 097/343] routing+refactor: remove the need to give CachedGraph source node access In preparation for the next commit. --- routing/graph.go | 20 ++++++++------------ routing/mock_graph_test.go | 25 ------------------------- routing/pathfind_test.go | 2 +- routing/payment_session_source.go | 2 +- routing/router.go | 3 +-- rpcserver.go | 9 ++++----- 6 files changed, 15 insertions(+), 46 deletions(-) diff --git a/routing/graph.go b/routing/graph.go index 1f4b24bb51..0c4d2e1d41 100644 --- a/routing/graph.go +++ b/routing/graph.go @@ -25,9 +25,8 @@ type Graph interface { // CachedGraph is a Graph implementation that retrieves from the // database. type CachedGraph struct { - graph *channeldb.ChannelGraph - tx kvdb.RTx - source route.Vertex + graph *channeldb.ChannelGraph + tx kvdb.RTx } // A compile time assertion to make sure CachedGraph implements the Graph @@ -36,18 +35,15 @@ var _ Graph = (*CachedGraph)(nil) // NewCachedGraph instantiates a new db-connected routing graph. It implicitly // instantiates a new read transaction. -func NewCachedGraph(sourceNode *channeldb.LightningNode, - graph *channeldb.ChannelGraph) (*CachedGraph, error) { - +func NewCachedGraph(graph *channeldb.ChannelGraph) (*CachedGraph, error) { tx, err := graph.NewPathFindTx() if err != nil { return nil, err } return &CachedGraph{ - graph: graph, - tx: tx, - source: sourceNode.PubKeyBytes, + graph: graph, + tx: tx, }, nil } @@ -82,16 +78,16 @@ func (g *CachedGraph) FetchNodeFeatures(nodePub route.Vertex) ( // FetchAmountPairCapacity determines the maximal public capacity between two // nodes depending on the amount we try to send. -func (g *CachedGraph) FetchAmountPairCapacity(nodeFrom, nodeTo route.Vertex, +func FetchAmountPairCapacity(graph Graph, source, nodeFrom, nodeTo route.Vertex, amount lnwire.MilliSatoshi) (btcutil.Amount, error) { // Create unified edges for all incoming connections. // // Note: Inbound fees are not used here because this method is only used // by a deprecated router rpc. - u := newNodeEdgeUnifier(g.source, nodeTo, false, nil) + u := newNodeEdgeUnifier(source, nodeTo, false, nil) - err := u.addGraphPolicies(g) + err := u.addGraphPolicies(graph) if err != nil { return 0, err } diff --git a/routing/mock_graph_test.go b/routing/mock_graph_test.go index 348eb3746f..de03412343 100644 --- a/routing/mock_graph_test.go +++ b/routing/mock_graph_test.go @@ -227,31 +227,6 @@ func (m *mockGraph) FetchNodeFeatures(nodePub route.Vertex) ( return lnwire.EmptyFeatureVector(), nil } -// FetchAmountPairCapacity returns the maximal capacity between nodes in the -// graph. -// -// NOTE: Part of the Graph interface. -func (m *mockGraph) FetchAmountPairCapacity(nodeFrom, nodeTo route.Vertex, - amount lnwire.MilliSatoshi) (btcutil.Amount, error) { - - var capacity btcutil.Amount - - cb := func(channel *channeldb.DirectedChannel) error { - if channel.OtherNode == nodeTo { - capacity = channel.Capacity - } - - return nil - } - - err := m.ForEachNodeChannel(nodeFrom, cb) - if err != nil { - return 0, err - } - - return capacity, nil -} - // htlcResult describes the resolution of an htlc. If failure is nil, the htlc // was settled. type htlcResult struct { diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index a35c9e2f7b..0eea8edc03 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3201,7 +3201,7 @@ func dbFindPath(graph *channeldb.ChannelGraph, return nil, err } - routingGraph, err := NewCachedGraph(sourceNode, graph) + routingGraph, err := NewCachedGraph(graph) if err != nil { return nil, err } diff --git a/routing/payment_session_source.go b/routing/payment_session_source.go index 51bfc97811..cc90c465bf 100644 --- a/routing/payment_session_source.go +++ b/routing/payment_session_source.go @@ -47,7 +47,7 @@ type SessionSource struct { // getRoutingGraph returns a routing graph and a clean-up function for // pathfinding. func (m *SessionSource) getRoutingGraph() (Graph, func(), error) { - routingTx, err := NewCachedGraph(m.SourceNode, m.Graph) + routingTx, err := NewCachedGraph(m.Graph) if err != nil { return nil, nil, err } diff --git a/routing/router.go b/routing/router.go index 9af047f4ec..9af37a5434 100644 --- a/routing/router.go +++ b/routing/router.go @@ -517,8 +517,7 @@ func New(cfg Config) (*ChannelRouter, error) { r := &ChannelRouter{ cfg: &cfg, cachedGraph: &CachedGraph{ - graph: cfg.Graph, - source: selfNode.PubKeyBytes, + graph: cfg.Graph, }, networkUpdates: make(chan *routingMsg), topologyClients: &lnutils.SyncMap[uint64, *topologyClient]{}, diff --git a/rpcserver.go b/rpcserver.go index a306d4fd29..59e3196fe4 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -691,9 +691,7 @@ func (r *rpcServer) addDeps(s *server, macService *macaroons.Service, FetchAmountPairCapacity: func(nodeFrom, nodeTo route.Vertex, amount lnwire.MilliSatoshi) (btcutil.Amount, error) { - routingGraph, err := routing.NewCachedGraph( - selfNode, graph, - ) + routingGraph, err := routing.NewCachedGraph(graph) if err != nil { return 0, err } @@ -706,8 +704,9 @@ func (r *rpcServer) addDeps(s *server, macService *macaroons.Service, } }() - return routingGraph.FetchAmountPairCapacity( - nodeFrom, nodeTo, amount, + return routing.FetchAmountPairCapacity( + routingGraph, selfNode.PubKeyBytes, nodeFrom, + nodeTo, amount, ) }, FetchChannelEndpoints: func(chanID uint64) (route.Vertex, From 8c0df98439c560af689c1dded9570b6c27ccf00c Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 25 Jun 2024 19:58:57 -0700 Subject: [PATCH 098/343] multi: add abstraction for Router and SessionSource graph access In this commit, we completely remove the Router's dependence on a Graph source that requires a `kvdb.RTx`. In so doing, we are more prepared for a future where the Graph source is backed by different DB structure such as pure SQL. The two areas affected here are: the ChannelRouter's graph access that it uses for pathfinding. And the SessionSource's graph access that it uses for payments. The ChannelRouter gets given a Graph and the SessionSource is given a GraphSessionFactory which it can use to create a new session. Behind the scenes, this will acquire a kvdb.RTx that will be used for calls to the Graph's `ForEachNodeChannel` method. --- channeldb/graphsession/graph_session.go | 141 +++++++++++++++++++++ routing/graph.go | 63 ++------- routing/integrated_routing_context_test.go | 91 ++++++++++++- routing/pathfind_test.go | 10 +- routing/payment_session.go | 23 ++-- routing/payment_session_source.go | 24 +--- routing/payment_session_test.go | 8 +- routing/router.go | 20 ++- routing/router_test.go | 7 +- rpcserver.go | 18 +-- server.go | 11 +- 11 files changed, 288 insertions(+), 128 deletions(-) create mode 100644 channeldb/graphsession/graph_session.go diff --git a/channeldb/graphsession/graph_session.go b/channeldb/graphsession/graph_session.go new file mode 100644 index 0000000000..30f1903287 --- /dev/null +++ b/channeldb/graphsession/graph_session.go @@ -0,0 +1,141 @@ +package graphsession + +import ( + "fmt" + + "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/kvdb" + "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/routing" + "github.com/lightningnetwork/lnd/routing/route" +) + +// Factory implements the routing.GraphSessionFactory and can be used to start +// a session with a ReadOnlyGraph. +type Factory struct { + graph ReadOnlyGraph +} + +// NewGraphSessionFactory constructs a new Factory which can then be used to +// start a new session. +func NewGraphSessionFactory(graph ReadOnlyGraph) routing.GraphSessionFactory { + return &Factory{ + graph: graph, + } +} + +// NewGraphSession will produce a new Graph to use for a path-finding session. +// It returns the Graph along with a call-back that must be called once Graph +// access is complete. This call-back will close any read-only transaction that +// was created at Graph construction time. +// +// NOTE: This is part of the routing.GraphSessionFactory interface. +func (g *Factory) NewGraphSession() (routing.Graph, func() error, error) { + tx, err := g.graph.NewPathFindTx() + if err != nil { + return nil, nil, err + } + + session := &session{ + graph: g.graph, + tx: tx, + } + + return session, session.close, nil +} + +// A compile-time check to ensure that Factory implements the +// routing.GraphSessionFactory interface. +var _ routing.GraphSessionFactory = (*Factory)(nil) + +// session is an implementation of the routing.Graph interface where the same +// read-only transaction is held across calls to the graph and can be used to +// access the backing channel graph. +type session struct { + graph graph + tx kvdb.RTx +} + +// NewRoutingGraph constructs a session that which does not first start a +// read-only transaction and so each call on the routing.Graph will create a +// new transaction. +func NewRoutingGraph(graph ReadOnlyGraph) routing.Graph { + return &session{ + graph: graph, + } +} + +// close closes the read-only transaction being used to access the backing +// graph. If no transaction was started then this is a no-op. +func (g *session) close() error { + if g.tx == nil { + return nil + } + + err := g.tx.Rollback() + if err != nil { + return fmt.Errorf("error closing db tx: %w", err) + } + + return nil +} + +// ForEachNodeChannel calls the callback for every channel of the given node. +// +// NOTE: Part of the routing.Graph interface. +func (g *session) ForEachNodeChannel(nodePub route.Vertex, + cb func(channel *channeldb.DirectedChannel) error) error { + + return g.graph.ForEachNodeDirectedChannel(g.tx, nodePub, cb) +} + +// FetchNodeFeatures returns the features of the given node. If the node is +// unknown, assume no additional features are supported. +// +// NOTE: Part of the routing.Graph interface. +func (g *session) FetchNodeFeatures(nodePub route.Vertex) ( + *lnwire.FeatureVector, error) { + + return g.graph.FetchNodeFeatures(nodePub) +} + +// A compile-time check to ensure that *session implements the +// routing.Graph interface. +var _ routing.Graph = (*session)(nil) + +// ReadOnlyGraph is a graph extended with a call to create a new read-only +// transaction that can then be used to make further queries to the graph. +type ReadOnlyGraph interface { + // NewPathFindTx returns a new read transaction that can be used for a + // single path finding session. Will return nil if the graph cache is + // enabled. + NewPathFindTx() (kvdb.RTx, error) + + graph +} + +// graph describes the API necessary for a graph source to have access to on a +// database implementation, like channeldb.ChannelGraph, in order to be used by +// the Router for pathfinding. +type graph interface { + // ForEachNodeDirectedChannel iterates through all channels of a given + // node, executing the passed callback on the directed edge representing + // the channel and its incoming policy. If the callback returns an + // error, then the iteration is halted with the error propagated back + // up to the caller. + // + // Unknown policies are passed into the callback as nil values. + // + // NOTE: if a nil tx is provided, then it is expected that the + // implementation create a read only tx. + ForEachNodeDirectedChannel(tx kvdb.RTx, node route.Vertex, + cb func(channel *channeldb.DirectedChannel) error) error + + // FetchNodeFeatures returns the features of a given node. If no + // features are known for the node, an empty feature vector is returned. + FetchNodeFeatures(node route.Vertex) (*lnwire.FeatureVector, error) +} + +// A compile-time check to ensure that *channeldb.ChannelGraph implements the +// graph interface. +var _ graph = (*channeldb.ChannelGraph)(nil) diff --git a/routing/graph.go b/routing/graph.go index 0c4d2e1d41..2b1c85bc8f 100644 --- a/routing/graph.go +++ b/routing/graph.go @@ -5,7 +5,6 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/lightningnetwork/lnd/channeldb" - "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" ) @@ -22,58 +21,16 @@ type Graph interface { FetchNodeFeatures(nodePub route.Vertex) (*lnwire.FeatureVector, error) } -// CachedGraph is a Graph implementation that retrieves from the -// database. -type CachedGraph struct { - graph *channeldb.ChannelGraph - tx kvdb.RTx -} - -// A compile time assertion to make sure CachedGraph implements the Graph -// interface. -var _ Graph = (*CachedGraph)(nil) - -// NewCachedGraph instantiates a new db-connected routing graph. It implicitly -// instantiates a new read transaction. -func NewCachedGraph(graph *channeldb.ChannelGraph) (*CachedGraph, error) { - tx, err := graph.NewPathFindTx() - if err != nil { - return nil, err - } - - return &CachedGraph{ - graph: graph, - tx: tx, - }, nil -} - -// Close attempts to close the underlying db transaction. This is a no-op in -// case the underlying graph uses an in-memory cache. -func (g *CachedGraph) Close() error { - if g.tx == nil { - return nil - } - - return g.tx.Rollback() -} - -// ForEachNodeChannel calls the callback for every channel of the given node. -// -// NOTE: Part of the Graph interface. -func (g *CachedGraph) ForEachNodeChannel(nodePub route.Vertex, - cb func(channel *channeldb.DirectedChannel) error) error { - - return g.graph.ForEachNodeDirectedChannel(g.tx, nodePub, cb) -} - -// FetchNodeFeatures returns the features of the given node. If the node is -// unknown, assume no additional features are supported. -// -// NOTE: Part of the Graph interface. -func (g *CachedGraph) FetchNodeFeatures(nodePub route.Vertex) ( - *lnwire.FeatureVector, error) { - - return g.graph.FetchNodeFeatures(nodePub) +// GraphSessionFactory can be used to produce a new Graph instance which can +// then be used for a path-finding session. Depending on the implementation, +// the Graph session will represent a DB connection where a read-lock is being +// held across calls to the backing Graph. +type GraphSessionFactory interface { + // NewGraphSession will produce a new Graph to use for a path-finding + // session. It returns the Graph along with a call-back that must be + // called once Graph access is complete. This call-back will close any + // read-only transaction that was created at Graph construction time. + NewGraphSession() (Graph, func() error, error) } // FetchAmountPairCapacity determines the maximal public capacity between two diff --git a/routing/integrated_routing_context_test.go b/routing/integrated_routing_context_test.go index 02cd6f0477..ee6fed295a 100644 --- a/routing/integrated_routing_context_test.go +++ b/routing/integrated_routing_context_test.go @@ -7,6 +7,7 @@ import ( "testing" "time" + "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" @@ -201,10 +202,7 @@ func (c *integratedRoutingContext) testPayment(maxParts uint32, session, err := newPaymentSession( &payment, c.graph.source.pubkey, getBandwidthHints, - func() (Graph, func(), error) { - return c.graph, func() {}, nil - }, - mc, c.pathFindingCfg, + newMockGraphSessionFactory(c.graph), mc, c.pathFindingCfg, ) if err != nil { c.t.Fatal(err) @@ -307,3 +305,88 @@ func getNodeIndex(route *route.Route, failureSource route.Vertex) *int { } return nil } + +type mockGraphSessionFactory struct { + Graph +} + +func newMockGraphSessionFactory(graph Graph) GraphSessionFactory { + return &mockGraphSessionFactory{Graph: graph} +} + +func (m *mockGraphSessionFactory) NewGraphSession() (Graph, func() error, + error) { + + return m, func() error { + return nil + }, nil +} + +var _ GraphSessionFactory = (*mockGraphSessionFactory)(nil) +var _ Graph = (*mockGraphSessionFactory)(nil) + +type mockGraphSessionFactoryChanDB struct { + graph *channeldb.ChannelGraph +} + +func newMockGraphSessionFactoryFromChanDB( + graph *channeldb.ChannelGraph) *mockGraphSessionFactoryChanDB { + + return &mockGraphSessionFactoryChanDB{ + graph: graph, + } +} + +func (g *mockGraphSessionFactoryChanDB) NewGraphSession() (Graph, func() error, + error) { + + tx, err := g.graph.NewPathFindTx() + if err != nil { + return nil, nil, err + } + + session := &mockGraphSessionChanDB{ + graph: g.graph, + tx: tx, + } + + return session, session.close, nil +} + +var _ GraphSessionFactory = (*mockGraphSessionFactoryChanDB)(nil) + +type mockGraphSessionChanDB struct { + graph *channeldb.ChannelGraph + tx kvdb.RTx +} + +func newMockGraphSessionChanDB(graph *channeldb.ChannelGraph) Graph { + return &mockGraphSessionChanDB{ + graph: graph, + } +} + +func (g *mockGraphSessionChanDB) close() error { + if g.tx == nil { + return nil + } + + err := g.tx.Rollback() + if err != nil { + return fmt.Errorf("error closing db tx: %w", err) + } + + return nil +} + +func (g *mockGraphSessionChanDB) ForEachNodeChannel(nodePub route.Vertex, + cb func(channel *channeldb.DirectedChannel) error) error { + + return g.graph.ForEachNodeDirectedChannel(g.tx, nodePub, cb) +} + +func (g *mockGraphSessionChanDB) FetchNodeFeatures(nodePub route.Vertex) ( + *lnwire.FeatureVector, error) { + + return g.graph.FetchNodeFeatures(nodePub) +} diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 0eea8edc03..d430f30373 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3201,14 +3201,16 @@ func dbFindPath(graph *channeldb.ChannelGraph, return nil, err } - routingGraph, err := NewCachedGraph(graph) + graphSessFactory := newMockGraphSessionFactoryFromChanDB(graph) + + graphSess, closeGraphSess, err := graphSessFactory.NewGraphSession() if err != nil { return nil, err } defer func() { - if err := routingGraph.Close(); err != nil { - log.Errorf("Error closing db tx: %v", err) + if err := closeGraphSess(); err != nil { + log.Errorf("Error closing graph session: %v", err) } }() @@ -3216,7 +3218,7 @@ func dbFindPath(graph *channeldb.ChannelGraph, &graphParams{ additionalEdges: additionalEdges, bandwidthHints: bandwidthHints, - graph: routingGraph, + graph: graphSess, }, r, cfg, sourceNode.PubKeyBytes, source, target, amt, timePref, finalHtlcExpiry, diff --git a/routing/payment_session.go b/routing/payment_session.go index 6cfbeddf46..0d46f71199 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -175,7 +175,7 @@ type paymentSession struct { pathFinder pathFinder - getRoutingGraph func() (Graph, func(), error) + graphSessFactory GraphSessionFactory // pathFindingConfig defines global parameters that control the // trade-off in path finding between fees and probability. @@ -196,9 +196,8 @@ type paymentSession struct { // newPaymentSession instantiates a new payment session. func newPaymentSession(p *LightningPayment, selfNode route.Vertex, getBandwidthHints func(Graph) (bandwidthHints, error), - getRoutingGraph func() (Graph, func(), error), - missionControl MissionController, pathFindingConfig PathFindingConfig) ( - *paymentSession, error) { + graphSessFactory GraphSessionFactory, missionControl MissionController, + pathFindingConfig PathFindingConfig) (*paymentSession, error) { edges, err := RouteHintsToEdges(p.RouteHints, p.Target) if err != nil { @@ -213,7 +212,7 @@ func newPaymentSession(p *LightningPayment, selfNode route.Vertex, getBandwidthHints: getBandwidthHints, payment: p, pathFinder: findPath, - getRoutingGraph: getRoutingGraph, + graphSessFactory: graphSessFactory, pathFindingConfig: pathFindingConfig, missionControl: missionControl, minShardAmt: DefaultShardMinAmt, @@ -280,8 +279,8 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, } for { - // Get a routing graph. - routingGraph, cleanup, err := p.getRoutingGraph() + // Get a routing graph session. + graph, closeGraph, err := p.graphSessFactory.NewGraphSession() if err != nil { return nil, err } @@ -292,7 +291,7 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, // don't have enough bandwidth to carry the payment. New // bandwidth hints are queried for every new path finding // attempt, because concurrent payments may change balances. - bandwidthHints, err := p.getBandwidthHints(routingGraph) + bandwidthHints, err := p.getBandwidthHints(graph) if err != nil { return nil, err } @@ -304,15 +303,17 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, &graphParams{ additionalEdges: p.additionalEdges, bandwidthHints: bandwidthHints, - graph: routingGraph, + graph: graph, }, restrictions, &p.pathFindingConfig, p.selfNode, p.selfNode, p.payment.Target, maxAmt, p.payment.TimePref, finalHtlcExpiry, ) - // Close routing graph. - cleanup() + // Close routing graph session. + if err := closeGraph(); err != nil { + log.Errorf("could not close graph session: %v", err) + } switch { case err == errNoPathFound: diff --git a/routing/payment_session_source.go b/routing/payment_session_source.go index cc90c465bf..46e7a42aa1 100644 --- a/routing/payment_session_source.go +++ b/routing/payment_session_source.go @@ -16,9 +16,10 @@ var _ PaymentSessionSource = (*SessionSource)(nil) // SessionSource defines a source for the router to retrieve new payment // sessions. type SessionSource struct { - // Graph is the channel graph that will be used to gather metrics from - // and also to carry out path finding queries. - Graph *channeldb.ChannelGraph + // GraphSessionFactory can be used to gain access to a Graph session. + // If the backing DB allows it, this will mean that a read transaction + // is being held during the use of the session. + GraphSessionFactory GraphSessionFactory // SourceNode is the graph's source node. SourceNode *channeldb.LightningNode @@ -44,21 +45,6 @@ type SessionSource struct { PathFindingConfig PathFindingConfig } -// getRoutingGraph returns a routing graph and a clean-up function for -// pathfinding. -func (m *SessionSource) getRoutingGraph() (Graph, func(), error) { - routingTx, err := NewCachedGraph(m.Graph) - if err != nil { - return nil, nil, err - } - return routingTx, func() { - err := routingTx.Close() - if err != nil { - log.Errorf("Error closing db tx: %v", err) - } - }, nil -} - // NewPaymentSession creates a new payment session backed by the latest prune // view from Mission Control. An optional set of routing hints can be provided // in order to populate additional edges to explore when finding a path to the @@ -74,7 +60,7 @@ func (m *SessionSource) NewPaymentSession(p *LightningPayment) ( session, err := newPaymentSession( p, m.SourceNode.PubKeyBytes, getBandwidthHints, - m.getRoutingGraph, m.MissionControl, m.PathFindingConfig, + m.GraphSessionFactory, m.MissionControl, m.PathFindingConfig, ) if err != nil { return nil, err diff --git a/routing/payment_session_test.go b/routing/payment_session_test.go index 9356a2be01..f6873aa752 100644 --- a/routing/payment_session_test.go +++ b/routing/payment_session_test.go @@ -119,9 +119,7 @@ func TestUpdateAdditionalEdge(t *testing.T) { func(Graph) (bandwidthHints, error) { return &mockBandwidthHints{}, nil }, - func() (Graph, func(), error) { - return &sessionGraph{}, func() {}, nil - }, + newMockGraphSessionFactory(&sessionGraph{}), &MissionControl{}, PathFindingConfig{}, ) @@ -199,9 +197,7 @@ func TestRequestRoute(t *testing.T) { func(Graph) (bandwidthHints, error) { return &mockBandwidthHints{}, nil }, - func() (Graph, func(), error) { - return &sessionGraph{}, func() {}, nil - }, + newMockGraphSessionFactory(&sessionGraph{}), &MissionControl{}, PathFindingConfig{}, ) diff --git a/routing/router.go b/routing/router.go index 9af37a5434..c52adccc3e 100644 --- a/routing/router.go +++ b/routing/router.go @@ -319,6 +319,9 @@ type ChannelPolicy struct { // the configuration MUST be non-nil for the ChannelRouter to carry out its // duties. type Config struct { + // RoutingGraph is a graph source that will be used for pathfinding. + RoutingGraph Graph + // Graph is the channel graph that the ChannelRouter will use to gather // metrics from and also to carry out path finding queries. // TODO(roasbeef): make into an interface @@ -453,10 +456,6 @@ type ChannelRouter struct { // when doing any path finding. selfNode *channeldb.LightningNode - // cachedGraph is an instance of Graph that caches the source - // node as well as the channel graph itself in memory. - cachedGraph Graph - // newBlocks is a channel in which new blocks connected to the end of // the main chain are sent over, and blocks updated after a call to // UpdateFilter. @@ -515,10 +514,7 @@ func New(cfg Config) (*ChannelRouter, error) { } r := &ChannelRouter{ - cfg: &cfg, - cachedGraph: &CachedGraph{ - graph: cfg.Graph, - }, + cfg: &cfg, networkUpdates: make(chan *routingMsg), topologyClients: &lnutils.SyncMap[uint64, *topologyClient]{}, ntfnClientUpdates: make(chan *topologyClientUpdate), @@ -2118,7 +2114,7 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, // We'll attempt to obtain a set of bandwidth hints that can help us // eliminate certain routes early on in the path finding process. bandwidthHints, err := newBandwidthManager( - r.cachedGraph, r.selfNode.PubKeyBytes, r.cfg.GetLink, + r.cfg.RoutingGraph, r.selfNode.PubKeyBytes, r.cfg.GetLink, ) if err != nil { return nil, 0, err @@ -2145,7 +2141,7 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, &graphParams{ additionalEdges: req.RouteHints, bandwidthHints: bandwidthHints, - graph: r.cachedGraph, + graph: r.cfg.RoutingGraph, }, req.Restrictions, &r.cfg.PathFindingConfig, r.selfNode.PubKeyBytes, req.Source, req.Target, req.Amount, @@ -3131,7 +3127,7 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, // We'll attempt to obtain a set of bandwidth hints that helps us select // the best outgoing channel to use in case no outgoing channel is set. bandwidthHints, err := newBandwidthManager( - r.cachedGraph, r.selfNode.PubKeyBytes, r.cfg.GetLink, + r.cfg.RoutingGraph, r.selfNode.PubKeyBytes, r.cfg.GetLink, ) if err != nil { return nil, err @@ -3147,7 +3143,7 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, sourceNode := r.selfNode.PubKeyBytes unifiers, senderAmt, err := getRouteUnifiers( sourceNode, hops, useMinAmt, runningAmt, outgoingChans, - r.cachedGraph, bandwidthHints, + r.cfg.RoutingGraph, bandwidthHints, ) if err != nil { return nil, err diff --git a/routing/router_test.go b/routing/router_test.go index 47bdf7a17a..d6c5e6172d 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -77,6 +77,7 @@ func (c *testCtx) RestartRouter(t *testing.T) { // With the chainView reset, we'll now re-create the router itself, and // start it. router, err := New(Config{ + RoutingGraph: newMockGraphSessionChanDB(c.graph), Graph: c.graph, Chain: c.chain, ChainView: c.chainView, @@ -140,7 +141,9 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, sourceNode, err := graphInstance.graph.SourceNode() require.NoError(t, err) sessionSource := &SessionSource{ - Graph: graphInstance.graph, + GraphSessionFactory: newMockGraphSessionFactoryFromChanDB( + graphInstance.graph, + ), SourceNode: sourceNode, GetLink: graphInstance.getLink, PathFindingConfig: pathFindingConfig, @@ -154,6 +157,7 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, } router, err := New(Config{ + RoutingGraph: newMockGraphSessionChanDB(graphInstance.graph), Graph: graphInstance.graph, Chain: chain, ChainView: chainView, @@ -1763,6 +1767,7 @@ func TestWakeUpOnStaleBranch(t *testing.T) { // Create new router with same graph database. router, err := New(Config{ + RoutingGraph: newMockGraphSessionChanDB(ctx.graph), Graph: ctx.graph, Chain: ctx.chain, ChainView: ctx.chainView, diff --git a/rpcserver.go b/rpcserver.go index 59e3196fe4..c2ab4eb543 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -41,6 +41,7 @@ import ( "github.com/lightningnetwork/lnd/chanbackup" "github.com/lightningnetwork/lnd/chanfitness" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/channeldb/graphsession" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/channelnotifier" "github.com/lightningnetwork/lnd/contractcourt" @@ -691,22 +692,9 @@ func (r *rpcServer) addDeps(s *server, macService *macaroons.Service, FetchAmountPairCapacity: func(nodeFrom, nodeTo route.Vertex, amount lnwire.MilliSatoshi) (btcutil.Amount, error) { - routingGraph, err := routing.NewCachedGraph(graph) - if err != nil { - return 0, err - } - defer func() { - closeErr := routingGraph.Close() - if closeErr != nil { - rpcsLog.Errorf("not able to close "+ - "routing graph tx: %v", - closeErr) - } - }() - return routing.FetchAmountPairCapacity( - routingGraph, selfNode.PubKeyBytes, nodeFrom, - nodeTo, amount, + graphsession.NewRoutingGraph(graph), + selfNode.PubKeyBytes, nodeFrom, nodeTo, amount, ) }, FetchChannelEndpoints: func(chanID uint64) (route.Vertex, diff --git a/server.go b/server.go index 6ab197f86a..5b96ec7854 100644 --- a/server.go +++ b/server.go @@ -32,6 +32,7 @@ import ( "github.com/lightningnetwork/lnd/chanbackup" "github.com/lightningnetwork/lnd/chanfitness" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/channeldb/graphsession" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/channelnotifier" "github.com/lightningnetwork/lnd/clock" @@ -956,7 +957,9 @@ func newServer(cfg *Config, listenAddrs []net.Addr, return nil, fmt.Errorf("error getting source node: %w", err) } paymentSessionSource := &routing.SessionSource{ - Graph: chanGraph, + GraphSessionFactory: graphsession.NewGraphSessionFactory( + chanGraph, + ), SourceNode: sourceNode, MissionControl: s.missionControl, GetLink: s.htlcSwitch.GetLinkByShortID, @@ -967,9 +970,11 @@ func newServer(cfg *Config, listenAddrs []net.Addr, s.controlTower = routing.NewControlTower(paymentControl) - strictPruning := (cfg.Bitcoin.Node == "neutrino" || - cfg.Routing.StrictZombiePruning) + strictPruning := cfg.Bitcoin.Node == "neutrino" || + cfg.Routing.StrictZombiePruning + s.chanRouter, err = routing.New(routing.Config{ + RoutingGraph: graphsession.NewRoutingGraph(chanGraph), Graph: chanGraph, Chain: cc.ChainIO, ChainView: cc.ChainView, From cf3de72503b737cc8be74164a420c29c5c86e13e Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 25 Jun 2024 20:08:57 -0700 Subject: [PATCH 099/343] routing: let SelfNode be passed via config Instead of querying it from the graph since this will be removed in a future commit. --- routing/pathfind_test.go | 24 ++++-------------------- routing/router.go | 29 +++++++++++------------------ routing/router_test.go | 15 ++++++++++++--- server.go | 1 + 4 files changed, 28 insertions(+), 41 deletions(-) diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index d430f30373..e48f3c7fbd 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -2227,18 +2227,13 @@ func TestPathFindSpecExample(t *testing.T) { // Carol, so we set "B" as the source node so path finding starts from // Bob. bob := ctx.aliases["B"] - bobNode, err := ctx.graph.FetchLightningNode(nil, bob) - require.NoError(t, err, "unable to find bob") - if err := ctx.graph.SetSourceNode(bobNode); err != nil { - t.Fatalf("unable to set source node: %v", err) - } // Query for a route of 4,999,999 mSAT to carol. carol := ctx.aliases["C"] const amt lnwire.MilliSatoshi = 4999999 req, err := NewRouteRequest( - bobNode.PubKeyBytes, &carol, amt, 0, noRestrictions, nil, nil, - nil, MinCLTVDelta, + bob, &carol, amt, 0, noRestrictions, nil, nil, nil, + MinCLTVDelta, ) require.NoError(t, err, "invalid route request") @@ -2276,22 +2271,11 @@ func TestPathFindSpecExample(t *testing.T) { // Next, we'll set A as the source node so we can assert that we create // the proper route for any queries starting with Alice. alice := ctx.aliases["A"] - aliceNode, err := ctx.graph.FetchLightningNode(nil, alice) - require.NoError(t, err, "unable to find alice") - if err := ctx.graph.SetSourceNode(aliceNode); err != nil { - t.Fatalf("unable to set source node: %v", err) - } - ctx.router.selfNode = aliceNode - source, err := ctx.graph.SourceNode() - require.NoError(t, err, "unable to retrieve source node") - if source.PubKeyBytes != alice { - t.Fatalf("source node not set") - } // We'll now request a route from A -> B -> C. req, err = NewRouteRequest( - source.PubKeyBytes, &carol, amt, 0, noRestrictions, nil, nil, - nil, MinCLTVDelta, + alice, &carol, amt, 0, noRestrictions, nil, nil, nil, + MinCLTVDelta, ) require.NoError(t, err, "invalid route request") diff --git a/routing/router.go b/routing/router.go index c52adccc3e..04b6cad457 100644 --- a/routing/router.go +++ b/routing/router.go @@ -319,6 +319,10 @@ type ChannelPolicy struct { // the configuration MUST be non-nil for the ChannelRouter to carry out its // duties. type Config struct { + // SelfNode is the public key of the node that this channel router + // belongs to. + SelfNode route.Vertex + // RoutingGraph is a graph source that will be used for pathfinding. RoutingGraph Graph @@ -451,11 +455,6 @@ type ChannelRouter struct { // initialized with. cfg *Config - // selfNode is the center of the star-graph centered around the - // ChannelRouter. The ChannelRouter uses this node as a starting point - // when doing any path finding. - selfNode *channeldb.LightningNode - // newBlocks is a channel in which new blocks connected to the end of // the main chain are sent over, and blocks updated after a call to // UpdateFilter. @@ -508,18 +507,12 @@ var _ ChannelGraphSource = (*ChannelRouter)(nil) // channel graph is a subset of the UTXO set) set, then the router will proceed // to fully sync to the latest state of the UTXO set. func New(cfg Config) (*ChannelRouter, error) { - selfNode, err := cfg.Graph.SourceNode() - if err != nil { - return nil, err - } - r := &ChannelRouter{ cfg: &cfg, networkUpdates: make(chan *routingMsg), topologyClients: &lnutils.SyncMap[uint64, *topologyClient]{}, ntfnClientUpdates: make(chan *topologyClientUpdate), channelEdgeMtx: multimutex.NewMutex[uint64](), - selfNode: selfNode, statTicker: ticker.New(defaultStatInterval), stats: new(routerStats), quit: make(chan struct{}), @@ -968,8 +961,8 @@ func (r *ChannelRouter) pruneZombieChans() error { // A helper method to detect if the channel belongs to this node isSelfChannelEdge := func(info *models.ChannelEdgeInfo) bool { - return info.NodeKey1Bytes == r.selfNode.PubKeyBytes || - info.NodeKey2Bytes == r.selfNode.PubKeyBytes + return info.NodeKey1Bytes == r.cfg.SelfNode || + info.NodeKey2Bytes == r.cfg.SelfNode } // First, we'll collect all the channels which are eligible for garbage @@ -2114,7 +2107,7 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, // We'll attempt to obtain a set of bandwidth hints that can help us // eliminate certain routes early on in the path finding process. bandwidthHints, err := newBandwidthManager( - r.cfg.RoutingGraph, r.selfNode.PubKeyBytes, r.cfg.GetLink, + r.cfg.RoutingGraph, r.cfg.SelfNode, r.cfg.GetLink, ) if err != nil { return nil, 0, err @@ -2144,7 +2137,7 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, graph: r.cfg.RoutingGraph, }, req.Restrictions, &r.cfg.PathFindingConfig, - r.selfNode.PubKeyBytes, req.Source, req.Target, req.Amount, + r.cfg.SelfNode, req.Source, req.Target, req.Amount, req.TimePreference, finalHtlcExpiry, ) if err != nil { @@ -2944,7 +2937,7 @@ func (r *ChannelRouter) ForEachNode( func (r *ChannelRouter) ForAllOutgoingChannels(cb func(kvdb.RTx, *models.ChannelEdgeInfo, *models.ChannelEdgePolicy) error) error { - return r.cfg.Graph.ForEachNodeChannel(nil, r.selfNode.PubKeyBytes, + return r.cfg.Graph.ForEachNodeChannel(nil, r.cfg.SelfNode, func(tx kvdb.RTx, c *models.ChannelEdgeInfo, e *models.ChannelEdgePolicy, _ *models.ChannelEdgePolicy) error { @@ -3127,7 +3120,7 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, // We'll attempt to obtain a set of bandwidth hints that helps us select // the best outgoing channel to use in case no outgoing channel is set. bandwidthHints, err := newBandwidthManager( - r.cfg.RoutingGraph, r.selfNode.PubKeyBytes, r.cfg.GetLink, + r.cfg.RoutingGraph, r.cfg.SelfNode, r.cfg.GetLink, ) if err != nil { return nil, err @@ -3140,7 +3133,7 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, return nil, err } - sourceNode := r.selfNode.PubKeyBytes + sourceNode := r.cfg.SelfNode unifiers, senderAmt, err := getRouteUnifiers( sourceNode, hops, useMinAmt, runningAmt, outgoingChans, r.cfg.RoutingGraph, bandwidthHints, diff --git a/routing/router_test.go b/routing/router_test.go index d6c5e6172d..6f11894dc7 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -74,9 +74,13 @@ func (c *testCtx) RestartRouter(t *testing.T) { // filter between restarts. c.chainView.Reset() + source, err := c.graph.SourceNode() + require.NoError(t, err) + // With the chainView reset, we'll now re-create the router itself, and // start it. router, err := New(Config{ + SelfNode: source.PubKeyBytes, RoutingGraph: newMockGraphSessionChanDB(c.graph), Graph: c.graph, Chain: c.chain, @@ -157,6 +161,7 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, } router, err := New(Config{ + SelfNode: sourceNode.PubKeyBytes, RoutingGraph: newMockGraphSessionChanDB(graphInstance.graph), Graph: graphInstance.graph, Chain: chain, @@ -278,7 +283,7 @@ func TestFindRoutesWithFeeLimit(t *testing.T) { } req, err := NewRouteRequest( - ctx.router.selfNode.PubKeyBytes, &target, paymentAmt, 0, + ctx.router.cfg.SelfNode, &target, paymentAmt, 0, restrictions, nil, nil, nil, MinCLTVDelta, ) require.NoError(t, err, "invalid route request") @@ -1541,7 +1546,7 @@ func TestAddEdgeUnknownVertexes(t *testing.T) { copy(targetPubKeyBytes[:], targetNode.SerializeCompressed()) req, err := NewRouteRequest( - ctx.router.selfNode.PubKeyBytes, &targetPubKeyBytes, + ctx.router.cfg.SelfNode, &targetPubKeyBytes, paymentAmt, 0, noRestrictions, nil, nil, nil, MinCLTVDelta, ) require.NoError(t, err, "invalid route request") @@ -1583,7 +1588,7 @@ func TestAddEdgeUnknownVertexes(t *testing.T) { // Should still be able to find the route, and the info should be // updated. req, err = NewRouteRequest( - ctx.router.selfNode.PubKeyBytes, &targetPubKeyBytes, + ctx.router.cfg.SelfNode, &targetPubKeyBytes, paymentAmt, 0, noRestrictions, nil, nil, nil, MinCLTVDelta, ) require.NoError(t, err, "invalid route request") @@ -1765,8 +1770,12 @@ func TestWakeUpOnStaleBranch(t *testing.T) { // Give time to process new blocks. time.Sleep(time.Millisecond * 500) + source, err := ctx.graph.SourceNode() + require.NoError(t, err) + // Create new router with same graph database. router, err := New(Config{ + SelfNode: source.PubKeyBytes, RoutingGraph: newMockGraphSessionChanDB(ctx.graph), Graph: ctx.graph, Chain: ctx.chain, diff --git a/server.go b/server.go index 5b96ec7854..b3852dbcc4 100644 --- a/server.go +++ b/server.go @@ -974,6 +974,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, cfg.Routing.StrictZombiePruning s.chanRouter, err = routing.New(routing.Config{ + SelfNode: selfNode.PubKeyBytes, RoutingGraph: graphsession.NewRoutingGraph(chanGraph), Graph: chanGraph, Chain: cc.ChainIO, From 71e93526d6bd07f3cf5f5e7df48eb0dcf676a67e Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 14 Jun 2024 19:51:11 -0400 Subject: [PATCH 100/343] multi+refactor: let FetchChanInfos not take tx In preparation for having a clean graph DB interface, refactor FetchChanInfos so that no transaction can be provided. --- channeldb/graph.go | 17 +++++++++++++---- channeldb/graph_test.go | 2 +- discovery/chan_series.go | 2 +- routing/router.go | 2 +- 4 files changed, 16 insertions(+), 7 deletions(-) diff --git a/channeldb/graph.go b/channeldb/graph.go index 227d5fadd1..0ac0ec2f72 100644 --- a/channeldb/graph.go +++ b/channeldb/graph.go @@ -2374,10 +2374,19 @@ func (c *ChannelGraph) FilterChannelRange(startHeight, // skipped and the result will contain only those edges that exist at the time // of the query. This can be used to respond to peer queries that are seeking to // fill in gaps in their view of the channel graph. +func (c *ChannelGraph) FetchChanInfos(chanIDs []uint64) ([]ChannelEdge, error) { + return c.fetchChanInfos(nil, chanIDs) +} + +// fetchChanInfos returns the set of channel edges that correspond to the passed +// channel ID's. If an edge is the query is unknown to the database, it will +// skipped and the result will contain only those edges that exist at the time +// of the query. This can be used to respond to peer queries that are seeking to +// fill in gaps in their view of the channel graph. // // NOTE: An optional transaction may be provided. If none is provided, then a // new one will be created. -func (c *ChannelGraph) FetchChanInfos(tx kvdb.RTx, chanIDs []uint64) ( +func (c *ChannelGraph) fetchChanInfos(tx kvdb.RTx, chanIDs []uint64) ( []ChannelEdge, error) { // TODO(roasbeef): sort cids? @@ -2958,8 +2967,8 @@ func (c *ChannelGraph) isPublic(tx kvdb.RTx, nodePub route.Vertex, // key. If the node isn't found in the database, then ErrGraphNodeNotFound is // returned. An optional transaction may be provided. If none is provided, then // a new one will be created. -func (c *ChannelGraph) FetchLightningNode(tx kvdb.RTx, nodePub route.Vertex) ( - *LightningNode, error) { +func (c *ChannelGraph) FetchLightningNode(tx kvdb.RTx, + nodePub route.Vertex) (*LightningNode, error) { var node *LightningNode fetch := func(tx kvdb.RTx) error { @@ -3705,7 +3714,7 @@ func (c *ChannelGraph) markEdgeLiveUnsafe(tx kvdb.RwTx, chanID uint64) error { // We need to add the channel back into our graph cache, otherwise we // won't use it for path finding. if c.graphCache != nil { - edgeInfos, err := c.FetchChanInfos(tx, []uint64{chanID}) + edgeInfos, err := c.fetchChanInfos(tx, []uint64{chanID}) if err != nil { return err } diff --git a/channeldb/graph_test.go b/channeldb/graph_test.go index 717b99fd1b..9e430296bd 100644 --- a/channeldb/graph_test.go +++ b/channeldb/graph_test.go @@ -2685,7 +2685,7 @@ func TestFetchChanInfos(t *testing.T) { // We'll now attempt to query for the range of channel ID's we just // inserted into the database. We should get the exact same set of // edges back. - resp, err := graph.FetchChanInfos(nil, edgeQuery) + resp, err := graph.FetchChanInfos(edgeQuery) require.NoError(t, err, "unable to fetch chan edges") if len(resp) != len(edges) { t.Fatalf("expected %v edges, instead got %v", len(edges), diff --git a/discovery/chan_series.go b/discovery/chan_series.go index bd6571b87d..34e6d4a9db 100644 --- a/discovery/chan_series.go +++ b/discovery/chan_series.go @@ -249,7 +249,7 @@ func (c *ChanSeries) FetchChanAnns(chain chainhash.Hash, chanIDs = append(chanIDs, chanID.ToUint64()) } - channels, err := c.graph.FetchChanInfos(nil, chanIDs) + channels, err := c.graph.FetchChanInfos(chanIDs) if err != nil { return nil, err } diff --git a/routing/router.go b/routing/router.go index 04b6cad457..c968f8d321 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1023,7 +1023,7 @@ func (r *ChannelRouter) pruneZombieChans() error { } disabledEdges, err := r.cfg.Graph.FetchChanInfos( - nil, disabledChanIDs, + disabledChanIDs, ) if err != nil { return fmt.Errorf("unable to fetch disabled channels "+ From c20d759d4198ca8ad89c85d9771edea6066c2ba8 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 14 Jun 2024 20:29:26 -0400 Subject: [PATCH 101/343] refactor: create FetchLightningNode with no tx param In preparation for adding a clean Graph DB interface, we create a version of FetchLightningNode that doesnt allow a caller to provide in a transaction. --- autopilot/graph.go | 6 ++++-- channeldb/db.go | 2 +- channeldb/graph.go | 23 +++++++++++++++++++++-- channeldb/graph_test.go | 14 +++++++------- routing/router.go | 2 +- routing/router_test.go | 4 ++-- rpcserver.go | 4 ++-- server.go | 2 +- 8 files changed, 39 insertions(+), 18 deletions(-) diff --git a/autopilot/graph.go b/autopilot/graph.go index 74b04c5034..83447af9b6 100644 --- a/autopilot/graph.go +++ b/autopilot/graph.go @@ -105,7 +105,9 @@ func (d *dbNode) ForEachChannel(cb func(ChannelEdge) error) error { return nil } - node, err := d.db.FetchLightningNode(tx, ep.ToNode) + node, err := d.db.FetchLightningNodeTx( + tx, ep.ToNode, + ) if err != nil { return err } @@ -164,7 +166,7 @@ func (d *databaseChannelGraph) addRandChannel(node1, node2 *btcec.PublicKey, return nil, err } - dbNode, err := d.db.FetchLightningNode(nil, vertex) + dbNode, err := d.db.FetchLightningNode(vertex) switch { case err == channeldb.ErrGraphNodeNotFound: fallthrough diff --git a/channeldb/db.go b/channeldb/db.go index 93bb239bb6..1e210d032a 100644 --- a/channeldb/db.go +++ b/channeldb/db.go @@ -1351,7 +1351,7 @@ func (d *DB) AddrsForNode(nodePub *btcec.PublicKey) ([]net.Addr, if err != nil { return nil, err } - graphNode, err := d.graph.FetchLightningNode(nil, pubKey) + graphNode, err := d.graph.FetchLightningNode(pubKey) if err != nil && err != ErrGraphNodeNotFound { return nil, err } else if err == ErrGraphNodeNotFound { diff --git a/channeldb/graph.go b/channeldb/graph.go index 0ac0ec2f72..a37ea9682c 100644 --- a/channeldb/graph.go +++ b/channeldb/graph.go @@ -529,7 +529,7 @@ func (c *ChannelGraph) FetchNodeFeatures( } // Fallback that uses the database. - targetNode, err := c.FetchLightningNode(nil, node) + targetNode, err := c.FetchLightningNode(node) switch err { // If the node exists and has features, return them directly. case nil: @@ -2963,11 +2963,30 @@ func (c *ChannelGraph) isPublic(tx kvdb.RTx, nodePub route.Vertex, return nodeIsPublic, nil } +// FetchLightningNodeTx attempts to look up a target node by its identity +// public key. If the node isn't found in the database, then +// ErrGraphNodeNotFound is returned. An optional transaction may be provided. +// If none is provided, then a new one will be created. +func (c *ChannelGraph) FetchLightningNodeTx(tx kvdb.RTx, nodePub route.Vertex) ( + *LightningNode, error) { + + return c.fetchLightningNode(tx, nodePub) +} + // FetchLightningNode attempts to look up a target node by its identity public // key. If the node isn't found in the database, then ErrGraphNodeNotFound is +// returned. +func (c *ChannelGraph) FetchLightningNode(nodePub route.Vertex) (*LightningNode, + error) { + + return c.fetchLightningNode(nil, nodePub) +} + +// fetchLightningNode attempts to look up a target node by its identity public +// key. If the node isn't found in the database, then ErrGraphNodeNotFound is // returned. An optional transaction may be provided. If none is provided, then // a new one will be created. -func (c *ChannelGraph) FetchLightningNode(tx kvdb.RTx, +func (c *ChannelGraph) fetchLightningNode(tx kvdb.RTx, nodePub route.Vertex) (*LightningNode, error) { var node *LightningNode diff --git a/channeldb/graph_test.go b/channeldb/graph_test.go index 9e430296bd..46bc0d3fda 100644 --- a/channeldb/graph_test.go +++ b/channeldb/graph_test.go @@ -141,7 +141,7 @@ func TestNodeInsertionAndDeletion(t *testing.T) { // Next, fetch the node from the database to ensure everything was // serialized properly. - dbNode, err := graph.FetchLightningNode(nil, testPub) + dbNode, err := graph.FetchLightningNode(testPub) require.NoError(t, err, "unable to locate node") if _, exists, err := graph.HasLightningNode(dbNode.PubKeyBytes); err != nil { @@ -164,7 +164,7 @@ func TestNodeInsertionAndDeletion(t *testing.T) { // Finally, attempt to fetch the node again. This should fail as the // node should have been deleted from the database. - _, err = graph.FetchLightningNode(nil, testPub) + _, err = graph.FetchLightningNode(testPub) if err != ErrGraphNodeNotFound { t.Fatalf("fetch after delete should fail!") } @@ -192,7 +192,7 @@ func TestPartialNode(t *testing.T) { // Next, fetch the node from the database to ensure everything was // serialized properly. - dbNode, err := graph.FetchLightningNode(nil, testPub) + dbNode, err := graph.FetchLightningNode(testPub) require.NoError(t, err, "unable to locate node") if _, exists, err := graph.HasLightningNode(dbNode.PubKeyBytes); err != nil { @@ -222,7 +222,7 @@ func TestPartialNode(t *testing.T) { // Finally, attempt to fetch the node again. This should fail as the // node should have been deleted from the database. - _, err = graph.FetchLightningNode(nil, testPub) + _, err = graph.FetchLightningNode(testPub) if err != ErrGraphNodeNotFound { t.Fatalf("fetch after delete should fail!") } @@ -3014,7 +3014,7 @@ func TestPruneGraphNodes(t *testing.T) { // Finally, we'll ensure that node3, the only fully unconnected node as // properly deleted from the graph and not another node in its place. - _, err = graph.FetchLightningNode(nil, node3.PubKeyBytes) + _, err = graph.FetchLightningNode(node3.PubKeyBytes) if err == nil { t.Fatalf("node 3 should have been deleted!") } @@ -3048,13 +3048,13 @@ func TestAddChannelEdgeShellNodes(t *testing.T) { // Ensure that node1 was inserted as a full node, while node2 only has // a shell node present. - node1, err = graph.FetchLightningNode(nil, node1.PubKeyBytes) + node1, err = graph.FetchLightningNode(node1.PubKeyBytes) require.NoError(t, err, "unable to fetch node1") if !node1.HaveNodeAnnouncement { t.Fatalf("have shell announcement for node1, shouldn't") } - node2, err = graph.FetchLightningNode(nil, node2.PubKeyBytes) + node2, err = graph.FetchLightningNode(node2.PubKeyBytes) require.NoError(t, err, "unable to fetch node2") if node2.HaveNodeAnnouncement { t.Fatalf("should have shell announcement for node2, but is full") diff --git a/routing/router.go b/routing/router.go index c968f8d321..c91e0b1879 100644 --- a/routing/router.go +++ b/routing/router.go @@ -2915,7 +2915,7 @@ func (r *ChannelRouter) GetChannelByID(chanID lnwire.ShortChannelID) ( func (r *ChannelRouter) FetchLightningNode( node route.Vertex) (*channeldb.LightningNode, error) { - return r.cfg.Graph.FetchLightningNode(nil, node) + return r.cfg.Graph.FetchLightningNode(node) } // ForEachNode is used to iterate over every node in router topology. diff --git a/routing/router_test.go b/routing/router_test.go index 6f11894dc7..49ca6a2665 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -1596,14 +1596,14 @@ func TestAddEdgeUnknownVertexes(t *testing.T) { _, _, err = ctx.router.FindRoute(req) require.NoError(t, err, "unable to find any routes") - copy1, err := ctx.graph.FetchLightningNode(nil, pub1) + copy1, err := ctx.graph.FetchLightningNode(pub1) require.NoError(t, err, "unable to fetch node") if copy1.Alias != n1.Alias { t.Fatalf("fetched node not equal to original") } - copy2, err := ctx.graph.FetchLightningNode(nil, pub2) + copy2, err := ctx.graph.FetchLightningNode(pub2) require.NoError(t, err, "unable to fetch node") if copy2.Alias != n2.Alias { diff --git a/rpcserver.go b/rpcserver.go index c2ab4eb543..2012e75d9f 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -6345,7 +6345,7 @@ func (r *rpcServer) GetNodeInfo(ctx context.Context, // With the public key decoded, attempt to fetch the node corresponding // to this public key. If the node cannot be found, then an error will // be returned. - node, err := graph.FetchLightningNode(nil, pubKey) + node, err := graph.FetchLightningNode(pubKey) switch { case err == channeldb.ErrGraphNodeNotFound: return nil, status.Error(codes.NotFound, err.Error()) @@ -7393,7 +7393,7 @@ func (r *rpcServer) ForwardingHistory(ctx context.Context, return "", err } - peer, err := r.server.graphDB.FetchLightningNode(nil, vertex) + peer, err := r.server.graphDB.FetchLightningNode(vertex) if err != nil { return "", err } diff --git a/server.go b/server.go index b3852dbcc4..555513406a 100644 --- a/server.go +++ b/server.go @@ -4634,7 +4634,7 @@ func (s *server) fetchNodeAdvertisedAddrs(pub *btcec.PublicKey) ([]net.Addr, err return nil, err } - node, err := s.graphDB.FetchLightningNode(nil, vertex) + node, err := s.graphDB.FetchLightningNode(vertex) if err != nil { return nil, err } From e9c89ae0ec3c846b1fa84a4d879cdf200804a71f Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 14 Jun 2024 20:34:53 -0400 Subject: [PATCH 102/343] multi+refactor: create ForEachNodeChannel with no tx param In prep for a clean Graph DB interface, we add a version of ForEachNodeChannel that does not take in an existing db transaction. --- autopilot/graph.go | 2 +- channeldb/graph.go | 26 +++++++++++++++++++++----- channeldb/graph_test.go | 4 ++-- routing/router.go | 2 +- rpcserver.go | 4 ++-- server.go | 2 +- 6 files changed, 28 insertions(+), 12 deletions(-) diff --git a/autopilot/graph.go b/autopilot/graph.go index 83447af9b6..2ce49c1272 100644 --- a/autopilot/graph.go +++ b/autopilot/graph.go @@ -89,7 +89,7 @@ func (d *dbNode) Addrs() []net.Addr { // // NOTE: Part of the autopilot.Node interface. func (d *dbNode) ForEachChannel(cb func(ChannelEdge) error) error { - return d.db.ForEachNodeChannel(d.tx, d.node.PubKeyBytes, + return d.db.ForEachNodeChannelTx(d.tx, d.node.PubKeyBytes, func(tx kvdb.RTx, ei *models.ChannelEdgeInfo, ep, _ *models.ChannelEdgePolicy) error { diff --git a/channeldb/graph.go b/channeldb/graph.go index a37ea9682c..4146721660 100644 --- a/channeldb/graph.go +++ b/channeldb/graph.go @@ -565,7 +565,7 @@ func (c *ChannelGraph) ForEachNodeCached(cb func(node route.Vertex, return c.ForEachNode(func(tx kvdb.RTx, node *LightningNode) error { channels := make(map[uint64]*DirectedChannel) - err := c.ForEachNodeChannel(tx, node.PubKeyBytes, + err := c.ForEachNodeChannelTx(tx, node.PubKeyBytes, func(tx kvdb.RTx, e *models.ChannelEdgeInfo, p1 *models.ChannelEdgePolicy, p2 *models.ChannelEdgePolicy) error { @@ -2931,7 +2931,7 @@ func (c *ChannelGraph) isPublic(tx kvdb.RTx, nodePub route.Vertex, // used to terminate the check early. nodeIsPublic := false errDone := errors.New("done") - err := c.ForEachNodeChannel(tx, nodePub, func(tx kvdb.RTx, + err := c.ForEachNodeChannelTx(tx, nodePub, func(tx kvdb.RTx, info *models.ChannelEdgeInfo, _ *models.ChannelEdgePolicy, _ *models.ChannelEdgePolicy) error { @@ -3224,13 +3224,29 @@ func nodeTraversal(tx kvdb.RTx, nodePub []byte, db kvdb.Backend, // halted with the error propagated back up to the caller. // // Unknown policies are passed into the callback as nil values. +func (c *ChannelGraph) ForEachNodeChannel(nodePub route.Vertex, + cb func(kvdb.RTx, *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy) error) error { + + return nodeTraversal(nil, nodePub[:], c.db, cb) +} + +// ForEachNodeChannelTx iterates through all channels of the given node, +// executing the passed callback with an edge info structure and the policies +// of each end of the channel. The first edge policy is the outgoing edge *to* +// the connecting node, while the second is the incoming edge *from* the +// connecting node. If the callback returns an error, then the iteration is +// halted with the error propagated back up to the caller. +// +// Unknown policies are passed into the callback as nil values. // // If the caller wishes to re-use an existing boltdb transaction, then it -// should be passed as the first argument. Otherwise the first argument should +// should be passed as the first argument. Otherwise, the first argument should // be nil and a fresh transaction will be created to execute the graph // traversal. -func (c *ChannelGraph) ForEachNodeChannel(tx kvdb.RTx, nodePub route.Vertex, - cb func(kvdb.RTx, *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, +func (c *ChannelGraph) ForEachNodeChannelTx(tx kvdb.RTx, + nodePub route.Vertex, cb func(kvdb.RTx, *models.ChannelEdgeInfo, + *models.ChannelEdgePolicy, *models.ChannelEdgePolicy) error) error { return nodeTraversal(tx, nodePub[:], c.db, cb) diff --git a/channeldb/graph_test.go b/channeldb/graph_test.go index 46bc0d3fda..2568512385 100644 --- a/channeldb/graph_test.go +++ b/channeldb/graph_test.go @@ -1055,7 +1055,7 @@ func TestGraphTraversal(t *testing.T) { // outgoing channels for a particular node. numNodeChans := 0 firstNode, secondNode := nodeList[0], nodeList[1] - err = graph.ForEachNodeChannel(nil, firstNode.PubKeyBytes, + err = graph.ForEachNodeChannel(firstNode.PubKeyBytes, func(_ kvdb.RTx, _ *models.ChannelEdgeInfo, outEdge, inEdge *models.ChannelEdgePolicy) error { @@ -2737,7 +2737,7 @@ func TestIncompleteChannelPolicies(t *testing.T) { // Ensure that channel is reported with unknown policies. checkPolicies := func(node *LightningNode, expectedIn, expectedOut bool) { calls := 0 - err := graph.ForEachNodeChannel(nil, node.PubKeyBytes, + err := graph.ForEachNodeChannel(node.PubKeyBytes, func(_ kvdb.RTx, _ *models.ChannelEdgeInfo, outEdge, inEdge *models.ChannelEdgePolicy) error { diff --git a/routing/router.go b/routing/router.go index c91e0b1879..33f5a7814a 100644 --- a/routing/router.go +++ b/routing/router.go @@ -2937,7 +2937,7 @@ func (r *ChannelRouter) ForEachNode( func (r *ChannelRouter) ForAllOutgoingChannels(cb func(kvdb.RTx, *models.ChannelEdgeInfo, *models.ChannelEdgePolicy) error) error { - return r.cfg.Graph.ForEachNodeChannel(nil, r.cfg.SelfNode, + return r.cfg.Graph.ForEachNodeChannel(r.cfg.SelfNode, func(tx kvdb.RTx, c *models.ChannelEdgeInfo, e *models.ChannelEdgePolicy, _ *models.ChannelEdgePolicy) error { diff --git a/rpcserver.go b/rpcserver.go index 2012e75d9f..011674e6c4 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -6361,7 +6361,7 @@ func (r *rpcServer) GetNodeInfo(ctx context.Context, channels []*lnrpc.ChannelEdge ) - err = graph.ForEachNodeChannel(nil, node.PubKeyBytes, + err = graph.ForEachNodeChannel(node.PubKeyBytes, func(_ kvdb.RTx, edge *models.ChannelEdgeInfo, c1, c2 *models.ChannelEdgePolicy) error { @@ -7014,7 +7014,7 @@ func (r *rpcServer) FeeReport(ctx context.Context, } var feeReports []*lnrpc.ChannelFeeReport - err = channelGraph.ForEachNodeChannel(nil, selfNode.PubKeyBytes, + err = channelGraph.ForEachNodeChannel(selfNode.PubKeyBytes, func(_ kvdb.RTx, chanInfo *models.ChannelEdgeInfo, edgePolicy, _ *models.ChannelEdgePolicy) error { diff --git a/server.go b/server.go index 555513406a..f32fb611e9 100644 --- a/server.go +++ b/server.go @@ -3119,7 +3119,7 @@ func (s *server) establishPersistentConnections() error { // TODO(roasbeef): instead iterate over link nodes and query graph for // each of the nodes. selfPub := s.identityECDH.PubKey().SerializeCompressed() - err = s.graphDB.ForEachNodeChannel(nil, sourceNode.PubKeyBytes, func( + err = s.graphDB.ForEachNodeChannel(sourceNode.PubKeyBytes, func( tx kvdb.RTx, chanInfo *models.ChannelEdgeInfo, policy, _ *models.ChannelEdgePolicy) error { From c1d7a9d2e75b9f0f30fade57ffb05660bb844bbe Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 14 Jun 2024 20:05:20 -0400 Subject: [PATCH 103/343] multi: move ChannelGraphSource interface ... to the new `graph` package in preparation for the implementation of the interface being moved to this new package. --- discovery/gossiper.go | 3 +- discovery/gossiper_test.go | 3 +- graph/interfaces.go | 90 ++++++++++++++++++++++++++++++++++++++ routing/router.go | 79 +-------------------------------- 4 files changed, 96 insertions(+), 79 deletions(-) create mode 100644 graph/interfaces.go diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 8a1c30136f..6786b9db0a 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -20,6 +20,7 @@ import ( "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lnpeer" @@ -169,7 +170,7 @@ type Config struct { // topology of lightning network. After incoming channel, node, channel // updates announcements are validated they are sent to the router in // order to be included in the LN graph. - Router routing.ChannelGraphSource + Router graph.ChannelGraphSource // ChanSeries is an interfaces that provides access to a time series // view of the current known channel graph. Each GossipSyncer enabled diff --git a/discovery/gossiper_test.go b/discovery/gossiper_test.go index a7b8505298..4971e980aa 100644 --- a/discovery/gossiper_test.go +++ b/discovery/gossiper_test.go @@ -25,6 +25,7 @@ import ( "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lnpeer" @@ -108,7 +109,7 @@ func newMockRouter(height uint32) *mockGraphSource { } } -var _ routing.ChannelGraphSource = (*mockGraphSource)(nil) +var _ graph.ChannelGraphSource = (*mockGraphSource)(nil) func (r *mockGraphSource) AddNode(node *channeldb.LightningNode, _ ...batch.SchedulerOption) error { diff --git a/graph/interfaces.go b/graph/interfaces.go new file mode 100644 index 0000000000..b49a07af96 --- /dev/null +++ b/graph/interfaces.go @@ -0,0 +1,90 @@ +package graph + +import ( + "time" + + "github.com/lightningnetwork/lnd/batch" + "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/kvdb" + "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/routing/route" +) + +// ChannelGraphSource represents the source of information about the topology +// of the lightning network. It's responsible for the addition of nodes, edges, +// applying edge updates, and returning the current block height with which the +// topology is synchronized. +// +//nolint:interfacebloat +type ChannelGraphSource interface { + // AddNode is used to add information about a node to the router + // database. If the node with this pubkey is not present in an existing + // channel, it will be ignored. + AddNode(node *channeldb.LightningNode, + op ...batch.SchedulerOption) error + + // AddEdge is used to add edge/channel to the topology of the router, + // after all information about channel will be gathered this + // edge/channel might be used in construction of payment path. + AddEdge(edge *models.ChannelEdgeInfo, + op ...batch.SchedulerOption) error + + // AddProof updates the channel edge info with proof which is needed to + // properly announce the edge to the rest of the network. + AddProof(chanID lnwire.ShortChannelID, + proof *models.ChannelAuthProof) error + + // UpdateEdge is used to update edge information, without this message + // edge considered as not fully constructed. + UpdateEdge(policy *models.ChannelEdgePolicy, + op ...batch.SchedulerOption) error + + // IsStaleNode returns true if the graph source has a node announcement + // for the target node with a more recent timestamp. This method will + // also return true if we don't have an active channel announcement for + // the target node. + IsStaleNode(node route.Vertex, timestamp time.Time) bool + + // IsPublicNode determines whether the given vertex is seen as a public + // node in the graph from the graph's source node's point of view. + IsPublicNode(node route.Vertex) (bool, error) + + // IsKnownEdge returns true if the graph source already knows of the + // passed channel ID either as a live or zombie edge. + IsKnownEdge(chanID lnwire.ShortChannelID) bool + + // IsStaleEdgePolicy returns true if the graph source has a channel + // edge for the passed channel ID (and flags) that have a more recent + // timestamp. + IsStaleEdgePolicy(chanID lnwire.ShortChannelID, timestamp time.Time, + flags lnwire.ChanUpdateChanFlags) bool + + // MarkEdgeLive clears an edge from our zombie index, deeming it as + // live. + MarkEdgeLive(chanID lnwire.ShortChannelID) error + + // ForAllOutgoingChannels is used to iterate over all channels + // emanating from the "source" node which is the center of the + // star-graph. + ForAllOutgoingChannels(cb func(tx kvdb.RTx, + c *models.ChannelEdgeInfo, + e *models.ChannelEdgePolicy) error) error + + // CurrentBlockHeight returns the block height from POV of the router + // subsystem. + CurrentBlockHeight() (uint32, error) + + // GetChannelByID return the channel by the channel id. + GetChannelByID(chanID lnwire.ShortChannelID) ( + *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy, error) + + // FetchLightningNode attempts to look up a target node by its identity + // public key. channeldb.ErrGraphNodeNotFound is returned if the node + // doesn't exist within the graph. + FetchLightningNode(route.Vertex) (*channeldb.LightningNode, error) + + // ForEachNode is used to iterate over every node in the known graph. + ForEachNode(func(node *channeldb.LightningNode) error) error +} diff --git a/routing/router.go b/routing/router.go index 33f5a7814a..f722c26645 100644 --- a/routing/router.go +++ b/routing/router.go @@ -24,6 +24,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" "github.com/lightningnetwork/lnd/fn" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/kvdb" @@ -127,82 +128,6 @@ var ( ErrSkipTempErr = errors.New("cannot skip temp error for non-MPP") ) -// ChannelGraphSource represents the source of information about the topology -// of the lightning network. It's responsible for the addition of nodes, edges, -// applying edge updates, and returning the current block height with which the -// topology is synchronized. -type ChannelGraphSource interface { - // AddNode is used to add information about a node to the router - // database. If the node with this pubkey is not present in an existing - // channel, it will be ignored. - AddNode(node *channeldb.LightningNode, - op ...batch.SchedulerOption) error - - // AddEdge is used to add edge/channel to the topology of the router, - // after all information about channel will be gathered this - // edge/channel might be used in construction of payment path. - AddEdge(edge *models.ChannelEdgeInfo, - op ...batch.SchedulerOption) error - - // AddProof updates the channel edge info with proof which is needed to - // properly announce the edge to the rest of the network. - AddProof(chanID lnwire.ShortChannelID, - proof *models.ChannelAuthProof) error - - // UpdateEdge is used to update edge information, without this message - // edge considered as not fully constructed. - UpdateEdge(policy *models.ChannelEdgePolicy, - op ...batch.SchedulerOption) error - - // IsStaleNode returns true if the graph source has a node announcement - // for the target node with a more recent timestamp. This method will - // also return true if we don't have an active channel announcement for - // the target node. - IsStaleNode(node route.Vertex, timestamp time.Time) bool - - // IsPublicNode determines whether the given vertex is seen as a public - // node in the graph from the graph's source node's point of view. - IsPublicNode(node route.Vertex) (bool, error) - - // IsKnownEdge returns true if the graph source already knows of the - // passed channel ID either as a live or zombie edge. - IsKnownEdge(chanID lnwire.ShortChannelID) bool - - // IsStaleEdgePolicy returns true if the graph source has a channel - // edge for the passed channel ID (and flags) that have a more recent - // timestamp. - IsStaleEdgePolicy(chanID lnwire.ShortChannelID, timestamp time.Time, - flags lnwire.ChanUpdateChanFlags) bool - - // MarkEdgeLive clears an edge from our zombie index, deeming it as - // live. - MarkEdgeLive(chanID lnwire.ShortChannelID) error - - // ForAllOutgoingChannels is used to iterate over all channels - // emanating from the "source" node which is the center of the - // star-graph. - ForAllOutgoingChannels(cb func(tx kvdb.RTx, - c *models.ChannelEdgeInfo, - e *models.ChannelEdgePolicy) error) error - - // CurrentBlockHeight returns the block height from POV of the router - // subsystem. - CurrentBlockHeight() (uint32, error) - - // GetChannelByID return the channel by the channel id. - GetChannelByID(chanID lnwire.ShortChannelID) ( - *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, - *models.ChannelEdgePolicy, error) - - // FetchLightningNode attempts to look up a target node by its identity - // public key. channeldb.ErrGraphNodeNotFound is returned if the node - // doesn't exist within the graph. - FetchLightningNode(route.Vertex) (*channeldb.LightningNode, error) - - // ForEachNode is used to iterate over every node in the known graph. - ForEachNode(func(node *channeldb.LightningNode) error) error -} - // PaymentAttemptDispatcher is used by the router to send payment attempts onto // the network, and receive their results. type PaymentAttemptDispatcher interface { @@ -499,7 +424,7 @@ type ChannelRouter struct { // A compile time check to ensure ChannelRouter implements the // ChannelGraphSource interface. -var _ ChannelGraphSource = (*ChannelRouter)(nil) +var _ graph.ChannelGraphSource = (*ChannelRouter)(nil) // New creates a new instance of the ChannelRouter with the specified // configuration parameters. As part of initialization, if the router detects From be84d6974ee7763af2582c45d97c96f76e1ea668 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 16 Jun 2024 19:00:45 -0400 Subject: [PATCH 104/343] channeldb: add a graph.DB interface ..which describes the database methods that are required for graph maintaining and building. --- graph/interfaces.go | 190 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 190 insertions(+) diff --git a/graph/interfaces.go b/graph/interfaces.go index b49a07af96..7ae79f9a9f 100644 --- a/graph/interfaces.go +++ b/graph/interfaces.go @@ -3,6 +3,8 @@ package graph import ( "time" + "github.com/btcsuite/btcd/chaincfg/chainhash" + "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/batch" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" @@ -88,3 +90,191 @@ type ChannelGraphSource interface { // ForEachNode is used to iterate over every node in the known graph. ForEachNode(func(node *channeldb.LightningNode) error) error } + +// DB is an interface describing a persisted Lightning Network graph. +// +//nolint:interfacebloat +type DB interface { + // PruneTip returns the block height and hash of the latest block that + // has been used to prune channels in the graph. Knowing the "prune tip" + // allows callers to tell if the graph is currently in sync with the + // current best known UTXO state. + PruneTip() (*chainhash.Hash, uint32, error) + + // PruneGraph prunes newly closed channels from the channel graph in + // response to a new block being solved on the network. Any transactions + // which spend the funding output of any known channels within the graph + // will be deleted. Additionally, the "prune tip", or the last block + // which has been used to prune the graph is stored so callers can + // ensure the graph is fully in sync with the current UTXO state. A + // slice of channels that have been closed by the target block are + // returned if the function succeeds without error. + PruneGraph(spentOutputs []*wire.OutPoint, blockHash *chainhash.Hash, + blockHeight uint32) ([]*models.ChannelEdgeInfo, error) + + // ChannelView returns the verifiable edge information for each active + // channel within the known channel graph. The set of UTXO's (along with + // their scripts) returned are the ones that need to be watched on + // chain to detect channel closes on the resident blockchain. + ChannelView() ([]channeldb.EdgePoint, error) + + // PruneGraphNodes is a garbage collection method which attempts to + // prune out any nodes from the channel graph that are currently + // unconnected. This ensure that we only maintain a graph of reachable + // nodes. In the event that a pruned node gains more channels, it will + // be re-added back to the graph. + PruneGraphNodes() error + + // SourceNode returns the source node of the graph. The source node is + // treated as the center node within a star-graph. This method may be + // used to kick off a path finding algorithm in order to explore the + // reachability of another node based off the source node. + SourceNode() (*channeldb.LightningNode, error) + + // DisabledChannelIDs returns the channel ids of disabled channels. + // A channel is disabled when two of the associated ChanelEdgePolicies + // have their disabled bit on. + DisabledChannelIDs() ([]uint64, error) + + // FetchChanInfos returns the set of channel edges that correspond to + // the passed channel ID's. If an edge is the query is unknown to the + // database, it will skipped and the result will contain only those + // edges that exist at the time of the query. This can be used to + // respond to peer queries that are seeking to fill in gaps in their + // view of the channel graph. + FetchChanInfos(chanIDs []uint64) ([]channeldb.ChannelEdge, error) + + // ChanUpdatesInHorizon returns all the known channel edges which have + // at least one edge that has an update timestamp within the specified + // horizon. + ChanUpdatesInHorizon(startTime, endTime time.Time) ( + []channeldb.ChannelEdge, error) + + // DeleteChannelEdges removes edges with the given channel IDs from the + // database and marks them as zombies. This ensures that we're unable to + // re-add it to our database once again. If an edge does not exist + // within the database, then ErrEdgeNotFound will be returned. If + // strictZombiePruning is true, then when we mark these edges as + // zombies, we'll set up the keys such that we require the node that + // failed to send the fresh update to be the one that resurrects the + // channel from its zombie state. The markZombie bool denotes whether + // to mark the channel as a zombie. + DeleteChannelEdges(strictZombiePruning, markZombie bool, + chanIDs ...uint64) error + + // DisconnectBlockAtHeight is used to indicate that the block specified + // by the passed height has been disconnected from the main chain. This + // will "rewind" the graph back to the height below, deleting channels + // that are no longer confirmed from the graph. The prune log will be + // set to the last prune height valid for the remaining chain. + // Channels that were removed from the graph resulting from the + // disconnected block are returned. + DisconnectBlockAtHeight(height uint32) ([]*models.ChannelEdgeInfo, + error) + + // HasChannelEdge returns true if the database knows of a channel edge + // with the passed channel ID, and false otherwise. If an edge with that + // ID is found within the graph, then two time stamps representing the + // last time the edge was updated for both directed edges are returned + // along with the boolean. If it is not found, then the zombie index is + // checked and its result is returned as the second boolean. + HasChannelEdge(chanID uint64) (time.Time, time.Time, bool, bool, error) + + // FetchChannelEdgesByID attempts to lookup the two directed edges for + // the channel identified by the channel ID. If the channel can't be + // found, then ErrEdgeNotFound is returned. A struct which houses the + // general information for the channel itself is returned as well as + // two structs that contain the routing policies for the channel in + // either direction. + // + // ErrZombieEdge an be returned if the edge is currently marked as a + // zombie within the database. In this case, the ChannelEdgePolicy's + // will be nil, and the ChannelEdgeInfo will only include the public + // keys of each node. + FetchChannelEdgesByID(chanID uint64) (*models.ChannelEdgeInfo, + *models.ChannelEdgePolicy, *models.ChannelEdgePolicy, error) + + // AddLightningNode adds a vertex/node to the graph database. If the + // node is not in the database from before, this will add a new, + // unconnected one to the graph. If it is present from before, this will + // update that node's information. Note that this method is expected to + // only be called to update an already present node from a node + // announcement, or to insert a node found in a channel update. + AddLightningNode(node *channeldb.LightningNode, + op ...batch.SchedulerOption) error + + // AddChannelEdge adds a new (undirected, blank) edge to the graph + // database. An undirected edge from the two target nodes are created. + // The information stored denotes the static attributes of the channel, + // such as the channelID, the keys involved in creation of the channel, + // and the set of features that the channel supports. The chanPoint and + // chanID are used to uniquely identify the edge globally within the + // database. + AddChannelEdge(edge *models.ChannelEdgeInfo, + op ...batch.SchedulerOption) error + + // MarkEdgeZombie attempts to mark a channel identified by its channel + // ID as a zombie. This method is used on an ad-hoc basis, when channels + // need to be marked as zombies outside the normal pruning cycle. + MarkEdgeZombie(chanID uint64, pubKey1, pubKey2 [33]byte) error + + // UpdateEdgePolicy updates the edge routing policy for a single + // directed edge within the database for the referenced channel. The + // `flags` attribute within the ChannelEdgePolicy determines which of + // the directed edges are being updated. If the flag is 1, then the + // first node's information is being updated, otherwise it's the second + // node's information. The node ordering is determined by the + // lexicographical ordering of the identity public keys of the nodes on + // either side of the channel. + UpdateEdgePolicy(edge *models.ChannelEdgePolicy, + op ...batch.SchedulerOption) error + + // HasLightningNode determines if the graph has a vertex identified by + // the target node identity public key. If the node exists in the + // database, a timestamp of when the data for the node was lasted + // updated is returned along with a true boolean. Otherwise, an empty + // time.Time is returned with a false boolean. + HasLightningNode(nodePub [33]byte) (time.Time, bool, error) + + // FetchLightningNode attempts to look up a target node by its identity + // public key. If the node isn't found in the database, then + // ErrGraphNodeNotFound is returned. + FetchLightningNode(nodePub route.Vertex) (*channeldb.LightningNode, + error) + + // ForEachNode iterates through all the stored vertices/nodes in the + // graph, executing the passed callback with each node encountered. If + // the callback returns an error, then the transaction is aborted and + // the iteration stops early. + ForEachNode(cb func(kvdb.RTx, *channeldb.LightningNode) error) error + + // ForEachNodeChannel iterates through all channels of the given node, + // executing the passed callback with an edge info structure and the + // policies of each end of the channel. The first edge policy is the + // outgoing edge *to* the connecting node, while the second is the + // incoming edge *from* the connecting node. If the callback returns an + // error, then the iteration is halted with the error propagated back up + // to the caller. + // + // Unknown policies are passed into the callback as nil values. + ForEachNodeChannel(nodePub route.Vertex, cb func(kvdb.RTx, + *models.ChannelEdgeInfo, + *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy) error) error + + // UpdateChannelEdge retrieves and update edge of the graph database. + // Method only reserved for updating an edge info after its already been + // created. In order to maintain this constraints, we return an error in + // the scenario that an edge info hasn't yet been created yet, but + // someone attempts to update it. + UpdateChannelEdge(edge *models.ChannelEdgeInfo) error + + // IsPublicNode is a helper method that determines whether the node with + // the given public key is seen as a public node in the graph from the + // graph's source node's point of view. + IsPublicNode(pubKey [33]byte) (bool, error) + + // MarkEdgeLive clears an edge from our zombie index, deeming it as + // live. + MarkEdgeLive(chanID uint64) error +} From 30e6671a130ea072b89e529f9592e693be4eddff Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 16 Jun 2024 19:02:55 -0400 Subject: [PATCH 105/343] routing: use new graph.DB interface in ChannelRouter --- routing/notifications.go | 3 ++- routing/router.go | 3 +-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/routing/notifications.go b/routing/notifications.go index 3afbb15330..7263b9a47c 100644 --- a/routing/notifications.go +++ b/routing/notifications.go @@ -13,6 +13,7 @@ import ( "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/lnwire" ) @@ -313,7 +314,7 @@ type ChannelEdgeUpdate struct { // constitutes. This function will also fetch any required auxiliary // information required to create the topology change update from the graph // database. -func addToTopologyChange(graph *channeldb.ChannelGraph, update *TopologyChange, +func addToTopologyChange(graph graph.DB, update *TopologyChange, msg interface{}) error { switch m := msg.(type) { diff --git a/routing/router.go b/routing/router.go index f722c26645..276744d1b3 100644 --- a/routing/router.go +++ b/routing/router.go @@ -253,8 +253,7 @@ type Config struct { // Graph is the channel graph that the ChannelRouter will use to gather // metrics from and also to carry out path finding queries. - // TODO(roasbeef): make into an interface - Graph *channeldb.ChannelGraph + Graph graph.DB // Chain is the router's source to the most up-to-date blockchain data. // All incoming advertised channels will be checked against the chain From 0b7364f54bd204fc9a007df90dce62a7b85176e8 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 16 Jun 2024 19:15:05 -0400 Subject: [PATCH 106/343] graph+server: add template for new graph Builder sub-system This is preparation for an upcoming commit that will move over various responsibilities from the ChannelRouter to the graph Builder. So that that commit can be a pure code-move commit, the template for the new sub-system is added up front here. --- graph/builder.go | 57 ++++++++++++++++++++++++++++++++++++++++++++++++ graph/log.go | 47 +++++++++++++++++++++++++++++++++++++++ log.go | 2 ++ server.go | 14 ++++++++++++ 4 files changed, 120 insertions(+) create mode 100644 graph/builder.go create mode 100644 graph/log.go diff --git a/graph/builder.go b/graph/builder.go new file mode 100644 index 0000000000..633e33bd18 --- /dev/null +++ b/graph/builder.go @@ -0,0 +1,57 @@ +package graph + +import ( + "sync" + "sync/atomic" +) + +// Config holds the configuration required by the Builder. +type Config struct{} + +// Builder builds and maintains a view of the Lightning Network graph. +type Builder struct { + started atomic.Bool + stopped atomic.Bool + + cfg *Config + + quit chan struct{} + wg sync.WaitGroup +} + +// NewBuilder constructs a new Builder. +func NewBuilder(cfg *Config) (*Builder, error) { + return &Builder{ + cfg: cfg, + quit: make(chan struct{}), + }, nil +} + +// Start launches all the goroutines the Builder requires to carry out its +// duties. If the builder has already been started, then this method is a noop. +func (b *Builder) Start() error { + if !b.started.CompareAndSwap(false, true) { + return nil + } + + log.Info("Builder starting") + + return nil +} + +// Stop signals to the Builder that it should halt all routines. This method +// will *block* until all goroutines have excited. If the builder has already +// stopped then this method will return immediately. +func (b *Builder) Stop() error { + if !b.stopped.CompareAndSwap(false, true) { + return nil + } + + log.Info("Builder shutting down...") + defer log.Debug("Builder shutdown complete") + + close(b.quit) + b.wg.Wait() + + return nil +} diff --git a/graph/log.go b/graph/log.go new file mode 100644 index 0000000000..2bd55297a0 --- /dev/null +++ b/graph/log.go @@ -0,0 +1,47 @@ +package graph + +import ( + "github.com/btcsuite/btclog" + "github.com/lightningnetwork/lnd/build" +) + +// log is a logger that is initialized with no output filters. This means the +// package will not perform any logging by default until the caller requests +// it. +var log btclog.Logger + +const Subsystem = "GRPH" + +// The default amount of logging is none. +func init() { + UseLogger(build.NewSubLogger(Subsystem, nil)) +} + +// DisableLog disables all library log output. Logging output is disabled by +// by default until UseLogger is called. +func DisableLog() { + UseLogger(btclog.Disabled) +} + +// UseLogger uses a specified Logger to output package logging info. This +// should be used in preference to SetLogWriter if the caller is also using +// btclog. +func UseLogger(logger btclog.Logger) { + log = logger +} + +// logClosure is used to provide a closure over expensive logging operations so +// don't have to be performed when the logging level doesn't warrant it. +type logClosure func() string + +// String invokes the underlying function and returns the result. +func (c logClosure) String() string { + return c() +} + +// newLogClosure returns a new closure over a function that returns a string +// which itself provides a Stringer interface so that it can be used with the +// logging system. +func newLogClosure(c func() string) logClosure { + return logClosure(c) +} diff --git a/log.go b/log.go index f6da0235a9..1b170f5ea8 100644 --- a/log.go +++ b/log.go @@ -18,6 +18,7 @@ import ( "github.com/lightningnetwork/lnd/contractcourt" "github.com/lightningnetwork/lnd/discovery" "github.com/lightningnetwork/lnd/funding" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/healthcheck" "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/invoices" @@ -179,6 +180,7 @@ func SetupLoggers(root *build.RotatingLogWriter, interceptor signal.Interceptor) AddSubLogger(root, btcwallet.Subsystem, interceptor, btcwallet.UseLogger) AddSubLogger(root, rpcwallet.Subsystem, interceptor, rpcwallet.UseLogger) AddSubLogger(root, peersrpc.Subsystem, interceptor, peersrpc.UseLogger) + AddSubLogger(root, graph.Subsystem, interceptor, graph.UseLogger) } // AddSubLogger is a helper method to conveniently create and register the diff --git a/server.go b/server.go index f32fb611e9..17108ee469 100644 --- a/server.go +++ b/server.go @@ -41,6 +41,7 @@ import ( "github.com/lightningnetwork/lnd/feature" "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/funding" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/healthcheck" "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/htlcswitch/hop" @@ -271,6 +272,8 @@ type server struct { missionControl *routing.MissionControl + graphBuilder *graph.Builder + chanRouter *routing.ChannelRouter controlTower routing.ControlTower @@ -973,6 +976,11 @@ func newServer(cfg *Config, listenAddrs []net.Addr, strictPruning := cfg.Bitcoin.Node == "neutrino" || cfg.Routing.StrictZombiePruning + s.graphBuilder, err = graph.NewBuilder(&graph.Config{}) + if err != nil { + return nil, fmt.Errorf("can't create graph builder: %w", err) + } + s.chanRouter, err = routing.New(routing.Config{ SelfNode: selfNode.PubKeyBytes, RoutingGraph: graphsession.NewRoutingGraph(chanGraph), @@ -2019,6 +2027,12 @@ func (s *server) Start() error { } cleanup = cleanup.add(s.authGossiper.Stop) + if err := s.graphBuilder.Start(); err != nil { + startErr = err + return + } + cleanup = cleanup.add(s.graphBuilder.Stop) + if err := s.chanRouter.Start(); err != nil { startErr = err return From 7f1be39d45574962a6a7a4379eca4e318913d5fc Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 16 Jun 2024 19:30:01 -0400 Subject: [PATCH 107/343] refactor: move various duties from ChannelRouter to graph.Builder This commit is a large refactor that moves over various responsibilities from the ChannelRouter to the graph.Builder. These include all graph related tasks such as: - graph pruning - validation of new network updates & persisting new updates - notifying topology update clients of any changes. This is a large commit but: - many of the files are purely moved from `routing` to `graph` - the business logic put in the graph Builder is copied exactly as is from the ChannelRouter with one exception: - The ChannelRouter just needs to be able to call the Builder's `ApplyChannelUpdate` method. So this is now exported and provided to the ChannelRouter as a config option. - The trickiest part was just moving over the test code since quite a bit had to be duplicated. --- autopilot/manager.go | 4 +- discovery/chan_series.go | 6 +- discovery/gossiper.go | 43 +- discovery/gossiper_test.go | 5 +- funding/manager.go | 26 +- {routing => graph}/ann_validation.go | 2 +- graph/builder.go | 1757 ++++++++- graph/builder_test.go | 2051 ++++++++++ {routing => graph}/errors.go | 20 +- {routing => graph}/notifications.go | 25 +- {routing => graph}/notifications_test.go | 303 +- graph/setup_test.go | 11 + {routing => graph}/stats.go | 2 +- graph/testdata/basic_graph.json | 298 ++ graph/testdata/spec_example.json | 147 + {routing => graph}/validation_barrier.go | 2 +- {routing => graph}/validation_barrier_test.go | 18 +- netann/channel_update_test.go | 4 +- pilot.go | 2 +- routing/pathfind_test.go | 125 +- routing/payment_lifecycle.go | 2 +- routing/payment_session.go | 3 +- routing/router.go | 2004 +--------- routing/router_test.go | 3304 +++++------------ rpcserver.go | 11 +- server.go | 48 +- 26 files changed, 5741 insertions(+), 4482 deletions(-) rename {routing => graph}/ann_validation.go (99%) create mode 100644 graph/builder_test.go rename {routing => graph}/errors.go (80%) rename {routing => graph}/notifications.go (95%) rename {routing => graph}/notifications_test.go (78%) create mode 100644 graph/setup_test.go rename {routing => graph}/stats.go (98%) create mode 100644 graph/testdata/basic_graph.json create mode 100644 graph/testdata/spec_example.json rename {routing => graph}/validation_barrier.go (99%) rename {routing => graph}/validation_barrier_test.go (91%) diff --git a/autopilot/manager.go b/autopilot/manager.go index e5999f5182..dba4cc6cc5 100644 --- a/autopilot/manager.go +++ b/autopilot/manager.go @@ -6,9 +6,9 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/wire" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" - "github.com/lightningnetwork/lnd/routing" ) // ManagerCfg houses a set of values and methods that is passed to the Manager @@ -36,7 +36,7 @@ type ManagerCfg struct { // SubscribeTopology is used to get a subscription for topology changes // on the network. - SubscribeTopology func() (*routing.TopologyClient, error) + SubscribeTopology func() (*graph.TopologyClient, error) } // Manager is struct that manages an autopilot agent, making it possible to diff --git a/discovery/chan_series.go b/discovery/chan_series.go index 34e6d4a9db..8cbca1277d 100644 --- a/discovery/chan_series.go +++ b/discovery/chan_series.go @@ -5,9 +5,9 @@ import ( "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/netann" - "github.com/lightningnetwork/lnd/routing" "github.com/lightningnetwork/lnd/routing/route" ) @@ -136,7 +136,7 @@ func (c *ChanSeries) UpdatesInHorizon(chain chainhash.Hash, if edge1 != nil { // We don't want to send channel updates that don't // conform to the spec (anymore). - err := routing.ValidateChannelUpdateFields(0, edge1) + err := graph.ValidateChannelUpdateFields(0, edge1) if err != nil { log.Errorf("not sending invalid channel "+ "update %v: %v", edge1, err) @@ -145,7 +145,7 @@ func (c *ChanSeries) UpdatesInHorizon(chain chainhash.Hash, } } if edge2 != nil { - err := routing.ValidateChannelUpdateFields(0, edge2) + err := graph.ValidateChannelUpdateFields(0, edge2) if err != nil { log.Errorf("not sending invalid channel "+ "update %v: %v", edge2, err) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 6786b9db0a..752ee7446c 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -29,7 +29,6 @@ import ( "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/multimutex" "github.com/lightningnetwork/lnd/netann" - "github.com/lightningnetwork/lnd/routing" "github.com/lightningnetwork/lnd/routing/route" "github.com/lightningnetwork/lnd/ticker" "golang.org/x/time/rate" @@ -1361,7 +1360,7 @@ func (d *AuthenticatedGossiper) networkHandler() { // We'll use this validation to ensure that we process jobs in their // dependency order during parallel validation. - validationBarrier := routing.NewValidationBarrier(1000, d.quit) + validationBarrier := graph.NewValidationBarrier(1000, d.quit) for { select { @@ -1486,7 +1485,7 @@ func (d *AuthenticatedGossiper) networkHandler() { // // NOTE: must be run as a goroutine. func (d *AuthenticatedGossiper) handleNetworkMessages(nMsg *networkMsg, - deDuped *deDupedAnnouncements, vb *routing.ValidationBarrier) { + deDuped *deDupedAnnouncements, vb *graph.ValidationBarrier) { defer d.wg.Done() defer vb.CompleteJob() @@ -1502,10 +1501,10 @@ func (d *AuthenticatedGossiper) handleNetworkMessages(nMsg *networkMsg, log.Debugf("Validating network message %s got err: %v", nMsg.msg.MsgType(), err) - if !routing.IsError( + if !graph.IsError( err, - routing.ErrVBarrierShuttingDown, - routing.ErrParentValidationFailed, + graph.ErrVBarrierShuttingDown, + graph.ErrParentValidationFailed, ) { log.Warnf("unexpected error during validation "+ @@ -1861,7 +1860,7 @@ func (d *AuthenticatedGossiper) processRejectedEdge( if err != nil { return nil, err } - err = routing.ValidateChannelAnn(chanAnn) + err = graph.ValidateChannelAnn(chanAnn) if err != nil { err := fmt.Errorf("assembled channel announcement proof "+ "for shortChanID=%v isn't valid: %v", @@ -1910,7 +1909,7 @@ func (d *AuthenticatedGossiper) processRejectedEdge( func (d *AuthenticatedGossiper) addNode(msg *lnwire.NodeAnnouncement, op ...batch.SchedulerOption) error { - if err := routing.ValidateNodeAnn(msg); err != nil { + if err := graph.ValidateNodeAnn(msg); err != nil { return fmt.Errorf("unable to validate node announcement: %w", err) } @@ -2064,7 +2063,7 @@ func (d *AuthenticatedGossiper) processZombieUpdate( "with chan_id=%v", msg.ShortChannelID) } - err := routing.VerifyChannelUpdateSignature(msg, pubKey) + err := graph.VerifyChannelUpdateSignature(msg, pubKey) if err != nil { return fmt.Errorf("unable to verify channel "+ "update signature: %v", err) @@ -2201,7 +2200,7 @@ func (d *AuthenticatedGossiper) updateChannel(info *models.ChannelEdgeInfo, // To ensure that our signature is valid, we'll verify it ourself // before committing it to the slice returned. - err = routing.ValidateChannelUpdateAnn(d.selfKey, info.Capacity, chanUpdate) + err = graph.ValidateChannelUpdateAnn(d.selfKey, info.Capacity, chanUpdate) if err != nil { return nil, nil, fmt.Errorf("generated invalid channel "+ "update sig: %v", err) @@ -2338,11 +2337,11 @@ func (d *AuthenticatedGossiper) handleNodeAnnouncement(nMsg *networkMsg, log.Debugf("Adding node: %x got error: %v", nodeAnn.NodeID, err) - if !routing.IsError( + if !graph.IsError( err, - routing.ErrOutdated, - routing.ErrIgnored, - routing.ErrVBarrierShuttingDown, + graph.ErrOutdated, + graph.ErrIgnored, + graph.ErrVBarrierShuttingDown, ) { log.Error(err) @@ -2457,7 +2456,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // the signatures within the proof as it should be well formed. var proof *models.ChannelAuthProof if nMsg.isRemote { - if err := routing.ValidateChannelAnn(ann); err != nil { + if err := graph.ValidateChannelAnn(ann); err != nil { err := fmt.Errorf("unable to validate announcement: "+ "%v", err) @@ -2538,7 +2537,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // If the edge was rejected due to already being known, then it // may be the case that this new message has a fresh channel // proof, so we'll check. - if routing.IsError(err, routing.ErrIgnored) { + if graph.IsError(err, graph.ErrIgnored) { // Attempt to process the rejected message to see if we // get any new announcements. anns, rErr := d.processRejectedEdge(ann, proof) @@ -2862,7 +2861,7 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, // Validate the channel announcement with the expected public key and // channel capacity. In the case of an invalid channel update, we'll // return an error to the caller and exit early. - err = routing.ValidateChannelUpdateAnn(pubKey, chanInfo.Capacity, upd) + err = graph.ValidateChannelUpdateAnn(pubKey, chanInfo.Capacity, upd) if err != nil { rErr := fmt.Errorf("unable to validate channel update "+ "announcement for short_chan_id=%v: %v", @@ -2947,10 +2946,10 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, } if err := d.cfg.Router.UpdateEdge(update, ops...); err != nil { - if routing.IsError( - err, routing.ErrOutdated, - routing.ErrIgnored, - routing.ErrVBarrierShuttingDown, + if graph.IsError( + err, graph.ErrOutdated, + graph.ErrIgnored, + graph.ErrVBarrierShuttingDown, ) { log.Debugf("Update edge for short_chan_id(%v) got: %v", @@ -3268,7 +3267,7 @@ func (d *AuthenticatedGossiper) handleAnnSig(nMsg *networkMsg, // With all the necessary components assembled validate the full // channel announcement proof. - if err := routing.ValidateChannelAnn(chanAnn); err != nil { + if err := graph.ValidateChannelAnn(chanAnn); err != nil { err := fmt.Errorf("channel announcement proof for "+ "short_chan_id=%v isn't valid: %v", shortChanID, err) diff --git a/discovery/gossiper_test.go b/discovery/gossiper_test.go index 4971e980aa..33d87416ac 100644 --- a/discovery/gossiper_test.go +++ b/discovery/gossiper_test.go @@ -33,7 +33,6 @@ import ( "github.com/lightningnetwork/lnd/lntest/wait" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/netann" - "github.com/lightningnetwork/lnd/routing" "github.com/lightningnetwork/lnd/routing/route" "github.com/lightningnetwork/lnd/ticker" "github.com/stretchr/testify/require" @@ -351,7 +350,7 @@ func (r *mockGraphSource) IsStaleEdgePolicy(chanID lnwire.ShortChannelID, // Since it exists within our zombie index, we'll check that it // respects the router's live edge horizon to determine whether // it is stale or not. - return time.Since(timestamp) > routing.DefaultChannelPruneExpiry + return time.Since(timestamp) > graph.DefaultChannelPruneExpiry } switch { @@ -2258,7 +2257,7 @@ func TestProcessZombieEdgeNowLive(t *testing.T) { // We'll generate a channel update with a timestamp far enough in the // past to consider it a zombie. - zombieTimestamp := time.Now().Add(-routing.DefaultChannelPruneExpiry) + zombieTimestamp := time.Now().Add(-graph.DefaultChannelPruneExpiry) batch.chanUpdAnn2.Timestamp = uint32(zombieTimestamp.Unix()) if err := signUpdate(remoteKeyPriv2, batch.chanUpdAnn2); err != nil { t.Fatalf("unable to sign update with new timestamp: %v", err) diff --git a/funding/manager.go b/funding/manager.go index 67e4f33c5c..70d5cd9c43 100644 --- a/funding/manager.go +++ b/funding/manager.go @@ -23,6 +23,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/discovery" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/labels" @@ -33,7 +34,6 @@ import ( "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwallet/chanfunding" "github.com/lightningnetwork/lnd/lnwire" - "github.com/lightningnetwork/lnd/routing" "golang.org/x/crypto/salsa20" ) @@ -3415,10 +3415,10 @@ func (f *Manager) addToRouterGraph(completeChan *channeldb.OpenChannel, select { case err := <-errChan: if err != nil { - if routing.IsError(err, routing.ErrOutdated, - routing.ErrIgnored) { + if graph.IsError(err, graph.ErrOutdated, + graph.ErrIgnored) { - log.Debugf("Router rejected "+ + log.Debugf("Graph rejected "+ "ChannelAnnouncement: %v", err) } else { return fmt.Errorf("error sending channel "+ @@ -3435,10 +3435,10 @@ func (f *Manager) addToRouterGraph(completeChan *channeldb.OpenChannel, select { case err := <-errChan: if err != nil { - if routing.IsError(err, routing.ErrOutdated, - routing.ErrIgnored) { + if graph.IsError(err, graph.ErrOutdated, + graph.ErrIgnored) { - log.Debugf("Router rejected "+ + log.Debugf("Graph rejected "+ "ChannelUpdate: %v", err) } else { return fmt.Errorf("error sending channel "+ @@ -4354,10 +4354,10 @@ func (f *Manager) announceChannel(localIDKey, remoteIDKey *btcec.PublicKey, select { case err := <-errChan: if err != nil { - if routing.IsError(err, routing.ErrOutdated, - routing.ErrIgnored) { + if graph.IsError(err, graph.ErrOutdated, + graph.ErrIgnored) { - log.Debugf("Router rejected "+ + log.Debugf("Graph rejected "+ "AnnounceSignatures: %v", err) } else { log.Errorf("Unable to send channel "+ @@ -4384,10 +4384,10 @@ func (f *Manager) announceChannel(localIDKey, remoteIDKey *btcec.PublicKey, select { case err := <-errChan: if err != nil { - if routing.IsError(err, routing.ErrOutdated, - routing.ErrIgnored) { + if graph.IsError(err, graph.ErrOutdated, + graph.ErrIgnored) { - log.Debugf("Router rejected "+ + log.Debugf("Graph rejected "+ "NodeAnnouncement: %v", err) } else { log.Errorf("Unable to send node "+ diff --git a/routing/ann_validation.go b/graph/ann_validation.go similarity index 99% rename from routing/ann_validation.go rename to graph/ann_validation.go index aca071e17e..3936b4652f 100644 --- a/routing/ann_validation.go +++ b/graph/ann_validation.go @@ -1,4 +1,4 @@ -package routing +package graph import ( "bytes" diff --git a/graph/builder.go b/graph/builder.go index 633e33bd18..4a3445cfc4 100644 --- a/graph/builder.go +++ b/graph/builder.go @@ -1,29 +1,183 @@ package graph import ( + "bytes" + "fmt" + "runtime" + "strings" "sync" "sync/atomic" + "time" + + "github.com/btcsuite/btcd/btcec/v2" + "github.com/btcsuite/btcd/btcutil" + "github.com/btcsuite/btcd/wire" + "github.com/davecgh/go-spew/spew" + "github.com/go-errors/errors" + "github.com/lightningnetwork/lnd/batch" + "github.com/lightningnetwork/lnd/chainntnfs" + "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/kvdb" + "github.com/lightningnetwork/lnd/lnutils" + "github.com/lightningnetwork/lnd/lnwallet" + "github.com/lightningnetwork/lnd/lnwallet/btcwallet" + "github.com/lightningnetwork/lnd/lnwallet/chanvalidate" + "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/multimutex" + "github.com/lightningnetwork/lnd/routing/chainview" + "github.com/lightningnetwork/lnd/routing/route" + "github.com/lightningnetwork/lnd/ticker" +) + +const ( + // DefaultChannelPruneExpiry is the default duration used to determine + // if a channel should be pruned or not. + DefaultChannelPruneExpiry = time.Hour * 24 * 14 + + // DefaultFirstTimePruneDelay is the time we'll wait after startup + // before attempting to prune the graph for zombie channels. We don't + // do it immediately after startup to allow lnd to start up without + // getting blocked by this job. + DefaultFirstTimePruneDelay = 30 * time.Second + + // defaultStatInterval governs how often the router will log non-empty + // stats related to processing new channels, updates, or node + // announcements. + defaultStatInterval = time.Minute +) + +var ( + // ErrGraphBuilderShuttingDown is returned if the graph builder is in + // the process of shutting down. + ErrGraphBuilderShuttingDown = fmt.Errorf("graph builder shutting down") ) // Config holds the configuration required by the Builder. -type Config struct{} +type Config struct { + // SelfNode is the public key of the node that this channel router + // belongs to. + SelfNode route.Vertex + + // Graph is the channel graph that the ChannelRouter will use to gather + // metrics from and also to carry out path finding queries. + Graph DB + + // Chain is the router's source to the most up-to-date blockchain data. + // All incoming advertised channels will be checked against the chain + // to ensure that the channels advertised are still open. + Chain lnwallet.BlockChainIO + + // ChainView is an instance of a FilteredChainView which is used to + // watch the sub-set of the UTXO set (the set of active channels) that + // we need in order to properly maintain the channel graph. + ChainView chainview.FilteredChainView + + // Notifier is a reference to the ChainNotifier, used to grab + // the latest blocks if the router is missing any. + Notifier chainntnfs.ChainNotifier + + // ChannelPruneExpiry is the duration used to determine if a channel + // should be pruned or not. If the delta between now and when the + // channel was last updated is greater than ChannelPruneExpiry, then + // the channel is marked as a zombie channel eligible for pruning. + ChannelPruneExpiry time.Duration + + // GraphPruneInterval is used as an interval to determine how often we + // should examine the channel graph to garbage collect zombie channels. + GraphPruneInterval time.Duration + + // FirstTimePruneDelay is the time we'll wait after startup before + // attempting to prune the graph for zombie channels. We don't do it + // immediately after startup to allow lnd to start up without getting + // blocked by this job. + FirstTimePruneDelay time.Duration + + // AssumeChannelValid toggles whether the router will check for + // spentness of channel outpoints. For neutrino, this saves long rescans + // from blocking initial usage of the daemon. + AssumeChannelValid bool + + // StrictZombiePruning determines if we attempt to prune zombie + // channels according to a stricter criteria. If true, then we'll prune + // a channel if only *one* of the edges is considered a zombie. + // Otherwise, we'll only prune the channel when both edges have a very + // dated last update. + StrictZombiePruning bool + + // IsAlias returns whether a passed ShortChannelID is an alias. This is + // only used for our local channels. + IsAlias func(scid lnwire.ShortChannelID) bool +} // Builder builds and maintains a view of the Lightning Network graph. type Builder struct { started atomic.Bool stopped atomic.Bool + ntfnClientCounter uint64 // To be used atomically. + bestHeight uint32 // To be used atomically. + cfg *Config + // newBlocks is a channel in which new blocks connected to the end of + // the main chain are sent over, and blocks updated after a call to + // UpdateFilter. + newBlocks <-chan *chainview.FilteredBlock + + // staleBlocks is a channel in which blocks disconnected from the end + // of our currently known best chain are sent over. + staleBlocks <-chan *chainview.FilteredBlock + + // networkUpdates is a channel that carries new topology updates + // messages from outside the Builder to be processed by the + // networkHandler. + networkUpdates chan *routingMsg + + // topologyClients maps a client's unique notification ID to a + // topologyClient client that contains its notification dispatch + // channel. + topologyClients *lnutils.SyncMap[uint64, *topologyClient] + + // ntfnClientUpdates is a channel that's used to send new updates to + // topology notification clients to the Builder. Updates either + // add a new notification client, or cancel notifications for an + // existing client. + ntfnClientUpdates chan *topologyClientUpdate + + // channelEdgeMtx is a mutex we use to make sure we process only one + // ChannelEdgePolicy at a time for a given channelID, to ensure + // consistency between the various database accesses. + channelEdgeMtx *multimutex.Mutex[uint64] + + // statTicker is a resumable ticker that logs the router's progress as + // it discovers channels or receives updates. + statTicker ticker.Ticker + + // stats tracks newly processed channels, updates, and node + // announcements over a window of defaultStatInterval. + stats *routerStats + quit chan struct{} wg sync.WaitGroup } +// A compile time check to ensure Builder implements the +// ChannelGraphSource interface. +var _ ChannelGraphSource = (*Builder)(nil) + // NewBuilder constructs a new Builder. func NewBuilder(cfg *Config) (*Builder, error) { return &Builder{ - cfg: cfg, - quit: make(chan struct{}), + cfg: cfg, + networkUpdates: make(chan *routingMsg), + topologyClients: &lnutils.SyncMap[uint64, *topologyClient]{}, + ntfnClientUpdates: make(chan *topologyClientUpdate), + channelEdgeMtx: multimutex.NewMutex[uint64](), + statTicker: ticker.New(defaultStatInterval), + stats: new(routerStats), + quit: make(chan struct{}), }, nil } @@ -36,6 +190,114 @@ func (b *Builder) Start() error { log.Info("Builder starting") + bestHash, bestHeight, err := b.cfg.Chain.GetBestBlock() + if err != nil { + return err + } + + // If the graph has never been pruned, or hasn't fully been created yet, + // then we don't treat this as an explicit error. + if _, _, err := b.cfg.Graph.PruneTip(); err != nil { + switch { + case errors.Is(err, channeldb.ErrGraphNeverPruned): + fallthrough + + case errors.Is(err, channeldb.ErrGraphNotFound): + // If the graph has never been pruned, then we'll set + // the prune height to the current best height of the + // chain backend. + _, err = b.cfg.Graph.PruneGraph( + nil, bestHash, uint32(bestHeight), + ) + if err != nil { + return err + } + + default: + return err + } + } + + // If AssumeChannelValid is present, then we won't rely on pruning + // channels from the graph based on their spentness, but whether they + // are considered zombies or not. We will start zombie pruning after a + // small delay, to avoid slowing down startup of lnd. + if b.cfg.AssumeChannelValid { + time.AfterFunc(b.cfg.FirstTimePruneDelay, func() { + select { + case <-b.quit: + return + default: + } + + log.Info("Initial zombie prune starting") + if err := b.pruneZombieChans(); err != nil { + log.Errorf("Unable to prune zombies: %v", err) + } + }) + } else { + // Otherwise, we'll use our filtered chain view to prune + // channels as soon as they are detected as spent on-chain. + if err := b.cfg.ChainView.Start(); err != nil { + return err + } + + // Once the instance is active, we'll fetch the channel we'll + // receive notifications over. + b.newBlocks = b.cfg.ChainView.FilteredBlocks() + b.staleBlocks = b.cfg.ChainView.DisconnectedBlocks() + + // Before we perform our manual block pruning, we'll construct + // and apply a fresh chain filter to the active + // FilteredChainView instance. We do this before, as otherwise + // we may miss on-chain events as the filter hasn't properly + // been applied. + channelView, err := b.cfg.Graph.ChannelView() + if err != nil && !errors.Is( + err, channeldb.ErrGraphNoEdgesFound, + ) { + return err + } + + log.Infof("Filtering chain using %v channels active", + len(channelView)) + + if len(channelView) != 0 { + err = b.cfg.ChainView.UpdateFilter( + channelView, uint32(bestHeight), + ) + if err != nil { + return err + } + } + + // The graph pruning might have taken a while and there could be + // new blocks available. + _, bestHeight, err = b.cfg.Chain.GetBestBlock() + if err != nil { + return err + } + b.bestHeight = uint32(bestHeight) + + // Before we begin normal operation of the router, we first need + // to synchronize the channel graph to the latest state of the + // UTXO set. + if err := b.syncGraphWithChain(); err != nil { + return err + } + + // Finally, before we proceed, we'll prune any unconnected nodes + // from the graph in order to ensure we maintain a tight graph + // of "useful" nodes. + err = b.cfg.Graph.PruneGraphNodes() + if err != nil && err != channeldb.ErrGraphNodesNotFound { + return err + } + } + + b.wg.Add(1) + go b.networkHandler() + return nil } @@ -50,8 +312,1497 @@ func (b *Builder) Stop() error { log.Info("Builder shutting down...") defer log.Debug("Builder shutdown complete") + // Our filtered chain view could've only been started if + // AssumeChannelValid isn't present. + if !b.cfg.AssumeChannelValid { + if err := b.cfg.ChainView.Stop(); err != nil { + return err + } + } + close(b.quit) b.wg.Wait() return nil } + +// syncGraphWithChain attempts to synchronize the current channel graph with +// the latest UTXO set state. This process involves pruning from the channel +// graph any channels which have been closed by spending their funding output +// since we've been down. +func (b *Builder) syncGraphWithChain() error { + // First, we'll need to check to see if we're already in sync with the + // latest state of the UTXO set. + bestHash, bestHeight, err := b.cfg.Chain.GetBestBlock() + if err != nil { + return err + } + b.bestHeight = uint32(bestHeight) + + pruneHash, pruneHeight, err := b.cfg.Graph.PruneTip() + if err != nil { + switch { + // If the graph has never been pruned, or hasn't fully been + // created yet, then we don't treat this as an explicit error. + case err == channeldb.ErrGraphNeverPruned: + case err == channeldb.ErrGraphNotFound: + default: + return err + } + } + + log.Infof("Prune tip for Channel Graph: height=%v, hash=%v", + pruneHeight, pruneHash) + + switch { + + // If the graph has never been pruned, then we can exit early as this + // entails it's being created for the first time and hasn't seen any + // block or created channels. + case pruneHeight == 0 || pruneHash == nil: + return nil + + // If the block hashes and heights match exactly, then we don't need to + // prune the channel graph as we're already fully in sync. + case bestHash.IsEqual(pruneHash) && uint32(bestHeight) == pruneHeight: + return nil + } + + // If the main chain blockhash at prune height is different from the + // prune hash, this might indicate the database is on a stale branch. + mainBlockHash, err := b.cfg.Chain.GetBlockHash(int64(pruneHeight)) + if err != nil { + return err + } + + // While we are on a stale branch of the chain, walk backwards to find + // first common block. + for !pruneHash.IsEqual(mainBlockHash) { + log.Infof("channel graph is stale. Disconnecting block %v "+ + "(hash=%v)", pruneHeight, pruneHash) + // Prune the graph for every channel that was opened at height + // >= pruneHeight. + _, err := b.cfg.Graph.DisconnectBlockAtHeight(pruneHeight) + if err != nil { + return err + } + + pruneHash, pruneHeight, err = b.cfg.Graph.PruneTip() + if err != nil { + switch { + // If at this point the graph has never been pruned, we + // can exit as this entails we are back to the point + // where it hasn't seen any block or created channels, + // alas there's nothing left to prune. + case err == channeldb.ErrGraphNeverPruned: + return nil + case err == channeldb.ErrGraphNotFound: + return nil + default: + return err + } + } + mainBlockHash, err = b.cfg.Chain.GetBlockHash(int64(pruneHeight)) + if err != nil { + return err + } + } + + log.Infof("Syncing channel graph from height=%v (hash=%v) to height=%v "+ + "(hash=%v)", pruneHeight, pruneHash, bestHeight, bestHash) + + // If we're not yet caught up, then we'll walk forward in the chain + // pruning the channel graph with each new block that hasn't yet been + // consumed by the channel graph. + var spentOutputs []*wire.OutPoint + for nextHeight := pruneHeight + 1; nextHeight <= uint32(bestHeight); nextHeight++ { + // Break out of the rescan early if a shutdown has been + // requested, otherwise long rescans will block the daemon from + // shutting down promptly. + select { + case <-b.quit: + return ErrGraphBuilderShuttingDown + default: + } + + // Using the next height, request a manual block pruning from + // the chainview for the particular block hash. + log.Infof("Filtering block for closed channels, at height: %v", + int64(nextHeight)) + nextHash, err := b.cfg.Chain.GetBlockHash(int64(nextHeight)) + if err != nil { + return err + } + log.Tracef("Running block filter on block with hash: %v", + nextHash) + filterBlock, err := b.cfg.ChainView.FilterBlock(nextHash) + if err != nil { + return err + } + + // We're only interested in all prior outputs that have been + // spent in the block, so collate all the referenced previous + // outpoints within each tx and input. + for _, tx := range filterBlock.Transactions { + for _, txIn := range tx.TxIn { + spentOutputs = append(spentOutputs, + &txIn.PreviousOutPoint) + } + } + } + + // With the spent outputs gathered, attempt to prune the channel graph, + // also passing in the best hash+height so the prune tip can be updated. + closedChans, err := b.cfg.Graph.PruneGraph( + spentOutputs, bestHash, uint32(bestHeight), + ) + if err != nil { + return err + } + + log.Infof("Graph pruning complete: %v channels were closed since "+ + "height %v", len(closedChans), pruneHeight) + return nil +} + +// isZombieChannel takes two edge policy updates and determines if the +// corresponding channel should be considered a zombie. The first boolean is +// true if the policy update from node 1 is considered a zombie, the second +// boolean is that of node 2, and the final boolean is true if the channel +// is considered a zombie. +func (b *Builder) isZombieChannel(e1, + e2 *models.ChannelEdgePolicy) (bool, bool, bool) { + + chanExpiry := b.cfg.ChannelPruneExpiry + + e1Zombie := e1 == nil || time.Since(e1.LastUpdate) >= chanExpiry + e2Zombie := e2 == nil || time.Since(e2.LastUpdate) >= chanExpiry + + var e1Time, e2Time time.Time + if e1 != nil { + e1Time = e1.LastUpdate + } + if e2 != nil { + e2Time = e2.LastUpdate + } + + return e1Zombie, e2Zombie, b.IsZombieChannel(e1Time, e2Time) +} + +// IsZombieChannel takes the timestamps of the latest channel updates for a +// channel and returns true if the channel should be considered a zombie based +// on these timestamps. +func (b *Builder) IsZombieChannel(updateTime1, + updateTime2 time.Time) bool { + + chanExpiry := b.cfg.ChannelPruneExpiry + + e1Zombie := updateTime1.IsZero() || + time.Since(updateTime1) >= chanExpiry + + e2Zombie := updateTime2.IsZero() || + time.Since(updateTime2) >= chanExpiry + + // If we're using strict zombie pruning, then a channel is only + // considered live if both edges have a recent update we know of. + if b.cfg.StrictZombiePruning { + return e1Zombie || e2Zombie + } + + // Otherwise, if we're using the less strict variant, then a channel is + // considered live if either of the edges have a recent update. + return e1Zombie && e2Zombie +} + +// pruneZombieChans is a method that will be called periodically to prune out +// any "zombie" channels. We consider channels zombies if *both* edges haven't +// been updated since our zombie horizon. If AssumeChannelValid is present, +// we'll also consider channels zombies if *both* edges are disabled. This +// usually signals that a channel has been closed on-chain. We do this +// periodically to keep a healthy, lively routing table. +func (b *Builder) pruneZombieChans() error { + chansToPrune := make(map[uint64]struct{}) + chanExpiry := b.cfg.ChannelPruneExpiry + + log.Infof("Examining channel graph for zombie channels") + + // A helper method to detect if the channel belongs to this node + isSelfChannelEdge := func(info *models.ChannelEdgeInfo) bool { + return info.NodeKey1Bytes == b.cfg.SelfNode || + info.NodeKey2Bytes == b.cfg.SelfNode + } + + // First, we'll collect all the channels which are eligible for garbage + // collection due to being zombies. + filterPruneChans := func(info *models.ChannelEdgeInfo, + e1, e2 *models.ChannelEdgePolicy) error { + + // Exit early in case this channel is already marked to be + // pruned + _, markedToPrune := chansToPrune[info.ChannelID] + if markedToPrune { + return nil + } + + // We'll ensure that we don't attempt to prune our *own* + // channels from the graph, as in any case this should be + // re-advertised by the sub-system above us. + if isSelfChannelEdge(info) { + return nil + } + + e1Zombie, e2Zombie, isZombieChan := b.isZombieChannel(e1, e2) + + if e1Zombie { + log.Tracef("Node1 pubkey=%x of chan_id=%v is zombie", + info.NodeKey1Bytes, info.ChannelID) + } + + if e2Zombie { + log.Tracef("Node2 pubkey=%x of chan_id=%v is zombie", + info.NodeKey2Bytes, info.ChannelID) + } + + // If either edge hasn't been updated for a period of + // chanExpiry, then we'll mark the channel itself as eligible + // for graph pruning. + if !isZombieChan { + return nil + } + + log.Debugf("ChannelID(%v) is a zombie, collecting to prune", + info.ChannelID) + + // TODO(roasbeef): add ability to delete single directional edge + chansToPrune[info.ChannelID] = struct{}{} + + return nil + } + + // If AssumeChannelValid is present we'll look at the disabled bit for + // both edges. If they're both disabled, then we can interpret this as + // the channel being closed and can prune it from our graph. + if b.cfg.AssumeChannelValid { + disabledChanIDs, err := b.cfg.Graph.DisabledChannelIDs() + if err != nil { + return fmt.Errorf("unable to get disabled channels "+ + "ids chans: %v", err) + } + + disabledEdges, err := b.cfg.Graph.FetchChanInfos( + disabledChanIDs, + ) + if err != nil { + return fmt.Errorf("unable to fetch disabled channels "+ + "edges chans: %v", err) + } + + // Ensuring we won't prune our own channel from the graph. + for _, disabledEdge := range disabledEdges { + if !isSelfChannelEdge(disabledEdge.Info) { + chansToPrune[disabledEdge.Info.ChannelID] = + struct{}{} + } + } + } + + startTime := time.Unix(0, 0) + endTime := time.Now().Add(-1 * chanExpiry) + oldEdges, err := b.cfg.Graph.ChanUpdatesInHorizon(startTime, endTime) + if err != nil { + return fmt.Errorf("unable to fetch expired channel updates "+ + "chans: %v", err) + } + + for _, u := range oldEdges { + filterPruneChans(u.Info, u.Policy1, u.Policy2) + } + + log.Infof("Pruning %v zombie channels", len(chansToPrune)) + if len(chansToPrune) == 0 { + return nil + } + + // With the set of zombie-like channels obtained, we'll do another pass + // to delete them from the channel graph. + toPrune := make([]uint64, 0, len(chansToPrune)) + for chanID := range chansToPrune { + toPrune = append(toPrune, chanID) + log.Tracef("Pruning zombie channel with ChannelID(%v)", chanID) + } + err = b.cfg.Graph.DeleteChannelEdges( + b.cfg.StrictZombiePruning, true, toPrune..., + ) + if err != nil { + return fmt.Errorf("unable to delete zombie channels: %w", err) + } + + // With the channels pruned, we'll also attempt to prune any nodes that + // were a part of them. + err = b.cfg.Graph.PruneGraphNodes() + if err != nil && err != channeldb.ErrGraphNodesNotFound { + return fmt.Errorf("unable to prune graph nodes: %w", err) + } + + return nil +} + +// handleNetworkUpdate is responsible for processing the update message and +// notifies topology changes, if any. +// +// NOTE: must be run inside goroutine. +func (b *Builder) handleNetworkUpdate(vb *ValidationBarrier, + update *routingMsg) { + + defer b.wg.Done() + defer vb.CompleteJob() + + // If this message has an existing dependency, then we'll wait until + // that has been fully validated before we proceed. + err := vb.WaitForDependants(update.msg) + if err != nil { + switch { + case IsError(err, ErrVBarrierShuttingDown): + update.err <- err + + case IsError(err, ErrParentValidationFailed): + update.err <- newErrf(ErrIgnored, err.Error()) + + default: + log.Warnf("unexpected error during validation "+ + "barrier shutdown: %v", err) + update.err <- err + } + + return + } + + // Process the routing update to determine if this is either a new + // update from our PoV or an update to a prior vertex/edge we + // previously accepted. + err = b.processUpdate(update.msg, update.op...) + update.err <- err + + // If this message had any dependencies, then we can now signal them to + // continue. + allowDependents := err == nil || IsError(err, ErrIgnored, ErrOutdated) + vb.SignalDependants(update.msg, allowDependents) + + // If the error is not nil here, there's no need to send topology + // change. + if err != nil { + // We now decide to log an error or not. If allowDependents is + // false, it means there is an error and the error is neither + // ErrIgnored or ErrOutdated. In this case, we'll log an error. + // Otherwise, we'll add debug log only. + if allowDependents { + log.Debugf("process network updates got: %v", err) + } else { + log.Errorf("process network updates got: %v", err) + } + + return + } + + // Otherwise, we'll send off a new notification for the newly accepted + // update, if any. + topChange := &TopologyChange{} + err = addToTopologyChange(b.cfg.Graph, topChange, update.msg) + if err != nil { + log.Errorf("unable to update topology change notification: %v", + err) + return + } + + if !topChange.isEmpty() { + b.notifyTopologyChange(topChange) + } +} + +// networkHandler is the primary goroutine for the Builder. The roles of +// this goroutine include answering queries related to the state of the +// network, pruning the graph on new block notification, applying network +// updates, and registering new topology clients. +// +// NOTE: This MUST be run as a goroutine. +func (b *Builder) networkHandler() { + defer b.wg.Done() + + graphPruneTicker := time.NewTicker(b.cfg.GraphPruneInterval) + defer graphPruneTicker.Stop() + + defer b.statTicker.Stop() + + b.stats.Reset() + + // We'll use this validation barrier to ensure that we process all jobs + // in the proper order during parallel validation. + // + // NOTE: For AssumeChannelValid, we bump up the maximum number of + // concurrent validation requests since there are no blocks being + // fetched. This significantly increases the performance of IGD for + // neutrino nodes. + // + // However, we dial back to use multiple of the number of cores when + // fully validating, to avoid fetching up to 1000 blocks from the + // backend. On bitcoind, this will empirically cause massive latency + // spikes when executing this many concurrent RPC calls. Critical + // subsystems or basic rpc calls that rely on calls such as GetBestBlock + // will hang due to excessive load. + // + // See https://github.com/lightningnetwork/lnd/issues/4892. + var validationBarrier *ValidationBarrier + if b.cfg.AssumeChannelValid { + validationBarrier = NewValidationBarrier(1000, b.quit) + } else { + validationBarrier = NewValidationBarrier( + 4*runtime.NumCPU(), b.quit, + ) + } + + for { + + // If there are stats, resume the statTicker. + if !b.stats.Empty() { + b.statTicker.Resume() + } + + select { + // A new fully validated network update has just arrived. As a + // result we'll modify the channel graph accordingly depending + // on the exact type of the message. + case update := <-b.networkUpdates: + // We'll set up any dependants, and wait until a free + // slot for this job opens up, this allows us to not + // have thousands of goroutines active. + validationBarrier.InitJobDependencies(update.msg) + + b.wg.Add(1) + go b.handleNetworkUpdate(validationBarrier, update) + + // TODO(roasbeef): remove all unconnected vertexes + // after N blocks pass with no corresponding + // announcements. + + case chainUpdate, ok := <-b.staleBlocks: + // If the channel has been closed, then this indicates + // the daemon is shutting down, so we exit ourselves. + if !ok { + return + } + + // Since this block is stale, we update our best height + // to the previous block. + blockHeight := uint32(chainUpdate.Height) + atomic.StoreUint32(&b.bestHeight, blockHeight-1) + + // Update the channel graph to reflect that this block + // was disconnected. + _, err := b.cfg.Graph.DisconnectBlockAtHeight(blockHeight) + if err != nil { + log.Errorf("unable to prune graph with stale "+ + "block: %v", err) + continue + } + + // TODO(halseth): notify client about the reorg? + + // A new block has arrived, so we can prune the channel graph + // of any channels which were closed in the block. + case chainUpdate, ok := <-b.newBlocks: + // If the channel has been closed, then this indicates + // the daemon is shutting down, so we exit ourselves. + if !ok { + return + } + + // We'll ensure that any new blocks received attach + // directly to the end of our main chain. If not, then + // we've somehow missed some blocks. Here we'll catch + // up the chain with the latest blocks. + currentHeight := atomic.LoadUint32(&b.bestHeight) + switch { + case chainUpdate.Height == currentHeight+1: + err := b.updateGraphWithClosedChannels( + chainUpdate, + ) + if err != nil { + log.Errorf("unable to prune graph "+ + "with closed channels: %v", err) + } + + case chainUpdate.Height > currentHeight+1: + log.Errorf("out of order block: expecting "+ + "height=%v, got height=%v", + currentHeight+1, chainUpdate.Height) + + err := b.getMissingBlocks(currentHeight, chainUpdate) + if err != nil { + log.Errorf("unable to retrieve missing"+ + "blocks: %v", err) + } + + case chainUpdate.Height < currentHeight+1: + log.Errorf("out of order block: expecting "+ + "height=%v, got height=%v", + currentHeight+1, chainUpdate.Height) + + log.Infof("Skipping channel pruning since "+ + "received block height %v was already"+ + " processed.", chainUpdate.Height) + } + + // A new notification client update has arrived. We're either + // gaining a new client, or cancelling notifications for an + // existing client. + case ntfnUpdate := <-b.ntfnClientUpdates: + clientID := ntfnUpdate.clientID + + if ntfnUpdate.cancel { + client, ok := b.topologyClients.LoadAndDelete( + clientID, + ) + if ok { + close(client.exit) + client.wg.Wait() + + close(client.ntfnChan) + } + + continue + } + + b.topologyClients.Store(clientID, &topologyClient{ + ntfnChan: ntfnUpdate.ntfnChan, + exit: make(chan struct{}), + }) + + // The graph prune ticker has ticked, so we'll examine the + // state of the known graph to filter out any zombie channels + // for pruning. + case <-graphPruneTicker.C: + if err := b.pruneZombieChans(); err != nil { + log.Errorf("Unable to prune zombies: %v", err) + } + + // Log any stats if we've processed a non-empty number of + // channels, updates, or nodes. We'll only pause the ticker if + // the last window contained no updates to avoid resuming and + // pausing while consecutive windows contain new info. + case <-b.statTicker.Ticks(): + if !b.stats.Empty() { + log.Infof(b.stats.String()) + } else { + b.statTicker.Pause() + } + b.stats.Reset() + + // The router has been signalled to exit, to we exit our main + // loop so the wait group can be decremented. + case <-b.quit: + return + } + } +} + +// getMissingBlocks walks through all missing blocks and updates the graph +// closed channels accordingly. +func (b *Builder) getMissingBlocks(currentHeight uint32, + chainUpdate *chainview.FilteredBlock) error { + + outdatedHash, err := b.cfg.Chain.GetBlockHash(int64(currentHeight)) + if err != nil { + return err + } + + outdatedBlock := &chainntnfs.BlockEpoch{ + Height: int32(currentHeight), + Hash: outdatedHash, + } + + epochClient, err := b.cfg.Notifier.RegisterBlockEpochNtfn( + outdatedBlock, + ) + if err != nil { + return err + } + defer epochClient.Cancel() + + blockDifference := int(chainUpdate.Height - currentHeight) + + // We'll walk through all the outdated blocks and make sure we're able + // to update the graph with any closed channels from them. + for i := 0; i < blockDifference; i++ { + var ( + missingBlock *chainntnfs.BlockEpoch + ok bool + ) + + select { + case missingBlock, ok = <-epochClient.Epochs: + if !ok { + return nil + } + + case <-b.quit: + return nil + } + + filteredBlock, err := b.cfg.ChainView.FilterBlock( + missingBlock.Hash, + ) + if err != nil { + return err + } + + err = b.updateGraphWithClosedChannels( + filteredBlock, + ) + if err != nil { + return err + } + } + + return nil +} + +// updateGraphWithClosedChannels prunes the channel graph of closed channels +// that are no longer needed. +func (b *Builder) updateGraphWithClosedChannels( + chainUpdate *chainview.FilteredBlock) error { + + // Once a new block arrives, we update our running track of the height + // of the chain tip. + blockHeight := chainUpdate.Height + + atomic.StoreUint32(&b.bestHeight, blockHeight) + log.Infof("Pruning channel graph using block %v (height=%v)", + chainUpdate.Hash, blockHeight) + + // We're only interested in all prior outputs that have been spent in + // the block, so collate all the referenced previous outpoints within + // each tx and input. + var spentOutputs []*wire.OutPoint + for _, tx := range chainUpdate.Transactions { + for _, txIn := range tx.TxIn { + spentOutputs = append(spentOutputs, + &txIn.PreviousOutPoint) + } + } + + // With the spent outputs gathered, attempt to prune the channel graph, + // also passing in the hash+height of the block being pruned so the + // prune tip can be updated. + chansClosed, err := b.cfg.Graph.PruneGraph(spentOutputs, + &chainUpdate.Hash, chainUpdate.Height) + if err != nil { + log.Errorf("unable to prune routing table: %v", err) + return err + } + + log.Infof("Block %v (height=%v) closed %v channels", chainUpdate.Hash, + blockHeight, len(chansClosed)) + + if len(chansClosed) == 0 { + return err + } + + // Notify all currently registered clients of the newly closed channels. + closeSummaries := createCloseSummaries(blockHeight, chansClosed...) + b.notifyTopologyChange(&TopologyChange{ + ClosedChannels: closeSummaries, + }) + + return nil +} + +// assertNodeAnnFreshness returns a non-nil error if we have an announcement in +// the database for the passed node with a timestamp newer than the passed +// timestamp. ErrIgnored will be returned if we already have the node, and +// ErrOutdated will be returned if we have a timestamp that's after the new +// timestamp. +func (b *Builder) assertNodeAnnFreshness(node route.Vertex, + msgTimestamp time.Time) error { + + // If we are not already aware of this node, it means that we don't + // know about any channel using this node. To avoid a DoS attack by + // node announcements, we will ignore such nodes. If we do know about + // this node, check that this update brings info newer than what we + // already have. + lastUpdate, exists, err := b.cfg.Graph.HasLightningNode(node) + if err != nil { + return errors.Errorf("unable to query for the "+ + "existence of node: %v", err) + } + if !exists { + return newErrf(ErrIgnored, "Ignoring node announcement"+ + " for node not found in channel graph (%x)", + node[:]) + } + + // If we've reached this point then we're aware of the vertex being + // advertised. So we now check if the new message has a new time stamp, + // if not then we won't accept the new data as it would override newer + // data. + if !lastUpdate.Before(msgTimestamp) { + return newErrf(ErrOutdated, "Ignoring outdated "+ + "announcement for %x", node[:]) + } + + return nil +} + +// addZombieEdge adds a channel that failed complete validation into the zombie +// index so we can avoid having to re-validate it in the future. +func (b *Builder) addZombieEdge(chanID uint64) error { + // If the edge fails validation we'll mark the edge itself as a zombie + // so we don't continue to request it. We use the "zero key" for both + // node pubkeys so this edge can't be resurrected. + var zeroKey [33]byte + err := b.cfg.Graph.MarkEdgeZombie(chanID, zeroKey, zeroKey) + if err != nil { + return fmt.Errorf("unable to mark spent chan(id=%v) as a "+ + "zombie: %w", chanID, err) + } + + return nil +} + +// makeFundingScript is used to make the funding script for both segwit v0 and +// segwit v1 (taproot) channels. +// +// TODO(roasbeef: export and use elsewhere? +func makeFundingScript(bitcoinKey1, bitcoinKey2 []byte, + chanFeatures []byte) ([]byte, error) { + + legacyFundingScript := func() ([]byte, error) { + witnessScript, err := input.GenMultiSigScript( + bitcoinKey1, bitcoinKey2, + ) + if err != nil { + return nil, err + } + pkScript, err := input.WitnessScriptHash(witnessScript) + if err != nil { + return nil, err + } + + return pkScript, nil + } + + if len(chanFeatures) == 0 { + return legacyFundingScript() + } + + // In order to make the correct funding script, we'll need to parse the + // chanFeatures bytes into a feature vector we can interact with. + rawFeatures := lnwire.NewRawFeatureVector() + err := rawFeatures.Decode(bytes.NewReader(chanFeatures)) + if err != nil { + return nil, fmt.Errorf("unable to parse chan feature "+ + "bits: %w", err) + } + + chanFeatureBits := lnwire.NewFeatureVector( + rawFeatures, lnwire.Features, + ) + if chanFeatureBits.HasFeature( + lnwire.SimpleTaprootChannelsOptionalStaging, + ) { + + pubKey1, err := btcec.ParsePubKey(bitcoinKey1) + if err != nil { + return nil, err + } + pubKey2, err := btcec.ParsePubKey(bitcoinKey2) + if err != nil { + return nil, err + } + + fundingScript, _, err := input.GenTaprootFundingScript( + pubKey1, pubKey2, 0, + ) + if err != nil { + return nil, err + } + + return fundingScript, nil + } + + return legacyFundingScript() +} + +// processUpdate processes a new relate authenticated channel/edge, node or +// channel/edge update network update. If the update didn't affect the internal +// state of the draft due to either being out of date, invalid, or redundant, +// then error is returned. +func (b *Builder) processUpdate(msg interface{}, + op ...batch.SchedulerOption) error { + + switch msg := msg.(type) { + case *channeldb.LightningNode: + // Before we add the node to the database, we'll check to see + // if the announcement is "fresh" or not. If it isn't, then + // we'll return an error. + err := b.assertNodeAnnFreshness(msg.PubKeyBytes, msg.LastUpdate) + if err != nil { + return err + } + + if err := b.cfg.Graph.AddLightningNode(msg, op...); err != nil { + return errors.Errorf("unable to add node %x to the "+ + "graph: %v", msg.PubKeyBytes, err) + } + + log.Tracef("Updated vertex data for node=%x", msg.PubKeyBytes) + b.stats.incNumNodeUpdates() + + case *models.ChannelEdgeInfo: + log.Debugf("Received ChannelEdgeInfo for channel %v", + msg.ChannelID) + + // Prior to processing the announcement we first check if we + // already know of this channel, if so, then we can exit early. + _, _, exists, isZombie, err := b.cfg.Graph.HasChannelEdge( + msg.ChannelID, + ) + if err != nil && err != channeldb.ErrGraphNoEdgesFound { + return errors.Errorf("unable to check for edge "+ + "existence: %v", err) + } + if isZombie { + return newErrf(ErrIgnored, "ignoring msg for zombie "+ + "chan_id=%v", msg.ChannelID) + } + if exists { + return newErrf(ErrIgnored, "ignoring msg for known "+ + "chan_id=%v", msg.ChannelID) + } + + // If AssumeChannelValid is present, then we are unable to + // perform any of the expensive checks below, so we'll + // short-circuit our path straight to adding the edge to our + // graph. If the passed ShortChannelID is an alias, then we'll + // skip validation as it will not map to a legitimate tx. This + // is not a DoS vector as only we can add an alias + // ChannelAnnouncement from the gossiper. + scid := lnwire.NewShortChanIDFromInt(msg.ChannelID) + if b.cfg.AssumeChannelValid || b.cfg.IsAlias(scid) { + if err := b.cfg.Graph.AddChannelEdge(msg, op...); err != nil { + return fmt.Errorf("unable to add edge: %w", err) + } + log.Tracef("New channel discovered! Link "+ + "connects %x and %x with ChannelID(%v)", + msg.NodeKey1Bytes, msg.NodeKey2Bytes, + msg.ChannelID) + b.stats.incNumEdgesDiscovered() + + break + } + + // Before we can add the channel to the channel graph, we need + // to obtain the full funding outpoint that's encoded within + // the channel ID. + channelID := lnwire.NewShortChanIDFromInt(msg.ChannelID) + fundingTx, err := b.fetchFundingTxWrapper(&channelID) + if err != nil { + // In order to ensure we don't erroneously mark a + // channel as a zombie due to an RPC failure, we'll + // attempt to string match for the relevant errors. + // + // * btcd: + // * https://github.com/btcsuite/btcd/blob/master/rpcserver.go#L1316 + // * https://github.com/btcsuite/btcd/blob/master/rpcserver.go#L1086 + // * bitcoind: + // * https://github.com/bitcoin/bitcoin/blob/7fcf53f7b4524572d1d0c9a5fdc388e87eb02416/src/rpc/blockchain.cpp#L770 + // * https://github.com/bitcoin/bitcoin/blob/7fcf53f7b4524572d1d0c9a5fdc388e87eb02416/src/rpc/blockchain.cpp#L954 + switch { + case strings.Contains(err.Error(), "not found"): + fallthrough + + case strings.Contains(err.Error(), "out of range"): + // If the funding transaction isn't found at + // all, then we'll mark the edge itself as a + // zombie so we don't continue to request it. + // We use the "zero key" for both node pubkeys + // so this edge can't be resurrected. + zErr := b.addZombieEdge(msg.ChannelID) + if zErr != nil { + return zErr + } + + default: + } + + return newErrf(ErrNoFundingTransaction, "unable to "+ + "locate funding tx: %v", err) + } + + // Recreate witness output to be sure that declared in channel + // edge bitcoin keys and channel value corresponds to the + // reality. + fundingPkScript, err := makeFundingScript( + msg.BitcoinKey1Bytes[:], msg.BitcoinKey2Bytes[:], + msg.Features, + ) + if err != nil { + return err + } + + // Next we'll validate that this channel is actually well + // formed. If this check fails, then this channel either + // doesn't exist, or isn't the one that was meant to be created + // according to the passed channel proofs. + fundingPoint, err := chanvalidate.Validate(&chanvalidate.Context{ + Locator: &chanvalidate.ShortChanIDChanLocator{ + ID: channelID, + }, + MultiSigPkScript: fundingPkScript, + FundingTx: fundingTx, + }) + if err != nil { + // Mark the edge as a zombie so we won't try to + // re-validate it on start up. + if err := b.addZombieEdge(msg.ChannelID); err != nil { + return err + } + + return newErrf(ErrInvalidFundingOutput, "output "+ + "failed validation: %w", err) + } + + // Now that we have the funding outpoint of the channel, ensure + // that it hasn't yet been spent. If so, then this channel has + // been closed so we'll ignore it. + chanUtxo, err := b.cfg.Chain.GetUtxo( + fundingPoint, fundingPkScript, channelID.BlockHeight, + b.quit, + ) + if err != nil { + if errors.Is(err, btcwallet.ErrOutputSpent) { + zErr := b.addZombieEdge(msg.ChannelID) + if zErr != nil { + return zErr + } + } + + return newErrf(ErrChannelSpent, "unable to fetch utxo "+ + "for chan_id=%v, chan_point=%v: %v", + msg.ChannelID, fundingPoint, err) + } + + // TODO(roasbeef): this is a hack, needs to be removed + // after commitment fees are dynamic. + msg.Capacity = btcutil.Amount(chanUtxo.Value) + msg.ChannelPoint = *fundingPoint + if err := b.cfg.Graph.AddChannelEdge(msg, op...); err != nil { + return errors.Errorf("unable to add edge: %v", err) + } + + log.Debugf("New channel discovered! Link "+ + "connects %x and %x with ChannelPoint(%v): "+ + "chan_id=%v, capacity=%v", + msg.NodeKey1Bytes, msg.NodeKey2Bytes, + fundingPoint, msg.ChannelID, msg.Capacity) + b.stats.incNumEdgesDiscovered() + + // As a new edge has been added to the channel graph, we'll + // update the current UTXO filter within our active + // FilteredChainView so we are notified if/when this channel is + // closed. + filterUpdate := []channeldb.EdgePoint{ + { + FundingPkScript: fundingPkScript, + OutPoint: *fundingPoint, + }, + } + err = b.cfg.ChainView.UpdateFilter( + filterUpdate, atomic.LoadUint32(&b.bestHeight), + ) + if err != nil { + return errors.Errorf("unable to update chain "+ + "view: %v", err) + } + + case *models.ChannelEdgePolicy: + log.Debugf("Received ChannelEdgePolicy for channel %v", + msg.ChannelID) + + // We make sure to hold the mutex for this channel ID, + // such that no other goroutine is concurrently doing + // database accesses for the same channel ID. + b.channelEdgeMtx.Lock(msg.ChannelID) + defer b.channelEdgeMtx.Unlock(msg.ChannelID) + + edge1Timestamp, edge2Timestamp, exists, isZombie, err := + b.cfg.Graph.HasChannelEdge(msg.ChannelID) + if err != nil && err != channeldb.ErrGraphNoEdgesFound { + return errors.Errorf("unable to check for edge "+ + "existence: %v", err) + + } + + // If the channel is marked as a zombie in our database, and + // we consider this a stale update, then we should not apply the + // policy. + isStaleUpdate := time.Since(msg.LastUpdate) > b.cfg.ChannelPruneExpiry + if isZombie && isStaleUpdate { + return newErrf(ErrIgnored, "ignoring stale update "+ + "(flags=%v|%v) for zombie chan_id=%v", + msg.MessageFlags, msg.ChannelFlags, + msg.ChannelID) + } + + // If the channel doesn't exist in our database, we cannot + // apply the updated policy. + if !exists { + return newErrf(ErrIgnored, "ignoring update "+ + "(flags=%v|%v) for unknown chan_id=%v", + msg.MessageFlags, msg.ChannelFlags, + msg.ChannelID) + } + + // As edges are directional edge node has a unique policy for + // the direction of the edge they control. Therefore, we first + // check if we already have the most up-to-date information for + // that edge. If this message has a timestamp not strictly + // newer than what we already know of we can exit early. + switch { + + // A flag set of 0 indicates this is an announcement for the + // "first" node in the channel. + case msg.ChannelFlags&lnwire.ChanUpdateDirection == 0: + + // Ignore outdated message. + if !edge1Timestamp.Before(msg.LastUpdate) { + return newErrf(ErrOutdated, "Ignoring "+ + "outdated update (flags=%v|%v) for "+ + "known chan_id=%v", msg.MessageFlags, + msg.ChannelFlags, msg.ChannelID) + } + + // Similarly, a flag set of 1 indicates this is an announcement + // for the "second" node in the channel. + case msg.ChannelFlags&lnwire.ChanUpdateDirection == 1: + + // Ignore outdated message. + if !edge2Timestamp.Before(msg.LastUpdate) { + return newErrf(ErrOutdated, "Ignoring "+ + "outdated update (flags=%v|%v) for "+ + "known chan_id=%v", msg.MessageFlags, + msg.ChannelFlags, msg.ChannelID) + } + } + + // Now that we know this isn't a stale update, we'll apply the + // new edge policy to the proper directional edge within the + // channel graph. + if err = b.cfg.Graph.UpdateEdgePolicy(msg, op...); err != nil { + err := errors.Errorf("unable to add channel: %v", err) + log.Error(err) + return err + } + + log.Tracef("New channel update applied: %v", + newLogClosure(func() string { return spew.Sdump(msg) })) + b.stats.incNumChannelUpdates() + + default: + return errors.Errorf("wrong routing update message type") + } + + return nil +} + +// fetchFundingTxWrapper is a wrapper around fetchFundingTx, except that it +// will exit if the router has stopped. +func (b *Builder) fetchFundingTxWrapper(chanID *lnwire.ShortChannelID) ( + *wire.MsgTx, error) { + + txChan := make(chan *wire.MsgTx, 1) + errChan := make(chan error, 1) + + go func() { + tx, err := b.fetchFundingTx(chanID) + if err != nil { + errChan <- err + return + } + + txChan <- tx + }() + + select { + case tx := <-txChan: + return tx, nil + + case err := <-errChan: + return nil, err + + case <-b.quit: + return nil, ErrGraphBuilderShuttingDown + } +} + +// fetchFundingTx returns the funding transaction identified by the passed +// short channel ID. +// +// TODO(roasbeef): replace with call to GetBlockTransaction? (would allow to +// later use getblocktxn) +func (b *Builder) fetchFundingTx( + chanID *lnwire.ShortChannelID) (*wire.MsgTx, error) { + + // First fetch the block hash by the block number encoded, then use + // that hash to fetch the block itself. + blockNum := int64(chanID.BlockHeight) + blockHash, err := b.cfg.Chain.GetBlockHash(blockNum) + if err != nil { + return nil, err + } + fundingBlock, err := b.cfg.Chain.GetBlock(blockHash) + if err != nil { + return nil, err + } + + // As a sanity check, ensure that the advertised transaction index is + // within the bounds of the total number of transactions within a + // block. + numTxns := uint32(len(fundingBlock.Transactions)) + if chanID.TxIndex > numTxns-1 { + return nil, fmt.Errorf("tx_index=#%v "+ + "is out of range (max_index=%v), network_chan_id=%v", + chanID.TxIndex, numTxns-1, chanID) + } + + return fundingBlock.Transactions[chanID.TxIndex].Copy(), nil +} + +// routingMsg couples a routing related routing topology update to the +// error channel. +type routingMsg struct { + msg interface{} + op []batch.SchedulerOption + err chan error +} + +// ApplyChannelUpdate validates a channel update and if valid, applies it to the +// database. It returns a bool indicating whether the updates were successful. +func (b *Builder) ApplyChannelUpdate(msg *lnwire.ChannelUpdate) bool { + ch, _, _, err := b.GetChannelByID(msg.ShortChannelID) + if err != nil { + log.Errorf("Unable to retrieve channel by id: %v", err) + return false + } + + var pubKey *btcec.PublicKey + + switch msg.ChannelFlags & lnwire.ChanUpdateDirection { + case 0: + pubKey, _ = ch.NodeKey1() + + case 1: + pubKey, _ = ch.NodeKey2() + } + + // Exit early if the pubkey cannot be decided. + if pubKey == nil { + log.Errorf("Unable to decide pubkey with ChannelFlags=%v", + msg.ChannelFlags) + return false + } + + err = ValidateChannelUpdateAnn(pubKey, ch.Capacity, msg) + if err != nil { + log.Errorf("Unable to validate channel update: %v", err) + return false + } + + err = b.UpdateEdge(&models.ChannelEdgePolicy{ + SigBytes: msg.Signature.ToSignatureBytes(), + ChannelID: msg.ShortChannelID.ToUint64(), + LastUpdate: time.Unix(int64(msg.Timestamp), 0), + MessageFlags: msg.MessageFlags, + ChannelFlags: msg.ChannelFlags, + TimeLockDelta: msg.TimeLockDelta, + MinHTLC: msg.HtlcMinimumMsat, + MaxHTLC: msg.HtlcMaximumMsat, + FeeBaseMSat: lnwire.MilliSatoshi(msg.BaseFee), + FeeProportionalMillionths: lnwire.MilliSatoshi(msg.FeeRate), + ExtraOpaqueData: msg.ExtraOpaqueData, + }) + if err != nil && !IsError(err, ErrIgnored, ErrOutdated) { + log.Errorf("Unable to apply channel update: %v", err) + return false + } + + return true +} + +// AddNode is used to add information about a node to the router database. If +// the node with this pubkey is not present in an existing channel, it will +// be ignored. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) AddNode(node *channeldb.LightningNode, + op ...batch.SchedulerOption) error { + + rMsg := &routingMsg{ + msg: node, + op: op, + err: make(chan error, 1), + } + + select { + case b.networkUpdates <- rMsg: + select { + case err := <-rMsg.err: + return err + case <-b.quit: + return ErrGraphBuilderShuttingDown + } + case <-b.quit: + return ErrGraphBuilderShuttingDown + } +} + +// AddEdge is used to add edge/channel to the topology of the router, after all +// information about channel will be gathered this edge/channel might be used +// in construction of payment path. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) AddEdge(edge *models.ChannelEdgeInfo, + op ...batch.SchedulerOption) error { + + rMsg := &routingMsg{ + msg: edge, + op: op, + err: make(chan error, 1), + } + + select { + case b.networkUpdates <- rMsg: + select { + case err := <-rMsg.err: + return err + case <-b.quit: + return ErrGraphBuilderShuttingDown + } + case <-b.quit: + return ErrGraphBuilderShuttingDown + } +} + +// UpdateEdge is used to update edge information, without this message edge +// considered as not fully constructed. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) UpdateEdge(update *models.ChannelEdgePolicy, + op ...batch.SchedulerOption) error { + + rMsg := &routingMsg{ + msg: update, + op: op, + err: make(chan error, 1), + } + + select { + case b.networkUpdates <- rMsg: + select { + case err := <-rMsg.err: + return err + case <-b.quit: + return ErrGraphBuilderShuttingDown + } + case <-b.quit: + return ErrGraphBuilderShuttingDown + } +} + +// CurrentBlockHeight returns the block height from POV of the router subsystem. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) CurrentBlockHeight() (uint32, error) { + _, height, err := b.cfg.Chain.GetBestBlock() + return uint32(height), err +} + +// SyncedHeight returns the block height to which the router subsystem currently +// is synced to. This can differ from the above chain height if the goroutine +// responsible for processing the blocks isn't yet up to speed. +func (b *Builder) SyncedHeight() uint32 { + return atomic.LoadUint32(&b.bestHeight) +} + +// GetChannelByID return the channel by the channel id. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) GetChannelByID(chanID lnwire.ShortChannelID) ( + *models.ChannelEdgeInfo, + *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy, error) { + + return b.cfg.Graph.FetchChannelEdgesByID(chanID.ToUint64()) +} + +// FetchLightningNode attempts to look up a target node by its identity public +// key. channeldb.ErrGraphNodeNotFound is returned if the node doesn't exist +// within the graph. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) FetchLightningNode( + node route.Vertex) (*channeldb.LightningNode, error) { + + return b.cfg.Graph.FetchLightningNode(node) +} + +// ForEachNode is used to iterate over every node in router topology. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) ForEachNode( + cb func(*channeldb.LightningNode) error) error { + + return b.cfg.Graph.ForEachNode( + func(_ kvdb.RTx, n *channeldb.LightningNode) error { + return cb(n) + }) +} + +// ForAllOutgoingChannels is used to iterate over all outgoing channels owned by +// the router. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) ForAllOutgoingChannels(cb func(kvdb.RTx, + *models.ChannelEdgeInfo, *models.ChannelEdgePolicy) error) error { + + return b.cfg.Graph.ForEachNodeChannel(b.cfg.SelfNode, + func(tx kvdb.RTx, c *models.ChannelEdgeInfo, + e *models.ChannelEdgePolicy, + _ *models.ChannelEdgePolicy) error { + + if e == nil { + return fmt.Errorf("channel from self node " + + "has no policy") + } + + return cb(tx, c, e) + }, + ) +} + +// AddProof updates the channel edge info with proof which is needed to +// properly announce the edge to the rest of the network. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) AddProof(chanID lnwire.ShortChannelID, + proof *models.ChannelAuthProof) error { + + info, _, _, err := b.cfg.Graph.FetchChannelEdgesByID(chanID.ToUint64()) + if err != nil { + return err + } + + info.AuthProof = proof + return b.cfg.Graph.UpdateChannelEdge(info) +} + +// IsStaleNode returns true if the graph source has a node announcement for the +// target node with a more recent timestamp. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) IsStaleNode(node route.Vertex, + timestamp time.Time) bool { + + // If our attempt to assert that the node announcement is fresh fails, + // then we know that this is actually a stale announcement. + err := b.assertNodeAnnFreshness(node, timestamp) + if err != nil { + log.Debugf("Checking stale node %x got %v", node, err) + return true + } + + return false +} + +// IsPublicNode determines whether the given vertex is seen as a public node in +// the graph from the graph's source node's point of view. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) IsPublicNode(node route.Vertex) (bool, error) { + return b.cfg.Graph.IsPublicNode(node) +} + +// IsKnownEdge returns true if the graph source already knows of the passed +// channel ID either as a live or zombie edge. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) IsKnownEdge(chanID lnwire.ShortChannelID) bool { + _, _, exists, isZombie, _ := b.cfg.Graph.HasChannelEdge( + chanID.ToUint64(), + ) + return exists || isZombie +} + +// IsStaleEdgePolicy returns true if the graph source has a channel edge for +// the passed channel ID (and flags) that have a more recent timestamp. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) IsStaleEdgePolicy(chanID lnwire.ShortChannelID, + timestamp time.Time, flags lnwire.ChanUpdateChanFlags) bool { + + edge1Timestamp, edge2Timestamp, exists, isZombie, err := + b.cfg.Graph.HasChannelEdge(chanID.ToUint64()) + if err != nil { + log.Debugf("Check stale edge policy got error: %v", err) + return false + + } + + // If we know of the edge as a zombie, then we'll make some additional + // checks to determine if the new policy is fresh. + if isZombie { + // When running with AssumeChannelValid, we also prune channels + // if both of their edges are disabled. We'll mark the new + // policy as stale if it remains disabled. + if b.cfg.AssumeChannelValid { + isDisabled := flags&lnwire.ChanUpdateDisabled == + lnwire.ChanUpdateDisabled + if isDisabled { + return true + } + } + + // Otherwise, we'll fall back to our usual ChannelPruneExpiry. + return time.Since(timestamp) > b.cfg.ChannelPruneExpiry + } + + // If we don't know of the edge, then it means it's fresh (thus not + // stale). + if !exists { + return false + } + + // As edges are directional edge node has a unique policy for the + // direction of the edge they control. Therefore, we first check if we + // already have the most up-to-date information for that edge. If so, + // then we can exit early. + switch { + // A flag set of 0 indicates this is an announcement for the "first" + // node in the channel. + case flags&lnwire.ChanUpdateDirection == 0: + return !edge1Timestamp.Before(timestamp) + + // Similarly, a flag set of 1 indicates this is an announcement for the + // "second" node in the channel. + case flags&lnwire.ChanUpdateDirection == 1: + return !edge2Timestamp.Before(timestamp) + } + + return false +} + +// MarkEdgeLive clears an edge from our zombie index, deeming it as live. +// +// NOTE: This method is part of the ChannelGraphSource interface. +func (b *Builder) MarkEdgeLive(chanID lnwire.ShortChannelID) error { + return b.cfg.Graph.MarkEdgeLive(chanID.ToUint64()) +} diff --git a/graph/builder_test.go b/graph/builder_test.go new file mode 100644 index 0000000000..d3e25d2aab --- /dev/null +++ b/graph/builder_test.go @@ -0,0 +1,2051 @@ +package graph + +import ( + "bytes" + "crypto/sha256" + "encoding/hex" + "encoding/json" + "fmt" + "image/color" + "math/rand" + "net" + "os" + "strings" + "sync/atomic" + "testing" + "time" + + "github.com/btcsuite/btcd/btcec/v2" + "github.com/btcsuite/btcd/btcutil" + "github.com/btcsuite/btcd/chaincfg/chainhash" + "github.com/btcsuite/btcd/wire" + "github.com/go-errors/errors" + "github.com/lightningnetwork/lnd/chainntnfs" + "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/htlcswitch" + "github.com/lightningnetwork/lnd/lntest/wait" + "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/routing/route" + "github.com/stretchr/testify/require" +) + +const ( + // basicGraphFilePath is the file path for a basic graph used within + // the tests. The basic graph consists of 5 nodes with 5 channels + // connecting them. + basicGraphFilePath = "testdata/basic_graph.json" + + testTimeout = 5 * time.Second +) + +// TestAddProof checks that we can update the channel proof after channel +// info was added to the database. +func TestAddProof(t *testing.T) { + t.Parallel() + + ctx := createTestCtxSingleNode(t, 0) + + // Before creating out edge, we'll create two new nodes within the + // network that the channel will connect. + node1 := createTestNode(t) + node2 := createTestNode(t) + + // In order to be able to add the edge we should have a valid funding + // UTXO within the blockchain. + fundingTx, _, chanID, err := createChannelEdge( + ctx, bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), 100, 0, + ) + require.NoError(t, err, "unable create channel edge") + fundingBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{fundingTx}, + } + ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + + // After utxo was recreated adding the edge without the proof. + edge := &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + NodeKey1Bytes: node1.PubKeyBytes, + NodeKey2Bytes: node2.PubKeyBytes, + AuthProof: nil, + } + copy(edge.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) + copy(edge.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + + require.NoError(t, ctx.builder.AddEdge(edge)) + + // Now we'll attempt to update the proof and check that it has been + // properly updated. + require.NoError(t, ctx.builder.AddProof(*chanID, &testAuthProof)) + + info, _, _, err := ctx.builder.GetChannelByID(*chanID) + require.NoError(t, err, "unable to get channel") + require.NotNil(t, info.AuthProof) +} + +// TestIgnoreNodeAnnouncement tests that adding a node to the router that is +// not known from any channel announcement, leads to the announcement being +// ignored. +func TestIgnoreNodeAnnouncement(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) + + pub := priv1.PubKey() + node := &channeldb.LightningNode{ + HaveNodeAnnouncement: true, + LastUpdate: time.Unix(123, 0), + Addresses: testAddrs, + Color: color.RGBA{1, 2, 3, 0}, + Alias: "node11", + AuthSigBytes: testSig.Serialize(), + Features: testFeatures, + } + copy(node.PubKeyBytes[:], pub.SerializeCompressed()) + + err := ctx.builder.AddNode(node) + if !IsError(err, ErrIgnored) { + t.Fatalf("expected to get ErrIgnore, instead got: %v", err) + } +} + +// TestIgnoreChannelEdgePolicyForUnknownChannel checks that a router will +// ignore a channel policy for a channel not in the graph. +func TestIgnoreChannelEdgePolicyForUnknownChannel(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + + // Setup an initially empty network. + var testChannels []*testChannel + testGraph, err := createTestGraphFromChannels( + t, true, testChannels, "roasbeef", + ) + require.NoError(t, err, "unable to create graph") + + ctx := createTestCtxFromGraphInstance( + t, startingBlockHeight, testGraph, false, + ) + + var pub1 [33]byte + copy(pub1[:], priv1.PubKey().SerializeCompressed()) + + var pub2 [33]byte + copy(pub2[:], priv2.PubKey().SerializeCompressed()) + + // Add the edge between the two unknown nodes to the graph, and check + // that the nodes are found after the fact. + fundingTx, _, chanID, err := createChannelEdge( + ctx, bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), 10000, 500, + ) + require.NoError(t, err, "unable to create channel edge") + fundingBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{fundingTx}, + } + ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + + edge := &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + NodeKey1Bytes: pub1, + NodeKey2Bytes: pub2, + BitcoinKey1Bytes: pub1, + BitcoinKey2Bytes: pub2, + AuthProof: nil, + } + edgePolicy := &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + ChannelID: edge.ChannelID, + LastUpdate: testTime, + TimeLockDelta: 10, + MinHTLC: 1, + FeeBaseMSat: 10, + FeeProportionalMillionths: 10000, + } + + // Attempt to update the edge. This should be ignored, since the edge + // is not yet added to the router. + err = ctx.builder.UpdateEdge(edgePolicy) + if !IsError(err, ErrIgnored) { + t.Fatalf("expected to get ErrIgnore, instead got: %v", err) + } + + // Add the edge. + require.NoErrorf(t, ctx.builder.AddEdge(edge), "expected to be able "+ + "to add edge to the channel graph, even though the vertexes "+ + "were unknown: %v.", err) + + // Now updating the edge policy should succeed. + require.NoError(t, ctx.builder.UpdateEdge(edgePolicy)) +} + +// TestWakeUpOnStaleBranch tests that upon startup of the ChannelRouter, if the +// the chain previously reflected in the channel graph is stale (overtaken by a +// longer chain), the channel router will prune the graph for any channels +// confirmed on the stale chain, and resync to the main chain. +func TestWakeUpOnStaleBranch(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + ctx := createTestCtxSingleNode(t, startingBlockHeight) + + const chanValue = 10000 + + // chanID1 will not be reorged out. + var chanID1 uint64 + + // chanID2 will be reorged out. + var chanID2 uint64 + + // Create 10 common blocks, confirming chanID1. + for i := uint32(1); i <= 10; i++ { + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + height := startingBlockHeight + i + if i == 5 { + fundingTx, _, chanID, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + chanValue, height) + if err != nil { + t.Fatalf("unable create channel edge: %v", err) + } + block.Transactions = append(block.Transactions, + fundingTx) + chanID1 = chanID.ToUint64() + + } + ctx.chain.addBlock(block, height, rand.Uint32()) + ctx.chain.setBestBlock(int32(height)) + ctx.chainView.notifyBlock(block.BlockHash(), height, + []*wire.MsgTx{}, t) + } + + // Give time to process new blocks + time.Sleep(time.Millisecond * 500) + + _, forkHeight, err := ctx.chain.GetBestBlock() + require.NoError(t, err, "unable to ge best block") + + // Create 10 blocks on the minority chain, confirming chanID2. + for i := uint32(1); i <= 10; i++ { + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + height := uint32(forkHeight) + i + if i == 5 { + fundingTx, _, chanID, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + chanValue, height) + if err != nil { + t.Fatalf("unable create channel edge: %v", err) + } + block.Transactions = append(block.Transactions, + fundingTx) + chanID2 = chanID.ToUint64() + } + ctx.chain.addBlock(block, height, rand.Uint32()) + ctx.chain.setBestBlock(int32(height)) + ctx.chainView.notifyBlock(block.BlockHash(), height, + []*wire.MsgTx{}, t) + } + // Give time to process new blocks + time.Sleep(time.Millisecond * 500) + + // Now add the two edges to the channel graph, and check that they + // correctly show up in the database. + node1 := createTestNode(t) + node2 := createTestNode(t) + + edge1 := &models.ChannelEdgeInfo{ + ChannelID: chanID1, + NodeKey1Bytes: node1.PubKeyBytes, + NodeKey2Bytes: node2.PubKeyBytes, + AuthProof: &models.ChannelAuthProof{ + NodeSig1Bytes: testSig.Serialize(), + NodeSig2Bytes: testSig.Serialize(), + BitcoinSig1Bytes: testSig.Serialize(), + BitcoinSig2Bytes: testSig.Serialize(), + }, + } + copy(edge1.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) + copy(edge1.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + + if err := ctx.builder.AddEdge(edge1); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + edge2 := &models.ChannelEdgeInfo{ + ChannelID: chanID2, + NodeKey1Bytes: node1.PubKeyBytes, + NodeKey2Bytes: node2.PubKeyBytes, + AuthProof: &models.ChannelAuthProof{ + NodeSig1Bytes: testSig.Serialize(), + NodeSig2Bytes: testSig.Serialize(), + BitcoinSig1Bytes: testSig.Serialize(), + BitcoinSig2Bytes: testSig.Serialize(), + }, + } + copy(edge2.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) + copy(edge2.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + + if err := ctx.builder.AddEdge(edge2); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + // Check that the fundingTxs are in the graph db. + _, _, has, isZombie, err := ctx.graph.HasChannelEdge(chanID1) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID1) + } + if !has { + t.Fatalf("could not find edge in graph") + } + if isZombie { + t.Fatal("edge was marked as zombie") + } + + _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID2) + } + if !has { + t.Fatalf("could not find edge in graph") + } + if isZombie { + t.Fatal("edge was marked as zombie") + } + + // Stop the router, so we can reorg the chain while its offline. + if err := ctx.builder.Stop(); err != nil { + t.Fatalf("unable to stop router: %v", err) + } + + // Create a 15 block fork. + for i := uint32(1); i <= 15; i++ { + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + height := uint32(forkHeight) + i + ctx.chain.addBlock(block, height, rand.Uint32()) + ctx.chain.setBestBlock(int32(height)) + } + + // Give time to process new blocks. + time.Sleep(time.Millisecond * 500) + + selfNode, err := ctx.graph.SourceNode() + require.NoError(t, err) + + // Create new router with same graph database. + router, err := NewBuilder(&Config{ + SelfNode: selfNode.PubKeyBytes, + Graph: ctx.graph, + Chain: ctx.chain, + ChainView: ctx.chainView, + ChannelPruneExpiry: time.Hour * 24, + GraphPruneInterval: time.Hour * 2, + + // We'll set the delay to zero to prune immediately. + FirstTimePruneDelay: 0, + IsAlias: func(scid lnwire.ShortChannelID) bool { + return false + }, + }) + require.NoError(t, err) + + // It should resync to the longer chain on startup. + if err := router.Start(); err != nil { + t.Fatalf("unable to start router: %v", err) + } + + // The channel with chanID2 should not be in the database anymore, + // since it is not confirmed on the longest chain. chanID1 should + // still be. + _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID1) + require.NoError(t, err) + + if !has { + t.Fatalf("did not find edge in graph") + } + if isZombie { + t.Fatal("edge was marked as zombie") + } + + _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID2) + } + if has { + t.Fatalf("found edge in graph") + } + if isZombie { + t.Fatal("reorged edge should not be marked as zombie") + } +} + +// TestDisconnectedBlocks checks that the router handles a reorg happening when +// it is active. +func TestDisconnectedBlocks(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + ctx := createTestCtxSingleNode(t, startingBlockHeight) + + const chanValue = 10000 + + // chanID1 will not be reorged out, while chanID2 will be reorged out. + var chanID1, chanID2 uint64 + + // Create 10 common blocks, confirming chanID1. + for i := uint32(1); i <= 10; i++ { + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + height := startingBlockHeight + i + if i == 5 { + fundingTx, _, chanID, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + chanValue, height) + if err != nil { + t.Fatalf("unable create channel edge: %v", err) + } + block.Transactions = append(block.Transactions, + fundingTx) + chanID1 = chanID.ToUint64() + + } + ctx.chain.addBlock(block, height, rand.Uint32()) + ctx.chain.setBestBlock(int32(height)) + ctx.chainView.notifyBlock(block.BlockHash(), height, + []*wire.MsgTx{}, t) + } + + // Give time to process new blocks + time.Sleep(time.Millisecond * 500) + + _, forkHeight, err := ctx.chain.GetBestBlock() + require.NoError(t, err, "unable to get best block") + + // Create 10 blocks on the minority chain, confirming chanID2. + var minorityChain []*wire.MsgBlock + for i := uint32(1); i <= 10; i++ { + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + height := uint32(forkHeight) + i + if i == 5 { + fundingTx, _, chanID, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + chanValue, height) + if err != nil { + t.Fatalf("unable create channel edge: %v", err) + } + block.Transactions = append(block.Transactions, + fundingTx) + chanID2 = chanID.ToUint64() + } + minorityChain = append(minorityChain, block) + ctx.chain.addBlock(block, height, rand.Uint32()) + ctx.chain.setBestBlock(int32(height)) + ctx.chainView.notifyBlock(block.BlockHash(), height, + []*wire.MsgTx{}, t) + } + // Give time to process new blocks + time.Sleep(time.Millisecond * 500) + + // Now add the two edges to the channel graph, and check that they + // correctly show up in the database. + node1 := createTestNode(t) + node2 := createTestNode(t) + + edge1 := &models.ChannelEdgeInfo{ + ChannelID: chanID1, + NodeKey1Bytes: node1.PubKeyBytes, + NodeKey2Bytes: node2.PubKeyBytes, + BitcoinKey1Bytes: node1.PubKeyBytes, + BitcoinKey2Bytes: node2.PubKeyBytes, + AuthProof: &models.ChannelAuthProof{ + NodeSig1Bytes: testSig.Serialize(), + NodeSig2Bytes: testSig.Serialize(), + BitcoinSig1Bytes: testSig.Serialize(), + BitcoinSig2Bytes: testSig.Serialize(), + }, + } + copy(edge1.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) + copy(edge1.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + + if err := ctx.builder.AddEdge(edge1); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + edge2 := &models.ChannelEdgeInfo{ + ChannelID: chanID2, + NodeKey1Bytes: node1.PubKeyBytes, + NodeKey2Bytes: node2.PubKeyBytes, + BitcoinKey1Bytes: node1.PubKeyBytes, + BitcoinKey2Bytes: node2.PubKeyBytes, + AuthProof: &models.ChannelAuthProof{ + NodeSig1Bytes: testSig.Serialize(), + NodeSig2Bytes: testSig.Serialize(), + BitcoinSig1Bytes: testSig.Serialize(), + BitcoinSig2Bytes: testSig.Serialize(), + }, + } + copy(edge2.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) + copy(edge2.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + + if err := ctx.builder.AddEdge(edge2); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + // Check that the fundingTxs are in the graph db. + _, _, has, isZombie, err := ctx.graph.HasChannelEdge(chanID1) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID1) + } + if !has { + t.Fatalf("could not find edge in graph") + } + if isZombie { + t.Fatal("edge was marked as zombie") + } + + _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID2) + } + if !has { + t.Fatalf("could not find edge in graph") + } + if isZombie { + t.Fatal("edge was marked as zombie") + } + + // Create a 15 block fork. We first let the chainView notify the router + // about stale blocks, before sending the now connected blocks. We do + // this because we expect this order from the chainview. + ctx.chainView.notifyStaleBlockAck = make(chan struct{}, 1) + for i := len(minorityChain) - 1; i >= 0; i-- { + block := minorityChain[i] + height := uint32(forkHeight) + uint32(i) + 1 + ctx.chainView.notifyStaleBlock(block.BlockHash(), height, + block.Transactions, t) + <-ctx.chainView.notifyStaleBlockAck + } + + time.Sleep(time.Second * 2) + + ctx.chainView.notifyBlockAck = make(chan struct{}, 1) + for i := uint32(1); i <= 15; i++ { + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + height := uint32(forkHeight) + i + ctx.chain.addBlock(block, height, rand.Uint32()) + ctx.chain.setBestBlock(int32(height)) + ctx.chainView.notifyBlock(block.BlockHash(), height, + block.Transactions, t) + <-ctx.chainView.notifyBlockAck + } + + time.Sleep(time.Millisecond * 500) + + // chanID2 should not be in the database anymore, since it is not + // confirmed on the longest chain. chanID1 should still be. + _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID1) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID1) + } + if !has { + t.Fatalf("did not find edge in graph") + } + if isZombie { + t.Fatal("edge was marked as zombie") + } + + _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID2) + } + if has { + t.Fatalf("found edge in graph") + } + if isZombie { + t.Fatal("reorged edge should not be marked as zombie") + } +} + +// TestChansClosedOfflinePruneGraph tests that if channels we know of are +// closed while we're offline, then once we resume operation of the +// ChannelRouter, then the channels are properly pruned. +func TestRouterChansClosedOfflinePruneGraph(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + ctx := createTestCtxSingleNode(t, startingBlockHeight) + + const chanValue = 10000 + + // First, we'll create a channel, to be mined shortly at height 102. + block102 := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + nextHeight := startingBlockHeight + 1 + fundingTx1, chanUTXO, chanID1, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + chanValue, uint32(nextHeight)) + require.NoError(t, err, "unable create channel edge") + block102.Transactions = append(block102.Transactions, fundingTx1) + ctx.chain.addBlock(block102, uint32(nextHeight), rand.Uint32()) + ctx.chain.setBestBlock(int32(nextHeight)) + ctx.chainView.notifyBlock(block102.BlockHash(), uint32(nextHeight), + []*wire.MsgTx{}, t) + + // We'll now create the edges and nodes within the database required + // for the ChannelRouter to properly recognize the channel we added + // above. + node1 := createTestNode(t) + node2 := createTestNode(t) + + edge1 := &models.ChannelEdgeInfo{ + ChannelID: chanID1.ToUint64(), + NodeKey1Bytes: node1.PubKeyBytes, + NodeKey2Bytes: node2.PubKeyBytes, + AuthProof: &models.ChannelAuthProof{ + NodeSig1Bytes: testSig.Serialize(), + NodeSig2Bytes: testSig.Serialize(), + BitcoinSig1Bytes: testSig.Serialize(), + BitcoinSig2Bytes: testSig.Serialize(), + }, + } + copy(edge1.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) + copy(edge1.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + if err := ctx.builder.AddEdge(edge1); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + // The router should now be aware of the channel we created above. + _, _, hasChan, isZombie, err := ctx.graph.HasChannelEdge(chanID1.ToUint64()) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID1) + } + if !hasChan { + t.Fatalf("could not find edge in graph") + } + if isZombie { + t.Fatal("edge was marked as zombie") + } + + // With the transaction included, and the router's database state + // updated, we'll now mine 5 additional blocks on top of it. + for i := 0; i < 5; i++ { + nextHeight++ + + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + ctx.chain.addBlock(block, uint32(nextHeight), rand.Uint32()) + ctx.chain.setBestBlock(int32(nextHeight)) + ctx.chainView.notifyBlock(block.BlockHash(), uint32(nextHeight), + []*wire.MsgTx{}, t) + } + + // At this point, our starting height should be 107. + _, chainHeight, err := ctx.chain.GetBestBlock() + require.NoError(t, err, "unable to get best block") + if chainHeight != 107 { + t.Fatalf("incorrect chain height: expected %v, got %v", + 107, chainHeight) + } + + // Next, we'll "shut down" the router in order to simulate downtime. + if err := ctx.builder.Stop(); err != nil { + t.Fatalf("unable to shutdown router: %v", err) + } + + // While the router is "offline" we'll mine 5 additional blocks, with + // the second block closing the channel we created above. + for i := 0; i < 5; i++ { + nextHeight++ + + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + + if i == 2 { + // For the second block, we'll add a transaction that + // closes the channel we created above by spending the + // output. + closingTx := wire.NewMsgTx(2) + closingTx.AddTxIn(&wire.TxIn{ + PreviousOutPoint: *chanUTXO, + }) + block.Transactions = append(block.Transactions, + closingTx) + } + + ctx.chain.addBlock(block, uint32(nextHeight), rand.Uint32()) + ctx.chain.setBestBlock(int32(nextHeight)) + ctx.chainView.notifyBlock(block.BlockHash(), uint32(nextHeight), + []*wire.MsgTx{}, t) + } + + // At this point, our starting height should be 112. + _, chainHeight, err = ctx.chain.GetBestBlock() + require.NoError(t, err, "unable to get best block") + if chainHeight != 112 { + t.Fatalf("incorrect chain height: expected %v, got %v", + 112, chainHeight) + } + + // Now we'll re-start the ChannelRouter. It should recognize that it's + // behind the main chain and prune all the blocks that it missed while + // it was down. + ctx.RestartBuilder(t) + + // At this point, the channel that was pruned should no longer be known + // by the router. + _, _, hasChan, isZombie, err = ctx.graph.HasChannelEdge(chanID1.ToUint64()) + if err != nil { + t.Fatalf("error looking for edge: %v", chanID1) + } + if hasChan { + t.Fatalf("channel was found in graph but shouldn't have been") + } + if isZombie { + t.Fatal("closed channel should not be marked as zombie") + } +} + +// TestPruneChannelGraphStaleEdges ensures that we properly prune stale edges +// from the channel graph. +func TestPruneChannelGraphStaleEdges(t *testing.T) { + t.Parallel() + + freshTimestamp := time.Now() + staleTimestamp := time.Unix(0, 0) + + // We'll create the following test graph so that two of the channels + // are pruned. + testChannels := []*testChannel{ + // No edges. + { + Node1: &testChannelEnd{Alias: "a"}, + Node2: &testChannelEnd{Alias: "b"}, + Capacity: 100000, + ChannelID: 1, + }, + + // Only one edge with a stale timestamp. + { + Node1: &testChannelEnd{ + Alias: "d", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: staleTimestamp, + }, + }, + Node2: &testChannelEnd{Alias: "b"}, + Capacity: 100000, + ChannelID: 2, + }, + + // Only one edge with a stale timestamp, but it's the source + // node so it won't get pruned. + { + Node1: &testChannelEnd{ + Alias: "a", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: staleTimestamp, + }, + }, + Node2: &testChannelEnd{Alias: "b"}, + Capacity: 100000, + ChannelID: 3, + }, + + // Only one edge with a fresh timestamp. + { + Node1: &testChannelEnd{ + Alias: "a", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: freshTimestamp, + }, + }, + Node2: &testChannelEnd{Alias: "b"}, + Capacity: 100000, + ChannelID: 4, + }, + + // One edge fresh, one edge stale. This will be pruned with + // strict pruning activated. + { + Node1: &testChannelEnd{ + Alias: "c", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: freshTimestamp, + }, + }, + Node2: &testChannelEnd{ + Alias: "d", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: staleTimestamp, + }, + }, + Capacity: 100000, + ChannelID: 5, + }, + + // Both edges fresh. + symmetricTestChannel("g", "h", 100000, &testChannelPolicy{ + LastUpdate: freshTimestamp, + }, 6), + + // Both edges stale, only one pruned. This should be pruned for + // both normal and strict pruning. + symmetricTestChannel("e", "f", 100000, &testChannelPolicy{ + LastUpdate: staleTimestamp, + }, 7), + } + + for _, strictPruning := range []bool{true, false} { + // We'll create our test graph and router backed with these test + // channels we've created. + testGraph, err := createTestGraphFromChannels( + t, true, testChannels, "a", + ) + if err != nil { + t.Fatalf("unable to create test graph: %v", err) + } + + const startingHeight = 100 + ctx := createTestCtxFromGraphInstance( + t, startingHeight, testGraph, strictPruning, + ) + + // All of the channels should exist before pruning them. + assertChannelsPruned(t, ctx.graph, testChannels) + + // Proceed to prune the channels - only the last one should be pruned. + if err := ctx.builder.pruneZombieChans(); err != nil { + t.Fatalf("unable to prune zombie channels: %v", err) + } + + // We expect channels that have either both edges stale, or one edge + // stale with both known. + var prunedChannels []uint64 + if strictPruning { + prunedChannels = []uint64{2, 5, 7} + } else { + prunedChannels = []uint64{2, 7} + } + assertChannelsPruned(t, ctx.graph, testChannels, prunedChannels...) + } +} + +// TestPruneChannelGraphDoubleDisabled test that we can properly prune channels +// with both edges disabled from our channel graph. +func TestPruneChannelGraphDoubleDisabled(t *testing.T) { + t.Parallel() + + t.Run("no_assumechannelvalid", func(t *testing.T) { + testPruneChannelGraphDoubleDisabled(t, false) + }) + t.Run("assumechannelvalid", func(t *testing.T) { + testPruneChannelGraphDoubleDisabled(t, true) + }) +} + +func testPruneChannelGraphDoubleDisabled(t *testing.T, assumeValid bool) { + // We'll create the following test graph so that only the last channel + // is pruned. We'll use a fresh timestamp to ensure they're not pruned + // according to that heuristic. + timestamp := time.Now() + testChannels := []*testChannel{ + // Channel from self shouldn't be pruned. + symmetricTestChannel( + "self", "a", 100000, &testChannelPolicy{ + LastUpdate: timestamp, + Disabled: true, + }, 99, + ), + + // No edges. + { + Node1: &testChannelEnd{Alias: "a"}, + Node2: &testChannelEnd{Alias: "b"}, + Capacity: 100000, + ChannelID: 1, + }, + + // Only one edge disabled. + { + Node1: &testChannelEnd{ + Alias: "a", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: timestamp, + Disabled: true, + }, + }, + Node2: &testChannelEnd{Alias: "b"}, + Capacity: 100000, + ChannelID: 2, + }, + + // Only one edge enabled. + { + Node1: &testChannelEnd{ + Alias: "a", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: timestamp, + Disabled: false, + }, + }, + Node2: &testChannelEnd{Alias: "b"}, + Capacity: 100000, + ChannelID: 3, + }, + + // One edge disabled, one edge enabled. + { + Node1: &testChannelEnd{ + Alias: "a", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: timestamp, + Disabled: true, + }, + }, + Node2: &testChannelEnd{ + Alias: "b", + testChannelPolicy: &testChannelPolicy{ + LastUpdate: timestamp, + Disabled: false, + }, + }, + Capacity: 100000, + ChannelID: 1, + }, + + // Both edges enabled. + symmetricTestChannel("c", "d", 100000, &testChannelPolicy{ + LastUpdate: timestamp, + Disabled: false, + }, 2), + + // Both edges disabled, only one pruned. + symmetricTestChannel("e", "f", 100000, &testChannelPolicy{ + LastUpdate: timestamp, + Disabled: true, + }, 3), + } + + // We'll create our test graph and router backed with these test + // channels we've created. + testGraph, err := createTestGraphFromChannels( + t, true, testChannels, "self", + ) + require.NoError(t, err, "unable to create test graph") + + const startingHeight = 100 + ctx := createTestCtxFromGraphInstanceAssumeValid( + t, startingHeight, testGraph, assumeValid, false, + ) + + // All the channels should exist within the graph before pruning them + // when not using AssumeChannelValid, otherwise we should have pruned + // the last channel on startup. + if !assumeValid { + assertChannelsPruned(t, ctx.graph, testChannels) + } else { + // Sleep to allow the pruning to finish. + time.Sleep(200 * time.Millisecond) + + prunedChannel := testChannels[len(testChannels)-1].ChannelID + assertChannelsPruned(t, ctx.graph, testChannels, prunedChannel) + } + + if err := ctx.builder.pruneZombieChans(); err != nil { + t.Fatalf("unable to prune zombie channels: %v", err) + } + + // If we attempted to prune them without AssumeChannelValid being set, + // none should be pruned. Otherwise the last channel should still be + // pruned. + if !assumeValid { + assertChannelsPruned(t, ctx.graph, testChannels) + } else { + prunedChannel := testChannels[len(testChannels)-1].ChannelID + assertChannelsPruned(t, ctx.graph, testChannels, prunedChannel) + } +} + +// TestIsStaleNode tests that the IsStaleNode method properly detects stale +// node announcements. +func TestIsStaleNode(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + ctx := createTestCtxSingleNode(t, startingBlockHeight) + + // Before we can insert a node in to the database, we need to create a + // channel that it's linked to. + var ( + pub1 [33]byte + pub2 [33]byte + ) + copy(pub1[:], priv1.PubKey().SerializeCompressed()) + copy(pub2[:], priv2.PubKey().SerializeCompressed()) + + fundingTx, _, chanID, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + 10000, 500) + require.NoError(t, err, "unable to create channel edge") + fundingBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{fundingTx}, + } + ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + + edge := &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + NodeKey1Bytes: pub1, + NodeKey2Bytes: pub2, + BitcoinKey1Bytes: pub1, + BitcoinKey2Bytes: pub2, + AuthProof: nil, + } + if err := ctx.builder.AddEdge(edge); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + // Before we add the node, if we query for staleness, we should get + // false, as we haven't added the full node. + updateTimeStamp := time.Unix(123, 0) + if ctx.builder.IsStaleNode(pub1, updateTimeStamp) { + t.Fatalf("incorrectly detected node as stale") + } + + // With the node stub in the database, we'll add the fully node + // announcement to the database. + n1 := &channeldb.LightningNode{ + HaveNodeAnnouncement: true, + LastUpdate: updateTimeStamp, + Addresses: testAddrs, + Color: color.RGBA{1, 2, 3, 0}, + Alias: "node11", + AuthSigBytes: testSig.Serialize(), + Features: testFeatures, + } + copy(n1.PubKeyBytes[:], priv1.PubKey().SerializeCompressed()) + if err := ctx.builder.AddNode(n1); err != nil { + t.Fatalf("could not add node: %v", err) + } + + // If we use the same timestamp and query for staleness, we should get + // true. + if !ctx.builder.IsStaleNode(pub1, updateTimeStamp) { + t.Fatalf("failure to detect stale node update") + } + + // If we update the timestamp and once again query for staleness, it + // should report false. + newTimeStamp := time.Unix(1234, 0) + if ctx.builder.IsStaleNode(pub1, newTimeStamp) { + t.Fatalf("incorrectly detected node as stale") + } +} + +// TestIsKnownEdge tests that the IsKnownEdge method properly detects stale +// channel announcements. +func TestIsKnownEdge(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + ctx := createTestCtxSingleNode(t, startingBlockHeight) + + // First, we'll create a new channel edge (just the info) and insert it + // into the database. + var ( + pub1 [33]byte + pub2 [33]byte + ) + copy(pub1[:], priv1.PubKey().SerializeCompressed()) + copy(pub2[:], priv2.PubKey().SerializeCompressed()) + + fundingTx, _, chanID, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + 10000, 500) + require.NoError(t, err, "unable to create channel edge") + fundingBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{fundingTx}, + } + ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + + edge := &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + NodeKey1Bytes: pub1, + NodeKey2Bytes: pub2, + BitcoinKey1Bytes: pub1, + BitcoinKey2Bytes: pub2, + AuthProof: nil, + } + if err := ctx.builder.AddEdge(edge); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + // Now that the edge has been inserted, query is the router already + // knows of the edge should return true. + if !ctx.builder.IsKnownEdge(*chanID) { + t.Fatalf("router should detect edge as known") + } +} + +// TestIsStaleEdgePolicy tests that the IsStaleEdgePolicy properly detects +// stale channel edge update announcements. +func TestIsStaleEdgePolicy(t *testing.T) { + t.Parallel() + + const startingBlockHeight = 101 + ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) + + // First, we'll create a new channel edge (just the info) and insert it + // into the database. + var ( + pub1 [33]byte + pub2 [33]byte + ) + copy(pub1[:], priv1.PubKey().SerializeCompressed()) + copy(pub2[:], priv2.PubKey().SerializeCompressed()) + + fundingTx, _, chanID, err := createChannelEdge(ctx, + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + 10000, 500) + require.NoError(t, err, "unable to create channel edge") + fundingBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{fundingTx}, + } + ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + + // If we query for staleness before adding the edge, we should get + // false. + updateTimeStamp := time.Unix(123, 0) + if ctx.builder.IsStaleEdgePolicy(*chanID, updateTimeStamp, 0) { + t.Fatalf("router failed to detect fresh edge policy") + } + if ctx.builder.IsStaleEdgePolicy(*chanID, updateTimeStamp, 1) { + t.Fatalf("router failed to detect fresh edge policy") + } + + edge := &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + NodeKey1Bytes: pub1, + NodeKey2Bytes: pub2, + BitcoinKey1Bytes: pub1, + BitcoinKey2Bytes: pub2, + AuthProof: nil, + } + if err := ctx.builder.AddEdge(edge); err != nil { + t.Fatalf("unable to add edge: %v", err) + } + + // We'll also add two edge policies, one for each direction. + edgePolicy := &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + ChannelID: edge.ChannelID, + LastUpdate: updateTimeStamp, + TimeLockDelta: 10, + MinHTLC: 1, + FeeBaseMSat: 10, + FeeProportionalMillionths: 10000, + } + edgePolicy.ChannelFlags = 0 + if err := ctx.builder.UpdateEdge(edgePolicy); err != nil { + t.Fatalf("unable to update edge policy: %v", err) + } + + edgePolicy = &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + ChannelID: edge.ChannelID, + LastUpdate: updateTimeStamp, + TimeLockDelta: 10, + MinHTLC: 1, + FeeBaseMSat: 10, + FeeProportionalMillionths: 10000, + } + edgePolicy.ChannelFlags = 1 + if err := ctx.builder.UpdateEdge(edgePolicy); err != nil { + t.Fatalf("unable to update edge policy: %v", err) + } + + // Now that the edges have been added, an identical (chanID, flag, + // timestamp) tuple for each edge should be detected as a stale edge. + if !ctx.builder.IsStaleEdgePolicy(*chanID, updateTimeStamp, 0) { + t.Fatalf("router failed to detect stale edge policy") + } + if !ctx.builder.IsStaleEdgePolicy(*chanID, updateTimeStamp, 1) { + t.Fatalf("router failed to detect stale edge policy") + } + + // If we now update the timestamp for both edges, the router should + // detect that this tuple represents a fresh edge. + updateTimeStamp = time.Unix(9999, 0) + if ctx.builder.IsStaleEdgePolicy(*chanID, updateTimeStamp, 0) { + t.Fatalf("router failed to detect fresh edge policy") + } + if ctx.builder.IsStaleEdgePolicy(*chanID, updateTimeStamp, 1) { + t.Fatalf("router failed to detect fresh edge policy") + } +} + +// edgeCreationModifier is an enum-like type used to modify steps that are +// skipped when creating a channel in the test context. +type edgeCreationModifier uint8 + +const ( + // edgeCreationNoFundingTx is used to skip adding the funding + // transaction of an edge to the chain. + edgeCreationNoFundingTx edgeCreationModifier = iota + + // edgeCreationNoUTXO is used to skip adding the UTXO of a channel to + // the UTXO set. + edgeCreationNoUTXO + + // edgeCreationBadScript is used to create the edge, but use the wrong + // scrip which should cause it to fail output validation. + edgeCreationBadScript +) + +// newChannelEdgeInfo is a helper function used to create a new channel edge, +// possibly skipping adding it to parts of the chain/state as well. +func newChannelEdgeInfo(t *testing.T, ctx *testCtx, fundingHeight uint32, + ecm edgeCreationModifier) (*models.ChannelEdgeInfo, error) { + + node1 := createTestNode(t) + node2 := createTestNode(t) + + fundingTx, _, chanID, err := createChannelEdge( + ctx, bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), 100, fundingHeight, + ) + if err != nil { + return nil, fmt.Errorf("unable to create edge: %w", err) + } + + edge := &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + NodeKey1Bytes: node1.PubKeyBytes, + NodeKey2Bytes: node2.PubKeyBytes, + } + copy(edge.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) + copy(edge.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + + if ecm == edgeCreationNoFundingTx { + return edge, nil + } + + fundingBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{fundingTx}, + } + ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + + if ecm == edgeCreationNoUTXO { + ctx.chain.delUtxo(wire.OutPoint{ + Hash: fundingTx.TxHash(), + }) + } + + if ecm == edgeCreationBadScript { + fundingTx.TxOut[0].PkScript[0] ^= 1 + } + + return edge, nil +} + +func assertChanChainRejection(t *testing.T, ctx *testCtx, + edge *models.ChannelEdgeInfo, failCode errorCode) { + + t.Helper() + + err := ctx.builder.AddEdge(edge) + if !IsError(err, failCode) { + t.Fatalf("validation should have failed: %v", err) + } + + // This channel should now be present in the zombie channel index. + _, _, _, isZombie, err := ctx.graph.HasChannelEdge( + edge.ChannelID, + ) + require.Nil(t, err) + require.True(t, isZombie, "edge should be marked as zombie") +} + +// TestChannelOnChainRejectionZombie tests that if we fail validating a channel +// due to some sort of on-chain rejection (no funding transaction, or invalid +// UTXO), then we'll mark the channel as a zombie. +func TestChannelOnChainRejectionZombie(t *testing.T) { + t.Parallel() + + ctx := createTestCtxSingleNode(t, 0) + + // To start, we'll make an edge for the channel, but we won't add the + // funding transaction to the mock blockchain, which should cause the + // validation to fail below. + edge, err := newChannelEdgeInfo(t, ctx, 1, edgeCreationNoFundingTx) + require.Nil(t, err) + + // We expect this to fail as the transaction isn't present in the + // chain (nor the block). + assertChanChainRejection(t, ctx, edge, ErrNoFundingTransaction) + + // Next, we'll make another channel edge, but actually add it to the + // graph this time. + edge, err = newChannelEdgeInfo(t, ctx, 2, edgeCreationNoUTXO) + require.Nil(t, err) + + // Instead now, we'll remove it from the set of UTXOs which should + // cause the spentness validation to fail. + assertChanChainRejection(t, ctx, edge, ErrChannelSpent) + + // If we cause the funding transaction the chain to fail validation, we + // should see similar behavior. + edge, err = newChannelEdgeInfo(t, ctx, 3, edgeCreationBadScript) + require.Nil(t, err) + assertChanChainRejection(t, ctx, edge, ErrInvalidFundingOutput) +} + +// TestBlockDifferenceFix tests if when the router is behind on blocks, the +// router catches up to the best block head. +func TestBlockDifferenceFix(t *testing.T) { + t.Parallel() + + initialBlockHeight := uint32(0) + + // Starting height here is set to 0, which is behind where we want to + // be. + ctx := createTestCtxSingleNode(t, initialBlockHeight) + + // Add initial block to our mini blockchain. + block := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + ctx.chain.addBlock(block, initialBlockHeight, rand.Uint32()) + + // Let's generate a new block of height 5, 5 above where our node is at. + newBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + } + newBlockHeight := uint32(5) + + blockDifference := newBlockHeight - initialBlockHeight + + ctx.chainView.notifyBlockAck = make(chan struct{}, 1) + + ctx.chain.addBlock(newBlock, newBlockHeight, rand.Uint32()) + ctx.chain.setBestBlock(int32(newBlockHeight)) + ctx.chainView.notifyBlock(block.BlockHash(), newBlockHeight, + []*wire.MsgTx{}, t) + + <-ctx.chainView.notifyBlockAck + + // At this point, the chain notifier should have noticed that we're + // behind on blocks, and will send the n missing blocks that we + // need to the client's epochs channel. Let's replicate this + // functionality. + for i := 0; i < int(blockDifference); i++ { + currBlockHeight := int32(i + 1) + + nonce := rand.Uint32() + + newBlock := &wire.MsgBlock{ + Transactions: []*wire.MsgTx{}, + Header: wire.BlockHeader{Nonce: nonce}, + } + ctx.chain.addBlock(newBlock, uint32(currBlockHeight), nonce) + currHash := newBlock.Header.BlockHash() + + newEpoch := &chainntnfs.BlockEpoch{ + Height: currBlockHeight, + Hash: &currHash, + } + + ctx.notifier.EpochChan <- newEpoch + + ctx.chainView.notifyBlock(currHash, + uint32(currBlockHeight), block.Transactions, t) + + <-ctx.chainView.notifyBlockAck + } + + err := wait.NoError(func() error { + // Then router height should be updated to the latest block. + if atomic.LoadUint32(&ctx.builder.bestHeight) != newBlockHeight { + return fmt.Errorf("height should have been updated "+ + "to %v, instead got %v", newBlockHeight, + ctx.builder.bestHeight) + } + + return nil + }, testTimeout) + require.NoError(t, err, "block height wasn't updated") +} + +func createTestCtxFromFile(t *testing.T, + startingHeight uint32, testGraph string) *testCtx { + + // We'll attempt to locate and parse out the file + // that encodes the graph that our tests should be run against. + graphInstance, err := parseTestGraph(t, true, testGraph) + require.NoError(t, err, "unable to create test graph") + + return createTestCtxFromGraphInstance( + t, startingHeight, graphInstance, false, + ) +} + +// parseTestGraph returns a fully populated ChannelGraph given a path to a JSON +// file which encodes a test graph. +func parseTestGraph(t *testing.T, useCache bool, path string) ( + *testGraphInstance, error) { + + graphJSON, err := os.ReadFile(path) + if err != nil { + return nil, err + } + + // First unmarshal the JSON graph into an instance of the testGraph + // struct. Using the struct tags created above in the struct, the JSON + // will be properly parsed into the struct above. + var g testGraph + if err := json.Unmarshal(graphJSON, &g); err != nil { + return nil, err + } + + // We'll use this fake address for the IP address of all the nodes in + // our tests. This value isn't needed for path finding so it doesn't + // need to be unique. + var testAddrs []net.Addr + testAddr, err := net.ResolveTCPAddr("tcp", "192.0.0.1:8888") + if err != nil { + return nil, err + } + testAddrs = append(testAddrs, testAddr) + + // Next, create a temporary graph database for usage within the test. + graph, graphBackend, err := makeTestGraph(t, useCache) + if err != nil { + return nil, err + } + + aliasMap := make(map[string]route.Vertex) + privKeyMap := make(map[string]*btcec.PrivateKey) + channelIDs := make(map[route.Vertex]map[route.Vertex]uint64) + links := make(map[lnwire.ShortChannelID]htlcswitch.ChannelLink) + var source *channeldb.LightningNode + + // First we insert all the nodes within the graph as vertexes. + for _, node := range g.Nodes { + pubBytes, err := hex.DecodeString(node.PubKey) + if err != nil { + return nil, err + } + + dbNode := &channeldb.LightningNode{ + HaveNodeAnnouncement: true, + AuthSigBytes: testSig.Serialize(), + LastUpdate: testTime, + Addresses: testAddrs, + Alias: node.Alias, + Features: testFeatures, + } + copy(dbNode.PubKeyBytes[:], pubBytes) + + // We require all aliases within the graph to be unique for our + // tests. + if _, ok := aliasMap[node.Alias]; ok { + return nil, errors.New("aliases for nodes " + + "must be unique!") + } + + // If the alias is unique, then add the node to the + // alias map for easy lookup. + aliasMap[node.Alias] = dbNode.PubKeyBytes + + // private keys are needed for signing error messages. If set + // check the consistency with the public key. + privBytes, err := hex.DecodeString(node.PrivKey) + if err != nil { + return nil, err + } + if len(privBytes) > 0 { + key, derivedPub := btcec.PrivKeyFromBytes( + privBytes, + ) + + if !bytes.Equal( + pubBytes, derivedPub.SerializeCompressed(), + ) { + + return nil, fmt.Errorf("%s public key and "+ + "private key are inconsistent\n"+ + "got %x\nwant %x\n", + node.Alias, + derivedPub.SerializeCompressed(), + pubBytes, + ) + } + + privKeyMap[node.Alias] = key + } + + // If the node is tagged as the source, then we create a + // pointer to is so we can mark the source in the graph + // properly. + if node.Source { + // If we come across a node that's marked as the + // source, and we've already set the source in a prior + // iteration, then the JSON has an error as only ONE + // node can be the source in the graph. + if source != nil { + return nil, errors.New("JSON is invalid " + + "multiple nodes are tagged as the " + + "source") + } + + source = dbNode + } + + // With the node fully parsed, add it as a vertex within the + // graph. + if err := graph.AddLightningNode(dbNode); err != nil { + return nil, err + } + } + + if source != nil { + // Set the selected source node + if err := graph.SetSourceNode(source); err != nil { + return nil, err + } + } + + // With all the vertexes inserted, we can now insert the edges into the + // test graph. + for _, edge := range g.Edges { + node1Bytes, err := hex.DecodeString(edge.Node1) + if err != nil { + return nil, err + } + + node2Bytes, err := hex.DecodeString(edge.Node2) + if err != nil { + return nil, err + } + + if bytes.Compare(node1Bytes, node2Bytes) == 1 { + return nil, fmt.Errorf( + "channel %v node order incorrect", + edge.ChannelID, + ) + } + + fundingTXID := strings.Split(edge.ChannelPoint, ":")[0] + txidBytes, err := chainhash.NewHashFromStr(fundingTXID) + if err != nil { + return nil, err + } + fundingPoint := wire.OutPoint{ + Hash: *txidBytes, + Index: 0, + } + + // We first insert the existence of the edge between the two + // nodes. + edgeInfo := models.ChannelEdgeInfo{ + ChannelID: edge.ChannelID, + AuthProof: &testAuthProof, + ChannelPoint: fundingPoint, + Capacity: btcutil.Amount(edge.Capacity), + } + + copy(edgeInfo.NodeKey1Bytes[:], node1Bytes) + copy(edgeInfo.NodeKey2Bytes[:], node2Bytes) + copy(edgeInfo.BitcoinKey1Bytes[:], node1Bytes) + copy(edgeInfo.BitcoinKey2Bytes[:], node2Bytes) + + shortID := lnwire.NewShortChanIDFromInt(edge.ChannelID) + links[shortID] = &mockLink{ + bandwidth: lnwire.MilliSatoshi( + edgeInfo.Capacity * 1000, + ), + } + + err = graph.AddChannelEdge(&edgeInfo) + if err != nil && err != channeldb.ErrEdgeAlreadyExist { + return nil, err + } + + channelFlags := lnwire.ChanUpdateChanFlags(edge.ChannelFlags) + isUpdate1 := channelFlags&lnwire.ChanUpdateDirection == 0 + targetNode := edgeInfo.NodeKey1Bytes + if isUpdate1 { + targetNode = edgeInfo.NodeKey2Bytes + } + + edgePolicy := &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + MessageFlags: lnwire.ChanUpdateMsgFlags(edge.MessageFlags), + ChannelFlags: channelFlags, + ChannelID: edge.ChannelID, + LastUpdate: testTime, + TimeLockDelta: edge.Expiry, + MinHTLC: lnwire.MilliSatoshi(edge.MinHTLC), + MaxHTLC: lnwire.MilliSatoshi(edge.MaxHTLC), + FeeBaseMSat: lnwire.MilliSatoshi(edge.FeeBaseMsat), + FeeProportionalMillionths: lnwire.MilliSatoshi(edge.FeeRate), + ToNode: targetNode, + } + if err := graph.UpdateEdgePolicy(edgePolicy); err != nil { + return nil, err + } + + // We also store the channel IDs info for each of the node. + node1Vertex, err := route.NewVertexFromBytes(node1Bytes) + if err != nil { + return nil, err + } + + node2Vertex, err := route.NewVertexFromBytes(node2Bytes) + if err != nil { + return nil, err + } + + if _, ok := channelIDs[node1Vertex]; !ok { + channelIDs[node1Vertex] = map[route.Vertex]uint64{} + } + channelIDs[node1Vertex][node2Vertex] = edge.ChannelID + + if _, ok := channelIDs[node2Vertex]; !ok { + channelIDs[node2Vertex] = map[route.Vertex]uint64{} + } + channelIDs[node2Vertex][node1Vertex] = edge.ChannelID + } + + return &testGraphInstance{ + graph: graph, + graphBackend: graphBackend, + aliasMap: aliasMap, + privKeyMap: privKeyMap, + channelIDs: channelIDs, + links: links, + }, nil +} + +// testGraph is the struct which corresponds to the JSON format used to encode +// graphs within the files in the testdata directory. +// +// TODO(roasbeef): add test graph auto-generator +type testGraph struct { + Info []string `json:"info"` + Nodes []testNode `json:"nodes"` + Edges []testChan `json:"edges"` +} + +// testNode represents a node within the test graph above. We skip certain +// information such as the node's IP address as that information isn't needed +// for our tests. Private keys are optional. If set, they should be consistent +// with the public key. The private key is used to sign error messages +// sent from the node. +type testNode struct { + Source bool `json:"source"` + PubKey string `json:"pubkey"` + PrivKey string `json:"privkey"` + Alias string `json:"alias"` +} + +// testChan represents the JSON version of a payment channel. This struct +// matches the Json that's encoded under the "edges" key within the test graph. +type testChan struct { + Node1 string `json:"node_1"` + Node2 string `json:"node_2"` + ChannelID uint64 `json:"channel_id"` + ChannelPoint string `json:"channel_point"` + ChannelFlags uint8 `json:"channel_flags"` + MessageFlags uint8 `json:"message_flags"` + Expiry uint16 `json:"expiry"` + MinHTLC int64 `json:"min_htlc"` + MaxHTLC int64 `json:"max_htlc"` + FeeBaseMsat int64 `json:"fee_base_msat"` + FeeRate int64 `json:"fee_rate"` + Capacity int64 `json:"capacity"` +} + +type testChannel struct { + Node1 *testChannelEnd + Node2 *testChannelEnd + Capacity btcutil.Amount + ChannelID uint64 +} + +type testChannelEnd struct { + Alias string + *testChannelPolicy +} + +func symmetricTestChannel(alias1, alias2 string, capacity btcutil.Amount, + policy *testChannelPolicy, chanID ...uint64) *testChannel { + + // Leaving id zero will result in auto-generation of a channel id during + // graph construction. + var id uint64 + if len(chanID) > 0 { + id = chanID[0] + } + + policy2 := *policy + + return asymmetricTestChannel( + alias1, alias2, capacity, policy, &policy2, id, + ) +} + +func asymmetricTestChannel(alias1, alias2 string, capacity btcutil.Amount, + policy1, policy2 *testChannelPolicy, id uint64) *testChannel { + + return &testChannel{ + Capacity: capacity, + Node1: &testChannelEnd{ + Alias: alias1, + testChannelPolicy: policy1, + }, + Node2: &testChannelEnd{ + Alias: alias2, + testChannelPolicy: policy2, + }, + ChannelID: id, + } +} + +// assertChannelsPruned ensures that only the given channels are pruned from the +// graph out of the set of all channels. +func assertChannelsPruned(t *testing.T, graph *channeldb.ChannelGraph, + channels []*testChannel, prunedChanIDs ...uint64) { + + t.Helper() + + pruned := make(map[uint64]struct{}, len(channels)) + for _, chanID := range prunedChanIDs { + pruned[chanID] = struct{}{} + } + + for _, channel := range channels { + _, shouldPrune := pruned[channel.ChannelID] + _, _, exists, isZombie, err := graph.HasChannelEdge( + channel.ChannelID, + ) + if err != nil { + t.Fatalf("unable to determine existence of "+ + "channel=%v in the graph: %v", + channel.ChannelID, err) + } + if !shouldPrune && !exists { + t.Fatalf("expected channel=%v to exist within "+ + "the graph", channel.ChannelID) + } + if shouldPrune && exists { + t.Fatalf("expected channel=%v to not exist "+ + "within the graph", channel.ChannelID) + } + if !shouldPrune && isZombie { + t.Fatalf("expected channel=%v to not be marked "+ + "as zombie", channel.ChannelID) + } + if shouldPrune && !isZombie { + t.Fatalf("expected channel=%v to be marked as "+ + "zombie", channel.ChannelID) + } + } +} + +type testChannelPolicy struct { + Expiry uint16 + MinHTLC lnwire.MilliSatoshi + MaxHTLC lnwire.MilliSatoshi + FeeBaseMsat lnwire.MilliSatoshi + FeeRate lnwire.MilliSatoshi + InboundFeeBaseMsat int64 + InboundFeeRate int64 + LastUpdate time.Time + Disabled bool + Features *lnwire.FeatureVector +} + +// createTestGraphFromChannels returns a fully populated ChannelGraph based on a set of +// test channels. Additional required information like keys are derived in +// a deterministic way and added to the channel graph. A list of nodes is +// not required and derived from the channel data. The goal is to keep +// instantiating a test channel graph as light weight as possible. +func createTestGraphFromChannels(t *testing.T, useCache bool, + testChannels []*testChannel, source string) (*testGraphInstance, error) { + + // We'll use this fake address for the IP address of all the nodes in + // our tests. This value isn't needed for path finding so it doesn't + // need to be unique. + var testAddrs []net.Addr + testAddr, err := net.ResolveTCPAddr("tcp", "192.0.0.1:8888") + if err != nil { + return nil, err + } + testAddrs = append(testAddrs, testAddr) + + // Next, create a temporary graph database for usage within the test. + graph, graphBackend, err := makeTestGraph(t, useCache) + if err != nil { + return nil, err + } + + aliasMap := make(map[string]route.Vertex) + privKeyMap := make(map[string]*btcec.PrivateKey) + + nodeIndex := byte(0) + addNodeWithAlias := func(alias string, features *lnwire.FeatureVector) ( + *channeldb.LightningNode, error) { + + keyBytes := []byte{ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, nodeIndex + 1, + } + + privKey, pubKey := btcec.PrivKeyFromBytes(keyBytes) + + if features == nil { + features = lnwire.EmptyFeatureVector() + } + + dbNode := &channeldb.LightningNode{ + HaveNodeAnnouncement: true, + AuthSigBytes: testSig.Serialize(), + LastUpdate: testTime, + Addresses: testAddrs, + Alias: alias, + Features: features, + } + + copy(dbNode.PubKeyBytes[:], pubKey.SerializeCompressed()) + + privKeyMap[alias] = privKey + + // With the node fully parsed, add it as a vertex within the + // graph. + if err := graph.AddLightningNode(dbNode); err != nil { + return nil, err + } + + aliasMap[alias] = dbNode.PubKeyBytes + nodeIndex++ + + return dbNode, nil + } + + // Add the source node. + dbNode, err := addNodeWithAlias(source, lnwire.EmptyFeatureVector()) + if err != nil { + return nil, err + } + + if err = graph.SetSourceNode(dbNode); err != nil { + return nil, err + } + + // Initialize variable that keeps track of the next channel id to assign + // if none is specified. + nextUnassignedChannelID := uint64(100000) + + links := make(map[lnwire.ShortChannelID]htlcswitch.ChannelLink) + + for _, testChannel := range testChannels { + for _, node := range []*testChannelEnd{ + testChannel.Node1, testChannel.Node2, + } { + _, exists := aliasMap[node.Alias] + if !exists { + var features *lnwire.FeatureVector + if node.testChannelPolicy != nil { + features = + node.testChannelPolicy.Features + } + _, err := addNodeWithAlias( + node.Alias, features, + ) + if err != nil { + return nil, err + } + } + } + + channelID := testChannel.ChannelID + + // If no channel id is specified, generate an id. + if channelID == 0 { + channelID = nextUnassignedChannelID + nextUnassignedChannelID++ + } + + var hash [sha256.Size]byte + hash[len(hash)-1] = byte(channelID) + + fundingPoint := &wire.OutPoint{ + Hash: chainhash.Hash(hash), + Index: 0, + } + + capacity := lnwire.MilliSatoshi(testChannel.Capacity * 1000) + shortID := lnwire.NewShortChanIDFromInt(channelID) + links[shortID] = &mockLink{ + bandwidth: capacity, + } + + // Sort nodes + node1 := testChannel.Node1 + node2 := testChannel.Node2 + node1Vertex := aliasMap[node1.Alias] + node2Vertex := aliasMap[node2.Alias] + if bytes.Compare(node1Vertex[:], node2Vertex[:]) == 1 { + node1, node2 = node2, node1 + node1Vertex, node2Vertex = node2Vertex, node1Vertex + } + + // We first insert the existence of the edge between the two + // nodes. + edgeInfo := models.ChannelEdgeInfo{ + ChannelID: channelID, + AuthProof: &testAuthProof, + ChannelPoint: *fundingPoint, + Capacity: testChannel.Capacity, + + NodeKey1Bytes: node1Vertex, + BitcoinKey1Bytes: node1Vertex, + NodeKey2Bytes: node2Vertex, + BitcoinKey2Bytes: node2Vertex, + } + + err = graph.AddChannelEdge(&edgeInfo) + if err != nil && err != channeldb.ErrEdgeAlreadyExist { + return nil, err + } + + getExtraData := func( + end *testChannelEnd) lnwire.ExtraOpaqueData { + + var extraData lnwire.ExtraOpaqueData + inboundFee := lnwire.Fee{ + BaseFee: int32(end.InboundFeeBaseMsat), + FeeRate: int32(end.InboundFeeRate), + } + require.NoError(t, extraData.PackRecords(&inboundFee)) + + return extraData + } + + if node1.testChannelPolicy != nil { + var msgFlags lnwire.ChanUpdateMsgFlags + if node1.MaxHTLC != 0 { + msgFlags |= lnwire.ChanUpdateRequiredMaxHtlc + } + var channelFlags lnwire.ChanUpdateChanFlags + if node1.Disabled { + channelFlags |= lnwire.ChanUpdateDisabled + } + + edgePolicy := &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + MessageFlags: msgFlags, + ChannelFlags: channelFlags, + ChannelID: channelID, + LastUpdate: node1.LastUpdate, + TimeLockDelta: node1.Expiry, + MinHTLC: node1.MinHTLC, + MaxHTLC: node1.MaxHTLC, + FeeBaseMSat: node1.FeeBaseMsat, + FeeProportionalMillionths: node1.FeeRate, + ToNode: node2Vertex, + ExtraOpaqueData: getExtraData(node1), + } + if err := graph.UpdateEdgePolicy(edgePolicy); err != nil { + return nil, err + } + } + + if node2.testChannelPolicy != nil { + var msgFlags lnwire.ChanUpdateMsgFlags + if node2.MaxHTLC != 0 { + msgFlags |= lnwire.ChanUpdateRequiredMaxHtlc + } + var channelFlags lnwire.ChanUpdateChanFlags + if node2.Disabled { + channelFlags |= lnwire.ChanUpdateDisabled + } + channelFlags |= lnwire.ChanUpdateDirection + + edgePolicy := &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + MessageFlags: msgFlags, + ChannelFlags: channelFlags, + ChannelID: channelID, + LastUpdate: node2.LastUpdate, + TimeLockDelta: node2.Expiry, + MinHTLC: node2.MinHTLC, + MaxHTLC: node2.MaxHTLC, + FeeBaseMSat: node2.FeeBaseMsat, + FeeProportionalMillionths: node2.FeeRate, + ToNode: node1Vertex, + ExtraOpaqueData: getExtraData(node2), + } + if err := graph.UpdateEdgePolicy(edgePolicy); err != nil { + return nil, err + } + } + + channelID++ + } + + return &testGraphInstance{ + graph: graph, + graphBackend: graphBackend, + aliasMap: aliasMap, + privKeyMap: privKeyMap, + links: links, + }, nil +} + +type mockLink struct { + htlcswitch.ChannelLink + bandwidth lnwire.MilliSatoshi + mayAddOutgoingErr error + ineligible bool +} + +// Bandwidth returns the bandwidth the mock was configured with. +func (m *mockLink) Bandwidth() lnwire.MilliSatoshi { + return m.bandwidth +} + +// EligibleToForward returns the mock's configured eligibility. +func (m *mockLink) EligibleToForward() bool { + return !m.ineligible +} + +// MayAddOutgoingHtlc returns the error configured in our mock. +func (m *mockLink) MayAddOutgoingHtlc(_ lnwire.MilliSatoshi) error { + return m.mayAddOutgoingErr +} diff --git a/routing/errors.go b/graph/errors.go similarity index 80% rename from routing/errors.go rename to graph/errors.go index 95ed613ca0..c0d6b8904a 100644 --- a/routing/errors.go +++ b/graph/errors.go @@ -1,4 +1,4 @@ -package routing +package graph import "github.com/go-errors/errors" @@ -39,27 +39,27 @@ const ( ErrParentValidationFailed ) -// routerError is a structure that represent the error inside the routing package, +// graphError is a structure that represent the error inside the graph package, // this structure carries additional information about error code in order to // be able distinguish errors outside of the current package. -type routerError struct { +type graphError struct { err *errors.Error code errorCode } // Error represents errors as the string // NOTE: Part of the error interface. -func (e *routerError) Error() string { +func (e *graphError) Error() string { return e.err.Error() } -// A compile time check to ensure routerError implements the error interface. -var _ error = (*routerError)(nil) +// A compile time check to ensure graphError implements the error interface. +var _ error = (*graphError)(nil) -// newErrf creates a routerError by the given error formatted description and +// newErrf creates a graphError by the given error formatted description and // its corresponding error code. -func newErrf(code errorCode, format string, a ...interface{}) *routerError { - return &routerError{ +func newErrf(code errorCode, format string, a ...interface{}) *graphError { + return &graphError{ code: code, err: errors.Errorf(format, a...), } @@ -68,7 +68,7 @@ func newErrf(code errorCode, format string, a ...interface{}) *routerError { // IsError is a helper function which is needed to have ability to check that // returned error has specific error code. func IsError(e interface{}, codes ...errorCode) bool { - err, ok := e.(*routerError) + err, ok := e.(*graphError) if !ok { return false } diff --git a/routing/notifications.go b/graph/notifications.go similarity index 95% rename from routing/notifications.go rename to graph/notifications.go index 7263b9a47c..36f4e09a97 100644 --- a/routing/notifications.go +++ b/graph/notifications.go @@ -1,4 +1,4 @@ -package routing +package graph import ( "fmt" @@ -13,7 +13,6 @@ import ( "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" - "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/lnwire" ) @@ -57,16 +56,16 @@ type topologyClientUpdate struct { // topology occurs. Changes that will be sent at notifications include: new // nodes appearing, node updating their attributes, new channels, channels // closing, and updates in the routing policies of a channel's directed edges. -func (r *ChannelRouter) SubscribeTopology() (*TopologyClient, error) { +func (b *Builder) SubscribeTopology() (*TopologyClient, error) { // If the router is not yet started, return an error to avoid a // deadlock waiting for it to handle the subscription request. - if atomic.LoadUint32(&r.started) == 0 { + if !b.started.Load() { return nil, fmt.Errorf("router not started") } // We'll first atomically obtain the next ID for this client from the // incrementing client ID counter. - clientID := atomic.AddUint64(&r.ntfnClientCounter, 1) + clientID := atomic.AddUint64(&b.ntfnClientCounter, 1) log.Debugf("New graph topology client subscription, client %v", clientID) @@ -74,12 +73,12 @@ func (r *ChannelRouter) SubscribeTopology() (*TopologyClient, error) { ntfnChan := make(chan *TopologyChange, 10) select { - case r.ntfnClientUpdates <- &topologyClientUpdate{ + case b.ntfnClientUpdates <- &topologyClientUpdate{ cancel: false, clientID: clientID, ntfnChan: ntfnChan, }: - case <-r.quit: + case <-b.quit: return nil, errors.New("ChannelRouter shutting down") } @@ -87,11 +86,11 @@ func (r *ChannelRouter) SubscribeTopology() (*TopologyClient, error) { TopologyChanges: ntfnChan, Cancel: func() { select { - case r.ntfnClientUpdates <- &topologyClientUpdate{ + case b.ntfnClientUpdates <- &topologyClientUpdate{ cancel: true, clientID: clientID, }: - case <-r.quit: + case <-b.quit: return } }, @@ -117,7 +116,7 @@ type topologyClient struct { // notifyTopologyChange notifies all registered clients of a new change in // graph topology in a non-blocking. -func (r *ChannelRouter) notifyTopologyChange(topologyDiff *TopologyChange) { +func (b *Builder) notifyTopologyChange(topologyDiff *TopologyChange) { // notifyClient is a helper closure that will send topology updates to // the given client. @@ -146,7 +145,7 @@ func (r *ChannelRouter) notifyTopologyChange(topologyDiff *TopologyChange) { // Similarly, if the ChannelRouter itself exists early, // then we'll also exit ourselves. - case <-r.quit: + case <-b.quit: } }(client) @@ -158,7 +157,7 @@ func (r *ChannelRouter) notifyTopologyChange(topologyDiff *TopologyChange) { // Range over the set of active clients, and attempt to send the // topology updates. - r.topologyClients.Range(notifyClient) + b.topologyClients.Range(notifyClient) } // TopologyChange represents a new set of modifications to the channel graph. @@ -314,7 +313,7 @@ type ChannelEdgeUpdate struct { // constitutes. This function will also fetch any required auxiliary // information required to create the topology change update from the graph // database. -func addToTopologyChange(graph graph.DB, update *TopologyChange, +func addToTopologyChange(graph DB, update *TopologyChange, msg interface{}) error { switch m := msg.(type) { diff --git a/routing/notifications_test.go b/graph/notifications_test.go similarity index 78% rename from routing/notifications_test.go rename to graph/notifications_test.go index 4e095649b5..290eec0e2a 100644 --- a/routing/notifications_test.go +++ b/graph/notifications_test.go @@ -1,7 +1,8 @@ -package routing +package graph import ( "bytes" + "encoding/hex" "fmt" "image/color" prand "math/rand" @@ -11,13 +12,17 @@ import ( "time" "github.com/btcsuite/btcd/btcec/v2" + "github.com/btcsuite/btcd/btcec/v2/ecdsa" "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/wire" - "github.com/go-errors/errors" + "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/kvdb" + lnmock "github.com/lightningnetwork/lnd/lntest/mock" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/btcwallet" "github.com/lightningnetwork/lnd/lnwire" @@ -49,15 +54,28 @@ var ( bitcoinKey2 = priv2.PubKey() timeout = time.Second * 5 + + testRBytes, _ = hex.DecodeString("8ce2bc69281ce27da07e6683571319d18e949ddfa2965fb6caa1bf0314f882d7") + testSBytes, _ = hex.DecodeString("299105481d63e0f4bc2a88121167221b6700d72a0ead154c03be696a292d24ae") + testRScalar = new(btcec.ModNScalar) + testSScalar = new(btcec.ModNScalar) + _ = testRScalar.SetByteSlice(testRBytes) + _ = testSScalar.SetByteSlice(testSBytes) + testSig = ecdsa.NewSignature(testRScalar, testSScalar) + + testAuthProof = models.ChannelAuthProof{ + NodeSig1Bytes: testSig.Serialize(), + NodeSig2Bytes: testSig.Serialize(), + BitcoinSig1Bytes: testSig.Serialize(), + BitcoinSig2Bytes: testSig.Serialize(), + } ) -func createTestNode() (*channeldb.LightningNode, error) { +func createTestNode(t *testing.T) *channeldb.LightningNode { updateTime := prand.Int63() priv, err := btcec.NewPrivateKey() - if err != nil { - return nil, errors.Errorf("unable create private key: %v", err) - } + require.NoError(t, err) pub := priv.PubKey().SerializeCompressed() n := &channeldb.LightningNode{ @@ -71,7 +89,7 @@ func createTestNode() (*channeldb.LightningNode, error) { } copy(n.PubKeyBytes[:], pub) - return n, nil + return n } func randEdgePolicy(chanID *lnwire.ShortChannelID, @@ -271,7 +289,7 @@ type mockChainView struct { } // A compile time check to ensure mockChainView implements the -// chainview.FilteredChainView. +// chainview.FilteredChainViewReader. var _ chainview.FilteredChainView = (*mockChainView)(nil) func newMockChainView(chain lnwallet.BlockChainIO) *mockChainView { @@ -302,6 +320,15 @@ func (m *mockChainView) UpdateFilter(ops []channeldb.EdgePoint, updateHeight uin return nil } +func (m *mockChainView) Start() error { + return nil +} + +func (m *mockChainView) Stop() error { + close(m.quit) + return nil +} + func (m *mockChainView) notifyBlock(hash chainhash.Hash, height uint32, txns []*wire.MsgTx, t *testing.T) { @@ -405,15 +432,6 @@ func (m *mockChainView) FilterBlock(blockHash *chainhash.Hash) (*chainview.Filte return filteredBlock, nil } -func (m *mockChainView) Start() error { - return nil -} - -func (m *mockChainView) Stop() error { - close(m.quit) - return nil -} - // TestEdgeUpdateNotification tests that when edges are updated or added, // a proper notification is sent of to all registered clients. func TestEdgeUpdateNotification(t *testing.T) { @@ -437,10 +455,8 @@ func TestEdgeUpdateNotification(t *testing.T) { // Next we'll create two test nodes that the fake channel will be open // between. - node1, err := createTestNode() - require.NoError(t, err, "unable to create test node") - node2, err := createTestNode() - require.NoError(t, err, "unable to create test node") + node1 := createTestNode(t) + node2 := createTestNode(t) // Finally, to conclude our test set up, we'll create a channel // update to announce the created channel between the two nodes. @@ -458,13 +474,13 @@ func TestEdgeUpdateNotification(t *testing.T) { copy(edge.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) copy(edge.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - if err := ctx.router.AddEdge(edge); err != nil { + if err := ctx.builder.AddEdge(edge); err != nil { t.Fatalf("unable to add edge: %v", err) } // With the channel edge now in place, we'll subscribe for topology // notifications. - ntfnClient, err := ctx.router.SubscribeTopology() + ntfnClient, err := ctx.builder.SubscribeTopology() require.NoError(t, err, "unable to subscribe for channel notifications") // Create random policy edges that are stemmed to the channel id @@ -477,10 +493,10 @@ func TestEdgeUpdateNotification(t *testing.T) { require.NoError(t, err, "unable to create a random chan policy") edge2.ChannelFlags = 1 - if err := ctx.router.UpdateEdge(edge1); err != nil { + if err := ctx.builder.UpdateEdge(edge1); err != nil { t.Fatalf("unable to add edge update: %v", err) } - if err := ctx.router.UpdateEdge(edge2); err != nil { + if err := ctx.builder.UpdateEdge(edge2); err != nil { t.Fatalf("unable to add edge update: %v", err) } @@ -625,10 +641,8 @@ func TestNodeUpdateNotification(t *testing.T) { // Create two nodes acting as endpoints in the created channel, and use // them to trigger notifications by sending updated node announcement // messages. - node1, err := createTestNode() - require.NoError(t, err, "unable to create test node") - node2, err := createTestNode() - require.NoError(t, err, "unable to create test node") + node1 := createTestNode(t) + node2 := createTestNode(t) testFeaturesBuf := new(bytes.Buffer) require.NoError(t, testFeatures.Encode(testFeaturesBuf)) @@ -649,20 +663,20 @@ func TestNodeUpdateNotification(t *testing.T) { // Adding the edge will add the nodes to the graph, but with no info // except the pubkey known. - if err := ctx.router.AddEdge(edge); err != nil { + if err := ctx.builder.AddEdge(edge); err != nil { t.Fatalf("unable to add edge: %v", err) } // Create a new client to receive notifications. - ntfnClient, err := ctx.router.SubscribeTopology() + ntfnClient, err := ctx.builder.SubscribeTopology() require.NoError(t, err, "unable to subscribe for channel notifications") // Change network topology by adding the updated info for the two nodes // to the channel router. - if err := ctx.router.AddNode(node1); err != nil { + if err := ctx.builder.AddNode(node1); err != nil { t.Fatalf("unable to add node: %v", err) } - if err := ctx.router.AddNode(node2); err != nil { + if err := ctx.builder.AddNode(node2); err != nil { t.Fatalf("unable to add node: %v", err) } @@ -756,7 +770,7 @@ func TestNodeUpdateNotification(t *testing.T) { nodeUpdateAnn.LastUpdate = node1.LastUpdate.Add(300 * time.Millisecond) // Add new node topology update to the channel router. - if err := ctx.router.AddNode(&nodeUpdateAnn); err != nil { + if err := ctx.builder.AddNode(&nodeUpdateAnn); err != nil { t.Fatalf("unable to add node: %v", err) } @@ -788,7 +802,7 @@ func TestNotificationCancellation(t *testing.T) { ctx := createTestCtxSingleNode(t, startingBlockHeight) // Create a new client to receive notifications. - ntfnClient, err := ctx.router.SubscribeTopology() + ntfnClient, err := ctx.builder.SubscribeTopology() require.NoError(t, err, "unable to subscribe for channel notifications") // We'll create the utxo for a new channel. @@ -808,10 +822,8 @@ func TestNotificationCancellation(t *testing.T) { // We'll create a fresh new node topology update to feed to the channel // router. - node1, err := createTestNode() - require.NoError(t, err, "unable to create test node") - node2, err := createTestNode() - require.NoError(t, err, "unable to create test node") + node1 := createTestNode(t) + node2 := createTestNode(t) // Before we send the message to the channel router, we'll cancel the // notifications for this client. As a result, the notification @@ -832,15 +844,15 @@ func TestNotificationCancellation(t *testing.T) { } copy(edge.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) copy(edge.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - if err := ctx.router.AddEdge(edge); err != nil { + if err := ctx.builder.AddEdge(edge); err != nil { t.Fatalf("unable to add edge: %v", err) } - if err := ctx.router.AddNode(node1); err != nil { + if err := ctx.builder.AddNode(node1); err != nil { t.Fatalf("unable to add node: %v", err) } - if err := ctx.router.AddNode(node2); err != nil { + if err := ctx.builder.AddNode(node2); err != nil { t.Fatalf("unable to add node: %v", err) } @@ -883,10 +895,8 @@ func TestChannelCloseNotification(t *testing.T) { // Next we'll create two test nodes that the fake channel will be open // between. - node1, err := createTestNode() - require.NoError(t, err, "unable to create test node") - node2, err := createTestNode() - require.NoError(t, err, "unable to create test node") + node1 := createTestNode(t) + node2 := createTestNode(t) // Finally, to conclude our test set up, we'll create a channel // announcement to announce the created channel between the two nodes. @@ -903,13 +913,13 @@ func TestChannelCloseNotification(t *testing.T) { } copy(edge.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) copy(edge.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - if err := ctx.router.AddEdge(edge); err != nil { + if err := ctx.builder.AddEdge(edge); err != nil { t.Fatalf("unable to add edge: %v", err) } // With the channel edge now in place, we'll subscribe for topology // notifications. - ntfnClient, err := ctx.router.SubscribeTopology() + ntfnClient, err := ctx.builder.SubscribeTopology() require.NoError(t, err, "unable to subscribe for channel notifications") // Next, we'll simulate the closure of our channel by generating a new @@ -999,3 +1009,200 @@ func TestEncodeHexColor(t *testing.T) { } } } + +type testCtx struct { + builder *Builder + + graph *channeldb.ChannelGraph + + aliases map[string]route.Vertex + + privKeys map[string]*btcec.PrivateKey + + channelIDs map[route.Vertex]map[route.Vertex]uint64 + + chain *mockChain + chainView *mockChainView + + notifier *lnmock.ChainNotifier +} + +func (c *testCtx) getChannelIDFromAlias(t *testing.T, a, b string) uint64 { + vertexA, ok := c.aliases[a] + require.True(t, ok, "cannot find aliases for %s", a) + + vertexB, ok := c.aliases[b] + require.True(t, ok, "cannot find aliases for %s", b) + + channelIDMap, ok := c.channelIDs[vertexA] + require.True(t, ok, "cannot find channelID map %s(%s)", vertexA, a) + + channelID, ok := channelIDMap[vertexB] + require.True(t, ok, "cannot find channelID using %s(%s)", vertexB, b) + + return channelID +} + +func createTestCtxSingleNode(t *testing.T, + startingHeight uint32) *testCtx { + + graph, graphBackend, err := makeTestGraph(t, true) + require.NoError(t, err, "failed to make test graph") + + sourceNode := createTestNode(t) + + require.NoError(t, + graph.SetSourceNode(sourceNode), "failed to set source node", + ) + + graphInstance := &testGraphInstance{ + graph: graph, + graphBackend: graphBackend, + } + + return createTestCtxFromGraphInstance( + t, startingHeight, graphInstance, false, + ) +} + +func (c *testCtx) RestartBuilder(t *testing.T) { + c.chainView.Reset() + + selfNode, err := c.graph.SourceNode() + require.NoError(t, err) + + // With the chainView reset, we'll now re-create the builder itself, and + // start it. + builder, err := NewBuilder(&Config{ + SelfNode: selfNode.PubKeyBytes, + Graph: c.graph, + Chain: c.chain, + ChainView: c.chainView, + Notifier: c.builder.cfg.Notifier, + ChannelPruneExpiry: time.Hour * 24, + GraphPruneInterval: time.Hour * 2, + AssumeChannelValid: c.builder.cfg.AssumeChannelValid, + FirstTimePruneDelay: c.builder.cfg.FirstTimePruneDelay, + StrictZombiePruning: c.builder.cfg.StrictZombiePruning, + IsAlias: func(scid lnwire.ShortChannelID) bool { + return false + }, + }) + require.NoError(t, err) + require.NoError(t, builder.Start()) + + // Finally, we'll swap out the pointer in the testCtx with this fresh + // instance of the router. + c.builder = builder +} + +// makeTestGraph creates a new instance of a channeldb.ChannelGraph for testing +// purposes. +func makeTestGraph(t *testing.T, useCache bool) (*channeldb.ChannelGraph, + kvdb.Backend, error) { + + // Create channelgraph for the first time. + backend, backendCleanup, err := kvdb.GetTestBackend(t.TempDir(), "cgr") + if err != nil { + return nil, nil, err + } + + t.Cleanup(backendCleanup) + + opts := channeldb.DefaultOptions() + graph, err := channeldb.NewChannelGraph( + backend, opts.RejectCacheSize, opts.ChannelCacheSize, + opts.BatchCommitInterval, opts.PreAllocCacheNumNodes, + useCache, false, + ) + if err != nil { + return nil, nil, err + } + + return graph, backend, nil +} + +type testGraphInstance struct { + graph *channeldb.ChannelGraph + graphBackend kvdb.Backend + + // aliasMap is a map from a node's alias to its public key. This type is + // provided in order to allow easily look up from the human memorable alias + // to an exact node's public key. + aliasMap map[string]route.Vertex + + // privKeyMap maps a node alias to its private key. This is used to be + // able to mock a remote node's signing behaviour. + privKeyMap map[string]*btcec.PrivateKey + + // channelIDs stores the channel ID for each node. + channelIDs map[route.Vertex]map[route.Vertex]uint64 + + // links maps channel ids to a mock channel update handler. + links map[lnwire.ShortChannelID]htlcswitch.ChannelLink +} + +func createTestCtxFromGraphInstance(t *testing.T, + startingHeight uint32, graphInstance *testGraphInstance, + strictPruning bool) *testCtx { + + return createTestCtxFromGraphInstanceAssumeValid( + t, startingHeight, graphInstance, false, strictPruning, + ) +} + +func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, + startingHeight uint32, graphInstance *testGraphInstance, + assumeValid bool, strictPruning bool) *testCtx { + + // We'll initialize an instance of the channel router with mock + // versions of the chain and channel notifier. As we don't need to test + // any p2p functionality, the peer send and switch send messages won't + // be populated. + chain := newMockChain(startingHeight) + chainView := newMockChainView(chain) + + notifier := &lnmock.ChainNotifier{ + EpochChan: make(chan *chainntnfs.BlockEpoch), + SpendChan: make(chan *chainntnfs.SpendDetail), + ConfChan: make(chan *chainntnfs.TxConfirmation), + } + + selfnode, err := graphInstance.graph.SourceNode() + require.NoError(t, err) + + graphBuilder, err := NewBuilder(&Config{ + SelfNode: selfnode.PubKeyBytes, + Graph: graphInstance.graph, + Chain: chain, + ChainView: chainView, + Notifier: notifier, + ChannelPruneExpiry: time.Hour * 24, + GraphPruneInterval: time.Hour * 2, + AssumeChannelValid: assumeValid, + FirstTimePruneDelay: 0, + StrictZombiePruning: strictPruning, + IsAlias: func(scid lnwire.ShortChannelID) bool { + return false + }, + }) + require.NoError(t, err) + require.NoError(t, graphBuilder.Start()) + + ctx := &testCtx{ + builder: graphBuilder, + graph: graphInstance.graph, + aliases: graphInstance.aliasMap, + privKeys: graphInstance.privKeyMap, + channelIDs: graphInstance.channelIDs, + chain: chain, + chainView: chainView, + notifier: notifier, + } + + t.Cleanup(func() { + graphBuilder.Stop() + }) + + return ctx +} diff --git a/graph/setup_test.go b/graph/setup_test.go new file mode 100644 index 0000000000..a1e2f4dfff --- /dev/null +++ b/graph/setup_test.go @@ -0,0 +1,11 @@ +package graph + +import ( + "testing" + + "github.com/lightningnetwork/lnd/kvdb" +) + +func TestMain(m *testing.M) { + kvdb.RunTests(m) +} diff --git a/routing/stats.go b/graph/stats.go similarity index 98% rename from routing/stats.go rename to graph/stats.go index b960025c1c..91e897ae53 100644 --- a/routing/stats.go +++ b/graph/stats.go @@ -1,4 +1,4 @@ -package routing +package graph import ( "fmt" diff --git a/graph/testdata/basic_graph.json b/graph/testdata/basic_graph.json new file mode 100644 index 0000000000..7e4e3636ed --- /dev/null +++ b/graph/testdata/basic_graph.json @@ -0,0 +1,298 @@ +{ + "info": [ + "This file encodes a basic graph that resembles the following ascii graph:", + "", +" 50k satoshis ┌──────┐ ", +" ┌───────────────────▶│luo ji│◀─┐ ", +" │ └──────┘ │ ┌──────┐ ", +" │ │ | elst | ", +" │ │ └──────┘ ", +" │ │ ▲ ", +" │ │ | 100k sat ", +" │ │ ▼ ", +" ▼ │ ┌──────┐ ", +" ┌────────┐ │ │sophon│◀┐ ", +" │satoshi │ │ └──────┘ │ ", +" └────────┘ │ ▲ │ ", +" ▲ │ | │ 110k satoshis ", +" │ ┌───────────────────┘ | │ ", +" │ │ 100k satoshis | │ ", +" │ │ | │ ", +" │ │ 120k sat | │ ┌────────┐ ", +" └──────────┤ (hi fee) ▼ └─▶│son goku│ ", +" 10k satoshis │ ┌────────────┐ └────────┘ ", +" │ | pham nuwen | ▲ ", +" │ └────────────┘ │ ", +" │ ▲ │ ", +" ▼ | 120k sat (hi fee) │ ", +" ┌──────────┐ | │ ", +" │ roasbeef │◀──────────────┴──────────────────────┘ ", +" └──────────┘ 100k satoshis ", + +" the graph also includes a channel from roasbeef to sophon via pham nuwen" + ], + "nodes": [ + { + "source": true, + "pubkey": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "alias": "roasbeef" + }, + { + "source": false, + "pubkey": "026c43a8ac1cd8519985766e90748e1e06871dab0ff6b8af27e8c1a61640481318", + "privkey": "82b266f659bd83a976bac11b2cc442baec5508e84e61085d7ec2b0fc52156c87", + "alias": "songoku" + }, + { + "source": false, + "pubkey": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "alias": "satoshi" + }, + { + "source": false, + "pubkey": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "alias": "luoji" + }, + { + "source": false, + "pubkey": "036264734b40c9e91d3d990a8cdfbbe23b5b0b7ad3cd0e080a25dcd05d39eeb7eb", + "alias": "sophon" + }, + { + "source": false, + "pubkey": "02a1d2856be336a58af08989aea0d8c41e072ccc392c46f8ce0e6e069f002035f3", + "alias": "phamnuwen" + }, + { + "source": false, + "pubkey": "02a4b236b69b09b8efe6ccf822fa95ee95a0196451f4d066a450b7489e2e354a64", + "alias": "elst" + } + ], + "edges": [ + { + "node_1": "02a4b236b69b09b8efe6ccf822fa95ee95a0196451f4d066a450b7489e2e354a64", + "node_2": "036264734b40c9e91d3d990a8cdfbbe23b5b0b7ad3cd0e080a25dcd05d39eeb7eb", + "channel_id": 15433, + "channel_point": "33bd5d49a50e284221561b91e781f1fca0d60341c9f9dd785b5e379a6d88af3d:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1000, + "max_htlc": 100000000, + "fee_base_msat": 200, + "fee_rate": 0, + "capacity": 100000 + }, + { + "node_1": "02a4b236b69b09b8efe6ccf822fa95ee95a0196451f4d066a450b7489e2e354a64", + "node_2": "036264734b40c9e91d3d990a8cdfbbe23b5b0b7ad3cd0e080a25dcd05d39eeb7eb", + "channel_id": 15433, + "channel_point": "33bd5d49a50e284221561b91e781f1fca0d60341c9f9dd785b5e379a6d88af3d:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1000, + "max_htlc": 100000000, + "fee_base_msat": 200, + "fee_rate": 0, + "capacity": 100000 + }, + { + "node_1": "02a1d2856be336a58af08989aea0d8c41e072ccc392c46f8ce0e6e069f002035f3", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 999991, + "channel_point": "48a0e8b856fef01d9feda7d25a4fac6dae48749e28ba356b92d712ab7f5bd2d0:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1000, + "max_htlc": 120000000, + "fee_base_msat": 10000, + "fee_rate": 100000, + "capacity": 120000 + }, + { + "node_1": "02a1d2856be336a58af08989aea0d8c41e072ccc392c46f8ce0e6e069f002035f3", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 999991, + "channel_point": "48a0e8b856fef01d9feda7d25a4fac6dae48749e28ba356b92d712ab7f5bd2d0:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1000, + "max_htlc": 120000000, + "fee_base_msat": 10000, + "fee_rate": 100000, + "capacity": 120000 + }, + { + "node_1": "02a1d2856be336a58af08989aea0d8c41e072ccc392c46f8ce0e6e069f002035f3", + "node_2": "036264734b40c9e91d3d990a8cdfbbe23b5b0b7ad3cd0e080a25dcd05d39eeb7eb", + "channel_id": 99999, + "channel_point": "05ffda8890d0a4fffe0ddca0b1932ba0415b1d5868a99515384a4e7883d96b88:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1000, + "max_htlc": 120000000, + "fee_base_msat": 10000, + "fee_rate": 100000, + "capacity": 120000 + }, + { + "node_1": "02a1d2856be336a58af08989aea0d8c41e072ccc392c46f8ce0e6e069f002035f3", + "node_2": "036264734b40c9e91d3d990a8cdfbbe23b5b0b7ad3cd0e080a25dcd05d39eeb7eb", + "channel_id": 99999, + "channel_point": "05ffda8890d0a4fffe0ddca0b1932ba0415b1d5868a99515384a4e7883d96b88:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1000, + "max_htlc": 120000000, + "fee_base_msat": 10000, + "fee_rate": 100000, + "capacity": 120000 + }, + { + "node_1": "026c43a8ac1cd8519985766e90748e1e06871dab0ff6b8af27e8c1a61640481318", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 12345, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1000, + "max_htlc": 100000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 100000 + }, + { + "node_1": "026c43a8ac1cd8519985766e90748e1e06871dab0ff6b8af27e8c1a61640481318", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 12345, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 100000 + }, + { + "node_1": "026c43a8ac1cd8519985766e90748e1e06871dab0ff6b8af27e8c1a61640481318", + "node_2": "036264734b40c9e91d3d990a8cdfbbe23b5b0b7ad3cd0e080a25dcd05d39eeb7eb", + "channel_id": 3495345, + "channel_point": "9f155756b33a0a6827713965babbd561b55f9520444ac5db0cf7cb2eb0deb5bc:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 110000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 110000 + }, + { + "node_1": "026c43a8ac1cd8519985766e90748e1e06871dab0ff6b8af27e8c1a61640481318", + "node_2": "036264734b40c9e91d3d990a8cdfbbe23b5b0b7ad3cd0e080a25dcd05d39eeb7eb", + "channel_id": 3495345, + "channel_point": "9f155756b33a0a6827713965babbd561b55f9520444ac5db0cf7cb2eb0deb5bc:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 110000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 110000 + }, + { + "node_1": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 2340213491, + "channel_point": "72cd6e8422c407fb6d098690f1130b7ded7ec2f7f5e1d30bd9d521f015363793:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 10000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 10000 + }, + { + "node_1": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 2340213491, + "channel_point": "72cd6e8422c407fb6d098690f1130b7ded7ec2f7f5e1d30bd9d521f015363793:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 10000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 10000 + }, + { + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 689530843, + "channel_point": "25376aa6cb81913ad30416bd22d4083241bd6d68e811d0284d3c3a17795c458a:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 10, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 100000 + }, + { + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 689530843, + "channel_point": "25376aa6cb81913ad30416bd22d4083241bd6d68e811d0284d3c3a17795c458a:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 100000 + }, + { + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 523452362, + "channel_point": "704a5675c91b1c674309a6475fc51072c2913d6117ee6103c9f1b86956bcbe02:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 50000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 50000 + }, + { + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 523452362, + "channel_point": "704a5675c91b1c674309a6475fc51072c2913d6117ee6103c9f1b86956bcbe02:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 1, + "min_htlc": 1, + "max_htlc": 50000000, + "fee_base_msat": 10, + "fee_rate": 1000, + "capacity": 50000 + } + ] +} diff --git a/graph/testdata/spec_example.json b/graph/testdata/spec_example.json new file mode 100644 index 0000000000..f0a730c3a9 --- /dev/null +++ b/graph/testdata/spec_example.json @@ -0,0 +1,147 @@ +{ + "nodes": [ + { + "source": false, + "pubkey": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "alias": "A" + }, + { + "source": true, + "pubkey": "032b480de5d002f1a8fd1fe1bbf0a0f1b07760f65f052e66d56f15d71097c01add", + "alias": "B" + }, + { + "source": false, + "pubkey": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "alias": "C" + }, + { + "source": false, + "pubkey": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "alias": "D" + } + ], + "edges": [ + { + + "comment": "A -> B channel", + "node_1": "032b480de5d002f1a8fd1fe1bbf0a0f1b07760f65f052e66d56f15d71097c01add", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 12345, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 10, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 100, + "fee_rate": 1000, + "capacity": 100000 + }, + { + "comment": "B -> A channel", + "node_1": "032b480de5d002f1a8fd1fe1bbf0a0f1b07760f65f052e66d56f15d71097c01add", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 12345, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 20, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 200, + "fee_rate": 2000, + "capacity": 100000 + }, + { + "comment": "A -> D channel", + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 12345839, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 10, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 100, + "fee_rate": 1000, + "capacity": 100000 + }, + { + "comment": "D -> A channel", + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6", + "channel_id": 12345839, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 40, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 400, + "fee_rate": 4000, + "capacity": 100000 + }, + { + "comment": "D -> C channel", + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 1234583, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 40, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 400, + "fee_rate": 4000, + "capacity": 100000 + }, + { + "comment": "C -> D channel", + "node_1": "02e7b1aaac10977c38e9c61c74dc66840de211bcec3021603e7977bc5e28edabfd", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 1234583, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 30, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 300, + "fee_rate": 3000, + "capacity": 100000 + }, + { + "comment": "C -> B channel", + "node_1": "032b480de5d002f1a8fd1fe1bbf0a0f1b07760f65f052e66d56f15d71097c01add", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 1234589, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 1, + "message_flags": 1, + "expiry": 30, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 300, + "fee_rate": 3000, + "capacity": 100000 + }, + { + "comment": "B -> C channel", + "node_1": "032b480de5d002f1a8fd1fe1bbf0a0f1b07760f65f052e66d56f15d71097c01add", + "node_2": "03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99", + "channel_id": 1234589, + "channel_point": "89dc56859c6a082d15ba1a7f6cb6be3fea62e1746e2cb8497b1189155c21a233:0", + "channel_flags": 0, + "message_flags": 1, + "expiry": 20, + "min_htlc": 1, + "max_htlc": 100000000, + "fee_base_msat": 200, + "fee_rate": 2000, + "capacity": 100000 + } + ] +} diff --git a/routing/validation_barrier.go b/graph/validation_barrier.go similarity index 99% rename from routing/validation_barrier.go rename to graph/validation_barrier.go index aeef3d4b81..2f3c8c02ce 100644 --- a/routing/validation_barrier.go +++ b/graph/validation_barrier.go @@ -1,4 +1,4 @@ -package routing +package graph import ( "fmt" diff --git a/routing/validation_barrier_test.go b/graph/validation_barrier_test.go similarity index 91% rename from routing/validation_barrier_test.go rename to graph/validation_barrier_test.go index 2eda0120fc..da404443f5 100644 --- a/routing/validation_barrier_test.go +++ b/graph/validation_barrier_test.go @@ -1,12 +1,12 @@ -package routing_test +package graph_test import ( "encoding/binary" "testing" "time" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/lnwire" - "github.com/lightningnetwork/lnd/routing" ) // TestValidationBarrierSemaphore checks basic properties of the validation @@ -21,7 +21,7 @@ func TestValidationBarrierSemaphore(t *testing.T) { ) quit := make(chan struct{}) - barrier := routing.NewValidationBarrier(numTasks, quit) + barrier := graph.NewValidationBarrier(numTasks, quit) // Saturate the semaphore with jobs. for i := 0; i < numTasks; i++ { @@ -69,7 +69,7 @@ func TestValidationBarrierQuit(t *testing.T) { ) quit := make(chan struct{}) - barrier := routing.NewValidationBarrier(2*numTasks, quit) + barrier := graph.NewValidationBarrier(2*numTasks, quit) // Create a set of unique channel announcements that we will prep for // validation. @@ -141,8 +141,8 @@ func TestValidationBarrierQuit(t *testing.T) { switch { // First half should return without failure. - case i < numTasks/4 && !routing.IsError( - err, routing.ErrParentValidationFailed, + case i < numTasks/4 && !graph.IsError( + err, graph.ErrParentValidationFailed, ): t.Fatalf("unexpected failure while waiting: %v", err) @@ -150,11 +150,11 @@ func TestValidationBarrierQuit(t *testing.T) { t.Fatalf("unexpected failure while waiting: %v", err) // Last half should return the shutdown error. - case i >= numTasks/2 && !routing.IsError( - err, routing.ErrVBarrierShuttingDown, + case i >= numTasks/2 && !graph.IsError( + err, graph.ErrVBarrierShuttingDown, ): t.Fatalf("expected failure after quitting: want %v, "+ - "got %v", routing.ErrVBarrierShuttingDown, err) + "got %v", graph.ErrVBarrierShuttingDown, err) } } } diff --git a/netann/channel_update_test.go b/netann/channel_update_test.go index e49e5c65e8..7af51effc0 100644 --- a/netann/channel_update_test.go +++ b/netann/channel_update_test.go @@ -7,11 +7,11 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcec/v2/ecdsa" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/netann" - "github.com/lightningnetwork/lnd/routing" ) type mockSigner struct { @@ -182,7 +182,7 @@ func TestUpdateDisableFlag(t *testing.T) { // Finally, validate the signature using the router's // verification logic. - err = routing.VerifyChannelUpdateSignature( + err = graph.VerifyChannelUpdateSignature( newUpdate, pubKey, ) if err != nil { diff --git a/pilot.go b/pilot.go index 380dc5f092..2a37b080d0 100644 --- a/pilot.go +++ b/pilot.go @@ -295,6 +295,6 @@ func initAutoPilot(svr *server, cfg *lncfg.AutoPilot, }, nil }, SubscribeTransactions: svr.cc.Wallet.SubscribeTransactions, - SubscribeTopology: svr.chanRouter.SubscribeTopology, + SubscribeTopology: svr.graphBuilder.SubscribeTopology, }, nil } diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index e48f3c7fbd..e4912d988b 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -1392,10 +1392,6 @@ func TestNewRoute(t *testing.T) { // to fail or succeed. expectError bool - // expectedErrorCode indicates the expected error code when - // expectError is true. - expectedErrorCode errorCode - expectedMPP *record.MPP }{ { @@ -1606,23 +1602,9 @@ func TestNewRoute(t *testing.T) { metadata: testCase.metadata, }, nil, ) + require.NoError(t, err) - if testCase.expectError { - expectedCode := testCase.expectedErrorCode - if err == nil || !IsError(err, expectedCode) { - t.Fatalf("expected newRoute to fail "+ - "with error code %v but got "+ - "%v instead", - expectedCode, err) - } - } else { - if err != nil { - t.Errorf("unable to create path: %v", err) - return - } - - assertRoute(t, route) - } + assertRoute(t, route) }) } } @@ -2232,8 +2214,8 @@ func TestPathFindSpecExample(t *testing.T) { carol := ctx.aliases["C"] const amt lnwire.MilliSatoshi = 4999999 req, err := NewRouteRequest( - bob, &carol, amt, 0, noRestrictions, nil, nil, nil, - MinCLTVDelta, + bob, &carol, amt, 0, noRestrictions, nil, nil, + nil, MinCLTVDelta, ) require.NoError(t, err, "invalid route request") @@ -2244,33 +2226,18 @@ func TestPathFindSpecExample(t *testing.T) { // // It should be sending the exact payment amount as there are no // additional hops. - if route.TotalAmount != amt { - t.Fatalf("wrong total amount: got %v, expected %v", - route.TotalAmount, amt) - } - if route.Hops[0].AmtToForward != amt { - t.Fatalf("wrong forward amount: got %v, expected %v", - route.Hops[0].AmtToForward, amt) - } - - fee := route.HopFee(0) - if fee != 0 { - t.Fatalf("wrong hop fee: got %v, expected %v", fee, 0) - } + require.Equal(t, amt, route.TotalAmount) + require.Equal(t, amt, route.Hops[0].AmtToForward) + require.Zero(t, route.HopFee(0)) // The CLTV expiry should be the current height plus 18 (the expiry for // the B -> C channel. - if route.TotalTimeLock != - startingHeight+MinCLTVDelta { - - t.Fatalf("wrong total time lock: got %v, expecting %v", - route.TotalTimeLock, - startingHeight+MinCLTVDelta) - } + require.EqualValues(t, startingHeight+MinCLTVDelta, route.TotalTimeLock) // Next, we'll set A as the source node so we can assert that we create // the proper route for any queries starting with Alice. alice := ctx.aliases["A"] + ctx.router.cfg.SelfNode = alice // We'll now request a route from A -> B -> C. req, err = NewRouteRequest( @@ -2283,32 +2250,21 @@ func TestPathFindSpecExample(t *testing.T) { require.NoError(t, err, "unable to find routes") // The route should be two hops. - if len(route.Hops) != 2 { - t.Fatalf("route should be %v hops, is instead %v", 2, - len(route.Hops)) - } + require.Len(t, route.Hops, 2) // The total amount should factor in a fee of 10199 and also use a CLTV // delta total of 38 (20 + 18), expectedAmt := lnwire.MilliSatoshi(5010198) - if route.TotalAmount != expectedAmt { - t.Fatalf("wrong amount: got %v, expected %v", - route.TotalAmount, expectedAmt) - } + require.Equal(t, expectedAmt, route.TotalAmount) + expectedDelta := uint32(20 + MinCLTVDelta) - if route.TotalTimeLock != startingHeight+expectedDelta { - t.Fatalf("wrong total time lock: got %v, expecting %v", - route.TotalTimeLock, startingHeight+expectedDelta) - } + require.Equal(t, startingHeight+expectedDelta, route.TotalTimeLock) // Ensure that the hops of the route are properly crafted. // // After taking the fee, Bob should be forwarding the remainder which // is the exact payment to Bob. - if route.Hops[0].AmtToForward != amt { - t.Fatalf("wrong forward amount: got %v, expected %v", - route.Hops[0].AmtToForward, amt) - } + require.Equal(t, amt, route.Hops[0].AmtToForward) // We shouldn't pay any fee for the first, hop, but the fee for the // second hop posted fee should be exactly: @@ -2317,59 +2273,31 @@ func TestPathFindSpecExample(t *testing.T) { // hop, so we should get a fee of exactly: // // * 200 + 4999999 * 2000 / 1000000 = 10199 - - fee = route.HopFee(0) - if fee != 10199 { - t.Fatalf("wrong hop fee: got %v, expected %v", fee, 10199) - } + require.EqualValues(t, 10199, route.HopFee(0)) // While for the final hop, as there's no additional hop afterwards, we // pay no fee. - fee = route.HopFee(1) - if fee != 0 { - t.Fatalf("wrong hop fee: got %v, expected %v", fee, 0) - } + require.Zero(t, route.HopFee(1)) // The outgoing CLTV value itself should be the current height plus 30 // to meet Carol's requirements. - if route.Hops[0].OutgoingTimeLock != - startingHeight+MinCLTVDelta { - - t.Fatalf("wrong total time lock: got %v, expecting %v", - route.Hops[0].OutgoingTimeLock, - startingHeight+MinCLTVDelta) - } + require.EqualValues(t, startingHeight+MinCLTVDelta, + route.Hops[0].OutgoingTimeLock) // For B -> C, we assert that the final hop also has the proper // parameters. lastHop := route.Hops[1] - if lastHop.AmtToForward != amt { - t.Fatalf("wrong forward amount: got %v, expected %v", - lastHop.AmtToForward, amt) - } - if lastHop.OutgoingTimeLock != - startingHeight+MinCLTVDelta { - - t.Fatalf("wrong total time lock: got %v, expecting %v", - lastHop.OutgoingTimeLock, - startingHeight+MinCLTVDelta) - } + require.EqualValues(t, amt, lastHop.AmtToForward) + require.EqualValues(t, startingHeight+MinCLTVDelta, lastHop.OutgoingTimeLock) } func assertExpectedPath(t *testing.T, aliasMap map[string]route.Vertex, path []*unifiedEdge, nodeAliases ...string) { - if len(path) != len(nodeAliases) { - t.Fatalf("number of hops=(%v) and number of aliases=(%v) do "+ - "not match", len(path), len(nodeAliases)) - } + require.Len(t, path, len(nodeAliases)) for i, hop := range path { - if hop.policy.ToNodePubKey() != aliasMap[nodeAliases[i]] { - t.Fatalf("expected %v to be pos #%v in hop, instead "+ - "%v was", nodeAliases[i], i, - hop.policy.ToNodePubKey()) - } + require.Equal(t, aliasMap[nodeAliases[i]], hop.policy.ToNodePubKey()) } } @@ -2380,9 +2308,7 @@ func TestNewRouteFromEmptyHops(t *testing.T) { var source route.Vertex _, err := route.NewRouteFromHops(0, 0, source, []*route.Hop{}) - if err != route.ErrNoRouteHopsProvided { - t.Fatalf("expected empty hops error: instead got: %v", err) - } + require.ErrorIs(t, err, route.ErrNoRouteHopsProvided) } // runRestrictOutgoingChannel asserts that a outgoing channel restriction is @@ -2425,11 +2351,6 @@ func runRestrictOutgoingChannel(t *testing.T, useCache bool) { ctx := newPathFindingTestContext(t, useCache, testChannels, "roasbeef") - const ( - startingHeight = 100 - finalHopCLTV = 1 - ) - paymentAmt := lnwire.NewMSatFromSatoshis(100) target := ctx.keyFromAlias("target") outgoingChannelID := uint64(chanSourceB1) diff --git a/routing/payment_lifecycle.go b/routing/payment_lifecycle.go index 8769ca5d31..5e7f8b4918 100644 --- a/routing/payment_lifecycle.go +++ b/routing/payment_lifecycle.go @@ -912,7 +912,7 @@ func (p *paymentLifecycle) handleFailureMessage(rt *route.Route, } // Apply channel update to the channel edge policy in our db. - if !p.router.applyChannelUpdate(update) { + if !p.router.cfg.ApplyChannelUpdate(update) { log.Debugf("Invalid channel update received: node=%v", errVertex) } diff --git a/routing/payment_session.go b/routing/payment_session.go index 0d46f71199..84f2135d79 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -9,6 +9,7 @@ import ( "github.com/lightningnetwork/lnd/build" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" ) @@ -412,7 +413,7 @@ func (p *paymentSession) UpdateAdditionalEdge(msg *lnwire.ChannelUpdate, pubKey *btcec.PublicKey, policy *models.CachedEdgePolicy) bool { // Validate the message signature. - if err := VerifyChannelUpdateSignature(msg, pubKey); err != nil { + if err := graph.VerifyChannelUpdateSignature(msg, pubKey); err != nil { log.Errorf( "Unable to validate channel update signature: %v", err, ) diff --git a/routing/router.go b/routing/router.go index 276744d1b3..293f2c9fc7 100644 --- a/routing/router.go +++ b/routing/router.go @@ -5,41 +5,27 @@ import ( "context" "fmt" "math" - "runtime" - "strings" "sync" "sync/atomic" "time" "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcutil" - "github.com/btcsuite/btcd/wire" "github.com/davecgh/go-spew/spew" "github.com/go-errors/errors" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/amp" - "github.com/lightningnetwork/lnd/batch" - "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" "github.com/lightningnetwork/lnd/fn" - "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/htlcswitch" - "github.com/lightningnetwork/lnd/input" - "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lntypes" - "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" - "github.com/lightningnetwork/lnd/lnwallet/btcwallet" - "github.com/lightningnetwork/lnd/lnwallet/chanvalidate" "github.com/lightningnetwork/lnd/lnwire" - "github.com/lightningnetwork/lnd/multimutex" "github.com/lightningnetwork/lnd/record" - "github.com/lightningnetwork/lnd/routing/chainview" "github.com/lightningnetwork/lnd/routing/route" "github.com/lightningnetwork/lnd/routing/shards" - "github.com/lightningnetwork/lnd/ticker" "github.com/lightningnetwork/lnd/zpay32" ) @@ -49,21 +35,6 @@ const ( // trying more routes for a payment. DefaultPayAttemptTimeout = time.Second * 60 - // DefaultChannelPruneExpiry is the default duration used to determine - // if a channel should be pruned or not. - DefaultChannelPruneExpiry = time.Hour * 24 * 14 - - // DefaultFirstTimePruneDelay is the time we'll wait after startup - // before attempting to prune the graph for zombie channels. We don't - // do it immediately after startup to allow lnd to start up without - // getting blocked by this job. - DefaultFirstTimePruneDelay = 30 * time.Second - - // defaultStatInterval governs how often the router will log non-empty - // stats related to processing new channels, updates, or node - // announcements. - defaultStatInterval = time.Minute - // MinCLTVDelta is the minimum CLTV value accepted by LND for all // timelock deltas. This includes both forwarding CLTV deltas set on // channel updates, as well as final CLTV deltas used to create BOLT 11 @@ -251,24 +222,11 @@ type Config struct { // RoutingGraph is a graph source that will be used for pathfinding. RoutingGraph Graph - // Graph is the channel graph that the ChannelRouter will use to gather - // metrics from and also to carry out path finding queries. - Graph graph.DB - // Chain is the router's source to the most up-to-date blockchain data. // All incoming advertised channels will be checked against the chain // to ensure that the channels advertised are still open. Chain lnwallet.BlockChainIO - // ChainView is an instance of a FilteredChainView which is used to - // watch the sub-set of the UTXO set (the set of active channels) that - // we need in order to properly maintain the channel graph. - ChainView chainview.FilteredChainView - - // Notifier is a reference to the ChainNotifier, used to grab - // the latest blocks if the router is missing any. - Notifier chainntnfs.ChainNotifier - // Payer is an instance of a PaymentAttemptDispatcher and is used by // the router to send payment attempts onto the network, and receive // their results. @@ -291,22 +249,6 @@ type Config struct { // sessions. SessionSource PaymentSessionSource - // ChannelPruneExpiry is the duration used to determine if a channel - // should be pruned or not. If the delta between now and when the - // channel was last updated is greater than ChannelPruneExpiry, then - // the channel is marked as a zombie channel eligible for pruning. - ChannelPruneExpiry time.Duration - - // GraphPruneInterval is used as an interval to determine how often we - // should examine the channel graph to garbage collect zombie channels. - GraphPruneInterval time.Duration - - // FirstTimePruneDelay is the time we'll wait after startup before - // attempting to prune the graph for zombie channels. We don't do it - // immediately after startup to allow lnd to start up without getting - // blocked by this job. - FirstTimePruneDelay time.Duration - // QueryBandwidth is a method that allows the router to query the lower // link layer to determine the up-to-date available bandwidth at a // prospective link to be traversed. If the link isn't available, then @@ -321,1534 +263,178 @@ type Config struct { // the switch can properly handle the HTLC. NextPaymentID func() (uint64, error) - // AssumeChannelValid toggles whether the router will check for - // spentness of channel outpoints. For neutrino, this saves long rescans - // from blocking initial usage of the daemon. - AssumeChannelValid bool - // PathFindingConfig defines global path finding parameters. PathFindingConfig PathFindingConfig // Clock is mockable time provider. Clock clock.Clock - // StrictZombiePruning determines if we attempt to prune zombie - // channels according to a stricter criteria. If true, then we'll prune - // a channel if only *one* of the edges is considered a zombie. - // Otherwise, we'll only prune the channel when both edges have a very - // dated last update. - StrictZombiePruning bool - - // IsAlias returns whether a passed ShortChannelID is an alias. This is - // only used for our local channels. - IsAlias func(scid lnwire.ShortChannelID) bool + // ApplyChannelUpdate can be called to apply a new channel update to the + // graph that we received from a payment failure. + ApplyChannelUpdate func(msg *lnwire.ChannelUpdate) bool } // EdgeLocator is a struct used to identify a specific edge. type EdgeLocator struct { - // ChannelID is the channel of this edge. - ChannelID uint64 - - // Direction takes the value of 0 or 1 and is identical in definition to - // the channel direction flag. A value of 0 means the direction from the - // lower node pubkey to the higher. - Direction uint8 -} - -// String returns a human-readable version of the edgeLocator values. -func (e *EdgeLocator) String() string { - return fmt.Sprintf("%v:%v", e.ChannelID, e.Direction) -} - -// ChannelRouter is the layer 3 router within the Lightning stack. Below the -// ChannelRouter is the HtlcSwitch, and below that is the Bitcoin blockchain -// itself. The primary role of the ChannelRouter is to respond to queries for -// potential routes that can support a payment amount, and also general graph -// reachability questions. The router will prune the channel graph -// automatically as new blocks are discovered which spend certain known funding -// outpoints, thereby closing their respective channels. -type ChannelRouter struct { - ntfnClientCounter uint64 // To be used atomically. - - started uint32 // To be used atomically. - stopped uint32 // To be used atomically. - - bestHeight uint32 // To be used atomically. - - // cfg is a copy of the configuration struct that the ChannelRouter was - // initialized with. - cfg *Config - - // newBlocks is a channel in which new blocks connected to the end of - // the main chain are sent over, and blocks updated after a call to - // UpdateFilter. - newBlocks <-chan *chainview.FilteredBlock - - // staleBlocks is a channel in which blocks disconnected from the end - // of our currently known best chain are sent over. - staleBlocks <-chan *chainview.FilteredBlock - - // networkUpdates is a channel that carries new topology updates - // messages from outside the ChannelRouter to be processed by the - // networkHandler. - networkUpdates chan *routingMsg - - // topologyClients maps a client's unique notification ID to a - // topologyClient client that contains its notification dispatch - // channel. - topologyClients *lnutils.SyncMap[uint64, *topologyClient] - - // ntfnClientUpdates is a channel that's used to send new updates to - // topology notification clients to the ChannelRouter. Updates either - // add a new notification client, or cancel notifications for an - // existing client. - ntfnClientUpdates chan *topologyClientUpdate - - // channelEdgeMtx is a mutex we use to make sure we process only one - // ChannelEdgePolicy at a time for a given channelID, to ensure - // consistency between the various database accesses. - channelEdgeMtx *multimutex.Mutex[uint64] - - // statTicker is a resumable ticker that logs the router's progress as - // it discovers channels or receives updates. - statTicker ticker.Ticker - - // stats tracks newly processed channels, updates, and node - // announcements over a window of defaultStatInterval. - stats *routerStats - - quit chan struct{} - wg sync.WaitGroup -} - -// A compile time check to ensure ChannelRouter implements the -// ChannelGraphSource interface. -var _ graph.ChannelGraphSource = (*ChannelRouter)(nil) - -// New creates a new instance of the ChannelRouter with the specified -// configuration parameters. As part of initialization, if the router detects -// that the channel graph isn't fully in sync with the latest UTXO (since the -// channel graph is a subset of the UTXO set) set, then the router will proceed -// to fully sync to the latest state of the UTXO set. -func New(cfg Config) (*ChannelRouter, error) { - r := &ChannelRouter{ - cfg: &cfg, - networkUpdates: make(chan *routingMsg), - topologyClients: &lnutils.SyncMap[uint64, *topologyClient]{}, - ntfnClientUpdates: make(chan *topologyClientUpdate), - channelEdgeMtx: multimutex.NewMutex[uint64](), - statTicker: ticker.New(defaultStatInterval), - stats: new(routerStats), - quit: make(chan struct{}), - } - - return r, nil -} - -// Start launches all the goroutines the ChannelRouter requires to carry out -// its duties. If the router has already been started, then this method is a -// noop. -func (r *ChannelRouter) Start() error { - if !atomic.CompareAndSwapUint32(&r.started, 0, 1) { - return nil - } - - log.Info("Channel Router starting") - - bestHash, bestHeight, err := r.cfg.Chain.GetBestBlock() - if err != nil { - return err - } - - // If the graph has never been pruned, or hasn't fully been created yet, - // then we don't treat this as an explicit error. - if _, _, err := r.cfg.Graph.PruneTip(); err != nil { - switch { - case errors.Is(err, channeldb.ErrGraphNeverPruned): - fallthrough - - case errors.Is(err, channeldb.ErrGraphNotFound): - // If the graph has never been pruned, then we'll set - // the prune height to the current best height of the - // chain backend. - _, err = r.cfg.Graph.PruneGraph( - nil, bestHash, uint32(bestHeight), - ) - if err != nil { - return err - } - - default: - return err - } - } - - // If AssumeChannelValid is present, then we won't rely on pruning - // channels from the graph based on their spentness, but whether they - // are considered zombies or not. We will start zombie pruning after a - // small delay, to avoid slowing down startup of lnd. - if r.cfg.AssumeChannelValid { - time.AfterFunc(r.cfg.FirstTimePruneDelay, func() { - select { - case <-r.quit: - return - default: - } - - log.Info("Initial zombie prune starting") - if err := r.pruneZombieChans(); err != nil { - log.Errorf("Unable to prune zombies: %v", err) - } - }) - } else { - // Otherwise, we'll use our filtered chain view to prune - // channels as soon as they are detected as spent on-chain. - if err := r.cfg.ChainView.Start(); err != nil { - return err - } - - // Once the instance is active, we'll fetch the channel we'll - // receive notifications over. - r.newBlocks = r.cfg.ChainView.FilteredBlocks() - r.staleBlocks = r.cfg.ChainView.DisconnectedBlocks() - - // Before we perform our manual block pruning, we'll construct - // and apply a fresh chain filter to the active - // FilteredChainView instance. We do this before, as otherwise - // we may miss on-chain events as the filter hasn't properly - // been applied. - channelView, err := r.cfg.Graph.ChannelView() - if err != nil && !errors.Is( - err, channeldb.ErrGraphNoEdgesFound, - ) { - - return err - } - - log.Infof("Filtering chain using %v channels active", - len(channelView)) - - if len(channelView) != 0 { - err = r.cfg.ChainView.UpdateFilter( - channelView, uint32(bestHeight), - ) - if err != nil { - return err - } - } - - // The graph pruning might have taken a while and there could be - // new blocks available. - _, bestHeight, err = r.cfg.Chain.GetBestBlock() - if err != nil { - return err - } - r.bestHeight = uint32(bestHeight) - - // Before we begin normal operation of the router, we first need - // to synchronize the channel graph to the latest state of the - // UTXO set. - if err := r.syncGraphWithChain(); err != nil { - return err - } - - // Finally, before we proceed, we'll prune any unconnected nodes - // from the graph in order to ensure we maintain a tight graph - // of "useful" nodes. - err = r.cfg.Graph.PruneGraphNodes() - if err != nil && !errors.Is( - err, channeldb.ErrGraphNodesNotFound, - ) { - - return err - } - } - - // If any payments are still in flight, we resume, to make sure their - // results are properly handled. - payments, err := r.cfg.Control.FetchInFlightPayments() - if err != nil { - return err - } - - // Before we restart existing payments and start accepting more - // payments to be made, we clean the network result store of the - // Switch. We do this here at startup to ensure no more payments can be - // made concurrently, so we know the toKeep map will be up-to-date - // until the cleaning has finished. - toKeep := make(map[uint64]struct{}) - for _, p := range payments { - for _, a := range p.HTLCs { - toKeep[a.AttemptID] = struct{}{} - } - } - - log.Debugf("Cleaning network result store.") - if err := r.cfg.Payer.CleanStore(toKeep); err != nil { - return err - } - - for _, payment := range payments { - log.Infof("Resuming payment %v", payment.Info.PaymentIdentifier) - r.wg.Add(1) - go func(payment *channeldb.MPPayment) { - defer r.wg.Done() - - // Get the hashes used for the outstanding HTLCs. - htlcs := make(map[uint64]lntypes.Hash) - for _, a := range payment.HTLCs { - a := a - - // We check whether the individual attempts - // have their HTLC hash set, if not we'll fall - // back to the overall payment hash. - hash := payment.Info.PaymentIdentifier - if a.Hash != nil { - hash = *a.Hash - } - - htlcs[a.AttemptID] = hash - } - - // Since we are not supporting creating more shards - // after a restart (only receiving the result of the - // shards already outstanding), we create a simple - // shard tracker that will map the attempt IDs to - // hashes used for the HTLCs. This will be enough also - // for AMP payments, since we only need the hashes for - // the individual HTLCs to regenerate the circuits, and - // we don't currently persist the root share necessary - // to re-derive them. - shardTracker := shards.NewSimpleShardTracker( - payment.Info.PaymentIdentifier, htlcs, - ) - - // We create a dummy, empty payment session such that - // we won't make another payment attempt when the - // result for the in-flight attempt is received. - paySession := r.cfg.SessionSource.NewPaymentSessionEmpty() - - // We pass in a non-timeout context, to indicate we - // don't need it to timeout. It will stop immediately - // after the existing attempt has finished anyway. We - // also set a zero fee limit, as no more routes should - // be tried. - noTimeout := time.Duration(0) - _, _, err := r.sendPayment( - context.Background(), 0, - payment.Info.PaymentIdentifier, noTimeout, - paySession, shardTracker, - ) - if err != nil { - log.Errorf("Resuming payment %v failed: %v.", - payment.Info.PaymentIdentifier, err) - return - } - - log.Infof("Resumed payment %v completed.", - payment.Info.PaymentIdentifier) - }(payment) - } - - r.wg.Add(1) - go r.networkHandler() - - return nil -} - -// Stop signals the ChannelRouter to gracefully halt all routines. This method -// will *block* until all goroutines have excited. If the channel router has -// already stopped then this method will return immediately. -func (r *ChannelRouter) Stop() error { - if !atomic.CompareAndSwapUint32(&r.stopped, 0, 1) { - return nil - } - - log.Info("Channel Router shutting down...") - defer log.Debug("Channel Router shutdown complete") - - // Our filtered chain view could've only been started if - // AssumeChannelValid isn't present. - if !r.cfg.AssumeChannelValid { - if err := r.cfg.ChainView.Stop(); err != nil { - return err - } - } - - close(r.quit) - r.wg.Wait() - - return nil -} - -// syncGraphWithChain attempts to synchronize the current channel graph with -// the latest UTXO set state. This process involves pruning from the channel -// graph any channels which have been closed by spending their funding output -// since we've been down. -func (r *ChannelRouter) syncGraphWithChain() error { - // First, we'll need to check to see if we're already in sync with the - // latest state of the UTXO set. - bestHash, bestHeight, err := r.cfg.Chain.GetBestBlock() - if err != nil { - return err - } - r.bestHeight = uint32(bestHeight) - - pruneHash, pruneHeight, err := r.cfg.Graph.PruneTip() - if err != nil { - switch { - // If the graph has never been pruned, or hasn't fully been - // created yet, then we don't treat this as an explicit error. - case errors.Is(err, channeldb.ErrGraphNeverPruned): - case errors.Is(err, channeldb.ErrGraphNotFound): - default: - return err - } - } - - log.Infof("Prune tip for Channel Graph: height=%v, hash=%v", - pruneHeight, pruneHash) - - switch { - - // If the graph has never been pruned, then we can exit early as this - // entails it's being created for the first time and hasn't seen any - // block or created channels. - case pruneHeight == 0 || pruneHash == nil: - return nil - - // If the block hashes and heights match exactly, then we don't need to - // prune the channel graph as we're already fully in sync. - case bestHash.IsEqual(pruneHash) && uint32(bestHeight) == pruneHeight: - return nil - } - - // If the main chain blockhash at prune height is different from the - // prune hash, this might indicate the database is on a stale branch. - mainBlockHash, err := r.cfg.Chain.GetBlockHash(int64(pruneHeight)) - if err != nil { - return err - } - - // While we are on a stale branch of the chain, walk backwards to find - // first common block. - for !pruneHash.IsEqual(mainBlockHash) { - log.Infof("channel graph is stale. Disconnecting block %v "+ - "(hash=%v)", pruneHeight, pruneHash) - // Prune the graph for every channel that was opened at height - // >= pruneHeight. - _, err := r.cfg.Graph.DisconnectBlockAtHeight(pruneHeight) - if err != nil { - return err - } - - pruneHash, pruneHeight, err = r.cfg.Graph.PruneTip() - if err != nil { - switch { - // If at this point the graph has never been pruned, we - // can exit as this entails we are back to the point - // where it hasn't seen any block or created channels, - // alas there's nothing left to prune. - case errors.Is(err, channeldb.ErrGraphNeverPruned): - return nil - - case errors.Is(err, channeldb.ErrGraphNotFound): - return nil - - default: - return err - } - } - mainBlockHash, err = r.cfg.Chain.GetBlockHash(int64(pruneHeight)) - if err != nil { - return err - } - } - - log.Infof("Syncing channel graph from height=%v (hash=%v) to height=%v "+ - "(hash=%v)", pruneHeight, pruneHash, bestHeight, bestHash) - - // If we're not yet caught up, then we'll walk forward in the chain - // pruning the channel graph with each new block that hasn't yet been - // consumed by the channel graph. - var spentOutputs []*wire.OutPoint - for nextHeight := pruneHeight + 1; nextHeight <= uint32(bestHeight); nextHeight++ { - // Break out of the rescan early if a shutdown has been - // requested, otherwise long rescans will block the daemon from - // shutting down promptly. - select { - case <-r.quit: - return ErrRouterShuttingDown - default: - } - - // Using the next height, request a manual block pruning from - // the chainview for the particular block hash. - log.Infof("Filtering block for closed channels, at height: %v", - int64(nextHeight)) - nextHash, err := r.cfg.Chain.GetBlockHash(int64(nextHeight)) - if err != nil { - return err - } - log.Tracef("Running block filter on block with hash: %v", - nextHash) - filterBlock, err := r.cfg.ChainView.FilterBlock(nextHash) - if err != nil { - return err - } - - // We're only interested in all prior outputs that have been - // spent in the block, so collate all the referenced previous - // outpoints within each tx and input. - for _, tx := range filterBlock.Transactions { - for _, txIn := range tx.TxIn { - spentOutputs = append(spentOutputs, - &txIn.PreviousOutPoint) - } - } - } - - // With the spent outputs gathered, attempt to prune the channel graph, - // also passing in the best hash+height so the prune tip can be updated. - closedChans, err := r.cfg.Graph.PruneGraph( - spentOutputs, bestHash, uint32(bestHeight), - ) - if err != nil { - return err - } - - log.Infof("Graph pruning complete: %v channels were closed since "+ - "height %v", len(closedChans), pruneHeight) - return nil -} - -// isZombieChannel takes two edge policy updates and determines if the -// corresponding channel should be considered a zombie. The first boolean is -// true if the policy update from node 1 is considered a zombie, the second -// boolean is that of node 2, and the final boolean is true if the channel -// is considered a zombie. -func (r *ChannelRouter) isZombieChannel(e1, - e2 *models.ChannelEdgePolicy) (bool, bool, bool) { - - chanExpiry := r.cfg.ChannelPruneExpiry - - e1Zombie := e1 == nil || time.Since(e1.LastUpdate) >= chanExpiry - e2Zombie := e2 == nil || time.Since(e2.LastUpdate) >= chanExpiry - - var e1Time, e2Time time.Time - if e1 != nil { - e1Time = e1.LastUpdate - } - if e2 != nil { - e2Time = e2.LastUpdate - } - - return e1Zombie, e2Zombie, r.IsZombieChannel(e1Time, e2Time) -} - -// IsZombieChannel takes the timestamps of the latest channel updates for a -// channel and returns true if the channel should be considered a zombie based -// on these timestamps. -func (r *ChannelRouter) IsZombieChannel(updateTime1, - updateTime2 time.Time) bool { - - chanExpiry := r.cfg.ChannelPruneExpiry - - e1Zombie := updateTime1.IsZero() || - time.Since(updateTime1) >= chanExpiry - - e2Zombie := updateTime2.IsZero() || - time.Since(updateTime2) >= chanExpiry - - // If we're using strict zombie pruning, then a channel is only - // considered live if both edges have a recent update we know of. - if r.cfg.StrictZombiePruning { - return e1Zombie || e2Zombie - } - - // Otherwise, if we're using the less strict variant, then a channel is - // considered live if either of the edges have a recent update. - return e1Zombie && e2Zombie -} - -// pruneZombieChans is a method that will be called periodically to prune out -// any "zombie" channels. We consider channels zombies if *both* edges haven't -// been updated since our zombie horizon. If AssumeChannelValid is present, -// we'll also consider channels zombies if *both* edges are disabled. This -// usually signals that a channel has been closed on-chain. We do this -// periodically to keep a healthy, lively routing table. -func (r *ChannelRouter) pruneZombieChans() error { - chansToPrune := make(map[uint64]struct{}) - chanExpiry := r.cfg.ChannelPruneExpiry - - log.Infof("Examining channel graph for zombie channels") - - // A helper method to detect if the channel belongs to this node - isSelfChannelEdge := func(info *models.ChannelEdgeInfo) bool { - return info.NodeKey1Bytes == r.cfg.SelfNode || - info.NodeKey2Bytes == r.cfg.SelfNode - } - - // First, we'll collect all the channels which are eligible for garbage - // collection due to being zombies. - filterPruneChans := func(info *models.ChannelEdgeInfo, - e1, e2 *models.ChannelEdgePolicy) error { - - // Exit early in case this channel is already marked to be - // pruned - _, markedToPrune := chansToPrune[info.ChannelID] - if markedToPrune { - return nil - } - - // We'll ensure that we don't attempt to prune our *own* - // channels from the graph, as in any case this should be - // re-advertised by the sub-system above us. - if isSelfChannelEdge(info) { - return nil - } - - e1Zombie, e2Zombie, isZombieChan := r.isZombieChannel(e1, e2) - - if e1Zombie { - log.Tracef("Node1 pubkey=%x of chan_id=%v is zombie", - info.NodeKey1Bytes, info.ChannelID) - } - - if e2Zombie { - log.Tracef("Node2 pubkey=%x of chan_id=%v is zombie", - info.NodeKey2Bytes, info.ChannelID) - } - - // If either edge hasn't been updated for a period of - // chanExpiry, then we'll mark the channel itself as eligible - // for graph pruning. - if !isZombieChan { - return nil - } - - log.Debugf("ChannelID(%v) is a zombie, collecting to prune", - info.ChannelID) - - // TODO(roasbeef): add ability to delete single directional edge - chansToPrune[info.ChannelID] = struct{}{} - - return nil - } - - // If AssumeChannelValid is present we'll look at the disabled bit for - // both edges. If they're both disabled, then we can interpret this as - // the channel being closed and can prune it from our graph. - if r.cfg.AssumeChannelValid { - disabledChanIDs, err := r.cfg.Graph.DisabledChannelIDs() - if err != nil { - return fmt.Errorf("unable to get disabled channels "+ - "ids chans: %v", err) - } - - disabledEdges, err := r.cfg.Graph.FetchChanInfos( - disabledChanIDs, - ) - if err != nil { - return fmt.Errorf("unable to fetch disabled channels "+ - "edges chans: %v", err) - } - - // Ensuring we won't prune our own channel from the graph. - for _, disabledEdge := range disabledEdges { - if !isSelfChannelEdge(disabledEdge.Info) { - chansToPrune[disabledEdge.Info.ChannelID] = - struct{}{} - } - } - } - - startTime := time.Unix(0, 0) - endTime := time.Now().Add(-1 * chanExpiry) - oldEdges, err := r.cfg.Graph.ChanUpdatesInHorizon(startTime, endTime) - if err != nil { - return fmt.Errorf("unable to fetch expired channel updates "+ - "chans: %v", err) - } - - for _, u := range oldEdges { - err = filterPruneChans(u.Info, u.Policy1, u.Policy2) - if err != nil { - log.Warnf("Filter pruning channels: %w\n", err) - } - } - - log.Infof("Pruning %v zombie channels", len(chansToPrune)) - if len(chansToPrune) == 0 { - return nil - } - - // With the set of zombie-like channels obtained, we'll do another pass - // to delete them from the channel graph. - toPrune := make([]uint64, 0, len(chansToPrune)) - for chanID := range chansToPrune { - toPrune = append(toPrune, chanID) - log.Tracef("Pruning zombie channel with ChannelID(%v)", chanID) - } - err = r.cfg.Graph.DeleteChannelEdges( - r.cfg.StrictZombiePruning, true, toPrune..., - ) - if err != nil { - return fmt.Errorf("unable to delete zombie channels: %w", err) - } - - // With the channels pruned, we'll also attempt to prune any nodes that - // were a part of them. - err = r.cfg.Graph.PruneGraphNodes() - if err != nil && !errors.Is(err, channeldb.ErrGraphNodesNotFound) { - return fmt.Errorf("unable to prune graph nodes: %w", err) - } - - return nil -} - -// handleNetworkUpdate is responsible for processing the update message and -// notifies topology changes, if any. -// -// NOTE: must be run inside goroutine. -func (r *ChannelRouter) handleNetworkUpdate(vb *ValidationBarrier, - update *routingMsg) { - - defer r.wg.Done() - defer vb.CompleteJob() - - // If this message has an existing dependency, then we'll wait until - // that has been fully validated before we proceed. - err := vb.WaitForDependants(update.msg) - if err != nil { - switch { - case IsError(err, ErrVBarrierShuttingDown): - update.err <- err - - case IsError(err, ErrParentValidationFailed): - update.err <- newErrf(ErrIgnored, err.Error()) - - default: - log.Warnf("unexpected error during validation "+ - "barrier shutdown: %v", err) - update.err <- err - } - - return - } - - // Process the routing update to determine if this is either a new - // update from our PoV or an update to a prior vertex/edge we - // previously accepted. - err = r.processUpdate(update.msg, update.op...) - update.err <- err - - // If this message had any dependencies, then we can now signal them to - // continue. - allowDependents := err == nil || IsError(err, ErrIgnored, ErrOutdated) - vb.SignalDependants(update.msg, allowDependents) - - // If the error is not nil here, there's no need to send topology - // change. - if err != nil { - // We now decide to log an error or not. If allowDependents is - // false, it means there is an error and the error is neither - // ErrIgnored nor ErrOutdated. In this case, we'll log an error. - // Otherwise, we'll add debug log only. - if allowDependents { - log.Debugf("process network updates got: %v", err) - } else { - log.Errorf("process network updates got: %v", err) - } - - return - } - - // Otherwise, we'll send off a new notification for the newly accepted - // update, if any. - topChange := &TopologyChange{} - err = addToTopologyChange(r.cfg.Graph, topChange, update.msg) - if err != nil { - log.Errorf("unable to update topology change notification: %v", - err) - return - } - - if !topChange.isEmpty() { - r.notifyTopologyChange(topChange) - } -} - -// networkHandler is the primary goroutine for the ChannelRouter. The roles of -// this goroutine include answering queries related to the state of the -// network, pruning the graph on new block notification, applying network -// updates, and registering new topology clients. -// -// NOTE: This MUST be run as a goroutine. -func (r *ChannelRouter) networkHandler() { - defer r.wg.Done() - - graphPruneTicker := time.NewTicker(r.cfg.GraphPruneInterval) - defer graphPruneTicker.Stop() - - defer r.statTicker.Stop() - - r.stats.Reset() - - // We'll use this validation barrier to ensure that we process all jobs - // in the proper order during parallel validation. - // - // NOTE: For AssumeChannelValid, we bump up the maximum number of - // concurrent validation requests since there are no blocks being - // fetched. This significantly increases the performance of IGD for - // neutrino nodes. - // - // However, we dial back to use multiple of the number of cores when - // fully validating, to avoid fetching up to 1000 blocks from the - // backend. On bitcoind, this will empirically cause massive latency - // spikes when executing this many concurrent RPC calls. Critical - // subsystems or basic rpc calls that rely on calls such as GetBestBlock - // will hang due to excessive load. - // - // See https://github.com/lightningnetwork/lnd/issues/4892. - var validationBarrier *ValidationBarrier - if r.cfg.AssumeChannelValid { - validationBarrier = NewValidationBarrier(1000, r.quit) - } else { - validationBarrier = NewValidationBarrier( - 4*runtime.NumCPU(), r.quit, - ) - } - - for { - - // If there are stats, resume the statTicker. - if !r.stats.Empty() { - r.statTicker.Resume() - } - - select { - // A new fully validated network update has just arrived. As a - // result we'll modify the channel graph accordingly depending - // on the exact type of the message. - case update := <-r.networkUpdates: - // We'll set up any dependants, and wait until a free - // slot for this job opens up, this allows us to not - // have thousands of goroutines active. - validationBarrier.InitJobDependencies(update.msg) - - r.wg.Add(1) - go r.handleNetworkUpdate(validationBarrier, update) - - // TODO(roasbeef): remove all unconnected vertexes - // after N blocks pass with no corresponding - // announcements. - - case chainUpdate, ok := <-r.staleBlocks: - // If the channel has been closed, then this indicates - // the daemon is shutting down, so we exit ourselves. - if !ok { - return - } - - // Since this block is stale, we update our best height - // to the previous block. - blockHeight := chainUpdate.Height - atomic.StoreUint32(&r.bestHeight, blockHeight-1) - - // Update the channel graph to reflect that this block - // was disconnected. - _, err := r.cfg.Graph.DisconnectBlockAtHeight(blockHeight) - if err != nil { - log.Errorf("unable to prune graph with stale "+ - "block: %v", err) - continue - } - - // TODO(halseth): notify client about the reorg? - - // A new block has arrived, so we can prune the channel graph - // of any channels which were closed in the block. - case chainUpdate, ok := <-r.newBlocks: - // If the channel has been closed, then this indicates - // the daemon is shutting down, so we exit ourselves. - if !ok { - return - } - - // We'll ensure that any new blocks received attach - // directly to the end of our main chain. If not, then - // we've somehow missed some blocks. Here we'll catch - // up the chain with the latest blocks. - currentHeight := atomic.LoadUint32(&r.bestHeight) - switch { - case chainUpdate.Height == currentHeight+1: - err := r.updateGraphWithClosedChannels( - chainUpdate, - ) - if err != nil { - log.Errorf("unable to prune graph "+ - "with closed channels: %v", err) - } - - case chainUpdate.Height > currentHeight+1: - log.Errorf("out of order block: expecting "+ - "height=%v, got height=%v", - currentHeight+1, chainUpdate.Height) - - err := r.getMissingBlocks(currentHeight, chainUpdate) - if err != nil { - log.Errorf("unable to retrieve missing"+ - "blocks: %v", err) - } - - case chainUpdate.Height < currentHeight+1: - log.Errorf("out of order block: expecting "+ - "height=%v, got height=%v", - currentHeight+1, chainUpdate.Height) - - log.Infof("Skipping channel pruning since "+ - "received block height %v was already"+ - " processed.", chainUpdate.Height) - } - - // A new notification client update has arrived. We're either - // gaining a new client, or cancelling notifications for an - // existing client. - case ntfnUpdate := <-r.ntfnClientUpdates: - clientID := ntfnUpdate.clientID - - if ntfnUpdate.cancel { - client, ok := r.topologyClients.LoadAndDelete( - clientID, - ) - if ok { - close(client.exit) - client.wg.Wait() - - close(client.ntfnChan) - } - - continue - } - - r.topologyClients.Store(clientID, &topologyClient{ - ntfnChan: ntfnUpdate.ntfnChan, - exit: make(chan struct{}), - }) - - // The graph prune ticker has ticked, so we'll examine the - // state of the known graph to filter out any zombie channels - // for pruning. - case <-graphPruneTicker.C: - if err := r.pruneZombieChans(); err != nil { - log.Errorf("Unable to prune zombies: %v", err) - } - - // Log any stats if we've processed a non-empty number of - // channels, updates, or nodes. We'll only pause the ticker if - // the last window contained no updates to avoid resuming and - // pausing while consecutive windows contain new info. - case <-r.statTicker.Ticks(): - if !r.stats.Empty() { - log.Infof(r.stats.String()) - } else { - r.statTicker.Pause() - } - r.stats.Reset() - - // The router has been signalled to exit, to we exit our main - // loop so the wait group can be decremented. - case <-r.quit: - return - } - } -} - -// getMissingBlocks walks through all missing blocks and updates the graph -// closed channels accordingly. -func (r *ChannelRouter) getMissingBlocks(currentHeight uint32, - chainUpdate *chainview.FilteredBlock) error { - - outdatedHash, err := r.cfg.Chain.GetBlockHash(int64(currentHeight)) - if err != nil { - return err - } - - outdatedBlock := &chainntnfs.BlockEpoch{ - Height: int32(currentHeight), - Hash: outdatedHash, - } - - epochClient, err := r.cfg.Notifier.RegisterBlockEpochNtfn( - outdatedBlock, - ) - if err != nil { - return err - } - defer epochClient.Cancel() - - blockDifference := int(chainUpdate.Height - currentHeight) - - // We'll walk through all the outdated blocks and make sure we're able - // to update the graph with any closed channels from them. - for i := 0; i < blockDifference; i++ { - var ( - missingBlock *chainntnfs.BlockEpoch - ok bool - ) - - select { - case missingBlock, ok = <-epochClient.Epochs: - if !ok { - return nil - } - - case <-r.quit: - return nil - } - - filteredBlock, err := r.cfg.ChainView.FilterBlock( - missingBlock.Hash, - ) - if err != nil { - return err - } - - err = r.updateGraphWithClosedChannels( - filteredBlock, - ) - if err != nil { - return err - } - } - - return nil -} - -// updateGraphWithClosedChannels prunes the channel graph of closed channels -// that are no longer needed. -func (r *ChannelRouter) updateGraphWithClosedChannels( - chainUpdate *chainview.FilteredBlock) error { - - // Once a new block arrives, we update our running track of the height - // of the chain tip. - blockHeight := chainUpdate.Height - - atomic.StoreUint32(&r.bestHeight, blockHeight) - log.Infof("Pruning channel graph using block %v (height=%v)", - chainUpdate.Hash, blockHeight) - - // We're only interested in all prior outputs that have been spent in - // the block, so collate all the referenced previous outpoints within - // each tx and input. - var spentOutputs []*wire.OutPoint - for _, tx := range chainUpdate.Transactions { - for _, txIn := range tx.TxIn { - spentOutputs = append(spentOutputs, - &txIn.PreviousOutPoint) - } - } - - // With the spent outputs gathered, attempt to prune the channel graph, - // also passing in the hash+height of the block being pruned so the - // prune tip can be updated. - chansClosed, err := r.cfg.Graph.PruneGraph(spentOutputs, - &chainUpdate.Hash, chainUpdate.Height) - if err != nil { - log.Errorf("unable to prune routing table: %v", err) - return err - } - - log.Infof("Block %v (height=%v) closed %v channels", chainUpdate.Hash, - blockHeight, len(chansClosed)) - - if len(chansClosed) == 0 { - return err - } - - // Notify all currently registered clients of the newly closed channels. - closeSummaries := createCloseSummaries(blockHeight, chansClosed...) - r.notifyTopologyChange(&TopologyChange{ - ClosedChannels: closeSummaries, - }) - - return nil -} - -// assertNodeAnnFreshness returns a non-nil error if we have an announcement in -// the database for the passed node with a timestamp newer than the passed -// timestamp. ErrIgnored will be returned if we already have the node, and -// ErrOutdated will be returned if we have a timestamp that's after the new -// timestamp. -func (r *ChannelRouter) assertNodeAnnFreshness(node route.Vertex, - msgTimestamp time.Time) error { - - // If we are not already aware of this node, it means that we don't - // know about any channel using this node. To avoid a DoS attack by - // node announcements, we will ignore such nodes. If we do know about - // this node, check that this update brings info newer than what we - // already have. - lastUpdate, exists, err := r.cfg.Graph.HasLightningNode(node) - if err != nil { - return errors.Errorf("unable to query for the "+ - "existence of node: %v", err) - } - if !exists { - return newErrf(ErrIgnored, "Ignoring node announcement"+ - " for node not found in channel graph (%x)", - node[:]) - } - - // If we've reached this point then we're aware of the vertex being - // advertised. So we now check if the new message has a new time stamp, - // if not then we won't accept the new data as it would override newer - // data. - if !lastUpdate.Before(msgTimestamp) { - return newErrf(ErrOutdated, "Ignoring outdated "+ - "announcement for %x", node[:]) - } - - return nil -} - -// addZombieEdge adds a channel that failed complete validation into the zombie -// index, so we can avoid having to re-validate it in the future. -func (r *ChannelRouter) addZombieEdge(chanID uint64) error { - // If the edge fails validation we'll mark the edge itself as a zombie, - // so we don't continue to request it. We use the "zero key" for both - // node pubkeys so this edge can't be resurrected. - var zeroKey [33]byte - err := r.cfg.Graph.MarkEdgeZombie(chanID, zeroKey, zeroKey) - if err != nil { - return fmt.Errorf("unable to mark spent chan(id=%v) as a "+ - "zombie: %w", chanID, err) - } - - return nil -} - -// makeFundingScript is used to make the funding script for both segwit v0 and -// segwit v1 (taproot) channels. -// -// TODO(roasbeef: export and use elsewhere? -func makeFundingScript(bitcoinKey1, bitcoinKey2 []byte, - chanFeatures []byte) ([]byte, error) { - - legacyFundingScript := func() ([]byte, error) { - witnessScript, err := input.GenMultiSigScript( - bitcoinKey1, bitcoinKey2, - ) - if err != nil { - return nil, err - } - pkScript, err := input.WitnessScriptHash(witnessScript) - if err != nil { - return nil, err - } - - return pkScript, nil - } - - if len(chanFeatures) == 0 { - return legacyFundingScript() - } - - // In order to make the correct funding script, we'll need to parse the - // chanFeatures bytes into a feature vector we can interact with. - rawFeatures := lnwire.NewRawFeatureVector() - err := rawFeatures.Decode(bytes.NewReader(chanFeatures)) - if err != nil { - return nil, fmt.Errorf("unable to parse chan feature "+ - "bits: %w", err) - } - - chanFeatureBits := lnwire.NewFeatureVector( - rawFeatures, lnwire.Features, - ) - if chanFeatureBits.HasFeature( - lnwire.SimpleTaprootChannelsOptionalStaging, - ) { - - pubKey1, err := btcec.ParsePubKey(bitcoinKey1) - if err != nil { - return nil, err - } - pubKey2, err := btcec.ParsePubKey(bitcoinKey2) - if err != nil { - return nil, err - } - - fundingScript, _, err := input.GenTaprootFundingScript( - pubKey1, pubKey2, 0, - ) - if err != nil { - return nil, err - } - - return fundingScript, nil - } - - return legacyFundingScript() -} - -// processUpdate processes a new relate authenticated channel/edge, node or -// channel/edge update network update. If the update didn't affect the internal -// state of the draft due to either being out of date, invalid, or redundant, -// then error is returned. -func (r *ChannelRouter) processUpdate(msg interface{}, - op ...batch.SchedulerOption) error { - - switch msg := msg.(type) { - case *channeldb.LightningNode: - // Before we add the node to the database, we'll check to see - // if the announcement is "fresh" or not. If it isn't, then - // we'll return an error. - err := r.assertNodeAnnFreshness(msg.PubKeyBytes, msg.LastUpdate) - if err != nil { - return err - } - - if err := r.cfg.Graph.AddLightningNode(msg, op...); err != nil { - return errors.Errorf("unable to add node %x to the "+ - "graph: %v", msg.PubKeyBytes, err) - } - - log.Tracef("Updated vertex data for node=%x", msg.PubKeyBytes) - r.stats.incNumNodeUpdates() - - case *models.ChannelEdgeInfo: - log.Debugf("Received ChannelEdgeInfo for channel %v", - msg.ChannelID) - - // Prior to processing the announcement we first check if we - // already know of this channel, if so, then we can exit early. - _, _, exists, isZombie, err := r.cfg.Graph.HasChannelEdge( - msg.ChannelID, - ) - if err != nil && !errors.Is( - err, channeldb.ErrGraphNoEdgesFound, - ) { - - return errors.Errorf("unable to check for edge "+ - "existence: %v", err) - } - if isZombie { - return newErrf(ErrIgnored, "ignoring msg for zombie "+ - "chan_id=%v", msg.ChannelID) - } - if exists { - return newErrf(ErrIgnored, "ignoring msg for known "+ - "chan_id=%v", msg.ChannelID) - } - - // If AssumeChannelValid is present, then we are unable to - // perform any of the expensive checks below, so we'll - // short-circuit our path straight to adding the edge to our - // graph. If the passed ShortChannelID is an alias, then we'll - // skip validation as it will not map to a legitimate tx. This - // is not a DoS vector as only we can add an alias - // ChannelAnnouncement from the gossiper. - scid := lnwire.NewShortChanIDFromInt(msg.ChannelID) - if r.cfg.AssumeChannelValid || r.cfg.IsAlias(scid) { - if err := r.cfg.Graph.AddChannelEdge(msg, op...); err != nil { - return fmt.Errorf("unable to add edge: %w", err) - } - log.Tracef("New channel discovered! Link "+ - "connects %x and %x with ChannelID(%v)", - msg.NodeKey1Bytes, msg.NodeKey2Bytes, - msg.ChannelID) - r.stats.incNumEdgesDiscovered() - - break - } - - // Before we can add the channel to the channel graph, we need - // to obtain the full funding outpoint that's encoded within - // the channel ID. - channelID := lnwire.NewShortChanIDFromInt(msg.ChannelID) - fundingTx, err := r.fetchFundingTxWrapper(&channelID) - if err != nil { - // In order to ensure we don't erroneously mark a - // channel as a zombie due to an RPC failure, we'll - // attempt to string match for the relevant errors. - // - // * btcd: - // * https://github.com/btcsuite/btcd/blob/master/rpcserver.go#L1316 - // * https://github.com/btcsuite/btcd/blob/master/rpcserver.go#L1086 - // * bitcoind: - // * https://github.com/bitcoin/bitcoin/blob/7fcf53f7b4524572d1d0c9a5fdc388e87eb02416/src/rpc/blockchain.cpp#L770 - // * https://github.com/bitcoin/bitcoin/blob/7fcf53f7b4524572d1d0c9a5fdc388e87eb02416/src/rpc/blockchain.cpp#L954 - switch { - case strings.Contains(err.Error(), "not found"): - fallthrough - - case strings.Contains(err.Error(), "out of range"): - // If the funding transaction isn't found at - // all, then we'll mark the edge itself as a - // zombie, so we don't continue to request it. - // We use the "zero key" for both node pubkeys - // so this edge can't be resurrected. - zErr := r.addZombieEdge(msg.ChannelID) - if zErr != nil { - return zErr - } - - default: - } - - return newErrf(ErrNoFundingTransaction, "unable to "+ - "locate funding tx: %v", err) - } - - // Recreate witness output to be sure that declared in channel - // edge bitcoin keys and channel value corresponds to the - // reality. - fundingPkScript, err := makeFundingScript( - msg.BitcoinKey1Bytes[:], msg.BitcoinKey2Bytes[:], - msg.Features, - ) - if err != nil { - return err - } - - // Next we'll validate that this channel is actually - // well-formed. If this check fails, then this channel either - // doesn't exist, or isn't the one that was meant to be created - // according to the passed channel proofs. - fundingPoint, err := chanvalidate.Validate(&chanvalidate.Context{ - Locator: &chanvalidate.ShortChanIDChanLocator{ - ID: channelID, - }, - MultiSigPkScript: fundingPkScript, - FundingTx: fundingTx, - }) - if err != nil { - // Mark the edge as a zombie, so we won't try to - // re-validate it on start up. - if err := r.addZombieEdge(msg.ChannelID); err != nil { - return err - } - - return newErrf(ErrInvalidFundingOutput, "output "+ - "failed validation: %w", err) - } - - // Now that we have the funding outpoint of the channel, ensure - // that it hasn't yet been spent. If so, then this channel has - // been closed, so we'll ignore it. - chanUtxo, err := r.cfg.Chain.GetUtxo( - fundingPoint, fundingPkScript, channelID.BlockHeight, - r.quit, - ) - if err != nil { - if errors.Is(err, btcwallet.ErrOutputSpent) { - zErr := r.addZombieEdge(msg.ChannelID) - if zErr != nil { - return zErr - } - } - - return newErrf(ErrChannelSpent, "unable to fetch utxo "+ - "for chan_id=%v, chan_point=%v: %v", - msg.ChannelID, fundingPoint, err) - } - - // TODO(roasbeef): this is a hack, needs to be removed - // after commitment fees are dynamic. - msg.Capacity = btcutil.Amount(chanUtxo.Value) - msg.ChannelPoint = *fundingPoint - if err := r.cfg.Graph.AddChannelEdge(msg, op...); err != nil { - return errors.Errorf("unable to add edge: %v", err) - } - - log.Debugf("New channel discovered! Link "+ - "connects %x and %x with ChannelPoint(%v): "+ - "chan_id=%v, capacity=%v", - msg.NodeKey1Bytes, msg.NodeKey2Bytes, - fundingPoint, msg.ChannelID, msg.Capacity) - r.stats.incNumEdgesDiscovered() - - // As a new edge has been added to the channel graph, we'll - // update the current UTXO filter within our active - // FilteredChainView, so we are notified if/when this channel is - // closed. - filterUpdate := []channeldb.EdgePoint{ - { - FundingPkScript: fundingPkScript, - OutPoint: *fundingPoint, - }, - } - err = r.cfg.ChainView.UpdateFilter( - filterUpdate, atomic.LoadUint32(&r.bestHeight), - ) - if err != nil { - return errors.Errorf("unable to update chain "+ - "view: %v", err) - } - - case *models.ChannelEdgePolicy: - log.Debugf("Received ChannelEdgePolicy for channel %v", - msg.ChannelID) + // ChannelID is the channel of this edge. + ChannelID uint64 - // We make sure to hold the mutex for this channel ID, - // such that no other goroutine is concurrently doing - // database accesses for the same channel ID. - r.channelEdgeMtx.Lock(msg.ChannelID) - defer r.channelEdgeMtx.Unlock(msg.ChannelID) + // Direction takes the value of 0 or 1 and is identical in definition to + // the channel direction flag. A value of 0 means the direction from the + // lower node pubkey to the higher. + Direction uint8 +} - edge1Timestamp, edge2Timestamp, exists, isZombie, err := - r.cfg.Graph.HasChannelEdge(msg.ChannelID) - if err != nil && !errors.Is( - err, channeldb.ErrGraphNoEdgesFound, - ) { +// String returns a human-readable version of the edgeLocator values. +func (e *EdgeLocator) String() string { + return fmt.Sprintf("%v:%v", e.ChannelID, e.Direction) +} - return errors.Errorf("unable to check for edge "+ - "existence: %v", err) +// ChannelRouter is the layer 3 router within the Lightning stack. Below the +// ChannelRouter is the HtlcSwitch, and below that is the Bitcoin blockchain +// itself. The primary role of the ChannelRouter is to respond to queries for +// potential routes that can support a payment amount, and also general graph +// reachability questions. The router will prune the channel graph +// automatically as new blocks are discovered which spend certain known funding +// outpoints, thereby closing their respective channels. +type ChannelRouter struct { + started uint32 // To be used atomically. + stopped uint32 // To be used atomically. - } + // cfg is a copy of the configuration struct that the ChannelRouter was + // initialized with. + cfg *Config - // If the channel is marked as a zombie in our database, and - // we consider this a stale update, then we should not apply the - // policy. - isStaleUpdate := time.Since(msg.LastUpdate) > r.cfg.ChannelPruneExpiry - if isZombie && isStaleUpdate { - return newErrf(ErrIgnored, "ignoring stale update "+ - "(flags=%v|%v) for zombie chan_id=%v", - msg.MessageFlags, msg.ChannelFlags, - msg.ChannelID) - } + quit chan struct{} + wg sync.WaitGroup +} - // If the channel doesn't exist in our database, we cannot - // apply the updated policy. - if !exists { - return newErrf(ErrIgnored, "ignoring update "+ - "(flags=%v|%v) for unknown chan_id=%v", - msg.MessageFlags, msg.ChannelFlags, - msg.ChannelID) - } +// New creates a new instance of the ChannelRouter with the specified +// configuration parameters. As part of initialization, if the router detects +// that the channel graph isn't fully in sync with the latest UTXO (since the +// channel graph is a subset of the UTXO set) set, then the router will proceed +// to fully sync to the latest state of the UTXO set. +func New(cfg Config) (*ChannelRouter, error) { + return &ChannelRouter{ + cfg: &cfg, + quit: make(chan struct{}), + }, nil +} - // As edges are directional edge node has a unique policy for - // the direction of the edge they control. Therefore, we first - // check if we already have the most up-to-date information for - // that edge. If this message has a timestamp not strictly - // newer than what we already know of we can exit early. - switch { - - // A flag set of 0 indicates this is an announcement for the - // "first" node in the channel. - case msg.ChannelFlags&lnwire.ChanUpdateDirection == 0: - - // Ignore outdated message. - if !edge1Timestamp.Before(msg.LastUpdate) { - return newErrf(ErrOutdated, "Ignoring "+ - "outdated update (flags=%v|%v) for "+ - "known chan_id=%v", msg.MessageFlags, - msg.ChannelFlags, msg.ChannelID) - } +// Start launches all the goroutines the ChannelRouter requires to carry out +// its duties. If the router has already been started, then this method is a +// noop. +func (r *ChannelRouter) Start() error { + if !atomic.CompareAndSwapUint32(&r.started, 0, 1) { + return nil + } - // Similarly, a flag set of 1 indicates this is an announcement - // for the "second" node in the channel. - case msg.ChannelFlags&lnwire.ChanUpdateDirection == 1: + log.Info("Channel Router starting") - // Ignore outdated message. - if !edge2Timestamp.Before(msg.LastUpdate) { - return newErrf(ErrOutdated, "Ignoring "+ - "outdated update (flags=%v|%v) for "+ - "known chan_id=%v", msg.MessageFlags, - msg.ChannelFlags, msg.ChannelID) - } - } + // If any payments are still in flight, we resume, to make sure their + // results are properly handled. + payments, err := r.cfg.Control.FetchInFlightPayments() + if err != nil { + return err + } - // Now that we know this isn't a stale update, we'll apply the - // new edge policy to the proper directional edge within the - // channel graph. - if err = r.cfg.Graph.UpdateEdgePolicy(msg, op...); err != nil { - err := errors.Errorf("unable to add channel: %v", err) - log.Error(err) - return err + // Before we restart existing payments and start accepting more + // payments to be made, we clean the network result store of the + // Switch. We do this here at startup to ensure no more payments can be + // made concurrently, so we know the toKeep map will be up-to-date + // until the cleaning has finished. + toKeep := make(map[uint64]struct{}) + for _, p := range payments { + for _, a := range p.HTLCs { + toKeep[a.AttemptID] = struct{}{} } + } - log.Tracef("New channel update applied: %v", - newLogClosure(func() string { return spew.Sdump(msg) })) - r.stats.incNumChannelUpdates() - - default: - return errors.Errorf("wrong routing update message type") + log.Debugf("Cleaning network result store.") + if err := r.cfg.Payer.CleanStore(toKeep); err != nil { + return err } - return nil -} + for _, payment := range payments { + log.Infof("Resuming payment %v", payment.Info.PaymentIdentifier) + r.wg.Add(1) + go func(payment *channeldb.MPPayment) { + defer r.wg.Done() -// fetchFundingTxWrapper is a wrapper around fetchFundingTx, except that it -// will exit if the router has stopped. -func (r *ChannelRouter) fetchFundingTxWrapper(chanID *lnwire.ShortChannelID) ( - *wire.MsgTx, error) { + // Get the hashes used for the outstanding HTLCs. + htlcs := make(map[uint64]lntypes.Hash) + for _, a := range payment.HTLCs { + a := a - txChan := make(chan *wire.MsgTx, 1) - errChan := make(chan error, 1) + // We check whether the individual attempts + // have their HTLC hash set, if not we'll fall + // back to the overall payment hash. + hash := payment.Info.PaymentIdentifier + if a.Hash != nil { + hash = *a.Hash + } - go func() { - tx, err := r.fetchFundingTx(chanID) - if err != nil { - errChan <- err - return - } + htlcs[a.AttemptID] = hash + } - txChan <- tx - }() + // Since we are not supporting creating more shards + // after a restart (only receiving the result of the + // shards already outstanding), we create a simple + // shard tracker that will map the attempt IDs to + // hashes used for the HTLCs. This will be enough also + // for AMP payments, since we only need the hashes for + // the individual HTLCs to regenerate the circuits, and + // we don't currently persist the root share necessary + // to re-derive them. + shardTracker := shards.NewSimpleShardTracker( + payment.Info.PaymentIdentifier, htlcs, + ) - select { - case tx := <-txChan: - return tx, nil + // We create a dummy, empty payment session such that + // we won't make another payment attempt when the + // result for the in-flight attempt is received. + paySession := r.cfg.SessionSource.NewPaymentSessionEmpty() - case err := <-errChan: - return nil, err + // We pass in a non-timeout context, to indicate we + // don't need it to timeout. It will stop immediately + // after the existing attempt has finished anyway. We + // also set a zero fee limit, as no more routes should + // be tried. + noTimeout := time.Duration(0) + _, _, err := r.sendPayment( + context.Background(), 0, + payment.Info.PaymentIdentifier, noTimeout, + paySession, shardTracker, + ) + if err != nil { + log.Errorf("Resuming payment %v failed: %v.", + payment.Info.PaymentIdentifier, err) + return + } - case <-r.quit: - return nil, ErrRouterShuttingDown + log.Infof("Resumed payment %v completed.", + payment.Info.PaymentIdentifier) + }(payment) } + + return nil } -// fetchFundingTx returns the funding transaction identified by the passed -// short channel ID. -// -// TODO(roasbeef): replace with call to GetBlockTransaction? (would allow to -// later use getblocktxn) -func (r *ChannelRouter) fetchFundingTx( - chanID *lnwire.ShortChannelID) (*wire.MsgTx, error) { - - // First fetch the block hash by the block number encoded, then use - // that hash to fetch the block itself. - blockNum := int64(chanID.BlockHeight) - blockHash, err := r.cfg.Chain.GetBlockHash(blockNum) - if err != nil { - return nil, err - } - fundingBlock, err := r.cfg.Chain.GetBlock(blockHash) - if err != nil { - return nil, err +// Stop signals the ChannelRouter to gracefully halt all routines. This method +// will *block* until all goroutines have excited. If the channel router has +// already stopped then this method will return immediately. +func (r *ChannelRouter) Stop() error { + if !atomic.CompareAndSwapUint32(&r.stopped, 0, 1) { + return nil } - // As a sanity check, ensure that the advertised transaction index is - // within the bounds of the total number of transactions within a - // block. - numTxns := uint32(len(fundingBlock.Transactions)) - if chanID.TxIndex > numTxns-1 { - return nil, fmt.Errorf("tx_index=#%v "+ - "is out of range (max_index=%v), network_chan_id=%v", - chanID.TxIndex, numTxns-1, chanID) - } + log.Info("Channel Router shutting down...") + defer log.Debug("Channel Router shutdown complete") - return fundingBlock.Transactions[chanID.TxIndex].Copy(), nil -} + close(r.quit) + r.wg.Wait() -// routingMsg couples a routing related routing topology update to the -// error channel. -type routingMsg struct { - msg interface{} - op []batch.SchedulerOption - err chan error + return nil } // RouteRequest contains the parameters for a pathfinding request. It may @@ -2672,328 +1258,6 @@ func (r *ChannelRouter) extractChannelUpdate( return update } -// applyChannelUpdate validates a channel update and if valid, applies it to the -// database. It returns a bool indicating whether the updates were successful. -func (r *ChannelRouter) applyChannelUpdate(msg *lnwire.ChannelUpdate) bool { - ch, _, _, err := r.GetChannelByID(msg.ShortChannelID) - if err != nil { - log.Errorf("Unable to retrieve channel by id: %v", err) - return false - } - - var pubKey *btcec.PublicKey - - switch msg.ChannelFlags & lnwire.ChanUpdateDirection { - case 0: - pubKey, _ = ch.NodeKey1() - - case 1: - pubKey, _ = ch.NodeKey2() - } - - // Exit early if the pubkey cannot be decided. - if pubKey == nil { - log.Errorf("Unable to decide pubkey with ChannelFlags=%v", - msg.ChannelFlags) - return false - } - - err = ValidateChannelUpdateAnn(pubKey, ch.Capacity, msg) - if err != nil { - log.Errorf("Unable to validate channel update: %v", err) - return false - } - - err = r.UpdateEdge(&models.ChannelEdgePolicy{ - SigBytes: msg.Signature.ToSignatureBytes(), - ChannelID: msg.ShortChannelID.ToUint64(), - LastUpdate: time.Unix(int64(msg.Timestamp), 0), - MessageFlags: msg.MessageFlags, - ChannelFlags: msg.ChannelFlags, - TimeLockDelta: msg.TimeLockDelta, - MinHTLC: msg.HtlcMinimumMsat, - MaxHTLC: msg.HtlcMaximumMsat, - FeeBaseMSat: lnwire.MilliSatoshi(msg.BaseFee), - FeeProportionalMillionths: lnwire.MilliSatoshi(msg.FeeRate), - ExtraOpaqueData: msg.ExtraOpaqueData, - }) - if err != nil && !IsError(err, ErrIgnored, ErrOutdated) { - log.Errorf("Unable to apply channel update: %v", err) - return false - } - - return true -} - -// AddNode is used to add information about a node to the router database. If -// the node with this pubkey is not present in an existing channel, it will -// be ignored. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) AddNode(node *channeldb.LightningNode, - op ...batch.SchedulerOption) error { - - rMsg := &routingMsg{ - msg: node, - op: op, - err: make(chan error, 1), - } - - select { - case r.networkUpdates <- rMsg: - select { - case err := <-rMsg.err: - return err - case <-r.quit: - return ErrRouterShuttingDown - } - case <-r.quit: - return ErrRouterShuttingDown - } -} - -// AddEdge is used to add edge/channel to the topology of the router, after all -// information about channel will be gathered this edge/channel might be used -// in construction of payment path. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) AddEdge(edge *models.ChannelEdgeInfo, - op ...batch.SchedulerOption) error { - - rMsg := &routingMsg{ - msg: edge, - op: op, - err: make(chan error, 1), - } - - select { - case r.networkUpdates <- rMsg: - select { - case err := <-rMsg.err: - return err - case <-r.quit: - return ErrRouterShuttingDown - } - case <-r.quit: - return ErrRouterShuttingDown - } -} - -// UpdateEdge is used to update edge information, without this message edge -// considered as not fully constructed. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) UpdateEdge(update *models.ChannelEdgePolicy, - op ...batch.SchedulerOption) error { - - rMsg := &routingMsg{ - msg: update, - op: op, - err: make(chan error, 1), - } - - select { - case r.networkUpdates <- rMsg: - select { - case err := <-rMsg.err: - return err - case <-r.quit: - return ErrRouterShuttingDown - } - case <-r.quit: - return ErrRouterShuttingDown - } -} - -// CurrentBlockHeight returns the block height from POV of the router subsystem. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) CurrentBlockHeight() (uint32, error) { - _, height, err := r.cfg.Chain.GetBestBlock() - return uint32(height), err -} - -// SyncedHeight returns the block height to which the router subsystem currently -// is synced to. This can differ from the above chain height if the goroutine -// responsible for processing the blocks isn't yet up to speed. -func (r *ChannelRouter) SyncedHeight() uint32 { - return atomic.LoadUint32(&r.bestHeight) -} - -// GetChannelByID return the channel by the channel id. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) GetChannelByID(chanID lnwire.ShortChannelID) ( - *models.ChannelEdgeInfo, - *models.ChannelEdgePolicy, - *models.ChannelEdgePolicy, error) { - - return r.cfg.Graph.FetchChannelEdgesByID(chanID.ToUint64()) -} - -// FetchLightningNode attempts to look up a target node by its identity public -// key. channeldb.ErrGraphNodeNotFound is returned if the node doesn't exist -// within the graph. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) FetchLightningNode( - node route.Vertex) (*channeldb.LightningNode, error) { - - return r.cfg.Graph.FetchLightningNode(node) -} - -// ForEachNode is used to iterate over every node in router topology. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) ForEachNode( - cb func(*channeldb.LightningNode) error) error { - - return r.cfg.Graph.ForEachNode( - func(_ kvdb.RTx, n *channeldb.LightningNode) error { - return cb(n) - }) -} - -// ForAllOutgoingChannels is used to iterate over all outgoing channels owned by -// the router. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) ForAllOutgoingChannels(cb func(kvdb.RTx, - *models.ChannelEdgeInfo, *models.ChannelEdgePolicy) error) error { - - return r.cfg.Graph.ForEachNodeChannel(r.cfg.SelfNode, - func(tx kvdb.RTx, c *models.ChannelEdgeInfo, - e *models.ChannelEdgePolicy, - _ *models.ChannelEdgePolicy) error { - - if e == nil { - return fmt.Errorf("channel from self node " + - "has no policy") - } - - return cb(tx, c, e) - }, - ) -} - -// AddProof updates the channel edge info with proof which is needed to -// properly announce the edge to the rest of the network. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) AddProof(chanID lnwire.ShortChannelID, - proof *models.ChannelAuthProof) error { - - info, _, _, err := r.cfg.Graph.FetchChannelEdgesByID(chanID.ToUint64()) - if err != nil { - return err - } - - info.AuthProof = proof - return r.cfg.Graph.UpdateChannelEdge(info) -} - -// IsStaleNode returns true if the graph source has a node announcement for the -// target node with a more recent timestamp. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) IsStaleNode(node route.Vertex, - timestamp time.Time) bool { - - // If our attempt to assert that the node announcement is fresh fails, - // then we know that this is actually a stale announcement. - err := r.assertNodeAnnFreshness(node, timestamp) - if err != nil { - log.Debugf("Checking stale node %x got %v", node, err) - return true - } - - return false -} - -// IsPublicNode determines whether the given vertex is seen as a public node in -// the graph from the graph's source node's point of view. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) IsPublicNode(node route.Vertex) (bool, error) { - return r.cfg.Graph.IsPublicNode(node) -} - -// IsKnownEdge returns true if the graph source already knows of the passed -// channel ID either as a live or zombie edge. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) IsKnownEdge(chanID lnwire.ShortChannelID) bool { - _, _, exists, isZombie, _ := r.cfg.Graph.HasChannelEdge( - chanID.ToUint64(), - ) - return exists || isZombie -} - -// IsStaleEdgePolicy returns true if the graph source has a channel edge for -// the passed channel ID (and flags) that have a more recent timestamp. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) IsStaleEdgePolicy(chanID lnwire.ShortChannelID, - timestamp time.Time, flags lnwire.ChanUpdateChanFlags) bool { - - edge1Timestamp, edge2Timestamp, exists, isZombie, err := - r.cfg.Graph.HasChannelEdge(chanID.ToUint64()) - if err != nil { - log.Debugf("Check stale edge policy got error: %v", err) - return false - - } - - // If we know of the edge as a zombie, then we'll make some additional - // checks to determine if the new policy is fresh. - if isZombie { - // When running with AssumeChannelValid, we also prune channels - // if both of their edges are disabled. We'll mark the new - // policy as stale if it remains disabled. - if r.cfg.AssumeChannelValid { - isDisabled := flags&lnwire.ChanUpdateDisabled == - lnwire.ChanUpdateDisabled - if isDisabled { - return true - } - } - - // Otherwise, we'll fall back to our usual ChannelPruneExpiry. - return time.Since(timestamp) > r.cfg.ChannelPruneExpiry - } - - // If we don't know of the edge, then it means it's fresh (thus not - // stale). - if !exists { - return false - } - - // As edges are directional edge node has a unique policy for the - // direction of the edge they control. Therefore, we first check if we - // already have the most up-to-date information for that edge. If so, - // then we can exit early. - switch { - // A flag set of 0 indicates this is an announcement for the "first" - // node in the channel. - case flags&lnwire.ChanUpdateDirection == 0: - return !edge1Timestamp.Before(timestamp) - - // Similarly, a flag set of 1 indicates this is an announcement for the - // "second" node in the channel. - case flags&lnwire.ChanUpdateDirection == 1: - return !edge2Timestamp.Before(timestamp) - } - - return false -} - -// MarkEdgeLive clears an edge from our zombie index, deeming it as live. -// -// NOTE: This method is part of the ChannelGraphSource interface. -func (r *ChannelRouter) MarkEdgeLive(chanID lnwire.ShortChannelID) error { - return r.cfg.Graph.MarkEdgeLive(chanID.ToUint64()) -} - // ErrNoChannel is returned when a route cannot be built because there are no // channels that satisfy all requirements. type ErrNoChannel struct { diff --git a/routing/router_test.go b/routing/router_test.go index 49ca6a2665..824d6aed9a 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -6,6 +6,8 @@ import ( "image/color" "math" "math/rand" + "net" + "sync" "sync/atomic" "testing" "time" @@ -16,15 +18,16 @@ import ( "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/wire" "github.com/davecgh/go-spew/spew" + "github.com/go-errors/errors" sphinx "github.com/lightningnetwork/lightning-onion" - "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/htlcswitch" - lnmock "github.com/lightningnetwork/lnd/lntest/mock" - "github.com/lightningnetwork/lnd/lntest/wait" + "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" "github.com/lightningnetwork/lnd/routing/route" @@ -33,11 +36,38 @@ import ( "github.com/stretchr/testify/require" ) -var uniquePaymentID uint64 = 1 // to be used atomically +var ( + uniquePaymentID uint64 = 1 // to be used atomically + + testAddr = &net.TCPAddr{IP: (net.IP)([]byte{0xA, 0x0, 0x0, 0x1}), + Port: 9000} + testAddrs = []net.Addr{testAddr} + + testFeatures = lnwire.NewFeatureVector(nil, lnwire.Features) + + testHash = [32]byte{ + 0xb7, 0x94, 0x38, 0x5f, 0x2d, 0x1e, 0xf7, 0xab, + 0x4d, 0x92, 0x73, 0xd1, 0x90, 0x63, 0x81, 0xb4, + 0x4f, 0x2f, 0x6f, 0x25, 0x88, 0xa3, 0xef, 0xb9, + 0x6a, 0x49, 0x18, 0x83, 0x31, 0x98, 0x47, 0x53, + } + + testTime = time.Date(2018, time.January, 9, 14, 00, 00, 0, time.UTC) + + priv1, _ = btcec.NewPrivateKey() + bitcoinKey1 = priv1.PubKey() + + priv2, _ = btcec.NewPrivateKey() + bitcoinKey2 = priv2.PubKey() + + timeout = time.Second * 5 +) type testCtx struct { router *ChannelRouter + graphBuilder *mockGraphBuilder + graph *channeldb.ChannelGraph aliases map[string]route.Vertex @@ -45,12 +75,6 @@ type testCtx struct { privKeys map[string]*btcec.PrivateKey channelIDs map[route.Vertex]map[route.Vertex]uint64 - - chain *mockChain - - chainView *mockChainView - - notifier *lnmock.ChainNotifier } func (c *testCtx) getChannelIDFromAlias(t *testing.T, a, b string) uint64 { @@ -69,57 +93,22 @@ func (c *testCtx) getChannelIDFromAlias(t *testing.T, a, b string) uint64 { return channelID } -func (c *testCtx) RestartRouter(t *testing.T) { - // First, we'll reset the chainView's state as it doesn't persist the - // filter between restarts. - c.chainView.Reset() - - source, err := c.graph.SourceNode() - require.NoError(t, err) - - // With the chainView reset, we'll now re-create the router itself, and - // start it. - router, err := New(Config{ - SelfNode: source.PubKeyBytes, - RoutingGraph: newMockGraphSessionChanDB(c.graph), - Graph: c.graph, - Chain: c.chain, - ChainView: c.chainView, - Payer: &mockPaymentAttemptDispatcherOld{}, - Control: makeMockControlTower(), - ChannelPruneExpiry: time.Hour * 24, - GraphPruneInterval: time.Hour * 2, - IsAlias: func(scid lnwire.ShortChannelID) bool { - return false - }, - }) - require.NoError(t, err, "unable to create router") - require.NoError(t, router.Start(), "unable to start router") - - // Finally, we'll swap out the pointer in the testCtx with this fresh - // instance of the router. - c.router = router -} - -func createTestCtxFromGraphInstance(t *testing.T, - startingHeight uint32, graphInstance *testGraphInstance, - strictPruning bool) *testCtx { +func createTestCtxFromGraphInstance(t *testing.T, startingHeight uint32, + graphInstance *testGraphInstance) *testCtx { return createTestCtxFromGraphInstanceAssumeValid( - t, startingHeight, graphInstance, false, strictPruning, + t, startingHeight, graphInstance, ) } func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, - startingHeight uint32, graphInstance *testGraphInstance, - assumeValid bool, strictPruning bool) *testCtx { + startingHeight uint32, graphInstance *testGraphInstance) *testCtx { // We'll initialize an instance of the channel router with mock // versions of the chain and channel notifier. As we don't need to test // any p2p functionality, the peer send and switch send messages won't // be populated. chain := newMockChain(startingHeight) - chainView := newMockChainView(chain) pathFindingConfig := PathFindingConfig{ MinProbability: 0.01, @@ -154,50 +143,34 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, MissionControl: mc, } - notifier := &lnmock.ChainNotifier{ - EpochChan: make(chan *chainntnfs.BlockEpoch), - SpendChan: make(chan *chainntnfs.SpendDetail), - ConfChan: make(chan *chainntnfs.TxConfirmation), - } + graphBuilder := newMockGraphBuilder(graphInstance.graph) router, err := New(Config{ - SelfNode: sourceNode.PubKeyBytes, - RoutingGraph: newMockGraphSessionChanDB(graphInstance.graph), - Graph: graphInstance.graph, - Chain: chain, - ChainView: chainView, - Payer: &mockPaymentAttemptDispatcherOld{}, - Notifier: notifier, - Control: makeMockControlTower(), - MissionControl: mc, - SessionSource: sessionSource, - ChannelPruneExpiry: time.Hour * 24, - GraphPruneInterval: time.Hour * 2, - GetLink: graphInstance.getLink, + SelfNode: sourceNode.PubKeyBytes, + RoutingGraph: newMockGraphSessionChanDB(graphInstance.graph), + Chain: chain, + Payer: &mockPaymentAttemptDispatcherOld{}, + Control: makeMockControlTower(), + MissionControl: mc, + SessionSource: sessionSource, + GetLink: graphInstance.getLink, NextPaymentID: func() (uint64, error) { next := atomic.AddUint64(&uniquePaymentID, 1) return next, nil }, - PathFindingConfig: pathFindingConfig, - Clock: clock.NewTestClock(time.Unix(1, 0)), - AssumeChannelValid: assumeValid, - StrictZombiePruning: strictPruning, - IsAlias: func(scid lnwire.ShortChannelID) bool { - return false - }, + PathFindingConfig: pathFindingConfig, + Clock: clock.NewTestClock(time.Unix(1, 0)), + ApplyChannelUpdate: graphBuilder.ApplyChannelUpdate, }) - require.NoError(t, err, "unable to create router") require.NoError(t, router.Start(), "unable to start router") ctx := &testCtx{ - router: router, - graph: graphInstance.graph, - aliases: graphInstance.aliasMap, - privKeys: graphInstance.privKeyMap, - channelIDs: graphInstance.channelIDs, - chain: chain, - chainView: chainView, - notifier: notifier, + router: router, + graphBuilder: graphBuilder, + graph: graphInstance.graph, + aliases: graphInstance.aliasMap, + privKeys: graphInstance.privKeyMap, + channelIDs: graphInstance.channelIDs, } t.Cleanup(func() { @@ -207,27 +180,27 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, return ctx } -func createTestCtxSingleNode(t *testing.T, - startingHeight uint32) *testCtx { - - graph, graphBackend, err := makeTestGraph(t, true) - require.NoError(t, err, "failed to make test graph") +func createTestNode() (*channeldb.LightningNode, error) { + updateTime := rand.Int63() - sourceNode, err := createTestNode() - require.NoError(t, err, "failed to create test node") - - require.NoError(t, - graph.SetSourceNode(sourceNode), "failed to set source node", - ) + priv, err := btcec.NewPrivateKey() + if err != nil { + return nil, errors.Errorf("unable create private key: %v", err) + } - graphInstance := &testGraphInstance{ - graph: graph, - graphBackend: graphBackend, + pub := priv.PubKey().SerializeCompressed() + n := &channeldb.LightningNode{ + HaveNodeAnnouncement: true, + LastUpdate: time.Unix(updateTime, 0), + Addresses: testAddrs, + Color: color.RGBA{1, 2, 3, 0}, + Alias: "kek" + string(pub[:]), + AuthSigBytes: testSig.Serialize(), + Features: testFeatures, } + copy(n.PubKeyBytes[:], pub) - return createTestCtxFromGraphInstance( - t, startingHeight, graphInstance, false, - ) + return n, nil } func createTestCtxFromFile(t *testing.T, @@ -238,9 +211,7 @@ func createTestCtxFromFile(t *testing.T, graphInstance, err := parseTestGraph(t, true, testGraph) require.NoError(t, err, "unable to create test graph") - return createTestCtxFromGraphInstance( - t, startingHeight, graphInstance, false, - ) + return createTestCtxFromGraphInstance(t, startingHeight, graphInstance) } // Add valid signature to channel update simulated as error received from the @@ -474,13 +445,11 @@ func TestChannelUpdateValidation(t *testing.T) { require.NoError(t, err, "unable to create graph") const startingBlockHeight = 101 - ctx := createTestCtxFromGraphInstance( - t, startingBlockHeight, testGraph, true, - ) + ctx := createTestCtxFromGraphInstance(t, startingBlockHeight, testGraph) // Assert that the initially configured fee is retrieved correctly. - _, e1, e2, err := ctx.router.GetChannelByID( - lnwire.NewShortChanIDFromInt(1), + _, e1, e2, err := ctx.graph.FetchChannelEdgesByID( + lnwire.NewShortChanIDFromInt(1).ToUint64(), ) require.NoError(t, err, "cannot retrieve channel") @@ -541,14 +510,18 @@ func TestChannelUpdateValidation(t *testing.T) { // empty for this test. var payment lntypes.Hash + // Instruct the mock graph builder to reject the next update we send + // it. + ctx.graphBuilder.setNextReject(true) + // Send off the payment request to the router. The specified route // should be attempted and the channel update should be received by - // router and ignored because it is missing a valid signature. + // graph and ignored because it is missing a valid signature. _, err = ctx.router.SendToRoute(payment, rt) require.Error(t, err, "expected route to fail with channel update") - _, e1, e2, err = ctx.router.GetChannelByID( - lnwire.NewShortChanIDFromInt(1), + _, e1, e2, err = ctx.graph.FetchChannelEdgesByID( + lnwire.NewShortChanIDFromInt(1).ToUint64(), ) require.NoError(t, err, "cannot retrieve channel") @@ -560,14 +533,17 @@ func TestChannelUpdateValidation(t *testing.T) { // Next, add a signature to the channel update. signErrChanUpdate(t, testGraph.privKeyMap["b"], &errChanUpdate) + // Let the graph builder accept the next update. + ctx.graphBuilder.setNextReject(false) + // Retry the payment using the same route as before. _, err = ctx.router.SendToRoute(payment, rt) require.Error(t, err, "expected route to fail with channel update") // This time a valid signature was supplied and the policy change should // have been applied to the graph. - _, e1, e2, err = ctx.router.GetChannelByID( - lnwire.NewShortChanIDFromInt(1), + _, e1, e2, err = ctx.graph.FetchChannelEdgesByID( + lnwire.NewShortChanIDFromInt(1).ToUint64(), ) require.NoError(t, err, "cannot retrieve channel") @@ -1202,1677 +1178,186 @@ func TestSendPaymentErrorPathPruning(t *testing.T) { ) } -// TestAddProof checks that we can update the channel proof after channel -// info was added to the database. -func TestAddProof(t *testing.T) { +// TestFindPathFeeWeighting tests that the findPath method will properly prefer +// routes with lower fees over routes with lower time lock values. This is +// meant to exercise the fact that the internal findPath method ranks edges +// with the square of the total fee in order bias towards lower fees. +func TestFindPathFeeWeighting(t *testing.T) { t.Parallel() - ctx := createTestCtxSingleNode(t, 0) + const startingBlockHeight = 101 + ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) - // Before creating out edge, we'll create two new nodes within the - // network that the channel will connect. - node1, err := createTestNode() - if err != nil { - t.Fatal(err) - } - node2, err := createTestNode() - if err != nil { - t.Fatal(err) - } + var preImage [32]byte + copy(preImage[:], bytes.Repeat([]byte{9}, 32)) - // In order to be able to add the edge we should have a valid funding - // UTXO within the blockchain. - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), bitcoinKey2.SerializeCompressed(), - 100, 0) - require.NoError(t, err, "unable create channel edge") - fundingBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + sourceNode, err := ctx.graph.SourceNode() + require.NoError(t, err, "unable to fetch source node") - // After utxo was recreated adding the edge without the proof. - edge := &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - NodeKey1Bytes: node1.PubKeyBytes, - NodeKey2Bytes: node2.PubKeyBytes, - AuthProof: nil, - } - copy(edge.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) - copy(edge.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + amt := lnwire.MilliSatoshi(100) - if err := ctx.router.AddEdge(edge); err != nil { - t.Fatalf("unable to add edge: %v", err) - } + target := ctx.aliases["luoji"] - // Now we'll attempt to update the proof and check that it has been - // properly updated. - if err := ctx.router.AddProof(*chanID, &testAuthProof); err != nil { - t.Fatalf("unable to add proof: %v", err) - } + // We'll now attempt a path finding attempt using this set up. Due to + // the edge weighting, we should select the direct path over the 2 hop + // path even though the direct path has a higher potential time lock. + path, err := dbFindPath( + ctx.graph, nil, &mockBandwidthHints{}, + noRestrictions, + testPathFindingConfig, + sourceNode.PubKeyBytes, target, amt, 0, 0, + ) + require.NoError(t, err, "unable to find path") - info, _, _, err := ctx.router.GetChannelByID(*chanID) - require.NoError(t, err, "unable to get channel") - if info.AuthProof == nil { - t.Fatal("proof have been updated") + // The route that was chosen should be exactly one hop, and should be + // directly to luoji. + if len(path) != 1 { + t.Fatalf("expected path length of 1, instead was: %v", len(path)) + } + if path[0].policy.ToNodePubKey() != ctx.aliases["luoji"] { + t.Fatalf("wrong node: %v", path[0].policy.ToNodePubKey()) } } -// TestIgnoreNodeAnnouncement tests that adding a node to the router that is -// not known from any channel announcement, leads to the announcement being -// ignored. -func TestIgnoreNodeAnnouncement(t *testing.T) { +// TestEmptyRoutesGenerateSphinxPacket tests that the generateSphinxPacket +// function is able to gracefully handle being passed a nil set of hops for the +// route by the caller. +func TestEmptyRoutesGenerateSphinxPacket(t *testing.T) { t.Parallel() - const startingBlockHeight = 101 - ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) - - pub := priv1.PubKey() - node := &channeldb.LightningNode{ - HaveNodeAnnouncement: true, - LastUpdate: time.Unix(123, 0), - Addresses: testAddrs, - Color: color.RGBA{1, 2, 3, 0}, - Alias: "node11", - AuthSigBytes: testSig.Serialize(), - Features: testFeatures, - } - copy(node.PubKeyBytes[:], pub.SerializeCompressed()) - - err := ctx.router.AddNode(node) - if !IsError(err, ErrIgnored) { - t.Fatalf("expected to get ErrIgnore, instead got: %v", err) + sessionKey, _ := btcec.NewPrivateKey() + emptyRoute := &route.Route{} + _, _, err := generateSphinxPacket(emptyRoute, testHash[:], sessionKey) + if err != route.ErrNoRouteHopsProvided { + t.Fatalf("expected empty hops error: instead got: %v", err) } } -// TestIgnoreChannelEdgePolicyForUnknownChannel checks that a router will -// ignore a channel policy for a channel not in the graph. -func TestIgnoreChannelEdgePolicyForUnknownChannel(t *testing.T) { +// TestUnknownErrorSource tests that if the source of an error is unknown, all +// edges along the route will be pruned. +func TestUnknownErrorSource(t *testing.T) { t.Parallel() - const startingBlockHeight = 101 + // Setup a network. It contains two paths to c: a->b->c and an + // alternative a->d->c. + chanCapSat := btcutil.Amount(100000) + testChannels := []*testChannel{ + symmetricTestChannel("a", "b", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + MinHTLC: 1, + MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), + }, 1), + symmetricTestChannel("b", "c", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + MinHTLC: 1, + MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), + }, 3), + symmetricTestChannel("a", "d", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + FeeBaseMsat: 100000, + MinHTLC: 1, + MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), + }, 2), + symmetricTestChannel("d", "c", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + FeeBaseMsat: 100000, + MinHTLC: 1, + MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), + }, 4), + } - // Setup an initially empty network. - testChannels := []*testChannel{} - testGraph, err := createTestGraphFromChannels( - t, true, testChannels, "roasbeef", - ) + testGraph, err := createTestGraphFromChannels(t, true, testChannels, "a") require.NoError(t, err, "unable to create graph") - ctx := createTestCtxFromGraphInstance( - t, startingBlockHeight, testGraph, false, + const startingBlockHeight = 101 + ctx := createTestCtxFromGraphInstance(t, startingBlockHeight, testGraph) + + // Create a payment to node c. + payment := createDummyLightningPayment( + t, ctx.aliases["c"], lnwire.NewMSatFromSatoshis(1000), ) - var pub1 [33]byte - copy(pub1[:], priv1.PubKey().SerializeCompressed()) + // We'll modify the SendToSwitch method so that it simulates hop b as a + // node that returns an unparsable failure if approached via the a->b + // channel. + ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( + func(firstHop lnwire.ShortChannelID) ([32]byte, error) { - var pub2 [33]byte - copy(pub2[:], priv2.PubKey().SerializeCompressed()) + // If channel a->b is used, return an error without + // source and message. The sender won't know the origin + // of the error. + if firstHop.ToUint64() == 1 { + return [32]byte{}, + htlcswitch.ErrUnreadableFailureMessage + } - // Add the edge between the two unknown nodes to the graph, and check - // that the nodes are found after the fact. - fundingTx, _, chanID, err := createChannelEdge( - ctx, bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), 10000, 500, - ) - require.NoError(t, err, "unable to create channel edge") - fundingBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + // Otherwise the payment succeeds. + return lntypes.Preimage{}, nil + }) - edge := &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - NodeKey1Bytes: pub1, - NodeKey2Bytes: pub2, - BitcoinKey1Bytes: pub1, - BitcoinKey2Bytes: pub2, - AuthProof: nil, - } - edgePolicy := &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - ChannelID: edge.ChannelID, - LastUpdate: testTime, - TimeLockDelta: 10, - MinHTLC: 1, - FeeBaseMSat: 10, - FeeProportionalMillionths: 10000, - } + // Send off the payment request to the router. The expectation is that + // the route a->b->c is tried first. An unreadable faiure is returned + // which should pruning the channel a->b. We expect the payment to + // succeed via a->d. + _, _, err = ctx.router.SendPayment(payment) + require.NoErrorf(t, err, "unable to send payment: %v", + payment.paymentHash) - // Attempt to update the edge. This should be ignored, since the edge - // is not yet added to the router. - err = ctx.router.UpdateEdge(edgePolicy) - if !IsError(err, ErrIgnored) { - t.Fatalf("expected to get ErrIgnore, instead got: %v", err) - } + // Next we modify payment result to return an unknown failure. + ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( + func(firstHop lnwire.ShortChannelID) ([32]byte, error) { - // Add the edge. - if err := ctx.router.AddEdge(edge); err != nil { - t.Fatalf("expected to be able to add edge to the channel graph,"+ - " even though the vertexes were unknown: %v.", err) - } + // If channel a->b is used, simulate that the failure + // couldn't be decoded (FailureMessage is nil). + if firstHop.ToUint64() == 2 { + return [32]byte{}, + htlcswitch.NewUnknownForwardingError(1) + } + + // Otherwise the payment succeeds. + return lntypes.Preimage{}, nil + }) - // Now updating the edge policy should succeed. - if err := ctx.router.UpdateEdge(edgePolicy); err != nil { - t.Fatalf("unable to update edge policy: %v", err) + // Send off the payment request to the router. We expect the payment to + // fail because both routes have been pruned. + payment.paymentHash[1] ^= 1 + _, _, err = ctx.router.SendPayment(payment) + if err == nil { + t.Fatalf("expected payment to fail") } } -// TestAddEdgeUnknownVertexes tests that if an edge is added that contains two -// vertexes which we don't know of, the edge should be available for use -// regardless. This is due to the fact that we don't actually need node -// announcements for the channel vertexes to be able to use the channel. -func TestAddEdgeUnknownVertexes(t *testing.T) { +// TestSendToRouteStructuredError asserts that SendToRoute returns a structured +// error. +func TestSendToRouteStructuredError(t *testing.T) { t.Parallel() - const startingBlockHeight = 101 - ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) - - var pub1 [33]byte - copy(pub1[:], priv1.PubKey().SerializeCompressed()) + // Setup a three node network. + chanCapSat := btcutil.Amount(100000) + testChannels := []*testChannel{ + symmetricTestChannel("a", "b", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + MinHTLC: 1, + MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), + }, 1), + symmetricTestChannel("b", "c", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + MinHTLC: 1, + MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), + }, 2), + } - var pub2 [33]byte - copy(pub2[:], priv2.PubKey().SerializeCompressed()) + testGraph, err := createTestGraphFromChannels(t, true, testChannels, "a") + require.NoError(t, err, "unable to create graph") - // The two nodes we are about to add should not exist yet. - _, exists1, err := ctx.graph.HasLightningNode(pub1) - require.NoError(t, err, "unable to query graph") - if exists1 { - t.Fatalf("node already existed") - } - _, exists2, err := ctx.graph.HasLightningNode(pub2) - require.NoError(t, err, "unable to query graph") - if exists2 { - t.Fatalf("node already existed") - } - - // Add the edge between the two unknown nodes to the graph, and check - // that the nodes are found after the fact. - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - 10000, 500, - ) - require.NoError(t, err, "unable to create channel edge") - fundingBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) - - edge := &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - NodeKey1Bytes: pub1, - NodeKey2Bytes: pub2, - BitcoinKey1Bytes: pub1, - BitcoinKey2Bytes: pub2, - AuthProof: nil, - } - if err := ctx.router.AddEdge(edge); err != nil { - t.Fatalf("expected to be able to add edge to the channel graph,"+ - " even though the vertexes were unknown: %v.", err) - } - - // We must add the edge policy to be able to use the edge for route - // finding. - edgePolicy := &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - ChannelID: edge.ChannelID, - LastUpdate: testTime, - TimeLockDelta: 10, - MinHTLC: 1, - FeeBaseMSat: 10, - FeeProportionalMillionths: 10000, - ToNode: edge.NodeKey2Bytes, - } - edgePolicy.ChannelFlags = 0 - - if err := ctx.router.UpdateEdge(edgePolicy); err != nil { - t.Fatalf("unable to update edge policy: %v", err) - } - - // Create edge in the other direction as well. - edgePolicy = &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - ChannelID: edge.ChannelID, - LastUpdate: testTime, - TimeLockDelta: 10, - MinHTLC: 1, - FeeBaseMSat: 10, - FeeProportionalMillionths: 10000, - ToNode: edge.NodeKey1Bytes, - } - edgePolicy.ChannelFlags = 1 - - if err := ctx.router.UpdateEdge(edgePolicy); err != nil { - t.Fatalf("unable to update edge policy: %v", err) - } - - // After adding the edge between the two previously unknown nodes, they - // should have been added to the graph. - _, exists1, err = ctx.graph.HasLightningNode(pub1) - require.NoError(t, err, "unable to query graph") - if !exists1 { - t.Fatalf("node1 was not added to the graph") - } - _, exists2, err = ctx.graph.HasLightningNode(pub2) - require.NoError(t, err, "unable to query graph") - if !exists2 { - t.Fatalf("node2 was not added to the graph") - } - - // We will connect node1 to the rest of the test graph, and make sure - // we can find a route to node2, which will use the just added channel - // edge. - - // We will connect node 1 to "sophon" - connectNode := ctx.aliases["sophon"] - connectNodeKey, err := btcec.ParsePubKey(connectNode[:]) - if err != nil { - t.Fatal(err) - } - - var ( - pubKey1 *btcec.PublicKey - pubKey2 *btcec.PublicKey - ) - node1Bytes := priv1.PubKey().SerializeCompressed() - node2Bytes := connectNode - if bytes.Compare(node1Bytes[:], node2Bytes[:]) == -1 { - pubKey1 = priv1.PubKey() - pubKey2 = connectNodeKey - } else { - pubKey1 = connectNodeKey - pubKey2 = priv1.PubKey() - } - - fundingTx, _, chanID, err = createChannelEdge(ctx, - pubKey1.SerializeCompressed(), pubKey2.SerializeCompressed(), - 10000, 510) - require.NoError(t, err, "unable to create channel edge") - fundingBlock = &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) - - edge = &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - AuthProof: nil, - } - copy(edge.NodeKey1Bytes[:], node1Bytes) - edge.NodeKey2Bytes = node2Bytes - copy(edge.BitcoinKey1Bytes[:], node1Bytes) - edge.BitcoinKey2Bytes = node2Bytes - - if err := ctx.router.AddEdge(edge); err != nil { - t.Fatalf("unable to add edge to the channel graph: %v.", err) - } - - edgePolicy = &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - ChannelID: edge.ChannelID, - LastUpdate: testTime, - TimeLockDelta: 10, - MinHTLC: 1, - FeeBaseMSat: 10, - FeeProportionalMillionths: 10000, - ToNode: edge.NodeKey2Bytes, - } - edgePolicy.ChannelFlags = 0 - - if err := ctx.router.UpdateEdge(edgePolicy); err != nil { - t.Fatalf("unable to update edge policy: %v", err) - } - - edgePolicy = &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - ChannelID: edge.ChannelID, - LastUpdate: testTime, - TimeLockDelta: 10, - MinHTLC: 1, - FeeBaseMSat: 10, - FeeProportionalMillionths: 10000, - ToNode: edge.NodeKey1Bytes, - } - edgePolicy.ChannelFlags = 1 - - if err := ctx.router.UpdateEdge(edgePolicy); err != nil { - t.Fatalf("unable to update edge policy: %v", err) - } - - // We should now be able to find a route to node 2. - paymentAmt := lnwire.NewMSatFromSatoshis(100) - targetNode := priv2.PubKey() - var targetPubKeyBytes route.Vertex - copy(targetPubKeyBytes[:], targetNode.SerializeCompressed()) - - req, err := NewRouteRequest( - ctx.router.cfg.SelfNode, &targetPubKeyBytes, - paymentAmt, 0, noRestrictions, nil, nil, nil, MinCLTVDelta, - ) - require.NoError(t, err, "invalid route request") - _, _, err = ctx.router.FindRoute(req) - require.NoError(t, err, "unable to find any routes") - - // Now check that we can update the node info for the partial node - // without messing up the channel graph. - n1 := &channeldb.LightningNode{ - HaveNodeAnnouncement: true, - LastUpdate: time.Unix(123, 0), - Addresses: testAddrs, - Color: color.RGBA{1, 2, 3, 0}, - Alias: "node11", - AuthSigBytes: testSig.Serialize(), - Features: testFeatures, - } - copy(n1.PubKeyBytes[:], priv1.PubKey().SerializeCompressed()) - - if err := ctx.router.AddNode(n1); err != nil { - t.Fatalf("could not add node: %v", err) - } - - n2 := &channeldb.LightningNode{ - HaveNodeAnnouncement: true, - LastUpdate: time.Unix(123, 0), - Addresses: testAddrs, - Color: color.RGBA{1, 2, 3, 0}, - Alias: "node22", - AuthSigBytes: testSig.Serialize(), - Features: testFeatures, - } - copy(n2.PubKeyBytes[:], priv2.PubKey().SerializeCompressed()) - - if err := ctx.router.AddNode(n2); err != nil { - t.Fatalf("could not add node: %v", err) - } - - // Should still be able to find the route, and the info should be - // updated. - req, err = NewRouteRequest( - ctx.router.cfg.SelfNode, &targetPubKeyBytes, - paymentAmt, 0, noRestrictions, nil, nil, nil, MinCLTVDelta, - ) - require.NoError(t, err, "invalid route request") - - _, _, err = ctx.router.FindRoute(req) - require.NoError(t, err, "unable to find any routes") - - copy1, err := ctx.graph.FetchLightningNode(pub1) - require.NoError(t, err, "unable to fetch node") - - if copy1.Alias != n1.Alias { - t.Fatalf("fetched node not equal to original") - } - - copy2, err := ctx.graph.FetchLightningNode(pub2) - require.NoError(t, err, "unable to fetch node") - - if copy2.Alias != n2.Alias { - t.Fatalf("fetched node not equal to original") - } -} - -// TestWakeUpOnStaleBranch tests that upon startup of the ChannelRouter, if the -// the chain previously reflected in the channel graph is stale (overtaken by a -// longer chain), the channel router will prune the graph for any channels -// confirmed on the stale chain, and resync to the main chain. -func TestWakeUpOnStaleBranch(t *testing.T) { - t.Parallel() - - const startingBlockHeight = 101 - ctx := createTestCtxSingleNode(t, startingBlockHeight) - - const chanValue = 10000 - - // chanID1 will not be reorged out. - var chanID1 uint64 - - // chanID2 will be reorged out. - var chanID2 uint64 - - // Create 10 common blocks, confirming chanID1. - for i := uint32(1); i <= 10; i++ { - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - height := startingBlockHeight + i - if i == 5 { - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - chanValue, height) - if err != nil { - t.Fatalf("unable create channel edge: %v", err) - } - block.Transactions = append(block.Transactions, - fundingTx) - chanID1 = chanID.ToUint64() - - } - ctx.chain.addBlock(block, height, rand.Uint32()) - ctx.chain.setBestBlock(int32(height)) - ctx.chainView.notifyBlock(block.BlockHash(), height, - []*wire.MsgTx{}, t) - } - - // Give time to process new blocks - time.Sleep(time.Millisecond * 500) - - _, forkHeight, err := ctx.chain.GetBestBlock() - require.NoError(t, err, "unable to ge best block") - - // Create 10 blocks on the minority chain, confirming chanID2. - for i := uint32(1); i <= 10; i++ { - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - height := uint32(forkHeight) + i - if i == 5 { - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - chanValue, height) - if err != nil { - t.Fatalf("unable create channel edge: %v", err) - } - block.Transactions = append(block.Transactions, - fundingTx) - chanID2 = chanID.ToUint64() - } - ctx.chain.addBlock(block, height, rand.Uint32()) - ctx.chain.setBestBlock(int32(height)) - ctx.chainView.notifyBlock(block.BlockHash(), height, - []*wire.MsgTx{}, t) - } - // Give time to process new blocks - time.Sleep(time.Millisecond * 500) - - // Now add the two edges to the channel graph, and check that they - // correctly show up in the database. - node1, err := createTestNode() - require.NoError(t, err, "unable to create test node") - node2, err := createTestNode() - require.NoError(t, err, "unable to create test node") - - edge1 := &models.ChannelEdgeInfo{ - ChannelID: chanID1, - NodeKey1Bytes: node1.PubKeyBytes, - NodeKey2Bytes: node2.PubKeyBytes, - AuthProof: &models.ChannelAuthProof{ - NodeSig1Bytes: testSig.Serialize(), - NodeSig2Bytes: testSig.Serialize(), - BitcoinSig1Bytes: testSig.Serialize(), - BitcoinSig2Bytes: testSig.Serialize(), - }, - } - copy(edge1.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) - copy(edge1.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - - if err := ctx.router.AddEdge(edge1); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - edge2 := &models.ChannelEdgeInfo{ - ChannelID: chanID2, - NodeKey1Bytes: node1.PubKeyBytes, - NodeKey2Bytes: node2.PubKeyBytes, - AuthProof: &models.ChannelAuthProof{ - NodeSig1Bytes: testSig.Serialize(), - NodeSig2Bytes: testSig.Serialize(), - BitcoinSig1Bytes: testSig.Serialize(), - BitcoinSig2Bytes: testSig.Serialize(), - }, - } - copy(edge2.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) - copy(edge2.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - - if err := ctx.router.AddEdge(edge2); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - // Check that the fundingTxs are in the graph db. - _, _, has, isZombie, err := ctx.graph.HasChannelEdge(chanID1) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID1) - } - if !has { - t.Fatalf("could not find edge in graph") - } - if isZombie { - t.Fatal("edge was marked as zombie") - } - - _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID2) - } - if !has { - t.Fatalf("could not find edge in graph") - } - if isZombie { - t.Fatal("edge was marked as zombie") - } - - // Stop the router, so we can reorg the chain while its offline. - if err := ctx.router.Stop(); err != nil { - t.Fatalf("unable to stop router: %v", err) - } - - // Create a 15 block fork. - for i := uint32(1); i <= 15; i++ { - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - height := uint32(forkHeight) + i - ctx.chain.addBlock(block, height, rand.Uint32()) - ctx.chain.setBestBlock(int32(height)) - } - - // Give time to process new blocks. - time.Sleep(time.Millisecond * 500) - - source, err := ctx.graph.SourceNode() - require.NoError(t, err) - - // Create new router with same graph database. - router, err := New(Config{ - SelfNode: source.PubKeyBytes, - RoutingGraph: newMockGraphSessionChanDB(ctx.graph), - Graph: ctx.graph, - Chain: ctx.chain, - ChainView: ctx.chainView, - Payer: &mockPaymentAttemptDispatcherOld{}, - Control: makeMockControlTower(), - ChannelPruneExpiry: time.Hour * 24, - GraphPruneInterval: time.Hour * 2, - - // We'll set the delay to zero to prune immediately. - FirstTimePruneDelay: 0, - - IsAlias: func(scid lnwire.ShortChannelID) bool { - return false - }, - }) - if err != nil { - t.Fatalf("unable to create router %v", err) - } - - // It should resync to the longer chain on startup. - if err := router.Start(); err != nil { - t.Fatalf("unable to start router: %v", err) - } - - // The channel with chanID2 should not be in the database anymore, - // since it is not confirmed on the longest chain. chanID1 should - // still be. - _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID1) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID1) - } - if !has { - t.Fatalf("did not find edge in graph") - } - if isZombie { - t.Fatal("edge was marked as zombie") - } - - _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID2) - } - if has { - t.Fatalf("found edge in graph") - } - if isZombie { - t.Fatal("reorged edge should not be marked as zombie") - } -} - -// TestDisconnectedBlocks checks that the router handles a reorg happening when -// it is active. -func TestDisconnectedBlocks(t *testing.T) { - t.Parallel() - - const startingBlockHeight = 101 - ctx := createTestCtxSingleNode(t, startingBlockHeight) - - const chanValue = 10000 - - // chanID1 will not be reorged out, while chanID2 will be reorged out. - var chanID1, chanID2 uint64 - - // Create 10 common blocks, confirming chanID1. - for i := uint32(1); i <= 10; i++ { - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - height := startingBlockHeight + i - if i == 5 { - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - chanValue, height) - if err != nil { - t.Fatalf("unable create channel edge: %v", err) - } - block.Transactions = append(block.Transactions, - fundingTx) - chanID1 = chanID.ToUint64() - - } - ctx.chain.addBlock(block, height, rand.Uint32()) - ctx.chain.setBestBlock(int32(height)) - ctx.chainView.notifyBlock(block.BlockHash(), height, - []*wire.MsgTx{}, t) - } - - // Give time to process new blocks - time.Sleep(time.Millisecond * 500) - - _, forkHeight, err := ctx.chain.GetBestBlock() - require.NoError(t, err, "unable to get best block") - - // Create 10 blocks on the minority chain, confirming chanID2. - var minorityChain []*wire.MsgBlock - for i := uint32(1); i <= 10; i++ { - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - height := uint32(forkHeight) + i - if i == 5 { - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - chanValue, height) - if err != nil { - t.Fatalf("unable create channel edge: %v", err) - } - block.Transactions = append(block.Transactions, - fundingTx) - chanID2 = chanID.ToUint64() - } - minorityChain = append(minorityChain, block) - ctx.chain.addBlock(block, height, rand.Uint32()) - ctx.chain.setBestBlock(int32(height)) - ctx.chainView.notifyBlock(block.BlockHash(), height, - []*wire.MsgTx{}, t) - } - // Give time to process new blocks - time.Sleep(time.Millisecond * 500) - - // Now add the two edges to the channel graph, and check that they - // correctly show up in the database. - node1, err := createTestNode() - require.NoError(t, err, "unable to create test node") - node2, err := createTestNode() - require.NoError(t, err, "unable to create test node") - - edge1 := &models.ChannelEdgeInfo{ - ChannelID: chanID1, - NodeKey1Bytes: node1.PubKeyBytes, - NodeKey2Bytes: node2.PubKeyBytes, - BitcoinKey1Bytes: node1.PubKeyBytes, - BitcoinKey2Bytes: node2.PubKeyBytes, - AuthProof: &models.ChannelAuthProof{ - NodeSig1Bytes: testSig.Serialize(), - NodeSig2Bytes: testSig.Serialize(), - BitcoinSig1Bytes: testSig.Serialize(), - BitcoinSig2Bytes: testSig.Serialize(), - }, - } - copy(edge1.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) - copy(edge1.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - - if err := ctx.router.AddEdge(edge1); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - edge2 := &models.ChannelEdgeInfo{ - ChannelID: chanID2, - NodeKey1Bytes: node1.PubKeyBytes, - NodeKey2Bytes: node2.PubKeyBytes, - BitcoinKey1Bytes: node1.PubKeyBytes, - BitcoinKey2Bytes: node2.PubKeyBytes, - AuthProof: &models.ChannelAuthProof{ - NodeSig1Bytes: testSig.Serialize(), - NodeSig2Bytes: testSig.Serialize(), - BitcoinSig1Bytes: testSig.Serialize(), - BitcoinSig2Bytes: testSig.Serialize(), - }, - } - copy(edge2.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) - copy(edge2.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - - if err := ctx.router.AddEdge(edge2); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - // Check that the fundingTxs are in the graph db. - _, _, has, isZombie, err := ctx.graph.HasChannelEdge(chanID1) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID1) - } - if !has { - t.Fatalf("could not find edge in graph") - } - if isZombie { - t.Fatal("edge was marked as zombie") - } - - _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID2) - } - if !has { - t.Fatalf("could not find edge in graph") - } - if isZombie { - t.Fatal("edge was marked as zombie") - } - - // Create a 15 block fork. We first let the chainView notify the router - // about stale blocks, before sending the now connected blocks. We do - // this because we expect this order from the chainview. - ctx.chainView.notifyStaleBlockAck = make(chan struct{}, 1) - for i := len(minorityChain) - 1; i >= 0; i-- { - block := minorityChain[i] - height := uint32(forkHeight) + uint32(i) + 1 - ctx.chainView.notifyStaleBlock(block.BlockHash(), height, - block.Transactions, t) - <-ctx.chainView.notifyStaleBlockAck - } - - time.Sleep(time.Second * 2) - - ctx.chainView.notifyBlockAck = make(chan struct{}, 1) - for i := uint32(1); i <= 15; i++ { - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - height := uint32(forkHeight) + i - ctx.chain.addBlock(block, height, rand.Uint32()) - ctx.chain.setBestBlock(int32(height)) - ctx.chainView.notifyBlock(block.BlockHash(), height, - block.Transactions, t) - <-ctx.chainView.notifyBlockAck - } - - time.Sleep(time.Millisecond * 500) - - // chanID2 should not be in the database anymore, since it is not - // confirmed on the longest chain. chanID1 should still be. - _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID1) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID1) - } - if !has { - t.Fatalf("did not find edge in graph") - } - if isZombie { - t.Fatal("edge was marked as zombie") - } - - _, _, has, isZombie, err = ctx.graph.HasChannelEdge(chanID2) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID2) - } - if has { - t.Fatalf("found edge in graph") - } - if isZombie { - t.Fatal("reorged edge should not be marked as zombie") - } -} - -// TestChansClosedOfflinePruneGraph tests that if channels we know of are -// closed while we're offline, then once we resume operation of the -// ChannelRouter, then the channels are properly pruned. -func TestRouterChansClosedOfflinePruneGraph(t *testing.T) { - t.Parallel() - - const startingBlockHeight = 101 - ctx := createTestCtxSingleNode(t, startingBlockHeight) - - const chanValue = 10000 - - // First, we'll create a channel, to be mined shortly at height 102. - block102 := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - nextHeight := startingBlockHeight + 1 - fundingTx1, chanUTXO, chanID1, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - chanValue, uint32(nextHeight)) - require.NoError(t, err, "unable create channel edge") - block102.Transactions = append(block102.Transactions, fundingTx1) - ctx.chain.addBlock(block102, uint32(nextHeight), rand.Uint32()) - ctx.chain.setBestBlock(int32(nextHeight)) - ctx.chainView.notifyBlock(block102.BlockHash(), uint32(nextHeight), - []*wire.MsgTx{}, t) - - // We'll now create the edges and nodes within the database required - // for the ChannelRouter to properly recognize the channel we added - // above. - node1, err := createTestNode() - require.NoError(t, err, "unable to create test node") - node2, err := createTestNode() - require.NoError(t, err, "unable to create test node") - edge1 := &models.ChannelEdgeInfo{ - ChannelID: chanID1.ToUint64(), - NodeKey1Bytes: node1.PubKeyBytes, - NodeKey2Bytes: node2.PubKeyBytes, - AuthProof: &models.ChannelAuthProof{ - NodeSig1Bytes: testSig.Serialize(), - NodeSig2Bytes: testSig.Serialize(), - BitcoinSig1Bytes: testSig.Serialize(), - BitcoinSig2Bytes: testSig.Serialize(), - }, - } - copy(edge1.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) - copy(edge1.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) - if err := ctx.router.AddEdge(edge1); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - // The router should now be aware of the channel we created above. - _, _, hasChan, isZombie, err := ctx.graph.HasChannelEdge(chanID1.ToUint64()) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID1) - } - if !hasChan { - t.Fatalf("could not find edge in graph") - } - if isZombie { - t.Fatal("edge was marked as zombie") - } - - // With the transaction included, and the router's database state - // updated, we'll now mine 5 additional blocks on top of it. - for i := 0; i < 5; i++ { - nextHeight++ - - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - ctx.chain.addBlock(block, uint32(nextHeight), rand.Uint32()) - ctx.chain.setBestBlock(int32(nextHeight)) - ctx.chainView.notifyBlock(block.BlockHash(), uint32(nextHeight), - []*wire.MsgTx{}, t) - } - - // At this point, our starting height should be 107. - _, chainHeight, err := ctx.chain.GetBestBlock() - require.NoError(t, err, "unable to get best block") - if chainHeight != 107 { - t.Fatalf("incorrect chain height: expected %v, got %v", - 107, chainHeight) - } - - // Next, we'll "shut down" the router in order to simulate downtime. - if err := ctx.router.Stop(); err != nil { - t.Fatalf("unable to shutdown router: %v", err) - } - - // While the router is "offline" we'll mine 5 additional blocks, with - // the second block closing the channel we created above. - for i := 0; i < 5; i++ { - nextHeight++ - - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - - if i == 2 { - // For the second block, we'll add a transaction that - // closes the channel we created above by spending the - // output. - closingTx := wire.NewMsgTx(2) - closingTx.AddTxIn(&wire.TxIn{ - PreviousOutPoint: *chanUTXO, - }) - block.Transactions = append(block.Transactions, - closingTx) - } - - ctx.chain.addBlock(block, uint32(nextHeight), rand.Uint32()) - ctx.chain.setBestBlock(int32(nextHeight)) - ctx.chainView.notifyBlock(block.BlockHash(), uint32(nextHeight), - []*wire.MsgTx{}, t) - } - - // At this point, our starting height should be 112. - _, chainHeight, err = ctx.chain.GetBestBlock() - require.NoError(t, err, "unable to get best block") - if chainHeight != 112 { - t.Fatalf("incorrect chain height: expected %v, got %v", - 112, chainHeight) - } - - // Now we'll re-start the ChannelRouter. It should recognize that it's - // behind the main chain and prune all the blocks that it missed while - // it was down. - ctx.RestartRouter(t) - - // At this point, the channel that was pruned should no longer be known - // by the router. - _, _, hasChan, isZombie, err = ctx.graph.HasChannelEdge(chanID1.ToUint64()) - if err != nil { - t.Fatalf("error looking for edge: %v", chanID1) - } - if hasChan { - t.Fatalf("channel was found in graph but shouldn't have been") - } - if isZombie { - t.Fatal("closed channel should not be marked as zombie") - } -} - -// TestPruneChannelGraphStaleEdges ensures that we properly prune stale edges -// from the channel graph. -func TestPruneChannelGraphStaleEdges(t *testing.T) { - t.Parallel() - - freshTimestamp := time.Now() - staleTimestamp := time.Unix(0, 0) - - // We'll create the following test graph so that two of the channels - // are pruned. - testChannels := []*testChannel{ - // No edges. - { - Node1: &testChannelEnd{Alias: "a"}, - Node2: &testChannelEnd{Alias: "b"}, - Capacity: 100000, - ChannelID: 1, - }, - - // Only one edge with a stale timestamp. - { - Node1: &testChannelEnd{ - Alias: "d", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: staleTimestamp, - }, - }, - Node2: &testChannelEnd{Alias: "b"}, - Capacity: 100000, - ChannelID: 2, - }, - - // Only one edge with a stale timestamp, but it's the source - // node so it won't get pruned. - { - Node1: &testChannelEnd{ - Alias: "a", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: staleTimestamp, - }, - }, - Node2: &testChannelEnd{Alias: "b"}, - Capacity: 100000, - ChannelID: 3, - }, - - // Only one edge with a fresh timestamp. - { - Node1: &testChannelEnd{ - Alias: "a", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: freshTimestamp, - }, - }, - Node2: &testChannelEnd{Alias: "b"}, - Capacity: 100000, - ChannelID: 4, - }, - - // One edge fresh, one edge stale. This will be pruned with - // strict pruning activated. - { - Node1: &testChannelEnd{ - Alias: "c", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: freshTimestamp, - }, - }, - Node2: &testChannelEnd{ - Alias: "d", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: staleTimestamp, - }, - }, - Capacity: 100000, - ChannelID: 5, - }, - - // Both edges fresh. - symmetricTestChannel("g", "h", 100000, &testChannelPolicy{ - LastUpdate: freshTimestamp, - }, 6), - - // Both edges stale, only one pruned. This should be pruned for - // both normal and strict pruning. - symmetricTestChannel("e", "f", 100000, &testChannelPolicy{ - LastUpdate: staleTimestamp, - }, 7), - } - - for _, strictPruning := range []bool{true, false} { - // We'll create our test graph and router backed with these test - // channels we've created. - testGraph, err := createTestGraphFromChannels( - t, true, testChannels, "a", - ) - if err != nil { - t.Fatalf("unable to create test graph: %v", err) - } - - const startingHeight = 100 - ctx := createTestCtxFromGraphInstance( - t, startingHeight, testGraph, strictPruning, - ) - - // All of the channels should exist before pruning them. - assertChannelsPruned(t, ctx.graph, testChannels) - - // Proceed to prune the channels - only the last one should be pruned. - if err := ctx.router.pruneZombieChans(); err != nil { - t.Fatalf("unable to prune zombie channels: %v", err) - } - - // We expect channels that have either both edges stale, or one edge - // stale with both known. - var prunedChannels []uint64 - if strictPruning { - prunedChannels = []uint64{2, 5, 7} - } else { - prunedChannels = []uint64{2, 7} - } - assertChannelsPruned(t, ctx.graph, testChannels, prunedChannels...) - } -} - -// TestPruneChannelGraphDoubleDisabled test that we can properly prune channels -// with both edges disabled from our channel graph. -func TestPruneChannelGraphDoubleDisabled(t *testing.T) { - t.Parallel() - - t.Run("no_assumechannelvalid", func(t *testing.T) { - testPruneChannelGraphDoubleDisabled(t, false) - }) - t.Run("assumechannelvalid", func(t *testing.T) { - testPruneChannelGraphDoubleDisabled(t, true) - }) -} - -func testPruneChannelGraphDoubleDisabled(t *testing.T, assumeValid bool) { - // We'll create the following test graph so that only the last channel - // is pruned. We'll use a fresh timestamp to ensure they're not pruned - // according to that heuristic. - timestamp := time.Now() - testChannels := []*testChannel{ - // Channel from self shouldn't be pruned. - symmetricTestChannel( - "self", "a", 100000, &testChannelPolicy{ - LastUpdate: timestamp, - Disabled: true, - }, 99, - ), - - // No edges. - { - Node1: &testChannelEnd{Alias: "a"}, - Node2: &testChannelEnd{Alias: "b"}, - Capacity: 100000, - ChannelID: 1, - }, - - // Only one edge disabled. - { - Node1: &testChannelEnd{ - Alias: "a", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: timestamp, - Disabled: true, - }, - }, - Node2: &testChannelEnd{Alias: "b"}, - Capacity: 100000, - ChannelID: 2, - }, - - // Only one edge enabled. - { - Node1: &testChannelEnd{ - Alias: "a", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: timestamp, - Disabled: false, - }, - }, - Node2: &testChannelEnd{Alias: "b"}, - Capacity: 100000, - ChannelID: 3, - }, - - // One edge disabled, one edge enabled. - { - Node1: &testChannelEnd{ - Alias: "a", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: timestamp, - Disabled: true, - }, - }, - Node2: &testChannelEnd{ - Alias: "b", - testChannelPolicy: &testChannelPolicy{ - LastUpdate: timestamp, - Disabled: false, - }, - }, - Capacity: 100000, - ChannelID: 1, - }, - - // Both edges enabled. - symmetricTestChannel("c", "d", 100000, &testChannelPolicy{ - LastUpdate: timestamp, - Disabled: false, - }, 2), - - // Both edges disabled, only one pruned. - symmetricTestChannel("e", "f", 100000, &testChannelPolicy{ - LastUpdate: timestamp, - Disabled: true, - }, 3), - } - - // We'll create our test graph and router backed with these test - // channels we've created. - testGraph, err := createTestGraphFromChannels( - t, true, testChannels, "self", - ) - require.NoError(t, err, "unable to create test graph") - - const startingHeight = 100 - ctx := createTestCtxFromGraphInstanceAssumeValid( - t, startingHeight, testGraph, assumeValid, false, - ) - - // All the channels should exist within the graph before pruning them - // when not using AssumeChannelValid, otherwise we should have pruned - // the last channel on startup. - if !assumeValid { - assertChannelsPruned(t, ctx.graph, testChannels) - } else { - // Sleep to allow the pruning to finish. - time.Sleep(200 * time.Millisecond) - - prunedChannel := testChannels[len(testChannels)-1].ChannelID - assertChannelsPruned(t, ctx.graph, testChannels, prunedChannel) - } - - if err := ctx.router.pruneZombieChans(); err != nil { - t.Fatalf("unable to prune zombie channels: %v", err) - } - - // If we attempted to prune them without AssumeChannelValid being set, - // none should be pruned. Otherwise the last channel should still be - // pruned. - if !assumeValid { - assertChannelsPruned(t, ctx.graph, testChannels) - } else { - prunedChannel := testChannels[len(testChannels)-1].ChannelID - assertChannelsPruned(t, ctx.graph, testChannels, prunedChannel) - } -} - -// TestFindPathFeeWeighting tests that the findPath method will properly prefer -// routes with lower fees over routes with lower time lock values. This is -// meant to exercise the fact that the internal findPath method ranks edges -// with the square of the total fee in order bias towards lower fees. -func TestFindPathFeeWeighting(t *testing.T) { - t.Parallel() - - const startingBlockHeight = 101 - ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) - - var preImage [32]byte - copy(preImage[:], bytes.Repeat([]byte{9}, 32)) - - sourceNode, err := ctx.graph.SourceNode() - require.NoError(t, err, "unable to fetch source node") - - amt := lnwire.MilliSatoshi(100) - - target := ctx.aliases["luoji"] - - // We'll now attempt a path finding attempt using this set up. Due to - // the edge weighting, we should select the direct path over the 2 hop - // path even though the direct path has a higher potential time lock. - path, err := dbFindPath( - ctx.graph, nil, &mockBandwidthHints{}, - noRestrictions, - testPathFindingConfig, - sourceNode.PubKeyBytes, target, amt, 0, 0, - ) - require.NoError(t, err, "unable to find path") - - // The route that was chosen should be exactly one hop, and should be - // directly to luoji. - if len(path) != 1 { - t.Fatalf("expected path length of 1, instead was: %v", len(path)) - } - if path[0].policy.ToNodePubKey() != ctx.aliases["luoji"] { - t.Fatalf("wrong node: %v", path[0].policy.ToNodePubKey()) - } -} - -// TestIsStaleNode tests that the IsStaleNode method properly detects stale -// node announcements. -func TestIsStaleNode(t *testing.T) { - t.Parallel() - - const startingBlockHeight = 101 - ctx := createTestCtxSingleNode(t, startingBlockHeight) - - // Before we can insert a node in to the database, we need to create a - // channel that it's linked to. - var ( - pub1 [33]byte - pub2 [33]byte - ) - copy(pub1[:], priv1.PubKey().SerializeCompressed()) - copy(pub2[:], priv2.PubKey().SerializeCompressed()) - - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - 10000, 500) - require.NoError(t, err, "unable to create channel edge") - fundingBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) - - edge := &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - NodeKey1Bytes: pub1, - NodeKey2Bytes: pub2, - BitcoinKey1Bytes: pub1, - BitcoinKey2Bytes: pub2, - AuthProof: nil, - } - if err := ctx.router.AddEdge(edge); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - // Before we add the node, if we query for staleness, we should get - // false, as we haven't added the full node. - updateTimeStamp := time.Unix(123, 0) - if ctx.router.IsStaleNode(pub1, updateTimeStamp) { - t.Fatalf("incorrectly detected node as stale") - } - - // With the node stub in the database, we'll add the fully node - // announcement to the database. - n1 := &channeldb.LightningNode{ - HaveNodeAnnouncement: true, - LastUpdate: updateTimeStamp, - Addresses: testAddrs, - Color: color.RGBA{1, 2, 3, 0}, - Alias: "node11", - AuthSigBytes: testSig.Serialize(), - Features: testFeatures, - } - copy(n1.PubKeyBytes[:], priv1.PubKey().SerializeCompressed()) - if err := ctx.router.AddNode(n1); err != nil { - t.Fatalf("could not add node: %v", err) - } - - // If we use the same timestamp and query for staleness, we should get - // true. - if !ctx.router.IsStaleNode(pub1, updateTimeStamp) { - t.Fatalf("failure to detect stale node update") - } - - // If we update the timestamp and once again query for staleness, it - // should report false. - newTimeStamp := time.Unix(1234, 0) - if ctx.router.IsStaleNode(pub1, newTimeStamp) { - t.Fatalf("incorrectly detected node as stale") - } -} - -// TestIsKnownEdge tests that the IsKnownEdge method properly detects stale -// channel announcements. -func TestIsKnownEdge(t *testing.T) { - t.Parallel() - - const startingBlockHeight = 101 - ctx := createTestCtxSingleNode(t, startingBlockHeight) - - // First, we'll create a new channel edge (just the info) and insert it - // into the database. - var ( - pub1 [33]byte - pub2 [33]byte - ) - copy(pub1[:], priv1.PubKey().SerializeCompressed()) - copy(pub2[:], priv2.PubKey().SerializeCompressed()) - - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - 10000, 500) - require.NoError(t, err, "unable to create channel edge") - fundingBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) - - edge := &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - NodeKey1Bytes: pub1, - NodeKey2Bytes: pub2, - BitcoinKey1Bytes: pub1, - BitcoinKey2Bytes: pub2, - AuthProof: nil, - } - if err := ctx.router.AddEdge(edge); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - // Now that the edge has been inserted, query is the router already - // knows of the edge should return true. - if !ctx.router.IsKnownEdge(*chanID) { - t.Fatalf("router should detect edge as known") - } -} - -// TestIsStaleEdgePolicy tests that the IsStaleEdgePolicy properly detects -// stale channel edge update announcements. -func TestIsStaleEdgePolicy(t *testing.T) { - t.Parallel() - - const startingBlockHeight = 101 - ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) - - // First, we'll create a new channel edge (just the info) and insert it - // into the database. - var ( - pub1 [33]byte - pub2 [33]byte - ) - copy(pub1[:], priv1.PubKey().SerializeCompressed()) - copy(pub2[:], priv2.PubKey().SerializeCompressed()) - - fundingTx, _, chanID, err := createChannelEdge(ctx, - bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), - 10000, 500) - require.NoError(t, err, "unable to create channel edge") - fundingBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) - - // If we query for staleness before adding the edge, we should get - // false. - updateTimeStamp := time.Unix(123, 0) - if ctx.router.IsStaleEdgePolicy(*chanID, updateTimeStamp, 0) { - t.Fatalf("router failed to detect fresh edge policy") - } - if ctx.router.IsStaleEdgePolicy(*chanID, updateTimeStamp, 1) { - t.Fatalf("router failed to detect fresh edge policy") - } - - edge := &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - NodeKey1Bytes: pub1, - NodeKey2Bytes: pub2, - BitcoinKey1Bytes: pub1, - BitcoinKey2Bytes: pub2, - AuthProof: nil, - } - if err := ctx.router.AddEdge(edge); err != nil { - t.Fatalf("unable to add edge: %v", err) - } - - // We'll also add two edge policies, one for each direction. - edgePolicy := &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - ChannelID: edge.ChannelID, - LastUpdate: updateTimeStamp, - TimeLockDelta: 10, - MinHTLC: 1, - FeeBaseMSat: 10, - FeeProportionalMillionths: 10000, - } - edgePolicy.ChannelFlags = 0 - if err := ctx.router.UpdateEdge(edgePolicy); err != nil { - t.Fatalf("unable to update edge policy: %v", err) - } - - edgePolicy = &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - ChannelID: edge.ChannelID, - LastUpdate: updateTimeStamp, - TimeLockDelta: 10, - MinHTLC: 1, - FeeBaseMSat: 10, - FeeProportionalMillionths: 10000, - } - edgePolicy.ChannelFlags = 1 - if err := ctx.router.UpdateEdge(edgePolicy); err != nil { - t.Fatalf("unable to update edge policy: %v", err) - } - - // Now that the edges have been added, an identical (chanID, flag, - // timestamp) tuple for each edge should be detected as a stale edge. - if !ctx.router.IsStaleEdgePolicy(*chanID, updateTimeStamp, 0) { - t.Fatalf("router failed to detect stale edge policy") - } - if !ctx.router.IsStaleEdgePolicy(*chanID, updateTimeStamp, 1) { - t.Fatalf("router failed to detect stale edge policy") - } - - // If we now update the timestamp for both edges, the router should - // detect that this tuple represents a fresh edge. - updateTimeStamp = time.Unix(9999, 0) - if ctx.router.IsStaleEdgePolicy(*chanID, updateTimeStamp, 0) { - t.Fatalf("router failed to detect fresh edge policy") - } - if ctx.router.IsStaleEdgePolicy(*chanID, updateTimeStamp, 1) { - t.Fatalf("router failed to detect fresh edge policy") - } -} - -// TestEmptyRoutesGenerateSphinxPacket tests that the generateSphinxPacket -// function is able to gracefully handle being passed a nil set of hops for the -// route by the caller. -func TestEmptyRoutesGenerateSphinxPacket(t *testing.T) { - t.Parallel() - - sessionKey, _ := btcec.NewPrivateKey() - emptyRoute := &route.Route{} - _, _, err := generateSphinxPacket(emptyRoute, testHash[:], sessionKey) - if err != route.ErrNoRouteHopsProvided { - t.Fatalf("expected empty hops error: instead got: %v", err) - } -} - -// TestUnknownErrorSource tests that if the source of an error is unknown, all -// edges along the route will be pruned. -func TestUnknownErrorSource(t *testing.T) { - t.Parallel() - - // Setup a network. It contains two paths to c: a->b->c and an - // alternative a->d->c. - chanCapSat := btcutil.Amount(100000) - testChannels := []*testChannel{ - symmetricTestChannel("a", "b", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 1), - symmetricTestChannel("b", "c", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 3), - symmetricTestChannel("a", "d", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - FeeBaseMsat: 100000, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 2), - symmetricTestChannel("d", "c", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - FeeBaseMsat: 100000, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 4), - } - - testGraph, err := createTestGraphFromChannels(t, true, testChannels, "a") - require.NoError(t, err, "unable to create graph") - - const startingBlockHeight = 101 - ctx := createTestCtxFromGraphInstance( - t, startingBlockHeight, testGraph, false, - ) - - // Create a payment to node c. - payment := createDummyLightningPayment( - t, ctx.aliases["c"], lnwire.NewMSatFromSatoshis(1000), - ) - - // We'll modify the SendToSwitch method so that it simulates hop b as a - // node that returns an unparsable failure if approached via the a->b - // channel. - ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( - func(firstHop lnwire.ShortChannelID) ([32]byte, error) { - - // If channel a->b is used, return an error without - // source and message. The sender won't know the origin - // of the error. - if firstHop.ToUint64() == 1 { - return [32]byte{}, - htlcswitch.ErrUnreadableFailureMessage - } - - // Otherwise the payment succeeds. - return lntypes.Preimage{}, nil - }) - - // Send off the payment request to the router. The expectation is that - // the route a->b->c is tried first. An unreadable faiure is returned - // which should pruning the channel a->b. We expect the payment to - // succeed via a->d. - _, _, err = ctx.router.SendPayment(payment) - require.NoErrorf(t, err, "unable to send payment: %v", - payment.paymentHash) - - // Next we modify payment result to return an unknown failure. - ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( - func(firstHop lnwire.ShortChannelID) ([32]byte, error) { - - // If channel a->b is used, simulate that the failure - // couldn't be decoded (FailureMessage is nil). - if firstHop.ToUint64() == 2 { - return [32]byte{}, - htlcswitch.NewUnknownForwardingError(1) - } - - // Otherwise the payment succeeds. - return lntypes.Preimage{}, nil - }) - - // Send off the payment request to the router. We expect the payment to - // fail because both routes have been pruned. - payment.paymentHash[1] ^= 1 - _, _, err = ctx.router.SendPayment(payment) - if err == nil { - t.Fatalf("expected payment to fail") - } -} - -// assertChannelsPruned ensures that only the given channels are pruned from the -// graph out of the set of all channels. -func assertChannelsPruned(t *testing.T, graph *channeldb.ChannelGraph, - channels []*testChannel, prunedChanIDs ...uint64) { - - t.Helper() - - pruned := make(map[uint64]struct{}, len(channels)) - for _, chanID := range prunedChanIDs { - pruned[chanID] = struct{}{} - } - - for _, channel := range channels { - _, shouldPrune := pruned[channel.ChannelID] - _, _, exists, isZombie, err := graph.HasChannelEdge( - channel.ChannelID, - ) - if err != nil { - t.Fatalf("unable to determine existence of "+ - "channel=%v in the graph: %v", - channel.ChannelID, err) - } - if !shouldPrune && !exists { - t.Fatalf("expected channel=%v to exist within "+ - "the graph", channel.ChannelID) - } - if shouldPrune && exists { - t.Fatalf("expected channel=%v to not exist "+ - "within the graph", channel.ChannelID) - } - if !shouldPrune && isZombie { - t.Fatalf("expected channel=%v to not be marked "+ - "as zombie", channel.ChannelID) - } - if shouldPrune && !isZombie { - t.Fatalf("expected channel=%v to be marked as "+ - "zombie", channel.ChannelID) - } - } -} - -// TestSendToRouteStructuredError asserts that SendToRoute returns a structured -// error. -func TestSendToRouteStructuredError(t *testing.T) { - t.Parallel() - - // Setup a three node network. - chanCapSat := btcutil.Amount(100000) - testChannels := []*testChannel{ - symmetricTestChannel("a", "b", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 1), - symmetricTestChannel("b", "c", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 2), - } - - testGraph, err := createTestGraphFromChannels(t, true, testChannels, "a") - require.NoError(t, err, "unable to create graph") - - const startingBlockHeight = 101 - ctx := createTestCtxFromGraphInstance( - t, startingBlockHeight, testGraph, false, - ) + const startingBlockHeight = 101 + ctx := createTestCtxFromGraphInstance(t, startingBlockHeight, testGraph) // Set up an init channel for the control tower, such that we can make // sure the payment is initiated correctly. @@ -2985,9 +1470,7 @@ func TestSendToRouteMaxHops(t *testing.T) { const startingBlockHeight = 101 - ctx := createTestCtxFromGraphInstance( - t, startingBlockHeight, testGraph, false, - ) + ctx := createTestCtxFromGraphInstance(t, startingBlockHeight, testGraph) // Create a 30 hop route that exceeds the maximum hop limit. const payAmt = lnwire.MilliSatoshi(10000) @@ -3090,9 +1573,7 @@ func TestBuildRoute(t *testing.T) { const startingBlockHeight = 101 - ctx := createTestCtxFromGraphInstance( - t, startingBlockHeight, testGraph, false, - ) + ctx := createTestCtxFromGraphInstance(t, startingBlockHeight, testGraph) checkHops := func(rt *route.Route, expected []uint64, payAddr [32]byte) { @@ -3222,263 +1703,329 @@ func TestGetPathEdges(t *testing.T) { continue } - require.NoError(t, err) - require.Equal(t, pathEdges, tc.expectedEdges) - require.Equal(t, amt, tc.expectedAmt) - } -} + require.NoError(t, err) + require.Equal(t, pathEdges, tc.expectedEdges) + require.Equal(t, amt, tc.expectedAmt) + } +} + +// TestSendToRouteSkipTempErrSuccess validates a successful payment send. +func TestSendToRouteSkipTempErrSuccess(t *testing.T) { + t.Parallel() + + var ( + payHash lntypes.Hash + payAmt = lnwire.MilliSatoshi(10000) + ) + + preimage := lntypes.Preimage{1} + testAttempt := makeSettledAttempt(t, int(payAmt), preimage) + + node, err := createTestNode() + require.NoError(t, err) + + // Create a simple 1-hop route. + hops := []*route.Hop{ + { + ChannelID: 1, + PubKeyBytes: node.PubKeyBytes, + AmtToForward: payAmt, + OutgoingTimeLock: 120, + MPP: record.NewMPP(payAmt, [32]byte{}), + }, + } + rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) + require.NoError(t, err) + + // Create mockers. + controlTower := &mockControlTower{} + payer := &mockPaymentAttemptDispatcher{} + missionControl := &mockMissionControl{} + + // Create the router. + router := &ChannelRouter{cfg: &Config{ + Control: controlTower, + Payer: payer, + MissionControl: missionControl, + Clock: clock.NewTestClock(time.Unix(1, 0)), + NextPaymentID: func() (uint64, error) { + return 0, nil + }, + }} + + // Register mockers with the expected method calls. + controlTower.On("InitPayment", payHash, mock.Anything).Return(nil) + controlTower.On("RegisterAttempt", payHash, mock.Anything).Return(nil) + controlTower.On("SettleAttempt", + payHash, mock.Anything, mock.Anything, + ).Return(testAttempt, nil) + + payer.On("SendHTLC", + mock.Anything, mock.Anything, mock.Anything, + ).Return(nil) -// edgeCreationModifier is an enum-like type used to modify steps that are -// skipped when creating a channel in the test context. -type edgeCreationModifier uint8 + // Create a buffered chan and it will be returned by GetAttemptResult. + resultChan := make(chan *htlcswitch.PaymentResult, 1) + payer.On("GetAttemptResult", + mock.Anything, mock.Anything, mock.Anything, + ).Return(resultChan, nil).Run(func(_ mock.Arguments) { + // Send a successful payment result. + resultChan <- &htlcswitch.PaymentResult{} + }) -const ( - // edgeCreationNoFundingTx is used to skip adding the funding - // transaction of an edge to the chain. - edgeCreationNoFundingTx edgeCreationModifier = iota + missionControl.On("ReportPaymentSuccess", + mock.Anything, rt, + ).Return(nil) - // edgeCreationNoUTXO is used to skip adding the UTXO of a channel to - // the UTXO set. - edgeCreationNoUTXO + // Mock the control tower to return the mocked payment. + payment := &mockMPPayment{} + controlTower.On("FetchPayment", payHash).Return(payment, nil).Once() - // edgeCreationBadScript is used to create the edge, but use the wrong - // scrip which should cause it to fail output validation. - edgeCreationBadScript -) + // Mock the payment to return nil failure reason. + payment.On("TerminalInfo").Return(nil, nil) -// newChannelEdgeInfo is a helper function used to create a new channel edge, -// possibly skipping adding it to parts of the chain/state as well. -func newChannelEdgeInfo(ctx *testCtx, fundingHeight uint32, - ecm edgeCreationModifier) (*models.ChannelEdgeInfo, error) { + // Expect a successful send to route. + attempt, err := router.SendToRouteSkipTempErr(payHash, rt) + require.NoError(t, err) + require.Equal(t, testAttempt, attempt) - node1, err := createTestNode() - if err != nil { - return nil, err - } - node2, err := createTestNode() - if err != nil { - return nil, err - } + // Assert the above methods are called as expected. + controlTower.AssertExpectations(t) + payer.AssertExpectations(t) + missionControl.AssertExpectations(t) + payment.AssertExpectations(t) +} + +// TestSendToRouteSkipTempErrNonMPP checks that an error is return when +// skipping temp error for non-MPP. +func TestSendToRouteSkipTempErrNonMPP(t *testing.T) { + t.Parallel() - fundingTx, _, chanID, err := createChannelEdge( - ctx, bitcoinKey1.SerializeCompressed(), - bitcoinKey2.SerializeCompressed(), 100, fundingHeight, + var ( + payHash lntypes.Hash + payAmt = lnwire.MilliSatoshi(10000) ) - if err != nil { - return nil, fmt.Errorf("unable to create edge: %w", err) - } - edge := &models.ChannelEdgeInfo{ - ChannelID: chanID.ToUint64(), - NodeKey1Bytes: node1.PubKeyBytes, - NodeKey2Bytes: node2.PubKeyBytes, - } - copy(edge.BitcoinKey1Bytes[:], bitcoinKey1.SerializeCompressed()) - copy(edge.BitcoinKey2Bytes[:], bitcoinKey2.SerializeCompressed()) + node, err := createTestNode() + require.NoError(t, err) - if ecm == edgeCreationNoFundingTx { - return edge, nil + // Create a simple 1-hop route without the MPP field. + hops := []*route.Hop{ + { + ChannelID: 1, + PubKeyBytes: node.PubKeyBytes, + AmtToForward: payAmt, + }, } + rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) + require.NoError(t, err) - fundingBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{fundingTx}, - } - ctx.chain.addBlock(fundingBlock, chanID.BlockHeight, chanID.BlockHeight) + // Create mockers. + controlTower := &mockControlTower{} + payer := &mockPaymentAttemptDispatcher{} + missionControl := &mockMissionControl{} - if ecm == edgeCreationNoUTXO { - ctx.chain.delUtxo(wire.OutPoint{ - Hash: fundingTx.TxHash(), - }) - } + // Create the router. + router := &ChannelRouter{cfg: &Config{ + Control: controlTower, + Payer: payer, + MissionControl: missionControl, + Clock: clock.NewTestClock(time.Unix(1, 0)), + NextPaymentID: func() (uint64, error) { + return 0, nil + }, + }} - if ecm == edgeCreationBadScript { - fundingTx.TxOut[0].PkScript[0] ^= 1 - } + // Expect an error to be returned. + attempt, err := router.SendToRouteSkipTempErr(payHash, rt) + require.ErrorIs(t, ErrSkipTempErr, err) + require.Nil(t, attempt) - return edge, nil + // Assert the above methods are not called. + controlTower.AssertExpectations(t) + payer.AssertExpectations(t) + missionControl.AssertExpectations(t) } -func assertChanChainRejection(t *testing.T, ctx *testCtx, - edge *models.ChannelEdgeInfo, failCode errorCode) { - - t.Helper() - - err := ctx.router.AddEdge(edge) - if !IsError(err, failCode) { - t.Fatalf("validation should have failed: %v", err) - } +// TestSendToRouteSkipTempErrTempFailure validates a temporary failure won't +// cause the payment to be failed. +func TestSendToRouteSkipTempErrTempFailure(t *testing.T) { + t.Parallel() - // This channel should now be present in the zombie channel index. - _, _, _, isZombie, err := ctx.graph.HasChannelEdge( - edge.ChannelID, + var ( + payHash lntypes.Hash + payAmt = lnwire.MilliSatoshi(10000) ) - require.Nil(t, err) - require.True(t, isZombie, "edge should be marked as zombie") -} - -// TestChannelOnChainRejectionZombie tests that if we fail validating a channel -// due to some sort of on-chain rejection (no funding transaction, or invalid -// UTXO), then we'll mark the channel as a zombie. -func TestChannelOnChainRejectionZombie(t *testing.T) { - t.Parallel() - ctx := createTestCtxSingleNode(t, 0) + testAttempt := makeFailedAttempt(t, int(payAmt)) + node, err := createTestNode() + require.NoError(t, err) - // To start, we'll make an edge for the channel, but we won't add the - // funding transaction to the mock blockchain, which should cause the - // validation to fail below. - edge, err := newChannelEdgeInfo(ctx, 1, edgeCreationNoFundingTx) - require.Nil(t, err) + // Create a simple 1-hop route. + hops := []*route.Hop{ + { + ChannelID: 1, + PubKeyBytes: node.PubKeyBytes, + AmtToForward: payAmt, + OutgoingTimeLock: 120, + MPP: record.NewMPP(payAmt, [32]byte{}), + }, + } + rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) + require.NoError(t, err) - // We expect this to fail as the transaction isn't present in the - // chain (nor the block). - assertChanChainRejection(t, ctx, edge, ErrNoFundingTransaction) + // Create mockers. + controlTower := &mockControlTower{} + payer := &mockPaymentAttemptDispatcher{} + missionControl := &mockMissionControl{} - // Next, we'll make another channel edge, but actually add it to the - // graph this time. - edge, err = newChannelEdgeInfo(ctx, 2, edgeCreationNoUTXO) - require.Nil(t, err) + // Create the router. + router := &ChannelRouter{cfg: &Config{ + Control: controlTower, + Payer: payer, + MissionControl: missionControl, + Clock: clock.NewTestClock(time.Unix(1, 0)), + NextPaymentID: func() (uint64, error) { + return 0, nil + }, + }} - // Instead now, we'll remove it from the set of UTXOs which should - // cause the spentness validation to fail. - assertChanChainRejection(t, ctx, edge, ErrChannelSpent) + // Create the error to be returned. + tempErr := htlcswitch.NewForwardingError( + &lnwire.FailTemporaryChannelFailure{}, 1, + ) - // If we cause the funding transaction the chain to fail validation, we - // should see similar behavior. - edge, err = newChannelEdgeInfo(ctx, 3, edgeCreationBadScript) - require.Nil(t, err) - assertChanChainRejection(t, ctx, edge, ErrInvalidFundingOutput) -} + // Register mockers with the expected method calls. + controlTower.On("InitPayment", payHash, mock.Anything).Return(nil) + controlTower.On("RegisterAttempt", payHash, mock.Anything).Return(nil) + controlTower.On("FailAttempt", + payHash, mock.Anything, mock.Anything, + ).Return(testAttempt, nil) -func createDummyTestGraph(t *testing.T) *testGraphInstance { - // Setup two simple channels such that we can mock sending along this - // route. - chanCapSat := btcutil.Amount(100000) - testChannels := []*testChannel{ - symmetricTestChannel("a", "b", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 1), - symmetricTestChannel("b", "c", chanCapSat, &testChannelPolicy{ - Expiry: 144, - FeeRate: 400, - MinHTLC: 1, - MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), - }, 2), - } + payer.On("SendHTLC", + mock.Anything, mock.Anything, mock.Anything, + ).Return(tempErr) - testGraph, err := createTestGraphFromChannels(t, true, testChannels, "a") - require.NoError(t, err, "failed to create graph") - return testGraph -} + // Mock the control tower to return the mocked payment. + payment := &mockMPPayment{} + controlTower.On("FetchPayment", payHash).Return(payment, nil).Once() -func createDummyLightningPayment(t *testing.T, - target route.Vertex, amt lnwire.MilliSatoshi) *LightningPayment { + // Mock the mission control to return a nil reason from reporting the + // attempt failure. + missionControl.On("ReportPaymentFail", + mock.Anything, rt, mock.Anything, mock.Anything, + ).Return(nil, nil) - var preImage lntypes.Preimage - _, err := rand.Read(preImage[:]) - require.NoError(t, err, "unable to generate preimage") + // Mock the payment to return nil failure reason. + payment.On("TerminalInfo").Return(nil, nil) - payHash := preImage.Hash() + // Expect a failed send to route. + attempt, err := router.SendToRouteSkipTempErr(payHash, rt) + require.Equal(t, tempErr, err) + require.Equal(t, testAttempt, attempt) - return &LightningPayment{ - Target: target, - Amount: amt, - FeeLimit: noFeeLimit, - paymentHash: &payHash, - } + // Assert the above methods are called as expected. + controlTower.AssertExpectations(t) + payer.AssertExpectations(t) + missionControl.AssertExpectations(t) + payment.AssertExpectations(t) } -// TestBlockDifferenceFix tests if when the router is behind on blocks, the -// router catches up to the best block head. -func TestBlockDifferenceFix(t *testing.T) { - t.Parallel() - - initialBlockHeight := uint32(0) - - // Starting height here is set to 0, which is behind where we want to - // be. - ctx := createTestCtxSingleNode(t, initialBlockHeight) +// TestSendToRouteSkipTempErrPermanentFailure validates a permanent failure +// will fail the payment. +func TestSendToRouteSkipTempErrPermanentFailure(t *testing.T) { + var ( + payHash lntypes.Hash + payAmt = lnwire.MilliSatoshi(10000) + ) - // Add initial block to our mini blockchain. - block := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - } - ctx.chain.addBlock(block, initialBlockHeight, rand.Uint32()) + testAttempt := makeFailedAttempt(t, int(payAmt)) + node, err := createTestNode() + require.NoError(t, err) - // Let's generate a new block of height 5, 5 above where our node is at. - newBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, + // Create a simple 1-hop route. + hops := []*route.Hop{ + { + ChannelID: 1, + PubKeyBytes: node.PubKeyBytes, + AmtToForward: payAmt, + OutgoingTimeLock: 120, + MPP: record.NewMPP(payAmt, [32]byte{}), + }, } - newBlockHeight := uint32(5) - - blockDifference := newBlockHeight - initialBlockHeight + rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) + require.NoError(t, err) - ctx.chainView.notifyBlockAck = make(chan struct{}, 1) + // Create mockers. + controlTower := &mockControlTower{} + payer := &mockPaymentAttemptDispatcher{} + missionControl := &mockMissionControl{} - ctx.chain.addBlock(newBlock, newBlockHeight, rand.Uint32()) - ctx.chain.setBestBlock(int32(newBlockHeight)) - ctx.chainView.notifyBlock(block.BlockHash(), newBlockHeight, - []*wire.MsgTx{}, t) + // Create the router. + router := &ChannelRouter{cfg: &Config{ + Control: controlTower, + Payer: payer, + MissionControl: missionControl, + Clock: clock.NewTestClock(time.Unix(1, 0)), + NextPaymentID: func() (uint64, error) { + return 0, nil + }, + }} - <-ctx.chainView.notifyBlockAck + // Create the error to be returned. + permErr := htlcswitch.NewForwardingError( + &lnwire.FailIncorrectDetails{}, 1, + ) - // At this point, the chain notifier should have noticed that we're - // behind on blocks, and will send the n missing blocks that we - // need to the client's epochs channel. Let's replicate this - // functionality. - for i := 0; i < int(blockDifference); i++ { - currBlockHeight := int32(i + 1) + // Register mockers with the expected method calls. + controlTower.On("InitPayment", payHash, mock.Anything).Return(nil) + controlTower.On("RegisterAttempt", payHash, mock.Anything).Return(nil) - nonce := rand.Uint32() + controlTower.On("FailAttempt", + payHash, mock.Anything, mock.Anything, + ).Return(testAttempt, nil) - newBlock := &wire.MsgBlock{ - Transactions: []*wire.MsgTx{}, - Header: wire.BlockHeader{Nonce: nonce}, - } - ctx.chain.addBlock(newBlock, uint32(currBlockHeight), nonce) - currHash := newBlock.Header.BlockHash() + // Expect the payment to be failed. + controlTower.On("FailPayment", payHash, mock.Anything).Return(nil) - newEpoch := &chainntnfs.BlockEpoch{ - Height: currBlockHeight, - Hash: &currHash, - } + // Mock an error to be returned from sending the htlc. + payer.On("SendHTLC", + mock.Anything, mock.Anything, mock.Anything, + ).Return(permErr) - ctx.notifier.EpochChan <- newEpoch + failureReason := channeldb.FailureReasonPaymentDetails + missionControl.On("ReportPaymentFail", + mock.Anything, rt, mock.Anything, mock.Anything, + ).Return(&failureReason, nil) - ctx.chainView.notifyBlock(currHash, - uint32(currBlockHeight), block.Transactions, t) + // Mock the control tower to return the mocked payment. + payment := &mockMPPayment{} + controlTower.On("FetchPayment", payHash).Return(payment, nil).Once() - <-ctx.chainView.notifyBlockAck - } + // Mock the payment to return a failure reason. + payment.On("TerminalInfo").Return(nil, &failureReason) - err := wait.NoError(func() error { - // Then router height should be updated to the latest block. - if atomic.LoadUint32(&ctx.router.bestHeight) != newBlockHeight { - return fmt.Errorf("height should have been updated "+ - "to %v, instead got %v", newBlockHeight, - ctx.router.bestHeight) - } + // Expect a failed send to route. + attempt, err := router.SendToRouteSkipTempErr(payHash, rt) + require.Equal(t, permErr, err) + require.Equal(t, testAttempt, attempt) - return nil - }, testTimeout) - require.NoError(t, err, "block height wasn't updated") + // Assert the above methods are called as expected. + controlTower.AssertExpectations(t) + payer.AssertExpectations(t) + missionControl.AssertExpectations(t) + payment.AssertExpectations(t) } -// TestSendToRouteSkipTempErrSuccess validates a successful payment send. -func TestSendToRouteSkipTempErrSuccess(t *testing.T) { - t.Parallel() - +// TestSendToRouteTempFailure validates a temporary failure will cause the +// payment to be failed. +func TestSendToRouteTempFailure(t *testing.T) { var ( payHash lntypes.Hash payAmt = lnwire.MilliSatoshi(10000) ) - preimage := lntypes.Preimage{1} - testAttempt := makeSettledAttempt(t, int(payAmt), preimage) - + testAttempt := makeFailedAttempt(t, int(payAmt)) node, err := createTestNode() require.NoError(t, err) @@ -3511,29 +2058,24 @@ func TestSendToRouteSkipTempErrSuccess(t *testing.T) { }, }} + // Create the error to be returned. + tempErr := htlcswitch.NewForwardingError( + &lnwire.FailTemporaryChannelFailure{}, 1, + ) + // Register mockers with the expected method calls. controlTower.On("InitPayment", payHash, mock.Anything).Return(nil) controlTower.On("RegisterAttempt", payHash, mock.Anything).Return(nil) - controlTower.On("SettleAttempt", + controlTower.On("FailAttempt", payHash, mock.Anything, mock.Anything, ).Return(testAttempt, nil) - payer.On("SendHTLC", - mock.Anything, mock.Anything, mock.Anything, - ).Return(nil) + // Expect the payment to be failed. + controlTower.On("FailPayment", payHash, mock.Anything).Return(nil) - // Create a buffered chan and it will be returned by GetAttemptResult. - resultChan := make(chan *htlcswitch.PaymentResult, 1) - payer.On("GetAttemptResult", + payer.On("SendHTLC", mock.Anything, mock.Anything, mock.Anything, - ).Return(resultChan, nil).Run(func(_ mock.Arguments) { - // Send a successful payment result. - resultChan <- &htlcswitch.PaymentResult{} - }) - - missionControl.On("ReportPaymentSuccess", - mock.Anything, rt, - ).Return(nil) + ).Return(tempErr) // Mock the control tower to return the mocked payment. payment := &mockMPPayment{} @@ -3542,9 +2084,14 @@ func TestSendToRouteSkipTempErrSuccess(t *testing.T) { // Mock the payment to return nil failure reason. payment.On("TerminalInfo").Return(nil, nil) - // Expect a successful send to route. - attempt, err := router.SendToRouteSkipTempErr(payHash, rt) - require.NoError(t, err) + // Return a nil reason to mock a temporary failure. + missionControl.On("ReportPaymentFail", + mock.Anything, rt, mock.Anything, mock.Anything, + ).Return(nil, nil) + + // Expect a failed send to route. + attempt, err := router.SendToRoute(payHash, rt) + require.Equal(t, tempErr, err) require.Equal(t, testAttempt, attempt) // Assert the above methods are called as expected. @@ -3554,459 +2101,518 @@ func TestSendToRouteSkipTempErrSuccess(t *testing.T) { payment.AssertExpectations(t) } -// TestSendToRouteSkipTempErrNonMPP checks that an error is return when -// skipping temp error for non-MPP. -func TestSendToRouteSkipTempErrNonMPP(t *testing.T) { +// TestNewRouteRequest tests creation of route requests for blinded and +// unblinded routes. +func TestNewRouteRequest(t *testing.T) { t.Parallel() + //nolint:lll + source, err := route.NewVertexFromStr("0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6") + require.NoError(t, err) + sourcePubkey, err := btcec.ParsePubKey(source[:]) + require.NoError(t, err) + + //nolint:lll + v1, err := route.NewVertexFromStr("026c43a8ac1cd8519985766e90748e1e06871dab0ff6b8af27e8c1a61640481318") + require.NoError(t, err) + pubkey1, err := btcec.ParsePubKey(v1[:]) + require.NoError(t, err) + + //nolint:lll + v2, err := route.NewVertexFromStr("03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99") + require.NoError(t, err) + pubkey2, err := btcec.ParsePubKey(v2[:]) + require.NoError(t, err) + var ( - payHash lntypes.Hash - payAmt = lnwire.MilliSatoshi(10000) + unblindedCltv uint16 = 500 + blindedCltv uint16 = 1000 ) - node, err := createTestNode() - require.NoError(t, err) + blindedSelfIntro := &BlindedPayment{ + CltvExpiryDelta: blindedCltv, + BlindedPath: &sphinx.BlindedPath{ + IntroductionPoint: sourcePubkey, + BlindedHops: []*sphinx.BlindedHopInfo{{}}, + }, + } - // Create a simple 1-hop route without the MPP field. - hops := []*route.Hop{ - { - ChannelID: 1, - PubKeyBytes: node.PubKeyBytes, - AmtToForward: payAmt, + blindedOtherIntro := &BlindedPayment{ + CltvExpiryDelta: blindedCltv, + BlindedPath: &sphinx.BlindedPath{ + IntroductionPoint: pubkey1, + BlindedHops: []*sphinx.BlindedHopInfo{ + {}, + }, }, } - rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) - require.NoError(t, err) - // Create mockers. - controlTower := &mockControlTower{} - payer := &mockPaymentAttemptDispatcher{} - missionControl := &mockMissionControl{} + blindedMultiHop := &BlindedPayment{ + CltvExpiryDelta: blindedCltv, + BlindedPath: &sphinx.BlindedPath{ + IntroductionPoint: pubkey1, + BlindedHops: []*sphinx.BlindedHopInfo{ + {}, + { + BlindedNodePub: pubkey2, + }, + }, + }, + } - // Create the router. - router := &ChannelRouter{cfg: &Config{ - Control: controlTower, - Payer: payer, - MissionControl: missionControl, - Clock: clock.NewTestClock(time.Unix(1, 0)), - NextPaymentID: func() (uint64, error) { - return 0, nil + testCases := []struct { + name string + target *route.Vertex + routeHints RouteHints + blindedPayment *BlindedPayment + finalExpiry uint16 + + expectedTarget route.Vertex + expectedCltv uint16 + err error + }{ + { + name: "blinded and target", + target: &v1, + blindedPayment: blindedOtherIntro, + err: ErrTargetAndBlinded, }, - }} + { + // For single-hop blinded we have a final cltv. + name: "blinded intro node only", + blindedPayment: blindedOtherIntro, + expectedTarget: v1, + expectedCltv: blindedCltv, + err: nil, + }, + { + // For multi-hop blinded, we have no final cltv. + name: "blinded multi-hop", + blindedPayment: blindedMultiHop, + expectedTarget: v2, + expectedCltv: 0, + err: nil, + }, + { + name: "unblinded", + target: &v2, + finalExpiry: unblindedCltv, + expectedTarget: v2, + expectedCltv: unblindedCltv, + err: nil, + }, + { + name: "source node intro", + blindedPayment: blindedSelfIntro, + err: ErrSelfIntro, + }, + { + name: "hints and blinded", + blindedPayment: blindedMultiHop, + routeHints: make( + map[route.Vertex][]AdditionalEdge, + ), + err: ErrHintsAndBlinded, + }, + { + name: "expiry and blinded", + blindedPayment: blindedMultiHop, + finalExpiry: unblindedCltv, + err: ErrExpiryAndBlinded, + }, + { + name: "invalid blinded payment", + blindedPayment: &BlindedPayment{}, + err: ErrNoBlindedPath, + }, + } - // Expect an error to be returned. - attempt, err := router.SendToRouteSkipTempErr(payHash, rt) - require.ErrorIs(t, ErrSkipTempErr, err) - require.Nil(t, attempt) + for _, testCase := range testCases { + testCase := testCase - // Assert the above methods are not called. - controlTower.AssertExpectations(t) - payer.AssertExpectations(t) - missionControl.AssertExpectations(t) + t.Run(testCase.name, func(t *testing.T) { + t.Parallel() + + req, err := NewRouteRequest( + source, testCase.target, 1000, 0, nil, nil, + testCase.routeHints, testCase.blindedPayment, + testCase.finalExpiry, + ) + require.ErrorIs(t, err, testCase.err) + + // Skip request validation if we got a non-nil error. + if err != nil { + return + } + + require.Equal(t, req.Target, testCase.expectedTarget) + require.Equal( + t, req.FinalExpiry, testCase.expectedCltv, + ) + }) + } } -// TestSendToRouteSkipTempErrTempFailure validates a temporary failure won't -// cause the payment to be failed. -func TestSendToRouteSkipTempErrTempFailure(t *testing.T) { +// TestAddEdgeUnknownVertexes tests that if an edge is added that contains two +// vertexes which we don't know of, the edge should be available for use +// regardless. This is due to the fact that we don't actually need node +// announcements for the channel vertexes to be able to use the channel. +func TestAddEdgeUnknownVertexes(t *testing.T) { t.Parallel() - var ( - payHash lntypes.Hash - payAmt = lnwire.MilliSatoshi(10000) + const startingBlockHeight = 101 + ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) + + var pub1 [33]byte + copy(pub1[:], priv1.PubKey().SerializeCompressed()) + + var pub2 [33]byte + copy(pub2[:], priv2.PubKey().SerializeCompressed()) + + // The two nodes we are about to add should not exist yet. + _, exists1, err := ctx.graph.HasLightningNode(pub1) + require.NoError(t, err, "unable to query graph") + require.False(t, exists1) + + _, exists2, err := ctx.graph.HasLightningNode(pub2) + require.NoError(t, err, "unable to query graph") + require.False(t, exists2) + + // Add the edge between the two unknown nodes to the graph, and check + // that the nodes are found after the fact. + _, _, chanID, err := createChannelEdge( + bitcoinKey1.SerializeCompressed(), + bitcoinKey2.SerializeCompressed(), + 10000, 500, ) + require.NoError(t, err, "unable to create channel edge") - testAttempt := makeFailedAttempt(t, int(payAmt)) - node, err := createTestNode() - require.NoError(t, err) + edge := &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + NodeKey1Bytes: pub1, + NodeKey2Bytes: pub2, + BitcoinKey1Bytes: pub1, + BitcoinKey2Bytes: pub2, + AuthProof: nil, + } + require.NoError(t, ctx.graph.AddChannelEdge(edge)) - // Create a simple 1-hop route. - hops := []*route.Hop{ - { - ChannelID: 1, - PubKeyBytes: node.PubKeyBytes, - AmtToForward: payAmt, - OutgoingTimeLock: 120, - MPP: record.NewMPP(payAmt, [32]byte{}), - }, + // We must add the edge policy to be able to use the edge for route + // finding. + edgePolicy := &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + ChannelID: edge.ChannelID, + LastUpdate: testTime, + TimeLockDelta: 10, + MinHTLC: 1, + FeeBaseMSat: 10, + FeeProportionalMillionths: 10000, + ToNode: edge.NodeKey2Bytes, } - rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) - require.NoError(t, err) + edgePolicy.ChannelFlags = 0 - // Create mockers. - controlTower := &mockControlTower{} - payer := &mockPaymentAttemptDispatcher{} - missionControl := &mockMissionControl{} + require.NoError(t, ctx.graph.UpdateEdgePolicy(edgePolicy)) - // Create the router. - router := &ChannelRouter{cfg: &Config{ - Control: controlTower, - Payer: payer, - MissionControl: missionControl, - Clock: clock.NewTestClock(time.Unix(1, 0)), - NextPaymentID: func() (uint64, error) { - return 0, nil - }, - }} + // Create edge in the other direction as well. + edgePolicy = &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + ChannelID: edge.ChannelID, + LastUpdate: testTime, + TimeLockDelta: 10, + MinHTLC: 1, + FeeBaseMSat: 10, + FeeProportionalMillionths: 10000, + ToNode: edge.NodeKey1Bytes, + } + edgePolicy.ChannelFlags = 1 - // Create the error to be returned. - tempErr := htlcswitch.NewForwardingError( - &lnwire.FailTemporaryChannelFailure{}, 1, - ) + require.NoError(t, ctx.graph.UpdateEdgePolicy(edgePolicy)) - // Register mockers with the expected method calls. - controlTower.On("InitPayment", payHash, mock.Anything).Return(nil) - controlTower.On("RegisterAttempt", payHash, mock.Anything).Return(nil) - controlTower.On("FailAttempt", - payHash, mock.Anything, mock.Anything, - ).Return(testAttempt, nil) + // After adding the edge between the two previously unknown nodes, they + // should have been added to the graph. + _, exists1, err = ctx.graph.HasLightningNode(pub1) + require.NoError(t, err, "unable to query graph") + require.True(t, exists1) - payer.On("SendHTLC", - mock.Anything, mock.Anything, mock.Anything, - ).Return(tempErr) + _, exists2, err = ctx.graph.HasLightningNode(pub2) + require.NoError(t, err, "unable to query graph") + require.True(t, exists2) - // Mock the control tower to return the mocked payment. - payment := &mockMPPayment{} - controlTower.On("FetchPayment", payHash).Return(payment, nil).Once() + // We will connect node1 to the rest of the test graph, and make sure + // we can find a route to node2, which will use the just added channel + // edge. - // Mock the mission control to return a nil reason from reporting the - // attempt failure. - missionControl.On("ReportPaymentFail", - mock.Anything, rt, mock.Anything, mock.Anything, - ).Return(nil, nil) + // We will connect node 1 to "sophon" + connectNode := ctx.aliases["sophon"] + connectNodeKey, err := btcec.ParsePubKey(connectNode[:]) + require.NoError(t, err) - // Mock the payment to return nil failure reason. - payment.On("TerminalInfo").Return(nil, nil) + var ( + pubKey1 *btcec.PublicKey + pubKey2 *btcec.PublicKey + ) + node1Bytes := priv1.PubKey().SerializeCompressed() + node2Bytes := connectNode + if bytes.Compare(node1Bytes[:], node2Bytes[:]) == -1 { + pubKey1 = priv1.PubKey() + pubKey2 = connectNodeKey + } else { + pubKey1 = connectNodeKey + pubKey2 = priv1.PubKey() + } - // Expect a failed send to route. - attempt, err := router.SendToRouteSkipTempErr(payHash, rt) - require.Equal(t, tempErr, err) - require.Equal(t, testAttempt, attempt) + _, _, chanID, err = createChannelEdge( + pubKey1.SerializeCompressed(), pubKey2.SerializeCompressed(), + 10000, 510) + require.NoError(t, err, "unable to create channel edge") - // Assert the above methods are called as expected. - controlTower.AssertExpectations(t) - payer.AssertExpectations(t) - missionControl.AssertExpectations(t) - payment.AssertExpectations(t) -} + edge = &models.ChannelEdgeInfo{ + ChannelID: chanID.ToUint64(), + AuthProof: nil, + } + copy(edge.NodeKey1Bytes[:], node1Bytes) + edge.NodeKey2Bytes = node2Bytes + copy(edge.BitcoinKey1Bytes[:], node1Bytes) + edge.BitcoinKey2Bytes = node2Bytes -// TestSendToRouteSkipTempErrPermanentFailure validates a permanent failure -// will fail the payment. -func TestSendToRouteSkipTempErrPermanentFailure(t *testing.T) { - var ( - payHash lntypes.Hash - payAmt = lnwire.MilliSatoshi(10000) - ) + require.NoError(t, ctx.graph.AddChannelEdge(edge)) - testAttempt := makeFailedAttempt(t, int(payAmt)) - node, err := createTestNode() - require.NoError(t, err) + edgePolicy = &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + ChannelID: edge.ChannelID, + LastUpdate: testTime, + TimeLockDelta: 10, + MinHTLC: 1, + FeeBaseMSat: 10, + FeeProportionalMillionths: 10000, + ToNode: edge.NodeKey2Bytes, + } + edgePolicy.ChannelFlags = 0 - // Create a simple 1-hop route. - hops := []*route.Hop{ - { - ChannelID: 1, - PubKeyBytes: node.PubKeyBytes, - AmtToForward: payAmt, - OutgoingTimeLock: 120, - MPP: record.NewMPP(payAmt, [32]byte{}), - }, + require.NoError(t, ctx.graph.UpdateEdgePolicy(edgePolicy)) + + edgePolicy = &models.ChannelEdgePolicy{ + SigBytes: testSig.Serialize(), + ChannelID: edge.ChannelID, + LastUpdate: testTime, + TimeLockDelta: 10, + MinHTLC: 1, + FeeBaseMSat: 10, + FeeProportionalMillionths: 10000, + ToNode: edge.NodeKey1Bytes, } - rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) - require.NoError(t, err) + edgePolicy.ChannelFlags = 1 - // Create mockers. - controlTower := &mockControlTower{} - payer := &mockPaymentAttemptDispatcher{} - missionControl := &mockMissionControl{} + require.NoError(t, ctx.graph.UpdateEdgePolicy(edgePolicy)) - // Create the router. - router := &ChannelRouter{cfg: &Config{ - Control: controlTower, - Payer: payer, - MissionControl: missionControl, - Clock: clock.NewTestClock(time.Unix(1, 0)), - NextPaymentID: func() (uint64, error) { - return 0, nil - }, - }} + // We should now be able to find a route to node 2. + paymentAmt := lnwire.NewMSatFromSatoshis(100) + targetNode := priv2.PubKey() + var targetPubKeyBytes route.Vertex + copy(targetPubKeyBytes[:], targetNode.SerializeCompressed()) - // Create the error to be returned. - permErr := htlcswitch.NewForwardingError( - &lnwire.FailIncorrectDetails{}, 1, + req, err := NewRouteRequest( + ctx.router.cfg.SelfNode, &targetPubKeyBytes, + paymentAmt, 0, noRestrictions, nil, nil, nil, MinCLTVDelta, ) + require.NoError(t, err, "invalid route request") + _, _, err = ctx.router.FindRoute(req) + require.NoError(t, err, "unable to find any routes") - // Register mockers with the expected method calls. - controlTower.On("InitPayment", payHash, mock.Anything).Return(nil) - controlTower.On("RegisterAttempt", payHash, mock.Anything).Return(nil) + // Now check that we can update the node info for the partial node + // without messing up the channel graph. + n1 := &channeldb.LightningNode{ + HaveNodeAnnouncement: true, + LastUpdate: time.Unix(123, 0), + Addresses: testAddrs, + Color: color.RGBA{1, 2, 3, 0}, + Alias: "node11", + AuthSigBytes: testSig.Serialize(), + Features: testFeatures, + } + copy(n1.PubKeyBytes[:], priv1.PubKey().SerializeCompressed()) - controlTower.On("FailAttempt", - payHash, mock.Anything, mock.Anything, - ).Return(testAttempt, nil) + require.NoError(t, ctx.graph.AddLightningNode(n1)) - // Expect the payment to be failed. - controlTower.On("FailPayment", payHash, mock.Anything).Return(nil) + n2 := &channeldb.LightningNode{ + HaveNodeAnnouncement: true, + LastUpdate: time.Unix(123, 0), + Addresses: testAddrs, + Color: color.RGBA{1, 2, 3, 0}, + Alias: "node22", + AuthSigBytes: testSig.Serialize(), + Features: testFeatures, + } + copy(n2.PubKeyBytes[:], priv2.PubKey().SerializeCompressed()) - // Mock an error to be returned from sending the htlc. - payer.On("SendHTLC", - mock.Anything, mock.Anything, mock.Anything, - ).Return(permErr) + require.NoError(t, ctx.graph.AddLightningNode(n2)) - failureReason := channeldb.FailureReasonPaymentDetails - missionControl.On("ReportPaymentFail", - mock.Anything, rt, mock.Anything, mock.Anything, - ).Return(&failureReason, nil) + // Should still be able to find the route, and the info should be + // updated. + req, err = NewRouteRequest( + ctx.router.cfg.SelfNode, &targetPubKeyBytes, + paymentAmt, 0, noRestrictions, nil, nil, nil, MinCLTVDelta, + ) + require.NoError(t, err, "invalid route request") - // Mock the control tower to return the mocked payment. - payment := &mockMPPayment{} - controlTower.On("FetchPayment", payHash).Return(payment, nil).Once() + _, _, err = ctx.router.FindRoute(req) + require.NoError(t, err, "unable to find any routes") - // Mock the payment to return a failure reason. - payment.On("TerminalInfo").Return(nil, &failureReason) + copy1, err := ctx.graph.FetchLightningNode(pub1) + require.NoError(t, err, "unable to fetch node") - // Expect a failed send to route. - attempt, err := router.SendToRouteSkipTempErr(payHash, rt) - require.Equal(t, permErr, err) - require.Equal(t, testAttempt, attempt) + require.Equal(t, n1.Alias, copy1.Alias) - // Assert the above methods are called as expected. - controlTower.AssertExpectations(t) - payer.AssertExpectations(t) - missionControl.AssertExpectations(t) - payment.AssertExpectations(t) + copy2, err := ctx.graph.FetchLightningNode(pub2) + require.NoError(t, err, "unable to fetch node") + + require.Equal(t, n2.Alias, copy2.Alias) } -// TestSendToRouteTempFailure validates a temporary failure will cause the -// payment to be failed. -func TestSendToRouteTempFailure(t *testing.T) { - var ( - payHash lntypes.Hash - payAmt = lnwire.MilliSatoshi(10000) - ) +func createDummyLightningPayment(t *testing.T, + target route.Vertex, amt lnwire.MilliSatoshi) *LightningPayment { - testAttempt := makeFailedAttempt(t, int(payAmt)) - node, err := createTestNode() - require.NoError(t, err) + var preImage lntypes.Preimage + _, err := rand.Read(preImage[:]) + require.NoError(t, err, "unable to generate preimage") - // Create a simple 1-hop route. - hops := []*route.Hop{ - { - ChannelID: 1, - PubKeyBytes: node.PubKeyBytes, - AmtToForward: payAmt, - OutgoingTimeLock: 120, - MPP: record.NewMPP(payAmt, [32]byte{}), - }, + payHash := preImage.Hash() + + return &LightningPayment{ + Target: target, + Amount: amt, + FeeLimit: noFeeLimit, + paymentHash: &payHash, } - rt, err := route.NewRouteFromHops(payAmt, 100, node.PubKeyBytes, hops) - require.NoError(t, err) +} - // Create mockers. - controlTower := &mockControlTower{} - payer := &mockPaymentAttemptDispatcher{} - missionControl := &mockMissionControl{} +type mockGraphBuilder struct { + rejectUpdate bool + updateEdge func(update *models.ChannelEdgePolicy) error +} - // Create the router. - router := &ChannelRouter{cfg: &Config{ - Control: controlTower, - Payer: payer, - MissionControl: missionControl, - Clock: clock.NewTestClock(time.Unix(1, 0)), - NextPaymentID: func() (uint64, error) { - return 0, nil +func newMockGraphBuilder(graph graph.DB) *mockGraphBuilder { + return &mockGraphBuilder{ + updateEdge: func(update *models.ChannelEdgePolicy) error { + return graph.UpdateEdgePolicy(update) }, - }} + } +} - // Create the error to be returned. - tempErr := htlcswitch.NewForwardingError( - &lnwire.FailTemporaryChannelFailure{}, 1, - ) +func (m *mockGraphBuilder) setNextReject(reject bool) { + m.rejectUpdate = reject +} - // Register mockers with the expected method calls. - controlTower.On("InitPayment", payHash, mock.Anything).Return(nil) - controlTower.On("RegisterAttempt", payHash, mock.Anything).Return(nil) - controlTower.On("FailAttempt", - payHash, mock.Anything, mock.Anything, - ).Return(testAttempt, nil) +func (m *mockGraphBuilder) ApplyChannelUpdate(msg *lnwire.ChannelUpdate) bool { + if m.rejectUpdate { + return false + } + + err := m.updateEdge(&models.ChannelEdgePolicy{ + SigBytes: msg.Signature.ToSignatureBytes(), + ChannelID: msg.ShortChannelID.ToUint64(), + LastUpdate: time.Unix(int64(msg.Timestamp), 0), + MessageFlags: msg.MessageFlags, + ChannelFlags: msg.ChannelFlags, + TimeLockDelta: msg.TimeLockDelta, + MinHTLC: msg.HtlcMinimumMsat, + MaxHTLC: msg.HtlcMaximumMsat, + FeeBaseMSat: lnwire.MilliSatoshi(msg.BaseFee), + FeeProportionalMillionths: lnwire.MilliSatoshi(msg.FeeRate), + ExtraOpaqueData: msg.ExtraOpaqueData, + }) - // Expect the payment to be failed. - controlTower.On("FailPayment", payHash, mock.Anything).Return(nil) + return err == nil +} - payer.On("SendHTLC", - mock.Anything, mock.Anything, mock.Anything, - ).Return(tempErr) +type mockChain struct { + lnwallet.BlockChainIO - // Mock the control tower to return the mocked payment. - payment := &mockMPPayment{} - controlTower.On("FetchPayment", payHash).Return(payment, nil).Once() + blocks map[chainhash.Hash]*wire.MsgBlock + blockIndex map[uint32]chainhash.Hash + blockHeightIndex map[chainhash.Hash]uint32 - // Mock the payment to return nil failure reason. - payment.On("TerminalInfo").Return(nil, nil) + utxos map[wire.OutPoint]wire.TxOut - // Return a nil reason to mock a temporary failure. - missionControl.On("ReportPaymentFail", - mock.Anything, rt, mock.Anything, mock.Anything, - ).Return(nil, nil) + bestHeight int32 - // Expect a failed send to route. - attempt, err := router.SendToRoute(payHash, rt) - require.Equal(t, tempErr, err) - require.Equal(t, testAttempt, attempt) + sync.RWMutex +} - // Assert the above methods are called as expected. - controlTower.AssertExpectations(t) - payer.AssertExpectations(t) - missionControl.AssertExpectations(t) - payment.AssertExpectations(t) +func newMockChain(currentHeight uint32) *mockChain { + return &mockChain{ + bestHeight: int32(currentHeight), + blocks: make(map[chainhash.Hash]*wire.MsgBlock), + utxos: make(map[wire.OutPoint]wire.TxOut), + blockIndex: make(map[uint32]chainhash.Hash), + blockHeightIndex: make(map[chainhash.Hash]uint32), + } } -// TestNewRouteRequest tests creation of route requests for blinded and -// unblinded routes. -func TestNewRouteRequest(t *testing.T) { - t.Parallel() +func (m *mockChain) GetBestBlock() (*chainhash.Hash, int32, error) { + m.RLock() + defer m.RUnlock() - //nolint:lll - source, err := route.NewVertexFromStr("0367cec75158a4129177bfb8b269cb586efe93d751b43800d456485e81c2620ca6") - require.NoError(t, err) - sourcePubkey, err := btcec.ParsePubKey(source[:]) - require.NoError(t, err) + blockHash := m.blockIndex[uint32(m.bestHeight)] - //nolint:lll - v1, err := route.NewVertexFromStr("026c43a8ac1cd8519985766e90748e1e06871dab0ff6b8af27e8c1a61640481318") - require.NoError(t, err) - pubkey1, err := btcec.ParsePubKey(v1[:]) - require.NoError(t, err) + return &blockHash, m.bestHeight, nil +} - //nolint:lll - v2, err := route.NewVertexFromStr("03c19f0027ffbb0ae0e14a4d958788793f9d74e107462473ec0c3891e4feb12e99") - require.NoError(t, err) - pubkey2, err := btcec.ParsePubKey(v2[:]) - require.NoError(t, err) +func (m *mockChain) setBestBlock(height int32) { + m.Lock() + defer m.Unlock() - var ( - unblindedCltv uint16 = 500 - blindedCltv uint16 = 1000 - ) + m.bestHeight = height +} - blindedSelfIntro := &BlindedPayment{ - CltvExpiryDelta: blindedCltv, - BlindedPath: &sphinx.BlindedPath{ - IntroductionPoint: sourcePubkey, - BlindedHops: []*sphinx.BlindedHopInfo{{}}, - }, - } +func (m *mockChain) addUtxo(op wire.OutPoint, out *wire.TxOut) { + m.Lock() + m.utxos[op] = *out + m.Unlock() +} - blindedOtherIntro := &BlindedPayment{ - CltvExpiryDelta: blindedCltv, - BlindedPath: &sphinx.BlindedPath{ - IntroductionPoint: pubkey1, - BlindedHops: []*sphinx.BlindedHopInfo{ - {}, - }, - }, - } +func (m *mockChain) delUtxo(op wire.OutPoint) { + m.Lock() + delete(m.utxos, op) + m.Unlock() +} - blindedMultiHop := &BlindedPayment{ - CltvExpiryDelta: blindedCltv, - BlindedPath: &sphinx.BlindedPath{ - IntroductionPoint: pubkey1, - BlindedHops: []*sphinx.BlindedHopInfo{ - {}, - { - BlindedNodePub: pubkey2, - }, - }, - }, - } +func (m *mockChain) addBlock(block *wire.MsgBlock, height uint32, nonce uint32) { + m.Lock() + block.Header.Nonce = nonce + hash := block.Header.BlockHash() + m.blocks[hash] = block + m.blockIndex[height] = hash + m.blockHeightIndex[hash] = height + m.Unlock() +} - testCases := []struct { - name string - target *route.Vertex - routeHints RouteHints - blindedPayment *BlindedPayment - finalExpiry uint16 +func createChannelEdge(bitcoinKey1, bitcoinKey2 []byte, + chanValue btcutil.Amount, fundingHeight uint32) (*wire.MsgTx, + *wire.OutPoint, *lnwire.ShortChannelID, error) { - expectedTarget route.Vertex - expectedCltv uint16 - err error - }{ - { - name: "blinded and target", - target: &v1, - blindedPayment: blindedOtherIntro, - err: ErrTargetAndBlinded, - }, - { - // For single-hop blinded we have a final cltv. - name: "blinded intro node only", - blindedPayment: blindedOtherIntro, - expectedTarget: v1, - expectedCltv: blindedCltv, - err: nil, - }, - { - // For multi-hop blinded, we have no final cltv. - name: "blinded multi-hop", - blindedPayment: blindedMultiHop, - expectedTarget: v2, - expectedCltv: 0, - err: nil, - }, - { - name: "unblinded", - target: &v2, - finalExpiry: unblindedCltv, - expectedTarget: v2, - expectedCltv: unblindedCltv, - err: nil, - }, - { - name: "source node intro", - blindedPayment: blindedSelfIntro, - err: ErrSelfIntro, - }, - { - name: "hints and blinded", - blindedPayment: blindedMultiHop, - routeHints: make( - map[route.Vertex][]AdditionalEdge, - ), - err: ErrHintsAndBlinded, - }, - { - name: "expiry and blinded", - blindedPayment: blindedMultiHop, - finalExpiry: unblindedCltv, - err: ErrExpiryAndBlinded, - }, - { - name: "invalid blinded payment", - blindedPayment: &BlindedPayment{}, - err: ErrNoBlindedPath, - }, + fundingTx := wire.NewMsgTx(2) + _, tx, err := input.GenFundingPkScript( + bitcoinKey1, + bitcoinKey2, + int64(chanValue), + ) + if err != nil { + return nil, nil, nil, err } - for _, testCase := range testCases { - testCase := testCase - - t.Run(testCase.name, func(t *testing.T) { - t.Parallel() - - req, err := NewRouteRequest( - source, testCase.target, 1000, 0, nil, nil, - testCase.routeHints, testCase.blindedPayment, - testCase.finalExpiry, - ) - require.ErrorIs(t, err, testCase.err) - - // Skip request validation if we got a non-nil error. - if err != nil { - return - } + fundingTx.TxOut = append(fundingTx.TxOut, tx) + chanUtxo := wire.OutPoint{ + Hash: fundingTx.TxHash(), + Index: 0, + } - require.Equal(t, req.Target, testCase.expectedTarget) - require.Equal( - t, req.FinalExpiry, testCase.expectedCltv, - ) - }) + // Our fake channel will be "confirmed" at height 101. + chanID := &lnwire.ShortChannelID{ + BlockHeight: fundingHeight, + TxIndex: 0, + TxPosition: 0, } + + return fundingTx, &chanUtxo, chanID, nil } diff --git a/rpcserver.go b/rpcserver.go index 011674e6c4..1ba82015e7 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -49,6 +49,7 @@ import ( "github.com/lightningnetwork/lnd/feature" "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/funding" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/input" @@ -3075,7 +3076,7 @@ func (r *rpcServer) GetInfo(_ context.Context, // date, we add the router's state to it. So the flag will only toggle // to true once the router was also able to catch up. if !r.cfg.Routing.AssumeChannelValid { - routerHeight := r.server.chanRouter.SyncedHeight() + routerHeight := r.server.graphBuilder.SyncedHeight() isSynced = isSynced && uint32(bestHeight) == routerHeight } @@ -3118,7 +3119,7 @@ func (r *rpcServer) GetInfo(_ context.Context, // TODO(roasbeef): add synced height n stuff isTestNet := chainreg.IsTestnet(&r.cfg.ActiveNetParams) - nodeColor := routing.EncodeHexColor(nodeAnn.RGBColor) + nodeColor := graph.EncodeHexColor(nodeAnn.RGBColor) version := build.Version() + " commit=" + build.Commit return &lnrpc.GetInfoResponse{ @@ -6418,7 +6419,7 @@ func marshalNode(node *channeldb.LightningNode) *lnrpc.LightningNode { PubKey: hex.EncodeToString(node.PubKeyBytes[:]), Addresses: nodeAddrs, Alias: node.Alias, - Color: routing.EncodeHexColor(node.Color), + Color: graph.EncodeHexColor(node.Color), Features: features, CustomRecords: customRecords, } @@ -6613,7 +6614,7 @@ func (r *rpcServer) SubscribeChannelGraph(req *lnrpc.GraphTopologySubscription, // First, we start by subscribing to a new intent to receive // notifications from the channel router. - client, err := r.server.chanRouter.SubscribeTopology() + client, err := r.server.graphBuilder.SubscribeTopology() if err != nil { return err } @@ -6665,7 +6666,7 @@ func (r *rpcServer) SubscribeChannelGraph(req *lnrpc.GraphTopologySubscription, // marshallTopologyChange performs a mapping from the topology change struct // returned by the router to the form of notifications expected by the current // gRPC service. -func marshallTopologyChange(topChange *routing.TopologyChange) *lnrpc.GraphTopologyUpdate { +func marshallTopologyChange(topChange *graph.TopologyChange) *lnrpc.GraphTopologyUpdate { // encodeKey is a simple helper function that converts a live public // key into a hex-encoded version of the compressed serialization for diff --git a/server.go b/server.go index 17108ee469..bf57dd418a 100644 --- a/server.go +++ b/server.go @@ -342,7 +342,7 @@ type server struct { // updatePersistentPeerAddrs subscribes to topology changes and stores // advertised addresses for any NodeAnnouncements from our persisted peers. func (s *server) updatePersistentPeerAddrs() error { - graphSub, err := s.chanRouter.SubscribeTopology() + graphSub, err := s.graphBuilder.SubscribeTopology() if err != nil { return err } @@ -976,33 +976,37 @@ func newServer(cfg *Config, listenAddrs []net.Addr, strictPruning := cfg.Bitcoin.Node == "neutrino" || cfg.Routing.StrictZombiePruning - s.graphBuilder, err = graph.NewBuilder(&graph.Config{}) - if err != nil { - return nil, fmt.Errorf("can't create graph builder: %w", err) - } - - s.chanRouter, err = routing.New(routing.Config{ + s.graphBuilder, err = graph.NewBuilder(&graph.Config{ SelfNode: selfNode.PubKeyBytes, - RoutingGraph: graphsession.NewRoutingGraph(chanGraph), Graph: chanGraph, Chain: cc.ChainIO, ChainView: cc.ChainView, Notifier: cc.ChainNotifier, - Payer: s.htlcSwitch, - Control: s.controlTower, - MissionControl: s.missionControl, - SessionSource: paymentSessionSource, - ChannelPruneExpiry: routing.DefaultChannelPruneExpiry, + ChannelPruneExpiry: graph.DefaultChannelPruneExpiry, GraphPruneInterval: time.Hour, - FirstTimePruneDelay: routing.DefaultFirstTimePruneDelay, - GetLink: s.htlcSwitch.GetLinkByShortID, + FirstTimePruneDelay: graph.DefaultFirstTimePruneDelay, AssumeChannelValid: cfg.Routing.AssumeChannelValid, - NextPaymentID: sequencer.NextID, - PathFindingConfig: pathFindingConfig, - Clock: clock.NewDefaultClock(), StrictZombiePruning: strictPruning, IsAlias: aliasmgr.IsAlias, }) + if err != nil { + return nil, fmt.Errorf("can't create graph builder: %w", err) + } + + s.chanRouter, err = routing.New(routing.Config{ + SelfNode: selfNode.PubKeyBytes, + RoutingGraph: graphsession.NewRoutingGraph(chanGraph), + Chain: cc.ChainIO, + Payer: s.htlcSwitch, + Control: s.controlTower, + MissionControl: s.missionControl, + SessionSource: paymentSessionSource, + GetLink: s.htlcSwitch.GetLinkByShortID, + NextPaymentID: sequencer.NextID, + PathFindingConfig: pathFindingConfig, + Clock: clock.NewDefaultClock(), + ApplyChannelUpdate: s.graphBuilder.ApplyChannelUpdate, + }) if err != nil { return nil, fmt.Errorf("can't create router: %w", err) } @@ -1018,7 +1022,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, } s.authGossiper = discovery.New(discovery.Config{ - Router: s.chanRouter, + Router: s.graphBuilder, Notifier: s.cc.ChainNotifier, ChainHash: *s.cfg.ActiveNetParams.GenesisHash, Broadcast: s.BroadcastMessage, @@ -1053,11 +1057,11 @@ func newServer(cfg *Config, listenAddrs []net.Addr, FindBaseByAlias: s.aliasMgr.FindBaseSCID, GetAlias: s.aliasMgr.GetPeerAlias, FindChannel: s.findChannel, - IsStillZombieChannel: s.chanRouter.IsZombieChannel, + IsStillZombieChannel: s.graphBuilder.IsZombieChannel, }, nodeKeyDesc) s.localChanMgr = &localchans.Manager{ - ForAllOutgoingChannels: s.chanRouter.ForAllOutgoingChannels, + ForAllOutgoingChannels: s.graphBuilder.ForAllOutgoingChannels, PropagateChanPolicyUpdate: s.authGossiper.PropagateChanPolicyUpdate, UpdateForwardingPolicies: s.htlcSwitch.UpdateForwardingPolicies, FetchChannel: s.chanStateDB.FetchChannel, @@ -4667,7 +4671,7 @@ func (s *server) fetchLastChanUpdate() func(lnwire.ShortChannelID) ( ourPubKey := s.identityECDH.PubKey().SerializeCompressed() return func(cid lnwire.ShortChannelID) (*lnwire.ChannelUpdate, error) { - info, edge1, edge2, err := s.chanRouter.GetChannelByID(cid) + info, edge1, edge2, err := s.graphBuilder.GetChannelByID(cid) if err != nil { return nil, err } From 9327a83cd2e326edf92afa29553939b8ce6b1575 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 18 Jun 2024 12:02:10 -0700 Subject: [PATCH 108/343] discovery: rename Gossiper graph dep --- discovery/gossiper.go | 44 +++++++++++++++++++------------------- discovery/gossiper_test.go | 4 ++-- server.go | 2 +- 3 files changed, 25 insertions(+), 25 deletions(-) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 752ee7446c..c3031011dc 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -165,11 +165,11 @@ type Config struct { // * also need to do same for Notifier ChainHash chainhash.Hash - // Router is the subsystem which is responsible for managing the + // Graph is the subsystem which is responsible for managing the // topology of lightning network. After incoming channel, node, channel // updates announcements are validated they are sent to the router in // order to be included in the LN graph. - Router graph.ChannelGraphSource + Graph graph.ChannelGraphSource // ChanSeries is an interfaces that provides access to a time series // view of the current known channel graph. Each GossipSyncer enabled @@ -591,7 +591,7 @@ func (d *AuthenticatedGossiper) start() error { } d.blockEpochs = blockEpochs - height, err := d.cfg.Router.CurrentBlockHeight() + height, err := d.cfg.Graph.CurrentBlockHeight() if err != nil { return err } @@ -1595,7 +1595,7 @@ func (d *AuthenticatedGossiper) retransmitStaleAnns(now time.Time) error { havePublicChannels bool edgesToUpdate []updateTuple ) - err := d.cfg.Router.ForAllOutgoingChannels(func( + err := d.cfg.Graph.ForAllOutgoingChannels(func( _ kvdb.RTx, info *models.ChannelEdgeInfo, edge *models.ChannelEdgePolicy) error { @@ -1831,7 +1831,7 @@ func (d *AuthenticatedGossiper) processRejectedEdge( // First, we'll fetch the state of the channel as we know if from the // database. - chanInfo, e1, e2, err := d.cfg.Router.GetChannelByID( + chanInfo, e1, e2, err := d.cfg.Graph.GetChannelByID( chanAnnMsg.ShortChannelID, ) if err != nil { @@ -1871,7 +1871,7 @@ func (d *AuthenticatedGossiper) processRejectedEdge( // If everything checks out, then we'll add the fully assembled proof // to the database. - err = d.cfg.Router.AddProof(chanAnnMsg.ShortChannelID, proof) + err = d.cfg.Graph.AddProof(chanAnnMsg.ShortChannelID, proof) if err != nil { err := fmt.Errorf("unable add proof to shortChanID=%v: %w", chanAnnMsg.ShortChannelID, err) @@ -1928,7 +1928,7 @@ func (d *AuthenticatedGossiper) addNode(msg *lnwire.NodeAnnouncement, ExtraOpaqueData: msg.ExtraOpaqueData, } - return d.cfg.Router.AddNode(node, op...) + return d.cfg.Graph.AddNode(node, op...) } // isPremature decides whether a given network message has a block height+delta @@ -2072,7 +2072,7 @@ func (d *AuthenticatedGossiper) processZombieUpdate( // With the signature valid, we'll proceed to mark the // edge as live and wait for the channel announcement to // come through again. - err = d.cfg.Router.MarkEdgeLive(scid) + err = d.cfg.Graph.MarkEdgeLive(scid) switch { case errors.Is(err, channeldb.ErrZombieEdgeNotFound): log.Errorf("edge with chan_id=%v was not found in the "+ @@ -2099,7 +2099,7 @@ func (d *AuthenticatedGossiper) processZombieUpdate( func (d *AuthenticatedGossiper) fetchNodeAnn( pubKey [33]byte) (*lnwire.NodeAnnouncement, error) { - node, err := d.cfg.Router.FetchLightningNode(pubKey) + node, err := d.cfg.Graph.FetchLightningNode(pubKey) if err != nil { return nil, err } @@ -2112,7 +2112,7 @@ func (d *AuthenticatedGossiper) fetchNodeAnn( func (d *AuthenticatedGossiper) isMsgStale(msg lnwire.Message) bool { switch msg := msg.(type) { case *lnwire.AnnounceSignatures: - chanInfo, _, _, err := d.cfg.Router.GetChannelByID( + chanInfo, _, _, err := d.cfg.Graph.GetChannelByID( msg.ShortChannelID, ) @@ -2134,7 +2134,7 @@ func (d *AuthenticatedGossiper) isMsgStale(msg lnwire.Message) bool { return chanInfo.AuthProof != nil case *lnwire.ChannelUpdate: - _, p1, p2, err := d.cfg.Router.GetChannelByID(msg.ShortChannelID) + _, p1, p2, err := d.cfg.Graph.GetChannelByID(msg.ShortChannelID) // If the channel cannot be found, it is most likely a leftover // message for a channel that was closed, so we can consider it @@ -2207,7 +2207,7 @@ func (d *AuthenticatedGossiper) updateChannel(info *models.ChannelEdgeInfo, } // Finally, we'll write the new edge policy to disk. - if err := d.cfg.Router.UpdateEdge(edge); err != nil { + if err := d.cfg.Graph.UpdateEdge(edge); err != nil { return nil, nil, err } @@ -2327,7 +2327,7 @@ func (d *AuthenticatedGossiper) handleNodeAnnouncement(nMsg *networkMsg, // We'll quickly ask the router if it already has a newer update for // this node so we can skip validating signatures if not required. - if d.cfg.Router.IsStaleNode(nodeAnn.NodeID, timestamp) { + if d.cfg.Graph.IsStaleNode(nodeAnn.NodeID, timestamp) { log.Debugf("Skipped processing stale node: %x", nodeAnn.NodeID) nMsg.err <- nil return nil, true @@ -2354,7 +2354,7 @@ func (d *AuthenticatedGossiper) handleNodeAnnouncement(nMsg *networkMsg, // In order to ensure we don't leak unadvertised nodes, we'll make a // quick check to ensure this node intends to publicly advertise itself // to the network. - isPublic, err := d.cfg.Router.IsPublicNode(nodeAnn.NodeID) + isPublic, err := d.cfg.Graph.IsPublicNode(nodeAnn.NodeID) if err != nil { log.Errorf("Unable to determine if node %x is advertised: %v", nodeAnn.NodeID, err) @@ -2447,7 +2447,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // At this point, we'll now ask the router if this is a zombie/known // edge. If so we can skip all the processing below. - if d.cfg.Router.IsKnownEdge(ann.ShortChannelID) { + if d.cfg.Graph.IsKnownEdge(ann.ShortChannelID) { nMsg.err <- nil return nil, true } @@ -2527,9 +2527,9 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // database and is now making decisions based on this DB state, before // it writes to the DB. d.channelMtx.Lock(ann.ShortChannelID.ToUint64()) - err := d.cfg.Router.AddEdge(edge, ops...) + err := d.cfg.Graph.AddEdge(edge, ops...) if err != nil { - log.Debugf("Router rejected edge for short_chan_id(%v): %v", + log.Debugf("Graph rejected edge for short_chan_id(%v): %v", ann.ShortChannelID.ToUint64(), err) defer d.channelMtx.Unlock(ann.ShortChannelID.ToUint64()) @@ -2725,7 +2725,7 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, graphScid = upd.ShortChannelID } - if d.cfg.Router.IsStaleEdgePolicy( + if d.cfg.Graph.IsStaleEdgePolicy( graphScid, timestamp, upd.ChannelFlags, ) { @@ -2749,7 +2749,7 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, d.channelMtx.Lock(graphScid.ToUint64()) defer d.channelMtx.Unlock(graphScid.ToUint64()) - chanInfo, e1, e2, err := d.cfg.Router.GetChannelByID(graphScid) + chanInfo, e1, e2, err := d.cfg.Graph.GetChannelByID(graphScid) switch { // No error, break. case err == nil: @@ -2945,7 +2945,7 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, ExtraOpaqueData: upd.ExtraOpaqueData, } - if err := d.cfg.Router.UpdateEdge(update, ops...); err != nil { + if err := d.cfg.Graph.UpdateEdge(update, ops...); err != nil { if graph.IsError( err, graph.ErrOutdated, graph.ErrIgnored, @@ -3092,7 +3092,7 @@ func (d *AuthenticatedGossiper) handleAnnSig(nMsg *networkMsg, d.channelMtx.Lock(ann.ShortChannelID.ToUint64()) defer d.channelMtx.Unlock(ann.ShortChannelID.ToUint64()) - chanInfo, e1, e2, err := d.cfg.Router.GetChannelByID( + chanInfo, e1, e2, err := d.cfg.Graph.GetChannelByID( ann.ShortChannelID, ) if err != nil { @@ -3282,7 +3282,7 @@ func (d *AuthenticatedGossiper) handleAnnSig(nMsg *networkMsg, // attest to the bitcoin keys by validating the signatures of // announcement. If proof is valid then we'll populate the channel edge // with it, so we can announce it on peer connect. - err = d.cfg.Router.AddProof(ann.ShortChannelID, &dbProof) + err = d.cfg.Graph.AddProof(ann.ShortChannelID, &dbProof) if err != nil { err := fmt.Errorf("unable add proof to the channel chanID=%v:"+ " %v", ann.ChannelID, err) diff --git a/discovery/gossiper_test.go b/discovery/gossiper_test.go index 33d87416ac..7cfc7bce8f 100644 --- a/discovery/gossiper_test.go +++ b/discovery/gossiper_test.go @@ -783,7 +783,7 @@ func createTestCtx(t *testing.T, startHeight uint32) (*testCtx, error) { Timestamp: testTimestamp, }, nil }, - Router: router, + Graph: router, TrickleDelay: trickleDelay, RetransmitTicker: ticker.NewForce(retransmitDelay), RebroadcastInterval: rebroadcastInterval, @@ -1457,7 +1457,7 @@ func TestSignatureAnnouncementRetryAtStartup(t *testing.T) { NotifyWhenOffline: ctx.gossiper.reliableSender.cfg.NotifyWhenOffline, FetchSelfAnnouncement: ctx.gossiper.cfg.FetchSelfAnnouncement, UpdateSelfAnnouncement: ctx.gossiper.cfg.UpdateSelfAnnouncement, - Router: ctx.gossiper.cfg.Router, + Graph: ctx.gossiper.cfg.Graph, TrickleDelay: trickleDelay, RetransmitTicker: ticker.NewForce(retransmitDelay), RebroadcastInterval: rebroadcastInterval, diff --git a/server.go b/server.go index bf57dd418a..3317fb2f28 100644 --- a/server.go +++ b/server.go @@ -1022,7 +1022,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, } s.authGossiper = discovery.New(discovery.Config{ - Router: s.graphBuilder, + Graph: s.graphBuilder, Notifier: s.cc.ChainNotifier, ChainHash: *s.cfg.ActiveNetParams.GenesisHash, Broadcast: s.BroadcastMessage, From 743502f99d196cb51518370de4da5d0da20121e7 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 16 Jun 2024 21:09:10 -0400 Subject: [PATCH 109/343] funding: rename from router graph to graph --- funding/manager.go | 64 ++++++++++++++++++++--------------------- funding/manager_test.go | 26 ++++++++--------- 2 files changed, 45 insertions(+), 45 deletions(-) diff --git a/funding/manager.go b/funding/manager.go index 70d5cd9c43..7fd0e9b111 100644 --- a/funding/manager.go +++ b/funding/manager.go @@ -629,11 +629,11 @@ const ( // but we still haven't announced the channel to the network. channelReadySent - // addedToRouterGraph is the opening state of a channel if the - // channel has been successfully added to the router graph - // immediately after the channelReady message has been sent, but - // we still haven't announced the channel to the network. - addedToRouterGraph + // addedToGraph is the opening state of a channel if the channel has + // been successfully added to the graph immediately after the + // channelReady message has been sent, but we still haven't announced + // the channel to the network. + addedToGraph ) func (c channelOpeningState) String() string { @@ -642,8 +642,8 @@ func (c channelOpeningState) String() string { return "markedOpen" case channelReadySent: return "channelReadySent" - case addedToRouterGraph: - return "addedToRouterGraph" + case addedToGraph: + return "addedToGraph" default: return "unknown" } @@ -1039,9 +1039,9 @@ func (f *Manager) reservationCoordinator() { // advanceFundingState will advance the channel through the steps after the // funding transaction is broadcasted, up until the point where the channel is // ready for operation. This includes waiting for the funding transaction to -// confirm, sending channel_ready to the peer, adding the channel to the -// router graph, and announcing the channel. The updateChan can be set non-nil -// to get OpenStatusUpdates. +// confirm, sending channel_ready to the peer, adding the channel to the graph, +// and announcing the channel. The updateChan can be set non-nil to get +// OpenStatusUpdates. // // NOTE: This MUST be run as a goroutine. func (f *Manager) advanceFundingState(channel *channeldb.OpenChannel, @@ -1152,7 +1152,7 @@ func (f *Manager) stateStep(channel *channeldb.OpenChannel, return nil // channelReady was sent to peer, but the channel was not added to the - // router graph and the channel announcement was not sent. + // graph and the channel announcement was not sent. case channelReadySent: // We must wait until we've received the peer's channel_ready // before sending a channel_update according to BOLT#07. @@ -1183,7 +1183,7 @@ func (f *Manager) stateStep(channel *channeldb.OpenChannel, // The channel was added to the Router's topology, but the channel // announcement was not sent. - case addedToRouterGraph: + case addedToGraph: if channel.IsZeroConf() { // If this is a zero-conf channel, then we will wait // for it to be confirmed before announcing it to the @@ -3377,15 +3377,15 @@ func (f *Manager) extractAnnounceParams(c *channeldb.OpenChannel) ( return fwdMinHTLC, fwdMaxHTLC } -// addToRouterGraph sends a ChannelAnnouncement and a ChannelUpdate to the -// gossiper so that the channel is added to the Router's internal graph. +// addToGraph sends a ChannelAnnouncement and a ChannelUpdate to the +// gossiper so that the channel is added to the graph builder's internal graph. // These announcement messages are NOT broadcasted to the greater network, // only to the channel counter party. The proofs required to announce the // channel to the greater network will be created and sent in annAfterSixConfs. // The peerAlias is used for zero-conf channels to give the counter-party a // ChannelUpdate they understand. ourPolicy may be set for various // option-scid-alias channels to re-use the same policy. -func (f *Manager) addToRouterGraph(completeChan *channeldb.OpenChannel, +func (f *Manager) addToGraph(completeChan *channeldb.OpenChannel, shortChanID *lnwire.ShortChannelID, peerAlias *lnwire.ShortChannelID, ourPolicy *models.ChannelEdgePolicy) error { @@ -3454,8 +3454,8 @@ func (f *Manager) addToRouterGraph(completeChan *channeldb.OpenChannel, // annAfterSixConfs broadcasts the necessary channel announcement messages to // the network after 6 confs. Should be called after the channelReady message -// is sent and the channel is added to the router graph (channelState is -// 'addedToRouterGraph') and the channel is ready to be used. This is the last +// is sent and the channel is added to the graph (channelState is +// 'addedToGraph') and the channel is ready to be used. This is the last // step in the channel opening process, and the opening state will be deleted // from the database if successful. func (f *Manager) annAfterSixConfs(completeChan *channeldb.OpenChannel, @@ -3566,7 +3566,7 @@ func (f *Manager) annAfterSixConfs(completeChan *channeldb.OpenChannel, } // We'll delete the edge and add it again via - // addToRouterGraph. This is because the peer may have + // addToGraph. This is because the peer may have // sent us a ChannelUpdate with an alias and we don't // want to relay this. ourPolicy, err := f.cfg.DeleteAliasEdge(baseScid) @@ -3576,12 +3576,12 @@ func (f *Manager) annAfterSixConfs(completeChan *channeldb.OpenChannel, err) } - err = f.addToRouterGraph( + err = f.addToGraph( completeChan, &baseScid, nil, ourPolicy, ) if err != nil { return fmt.Errorf("failed to re-add to "+ - "router graph: %v", err) + "graph: %v", err) } } @@ -3605,9 +3605,9 @@ func (f *Manager) annAfterSixConfs(completeChan *channeldb.OpenChannel, return nil } -// waitForZeroConfChannel is called when the state is addedToRouterGraph with +// waitForZeroConfChannel is called when the state is addedToGraph with // a zero-conf channel. This will wait for the real confirmation, add the -// confirmed SCID to the router graph, and then announce after six confs. +// confirmed SCID to the graph, and then announce after six confs. func (f *Manager) waitForZeroConfChannel(c *channeldb.OpenChannel) error { // First we'll check whether the channel is confirmed on-chain. If it // is already confirmed, the chainntnfs subsystem will return with the @@ -3662,15 +3662,15 @@ func (f *Manager) waitForZeroConfChannel(c *channeldb.OpenChannel) error { } // We'll need to update the graph with the new ShortChannelID - // via an addToRouterGraph call. We don't pass in the peer's + // via an addToGraph call. We don't pass in the peer's // alias since we'll be using the confirmed SCID from now on // regardless if it's public or not. - err = f.addToRouterGraph( + err = f.addToGraph( c, &confChan.shortChanID, nil, ourPolicy, ) if err != nil { return fmt.Errorf("failed adding confirmed zero-conf "+ - "SCID to router graph: %v", err) + "SCID to graph: %v", err) } } @@ -3972,7 +3972,7 @@ func (f *Manager) handleChannelReady(peer lnpeer.Peer, //nolint:funlen // handleChannelReadyReceived is called once the remote's channelReady message // is received and processed. At this stage, we must have sent out our // channelReady message, once the remote's channelReady is processed, the -// channel is now active, thus we change its state to `addedToRouterGraph` to +// channel is now active, thus we change its state to `addedToGraph` to // let the channel start handling routing. func (f *Manager) handleChannelReadyReceived(channel *channeldb.OpenChannel, scid *lnwire.ShortChannelID, pendingChanID [32]byte, @@ -4004,9 +4004,9 @@ func (f *Manager) handleChannelReadyReceived(channel *channeldb.OpenChannel, peerAlias = &foundAlias } - err := f.addToRouterGraph(channel, scid, peerAlias, nil) + err := f.addToGraph(channel, scid, peerAlias, nil) if err != nil { - return fmt.Errorf("failed adding to router graph: %w", err) + return fmt.Errorf("failed adding to graph: %w", err) } // As the channel is now added to the ChannelRouter's topology, the @@ -4014,15 +4014,15 @@ func (f *Manager) handleChannelReadyReceived(channel *channeldb.OpenChannel, // moved to the last state (actually deleted from the database) after // the channel is finally announced. err = f.saveChannelOpeningState( - &channel.FundingOutpoint, addedToRouterGraph, scid, + &channel.FundingOutpoint, addedToGraph, scid, ) if err != nil { return fmt.Errorf("error setting channel state to"+ - " addedToRouterGraph: %w", err) + " addedToGraph: %w", err) } log.Debugf("Channel(%v) with ShortChanID %v: successfully "+ - "added to router graph", chanID, scid) + "added to graph", chanID, scid) // Give the caller a final update notifying them that the channel is fundingPoint := channel.FundingOutpoint @@ -4347,7 +4347,7 @@ func (f *Manager) announceChannel(localIDKey, remoteIDKey *btcec.PublicKey, } // We only send the channel proof announcement and the node announcement - // because addToRouterGraph previously sent the ChannelAnnouncement and + // because addToGraph previously sent the ChannelAnnouncement and // the ChannelUpdate announcement messages. The channel proof and node // announcements are broadcast to the greater network. errChan := f.cfg.SendAnnouncement(ann.chanProof) diff --git a/funding/manager_test.go b/funding/manager_test.go index 69e23eeb83..9db175ec39 100644 --- a/funding/manager_test.go +++ b/funding/manager_test.go @@ -1140,13 +1140,13 @@ func assertChannelReadySent(t *testing.T, alice, bob *testNode, assertDatabaseState(t, bob, fundingOutPoint, channelReadySent) } -func assertAddedToRouterGraph(t *testing.T, alice, bob *testNode, +func assertAddedToGraph(t *testing.T, alice, bob *testNode, fundingOutPoint *wire.OutPoint) { t.Helper() - assertDatabaseState(t, alice, fundingOutPoint, addedToRouterGraph) - assertDatabaseState(t, bob, fundingOutPoint, addedToRouterGraph) + assertDatabaseState(t, alice, fundingOutPoint, addedToGraph) + assertDatabaseState(t, bob, fundingOutPoint, addedToGraph) } // assertChannelAnnouncements checks that alice and bob both sends the expected @@ -1523,7 +1523,7 @@ func testNormalWorkflow(t *testing.T, chanType *lnwire.ChannelType) { assertChannelAnnouncements(t, alice, bob, capacity, nil, nil, nil, nil) // Check that the state machine is updated accordingly - assertAddedToRouterGraph(t, alice, bob, fundingOutPoint) + assertAddedToGraph(t, alice, bob, fundingOutPoint) // The funding transaction is now confirmed, wait for the // OpenStatusUpdate_ChanOpen update @@ -1877,7 +1877,7 @@ func TestFundingManagerRestartBehavior(t *testing.T) { assertChannelAnnouncements(t, alice, bob, capacity, nil, nil, nil, nil) // Check that the state machine is updated accordingly - assertAddedToRouterGraph(t, alice, bob, fundingOutPoint) + assertAddedToGraph(t, alice, bob, fundingOutPoint) // Next, we check that Alice sends the announcement signatures // on restart after six confirmations. Bob should as expected send @@ -2042,7 +2042,7 @@ func TestFundingManagerOfflinePeer(t *testing.T) { assertChannelAnnouncements(t, alice, bob, capacity, nil, nil, nil, nil) // Check that the state machine is updated accordingly - assertAddedToRouterGraph(t, alice, bob, fundingOutPoint) + assertAddedToGraph(t, alice, bob, fundingOutPoint) // The funding transaction is now confirmed, wait for the // OpenStatusUpdate_ChanOpen update @@ -2501,7 +2501,7 @@ func TestFundingManagerReceiveChannelReadyTwice(t *testing.T) { assertChannelAnnouncements(t, alice, bob, capacity, nil, nil, nil, nil) // Check that the state machine is updated accordingly - assertAddedToRouterGraph(t, alice, bob, fundingOutPoint) + assertAddedToGraph(t, alice, bob, fundingOutPoint) // The funding transaction is now confirmed, wait for the // OpenStatusUpdate_ChanOpen update @@ -2594,7 +2594,7 @@ func TestFundingManagerRestartAfterChanAnn(t *testing.T) { assertChannelAnnouncements(t, alice, bob, capacity, nil, nil, nil, nil) // Check that the state machine is updated accordingly - assertAddedToRouterGraph(t, alice, bob, fundingOutPoint) + assertAddedToGraph(t, alice, bob, fundingOutPoint) // The funding transaction is now confirmed, wait for the // OpenStatusUpdate_ChanOpen update @@ -2698,7 +2698,7 @@ func TestFundingManagerRestartAfterReceivingChannelReady(t *testing.T) { assertChannelAnnouncements(t, alice, bob, capacity, nil, nil, nil, nil) // Check that the state machine is updated accordingly - assertAddedToRouterGraph(t, alice, bob, fundingOutPoint) + assertAddedToGraph(t, alice, bob, fundingOutPoint) // Notify that six confirmations has been reached on funding // transaction. @@ -2912,9 +2912,9 @@ func TestFundingManagerPrivateRestart(t *testing.T) { // announcements. assertChannelAnnouncements(t, alice, bob, capacity, nil, nil, nil, nil) - // Note: We don't check for the addedToRouterGraph state because in + // Note: We don't check for the addedToGraph state because in // the private channel mode, the state is quickly changed from - // addedToRouterGraph to deleted from the database since the public + // addedToGraph to deleted from the database since the public // announcement phase is skipped. // The funding transaction is now confirmed, wait for the @@ -4563,8 +4563,8 @@ func testZeroConf(t *testing.T, chanType *lnwire.ChannelType) { // We'll now wait for the OpenStatusUpdate_ChanOpen update. waitForOpenUpdate(t, updateChan) - // Assert that both Alice & Bob are in the addedToRouterGraph state. - assertAddedToRouterGraph(t, alice, bob, fundingOp) + // Assert that both Alice & Bob are in the addedToGraph state. + assertAddedToGraph(t, alice, bob, fundingOp) // We'll now restart Alice's funding manager and assert that the tx // is rebroadcast. From fe34d62eb1776f8c2cb488753bb8eaece4b6d773 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 18 Jun 2024 12:34:25 -0700 Subject: [PATCH 110/343] graph+routing: address linter errors This is done in a separate commit so as to keep the original code-move commit mostly a pure code move. --- discovery/gossiper.go | 4 +- graph/builder.go | 113 +++++++++++++++++----------- graph/builder_test.go | 91 ++++++++++++++--------- graph/log.go | 2 +- graph/notifications.go | 1 - graph/notifications_test.go | 42 ++++------- routing/pathfind_test.go | 6 +- routing/router_test.go | 143 +++++++++++++++--------------------- rpcserver.go | 7 +- server.go | 1 + 10 files changed, 217 insertions(+), 193 deletions(-) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index c3031011dc..4805369ad5 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -2200,7 +2200,9 @@ func (d *AuthenticatedGossiper) updateChannel(info *models.ChannelEdgeInfo, // To ensure that our signature is valid, we'll verify it ourself // before committing it to the slice returned. - err = graph.ValidateChannelUpdateAnn(d.selfKey, info.Capacity, chanUpdate) + err = graph.ValidateChannelUpdateAnn( + d.selfKey, info.Capacity, chanUpdate, + ) if err != nil { return nil, nil, fmt.Errorf("generated invalid channel "+ "update sig: %v", err) diff --git a/graph/builder.go b/graph/builder.go index 4a3445cfc4..264a2aacd9 100644 --- a/graph/builder.go +++ b/graph/builder.go @@ -222,7 +222,7 @@ func (b *Builder) Start() error { // channels from the graph based on their spentness, but whether they // are considered zombies or not. We will start zombie pruning after a // small delay, to avoid slowing down startup of lnd. - if b.cfg.AssumeChannelValid { + if b.cfg.AssumeChannelValid { //nolint:nestif time.AfterFunc(b.cfg.FirstTimePruneDelay, func() { select { case <-b.quit: @@ -256,6 +256,7 @@ func (b *Builder) Start() error { if err != nil && !errors.Is( err, channeldb.ErrGraphNoEdgesFound, ) { + return err } @@ -290,7 +291,9 @@ func (b *Builder) Start() error { // from the graph in order to ensure we maintain a tight graph // of "useful" nodes. err = b.cfg.Graph.PruneGraphNodes() - if err != nil && err != channeldb.ErrGraphNodesNotFound { + if err != nil && + !errors.Is(err, channeldb.ErrGraphNodesNotFound) { + return err } } @@ -344,8 +347,8 @@ func (b *Builder) syncGraphWithChain() error { switch { // If the graph has never been pruned, or hasn't fully been // created yet, then we don't treat this as an explicit error. - case err == channeldb.ErrGraphNeverPruned: - case err == channeldb.ErrGraphNotFound: + case errors.Is(err, channeldb.ErrGraphNeverPruned): + case errors.Is(err, channeldb.ErrGraphNotFound): default: return err } @@ -355,7 +358,6 @@ func (b *Builder) syncGraphWithChain() error { pruneHeight, pruneHash) switch { - // If the graph has never been pruned, then we can exit early as this // entails it's being created for the first time and hasn't seen any // block or created channels. @@ -388,34 +390,40 @@ func (b *Builder) syncGraphWithChain() error { } pruneHash, pruneHeight, err = b.cfg.Graph.PruneTip() - if err != nil { - switch { - // If at this point the graph has never been pruned, we - // can exit as this entails we are back to the point - // where it hasn't seen any block or created channels, - // alas there's nothing left to prune. - case err == channeldb.ErrGraphNeverPruned: - return nil - case err == channeldb.ErrGraphNotFound: - return nil - default: - return err - } + switch { + // If at this point the graph has never been pruned, we can exit + // as this entails we are back to the point where it hasn't seen + // any block or created channels, alas there's nothing left to + // prune. + case errors.Is(err, channeldb.ErrGraphNeverPruned): + return nil + + case errors.Is(err, channeldb.ErrGraphNotFound): + return nil + + case err != nil: + return err + + default: } - mainBlockHash, err = b.cfg.Chain.GetBlockHash(int64(pruneHeight)) + + mainBlockHash, err = b.cfg.Chain.GetBlockHash( + int64(pruneHeight), + ) if err != nil { return err } } - log.Infof("Syncing channel graph from height=%v (hash=%v) to height=%v "+ - "(hash=%v)", pruneHeight, pruneHash, bestHeight, bestHash) + log.Infof("Syncing channel graph from height=%v (hash=%v) to "+ + "height=%v (hash=%v)", pruneHeight, pruneHash, bestHeight, + bestHash) // If we're not yet caught up, then we'll walk forward in the chain // pruning the channel graph with each new block that hasn't yet been // consumed by the channel graph. var spentOutputs []*wire.OutPoint - for nextHeight := pruneHeight + 1; nextHeight <= uint32(bestHeight); nextHeight++ { + for nextHeight := pruneHeight + 1; nextHeight <= uint32(bestHeight); nextHeight++ { //nolint:lll // Break out of the rescan early if a shutdown has been // requested, otherwise long rescans will block the daemon from // shutting down promptly. @@ -462,6 +470,7 @@ func (b *Builder) syncGraphWithChain() error { log.Infof("Graph pruning complete: %v channels were closed since "+ "height %v", len(closedChans), pruneHeight) + return nil } @@ -615,7 +624,11 @@ func (b *Builder) pruneZombieChans() error { } for _, u := range oldEdges { - filterPruneChans(u.Info, u.Policy1, u.Policy2) + err = filterPruneChans(u.Info, u.Policy1, u.Policy2) + if err != nil { + return fmt.Errorf("error filtering channels to "+ + "prune: %w", err) + } } log.Infof("Pruning %v zombie channels", len(chansToPrune)) @@ -640,7 +653,7 @@ func (b *Builder) pruneZombieChans() error { // With the channels pruned, we'll also attempt to prune any nodes that // were a part of them. err = b.cfg.Graph.PruneGraphNodes() - if err != nil && err != channeldb.ErrGraphNodesNotFound { + if err != nil && !errors.Is(err, channeldb.ErrGraphNodesNotFound) { return fmt.Errorf("unable to prune graph nodes: %w", err) } @@ -761,7 +774,6 @@ func (b *Builder) networkHandler() { } for { - // If there are stats, resume the statTicker. if !b.stats.Empty() { b.statTicker.Resume() @@ -793,12 +805,14 @@ func (b *Builder) networkHandler() { // Since this block is stale, we update our best height // to the previous block. - blockHeight := uint32(chainUpdate.Height) + blockHeight := chainUpdate.Height atomic.StoreUint32(&b.bestHeight, blockHeight-1) // Update the channel graph to reflect that this block // was disconnected. - _, err := b.cfg.Graph.DisconnectBlockAtHeight(blockHeight) + _, err := b.cfg.Graph.DisconnectBlockAtHeight( + blockHeight, + ) if err != nil { log.Errorf("unable to prune graph with stale "+ "block: %v", err) @@ -836,7 +850,9 @@ func (b *Builder) networkHandler() { "height=%v, got height=%v", currentHeight+1, chainUpdate.Height) - err := b.getMissingBlocks(currentHeight, chainUpdate) + err := b.getMissingBlocks( + currentHeight, chainUpdate, + ) if err != nil { log.Errorf("unable to retrieve missing"+ "blocks: %v", err) @@ -1136,6 +1152,8 @@ func makeFundingScript(bitcoinKey1, bitcoinKey2 []byte, // channel/edge update network update. If the update didn't affect the internal // state of the draft due to either being out of date, invalid, or redundant, // then error is returned. +// +//nolint:funlen func (b *Builder) processUpdate(msg interface{}, op ...batch.SchedulerOption) error { @@ -1166,7 +1184,9 @@ func (b *Builder) processUpdate(msg interface{}, _, _, exists, isZombie, err := b.cfg.Graph.HasChannelEdge( msg.ChannelID, ) - if err != nil && err != channeldb.ErrGraphNoEdgesFound { + if err != nil && + !errors.Is(err, channeldb.ErrGraphNoEdgesFound) { + return errors.Errorf("unable to check for edge "+ "existence: %v", err) } @@ -1188,7 +1208,8 @@ func (b *Builder) processUpdate(msg interface{}, // ChannelAnnouncement from the gossiper. scid := lnwire.NewShortChanIDFromInt(msg.ChannelID) if b.cfg.AssumeChannelValid || b.cfg.IsAlias(scid) { - if err := b.cfg.Graph.AddChannelEdge(msg, op...); err != nil { + err := b.cfg.Graph.AddChannelEdge(msg, op...) + if err != nil { return fmt.Errorf("unable to add edge: %w", err) } log.Tracef("New channel discovered! Link "+ @@ -1206,6 +1227,8 @@ func (b *Builder) processUpdate(msg interface{}, channelID := lnwire.NewShortChanIDFromInt(msg.ChannelID) fundingTx, err := b.fetchFundingTxWrapper(&channelID) if err != nil { + //nolint:lll + // // In order to ensure we don't erroneously mark a // channel as a zombie due to an RPC failure, we'll // attempt to string match for the relevant errors. @@ -1253,13 +1276,15 @@ func (b *Builder) processUpdate(msg interface{}, // formed. If this check fails, then this channel either // doesn't exist, or isn't the one that was meant to be created // according to the passed channel proofs. - fundingPoint, err := chanvalidate.Validate(&chanvalidate.Context{ - Locator: &chanvalidate.ShortChanIDChanLocator{ - ID: channelID, + fundingPoint, err := chanvalidate.Validate( + &chanvalidate.Context{ + Locator: &chanvalidate.ShortChanIDChanLocator{ + ID: channelID, + }, + MultiSigPkScript: fundingPkScript, + FundingTx: fundingTx, }, - MultiSigPkScript: fundingPkScript, - FundingTx: fundingTx, - }) + ) if err != nil { // Mark the edge as a zombie so we won't try to // re-validate it on start up. @@ -1336,16 +1361,20 @@ func (b *Builder) processUpdate(msg interface{}, edge1Timestamp, edge2Timestamp, exists, isZombie, err := b.cfg.Graph.HasChannelEdge(msg.ChannelID) - if err != nil && err != channeldb.ErrGraphNoEdgesFound { + if err != nil && !errors.Is( + err, channeldb.ErrGraphNoEdgesFound, + ) { + return errors.Errorf("unable to check for edge "+ "existence: %v", err) - } // If the channel is marked as a zombie in our database, and // we consider this a stale update, then we should not apply the // policy. - isStaleUpdate := time.Since(msg.LastUpdate) > b.cfg.ChannelPruneExpiry + isStaleUpdate := time.Since(msg.LastUpdate) > + b.cfg.ChannelPruneExpiry + if isZombie && isStaleUpdate { return newErrf(ErrIgnored, "ignoring stale update "+ "(flags=%v|%v) for zombie chan_id=%v", @@ -1368,7 +1397,6 @@ func (b *Builder) processUpdate(msg interface{}, // that edge. If this message has a timestamp not strictly // newer than what we already know of we can exit early. switch { - // A flag set of 0 indicates this is an announcement for the // "first" node in the channel. case msg.ChannelFlags&lnwire.ChanUpdateDirection == 0: @@ -1448,7 +1476,7 @@ func (b *Builder) fetchFundingTxWrapper(chanID *lnwire.ShortChannelID) ( // short channel ID. // // TODO(roasbeef): replace with call to GetBlockTransaction? (would allow to -// later use getblocktxn) +// later use getblocktxn). func (b *Builder) fetchFundingTx( chanID *lnwire.ShortChannelID) (*wire.MsgTx, error) { @@ -1702,6 +1730,7 @@ func (b *Builder) AddProof(chanID lnwire.ShortChannelID, } info.AuthProof = proof + return b.cfg.Graph.UpdateChannelEdge(info) } @@ -1739,6 +1768,7 @@ func (b *Builder) IsKnownEdge(chanID lnwire.ShortChannelID) bool { _, _, exists, isZombie, _ := b.cfg.Graph.HasChannelEdge( chanID.ToUint64(), ) + return exists || isZombie } @@ -1754,7 +1784,6 @@ func (b *Builder) IsStaleEdgePolicy(chanID lnwire.ShortChannelID, if err != nil { log.Debugf("Check stale edge policy got error: %v", err) return false - } // If we know of the edge as a zombie, then we'll make some additional diff --git a/graph/builder_test.go b/graph/builder_test.go index d3e25d2aab..e3a3bd0913 100644 --- a/graph/builder_test.go +++ b/graph/builder_test.go @@ -182,7 +182,7 @@ func TestIgnoreChannelEdgePolicyForUnknownChannel(t *testing.T) { } // TestWakeUpOnStaleBranch tests that upon startup of the ChannelRouter, if the -// the chain previously reflected in the channel graph is stale (overtaken by a +// chain previously reflected in the channel graph is stale (overtaken by a // longer chain), the channel router will prune the graph for any channels // confirmed on the stale chain, and resync to the main chain. func TestWakeUpOnStaleBranch(t *testing.T) { @@ -216,7 +216,6 @@ func TestWakeUpOnStaleBranch(t *testing.T) { block.Transactions = append(block.Transactions, fundingTx) chanID1 = chanID.ToUint64() - } ctx.chain.addBlock(block, height, rand.Uint32()) ctx.chain.setBestBlock(int32(height)) @@ -418,7 +417,6 @@ func TestDisconnectedBlocks(t *testing.T) { block.Transactions = append(block.Transactions, fundingTx) chanID1 = chanID.ToUint64() - } ctx.chain.addBlock(block, height, rand.Uint32()) ctx.chain.setBestBlock(int32(height)) @@ -633,7 +631,9 @@ func TestRouterChansClosedOfflinePruneGraph(t *testing.T) { } // The router should now be aware of the channel we created above. - _, _, hasChan, isZombie, err := ctx.graph.HasChannelEdge(chanID1.ToUint64()) + _, _, hasChan, isZombie, err := ctx.graph.HasChannelEdge( + chanID1.ToUint64(), + ) if err != nil { t.Fatalf("error looking for edge: %v", chanID1) } @@ -713,7 +713,9 @@ func TestRouterChansClosedOfflinePruneGraph(t *testing.T) { // At this point, the channel that was pruned should no longer be known // by the router. - _, _, hasChan, isZombie, err = ctx.graph.HasChannelEdge(chanID1.ToUint64()) + _, _, hasChan, isZombie, err = ctx.graph.HasChannelEdge( + chanID1.ToUint64(), + ) if err != nil { t.Fatalf("error looking for edge: %v", chanID1) } @@ -833,20 +835,23 @@ func TestPruneChannelGraphStaleEdges(t *testing.T) { // All of the channels should exist before pruning them. assertChannelsPruned(t, ctx.graph, testChannels) - // Proceed to prune the channels - only the last one should be pruned. + // Proceed to prune the channels - only the last one should be + // pruned. if err := ctx.builder.pruneZombieChans(); err != nil { t.Fatalf("unable to prune zombie channels: %v", err) } - // We expect channels that have either both edges stale, or one edge - // stale with both known. + // We expect channels that have either both edges stale, or one + // edge stale with both known. var prunedChannels []uint64 if strictPruning { prunedChannels = []uint64{2, 5, 7} } else { prunedChannels = []uint64{2, 7} } - assertChannelsPruned(t, ctx.graph, testChannels, prunedChannels...) + assertChannelsPruned( + t, ctx.graph, testChannels, prunedChannels..., + ) } } @@ -1387,7 +1392,9 @@ func TestBlockDifferenceFix(t *testing.T) { err := wait.NoError(func() error { // Then router height should be updated to the latest block. - if atomic.LoadUint32(&ctx.builder.bestHeight) != newBlockHeight { + if atomic.LoadUint32(&ctx.builder.bestHeight) != + newBlockHeight { + return fmt.Errorf("height should have been updated "+ "to %v, instead got %v", newBlockHeight, ctx.builder.bestHeight) @@ -1589,7 +1596,10 @@ func parseTestGraph(t *testing.T, useCache bool, path string) ( } err = graph.AddChannelEdge(&edgeInfo) - if err != nil && err != channeldb.ErrEdgeAlreadyExist { + if err != nil && !errors.Is( + err, channeldb.ErrEdgeAlreadyExist, + ) { + return nil, err } @@ -1601,17 +1611,27 @@ func parseTestGraph(t *testing.T, useCache bool, path string) ( } edgePolicy := &models.ChannelEdgePolicy{ - SigBytes: testSig.Serialize(), - MessageFlags: lnwire.ChanUpdateMsgFlags(edge.MessageFlags), - ChannelFlags: channelFlags, - ChannelID: edge.ChannelID, - LastUpdate: testTime, - TimeLockDelta: edge.Expiry, - MinHTLC: lnwire.MilliSatoshi(edge.MinHTLC), - MaxHTLC: lnwire.MilliSatoshi(edge.MaxHTLC), - FeeBaseMSat: lnwire.MilliSatoshi(edge.FeeBaseMsat), - FeeProportionalMillionths: lnwire.MilliSatoshi(edge.FeeRate), - ToNode: targetNode, + SigBytes: testSig.Serialize(), + MessageFlags: lnwire.ChanUpdateMsgFlags( + edge.MessageFlags, + ), + ChannelFlags: channelFlags, + ChannelID: edge.ChannelID, + LastUpdate: testTime, + TimeLockDelta: edge.Expiry, + MinHTLC: lnwire.MilliSatoshi( + edge.MinHTLC, + ), + MaxHTLC: lnwire.MilliSatoshi( + edge.MaxHTLC, + ), + FeeBaseMSat: lnwire.MilliSatoshi( + edge.FeeBaseMsat, + ), + FeeProportionalMillionths: lnwire.MilliSatoshi( + edge.FeeRate, + ), + ToNode: targetNode, } if err := graph.UpdateEdgePolicy(edgePolicy); err != nil { return nil, err @@ -1652,7 +1672,7 @@ func parseTestGraph(t *testing.T, useCache bool, path string) ( // testGraph is the struct which corresponds to the JSON format used to encode // graphs within the files in the testdata directory. // -// TODO(roasbeef): add test graph auto-generator +// TODO(roasbeef): add test graph auto-generator. type testGraph struct { Info []string `json:"info"` Nodes []testNode `json:"nodes"` @@ -1788,13 +1808,14 @@ type testChannelPolicy struct { Features *lnwire.FeatureVector } -// createTestGraphFromChannels returns a fully populated ChannelGraph based on a set of -// test channels. Additional required information like keys are derived in -// a deterministic way and added to the channel graph. A list of nodes is -// not required and derived from the channel data. The goal is to keep -// instantiating a test channel graph as light weight as possible. +// createTestGraphFromChannels returns a fully populated ChannelGraph based on a +// set of test channels. Additional required information like keys are derived +// in a deterministic way and added to the channel graph. A list of nodes is not +// required and derived from the channel data. The goal is to keep instantiating +// a test channel graph as light weight as possible. func createTestGraphFromChannels(t *testing.T, useCache bool, - testChannels []*testChannel, source string) (*testGraphInstance, error) { + testChannels []*testChannel, source string) (*testGraphInstance, + error) { // We'll use this fake address for the IP address of all the nodes in // our tests. This value isn't needed for path finding so it doesn't @@ -1940,7 +1961,9 @@ func createTestGraphFromChannels(t *testing.T, useCache bool, } err = graph.AddChannelEdge(&edgeInfo) - if err != nil && err != channeldb.ErrEdgeAlreadyExist { + if err != nil && + !errors.Is(err, channeldb.ErrEdgeAlreadyExist) { + return nil, err } @@ -1981,7 +2004,8 @@ func createTestGraphFromChannels(t *testing.T, useCache bool, ToNode: node2Vertex, ExtraOpaqueData: getExtraData(node1), } - if err := graph.UpdateEdgePolicy(edgePolicy); err != nil { + err := graph.UpdateEdgePolicy(edgePolicy) + if err != nil { return nil, err } } @@ -2011,12 +2035,13 @@ func createTestGraphFromChannels(t *testing.T, useCache bool, ToNode: node1Vertex, ExtraOpaqueData: getExtraData(node2), } - if err := graph.UpdateEdgePolicy(edgePolicy); err != nil { + err := graph.UpdateEdgePolicy(edgePolicy) + if err != nil { return nil, err } } - channelID++ + channelID++ //nolint:ineffassign } return &testGraphInstance{ diff --git a/graph/log.go b/graph/log.go index 2bd55297a0..cd31dae11c 100644 --- a/graph/log.go +++ b/graph/log.go @@ -18,7 +18,7 @@ func init() { } // DisableLog disables all library log output. Logging output is disabled by -// by default until UseLogger is called. +// default until UseLogger is called. func DisableLog() { UseLogger(btclog.Disabled) } diff --git a/graph/notifications.go b/graph/notifications.go index 36f4e09a97..90748b05af 100644 --- a/graph/notifications.go +++ b/graph/notifications.go @@ -117,7 +117,6 @@ type topologyClient struct { // notifyTopologyChange notifies all registered clients of a new change in // graph topology in a non-blocking. func (b *Builder) notifyTopologyChange(topologyDiff *TopologyChange) { - // notifyClient is a helper closure that will send topology updates to // the given client. notifyClient := func(clientID uint64, client *topologyClient) bool { diff --git a/graph/notifications_test.go b/graph/notifications_test.go index 290eec0e2a..09ebf1211b 100644 --- a/graph/notifications_test.go +++ b/graph/notifications_test.go @@ -55,13 +55,19 @@ var ( timeout = time.Second * 5 - testRBytes, _ = hex.DecodeString("8ce2bc69281ce27da07e6683571319d18e949ddfa2965fb6caa1bf0314f882d7") - testSBytes, _ = hex.DecodeString("299105481d63e0f4bc2a88121167221b6700d72a0ead154c03be696a292d24ae") - testRScalar = new(btcec.ModNScalar) - testSScalar = new(btcec.ModNScalar) - _ = testRScalar.SetByteSlice(testRBytes) - _ = testSScalar.SetByteSlice(testSBytes) - testSig = ecdsa.NewSignature(testRScalar, testSScalar) + testRBytes, _ = hex.DecodeString( + "8ce2bc69281ce27da07e6683571319d18e949ddfa2965fb6caa1bf03" + + "14f882d7", + ) + testSBytes, _ = hex.DecodeString( + "299105481d63e0f4bc2a88121167221b6700d72a0ead154c03be696a2" + + "92d24ae", + ) + testRScalar = new(btcec.ModNScalar) + testSScalar = new(btcec.ModNScalar) + _ = testRScalar.SetByteSlice(testRBytes) + _ = testSScalar.SetByteSlice(testSBytes) + testSig = ecdsa.NewSignature(testRScalar, testSScalar) testAuthProof = models.ChannelAuthProof{ NodeSig1Bytes: testSig.Serialize(), @@ -1027,22 +1033,6 @@ type testCtx struct { notifier *lnmock.ChainNotifier } -func (c *testCtx) getChannelIDFromAlias(t *testing.T, a, b string) uint64 { - vertexA, ok := c.aliases[a] - require.True(t, ok, "cannot find aliases for %s", a) - - vertexB, ok := c.aliases[b] - require.True(t, ok, "cannot find aliases for %s", b) - - channelIDMap, ok := c.channelIDs[vertexA] - require.True(t, ok, "cannot find channelID map %s(%s)", vertexA, a) - - channelID, ok := channelIDMap[vertexB] - require.True(t, ok, "cannot find channelID using %s(%s)", vertexB, b) - - return channelID -} - func createTestCtxSingleNode(t *testing.T, startingHeight uint32) *testCtx { @@ -1127,8 +1117,8 @@ type testGraphInstance struct { graphBackend kvdb.Backend // aliasMap is a map from a node's alias to its public key. This type is - // provided in order to allow easily look up from the human memorable alias - // to an exact node's public key. + // provided in order to allow easily look up from the human memorable + // alias to an exact node's public key. aliasMap map[string]route.Vertex // privKeyMap maps a node alias to its private key. This is used to be @@ -1201,7 +1191,7 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, } t.Cleanup(func() { - graphBuilder.Stop() + require.NoError(t, graphBuilder.Stop()) }) return ctx diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index e4912d988b..9c69cba5c9 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -2288,7 +2288,8 @@ func TestPathFindSpecExample(t *testing.T) { // parameters. lastHop := route.Hops[1] require.EqualValues(t, amt, lastHop.AmtToForward) - require.EqualValues(t, startingHeight+MinCLTVDelta, lastHop.OutgoingTimeLock) + require.EqualValues(t, startingHeight+MinCLTVDelta, + lastHop.OutgoingTimeLock) } func assertExpectedPath(t *testing.T, aliasMap map[string]route.Vertex, @@ -2297,7 +2298,8 @@ func assertExpectedPath(t *testing.T, aliasMap map[string]route.Vertex, require.Len(t, path, len(nodeAliases)) for i, hop := range path { - require.Equal(t, aliasMap[nodeAliases[i]], hop.policy.ToNodePubKey()) + require.Equal(t, aliasMap[nodeAliases[i]], + hop.policy.ToNodePubKey()) } } diff --git a/routing/router_test.go b/routing/router_test.go index 824d6aed9a..1749a6dabc 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -59,8 +59,6 @@ var ( priv2, _ = btcec.NewPrivateKey() bitcoinKey2 = priv2.PubKey() - - timeout = time.Second * 5 ) type testCtx struct { @@ -194,7 +192,7 @@ func createTestNode() (*channeldb.LightningNode, error) { LastUpdate: time.Unix(updateTime, 0), Addresses: testAddrs, Color: color.RGBA{1, 2, 3, 0}, - Alias: "kek" + string(pub[:]), + Alias: "kek" + string(pub), AuthSigBytes: testSig.Serialize(), Features: testFeatures, } @@ -308,7 +306,6 @@ func TestSendPaymentRouteFailureFallback(t *testing.T) { // the more costly path (through pham nuwen). ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( func(firstHop lnwire.ShortChannelID) ([32]byte, error) { - if firstHop == roasbeefSongoku { return [32]byte{}, htlcswitch.NewForwardingError( // TODO(roasbeef): temp node failure @@ -607,26 +604,29 @@ func TestSendPaymentErrorRepeatedFeeInsufficient(t *testing.T) { // We'll now modify the SendToSwitch method to return an error for the // outgoing channel to Son goku. This will be a fee related error, so // it should only cause the edge to be pruned after the second attempt. - ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( - func(firstHop lnwire.ShortChannelID) ([32]byte, error) { + dispatcher, ok := ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld) //nolint:lll + require.True(t, ok) - roasbeefSongoku := lnwire.NewShortChanIDFromInt( - roasbeefSongokuChanID, + dispatcher.setPaymentResult(func(firstHop lnwire.ShortChannelID) ( + [32]byte, error) { + + roasbeefSongoku := lnwire.NewShortChanIDFromInt( + roasbeefSongokuChanID, + ) + if firstHop == roasbeefSongoku { + return [32]byte{}, htlcswitch.NewForwardingError( + // Within our error, we'll add a + // channel update which is meant to + // reflect the new fee schedule for the + // node/channel. + &lnwire.FailFeeInsufficient{ + Update: errChanUpdate, + }, 1, ) - if firstHop == roasbeefSongoku { - return [32]byte{}, htlcswitch.NewForwardingError( - // Within our error, we'll add a - // channel update which is meant to - // reflect the new fee schedule for the - // node/channel. - &lnwire.FailFeeInsufficient{ - Update: errChanUpdate, - }, 1, - ) - } + } - return preImage, nil - }) + return preImage, nil + }) // Send off the payment request to the router, route through phamnuwen // should've been selected as a fall back and succeeded correctly. @@ -1211,12 +1211,8 @@ func TestFindPathFeeWeighting(t *testing.T) { // The route that was chosen should be exactly one hop, and should be // directly to luoji. - if len(path) != 1 { - t.Fatalf("expected path length of 1, instead was: %v", len(path)) - } - if path[0].policy.ToNodePubKey() != ctx.aliases["luoji"] { - t.Fatalf("wrong node: %v", path[0].policy.ToNodePubKey()) - } + require.Len(t, path, 1) + require.Equal(t, ctx.aliases["luoji"], path[0].policy.ToNodePubKey()) } // TestEmptyRoutesGenerateSphinxPacket tests that the generateSphinxPacket @@ -1228,9 +1224,7 @@ func TestEmptyRoutesGenerateSphinxPacket(t *testing.T) { sessionKey, _ := btcec.NewPrivateKey() emptyRoute := &route.Route{} _, _, err := generateSphinxPacket(emptyRoute, testHash[:], sessionKey) - if err != route.ErrNoRouteHopsProvided { - t.Fatalf("expected empty hops error: instead got: %v", err) - } + require.ErrorIs(t, err, route.ErrNoRouteHopsProvided) } // TestUnknownErrorSource tests that if the source of an error is unknown, all @@ -1270,7 +1264,9 @@ func TestUnknownErrorSource(t *testing.T) { }, 4), } - testGraph, err := createTestGraphFromChannels(t, true, testChannels, "a") + testGraph, err := createTestGraphFromChannels( + t, true, testChannels, "a", + ) require.NoError(t, err, "unable to create graph") const startingBlockHeight = 101 @@ -1284,20 +1280,23 @@ func TestUnknownErrorSource(t *testing.T) { // We'll modify the SendToSwitch method so that it simulates hop b as a // node that returns an unparsable failure if approached via the a->b // channel. - ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( - func(firstHop lnwire.ShortChannelID) ([32]byte, error) { - - // If channel a->b is used, return an error without - // source and message. The sender won't know the origin - // of the error. - if firstHop.ToUint64() == 1 { - return [32]byte{}, - htlcswitch.ErrUnreadableFailureMessage - } + dispatcher, ok := ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld) //nolint:lll + require.True(t, ok) + + dispatcher.setPaymentResult(func(firstHop lnwire.ShortChannelID) ( + [32]byte, error) { + + // If channel a->b is used, return an error without + // source and message. The sender won't know the origin + // of the error. + if firstHop.ToUint64() == 1 { + return [32]byte{}, + htlcswitch.ErrUnreadableFailureMessage + } - // Otherwise the payment succeeds. - return lntypes.Preimage{}, nil - }) + // Otherwise the payment succeeds. + return lntypes.Preimage{}, nil + }) // Send off the payment request to the router. The expectation is that // the route a->b->c is tried first. An unreadable faiure is returned @@ -1308,19 +1307,22 @@ func TestUnknownErrorSource(t *testing.T) { payment.paymentHash) // Next we modify payment result to return an unknown failure. - ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld).setPaymentResult( - func(firstHop lnwire.ShortChannelID) ([32]byte, error) { + dispatcher, ok = ctx.router.cfg.Payer.(*mockPaymentAttemptDispatcherOld) //nolint:lll + require.True(t, ok) - // If channel a->b is used, simulate that the failure - // couldn't be decoded (FailureMessage is nil). - if firstHop.ToUint64() == 2 { - return [32]byte{}, - htlcswitch.NewUnknownForwardingError(1) - } + dispatcher.setPaymentResult(func(firstHop lnwire.ShortChannelID) ( + [32]byte, error) { - // Otherwise the payment succeeds. - return lntypes.Preimage{}, nil - }) + // If channel a->b is used, simulate that the failure + // couldn't be decoded (FailureMessage is nil). + if firstHop.ToUint64() == 2 { + return [32]byte{}, + htlcswitch.NewUnknownForwardingError(1) + } + + // Otherwise the payment succeeds. + return lntypes.Preimage{}, nil + }) // Send off the payment request to the router. We expect the payment to // fail because both routes have been pruned. @@ -2353,7 +2355,7 @@ func TestAddEdgeUnknownVertexes(t *testing.T) { ) node1Bytes := priv1.PubKey().SerializeCompressed() node2Bytes := connectNode - if bytes.Compare(node1Bytes[:], node2Bytes[:]) == -1 { + if bytes.Compare(node1Bytes, node2Bytes[:]) == -1 { pubKey1 = priv1.PubKey() pubKey2 = connectNodeKey } else { @@ -2558,35 +2560,6 @@ func (m *mockChain) GetBestBlock() (*chainhash.Hash, int32, error) { return &blockHash, m.bestHeight, nil } -func (m *mockChain) setBestBlock(height int32) { - m.Lock() - defer m.Unlock() - - m.bestHeight = height -} - -func (m *mockChain) addUtxo(op wire.OutPoint, out *wire.TxOut) { - m.Lock() - m.utxos[op] = *out - m.Unlock() -} - -func (m *mockChain) delUtxo(op wire.OutPoint) { - m.Lock() - delete(m.utxos, op) - m.Unlock() -} - -func (m *mockChain) addBlock(block *wire.MsgBlock, height uint32, nonce uint32) { - m.Lock() - block.Header.Nonce = nonce - hash := block.Header.BlockHash() - m.blocks[hash] = block - m.blockIndex[height] = hash - m.blockHeightIndex[hash] = height - m.Unlock() -} - func createChannelEdge(bitcoinKey1, bitcoinKey2 []byte, chanValue btcutil.Amount, fundingHeight uint32) (*wire.MsgTx, *wire.OutPoint, *lnwire.ShortChannelID, error) { diff --git a/rpcserver.go b/rpcserver.go index 1ba82015e7..465035ea55 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -6666,7 +6666,8 @@ func (r *rpcServer) SubscribeChannelGraph(req *lnrpc.GraphTopologySubscription, // marshallTopologyChange performs a mapping from the topology change struct // returned by the router to the form of notifications expected by the current // gRPC service. -func marshallTopologyChange(topChange *graph.TopologyChange) *lnrpc.GraphTopologyUpdate { +func marshallTopologyChange( + topChange *graph.TopologyChange) *lnrpc.GraphTopologyUpdate { // encodeKey is a simple helper function that converts a live public // key into a hex-encoded version of the compressed serialization for @@ -6677,7 +6678,9 @@ func marshallTopologyChange(topChange *graph.TopologyChange) *lnrpc.GraphTopolog nodeUpdates := make([]*lnrpc.NodeUpdate, len(topChange.NodeUpdates)) for i, nodeUpdate := range topChange.NodeUpdates { - nodeAddrs := make([]*lnrpc.NodeAddress, 0, len(nodeUpdate.Addresses)) + nodeAddrs := make( + []*lnrpc.NodeAddress, 0, len(nodeUpdate.Addresses), + ) for _, addr := range nodeUpdate.Addresses { nodeAddr := &lnrpc.NodeAddress{ Network: addr.Network(), diff --git a/server.go b/server.go index 3317fb2f28..7ae6ed21e7 100644 --- a/server.go +++ b/server.go @@ -1060,6 +1060,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, IsStillZombieChannel: s.graphBuilder.IsZombieChannel, }, nodeKeyDesc) + //nolint:lll s.localChanMgr = &localchans.Manager{ ForAllOutgoingChannels: s.graphBuilder.ForAllOutgoingChannels, PropagateChanPolicyUpdate: s.authGossiper.PropagateChanPolicyUpdate, From 90dff730ce294a171bfa9f52a4f336554049166b Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 15 Jul 2024 15:00:10 +0200 Subject: [PATCH 111/343] graph: updated builder to use atomic ints Instead of relying on devs to remember that they must only be accessed atomically. --- graph/builder.go | 18 +++++++++--------- graph/builder_test.go | 7 ++----- graph/notifications.go | 3 +-- 3 files changed, 12 insertions(+), 16 deletions(-) diff --git a/graph/builder.go b/graph/builder.go index 264a2aacd9..2436f31767 100644 --- a/graph/builder.go +++ b/graph/builder.go @@ -116,8 +116,8 @@ type Builder struct { started atomic.Bool stopped atomic.Bool - ntfnClientCounter uint64 // To be used atomically. - bestHeight uint32 // To be used atomically. + ntfnClientCounter atomic.Uint64 + bestHeight atomic.Uint32 cfg *Config @@ -278,7 +278,7 @@ func (b *Builder) Start() error { if err != nil { return err } - b.bestHeight = uint32(bestHeight) + b.bestHeight.Store(uint32(bestHeight)) // Before we begin normal operation of the router, we first need // to synchronize the channel graph to the latest state of the @@ -340,7 +340,7 @@ func (b *Builder) syncGraphWithChain() error { if err != nil { return err } - b.bestHeight = uint32(bestHeight) + b.bestHeight.Store(uint32(bestHeight)) pruneHash, pruneHeight, err := b.cfg.Graph.PruneTip() if err != nil { @@ -806,7 +806,7 @@ func (b *Builder) networkHandler() { // Since this block is stale, we update our best height // to the previous block. blockHeight := chainUpdate.Height - atomic.StoreUint32(&b.bestHeight, blockHeight-1) + b.bestHeight.Store(blockHeight - 1) // Update the channel graph to reflect that this block // was disconnected. @@ -834,7 +834,7 @@ func (b *Builder) networkHandler() { // directly to the end of our main chain. If not, then // we've somehow missed some blocks. Here we'll catch // up the chain with the latest blocks. - currentHeight := atomic.LoadUint32(&b.bestHeight) + currentHeight := b.bestHeight.Load() switch { case chainUpdate.Height == currentHeight+1: err := b.updateGraphWithClosedChannels( @@ -991,7 +991,7 @@ func (b *Builder) updateGraphWithClosedChannels( // of the chain tip. blockHeight := chainUpdate.Height - atomic.StoreUint32(&b.bestHeight, blockHeight) + b.bestHeight.Store(blockHeight) log.Infof("Pruning channel graph using block %v (height=%v)", chainUpdate.Hash, blockHeight) @@ -1342,7 +1342,7 @@ func (b *Builder) processUpdate(msg interface{}, }, } err = b.cfg.ChainView.UpdateFilter( - filterUpdate, atomic.LoadUint32(&b.bestHeight), + filterUpdate, b.bestHeight.Load(), ) if err != nil { return errors.Errorf("unable to update chain "+ @@ -1658,7 +1658,7 @@ func (b *Builder) CurrentBlockHeight() (uint32, error) { // is synced to. This can differ from the above chain height if the goroutine // responsible for processing the blocks isn't yet up to speed. func (b *Builder) SyncedHeight() uint32 { - return atomic.LoadUint32(&b.bestHeight) + return b.bestHeight.Load() } // GetChannelByID return the channel by the channel id. diff --git a/graph/builder_test.go b/graph/builder_test.go index e3a3bd0913..600bd86344 100644 --- a/graph/builder_test.go +++ b/graph/builder_test.go @@ -11,7 +11,6 @@ import ( "net" "os" "strings" - "sync/atomic" "testing" "time" @@ -1392,12 +1391,10 @@ func TestBlockDifferenceFix(t *testing.T) { err := wait.NoError(func() error { // Then router height should be updated to the latest block. - if atomic.LoadUint32(&ctx.builder.bestHeight) != - newBlockHeight { - + if ctx.builder.bestHeight.Load() != newBlockHeight { return fmt.Errorf("height should have been updated "+ "to %v, instead got %v", newBlockHeight, - ctx.builder.bestHeight) + ctx.builder.bestHeight.Load()) } return nil diff --git a/graph/notifications.go b/graph/notifications.go index 90748b05af..14ea3d127d 100644 --- a/graph/notifications.go +++ b/graph/notifications.go @@ -5,7 +5,6 @@ import ( "image/color" "net" "sync" - "sync/atomic" "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcutil" @@ -65,7 +64,7 @@ func (b *Builder) SubscribeTopology() (*TopologyClient, error) { // We'll first atomically obtain the next ID for this client from the // incrementing client ID counter. - clientID := atomic.AddUint64(&b.ntfnClientCounter, 1) + clientID := b.ntfnClientCounter.Add(1) log.Debugf("New graph topology client subscription, client %v", clientID) From d1c54d74a82944053a658234090bdc36d0ce864a Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 15 Jul 2024 15:01:28 +0200 Subject: [PATCH 112/343] routing: close graph session if getBandwidthHints fails Ensure that the graph session used during pathfinding is properly closed if the call to getBandwidthHints fails. --- routing/payment_session.go | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/routing/payment_session.go b/routing/payment_session.go index 84f2135d79..a464bd93ed 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -294,6 +294,12 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, // attempt, because concurrent payments may change balances. bandwidthHints, err := p.getBandwidthHints(graph) if err != nil { + // Close routing graph session. + if graphErr := closeGraph(); graphErr != nil { + log.Errorf("could not close graph session: %v", + graphErr) + } + return nil, err } From b112e10bf2b43dbbe2598ebf4f708de4e39ca983 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 12 Jul 2024 12:30:23 +0200 Subject: [PATCH 113/343] docs: update release notes Also move incorrect entry from 18.2 to 18.3 --- docs/release-notes/release-notes-0.18.2.md | 4 ---- docs/release-notes/release-notes-0.18.3.md | 9 +++++++++ 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/docs/release-notes/release-notes-0.18.2.md b/docs/release-notes/release-notes-0.18.2.md index 072d28669b..3be21d93ac 100644 --- a/docs/release-notes/release-notes-0.18.2.md +++ b/docs/release-notes/release-notes-0.18.2.md @@ -40,10 +40,6 @@ ## BOLT Spec Updates ## Testing ## Database - -* [Fixed](https://github.com/lightningnetwork/lnd/pull/8854) pagination issues - in SQL invoicedb queries. - ## Code Health ## Tooling and Documentation diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 9245903954..95f1961bfe 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -100,7 +100,16 @@ invoice database. Invoices with incorrect expiry values will be updated to 24-hour expiry, which is the default behavior in LND. +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8854) pagination issues + in SQL invoicedb queries. + ## Code Health + +* [Move graph building and + maintaining](https://github.com/lightningnetwork/lnd/pull/8848) duties from + the `routing.ChannelRouter` to the new `graph.Builder` sub-system and also + remove the `channeldb.ChannelGraph` pointer from the `ChannelRouter`. + ## Tooling and Documentation # Contributors (Alphabetical Order) From 91930d4ab8a1522b82574303dd4cebde9f5426ee Mon Sep 17 00:00:00 2001 From: linghuying <1599935829@qq.com> Date: Tue, 16 Jul 2024 11:44:35 +0800 Subject: [PATCH 114/343] chore: fix some comments for struct field Signed-off-by: linghuying <1599935829@qq.com> --- brontide/noise.go | 2 +- chanfitness/chaneventstore.go | 2 +- channeldb/channel.go | 2 +- channeldb/migration21/common/enclosed_types.go | 2 +- channeldb/migration_01_to_11/channel.go | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/brontide/noise.go b/brontide/noise.go index 3c8c5cd74d..a55806399a 100644 --- a/brontide/noise.go +++ b/brontide/noise.go @@ -379,7 +379,7 @@ type Machine struct { // errors that cause partial writes. nextHeaderSend []byte - // nextHeaderBody holds a reference to the remaining body bytes to write + // nextBodySend holds a reference to the remaining body bytes to write // out for a pending message. This allows us to tolerate timeout errors // that cause partial writes. nextBodySend []byte diff --git a/chanfitness/chaneventstore.go b/chanfitness/chaneventstore.go index c3aa25efd9..8a4d6fbfdc 100644 --- a/chanfitness/chaneventstore.go +++ b/chanfitness/chaneventstore.go @@ -85,7 +85,7 @@ type Config struct { // for ease of testing. Clock clock.Clock - // WriteFlapCounts records the flap count for a set of peers on disk. + // WriteFlapCount records the flap count for a set of peers on disk. WriteFlapCount func(map[route.Vertex]*channeldb.FlapCount) error // ReadFlapCount gets the flap count for a peer on disk. diff --git a/channeldb/channel.go b/channeldb/channel.go index 18db1d2078..046ef8806d 100644 --- a/channeldb/channel.go +++ b/channeldb/channel.go @@ -3488,7 +3488,7 @@ type ChannelCloseSummary struct { // per-commitment-point. RemoteNextRevocation *btcec.PublicKey - // LocalChanCfg is the channel configuration for the local node. + // LocalChanConfig is the channel configuration for the local node. LocalChanConfig ChannelConfig // LastChanSyncMsg is the ChannelReestablish message for this channel diff --git a/channeldb/migration21/common/enclosed_types.go b/channeldb/migration21/common/enclosed_types.go index 58f5c9cf22..d129a6d52a 100644 --- a/channeldb/migration21/common/enclosed_types.go +++ b/channeldb/migration21/common/enclosed_types.go @@ -447,7 +447,7 @@ type ChannelCloseSummary struct { // per-commitment-point. RemoteNextRevocation *btcec.PublicKey - // LocalChanCfg is the channel configuration for the local node. + // LocalChanConfig is the channel configuration for the local node. LocalChanConfig ChannelConfig // LastChanSyncMsg is the ChannelReestablish message for this channel diff --git a/channeldb/migration_01_to_11/channel.go b/channeldb/migration_01_to_11/channel.go index 47cbca3559..ec025263bc 100644 --- a/channeldb/migration_01_to_11/channel.go +++ b/channeldb/migration_01_to_11/channel.go @@ -583,7 +583,7 @@ type ChannelCloseSummary struct { // per-commitment-point. RemoteNextRevocation *btcec.PublicKey - // LocalChanCfg is the channel configuration for the local node. + // LocalChanConfig is the channel configuration for the local node. LocalChanConfig ChannelConfig // LastChanSyncMsg is the ChannelReestablish message for this channel From 31d45757a456a9ff95e09e19f40a60dd86da99ec Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Thu, 27 Jun 2024 14:20:28 -0700 Subject: [PATCH 115/343] contractcourt: properly detect RBF coop close transactions This commit fixes an issue where we did not properly detect and therefore record the coop close transaction if it used the newer RBF coop close v2 scheme. This only affects coop closes of taproot channels today. --- contractcourt/chain_watcher.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/contractcourt/chain_watcher.go b/contractcourt/chain_watcher.go index b17b40aca8..f1733ad1f2 100644 --- a/contractcourt/chain_watcher.go +++ b/contractcourt/chain_watcher.go @@ -12,6 +12,7 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/chaincfg/chainhash" + "github.com/btcsuite/btcd/mempool" "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" "github.com/davecgh/go-spew/spew" @@ -689,7 +690,10 @@ func (c *chainWatcher) closeObserver(spendNtfn *chainntnfs.SpendEvent) { // sequence number that's finalized. This won't happen with // regular commitment transactions due to the state hint // encoding scheme. - if commitTxBroadcast.TxIn[0].Sequence == wire.MaxTxInSequenceNum { + switch commitTxBroadcast.TxIn[0].Sequence { + case wire.MaxTxInSequenceNum: + fallthrough + case mempool.MaxRBFSequence: // TODO(roasbeef): rare but possible, need itest case // for err := c.dispatchCooperativeClose(commitSpend) From 09f5e08d32e650dbbf9bc76acc7f25013b465518 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 28 Jun 2024 12:34:58 -0700 Subject: [PATCH 116/343] contractcourt: Fix heuristic for identifying STC commit broadcaster. This commit fixes the heuristic we use for identifying the party that broadcast a Simple Taproot Channel commitment transaction. Prior to this change we checked if the last script element was an OP_DROP. However, both the local and remote commitment outputs have an OP_DROP at the end. The new approach checks the resolver's SignDescriptor and compares that key to the keys in the channel's local ChannelConfig. If the key is the delay key, we know that it is our commitment transaction. --- contractcourt/commit_sweep_resolver.go | 32 ++++++++++++++++++-------- 1 file changed, 23 insertions(+), 9 deletions(-) diff --git a/contractcourt/commit_sweep_resolver.go b/contractcourt/commit_sweep_resolver.go index 296ea38e55..f2392192e8 100644 --- a/contractcourt/commit_sweep_resolver.go +++ b/contractcourt/commit_sweep_resolver.go @@ -24,6 +24,11 @@ import ( // version of the commitment transaction. We can sweep this output immediately, // as it doesn't have a time-lock delay. type commitSweepResolver struct { + // localChanCfg is used to provide the resolver with the keys required + // to identify whether the commitment transaction was broadcast by the + // local or remote party. + localChanCfg channeldb.ChannelConfig + // commitResolution contains all data required to successfully sweep // this HTLC on-chain. commitResolution lnwallet.CommitOutputResolution @@ -252,18 +257,26 @@ func (c *commitSweepResolver) Resolve(_ bool) (ContractResolver, error) { signDesc = c.commitResolution.SelfOutputSignDesc ) + switch { // For taproot channels, we'll know if this is the local commit based - // on the witness script. For local channels, the witness script has an - // OP_DROP value. - // - // TODO(roasbeef): revisit this after the script changes - // * otherwise need to base off the key in script or the CSV value - // (script num encode) + // on the timelock value. For remote commitment transactions, the + // witness script has a timelock of 1. case c.chanType.IsTaproot(): - scriptLen := len(signDesc.WitnessScript) - isLocalCommitTx = signDesc.WitnessScript[scriptLen-1] == - txscript.OP_DROP + delayKey := c.localChanCfg.DelayBasePoint.PubKey + nonDelayKey := c.localChanCfg.PaymentBasePoint.PubKey + + signKey := c.commitResolution.SelfOutputSignDesc.KeyDesc.PubKey + + // If the key in the script is neither of these, we shouldn't + // proceed. This should be impossible. + if !signKey.IsEqual(delayKey) && !signKey.IsEqual(nonDelayKey) { + return nil, fmt.Errorf("unknown sign key %v", signKey) + } + + // The commitment transaction is ours iff the signing key is + // the delay key. + isLocalCommitTx = signKey.IsEqual(delayKey) // The output is on our local commitment if the script starts with // OP_IF for the revocation clause. On the remote commitment it will @@ -446,6 +459,7 @@ func (c *commitSweepResolver) SupplementState(state *channeldb.OpenChannel) { if state.ChanType.HasLeaseExpiration() { c.leaseExpiry = state.ThawHeight } + c.localChanCfg = state.LocalChanCfg c.channelInitiator = state.IsInitiator c.chanType = state.ChanType } From 19a4b51a92eb6c09d413f4152eeb8addb13a7318 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Thu, 18 Jul 2024 08:52:36 +0200 Subject: [PATCH 117/343] mod: bump btcwallet dependency --- go.mod | 2 +- go.sum | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index a1f55dcc0d..afadc4e726 100644 --- a/go.mod +++ b/go.mod @@ -10,7 +10,7 @@ require ( github.com/btcsuite/btcd/btcutil/psbt v1.1.8 github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f - github.com/btcsuite/btcwallet v0.16.10-0.20240706055350-e391a1c31df2 + github.com/btcsuite/btcwallet v0.16.10-0.20240718224643-db3a4a2543bd github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4 github.com/btcsuite/btcwallet/wallet/txrules v1.2.1 github.com/btcsuite/btcwallet/walletdb v1.4.2 diff --git a/go.sum b/go.sum index ba15e2c75f..9cead94c12 100644 --- a/go.sum +++ b/go.sum @@ -92,8 +92,8 @@ github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0/go.mod h1:7SFka0XMvUgj3hfZtyd github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo= github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA= github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg= -github.com/btcsuite/btcwallet v0.16.10-0.20240706055350-e391a1c31df2 h1:mJquwdcEA4hZip4XKbRPAM9rOrus6wlNEcWzMz5CHsI= -github.com/btcsuite/btcwallet v0.16.10-0.20240706055350-e391a1c31df2/go.mod h1:SLFUSQbP8ON/wxholYMfVLvGPJyk7boczOW/ob+nww4= +github.com/btcsuite/btcwallet v0.16.10-0.20240718224643-db3a4a2543bd h1:QDb8foTCRoXrfoZVEzSYgSde16MJh4gCtCin8OCS0kI= +github.com/btcsuite/btcwallet v0.16.10-0.20240718224643-db3a4a2543bd/go.mod h1:X2xDre+j1QphTRo54y2TikUzeSvreL1t1aMXrD8Kc5A= github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4 h1:poyHFf7+5+RdxNp5r2T6IBRD7RyraUsYARYbp/7t4D8= github.com/btcsuite/btcwallet/wallet/txauthor v1.3.4/go.mod h1:GETGDQuyq+VFfH1S/+/7slLM/9aNa4l7P4ejX6dJfb0= github.com/btcsuite/btcwallet/wallet/txrules v1.2.1 h1:UZo7YRzdHbwhK7Rhv3PO9bXgTxiOH45edK5qdsdiatk= From 9d4ed6d6e651d6edd9567757dc9161c7ce502ef2 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Thu, 18 Jul 2024 08:52:42 +0200 Subject: [PATCH 118/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 95f1961bfe..f784065a21 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -29,6 +29,10 @@ * [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8822) that caused LND to read the config only partially and continued with the startup. +* [Avoids duplicate wallet addresses being + created](https://github.com/lightningnetwork/lnd/pull/8921) when multiple RPC + calls are made concurrently. + # New Features ## Functional Enhancements ## RPC Additions From ec1c42677a683310ce43477f466e7eb8314bc555 Mon Sep 17 00:00:00 2001 From: LeoSpyke <44040856+LeoSpyke@users.noreply.github.com> Date: Fri, 3 May 2024 17:23:32 +0200 Subject: [PATCH 119/343] docs: update safety.md, remove specific CoinJoin impl Remove dead conjoin implementations. [skip ci] --- docs/safety.md | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/docs/safety.md b/docs/safety.md index ec59722c90..fa19eea0fc 100644 --- a/docs/safety.md +++ b/docs/safety.md @@ -399,9 +399,8 @@ provide any privacy benefits. The following steps are recommended to cut all links between the old clearnet node and the new Tor node: 1. Close all channels on the old node and wait for them to fully close. -1. Send all on-chain funds of the old node through a Coin Join service (like - Wasabi or Samurai/Whirlpool) until a sufficiently high anonymity set is - reached. +1. If desired, take steps to preserve the on-chain privacy of the funds from the + old node before sending them to the new node. 1. Create a new `lnd` node with a **new seed** that is only connected to Tor and generate an on-chain address on the new node. 1. Send the mixed/coinjoined coins to the address of the new node. From e6dca0ce6ea355b4f56b64a2be151f3e719f3dd5 Mon Sep 17 00:00:00 2001 From: Marcia Waite Date: Mon, 15 Jul 2024 00:59:00 -0700 Subject: [PATCH 120/343] multi: Fix typos and grammar in multiple docs --- .github/pull_request_template.md | 4 ++-- README.md | 2 +- aezeed/README.md | 6 +++--- docker/README.md | 8 +++---- docs/DOCKER.md | 5 +++-- docs/INSTALL.md | 16 +++++++------- docs/MAKEFILE.md | 2 +- docs/code_contribution_guidelines.md | 12 +++++------ docs/code_formatting_rules.md | 8 +++---- docs/configuring_tor.md | 8 +++---- docs/etcd.md | 4 ++-- docs/fuzz.md | 4 ++-- docs/grpc/java.md | 2 +- docs/key_import.md | 2 +- docs/macaroons.md | 2 +- docs/postgres.md | 2 +- docs/psbt.md | 6 +++--- docs/recovery.md | 8 +++---- docs/release-notes/release-notes-0.14.0.md | 2 +- docs/release.md | 4 ++-- docs/remote-signing.md | 4 ++-- docs/rest/websockets.md | 6 +++--- docs/safety.md | 25 +++++++++++----------- docs/wallet.md | 4 ++-- docs/watchtower.md | 2 +- lntest/README.md | 4 ++-- macaroons/README.md | 2 +- mobile/README.md | 2 +- sweep/README.md | 6 +++--- 29 files changed, 81 insertions(+), 81 deletions(-) diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md index 6520dcfd63..d2ca2a4d55 100644 --- a/.github/pull_request_template.md +++ b/.github/pull_request_template.md @@ -15,6 +15,6 @@ Steps for reviewers to follow to test the change. - [ ] Commits follow the [Ideal Git Commit Structure](https://github.com/lightningnetwork/lnd/blob/master/docs/code_contribution_guidelines.md#IdealGitCommitStructure). - [ ] Any new logging statements use an appropriate subsystem and logging level. - [ ] Any new lncli commands have appropriate tags in the comments for the rpc in the proto file. -- [ ] [There is a change description in the release notes](https://github.com/lightningnetwork/lnd/tree/master/docs/release-notes), or `[skip ci]` in the commit message for small changes. +- [ ] [There is a change description in the release notes](https://github.com/lightningnetwork/lnd/tree/master/docs/release-notes), or `[skip ci]` in the commit message for small changes. -📝 Please see our [Contribution Guidelines](https://github.com/lightningnetwork/lnd/blob/master/docs/code_contribution_guidelines.md) for further guidance. +📝 Please see our [Contribution Guidelines](https://github.com/lightningnetwork/lnd/blob/master/docs/code_contribution_guidelines.md) for further guidance. diff --git a/README.md b/README.md index 184d0a2245..e5fa720023 100644 --- a/README.md +++ b/README.md @@ -51,7 +51,7 @@ said, the current status of `lnd`'s BOLT compliance is: The daemon has been designed to be as developer friendly as possible in order to facilitate application development on top of `lnd`. Two primary RPC interfaces are exported: an HTTP REST API, and a [gRPC](https://grpc.io/) -service. The exported API's are not yet stable, so be warned: they may change +service. The exported APIs are not yet stable, so be warned: they may change drastically in the near future. An automatically generated set of documentation for the RPC APIs can be found diff --git a/aezeed/README.md b/aezeed/README.md index b9298b2c33..a1fc21724b 100644 --- a/aezeed/README.md +++ b/aezeed/README.md @@ -11,7 +11,7 @@ process. A lack of a birthday means that wallets don’t know how far back to look in the chain to ensure that they derive all the proper user addresses. Additionally, BIP39 use a very weak [KDF](https://en.wikipedia.org/wiki/Key_derivation_function). We use scrypt with modern parameters (n=32768, r=8, p=1). A set of benchmarks has -been added, on my laptop I get about 100ms per attempt): +been added, on my laptop I get about 100ms per attempt: ```shell $ go test -run=XXX -bench=. @@ -48,13 +48,13 @@ the keys of the wallet. The 2 byte timestamp is expressed in Bitcoin Days Genesis, meaning that the number of days since the timestamp in Bitcoin’s genesis block. This -allow us to save space, and also avoid using a wasteful level of +allows us to save space, and also avoid using a wasteful level of granularity. This can currently express time up until 2188. Finally, the entropy is raw entropy that should be used to derive the wallet’s HD root. -## aezeed enciphering/deciperhing +## aezeed enciphering/deciphering Next, we’ll take the plaintext seed described above and encipher it to procure a final cipher text. We’ll then take this cipher text (the diff --git a/docker/README.md b/docker/README.md index 1857af10c4..b2f1d1efc7 100644 --- a/docker/README.md +++ b/docker/README.md @@ -217,7 +217,7 @@ bob $ lncli --network=simnet channelbalance ``` Now we have open channel in which we sent only one payment, let's imagine -that we sent lots of them and we'd now like to close the channel. Let's do +that we sent lots of them, and we'd now like to close the channel. Let's do it! ```shell # List the "Alice" channel and retrieve "channel_point" which represents @@ -300,7 +300,7 @@ bitcoins. The schema will be following: to "Faucet" then the already created "btcd" node would be sufficient. ``` -First of all you need to run `btcd` node in `testnet` and wait for it to be +First you need to run `btcd` node in `testnet` and wait for it to be synced with test network (`May the Force and Patience be with you`). ```shell # Init bitcoin network env variable: @@ -330,11 +330,11 @@ and send some amount of bitcoins to `Alice`. ### Building standalone docker images Instructions on how to build standalone docker images (for development or -production), outside of `docker-compose`, see the +production), outside `docker-compose`, see the [docker docs](../docs/DOCKER.md). ### Using bitcoind version -If you are using the bitcoind version of the compose file i.e `docker-compose-bitcoind.yml`, follow these additional instructions: +If you are using the bitcoind version of the compose file i.e. `docker-compose-bitcoind.yml`, follow these additional instructions: #### Start Bitcoin Node with bitcoind using Docker Compose To launch the Bitcoin node using bitcoind in the regtest network using Docker Compose, use the following command: diff --git a/docs/DOCKER.md b/docs/DOCKER.md index 3af75c9069..eb1fbd1cbb 100644 --- a/docs/DOCKER.md +++ b/docs/DOCKER.md @@ -3,7 +3,8 @@ There are two flavors of Dockerfiles available: - `Dockerfile`: Used for production builds. Checks out the source code from GitHub during build. The build argument `--build-arg checkout=v0.x.x-beta` - can be used to specify what git tag or commit to check out before building. + can be used to specify what git tag or commit to `git checkout` + before building. - `dev.Dockerfile` Used for development or testing builds. Uses the local code when building and allows local changes to be tested more easily. @@ -32,7 +33,7 @@ You first need to build the `lnd` docker image: $ docker build --tag=myrepository/lnd --build-arg checkout=v0.14.1-beta . ``` -It is recommended that you checkout the latest released tag. +It is recommended that you check out the latest released tag. You can continue by creating and running the container: diff --git a/docs/INSTALL.md b/docs/INSTALL.md index 30afa7bddd..819e5708a6 100644 --- a/docs/INSTALL.md +++ b/docs/INSTALL.md @@ -39,7 +39,7 @@ are released by the team. See [release.md for more information about reproducible builds](release.md). Finally, there is the option to build `lnd` fully manually. This requires more -tooling to be set up first but allows to produce non-production (debug, +tooling to be set up first but allows producing non-production (debug, development) builds. ## Installing a binary release @@ -136,7 +136,7 @@ the following commands for your OS:
macOS - First, install [Homebrew](https://brew.sh) if you don‘t already have it. + First, install [Homebrew](https://brew.sh) if you don't already have it. Then @@ -205,7 +205,7 @@ make install The command above will install the current _master_ branch of `lnd`. If you wish to install a tagged release of `lnd` (as the master branch can at times be -unstable), then [visit then release page to locate the latest +unstable), then [visit the release page to locate the latest release](https://github.com/lightningnetwork/lnd/releases). Assuming the name of the release is `v0.x.x`, then you can compile this release from source with a small modification to the above command: @@ -294,7 +294,7 @@ To check that `lnd` was installed properly run the following command: ``` This command requires `bitcoind` (almost any version should do) to be available -in the system's `$PATH` variable. Otherwise some of the tests will fail. +in the system's `$PATH` variable. Otherwise, some tests will fail. **Command-line completion for `lncli`** @@ -308,7 +308,7 @@ time of writing of this document, there are three available chain backends: `btcd`, `neutrino`, `bitcoind`. All including neutrino can run on mainnet with an out of the box `lnd` instance. We don't require `--txindex` when running with `bitcoind` or `btcd` but activating the `txindex` will generally make -`lnd` run faster. Note that since version 0.13 pruned nodes are supported +`lnd` run faster. Note that since version 0.13 pruned nodes are supported, although they cause performance penalty and higher network usage. The set of arguments for each of the backend modes is as follows: @@ -461,7 +461,7 @@ the following: - Make sure the config setting `-rpcserialversion` in `bitcoind` is either set to 1 or NOT used because bitcoind's default behaviour is already correct (see [bitcoin/issues/28730](https://github.com/bitcoin/bitcoin/issues/28730) - for more infos). Lightning depends on segwit transactions therefore we need + for more info). Lightning depends on segwit transactions therefore we need the witness data when querying the bitcoind backend for transaction details. - Start `bitcoind` running against testnet, and let it complete a full sync with @@ -541,7 +541,7 @@ document](wallet.md). `lnd`'s authentication system is called **macaroons**, which are decentralized bearer credentials allowing for delegation, attenuation, and other cool features. You can learn more about them in Alex Akselrod's [writeup on -Github](https://github.com/lightningnetwork/lnd/issues/20). +GitHub](https://github.com/lightningnetwork/lnd/issues/20). Running `lncli create` to create a wallet, will by default generate the `admin.macaroon`, `read_only.macaroon`, and `macaroons.db` @@ -596,7 +596,7 @@ Optionally, if you'd like to have a persistent configuration between `lnd` launches, allowing you to simply type `lnd --bitcoin.testnet --bitcoin.active` at the command line, you can create an `lnd.conf`. -**On MacOS, located at:** +**On macOS, located at:** `/Users//Library/Application Support/Lnd/lnd.conf` **On Linux, located at:** diff --git a/docs/MAKEFILE.md b/docs/MAKEFILE.md index 7dbef721a6..b43088f713 100644 --- a/docs/MAKEFILE.md +++ b/docs/MAKEFILE.md @@ -10,7 +10,7 @@ $ make install ``` The command `make check` requires `bitcoind` (almost any version should do) to -be available in the system's `$PATH` variable. Otherwise some of the tests will +be available in the system's `$PATH` variable. Otherwise, some tests will fail. Developers diff --git a/docs/code_contribution_guidelines.md b/docs/code_contribution_guidelines.md index 1227f6849f..9e4203c8bd 100644 --- a/docs/code_contribution_guidelines.md +++ b/docs/code_contribution_guidelines.md @@ -56,7 +56,7 @@ not hard requirements as we will gladly accept code contributions as long as they follow the guidelines set forth on this page. That said, if you don't have the following basic qualifications you will likely find it quite difficult to contribute to the core layers of Lightning. However, there are still a number -of low hanging fruit which can be tackled without having full competency in the +of low-hanging fruit which can be tackled without having full competency in the areas mentioned below. - A reasonable understanding of bitcoin at a high level (see the @@ -82,7 +82,7 @@ security and performance implications. it must follow the guidelines therein. - [Original Satoshi Whitepaper](https://bitcoin.org/bitcoin.pdf) - This is the white paper that started it all. Having a solid foundation to build on will make the code much more comprehensible. -- [Lightning Network Whitepaper](https://lightning.network/lightning-network-paper.pdf) - This is the white paper that kicked off the Layer 2 revolution. Having a good grasp of the concepts of Lightning will make the core logic within the daemon much more comprehensible: Bitcoin Script, off-chain blockchain protocols, payment channels, bi-directional payment channels, relative and absolute time-locks, commitment state revocations, and Segregated Witness. +- [Lightning Network Whitepaper](https://lightning.network/lightning-network-paper.pdf) - This is the white paper that kicked off the Layer 2 revolution. Having a good grasp of the concepts of Lightning will make the core logic within the daemon much more comprehensible: Bitcoin Script, off-chain blockchain protocols, payment channels, bidirectional payment channels, relative and absolute time-locks, commitment state revocations, and Segregated Witness. - The original LN was written for a rather narrow audience, the paper may be a bit unapproachable to many. Thanks to the Bitcoin community, there exist many easily accessible supplemental resources which can help one see how all the pieces fit together from double-spend protection all the way up to commitment state transitions and Hash Time Locked Contracts (HTLCs): - [Lightning Network Summary](https://lightning.network/lightning-network-summary.pdf) - [Understanding the Lightning Network 3-Part series](https://bitcoinmagazine.com/articles/understanding-the-lightning-network-part-building-a-bidirectional-payment-channel-1464710791) @@ -101,7 +101,7 @@ be recommended for newcomers to read first in order to get up to speed. # Development Practices Developers are expected to work in their own trees and submit pull requests when -they feel their feature or bug fix is ready for integration into the master +they feel their feature or bug fix is ready for integration into the master branch. ## Share Early, Share Often @@ -478,7 +478,7 @@ also likely be asked to split the commit into several smaller, and hence more manageable, commits. Keeping the above in mind, most small changes will be reviewed within a few -days, while large or far reaching changes may take weeks. This is a good reason +days, while large or far-reaching changes may take weeks. This is a good reason to stick with the [Share Early, Share Often](#share-early-share-often) development practice outlined above. @@ -506,7 +506,7 @@ make the necessary changes. During the process of responding to review comments, we prefer that changes be made with [fixup commits](https://robots.thoughtbot.com/autosquashing-git-commits). -The reason for this is two fold: it makes it easier for the reviewer to see +The reason for this is twofold: it makes it easier for the reviewer to see what changes have been made between versions (since Github doesn't easily show prior versions like Critique) and it makes it easier on the PR author as they can set it to auto squash the fix up commits on rebase. @@ -552,7 +552,7 @@ also ping them to remind them to re-request review if needed. (default x = 3) To control the bot, you need to add a comment on the PR starting with `!lightninglabs-deploy` followed by the command. There are 2 control types: mute/unmute & cadence. Only the latest comment for each control type will be -used. This also means you dont need to keep adding new control comments, just +used. This also means you don't need to keep adding new control comments, just edit the latest comment for that control type. - `!lightninglabs-deploy mute` will mute the bot on the PR completely. diff --git a/docs/code_formatting_rules.md b/docs/code_formatting_rules.md index 07b2c24c2f..731bb64069 100644 --- a/docs/code_formatting_rules.md +++ b/docs/code_formatting_rules.md @@ -180,8 +180,8 @@ like `require.NoErrorf()`. ### Wrapping long function definitions -If one is forced to wrap lines of function arguments that exceed the 80 -character limit, then indentation must be kept on the following lines. Also, +If one is forced to wrap lines of function arguments that exceed the +80-character limit, then indentation must be kept on the following lines. Also, lines should not end with an open parenthesis if the function definition isn't finished yet. @@ -241,7 +241,7 @@ support the `EditorConfig` scheme (for example GoLand, GitHub, GitLab, VisualStudio). In addition, specific settings for Visual Studio Code are checked into the code base as well. -Other editors (for example Atom, Nodepad++, Vim, Emacs and so on) might install +Other editors (for example Atom, Notepad++, Vim, Emacs and so on) might install a plugin to understand the rules in the `.editorconfig` file. -In Vim you might want to use `set colorcolumn=80`. +In Vim, you might want to use `set colorcolumn=80`. diff --git a/docs/configuring_tor.md b/docs/configuring_tor.md index c825a21ffa..20584124cb 100644 --- a/docs/configuring_tor.md +++ b/docs/configuring_tor.md @@ -86,8 +86,8 @@ Tor: --tor.privatekeypath= The path to the private key of the onion service being created ``` -There are a couple things here, so let's dissect them. The `--tor.active` flag -allows `lnd` to route all outbound and inbound connections through Tor. +There are a couple of things here, so let's dissect them. The `--tor.active` +flag allows `lnd` to route all outbound and inbound connections through Tor. Outbound connections are possible with the use of the `--tor.socks` and `--tor.dns` arguments. The `--tor.socks` argument should point to the interface @@ -125,7 +125,7 @@ disabled to prevent inadvertent leaks. ## Tor Stream Isolation Our support for Tor also has an additional privacy enhancing modified: stream -isolation. Usage of this mode means that Tor will always use _new circuit_ for +isolation. Usage of this mode means that Tor will always use _new circuit_ for each connection. This added features means that it's harder to correlate connections. As otherwise, several applications using Tor might share the same circuit. @@ -160,7 +160,7 @@ authentication methods (arguably, from most to least secure): In order to listen for inbound connections through Tor, an onion service must be created. There are two types of onion services: v2 and v3. v3 onion services -are the latest generation of onion services and they provide a number of +are the latest generation of onion services, and they provide a number of advantages over the legacy v2 onion services. To learn more about these benefits, see [Intro to Next Gen Onion Services](https://trac.torproject.org/projects/tor/wiki/doc/NextGenOnions). diff --git a/docs/etcd.md b/docs/etcd.md index e72e0f6dfe..bf1a82998f 100644 --- a/docs/etcd.md +++ b/docs/etcd.md @@ -2,7 +2,7 @@ With the recent introduction of the `kvdb` interface LND can support multiple database backends allowing experimentation with the storage model as well as -improving robustness through eg. replicating essential data. +improving robustness through e.g. replicating essential data. Building on `kvdb` in v0.11.0 we're adding experimental [etcd](https://etcd.io) support to LND. As this is an unstable feature heavily in development, it still @@ -21,7 +21,7 @@ $ make tags="kvdb_etcd" The important tag is the `kvdb_etcd`, without which the binary is built without the etcd driver. -For development it is advised to set the `GOFLAGS` environment variable to +For development, it is advised to set the `GOFLAGS` environment variable to `"-tags=test"` otherwise `gopls` won't work on code in `channeldb/kvdb/etcd` directory. diff --git a/docs/fuzz.md b/docs/fuzz.md index bcfc7935da..d781195e53 100644 --- a/docs/fuzz.md +++ b/docs/fuzz.md @@ -9,7 +9,7 @@ It is recommended that processes be set to the number of processor cores in the ```shell $ make fuzz pkg=lnwire fuzztime=1m parallel=4 ``` -Alternatively, individual fuzz tests can be ran manually by setting the working directory to the location of the .go file holding the fuzz tests. +Alternatively, individual fuzz tests can be run manually by setting the working directory to the location of the .go file holding the fuzz tests. The go test command can only test one fuzz test at a time: ```shell $ cd lnwire @@ -21,7 +21,7 @@ $ cd lnwire $ go test -list=Fuzz.* ``` -Fuzz tests can be ran as normal tests, which only runs the seed corpus: +Fuzz tests can be run as normal tests, which only runs the seed corpus: ```shell $ cd lnwire $ go test -run=FuzzAcceptChannel -parallel=4 diff --git a/docs/grpc/java.md b/docs/grpc/java.md index 49535ca577..e27a05698b 100644 --- a/docs/grpc/java.md +++ b/docs/grpc/java.md @@ -63,7 +63,7 @@ The following dependencies are required. ``` -In the build section, we'll need to configure the following things : +In the build section, we'll need to configure the following things: ```xml diff --git a/docs/key_import.md b/docs/key_import.md index fd9e62e941..6a3fd8a233 100644 --- a/docs/key_import.md +++ b/docs/key_import.md @@ -9,7 +9,7 @@ account path (`m/purpose'/coin_type'/account'`) or at the address index path the `WalletKit` APIs. Note that in order to follow the rest of this document and/or use the -`WalletKit` APIs, users will need to obtain a `lnd` build compiled with the +`WalletKit` APIs, users will need to obtain an `lnd` build compiled with the `walletrpc` tag. Our release builds already include this tag by default, so this would only be necessary when compiling from source. diff --git a/docs/macaroons.md b/docs/macaroons.md index 291afdc890..c30eb2cf32 100644 --- a/docs/macaroons.md +++ b/docs/macaroons.md @@ -136,7 +136,7 @@ To avoid leaking the macaroon information, `lnd` supports the so called before the `changepassword` command still remain valid. If a user wants to invalidate all previously created macaroons, the `--new_mac_root_key` flag of the `changepassword` command should be used! -* An user of `lncli` will see the returned admin macaroon printed to the screen +* A user of `lncli` will see the returned admin macaroon printed to the screen or saved to a file if the parameter `--save_to=some_file.macaroon` is used. * **Important:** By default, `lnd` will create the macaroon files during the `unlock` phase, if the `--stateless_init` flag is not used. So to avoid diff --git a/docs/postgres.md b/docs/postgres.md index 582c971590..423efc7901 100644 --- a/docs/postgres.md +++ b/docs/postgres.md @@ -17,7 +17,7 @@ $ make install ## Configuring Postgres for LND In order for LND to run on Postgres, an empty database should already exist. A -database can be created via the usual ways (psql, pgadmin, etc). A user with +database can be created via the usual ways (psql, pgadmin, etc.). A user with access to this database is also required. Creation of a schema and the tables is handled by LND automatically. diff --git a/docs/psbt.md b/docs/psbt.md index c1b824f50e..6c587beaa0 100644 --- a/docs/psbt.md +++ b/docs/psbt.md @@ -129,7 +129,7 @@ $ bitcoin-cli decodepsbt cHNidP8BAHECAAAAAeJQY2VLRtutKgQYFUajEKpjFfl0Uyrm6x23Ou Let's now look at how we can implement manual coin selection by using the `fund` command. We again want to send half a coin to -`bcrt1qjrdns4f5zwkv29ln86plqzs092yd5fg6nsz8re` but we want to select our inputs +`bcrt1qjrdns4f5zwkv29ln86plqzs092yd5fg6nsz8re`, but we want to select our inputs manually. The first step is to look at all available UTXOs and choose. To do so, we use @@ -183,7 +183,7 @@ $ lncli wallet psbt fund --outputs='{"bcrt1qjrdns4f5zwkv29ln86plqzs092yd5fg6nsz } ``` -Inspecting this PSBT, we notice that the two inputs were chosen and a large +Inspecting this PSBT, we notice that the two inputs were chosen, and a large change output was added at index 1: ```shell @@ -319,7 +319,7 @@ outputs are used to fund a channel. See This is a step-by-step guide on how to open a channel with `lnd` by using a PSBT as the funding transaction. We will use `bitcoind` to create and sign the transaction just to keep the -example simple. Of course any other PSBT compatible wallet could be used and the +example simple. Of course any other PSBT compatible wallet could be used, and the process would likely be spread out over multiple signing steps. The goal of this example is not to cover each and every possible edge case but to help users of `lnd` understand what inputs the `lncli` utility expects. diff --git a/docs/recovery.md b/docs/recovery.md index 2e9d9f7b2a..c99e0ddef0 100644 --- a/docs/recovery.md +++ b/docs/recovery.md @@ -193,7 +193,7 @@ rescan. ### Forced In-Place Rescan The recovery methods described above assume a clean slate for a node, so -there's no existing UTXO or key data in the node's database. However, there're +there's no existing UTXO or key data in the node's database. However, there are times when an _existing_ node may want to _manually_ rescan the chain. We have a command line flag for that! Just start `lnd` and add the following flag: ```shell @@ -231,7 +231,7 @@ knows if they have the latest state of a channel or not. Instead, we aim to provide a simple, safe method to allow users to recover the settled funds in their channels in the case of partial or complete data loss. The backups themselves are encrypted using a key derived from the user's seed, this way we -protect privacy of the users channels in the back up state, and ensure that a +protect privacy of the users channels in the backup state, and ensure that a random node can't attempt to import another user's channels. Given a valid SCB, the user will be able to recover funds that are fully @@ -249,7 +249,7 @@ There are multiple ways of obtaining SCBs from `lnd`. The most commonly used method will likely be via the `channel.backup` file that's stored on-disk alongside the rest of the chain data. This is a special file that contains SCB entries for _all_ currently open channels. Each time a channel is opened or -closed, this file is updated on disk in a safe manner (atomic file rename). As +closed, this file is updated on disk safely (atomic file rename). As a result, unlike the `channel.db` file, it's _always_ safe to copy this file for backup at ones desired location. The default location on Linux is: `~/.lnd/data/chain/bitcoin/mainnet/channel.backup` @@ -280,7 +280,7 @@ $ lncli --network=simnet exportchanbackup --all $ lncli --network=simnet exportchanbackup --all --output_file=channel.backup ``` -As shown above, a user can either: specify a specific channel to backup, backup +As shown above, a user can either: specify a specific channel to back up, backup all existing channels, or backup directly to an on-disk file. All backups use the same format. diff --git a/docs/release-notes/release-notes-0.14.0.md b/docs/release-notes/release-notes-0.14.0.md index 9d4db2d4bc..b6ab86fece 100644 --- a/docs/release-notes/release-notes-0.14.0.md +++ b/docs/release-notes/release-notes-0.14.0.md @@ -226,7 +226,7 @@ documentation](../psbt.md#use-the-batchopenchannel-rpc-for-safe-batch-channel-fu discussion](https://github.com/lightningnetwork/lnd/pull/4685#discussion_r503080709)). This synchronization check is put back now as we want to make the integration test more robust in catching real world situations. This also means it might - take longer to start a `lnd` node when running in `simnet` or `regtest`, + take longer to start an `lnd` node when running in `simnet` or `regtest`, something developers need to watch out from this release. ### Remote signing diff --git a/docs/release.md b/docs/release.md index bfcd3d849a..3c205f9ab6 100644 --- a/docs/release.md +++ b/docs/release.md @@ -6,11 +6,11 @@ binaries are now reproducible, allowing developers to build the binary on distinct machines, and end up with a byte-for-byte identical binary. However, this wasn't _fully_ solved in `go1.13`, as the build system still includes the directory the binary is built into the binary itself. As a result, our scripts -utilize a work around needed until `go1.13.2`. +utilize a workaround needed until `go1.13.2`. ## Building a New Release -### MacOS +### macOS The first requirement is to have [`docker`](https://www.docker.com/) installed locally and running. The second requirement is to have `make` diff --git a/docs/remote-signing.md b/docs/remote-signing.md index bd5fa72180..0f06463b3f 100644 --- a/docs/remote-signing.md +++ b/docs/remote-signing.md @@ -91,9 +91,9 @@ signer> $ lncli wallet accounts list > accounts-signer.json That `accounts-signer.json` file has to be copied to the machine on which "watch-only" will be running. It contains the extended public keys for all of -`lnd`'s accounts (see [required accounts](#required-accounts) ). +`lnd`'s accounts (see [required accounts](#required-accounts)). -A custom macaroon can be baked for the watch-only node so it only gets the +A custom macaroon can be baked for the watch-only node, so it only gets the minimum required permissions on the signer instance: ```shell diff --git a/docs/rest/websockets.md b/docs/rest/websockets.md index f231075f16..ff4d4a3c3c 100644 --- a/docs/rest/websockets.md +++ b/docs/rest/websockets.md @@ -17,7 +17,7 @@ what header fields are allowed to be sent. Therefore, the macaroon cannot just be added as a `Grpc-Metadata-Macaroon` header field as it would work with normal REST calls. The browser will just ignore that header field and not send it. -Instead we have added a workaround in `lnd`'s WebSocket proxy that allows +Instead, we have added a workaround in `lnd`'s WebSocket proxy that allows sending the macaroon as a WebSocket "protocol": ```javascript @@ -101,12 +101,12 @@ ws.on('message', function(body) { ## Request-streaming RPCs Starting with `lnd v0.13.0-beta` all RPCs can be used through REST, even those -that are fully bi-directional (e.g. the client can also send multiple request +that are fully bidirectional (e.g. the client can also send multiple request messages to the stream). **Example**: -As an example we show how one can use the bi-directional channel acceptor RPC. +As an example we show how one can use the bidirectional channel acceptor RPC. Through that RPC each incoming channel open request (another peer opening a channel to our node) will be passed in for inspection. We can decide programmatically whether to accept or reject the channel. diff --git a/docs/safety.md b/docs/safety.md index ec59722c90..7164fd9d8f 100644 --- a/docs/safety.md +++ b/docs/safety.md @@ -29,7 +29,7 @@ This chapter describes the security/safety mechanisms that are implemented in `lnd`. We encourage every person that is planning on putting mainnet funds into a Lightning Network channel using `lnd` to read this guide carefully. -As of this writing, `lnd` is still in beta and it is considered `#reckless` to +As of this writing, `lnd` is still in beta, and it is considered `#reckless` to put any life altering amounts of BTC into the network. That said, we constantly put in a lot of effort to make `lnd` safer to use and more secure. We will update this documentation with each safety mechanism that @@ -77,7 +77,7 @@ But the node will need to be restored using the ### TLS -By default the two API connections `lnd` offers (gRPC on port 10009 and REST on +By default, the two API connections `lnd` offers (gRPC on port 10009 and REST on port 8080) use TLS with a self-signed certificate for transport level security. Specifying the certificate on the client side (for example `lncli`) is only a protection against man-in-the-middle attacks and does not provide any @@ -211,14 +211,14 @@ line, it is hashed and only the hash (or to be more exact, the BIP32 extended root key) is stored in the `wallet.db` file. There is [a tool being worked on](https://github.com/lightningnetwork/lnd/pull/2373) -that can extract the BIP32 extended root key but currently you cannot restore +that can extract the BIP32 extended root key, but currently you cannot restore lnd with only this root key. Important to know: * Setting a password/passphrase for the aezeed is meant to protect it from an attacker that finds the paper/storage device. Writing down the password alongside the 24 seed words does not enhance the security in any way. - Therefore the password should be stored in a separate place. + Therefore, the password should be stored in a separate place. ### File based backups @@ -231,7 +231,7 @@ those risks. The single most important file that needs to be backed up whenever it changes is the `/data/chain/bitcoin/mainnet/channel.backup` file which holds the Static Channel Backups (SCBs). This file is only updated every time `lnd` -starts, a channel is opened or a channel is closed. +starts, a channel is opened, or a channel is closed. Most consumer Lightning wallet apps upload the file to the cloud automatically. @@ -295,10 +295,9 @@ online. Funds that are in such channels are at great risk, as is described quite dramatically in -[this article](https://medium.com/@gcomxx/get-rid-of-those-zombie-channels-1267d5a2a708?) -. +[this article](https://medium.com/@gcomxx/get-rid-of-those-zombie-channels-1267d5a2a708?). -The TL;DR of the article is that if you have funds in a zombie channel and you +The TL;DR of the article is that if you have funds in a zombie channel, and you need to recover your node after a failure, SCBs won't be able to recover those funds. Because SCB restore [relies on the remote node cooperating](#static-channel-backups-scbs). @@ -328,7 +327,7 @@ fallback way to do it. This option works very well if the new device runs the same operating system on the same (or at least very similar) architecture. If that is the case, the whole `/home//.lnd` directory in Linux (or -`$HOME/Library/Application Support/lnd` in MacOS, `%LOCALAPPDATA%\lnd` in +`$HOME/Library/Application Support/lnd` in macOS, `%LOCALAPPDATA%\lnd` in Windows) can be moved to the new device and `lnd` started there. It is important to shut down `lnd` on the old device before moving the directory! **Not supported/untested** is moving the data directory between different @@ -428,11 +427,11 @@ The following (non-exhaustive) list of things can lead to data corruption: architectures. To avoid most of these factors, it is recommended to store `lnd`'s main data -directory on an Solid State Drive (SSD) of a reliable manufacturer. +directory on a Solid State Drive (SSD) of a reliable manufacturer. An alternative or extension to that is to use a replicated disk setup. Making -sure a power failure does not interrupt the node by running a UPS ( -uninterruptible power supply) might also make sense depending on the reliability -of the local power grid and the amount of funds at stake. +sure a power failure does not interrupt the node by running a UPS +(uninterruptible power supply) might also make sense depending on the +reliability of the local power grid and the amount of funds at stake. ### Don't interrupt `lncli` commands diff --git a/docs/wallet.md b/docs/wallet.md index 8563e52cc4..7506be22cb 100644 --- a/docs/wallet.md +++ b/docs/wallet.md @@ -115,7 +115,7 @@ of some sort. It will also only work on Unix like file systems that support named pipes. We will use the password manager [`pass`](https://www.passwordstore.org/) as an -example here but it should work similarly with other password managers. +example here, but it should work similarly with other password managers. - Start `lnd` without the flag: ```shell @@ -179,7 +179,7 @@ There is a way to get rid of the need to unlock the wallet password: The Using that flag with **real funds (mainnet) is extremely risky for two reasons**: 1. On first startup a wallet is created automatically. The seed phrase (the 24 - words needed to restore a wallet) is never shown to the user. Therefore if + words needed to restore a wallet) is never shown to the user. Therefore, if the worst thing happens and the hard disk crashes or the wallet file is deleted by accident, **THERE IS NO WAY OF GETTING THE FUNDS BACK**. 2. In addition to the seed not being known to the user, the wallet database is diff --git a/docs/watchtower.md b/docs/watchtower.md index 2bacd53b2f..d99eef0c91 100644 --- a/docs/watchtower.md +++ b/docs/watchtower.md @@ -175,7 +175,7 @@ With the addition of the `lncli wtclient` command, users are now able to interact with the watchtower client directly to obtain/modify information about the set of registered watchtowers. -As as example, with the `lncli wtclient tower` command, you can obtain the +As an example, with the `lncli wtclient tower` command, you can obtain the number of sessions currently negotiated with the watchtower added above and determine whether it is currently being used for backups through the `active_session_candidate` value. diff --git a/lntest/README.md b/lntest/README.md index c4f7020038..ce82185441 100644 --- a/lntest/README.md +++ b/lntest/README.md @@ -84,10 +84,10 @@ Standby nodes are `HarnessNode`s created when initializing the integration test and stay alive across all the test cases. Creating a new node is not without a cost. With block height increasing, it takes significantly longer to initialize a new node and wait for it to be synced. Standby nodes, however, don’t have -this problem as they are digesting blocks all the time. Thus it’s encouraged to +this problem as they are digesting blocks all the time. Thus, it’s encouraged to use standby nodes wherever possible. -Currently there are two standby nodes, Alice and Bob. Their internal states are +Currently, there are two standby nodes, Alice and Bob. Their internal states are recorded and taken into account when `HarnessTest` makes assertions. When making a new test case using `Subtest`, there’s a cleanup function which further validates the current test case has no dangling uncleaned states, such diff --git a/macaroons/README.md b/macaroons/README.md index cf3e7d4817..4e2396b741 100644 --- a/macaroons/README.md +++ b/macaroons/README.md @@ -39,7 +39,7 @@ With the root key set up, `lnd` continues with creating three macaroon files: the name might suggest it. The permission `offchain` is needed to pay an invoice which is currently only granted in the admin macaroon. * `readonly.macaroon`: Grants read-only access to all gRPC commands. Could be - given to a monitoring application for example. + given to a monitoring application for example. * `admin.macaroon`: Grants full read and write access to all gRPC commands. This is used by the `lncli` client. diff --git a/mobile/README.md b/mobile/README.md index 4aa0d7e9d5..d8627f7534 100644 --- a/mobile/README.md +++ b/mobile/README.md @@ -225,7 +225,7 @@ implementation project(":lndmobile", { "default" }) In LND v0.15+ all API methods have prefixed the generated methods with the subserver name. This is required to support subservers with name conflicts. -eg. `QueryScores` is now `AutopilotQueryScores`. `GetBlockHeader` is now `NeutrinoKitGetBlockHeader`. +e.g. `QueryScores` is now `AutopilotQueryScores`. `GetBlockHeader` is now `NeutrinoKitGetBlockHeader`. ## API docs diff --git a/sweep/README.md b/sweep/README.md index 279725474c..5c39fa3e86 100644 --- a/sweep/README.md +++ b/sweep/README.md @@ -21,7 +21,7 @@ or the specified budget has been used up. There are two questions when spending a UTXO - how much fees to pay and what the confirmation target is, which gives us the concepts of budget and deadline. This is especially important when sweeping the outputs of a force close -transaction - some of the outputs are time-sensitive, and may result in fund +transaction - some outputs are time-sensitive, and may result in fund loss if not confirmed in time. On the other hand, we don’t want to pay more than what we can get back - if a sweeping transaction spends more than what is meant to be swept, we are losing money due to fees. @@ -80,7 +80,7 @@ flowchart LR `UtxoAggregator` is an interface that handles the batching of inputs. `BudgetAggregator` implements this interface by grouping inputs with the same deadline together. Inputs with the same deadline express the same time -sensitivity so it makes sense to sweep them in the same transaction. Once +sensitivity, so it makes sense to sweep them in the same transaction. Once grouped, inputs in each batch are sorted based on their budgets. The only exception is inputs with the `ExclusiveGroup` flag set, which will be swept alone. @@ -119,7 +119,7 @@ rate, an ending fee rate, and a width (the deadline delta). It's used by the `LinearFeeFunction` implements this interface using a linear function - it calculates a fee rate delta using `(ending_fee_rate - starting_fee_rate) / -deadline`, and increases the fee rate by this delta value everytime a new block +deadline`, and increases the fee rate by this delta value every time a new block arrives. Once the deadline is passed, `LinearFeeFunction` will cap its returning fee rate at the ending fee rate. From 154a8af078f634ff75aa50a5594a11c0d47b40ae Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Tue, 23 Jul 2024 14:14:41 +0200 Subject: [PATCH 121/343] GitHub: update vendored release script This fixes the problem where releases wouldn't be created anymore due to the GitHub Action for creating the draft release being out of date. --- .github/workflows/release.yaml | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index 4c4cc5d60f..af78e5d64c 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -40,11 +40,10 @@ jobs: run: SKIP_VERSION_CHECK=1 make release tag=${{ env.RELEASE_VERSION }} - name: Create Release - uses: lightninglabs/gh-actions/action-gh-release@2021.01.25.00 + uses: lightninglabs/gh-actions/action-gh-release@c7149b6a7818d1c39b36b69e727569897b6f2c5a env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} with: - tag_name: ${{ env.RELEASE_VERSION }} name: lnd ${{ env.RELEASE_VERSION }} draft: true prerelease: false From a8814774049b2681f59e8a97ed057d14b7c38517 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 1 May 2024 18:20:21 +0800 Subject: [PATCH 122/343] lntest: create new package `lntest/miner` for itest miner This commit moves the `HarnessMiner` into a new package to avoid confusion about incoming changes. --- lntest/btcd.go | 7 +++++-- lntest/harness.go | 9 ++++++--- lntest/harness_assertion.go | 4 +++- lntest/harness_node_manager.go | 3 ++- lntest/harness_setup.go | 21 ++++++++++---------- lntest/{harness_miner.go => miner/miner.go} | 22 ++++++++++----------- 6 files changed, 38 insertions(+), 28 deletions(-) rename lntest/{harness_miner.go => miner/miner.go} (98%) diff --git a/lntest/btcd.go b/lntest/btcd.go index 2d735fa2bd..6b607978eb 100644 --- a/lntest/btcd.go +++ b/lntest/btcd.go @@ -14,6 +14,7 @@ import ( "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/integration/rpctest" "github.com/btcsuite/btcd/rpcclient" + "github.com/lightningnetwork/lnd/lntest/miner" "github.com/lightningnetwork/lnd/lntest/node" ) @@ -53,12 +54,14 @@ func (b BtcdBackendConfig) GenArgs() []string { // ConnectMiner is called to establish a connection to the test miner. func (b BtcdBackendConfig) ConnectMiner() error { - return b.harness.Client.Node(btcjson.NConnect, b.minerAddr, &temp) + return b.harness.Client.Node(btcjson.NConnect, b.minerAddr, &miner.Temp) } // DisconnectMiner is called to disconnect the miner. func (b BtcdBackendConfig) DisconnectMiner() error { - return b.harness.Client.Node(btcjson.NDisconnect, b.minerAddr, &temp) + return b.harness.Client.Node( + btcjson.NDisconnect, b.minerAddr, &miner.Temp, + ) } // Credentials returns the rpc username, password and host for the backend. diff --git a/lntest/harness.go b/lntest/harness.go index 92549427f1..20c1c14622 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -18,6 +18,7 @@ import ( "github.com/lightningnetwork/lnd/lnrpc" "github.com/lightningnetwork/lnd/lnrpc/routerrpc" "github.com/lightningnetwork/lnd/lnrpc/walletrpc" + "github.com/lightningnetwork/lnd/lntest/miner" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntest/rpc" "github.com/lightningnetwork/lnd/lntest/wait" @@ -78,7 +79,7 @@ type HarnessTest struct { // Miner is a reference to a running full node that can be used to // create new blocks on the network. - Miner *HarnessMiner + Miner *miner.HarnessMiner // manager handles the start and stop of a given node. manager *nodeManager @@ -158,7 +159,9 @@ func NewHarnessTest(t *testing.T, lndBinary string, feeService WebFeeService, // Start will assemble the chain backend and the miner for the HarnessTest. It // also starts the fee service and watches lnd process error. -func (h *HarnessTest) Start(chain node.BackendConfig, miner *HarnessMiner) { +func (h *HarnessTest) Start(chain node.BackendConfig, + miner *miner.HarnessMiner) { + // Spawn a new goroutine to watch for any fatal errors that any of the // running lnd processes encounter. If an error occurs, then the test // case should naturally as a result and we log the server error here @@ -1599,7 +1602,7 @@ func (h *HarnessTest) OpenChannelPsbt(srcNode, destNode *node.HarnessNode, // Make sure the channel funding address has the correct type for the // given commitment type. fundingAddr, err := btcutil.DecodeAddress( - upd.PsbtFund.FundingAddress, harnessNetParams, + upd.PsbtFund.FundingAddress, miner.HarnessNetParams, ) require.NoError(h, err) diff --git a/lntest/harness_assertion.go b/lntest/harness_assertion.go index 9ee9bc4e45..f3d8244ed6 100644 --- a/lntest/harness_assertion.go +++ b/lntest/harness_assertion.go @@ -23,6 +23,7 @@ import ( "github.com/lightningnetwork/lnd/lnrpc/invoicesrpc" "github.com/lightningnetwork/lnd/lnrpc/routerrpc" "github.com/lightningnetwork/lnd/lnrpc/walletrpc" + "github.com/lightningnetwork/lnd/lntest/miner" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntest/rpc" "github.com/lightningnetwork/lnd/lntest/wait" @@ -937,7 +938,7 @@ func (h *HarnessTest) RandomPreimage() lntypes.Preimage { // DecodeAddress decodes a given address and asserts there's no error. func (h *HarnessTest) DecodeAddress(addr string) btcutil.Address { - resp, err := btcutil.DecodeAddress(addr, harnessNetParams) + resp, err := btcutil.DecodeAddress(addr, miner.HarnessNetParams) require.NoError(h, err, "DecodeAddress failed") return resp @@ -2015,6 +2016,7 @@ func (h *HarnessTest) CreateBurnAddr(addrType lnrpc.AddressType) ([]byte, require.NoError(h, err) randomKeyBytes := randomPrivKey.PubKey().SerializeCompressed() + harnessNetParams := miner.HarnessNetParams var addr btcutil.Address switch addrType { diff --git a/lntest/harness_node_manager.go b/lntest/harness_node_manager.go index 3b0c412d97..90a74f75e2 100644 --- a/lntest/harness_node_manager.go +++ b/lntest/harness_node_manager.go @@ -8,6 +8,7 @@ import ( "testing" "github.com/lightningnetwork/lnd/lnrpc" + "github.com/lightningnetwork/lnd/lntest/miner" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntest/wait" ) @@ -88,7 +89,7 @@ func (nm *nodeManager) newNode(t *testing.T, name string, extraArgs []string, NativeSQL: nm.nativeSQL, NodeID: nm.nextNodeID(), LndBinary: nm.lndBinary, - NetParams: harnessNetParams, + NetParams: miner.HarnessNetParams, SkipUnlock: noAuth, } diff --git a/lntest/harness_setup.go b/lntest/harness_setup.go index 8aed3b880d..166880baec 100644 --- a/lntest/harness_setup.go +++ b/lntest/harness_setup.go @@ -6,6 +6,7 @@ import ( "testing" "github.com/btcsuite/btcd/integration/rpctest" + "github.com/lightningnetwork/lnd/lntest/miner" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntest/wait" "github.com/stretchr/testify/require" @@ -65,27 +66,27 @@ func SetupHarness(t *testing.T, binaryPath, dbBackendName string, // transactions on simnet to reject them. Transactions on the lightning network // should always be standard to get better guarantees of getting included in to // blocks. -func prepareMiner(ctxt context.Context, t *testing.T) *HarnessMiner { - miner := NewMiner(ctxt, t) +func prepareMiner(ctxt context.Context, t *testing.T) *miner.HarnessMiner { + m := miner.NewMiner(ctxt, t) // Before we start anything, we want to overwrite some of the // connection settings to make the tests more robust. We might need to // restart the miner while there are already blocks present, which will // take a bit longer than the 1 second the default settings amount to. // Doubling both values will give us retries up to 4 seconds. - miner.MaxConnRetries = rpctest.DefaultMaxConnectionRetries * 2 - miner.ConnectionRetryTimeout = rpctest.DefaultConnectionRetryTimeout * 2 + m.MaxConnRetries = rpctest.DefaultMaxConnectionRetries * 2 + m.ConnectionRetryTimeout = rpctest.DefaultConnectionRetryTimeout * 2 // Set up miner and connect chain backend to it. - require.NoError(t, miner.SetUp(true, 50)) - require.NoError(t, miner.Client.NotifyNewTransactions(false)) + require.NoError(t, m.SetUp(true, 50)) + require.NoError(t, m.Client.NotifyNewTransactions(false)) // Next mine enough blocks in order for segwit and the CSV package // soft-fork to activate on SimNet. - numBlocks := harnessNetParams.MinerConfirmationWindow * 2 - miner.GenerateBlocks(numBlocks) + numBlocks := miner.HarnessNetParams.MinerConfirmationWindow * 2 + m.GenerateBlocks(numBlocks) - return miner + return m } // prepareChainBackend creates a new chain backend. @@ -93,7 +94,7 @@ func prepareChainBackend(t *testing.T, minerAddr string) (node.BackendConfig, func()) { chainBackend, cleanUp, err := NewBackend( - minerAddr, harnessNetParams, + minerAddr, miner.HarnessNetParams, ) require.NoError(t, err, "new backend") diff --git a/lntest/harness_miner.go b/lntest/miner/miner.go similarity index 98% rename from lntest/harness_miner.go rename to lntest/miner/miner.go index f6348c0783..0a81a07af6 100644 --- a/lntest/harness_miner.go +++ b/lntest/miner/miner.go @@ -1,4 +1,4 @@ -package lntest +package miner import ( "bytes" @@ -34,13 +34,13 @@ const ( ) var ( - harnessNetParams = &chaincfg.RegressionNetParams + HarnessNetParams = &chaincfg.RegressionNetParams // temp is used to signal we want to establish a temporary connection // using the btcd Node API. // // NOTE: Cannot be const, since the node API expects a reference. - temp = "temp" + Temp = "temp" ) type HarnessMiner struct { @@ -99,7 +99,7 @@ func newMiner(ctxb context.Context, t *testing.T, minerDirName, "--nostalldetect", } - miner, err := rpctest.New(harnessNetParams, handler, args, btcdBinary) + miner, err := rpctest.New(HarnessNetParams, handler, args, btcdBinary) require.NoError(t, err, "unable to create mining node") ctxt, cancel := context.WithCancel(ctxb) @@ -119,7 +119,7 @@ func newMiner(ctxb context.Context, t *testing.T, minerDirName, func (h *HarnessMiner) saveLogs() { // After shutting down the miner, we'll make a copy of the log files // before deleting the temporary log dir. - path := fmt.Sprintf("%s/%s", h.logPath, harnessNetParams.Name) + path := fmt.Sprintf("%s/%s", h.logPath, HarnessNetParams.Name) files, err := os.ReadDir(path) require.NoError(h, err, "unable to read log directory") @@ -130,7 +130,7 @@ func (h *HarnessMiner) saveLogs() { copyPath := fmt.Sprintf("%s/../%s", h.logPath, newFilename) logFile := fmt.Sprintf("%s/%s", path, file.Name()) - err := CopyFile(filepath.Clean(copyPath), logFile) + err := node.CopyFile(filepath.Clean(copyPath), logFile) require.NoError(h, err, "unable to copy file") } @@ -533,7 +533,7 @@ func (h *HarnessMiner) SpawnTempMiner() *HarnessMiner { require.NoError(tempMiner.SetUp(false, 0), "unable to setup miner") // Connect the temp miner to the original miner. - err := h.Client.Node(btcjson.NConnect, tempMiner.P2PAddress(), &temp) + err := h.Client.Node(btcjson.NConnect, tempMiner.P2PAddress(), &Temp) require.NoError(err, "unable to connect node") // Sync the blocks. @@ -546,7 +546,7 @@ func (h *HarnessMiner) SpawnTempMiner() *HarnessMiner { // Once synced, we now disconnect the temp miner so it'll be // independent from the original miner. - err = h.Client.Node(btcjson.NDisconnect, tempMiner.P2PAddress(), &temp) + err = h.Client.Node(btcjson.NDisconnect, tempMiner.P2PAddress(), &Temp) require.NoError(err, "unable to disconnect miners") return tempMiner @@ -557,7 +557,7 @@ func (h *HarnessMiner) ConnectMiner(tempMiner *HarnessMiner) { require := require.New(h.T) // Connect the current miner to the temporary miner. - err := h.Client.Node(btcjson.NConnect, tempMiner.P2PAddress(), &temp) + err := h.Client.Node(btcjson.NConnect, tempMiner.P2PAddress(), &Temp) require.NoError(err, "unable to connect temp miner") nodes := []*rpctest.Harness{tempMiner.Harness, h.Harness} @@ -567,7 +567,7 @@ func (h *HarnessMiner) ConnectMiner(tempMiner *HarnessMiner) { // DisconnectMiner disconnects the miner from the temp miner. func (h *HarnessMiner) DisconnectMiner(tempMiner *HarnessMiner) { - err := h.Client.Node(btcjson.NDisconnect, tempMiner.P2PAddress(), &temp) + err := h.Client.Node(btcjson.NDisconnect, tempMiner.P2PAddress(), &Temp) require.NoError(h.T, err, "unable to disconnect temp miner") } @@ -597,6 +597,6 @@ func (h *HarnessMiner) AssertMinerBlockHeightDelta(tempMiner *HarnessMiner, } return nil - }, DefaultTimeout) + }, wait.DefaultTimeout) require.NoError(h.T, err, "failed to assert block height delta") } From 91b20e661b1e60c23f6bfe98fee2c633f2db08f2 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 1 May 2024 18:24:35 +0800 Subject: [PATCH 123/343] lntest: move mining methods into one file --- lntest/harness.go | 148 ------------------------------------- lntest/harness_miner.go | 158 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 158 insertions(+), 148 deletions(-) create mode 100644 lntest/harness_miner.go diff --git a/lntest/harness.go b/lntest/harness.go index 20c1c14622..b57fa7d355 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -1649,40 +1649,6 @@ func (h *HarnessTest) CleanupForceClose(hn *node.HarnessNode) { h.mineTillForceCloseResolved(hn) } -// mineTillForceCloseResolved asserts that the number of pending close channels -// are zero. Each time it checks, a new block is mined using MineBlocksSlow to -// give the node some time to catch up the chain. -// -// NOTE: this method is a workaround to make sure we have a clean mempool at -// the end of a channel force closure. We cannot directly mine blocks and -// assert channels being fully closed because the subsystems in lnd don't share -// the same block height. This is especially the case when blocks are produced -// too fast. -// TODO(yy): remove this workaround when syncing blocks are unified in all the -// subsystems. -func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { - _, startHeight := h.Miner.GetBestBlock() - - err := wait.NoError(func() error { - resp := hn.RPC.PendingChannels() - total := len(resp.PendingForceClosingChannels) - if total != 0 { - h.MineBlocks(1) - - return fmt.Errorf("expected num of pending force " + - "close channel to be zero") - } - - _, height := h.Miner.GetBestBlock() - h.Logf("Mined %d blocks while waiting for force closed "+ - "channel to be resolved", height-startHeight) - - return nil - }, DefaultTimeout) - - require.NoErrorf(h, err, "assert force close resolved timeout") -} - // CreatePayReqs is a helper method that will create a slice of payment // requests for the given node. func (h *HarnessTest) CreatePayReqs(hn *node.HarnessNode, @@ -1742,92 +1708,6 @@ func (h *HarnessTest) RestartNodeAndRestoreDB(hn *node.HarnessNode) { h.WaitForBlockchainSync(hn) } -// MineBlocks mines blocks and asserts all active nodes have synced to the -// chain. -// -// NOTE: this differs from miner's `MineBlocks` as it requires the nodes to be -// synced. -func (h *HarnessTest) MineBlocks(num uint32) []*wire.MsgBlock { - require.Less(h, num, uint32(maxBlocksAllowed), - "too many blocks to mine") - - // Mining the blocks slow to give `lnd` more time to sync. - blocks := h.Miner.MineBlocksSlow(num) - - // Make sure all the active nodes are synced. - bestBlock := blocks[len(blocks)-1] - h.AssertActiveNodesSyncedTo(bestBlock) - - return blocks -} - -// MineBlocksAndAssertNumTxes mines blocks and asserts the number of -// transactions are found in the first block. It also asserts all active nodes -// have synced to the chain. -// -// NOTE: this differs from miner's `MineBlocks` as it requires the nodes to be -// synced. -// -// TODO(yy): change the APIs to force callers to think about blocks and txns: -// - MineBlocksAndAssertNumTxes -> MineBlocks -// - add more APIs to mine a single tx. -func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, - numTxs int) []*wire.MsgBlock { - - // If we expect transactions to be included in the blocks we'll mine, - // we wait here until they are seen in the miner's mempool. - txids := h.Miner.AssertNumTxsInMempool(numTxs) - - // Mine blocks. - blocks := h.Miner.MineBlocksSlow(num) - - // Assert that all the transactions were included in the first block. - for _, txid := range txids { - h.Miner.AssertTxInBlock(blocks[0], txid) - } - - // Make sure the mempool has been updated. - for _, txid := range txids { - h.Miner.AssertTxNotInMempool(*txid) - } - - // Finally, make sure all the active nodes are synced. - bestBlock := blocks[len(blocks)-1] - h.AssertActiveNodesSyncedTo(bestBlock) - - return blocks -} - -// cleanMempool mines blocks till the mempool is empty and asserts all active -// nodes have synced to the chain. -func (h *HarnessTest) cleanMempool() { - _, startHeight := h.Miner.GetBestBlock() - - // Mining the blocks slow to give `lnd` more time to sync. - var bestBlock *wire.MsgBlock - err := wait.NoError(func() error { - // If mempool is empty, exit. - mem := h.Miner.GetRawMempool() - if len(mem) == 0 { - _, height := h.Miner.GetBestBlock() - h.Logf("Mined %d blocks when cleanup the mempool", - height-startHeight) - - return nil - } - - // Otherwise mine a block. - blocks := h.Miner.MineBlocksSlow(1) - bestBlock = blocks[len(blocks)-1] - - // Make sure all the active nodes are synced. - h.AssertActiveNodesSyncedTo(bestBlock) - - return fmt.Errorf("still have %d txes in mempool", len(mem)) - }, wait.MinerMempoolTimeout) - require.NoError(h, err, "timeout cleaning up mempool") -} - // CleanShutDown is used to quickly end a test by shutting down all non-standby // nodes and mining blocks to empty the mempool. // @@ -1843,21 +1723,6 @@ func (h *HarnessTest) CleanShutDown() { h.cleanMempool() } -// MineEmptyBlocks mines a given number of empty blocks. -// -// NOTE: this differs from miner's `MineEmptyBlocks` as it requires the nodes -// to be synced. -func (h *HarnessTest) MineEmptyBlocks(num int) []*wire.MsgBlock { - require.Less(h, num, maxBlocksAllowed, "too many blocks to mine") - - blocks := h.Miner.MineEmptyBlocks(num) - - // Finally, make sure all the active nodes are synced. - h.AssertActiveNodesSynced() - - return blocks -} - // QueryChannelByChanPoint tries to find a channel matching the channel point // and asserts. It returns the channel found. func (h *HarnessTest) QueryChannelByChanPoint(hn *node.HarnessNode, @@ -2150,19 +2015,6 @@ func findSweepInDetails(ht *HarnessTest, sweepTxid string, return false } -// ConnectMiner connects the miner with the chain backend in the network. -func (h *HarnessTest) ConnectMiner() { - err := h.manager.chainBackend.ConnectMiner() - require.NoError(h, err, "failed to connect miner") -} - -// DisconnectMiner removes the connection between the miner and the chain -// backend in the network. -func (h *HarnessTest) DisconnectMiner() { - err := h.manager.chainBackend.DisconnectMiner() - require.NoError(h, err, "failed to disconnect miner") -} - // QueryRoutesAndRetry attempts to keep querying a route until timeout is // reached. // diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go new file mode 100644 index 0000000000..987d61c191 --- /dev/null +++ b/lntest/harness_miner.go @@ -0,0 +1,158 @@ +package lntest + +import ( + "fmt" + + "github.com/btcsuite/btcd/wire" + "github.com/lightningnetwork/lnd/lntest/node" + "github.com/lightningnetwork/lnd/lntest/wait" + "github.com/stretchr/testify/require" +) + +// MineBlocks mines blocks and asserts all active nodes have synced to the +// chain. +// +// NOTE: this differs from miner's `MineBlocks` as it requires the nodes to be +// synced. +func (h *HarnessTest) MineBlocks(num uint32) []*wire.MsgBlock { + require.Less(h, num, uint32(maxBlocksAllowed), + "too many blocks to mine") + + // Mining the blocks slow to give `lnd` more time to sync. + blocks := h.Miner.MineBlocksSlow(num) + + // Make sure all the active nodes are synced. + bestBlock := blocks[len(blocks)-1] + h.AssertActiveNodesSyncedTo(bestBlock) + + return blocks +} + +// MineEmptyBlocks mines a given number of empty blocks. +// +// NOTE: this differs from miner's `MineEmptyBlocks` as it requires the nodes +// to be synced. +func (h *HarnessTest) MineEmptyBlocks(num int) []*wire.MsgBlock { + require.Less(h, num, maxBlocksAllowed, "too many blocks to mine") + + blocks := h.Miner.MineEmptyBlocks(num) + + // Finally, make sure all the active nodes are synced. + h.AssertActiveNodesSynced() + + return blocks +} + +// MineBlocksAndAssertNumTxes mines blocks and asserts the number of +// transactions are found in the first block. It also asserts all active nodes +// have synced to the chain. +// +// NOTE: this differs from miner's `MineBlocks` as it requires the nodes to be +// synced. +// +// TODO(yy): change the APIs to force callers to think about blocks and txns: +// - MineBlocksAndAssertNumTxes -> MineBlocks +// - add more APIs to mine a single tx. +func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, + numTxs int) []*wire.MsgBlock { + + // If we expect transactions to be included in the blocks we'll mine, + // we wait here until they are seen in the miner's mempool. + txids := h.Miner.AssertNumTxsInMempool(numTxs) + + // Mine blocks. + blocks := h.Miner.MineBlocksSlow(num) + + // Assert that all the transactions were included in the first block. + for _, txid := range txids { + h.Miner.AssertTxInBlock(blocks[0], txid) + } + + // Make sure the mempool has been updated. + for _, txid := range txids { + h.Miner.AssertTxNotInMempool(*txid) + } + + // Finally, make sure all the active nodes are synced. + bestBlock := blocks[len(blocks)-1] + h.AssertActiveNodesSyncedTo(bestBlock) + + return blocks +} + +// ConnectMiner connects the miner with the chain backend in the network. +func (h *HarnessTest) ConnectMiner() { + err := h.manager.chainBackend.ConnectMiner() + require.NoError(h, err, "failed to connect miner") +} + +// DisconnectMiner removes the connection between the miner and the chain +// backend in the network. +func (h *HarnessTest) DisconnectMiner() { + err := h.manager.chainBackend.DisconnectMiner() + require.NoError(h, err, "failed to disconnect miner") +} + +// cleanMempool mines blocks till the mempool is empty and asserts all active +// nodes have synced to the chain. +func (h *HarnessTest) cleanMempool() { + _, startHeight := h.Miner.GetBestBlock() + + // Mining the blocks slow to give `lnd` more time to sync. + var bestBlock *wire.MsgBlock + err := wait.NoError(func() error { + // If mempool is empty, exit. + mem := h.Miner.GetRawMempool() + if len(mem) == 0 { + _, height := h.Miner.GetBestBlock() + h.Logf("Mined %d blocks when cleanup the mempool", + height-startHeight) + + return nil + } + + // Otherwise mine a block. + blocks := h.Miner.MineBlocksSlow(1) + bestBlock = blocks[len(blocks)-1] + + // Make sure all the active nodes are synced. + h.AssertActiveNodesSyncedTo(bestBlock) + + return fmt.Errorf("still have %d txes in mempool", len(mem)) + }, wait.MinerMempoolTimeout) + require.NoError(h, err, "timeout cleaning up mempool") +} + +// mineTillForceCloseResolved asserts that the number of pending close channels +// are zero. Each time it checks, a new block is mined using MineBlocksSlow to +// give the node some time to catch up the chain. +// +// NOTE: this method is a workaround to make sure we have a clean mempool at +// the end of a channel force closure. We cannot directly mine blocks and +// assert channels being fully closed because the subsystems in lnd don't share +// the same block height. This is especially the case when blocks are produced +// too fast. +// TODO(yy): remove this workaround when syncing blocks are unified in all the +// subsystems. +func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { + _, startHeight := h.Miner.GetBestBlock() + + err := wait.NoError(func() error { + resp := hn.RPC.PendingChannels() + total := len(resp.PendingForceClosingChannels) + if total != 0 { + h.MineBlocks(1) + + return fmt.Errorf("expected num of pending force " + + "close channel to be zero") + } + + _, height := h.Miner.GetBestBlock() + h.Logf("Mined %d blocks while waiting for force closed "+ + "channel to be resolved", height-startHeight) + + return nil + }, DefaultTimeout) + + require.NoErrorf(h, err, "assert force close resolved timeout") +} From e553895ddd68220833c40e0b771408ec4ca54839 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 1 May 2024 18:57:26 +0800 Subject: [PATCH 124/343] lntest+itest: strictly define the behavior of `MineBlocks` This commit adds more assertion to `MineBlocks` so the caller won't misuse it. --- itest/lnd_hold_invoice_force_test.go | 4 +-- itest/lnd_multi-hop_test.go | 2 +- itest/lnd_open_channel_test.go | 2 +- itest/lnd_recovery_test.go | 2 +- itest/lnd_route_blinding_test.go | 2 +- itest/lnd_sweep_test.go | 4 +-- lntest/harness.go | 12 +++---- lntest/harness_miner.go | 53 +++++++++++++++++++--------- 8 files changed, 51 insertions(+), 30 deletions(-) diff --git a/itest/lnd_hold_invoice_force_test.go b/itest/lnd_hold_invoice_force_test.go index a3d8326143..d4a70ee6bc 100644 --- a/itest/lnd_hold_invoice_force_test.go +++ b/itest/lnd_hold_invoice_force_test.go @@ -93,7 +93,7 @@ func testHoldInvoiceForceClose(ht *lntest.HarnessTest) { // TODO(yy): fix block height asymmetry among all the subsystems. // // We first mine enough blocks to trigger an invoice cancelation. - ht.MineBlocks(blocksTillCancel) + ht.MineBlocks(int(blocksTillCancel)) // Wait for the nodes to be synced. ht.WaitForBlockchainSync(alice) @@ -133,7 +133,7 @@ func testHoldInvoiceForceClose(ht *lntest.HarnessTest) { // happen in bitcoind backend, as Alice's CNCT was syncing way faster // than Bob's INVC, causing the channel being force closed before the // invoice cancelation message was received by Alice. - ht.MineBlocks(blocksTillForce - blocksTillCancel) + ht.MineBlocks(int(blocksTillForce - blocksTillCancel)) // Wait for the nodes to be synced. ht.WaitForBlockchainSync(alice) diff --git a/itest/lnd_multi-hop_test.go b/itest/lnd_multi-hop_test.go index 09b2cdf466..72f07c5ef0 100644 --- a/itest/lnd_multi-hop_test.go +++ b/itest/lnd_multi-hop_test.go @@ -243,7 +243,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, numBlocks := padCLTV( uint32(finalCltvDelta - lncfg.DefaultOutgoingBroadcastDelta), ) - ht.MineBlocks(numBlocks) + ht.MineBlocks(int(numBlocks)) // Bob's force close transaction should now be found in the mempool. ht.Miner.AssertNumTxsInMempool(1) diff --git a/itest/lnd_open_channel_test.go b/itest/lnd_open_channel_test.go index d28a211dbd..2ef4267666 100644 --- a/itest/lnd_open_channel_test.go +++ b/itest/lnd_open_channel_test.go @@ -58,7 +58,7 @@ func testOpenChannelAfterReorg(ht *lntest.HarnessTest) { // and our new miner mine 15. This will also confirm our pending // channel on the original miner's chain, which should be considered // open. - block := ht.MineBlocks(10)[0] + block := ht.MineBlocksAndAssertNumTxes(10, 1)[0] ht.Miner.AssertTxInBlock(block, fundingTxID) _, err = tempMiner.Client.Generate(15) require.NoError(ht, err, "unable to generate blocks") diff --git a/itest/lnd_recovery_test.go b/itest/lnd_recovery_test.go index 766d109562..020c44fa48 100644 --- a/itest/lnd_recovery_test.go +++ b/itest/lnd_recovery_test.go @@ -263,7 +263,7 @@ func testOnchainFundRecovery(ht *lntest.HarnessTest) { txid := ht.Miner.AssertNumTxsInMempool(1)[0] require.Equal(ht, txid.String(), resp.Txid) - block := ht.MineBlocks(1)[0] + block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] ht.Miner.AssertTxInBlock(block, txid) } restoreCheckBalance(finalBalance, 9, 20, promptChangeAddr) diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 514e856d89..d4e4faab0e 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1021,7 +1021,7 @@ func testErrorHandlingOnChainFailure(ht *lntest.HarnessTest) { // value. info := ht.Bob.RPC.GetInfo() target := carolHTLC.IncomingExpiry - info.BlockHeight - ht.MineBlocks(target) + ht.MineBlocks(int(target)) // Wait for Bob's timeout transaction in the mempool, since we've // suspended Carol we don't need to account for her commitment output diff --git a/itest/lnd_sweep_test.go b/itest/lnd_sweep_test.go index 27ad132664..75b69084ce 100644 --- a/itest/lnd_sweep_test.go +++ b/itest/lnd_sweep_test.go @@ -872,7 +872,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { numBlocks := padCLTV(uint32( invoiceReqHold.CltvExpiry - lncfg.DefaultOutgoingBroadcastDelta, )) - ht.MineBlocks(numBlocks) + ht.MineBlocks(int(numBlocks)) // Before we mine empty blocks to check the RBF behavior, we need to be // aware that Bob's incoming HTLC will expire before his outgoing HTLC @@ -1804,7 +1804,7 @@ func createSimpleNetwork(ht *lntest.HarnessTest, nodeCfg []string, } // Mine 1 block to get the above coins confirmed. - ht.MineBlocks(1) + ht.MineBlocksAndAssertNumTxes(1, numNodes-1) // Open channels in batch to save blocks mined. reqs := make([]*lntest.OpenChannelRequest, 0, len(nodes)-1) diff --git a/lntest/harness.go b/lntest/harness.go index b57fa7d355..6e8476c412 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -1414,24 +1414,24 @@ func (h *HarnessTest) fundCoins(amt btcutil.Amount, target *node.HarnessNode, pkScriptStr := utxos[0].PkScript require.Equal(h, pkScriptStr, expPkScriptStr, "pkscript mismatch") - } - // If the transaction should remain unconfirmed, then we'll wait until - // the target node's unconfirmed balance reflects the expected balance - // and exit. - if !confirmed && !h.IsNeutrinoBackend() { expectedBalance := btcutil.Amount( initialBalance.UnconfirmedBalance, ) + amt h.WaitForBalanceUnconfirmed(target, expectedBalance) + } + // If the transaction should remain unconfirmed, then we'll wait until + // the target node's unconfirmed balance reflects the expected balance + // and exit. + if !confirmed { return } // Otherwise, we'll generate 1 new blocks to ensure the output gains a // sufficient number of confirmations and wait for the balance to // reflect what's expected. - h.MineBlocks(1) + h.MineBlocksAndAssertNumTxes(1, 1) expectedBalance := btcutil.Amount(initialBalance.ConfirmedBalance) + amt h.WaitForBalanceConfirmed(target, expectedBalance) diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 987d61c191..5be0cf5026 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -3,6 +3,7 @@ package lntest import ( "fmt" + "github.com/btcsuite/btcd/blockchain" "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntest/wait" @@ -10,22 +11,46 @@ import ( ) // MineBlocks mines blocks and asserts all active nodes have synced to the -// chain. +// chain. It assumes no txns are expected in the blocks. // -// NOTE: this differs from miner's `MineBlocks` as it requires the nodes to be -// synced. -func (h *HarnessTest) MineBlocks(num uint32) []*wire.MsgBlock { - require.Less(h, num, uint32(maxBlocksAllowed), - "too many blocks to mine") +// NOTE: Use `MineBlocksAndAssertNumTxes` if you expect txns in the blocks. Use +// `MineEmptyBlocks` if you want to make sure that txns stay unconfirmed. +func (h *HarnessTest) MineBlocks(num int) { + require.Less(h, num, maxBlocksAllowed, "too many blocks to mine") - // Mining the blocks slow to give `lnd` more time to sync. - blocks := h.Miner.MineBlocksSlow(num) + // Mine num of blocks. + for i := 0; i < num; i++ { + block := h.Miner.MineBlocks(1)[0] - // Make sure all the active nodes are synced. - bestBlock := blocks[len(blocks)-1] - h.AssertActiveNodesSyncedTo(bestBlock) + // Check the block doesn't have any txns except the coinbase. + if len(block.Transactions) <= 1 { + // Make sure all the active nodes are synced. + h.AssertActiveNodesSyncedTo(block) - return blocks + // Mine the next block. + continue + } + + // Create a detailed description. + desc := fmt.Sprintf("block %v has %d txns:\n", + block.BlockHash(), len(block.Transactions)-1) + + // Print all the txns except the coinbase. + for _, tx := range block.Transactions { + if blockchain.IsCoinBaseTx(tx) { + continue + } + + desc += fmt.Sprintf("%v\n", tx.TxHash()) + } + + desc += "Consider using `MineBlocksAndAssertNumTxes` if you " + + "expect txns, or `MineEmptyBlocks` if you want to " + + "keep the txns unconfirmed." + + // Raise an error if the block has txns. + require.Fail(h, "MineBlocks", desc) + } } // MineEmptyBlocks mines a given number of empty blocks. @@ -49,10 +74,6 @@ func (h *HarnessTest) MineEmptyBlocks(num int) []*wire.MsgBlock { // // NOTE: this differs from miner's `MineBlocks` as it requires the nodes to be // synced. -// -// TODO(yy): change the APIs to force callers to think about blocks and txns: -// - MineBlocksAndAssertNumTxes -> MineBlocks -// - add more APIs to mine a single tx. func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, numTxs int) []*wire.MsgBlock { From 976bb3797294f652f9334a76142dbf30e46090f0 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 1 May 2024 19:21:00 +0800 Subject: [PATCH 125/343] lntest+itest: add method `AssertNumTxsInMempool` and `AssertTxInBlock` in harness Prepare to make `HarnessTest.Miner` a private instance to sync height. --- itest/lnd_channel_backup_test.go | 12 +++--- itest/lnd_channel_force_close_test.go | 10 ++--- itest/lnd_funding_test.go | 4 +- itest/lnd_misc_test.go | 2 +- itest/lnd_multi-hop_test.go | 62 +++++++++++++-------------- itest/lnd_nonstd_sweep_test.go | 2 +- itest/lnd_onchain_test.go | 6 +-- itest/lnd_open_channel_test.go | 6 +-- itest/lnd_psbt_test.go | 20 ++++----- itest/lnd_recovery_test.go | 6 +-- itest/lnd_revocation_test.go | 8 ++-- itest/lnd_signer_test.go | 4 +- itest/lnd_sweep_test.go | 12 +++--- itest/lnd_taproot_test.go | 10 ++--- itest/lnd_wallet_import_test.go | 4 +- itest/lnd_watchtower_test.go | 4 +- itest/lnd_zero_conf_test.go | 4 +- lntest/harness.go | 2 +- lntest/harness_assertion.go | 8 ++-- lntest/harness_miner.go | 15 +++++++ 20 files changed, 108 insertions(+), 93 deletions(-) diff --git a/itest/lnd_channel_backup_test.go b/itest/lnd_channel_backup_test.go index 0e7393dc3f..28f9569096 100644 --- a/itest/lnd_channel_backup_test.go +++ b/itest/lnd_channel_backup_test.go @@ -783,7 +783,7 @@ func runChanRestoreScenarioForceClose(ht *lntest.HarnessTest, zeroConf bool) { ) // We now wait until both Dave's closing tx. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Now that we're able to make our restored now, we'll shutdown the old // Dave node as we'll be storing it shortly below. @@ -1272,7 +1272,7 @@ func testDataLossProtection(ht *lntest.HarnessTest) { ht.MineBlocks(1) // Dave should sweep his funds. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Mine a block to confirm the sweep, and make sure Dave got his // balance back. @@ -1428,7 +1428,7 @@ func assertTimeLockSwept(ht *lntest.HarnessTest, carol, dave *node.HarnessNode, // Mine a block to trigger the sweeps. ht.MineBlocks(1) - ht.Miner.AssertNumTxsInMempool(expectedTxes) + ht.AssertNumTxsInMempool(expectedTxes) // Carol should consider the channel pending force close (since she is // waiting for her sweep to confirm). @@ -1462,9 +1462,9 @@ func assertTimeLockSwept(ht *lntest.HarnessTest, carol, dave *node.HarnessNode, // Mine a block to trigger the sweeps. ht.MineEmptyBlocks(1) - daveSweep := ht.Miner.AssertNumTxsInMempool(1)[0] + daveSweep := ht.AssertNumTxsInMempool(1)[0] block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, daveSweep) + ht.AssertTxInBlock(block, daveSweep) // Now the channel should be fully closed also from Dave's POV. ht.AssertNumPendingForceClose(dave, 0) @@ -1510,7 +1510,7 @@ func assertDLPExecuted(ht *lntest.HarnessTest, // Upon reconnection, the nodes should detect that Dave is out of sync. // Carol should force close the channel using her latest commitment. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Channel should be in the state "waiting close" for Carol since she // broadcasted the force close tx. diff --git a/itest/lnd_channel_force_close_test.go b/itest/lnd_channel_force_close_test.go index 592669f32c..7251421efd 100644 --- a/itest/lnd_channel_force_close_test.go +++ b/itest/lnd_channel_force_close_test.go @@ -389,7 +389,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // So we fetch the node's mempool to ensure it has been properly // broadcast. ht.MineEmptyBlocks(1) - sweepingTXID := ht.Miner.AssertNumTxsInMempool(1)[0] + sweepingTXID := ht.AssertNumTxsInMempool(1)[0] // Fetch the sweep transaction, all input it's spending should be from // the commitment transaction which was broadcast on-chain. @@ -547,7 +547,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // NOTE: after restart, all the htlc timeout txns will be offered to // the sweeper with `Immediate` set to true, so they won't be // aggregated. - htlcTxIDs := ht.Miner.AssertNumTxsInMempool(numInvoices) + htlcTxIDs := ht.AssertNumTxsInMempool(numInvoices) // Retrieve each htlc timeout txn from the mempool, and ensure it is // well-formed. This entails verifying that each only spends from @@ -733,7 +733,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, } // Wait for the single sweep txn to appear in the mempool. - htlcSweepTxID := ht.Miner.AssertNumTxsInMempool(1)[0] + htlcSweepTxID := ht.AssertNumTxsInMempool(1)[0] // Fetch the htlc sweep transaction from the mempool. htlcSweepTx := ht.Miner.GetRawTransaction(htlcSweepTxID) @@ -818,7 +818,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Generate the final block that sweeps all htlc funds into the user's // wallet, and make sure the sweep is in this block. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, htlcSweepTxID) + ht.AssertTxInBlock(block, htlcSweepTxID) // Now that the channel has been fully swept, it should no longer show // up within the pending channels RPC. @@ -935,7 +935,7 @@ func testFailingChannel(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(1) // Carol should have broadcast her sweeping tx. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Mine two blocks to confirm Carol's sweeping tx, which will by now // Alice's commit output should be offered to her sweeper. diff --git a/itest/lnd_funding_test.go b/itest/lnd_funding_test.go index 38ca71d92f..21b68f2cbd 100644 --- a/itest/lnd_funding_test.go +++ b/itest/lnd_funding_test.go @@ -859,7 +859,7 @@ func testChannelFundingPersistence(ht *lntest.HarnessTest) { // channel has been opened. The funding transaction should be found // within the newly mined block. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, fundingTxID) + ht.AssertTxInBlock(block, fundingTxID) // Get the height that our transaction confirmed at. _, height := ht.Miner.GetBestBlock() @@ -1047,7 +1047,7 @@ func testBatchChanFunding(ht *lntest.HarnessTest) { // Mine the batch transaction and check the network topology. block := ht.MineBlocksAndAssertNumTxes(6, 1)[0] - ht.Miner.AssertTxInBlock(block, txHash) + ht.AssertTxInBlock(block, txHash) ht.AssertTopologyChannelOpen(alice, chanPoint1) ht.AssertTopologyChannelOpen(alice, chanPoint2) ht.AssertTopologyChannelOpen(alice, chanPoint3) diff --git a/itest/lnd_misc_test.go b/itest/lnd_misc_test.go index 206d5748db..ba242ac8e6 100644 --- a/itest/lnd_misc_test.go +++ b/itest/lnd_misc_test.go @@ -416,7 +416,7 @@ func testMaxPendingChannels(ht *lntest.HarnessTest) { // Ensure that the funding transaction enters a block, and is // properly advertised by Alice. - ht.Miner.AssertTxInBlock(block, fundingTxID) + ht.AssertTxInBlock(block, fundingTxID) ht.AssertTopologyChannelOpen(alice, fundingChanPoint) // The channel should be listed in the peer information diff --git a/itest/lnd_multi-hop_test.go b/itest/lnd_multi-hop_test.go index 72f07c5ef0..93cf8f8639 100644 --- a/itest/lnd_multi-hop_test.go +++ b/itest/lnd_multi-hop_test.go @@ -246,7 +246,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, ht.MineBlocks(int(numBlocks)) // Bob's force close transaction should now be found in the mempool. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) op := ht.OutPointFromChannelPoint(bobChanPoint) closeTx := ht.Miner.AssertOutpointInMempool(op) @@ -276,7 +276,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, // 1. Bob's sweeping tx anchor sweep should now be found in the mempool. // 2. Bob's HTLC timeout tx sweep should now be found in the mempool. // Carol's anchor sweep should be failed due to output being dust. - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) htlcOutpoint := wire.OutPoint{Hash: closeTx.TxHash(), Index: 2} commitOutpoint := wire.OutPoint{Hash: closeTx.TxHash(), Index: 3} @@ -501,7 +501,7 @@ func runMultiHopReceiverChainClaim(ht *lntest.HarnessTest, // At this point, Carol should broadcast her active commitment // transaction in order to go to the chain and sweep her HTLC. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) closingTx := ht.Miner.AssertOutpointInMempool( ht.OutPointFromChannelPoint(bobChanPoint), @@ -526,7 +526,7 @@ func runMultiHopReceiverChainClaim(ht *lntest.HarnessTest, // scenarios, as we are using a wallet utxo, which means any txns using // that wallet utxo must pay more fees. On the other hand, there's no // way to remove that anchor-CPFP tx from the mempool. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // After the force close transaction is mined, Carol should offer her // second level HTLC tx to the sweeper, which means we should see two @@ -600,7 +600,7 @@ func runMultiHopReceiverChainClaim(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) // We should have a new transaction in the mempool. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Finally, if we mine an additional block to confirm Carol's second // level success transaction. Carol should not show a pending channel @@ -761,7 +761,7 @@ func runMultiHopLocalForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, ) txid := commitSweepTx.TxHash() block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &txid) + ht.AssertTxInBlock(block, &txid) blocksMined++ } @@ -789,7 +789,7 @@ func runMultiHopLocalForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, // Next, we'll mine an additional block. This should serve to confirm // the second layer timeout transaction. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &timeoutTx) + ht.AssertTxInBlock(block, &timeoutTx) // With the second layer timeout transaction confirmed, Bob should have // canceled backwards the HTLC that carol sent. @@ -1007,12 +1007,12 @@ func runMultiHopRemoteForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, // Bob's sweeping transaction should now be found in the mempool at // this point. - sweepTx := ht.Miner.AssertNumTxsInMempool(1)[0] + sweepTx := ht.AssertNumTxsInMempool(1)[0] // If we mine an additional block, then this should confirm Bob's // transaction which sweeps the direct HTLC output. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, sweepTx) + ht.AssertTxInBlock(block, sweepTx) // Now that the sweeping transaction has been confirmed, Bob should // cancel back that HTLC. As a result, Alice should not know of any @@ -1047,7 +1047,7 @@ func runMultiHopRemoteForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, ) bobCommitSweepTxid := bobCommitSweep.TxHash() block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &bobCommitSweepTxid) + ht.AssertTxInBlock(block, &bobCommitSweepTxid) } ht.AssertNumPendingForceClose(bob, 0) @@ -1191,7 +1191,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, blocksMined++ // Assert the expected num of txns are found in the mempool. - ht.Miner.AssertNumTxsInMempool(expectedTxes) + ht.AssertNumTxsInMempool(expectedTxes) // Mine a block to clean up the mempool for the rest of the test. ht.MineBlocksAndAssertNumTxes(1, expectedTxes) @@ -1215,7 +1215,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, ht.MineEmptyBlocks(int(numBlocks - blocksMined)) // Carol's commitment transaction should now be in the mempool. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Look up the closing transaction. It should be spending from the // funding transaction, @@ -1226,7 +1226,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, // Mine a block that should confirm the commit tx. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &closingTxid) + ht.AssertTxInBlock(block, &closingTxid) // After the force close transaction is mined, Carol should offer her // second-level success HTLC tx and anchor to the sweeper. @@ -1273,7 +1273,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) // Assert transactions can be found in the mempool. - ht.Miner.AssertNumTxsInMempool(expectedTxes) + ht.AssertNumTxsInMempool(expectedTxes) // At this point we suspend Alice to make sure she'll handle the // on-chain settle after a restart. @@ -1345,7 +1345,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, bobSecondLevelCSV-- // Carol's sweep tx should be broadcast. - carolSweep := ht.Miner.AssertNumTxsInMempool(1)[0] + carolSweep := ht.AssertNumTxsInMempool(1)[0] // Bob should offer his second level tx to his sweeper. ht.AssertNumPendingSweeps(bob, 1) @@ -1353,7 +1353,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, // Mining one additional block, Bob's second level tx is mature, and he // can sweep the output. block = ht.MineBlocksAndAssertNumTxes(bobSecondLevelCSV, 1)[0] - ht.Miner.AssertTxInBlock(block, carolSweep) + ht.AssertTxInBlock(block, carolSweep) bobSweep := ht.Miner.GetNumTxsFromMempool(1)[0] bobSweepTxid := bobSweep.TxHash() @@ -1362,7 +1362,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, // Now Bob should have no pending channels anymore, as this just // resolved it by the confirmation of the sweep transaction. block = ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &bobSweepTxid) + ht.AssertTxInBlock(block, &bobSweepTxid) // With the script-enforced lease commitment type, Alice and Bob still // haven't been able to sweep their respective commit outputs due to the @@ -1558,7 +1558,7 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, ht.MineEmptyBlocks(int(numBlocks) - blocksMined) // Carol's commitment transaction should now be in the mempool. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // The closing transaction should be spending from the funding // transaction. @@ -1574,7 +1574,7 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, // Mine a block, which should contain: the commitment. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &closingTxid) + ht.AssertTxInBlock(block, &closingTxid) // After the force close transaction is mined, Carol should offer her // second level HTLC tx to the sweeper, along with her anchor output. @@ -1612,7 +1612,7 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, // anchor sweeping. ht.MineBlocksAndAssertNumTxes(1, 1) carolSecondLevelCSV-- - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) // Mine a block to confirm the expected transactions. ht.MineBlocksAndAssertNumTxes(1, 2) @@ -1633,7 +1633,7 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, // We'll now mine a block which should confirm Bob's HTLC sweep // transaction. block = ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &bobHtlcSweepTxid) + ht.AssertTxInBlock(block, &bobHtlcSweepTxid) carolSecondLevelCSV-- // Now that the sweeping transaction has been confirmed, Bob should now @@ -1656,12 +1656,12 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, // Mine a block to trigger the sweep of the second level tx. ht.MineEmptyBlocks(1) - carolSweep := ht.Miner.AssertNumTxsInMempool(1)[0] + carolSweep := ht.AssertNumTxsInMempool(1)[0] // When Carol's sweep gets confirmed, she should have no more pending // channels. block = ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, carolSweep) + ht.AssertTxInBlock(block, carolSweep) ht.AssertNumPendingForceClose(carol, 0) // With the script-enforced lease commitment type, Alice and Bob still @@ -1881,7 +1881,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, // Bob's force close transaction should now be found in the mempool. If // there are anchors, we expect it to be offered to Bob's sweeper. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Bob has two anchor sweep requests, one for remote (invalid) and the // other for local. @@ -1925,7 +1925,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, ht.MineBlocksAndAssertNumTxes(1, 1) // The above mined block will trigger Bob to sweep his anchor output. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Let Alice settle her invoices. When Bob now gets the preimages, he // has no other option than to broadcast his second-level transactions @@ -2162,7 +2162,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, // level sweep. Now Bob should have no pending channels anymore, as // this just resolved it by the confirmation of the sweep transaction. block := ht.MineBlocksAndAssertNumTxes(1, numExpected)[0] - ht.Miner.AssertTxInBlock(block, &bobSweep) + ht.AssertTxInBlock(block, &bobSweep) // For leased channels, we need to mine one more block to confirm Bob's // commit output sweep. @@ -2441,7 +2441,7 @@ func runExtraPreimageFromRemoteCommit(ht *lntest.HarnessTest, // Mine a block to trigger the sweep, and clean up the anchor sweeping // tx. ht.MineBlocksAndAssertNumTxes(1, 1) - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Restart Bob. Once he finishes syncing the channel state, he should // notice the force close from Carol. @@ -2457,7 +2457,7 @@ func runExtraPreimageFromRemoteCommit(ht *lntest.HarnessTest, // We should now have Carol's htlc success tx in the mempool. numTxesMempool := 1 - ht.Miner.AssertNumTxsInMempool(numTxesMempool) + ht.AssertNumTxsInMempool(numTxesMempool) // For neutrino backend, the timeout resolver needs to extract the // preimage from the blocks. @@ -2667,15 +2667,15 @@ func runExtraPreimageFromLocalCommit(ht *lntest.HarnessTest, switch c { case lnrpc.CommitmentType_LEGACY: htlcOutpoint.Index = 0 - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) case lnrpc.CommitmentType_ANCHORS, lnrpc.CommitmentType_SIMPLE_TAPROOT: htlcOutpoint.Index = 2 - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) case lnrpc.CommitmentType_SCRIPT_ENFORCED_LEASE: htlcOutpoint.Index = 2 - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) } // Get the current height to compute number of blocks to mine to diff --git a/itest/lnd_nonstd_sweep_test.go b/itest/lnd_nonstd_sweep_test.go index a85fbc786a..6285fbdd6a 100644 --- a/itest/lnd_nonstd_sweep_test.go +++ b/itest/lnd_nonstd_sweep_test.go @@ -96,7 +96,7 @@ func testNonStdSweepInner(ht *lntest.HarnessTest, address string) { carol.RPC.SendCoins(sendReq) // Fetch the txid so we can grab the raw transaction. - txid := ht.Miner.AssertNumTxsInMempool(1)[0] + txid := ht.AssertNumTxsInMempool(1)[0] tx := ht.Miner.GetRawTransaction(txid) msgTx := tx.MsgTx() diff --git a/itest/lnd_onchain_test.go b/itest/lnd_onchain_test.go index e66fc1b4d2..92b1ec66bd 100644 --- a/itest/lnd_onchain_test.go +++ b/itest/lnd_onchain_test.go @@ -717,7 +717,7 @@ func testRemoveTx(ht *lntest.HarnessTest) { TargetConf: 6, } alice.RPC.SendCoins(sendReq) - txID := ht.Miner.AssertNumTxsInMempool(1)[0] + txID := ht.AssertNumTxsInMempool(1)[0] // Make sure the unspent number of utxos is 2 and the unconfirmed // balances add up. @@ -767,7 +767,7 @@ func testRemoveTx(ht *lntest.HarnessTest) { // shows up in alice's wallet although we removed the transaction from // the wallet when it was unconfirmed. block := ht.Miner.MineBlocks(1)[0] - ht.Miner.AssertTxInBlock(block, txID) + ht.AssertTxInBlock(block, txID) // Verify that alice has 2 confirmed unspent utxos in her default // wallet. @@ -861,7 +861,7 @@ func testListSweeps(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(1) // Now we can expect that the sweep has been broadcast. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // List all unconfirmed sweeps that alice's node had broadcast. sweepResp := alice.RPC.ListSweeps(false, -1) diff --git a/itest/lnd_open_channel_test.go b/itest/lnd_open_channel_test.go index 2ef4267666..04179d1cf1 100644 --- a/itest/lnd_open_channel_test.go +++ b/itest/lnd_open_channel_test.go @@ -45,7 +45,7 @@ func testOpenChannelAfterReorg(ht *lntest.HarnessTest) { // Wait for miner to have seen the funding tx. The temporary miner is // disconnected, and won't see the transaction. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // At this point, the channel's funding transaction will have been // broadcast, but not confirmed, and the channel should be pending. @@ -59,7 +59,7 @@ func testOpenChannelAfterReorg(ht *lntest.HarnessTest) { // channel on the original miner's chain, which should be considered // open. block := ht.MineBlocksAndAssertNumTxes(10, 1)[0] - ht.Miner.AssertTxInBlock(block, fundingTxID) + ht.AssertTxInBlock(block, fundingTxID) _, err = tempMiner.Client.Generate(15) require.NoError(ht, err, "unable to generate blocks") @@ -115,7 +115,7 @@ func testOpenChannelAfterReorg(ht *lntest.HarnessTest) { // Cleanup by mining the funding tx again, then closing the channel. block = ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, fundingTxID) + ht.AssertTxInBlock(block, fundingTxID) ht.CloseChannel(alice, chanPoint) } diff --git a/itest/lnd_psbt_test.go b/itest/lnd_psbt_test.go index 2d41185999..fe3e3a1d6e 100644 --- a/itest/lnd_psbt_test.go +++ b/itest/lnd_psbt_test.go @@ -261,7 +261,7 @@ func runPsbtChanFunding(ht *lntest.HarnessTest, carol, dave *node.HarnessNode, } // No transaction should have been published yet. - ht.Miner.AssertNumTxsInMempool(0) + ht.AssertNumTxsInMempool(0) // Let's progress the second channel now. This time we'll use the raw // wire format transaction directly. @@ -295,7 +295,7 @@ func runPsbtChanFunding(ht *lntest.HarnessTest, carol, dave *node.HarnessNode, txHash := finalTx.TxHash() block := ht.MineBlocksAndAssertNumTxes(6, 1)[0] - ht.Miner.AssertTxInBlock(block, &txHash) + ht.AssertTxInBlock(block, &txHash) ht.AssertTopologyChannelOpen(carol, chanPoint) ht.AssertTopologyChannelOpen(carol, chanPoint2) @@ -456,7 +456,7 @@ func runPsbtChanFundingExternal(ht *lntest.HarnessTest, carol, finalizeRes := alice.RPC.FinalizePsbt(finalizeReq) // No transaction should have been published yet. - ht.Miner.AssertNumTxsInMempool(0) + ht.AssertNumTxsInMempool(0) // Great, now let's publish the final raw transaction. var finalTx wire.MsgTx @@ -470,7 +470,7 @@ func runPsbtChanFundingExternal(ht *lntest.HarnessTest, carol, // Now we can mine a block to get the transaction confirmed, then wait // for the new channel to be propagated through the network. block := ht.MineBlocksAndAssertNumTxes(6, 1)[0] - ht.Miner.AssertTxInBlock(block, &txHash) + ht.AssertTxInBlock(block, &txHash) ht.AssertTopologyChannelOpen(carol, chanPoint) ht.AssertTopologyChannelOpen(carol, chanPoint2) @@ -627,7 +627,7 @@ func runPsbtChanFundingSingleStep(ht *lntest.HarnessTest, carol, txHash := finalTx.TxHash() block := ht.MineBlocksAndAssertNumTxes(6, 1)[0] - ht.Miner.AssertTxInBlock(block, &txHash) + ht.AssertTxInBlock(block, &txHash) ht.AssertTopologyChannelOpen(carol, chanPoint) // Next, to make sure the channel functions as normal, we'll make some @@ -1326,7 +1326,7 @@ func extractPublishAndMine(ht *lntest.HarnessTest, node *node.HarnessNode, // Mine one block which should contain two transactions. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] txHash := finalTx.TxHash() - ht.Miner.AssertTxInBlock(block, &txHash) + ht.AssertTxInBlock(block, &txHash) return finalTx } @@ -1432,8 +1432,8 @@ func assertPsbtSpend(ht *lntest.HarnessTest, alice *node.HarnessNode, block := ht.MineBlocksAndAssertNumTxes(1, 2)[0] firstTxHash := prevTx.TxHash() secondTxHash := finalTx.TxHash() - ht.Miner.AssertTxInBlock(block, &firstTxHash) - ht.Miner.AssertTxInBlock(block, &secondTxHash) + ht.AssertTxInBlock(block, &firstTxHash) + ht.AssertTxInBlock(block, &secondTxHash) } // assertPsbtFundSignSpend funds a PSBT from the internal wallet and then @@ -1794,7 +1794,7 @@ func testPsbtChanFundingWithUnstableUtxos(ht *lntest.HarnessTest) { txHash := finalTx.TxHash() block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &txHash) + ht.AssertTxInBlock(block, &txHash) // Now we do the same but instead use preselected utxos to verify that // these utxos respects the utxo restrictions on sweeper unconfirmed @@ -1941,7 +1941,7 @@ func testPsbtChanFundingWithUnstableUtxos(ht *lntest.HarnessTest) { txHash = finalTx.TxHash() block = ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, &txHash) + ht.AssertTxInBlock(block, &txHash) ht.CloseChannel(carol, channelPoint3) } diff --git a/itest/lnd_recovery_test.go b/itest/lnd_recovery_test.go index 020c44fa48..1bb3eded7c 100644 --- a/itest/lnd_recovery_test.go +++ b/itest/lnd_recovery_test.go @@ -260,11 +260,11 @@ func testOnchainFundRecovery(ht *lntest.HarnessTest) { } resp := node.RPC.SendCoins(req) - txid := ht.Miner.AssertNumTxsInMempool(1)[0] + txid := ht.AssertNumTxsInMempool(1)[0] require.Equal(ht, txid.String(), resp.Txid) block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, txid) + ht.AssertTxInBlock(block, txid) } restoreCheckBalance(finalBalance, 9, 20, promptChangeAddr) @@ -428,7 +428,7 @@ func testRescanAddressDetection(ht *lntest.HarnessTest) { }) // Wait until the spending tx is found and mine a block to confirm it. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) ht.MineBlocks(1) // The wallet should still just see a single UTXO of the change output diff --git a/itest/lnd_revocation_test.go b/itest/lnd_revocation_test.go index be87d8a75e..56260c7d15 100644 --- a/itest/lnd_revocation_test.go +++ b/itest/lnd_revocation_test.go @@ -122,7 +122,7 @@ func breachRetributionTestCase(ht *lntest.HarnessTest, // update, then ensure that the closing transaction was included in the // block. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] - ht.Miner.AssertTxInBlock(block, breachTXID) + ht.AssertTxInBlock(block, breachTXID) // Construct to_remote output which pays to Bob. Based on the output // ordering, the first output in this breach tx is the to_remote @@ -174,7 +174,7 @@ func breachRetributionTestCase(ht *lntest.HarnessTest, // transaction which was just accepted into the mempool. block = ht.MineBlocksAndAssertNumTxes(1, 1)[0] justiceTxid := justiceTx.TxHash() - ht.Miner.AssertTxInBlock(block, &justiceTxid) + ht.AssertTxInBlock(block, &justiceTxid) ht.AssertNodeNumChannels(carol, 0) @@ -363,7 +363,7 @@ func revokedCloseRetributionZeroValueRemoteOutputCase(ht *lntest.HarnessTest, // transaction which was just accepted into the mempool. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] justiceTxid := justiceTx.TxHash() - ht.Miner.AssertTxInBlock(block, &justiceTxid) + ht.AssertTxInBlock(block, &justiceTxid) // At this point, Dave should have no pending channels. ht.AssertNodeNumChannels(dave, 0) @@ -559,7 +559,7 @@ func revokedCloseRetributionRemoteHodlCase(ht *lntest.HarnessTest, breachTXID := ht.WaitForChannelCloseEvent(closeUpdates) require.Equal(ht, closeTxID[:], breachTXID[:], "expected breach ID to be equal to close ID") - ht.Miner.AssertTxInBlock(block, breachTXID) + ht.AssertTxInBlock(block, breachTXID) // Query the mempool for Dave's justice transaction, this should be // broadcast as Carol's contract breaching transaction gets confirmed diff --git a/itest/lnd_signer_test.go b/itest/lnd_signer_test.go index 23773eb71d..bf9033cad8 100644 --- a/itest/lnd_signer_test.go +++ b/itest/lnd_signer_test.go @@ -296,7 +296,7 @@ func assertSignOutputRaw(ht *lntest.HarnessTest, alice.RPC.SendCoins(req) // Wait until the TX is found in the mempool. - txid := ht.Miner.AssertNumTxsInMempool(1)[0] + txid := ht.AssertNumTxsInMempool(1)[0] targetOutputIndex := ht.GetOutputIndex(txid, targetAddr.String()) @@ -359,7 +359,7 @@ func assertSignOutputRaw(ht *lntest.HarnessTest, }) // Wait until the spending tx is found. - txid = ht.Miner.AssertNumTxsInMempool(1)[0] + txid = ht.AssertNumTxsInMempool(1)[0] p2wkhOutputIndex := ht.GetOutputIndex(txid, p2wkhAdrr.String()) op := &lnrpc.OutPoint{ diff --git a/itest/lnd_sweep_test.go b/itest/lnd_sweep_test.go index 75b69084ce..48cafcff8f 100644 --- a/itest/lnd_sweep_test.go +++ b/itest/lnd_sweep_test.go @@ -266,7 +266,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // We expect to see two txns in the mempool, // - Bob's force close tx. // - Bob's anchor sweep tx. - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) // We expect the fees to increase by i*delta. expectedFee := startFeeAnchor + feeDelta.MulF64(float64(i)) @@ -887,7 +887,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { ht.AssertNumPendingSweeps(bob, 2) // Assert Bob's force closing tx has been broadcast. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Mine the force close tx, which triggers Bob's contractcourt to offer // his outgoing HTLC to his sweeper. @@ -982,7 +982,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { outgoingFuncPosition++ // We should see Bob's sweeping tx in the mempool. - ht.Miner.AssertNumTxsInMempool(1) + ht.AssertNumTxsInMempool(1) // Make sure Bob's old sweeping tx has been removed from the // mempool. @@ -1156,7 +1156,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // We should see two txns in the mempool, // - the incoming HTLC sweeping tx. // - the outgoing HTLC sweeping tx. - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) // Make sure Bob's old sweeping txns have been removed from the // mempool. @@ -1600,7 +1600,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // We expect to see both Alice's and Bob's sweeping txns in the // mempool. - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) // Make sure Alice's old sweeping tx has been removed from the // mempool. @@ -1687,7 +1687,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // We expect to see both Alice's and Bob's sweeping txns in the // mempool. - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) // Make sure Alice's old sweeping tx has been removed from the // mempool. diff --git a/itest/lnd_taproot_test.go b/itest/lnd_taproot_test.go index 3b5cb4799a..3bc642289f 100644 --- a/itest/lnd_taproot_test.go +++ b/itest/lnd_taproot_test.go @@ -107,7 +107,7 @@ func testTaprootSendCoinsKeySpendBip86(ht *lntest.HarnessTest, TargetConf: 6, }) - txid := ht.Miner.AssertNumTxsInMempool(1)[0] + txid := ht.AssertNumTxsInMempool(1)[0] // Wait until bob has seen the tx and considers it as owned. p2trOutputIndex := ht.GetOutputIndex(txid, p2trResp.Address) @@ -162,7 +162,7 @@ func testTaprootComputeInputScriptKeySpendBip86(ht *lntest.HarnessTest, alice.RPC.SendCoins(req) // Wait until bob has seen the tx and considers it as owned. - txid := ht.Miner.AssertNumTxsInMempool(1)[0] + txid := ht.AssertNumTxsInMempool(1)[0] p2trOutputIndex := ht.GetOutputIndex(txid, p2trAddr.String()) op := &lnrpc.OutPoint{ TxidBytes: txid[:], @@ -1413,7 +1413,7 @@ func clearWalletImportedTapscriptBalance(ht *lntest.HarnessTest, // Mine one block which should contain the sweep transaction. block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] sweepTxHash := sweepTx.TxHash() - ht.Miner.AssertTxInBlock(block, &sweepTxHash) + ht.AssertTxInBlock(block, &sweepTxHash) } // testScriptHashLock returns a simple bitcoin script that locks the funds to @@ -1481,7 +1481,7 @@ func sendToTaprootOutput(ht *lntest.HarnessTest, hn *node.HarnessNode, hn.RPC.SendCoins(req) // Wait until the TX is found in the mempool. - txid := ht.Miner.AssertNumTxsInMempool(1)[0] + txid := ht.AssertNumTxsInMempool(1)[0] p2trOutputIndex := ht.GetOutputIndex(txid, tapScriptAddr.String()) p2trOutpoint := wire.OutPoint{ Hash: *txid, @@ -1592,7 +1592,7 @@ func confirmAddress(ht *lntest.HarnessTest, hn *node.HarnessNode, addrString string) { // Wait until the tx that sends to the address is found. - txid := ht.Miner.AssertNumTxsInMempool(1)[0] + txid := ht.AssertNumTxsInMempool(1)[0] // Wait until bob has seen the tx and considers it as owned. addrOutputIndex := ht.GetOutputIndex(txid, addrString) diff --git a/itest/lnd_wallet_import_test.go b/itest/lnd_wallet_import_test.go index 2d41da893b..b9cce9f1e5 100644 --- a/itest/lnd_wallet_import_test.go +++ b/itest/lnd_wallet_import_test.go @@ -372,7 +372,7 @@ func fundChanAndCloseFromImportedAccount(ht *lntest.HarnessTest, srcNode, ) block := ht.MineBlocksAndAssertNumTxes(6, 1)[0] - ht.Miner.AssertTxInBlock(block, txHash) + ht.AssertTxInBlock(block, txHash) confBalanceAfterChan += chanChangeUtxoAmt ht.AssertWalletAccountBalance(srcNode, account, 0, 0) @@ -389,7 +389,7 @@ func fundChanAndCloseFromImportedAccount(ht *lntest.HarnessTest, srcNode, ) block := ht.MineBlocksAndAssertNumTxes(6, 1)[0] - ht.Miner.AssertTxInBlock(block, txHash) + ht.AssertTxInBlock(block, txHash) confBalanceAfterChan += chanChangeUtxoAmt ht.AssertWalletAccountBalance( diff --git a/itest/lnd_watchtower_test.go b/itest/lnd_watchtower_test.go index c64b1e43ae..ab724c0b6b 100644 --- a/itest/lnd_watchtower_test.go +++ b/itest/lnd_watchtower_test.go @@ -502,7 +502,7 @@ func testRevokedCloseRetributionAltruistWatchtowerCase(ht *lntest.HarnessTest, block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] breachTXID := ht.WaitForChannelCloseEvent(closeUpdates) - ht.Miner.AssertTxInBlock(block, breachTXID) + ht.AssertTxInBlock(block, breachTXID) // The breachTXID should match the above closeTxID. require.EqualValues(ht, breachTXID, closeTxID) @@ -510,7 +510,7 @@ func testRevokedCloseRetributionAltruistWatchtowerCase(ht *lntest.HarnessTest, // Query the mempool for Dave's justice transaction, this should be // broadcast as Carol's contract breaching transaction gets confirmed // above. - justiceTXID := ht.Miner.AssertNumTxsInMempool(1)[0] + justiceTXID := ht.AssertNumTxsInMempool(1)[0] // Query for the mempool transaction found above. Then assert that all // the inputs of this transaction are spending outputs generated by diff --git a/itest/lnd_zero_conf_test.go b/itest/lnd_zero_conf_test.go index a02e5c0063..eb253e4dd4 100644 --- a/itest/lnd_zero_conf_test.go +++ b/itest/lnd_zero_conf_test.go @@ -110,7 +110,7 @@ func testZeroConfChannelOpen(ht *lntest.HarnessTest) { fundingTxID := ht.GetChanPointFundingTxid(fundingPoint2) - ht.Miner.AssertTxInBlock(block, fundingTxID) + ht.AssertTxInBlock(block, fundingTxID) daveInvoiceResp3 := dave.RPC.AddInvoice(daveInvoiceParams) ht.CompletePaymentRequests( @@ -159,7 +159,7 @@ func testZeroConfChannelOpen(ht *lntest.HarnessTest) { block = ht.MineBlocksAndAssertNumTxes(6, 1)[0] fundingTxID = ht.GetChanPointFundingTxid(fundingPoint3) - ht.Miner.AssertTxInBlock(block, fundingTxID) + ht.AssertTxInBlock(block, fundingTxID) // Wait until Eve's ZeroConf channel is replaced by the confirmed SCID // in her graph. diff --git a/lntest/harness.go b/lntest/harness.go index 6e8476c412..a2e5caf7e6 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -1193,7 +1193,7 @@ func (h *HarnessTest) openChannel(alice, bob *node.HarnessNode, // Check that the funding tx is found in the first block. fundingTxID := h.GetChanPointFundingTxid(fundingChanPoint) - h.Miner.AssertTxInBlock(block, fundingTxID) + h.AssertTxInBlock(block, fundingTxID) // Check that both alice and bob have seen the channel from their // network topology. diff --git a/lntest/harness_assertion.go b/lntest/harness_assertion.go index f3d8244ed6..e1e3aeead9 100644 --- a/lntest/harness_assertion.go +++ b/lntest/harness_assertion.go @@ -656,7 +656,7 @@ func (h *HarnessTest) AssertStreamChannelCoopClosed(hn *node.HarnessNode, // Consume one close event and assert the closing txid can be found in // the block. closingTxid := h.WaitForChannelCloseEvent(stream) - h.Miner.AssertTxInBlock(block, closingTxid) + h.AssertTxInBlock(block, closingTxid) // We should see zero waiting close channels now. h.AssertNumWaitingClose(hn, 0) @@ -700,7 +700,7 @@ func (h *HarnessTest) AssertStreamChannelForceClosed(hn *node.HarnessNode, // Consume one close event and assert the closing txid can be found in // the block. closingTxid := h.WaitForChannelCloseEvent(stream) - h.Miner.AssertTxInBlock(block, closingTxid) + h.AssertTxInBlock(block, closingTxid) // We should see zero waiting close channels and 1 pending force close // channels now. @@ -2564,7 +2564,7 @@ func (h *HarnessTest) AssertClosingTxInMempool(cp *lnrpc.ChannelPoint, } // Wait for the expected txes to be found in the mempool. - h.Miner.AssertNumTxsInMempool(expectedTxes) + h.AssertNumTxsInMempool(expectedTxes) // Get the closing tx from the mempool. op := h.OutPointFromChannelPoint(cp) @@ -2578,7 +2578,7 @@ func (h *HarnessTest) AssertClosingTxInMempool(cp *lnrpc.ChannelPoint, // will assert the anchor sweep tx is also in the mempool. func (h *HarnessTest) MineClosingTx(cp *lnrpc.ChannelPoint) *wire.MsgTx { // Wait for the expected txes to be found in the mempool. - h.Miner.AssertNumTxsInMempool(1) + h.AssertNumTxsInMempool(1) // Get the closing tx from the mempool. op := h.OutPointFromChannelPoint(cp) diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 5be0cf5026..9d4dd99d6b 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -4,6 +4,7 @@ import ( "fmt" "github.com/btcsuite/btcd/blockchain" + "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntest/wait" @@ -177,3 +178,17 @@ func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { require.NoErrorf(h, err, "assert force close resolved timeout") } + +// AssertNumTxsInMempool polls until finding the desired number of transactions +// in the provided miner's mempool. It will asserrt if this number is not met +// after the given timeout. +func (h *HarnessTest) AssertNumTxsInMempool(n int) []*chainhash.Hash { + return h.Miner.AssertNumTxsInMempool(n) +} + +// AssertTxInBlock asserts that a given txid can be found in the passed block. +func (h *HarnessTest) AssertTxInBlock(block *wire.MsgBlock, + txid *chainhash.Hash) { + + h.Miner.AssertTxInBlock(block, txid) +} From 6bd8baea38fbc00c52c4f057e6ba37179e6ffabd Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 1 May 2024 19:40:05 +0800 Subject: [PATCH 126/343] lntest+itest: continue removing direct call to `Miner` --- itest/lnd_channel_backup_test.go | 2 +- itest/lnd_channel_force_close_test.go | 12 ++--- itest/lnd_channel_graph_test.go | 2 +- itest/lnd_coop_close_with_htlcs_test.go | 2 +- itest/lnd_funding_test.go | 2 +- itest/lnd_hold_invoice_force_test.go | 2 +- itest/lnd_multi-hop_test.go | 62 ++++++++++++------------- itest/lnd_onchain_test.go | 10 ++-- itest/lnd_rest_api_test.go | 4 +- itest/lnd_revocation_test.go | 4 +- itest/lnd_routing_test.go | 2 +- itest/lnd_sweep_test.go | 54 ++++++++++----------- itest/lnd_taproot_test.go | 4 +- itest/lnd_test.go | 2 +- itest/lnd_zero_conf_test.go | 2 +- lntest/harness.go | 6 +-- lntest/harness_assertion.go | 4 +- lntest/harness_miner.go | 41 ++++++++++++++-- 18 files changed, 124 insertions(+), 93 deletions(-) diff --git a/itest/lnd_channel_backup_test.go b/itest/lnd_channel_backup_test.go index 28f9569096..283cd4090c 100644 --- a/itest/lnd_channel_backup_test.go +++ b/itest/lnd_channel_backup_test.go @@ -624,7 +624,7 @@ func runChanRestoreScenarioCommitTypes(ht *lntest.HarnessTest, var fundingShim *lnrpc.FundingShim if ct == lnrpc.CommitmentType_SCRIPT_ENFORCED_LEASE { - _, minerHeight := ht.Miner.GetBestBlock() + _, minerHeight := ht.GetBestBlock() thawHeight := uint32(minerHeight + thawHeightDelta) fundingShim, _ = deriveFundingShim( diff --git a/itest/lnd_channel_force_close_test.go b/itest/lnd_channel_force_close_test.go index 7251421efd..7284a315eb 100644 --- a/itest/lnd_channel_force_close_test.go +++ b/itest/lnd_channel_force_close_test.go @@ -160,7 +160,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Fetch starting height of this test so we can compute the block // heights we expect certain events to take place. - _, curHeight := ht.Miner.GetBestBlock() + _, curHeight := ht.GetBestBlock() // Using the current height of the chain, derive the relevant heights // for incubating two-stage htlcs. @@ -214,7 +214,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, ht.AssertNumUTXOs(alice, expectedUtxos) // We expect to see Alice's force close tx in the mempool. - ht.Miner.GetNumTxsFromMempool(1) + ht.GetNumTxsFromMempool(1) // Mine a block which should confirm the commitment transaction // broadcast as a result of the force closure. Once mined, we also @@ -278,7 +278,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Carol's sweep tx should be in the mempool already, as her output is // not timelocked. - carolTx := ht.Miner.GetNumTxsFromMempool(1)[0] + carolTx := ht.GetNumTxsFromMempool(1)[0] // Carol's sweeping tx should have 2-input-1-output shape. require.Len(ht, carolTx.TxIn, 2) @@ -431,7 +431,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, ht.MineBlocksAndAssertNumTxes(1, 1) // Update current height - _, curHeight = ht.Miner.GetBestBlock() + _, curHeight = ht.GetBestBlock() // checkForceClosedChannelNumHtlcs verifies that a force closed channel // has the proper number of htlcs. @@ -485,7 +485,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // number of blocks we have generated since adding it to the nursery, // and take an additional block off so that we end up one block shy of // the expiry height, and add the block padding. - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() cltvHeightDelta := int(htlcExpiryHeight - uint32(currentHeight) - 1) // Advance the blockchain until just before the CLTV expires, nothing @@ -662,7 +662,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Advance the chain until just before the 2nd-layer CSV delays expire. // For anchor channels this is one block earlier. - _, currentHeight = ht.Miner.GetBestBlock() + _, currentHeight = ht.GetBestBlock() ht.Logf("current height: %v, htlcCsvMaturityHeight=%v", currentHeight, htlcCsvMaturityHeight) numBlocks := int(htlcCsvMaturityHeight - uint32(currentHeight) - 2) diff --git a/itest/lnd_channel_graph_test.go b/itest/lnd_channel_graph_test.go index 73a9266b70..96f6f3cfb1 100644 --- a/itest/lnd_channel_graph_test.go +++ b/itest/lnd_channel_graph_test.go @@ -316,7 +316,7 @@ func testGraphTopologyNtfns(ht *lntest.HarnessTest, pinned bool) { ht.AssertNumNodeAnns(alice, alice.PubKeyStr, 1) ht.AssertNumNodeAnns(alice, bob.PubKeyStr, 1) - _, blockHeight := ht.Miner.GetBestBlock() + _, blockHeight := ht.GetBestBlock() // Now we'll test that updates are properly sent after channels are // closed within the network. diff --git a/itest/lnd_coop_close_with_htlcs_test.go b/itest/lnd_coop_close_with_htlcs_test.go index 50f1a3401d..56f9e801b0 100644 --- a/itest/lnd_coop_close_with_htlcs_test.go +++ b/itest/lnd_coop_close_with_htlcs_test.go @@ -117,7 +117,7 @@ func coopCloseWithHTLCs(ht *lntest.HarnessTest) { ) // Wait for the close tx to be in the Mempool. - ht.Miner.AssertTxInMempool(&closeTxid) + ht.AssertTxInMempool(&closeTxid) // Wait for it to get mined and finish tearing down. ht.AssertStreamChannelCoopClosed(alice, chanPoint, false, closeClient) diff --git a/itest/lnd_funding_test.go b/itest/lnd_funding_test.go index 21b68f2cbd..de785c4552 100644 --- a/itest/lnd_funding_test.go +++ b/itest/lnd_funding_test.go @@ -862,7 +862,7 @@ func testChannelFundingPersistence(ht *lntest.HarnessTest) { ht.AssertTxInBlock(block, fundingTxID) // Get the height that our transaction confirmed at. - _, height := ht.Miner.GetBestBlock() + _, height := ht.GetBestBlock() // Restart both nodes to test that the appropriate state has been // persisted and that both nodes recover gracefully. diff --git a/itest/lnd_hold_invoice_force_test.go b/itest/lnd_hold_invoice_force_test.go index d4a70ee6bc..6a670175c9 100644 --- a/itest/lnd_hold_invoice_force_test.go +++ b/itest/lnd_hold_invoice_force_test.go @@ -59,7 +59,7 @@ func testHoldInvoiceForceClose(ht *lntest.HarnessTest) { require.Len(ht, channel.PendingHtlcs, 1) activeHtlc := channel.PendingHtlcs[0] - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() // Now we will mine blocks until the htlc expires, and wait for each // node to sync to our latest height. Sanity check that we won't diff --git a/itest/lnd_multi-hop_test.go b/itest/lnd_multi-hop_test.go index 93cf8f8639..39d7672a99 100644 --- a/itest/lnd_multi-hop_test.go +++ b/itest/lnd_multi-hop_test.go @@ -248,7 +248,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, // Bob's force close transaction should now be found in the mempool. ht.AssertNumTxsInMempool(1) op := ht.OutPointFromChannelPoint(bobChanPoint) - closeTx := ht.Miner.AssertOutpointInMempool(op) + closeTx := ht.AssertOutpointInMempool(op) // Bob's anchor output should be offered to his sweep since Bob has // time-sensitive HTLCs - we expect both anchors are offered. @@ -280,7 +280,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, htlcOutpoint := wire.OutPoint{Hash: closeTx.TxHash(), Index: 2} commitOutpoint := wire.OutPoint{Hash: closeTx.TxHash(), Index: 3} - htlcTimeoutTxid := ht.Miner.AssertOutpointInMempool( + htlcTimeoutTxid := ht.AssertOutpointInMempool( htlcOutpoint, ).TxHash() @@ -330,7 +330,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, ht.AssertNumPendingSweeps(bob, 2) // Assert that the HTLC timeout tx is now in the mempool. - ht.Miner.AssertOutpointInMempool(htlcTimeoutOutpoint) + ht.AssertOutpointInMempool(htlcTimeoutOutpoint) // We now wait for 30 seconds to overcome the flake - there's a // block race between contractcourt and sweeper, causing the @@ -363,7 +363,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, pendingChanResp := bob.RPC.PendingChannels() if len(pendingChanResp.PendingForceClosingChannels) != 0 { // Check that the sweep spends the expected inputs. - ht.Miner.AssertOutpointInMempool(commitOutpoint) + ht.AssertOutpointInMempool(commitOutpoint) ht.MineBlocksAndAssertNumTxes(1, 1) } } else { @@ -381,14 +381,14 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) // Check that the sweep spends from the mined commitment. - ht.Miner.AssertOutpointInMempool(commitOutpoint) + ht.AssertOutpointInMempool(commitOutpoint) // Mine one more block to trigger the timeout path. ht.MineBlocksAndAssertNumTxes(1, 1) // Bob's sweeper should now broadcast his second layer sweep // due to the CSV on the HTLC timeout output. - ht.Miner.AssertOutpointInMempool(htlcTimeoutOutpoint) + ht.AssertOutpointInMempool(htlcTimeoutOutpoint) // Next, we'll mine a final block that should confirm the // sweeping transactions left. @@ -503,7 +503,7 @@ func runMultiHopReceiverChainClaim(ht *lntest.HarnessTest, // transaction in order to go to the chain and sweep her HTLC. ht.AssertNumTxsInMempool(1) - closingTx := ht.Miner.AssertOutpointInMempool( + closingTx := ht.AssertOutpointInMempool( ht.OutPointFromChannelPoint(bobChanPoint), ) closingTxid := closingTx.TxHash() @@ -572,7 +572,7 @@ func runMultiHopReceiverChainClaim(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) // All transactions should be spending from the commitment transaction. - txes := ht.Miner.GetNumTxsFromMempool(expectedTxes) + txes := ht.GetNumTxsFromMempool(expectedTxes) ht.AssertAllTxesSpendFrom(txes, closingTxid) // We'll now mine an additional block which should confirm both the @@ -644,7 +644,7 @@ func runMultiHopReceiverChainClaim(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) commitOutpoint := wire.OutPoint{Hash: closingTxid, Index: 3} - ht.Miner.AssertOutpointInMempool(commitOutpoint) + ht.AssertOutpointInMempool(commitOutpoint) ht.MineBlocksAndAssertNumTxes(1, 1) } @@ -756,7 +756,7 @@ func runMultiHopLocalForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) blocksMined++ - commitSweepTx := ht.Miner.AssertOutpointInMempool( + commitSweepTx := ht.AssertOutpointInMempool( bobCommitOutpoint, ) txid := commitSweepTx.TxHash() @@ -784,7 +784,7 @@ func runMultiHopLocalForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, // We should also now find a transaction in the mempool, as Bob should // have broadcast his second layer timeout transaction. - timeoutTx := ht.Miner.AssertOutpointInMempool(htlcOutpoint).TxHash() + timeoutTx := ht.AssertOutpointInMempool(htlcOutpoint).TxHash() // Next, we'll mine an additional block. This should serve to confirm // the second layer timeout transaction. @@ -837,7 +837,7 @@ func runMultiHopLocalForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, // Assert the sweeping tx is found in the mempool. htlcTimeoutOutpoint := wire.OutPoint{Hash: timeoutTx, Index: 0} - ht.Miner.AssertOutpointInMempool(htlcTimeoutOutpoint) + ht.AssertOutpointInMempool(htlcTimeoutOutpoint) // Mine a block to confirm the sweep. ht.MineBlocksAndAssertNumTxes(1, numExpected) @@ -1042,7 +1042,7 @@ func runMultiHopRemoteForceCloseOnChainHtlcTimeout(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) bobCommitOutpoint := wire.OutPoint{Hash: *closeTx, Index: 3} - bobCommitSweep := ht.Miner.AssertOutpointInMempool( + bobCommitSweep := ht.AssertOutpointInMempool( bobCommitOutpoint, ) bobCommitSweepTxid := bobCommitSweep.TxHash() @@ -1219,7 +1219,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, // Look up the closing transaction. It should be spending from the // funding transaction, - closingTx := ht.Miner.AssertOutpointInMempool( + closingTx := ht.AssertOutpointInMempool( ht.OutPointFromChannelPoint(bobChanPoint), ) closingTxid := closingTx.TxHash() @@ -1300,7 +1300,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, carolSecondLevelCSV-- // Check Bob's second level tx. - bobSecondLvlTx := ht.Miner.GetNumTxsFromMempool(1)[0] + bobSecondLvlTx := ht.GetNumTxsFromMempool(1)[0] // It should spend from the commitment in the channel with Alice. ht.AssertTxSpendFrom(bobSecondLvlTx, *bobForceClose) @@ -1355,7 +1355,7 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, block = ht.MineBlocksAndAssertNumTxes(bobSecondLevelCSV, 1)[0] ht.AssertTxInBlock(block, carolSweep) - bobSweep := ht.Miner.GetNumTxsFromMempool(1)[0] + bobSweep := ht.GetNumTxsFromMempool(1)[0] bobSweepTxid := bobSweep.TxHash() // When we mine one additional block, that will confirm Bob's sweep. @@ -1399,11 +1399,11 @@ func runMultiHopHtlcLocalChainClaim(ht *lntest.HarnessTest, aliceCommitOutpoint := wire.OutPoint{ Hash: *bobForceClose, Index: 3, } - ht.Miner.AssertOutpointInMempool( + ht.AssertOutpointInMempool( aliceCommitOutpoint, ).TxHash() bobCommitOutpoint := wire.OutPoint{Hash: closingTxid, Index: 3} - ht.Miner.AssertOutpointInMempool( + ht.AssertOutpointInMempool( bobCommitOutpoint, ).TxHash() @@ -1562,7 +1562,7 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, // The closing transaction should be spending from the funding // transaction. - closingTx := ht.Miner.AssertOutpointInMempool( + closingTx := ht.AssertOutpointInMempool( ht.OutPointFromChannelPoint(bobChanPoint), ) closingTxid := closingTx.TxHash() @@ -1624,7 +1624,7 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, // NOTE: after Bob is restarted, the sweeping of the direct preimage // spent will happen immediately so we don't need to mine a block to // trigger Bob's sweeper to sweep it. - bobHtlcSweep := ht.Miner.GetNumTxsFromMempool(1)[0] + bobHtlcSweep := ht.GetNumTxsFromMempool(1)[0] bobHtlcSweepTxid := bobHtlcSweep.TxHash() // It should spend from the commitment in the channel with Alice. @@ -1692,9 +1692,9 @@ func runMultiHopHtlcRemoteChainClaim(ht *lntest.HarnessTest, aliceCommitOutpoint := wire.OutPoint{ Hash: *aliceForceClose, Index: 3, } - ht.Miner.AssertOutpointInMempool(aliceCommitOutpoint) + ht.AssertOutpointInMempool(aliceCommitOutpoint) bobCommitOutpoint := wire.OutPoint{Hash: closingTxid, Index: 3} - ht.Miner.AssertOutpointInMempool(bobCommitOutpoint) + ht.AssertOutpointInMempool(bobCommitOutpoint) // Confirm their sweeps. ht.MineBlocksAndAssertNumTxes(1, 2) @@ -1887,7 +1887,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, // other for local. ht.AssertNumPendingSweeps(bob, 2) - closeTx := ht.Miner.AssertOutpointInMempool( + closeTx := ht.AssertOutpointInMempool( ht.OutPointFromChannelPoint(bobChanPoint), ) closeTxid := closeTx.TxHash() @@ -1977,7 +1977,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, ht.MineBlocksAndAssertNumTxes(1, 1) // Assert the sweeping txns are found in the mempool. - txes := ht.Miner.GetNumTxsFromMempool(expectedTxes) + txes := ht.GetNumTxsFromMempool(expectedTxes) // Since Bob can aggregate the transactions, we expect a single // transaction, that have multiple spends from the commitment. @@ -2048,7 +2048,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, ht.MineEmptyBlocks(1) // Find the commitment sweep. - bobCommitSweep := ht.Miner.GetNumTxsFromMempool(1)[0] + bobCommitSweep := ht.GetNumTxsFromMempool(1)[0] ht.AssertTxSpendFrom(bobCommitSweep, closeTxid) // Also ensure it is not spending from any of the HTLC output. @@ -2092,7 +2092,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, numBlocks := uint32(forceCloseChan.BlocksTilMaturity) // Add debug log. - _, height := ht.Miner.GetBestBlock() + _, height := ht.GetBestBlock() bob.AddToLogf("itest: now mine %d blocks at height %d", numBlocks, height) ht.MineEmptyBlocks(int(numBlocks) - 1) @@ -2135,7 +2135,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, ht.Logf("Checking mempool got: %v", err) // Make sure it spends from the second level tx. - secondLevelSweep := ht.Miner.GetNumTxsFromMempool(numExpected)[0] + secondLevelSweep := ht.GetNumTxsFromMempool(numExpected)[0] bobSweep := secondLevelSweep.TxHash() // It should be sweeping all the second-level outputs. @@ -2232,7 +2232,7 @@ func createThreeHopNetwork(ht *lntest.HarnessTest, var aliceFundingShim *lnrpc.FundingShim var thawHeight uint32 if c == lnrpc.CommitmentType_SCRIPT_ENFORCED_LEASE { - _, minerHeight := ht.Miner.GetBestBlock() + _, minerHeight := ht.GetBestBlock() thawHeight = uint32(minerHeight + thawHeightDelta) aliceFundingShim, _ = deriveFundingShim( ht, alice, bob, chanAmt, thawHeight, true, c, @@ -2449,7 +2449,7 @@ func runExtraPreimageFromRemoteCommit(ht *lntest.HarnessTest, // Get the current height to compute number of blocks to mine to // trigger the htlc timeout resolver from Bob. - _, height := ht.Miner.GetBestBlock() + _, height := ht.GetBestBlock() // We'll now mine enough blocks to trigger Bob's timeout resolver. numBlocks = htlc.ExpirationHeight - uint32(height) - @@ -2680,7 +2680,7 @@ func runExtraPreimageFromLocalCommit(ht *lntest.HarnessTest, // Get the current height to compute number of blocks to mine to // trigger the timeout resolver from Bob. - _, height := ht.Miner.GetBestBlock() + _, height := ht.GetBestBlock() // We'll now mine enough blocks to trigger Bob's htlc timeout resolver // to act. Once his timeout resolver starts, it will extract the @@ -2701,7 +2701,7 @@ func runExtraPreimageFromLocalCommit(ht *lntest.HarnessTest, // preimage from the blocks. if ht.IsNeutrinoBackend() { // Make sure the direct spend tx is still in the mempool. - ht.Miner.AssertOutpointInMempool(htlcOutpoint) + ht.AssertOutpointInMempool(htlcOutpoint) // Mine a block to confirm Carol's direct spend tx. ht.MineBlocks(1) diff --git a/itest/lnd_onchain_test.go b/itest/lnd_onchain_test.go index 92b1ec66bd..15aececd91 100644 --- a/itest/lnd_onchain_test.go +++ b/itest/lnd_onchain_test.go @@ -486,7 +486,7 @@ func testAnchorThirdPartySpend(ht *lntest.HarnessTest) { // We now update the anchor sweep's deadline to be different than the // commit sweep so they can won't grouped together. - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() deadline := int32(commit.DeadlineHeight) - currentHeight require.Positive(ht, deadline) ht.Logf("Found commit deadline %d, anchor deadline %d", @@ -520,7 +520,7 @@ func testAnchorThirdPartySpend(ht *lntest.HarnessTest) { // Mine one block to trigger Alice's sweeper to reconsider the anchor // sweeping - it will be swept with her commit output together in one // tx. - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) aliceSweep := txns[0] if aliceSweep.TxOut[0].Value > txns[1].TxOut[0].Value { aliceSweep = txns[1] @@ -600,7 +600,7 @@ func testAnchorThirdPartySpend(ht *lntest.HarnessTest) { Hash: *forceCloseTxID, Index: 1, } - ht.Miner.AssertOutpointInMempool(commitSweepOp) + ht.AssertOutpointInMempool(commitSweepOp) ht.MineBlocks(1) ht.AssertNumWaitingClose(alice, 0) @@ -727,7 +727,7 @@ func testRemoveTx(ht *lntest.HarnessTest) { require.Lenf(ht, unconfirmed, 2, "number of unconfirmed tx") // Get the raw transaction to calculate the exact fee. - tx := ht.Miner.GetNumTxsFromMempool(1)[0] + tx := ht.GetNumTxsFromMempool(1)[0] // Calculate the tx fee so we can compare the end amounts. We are // sending from the internal wallet to the internal wallet so only @@ -836,7 +836,7 @@ func testListSweeps(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(1) // Get the current block height. - _, blockHeight := ht.Miner.GetBestBlock() + _, blockHeight := ht.GetBestBlock() // Close the second channel and also sweep the funds. ht.ForceCloseChannel(alice, chanPoints[1]) diff --git a/itest/lnd_rest_api_test.go b/itest/lnd_rest_api_test.go index 78648b70dd..cd18e210d3 100644 --- a/itest/lnd_rest_api_test.go +++ b/itest/lnd_rest_api_test.go @@ -238,7 +238,7 @@ func testRestAPI(ht *lntest.HarnessTest) { func wsTestCaseSubscription(ht *lntest.HarnessTest) { // Find out the current best block so we can subscribe to the next one. - hash, height := ht.Miner.GetBestBlock() + hash, height := ht.GetBestBlock() // Create a new subscription to get block epoch events. req := &chainrpc.BlockEpoch{ @@ -314,7 +314,7 @@ func wsTestCaseSubscription(ht *lntest.HarnessTest) { func wsTestCaseSubscriptionMacaroon(ht *lntest.HarnessTest) { // Find out the current best block so we can subscribe to the next one. - hash, height := ht.Miner.GetBestBlock() + hash, height := ht.GetBestBlock() // Create a new subscription to get block epoch events. req := &chainrpc.BlockEpoch{ diff --git a/itest/lnd_revocation_test.go b/itest/lnd_revocation_test.go index 56260c7d15..4b6f457ca0 100644 --- a/itest/lnd_revocation_test.go +++ b/itest/lnd_revocation_test.go @@ -146,7 +146,7 @@ func breachRetributionTestCase(ht *lntest.HarnessTest, // sweeping transactions in the mempool. Thus we directly assert that // the breach transaction's outpoint is seen in the mempool instead of // checking the number of transactions. - justiceTx := ht.Miner.AssertOutpointInMempool(toRemoteOp) + justiceTx := ht.AssertOutpointInMempool(toRemoteOp) // Assert that all the inputs of this transaction are spending outputs // generated by Bob's breach transaction above. @@ -338,7 +338,7 @@ func revokedCloseRetributionZeroValueRemoteOutputCase(ht *lntest.HarnessTest, // sweeping transactions in the mempool. Thus we directly assert that // the breach transaction's outpoint is seen in the mempool instead of // checking the number of transactions. - justiceTx := ht.Miner.AssertOutpointInMempool(toLocalOp) + justiceTx := ht.AssertOutpointInMempool(toLocalOp) // Assert that all the inputs of this transaction are spending outputs // generated by Carol's breach transaction above. diff --git a/itest/lnd_routing_test.go b/itest/lnd_routing_test.go index 93a890bad5..5e0a381b07 100644 --- a/itest/lnd_routing_test.go +++ b/itest/lnd_routing_test.go @@ -117,7 +117,7 @@ func testSingleHopSendToRouteCase(ht *lntest.HarnessTest, // Assert Carol and Dave are synced to the chain before proceeding, to // ensure the queried route will have a valid final CLTV once the HTLC // reaches Dave. - _, minerHeight := ht.Miner.GetBestBlock() + _, minerHeight := ht.GetBestBlock() ht.WaitForNodeBlockHeight(carol, minerHeight) ht.WaitForNodeBlockHeight(dave, minerHeight) diff --git a/itest/lnd_sweep_test.go b/itest/lnd_sweep_test.go index 48cafcff8f..950b5e460e 100644 --- a/itest/lnd_sweep_test.go +++ b/itest/lnd_sweep_test.go @@ -209,7 +209,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // // We should see Bob's anchor sweeping tx triggered by the above // block, along with his force close tx. - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) // Find the sweeping tx. sweepTx := ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -261,7 +261,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // Make sure Bob's old sweeping tx has been removed from the // mempool. - ht.Miner.AssertTxNotInMempool(sweepTx.TxHash()) + ht.AssertTxNotInMempool(sweepTx.TxHash()) // We expect to see two txns in the mempool, // - Bob's force close tx. @@ -276,7 +276,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // We should see Bob's anchor sweeping tx being fee bumped // since it's not confirmed, along with his force close tx. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) // Find the sweeping tx. sweepTx = ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -311,11 +311,11 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(1) // Make sure Bob's old sweeping tx has been removed from the mempool. - ht.Miner.AssertTxNotInMempool(sweepTx.TxHash()) + ht.AssertTxNotInMempool(sweepTx.TxHash()) // Get the last sweeping tx - we should see two txns here, Bob's anchor // sweeping tx and his force close tx. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) // Find the sweeping tx. sweepTx = ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -336,7 +336,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // // We expect two txns here, one for the anchor sweeping, the other for // the force close tx. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) // Find the sweeping tx. currentSweepTx := ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -912,7 +912,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // Bob should now have one sweep and one sweeping tx in the mempool. ht.AssertNumPendingSweeps(bob, 1) - outgoingSweep := ht.Miner.GetNumTxsFromMempool(1)[0] + outgoingSweep := ht.GetNumTxsFromMempool(1)[0] // Check the shape of the sweeping tx - we expect it to be // 2-input-2-output as a wallet utxo is used and a required output is @@ -986,13 +986,13 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // Make sure Bob's old sweeping tx has been removed from the // mempool. - ht.Miner.AssertTxNotInMempool(outgoingSweep.TxHash()) + ht.AssertTxNotInMempool(outgoingSweep.TxHash()) // Bob should still have the outgoing HTLC sweep. ht.AssertNumPendingSweeps(bob, 1) // We should see Bob's replacement tx in the mempool. - outgoingSweep = ht.Miner.GetNumTxsFromMempool(1)[0] + outgoingSweep = ht.GetNumTxsFromMempool(1)[0] // Bob's outgoing HTLC sweeping tx should be fee bumped. assertSweepFeeRate( @@ -1018,7 +1018,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // We should see two txns in the mempool: // 1. Bob's outgoing HTLC sweeping tx. // 2. Bob's force close tx for Alice->Bob. - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) // Find the force close tx - we expect it to have a single input. closeTx := txns[0] @@ -1051,7 +1051,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // 1. the outgoing HTLC sweeping tx. // 2. the incoming HTLC sweeping tx. // 3. the anchor sweeping tx. - txns = ht.Miner.GetNumTxsFromMempool(3) + txns = ht.GetNumTxsFromMempool(3) abCloseTxid := closeTx.TxHash() @@ -1102,7 +1102,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // We should see two txns in the mempool: // 1. the outgoing HTLC sweeping tx. // 2. the incoming HTLC sweeping tx. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) var incoming, outgoing *wire.MsgTx @@ -1160,8 +1160,8 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // Make sure Bob's old sweeping txns have been removed from the // mempool. - ht.Miner.AssertTxNotInMempool(outgoingSweep.TxHash()) - ht.Miner.AssertTxNotInMempool(incomingSweep.TxHash()) + ht.AssertTxNotInMempool(outgoingSweep.TxHash()) + ht.AssertTxNotInMempool(incomingSweep.TxHash()) // Bob should have two pending sweeps: // 1. the outgoing HTLC output on Bob->Carol. @@ -1370,7 +1370,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // - Alice's anchor sweeping tx must have been failed due to the fee // rate chosen in this test - the anchor sweep tx has no output. // - Bob's sweeping tx, which sweeps both his anchor and commit outputs. - bobSweepTx := ht.Miner.GetNumTxsFromMempool(1)[0] + bobSweepTx := ht.GetNumTxsFromMempool(1)[0] // We expect two pending sweeps for Bob - anchor and commit outputs. pendingSweepBob := ht.AssertNumPendingSweeps(bob, 2)[0] @@ -1466,7 +1466,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // created and published. aliceStartPosition = 1 - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) aliceFirstSweepTx = txns[0] // Reassign if the second tx is larger. @@ -1503,7 +1503,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // commit output together because they have different deadlines. // - Bob's previous sweeping tx, which sweeps both his anchor and // commit outputs, at the starting fee rate. - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) // Assume the first tx is Alice's sweeping tx, if the second tx has a // larger output value, then that's Alice's as her to_local value is @@ -1611,7 +1611,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // commit outputs, using the increased fee rate. // - Bob's previous sweeping tx, which sweeps both his anchor // and commit outputs, at the possible increased fee rate. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) // Assume the first tx is Alice's sweeping tx, if the second tx // has a larger output value, then that's Alice's as her @@ -1691,14 +1691,14 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // Make sure Alice's old sweeping tx has been removed from the // mempool. - ht.Miner.AssertTxNotInMempool(aliceSweepTx.TxHash()) + ht.AssertTxNotInMempool(aliceSweepTx.TxHash()) // Make sure Bob's old sweeping tx has been removed from the // mempool. Since Bob's sweeping tx will only be successfully // RBFed every 4 blocks, his old sweeping tx only will be // removed when there are 4 blocks increased. if bobPosition%4 == 0 { - ht.Miner.AssertTxNotInMempool(bobSweepTx.TxHash()) + ht.AssertTxNotInMempool(bobSweepTx.TxHash()) } // We should see two txns in the mempool: @@ -1706,7 +1706,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // commit outputs, using the increased fee rate. // - Bob's previous sweeping tx, which sweeps both his anchor // and commit outputs, at the possible increased fee rate. - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) // Assume the first tx is Alice's sweeping tx, if the second tx // has a larger output value, then that's Alice's as her @@ -1911,7 +1911,7 @@ func runBumpFee(ht *lntest.HarnessTest, alice *node.HarnessNode) { // We expect to see Alice's original tx and her CPFP tx in the // mempool. - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) // Find the sweeping tx - assume it's the first item, if it has // the same txid as the parent tx, use the second item. @@ -1972,7 +1972,7 @@ func runBumpFee(ht *lntest.HarnessTest, alice *node.HarnessNode) { // Since the request doesn't specify a deadline, we expect the default // deadline to be used. - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() deadline := uint32(currentHeight + sweep.DefaultDeadlineDelta) // Assert the pending sweep is created with the expected values: @@ -2003,7 +2003,7 @@ func runBumpFee(ht *lntest.HarnessTest, alice *node.HarnessNode) { alice.RPC.BumpFee(bumpFeeReq) // Alice's old sweeping tx should be replaced. - ht.Miner.AssertTxNotInMempool(sweepTx1.TxHash()) + ht.AssertTxNotInMempool(sweepTx1.TxHash()) // Assert the pending sweep is created with the expected values: // - broadcast attempts: 2. @@ -2035,7 +2035,7 @@ func runBumpFee(ht *lntest.HarnessTest, alice *node.HarnessNode) { alice.RPC.BumpFee(bumpFeeReq) // Alice's old sweeping tx should be replaced. - ht.Miner.AssertTxNotInMempool(sweepTx2.TxHash()) + ht.AssertTxNotInMempool(sweepTx2.TxHash()) // Assert the pending sweep is created with the expected values: // - broadcast attempts: 3. @@ -2066,7 +2066,7 @@ func runBumpFee(ht *lntest.HarnessTest, alice *node.HarnessNode) { alice.RPC.BumpFee(bumpFeeReq) // Alice's old sweeping tx should be replaced. - ht.Miner.AssertTxNotInMempool(sweepTx3.TxHash()) + ht.AssertTxNotInMempool(sweepTx3.TxHash()) // Assert the pending sweep is created with the expected values: // - broadcast attempts: 4. @@ -2093,7 +2093,7 @@ func runBumpFee(ht *lntest.HarnessTest, alice *node.HarnessNode) { alice.RPC.BumpFee(bumpFeeReq) // Alice's old sweeping tx should be replaced. - ht.Miner.AssertTxNotInMempool(sweepTx4.TxHash()) + ht.AssertTxNotInMempool(sweepTx4.TxHash()) // Assert the pending sweep is created with the expected values: // - broadcast attempts: 5. diff --git a/itest/lnd_taproot_test.go b/itest/lnd_taproot_test.go index 3bc642289f..7dc5f4ad15 100644 --- a/itest/lnd_taproot_test.go +++ b/itest/lnd_taproot_test.go @@ -1535,7 +1535,7 @@ func publishTxAndConfirmSweep(ht *lntest.HarnessTest, node *node.HarnessNode, // Before we publish the tx that spends the p2tr transaction, we want to // register a spend listener that we expect to fire after mining the // block. - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() // For a Taproot output we cannot leave the outpoint empty. Let's make // sure the API returns the correct error here. @@ -1609,7 +1609,7 @@ func confirmAddress(ht *lntest.HarnessTest, hn *node.HarnessNode, addrPkScript, err := txscript.PayToAddrScript(parsedAddr) require.NoError(ht, err) - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() req := &chainrpc.ConfRequest{ Script: addrPkScript, Txid: txid[:], diff --git a/itest/lnd_test.go b/itest/lnd_test.go index b5886bc299..83fe00a2ce 100644 --- a/itest/lnd_test.go +++ b/itest/lnd_test.go @@ -151,7 +151,7 @@ func TestLightningNetworkDaemon(t *testing.T) { } } - _, height := harnessTest.Miner.GetBestBlock() + _, height := harnessTest.GetBestBlock() t.Logf("=========> tests finished for tranche: %v, tested %d "+ "cases, end height: %d\n", trancheIndex, len(testCases), height) } diff --git a/itest/lnd_zero_conf_test.go b/itest/lnd_zero_conf_test.go index eb253e4dd4..85e5a91eea 100644 --- a/itest/lnd_zero_conf_test.go +++ b/itest/lnd_zero_conf_test.go @@ -962,7 +962,7 @@ func testZeroConfReorg(ht *lntest.HarnessTest) { ht.Miner.AssertMinerBlockHeightDelta(tempMiner, 1) // Wait for Carol to sync to the original miner's chain. - _, minerHeight := ht.Miner.GetBestBlock() + _, minerHeight := ht.GetBestBlock() ht.WaitForNodeBlockHeight(carol, minerHeight) // Now we'll disconnect Carol's chain backend from the original miner diff --git a/lntest/harness.go b/lntest/harness.go index a2e5caf7e6..b406846ae5 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -433,10 +433,10 @@ func (h *HarnessTest) Subtest(t *testing.T) *HarnessTest { st.feeService.Reset() // Record block height. - _, startHeight := h.Miner.GetBestBlock() + _, startHeight := h.GetBestBlock() st.Cleanup(func() { - _, endHeight := h.Miner.GetBestBlock() + _, endHeight := h.GetBestBlock() st.Logf("finished test: %s, start height=%d, end height=%d, "+ "mined blocks=%d", st.manager.currentTestCase, @@ -2158,7 +2158,7 @@ func (h *HarnessTest) SendCoins(a, b *node.HarnessNode, TargetConf: 6, } a.RPC.SendCoins(sendReq) - tx := h.Miner.GetNumTxsFromMempool(1)[0] + tx := h.GetNumTxsFromMempool(1)[0] return tx } diff --git a/lntest/harness_assertion.go b/lntest/harness_assertion.go index e1e3aeead9..7a863a028e 100644 --- a/lntest/harness_assertion.go +++ b/lntest/harness_assertion.go @@ -2568,7 +2568,7 @@ func (h *HarnessTest) AssertClosingTxInMempool(cp *lnrpc.ChannelPoint, // Get the closing tx from the mempool. op := h.OutPointFromChannelPoint(cp) - closeTx := h.Miner.AssertOutpointInMempool(op) + closeTx := h.AssertOutpointInMempool(op) return closeTx } @@ -2582,7 +2582,7 @@ func (h *HarnessTest) MineClosingTx(cp *lnrpc.ChannelPoint) *wire.MsgTx { // Get the closing tx from the mempool. op := h.OutPointFromChannelPoint(cp) - closeTx := h.Miner.AssertOutpointInMempool(op) + closeTx := h.AssertOutpointInMempool(op) // Mine a block to confirm the closing transaction and potential anchor // sweep. diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 9d4dd99d6b..1148ea6636 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -80,7 +80,7 @@ func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, // If we expect transactions to be included in the blocks we'll mine, // we wait here until they are seen in the miner's mempool. - txids := h.Miner.AssertNumTxsInMempool(numTxs) + txids := h.AssertNumTxsInMempool(numTxs) // Mine blocks. blocks := h.Miner.MineBlocksSlow(num) @@ -118,7 +118,7 @@ func (h *HarnessTest) DisconnectMiner() { // cleanMempool mines blocks till the mempool is empty and asserts all active // nodes have synced to the chain. func (h *HarnessTest) cleanMempool() { - _, startHeight := h.Miner.GetBestBlock() + _, startHeight := h.GetBestBlock() // Mining the blocks slow to give `lnd` more time to sync. var bestBlock *wire.MsgBlock @@ -126,7 +126,7 @@ func (h *HarnessTest) cleanMempool() { // If mempool is empty, exit. mem := h.Miner.GetRawMempool() if len(mem) == 0 { - _, height := h.Miner.GetBestBlock() + _, height := h.GetBestBlock() h.Logf("Mined %d blocks when cleanup the mempool", height-startHeight) @@ -157,7 +157,7 @@ func (h *HarnessTest) cleanMempool() { // TODO(yy): remove this workaround when syncing blocks are unified in all the // subsystems. func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { - _, startHeight := h.Miner.GetBestBlock() + _, startHeight := h.GetBestBlock() err := wait.NoError(func() error { resp := hn.RPC.PendingChannels() @@ -169,7 +169,7 @@ func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { "close channel to be zero") } - _, height := h.Miner.GetBestBlock() + _, height := h.GetBestBlock() h.Logf("Mined %d blocks while waiting for force closed "+ "channel to be resolved", height-startHeight) @@ -179,6 +179,21 @@ func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { require.NoErrorf(h, err, "assert force close resolved timeout") } +// AssertTxInMempool asserts a given transaction can be found in the mempool. +func (h *HarnessTest) AssertTxInMempool(txid *chainhash.Hash) *wire.MsgTx { + return h.Miner.AssertTxInMempool(txid) +} + +// AssertTxNotInMempool asserts a given transaction cannot be found in the +// mempool. It assumes the mempool is not empty. +// +// NOTE: this should be used after `AssertTxInMempool` to ensure the tx has +// entered the mempool before. Otherwise it might give false positive and the +// tx may enter the mempool after the check. +func (h *HarnessTest) AssertTxNotInMempool(txid chainhash.Hash) *wire.MsgTx { + return h.Miner.AssertTxNotInMempool(txid) +} + // AssertNumTxsInMempool polls until finding the desired number of transactions // in the provided miner's mempool. It will asserrt if this number is not met // after the given timeout. @@ -186,9 +201,25 @@ func (h *HarnessTest) AssertNumTxsInMempool(n int) []*chainhash.Hash { return h.Miner.AssertNumTxsInMempool(n) } +// AssertOutpointInMempool asserts a given outpoint can be found in the mempool. +func (h *HarnessTest) AssertOutpointInMempool(op wire.OutPoint) *wire.MsgTx { + return h.Miner.AssertOutpointInMempool(op) +} + // AssertTxInBlock asserts that a given txid can be found in the passed block. func (h *HarnessTest) AssertTxInBlock(block *wire.MsgBlock, txid *chainhash.Hash) { h.Miner.AssertTxInBlock(block, txid) } + +// GetNumTxsFromMempool polls until finding the desired number of transactions +// in the miner's mempool and returns the full transactions to the caller. +func (h *HarnessTest) GetNumTxsFromMempool(n int) []*wire.MsgTx { + return h.Miner.GetNumTxsFromMempool(n) +} + +// GetBestBlock makes a RPC request to miner and asserts. +func (h *HarnessTest) GetBestBlock() (*chainhash.Hash, int32) { + return h.Miner.GetBestBlock() +} From be4dba5da6b314e658d94585f7003e42f665d68c Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 1 May 2024 20:41:47 +0800 Subject: [PATCH 127/343] lntest+itest: finalize moving miner methods --- itest/lnd_channel_force_close_test.go | 6 +- itest/lnd_channel_funding_fund_max_test.go | 4 +- itest/lnd_funding_test.go | 6 +- itest/lnd_misc_test.go | 6 +- itest/lnd_multi-hop_test.go | 4 +- itest/lnd_nonstd_sweep_test.go | 4 +- itest/lnd_onchain_test.go | 10 +-- itest/lnd_open_channel_test.go | 2 +- itest/lnd_psbt_test.go | 2 +- itest/lnd_recovery_test.go | 2 +- itest/lnd_revocation_test.go | 8 +-- itest/lnd_route_blinding_test.go | 6 +- itest/lnd_sweep_test.go | 28 ++++---- itest/lnd_taproot_test.go | 2 +- itest/lnd_watchtower_test.go | 6 +- itest/lnd_zero_conf_test.go | 10 +-- lntest/harness_miner.go | 76 ++++++++++++++++++++++ lntest/miner/miner.go | 2 +- 18 files changed, 129 insertions(+), 55 deletions(-) diff --git a/itest/lnd_channel_force_close_test.go b/itest/lnd_channel_force_close_test.go index 7284a315eb..529622645c 100644 --- a/itest/lnd_channel_force_close_test.go +++ b/itest/lnd_channel_force_close_test.go @@ -393,7 +393,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Fetch the sweep transaction, all input it's spending should be from // the commitment transaction which was broadcast on-chain. - sweepTx := ht.Miner.GetRawTransaction(sweepingTXID) + sweepTx := ht.GetRawTransaction(sweepingTXID) for _, txIn := range sweepTx.MsgTx().TxIn { require.Equal(ht, &txIn.PreviousOutPoint.Hash, closingTxID, "sweep transaction not spending from commit") @@ -567,7 +567,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // on-chain. In case of an anchor type channel, we expect one // extra input that is not spending from the commitment, that // is added for fees. - htlcTx := ht.Miner.GetRawTransaction(htlcTxID) + htlcTx := ht.GetRawTransaction(htlcTxID) // Ensure the htlc transaction has the expected number of // inputs. @@ -736,7 +736,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, htlcSweepTxID := ht.AssertNumTxsInMempool(1)[0] // Fetch the htlc sweep transaction from the mempool. - htlcSweepTx := ht.Miner.GetRawTransaction(htlcSweepTxID) + htlcSweepTx := ht.GetRawTransaction(htlcSweepTxID) // Ensure the htlc sweep transaction only has one input for each htlc // Alice extended before force closing. diff --git a/itest/lnd_channel_funding_fund_max_test.go b/itest/lnd_channel_funding_fund_max_test.go index fb19877053..b836bdf621 100644 --- a/itest/lnd_channel_funding_fund_max_test.go +++ b/itest/lnd_channel_funding_fund_max_test.go @@ -15,7 +15,6 @@ import ( "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" - "github.com/stretchr/testify/require" ) type chanFundMaxTestCase struct { @@ -317,8 +316,7 @@ func fundingFee(numInput int, change bool) btcutil.Amount { // sweepNodeWalletAndAssert sweeps funds from a node wallet. func sweepNodeWalletAndAssert(ht *lntest.HarnessTest, node *node.HarnessNode) { // New miner address we will sweep all funds to. - minerAddr, err := ht.Miner.NewAddress() - require.NoError(ht, err) + minerAddr := ht.NewMinerAddress() // Send all funds back to the miner node. node.RPC.SendCoins(&lnrpc.SendCoinsRequest{ diff --git a/itest/lnd_funding_test.go b/itest/lnd_funding_test.go index de785c4552..8b19b1c163 100644 --- a/itest/lnd_funding_test.go +++ b/itest/lnd_funding_test.go @@ -1053,7 +1053,7 @@ func testBatchChanFunding(ht *lntest.HarnessTest) { ht.AssertTopologyChannelOpen(alice, chanPoint3) // Check if the change type from the batch_open_channel funding is P2TR. - rawTx := ht.Miner.GetRawTransaction(txHash) + rawTx := ht.GetRawTransaction(txHash) require.Len(ht, rawTx.MsgTx().TxOut, 5) // For calculating the change output index we use the formula for the @@ -1182,9 +1182,9 @@ func deriveFundingShim(ht *lntest.HarnessTest, carol, dave *node.HarnessNode, var txid *chainhash.Hash targetOutputs := []*wire.TxOut{fundingOutput} if publish { - txid = ht.Miner.SendOutputsWithoutChange(targetOutputs, 5) + txid = ht.SendOutputsWithoutChange(targetOutputs, 5) } else { - tx := ht.Miner.CreateTransaction(targetOutputs, 5) + tx := ht.CreateTransaction(targetOutputs, 5) txHash := tx.TxHash() txid = &txHash diff --git a/itest/lnd_misc_test.go b/itest/lnd_misc_test.go index ba242ac8e6..cf3220eaba 100644 --- a/itest/lnd_misc_test.go +++ b/itest/lnd_misc_test.go @@ -823,14 +823,14 @@ func testSweepAllCoins(ht *lntest.HarnessTest) { // Send coins to a compatible address without specifying fee rate or // conf target. // ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ - // Addr: ht.Miner.NewMinerAddress().String(), + // Addr: ht.NewMinerAddress().String(), // SendAll: true, // Label: sendCoinsLabel, // }) // Send coins to a compatible address. ainz.RPC.SendCoins(&lnrpc.SendCoinsRequest{ - Addr: ht.Miner.NewMinerAddress().String(), + Addr: ht.NewMinerAddress().String(), SendAll: true, Label: sendCoinsLabel, TargetConf: 6, @@ -930,7 +930,7 @@ func testSweepAllCoins(ht *lntest.HarnessTest) { // If we try again, but this time specifying an amount, then the call // should fail. ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ - Addr: ht.Miner.NewMinerAddress().String(), + Addr: ht.NewMinerAddress().String(), Amount: 10000, SendAll: true, Label: sendCoinsLabel, diff --git a/itest/lnd_multi-hop_test.go b/itest/lnd_multi-hop_test.go index 39d7672a99..9c5959efd6 100644 --- a/itest/lnd_multi-hop_test.go +++ b/itest/lnd_multi-hop_test.go @@ -339,7 +339,7 @@ func runMultiHopHtlcLocalTimeout(ht *lntest.HarnessTest, // TODO(yy): remove this once `blockbeat` is in place. numExpected := 1 err := wait.NoError(func() error { - mem := ht.Miner.GetRawMempool() + mem := ht.GetRawMempool() if len(mem) == 2 { numExpected = 2 return nil @@ -2120,7 +2120,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, // TODO(yy): remove this once `blockbeat` is in place. numExpected := 1 err := wait.NoError(func() error { - mem := ht.Miner.GetRawMempool() + mem := ht.GetRawMempool() if len(mem) == numExpected { return nil } diff --git a/itest/lnd_nonstd_sweep_test.go b/itest/lnd_nonstd_sweep_test.go index 6285fbdd6a..6626766d79 100644 --- a/itest/lnd_nonstd_sweep_test.go +++ b/itest/lnd_nonstd_sweep_test.go @@ -97,7 +97,7 @@ func testNonStdSweepInner(ht *lntest.HarnessTest, address string) { // Fetch the txid so we can grab the raw transaction. txid := ht.AssertNumTxsInMempool(1)[0] - tx := ht.Miner.GetRawTransaction(txid) + tx := ht.GetRawTransaction(txid) msgTx := tx.MsgTx() @@ -111,7 +111,7 @@ func testNonStdSweepInner(ht *lntest.HarnessTest, address string) { for _, inp := range msgTx.TxIn { // Fetch the previous outpoint's value. prevOut := inp.PreviousOutPoint - ptx := ht.Miner.GetRawTransaction(&prevOut.Hash) + ptx := ht.GetRawTransaction(&prevOut.Hash) pout := ptx.MsgTx().TxOut[prevOut.Index] inputVal += int(pout.Value) diff --git a/itest/lnd_onchain_test.go b/itest/lnd_onchain_test.go index 15aececd91..11abbdbb73 100644 --- a/itest/lnd_onchain_test.go +++ b/itest/lnd_onchain_test.go @@ -321,7 +321,7 @@ func testAnchorReservedValue(ht *lntest.HarnessTest) { // Alice tries to send all funds to an external address, the reserved // value must stay in her wallet. - minerAddr := ht.Miner.NewMinerAddress() + minerAddr := ht.NewMinerAddress() sweepReq = &lnrpc.SendCoinsRequest{ Addr: minerAddr.String(), @@ -544,7 +544,7 @@ func testAnchorThirdPartySpend(ht *lntest.HarnessTest) { // With the anchor output located, and the main commitment mined we'll // instruct the wallet to send all coins in the wallet to a new address // (to the miner), including unconfirmed change. - minerAddr := ht.Miner.NewMinerAddress() + minerAddr := ht.NewMinerAddress() sweepReq := &lnrpc.SendCoinsRequest{ Addr: minerAddr.String(), SendAll: true, @@ -574,7 +574,7 @@ func testAnchorThirdPartySpend(ht *lntest.HarnessTest) { // mine a transaction that double spends the output. thirdPartyAnchorSweep := genAnchorSweep(ht, aliceSweep, anchor.Outpoint) ht.Logf("Third party tx=%v", thirdPartyAnchorSweep.TxHash()) - ht.Miner.MineBlockWithTx(thirdPartyAnchorSweep) + ht.MineBlockWithTx(thirdPartyAnchorSweep) // At this point, we should no longer find Alice's transaction that // tried to sweep the anchor in her wallet. @@ -673,7 +673,7 @@ func genAnchorSweep(ht *lntest.HarnessTest, aliceSweep *wire.MsgTx, aliceAnchorTxIn.Witness[0] = nil aliceAnchorTxIn.Sequence = 16 - minerAddr := ht.Miner.NewMinerAddress() + minerAddr := ht.NewMinerAddress() addrScript, err := txscript.PayToAddrScript(minerAddr) require.NoError(ht, err, "unable to gen addr script") @@ -766,7 +766,7 @@ func testRemoveTx(ht *lntest.HarnessTest) { // Mine a block and make sure the transaction previously broadcasted // shows up in alice's wallet although we removed the transaction from // the wallet when it was unconfirmed. - block := ht.Miner.MineBlocks(1)[0] + block := ht.MineBlocksAndAssertNumTxes(1, 1)[0] ht.AssertTxInBlock(block, txID) // Verify that alice has 2 confirmed unspent utxos in her default diff --git a/itest/lnd_open_channel_test.go b/itest/lnd_open_channel_test.go index 04179d1cf1..1ebc9fbf4f 100644 --- a/itest/lnd_open_channel_test.go +++ b/itest/lnd_open_channel_test.go @@ -30,7 +30,7 @@ func testOpenChannelAfterReorg(ht *lntest.HarnessTest) { } // Create a temp miner. - tempMiner := ht.Miner.SpawnTempMiner() + tempMiner := ht.SpawnTempMiner() miner := ht.Miner alice, bob := ht.Alice, ht.Bob diff --git a/itest/lnd_psbt_test.go b/itest/lnd_psbt_test.go index fe3e3a1d6e..9ed7295243 100644 --- a/itest/lnd_psbt_test.go +++ b/itest/lnd_psbt_test.go @@ -464,7 +464,7 @@ func runPsbtChanFundingExternal(ht *lntest.HarnessTest, carol, require.NoError(ht, err) txHash := finalTx.TxHash() - _, err = ht.Miner.Client.SendRawTransaction(&finalTx, false) + _, err = ht.SendRawTransaction(&finalTx, false) require.NoError(ht, err) // Now we can mine a block to get the transaction confirmed, then wait diff --git a/itest/lnd_recovery_test.go b/itest/lnd_recovery_test.go index 1bb3eded7c..ccc5f90afb 100644 --- a/itest/lnd_recovery_test.go +++ b/itest/lnd_recovery_test.go @@ -252,7 +252,7 @@ func testOnchainFundRecovery(ht *lntest.HarnessTest) { promptChangeAddr := func(node *node.HarnessNode) { ht.Helper() - minerAddr := ht.Miner.NewMinerAddress() + minerAddr := ht.NewMinerAddress() req := &lnrpc.SendCoinsRequest{ Addr: minerAddr.String(), Amount: minerAmt, diff --git a/itest/lnd_revocation_test.go b/itest/lnd_revocation_test.go index 4b6f457ca0..f5d07b4922 100644 --- a/itest/lnd_revocation_test.go +++ b/itest/lnd_revocation_test.go @@ -570,13 +570,13 @@ func revokedCloseRetributionRemoteHodlCase(ht *lntest.HarnessTest, var justiceTxid *chainhash.Hash errNotFound := errors.New("justice tx not found") findJusticeTx := func() (*chainhash.Hash, error) { - mempool := ht.Miner.GetRawMempool() + mempool := ht.GetRawMempool() for _, txid := range mempool { // Check that the justice tx has the appropriate number // of inputs. // - // NOTE: We don't use `ht.Miner.GetRawTransaction` + // NOTE: We don't use `ht.GetRawTransaction` // which asserts a txid must be found as the HTLC // spending txes might be aggregated. tx, err := ht.Miner.Client.GetRawTransaction(txid) @@ -626,14 +626,14 @@ func revokedCloseRetributionRemoteHodlCase(ht *lntest.HarnessTest, } require.NoError(ht, err, "timeout finding justice tx") - justiceTx := ht.Miner.GetRawTransaction(justiceTxid) + justiceTx := ht.GetRawTransaction(justiceTxid) // isSecondLevelSpend checks that the passed secondLevelTxid is a // potentitial second level spend spending from the commit tx. isSecondLevelSpend := func(commitTxid, secondLevelTxid *chainhash.Hash) bool { - secondLevel := ht.Miner.GetRawTransaction(secondLevelTxid) + secondLevel := ht.GetRawTransaction(secondLevelTxid) // A second level spend should have only one input, and one // output. diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index d4e4faab0e..a2899657ba 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1010,7 +1010,7 @@ func testErrorHandlingOnChainFailure(ht *lntest.HarnessTest) { ht.MineBlocks(node.DefaultCSV - 1) ht.AssertNumPendingSweeps(ht.Bob, 1) ht.MineEmptyBlocks(1) - ht.Miner.MineBlocksAndAssertNumTxes(1, 1) + ht.MineBlocksAndAssertNumTxes(1, 1) // Restart bob so that we can test that he's able to recover everything // he needs to claim a blinded HTLC. @@ -1026,8 +1026,8 @@ func testErrorHandlingOnChainFailure(ht *lntest.HarnessTest) { // Wait for Bob's timeout transaction in the mempool, since we've // suspended Carol we don't need to account for her commitment output // claim. - ht.Miner.MineBlocksAndAssertNumTxes(1, 1) ht.AssertNumPendingSweeps(ht.Bob, 0) + ht.MineBlocksAndAssertNumTxes(1, 1) // Assert that the HTLC has cleared. ht.WaitForBlockchainSync(ht.Bob) @@ -1049,7 +1049,7 @@ func testErrorHandlingOnChainFailure(ht *lntest.HarnessTest) { // Clean up the rest of our force close: mine blocks so that Bob's CSV // expires plus one block to trigger his sweep and then mine it. ht.MineBlocks(node.DefaultCSV + 1) - ht.Miner.MineBlocksAndAssertNumTxes(1, 1) + ht.MineBlocksAndAssertNumTxes(1, 1) // Bring carol back up so that we can close out the rest of our // channels cooperatively. She requires an interceptor to start up diff --git a/itest/lnd_sweep_test.go b/itest/lnd_sweep_test.go index 950b5e460e..7a648ec4ee 100644 --- a/itest/lnd_sweep_test.go +++ b/itest/lnd_sweep_test.go @@ -168,7 +168,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(int(numBlocks)) // Assert Bob's force closing tx has been broadcast. - closeTxid := ht.Miner.AssertNumTxsInMempool(1)[0] + closeTxid := ht.AssertNumTxsInMempool(1)[0] // Remember the force close height so we can calculate the deadline // height. @@ -517,7 +517,7 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(int(numBlocks)) // Assert Bob's force closing tx has been broadcast. - closeTxid := ht.Miner.AssertNumTxsInMempool(1)[0] + closeTxid := ht.AssertNumTxsInMempool(1)[0] // Bob should have two pending sweeps, // - anchor sweeping from his local commitment. @@ -546,7 +546,7 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { // // We should see Bob's anchor sweeping tx triggered by the above // block, along with his force close tx. - txns := ht.Miner.GetNumTxsFromMempool(2) + txns := ht.GetNumTxsFromMempool(2) // Find the sweeping tx. sweepTx := ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -598,12 +598,12 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { // Make sure Bob's old sweeping tx has been removed from the // mempool. - ht.Miner.AssertTxNotInMempool(sweepTx.TxHash()) + ht.AssertTxNotInMempool(sweepTx.TxHash()) // We expect to see two txns in the mempool, // - Bob's force close tx. // - Bob's anchor sweep tx. - ht.Miner.AssertNumTxsInMempool(2) + ht.AssertNumTxsInMempool(2) // We expect the fees to increase by i*delta. expectedFee := startFeeAnchor + feeDelta.MulF64(float64(i)) @@ -613,7 +613,7 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { // We should see Bob's anchor sweeping tx being fee bumped // since it's not confirmed, along with his force close tx. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) // Find the sweeping tx. sweepTx = ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -648,11 +648,11 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(1) // Make sure Bob's old sweeping tx has been removed from the mempool. - ht.Miner.AssertTxNotInMempool(sweepTx.TxHash()) + ht.AssertTxNotInMempool(sweepTx.TxHash()) // Get the last sweeping tx - we should see two txns here, Bob's anchor // sweeping tx and his force close tx. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) // Find the sweeping tx. sweepTx = ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -673,7 +673,7 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { // // We expect two txns here, one for the anchor sweeping, the other for // the force close tx. - txns = ht.Miner.GetNumTxsFromMempool(2) + txns = ht.GetNumTxsFromMempool(2) // Find the sweeping tx. currentSweepTx := ht.FindSweepingTxns(txns, 1, *closeTxid)[0] @@ -1029,7 +1029,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { // We don't care the behavior of the anchor sweep in this test, so we // mine the force close tx to trigger Bob's contractcourt to offer his // incoming HTLC to his sweeper. - ht.Miner.MineBlockWithTx(closeTx) + ht.MineBlockWithTx(closeTx) // Update Bob's fee function position. outgoingFuncPosition++ @@ -1088,7 +1088,7 @@ func testSweepHTLCs(ht *lntest.HarnessTest) { incomingFuncPosition := int32(0) // Mine the anchor sweeping tx to reduce noise in this test. - ht.Miner.MineBlockWithTxes([]*btcutil.Tx{btcutil.NewTx(anchorSweep)}) + ht.MineBlockWithTx(anchorSweep) // Update the fee function's positions. outgoingFuncPosition++ @@ -1456,7 +1456,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { aliceStartPosition := 0 var aliceFirstSweepTx *wire.MsgTx err := wait.NoError(func() error { - mem := ht.Miner.GetRawMempool() + mem := ht.GetRawMempool() if len(mem) != 2 { return fmt.Errorf("want 2, got %v in mempool: %v", len(mem), mem) @@ -1486,7 +1486,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // block would trigger an RBF. We now need to assert the mempool has // removed the replaced tx. if aliceFirstSweepTx != nil { - ht.Miner.AssertTxNotInMempool(aliceFirstSweepTx.TxHash()) + ht.AssertTxNotInMempool(aliceFirstSweepTx.TxHash()) } // We also remember the positions of fee functions used by Alice and @@ -1604,7 +1604,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // Make sure Alice's old sweeping tx has been removed from the // mempool. - ht.Miner.AssertTxNotInMempool(aliceSweepTx.TxHash()) + ht.AssertTxNotInMempool(aliceSweepTx.TxHash()) // We should see two txns in the mempool: // - Alice's sweeping tx, which sweeps both her anchor and diff --git a/itest/lnd_taproot_test.go b/itest/lnd_taproot_test.go index 7dc5f4ad15..cea9ca8335 100644 --- a/itest/lnd_taproot_test.go +++ b/itest/lnd_taproot_test.go @@ -1850,7 +1850,7 @@ func testTaprootCoopClose(ht *lntest.HarnessTest) { // assertTaprootDeliveryUsed returns true if a Taproot addr was used in // the co-op close transaction. assertTaprootDeliveryUsed := func(closingTxid *chainhash.Hash) bool { - tx := ht.Miner.GetRawTransaction(closingTxid) + tx := ht.GetRawTransaction(closingTxid) for _, txOut := range tx.MsgTx().TxOut { if !txscript.IsPayToTaproot(txOut.PkScript) { return false diff --git a/itest/lnd_watchtower_test.go b/itest/lnd_watchtower_test.go index ab724c0b6b..4fee5d6c44 100644 --- a/itest/lnd_watchtower_test.go +++ b/itest/lnd_watchtower_test.go @@ -86,7 +86,7 @@ func testTowerClientTowerAndSessionManagement(ht *lntest.HarnessTest) { } if mineOnFail { - ht.Miner.MineBlocksSlow(1) + ht.MineBlocks(1) } return fmt.Errorf("expected %d sessions, got %d", @@ -515,7 +515,7 @@ func testRevokedCloseRetributionAltruistWatchtowerCase(ht *lntest.HarnessTest, // Query for the mempool transaction found above. Then assert that all // the inputs of this transaction are spending outputs generated by // Carol's breach transaction above. - justiceTx := ht.Miner.GetRawTransaction(justiceTXID) + justiceTx := ht.GetRawTransaction(justiceTXID) for _, txIn := range justiceTx.MsgTx().TxIn { require.Equal(ht, breachTXID[:], txIn.PreviousOutPoint.Hash[:], "justice tx not spending commitment utxo") @@ -702,7 +702,7 @@ func assertNumBackups(ht *lntest.HarnessTest, node *rpc.HarnessRPC, } if mineOnFail { - ht.Miner.MineBlocksSlow(1) + ht.MineBlocks(1) } return fmt.Errorf("expected %d backups, got %d", diff --git a/itest/lnd_zero_conf_test.go b/itest/lnd_zero_conf_test.go index 85e5a91eea..9af8b9703b 100644 --- a/itest/lnd_zero_conf_test.go +++ b/itest/lnd_zero_conf_test.go @@ -950,7 +950,7 @@ func testZeroConfReorg(ht *lntest.HarnessTest) { // exists in the graph. // // First, we'll setup a new miner that we can use to cause a reorg. - tempMiner := ht.Miner.SpawnTempMiner() + tempMiner := ht.SpawnTempMiner() // We now cause a fork, by letting our original miner mine 1 block and // our new miner will mine 2. We also expect the funding transition to @@ -959,7 +959,7 @@ func testZeroConfReorg(ht *lntest.HarnessTest) { tempMiner.MineEmptyBlocks(2) // Ensure the temp miner is one block ahead. - ht.Miner.AssertMinerBlockHeightDelta(tempMiner, 1) + ht.AssertMinerBlockHeightDelta(tempMiner, 1) // Wait for Carol to sync to the original miner's chain. _, minerHeight := ht.GetBestBlock() @@ -972,14 +972,14 @@ func testZeroConfReorg(ht *lntest.HarnessTest) { // Connecting to the temporary miner should cause the original miner to // reorg to the longer chain. - ht.Miner.ConnectMiner(tempMiner) + ht.ConnectToMiner(tempMiner) // They should now be on the same chain. - ht.Miner.AssertMinerBlockHeightDelta(tempMiner, 0) + ht.AssertMinerBlockHeightDelta(tempMiner, 0) // Now we disconnect the two miners and reconnect our original chain // backend. - ht.Miner.DisconnectMiner(tempMiner) + ht.DisconnectFromMiner(tempMiner) ht.ConnectMiner() diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 1148ea6636..3ed782df62 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -4,8 +4,10 @@ import ( "fmt" "github.com/btcsuite/btcd/blockchain" + "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/wire" + "github.com/lightningnetwork/lnd/lntest/miner" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntest/wait" "github.com/stretchr/testify/require" @@ -223,3 +225,77 @@ func (h *HarnessTest) GetNumTxsFromMempool(n int) []*wire.MsgTx { func (h *HarnessTest) GetBestBlock() (*chainhash.Hash, int32) { return h.Miner.GetBestBlock() } + +// MineBlockWithTx mines a single block to include the specifies tx only. +func (h *HarnessTest) MineBlockWithTx(tx *wire.MsgTx) *wire.MsgBlock { + return h.Miner.MineBlockWithTx(tx) +} + +// ConnectToMiner connects the miner to a temp miner. +func (h *HarnessTest) ConnectToMiner(tempMiner *miner.HarnessMiner) { + h.Miner.ConnectMiner(tempMiner) +} + +// DisconnectFromMiner disconnects the miner from the temp miner. +func (h *HarnessTest) DisconnectFromMiner(tempMiner *miner.HarnessMiner) { + h.Miner.DisconnectMiner(tempMiner) +} + +// GetRawMempool makes a RPC call to the miner's GetRawMempool and +// asserts. +func (h *HarnessTest) GetRawMempool() []*chainhash.Hash { + return h.Miner.GetRawMempool() +} + +// GetRawTransaction makes a RPC call to the miner's GetRawTransaction and +// asserts. +func (h *HarnessTest) GetRawTransaction(txid *chainhash.Hash) *btcutil.Tx { + return h.Miner.GetRawTransaction(txid) +} + +// NewMinerAddress creates a new address for the miner and asserts. +func (h *HarnessTest) NewMinerAddress() btcutil.Address { + return h.Miner.NewMinerAddress() +} + +// SpawnTempMiner creates a temp miner and syncs it with the current miner. +// Once miners are synced, the temp miner is disconnected from the original +// miner and returned. +func (h *HarnessTest) SpawnTempMiner() *miner.HarnessMiner { + return h.Miner.SpawnTempMiner() +} + +// CreateTransaction uses the miner to create a transaction using the given +// outputs using the specified fee rate and returns the transaction. +func (h *HarnessTest) CreateTransaction(outputs []*wire.TxOut, + feeRate btcutil.Amount) *wire.MsgTx { + + return h.Miner.CreateTransaction(outputs, feeRate) +} + +// SendOutputsWithoutChange uses the miner to send the given outputs using the +// specified fee rate and returns the txid. +func (h *HarnessTest) SendOutputsWithoutChange(outputs []*wire.TxOut, + feeRate btcutil.Amount) *chainhash.Hash { + + return h.Miner.SendOutputsWithoutChange(outputs, feeRate) +} + +// AssertMinerBlockHeightDelta ensures that tempMiner is 'delta' blocks ahead +// of miner. +func (h *HarnessTest) AssertMinerBlockHeightDelta( + tempMiner *miner.HarnessMiner, delta int32) { + + h.Miner.AssertMinerBlockHeightDelta(tempMiner, delta) +} + +// SendRawTransaction submits the encoded transaction to the server which will +// then relay it to the network. +func (h *HarnessTest) SendRawTransaction(tx *wire.MsgTx, + allowHighFees bool) (chainhash.Hash, error) { + + txid, err := h.Miner.Client.SendRawTransaction(tx, allowHighFees) + require.NoError(h, err) + + return *txid, nil +} diff --git a/lntest/miner/miner.go b/lntest/miner/miner.go index 0a81a07af6..bc05f542fd 100644 --- a/lntest/miner/miner.go +++ b/lntest/miner/miner.go @@ -410,7 +410,7 @@ func (h *HarnessMiner) AssertOutpointInMempool(op wire.OutPoint) *wire.MsgTx { } for _, txid := range mempool { - // We don't use `ht.Miner.GetRawTransaction` which + // We don't use `ht.GetRawTransaction` which // asserts a txid must be found. While iterating here, // the actual mempool state might have been changed, // causing a given txid being removed and cannot be From 14e7b134d9b680dcf4a351f56701d2569ba26f73 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 1 May 2024 19:09:45 +0800 Subject: [PATCH 128/343] lntest+itest: make `Miner` a private instance --- itest/lnd_channel_force_close_test.go | 2 +- itest/lnd_nonstd_sweep_test.go | 2 +- itest/lnd_open_channel_test.go | 2 +- itest/lnd_rest_api_test.go | 4 +- itest/lnd_revocation_test.go | 2 +- itest/lnd_sweep_test.go | 12 +++--- itest/lnd_taproot_test.go | 2 +- lntest/harness.go | 26 ++++++------ lntest/harness_miner.go | 60 ++++++++++++++++----------- 9 files changed, 61 insertions(+), 51 deletions(-) diff --git a/itest/lnd_channel_force_close_test.go b/itest/lnd_channel_force_close_test.go index 529622645c..bd4a13dc44 100644 --- a/itest/lnd_channel_force_close_test.go +++ b/itest/lnd_channel_force_close_test.go @@ -709,7 +709,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // NOTE: we don't check `len(mempool) == 1` because it will // give us false positive. err := wait.NoError(func() error { - mempool := ht.Miner.GetRawMempool() + mempool := ht.Miner().GetRawMempool() if len(mempool) == 2 { return nil } diff --git a/itest/lnd_nonstd_sweep_test.go b/itest/lnd_nonstd_sweep_test.go index 6626766d79..f83daa669f 100644 --- a/itest/lnd_nonstd_sweep_test.go +++ b/itest/lnd_nonstd_sweep_test.go @@ -125,7 +125,7 @@ func testNonStdSweepInner(ht *lntest.HarnessTest, address string) { // Fetch the vsize of the transaction so we can determine if the // transaction pays >= 1 sat/vbyte. - rawTx := ht.Miner.GetRawTransactionVerbose(txid) + rawTx := ht.Miner().GetRawTransactionVerbose(txid) // Require fee >= vbytes. require.True(ht, fee >= int(rawTx.Vsize)) diff --git a/itest/lnd_open_channel_test.go b/itest/lnd_open_channel_test.go index 1ebc9fbf4f..a7bac1b451 100644 --- a/itest/lnd_open_channel_test.go +++ b/itest/lnd_open_channel_test.go @@ -32,7 +32,7 @@ func testOpenChannelAfterReorg(ht *lntest.HarnessTest) { // Create a temp miner. tempMiner := ht.SpawnTempMiner() - miner := ht.Miner + miner := ht.Miner() alice, bob := ht.Alice, ht.Bob // Create a new channel that requires 1 confs before it's considered diff --git a/itest/lnd_rest_api_test.go b/itest/lnd_rest_api_test.go index cd18e210d3..ce2884e776 100644 --- a/itest/lnd_rest_api_test.go +++ b/itest/lnd_rest_api_test.go @@ -296,7 +296,7 @@ func wsTestCaseSubscription(ht *lntest.HarnessTest) { }() // Mine a block and make sure we get a message for it. - blockHashes := ht.Miner.GenerateBlocks(1) + blockHashes := ht.Miner().GenerateBlocks(1) select { case msg := <-msgChan: require.Equal( @@ -388,7 +388,7 @@ func wsTestCaseSubscriptionMacaroon(ht *lntest.HarnessTest) { }() // Mine a block and make sure we get a message for it. - blockHashes := ht.Miner.GenerateBlocks(1) + blockHashes := ht.Miner().GenerateBlocks(1) select { case msg := <-msgChan: require.Equal( diff --git a/itest/lnd_revocation_test.go b/itest/lnd_revocation_test.go index f5d07b4922..82415e0396 100644 --- a/itest/lnd_revocation_test.go +++ b/itest/lnd_revocation_test.go @@ -579,7 +579,7 @@ func revokedCloseRetributionRemoteHodlCase(ht *lntest.HarnessTest, // NOTE: We don't use `ht.GetRawTransaction` // which asserts a txid must be found as the HTLC // spending txes might be aggregated. - tx, err := ht.Miner.Client.GetRawTransaction(txid) + tx, err := ht.Miner().Client.GetRawTransaction(txid) if err != nil { return nil, err } diff --git a/itest/lnd_sweep_test.go b/itest/lnd_sweep_test.go index 7a648ec4ee..018f28c8ea 100644 --- a/itest/lnd_sweep_test.go +++ b/itest/lnd_sweep_test.go @@ -172,7 +172,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // Remember the force close height so we can calculate the deadline // height. - _, forceCloseHeight := ht.Miner.GetBestBlock() + _, forceCloseHeight := ht.GetBestBlock() // Bob should have two pending sweeps, // - anchor sweeping from his local commitment. @@ -304,7 +304,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // // Once out of the above loop, we expect to be 2 blocks before the CPFP // deadline. - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() require.Equal(ht, int(anchorDeadline-2), int(currentHeight)) // Mine one more block, we'd use up all the CPFP budget. @@ -512,7 +512,7 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { forceCloseHeight := htlc.ExpirationHeight - goToChainDelta // Mine till the goToChainHeight is reached. - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() numBlocks := forceCloseHeight - uint32(currentHeight) ht.MineEmptyBlocks(int(numBlocks)) @@ -641,7 +641,7 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { // // Once out of the above loop, we expect to be 2 blocks before the CPFP // deadline. - _, currentHeight = ht.Miner.GetBestBlock() + _, currentHeight = ht.GetBestBlock() require.Equal(ht, int(anchorDeadline-2), int(currentHeight)) // Mine one more block, we'd use up all the CPFP budget. @@ -1380,7 +1380,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // // TODO(yy): assert they are equal once blocks are synced via // `blockbeat`. - _, currentHeight := ht.Miner.GetBestBlock() + _, currentHeight := ht.GetBestBlock() actualDeadline := int32(pendingSweepBob.DeadlineHeight) - currentHeight if actualDeadline != int32(deadlineB) { ht.Logf("!!! Found unsynced block between sweeper and "+ @@ -1438,7 +1438,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // // TODO(yy): assert they are equal once blocks are synced via // `blockbeat`. - _, currentHeight = ht.Miner.GetBestBlock() + _, currentHeight = ht.GetBestBlock() actualDeadline = int32(aliceCommit.DeadlineHeight) - currentHeight if actualDeadline != int32(deadlineA) { ht.Logf("!!! Found unsynced block between Alice's sweeper and "+ diff --git a/itest/lnd_taproot_test.go b/itest/lnd_taproot_test.go index cea9ca8335..aa39c55d64 100644 --- a/itest/lnd_taproot_test.go +++ b/itest/lnd_taproot_test.go @@ -96,7 +96,7 @@ func testTaprootSendCoinsKeySpendBip86(ht *lntest.HarnessTest, // Assert this is a segwit v1 address that starts with bcrt1p. require.Contains( - ht, p2trResp.Address, ht.Miner.ActiveNet.Bech32HRPSegwit+"1p", + ht, p2trResp.Address, ht.Miner().ActiveNet.Bech32HRPSegwit+"1p", ) // Send the coins from Alice's wallet to her own, but to the new p2tr diff --git a/lntest/harness.go b/lntest/harness.go index b406846ae5..6e34483661 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -77,9 +77,9 @@ type HarnessTest struct { // Embed the standbyNodes so we can easily access them via `ht.Alice`. standbyNodes - // Miner is a reference to a running full node that can be used to + // miner is a reference to a running full node that can be used to // create new blocks on the network. - Miner *miner.HarnessMiner + miner *miner.HarnessMiner // manager handles the start and stop of a given node. manager *nodeManager @@ -188,7 +188,7 @@ func (h *HarnessTest) Start(chain node.BackendConfig, h.manager.feeServiceURL = h.feeService.URL() // Assemble the miner. - h.Miner = miner + h.miner = miner } // ChainBackendName returns the chain backend name used in the test. @@ -254,7 +254,7 @@ func (h *HarnessTest) createAndSendOutput(target *node.HarnessNode, PkScript: addrScript, Value: int64(amt), } - h.Miner.SendOutput(output, defaultMinerFeeRate) + h.miner.SendOutput(output, defaultMinerFeeRate) } // SetupRemoteSigningStandbyNodes starts the initial seeder nodes within the @@ -371,7 +371,7 @@ func (h *HarnessTest) Stop() { h.stopChainBackend() // Stop the miner. - h.Miner.Stop() + h.miner.Stop() } // RunTestCase executes a harness test case. Any errors or panics will be @@ -414,7 +414,7 @@ func (h *HarnessTest) Subtest(t *testing.T) *HarnessTest { st := &HarnessTest{ T: t, manager: h.manager, - Miner: h.Miner, + miner: h.miner, standbyNodes: h.standbyNodes, feeService: h.feeService, lndErrorChan: make(chan error, lndErrorChanSize), @@ -424,7 +424,7 @@ func (h *HarnessTest) Subtest(t *testing.T) *HarnessTest { st.runCtx, st.cancel = context.WithCancel(h.runCtx) // Inherit the subtest for the miner. - st.Miner.T = st.T + st.miner.T = st.T // Reset the standby nodes. st.resetStandbyNodes(t) @@ -467,7 +467,7 @@ func (h *HarnessTest) Subtest(t *testing.T) *HarnessTest { st.shutdownNonStandbyNodes() // We require the mempool to be cleaned from the test. - require.Empty(st, st.Miner.GetRawMempool(), "mempool not "+ + require.Empty(st, st.miner.GetRawMempool(), "mempool not "+ "cleaned, please mine blocks to clean them all.") // Finally, cancel the run context. We have to do it here @@ -1298,7 +1298,7 @@ func (h *HarnessTest) CloseChannelAssertPending(hn *node.HarnessNode, pendingClose.ClosePending.Txid) // Assert the closing tx is in the mempool. - h.Miner.AssertTxInMempool(closeTxid) + h.miner.AssertTxInMempool(closeTxid) return stream, closeTxid } @@ -1396,7 +1396,7 @@ func (h *HarnessTest) fundCoins(amt btcutil.Amount, target *node.HarnessNode, PkScript: addrScript, Value: int64(amt), } - h.Miner.SendOutput(output, defaultMinerFeeRate) + h.miner.SendOutput(output, defaultMinerFeeRate) // Encode the pkScript in hex as this the format that it will be // returned via rpc. @@ -1903,7 +1903,7 @@ func (h *HarnessTest) CalculateTxFee(tx *wire.MsgTx) btcutil.Amount { var balance btcutil.Amount for _, in := range tx.TxIn { parentHash := in.PreviousOutPoint.Hash - rawTx := h.Miner.GetRawTransaction(&parentHash) + rawTx := h.miner.GetRawTransaction(&parentHash) parent := rawTx.MsgTx() value := parent.TxOut[in.PreviousOutPoint.Index].Value @@ -2121,12 +2121,12 @@ func (h *HarnessTest) ReceiveChannelEvent( func (h *HarnessTest) GetOutputIndex(txid *chainhash.Hash, addr string) int { // We'll then extract the raw transaction from the mempool in order to // determine the index of the p2tr output. - tx := h.Miner.GetRawTransaction(txid) + tx := h.miner.GetRawTransaction(txid) p2trOutputIndex := -1 for i, txOut := range tx.MsgTx().TxOut { _, addrs, _, err := txscript.ExtractPkScriptAddrs( - txOut.PkScript, h.Miner.ActiveNet, + txOut.PkScript, h.miner.ActiveNet, ) require.NoError(h, err) diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 3ed782df62..984c995d8a 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -13,6 +13,16 @@ import ( "github.com/stretchr/testify/require" ) +// Miner returns the miner instance. +// +// NOTE: Caller should keep in mind that when using this private instance, +// certain states won't be managed by the HarnessTest anymore. For instance, +// when mining directly, the nodes managed by the HarnessTest can be out of +// sync, and the `HarnessTest.CurrentHeight()` won't be accurate. +func (h *HarnessTest) Miner() *miner.HarnessMiner { + return h.miner +} + // MineBlocks mines blocks and asserts all active nodes have synced to the // chain. It assumes no txns are expected in the blocks. // @@ -23,7 +33,7 @@ func (h *HarnessTest) MineBlocks(num int) { // Mine num of blocks. for i := 0; i < num; i++ { - block := h.Miner.MineBlocks(1)[0] + block := h.miner.MineBlocks(1)[0] // Check the block doesn't have any txns except the coinbase. if len(block.Transactions) <= 1 { @@ -63,7 +73,7 @@ func (h *HarnessTest) MineBlocks(num int) { func (h *HarnessTest) MineEmptyBlocks(num int) []*wire.MsgBlock { require.Less(h, num, maxBlocksAllowed, "too many blocks to mine") - blocks := h.Miner.MineEmptyBlocks(num) + blocks := h.miner.MineEmptyBlocks(num) // Finally, make sure all the active nodes are synced. h.AssertActiveNodesSynced() @@ -85,16 +95,16 @@ func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, txids := h.AssertNumTxsInMempool(numTxs) // Mine blocks. - blocks := h.Miner.MineBlocksSlow(num) + blocks := h.miner.MineBlocksSlow(num) // Assert that all the transactions were included in the first block. for _, txid := range txids { - h.Miner.AssertTxInBlock(blocks[0], txid) + h.miner.AssertTxInBlock(blocks[0], txid) } // Make sure the mempool has been updated. for _, txid := range txids { - h.Miner.AssertTxNotInMempool(*txid) + h.miner.AssertTxNotInMempool(*txid) } // Finally, make sure all the active nodes are synced. @@ -126,7 +136,7 @@ func (h *HarnessTest) cleanMempool() { var bestBlock *wire.MsgBlock err := wait.NoError(func() error { // If mempool is empty, exit. - mem := h.Miner.GetRawMempool() + mem := h.miner.GetRawMempool() if len(mem) == 0 { _, height := h.GetBestBlock() h.Logf("Mined %d blocks when cleanup the mempool", @@ -136,7 +146,7 @@ func (h *HarnessTest) cleanMempool() { } // Otherwise mine a block. - blocks := h.Miner.MineBlocksSlow(1) + blocks := h.miner.MineBlocksSlow(1) bestBlock = blocks[len(blocks)-1] // Make sure all the active nodes are synced. @@ -183,7 +193,7 @@ func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { // AssertTxInMempool asserts a given transaction can be found in the mempool. func (h *HarnessTest) AssertTxInMempool(txid *chainhash.Hash) *wire.MsgTx { - return h.Miner.AssertTxInMempool(txid) + return h.miner.AssertTxInMempool(txid) } // AssertTxNotInMempool asserts a given transaction cannot be found in the @@ -193,76 +203,76 @@ func (h *HarnessTest) AssertTxInMempool(txid *chainhash.Hash) *wire.MsgTx { // entered the mempool before. Otherwise it might give false positive and the // tx may enter the mempool after the check. func (h *HarnessTest) AssertTxNotInMempool(txid chainhash.Hash) *wire.MsgTx { - return h.Miner.AssertTxNotInMempool(txid) + return h.miner.AssertTxNotInMempool(txid) } // AssertNumTxsInMempool polls until finding the desired number of transactions // in the provided miner's mempool. It will asserrt if this number is not met // after the given timeout. func (h *HarnessTest) AssertNumTxsInMempool(n int) []*chainhash.Hash { - return h.Miner.AssertNumTxsInMempool(n) + return h.miner.AssertNumTxsInMempool(n) } // AssertOutpointInMempool asserts a given outpoint can be found in the mempool. func (h *HarnessTest) AssertOutpointInMempool(op wire.OutPoint) *wire.MsgTx { - return h.Miner.AssertOutpointInMempool(op) + return h.miner.AssertOutpointInMempool(op) } // AssertTxInBlock asserts that a given txid can be found in the passed block. func (h *HarnessTest) AssertTxInBlock(block *wire.MsgBlock, txid *chainhash.Hash) { - h.Miner.AssertTxInBlock(block, txid) + h.miner.AssertTxInBlock(block, txid) } // GetNumTxsFromMempool polls until finding the desired number of transactions // in the miner's mempool and returns the full transactions to the caller. func (h *HarnessTest) GetNumTxsFromMempool(n int) []*wire.MsgTx { - return h.Miner.GetNumTxsFromMempool(n) + return h.miner.GetNumTxsFromMempool(n) } // GetBestBlock makes a RPC request to miner and asserts. func (h *HarnessTest) GetBestBlock() (*chainhash.Hash, int32) { - return h.Miner.GetBestBlock() + return h.miner.GetBestBlock() } // MineBlockWithTx mines a single block to include the specifies tx only. func (h *HarnessTest) MineBlockWithTx(tx *wire.MsgTx) *wire.MsgBlock { - return h.Miner.MineBlockWithTx(tx) + return h.miner.MineBlockWithTx(tx) } // ConnectToMiner connects the miner to a temp miner. func (h *HarnessTest) ConnectToMiner(tempMiner *miner.HarnessMiner) { - h.Miner.ConnectMiner(tempMiner) + h.miner.ConnectMiner(tempMiner) } // DisconnectFromMiner disconnects the miner from the temp miner. func (h *HarnessTest) DisconnectFromMiner(tempMiner *miner.HarnessMiner) { - h.Miner.DisconnectMiner(tempMiner) + h.miner.DisconnectMiner(tempMiner) } // GetRawMempool makes a RPC call to the miner's GetRawMempool and // asserts. func (h *HarnessTest) GetRawMempool() []*chainhash.Hash { - return h.Miner.GetRawMempool() + return h.miner.GetRawMempool() } // GetRawTransaction makes a RPC call to the miner's GetRawTransaction and // asserts. func (h *HarnessTest) GetRawTransaction(txid *chainhash.Hash) *btcutil.Tx { - return h.Miner.GetRawTransaction(txid) + return h.miner.GetRawTransaction(txid) } // NewMinerAddress creates a new address for the miner and asserts. func (h *HarnessTest) NewMinerAddress() btcutil.Address { - return h.Miner.NewMinerAddress() + return h.miner.NewMinerAddress() } // SpawnTempMiner creates a temp miner and syncs it with the current miner. // Once miners are synced, the temp miner is disconnected from the original // miner and returned. func (h *HarnessTest) SpawnTempMiner() *miner.HarnessMiner { - return h.Miner.SpawnTempMiner() + return h.miner.SpawnTempMiner() } // CreateTransaction uses the miner to create a transaction using the given @@ -270,7 +280,7 @@ func (h *HarnessTest) SpawnTempMiner() *miner.HarnessMiner { func (h *HarnessTest) CreateTransaction(outputs []*wire.TxOut, feeRate btcutil.Amount) *wire.MsgTx { - return h.Miner.CreateTransaction(outputs, feeRate) + return h.miner.CreateTransaction(outputs, feeRate) } // SendOutputsWithoutChange uses the miner to send the given outputs using the @@ -278,7 +288,7 @@ func (h *HarnessTest) CreateTransaction(outputs []*wire.TxOut, func (h *HarnessTest) SendOutputsWithoutChange(outputs []*wire.TxOut, feeRate btcutil.Amount) *chainhash.Hash { - return h.Miner.SendOutputsWithoutChange(outputs, feeRate) + return h.miner.SendOutputsWithoutChange(outputs, feeRate) } // AssertMinerBlockHeightDelta ensures that tempMiner is 'delta' blocks ahead @@ -286,7 +296,7 @@ func (h *HarnessTest) SendOutputsWithoutChange(outputs []*wire.TxOut, func (h *HarnessTest) AssertMinerBlockHeightDelta( tempMiner *miner.HarnessMiner, delta int32) { - h.Miner.AssertMinerBlockHeightDelta(tempMiner, delta) + h.miner.AssertMinerBlockHeightDelta(tempMiner, delta) } // SendRawTransaction submits the encoded transaction to the server which will @@ -294,7 +304,7 @@ func (h *HarnessTest) AssertMinerBlockHeightDelta( func (h *HarnessTest) SendRawTransaction(tx *wire.MsgTx, allowHighFees bool) (chainhash.Hash, error) { - txid, err := h.Miner.Client.SendRawTransaction(tx, allowHighFees) + txid, err := h.miner.Client.SendRawTransaction(tx, allowHighFees) require.NoError(h, err) return *txid, nil From f1f341095e2ad9c50b093affae355c0030a1aa3b Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 2 May 2024 14:05:09 +0800 Subject: [PATCH 129/343] lntest+itest: add new method `CurrentHeight` --- itest/lnd_channel_backup_test.go | 4 ++-- itest/lnd_channel_force_close_test.go | 8 ++++---- itest/lnd_channel_graph_test.go | 4 ++-- itest/lnd_funding_test.go | 2 +- itest/lnd_hold_invoice_force_test.go | 6 +++--- itest/lnd_multi-hop_test.go | 14 +++++++------- itest/lnd_onchain_test.go | 4 ++-- itest/lnd_routing_test.go | 2 +- itest/lnd_sweep_test.go | 18 +++++++++--------- itest/lnd_taproot_test.go | 14 +++++++------- itest/lnd_test.go | 2 +- itest/lnd_zero_conf_test.go | 2 +- lntest/harness.go | 6 +++++- lntest/harness_miner.go | 21 +++++++++++++++++++++ 14 files changed, 66 insertions(+), 41 deletions(-) diff --git a/itest/lnd_channel_backup_test.go b/itest/lnd_channel_backup_test.go index 283cd4090c..8da67a71a0 100644 --- a/itest/lnd_channel_backup_test.go +++ b/itest/lnd_channel_backup_test.go @@ -624,8 +624,8 @@ func runChanRestoreScenarioCommitTypes(ht *lntest.HarnessTest, var fundingShim *lnrpc.FundingShim if ct == lnrpc.CommitmentType_SCRIPT_ENFORCED_LEASE { - _, minerHeight := ht.GetBestBlock() - thawHeight := uint32(minerHeight + thawHeightDelta) + minerHeight := ht.CurrentHeight() + thawHeight := minerHeight + thawHeightDelta fundingShim, _ = deriveFundingShim( ht, dave, carol, crs.params.Amt, thawHeight, true, ct, diff --git a/itest/lnd_channel_force_close_test.go b/itest/lnd_channel_force_close_test.go index bd4a13dc44..34df5ab591 100644 --- a/itest/lnd_channel_force_close_test.go +++ b/itest/lnd_channel_force_close_test.go @@ -160,7 +160,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Fetch starting height of this test so we can compute the block // heights we expect certain events to take place. - _, curHeight := ht.GetBestBlock() + curHeight := int32(ht.CurrentHeight()) // Using the current height of the chain, derive the relevant heights // for incubating two-stage htlcs. @@ -431,7 +431,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, ht.MineBlocksAndAssertNumTxes(1, 1) // Update current height - _, curHeight = ht.GetBestBlock() + curHeight = int32(ht.CurrentHeight()) // checkForceClosedChannelNumHtlcs verifies that a force closed channel // has the proper number of htlcs. @@ -485,7 +485,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // number of blocks we have generated since adding it to the nursery, // and take an additional block off so that we end up one block shy of // the expiry height, and add the block padding. - _, currentHeight := ht.GetBestBlock() + currentHeight := int32(ht.CurrentHeight()) cltvHeightDelta := int(htlcExpiryHeight - uint32(currentHeight) - 1) // Advance the blockchain until just before the CLTV expires, nothing @@ -662,7 +662,7 @@ func channelForceClosureTest(ht *lntest.HarnessTest, // Advance the chain until just before the 2nd-layer CSV delays expire. // For anchor channels this is one block earlier. - _, currentHeight = ht.GetBestBlock() + currentHeight = int32(ht.CurrentHeight()) ht.Logf("current height: %v, htlcCsvMaturityHeight=%v", currentHeight, htlcCsvMaturityHeight) numBlocks := int(htlcCsvMaturityHeight - uint32(currentHeight) - 2) diff --git a/itest/lnd_channel_graph_test.go b/itest/lnd_channel_graph_test.go index 96f6f3cfb1..cf97bcf390 100644 --- a/itest/lnd_channel_graph_test.go +++ b/itest/lnd_channel_graph_test.go @@ -316,7 +316,7 @@ func testGraphTopologyNtfns(ht *lntest.HarnessTest, pinned bool) { ht.AssertNumNodeAnns(alice, alice.PubKeyStr, 1) ht.AssertNumNodeAnns(alice, bob.PubKeyStr, 1) - _, blockHeight := ht.GetBestBlock() + blockHeight := ht.CurrentHeight() // Now we'll test that updates are properly sent after channels are // closed within the network. @@ -326,7 +326,7 @@ func testGraphTopologyNtfns(ht *lntest.HarnessTest, pinned bool) { // notification indicating so. closedChan := ht.AssertTopologyChannelClosed(alice, chanPoint) - require.Equal(ht, uint32(blockHeight+1), closedChan.ClosedHeight, + require.Equal(ht, blockHeight+1, closedChan.ClosedHeight, "close heights of channel mismatch") fundingTxid := ht.OutPointFromChannelPoint(chanPoint) diff --git a/itest/lnd_funding_test.go b/itest/lnd_funding_test.go index 8b19b1c163..f8ba4f9fb4 100644 --- a/itest/lnd_funding_test.go +++ b/itest/lnd_funding_test.go @@ -862,7 +862,7 @@ func testChannelFundingPersistence(ht *lntest.HarnessTest) { ht.AssertTxInBlock(block, fundingTxID) // Get the height that our transaction confirmed at. - _, height := ht.GetBestBlock() + height := int32(ht.CurrentHeight()) // Restart both nodes to test that the appropriate state has been // persisted and that both nodes recover gracefully. diff --git a/itest/lnd_hold_invoice_force_test.go b/itest/lnd_hold_invoice_force_test.go index 6a670175c9..2b251b3cb9 100644 --- a/itest/lnd_hold_invoice_force_test.go +++ b/itest/lnd_hold_invoice_force_test.go @@ -59,14 +59,14 @@ func testHoldInvoiceForceClose(ht *lntest.HarnessTest) { require.Len(ht, channel.PendingHtlcs, 1) activeHtlc := channel.PendingHtlcs[0] - _, currentHeight := ht.GetBestBlock() + currentHeight := ht.CurrentHeight() // Now we will mine blocks until the htlc expires, and wait for each // node to sync to our latest height. Sanity check that we won't // underflow. - require.Greater(ht, activeHtlc.ExpirationHeight, uint32(currentHeight), + require.Greater(ht, activeHtlc.ExpirationHeight, currentHeight, "expected expiry after current height") - blocksTillExpiry := activeHtlc.ExpirationHeight - uint32(currentHeight) + blocksTillExpiry := activeHtlc.ExpirationHeight - currentHeight // Alice will go to chain with some delta, sanity check that we won't // underflow and subtract this from our mined blocks. diff --git a/itest/lnd_multi-hop_test.go b/itest/lnd_multi-hop_test.go index 9c5959efd6..47df4c38fd 100644 --- a/itest/lnd_multi-hop_test.go +++ b/itest/lnd_multi-hop_test.go @@ -2092,7 +2092,7 @@ func runMultiHopHtlcAggregation(ht *lntest.HarnessTest, numBlocks := uint32(forceCloseChan.BlocksTilMaturity) // Add debug log. - _, height := ht.GetBestBlock() + height := ht.CurrentHeight() bob.AddToLogf("itest: now mine %d blocks at height %d", numBlocks, height) ht.MineEmptyBlocks(int(numBlocks) - 1) @@ -2232,8 +2232,8 @@ func createThreeHopNetwork(ht *lntest.HarnessTest, var aliceFundingShim *lnrpc.FundingShim var thawHeight uint32 if c == lnrpc.CommitmentType_SCRIPT_ENFORCED_LEASE { - _, minerHeight := ht.GetBestBlock() - thawHeight = uint32(minerHeight + thawHeightDelta) + minerHeight := ht.CurrentHeight() + thawHeight = minerHeight + thawHeightDelta aliceFundingShim, _ = deriveFundingShim( ht, alice, bob, chanAmt, thawHeight, true, c, ) @@ -2449,10 +2449,10 @@ func runExtraPreimageFromRemoteCommit(ht *lntest.HarnessTest, // Get the current height to compute number of blocks to mine to // trigger the htlc timeout resolver from Bob. - _, height := ht.GetBestBlock() + height := ht.CurrentHeight() // We'll now mine enough blocks to trigger Bob's timeout resolver. - numBlocks = htlc.ExpirationHeight - uint32(height) - + numBlocks = htlc.ExpirationHeight - height - lncfg.DefaultOutgoingBroadcastDelta // We should now have Carol's htlc success tx in the mempool. @@ -2680,12 +2680,12 @@ func runExtraPreimageFromLocalCommit(ht *lntest.HarnessTest, // Get the current height to compute number of blocks to mine to // trigger the timeout resolver from Bob. - _, height := ht.GetBestBlock() + height := ht.CurrentHeight() // We'll now mine enough blocks to trigger Bob's htlc timeout resolver // to act. Once his timeout resolver starts, it will extract the // preimage from Carol's direct spend tx found in the mempool. - numBlocks = htlc.ExpirationHeight - uint32(height) - + numBlocks = htlc.ExpirationHeight - height - lncfg.DefaultOutgoingBroadcastDelta // Decrease the fee rate used by the sweeper so Bob's timeout tx will diff --git a/itest/lnd_onchain_test.go b/itest/lnd_onchain_test.go index 11abbdbb73..9ddf194b31 100644 --- a/itest/lnd_onchain_test.go +++ b/itest/lnd_onchain_test.go @@ -486,7 +486,7 @@ func testAnchorThirdPartySpend(ht *lntest.HarnessTest) { // We now update the anchor sweep's deadline to be different than the // commit sweep so they can won't grouped together. - _, currentHeight := ht.GetBestBlock() + currentHeight := int32(ht.CurrentHeight()) deadline := int32(commit.DeadlineHeight) - currentHeight require.Positive(ht, deadline) ht.Logf("Found commit deadline %d, anchor deadline %d", @@ -836,7 +836,7 @@ func testListSweeps(ht *lntest.HarnessTest) { ht.MineEmptyBlocks(1) // Get the current block height. - _, blockHeight := ht.GetBestBlock() + blockHeight := int32(ht.CurrentHeight()) // Close the second channel and also sweep the funds. ht.ForceCloseChannel(alice, chanPoints[1]) diff --git a/itest/lnd_routing_test.go b/itest/lnd_routing_test.go index 5e0a381b07..1e627c7d70 100644 --- a/itest/lnd_routing_test.go +++ b/itest/lnd_routing_test.go @@ -117,7 +117,7 @@ func testSingleHopSendToRouteCase(ht *lntest.HarnessTest, // Assert Carol and Dave are synced to the chain before proceeding, to // ensure the queried route will have a valid final CLTV once the HTLC // reaches Dave. - _, minerHeight := ht.GetBestBlock() + minerHeight := int32(ht.CurrentHeight()) ht.WaitForNodeBlockHeight(carol, minerHeight) ht.WaitForNodeBlockHeight(dave, minerHeight) diff --git a/itest/lnd_sweep_test.go b/itest/lnd_sweep_test.go index 018f28c8ea..b95bc0513d 100644 --- a/itest/lnd_sweep_test.go +++ b/itest/lnd_sweep_test.go @@ -172,7 +172,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // Remember the force close height so we can calculate the deadline // height. - _, forceCloseHeight := ht.GetBestBlock() + forceCloseHeight := ht.CurrentHeight() // Bob should have two pending sweeps, // - anchor sweeping from his local commitment. @@ -188,7 +188,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { sweeps := ht.AssertNumPendingSweeps(bob, 2) // The two anchor sweeping should have the same deadline height. - deadlineHeight := uint32(forceCloseHeight) + deadlineDeltaAnchor + deadlineHeight := forceCloseHeight + deadlineDeltaAnchor require.Equal(ht, deadlineHeight, sweeps[0].DeadlineHeight) require.Equal(ht, deadlineHeight, sweeps[1].DeadlineHeight) @@ -304,7 +304,7 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { // // Once out of the above loop, we expect to be 2 blocks before the CPFP // deadline. - _, currentHeight := ht.GetBestBlock() + currentHeight := ht.CurrentHeight() require.Equal(ht, int(anchorDeadline-2), int(currentHeight)) // Mine one more block, we'd use up all the CPFP budget. @@ -512,8 +512,8 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { forceCloseHeight := htlc.ExpirationHeight - goToChainDelta // Mine till the goToChainHeight is reached. - _, currentHeight := ht.GetBestBlock() - numBlocks := forceCloseHeight - uint32(currentHeight) + currentHeight := ht.CurrentHeight() + numBlocks := forceCloseHeight - currentHeight ht.MineEmptyBlocks(int(numBlocks)) // Assert Bob's force closing tx has been broadcast. @@ -641,7 +641,7 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { // // Once out of the above loop, we expect to be 2 blocks before the CPFP // deadline. - _, currentHeight = ht.GetBestBlock() + currentHeight = ht.CurrentHeight() require.Equal(ht, int(anchorDeadline-2), int(currentHeight)) // Mine one more block, we'd use up all the CPFP budget. @@ -1380,7 +1380,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // // TODO(yy): assert they are equal once blocks are synced via // `blockbeat`. - _, currentHeight := ht.GetBestBlock() + currentHeight := int32(ht.CurrentHeight()) actualDeadline := int32(pendingSweepBob.DeadlineHeight) - currentHeight if actualDeadline != int32(deadlineB) { ht.Logf("!!! Found unsynced block between sweeper and "+ @@ -1438,7 +1438,7 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // // TODO(yy): assert they are equal once blocks are synced via // `blockbeat`. - _, currentHeight = ht.GetBestBlock() + currentHeight = int32(ht.CurrentHeight()) actualDeadline = int32(aliceCommit.DeadlineHeight) - currentHeight if actualDeadline != int32(deadlineA) { ht.Logf("!!! Found unsynced block between Alice's sweeper and "+ @@ -1972,7 +1972,7 @@ func runBumpFee(ht *lntest.HarnessTest, alice *node.HarnessNode) { // Since the request doesn't specify a deadline, we expect the default // deadline to be used. - _, currentHeight := ht.GetBestBlock() + currentHeight := int32(ht.CurrentHeight()) deadline := uint32(currentHeight + sweep.DefaultDeadlineDelta) // Assert the pending sweep is created with the expected values: diff --git a/itest/lnd_taproot_test.go b/itest/lnd_taproot_test.go index aa39c55d64..9434586a40 100644 --- a/itest/lnd_taproot_test.go +++ b/itest/lnd_taproot_test.go @@ -1535,13 +1535,13 @@ func publishTxAndConfirmSweep(ht *lntest.HarnessTest, node *node.HarnessNode, // Before we publish the tx that spends the p2tr transaction, we want to // register a spend listener that we expect to fire after mining the // block. - _, currentHeight := ht.GetBestBlock() + currentHeight := ht.CurrentHeight() // For a Taproot output we cannot leave the outpoint empty. Let's make // sure the API returns the correct error here. req := &chainrpc.SpendRequest{ Script: spendRequest.Script, - HeightHint: uint32(currentHeight), + HeightHint: currentHeight, } spendClient := node.RPC.RegisterSpendNtfn(req) @@ -1556,7 +1556,7 @@ func publishTxAndConfirmSweep(ht *lntest.HarnessTest, node *node.HarnessNode, req = &chainrpc.SpendRequest{ Outpoint: spendRequest.Outpoint, Script: spendRequest.Script, - HeightHint: uint32(currentHeight), + HeightHint: currentHeight, } spendClient = node.RPC.RegisterSpendNtfn(req) @@ -1582,7 +1582,7 @@ func publishTxAndConfirmSweep(ht *lntest.HarnessTest, node *node.HarnessNode, require.NoError(ht, err) spend := spendMsg.GetSpend() require.NotNil(ht, spend) - require.Equal(ht, spend.SpendingHeight, uint32(currentHeight+1)) + require.Equal(ht, spend.SpendingHeight, currentHeight+1) } // confirmAddress makes sure that a transaction in the mempool spends funds to @@ -1609,11 +1609,11 @@ func confirmAddress(ht *lntest.HarnessTest, hn *node.HarnessNode, addrPkScript, err := txscript.PayToAddrScript(parsedAddr) require.NoError(ht, err) - _, currentHeight := ht.GetBestBlock() + currentHeight := ht.CurrentHeight() req := &chainrpc.ConfRequest{ Script: addrPkScript, Txid: txid[:], - HeightHint: uint32(currentHeight), + HeightHint: currentHeight, NumConfs: 1, IncludeBlock: true, } @@ -1628,7 +1628,7 @@ func confirmAddress(ht *lntest.HarnessTest, hn *node.HarnessNode, require.NoError(ht, err) conf := confMsg.GetConf() require.NotNil(ht, conf) - require.Equal(ht, conf.BlockHeight, uint32(currentHeight+1)) + require.Equal(ht, conf.BlockHeight, currentHeight+1) require.NotNil(ht, conf.RawBlock) // We should also be able to decode the raw block. diff --git a/itest/lnd_test.go b/itest/lnd_test.go index 83fe00a2ce..5b9105694d 100644 --- a/itest/lnd_test.go +++ b/itest/lnd_test.go @@ -151,7 +151,7 @@ func TestLightningNetworkDaemon(t *testing.T) { } } - _, height := harnessTest.GetBestBlock() + height := harnessTest.CurrentHeight() t.Logf("=========> tests finished for tranche: %v, tested %d "+ "cases, end height: %d\n", trancheIndex, len(testCases), height) } diff --git a/itest/lnd_zero_conf_test.go b/itest/lnd_zero_conf_test.go index 9af8b9703b..d638703769 100644 --- a/itest/lnd_zero_conf_test.go +++ b/itest/lnd_zero_conf_test.go @@ -962,7 +962,7 @@ func testZeroConfReorg(ht *lntest.HarnessTest) { ht.AssertMinerBlockHeightDelta(tempMiner, 1) // Wait for Carol to sync to the original miner's chain. - _, minerHeight := ht.GetBestBlock() + minerHeight := int32(ht.CurrentHeight()) ht.WaitForNodeBlockHeight(carol, minerHeight) // Now we'll disconnect Carol's chain backend from the original miner diff --git a/lntest/harness.go b/lntest/harness.go index 6e34483661..f5c67693ea 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -105,6 +105,9 @@ type HarnessTest struct { // cleaned specifies whether the cleanup has been applied for the // current HarnessTest. cleaned bool + + // currentHeight is the current height of the chain backend. + currentHeight uint32 } // harnessOpts contains functional option to modify the behavior of the various @@ -433,7 +436,8 @@ func (h *HarnessTest) Subtest(t *testing.T) *HarnessTest { st.feeService.Reset() // Record block height. - _, startHeight := h.GetBestBlock() + h.updateCurrentHeight() + startHeight := int32(h.CurrentHeight()) st.Cleanup(func() { _, endHeight := h.GetBestBlock() diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 984c995d8a..964965f32d 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -31,6 +31,9 @@ func (h *HarnessTest) Miner() *miner.HarnessMiner { func (h *HarnessTest) MineBlocks(num int) { require.Less(h, num, maxBlocksAllowed, "too many blocks to mine") + // Update the harness's current height. + defer h.updateCurrentHeight() + // Mine num of blocks. for i := 0; i < num; i++ { block := h.miner.MineBlocks(1)[0] @@ -73,6 +76,9 @@ func (h *HarnessTest) MineBlocks(num int) { func (h *HarnessTest) MineEmptyBlocks(num int) []*wire.MsgBlock { require.Less(h, num, maxBlocksAllowed, "too many blocks to mine") + // Update the harness's current height. + defer h.updateCurrentHeight() + blocks := h.miner.MineEmptyBlocks(num) // Finally, make sure all the active nodes are synced. @@ -90,6 +96,9 @@ func (h *HarnessTest) MineEmptyBlocks(num int) []*wire.MsgBlock { func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, numTxs int) []*wire.MsgBlock { + // Update the harness's current height. + defer h.updateCurrentHeight() + // If we expect transactions to be included in the blocks we'll mine, // we wait here until they are seen in the miner's mempool. txids := h.AssertNumTxsInMempool(numTxs) @@ -309,3 +318,15 @@ func (h *HarnessTest) SendRawTransaction(tx *wire.MsgTx, return *txid, nil } + +// CurrentHeight returns the current block height. +func (h *HarnessTest) CurrentHeight() uint32 { + return h.currentHeight +} + +// updateCurrentHeight set the harness's current height to the best known +// height. +func (h *HarnessTest) updateCurrentHeight() { + _, height := h.GetBestBlock() + h.currentHeight = uint32(height) +} From 8240a87c2be6c4a3e86ef22eab2dccb2d06771f5 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 20 May 2024 23:06:20 +0800 Subject: [PATCH 130/343] itest: fix misuse of `MineBlocks` and replace it with `MineBlocksAndAssertNumTxes` --- itest/lnd_channel_backup_test.go | 2 +- itest/lnd_estimate_route_fee_test.go | 2 ++ itest/lnd_mpp_test.go | 5 +++-- itest/lnd_multi-hop_test.go | 12 +++++++++--- itest/lnd_onchain_test.go | 2 +- itest/lnd_recovery_test.go | 3 +-- itest/lnd_res_handoff_test.go | 2 +- lntest/harness_miner.go | 2 +- 8 files changed, 19 insertions(+), 11 deletions(-) diff --git a/itest/lnd_channel_backup_test.go b/itest/lnd_channel_backup_test.go index 8da67a71a0..36b38f8b5c 100644 --- a/itest/lnd_channel_backup_test.go +++ b/itest/lnd_channel_backup_test.go @@ -94,7 +94,7 @@ func newChanRestoreScenario(ht *lntest.HarnessTest, ct lnrpc.CommitmentType, ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, dave) // Mine a block to confirm the funds. - ht.MineBlocks(1) + ht.MineBlocksAndAssertNumTxes(1, 2) // For the anchor output case we need two UTXOs for Carol so she can // sweep both the local and remote anchor. diff --git a/itest/lnd_estimate_route_fee_test.go b/itest/lnd_estimate_route_fee_test.go index 352dfe5ce2..8ed0be2725 100644 --- a/itest/lnd_estimate_route_fee_test.go +++ b/itest/lnd_estimate_route_fee_test.go @@ -359,6 +359,8 @@ func testEstimateRouteFee(ht *lntest.HarnessTest) { mts.ht.CloseChannelAssertPending(mts.bob, channelPointBobPaula, false) mts.ht.CloseChannelAssertPending(mts.eve, channelPointEvePaula, false) + ht.MineBlocksAndAssertNumTxes(1, 2) + mts.closeChannels() } diff --git a/itest/lnd_mpp_test.go b/itest/lnd_mpp_test.go index bf26798465..b5cd147dd7 100644 --- a/itest/lnd_mpp_test.go +++ b/itest/lnd_mpp_test.go @@ -208,7 +208,8 @@ func newMppTestScenario(ht *lntest.HarnessTest) *mppTestScenario { ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, carol) ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, dave) ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, eve) - ht.MineBlocks(1) + + ht.MineBlocksAndAssertNumTxes(1, 3) } mts := &mppTestScenario{ @@ -318,7 +319,7 @@ func (m *mppTestScenario) closeChannels() { m.ht.CloseChannelAssertPending(m.eve, m.channelPoints[5], false) // Now mine a block to include all the closing transactions. - m.ht.MineBlocks(1) + m.ht.MineBlocksAndAssertNumTxes(1, 6) // Assert that the channels are closed. for _, hn := range m.nodes { diff --git a/itest/lnd_multi-hop_test.go b/itest/lnd_multi-hop_test.go index 47df4c38fd..d095936196 100644 --- a/itest/lnd_multi-hop_test.go +++ b/itest/lnd_multi-hop_test.go @@ -2223,7 +2223,7 @@ func createThreeHopNetwork(ht *lntest.HarnessTest, ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, carol) // Mine 1 block to get the above coins confirmed. - ht.MineBlocks(1) + ht.MineBlocksAndAssertNumTxes(1, 3) } // We'll start the test by creating a channel between Alice and Bob, @@ -2703,8 +2703,14 @@ func runExtraPreimageFromLocalCommit(ht *lntest.HarnessTest, // Make sure the direct spend tx is still in the mempool. ht.AssertOutpointInMempool(htlcOutpoint) - // Mine a block to confirm Carol's direct spend tx. - ht.MineBlocks(1) + // Mine a block to confirm two txns, + // - Carol's direct spend tx. + // - Bob's to_local output sweep tx. + if c != lnrpc.CommitmentType_SCRIPT_ENFORCED_LEASE { + ht.MineBlocksAndAssertNumTxes(1, 2) + } else { + ht.MineBlocksAndAssertNumTxes(1, 1) + } } // Finally, check that the Alice's payment is marked as succeeded as diff --git a/itest/lnd_onchain_test.go b/itest/lnd_onchain_test.go index 9ddf194b31..a34b9a2e47 100644 --- a/itest/lnd_onchain_test.go +++ b/itest/lnd_onchain_test.go @@ -601,7 +601,7 @@ func testAnchorThirdPartySpend(ht *lntest.HarnessTest) { Index: 1, } ht.AssertOutpointInMempool(commitSweepOp) - ht.MineBlocks(1) + ht.MineBlocksAndAssertNumTxes(1, 1) ht.AssertNumWaitingClose(alice, 0) } diff --git a/itest/lnd_recovery_test.go b/itest/lnd_recovery_test.go index ccc5f90afb..ea93f373eb 100644 --- a/itest/lnd_recovery_test.go +++ b/itest/lnd_recovery_test.go @@ -428,8 +428,7 @@ func testRescanAddressDetection(ht *lntest.HarnessTest) { }) // Wait until the spending tx is found and mine a block to confirm it. - ht.AssertNumTxsInMempool(1) - ht.MineBlocks(1) + ht.MineBlocksAndAssertNumTxes(1, 1) // The wallet should still just see a single UTXO of the change output // created earlier. diff --git a/itest/lnd_res_handoff_test.go b/itest/lnd_res_handoff_test.go index 8fc2f10434..941cc52837 100644 --- a/itest/lnd_res_handoff_test.go +++ b/itest/lnd_res_handoff_test.go @@ -66,7 +66,7 @@ func testResHandoff(ht *lntest.HarnessTest) { ht.AssertNumWaitingClose(bob, 1) // Mine a block to confirm the closing tx. - ht.MineBlocks(1) + ht.MineBlocksAndAssertNumTxes(1, 1) // We sleep here so we can be sure that the hand-off has occurred from // Bob's contractcourt to Bob's htlcswitch. This sleep could be removed diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 964965f32d..65994d254f 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -104,7 +104,7 @@ func (h *HarnessTest) MineBlocksAndAssertNumTxes(num uint32, txids := h.AssertNumTxsInMempool(numTxs) // Mine blocks. - blocks := h.miner.MineBlocksSlow(num) + blocks := h.miner.MineBlocks(num) // Assert that all the transactions were included in the first block. for _, txid := range txids { From 623f816f8e348f20460cf4e149647d1718e2154c Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 9 Jul 2024 01:32:16 +0800 Subject: [PATCH 131/343] lntest: remove redundant nodes shutdown The nodes are already shut down in the `Cleanup` in `ht.Subtest` so there's no need to shutdown them again. --- lntest/harness.go | 5 ----- 1 file changed, 5 deletions(-) diff --git a/lntest/harness.go b/lntest/harness.go index f5c67693ea..eefdcfec10 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -359,11 +359,6 @@ func (h *HarnessTest) Stop() { return } - // Stop all running nodes. - for _, node := range h.manager.activeNodes { - h.Shutdown(node) - } - close(h.lndErrorChan) // Stop the fee service. From 50279464ad4fcd630648dcd8c0f1728389c2f0de Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 9 Jul 2024 02:31:19 +0800 Subject: [PATCH 132/343] itest: remove unused param in `chanRestoreViaRPC` --- itest/lnd_channel_backup_test.go | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/itest/lnd_channel_backup_test.go b/itest/lnd_channel_backup_test.go index 36b38f8b5c..474cd663a0 100644 --- a/itest/lnd_channel_backup_test.go +++ b/itest/lnd_channel_backup_test.go @@ -267,7 +267,7 @@ func testChannelBackupRestoreBasic(ht *lntest.HarnessTest) { // the node from seed, then manually recover // the channel backup. return chanRestoreViaRPC( - st, password, mnemonic, multi, oldNode, + st, password, mnemonic, multi, ) }, }, @@ -291,7 +291,7 @@ func testChannelBackupRestoreBasic(ht *lntest.HarnessTest) { // create a new nodeRestorer that will restore // using the on-disk channel.backup. return chanRestoreViaRPC( - st, password, mnemonic, multi, oldNode, + st, password, mnemonic, multi, ) }, }, @@ -523,7 +523,7 @@ func runChanRestoreScenarioUnConfirmed(ht *lntest.HarnessTest, useFile bool) { // In our nodeRestorer function, we'll restore the node from seed, then // manually recover the channel backup. restoredNodeFunc := chanRestoreViaRPC( - ht, crs.password, crs.mnemonic, multi, dave, + ht, crs.password, crs.mnemonic, multi, ) // Test the scenario. @@ -658,7 +658,7 @@ func runChanRestoreScenarioCommitTypes(ht *lntest.HarnessTest, // Now that we have Dave's backup file, we'll create a new nodeRestorer // that we'll restore using the on-disk channels.backup. restoredNodeFunc := chanRestoreViaRPC( - ht, crs.password, crs.mnemonic, multi, dave, + ht, crs.password, crs.mnemonic, multi, ) // Test the scenario. @@ -687,7 +687,7 @@ func testChannelBackupRestoreLegacy(ht *lntest.HarnessTest) { // In our nodeRestorer function, we'll restore the node from seed, then // manually recover the channel backup. restoredNodeFunc := chanRestoreViaRPC( - ht, crs.password, crs.mnemonic, multi, dave, + ht, crs.password, crs.mnemonic, multi, ) // Test the scenario. @@ -779,7 +779,7 @@ func runChanRestoreScenarioForceClose(ht *lntest.HarnessTest, zeroConf bool) { // Now that we have Dave's backup file, we'll create a new nodeRestorer // that will restore using the on-disk channel.backup. restoredNodeFunc := chanRestoreViaRPC( - ht, crs.password, crs.mnemonic, multi, dave, + ht, crs.password, crs.mnemonic, multi, ) // We now wait until both Dave's closing tx. @@ -1388,8 +1388,7 @@ func createLegacyRevocationChannel(ht *lntest.HarnessTest, // instance which will restore the target node from a password+seed, then // trigger a SCB restore using the RPC interface. func chanRestoreViaRPC(ht *lntest.HarnessTest, password []byte, - mnemonic []string, multi []byte, - oldNode *node.HarnessNode) nodeRestorer { + mnemonic []string, multi []byte) nodeRestorer { backup := &lnrpc.RestoreChanBackupRequest_MultiChanBackup{ MultiChanBackup: multi, From 2608c0893ea8e6c8dc89ea88da2b95225692bba2 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 16 Jul 2024 01:04:36 +0800 Subject: [PATCH 133/343] multi: make sure `missionControlStore` catches `done` signal This commit makes sure `missionControlStore` catches the shutdown signal when draining the ticker. A few debug logs are added to aid the process. --- discovery/gossiper.go | 4 ++-- htlcswitch/decayedlog.go | 3 +++ routing/chainview/bitcoind.go | 5 +++-- routing/chainview/btcd.go | 5 +++-- routing/chainview/neutrino.go | 5 +++-- routing/missioncontrol_store.go | 13 +++++++++++-- 6 files changed, 25 insertions(+), 10 deletions(-) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 4805369ad5..53bfd38c2a 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -750,8 +750,8 @@ func (d *AuthenticatedGossiper) Stop() error { } func (d *AuthenticatedGossiper) stop() { - log.Info("Authenticated Gossiper is stopping") - defer log.Info("Authenticated Gossiper stopped") + log.Debug("Authenticated Gossiper is stopping") + defer log.Debug("Authenticated Gossiper stopped") d.blockEpochs.Cancel() diff --git a/htlcswitch/decayedlog.go b/htlcswitch/decayedlog.go index 026c6d6410..ca7e19e7d8 100644 --- a/htlcswitch/decayedlog.go +++ b/htlcswitch/decayedlog.go @@ -149,6 +149,9 @@ func (d *DecayedLog) initBuckets() error { // Stop halts the garbage collector and closes boltdb. func (d *DecayedLog) Stop() error { + log.Debugf("DecayedLog shutting down...") + defer log.Debugf("DecayedLog shutdown complete") + if !atomic.CompareAndSwapInt32(&d.stopped, 0, 1) { return nil } diff --git a/routing/chainview/bitcoind.go b/routing/chainview/bitcoind.go index 337f18262a..56e30c24a6 100644 --- a/routing/chainview/bitcoind.go +++ b/routing/chainview/bitcoind.go @@ -125,6 +125,9 @@ func (b *BitcoindFilteredChainView) Start() error { // // NOTE: This is part of the FilteredChainView interface. func (b *BitcoindFilteredChainView) Stop() error { + log.Debug("BitcoindFilteredChainView stopping") + defer log.Debug("BitcoindFilteredChainView stopped") + // Already shutting down? if atomic.AddInt32(&b.stopped, 1) != 1 { return nil @@ -136,8 +139,6 @@ func (b *BitcoindFilteredChainView) Stop() error { b.blockQueue.Stop() - log.Infof("FilteredChainView stopping") - close(b.quit) b.wg.Wait() diff --git a/routing/chainview/btcd.go b/routing/chainview/btcd.go index 876940693d..54c2ee4db1 100644 --- a/routing/chainview/btcd.go +++ b/routing/chainview/btcd.go @@ -135,6 +135,9 @@ func (b *BtcdFilteredChainView) Start() error { // // NOTE: This is part of the FilteredChainView interface. func (b *BtcdFilteredChainView) Stop() error { + log.Debug("BtcdFilteredChainView stopping") + defer log.Debug("BtcdFilteredChainView stopped") + // Already shutting down? if atomic.AddInt32(&b.stopped, 1) != 1 { return nil @@ -146,8 +149,6 @@ func (b *BtcdFilteredChainView) Stop() error { b.blockQueue.Stop() - log.Infof("FilteredChainView stopping") - close(b.quit) b.wg.Wait() diff --git a/routing/chainview/neutrino.go b/routing/chainview/neutrino.go index 6134cf991e..21f04ae95b 100644 --- a/routing/chainview/neutrino.go +++ b/routing/chainview/neutrino.go @@ -135,13 +135,14 @@ func (c *CfFilteredChainView) Start() error { // // NOTE: This is part of the FilteredChainView interface. func (c *CfFilteredChainView) Stop() error { + log.Debug("CfFilteredChainView stopping") + defer log.Debug("CfFilteredChainView stopped") + // Already shutting down? if atomic.AddInt32(&c.stopped, 1) != 1 { return nil } - log.Infof("FilteredChainView stopping") - close(c.quit) c.blockQueue.Stop() c.wg.Wait() diff --git a/routing/missioncontrol_store.go b/routing/missioncontrol_store.go index e149e85458..e07a46136e 100644 --- a/routing/missioncontrol_store.go +++ b/routing/missioncontrol_store.go @@ -303,7 +303,11 @@ func (b *missionControlStore) run() { // channel needs to be drained appropriately. This could happen // if the flushInterval is very small (e.g. 1 nanosecond). if !timer.Stop() { - <-timer.C + select { + case <-timer.C: + case <-b.done: + log.Debugf("Stopping mission control store") + } } for { @@ -335,7 +339,12 @@ func (b *missionControlStore) run() { case <-b.done: // Release the timer's resources. if !timer.Stop() { - <-timer.C + select { + case <-timer.C: + case <-b.done: + log.Debugf("Mission control " + + "store stopped") + } } return } From 4dcce9df6944efb5f894733a60ed84a37708808b Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 16 Jul 2024 01:53:59 +0800 Subject: [PATCH 134/343] lntest+itest: fix flakes found using `neutrino` backend This commit makes sure the sweep requests are received before mining blocks to trigger the actual sweeping. In addition, `testFundingExpiryBlocksOnPending` is updated to deal with the old `channel link not found` issue. --- itest/lnd_funding_test.go | 18 ++++++++++-------- itest/lnd_open_channel_test.go | 13 +++++++++++++ itest/lnd_psbt_test.go | 14 ++++++-------- lntest/harness_assertion.go | 7 ++++++- lntest/utils.go | 10 ++++++++-- 5 files changed, 43 insertions(+), 19 deletions(-) diff --git a/itest/lnd_funding_test.go b/itest/lnd_funding_test.go index f8ba4f9fb4..c6c79a893c 100644 --- a/itest/lnd_funding_test.go +++ b/itest/lnd_funding_test.go @@ -12,7 +12,6 @@ import ( "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/chainreg" - "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/funding" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/labels" @@ -1341,22 +1340,22 @@ func testChannelFundingWithUnstableUtxos(ht *lntest.HarnessTest) { // that by dave force-closing the channel. Which let's carol sweep its // to_remote output which is not encumbered by any relative locktime. ht.CloseChannelAssertPending(dave, chanPoint2, true) + // Mine the force close commitment transaction. ht.MineBlocksAndAssertNumTxes(1, 1) + // Make sure Carol sees her to_remote output from the force close tx. + ht.AssertNumPendingSweeps(carol, 1) + // Mine one block to trigger the sweep transaction. ht.MineEmptyBlocks(1) // We need to wait for carol initiating the sweep of the to_remote // output of chanPoint2. - utxos := ht.AssertNumUTXOsUnconfirmed(carol, 1) + utxo := ht.AssertNumUTXOsUnconfirmed(carol, 1)[0] - // We filter for the unconfirmed utxo and try to open a channel with - // that utxo. - utxoOpt := fn.Find(func(u *lnrpc.Utxo) bool { - return u.Confirmations == 0 - }, utxos) - fundingUtxo := utxoOpt.UnwrapOrFail(ht.T) + // We now try to open channel using the unconfirmed utxo. + fundingUtxo := utxo // Now try to open the channel with this utxo and expect an error. expectedErr := fmt.Errorf("outpoint already spent or "+ @@ -1405,6 +1404,9 @@ func testChannelFundingWithUnstableUtxos(ht *lntest.HarnessTest) { ht.CloseChannelAssertPending(dave, chanPoint3, true) ht.MineBlocksAndAssertNumTxes(1, 1) + // Make sure Carol sees her to_remote output from the force close tx. + ht.AssertNumPendingSweeps(carol, 1) + // Mine one block to trigger the sweep transaction. ht.MineEmptyBlocks(1) diff --git a/itest/lnd_open_channel_test.go b/itest/lnd_open_channel_test.go index a7bac1b451..52ec622cf7 100644 --- a/itest/lnd_open_channel_test.go +++ b/itest/lnd_open_channel_test.go @@ -4,6 +4,7 @@ import ( "fmt" "strings" "testing" + "time" "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg/chainhash" @@ -767,6 +768,18 @@ func testFundingExpiryBlocksOnPending(ht *lntest.HarnessTest) { // channel. ht.MineBlocksAndAssertNumTxes(1, 1) chanPoint := lntest.ChanPointFromPendingUpdate(update) + + // TODO(yy): remove the sleep once the following bug is fixed. + // + // We may get the error `unable to gracefully close channel + // while peer is offline (try force closing it instead): + // channel link not found`. This happens because the channel + // link hasn't been added yet but we now proceed to closing the + // channel. We may need to revisit how the channel open event + // is created and make sure the event is only sent after all + // relevant states have been updated. + time.Sleep(2 * time.Second) + ht.CloseChannel(alice, chanPoint) } diff --git a/itest/lnd_psbt_test.go b/itest/lnd_psbt_test.go index 9ed7295243..91d67ba376 100644 --- a/itest/lnd_psbt_test.go +++ b/itest/lnd_psbt_test.go @@ -1683,6 +1683,9 @@ func testPsbtChanFundingWithUnstableUtxos(ht *lntest.HarnessTest) { ht.CloseChannelAssertPending(dave, channelPoint, true) ht.MineBlocksAndAssertNumTxes(1, 1) + // Make sure Carol sees her to_remote output from the force close tx. + ht.AssertNumPendingSweeps(carol, 1) + // Mine one block to trigger the sweep transaction. ht.MineEmptyBlocks(1) @@ -1805,6 +1808,9 @@ func testPsbtChanFundingWithUnstableUtxos(ht *lntest.HarnessTest) { ht.CloseChannelAssertPending(dave, channelPoint2, true) ht.MineBlocksAndAssertNumTxes(1, 1) + // Make sure Carol sees her to_remote output from the force close tx. + ht.AssertNumPendingSweeps(carol, 1) + // Mine one block to trigger the sweep transaction. ht.MineEmptyBlocks(1) @@ -1929,12 +1935,6 @@ func testPsbtChanFundingWithUnstableUtxos(ht *lntest.HarnessTest) { updateResp = ht.ReceiveOpenChannelUpdate(chanUpdates) upd, ok = updateResp.Update.(*lnrpc.OpenStatusUpdate_ChanPending) require.True(ht, ok) - channelPoint3 := &lnrpc.ChannelPoint{ - FundingTxid: &lnrpc.ChannelPoint_FundingTxidBytes{ - FundingTxidBytes: upd.ChanPending.Txid, - }, - OutputIndex: upd.ChanPending.OutputIndex, - } err = finalTx.Deserialize(bytes.NewReader(finalizeRes.RawFinalTx)) require.NoError(ht, err) @@ -1942,6 +1942,4 @@ func testPsbtChanFundingWithUnstableUtxos(ht *lntest.HarnessTest) { txHash = finalTx.TxHash() block = ht.MineBlocksAndAssertNumTxes(1, 1)[0] ht.AssertTxInBlock(block, &txHash) - - ht.CloseChannel(carol, channelPoint3) } diff --git a/lntest/harness_assertion.go b/lntest/harness_assertion.go index 7a863a028e..4a5d04274e 100644 --- a/lntest/harness_assertion.go +++ b/lntest/harness_assertion.go @@ -785,8 +785,13 @@ func (h *HarnessTest) AssertNumUTXOsWithConf(hn *node.HarnessNode, return nil } + desc := "has UTXOs:\n" + for _, utxo := range resp.Utxos { + desc += fmt.Sprintf("%v\n", utxo) + } + return errNumNotMatched(hn.Name(), "num of UTXOs", - expectedUtxos, total-old, total, old) + expectedUtxos, total-old, total, old, desc) }, DefaultTimeout) require.NoError(h, err, "timeout waiting for UTXOs") diff --git a/lntest/utils.go b/lntest/utils.go index d230b6b611..d4ca705c31 100644 --- a/lntest/utils.go +++ b/lntest/utils.go @@ -53,10 +53,16 @@ func CopyFile(dest, src string) error { // errNumNotMatched is a helper method to return a nicely formatted error. func errNumNotMatched(name string, subject string, - want, got, total, old int) error { + want, got, total, old int, desc ...any) error { - return fmt.Errorf("%s: assert %s failed: want %d, got: %d, total: "+ + err := fmt.Errorf("%s: assert %s failed: want %d, got: %d, total: "+ "%d, previously had: %d", name, subject, want, got, total, old) + + if len(desc) > 0 { + err = fmt.Errorf("%w, desc: %v", err, desc) + } + + return err } // parseDerivationPath parses a path in the form of m/x'/y'/z'/a/b into a slice From 2d21aa3718d743d0dfa812ccb1f5937eb3ce858f Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 16 Jul 2024 03:39:52 +0800 Subject: [PATCH 135/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index f784065a21..8d658624fc 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -116,6 +116,11 @@ ## Tooling and Documentation +* [`lntest.HarnessTest` no longer exposes `Miner` + instance](https://github.com/lightningnetwork/lnd/pull/8892). Instead, it's + changed into a private `miner` instance and all mining related assertions are + now only accessible via the harness. + # Contributors (Alphabetical Order) * Andras Banki-Horvath From 91807625bbd449945fad7a8a893942f4ac68dbda Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 17 Jul 2024 19:20:33 +0800 Subject: [PATCH 136/343] itest: fix `testUnconfirmedChannelFunding` for neutrino This test was previously working because we'd mine an extra block to confirm the coins inside `FundCoinsUnconfirmed` when it's a neutrino backend, as shown in https://github.com/lightningnetwork/lnd/blob/fdd28c8d888792ea8fde3c557ba9f2594e0a6ec8/lntest/harness.go#L1431 Since neutrino has trouble seeing unconfirmed balance, we now send some coins to the wallet, confirm those, then do a self-transfer so the node will have unconfirmed outputs to perform the test. --- itest/lnd_funding_test.go | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/itest/lnd_funding_test.go b/itest/lnd_funding_test.go index c6c79a893c..8f43620ee1 100644 --- a/itest/lnd_funding_test.go +++ b/itest/lnd_funding_test.go @@ -291,6 +291,24 @@ func testUnconfirmedChannelFunding(ht *lntest.HarnessTest) { // We'll send her some unconfirmed funds. ht.FundCoinsUnconfirmed(2*chanAmt, carol) + // For neutrino backend, we will confirm the coins sent above and let + // Carol send all her funds to herself to create unconfirmed output. + if ht.IsNeutrinoBackend() { + // Confirm the above coins. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Create a new address and send to herself. + resp := carol.RPC.NewAddress(&lnrpc.NewAddressRequest{ + Type: lnrpc.AddressType_TAPROOT_PUBKEY, + }) + + // Once sent, Carol would have one unconfirmed UTXO. + carol.RPC.SendCoins(&lnrpc.SendCoinsRequest{ + Addr: resp.Address, + SendAll: true, + }) + } + // Now, we'll connect her to Alice so that they can open a channel // together. The funding flow should select Carol's unconfirmed output // as she doesn't have any other funds since it's a new node. @@ -361,11 +379,7 @@ func testUnconfirmedChannelFunding(ht *lntest.HarnessTest) { // parties. For neutrino backend, the funding transaction should be // mined. Otherwise, two transactions should be mined, the unconfirmed // spend and the funding tx. - if ht.IsNeutrinoBackend() { - ht.MineBlocksAndAssertNumTxes(6, 1) - } else { - ht.MineBlocksAndAssertNumTxes(6, 2) - } + ht.MineBlocksAndAssertNumTxes(6, 2) chanPoint := ht.WaitForChannelOpenEvent(chanOpenUpdate) From 0387a1edfbfc56abb75fcdd9d171d63765604767 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Tue, 23 Jul 2024 20:02:44 +0200 Subject: [PATCH 137/343] mod: bump fn to v1.2.0 This fixes the Coverage CI step by making sure the file system is in sync with the files pulled in through a Go submodule. --- go.mod | 4 ++-- go.sum | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/go.mod b/go.mod index afadc4e726..71aa008f06 100644 --- a/go.mod +++ b/go.mod @@ -35,7 +35,7 @@ require ( github.com/lightningnetwork/lightning-onion v1.2.1-0.20230823005744-06182b1d7d2f github.com/lightningnetwork/lnd/cert v1.2.2 github.com/lightningnetwork/lnd/clock v1.1.1 - github.com/lightningnetwork/lnd/fn v1.0.9 + github.com/lightningnetwork/lnd/fn v1.2.0 github.com/lightningnetwork/lnd/healthcheck v1.2.4 github.com/lightningnetwork/lnd/kvdb v1.4.8 github.com/lightningnetwork/lnd/queue v1.1.1 @@ -55,7 +55,7 @@ require ( golang.org/x/exp v0.0.0-20240325151524-a685a6edb6d8 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 golang.org/x/net v0.24.0 - golang.org/x/sync v0.6.0 + golang.org/x/sync v0.7.0 golang.org/x/term v0.19.0 golang.org/x/time v0.3.0 google.golang.org/grpc v1.59.0 diff --git a/go.sum b/go.sum index 9cead94c12..aa76ec293d 100644 --- a/go.sum +++ b/go.sum @@ -450,8 +450,8 @@ github.com/lightningnetwork/lnd/cert v1.2.2 h1:71YK6hogeJtxSxw2teq3eGeuy4rHGKcFf github.com/lightningnetwork/lnd/cert v1.2.2/go.mod h1:jQmFn/Ez4zhDgq2hnYSw8r35bqGVxViXhX6Cd7HXM6U= github.com/lightningnetwork/lnd/clock v1.1.1 h1:OfR3/zcJd2RhH0RU+zX/77c0ZiOnIMsDIBjgjWdZgA0= github.com/lightningnetwork/lnd/clock v1.1.1/go.mod h1:mGnAhPyjYZQJmebS7aevElXKTFDuO+uNFFfMXK1W8xQ= -github.com/lightningnetwork/lnd/fn v1.0.9 h1:VPljrzHGh0Wfs2NZe/ugUfH0hl6/L2eXW0LLXMUEy3s= -github.com/lightningnetwork/lnd/fn v1.0.9/go.mod h1:P027+0CyELd92H9gnReUkGGAqbFA1HwjHWdfaDFD51U= +github.com/lightningnetwork/lnd/fn v1.2.0 h1:YTb2m8NN5ZiJAskHeBZAmR1AiPY8SXziIYPAX1VI/ZM= +github.com/lightningnetwork/lnd/fn v1.2.0/go.mod h1:SyFohpVrARPKH3XVAJZlXdVe+IwMYc4OMAvrDY32kw0= github.com/lightningnetwork/lnd/healthcheck v1.2.4 h1:lLPLac+p/TllByxGSlkCwkJlkddqMP5UCoawCj3mgFQ= github.com/lightningnetwork/lnd/healthcheck v1.2.4/go.mod h1:G7Tst2tVvWo7cx6mSBEToQC5L1XOGxzZTPB29g9Rv2I= github.com/lightningnetwork/lnd/kvdb v1.4.8 h1:xH0a5Vi1yrcZ5BEeF2ba3vlKBRxrL9uYXlWTjOjbNTY= @@ -782,8 +782,8 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= -golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ= -golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= +golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M= +golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk= golang.org/x/sys v0.0.0-20180816055513-1c9583448a9c/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= From 9fee656d70e5fbcf6cc439644d0eb5cffe966923 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Fri, 19 Jul 2024 14:05:28 +0800 Subject: [PATCH 138/343] chainntnfs+lntest: fix `TestInterfaces` This commit upgrades the test to always use a segwit v0 witness program when creating testing txns. --- chainntnfs/test_utils.go | 31 +++++++++++++++++++++---------- lntest/unittest/backend.go | 6 ++++++ 2 files changed, 27 insertions(+), 10 deletions(-) diff --git a/chainntnfs/test_utils.go b/chainntnfs/test_utils.go index b14218dd7a..17e379e123 100644 --- a/chainntnfs/test_utils.go +++ b/chainntnfs/test_utils.go @@ -16,6 +16,7 @@ import ( "github.com/btcsuite/btcd/integration/rpctest" "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" + "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/lntest/unittest" "github.com/stretchr/testify/require" ) @@ -36,7 +37,7 @@ func randPubKeyHashScript() ([]byte, *btcec.PrivateKey, error) { } pubKeyHash := btcutil.Hash160(privKey.PubKey().SerializeCompressed()) - addrScript, err := btcutil.NewAddressPubKeyHash( + addrScript, err := btcutil.NewAddressWitnessPubKeyHash( pubKeyHash, unittest.NetParams, ) if err != nil { @@ -139,16 +140,26 @@ func CreateSpendTx(t *testing.T, prevOutPoint *wire.OutPoint, t.Helper() - spendingTx := wire.NewMsgTx(1) - spendingTx.AddTxIn(&wire.TxIn{PreviousOutPoint: *prevOutPoint}) - spendingTx.AddTxOut(&wire.TxOut{Value: 1e8, PkScript: prevOutput.PkScript}) - - sigScript, err := txscript.SignatureScript( - spendingTx, 0, prevOutput.PkScript, txscript.SigHashAll, - privKey, true, + // Create a new output. + outputAmt := int64(1e8) + witnessProgram, _, err := randPubKeyHashScript() + require.NoError(t, err, "unable to generate pkScript") + output := wire.NewTxOut(outputAmt, witnessProgram) + + // Create a new tx. + tx := wire.NewMsgTx(2) + tx.AddTxIn(wire.NewTxIn(prevOutPoint, nil, nil)) + tx.AddTxOut(output) + + // Generate the witness. + sigHashes := input.NewTxSigHashesV0Only(tx) + witnessScript, err := txscript.WitnessSignature( + tx, sigHashes, 0, prevOutput.Value, prevOutput.PkScript, + txscript.SigHashAll, privKey, true, ) require.NoError(t, err, "unable to sign tx") - spendingTx.TxIn[0].SignatureScript = sigScript - return spendingTx + tx.TxIn[0].Witness = witnessScript + + return tx } diff --git a/lntest/unittest/backend.go b/lntest/unittest/backend.go index 2f9c123636..be09b395c3 100644 --- a/lntest/unittest/backend.go +++ b/lntest/unittest/backend.go @@ -59,6 +59,12 @@ func NewMiner(t *testing.T, netParams *chaincfg.Params, extraArgs []string, t.Fatalf("unable to set up backend node: %v", err) } + // Next mine enough blocks in order for segwit and the CSV package + // soft-fork to activate. + numBlocks := netParams.MinerConfirmationWindow*2 + 17 + _, err = node.Client.Generate(numBlocks) + require.NoError(t, err, "failed to generate blocks") + return node } From 48a0efe40cf28bc3d944c27ca80fc6ac11dc8bb8 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 24 Jul 2024 18:05:06 +0800 Subject: [PATCH 139/343] bitcoindnotify: add debug logs in unit test --- chainntnfs/bitcoindnotify/bitcoind_test.go | 3 +++ 1 file changed, 3 insertions(+) diff --git a/chainntnfs/bitcoindnotify/bitcoind_test.go b/chainntnfs/bitcoindnotify/bitcoind_test.go index 34b93068a7..be336ef6cd 100644 --- a/chainntnfs/bitcoindnotify/bitcoind_test.go +++ b/chainntnfs/bitcoindnotify/bitcoind_test.go @@ -93,6 +93,9 @@ func syncNotifierWithMiner(t *testing.T, notifier *BitcoindNotifier, "height: %v", err) } + t.Logf("miner height=%v, bitcoind height=%v", minerHeight, + bitcoindHeight) + if bitcoindHeight == minerHeight { return uint32(bitcoindHeight) } From ce43e4bab7445ccfc3eee5fdb3df40b125fee14b Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 4 Jul 2024 20:32:41 +0800 Subject: [PATCH 140/343] chainfee: allow specifying min relay feerate from API source This commit adds a new expected field, `min_relay_feerate`, in the response body returned from the API source, allowing the API to specify a min relay feerate to be used instead of the FeePerKwFloor. This change is backwards compatible as for an old API source which doesn't specify the `min_relay_feerate`, it will be interpreted as zero. --- lnwallet/chainfee/estimator.go | 73 ++++++++++++++++++++--------- lnwallet/chainfee/estimator_test.go | 61 ++++++++++++++++++++---- lnwallet/chainfee/log.go | 16 +++++++ lnwallet/chainfee/mocks.go | 4 +- lnwallet/chainfee/rates.go | 2 +- 5 files changed, 124 insertions(+), 32 deletions(-) diff --git a/lnwallet/chainfee/estimator.go b/lnwallet/chainfee/estimator.go index 0ce9ae9b8a..49b0790a7b 100644 --- a/lnwallet/chainfee/estimator.go +++ b/lnwallet/chainfee/estimator.go @@ -628,9 +628,10 @@ var _ Estimator = (*BitcoindEstimator)(nil) // implementation of this interface in order to allow the WebAPIEstimator to // be fully generic in its logic. type WebAPIFeeSource interface { - // GetFeeMap will query the web API, parse the response and return a - // map of confirmation targets to sat/kw fees. - GetFeeMap() (map[uint32]uint32, error) + // GetFeeInfo will query the web API, parse the response into a + // WebAPIResponse which contains a map of confirmation targets to + // sat/kw fees and min relay feerate. + GetFeeInfo() (WebAPIResponse, error) } // SparseConfFeeSource is an implementation of the WebAPIFeeSource that utilizes @@ -642,30 +643,43 @@ type SparseConfFeeSource struct { URL string } +// WebAPIResponse is the response returned by the fee estimation API. +type WebAPIResponse struct { + // FeeByBlockTarget is a map of confirmation targets to sat/kvb fees. + FeeByBlockTarget map[uint32]uint32 `json:"fee_by_block_target"` + + // MinRelayFeerate is the minimum relay fee in sat/kvb. + MinRelayFeerate SatPerKVByte `json:"min_relay_feerate"` +} + // parseResponse attempts to parse the body of the response generated by the // above query URL. Typically this will be JSON, but the specifics are left to // the WebAPIFeeSource implementation. func (s SparseConfFeeSource) parseResponse(r io.Reader) ( - map[uint32]uint32, error) { - - type jsonResp struct { - FeeByBlockTarget map[uint32]uint32 `json:"fee_by_block_target"` - } + WebAPIResponse, error) { - resp := jsonResp{ + resp := WebAPIResponse{ FeeByBlockTarget: make(map[uint32]uint32), + MinRelayFeerate: 0, } jsonReader := json.NewDecoder(r) if err := jsonReader.Decode(&resp); err != nil { - return nil, err + return WebAPIResponse{}, err + } + + if resp.MinRelayFeerate == 0 { + log.Errorf("No min relay fee rate available, using default %v", + FeePerKwFloor) + resp.MinRelayFeerate = FeePerKwFloor.FeePerKVByte() } - return resp.FeeByBlockTarget, nil + return resp, nil } -// GetFeeMap will query the web API, parse the response and return a map of -// confirmation targets to sat/kw fees. -func (s SparseConfFeeSource) GetFeeMap() (map[uint32]uint32, error) { +// GetFeeInfo will query the web API, parse the response and return a map of +// confirmation targets to sat/kw fees and min relay feerate in a parsed +// response. +func (s SparseConfFeeSource) GetFeeInfo() (WebAPIResponse, error) { // Rather than use the default http.Client, we'll make a custom one // which will allow us to control how long we'll wait to read the // response from the service. This way, if the service is down or @@ -688,20 +702,20 @@ func (s SparseConfFeeSource) GetFeeMap() (map[uint32]uint32, error) { if err != nil { log.Errorf("unable to query web api for fee response: %v", err) - return nil, err + return WebAPIResponse{}, err } defer resp.Body.Close() // Once we've obtained the response, we'll instruct the WebAPIFeeSource // to parse out the body to obtain our final result. - feesByBlockTarget, err := s.parseResponse(resp.Body) + parsedResp, err := s.parseResponse(resp.Body) if err != nil { log.Errorf("unable to parse fee api response: %v", err) - return nil, err + return WebAPIResponse{}, err } - return feesByBlockTarget, nil + return parsedResp, nil } // A compile-time assertion to ensure that SparseConfFeeSource implements the @@ -726,6 +740,7 @@ type WebAPIEstimator struct { // rather than re-querying the API, to prevent an inadvertent DoS attack. feesMtx sync.Mutex feeByBlockTarget map[uint32]uint32 + minRelayFeerate SatPerKVByte // noCache determines whether the web estimator should cache fee // estimates. @@ -837,6 +852,7 @@ func (w *WebAPIEstimator) Start() error { go w.feeUpdateManager() }) + return err } @@ -866,7 +882,15 @@ func (w *WebAPIEstimator) Stop() error { // // NOTE: This method is part of the Estimator interface. func (w *WebAPIEstimator) RelayFeePerKW() SatPerKWeight { - return FeePerKwFloor + // Get fee estimates now if we don't refresh periodically. + if w.noCache { + w.updateFeeEstimates() + } + + log.Infof("Web API returning %v for min relay feerate", + w.minRelayFeerate) + + return w.minRelayFeerate.FeePerKWeight() } // randomFeeUpdateTimeout returns a random timeout between minFeeUpdateTimeout @@ -956,14 +980,21 @@ func (w *WebAPIEstimator) getCachedFee(numBlocks uint32) (uint32, error) { func (w *WebAPIEstimator) updateFeeEstimates() { // Once we've obtained the response, we'll instruct the WebAPIFeeSource // to parse out the body to obtain our final result. - feesByBlockTarget, err := w.apiSource.GetFeeMap() + resp, err := w.apiSource.GetFeeInfo() if err != nil { log.Errorf("unable to get fee response: %v", err) return } + log.Debugf("Received response from source: %s", newLogClosure( + func() string { + resp, _ := json.Marshal(resp) + return string(resp) + })) + w.feesMtx.Lock() - w.feeByBlockTarget = feesByBlockTarget + w.feeByBlockTarget = resp.FeeByBlockTarget + w.minRelayFeerate = resp.MinRelayFeerate w.feesMtx.Unlock() } diff --git a/lnwallet/chainfee/estimator_test.go b/lnwallet/chainfee/estimator_test.go index 51ab5bf29b..c8303130d1 100644 --- a/lnwallet/chainfee/estimator_test.go +++ b/lnwallet/chainfee/estimator_test.go @@ -107,17 +107,20 @@ func TestSparseConfFeeSource(t *testing.T) { 2: 42, 3: 54321, } - testJSON := map[string]map[uint32]uint32{ - "fee_by_block_target": testFees, + testMinRelayFee := SatPerKVByte(1000) + testResp := WebAPIResponse{ + MinRelayFeerate: testMinRelayFee, + FeeByBlockTarget: testFees, } - jsonResp, err := json.Marshal(testJSON) + + jsonResp, err := json.Marshal(testResp) require.NoError(t, err, "unable to marshal JSON API response") reader := bytes.NewReader(jsonResp) // Finally, ensure the expected map is returned without error. - fees, err := feeSource.parseResponse(reader) + resp, err := feeSource.parseResponse(reader) require.NoError(t, err, "unable to parse API response") - require.Equal(t, testFees, fees, "unexpected fee map returned") + require.Equal(t, testResp, resp, "unexpected resp returned") // Test parsing an improperly formatted JSON API response. badFees := map[string]uint32{"hi": 12345, "hello": 42, "satoshi": 54321} @@ -131,6 +134,45 @@ func TestSparseConfFeeSource(t *testing.T) { require.Error(t, err, "expected error when parsing bad JSON") } +// TestFeeSourceCompatibility checks that when a fee source doesn't return a +// `min_relay_feerate` field in its response, the floor feerate is used. +// +// NOTE: Field `min_relay_feerate` was added in v0.18.3. +func TestFeeSourceCompatibility(t *testing.T) { + t.Parallel() + + // Test that GenQueryURL returns the URL as is. + url := "test" + feeSource := SparseConfFeeSource{URL: url} + + // Test parsing a properly formatted JSON API response. + // + // Create the resp without the `min_relay_feerate` field. + testFees := map[uint32]uint32{ + 1: 12345, + } + testResp := struct { + // FeeByBlockTarget is a map of confirmation targets to sat/kvb + // fees. + FeeByBlockTarget map[uint32]uint32 `json:"fee_by_block_target"` + }{ + FeeByBlockTarget: testFees, + } + + jsonResp, err := json.Marshal(testResp) + require.NoError(t, err, "unable to marshal JSON API response") + reader := bytes.NewReader(jsonResp) + + // Ensure the expected map is returned without error. + resp, err := feeSource.parseResponse(reader) + require.NoError(t, err, "unable to parse API response") + require.Equal(t, testResp.FeeByBlockTarget, resp.FeeByBlockTarget, + "unexpected resp returned") + + // Expect the floor feerate to be used. + require.Equal(t, FeePerKwFloor.FeePerKVByte(), resp.MinRelayFeerate) +} + // TestWebAPIFeeEstimator checks that the WebAPIFeeEstimator returns fee rates // as expected. func TestWebAPIFeeEstimator(t *testing.T) { @@ -194,14 +236,17 @@ func TestWebAPIFeeEstimator(t *testing.T) { // This will create a `feeByBlockTarget` map with the following values, // - 2: 4000 sat/kb // - 6: 2000 sat/kb. - feeRateResp := map[uint32]uint32{ + feeRates := map[uint32]uint32{ minTarget: maxFeeRate, maxTarget: minFeeRate, } + resp := WebAPIResponse{ + FeeByBlockTarget: feeRates, + } // Create a mock fee source and mock its returned map. feeSource := &mockFeeSource{} - feeSource.On("GetFeeMap").Return(feeRateResp, nil) + feeSource.On("GetFeeInfo").Return(resp, nil) estimator, _ := NewWebAPIEstimator( feeSource, false, minFeeUpdateTimeout, maxFeeUpdateTimeout, @@ -234,7 +279,7 @@ func TestWebAPIFeeEstimator(t *testing.T) { exp := SatPerKVByte(tc.expectedFeeRate).FeePerKWeight() require.Equalf(t, exp, est, "target %v failed, fee "+ - "map is %v", tc.target, feeRateResp) + "map is %v", tc.target, feeRate) }) } diff --git a/lnwallet/chainfee/log.go b/lnwallet/chainfee/log.go index d5d0405782..9145830330 100644 --- a/lnwallet/chainfee/log.go +++ b/lnwallet/chainfee/log.go @@ -27,3 +27,19 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } + +// logClosure is used to provide a closure over expensive logging operations so +// don't have to be performed when the logging level doesn't warrant it. +type logClosure func() string + +// String invokes the underlying function and returns the result. +func (c logClosure) String() string { + return c() +} + +// newLogClosure returns a new closure over a function that returns a string +// which itself provides a Stringer interface so that it can be used with the +// logging system. +func newLogClosure(c func() string) logClosure { + return logClosure(c) +} diff --git a/lnwallet/chainfee/mocks.go b/lnwallet/chainfee/mocks.go index e14340d91f..3a6025005b 100644 --- a/lnwallet/chainfee/mocks.go +++ b/lnwallet/chainfee/mocks.go @@ -12,10 +12,10 @@ type mockFeeSource struct { // WebAPIFeeSource interface. var _ WebAPIFeeSource = (*mockFeeSource)(nil) -func (m *mockFeeSource) GetFeeMap() (map[uint32]uint32, error) { +func (m *mockFeeSource) GetFeeInfo() (WebAPIResponse, error) { args := m.Called() - return args.Get(0).(map[uint32]uint32), args.Error(1) + return args.Get(0).(WebAPIResponse), args.Error(1) } // MockEstimator implements the `Estimator` interface and is used by diff --git a/lnwallet/chainfee/rates.go b/lnwallet/chainfee/rates.go index f5294e4d1c..20f4f1e1d2 100644 --- a/lnwallet/chainfee/rates.go +++ b/lnwallet/chainfee/rates.go @@ -53,7 +53,7 @@ func (s SatPerKVByte) FeePerKWeight() SatPerKWeight { // String returns a human-readable string of the fee rate. func (s SatPerKVByte) String() string { - return fmt.Sprintf("%v sat/kb", int64(s)) + return fmt.Sprintf("%v sat/kvb", int64(s)) } // SatPerKWeight represents a fee rate in sat/kw. From a1d71afde8544f74cc8e5862ffa1a794a5cf5bc0 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 4 Jul 2024 20:36:16 +0800 Subject: [PATCH 141/343] lntest: allow specifying min relay feerate in itest --- lntest/fee_service.go | 24 ++++++++++++++++++------ lntest/harness.go | 6 ++++++ 2 files changed, 24 insertions(+), 6 deletions(-) diff --git a/lntest/fee_service.go b/lntest/fee_service.go index cee9ae0ab5..0514a387ea 100644 --- a/lntest/fee_service.go +++ b/lntest/fee_service.go @@ -33,6 +33,9 @@ type WebFeeService interface { // target. SetFeeRate(feeRate chainfee.SatPerKWeight, conf uint32) + // SetMinRelayFeerate sets a min relay feerate. + SetMinRelayFeerate(fee chainfee.SatPerKVByte) + // Reset resets the fee rate map to the default value. Reset() } @@ -52,8 +55,9 @@ const ( type FeeService struct { *testing.T - feeRateMap map[uint32]uint32 - url string + feeRateMap map[uint32]uint32 + minRelayFeerate chainfee.SatPerKVByte + url string srv *http.Server wg sync.WaitGroup @@ -79,6 +83,7 @@ func NewFeeService(t *testing.T) *FeeService { f.feeRateMap = map[uint32]uint32{ feeServiceTarget: DefaultFeeRateSatPerKw, } + f.minRelayFeerate = chainfee.FeePerKwFloor.FeePerKVByte() listenAddr := fmt.Sprintf(":%v", port) mux := http.NewServeMux() @@ -113,10 +118,9 @@ func (f *FeeService) handleRequest(w http.ResponseWriter, _ *http.Request) { defer f.lock.Unlock() bytes, err := json.Marshal( - struct { - Fees map[uint32]uint32 `json:"fee_by_block_target"` - }{ - Fees: f.feeRateMap, + chainfee.WebAPIResponse{ + FeeByBlockTarget: f.feeRateMap, + MinRelayFeerate: f.minRelayFeerate, }, ) require.NoErrorf(f, err, "cannot serialize estimates") @@ -143,6 +147,14 @@ func (f *FeeService) SetFeeRate(fee chainfee.SatPerKWeight, conf uint32) { f.feeRateMap[conf] = uint32(fee.FeePerKVByte()) } +// SetMinRelayFeerate sets a min relay feerate. +func (f *FeeService) SetMinRelayFeerate(fee chainfee.SatPerKVByte) { + f.lock.Lock() + defer f.lock.Unlock() + + f.minRelayFeerate = fee +} + // Reset resets the fee rate map to the default value. func (f *FeeService) Reset() { f.lock.Lock() diff --git a/lntest/harness.go b/lntest/harness.go index eefdcfec10..9a11eaa88a 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -860,6 +860,12 @@ func (h *HarnessTest) SetFeeEstimateWithConf( h.feeService.SetFeeRate(fee, conf) } +// SetMinRelayFeerate sets a min relay fee rate to be returned from fee +// estimator. +func (h *HarnessTest) SetMinRelayFeerate(fee chainfee.SatPerKVByte) { + h.feeService.SetMinRelayFeerate(fee) +} + // validateNodeState checks that the node doesn't have any uncleaned states // which will affect its following tests. func (h *HarnessTest) validateNodeState(hn *node.HarnessNode) error { From 0a0d51ce22e5410cdc116350b0a5f83297d68ea9 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Fri, 19 Jul 2024 16:12:06 +0800 Subject: [PATCH 142/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 8d658624fc..ba39d05e7e 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -55,6 +55,24 @@ # Improvements ## Functional Updates + +* A new field, `min_relay_feerate`, is [now + expected](https://github.com/lightningnetwork/lnd/pull/8891) in the response + from querying the external fee estimation URL. The new response should have + the format, + ```json + { + "fee_by_block_target": { + "2": 5076, + "3": 4228, + "26": 4200 + }, + "min_relay_feerate": 1000 + } + ``` + All units are `sats/kvB`. If the new field `min_relay_feerate` is not set, + the default floor feerate (1012 sats/kvB) will be used. + ## RPC Updates * [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) From 7e60d4189879954923fc5ce531fd9de89900713b Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 4 Jul 2024 20:19:21 +0800 Subject: [PATCH 143/343] chainfee: make sure web API has been started before estimating Previously we may get a floor feerate when calling `EstimateFeePerKW` due to the fee estimator not finishing its startup process, which gives us an empty fee map. This is now fixed to return an error if the estimator is not started. --- lnwallet/chainfee/estimator.go | 62 +++++++++++++++++++---------- lnwallet/chainfee/estimator_test.go | 8 ++-- 2 files changed, 44 insertions(+), 26 deletions(-) diff --git a/lnwallet/chainfee/estimator.go b/lnwallet/chainfee/estimator.go index 49b0790a7b..3cab0556a7 100644 --- a/lnwallet/chainfee/estimator.go +++ b/lnwallet/chainfee/estimator.go @@ -10,6 +10,7 @@ import ( "net" "net/http" "sync" + "sync/atomic" "time" "github.com/btcsuite/btcd/btcutil" @@ -725,8 +726,8 @@ var _ WebAPIFeeSource = (*SparseConfFeeSource)(nil) // WebAPIEstimator is an implementation of the Estimator interface that // queries an HTTP-based fee estimation from an existing web API. type WebAPIEstimator struct { - started sync.Once - stopped sync.Once + started atomic.Bool + stopped atomic.Bool // apiSource is the backing web API source we'll use for our queries. apiSource WebAPIFeeSource @@ -792,6 +793,12 @@ func NewWebAPIEstimator(api WebAPIFeeSource, noCache bool, func (w *WebAPIEstimator) EstimateFeePerKW(numBlocks uint32) ( SatPerKWeight, error) { + // If the estimator hasn't been started yet, we'll return an error as + // we can't provide a fee estimate. + if !w.started.Load() { + return 0, fmt.Errorf("estimator not started") + } + if numBlocks > MaxBlockTarget { numBlocks = MaxBlockTarget } else if numBlocks < minBlockTarget { @@ -831,29 +838,33 @@ func (w *WebAPIEstimator) EstimateFeePerKW(numBlocks uint32) ( // // NOTE: This method is part of the Estimator interface. func (w *WebAPIEstimator) Start() error { + log.Infof("Starting Web API fee estimator...") + + // Return an error if it's already been started. + if w.started.Load() { + return fmt.Errorf("web API fee estimator already started") + } + defer w.started.Store(true) + + // During startup we'll query the API to initialize the fee map. + w.updateFeeEstimates() + // No update loop is needed when we don't cache. if w.noCache { return nil } - var err error - w.started.Do(func() { - log.Infof("Starting web API fee estimator") + feeUpdateTimeout := w.randomFeeUpdateTimeout() - feeUpdateTimeout := w.randomFeeUpdateTimeout() + log.Infof("Web API fee estimator using update timeout of %v", + feeUpdateTimeout) - log.Infof("Web API fee estimator using update timeout of %v", - feeUpdateTimeout) - - w.updateFeeTicker = time.NewTicker(feeUpdateTimeout) - w.updateFeeEstimates() + w.updateFeeTicker = time.NewTicker(feeUpdateTimeout) - w.wg.Add(1) - go w.feeUpdateManager() + w.wg.Add(1) + go w.feeUpdateManager() - }) - - return err + return nil } // Stop stops any spawned goroutines and cleans up the resources used by the @@ -861,19 +872,22 @@ func (w *WebAPIEstimator) Start() error { // // NOTE: This method is part of the Estimator interface. func (w *WebAPIEstimator) Stop() error { + log.Infof("Stopping web API fee estimator") + + if w.stopped.Swap(true) { + return fmt.Errorf("web API fee estimator already stopped") + } + // Update loop is not running when we don't cache. if w.noCache { return nil } - w.stopped.Do(func() { - log.Infof("Stopping web API fee estimator") + w.updateFeeTicker.Stop() - w.updateFeeTicker.Stop() + close(w.quit) + w.wg.Wait() - close(w.quit) - w.wg.Wait() - }) return nil } @@ -882,6 +896,10 @@ func (w *WebAPIEstimator) Stop() error { // // NOTE: This method is part of the Estimator interface. func (w *WebAPIEstimator) RelayFeePerKW() SatPerKWeight { + if !w.started.Load() { + log.Error("WebAPIEstimator not started") + } + // Get fee estimates now if we don't refresh periodically. if w.noCache { w.updateFeeEstimates() diff --git a/lnwallet/chainfee/estimator_test.go b/lnwallet/chainfee/estimator_test.go index c8303130d1..3d355d5034 100644 --- a/lnwallet/chainfee/estimator_test.go +++ b/lnwallet/chainfee/estimator_test.go @@ -252,12 +252,12 @@ func TestWebAPIFeeEstimator(t *testing.T) { feeSource, false, minFeeUpdateTimeout, maxFeeUpdateTimeout, ) - // Test that requesting a fee when no fees have been cached won't fail. + // Test that when the estimator is not started, an error is returned. feeRate, err := estimator.EstimateFeePerKW(5) - require.NoErrorf(t, err, "expected no error") - require.Equalf(t, FeePerKwFloor, feeRate, "expected fee rate floor "+ - "returned when no cached fee rate found") + require.Error(t, err, "expected an error") + require.Zero(t, feeRate, "expected zero fee rate") + // Start the estimator. require.NoError(t, estimator.Start(), "unable to start fee estimator") for _, tc := range testCases { From 9e2b308f9395a558b71017e763ca537db0a2b167 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Wed, 24 Jul 2024 14:20:03 -0700 Subject: [PATCH 144/343] build: update to Go 1.22.5 --- .github/workflows/main.yml | 2 +- .github/workflows/release.yaml | 2 +- Dockerfile | 2 +- dev.Dockerfile | 2 +- make/builder.Dockerfile | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index 7a5038455b..2dc0ad163b 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -31,7 +31,7 @@ env: # /dev.Dockerfile # /make/builder.Dockerfile # /.github/workflows/release.yml - GO_VERSION: 1.22.3 + GO_VERSION: 1.22.5 jobs: ######################## diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml index af78e5d64c..702734cf8f 100644 --- a/.github/workflows/release.yaml +++ b/.github/workflows/release.yaml @@ -16,7 +16,7 @@ env: # /dev.Dockerfile # /make/builder.Dockerfile # /.github/workflows/main.yml - GO_VERSION: 1.22.3 + GO_VERSION: 1.22.5 jobs: main: diff --git a/Dockerfile b/Dockerfile index d6e8a82c6a..d15c079ad6 100644 --- a/Dockerfile +++ b/Dockerfile @@ -4,7 +4,7 @@ # /make/builder.Dockerfile # /.github/workflows/main.yml # /.github/workflows/release.yml -FROM golang:1.22.3-alpine as builder +FROM golang:1.22.5-alpine as builder # Force Go to use the cgo based DNS resolver. This is required to ensure DNS # queries required to connect to linked containers succeed. diff --git a/dev.Dockerfile b/dev.Dockerfile index 624c1bc3a7..61847b9857 100644 --- a/dev.Dockerfile +++ b/dev.Dockerfile @@ -4,7 +4,7 @@ # /make/builder.Dockerfile # /.github/workflows/main.yml # /.github/workflows/release.yml -FROM golang:1.22.3-alpine as builder +FROM golang:1.22.5-alpine as builder LABEL maintainer="Olaoluwa Osuntokun " diff --git a/make/builder.Dockerfile b/make/builder.Dockerfile index 66946e0a44..1c1c17d280 100644 --- a/make/builder.Dockerfile +++ b/make/builder.Dockerfile @@ -4,7 +4,7 @@ # /dev.Dockerfile # /.github/workflows/main.yml # /.github/workflows/release.yml -FROM golang:1.22.3-bookworm +FROM golang:1.22.5-bookworm MAINTAINER Olaoluwa Osuntokun From b6049ff94b20a65deafb0a5069c574d82a7c1042 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 24 Jul 2024 19:31:21 +0800 Subject: [PATCH 145/343] multi: add `NewLogClosure` in `lnutils` to avoid repetition And replaces all usage of `logClosure` with `lnutils.LogClosure`. --- chanbackup/log.go | 16 ---------------- chanbackup/pubsub.go | 6 +++--- chanbackup/recover.go | 3 ++- contractcourt/breach_arbitrator.go | 14 ++++++++------ contractcourt/chain_watcher.go | 3 ++- contractcourt/channel_arbitrator.go | 11 ++++++----- contractcourt/log.go | 16 ---------------- contractcourt/utxonursery.go | 3 ++- discovery/bootstrapper.go | 3 ++- discovery/log.go | 16 ---------------- graph/builder.go | 4 +++- graph/log.go | 16 ---------------- htlcswitch/circuit_map.go | 22 +++++++++++++--------- htlcswitch/link.go | 5 +++-- htlcswitch/log.go | 16 ---------------- htlcswitch/switch.go | 16 ++++++++++------ lnrpc/devrpc/log.go | 16 ---------------- lnrpc/invoicesrpc/addinvoice.go | 3 ++- lnrpc/invoicesrpc/log.go | 16 ---------------- lnutils/log.go | 17 +++++++++++++++++ lnwallet/chainfee/estimator.go | 3 ++- lnwallet/chainfee/log.go | 16 ---------------- lnwallet/chancloser/chancloser.go | 3 ++- lnwallet/chancloser/log.go | 16 ---------------- lnwallet/channel.go | 15 ++++++++------- lnwallet/log.go | 16 ---------------- log.go | 16 ---------------- peer/brontide.go | 4 ++-- peer/log.go | 16 ---------------- routing/log.go | 16 ---------------- routing/pathfind.go | 3 ++- routing/payment_session.go | 3 ++- routing/router.go | 13 +++++++------ rpcserver.go | 3 ++- sweep/fee_bumper.go | 2 +- sweep/log.go | 16 ---------------- sweep/sweeper.go | 3 ++- watchtower/wtdb/log.go | 16 ---------------- 38 files changed, 103 insertions(+), 299 deletions(-) create mode 100644 lnutils/log.go diff --git a/chanbackup/log.go b/chanbackup/log.go index 730fbc9e4e..34eb9e93ff 100644 --- a/chanbackup/log.go +++ b/chanbackup/log.go @@ -27,19 +27,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/chanbackup/pubsub.go b/chanbackup/pubsub.go index 987678d92e..7652d3654c 100644 --- a/chanbackup/pubsub.go +++ b/chanbackup/pubsub.go @@ -10,6 +10,7 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/keychain" + "github.com/lightningnetwork/lnd/lnutils" ) // Swapper is an interface that allows the chanbackup.SubSwapper to update the @@ -278,9 +279,8 @@ func (s *SubSwapper) backupUpdater() { ) for i, closedChan := range chanUpdate.ClosedChans { log.Debugf("Removing channel %v from backup "+ - "state", newLogClosure(func() string { - return chanUpdate.ClosedChans[i].String() - })) + "state", lnutils.NewLogClosure( + chanUpdate.ClosedChans[i].String)) delete(s.backupState, closedChan) diff --git a/chanbackup/recover.go b/chanbackup/recover.go index ebd48dccfd..e36a6badb0 100644 --- a/chanbackup/recover.go +++ b/chanbackup/recover.go @@ -7,6 +7,7 @@ import ( "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/keychain" + "github.com/lightningnetwork/lnd/lnutils" ) // ChannelRestorer is an interface that allows the Recover method to map the @@ -63,7 +64,7 @@ func Recover(backups []Single, restorer ChannelRestorer, log.Infof("Attempting to connect to node=%x (addrs=%v) to "+ "restore ChannelPoint(%v)", backup.RemoteNodePub.SerializeCompressed(), - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(backups[i].Addresses) }), backup.FundingOutpoint) diff --git a/contractcourt/breach_arbitrator.go b/contractcourt/breach_arbitrator.go index 96fa689c35..aab4e943dc 100644 --- a/contractcourt/breach_arbitrator.go +++ b/contractcourt/breach_arbitrator.go @@ -20,6 +20,7 @@ import ( "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/labels" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" ) @@ -732,9 +733,10 @@ justiceTxBroadcast: } finalTx := justiceTxs.spendAll - brarLog.Debugf("Broadcasting justice tx: %v", newLogClosure(func() string { - return spew.Sdump(finalTx) - })) + brarLog.Debugf("Broadcasting justice tx: %v", lnutils.NewLogClosure( + func() string { + return spew.Sdump(finalTx) + })) // We'll now attempt to broadcast the transaction which finalized the // channel's retribution against the cheating counter party. @@ -857,7 +859,7 @@ Loop: brarLog.Debugf("Broadcasting justice tx "+ "spending commitment outs: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(tx) })) @@ -874,7 +876,7 @@ Loop: brarLog.Debugf("Broadcasting justice tx "+ "spending HTLC outs: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(tx) })) @@ -891,7 +893,7 @@ Loop: brarLog.Debugf("Broadcasting justice tx "+ "spending second-level HTLC output: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(tx) })) diff --git a/contractcourt/chain_watcher.go b/contractcourt/chain_watcher.go index f1733ad1f2..962a239e78 100644 --- a/contractcourt/chain_watcher.go +++ b/contractcourt/chain_watcher.go @@ -20,6 +20,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" ) @@ -1254,7 +1255,7 @@ func (c *chainWatcher) dispatchContractBreach(spendEvent *chainntnfs.SpendDetail spendHeight := uint32(spendEvent.SpendingHeight) log.Debugf("Punishment breach retribution created: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { retribution.KeyRing.LocalHtlcKey = nil retribution.KeyRing.RemoteHtlcKey = nil retribution.KeyRing.ToLocalKey = nil diff --git a/contractcourt/channel_arbitrator.go b/contractcourt/channel_arbitrator.go index cda0d4e1f6..854bff5f65 100644 --- a/contractcourt/channel_arbitrator.go +++ b/contractcourt/channel_arbitrator.go @@ -24,6 +24,7 @@ import ( "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/labels" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/sweep" @@ -465,7 +466,7 @@ func (c *ChannelArbitrator) Start(state *chanArbStartState) error { } log.Debugf("Starting ChannelArbitrator(%v), htlc_set=%v, state=%v", - c.cfg.ChanPoint, newLogClosure(func() string { + c.cfg.ChanPoint, lnutils.NewLogClosure(func() string { return spew.Sdump(c.activeHTLCs) }), state.currentState, ) @@ -959,7 +960,7 @@ func (c *ChannelArbitrator) stateStep( // commitment transaction has already been broadcast. log.Tracef("ChannelArbitrator(%v): logging chain_actions=%v", c.cfg.ChanPoint, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(chainActions) })) @@ -1097,7 +1098,7 @@ func (c *ChannelArbitrator) stateStep( log.Infof("Broadcasting force close transaction %v, "+ "ChannelPoint(%v): %v", closeTx.TxHash(), c.cfg.ChanPoint, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(closeTx) })) @@ -1224,7 +1225,7 @@ func (c *ChannelArbitrator) stateStep( if len(pktsToSend) != 0 { log.Debugf("ChannelArbitrator(%v): sending "+ "resolution message=%v", c.cfg.ChanPoint, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(pktsToSend) })) @@ -2742,7 +2743,7 @@ func (c *ChannelArbitrator) notifyContractUpdate(upd *ContractUpdate) { log.Tracef("ChannelArbitrator(%v): fresh set of htlcs=%v", c.cfg.ChanPoint, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(upd) }), ) diff --git a/contractcourt/log.go b/contractcourt/log.go index 2891781e83..2e52cc97dd 100644 --- a/contractcourt/log.go +++ b/contractcourt/log.go @@ -51,19 +51,3 @@ func UseBreachLogger(logger btclog.Logger) { func UseNurseryLogger(logger btclog.Logger) { utxnLog = logger } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/contractcourt/utxonursery.go b/contractcourt/utxonursery.go index f419881da7..95e0778e64 100644 --- a/contractcourt/utxonursery.go +++ b/contractcourt/utxonursery.go @@ -18,6 +18,7 @@ import ( "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/labels" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/sweep" ) @@ -947,7 +948,7 @@ func (u *UtxoNursery) waitForSweepConf(classHeight uint32, func (u *UtxoNursery) sweepCribOutput(classHeight uint32, baby *babyOutput) error { utxnLog.Infof("Publishing CLTV-delayed HTLC output using timeout tx "+ "(txid=%v): %v", baby.timeoutTx.TxHash(), - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(baby.timeoutTx) }), ) diff --git a/discovery/bootstrapper.go b/discovery/bootstrapper.go index 67dbc7e232..9e3c40b030 100644 --- a/discovery/bootstrapper.go +++ b/discovery/bootstrapper.go @@ -16,6 +16,7 @@ import ( "github.com/btcsuite/btcd/btcutil/bech32" "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/autopilot" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/tor" "github.com/miekg/dns" @@ -431,7 +432,7 @@ search: } log.Tracef("Retrieved SRV records from dns seed: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(addrs) }), ) diff --git a/discovery/log.go b/discovery/log.go index bd2004d3d5..f09e7fb71b 100644 --- a/discovery/log.go +++ b/discovery/log.go @@ -27,19 +27,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } - -// logClosure is used to provide a closure over expensive logging operations -// so don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/graph/builder.go b/graph/builder.go index 2436f31767..01ea97cf93 100644 --- a/graph/builder.go +++ b/graph/builder.go @@ -1432,7 +1432,9 @@ func (b *Builder) processUpdate(msg interface{}, } log.Tracef("New channel update applied: %v", - newLogClosure(func() string { return spew.Sdump(msg) })) + lnutils.NewLogClosure(func() string { + return spew.Sdump(msg) + })) b.stats.incNumChannelUpdates() default: diff --git a/graph/log.go b/graph/log.go index cd31dae11c..7d2f741c66 100644 --- a/graph/log.go +++ b/graph/log.go @@ -29,19 +29,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/htlcswitch/circuit_map.go b/htlcswitch/circuit_map.go index 9b26a1d07e..06477ef986 100644 --- a/htlcswitch/circuit_map.go +++ b/htlcswitch/circuit_map.go @@ -10,6 +10,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/kvdb" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" ) @@ -800,9 +801,10 @@ func (cm *circuitMap) CommitCircuits(circuits ...*PaymentCircuit) ( inKeys = append(inKeys, circuit.Incoming) } - log.Tracef("Committing fresh circuits: %v", newLogClosure(func() string { - return spew.Sdump(inKeys) - })) + log.Tracef("Committing fresh circuits: %v", lnutils.NewLogClosure( + func() string { + return spew.Sdump(inKeys) + })) actions := &CircuitFwdActions{} @@ -948,9 +950,10 @@ func (cm *circuitMap) OpenCircuits(keystones ...Keystone) error { return nil } - log.Tracef("Opening finalized circuits: %v", newLogClosure(func() string { - return spew.Sdump(keystones) - })) + log.Tracef("Opening finalized circuits: %v", lnutils.NewLogClosure( + func() string { + return spew.Sdump(keystones) + })) // Check that all keystones correspond to committed-but-unopened // circuits. @@ -1078,9 +1081,10 @@ func (cm *circuitMap) CloseCircuit(outKey CircuitKey) (*PaymentCircuit, error) { // circuit was already cleaned up at a different point in time. func (cm *circuitMap) DeleteCircuits(inKeys ...CircuitKey) error { - log.Tracef("Deleting resolved circuits: %v", newLogClosure(func() string { - return spew.Sdump(inKeys) - })) + log.Tracef("Deleting resolved circuits: %v", lnutils.NewLogClosure( + func() string { + return spew.Sdump(inKeys) + })) var ( closingCircuits = make(map[CircuitKey]struct{}) diff --git a/htlcswitch/link.go b/htlcswitch/link.go index c0c828f834..20b32596f4 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -25,6 +25,7 @@ import ( "github.com/lightningnetwork/lnd/invoices" "github.com/lightningnetwork/lnd/lnpeer" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" @@ -2536,10 +2537,10 @@ func (l *channelLink) updateCommitTx() error { l.log.Tracef("revocation window exhausted, unable to send: "+ "%v, pend_updates=%v, dangling_closes%v", l.channel.PendingLocalUpdateCount(), - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(l.openedCircuits) }), - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(l.closedCircuits) }), ) diff --git a/htlcswitch/log.go b/htlcswitch/log.go index 5749de09e3..79259be91c 100644 --- a/htlcswitch/log.go +++ b/htlcswitch/log.go @@ -31,19 +31,3 @@ func UseLogger(logger btclog.Logger) { log = logger hop.UseLogger(logger) } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index d473d84222..7f2661212c 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -21,6 +21,7 @@ import ( "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" @@ -613,9 +614,10 @@ func (s *Switch) SendHTLC(firstHop lnwire.ShortChannelID, attemptID uint64, func (s *Switch) UpdateForwardingPolicies( chanPolicies map[wire.OutPoint]models.ForwardingPolicy) { - log.Tracef("Updating link policies: %v", newLogClosure(func() string { - return spew.Sdump(chanPolicies) - })) + log.Tracef("Updating link policies: %v", lnutils.NewLogClosure( + func() string { + return spew.Sdump(chanPolicies) + })) s.indexMtx.RLock() @@ -1213,7 +1215,8 @@ func (s *Switch) handlePacketForward(packet *htlcPacket) error { ) log.Warnf("unable to find err source for "+ "outgoing_link=%v, errors=%v", - packet.outgoingChanID, newLogClosure(func() string { + packet.outgoingChanID, + lnutils.NewLogClosure(func() string { return spew.Sdump(linkErrs) })) } @@ -1994,8 +1997,9 @@ out: continue } - log.Tracef("Acked %d settle fails: %v", len(s.pendingSettleFails), - newLogClosure(func() string { + log.Tracef("Acked %d settle fails: %v", + len(s.pendingSettleFails), + lnutils.NewLogClosure(func() string { return spew.Sdump(s.pendingSettleFails) })) diff --git a/lnrpc/devrpc/log.go b/lnrpc/devrpc/log.go index 2ff536b843..9cae145e52 100644 --- a/lnrpc/devrpc/log.go +++ b/lnrpc/devrpc/log.go @@ -27,19 +27,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string // nolint:unused - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { // nolint:unused - return logClosure(c) -} diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 4b55f3f0dd..d12dc11d79 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -20,6 +20,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/invoices" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/netann" "github.com/lightningnetwork/lnd/routing" @@ -473,7 +474,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, } log.Tracef("[addinvoice] adding new invoice %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(newInvoice) }), ) diff --git a/lnrpc/invoicesrpc/log.go b/lnrpc/invoicesrpc/log.go index 8429ee51cf..f3644fdb51 100644 --- a/lnrpc/invoicesrpc/log.go +++ b/lnrpc/invoicesrpc/log.go @@ -27,19 +27,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/lnutils/log.go b/lnutils/log.go new file mode 100644 index 0000000000..4bfb64b070 --- /dev/null +++ b/lnutils/log.go @@ -0,0 +1,17 @@ +package lnutils + +// LogClosure is used to provide a closure over expensive logging operations so +// don't have to be performed when the logging level doesn't warrant it. +type LogClosure func() string + +// String invokes the underlying function and returns the result. +func (c LogClosure) String() string { + return c() +} + +// NewLogClosure returns a new closure over a function that returns a string +// which itself provides a Stringer interface so that it can be used with the +// logging system. +func NewLogClosure(c func() string) LogClosure { + return LogClosure(c) +} diff --git a/lnwallet/chainfee/estimator.go b/lnwallet/chainfee/estimator.go index 3cab0556a7..d9a4029649 100644 --- a/lnwallet/chainfee/estimator.go +++ b/lnwallet/chainfee/estimator.go @@ -15,6 +15,7 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/rpcclient" + "github.com/lightningnetwork/lnd/lnutils" ) const ( @@ -1004,7 +1005,7 @@ func (w *WebAPIEstimator) updateFeeEstimates() { return } - log.Debugf("Received response from source: %s", newLogClosure( + log.Debugf("Received response from source: %s", lnutils.NewLogClosure( func() string { resp, _ := json.Marshal(resp) return string(resp) diff --git a/lnwallet/chainfee/log.go b/lnwallet/chainfee/log.go index 9145830330..d5d0405782 100644 --- a/lnwallet/chainfee/log.go +++ b/lnwallet/chainfee/log.go @@ -27,19 +27,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/lnwallet/chancloser/chancloser.go b/lnwallet/chancloser/chancloser.go index 47635c3afb..477d0912f4 100644 --- a/lnwallet/chancloser/chancloser.go +++ b/lnwallet/chancloser/chancloser.go @@ -15,6 +15,7 @@ import ( "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/labels" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" @@ -869,7 +870,7 @@ func (c *ChanCloser) ReceiveClosingSigned( //nolint:funlen // With the closing transaction crafted, we'll now broadcast it // to the network. chancloserLog.Infof("Broadcasting cooperative close tx: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(closeTx) }), ) diff --git a/lnwallet/chancloser/log.go b/lnwallet/chancloser/log.go index 967a1ec354..7189ed2a35 100644 --- a/lnwallet/chancloser/log.go +++ b/lnwallet/chancloser/log.go @@ -23,19 +23,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { chancloserLog = logger } - -// logClosure is used to provide a closure over expensive logging operations -// so they aren't performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/lnwallet/channel.go b/lnwallet/channel.go index 0e0d762c17..b3ccf77d1f 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -29,6 +29,7 @@ import ( "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/shachain" @@ -1869,7 +1870,7 @@ func (lc *LightningChannel) restoreCommitState( lc.localCommitChain.addCommitment(localCommit) lc.log.Tracef("starting local commitment: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(lc.localCommitChain.tail()) }), ) @@ -1885,7 +1886,7 @@ func (lc *LightningChannel) restoreCommitState( lc.remoteCommitChain.addCommitment(remoteCommit) lc.log.Tracef("starting remote commitment: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(lc.remoteCommitChain.tail()) }), ) @@ -1920,7 +1921,7 @@ func (lc *LightningChannel) restoreCommitState( lc.remoteCommitChain.addCommitment(pendingRemoteCommit) lc.log.Debugf("pending remote commitment: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(lc.remoteCommitChain.tip()) }), ) @@ -3245,9 +3246,9 @@ func (lc *LightningChannel) fetchParent(entry *PaymentDescriptor, return nil, fmt.Errorf("unable to find parent entry "+ "%d in %v update log: %v\nUpdatelog: %v", entry.ParentIndex, logName, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(entry) - }), newLogClosure(func() string { + }), lnutils.NewLogClosure(func() string { return spew.Sdump(updateLog) }), ) @@ -4249,7 +4250,7 @@ func (lc *LightningChannel) SignNextCommitment() (*NewCommitState, error) { "their_balance=%v, commit_tx: %v", newCommitView.ourBalance, newCommitView.theirBalance, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(newCommitView.txn) }), ) @@ -5209,7 +5210,7 @@ func (lc *LightningChannel) ReceiveNewCommitment(commitSigs *CommitSigs) error { lc.log.Tracef("local chain: our_balance=%v, "+ "their_balance=%v, commit_tx: %v", localCommitmentView.ourBalance, localCommitmentView.theirBalance, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(localCommitmentView.txn) }), ) diff --git a/lnwallet/log.go b/lnwallet/log.go index 341edeca7d..7c8ce51984 100644 --- a/lnwallet/log.go +++ b/lnwallet/log.go @@ -36,19 +36,3 @@ func UseLogger(logger btclog.Logger) { chain.UseLogger(logger) chainfee.UseLogger(logger) } - -// logClosure is used to provide a closure over expensive logging operations -// so don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/log.go b/log.go index 1b170f5ea8..9067a4a36c 100644 --- a/log.go +++ b/log.go @@ -208,19 +208,3 @@ func SetSubLogger(root *build.RotatingLogWriter, subsystem string, useLogger(logger) } } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/peer/brontide.go b/peer/brontide.go index 769fe539fb..9393acefb2 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -2156,7 +2156,7 @@ func (p *Brontide) logWireMessage(msg lnwire.Message, read bool) { summaryPrefix = "Sending" } - p.log.Debugf("%v", newLogClosure(func() string { + p.log.Debugf("%v", lnutils.NewLogClosure(func() string { // Debug summary of message. summary := messageSummary(msg) if len(summary) > 0 { @@ -2184,7 +2184,7 @@ func (p *Brontide) logWireMessage(msg lnwire.Message, read bool) { prefix = "writeMessage to peer" } - p.log.Tracef(prefix+": %v", newLogClosure(func() string { + p.log.Tracef(prefix+": %v", lnutils.NewLogClosure(func() string { return spew.Sdump(msg) })) } diff --git a/peer/log.go b/peer/log.go index a1f9bda3e1..f0d1a6672f 100644 --- a/peer/log.go +++ b/peer/log.go @@ -22,19 +22,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { peerLog = logger } - -// logClosure is used to provide a closure over expensive logging operations -// so they aren't performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/routing/log.go b/routing/log.go index e5c2e7a078..741ec084ef 100644 --- a/routing/log.go +++ b/routing/log.go @@ -31,19 +31,3 @@ func UseLogger(logger btclog.Logger) { log = logger chainview.UseLogger(logger) } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/routing/pathfind.go b/routing/pathfind.go index 083af04dbd..a808269716 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -13,6 +13,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/feature" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" "github.com/lightningnetwork/lnd/routing/route" @@ -728,7 +729,7 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, edge.capacity, ) - log.Trace(newLogClosure(func() string { + log.Trace(lnutils.NewLogClosure(func() string { return fmt.Sprintf("path finding probability: fromnode=%v,"+ " tonode=%v, amt=%v, cap=%v, probability=%v", fromVertex, toNodeDist.node, amountToSend, diff --git a/routing/payment_session.go b/routing/payment_session.go index a464bd93ed..7fe9a45ba0 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -10,6 +10,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/graph" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" ) @@ -432,7 +433,7 @@ func (p *paymentSession) UpdateAdditionalEdge(msg *lnwire.ChannelUpdate, policy.FeeProportionalMillionths = lnwire.MilliSatoshi(msg.FeeRate) log.Debugf("New private channel update applied: %v", - newLogClosure(func() string { return spew.Sdump(msg) })) + lnutils.NewLogClosure(func() string { return spew.Sdump(msg) })) return true } diff --git a/routing/router.go b/routing/router.go index 293f2c9fc7..81abb50077 100644 --- a/routing/router.go +++ b/routing/router.go @@ -21,6 +21,7 @@ import ( "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" @@ -669,7 +670,7 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, } go log.Tracef("Obtained path to send %v to %x: %v", - req.Amount, req.Target, newLogClosure(func() string { + req.Amount, req.Target, lnutils.NewLogClosure(func() string { return spew.Sdump(route) }), ) @@ -704,7 +705,7 @@ func generateSphinxPacket(rt *route.Route, paymentHash []byte, } log.Tracef("Constructed per-hop payloads for payment_hash=%x: %v", - paymentHash[:], newLogClosure(func() string { + paymentHash, lnutils.NewLogClosure(func() string { path := make( []sphinx.OnionHop, sphinxPath.TrueRouteLength(), ) @@ -734,7 +735,7 @@ func generateSphinxPacket(rt *route.Route, paymentHash []byte, } log.Tracef("Generated sphinx packet: %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { // We make a copy of the ephemeral key and unset the // internal curve here in order to keep the logs from // getting noisy. @@ -945,8 +946,8 @@ func (r *ChannelRouter) SendPaymentAsync(ctx context.Context, // spewPayment returns a log closures that provides a spewed string // representation of the passed payment. -func spewPayment(payment *LightningPayment) logClosure { - return newLogClosure(func() string { +func spewPayment(payment *LightningPayment) lnutils.LogClosure { + return lnutils.NewLogClosure(func() string { // Make a copy of the payment with a nilled Curve // before spewing. var routeHints [][]zpay32.HopHint @@ -1091,7 +1092,7 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, } log.Tracef("Dispatching SendToRoute for HTLC hash %v: %v", - htlcHash, newLogClosure(func() string { + htlcHash, lnutils.NewLogClosure(func() string { return spew.Sdump(rt) }), ) diff --git a/rpcserver.go b/rpcserver.go index 465035ea55..26c6e4c711 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -63,6 +63,7 @@ import ( "github.com/lightningnetwork/lnd/lnrpc/routerrpc" "github.com/lightningnetwork/lnd/lnrpc/walletrpc" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/btcwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" @@ -5845,7 +5846,7 @@ func (r *rpcServer) LookupInvoice(ctx context.Context, } rpcsLog.Tracef("[lookupinvoice] located invoice %v", - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(invoice) })) diff --git a/sweep/fee_bumper.go b/sweep/fee_bumper.go index e792801669..761f16ecd6 100644 --- a/sweep/fee_bumper.go +++ b/sweep/fee_bumper.go @@ -313,7 +313,7 @@ func (t *TxPublisher) isNeutrinoBackend() bool { // // NOTE: part of the Bumper interface. func (t *TxPublisher) Broadcast(req *BumpRequest) (<-chan *BumpResult, error) { - log.Tracef("Received broadcast request: %s", newLogClosure( + log.Tracef("Received broadcast request: %s", lnutils.NewLogClosure( func() string { return spew.Sdump(req) })()) diff --git a/sweep/log.go b/sweep/log.go index 9bf48116dc..1725023758 100644 --- a/sweep/log.go +++ b/sweep/log.go @@ -27,19 +27,3 @@ func DisableLog() { func UseLogger(logger btclog.Logger) { log = logger } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { - return logClosure(c) -} diff --git a/sweep/sweeper.go b/sweep/sweeper.go index 39a03228d0..d414adc886 100644 --- a/sweep/sweeper.go +++ b/sweep/sweeper.go @@ -13,6 +13,7 @@ import ( "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" ) @@ -1376,7 +1377,7 @@ func (s *UtxoSweeper) handleInputSpent(spend *chainntnfs.SpendDetail) { log.Debugf("Detected third party spend related to in flight "+ "inputs (is_ours=%v): %v", isOurTx, - newLogClosure(func() string { + lnutils.NewLogClosure(func() string { return spew.Sdump(spend.SpendingTx) }), ) diff --git a/watchtower/wtdb/log.go b/watchtower/wtdb/log.go index ed453383f9..fa0a64f6ac 100644 --- a/watchtower/wtdb/log.go +++ b/watchtower/wtdb/log.go @@ -43,19 +43,3 @@ func UseLogger(logger btclog.Logger) { migration7.UseLogger(logger) migration8.UseLogger(logger) } - -// logClosure is used to provide a closure over expensive logging operations so -// don't have to be performed when the logging level doesn't warrant it. -type logClosure func() string // nolint:unused - -// String invokes the underlying function and returns the result. -func (c logClosure) String() string { - return c() -} - -// newLogClosure returns a new closure over a function that returns a string -// which itself provides a Stringer interface so that it can be used with the -// logging system. -func newLogClosure(c func() string) logClosure { // nolint:unused - return logClosure(c) -} From d992cf94d6b3b31fa2284652cb34962e8fe56958 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 25 Jul 2024 22:18:00 +0800 Subject: [PATCH 146/343] multi: add `SpewLogClosure` to avoid code repetition --- chanbackup/recover.go | 6 ++---- contractcourt/breach_arbitrator.go | 19 +++++------------ contractcourt/channel_arbitrator.go | 27 ++++++----------------- contractcourt/utxonursery.go | 5 +---- discovery/bootstrapper.go | 6 +----- graph/builder.go | 5 +---- htlcswitch/circuit_map.go | 19 ++++++----------- htlcswitch/link.go | 11 +++------- htlcswitch/switch.go | 14 ++++-------- lnrpc/invoicesrpc/addinvoice.go | 6 +----- lnutils/log.go | 10 +++++++++ lnwallet/chancloser/chancloser.go | 5 +---- lnwallet/channel.go | 33 ++++++----------------------- peer/brontide.go | 4 +--- routing/payment_session.go | 3 +-- routing/router.go | 12 +++-------- rpcserver.go | 4 +--- sweep/fee_bumper.go | 7 ++---- sweep/sweeper.go | 5 +---- 19 files changed, 57 insertions(+), 144 deletions(-) diff --git a/chanbackup/recover.go b/chanbackup/recover.go index e36a6badb0..7f5502c4a2 100644 --- a/chanbackup/recover.go +++ b/chanbackup/recover.go @@ -4,7 +4,6 @@ import ( "net" "github.com/btcsuite/btcd/btcec/v2" - "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lnutils" @@ -64,9 +63,8 @@ func Recover(backups []Single, restorer ChannelRestorer, log.Infof("Attempting to connect to node=%x (addrs=%v) to "+ "restore ChannelPoint(%v)", backup.RemoteNodePub.SerializeCompressed(), - lnutils.NewLogClosure(func() string { - return spew.Sdump(backups[i].Addresses) - }), backup.FundingOutpoint) + lnutils.SpewLogClosure(backups[i].Addresses), + backup.FundingOutpoint) err = peerConnector.ConnectPeer( backup.RemoteNodePub, backup.Addresses, diff --git a/contractcourt/breach_arbitrator.go b/contractcourt/breach_arbitrator.go index aab4e943dc..e3dd85ea6f 100644 --- a/contractcourt/breach_arbitrator.go +++ b/contractcourt/breach_arbitrator.go @@ -13,7 +13,6 @@ import ( "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" - "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/input" @@ -733,10 +732,8 @@ justiceTxBroadcast: } finalTx := justiceTxs.spendAll - brarLog.Debugf("Broadcasting justice tx: %v", lnutils.NewLogClosure( - func() string { - return spew.Sdump(finalTx) - })) + brarLog.Debugf("Broadcasting justice tx: %v", lnutils.SpewLogClosure( + finalTx)) // We'll now attempt to broadcast the transaction which finalized the // channel's retribution against the cheating counter party. @@ -859,9 +856,7 @@ Loop: brarLog.Debugf("Broadcasting justice tx "+ "spending commitment outs: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(tx) - })) + lnutils.SpewLogClosure(tx)) err = b.cfg.PublishTransaction(tx, label) if err != nil { @@ -876,9 +871,7 @@ Loop: brarLog.Debugf("Broadcasting justice tx "+ "spending HTLC outs: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(tx) - })) + lnutils.SpewLogClosure(tx)) err = b.cfg.PublishTransaction(tx, label) if err != nil { @@ -893,9 +886,7 @@ Loop: brarLog.Debugf("Broadcasting justice tx "+ "spending second-level HTLC output: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(tx) - })) + lnutils.SpewLogClosure(tx)) err = b.cfg.PublishTransaction(tx, label) if err != nil { diff --git a/contractcourt/channel_arbitrator.go b/contractcourt/channel_arbitrator.go index 854bff5f65..d544e989c9 100644 --- a/contractcourt/channel_arbitrator.go +++ b/contractcourt/channel_arbitrator.go @@ -14,7 +14,6 @@ import ( "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" - "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/fn" @@ -466,10 +465,8 @@ func (c *ChannelArbitrator) Start(state *chanArbStartState) error { } log.Debugf("Starting ChannelArbitrator(%v), htlc_set=%v, state=%v", - c.cfg.ChanPoint, lnutils.NewLogClosure(func() string { - return spew.Sdump(c.activeHTLCs) - }), state.currentState, - ) + c.cfg.ChanPoint, lnutils.SpewLogClosure(c.activeHTLCs), + state.currentState) // Set our state from our starting state. c.state = state.currentState @@ -959,10 +956,7 @@ func (c *ChannelArbitrator) stateStep( // Otherwise, we'll log that we checked the HTLC actions as the // commitment transaction has already been broadcast. log.Tracef("ChannelArbitrator(%v): logging chain_actions=%v", - c.cfg.ChanPoint, - lnutils.NewLogClosure(func() string { - return spew.Sdump(chainActions) - })) + c.cfg.ChanPoint, lnutils.SpewLogClosure(chainActions)) // Depending on the type of trigger, we'll either "tunnel" // through to a farther state, or just proceed linearly to the @@ -1097,10 +1091,7 @@ func (c *ChannelArbitrator) stateStep( // channel resolution state. log.Infof("Broadcasting force close transaction %v, "+ "ChannelPoint(%v): %v", closeTx.TxHash(), - c.cfg.ChanPoint, - lnutils.NewLogClosure(func() string { - return spew.Sdump(closeTx) - })) + c.cfg.ChanPoint, lnutils.SpewLogClosure(closeTx)) // At this point, we'll now broadcast the commitment // transaction itself. @@ -1225,9 +1216,7 @@ func (c *ChannelArbitrator) stateStep( if len(pktsToSend) != 0 { log.Debugf("ChannelArbitrator(%v): sending "+ "resolution message=%v", c.cfg.ChanPoint, - lnutils.NewLogClosure(func() string { - return spew.Sdump(pktsToSend) - })) + lnutils.SpewLogClosure(pktsToSend)) err := c.cfg.DeliverResolutionMsg(pktsToSend...) if err != nil { @@ -2742,11 +2731,7 @@ func (c *ChannelArbitrator) notifyContractUpdate(upd *ContractUpdate) { c.unmergedSet[upd.HtlcKey] = newHtlcSet(upd.Htlcs) log.Tracef("ChannelArbitrator(%v): fresh set of htlcs=%v", - c.cfg.ChanPoint, - lnutils.NewLogClosure(func() string { - return spew.Sdump(upd) - }), - ) + c.cfg.ChanPoint, lnutils.SpewLogClosure(upd)) } // updateActiveHTLCs merges the unmerged set of HTLCs from the link with diff --git a/contractcourt/utxonursery.go b/contractcourt/utxonursery.go index 95e0778e64..4073841628 100644 --- a/contractcourt/utxonursery.go +++ b/contractcourt/utxonursery.go @@ -948,10 +948,7 @@ func (u *UtxoNursery) waitForSweepConf(classHeight uint32, func (u *UtxoNursery) sweepCribOutput(classHeight uint32, baby *babyOutput) error { utxnLog.Infof("Publishing CLTV-delayed HTLC output using timeout tx "+ "(txid=%v): %v", baby.timeoutTx.TxHash(), - lnutils.NewLogClosure(func() string { - return spew.Sdump(baby.timeoutTx) - }), - ) + lnutils.SpewLogClosure(baby.timeoutTx)) // We'll now broadcast the HTLC transaction, then wait for it to be // confirmed before transitioning it to kindergarten. diff --git a/discovery/bootstrapper.go b/discovery/bootstrapper.go index 9e3c40b030..0d370663d6 100644 --- a/discovery/bootstrapper.go +++ b/discovery/bootstrapper.go @@ -14,7 +14,6 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcutil/bech32" - "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/autopilot" "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" @@ -432,10 +431,7 @@ search: } log.Tracef("Retrieved SRV records from dns seed: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(addrs) - }), - ) + lnutils.SpewLogClosure(addrs)) // Next, we'll need to issue an A record request for each of // the nodes, skipping it if nothing comes back. diff --git a/graph/builder.go b/graph/builder.go index 01ea97cf93..addec9e1b5 100644 --- a/graph/builder.go +++ b/graph/builder.go @@ -12,7 +12,6 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/wire" - "github.com/davecgh/go-spew/spew" "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/batch" "github.com/lightningnetwork/lnd/chainntnfs" @@ -1432,9 +1431,7 @@ func (b *Builder) processUpdate(msg interface{}, } log.Tracef("New channel update applied: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(msg) - })) + lnutils.SpewLogClosure(msg)) b.stats.incNumChannelUpdates() default: diff --git a/htlcswitch/circuit_map.go b/htlcswitch/circuit_map.go index 06477ef986..076d6f2840 100644 --- a/htlcswitch/circuit_map.go +++ b/htlcswitch/circuit_map.go @@ -5,7 +5,6 @@ import ( "fmt" "sync" - "github.com/davecgh/go-spew/spew" "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/htlcswitch/hop" @@ -801,10 +800,8 @@ func (cm *circuitMap) CommitCircuits(circuits ...*PaymentCircuit) ( inKeys = append(inKeys, circuit.Incoming) } - log.Tracef("Committing fresh circuits: %v", lnutils.NewLogClosure( - func() string { - return spew.Sdump(inKeys) - })) + log.Tracef("Committing fresh circuits: %v", lnutils.SpewLogClosure( + inKeys)) actions := &CircuitFwdActions{} @@ -950,10 +947,8 @@ func (cm *circuitMap) OpenCircuits(keystones ...Keystone) error { return nil } - log.Tracef("Opening finalized circuits: %v", lnutils.NewLogClosure( - func() string { - return spew.Sdump(keystones) - })) + log.Tracef("Opening finalized circuits: %v", lnutils.SpewLogClosure( + keystones)) // Check that all keystones correspond to committed-but-unopened // circuits. @@ -1081,10 +1076,8 @@ func (cm *circuitMap) CloseCircuit(outKey CircuitKey) (*PaymentCircuit, error) { // circuit was already cleaned up at a different point in time. func (cm *circuitMap) DeleteCircuits(inKeys ...CircuitKey) error { - log.Tracef("Deleting resolved circuits: %v", lnutils.NewLogClosure( - func() string { - return spew.Sdump(inKeys) - })) + log.Tracef("Deleting resolved circuits: %v", lnutils.SpewLogClosure( + inKeys)) var ( closingCircuits = make(map[CircuitKey]struct{}) diff --git a/htlcswitch/link.go b/htlcswitch/link.go index 20b32596f4..712bbda9e1 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -13,7 +13,6 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btclog" - "github.com/davecgh/go-spew/spew" "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/build" "github.com/lightningnetwork/lnd/channeldb" @@ -2537,13 +2536,9 @@ func (l *channelLink) updateCommitTx() error { l.log.Tracef("revocation window exhausted, unable to send: "+ "%v, pend_updates=%v, dangling_closes%v", l.channel.PendingLocalUpdateCount(), - lnutils.NewLogClosure(func() string { - return spew.Sdump(l.openedCircuits) - }), - lnutils.NewLogClosure(func() string { - return spew.Sdump(l.closedCircuits) - }), - ) + lnutils.SpewLogClosure(l.openedCircuits), + lnutils.SpewLogClosure(l.closedCircuits)) + return nil } else if err != nil { return err diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index 7f2661212c..a78266113c 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -614,10 +614,8 @@ func (s *Switch) SendHTLC(firstHop lnwire.ShortChannelID, attemptID uint64, func (s *Switch) UpdateForwardingPolicies( chanPolicies map[wire.OutPoint]models.ForwardingPolicy) { - log.Tracef("Updating link policies: %v", lnutils.NewLogClosure( - func() string { - return spew.Sdump(chanPolicies) - })) + log.Tracef("Updating link policies: %v", lnutils.SpewLogClosure( + chanPolicies)) s.indexMtx.RLock() @@ -1216,9 +1214,7 @@ func (s *Switch) handlePacketForward(packet *htlcPacket) error { log.Warnf("unable to find err source for "+ "outgoing_link=%v, errors=%v", packet.outgoingChanID, - lnutils.NewLogClosure(func() string { - return spew.Sdump(linkErrs) - })) + lnutils.SpewLogClosure(linkErrs)) } log.Tracef("incoming HTLC(%x) violated "+ @@ -1999,9 +1995,7 @@ out: log.Tracef("Acked %d settle fails: %v", len(s.pendingSettleFails), - lnutils.NewLogClosure(func() string { - return spew.Sdump(s.pendingSettleFails) - })) + lnutils.SpewLogClosure(s.pendingSettleFails)) // Reset the pendingSettleFails buffer while keeping acquired // memory. diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index d12dc11d79..b85feefb65 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -15,7 +15,6 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/wire" - "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/invoices" @@ -474,10 +473,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, } log.Tracef("[addinvoice] adding new invoice %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(newInvoice) - }), - ) + lnutils.SpewLogClosure(newInvoice)) // With all sanity checks passed, write the invoice to the database. _, err = cfg.AddInvoice(ctx, newInvoice, paymentHash) diff --git a/lnutils/log.go b/lnutils/log.go index 4bfb64b070..a32738bdf4 100644 --- a/lnutils/log.go +++ b/lnutils/log.go @@ -1,5 +1,7 @@ package lnutils +import "github.com/davecgh/go-spew/spew" + // LogClosure is used to provide a closure over expensive logging operations so // don't have to be performed when the logging level doesn't warrant it. type LogClosure func() string @@ -15,3 +17,11 @@ func (c LogClosure) String() string { func NewLogClosure(c func() string) LogClosure { return LogClosure(c) } + +// SpewLogClosure takes an interface and returns the string of it created from +// `spew.Sdump` in a LogClosure. +func SpewLogClosure(a any) LogClosure { + return func() string { + return spew.Sdump(a) + } +} diff --git a/lnwallet/chancloser/chancloser.go b/lnwallet/chancloser/chancloser.go index 477d0912f4..3f5e730c0c 100644 --- a/lnwallet/chancloser/chancloser.go +++ b/lnwallet/chancloser/chancloser.go @@ -870,10 +870,7 @@ func (c *ChanCloser) ReceiveClosingSigned( //nolint:funlen // With the closing transaction crafted, we'll now broadcast it // to the network. chancloserLog.Infof("Broadcasting cooperative close tx: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(closeTx) - }), - ) + lnutils.SpewLogClosure(closeTx)) // Create a close channel label. chanID := c.cfg.Channel.ShortChanID() diff --git a/lnwallet/channel.go b/lnwallet/channel.go index b3ccf77d1f..b4ea2fee01 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -1870,10 +1870,7 @@ func (lc *LightningChannel) restoreCommitState( lc.localCommitChain.addCommitment(localCommit) lc.log.Tracef("starting local commitment: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(lc.localCommitChain.tail()) - }), - ) + lnutils.SpewLogClosure(lc.localCommitChain.tail())) // We'll also do the same for the remote commitment chain. remoteCommit, err := lc.diskCommitToMemCommit( @@ -1886,10 +1883,7 @@ func (lc *LightningChannel) restoreCommitState( lc.remoteCommitChain.addCommitment(remoteCommit) lc.log.Tracef("starting remote commitment: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(lc.remoteCommitChain.tail()) - }), - ) + lnutils.SpewLogClosure(lc.remoteCommitChain.tail())) var ( pendingRemoteCommit *commitment @@ -1921,10 +1915,7 @@ func (lc *LightningChannel) restoreCommitState( lc.remoteCommitChain.addCommitment(pendingRemoteCommit) lc.log.Debugf("pending remote commitment: %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(lc.remoteCommitChain.tip()) - }), - ) + lnutils.SpewLogClosure(lc.remoteCommitChain.tip())) // We'll also re-create the set of commitment keys needed to // fully re-derive the state. @@ -3246,12 +3237,8 @@ func (lc *LightningChannel) fetchParent(entry *PaymentDescriptor, return nil, fmt.Errorf("unable to find parent entry "+ "%d in %v update log: %v\nUpdatelog: %v", entry.ParentIndex, logName, - lnutils.NewLogClosure(func() string { - return spew.Sdump(entry) - }), lnutils.NewLogClosure(func() string { - return spew.Sdump(updateLog) - }), - ) + lnutils.SpewLogClosure(entry), + lnutils.SpewLogClosure(updateLog)) // The parent add height should never be zero at this point. If // that's the case we probably forgot to send a new commitment. @@ -4250,10 +4237,7 @@ func (lc *LightningChannel) SignNextCommitment() (*NewCommitState, error) { "their_balance=%v, commit_tx: %v", newCommitView.ourBalance, newCommitView.theirBalance, - lnutils.NewLogClosure(func() string { - return spew.Sdump(newCommitView.txn) - }), - ) + lnutils.SpewLogClosure(newCommitView.txn)) // With the commitment view constructed, if there are any HTLC's, we'll // need to generate signatures of each of them for the remote party's @@ -5210,10 +5194,7 @@ func (lc *LightningChannel) ReceiveNewCommitment(commitSigs *CommitSigs) error { lc.log.Tracef("local chain: our_balance=%v, "+ "their_balance=%v, commit_tx: %v", localCommitmentView.ourBalance, localCommitmentView.theirBalance, - lnutils.NewLogClosure(func() string { - return spew.Sdump(localCommitmentView.txn) - }), - ) + lnutils.SpewLogClosure(localCommitmentView.txn)) // As an optimization, we'll generate a series of jobs for the worker // pool to verify each of the HTLC signatures presented. Once diff --git a/peer/brontide.go b/peer/brontide.go index 9393acefb2..fa2c8fde9a 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -2184,9 +2184,7 @@ func (p *Brontide) logWireMessage(msg lnwire.Message, read bool) { prefix = "writeMessage to peer" } - p.log.Tracef(prefix+": %v", lnutils.NewLogClosure(func() string { - return spew.Sdump(msg) - })) + p.log.Tracef(prefix+": %v", lnutils.SpewLogClosure(msg)) } // writeMessage writes and flushes the target lnwire.Message to the remote peer. diff --git a/routing/payment_session.go b/routing/payment_session.go index 7fe9a45ba0..710318426b 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -5,7 +5,6 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btclog" - "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/build" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" @@ -433,7 +432,7 @@ func (p *paymentSession) UpdateAdditionalEdge(msg *lnwire.ChannelUpdate, policy.FeeProportionalMillionths = lnwire.MilliSatoshi(msg.FeeRate) log.Debugf("New private channel update applied: %v", - lnutils.NewLogClosure(func() string { return spew.Sdump(msg) })) + lnutils.SpewLogClosure(msg)) return true } diff --git a/routing/router.go b/routing/router.go index 81abb50077..35db5a779a 100644 --- a/routing/router.go +++ b/routing/router.go @@ -670,10 +670,7 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, } go log.Tracef("Obtained path to send %v to %x: %v", - req.Amount, req.Target, lnutils.NewLogClosure(func() string { - return spew.Sdump(route) - }), - ) + req.Amount, req.Target, lnutils.SpewLogClosure(route)) return route, probability, nil } @@ -1091,11 +1088,8 @@ func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, return nil, err } - log.Tracef("Dispatching SendToRoute for HTLC hash %v: %v", - htlcHash, lnutils.NewLogClosure(func() string { - return spew.Sdump(rt) - }), - ) + log.Tracef("Dispatching SendToRoute for HTLC hash %v: %v", htlcHash, + lnutils.SpewLogClosure(rt)) // Since the HTLC hashes and preimages are specified manually over the // RPC for SendToRoute requests, we don't have to worry about creating diff --git a/rpcserver.go b/rpcserver.go index 26c6e4c711..ac10fc790c 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5846,9 +5846,7 @@ func (r *rpcServer) LookupInvoice(ctx context.Context, } rpcsLog.Tracef("[lookupinvoice] located invoice %v", - lnutils.NewLogClosure(func() string { - return spew.Sdump(invoice) - })) + lnutils.SpewLogClosure(invoice)) rpcInvoice, err := invoicesrpc.CreateRPCInvoice( &invoice, r.cfg.ActiveNetParams.Params, diff --git a/sweep/fee_bumper.go b/sweep/fee_bumper.go index 761f16ecd6..452cc0dd8c 100644 --- a/sweep/fee_bumper.go +++ b/sweep/fee_bumper.go @@ -12,7 +12,6 @@ import ( "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btcwallet/chain" - "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" @@ -313,10 +312,8 @@ func (t *TxPublisher) isNeutrinoBackend() bool { // // NOTE: part of the Bumper interface. func (t *TxPublisher) Broadcast(req *BumpRequest) (<-chan *BumpResult, error) { - log.Tracef("Received broadcast request: %s", lnutils.NewLogClosure( - func() string { - return spew.Sdump(req) - })()) + log.Tracef("Received broadcast request: %s", lnutils.SpewLogClosure( + req)) // Attempt an initial broadcast which is guaranteed to comply with the // RBF rules. diff --git a/sweep/sweeper.go b/sweep/sweeper.go index d414adc886..af2f0cec9e 100644 --- a/sweep/sweeper.go +++ b/sweep/sweeper.go @@ -1377,10 +1377,7 @@ func (s *UtxoSweeper) handleInputSpent(spend *chainntnfs.SpendDetail) { log.Debugf("Detected third party spend related to in flight "+ "inputs (is_ours=%v): %v", isOurTx, - lnutils.NewLogClosure(func() string { - return spew.Sdump(spend.SpendingTx) - }), - ) + lnutils.SpewLogClosure(spend.SpendingTx)) } // We now use the spending tx to update the state of the inputs. From bc2922232c89d0c8874c40f9aa630902da2df3b1 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Thu, 25 Jul 2024 13:13:02 -0700 Subject: [PATCH 147/343] build: remove old Travis references We no longer use Travis. --- Dockerfile | 1 - dev.Dockerfile | 1 - lnrpc/README.md | 1 - make/builder.Dockerfile | 1 - 4 files changed, 4 deletions(-) diff --git a/Dockerfile b/Dockerfile index d15c079ad6..683eff81a9 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,5 +1,4 @@ # If you change this value, please change it in the following files as well: -# /.travis.yml # /dev.Dockerfile # /make/builder.Dockerfile # /.github/workflows/main.yml diff --git a/dev.Dockerfile b/dev.Dockerfile index 61847b9857..c0d4572bb4 100644 --- a/dev.Dockerfile +++ b/dev.Dockerfile @@ -1,5 +1,4 @@ # If you change this value, please change it in the following files as well: -# /.travis.yml # /Dockerfile # /make/builder.Dockerfile # /.github/workflows/main.yml diff --git a/lnrpc/README.md b/lnrpc/README.md index c4705d629a..b504525f11 100644 --- a/lnrpc/README.md +++ b/lnrpc/README.md @@ -1,7 +1,6 @@ lnrpc ===== -[![Build Status](http://img.shields.io/travis/lightningnetwork/lnd.svg)](https://travis-ci.org/lightningnetwork/lnd) [![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/lightningnetwork/lnd/blob/master/LICENSE) [![GoDoc](https://img.shields.io/badge/godoc-reference-blue.svg)](http://godoc.org/github.com/lightningnetwork/lnd/lnrpc) diff --git a/make/builder.Dockerfile b/make/builder.Dockerfile index 1c1c17d280..db227983a1 100644 --- a/make/builder.Dockerfile +++ b/make/builder.Dockerfile @@ -1,5 +1,4 @@ # If you change this value, please change it in the following files as well: -# /.travis.yml # /Dockerfile # /dev.Dockerfile # /.github/workflows/main.yml From 4f5dd20f7e81023e391a6f82560afb434c9018e5 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 15 Jul 2024 09:15:59 +0200 Subject: [PATCH 148/343] go.mod: update lightning-onion dep --- go.mod | 2 +- go.sum | 4 ++-- htlcswitch/circuit_test.go | 3 +-- server.go | 4 +--- 4 files changed, 5 insertions(+), 8 deletions(-) diff --git a/go.mod b/go.mod index 71aa008f06..69e59f3576 100644 --- a/go.mod +++ b/go.mod @@ -32,7 +32,7 @@ require ( github.com/kkdai/bstream v1.0.0 github.com/lightninglabs/neutrino v0.16.1-0.20240425105051-602843d34ffd github.com/lightninglabs/neutrino/cache v1.1.2 - github.com/lightningnetwork/lightning-onion v1.2.1-0.20230823005744-06182b1d7d2f + github.com/lightningnetwork/lightning-onion v1.2.1-0.20240712235311-98bd56499dfb github.com/lightningnetwork/lnd/cert v1.2.2 github.com/lightningnetwork/lnd/clock v1.1.1 github.com/lightningnetwork/lnd/fn v1.2.0 diff --git a/go.sum b/go.sum index aa76ec293d..d371e48377 100644 --- a/go.sum +++ b/go.sum @@ -444,8 +444,8 @@ github.com/lightninglabs/neutrino/cache v1.1.2 h1:C9DY/DAPaPxbFC+xNNEI/z1SJY9GS3 github.com/lightninglabs/neutrino/cache v1.1.2/go.mod h1:XJNcgdOw1LQnanGjw8Vj44CvguYA25IMKjWFZczwZuo= github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display h1:pRdza2wleRN1L2fJXd6ZoQ9ZegVFTAb2bOQfruJPKcY= github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= -github.com/lightningnetwork/lightning-onion v1.2.1-0.20230823005744-06182b1d7d2f h1:Pua7+5TcFEJXIIZ1I2YAUapmbcttmLj4TTi786bIi3s= -github.com/lightningnetwork/lightning-onion v1.2.1-0.20230823005744-06182b1d7d2f/go.mod h1:c0kvRShutpj3l6B9WtTsNTBUtjSmjZXbJd9ZBRQOSKI= +github.com/lightningnetwork/lightning-onion v1.2.1-0.20240712235311-98bd56499dfb h1:yfM05S8DXKhuCBp5qSMZdtSwvJ+GFzl94KbXMNB1JDY= +github.com/lightningnetwork/lightning-onion v1.2.1-0.20240712235311-98bd56499dfb/go.mod h1:c0kvRShutpj3l6B9WtTsNTBUtjSmjZXbJd9ZBRQOSKI= github.com/lightningnetwork/lnd/cert v1.2.2 h1:71YK6hogeJtxSxw2teq3eGeuy4rHGKcFf0d0Uy4qBjI= github.com/lightningnetwork/lnd/cert v1.2.2/go.mod h1:jQmFn/Ez4zhDgq2hnYSw8r35bqGVxViXhX6Cd7HXM6U= github.com/lightningnetwork/lnd/clock v1.1.1 h1:OfR3/zcJd2RhH0RU+zX/77c0ZiOnIMsDIBjgjWdZgA0= diff --git a/htlcswitch/circuit_test.go b/htlcswitch/circuit_test.go index 4fc1e03966..108692719b 100644 --- a/htlcswitch/circuit_test.go +++ b/htlcswitch/circuit_test.go @@ -8,7 +8,6 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcutil" - bitcoinCfg "github.com/btcsuite/btcd/chaincfg" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/htlcswitch" @@ -87,7 +86,7 @@ func initTestExtracter() { func newOnionProcessor(t *testing.T) *hop.OnionProcessor { sphinxRouter := sphinx.NewRouter( &keychain.PrivKeyECDH{PrivKey: sphinxPrivKey}, - &bitcoinCfg.SimNetParams, sphinx.NewMemoryReplayLog(), + sphinx.NewMemoryReplayLog(), ) if err := sphinxRouter.Start(); err != nil { diff --git a/server.go b/server.go index 7ae6ed21e7..c97054d511 100644 --- a/server.go +++ b/server.go @@ -518,9 +518,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, replayLog := htlcswitch.NewDecayedLog( dbs.DecayedLogDB, cc.ChainNotifier, ) - sphinxRouter := sphinx.NewRouter( - nodeKeyECDH, cfg.ActiveNetParams.Params, replayLog, - ) + sphinxRouter := sphinx.NewRouter(nodeKeyECDH, replayLog) writeBufferPool := pool.NewWriteBuffer( pool.DefaultWriteBufferGCInterval, From 188dd44b4274b6c10ebc9997544b9cf55f357d3f Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 11 Jul 2024 12:23:50 +0200 Subject: [PATCH 149/343] zpay32: improve readability of blinded path encoding --- zpay32/blinded_path.go | 84 +++++++++++++++++++++++------------------- 1 file changed, 46 insertions(+), 38 deletions(-) diff --git a/zpay32/blinded_path.go b/zpay32/blinded_path.go index 128a05e4ba..1f3adb8cea 100644 --- a/zpay32/blinded_path.go +++ b/zpay32/blinded_path.go @@ -13,15 +13,6 @@ import ( ) const ( - // relayInfoSize is the number of bytes that the relay info of a blinded - // payment will occupy. - // base fee: 4 bytes - // prop fee: 4 bytes - // cltv delta: 2 bytes - // min htlc: 8 bytes - // max htlc: 8 bytes - relayInfoSize = 26 - // maxNumHopsPerPath is the maximum number of blinded path hops that can // be included in a single encoded blinded path. This is calculated // based on the `data_length` limit of 638 bytes for any tagged field in @@ -32,6 +23,12 @@ const ( maxNumHopsPerPath = 7 ) +var ( + // byteOrder defines the endian-ness we use for encoding to and from + // buffers. + byteOrder = binary.BigEndian +) + // BlindedPaymentPath holds all the information a payer needs to know about a // blinded path to a receiver of a payment. type BlindedPaymentPath struct { @@ -69,24 +66,30 @@ type BlindedPaymentPath struct { // DecodeBlindedPayment attempts to parse a BlindedPaymentPath from the passed // reader. func DecodeBlindedPayment(r io.Reader) (*BlindedPaymentPath, error) { - var relayInfo [relayInfoSize]byte - n, err := r.Read(relayInfo[:]) - if err != nil { + var payment BlindedPaymentPath + + if err := binary.Read(r, byteOrder, &payment.FeeBaseMsat); err != nil { return nil, err } - if n != relayInfoSize { - return nil, fmt.Errorf("unable to read %d relay info bytes "+ - "off of the given stream: %w", relayInfoSize, err) + + if err := binary.Read(r, byteOrder, &payment.FeeRate); err != nil { + return nil, err } - var payment BlindedPaymentPath + err := binary.Read(r, byteOrder, &payment.CltvExpiryDelta) + if err != nil { + return nil, err + } - // Parse the relay info fields. - payment.FeeBaseMsat = binary.BigEndian.Uint32(relayInfo[:4]) - payment.FeeRate = binary.BigEndian.Uint32(relayInfo[4:8]) - payment.CltvExpiryDelta = binary.BigEndian.Uint16(relayInfo[8:10]) - payment.HTLCMinMsat = binary.BigEndian.Uint64(relayInfo[10:18]) - payment.HTLCMaxMsat = binary.BigEndian.Uint64(relayInfo[18:]) + err = binary.Read(r, byteOrder, &payment.HTLCMinMsat) + if err != nil { + return nil, err + } + + err = binary.Read(r, byteOrder, &payment.HTLCMaxMsat) + if err != nil { + return nil, err + } // Parse the feature bit vector. f := lnwire.EmptyFeatureVector() @@ -146,24 +149,31 @@ func DecodeBlindedPayment(r io.Reader) (*BlindedPaymentPath, error) { // 5) Number of hops: 1 byte. // 6) Encoded BlindedHops. func (p *BlindedPaymentPath) Encode(w io.Writer) error { - var relayInfo [26]byte - binary.BigEndian.PutUint32(relayInfo[:4], p.FeeBaseMsat) - binary.BigEndian.PutUint32(relayInfo[4:8], p.FeeRate) - binary.BigEndian.PutUint16(relayInfo[8:10], p.CltvExpiryDelta) - binary.BigEndian.PutUint64(relayInfo[10:18], p.HTLCMinMsat) - binary.BigEndian.PutUint64(relayInfo[18:], p.HTLCMaxMsat) - - _, err := w.Write(relayInfo[:]) - if err != nil { + if err := binary.Write(w, byteOrder, p.FeeBaseMsat); err != nil { return err } - err = p.Features.Encode(w) - if err != nil { + if err := binary.Write(w, byteOrder, p.FeeRate); err != nil { + return err + } + + if err := binary.Write(w, byteOrder, p.CltvExpiryDelta); err != nil { + return err + } + + if err := binary.Write(w, byteOrder, p.HTLCMinMsat); err != nil { return err } - _, err = w.Write(p.FirstEphemeralBlindingPoint.SerializeCompressed()) + if err := binary.Write(w, byteOrder, p.HTLCMaxMsat); err != nil { + return err + } + + if err := p.Features.Encode(w); err != nil { + return err + } + + _, err := w.Write(p.FirstEphemeralBlindingPoint.SerializeCompressed()) if err != nil { return err } @@ -174,14 +184,12 @@ func (p *BlindedPaymentPath) Encode(w io.Writer) error { "maximum of %d", numHops, maxNumHopsPerPath) } - _, err = w.Write([]byte{byte(numHops)}) - if err != nil { + if _, err := w.Write([]byte{byte(numHops)}); err != nil { return err } for _, hop := range p.Hops { - err = EncodeBlindedHop(w, hop) - if err != nil { + if err := EncodeBlindedHop(w, hop); err != nil { return err } } From 9192c165ffbf485820f309847529d263ed345707 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 4 Jul 2024 14:12:18 +0200 Subject: [PATCH 150/343] feature: define new feature bit for bolt11 blinded paths We need a new feature bit for BOLT11 invoices in order to indicate that they contain the new blinded path tagged field. Tagged fields pre-date TLV and so nodes who dont understand them will simply skip them. Therefore the feature bit helps them to fail fast. --- feature/default_sets.go | 3 +++ feature/deps.go | 4 ++-- feature/manager.go | 4 ++++ lnwire/features.go | 26 ++++++++++++++++++-------- 4 files changed, 27 insertions(+), 10 deletions(-) diff --git a/feature/default_sets.go b/feature/default_sets.go index cc802fe859..447870b277 100644 --- a/feature/default_sets.go +++ b/feature/default_sets.go @@ -92,4 +92,7 @@ var defaultSetDesc = setDesc{ SetInit: {}, // I SetNodeAnn: {}, // N }, + lnwire.Bolt11BlindedPathsOptional: { + SetInvoice: {}, // I + }, } diff --git a/feature/deps.go b/feature/deps.go index 350d49acf3..64b4f2fc9c 100644 --- a/feature/deps.go +++ b/feature/deps.go @@ -82,8 +82,8 @@ var deps = depDesc{ lnwire.RouteBlindingOptional: { lnwire.TLVOnionPayloadOptional: {}, }, - lnwire.RouteBlindingRequired: { - lnwire.TLVOnionPayloadRequired: {}, + lnwire.Bolt11BlindedPathsOptional: { + lnwire.RouteBlindingOptional: {}, }, } diff --git a/feature/manager.go b/feature/manager.go index c7029e8938..0b66539859 100644 --- a/feature/manager.go +++ b/feature/manager.go @@ -128,6 +128,8 @@ func newManager(cfg Config, desc setDesc) (*Manager, error) { raw.Unset(lnwire.MPPRequired) raw.Unset(lnwire.RouteBlindingOptional) raw.Unset(lnwire.RouteBlindingRequired) + raw.Unset(lnwire.Bolt11BlindedPathsOptional) + raw.Unset(lnwire.Bolt11BlindedPathsRequired) raw.Unset(lnwire.AMPOptional) raw.Unset(lnwire.AMPRequired) raw.Unset(lnwire.KeysendOptional) @@ -187,6 +189,8 @@ func newManager(cfg Config, desc setDesc) (*Manager, error) { if cfg.NoRouteBlinding { raw.Unset(lnwire.RouteBlindingOptional) raw.Unset(lnwire.RouteBlindingRequired) + raw.Unset(lnwire.Bolt11BlindedPathsOptional) + raw.Unset(lnwire.Bolt11BlindedPathsRequired) } for _, custom := range cfg.CustomFeatures[set] { if custom > set.Maximum() { diff --git a/lnwire/features.go b/lnwire/features.go index e4dd7f4f81..db07197e83 100644 --- a/lnwire/features.go +++ b/lnwire/features.go @@ -223,7 +223,7 @@ const ( // able and willing to accept keysend payments. KeysendOptional = 55 - // ScriptEnforcedLeaseOptional is an optional feature bit that signals + // ScriptEnforcedLeaseRequired is a required feature bit that signals // that the node requires channels having zero-fee second-level HTLC // transactions, which also imply anchor commitments, along with an // additional CLTV constraint of a channel lease's expiration height @@ -241,18 +241,17 @@ const ( // TODO: Decide on actual feature bit value. ScriptEnforcedLeaseOptional FeatureBit = 2023 - // SimpleTaprootChannelsRequredFinal is a required bit that indicates + // SimpleTaprootChannelsRequiredFinal is a required bit that indicates // the node is able to create taproot-native channels. This is the // final feature bit to be used once the channel type is finalized. SimpleTaprootChannelsRequiredFinal = 80 // SimpleTaprootChannelsOptionalFinal is an optional bit that indicates // the node is able to create taproot-native channels. This is the - // final - // feature bit to be used once the channel type is finalized. + // final feature bit to be used once the channel type is finalized. SimpleTaprootChannelsOptionalFinal = 81 - // SimpleTaprootChannelsRequredStaging is a required bit that indicates + // SimpleTaprootChannelsRequiredStaging is a required bit that indicates // the node is able to create taproot-native channels. This is a // feature bit used in the wild while the channel type is still being // finalized. @@ -260,11 +259,20 @@ const ( // SimpleTaprootChannelsOptionalStaging is an optional bit that // indicates the node is able to create taproot-native channels. This - // is a feature - // bit used in the wild while the channel type is still being - // finalized. + // is a feature bit used in the wild while the channel type is still + // being finalized. SimpleTaprootChannelsOptionalStaging = 181 + // Bolt11BlindedPathsRequired is a required feature bit that indicates + // that the node is able to understand the blinded path tagged field in + // a BOLT 11 invoice. + Bolt11BlindedPathsRequired = 260 + + // Bolt11BlindedPathsOptional is an optional feature bit that indicates + // that the node is able to understand the blinded path tagged field in + // a BOLT 11 invoice. + Bolt11BlindedPathsOptional = 261 + // MaxBolt11Feature is the maximum feature bit value allowed in bolt 11 // invoices. // @@ -331,6 +339,8 @@ var Features = map[FeatureBit]string{ SimpleTaprootChannelsOptionalFinal: "simple-taproot-chans", SimpleTaprootChannelsRequiredStaging: "simple-taproot-chans-x", SimpleTaprootChannelsOptionalStaging: "simple-taproot-chans-x", + Bolt11BlindedPathsOptional: "bolt-11-blinded-paths", + Bolt11BlindedPathsRequired: "bolt-11-blinded-paths", } // RawFeatureVector represents a set of feature bits as defined in BOLT-09. A From 62a97f86ddd8abba4886721559286f9766ca1fd5 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Jul 2024 09:59:47 +0200 Subject: [PATCH 151/343] record: add NextNodeID type to BlindedRouteData Add the NextNodeID TLV (tlv type 4) to the BlindedRouteData TLV stream. This will be used during the dummy hop payload construction. --- record/blinded_data.go | 40 +++++++++++++++++++++++++++++++++++-- record/blinded_data_test.go | 32 +++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+), 2 deletions(-) diff --git a/record/blinded_data.go b/record/blinded_data.go index 7b7081b3be..2c3204d20b 100644 --- a/record/blinded_data.go +++ b/record/blinded_data.go @@ -22,6 +22,11 @@ type BlindedRouteData struct { // ShortChannelID is the channel ID of the next hop. ShortChannelID tlv.OptionalRecordT[tlv.TlvType2, lnwire.ShortChannelID] + // NextNodeID is the node ID of the next node on the path. In the + // context of blinded path payments, this is used to indicate the + // presence of dummy hops that need to be peeled from the onion. + NextNodeID tlv.OptionalRecordT[tlv.TlvType4, *btcec.PublicKey] + // PathID is a secret set of bytes that the blinded path creator will // set so that they can check the value on decryption to ensure that the // path they created was used for the intended purpose. @@ -98,6 +103,26 @@ func NewFinalHopBlindedRouteData(constraints *PaymentConstraints, return &data } +// NewDummyHopRouteData creates the data that's provided for any hop preceding +// a dummy hop. The presence of such a payload indicates to the reader that +// they are the intended recipient and should peel the remainder of the onion. +func NewDummyHopRouteData(ourPubKey *btcec.PublicKey, + relayInfo PaymentRelayInfo, + constraints PaymentConstraints) *BlindedRouteData { + + return &BlindedRouteData{ + NextNodeID: tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType4](ourPubKey), + ), + RelayInfo: tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType10](relayInfo), + ), + Constraints: tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType12](constraints), + ), + } +} + // DecodeBlindedRouteData decodes the data provided within a blinded route. func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { var ( @@ -105,6 +130,7 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { padding = d.Padding.Zero() scid = d.ShortChannelID.Zero() + nextNodeID = d.NextNodeID.Zero() pathID = d.PathID.Zero() blindingOverride = d.NextBlindingOverride.Zero() relayInfo = d.RelayInfo.Zero() @@ -118,8 +144,8 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { } typeMap, err := tlvRecords.ExtractRecords( - &padding, &scid, &pathID, &blindingOverride, &relayInfo, - &constraints, &features, + &padding, &scid, &nextNodeID, &pathID, &blindingOverride, + &relayInfo, &constraints, &features, ) if err != nil { return nil, err @@ -134,6 +160,10 @@ func DecodeBlindedRouteData(r io.Reader) (*BlindedRouteData, error) { d.ShortChannelID = tlv.SomeRecordT(scid) } + if val, ok := typeMap[d.NextNodeID.TlvType()]; ok && val == nil { + d.NextNodeID = tlv.SomeRecordT(nextNodeID) + } + if val, ok := typeMap[d.PathID.TlvType()]; ok && val == nil { d.PathID = tlv.SomeRecordT(pathID) } @@ -175,6 +205,12 @@ func EncodeBlindedRouteData(data *BlindedRouteData) ([]byte, error) { recordProducers = append(recordProducers, &scid) }) + data.NextNodeID.WhenSome(func(f tlv.RecordT[tlv.TlvType4, + *btcec.PublicKey]) { + + recordProducers = append(recordProducers, &f) + }) + data.PathID.WhenSome(func(pathID tlv.RecordT[tlv.TlvType6, []byte]) { recordProducers = append(recordProducers, &pathID) }) diff --git a/record/blinded_data_test.go b/record/blinded_data_test.go index 88ab9cddd6..6de97e4979 100644 --- a/record/blinded_data_test.go +++ b/record/blinded_data_test.go @@ -171,6 +171,38 @@ func TestBlindedDataFinalHopEncoding(t *testing.T) { } } +// TestDummyHopBlindedDataEncoding tests the encoding and decoding of a blinded +// data blob intended for hops preceding a dummy hop in a blinded path. These +// hops provide the reader with a signal that the next hop may be a dummy hop. +func TestDummyHopBlindedDataEncoding(t *testing.T) { + t.Parallel() + + priv, err := btcec.NewPrivateKey() + require.NoError(t, err) + + info := PaymentRelayInfo{ + FeeRate: 2, + CltvExpiryDelta: 3, + BaseFee: 30, + } + + constraints := PaymentConstraints{ + MaxCltvExpiry: 4, + HtlcMinimumMsat: 100, + } + + routeData := NewDummyHopRouteData(priv.PubKey(), info, constraints) + + encoded, err := EncodeBlindedRouteData(routeData) + require.NoError(t, err) + + b := bytes.NewBuffer(encoded) + decodedData, err := DecodeBlindedRouteData(b) + require.NoError(t, err) + + require.Equal(t, routeData, decodedData) +} + // TestBlindedRouteDataPadding tests the PadBy method of BlindedRouteData. func TestBlindedRouteDataPadding(t *testing.T) { newBlindedRouteData := func() *BlindedRouteData { From 4457ca2e66ec0f246fb5e75632cbf3292aa099ab Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 1 Jul 2024 15:27:41 +0200 Subject: [PATCH 152/343] record: stricter type for PaymentRelayInfo.BaseFee In this commit, we update the PaymentRelayInfo struct's BaseFee member to use a stricter type (lnwire.MilliSatoshi) instead of an ambigious uint32. --- htlcswitch/hop/iterator.go | 4 ++-- htlcswitch/hop/iterator_test.go | 2 +- itest/lnd_route_blinding_test.go | 4 +++- record/blinded_data.go | 20 +++++++++++++++----- record/blinded_data_test.go | 2 +- 5 files changed, 22 insertions(+), 10 deletions(-) diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index ddfbe5934f..5ef8708748 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -465,11 +465,11 @@ func (b *BlindingKit) DecryptAndValidateFwdInfo(payload *Payload, // ceil(a/b) = (a + b - 1)/(b). // //nolint:lll,dupword -func calculateForwardingAmount(incomingAmount lnwire.MilliSatoshi, baseFee, +func calculateForwardingAmount(incomingAmount, baseFee lnwire.MilliSatoshi, proportionalFee uint32) (lnwire.MilliSatoshi, error) { // Sanity check to prevent overflow. - if incomingAmount < lnwire.MilliSatoshi(baseFee) { + if incomingAmount < baseFee { return 0, fmt.Errorf("incoming amount: %v < base fee: %v", incomingAmount, baseFee) } diff --git a/htlcswitch/hop/iterator_test.go b/htlcswitch/hop/iterator_test.go index 9995c71baf..d99f1de245 100644 --- a/htlcswitch/hop/iterator_test.go +++ b/htlcswitch/hop/iterator_test.go @@ -111,7 +111,7 @@ func TestForwardingAmountCalc(t *testing.T) { tests := []struct { name string incomingAmount lnwire.MilliSatoshi - baseFee uint32 + baseFee lnwire.MilliSatoshi proportional uint32 forwardAmount lnwire.MilliSatoshi expectErr bool diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index a2899657ba..7cddff70b0 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -658,7 +658,9 @@ func (b *blindedForwardTest) createBlindedRoute(hops []*forwardingEdge, // Set the relay information for this edge based on its policy. delta := uint16(node.edge.TimeLockDelta) relayInfo := &record.PaymentRelayInfo{ - BaseFee: uint32(node.edge.FeeBaseMsat), + BaseFee: lnwire.MilliSatoshi( + node.edge.FeeBaseMsat, + ), FeeRate: uint32(node.edge.FeeRateMilliMsat), CltvExpiryDelta: delta, } diff --git a/record/blinded_data.go b/record/blinded_data.go index 2c3204d20b..a62db00a79 100644 --- a/record/blinded_data.go +++ b/record/blinded_data.go @@ -268,8 +268,8 @@ type PaymentRelayInfo struct { // satoshi. FeeRate uint32 - // BaseFee is the per-htlc fee charged. - BaseFee uint32 + // BaseFee is the per-htlc fee charged in milli-satoshis. + BaseFee lnwire.MilliSatoshi } // Record creates a tlv.Record that encodes the payment relay (type 10) type for @@ -278,7 +278,7 @@ func (i *PaymentRelayInfo) Record() tlv.Record { return tlv.MakeDynamicRecord( 10, &i, func() uint64 { // uint16 + uint32 + tuint32 - return 2 + 4 + tlv.SizeTUint32(i.BaseFee) + return 2 + 4 + tlv.SizeTUint32(uint32(i.BaseFee)) }, encodePaymentRelay, decodePaymentRelay, ) } @@ -294,9 +294,11 @@ func encodePaymentRelay(w io.Writer, val interface{}, buf *[8]byte) error { return err } + baseFee := uint32(relayInfo.BaseFee) + // We can safely reuse buf here because we overwrite its // contents. - return tlv.ETUint32(w, &relayInfo.BaseFee, buf) + return tlv.ETUint32(w, &baseFee, buf) } return tlv.NewTypeForEncodingErr(val, "**hop.PaymentRelayInfo") @@ -333,7 +335,15 @@ func decodePaymentRelay(r io.Reader, val interface{}, buf *[8]byte, // is okay. b := bytes.NewBuffer(scratch[6:]) - return tlv.DTUint32(b, &relayInfo.BaseFee, buf, l-6) + var baseFee uint32 + err = tlv.DTUint32(b, &baseFee, buf, l-6) + if err != nil { + return err + } + + relayInfo.BaseFee = lnwire.MilliSatoshi(baseFee) + + return nil } return tlv.NewTypeForDecodingErr(val, "*hop.paymentRelayInfo", l, 10) diff --git a/record/blinded_data_test.go b/record/blinded_data_test.go index 6de97e4979..604d5a7fb1 100644 --- a/record/blinded_data_test.go +++ b/record/blinded_data_test.go @@ -37,7 +37,7 @@ func TestBlindedDataEncoding(t *testing.T) { tests := []struct { name string - baseFee uint32 + baseFee lnwire.MilliSatoshi htlcMin lnwire.MilliSatoshi features *lnwire.FeatureVector constraints bool From f87cc6274f9e0209e1aa8ab8dfbe45ec5d3f2d06 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sat, 4 May 2024 10:37:41 +0200 Subject: [PATCH 153/343] lnrpc/invoicesrpc: add function for padding encrypted data This commit adds a helper function called `padHopInfo` along with a test for it. This function will be used later on when building a blinded path. It is used to ensure that all encrypted blobs of a blinded path that we construct are padded to the same size. --- lnrpc/invoicesrpc/addinvoice.go | 142 +++++++++++ lnrpc/invoicesrpc/addinvoice_test.go | 339 ++++++++++++++++++++++++++- 2 files changed, 471 insertions(+), 10 deletions(-) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index b85feefb65..7896fcd340 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -15,6 +15,7 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/wire" + sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/invoices" @@ -22,7 +23,9 @@ import ( "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/netann" + "github.com/lightningnetwork/lnd/record" "github.com/lightningnetwork/lnd/routing" + "github.com/lightningnetwork/lnd/tlv" "github.com/lightningnetwork/lnd/zpay32" ) @@ -837,3 +840,142 @@ func PopulateHopHints(cfg *SelectHopHintsCfg, amtMSat lnwire.MilliSatoshi, hopHints = append(hopHints, selectedHints...) return hopHints, nil } + +// hopData packages the record.BlindedRouteData for a hop on a blinded path with +// the real node ID of that hop. +type hopData struct { + data *record.BlindedRouteData + nodeID *btcec.PublicKey +} + +// padStats can be used to keep track of various pieces of data that we collect +// during a call to padHopInfo. This is useful for logging and for test +// assertions. +type padStats struct { + minPayloadSize int + maxPayloadSize int + finalPaddedSize int + numIterations int +} + +// padHopInfo iterates over a set of record.BlindedRouteData and adds padding +// where needed until the resulting encrypted data blobs are all the same size. +// This may take a few iterations due to the fact that a TLV field is used to +// add this padding. For example, if we want to add a 1 byte padding to a +// record.BlindedRouteData when it does not yet have any padding, then adding +// a 1 byte padding will actually add 3 bytes due to the bytes required when +// adding the initial type and length bytes. However, on the next iteration if +// we again add just 1 byte, then only a single byte will be added. The same +// iteration is required for padding values on the BigSize encoding bucket +// edges. The number of iterations that this function takes is also returned for +// testing purposes. If prePad is true, then zero byte padding is added to each +// payload that does not yet have padding. This will save some iterations for +// the majority of cases. +func padHopInfo(hopInfo []*hopData, prePad bool) ([]*sphinx.HopInfo, *padStats, + error) { + + var ( + paymentPath = make([]*sphinx.HopInfo, len(hopInfo)) + stats padStats + ) + + // Pre-pad each payload with zero byte padding (if it does not yet have + // padding) to save a couple of iterations in the majority of cases. + if prePad { + for _, info := range hopInfo { + if info.data.Padding.IsSome() { + continue + } + + info.data.PadBy(0) + } + } + + for { + stats.numIterations++ + + // On each iteration of the loop, we first determine the + // current largest encoded data blob size. This will be the + // size we aim to get the others to match. + var ( + maxLen int + minLen = math.MaxInt8 + ) + for i, hop := range hopInfo { + plainText, err := record.EncodeBlindedRouteData( + hop.data, + ) + if err != nil { + return nil, nil, err + } + + if len(plainText) > maxLen { + maxLen = len(plainText) + + // Update the stats to take note of this new + // max since this may be the final max that all + // payloads will be padded to. + stats.finalPaddedSize = maxLen + } + if len(plainText) < minLen { + minLen = len(plainText) + } + + paymentPath[i] = &sphinx.HopInfo{ + NodePub: hop.nodeID, + PlainText: plainText, + } + } + + // If this is our first iteration, then we take note of the min + // and max lengths of the payloads pre-padding for logging + // later. + if stats.numIterations == 1 { + stats.minPayloadSize = minLen + stats.maxPayloadSize = maxLen + } + + // Now we iterate over them again and determine which ones we + // need to add padding to. + var numEqual int + for i, hop := range hopInfo { + plainText := paymentPath[i].PlainText + + // If the plaintext length is equal to the desired + // length, then we can continue. We use numEqual to + // keep track of how many have the same length. + if len(plainText) == maxLen { + numEqual++ + + continue + } + + // If we previously added padding to this hop, we keep + // the length of that initial padding too. + var existingPadding int + hop.data.Padding.WhenSome( + func(p tlv.RecordT[tlv.TlvType1, []byte]) { + existingPadding = len(p.Val) + }, + ) + + // Add some padding bytes to the hop. + hop.data.PadBy( + existingPadding + maxLen - len(plainText), + ) + } + + // If all the payloads have the same length, we can exit the + // loop. + if numEqual == len(hopInfo) { + break + } + } + + log.Debugf("Finished padding %d blinded path payloads to %d bytes "+ + "each where the pre-padded min and max sizes were %d and %d "+ + "bytes respectively", len(hopInfo), stats.finalPaddedSize, + stats.minPayloadSize, stats.maxPayloadSize) + + return paymentPath, &stats, nil +} diff --git a/lnrpc/invoicesrpc/addinvoice_test.go b/lnrpc/invoicesrpc/addinvoice_test.go index a384fd959e..76775508bc 100644 --- a/lnrpc/invoicesrpc/addinvoice_test.go +++ b/lnrpc/invoicesrpc/addinvoice_test.go @@ -3,18 +3,33 @@ package invoicesrpc import ( "encoding/hex" "fmt" + "math/rand" + "reflect" "testing" + "testing/quick" "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/record" + "github.com/lightningnetwork/lnd/tlv" "github.com/lightningnetwork/lnd/zpay32" "github.com/stretchr/testify/mock" "github.com/stretchr/testify/require" ) +var ( + pubkeyBytes, _ = hex.DecodeString( + "598ec453728e0ffe0ae2f5e174243cf58f2" + + "a3f2c83d2457b43036db568b11093", + ) + pubKeyY = new(btcec.FieldVal) + _ = pubKeyY.SetByteSlice(pubkeyBytes) + pubkey = btcec.NewPublicKey(new(btcec.FieldVal).SetInt(4), pubKeyY) +) + type hopHintsConfigMock struct { t *testing.T mock.Mock @@ -84,16 +99,6 @@ func (h *hopHintsConfigMock) FetchChannelEdgesByID(chanID uint64) ( // getTestPubKey returns a valid parsed pub key to be used in our tests. func getTestPubKey() *btcec.PublicKey { - pubkeyBytes, _ := hex.DecodeString( - "598ec453728e0ffe0ae2f5e174243cf58f2" + - "a3f2c83d2457b43036db568b11093", - ) - pubKeyY := new(btcec.FieldVal) - _ = pubKeyY.SetByteSlice(pubkeyBytes) - pubkey := btcec.NewPublicKey( - new(btcec.FieldVal).SetInt(4), - pubKeyY, - ) return pubkey } @@ -896,3 +901,317 @@ func TestPopulateHopHints(t *testing.T) { }) } } + +// TestPadBlindedHopInfo asserts that the padding of blinded hop data is done +// correctly and that it takes the expected number of iterations. +func TestPadBlindedHopInfo(t *testing.T) { + tests := []struct { + name string + expectedIterations int + expectedFinalSize int + + // We will use the pathID field of BlindedRouteData to set an + // initial payload size. The ints in this list represent the + // size of each pathID. + pathIDs []int + + // existingPadding is a map from entry index (based on the + // pathIDs set) to the number of pre-existing padding bytes to + // add. + existingPadding map[int]int + + // prePad is true if all the hop payloads should be pre-padded + // with a zero length TLV Padding field. + prePad bool + }{ + { + // If there is only one entry, then no padding is + // expected. + name: "single entry", + expectedIterations: 1, + pathIDs: []int{10}, + + // The final size will be 12 since the path ID is 10 + // bytes, and it will be prefixed by type and value + // bytes. + expectedFinalSize: 12, + }, + { + // All the payloads are the same size from the get go + // meaning that no padding is expected. + name: "all start equal", + expectedIterations: 1, + pathIDs: []int{10, 10, 10}, + + // The final size will be 12 since the path ID is 10 + // bytes, and it will be prefixed by type and value + // bytes. + expectedFinalSize: 12, + }, + { + // If the blobs differ by 1 byte it will take 4 + // iterations: + // 1) padding of 1 is added to entry 2 which will + // increase its size by 3 bytes since padding does + // not yet exist for it. + // 2) Now entry 1 will be short 2 bytes. It will be + // padded by 2 bytes but again since it is a new + // padding field, 4 bytes are added. + // 3) Finally, entry 2 is padded by 1 extra. Since it + // already does have a padding field, this does end + // up adding only 1 extra byte. + // 4) The fourth iteration determines that all are now + // the same size. + name: "differ by 1 - no pre-padding", + expectedIterations: 4, + pathIDs: []int{4, 3}, + expectedFinalSize: 10, + }, + { + // By pre-padding the payloads with a zero byte padding, + // we can reduce the number of iterations quite a bit. + name: "differ by 1 - with pre-padding", + expectedIterations: 2, + pathIDs: []int{4, 3}, + expectedFinalSize: 8, + prePad: true, + }, + { + name: "existing padding and diff of 1", + expectedIterations: 2, + pathIDs: []int{10, 11}, + + // By adding some existing padding, the type and length + // field for the padding are already accounted for in + // the first iteration, and so we only expect two + // iterations to get the payloads to match size here: + // one for adding a single extra byte to the smaller + // payload and another for confirming the sizes match. + existingPadding: map[int]int{0: 1, 1: 1}, + expectedFinalSize: 16, + }, + { + // In this test, we test a BigSize bucket shift. We do + // this by setting the initial path ID's of both entries + // to a 0 size which means the total encoding of those + // will be 2 bytes (to encode the type and length). Then + // for the initial padding, we let the first entry be + // 253 bytes long which is just long enough to be in + // the second BigSize bucket which uses 3 bytes to + // encode the value length. We make the second entry + // 252 bytes which still puts it in the first bucket + // which uses 1 byte for the length. The difference in + // overall packet size will be 3 bytes (the first entry + // has 2 more length bytes and 1 more value byte). So + // the function will try to pad the second entry by 3 + // bytes (iteration 1). This will however result in the + // second entry shifting to the second BigSize bucket + // meaning it will gain an additional 2 bytes for the + // new length encoding meaning that overall it gains 5 + // bytes in size. This will result in another iteration + // which will result in padding the first entry with an + // extra 2 bytes to meet the second entry's new size + // (iteration 2). One more iteration (3) is then done + // to confirm that all entries are now the same size. + name: "big size bucket shift", + expectedIterations: 3, + + // We make the path IDs large enough so that + pathIDs: []int{0, 0}, + existingPadding: map[int]int{0: 253, 1: 252}, + expectedFinalSize: 261, + }, + } + + for _, test := range tests { + test := test + t.Run(test.name, func(t *testing.T) { + t.Parallel() + + // If the test includes existing padding, then make sure + // that the number of existing padding entries is equal + // to the number of pathID entries. + if test.existingPadding != nil { + require.Len(t, test.existingPadding, + len(test.pathIDs)) + } + + hopDataSet := make([]*hopData, len(test.pathIDs)) + for i, l := range test.pathIDs { + pathID := tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType6]( + make([]byte, l), + ), + ) + data := &record.BlindedRouteData{ + PathID: pathID, + } + + if test.existingPadding != nil { + //nolint:lll + padding := tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType1]( + make([]byte, test.existingPadding[i]), + ), + ) + + data.Padding = padding + } + + hopDataSet[i] = &hopData{data: data} + } + + hopInfo, stats, err := padHopInfo( + hopDataSet, test.prePad, + ) + require.NoError(t, err) + require.Equal(t, test.expectedIterations, + stats.numIterations) + require.Equal(t, test.expectedFinalSize, + stats.finalPaddedSize) + + // We expect all resulting blobs to be the same size. + for _, info := range hopInfo { + require.Len( + t, info.PlainText, + test.expectedFinalSize, + ) + } + }) + } +} + +// TestPadBlindedHopInfoBlackBox tests the padHopInfo function via the +// quick.Check testing function. It generates a random set of hopData and +// asserts that the resulting padded set always has the same encoded length. +func TestPadBlindedHopInfoBlackBox(t *testing.T) { + fn := func(data hopDataList) bool { + resultList, _, err := padHopInfo(data, true) + require.NoError(t, err) + + // There should be a resulting sphinx.HopInfo struct for each + // hopData passed to the padHopInfo function. + if len(resultList) != len(data) { + return false + } + + // There is nothing left to check if input set was empty to + // start with. + if len(data) == 0 { + return true + } + + // Now, assert that the encoded size of each item is the same. + // Get the size of the first item as a base point. + payloadSize := len(resultList[0].PlainText) + + // All the other entries should have the same encoded size. + for i := 1; i < len(resultList); i++ { + if len(resultList[i].PlainText) != payloadSize { + return false + } + } + + return true + } + + require.NoError(t, quick.Check(fn, nil)) +} + +type hopDataList []*hopData + +// Generate returns a random instance of the hopDataList type. +// +// NOTE: this is part of the quick.Generate interface. +func (h hopDataList) Generate(rand *rand.Rand, size int) reflect.Value { + data := make(hopDataList, rand.Intn(size)) + for i := 0; i < len(data); i++ { + data[i] = &hopData{ + data: genBlindedRouteData(rand), + nodeID: pubkey, + } + } + + return reflect.ValueOf(data) +} + +// A compile-time check to ensure that hopDataList implements the +// quick.Generator interface. +var _ quick.Generator = (*hopDataList)(nil) + +// sometimesDo calls the given function with a 50% probability. +func sometimesDo(fn func(), rand *rand.Rand) { + if rand.Intn(1) == 0 { + return + } + + fn() +} + +// genBlindedRouteData generates a random record.BlindedRouteData object. +func genBlindedRouteData(rand *rand.Rand) *record.BlindedRouteData { + var data record.BlindedRouteData + + sometimesDo(func() { + data.Padding = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType1]( + make([]byte, rand.Intn(1000000)), + ), + ) + }, rand) + + sometimesDo(func() { + data.ShortChannelID = tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType2](lnwire.ShortChannelID{ + BlockHeight: rand.Uint32(), + TxIndex: rand.Uint32(), + TxPosition: uint16(rand.Uint32()), + }), + ) + }, rand) + + sometimesDo(func() { + data.NextNodeID = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType4](pubkey), + ) + }, rand) + + sometimesDo(func() { + data.PathID = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType6]( + make([]byte, rand.Intn(100)), + ), + ) + }, rand) + + sometimesDo(func() { + data.NextBlindingOverride = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType8](pubkey), + ) + }, rand) + + sometimesDo(func() { + data.RelayInfo = tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType10](record.PaymentRelayInfo{ + CltvExpiryDelta: uint16(rand.Uint32()), + FeeRate: rand.Uint32(), + BaseFee: lnwire.MilliSatoshi( + rand.Uint32(), + ), + }), + ) + }, rand) + + sometimesDo(func() { + data.Constraints = tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType12](record.PaymentConstraints{ + MaxCltvExpiry: rand.Uint32(), + HtlcMinimumMsat: lnwire.MilliSatoshi( + rand.Uint32(), + ), + }), + ) + }, rand) + + return &data +} From 3b2a6042ff49e83dd550c7770ff86359e656f30e Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sat, 4 May 2024 10:43:03 +0200 Subject: [PATCH 154/343] lnrpc/invoicesrpc: blinded path total path policy calc This commit adds a function that can be used to compute the accumulated path policy for a blinded path as defined in the spec: https://github.com/lightning/bolts/blob/db278ab9b2baa0b30cfe79fb3de39280595938d3/04-onion-routing.md?plain=1#L255 --- lnrpc/invoicesrpc/addinvoice.go | 57 ++++++++++++++++++++++++++++ lnrpc/invoicesrpc/addinvoice_test.go | 34 +++++++++++++++++ 2 files changed, 91 insertions(+) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 7896fcd340..6c278701c9 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -46,6 +46,9 @@ const ( // maxHopHints is the maximum number of hint paths that will be included // in an invoice. maxHopHints = 20 + + // oneMillion is a constant used frequently in fee rate calculations. + oneMillion = uint32(1_000_000) ) // AddInvoiceConfig contains dependencies for invoice creation. @@ -841,6 +844,60 @@ func PopulateHopHints(cfg *SelectHopHintsCfg, amtMSat lnwire.MilliSatoshi, return hopHints, nil } +// calcBlindedPathPolicies computes the accumulated policy values for the path. +// These values include the total base fee, the total proportional fee and the +// total CLTV delta. This function assumes that all the passed relay infos have +// already been adjusted with a buffer to account for easy probing attacks. +func calcBlindedPathPolicies(relayInfo []*record.PaymentRelayInfo, + ourMinFinalCLTVDelta uint16) (lnwire.MilliSatoshi, uint32, uint16) { + + var ( + totalFeeBase lnwire.MilliSatoshi + totalFeeProp uint32 + totalCLTV = ourMinFinalCLTVDelta + ) + // Use the algorithms defined in BOLT 4 to calculate the accumulated + // relay fees for the route: + //nolint:lll + // https://github.com/lightning/bolts/blob/db278ab9b2baa0b30cfe79fb3de39280595938d3/04-onion-routing.md?plain=1#L255 + for i := len(relayInfo) - 1; i >= 0; i-- { + info := relayInfo[i] + + totalFeeBase = calcNextTotalBaseFee( + totalFeeBase, info.BaseFee, info.FeeRate, + ) + + totalFeeProp = calcNextTotalFeeRate(totalFeeProp, info.FeeRate) + + totalCLTV += info.CltvExpiryDelta + } + + return totalFeeBase, totalFeeProp, totalCLTV +} + +// calcNextTotalBaseFee takes the current total accumulated base fee of a +// blinded path at hop `n` along with the fee rate and base fee of the hop at +// `n-1` and uses these to calculate the accumulated base fee at hop `n-1`. +func calcNextTotalBaseFee(currentTotal, hopBaseFee lnwire.MilliSatoshi, + hopFeeRate uint32) lnwire.MilliSatoshi { + + numerator := (uint32(hopBaseFee) * oneMillion) + + (uint32(currentTotal) * (oneMillion + hopFeeRate)) + + oneMillion - 1 + + return lnwire.MilliSatoshi(numerator / oneMillion) +} + +// calculateNextTotalFeeRate takes the current total accumulated fee rate of a +// blinded path at hop `n` along with the fee rate of the hop at `n-1` and uses +// these to calculate the accumulated fee rate at hop `n-1`. +func calcNextTotalFeeRate(currentTotal, hopFeeRate uint32) uint32 { + numerator := (currentTotal+hopFeeRate)*oneMillion + + currentTotal*hopFeeRate + oneMillion - 1 + + return numerator / oneMillion +} + // hopData packages the record.BlindedRouteData for a hop on a blinded path with // the real node ID of that hop. type hopData struct { diff --git a/lnrpc/invoicesrpc/addinvoice_test.go b/lnrpc/invoicesrpc/addinvoice_test.go index 76775508bc..15c3ec6772 100644 --- a/lnrpc/invoicesrpc/addinvoice_test.go +++ b/lnrpc/invoicesrpc/addinvoice_test.go @@ -902,6 +902,40 @@ func TestPopulateHopHints(t *testing.T) { } } +// TestBlindedPathAccumulatedPolicyCalc tests the logic for calculating the +// accumulated routing policies of a blinded route against an example mentioned +// in the spec document: +// https://github.com/lightning/bolts/blob/master/proposals/route-blinding.md +func TestBlindedPathAccumulatedPolicyCalc(t *testing.T) { + t.Parallel() + + // In the spec example, the blinded route is: + // Carol -> Bob -> Alice + // And Alice chooses the following buffered policy for both the C->B + // and B->A edges. + nodePolicy := &record.PaymentRelayInfo{ + FeeRate: 500, + BaseFee: 100, + CltvExpiryDelta: 144, + } + + hopPolicies := []*record.PaymentRelayInfo{ + nodePolicy, + nodePolicy, + } + + // Alice's minimum final expiry delta is chosen to be 12. + aliceMinFinalExpDelta := uint16(12) + + totalBase, totalRate, totalCLTVDelta := calcBlindedPathPolicies( + hopPolicies, aliceMinFinalExpDelta, + ) + + require.Equal(t, lnwire.MilliSatoshi(201), totalBase) + require.EqualValues(t, 1001, totalRate) + require.EqualValues(t, 300, totalCLTVDelta) +} + // TestPadBlindedHopInfo asserts that the padding of blinded hop data is done // correctly and that it takes the expected number of iterations. func TestPadBlindedHopInfo(t *testing.T) { From 0855e3e71a94688e082a642a6ccbe6a3bb22dda0 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sat, 4 May 2024 11:11:35 +0200 Subject: [PATCH 155/343] lnrpc/invoicesrpc: add blinded path policy buffer This commit adds a helper function that will be used to adjust a hops policy values by certain given increase and decrease multipliers. This will be used in blinded paths to give policy values some buffer to avoid easy probing of blinded paths. --- lnrpc/invoicesrpc/addinvoice.go | 71 +++++++++++++ lnrpc/invoicesrpc/addinvoice_test.go | 153 +++++++++++++++++++++++++++ 2 files changed, 224 insertions(+) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 6c278701c9..4d3d451afa 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -844,6 +844,77 @@ func PopulateHopHints(cfg *SelectHopHintsCfg, amtMSat lnwire.MilliSatoshi, return hopHints, nil } +// blindedHopPolicy holds the set of relay policy values to use for a channel +// in a blinded path. +type blindedHopPolicy struct { + cltvExpiryDelta uint16 + feeRate uint32 + baseFee lnwire.MilliSatoshi + minHTLCMsat lnwire.MilliSatoshi + maxHTLCMsat lnwire.MilliSatoshi +} + +// addPolicyBuffer constructs the bufferedChanPolicies for a path hop by taking +// its actual policy values and multiplying them by the given multipliers. +// The base fee, fee rate and minimum HTLC msat values are adjusted via the +// incMultiplier while the maximum HTLC msat value is adjusted via the +// decMultiplier. If adjustments of the HTLC values no longer make sense +// then the original HTLC value is used. +func addPolicyBuffer(policy *blindedHopPolicy, incMultiplier, + decMultiplier float64) (*blindedHopPolicy, error) { + + if incMultiplier < 1 { + return nil, fmt.Errorf("blinded path policy increase " + + "multiplier must be greater than or equal to 1") + } + + if decMultiplier < 0 || decMultiplier > 1 { + return nil, fmt.Errorf("blinded path policy decrease " + + "multiplier must be in the range [0;1]") + } + + var ( + minHTLCMsat = lnwire.MilliSatoshi( + float64(policy.minHTLCMsat) * incMultiplier, + ) + maxHTLCMsat = lnwire.MilliSatoshi( + float64(policy.maxHTLCMsat) * decMultiplier, + ) + ) + + // Make sure the new minimum is not more than the original maximum. + // If it is, then just stick to the original minimum. + if minHTLCMsat > policy.maxHTLCMsat { + minHTLCMsat = policy.minHTLCMsat + } + + // Make sure the new maximum is not less than the original minimum. + // If it is, then just stick to the original maximum. + if maxHTLCMsat < policy.minHTLCMsat { + maxHTLCMsat = policy.maxHTLCMsat + } + + // Also ensure that the new htlc bounds make sense. If the new minimum + // is greater than the new maximum, then just let both to their original + // values. + if minHTLCMsat > maxHTLCMsat { + minHTLCMsat = policy.minHTLCMsat + maxHTLCMsat = policy.maxHTLCMsat + } + + return &blindedHopPolicy{ + cltvExpiryDelta: uint16( + float64(policy.cltvExpiryDelta) * incMultiplier, + ), + feeRate: uint32(float64(policy.feeRate) * incMultiplier), + baseFee: lnwire.MilliSatoshi( + float64(policy.baseFee) * incMultiplier, + ), + minHTLCMsat: minHTLCMsat, + maxHTLCMsat: maxHTLCMsat, + }, nil +} + // calcBlindedPathPolicies computes the accumulated policy values for the path. // These values include the total base fee, the total proportional fee and the // total CLTV delta. This function assumes that all the passed relay infos have diff --git a/lnrpc/invoicesrpc/addinvoice_test.go b/lnrpc/invoicesrpc/addinvoice_test.go index 15c3ec6772..bd83d53d24 100644 --- a/lnrpc/invoicesrpc/addinvoice_test.go +++ b/lnrpc/invoicesrpc/addinvoice_test.go @@ -902,6 +902,159 @@ func TestPopulateHopHints(t *testing.T) { } } +// TestApplyBlindedPathPolicyBuffer tests blinded policy adjustments. +func TestApplyBlindedPathPolicyBuffer(t *testing.T) { + tests := []struct { + name string + policyIn *blindedHopPolicy + expectedOut *blindedHopPolicy + incMultiplier float64 + decMultiplier float64 + expectedError string + }{ + { + name: "invalid increase multiplier", + incMultiplier: 0, + expectedError: "blinded path policy increase " + + "multiplier must be greater than or equal to 1", + }, + { + name: "decrease multiplier too small", + incMultiplier: 1, + decMultiplier: -1, + expectedError: "blinded path policy decrease " + + "multiplier must be in the range [0;1]", + }, + { + name: "decrease multiplier too big", + incMultiplier: 1, + decMultiplier: 2, + expectedError: "blinded path policy decrease " + + "multiplier must be in the range [0;1]", + }, + { + name: "no change", + incMultiplier: 1, + decMultiplier: 1, + policyIn: &blindedHopPolicy{ + cltvExpiryDelta: 1, + minHTLCMsat: 2, + maxHTLCMsat: 3, + baseFee: 4, + feeRate: 5, + }, + expectedOut: &blindedHopPolicy{ + cltvExpiryDelta: 1, + minHTLCMsat: 2, + maxHTLCMsat: 3, + baseFee: 4, + feeRate: 5, + }, + }, + { + name: "buffer up by 100% and down by and down " + + "by 50%", + incMultiplier: 2, + decMultiplier: 0.5, + policyIn: &blindedHopPolicy{ + cltvExpiryDelta: 10, + minHTLCMsat: 20, + maxHTLCMsat: 300, + baseFee: 40, + feeRate: 50, + }, + expectedOut: &blindedHopPolicy{ + cltvExpiryDelta: 20, + minHTLCMsat: 40, + maxHTLCMsat: 150, + baseFee: 80, + feeRate: 100, + }, + }, + { + name: "new HTLC minimum larger than OG " + + "maximum", + incMultiplier: 2, + decMultiplier: 1, + policyIn: &blindedHopPolicy{ + cltvExpiryDelta: 10, + minHTLCMsat: 20, + maxHTLCMsat: 30, + baseFee: 40, + feeRate: 50, + }, + expectedOut: &blindedHopPolicy{ + cltvExpiryDelta: 20, + minHTLCMsat: 20, + maxHTLCMsat: 30, + baseFee: 80, + feeRate: 100, + }, + }, + { + name: "new HTLC maximum smaller than OG " + + "minimum", + incMultiplier: 1, + decMultiplier: 0.5, + policyIn: &blindedHopPolicy{ + cltvExpiryDelta: 10, + minHTLCMsat: 20, + maxHTLCMsat: 30, + baseFee: 40, + feeRate: 50, + }, + expectedOut: &blindedHopPolicy{ + cltvExpiryDelta: 10, + minHTLCMsat: 20, + maxHTLCMsat: 30, + baseFee: 40, + feeRate: 50, + }, + }, + { + name: "new HTLC minimum and maximums are not " + + "compatible", + incMultiplier: 2, + decMultiplier: 0.5, + policyIn: &blindedHopPolicy{ + cltvExpiryDelta: 10, + minHTLCMsat: 30, + maxHTLCMsat: 100, + baseFee: 40, + feeRate: 50, + }, + expectedOut: &blindedHopPolicy{ + cltvExpiryDelta: 20, + minHTLCMsat: 30, + maxHTLCMsat: 100, + baseFee: 80, + feeRate: 100, + }, + }, + } + + for _, test := range tests { + test := test + t.Run(test.name, func(t *testing.T) { + t.Parallel() + + bufferedPolicy, err := addPolicyBuffer( + test.policyIn, test.incMultiplier, + test.decMultiplier, + ) + if test.expectedError != "" { + require.ErrorContains( + t, err, test.expectedError, + ) + + return + } + + require.Equal(t, test.expectedOut, bufferedPolicy) + }) + } +} + // TestBlindedPathAccumulatedPolicyCalc tests the logic for calculating the // accumulated routing policies of a blinded route against an example mentioned // in the spec document: From 4b5327f0574a5d96e2ca4401cdd674c3029d8e4c Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 4 Jul 2024 16:40:54 +0200 Subject: [PATCH 156/343] lnrpc/invoicesrpc: build blinded path This commit adds all the logic for building a blinded path (from a given route) and packaging it up in a zpay32.BlindedPaymentPath struct so that it is ready for adding to an invoice. It also includes logic for padding a path with dummy hops. Note that in this commit, the logic for choosing an actual path to us that can then be used in a blinded path is abstracted away. This logic will be fleshed out in a future commit. --- lnrpc/invoicesrpc/addinvoice.go | 553 +++++++++++++++++++++++++++ lnrpc/invoicesrpc/addinvoice_test.go | 452 ++++++++++++++++++++++ 2 files changed, 1005 insertions(+) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 4d3d451afa..28276c0076 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -8,6 +8,7 @@ import ( "fmt" "math" mathRand "math/rand" + "slices" "sort" "time" @@ -25,6 +26,7 @@ import ( "github.com/lightningnetwork/lnd/netann" "github.com/lightningnetwork/lnd/record" "github.com/lightningnetwork/lnd/routing" + "github.com/lightningnetwork/lnd/routing/route" "github.com/lightningnetwork/lnd/tlv" "github.com/lightningnetwork/lnd/zpay32" ) @@ -51,6 +53,11 @@ const ( oneMillion = uint32(1_000_000) ) +// errInvalidBlindedPath indicates that the chosen real path is not usable as +// a blinded path. +var errInvalidBlindedPath = errors.New("the chosen path results in an " + + "unusable blinded path") + // AddInvoiceConfig contains dependencies for invoice creation. type AddInvoiceConfig struct { // AddInvoice is called to add the invoice to the registry. @@ -844,6 +851,552 @@ func PopulateHopHints(cfg *SelectHopHintsCfg, amtMSat lnwire.MilliSatoshi, return hopHints, nil } +// buildBlindedPathCfg defines the various resources and configuration values +// required to build a blinded payment path to this node. +type buildBlindedPathCfg struct { + // findRoutes returns a set of routes to us that can be used for the + // construction of blinded paths. These routes will consist of real + // nodes advertising the route blinding feature bit. They may be of + // various lengths and may even contain only a single hop. Any route + // shorter than minNumHops will be padded with dummy hops during route + // construction. + findRoutes func(value lnwire.MilliSatoshi) ([]*route.Route, error) + + // fetchChannelEdgesByID attempts to look up the two directed edges for + // the channel identified by the channel ID. + fetchChannelEdgesByID func(chanID uint64) (*models.ChannelEdgeInfo, + *models.ChannelEdgePolicy, *models.ChannelEdgePolicy, error) + + // bestHeight can be used to fetch the best block height that this node + // is aware of. + bestHeight func() (uint32, error) + + // addPolicyBuffer is a function that can be used to alter the policy + // values of the given channel edge. The main reason for doing this is + // to add a safety buffer so that if the node makes small policy changes + // during the lifetime of the blinded path, then the path remains valid + // and so probing is more difficult. Note that this will only be called + // for the policies of real nodes and won't be applied to + // dummyHopPolicy. + addPolicyBuffer func(policy *blindedHopPolicy) (*blindedHopPolicy, + error) + + // pathID is the secret data to embed in the blinded path data that we + // will receive back as the recipient. This is the equivalent of the + // payment address used in normal payments. It lets the recipient check + // that the path is being used in the correct context. + pathID []byte + + // valueMsat is the payment amount in milli-satoshis that must be + // routed. This will be used for selecting appropriate routes to use for + // the blinded path. + valueMsat lnwire.MilliSatoshi + + // minFinalCLTVExpiryDelta is the minimum CLTV delta that the recipient + // requires for the final hop of the payment. + // + // NOTE that the caller is responsible for adding additional block + // padding to this value to account for blocks being mined while the + // payment is in-flight. + minFinalCLTVExpiryDelta uint32 + + // blocksUntilExpiry is the number of blocks that this blinded path + // should remain valid for. + blocksUntilExpiry uint32 + + // minNumHops is the minimum number of hops that each blinded path + // should be. If the number of hops in a path returned by findRoutes is + // less than this number, then dummy hops will be post-fixed to the + // route. + minNumHops uint8 + + // dummyHopPolicy holds the policy values that should be used for dummy + // hops. Note that these will _not_ be buffered via addPolicyBuffer. + dummyHopPolicy *blindedHopPolicy +} + +// buildBlindedPaymentPaths uses the passed config to construct a set of blinded +// payment paths that can be added to the invoice. +func buildBlindedPaymentPaths(cfg *buildBlindedPathCfg) ( + []*zpay32.BlindedPaymentPath, error) { + + if cfg.minFinalCLTVExpiryDelta >= cfg.blocksUntilExpiry { + return nil, fmt.Errorf("blinded path CLTV expiry delta (%d) "+ + "must be greater than the minimum final CLTV expiry "+ + "delta (%d)", cfg.blocksUntilExpiry, + cfg.minFinalCLTVExpiryDelta) + } + + // Find some appropriate routes for the value to be routed. This will + // return a set of routes made up of real nodes. + routes, err := cfg.findRoutes(cfg.valueMsat) + if err != nil { + return nil, err + } + + if len(routes) == 0 { + return nil, fmt.Errorf("could not find any routes to self to " + + "use for blinded route construction") + } + + // Not every route returned will necessarily result in a usable blinded + // path and so the number of paths returned might be less than the + // number of real routes returned by findRoutes above. + paths := make([]*zpay32.BlindedPaymentPath, 0, len(routes)) + + // For each route returned, we will construct the associated blinded + // payment path. + for _, route := range routes { + path, err := buildBlindedPaymentPath( + cfg, extractCandidatePath(route), + ) + if errors.Is(err, errInvalidBlindedPath) { + log.Debugf("Not using route (%s) as a blinded path "+ + "since it resulted in an invalid blinded path", + route) + + continue + } + + if err != nil { + return nil, err + } + + paths = append(paths, path) + } + + if len(paths) == 0 { + return nil, fmt.Errorf("could not build any blinded paths") + } + + return paths, nil +} + +// buildBlindedPaymentPath takes a route from an introduction node to this node +// and uses the given config to convert it into a blinded payment path. +func buildBlindedPaymentPath(cfg *buildBlindedPathCfg, path *candidatePath) ( + *zpay32.BlindedPaymentPath, error) { + + // Pad the given route with dummy hops until the minimum number of hops + // is met. + err := path.padWithDummyHops(cfg.minNumHops) + if err != nil { + return nil, err + } + + hops, minHTLC, maxHTLC, err := collectRelayInfo(cfg, path) + if err != nil { + return nil, fmt.Errorf("could not collect blinded path relay "+ + "info: %w", err) + } + + relayInfo := make([]*record.PaymentRelayInfo, len(hops)) + for i, hop := range hops { + relayInfo[i] = hop.relayInfo + } + + // Using the collected relay info, we can calculate the aggregated + // policy values for the route. + baseFee, feeRate, cltvDelta := calcBlindedPathPolicies( + relayInfo, uint16(cfg.minFinalCLTVExpiryDelta), + ) + + currentHeight, err := cfg.bestHeight() + if err != nil { + return nil, err + } + + // The next step is to calculate the payment constraints to communicate + // to each hop and to package up the hop info for each hop. We will + // handle the final hop first since its payload looks a bit different, + // and then we will iterate backwards through the remaining hops. + // + // Note that the +1 here is required because the route won't have the + // introduction node included in the "Hops". But since we want to create + // payloads for all the hops as well as the introduction node, we add 1 + // here to get the full hop length along with the introduction node. + hopDataSet := make([]*hopData, 0, len(path.hops)+1) + + // Determine the maximum CLTV expiry for the destination node. + cltvExpiry := currentHeight + cfg.blocksUntilExpiry + + cfg.minFinalCLTVExpiryDelta + + constraints := &record.PaymentConstraints{ + MaxCltvExpiry: cltvExpiry, + HtlcMinimumMsat: minHTLC, + } + + // If the blinded route has only a source node (introduction node) and + // no hops, then the destination node is also the source node. + finalHopPubKey := path.introNode + if len(path.hops) > 0 { + finalHopPubKey = path.hops[len(path.hops)-1].pubKey + } + + // For the final hop, we only send it the path ID and payment + // constraints. + info, err := buildFinalHopRouteData( + finalHopPubKey, cfg.pathID, constraints, + ) + if err != nil { + return nil, err + } + + hopDataSet = append(hopDataSet, info) + + // Iterate through the remaining (non-final) hops, back to front. + for i := len(hops) - 1; i >= 0; i-- { + hop := hops[i] + + cltvExpiry += uint32(hop.relayInfo.CltvExpiryDelta) + + constraints = &record.PaymentConstraints{ + MaxCltvExpiry: cltvExpiry, + HtlcMinimumMsat: minHTLC, + } + + var info *hopData + if hop.nextHopIsDummy { + info, err = buildDummyRouteData( + hop.hopPubKey, hop.relayInfo, constraints, + ) + } else { + info, err = buildHopRouteData( + hop.hopPubKey, hop.nextSCID, hop.relayInfo, + constraints, + ) + } + if err != nil { + return nil, err + } + + hopDataSet = append(hopDataSet, info) + } + + // Sort the hop info list in reverse order so that the data for the + // introduction node is first. + slices.Reverse(hopDataSet) + + // Add padding to each route data instance until the encrypted data + // blobs are all the same size. + paymentPath, _, err := padHopInfo(hopDataSet, true) + if err != nil { + return nil, err + } + + // Derive an ephemeral session key. + sessionKey, err := btcec.NewPrivateKey() + if err != nil { + return nil, err + } + + // Encrypt the hop info. + blindedPath, err := sphinx.BuildBlindedPath(sessionKey, paymentPath) + if err != nil { + return nil, err + } + + if len(blindedPath.BlindedHops) < 1 { + return nil, fmt.Errorf("blinded path must have at least one " + + "hop") + } + + // Overwrite the introduction point's blinded pub key with the real + // pub key since then we can use this more compact format in the + // invoice without needing to encode the un-used blinded node pub key of + // the intro node. + blindedPath.BlindedHops[0].BlindedNodePub = + blindedPath.IntroductionPoint + + // Now construct a z32 blinded path. + return &zpay32.BlindedPaymentPath{ + FeeBaseMsat: uint32(baseFee), + FeeRate: feeRate, + CltvExpiryDelta: cltvDelta, + HTLCMinMsat: uint64(minHTLC), + HTLCMaxMsat: uint64(maxHTLC), + Features: lnwire.EmptyFeatureVector(), + FirstEphemeralBlindingPoint: blindedPath.BlindingPoint, + Hops: blindedPath.BlindedHops, + }, nil +} + +// hopRelayInfo packages together the relay info to send to hop on a blinded +// path along with the pub key of that hop and the SCID that the hop should +// forward the payment on to. +type hopRelayInfo struct { + hopPubKey route.Vertex + nextSCID lnwire.ShortChannelID + relayInfo *record.PaymentRelayInfo + nextHopIsDummy bool +} + +// collectRelayInfo collects the relay policy rules for each relay hop on the +// route and applies any policy buffers. +// +// For the blinded route: +// +// C --chan(CB)--> B --chan(BA)--> A +// +// where C is the introduction node, the route.Route struct we are given will +// have SourcePubKey set to C's pub key, and then it will have the following +// route.Hops: +// +// - PubKeyBytes: B, ChannelID: chan(CB) +// - PubKeyBytes: A, ChannelID: chan(BA) +// +// We, however, want to collect the channel policies for the following PubKey +// and ChannelID pairs: +// +// - PubKey: C, ChannelID: chan(CB) +// - PubKey: B, ChannelID: chan(BA) +// +// Therefore, when we go through the route and its hops to collect policies, our +// index for collecting public keys will be trailing that of the channel IDs by +// 1. +func collectRelayInfo(cfg *buildBlindedPathCfg, path *candidatePath) ( + []*hopRelayInfo, lnwire.MilliSatoshi, lnwire.MilliSatoshi, error) { + + var ( + hops = make([]*hopRelayInfo, 0, len(path.hops)) + minHTLC lnwire.MilliSatoshi + maxHTLC lnwire.MilliSatoshi + ) + + var ( + // The first pub key is that of the introduction node. + hopSource = path.introNode + ) + for _, hop := range path.hops { + var ( + // For dummy hops, we use pre-configured policy values. + policy = cfg.dummyHopPolicy + err error + ) + if !hop.isDummy { + // For real hops, retrieve the channel policy for this + // hop's channel ID in the direction pointing away from + // the hopSource node. + policy, err = getNodeChannelPolicy( + cfg, hop.channelID, hopSource, + ) + if err != nil { + return nil, 0, 0, err + } + + // Apply any policy changes now before caching the + // policy. + policy, err = cfg.addPolicyBuffer(policy) + if err != nil { + return nil, 0, 0, err + } + } + + // If this is the first policy we are collecting, then use this + // policy to set the base values for min/max htlc. + if len(hops) == 0 { + minHTLC = policy.minHTLCMsat + maxHTLC = policy.maxHTLCMsat + } else { + if policy.minHTLCMsat > minHTLC { + minHTLC = policy.minHTLCMsat + } + + if policy.maxHTLCMsat < maxHTLC { + maxHTLC = policy.maxHTLCMsat + } + } + + // From the policy values for this hop, we can collect the + // payment relay info that we will send to this hop. + hops = append(hops, &hopRelayInfo{ + hopPubKey: hopSource, + nextSCID: lnwire.NewShortChanIDFromInt(hop.channelID), + relayInfo: &record.PaymentRelayInfo{ + FeeRate: policy.feeRate, + BaseFee: policy.baseFee, + CltvExpiryDelta: policy.cltvExpiryDelta, + }, + nextHopIsDummy: hop.isDummy, + }) + + // This hop's pub key will be the policy creator for the next + // hop. + hopSource = hop.pubKey + } + + // It can happen that there is no HTLC-range overlap between the various + // hops along the path. We return errInvalidBlindedPath to indicate that + // this route was not usable + if minHTLC > maxHTLC { + return nil, 0, 0, fmt.Errorf("%w: resulting blinded path min "+ + "HTLC value is larger than the resulting max HTLC "+ + "value", errInvalidBlindedPath) + } + + return hops, minHTLC, maxHTLC, nil +} + +// buildDummyRouteData constructs the record.BlindedRouteData struct for the +// given a hop in a blinded route where the following hop is a dummy hop. +func buildDummyRouteData(node route.Vertex, relayInfo *record.PaymentRelayInfo, + constraints *record.PaymentConstraints) (*hopData, error) { + + nodeID, err := btcec.ParsePubKey(node[:]) + if err != nil { + return nil, err + } + + return &hopData{ + data: record.NewDummyHopRouteData( + nodeID, *relayInfo, *constraints, + ), + nodeID: nodeID, + }, nil +} + +// buildHopRouteData constructs the record.BlindedRouteData struct for the given +// non-final hop on a blinded path and packages it with the node's ID. +func buildHopRouteData(node route.Vertex, scid lnwire.ShortChannelID, + relayInfo *record.PaymentRelayInfo, + constraints *record.PaymentConstraints) (*hopData, error) { + + // Wrap up the data we want to send to this hop. + blindedRouteHopData := record.NewNonFinalBlindedRouteData( + scid, nil, *relayInfo, constraints, nil, + ) + + nodeID, err := btcec.ParsePubKey(node[:]) + if err != nil { + return nil, err + } + + return &hopData{ + data: blindedRouteHopData, + nodeID: nodeID, + }, nil +} + +// buildFinalHopRouteData constructs the record.BlindedRouteData struct for the +// final hop and packages it with the real node ID of the node it is intended +// for. +func buildFinalHopRouteData(node route.Vertex, pathID []byte, + constraints *record.PaymentConstraints) (*hopData, error) { + + blindedRouteHopData := record.NewFinalHopBlindedRouteData( + constraints, pathID, + ) + nodeID, err := btcec.ParsePubKey(node[:]) + if err != nil { + return nil, err + } + + return &hopData{ + data: blindedRouteHopData, + nodeID: nodeID, + }, nil +} + +// getNodeChanPolicy fetches the routing policy info for the given channel and +// node pair. +func getNodeChannelPolicy(cfg *buildBlindedPathCfg, chanID uint64, + nodeID route.Vertex) (*blindedHopPolicy, error) { + + // Attempt to fetch channel updates for the given channel. We will have + // at most two updates for a given channel. + _, update1, update2, err := cfg.fetchChannelEdgesByID(chanID) + if err != nil { + return nil, err + } + + // Now we need to determine which of the updates was created by the + // node in question. We know the update is the correct one if the + // "ToNode" for the fetched policy is _not_ equal to the node ID in + // question. + var policy *models.ChannelEdgePolicy + switch { + case update1 != nil && !bytes.Equal(update1.ToNode[:], nodeID[:]): + policy = update1 + + case update2 != nil && !bytes.Equal(update2.ToNode[:], nodeID[:]): + policy = update2 + + default: + return nil, fmt.Errorf("no channel updates found from node "+ + "%s for channel %d", nodeID, chanID) + } + + return &blindedHopPolicy{ + cltvExpiryDelta: policy.TimeLockDelta, + feeRate: uint32(policy.FeeProportionalMillionths), + baseFee: policy.FeeBaseMSat, + minHTLCMsat: policy.MinHTLC, + maxHTLCMsat: policy.MaxHTLC, + }, nil +} + +// candidatePath holds all the information about a route to this node that we +// need in order to build a blinded route. +type candidatePath struct { + introNode route.Vertex + finalNodeID route.Vertex + hops []*blindedPathHop +} + +// padWithDummyHops will append n dummy hops to the candidatePath hop set. The +// pub key for the dummy hop will be the same as the pub key for the final hop +// of the path. That way, the final hop will be able to decrypt the data +// encrypted for each dummy hop. +func (c *candidatePath) padWithDummyHops(n uint8) error { + for len(c.hops) < int(n) { + c.hops = append(c.hops, &blindedPathHop{ + pubKey: c.finalNodeID, + isDummy: true, + }) + } + + return nil +} + +// blindedPathHop holds the information we need to know about a hop in a route +// in order to use it in the construction of a blinded path. +type blindedPathHop struct { + // pubKey is the real pub key of a node on a blinded path. + pubKey route.Vertex + + // channelID is the channel along which the previous hop should forward + // their HTLC in order to reach this hop. + channelID uint64 + + // isDummy is true if this hop is an appended dummy hop. + isDummy bool +} + +// extractCandidatePath extracts the data it needs from the given route.Route in +// order to construct a candidatePath. +func extractCandidatePath(path *route.Route) *candidatePath { + var ( + hops = make([]*blindedPathHop, len(path.Hops)) + finalNode = path.SourcePubKey + ) + for i, hop := range path.Hops { + hops[i] = &blindedPathHop{ + pubKey: hop.PubKeyBytes, + channelID: hop.ChannelID, + } + + if i == len(path.Hops)-1 { + finalNode = hop.PubKeyBytes + } + } + + return &candidatePath{ + introNode: path.SourcePubKey, + finalNodeID: finalNode, + hops: hops, + } +} + // blindedHopPolicy holds the set of relay policy values to use for a channel // in a blinded path. type blindedHopPolicy struct { diff --git a/lnrpc/invoicesrpc/addinvoice_test.go b/lnrpc/invoicesrpc/addinvoice_test.go index bd83d53d24..dd2d8680ef 100644 --- a/lnrpc/invoicesrpc/addinvoice_test.go +++ b/lnrpc/invoicesrpc/addinvoice_test.go @@ -1,6 +1,7 @@ package invoicesrpc import ( + "bytes" "encoding/hex" "fmt" "math/rand" @@ -10,10 +11,13 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/wire" + sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" + "github.com/lightningnetwork/lnd/routing/route" "github.com/lightningnetwork/lnd/tlv" "github.com/lightningnetwork/lnd/zpay32" "github.com/stretchr/testify/mock" @@ -1402,3 +1406,451 @@ func genBlindedRouteData(rand *rand.Rand) *record.BlindedRouteData { return &data } + +// TestBuildBlindedPath tests the logic for constructing a blinded path against +// an example mentioned in this spec document: +// https://github.com/lightning/bolts/blob/master/proposals/route-blinding.md +// This example does not use any dummy hops. +func TestBuildBlindedPath(t *testing.T) { + // Alice chooses the following path to herself for blinded path + // construction: + // Carol -> Bob -> Alice. + // Let's construct the corresponding route.Route for this which will be + // returned from the `findRoutes` config callback. + var ( + privC, pkC = btcec.PrivKeyFromBytes([]byte{1}) + privB, pkB = btcec.PrivKeyFromBytes([]byte{2}) + privA, pkA = btcec.PrivKeyFromBytes([]byte{3}) + + carol = route.NewVertex(pkC) + bob = route.NewVertex(pkB) + alice = route.NewVertex(pkA) + + chanCB = uint64(1) + chanBA = uint64(2) + ) + + realRoute := &route.Route{ + SourcePubKey: carol, + Hops: []*route.Hop{ + { + PubKeyBytes: bob, + ChannelID: chanCB, + }, + { + PubKeyBytes: alice, + ChannelID: chanBA, + }, + }, + } + + realPolicies := map[uint64]*models.ChannelEdgePolicy{ + chanCB: { + ChannelID: chanCB, + ToNode: bob, + }, + chanBA: { + ChannelID: chanBA, + ToNode: alice, + }, + } + + paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ + findRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, + error) { + + return []*route.Route{realRoute}, nil + }, + fetchChannelEdgesByID: func(chanID uint64) ( + *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy, error) { + + return nil, realPolicies[chanID], nil, nil + }, + bestHeight: func() (uint32, error) { + return 1000, nil + }, + // In the spec example, all the policies get replaced with + // the same static values. + addPolicyBuffer: func(_ *blindedHopPolicy) ( + *blindedHopPolicy, error) { + + return &blindedHopPolicy{ + feeRate: 500, + baseFee: 100, + cltvExpiryDelta: 144, + minHTLCMsat: 1000, + maxHTLCMsat: lnwire.MaxMilliSatoshi, + }, nil + }, + pathID: []byte{1, 2, 3}, + valueMsat: 1000, + minFinalCLTVExpiryDelta: 12, + blocksUntilExpiry: 200, + }) + require.NoError(t, err) + require.Len(t, paths, 1) + + path := paths[0] + + // Check that all the accumulated policy values are correct. + require.EqualValues(t, 201, path.FeeBaseMsat) + require.EqualValues(t, 1001, path.FeeRate) + require.EqualValues(t, 300, path.CltvExpiryDelta) + require.EqualValues(t, 1000, path.HTLCMinMsat) + require.EqualValues(t, lnwire.MaxMilliSatoshi, path.HTLCMaxMsat) + + // Now we check the hops. + require.Len(t, path.Hops, 3) + + // Assert that all the encrypted recipient blobs have been padded such + // that they are all the same size. + require.Len(t, path.Hops[0].CipherText, len(path.Hops[1].CipherText)) + require.Len(t, path.Hops[1].CipherText, len(path.Hops[2].CipherText)) + + // The first hop, should have the real pub key of the introduction + // node: Carol. + hop := path.Hops[0] + require.True(t, hop.BlindedNodePub.IsEqual(pkC)) + + // As Carol, let's decode the hop data and assert that all expected + // values have been included. + var ( + blindingPoint = path.FirstEphemeralBlindingPoint + data *record.BlindedRouteData + ) + + // Check that Carol's info is correct. + data, blindingPoint = decryptAndDecodeHopData( + t, privC, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanCB), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1500, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Bob's info is correct. + hop = path.Hops[1] + data, blindingPoint = decryptAndDecodeHopData( + t, privB, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanBA), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1356, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Alice's info is correct. + hop = path.Hops[2] + data, _ = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsNone()) + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1212, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + require.Equal(t, []byte{1, 2, 3}, data.PathID.UnwrapOrFail(t).Val) +} + +// TestBuildBlindedPathWithDummyHops tests the construction of a blinded path +// which includes dummy hops. +func TestBuildBlindedPathWithDummyHops(t *testing.T) { + // Alice chooses the following path to herself for blinded path + // construction: + // Carol -> Bob -> Alice. + // Let's construct the corresponding route.Route for this which will be + // returned from the `findRoutes` config callback. + var ( + privC, pkC = btcec.PrivKeyFromBytes([]byte{1}) + privB, pkB = btcec.PrivKeyFromBytes([]byte{2}) + privA, pkA = btcec.PrivKeyFromBytes([]byte{3}) + + carol = route.NewVertex(pkC) + bob = route.NewVertex(pkB) + alice = route.NewVertex(pkA) + + chanCB = uint64(1) + chanBA = uint64(2) + ) + + realRoute := &route.Route{ + SourcePubKey: carol, + Hops: []*route.Hop{ + { + PubKeyBytes: bob, + ChannelID: chanCB, + }, + { + PubKeyBytes: alice, + ChannelID: chanBA, + }, + }, + } + + realPolicies := map[uint64]*models.ChannelEdgePolicy{ + chanCB: { + ChannelID: chanCB, + ToNode: bob, + }, + chanBA: { + ChannelID: chanBA, + ToNode: alice, + }, + } + + paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ + findRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, + error) { + + return []*route.Route{realRoute}, nil + }, + fetchChannelEdgesByID: func(chanID uint64) ( + *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy, error) { + + policy, ok := realPolicies[chanID] + if !ok { + return nil, nil, nil, + fmt.Errorf("edge not found") + } + + return nil, policy, nil, nil + }, + bestHeight: func() (uint32, error) { + return 1000, nil + }, + // In the spec example, all the policies get replaced with + // the same static values. + addPolicyBuffer: func(_ *blindedHopPolicy) ( + *blindedHopPolicy, error) { + + return &blindedHopPolicy{ + feeRate: 500, + baseFee: 100, + cltvExpiryDelta: 144, + minHTLCMsat: 1000, + maxHTLCMsat: lnwire.MaxMilliSatoshi, + }, nil + }, + pathID: []byte{1, 2, 3}, + valueMsat: 1000, + minFinalCLTVExpiryDelta: 12, + blocksUntilExpiry: 200, + + // By setting the minimum number of hops to 4, we force 2 dummy + // hops to be added to the real route. + minNumHops: 4, + + dummyHopPolicy: &blindedHopPolicy{ + cltvExpiryDelta: 50, + feeRate: 100, + baseFee: 100, + minHTLCMsat: 1000, + maxHTLCMsat: lnwire.MaxMilliSatoshi, + }, + }) + require.NoError(t, err) + require.Len(t, paths, 1) + + path := paths[0] + + // Check that all the accumulated policy values are correct. + require.EqualValues(t, 403, path.FeeBaseMsat) + require.EqualValues(t, 1203, path.FeeRate) + require.EqualValues(t, 400, path.CltvExpiryDelta) + require.EqualValues(t, 1000, path.HTLCMinMsat) + require.EqualValues(t, lnwire.MaxMilliSatoshi, path.HTLCMaxMsat) + + // Now we check the hops. + require.Len(t, path.Hops, 5) + + // Assert that all the encrypted recipient blobs have been padded such + // that they are all the same size. + require.Len(t, path.Hops[0].CipherText, len(path.Hops[1].CipherText)) + require.Len(t, path.Hops[1].CipherText, len(path.Hops[2].CipherText)) + require.Len(t, path.Hops[2].CipherText, len(path.Hops[3].CipherText)) + require.Len(t, path.Hops[3].CipherText, len(path.Hops[4].CipherText)) + + // The first hop, should have the real pub key of the introduction + // node: Carol. + hop := path.Hops[0] + require.True(t, hop.BlindedNodePub.IsEqual(pkC)) + + // As Carol, let's decode the hop data and assert that all expected + // values have been included. + var ( + blindingPoint = path.FirstEphemeralBlindingPoint + data *record.BlindedRouteData + ) + + // Check that Carol's info is correct. + data, blindingPoint = decryptAndDecodeHopData( + t, privC, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanCB), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1600, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Bob's info is correct. + hop = path.Hops[1] + data, blindingPoint = decryptAndDecodeHopData( + t, privB, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanBA), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1456, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Alice's info is correct. The payload should contain + // a next_node_id field that is equal to Alice's public key. This + // indicates to Alice that she should continue peeling the onion. + hop = path.Hops[2] + data, blindingPoint = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsSome()) + require.True(t, data.Constraints.IsSome()) + require.Equal(t, pkA, data.NextNodeID.UnwrapOrFail(t).Val) + + // Alice should be able to decrypt the next payload with her private + // key. This next payload is yet another dummy hop. + hop = path.Hops[3] + data, blindingPoint = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsSome()) + require.True(t, data.Constraints.IsSome()) + require.Equal(t, pkA, data.NextNodeID.UnwrapOrFail(t).Val) + + // Unwrapping one more time should reveal the final hop info for Alice. + hop = path.Hops[4] + data, _ = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsNone()) + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1212, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + require.Equal(t, []byte{1, 2, 3}, data.PathID.UnwrapOrFail(t).Val) +} + +// TestSingleHopBlindedPath tests that blinded path construction is done +// correctly for the case where the destination node is also the introduction +// node. +func TestSingleHopBlindedPath(t *testing.T) { + var ( + _, pkC = btcec.PrivKeyFromBytes([]byte{1}) + carol = route.NewVertex(pkC) + ) + + realRoute := &route.Route{ + SourcePubKey: carol, + // No hops since Carol is both the introduction node and the + // final destination node. + Hops: []*route.Hop{}, + } + + paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ + findRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, + error) { + + return []*route.Route{realRoute}, nil + }, + bestHeight: func() (uint32, error) { + return 1000, nil + }, + pathID: []byte{1, 2, 3}, + valueMsat: 1000, + minFinalCLTVExpiryDelta: 12, + blocksUntilExpiry: 200, + }) + require.NoError(t, err) + require.Len(t, paths, 1) + + path := paths[0] + + // Check that all the accumulated policy values are correct. Since this + // is a unique case where the destination node is also the introduction + // node, the accumulated fee and HTLC values should be zero and the + // CLTV expiry delta should be equal to Carol's minFinalCLTVExpiryDelta. + require.EqualValues(t, 0, path.FeeBaseMsat) + require.EqualValues(t, 0, path.FeeRate) + require.EqualValues(t, 0, path.HTLCMinMsat) + require.EqualValues(t, 0, path.HTLCMaxMsat) + require.EqualValues(t, 12, path.CltvExpiryDelta) +} + +func decryptAndDecodeHopData(t *testing.T, priv *btcec.PrivateKey, + ephem *btcec.PublicKey, cipherText []byte) (*record.BlindedRouteData, + *btcec.PublicKey) { + + router := sphinx.NewRouter( + &keychain.PrivKeyECDH{PrivKey: priv}, nil, + ) + + decrypted, err := router.DecryptBlindedHopData(ephem, cipherText) + require.NoError(t, err) + + buf := bytes.NewBuffer(decrypted) + routeData, err := record.DecodeBlindedRouteData(buf) + require.NoError(t, err) + + nextEphem, err := router.NextEphemeral(ephem) + require.NoError(t, err) + + return routeData, nextEphem +} From 9787ae9c8968c51f59d7c50315164f575dec58c7 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sat, 4 May 2024 11:26:27 +0200 Subject: [PATCH 157/343] lnrpc/invoicesrpc: prep AddInvoice for blinded routes Here we add a new `Blind` option to the `AddInvoiceData` which will signal that the new invoice should encode a blinded route. Certain other changes are also made in the case that this invoice contains a blinded route: 1) the payment address/secret no longer needs to be in the invoice itself since it will be put in the `PathID` recored of the encrypted recipient record for our hop. 2) When we sign the invoice, we now use an ephemeral key since we dont want the sender to be able to derive our real node pub key from the invoice signature. 3) The invoice's FinalCLTV field should be zero for blinded invoices since the CLTV delta info will be communicated in the accumulated route policy values. --- lnrpc/invoicesrpc/addinvoice.go | 168 +++++++++++++++++++++++++++----- 1 file changed, 145 insertions(+), 23 deletions(-) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 28276c0076..0e2680701a 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -13,8 +13,10 @@ import ( "time" "github.com/btcsuite/btcd/btcec/v2" + "github.com/btcsuite/btcd/btcec/v2/ecdsa" "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/chaincfg" + "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/wire" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb" @@ -97,6 +99,31 @@ type AddInvoiceConfig struct { // GetAlias allows the peer's alias SCID to be retrieved for private // option_scid_alias channels. GetAlias func(lnwire.ChannelID) (lnwire.ShortChannelID, error) + + // BestHeight returns the current best block height that this node is + // aware of. + BestHeight func() (uint32, error) + + // QueryBlindedRoutes can be used to generate a few routes to this node + // that can then be used in the construction of a blinded payment path. + QueryBlindedRoutes func(lnwire.MilliSatoshi) ([]*route.Route, error) + + // BlindedRoutePolicyIncrMultiplier is the amount by which policy values + // for hops in a blinded route will be bumped to avoid easy probing. For + // example, a multiplier of 1.1 will bump all appropriate the values + // (base fee, fee rate, CLTV delta and min HLTC) by 10%. + BlindedRoutePolicyIncrMultiplier float64 + + // BlindedRoutePolicyDecrMultiplier is the amount by which appropriate + // policy values for hops in a blinded route will be decreased to avoid + // easy probing. For example, a multiplier of 0.9 will reduce + // appropriate values (like maximum HTLC) by 10%. + BlindedRoutePolicyDecrMultiplier float64 + + // MinNumHops is the minimum number of hops that a blinded path should + // be. Dummy hops will be used to pad any route with a length less than + // this. + MinNumHops uint8 } // AddInvoiceData contains the required data to create a new invoice. @@ -147,6 +174,11 @@ type AddInvoiceData struct { // NOTE: Preimage should always be set to nil when this value is true. Amp bool + // Blind signals that this invoice should disguise the location of the + // recipient by adding blinded payment paths to the invoice instead of + // revealing the destination node's real pub key. + Blind bool + // RouteHints are optional route hints that can each be individually // used to assist in reaching the invoice's destination. RouteHints [][]zpay32.HopHint @@ -251,6 +283,11 @@ func (d *AddInvoiceData) mppPaymentHashAndPreimage() (*lntypes.Preimage, func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, invoice *AddInvoiceData) (*lntypes.Hash, *invoices.Invoice, error) { + if invoice.Amp && invoice.Blind { + return nil, nil, fmt.Errorf("AMP invoices with blinded paths " + + "are not yet supported") + } + paymentPreimage, paymentHash, err := invoice.paymentHashAndPreimage() if err != nil { return nil, nil, err @@ -322,10 +359,9 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, options = append(options, zpay32.FallbackAddr(addr)) } + var expiry time.Duration switch { - // If expiry is set, specify it. If it is not provided, no expiry time - // will be explicitly added to this payment request, which will imply - // the default 3600 seconds. + // An invoice expiry has been provided by the caller. case invoice.Expiry > 0: // We'll ensure that the specified expiry is restricted to sane @@ -340,19 +376,19 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, float64(expSeconds), maxExpiry.Seconds()) } - expiry := time.Duration(invoice.Expiry) * time.Second - options = append(options, zpay32.Expiry(expiry)) + expiry = time.Duration(invoice.Expiry) * time.Second // If no custom expiry is provided, use the default MPP expiry. case !invoice.Amp: - options = append(options, zpay32.Expiry(DefaultInvoiceExpiry)) + expiry = DefaultInvoiceExpiry // Otherwise, use the default AMP expiry. default: - defaultExpiry := zpay32.Expiry(DefaultAMPInvoiceExpiry) - options = append(options, defaultExpiry) + expiry = DefaultAMPInvoiceExpiry } + options = append(options, zpay32.Expiry(expiry)) + // If the description hash is set, then we add it do the list of // options. If not, use the memo field as the payment request // description. @@ -366,15 +402,16 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, options = append(options, zpay32.Description(invoice.Memo)) } - // We'll use our current default CLTV value unless one was specified as - // an option on the command line when creating an invoice. - switch { - case invoice.CltvExpiry > routing.MaxCLTVDelta: + if invoice.CltvExpiry > routing.MaxCLTVDelta { return nil, nil, fmt.Errorf("CLTV delta of %v is too large, "+ "max accepted is: %v", invoice.CltvExpiry, math.MaxUint16) + } - case invoice.CltvExpiry != 0: + // We'll use our current default CLTV value unless one was specified as + // an option on the command line when creating an invoice. + cltvExpiryDelta := uint64(cfg.DefaultCLTVExpiry) + if invoice.CltvExpiry != 0 { // Disallow user-chosen final CLTV deltas below the required // minimum. if invoice.CltvExpiry < routing.MinCLTVDelta { @@ -383,13 +420,14 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, invoice.CltvExpiry, routing.MinCLTVDelta) } - options = append(options, - zpay32.CLTVExpiry(invoice.CltvExpiry)) + cltvExpiryDelta = invoice.CltvExpiry + } - default: - // TODO(roasbeef): assumes set delta between versions - defaultCLTVExpiry := uint64(cfg.DefaultCLTVExpiry) - options = append(options, zpay32.CLTVExpiry(defaultCLTVExpiry)) + // Only include a final CLTV expiry delta if this is not a blinded + // invoice. In a blinded invoice, this value will be added to the total + // blinded route CLTV delta value + if !invoice.Blind { + options = append(options, zpay32.CLTVExpiry(cltvExpiryDelta)) } // We make sure that the given invoice routing hints number is within @@ -401,6 +439,11 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, // Include route hints if needed. if len(invoice.RouteHints) > 0 || invoice.Private { + if invoice.Blind { + return nil, nil, fmt.Errorf("can't set both hop " + + "hints and add blinded payment paths") + } + // Validate provided hop hints. for _, hint := range invoice.RouteHints { if len(hint) == 0 { @@ -443,14 +486,73 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, } options = append(options, zpay32.Features(invoiceFeatures)) - // Generate and set a random payment address for this invoice. If the + // Generate and set a random payment address for this payment. If the // sender understands payment addresses, this can be used to avoid - // intermediaries probing the receiver. + // intermediaries probing the receiver. If the invoice does not have + // blinded paths, then this will be encoded in the invoice itself. + // Otherwise, it will instead be embedded in the encrypted recipient + // data of blinded paths. In the blinded path case, this will be used + // for the PathID. var paymentAddr [32]byte if _, err := rand.Read(paymentAddr[:]); err != nil { return nil, nil, err } - options = append(options, zpay32.PaymentAddr(paymentAddr)) + + if invoice.Blind { + // Use the 10-min-per-block assumption to get a rough estimate + // of the number of blocks until the invoice expires. We want + // to make sure that the blinded path definitely does not expire + // before the invoice does, and so we add a healthy buffer. + invoiceExpiry := uint32(expiry.Minutes() / 10) + blindedPathExpiry := invoiceExpiry * 2 + + // Add BlockPadding to the finalCltvDelta so that the receiving + // node does not reject the HTLC if some blocks are mined while + // the payment is in-flight. Note that unlike vanilla invoices, + // with blinded paths, the recipient is responsible for adding + // this block padding instead of the sender. + finalCLTVDelta := uint32(cltvExpiryDelta) + finalCLTVDelta += uint32(routing.BlockPadding) + + //nolint:lll + paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ + findRoutes: cfg.QueryBlindedRoutes, + fetchChannelEdgesByID: cfg.Graph.FetchChannelEdgesByID, + pathID: paymentAddr[:], + valueMsat: invoice.Value, + bestHeight: cfg.BestHeight, + minFinalCLTVExpiryDelta: finalCLTVDelta, + blocksUntilExpiry: blindedPathExpiry, + addPolicyBuffer: func(p *blindedHopPolicy) ( + *blindedHopPolicy, error) { + + return addPolicyBuffer( + p, cfg.BlindedRoutePolicyIncrMultiplier, + cfg.BlindedRoutePolicyDecrMultiplier, + ) + }, + minNumHops: cfg.MinNumHops, + // TODO: make configurable + dummyHopPolicy: &blindedHopPolicy{ + cltvExpiryDelta: 80, + feeRate: 100, + baseFee: 100, + minHTLCMsat: 0, + maxHTLCMsat: lnwire.MaxMilliSatoshi, + }, + }) + if err != nil { + return nil, nil, err + } + + for _, path := range paths { + options = append(options, zpay32.WithBlindedPaymentPath( + path, + )) + } + } else { + options = append(options, zpay32.PaymentAddr(paymentAddr)) + } // Create and encode the payment request as a bech32 (zpay32) string. creationDate := time.Now() @@ -463,7 +565,27 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, payReqString, err := payReq.Encode(zpay32.MessageSigner{ SignCompact: func(msg []byte) ([]byte, error) { - return cfg.NodeSigner.SignMessageCompact(msg, false) + // For an invoice without a blinded path, the main node + // key is used to sign the invoice so that the sender + // can derive the true pub key of the recipient. + if !invoice.Blind { + return cfg.NodeSigner.SignMessageCompact( + msg, false, + ) + } + + // For an invoice with a blinded path, we use an + // ephemeral key to sign the invoice since we don't want + // the sender to be able to know the real pub key of + // the recipient. + ephemKey, err := btcec.NewPrivateKey() + if err != nil { + return nil, err + } + + return ecdsa.SignCompact( + ephemKey, chainhash.HashB(msg), true, + ) }, }) if err != nil { From 1039aedd0c94cfe1336f764fcf068c2ac0a1c4c0 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sat, 4 May 2024 12:05:17 +0200 Subject: [PATCH 158/343] routing: find blinded paths to a destination node This commit adds a new function, `findBlindedPaths`, that does a depth first search from the target node to find a set of blinded paths to the target node given the set of restrictions. This function will select and return any candidate path. A candidate path is a path to the target node with a size determined by the given hop number constraints where all the nodes on the path signal the route blinding feature _and_ the introduction node for the path has more than one public channel. Any filtering of paths based on payment value or success probabilities is left to the caller. --- routing/pathfind.go | 194 +++++++++++++++++++++++++++++++++++++ routing/pathfind_test.go | 200 +++++++++++++++++++++++++++++++++++++-- 2 files changed, 387 insertions(+), 7 deletions(-) diff --git a/routing/pathfind.go b/routing/pathfind.go index a808269716..086b816929 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -6,6 +6,7 @@ import ( "errors" "fmt" "math" + "sort" "time" "github.com/btcsuite/btcd/btcutil" @@ -1100,6 +1101,199 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, return pathEdges, distance[source].probability, nil } +// blindedPathRestrictions are a set of constraints to adhere to when +// choosing a set of blinded paths to this node. +type blindedPathRestrictions struct { + // minNumHops is the minimum number of hops to include in a blinded + // path. This doesn't include our node, so if the minimum is 1, then + // the path will contain at minimum our node along with an introduction + // node hop. A minimum of 0 will include paths where this node is the + // introduction node and so should be used with caution. + minNumHops uint8 + + // maxNumHops is the maximum number of hops to include in a blinded + // path. This doesn't include our node, so if the maximum is 1, then + // the path will contain our node along with an introduction node hop. + maxNumHops uint8 +} + +// blindedHop holds the information about a hop we have selected for a blinded +// path. +type blindedHop struct { + vertex route.Vertex + edgePolicy *models.CachedEdgePolicy + edgeCapacity btcutil.Amount +} + +// findBlindedPaths does a depth first search from the target node to find a set +// of blinded paths to the target node given the set of restrictions. This +// function will select and return any candidate path. A candidate path is a +// path to the target node with a size determined by the given hop number +// constraints where all the nodes on the path signal the route blinding feature +// _and_ the introduction node for the path has more than one public channel. +// Any filtering of paths based on payment value or success probabilities is +// left to the caller. +func findBlindedPaths(g Graph, target route.Vertex, + restrictions *blindedPathRestrictions) ([][]blindedHop, error) { + + // Sanity check the restrictions. + if restrictions.minNumHops > restrictions.maxNumHops { + return nil, fmt.Errorf("maximum number of blinded path hops "+ + "(%d) must be greater than or equal to the minimum "+ + "number of hops (%d)", restrictions.maxNumHops, + restrictions.minNumHops) + } + + // If the node is not the destination node, then it is required that the + // node advertise the route blinding feature-bit in order for it to be + // chosen as a node on the blinded path. + supportsRouteBlinding := func(node route.Vertex) (bool, error) { + if node == target { + return true, nil + } + + features, err := g.FetchNodeFeatures(node) + if err != nil { + return false, err + } + + return features.HasFeature(lnwire.RouteBlindingOptional), nil + } + + // This function will have some recursion. We will spin out from the + // target node & append edges to the paths until we reach various exit + // conditions such as: The maxHops number being reached or reaching + // a node that doesn't have any other edges - in that final case, the + // whole path should be ignored. + paths, _, err := processNodeForBlindedPath( + g, target, supportsRouteBlinding, nil, restrictions, + ) + if err != nil { + return nil, err + } + + // Reverse each path so that the order is correct (from introduction + // node to last hop node) and then append this node on as the + // destination of each path. + orderedPaths := make([][]blindedHop, len(paths)) + for i, path := range paths { + sort.Slice(path, func(i, j int) bool { + return j < i + }) + + orderedPaths[i] = append(path, blindedHop{vertex: target}) + } + + // Handle the special case that allows a blinded path with the + // introduction node as the destination node. + if restrictions.minNumHops == 0 { + singleHopPath := [][]blindedHop{{{vertex: target}}} + + //nolint:makezero + orderedPaths = append( + orderedPaths, singleHopPath..., + ) + } + + return orderedPaths, err +} + +// processNodeForBlindedPath is a recursive function that traverses the graph +// in a depth first manner searching for a set of blinded paths to the given +// node. +func processNodeForBlindedPath(g Graph, node route.Vertex, + supportsRouteBlinding func(vertex route.Vertex) (bool, error), + alreadyVisited map[route.Vertex]bool, + restrictions *blindedPathRestrictions) ([][]blindedHop, bool, error) { + + // If we have already visited the maximum number of hops, then this path + // is complete and we can exit now. + if len(alreadyVisited) > int(restrictions.maxNumHops) { + return nil, false, nil + } + + // If we have already visited this peer on this path, then we skip + // processing it again. + if alreadyVisited[node] { + return nil, false, nil + } + + supports, err := supportsRouteBlinding(node) + if err != nil { + return nil, false, err + } + if !supports { + return nil, false, nil + } + + // At this point, copy the alreadyVisited map. + visited := make(map[route.Vertex]bool, len(alreadyVisited)) + for r := range alreadyVisited { + visited[r] = true + } + + // Add this node the visited set. + visited[node] = true + + var ( + hopSets [][]blindedHop + chanCount int + ) + + // Now, iterate over the node's channels in search for paths to this + // node that can be used for blinded paths + err = g.ForEachNodeChannel(node, + func(channel *channeldb.DirectedChannel) error { + // Keep track of how many incoming channels this node + // has. We only use a node as an introduction node if it + // has channels other than the one that lead us to it. + chanCount++ + + // Process each channel peer to gather any paths that + // lead to the peer. + nextPaths, hasMoreChans, err := processNodeForBlindedPath( //nolint:lll + g, channel.OtherNode, supportsRouteBlinding, + visited, restrictions, + ) + if err != nil { + return err + } + + hop := blindedHop{ + vertex: channel.OtherNode, + edgePolicy: channel.InPolicy, + edgeCapacity: channel.Capacity, + } + + // For each of the paths returned, unwrap them and + // append this hop to them. + for _, path := range nextPaths { + hopSets = append( + hopSets, + append([]blindedHop{hop}, path...), + ) + } + + // If this node does have channels other than the one + // that lead to it, and if the hop count up to this node + // meets the minHop requirement, then we also add a + // path that starts at this node. + if hasMoreChans && + len(visited) >= int(restrictions.minNumHops) { + + hopSets = append(hopSets, []blindedHop{hop}) + } + + return nil + }, + ) + if err != nil { + return nil, false, err + } + + return hopSets, chanCount > 1, nil +} + // getProbabilityBasedDist converts a weight into a distance that takes into // account the success probability and the (virtual) cost of a failed payment // attempt. diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 9c69cba5c9..f67a8fa590 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -514,7 +514,8 @@ func (g *testGraphInstance) getLink(chanID lnwire.ShortChannelID) ( // not required and derived from the channel data. The goal is to keep // instantiating a test channel graph as light weight as possible. func createTestGraphFromChannels(t *testing.T, useCache bool, - testChannels []*testChannel, source string) (*testGraphInstance, error) { + testChannels []*testChannel, source string, + sourceFeatureBits ...lnwire.FeatureBit) (*testGraphInstance, error) { // We'll use this fake address for the IP address of all the nodes in // our tests. This value isn't needed for path finding so it doesn't @@ -578,10 +579,13 @@ func createTestGraphFromChannels(t *testing.T, useCache bool, } // Add the source node. - dbNode, err := addNodeWithAlias(source, lnwire.EmptyFeatureVector()) - if err != nil { - return nil, err - } + dbNode, err := addNodeWithAlias( + source, lnwire.NewFeatureVector( + lnwire.NewRawFeatureVector(sourceFeatureBits...), + lnwire.Features, + ), + ) + require.NoError(t, err) if err = graph.SetSourceNode(dbNode); err != nil { return nil, err @@ -3031,10 +3035,11 @@ type pathFindingTestContext struct { } func newPathFindingTestContext(t *testing.T, useCache bool, - testChannels []*testChannel, source string) *pathFindingTestContext { + testChannels []*testChannel, source string, + sourceFeatureBits ...lnwire.FeatureBit) *pathFindingTestContext { testGraphInstance, err := createTestGraphFromChannels( - t, useCache, testChannels, source, + t, useCache, testChannels, source, sourceFeatureBits..., ) require.NoError(t, err, "unable to create graph") @@ -3077,6 +3082,12 @@ func (c *pathFindingTestContext) findPath(target route.Vertex, ) } +func (c *pathFindingTestContext) findBlindedPaths( + restrictions *blindedPathRestrictions) ([][]blindedHop, error) { + + return dbFindBlindedPaths(c.graph, restrictions) +} + func (c *pathFindingTestContext) assertPath(path []*unifiedEdge, expected []uint64) { @@ -3134,6 +3145,22 @@ func dbFindPath(graph *channeldb.ChannelGraph, return route, err } +// dbFindBlindedPaths calls findBlindedPaths after getting a db transaction from +// the database graph. +func dbFindBlindedPaths(graph *channeldb.ChannelGraph, + restrictions *blindedPathRestrictions) ([][]blindedHop, error) { + + sourceNode, err := graph.SourceNode() + if err != nil { + return nil, err + } + + return findBlindedPaths( + newMockGraphSessionChanDB(graph), sourceNode.PubKeyBytes, + restrictions, + ) +} + // TestBlindedRouteConstruction tests creation of a blinded route with the // following topology: // @@ -3506,3 +3533,162 @@ func TestLastHopPayloadSize(t *testing.T) { }) } } + +// TestFindBlindedPaths tests that the findBlindedPaths function correctly +// selects a set of blinded paths to a destination node given various +// restrictions. +func TestFindBlindedPaths(t *testing.T) { + featuresWithRouteBlinding := lnwire.NewFeatureVector( + lnwire.NewRawFeatureVector(lnwire.RouteBlindingOptional), + lnwire.Features, + ) + + policyWithRouteBlinding := &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + MinHTLC: 1, + MaxHTLC: 100000000, + Features: featuresWithRouteBlinding, + } + + policyWithoutRouteBlinding := &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + MinHTLC: 1, + MaxHTLC: 100000000, + } + + // Set up the following graph where Dave will be our destination node. + // All the nodes except for A will signal the Route Blinding feature + // bit. + // + // A --- F + // | | + // G --- D --- B --- E + // | | + // C-----------/ + // + testChannels := []*testChannel{ + symmetricTestChannel( + "dave", "alice", 100000, policyWithoutRouteBlinding, 1, + ), + symmetricTestChannel( + "dave", "bob", 100000, policyWithRouteBlinding, 2, + ), + symmetricTestChannel( + "dave", "charlie", 100000, policyWithRouteBlinding, 3, + ), + symmetricTestChannel( + "alice", "frank", 100000, policyWithRouteBlinding, 4, + ), + symmetricTestChannel( + "bob", "frank", 100000, policyWithRouteBlinding, 5, + ), + symmetricTestChannel( + "eve", "charlie", 100000, policyWithRouteBlinding, 6, + ), + symmetricTestChannel( + "bob", "eve", 100000, policyWithRouteBlinding, 7, + ), + symmetricTestChannel( + "dave", "george", 100000, policyWithRouteBlinding, 8, + ), + } + + ctx := newPathFindingTestContext( + t, true, testChannels, "dave", lnwire.RouteBlindingOptional, + ) + + // assertPaths checks that the set of selected paths contains all the + // expected paths. + assertPaths := func(paths [][]blindedHop, expectedPaths []string) { + require.Len(t, paths, len(expectedPaths)) + + actualPaths := make(map[string]bool) + + for _, path := range paths { + var label string + for _, hop := range path { + label += ctx.aliasFromKey(hop.vertex) + "," + } + + actualPaths[strings.TrimRight(label, ",")] = true + } + + for _, path := range expectedPaths { + require.True(t, actualPaths[path]) + } + } + + // 1) Restrict the min & max path length such that we only include paths + // with one hop other than the destination hop. + paths, err := ctx.findBlindedPaths(&blindedPathRestrictions{ + minNumHops: 1, + maxNumHops: 1, + }) + require.NoError(t, err) + + // We expect the B->D and C->D paths to be chosen. + // The A->D path is not chosen since A does not advertise the route + // blinding feature bit. The G->D path is not chosen since G does not + // have any other known channels. + assertPaths(paths, []string{ + "bob,dave", + "charlie,dave", + }) + + // 2) Extend the search to include 2 hops other than the destination. + paths, err = ctx.findBlindedPaths(&blindedPathRestrictions{ + minNumHops: 1, + maxNumHops: 2, + }) + require.NoError(t, err) + + // We expect the following paths: + // - B, D + // - F, B, D + // - E, B, D + // - C, D + // - E, C, D + assertPaths(paths, []string{ + "bob,dave", + "frank,bob,dave", + "eve,bob,dave", + "charlie,dave", + "eve,charlie,dave", + }) + + // 3) Extend the search even further and also increase the minimum path + // length. + paths, err = ctx.findBlindedPaths(&blindedPathRestrictions{ + minNumHops: 2, + maxNumHops: 3, + }) + require.NoError(t, err) + + // We expect the following paths: + // - F, B, D + // - E, B, D + // - E, C, D + // - B, E, C, D + // - C, E, B, D + assertPaths(paths, []string{ + "frank,bob,dave", + "eve,bob,dave", + "eve,charlie,dave", + "bob,eve,charlie,dave", + "charlie,eve,bob,dave", + }) + + // 4) Finally, we will test the special case where the destination node + // is also the recipient. + paths, err = ctx.findBlindedPaths(&blindedPathRestrictions{ + minNumHops: 0, + maxNumHops: 0, + }) + require.NoError(t, err) + + assertPaths(paths, []string{ + "dave", + }) +} From e12a2262724e238c3ce9f85511ba9d0b3109c6cb Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 5 May 2024 13:36:26 +0200 Subject: [PATCH 159/343] routing: use mission control to select blinded paths Add a `FindBlindedPaths` method to the `ChannelRouter` which will use the new `findBlindedPaths` function to get a set of candidate blinded path routes. It then uses mission control to select the best of these paths. Note that as of this commit, the MC data we get from these queries won't mean much since we wont have data about a channel in the direction towards us. But we do this now in preparation for a future PR which will start writing mission control success pairs for successful receives from blinded route paths. --- routing/router.go | 126 ++++++++++++++++++++++++ routing/router_test.go | 219 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 345 insertions(+) diff --git a/routing/router.go b/routing/router.go index 35db5a779a..9e183cde50 100644 --- a/routing/router.go +++ b/routing/router.go @@ -5,6 +5,7 @@ import ( "context" "fmt" "math" + "sort" "sync" "sync/atomic" "time" @@ -675,6 +676,131 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, return route, probability, nil } +// probabilitySource defines the signature of a function that can be used to +// query the success probability of sending a given amount between the two +// given vertices. +type probabilitySource func(route.Vertex, route.Vertex, lnwire.MilliSatoshi, + btcutil.Amount) float64 + +// BlindedPathRestrictions are a set of constraints to adhere to when +// choosing a set of blinded paths to this node. +type BlindedPathRestrictions struct { + // MinDistanceFromIntroNode is the minimum number of _real_ (non-dummy) + // hops to include in a blinded path. Since we post-fix dummy hops, this + // is the minimum distance between our node and the introduction node + // of the path. This doesn't include our node, so if the minimum is 1, + // then the path will contain at minimum our node along with an + // introduction node hop. + MinDistanceFromIntroNode uint8 + + // NumHops is the number of hops that each blinded path should consist + // of. If paths are found with a number of hops less that NumHops, then + // dummy hops will be padded on to the route. This value doesn't + // include our node, so if the maximum is 1, then the path will contain + // our node along with an introduction node hop. + NumHops uint8 + + // MaxNumPaths is the maximum number of blinded paths to select. + MaxNumPaths uint8 +} + +// FindBlindedPaths finds a selection of paths to the destination node that can +// be used in blinded payment paths. +func (r *ChannelRouter) FindBlindedPaths(destination route.Vertex, + amt lnwire.MilliSatoshi, probabilitySrc probabilitySource, + restrictions *BlindedPathRestrictions) ([]*route.Route, error) { + + // First, find a set of candidate paths given the destination node and + // path length restrictions. + paths, err := findBlindedPaths( + r.cfg.RoutingGraph, destination, &blindedPathRestrictions{ + minNumHops: restrictions.MinDistanceFromIntroNode, + maxNumHops: restrictions.NumHops, + }, + ) + if err != nil { + return nil, err + } + + // routeWithProbability groups a route with the probability of a + // payment of the given amount succeeding on that path. + type routeWithProbability struct { + route *route.Route + probability float64 + } + + // Iterate over all the candidate paths and determine the success + // probability of each path given the data we have about forwards + // between any two nodes on a path. + routes := make([]*routeWithProbability, 0, len(paths)) + for _, path := range paths { + if len(path) < 1 { + return nil, fmt.Errorf("a blinded path must have at " + + "least one hop") + } + + var ( + introNode = path[0].vertex + prevNode = introNode + hops = make( + []*route.Hop, 0, len(path)-1, + ) + totalRouteProbability = float64(1) + ) + + // For each set of hops on the path, get the success probability + // of a forward between those two vertices and use that to + // update the overall route probability. + for j := 1; j < len(path); j++ { + probability := probabilitySrc( + prevNode, path[j].vertex, amt, + path[j-1].edgeCapacity, + ) + + totalRouteProbability *= probability + + hops = append(hops, &route.Hop{ + PubKeyBytes: path[j].vertex, + ChannelID: path[j-1].edgePolicy.ChannelID, + }) + + prevNode = path[j].vertex + } + + // Don't bother adding a route if its success probability less + // minimum that can be assigned to any single pair. + if totalRouteProbability <= DefaultMinRouteProbability { + continue + } + + routes = append(routes, &routeWithProbability{ + route: &route.Route{ + SourcePubKey: introNode, + Hops: hops, + }, + probability: totalRouteProbability, + }) + } + + // Sort the routes based on probability. + sort.Slice(routes, func(i, j int) bool { + return routes[i].probability < routes[j].probability + }) + + // Now just choose the best paths up until the maximum number of allowed + // paths. + bestRoutes := make([]*route.Route, 0, restrictions.MaxNumPaths) + for _, route := range routes { + if len(bestRoutes) >= int(restrictions.MaxNumPaths) { + break + } + + bestRoutes = append(bestRoutes, route.route) + } + + return bestRoutes, nil +} + // generateNewSessionKey generates a new ephemeral private key to be used for a // payment attempt. func generateNewSessionKey() (*btcec.PrivateKey, error) { diff --git a/routing/router_test.go b/routing/router_test.go index 1749a6dabc..f631669a9d 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -7,6 +7,7 @@ import ( "math" "math/rand" "net" + "strings" "sync" "sync/atomic" "testing" @@ -2589,3 +2590,221 @@ func createChannelEdge(bitcoinKey1, bitcoinKey2 []byte, return fundingTx, &chanUtxo, chanID, nil } + +// TestFindBlindedPathsWithMC tests that the FindBlindedPaths method correctly +// selects a set of blinded paths by using mission control data to select the +// paths with the highest success probability. +func TestFindBlindedPathsWithMC(t *testing.T) { + t.Parallel() + + rbFeatureBits := []lnwire.FeatureBit{ + lnwire.RouteBlindingOptional, + } + + // Create the following graph and let all the nodes advertise support + // for blinded paths. + // + // C + // / \ + // / \ + // E -- A -- F -- D + // \ / + // \ / + // B + // + featuresWithRouteBlinding := lnwire.NewFeatureVector( + lnwire.NewRawFeatureVector(rbFeatureBits...), lnwire.Features, + ) + + policyWithRouteBlinding := &testChannelPolicy{ + Expiry: 144, + FeeRate: 400, + MinHTLC: 1, + MaxHTLC: 100000000, + Features: featuresWithRouteBlinding, + } + + testChannels := []*testChannel{ + symmetricTestChannel( + "eve", "alice", 100000, policyWithRouteBlinding, 1, + ), + symmetricTestChannel( + "alice", "charlie", 100000, policyWithRouteBlinding, 2, + ), + symmetricTestChannel( + "alice", "bob", 100000, policyWithRouteBlinding, 3, + ), + symmetricTestChannel( + "charlie", "dave", 100000, policyWithRouteBlinding, 4, + ), + symmetricTestChannel( + "bob", "dave", 100000, policyWithRouteBlinding, 5, + ), + symmetricTestChannel( + "alice", "frank", 100000, policyWithRouteBlinding, 6, + ), + symmetricTestChannel( + "frank", "dave", 100000, policyWithRouteBlinding, 7, + ), + } + + testGraph, err := createTestGraphFromChannels( + t, true, testChannels, "dave", rbFeatureBits..., + ) + require.NoError(t, err) + + ctx := createTestCtxFromGraphInstance(t, 101, testGraph) + + var ( + alice = ctx.aliases["alice"] + bob = ctx.aliases["bob"] + charlie = ctx.aliases["charlie"] + dave = ctx.aliases["dave"] + eve = ctx.aliases["eve"] + frank = ctx.aliases["frank"] + ) + + // Create a mission control store which initially sets the success + // probability of each node pair to 1. + missionControl := map[route.Vertex]map[route.Vertex]float64{ + eve: {alice: 1}, + alice: { + charlie: 1, + bob: 1, + frank: 1, + }, + charlie: {dave: 1}, + bob: {dave: 1}, + frank: {dave: 1}, + } + + // probabilitySrc is a helper that returns the mission control success + // probability of a forward between two vertices. + probabilitySrc := func(from route.Vertex, to route.Vertex, + amt lnwire.MilliSatoshi, capacity btcutil.Amount) float64 { + + return missionControl[from][to] + } + + // All the probabilities are set to 1. So if we restrict the path length + // to 2 and allow a max of 3 routes, then we expect three paths here. + routes, err := ctx.router.FindBlindedPaths( + dave, 1000, probabilitySrc, &BlindedPathRestrictions{ + MinDistanceFromIntroNode: 2, + NumHops: 2, + MaxNumPaths: 3, + }, + ) + require.NoError(t, err) + require.Len(t, routes, 3) + + // assertPaths checks that the resulting set of paths is equal to the + // expected set and that the order of the paths is correct. + assertPaths := func(paths []*route.Route, expectedPaths []string) { + require.Len(t, paths, len(expectedPaths)) + + var actualPaths []string + for _, path := range paths { + label := getAliasFromPubKey( + path.SourcePubKey, ctx.aliases, + ) + "," + + for _, hop := range path.Hops { + label += getAliasFromPubKey( + hop.PubKeyBytes, ctx.aliases, + ) + "," + } + + actualPaths = append( + actualPaths, strings.TrimRight(label, ","), + ) + } + + for i, path := range expectedPaths { + require.Equal(t, expectedPaths[i], path) + } + } + + // Now, let's lower the MC probability of the B-D to 0.5 and F-D link to + // 0.25. We will leave the MaxNumPaths as 3 and so all paths should + // still be returned but the order should be: + // 1) A -> C -> D + // 2) A -> B -> D + // 3) A -> F -> D + missionControl[bob][dave] = 0.5 + missionControl[frank][dave] = 0.25 + routes, err = ctx.router.FindBlindedPaths( + dave, 1000, probabilitySrc, &BlindedPathRestrictions{ + MinDistanceFromIntroNode: 2, + NumHops: 2, + MaxNumPaths: 3, + }, + ) + require.NoError(t, err) + assertPaths(routes, []string{ + "alice,charlie,dave", + "alice,bob,dave", + "alice,frank,dave", + }) + + // Just to show that the above result was not a fluke, let's change + // the C->D link to be the weak one. + missionControl[charlie][dave] = 0.125 + routes, err = ctx.router.FindBlindedPaths( + dave, 1000, probabilitySrc, &BlindedPathRestrictions{ + MinDistanceFromIntroNode: 2, + NumHops: 2, + MaxNumPaths: 3, + }, + ) + require.NoError(t, err) + assertPaths(routes, []string{ + "alice,bob,dave", + "alice,frank,dave", + "alice,charlie,dave", + }) + + // Change the MaxNumPaths to 1 to assert that only the best route is + // returned. + routes, err = ctx.router.FindBlindedPaths( + dave, 1000, probabilitySrc, &BlindedPathRestrictions{ + MinDistanceFromIntroNode: 2, + NumHops: 2, + MaxNumPaths: 1, + }, + ) + require.NoError(t, err) + assertPaths(routes, []string{ + "alice,bob,dave", + }) + + // Test the edge case where Dave, the recipient, is also the + // introduction node. + routes, err = ctx.router.FindBlindedPaths( + dave, 1000, probabilitySrc, &BlindedPathRestrictions{ + MinDistanceFromIntroNode: 0, + NumHops: 0, + MaxNumPaths: 1, + }, + ) + require.NoError(t, err) + assertPaths(routes, []string{ + "dave", + }) + + // Finally, we make one of the routes have a probability less than the + // minimum. This means we expect that route not to be chosen. + missionControl[charlie][dave] = DefaultMinRouteProbability + routes, err = ctx.router.FindBlindedPaths( + dave, 1000, probabilitySrc, &BlindedPathRestrictions{ + MinDistanceFromIntroNode: 2, + NumHops: 2, + MaxNumPaths: 3, + }, + ) + require.NoError(t, err) + assertPaths(routes, []string{ + "alice,bob,dave", + "alice,frank,dave", + }) +} From de975334cdfdf1e422d3c6eb52cc2baa00d70ead Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 5 May 2024 14:07:15 +0200 Subject: [PATCH 160/343] multi: add blinded paths to invoices Expose the ability to add blinded paths to an invoice. Also expose various configuration values. We also let the lncfg.Invoices struct satisfy the Validator interface so that we can verify all its config values in one place. --- config.go | 20 +- lncfg/invoices.go | 90 +- lncfg/log.go | 32 + lnrpc/invoicesrpc/invoices.swagger.json | 4 + lnrpc/lightning.pb.go | 2309 ++++++++++++----------- lnrpc/lightning.proto | 6 + lnrpc/lightning.swagger.json | 4 + log.go | 2 + rpcserver.go | 45 +- sample-lnd.conf | 34 + 10 files changed, 1378 insertions(+), 1168 deletions(-) create mode 100644 lncfg/log.go diff --git a/config.go b/config.go index 8953b6d4b8..33ed0caf77 100644 --- a/config.go +++ b/config.go @@ -680,6 +680,13 @@ func DefaultConfig() Config { }, Invoices: &lncfg.Invoices{ HoldExpiryDelta: lncfg.DefaultHoldInvoiceExpiryDelta, + BlindedPaths: lncfg.BlindedPaths{ + MinNumRealHops: lncfg.DefaultMinNumRealBlindedPathHops, + NumHops: lncfg.DefaultNumBlindedPathHops, + MaxNumPaths: lncfg.DefaultMaxNumBlindedPaths, + PolicyIncreaseMultiplier: lncfg.DefaultBlindedPathPolicyIncreaseMultiplier, + PolicyDecreaseMultiplier: lncfg.DefaultBlindedPathPolicyDecreaseMultiplier, + }, }, MaxOutgoingCltvExpiry: htlcswitch.DefaultMaxOutgoingCltvExpiry, MaxChannelFeeAllocation: htlcswitch.DefaultMaxLinkFeeAllocation, @@ -1656,18 +1663,6 @@ func ValidateConfig(cfg Config, interceptor signal.Interceptor, fileParser, return nil, mkErr("error parsing gossip syncer: %v", err) } - // Log a warning if our expiry delta is not greater than our incoming - // broadcast delta. We do not fail here because this value may be set - // to zero to intentionally keep lnd's behavior unchanged from when we - // didn't auto-cancel these invoices. - if cfg.Invoices.HoldExpiryDelta <= lncfg.DefaultIncomingBroadcastDelta { - ltndLog.Warnf("Invoice hold expiry delta: %v <= incoming "+ - "delta: %v, accepted hold invoices will force close "+ - "channels if they are not canceled manually", - cfg.Invoices.HoldExpiryDelta, - lncfg.DefaultIncomingBroadcastDelta) - } - // If the experimental protocol options specify any protocol messages // that we want to handle as custom messages, set them now. customMsg := cfg.ProtocolOptions.CustomMessageOverrides() @@ -1690,6 +1685,7 @@ func ValidateConfig(cfg Config, interceptor signal.Interceptor, fileParser, cfg.RemoteSigner, cfg.Sweeper, cfg.Htlcswitch, + cfg.Invoices, ) if err != nil { return nil, err diff --git a/lncfg/invoices.go b/lncfg/invoices.go index bdd104186b..6f92d56b56 100644 --- a/lncfg/invoices.go +++ b/lncfg/invoices.go @@ -1,14 +1,94 @@ package lncfg -// DefaultHoldInvoiceExpiryDelta defines the number of blocks before the expiry -// height of a hold invoice's htlc that lnd will automatically cancel the -// invoice to prevent the channel from force closing. This value *must* be -// greater than DefaultIncomingBroadcastDelta to prevent force closes. -const DefaultHoldInvoiceExpiryDelta = DefaultIncomingBroadcastDelta + 2 +import "fmt" + +const ( + // DefaultHoldInvoiceExpiryDelta defines the number of blocks before the + // expiry height of a hold invoice's htlc that lnd will automatically + // cancel the invoice to prevent the channel from force closing. This + // value *must* be greater than DefaultIncomingBroadcastDelta to prevent + // force closes. + DefaultHoldInvoiceExpiryDelta = DefaultIncomingBroadcastDelta + 2 + + // DefaultMinNumRealBlindedPathHops is the minimum number of _real_ + // hops to include in a blinded payment path. This doesn't include our + // node (the destination node), so if the minimum is 1, then the path + // will contain at minimum our node along with an introduction node hop. + DefaultMinNumRealBlindedPathHops = 1 + + // DefaultNumBlindedPathHops is the number of hops to include in a + // blinded payment path. If paths shorter than this number are found, + // then dummy hops are used to pad the path to this length. + DefaultNumBlindedPathHops = 2 + + // DefaultMaxNumBlindedPaths is the maximum number of different blinded + // payment paths to include in an invoice. + DefaultMaxNumBlindedPaths = 3 + + // DefaultBlindedPathPolicyIncreaseMultiplier is the default multiplier + // used to increase certain blinded hop policy values in order to add + // a probing buffer. + DefaultBlindedPathPolicyIncreaseMultiplier = 1.1 + + // DefaultBlindedPathPolicyDecreaseMultiplier is the default multiplier + // used to decrease certain blinded hop policy values in order to add a + // probing buffer. + DefaultBlindedPathPolicyDecreaseMultiplier = 0.9 +) // Invoices holds the configuration options for invoices. // //nolint:lll type Invoices struct { HoldExpiryDelta uint32 `long:"holdexpirydelta" description:"The number of blocks before a hold invoice's htlc expires that the invoice should be canceled to prevent a force close. Force closes will not be prevented if this value is not greater than DefaultIncomingBroadcastDelta."` + + BlindedPaths BlindedPaths `group:"blinding" namespace:"blinding"` +} + +// BlindedPaths holds the configuration options for blinded paths added to +// invoices. +// +//nolint:lll +type BlindedPaths struct { + MinNumRealHops uint8 `long:"min-num-real-hops" description:"The minimum number of real hops to include in a blinded path. This doesn't include our node, so if the minimum is 1, then the path will contain at minimum our node along with an introduction node hop. If it is zero then the shortest path will use our node as an introduction node."` + NumHops uint8 `long:"num-hops" description:"The number of hops to include in a blinded path. This doesn't include our node, so if it is 1, then the path will contain our node along with an introduction node or dummy node hop. If paths shorter than NumHops is found, then they will be padded using dummy hops."` + MaxNumPaths uint8 `long:"max-num-paths" description:"The maximum number of blinded paths to select and add to an invoice."` + PolicyIncreaseMultiplier float64 `long:"policy-increase-multiplier" description:"The amount by which to increase certain policy values of hops on a blinded path in order to add a probing buffer."` + PolicyDecreaseMultiplier float64 `long:"policy-decrease-multiplier" description:"The amount by which to decrease certain policy values of hops on a blinded path in order to add a probing buffer."` +} + +// Validate checks that the various invoice config options are sane. +// +// NOTE: this is part of the Validator interface. +func (i *Invoices) Validate() error { + // Log a warning if our expiry delta is not greater than our incoming + // broadcast delta. We do not fail here because this value may be set + // to zero to intentionally keep lnd's behavior unchanged from when we + // didn't auto-cancel these invoices. + if i.HoldExpiryDelta <= DefaultIncomingBroadcastDelta { + log.Warnf("Invoice hold expiry delta: %v <= incoming "+ + "delta: %v, accepted hold invoices will force close "+ + "channels if they are not canceled manually", + i.HoldExpiryDelta, DefaultIncomingBroadcastDelta) + } + + if i.BlindedPaths.MinNumRealHops > i.BlindedPaths.NumHops { + return fmt.Errorf("the minimum number of real hops in a " + + "blinded path must be smaller than or equal to the " + + "number of hops expected to be included in each path") + } + + if i.BlindedPaths.PolicyIncreaseMultiplier < 1 { + return fmt.Errorf("the blinded route policy increase " + + "multiplier must be greater than or equal to 1") + } + + if i.BlindedPaths.PolicyDecreaseMultiplier > 1 || + i.BlindedPaths.PolicyDecreaseMultiplier < 0 { + + return fmt.Errorf("the blinded route policy decrease " + + "multiplier must be in the range (0,1]") + } + + return nil } diff --git a/lncfg/log.go b/lncfg/log.go new file mode 100644 index 0000000000..a22a215daf --- /dev/null +++ b/lncfg/log.go @@ -0,0 +1,32 @@ +package lncfg + +import ( + "github.com/btcsuite/btclog" + "github.com/lightningnetwork/lnd/build" +) + +// log is a logger that is initialized with no output filters. This +// means the package will not perform any logging by default until the caller +// requests it. +var log btclog.Logger + +// Subsystem defines the logging code for this subsystem. +const Subsystem = "CNFG" + +// The default amount of logging is none. +func init() { + UseLogger(build.NewSubLogger(Subsystem, nil)) +} + +// DisableLog disables all library log output. Logging output is disabled +// by default until UseLogger is called. +func DisableLog() { + UseLogger(btclog.Disabled) +} + +// UseLogger uses a specified Logger to output package logging info. +// This should be used in preference to SetLogWriter if the caller is also +// using btclog. +func UseLogger(logger btclog.Logger) { + log = logger +} diff --git a/lnrpc/invoicesrpc/invoices.swagger.json b/lnrpc/invoicesrpc/invoices.swagger.json index b54d9fb38e..0e2a942e98 100644 --- a/lnrpc/invoicesrpc/invoices.swagger.json +++ b/lnrpc/invoicesrpc/invoices.swagger.json @@ -578,6 +578,10 @@ }, "description": "Maps a 32-byte hex-encoded set ID to the sub-invoice AMP state for the\ngiven set ID. This field is always populated for AMP invoices, and can be\nused along side LookupInvoice to obtain the HTLC information related to a\ngiven sub-invoice.\nNote: Output only, don't specify for creating an invoice.", "title": "[EXPERIMENTAL]:" + }, + "blind": { + "type": "boolean", + "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." } } }, diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index 3cd5d9767d..ebf76383a4 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -12534,6 +12534,9 @@ type Invoice struct { // given sub-invoice. // Note: Output only, don't specify for creating an invoice. AmpInvoiceState map[string]*AMPInvoiceState `protobuf:"bytes,28,rep,name=amp_invoice_state,json=ampInvoiceState,proto3" json:"amp_invoice_state,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` + // Signals that the invoice should include blinded paths to hide the true + // identity of the recipient. + Blind bool `protobuf:"varint,29,opt,name=blind,proto3" json:"blind,omitempty"` } func (x *Invoice) Reset() { @@ -12759,6 +12762,13 @@ func (x *Invoice) GetAmpInvoiceState() map[string]*AMPInvoiceState { return nil } +func (x *Invoice) GetBlind() bool { + if x != nil { + return x.Blind + } + return false +} + // Details of an HTLC that paid to an invoice type InvoiceHTLC struct { state protoimpl.MessageState @@ -19908,7 +19918,7 @@ var file_lightning_proto_rawDesc = []byte{ 0x52, 0x0a, 0x73, 0x65, 0x74, 0x74, 0x6c, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x22, 0x0a, 0x0d, 0x61, 0x6d, 0x74, 0x5f, 0x70, 0x61, 0x69, 0x64, 0x5f, 0x6d, 0x73, 0x61, 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0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x4c, 0x69, 0x73, 0x74, 0x41, 0x6c, + 0x69, 0x61, 0x73, 0x65, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1a, 0x2e, 0x6c, + 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x4c, 0x69, 0x73, 0x74, 0x41, 0x6c, 0x69, 0x61, 0x73, 0x65, 0x73, + 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x5f, 0x0a, 0x14, 0x4c, 0x6f, 0x6f, 0x6b, + 0x75, 0x70, 0x48, 0x74, 0x6c, 0x63, 0x52, 0x65, 0x73, 0x6f, 0x6c, 0x75, 0x74, 0x69, 0x6f, 0x6e, + 0x12, 0x22, 0x2e, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x4c, 0x6f, 0x6f, 0x6b, 0x75, 0x70, 0x48, + 0x74, 0x6c, 0x63, 0x52, 0x65, 0x73, 0x6f, 0x6c, 0x75, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x65, 0x71, + 0x75, 0x65, 0x73, 0x74, 0x1a, 0x23, 0x2e, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x4c, 0x6f, 0x6f, + 0x6b, 0x75, 0x70, 0x48, 0x74, 0x6c, 0x63, 0x52, 0x65, 0x73, 0x6f, 0x6c, 0x75, 0x74, 0x69, 0x6f, + 0x6e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x27, 0x5a, 0x25, 0x67, 0x69, 0x74, + 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x6e, 0x69, 0x6e, + 0x67, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x2f, 0x6c, 0x6e, 0x64, 0x2f, 0x6c, 0x6e, 0x72, + 0x70, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33, } var ( diff --git a/lnrpc/lightning.proto b/lnrpc/lightning.proto index 5b912e9c00..dae0bb607b 100644 --- a/lnrpc/lightning.proto +++ b/lnrpc/lightning.proto @@ -3836,6 +3836,12 @@ message Invoice { Note: Output only, don't specify for creating an invoice. */ map amp_invoice_state = 28; + + /* + Signals that the invoice should include blinded paths to hide the true + identity of the recipient. + */ + bool blind = 29; } enum InvoiceHTLCState { diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index a0c6761ffd..b4971aedfb 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -5490,6 +5490,10 @@ }, "description": "Maps a 32-byte hex-encoded set ID to the sub-invoice AMP state for the\ngiven set ID. This field is always populated for AMP invoices, and can be\nused along side LookupInvoice to obtain the HTLC information related to a\ngiven sub-invoice.\nNote: Output only, don't specify for creating an invoice.", "title": "[EXPERIMENTAL]:" + }, + "blind": { + "type": "boolean", + "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." } } }, diff --git a/log.go b/log.go index 9067a4a36c..fd18d1c590 100644 --- a/log.go +++ b/log.go @@ -22,6 +22,7 @@ import ( "github.com/lightningnetwork/lnd/healthcheck" "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/invoices" + "github.com/lightningnetwork/lnd/lncfg" "github.com/lightningnetwork/lnd/lnrpc/autopilotrpc" "github.com/lightningnetwork/lnd/lnrpc/chainrpc" "github.com/lightningnetwork/lnd/lnrpc/devrpc" @@ -181,6 +182,7 @@ func SetupLoggers(root *build.RotatingLogWriter, interceptor signal.Interceptor) AddSubLogger(root, rpcwallet.Subsystem, interceptor, rpcwallet.UseLogger) AddSubLogger(root, peersrpc.Subsystem, interceptor, peersrpc.UseLogger) AddSubLogger(root, graph.Subsystem, interceptor, graph.UseLogger) + AddSubLogger(root, lncfg.Subsystem, interceptor, lncfg.UseLogger) } // AddSubLogger is a helper method to conveniently create and register the diff --git a/rpcserver.go b/rpcserver.go index ac10fc790c..e838afcd1e 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5743,6 +5743,13 @@ func (r *rpcServer) AddInvoice(ctx context.Context, defaultDelta := r.cfg.Bitcoin.TimeLockDelta + blindingRestrictions := &routing.BlindedPathRestrictions{ + MinDistanceFromIntroNode: r.server.cfg.Invoices.BlindedPaths. + MinNumRealHops, + NumHops: r.server.cfg.Invoices.BlindedPaths.NumHops, + MaxNumPaths: r.server.cfg.Invoices.BlindedPaths.MaxNumPaths, + } + addInvoiceCfg := &invoicesrpc.AddInvoiceConfig{ AddInvoice: r.server.invoices.AddInvoice, IsChannelActive: r.server.htlcSwitch.HasActiveLink, @@ -5752,12 +5759,45 @@ func (r *rpcServer) AddInvoice(ctx context.Context, ChanDB: r.server.chanStateDB, Graph: r.server.graphDB, GenInvoiceFeatures: func() *lnwire.FeatureVector { - return r.server.featureMgr.Get(feature.SetInvoice) + v := r.server.featureMgr.Get(feature.SetInvoice) + + if invoice.Blind { + // If an invoice includes blinded paths, then a + // payment address is not required since we use + // the PathID in the final hop's encrypted data + // as equivalent to the payment address + v.Unset(lnwire.PaymentAddrRequired) + v.Set(lnwire.PaymentAddrOptional) + + // The invoice payer will also need to + // understand the new BOLT 11 tagged field + // containing the blinded path, so we switch + // the bit to required. + v.Unset(lnwire.Bolt11BlindedPathsOptional) + v.Set(lnwire.Bolt11BlindedPathsRequired) + } + + return v }, GenAmpInvoiceFeatures: func() *lnwire.FeatureVector { return r.server.featureMgr.Get(feature.SetInvoiceAmp) }, - GetAlias: r.server.aliasMgr.GetPeerAlias, + GetAlias: r.server.aliasMgr.GetPeerAlias, + BestHeight: r.server.cc.BestBlockTracker.BestHeight, + BlindedRoutePolicyIncrMultiplier: r.server.cfg.Invoices. + BlindedPaths.PolicyIncreaseMultiplier, + BlindedRoutePolicyDecrMultiplier: r.server.cfg.Invoices. + BlindedPaths.PolicyDecreaseMultiplier, + QueryBlindedRoutes: func(amt lnwire.MilliSatoshi) ( + []*route.Route, error) { + + return r.server.chanRouter.FindBlindedPaths( + r.selfNode, amt, + r.server.missionControl.GetProbability, + blindingRestrictions, + ) + }, + MinNumHops: r.server.cfg.Invoices.BlindedPaths.NumHops, } value, err := lnrpc.UnmarshallAmt(invoice.Value, invoice.ValueMsat) @@ -5780,6 +5820,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, Private: invoice.Private, RouteHints: routeHints, Amp: invoice.IsAmp, + Blind: invoice.Blind, } if invoice.RPreimage != nil { diff --git a/sample-lnd.conf b/sample-lnd.conf index d133adfd3e..ea92478d99 100644 --- a/sample-lnd.conf +++ b/sample-lnd.conf @@ -1649,6 +1649,40 @@ ; enough to prevent force closes. ; invoices.holdexpirydelta=12 +; The minimum number of real (non-dummy) blinded hops to select for a blinded +; path. This doesn't include our node, so if the maximum is 1, then the +; shortest paths will contain our node along with an introduction node hop. +; invoices.blinding.min-num-real-hops=1 + +; The number of hops to include in a blinded path. This does not include +; our node, so if is is 1, then the path will at least contain our node along +; with an introduction node hop. If it is 0, then it will use this node as +; the introduction node. This number must be greater than or equal to the +; the number of real hops (invoices.blinding.min-num-real-hops). Any paths +; shorter than this number will be padded with dummy hops. +; invoices.blinding.num-hops=2 + +; The maximum number of blinded paths to select and add to an invoice. +; invoices.blinding.max-num-paths=3 + +; The amount by which to increase certain policy values of hops on a blinded +; path in order to add a probing buffer. The higher this multiplier, the more +; buffer is added to the policy values of hops along a blinded path meaning +; that if they were to increase their policy values before the blinded path +; expires, the better the chances that the path would still be valid meaning +; that the path is less prone to probing attacks. However, if the multiplier +; is too high, the resulting buffered fees might be too much for the payer. +; invoices.blinding.policy-increase-multiplier=1.1 + +; The amount by which to decrease certain policy values of hops on a blinded +; path in order to add a probing buffer. The lower this multiplier, the more +; buffer is added to the policy values of hops along a blinded path meaning +; that if they were to increase their policy values before the blinded path +; expires, the better the chances that the path would still be valid meaning +; that the path is less prone to probing attacks. However, since this value +; is being applied to the MaxHTLC value of the route, the lower it is, the +; lower payment amount will need to be. +; invoices.blinding.policy-decrease-multiplier=0.9 [routing] From 18cb7f0b8719667e9b6fdcc0f906e6895736d03e Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 2 Jul 2024 14:47:30 +0200 Subject: [PATCH 161/343] lncli: add --blind option to addinvoice In this commit, we expose the option to create an invoice containing blinded paths to lncli. --- cmd/lncli/cmd_invoice.go | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/cmd/lncli/cmd_invoice.go b/cmd/lncli/cmd_invoice.go index 7eef6f6d17..a9bc57c168 100644 --- a/cmd/lncli/cmd_invoice.go +++ b/cmd/lncli/cmd_invoice.go @@ -82,6 +82,14 @@ var addInvoiceCommand = cli.Command{ Usage: "creates an AMP invoice. If true, preimage " + "should not be set.", }, + cli.BoolFlag{ + Name: "blind", + Usage: "creates an invoice that contains blinded " + + "paths. Note that invoices with blinded " + + "paths will be signed using a random " + + "ephemeral key so as not to reveal the real " + + "node ID of this node.", + }, }, Action: actionDecorator(addInvoice), } @@ -127,6 +135,11 @@ func addInvoice(ctx *cli.Context) error { return fmt.Errorf("unable to parse description_hash: %w", err) } + if ctx.IsSet("private") && ctx.IsSet("blind") { + return fmt.Errorf("cannot include both route hints and " + + "blinded paths in the same invoice") + } + invoice := &lnrpc.Invoice{ Memo: ctx.String("memo"), RPreimage: preimage, @@ -138,6 +151,7 @@ func addInvoice(ctx *cli.Context) error { CltvExpiry: ctx.Uint64("cltv_expiry_delta"), Private: ctx.Bool("private"), IsAmp: ctx.Bool("amp"), + Blind: ctx.Bool("blind"), } resp, err := client.AddInvoice(ctxc, invoice) From a15e4bb55f9eff93c2263838641289229d50f034 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 5 Jul 2024 09:19:01 +0200 Subject: [PATCH 162/343] refactor+htlcswitch: method for TLV payload parsing logic In preparation for calling the TLV payload parsing logic recursively for when we need to peel dummy hops from an onion, this commit creates a new extractTLVPayload function. This is a pure refactor. --- htlcswitch/hop/iterator.go | 117 ++++++++++++++++++-------------- htlcswitch/hop/iterator_test.go | 1 - 2 files changed, 65 insertions(+), 53 deletions(-) diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index 5ef8708748..4d9ee95b08 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -173,59 +173,80 @@ func (r *sphinxHopIterator) HopPayload() (*Payload, RouteRole, error) { // Otherwise, if this is the TLV payload, then we'll make a new stream // to decode only what we need to make routing decisions. case sphinx.PayloadTLV: - isFinal := r.processedPacket.Action == sphinx.ExitNode - payload, parsed, err := ParseTLVPayload( - bytes.NewReader(r.processedPacket.Payload.Payload), - ) - if err != nil { - // If we couldn't even parse our payload then we do - // a best-effort of determining our role in a blinded - // route, accepting that we can't know whether we - // were the introduction node (as the payload - // is not parseable). - routeRole := RouteRoleCleartext - if r.blindingKit.UpdateAddBlinding.IsSome() { - routeRole = RouteRoleRelaying - } + return extractTLVPayload(r) - return nil, routeRole, err - } + default: + return nil, RouteRoleCleartext, + fmt.Errorf("unknown sphinx payload type: %v", + r.processedPacket.Payload.Type) + } +} - // Now that we've parsed our payload we can determine which - // role we're playing in the route. - _, payloadBlinding := parsed[record.BlindingPointOnionType] - routeRole := NewRouteRole( - r.blindingKit.UpdateAddBlinding.IsSome(), - payloadBlinding, - ) +// extractTLVPayload parses the hop payload and assumes that it uses the TLV +// format. It returns the parsed payload along with the RouteRole that this hop +// plays given the contents of the payload. +func extractTLVPayload(r *sphinxHopIterator) (*Payload, RouteRole, error) { + isFinal := r.processedPacket.Action == sphinx.ExitNode - if err := ValidateTLVPayload( - parsed, isFinal, - r.blindingKit.UpdateAddBlinding.IsSome(), - ); err != nil { - return nil, routeRole, err + // Extract TLVs from the packet constructor (the sender). + payload, parsed, err := ParseTLVPayload( + bytes.NewReader(r.processedPacket.Payload.Payload), + ) + if err != nil { + // If we couldn't even parse our payload then we do a + // best-effort of determining our role in a blinded route, + // accepting that we can't know whether we were the introduction + // node (as the payload is not parseable). + routeRole := RouteRoleCleartext + if r.blindingKit.UpdateAddBlinding.IsSome() { + routeRole = RouteRoleRelaying } - // If we had an encrypted data payload present, pull out our - // forwarding info from the blob. - if payload.encryptedData != nil { - fwdInfo, err := r.blindingKit.DecryptAndValidateFwdInfo( - payload, isFinal, parsed, - ) - if err != nil { - return nil, routeRole, err - } + return nil, routeRole, err + } - payload.FwdInfo = *fwdInfo - } + // Now that we've parsed our payload we can determine which role we're + // playing in the route. + _, payloadBlinding := parsed[record.BlindingPointOnionType] + routeRole := NewRouteRole( + r.blindingKit.UpdateAddBlinding.IsSome(), payloadBlinding, + ) + // Validate the presence of the various payload fields we received from + // the sender. + if err := ValidateTLVPayload( + parsed, isFinal, r.blindingKit.UpdateAddBlinding.IsSome(), + ); err != nil { + return nil, routeRole, err + } + + // If there is no encrypted data from the receiver then return the + // payload as is since the forwarding info would have been received + // from the sender. + if payload.encryptedData != nil { return payload, routeRole, nil + } - default: - return nil, RouteRoleCleartext, - fmt.Errorf("unknown sphinx payload type: %v", - r.processedPacket.Payload.Type) + // Validate the presence of various fields in the sender payload given + // that we now know that this is a hop with instructions from the + // recipient. + err = ValidatePayloadWithBlinded(isFinal, parsed) + if err != nil { + return payload, routeRole, err } + + // If we had an encrypted data payload present, pull out our forwarding + // info from the blob. + fwdInfo, err := r.blindingKit.DecryptAndValidateFwdInfo( + payload, isFinal, + ) + if err != nil { + return nil, routeRole, err + } + + payload.FwdInfo = *fwdInfo + + return payload, routeRole, nil } // ExtractErrorEncrypter decodes and returns the ErrorEncrypter for this hop, @@ -327,8 +348,7 @@ func (b *BlindingKit) getBlindingPoint(payloadBlinding *btcec.PublicKey) ( // DecryptAndValidateFwdInfo performs all operations required to decrypt and // validate a blinded route. func (b *BlindingKit) DecryptAndValidateFwdInfo(payload *Payload, - isFinalHop bool, payloadParsed map[tlv.Type][]byte) ( - *ForwardingInfo, error) { + isFinalHop bool) (*ForwardingInfo, error) { // We expect this function to be called when we have encrypted data // present, and expect validation to already have ensured that a @@ -354,13 +374,6 @@ func (b *BlindingKit) DecryptAndValidateFwdInfo(payload *Payload, ErrDecodeFailed, err) } - // Validate the contents of the payload against the values we've - // just pulled out of the encrypted data blob. - err = ValidatePayloadWithBlinded(isFinalHop, payloadParsed) - if err != nil { - return nil, err - } - // Validate the data in the blinded route against our incoming htlc's // information. if err := ValidateBlindedRouteData( diff --git a/htlcswitch/hop/iterator_test.go b/htlcswitch/hop/iterator_test.go index d99f1de245..62df544125 100644 --- a/htlcswitch/hop/iterator_test.go +++ b/htlcswitch/hop/iterator_test.go @@ -287,7 +287,6 @@ func TestDecryptAndValidateFwdInfo(t *testing.T) { encryptedData: testCase.data, blindingPoint: testCase.payloadBlinding, }, false, - make(map[tlv.Type][]byte), ) require.ErrorIs(t, err, testCase.expectedErr) }) From 55c25f427f72237930d2bcb2ffff6b687e65c31b Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Jul 2024 10:44:49 +0200 Subject: [PATCH 163/343] htlcswitch+refactor: continue modularising extractTLVPayload In this refactor commit, we extract all the steps from extractTLVPayload that have to do with parsing the payload from the sender and verifying the presence of various fields from the sender. --- htlcswitch/hop/iterator.go | 78 ++++++++++++++++++++++++-------------- 1 file changed, 50 insertions(+), 28 deletions(-) diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index 4d9ee95b08..aca562b03e 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -188,65 +188,87 @@ func (r *sphinxHopIterator) HopPayload() (*Payload, RouteRole, error) { func extractTLVPayload(r *sphinxHopIterator) (*Payload, RouteRole, error) { isFinal := r.processedPacket.Action == sphinx.ExitNode - // Extract TLVs from the packet constructor (the sender). - payload, parsed, err := ParseTLVPayload( - bytes.NewReader(r.processedPacket.Payload.Payload), + // Initial payload parsing and validation + payload, routeRole, recipientData, err := parseAndValidateSenderPayload( + r.processedPacket.Payload.Payload, isFinal, + r.blindingKit.UpdateAddBlinding.IsSome(), ) + if err != nil { + return nil, routeRole, err + } + + // If the payload contained no recipient data, then we can exit now. + if !recipientData { + return payload, routeRole, nil + } + + // If we had an encrypted data payload present, pull out our forwarding + // info from the blob. + fwdInfo, err := r.blindingKit.DecryptAndValidateFwdInfo( + payload, isFinal, + ) + if err != nil { + return nil, routeRole, err + } + + payload.FwdInfo = *fwdInfo + + return payload, routeRole, nil +} + +// parseAndValidateSenderPayload parses the payload bytes received from the +// onion constructor (the sender) and validates that various fields have been +// set. It also uses the presence of a blinding key in either the +// update_add_htlc message or in the payload to determine the RouteRole. +// The RouteRole is returned even if an error is returned. The boolean return +// value indicates that the sender payload includes encrypted data from the +// recipient that should be parsed. +func parseAndValidateSenderPayload(payloadBytes []byte, isFinalHop, + updateAddBlindingSet bool) (*Payload, RouteRole, bool, error) { + + // Extract TLVs from the packet constructor (the sender). + payload, parsed, err := ParseTLVPayload(bytes.NewReader(payloadBytes)) if err != nil { // If we couldn't even parse our payload then we do a // best-effort of determining our role in a blinded route, // accepting that we can't know whether we were the introduction // node (as the payload is not parseable). routeRole := RouteRoleCleartext - if r.blindingKit.UpdateAddBlinding.IsSome() { + if updateAddBlindingSet { routeRole = RouteRoleRelaying } - return nil, routeRole, err + return nil, routeRole, false, err } // Now that we've parsed our payload we can determine which role we're // playing in the route. _, payloadBlinding := parsed[record.BlindingPointOnionType] - routeRole := NewRouteRole( - r.blindingKit.UpdateAddBlinding.IsSome(), payloadBlinding, - ) + routeRole := NewRouteRole(updateAddBlindingSet, payloadBlinding) // Validate the presence of the various payload fields we received from // the sender. - if err := ValidateTLVPayload( - parsed, isFinal, r.blindingKit.UpdateAddBlinding.IsSome(), - ); err != nil { - return nil, routeRole, err + err = ValidateTLVPayload(parsed, isFinalHop, updateAddBlindingSet) + if err != nil { + return nil, routeRole, false, err } // If there is no encrypted data from the receiver then return the // payload as is since the forwarding info would have been received // from the sender. - if payload.encryptedData != nil { - return payload, routeRole, nil + if payload.encryptedData == nil { + return payload, routeRole, false, nil } // Validate the presence of various fields in the sender payload given // that we now know that this is a hop with instructions from the // recipient. - err = ValidatePayloadWithBlinded(isFinal, parsed) + err = ValidatePayloadWithBlinded(isFinalHop, parsed) if err != nil { - return payload, routeRole, err + return payload, routeRole, true, err } - // If we had an encrypted data payload present, pull out our forwarding - // info from the blob. - fwdInfo, err := r.blindingKit.DecryptAndValidateFwdInfo( - payload, isFinal, - ) - if err != nil { - return nil, routeRole, err - } - - payload.FwdInfo = *fwdInfo - - return payload, routeRole, nil + return payload, routeRole, true, nil } // ExtractErrorEncrypter decodes and returns the ErrorEncrypter for this hop, From c1c2e1c6ce4ff02fc5032b604f05b6cbb3468439 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Jul 2024 10:59:22 +0200 Subject: [PATCH 164/343] htlcswitch+refactor: continue modularising extractTLVPayload We further break up the extracTLVPayload into more modular pieces. The pieces are structured in such a way as to prepare for extracTLVPayload being called in a recursive manner from within `deriveBlindedRouteForwardingInfo` when we add the logic for handling dummy hops in a later commit. With this refactor, we completey remove the BlindingKit's DecryptAndValidateFwdInfo method. --- htlcswitch/hop/iterator.go | 229 +++++++++++++++++--------------- htlcswitch/hop/iterator_test.go | 14 +- 2 files changed, 129 insertions(+), 114 deletions(-) diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index aca562b03e..0a6065c82e 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -202,20 +202,135 @@ func extractTLVPayload(r *sphinxHopIterator) (*Payload, RouteRole, error) { return payload, routeRole, nil } - // If we had an encrypted data payload present, pull out our forwarding - // info from the blob. - fwdInfo, err := r.blindingKit.DecryptAndValidateFwdInfo( - payload, isFinal, + return parseAndValidateRecipientData(r, payload, isFinal, routeRole) +} + +// parseAndValidateRecipientData decrypts the payload from the recipient and +// then continues handling and validation based on if we are a forwarding node +// in this blinded path or the final destination node. +func parseAndValidateRecipientData(r *sphinxHopIterator, payload *Payload, + isFinal bool, routeRole RouteRole) (*Payload, RouteRole, error) { + + // Decrypt and validate the blinded route data + routeData, blindingPoint, err := decryptAndValidateBlindedRouteData( + r, payload, + ) + if err != nil { + return nil, routeRole, err + } + + // Exit early if this onion is for the exit hop of the route since + // route blinding receives are not yet supported. + if isFinal { + return nil, routeRole, fmt.Errorf("being the final hop in a " + + "blinded path is not yet supported") + } + + // Else, we are a forwarding node in this blinded path. + return deriveBlindedRouteForwardingInfo( + r, routeData, payload, routeRole, blindingPoint, + ) +} + +// deriveBlindedRouteForwardingInfo uses the parsed BlindedRouteData from the +// recipient to derive the ForwardingInfo for the payment. +func deriveBlindedRouteForwardingInfo(r *sphinxHopIterator, + routeData *record.BlindedRouteData, payload *Payload, + routeRole RouteRole, blindingPoint *btcec.PublicKey) (*Payload, + RouteRole, error) { + + relayInfo, err := routeData.RelayInfo.UnwrapOrErr( + fmt.Errorf("relay info not set for non-final blinded hop"), ) if err != nil { return nil, routeRole, err } - payload.FwdInfo = *fwdInfo + nextSCID, err := routeData.ShortChannelID.UnwrapOrErr( + fmt.Errorf("next SCID not set for non-final blinded hop"), + ) + if err != nil { + return nil, routeRole, err + } + + fwdAmt, err := calculateForwardingAmount( + r.blindingKit.IncomingAmount, relayInfo.Val.BaseFee, + relayInfo.Val.FeeRate, + ) + if err != nil { + return nil, routeRole, err + } + + nextEph, err := routeData.NextBlindingOverride.UnwrapOrFuncErr( + func() (tlv.RecordT[tlv.TlvType8, *btcec.PublicKey], error) { + next, err := r.blindingKit.Processor.NextEphemeral( + blindingPoint, + ) + if err != nil { + return routeData.NextBlindingOverride.Zero(), + err + } + + return tlv.NewPrimitiveRecord[tlv.TlvType8](next), nil + }) + if err != nil { + return nil, routeRole, err + } + + payload.FwdInfo = ForwardingInfo{ + NextHop: nextSCID.Val, + AmountToForward: fwdAmt, + OutgoingCTLV: r.blindingKit.IncomingCltv - uint32( + relayInfo.Val.CltvExpiryDelta, + ), + // Remap from blinding override type to blinding point type. + NextBlinding: tlv.SomeRecordT( + tlv.NewPrimitiveRecord[lnwire.BlindingPointTlvType]( + nextEph.Val, + ), + ), + } return payload, routeRole, nil } +// decryptAndValidateBlindedRouteData decrypts the encrypted payload from the +// payment recipient using a blinding key. The incoming HTLC amount and CLTV +// values are then verified against the policy values from the recipient. +func decryptAndValidateBlindedRouteData(r *sphinxHopIterator, + payload *Payload) (*record.BlindedRouteData, *btcec.PublicKey, error) { + + blindingPoint, err := r.blindingKit.getBlindingPoint( + payload.blindingPoint, + ) + if err != nil { + return nil, nil, err + } + + decrypted, err := r.blindingKit.Processor.DecryptBlindedHopData( + blindingPoint, payload.encryptedData, + ) + if err != nil { + return nil, nil, fmt.Errorf("decrypt blinded data: %w", err) + } + + buf := bytes.NewBuffer(decrypted) + routeData, err := record.DecodeBlindedRouteData(buf) + if err != nil { + return nil, nil, fmt.Errorf("%w: %w", ErrDecodeFailed, err) + } + + err = ValidateBlindedRouteData( + routeData, r.blindingKit.IncomingAmount, + r.blindingKit.IncomingCltv, + ) + if err != nil { + return nil, nil, err + } + + return routeData, blindingPoint, nil +} + // parseAndValidateSenderPayload parses the payload bytes received from the // onion constructor (the sender) and validates that various fields have been // set. It also uses the presence of a blinding key in either the @@ -367,110 +482,6 @@ func (b *BlindingKit) getBlindingPoint(payloadBlinding *btcec.PublicKey) ( } } -// DecryptAndValidateFwdInfo performs all operations required to decrypt and -// validate a blinded route. -func (b *BlindingKit) DecryptAndValidateFwdInfo(payload *Payload, - isFinalHop bool) (*ForwardingInfo, error) { - - // We expect this function to be called when we have encrypted data - // present, and expect validation to already have ensured that a - // blinding key is set either in the payload or the - // update_add_htlc message. - blindingPoint, err := b.getBlindingPoint(payload.blindingPoint) - if err != nil { - return nil, err - } - - decrypted, err := b.Processor.DecryptBlindedHopData( - blindingPoint, payload.encryptedData, - ) - if err != nil { - return nil, fmt.Errorf("decrypt blinded "+ - "data: %w", err) - } - - buf := bytes.NewBuffer(decrypted) - routeData, err := record.DecodeBlindedRouteData(buf) - if err != nil { - return nil, fmt.Errorf("%w: %w", - ErrDecodeFailed, err) - } - - // Validate the data in the blinded route against our incoming htlc's - // information. - if err := ValidateBlindedRouteData( - routeData, b.IncomingAmount, b.IncomingCltv, - ); err != nil { - return nil, err - } - - // Exit early if this onion is for the exit hop of the route since - // route blinding receives are not yet supported. - if isFinalHop { - return nil, fmt.Errorf("being the final hop in a blinded " + - "path is not yet supported") - } - - // At this point, we know we are a forwarding node for this onion - // and so we expect the relay info and next SCID fields to be set. - relayInfo, err := routeData.RelayInfo.UnwrapOrErr( - fmt.Errorf("relay info not set for non-final blinded hop"), - ) - if err != nil { - return nil, err - } - - nextSCID, err := routeData.ShortChannelID.UnwrapOrErr( - fmt.Errorf("next SCID not set for non-final blinded hop"), - ) - if err != nil { - return nil, err - } - - fwdAmt, err := calculateForwardingAmount( - b.IncomingAmount, relayInfo.Val.BaseFee, relayInfo.Val.FeeRate, - ) - if err != nil { - return nil, err - } - - // If we have an override for the blinding point for the next node, - // we'll just use it without tweaking (the sender intended to switch - // out directly for this blinding point). Otherwise, we'll tweak our - // blinding point to get the next ephemeral key. - nextEph, err := routeData.NextBlindingOverride.UnwrapOrFuncErr( - func() (tlv.RecordT[tlv.TlvType8, - *btcec.PublicKey], error) { - - next, err := b.Processor.NextEphemeral(blindingPoint) - if err != nil { - // Return a zero record because we expect the - // error to be checked. - return routeData.NextBlindingOverride.Zero(), - err - } - - return tlv.NewPrimitiveRecord[tlv.TlvType8](next), nil - }, - ) - if err != nil { - return nil, err - } - - return &ForwardingInfo{ - NextHop: nextSCID.Val, - AmountToForward: fwdAmt, - OutgoingCTLV: b.IncomingCltv - uint32( - relayInfo.Val.CltvExpiryDelta, - ), - // Remap from blinding override type to blinding point type. - NextBlinding: tlv.SomeRecordT( - tlv.NewPrimitiveRecord[lnwire.BlindingPointTlvType]( - nextEph.Val), - ), - }, nil -} - // calculateForwardingAmount calculates the amount to forward for a blinded // hop based on the incoming amount and forwarding parameters. // diff --git a/htlcswitch/hop/iterator_test.go b/htlcswitch/hop/iterator_test.go index 62df544125..74be6b190d 100644 --- a/htlcswitch/hop/iterator_test.go +++ b/htlcswitch/hop/iterator_test.go @@ -177,11 +177,11 @@ func (m *mockProcessor) NextEphemeral(*btcec.PublicKey) (*btcec.PublicKey, return nil, nil } -// TestDecryptAndValidateFwdInfo tests deriving forwarding info using a +// TestParseAndValidateRecipientData tests deriving forwarding info using a // blinding kit. This test does not cover assertions on the calculations of // forwarding information, because this is covered in a test dedicated to those // calculations. -func TestDecryptAndValidateFwdInfo(t *testing.T) { +func TestParseAndValidateRecipientData(t *testing.T) { t.Parallel() // Encode valid blinding data that we'll fake decrypting for our test. @@ -282,11 +282,15 @@ func TestDecryptAndValidateFwdInfo(t *testing.T) { tlv.NewPrimitiveRecord[lnwire.BlindingPointTlvType](testCase.updateAddBlinding), ) } - _, err := kit.DecryptAndValidateFwdInfo( - &Payload{ + iterator := &sphinxHopIterator{ + blindingKit: kit, + } + + _, _, err = parseAndValidateRecipientData( + iterator, &Payload{ encryptedData: testCase.data, blindingPoint: testCase.payloadBlinding, - }, false, + }, false, RouteRoleCleartext, ) require.ErrorIs(t, err, testCase.expectedErr) }) From 3d9c77d1fcc932fc3cbdb5c8fef6ed360376200c Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Jul 2024 11:20:55 +0200 Subject: [PATCH 165/343] htlcswitch+refactor: add rHash and sphinx.Router to sphinxHopIterator This will be required to construct a new hop iterator for when peeling of dummy hops is done for route blinding. --- htlcswitch/hop/iterator.go | 37 +++++++++++++++++++++++++------------ 1 file changed, 25 insertions(+), 12 deletions(-) diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index 0a6065c82e..01a6a2655d 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -109,7 +109,7 @@ type Iterator interface { // sphinxHopIterator is the Sphinx implementation of hop iterator which uses // onion routing to encode the payment route in such a way so that node might -// see only the next hop in the route.. +// see only the next hop in the route. type sphinxHopIterator struct { // ogPacket is the original packet from which the processed packet is // derived. @@ -123,20 +123,31 @@ type sphinxHopIterator struct { // blindingKit contains the elements required to process hops that are // part of a blinded route. blindingKit BlindingKit + + // rHash holds the payment hash for this payment. This is needed for + // when a new hop iterator is constructed. + rHash []byte + + // router holds the router which can be used to decrypt onion payloads. + // This is required for peeling of dummy hops in a blinded path where + // the same node will iteratively need to unwrap the onion. + router *sphinx.Router } // makeSphinxHopIterator converts a processed packet returned from a sphinx // router and converts it into an hop iterator for usage in the link. A // blinding kit is passed through for the link to obtain forwarding information // for blinded routes. -func makeSphinxHopIterator(ogPacket *sphinx.OnionPacket, - packet *sphinx.ProcessedPacket, - blindingKit BlindingKit) *sphinxHopIterator { +func makeSphinxHopIterator(router *sphinx.Router, ogPacket *sphinx.OnionPacket, + packet *sphinx.ProcessedPacket, blindingKit BlindingKit, + rHash []byte) *sphinxHopIterator { return &sphinxHopIterator{ + router: router, ogPacket: ogPacket, processedPacket: packet, blindingKit: blindingKit, + rHash: rHash, } } @@ -604,12 +615,14 @@ func (p *OnionProcessor) ReconstructHopIterator(r io.Reader, rHash []byte, return nil, err } - return makeSphinxHopIterator(onionPkt, sphinxPacket, BlindingKit{ - Processor: p.router, - UpdateAddBlinding: blindingInfo.BlindingKey, - IncomingAmount: blindingInfo.IncomingAmt, - IncomingCltv: blindingInfo.IncomingExpiry, - }), nil + return makeSphinxHopIterator(p.router, onionPkt, sphinxPacket, + BlindingKit{ + Processor: p.router, + UpdateAddBlinding: blindingInfo.BlindingKey, + IncomingAmount: blindingInfo.IncomingAmt, + IncomingCltv: blindingInfo.IncomingExpiry, + }, rHash, + ), nil } // DecodeHopIteratorRequest encapsulates all date necessary to process an onion @@ -787,12 +800,12 @@ func (p *OnionProcessor) DecodeHopIterators(id []byte, // Finally, construct a hop iterator from our processed sphinx // packet, simultaneously caching the original onion packet. resp.HopIterator = makeSphinxHopIterator( - &onionPkts[i], &packets[i], BlindingKit{ + p.router, &onionPkts[i], &packets[i], BlindingKit{ Processor: p.router, UpdateAddBlinding: reqs[i].BlindingPoint, IncomingAmount: reqs[i].IncomingAmount, IncomingCltv: reqs[i].IncomingCltv, - }, + }, reqs[i].RHash, ) } From b0d3e4dc0d2a9a72eefddb33c588cc7f87929ccd Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sun, 5 May 2024 14:48:50 +0200 Subject: [PATCH 166/343] multi: extract path ID and total amt from received payment We've covered all the logic for building a blinded path to ourselves and putting that into an invoice - so now we start preparing to actually be able to recognise the incoming payment as one from a blinded path we created. The incoming update_add_htlc will have an `encrypted_recipient_data` blob for us that we would have put in the original invoice. From this we extract the PathID which we wrote. We consider this the payment address and we use this to derive the associated invoice location. Blinded path payments will not include MPP records, so the payment address and total payment amount must be gleaned from the pathID and new totalAmtMsat onion field respectively. This commit only covers the final hop payload of a hop in a blinded path. Dummy hops will be handled in the following commit. --- htlcswitch/hop/forwarding_info.go | 6 ++++++ htlcswitch/hop/iterator.go | 35 ++++++++++++++++++++++++++---- htlcswitch/hop/payload.go | 11 ++++++---- htlcswitch/link.go | 3 --- invoices/interface.go | 9 ++++++++ invoices/invoiceregistry.go | 2 ++ invoices/test_utils_test.go | 10 +++++++++ invoices/update.go | 36 +++++++++++++++++++++++++------ 8 files changed, 94 insertions(+), 18 deletions(-) diff --git a/htlcswitch/hop/forwarding_info.go b/htlcswitch/hop/forwarding_info.go index 5a1463c485..92ea541cc3 100644 --- a/htlcswitch/hop/forwarding_info.go +++ b/htlcswitch/hop/forwarding_info.go @@ -1,6 +1,7 @@ package hop import ( + "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/lightningnetwork/lnd/lnwire" ) @@ -27,4 +28,9 @@ type ForwardingInfo struct { // node in UpdateAddHtlc. This field is set if the htlc is part of a // blinded route. NextBlinding lnwire.BlindingPointRecord + + // PathID is a secret identifier that the creator of a blinded path + // sets for itself to ensure that the blinded path has been used in the + // correct context. + PathID *chainhash.Hash } diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index 01a6a2655d..bb3fb12d76 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -8,6 +8,7 @@ import ( "sync" "github.com/btcsuite/btcd/btcec/v2" + "github.com/btcsuite/btcd/chaincfg/chainhash" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" @@ -230,11 +231,11 @@ func parseAndValidateRecipientData(r *sphinxHopIterator, payload *Payload, return nil, routeRole, err } - // Exit early if this onion is for the exit hop of the route since - // route blinding receives are not yet supported. + // This is the final node in the blinded route. if isFinal { - return nil, routeRole, fmt.Errorf("being the final hop in a " + - "blinded path is not yet supported") + return deriveBlindedRouteFinalHopForwardingInfo( + routeData, payload, routeRole, + ) } // Else, we are a forwarding node in this blinded path. @@ -243,6 +244,32 @@ func parseAndValidateRecipientData(r *sphinxHopIterator, payload *Payload, ) } +// deriveBlindedRouteFinalHopForwardingInfo extracts the PathID from the +// routeData and constructs the ForwardingInfo accordingly. +func deriveBlindedRouteFinalHopForwardingInfo( + routeData *record.BlindedRouteData, payload *Payload, + routeRole RouteRole) (*Payload, RouteRole, error) { + + var pathID *chainhash.Hash + routeData.PathID.WhenSome(func(r tlv.RecordT[tlv.TlvType6, []byte]) { + var id chainhash.Hash + copy(id[:], r.Val) + pathID = &id + }) + if pathID == nil { + return nil, routeRole, ErrInvalidPayload{ + Type: tlv.Type(6), + Violation: InsufficientViolation, + } + } + + payload.FwdInfo = ForwardingInfo{ + PathID: pathID, + } + + return payload, routeRole, nil +} + // deriveBlindedRouteForwardingInfo uses the parsed BlindedRouteData from the // recipient to derive the ForwardingInfo for the payment. func deriveBlindedRouteForwardingInfo(r *sphinxHopIterator, diff --git a/htlcswitch/hop/payload.go b/htlcswitch/hop/payload.go index 9e717bbd26..fc456828a5 100644 --- a/htlcswitch/hop/payload.go +++ b/htlcswitch/hop/payload.go @@ -6,6 +6,7 @@ import ( "io" "github.com/btcsuite/btcd/btcec/v2" + "github.com/btcsuite/btcd/chaincfg/chainhash" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" @@ -408,6 +409,12 @@ func (h *Payload) BlindingPoint() *btcec.PublicKey { return h.blindingPoint } +// PathID returns the path ID that was encoded in the final hop payload of a +// blinded payment. +func (h *Payload) PathID() *chainhash.Hash { + return h.FwdInfo.PathID +} + // Metadata returns the additional data that is sent along with the // payment to the payee. func (h *Payload) Metadata() []byte { @@ -460,10 +467,6 @@ func getMinRequiredViolation(set tlv.TypeMap) *tlv.Type { // the route "expires" and a malicious party does not have endless opportunity // to probe the blinded route and compare it to updated channel policies in // the network. -// -// Note that this function only validates blinded route data for forwarding -// nodes, as LND does not yet support receiving via a blinded route (which has -// different validation rules). func ValidateBlindedRouteData(blindedData *record.BlindedRouteData, incomingAmount lnwire.MilliSatoshi, incomingTimelock uint32) error { diff --git a/htlcswitch/link.go b/htlcswitch/link.go index 712bbda9e1..f39a12b2bc 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -3774,9 +3774,6 @@ func (l *channelLink) sendHTLCError(pd *lnwallet.PaymentDescriptor, // that we're not part of a blinded route and an error encrypter that'll be // used if we are the introduction node and need to present an error as if // we're the failing party. -// -// Note: this function does not yet handle special error cases for receiving -// nodes in blinded paths, as LND does not support blinded receives. func (l *channelLink) sendIncomingHTLCFailureMsg(htlcIndex uint64, e hop.ErrorEncrypter, originalFailure lnwire.OpaqueReason) error { diff --git a/invoices/interface.go b/invoices/interface.go index 490db1be56..f48aa37b60 100644 --- a/invoices/interface.go +++ b/invoices/interface.go @@ -4,6 +4,7 @@ import ( "context" "time" + "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwire" @@ -105,6 +106,14 @@ type Payload interface { // Metadata returns the additional data that is sent along with the // payment to the payee. Metadata() []byte + + // PathID returns the path ID encoded in the payload of a blinded + // payment. + PathID() *chainhash.Hash + + // TotalAmtMsat returns the total amount sent to the final hop, as set + // by the payee. + TotalAmtMsat() lnwire.MilliSatoshi } // InvoiceQuery represents a query to the invoice database. The query allows a diff --git a/invoices/invoiceregistry.go b/invoices/invoiceregistry.go index de731b4740..4e2748a0f8 100644 --- a/invoices/invoiceregistry.go +++ b/invoices/invoiceregistry.go @@ -902,6 +902,8 @@ func (i *InvoiceRegistry) NotifyExitHopHtlc(rHash lntypes.Hash, mpp: payload.MultiPath(), amp: payload.AMPRecord(), metadata: payload.Metadata(), + pathID: payload.PathID(), + totalAmtMsat: payload.TotalAmtMsat(), } switch { diff --git a/invoices/test_utils_test.go b/invoices/test_utils_test.go index a0adf7dc8e..ed7bfccddc 100644 --- a/invoices/test_utils_test.go +++ b/invoices/test_utils_test.go @@ -30,6 +30,8 @@ type mockPayload struct { amp *record.AMP customRecords record.CustomSet metadata []byte + pathID *chainhash.Hash + totalAmtMsat lnwire.MilliSatoshi } func (p *mockPayload) MultiPath() *record.MPP { @@ -40,6 +42,14 @@ func (p *mockPayload) AMPRecord() *record.AMP { return p.amp } +func (p *mockPayload) PathID() *chainhash.Hash { + return p.pathID +} + +func (p *mockPayload) TotalAmtMsat() lnwire.MilliSatoshi { + return p.totalAmtMsat +} + func (p *mockPayload) CustomRecords() record.CustomSet { // This function should always return a map instance, but for mock // configuration we do accept nil. diff --git a/invoices/update.go b/invoices/update.go index ed60c278ca..d14bafee08 100644 --- a/invoices/update.go +++ b/invoices/update.go @@ -1,9 +1,11 @@ package invoices import ( + "bytes" "encoding/hex" "errors" + "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/lightningnetwork/lnd/amp" "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwire" @@ -23,12 +25,17 @@ type invoiceUpdateCtx struct { mpp *record.MPP amp *record.AMP metadata []byte + pathID *chainhash.Hash + totalAmtMsat lnwire.MilliSatoshi } // invoiceRef returns an identifier that can be used to lookup or update the // invoice this HTLC is targeting. func (i *invoiceUpdateCtx) invoiceRef() InvoiceRef { switch { + case i.pathID != nil: + return InvoiceRefByHashAndAddr(i.hash, *i.pathID) + case i.amp != nil && i.mpp != nil: payAddr := i.mpp.PaymentAddr() return InvoiceRefByAddr(payAddr) @@ -130,7 +137,7 @@ func updateInvoice(ctx *invoiceUpdateCtx, inv *Invoice) ( // If no MPP payload was provided, then we expect this to be a keysend, // or a payment to an invoice created before we started to require the // MPP payload. - if ctx.mpp == nil { + if ctx.mpp == nil && ctx.pathID == nil { return updateLegacy(ctx, inv) } @@ -158,12 +165,27 @@ func updateMpp(ctx *invoiceUpdateCtx, inv *Invoice) (*InvoiceUpdateDesc, setID := ctx.setID() + var ( + totalAmt = ctx.totalAmtMsat + paymentAddr []byte + ) + // If an MPP record is present, then the payment address and total + // payment amount is extracted from it. Otherwise, the pathID is used + // to extract the payment address. + if ctx.mpp != nil { + totalAmt = ctx.mpp.TotalMsat() + payAddr := ctx.mpp.PaymentAddr() + paymentAddr = payAddr[:] + } else { + paymentAddr = ctx.pathID[:] + } + // Start building the accept descriptor. acceptDesc := &HtlcAcceptDesc{ Amt: ctx.amtPaid, Expiry: ctx.expiry, AcceptHeight: ctx.currentHeight, - MppTotalAmt: ctx.mpp.TotalMsat(), + MppTotalAmt: totalAmt, CustomRecords: ctx.customRecords, } @@ -184,18 +206,18 @@ func updateMpp(ctx *invoiceUpdateCtx, inv *Invoice) (*InvoiceUpdateDesc, } // Check the payment address that authorizes the payment. - if ctx.mpp.PaymentAddr() != inv.Terms.PaymentAddr { + if !bytes.Equal(paymentAddr, inv.Terms.PaymentAddr[:]) { return nil, ctx.failRes(ResultAddressMismatch), nil } // Don't accept zero-valued sets. - if ctx.mpp.TotalMsat() == 0 { + if totalAmt == 0 { return nil, ctx.failRes(ResultHtlcSetTotalTooLow), nil } // Check that the total amt of the htlc set is high enough. In case this // is a zero-valued invoice, it will always be enough. - if ctx.mpp.TotalMsat() < inv.Terms.Value { + if totalAmt < inv.Terms.Value { return nil, ctx.failRes(ResultHtlcSetTotalTooLow), nil } @@ -204,7 +226,7 @@ func updateMpp(ctx *invoiceUpdateCtx, inv *Invoice) (*InvoiceUpdateDesc, // Check whether total amt matches other htlcs in the set. var newSetTotal lnwire.MilliSatoshi for _, htlc := range htlcSet { - if ctx.mpp.TotalMsat() != htlc.MppTotalAmt { + if totalAmt != htlc.MppTotalAmt { return nil, ctx.failRes(ResultHtlcSetTotalMismatch), nil } @@ -238,7 +260,7 @@ func updateMpp(ctx *invoiceUpdateCtx, inv *Invoice) (*InvoiceUpdateDesc, } // If the invoice cannot be settled yet, only record the htlc. - setComplete := newSetTotal >= ctx.mpp.TotalMsat() + setComplete := newSetTotal >= totalAmt if !setComplete { return &update, ctx.acceptRes(resultPartialAccepted), nil } From 65aef6a69cae2fb30d16b200f7256e570307f1ae Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Jul 2024 11:39:11 +0200 Subject: [PATCH 167/343] htlcswitch: handle blinded path dummy hops If a blinded path payload contains a signal that the following hop on the path is a dummy hop, then we iteratively peel the dummy hops until the final payload is reached. --- htlcswitch/hop/iterator.go | 72 +++++++++++++++++++++++++++++---- htlcswitch/hop/iterator_test.go | 7 ++++ 2 files changed, 72 insertions(+), 7 deletions(-) diff --git a/htlcswitch/hop/iterator.go b/htlcswitch/hop/iterator.go index bb3fb12d76..83b5e3f52a 100644 --- a/htlcswitch/hop/iterator.go +++ b/htlcswitch/hop/iterator.go @@ -284,13 +284,6 @@ func deriveBlindedRouteForwardingInfo(r *sphinxHopIterator, return nil, routeRole, err } - nextSCID, err := routeData.ShortChannelID.UnwrapOrErr( - fmt.Errorf("next SCID not set for non-final blinded hop"), - ) - if err != nil { - return nil, routeRole, err - } - fwdAmt, err := calculateForwardingAmount( r.blindingKit.IncomingAmount, relayInfo.Val.BaseFee, relayInfo.Val.FeeRate, @@ -315,6 +308,22 @@ func deriveBlindedRouteForwardingInfo(r *sphinxHopIterator, return nil, routeRole, err } + // If the payload signals that the following hop is a dummy hop, then + // we will iteratively peel the dummy hop until we reach the final + // payload. + if checkForDummyHop(routeData, r.router.OnionPublicKey()) { + return peelBlindedPathDummyHop( + r, uint32(relayInfo.Val.CltvExpiryDelta), fwdAmt, + routeRole, nextEph, + ) + } + + nextSCID, err := routeData.ShortChannelID.UnwrapOrErr( + fmt.Errorf("next SCID not set for non-final blinded hop"), + ) + if err != nil { + return nil, routeRole, err + } payload.FwdInfo = ForwardingInfo{ NextHop: nextSCID.Val, AmountToForward: fwdAmt, @@ -332,6 +341,55 @@ func deriveBlindedRouteForwardingInfo(r *sphinxHopIterator, return payload, routeRole, nil } +// checkForDummyHop returns whether the given BlindedRouteData packet indicates +// the presence of a dummy hop. +func checkForDummyHop(routeData *record.BlindedRouteData, + routerPubKey *btcec.PublicKey) bool { + + var isDummy bool + routeData.NextNodeID.WhenSome( + func(r tlv.RecordT[tlv.TlvType4, *btcec.PublicKey]) { + isDummy = r.Val.IsEqual(routerPubKey) + }, + ) + + return isDummy +} + +// peelBlindedPathDummyHop packages the next onion packet and then constructs +// a new hop iterator using our router and then proceeds to process the next +// packet. This can only be done for blinded route dummy hops since we expect +// to be the final hop on the path. +func peelBlindedPathDummyHop(r *sphinxHopIterator, cltvExpiryDelta uint32, + fwdAmt lnwire.MilliSatoshi, routeRole RouteRole, + nextEph tlv.RecordT[tlv.TlvType8, *btcec.PublicKey]) (*Payload, + RouteRole, error) { + + onionPkt := r.processedPacket.NextPacket + sphinxPacket, err := r.router.ReconstructOnionPacket( + onionPkt, r.rHash, sphinx.WithBlindingPoint(nextEph.Val), + ) + if err != nil { + return nil, routeRole, err + } + + iterator := makeSphinxHopIterator( + r.router, onionPkt, sphinxPacket, BlindingKit{ + Processor: r.router, + UpdateAddBlinding: tlv.SomeRecordT( + tlv.NewPrimitiveRecord[lnwire.BlindingPointTlvType]( //nolint:lll + nextEph.Val, + ), + ), + IncomingAmount: fwdAmt, + IncomingCltv: r.blindingKit.IncomingCltv - + cltvExpiryDelta, + }, r.rHash, + ) + + return extractTLVPayload(iterator) +} + // decryptAndValidateBlindedRouteData decrypts the encrypted payload from the // payment recipient using a blinding key. The incoming HTLC amount and CLTV // values are then verified against the policy values from the recipient. diff --git a/htlcswitch/hop/iterator_test.go b/htlcswitch/hop/iterator_test.go index 74be6b190d..fff9ae17d2 100644 --- a/htlcswitch/hop/iterator_test.go +++ b/htlcswitch/hop/iterator_test.go @@ -206,6 +206,9 @@ func TestParseAndValidateRecipientData(t *testing.T) { // Mocked error. errDecryptFailed := errors.New("could not decrypt") + nodeKey, err := btcec.NewPrivateKey() + require.NoError(t, err) + tests := []struct { name string data []byte @@ -284,6 +287,10 @@ func TestParseAndValidateRecipientData(t *testing.T) { } iterator := &sphinxHopIterator{ blindingKit: kit, + router: sphinx.NewRouter( + &sphinx.PrivKeyECDH{PrivKey: nodeKey}, + sphinx.NewMemoryReplayLog(), + ), } _, _, err = parseAndValidateRecipientData( From 34d8fff5f93e388abd2b255158c5c4bf013338f0 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 6 May 2024 16:27:31 +0200 Subject: [PATCH 168/343] itest: update route blind tests The route blinding itests are now updated so that recipient logic is tested. The creation of a blinded route is also now done through the AddInvoice API instead of manually. --- itest/list_on_test.go | 4 +- itest/lnd_multi-hop-payments_test.go | 8 +- itest/lnd_route_blinding_test.go | 563 ++++++++------------------- lntest/harness_assertion.go | 10 +- 4 files changed, 183 insertions(+), 402 deletions(-) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 3619c22824..606a27794b 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -563,8 +563,8 @@ var allTestCases = []*lntest.TestCase{ TestFunc: testQueryBlindedRoutes, }, { - Name: "forward blinded", - TestFunc: testForwardBlindedRoute, + Name: "forward and receive blinded", + TestFunc: testForwardAndReceiveBlindedRoute, }, { Name: "receiver blinded error", diff --git a/itest/lnd_multi-hop-payments_test.go b/itest/lnd_multi-hop-payments_test.go index ee07d6f8cc..ba7797d7fc 100644 --- a/itest/lnd_multi-hop-payments_test.go +++ b/itest/lnd_multi-hop-payments_test.go @@ -214,24 +214,24 @@ func testMultiHopPayments(ht *lntest.HarnessTest) { // We expect Carol to have successful forwards and settles for // her sends. ht.AssertHtlcEvents( - carolEvents, numPayments, 0, numPayments, + carolEvents, numPayments, 0, numPayments, 0, routerrpc.HtlcEvent_SEND, ) // Dave and Alice should both have forwards and settles for // their role as forwarding nodes. ht.AssertHtlcEvents( - daveEvents, numPayments, 0, numPayments, + daveEvents, numPayments, 0, numPayments, 0, routerrpc.HtlcEvent_FORWARD, ) ht.AssertHtlcEvents( - aliceEvents, numPayments, 0, numPayments, + aliceEvents, numPayments, 0, numPayments, 0, routerrpc.HtlcEvent_FORWARD, ) // Bob should only have settle events for his receives. ht.AssertHtlcEvents( - bobEvents, 0, 0, numPayments, routerrpc.HtlcEvent_RECEIVE, + bobEvents, 0, 0, numPayments, 0, routerrpc.HtlcEvent_RECEIVE, ) // Finally, close all channels. diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 7cddff70b0..f0373a77d3 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1,7 +1,6 @@ package itest import ( - "bytes" "context" "crypto/sha256" "encoding/hex" @@ -10,16 +9,12 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcutil" - sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/chainreg" "github.com/lightningnetwork/lnd/lnrpc" "github.com/lightningnetwork/lnd/lnrpc/routerrpc" "github.com/lightningnetwork/lnd/lntest" "github.com/lightningnetwork/lnd/lntest/node" "github.com/lightningnetwork/lnd/lntypes" - "github.com/lightningnetwork/lnd/lnwire" - "github.com/lightningnetwork/lnd/record" - "github.com/lightningnetwork/lnd/routing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) @@ -273,9 +268,9 @@ func testQueryBlindedRoutes(ht *lntest.HarnessTest) { htlcAttempt := alice.RPC.SendToRouteV2(sendReq) - // Since Carol doesn't understand blinded routes, we expect her to fail - // the payment because the onion payload is invalid (missing amount to - // forward). + // Since Carol won't be able to decrypt the dummy encrypted data + // containing the forwarding information, we expect her to fail the + // payment. require.NotNil(ht, htlcAttempt.Failure) require.Equal(ht, uint32(2), htlcAttempt.Failure.FailureSourceIndex) @@ -347,41 +342,58 @@ func newBlindedForwardTest(ht *lntest.HarnessTest) (context.Context, } } -// setup spins up additional nodes needed for our test and creates a four hop -// network for testing blinded forwarding and returns a blinded route from -// Bob -> Carol -> Dave, with Bob acting as the introduction point and an -// interceptor on Carol's node to manage HTLCs (as Dave does not yet support -// receiving). -func (b *blindedForwardTest) setup( - ctx context.Context) *routing.BlindedPayment { +// setupNetwork spins up additional nodes needed for our test and creates a four +// hop network for testing blinded path logic and an optional interceptor on +// Carol's node for those tests where we want to perhaps prevent the final hop +// from settling. +func (b *blindedForwardTest) setupNetwork(ctx context.Context, + withInterceptor bool) { - b.carol = b.ht.NewNode("Carol", []string{ - "--requireinterceptor", "--bitcoin.timelockdelta=18", - }) + carolArgs := []string{"--bitcoin.timelockdelta=18"} + if withInterceptor { + carolArgs = append(carolArgs, "--requireinterceptor") + } + b.carol = b.ht.NewNode("Carol", carolArgs) - var err error - b.carolInterceptor, err = b.carol.RPC.Router.HtlcInterceptor(ctx) - require.NoError(b.ht, err, "interceptor") + if withInterceptor { + var err error + b.carolInterceptor, err = b.carol.RPC.Router.HtlcInterceptor( + ctx, + ) + require.NoError(b.ht, err, "interceptor") + } + // Restrict Dave so that he only ever creates a single blinded path from + // Bob to himself. b.dave = b.ht.NewNode("Dave", []string{ "--bitcoin.timelockdelta=18", + "--invoices.blinding.min-num-real-hops=2", + "--invoices.blinding.num-hops=2", }) b.channels = setupFourHopNetwork(b.ht, b.carol, b.dave) +} - // Create a blinded route to Dave via Bob --- Carol --- Dave: - bobChan := b.ht.GetChannelByChanPoint(b.ht.Bob, b.channels[1]) - carolChan := b.ht.GetChannelByChanPoint(b.carol, b.channels[2]) - - edges := []*forwardingEdge{ - getForwardingEdge(b.ht, b.ht.Bob, bobChan.ChanId), - getForwardingEdge(b.ht, b.carol, carolChan.ChanId), - } +// buildBlindedPath returns a blinded route from Bob -> Carol -> Dave, with Bob +// acting as the introduction point. +func (b *blindedForwardTest) buildBlindedPath() *lnrpc.BlindedPaymentPath { + // Let Dave add a blinded invoice. + invoice := b.dave.RPC.AddInvoice(&lnrpc.Invoice{ + RPreimage: b.preimage[:], + Memo: "test", + ValueMsat: 10_000_000, + Blind: true, + }) - davePk, err := btcec.ParsePubKey(b.dave.PubKey[:]) - require.NoError(b.ht, err, "dave pubkey") + // Assert that only one blinded path is selected and that it contains + // a 3 hop path starting at Bob. + payReq := b.dave.RPC.DecodePayReq(invoice.PaymentRequest) + require.Len(b.ht, payReq.BlindedPaths, 1) + path := payReq.BlindedPaths[0].BlindedPath + require.Len(b.ht, path.BlindedHops, 3) + require.EqualValues(b.ht, path.IntroductionNode, b.ht.Bob.PubKey[:]) - return b.createBlindedRoute(edges, davePk, 50) + return payReq.BlindedPaths[0] } // cleanup tears down all channels created by the test and cancels the top @@ -399,41 +411,12 @@ func (b *blindedForwardTest) cleanup() { // //nolint:gomnd func (b *blindedForwardTest) createRouteToBlinded(paymentAmt int64, - route *routing.BlindedPayment) *lnrpc.Route { - - intro := route.BlindedPath.IntroductionPoint.SerializeCompressed() - blinding := route.BlindedPath.BlindingPoint.SerializeCompressed() - - blindedRoute := &lnrpc.BlindedPath{ - IntroductionNode: intro, - BlindingPoint: blinding, - BlindedHops: make( - []*lnrpc.BlindedHop, - len(route.BlindedPath.BlindedHops), - ), - } - - for i, hop := range route.BlindedPath.BlindedHops { - blindedRoute.BlindedHops[i] = &lnrpc.BlindedHop{ - BlindedNode: hop.BlindedNodePub.SerializeCompressed(), - EncryptedData: hop.CipherText, - } - } - blindedPath := &lnrpc.BlindedPaymentPath{ - BlindedPath: blindedRoute, - BaseFeeMsat: uint64( - route.BaseFee, - ), - ProportionalFeeRate: route.ProportionalFeeRate, - TotalCltvDelta: uint32( - route.CltvExpiryDelta, - ), - } + blindedPath *lnrpc.BlindedPaymentPath) *lnrpc.Route { req := &lnrpc.QueryRoutesRequest{ AmtMsat: paymentAmt, - // Our fee limit doesn't really matter, we just want to - // be able to make the payment. + // Our fee limit doesn't really matter, we just want to be able + // to make the payment. FeeLimit: &lnrpc.FeeLimit{ Limit: &lnrpc.FeeLimit_Percent{ Percent: 50, @@ -480,63 +463,48 @@ func (b *blindedForwardTest) sendBlindedPayment(ctx context.Context, return cancel } -// interceptFinalHop launches a goroutine to intercept Carol's htlcs and -// returns a closure that can be used to resolve intercepted htlcs. -// -//nolint:lll -func (b *blindedForwardTest) interceptFinalHop() func(routerrpc.ResolveHoldForwardAction) { - hash := sha256.Sum256(b.preimage[:]) - htlcReceived := make(chan *routerrpc.ForwardHtlcInterceptRequest) - - // Launch a goroutine which will receive from the interceptor and pipe - // it into our request channel. - go func() { - forward, err := b.carolInterceptor.Recv() - if err != nil { - b.ht.Fatalf("intercept receive failed: %v", err) - } - - if !bytes.Equal(forward.PaymentHash, hash[:]) { - b.ht.Fatalf("unexpected payment hash: %v", hash) - } - - select { - case htlcReceived <- forward: +// sendToRoute synchronously lets Alice attempt to send to the given route +// using the SendToRouteV2 endpoint and asserts that the payment either +// succeeds or fails. +func (b *blindedForwardTest) sendToRoute(route *lnrpc.Route, + assertSuccess bool) { - case <-time.After(lntest.DefaultTimeout): - b.ht.Fatal("timeout waiting to send intercepted htlc") - } - }() - - // Create a closure that will wait for the intercept request and - // resolve the HTLC with the appropriate action. - resolve := func(action routerrpc.ResolveHoldForwardAction) { - select { - case forward := <-htlcReceived: - resp := &routerrpc.ForwardHtlcInterceptResponse{ - IncomingCircuitKey: forward.IncomingCircuitKey, - } + hash := sha256.Sum256(b.preimage[:]) + sendReq := &routerrpc.SendToRouteRequest{ + PaymentHash: hash[:], + Route: route, + } - switch action { - case routerrpc.ResolveHoldForwardAction_FAIL: - resp.Action = routerrpc.ResolveHoldForwardAction_FAIL + // Let Alice send to the blinded payment path and assert that it + // succeeds/fails. + htlcAttempt := b.ht.Alice.RPC.SendToRouteV2(sendReq) + if assertSuccess { + require.Nil(b.ht, htlcAttempt.Failure) + require.Equal(b.ht, htlcAttempt.Status, + lnrpc.HTLCAttempt_SUCCEEDED) - case routerrpc.ResolveHoldForwardAction_SETTLE: - resp.Action = routerrpc.ResolveHoldForwardAction_SETTLE - resp.Preimage = b.preimage[:] + return + } - case routerrpc.ResolveHoldForwardAction_RESUME: - resp.Action = routerrpc.ResolveHoldForwardAction_RESUME - } + require.NotNil(b.ht, htlcAttempt.Failure) + require.Equal(b.ht, htlcAttempt.Status, lnrpc.HTLCAttempt_FAILED) - require.NoError(b.ht, b.carolInterceptor.Send(resp)) + // Wait for the HTLC to reflect as failed for Alice. + preimage, err := lntypes.MakePreimage(b.preimage[:]) + require.NoError(b.ht, err) - case <-time.After(lntest.DefaultTimeout): - b.ht.Fatal("timeout waiting for htlc intercept") - } - } + pmt := b.ht.AssertPaymentStatus( + b.ht.Alice, preimage, lnrpc.Payment_FAILED, + ) + require.Len(b.ht, pmt.Htlcs, 1) - return resolve + // Assert that the failure appears to originate from the introduction + // node hop. + require.EqualValues(b.ht, 1, pmt.Htlcs[0].Failure.FailureSourceIndex) + require.Equal( + b.ht, lnrpc.Failure_INVALID_ONION_BLINDING, + pmt.Htlcs[0].Failure.Code, + ) } // drainCarolLiquidity will drain all of the liquidity in Carol's channel in @@ -632,234 +600,55 @@ func setupFourHopNetwork(ht *lntest.HarnessTest, } } -// createBlindedRoute creates a blinded route to the recipient node provided. -// The set of hops is expected to start at the introduction node and end at -// the recipient. -func (b *blindedForwardTest) createBlindedRoute(hops []*forwardingEdge, - dest *btcec.PublicKey, finalCLTV uint16) *routing.BlindedPayment { - - // Create a path with space for each of our hops + the destination - // node. We include our passed final cltv delta here because blinded - // paths include the delta in the blinded portion (not the invoice). - blindedPayment := &routing.BlindedPayment{ - CltvExpiryDelta: finalCLTV, - } - - pathLength := len(hops) + 1 - blindedPath := make([]*sphinx.HopInfo, pathLength) - - // Run forwards through our hops to create blinded route data for each - // node with the next node's short channel id and our payment - // constraints. - for i := 0; i < len(hops); i++ { - node := hops[i] - scid := node.channelID - - // Set the relay information for this edge based on its policy. - delta := uint16(node.edge.TimeLockDelta) - relayInfo := &record.PaymentRelayInfo{ - BaseFee: lnwire.MilliSatoshi( - node.edge.FeeBaseMsat, - ), - FeeRate: uint32(node.edge.FeeRateMilliMsat), - CltvExpiryDelta: delta, - } - - // We set our constraints with our edge's actual htlc min, and - // an arbitrary maximum expiry (since it's just an anti-probing - // mechanism). - constraints := &record.PaymentConstraints{ - HtlcMinimumMsat: lnwire.MilliSatoshi(node.edge.MinHtlc), - MaxCltvExpiry: 100000, - } - - // Add CLTV delta of each hop to the blinded payment. - blindedPayment.CltvExpiryDelta += delta - - // Encode the route's blinded data and include it in the - // blinded hop. - payload := record.NewNonFinalBlindedRouteData( - scid, nil, *relayInfo, constraints, nil, - ) - payloadBytes, err := record.EncodeBlindedRouteData(payload) - require.NoError(b.ht, err) - - blindedPath[i] = &sphinx.HopInfo{ - NodePub: node.pubkey, - PlainText: payloadBytes, - } - } - - // Next, we'll run backwards through our route to build up the aggregate - // fees for the blinded payment as a whole. This is done in a separate - // loop for the sake of readability. - // - // For blinded path aggregated fees, we start at the receiving node - // and add up base an proportional fees *including* the fees that we'll - // charge on accumulated fees. We use the int ceiling to round up so - // that the sender will always over-pay, ensuring that we don't round - // down along the route leaving one forwarding node short of what - // they're expecting. - var ( - hopCount = len(hops) - 1 - currentHopBaseFee = hops[hopCount].edge.FeeBaseMsat - currentHopPropFee = hops[hopCount].edge.FeeRateMilliMsat - feeParts int64 = 1e6 - ) - - // Note: the spec says to iterate backwards, but then uses n / n +1 to - // express the "next" hop in the route going backwards. This works for - // languages where we can iterate backwards and get an increasing - // index, but since we're counting backwards we use n-1 instead. - // - // Specification reference: - //nolint:lll - // https://github.com/lightning/bolts/blob/60de4a09727c20dea330f9ee8313034de6e50594/proposals/route-blinding.md?plain=1#L253-L254 - for i := hopCount; i > 0; i-- { - preceedingBase := hops[i-1].edge.FeeBaseMsat - preceedingProp := hops[i-1].edge.FeeBaseMsat - - // Separate numerator from ceiling division to break up large - // lines. - baseFeeNumerator := preceedingBase*feeParts + - currentHopBaseFee*(feeParts+preceedingProp) - currentHopBaseFee = (baseFeeNumerator + feeParts - 1) / feeParts - - propFeeNumerator := (currentHopPropFee+preceedingProp)* - feeParts + currentHopPropFee*preceedingProp - currentHopPropFee = (propFeeNumerator + feeParts - 1) / feeParts - } - - blindedPayment.BaseFee = uint32(currentHopBaseFee) - blindedPayment.ProportionalFeeRate = uint32(currentHopPropFee) - - // Add our destination node at the end of the path. We don't need to - // add any forwarding parameters because we're at the final hop. - payloadBytes, err := record.EncodeBlindedRouteData( - // TODO: we don't have support for the final hop fields, - // because only forwarding is supported. We add a next - // node ID here so that it _looks like_ a valid - // forwarding hop (though in reality it's the last - // hop). - record.NewNonFinalBlindedRouteData( - lnwire.NewShortChanIDFromInt(100), nil, - record.PaymentRelayInfo{}, nil, nil, - ), - ) - require.NoError(b.ht, err, "final payload") - - blindedPath[pathLength-1] = &sphinx.HopInfo{ - NodePub: dest, - PlainText: payloadBytes, - } - - // Blind the path. - blindingKey, err := btcec.NewPrivateKey() - require.NoError(b.ht, err) - - blindedPayment.BlindedPath, err = sphinx.BuildBlindedPath( - blindingKey, blindedPath, - ) - require.NoError(b.ht, err, "build blinded path") - - return blindedPayment -} - -// forwardingEdge contains the channel id/source public key for a forwarding -// edge and the policy associated with the channel in that direction. -type forwardingEdge struct { - pubkey *btcec.PublicKey - channelID lnwire.ShortChannelID - edge *lnrpc.RoutingPolicy -} - -func getForwardingEdge(ht *lntest.HarnessTest, - node *node.HarnessNode, chanID uint64) *forwardingEdge { - - chanInfo := node.RPC.GetChanInfo(&lnrpc.ChanInfoRequest{ - ChanId: chanID, - }) - - pubkey, err := btcec.ParsePubKey(node.PubKey[:]) - require.NoError(ht, err, "%v pubkey", node.Cfg.Name) - - fwdEdge := &forwardingEdge{ - pubkey: pubkey, - channelID: lnwire.NewShortChanIDFromInt(chanID), - } +// testForwardAndReceiveBlindedRoute tests lnd's ability to create a blinded +// payment path, forward payments in a blinded route and receive the payment. +func testForwardAndReceiveBlindedRoute(ht *lntest.HarnessTest) { + ctx, testCase := newBlindedForwardTest(ht) + defer testCase.cleanup() - if chanInfo.Node1Pub == node.PubKeyStr { - fwdEdge.edge = chanInfo.Node1Policy - } else { - require.Equal(ht, node.PubKeyStr, chanInfo.Node2Pub, - "policy edge sanity check") + // Set up the 4 hop network and let Dave create an invoice with a + // blinded path that uses Bob as an introduction node. + testCase.setupNetwork(ctx, false) + blindedPaymentPath := testCase.buildBlindedPath() - fwdEdge.edge = chanInfo.Node2Policy - } + // Construct a full route from Alice to Dave using the blinded payment + // path. + route := testCase.createRouteToBlinded(10_000_000, blindedPaymentPath) - return fwdEdge + // Let Alice send to the constructed route and assert that the payment + // succeeds. + testCase.sendToRoute(route, true) } -// testForwardBlindedRoute tests lnd's ability to forward payments in a blinded -// route. -func testForwardBlindedRoute(ht *lntest.HarnessTest) { +// testReceiverBlindedError tests handling of errors from the receiving node in +// a blinded route, testing a payment over: Alice -- Bob -- Carol -- Dave, where +// Bob is the introduction node. +func testReceiverBlindedError(ht *lntest.HarnessTest) { ctx, testCase := newBlindedForwardTest(ht) defer testCase.cleanup() - route := testCase.setup(ctx) - blindedRoute := testCase.createRouteToBlinded(10_000_000, route) - - // Receiving via blinded routes is not yet supported, so Dave won't be - // able to process the payment. - // - // We have an interceptor at our disposal that will catch htlcs as they - // are forwarded (ie, it won't intercept a HTLC that dave is receiving, - // since no forwarding occurs). We initiate this interceptor with - // Carol, so that we can catch it and settle on the outgoing link to - // Dave. Once we hit the outgoing link, we know that we successfully - // parsed the htlc, so this is an acceptable compromise. - // Assert that our interceptor has exited without an error. - resolveHTLC := testCase.interceptFinalHop() - - // Once our interceptor is set up, we can send the blinded payment. - cancelPmt := testCase.sendBlindedPayment(ctx, blindedRoute) - defer cancelPmt() - - // Wait for the HTLC to be active on Alice's channel. - hash := sha256.Sum256(testCase.preimage[:]) - ht.AssertOutgoingHTLCActive(ht.Alice, testCase.channels[0], hash[:]) - ht.AssertOutgoingHTLCActive(ht.Bob, testCase.channels[1], hash[:]) + testCase.setupNetwork(ctx, false) + blindedPaymentPath := testCase.buildBlindedPath() + route := testCase.createRouteToBlinded(10_000_000, blindedPaymentPath) - // Intercept and settle the HTLC. - resolveHTLC(routerrpc.ResolveHoldForwardAction_SETTLE) + // Replace the encrypted recipient data payload for Dave (the recipient) + // with an invalid payload which Dave will then fail to parse when he + // receives the incoming HTLC for this payment. + route.Hops[len(route.Hops)-1].EncryptedData = []byte{1, 2, 3} - // Wait for the HTLC to reflect as settled for Alice. - preimage, err := lntypes.MakePreimage(testCase.preimage[:]) - require.NoError(ht, err) - ht.AssertPaymentStatus(ht.Alice, preimage, lnrpc.Payment_SUCCEEDED) + // Subscribe to Dave's HTLC events so that we can observe the payment + // coming in. + daveEvents := testCase.dave.RPC.SubscribeHtlcEvents() - // Assert that the HTLC has settled before test cleanup runs so that - // we can cooperatively close all channels. - ht.AssertHTLCNotActive(ht.Bob, testCase.channels[1], hash[:]) - ht.AssertHTLCNotActive(ht.Alice, testCase.channels[0], hash[:]) -} + // Once subscribed, the first event will be UNKNOWN. + ht.AssertHtlcEventType(daveEvents, routerrpc.HtlcEvent_UNKNOWN) -// Tests handling of errors from the receiving node in a blinded route, testing -// a payment over: Alice -- Bob -- Carol -- Dave, where Bob is the introduction -// node. -// -// Note that at present the payment fails at Dave because we do not yet support -// receiving to blinded routes. In future, we can substitute this test out to -// trigger an IncorrectPaymentDetails failure. In the meantime, this test -// provides valuable coverage for the case where a node in the route is not -// spec compliant (ie, does not return the blinded failure and just uses a -// normal one) because Dave will not appropriately convert the error. -func testReceiverBlindedError(ht *lntest.HarnessTest) { - ctx, testCase := newBlindedForwardTest(ht) - defer testCase.cleanup() - route := testCase.setup(ctx) + // Let Alice send to the constructed route and assert that the payment + // fails. + testCase.sendToRoute(route, false) - sendAndResumeBlindedPayment(ctx, ht, testCase, route, true) + // Make sure that the HTLC did in fact reach Dave and fail there. + ht.AssertHtlcEvents(daveEvents, 0, 0, 0, 1, routerrpc.HtlcEvent_FORWARD) } // testRelayingBlindedError tests handling of errors from relaying nodes in a @@ -869,61 +658,29 @@ func testReceiverBlindedError(ht *lntest.HarnessTest) { func testRelayingBlindedError(ht *lntest.HarnessTest) { ctx, testCase := newBlindedForwardTest(ht) defer testCase.cleanup() - route := testCase.setup(ctx) + + testCase.setupNetwork(ctx, false) + blindedPaymentPath := testCase.buildBlindedPath() + route := testCase.createRouteToBlinded(10_000_000, blindedPaymentPath) // Before we send our payment, drain all of Carol's liquidity // so that she can't forward the payment to Dave. testCase.drainCarolLiquidity(false) - // Then dispatch the payment through Carol which will fail due to - // a lack of liquidity. This check only happens _after_ the interceptor - // has given the instruction to resume so we can use test - // infrastructure that will go ahead and intercept the payment. - sendAndResumeBlindedPayment(ctx, ht, testCase, route, true) -} + // Subscribe to Carol's HTLC events so that we can observe the payment + // coming in. + carolEvents := testCase.carol.RPC.SubscribeHtlcEvents() -// sendAndResumeBlindedPayment sends a blinded payment through the test -// network provided, intercepting the payment at Carol and allowing it to -// resume. This utility function allows us to ensure that payments at least -// reach Carol and asserts that all errors appear to originate from the -// introduction node. -func sendAndResumeBlindedPayment(ctx context.Context, ht *lntest.HarnessTest, - testCase *blindedForwardTest, route *routing.BlindedPayment, - interceptAtCarol bool) { - - blindedRoute := testCase.createRouteToBlinded(10_000_000, route) - - // Before we dispatch the payment, spin up a goroutine that will - // intercept the HTLC on Carol's forward. This allows us to ensure - // that the HTLC actually reaches the location we expect it to. - var resolveHTLC func(routerrpc.ResolveHoldForwardAction) - if interceptAtCarol { - resolveHTLC = testCase.interceptFinalHop() - } + // Once subscribed, the first event will be UNKNOWN. + ht.AssertHtlcEventType(carolEvents, routerrpc.HtlcEvent_UNKNOWN) - // First, test sending the payment all the way through to Dave. We - // expect this payment to fail, because he does not know how to - // process payments to a blinded route (not yet supported). - cancelPmt := testCase.sendBlindedPayment(ctx, blindedRoute) - defer cancelPmt() - - // When Carol intercepts the HTLC, instruct her to resume the payment - // so that it'll reach Dave and fail. - if interceptAtCarol { - resolveHTLC(routerrpc.ResolveHoldForwardAction_RESUME) - } + // Let Alice send to the constructed route and assert that the payment + // fails. + testCase.sendToRoute(route, false) - // Wait for the HTLC to reflect as failed for Alice. - preimage, err := lntypes.MakePreimage(testCase.preimage[:]) - require.NoError(ht, err) - pmt := ht.AssertPaymentStatus(ht.Alice, preimage, lnrpc.Payment_FAILED) - require.Len(ht, pmt.Htlcs, 1) - require.EqualValues( - ht, 1, pmt.Htlcs[0].Failure.FailureSourceIndex, - ) - require.Equal( - ht, lnrpc.Failure_INVALID_ONION_BLINDING, - pmt.Htlcs[0].Failure.Code, + // Make sure that the HTLC did in fact reach Carol and fail there. + ht.AssertHtlcEvents( + carolEvents, 0, 0, 0, 1, routerrpc.HtlcEvent_FORWARD, ) } @@ -934,35 +691,52 @@ func sendAndResumeBlindedPayment(ctx context.Context, ht *lntest.HarnessTest, func testIntroductionNodeError(ht *lntest.HarnessTest) { ctx, testCase := newBlindedForwardTest(ht) defer testCase.cleanup() - route := testCase.setup(ctx) + testCase.setupNetwork(ctx, false) + blindedPaymentPath := testCase.buildBlindedPath() + route := testCase.createRouteToBlinded(10_000_000, blindedPaymentPath) // Before we send our payment, drain all of Carol's incoming liquidity // so that she can't receive the forward from Bob, causing a failure // at the introduction node. testCase.drainCarolLiquidity(true) - // Send the payment, but do not expect it to reach Carol at all. - sendAndResumeBlindedPayment(ctx, ht, testCase, route, false) + // Subscribe to Bob's HTLC events so that we can observe the payment + // coming in. + bobEvents := ht.Bob.RPC.SubscribeHtlcEvents() + + // Once subscribed, the first event will be UNKNOWN. + ht.AssertHtlcEventType(bobEvents, routerrpc.HtlcEvent_UNKNOWN) + + // Let Alice send to the constructed route and assert that the payment + // fails. + testCase.sendToRoute(route, false) + + // Make sure that the HTLC did in fact reach Bob and fail there. + ht.AssertHtlcEvents( + bobEvents, 0, 0, 0, 1, routerrpc.HtlcEvent_FORWARD, + ) } // testDisableIntroductionNode tests disabling of blinded forwards for the // introduction node. func testDisableIntroductionNode(ht *lntest.HarnessTest) { - // Disable route blinding for Bob, then re-connect to Alice. + // First construct a blinded route while Bob is still advertising the + // route blinding feature bit to ensure that Bob is included in the + // blinded path that Dave selects. + ctx, testCase := newBlindedForwardTest(ht) + defer testCase.cleanup() + testCase.setupNetwork(ctx, false) + blindedPaymentPath := testCase.buildBlindedPath() + route := testCase.createRouteToBlinded(10_000_000, blindedPaymentPath) + + // Now, disable route blinding for Bob, then re-connect to Alice. ht.RestartNodeWithExtraArgs(ht.Bob, []string{ "--protocol.no-route-blinding", }) ht.EnsureConnected(ht.Alice, ht.Bob) - ctx, testCase := newBlindedForwardTest(ht) - defer testCase.cleanup() - route := testCase.setup(ctx) - // We always expect failures to look like they originated at Bob - // because blinded errors are converted. However, our tests intercepts - // all of Carol's forwards and we're not providing it any interceptor - // instructions. This means that the test will hang/timeout at Carol - // if Bob _doesn't_ fail the HTLC back as expected. - sendAndResumeBlindedPayment(ctx, ht, testCase, route, false) + // Assert that this fails. + testCase.sendToRoute(route, false) } // testErrorHandlingOnChainFailure tests handling of blinded errors when we're @@ -971,14 +745,17 @@ func testDisableIntroductionNode(ht *lntest.HarnessTest) { // infrastructure in place already for error testing. func testErrorHandlingOnChainFailure(ht *lntest.HarnessTest) { // Setup a test case, note that we don't use its built in clean up - // because we're going to close a channel so we'll close out the + // because we're going to close a channel, so we'll close out the // rest manually. ctx, testCase := newBlindedForwardTest(ht) - // Note that we send a larger amount here do it'll be worthwhile for + // Note that we send a larger amount here, so it'll be worthwhile for // the sweeper to claim. - route := testCase.setup(ctx) - blindedRoute := testCase.createRouteToBlinded(50_000_000, route) + testCase.setupNetwork(ctx, true) + blindedPaymentPath := testCase.buildBlindedPath() + blindedRoute := testCase.createRouteToBlinded( + 50_000_000, blindedPaymentPath, + ) // Once our interceptor is set up, we can send the blinded payment. cancelPmt := testCase.sendBlindedPayment(ctx, blindedRoute) diff --git a/lntest/harness_assertion.go b/lntest/harness_assertion.go index 4a5d04274e..5ef2ec3dfa 100644 --- a/lntest/harness_assertion.go +++ b/lntest/harness_assertion.go @@ -2218,12 +2218,12 @@ func (h *HarnessTest) AssertFeeReport(hn *node.HarnessNode, // // TODO(yy): needs refactor to reduce its complexity. func (h *HarnessTest) AssertHtlcEvents(client rpc.HtlcEventsClient, - fwdCount, fwdFailCount, settleCount int, + fwdCount, fwdFailCount, settleCount, linkFailCount int, userType routerrpc.HtlcEvent_EventType) []*routerrpc.HtlcEvent { - var forwards, forwardFails, settles int + var forwards, forwardFails, settles, linkFails int - numEvents := fwdCount + fwdFailCount + settleCount + numEvents := fwdCount + fwdFailCount + settleCount + linkFailCount events := make([]*routerrpc.HtlcEvent, 0) // It's either the userType or the unknown type. @@ -2256,6 +2256,9 @@ func (h *HarnessTest) AssertHtlcEvents(client rpc.HtlcEventsClient, settles++ } + case *routerrpc.HtlcEvent_LinkFailEvent: + linkFails++ + default: require.Fail(h, "assert event fail", "unexpected event: %T", event.Event) @@ -2266,6 +2269,7 @@ func (h *HarnessTest) AssertHtlcEvents(client rpc.HtlcEventsClient, require.Equal(h, fwdFailCount, forwardFails, "num of forward fails mismatch") require.Equal(h, settleCount, settles, "num of settles mismatch") + require.Equal(h, linkFailCount, linkFails, "num of link fails mismatch") return events } From 735d7d97384283515d0eb945815fc780dc9a9242 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 6 May 2024 16:39:43 +0200 Subject: [PATCH 169/343] multi: send to a blinded path in an invoice Update the SendPayment flow so that it is able to send to an invoice containing a blinded path. --- lnrpc/routerrpc/router_backend.go | 46 +++++++++++++++++++++++++++++++ routing/payment_session.go | 20 +++++++++++++- routing/router.go | 12 +++++++- rpcserver.go | 28 +++++++++++++++++++ 4 files changed, 104 insertions(+), 2 deletions(-) diff --git a/lnrpc/routerrpc/router_backend.go b/lnrpc/routerrpc/router_backend.go index 9fde63411f..970fb04cf6 100644 --- a/lnrpc/routerrpc/router_backend.go +++ b/lnrpc/routerrpc/router_backend.go @@ -999,6 +999,32 @@ func (r *RouterBackend) extractIntentFromSendRequest( payIntent.PaymentAddr = payAddr payIntent.PaymentRequest = []byte(rpcPayReq.PaymentRequest) payIntent.Metadata = payReq.Metadata + + if len(payReq.BlindedPaymentPaths) > 0 { + // NOTE: Currently we only choose a single payment path. + // This will be updated in a future PR to handle + // multiple blinded payment paths. + path := payReq.BlindedPaymentPaths[0] + if len(path.Hops) == 0 { + return nil, fmt.Errorf("a blinded payment " + + "must have at least 1 hop") + } + + finalHop := path.Hops[len(path.Hops)-1] + + payIntent.BlindedPayment = MarshalBlindedPayment(path) + + // Replace the target node with the blinded public key + // of the blinded path's final node. + copy( + payIntent.Target[:], + finalHop.BlindedNodePub.SerializeCompressed(), + ) + + if !path.Features.IsEmpty() { + payIntent.DestFeatures = path.Features.Clone() + } + } } else { // Otherwise, If the payment request field was not specified // (and a custom route wasn't specified), construct the payment @@ -1137,6 +1163,26 @@ func (r *RouterBackend) extractIntentFromSendRequest( return payIntent, nil } +// MarshalBlindedPayment marshals a zpay32.BLindedPaymentPath into a +// routing.BlindedPayment. +func MarshalBlindedPayment( + path *zpay32.BlindedPaymentPath) *routing.BlindedPayment { + + return &routing.BlindedPayment{ + BlindedPath: &sphinx.BlindedPath{ + IntroductionPoint: path.Hops[0].BlindedNodePub, + BlindingPoint: path.FirstEphemeralBlindingPoint, + BlindedHops: path.Hops, + }, + BaseFee: path.FeeBaseMsat, + ProportionalFeeRate: path.FeeRate, + CltvExpiryDelta: path.CltvExpiryDelta, + HtlcMinimum: path.HTLCMinMsat, + HtlcMaximum: path.HTLCMaxMsat, + Features: path.Features, + } +} + // unmarshallRouteHints unmarshalls a list of route hints. func unmarshallRouteHints(rpcRouteHints []*lnrpc.RouteHint) ( [][]zpay32.HopHint, error) { diff --git a/routing/payment_session.go b/routing/payment_session.go index 710318426b..14b3694071 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -5,6 +5,7 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btclog" + sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/build" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" @@ -205,6 +206,18 @@ func newPaymentSession(p *LightningPayment, selfNode route.Vertex, return nil, err } + if p.BlindedPayment != nil { + if len(edges) != 0 { + return nil, fmt.Errorf("cannot have both route hints " + + "and blinded path") + } + + edges, err = p.BlindedPayment.toRouteHints() + if err != nil { + return nil, err + } + } + logPrefix := fmt.Sprintf("PaymentSession(%x):", p.Identifier()) return &paymentSession{ @@ -389,6 +402,11 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, return nil, err } + var blindedPath *sphinx.BlindedPath + if p.payment.BlindedPayment != nil { + blindedPath = p.payment.BlindedPayment.BlindedPath + } + // With the next candidate path found, we'll attempt to turn // this into a route by applying the time-lock and fee // requirements. @@ -401,7 +419,7 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, records: p.payment.DestCustomRecords, paymentAddr: p.payment.PaymentAddr, metadata: p.payment.Metadata, - }, nil, + }, blindedPath, ) if err != nil { return nil, err diff --git a/routing/router.go b/routing/router.go index 9e183cde50..5551c53451 100644 --- a/routing/router.go +++ b/routing/router.go @@ -922,9 +922,19 @@ type LightningPayment struct { // NOTE: This is optional unless required by the payment. When providing // multiple routes, ensure the hop hints within each route are chained // together and sorted in forward order in order to reach the - // destination successfully. + // destination successfully. This is mutually exclusive to the + // BlindedPayment field. RouteHints [][]zpay32.HopHint + // BlindedPayment holds the information about a blinded path to the + // payment recipient. This is mutually exclusive to the RouteHints + // field. + // + // NOTE: a recipient may provide multiple blinded payment paths in the + // same invoice. Currently, LND will only attempt to use the first one. + // A future PR will handle multiple blinded payment paths. + BlindedPayment *BlindedPayment + // OutgoingChannelIDs is the list of channels that are allowed for the // first hop. If nil, any channel may be used. OutgoingChannelIDs []uint64 diff --git a/rpcserver.go b/rpcserver.go index e838afcd1e..5d9ed2ef5a 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5110,6 +5110,7 @@ type rpcPaymentIntent struct { paymentAddr *[32]byte payReq []byte metadata []byte + blindedPayment *routing.BlindedPayment destCustomRecords record.CustomSet @@ -5245,6 +5246,32 @@ func (r *rpcServer) extractPaymentIntent(rpcPayReq *rpcPaymentRequest) (rpcPayme payIntent.paymentAddr = payReq.PaymentAddr payIntent.metadata = payReq.Metadata + if len(payReq.BlindedPaymentPaths) > 0 { + // NOTE: Currently we only choose a single payment path. + // This will be updated in a future PR to handle + // multiple blinded payment paths. + path := payReq.BlindedPaymentPaths[0] + if len(path.Hops) == 0 { + return payIntent, fmt.Errorf("a blinded " + + "payment must have at least 1 hop") + } + + finalHop := path.Hops[len(path.Hops)-1] + payIntent.blindedPayment = + routerrpc.MarshalBlindedPayment(path) + + // Replace the target node with the blinded public key + // of the blinded path's final node. + copy( + payIntent.dest[:], + finalHop.BlindedNodePub.SerializeCompressed(), + ) + + if !payReq.BlindedPaymentPaths[0].Features.IsEmpty() { + payIntent.destFeatures = path.Features.Clone() + } + } + if err := validateDest(payIntent.dest); err != nil { return payIntent, err } @@ -5399,6 +5426,7 @@ func (r *rpcServer) dispatchPaymentIntent( DestFeatures: payIntent.destFeatures, PaymentAddr: payIntent.paymentAddr, Metadata: payIntent.metadata, + BlindedPayment: payIntent.blindedPayment, // Don't enable multi-part payments on the main rpc. // Users need to use routerrpc for that. From 64a99d4a8e74fb5cd48ac07a191cf8423be728ea Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 7 May 2024 06:42:20 +0200 Subject: [PATCH 170/343] itest: end to end route blinding invoices test Update one of the route blinding itests to do a full end-to-end test where the recipient generates and invoice with a blinded path and the sender just provides that invoice to SendPayment. The tests also covers the edge case where the recipient is the introduction node. --- itest/list_on_test.go | 4 +-- itest/lnd_route_blinding_test.go | 50 +++++++++++++++++++++++++------- 2 files changed, 42 insertions(+), 12 deletions(-) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 606a27794b..0ef375bd2f 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -563,8 +563,8 @@ var allTestCases = []*lntest.TestCase{ TestFunc: testQueryBlindedRoutes, }, { - Name: "forward and receive blinded", - TestFunc: testForwardAndReceiveBlindedRoute, + Name: "route blinding invoices", + TestFunc: testBlindedRouteInvoices, }, { Name: "receiver blinded error", diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index f0373a77d3..7204819dc1 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -600,24 +600,54 @@ func setupFourHopNetwork(ht *lntest.HarnessTest, } } -// testForwardAndReceiveBlindedRoute tests lnd's ability to create a blinded -// payment path, forward payments in a blinded route and receive the payment. -func testForwardAndReceiveBlindedRoute(ht *lntest.HarnessTest) { +// testBlindedRouteInvoices tests lnd's ability to create a blinded payment path +// which it then inserts into an invoice, sending to an invoice with a blinded +// path and forward payments in a blinded route and finally, receiving the +// payment. +func testBlindedRouteInvoices(ht *lntest.HarnessTest) { ctx, testCase := newBlindedForwardTest(ht) defer testCase.cleanup() // Set up the 4 hop network and let Dave create an invoice with a // blinded path that uses Bob as an introduction node. testCase.setupNetwork(ctx, false) - blindedPaymentPath := testCase.buildBlindedPath() - // Construct a full route from Alice to Dave using the blinded payment - // path. - route := testCase.createRouteToBlinded(10_000_000, blindedPaymentPath) + // Let Dave add a blinded invoice. + invoice := testCase.dave.RPC.AddInvoice(&lnrpc.Invoice{ + Memo: "test", + ValueMsat: 10_000_000, + Blind: true, + }) - // Let Alice send to the constructed route and assert that the payment - // succeeds. - testCase.sendToRoute(route, true) + // Now let Alice pay the invoice. + ht.CompletePaymentRequests(ht.Alice, []string{invoice.PaymentRequest}) + + // Restart Dave with blinded path restrictions that will result in him + // creating a blinded path that uses himself as the introduction node. + ht.RestartNodeWithExtraArgs(testCase.dave, []string{ + "--invoices.blinding.min-num-real-hops=0", + "--invoices.blinding.num-hops=0", + }) + ht.EnsureConnected(testCase.dave, testCase.carol) + + // Let Dave add a blinded invoice. + // Once again let Dave create a blinded invoice. + invoice = testCase.dave.RPC.AddInvoice(&lnrpc.Invoice{ + Memo: "test", + ValueMsat: 10_000_000, + Blind: true, + }) + + // Assert that it contains a single blinded path with only an + // introduction node hop where the introduction node is Dave. + payReq := testCase.dave.RPC.DecodePayReq(invoice.PaymentRequest) + require.Len(ht, payReq.BlindedPaths, 1) + path := payReq.BlindedPaths[0].BlindedPath + require.Len(ht, path.BlindedHops, 1) + require.EqualValues(ht, path.IntroductionNode, testCase.dave.PubKey[:]) + + // Now let Alice pay the invoice. + ht.CompletePaymentRequests(ht.Alice, []string{invoice.PaymentRequest}) } // testReceiverBlindedError tests handling of errors from the receiving node in From f0558babf374e8a8cd01e70a07ab40965daa55cf Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 7 May 2024 12:24:55 +0200 Subject: [PATCH 171/343] multi: send MPP payment to blinded path Make various sender side adjustments so that a sender is able to send an MP payment to a single blinded path without actually including an MPP record in the payment. --- channeldb/payment_control.go | 58 ++++++++++- itest/list_on_test.go | 4 + itest/lnd_route_blinding_test.go | 173 +++++++++++++++++++++++++++++++ routing/payment_session.go | 11 +- 4 files changed, 238 insertions(+), 8 deletions(-) diff --git a/channeldb/payment_control.go b/channeldb/payment_control.go index bd83e32cc8..0eadf4b1f7 100644 --- a/channeldb/payment_control.go +++ b/channeldb/payment_control.go @@ -67,12 +67,12 @@ var ( // ErrValueMismatch is returned if we try to register a non-MPP attempt // with an amount that doesn't match the payment amount. - ErrValueMismatch = errors.New("attempted value doesn't match payment" + + ErrValueMismatch = errors.New("attempted value doesn't match payment " + "amount") // ErrValueExceedsAmt is returned if we try to register an attempt that // would take the total sent amount above the payment amount. - ErrValueExceedsAmt = errors.New("attempted value exceeds payment" + + ErrValueExceedsAmt = errors.New("attempted value exceeds payment " + "amount") // ErrNonMPPayment is returned if we try to register an MPP attempt for @@ -83,6 +83,17 @@ var ( // a payment that already has an MPP attempt registered. ErrMPPayment = errors.New("payment has MPP attempts") + // ErrMPPRecordInBlindedPayment is returned if we try to register an + // attempt with an MPP record for a payment to a blinded path. + ErrMPPRecordInBlindedPayment = errors.New("blinded payment cannot " + + "contain MPP records") + + // ErrBlindedPaymentTotalAmountMismatch is returned if we try to + // register an HTLC shard to a blinded route where the total amount + // doesn't match existing shards. + ErrBlindedPaymentTotalAmountMismatch = errors.New("blinded path " + + "total amount mismatch") + // ErrMPPPaymentAddrMismatch is returned if we try to register an MPP // shard where the payment address doesn't match existing shards. ErrMPPPaymentAddrMismatch = errors.New("payment address mismatch") @@ -96,7 +107,7 @@ var ( // attempt to a payment that has at least one of its HTLCs settled. ErrPaymentPendingSettled = errors.New("payment has settled htlcs") - // ErrPaymentAlreadyFailed is returned when we try to add a new attempt + // ErrPaymentPendingFailed is returned when we try to add a new attempt // to a payment that already has a failure reason. ErrPaymentPendingFailed = errors.New("payment has failure reason") @@ -334,12 +345,48 @@ func (p *PaymentControl) RegisterAttempt(paymentHash lntypes.Hash, return err } + // If the final hop has encrypted data, then we know this is a + // blinded payment. In blinded payments, MPP records are not set + // for split payments and the recipient is responsible for using + // a consistent PathID across the various encrypted data + // payloads that we received from them for this payment. All we + // need to check is that the total amount field for each HTLC + // in the split payment is correct. + isBlinded := len(attempt.Route.FinalHop().EncryptedData) != 0 + // Make sure any existing shards match the new one with regards // to MPP options. mpp := attempt.Route.FinalHop().MPP + + // MPP records should not be set for attempts to blinded paths. + if isBlinded && mpp != nil { + return ErrMPPRecordInBlindedPayment + } + for _, h := range payment.InFlightHTLCs() { hMpp := h.Route.FinalHop().MPP + // If this is a blinded payment, then no existing HTLCs + // should have MPP records. + if isBlinded && hMpp != nil { + return ErrMPPRecordInBlindedPayment + } + + // If this is a blinded payment, then we just need to + // check that the TotalAmtMsat field for this shard + // is equal to that of any other shard in the same + // payment. + if isBlinded { + if attempt.Route.FinalHop().TotalAmtMsat != + h.Route.FinalHop().TotalAmtMsat { + + //nolint:lll + return ErrBlindedPaymentTotalAmountMismatch + } + + continue + } + switch { // We tried to register a non-MPP attempt for a MPP // payment. @@ -367,9 +414,10 @@ func (p *PaymentControl) RegisterAttempt(paymentHash lntypes.Hash, } // If this is a non-MPP attempt, it must match the total amount - // exactly. + // exactly. Note that a blinded payment is considered an MPP + // attempt. amt := attempt.Route.ReceiverAmt() - if mpp == nil && amt != payment.Info.Value { + if !isBlinded && mpp == nil && amt != payment.Info.Value { return ErrValueMismatch } diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 0ef375bd2f..9938ac85f7 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -586,6 +586,10 @@ var allTestCases = []*lntest.TestCase{ Name: "on chain to blinded", TestFunc: testErrorHandlingOnChainFailure, }, + { + Name: "mpp to single blinded path", + TestFunc: testMPPToSingleBlindedPath, + }, { Name: "removetx", TestFunc: testRemoveTx, diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 7204819dc1..96c338d2fb 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -878,3 +878,176 @@ func testErrorHandlingOnChainFailure(ht *lntest.HarnessTest) { ht.CloseChannel(testCase.carol, testCase.channels[2]) testCase.cancel() } + +// testMPPToSingleBlindedPath tests that a two-shard MPP payment can be sent +// over a single blinded path. +// The following graph is created where Dave is the destination node, and he +// will choose Carol as the introduction node. The channel capacities are set in +// such a way that Alice will have to split the payment to dave over both the +// A->B->C-D and A->E->C->D routes. +// +// ---- Bob --- +// / \ +// Alice Carol --- Dave +// \ / +// ---- Eve --- +func testMPPToSingleBlindedPath(ht *lntest.HarnessTest) { + // Create a five-node context consisting of Alice, Bob and three new + // nodes. + alice, bob := ht.Alice, ht.Bob + + // Restrict Dave so that he only ever chooses the Carol->Dave path for + // a blinded route. + dave := ht.NewNode("dave", []string{ + "--invoices.blinding.min-num-real-hops=1", + "--invoices.blinding.num-hops=1", + }) + carol := ht.NewNode("carol", nil) + eve := ht.NewNode("eve", nil) + + // Connect nodes to ensure propagation of channels. + ht.EnsureConnected(alice, bob) + ht.EnsureConnected(alice, eve) + ht.EnsureConnected(carol, bob) + ht.EnsureConnected(carol, eve) + ht.EnsureConnected(carol, dave) + + // Send coins to the nodes and mine 1 blocks to confirm them. + for i := 0; i < 2; i++ { + ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, carol) + ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, dave) + ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, eve) + ht.MineBlocksAndAssertNumTxes(1, 3) + } + + const paymentAmt = btcutil.Amount(300000) + + nodes := []*node.HarnessNode{alice, bob, carol, dave, eve} + reqs := []*lntest.OpenChannelRequest{ + { + Local: alice, + Remote: bob, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 2 / 3, + }, + }, + { + Local: alice, + Remote: eve, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 2 / 3, + }, + }, + { + Local: bob, + Remote: carol, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 2, + }, + }, + { + Local: eve, + Remote: carol, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 2, + }, + }, + { + Local: carol, + Remote: dave, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 2, + }, + }, + } + + channelPoints := ht.OpenMultiChannelsAsync(reqs) + + // Make sure every node has heard about every channel. + for _, hn := range nodes { + for _, cp := range channelPoints { + ht.AssertTopologyChannelOpen(hn, cp) + } + + // Each node should have exactly 5 edges. + ht.AssertNumEdges(hn, len(channelPoints), false) + } + + // Make Dave create an invoice with a blinded path for Alice to pay. + invoice := &lnrpc.Invoice{ + Memo: "test", + Value: int64(paymentAmt), + Blind: true, + } + invoiceResp := dave.RPC.AddInvoice(invoice) + + sendReq := &routerrpc.SendPaymentRequest{ + PaymentRequest: invoiceResp.PaymentRequest, + MaxParts: 10, + TimeoutSeconds: 60, + FeeLimitMsat: noFeeLimitMsat, + } + payment := ht.SendPaymentAssertSettled(alice, sendReq) + + preimageBytes, err := hex.DecodeString(payment.PaymentPreimage) + require.NoError(ht, err) + + preimage, err := lntypes.MakePreimage(preimageBytes) + require.NoError(ht, err) + + hash, err := lntypes.MakeHash(invoiceResp.RHash) + require.NoError(ht, err) + + // Make sure we got the preimage. + require.True(ht, preimage.Matches(hash), "preimage doesn't match") + + // Check that Alice split the payment in at least two shards. Because + // the hand-off of the htlc to the link is asynchronous (via a mailbox), + // there is some non-determinism in the process. Depending on whether + // the new pathfinding round is started before or after the htlc is + // locked into the channel, different sharding may occur. Therefore, we + // can only check if the number of shards isn't below the theoretical + // minimum. + succeeded := 0 + for _, htlc := range payment.Htlcs { + if htlc.Status == lnrpc.HTLCAttempt_SUCCEEDED { + succeeded++ + } + } + + const minExpectedShards = 2 + require.GreaterOrEqual(ht, succeeded, minExpectedShards, + "expected shards not reached") + + // Make sure Dave show the invoice as settled for the full amount. + inv := dave.RPC.LookupInvoice(invoiceResp.RHash) + + require.EqualValues(ht, paymentAmt, inv.AmtPaidSat, + "incorrect payment amt") + + require.Equal(ht, lnrpc.Invoice_SETTLED, inv.State, + "Invoice not settled") + + settled := 0 + for _, htlc := range inv.Htlcs { + if htlc.State == lnrpc.InvoiceHTLCState_SETTLED { + settled++ + } + } + require.Equal(ht, succeeded, settled, "num of HTLCs wrong") + + // Close all channels without mining the closing transactions. + ht.CloseChannelAssertPending(alice, channelPoints[0], false) + ht.CloseChannelAssertPending(alice, channelPoints[1], false) + ht.CloseChannelAssertPending(bob, channelPoints[2], false) + ht.CloseChannelAssertPending(eve, channelPoints[3], false) + ht.CloseChannelAssertPending(carol, channelPoints[4], false) + + // Now mine a block to include all the closing transactions. + ht.MineBlocksAndAssertNumTxes(1, 5) + + // Assert that the channels are closed. + for _, hn := range nodes { + ht.AssertNumWaitingClose(hn, 0) + } +} diff --git a/routing/payment_session.go b/routing/payment_session.go index 14b3694071..f320ce0dcb 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -338,8 +338,12 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, switch { case err == errNoPathFound: // Don't split if this is a legacy payment without mpp - // record. - if p.payment.PaymentAddr == nil { + // record. If it has a blinded path though, then we + // can split. Split payments to blinded paths won't have + // MPP records. + if p.payment.PaymentAddr == nil && + p.payment.BlindedPayment == nil { + p.log.Debugf("not splitting because payment " + "address is unspecified") @@ -357,7 +361,8 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, !destFeatures.HasFeature(lnwire.AMPOptional) { p.log.Debug("not splitting because " + - "destination doesn't declare MPP or AMP") + "destination doesn't declare MPP or " + + "AMP") return nil, errNoPathFound } From 66765de413b43330bde4b655ed32049cc534d139 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 8 Jul 2024 08:37:56 +0200 Subject: [PATCH 172/343] itest: add route blinding dummy hops test Add an itest that tests the addition of dummy hops to a blinded path. By testing that invoices containing such a path can be paid, it also tests the peeling of dummy hops by the receiver. --- itest/list_on_test.go | 4 + itest/lnd_route_blinding_test.go | 168 +++++++++++++++++++++++++++++++ 2 files changed, 172 insertions(+) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 9938ac85f7..02fc3919f1 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -590,6 +590,10 @@ var allTestCases = []*lntest.TestCase{ Name: "mpp to single blinded path", TestFunc: testMPPToSingleBlindedPath, }, + { + Name: "route blinding dummy hops", + TestFunc: testBlindedRouteDummyHops, + }, { Name: "removetx", TestFunc: testRemoveTx, diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 96c338d2fb..42a159c198 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1051,3 +1051,171 @@ func testMPPToSingleBlindedPath(ht *lntest.HarnessTest) { ht.AssertNumWaitingClose(hn, 0) } } + +// testBlindedRouteDummyHops tests that the route blinding flow works as +// expected in the cases where the recipient chooses to pad the blinded path +// with dummy hops. +// +// We will set up the following network were Dave will always be the recipient +// and Alice is always the payer. Bob will not support route blinding and so +// will never be chosen as the introduction node. +// +// Alice -- Bob -- Carol -- Dave +// +// First we will start Carol _without_ route blinding support. Then we will +// configure Dave such that any blinded route he constructs must be 2 hops long. +// Since Carol cannot be chosen as an introduction node, Dave chooses himself +// as an introduction node and appends two dummy hops. +// Next, we will restart Carol with route blinding support and repeat the test +// but this time we force Dave to construct a path with a minimum distance of 1 +// between him and the introduction node. So we expect that Carol is chosen as +// the intro node and that one dummy hops is appended. +func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { + alice, bob := ht.Alice, ht.Bob + + // Disable route blinding for Bob so that he is never chosen as the + // introduction node. + ht.RestartNodeWithExtraArgs(bob, []string{ + "--protocol.no-route-blinding", + }) + + // Start carol without route blinding so that initially Carol is also + // not chosen. + carol := ht.NewNode("carol", []string{ + "--protocol.no-route-blinding", + }) + + // Configure Dave so that all blinded paths always contain 2 hops and + // so that there is no minimum number of real hops. + dave := ht.NewNode("dave", []string{ + "--invoices.blinding.min-num-real-hops=0", + "--invoices.blinding.num-hops=2", + }) + + ht.EnsureConnected(alice, bob) + ht.EnsureConnected(bob, carol) + ht.EnsureConnected(carol, dave) + + // Send coins to carol and mine 1 blocks to confirm them. + ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, carol) + ht.MineBlocksAndAssertNumTxes(1, 1) + + const paymentAmt = btcutil.Amount(300000) + + nodes := []*node.HarnessNode{alice, bob, carol, dave} + reqs := []*lntest.OpenChannelRequest{ + { + Local: alice, + Remote: bob, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 3, + }, + }, + { + Local: bob, + Remote: carol, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 3, + }, + }, + { + Local: carol, + Remote: dave, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 3, + }, + }, + } + + channelPoints := ht.OpenMultiChannelsAsync(reqs) + + // Make sure every node has heard about every channel. + for _, hn := range nodes { + for _, cp := range channelPoints { + ht.AssertTopologyChannelOpen(hn, cp) + } + + // Each node should have exactly 5 edges. + ht.AssertNumEdges(hn, len(channelPoints), false) + } + + // Make Dave create an invoice with a blinded path for Alice to pay. + invoice := &lnrpc.Invoice{ + Memo: "test", + Value: int64(paymentAmt), + Blind: true, + } + invoiceResp := dave.RPC.AddInvoice(invoice) + + // Assert that it contains a single blinded path and that the + // introduction node is dave. + payReq := dave.RPC.DecodePayReq(invoiceResp.PaymentRequest) + require.Len(ht, payReq.BlindedPaths, 1) + + // The total number of hop payloads is 3: one for the introduction node + // and then one for each dummy hop. + path := payReq.BlindedPaths[0].BlindedPath + require.Len(ht, path.BlindedHops, 3) + require.EqualValues(ht, path.IntroductionNode, dave.PubKey[:]) + + // Now let Alice pay the invoice. + ht.CompletePaymentRequests( + ht.Alice, []string{invoiceResp.PaymentRequest}, + ) + + // Make sure Dave show the invoice as settled. + inv := dave.RPC.LookupInvoice(invoiceResp.RHash) + require.Equal(ht, lnrpc.Invoice_SETTLED, inv.State) + + // Let's also test the case where Dave is not the introduction node. + // We restart Carol so that she supports route blinding. We also restart + // Dave and force a minimum of 1 real blinded hop. We keep the number + // of hops to 2 meaning that one dummy hop should be added. + ht.RestartNodeWithExtraArgs(carol, nil) + ht.RestartNodeWithExtraArgs(dave, []string{ + "--invoices.blinding.min-num-real-hops=1", + "--invoices.blinding.num-hops=2", + }) + ht.EnsureConnected(bob, carol) + ht.EnsureConnected(carol, dave) + + // Make Dave create an invoice with a blinded path for Alice to pay. + invoiceResp = dave.RPC.AddInvoice(invoice) + + // Assert that it contains a single blinded path and that the + // introduction node is Carol. + payReq = dave.RPC.DecodePayReq(invoiceResp.PaymentRequest) + for _, path := range payReq.BlindedPaths { + ht.Logf("intro node: %x", path.BlindedPath.IntroductionNode) + } + + require.Len(ht, payReq.BlindedPaths, 1) + + // The total number of hop payloads is 3: one for the introduction node + // and then one for each dummy hop. + path = payReq.BlindedPaths[0].BlindedPath + require.Len(ht, path.BlindedHops, 3) + require.EqualValues(ht, path.IntroductionNode, carol.PubKey[:]) + + // Now let Alice pay the invoice. + ht.CompletePaymentRequests( + ht.Alice, []string{invoiceResp.PaymentRequest}, + ) + + // Make sure Dave show the invoice as settled. + inv = dave.RPC.LookupInvoice(invoiceResp.RHash) + require.Equal(ht, lnrpc.Invoice_SETTLED, inv.State) + + // Close all channels without mining the closing transactions. + ht.CloseChannelAssertPending(alice, channelPoints[0], false) + ht.CloseChannelAssertPending(bob, channelPoints[1], false) + ht.CloseChannelAssertPending(carol, channelPoints[2], false) + + // Now mine a block to include all the closing transactions. + ht.MineBlocksAndAssertNumTxes(1, 3) + + // Assert that the channels are closed. + for _, hn := range nodes { + ht.AssertNumWaitingClose(hn, 0) + } +} From 74e45ec4bf913936f881624448ca8491d208f824 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 2 Jul 2024 14:23:18 +0200 Subject: [PATCH 173/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index ba39d05e7e..7c26b5dd57 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -114,6 +114,11 @@ * [Groundwork](https://github.com/lightningnetwork/lnd/pull/8752) in preparation for implementing route blinding receives. +* [Generate and send to](https://github.com/lightningnetwork/lnd/pull/8735) an + invoice with blinded paths. With this, the `--blind` flag can be used with + the `lncli addinvoice` command to instruct LND to include blinded paths in the + invoice. + ## Testing ## Database From c62a9c235ef85dfa514b1f17d9500d1767027e36 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 24 Jul 2024 09:49:56 +0200 Subject: [PATCH 174/343] itest: test blinded paths over private channels --- itest/lnd_route_blinding_test.go | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 42a159c198..d395d58878 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -884,7 +884,9 @@ func testErrorHandlingOnChainFailure(ht *lntest.HarnessTest) { // The following graph is created where Dave is the destination node, and he // will choose Carol as the introduction node. The channel capacities are set in // such a way that Alice will have to split the payment to dave over both the -// A->B->C-D and A->E->C->D routes. +// A->B->C-D and A->E->C->D routes. The Carol-Dave channel will also be made +// a private channel so that we can test that Dave's private channels are in +// fact being used in the chosen blinded paths. // // ---- Bob --- // / \ @@ -953,24 +955,32 @@ func testMPPToSingleBlindedPath(ht *lntest.HarnessTest) { }, }, { + // Note that this is a private channel. Local: carol, Remote: dave, Param: lntest.OpenChannelParams{ - Amt: paymentAmt * 2, + Amt: paymentAmt * 2, + Private: true, }, }, } channelPoints := ht.OpenMultiChannelsAsync(reqs) - // Make sure every node has heard about every channel. + // Make sure every node has heard about every public channel. for _, hn := range nodes { - for _, cp := range channelPoints { + var numPublic int + for i, cp := range channelPoints { + if reqs[i].Param.Private { + continue + } + + numPublic++ ht.AssertTopologyChannelOpen(hn, cp) } - // Each node should have exactly 5 edges. - ht.AssertNumEdges(hn, len(channelPoints), false) + // Each node should have exactly numPublic edges. + ht.AssertNumEdges(hn, numPublic, false) } // Make Dave create an invoice with a blinded path for Alice to pay. From 398623bde58eed290d709a61ba37682c8eed3bb0 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 24 Jul 2024 12:16:59 +0200 Subject: [PATCH 175/343] blindedpath: move blinded path logic to own pkg --- config.go | 3 + itest/lnd_route_blinding_test.go | 20 +- lncfg/invoices.go | 34 - lncfg/routing.go | 40 + lnrpc/invoicesrpc/addinvoice.go | 877 +------------------- lnrpc/invoicesrpc/addinvoice_test.go | 958 ---------------------- routing/blindedpath/blinded_path.go | 842 +++++++++++++++++++ routing/blindedpath/blinded_path_test.go | 979 +++++++++++++++++++++++ routing/blindedpath/log.go | 31 + rpcserver.go | 12 +- sample-lnd.conf | 37 +- 11 files changed, 1959 insertions(+), 1874 deletions(-) create mode 100644 routing/blindedpath/blinded_path.go create mode 100644 routing/blindedpath/blinded_path_test.go create mode 100644 routing/blindedpath/log.go diff --git a/config.go b/config.go index 33ed0caf77..706391f972 100644 --- a/config.go +++ b/config.go @@ -680,6 +680,8 @@ func DefaultConfig() Config { }, Invoices: &lncfg.Invoices{ HoldExpiryDelta: lncfg.DefaultHoldInvoiceExpiryDelta, + }, + Routing: &lncfg.Routing{ BlindedPaths: lncfg.BlindedPaths{ MinNumRealHops: lncfg.DefaultMinNumRealBlindedPathHops, NumHops: lncfg.DefaultNumBlindedPathHops, @@ -1686,6 +1688,7 @@ func ValidateConfig(cfg Config, interceptor signal.Interceptor, fileParser, cfg.Sweeper, cfg.Htlcswitch, cfg.Invoices, + cfg.Routing, ) if err != nil { return nil, err diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index d395d58878..3b10f3b59e 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -367,8 +367,8 @@ func (b *blindedForwardTest) setupNetwork(ctx context.Context, // Bob to himself. b.dave = b.ht.NewNode("Dave", []string{ "--bitcoin.timelockdelta=18", - "--invoices.blinding.min-num-real-hops=2", - "--invoices.blinding.num-hops=2", + "--routing.blinding.min-num-real-hops=2", + "--routing.blinding.num-hops=2", }) b.channels = setupFourHopNetwork(b.ht, b.carol, b.dave) @@ -625,8 +625,8 @@ func testBlindedRouteInvoices(ht *lntest.HarnessTest) { // Restart Dave with blinded path restrictions that will result in him // creating a blinded path that uses himself as the introduction node. ht.RestartNodeWithExtraArgs(testCase.dave, []string{ - "--invoices.blinding.min-num-real-hops=0", - "--invoices.blinding.num-hops=0", + "--routing.blinding.min-num-real-hops=0", + "--routing.blinding.num-hops=0", }) ht.EnsureConnected(testCase.dave, testCase.carol) @@ -901,8 +901,8 @@ func testMPPToSingleBlindedPath(ht *lntest.HarnessTest) { // Restrict Dave so that he only ever chooses the Carol->Dave path for // a blinded route. dave := ht.NewNode("dave", []string{ - "--invoices.blinding.min-num-real-hops=1", - "--invoices.blinding.num-hops=1", + "--routing.blinding.min-num-real-hops=1", + "--routing.blinding.num-hops=1", }) carol := ht.NewNode("carol", nil) eve := ht.NewNode("eve", nil) @@ -1098,8 +1098,8 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { // Configure Dave so that all blinded paths always contain 2 hops and // so that there is no minimum number of real hops. dave := ht.NewNode("dave", []string{ - "--invoices.blinding.min-num-real-hops=0", - "--invoices.blinding.num-hops=2", + "--routing.blinding.min-num-real-hops=0", + "--routing.blinding.num-hops=2", }) ht.EnsureConnected(alice, bob) @@ -1183,8 +1183,8 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { // of hops to 2 meaning that one dummy hop should be added. ht.RestartNodeWithExtraArgs(carol, nil) ht.RestartNodeWithExtraArgs(dave, []string{ - "--invoices.blinding.min-num-real-hops=1", - "--invoices.blinding.num-hops=2", + "--routing.blinding.min-num-real-hops=1", + "--routing.blinding.num-hops=2", }) ht.EnsureConnected(bob, carol) ht.EnsureConnected(carol, dave) diff --git a/lncfg/invoices.go b/lncfg/invoices.go index 6f92d56b56..7922885240 100644 --- a/lncfg/invoices.go +++ b/lncfg/invoices.go @@ -1,7 +1,5 @@ package lncfg -import "fmt" - const ( // DefaultHoldInvoiceExpiryDelta defines the number of blocks before the // expiry height of a hold invoice's htlc that lnd will automatically @@ -41,20 +39,6 @@ const ( //nolint:lll type Invoices struct { HoldExpiryDelta uint32 `long:"holdexpirydelta" description:"The number of blocks before a hold invoice's htlc expires that the invoice should be canceled to prevent a force close. Force closes will not be prevented if this value is not greater than DefaultIncomingBroadcastDelta."` - - BlindedPaths BlindedPaths `group:"blinding" namespace:"blinding"` -} - -// BlindedPaths holds the configuration options for blinded paths added to -// invoices. -// -//nolint:lll -type BlindedPaths struct { - MinNumRealHops uint8 `long:"min-num-real-hops" description:"The minimum number of real hops to include in a blinded path. This doesn't include our node, so if the minimum is 1, then the path will contain at minimum our node along with an introduction node hop. If it is zero then the shortest path will use our node as an introduction node."` - NumHops uint8 `long:"num-hops" description:"The number of hops to include in a blinded path. This doesn't include our node, so if it is 1, then the path will contain our node along with an introduction node or dummy node hop. If paths shorter than NumHops is found, then they will be padded using dummy hops."` - MaxNumPaths uint8 `long:"max-num-paths" description:"The maximum number of blinded paths to select and add to an invoice."` - PolicyIncreaseMultiplier float64 `long:"policy-increase-multiplier" description:"The amount by which to increase certain policy values of hops on a blinded path in order to add a probing buffer."` - PolicyDecreaseMultiplier float64 `long:"policy-decrease-multiplier" description:"The amount by which to decrease certain policy values of hops on a blinded path in order to add a probing buffer."` } // Validate checks that the various invoice config options are sane. @@ -72,23 +56,5 @@ func (i *Invoices) Validate() error { i.HoldExpiryDelta, DefaultIncomingBroadcastDelta) } - if i.BlindedPaths.MinNumRealHops > i.BlindedPaths.NumHops { - return fmt.Errorf("the minimum number of real hops in a " + - "blinded path must be smaller than or equal to the " + - "number of hops expected to be included in each path") - } - - if i.BlindedPaths.PolicyIncreaseMultiplier < 1 { - return fmt.Errorf("the blinded route policy increase " + - "multiplier must be greater than or equal to 1") - } - - if i.BlindedPaths.PolicyDecreaseMultiplier > 1 || - i.BlindedPaths.PolicyDecreaseMultiplier < 0 { - - return fmt.Errorf("the blinded route policy decrease " + - "multiplier must be in the range (0,1]") - } - return nil } diff --git a/lncfg/routing.go b/lncfg/routing.go index 16620329e9..f8c38d147a 100644 --- a/lncfg/routing.go +++ b/lncfg/routing.go @@ -1,5 +1,7 @@ package lncfg +import "fmt" + // Routing holds the configuration options for routing. // //nolint:lll @@ -7,4 +9,42 @@ type Routing struct { AssumeChannelValid bool `long:"assumechanvalid" description:"DEPRECATED: Skip checking channel spentness during graph validation. This speedup comes at the risk of using an unvalidated view of the network for routing. (default: false)" hidden:"true"` StrictZombiePruning bool `long:"strictgraphpruning" description:"If true, then the graph will be pruned more aggressively for zombies. In practice this means that edges with a single stale edge will be considered a zombie."` + + BlindedPaths BlindedPaths `group:"blinding" namespace:"blinding"` +} + +// BlindedPaths holds the configuration options for blinded path construction. +// +//nolint:lll +type BlindedPaths struct { + MinNumRealHops uint8 `long:"min-num-real-hops" description:"The minimum number of real hops to include in a blinded path. This doesn't include our node, so if the minimum is 1, then the path will contain at minimum our node along with an introduction node hop. If it is zero then the shortest path will use our node as an introduction node."` + NumHops uint8 `long:"num-hops" description:"The number of hops to include in a blinded path. This doesn't include our node, so if it is 1, then the path will contain our node along with an introduction node or dummy node hop. If paths shorter than NumHops is found, then they will be padded using dummy hops."` + MaxNumPaths uint8 `long:"max-num-paths" description:"The maximum number of blinded paths to select and add to an invoice."` + PolicyIncreaseMultiplier float64 `long:"policy-increase-multiplier" description:"The amount by which to increase certain policy values of hops on a blinded path in order to add a probing buffer."` + PolicyDecreaseMultiplier float64 `long:"policy-decrease-multiplier" description:"The amount by which to decrease certain policy values of hops on a blinded path in order to add a probing buffer."` +} + +// Validate checks that the various routing config options are sane. +// +// NOTE: this is part of the Validator interface. +func (r *Routing) Validate() error { + if r.BlindedPaths.MinNumRealHops > r.BlindedPaths.NumHops { + return fmt.Errorf("the minimum number of real hops in a " + + "blinded path must be smaller than or equal to the " + + "number of hops expected to be included in each path") + } + + if r.BlindedPaths.PolicyIncreaseMultiplier < 1 { + return fmt.Errorf("the blinded route policy increase " + + "multiplier must be greater than or equal to 1") + } + + if r.BlindedPaths.PolicyDecreaseMultiplier > 1 || + r.BlindedPaths.PolicyDecreaseMultiplier < 0 { + + return fmt.Errorf("the blinded route policy decrease " + + "multiplier must be in the range (0,1]") + } + + return nil } diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 0e2680701a..69bc0a16e2 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -8,7 +8,6 @@ import ( "fmt" "math" mathRand "math/rand" - "slices" "sort" "time" @@ -18,7 +17,6 @@ import ( "github.com/btcsuite/btcd/chaincfg" "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/btcsuite/btcd/wire" - sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/invoices" @@ -26,10 +24,9 @@ import ( "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/netann" - "github.com/lightningnetwork/lnd/record" "github.com/lightningnetwork/lnd/routing" + "github.com/lightningnetwork/lnd/routing/blindedpath" "github.com/lightningnetwork/lnd/routing/route" - "github.com/lightningnetwork/lnd/tlv" "github.com/lightningnetwork/lnd/zpay32" ) @@ -50,16 +47,8 @@ const ( // maxHopHints is the maximum number of hint paths that will be included // in an invoice. maxHopHints = 20 - - // oneMillion is a constant used frequently in fee rate calculations. - oneMillion = uint32(1_000_000) ) -// errInvalidBlindedPath indicates that the chosen real path is not usable as -// a blinded path. -var errInvalidBlindedPath = errors.New("the chosen path results in an " + - "unusable blinded path") - // AddInvoiceConfig contains dependencies for invoice creation. type AddInvoiceConfig struct { // AddInvoice is called to add the invoice to the registry. @@ -515,32 +504,36 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, finalCLTVDelta += uint32(routing.BlockPadding) //nolint:lll - paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ - findRoutes: cfg.QueryBlindedRoutes, - fetchChannelEdgesByID: cfg.Graph.FetchChannelEdgesByID, - pathID: paymentAddr[:], - valueMsat: invoice.Value, - bestHeight: cfg.BestHeight, - minFinalCLTVExpiryDelta: finalCLTVDelta, - blocksUntilExpiry: blindedPathExpiry, - addPolicyBuffer: func(p *blindedHopPolicy) ( - *blindedHopPolicy, error) { - - return addPolicyBuffer( - p, cfg.BlindedRoutePolicyIncrMultiplier, - cfg.BlindedRoutePolicyDecrMultiplier, - ) - }, - minNumHops: cfg.MinNumHops, - // TODO: make configurable - dummyHopPolicy: &blindedHopPolicy{ - cltvExpiryDelta: 80, - feeRate: 100, - baseFee: 100, - minHTLCMsat: 0, - maxHTLCMsat: lnwire.MaxMilliSatoshi, + paths, err := blindedpath.BuildBlindedPaymentPaths( + &blindedpath.BuildBlindedPathCfg{ + FindRoutes: cfg.QueryBlindedRoutes, + FetchChannelEdgesByID: cfg.Graph.FetchChannelEdgesByID, + PathID: paymentAddr[:], + ValueMsat: invoice.Value, + BestHeight: cfg.BestHeight, + MinFinalCLTVExpiryDelta: finalCLTVDelta, + BlocksUntilExpiry: blindedPathExpiry, + AddPolicyBuffer: func( + p *blindedpath.BlindedHopPolicy) ( + *blindedpath.BlindedHopPolicy, error) { + + //nolint:lll + return blindedpath.AddPolicyBuffer( + p, cfg.BlindedRoutePolicyIncrMultiplier, + cfg.BlindedRoutePolicyDecrMultiplier, + ) + }, + MinNumHops: cfg.MinNumHops, + // TODO: make configurable + DummyHopPolicy: &blindedpath.BlindedHopPolicy{ + CLTVExpiryDelta: 80, + FeeRate: 100, + BaseFee: 100, + MinHTLCMsat: 0, + MaxHTLCMsat: lnwire.MaxMilliSatoshi, + }, }, - }) + ) if err != nil { return nil, nil, err } @@ -972,813 +965,3 @@ func PopulateHopHints(cfg *SelectHopHintsCfg, amtMSat lnwire.MilliSatoshi, hopHints = append(hopHints, selectedHints...) return hopHints, nil } - -// buildBlindedPathCfg defines the various resources and configuration values -// required to build a blinded payment path to this node. -type buildBlindedPathCfg struct { - // findRoutes returns a set of routes to us that can be used for the - // construction of blinded paths. These routes will consist of real - // nodes advertising the route blinding feature bit. They may be of - // various lengths and may even contain only a single hop. Any route - // shorter than minNumHops will be padded with dummy hops during route - // construction. - findRoutes func(value lnwire.MilliSatoshi) ([]*route.Route, error) - - // fetchChannelEdgesByID attempts to look up the two directed edges for - // the channel identified by the channel ID. - fetchChannelEdgesByID func(chanID uint64) (*models.ChannelEdgeInfo, - *models.ChannelEdgePolicy, *models.ChannelEdgePolicy, error) - - // bestHeight can be used to fetch the best block height that this node - // is aware of. - bestHeight func() (uint32, error) - - // addPolicyBuffer is a function that can be used to alter the policy - // values of the given channel edge. The main reason for doing this is - // to add a safety buffer so that if the node makes small policy changes - // during the lifetime of the blinded path, then the path remains valid - // and so probing is more difficult. Note that this will only be called - // for the policies of real nodes and won't be applied to - // dummyHopPolicy. - addPolicyBuffer func(policy *blindedHopPolicy) (*blindedHopPolicy, - error) - - // pathID is the secret data to embed in the blinded path data that we - // will receive back as the recipient. This is the equivalent of the - // payment address used in normal payments. It lets the recipient check - // that the path is being used in the correct context. - pathID []byte - - // valueMsat is the payment amount in milli-satoshis that must be - // routed. This will be used for selecting appropriate routes to use for - // the blinded path. - valueMsat lnwire.MilliSatoshi - - // minFinalCLTVExpiryDelta is the minimum CLTV delta that the recipient - // requires for the final hop of the payment. - // - // NOTE that the caller is responsible for adding additional block - // padding to this value to account for blocks being mined while the - // payment is in-flight. - minFinalCLTVExpiryDelta uint32 - - // blocksUntilExpiry is the number of blocks that this blinded path - // should remain valid for. - blocksUntilExpiry uint32 - - // minNumHops is the minimum number of hops that each blinded path - // should be. If the number of hops in a path returned by findRoutes is - // less than this number, then dummy hops will be post-fixed to the - // route. - minNumHops uint8 - - // dummyHopPolicy holds the policy values that should be used for dummy - // hops. Note that these will _not_ be buffered via addPolicyBuffer. - dummyHopPolicy *blindedHopPolicy -} - -// buildBlindedPaymentPaths uses the passed config to construct a set of blinded -// payment paths that can be added to the invoice. -func buildBlindedPaymentPaths(cfg *buildBlindedPathCfg) ( - []*zpay32.BlindedPaymentPath, error) { - - if cfg.minFinalCLTVExpiryDelta >= cfg.blocksUntilExpiry { - return nil, fmt.Errorf("blinded path CLTV expiry delta (%d) "+ - "must be greater than the minimum final CLTV expiry "+ - "delta (%d)", cfg.blocksUntilExpiry, - cfg.minFinalCLTVExpiryDelta) - } - - // Find some appropriate routes for the value to be routed. This will - // return a set of routes made up of real nodes. - routes, err := cfg.findRoutes(cfg.valueMsat) - if err != nil { - return nil, err - } - - if len(routes) == 0 { - return nil, fmt.Errorf("could not find any routes to self to " + - "use for blinded route construction") - } - - // Not every route returned will necessarily result in a usable blinded - // path and so the number of paths returned might be less than the - // number of real routes returned by findRoutes above. - paths := make([]*zpay32.BlindedPaymentPath, 0, len(routes)) - - // For each route returned, we will construct the associated blinded - // payment path. - for _, route := range routes { - path, err := buildBlindedPaymentPath( - cfg, extractCandidatePath(route), - ) - if errors.Is(err, errInvalidBlindedPath) { - log.Debugf("Not using route (%s) as a blinded path "+ - "since it resulted in an invalid blinded path", - route) - - continue - } - - if err != nil { - return nil, err - } - - paths = append(paths, path) - } - - if len(paths) == 0 { - return nil, fmt.Errorf("could not build any blinded paths") - } - - return paths, nil -} - -// buildBlindedPaymentPath takes a route from an introduction node to this node -// and uses the given config to convert it into a blinded payment path. -func buildBlindedPaymentPath(cfg *buildBlindedPathCfg, path *candidatePath) ( - *zpay32.BlindedPaymentPath, error) { - - // Pad the given route with dummy hops until the minimum number of hops - // is met. - err := path.padWithDummyHops(cfg.minNumHops) - if err != nil { - return nil, err - } - - hops, minHTLC, maxHTLC, err := collectRelayInfo(cfg, path) - if err != nil { - return nil, fmt.Errorf("could not collect blinded path relay "+ - "info: %w", err) - } - - relayInfo := make([]*record.PaymentRelayInfo, len(hops)) - for i, hop := range hops { - relayInfo[i] = hop.relayInfo - } - - // Using the collected relay info, we can calculate the aggregated - // policy values for the route. - baseFee, feeRate, cltvDelta := calcBlindedPathPolicies( - relayInfo, uint16(cfg.minFinalCLTVExpiryDelta), - ) - - currentHeight, err := cfg.bestHeight() - if err != nil { - return nil, err - } - - // The next step is to calculate the payment constraints to communicate - // to each hop and to package up the hop info for each hop. We will - // handle the final hop first since its payload looks a bit different, - // and then we will iterate backwards through the remaining hops. - // - // Note that the +1 here is required because the route won't have the - // introduction node included in the "Hops". But since we want to create - // payloads for all the hops as well as the introduction node, we add 1 - // here to get the full hop length along with the introduction node. - hopDataSet := make([]*hopData, 0, len(path.hops)+1) - - // Determine the maximum CLTV expiry for the destination node. - cltvExpiry := currentHeight + cfg.blocksUntilExpiry + - cfg.minFinalCLTVExpiryDelta - - constraints := &record.PaymentConstraints{ - MaxCltvExpiry: cltvExpiry, - HtlcMinimumMsat: minHTLC, - } - - // If the blinded route has only a source node (introduction node) and - // no hops, then the destination node is also the source node. - finalHopPubKey := path.introNode - if len(path.hops) > 0 { - finalHopPubKey = path.hops[len(path.hops)-1].pubKey - } - - // For the final hop, we only send it the path ID and payment - // constraints. - info, err := buildFinalHopRouteData( - finalHopPubKey, cfg.pathID, constraints, - ) - if err != nil { - return nil, err - } - - hopDataSet = append(hopDataSet, info) - - // Iterate through the remaining (non-final) hops, back to front. - for i := len(hops) - 1; i >= 0; i-- { - hop := hops[i] - - cltvExpiry += uint32(hop.relayInfo.CltvExpiryDelta) - - constraints = &record.PaymentConstraints{ - MaxCltvExpiry: cltvExpiry, - HtlcMinimumMsat: minHTLC, - } - - var info *hopData - if hop.nextHopIsDummy { - info, err = buildDummyRouteData( - hop.hopPubKey, hop.relayInfo, constraints, - ) - } else { - info, err = buildHopRouteData( - hop.hopPubKey, hop.nextSCID, hop.relayInfo, - constraints, - ) - } - if err != nil { - return nil, err - } - - hopDataSet = append(hopDataSet, info) - } - - // Sort the hop info list in reverse order so that the data for the - // introduction node is first. - slices.Reverse(hopDataSet) - - // Add padding to each route data instance until the encrypted data - // blobs are all the same size. - paymentPath, _, err := padHopInfo(hopDataSet, true) - if err != nil { - return nil, err - } - - // Derive an ephemeral session key. - sessionKey, err := btcec.NewPrivateKey() - if err != nil { - return nil, err - } - - // Encrypt the hop info. - blindedPath, err := sphinx.BuildBlindedPath(sessionKey, paymentPath) - if err != nil { - return nil, err - } - - if len(blindedPath.BlindedHops) < 1 { - return nil, fmt.Errorf("blinded path must have at least one " + - "hop") - } - - // Overwrite the introduction point's blinded pub key with the real - // pub key since then we can use this more compact format in the - // invoice without needing to encode the un-used blinded node pub key of - // the intro node. - blindedPath.BlindedHops[0].BlindedNodePub = - blindedPath.IntroductionPoint - - // Now construct a z32 blinded path. - return &zpay32.BlindedPaymentPath{ - FeeBaseMsat: uint32(baseFee), - FeeRate: feeRate, - CltvExpiryDelta: cltvDelta, - HTLCMinMsat: uint64(minHTLC), - HTLCMaxMsat: uint64(maxHTLC), - Features: lnwire.EmptyFeatureVector(), - FirstEphemeralBlindingPoint: blindedPath.BlindingPoint, - Hops: blindedPath.BlindedHops, - }, nil -} - -// hopRelayInfo packages together the relay info to send to hop on a blinded -// path along with the pub key of that hop and the SCID that the hop should -// forward the payment on to. -type hopRelayInfo struct { - hopPubKey route.Vertex - nextSCID lnwire.ShortChannelID - relayInfo *record.PaymentRelayInfo - nextHopIsDummy bool -} - -// collectRelayInfo collects the relay policy rules for each relay hop on the -// route and applies any policy buffers. -// -// For the blinded route: -// -// C --chan(CB)--> B --chan(BA)--> A -// -// where C is the introduction node, the route.Route struct we are given will -// have SourcePubKey set to C's pub key, and then it will have the following -// route.Hops: -// -// - PubKeyBytes: B, ChannelID: chan(CB) -// - PubKeyBytes: A, ChannelID: chan(BA) -// -// We, however, want to collect the channel policies for the following PubKey -// and ChannelID pairs: -// -// - PubKey: C, ChannelID: chan(CB) -// - PubKey: B, ChannelID: chan(BA) -// -// Therefore, when we go through the route and its hops to collect policies, our -// index for collecting public keys will be trailing that of the channel IDs by -// 1. -func collectRelayInfo(cfg *buildBlindedPathCfg, path *candidatePath) ( - []*hopRelayInfo, lnwire.MilliSatoshi, lnwire.MilliSatoshi, error) { - - var ( - hops = make([]*hopRelayInfo, 0, len(path.hops)) - minHTLC lnwire.MilliSatoshi - maxHTLC lnwire.MilliSatoshi - ) - - var ( - // The first pub key is that of the introduction node. - hopSource = path.introNode - ) - for _, hop := range path.hops { - var ( - // For dummy hops, we use pre-configured policy values. - policy = cfg.dummyHopPolicy - err error - ) - if !hop.isDummy { - // For real hops, retrieve the channel policy for this - // hop's channel ID in the direction pointing away from - // the hopSource node. - policy, err = getNodeChannelPolicy( - cfg, hop.channelID, hopSource, - ) - if err != nil { - return nil, 0, 0, err - } - - // Apply any policy changes now before caching the - // policy. - policy, err = cfg.addPolicyBuffer(policy) - if err != nil { - return nil, 0, 0, err - } - } - - // If this is the first policy we are collecting, then use this - // policy to set the base values for min/max htlc. - if len(hops) == 0 { - minHTLC = policy.minHTLCMsat - maxHTLC = policy.maxHTLCMsat - } else { - if policy.minHTLCMsat > minHTLC { - minHTLC = policy.minHTLCMsat - } - - if policy.maxHTLCMsat < maxHTLC { - maxHTLC = policy.maxHTLCMsat - } - } - - // From the policy values for this hop, we can collect the - // payment relay info that we will send to this hop. - hops = append(hops, &hopRelayInfo{ - hopPubKey: hopSource, - nextSCID: lnwire.NewShortChanIDFromInt(hop.channelID), - relayInfo: &record.PaymentRelayInfo{ - FeeRate: policy.feeRate, - BaseFee: policy.baseFee, - CltvExpiryDelta: policy.cltvExpiryDelta, - }, - nextHopIsDummy: hop.isDummy, - }) - - // This hop's pub key will be the policy creator for the next - // hop. - hopSource = hop.pubKey - } - - // It can happen that there is no HTLC-range overlap between the various - // hops along the path. We return errInvalidBlindedPath to indicate that - // this route was not usable - if minHTLC > maxHTLC { - return nil, 0, 0, fmt.Errorf("%w: resulting blinded path min "+ - "HTLC value is larger than the resulting max HTLC "+ - "value", errInvalidBlindedPath) - } - - return hops, minHTLC, maxHTLC, nil -} - -// buildDummyRouteData constructs the record.BlindedRouteData struct for the -// given a hop in a blinded route where the following hop is a dummy hop. -func buildDummyRouteData(node route.Vertex, relayInfo *record.PaymentRelayInfo, - constraints *record.PaymentConstraints) (*hopData, error) { - - nodeID, err := btcec.ParsePubKey(node[:]) - if err != nil { - return nil, err - } - - return &hopData{ - data: record.NewDummyHopRouteData( - nodeID, *relayInfo, *constraints, - ), - nodeID: nodeID, - }, nil -} - -// buildHopRouteData constructs the record.BlindedRouteData struct for the given -// non-final hop on a blinded path and packages it with the node's ID. -func buildHopRouteData(node route.Vertex, scid lnwire.ShortChannelID, - relayInfo *record.PaymentRelayInfo, - constraints *record.PaymentConstraints) (*hopData, error) { - - // Wrap up the data we want to send to this hop. - blindedRouteHopData := record.NewNonFinalBlindedRouteData( - scid, nil, *relayInfo, constraints, nil, - ) - - nodeID, err := btcec.ParsePubKey(node[:]) - if err != nil { - return nil, err - } - - return &hopData{ - data: blindedRouteHopData, - nodeID: nodeID, - }, nil -} - -// buildFinalHopRouteData constructs the record.BlindedRouteData struct for the -// final hop and packages it with the real node ID of the node it is intended -// for. -func buildFinalHopRouteData(node route.Vertex, pathID []byte, - constraints *record.PaymentConstraints) (*hopData, error) { - - blindedRouteHopData := record.NewFinalHopBlindedRouteData( - constraints, pathID, - ) - nodeID, err := btcec.ParsePubKey(node[:]) - if err != nil { - return nil, err - } - - return &hopData{ - data: blindedRouteHopData, - nodeID: nodeID, - }, nil -} - -// getNodeChanPolicy fetches the routing policy info for the given channel and -// node pair. -func getNodeChannelPolicy(cfg *buildBlindedPathCfg, chanID uint64, - nodeID route.Vertex) (*blindedHopPolicy, error) { - - // Attempt to fetch channel updates for the given channel. We will have - // at most two updates for a given channel. - _, update1, update2, err := cfg.fetchChannelEdgesByID(chanID) - if err != nil { - return nil, err - } - - // Now we need to determine which of the updates was created by the - // node in question. We know the update is the correct one if the - // "ToNode" for the fetched policy is _not_ equal to the node ID in - // question. - var policy *models.ChannelEdgePolicy - switch { - case update1 != nil && !bytes.Equal(update1.ToNode[:], nodeID[:]): - policy = update1 - - case update2 != nil && !bytes.Equal(update2.ToNode[:], nodeID[:]): - policy = update2 - - default: - return nil, fmt.Errorf("no channel updates found from node "+ - "%s for channel %d", nodeID, chanID) - } - - return &blindedHopPolicy{ - cltvExpiryDelta: policy.TimeLockDelta, - feeRate: uint32(policy.FeeProportionalMillionths), - baseFee: policy.FeeBaseMSat, - minHTLCMsat: policy.MinHTLC, - maxHTLCMsat: policy.MaxHTLC, - }, nil -} - -// candidatePath holds all the information about a route to this node that we -// need in order to build a blinded route. -type candidatePath struct { - introNode route.Vertex - finalNodeID route.Vertex - hops []*blindedPathHop -} - -// padWithDummyHops will append n dummy hops to the candidatePath hop set. The -// pub key for the dummy hop will be the same as the pub key for the final hop -// of the path. That way, the final hop will be able to decrypt the data -// encrypted for each dummy hop. -func (c *candidatePath) padWithDummyHops(n uint8) error { - for len(c.hops) < int(n) { - c.hops = append(c.hops, &blindedPathHop{ - pubKey: c.finalNodeID, - isDummy: true, - }) - } - - return nil -} - -// blindedPathHop holds the information we need to know about a hop in a route -// in order to use it in the construction of a blinded path. -type blindedPathHop struct { - // pubKey is the real pub key of a node on a blinded path. - pubKey route.Vertex - - // channelID is the channel along which the previous hop should forward - // their HTLC in order to reach this hop. - channelID uint64 - - // isDummy is true if this hop is an appended dummy hop. - isDummy bool -} - -// extractCandidatePath extracts the data it needs from the given route.Route in -// order to construct a candidatePath. -func extractCandidatePath(path *route.Route) *candidatePath { - var ( - hops = make([]*blindedPathHop, len(path.Hops)) - finalNode = path.SourcePubKey - ) - for i, hop := range path.Hops { - hops[i] = &blindedPathHop{ - pubKey: hop.PubKeyBytes, - channelID: hop.ChannelID, - } - - if i == len(path.Hops)-1 { - finalNode = hop.PubKeyBytes - } - } - - return &candidatePath{ - introNode: path.SourcePubKey, - finalNodeID: finalNode, - hops: hops, - } -} - -// blindedHopPolicy holds the set of relay policy values to use for a channel -// in a blinded path. -type blindedHopPolicy struct { - cltvExpiryDelta uint16 - feeRate uint32 - baseFee lnwire.MilliSatoshi - minHTLCMsat lnwire.MilliSatoshi - maxHTLCMsat lnwire.MilliSatoshi -} - -// addPolicyBuffer constructs the bufferedChanPolicies for a path hop by taking -// its actual policy values and multiplying them by the given multipliers. -// The base fee, fee rate and minimum HTLC msat values are adjusted via the -// incMultiplier while the maximum HTLC msat value is adjusted via the -// decMultiplier. If adjustments of the HTLC values no longer make sense -// then the original HTLC value is used. -func addPolicyBuffer(policy *blindedHopPolicy, incMultiplier, - decMultiplier float64) (*blindedHopPolicy, error) { - - if incMultiplier < 1 { - return nil, fmt.Errorf("blinded path policy increase " + - "multiplier must be greater than or equal to 1") - } - - if decMultiplier < 0 || decMultiplier > 1 { - return nil, fmt.Errorf("blinded path policy decrease " + - "multiplier must be in the range [0;1]") - } - - var ( - minHTLCMsat = lnwire.MilliSatoshi( - float64(policy.minHTLCMsat) * incMultiplier, - ) - maxHTLCMsat = lnwire.MilliSatoshi( - float64(policy.maxHTLCMsat) * decMultiplier, - ) - ) - - // Make sure the new minimum is not more than the original maximum. - // If it is, then just stick to the original minimum. - if minHTLCMsat > policy.maxHTLCMsat { - minHTLCMsat = policy.minHTLCMsat - } - - // Make sure the new maximum is not less than the original minimum. - // If it is, then just stick to the original maximum. - if maxHTLCMsat < policy.minHTLCMsat { - maxHTLCMsat = policy.maxHTLCMsat - } - - // Also ensure that the new htlc bounds make sense. If the new minimum - // is greater than the new maximum, then just let both to their original - // values. - if minHTLCMsat > maxHTLCMsat { - minHTLCMsat = policy.minHTLCMsat - maxHTLCMsat = policy.maxHTLCMsat - } - - return &blindedHopPolicy{ - cltvExpiryDelta: uint16( - float64(policy.cltvExpiryDelta) * incMultiplier, - ), - feeRate: uint32(float64(policy.feeRate) * incMultiplier), - baseFee: lnwire.MilliSatoshi( - float64(policy.baseFee) * incMultiplier, - ), - minHTLCMsat: minHTLCMsat, - maxHTLCMsat: maxHTLCMsat, - }, nil -} - -// calcBlindedPathPolicies computes the accumulated policy values for the path. -// These values include the total base fee, the total proportional fee and the -// total CLTV delta. This function assumes that all the passed relay infos have -// already been adjusted with a buffer to account for easy probing attacks. -func calcBlindedPathPolicies(relayInfo []*record.PaymentRelayInfo, - ourMinFinalCLTVDelta uint16) (lnwire.MilliSatoshi, uint32, uint16) { - - var ( - totalFeeBase lnwire.MilliSatoshi - totalFeeProp uint32 - totalCLTV = ourMinFinalCLTVDelta - ) - // Use the algorithms defined in BOLT 4 to calculate the accumulated - // relay fees for the route: - //nolint:lll - // https://github.com/lightning/bolts/blob/db278ab9b2baa0b30cfe79fb3de39280595938d3/04-onion-routing.md?plain=1#L255 - for i := len(relayInfo) - 1; i >= 0; i-- { - info := relayInfo[i] - - totalFeeBase = calcNextTotalBaseFee( - totalFeeBase, info.BaseFee, info.FeeRate, - ) - - totalFeeProp = calcNextTotalFeeRate(totalFeeProp, info.FeeRate) - - totalCLTV += info.CltvExpiryDelta - } - - return totalFeeBase, totalFeeProp, totalCLTV -} - -// calcNextTotalBaseFee takes the current total accumulated base fee of a -// blinded path at hop `n` along with the fee rate and base fee of the hop at -// `n-1` and uses these to calculate the accumulated base fee at hop `n-1`. -func calcNextTotalBaseFee(currentTotal, hopBaseFee lnwire.MilliSatoshi, - hopFeeRate uint32) lnwire.MilliSatoshi { - - numerator := (uint32(hopBaseFee) * oneMillion) + - (uint32(currentTotal) * (oneMillion + hopFeeRate)) + - oneMillion - 1 - - return lnwire.MilliSatoshi(numerator / oneMillion) -} - -// calculateNextTotalFeeRate takes the current total accumulated fee rate of a -// blinded path at hop `n` along with the fee rate of the hop at `n-1` and uses -// these to calculate the accumulated fee rate at hop `n-1`. -func calcNextTotalFeeRate(currentTotal, hopFeeRate uint32) uint32 { - numerator := (currentTotal+hopFeeRate)*oneMillion + - currentTotal*hopFeeRate + oneMillion - 1 - - return numerator / oneMillion -} - -// hopData packages the record.BlindedRouteData for a hop on a blinded path with -// the real node ID of that hop. -type hopData struct { - data *record.BlindedRouteData - nodeID *btcec.PublicKey -} - -// padStats can be used to keep track of various pieces of data that we collect -// during a call to padHopInfo. This is useful for logging and for test -// assertions. -type padStats struct { - minPayloadSize int - maxPayloadSize int - finalPaddedSize int - numIterations int -} - -// padHopInfo iterates over a set of record.BlindedRouteData and adds padding -// where needed until the resulting encrypted data blobs are all the same size. -// This may take a few iterations due to the fact that a TLV field is used to -// add this padding. For example, if we want to add a 1 byte padding to a -// record.BlindedRouteData when it does not yet have any padding, then adding -// a 1 byte padding will actually add 3 bytes due to the bytes required when -// adding the initial type and length bytes. However, on the next iteration if -// we again add just 1 byte, then only a single byte will be added. The same -// iteration is required for padding values on the BigSize encoding bucket -// edges. The number of iterations that this function takes is also returned for -// testing purposes. If prePad is true, then zero byte padding is added to each -// payload that does not yet have padding. This will save some iterations for -// the majority of cases. -func padHopInfo(hopInfo []*hopData, prePad bool) ([]*sphinx.HopInfo, *padStats, - error) { - - var ( - paymentPath = make([]*sphinx.HopInfo, len(hopInfo)) - stats padStats - ) - - // Pre-pad each payload with zero byte padding (if it does not yet have - // padding) to save a couple of iterations in the majority of cases. - if prePad { - for _, info := range hopInfo { - if info.data.Padding.IsSome() { - continue - } - - info.data.PadBy(0) - } - } - - for { - stats.numIterations++ - - // On each iteration of the loop, we first determine the - // current largest encoded data blob size. This will be the - // size we aim to get the others to match. - var ( - maxLen int - minLen = math.MaxInt8 - ) - for i, hop := range hopInfo { - plainText, err := record.EncodeBlindedRouteData( - hop.data, - ) - if err != nil { - return nil, nil, err - } - - if len(plainText) > maxLen { - maxLen = len(plainText) - - // Update the stats to take note of this new - // max since this may be the final max that all - // payloads will be padded to. - stats.finalPaddedSize = maxLen - } - if len(plainText) < minLen { - minLen = len(plainText) - } - - paymentPath[i] = &sphinx.HopInfo{ - NodePub: hop.nodeID, - PlainText: plainText, - } - } - - // If this is our first iteration, then we take note of the min - // and max lengths of the payloads pre-padding for logging - // later. - if stats.numIterations == 1 { - stats.minPayloadSize = minLen - stats.maxPayloadSize = maxLen - } - - // Now we iterate over them again and determine which ones we - // need to add padding to. - var numEqual int - for i, hop := range hopInfo { - plainText := paymentPath[i].PlainText - - // If the plaintext length is equal to the desired - // length, then we can continue. We use numEqual to - // keep track of how many have the same length. - if len(plainText) == maxLen { - numEqual++ - - continue - } - - // If we previously added padding to this hop, we keep - // the length of that initial padding too. - var existingPadding int - hop.data.Padding.WhenSome( - func(p tlv.RecordT[tlv.TlvType1, []byte]) { - existingPadding = len(p.Val) - }, - ) - - // Add some padding bytes to the hop. - hop.data.PadBy( - existingPadding + maxLen - len(plainText), - ) - } - - // If all the payloads have the same length, we can exit the - // loop. - if numEqual == len(hopInfo) { - break - } - } - - log.Debugf("Finished padding %d blinded path payloads to %d bytes "+ - "each where the pre-padded min and max sizes were %d and %d "+ - "bytes respectively", len(hopInfo), stats.finalPaddedSize, - stats.minPayloadSize, stats.maxPayloadSize) - - return paymentPath, &stats, nil -} diff --git a/lnrpc/invoicesrpc/addinvoice_test.go b/lnrpc/invoicesrpc/addinvoice_test.go index dd2d8680ef..76a529f8c6 100644 --- a/lnrpc/invoicesrpc/addinvoice_test.go +++ b/lnrpc/invoicesrpc/addinvoice_test.go @@ -1,24 +1,15 @@ package invoicesrpc import ( - "bytes" "encoding/hex" "fmt" - "math/rand" - "reflect" "testing" - "testing/quick" "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/wire" - sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" - "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lnwire" - "github.com/lightningnetwork/lnd/record" - "github.com/lightningnetwork/lnd/routing/route" - "github.com/lightningnetwork/lnd/tlv" "github.com/lightningnetwork/lnd/zpay32" "github.com/stretchr/testify/mock" "github.com/stretchr/testify/require" @@ -905,952 +896,3 @@ func TestPopulateHopHints(t *testing.T) { }) } } - -// TestApplyBlindedPathPolicyBuffer tests blinded policy adjustments. -func TestApplyBlindedPathPolicyBuffer(t *testing.T) { - tests := []struct { - name string - policyIn *blindedHopPolicy - expectedOut *blindedHopPolicy - incMultiplier float64 - decMultiplier float64 - expectedError string - }{ - { - name: "invalid increase multiplier", - incMultiplier: 0, - expectedError: "blinded path policy increase " + - "multiplier must be greater than or equal to 1", - }, - { - name: "decrease multiplier too small", - incMultiplier: 1, - decMultiplier: -1, - expectedError: "blinded path policy decrease " + - "multiplier must be in the range [0;1]", - }, - { - name: "decrease multiplier too big", - incMultiplier: 1, - decMultiplier: 2, - expectedError: "blinded path policy decrease " + - "multiplier must be in the range [0;1]", - }, - { - name: "no change", - incMultiplier: 1, - decMultiplier: 1, - policyIn: &blindedHopPolicy{ - cltvExpiryDelta: 1, - minHTLCMsat: 2, - maxHTLCMsat: 3, - baseFee: 4, - feeRate: 5, - }, - expectedOut: &blindedHopPolicy{ - cltvExpiryDelta: 1, - minHTLCMsat: 2, - maxHTLCMsat: 3, - baseFee: 4, - feeRate: 5, - }, - }, - { - name: "buffer up by 100% and down by and down " + - "by 50%", - incMultiplier: 2, - decMultiplier: 0.5, - policyIn: &blindedHopPolicy{ - cltvExpiryDelta: 10, - minHTLCMsat: 20, - maxHTLCMsat: 300, - baseFee: 40, - feeRate: 50, - }, - expectedOut: &blindedHopPolicy{ - cltvExpiryDelta: 20, - minHTLCMsat: 40, - maxHTLCMsat: 150, - baseFee: 80, - feeRate: 100, - }, - }, - { - name: "new HTLC minimum larger than OG " + - "maximum", - incMultiplier: 2, - decMultiplier: 1, - policyIn: &blindedHopPolicy{ - cltvExpiryDelta: 10, - minHTLCMsat: 20, - maxHTLCMsat: 30, - baseFee: 40, - feeRate: 50, - }, - expectedOut: &blindedHopPolicy{ - cltvExpiryDelta: 20, - minHTLCMsat: 20, - maxHTLCMsat: 30, - baseFee: 80, - feeRate: 100, - }, - }, - { - name: "new HTLC maximum smaller than OG " + - "minimum", - incMultiplier: 1, - decMultiplier: 0.5, - policyIn: &blindedHopPolicy{ - cltvExpiryDelta: 10, - minHTLCMsat: 20, - maxHTLCMsat: 30, - baseFee: 40, - feeRate: 50, - }, - expectedOut: &blindedHopPolicy{ - cltvExpiryDelta: 10, - minHTLCMsat: 20, - maxHTLCMsat: 30, - baseFee: 40, - feeRate: 50, - }, - }, - { - name: "new HTLC minimum and maximums are not " + - "compatible", - incMultiplier: 2, - decMultiplier: 0.5, - policyIn: &blindedHopPolicy{ - cltvExpiryDelta: 10, - minHTLCMsat: 30, - maxHTLCMsat: 100, - baseFee: 40, - feeRate: 50, - }, - expectedOut: &blindedHopPolicy{ - cltvExpiryDelta: 20, - minHTLCMsat: 30, - maxHTLCMsat: 100, - baseFee: 80, - feeRate: 100, - }, - }, - } - - for _, test := range tests { - test := test - t.Run(test.name, func(t *testing.T) { - t.Parallel() - - bufferedPolicy, err := addPolicyBuffer( - test.policyIn, test.incMultiplier, - test.decMultiplier, - ) - if test.expectedError != "" { - require.ErrorContains( - t, err, test.expectedError, - ) - - return - } - - require.Equal(t, test.expectedOut, bufferedPolicy) - }) - } -} - -// TestBlindedPathAccumulatedPolicyCalc tests the logic for calculating the -// accumulated routing policies of a blinded route against an example mentioned -// in the spec document: -// https://github.com/lightning/bolts/blob/master/proposals/route-blinding.md -func TestBlindedPathAccumulatedPolicyCalc(t *testing.T) { - t.Parallel() - - // In the spec example, the blinded route is: - // Carol -> Bob -> Alice - // And Alice chooses the following buffered policy for both the C->B - // and B->A edges. - nodePolicy := &record.PaymentRelayInfo{ - FeeRate: 500, - BaseFee: 100, - CltvExpiryDelta: 144, - } - - hopPolicies := []*record.PaymentRelayInfo{ - nodePolicy, - nodePolicy, - } - - // Alice's minimum final expiry delta is chosen to be 12. - aliceMinFinalExpDelta := uint16(12) - - totalBase, totalRate, totalCLTVDelta := calcBlindedPathPolicies( - hopPolicies, aliceMinFinalExpDelta, - ) - - require.Equal(t, lnwire.MilliSatoshi(201), totalBase) - require.EqualValues(t, 1001, totalRate) - require.EqualValues(t, 300, totalCLTVDelta) -} - -// TestPadBlindedHopInfo asserts that the padding of blinded hop data is done -// correctly and that it takes the expected number of iterations. -func TestPadBlindedHopInfo(t *testing.T) { - tests := []struct { - name string - expectedIterations int - expectedFinalSize int - - // We will use the pathID field of BlindedRouteData to set an - // initial payload size. The ints in this list represent the - // size of each pathID. - pathIDs []int - - // existingPadding is a map from entry index (based on the - // pathIDs set) to the number of pre-existing padding bytes to - // add. - existingPadding map[int]int - - // prePad is true if all the hop payloads should be pre-padded - // with a zero length TLV Padding field. - prePad bool - }{ - { - // If there is only one entry, then no padding is - // expected. - name: "single entry", - expectedIterations: 1, - pathIDs: []int{10}, - - // The final size will be 12 since the path ID is 10 - // bytes, and it will be prefixed by type and value - // bytes. - expectedFinalSize: 12, - }, - { - // All the payloads are the same size from the get go - // meaning that no padding is expected. - name: "all start equal", - expectedIterations: 1, - pathIDs: []int{10, 10, 10}, - - // The final size will be 12 since the path ID is 10 - // bytes, and it will be prefixed by type and value - // bytes. - expectedFinalSize: 12, - }, - { - // If the blobs differ by 1 byte it will take 4 - // iterations: - // 1) padding of 1 is added to entry 2 which will - // increase its size by 3 bytes since padding does - // not yet exist for it. - // 2) Now entry 1 will be short 2 bytes. It will be - // padded by 2 bytes but again since it is a new - // padding field, 4 bytes are added. - // 3) Finally, entry 2 is padded by 1 extra. Since it - // already does have a padding field, this does end - // up adding only 1 extra byte. - // 4) The fourth iteration determines that all are now - // the same size. - name: "differ by 1 - no pre-padding", - expectedIterations: 4, - pathIDs: []int{4, 3}, - expectedFinalSize: 10, - }, - { - // By pre-padding the payloads with a zero byte padding, - // we can reduce the number of iterations quite a bit. - name: "differ by 1 - with pre-padding", - expectedIterations: 2, - pathIDs: []int{4, 3}, - expectedFinalSize: 8, - prePad: true, - }, - { - name: "existing padding and diff of 1", - expectedIterations: 2, - pathIDs: []int{10, 11}, - - // By adding some existing padding, the type and length - // field for the padding are already accounted for in - // the first iteration, and so we only expect two - // iterations to get the payloads to match size here: - // one for adding a single extra byte to the smaller - // payload and another for confirming the sizes match. - existingPadding: map[int]int{0: 1, 1: 1}, - expectedFinalSize: 16, - }, - { - // In this test, we test a BigSize bucket shift. We do - // this by setting the initial path ID's of both entries - // to a 0 size which means the total encoding of those - // will be 2 bytes (to encode the type and length). Then - // for the initial padding, we let the first entry be - // 253 bytes long which is just long enough to be in - // the second BigSize bucket which uses 3 bytes to - // encode the value length. We make the second entry - // 252 bytes which still puts it in the first bucket - // which uses 1 byte for the length. The difference in - // overall packet size will be 3 bytes (the first entry - // has 2 more length bytes and 1 more value byte). So - // the function will try to pad the second entry by 3 - // bytes (iteration 1). This will however result in the - // second entry shifting to the second BigSize bucket - // meaning it will gain an additional 2 bytes for the - // new length encoding meaning that overall it gains 5 - // bytes in size. This will result in another iteration - // which will result in padding the first entry with an - // extra 2 bytes to meet the second entry's new size - // (iteration 2). One more iteration (3) is then done - // to confirm that all entries are now the same size. - name: "big size bucket shift", - expectedIterations: 3, - - // We make the path IDs large enough so that - pathIDs: []int{0, 0}, - existingPadding: map[int]int{0: 253, 1: 252}, - expectedFinalSize: 261, - }, - } - - for _, test := range tests { - test := test - t.Run(test.name, func(t *testing.T) { - t.Parallel() - - // If the test includes existing padding, then make sure - // that the number of existing padding entries is equal - // to the number of pathID entries. - if test.existingPadding != nil { - require.Len(t, test.existingPadding, - len(test.pathIDs)) - } - - hopDataSet := make([]*hopData, len(test.pathIDs)) - for i, l := range test.pathIDs { - pathID := tlv.SomeRecordT( - tlv.NewPrimitiveRecord[tlv.TlvType6]( - make([]byte, l), - ), - ) - data := &record.BlindedRouteData{ - PathID: pathID, - } - - if test.existingPadding != nil { - //nolint:lll - padding := tlv.SomeRecordT( - tlv.NewPrimitiveRecord[tlv.TlvType1]( - make([]byte, test.existingPadding[i]), - ), - ) - - data.Padding = padding - } - - hopDataSet[i] = &hopData{data: data} - } - - hopInfo, stats, err := padHopInfo( - hopDataSet, test.prePad, - ) - require.NoError(t, err) - require.Equal(t, test.expectedIterations, - stats.numIterations) - require.Equal(t, test.expectedFinalSize, - stats.finalPaddedSize) - - // We expect all resulting blobs to be the same size. - for _, info := range hopInfo { - require.Len( - t, info.PlainText, - test.expectedFinalSize, - ) - } - }) - } -} - -// TestPadBlindedHopInfoBlackBox tests the padHopInfo function via the -// quick.Check testing function. It generates a random set of hopData and -// asserts that the resulting padded set always has the same encoded length. -func TestPadBlindedHopInfoBlackBox(t *testing.T) { - fn := func(data hopDataList) bool { - resultList, _, err := padHopInfo(data, true) - require.NoError(t, err) - - // There should be a resulting sphinx.HopInfo struct for each - // hopData passed to the padHopInfo function. - if len(resultList) != len(data) { - return false - } - - // There is nothing left to check if input set was empty to - // start with. - if len(data) == 0 { - return true - } - - // Now, assert that the encoded size of each item is the same. - // Get the size of the first item as a base point. - payloadSize := len(resultList[0].PlainText) - - // All the other entries should have the same encoded size. - for i := 1; i < len(resultList); i++ { - if len(resultList[i].PlainText) != payloadSize { - return false - } - } - - return true - } - - require.NoError(t, quick.Check(fn, nil)) -} - -type hopDataList []*hopData - -// Generate returns a random instance of the hopDataList type. -// -// NOTE: this is part of the quick.Generate interface. -func (h hopDataList) Generate(rand *rand.Rand, size int) reflect.Value { - data := make(hopDataList, rand.Intn(size)) - for i := 0; i < len(data); i++ { - data[i] = &hopData{ - data: genBlindedRouteData(rand), - nodeID: pubkey, - } - } - - return reflect.ValueOf(data) -} - -// A compile-time check to ensure that hopDataList implements the -// quick.Generator interface. -var _ quick.Generator = (*hopDataList)(nil) - -// sometimesDo calls the given function with a 50% probability. -func sometimesDo(fn func(), rand *rand.Rand) { - if rand.Intn(1) == 0 { - return - } - - fn() -} - -// genBlindedRouteData generates a random record.BlindedRouteData object. -func genBlindedRouteData(rand *rand.Rand) *record.BlindedRouteData { - var data record.BlindedRouteData - - sometimesDo(func() { - data.Padding = tlv.SomeRecordT( - tlv.NewPrimitiveRecord[tlv.TlvType1]( - make([]byte, rand.Intn(1000000)), - ), - ) - }, rand) - - sometimesDo(func() { - data.ShortChannelID = tlv.SomeRecordT( - tlv.NewRecordT[tlv.TlvType2](lnwire.ShortChannelID{ - BlockHeight: rand.Uint32(), - TxIndex: rand.Uint32(), - TxPosition: uint16(rand.Uint32()), - }), - ) - }, rand) - - sometimesDo(func() { - data.NextNodeID = tlv.SomeRecordT( - tlv.NewPrimitiveRecord[tlv.TlvType4](pubkey), - ) - }, rand) - - sometimesDo(func() { - data.PathID = tlv.SomeRecordT( - tlv.NewPrimitiveRecord[tlv.TlvType6]( - make([]byte, rand.Intn(100)), - ), - ) - }, rand) - - sometimesDo(func() { - data.NextBlindingOverride = tlv.SomeRecordT( - tlv.NewPrimitiveRecord[tlv.TlvType8](pubkey), - ) - }, rand) - - sometimesDo(func() { - data.RelayInfo = tlv.SomeRecordT( - tlv.NewRecordT[tlv.TlvType10](record.PaymentRelayInfo{ - CltvExpiryDelta: uint16(rand.Uint32()), - FeeRate: rand.Uint32(), - BaseFee: lnwire.MilliSatoshi( - rand.Uint32(), - ), - }), - ) - }, rand) - - sometimesDo(func() { - data.Constraints = tlv.SomeRecordT( - tlv.NewRecordT[tlv.TlvType12](record.PaymentConstraints{ - MaxCltvExpiry: rand.Uint32(), - HtlcMinimumMsat: lnwire.MilliSatoshi( - rand.Uint32(), - ), - }), - ) - }, rand) - - return &data -} - -// TestBuildBlindedPath tests the logic for constructing a blinded path against -// an example mentioned in this spec document: -// https://github.com/lightning/bolts/blob/master/proposals/route-blinding.md -// This example does not use any dummy hops. -func TestBuildBlindedPath(t *testing.T) { - // Alice chooses the following path to herself for blinded path - // construction: - // Carol -> Bob -> Alice. - // Let's construct the corresponding route.Route for this which will be - // returned from the `findRoutes` config callback. - var ( - privC, pkC = btcec.PrivKeyFromBytes([]byte{1}) - privB, pkB = btcec.PrivKeyFromBytes([]byte{2}) - privA, pkA = btcec.PrivKeyFromBytes([]byte{3}) - - carol = route.NewVertex(pkC) - bob = route.NewVertex(pkB) - alice = route.NewVertex(pkA) - - chanCB = uint64(1) - chanBA = uint64(2) - ) - - realRoute := &route.Route{ - SourcePubKey: carol, - Hops: []*route.Hop{ - { - PubKeyBytes: bob, - ChannelID: chanCB, - }, - { - PubKeyBytes: alice, - ChannelID: chanBA, - }, - }, - } - - realPolicies := map[uint64]*models.ChannelEdgePolicy{ - chanCB: { - ChannelID: chanCB, - ToNode: bob, - }, - chanBA: { - ChannelID: chanBA, - ToNode: alice, - }, - } - - paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ - findRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, - error) { - - return []*route.Route{realRoute}, nil - }, - fetchChannelEdgesByID: func(chanID uint64) ( - *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, - *models.ChannelEdgePolicy, error) { - - return nil, realPolicies[chanID], nil, nil - }, - bestHeight: func() (uint32, error) { - return 1000, nil - }, - // In the spec example, all the policies get replaced with - // the same static values. - addPolicyBuffer: func(_ *blindedHopPolicy) ( - *blindedHopPolicy, error) { - - return &blindedHopPolicy{ - feeRate: 500, - baseFee: 100, - cltvExpiryDelta: 144, - minHTLCMsat: 1000, - maxHTLCMsat: lnwire.MaxMilliSatoshi, - }, nil - }, - pathID: []byte{1, 2, 3}, - valueMsat: 1000, - minFinalCLTVExpiryDelta: 12, - blocksUntilExpiry: 200, - }) - require.NoError(t, err) - require.Len(t, paths, 1) - - path := paths[0] - - // Check that all the accumulated policy values are correct. - require.EqualValues(t, 201, path.FeeBaseMsat) - require.EqualValues(t, 1001, path.FeeRate) - require.EqualValues(t, 300, path.CltvExpiryDelta) - require.EqualValues(t, 1000, path.HTLCMinMsat) - require.EqualValues(t, lnwire.MaxMilliSatoshi, path.HTLCMaxMsat) - - // Now we check the hops. - require.Len(t, path.Hops, 3) - - // Assert that all the encrypted recipient blobs have been padded such - // that they are all the same size. - require.Len(t, path.Hops[0].CipherText, len(path.Hops[1].CipherText)) - require.Len(t, path.Hops[1].CipherText, len(path.Hops[2].CipherText)) - - // The first hop, should have the real pub key of the introduction - // node: Carol. - hop := path.Hops[0] - require.True(t, hop.BlindedNodePub.IsEqual(pkC)) - - // As Carol, let's decode the hop data and assert that all expected - // values have been included. - var ( - blindingPoint = path.FirstEphemeralBlindingPoint - data *record.BlindedRouteData - ) - - // Check that Carol's info is correct. - data, blindingPoint = decryptAndDecodeHopData( - t, privC, blindingPoint, hop.CipherText, - ) - - require.Equal( - t, lnwire.NewShortChanIDFromInt(chanCB), - data.ShortChannelID.UnwrapOrFail(t).Val, - ) - - require.Equal(t, record.PaymentRelayInfo{ - CltvExpiryDelta: 144, - FeeRate: 500, - BaseFee: 100, - }, data.RelayInfo.UnwrapOrFail(t).Val) - - require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1500, - HtlcMinimumMsat: 1000, - }, data.Constraints.UnwrapOrFail(t).Val) - - // Check that all Bob's info is correct. - hop = path.Hops[1] - data, blindingPoint = decryptAndDecodeHopData( - t, privB, blindingPoint, hop.CipherText, - ) - - require.Equal( - t, lnwire.NewShortChanIDFromInt(chanBA), - data.ShortChannelID.UnwrapOrFail(t).Val, - ) - - require.Equal(t, record.PaymentRelayInfo{ - CltvExpiryDelta: 144, - FeeRate: 500, - BaseFee: 100, - }, data.RelayInfo.UnwrapOrFail(t).Val) - - require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1356, - HtlcMinimumMsat: 1000, - }, data.Constraints.UnwrapOrFail(t).Val) - - // Check that all Alice's info is correct. - hop = path.Hops[2] - data, _ = decryptAndDecodeHopData( - t, privA, blindingPoint, hop.CipherText, - ) - require.True(t, data.ShortChannelID.IsNone()) - require.True(t, data.RelayInfo.IsNone()) - require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1212, - HtlcMinimumMsat: 1000, - }, data.Constraints.UnwrapOrFail(t).Val) - require.Equal(t, []byte{1, 2, 3}, data.PathID.UnwrapOrFail(t).Val) -} - -// TestBuildBlindedPathWithDummyHops tests the construction of a blinded path -// which includes dummy hops. -func TestBuildBlindedPathWithDummyHops(t *testing.T) { - // Alice chooses the following path to herself for blinded path - // construction: - // Carol -> Bob -> Alice. - // Let's construct the corresponding route.Route for this which will be - // returned from the `findRoutes` config callback. - var ( - privC, pkC = btcec.PrivKeyFromBytes([]byte{1}) - privB, pkB = btcec.PrivKeyFromBytes([]byte{2}) - privA, pkA = btcec.PrivKeyFromBytes([]byte{3}) - - carol = route.NewVertex(pkC) - bob = route.NewVertex(pkB) - alice = route.NewVertex(pkA) - - chanCB = uint64(1) - chanBA = uint64(2) - ) - - realRoute := &route.Route{ - SourcePubKey: carol, - Hops: []*route.Hop{ - { - PubKeyBytes: bob, - ChannelID: chanCB, - }, - { - PubKeyBytes: alice, - ChannelID: chanBA, - }, - }, - } - - realPolicies := map[uint64]*models.ChannelEdgePolicy{ - chanCB: { - ChannelID: chanCB, - ToNode: bob, - }, - chanBA: { - ChannelID: chanBA, - ToNode: alice, - }, - } - - paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ - findRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, - error) { - - return []*route.Route{realRoute}, nil - }, - fetchChannelEdgesByID: func(chanID uint64) ( - *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, - *models.ChannelEdgePolicy, error) { - - policy, ok := realPolicies[chanID] - if !ok { - return nil, nil, nil, - fmt.Errorf("edge not found") - } - - return nil, policy, nil, nil - }, - bestHeight: func() (uint32, error) { - return 1000, nil - }, - // In the spec example, all the policies get replaced with - // the same static values. - addPolicyBuffer: func(_ *blindedHopPolicy) ( - *blindedHopPolicy, error) { - - return &blindedHopPolicy{ - feeRate: 500, - baseFee: 100, - cltvExpiryDelta: 144, - minHTLCMsat: 1000, - maxHTLCMsat: lnwire.MaxMilliSatoshi, - }, nil - }, - pathID: []byte{1, 2, 3}, - valueMsat: 1000, - minFinalCLTVExpiryDelta: 12, - blocksUntilExpiry: 200, - - // By setting the minimum number of hops to 4, we force 2 dummy - // hops to be added to the real route. - minNumHops: 4, - - dummyHopPolicy: &blindedHopPolicy{ - cltvExpiryDelta: 50, - feeRate: 100, - baseFee: 100, - minHTLCMsat: 1000, - maxHTLCMsat: lnwire.MaxMilliSatoshi, - }, - }) - require.NoError(t, err) - require.Len(t, paths, 1) - - path := paths[0] - - // Check that all the accumulated policy values are correct. - require.EqualValues(t, 403, path.FeeBaseMsat) - require.EqualValues(t, 1203, path.FeeRate) - require.EqualValues(t, 400, path.CltvExpiryDelta) - require.EqualValues(t, 1000, path.HTLCMinMsat) - require.EqualValues(t, lnwire.MaxMilliSatoshi, path.HTLCMaxMsat) - - // Now we check the hops. - require.Len(t, path.Hops, 5) - - // Assert that all the encrypted recipient blobs have been padded such - // that they are all the same size. - require.Len(t, path.Hops[0].CipherText, len(path.Hops[1].CipherText)) - require.Len(t, path.Hops[1].CipherText, len(path.Hops[2].CipherText)) - require.Len(t, path.Hops[2].CipherText, len(path.Hops[3].CipherText)) - require.Len(t, path.Hops[3].CipherText, len(path.Hops[4].CipherText)) - - // The first hop, should have the real pub key of the introduction - // node: Carol. - hop := path.Hops[0] - require.True(t, hop.BlindedNodePub.IsEqual(pkC)) - - // As Carol, let's decode the hop data and assert that all expected - // values have been included. - var ( - blindingPoint = path.FirstEphemeralBlindingPoint - data *record.BlindedRouteData - ) - - // Check that Carol's info is correct. - data, blindingPoint = decryptAndDecodeHopData( - t, privC, blindingPoint, hop.CipherText, - ) - - require.Equal( - t, lnwire.NewShortChanIDFromInt(chanCB), - data.ShortChannelID.UnwrapOrFail(t).Val, - ) - - require.Equal(t, record.PaymentRelayInfo{ - CltvExpiryDelta: 144, - FeeRate: 500, - BaseFee: 100, - }, data.RelayInfo.UnwrapOrFail(t).Val) - - require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1600, - HtlcMinimumMsat: 1000, - }, data.Constraints.UnwrapOrFail(t).Val) - - // Check that all Bob's info is correct. - hop = path.Hops[1] - data, blindingPoint = decryptAndDecodeHopData( - t, privB, blindingPoint, hop.CipherText, - ) - - require.Equal( - t, lnwire.NewShortChanIDFromInt(chanBA), - data.ShortChannelID.UnwrapOrFail(t).Val, - ) - - require.Equal(t, record.PaymentRelayInfo{ - CltvExpiryDelta: 144, - FeeRate: 500, - BaseFee: 100, - }, data.RelayInfo.UnwrapOrFail(t).Val) - - require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1456, - HtlcMinimumMsat: 1000, - }, data.Constraints.UnwrapOrFail(t).Val) - - // Check that all Alice's info is correct. The payload should contain - // a next_node_id field that is equal to Alice's public key. This - // indicates to Alice that she should continue peeling the onion. - hop = path.Hops[2] - data, blindingPoint = decryptAndDecodeHopData( - t, privA, blindingPoint, hop.CipherText, - ) - require.True(t, data.ShortChannelID.IsNone()) - require.True(t, data.RelayInfo.IsSome()) - require.True(t, data.Constraints.IsSome()) - require.Equal(t, pkA, data.NextNodeID.UnwrapOrFail(t).Val) - - // Alice should be able to decrypt the next payload with her private - // key. This next payload is yet another dummy hop. - hop = path.Hops[3] - data, blindingPoint = decryptAndDecodeHopData( - t, privA, blindingPoint, hop.CipherText, - ) - require.True(t, data.ShortChannelID.IsNone()) - require.True(t, data.RelayInfo.IsSome()) - require.True(t, data.Constraints.IsSome()) - require.Equal(t, pkA, data.NextNodeID.UnwrapOrFail(t).Val) - - // Unwrapping one more time should reveal the final hop info for Alice. - hop = path.Hops[4] - data, _ = decryptAndDecodeHopData( - t, privA, blindingPoint, hop.CipherText, - ) - require.True(t, data.ShortChannelID.IsNone()) - require.True(t, data.RelayInfo.IsNone()) - require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1212, - HtlcMinimumMsat: 1000, - }, data.Constraints.UnwrapOrFail(t).Val) - require.Equal(t, []byte{1, 2, 3}, data.PathID.UnwrapOrFail(t).Val) -} - -// TestSingleHopBlindedPath tests that blinded path construction is done -// correctly for the case where the destination node is also the introduction -// node. -func TestSingleHopBlindedPath(t *testing.T) { - var ( - _, pkC = btcec.PrivKeyFromBytes([]byte{1}) - carol = route.NewVertex(pkC) - ) - - realRoute := &route.Route{ - SourcePubKey: carol, - // No hops since Carol is both the introduction node and the - // final destination node. - Hops: []*route.Hop{}, - } - - paths, err := buildBlindedPaymentPaths(&buildBlindedPathCfg{ - findRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, - error) { - - return []*route.Route{realRoute}, nil - }, - bestHeight: func() (uint32, error) { - return 1000, nil - }, - pathID: []byte{1, 2, 3}, - valueMsat: 1000, - minFinalCLTVExpiryDelta: 12, - blocksUntilExpiry: 200, - }) - require.NoError(t, err) - require.Len(t, paths, 1) - - path := paths[0] - - // Check that all the accumulated policy values are correct. Since this - // is a unique case where the destination node is also the introduction - // node, the accumulated fee and HTLC values should be zero and the - // CLTV expiry delta should be equal to Carol's minFinalCLTVExpiryDelta. - require.EqualValues(t, 0, path.FeeBaseMsat) - require.EqualValues(t, 0, path.FeeRate) - require.EqualValues(t, 0, path.HTLCMinMsat) - require.EqualValues(t, 0, path.HTLCMaxMsat) - require.EqualValues(t, 12, path.CltvExpiryDelta) -} - -func decryptAndDecodeHopData(t *testing.T, priv *btcec.PrivateKey, - ephem *btcec.PublicKey, cipherText []byte) (*record.BlindedRouteData, - *btcec.PublicKey) { - - router := sphinx.NewRouter( - &keychain.PrivKeyECDH{PrivKey: priv}, nil, - ) - - decrypted, err := router.DecryptBlindedHopData(ephem, cipherText) - require.NoError(t, err) - - buf := bytes.NewBuffer(decrypted) - routeData, err := record.DecodeBlindedRouteData(buf) - require.NoError(t, err) - - nextEphem, err := router.NextEphemeral(ephem) - require.NoError(t, err) - - return routeData, nextEphem -} diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go new file mode 100644 index 0000000000..a6e1c07623 --- /dev/null +++ b/routing/blindedpath/blinded_path.go @@ -0,0 +1,842 @@ +package blindedpath + +import ( + "bytes" + "errors" + "fmt" + "math" + "sort" + + "github.com/btcsuite/btcd/btcec/v2" + sphinx "github.com/lightningnetwork/lightning-onion" + "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/record" + "github.com/lightningnetwork/lnd/routing/route" + "github.com/lightningnetwork/lnd/tlv" + "github.com/lightningnetwork/lnd/zpay32" +) + +const ( + // oneMillion is a constant used frequently in fee rate calculations. + oneMillion = uint32(1_000_000) +) + +// errInvalidBlindedPath indicates that the chosen real path is not usable as +// a blinded path. +var errInvalidBlindedPath = errors.New("the chosen path results in an " + + "unusable blinded path") + +// BuildBlindedPathCfg defines the various resources and configuration values +// required to build a blinded payment path to this node. +type BuildBlindedPathCfg struct { + // FindRoutes returns a set of routes to us that can be used for the + // construction of blinded paths. These routes will consist of real + // nodes advertising the route blinding feature bit. They may be of + // various lengths and may even contain only a single hop. Any route + // shorter than MinNumHops will be padded with dummy hops during route + // construction. + FindRoutes func(value lnwire.MilliSatoshi) ([]*route.Route, error) + + // FetchChannelEdgesByID attempts to look up the two directed edges for + // the channel identified by the channel ID. + FetchChannelEdgesByID func(chanID uint64) (*models.ChannelEdgeInfo, + *models.ChannelEdgePolicy, *models.ChannelEdgePolicy, error) + + // BestHeight can be used to fetch the best block height that this node + // is aware of. + BestHeight func() (uint32, error) + + // AddPolicyBuffer is a function that can be used to alter the policy + // values of the given channel edge. The main reason for doing this is + // to add a safety buffer so that if the node makes small policy changes + // during the lifetime of the blinded path, then the path remains valid + // and so probing is more difficult. Note that this will only be called + // for the policies of real nodes and won't be applied to + // DummyHopPolicy. + AddPolicyBuffer func(policy *BlindedHopPolicy) (*BlindedHopPolicy, + error) + + // PathID is the secret data to embed in the blinded path data that we + // will receive back as the recipient. This is the equivalent of the + // payment address used in normal payments. It lets the recipient check + // that the path is being used in the correct context. + PathID []byte + + // ValueMsat is the payment amount in milli-satoshis that must be + // routed. This will be used for selecting appropriate routes to use for + // the blinded path. + ValueMsat lnwire.MilliSatoshi + + // MinFinalCLTVExpiryDelta is the minimum CLTV delta that the recipient + // requires for the final hop of the payment. + // + // NOTE that the caller is responsible for adding additional block + // padding to this value to account for blocks being mined while the + // payment is in-flight. + MinFinalCLTVExpiryDelta uint32 + + // BlocksUntilExpiry is the number of blocks that this blinded path + // should remain valid for. + BlocksUntilExpiry uint32 + + // MinNumHops is the minimum number of hops that each blinded path + // should be. If the number of hops in a path returned by FindRoutes is + // less than this number, then dummy hops will be post-fixed to the + // route. + MinNumHops uint8 + + // DummyHopPolicy holds the policy values that should be used for dummy + // hops. Note that these will _not_ be buffered via AddPolicyBuffer. + DummyHopPolicy *BlindedHopPolicy +} + +// BuildBlindedPaymentPaths uses the passed config to construct a set of blinded +// payment paths that can be added to the invoice. +func BuildBlindedPaymentPaths(cfg *BuildBlindedPathCfg) ( + []*zpay32.BlindedPaymentPath, error) { + + if cfg.MinFinalCLTVExpiryDelta >= cfg.BlocksUntilExpiry { + return nil, fmt.Errorf("blinded path CLTV expiry delta (%d) "+ + "must be greater than the minimum final CLTV expiry "+ + "delta (%d)", cfg.BlocksUntilExpiry, + cfg.MinFinalCLTVExpiryDelta) + } + + // Find some appropriate routes for the value to be routed. This will + // return a set of routes made up of real nodes. + routes, err := cfg.FindRoutes(cfg.ValueMsat) + if err != nil { + return nil, err + } + + if len(routes) == 0 { + return nil, fmt.Errorf("could not find any routes to self to " + + "use for blinded route construction") + } + + // Not every route returned will necessarily result in a usable blinded + // path and so the number of paths returned might be less than the + // number of real routes returned by FindRoutes above. + paths := make([]*zpay32.BlindedPaymentPath, 0, len(routes)) + + // For each route returned, we will construct the associated blinded + // payment path. + for _, route := range routes { + path, err := buildBlindedPaymentPath( + cfg, extractCandidatePath(route), + ) + if errors.Is(err, errInvalidBlindedPath) { + log.Debugf("Not using route (%s) as a blinded path "+ + "since it resulted in an invalid blinded path", + route) + + continue + } + + if err != nil { + return nil, err + } + + paths = append(paths, path) + } + + if len(paths) == 0 { + return nil, fmt.Errorf("could not build any blinded paths") + } + + return paths, nil +} + +// buildBlindedPaymentPath takes a route from an introduction node to this node +// and uses the given config to convert it into a blinded payment path. +func buildBlindedPaymentPath(cfg *BuildBlindedPathCfg, path *candidatePath) ( + *zpay32.BlindedPaymentPath, error) { + + // Pad the given route with dummy hops until the minimum number of hops + // is met. + err := path.padWithDummyHops(cfg.MinNumHops) + if err != nil { + return nil, err + } + + hops, minHTLC, maxHTLC, err := collectRelayInfo(cfg, path) + if err != nil { + return nil, fmt.Errorf("could not collect blinded path relay "+ + "info: %w", err) + } + + relayInfo := make([]*record.PaymentRelayInfo, len(hops)) + for i, hop := range hops { + relayInfo[i] = hop.relayInfo + } + + // Using the collected relay info, we can calculate the aggregated + // policy values for the route. + baseFee, feeRate, cltvDelta := calcBlindedPathPolicies( + relayInfo, uint16(cfg.MinFinalCLTVExpiryDelta), + ) + + currentHeight, err := cfg.BestHeight() + if err != nil { + return nil, err + } + + // The next step is to calculate the payment constraints to communicate + // to each hop and to package up the hop info for each hop. We will + // handle the final hop first since its payload looks a bit different, + // and then we will iterate backwards through the remaining hops. + // + // Note that the +1 here is required because the route won't have the + // introduction node included in the "Hops". But since we want to create + // payloads for all the hops as well as the introduction node, we add 1 + // here to get the full hop length along with the introduction node. + hopDataSet := make([]*hopData, 0, len(path.hops)+1) + + // Determine the maximum CLTV expiry for the destination node. + cltvExpiry := currentHeight + cfg.BlocksUntilExpiry + + cfg.MinFinalCLTVExpiryDelta + + constraints := &record.PaymentConstraints{ + MaxCltvExpiry: cltvExpiry, + HtlcMinimumMsat: minHTLC, + } + + // If the blinded route has only a source node (introduction node) and + // no hops, then the destination node is also the source node. + finalHopPubKey := path.introNode + if len(path.hops) > 0 { + finalHopPubKey = path.hops[len(path.hops)-1].pubKey + } + + // For the final hop, we only send it the path ID and payment + // constraints. + info, err := buildFinalHopRouteData( + finalHopPubKey, cfg.PathID, constraints, + ) + if err != nil { + return nil, err + } + + hopDataSet = append(hopDataSet, info) + + // Iterate through the remaining (non-final) hops, back to front. + for i := len(hops) - 1; i >= 0; i-- { + hop := hops[i] + + cltvExpiry += uint32(hop.relayInfo.CltvExpiryDelta) + + constraints = &record.PaymentConstraints{ + MaxCltvExpiry: cltvExpiry, + HtlcMinimumMsat: minHTLC, + } + + var info *hopData + if hop.nextHopIsDummy { + info, err = buildDummyRouteData( + hop.hopPubKey, hop.relayInfo, constraints, + ) + } else { + info, err = buildHopRouteData( + hop.hopPubKey, hop.nextSCID, hop.relayInfo, + constraints, + ) + } + if err != nil { + return nil, err + } + + hopDataSet = append(hopDataSet, info) + } + + // Sort the hop info list in reverse order so that the data for the + // introduction node is first. + sort.Slice(hopDataSet, func(i, j int) bool { + return j < i + }) + + // Add padding to each route data instance until the encrypted data + // blobs are all the same size. + paymentPath, _, err := padHopInfo(hopDataSet, true) + if err != nil { + return nil, err + } + + // Derive an ephemeral session key. + sessionKey, err := btcec.NewPrivateKey() + if err != nil { + return nil, err + } + + // Encrypt the hop info. + blindedPath, err := sphinx.BuildBlindedPath(sessionKey, paymentPath) + if err != nil { + return nil, err + } + + if len(blindedPath.BlindedHops) < 1 { + return nil, fmt.Errorf("blinded path must have at least one " + + "hop") + } + + // Overwrite the introduction point's blinded pub key with the real + // pub key since then we can use this more compact format in the + // invoice without needing to encode the un-used blinded node pub key of + // the intro node. + blindedPath.BlindedHops[0].BlindedNodePub = + blindedPath.IntroductionPoint + + // Now construct a z32 blinded path. + return &zpay32.BlindedPaymentPath{ + FeeBaseMsat: uint32(baseFee), + FeeRate: feeRate, + CltvExpiryDelta: cltvDelta, + HTLCMinMsat: uint64(minHTLC), + HTLCMaxMsat: uint64(maxHTLC), + Features: lnwire.EmptyFeatureVector(), + FirstEphemeralBlindingPoint: blindedPath.BlindingPoint, + Hops: blindedPath.BlindedHops, + }, nil +} + +// hopRelayInfo packages together the relay info to send to hop on a blinded +// path along with the pub key of that hop and the SCID that the hop should +// forward the payment on to. +type hopRelayInfo struct { + hopPubKey route.Vertex + nextSCID lnwire.ShortChannelID + relayInfo *record.PaymentRelayInfo + nextHopIsDummy bool +} + +// collectRelayInfo collects the relay policy rules for each relay hop on the +// route and applies any policy buffers. +// +// For the blinded route: +// +// C --chan(CB)--> B --chan(BA)--> A +// +// where C is the introduction node, the route.Route struct we are given will +// have SourcePubKey set to C's pub key, and then it will have the following +// route.Hops: +// +// - PubKeyBytes: B, ChannelID: chan(CB) +// - PubKeyBytes: A, ChannelID: chan(BA) +// +// We, however, want to collect the channel policies for the following PubKey +// and ChannelID pairs: +// +// - PubKey: C, ChannelID: chan(CB) +// - PubKey: B, ChannelID: chan(BA) +// +// Therefore, when we go through the route and its hops to collect policies, our +// index for collecting public keys will be trailing that of the channel IDs by +// 1. +func collectRelayInfo(cfg *BuildBlindedPathCfg, path *candidatePath) ( + []*hopRelayInfo, lnwire.MilliSatoshi, lnwire.MilliSatoshi, error) { + + var ( + hops = make([]*hopRelayInfo, 0, len(path.hops)) + minHTLC lnwire.MilliSatoshi + maxHTLC lnwire.MilliSatoshi + ) + + var ( + // The first pub key is that of the introduction node. + hopSource = path.introNode + ) + for _, hop := range path.hops { + var ( + // For dummy hops, we use pre-configured policy values. + policy = cfg.DummyHopPolicy + err error + ) + if !hop.isDummy { + // For real hops, retrieve the channel policy for this + // hop's channel ID in the direction pointing away from + // the hopSource node. + policy, err = getNodeChannelPolicy( + cfg, hop.channelID, hopSource, + ) + if err != nil { + return nil, 0, 0, err + } + + // Apply any policy changes now before caching the + // policy. + policy, err = cfg.AddPolicyBuffer(policy) + if err != nil { + return nil, 0, 0, err + } + } + + // If this is the first policy we are collecting, then use this + // policy to set the base values for min/max htlc. + if len(hops) == 0 { + minHTLC = policy.MinHTLCMsat + maxHTLC = policy.MaxHTLCMsat + } else { + if policy.MinHTLCMsat > minHTLC { + minHTLC = policy.MinHTLCMsat + } + + if policy.MaxHTLCMsat < maxHTLC { + maxHTLC = policy.MaxHTLCMsat + } + } + + // From the policy values for this hop, we can collect the + // payment relay info that we will send to this hop. + hops = append(hops, &hopRelayInfo{ + hopPubKey: hopSource, + nextSCID: lnwire.NewShortChanIDFromInt(hop.channelID), + relayInfo: &record.PaymentRelayInfo{ + FeeRate: policy.FeeRate, + BaseFee: policy.BaseFee, + CltvExpiryDelta: policy.CLTVExpiryDelta, + }, + nextHopIsDummy: hop.isDummy, + }) + + // This hop's pub key will be the policy creator for the next + // hop. + hopSource = hop.pubKey + } + + // It can happen that there is no HTLC-range overlap between the various + // hops along the path. We return errInvalidBlindedPath to indicate that + // this route was not usable + if minHTLC > maxHTLC { + return nil, 0, 0, fmt.Errorf("%w: resulting blinded path min "+ + "HTLC value is larger than the resulting max HTLC "+ + "value", errInvalidBlindedPath) + } + + return hops, minHTLC, maxHTLC, nil +} + +// buildDummyRouteData constructs the record.BlindedRouteData struct for the +// given a hop in a blinded route where the following hop is a dummy hop. +func buildDummyRouteData(node route.Vertex, relayInfo *record.PaymentRelayInfo, + constraints *record.PaymentConstraints) (*hopData, error) { + + nodeID, err := btcec.ParsePubKey(node[:]) + if err != nil { + return nil, err + } + + return &hopData{ + data: record.NewDummyHopRouteData( + nodeID, *relayInfo, *constraints, + ), + nodeID: nodeID, + }, nil +} + +// buildHopRouteData constructs the record.BlindedRouteData struct for the given +// non-final hop on a blinded path and packages it with the node's ID. +func buildHopRouteData(node route.Vertex, scid lnwire.ShortChannelID, + relayInfo *record.PaymentRelayInfo, + constraints *record.PaymentConstraints) (*hopData, error) { + + // Wrap up the data we want to send to this hop. + blindedRouteHopData := record.NewNonFinalBlindedRouteData( + scid, nil, *relayInfo, constraints, nil, + ) + + nodeID, err := btcec.ParsePubKey(node[:]) + if err != nil { + return nil, err + } + + return &hopData{ + data: blindedRouteHopData, + nodeID: nodeID, + }, nil +} + +// buildFinalHopRouteData constructs the record.BlindedRouteData struct for the +// final hop and packages it with the real node ID of the node it is intended +// for. +func buildFinalHopRouteData(node route.Vertex, pathID []byte, + constraints *record.PaymentConstraints) (*hopData, error) { + + blindedRouteHopData := record.NewFinalHopBlindedRouteData( + constraints, pathID, + ) + nodeID, err := btcec.ParsePubKey(node[:]) + if err != nil { + return nil, err + } + + return &hopData{ + data: blindedRouteHopData, + nodeID: nodeID, + }, nil +} + +// getNodeChanPolicy fetches the routing policy info for the given channel and +// node pair. +func getNodeChannelPolicy(cfg *BuildBlindedPathCfg, chanID uint64, + nodeID route.Vertex) (*BlindedHopPolicy, error) { + + // Attempt to fetch channel updates for the given channel. We will have + // at most two updates for a given channel. + _, update1, update2, err := cfg.FetchChannelEdgesByID(chanID) + if err != nil { + return nil, err + } + + // Now we need to determine which of the updates was created by the + // node in question. We know the update is the correct one if the + // "ToNode" for the fetched policy is _not_ equal to the node ID in + // question. + var policy *models.ChannelEdgePolicy + switch { + case update1 != nil && !bytes.Equal(update1.ToNode[:], nodeID[:]): + policy = update1 + + case update2 != nil && !bytes.Equal(update2.ToNode[:], nodeID[:]): + policy = update2 + + default: + return nil, fmt.Errorf("no channel updates found from node "+ + "%s for channel %d", nodeID, chanID) + } + + return &BlindedHopPolicy{ + CLTVExpiryDelta: policy.TimeLockDelta, + FeeRate: uint32(policy.FeeProportionalMillionths), + BaseFee: policy.FeeBaseMSat, + MinHTLCMsat: policy.MinHTLC, + MaxHTLCMsat: policy.MaxHTLC, + }, nil +} + +// candidatePath holds all the information about a route to this node that we +// need in order to build a blinded route. +type candidatePath struct { + introNode route.Vertex + finalNodeID route.Vertex + hops []*blindedPathHop +} + +// padWithDummyHops will append n dummy hops to the candidatePath hop set. The +// pub key for the dummy hop will be the same as the pub key for the final hop +// of the path. That way, the final hop will be able to decrypt the data +// encrypted for each dummy hop. +func (c *candidatePath) padWithDummyHops(n uint8) error { + for len(c.hops) < int(n) { + c.hops = append(c.hops, &blindedPathHop{ + pubKey: c.finalNodeID, + isDummy: true, + }) + } + + return nil +} + +// blindedPathHop holds the information we need to know about a hop in a route +// in order to use it in the construction of a blinded path. +type blindedPathHop struct { + // pubKey is the real pub key of a node on a blinded path. + pubKey route.Vertex + + // channelID is the channel along which the previous hop should forward + // their HTLC in order to reach this hop. + channelID uint64 + + // isDummy is true if this hop is an appended dummy hop. + isDummy bool +} + +// extractCandidatePath extracts the data it needs from the given route.Route in +// order to construct a candidatePath. +func extractCandidatePath(path *route.Route) *candidatePath { + var ( + hops = make([]*blindedPathHop, len(path.Hops)) + finalNode = path.SourcePubKey + ) + for i, hop := range path.Hops { + hops[i] = &blindedPathHop{ + pubKey: hop.PubKeyBytes, + channelID: hop.ChannelID, + } + + if i == len(path.Hops)-1 { + finalNode = hop.PubKeyBytes + } + } + + return &candidatePath{ + introNode: path.SourcePubKey, + finalNodeID: finalNode, + hops: hops, + } +} + +// BlindedHopPolicy holds the set of relay policy values to use for a channel +// in a blinded path. +type BlindedHopPolicy struct { + CLTVExpiryDelta uint16 + FeeRate uint32 + BaseFee lnwire.MilliSatoshi + MinHTLCMsat lnwire.MilliSatoshi + MaxHTLCMsat lnwire.MilliSatoshi +} + +// AddPolicyBuffer constructs the bufferedChanPolicies for a path hop by taking +// its actual policy values and multiplying them by the given multipliers. +// The base fee, fee rate and minimum HTLC msat values are adjusted via the +// incMultiplier while the maximum HTLC msat value is adjusted via the +// decMultiplier. If adjustments of the HTLC values no longer make sense +// then the original HTLC value is used. +func AddPolicyBuffer(policy *BlindedHopPolicy, incMultiplier, + decMultiplier float64) (*BlindedHopPolicy, error) { + + if incMultiplier < 1 { + return nil, fmt.Errorf("blinded path policy increase " + + "multiplier must be greater than or equal to 1") + } + + if decMultiplier < 0 || decMultiplier > 1 { + return nil, fmt.Errorf("blinded path policy decrease " + + "multiplier must be in the range [0;1]") + } + + var ( + minHTLCMsat = lnwire.MilliSatoshi( + float64(policy.MinHTLCMsat) * incMultiplier, + ) + maxHTLCMsat = lnwire.MilliSatoshi( + float64(policy.MaxHTLCMsat) * decMultiplier, + ) + ) + + // Make sure the new minimum is not more than the original maximum. + // If it is, then just stick to the original minimum. + if minHTLCMsat > policy.MaxHTLCMsat { + minHTLCMsat = policy.MinHTLCMsat + } + + // Make sure the new maximum is not less than the original minimum. + // If it is, then just stick to the original maximum. + if maxHTLCMsat < policy.MinHTLCMsat { + maxHTLCMsat = policy.MaxHTLCMsat + } + + // Also ensure that the new htlc bounds make sense. If the new minimum + // is greater than the new maximum, then just let both to their original + // values. + if minHTLCMsat > maxHTLCMsat { + minHTLCMsat = policy.MinHTLCMsat + maxHTLCMsat = policy.MaxHTLCMsat + } + + return &BlindedHopPolicy{ + CLTVExpiryDelta: uint16( + float64(policy.CLTVExpiryDelta) * incMultiplier, + ), + FeeRate: uint32( + float64(policy.FeeRate) * incMultiplier, + ), + BaseFee: lnwire.MilliSatoshi( + float64(policy.BaseFee) * incMultiplier, + ), + MinHTLCMsat: minHTLCMsat, + MaxHTLCMsat: maxHTLCMsat, + }, nil +} + +// calcBlindedPathPolicies computes the accumulated policy values for the path. +// These values include the total base fee, the total proportional fee and the +// total CLTV delta. This function assumes that all the passed relay infos have +// already been adjusted with a buffer to account for easy probing attacks. +func calcBlindedPathPolicies(relayInfo []*record.PaymentRelayInfo, + ourMinFinalCLTVDelta uint16) (lnwire.MilliSatoshi, uint32, uint16) { + + var ( + totalFeeBase lnwire.MilliSatoshi + totalFeeProp uint32 + totalCLTV = ourMinFinalCLTVDelta + ) + // Use the algorithms defined in BOLT 4 to calculate the accumulated + // relay fees for the route: + //nolint:lll + // https://github.com/lightning/bolts/blob/db278ab9b2baa0b30cfe79fb3de39280595938d3/04-onion-routing.md?plain=1#L255 + for i := len(relayInfo) - 1; i >= 0; i-- { + info := relayInfo[i] + + totalFeeBase = calcNextTotalBaseFee( + totalFeeBase, info.BaseFee, info.FeeRate, + ) + + totalFeeProp = calcNextTotalFeeRate(totalFeeProp, info.FeeRate) + + totalCLTV += info.CltvExpiryDelta + } + + return totalFeeBase, totalFeeProp, totalCLTV +} + +// calcNextTotalBaseFee takes the current total accumulated base fee of a +// blinded path at hop `n` along with the fee rate and base fee of the hop at +// `n+1` and uses these to calculate the accumulated base fee at hop `n+1`. +func calcNextTotalBaseFee(currentTotal, hopBaseFee lnwire.MilliSatoshi, + hopFeeRate uint32) lnwire.MilliSatoshi { + + numerator := (uint32(hopBaseFee) * oneMillion) + + (uint32(currentTotal) * (oneMillion + hopFeeRate)) + + oneMillion - 1 + + return lnwire.MilliSatoshi(numerator / oneMillion) +} + +// calculateNextTotalFeeRate takes the current total accumulated fee rate of a +// blinded path at hop `n` along with the fee rate of the hop at `n+1` and uses +// these to calculate the accumulated fee rate at hop `n+1`. +func calcNextTotalFeeRate(currentTotal, hopFeeRate uint32) uint32 { + numerator := (currentTotal+hopFeeRate)*oneMillion + + currentTotal*hopFeeRate + oneMillion - 1 + + return numerator / oneMillion +} + +// hopData packages the record.BlindedRouteData for a hop on a blinded path with +// the real node ID of that hop. +type hopData struct { + data *record.BlindedRouteData + nodeID *btcec.PublicKey +} + +// padStats can be used to keep track of various pieces of data that we collect +// during a call to padHopInfo. This is useful for logging and for test +// assertions. +type padStats struct { + minPayloadSize int + maxPayloadSize int + finalPaddedSize int + numIterations int +} + +// padHopInfo iterates over a set of record.BlindedRouteData and adds padding +// where needed until the resulting encrypted data blobs are all the same size. +// This may take a few iterations due to the fact that a TLV field is used to +// add this padding. For example, if we want to add a 1 byte padding to a +// record.BlindedRouteData when it does not yet have any padding, then adding +// a 1 byte padding will actually add 3 bytes due to the bytes required when +// adding the initial type and length bytes. However, on the next iteration if +// we again add just 1 byte, then only a single byte will be added. The same +// iteration is required for padding values on the BigSize encoding bucket +// edges. The number of iterations that this function takes is also returned for +// testing purposes. If prePad is true, then zero byte padding is added to each +// payload that does not yet have padding. This will save some iterations for +// the majority of cases. +func padHopInfo(hopInfo []*hopData, prePad bool) ([]*sphinx.HopInfo, *padStats, + error) { + + var ( + paymentPath = make([]*sphinx.HopInfo, len(hopInfo)) + stats padStats + ) + + // Pre-pad each payload with zero byte padding (if it does not yet have + // padding) to save a couple of iterations in the majority of cases. + if prePad { + for _, info := range hopInfo { + if info.data.Padding.IsSome() { + continue + } + + info.data.PadBy(0) + } + } + + for { + stats.numIterations++ + + // On each iteration of the loop, we first determine the + // current largest encoded data blob size. This will be the + // size we aim to get the others to match. + var ( + maxLen int + minLen = math.MaxInt8 + ) + for i, hop := range hopInfo { + plainText, err := record.EncodeBlindedRouteData( + hop.data, + ) + if err != nil { + return nil, nil, err + } + + if len(plainText) > maxLen { + maxLen = len(plainText) + + // Update the stats to take note of this new + // max since this may be the final max that all + // payloads will be padded to. + stats.finalPaddedSize = maxLen + } + if len(plainText) < minLen { + minLen = len(plainText) + } + + paymentPath[i] = &sphinx.HopInfo{ + NodePub: hop.nodeID, + PlainText: plainText, + } + } + + // If this is our first iteration, then we take note of the min + // and max lengths of the payloads pre-padding for logging + // later. + if stats.numIterations == 1 { + stats.minPayloadSize = minLen + stats.maxPayloadSize = maxLen + } + + // Now we iterate over them again and determine which ones we + // need to add padding to. + var numEqual int + for i, hop := range hopInfo { + plainText := paymentPath[i].PlainText + + // If the plaintext length is equal to the desired + // length, then we can continue. We use numEqual to + // keep track of how many have the same length. + if len(plainText) == maxLen { + numEqual++ + + continue + } + + // If we previously added padding to this hop, we keep + // the length of that initial padding too. + var existingPadding int + hop.data.Padding.WhenSome( + func(p tlv.RecordT[tlv.TlvType1, []byte]) { + existingPadding = len(p.Val) + }, + ) + + // Add some padding bytes to the hop. + hop.data.PadBy( + existingPadding + maxLen - len(plainText), + ) + } + + // If all the payloads have the same length, we can exit the + // loop. + if numEqual == len(hopInfo) { + break + } + } + + log.Debugf("Finished padding %d blinded path payloads to %d bytes "+ + "each where the pre-padded min and max sizes were %d and %d "+ + "bytes respectively", len(hopInfo), stats.finalPaddedSize, + stats.minPayloadSize, stats.maxPayloadSize) + + return paymentPath, &stats, nil +} diff --git a/routing/blindedpath/blinded_path_test.go b/routing/blindedpath/blinded_path_test.go new file mode 100644 index 0000000000..68a3c90a77 --- /dev/null +++ b/routing/blindedpath/blinded_path_test.go @@ -0,0 +1,979 @@ +package blindedpath + +import ( + "bytes" + "encoding/hex" + "fmt" + "math/rand" + "reflect" + "testing" + "testing/quick" + + "github.com/btcsuite/btcd/btcec/v2" + sphinx "github.com/lightningnetwork/lightning-onion" + "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/keychain" + "github.com/lightningnetwork/lnd/lnwire" + "github.com/lightningnetwork/lnd/record" + "github.com/lightningnetwork/lnd/routing/route" + "github.com/lightningnetwork/lnd/tlv" + "github.com/stretchr/testify/require" +) + +var ( + pubkeyBytes, _ = hex.DecodeString( + "598ec453728e0ffe0ae2f5e174243cf58f2" + + "a3f2c83d2457b43036db568b11093", + ) + pubKeyY = new(btcec.FieldVal) + _ = pubKeyY.SetByteSlice(pubkeyBytes) + pubkey = btcec.NewPublicKey(new(btcec.FieldVal).SetInt(4), pubKeyY) +) + +// TestApplyBlindedPathPolicyBuffer tests blinded policy adjustments. +func TestApplyBlindedPathPolicyBuffer(t *testing.T) { + tests := []struct { + name string + policyIn *BlindedHopPolicy + expectedOut *BlindedHopPolicy + incMultiplier float64 + decMultiplier float64 + expectedError string + }{ + { + name: "invalid increase multiplier", + incMultiplier: 0, + expectedError: "blinded path policy increase " + + "multiplier must be greater than or equal to 1", + }, + { + name: "decrease multiplier too small", + incMultiplier: 1, + decMultiplier: -1, + expectedError: "blinded path policy decrease " + + "multiplier must be in the range [0;1]", + }, + { + name: "decrease multiplier too big", + incMultiplier: 1, + decMultiplier: 2, + expectedError: "blinded path policy decrease " + + "multiplier must be in the range [0;1]", + }, + { + name: "no change", + incMultiplier: 1, + decMultiplier: 1, + policyIn: &BlindedHopPolicy{ + CLTVExpiryDelta: 1, + MinHTLCMsat: 2, + MaxHTLCMsat: 3, + BaseFee: 4, + FeeRate: 5, + }, + expectedOut: &BlindedHopPolicy{ + CLTVExpiryDelta: 1, + MinHTLCMsat: 2, + MaxHTLCMsat: 3, + BaseFee: 4, + FeeRate: 5, + }, + }, + { + name: "buffer up by 100% and down by 50%", + incMultiplier: 2, + decMultiplier: 0.5, + policyIn: &BlindedHopPolicy{ + CLTVExpiryDelta: 10, + MinHTLCMsat: 20, + MaxHTLCMsat: 300, + BaseFee: 40, + FeeRate: 50, + }, + expectedOut: &BlindedHopPolicy{ + CLTVExpiryDelta: 20, + MinHTLCMsat: 40, + MaxHTLCMsat: 150, + BaseFee: 80, + FeeRate: 100, + }, + }, + { + name: "new HTLC minimum larger than OG " + + "maximum", + incMultiplier: 2, + decMultiplier: 1, + policyIn: &BlindedHopPolicy{ + CLTVExpiryDelta: 10, + MinHTLCMsat: 20, + MaxHTLCMsat: 30, + BaseFee: 40, + FeeRate: 50, + }, + expectedOut: &BlindedHopPolicy{ + CLTVExpiryDelta: 20, + MinHTLCMsat: 20, + MaxHTLCMsat: 30, + BaseFee: 80, + FeeRate: 100, + }, + }, + { + name: "new HTLC maximum smaller than OG " + + "minimum", + incMultiplier: 1, + decMultiplier: 0.5, + policyIn: &BlindedHopPolicy{ + CLTVExpiryDelta: 10, + MinHTLCMsat: 20, + MaxHTLCMsat: 30, + BaseFee: 40, + FeeRate: 50, + }, + expectedOut: &BlindedHopPolicy{ + CLTVExpiryDelta: 10, + MinHTLCMsat: 20, + MaxHTLCMsat: 30, + BaseFee: 40, + FeeRate: 50, + }, + }, + { + name: "new HTLC minimum and maximums are not " + + "compatible", + incMultiplier: 2, + decMultiplier: 0.5, + policyIn: &BlindedHopPolicy{ + CLTVExpiryDelta: 10, + MinHTLCMsat: 30, + MaxHTLCMsat: 100, + BaseFee: 40, + FeeRate: 50, + }, + expectedOut: &BlindedHopPolicy{ + CLTVExpiryDelta: 20, + MinHTLCMsat: 30, + MaxHTLCMsat: 100, + BaseFee: 80, + FeeRate: 100, + }, + }, + } + + for _, test := range tests { + test := test + t.Run(test.name, func(t *testing.T) { + t.Parallel() + + bufferedPolicy, err := AddPolicyBuffer( + test.policyIn, test.incMultiplier, + test.decMultiplier, + ) + if test.expectedError != "" { + require.ErrorContains( + t, err, test.expectedError, + ) + + return + } + + require.Equal(t, test.expectedOut, bufferedPolicy) + }) + } +} + +// TestBlindedPathAccumulatedPolicyCalc tests the logic for calculating the +// accumulated routing policies of a blinded route against an example mentioned +// in the spec document: +// https://github.com/lightning/bolts/blob/master/proposals/route-blinding.md +func TestBlindedPathAccumulatedPolicyCalc(t *testing.T) { + t.Parallel() + + // In the spec example, the blinded route is: + // Carol -> Bob -> Alice + // And Alice chooses the following buffered policy for both the C->B + // and B->A edges. + nodePolicy := &record.PaymentRelayInfo{ + FeeRate: 500, + BaseFee: 100, + CltvExpiryDelta: 144, + } + + hopPolicies := []*record.PaymentRelayInfo{ + nodePolicy, + nodePolicy, + } + + // Alice's minimum final expiry delta is chosen to be 12. + aliceMinFinalExpDelta := uint16(12) + + totalBase, totalRate, totalCLTVDelta := calcBlindedPathPolicies( + hopPolicies, aliceMinFinalExpDelta, + ) + + require.Equal(t, lnwire.MilliSatoshi(201), totalBase) + require.EqualValues(t, 1001, totalRate) + require.EqualValues(t, 300, totalCLTVDelta) +} + +// TestPadBlindedHopInfo asserts that the padding of blinded hop data is done +// correctly and that it takes the expected number of iterations. +func TestPadBlindedHopInfo(t *testing.T) { + tests := []struct { + name string + expectedIterations int + expectedFinalSize int + + // We will use the PathID field of BlindedRouteData to set an + // initial payload size. The ints in this list represent the + // size of each PathID. + pathIDs []int + + // existingPadding is a map from entry index (based on the + // pathIDs set) to the number of pre-existing padding bytes to + // add. + existingPadding map[int]int + + // prePad is true if all the hop payloads should be pre-padded + // with a zero length TLV Padding field. + prePad bool + }{ + { + // If there is only one entry, then no padding is + // expected. + name: "single entry", + expectedIterations: 1, + pathIDs: []int{10}, + + // The final size will be 12 since the path ID is 10 + // bytes, and it will be prefixed by type and value + // bytes. + expectedFinalSize: 12, + }, + { + // All the payloads are the same size from the get go + // meaning that no padding is expected. + name: "all start equal", + expectedIterations: 1, + pathIDs: []int{10, 10, 10}, + + // The final size will be 12 since the path ID is 10 + // bytes, and it will be prefixed by type and value + // bytes. + expectedFinalSize: 12, + }, + { + // If the blobs differ by 1 byte it will take 4 + // iterations: + // 1) padding of 1 is added to entry 2 which will + // increase its size by 3 bytes since padding does + // not yet exist for it. + // 2) Now entry 1 will be short 2 bytes. It will be + // padded by 2 bytes but again since it is a new + // padding field, 4 bytes are added. + // 3) Finally, entry 2 is padded by 1 extra. Since it + // already does have a padding field, this does end + // up adding only 1 extra byte. + // 4) The fourth iteration determines that all are now + // the same size. + name: "differ by 1 - no pre-padding", + expectedIterations: 4, + pathIDs: []int{4, 3}, + expectedFinalSize: 10, + }, + { + // By pre-padding the payloads with a zero byte padding, + // we can reduce the number of iterations quite a bit. + name: "differ by 1 - with pre-padding", + expectedIterations: 2, + pathIDs: []int{4, 3}, + expectedFinalSize: 8, + prePad: true, + }, + { + name: "existing padding and diff of 1", + expectedIterations: 2, + pathIDs: []int{10, 11}, + + // By adding some existing padding, the type and length + // field for the padding are already accounted for in + // the first iteration, and so we only expect two + // iterations to get the payloads to match size here: + // one for adding a single extra byte to the smaller + // payload and another for confirming the sizes match. + existingPadding: map[int]int{0: 1, 1: 1}, + expectedFinalSize: 16, + }, + { + // In this test, we test a BigSize bucket shift. We do + // this by setting the initial path ID's of both entries + // to a 0 size which means the total encoding of those + // will be 2 bytes (to encode the type and length). Then + // for the initial padding, we let the first entry be + // 253 bytes long which is just long enough to be in + // the second BigSize bucket which uses 3 bytes to + // encode the value length. We make the second entry + // 252 bytes which still puts it in the first bucket + // which uses 1 byte for the length. The difference in + // overall packet size will be 3 bytes (the first entry + // has 2 more length bytes and 1 more value byte). So + // the function will try to pad the second entry by 3 + // bytes (iteration 1). This will however result in the + // second entry shifting to the second BigSize bucket + // meaning it will gain an additional 2 bytes for the + // new length encoding meaning that overall it gains 5 + // bytes in size. This will result in another iteration + // which will result in padding the first entry with an + // extra 2 bytes to meet the second entry's new size + // (iteration 2). One more iteration (3) is then done + // to confirm that all entries are now the same size. + name: "big size bucket shift", + expectedIterations: 3, + + // We make the path IDs large enough so that + pathIDs: []int{0, 0}, + existingPadding: map[int]int{0: 253, 1: 252}, + expectedFinalSize: 261, + }, + } + + for _, test := range tests { + test := test + t.Run(test.name, func(t *testing.T) { + t.Parallel() + + // If the test includes existing padding, then make sure + // that the number of existing padding entries is equal + // to the number of PathID entries. + if test.existingPadding != nil { + require.Len(t, test.existingPadding, + len(test.pathIDs)) + } + + hopDataSet := make([]*hopData, len(test.pathIDs)) + for i, l := range test.pathIDs { + pathID := tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType6]( + make([]byte, l), + ), + ) + data := &record.BlindedRouteData{ + PathID: pathID, + } + + if test.existingPadding != nil { + //nolint:lll + padding := tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType1]( + make([]byte, test.existingPadding[i]), + ), + ) + + data.Padding = padding + } + + hopDataSet[i] = &hopData{data: data} + } + + hopInfo, stats, err := padHopInfo( + hopDataSet, test.prePad, + ) + require.NoError(t, err) + require.Equal(t, test.expectedIterations, + stats.numIterations) + require.Equal(t, test.expectedFinalSize, + stats.finalPaddedSize) + + // We expect all resulting blobs to be the same size. + for _, info := range hopInfo { + require.Len( + t, info.PlainText, + test.expectedFinalSize, + ) + } + }) + } +} + +// TestPadBlindedHopInfoBlackBox tests the padHopInfo function via the +// quick.Check testing function. It generates a random set of hopData and +// asserts that the resulting padded set always has the same encoded length. +func TestPadBlindedHopInfoBlackBox(t *testing.T) { + fn := func(data hopDataList) bool { + resultList, _, err := padHopInfo(data, true) + require.NoError(t, err) + + // There should be a resulting sphinx.HopInfo struct for each + // hopData passed to the padHopInfo function. + if len(resultList) != len(data) { + return false + } + + // There is nothing left to check if input set was empty to + // start with. + if len(data) == 0 { + return true + } + + // Now, assert that the encoded size of each item is the same. + // Get the size of the first item as a base point. + payloadSize := len(resultList[0].PlainText) + + // All the other entries should have the same encoded size. + for i := 1; i < len(resultList); i++ { + if len(resultList[i].PlainText) != payloadSize { + return false + } + } + + return true + } + + require.NoError(t, quick.Check(fn, nil)) +} + +type hopDataList []*hopData + +// Generate returns a random instance of the hopDataList type. +// +// NOTE: this is part of the quick.Generate interface. +func (h hopDataList) Generate(rand *rand.Rand, size int) reflect.Value { + data := make(hopDataList, rand.Intn(size)) + for i := 0; i < len(data); i++ { + data[i] = &hopData{ + data: genBlindedRouteData(rand), + nodeID: pubkey, + } + } + + return reflect.ValueOf(data) +} + +// A compile-time check to ensure that hopDataList implements the +// quick.Generator interface. +var _ quick.Generator = (*hopDataList)(nil) + +// sometimesDo calls the given function with a 50% probability. +func sometimesDo(fn func(), rand *rand.Rand) { + if rand.Intn(1) == 0 { + return + } + + fn() +} + +// genBlindedRouteData generates a random record.BlindedRouteData object. +func genBlindedRouteData(rand *rand.Rand) *record.BlindedRouteData { + var data record.BlindedRouteData + + sometimesDo(func() { + data.Padding = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType1]( + make([]byte, rand.Intn(1000000)), + ), + ) + }, rand) + + sometimesDo(func() { + data.ShortChannelID = tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType2](lnwire.ShortChannelID{ + BlockHeight: rand.Uint32(), + TxIndex: rand.Uint32(), + TxPosition: uint16(rand.Uint32()), + }), + ) + }, rand) + + sometimesDo(func() { + data.NextNodeID = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType4](pubkey), + ) + }, rand) + + sometimesDo(func() { + data.PathID = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType6]( + make([]byte, rand.Intn(100)), + ), + ) + }, rand) + + sometimesDo(func() { + data.NextBlindingOverride = tlv.SomeRecordT( + tlv.NewPrimitiveRecord[tlv.TlvType8](pubkey), + ) + }, rand) + + sometimesDo(func() { + data.RelayInfo = tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType10](record.PaymentRelayInfo{ + CltvExpiryDelta: uint16(rand.Uint32()), + FeeRate: rand.Uint32(), + BaseFee: lnwire.MilliSatoshi( + rand.Uint32(), + ), + }), + ) + }, rand) + + sometimesDo(func() { + data.Constraints = tlv.SomeRecordT( + tlv.NewRecordT[tlv.TlvType12](record.PaymentConstraints{ + MaxCltvExpiry: rand.Uint32(), + HtlcMinimumMsat: lnwire.MilliSatoshi( + rand.Uint32(), + ), + }), + ) + }, rand) + + return &data +} + +// TestBuildBlindedPath tests the logic for constructing a blinded path against +// an example mentioned in this spec document: +// https://github.com/lightning/bolts/blob/master/proposals/route-blinding.md +// This example does not use any dummy hops. +func TestBuildBlindedPath(t *testing.T) { + // Alice chooses the following path to herself for blinded path + // construction: + // Carol -> Bob -> Alice. + // Let's construct the corresponding route.Route for this which will be + // returned from the `FindRoutes` config callback. + var ( + privC, pkC = btcec.PrivKeyFromBytes([]byte{1}) + privB, pkB = btcec.PrivKeyFromBytes([]byte{2}) + privA, pkA = btcec.PrivKeyFromBytes([]byte{3}) + + carol = route.NewVertex(pkC) + bob = route.NewVertex(pkB) + alice = route.NewVertex(pkA) + + chanCB = uint64(1) + chanBA = uint64(2) + ) + + realRoute := &route.Route{ + SourcePubKey: carol, + Hops: []*route.Hop{ + { + PubKeyBytes: bob, + ChannelID: chanCB, + }, + { + PubKeyBytes: alice, + ChannelID: chanBA, + }, + }, + } + + realPolicies := map[uint64]*models.ChannelEdgePolicy{ + chanCB: { + ChannelID: chanCB, + ToNode: bob, + }, + chanBA: { + ChannelID: chanBA, + ToNode: alice, + }, + } + + paths, err := BuildBlindedPaymentPaths(&BuildBlindedPathCfg{ + FindRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, + error) { + + return []*route.Route{realRoute}, nil + }, + FetchChannelEdgesByID: func(chanID uint64) ( + *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy, error) { + + return nil, realPolicies[chanID], nil, nil + }, + BestHeight: func() (uint32, error) { + return 1000, nil + }, + // In the spec example, all the policies get replaced with + // the same static values. + AddPolicyBuffer: func(_ *BlindedHopPolicy) ( + *BlindedHopPolicy, error) { + + return &BlindedHopPolicy{ + FeeRate: 500, + BaseFee: 100, + CLTVExpiryDelta: 144, + MinHTLCMsat: 1000, + MaxHTLCMsat: lnwire.MaxMilliSatoshi, + }, nil + }, + PathID: []byte{1, 2, 3}, + ValueMsat: 1000, + MinFinalCLTVExpiryDelta: 12, + BlocksUntilExpiry: 200, + }) + require.NoError(t, err) + require.Len(t, paths, 1) + + path := paths[0] + + // Check that all the accumulated policy values are correct. + require.EqualValues(t, 201, path.FeeBaseMsat) + require.EqualValues(t, 1001, path.FeeRate) + require.EqualValues(t, 300, path.CltvExpiryDelta) + require.EqualValues(t, 1000, path.HTLCMinMsat) + require.EqualValues(t, lnwire.MaxMilliSatoshi, path.HTLCMaxMsat) + + // Now we check the hops. + require.Len(t, path.Hops, 3) + + // Assert that all the encrypted recipient blobs have been padded such + // that they are all the same size. + require.Len(t, path.Hops[0].CipherText, len(path.Hops[1].CipherText)) + require.Len(t, path.Hops[1].CipherText, len(path.Hops[2].CipherText)) + + // The first hop, should have the real pub key of the introduction + // node: Carol. + hop := path.Hops[0] + require.True(t, hop.BlindedNodePub.IsEqual(pkC)) + + // As Carol, let's decode the hop data and assert that all expected + // values have been included. + var ( + blindingPoint = path.FirstEphemeralBlindingPoint + data *record.BlindedRouteData + ) + + // Check that Carol's info is correct. + data, blindingPoint = decryptAndDecodeHopData( + t, privC, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanCB), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1500, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Bob's info is correct. + hop = path.Hops[1] + data, blindingPoint = decryptAndDecodeHopData( + t, privB, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanBA), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1356, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Alice's info is correct. + hop = path.Hops[2] + data, _ = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsNone()) + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1212, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + require.Equal(t, []byte{1, 2, 3}, data.PathID.UnwrapOrFail(t).Val) +} + +// TestBuildBlindedPathWithDummyHops tests the construction of a blinded path +// which includes dummy hops. +func TestBuildBlindedPathWithDummyHops(t *testing.T) { + // Alice chooses the following path to herself for blinded path + // construction: + // Carol -> Bob -> Alice. + // Let's construct the corresponding route.Route for this which will be + // returned from the `FindRoutes` config callback. + var ( + privC, pkC = btcec.PrivKeyFromBytes([]byte{1}) + privB, pkB = btcec.PrivKeyFromBytes([]byte{2}) + privA, pkA = btcec.PrivKeyFromBytes([]byte{3}) + + carol = route.NewVertex(pkC) + bob = route.NewVertex(pkB) + alice = route.NewVertex(pkA) + + chanCB = uint64(1) + chanBA = uint64(2) + ) + + realRoute := &route.Route{ + SourcePubKey: carol, + Hops: []*route.Hop{ + { + PubKeyBytes: bob, + ChannelID: chanCB, + }, + { + PubKeyBytes: alice, + ChannelID: chanBA, + }, + }, + } + + realPolicies := map[uint64]*models.ChannelEdgePolicy{ + chanCB: { + ChannelID: chanCB, + ToNode: bob, + }, + chanBA: { + ChannelID: chanBA, + ToNode: alice, + }, + } + + paths, err := BuildBlindedPaymentPaths(&BuildBlindedPathCfg{ + FindRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, + error) { + + return []*route.Route{realRoute}, nil + }, + FetchChannelEdgesByID: func(chanID uint64) ( + *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy, error) { + + policy, ok := realPolicies[chanID] + if !ok { + return nil, nil, nil, + fmt.Errorf("edge not found") + } + + return nil, policy, nil, nil + }, + BestHeight: func() (uint32, error) { + return 1000, nil + }, + // In the spec example, all the policies get replaced with + // the same static values. + AddPolicyBuffer: func(_ *BlindedHopPolicy) ( + *BlindedHopPolicy, error) { + + return &BlindedHopPolicy{ + FeeRate: 500, + BaseFee: 100, + CLTVExpiryDelta: 144, + MinHTLCMsat: 1000, + MaxHTLCMsat: lnwire.MaxMilliSatoshi, + }, nil + }, + PathID: []byte{1, 2, 3}, + ValueMsat: 1000, + MinFinalCLTVExpiryDelta: 12, + BlocksUntilExpiry: 200, + + // By setting the minimum number of hops to 4, we force 2 dummy + // hops to be added to the real route. + MinNumHops: 4, + + DummyHopPolicy: &BlindedHopPolicy{ + CLTVExpiryDelta: 50, + FeeRate: 100, + BaseFee: 100, + MinHTLCMsat: 1000, + MaxHTLCMsat: lnwire.MaxMilliSatoshi, + }, + }) + require.NoError(t, err) + require.Len(t, paths, 1) + + path := paths[0] + + // Check that all the accumulated policy values are correct. + require.EqualValues(t, 403, path.FeeBaseMsat) + require.EqualValues(t, 1203, path.FeeRate) + require.EqualValues(t, 400, path.CltvExpiryDelta) + require.EqualValues(t, 1000, path.HTLCMinMsat) + require.EqualValues(t, lnwire.MaxMilliSatoshi, path.HTLCMaxMsat) + + // Now we check the hops. + require.Len(t, path.Hops, 5) + + // Assert that all the encrypted recipient blobs have been padded such + // that they are all the same size. + require.Len(t, path.Hops[0].CipherText, len(path.Hops[1].CipherText)) + require.Len(t, path.Hops[1].CipherText, len(path.Hops[2].CipherText)) + require.Len(t, path.Hops[2].CipherText, len(path.Hops[3].CipherText)) + require.Len(t, path.Hops[3].CipherText, len(path.Hops[4].CipherText)) + + // The first hop, should have the real pub key of the introduction + // node: Carol. + hop := path.Hops[0] + require.True(t, hop.BlindedNodePub.IsEqual(pkC)) + + // As Carol, let's decode the hop data and assert that all expected + // values have been included. + var ( + blindingPoint = path.FirstEphemeralBlindingPoint + data *record.BlindedRouteData + ) + + // Check that Carol's info is correct. + data, blindingPoint = decryptAndDecodeHopData( + t, privC, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanCB), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1600, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Bob's info is correct. + hop = path.Hops[1] + data, blindingPoint = decryptAndDecodeHopData( + t, privB, blindingPoint, hop.CipherText, + ) + + require.Equal( + t, lnwire.NewShortChanIDFromInt(chanBA), + data.ShortChannelID.UnwrapOrFail(t).Val, + ) + + require.Equal(t, record.PaymentRelayInfo{ + CltvExpiryDelta: 144, + FeeRate: 500, + BaseFee: 100, + }, data.RelayInfo.UnwrapOrFail(t).Val) + + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1456, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + + // Check that all Alice's info is correct. The payload should contain + // a next_node_id field that is equal to Alice's public key. This + // indicates to Alice that she should continue peeling the onion. + hop = path.Hops[2] + data, blindingPoint = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsSome()) + require.True(t, data.Constraints.IsSome()) + require.Equal(t, pkA, data.NextNodeID.UnwrapOrFail(t).Val) + + // Alice should be able to decrypt the next payload with her private + // key. This next payload is yet another dummy hop. + hop = path.Hops[3] + data, blindingPoint = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsSome()) + require.True(t, data.Constraints.IsSome()) + require.Equal(t, pkA, data.NextNodeID.UnwrapOrFail(t).Val) + + // Unwrapping one more time should reveal the final hop info for Alice. + hop = path.Hops[4] + data, _ = decryptAndDecodeHopData( + t, privA, blindingPoint, hop.CipherText, + ) + require.True(t, data.ShortChannelID.IsNone()) + require.True(t, data.RelayInfo.IsNone()) + require.Equal(t, record.PaymentConstraints{ + MaxCltvExpiry: 1212, + HtlcMinimumMsat: 1000, + }, data.Constraints.UnwrapOrFail(t).Val) + require.Equal(t, []byte{1, 2, 3}, data.PathID.UnwrapOrFail(t).Val) +} + +// TestSingleHopBlindedPath tests that blinded path construction is done +// correctly for the case where the destination node is also the introduction +// node. +func TestSingleHopBlindedPath(t *testing.T) { + var ( + _, pkC = btcec.PrivKeyFromBytes([]byte{1}) + carol = route.NewVertex(pkC) + ) + + realRoute := &route.Route{ + SourcePubKey: carol, + // No hops since Carol is both the introduction node and the + // final destination node. + Hops: []*route.Hop{}, + } + + paths, err := BuildBlindedPaymentPaths(&BuildBlindedPathCfg{ + FindRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, + error) { + + return []*route.Route{realRoute}, nil + }, + BestHeight: func() (uint32, error) { + return 1000, nil + }, + PathID: []byte{1, 2, 3}, + ValueMsat: 1000, + MinFinalCLTVExpiryDelta: 12, + BlocksUntilExpiry: 200, + }) + require.NoError(t, err) + require.Len(t, paths, 1) + + path := paths[0] + + // Check that all the accumulated policy values are correct. Since this + // is a unique case where the destination node is also the introduction + // node, the accumulated fee and HTLC values should be zero and the + // CLTV expiry delta should be equal to Carol's MinFinalCLTVExpiryDelta. + require.EqualValues(t, 0, path.FeeBaseMsat) + require.EqualValues(t, 0, path.FeeRate) + require.EqualValues(t, 0, path.HTLCMinMsat) + require.EqualValues(t, 0, path.HTLCMaxMsat) + require.EqualValues(t, 12, path.CltvExpiryDelta) +} + +func decryptAndDecodeHopData(t *testing.T, priv *btcec.PrivateKey, + ephem *btcec.PublicKey, cipherText []byte) (*record.BlindedRouteData, + *btcec.PublicKey) { + + router := sphinx.NewRouter( + &keychain.PrivKeyECDH{PrivKey: priv}, nil, + ) + + decrypted, err := router.DecryptBlindedHopData(ephem, cipherText) + require.NoError(t, err) + + buf := bytes.NewBuffer(decrypted) + routeData, err := record.DecodeBlindedRouteData(buf) + require.NoError(t, err) + + nextEphem, err := router.NextEphemeral(ephem) + require.NoError(t, err) + + return routeData, nextEphem +} diff --git a/routing/blindedpath/log.go b/routing/blindedpath/log.go new file mode 100644 index 0000000000..979884fbd4 --- /dev/null +++ b/routing/blindedpath/log.go @@ -0,0 +1,31 @@ +package blindedpath + +import ( + "github.com/btcsuite/btclog" + "github.com/lightningnetwork/lnd/build" +) + +// log is a logger that is initialized with no output filters. This means the +// package will not perform any logging by default until the caller requests +// it. +var log btclog.Logger + +const Subsystem = "BLPT" + +// The default amount of logging is none. +func init() { + UseLogger(build.NewSubLogger(Subsystem, nil)) +} + +// DisableLog disables all library log output. Logging output is disabled by +// default until UseLogger is called. +func DisableLog() { + UseLogger(btclog.Disabled) +} + +// UseLogger uses a specified Logger to output package logging info. This +// should be used in preference to SetLogWriter if the caller is also using +// btclog. +func UseLogger(logger btclog.Logger) { + log = logger +} diff --git a/rpcserver.go b/rpcserver.go index 5d9ed2ef5a..fb3c46b822 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5772,10 +5772,10 @@ func (r *rpcServer) AddInvoice(ctx context.Context, defaultDelta := r.cfg.Bitcoin.TimeLockDelta blindingRestrictions := &routing.BlindedPathRestrictions{ - MinDistanceFromIntroNode: r.server.cfg.Invoices.BlindedPaths. + MinDistanceFromIntroNode: r.server.cfg.Routing.BlindedPaths. MinNumRealHops, - NumHops: r.server.cfg.Invoices.BlindedPaths.NumHops, - MaxNumPaths: r.server.cfg.Invoices.BlindedPaths.MaxNumPaths, + NumHops: r.server.cfg.Routing.BlindedPaths.NumHops, + MaxNumPaths: r.server.cfg.Routing.BlindedPaths.MaxNumPaths, } addInvoiceCfg := &invoicesrpc.AddInvoiceConfig{ @@ -5812,9 +5812,9 @@ func (r *rpcServer) AddInvoice(ctx context.Context, }, GetAlias: r.server.aliasMgr.GetPeerAlias, BestHeight: r.server.cc.BestBlockTracker.BestHeight, - BlindedRoutePolicyIncrMultiplier: r.server.cfg.Invoices. + BlindedRoutePolicyIncrMultiplier: r.server.cfg.Routing. BlindedPaths.PolicyIncreaseMultiplier, - BlindedRoutePolicyDecrMultiplier: r.server.cfg.Invoices. + BlindedRoutePolicyDecrMultiplier: r.server.cfg.Routing. BlindedPaths.PolicyDecreaseMultiplier, QueryBlindedRoutes: func(amt lnwire.MilliSatoshi) ( []*route.Route, error) { @@ -5825,7 +5825,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, blindingRestrictions, ) }, - MinNumHops: r.server.cfg.Invoices.BlindedPaths.NumHops, + MinNumHops: r.server.cfg.Routing.BlindedPaths.NumHops, } value, err := lnrpc.UnmarshallAmt(invoice.Value, invoice.ValueMsat) diff --git a/sample-lnd.conf b/sample-lnd.conf index ea92478d99..e20b5ea8e0 100644 --- a/sample-lnd.conf +++ b/sample-lnd.conf @@ -1649,10 +1649,23 @@ ; enough to prevent force closes. ; invoices.holdexpirydelta=12 +[routing] + +; DEPRECATED: This is now turned on by default for Neutrino (use +; neutrino.validatechannels=true to turn off) and shouldn't be used for any +; other backend! +; routing.assumechanvalid=false + +; If set to true, then we'll prune a channel if only a single edge is seen as +; being stale. This results in a more compact channel graph, and also is helpful +; for neutrino nodes as it means they'll only maintain edges where both nodes are +; seen as being live from it's PoV. +; routing.strictgraphpruning=false + ; The minimum number of real (non-dummy) blinded hops to select for a blinded ; path. This doesn't include our node, so if the maximum is 1, then the ; shortest paths will contain our node along with an introduction node hop. -; invoices.blinding.min-num-real-hops=1 +; routing.blinding.min-num-real-hops=1 ; The number of hops to include in a blinded path. This does not include ; our node, so if is is 1, then the path will at least contain our node along @@ -1660,10 +1673,10 @@ ; the introduction node. This number must be greater than or equal to the ; the number of real hops (invoices.blinding.min-num-real-hops). Any paths ; shorter than this number will be padded with dummy hops. -; invoices.blinding.num-hops=2 +; routing.blinding.num-hops=2 ; The maximum number of blinded paths to select and add to an invoice. -; invoices.blinding.max-num-paths=3 +; routing.blinding.max-num-paths=3 ; The amount by which to increase certain policy values of hops on a blinded ; path in order to add a probing buffer. The higher this multiplier, the more @@ -1672,7 +1685,7 @@ ; expires, the better the chances that the path would still be valid meaning ; that the path is less prone to probing attacks. However, if the multiplier ; is too high, the resulting buffered fees might be too much for the payer. -; invoices.blinding.policy-increase-multiplier=1.1 +; routing.blinding.policy-increase-multiplier=1.1 ; The amount by which to decrease certain policy values of hops on a blinded ; path in order to add a probing buffer. The lower this multiplier, the more @@ -1682,21 +1695,7 @@ ; that the path is less prone to probing attacks. However, since this value ; is being applied to the MaxHTLC value of the route, the lower it is, the ; lower payment amount will need to be. -; invoices.blinding.policy-decrease-multiplier=0.9 - -[routing] - -; DEPRECATED: This is now turned on by default for Neutrino (use -; neutrino.validatechannels=true to turn off) and shouldn't be used for any -; other backend! -; routing.assumechanvalid=false - -; If set to true, then we'll prune a channel if only a single edge is seen as -; being stale. This results in a more compact channel graph, and also is helpful -; for neutrino nodes as it means they'll only maintain edges where both nodes are -; seen as being live from it's PoV. -; routing.strictgraphpruning=false - +; routing.blinding.policy-decrease-multiplier=0.9 [sweeper] From 60a856ab658c9045322a1eea8674f027bcd5d78a Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 26 Jul 2024 10:32:47 +0200 Subject: [PATCH 176/343] record/routing: set minimum padding size --- record/blinded_data.go | 7 +++++++ record/blinded_data_test.go | 4 ++++ routing/blindedpath/blinded_path.go | 13 ++++++++----- routing/blindedpath/blinded_path_test.go | 17 +++++++++++++++-- 4 files changed, 34 insertions(+), 7 deletions(-) diff --git a/record/blinded_data.go b/record/blinded_data.go index a62db00a79..3d9b17c271 100644 --- a/record/blinded_data.go +++ b/record/blinded_data.go @@ -10,6 +10,13 @@ import ( "github.com/lightningnetwork/lnd/tlv" ) +// AverageDummyHopPayloadSize is the size of a standard blinded path dummy hop +// payload. In most cases, this is larger than the other payload types and so +// to make sure that a sender cannot use this fact to know if a dummy hop is +// present or not, we'll make sure to always pad all payloads to at least this +// size. +const AverageDummyHopPayloadSize = 51 + // BlindedRouteData contains the information that is included in a blinded // route encrypted data blob that is created by the recipient to provide // forwarding information. diff --git a/record/blinded_data_test.go b/record/blinded_data_test.go index 604d5a7fb1..7de8fa295e 100644 --- a/record/blinded_data_test.go +++ b/record/blinded_data_test.go @@ -196,6 +196,10 @@ func TestDummyHopBlindedDataEncoding(t *testing.T) { encoded, err := EncodeBlindedRouteData(routeData) require.NoError(t, err) + // Assert the size of an average dummy hop payload in case we need to + // update this constant in future. + require.Len(t, encoded, AverageDummyHopPayloadSize) + b := bytes.NewBuffer(encoded) decodedData, err := DecodeBlindedRouteData(b) require.NoError(t, err) diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index a6e1c07623..03c24747b0 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -257,7 +257,9 @@ func buildBlindedPaymentPath(cfg *BuildBlindedPathCfg, path *candidatePath) ( // Add padding to each route data instance until the encrypted data // blobs are all the same size. - paymentPath, _, err := padHopInfo(hopDataSet, true) + paymentPath, _, err := padHopInfo( + hopDataSet, true, record.AverageDummyHopPayloadSize, + ) if err != nil { return nil, err } @@ -731,9 +733,10 @@ type padStats struct { // edges. The number of iterations that this function takes is also returned for // testing purposes. If prePad is true, then zero byte padding is added to each // payload that does not yet have padding. This will save some iterations for -// the majority of cases. -func padHopInfo(hopInfo []*hopData, prePad bool) ([]*sphinx.HopInfo, *padStats, - error) { +// the majority of cases. minSize can be used to specify a minimum size that all +// payloads should be. +func padHopInfo(hopInfo []*hopData, prePad bool, minSize int) ( + []*sphinx.HopInfo, *padStats, error) { var ( paymentPath = make([]*sphinx.HopInfo, len(hopInfo)) @@ -759,7 +762,7 @@ func padHopInfo(hopInfo []*hopData, prePad bool) ([]*sphinx.HopInfo, *padStats, // current largest encoded data blob size. This will be the // size we aim to get the others to match. var ( - maxLen int + maxLen = minSize minLen = math.MaxInt8 ) for i, hop := range hopInfo { diff --git a/routing/blindedpath/blinded_path_test.go b/routing/blindedpath/blinded_path_test.go index 68a3c90a77..1f5d685d13 100644 --- a/routing/blindedpath/blinded_path_test.go +++ b/routing/blindedpath/blinded_path_test.go @@ -237,6 +237,10 @@ func TestPadBlindedHopInfo(t *testing.T) { // prePad is true if all the hop payloads should be pre-padded // with a zero length TLV Padding field. prePad bool + + // minPayloadSize can be used to set the minimum number of bytes + // that the resulting records should be. + minPayloadSize int }{ { // If there is only one entry, then no padding is @@ -250,6 +254,15 @@ func TestPadBlindedHopInfo(t *testing.T) { // bytes. expectedFinalSize: 12, }, + { + // Same as the above example but with a minimum final + // size specified. + name: "single entry with min size", + expectedIterations: 2, + pathIDs: []int{10}, + minPayloadSize: 500, + expectedFinalSize: 504, + }, { // All the payloads are the same size from the get go // meaning that no padding is expected. @@ -376,7 +389,7 @@ func TestPadBlindedHopInfo(t *testing.T) { } hopInfo, stats, err := padHopInfo( - hopDataSet, test.prePad, + hopDataSet, test.prePad, test.minPayloadSize, ) require.NoError(t, err) require.Equal(t, test.expectedIterations, @@ -400,7 +413,7 @@ func TestPadBlindedHopInfo(t *testing.T) { // asserts that the resulting padded set always has the same encoded length. func TestPadBlindedHopInfoBlackBox(t *testing.T) { fn := func(data hopDataList) bool { - resultList, _, err := padHopInfo(data, true) + resultList, _, err := padHopInfo(data, true, 0) require.NoError(t, err) // There should be a resulting sphinx.HopInfo struct for each From d0a7765c685aa03df31de34a798c1bf1dece5fa6 Mon Sep 17 00:00:00 2001 From: ziggie Date: Wed, 24 Jul 2024 14:51:13 +0200 Subject: [PATCH 177/343] rpcserver: include fee calc. for psbt flow. Include the fee calculaltion for the psbt flow. Moreover include fee rate testing in the itest environment. --- itest/lnd_funding_test.go | 16 ++++++++++++++-- rpcserver.go | 36 +++++++++++++++--------------------- 2 files changed, 29 insertions(+), 23 deletions(-) diff --git a/itest/lnd_funding_test.go b/itest/lnd_funding_test.go index 8f43620ee1..6e2f0070cd 100644 --- a/itest/lnd_funding_test.go +++ b/itest/lnd_funding_test.go @@ -19,6 +19,7 @@ import ( "github.com/lightningnetwork/lnd/lnrpc/signrpc" "github.com/lightningnetwork/lnd/lntest" "github.com/lightningnetwork/lnd/lntest/node" + "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" "github.com/stretchr/testify/require" ) @@ -968,11 +969,16 @@ func testBatchChanFunding(ht *lntest.HarnessTest) { ht.EnsureConnected(alice, dave) ht.EnsureConnected(alice, eve) + expectedFeeRate := chainfee.SatPerKWeight(2500) + + // We verify that the channel opening uses the correct fee rate. + ht.SetFeeEstimateWithConf(expectedFeeRate, 3) + // Let's create our batch TX request. This first one should fail as we // open a channel to Carol that is too small for her min chan size. batchReq := &lnrpc.BatchOpenChannelRequest{ - SatPerVbyte: 12, - MinConfs: 1, + TargetConf: 3, + MinConfs: 1, Channels: []*lnrpc.BatchOpenChannel{{ NodePubkey: bob.PubKey[:], LocalFundingAmount: 100_000, @@ -1069,6 +1075,12 @@ func testBatchChanFunding(ht *lntest.HarnessTest) { rawTx := ht.GetRawTransaction(txHash) require.Len(ht, rawTx.MsgTx().TxOut, 5) + // Check the fee rate of the batch-opening transaction. We expect slight + // inaccuracies because of the DER signature fee estimation. + openingFeeRate := ht.CalculateTxFeeRate(rawTx.MsgTx()) + require.InEpsilonf(ht, uint64(expectedFeeRate), uint64(openingFeeRate), + 0.01, "want %v, got %v", expectedFeeRate, openingFeeRate) + // For calculating the change output index we use the formula for the // sum of consecutive of integers (n(n+1)/2). All the channel point // indexes are known, so we just calculate the difference to get the diff --git a/rpcserver.go b/rpcserver.go index 465035ea55..8415eb338f 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -2158,30 +2158,24 @@ func (r *rpcServer) parseOpenChannelReq(in *lnrpc.OpenChannelRequest, return nil, fmt.Errorf("cannot open channel to self") } - var feeRate chainfee.SatPerKWeight - - // Skip estimating fee rate for PSBT funding. - if in.FundingShim == nil || in.FundingShim.GetPsbtShim() == nil { - // Keep the old behavior prior to 0.18.0 - when the user - // doesn't set fee rate or conf target, the default conf target - // of 6 is used. - targetConf := maybeUseDefaultConf( - in.SatPerByte, in.SatPerVbyte, uint32(in.TargetConf), - ) - - // Calculate an appropriate fee rate for this transaction. - feeRate, err = lnrpc.CalculateFeeRate( - uint64(in.SatPerByte), in.SatPerVbyte, - targetConf, r.server.cc.FeeEstimator, - ) - if err != nil { - return nil, err - } + // NOTE: We also need to do the fee rate calculation for the psbt + // funding flow because the `batchfund` depends on it. + targetConf := maybeUseDefaultConf( + in.SatPerByte, in.SatPerVbyte, uint32(in.TargetConf), + ) - rpcsLog.Debugf("[openchannel]: using fee of %v sat/kw for "+ - "funding tx", int64(feeRate)) + // Calculate an appropriate fee rate for this transaction. + feeRate, err := lnrpc.CalculateFeeRate( + uint64(in.SatPerByte), in.SatPerVbyte, + targetConf, r.server.cc.FeeEstimator, + ) + if err != nil { + return nil, err } + rpcsLog.Debugf("[openchannel]: using fee of %v sat/kw for "+ + "funding tx", int64(feeRate)) + script, err := chancloser.ParseUpfrontShutdownAddress( in.CloseAddress, r.cfg.ActiveNetParams.Params, ) From bf38aed87fcc9b1a3e4e9e6fd411e629fcc1825a Mon Sep 17 00:00:00 2001 From: ziggie Date: Wed, 24 Jul 2024 15:01:47 +0200 Subject: [PATCH 178/343] lnd: unify the default setting behaviour. Setting default values for the channel opening fee rate is already done elsewhere therefore we remove on of those checks and return an error if no fee rate is specified. --- server.go | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/server.go b/server.go index 7ae6ed21e7..a3b1284067 100644 --- a/server.go +++ b/server.go @@ -4578,16 +4578,15 @@ func (s *server) OpenChannel( return req.Updates, req.Err } - // If the fee rate wasn't specified, then we'll use a default - // confirmation target. + // If the fee rate wasn't specified at this point we fail the funding + // because of the missing fee rate information. The caller of the + // `OpenChannel` method needs to make sure that default values for the + // fee rate are set beforehand. if req.FundingFeePerKw == 0 { - estimator := s.cc.FeeEstimator - feeRate, err := estimator.EstimateFeePerKW(6) - if err != nil { - req.Err <- err - return req.Updates, req.Err - } - req.FundingFeePerKw = feeRate + req.Err <- fmt.Errorf("no FundingFeePerKw specified for " + + "the channel opening transaction") + + return req.Updates, req.Err } // Spawn a goroutine to send the funding workflow request to the funding From eb7818a633c6047cf8a5d9abcd2bae6c88156abd Mon Sep 17 00:00:00 2001 From: ziggie Date: Thu, 11 Jul 2024 22:26:15 +0200 Subject: [PATCH 179/343] docs: add release-notes. --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 8d658624fc..2e7eb643e2 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -32,6 +32,9 @@ * [Avoids duplicate wallet addresses being created](https://github.com/lightningnetwork/lnd/pull/8921) when multiple RPC calls are made concurrently. + +* [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8896) that caused + LND to use a default fee rate for the batch channel opening flow. # New Features ## Functional Enhancements @@ -130,3 +133,4 @@ * Oliver Gugger * Slyghtning * Yong Yu +* Ziggie From c490279002f5225a1dd650120369733d8f072c00 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Fri, 26 Jul 2024 11:10:04 +0200 Subject: [PATCH 180/343] blindedpath: smarter dummy hop policy selection This commit introduces more sophisticated code for selecting dummy hop policy values for dummy hops in blinded paths. For the case where the path does contain real hops, the dummy hop policy values are derived by taking the average of those hop polices. For the case where there are no real hops (in other words, we are the introduction node), we use the default policy values used for normal ChannelUpdates but then for the MaxHTLC value, we take the average of all our open channel capacities. --- lnrpc/invoicesrpc/addinvoice.go | 25 ++- routing/blindedpath/blinded_path.go | 190 ++++++++++++++++++++--- routing/blindedpath/blinded_path_test.go | 10 +- rpcserver.go | 14 +- 4 files changed, 195 insertions(+), 44 deletions(-) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index 69bc0a16e2..bef42a1f8a 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -109,10 +109,15 @@ type AddInvoiceConfig struct { // appropriate values (like maximum HTLC) by 10%. BlindedRoutePolicyDecrMultiplier float64 - // MinNumHops is the minimum number of hops that a blinded path should - // be. Dummy hops will be used to pad any route with a length less than - // this. - MinNumHops uint8 + // MinNumBlindedPathHops is the minimum number of hops that a blinded + // path should be. Dummy hops will be used to pad any route with a + // length less than this. + MinNumBlindedPathHops uint8 + + // DefaultDummyHopPolicy holds the default policy values to use for + // dummy hops in a blinded path in the case where they cant be derived + // through other means. + DefaultDummyHopPolicy *blindedpath.BlindedHopPolicy } // AddInvoiceData contains the required data to create a new invoice. @@ -508,6 +513,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, &blindedpath.BuildBlindedPathCfg{ FindRoutes: cfg.QueryBlindedRoutes, FetchChannelEdgesByID: cfg.Graph.FetchChannelEdgesByID, + FetchOurOpenChannels: cfg.ChanDB.FetchAllOpenChannels, PathID: paymentAddr[:], ValueMsat: invoice.Value, BestHeight: cfg.BestHeight, @@ -523,15 +529,8 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, cfg.BlindedRoutePolicyDecrMultiplier, ) }, - MinNumHops: cfg.MinNumHops, - // TODO: make configurable - DummyHopPolicy: &blindedpath.BlindedHopPolicy{ - CLTVExpiryDelta: 80, - FeeRate: 100, - BaseFee: 100, - MinHTLCMsat: 0, - MaxHTLCMsat: lnwire.MaxMilliSatoshi, - }, + MinNumHops: cfg.MinNumBlindedPathHops, + DefaultDummyHopPolicy: cfg.DefaultDummyHopPolicy, }, ) if err != nil { diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index 03c24747b0..542882e9ff 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -8,7 +8,9 @@ import ( "sort" "github.com/btcsuite/btcd/btcec/v2" + "github.com/btcsuite/btcd/btcutil" sphinx "github.com/lightningnetwork/lightning-onion" + "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" @@ -43,6 +45,9 @@ type BuildBlindedPathCfg struct { FetchChannelEdgesByID func(chanID uint64) (*models.ChannelEdgeInfo, *models.ChannelEdgePolicy, *models.ChannelEdgePolicy, error) + // FetchOurOpenChannels fetches this node's set of open channels. + FetchOurOpenChannels func() ([]*channeldb.OpenChannel, error) + // BestHeight can be used to fetch the best block height that this node // is aware of. BestHeight func() (uint32, error) @@ -53,7 +58,7 @@ type BuildBlindedPathCfg struct { // during the lifetime of the blinded path, then the path remains valid // and so probing is more difficult. Note that this will only be called // for the policies of real nodes and won't be applied to - // DummyHopPolicy. + // DefaultDummyHopPolicy. AddPolicyBuffer func(policy *BlindedHopPolicy) (*BlindedHopPolicy, error) @@ -86,9 +91,13 @@ type BuildBlindedPathCfg struct { // route. MinNumHops uint8 - // DummyHopPolicy holds the policy values that should be used for dummy - // hops. Note that these will _not_ be buffered via AddPolicyBuffer. - DummyHopPolicy *BlindedHopPolicy + // DefaultDummyHopPolicy holds the policy values that should be used for + // dummy hops in the cases where it cannot be derived via other means + // such as averaging the policy values of other hops on the path. This + // would happen in the case where the introduction node is also the + // introduction node. If these default policy values are used, then + // the MaxHTLCMsat value must be carefully chosen. + DefaultDummyHopPolicy *BlindedHopPolicy } // BuildBlindedPaymentPaths uses the passed config to construct a set of blinded @@ -334,42 +343,100 @@ type hopRelayInfo struct { // Therefore, when we go through the route and its hops to collect policies, our // index for collecting public keys will be trailing that of the channel IDs by // 1. +// +// For any dummy hops on the route, this function also decides what to use as +// policy values for the dummy hops. If there are other real hops, then the +// dummy hop policy values are derived by taking the average of the real +// policy values. If there are no real hops (in other words we are the +// introduction node), then we use some default routing values and we use the +// average of our channel capacities for the MaxHTLC value. func collectRelayInfo(cfg *BuildBlindedPathCfg, path *candidatePath) ( []*hopRelayInfo, lnwire.MilliSatoshi, lnwire.MilliSatoshi, error) { var ( - hops = make([]*hopRelayInfo, 0, len(path.hops)) - minHTLC lnwire.MilliSatoshi - maxHTLC lnwire.MilliSatoshi + // The first pub key is that of the introduction node. + hopSource = path.introNode + + // A collection of the policy values of real hops on the path. + policies = make(map[uint64]*BlindedHopPolicy) + + hasDummyHops bool ) + // On this first iteration, we just collect policy values of the real + // hops on the path. + for _, hop := range path.hops { + // Once we have hit a dummy hop, all hops after will be dummy + // hops too. + if hop.isDummy { + hasDummyHops = true + + break + } + + // For real hops, retrieve the channel policy for this hop's + // channel ID in the direction pointing away from the hopSource + // node. + policy, err := getNodeChannelPolicy( + cfg, hop.channelID, hopSource, + ) + if err != nil { + return nil, 0, 0, err + } + + policies[hop.channelID] = policy + + // This hop's pub key will be the policy creator for the next + // hop. + hopSource = hop.pubKey + } + var ( - // The first pub key is that of the introduction node. - hopSource = path.introNode + dummyHopPolicy *BlindedHopPolicy + err error + ) + + // If the path does have dummy hops, we need to decide which policy + // values to use for these hops. + if hasDummyHops { + dummyHopPolicy, err = computeDummyHopPolicy( + cfg.DefaultDummyHopPolicy, cfg.FetchOurOpenChannels, + policies, + ) + if err != nil { + return nil, 0, 0, err + } + } + + // We iterate through the hops one more time. This time it is to + // buffer the policy values, collect the payment relay info to send to + // each hop, and to compute the min and max HTLC values for the path. + var ( + hops = make([]*hopRelayInfo, 0, len(path.hops)) + minHTLC lnwire.MilliSatoshi + maxHTLC lnwire.MilliSatoshi ) + // The first pub key is that of the introduction node. + hopSource = path.introNode for _, hop := range path.hops { var ( - // For dummy hops, we use pre-configured policy values. - policy = cfg.DummyHopPolicy + policy = dummyHopPolicy + ok bool err error ) + if !hop.isDummy { - // For real hops, retrieve the channel policy for this - // hop's channel ID in the direction pointing away from - // the hopSource node. - policy, err = getNodeChannelPolicy( - cfg, hop.channelID, hopSource, - ) - if err != nil { - return nil, 0, 0, err + policy, ok = policies[hop.channelID] + if !ok { + return nil, 0, 0, fmt.Errorf("no cached "+ + "policy found for channel ID: %d", + hop.channelID) } + } - // Apply any policy changes now before caching the - // policy. - policy, err = cfg.AddPolicyBuffer(policy) - if err != nil { - return nil, 0, 0, err - } + policy, err = cfg.AddPolicyBuffer(policy) + if err != nil { + return nil, 0, 0, err } // If this is the first policy we are collecting, then use this @@ -435,6 +502,79 @@ func buildDummyRouteData(node route.Vertex, relayInfo *record.PaymentRelayInfo, }, nil } +// computeDummyHopPolicy determines policy values to use for a dummy hop on a +// blinded path. If other real policy values exist, then we use the average of +// those values for the dummy hop policy values. Otherwise, in the case were +// there are no real policy values due to this node being the introduction node, +// we use the provided default policy values, and we get the average capacity of +// this node's channels to compute a MaxHTLC value. +func computeDummyHopPolicy(defaultPolicy *BlindedHopPolicy, + fetchOurChannels func() ([]*channeldb.OpenChannel, error), + policies map[uint64]*BlindedHopPolicy) (*BlindedHopPolicy, error) { + + numPolicies := len(policies) + + // If there are no real policies to calculate an average policy from, + // then we use the default. The only thing we need to calculate here + // though is the MaxHTLC value. + if numPolicies == 0 { + chans, err := fetchOurChannels() + if err != nil { + return nil, err + } + + if len(chans) == 0 { + return nil, fmt.Errorf("node has no channels to " + + "receive on") + } + + // Calculate the average channel capacity and use this as the + // MaxHTLC value. + var maxHTLC btcutil.Amount + for _, c := range chans { + maxHTLC += c.Capacity + } + + maxHTLC = btcutil.Amount(float64(maxHTLC) / float64(len(chans))) + + return &BlindedHopPolicy{ + CLTVExpiryDelta: defaultPolicy.CLTVExpiryDelta, + FeeRate: defaultPolicy.FeeRate, + BaseFee: defaultPolicy.BaseFee, + MinHTLCMsat: defaultPolicy.MinHTLCMsat, + MaxHTLCMsat: lnwire.NewMSatFromSatoshis(maxHTLC), + }, nil + } + + var avgPolicy BlindedHopPolicy + + for _, policy := range policies { + avgPolicy.MinHTLCMsat += policy.MinHTLCMsat + avgPolicy.MaxHTLCMsat += policy.MaxHTLCMsat + avgPolicy.BaseFee += policy.BaseFee + avgPolicy.FeeRate += policy.FeeRate + avgPolicy.CLTVExpiryDelta += policy.CLTVExpiryDelta + } + + avgPolicy.MinHTLCMsat = lnwire.MilliSatoshi( + float64(avgPolicy.MinHTLCMsat) / float64(numPolicies), + ) + avgPolicy.MaxHTLCMsat = lnwire.MilliSatoshi( + float64(avgPolicy.MaxHTLCMsat) / float64(numPolicies), + ) + avgPolicy.BaseFee = lnwire.MilliSatoshi( + float64(avgPolicy.BaseFee) / float64(numPolicies), + ) + avgPolicy.FeeRate = uint32( + float64(avgPolicy.FeeRate) / float64(numPolicies), + ) + avgPolicy.CLTVExpiryDelta = uint16( + float64(avgPolicy.CLTVExpiryDelta) / float64(numPolicies), + ) + + return &avgPolicy, nil +} + // buildHopRouteData constructs the record.BlindedRouteData struct for the given // non-final hop on a blinded path and packages it with the node's ID. func buildHopRouteData(node route.Vertex, scid lnwire.ShortChannelID, diff --git a/routing/blindedpath/blinded_path_test.go b/routing/blindedpath/blinded_path_test.go index 1f5d685d13..b63509de7d 100644 --- a/routing/blindedpath/blinded_path_test.go +++ b/routing/blindedpath/blinded_path_test.go @@ -802,7 +802,7 @@ func TestBuildBlindedPathWithDummyHops(t *testing.T) { // hops to be added to the real route. MinNumHops: 4, - DummyHopPolicy: &BlindedHopPolicy{ + DefaultDummyHopPolicy: &BlindedHopPolicy{ CLTVExpiryDelta: 50, FeeRate: 100, BaseFee: 100, @@ -817,8 +817,8 @@ func TestBuildBlindedPathWithDummyHops(t *testing.T) { // Check that all the accumulated policy values are correct. require.EqualValues(t, 403, path.FeeBaseMsat) - require.EqualValues(t, 1203, path.FeeRate) - require.EqualValues(t, 400, path.CltvExpiryDelta) + require.EqualValues(t, 2003, path.FeeRate) + require.EqualValues(t, 588, path.CltvExpiryDelta) require.EqualValues(t, 1000, path.HTLCMinMsat) require.EqualValues(t, lnwire.MaxMilliSatoshi, path.HTLCMaxMsat) @@ -861,7 +861,7 @@ func TestBuildBlindedPathWithDummyHops(t *testing.T) { }, data.RelayInfo.UnwrapOrFail(t).Val) require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1600, + MaxCltvExpiry: 1788, HtlcMinimumMsat: 1000, }, data.Constraints.UnwrapOrFail(t).Val) @@ -883,7 +883,7 @@ func TestBuildBlindedPathWithDummyHops(t *testing.T) { }, data.RelayInfo.UnwrapOrFail(t).Val) require.Equal(t, record.PaymentConstraints{ - MaxCltvExpiry: 1456, + MaxCltvExpiry: 1644, HtlcMinimumMsat: 1000, }, data.Constraints.UnwrapOrFail(t).Val) diff --git a/rpcserver.go b/rpcserver.go index fb3c46b822..ea774a6d5c 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -75,6 +75,7 @@ import ( "github.com/lightningnetwork/lnd/peernotifier" "github.com/lightningnetwork/lnd/record" "github.com/lightningnetwork/lnd/routing" + "github.com/lightningnetwork/lnd/routing/blindedpath" "github.com/lightningnetwork/lnd/routing/route" "github.com/lightningnetwork/lnd/rpcperms" "github.com/lightningnetwork/lnd/signal" @@ -5825,7 +5826,18 @@ func (r *rpcServer) AddInvoice(ctx context.Context, blindingRestrictions, ) }, - MinNumHops: r.server.cfg.Routing.BlindedPaths.NumHops, + MinNumBlindedPathHops: r.server.cfg.Routing.BlindedPaths. + NumHops, + DefaultDummyHopPolicy: &blindedpath.BlindedHopPolicy{ + CLTVExpiryDelta: uint16(defaultDelta), + FeeRate: uint32(r.server.cfg.Bitcoin.FeeRate), + BaseFee: r.server.cfg.Bitcoin.BaseFee, + MinHTLCMsat: r.server.cfg.Bitcoin.MinHTLCIn, + + // MaxHTLCMsat will be calculated on the fly by using + // the introduction node's channel's capacities. + MaxHTLCMsat: 0, + }, } value, err := lnrpc.UnmarshallAmt(invoice.Value, invoice.ValueMsat) From d6001d033ba4c1f37883fa73bbd9c5c1e667b94e Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Mon, 3 Jun 2024 12:43:33 -0400 Subject: [PATCH 181/343] htlcswitch+lnwallet: calculate fee exposure as commit fees + dust This commit expands the definition of the dust limit to take into account commitment fees as well as dust HTLCs. The dust limit is now known as a fee exposure threshold. Dust HTLCs are fees anyways so it makes sense to account for commitment fees as well. The link has been modified slightly to calculate dust. In the future, the switch dust calculations can be removed. --- config.go | 4 +- htlcswitch/interfaces.go | 12 ++- htlcswitch/link.go | 204 +++++++++++++++++++++++++++++++++++++- htlcswitch/link_test.go | 12 ++- htlcswitch/mock.go | 11 +- htlcswitch/switch.go | 73 ++++++++------ htlcswitch/switch_test.go | 114 ++++++++++++++------- lnwallet/channel.go | 92 +++++++++++++++-- lnwallet/channel_test.go | 9 +- peer/brontide.go | 5 + server.go | 8 +- 11 files changed, 456 insertions(+), 88 deletions(-) diff --git a/config.go b/config.go index 8953b6d4b8..45fbe73bdb 100644 --- a/config.go +++ b/config.go @@ -441,7 +441,7 @@ type Config struct { GcCanceledInvoicesOnTheFly bool `long:"gc-canceled-invoices-on-the-fly" description:"If true, we'll delete newly canceled invoices on the fly."` - DustThreshold uint64 `long:"dust-threshold" description:"Sets the dust sum threshold in satoshis for a channel after which dust HTLC's will be failed."` + MaxFeeExposure uint64 `long:"dust-threshold" description:"Sets the max fee exposure in satoshis for a channel after which HTLC's will be failed."` Fee *lncfg.Fee `group:"fee" namespace:"fee"` @@ -684,7 +684,7 @@ func DefaultConfig() Config { MaxOutgoingCltvExpiry: htlcswitch.DefaultMaxOutgoingCltvExpiry, MaxChannelFeeAllocation: htlcswitch.DefaultMaxLinkFeeAllocation, MaxCommitFeeRateAnchors: lnwallet.DefaultAnchorsCommitMaxFeeRateSatPerVByte, - DustThreshold: uint64(htlcswitch.DefaultDustThreshold.ToSatoshis()), + MaxFeeExposure: uint64(htlcswitch.DefaultMaxFeeExposure.ToSatoshis()), LogWriter: build.NewRotatingLogWriter(), DB: lncfg.DefaultDB(), Cluster: lncfg.DefaultCluster(), diff --git a/htlcswitch/interfaces.go b/htlcswitch/interfaces.go index 2c27d8ab03..a55cd5d0b2 100644 --- a/htlcswitch/interfaces.go +++ b/htlcswitch/interfaces.go @@ -3,9 +3,11 @@ package htlcswitch import ( "context" + "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/invoices" "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwallet/chainfee" @@ -59,8 +61,10 @@ type packetHandler interface { // whether a link has too much dust exposure. type dustHandler interface { // getDustSum returns the dust sum on either the local or remote - // commitment. - getDustSum(remote bool) lnwire.MilliSatoshi + // commitment. An optional fee parameter can be passed in which is used + // to calculate the dust sum. + getDustSum(remote bool, + fee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi // getFeeRate returns the current channel feerate. getFeeRate() chainfee.SatPerKWeight @@ -68,6 +72,10 @@ type dustHandler interface { // getDustClosure returns a closure that can evaluate whether a passed // HTLC is dust. getDustClosure() dustClosure + + // getCommitFee returns the commitment fee in satoshis from either the + // local or remote commitment. This does not include dust. + getCommitFee(remote bool) btcutil.Amount } // scidAliasHandler is an interface that the ChannelLink implements so it can diff --git a/htlcswitch/link.go b/htlcswitch/link.go index 712bbda9e1..6454e972ab 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -21,6 +21,7 @@ import ( "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/htlcswitch/hodl" "github.com/lightningnetwork/lnd/htlcswitch/hop" + "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/invoices" "github.com/lightningnetwork/lnd/lnpeer" "github.com/lightningnetwork/lnd/lntypes" @@ -278,6 +279,10 @@ type ChannelLinkConfig struct { // by failing back any blinding-related payloads as if they were // invalid. DisallowRouteBlinding bool + + // MaxFeeExposure is the threshold in milli-satoshis after which we'll + // restrict the flow of HTLCs and fee updates. + MaxFeeExposure lnwire.MilliSatoshi } // channelLink is the service which drives a channel's commitment update @@ -447,6 +452,11 @@ func NewChannelLink(cfg ChannelLinkConfig, logPrefix := fmt.Sprintf("ChannelLink(%v):", channel.ChannelPoint()) + // If the max fee exposure isn't set, use the default. + if cfg.MaxFeeExposure == 0 { + cfg.MaxFeeExposure = DefaultMaxFeeExposure + } + return &channelLink{ cfg: cfg, channel: channel, @@ -1591,6 +1601,20 @@ func (l *channelLink) handleDownstreamUpdateAdd(pkt *htlcPacket) error { return nil } + // Check if we can add the HTLC here without exceededing the max fee + // exposure threshold. + if l.isOverexposedWithHtlc(htlc, false) { + l.log.Debugf("Unable to handle downstream HTLC - max fee " + + "exposure exceeded") + + l.mailBox.FailAdd(pkt) + + return NewDetailedLinkError( + lnwire.NewTemporaryChannelFailure(nil), + OutgoingFailureDownstreamHtlcAdd, + ) + } + // A new payment has been initiated via the downstream channel, // so we add the new HTLC to our local log, then update the // commitment chains. @@ -1958,6 +1982,18 @@ func (l *channelLink) handleUpstreamMsg(msg lnwire.Message) { return } + // We have to check the limit here rather than later in the + // switch because the counterparty can keep sending HTLC's + // without sending a revoke. This would mean that the switch + // check would only occur later. + if l.isOverexposedWithHtlc(msg, true) { + l.fail(LinkFailureError{code: ErrInternalError}, + "peer sent us an HTLC that exceeded our max "+ + "fee exposure") + + return + } + // We just received an add request from an upstream peer, so we // add it to our state machine, then add the HTLC to our // "settle" list in the event that we know the preimage. @@ -2375,9 +2411,32 @@ func (l *channelLink) handleUpstreamMsg(msg lnwire.Message) { l.RWMutex.Unlock() case *lnwire.UpdateFee: + // Check and see if their proposed fee-rate would make us + // exceed the fee threshold. + fee := chainfee.SatPerKWeight(msg.FeePerKw) + + isDust, err := l.exceedsFeeExposureLimit(fee) + if err != nil { + // This shouldn't typically happen. If it does, it + // indicates something is wrong with our channel state. + l.log.Errorf("Unable to determine if fee threshold " + + "exceeded") + l.fail(LinkFailureError{code: ErrInternalError}, + "error calculating fee exposure: %v", err) + + return + } + + if isDust { + // The proposed fee-rate makes us exceed the fee + // threshold. + l.fail(LinkFailureError{code: ErrInternalError}, + "fee threshold exceeded: %v", err) + return + } + // We received fee update from peer. If we are the initiator we // will fail the channel, if not we will apply the update. - fee := chainfee.SatPerKWeight(msg.FeePerKw) if err := l.channel.ReceiveUpdateFee(fee); err != nil { l.fail(LinkFailureError{code: ErrInvalidUpdate}, "error receiving fee update: %v", err) @@ -2668,8 +2727,10 @@ func (l *channelLink) MayAddOutgoingHtlc(amt lnwire.MilliSatoshi) error { // method. // // NOTE: Part of the dustHandler interface. -func (l *channelLink) getDustSum(remote bool) lnwire.MilliSatoshi { - return l.channel.GetDustSum(remote) +func (l *channelLink) getDustSum(remote bool, + dryRunFee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi { + + return l.channel.GetDustSum(remote, dryRunFee) } // getFeeRate is a wrapper method that retrieves the underlying channel's @@ -2692,6 +2753,130 @@ func (l *channelLink) getDustClosure() dustClosure { return dustHelper(chanType, localDustLimit, remoteDustLimit) } +// getCommitFee returns either the local or remote CommitFee in satoshis. This +// is used so that the Switch can have access to the commitment fee without +// needing to have a *LightningChannel. This doesn't include dust. +// +// NOTE: Part of the dustHandler interface. +func (l *channelLink) getCommitFee(remote bool) btcutil.Amount { + if remote { + return l.channel.State().RemoteCommitment.CommitFee + } + + return l.channel.State().LocalCommitment.CommitFee +} + +// exceedsFeeExposureLimit returns whether or not the new proposed fee-rate +// increases the total dust and fees within the channel past the configured +// fee threshold. It first calculates the dust sum over every update in the +// update log with the proposed fee-rate and taking into account both the local +// and remote dust limits. It uses every update in the update log instead of +// what is actually on the local and remote commitments because it is assumed +// that in a worst-case scenario, every update in the update log could +// theoretically be on either commitment transaction and this needs to be +// accounted for with this fee-rate. It then calculates the local and remote +// commitment fees given the proposed fee-rate. Finally, it tallies the results +// and determines if the fee threshold has been exceeded. +func (l *channelLink) exceedsFeeExposureLimit( + feePerKw chainfee.SatPerKWeight) (bool, error) { + + dryRunFee := fn.Some[chainfee.SatPerKWeight](feePerKw) + + // Get the sum of dust for both the local and remote commitments using + // this "dry-run" fee. + localDustSum := l.getDustSum(false, dryRunFee) + remoteDustSum := l.getDustSum(true, dryRunFee) + + // Calculate the local and remote commitment fees using this dry-run + // fee. + localFee, remoteFee, err := l.channel.CommitFeeTotalAt(feePerKw) + if err != nil { + return false, err + } + + // Finally, check whether the max fee exposure was exceeded on either + // future commitment transaction with the fee-rate. + totalLocalDust := localDustSum + lnwire.NewMSatFromSatoshis(localFee) + if totalLocalDust > l.cfg.MaxFeeExposure { + return true, nil + } + + totalRemoteDust := remoteDustSum + lnwire.NewMSatFromSatoshis( + remoteFee, + ) + + return totalRemoteDust > l.cfg.MaxFeeExposure, nil +} + +// isOverexposedWithHtlc calculates whether the proposed HTLC will make the +// channel exceed the fee threshold. It first fetches the largest fee-rate that +// may be on any unrevoked commitment transaction. Then, using this fee-rate, +// determines if the to-be-added HTLC is dust. If the HTLC is dust, it adds to +// the overall dust sum. If it is not dust, it contributes to weight, which +// also adds to the overall dust sum by an increase in fees. If the dust sum on +// either commitment exceeds the configured fee threshold, this function +// returns true. +func (l *channelLink) isOverexposedWithHtlc(htlc *lnwire.UpdateAddHTLC, + incoming bool) bool { + + dustClosure := l.getDustClosure() + + feeRate := l.channel.WorstCaseFeeRate() + + amount := htlc.Amount.ToSatoshis() + + // See if this HTLC is dust on both the local and remote commitments. + isLocalDust := dustClosure(feeRate, incoming, true, amount) + isRemoteDust := dustClosure(feeRate, incoming, false, amount) + + // Calculate the dust sum for the local and remote commitments. + localDustSum := l.getDustSum(false, fn.None[chainfee.SatPerKWeight]()) + remoteDustSum := l.getDustSum(true, fn.None[chainfee.SatPerKWeight]()) + + // Grab the larger of the local and remote commitment fees w/o dust. + commitFee := l.getCommitFee(false) + + if l.getCommitFee(true) > commitFee { + commitFee = l.getCommitFee(true) + } + + localDustSum += lnwire.NewMSatFromSatoshis(commitFee) + remoteDustSum += lnwire.NewMSatFromSatoshis(commitFee) + + // Calculate the additional fee increase if this is a non-dust HTLC. + weight := lntypes.WeightUnit(input.HTLCWeight) + additional := lnwire.NewMSatFromSatoshis( + feeRate.FeeForWeight(weight), + ) + + if isLocalDust { + // If this is dust, it doesn't contribute to weight but does + // contribute to the overall dust sum. + localDustSum += lnwire.NewMSatFromSatoshis(amount) + } else { + // Account for the fee increase that comes with an increase in + // weight. + localDustSum += additional + } + + if localDustSum > l.cfg.MaxFeeExposure { + // The max fee exposure was exceeded. + return true + } + + if isRemoteDust { + // If this is dust, it doesn't contribute to weight but does + // contribute to the overall dust sum. + remoteDustSum += lnwire.NewMSatFromSatoshis(amount) + } else { + // Account for the fee increase that comes with an increase in + // weight. + remoteDustSum += additional + } + + return remoteDustSum > l.cfg.MaxFeeExposure +} + // dustClosure is a function that evaluates whether an HTLC is dust. It returns // true if the HTLC is dust. It takes in a feerate, a boolean denoting whether // the HTLC is incoming (i.e. one that the remote sent), a boolean denoting @@ -3060,6 +3245,19 @@ func (l *channelLink) updateChannelFee(feePerKw chainfee.SatPerKWeight) error { return nil } + // Check and see if our proposed fee-rate would make us exceed the fee + // threshold. + thresholdExceeded, err := l.exceedsFeeExposureLimit(feePerKw) + if err != nil { + // This shouldn't typically happen. If it does, it indicates + // something is wrong with our channel state. + return err + } + + if thresholdExceeded { + return fmt.Errorf("link fee threshold exceeded") + } + // First, we'll update the local fee on our commitment. if err := l.channel.UpdateFee(feePerKw); err != nil { return err diff --git a/htlcswitch/link_test.go b/htlcswitch/link_test.go index 93c76bd406..f508ede066 100644 --- a/htlcswitch/link_test.go +++ b/htlcswitch/link_test.go @@ -4471,10 +4471,20 @@ func TestChannelLinkUpdateCommitFee(t *testing.T) { // Triggering the link to update the fee of the channel with a fee rate // that exceeds its maximum fee allocation should result in a fee rate - // corresponding to the maximum fee allocation. + // corresponding to the maximum fee allocation. Increase the dust + // threshold so that we don't trigger that logic. + highFeeExposure := lnwire.NewMSatFromSatoshis( + 2 * btcutil.SatoshiPerBitcoin, + ) const maxFeeRate chainfee.SatPerKWeight = 207180182 + n.aliceChannelLink.cfg.MaxFeeExposure = highFeeExposure + n.firstBobChannelLink.cfg.MaxFeeExposure = highFeeExposure triggerFeeUpdate(maxFeeRate+1, minRelayFee, maxFeeRate, true) + // Decrease the max fee exposure back to normal. + n.aliceChannelLink.cfg.MaxFeeExposure = DefaultMaxFeeExposure + n.firstBobChannelLink.cfg.MaxFeeExposure = DefaultMaxFeeExposure + // Triggering the link to update the fee of the channel with a fee rate // that is below the current min relay fee rate should result in a fee // rate corresponding to the minimum relay fee. diff --git a/htlcswitch/mock.go b/htlcswitch/mock.go index cd3e5026b5..07efd28a03 100644 --- a/htlcswitch/mock.go +++ b/htlcswitch/mock.go @@ -26,6 +26,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" "github.com/lightningnetwork/lnd/contractcourt" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/invoices" "github.com/lightningnetwork/lnd/lnpeer" @@ -200,7 +201,7 @@ func initSwitchWithDB(startingHeight uint32, db *channeldb.DB) (*Switch, error) HtlcNotifier: &mockHTLCNotifier{}, Clock: clock.NewDefaultClock(), MailboxDeliveryTimeout: time.Hour, - DustThreshold: DefaultDustThreshold, + MaxFeeExposure: DefaultMaxFeeExposure, SignAliasUpdate: signAliasUpdate, IsAlias: isAlias, } @@ -813,7 +814,9 @@ func (f *mockChannelLink) handleSwitchPacket(pkt *htlcPacket) error { return nil } -func (f *mockChannelLink) getDustSum(remote bool) lnwire.MilliSatoshi { +func (f *mockChannelLink) getDustSum(remote bool, + dryRunFee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi { + return 0 } @@ -828,6 +831,10 @@ func (f *mockChannelLink) getDustClosure() dustClosure { ) } +func (f *mockChannelLink) getCommitFee(remote bool) btcutil.Amount { + return 0 +} + func (f *mockChannelLink) HandleChannelUpdate(lnwire.Message) { } diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index a78266113c..bfca92a3a0 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -18,6 +18,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" "github.com/lightningnetwork/lnd/contractcourt" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lntypes" @@ -75,14 +76,15 @@ var ( // failed to be processed. ErrLocalAddFailed = errors.New("local add HTLC failed") - // errDustThresholdExceeded is only surfaced to callers of SendHTLC and - // signals that sending the HTLC would exceed the outgoing link's dust - // threshold. - errDustThresholdExceeded = errors.New("dust threshold exceeded") + // errFeeExposureExceeded is only surfaced to callers of SendHTLC and + // signals that sending the HTLC would exceed the outgoing link's fee + // exposure threshold. + errFeeExposureExceeded = errors.New("fee exposure exceeded") - // DefaultDustThreshold is the default threshold after which we'll fail - // payments if they are dust. This is currently set to 500m msats. - DefaultDustThreshold = lnwire.MilliSatoshi(500_000_000) + // DefaultMaxFeeExposure is the default threshold after which we'll + // fail payments if they increase our fee exposure. This is currently + // set to 500m msats. + DefaultMaxFeeExposure = lnwire.MilliSatoshi(500_000_000) ) // plexPacket encapsulates switch packet and adds error channel to receive @@ -210,9 +212,9 @@ type Config struct { // a mailbox via AddPacket. MailboxDeliveryTimeout time.Duration - // DustThreshold is the threshold in milli-satoshis after which we'll - // fail incoming or outgoing dust payments for a particular channel. - DustThreshold lnwire.MilliSatoshi + // MaxFeeExposure is the threshold in milli-satoshis after which we'll + // fail incoming or outgoing payments for a particular channel. + MaxFeeExposure lnwire.MilliSatoshi // SignAliasUpdate is used when sending FailureMessages backwards for // option_scid_alias channels. This avoids a potential privacy leak by @@ -559,9 +561,9 @@ func (s *Switch) SendHTLC(firstHop lnwire.ShortChannelID, attemptID uint64, return linkErr } - // Evaluate whether this HTLC would increase our exposure to dust. If - // it does, don't send it out and instead return an error. - if s.evaluateDustThreshold(link, htlc.Amount, false) { + // Evaluate whether this HTLC would bypass our fee exposure. If it + // does, don't send it out and instead return an error. + if s.dustExceedsFeeThreshold(link, htlc.Amount, false) { // Notify the htlc notifier of a link failure on our outgoing // link. We use the FailTemporaryChannelFailure in place of a // more descriptive error message. @@ -579,7 +581,7 @@ func (s *Switch) SendHTLC(firstHop lnwire.ShortChannelID, attemptID uint64, false, ) - return errDustThresholdExceeded + return errFeeExposureExceeded } circuit := newPaymentCircuit(&htlc.PaymentHash, packet) @@ -1247,9 +1249,10 @@ func (s *Switch) handlePacketForward(packet *htlcPacket) error { return s.failAddPacket(packet, linkErr) } - // Evaluate whether this HTLC would increase our exposure to - // dust on the incoming link. If it does, fail it backwards. - if s.evaluateDustThreshold( + // Evaluate whether this HTLC would increase our fee exposure + // over the threshold on the incoming link. If it does, fail it + // backwards. + if s.dustExceedsFeeThreshold( incomingLink, packet.incomingAmount, true, ) { // The incoming dust exceeds the threshold, so we fail @@ -1261,9 +1264,10 @@ func (s *Switch) handlePacketForward(packet *htlcPacket) error { return s.failAddPacket(packet, linkErr) } - // Also evaluate whether this HTLC would increase our exposure - // to dust on the destination link. If it does, fail it back. - if s.evaluateDustThreshold( + // Also evaluate whether this HTLC would increase our fee + // exposure over the threshold on the destination link. If it + // does, fail it back. + if s.dustExceedsFeeThreshold( destination, packet.amount, false, ) { // The outgoing dust exceeds the threshold, so we fail @@ -2768,14 +2772,15 @@ func (s *Switch) BestHeight() uint32 { return atomic.LoadUint32(&s.bestHeight) } -// evaluateDustThreshold takes in a ChannelLink, HTLC amount, and a boolean to -// determine whether the default dust threshold has been exceeded. This +// dustExceedsFeeThreshold takes in a ChannelLink, HTLC amount, and a boolean +// to determine whether the default fee threshold has been exceeded. This // heuristic takes into account the trimmed-to-dust mechanism. The sum of the // commitment's dust with the mailbox's dust with the amount is checked against -// the default threshold. If incoming is true, then the amount is not included -// in the sum as it was already included in the commitment's dust. A boolean is -// returned telling the caller whether the HTLC should be failed back. -func (s *Switch) evaluateDustThreshold(link ChannelLink, +// the fee exposure threshold. If incoming is true, then the amount is not +// included in the sum as it was already included in the commitment's dust. A +// boolean is returned telling the caller whether the HTLC should be failed +// back. +func (s *Switch) dustExceedsFeeThreshold(link ChannelLink, amount lnwire.MilliSatoshi, incoming bool) bool { // Retrieve the link's current commitment feerate and dustClosure. @@ -2801,7 +2806,9 @@ func (s *Switch) evaluateDustThreshold(link ChannelLink, // If the htlc is dust on the local commitment, we'll obtain the dust // sum for it. if isLocalDust { - localSum := link.getDustSum(false) + localSum := link.getDustSum( + false, fn.None[chainfee.SatPerKWeight](), + ) localSum += localMailDust // Optionally include the HTLC amount only for outgoing @@ -2810,8 +2817,8 @@ func (s *Switch) evaluateDustThreshold(link ChannelLink, localSum += amount } - // Finally check against the defined dust threshold. - if localSum > s.cfg.DustThreshold { + // Finally check against the defined fee threshold. + if localSum > s.cfg.MaxFeeExposure { return true } } @@ -2819,7 +2826,9 @@ func (s *Switch) evaluateDustThreshold(link ChannelLink, // Also check if the htlc is dust on the remote commitment, if we've // reached this point. if isRemoteDust { - remoteSum := link.getDustSum(true) + remoteSum := link.getDustSum( + true, fn.None[chainfee.SatPerKWeight](), + ) remoteSum += remoteMailDust // Optionally include the HTLC amount only for outgoing @@ -2828,8 +2837,8 @@ func (s *Switch) evaluateDustThreshold(link ChannelLink, remoteSum += amount } - // Finally check against the defined dust threshold. - if remoteSum > s.cfg.DustThreshold { + // Finally check against the defined fee threshold. + if remoteSum > s.cfg.MaxFeeExposure { return true } } diff --git a/htlcswitch/switch_test.go b/htlcswitch/switch_test.go index c4982b2969..ce00cd8781 100644 --- a/htlcswitch/switch_test.go +++ b/htlcswitch/switch_test.go @@ -18,10 +18,12 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/contractcourt" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/htlcswitch/hodl" "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/lntest/mock" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/ticker" "github.com/stretchr/testify/require" @@ -4259,7 +4261,7 @@ func TestInterceptableSwitchWatchDog(t *testing.T) { } // TestSwitchDustForwarding tests that the switch properly fails HTLC's which -// have incoming or outgoing links that breach their dust thresholds. +// have incoming or outgoing links that breach their fee thresholds. func TestSwitchDustForwarding(t *testing.T) { t.Parallel() @@ -4288,14 +4290,15 @@ func TestSwitchDustForwarding(t *testing.T) { // We'll test that once the default threshold is exceeded on the // Alice -> Bob channel, either side's calls to SendHTLC will fail. // - // Alice will send 357 HTLC's of 700sats. Bob will also send 357 HTLC's - // of 700sats. If either side attempts to send a dust HTLC, it will - // fail so amounts below 800sats will breach the dust threshold. + // Alice will send 354 HTLC's of 700sats. Bob will also send 354 HTLC's + // of 700sats. + numHTLCs := 354 + aliceAttemptID, bobAttemptID := numHTLCs, numHTLCs amt := lnwire.NewMSatFromSatoshis(700) aliceBobFirstHop := n.aliceChannelLink.ShortChanID() - sendDustHtlcs(t, n, true, amt, aliceBobFirstHop) - sendDustHtlcs(t, n, false, amt, aliceBobFirstHop) + sendDustHtlcs(t, n, true, amt, aliceBobFirstHop, numHTLCs) + sendDustHtlcs(t, n, false, amt, aliceBobFirstHop, numHTLCs) // Generate the parameters needed for Bob to send another dust HTLC. _, timelock, hops := generateHops( @@ -4320,7 +4323,7 @@ func TestSwitchDustForwarding(t *testing.T) { timeout := time.After(15 * time.Second) pollInterval := 300 * time.Millisecond - expectedDust := 357 * 2 * amt + expectedDust := 354 * 2 * amt for { <-time.After(pollInterval) @@ -4331,7 +4334,9 @@ func TestSwitchDustForwarding(t *testing.T) { default: } - linkDust := link.getDustSum(remote) + linkDust := link.getDustSum( + remote, fn.None[chainfee.SatPerKWeight](), + ) localMailDust, remoteMailDust := mbox.DustPackets() totalDust := linkDust @@ -4349,18 +4354,34 @@ func TestSwitchDustForwarding(t *testing.T) { return true } - // Wait until Bob is almost at the dust threshold. + // Wait until Bob is almost at the fee threshold. bobMbox := n.bobServer.htlcSwitch.mailOrchestrator.GetOrCreateMailBox( n.firstBobChannelLink.ChanID(), n.firstBobChannelLink.ShortChanID(), ) require.True(t, checkAlmostDust(n.firstBobChannelLink, bobMbox, false)) - // Assert that the HTLC is failed due to the dust threshold. + // Sending one more HTLC should fail. SendHTLC won't error, but the + // HTLC should be failed backwards. err = n.bobServer.htlcSwitch.SendHTLC( - aliceBobFirstHop, uint64(357), failingHtlc, + aliceBobFirstHop, uint64(bobAttemptID), failingHtlc, + ) + require.Nil(t, err) + + // Use the network result store to ensure the HTLC was failed + // backwards. + bobResultChan, err := n.bobServer.htlcSwitch.GetAttemptResult( + uint64(bobAttemptID), failingHash, newMockDeobfuscator(), ) - require.ErrorIs(t, err, errDustThresholdExceeded) + require.NoError(t, err) + + result, ok := <-bobResultChan + require.True(t, ok) + assertFailureCode( + t, result.Error, lnwire.CodeTemporaryChannelFailure, + ) + + bobAttemptID++ // Generate the parameters needed for bob to send a non-dust HTLC. nondustAmt := lnwire.NewMSatFromSatoshis(10_000) @@ -4371,8 +4392,9 @@ func TestSwitchDustForwarding(t *testing.T) { blob, err = generateRoute(hops...) require.NoError(t, err) - // Now attempt to send an HTLC above Bob's dust limit. It should - // succeed. + // Now attempt to send an HTLC above Bob's dust limit. Even though this + // is not a dust HTLC, it should fail because the increase in weight + // pushes us over the threshold. nondustPreimage := lntypes.Preimage{0, 0, 4} nondustHash := nondustPreimage.Hash() nondustHtlc := &lnwire.UpdateAddHTLC{ @@ -4382,12 +4404,23 @@ func TestSwitchDustForwarding(t *testing.T) { OnionBlob: blob, } - // Assert that SendHTLC succeeds and evaluateDustThreshold returns - // false. err = n.bobServer.htlcSwitch.SendHTLC( - aliceBobFirstHop, uint64(358), nondustHtlc, + aliceBobFirstHop, uint64(bobAttemptID), nondustHtlc, ) require.NoError(t, err) + require.True(t, checkAlmostDust(n.firstBobChannelLink, bobMbox, false)) + + // Check that the HTLC failed. + bobResultChan, err = n.bobServer.htlcSwitch.GetAttemptResult( + uint64(bobAttemptID), nondustHash, newMockDeobfuscator(), + ) + require.NoError(t, err) + + result, ok = <-bobResultChan + require.True(t, ok) + assertFailureCode( + t, result.Error, lnwire.CodeTemporaryChannelFailure, + ) // Introduce Carol into the mix and assert that sending a multi-hop // dust HTLC to Alice will fail. Bob should fail back the HTLC with a @@ -4417,21 +4450,19 @@ func TestSwitchDustForwarding(t *testing.T) { carolHtlc, ) require.NoError(t, err) - carolAttemptID++ carolResultChan, err := n.carolServer.htlcSwitch.GetAttemptResult( - uint64(carolAttemptID-1), carolHash, newMockDeobfuscator(), + uint64(carolAttemptID), carolHash, newMockDeobfuscator(), ) require.NoError(t, err) - result, ok := <-carolResultChan + result, ok = <-carolResultChan require.True(t, ok) assertFailureCode( t, result.Error, lnwire.CodeTemporaryChannelFailure, ) - // Send an HTLC from Alice to Carol and assert that it is failed at the - // call to SendHTLC. + // Send an HTLC from Alice to Carol and assert that it gets failed. htlcAmt, totalTimelock, aliceHops := generateHops( amt, testStartingHeight, n.firstBobChannelLink, n.carolChannelLink, @@ -4450,7 +4481,7 @@ func TestSwitchDustForwarding(t *testing.T) { } // Wait until Alice's expected dust for the remote commitment is just - // under the dust threshold. + // under the fee threshold. aliceOrch := n.aliceServer.htlcSwitch.mailOrchestrator aliceMbox := aliceOrch.GetOrCreateMailBox( n.aliceChannelLink.ChanID(), n.aliceChannelLink.ShortChanID(), @@ -4458,23 +4489,36 @@ func TestSwitchDustForwarding(t *testing.T) { require.True(t, checkAlmostDust(n.aliceChannelLink, aliceMbox, true)) err = n.aliceServer.htlcSwitch.SendHTLC( - n.aliceChannelLink.ShortChanID(), uint64(357), + n.aliceChannelLink.ShortChanID(), uint64(aliceAttemptID), aliceMultihopHtlc, ) - require.ErrorIs(t, err, errDustThresholdExceeded) + require.Nil(t, err) + + aliceResultChan, err := n.aliceServer.htlcSwitch.GetAttemptResult( + uint64(aliceAttemptID), aliceMultihopHash, + newMockDeobfuscator(), + ) + require.NoError(t, err) + + result, ok = <-aliceResultChan + require.True(t, ok) + assertFailureCode( + t, result.Error, lnwire.CodeTemporaryChannelFailure, + ) + + // Check that there are numHTLCs circuits open for both Alice and Bob. + require.Equal(t, numHTLCs, n.aliceServer.htlcSwitch.circuits.NumOpen()) + require.Equal(t, numHTLCs, n.bobServer.htlcSwitch.circuits.NumOpen()) } // sendDustHtlcs is a helper function used to send many dust HTLC's to test the // Switch's dust-threshold logic. It takes a boolean denoting whether or not // Alice is the sender. func sendDustHtlcs(t *testing.T, n *threeHopNetwork, alice bool, - amt lnwire.MilliSatoshi, sid lnwire.ShortChannelID) { + amt lnwire.MilliSatoshi, sid lnwire.ShortChannelID, numHTLCs int) { t.Helper() - // The number of dust HTLC's we'll send for both Alice and Bob. - numHTLCs := 357 - // Extract the destination into a variable. If alice is the sender, the // destination is Bob. destLink := n.aliceChannelLink @@ -4527,8 +4571,8 @@ func sendDustHtlcs(t *testing.T, n *threeHopNetwork, alice bool, } for { - // It may be the case that the dust threshold is hit - // before all 357*2 HTLC's are sent due to double + // It may be the case that the fee threshold is hit + // before all numHTLCs*2 HTLC's are sent due to double // counting. Get around this by continuing to send // until successful. err = sendingSwitch.SendHTLC(sid, attemptID, htlc) @@ -4542,7 +4586,7 @@ func sendDustHtlcs(t *testing.T, n *threeHopNetwork, alice bool, } // TestSwitchMailboxDust tests that the switch takes into account the mailbox -// dust when evaluating the dust threshold. The mockChannelLink does not have +// dust when evaluating the fee threshold. The mockChannelLink does not have // channel state, so this only tests the switch-mailbox interaction. func TestSwitchMailboxDust(t *testing.T) { t.Parallel() @@ -4612,7 +4656,7 @@ func TestSwitchMailboxDust(t *testing.T) { var carolHTLCID uint64 // It will take aliceCount HTLC's of 350sats to fill up Alice's mailbox - // to the point where another would put Alice over the dust threshold. + // to the point where another would put Alice over the fee threshold. aliceCount := 1428 mailbox := s.mailOrchestrator.GetOrCreateMailBox(chanID1, aliceChanID) @@ -4634,10 +4678,10 @@ func TestSwitchMailboxDust(t *testing.T) { carolHTLCID++ } - // Sending one more HTLC to Alice should result in the dust threshold + // Sending one more HTLC to Alice should result in the fee threshold // being breached. err = s.SendHTLC(aliceChanID, 0, addMsg) - require.ErrorIs(t, err, errDustThresholdExceeded) + require.ErrorIs(t, err, errFeeExposureExceeded) // We'll now call ForwardPackets from Bob to ensure that the mailbox // sum is also accounted for in the forwarding case. diff --git a/lnwallet/channel.go b/lnwallet/channel.go index b4ea2fee01..e87ce626bb 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -26,6 +26,7 @@ import ( "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lntypes" @@ -2989,7 +2990,7 @@ func (lc *LightningChannel) fetchCommitmentView(remoteChain bool, // initiator. htlcView := lc.fetchHTLCView(theirLogIndex, ourLogIndex) ourBalance, theirBalance, _, filteredHTLCView, err := lc.computeView( - htlcView, remoteChain, true, + htlcView, remoteChain, true, fn.None[chainfee.SatPerKWeight](), ) if err != nil { return nil, err @@ -3949,7 +3950,7 @@ func (lc *LightningChannel) validateCommitmentSanity(theirLogCounter, } ourBalance, theirBalance, commitWeight, filteredView, err := lc.computeView( - view, remoteChain, false, + view, remoteChain, false, fn.None[chainfee.SatPerKWeight](), ) if err != nil { return err @@ -4711,13 +4712,15 @@ func (lc *LightningChannel) ProcessChanSyncMsg( // view (settling unsettled HTLCs), commitment weight and feePerKw, after // applying the HTLCs to the latest commitment. The returned balances are the // balances *before* subtracting the commitment fee from the initiator's -// balance. +// balance. It accepts a "dry run" feerate argument to calculate a potential +// commitment transaction fee. // // If the updateState boolean is set true, the add and remove heights of the // HTLCs will be set to the next commitment height. func (lc *LightningChannel) computeView(view *htlcView, remoteChain bool, - updateState bool) (lnwire.MilliSatoshi, lnwire.MilliSatoshi, - lntypes.WeightUnit, *htlcView, error) { + updateState bool, dryRunFee fn.Option[chainfee.SatPerKWeight]) ( + lnwire.MilliSatoshi, lnwire.MilliSatoshi, lntypes.WeightUnit, + *htlcView, error) { commitChain := lc.localCommitChain dustLimit := lc.channelState.LocalChanCfg.DustLimit @@ -4763,6 +4766,12 @@ func (lc *LightningChannel) computeView(view *htlcView, remoteChain bool, } feePerKw := filteredHTLCView.feePerKw + // Here we override the view's fee-rate if a dry-run fee-rate was + // passed in. + if !updateState { + feePerKw = dryRunFee.UnwrapOr(feePerKw) + } + // We need to first check ourBalance and theirBalance to be negative // because MilliSathoshi is a unsigned type and can underflow in // `evaluateHTLCView`. This should never happen for views which do not @@ -5954,7 +5963,9 @@ func (lc *LightningChannel) addHTLC(htlc *lnwire.UpdateAddHTLC, // commitment tx. // // NOTE: This over-estimates the dust exposure. -func (lc *LightningChannel) GetDustSum(remote bool) lnwire.MilliSatoshi { +func (lc *LightningChannel) GetDustSum(remote bool, + dryRunFee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi { + lc.RLock() defer lc.RUnlock() @@ -5971,6 +5982,9 @@ func (lc *LightningChannel) GetDustSum(remote bool) lnwire.MilliSatoshi { chanType := lc.channelState.ChanType feeRate := chainfee.SatPerKWeight(commit.FeePerKw) + // Optionally use the dry-run fee-rate. + feeRate = dryRunFee.UnwrapOr(feeRate) + // Grab all of our HTLCs and evaluate against the dust limit. for e := lc.localUpdateLog.Front(); e != nil; e = e.Next() { pd := e.Value.(*PaymentDescriptor) @@ -8256,7 +8270,7 @@ func (lc *LightningChannel) availableCommitmentBalance( // into account HTLCs to determine the commit weight, which the // initiator must pay the fee for. ourBalance, theirBalance, commitWeight, filteredView, err := lc.computeView( - view, remoteChain, false, + view, remoteChain, false, fn.None[chainfee.SatPerKWeight](), ) if err != nil { lc.log.Errorf("Unable to fetch available balance: %v", err) @@ -8456,6 +8470,54 @@ func (lc *LightningChannel) UpdateFee(feePerKw chainfee.SatPerKWeight) error { return nil } +// CommitFeeTotalAt applies a proposed feerate to the channel and returns the +// commitment fee with this new feerate. It does not modify the underlying +// LightningChannel. +func (lc *LightningChannel) CommitFeeTotalAt( + feePerKw chainfee.SatPerKWeight) (btcutil.Amount, btcutil.Amount, + error) { + + lc.RLock() + defer lc.RUnlock() + + dryRunFee := fn.Some[chainfee.SatPerKWeight](feePerKw) + + // We want to grab every update in both update logs to calculate the + // commitment fees in the worst-case with this fee-rate. + localIdx := lc.localUpdateLog.logIndex + remoteIdx := lc.remoteUpdateLog.logIndex + + localHtlcView := lc.fetchHTLCView(remoteIdx, localIdx) + + var localCommitFee, remoteCommitFee btcutil.Amount + + // Compute the local commitment's weight. + _, _, localWeight, _, err := lc.computeView( + localHtlcView, false, false, dryRunFee, + ) + if err != nil { + return 0, 0, err + } + + localCommitFee = feePerKw.FeeForWeight(localWeight) + + // Create another view in case for some reason the prior one was + // mutated. + remoteHtlcView := lc.fetchHTLCView(remoteIdx, localIdx) + + // Compute the remote commitment's weight. + _, _, remoteWeight, _, err := lc.computeView( + remoteHtlcView, true, false, dryRunFee, + ) + if err != nil { + return 0, 0, err + } + + remoteCommitFee = feePerKw.FeeForWeight(remoteWeight) + + return localCommitFee, remoteCommitFee, err +} + // ReceiveUpdateFee handles an updated fee sent from remote. This method will // return an error if called as channel initiator. func (lc *LightningChannel) ReceiveUpdateFee(feePerKw chainfee.SatPerKWeight) error { @@ -8810,6 +8872,22 @@ func (lc *LightningChannel) CommitFeeRate() chainfee.SatPerKWeight { return chainfee.SatPerKWeight(lc.channelState.LocalCommitment.FeePerKw) } +// WorstCaseFeeRate returns the higher feerate from either the local commitment +// or the remote commitment. +func (lc *LightningChannel) WorstCaseFeeRate() chainfee.SatPerKWeight { + lc.RLock() + defer lc.RUnlock() + + localFeeRate := lc.channelState.LocalCommitment.FeePerKw + remoteFeeRate := lc.channelState.RemoteCommitment.FeePerKw + + if localFeeRate > remoteFeeRate { + return chainfee.SatPerKWeight(localFeeRate) + } + + return chainfee.SatPerKWeight(remoteFeeRate) +} + // IsPending returns true if the channel's funding transaction has been fully // confirmed, and false otherwise. func (lc *LightningChannel) IsPending() bool { diff --git a/lnwallet/channel_test.go b/lnwallet/channel_test.go index 4accf1262f..185bdf87a6 100644 --- a/lnwallet/channel_test.go +++ b/lnwallet/channel_test.go @@ -21,6 +21,7 @@ import ( "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwallet/chainfee" @@ -9750,9 +9751,13 @@ func testGetDustSum(t *testing.T, chantype channeldb.ChannelType) { checkDust := func(c *LightningChannel, expLocal, expRemote lnwire.MilliSatoshi) { - localDustSum := c.GetDustSum(false) + localDustSum := c.GetDustSum( + false, fn.None[chainfee.SatPerKWeight](), + ) require.Equal(t, expLocal, localDustSum) - remoteDustSum := c.GetDustSum(true) + remoteDustSum := c.GetDustSum( + true, fn.None[chainfee.SatPerKWeight](), + ) require.Equal(t, expRemote, remoteDustSum) } diff --git a/peer/brontide.go b/peer/brontide.go index fa2c8fde9a..7a390cfd7c 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -381,6 +381,10 @@ type Config struct { // invalid. DisallowRouteBlinding bool + // MaxFeeExposure limits the number of outstanding fees in a channel. + // This value will be passed to created links. + MaxFeeExposure lnwire.MilliSatoshi + // Quit is the server's quit channel. If this is closed, we halt operation. Quit chan struct{} } @@ -1194,6 +1198,7 @@ func (p *Brontide) addLink(chanPoint *wire.OutPoint, GetAliases: p.cfg.GetAliases, PreviouslySentShutdown: shutdownMsg, DisallowRouteBlinding: p.cfg.DisallowRouteBlinding, + MaxFeeExposure: p.cfg.MaxFeeExposure, } // Before adding our new link, purge the switch of any pending or live diff --git a/server.go b/server.go index a3b1284067..2fb3cc98bb 100644 --- a/server.go +++ b/server.go @@ -638,7 +638,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, s.htlcNotifier = htlcswitch.NewHtlcNotifier(time.Now) - thresholdSats := btcutil.Amount(cfg.DustThreshold) + thresholdSats := btcutil.Amount(cfg.MaxFeeExposure) thresholdMSats := lnwire.NewMSatFromSatoshis(thresholdSats) s.aliasMgr, err = aliasmgr.NewManager(dbs.ChanStateDB) @@ -678,7 +678,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, RejectHTLC: cfg.RejectHTLC, Clock: clock.NewDefaultClock(), MailboxDeliveryTimeout: cfg.Htlcswitch.MailboxDeliveryTimeout, - DustThreshold: thresholdMSats, + MaxFeeExposure: thresholdMSats, SignAliasUpdate: s.signAliasUpdate, IsAlias: aliasmgr.IsAlias, }, uint32(currentHeight)) @@ -3863,6 +3863,9 @@ func (s *server) peerConnected(conn net.Conn, connReq *connmgr.ConnReq, towerClient = s.towerClientMgr } + thresholdSats := btcutil.Amount(s.cfg.MaxFeeExposure) + thresholdMSats := lnwire.NewMSatFromSatoshis(thresholdSats) + // Now that we've established a connection, create a peer, and it to the // set of currently active peers. Configure the peer with the incoming // and outgoing broadcast deltas to prevent htlcs from being accepted or @@ -3932,6 +3935,7 @@ func (s *server) peerConnected(conn net.Conn, connReq *connmgr.ConnReq, RequestAlias: s.aliasMgr.RequestAlias, AddLocalAlias: s.aliasMgr.AddLocalAlias, DisallowRouteBlinding: s.cfg.ProtocolOptions.NoRouteBlinding(), + MaxFeeExposure: thresholdMSats, Quit: s.quit, } From c1138af4abfbd3a6018135054803f0aa5eb5520d Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Mon, 29 Jul 2024 14:11:59 -0400 Subject: [PATCH 182/343] itest: modify async_bidirectional_payments itest to pass --- itest/lnd_payment_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/itest/lnd_payment_test.go b/itest/lnd_payment_test.go index 143b645fde..11f62c6468 100644 --- a/itest/lnd_payment_test.go +++ b/itest/lnd_payment_test.go @@ -504,7 +504,7 @@ func testBidirectionalAsyncPayments(ht *lntest.HarnessTest) { args := []string{ // Increase the dust threshold to avoid the payments fail due // to threshold limit reached. - "--dust-threshold=5000000", + "--dust-threshold=10000000", // Increase the pending commit interval since there are lots of // commitment dances. From 74636e9bddbd4583e8dde1ad46ca1ba879bf1bf8 Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Mon, 29 Jul 2024 14:12:37 -0400 Subject: [PATCH 183/343] release-notes: update for 0.18.3 --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 521992d727..0d769fa834 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -76,6 +76,9 @@ All units are `sats/kvB`. If the new field `min_relay_feerate` is not set, the default floor feerate (1012 sats/kvB) will be used. +* Commitment fees are now taken into account when [calculating the fee + exposure threshold](https://github.com/lightningnetwork/lnd/pull/8824). + ## RPC Updates * [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) @@ -147,6 +150,7 @@ * Andras Banki-Horvath * Bufo * Elle Mouton +* Eugene Siegel * Matheus Degiovani * Oliver Gugger * Slyghtning From 060befd0271fd86c90c0dc0fe48629f113181d2a Mon Sep 17 00:00:00 2001 From: Filiprogrammer <44641787+Filiprogrammer@users.noreply.github.com> Date: Mon, 29 Jul 2024 21:23:57 +0200 Subject: [PATCH 184/343] docs: fix leader node readiness probe example [skip ci] Add the missing SERVER_ACTIVE state to the readiness probe. Without this, a node that is ready to accept RPC calls would be incorrectly considered not ready. --- docs/leader_election.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/leader_election.md b/docs/leader_election.md index 8ac940b355..9089eb2b71 100644 --- a/docs/leader_election.md +++ b/docs/leader_election.md @@ -89,7 +89,7 @@ readinessProbe: command: [ "/bin/sh", "-c", - "set -e; set -o pipefail; curl -s -k -o - https://localhost:8080/v1/state | jq .'State' | grep -E 'NON_EXISTING|LOCKED|UNLOCKED|RPC_ACTIVE'", + "set -e; set -o pipefail; curl -s -k -o - https://localhost:8080/v1/state | jq .'State' | grep -E 'NON_EXISTING|LOCKED|UNLOCKED|RPC_ACTIVE|SERVER_ACTIVE'", ] periodSeconds: 1 ``` From 39db0221f0208673bb0203679349982edaa55156 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Apr 2024 16:54:27 -0700 Subject: [PATCH 185/343] lnwallet: move PaymentDescriptor definition to its own file --- lnwallet/channel.go | 214 ------------------------------- lnwallet/payment_descriptor.go | 224 +++++++++++++++++++++++++++++++++ 2 files changed, 224 insertions(+), 214 deletions(-) create mode 100644 lnwallet/payment_descriptor.go diff --git a/lnwallet/channel.go b/lnwallet/channel.go index b4ea2fee01..a083b89c32 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -167,220 +167,6 @@ func (e *ErrCommitSyncLocalDataLoss) Error() string { // payments requested by the wallet/daemon. type PaymentHash [32]byte -// updateType is the exact type of an entry within the shared HTLC log. -type updateType uint8 - -const ( - // Add is an update type that adds a new HTLC entry into the log. - // Either side can add a new pending HTLC by adding a new Add entry - // into their update log. - Add updateType = iota - - // Fail is an update type which removes a prior HTLC entry from the - // log. Adding a Fail entry to one's log will modify the _remote_ - // party's update log once a new commitment view has been evaluated - // which contains the Fail entry. - Fail - - // MalformedFail is an update type which removes a prior HTLC entry - // from the log. Adding a MalformedFail entry to one's log will modify - // the _remote_ party's update log once a new commitment view has been - // evaluated which contains the MalformedFail entry. The difference - // from Fail type lie in the different data we have to store. - MalformedFail - - // Settle is an update type which settles a prior HTLC crediting the - // balance of the receiving node. Adding a Settle entry to a log will - // result in the settle entry being removed on the log as well as the - // original add entry from the remote party's log after the next state - // transition. - Settle - - // FeeUpdate is an update type sent by the channel initiator that - // updates the fee rate used when signing the commitment transaction. - FeeUpdate -) - -// String returns a human readable string that uniquely identifies the target -// update type. -func (u updateType) String() string { - switch u { - case Add: - return "Add" - case Fail: - return "Fail" - case MalformedFail: - return "MalformedFail" - case Settle: - return "Settle" - case FeeUpdate: - return "FeeUpdate" - default: - return "" - } -} - -// PaymentDescriptor represents a commitment state update which either adds, -// settles, or removes an HTLC. PaymentDescriptors encapsulate all necessary -// metadata w.r.t to an HTLC, and additional data pairing a settle message to -// the original added HTLC. -// -// TODO(roasbeef): LogEntry interface?? -// - need to separate attrs for cancel/add/settle/feeupdate -type PaymentDescriptor struct { - // RHash is the payment hash for this HTLC. The HTLC can be settled iff - // the preimage to this hash is presented. - RHash PaymentHash - - // RPreimage is the preimage that settles the HTLC pointed to within the - // log by the ParentIndex. - RPreimage PaymentHash - - // Timeout is the absolute timeout in blocks, after which this HTLC - // expires. - Timeout uint32 - - // Amount is the HTLC amount in milli-satoshis. - Amount lnwire.MilliSatoshi - - // LogIndex is the log entry number that his HTLC update has within the - // log. Depending on if IsIncoming is true, this is either an entry the - // remote party added, or one that we added locally. - LogIndex uint64 - - // HtlcIndex is the index within the main update log for this HTLC. - // Entries within the log of type Add will have this field populated, - // as other entries will point to the entry via this counter. - // - // NOTE: This field will only be populate if EntryType is Add. - HtlcIndex uint64 - - // ParentIndex is the HTLC index of the entry that this update settles or - // times out. - // - // NOTE: This field will only be populate if EntryType is Fail or - // Settle. - ParentIndex uint64 - - // SourceRef points to an Add update in a forwarding package owned by - // this channel. - // - // NOTE: This field will only be populated if EntryType is Fail or - // Settle. - SourceRef *channeldb.AddRef - - // DestRef points to a Fail/Settle update in another link's forwarding - // package. - // - // NOTE: This field will only be populated if EntryType is Fail or - // Settle, and the forwarded Add successfully included in an outgoing - // link's commitment txn. - DestRef *channeldb.SettleFailRef - - // OpenCircuitKey references the incoming Chan/HTLC ID of an Add HTLC - // packet delivered by the switch. - // - // NOTE: This field is only populated for payment descriptors in the - // *local* update log, and if the Add packet was delivered by the - // switch. - OpenCircuitKey *models.CircuitKey - - // ClosedCircuitKey references the incoming Chan/HTLC ID of the Add HTLC - // that opened the circuit. - // - // NOTE: This field is only populated for payment descriptors in the - // *local* update log, and if settle/fails have a committed circuit in - // the circuit map. - ClosedCircuitKey *models.CircuitKey - - // localOutputIndex is the output index of this HTLc output in the - // commitment transaction of the local node. - // - // NOTE: If the output is dust from the PoV of the local commitment - // chain, then this value will be -1. - localOutputIndex int32 - - // remoteOutputIndex is the output index of this HTLC output in the - // commitment transaction of the remote node. - // - // NOTE: If the output is dust from the PoV of the remote commitment - // chain, then this value will be -1. - remoteOutputIndex int32 - - // sig is the signature for the second-level HTLC transaction that - // spends the version of this HTLC on the commitment transaction of the - // local node. This signature is generated by the remote node and - // stored by the local node in the case that local node needs to - // broadcast their commitment transaction. - sig input.Signature - - // addCommitHeight[Remote|Local] encodes the height of the commitment - // which included this HTLC on either the remote or local commitment - // chain. This value is used to determine when an HTLC is fully - // "locked-in". - addCommitHeightRemote uint64 - addCommitHeightLocal uint64 - - // removeCommitHeight[Remote|Local] encodes the height of the - // commitment which removed the parent pointer of this - // PaymentDescriptor either due to a timeout or a settle. Once both - // these heights are below the tail of both chains, the log entries can - // safely be removed. - removeCommitHeightRemote uint64 - removeCommitHeightLocal uint64 - - // OnionBlob is an opaque blob which is used to complete multi-hop - // routing. - // - // NOTE: Populated only on add payment descriptor entry types. - OnionBlob []byte - - // ShaOnionBlob is a sha of the onion blob. - // - // NOTE: Populated only in payment descriptor with MalformedFail type. - ShaOnionBlob [sha256.Size]byte - - // FailReason stores the reason why a particular payment was canceled. - // - // NOTE: Populate only in fail payment descriptor entry types. - FailReason []byte - - // FailCode stores the code why a particular payment was canceled. - // - // NOTE: Populated only in payment descriptor with MalformedFail type. - FailCode lnwire.FailCode - - // [our|their|]PkScript are the raw public key scripts that encodes the - // redemption rules for this particular HTLC. These fields will only be - // populated iff the EntryType of this PaymentDescriptor is Add. - // ourPkScript is the ourPkScript from the context of our local - // commitment chain. theirPkScript is the latest pkScript from the - // context of the remote commitment chain. - // - // NOTE: These values may change within the logs themselves, however, - // they'll stay consistent within the commitment chain entries - // themselves. - ourPkScript []byte - ourWitnessScript []byte - theirPkScript []byte - theirWitnessScript []byte - - // EntryType denotes the exact type of the PaymentDescriptor. In the - // case of a Timeout, or Settle type, then the Parent field will point - // into the log to the HTLC being modified. - EntryType updateType - - // isForwarded denotes if an incoming HTLC has been forwarded to any - // possible upstream peers in the route. - isForwarded bool - - // BlindingPoint is an optional ephemeral key used in route blinding. - // This value is set for nodes that are relaying payments inside of a - // blinded route (ie, not the introduction node) from update_add_htlc's - // TLVs. - BlindingPoint lnwire.BlindingPointRecord -} - // PayDescsFromRemoteLogUpdates converts a slice of LogUpdates received from the // remote peer into PaymentDescriptors to inform a link's forwarding decisions. // diff --git a/lnwallet/payment_descriptor.go b/lnwallet/payment_descriptor.go new file mode 100644 index 0000000000..f0ac8b9f7e --- /dev/null +++ b/lnwallet/payment_descriptor.go @@ -0,0 +1,224 @@ +package lnwallet + +import ( + "crypto/sha256" + + "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/lnwire" +) + +// updateType is the exact type of an entry within the shared HTLC log. +type updateType uint8 + +const ( + // Add is an update type that adds a new HTLC entry into the log. + // Either side can add a new pending HTLC by adding a new Add entry + // into their update log. + Add updateType = iota + + // Fail is an update type which removes a prior HTLC entry from the + // log. Adding a Fail entry to one's log will modify the _remote_ + // party's update log once a new commitment view has been evaluated + // which contains the Fail entry. + Fail + + // MalformedFail is an update type which removes a prior HTLC entry + // from the log. Adding a MalformedFail entry to one's log will modify + // the _remote_ party's update log once a new commitment view has been + // evaluated which contains the MalformedFail entry. The difference + // from Fail type lie in the different data we have to store. + MalformedFail + + // Settle is an update type which settles a prior HTLC crediting the + // balance of the receiving node. Adding a Settle entry to a log will + // result in the settle entry being removed on the log as well as the + // original add entry from the remote party's log after the next state + // transition. + Settle + + // FeeUpdate is an update type sent by the channel initiator that + // updates the fee rate used when signing the commitment transaction. + FeeUpdate +) + +// String returns a human readable string that uniquely identifies the target +// update type. +func (u updateType) String() string { + switch u { + case Add: + return "Add" + case Fail: + return "Fail" + case MalformedFail: + return "MalformedFail" + case Settle: + return "Settle" + case FeeUpdate: + return "FeeUpdate" + default: + return "" + } +} + +// PaymentDescriptor represents a commitment state update which either adds, +// settles, or removes an HTLC. PaymentDescriptors encapsulate all necessary +// metadata w.r.t to an HTLC, and additional data pairing a settle message to +// the original added HTLC. +// +// TODO(roasbeef): LogEntry interface?? +// - need to separate attrs for cancel/add/settle/feeupdate +type PaymentDescriptor struct { + // RHash is the payment hash for this HTLC. The HTLC can be settled iff + // the preimage to this hash is presented. + RHash PaymentHash + + // RPreimage is the preimage that settles the HTLC pointed to within the + // log by the ParentIndex. + RPreimage PaymentHash + + // Timeout is the absolute timeout in blocks, after which this HTLC + // expires. + Timeout uint32 + + // Amount is the HTLC amount in milli-satoshis. + Amount lnwire.MilliSatoshi + + // LogIndex is the log entry number that his HTLC update has within the + // log. Depending on if IsIncoming is true, this is either an entry the + // remote party added, or one that we added locally. + LogIndex uint64 + + // HtlcIndex is the index within the main update log for this HTLC. + // Entries within the log of type Add will have this field populated, + // as other entries will point to the entry via this counter. + // + // NOTE: This field will only be populate if EntryType is Add. + HtlcIndex uint64 + + // ParentIndex is the HTLC index of the entry that this update settles + // or times out. + // + // NOTE: This field will only be populate if EntryType is Fail or + // Settle. + ParentIndex uint64 + + // SourceRef points to an Add update in a forwarding package owned by + // this channel. + // + // NOTE: This field will only be populated if EntryType is Fail or + // Settle. + SourceRef *channeldb.AddRef + + // DestRef points to a Fail/Settle update in another link's forwarding + // package. + // + // NOTE: This field will only be populated if EntryType is Fail or + // Settle, and the forwarded Add successfully included in an outgoing + // link's commitment txn. + DestRef *channeldb.SettleFailRef + + // OpenCircuitKey references the incoming Chan/HTLC ID of an Add HTLC + // packet delivered by the switch. + // + // NOTE: This field is only populated for payment descriptors in the + // *local* update log, and if the Add packet was delivered by the + // switch. + OpenCircuitKey *models.CircuitKey + + // ClosedCircuitKey references the incoming Chan/HTLC ID of the Add HTLC + // that opened the circuit. + // + // NOTE: This field is only populated for payment descriptors in the + // *local* update log, and if settle/fails have a committed circuit in + // the circuit map. + ClosedCircuitKey *models.CircuitKey + + // localOutputIndex is the output index of this HTLc output in the + // commitment transaction of the local node. + // + // NOTE: If the output is dust from the PoV of the local commitment + // chain, then this value will be -1. + localOutputIndex int32 + + // remoteOutputIndex is the output index of this HTLC output in the + // commitment transaction of the remote node. + // + // NOTE: If the output is dust from the PoV of the remote commitment + // chain, then this value will be -1. + remoteOutputIndex int32 + + // sig is the signature for the second-level HTLC transaction that + // spends the version of this HTLC on the commitment transaction of the + // local node. This signature is generated by the remote node and + // stored by the local node in the case that local node needs to + // broadcast their commitment transaction. + sig input.Signature + + // addCommitHeight[Remote|Local] encodes the height of the commitment + // which included this HTLC on either the remote or local commitment + // chain. This value is used to determine when an HTLC is fully + // "locked-in". + addCommitHeightRemote uint64 + addCommitHeightLocal uint64 + + // removeCommitHeight[Remote|Local] encodes the height of the + // commitment which removed the parent pointer of this + // PaymentDescriptor either due to a timeout or a settle. Once both + // these heights are below the tail of both chains, the log entries can + // safely be removed. + removeCommitHeightRemote uint64 + removeCommitHeightLocal uint64 + + // OnionBlob is an opaque blob which is used to complete multi-hop + // routing. + // + // NOTE: Populated only on add payment descriptor entry types. + OnionBlob []byte + + // ShaOnionBlob is a sha of the onion blob. + // + // NOTE: Populated only in payment descriptor with MalformedFail type. + ShaOnionBlob [sha256.Size]byte + + // FailReason stores the reason why a particular payment was canceled. + // + // NOTE: Populate only in fail payment descriptor entry types. + FailReason []byte + + // FailCode stores the code why a particular payment was canceled. + // + // NOTE: Populated only in payment descriptor with MalformedFail type. + FailCode lnwire.FailCode + + // [our|their|]PkScript are the raw public key scripts that encodes the + // redemption rules for this particular HTLC. These fields will only be + // populated iff the EntryType of this PaymentDescriptor is Add. + // ourPkScript is the ourPkScript from the context of our local + // commitment chain. theirPkScript is the latest pkScript from the + // context of the remote commitment chain. + // + // NOTE: These values may change within the logs themselves, however, + // they'll stay consistent within the commitment chain entries + // themselves. + ourPkScript []byte + ourWitnessScript []byte + theirPkScript []byte + theirWitnessScript []byte + + // EntryType denotes the exact type of the PaymentDescriptor. In the + // case of a Timeout, or Settle type, then the Parent field will point + // into the log to the HTLC being modified. + EntryType updateType + + // isForwarded denotes if an incoming HTLC has been forwarded to any + // possible upstream peers in the route. + isForwarded bool + + // BlindingPoint is an optional ephemeral key used in route blinding. + // This value is set for nodes that are relaying payments inside of a + // blinded route (ie, not the introduction node) from update_add_htlc's + // TLVs. + BlindingPoint lnwire.BlindingPointRecord +} From 51060aed45abf9092bfb82fd64346d509645ee00 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Thu, 6 Jun 2024 14:08:53 -0700 Subject: [PATCH 186/343] lnwallet: move updateLog to its own file. --- lnwallet/channel.go | 192 ---------------------------------------- lnwallet/update_log.go | 196 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 196 insertions(+), 192 deletions(-) create mode 100644 lnwallet/update_log.go diff --git a/lnwallet/channel.go b/lnwallet/channel.go index a083b89c32..d03c5df1ae 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -823,198 +823,6 @@ func (s *commitmentChain) hasUnackedCommitment() bool { return s.commitments.Front() != s.commitments.Back() } -// updateLog is an append-only log that stores updates to a node's commitment -// chain. This structure can be seen as the "mempool" within Lightning where -// changes are stored before they're committed to the chain. Once an entry has -// been committed in both the local and remote commitment chain, then it can be -// removed from this log. -// -// TODO(roasbeef): create lightning package, move commitment and update to -// package? -// - also move state machine, separate from lnwallet package -// - possible embed updateLog within commitmentChain. -type updateLog struct { - // logIndex is a monotonically increasing integer that tracks the total - // number of update entries ever applied to the log. When sending new - // commitment states, we include all updates up to this index. - logIndex uint64 - - // htlcCounter is a monotonically increasing integer that tracks the - // total number of offered HTLC's by the owner of this update log, - // hence the `Add` update type. We use a distinct index for this - // purpose, as update's that remove entries from the log will be - // indexed using this counter. - htlcCounter uint64 - - // List is the updatelog itself, we embed this value so updateLog has - // access to all the method of a list.List. - *list.List - - // updateIndex maps a `logIndex` to a particular update entry. It - // deals with the four update types: - // `Fail|MalformedFail|Settle|FeeUpdate` - updateIndex map[uint64]*list.Element - - // htlcIndex maps a `htlcCounter` to an offered HTLC entry, hence the - // `Add` update. - htlcIndex map[uint64]*list.Element - - // modifiedHtlcs is a set that keeps track of all the current modified - // htlcs, hence update types `Fail|MalformedFail|Settle`. A modified - // HTLC is one that's present in the log, and has as a pending fail or - // settle that's attempting to consume it. - modifiedHtlcs map[uint64]struct{} -} - -// newUpdateLog creates a new updateLog instance. -func newUpdateLog(logIndex, htlcCounter uint64) *updateLog { - return &updateLog{ - List: list.New(), - updateIndex: make(map[uint64]*list.Element), - htlcIndex: make(map[uint64]*list.Element), - logIndex: logIndex, - htlcCounter: htlcCounter, - modifiedHtlcs: make(map[uint64]struct{}), - } -} - -// restoreHtlc will "restore" a prior HTLC to the updateLog. We say restore as -// this method is intended to be used when re-covering a prior commitment -// state. This function differs from appendHtlc in that it won't increment -// either of log's counters. If the HTLC is already present, then it is -// ignored. -func (u *updateLog) restoreHtlc(pd *PaymentDescriptor) { - if _, ok := u.htlcIndex[pd.HtlcIndex]; ok { - return - } - - u.htlcIndex[pd.HtlcIndex] = u.PushBack(pd) -} - -// appendUpdate appends a new update to the tip of the updateLog. The entry is -// also added to index accordingly. -func (u *updateLog) appendUpdate(pd *PaymentDescriptor) { - u.updateIndex[u.logIndex] = u.PushBack(pd) - u.logIndex++ -} - -// restoreUpdate appends a new update to the tip of the updateLog. The entry is -// also added to index accordingly. This function differs from appendUpdate in -// that it won't increment the log index counter. -func (u *updateLog) restoreUpdate(pd *PaymentDescriptor) { - u.updateIndex[pd.LogIndex] = u.PushBack(pd) -} - -// appendHtlc appends a new HTLC offer to the tip of the update log. The entry -// is also added to the offer index accordingly. -func (u *updateLog) appendHtlc(pd *PaymentDescriptor) { - u.htlcIndex[u.htlcCounter] = u.PushBack(pd) - u.htlcCounter++ - - u.logIndex++ -} - -// lookupHtlc attempts to look up an offered HTLC according to its offer -// index. If the entry isn't found, then a nil pointer is returned. -func (u *updateLog) lookupHtlc(i uint64) *PaymentDescriptor { - htlc, ok := u.htlcIndex[i] - if !ok { - return nil - } - - return htlc.Value.(*PaymentDescriptor) -} - -// remove attempts to remove an entry from the update log. If the entry is -// found, then the entry will be removed from the update log and index. -func (u *updateLog) removeUpdate(i uint64) { - entry := u.updateIndex[i] - u.Remove(entry) - delete(u.updateIndex, i) -} - -// removeHtlc attempts to remove an HTLC offer form the update log. If the -// entry is found, then the entry will be removed from both the main log and -// the offer index. -func (u *updateLog) removeHtlc(i uint64) { - entry := u.htlcIndex[i] - u.Remove(entry) - delete(u.htlcIndex, i) - - delete(u.modifiedHtlcs, i) -} - -// htlcHasModification returns true if the HTLC identified by the passed index -// has a pending modification within the log. -func (u *updateLog) htlcHasModification(i uint64) bool { - _, o := u.modifiedHtlcs[i] - return o -} - -// markHtlcModified marks an HTLC as modified based on its HTLC index. After a -// call to this method, htlcHasModification will return true until the HTLC is -// removed. -func (u *updateLog) markHtlcModified(i uint64) { - u.modifiedHtlcs[i] = struct{}{} -} - -// compactLogs performs garbage collection within the log removing HTLCs which -// have been removed from the point-of-view of the tail of both chains. The -// entries which timeout/settle HTLCs are also removed. -func compactLogs(ourLog, theirLog *updateLog, - localChainTail, remoteChainTail uint64) { - - compactLog := func(logA, logB *updateLog) { - var nextA *list.Element - for e := logA.Front(); e != nil; e = nextA { - // Assign next iteration element at top of loop because - // we may remove the current element from the list, - // which can change the iterated sequence. - nextA = e.Next() - - htlc := e.Value.(*PaymentDescriptor) - - // We skip Adds, as they will be removed along with the - // fail/settles below. - if htlc.EntryType == Add { - continue - } - - // If the HTLC hasn't yet been removed from either - // chain, the skip it. - if htlc.removeCommitHeightRemote == 0 || - htlc.removeCommitHeightLocal == 0 { - continue - } - - // Otherwise if the height of the tail of both chains - // is at least the height in which the HTLC was - // removed, then evict the settle/timeout entry along - // with the original add entry. - if remoteChainTail >= htlc.removeCommitHeightRemote && - localChainTail >= htlc.removeCommitHeightLocal { - - // Fee updates have no parent htlcs, so we only - // remove the update itself. - if htlc.EntryType == FeeUpdate { - logA.removeUpdate(htlc.LogIndex) - continue - } - - // The other types (fail/settle) do have a - // parent HTLC, so we'll remove that HTLC from - // the other log. - logA.removeUpdate(htlc.LogIndex) - logB.removeHtlc(htlc.ParentIndex) - } - - } - } - - compactLog(ourLog, theirLog) - compactLog(theirLog, ourLog) -} - // LightningChannel implements the state machine which corresponds to the // current commitment protocol wire spec. The state machine implemented allows // for asynchronous fully desynchronized, batched+pipelined updates to diff --git a/lnwallet/update_log.go b/lnwallet/update_log.go new file mode 100644 index 0000000000..0256bbd602 --- /dev/null +++ b/lnwallet/update_log.go @@ -0,0 +1,196 @@ +package lnwallet + +import "container/list" + +// updateLog is an append-only log that stores updates to a node's commitment +// chain. This structure can be seen as the "mempool" within Lightning where +// changes are stored before they're committed to the chain. Once an entry has +// been committed in both the local and remote commitment chain, then it can be +// removed from this log. +// +// TODO(roasbeef): create lightning package, move commitment and update to +// package? +// - also move state machine, separate from lnwallet package +// - possible embed updateLog within commitmentChain. +type updateLog struct { + // logIndex is a monotonically increasing integer that tracks the total + // number of update entries ever applied to the log. When sending new + // commitment states, we include all updates up to this index. + logIndex uint64 + + // htlcCounter is a monotonically increasing integer that tracks the + // total number of offered HTLC's by the owner of this update log, + // hence the `Add` update type. We use a distinct index for this + // purpose, as update's that remove entries from the log will be + // indexed using this counter. + htlcCounter uint64 + + // List is the updatelog itself, we embed this value so updateLog has + // access to all the method of a list.List. + *list.List + + // updateIndex maps a `logIndex` to a particular update entry. It + // deals with the four update types: + // `Fail|MalformedFail|Settle|FeeUpdate` + updateIndex map[uint64]*list.Element + + // htlcIndex maps a `htlcCounter` to an offered HTLC entry, hence the + // `Add` update. + htlcIndex map[uint64]*list.Element + + // modifiedHtlcs is a set that keeps track of all the current modified + // htlcs, hence update types `Fail|MalformedFail|Settle`. A modified + // HTLC is one that's present in the log, and has as a pending fail or + // settle that's attempting to consume it. + modifiedHtlcs map[uint64]struct{} +} + +// newUpdateLog creates a new updateLog instance. +func newUpdateLog(logIndex, htlcCounter uint64) *updateLog { + return &updateLog{ + List: list.New(), + updateIndex: make(map[uint64]*list.Element), + htlcIndex: make(map[uint64]*list.Element), + logIndex: logIndex, + htlcCounter: htlcCounter, + modifiedHtlcs: make(map[uint64]struct{}), + } +} + +// restoreHtlc will "restore" a prior HTLC to the updateLog. We say restore as +// this method is intended to be used when re-covering a prior commitment +// state. This function differs from appendHtlc in that it won't increment +// either of log's counters. If the HTLC is already present, then it is +// ignored. +func (u *updateLog) restoreHtlc(pd *PaymentDescriptor) { + if _, ok := u.htlcIndex[pd.HtlcIndex]; ok { + return + } + + u.htlcIndex[pd.HtlcIndex] = u.PushBack(pd) +} + +// appendUpdate appends a new update to the tip of the updateLog. The entry is +// also added to index accordingly. +func (u *updateLog) appendUpdate(pd *PaymentDescriptor) { + u.updateIndex[u.logIndex] = u.PushBack(pd) + u.logIndex++ +} + +// restoreUpdate appends a new update to the tip of the updateLog. The entry is +// also added to index accordingly. This function differs from appendUpdate in +// that it won't increment the log index counter. +func (u *updateLog) restoreUpdate(pd *PaymentDescriptor) { + u.updateIndex[pd.LogIndex] = u.PushBack(pd) +} + +// appendHtlc appends a new HTLC offer to the tip of the update log. The entry +// is also added to the offer index accordingly. +func (u *updateLog) appendHtlc(pd *PaymentDescriptor) { + u.htlcIndex[u.htlcCounter] = u.PushBack(pd) + u.htlcCounter++ + + u.logIndex++ +} + +// lookupHtlc attempts to look up an offered HTLC according to its offer +// index. If the entry isn't found, then a nil pointer is returned. +func (u *updateLog) lookupHtlc(i uint64) *PaymentDescriptor { + htlc, ok := u.htlcIndex[i] + if !ok { + return nil + } + + return htlc.Value.(*PaymentDescriptor) +} + +// remove attempts to remove an entry from the update log. If the entry is +// found, then the entry will be removed from the update log and index. +func (u *updateLog) removeUpdate(i uint64) { + entry := u.updateIndex[i] + u.Remove(entry) + delete(u.updateIndex, i) +} + +// removeHtlc attempts to remove an HTLC offer form the update log. If the +// entry is found, then the entry will be removed from both the main log and +// the offer index. +func (u *updateLog) removeHtlc(i uint64) { + entry := u.htlcIndex[i] + u.Remove(entry) + delete(u.htlcIndex, i) + + delete(u.modifiedHtlcs, i) +} + +// htlcHasModification returns true if the HTLC identified by the passed index +// has a pending modification within the log. +func (u *updateLog) htlcHasModification(i uint64) bool { + _, o := u.modifiedHtlcs[i] + return o +} + +// markHtlcModified marks an HTLC as modified based on its HTLC index. After a +// call to this method, htlcHasModification will return true until the HTLC is +// removed. +func (u *updateLog) markHtlcModified(i uint64) { + u.modifiedHtlcs[i] = struct{}{} +} + +// compactLogs performs garbage collection within the log removing HTLCs which +// have been removed from the point-of-view of the tail of both chains. The +// entries which timeout/settle HTLCs are also removed. +func compactLogs(ourLog, theirLog *updateLog, + localChainTail, remoteChainTail uint64) { + + compactLog := func(logA, logB *updateLog) { + var nextA *list.Element + for e := logA.Front(); e != nil; e = nextA { + // Assign next iteration element at top of loop because + // we may remove the current element from the list, + // which can change the iterated sequence. + nextA = e.Next() + + //nolint:forcetypeassert + htlc := e.Value.(*PaymentDescriptor) + + // We skip Adds, as they will be removed along with the + // fail/settles below. + if htlc.EntryType == Add { + continue + } + + // If the HTLC hasn't yet been removed from either + // chain, the skip it. + if htlc.removeCommitHeightRemote == 0 || + htlc.removeCommitHeightLocal == 0 { + continue + } + + // Otherwise if the height of the tail of both chains + // is at least the height in which the HTLC was + // removed, then evict the settle/timeout entry along + // with the original add entry. + if remoteChainTail >= htlc.removeCommitHeightRemote && + localChainTail >= htlc.removeCommitHeightLocal { + + // Fee updates have no parent htlcs, so we only + // remove the update itself. + if htlc.EntryType == FeeUpdate { + logA.removeUpdate(htlc.LogIndex) + continue + } + + // The other types (fail/settle) do have a + // parent HTLC, so we'll remove that HTLC from + // the other log. + logA.removeUpdate(htlc.LogIndex) + logB.removeHtlc(htlc.ParentIndex) + } + + } + } + + compactLog(ourLog, theirLog) + compactLog(theirLog, ourLog) +} From 9b3b309f2db3b60bc35a4693c418e7270911cf97 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Mon, 29 Jul 2024 11:31:24 +0200 Subject: [PATCH 187/343] routing: remove unused param, log --- routing/pathfind.go | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/routing/pathfind.go b/routing/pathfind.go index 086b816929..285d842e3a 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -697,7 +697,6 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, // processEdge is a helper closure that will be used to make sure edges // satisfy our specific requirements. processEdge := func(fromVertex route.Vertex, - fromFeatures *lnwire.FeatureVector, edge *unifiedEdge, toNodeDist *nodeWithDist) { edgesExpanded++ @@ -783,6 +782,17 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, // Check if accumulated fees would exceed fee limit when this // node would be added to the path. totalFee := int64(netAmountToReceive) - int64(amt) + + log.Trace(lnutils.NewLogClosure(func() string { + return fmt.Sprintf( + "Checking fromVertex (%v) with "+ + "minInboundFee=%v, inboundFee=%v, "+ + "amountToSend=%v, amt=%v, totalFee=%v", + fromVertex, minInboundFee, inboundFee, + amountToSend, amt, totalFee, + ) + })) + if totalFee > 0 && lnwire.MilliSatoshi(totalFee) > r.FeeLimit { return } @@ -1035,7 +1045,7 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, // Check if this candidate node is better than what we // already have. - processEdge(fromNode, fromFeatures, edge, partialPath) + processEdge(fromNode, edge, partialPath) } if nodeHeap.Len() == 0 { From 557b33733cf82c6a51c439a0b7ceb228443225c2 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Fri, 26 Jul 2024 09:20:37 +0200 Subject: [PATCH 188/343] itest: add test for failing send after queryroutes --- itest/list_on_test.go | 4 ++ itest/lnd_routing_test.go | 78 +++++++++++++++++++++++++++++++++++++++ lntest/node/watcher.go | 2 +- 3 files changed, 83 insertions(+), 1 deletion(-) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 02fc3919f1..c5d63bd2dd 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -354,6 +354,10 @@ var allTestCases = []*lntest.TestCase{ Name: "route fee cutoff", TestFunc: testRouteFeeCutoff, }, + { + Name: "route fee limit after queryroutes", + TestFunc: testFeeLimitAfterQueryRoutes, + }, { Name: "rpc middleware interceptor", TestFunc: testRPCMiddlewareInterceptor, diff --git a/itest/lnd_routing_test.go b/itest/lnd_routing_test.go index 1e627c7d70..93dc23cab2 100644 --- a/itest/lnd_routing_test.go +++ b/itest/lnd_routing_test.go @@ -1331,6 +1331,84 @@ func testRouteFeeCutoff(ht *lntest.HarnessTest) { ht.CloseChannel(carol, chanPointCarolDave) } +// testFeeLimitAfterQueryRoutes tests that a payment's fee limit is consistent +// with the fee of a queried route. +func testFeeLimitAfterQueryRoutes(ht *lntest.HarnessTest) { + // Create a three hop network: Alice -> Bob -> Carol. + chanAmt := btcutil.Amount(100000) + chanPoints, nodes := createSimpleNetwork( + ht, []string{}, 3, lntest.OpenChannelParams{Amt: chanAmt}, + ) + alice, bob, carol := nodes[0], nodes[1], nodes[2] + chanPointAliceBob, chanPointBobCarol := chanPoints[0], chanPoints[1] + + // We set an inbound fee discount on Bob's channel to Alice to + // effectively set the outbound fees charged to Carol to zero. + expectedPolicy := &lnrpc.RoutingPolicy{ + FeeBaseMsat: 1000, + FeeRateMilliMsat: 1, + InboundFeeBaseMsat: -1000, + InboundFeeRateMilliMsat: -1, + TimeLockDelta: uint32( + chainreg.DefaultBitcoinTimeLockDelta, + ), + MinHtlc: 1000, + MaxHtlcMsat: lntest.CalculateMaxHtlc(chanAmt), + } + + updateFeeReq := &lnrpc.PolicyUpdateRequest{ + Scope: &lnrpc.PolicyUpdateRequest_ChanPoint{ + ChanPoint: chanPointAliceBob, + }, + BaseFeeMsat: expectedPolicy.FeeBaseMsat, + FeeRatePpm: uint32(expectedPolicy.FeeRateMilliMsat), + TimeLockDelta: expectedPolicy.TimeLockDelta, + MaxHtlcMsat: expectedPolicy.MaxHtlcMsat, + InboundFee: &lnrpc.InboundFee{ + BaseFeeMsat: expectedPolicy.InboundFeeBaseMsat, + FeeRatePpm: expectedPolicy.InboundFeeRateMilliMsat, + }, + } + bob.RPC.UpdateChannelPolicy(updateFeeReq) + + // Wait for Alice to receive the channel update from Bob. + ht.AssertChannelPolicyUpdate( + alice, bob, expectedPolicy, chanPointAliceBob, false, + ) + + // We query the only route available to Carol. + queryRoutesReq := &lnrpc.QueryRoutesRequest{ + PubKey: carol.PubKeyStr, + Amt: paymentAmt, + } + routesResp := alice.RPC.QueryRoutes(queryRoutesReq) + + // Verify that the route has zero fees. + require.Len(ht, routesResp.Routes, 1) + require.Len(ht, routesResp.Routes[0].Hops, 2) + require.Zero(ht, routesResp.Routes[0].TotalFeesMsat) + + // Attempt a payment with a fee limit of zero. + invoice := &lnrpc.Invoice{Value: paymentAmt} + invoiceResp := carol.RPC.AddInvoice(invoice) + sendReq := &routerrpc.SendPaymentRequest{ + PaymentRequest: invoiceResp.PaymentRequest, + TimeoutSeconds: 60, + FeeLimitMsat: 0, + } + + // We assert that the payment fails because the fee limit doesn't work + // correctly. This is fixed in the next commit. + ht.SendPaymentAssertFail( + alice, sendReq, + lnrpc.PaymentFailureReason_FAILURE_REASON_NO_ROUTE, + ) + + // Once we're done, close the channels. + ht.CloseChannel(alice, chanPointAliceBob) + ht.CloseChannel(bob, chanPointBobCarol) +} + // computeFee calculates the payment fee as specified in BOLT07. func computeFee(baseFee, feeRate, amt lnwire.MilliSatoshi) lnwire.MilliSatoshi { return baseFee + amt*feeRate/1000000 diff --git a/lntest/node/watcher.go b/lntest/node/watcher.go index 7656cb3c5a..f7672b825a 100644 --- a/lntest/node/watcher.go +++ b/lntest/node/watcher.go @@ -221,7 +221,7 @@ func (nw *nodeWatcher) WaitForChannelPolicyUpdate( select { // Send a watch request every second. case <-ticker.C: - // Did the event can close in the meantime? We want to + // Did the event chan close in the meantime? We want to // avoid a "close of closed channel" panic since we're // re-using the same event chan for multiple requests. select { From b0f0715813977ec4a7bc63e0e3bc2d01bf43bb27 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Fri, 26 Jul 2024 11:17:00 +0200 Subject: [PATCH 189/343] routing: fix fee limit condition When iterating edges, pathfinding checks early whether using an edge would violate the requested total fee limit for a route. This check is done on the net amount (an amount the inbound fee is calculated with). However, a possible next hop's fee discount leads to a reduction in fees and as such using the net amount leads to assuming a higher cumulative fee than the route really has, excluding the path erroneously. We perform the fee limit check on the amount to send, which includes both inbound and outbound fees. This should be possible as the first hop's outbound fee is zero and therefore doesn't have to be checked in the end. --- docs/release-notes/release-notes-0.18.3.md | 5 +++ itest/lnd_routing_test.go | 8 ++--- routing/pathfind.go | 36 +++++++++++----------- 3 files changed, 25 insertions(+), 24 deletions(-) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 4cb59b76d9..6672a6e584 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -36,6 +36,10 @@ * [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8896) that caused LND to use a default fee rate for the batch channel opening flow. +* The fee limit for payments [was made + compatible](https://github.com/lightningnetwork/lnd/pull/8941) with inbound + fees. + # New Features ## Functional Enhancements ## RPC Additions @@ -150,6 +154,7 @@ # Contributors (Alphabetical Order) * Andras Banki-Horvath +* bitromortac * Bufo * Elle Mouton * Matheus Degiovani diff --git a/itest/lnd_routing_test.go b/itest/lnd_routing_test.go index 93dc23cab2..0b1cfebe84 100644 --- a/itest/lnd_routing_test.go +++ b/itest/lnd_routing_test.go @@ -1397,12 +1397,8 @@ func testFeeLimitAfterQueryRoutes(ht *lntest.HarnessTest) { FeeLimitMsat: 0, } - // We assert that the payment fails because the fee limit doesn't work - // correctly. This is fixed in the next commit. - ht.SendPaymentAssertFail( - alice, sendReq, - lnrpc.PaymentFailureReason_FAILURE_REASON_NO_ROUTE, - ) + // We assert that a route compatible with the fee limit is available. + ht.SendPaymentAssertSettled(alice, sendReq) // Once we're done, close the channels. ht.CloseChannel(alice, chanPointAliceBob) diff --git a/routing/pathfind.go b/routing/pathfind.go index 285d842e3a..652491763d 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -723,6 +723,24 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, amountToSend := toNodeDist.netAmountReceived + lnwire.MilliSatoshi(inboundFee) + // Check if accumulated fees would exceed fee limit when this + // node would be added to the path. + totalFee := int64(amountToSend) - int64(amt) + + log.Trace(lnutils.NewLogClosure(func() string { + return fmt.Sprintf( + "Checking fromVertex (%v) with "+ + "minInboundFee=%v, inboundFee=%v, "+ + "amountToSend=%v, amt=%v, totalFee=%v", + fromVertex, minInboundFee, inboundFee, + amountToSend, amt, totalFee, + ) + })) + + if totalFee > 0 && lnwire.MilliSatoshi(totalFee) > r.FeeLimit { + return + } + // Request the success probability for this edge. edgeProbability := r.ProbabilitySource( fromVertex, toNodeDist.node, amountToSend, @@ -779,24 +797,6 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, netAmountToReceive := amountToSend + lnwire.MilliSatoshi(outboundFee) - // Check if accumulated fees would exceed fee limit when this - // node would be added to the path. - totalFee := int64(netAmountToReceive) - int64(amt) - - log.Trace(lnutils.NewLogClosure(func() string { - return fmt.Sprintf( - "Checking fromVertex (%v) with "+ - "minInboundFee=%v, inboundFee=%v, "+ - "amountToSend=%v, amt=%v, totalFee=%v", - fromVertex, minInboundFee, inboundFee, - amountToSend, amt, totalFee, - ) - })) - - if totalFee > 0 && lnwire.MilliSatoshi(totalFee) > r.FeeLimit { - return - } - // Calculate total probability of successfully reaching target // by multiplying the probabilities. Both this edge and the rest // of the route must succeed. From 0358b3a0fa0f34cecf4173eb8a0e8e969e5df9c7 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Mon, 29 Jul 2024 11:12:55 +0200 Subject: [PATCH 190/343] routing: use amount to send for time lock weight The time lock weight for a hop is supposed to be proportional to the amount that is sent/locked, but in a previous change we switched to the net amount, where inbound fees aren't yet applied. This is corrected in this commit. --- routing/pathfind.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/routing/pathfind.go b/routing/pathfind.go index 652491763d..d76c5ea22f 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -823,7 +823,7 @@ func findPath(g *graphParams, r *RestrictParams, cfg *PathFindingConfig, // weight composed of the fee that this node will charge and // the amount that will be locked for timeLockDelta blocks in // the HTLC that is handed out to fromVertex. - weight := edgeWeight(netAmountToReceive, fee, timeLockDelta) + weight := edgeWeight(amountToSend, fee, timeLockDelta) // Compute the tentative weight to this new channel/edge // which is the weight from our toNode to the target node From 16f6284d979fb4a0d47ee47fbd28c3b7aea81817 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Tue, 25 Jun 2024 15:02:41 +0200 Subject: [PATCH 191/343] routing: reorganize BuildRoute --- routing/router.go | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/routing/router.go b/routing/router.go index 5551c53451..9704039c5e 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1409,8 +1409,7 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, hops []route.Vertex, outgoingChan *uint64, finalCltvDelta int32, payAddr *[32]byte) (*route.Route, error) { - log.Tracef("BuildRoute called: hopsCount=%v, amt=%v", - len(hops), amt) + log.Tracef("BuildRoute called: hopsCount=%v, amt=%v", len(hops), amt) var outgoingChans map[uint64]struct{} if outgoingChan != nil { @@ -1419,6 +1418,17 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, } } + // We'll attempt to obtain a set of bandwidth hints that helps us select + // the best outgoing channel to use in case no outgoing channel is set. + bandwidthHints, err := newBandwidthManager( + r.cfg.RoutingGraph, r.cfg.SelfNode, r.cfg.GetLink, + ) + if err != nil { + return nil, err + } + + sourceNode := r.cfg.SelfNode + // If no amount is specified, we need to build a route for the minimum // amount that this route can carry. useMinAmt := amt == nil @@ -1436,23 +1446,6 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, runningAmt = *amt } - // We'll attempt to obtain a set of bandwidth hints that helps us select - // the best outgoing channel to use in case no outgoing channel is set. - bandwidthHints, err := newBandwidthManager( - r.cfg.RoutingGraph, r.cfg.SelfNode, r.cfg.GetLink, - ) - if err != nil { - return nil, err - } - - // Fetch the current block height outside the routing transaction, to - // prevent the rpc call blocking the database. - _, height, err := r.cfg.Chain.GetBestBlock() - if err != nil { - return nil, err - } - - sourceNode := r.cfg.SelfNode unifiers, senderAmt, err := getRouteUnifiers( sourceNode, hops, useMinAmt, runningAmt, outgoingChans, r.cfg.RoutingGraph, bandwidthHints, @@ -1468,6 +1461,13 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, return nil, err } + // Fetch the current block height outside the routing transaction, to + // prevent the rpc call blocking the database. + _, height, err := r.cfg.Chain.GetBestBlock() + if err != nil { + return nil, err + } + // Build and return the final route. return newRoute( sourceNode, pathEdges, uint32(height), From 2edbe6b87848abfabaf446be3f37cbc41f37c4df Mon Sep 17 00:00:00 2001 From: bitromortac Date: Tue, 25 Jun 2024 11:11:18 +0200 Subject: [PATCH 192/343] routing: extract getEdgeUnifiers We split up the functionality in getRouteUnifiers into checking that all edges exist via getEdgeUnifiers and then add a backward pass that will be responsible for determining the sender amount. We remove the node pub key from the error string, as in route building this is duplicate info, which can be determined from the input keys, further it's not available in the backward pass anymore. We refactor the BuildRoute test to use the require library and add a test case for a max HTLC violation on the last hop. --- routing/router.go | 84 ++++++++++++++------------- routing/router_test.go | 128 +++++++++++++++++++++++------------------ 2 files changed, 118 insertions(+), 94 deletions(-) diff --git a/routing/router.go b/routing/router.go index 9704039c5e..85a4afd55b 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1393,13 +1393,12 @@ func (r *ChannelRouter) extractChannelUpdate( // channels that satisfy all requirements. type ErrNoChannel struct { position int - fromNode route.Vertex } // Error returns a human-readable string describing the error. func (e ErrNoChannel) Error() string { return fmt.Sprintf("no matching outgoing channel available for "+ - "node %v (%v)", e.position, e.fromNode) + "node index %v", e.position) } // BuildRoute returns a fully specified route based on a list of pubkeys. If @@ -1429,6 +1428,15 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, sourceNode := r.cfg.SelfNode + // We check that each node in the route has a connection to others that + // can forward in principle. + unifiers, err := getEdgeUnifiers( + r.cfg.SelfNode, hops, outgoingChans, r.cfg.RoutingGraph, + ) + if err != nil { + return nil, err + } + // If no amount is specified, we need to build a route for the minimum // amount that this route can carry. useMinAmt := amt == nil @@ -1446,16 +1454,15 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, runningAmt = *amt } - unifiers, senderAmt, err := getRouteUnifiers( - sourceNode, hops, useMinAmt, runningAmt, outgoingChans, - r.cfg.RoutingGraph, bandwidthHints, + senderAmt, err := senderAmtBackwardPass( + unifiers, useMinAmt, runningAmt, bandwidthHints, ) if err != nil { return nil, err } pathEdges, receiverAmt, err := getPathEdges( - sourceNode, senderAmt, unifiers, bandwidthHints, hops, + senderAmt, unifiers, bandwidthHints, ) if err != nil { return nil, err @@ -1481,12 +1488,10 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, ) } -// getRouteUnifiers returns a list of edge unifiers for the given route. -func getRouteUnifiers(source route.Vertex, hops []route.Vertex, - useMinAmt bool, runningAmt lnwire.MilliSatoshi, - outgoingChans map[uint64]struct{}, graph Graph, - bandwidthHints *bandwidthManager) ([]*edgeUnifier, lnwire.MilliSatoshi, - error) { +// getEdgeUnifiers returns a list of edge unifiers for the given route. +func getEdgeUnifiers(source route.Vertex, hops []route.Vertex, + outgoingChans map[uint64]struct{}, + graph Graph) ([]*edgeUnifier, error) { // Allocate a list that will contain the edge unifiers for this route. unifiers := make([]*edgeUnifier, len(hops)) @@ -1502,8 +1507,6 @@ func getRouteUnifiers(source route.Vertex, hops []route.Vertex, fromNode = hops[i-1] } - localChan := i == 0 - // Build unified policies for this hop based on the channels // known in the graph. Don't use inbound fees. // @@ -1514,19 +1517,34 @@ func getRouteUnifiers(source route.Vertex, hops []route.Vertex, err := u.addGraphPolicies(graph) if err != nil { - return nil, 0, err + return nil, err } // Exit if there are no channels. edgeUnifier, ok := u.edgeUnifiers[fromNode] if !ok { log.Errorf("Cannot find policy for node %v", fromNode) - return nil, 0, ErrNoChannel{ - fromNode: fromNode, - position: i, - } + return nil, ErrNoChannel{position: i} } + unifiers[i] = edgeUnifier + } + + return unifiers, nil +} + +// senderAmtBackwardPass determines the amount that should be sent to fulfill +// min HTLC requirements. The minimal sender amount can be searched for by +// activating useMinAmt. +func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, + runningAmt lnwire.MilliSatoshi, + bandwidthHints *bandwidthManager) (lnwire.MilliSatoshi, error) { + + // Traverse hops backwards to accumulate fees in the running amounts. + for i := len(unifiers) - 1; i >= 0; i-- { + localChan := i == 0 + edgeUnifier := unifiers[i] + // If using min amt, increase amt if needed. if useMinAmt { min := edgeUnifier.minAmt() @@ -1538,11 +1556,10 @@ func getRouteUnifiers(source route.Vertex, hops []route.Vertex, // Get an edge for the specific amount that we want to forward. edge := edgeUnifier.getEdge(runningAmt, bandwidthHints, 0) if edge == nil { - log.Errorf("Cannot find policy with amt=%v for node %v", - runningAmt, fromNode) + log.Errorf("Cannot find policy with amt=%v for hop %v", + runningAmt, i) - return nil, 0, ErrNoChannel{ - fromNode: fromNode, + return 0, ErrNoChannel{ position: i, } } @@ -1554,19 +1571,16 @@ func getRouteUnifiers(source route.Vertex, hops []route.Vertex, log.Tracef("Select channel %v at position %v", edge.policy.ChannelID, i) - - unifiers[i] = edgeUnifier } - return unifiers, runningAmt, nil + return runningAmt, nil } // getPathEdges returns the edges that make up the path and the total amount, // including fees, to send the payment. -func getPathEdges(source route.Vertex, receiverAmt lnwire.MilliSatoshi, - unifiers []*edgeUnifier, bandwidthHints *bandwidthManager, - hops []route.Vertex) ([]*unifiedEdge, - lnwire.MilliSatoshi, error) { +func getPathEdges(receiverAmt lnwire.MilliSatoshi, unifiers []*edgeUnifier, + bandwidthHints *bandwidthManager) ([]*unifiedEdge, lnwire.MilliSatoshi, + error) { // Now that we arrived at the start of the route and found out the route // total amount, we make a forward pass. Because the amount may have @@ -1576,15 +1590,7 @@ func getPathEdges(source route.Vertex, receiverAmt lnwire.MilliSatoshi, for i, unifier := range unifiers { edge := unifier.getEdge(receiverAmt, bandwidthHints, 0) if edge == nil { - fromNode := source - if i > 0 { - fromNode = hops[i-1] - } - - return nil, 0, ErrNoChannel{ - fromNode: fromNode, - position: i, - } + return nil, 0, ErrNoChannel{position: i} } if i > 0 { diff --git a/routing/router_test.go b/routing/router_test.go index f631669a9d..6b80bd86e3 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -1536,10 +1536,10 @@ func TestBuildRoute(t *testing.T) { }, 6), // Create two channels from b to c. For building routes, we - // expect the lowest cost channel to be selected. Note that this - // isn't a situation that we are expecting in reality. Routing - // nodes are recommended to keep their channel policies towards - // the same peer identical. + // expect the highest cost channel to be selected. Note that + // this isn't a situation that we are expecting in reality. + // Routing nodes are recommended to keep their channel policies + // towards the same peer identical. symmetricTestChannel("b", "c", chanCapSat, &testChannelPolicy{ Expiry: 144, FeeRate: 50000, @@ -1555,6 +1555,8 @@ func TestBuildRoute(t *testing.T) { Features: paymentAddrFeatures, }, 7), + // Create some channels that have conflicting min/max + // constraints. symmetricTestChannel("a", "e", chanCapSat, &testChannelPolicy{ Expiry: 144, FeeRate: 80000, @@ -1569,9 +1571,28 @@ func TestBuildRoute(t *testing.T) { MaxHTLC: lnwire.NewMSatFromSatoshis(chanCapSat), Features: paymentAddrFeatures, }, 4), + + // Create some channels that have a conflicting max HTLC + // constraint for one node pair, similar to the b->c channels. + symmetricTestChannel("b", "z", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 50000, + MinHTLC: lnwire.NewMSatFromSatoshis(20), + MaxHTLC: lnwire.NewMSatFromSatoshis(25), + Features: paymentAddrFeatures, + }, 3), + symmetricTestChannel("b", "z", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 60000, + MinHTLC: lnwire.NewMSatFromSatoshis(20), + MaxHTLC: lnwire.MilliSatoshi(20100), + Features: paymentAddrFeatures, + }, 8), } - testGraph, err := createTestGraphFromChannels(t, true, testChannels, "a") + testGraph, err := createTestGraphFromChannels( + t, true, testChannels, "a", + ) require.NoError(t, err, "unable to create graph") const startingBlockHeight = 101 @@ -1583,15 +1604,10 @@ func TestBuildRoute(t *testing.T) { t.Helper() - if len(rt.Hops) != len(expected) { - t.Fatal("hop count mismatch") - } + require.Len(t, rt.Hops, len(expected)) + for i, hop := range rt.Hops { - if hop.ChannelID != expected[i] { - t.Fatalf("expected channel %v at pos %v, but "+ - "got channel %v", - expected[i], i, hop.ChannelID) - } + require.Equal(t, expected[i], hop.ChannelID) } lastHop := rt.Hops[len(rt.Hops)-1] @@ -1603,64 +1619,67 @@ func TestBuildRoute(t *testing.T) { _, err = rand.Read(payAddr[:]) require.NoError(t, err) + // Create hop list for an unknown destination. + hops := []route.Vertex{ctx.aliases["b"], ctx.aliases["y"]} + _, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + noChanErr := ErrNoChannel{} + require.ErrorAs(t, err, &noChanErr) + require.Equal(t, 1, noChanErr.position) + // Create hop list from the route node pubkeys. - hops := []route.Vertex{ - ctx.aliases["b"], ctx.aliases["c"], - } + hops = []route.Vertex{ctx.aliases["b"], ctx.aliases["c"]} amt := lnwire.NewMSatFromSatoshis(100) // Build the route for the given amount. - rt, err := ctx.router.BuildRoute( - &amt, hops, nil, 40, &payAddr, - ) - if err != nil { - t.Fatal(err) - } + rt, err := ctx.router.BuildRoute(&amt, hops, nil, 40, &payAddr) + require.NoError(t, err) // Check that we get the expected route back. The total amount should be // the amount to deliver to hop c (100 sats) plus the max fee for the // connection b->c (6 sats). checkHops(rt, []uint64{1, 7}, payAddr) - if rt.TotalAmount != 106000 { - t.Fatalf("unexpected total amount %v", rt.TotalAmount) - } + require.Equal(t, lnwire.MilliSatoshi(106000), rt.TotalAmount) // Build the route for the minimum amount. - rt, err = ctx.router.BuildRoute( - nil, hops, nil, 40, &payAddr, - ) - if err != nil { - t.Fatal(err) - } + rt, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + require.NoError(t, err) // Check that we get the expected route back. The minimum that we can // send from b to c is 20 sats. Hop b charges 1200 msat for the // forwarding. The channel between hop a and b can carry amounts in the // range [5, 100], so 21200 msats is the minimum amount for this route. checkHops(rt, []uint64{1, 7}, payAddr) - if rt.TotalAmount != 21200 { - t.Fatalf("unexpected total amount %v", rt.TotalAmount) - } + require.Equal(t, lnwire.MilliSatoshi(21200), rt.TotalAmount) + + // The receiver gets sent the minimal HTLC amount. + require.Equal(t, lnwire.MilliSatoshi(20000), rt.Hops[1].AmtToForward) // Test a route that contains incompatible channel htlc constraints. // There is no amount that can pass through both channel 5 and 4. - hops = []route.Vertex{ - ctx.aliases["e"], ctx.aliases["c"], - } - _, err = ctx.router.BuildRoute( - nil, hops, nil, 40, nil, - ) - errNoChannel, ok := err.(ErrNoChannel) - if !ok { - t.Fatalf("expected incompatible policies error, but got %v", - err) - } - if errNoChannel.position != 0 { - t.Fatalf("unexpected no channel error position") - } - if errNoChannel.fromNode != ctx.aliases["a"] { - t.Fatalf("unexpected no channel error node") - } + hops = []route.Vertex{ctx.aliases["e"], ctx.aliases["c"]} + _, err = ctx.router.BuildRoute(nil, hops, nil, 40, nil) + require.Error(t, err) + noChanErr = ErrNoChannel{} + require.ErrorAs(t, err, &noChanErr) + require.Equal(t, 0, noChanErr.position) + + // Test a route that contains channel constraints that lead to a + // different selection of a unified edge, when the amount is rescaled + // for the final edge. From a backward pass we expect the policy of + // channel 8 to be used, because its policy has the highest fee rate, + // bumping the amount to 20000 msat leading to a sender amount of 21200 + // msat including the fees for hop over channel 8. In the forward pass + // however, we discover that the max HTLC constraint of channel 8 is + // violated after subtracting the fee, which is why we change the policy + // to the one of channel 3. This leads to a delivered amount of 20191 + // msat, in contrast to the naive 20000 msat from the min HTLC + // constraint of both channels. + hops = []route.Vertex{ctx.aliases["b"], ctx.aliases["z"]} + rt, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + require.NoError(t, err) + checkHops(rt, []uint64{1, 3}, payAddr) + require.Equal(t, lnwire.MilliSatoshi(21200), rt.TotalAmount) + require.Equal(t, lnwire.MilliSatoshi(20191), rt.Hops[1].AmtToForward) } // TestGetPathEdges tests that the getPathEdges function returns the expected @@ -1689,14 +1708,13 @@ func TestGetPathEdges(t *testing.T) { localChan: true, }, }, - expectedErr: fmt.Sprintf("no matching outgoing channel "+ - "available for node 0 (%v)", ctx.aliases["roasbeef"]), + expectedErr: fmt.Sprintf("no matching outgoing channel " + + "available for node index 0"), }} for _, tc := range testCases { pathEdges, amt, err := getPathEdges( - tc.sourceNode, tc.amt, tc.unifiers, tc.bandwidthHints, - tc.hops, + tc.amt, tc.unifiers, tc.bandwidthHints, ) if tc.expectedErr != "" { From 3e7866d85ce82e09b04f63e256acb34543f9b001 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Jul 2024 10:17:47 -0700 Subject: [PATCH 193/343] lnwallet: fix linter errors introduced by updateLog move --- lnwallet/update_log.go | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lnwallet/update_log.go b/lnwallet/update_log.go index 0256bbd602..5cb39ef1ef 100644 --- a/lnwallet/update_log.go +++ b/lnwallet/update_log.go @@ -101,6 +101,7 @@ func (u *updateLog) lookupHtlc(i uint64) *PaymentDescriptor { return nil } + //nolint:forcetypeassert return htlc.Value.(*PaymentDescriptor) } @@ -164,6 +165,7 @@ func compactLogs(ourLog, theirLog *updateLog, // chain, the skip it. if htlc.removeCommitHeightRemote == 0 || htlc.removeCommitHeightLocal == 0 { + continue } @@ -187,7 +189,6 @@ func compactLogs(ourLog, theirLog *updateLog, logA.removeUpdate(htlc.LogIndex) logB.removeHtlc(htlc.ParentIndex) } - } } From 4cf7555922069d3cb7743476c857b97324332a9a Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Thu, 6 Jun 2024 14:12:07 -0700 Subject: [PATCH 194/343] lnwallet: move commitChain to its own file. --- lnwallet/channel.go | 56 ---------------------------------- lnwallet/commitment_chain.go | 58 ++++++++++++++++++++++++++++++++++++ 2 files changed, 58 insertions(+), 56 deletions(-) create mode 100644 lnwallet/commitment_chain.go diff --git a/lnwallet/channel.go b/lnwallet/channel.go index d03c5df1ae..96face44a2 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -2,7 +2,6 @@ package lnwallet import ( "bytes" - "container/list" "crypto/sha256" "errors" "fmt" @@ -768,61 +767,6 @@ func (lc *LightningChannel) diskCommitToMemCommit(isLocal bool, return commit, nil } -// commitmentChain represents a chain of unrevoked commitments. The tail of the -// chain is the latest fully signed, yet unrevoked commitment. Two chains are -// tracked, one for the local node, and another for the remote node. New -// commitments we create locally extend the remote node's chain, and vice -// versa. Commitment chains are allowed to grow to a bounded length, after -// which the tail needs to be "dropped" before new commitments can be received. -// The tail is "dropped" when the owner of the chain sends a revocation for the -// previous tail. -type commitmentChain struct { - // commitments is a linked list of commitments to new states. New - // commitments are added to the end of the chain with increase height. - // Once a commitment transaction is revoked, the tail is incremented, - // freeing up the revocation window for new commitments. - commitments *list.List -} - -// newCommitmentChain creates a new commitment chain. -func newCommitmentChain() *commitmentChain { - return &commitmentChain{ - commitments: list.New(), - } -} - -// addCommitment extends the commitment chain by a single commitment. This -// added commitment represents a state update proposed by either party. Once -// the commitment prior to this commitment is revoked, the commitment becomes -// the new defacto state within the channel. -func (s *commitmentChain) addCommitment(c *commitment) { - s.commitments.PushBack(c) -} - -// advanceTail reduces the length of the commitment chain by one. The tail of -// the chain should be advanced once a revocation for the lowest unrevoked -// commitment in the chain is received. -func (s *commitmentChain) advanceTail() { - s.commitments.Remove(s.commitments.Front()) -} - -// tip returns the latest commitment added to the chain. -func (s *commitmentChain) tip() *commitment { - return s.commitments.Back().Value.(*commitment) -} - -// tail returns the lowest unrevoked commitment transaction in the chain. -func (s *commitmentChain) tail() *commitment { - return s.commitments.Front().Value.(*commitment) -} - -// hasUnackedCommitment returns true if the commitment chain has more than one -// entry. The tail of the commitment chain has been ACKed by revoking all prior -// commitments, but any subsequent commitments have not yet been ACKed. -func (s *commitmentChain) hasUnackedCommitment() bool { - return s.commitments.Front() != s.commitments.Back() -} - // LightningChannel implements the state machine which corresponds to the // current commitment protocol wire spec. The state machine implemented allows // for asynchronous fully desynchronized, batched+pipelined updates to diff --git a/lnwallet/commitment_chain.go b/lnwallet/commitment_chain.go new file mode 100644 index 0000000000..23887815b1 --- /dev/null +++ b/lnwallet/commitment_chain.go @@ -0,0 +1,58 @@ +package lnwallet + +import "container/list" + +// commitmentChain represents a chain of unrevoked commitments. The tail of the +// chain is the latest fully signed, yet unrevoked commitment. Two chains are +// tracked, one for the local node, and another for the remote node. New +// commitments we create locally extend the remote node's chain, and vice +// versa. Commitment chains are allowed to grow to a bounded length, after +// which the tail needs to be "dropped" before new commitments can be received. +// The tail is "dropped" when the owner of the chain sends a revocation for the +// previous tail. +type commitmentChain struct { + // commitments is a linked list of commitments to new states. New + // commitments are added to the end of the chain with increase height. + // Once a commitment transaction is revoked, the tail is incremented, + // freeing up the revocation window for new commitments. + commitments *list.List +} + +// newCommitmentChain creates a new commitment chain. +func newCommitmentChain() *commitmentChain { + return &commitmentChain{ + commitments: list.New(), + } +} + +// addCommitment extends the commitment chain by a single commitment. This +// added commitment represents a state update proposed by either party. Once +// the commitment prior to this commitment is revoked, the commitment becomes +// the new defacto state within the channel. +func (s *commitmentChain) addCommitment(c *commitment) { + s.commitments.PushBack(c) +} + +// advanceTail reduces the length of the commitment chain by one. The tail of +// the chain should be advanced once a revocation for the lowest unrevoked +// commitment in the chain is received. +func (s *commitmentChain) advanceTail() { + s.commitments.Remove(s.commitments.Front()) +} + +// tip returns the latest commitment added to the chain. +func (s *commitmentChain) tip() *commitment { + return s.commitments.Back().Value.(*commitment) +} + +// tail returns the lowest unrevoked commitment transaction in the chain. +func (s *commitmentChain) tail() *commitment { + return s.commitments.Front().Value.(*commitment) +} + +// hasUnackedCommitment returns true if the commitment chain has more than one +// entry. The tail of the commitment chain has been ACKed by revoking all prior +// commitments, but any subsequent commitments have not yet been ACKed. +func (s *commitmentChain) hasUnackedCommitment() bool { + return s.commitments.Front() != s.commitments.Back() +} From 82ff360ad2e893533b782a0a233a98b94792d490 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Jul 2024 10:22:23 -0700 Subject: [PATCH 195/343] lnwallet: fix linter errors resulting from commitmentChain move. --- lnwallet/commitment_chain.go | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lnwallet/commitment_chain.go b/lnwallet/commitment_chain.go index 23887815b1..7894e9e3f4 100644 --- a/lnwallet/commitment_chain.go +++ b/lnwallet/commitment_chain.go @@ -42,11 +42,13 @@ func (s *commitmentChain) advanceTail() { // tip returns the latest commitment added to the chain. func (s *commitmentChain) tip() *commitment { + //nolint:forcetypeassert return s.commitments.Back().Value.(*commitment) } // tail returns the lowest unrevoked commitment transaction in the chain. func (s *commitmentChain) tail() *commitment { + //nolint:forcetypeassert return s.commitments.Front().Value.(*commitment) } From e41375966988526b6b9da7ae186567111e56a598 Mon Sep 17 00:00:00 2001 From: ziggie Date: Tue, 30 Jul 2024 15:13:02 +0200 Subject: [PATCH 196/343] contractcourt: Always register anchors with sweeper. Even if no HTLCs are at stake we are going to register the anchor outputs with the sweeper subsystem with a default high deadline. We need to do this, because otherwise we are not able to bump the fee of the closing transaction manually. --- contractcourt/channel_arbitrator.go | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/contractcourt/channel_arbitrator.go b/contractcourt/channel_arbitrator.go index d544e989c9..8add61ce6c 100644 --- a/contractcourt/channel_arbitrator.go +++ b/contractcourt/channel_arbitrator.go @@ -40,6 +40,12 @@ const ( // arbitratorBlockBufferSize is the size of the buffer we give to each // channel arbitrator. arbitratorBlockBufferSize = 20 + + // AnchorOutputValue is the output value for the anchor output of an + // anchor channel. + // See BOLT 03 for more details: + // https://github.com/lightning/bolts/blob/master/03-transactions.md + AnchorOutputValue = btcutil.Amount(330) ) // WitnessSubscription represents an intent to be notified once new witnesses @@ -1313,13 +1319,14 @@ func (c *ChannelArbitrator) sweepAnchors(anchors *lnwallet.AnchorResolutions, } // If we cannot find a deadline, it means there's no HTLCs at - // stake, which means we can relax our anchor sweeping as we - // don't have any time sensitive outputs to sweep. + // stake, which means we can relax our anchor sweeping + // conditions as we don't have any time sensitive outputs to + // sweep. However we need to register the anchor output with the + // sweeper so we are later able to bump the close fee. if deadline.IsNone() { log.Infof("ChannelArbitrator(%v): no HTLCs at stake, "+ - "skipped anchor CPFP", c.cfg.ChanPoint) - - return nil + "sweeping anchor with default deadline", + c.cfg.ChanPoint) } witnessType := input.CommitmentAnchor @@ -1357,10 +1364,13 @@ func (c *ChannelArbitrator) sweepAnchors(anchors *lnwallet.AnchorResolutions, // Calculate the budget based on the value under protection, // which is the sum of all HTLCs on this commitment subtracted // by their budgets. + // The anchor output in itself has a small output value of 330 + // sats so we also include it in the budget to pay for the + // cpfp transaction. budget := calculateBudget( value, c.cfg.Budget.AnchorCPFPRatio, c.cfg.Budget.AnchorCPFP, - ) + ) + AnchorOutputValue log.Infof("ChannelArbitrator(%v): offering anchor from %s "+ "commitment %v to sweeper with deadline=%v, budget=%v", From cac5b32d883697f218787972afe1a1508e1fc818 Mon Sep 17 00:00:00 2001 From: ziggie Date: Mon, 29 Jul 2024 16:53:41 +0200 Subject: [PATCH 197/343] itest: adapt itest for the new anchor behavior. Now we also register anchors when no HTLCs are at stake. --- itest/lnd_sweep_test.go | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/itest/lnd_sweep_test.go b/itest/lnd_sweep_test.go index b95bc0513d..5c4e63f3ea 100644 --- a/itest/lnd_sweep_test.go +++ b/itest/lnd_sweep_test.go @@ -73,9 +73,11 @@ func testSweepCPFPAnchorOutgoingTimeout(ht *lntest.HarnessTest) { htlcBudget := htlcValue.MulF64(contractcourt.DefaultBudgetRatio) // cpfpBudget is the budget used to sweep the CPFP anchor. + // In addition to the htlc amount to protect we also need to include + // the anchor amount itself for the budget. cpfpBudget := (htlcValue - htlcBudget).MulF64( contractcourt.DefaultBudgetRatio, - ) + ) + contractcourt.AnchorOutputValue // Create a preimage, that will be held by Carol. var preimage lntypes.Preimage @@ -488,9 +490,11 @@ func testSweepCPFPAnchorIncomingTimeout(ht *lntest.HarnessTest) { htlcBudget := htlcValue.MulF64(contractcourt.DefaultBudgetRatio) // cpfpBudget is the budget used to sweep the CPFP anchor. + // In addition to the htlc amount to protect we also need to include + // the anchor amount itself for the budget. cpfpBudget := (htlcValue - htlcBudget).MulF64( contractcourt.DefaultBudgetRatio, - ) + ) + contractcourt.AnchorOutputValue // Carol should have one incoming HTLC on channel Bob -> Carol. ht.AssertIncomingHTLCActive(carol, bcChanPoint, payHash[:]) @@ -1342,9 +1346,13 @@ func testSweepCommitOutputAndAnchor(ht *lntest.HarnessTest) { // PendingChannels RPC under the waiting close section. ht.AssertChannelWaitingClose(alice, chanPoint) - // We should see neither Alice or Bob has any pending sweeps as there - // are no time-sensitive HTLCs. - ht.AssertNumPendingSweeps(alice, 0) + // Alice should see 2 anchor sweeps for the local and remote commitment. + // Even without HTLCs at stake the anchors are registered with the + // sweeper subsytem. + ht.AssertNumPendingSweeps(alice, 2) + + // Bob did not force close the channel therefore he should have no + // pending sweeps. ht.AssertNumPendingSweeps(bob, 0) // Mine a block to confirm Alice's force closing tx. Once it's From da7b95d4a4960062462cb82eaebabd226de5e3ba Mon Sep 17 00:00:00 2001 From: ziggie Date: Mon, 29 Jul 2024 11:21:42 +0200 Subject: [PATCH 198/343] docs: add release-notes. --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 6672a6e584..5184e9671c 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -39,6 +39,10 @@ * The fee limit for payments [was made compatible](https://github.com/lightningnetwork/lnd/pull/8941) with inbound fees. + +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8946) a case where +bumping an anchor channel closing was not possible when no HTLCs were on the +commitment when the channel was force closed. # New Features ## Functional Enhancements From 3d5f20b70ff824363e188698d1add667d7e3be3d Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 15 May 2024 14:38:53 +0200 Subject: [PATCH 199/343] multi: introduce BlindedPaymentPathSet This commit introduces a new type, `BlindedPaymentPathSet`. For now, it holds only a single `BlindedPayment` but eventually it will hold and manage a set of blinded payments provided for a specific payment. To make the PR easier to follow though, we start off just letting it hold a single one and do some basic replacements. --- lnrpc/routerrpc/router_backend.go | 102 ++++++++++++---------- routing/blinding.go | 136 ++++++++++++++++++++++++++++++ rpcserver.go | 28 +++--- 3 files changed, 207 insertions(+), 59 deletions(-) diff --git a/lnrpc/routerrpc/router_backend.go b/lnrpc/routerrpc/router_backend.go index 970fb04cf6..487da5356a 100644 --- a/lnrpc/routerrpc/router_backend.go +++ b/lnrpc/routerrpc/router_backend.go @@ -280,7 +280,7 @@ func (r *RouterBackend) parseQueryRoutesRequest(in *lnrpc.QueryRoutesRequest) ( var ( targetPubKey *route.Vertex routeHintEdges map[route.Vertex][]routing.AdditionalEdge - blindedPmt *routing.BlindedPayment + blindedPathSet *routing.BlindedPaymentPathSet // finalCLTVDelta varies depending on whether we're sending to // a blinded route or an unblinded node. For blinded paths, @@ -297,13 +297,14 @@ func (r *RouterBackend) parseQueryRoutesRequest(in *lnrpc.QueryRoutesRequest) ( // Validate that the fields provided in the request are sane depending // on whether it is using a blinded path or not. if len(in.BlindedPaymentPaths) > 0 { - blindedPmt, err = parseBlindedPayment(in) + blindedPathSet, err = parseBlindedPaymentPaths(in) if err != nil { return nil, err } - if blindedPmt.Features != nil { - destinationFeatures = blindedPmt.Features.Clone() + pathFeatures := blindedPathSet.Features() + if pathFeatures != nil { + destinationFeatures = pathFeatures.Clone() } } else { // If we do not have a blinded path, a target pubkey must be @@ -390,7 +391,7 @@ func (r *RouterBackend) parseQueryRoutesRequest(in *lnrpc.QueryRoutesRequest) ( DestCustomRecords: record.CustomSet(in.DestCustomRecords), CltvLimit: cltvLimit, DestFeatures: destinationFeatures, - BlindedPayment: blindedPmt, + BlindedPayment: blindedPathSet.GetPath(), } // Pass along an outgoing channel restriction if specified. @@ -419,39 +420,24 @@ func (r *RouterBackend) parseQueryRoutesRequest(in *lnrpc.QueryRoutesRequest) ( return routing.NewRouteRequest( sourcePubKey, targetPubKey, amt, in.TimePref, restrictions, - customRecords, routeHintEdges, blindedPmt, finalCLTVDelta, + customRecords, routeHintEdges, blindedPathSet.GetPath(), + finalCLTVDelta, ) } -func parseBlindedPayment(in *lnrpc.QueryRoutesRequest) ( - *routing.BlindedPayment, error) { +func parseBlindedPaymentPaths(in *lnrpc.QueryRoutesRequest) ( + *routing.BlindedPaymentPathSet, error) { if len(in.PubKey) != 0 { return nil, fmt.Errorf("target pubkey: %x should not be set "+ "when blinded path is provided", in.PubKey) } - if len(in.BlindedPaymentPaths) != 1 { - return nil, errors.New("query routes only supports a single " + - "blinded path") - } - - blindedPath := in.BlindedPaymentPaths[0] - if len(in.RouteHints) > 0 { return nil, errors.New("route hints and blinded path can't " + "both be set") } - blindedPmt, err := unmarshalBlindedPayment(blindedPath) - if err != nil { - return nil, fmt.Errorf("parse blinded payment: %w", err) - } - - if err := blindedPmt.Validate(); err != nil { - return nil, fmt.Errorf("invalid blinded path: %w", err) - } - if in.FinalCltvDelta != 0 { return nil, errors.New("final cltv delta should be " + "zero for blinded paths") @@ -466,7 +452,21 @@ func parseBlindedPayment(in *lnrpc.QueryRoutesRequest) ( "be populated in blinded path") } - return blindedPmt, nil + paths := make([]*routing.BlindedPayment, len(in.BlindedPaymentPaths)) + for i, paymentPath := range in.BlindedPaymentPaths { + blindedPmt, err := unmarshalBlindedPayment(paymentPath) + if err != nil { + return nil, fmt.Errorf("parse blinded payment: %w", err) + } + + if err := blindedPmt.Validate(); err != nil { + return nil, fmt.Errorf("invalid blinded path: %w", err) + } + + paths[i] = blindedPmt + } + + return routing.NewBlindedPaymentPathSet(paths) } func unmarshalBlindedPayment(rpcPayment *lnrpc.BlindedPaymentPath) ( @@ -1001,28 +1001,24 @@ func (r *RouterBackend) extractIntentFromSendRequest( payIntent.Metadata = payReq.Metadata if len(payReq.BlindedPaymentPaths) > 0 { - // NOTE: Currently we only choose a single payment path. - // This will be updated in a future PR to handle - // multiple blinded payment paths. - path := payReq.BlindedPaymentPaths[0] - if len(path.Hops) == 0 { - return nil, fmt.Errorf("a blinded payment " + - "must have at least 1 hop") + pathSet, err := BuildBlindedPathSet( + payReq.BlindedPaymentPaths, + ) + if err != nil { + return nil, err } + payIntent.BlindedPayment = pathSet.GetPath() - finalHop := path.Hops[len(path.Hops)-1] - - payIntent.BlindedPayment = MarshalBlindedPayment(path) - - // Replace the target node with the blinded public key - // of the blinded path's final node. + // Replace the target node with the target public key + // of the blinded path set. copy( payIntent.Target[:], - finalHop.BlindedNodePub.SerializeCompressed(), + pathSet.TargetPubKey().SerializeCompressed(), ) - if !path.Features.IsEmpty() { - payIntent.DestFeatures = path.Features.Clone() + pathFeatures := pathSet.Features() + if !pathFeatures.IsEmpty() { + payIntent.DestFeatures = pathFeatures.Clone() } } } else { @@ -1163,9 +1159,29 @@ func (r *RouterBackend) extractIntentFromSendRequest( return payIntent, nil } -// MarshalBlindedPayment marshals a zpay32.BLindedPaymentPath into a +// BuildBlindedPathSet marshals a set of zpay32.BlindedPaymentPath and uses +// the result to build a new routing.BlindedPaymentPathSet. +func BuildBlindedPathSet(paths []*zpay32.BlindedPaymentPath) ( + *routing.BlindedPaymentPathSet, error) { + + marshalledPaths := make([]*routing.BlindedPayment, len(paths)) + for i, path := range paths { + paymentPath := marshalBlindedPayment(path) + + err := paymentPath.Validate() + if err != nil { + return nil, err + } + + marshalledPaths[i] = paymentPath + } + + return routing.NewBlindedPaymentPathSet(marshalledPaths) +} + +// marshalBlindedPayment marshals a zpay32.BLindedPaymentPath into a // routing.BlindedPayment. -func MarshalBlindedPayment( +func marshalBlindedPayment( path *zpay32.BlindedPaymentPath) *routing.BlindedPayment { return &routing.BlindedPayment{ diff --git a/routing/blinding.go b/routing/blinding.go index 788fb7b77e..c491f4d85a 100644 --- a/routing/blinding.go +++ b/routing/blinding.go @@ -4,6 +4,7 @@ import ( "errors" "fmt" + "github.com/btcsuite/btcd/btcec/v2" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/lnwire" @@ -25,6 +26,141 @@ var ( ErrHTLCRestrictions = errors.New("invalid htlc minimum and maximum") ) +// BlindedPaymentPathSet groups the data we need to handle sending to a set of +// blinded paths provided by the recipient of a payment. +// +// NOTE: for now this only holds a single BlindedPayment. By the end of the PR +// series, it will handle multiple paths. +type BlindedPaymentPathSet struct { + // paths is the set of blinded payment paths for a single payment. + // NOTE: For now this will always only have a single entry. By the end + // of this PR, it can hold multiple. + paths []*BlindedPayment + + // targetPubKey is the ephemeral node pub key that we will inject into + // each path as the last hop. This is only for the sake of path finding. + // Once the path has been found, the original destination pub key is + // used again. In the edge case where there is only a single hop in the + // path (the introduction node is the destination node), then this will + // just be the introduction node's real public key. + targetPubKey *btcec.PublicKey + + // features is the set of relay features available for the payment. + // This is extracted from the set of blinded payment paths. At the + // moment we require that all paths for the same payment have the + // same feature set. + features *lnwire.FeatureVector +} + +// NewBlindedPaymentPathSet constructs a new BlindedPaymentPathSet from a set of +// BlindedPayments. +func NewBlindedPaymentPathSet(paths []*BlindedPayment) (*BlindedPaymentPathSet, + error) { + + if len(paths) == 0 { + return nil, ErrNoBlindedPath + } + + // For now, we assert that all the paths have the same set of features. + features := paths[0].Features + noFeatures := features == nil || features.IsEmpty() + for i := 1; i < len(paths); i++ { + noFeats := paths[i].Features == nil || + paths[i].Features.IsEmpty() + + if noFeatures && !noFeats { + return nil, fmt.Errorf("all blinded paths must have " + + "the same set of features") + } + + if noFeatures { + continue + } + + if !features.RawFeatureVector.Equals( + paths[i].Features.RawFeatureVector, + ) { + + return nil, fmt.Errorf("all blinded paths must have " + + "the same set of features") + } + } + + // NOTE: for now, we just take a single path. By the end of this PR + // series, all paths will be kept. + path := paths[0] + + finalHop := path.BlindedPath. + BlindedHops[len(path.BlindedPath.BlindedHops)-1] + + return &BlindedPaymentPathSet{ + paths: paths, + targetPubKey: finalHop.BlindedNodePub, + features: features, + }, nil +} + +// TargetPubKey returns the public key to be used as the destination node's +// public key during pathfinding. +func (s *BlindedPaymentPathSet) TargetPubKey() *btcec.PublicKey { + return s.targetPubKey +} + +// Features returns the set of relay features available for the payment. +func (s *BlindedPaymentPathSet) Features() *lnwire.FeatureVector { + return s.features +} + +// GetPath is a temporary getter for the single path that the set holds. +// This will be removed later on in this PR. +func (s *BlindedPaymentPathSet) GetPath() *BlindedPayment { + return s.paths[0] +} + +// LargestLastHopPayloadPath returns the BlindedPayment in the set that has the +// largest last-hop payload. This is to be used for onion size estimation in +// path finding. +func (s *BlindedPaymentPathSet) LargestLastHopPayloadPath() *BlindedPayment { + var ( + largestPath *BlindedPayment + currentMax int + ) + for _, path := range s.paths { + numHops := len(path.BlindedPath.BlindedHops) + lastHop := path.BlindedPath.BlindedHops[numHops-1] + + if len(lastHop.CipherText) > currentMax { + largestPath = path + } + } + + return largestPath +} + +// ToRouteHints converts the blinded path payment set into a RouteHints map so +// that the blinded payment paths can be treated like route hints throughout the +// code base. +func (s *BlindedPaymentPathSet) ToRouteHints() (RouteHints, error) { + hints := make(RouteHints) + + for _, path := range s.paths { + pathHints, err := path.toRouteHints() + if err != nil { + return nil, err + } + + for from, edges := range pathHints { + hints[from] = append(hints[from], edges...) + } + } + + if len(hints) == 0 { + return nil, nil + } + + return hints, nil +} + // BlindedPayment provides the path and payment parameters required to send a // payment along a blinded path. type BlindedPayment struct { diff --git a/rpcserver.go b/rpcserver.go index 9ab014b3da..ff7aa613a9 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5242,28 +5242,24 @@ func (r *rpcServer) extractPaymentIntent(rpcPayReq *rpcPaymentRequest) (rpcPayme payIntent.metadata = payReq.Metadata if len(payReq.BlindedPaymentPaths) > 0 { - // NOTE: Currently we only choose a single payment path. - // This will be updated in a future PR to handle - // multiple blinded payment paths. - path := payReq.BlindedPaymentPaths[0] - if len(path.Hops) == 0 { - return payIntent, fmt.Errorf("a blinded " + - "payment must have at least 1 hop") + pathSet, err := routerrpc.BuildBlindedPathSet( + payReq.BlindedPaymentPaths, + ) + if err != nil { + return payIntent, err } + payIntent.blindedPayment = pathSet.GetPath() - finalHop := path.Hops[len(path.Hops)-1] - payIntent.blindedPayment = - routerrpc.MarshalBlindedPayment(path) - - // Replace the target node with the blinded public key - // of the blinded path's final node. + // Replace the destination node with the target public + // key of the blinded path set. copy( payIntent.dest[:], - finalHop.BlindedNodePub.SerializeCompressed(), + pathSet.TargetPubKey().SerializeCompressed(), ) - if !payReq.BlindedPaymentPaths[0].Features.IsEmpty() { - payIntent.destFeatures = path.Features.Clone() + pathFeatures := pathSet.Features() + if !pathFeatures.IsEmpty() { + payIntent.destFeatures = pathFeatures.Clone() } } From 4a22ec841368acf2187a9e3e47caac817c4ca44c Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 15 May 2024 15:08:19 +0200 Subject: [PATCH 200/343] routing: pass BlindedPaymentPathSet around everywhere Building on from the previous commit, here we pass the PathSet around everywhere where we previously passed around the single BlindedPayment. --- lnrpc/routerrpc/router_backend.go | 12 +++--- routing/pathfind.go | 23 +++++++---- routing/pathfind_test.go | 63 ++++++++++++++++++------------- routing/payment_session.go | 14 ++----- routing/router.go | 51 +++++++++---------------- routing/router_test.go | 17 ++++++--- rpcserver.go | 6 +-- 7 files changed, 94 insertions(+), 92 deletions(-) diff --git a/lnrpc/routerrpc/router_backend.go b/lnrpc/routerrpc/router_backend.go index 487da5356a..faf53c4b63 100644 --- a/lnrpc/routerrpc/router_backend.go +++ b/lnrpc/routerrpc/router_backend.go @@ -388,10 +388,10 @@ func (r *RouterBackend) parseQueryRoutesRequest(in *lnrpc.QueryRoutesRequest) ( fromNode, toNode, amt, capacity, ) }, - DestCustomRecords: record.CustomSet(in.DestCustomRecords), - CltvLimit: cltvLimit, - DestFeatures: destinationFeatures, - BlindedPayment: blindedPathSet.GetPath(), + DestCustomRecords: record.CustomSet(in.DestCustomRecords), + CltvLimit: cltvLimit, + DestFeatures: destinationFeatures, + BlindedPaymentPathSet: blindedPathSet, } // Pass along an outgoing channel restriction if specified. @@ -420,7 +420,7 @@ func (r *RouterBackend) parseQueryRoutesRequest(in *lnrpc.QueryRoutesRequest) ( return routing.NewRouteRequest( sourcePubKey, targetPubKey, amt, in.TimePref, restrictions, - customRecords, routeHintEdges, blindedPathSet.GetPath(), + customRecords, routeHintEdges, blindedPathSet, finalCLTVDelta, ) } @@ -1007,7 +1007,7 @@ func (r *RouterBackend) extractIntentFromSendRequest( if err != nil { return nil, err } - payIntent.BlindedPayment = pathSet.GetPath() + payIntent.BlindedPathSet = pathSet // Replace the target node with the target public key // of the blinded path set. diff --git a/routing/pathfind.go b/routing/pathfind.go index d76c5ea22f..ee920c564e 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -136,9 +136,8 @@ type finalHopParams struct { // NOTE: If a non-nil blinded path is provided it is assumed to have been // validated by the caller. func newRoute(sourceVertex route.Vertex, - pathEdges []*unifiedEdge, currentHeight uint32, - finalHop finalHopParams, blindedPath *sphinx.BlindedPath) ( - *route.Route, error) { + pathEdges []*unifiedEdge, currentHeight uint32, finalHop finalHopParams, + blindedPathSet *BlindedPaymentPathSet) (*route.Route, error) { var ( hops []*route.Hop @@ -153,8 +152,14 @@ func newRoute(sourceVertex route.Vertex, // backwards below, this next hop gets closer and closer to the // sender of the payment. nextIncomingAmount lnwire.MilliSatoshi + + blindedPath *sphinx.BlindedPath ) + if blindedPathSet != nil { + blindedPath = blindedPathSet.GetPath().BlindedPath + } + pathLength := len(pathEdges) for i := pathLength - 1; i >= 0; i-- { // Now we'll start to calculate the items within the per-hop @@ -437,9 +442,9 @@ type RestrictParams struct { // the payee. Metadata []byte - // BlindedPayment is necessary to determine the hop size of the + // BlindedPaymentPathSet is necessary to determine the hop size of the // last/exit hop. - BlindedPayment *BlindedPayment + BlindedPaymentPathSet *BlindedPaymentPathSet } // PathFindingConfig defines global parameters that control the trade-off in @@ -1365,9 +1370,11 @@ func getProbabilityBasedDist(weight int64, probability float64, func lastHopPayloadSize(r *RestrictParams, finalHtlcExpiry int32, amount lnwire.MilliSatoshi) uint64 { - if r.BlindedPayment != nil { - blindedPath := r.BlindedPayment.BlindedPath.BlindedHops - blindedPoint := r.BlindedPayment.BlindedPath.BlindingPoint + if r.BlindedPaymentPathSet != nil { + paymentPath := r.BlindedPaymentPathSet. + LargestLastHopPayloadPath() + blindedPath := paymentPath.BlindedPath.BlindedHops + blindedPoint := paymentPath.BlindedPath.BlindingPoint encryptedData := blindedPath[len(blindedPath)-1].CipherText finalHop := route.Hop{ diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index f67a8fa590..1200035bb3 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3277,6 +3277,11 @@ func TestBlindedRouteConstruction(t *testing.T) { require.NoError(t, blindedPayment.Validate()) + blindedPathSet, err := NewBlindedPaymentPathSet( + []*BlindedPayment{blindedPayment}, + ) + require.NoError(t, err) + // Generate route hints from our blinded payment and a set of edges // that make up the graph we'll give to route construction. The hints // map is keyed by source node, so we can retrieve our blinded edges @@ -3382,7 +3387,7 @@ func TestBlindedRouteConstruction(t *testing.T) { route, err := newRoute( sourceVertex, edges, currentHeight, finalHopParams, - blindedPath, + blindedPathSet, ) require.NoError(t, err) require.Equal(t, expectedRoute, route) @@ -3409,31 +3414,38 @@ func TestLastHopPayloadSize(t *testing.T) { amtToForward = lnwire.MilliSatoshi(10000) finalHopExpiry int32 = 144 - oneHopBlindedPayment = &BlindedPayment{ - BlindedPath: &sphinx.BlindedPath{ - BlindedHops: []*sphinx.BlindedHopInfo{ - { - CipherText: encrypedData, - }, + oneHopPath = &sphinx.BlindedPath{ + BlindedHops: []*sphinx.BlindedHopInfo{ + { + CipherText: encrypedData, }, - BlindingPoint: blindedPoint, }, + BlindingPoint: blindedPoint, } - twoHopBlindedPayment = &BlindedPayment{ - BlindedPath: &sphinx.BlindedPath{ - BlindedHops: []*sphinx.BlindedHopInfo{ - { - CipherText: encrypedData, - }, - { - CipherText: encrypedData, - }, + + twoHopPath = &sphinx.BlindedPath{ + BlindedHops: []*sphinx.BlindedHopInfo{ + { + CipherText: encrypedData, + }, + { + CipherText: encrypedData, }, - BlindingPoint: blindedPoint, }, + BlindingPoint: blindedPoint, } ) + oneHopBlindedPayment, err := NewBlindedPaymentPathSet( + []*BlindedPayment{{BlindedPath: oneHopPath}}, + ) + require.NoError(t, err) + + twoHopBlindedPayment, err := NewBlindedPaymentPathSet( + []*BlindedPayment{{BlindedPath: twoHopPath}}, + ) + require.NoError(t, err) + testCases := []struct { name string restrictions *RestrictParams @@ -3454,7 +3466,7 @@ func TestLastHopPayloadSize(t *testing.T) { { name: "Blinded final hop introduction point", restrictions: &RestrictParams{ - BlindedPayment: oneHopBlindedPayment, + BlindedPaymentPathSet: oneHopBlindedPayment, }, amount: amtToForward, finalHopExpiry: finalHopExpiry, @@ -3462,7 +3474,7 @@ func TestLastHopPayloadSize(t *testing.T) { { name: "Blinded final hop of a two hop payment", restrictions: &RestrictParams{ - BlindedPayment: twoHopBlindedPayment, + BlindedPaymentPathSet: twoHopBlindedPayment, }, amount: amtToForward, finalHopExpiry: finalHopExpiry, @@ -3490,12 +3502,11 @@ func TestLastHopPayloadSize(t *testing.T) { } var finalHop route.Hop - if tc.restrictions.BlindedPayment != nil { - blindedPath := tc.restrictions.BlindedPayment. - BlindedPath.BlindedHops - - blindedPoint := tc.restrictions.BlindedPayment. - BlindedPath.BlindingPoint + if tc.restrictions.BlindedPaymentPathSet != nil { + path := tc.restrictions.BlindedPaymentPathSet. + LargestLastHopPayloadPath() + blindedPath := path.BlindedPath.BlindedHops + blindedPoint := path.BlindedPath.BlindingPoint //nolint:lll finalHop = route.Hop{ diff --git a/routing/payment_session.go b/routing/payment_session.go index f320ce0dcb..00b4ab70ed 100644 --- a/routing/payment_session.go +++ b/routing/payment_session.go @@ -5,7 +5,6 @@ import ( "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btclog" - sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/build" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" @@ -206,13 +205,13 @@ func newPaymentSession(p *LightningPayment, selfNode route.Vertex, return nil, err } - if p.BlindedPayment != nil { + if p.BlindedPathSet != nil { if len(edges) != 0 { return nil, fmt.Errorf("cannot have both route hints " + "and blinded path") } - edges, err = p.BlindedPayment.toRouteHints() + edges, err = p.BlindedPathSet.ToRouteHints() if err != nil { return nil, err } @@ -342,7 +341,7 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, // can split. Split payments to blinded paths won't have // MPP records. if p.payment.PaymentAddr == nil && - p.payment.BlindedPayment == nil { + p.payment.BlindedPathSet == nil { p.log.Debugf("not splitting because payment " + "address is unspecified") @@ -407,11 +406,6 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, return nil, err } - var blindedPath *sphinx.BlindedPath - if p.payment.BlindedPayment != nil { - blindedPath = p.payment.BlindedPayment.BlindedPath - } - // With the next candidate path found, we'll attempt to turn // this into a route by applying the time-lock and fee // requirements. @@ -424,7 +418,7 @@ func (p *paymentSession) RequestRoute(maxAmt, feeLimit lnwire.MilliSatoshi, records: p.payment.DestCustomRecords, paymentAddr: p.payment.PaymentAddr, metadata: p.payment.Metadata, - }, blindedPath, + }, p.payment.BlindedPathSet, ) if err != nil { return nil, err diff --git a/routing/router.go b/routing/router.go index 5551c53451..1bf6a56c78 100644 --- a/routing/router.go +++ b/routing/router.go @@ -477,10 +477,10 @@ type RouteRequest struct { // in blinded payment. FinalExpiry uint16 - // BlindedPayment contains an optional blinded path and parameters - // used to reach a target node via a blinded path. This field is + // BlindedPathSet contains a set of optional blinded paths and + // parameters used to reach a target node blinded paths. This field is // mutually exclusive with the Target field. - BlindedPayment *BlindedPayment + BlindedPathSet *BlindedPaymentPathSet } // RouteHints is an alias type for a set of route hints, with the source node @@ -494,7 +494,7 @@ type RouteHints map[route.Vertex][]AdditionalEdge func NewRouteRequest(source route.Vertex, target *route.Vertex, amount lnwire.MilliSatoshi, timePref float64, restrictions *RestrictParams, customRecords record.CustomSet, - routeHints RouteHints, blindedPayment *BlindedPayment, + routeHints RouteHints, blindedPathSet *BlindedPaymentPathSet, finalExpiry uint16) (*RouteRequest, error) { var ( @@ -504,11 +504,8 @@ func NewRouteRequest(source route.Vertex, target *route.Vertex, err error ) - if blindedPayment != nil { - if err := blindedPayment.Validate(); err != nil { - return nil, fmt.Errorf("invalid blinded payment: %w", - err) - } + if blindedPathSet != nil { + blindedPayment := blindedPathSet.GetPath() introVertex := route.NewVertex( blindedPayment.BlindedPath.IntroductionPoint, @@ -539,13 +536,13 @@ func NewRouteRequest(source route.Vertex, target *route.Vertex, requestExpiry = blindedPayment.CltvExpiryDelta } - requestHints, err = blindedPayment.toRouteHints() + requestHints, err = blindedPathSet.ToRouteHints() if err != nil { return nil, err } } - requestTarget, err := getTargetNode(target, blindedPayment) + requestTarget, err := getTargetNode(target, blindedPathSet) if err != nil { return nil, err } @@ -559,15 +556,15 @@ func NewRouteRequest(source route.Vertex, target *route.Vertex, CustomRecords: customRecords, RouteHints: requestHints, FinalExpiry: requestExpiry, - BlindedPayment: blindedPayment, + BlindedPathSet: blindedPathSet, }, nil } -func getTargetNode(target *route.Vertex, blindedPayment *BlindedPayment) ( - route.Vertex, error) { +func getTargetNode(target *route.Vertex, + blindedPathSet *BlindedPaymentPathSet) (route.Vertex, error) { var ( - blinded = blindedPayment != nil + blinded = blindedPathSet != nil targetSet = target != nil ) @@ -576,6 +573,8 @@ func getTargetNode(target *route.Vertex, blindedPayment *BlindedPayment) ( return route.Vertex{}, ErrTargetAndBlinded case blinded: + blindedPayment := blindedPathSet.GetPath() + // If we're dealing with an edge-case blinded path that just // has an introduction node (first hop expected to be the intro // hop), then we return the unblinded introduction node as our @@ -597,16 +596,6 @@ func getTargetNode(target *route.Vertex, blindedPayment *BlindedPayment) ( } } -// blindedPath returns the request's blinded path, which is set if the payment -// is to a blinded route. -func (r *RouteRequest) blindedPath() *sphinx.BlindedPath { - if r.BlindedPayment == nil { - return nil - } - - return r.BlindedPayment.BlindedPath -} - // FindRoute attempts to query the ChannelRouter for the optimum path to a // particular target destination to which it is able to send `amt` after // factoring in channel capacities and cumulative fees along the route. @@ -664,7 +653,7 @@ func (r *ChannelRouter) FindRoute(req *RouteRequest) (*route.Route, float64, totalAmt: req.Amount, cltvDelta: req.FinalExpiry, records: req.CustomRecords, - }, req.blindedPath(), + }, req.BlindedPathSet, ) if err != nil { return nil, 0, err @@ -926,14 +915,10 @@ type LightningPayment struct { // BlindedPayment field. RouteHints [][]zpay32.HopHint - // BlindedPayment holds the information about a blinded path to the - // payment recipient. This is mutually exclusive to the RouteHints + // BlindedPathSet holds the information about a set of blinded paths to + // the payment recipient. This is mutually exclusive to the RouteHints // field. - // - // NOTE: a recipient may provide multiple blinded payment paths in the - // same invoice. Currently, LND will only attempt to use the first one. - // A future PR will handle multiple blinded payment paths. - BlindedPayment *BlindedPayment + BlindedPathSet *BlindedPaymentPathSet // OutgoingChannelIDs is the list of channels that are allowed for the // first hop. If nil, any channel may be used. diff --git a/routing/router_test.go b/routing/router_test.go index f631669a9d..0ffd75db2e 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -2223,11 +2223,6 @@ func TestNewRouteRequest(t *testing.T) { finalExpiry: unblindedCltv, err: ErrExpiryAndBlinded, }, - { - name: "invalid blinded payment", - blindedPayment: &BlindedPayment{}, - err: ErrNoBlindedPath, - }, } for _, testCase := range testCases { @@ -2236,9 +2231,19 @@ func TestNewRouteRequest(t *testing.T) { t.Run(testCase.name, func(t *testing.T) { t.Parallel() + var blindedPathInfo *BlindedPaymentPathSet + if testCase.blindedPayment != nil { + blindedPathInfo, err = NewBlindedPaymentPathSet( + []*BlindedPayment{ + testCase.blindedPayment, + }, + ) + require.NoError(t, err) + } + req, err := NewRouteRequest( source, testCase.target, 1000, 0, nil, nil, - testCase.routeHints, testCase.blindedPayment, + testCase.routeHints, blindedPathInfo, testCase.finalExpiry, ) require.ErrorIs(t, err, testCase.err) diff --git a/rpcserver.go b/rpcserver.go index ff7aa613a9..86bc6415c3 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5105,7 +5105,7 @@ type rpcPaymentIntent struct { paymentAddr *[32]byte payReq []byte metadata []byte - blindedPayment *routing.BlindedPayment + blindedPathSet *routing.BlindedPaymentPathSet destCustomRecords record.CustomSet @@ -5248,7 +5248,7 @@ func (r *rpcServer) extractPaymentIntent(rpcPayReq *rpcPaymentRequest) (rpcPayme if err != nil { return payIntent, err } - payIntent.blindedPayment = pathSet.GetPath() + payIntent.blindedPathSet = pathSet // Replace the destination node with the target public // key of the blinded path set. @@ -5417,7 +5417,7 @@ func (r *rpcServer) dispatchPaymentIntent( DestFeatures: payIntent.destFeatures, PaymentAddr: payIntent.paymentAddr, Metadata: payIntent.metadata, - BlindedPayment: payIntent.blindedPayment, + BlindedPathSet: payIntent.blindedPathSet, // Don't enable multi-part payments on the main rpc. // Users need to use routerrpc for that. From 8df03de3e9c87afd7ffcd8ea6c9b9aba2d0c5db2 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 15 May 2024 15:52:17 +0200 Subject: [PATCH 201/343] routing: swap out final hop blinded route pub keys If multiple blinded paths are provided, they will each have a different pub key for the destination node. This makes using our existing pathfinding logic tricky since it depends on having a single destination node (characterised by a single pub key). We want to re-use this logic. So what we do is swap out the pub keys of the destinaion hop with a pseudo target pub key. This will then be used during pathfinding. Later on once a path is found, we will swap the real destination keys back in so that onion creation can be done. --- routing/blinding.go | 62 +++++++++++++++++++++++++++++++--------- routing/blinding_test.go | 5 ++-- routing/pathfind.go | 43 ++++++++++++++++++++++------ routing/pathfind_test.go | 5 +++- routing/router.go | 15 +--------- routing/router_test.go | 11 +++++-- 6 files changed, 99 insertions(+), 42 deletions(-) diff --git a/routing/blinding.go b/routing/blinding.go index c491f4d85a..32bcfa3ff5 100644 --- a/routing/blinding.go +++ b/routing/blinding.go @@ -7,6 +7,7 @@ import ( "github.com/btcsuite/btcd/btcec/v2" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" ) @@ -86,16 +87,35 @@ func NewBlindedPaymentPathSet(paths []*BlindedPayment) (*BlindedPaymentPathSet, } } - // NOTE: for now, we just take a single path. By the end of this PR - // series, all paths will be kept. - path := paths[0] + // Derive an ephemeral target priv key that will be injected into each + // blinded path final hop. + targetPriv, err := btcec.NewPrivateKey() + if err != nil { + return nil, err + } + targetPub := targetPriv.PubKey() + + // If any provided blinded path only has a single hop (ie, the + // destination node is also the introduction node), then we discard all + // other paths since we know the real pub key of the destination node. + // For a single hop path, there is also no need for the pseudo target + // pub key replacement, so our target pub key in this case just remains + // the real introduction node ID. + var pathSet = paths + for _, path := range paths { + if len(path.BlindedPath.BlindedHops) != 1 { + continue + } - finalHop := path.BlindedPath. - BlindedHops[len(path.BlindedPath.BlindedHops)-1] + pathSet = []*BlindedPayment{path} + targetPub = path.BlindedPath.IntroductionPoint + + break + } return &BlindedPaymentPathSet{ - paths: paths, - targetPubKey: finalHop.BlindedNodePub, + paths: pathSet, + targetPubKey: targetPub, features: features, }, nil } @@ -144,7 +164,7 @@ func (s *BlindedPaymentPathSet) ToRouteHints() (RouteHints, error) { hints := make(RouteHints) for _, path := range s.paths { - pathHints, err := path.toRouteHints() + pathHints, err := path.toRouteHints(fn.Some(s.targetPubKey)) if err != nil { return nil, err } @@ -223,8 +243,11 @@ func (b *BlindedPayment) Validate() error { // effectively the final_cltv_delta for the receiving introduction node). In // the case of multiple blinded hops, CLTV delta is fully accounted for in the // hints (both for intermediate hops and the final_cltv_delta for the receiving -// node). -func (b *BlindedPayment) toRouteHints() (RouteHints, error) { +// node). The pseudoTarget, if provided, will be used to override the pub key +// of the destination node in the path. +func (b *BlindedPayment) toRouteHints( + pseudoTarget fn.Option[*btcec.PublicKey]) (RouteHints, error) { + // If we just have a single hop in our blinded route, it just contains // an introduction node (this is a valid path according to the spec). // Since we have the un-blinded node ID for the introduction node, we @@ -272,12 +295,12 @@ func (b *BlindedPayment) toRouteHints() (RouteHints, error) { ToNodeFeatures: features, } - edge, err := NewBlindedEdge(edgePolicy, b, 0) + lastEdge, err := NewBlindedEdge(edgePolicy, b, 0) if err != nil { return nil, err } - hints[fromNode] = []AdditionalEdge{edge} + hints[fromNode] = []AdditionalEdge{lastEdge} // Start at an offset of 1 because the first node in our blinded hops // is the introduction node and terminate at the second-last node @@ -304,13 +327,24 @@ func (b *BlindedPayment) toRouteHints() (RouteHints, error) { ToNodeFeatures: features, } - edge, err := NewBlindedEdge(edgePolicy, b, i) + lastEdge, err = NewBlindedEdge(edgePolicy, b, i) if err != nil { return nil, err } - hints[fromNode] = []AdditionalEdge{edge} + hints[fromNode] = []AdditionalEdge{lastEdge} } + pseudoTarget.WhenSome(func(key *btcec.PublicKey) { + // For the very last hop on the path, switch out the ToNodePub + // for the pseudo target pub key. + lastEdge.policy.ToNodePubKey = func() route.Vertex { + return route.NewVertex(key) + } + + // Then override the final hint with this updated edge. + hints[fromNode] = []AdditionalEdge{lastEdge} + }) + return hints, nil } diff --git a/routing/blinding_test.go b/routing/blinding_test.go index 58ad565949..950cb02107 100644 --- a/routing/blinding_test.go +++ b/routing/blinding_test.go @@ -7,6 +7,7 @@ import ( "github.com/btcsuite/btcd/btcec/v2" sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/routing/route" "github.com/stretchr/testify/require" @@ -128,7 +129,7 @@ func TestBlindedPaymentToHints(t *testing.T) { HtlcMaximum: htlcMax, Features: features, } - hints, err := blindedPayment.toRouteHints() + hints, err := blindedPayment.toRouteHints(fn.None[*btcec.PublicKey]()) require.NoError(t, err) require.Nil(t, hints) @@ -183,7 +184,7 @@ func TestBlindedPaymentToHints(t *testing.T) { }, } - actual, err := blindedPayment.toRouteHints() + actual, err := blindedPayment.toRouteHints(fn.None[*btcec.PublicKey]()) require.NoError(t, err) require.Equal(t, len(expected), len(actual)) diff --git a/routing/pathfind.go b/routing/pathfind.go index ee920c564e..bf1d3bf4f8 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -153,19 +153,24 @@ func newRoute(sourceVertex route.Vertex, // sender of the payment. nextIncomingAmount lnwire.MilliSatoshi - blindedPath *sphinx.BlindedPath + blindedPayment *BlindedPayment ) - if blindedPathSet != nil { - blindedPath = blindedPathSet.GetPath().BlindedPath - } - pathLength := len(pathEdges) for i := pathLength - 1; i >= 0; i-- { // Now we'll start to calculate the items within the per-hop // payload for the hop this edge is leading to. edge := pathEdges[i].policy + // If this is an edge from a blinded path and the + // blindedPayment variable has not been set yet, then set it now + // by extracting the corresponding blinded payment from the + // edge. + isBlindedEdge := pathEdges[i].blindedPayment != nil + if isBlindedEdge && blindedPayment == nil { + blindedPayment = pathEdges[i].blindedPayment + } + // We'll calculate the amounts, timelocks, and fees for each hop // in the route. The base case is the final hop which includes // their amount and timelocks. These values will accumulate @@ -212,8 +217,9 @@ func newRoute(sourceVertex route.Vertex, // node's CLTV delta. The exception is for the case // where the final hop is the blinded path introduction // node. - if blindedPath == nil || - len(blindedPath.BlindedHops) == 1 { + if blindedPathSet == nil || + len(blindedPathSet.GetPath().BlindedPath. + BlindedHops) == 1 { // As this is the last hop, we'll use the // specified final CLTV delta value instead of @@ -245,7 +251,7 @@ func newRoute(sourceVertex route.Vertex, metadata = finalHop.metadata - if blindedPath != nil { + if blindedPathSet != nil { totalAmtMsatBlinded = finalHop.totalAmt } } else { @@ -305,11 +311,25 @@ func newRoute(sourceVertex route.Vertex, // If we are creating a route to a blinded path, we need to add some // additional data to the route that is required for blinded forwarding. // We do another pass on our edges to append this data. - if blindedPath != nil { + if blindedPathSet != nil { + // If the passed in BlindedPaymentPathSet is non-nil but no + // edge had a BlindedPayment attached, it means that the path + // chosen was an introduction-node-only path. So in this case, + // we can assume the relevant payment is the only one in the + // payment set. + if blindedPayment == nil { + blindedPayment = blindedPathSet.GetPath() + } + var ( inBlindedRoute bool dataIndex = 0 + blindedPath = blindedPayment.BlindedPath + numHops = len(blindedPath.BlindedHops) + realFinal = blindedPath.BlindedHops[numHops-1]. + BlindedNodePub + introVertex = route.NewVertex( blindedPath.IntroductionPoint, ) @@ -337,6 +357,11 @@ func newRoute(sourceVertex route.Vertex, if i != len(hops)-1 { hop.AmtToForward = 0 hop.OutgoingTimeLock = 0 + } else { + // For the final hop, we swap out the pub key + // bytes to the original destination node pub + // key for that payment path. + hop.PubKeyBytes = route.NewVertex(realFinal) } dataIndex++ diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 1200035bb3..8023853517 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -23,6 +23,7 @@ import ( sphinx "github.com/lightningnetwork/lightning-onion" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/htlcswitch" switchhop "github.com/lightningnetwork/lnd/htlcswitch/hop" "github.com/lightningnetwork/lnd/kvdb" @@ -3286,7 +3287,9 @@ func TestBlindedRouteConstruction(t *testing.T) { // that make up the graph we'll give to route construction. The hints // map is keyed by source node, so we can retrieve our blinded edges // accordingly. - blindedEdges, err := blindedPayment.toRouteHints() + blindedEdges, err := blindedPayment.toRouteHints( + fn.None[*btcec.PublicKey](), + ) require.NoError(t, err) carolDaveEdge := blindedEdges[carolVertex][0] diff --git a/routing/router.go b/routing/router.go index 1bf6a56c78..13e36f3045 100644 --- a/routing/router.go +++ b/routing/router.go @@ -573,20 +573,7 @@ func getTargetNode(target *route.Vertex, return route.Vertex{}, ErrTargetAndBlinded case blinded: - blindedPayment := blindedPathSet.GetPath() - - // If we're dealing with an edge-case blinded path that just - // has an introduction node (first hop expected to be the intro - // hop), then we return the unblinded introduction node as our - // target. - hops := blindedPayment.BlindedPath.BlindedHops - if len(hops) == 1 { - return route.NewVertex( - blindedPayment.BlindedPath.IntroductionPoint, - ), nil - } - - return route.NewVertex(hops[len(hops)-1].BlindedNodePub), nil + return route.NewVertex(blindedPathSet.TargetPubKey()), nil case targetSet: return *target, nil diff --git a/routing/router_test.go b/routing/router_test.go index 0ffd75db2e..28cced4e64 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -2231,7 +2231,10 @@ func TestNewRouteRequest(t *testing.T) { t.Run(testCase.name, func(t *testing.T) { t.Parallel() - var blindedPathInfo *BlindedPaymentPathSet + var ( + blindedPathInfo *BlindedPaymentPathSet + expectedTarget = testCase.expectedTarget + ) if testCase.blindedPayment != nil { blindedPathInfo, err = NewBlindedPaymentPathSet( []*BlindedPayment{ @@ -2239,6 +2242,10 @@ func TestNewRouteRequest(t *testing.T) { }, ) require.NoError(t, err) + + expectedTarget = route.NewVertex( + blindedPathInfo.TargetPubKey(), + ) } req, err := NewRouteRequest( @@ -2253,7 +2260,7 @@ func TestNewRouteRequest(t *testing.T) { return } - require.Equal(t, req.Target, testCase.expectedTarget) + require.Equal(t, req.Target, expectedTarget) require.Equal( t, req.FinalExpiry, testCase.expectedCltv, ) From daaa24b69ce601a235c5432ed0d5abed741aef30 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 15 May 2024 15:59:43 +0200 Subject: [PATCH 202/343] routing: let BlindedPaymentPathSet handle FinalCLTV logic Instead of needing to remember how to handle the FinalCLTV value of a blinded payment path at various points in the code base, we hide the logic behind a unified FinalCLTVDelta method on the blinded path. --- routing/blinding.go | 40 ++++++++++++++++++++++++++++++++++++---- routing/pathfind.go | 19 +++++-------------- routing/router.go | 12 +----------- 3 files changed, 42 insertions(+), 29 deletions(-) diff --git a/routing/blinding.go b/routing/blinding.go index 32bcfa3ff5..401d7f3ee6 100644 --- a/routing/blinding.go +++ b/routing/blinding.go @@ -51,6 +51,22 @@ type BlindedPaymentPathSet struct { // moment we require that all paths for the same payment have the // same feature set. features *lnwire.FeatureVector + + // finalCLTV is the final hop's expiry delta of _any_ path in the set. + // For any multi-hop path, the final CLTV delta should be seen as zero + // since the final hop's final CLTV delta is accounted for in the + // accumulated path policy values. The only edge case is for when the + // final hop in the path is also the introduction node in which case + // that path's FinalCLTV must be the non-zero min CLTV of the final hop + // so that it is accounted for in path finding. For this reason, if + // we have any single path in the set with only one hop, then we throw + // away all the other paths. This should be fine to do since if there is + // a path where the intro node is also the destination node, then there + // isn't any need to try any other longer blinded path. In other words, + // if this value is non-zero, then there is only one path in this + // blinded path set and that path only has a single hop: the + // introduction node. + finalCLTV uint16 } // NewBlindedPaymentPathSet constructs a new BlindedPaymentPathSet from a set of @@ -95,19 +111,25 @@ func NewBlindedPaymentPathSet(paths []*BlindedPayment) (*BlindedPaymentPathSet, } targetPub := targetPriv.PubKey() + var ( + pathSet = paths + finalCLTVDelta uint16 + ) // If any provided blinded path only has a single hop (ie, the // destination node is also the introduction node), then we discard all // other paths since we know the real pub key of the destination node. - // For a single hop path, there is also no need for the pseudo target - // pub key replacement, so our target pub key in this case just remains - // the real introduction node ID. - var pathSet = paths + // We also then set the final CLTV delta to the path's delta since + // there are no other edge hints that will account for it. For a single + // hop path, there is also no need for the pseudo target pub key + // replacement, so our target pub key in this case just remains the + // real introduction node ID. for _, path := range paths { if len(path.BlindedPath.BlindedHops) != 1 { continue } pathSet = []*BlindedPayment{path} + finalCLTVDelta = path.CltvExpiryDelta targetPub = path.BlindedPath.IntroductionPoint break @@ -117,6 +139,7 @@ func NewBlindedPaymentPathSet(paths []*BlindedPayment) (*BlindedPaymentPathSet, paths: pathSet, targetPubKey: targetPub, features: features, + finalCLTV: finalCLTVDelta, }, nil } @@ -137,6 +160,15 @@ func (s *BlindedPaymentPathSet) GetPath() *BlindedPayment { return s.paths[0] } +// FinalCLTVDelta is the minimum CLTV delta to use for the final hop on the +// route. In most cases this will return zero since the value is accounted for +// in the path's accumulated CLTVExpiryDelta. Only in the edge case of the path +// set only including a single path which only includes an introduction node +// will this return a non-zero value. +func (s *BlindedPaymentPathSet) FinalCLTVDelta() uint16 { + return s.finalCLTV +} + // LargestLastHopPayloadPath returns the BlindedPayment in the set that has the // largest last-hop payload. This is to be used for onion size estimation in // path finding. diff --git a/routing/pathfind.go b/routing/pathfind.go index bf1d3bf4f8..5169bdab99 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -210,21 +210,12 @@ func newRoute(sourceVertex route.Vertex, // reporting through RPC. Set to zero for the final hop. fee = 0 - // Only include the final hop CLTV delta in the total - // time lock value if this is not a route to a blinded - // path. For blinded paths, the total time-lock from the - // whole path will be deduced from the introduction - // node's CLTV delta. The exception is for the case - // where the final hop is the blinded path introduction - // node. - if blindedPathSet == nil || - len(blindedPathSet.GetPath().BlindedPath. - BlindedHops) == 1 { - - // As this is the last hop, we'll use the - // specified final CLTV delta value instead of - // the value from the last link in the route. + if blindedPathSet == nil { totalTimeLock += uint32(finalHop.cltvDelta) + } else { + totalTimeLock += uint32( + blindedPathSet.FinalCLTVDelta(), + ) } outgoingTimeLock = totalTimeLock diff --git a/routing/router.go b/routing/router.go index 13e36f3045..bca78b5ad5 100644 --- a/routing/router.go +++ b/routing/router.go @@ -524,17 +524,7 @@ func NewRouteRequest(source route.Vertex, target *route.Vertex, return nil, ErrExpiryAndBlinded } - // If we have a blinded path with 1 hop, the cltv expiry - // will not be included in any hop hints (since we're just - // sending to the introduction node and need no blinded hints). - // In this case, we include it to make sure that the final - // cltv delta is accounted for (since it's part of the blinded - // delta). In the case of a multi-hop route, we set our final - // cltv to zero, since it's going to be accounted for in the - // delta for our hints. - if len(blindedPayment.BlindedPath.BlindedHops) == 1 { - requestExpiry = blindedPayment.CltvExpiryDelta - } + requestExpiry = blindedPathSet.FinalCLTVDelta() requestHints, err = blindedPathSet.ToRouteHints() if err != nil { From e87110317b195b3c7f19a767151d30ea50b93a98 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 16 May 2024 10:33:00 +0200 Subject: [PATCH 203/343] routing: final changes to BlindedPaymentPathSet Continue adding some complexity behind the BlindedPaymentPathSet. What we do here is add a new IntroNodeOnlyPath method. The assumption we make here is: If multiple blinded paths are provided to us in an invoice but one of those paths only includes an intro node, then there is no point in looking at any other path since we know that the intro node is the destination node. So in such a case, we would have discarded any other path in the `NewBlindedPaymentPathSet` constructor. So then we would only have a single blinded path made up of an introduction node only. In this specific case, in the `newRoute` function, no edge passed to the function would have a blindedPayment associated with it (since there are no blinded hops in this case). So we will have a case where `blindedPathSet` passed to `newRoute` is not nil but `blindedPayment` is nil since nonce was extacted from any edge. If this happens then we can assume that this is the Intro-Node-Only situation described above. And so we grabe the associated payment from the path set. --- routing/blinding.go | 34 ++++++++++++++++++++++++++++++---- routing/pathfind.go | 6 +++++- routing/pathfind_test.go | 19 +++++++++++++++---- routing/router.go | 7 +------ 4 files changed, 51 insertions(+), 15 deletions(-) diff --git a/routing/blinding.go b/routing/blinding.go index 401d7f3ee6..270f998d9f 100644 --- a/routing/blinding.go +++ b/routing/blinding.go @@ -154,10 +154,36 @@ func (s *BlindedPaymentPathSet) Features() *lnwire.FeatureVector { return s.features } -// GetPath is a temporary getter for the single path that the set holds. -// This will be removed later on in this PR. -func (s *BlindedPaymentPathSet) GetPath() *BlindedPayment { - return s.paths[0] +// IntroNodeOnlyPath can be called if it is expected that the path set only +// contains a single payment path which itself only has one hop. It errors if +// this is not the case. +func (s *BlindedPaymentPathSet) IntroNodeOnlyPath() (*BlindedPayment, error) { + if len(s.paths) != 1 { + return nil, fmt.Errorf("expected only a single path in the "+ + "blinded payment set, got %d", len(s.paths)) + } + + if len(s.paths[0].BlindedPath.BlindedHops) > 1 { + return nil, fmt.Errorf("an intro node only path cannot have " + + "more than one hop") + } + + return s.paths[0], nil +} + +// IsIntroNode returns true if the given vertex is an introduction node for one +// of the paths in the blinded payment path set. +func (s *BlindedPaymentPathSet) IsIntroNode(source route.Vertex) bool { + for _, path := range s.paths { + introVertex := route.NewVertex( + path.BlindedPath.IntroductionPoint, + ) + if source == introVertex { + return true + } + } + + return false } // FinalCLTVDelta is the minimum CLTV delta to use for the final hop on the diff --git a/routing/pathfind.go b/routing/pathfind.go index 5169bdab99..35b44cf6b4 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -309,7 +309,11 @@ func newRoute(sourceVertex route.Vertex, // we can assume the relevant payment is the only one in the // payment set. if blindedPayment == nil { - blindedPayment = blindedPathSet.GetPath() + var err error + blindedPayment, err = blindedPathSet.IntroNodeOnlyPath() + if err != nil { + return nil, err + } } var ( diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 8023853517..8fc50bb4f3 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3296,10 +3296,21 @@ func TestBlindedRouteConstruction(t *testing.T) { daveEveEdge := blindedEdges[daveBlindedVertex][0] edges := []*unifiedEdge{ - {policy: aliceBobEdge}, - {policy: bobCarolEdge}, - {policy: carolDaveEdge.EdgePolicy()}, - {policy: daveEveEdge.EdgePolicy()}, + { + policy: aliceBobEdge, + }, + { + policy: bobCarolEdge, + blindedPayment: blindedPayment, + }, + { + policy: carolDaveEdge.EdgePolicy(), + blindedPayment: blindedPayment, + }, + { + policy: daveEveEdge.EdgePolicy(), + blindedPayment: blindedPayment, + }, } // Total timelock for the route should include: diff --git a/routing/router.go b/routing/router.go index bca78b5ad5..0a0af0d869 100644 --- a/routing/router.go +++ b/routing/router.go @@ -505,12 +505,7 @@ func NewRouteRequest(source route.Vertex, target *route.Vertex, ) if blindedPathSet != nil { - blindedPayment := blindedPathSet.GetPath() - - introVertex := route.NewVertex( - blindedPayment.BlindedPath.IntroductionPoint, - ) - if source == introVertex { + if blindedPathSet.IsIntroNode(source) { return nil, ErrSelfIntro } From e4165018026d1deba2cdb1997814bf176f34dbe2 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Jul 2024 12:13:50 +0200 Subject: [PATCH 204/343] itest: test sending MP payment over multiple blinded paths --- itest/list_on_test.go | 4 + itest/lnd_route_blinding_test.go | 163 +++++++++++++++++++++++++++++++ 2 files changed, 167 insertions(+) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index c5d63bd2dd..adedfd5410 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -594,6 +594,10 @@ var allTestCases = []*lntest.TestCase{ Name: "mpp to single blinded path", TestFunc: testMPPToSingleBlindedPath, }, + { + Name: "mpp to multiple blinded paths", + TestFunc: testMPPToMultipleBlindedPaths, + }, { Name: "route blinding dummy hops", TestFunc: testBlindedRouteDummyHops, diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 3b10f3b59e..48f31900ff 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1229,3 +1229,166 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { ht.AssertNumWaitingClose(hn, 0) } } + +// testMPPToMultipleBlindedPaths tests that a two-shard MPP payment can be sent +// over a multiple blinded paths. The following network is created where Dave +// is the recipient and Alice the sender. Dave will create an invoice containing +// two blinded paths: one with Bob at the intro node and one with Carol as the +// intro node. Channel liquidity will be set up in such a way that Alice will be +// forced to send one shared via the Bob->Dave route and one over the +// Carol->Dave route. +// +// --- Bob --- +// / \ +// Alice Dave +// \ / +// --- Carol --- +func testMPPToMultipleBlindedPaths(ht *lntest.HarnessTest) { + alice, bob := ht.Alice, ht.Bob + + // Create a four-node context consisting of Alice, Bob and three new + // nodes. + dave := ht.NewNode("dave", []string{ + "--routing.blinding.min-num-real-hops=1", + "--routing.blinding.num-hops=1", + }) + carol := ht.NewNode("carol", nil) + + // Connect nodes to ensure propagation of channels. + ht.EnsureConnected(alice, carol) + ht.EnsureConnected(alice, bob) + ht.EnsureConnected(carol, dave) + ht.EnsureConnected(bob, dave) + + // Fund the new nodes. + ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, carol) + ht.FundCoinsUnconfirmed(btcutil.SatoshiPerBitcoin, dave) + ht.MineBlocksAndAssertNumTxes(1, 2) + + const paymentAmt = btcutil.Amount(300000) + + nodes := []*node.HarnessNode{alice, bob, carol, dave} + + reqs := []*lntest.OpenChannelRequest{ + { + Local: alice, + Remote: bob, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 2 / 3, + }, + }, + { + Local: alice, + Remote: carol, + Param: lntest.OpenChannelParams{ + Amt: paymentAmt * 2 / 3, + }, + }, + { + Local: bob, + Remote: dave, + Param: lntest.OpenChannelParams{Amt: paymentAmt * 2}, + }, + { + Local: carol, + Remote: dave, + Param: lntest.OpenChannelParams{Amt: paymentAmt * 2}, + }, + } + + channelPoints := ht.OpenMultiChannelsAsync(reqs) + + // Make sure every node has heard every channel. + for _, hn := range nodes { + for _, cp := range channelPoints { + ht.AssertTopologyChannelOpen(hn, cp) + } + + // Each node should have exactly 5 edges. + ht.AssertNumEdges(hn, len(channelPoints), false) + } + + // Ok now make a payment that must be split to succeed. + + // Make Dave create an invoice for Alice to pay + invoice := &lnrpc.Invoice{ + Memo: "test", + Value: int64(paymentAmt), + Blind: true, + } + invoiceResp := dave.RPC.AddInvoice(invoice) + + // Assert that two blinded paths are included in the invoice. + payReq := dave.RPC.DecodePayReq(invoiceResp.PaymentRequest) + require.Len(ht, payReq.BlindedPaths, 2) + + sendReq := &routerrpc.SendPaymentRequest{ + PaymentRequest: invoiceResp.PaymentRequest, + MaxParts: 10, + TimeoutSeconds: 60, + FeeLimitMsat: noFeeLimitMsat, + } + payment := ht.SendPaymentAssertSettled(alice, sendReq) + + preimageBytes, err := hex.DecodeString(payment.PaymentPreimage) + require.NoError(ht, err) + + preimage, err := lntypes.MakePreimage(preimageBytes) + require.NoError(ht, err) + + hash, err := lntypes.MakeHash(invoiceResp.RHash) + require.NoError(ht, err) + + // Make sure we got the preimage. + require.True(ht, preimage.Matches(hash), "preimage doesn't match") + + // Check that Alice split the payment in at least two shards. Because + // the hand-off of the htlc to the link is asynchronous (via a mailbox), + // there is some non-determinism in the process. Depending on whether + // the new pathfinding round is started before or after the htlc is + // locked into the channel, different sharding may occur. Therefore we + // can only check if the number of shards isn't below the theoretical + // minimum. + succeeded := 0 + for _, htlc := range payment.Htlcs { + if htlc.Status == lnrpc.HTLCAttempt_SUCCEEDED { + succeeded++ + } + } + + const minExpectedShards = 2 + require.GreaterOrEqual(ht, succeeded, minExpectedShards, + "expected shards not reached") + + // Make sure Dave show the invoice as settled for the full amount. + inv := dave.RPC.LookupInvoice(invoiceResp.RHash) + + require.EqualValues(ht, paymentAmt, inv.AmtPaidSat, + "incorrect payment amt") + + require.Equal(ht, lnrpc.Invoice_SETTLED, inv.State, + "Invoice not settled") + + settled := 0 + for _, htlc := range inv.Htlcs { + if htlc.State == lnrpc.InvoiceHTLCState_SETTLED { + settled++ + } + } + require.Equal(ht, succeeded, settled, "num of HTLCs wrong") + + // Close all channels without mining the closing transactions. + ht.CloseChannelAssertPending(alice, channelPoints[0], false) + ht.CloseChannelAssertPending(alice, channelPoints[1], false) + ht.CloseChannelAssertPending(bob, channelPoints[2], false) + ht.CloseChannelAssertPending(carol, channelPoints[3], false) + + // Now mine a block to include all the closing transactions. (first + // iteration: no blinded paths) + ht.MineBlocksAndAssertNumTxes(1, 4) + + // Assert that the channels are closed. + for _, hn := range nodes { + ht.AssertNumWaitingClose(hn, 0) + } +} From 8a14955a0a246a12b91286adad2eda9a13ab48de Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 10 Jul 2024 12:14:31 +0200 Subject: [PATCH 205/343] docs: add release note --- docs/release-notes/release-notes-0.18.3.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 5184e9671c..f2e4e736e1 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -130,6 +130,9 @@ commitment when the channel was force closed. the `lncli addinvoice` command to instruct LND to include blinded paths in the invoice. +* Add the ability to [send to use multiple blinded payment + paths](https://github.com/lightningnetwork/lnd/pull/8764) in an MP payment. + ## Testing ## Database From b271922501807dd2950beff61a2731aa503b1188 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 31 Jul 2024 09:32:46 +0200 Subject: [PATCH 206/343] routing: dont use InPolicy for blinded paths We only need the ChannelID, so no need to use the InPolicy which might be nil. --- routing/pathfind.go | 4 ++-- routing/router.go | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/routing/pathfind.go b/routing/pathfind.go index 35b44cf6b4..ba9d111c46 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -1156,7 +1156,7 @@ type blindedPathRestrictions struct { // path. type blindedHop struct { vertex route.Vertex - edgePolicy *models.CachedEdgePolicy + channelID uint64 edgeCapacity btcutil.Amount } @@ -1296,7 +1296,7 @@ func processNodeForBlindedPath(g Graph, node route.Vertex, hop := blindedHop{ vertex: channel.OtherNode, - edgePolicy: channel.InPolicy, + channelID: channel.ChannelID, edgeCapacity: channel.Capacity, } diff --git a/routing/router.go b/routing/router.go index 0a0af0d869..3c9be10308 100644 --- a/routing/router.go +++ b/routing/router.go @@ -722,7 +722,7 @@ func (r *ChannelRouter) FindBlindedPaths(destination route.Vertex, hops = append(hops, &route.Hop{ PubKeyBytes: path[j].vertex, - ChannelID: path[j-1].edgePolicy.ChannelID, + ChannelID: path[j-1].channelID, }) prevNode = path[j].vertex From 08b68bbaf728bb6deb9d3d05869b8d029167ee4e Mon Sep 17 00:00:00 2001 From: ziggie Date: Wed, 8 May 2024 20:22:21 +0100 Subject: [PATCH 207/343] multi: Add atomic start/stop functions. Make sure that each subsystem only starts and stop once. This makes sure we don't close e.g. quit channels twice. --- chanfitness/chaneventstore.go | 24 ++++++++++++++--- htlcswitch/interceptable_switch.go | 20 ++++++++++++++ invoices/invoiceregistry.go | 43 ++++++++++++++++++++++-------- sweep/fee_bumper.go | 23 +++++++++++++--- 4 files changed, 92 insertions(+), 18 deletions(-) diff --git a/chanfitness/chaneventstore.go b/chanfitness/chaneventstore.go index 8a4d6fbfdc..4b1dc1ddd0 100644 --- a/chanfitness/chaneventstore.go +++ b/chanfitness/chaneventstore.go @@ -12,7 +12,9 @@ package chanfitness import ( "errors" + "fmt" "sync" + "sync/atomic" "time" "github.com/btcsuite/btcd/wire" @@ -48,6 +50,9 @@ var ( // ChannelEventStore maintains a set of event logs for the node's channels to // provide insight into the performance and health of channels. type ChannelEventStore struct { + started atomic.Bool + stopped atomic.Bool + cfg *Config // peers tracks all of our currently monitored peers and their channels. @@ -142,7 +147,11 @@ func NewChannelEventStore(config *Config) *ChannelEventStore { // information from the store. If this function fails, it cancels its existing // subscriptions and returns an error. func (c *ChannelEventStore) Start() error { - log.Info("ChannelEventStore starting") + log.Info("ChannelEventStore starting...") + + if c.started.Swap(true) { + return fmt.Errorf("ChannelEventStore started more than once") + } // Create a subscription to channel events. channelClient, err := c.cfg.SubscribeChannelEvents() @@ -198,13 +207,18 @@ func (c *ChannelEventStore) Start() error { cancel: cancel, }) + log.Debug("ChannelEventStore started") + return nil } // Stop terminates all goroutines started by the event store. -func (c *ChannelEventStore) Stop() { +func (c *ChannelEventStore) Stop() error { log.Info("ChannelEventStore shutting down...") - defer log.Debug("ChannelEventStore shutdown complete") + + if c.stopped.Swap(true) { + return fmt.Errorf("ChannelEventStore stopped more than once") + } // Stop the consume goroutine. close(c.quit) @@ -213,6 +227,10 @@ func (c *ChannelEventStore) Stop() { // Stop the ticker after the goroutine reading from it has exited, to // avoid a race. c.cfg.FlapCountTicker.Stop() + + log.Debugf("ChannelEventStore shutdown complete") + + return nil } // addChannel checks whether we are already tracking a channel's peer, creates a diff --git a/htlcswitch/interceptable_switch.go b/htlcswitch/interceptable_switch.go index 62f7c93dd8..144af814ab 100644 --- a/htlcswitch/interceptable_switch.go +++ b/htlcswitch/interceptable_switch.go @@ -4,6 +4,7 @@ import ( "crypto/sha256" "fmt" "sync" + "sync/atomic" "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/chainntnfs" @@ -33,6 +34,9 @@ var ( // Settle - routes UpdateFulfillHTLC to the originating link. // Fail - routes UpdateFailHTLC to the originating link. type InterceptableSwitch struct { + started atomic.Bool + stopped atomic.Bool + // htlcSwitch is the underline switch htlcSwitch *Switch @@ -201,6 +205,12 @@ func (s *InterceptableSwitch) SetInterceptor( } func (s *InterceptableSwitch) Start() error { + log.Info("InterceptableSwitch starting...") + + if s.started.Swap(true) { + return fmt.Errorf("InterceptableSwitch started more than once") + } + blockEpochStream, err := s.notifier.RegisterBlockEpochNtfn(nil) if err != nil { return err @@ -217,15 +227,25 @@ func (s *InterceptableSwitch) Start() error { } }() + log.Debug("InterceptableSwitch started") + return nil } func (s *InterceptableSwitch) Stop() error { + log.Info("InterceptableSwitch shutting down...") + + if s.stopped.Swap(true) { + return fmt.Errorf("InterceptableSwitch stopped more than once") + } + close(s.quit) s.wg.Wait() s.blockEpochStream.Cancel() + log.Debug("InterceptableSwitch shutdown complete") + return nil } diff --git a/invoices/invoiceregistry.go b/invoices/invoiceregistry.go index 4e2748a0f8..c7f845b27b 100644 --- a/invoices/invoiceregistry.go +++ b/invoices/invoiceregistry.go @@ -101,6 +101,9 @@ func (r *htlcReleaseEvent) Less(other queue.PriorityQueueItem) bool { // created by the daemon. The registry is a thin wrapper around a map in order // to ensure that all updates/reads are thread safe. type InvoiceRegistry struct { + started atomic.Bool + stopped atomic.Bool + sync.RWMutex nextClientID uint32 // must be used atomically @@ -213,33 +216,48 @@ func (i *InvoiceRegistry) scanInvoicesOnStart(ctx context.Context) error { // Start starts the registry and all goroutines it needs to carry out its task. func (i *InvoiceRegistry) Start() error { - // Start InvoiceExpiryWatcher and prepopulate it with existing active - // invoices. - err := i.expiryWatcher.Start(func(hash lntypes.Hash, force bool) error { - return i.cancelInvoiceImpl(context.Background(), hash, force) - }) + var err error + + log.Info("InvoiceRegistry starting...") + + if i.started.Swap(true) { + return fmt.Errorf("InvoiceRegistry started more than once") + } + // Start InvoiceExpiryWatcher and prepopulate it with existing + // active invoices. + err = i.expiryWatcher.Start( + func(hash lntypes.Hash, force bool) error { + return i.cancelInvoiceImpl( + context.Background(), hash, force, + ) + }) if err != nil { return err } - log.Info("InvoiceRegistry starting") - i.wg.Add(1) go i.invoiceEventLoop() - // Now scan all pending and removable invoices to the expiry watcher or - // delete them. + // Now scan all pending and removable invoices to the expiry + // watcher or delete them. err = i.scanInvoicesOnStart(context.Background()) if err != nil { _ = i.Stop() - return err } - return nil + log.Debug("InvoiceRegistry started") + + return err } // Stop signals the registry for a graceful shutdown. func (i *InvoiceRegistry) Stop() error { + log.Info("InvoiceRegistry shutting down...") + + if i.stopped.Swap(true) { + return fmt.Errorf("InvoiceRegistry stopped more than once") + } + log.Info("InvoiceRegistry shutting down...") defer log.Debug("InvoiceRegistry shutdown complete") @@ -248,6 +266,9 @@ func (i *InvoiceRegistry) Stop() error { close(i.quit) i.wg.Wait() + + log.Debug("InvoiceRegistry shutdown complete") + return nil } diff --git a/sweep/fee_bumper.go b/sweep/fee_bumper.go index 452cc0dd8c..e59fc5b114 100644 --- a/sweep/fee_bumper.go +++ b/sweep/fee_bumper.go @@ -261,6 +261,9 @@ type TxPublisherConfig struct { // until the tx is confirmed or the fee rate reaches the maximum fee rate // specified by the caller. type TxPublisher struct { + started atomic.Bool + stopped atomic.Bool + wg sync.WaitGroup // cfg specifies the configuration of the TxPublisher. @@ -666,7 +669,10 @@ type monitorRecord struct { // off the monitor loop. func (t *TxPublisher) Start() error { log.Info("TxPublisher starting...") - defer log.Debugf("TxPublisher started") + + if t.started.Swap(true) { + return fmt.Errorf("TxPublisher started more than once") + } blockEvent, err := t.cfg.Notifier.RegisterBlockEpochNtfn(nil) if err != nil { @@ -676,17 +682,26 @@ func (t *TxPublisher) Start() error { t.wg.Add(1) go t.monitor(blockEvent) + log.Debugf("TxPublisher started") + return nil } // Stop stops the publisher and waits for the monitor loop to exit. -func (t *TxPublisher) Stop() { +func (t *TxPublisher) Stop() error { log.Info("TxPublisher stopping...") - defer log.Debugf("TxPublisher stopped") - close(t.quit) + if t.stopped.Swap(true) { + return fmt.Errorf("TxPublisher stopped more than once") + } + close(t.quit) t.wg.Wait() + + log.Debug("TxPublisher stopped") + + return nil + } // monitor is the main loop driven by new blocks. Whevenr a new block arrives, From 653e2f36670477a64351cbe3a4aa223e6ab50107 Mon Sep 17 00:00:00 2001 From: ziggie Date: Wed, 8 May 2024 20:25:49 +0100 Subject: [PATCH 208/343] multi: Allow interrupt of server startup. This commit does two things. It starts up the server in a way that it can be interrupted and shutdown gracefully. Moreover it makes sure that subsystems clean themselves up when they fail to start. This makes sure that depending subsytems can shutdown gracefully as well and the shutdown process is not stuck. --- lnd.go | 28 +++++++++++++-- server.go | 86 ++++++++++++++++++++++----------------------- sweep/fee_bumper.go | 1 - 3 files changed, 68 insertions(+), 47 deletions(-) diff --git a/lnd.go b/lnd.go index 0a85e1bf38..f45b3e630e 100644 --- a/lnd.go +++ b/lnd.go @@ -674,11 +674,33 @@ func Main(cfg *Config, lisCfg ListenerCfg, implCfg *ImplementationCfg, bestHeight) // With all the relevant chains initialized, we can finally start the - // server itself. - if err := server.Start(); err != nil { + // server itself. We start the server in an asynchronous goroutine so + // that we are able to interrupt and shutdown the daemon gracefully in + // case the startup of the subservers do not behave as expected. + errChan := make(chan error) + go func() { + errChan <- server.Start() + }() + + defer func() { + err := server.Stop() + if err != nil { + ltndLog.Warnf("Stopping the server including all "+ + "its subsystems failed with %v", err) + } + }() + + select { + case err := <-errChan: + if err == nil { + break + } + return mkErr("unable to start server: %v", err) + + case <-interceptor.ShutdownChannel(): + return nil } - defer server.Stop() // We transition the server state to Active, as the server is up. interceptorChain.SetServerActive() diff --git a/server.go b/server.go index ce875c2551..8cd0f0b138 100644 --- a/server.go +++ b/server.go @@ -1877,6 +1877,8 @@ func (c cleaner) run() { // Start starts the main daemon server, all requested listeners, and any helper // goroutines. // NOTE: This function is safe for concurrent access. +// +//nolint:funlen func (s *server) Start() error { var startErr error @@ -1886,26 +1888,26 @@ func (s *server) Start() error { cleanup := cleaner{} s.start.Do(func() { + cleanup = cleanup.add(s.customMessageServer.Stop) if err := s.customMessageServer.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.customMessageServer.Stop) if s.hostAnn != nil { + cleanup = cleanup.add(s.hostAnn.Stop) if err := s.hostAnn.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.hostAnn.Stop) } if s.livenessMonitor != nil { + cleanup = cleanup.add(s.livenessMonitor.Stop) if err := s.livenessMonitor.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.livenessMonitor.Stop) } // Start the notification server. This is used so channel @@ -1913,167 +1915,162 @@ func (s *server) Start() error { // transaction reaches a sufficient number of confirmations, or // when the input for the funding transaction is spent in an // attempt at an uncooperative close by the counterparty. + cleanup = cleanup.add(s.sigPool.Stop) if err := s.sigPool.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.sigPool.Stop) + cleanup = cleanup.add(s.writePool.Stop) if err := s.writePool.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.writePool.Stop) + cleanup = cleanup.add(s.readPool.Stop) if err := s.readPool.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.readPool.Stop) + cleanup = cleanup.add(s.cc.ChainNotifier.Stop) if err := s.cc.ChainNotifier.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.cc.ChainNotifier.Stop) + cleanup = cleanup.add(s.cc.BestBlockTracker.Stop) if err := s.cc.BestBlockTracker.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.cc.BestBlockTracker.Stop) + cleanup = cleanup.add(s.channelNotifier.Stop) if err := s.channelNotifier.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.channelNotifier.Stop) + cleanup = cleanup.add(func() error { + return s.peerNotifier.Stop() + }) if err := s.peerNotifier.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(func() error { - return s.peerNotifier.Stop() - }) + + cleanup = cleanup.add(s.htlcNotifier.Stop) if err := s.htlcNotifier.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.htlcNotifier.Stop) if s.towerClientMgr != nil { + cleanup = cleanup.add(s.towerClientMgr.Stop) if err := s.towerClientMgr.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.towerClientMgr.Stop) } + cleanup = cleanup.add(s.txPublisher.Stop) if err := s.txPublisher.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(func() error { - s.txPublisher.Stop() - return nil - }) + cleanup = cleanup.add(s.sweeper.Stop) if err := s.sweeper.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.sweeper.Stop) + cleanup = cleanup.add(s.utxoNursery.Stop) if err := s.utxoNursery.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.utxoNursery.Stop) + cleanup = cleanup.add(s.breachArbitrator.Stop) if err := s.breachArbitrator.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.breachArbitrator.Stop) + cleanup = cleanup.add(s.fundingMgr.Stop) if err := s.fundingMgr.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.fundingMgr.Stop) // htlcSwitch must be started before chainArb since the latter // relies on htlcSwitch to deliver resolution message upon // start. + cleanup = cleanup.add(s.htlcSwitch.Stop) if err := s.htlcSwitch.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.htlcSwitch.Stop) + cleanup = cleanup.add(s.interceptableSwitch.Stop) if err := s.interceptableSwitch.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.interceptableSwitch.Stop) + cleanup = cleanup.add(s.chainArb.Stop) if err := s.chainArb.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.chainArb.Stop) + cleanup = cleanup.add(s.authGossiper.Stop) if err := s.authGossiper.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.authGossiper.Stop) + cleanup = cleanup.add(s.graphBuilder.Stop) if err := s.graphBuilder.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.graphBuilder.Stop) + cleanup = cleanup.add(s.chanRouter.Stop) if err := s.chanRouter.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.chanRouter.Stop) + cleanup = cleanup.add(s.invoices.Stop) if err := s.invoices.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.invoices.Stop) + cleanup = cleanup.add(s.sphinx.Stop) if err := s.sphinx.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.sphinx.Stop) + cleanup = cleanup.add(s.chanStatusMgr.Stop) if err := s.chanStatusMgr.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.chanStatusMgr.Stop) + cleanup = cleanup.add(s.chanEventStore.Stop) if err := s.chanEventStore.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(func() error { - s.chanEventStore.Stop() - return nil - }) - s.missionControl.RunStoreTicker() cleanup.add(func() error { s.missionControl.StopStoreTicker() return nil }) + s.missionControl.RunStoreTicker() // Before we start the connMgr, we'll check to see if we have // any backups to recover. We do this now as we want to ensure @@ -2107,18 +2104,18 @@ func (s *server) Start() error { } } + cleanup = cleanup.add(s.chanSubSwapper.Stop) if err := s.chanSubSwapper.Start(); err != nil { startErr = err return } - cleanup = cleanup.add(s.chanSubSwapper.Stop) if s.torController != nil { + cleanup = cleanup.add(s.torController.Stop) if err := s.createNewHiddenService(); err != nil { startErr = err return } - cleanup = cleanup.add(s.torController.Stop) } if s.natTraversal != nil { @@ -2127,11 +2124,11 @@ func (s *server) Start() error { } // Start connmgr last to prevent connections before init. - s.connMgr.Start() cleanup = cleanup.add(func() error { s.connMgr.Stop() return nil }) + s.connMgr.Start() // If peers are specified as a config option, we'll add those // peers first. @@ -2318,9 +2315,9 @@ func (s *server) Stop() error { if err := s.sweeper.Stop(); err != nil { srvrLog.Warnf("failed to stop sweeper: %v", err) } - - s.txPublisher.Stop() - + if err := s.txPublisher.Stop(); err != nil { + srvrLog.Warnf("failed to stop txPublisher: %v", err) + } if err := s.channelNotifier.Stop(); err != nil { srvrLog.Warnf("failed to stop channelNotifier: %v", err) } @@ -2340,7 +2337,10 @@ func (s *server) Stop() error { srvrLog.Warnf("Unable to stop BestBlockTracker: %v", err) } - s.chanEventStore.Stop() + if err := s.chanEventStore.Stop(); err != nil { + srvrLog.Warnf("Unable to stop ChannelEventStore: %v", + err) + } s.missionControl.StopStoreTicker() // Disconnect from each active peers to ensure that diff --git a/sweep/fee_bumper.go b/sweep/fee_bumper.go index e59fc5b114..1d3fa5aedd 100644 --- a/sweep/fee_bumper.go +++ b/sweep/fee_bumper.go @@ -701,7 +701,6 @@ func (t *TxPublisher) Stop() error { log.Debug("TxPublisher stopped") return nil - } // monitor is the main loop driven by new blocks. Whevenr a new block arrives, From 598d6e23bc6709f6283b52fa4772752ea5a5c10c Mon Sep 17 00:00:00 2001 From: ziggie Date: Tue, 23 Jul 2024 11:36:41 +0200 Subject: [PATCH 209/343] lnd: change startup order of authGossiper. --- server.go | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/server.go b/server.go index 8cd0f0b138..4fb7195189 100644 --- a/server.go +++ b/server.go @@ -2024,12 +2024,6 @@ func (s *server) Start() error { return } - cleanup = cleanup.add(s.authGossiper.Stop) - if err := s.authGossiper.Start(); err != nil { - startErr = err - return - } - cleanup = cleanup.add(s.graphBuilder.Stop) if err := s.graphBuilder.Start(); err != nil { startErr = err @@ -2041,6 +2035,13 @@ func (s *server) Start() error { startErr = err return } + // The authGossiper depends on the chanRouter and therefore + // should be started after it. + cleanup = cleanup.add(s.authGossiper.Stop) + if err := s.authGossiper.Start(); err != nil { + startErr = err + return + } cleanup = cleanup.add(s.invoices.Stop) if err := s.invoices.Start(); err != nil { From e19f89145396315a7483657a6e0c0c8a566150de Mon Sep 17 00:00:00 2001 From: ziggie Date: Tue, 23 Jul 2024 11:54:23 +0200 Subject: [PATCH 210/343] graph: add log lines for stop and start func. --- graph/builder.go | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/graph/builder.go b/graph/builder.go index addec9e1b5..06e86b24bd 100644 --- a/graph/builder.go +++ b/graph/builder.go @@ -300,6 +300,8 @@ func (b *Builder) Start() error { b.wg.Add(1) go b.networkHandler() + log.Debug("Builder started") + return nil } @@ -312,7 +314,6 @@ func (b *Builder) Stop() error { } log.Info("Builder shutting down...") - defer log.Debug("Builder shutdown complete") // Our filtered chain view could've only been started if // AssumeChannelValid isn't present. @@ -325,6 +326,8 @@ func (b *Builder) Stop() error { close(b.quit) b.wg.Wait() + log.Debug("Builder shutdown complete") + return nil } From be4c3dd9e4c1ac79de5c55755ce1171df963dd7d Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 31 Jul 2024 14:11:00 +0200 Subject: [PATCH 211/343] zpay32: enforce a cipher text upper limit To prevent an attacker from causing us to assign a huge in-memory buffer, we place a cap on the maximum cipher text size of a blinded path hop. --- zpay32/blinded_path.go | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/zpay32/blinded_path.go b/zpay32/blinded_path.go index 1f3adb8cea..0c4da57ee4 100644 --- a/zpay32/blinded_path.go +++ b/zpay32/blinded_path.go @@ -4,7 +4,6 @@ import ( "encoding/binary" "fmt" "io" - "math" "github.com/btcsuite/btcd/btcec/v2" sphinx "github.com/lightningnetwork/lightning-onion" @@ -21,6 +20,12 @@ const ( // proposal](https://github.com/lightning/blips/pull/39) for a detailed // calculation. maxNumHopsPerPath = 7 + + // maxCipherTextLength defines the largest cipher text size allowed. + // This is derived by using the `data_length` upper bound of 639 bytes + // and then assuming the case of a path with only a single hop (meaning + // the cipher text may be as large as possible). + maxCipherTextLength = 535 ) var ( @@ -215,6 +220,12 @@ func DecodeBlindedHop(r io.Reader) (*sphinx.BlindedHopInfo, error) { return nil, err } + if dataLen > maxCipherTextLength { + return nil, fmt.Errorf("a blinded hop cipher text blob may "+ + "not exceed the maximum of %d bytes", + maxCipherTextLength) + } + encryptedData := make([]byte, dataLen) _, err = r.Read(encryptedData) if err != nil { @@ -238,9 +249,9 @@ func EncodeBlindedHop(w io.Writer, hop *sphinx.BlindedHopInfo) error { return err } - if len(hop.CipherText) > math.MaxUint16 { + if len(hop.CipherText) > maxCipherTextLength { return fmt.Errorf("encrypted recipient data can not exceed a "+ - "length of %d bytes", math.MaxUint16) + "length of %d bytes", maxCipherTextLength) } err = tlv.WriteVarInt(w, uint64(len(hop.CipherText)), &[8]byte{}) From 02c1264c536f1461da7a324f95981d0eefdea76c Mon Sep 17 00:00:00 2001 From: ziggie Date: Sat, 27 Jul 2024 14:39:46 +0200 Subject: [PATCH 212/343] multi: prevent nil panics in stop methods. With this PR we might call the stop method even when the start method of a subsystem did not successfully finish therefore we need to make sure we guard the stop methods for potential panics if some variables are not initialized in the contructors of the subsystems. --- chainntnfs/bitcoindnotify/bitcoind.go | 7 ++++++- chainntnfs/neutrinonotify/neutrino.go | 7 ++++++- chanfitness/chaneventstore.go | 10 ++++++++-- discovery/gossiper.go | 7 ++++++- htlcswitch/interceptable_switch.go | 6 +++++- htlcswitch/link.go | 14 +++++++++----- invoices/invoiceregistry.go | 10 ++++++++-- lnwallet/chainfee/estimator.go | 4 +++- server.go | 3 +++ tor/controller.go | 4 ++++ 10 files changed, 58 insertions(+), 14 deletions(-) diff --git a/chainntnfs/bitcoindnotify/bitcoind.go b/chainntnfs/bitcoindnotify/bitcoind.go index 2bffefdbef..f0547e4dfb 100644 --- a/chainntnfs/bitcoindnotify/bitcoind.go +++ b/chainntnfs/bitcoindnotify/bitcoind.go @@ -151,7 +151,12 @@ func (b *BitcoindNotifier) Stop() error { close(epochClient.epochChan) } - b.txNotifier.TearDown() + + // The txNotifier is only initialized in the start method therefore we + // need to make sure we don't access a nil pointer here. + if b.txNotifier != nil { + b.txNotifier.TearDown() + } // Stop the mempool notifier. b.memNotifier.TearDown() diff --git a/chainntnfs/neutrinonotify/neutrino.go b/chainntnfs/neutrinonotify/neutrino.go index 80e210c2fd..55d9235779 100644 --- a/chainntnfs/neutrinonotify/neutrino.go +++ b/chainntnfs/neutrinonotify/neutrino.go @@ -152,7 +152,12 @@ func (n *NeutrinoNotifier) Stop() error { close(epochClient.epochChan) } - n.txNotifier.TearDown() + + // The txNotifier is only initialized in the start method therefore we + // need to make sure we don't access a nil pointer here. + if n.txNotifier != nil { + n.txNotifier.TearDown() + } return nil } diff --git a/chanfitness/chaneventstore.go b/chanfitness/chaneventstore.go index 4b1dc1ddd0..29a1df917d 100644 --- a/chanfitness/chaneventstore.go +++ b/chanfitness/chaneventstore.go @@ -226,11 +226,17 @@ func (c *ChannelEventStore) Stop() error { // Stop the ticker after the goroutine reading from it has exited, to // avoid a race. - c.cfg.FlapCountTicker.Stop() + var err error + if c.cfg.FlapCountTicker == nil { + err = fmt.Errorf("ChannelEventStore FlapCountTicker not " + + "initialized") + } else { + c.cfg.FlapCountTicker.Stop() + } log.Debugf("ChannelEventStore shutdown complete") - return nil + return err } // addChannel checks whether we are already tracking a channel's peer, creates a diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 53bfd38c2a..bb0aa652c4 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -753,7 +753,12 @@ func (d *AuthenticatedGossiper) stop() { log.Debug("Authenticated Gossiper is stopping") defer log.Debug("Authenticated Gossiper stopped") - d.blockEpochs.Cancel() + // `blockEpochs` is only initialized in the start routine so we make + // sure we don't panic here in the case where the `Stop` method is + // called when the `Start` method does not complete. + if d.blockEpochs != nil { + d.blockEpochs.Cancel() + } d.syncMgr.Stop() diff --git a/htlcswitch/interceptable_switch.go b/htlcswitch/interceptable_switch.go index 144af814ab..0ac19a36cd 100644 --- a/htlcswitch/interceptable_switch.go +++ b/htlcswitch/interceptable_switch.go @@ -242,7 +242,11 @@ func (s *InterceptableSwitch) Stop() error { close(s.quit) s.wg.Wait() - s.blockEpochStream.Cancel() + // We need to check whether the start routine run and initialized the + // `blockEpochStream`. + if s.blockEpochStream != nil { + s.blockEpochStream.Cancel() + } log.Debug("InterceptableSwitch shutdown complete") diff --git a/htlcswitch/link.go b/htlcswitch/link.go index f39a12b2bc..897449a38d 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -562,14 +562,18 @@ func (l *channelLink) Stop() { } // Ensure the channel for the timer is drained. - if !l.updateFeeTimer.Stop() { - select { - case <-l.updateFeeTimer.C: - default: + if l.updateFeeTimer != nil { + if !l.updateFeeTimer.Stop() { + select { + case <-l.updateFeeTimer.C: + default: + } } } - l.hodlQueue.Stop() + if l.hodlQueue != nil { + l.hodlQueue.Stop() + } close(l.quit) l.wg.Wait() diff --git a/invoices/invoiceregistry.go b/invoices/invoiceregistry.go index c7f845b27b..472c55048e 100644 --- a/invoices/invoiceregistry.go +++ b/invoices/invoiceregistry.go @@ -261,7 +261,13 @@ func (i *InvoiceRegistry) Stop() error { log.Info("InvoiceRegistry shutting down...") defer log.Debug("InvoiceRegistry shutdown complete") - i.expiryWatcher.Stop() + var err error + if i.expiryWatcher == nil { + err = fmt.Errorf("InvoiceRegistry expiryWatcher is not " + + "initialized") + } else { + i.expiryWatcher.Stop() + } close(i.quit) @@ -269,7 +275,7 @@ func (i *InvoiceRegistry) Stop() error { log.Debug("InvoiceRegistry shutdown complete") - return nil + return err } // invoiceEvent represents a new event that has modified on invoice on disk. diff --git a/lnwallet/chainfee/estimator.go b/lnwallet/chainfee/estimator.go index d9a4029649..6f59c3f7f5 100644 --- a/lnwallet/chainfee/estimator.go +++ b/lnwallet/chainfee/estimator.go @@ -884,7 +884,9 @@ func (w *WebAPIEstimator) Stop() error { return nil } - w.updateFeeTicker.Stop() + if w.updateFeeTicker != nil { + w.updateFeeTicker.Stop() + } close(w.quit) w.wg.Wait() diff --git a/server.go b/server.go index 4fb7195189..1569224f6a 100644 --- a/server.go +++ b/server.go @@ -2105,6 +2105,9 @@ func (s *server) Start() error { } } + // chanSubSwapper must be started after the `channelNotifier` + // because it depends on channel events as a synchronization + // point. cleanup = cleanup.add(s.chanSubSwapper.Stop) if err := s.chanSubSwapper.Start(); err != nil { startErr = err diff --git a/tor/controller.go b/tor/controller.go index 47ea6e1294..f997a86973 100644 --- a/tor/controller.go +++ b/tor/controller.go @@ -186,6 +186,10 @@ func (c *Controller) Stop() error { // Reset service ID. c.activeServiceID = "" + if c.conn == nil { + return fmt.Errorf("no connection available to the tor server") + } + return c.conn.Close() } From 0adcb5c316ea93e27cc099ad2c8ce10728db4bf2 Mon Sep 17 00:00:00 2001 From: ziggie Date: Tue, 23 Jul 2024 11:27:50 +0200 Subject: [PATCH 213/343] docs: add release notes for 18.3. --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 5184e9671c..e210821892 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -35,6 +35,10 @@ * [Fixed a bug](https://github.com/lightningnetwork/lnd/pull/8896) that caused LND to use a default fee rate for the batch channel opening flow. + +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8497) a case where LND + would not shut down properly when interrupted via e.g. SIGTERM. Moreover, LND + now shutsdown correctly in case one subsystem fails to startup. * The fee limit for payments [was made compatible](https://github.com/lightningnetwork/lnd/pull/8941) with inbound From 3d48dbdd556e5e74982a59a53e50c2d183a1edd8 Mon Sep 17 00:00:00 2001 From: elbandi Date: Sat, 9 Sep 2023 00:11:46 +0200 Subject: [PATCH 214/343] Allow multiple etcd hosts to be specified in db.etcd.host. --- kvdb/etcd/db.go | 3 ++- kvdb/etcd/fixture.go | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/kvdb/etcd/db.go b/kvdb/etcd/db.go index acdda382b2..03d93c6203 100644 --- a/kvdb/etcd/db.go +++ b/kvdb/etcd/db.go @@ -8,6 +8,7 @@ import ( "fmt" "io" "runtime" + "strings" "sync" "time" @@ -138,7 +139,7 @@ func NewEtcdClient(ctx context.Context, cfg Config) (*clientv3.Client, context.Context, func(), error) { clientCfg := clientv3.Config{ - Endpoints: []string{cfg.Host}, + Endpoints: strings.Split(cfg.Host, ","), DialTimeout: etcdConnectionTimeout, Username: cfg.User, Password: cfg.Pass, diff --git a/kvdb/etcd/fixture.go b/kvdb/etcd/fixture.go index d1ef6cd7b6..b7a697fad4 100644 --- a/kvdb/etcd/fixture.go +++ b/kvdb/etcd/fixture.go @@ -5,6 +5,7 @@ package etcd import ( "context" + "strings" "testing" "time" @@ -49,7 +50,7 @@ func NewEtcdTestFixture(t *testing.T) *EtcdTestFixture { t.Cleanup(etcdCleanup) cli, err := clientv3.New(clientv3.Config{ - Endpoints: []string{config.Host}, + Endpoints: strings.Split(config.Host, ","), Username: config.User, Password: config.Pass, }) From a0ec4f24d6de11c7c23db364a5dfc4d6190db492 Mon Sep 17 00:00:00 2001 From: elbandi Date: Mon, 22 Jul 2024 10:35:14 +0200 Subject: [PATCH 215/343] docs: Add release note item --- docs/release-notes/release-notes-0.18.3.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index c3afe96002..f8f2397025 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -87,6 +87,9 @@ commitment when the channel was force closed. * Commitment fees are now taken into account when [calculating the fee exposure threshold](https://github.com/lightningnetwork/lnd/pull/8824). +* [Allow](https://github.com/lightningnetwork/lnd/pull/8845) multiple etcd hosts + to be specified in db.etcd.host. + ## RPC Updates * [`xImportMissionControl`](https://github.com/lightningnetwork/lnd/pull/8779) From 6043ced5728d1f4a65d8e106cbc7c41cdbb1b618 Mon Sep 17 00:00:00 2001 From: elbandi Date: Wed, 31 Jul 2024 01:13:20 +0200 Subject: [PATCH 216/343] Add configuration description --- kvdb/etcd/config.go | 2 +- sample-lnd.conf | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kvdb/etcd/config.go b/kvdb/etcd/config.go index 76ca264c9c..e8cbaf98c5 100644 --- a/kvdb/etcd/config.go +++ b/kvdb/etcd/config.go @@ -14,7 +14,7 @@ type Config struct { EmbeddedLogFile string `long:"embedded_log_file" description:"Optional log file to use for embedded instance logs. note: use for testing only."` - Host string `long:"host" description:"Etcd database host."` + Host string `long:"host" description:"Etcd database host. Supports multiple hosts separated by a comma."` User string `long:"user" description:"Etcd database user."` diff --git a/sample-lnd.conf b/sample-lnd.conf index e20b5ea8e0..70251ea10f 100644 --- a/sample-lnd.conf +++ b/sample-lnd.conf @@ -1374,7 +1374,7 @@ [etcd] -; Etcd database host. +; Etcd database host. Supports multiple hosts separated by a comma. ; Default: ; db.etcd.host= ; Example: From d7a81a1fe34e9a35c069752a5da5464fdafbae9b Mon Sep 17 00:00:00 2001 From: ffranr Date: Mon, 20 Nov 2023 18:13:01 +0000 Subject: [PATCH 217/343] multi: use Go version 1.22.5 throughout --- .golangci.yml | 2 +- docker/btcd/Dockerfile | 2 +- docs/INSTALL.md | 16 ++++++++-------- lnrpc/Dockerfile | 2 +- 4 files changed, 11 insertions(+), 11 deletions(-) diff --git a/.golangci.yml b/.golangci.yml index 2d6f539c5a..f1b4ea3df5 100644 --- a/.golangci.yml +++ b/.golangci.yml @@ -57,7 +57,7 @@ linters-settings: - G306 # Poor file permissions used when writing to a new file. staticcheck: - go: "1.21" + go: "1.22.5" checks: ["-SA1019"] lll: diff --git a/docker/btcd/Dockerfile b/docker/btcd/Dockerfile index bbea92a543..0a54540c8e 100644 --- a/docker/btcd/Dockerfile +++ b/docker/btcd/Dockerfile @@ -1,4 +1,4 @@ -FROM golang:1.21.0-alpine as builder +FROM golang:1.22.5-alpine as builder LABEL maintainer="Olaoluwa Osuntokun " diff --git a/docs/INSTALL.md b/docs/INSTALL.md index 819e5708a6..3090835f3d 100644 --- a/docs/INSTALL.md +++ b/docs/INSTALL.md @@ -100,16 +100,16 @@ the following commands for your OS: Linux (x86-64) ``` - wget https://dl.google.com/go/go1.22.4.linux-amd64.tar.gz - sha256sum go1.22.4.linux-amd64.tar.gz | awk -F " " '{ print $1 }' + wget https://dl.google.com/go/go1.22.5.linux-amd64.tar.gz + sha256sum go1.22.5.linux-amd64.tar.gz | awk -F " " '{ print $1 }' ``` The final output of the command above should be - `ba79d4526102575196273416239cca418a651e049c2b099f3159db85e7bade7d`. If it + `904b924d435eaea086515bc63235b192ea441bd8c9b198c507e85009e6e4c7f0`. If it isn't, then the target REPO HAS BEEN MODIFIED, and you shouldn't install this version of Go. If it matches, then proceed to install Go: ``` - sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go1.22.4.linux-amd64.tar.gz + sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go1.22.5.linux-amd64.tar.gz export PATH=$PATH:/usr/local/go/bin ```
@@ -118,16 +118,16 @@ the following commands for your OS: Linux (ARMv6) ``` - wget https://dl.google.com/go/go1.22.4.linux-armv6l.tar.gz - sha256sum go1.22.4.linux-armv6l.tar.gz | awk -F " " '{ print $1 }' + wget https://dl.google.com/go/go1.22.5.linux-armv6l.tar.gz + sha256sum go1.22.5.linux-armv6l.tar.gz | awk -F " " '{ print $1 }' ``` The final output of the command above should be - `e2b143fbacbc9cbd448e9ef41ac3981f0488ce849af1cf37e2341d09670661de`. If it + `8c4587cf3e63c9aefbcafa92818c4d9d51683af93ea687bf6c7508d6fa36f85e`. If it isn't, then the target REPO HAS BEEN MODIFIED, and you shouldn't install this version of Go. If it matches, then proceed to install Go: ``` - sudo rm -rf /usr/local/go && tar -C /usr/local -xzf go1.22.4.linux-armv6l.tar.gz + sudo rm -rf /usr/local/go && tar -C /usr/local -xzf go1.22.5.linux-armv6l.tar.gz export PATH=$PATH:/usr/local/go/bin ``` diff --git a/lnrpc/Dockerfile b/lnrpc/Dockerfile index f779cc95cc..207ae694f9 100644 --- a/lnrpc/Dockerfile +++ b/lnrpc/Dockerfile @@ -1,4 +1,4 @@ -FROM golang:1.21.0-bookworm +FROM golang:1.22.5-bookworm RUN apt-get update && apt-get install -y \ git \ From 077e6682fa96f16912f6b650ed54d3d74c4c349d Mon Sep 17 00:00:00 2001 From: ffranr Date: Tue, 30 Jul 2024 00:44:47 +0100 Subject: [PATCH 218/343] Makefile: rename variable to `ACTIVE_GO_VERSION` Renamed the Makefile variable `GO_VERSION` to `ACTIVE_GO_VERSION` for improved clarity. This change also frees up the name `GO_VERSION` to be used for defining the global Go version for reproducible binaries in a subsequent commit. --- Makefile | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 5ea087892e..cb5d43e02c 100644 --- a/Makefile +++ b/Makefile @@ -23,11 +23,12 @@ ANDROID_BUILD := $(ANDROID_BUILD_DIR)/Lndmobile.aar COMMIT := $(shell git describe --tags --dirty) -GO_VERSION := $(shell go version | sed -nre 's/^[^0-9]*(([0-9]+\.)*[0-9]+).*/\1/p') -GO_VERSION_MINOR := $(shell echo $(GO_VERSION) | cut -d. -f2) +# Determine the minor version of the active Go installation. +ACTIVE_GO_VERSION := $(shell go version | sed -nre 's/^[^0-9]*(([0-9]+\.)*[0-9]+).*/\1/p') +ACTIVE_GO_VERSION_MINOR := $(shell echo $(ACTIVE_GO_VERSION) | cut -d. -f2) LOOPVARFIX := -ifeq ($(shell expr $(GO_VERSION_MINOR) \>= 21), 1) +ifeq ($(shell expr $(ACTIVE_GO_VERSION_MINOR) \>= 21), 1) LOOPVARFIX := GOEXPERIMENT=loopvar endif From 4835fdf237255db648ec776b0503ce222f291535 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Mon, 29 Jul 2024 15:14:58 -0700 Subject: [PATCH 219/343] fn: Add new Req type to abstract the pattern of remote processing. It is common throughout the codebase to send data to a remote goroutine for processing. Typically, along with the data we are processing, we also send a one-shot channel where we intend to listen for the response. This type encapsulates that pattern. --- fn/req.go | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 fn/req.go diff --git a/fn/req.go b/fn/req.go new file mode 100644 index 0000000000..0b200b44ec --- /dev/null +++ b/fn/req.go @@ -0,0 +1,34 @@ +package fn + +// Req is a type to encapsulate RPC-like calls wherein we send some data +// structure as a request, as well as a channel to receive the response on where +// the remote goroutine will send the result. +// +// NOTE: This construct should only be used for request/response patterns for +// which there is only a single response for the request. +type Req[Input any, Output any] struct { + // Request is the data we are sending to the remote goroutine for + // processing. + Request Input + + // Response is the channel on which we will receive the result of the + // remote computation. + Response chan<- Output +} + +// NewReq is the base constructor of the Req type. It returns both the packaged +// Req object as well as the receive side of the response channel that we will +// listen on for the response. +func NewReq[Input, Output any](input Input) ( + Req[Input, Output], <-chan Output) { + + // Always buffer the response channel so that the goroutine doing the + // processing job does not block if the original requesting routine + // takes an unreasonably long time to read the response. + responseChan := make(chan Output, 1) + + return Req[Input, Output]{ + Request: input, + Response: responseChan, + }, responseChan +} From 2c6d229a6992c00a283fba392bb047056c747603 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 31 Jul 2024 12:57:07 -0700 Subject: [PATCH 220/343] fn: harden and refine the Req[I,O] API. In this commit we opt to make the internal response channel fully private and instead expose methods for doing resolution. This prevents internal implementation details from leaking a little bit better than the previous iteration. --- fn/req.go | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) diff --git a/fn/req.go b/fn/req.go index 0b200b44ec..5428afd048 100644 --- a/fn/req.go +++ b/fn/req.go @@ -11,9 +11,27 @@ type Req[Input any, Output any] struct { // processing. Request Input - // Response is the channel on which we will receive the result of the + // response is the channel on which we will receive the result of the // remote computation. - Response chan<- Output + response chan<- Output +} + +// Dispatch is a convenience method that lifts a function that transforms the +// Input to the Output type into a full request handling cycle. +func (r *Req[Input, Output]) Dispatch(handler func(Input) Output) { + r.Resolve(handler(r.Request)) +} + +// Resolve is a function that is used to send a value of the Output type back +// to the requesting thread. +func (r *Req[Input, Output]) Resolve(output Output) { + select { + case r.response <- output: + default: + // We do nothing here because the only situation in which this + // case will fire is if the request handler attempts to resolve + // a request more than once which is explicitly forbidden. + } } // NewReq is the base constructor of the Req type. It returns both the packaged @@ -29,6 +47,6 @@ func NewReq[Input, Output any](input Input) ( return Req[Input, Output]{ Request: input, - Response: responseChan, + response: responseChan, }, responseChan } From 04c37344ae37a38060a605dcd924e5130ca01a81 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Apr 2024 15:23:50 -0700 Subject: [PATCH 221/343] lnwallet: refactor channel to use new typed List --- lnwallet/channel.go | 16 ++++++++-------- lnwallet/channel_test.go | 21 ++++++++++----------- lnwallet/commitment_chain.go | 14 +++++++------- lnwallet/update_log.go | 24 ++++++++++++------------ 4 files changed, 37 insertions(+), 38 deletions(-) diff --git a/lnwallet/channel.go b/lnwallet/channel.go index abe8b62766..1605d04a1d 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -2474,7 +2474,7 @@ type htlcView struct { func (lc *LightningChannel) fetchHTLCView(theirLogIndex, ourLogIndex uint64) *htlcView { var ourHTLCs []*PaymentDescriptor for e := lc.localUpdateLog.Front(); e != nil; e = e.Next() { - htlc := e.Value.(*PaymentDescriptor) + htlc := e.Value // This HTLC is active from this point-of-view iff the log // index of the state update is below the specified index in @@ -2486,7 +2486,7 @@ func (lc *LightningChannel) fetchHTLCView(theirLogIndex, ourLogIndex uint64) *ht var theirHTLCs []*PaymentDescriptor for e := lc.remoteUpdateLog.Front(); e != nil; e = e.Next() { - htlc := e.Value.(*PaymentDescriptor) + htlc := e.Value // If this is an incoming HTLC, then it is only active from // this point-of-view if the index of the HTLC addition in @@ -3112,7 +3112,7 @@ func (lc *LightningChannel) createCommitDiff( // set of items we need to retransmit if we reconnect and find that // they didn't process this new state fully. for e := lc.localUpdateLog.Front(); e != nil; e = e.Next() { - pd := e.Value.(*PaymentDescriptor) + pd := e.Value // If this entry wasn't committed at the exact height of this // remote commitment, then we'll skip it as it was already @@ -3250,7 +3250,7 @@ func (lc *LightningChannel) getUnsignedAckedUpdates() []channeldb.LogUpdate { // remote party expects. var logUpdates []channeldb.LogUpdate for e := lc.remoteUpdateLog.Front(); e != nil; e = e.Next() { - pd := e.Value.(*PaymentDescriptor) + pd := e.Value // Skip all remote updates that we have already included in our // commit chain. @@ -5195,7 +5195,7 @@ func (lc *LightningChannel) ReceiveRevocation(revMsg *lnwire.RevokeAndAck) ( var addIndex, settleFailIndex uint16 for e := lc.remoteUpdateLog.Front(); e != nil; e = e.Next() { - pd := e.Value.(*PaymentDescriptor) + pd := e.Value // Fee updates are local to this particular channel, and should // never be forwarded. @@ -5525,7 +5525,7 @@ func (lc *LightningChannel) GetDustSum(remote bool, // Grab all of our HTLCs and evaluate against the dust limit. for e := lc.localUpdateLog.Front(); e != nil; e = e.Next() { - pd := e.Value.(*PaymentDescriptor) + pd := e.Value if pd.EntryType != Add { continue } @@ -5544,7 +5544,7 @@ func (lc *LightningChannel) GetDustSum(remote bool, // Grab all of their HTLCs and evaluate against the dust limit. for e := lc.remoteUpdateLog.Front(); e != nil; e = e.Next() { - pd := e.Value.(*PaymentDescriptor) + pd := e.Value if pd.EntryType != Add { continue } @@ -8545,7 +8545,7 @@ func (lc *LightningChannel) unsignedLocalUpdates(remoteMessageIndex, var localPeerUpdates []channeldb.LogUpdate for e := lc.localUpdateLog.Front(); e != nil; e = e.Next() { - pd := e.Value.(*PaymentDescriptor) + pd := e.Value // We don't save add updates as they are restored from the // remote commitment in restoreStateLogs. diff --git a/lnwallet/channel_test.go b/lnwallet/channel_test.go index 185bdf87a6..ef996ea41d 100644 --- a/lnwallet/channel_test.go +++ b/lnwallet/channel_test.go @@ -2,7 +2,6 @@ package lnwallet import ( "bytes" - "container/list" "crypto/sha256" "fmt" "math/rand" @@ -1906,7 +1905,7 @@ func TestStateUpdatePersistence(t *testing.T) { // Newly generated pkScripts for HTLCs should be the same as in the old channel. for _, entry := range aliceChannel.localUpdateLog.htlcIndex { - htlc := entry.Value.(*PaymentDescriptor) + htlc := entry.Value restoredHtlc := aliceChannelNew.localUpdateLog.lookupHtlc(htlc.HtlcIndex) if !bytes.Equal(htlc.ourPkScript, restoredHtlc.ourPkScript) { t.Fatalf("alice ourPkScript in ourLog: expected %X, got %X", @@ -1918,7 +1917,7 @@ func TestStateUpdatePersistence(t *testing.T) { } } for _, entry := range aliceChannel.remoteUpdateLog.htlcIndex { - htlc := entry.Value.(*PaymentDescriptor) + htlc := entry.Value restoredHtlc := aliceChannelNew.remoteUpdateLog.lookupHtlc(htlc.HtlcIndex) if !bytes.Equal(htlc.ourPkScript, restoredHtlc.ourPkScript) { t.Fatalf("alice ourPkScript in theirLog: expected %X, got %X", @@ -1930,7 +1929,7 @@ func TestStateUpdatePersistence(t *testing.T) { } } for _, entry := range bobChannel.localUpdateLog.htlcIndex { - htlc := entry.Value.(*PaymentDescriptor) + htlc := entry.Value restoredHtlc := bobChannelNew.localUpdateLog.lookupHtlc(htlc.HtlcIndex) if !bytes.Equal(htlc.ourPkScript, restoredHtlc.ourPkScript) { t.Fatalf("bob ourPkScript in ourLog: expected %X, got %X", @@ -1942,7 +1941,7 @@ func TestStateUpdatePersistence(t *testing.T) { } } for _, entry := range bobChannel.remoteUpdateLog.htlcIndex { - htlc := entry.Value.(*PaymentDescriptor) + htlc := entry.Value restoredHtlc := bobChannelNew.remoteUpdateLog.lookupHtlc(htlc.HtlcIndex) if !bytes.Equal(htlc.ourPkScript, restoredHtlc.ourPkScript) { t.Fatalf("bob ourPkScript in theirLog: expected %X, got %X", @@ -4472,7 +4471,7 @@ func TestFeeUpdateOldDiskFormat(t *testing.T) { countLog := func(log *updateLog) (int, int) { var numUpdates, numFee int for e := log.Front(); e != nil; e = e.Next() { - htlc := e.Value.(*PaymentDescriptor) + htlc := e.Value if htlc.EntryType == FeeUpdate { numFee++ } @@ -6755,14 +6754,14 @@ func compareHtlcs(htlc1, htlc2 *PaymentDescriptor) error { } // compareIndexes is a helper method to compare two index maps. -func compareIndexes(a, b map[uint64]*list.Element) error { +func compareIndexes(a, b map[uint64]*fn.Node[*PaymentDescriptor]) error { for k1, e1 := range a { e2, ok := b[k1] if !ok { return fmt.Errorf("element with key %d "+ "not found in b", k1) } - htlc1, htlc2 := e1.Value.(*PaymentDescriptor), e2.Value.(*PaymentDescriptor) + htlc1, htlc2 := e1.Value, e2.Value if err := compareHtlcs(htlc1, htlc2); err != nil { return err } @@ -6774,7 +6773,7 @@ func compareIndexes(a, b map[uint64]*list.Element) error { return fmt.Errorf("element with key %d not "+ "found in a", k1) } - htlc1, htlc2 := e1.Value.(*PaymentDescriptor), e2.Value.(*PaymentDescriptor) + htlc1, htlc2 := e1.Value, e2.Value if err := compareHtlcs(htlc1, htlc2); err != nil { return err } @@ -6809,7 +6808,7 @@ func compareLogs(a, b *updateLog) error { e1, e2 := a.Front(), b.Front() for ; e1 != nil; e1, e2 = e1.Next(), e2.Next() { - htlc1, htlc2 := e1.Value.(*PaymentDescriptor), e2.Value.(*PaymentDescriptor) + htlc1, htlc2 := e1.Value, e2.Value if err := compareHtlcs(htlc1, htlc2); err != nil { return err } @@ -6917,7 +6916,7 @@ func TestChannelRestoreUpdateLogs(t *testing.T) { func fetchNumUpdates(t updateType, log *updateLog) int { num := 0 for e := log.Front(); e != nil; e = e.Next() { - htlc := e.Value.(*PaymentDescriptor) + htlc := e.Value if htlc.EntryType == t { num++ } diff --git a/lnwallet/commitment_chain.go b/lnwallet/commitment_chain.go index 7894e9e3f4..fa2abe0aa2 100644 --- a/lnwallet/commitment_chain.go +++ b/lnwallet/commitment_chain.go @@ -1,6 +1,8 @@ package lnwallet -import "container/list" +import ( + "github.com/lightningnetwork/lnd/fn" +) // commitmentChain represents a chain of unrevoked commitments. The tail of the // chain is the latest fully signed, yet unrevoked commitment. Two chains are @@ -15,13 +17,13 @@ type commitmentChain struct { // commitments are added to the end of the chain with increase height. // Once a commitment transaction is revoked, the tail is incremented, // freeing up the revocation window for new commitments. - commitments *list.List + commitments *fn.List[*commitment] } // newCommitmentChain creates a new commitment chain. func newCommitmentChain() *commitmentChain { return &commitmentChain{ - commitments: list.New(), + commitments: fn.NewList[*commitment](), } } @@ -42,14 +44,12 @@ func (s *commitmentChain) advanceTail() { // tip returns the latest commitment added to the chain. func (s *commitmentChain) tip() *commitment { - //nolint:forcetypeassert - return s.commitments.Back().Value.(*commitment) + return s.commitments.Back().Value } // tail returns the lowest unrevoked commitment transaction in the chain. func (s *commitmentChain) tail() *commitment { - //nolint:forcetypeassert - return s.commitments.Front().Value.(*commitment) + return s.commitments.Front().Value } // hasUnackedCommitment returns true if the commitment chain has more than one diff --git a/lnwallet/update_log.go b/lnwallet/update_log.go index 5cb39ef1ef..80332cfc57 100644 --- a/lnwallet/update_log.go +++ b/lnwallet/update_log.go @@ -1,6 +1,8 @@ package lnwallet -import "container/list" +import ( + "github.com/lightningnetwork/lnd/fn" +) // updateLog is an append-only log that stores updates to a node's commitment // chain. This structure can be seen as the "mempool" within Lightning where @@ -27,16 +29,16 @@ type updateLog struct { // List is the updatelog itself, we embed this value so updateLog has // access to all the method of a list.List. - *list.List + *fn.List[*PaymentDescriptor] // updateIndex maps a `logIndex` to a particular update entry. It // deals with the four update types: // `Fail|MalformedFail|Settle|FeeUpdate` - updateIndex map[uint64]*list.Element + updateIndex map[uint64]*fn.Node[*PaymentDescriptor] // htlcIndex maps a `htlcCounter` to an offered HTLC entry, hence the // `Add` update. - htlcIndex map[uint64]*list.Element + htlcIndex map[uint64]*fn.Node[*PaymentDescriptor] // modifiedHtlcs is a set that keeps track of all the current modified // htlcs, hence update types `Fail|MalformedFail|Settle`. A modified @@ -48,9 +50,9 @@ type updateLog struct { // newUpdateLog creates a new updateLog instance. func newUpdateLog(logIndex, htlcCounter uint64) *updateLog { return &updateLog{ - List: list.New(), - updateIndex: make(map[uint64]*list.Element), - htlcIndex: make(map[uint64]*list.Element), + List: fn.NewList[*PaymentDescriptor](), + updateIndex: make(map[uint64]*fn.Node[*PaymentDescriptor]), + htlcIndex: make(map[uint64]*fn.Node[*PaymentDescriptor]), logIndex: logIndex, htlcCounter: htlcCounter, modifiedHtlcs: make(map[uint64]struct{}), @@ -101,8 +103,7 @@ func (u *updateLog) lookupHtlc(i uint64) *PaymentDescriptor { return nil } - //nolint:forcetypeassert - return htlc.Value.(*PaymentDescriptor) + return htlc.Value } // remove attempts to remove an entry from the update log. If the entry is @@ -145,15 +146,14 @@ func compactLogs(ourLog, theirLog *updateLog, localChainTail, remoteChainTail uint64) { compactLog := func(logA, logB *updateLog) { - var nextA *list.Element + var nextA *fn.Node[*PaymentDescriptor] for e := logA.Front(); e != nil; e = nextA { // Assign next iteration element at top of loop because // we may remove the current element from the list, // which can change the iterated sequence. nextA = e.Next() - //nolint:forcetypeassert - htlc := e.Value.(*PaymentDescriptor) + htlc := e.Value // We skip Adds, as they will be removed along with the // fail/settles below. From 1a5b5c5f62c37c6c68a2cd9ece2a7fabe90c02b0 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 23 Apr 2024 14:10:33 -0700 Subject: [PATCH 222/343] lntypes: Add a ChannelParty type. This commit introduces a ChannelParty type to LND. It is useful for consolidating all references to the duality between the local and remote nodes. This is currently handled by having named struct rows or named boolean parameters, named either "local" or "remote". This change alleviates the programmer from having to decide which node should be bound to `true` or `false`. In an upcoming commit we will change callsites to use this. --- lntypes/channel_party.go | 52 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 lntypes/channel_party.go diff --git a/lntypes/channel_party.go b/lntypes/channel_party.go new file mode 100644 index 0000000000..be800541bd --- /dev/null +++ b/lntypes/channel_party.go @@ -0,0 +1,52 @@ +package lntypes + +import "fmt" + +// ChannelParty is a type used to have an unambiguous description of which node +// is being referred to. This eliminates the need to describe as "local" or +// "remote" using bool. +type ChannelParty uint8 + +const ( + // Local is a ChannelParty constructor that is used to refer to the + // node that is running. + Local ChannelParty = iota + + // Remote is a ChannelParty constructor that is used to refer to the + // node on the other end of the peer connection. + Remote +) + +// String provides a string representation of ChannelParty (useful for logging). +func (p ChannelParty) String() string { + switch p { + case Local: + return "Local" + case Remote: + return "Remote" + default: + panic(fmt.Sprintf("invalid ChannelParty value: %d", p)) + } +} + +// CounterParty inverts the role of the ChannelParty. +func (p ChannelParty) CounterParty() ChannelParty { + switch p { + case Local: + return Remote + case Remote: + return Local + default: + panic(fmt.Sprintf("invalid ChannelParty value: %v", p)) + } +} + +// IsLocal returns true if the ChannelParty is Local. +func (p ChannelParty) IsLocal() bool { + return p == Local +} + +// IsRemote returns true if the ChannelParty is Remote. +func (p ChannelParty) IsRemote() bool { + return p == Remote +} From 3a1508501473f26fe79f63bd91d3d0c40f1fcd5c Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Jul 2024 16:18:09 -0700 Subject: [PATCH 223/343] input+lnwallet: refactor select methods in input to use ChannelParty --- input/script_utils.go | 10 ++++++---- input/size_test.go | 18 ++++++++++-------- input/taproot_test.go | 4 ++-- lnwallet/commitment.go | 8 ++++---- 4 files changed, 22 insertions(+), 18 deletions(-) diff --git a/input/script_utils.go b/input/script_utils.go index 80997eed4d..104c242510 100644 --- a/input/script_utils.go +++ b/input/script_utils.go @@ -13,6 +13,7 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnutils" "golang.org/x/crypto/ripemd160" ) @@ -789,10 +790,10 @@ func senderHtlcTapScriptTree(senderHtlcKey, receiverHtlcKey, // unilaterally spend the created output. func SenderHTLCScriptTaproot(senderHtlcKey, receiverHtlcKey, revokeKey *btcec.PublicKey, payHash []byte, - localCommit bool) (*HtlcScriptTree, error) { + whoseCommit lntypes.ChannelParty) (*HtlcScriptTree, error) { var hType htlcType - if localCommit { + if whoseCommit.IsLocal() { hType = htlcLocalOutgoing } else { hType = htlcRemoteIncoming @@ -1348,10 +1349,11 @@ func receiverHtlcTapScriptTree(senderHtlcKey, receiverHtlcKey, // the tap leaf are returned. func ReceiverHTLCScriptTaproot(cltvExpiry uint32, senderHtlcKey, receiverHtlcKey, revocationKey *btcec.PublicKey, - payHash []byte, ourCommit bool) (*HtlcScriptTree, error) { + payHash []byte, whoseCommit lntypes.ChannelParty, +) (*HtlcScriptTree, error) { var hType htlcType - if ourCommit { + if whoseCommit.IsLocal() { hType = htlcLocalIncoming } else { hType = htlcRemoteOutgoing diff --git a/input/size_test.go b/input/size_test.go index 9c3446afb3..daa7053ccf 100644 --- a/input/size_test.go +++ b/input/size_test.go @@ -13,6 +13,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwallet" "github.com/stretchr/testify/require" ) @@ -1073,7 +1074,7 @@ var witnessSizeTests = []witnessSizeTest{ htlcScriptTree, err := input.SenderHTLCScriptTaproot( senderKey.PubKey(), receiverKey.PubKey(), - revokeKey.PubKey(), payHash[:], false, + revokeKey.PubKey(), payHash[:], lntypes.Remote, ) require.NoError(t, err) @@ -1115,7 +1116,7 @@ var witnessSizeTests = []witnessSizeTest{ htlcScriptTree, err := input.ReceiverHTLCScriptTaproot( testCLTVExpiry, senderKey.PubKey(), receiverKey.PubKey(), revokeKey.PubKey(), - payHash[:], false, + payHash[:], lntypes.Remote, ) require.NoError(t, err) @@ -1157,7 +1158,7 @@ var witnessSizeTests = []witnessSizeTest{ htlcScriptTree, err := input.ReceiverHTLCScriptTaproot( testCLTVExpiry, senderKey.PubKey(), receiverKey.PubKey(), revokeKey.PubKey(), - payHash[:], false, + payHash[:], lntypes.Remote, ) require.NoError(t, err) @@ -1203,7 +1204,7 @@ var witnessSizeTests = []witnessSizeTest{ htlcScriptTree, err := input.SenderHTLCScriptTaproot( senderKey.PubKey(), receiverKey.PubKey(), - revokeKey.PubKey(), payHash[:], false, + revokeKey.PubKey(), payHash[:], lntypes.Remote, ) require.NoError(t, err) @@ -1263,7 +1264,7 @@ var witnessSizeTests = []witnessSizeTest{ htlcScriptTree, err := input.SenderHTLCScriptTaproot( senderKey.PubKey(), receiverKey.PubKey(), - revokeKey.PubKey(), payHash[:], false, + revokeKey.PubKey(), payHash[:], lntypes.Remote, ) require.NoError(t, err) @@ -1309,7 +1310,7 @@ var witnessSizeTests = []witnessSizeTest{ htlcScriptTree, err := input.ReceiverHTLCScriptTaproot( testCLTVExpiry, senderKey.PubKey(), receiverKey.PubKey(), revokeKey.PubKey(), - payHash[:], false, + payHash[:], lntypes.Remote, ) require.NoError(t, err) @@ -1394,7 +1395,8 @@ func genTimeoutTx(t *testing.T, ) if chanType.IsTaproot() { tapscriptTree, err = input.SenderHTLCScriptTaproot( - testPubkey, testPubkey, testPubkey, testHash160, false, + testPubkey, testPubkey, testPubkey, testHash160, + lntypes.Remote, ) require.NoError(t, err) @@ -1463,7 +1465,7 @@ func genSuccessTx(t *testing.T, chanType channeldb.ChannelType) *wire.MsgTx { if chanType.IsTaproot() { tapscriptTree, err = input.ReceiverHTLCScriptTaproot( testCLTVExpiry, testPubkey, testPubkey, testPubkey, - testHash160, false, + testHash160, lntypes.Remote, ) require.NoError(t, err) diff --git a/input/taproot_test.go b/input/taproot_test.go index 801b0fef4d..434be2dfdb 100644 --- a/input/taproot_test.go +++ b/input/taproot_test.go @@ -48,7 +48,7 @@ func newTestSenderHtlcScriptTree(t *testing.T) *testSenderHtlcScriptTree { payHash := preImage.Hash() htlcScriptTree, err := SenderHTLCScriptTaproot( senderKey.PubKey(), receiverKey.PubKey(), revokeKey.PubKey(), - payHash[:], false, + payHash[:], lntypes.Remote, ) require.NoError(t, err) @@ -471,7 +471,7 @@ func newTestReceiverHtlcScriptTree(t *testing.T) *testReceiverHtlcScriptTree { payHash := preImage.Hash() htlcScriptTree, err := ReceiverHTLCScriptTaproot( cltvExpiry, senderKey.PubKey(), receiverKey.PubKey(), - revokeKey.PubKey(), payHash[:], false, + revokeKey.PubKey(), payHash[:], lntypes.Remote, ) require.NoError(t, err) diff --git a/lnwallet/commitment.go b/lnwallet/commitment.go index 96af8d7cf8..1e1140fbcb 100644 --- a/lnwallet/commitment.go +++ b/lnwallet/commitment.go @@ -1095,7 +1095,7 @@ func genTaprootHtlcScript(isIncoming, ourCommit bool, timeout uint32, case isIncoming && ourCommit: htlcScriptTree, err = input.ReceiverHTLCScriptTaproot( timeout, keyRing.RemoteHtlcKey, keyRing.LocalHtlcKey, - keyRing.RevocationKey, rHash[:], ourCommit, + keyRing.RevocationKey, rHash[:], lntypes.Local, ) // We're being paid via an HTLC by the remote party, and the HTLC is @@ -1104,7 +1104,7 @@ func genTaprootHtlcScript(isIncoming, ourCommit bool, timeout uint32, case isIncoming && !ourCommit: htlcScriptTree, err = input.SenderHTLCScriptTaproot( keyRing.RemoteHtlcKey, keyRing.LocalHtlcKey, - keyRing.RevocationKey, rHash[:], ourCommit, + keyRing.RevocationKey, rHash[:], lntypes.Remote, ) // We're sending an HTLC which is being added to our commitment @@ -1113,7 +1113,7 @@ func genTaprootHtlcScript(isIncoming, ourCommit bool, timeout uint32, case !isIncoming && ourCommit: htlcScriptTree, err = input.SenderHTLCScriptTaproot( keyRing.LocalHtlcKey, keyRing.RemoteHtlcKey, - keyRing.RevocationKey, rHash[:], ourCommit, + keyRing.RevocationKey, rHash[:], lntypes.Local, ) // Finally, we're paying the remote party via an HTLC, which is being @@ -1122,7 +1122,7 @@ func genTaprootHtlcScript(isIncoming, ourCommit bool, timeout uint32, case !isIncoming && !ourCommit: htlcScriptTree, err = input.ReceiverHTLCScriptTaproot( timeout, keyRing.LocalHtlcKey, keyRing.RemoteHtlcKey, - keyRing.RevocationKey, rHash[:], ourCommit, + keyRing.RevocationKey, rHash[:], lntypes.Remote, ) } From 33934449ac8b99f0601a35311f3ea3bdfdaf4634 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Jul 2024 16:25:40 -0700 Subject: [PATCH 224/343] multi: refactor select methods within channeldb to use ChannelParty Also in this commit is a small adjustment to the call-sites to get the boundaries stitched back together. --- channeldb/channel.go | 22 ++++++++++++++++------ channeldb/channel_test.go | 19 +++++++++++++------ channeldb/db_test.go | 9 +++++++-- contractcourt/chain_arbitrator_test.go | 7 +++++-- contractcourt/channel_arbitrator.go | 4 ++-- contractcourt/channel_arbitrator_test.go | 4 +++- lnwallet/channel.go | 14 ++++++++++++-- 7 files changed, 58 insertions(+), 21 deletions(-) diff --git a/channeldb/channel.go b/channeldb/channel.go index 046ef8806d..ad02084671 100644 --- a/channeldb/channel.go +++ b/channeldb/channel.go @@ -25,6 +25,7 @@ import ( "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/kvdb" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/shachain" "github.com/lightningnetwork/lnd/tlv" @@ -1690,11 +1691,11 @@ func (c *OpenChannel) isBorked(chanBucket kvdb.RBucket) (bool, error) { // republish this tx at startup to ensure propagation, and we should still // handle the case where a different tx actually hits the chain. func (c *OpenChannel) MarkCommitmentBroadcasted(closeTx *wire.MsgTx, - locallyInitiated bool) error { + closer lntypes.ChannelParty) error { return c.markBroadcasted( ChanStatusCommitBroadcasted, forceCloseTxKey, closeTx, - locallyInitiated, + closer, ) } @@ -1706,11 +1707,11 @@ func (c *OpenChannel) MarkCommitmentBroadcasted(closeTx *wire.MsgTx, // ensure propagation, and we should still handle the case where a different tx // actually hits the chain. func (c *OpenChannel) MarkCoopBroadcasted(closeTx *wire.MsgTx, - locallyInitiated bool) error { + closer lntypes.ChannelParty) error { return c.markBroadcasted( ChanStatusCoopBroadcasted, coopCloseTxKey, closeTx, - locallyInitiated, + closer, ) } @@ -1719,7 +1720,7 @@ func (c *OpenChannel) MarkCoopBroadcasted(closeTx *wire.MsgTx, // which should specify either a coop or force close. It adds a status which // indicates the party that initiated the channel close. func (c *OpenChannel) markBroadcasted(status ChannelStatus, key []byte, - closeTx *wire.MsgTx, locallyInitiated bool) error { + closeTx *wire.MsgTx, closer lntypes.ChannelParty) error { c.Lock() defer c.Unlock() @@ -1741,7 +1742,7 @@ func (c *OpenChannel) markBroadcasted(status ChannelStatus, key []byte, // Add the initiator status to the status provided. These statuses are // set in addition to the broadcast status so that we do not need to // migrate the original logic which does not store initiator. - if locallyInitiated { + if closer.IsLocal() { status |= ChanStatusLocalCloseInitiator } else { status |= ChanStatusRemoteCloseInitiator @@ -4486,6 +4487,15 @@ func NewShutdownInfo(deliveryScript lnwire.DeliveryAddress, } } +// Closer identifies the ChannelParty that initiated the coop-closure process. +func (s ShutdownInfo) Closer() lntypes.ChannelParty { + if s.LocalInitiator.Val { + return lntypes.Local + } + + return lntypes.Remote +} + // encode serialises the ShutdownInfo to the given io.Writer. func (s *ShutdownInfo) encode(w io.Writer) error { records := []tlv.Record{ diff --git a/channeldb/channel_test.go b/channeldb/channel_test.go index 981ddf688b..e630b1c48c 100644 --- a/channeldb/channel_test.go +++ b/channeldb/channel_test.go @@ -21,6 +21,7 @@ import ( "github.com/lightningnetwork/lnd/kvdb" "github.com/lightningnetwork/lnd/lnmock" "github.com/lightningnetwork/lnd/lntest/channels" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/shachain" "github.com/lightningnetwork/lnd/tlv" @@ -1084,13 +1085,17 @@ func TestFetchWaitingCloseChannels(t *testing.T) { }, ) - if err := channel.MarkCommitmentBroadcasted(closeTx, true); err != nil { + if err := channel.MarkCommitmentBroadcasted( + closeTx, lntypes.Local, + ); err != nil { t.Fatalf("unable to mark commitment broadcast: %v", err) } // Now try to marking a coop close with a nil tx. This should // succeed, but it shouldn't exit when queried. - if err = channel.MarkCoopBroadcasted(nil, true); err != nil { + if err = channel.MarkCoopBroadcasted( + nil, lntypes.Local, + ); err != nil { t.Fatalf("unable to mark nil coop broadcast: %v", err) } _, err := channel.BroadcastedCooperative() @@ -1102,7 +1107,9 @@ func TestFetchWaitingCloseChannels(t *testing.T) { // it as coop closed. Later we will test that distinct // transactions are returned for both coop and force closes. closeTx.TxIn[0].PreviousOutPoint.Index ^= 1 - if err := channel.MarkCoopBroadcasted(closeTx, true); err != nil { + if err := channel.MarkCoopBroadcasted( + closeTx, lntypes.Local, + ); err != nil { t.Fatalf("unable to mark coop broadcast: %v", err) } } @@ -1324,7 +1331,7 @@ func TestCloseInitiator(t *testing.T) { // by the local party. updateChannel: func(c *OpenChannel) error { return c.MarkCoopBroadcasted( - &wire.MsgTx{}, true, + &wire.MsgTx{}, lntypes.Local, ) }, expectedStatuses: []ChannelStatus{ @@ -1338,7 +1345,7 @@ func TestCloseInitiator(t *testing.T) { // by the remote party. updateChannel: func(c *OpenChannel) error { return c.MarkCoopBroadcasted( - &wire.MsgTx{}, false, + &wire.MsgTx{}, lntypes.Remote, ) }, expectedStatuses: []ChannelStatus{ @@ -1352,7 +1359,7 @@ func TestCloseInitiator(t *testing.T) { // local initiator. updateChannel: func(c *OpenChannel) error { return c.MarkCommitmentBroadcasted( - &wire.MsgTx{}, true, + &wire.MsgTx{}, lntypes.Local, ) }, expectedStatuses: []ChannelStatus{ diff --git a/channeldb/db_test.go b/channeldb/db_test.go index a954f28284..025bf12616 100644 --- a/channeldb/db_test.go +++ b/channeldb/db_test.go @@ -14,6 +14,7 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/kvdb" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/shachain" "github.com/stretchr/testify/require" @@ -606,7 +607,9 @@ func TestFetchChannels(t *testing.T) { channelIDOption(pendingWaitingChan), ) - err = pendingClosing.MarkCoopBroadcasted(nil, true) + err = pendingClosing.MarkCoopBroadcasted( + nil, lntypes.Local, + ) if err != nil { t.Fatalf("unexpected error: %v", err) } @@ -626,7 +629,9 @@ func TestFetchChannels(t *testing.T) { channelIDOption(openWaitingChan), openChannelOption(), ) - err = openClosing.MarkCoopBroadcasted(nil, true) + err = openClosing.MarkCoopBroadcasted( + nil, lntypes.Local, + ) if err != nil { t.Fatalf("unexpected error: %v", err) } diff --git a/contractcourt/chain_arbitrator_test.go b/contractcourt/chain_arbitrator_test.go index 36f6dad18b..abaca5c2ba 100644 --- a/contractcourt/chain_arbitrator_test.go +++ b/contractcourt/chain_arbitrator_test.go @@ -11,6 +11,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" "github.com/lightningnetwork/lnd/lntest/mock" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwallet" "github.com/stretchr/testify/require" ) @@ -61,12 +62,14 @@ func TestChainArbitratorRepublishCloses(t *testing.T) { for i := 0; i < numChans/2; i++ { closeTx := channels[i].FundingTxn.Copy() closeTx.TxIn[0].PreviousOutPoint = channels[i].FundingOutpoint - err := channels[i].MarkCommitmentBroadcasted(closeTx, true) + err := channels[i].MarkCommitmentBroadcasted( + closeTx, lntypes.Local, + ) if err != nil { t.Fatal(err) } - err = channels[i].MarkCoopBroadcasted(closeTx, true) + err = channels[i].MarkCoopBroadcasted(closeTx, lntypes.Local) if err != nil { t.Fatal(err) } diff --git a/contractcourt/channel_arbitrator.go b/contractcourt/channel_arbitrator.go index 8add61ce6c..cb5cee8720 100644 --- a/contractcourt/channel_arbitrator.go +++ b/contractcourt/channel_arbitrator.go @@ -129,7 +129,7 @@ type ChannelArbitratorConfig struct { // MarkCommitmentBroadcasted should mark the channel as the commitment // being broadcast, and we are waiting for the commitment to confirm. - MarkCommitmentBroadcasted func(*wire.MsgTx, bool) error + MarkCommitmentBroadcasted func(*wire.MsgTx, lntypes.ChannelParty) error // MarkChannelClosed marks the channel closed in the database, with the // passed close summary. After this method successfully returns we can @@ -1084,7 +1084,7 @@ func (c *ChannelArbitrator) stateStep( // database, such that we can re-publish later in case it // didn't propagate. We initiated the force close, so we // mark broadcast with local initiator set to true. - err = c.cfg.MarkCommitmentBroadcasted(closeTx, true) + err = c.cfg.MarkCommitmentBroadcasted(closeTx, lntypes.Local) if err != nil { log.Errorf("ChannelArbitrator(%v): unable to "+ "mark commitment broadcasted: %v", diff --git a/contractcourt/channel_arbitrator_test.go b/contractcourt/channel_arbitrator_test.go index 43238494ef..916cd5f580 100644 --- a/contractcourt/channel_arbitrator_test.go +++ b/contractcourt/channel_arbitrator_test.go @@ -416,7 +416,9 @@ func createTestChannelArbitrator(t *testing.T, log ArbitratorLog, resolvedChan <- struct{}{} return nil }, - MarkCommitmentBroadcasted: func(_ *wire.MsgTx, _ bool) error { + MarkCommitmentBroadcasted: func(_ *wire.MsgTx, + _ lntypes.ChannelParty) error { + return nil }, MarkChannelClosed: func(*channeldb.ChannelCloseSummary, diff --git a/lnwallet/channel.go b/lnwallet/channel.go index abe8b62766..3e2e8cf396 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -8460,7 +8460,12 @@ func (lc *LightningChannel) MarkCommitmentBroadcasted(tx *wire.MsgTx, lc.Lock() defer lc.Unlock() - return lc.channelState.MarkCommitmentBroadcasted(tx, locallyInitiated) + party := lntypes.Remote + if locallyInitiated { + party = lntypes.Local + } + + return lc.channelState.MarkCommitmentBroadcasted(tx, party) } // MarkCoopBroadcasted marks the channel as a cooperative close transaction has @@ -8473,7 +8478,12 @@ func (lc *LightningChannel) MarkCoopBroadcasted(tx *wire.MsgTx, lc.Lock() defer lc.Unlock() - return lc.channelState.MarkCoopBroadcasted(tx, localInitiated) + party := lntypes.Remote + if localInitiated { + party = lntypes.Local + } + + return lc.channelState.MarkCoopBroadcasted(tx, party) } // MarkShutdownSent persists the given ShutdownInfo. The existence of the From 0996e4f1637bbc6bd6e00802b0381d2c7b424148 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Jul 2024 16:44:18 -0700 Subject: [PATCH 225/343] multi: refactor lnwallet/channel.go to use ChannelParty in select places We also include changes to contractcourt, htlcswitch and peer to stitch the boundaries together. --- contractcourt/chain_watcher.go | 5 +- htlcswitch/link.go | 11 +- lnwallet/chancloser/chancloser.go | 16 +- lnwallet/chancloser/chancloser_test.go | 13 +- lnwallet/chancloser/interface.go | 3 +- lnwallet/channel.go | 376 +++++++++++++------------ lnwallet/channel_test.go | 254 ++++++++--------- lnwallet/commitment.go | 78 ++--- lnwallet/wallet.go | 7 +- peer/brontide.go | 7 +- 10 files changed, 409 insertions(+), 361 deletions(-) diff --git a/contractcourt/chain_watcher.go b/contractcourt/chain_watcher.go index 962a239e78..3cbc7422de 100644 --- a/contractcourt/chain_watcher.go +++ b/contractcourt/chain_watcher.go @@ -20,6 +20,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwire" @@ -418,7 +419,7 @@ func (c *chainWatcher) handleUnknownLocalState( // and remote keys for this state. We use our point as only we can // revoke our own commitment. commitKeyRing := lnwallet.DeriveCommitmentKeys( - commitPoint, true, c.cfg.chanState.ChanType, + commitPoint, lntypes.Local, c.cfg.chanState.ChanType, &c.cfg.chanState.LocalChanCfg, &c.cfg.chanState.RemoteChanCfg, ) @@ -891,7 +892,7 @@ func (c *chainWatcher) handlePossibleBreach(commitSpend *chainntnfs.SpendDetail, // Create an AnchorResolution for the breached state. anchorRes, err := lnwallet.NewAnchorResolution( c.cfg.chanState, commitSpend.SpendingTx, retribution.KeyRing, - false, + lntypes.Remote, ) if err != nil { return false, fmt.Errorf("unable to create anchor "+ diff --git a/htlcswitch/link.go b/htlcswitch/link.go index eee18ff598..99df2c2b94 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -2730,7 +2730,12 @@ func (l *channelLink) MayAddOutgoingHtlc(amt lnwire.MilliSatoshi) error { func (l *channelLink) getDustSum(remote bool, dryRunFee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi { - return l.channel.GetDustSum(remote, dryRunFee) + party := lntypes.Local + if remote { + party = lntypes.Remote + } + + return l.channel.GetDustSum(party, dryRunFee) } // getFeeRate is a wrapper method that retrieves the underlying channel's @@ -2893,13 +2898,13 @@ func dustHelper(chantype channeldb.ChannelType, localDustLimit, if localCommit { return lnwallet.HtlcIsDust( - chantype, incoming, true, feerate, amt, + chantype, incoming, lntypes.Local, feerate, amt, localDustLimit, ) } return lnwallet.HtlcIsDust( - chantype, incoming, false, feerate, amt, + chantype, incoming, lntypes.Remote, feerate, amt, remoteDustLimit, ) } diff --git a/lnwallet/chancloser/chancloser.go b/lnwallet/chancloser/chancloser.go index 3f5e730c0c..57033d4b36 100644 --- a/lnwallet/chancloser/chancloser.go +++ b/lnwallet/chancloser/chancloser.go @@ -15,6 +15,7 @@ import ( "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/labels" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" @@ -207,8 +208,8 @@ type ChanCloser struct { // settled channel funds to. remoteDeliveryScript []byte - // locallyInitiated is true if we initiated the channel close. - locallyInitiated bool + // closer is ChannelParty who initiated the coop close + closer lntypes.ChannelParty // cachedClosingSigned is a cached copy of a received ClosingSigned that // we use to handle a specific race condition caused by the independent @@ -267,7 +268,8 @@ func (d *SimpleCoopFeeEstimator) EstimateFee(chanType channeldb.ChannelType, // be populated iff, we're the initiator of this closing request. func NewChanCloser(cfg ChanCloseCfg, deliveryScript []byte, idealFeePerKw chainfee.SatPerKWeight, negotiationHeight uint32, - closeReq *htlcswitch.ChanClose, locallyInitiated bool) *ChanCloser { + closeReq *htlcswitch.ChanClose, + closer lntypes.ChannelParty) *ChanCloser { chanPoint := cfg.Channel.ChannelPoint() cid := lnwire.NewChanIDFromOutPoint(chanPoint) @@ -283,7 +285,7 @@ func NewChanCloser(cfg ChanCloseCfg, deliveryScript []byte, priorFeeOffers: make( map[btcutil.Amount]*lnwire.ClosingSigned, ), - locallyInitiated: locallyInitiated, + closer: closer, } } @@ -366,7 +368,7 @@ func (c *ChanCloser) initChanShutdown() (*lnwire.Shutdown, error) { // message we are about to send in order to ensure that if a // re-establish occurs then we will re-send the same Shutdown message. shutdownInfo := channeldb.NewShutdownInfo( - c.localDeliveryScript, c.locallyInitiated, + c.localDeliveryScript, c.closer.IsLocal(), ) err := c.cfg.Channel.MarkShutdownSent(shutdownInfo) if err != nil { @@ -650,7 +652,7 @@ func (c *ChanCloser) BeginNegotiation() (fn.Option[lnwire.ClosingSigned], // externally consistent, and reflect that the channel is being // shutdown by the time the closing request returns. err := c.cfg.Channel.MarkCoopBroadcasted( - nil, c.locallyInitiated, + nil, c.closer, ) if err != nil { return noClosingSigned, err @@ -861,7 +863,7 @@ func (c *ChanCloser) ReceiveClosingSigned( //nolint:funlen // database, such that it can be republished if something goes // wrong. err = c.cfg.Channel.MarkCoopBroadcasted( - closeTx, c.locallyInitiated, + closeTx, c.closer, ) if err != nil { return noClosing, err diff --git a/lnwallet/chancloser/chancloser_test.go b/lnwallet/chancloser/chancloser_test.go index 1956f0d2b0..9a90d0ab2b 100644 --- a/lnwallet/chancloser/chancloser_test.go +++ b/lnwallet/chancloser/chancloser_test.go @@ -16,6 +16,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" @@ -150,7 +151,9 @@ func (m *mockChannel) ChannelPoint() wire.OutPoint { return m.chanPoint } -func (m *mockChannel) MarkCoopBroadcasted(*wire.MsgTx, bool) error { +func (m *mockChannel) MarkCoopBroadcasted(*wire.MsgTx, + lntypes.ChannelParty) error { + return nil } @@ -338,7 +341,7 @@ func TestMaxFeeClamp(t *testing.T) { Channel: &channel, MaxFee: test.inputMaxFee, FeeEstimator: &SimpleCoopFeeEstimator{}, - }, nil, test.idealFee, 0, nil, false, + }, nil, test.idealFee, 0, nil, lntypes.Remote, ) // We'll call initFeeBaseline early here since we need @@ -379,7 +382,7 @@ func TestMaxFeeBailOut(t *testing.T) { MaxFee: idealFee * 2, } chanCloser := NewChanCloser( - closeCfg, nil, idealFee, 0, nil, false, + closeCfg, nil, idealFee, 0, nil, lntypes.Remote, ) // We'll now force the channel state into the @@ -503,7 +506,7 @@ func TestTaprootFastClose(t *testing.T) { DisableChannel: func(wire.OutPoint) error { return nil }, - }, nil, idealFee, 0, nil, true, + }, nil, idealFee, 0, nil, lntypes.Local, ) aliceCloser.initFeeBaseline() @@ -520,7 +523,7 @@ func TestTaprootFastClose(t *testing.T) { DisableChannel: func(wire.OutPoint) error { return nil }, - }, nil, idealFee, 0, nil, false, + }, nil, idealFee, 0, nil, lntypes.Remote, ) bobCloser.initFeeBaseline() diff --git a/lnwallet/chancloser/interface.go b/lnwallet/chancloser/interface.go index 40b81efb4d..2e9fa98ae8 100644 --- a/lnwallet/chancloser/interface.go +++ b/lnwallet/chancloser/interface.go @@ -7,6 +7,7 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" @@ -33,7 +34,7 @@ type Channel interface { //nolint:interfacebloat // MarkCoopBroadcasted persistently marks that the channel close // transaction has been broadcast. - MarkCoopBroadcasted(*wire.MsgTx, bool) error + MarkCoopBroadcasted(*wire.MsgTx, lntypes.ChannelParty) error // MarkShutdownSent persists the given ShutdownInfo. The existence of // the ShutdownInfo represents the fact that the Shutdown message has diff --git a/lnwallet/channel.go b/lnwallet/channel.go index 3e2e8cf396..afe10b950a 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -271,9 +271,9 @@ type commitment struct { // update number of this commitment. height uint64 - // isOurs indicates whether this is the local or remote node's version - // of the commitment. - isOurs bool + // whoseCommit indicates whether this is the local or remote node's + // version of the commitment. + whoseCommit lntypes.ChannelParty // [our|their]MessageIndex are indexes into the HTLC log, up to which // this commitment transaction includes. These indexes allow both sides @@ -352,8 +352,9 @@ type commitment struct { // massed in is to be retained for each output within the commitment // transition. This ensures that we don't assign multiple HTLCs to the same // index within the commitment transaction. -func locateOutputIndex(p *PaymentDescriptor, tx *wire.MsgTx, ourCommit bool, - dups map[PaymentHash][]int32, cltvs []uint32) (int32, error) { +func locateOutputIndex(p *PaymentDescriptor, tx *wire.MsgTx, + whoseCommit lntypes.ChannelParty, dups map[PaymentHash][]int32, + cltvs []uint32) (int32, error) { // Checks to see if element (e) exists in slice (s). contains := func(s []int32, e int32) bool { @@ -370,7 +371,7 @@ func locateOutputIndex(p *PaymentDescriptor, tx *wire.MsgTx, ourCommit bool, // required as the commitment states are asymmetric in order to ascribe // blame in the case of a contract breach. pkScript := p.theirPkScript - if ourCommit { + if whoseCommit.IsLocal() { pkScript = p.ourPkScript } @@ -418,7 +419,7 @@ func (c *commitment) populateHtlcIndexes(chanType channeldb.ChannelType, // indexes within the commitment view for a particular HTLC. populateIndex := func(htlc *PaymentDescriptor, incoming bool) error { isDust := HtlcIsDust( - chanType, incoming, c.isOurs, c.feePerKw, + chanType, incoming, c.whoseCommit, c.feePerKw, htlc.Amount.ToSatoshis(), c.dustLimit, ) @@ -427,21 +428,21 @@ func (c *commitment) populateHtlcIndexes(chanType channeldb.ChannelType, // If this is our commitment transaction, and this is a dust // output then we mark it as such using a -1 index. - case c.isOurs && isDust: + case c.whoseCommit.IsLocal() && isDust: htlc.localOutputIndex = -1 // If this is the commitment transaction of the remote party, // and this is a dust output then we mark it as such using a -1 // index. - case !c.isOurs && isDust: + case c.whoseCommit.IsRemote() && isDust: htlc.remoteOutputIndex = -1 // If this is our commitment transaction, then we'll need to // locate the output and the index so we can verify an HTLC // signatures. - case c.isOurs: + case c.whoseCommit.IsLocal(): htlc.localOutputIndex, err = locateOutputIndex( - htlc, c.txn, c.isOurs, dups, cltvs, + htlc, c.txn, c.whoseCommit, dups, cltvs, ) if err != nil { return err @@ -460,9 +461,9 @@ func (c *commitment) populateHtlcIndexes(chanType channeldb.ChannelType, // Otherwise, this is there remote party's commitment // transaction and we only need to populate the remote output // index within the HTLC index. - case !c.isOurs: + case c.whoseCommit.IsRemote(): htlc.remoteOutputIndex, err = locateOutputIndex( - htlc, c.txn, c.isOurs, dups, cltvs, + htlc, c.txn, c.whoseCommit, dups, cltvs, ) if err != nil { return err @@ -497,7 +498,9 @@ func (c *commitment) populateHtlcIndexes(chanType channeldb.ChannelType, // toDiskCommit converts the target commitment into a format suitable to be // written to disk after an accepted state transition. -func (c *commitment) toDiskCommit(ourCommit bool) *channeldb.ChannelCommitment { +func (c *commitment) toDiskCommit( + whoseCommit lntypes.ChannelParty) *channeldb.ChannelCommitment { + numHtlcs := len(c.outgoingHTLCs) + len(c.incomingHTLCs) commit := &channeldb.ChannelCommitment{ @@ -517,7 +520,7 @@ func (c *commitment) toDiskCommit(ourCommit bool) *channeldb.ChannelCommitment { for _, htlc := range c.outgoingHTLCs { outputIndex := htlc.localOutputIndex - if !ourCommit { + if whoseCommit.IsRemote() { outputIndex = htlc.remoteOutputIndex } @@ -533,7 +536,7 @@ func (c *commitment) toDiskCommit(ourCommit bool) *channeldb.ChannelCommitment { } copy(h.OnionBlob[:], htlc.OnionBlob) - if ourCommit && htlc.sig != nil { + if whoseCommit.IsLocal() && htlc.sig != nil { h.Signature = htlc.sig.Serialize() } @@ -542,7 +545,7 @@ func (c *commitment) toDiskCommit(ourCommit bool) *channeldb.ChannelCommitment { for _, htlc := range c.incomingHTLCs { outputIndex := htlc.localOutputIndex - if !ourCommit { + if whoseCommit.IsRemote() { outputIndex = htlc.remoteOutputIndex } @@ -557,7 +560,7 @@ func (c *commitment) toDiskCommit(ourCommit bool) *channeldb.ChannelCommitment { BlindingPoint: htlc.BlindingPoint, } copy(h.OnionBlob[:], htlc.OnionBlob) - if ourCommit && htlc.sig != nil { + if whoseCommit.IsLocal() && htlc.sig != nil { h.Signature = htlc.sig.Serialize() } @@ -574,8 +577,8 @@ func (c *commitment) toDiskCommit(ourCommit bool) *channeldb.ChannelCommitment { // restart a channel session. func (lc *LightningChannel) diskHtlcToPayDesc(feeRate chainfee.SatPerKWeight, commitHeight uint64, htlc *channeldb.HTLC, localCommitKeys, - remoteCommitKeys *CommitmentKeyRing, isLocal bool) (PaymentDescriptor, - error) { + remoteCommitKeys *CommitmentKeyRing, whoseCommit lntypes.ChannelParty, +) (PaymentDescriptor, error) { // The proper pkScripts for this PaymentDescriptor must be // generated so we can easily locate them within the commitment @@ -593,13 +596,13 @@ func (lc *LightningChannel) diskHtlcToPayDesc(feeRate chainfee.SatPerKWeight, // transaction. As we'll mark dust with a special output index in the // on-disk state snapshot. isDustLocal := HtlcIsDust( - chanType, htlc.Incoming, true, feeRate, + chanType, htlc.Incoming, lntypes.Local, feeRate, htlc.Amt.ToSatoshis(), lc.channelState.LocalChanCfg.DustLimit, ) if !isDustLocal && localCommitKeys != nil { scriptInfo, err := genHtlcScript( - chanType, htlc.Incoming, true, htlc.RefundTimeout, - htlc.RHash, localCommitKeys, + chanType, htlc.Incoming, lntypes.Local, + htlc.RefundTimeout, htlc.RHash, localCommitKeys, ) if err != nil { return pd, err @@ -608,13 +611,13 @@ func (lc *LightningChannel) diskHtlcToPayDesc(feeRate chainfee.SatPerKWeight, ourWitnessScript = scriptInfo.WitnessScriptToSign() } isDustRemote := HtlcIsDust( - chanType, htlc.Incoming, false, feeRate, + chanType, htlc.Incoming, lntypes.Remote, feeRate, htlc.Amt.ToSatoshis(), lc.channelState.RemoteChanCfg.DustLimit, ) if !isDustRemote && remoteCommitKeys != nil { scriptInfo, err := genHtlcScript( - chanType, htlc.Incoming, false, htlc.RefundTimeout, - htlc.RHash, remoteCommitKeys, + chanType, htlc.Incoming, lntypes.Remote, + htlc.RefundTimeout, htlc.RHash, remoteCommitKeys, ) if err != nil { return pd, err @@ -630,7 +633,7 @@ func (lc *LightningChannel) diskHtlcToPayDesc(feeRate chainfee.SatPerKWeight, localOutputIndex int32 remoteOutputIndex int32 ) - if isLocal { + if whoseCommit.IsLocal() { localOutputIndex = htlc.OutputIndex } else { remoteOutputIndex = htlc.OutputIndex @@ -663,8 +666,8 @@ func (lc *LightningChannel) diskHtlcToPayDesc(feeRate chainfee.SatPerKWeight, // for each side. func (lc *LightningChannel) extractPayDescs(commitHeight uint64, feeRate chainfee.SatPerKWeight, htlcs []channeldb.HTLC, localCommitKeys, - remoteCommitKeys *CommitmentKeyRing, isLocal bool) ([]PaymentDescriptor, - []PaymentDescriptor, error) { + remoteCommitKeys *CommitmentKeyRing, whoseCommit lntypes.ChannelParty, +) ([]PaymentDescriptor, []PaymentDescriptor, error) { var ( incomingHtlcs []PaymentDescriptor @@ -684,7 +687,7 @@ func (lc *LightningChannel) extractPayDescs(commitHeight uint64, payDesc, err := lc.diskHtlcToPayDesc( feeRate, commitHeight, &htlc, localCommitKeys, remoteCommitKeys, - isLocal, + whoseCommit, ) if err != nil { return incomingHtlcs, outgoingHtlcs, err @@ -703,7 +706,8 @@ func (lc *LightningChannel) extractPayDescs(commitHeight uint64, // diskCommitToMemCommit converts the on-disk commitment format to our // in-memory commitment format which is needed in order to properly resume // channel operations after a restart. -func (lc *LightningChannel) diskCommitToMemCommit(isLocal bool, +func (lc *LightningChannel) diskCommitToMemCommit( + whoseCommit lntypes.ChannelParty, diskCommit *channeldb.ChannelCommitment, localCommitPoint, remoteCommitPoint *btcec.PublicKey) (*commitment, error) { @@ -715,14 +719,16 @@ func (lc *LightningChannel) diskCommitToMemCommit(isLocal bool, var localCommitKeys, remoteCommitKeys *CommitmentKeyRing if localCommitPoint != nil { localCommitKeys = DeriveCommitmentKeys( - localCommitPoint, true, lc.channelState.ChanType, + localCommitPoint, lntypes.Local, + lc.channelState.ChanType, &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, ) } if remoteCommitPoint != nil { remoteCommitKeys = DeriveCommitmentKeys( - remoteCommitPoint, false, lc.channelState.ChanType, + remoteCommitPoint, lntypes.Remote, + lc.channelState.ChanType, &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, ) @@ -735,7 +741,7 @@ func (lc *LightningChannel) diskCommitToMemCommit(isLocal bool, diskCommit.CommitHeight, chainfee.SatPerKWeight(diskCommit.FeePerKw), diskCommit.Htlcs, localCommitKeys, remoteCommitKeys, - isLocal, + whoseCommit, ) if err != nil { return nil, err @@ -745,7 +751,7 @@ func (lc *LightningChannel) diskCommitToMemCommit(isLocal bool, // commitment state as it was originally present in memory. commit := &commitment{ height: diskCommit.CommitHeight, - isOurs: isLocal, + whoseCommit: whoseCommit, ourBalance: diskCommit.LocalBalance, theirBalance: diskCommit.RemoteBalance, ourMessageIndex: diskCommit.LocalLogIndex, @@ -759,7 +765,7 @@ func (lc *LightningChannel) diskCommitToMemCommit(isLocal bool, incomingHTLCs: incomingHtlcs, outgoingHTLCs: outgoingHtlcs, } - if isLocal { + if whoseCommit.IsLocal() { commit.dustLimit = lc.channelState.LocalChanCfg.DustLimit } else { commit.dustLimit = lc.channelState.RemoteChanCfg.DustLimit @@ -1102,12 +1108,12 @@ func (lc *LightningChannel) logUpdateToPayDesc(logUpdate *channeldb.LogUpdate, copy(pd.OnionBlob[:], wireMsg.OnionBlob[:]) isDustRemote := HtlcIsDust( - lc.channelState.ChanType, false, false, feeRate, - wireMsg.Amount.ToSatoshis(), remoteDustLimit, + lc.channelState.ChanType, false, lntypes.Remote, + feeRate, wireMsg.Amount.ToSatoshis(), remoteDustLimit, ) if !isDustRemote { scriptInfo, err := genHtlcScript( - lc.channelState.ChanType, false, false, + lc.channelState.ChanType, false, lntypes.Remote, wireMsg.Expiry, wireMsg.PaymentHash, remoteCommitKeys, ) @@ -1400,7 +1406,7 @@ func (lc *LightningChannel) restoreCommitState( // commitment into our in-memory commitment format, inserting it into // the local commitment chain. localCommit, err := lc.diskCommitToMemCommit( - true, localCommitState, localCommitPoint, + lntypes.Local, localCommitState, localCommitPoint, remoteCommitPoint, ) if err != nil { @@ -1413,7 +1419,7 @@ func (lc *LightningChannel) restoreCommitState( // We'll also do the same for the remote commitment chain. remoteCommit, err := lc.diskCommitToMemCommit( - false, remoteCommitState, localCommitPoint, + lntypes.Remote, remoteCommitState, localCommitPoint, remoteCommitPoint, ) if err != nil { @@ -1445,7 +1451,7 @@ func (lc *LightningChannel) restoreCommitState( // corresponding state for the local commitment chain. pendingCommitPoint := lc.channelState.RemoteNextRevocation pendingRemoteCommit, err = lc.diskCommitToMemCommit( - false, &pendingRemoteCommitDiff.Commitment, + lntypes.Remote, &pendingRemoteCommitDiff.Commitment, nil, pendingCommitPoint, ) if err != nil { @@ -1459,8 +1465,10 @@ func (lc *LightningChannel) restoreCommitState( // We'll also re-create the set of commitment keys needed to // fully re-derive the state. pendingRemoteKeyChain = DeriveCommitmentKeys( - pendingCommitPoint, false, lc.channelState.ChanType, - &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, + pendingCommitPoint, lntypes.Remote, + lc.channelState.ChanType, + &lc.channelState.LocalChanCfg, + &lc.channelState.RemoteChanCfg, ) } @@ -1971,7 +1979,7 @@ func NewBreachRetribution(chanState *channeldb.OpenChannel, stateNum uint64, // With the commitment point generated, we can now generate the four // keys we'll need to reconstruct the commitment state, keyRing := DeriveCommitmentKeys( - commitmentPoint, false, chanState.ChanType, + commitmentPoint, lntypes.Remote, chanState.ChanType, &chanState.LocalChanCfg, &chanState.RemoteChanCfg, ) @@ -2174,7 +2182,7 @@ func createHtlcRetribution(chanState *channeldb.OpenChannel, // then from the PoV of the remote commitment state, they're the // receiver of this HTLC. scriptInfo, err := genHtlcScript( - chanState.ChanType, htlc.Incoming, false, + chanState.ChanType, htlc.Incoming, lntypes.Remote, htlc.RefundTimeout, htlc.RHash, keyRing, ) if err != nil { @@ -2377,7 +2385,7 @@ func createBreachRetributionLegacy(revokedLog *channeldb.ChannelCommitment, // If the HTLC is dust, then we'll skip it as it doesn't have // an output on the commitment transaction. if HtlcIsDust( - chanState.ChanType, htlc.Incoming, false, + chanState.ChanType, htlc.Incoming, lntypes.Remote, chainfee.SatPerKWeight(revokedLog.FeePerKw), htlc.Amt.ToSatoshis(), chanState.RemoteChanCfg.DustLimit, @@ -2424,8 +2432,9 @@ func createBreachRetributionLegacy(revokedLog *channeldb.ChannelCommitment, // covenants. Depending on the two bits, we'll either be using a timeout or // success transaction which have different weights. func HtlcIsDust(chanType channeldb.ChannelType, - incoming, ourCommit bool, feePerKw chainfee.SatPerKWeight, - htlcAmt, dustLimit btcutil.Amount) bool { + incoming bool, whoseCommit lntypes.ChannelParty, + feePerKw chainfee.SatPerKWeight, htlcAmt, dustLimit btcutil.Amount, +) bool { // First we'll determine the fee required for this HTLC based on if this is // an incoming HTLC or not, and also on whose commitment transaction it @@ -2435,25 +2444,25 @@ func HtlcIsDust(chanType channeldb.ChannelType, // If this is an incoming HTLC on our commitment transaction, then the // second-level transaction will be a success transaction. - case incoming && ourCommit: + case incoming && whoseCommit.IsLocal(): htlcFee = HtlcSuccessFee(chanType, feePerKw) // If this is an incoming HTLC on their commitment transaction, then // we'll be using a second-level timeout transaction as they've added // this HTLC. - case incoming && !ourCommit: + case incoming && whoseCommit.IsRemote(): htlcFee = HtlcTimeoutFee(chanType, feePerKw) // If this is an outgoing HTLC on our commitment transaction, then // we'll be using a timeout transaction as we're the sender of the // HTLC. - case !incoming && ourCommit: + case !incoming && whoseCommit.IsLocal(): htlcFee = HtlcTimeoutFee(chanType, feePerKw) // If this is an outgoing HTLC on their commitment transaction, then // we'll be using an HTLC success transaction as they're the receiver // of this HTLC. - case !incoming && !ourCommit: + case !incoming && whoseCommit.IsRemote(): htlcFee = HtlcSuccessFee(chanType, feePerKw) } @@ -2508,13 +2517,14 @@ func (lc *LightningChannel) fetchHTLCView(theirLogIndex, ourLogIndex uint64) *ht // both local and remote commitment transactions in order to sign or verify new // commitment updates. A fully populated commitment is returned which reflects // the proper balances for both sides at this point in the commitment chain. -func (lc *LightningChannel) fetchCommitmentView(remoteChain bool, +func (lc *LightningChannel) fetchCommitmentView( + whoseCommitChain lntypes.ChannelParty, ourLogIndex, ourHtlcIndex, theirLogIndex, theirHtlcIndex uint64, keyRing *CommitmentKeyRing) (*commitment, error) { commitChain := lc.localCommitChain dustLimit := lc.channelState.LocalChanCfg.DustLimit - if remoteChain { + if whoseCommitChain.IsRemote() { commitChain = lc.remoteCommitChain dustLimit = lc.channelState.RemoteChanCfg.DustLimit } @@ -2528,7 +2538,8 @@ func (lc *LightningChannel) fetchCommitmentView(remoteChain bool, // initiator. htlcView := lc.fetchHTLCView(theirLogIndex, ourLogIndex) ourBalance, theirBalance, _, filteredHTLCView, err := lc.computeView( - htlcView, remoteChain, true, fn.None[chainfee.SatPerKWeight](), + htlcView, whoseCommitChain, true, + fn.None[chainfee.SatPerKWeight](), ) if err != nil { return nil, err @@ -2537,8 +2548,8 @@ func (lc *LightningChannel) fetchCommitmentView(remoteChain bool, // Actually generate unsigned commitment transaction for this view. commitTx, err := lc.commitBuilder.createUnsignedCommitmentTx( - ourBalance, theirBalance, !remoteChain, feePerKw, nextHeight, - filteredHTLCView, keyRing, + ourBalance, theirBalance, whoseCommitChain, feePerKw, + nextHeight, filteredHTLCView, keyRing, ) if err != nil { return nil, err @@ -2587,7 +2598,7 @@ func (lc *LightningChannel) fetchCommitmentView(remoteChain bool, height: nextHeight, feePerKw: feePerKw, dustLimit: dustLimit, - isOurs: !remoteChain, + whoseCommit: whoseCommitChain, } // In order to ensure _none_ of the HTLC's associated with this new @@ -2635,7 +2646,8 @@ func fundingTxIn(chanState *channeldb.OpenChannel) wire.TxIn { // method. func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, theirBalance *lnwire.MilliSatoshi, nextHeight uint64, - remoteChain, mutateState bool) (*htlcView, error) { + whoseCommitChain lntypes.ChannelParty, mutateState bool, +) (*htlcView, error) { // We initialize the view's fee rate to the fee rate of the unfiltered // view. If any fee updates are found when evaluating the view, it will @@ -2663,8 +2675,8 @@ func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, // Process fee updates, updating the current feePerKw. case FeeUpdate: processFeeUpdate( - entry, nextHeight, remoteChain, mutateState, - newView, + entry, nextHeight, whoseCommitChain, + mutateState, newView, ) continue } @@ -2672,19 +2684,22 @@ func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, // If we're settling an inbound HTLC, and it hasn't been // processed yet, then increment our state tracking the total // number of satoshis we've received within the channel. - if mutateState && entry.EntryType == Settle && !remoteChain && + if mutateState && entry.EntryType == Settle && + whoseCommitChain.IsLocal() && entry.removeCommitHeightLocal == 0 { lc.channelState.TotalMSatReceived += entry.Amount } - addEntry, err := lc.fetchParent(entry, remoteChain, true) + addEntry, err := lc.fetchParent( + entry, whoseCommitChain, lntypes.Remote, + ) if err != nil { return nil, err } skipThem[addEntry.HtlcIndex] = struct{}{} processRemoveEntry(entry, ourBalance, theirBalance, - nextHeight, remoteChain, true, mutateState) + nextHeight, whoseCommitChain, true, mutateState) } for _, entry := range view.theirUpdates { switch entry.EntryType { @@ -2695,8 +2710,8 @@ func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, // Process fee updates, updating the current feePerKw. case FeeUpdate: processFeeUpdate( - entry, nextHeight, remoteChain, mutateState, - newView, + entry, nextHeight, whoseCommitChain, + mutateState, newView, ) continue } @@ -2705,19 +2720,23 @@ func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, // and it hasn't been processed, yet, the increment our state // tracking the total number of satoshis we've sent within the // channel. - if mutateState && entry.EntryType == Settle && !remoteChain && + if mutateState && entry.EntryType == Settle && + whoseCommitChain.IsLocal() && entry.removeCommitHeightLocal == 0 { + lc.channelState.TotalMSatSent += entry.Amount } - addEntry, err := lc.fetchParent(entry, remoteChain, false) + addEntry, err := lc.fetchParent( + entry, whoseCommitChain, lntypes.Local, + ) if err != nil { return nil, err } skipUs[addEntry.HtlcIndex] = struct{}{} processRemoveEntry(entry, ourBalance, theirBalance, - nextHeight, remoteChain, false, mutateState) + nextHeight, whoseCommitChain, false, mutateState) } // Next we take a second pass through all the log entries, skipping any @@ -2730,7 +2749,7 @@ func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, } processAddEntry(entry, ourBalance, theirBalance, nextHeight, - remoteChain, false, mutateState) + whoseCommitChain, false, mutateState) newView.ourUpdates = append(newView.ourUpdates, entry) } for _, entry := range view.theirUpdates { @@ -2740,7 +2759,7 @@ func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, } processAddEntry(entry, ourBalance, theirBalance, nextHeight, - remoteChain, true, mutateState) + whoseCommitChain, true, mutateState) newView.theirUpdates = append(newView.theirUpdates, entry) } @@ -2750,14 +2769,15 @@ func (lc *LightningChannel) evaluateHTLCView(view *htlcView, ourBalance, // fetchParent is a helper that looks up update log parent entries in the // appropriate log. func (lc *LightningChannel) fetchParent(entry *PaymentDescriptor, - remoteChain, remoteLog bool) (*PaymentDescriptor, error) { + whoseCommitChain, whoseUpdateLog lntypes.ChannelParty, +) (*PaymentDescriptor, error) { var ( updateLog *updateLog logName string ) - if remoteLog { + if whoseUpdateLog.IsRemote() { updateLog = lc.remoteUpdateLog logName = "remote" } else { @@ -2781,11 +2801,16 @@ func (lc *LightningChannel) fetchParent(entry *PaymentDescriptor, // The parent add height should never be zero at this point. If // that's the case we probably forgot to send a new commitment. - case remoteChain && addEntry.addCommitHeightRemote == 0: + case whoseCommitChain.IsRemote() && + addEntry.addCommitHeightRemote == 0: + return nil, fmt.Errorf("parent entry %d for update %d "+ "had zero remote add height", entry.ParentIndex, entry.LogIndex) - case !remoteChain && addEntry.addCommitHeightLocal == 0: + + case whoseCommitChain.IsLocal() && + addEntry.addCommitHeightLocal == 0: + return nil, fmt.Errorf("parent entry %d for update %d "+ "had zero local add height", entry.ParentIndex, entry.LogIndex) @@ -2798,15 +2823,16 @@ func (lc *LightningChannel) fetchParent(entry *PaymentDescriptor, // If the HTLC hasn't yet been committed in either chain, then the height it // was committed is updated. Keeping track of this inclusion height allows us to // later compact the log once the change is fully committed in both chains. -func processAddEntry(htlc *PaymentDescriptor, ourBalance, theirBalance *lnwire.MilliSatoshi, - nextHeight uint64, remoteChain bool, isIncoming, mutateState bool) { +func processAddEntry(htlc *PaymentDescriptor, ourBalance, + theirBalance *lnwire.MilliSatoshi, nextHeight uint64, + whoseCommitChain lntypes.ChannelParty, isIncoming, mutateState bool) { // If we're evaluating this entry for the remote chain (to create/view // a new commitment), then we'll may be updating the height this entry // was added to the chain. Otherwise, we may be updating the entry's // height w.r.t the local chain. var addHeight *uint64 - if remoteChain { + if whoseCommitChain.IsRemote() { addHeight = &htlc.addCommitHeightRemote } else { addHeight = &htlc.addCommitHeightLocal @@ -2837,10 +2863,10 @@ func processAddEntry(htlc *PaymentDescriptor, ourBalance, theirBalance *lnwire.M // is skipped. func processRemoveEntry(htlc *PaymentDescriptor, ourBalance, theirBalance *lnwire.MilliSatoshi, nextHeight uint64, - remoteChain bool, isIncoming, mutateState bool) { + whoseCommitChain lntypes.ChannelParty, isIncoming, mutateState bool) { var removeHeight *uint64 - if remoteChain { + if whoseCommitChain.IsRemote() { removeHeight = &htlc.removeCommitHeightRemote } else { removeHeight = &htlc.removeCommitHeightLocal @@ -2885,14 +2911,15 @@ func processRemoveEntry(htlc *PaymentDescriptor, ourBalance, // processFeeUpdate processes a log update that updates the current commitment // fee. func processFeeUpdate(feeUpdate *PaymentDescriptor, nextHeight uint64, - remoteChain bool, mutateState bool, view *htlcView) { + whoseCommitChain lntypes.ChannelParty, mutateState bool, view *htlcView, +) { // Fee updates are applied for all commitments after they are // sent/received, so we consider them being added and removed at the // same height. var addHeight *uint64 var removeHeight *uint64 - if remoteChain { + if whoseCommitChain.IsRemote() { addHeight = &feeUpdate.addCommitHeightRemote removeHeight = &feeUpdate.removeCommitHeightRemote } else { @@ -2945,7 +2972,7 @@ func genRemoteHtlcSigJobs(keyRing *CommitmentKeyRing, // sigJob will be generated and appended to the current batch. for _, htlc := range remoteCommitView.incomingHTLCs { if HtlcIsDust( - chanType, true, false, feePerKw, + chanType, true, lntypes.Remote, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -3014,7 +3041,7 @@ func genRemoteHtlcSigJobs(keyRing *CommitmentKeyRing, } for _, htlc := range remoteCommitView.outgoingHTLCs { if HtlcIsDust( - chanType, false, false, feePerKw, + chanType, false, lntypes.Remote, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -3212,7 +3239,7 @@ func (lc *LightningChannel) createCommitDiff( // With the set of log updates mapped into wire messages, we'll now // convert the in-memory commit into a format suitable for writing to // disk. - diskCommit := newCommit.toDiskCommit(false) + diskCommit := newCommit.toDiskCommit(lntypes.Remote) return &channeldb.CommitDiff{ Commitment: *diskCommit, @@ -3463,12 +3490,13 @@ func (lc *LightningChannel) applyCommitFee( // PaymentDescriptor if we are validating in the state when adding a new HTLC, // or nil otherwise. func (lc *LightningChannel) validateCommitmentSanity(theirLogCounter, - ourLogCounter uint64, remoteChain bool, buffer BufferType, - predictOurAdd, predictTheirAdd *PaymentDescriptor) error { + ourLogCounter uint64, whoseCommitChain lntypes.ChannelParty, + buffer BufferType, predictOurAdd, predictTheirAdd *PaymentDescriptor, +) error { // First fetch the initial balance before applying any updates. commitChain := lc.localCommitChain - if remoteChain { + if whoseCommitChain.IsRemote() { commitChain = lc.remoteCommitChain } ourInitialBalance := commitChain.tip().ourBalance @@ -3488,7 +3516,8 @@ func (lc *LightningChannel) validateCommitmentSanity(theirLogCounter, } ourBalance, theirBalance, commitWeight, filteredView, err := lc.computeView( - view, remoteChain, false, fn.None[chainfee.SatPerKWeight](), + view, whoseCommitChain, false, + fn.None[chainfee.SatPerKWeight](), ) if err != nil { return err @@ -3703,7 +3732,7 @@ func (lc *LightningChannel) SignNextCommitment() (*NewCommitState, error) { // dare to fail hard here. We assume peers can deal with the empty sig // and continue channel operation. We log an error so that the bug // causing this can be tracked down. - if !lc.oweCommitment(true) { + if !lc.oweCommitment(lntypes.Local) { lc.log.Errorf("sending empty commit sig") } @@ -3737,8 +3766,8 @@ func (lc *LightningChannel) SignNextCommitment() (*NewCommitState, error) { // point all updates will have to get locked-in so we enforce the // minimum requirement. err := lc.validateCommitmentSanity( - remoteACKedIndex, lc.localUpdateLog.logIndex, true, NoBuffer, - nil, nil, + remoteACKedIndex, lc.localUpdateLog.logIndex, lntypes.Remote, + NoBuffer, nil, nil, ) if err != nil { return nil, err @@ -3748,7 +3777,7 @@ func (lc *LightningChannel) SignNextCommitment() (*NewCommitState, error) { // used within fetchCommitmentView to derive all the keys necessary to // construct the commitment state. keyRing := DeriveCommitmentKeys( - commitPoint, false, lc.channelState.ChanType, + commitPoint, lntypes.Remote, lc.channelState.ChanType, &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, ) @@ -3760,8 +3789,9 @@ func (lc *LightningChannel) SignNextCommitment() (*NewCommitState, error) { // _all_ of our changes (pending or committed) but only the remote // node's changes up to the last change we've ACK'd. newCommitView, err := lc.fetchCommitmentView( - true, lc.localUpdateLog.logIndex, lc.localUpdateLog.htlcCounter, - remoteACKedIndex, remoteHtlcIndex, keyRing, + lntypes.Remote, lc.localUpdateLog.logIndex, + lc.localUpdateLog.htlcCounter, remoteACKedIndex, + remoteHtlcIndex, keyRing, ) if err != nil { return nil, err @@ -4255,14 +4285,14 @@ func (lc *LightningChannel) ProcessChanSyncMsg( // // If the updateState boolean is set true, the add and remove heights of the // HTLCs will be set to the next commitment height. -func (lc *LightningChannel) computeView(view *htlcView, remoteChain bool, - updateState bool, dryRunFee fn.Option[chainfee.SatPerKWeight]) ( - lnwire.MilliSatoshi, lnwire.MilliSatoshi, lntypes.WeightUnit, - *htlcView, error) { +func (lc *LightningChannel) computeView(view *htlcView, + whoseCommitChain lntypes.ChannelParty, updateState bool, + dryRunFee fn.Option[chainfee.SatPerKWeight]) (lnwire.MilliSatoshi, + lnwire.MilliSatoshi, lntypes.WeightUnit, *htlcView, error) { commitChain := lc.localCommitChain dustLimit := lc.channelState.LocalChanCfg.DustLimit - if remoteChain { + if whoseCommitChain.IsRemote() { commitChain = lc.remoteCommitChain dustLimit = lc.channelState.RemoteChanCfg.DustLimit } @@ -4298,7 +4328,7 @@ func (lc *LightningChannel) computeView(view *htlcView, remoteChain bool, // updates are found in the logs, the commitment fee rate should be // changed, so we'll also set the feePerKw to this new value. filteredHTLCView, err := lc.evaluateHTLCView(view, &ourBalance, - &theirBalance, nextHeight, remoteChain, updateState) + &theirBalance, nextHeight, whoseCommitChain, updateState) if err != nil { return 0, 0, 0, nil, err } @@ -4328,7 +4358,7 @@ func (lc *LightningChannel) computeView(view *htlcView, remoteChain bool, var totalHtlcWeight lntypes.WeightUnit for _, htlc := range filteredHTLCView.ourUpdates { if HtlcIsDust( - lc.channelState.ChanType, false, !remoteChain, + lc.channelState.ChanType, false, whoseCommitChain, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -4339,7 +4369,7 @@ func (lc *LightningChannel) computeView(view *htlcView, remoteChain bool, } for _, htlc := range filteredHTLCView.theirUpdates { if HtlcIsDust( - lc.channelState.ChanType, true, !remoteChain, + lc.channelState.ChanType, true, whoseCommitChain, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -4681,7 +4711,7 @@ func (lc *LightningChannel) ReceiveNewCommitment(commitSigs *CommitSigs) error { // reliable, because it could be that we've sent out a new sig, but the // remote hasn't received it yet. We could then falsely assume that they // should add our updates to their remote commitment tx. - if !lc.oweCommitment(false) { + if !lc.oweCommitment(lntypes.Remote) { lc.log.Warnf("empty commit sig message received") } @@ -4698,8 +4728,8 @@ func (lc *LightningChannel) ReceiveNewCommitment(commitSigs *CommitSigs) error { // the UpdateAddHTLC msg from our peer prior to receiving the // commit-sig). err := lc.validateCommitmentSanity( - lc.remoteUpdateLog.logIndex, localACKedIndex, false, NoBuffer, - nil, nil, + lc.remoteUpdateLog.logIndex, localACKedIndex, lntypes.Local, + NoBuffer, nil, nil, ) if err != nil { return err @@ -4716,7 +4746,7 @@ func (lc *LightningChannel) ReceiveNewCommitment(commitSigs *CommitSigs) error { } commitPoint := input.ComputeCommitmentPoint(commitSecret[:]) keyRing := DeriveCommitmentKeys( - commitPoint, true, lc.channelState.ChanType, + commitPoint, lntypes.Local, lc.channelState.ChanType, &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, ) @@ -4725,7 +4755,7 @@ func (lc *LightningChannel) ReceiveNewCommitment(commitSigs *CommitSigs) error { // we know of in the remote node's HTLC log, but only our local changes // up to the last change the remote node has ACK'd. localCommitmentView, err := lc.fetchCommitmentView( - false, localACKedIndex, localHtlcIndex, + lntypes.Local, localACKedIndex, localHtlcIndex, lc.remoteUpdateLog.logIndex, lc.remoteUpdateLog.htlcCounter, keyRing, ) @@ -4962,11 +4992,11 @@ func (lc *LightningChannel) IsChannelClean() bool { // Now check that both local and remote commitments are signing the // same updates. - if lc.oweCommitment(true) { + if lc.oweCommitment(lntypes.Local) { return false } - if lc.oweCommitment(false) { + if lc.oweCommitment(lntypes.Remote) { return false } @@ -4983,7 +5013,7 @@ func (lc *LightningChannel) OweCommitment() bool { lc.RLock() defer lc.RUnlock() - return lc.oweCommitment(true) + return lc.oweCommitment(lntypes.Local) } // NeedCommitment returns a boolean value reflecting whether we are waiting on @@ -4994,12 +5024,12 @@ func (lc *LightningChannel) NeedCommitment() bool { lc.RLock() defer lc.RUnlock() - return lc.oweCommitment(false) + return lc.oweCommitment(lntypes.Remote) } // oweCommitment is the internal version of OweCommitment. This function expects // to be executed with a lock held. -func (lc *LightningChannel) oweCommitment(local bool) bool { +func (lc *LightningChannel) oweCommitment(issuer lntypes.ChannelParty) bool { var ( remoteUpdatesPending, localUpdatesPending bool @@ -5009,7 +5039,7 @@ func (lc *LightningChannel) oweCommitment(local bool) bool { perspective string ) - if local { + if issuer.IsLocal() { perspective = "local" // There are local updates pending if our local update log is @@ -5091,7 +5121,7 @@ func (lc *LightningChannel) RevokeCurrentCommitment() (*lnwire.RevokeAndAck, // Additionally, generate a channel delta for this state transition for // persistent storage. chainTail := lc.localCommitChain.tail() - newCommitment := chainTail.toDiskCommit(true) + newCommitment := chainTail.toDiskCommit(lntypes.Local) // Get the unsigned acked remotes updates that are currently in memory. // We need them after a restart to sync our remote commitment with what @@ -5501,7 +5531,7 @@ func (lc *LightningChannel) addHTLC(htlc *lnwire.UpdateAddHTLC, // commitment tx. // // NOTE: This over-estimates the dust exposure. -func (lc *LightningChannel) GetDustSum(remote bool, +func (lc *LightningChannel) GetDustSum(whoseCommit lntypes.ChannelParty, dryRunFee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi { lc.RLock() @@ -5511,7 +5541,7 @@ func (lc *LightningChannel) GetDustSum(remote bool, dustLimit := lc.channelState.LocalChanCfg.DustLimit commit := lc.channelState.LocalCommitment - if remote { + if whoseCommit.IsRemote() { // Calculate dust sum on the remote's commitment. dustLimit = lc.channelState.RemoteChanCfg.DustLimit commit = lc.channelState.RemoteCommitment @@ -5535,7 +5565,7 @@ func (lc *LightningChannel) GetDustSum(remote bool, // If the satoshi amount is under the dust limit, add the msat // amount to the dust sum. if HtlcIsDust( - chanType, false, !remote, feeRate, amt, dustLimit, + chanType, false, whoseCommit, feeRate, amt, dustLimit, ) { dustSum += pd.Amount @@ -5554,7 +5584,8 @@ func (lc *LightningChannel) GetDustSum(remote bool, // If the satoshi amount is under the dust limit, add the msat // amount to the dust sum. if HtlcIsDust( - chanType, true, !remote, feeRate, amt, dustLimit, + chanType, true, whoseCommit, feeRate, + amt, dustLimit, ) { dustSum += pd.Amount @@ -5641,7 +5672,7 @@ func (lc *LightningChannel) validateAddHtlc(pd *PaymentDescriptor, // First we'll check whether this HTLC can be added to the remote // commitment transaction without violation any of the constraints. err := lc.validateCommitmentSanity( - remoteACKedIndex, lc.localUpdateLog.logIndex, true, + remoteACKedIndex, lc.localUpdateLog.logIndex, lntypes.Remote, buffer, pd, nil, ) if err != nil { @@ -5655,7 +5686,7 @@ func (lc *LightningChannel) validateAddHtlc(pd *PaymentDescriptor, // possible for us to add the HTLC. err = lc.validateCommitmentSanity( lc.remoteUpdateLog.logIndex, lc.localUpdateLog.logIndex, - false, buffer, pd, nil, + lntypes.Local, buffer, pd, nil, ) if err != nil { return err @@ -5696,8 +5727,8 @@ func (lc *LightningChannel) ReceiveHTLC(htlc *lnwire.UpdateAddHTLC) (uint64, err // we use it here. The current lightning protocol does not allow to // reject ADDs already sent by the peer. err := lc.validateCommitmentSanity( - lc.remoteUpdateLog.logIndex, localACKedIndex, false, NoBuffer, - nil, pd, + lc.remoteUpdateLog.logIndex, localACKedIndex, lntypes.Local, + NoBuffer, nil, pd, ) if err != nil { return 0, err @@ -6195,9 +6226,9 @@ func NewUnilateralCloseSummary(chanState *channeldb.OpenChannel, signer input.Si // First, we'll generate the commitment point and the revocation point // so we can re-construct the HTLC state and also our payment key. - isOurCommit := false + commitType := lntypes.Remote keyRing := DeriveCommitmentKeys( - commitPoint, isOurCommit, chanState.ChanType, + commitPoint, commitType, chanState.ChanType, &chanState.LocalChanCfg, &chanState.RemoteChanCfg, ) @@ -6209,7 +6240,7 @@ func NewUnilateralCloseSummary(chanState *channeldb.OpenChannel, signer input.Si } isRemoteInitiator := !chanState.IsInitiator htlcResolutions, err := extractHtlcResolutions( - chainfee.SatPerKWeight(remoteCommit.FeePerKw), isOurCommit, + chainfee.SatPerKWeight(remoteCommit.FeePerKw), commitType, signer, remoteCommit.Htlcs, keyRing, &chanState.LocalChanCfg, &chanState.RemoteChanCfg, commitSpend.SpendingTx, chanState.ChanType, isRemoteInitiator, leaseExpiry, @@ -6328,7 +6359,7 @@ func NewUnilateralCloseSummary(chanState *channeldb.OpenChannel, signer input.Si } anchorResolution, err := NewAnchorResolution( - chanState, commitTxBroadcast, keyRing, false, + chanState, commitTxBroadcast, keyRing, lntypes.Remote, ) if err != nil { return nil, err @@ -6465,7 +6496,7 @@ func newOutgoingHtlcResolution(signer input.Signer, localChanCfg *channeldb.ChannelConfig, commitTx *wire.MsgTx, htlc *channeldb.HTLC, keyRing *CommitmentKeyRing, feePerKw chainfee.SatPerKWeight, csvDelay, leaseExpiry uint32, - localCommit, isCommitFromInitiator bool, + whoseCommit lntypes.ChannelParty, isCommitFromInitiator bool, chanType channeldb.ChannelType) (*OutgoingHtlcResolution, error) { op := wire.OutPoint{ @@ -6476,7 +6507,7 @@ func newOutgoingHtlcResolution(signer input.Signer, // First, we'll re-generate the script used to send the HTLC to the // remote party within their commitment transaction. htlcScriptInfo, err := genHtlcScript( - chanType, false, localCommit, htlc.RefundTimeout, htlc.RHash, + chanType, false, whoseCommit, htlc.RefundTimeout, htlc.RHash, keyRing, ) if err != nil { @@ -6497,7 +6528,7 @@ func newOutgoingHtlcResolution(signer input.Signer, // If we're spending this HTLC output from the remote node's // commitment, then we won't need to go to the second level as our // outputs don't have a CSV delay. - if !localCommit { + if whoseCommit.IsRemote() { // With the script generated, we can completely populated the // SignDescriptor needed to sweep the output. prevFetcher := txscript.NewCannedPrevOutputFetcher( @@ -6717,7 +6748,8 @@ func newIncomingHtlcResolution(signer input.Signer, localChanCfg *channeldb.ChannelConfig, commitTx *wire.MsgTx, htlc *channeldb.HTLC, keyRing *CommitmentKeyRing, feePerKw chainfee.SatPerKWeight, csvDelay, leaseExpiry uint32, - localCommit, isCommitFromInitiator bool, chanType channeldb.ChannelType) ( + whoseCommit lntypes.ChannelParty, isCommitFromInitiator bool, + chanType channeldb.ChannelType) ( *IncomingHtlcResolution, error) { op := wire.OutPoint{ @@ -6728,7 +6760,7 @@ func newIncomingHtlcResolution(signer input.Signer, // First, we'll re-generate the script the remote party used to // send the HTLC to us in their commitment transaction. scriptInfo, err := genHtlcScript( - chanType, true, localCommit, htlc.RefundTimeout, htlc.RHash, + chanType, true, whoseCommit, htlc.RefundTimeout, htlc.RHash, keyRing, ) if err != nil { @@ -6749,7 +6781,7 @@ func newIncomingHtlcResolution(signer input.Signer, // If we're spending this output from the remote node's commitment, // then we can skip the second layer and spend the output directly. - if !localCommit { + if whoseCommit.IsRemote() { // With the script generated, we can completely populated the // SignDescriptor needed to sweep the output. prevFetcher := txscript.NewCannedPrevOutputFetcher( @@ -6976,8 +7008,9 @@ func (r *OutgoingHtlcResolution) HtlcPoint() wire.OutPoint { // extractHtlcResolutions creates a series of outgoing HTLC resolutions, and // the local key used when generating the HTLC scrips. This function is to be // used in two cases: force close, or a unilateral close. -func extractHtlcResolutions(feePerKw chainfee.SatPerKWeight, ourCommit bool, - signer input.Signer, htlcs []channeldb.HTLC, keyRing *CommitmentKeyRing, +func extractHtlcResolutions(feePerKw chainfee.SatPerKWeight, + whoseCommit lntypes.ChannelParty, signer input.Signer, + htlcs []channeldb.HTLC, keyRing *CommitmentKeyRing, localChanCfg, remoteChanCfg *channeldb.ChannelConfig, commitTx *wire.MsgTx, chanType channeldb.ChannelType, isCommitFromInitiator bool, leaseExpiry uint32) (*HtlcResolutions, error) { @@ -6985,7 +7018,7 @@ func extractHtlcResolutions(feePerKw chainfee.SatPerKWeight, ourCommit bool, // TODO(roasbeef): don't need to swap csv delay? dustLimit := remoteChanCfg.DustLimit csvDelay := remoteChanCfg.CsvDelay - if ourCommit { + if whoseCommit.IsLocal() { dustLimit = localChanCfg.DustLimit csvDelay = localChanCfg.CsvDelay } @@ -6999,7 +7032,7 @@ func extractHtlcResolutions(feePerKw chainfee.SatPerKWeight, ourCommit bool, // transaction, as these don't have a corresponding output // within the commitment transaction. if HtlcIsDust( - chanType, htlc.Incoming, ourCommit, feePerKw, + chanType, htlc.Incoming, whoseCommit, feePerKw, htlc.Amt.ToSatoshis(), dustLimit, ) { @@ -7014,7 +7047,7 @@ func extractHtlcResolutions(feePerKw chainfee.SatPerKWeight, ourCommit bool, ihr, err := newIncomingHtlcResolution( signer, localChanCfg, commitTx, &htlc, keyRing, feePerKw, uint32(csvDelay), leaseExpiry, - ourCommit, isCommitFromInitiator, chanType, + whoseCommit, isCommitFromInitiator, chanType, ) if err != nil { return nil, fmt.Errorf("incoming resolution "+ @@ -7027,7 +7060,7 @@ func extractHtlcResolutions(feePerKw chainfee.SatPerKWeight, ourCommit bool, ohr, err := newOutgoingHtlcResolution( signer, localChanCfg, commitTx, &htlc, keyRing, - feePerKw, uint32(csvDelay), leaseExpiry, ourCommit, + feePerKw, uint32(csvDelay), leaseExpiry, whoseCommit, isCommitFromInitiator, chanType, ) if err != nil { @@ -7163,7 +7196,7 @@ func NewLocalForceCloseSummary(chanState *channeldb.OpenChannel, } commitPoint := input.ComputeCommitmentPoint(revocation[:]) keyRing := DeriveCommitmentKeys( - commitPoint, true, chanState.ChanType, + commitPoint, lntypes.Local, chanState.ChanType, &chanState.LocalChanCfg, &chanState.RemoteChanCfg, ) @@ -7261,8 +7294,8 @@ func NewLocalForceCloseSummary(chanState *channeldb.OpenChannel, // use what we have in our latest state when extracting resolutions. localCommit := chanState.LocalCommitment htlcResolutions, err := extractHtlcResolutions( - chainfee.SatPerKWeight(localCommit.FeePerKw), true, signer, - localCommit.Htlcs, keyRing, &chanState.LocalChanCfg, + chainfee.SatPerKWeight(localCommit.FeePerKw), lntypes.Local, + signer, localCommit.Htlcs, keyRing, &chanState.LocalChanCfg, &chanState.RemoteChanCfg, commitTx, chanState.ChanType, chanState.IsInitiator, leaseExpiry, ) @@ -7271,7 +7304,7 @@ func NewLocalForceCloseSummary(chanState *channeldb.OpenChannel, } anchorResolution, err := NewAnchorResolution( - chanState, commitTx, keyRing, true, + chanState, commitTx, keyRing, lntypes.Local, ) if err != nil { return nil, fmt.Errorf("unable to gen anchor "+ @@ -7561,12 +7594,12 @@ func (lc *LightningChannel) NewAnchorResolutions() (*AnchorResolutions, } localCommitPoint := input.ComputeCommitmentPoint(revocation[:]) localKeyRing := DeriveCommitmentKeys( - localCommitPoint, true, lc.channelState.ChanType, + localCommitPoint, lntypes.Local, lc.channelState.ChanType, &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, ) localRes, err := NewAnchorResolution( lc.channelState, lc.channelState.LocalCommitment.CommitTx, - localKeyRing, true, + localKeyRing, lntypes.Local, ) if err != nil { return nil, err @@ -7575,13 +7608,13 @@ func (lc *LightningChannel) NewAnchorResolutions() (*AnchorResolutions, // Add anchor for remote commitment tx, if any. remoteKeyRing := DeriveCommitmentKeys( - lc.channelState.RemoteCurrentRevocation, false, + lc.channelState.RemoteCurrentRevocation, lntypes.Remote, lc.channelState.ChanType, &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, ) remoteRes, err := NewAnchorResolution( lc.channelState, lc.channelState.RemoteCommitment.CommitTx, - remoteKeyRing, false, + remoteKeyRing, lntypes.Remote, ) if err != nil { return nil, err @@ -7596,14 +7629,14 @@ func (lc *LightningChannel) NewAnchorResolutions() (*AnchorResolutions, if remotePendingCommit != nil { pendingRemoteKeyRing := DeriveCommitmentKeys( - lc.channelState.RemoteNextRevocation, false, + lc.channelState.RemoteNextRevocation, lntypes.Remote, lc.channelState.ChanType, &lc.channelState.LocalChanCfg, &lc.channelState.RemoteChanCfg, ) remotePendingRes, err := NewAnchorResolution( lc.channelState, remotePendingCommit.Commitment.CommitTx, - pendingRemoteKeyRing, false, + pendingRemoteKeyRing, lntypes.Remote, ) if err != nil { return nil, err @@ -7618,7 +7651,7 @@ func (lc *LightningChannel) NewAnchorResolutions() (*AnchorResolutions, // local anchor. func NewAnchorResolution(chanState *channeldb.OpenChannel, commitTx *wire.MsgTx, keyRing *CommitmentKeyRing, - isLocalCommit bool) (*AnchorResolution, error) { + whoseCommit lntypes.ChannelParty) (*AnchorResolution, error) { // Return nil resolution if the channel has no anchors. if !chanState.ChanType.HasAnchors() { @@ -7636,7 +7669,7 @@ func NewAnchorResolution(chanState *channeldb.OpenChannel, if err != nil { return nil, err } - if chanState.ChanType.IsTaproot() && !isLocalCommit { + if chanState.ChanType.IsTaproot() && whoseCommit.IsRemote() { //nolint:ineffassign localAnchor, remoteAnchor = remoteAnchor, localAnchor } @@ -7690,7 +7723,7 @@ func NewAnchorResolution(chanState *channeldb.OpenChannel, // For anchor outputs with taproot channels, the key desc is // also different: we'll just re-use our local delay base point // (which becomes our to local output). - if isLocalCommit { + if whoseCommit.IsLocal() { // In addition to the sign method, we'll also need to // ensure that the single tweak is set, as with the // current formulation, we'll need to use two levels of @@ -7777,12 +7810,12 @@ func (lc *LightningChannel) availableBalance( // add updates concurrently, causing our balance to go down if we're // the initiator, but this is a problem on the protocol level. ourLocalCommitBalance, commitWeight := lc.availableCommitmentBalance( - htlcView, false, buffer, + htlcView, lntypes.Local, buffer, ) // Do the same calculation from the remote commitment point of view. ourRemoteCommitBalance, _ := lc.availableCommitmentBalance( - htlcView, true, buffer, + htlcView, lntypes.Remote, buffer, ) // Return which ever balance is lowest. @@ -7800,15 +7833,16 @@ func (lc *LightningChannel) availableBalance( // commitment, increasing the commitment fee we must pay as an initiator, // eating into our balance. It will make sure we won't violate the channel // reserve constraints for this amount. -func (lc *LightningChannel) availableCommitmentBalance( - view *htlcView, remoteChain bool, - buffer BufferType) (lnwire.MilliSatoshi, lntypes.WeightUnit) { +func (lc *LightningChannel) availableCommitmentBalance(view *htlcView, + whoseCommitChain lntypes.ChannelParty, buffer BufferType) ( + lnwire.MilliSatoshi, lntypes.WeightUnit) { // Compute the current balances for this commitment. This will take // into account HTLCs to determine the commit weight, which the // initiator must pay the fee for. ourBalance, theirBalance, commitWeight, filteredView, err := lc.computeView( - view, remoteChain, false, fn.None[chainfee.SatPerKWeight](), + view, whoseCommitChain, false, + fn.None[chainfee.SatPerKWeight](), ) if err != nil { lc.log.Errorf("Unable to fetch available balance: %v", err) @@ -7894,7 +7928,7 @@ func (lc *LightningChannel) availableCommitmentBalance( // If we are looking at the remote commitment, we must use the remote // dust limit and the fee for adding an HTLC success transaction. - if remoteChain { + if whoseCommitChain.IsRemote() { dustlimit = lnwire.NewMSatFromSatoshis( lc.channelState.RemoteChanCfg.DustLimit, ) @@ -8031,7 +8065,7 @@ func (lc *LightningChannel) CommitFeeTotalAt( // Compute the local commitment's weight. _, _, localWeight, _, err := lc.computeView( - localHtlcView, false, false, dryRunFee, + localHtlcView, lntypes.Local, false, dryRunFee, ) if err != nil { return 0, 0, err @@ -8045,7 +8079,7 @@ func (lc *LightningChannel) CommitFeeTotalAt( // Compute the remote commitment's weight. _, _, remoteWeight, _, err := lc.computeView( - remoteHtlcView, true, false, dryRunFee, + remoteHtlcView, lntypes.Remote, false, dryRunFee, ) if err != nil { return 0, 0, err @@ -8455,17 +8489,12 @@ func (lc *LightningChannel) MarkBorked() error { // for it to confirm before taking any further action. It takes a boolean which // indicates whether we initiated the close. func (lc *LightningChannel) MarkCommitmentBroadcasted(tx *wire.MsgTx, - locallyInitiated bool) error { + closer lntypes.ChannelParty) error { lc.Lock() defer lc.Unlock() - party := lntypes.Remote - if locallyInitiated { - party = lntypes.Local - } - - return lc.channelState.MarkCommitmentBroadcasted(tx, party) + return lc.channelState.MarkCommitmentBroadcasted(tx, closer) } // MarkCoopBroadcasted marks the channel as a cooperative close transaction has @@ -8473,17 +8502,12 @@ func (lc *LightningChannel) MarkCommitmentBroadcasted(tx *wire.MsgTx, // taking any further action. It takes a locally initiated bool which is true // if we initiated the cooperative close. func (lc *LightningChannel) MarkCoopBroadcasted(tx *wire.MsgTx, - localInitiated bool) error { + closer lntypes.ChannelParty) error { lc.Lock() defer lc.Unlock() - party := lntypes.Remote - if localInitiated { - party = lntypes.Local - } - - return lc.channelState.MarkCoopBroadcasted(tx, party) + return lc.channelState.MarkCoopBroadcasted(tx, closer) } // MarkShutdownSent persists the given ShutdownInfo. The existence of the diff --git a/lnwallet/channel_test.go b/lnwallet/channel_test.go index 185bdf87a6..330d8d130e 100644 --- a/lnwallet/channel_test.go +++ b/lnwallet/channel_test.go @@ -5196,7 +5196,7 @@ func TestChanCommitWeightDustHtlcs(t *testing.T) { lc.localUpdateLog.logIndex) _, w := lc.availableCommitmentBalance( - htlcView, true, FeeBuffer, + htlcView, lntypes.Remote, FeeBuffer, ) return w @@ -7985,11 +7985,11 @@ func TestChannelFeeRateFloor(t *testing.T) { // TestFetchParent tests lookup of an entry's parent in the appropriate log. func TestFetchParent(t *testing.T) { tests := []struct { - name string - remoteChain bool - remoteLog bool - localEntries []*PaymentDescriptor - remoteEntries []*PaymentDescriptor + name string + whoseCommitChain lntypes.ChannelParty + whoseUpdateLog lntypes.ChannelParty + localEntries []*PaymentDescriptor + remoteEntries []*PaymentDescriptor // parentIndex is the parent index of the entry that we will // lookup with fetch parent. @@ -8003,22 +8003,22 @@ func TestFetchParent(t *testing.T) { expectedIndex uint64 }{ { - name: "not found in remote log", - localEntries: nil, - remoteEntries: nil, - remoteChain: true, - remoteLog: true, - parentIndex: 0, - expectErr: true, + name: "not found in remote log", + localEntries: nil, + remoteEntries: nil, + whoseCommitChain: lntypes.Remote, + whoseUpdateLog: lntypes.Remote, + parentIndex: 0, + expectErr: true, }, { - name: "not found in local log", - localEntries: nil, - remoteEntries: nil, - remoteChain: false, - remoteLog: false, - parentIndex: 0, - expectErr: true, + name: "not found in local log", + localEntries: nil, + remoteEntries: nil, + whoseCommitChain: lntypes.Local, + whoseUpdateLog: lntypes.Local, + parentIndex: 0, + expectErr: true, }, { name: "remote log + chain, remote add height 0", @@ -8038,10 +8038,10 @@ func TestFetchParent(t *testing.T) { addCommitHeightRemote: 0, }, }, - remoteChain: true, - remoteLog: true, - parentIndex: 1, - expectErr: true, + whoseCommitChain: lntypes.Remote, + whoseUpdateLog: lntypes.Remote, + parentIndex: 1, + expectErr: true, }, { name: "remote log, local chain, local add height 0", @@ -8060,11 +8060,11 @@ func TestFetchParent(t *testing.T) { addCommitHeightRemote: 100, }, }, - localEntries: nil, - remoteChain: false, - remoteLog: true, - parentIndex: 1, - expectErr: true, + localEntries: nil, + whoseCommitChain: lntypes.Local, + whoseUpdateLog: lntypes.Remote, + parentIndex: 1, + expectErr: true, }, { name: "local log + chain, local add height 0", @@ -8083,11 +8083,11 @@ func TestFetchParent(t *testing.T) { addCommitHeightRemote: 100, }, }, - remoteEntries: nil, - remoteChain: false, - remoteLog: false, - parentIndex: 1, - expectErr: true, + remoteEntries: nil, + whoseCommitChain: lntypes.Local, + whoseUpdateLog: lntypes.Local, + parentIndex: 1, + expectErr: true, }, { @@ -8107,11 +8107,11 @@ func TestFetchParent(t *testing.T) { addCommitHeightRemote: 0, }, }, - remoteEntries: nil, - remoteChain: true, - remoteLog: false, - parentIndex: 1, - expectErr: true, + remoteEntries: nil, + whoseCommitChain: lntypes.Remote, + whoseUpdateLog: lntypes.Local, + parentIndex: 1, + expectErr: true, }, { name: "remote log found", @@ -8131,11 +8131,11 @@ func TestFetchParent(t *testing.T) { addCommitHeightRemote: 100, }, }, - remoteChain: true, - remoteLog: true, - parentIndex: 1, - expectErr: false, - expectedIndex: 2, + whoseCommitChain: lntypes.Remote, + whoseUpdateLog: lntypes.Remote, + parentIndex: 1, + expectErr: false, + expectedIndex: 2, }, { name: "local log found", @@ -8154,12 +8154,12 @@ func TestFetchParent(t *testing.T) { addCommitHeightRemote: 100, }, }, - remoteEntries: nil, - remoteChain: false, - remoteLog: false, - parentIndex: 1, - expectErr: false, - expectedIndex: 2, + remoteEntries: nil, + whoseCommitChain: lntypes.Local, + whoseUpdateLog: lntypes.Local, + parentIndex: 1, + expectErr: false, + expectedIndex: 2, }, } @@ -8186,8 +8186,8 @@ func TestFetchParent(t *testing.T) { &PaymentDescriptor{ ParentIndex: test.parentIndex, }, - test.remoteChain, - test.remoteLog, + test.whoseCommitChain, + test.whoseUpdateLog, ) gotErr := err != nil if test.expectErr != gotErr { @@ -8245,11 +8245,11 @@ func TestEvaluateView(t *testing.T) { ) tests := []struct { - name string - ourHtlcs []*PaymentDescriptor - theirHtlcs []*PaymentDescriptor - remoteChain bool - mutateState bool + name string + ourHtlcs []*PaymentDescriptor + theirHtlcs []*PaymentDescriptor + whoseCommitChain lntypes.ChannelParty + mutateState bool // ourExpectedHtlcs is the set of our htlcs that we expect in // the htlc view once it has been evaluated. We just store @@ -8276,9 +8276,9 @@ func TestEvaluateView(t *testing.T) { expectSent lnwire.MilliSatoshi }{ { - name: "our fee update is applied", - remoteChain: false, - mutateState: false, + name: "our fee update is applied", + whoseCommitChain: lntypes.Local, + mutateState: false, ourHtlcs: []*PaymentDescriptor{ { Amount: ourFeeUpdateAmt, @@ -8293,10 +8293,10 @@ func TestEvaluateView(t *testing.T) { expectSent: 0, }, { - name: "their fee update is applied", - remoteChain: false, - mutateState: false, - ourHtlcs: []*PaymentDescriptor{}, + name: "their fee update is applied", + whoseCommitChain: lntypes.Local, + mutateState: false, + ourHtlcs: []*PaymentDescriptor{}, theirHtlcs: []*PaymentDescriptor{ { Amount: theirFeeUpdateAmt, @@ -8311,9 +8311,9 @@ func TestEvaluateView(t *testing.T) { }, { // We expect unresolved htlcs to to remain in the view. - name: "htlcs adds without settles", - remoteChain: false, - mutateState: false, + name: "htlcs adds without settles", + whoseCommitChain: lntypes.Local, + mutateState: false, ourHtlcs: []*PaymentDescriptor{ { HtlcIndex: 0, @@ -8345,9 +8345,9 @@ func TestEvaluateView(t *testing.T) { expectSent: 0, }, { - name: "our htlc settled, state mutated", - remoteChain: false, - mutateState: true, + name: "our htlc settled, state mutated", + whoseCommitChain: lntypes.Local, + mutateState: true, ourHtlcs: []*PaymentDescriptor{ { HtlcIndex: 0, @@ -8380,9 +8380,9 @@ func TestEvaluateView(t *testing.T) { expectSent: htlcAddAmount, }, { - name: "our htlc settled, state not mutated", - remoteChain: false, - mutateState: false, + name: "our htlc settled, state not mutated", + whoseCommitChain: lntypes.Local, + mutateState: false, ourHtlcs: []*PaymentDescriptor{ { HtlcIndex: 0, @@ -8415,9 +8415,9 @@ func TestEvaluateView(t *testing.T) { expectSent: 0, }, { - name: "their htlc settled, state mutated", - remoteChain: false, - mutateState: true, + name: "their htlc settled, state mutated", + whoseCommitChain: lntypes.Local, + mutateState: true, ourHtlcs: []*PaymentDescriptor{ { HtlcIndex: 0, @@ -8458,9 +8458,10 @@ func TestEvaluateView(t *testing.T) { expectSent: 0, }, { - name: "their htlc settled, state not mutated", - remoteChain: false, - mutateState: false, + name: "their htlc settled, state not mutated", + + whoseCommitChain: lntypes.Local, + mutateState: false, ourHtlcs: []*PaymentDescriptor{ { HtlcIndex: 0, @@ -8543,7 +8544,7 @@ func TestEvaluateView(t *testing.T) { // Evaluate the htlc view, mutate as test expects. result, err := lc.evaluateHTLCView( view, &ourBalance, &theirBalance, nextHeight, - test.remoteChain, test.mutateState, + test.whoseCommitChain, test.mutateState, ) if err != nil { t.Fatalf("unexpected error: %v", err) @@ -8631,12 +8632,12 @@ func TestProcessFeeUpdate(t *testing.T) { ) tests := []struct { - name string - startHeights heights - expectedHeights heights - remoteChain bool - mutate bool - expectedFee chainfee.SatPerKWeight + name string + startHeights heights + expectedHeights heights + whoseCommitChain lntypes.ChannelParty + mutate bool + expectedFee chainfee.SatPerKWeight }{ { // Looking at local chain, local add is non-zero so @@ -8654,9 +8655,9 @@ func TestProcessFeeUpdate(t *testing.T) { remoteAdd: 0, remoteRemove: height, }, - remoteChain: false, - mutate: false, - expectedFee: feePerKw, + whoseCommitChain: lntypes.Local, + mutate: false, + expectedFee: feePerKw, }, { // Looking at local chain, local add is zero so the @@ -8675,9 +8676,9 @@ func TestProcessFeeUpdate(t *testing.T) { remoteAdd: height, remoteRemove: 0, }, - remoteChain: false, - mutate: false, - expectedFee: ourFeeUpdatePerSat, + whoseCommitChain: lntypes.Local, + mutate: false, + expectedFee: ourFeeUpdatePerSat, }, { // Looking at remote chain, the remote add height is @@ -8696,9 +8697,9 @@ func TestProcessFeeUpdate(t *testing.T) { remoteAdd: 0, remoteRemove: 0, }, - remoteChain: true, - mutate: false, - expectedFee: ourFeeUpdatePerSat, + whoseCommitChain: lntypes.Remote, + mutate: false, + expectedFee: ourFeeUpdatePerSat, }, { // Looking at remote chain, the remote add height is @@ -8717,9 +8718,9 @@ func TestProcessFeeUpdate(t *testing.T) { remoteAdd: height, remoteRemove: 0, }, - remoteChain: true, - mutate: false, - expectedFee: feePerKw, + whoseCommitChain: lntypes.Remote, + mutate: false, + expectedFee: feePerKw, }, { // Local add height is non-zero, so the update has @@ -8738,9 +8739,9 @@ func TestProcessFeeUpdate(t *testing.T) { remoteAdd: 0, remoteRemove: height, }, - remoteChain: false, - mutate: true, - expectedFee: feePerKw, + whoseCommitChain: lntypes.Local, + mutate: true, + expectedFee: feePerKw, }, { // Local add is zero and we are looking at our local @@ -8760,9 +8761,9 @@ func TestProcessFeeUpdate(t *testing.T) { remoteAdd: 0, remoteRemove: 0, }, - remoteChain: false, - mutate: true, - expectedFee: ourFeeUpdatePerSat, + whoseCommitChain: lntypes.Local, + mutate: true, + expectedFee: ourFeeUpdatePerSat, }, } @@ -8786,7 +8787,7 @@ func TestProcessFeeUpdate(t *testing.T) { feePerKw: chainfee.SatPerKWeight(feePerKw), } processFeeUpdate( - update, nextHeight, test.remoteChain, + update, nextHeight, test.whoseCommitChain, test.mutate, view, ) @@ -8841,7 +8842,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { tests := []struct { name string startHeights heights - remoteChain bool + whoseCommitChain lntypes.ChannelParty isIncoming bool mutateState bool ourExpectedBalance lnwire.MilliSatoshi @@ -8857,7 +8858,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: false, mutateState: false, ourExpectedBalance: startBalance, @@ -8878,7 +8879,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: false, + whoseCommitChain: lntypes.Local, isIncoming: false, mutateState: false, ourExpectedBalance: startBalance, @@ -8899,7 +8900,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: false, + whoseCommitChain: lntypes.Local, isIncoming: true, mutateState: false, ourExpectedBalance: startBalance, @@ -8920,7 +8921,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: false, + whoseCommitChain: lntypes.Local, isIncoming: true, mutateState: true, ourExpectedBalance: startBalance, @@ -8942,7 +8943,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: false, mutateState: false, ourExpectedBalance: startBalance - updateAmount, @@ -8963,7 +8964,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: false, mutateState: true, ourExpectedBalance: startBalance - updateAmount, @@ -8984,7 +8985,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: removeHeight, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: false, mutateState: false, ourExpectedBalance: startBalance, @@ -9005,7 +9006,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: removeHeight, remoteRemove: 0, }, - remoteChain: false, + whoseCommitChain: lntypes.Local, isIncoming: false, mutateState: false, ourExpectedBalance: startBalance, @@ -9028,7 +9029,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: true, mutateState: false, ourExpectedBalance: startBalance + updateAmount, @@ -9051,7 +9052,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: false, mutateState: false, ourExpectedBalance: startBalance, @@ -9074,7 +9075,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: true, mutateState: false, ourExpectedBalance: startBalance, @@ -9097,7 +9098,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: false, mutateState: false, ourExpectedBalance: startBalance + updateAmount, @@ -9122,7 +9123,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: false, + whoseCommitChain: lntypes.Local, isIncoming: true, mutateState: true, ourExpectedBalance: startBalance + updateAmount, @@ -9147,7 +9148,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { localRemove: 0, remoteRemove: 0, }, - remoteChain: true, + whoseCommitChain: lntypes.Remote, isIncoming: true, mutateState: true, ourExpectedBalance: startBalance + updateAmount, @@ -9196,7 +9197,7 @@ func TestProcessAddRemoveEntry(t *testing.T) { process( update, &ourBalance, &theirBalance, nextHeight, - test.remoteChain, test.isIncoming, + test.whoseCommitChain, test.isIncoming, test.mutateState, ) @@ -9752,11 +9753,11 @@ func testGetDustSum(t *testing.T, chantype channeldb.ChannelType) { expRemote lnwire.MilliSatoshi) { localDustSum := c.GetDustSum( - false, fn.None[chainfee.SatPerKWeight](), + lntypes.Local, fn.None[chainfee.SatPerKWeight](), ) require.Equal(t, expLocal, localDustSum) remoteDustSum := c.GetDustSum( - true, fn.None[chainfee.SatPerKWeight](), + lntypes.Remote, fn.None[chainfee.SatPerKWeight](), ) require.Equal(t, expRemote, remoteDustSum) } @@ -9910,8 +9911,9 @@ func deriveDummyRetributionParams(chanState *channeldb.OpenChannel) (uint32, config := chanState.RemoteChanCfg commitHash := chanState.RemoteCommitment.CommitTx.TxHash() keyRing := DeriveCommitmentKeys( - config.RevocationBasePoint.PubKey, false, chanState.ChanType, - &chanState.LocalChanCfg, &chanState.RemoteChanCfg, + config.RevocationBasePoint.PubKey, lntypes.Remote, + chanState.ChanType, &chanState.LocalChanCfg, + &chanState.RemoteChanCfg, ) leaseExpiry := chanState.ThawHeight return leaseExpiry, keyRing, commitHash @@ -10378,7 +10380,7 @@ func TestExtractPayDescs(t *testing.T) { // NOTE: we use nil commitment key rings to avoid checking the htlc // scripts(`genHtlcScript`) as it should be tested independently. incomingPDs, outgoingPDs, err := lnChan.extractPayDescs( - 0, 0, htlcs, nil, nil, true, + 0, 0, htlcs, nil, nil, lntypes.Local, ) require.NoError(t, err) diff --git a/lnwallet/commitment.go b/lnwallet/commitment.go index 1e1140fbcb..2cf58f494e 100644 --- a/lnwallet/commitment.go +++ b/lnwallet/commitment.go @@ -103,7 +103,7 @@ type CommitmentKeyRing struct { // of channel, and whether the commitment transaction is ours or the remote // peer's. func DeriveCommitmentKeys(commitPoint *btcec.PublicKey, - isOurCommit bool, chanType channeldb.ChannelType, + whoseCommit lntypes.ChannelParty, chanType channeldb.ChannelType, localChanCfg, remoteChanCfg *channeldb.ChannelConfig) *CommitmentKeyRing { tweaklessCommit := chanType.IsTweakless() @@ -111,7 +111,7 @@ func DeriveCommitmentKeys(commitPoint *btcec.PublicKey, // Depending on if this is our commit or not, we'll choose the correct // base point. localBasePoint := localChanCfg.PaymentBasePoint - if isOurCommit { + if whoseCommit.IsLocal() { localBasePoint = localChanCfg.DelayBasePoint } @@ -144,7 +144,7 @@ func DeriveCommitmentKeys(commitPoint *btcec.PublicKey, toRemoteBasePoint *btcec.PublicKey revocationBasePoint *btcec.PublicKey ) - if isOurCommit { + if whoseCommit.IsLocal() { toLocalBasePoint = localChanCfg.DelayBasePoint.PubKey toRemoteBasePoint = remoteChanCfg.PaymentBasePoint.PubKey revocationBasePoint = remoteChanCfg.RevocationBasePoint.PubKey @@ -169,7 +169,7 @@ func DeriveCommitmentKeys(commitPoint *btcec.PublicKey, // If this is not our commitment, the above ToRemoteKey will be // ours, and we blank out the local commitment tweak to // indicate that the key should not be tweaked when signing. - if !isOurCommit { + if whoseCommit.IsRemote() { keyRing.LocalCommitKeyTweak = nil } } else { @@ -686,20 +686,20 @@ type unsignedCommitmentTx struct { // passed in balances should be balances *before* subtracting any commitment // fees, but after anchor outputs. func (cb *CommitmentBuilder) createUnsignedCommitmentTx(ourBalance, - theirBalance lnwire.MilliSatoshi, isOurs bool, + theirBalance lnwire.MilliSatoshi, whoseCommit lntypes.ChannelParty, feePerKw chainfee.SatPerKWeight, height uint64, filteredHTLCView *htlcView, keyRing *CommitmentKeyRing) (*unsignedCommitmentTx, error) { dustLimit := cb.chanState.LocalChanCfg.DustLimit - if !isOurs { + if whoseCommit.IsRemote() { dustLimit = cb.chanState.RemoteChanCfg.DustLimit } numHTLCs := int64(0) for _, htlc := range filteredHTLCView.ourUpdates { if HtlcIsDust( - cb.chanState.ChanType, false, isOurs, feePerKw, + cb.chanState.ChanType, false, whoseCommit, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -710,7 +710,7 @@ func (cb *CommitmentBuilder) createUnsignedCommitmentTx(ourBalance, } for _, htlc := range filteredHTLCView.theirUpdates { if HtlcIsDust( - cb.chanState.ChanType, true, isOurs, feePerKw, + cb.chanState.ChanType, true, whoseCommit, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -763,7 +763,7 @@ func (cb *CommitmentBuilder) createUnsignedCommitmentTx(ourBalance, if cb.chanState.ChanType.HasLeaseExpiration() { leaseExpiry = cb.chanState.ThawHeight } - if isOurs { + if whoseCommit.IsLocal() { commitTx, err = CreateCommitTx( cb.chanState.ChanType, fundingTxIn(cb.chanState), keyRing, &cb.chanState.LocalChanCfg, &cb.chanState.RemoteChanCfg, @@ -794,7 +794,7 @@ func (cb *CommitmentBuilder) createUnsignedCommitmentTx(ourBalance, cltvs := make([]uint32, len(commitTx.TxOut)) for _, htlc := range filteredHTLCView.ourUpdates { if HtlcIsDust( - cb.chanState.ChanType, false, isOurs, feePerKw, + cb.chanState.ChanType, false, whoseCommit, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -802,7 +802,7 @@ func (cb *CommitmentBuilder) createUnsignedCommitmentTx(ourBalance, } err := addHTLC( - commitTx, isOurs, false, htlc, keyRing, + commitTx, whoseCommit, false, htlc, keyRing, cb.chanState.ChanType, ) if err != nil { @@ -812,7 +812,7 @@ func (cb *CommitmentBuilder) createUnsignedCommitmentTx(ourBalance, } for _, htlc := range filteredHTLCView.theirUpdates { if HtlcIsDust( - cb.chanState.ChanType, true, isOurs, feePerKw, + cb.chanState.ChanType, true, whoseCommit, feePerKw, htlc.Amount.ToSatoshis(), dustLimit, ) { @@ -820,7 +820,7 @@ func (cb *CommitmentBuilder) createUnsignedCommitmentTx(ourBalance, } err := addHTLC( - commitTx, isOurs, true, htlc, keyRing, + commitTx, whoseCommit, true, htlc, keyRing, cb.chanState.ChanType, ) if err != nil { @@ -1003,8 +1003,9 @@ func CoopCloseBalance(chanType channeldb.ChannelType, isInitiator bool, // genSegwitV0HtlcScript generates the HTLC scripts for a normal segwit v0 // channel. func genSegwitV0HtlcScript(chanType channeldb.ChannelType, - isIncoming, ourCommit bool, timeout uint32, rHash [32]byte, - keyRing *CommitmentKeyRing) (*WitnessScriptDesc, error) { + isIncoming bool, whoseCommit lntypes.ChannelParty, timeout uint32, + rHash [32]byte, keyRing *CommitmentKeyRing, +) (*WitnessScriptDesc, error) { var ( witnessScript []byte @@ -1024,7 +1025,7 @@ func genSegwitV0HtlcScript(chanType channeldb.ChannelType, // The HTLC is paying to us, and being applied to our commitment // transaction. So we need to use the receiver's version of the HTLC // script. - case isIncoming && ourCommit: + case isIncoming && whoseCommit.IsLocal(): witnessScript, err = input.ReceiverHTLCScript( timeout, keyRing.RemoteHtlcKey, keyRing.LocalHtlcKey, keyRing.RevocationKey, rHash[:], confirmedHtlcSpends, @@ -1033,7 +1034,7 @@ func genSegwitV0HtlcScript(chanType channeldb.ChannelType, // We're being paid via an HTLC by the remote party, and the HTLC is // being added to their commitment transaction, so we use the sender's // version of the HTLC script. - case isIncoming && !ourCommit: + case isIncoming && whoseCommit.IsRemote(): witnessScript, err = input.SenderHTLCScript( keyRing.RemoteHtlcKey, keyRing.LocalHtlcKey, keyRing.RevocationKey, rHash[:], confirmedHtlcSpends, @@ -1042,7 +1043,7 @@ func genSegwitV0HtlcScript(chanType channeldb.ChannelType, // We're sending an HTLC which is being added to our commitment // transaction. Therefore, we need to use the sender's version of the // HTLC script. - case !isIncoming && ourCommit: + case !isIncoming && whoseCommit.IsLocal(): witnessScript, err = input.SenderHTLCScript( keyRing.LocalHtlcKey, keyRing.RemoteHtlcKey, keyRing.RevocationKey, rHash[:], confirmedHtlcSpends, @@ -1051,7 +1052,7 @@ func genSegwitV0HtlcScript(chanType channeldb.ChannelType, // Finally, we're paying the remote party via an HTLC, which is being // added to their commitment transaction. Therefore, we use the // receiver's version of the HTLC script. - case !isIncoming && !ourCommit: + case !isIncoming && whoseCommit.IsRemote(): witnessScript, err = input.ReceiverHTLCScript( timeout, keyRing.LocalHtlcKey, keyRing.RemoteHtlcKey, keyRing.RevocationKey, rHash[:], confirmedHtlcSpends, @@ -1076,9 +1077,9 @@ func genSegwitV0HtlcScript(chanType channeldb.ChannelType, // genTaprootHtlcScript generates the HTLC scripts for a taproot+musig2 // channel. -func genTaprootHtlcScript(isIncoming, ourCommit bool, timeout uint32, - rHash [32]byte, - keyRing *CommitmentKeyRing) (*input.HtlcScriptTree, error) { +func genTaprootHtlcScript(isIncoming bool, whoseCommit lntypes.ChannelParty, + timeout uint32, rHash [32]byte, keyRing *CommitmentKeyRing, +) (*input.HtlcScriptTree, error) { var ( htlcScriptTree *input.HtlcScriptTree @@ -1092,37 +1093,37 @@ func genTaprootHtlcScript(isIncoming, ourCommit bool, timeout uint32, // The HTLC is paying to us, and being applied to our commitment // transaction. So we need to use the receiver's version of HTLC the // script. - case isIncoming && ourCommit: + case isIncoming && whoseCommit.IsLocal(): htlcScriptTree, err = input.ReceiverHTLCScriptTaproot( timeout, keyRing.RemoteHtlcKey, keyRing.LocalHtlcKey, - keyRing.RevocationKey, rHash[:], lntypes.Local, + keyRing.RevocationKey, rHash[:], whoseCommit, ) // We're being paid via an HTLC by the remote party, and the HTLC is // being added to their commitment transaction, so we use the sender's // version of the HTLC script. - case isIncoming && !ourCommit: + case isIncoming && whoseCommit.IsRemote(): htlcScriptTree, err = input.SenderHTLCScriptTaproot( keyRing.RemoteHtlcKey, keyRing.LocalHtlcKey, - keyRing.RevocationKey, rHash[:], lntypes.Remote, + keyRing.RevocationKey, rHash[:], whoseCommit, ) // We're sending an HTLC which is being added to our commitment // transaction. Therefore, we need to use the sender's version of the // HTLC script. - case !isIncoming && ourCommit: + case !isIncoming && whoseCommit.IsLocal(): htlcScriptTree, err = input.SenderHTLCScriptTaproot( keyRing.LocalHtlcKey, keyRing.RemoteHtlcKey, - keyRing.RevocationKey, rHash[:], lntypes.Local, + keyRing.RevocationKey, rHash[:], whoseCommit, ) // Finally, we're paying the remote party via an HTLC, which is being // added to their commitment transaction. Therefore, we use the // receiver's version of the HTLC script. - case !isIncoming && !ourCommit: + case !isIncoming && whoseCommit.IsRemote(): htlcScriptTree, err = input.ReceiverHTLCScriptTaproot( timeout, keyRing.LocalHtlcKey, keyRing.RemoteHtlcKey, - keyRing.RevocationKey, rHash[:], lntypes.Remote, + keyRing.RevocationKey, rHash[:], whoseCommit, ) } @@ -1135,19 +1136,20 @@ func genTaprootHtlcScript(isIncoming, ourCommit bool, timeout uint32, // multiplexer for the various spending paths is returned. The script path that // we need to sign for the remote party (2nd level HTLCs) is also returned // along side the multiplexer. -func genHtlcScript(chanType channeldb.ChannelType, isIncoming, ourCommit bool, - timeout uint32, rHash [32]byte, keyRing *CommitmentKeyRing, +func genHtlcScript(chanType channeldb.ChannelType, isIncoming bool, + whoseCommit lntypes.ChannelParty, timeout uint32, rHash [32]byte, + keyRing *CommitmentKeyRing, ) (input.ScriptDescriptor, error) { if !chanType.IsTaproot() { return genSegwitV0HtlcScript( - chanType, isIncoming, ourCommit, timeout, rHash, + chanType, isIncoming, whoseCommit, timeout, rHash, keyRing, ) } return genTaprootHtlcScript( - isIncoming, ourCommit, timeout, rHash, keyRing, + isIncoming, whoseCommit, timeout, rHash, keyRing, ) } @@ -1158,7 +1160,7 @@ func genHtlcScript(chanType channeldb.ChannelType, isIncoming, ourCommit bool, // locate the added HTLC on the commitment transaction from the // PaymentDescriptor that generated it, the generated script is stored within // the descriptor itself. -func addHTLC(commitTx *wire.MsgTx, ourCommit bool, +func addHTLC(commitTx *wire.MsgTx, whoseCommit lntypes.ChannelParty, isIncoming bool, paymentDesc *PaymentDescriptor, keyRing *CommitmentKeyRing, chanType channeldb.ChannelType) error { @@ -1166,7 +1168,7 @@ func addHTLC(commitTx *wire.MsgTx, ourCommit bool, rHash := paymentDesc.RHash scriptInfo, err := genHtlcScript( - chanType, isIncoming, ourCommit, timeout, rHash, keyRing, + chanType, isIncoming, whoseCommit, timeout, rHash, keyRing, ) if err != nil { return err @@ -1180,7 +1182,7 @@ func addHTLC(commitTx *wire.MsgTx, ourCommit bool, // Store the pkScript of this particular PaymentDescriptor so we can // quickly locate it within the commitment transaction later. - if ourCommit { + if whoseCommit.IsLocal() { paymentDesc.ourPkScript = pkScript paymentDesc.ourWitnessScript = scriptInfo.WitnessScriptToSign() @@ -1211,7 +1213,7 @@ func findOutputIndexesFromRemote(revocationPreimage *chainhash.Hash, // With the commitment point generated, we can now derive the king ring // which will be used to generate the output scripts. keyRing := DeriveCommitmentKeys( - commitmentPoint, false, chanState.ChanType, + commitmentPoint, lntypes.Remote, chanState.ChanType, &chanState.LocalChanCfg, &chanState.RemoteChanCfg, ) diff --git a/lnwallet/wallet.go b/lnwallet/wallet.go index cf61606da5..a56bf1c217 100644 --- a/lnwallet/wallet.go +++ b/lnwallet/wallet.go @@ -25,6 +25,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwallet/chanfunding" "github.com/lightningnetwork/lnd/lnwallet/chanvalidate" @@ -1475,10 +1476,12 @@ func CreateCommitmentTxns(localBalance, remoteBalance btcutil.Amount, leaseExpiry uint32) (*wire.MsgTx, *wire.MsgTx, error) { localCommitmentKeys := DeriveCommitmentKeys( - localCommitPoint, true, chanType, ourChanCfg, theirChanCfg, + localCommitPoint, lntypes.Local, chanType, ourChanCfg, + theirChanCfg, ) remoteCommitmentKeys := DeriveCommitmentKeys( - remoteCommitPoint, false, chanType, ourChanCfg, theirChanCfg, + remoteCommitPoint, lntypes.Remote, chanType, ourChanCfg, + theirChanCfg, ) ourCommitTx, err := CreateCommitTx( diff --git a/peer/brontide.go b/peer/brontide.go index 7a390cfd7c..81a27bdd3b 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -36,6 +36,7 @@ import ( "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/invoices" "github.com/lightningnetwork/lnd/lnpeer" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" @@ -3017,6 +3018,10 @@ func (p *Brontide) createChanCloser(channel *lnwallet.LightningChannel, maxFee = req.MaxFee } + closer := lntypes.Remote + if locallyInitiated { + closer = lntypes.Local + } chanCloser := chancloser.NewChanCloser( chancloser.ChanCloseCfg{ Channel: channel, @@ -3039,7 +3044,7 @@ func (p *Brontide) createChanCloser(channel *lnwallet.LightningChannel, fee, uint32(startingHeight), req, - locallyInitiated, + closer, ) return chanCloser, nil From 1d65f5bd120f7dea443a9a749cf322e9948baebb Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Jul 2024 17:03:47 -0700 Subject: [PATCH 226/343] peer: refactor createChanCloser to use ChannelParty --- peer/brontide.go | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/peer/brontide.go b/peer/brontide.go index 81a27bdd3b..27438daa6f 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -1070,7 +1070,7 @@ func (p *Brontide) loadActiveChannels(chans []*channeldb.OpenChannel) ( chanCloser, err := p.createChanCloser( lnChan, info.DeliveryScript.Val, feePerKw, nil, - info.LocalInitiator.Val, + info.Closer(), ) if err != nil { shutdownInfoErr = fmt.Errorf("unable to "+ @@ -2733,7 +2733,7 @@ func (p *Brontide) fetchActiveChanCloser(chanID lnwire.ChannelID) ( } chanCloser, err = p.createChanCloser( - channel, deliveryScript, feePerKw, nil, false, + channel, deliveryScript, feePerKw, nil, lntypes.Remote, ) if err != nil { p.log.Errorf("unable to create chan closer: %v", err) @@ -2970,12 +2970,13 @@ func (p *Brontide) restartCoopClose(lnChan *lnwallet.LightningChannel) ( // Determine whether we or the peer are the initiator of the coop // close attempt by looking at the channel's status. - locallyInitiated := c.HasChanStatus( - channeldb.ChanStatusLocalCloseInitiator, - ) + closingParty := lntypes.Remote + if c.HasChanStatus(channeldb.ChanStatusLocalCloseInitiator) { + closingParty = lntypes.Local + } chanCloser, err := p.createChanCloser( - lnChan, deliveryScript, feePerKw, nil, locallyInitiated, + lnChan, deliveryScript, feePerKw, nil, closingParty, ) if err != nil { p.log.Errorf("unable to create chan closer: %v", err) @@ -3004,7 +3005,7 @@ func (p *Brontide) restartCoopClose(lnChan *lnwallet.LightningChannel) ( func (p *Brontide) createChanCloser(channel *lnwallet.LightningChannel, deliveryScript lnwire.DeliveryAddress, fee chainfee.SatPerKWeight, req *htlcswitch.ChanClose, - locallyInitiated bool) (*chancloser.ChanCloser, error) { + closer lntypes.ChannelParty) (*chancloser.ChanCloser, error) { _, startingHeight, err := p.cfg.ChainIO.GetBestBlock() if err != nil { @@ -3018,10 +3019,6 @@ func (p *Brontide) createChanCloser(channel *lnwallet.LightningChannel, maxFee = req.MaxFee } - closer := lntypes.Remote - if locallyInitiated { - closer = lntypes.Local - } chanCloser := chancloser.NewChanCloser( chancloser.ChanCloseCfg{ Channel: channel, @@ -3101,7 +3098,8 @@ func (p *Brontide) handleLocalCloseReq(req *htlcswitch.ChanClose) { } chanCloser, err := p.createChanCloser( - channel, deliveryScript, req.TargetFeePerKw, req, true, + channel, deliveryScript, req.TargetFeePerKw, req, + lntypes.Local, ) if err != nil { p.log.Errorf(err.Error()) From 1f9cac5f809f8d6470d76dc3481ba17cd7b2b0d6 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 30 Jul 2024 17:05:04 -0700 Subject: [PATCH 227/343] htlcswitch: refactor dust handling to use ChannelParty --- htlcswitch/interfaces.go | 2 +- htlcswitch/link.go | 46 +++++++++++++++++++-------------------- htlcswitch/mailbox.go | 7 ++++-- htlcswitch/mock.go | 2 +- htlcswitch/switch.go | 12 ++++++---- htlcswitch/switch_test.go | 22 ++++++++++++++----- 6 files changed, 54 insertions(+), 37 deletions(-) diff --git a/htlcswitch/interfaces.go b/htlcswitch/interfaces.go index a55cd5d0b2..1311373a17 100644 --- a/htlcswitch/interfaces.go +++ b/htlcswitch/interfaces.go @@ -63,7 +63,7 @@ type dustHandler interface { // getDustSum returns the dust sum on either the local or remote // commitment. An optional fee parameter can be passed in which is used // to calculate the dust sum. - getDustSum(remote bool, + getDustSum(whoseCommit lntypes.ChannelParty, fee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi // getFeeRate returns the current channel feerate. diff --git a/htlcswitch/link.go b/htlcswitch/link.go index 99df2c2b94..eaeaf2e87c 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -2727,15 +2727,10 @@ func (l *channelLink) MayAddOutgoingHtlc(amt lnwire.MilliSatoshi) error { // method. // // NOTE: Part of the dustHandler interface. -func (l *channelLink) getDustSum(remote bool, +func (l *channelLink) getDustSum(whoseCommit lntypes.ChannelParty, dryRunFee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi { - party := lntypes.Local - if remote { - party = lntypes.Remote - } - - return l.channel.GetDustSum(party, dryRunFee) + return l.channel.GetDustSum(whoseCommit, dryRunFee) } // getFeeRate is a wrapper method that retrieves the underlying channel's @@ -2789,8 +2784,8 @@ func (l *channelLink) exceedsFeeExposureLimit( // Get the sum of dust for both the local and remote commitments using // this "dry-run" fee. - localDustSum := l.getDustSum(false, dryRunFee) - remoteDustSum := l.getDustSum(true, dryRunFee) + localDustSum := l.getDustSum(lntypes.Local, dryRunFee) + remoteDustSum := l.getDustSum(lntypes.Remote, dryRunFee) // Calculate the local and remote commitment fees using this dry-run // fee. @@ -2831,12 +2826,16 @@ func (l *channelLink) isOverexposedWithHtlc(htlc *lnwire.UpdateAddHTLC, amount := htlc.Amount.ToSatoshis() // See if this HTLC is dust on both the local and remote commitments. - isLocalDust := dustClosure(feeRate, incoming, true, amount) - isRemoteDust := dustClosure(feeRate, incoming, false, amount) + isLocalDust := dustClosure(feeRate, incoming, lntypes.Local, amount) + isRemoteDust := dustClosure(feeRate, incoming, lntypes.Remote, amount) // Calculate the dust sum for the local and remote commitments. - localDustSum := l.getDustSum(false, fn.None[chainfee.SatPerKWeight]()) - remoteDustSum := l.getDustSum(true, fn.None[chainfee.SatPerKWeight]()) + localDustSum := l.getDustSum( + lntypes.Local, fn.None[chainfee.SatPerKWeight](), + ) + remoteDustSum := l.getDustSum( + lntypes.Remote, fn.None[chainfee.SatPerKWeight](), + ) // Grab the larger of the local and remote commitment fees w/o dust. commitFee := l.getCommitFee(false) @@ -2887,25 +2886,26 @@ func (l *channelLink) isOverexposedWithHtlc(htlc *lnwire.UpdateAddHTLC, // the HTLC is incoming (i.e. one that the remote sent), a boolean denoting // whether to evaluate on the local or remote commit, and finally an HTLC // amount to test. -type dustClosure func(chainfee.SatPerKWeight, bool, bool, btcutil.Amount) bool +type dustClosure func(feerate chainfee.SatPerKWeight, incoming bool, + whoseCommit lntypes.ChannelParty, amt btcutil.Amount) bool // dustHelper is used to construct the dustClosure. func dustHelper(chantype channeldb.ChannelType, localDustLimit, remoteDustLimit btcutil.Amount) dustClosure { - isDust := func(feerate chainfee.SatPerKWeight, incoming, - localCommit bool, amt btcutil.Amount) bool { + isDust := func(feerate chainfee.SatPerKWeight, incoming bool, + whoseCommit lntypes.ChannelParty, amt btcutil.Amount) bool { - if localCommit { - return lnwallet.HtlcIsDust( - chantype, incoming, lntypes.Local, feerate, amt, - localDustLimit, - ) + var dustLimit btcutil.Amount + if whoseCommit.IsLocal() { + dustLimit = localDustLimit + } else { + dustLimit = remoteDustLimit } return lnwallet.HtlcIsDust( - chantype, incoming, lntypes.Remote, feerate, amt, - remoteDustLimit, + chantype, incoming, whoseCommit, feerate, amt, + dustLimit, ) } diff --git a/htlcswitch/mailbox.go b/htlcswitch/mailbox.go index a729e3ba50..9b82f8912e 100644 --- a/htlcswitch/mailbox.go +++ b/htlcswitch/mailbox.go @@ -9,6 +9,7 @@ import ( "time" "github.com/lightningnetwork/lnd/clock" + "github.com/lightningnetwork/lnd/lntypes" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwire" ) @@ -660,7 +661,8 @@ func (m *memoryMailBox) DustPackets() (lnwire.MilliSatoshi, // Evaluate whether this HTLC is dust on the local commitment. if m.isDust( - m.feeRate, false, true, addPkt.amount.ToSatoshis(), + m.feeRate, false, lntypes.Local, + addPkt.amount.ToSatoshis(), ) { localDustSum += addPkt.amount @@ -668,7 +670,8 @@ func (m *memoryMailBox) DustPackets() (lnwire.MilliSatoshi, // Evaluate whether this HTLC is dust on the remote commitment. if m.isDust( - m.feeRate, false, false, addPkt.amount.ToSatoshis(), + m.feeRate, false, lntypes.Remote, + addPkt.amount.ToSatoshis(), ) { remoteDustSum += addPkt.amount diff --git a/htlcswitch/mock.go b/htlcswitch/mock.go index 07efd28a03..96417d9c05 100644 --- a/htlcswitch/mock.go +++ b/htlcswitch/mock.go @@ -814,7 +814,7 @@ func (f *mockChannelLink) handleSwitchPacket(pkt *htlcPacket) error { return nil } -func (f *mockChannelLink) getDustSum(remote bool, +func (f *mockChannelLink) getDustSum(whoseCommit lntypes.ChannelParty, dryRunFee fn.Option[chainfee.SatPerKWeight]) lnwire.MilliSatoshi { return 0 diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index bfca92a3a0..793da57dbe 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -2788,8 +2788,12 @@ func (s *Switch) dustExceedsFeeThreshold(link ChannelLink, isDust := link.getDustClosure() // Evaluate if the HTLC is dust on either sides' commitment. - isLocalDust := isDust(feeRate, incoming, true, amount.ToSatoshis()) - isRemoteDust := isDust(feeRate, incoming, false, amount.ToSatoshis()) + isLocalDust := isDust( + feeRate, incoming, lntypes.Local, amount.ToSatoshis(), + ) + isRemoteDust := isDust( + feeRate, incoming, lntypes.Remote, amount.ToSatoshis(), + ) if !(isLocalDust || isRemoteDust) { // If the HTLC is not dust on either commitment, it's fine to @@ -2807,7 +2811,7 @@ func (s *Switch) dustExceedsFeeThreshold(link ChannelLink, // sum for it. if isLocalDust { localSum := link.getDustSum( - false, fn.None[chainfee.SatPerKWeight](), + lntypes.Local, fn.None[chainfee.SatPerKWeight](), ) localSum += localMailDust @@ -2827,7 +2831,7 @@ func (s *Switch) dustExceedsFeeThreshold(link ChannelLink, // reached this point. if isRemoteDust { remoteSum := link.getDustSum( - true, fn.None[chainfee.SatPerKWeight](), + lntypes.Remote, fn.None[chainfee.SatPerKWeight](), ) remoteSum += remoteMailDust diff --git a/htlcswitch/switch_test.go b/htlcswitch/switch_test.go index ce00cd8781..0bc0df2d46 100644 --- a/htlcswitch/switch_test.go +++ b/htlcswitch/switch_test.go @@ -4319,7 +4319,7 @@ func TestSwitchDustForwarding(t *testing.T) { } checkAlmostDust := func(link *channelLink, mbox MailBox, - remote bool) bool { + whoseCommit lntypes.ChannelParty) bool { timeout := time.After(15 * time.Second) pollInterval := 300 * time.Millisecond @@ -4335,12 +4335,12 @@ func TestSwitchDustForwarding(t *testing.T) { } linkDust := link.getDustSum( - remote, fn.None[chainfee.SatPerKWeight](), + whoseCommit, fn.None[chainfee.SatPerKWeight](), ) localMailDust, remoteMailDust := mbox.DustPackets() totalDust := linkDust - if remote { + if whoseCommit.IsRemote() { totalDust += remoteMailDust } else { totalDust += localMailDust @@ -4359,7 +4359,11 @@ func TestSwitchDustForwarding(t *testing.T) { n.firstBobChannelLink.ChanID(), n.firstBobChannelLink.ShortChanID(), ) - require.True(t, checkAlmostDust(n.firstBobChannelLink, bobMbox, false)) + require.True( + t, checkAlmostDust( + n.firstBobChannelLink, bobMbox, lntypes.Local, + ), + ) // Sending one more HTLC should fail. SendHTLC won't error, but the // HTLC should be failed backwards. @@ -4408,7 +4412,9 @@ func TestSwitchDustForwarding(t *testing.T) { aliceBobFirstHop, uint64(bobAttemptID), nondustHtlc, ) require.NoError(t, err) - require.True(t, checkAlmostDust(n.firstBobChannelLink, bobMbox, false)) + require.True(t, checkAlmostDust( + n.firstBobChannelLink, bobMbox, lntypes.Local, + )) // Check that the HTLC failed. bobResultChan, err = n.bobServer.htlcSwitch.GetAttemptResult( @@ -4486,7 +4492,11 @@ func TestSwitchDustForwarding(t *testing.T) { aliceMbox := aliceOrch.GetOrCreateMailBox( n.aliceChannelLink.ChanID(), n.aliceChannelLink.ShortChanID(), ) - require.True(t, checkAlmostDust(n.aliceChannelLink, aliceMbox, true)) + require.True( + t, checkAlmostDust( + n.aliceChannelLink, aliceMbox, lntypes.Remote, + ), + ) err = n.aliceServer.htlcSwitch.SendHTLC( n.aliceChannelLink.ShortChanID(), uint64(aliceAttemptID), From f54c9ea8f7c03d1c489d9dfe2367e5a346e4f20b Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 5 Apr 2024 17:08:38 -0700 Subject: [PATCH 228/343] htlcswitch: replace errors package implementation --- htlcswitch/link.go | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/htlcswitch/link.go b/htlcswitch/link.go index eaeaf2e87c..083677ec7c 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -4,6 +4,7 @@ import ( "bytes" crand "crypto/rand" "crypto/sha256" + "errors" "fmt" prand "math/rand" "sync" @@ -13,7 +14,6 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btclog" - "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/build" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" @@ -480,7 +480,7 @@ var _ ChannelLink = (*channelLink)(nil) // NOTE: Part of the ChannelLink interface. func (l *channelLink) Start() error { if !atomic.CompareAndSwapInt32(&l.started, 0, 1) { - err := errors.Errorf("channel link(%v): already started", l) + err := fmt.Errorf("channel link(%v): already started", l) l.log.Warn("already started") return err } @@ -4080,7 +4080,7 @@ func (l *channelLink) sendMalformedHTLCError(htlcIndex uint64, // remote peer. func (l *channelLink) fail(linkErr LinkFailureError, format string, a ...interface{}) { - reason := errors.Errorf(format, a...) + reason := fmt.Errorf(format, a...) // Return if we have already notified about a failure. if l.failed { From d18c4d61ce11dcacf68da3c2fe3d0b0490e81b27 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Mon, 8 Jul 2024 09:45:47 +0200 Subject: [PATCH 229/343] lnrpc: payment failure reason canceled --- lnrpc/lightning.pb.go | 746 ++++++++++++++-------------- lnrpc/lightning.proto | 5 + lnrpc/lightning.swagger.json | 5 +- lnrpc/routerrpc/router.swagger.json | 5 +- 4 files changed, 387 insertions(+), 374 deletions(-) diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index ebf76383a4..8a7a14ee13 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -576,6 +576,8 @@ const ( PaymentFailureReason_FAILURE_REASON_INCORRECT_PAYMENT_DETAILS PaymentFailureReason = 4 // Insufficient local balance. PaymentFailureReason_FAILURE_REASON_INSUFFICIENT_BALANCE PaymentFailureReason = 5 + // The payment was canceled. + PaymentFailureReason_FAILURE_REASON_CANCELED PaymentFailureReason = 6 ) // Enum value maps for PaymentFailureReason. @@ -587,6 +589,7 @@ var ( 3: "FAILURE_REASON_ERROR", 4: "FAILURE_REASON_INCORRECT_PAYMENT_DETAILS", 5: "FAILURE_REASON_INSUFFICIENT_BALANCE", + 6: "FAILURE_REASON_CANCELED", } PaymentFailureReason_value = map[string]int32{ "FAILURE_REASON_NONE": 0, @@ -595,6 +598,7 @@ var ( "FAILURE_REASON_ERROR": 3, "FAILURE_REASON_INCORRECT_PAYMENT_DETAILS": 4, "FAILURE_REASON_INSUFFICIENT_BALANCE": 5, + "FAILURE_REASON_CANCELED": 6, } ) @@ -20752,7 +20756,7 @@ var file_lightning_proto_rawDesc = []byte{ 0x6f, 0x69, 0x63, 0x65, 0x48, 0x54, 0x4c, 0x43, 0x53, 0x74, 0x61, 0x74, 0x65, 0x12, 0x0c, 0x0a, 0x08, 0x41, 0x43, 0x43, 0x45, 0x50, 0x54, 0x45, 0x44, 0x10, 0x00, 0x12, 0x0b, 0x0a, 0x07, 0x53, 0x45, 0x54, 0x54, 0x4c, 0x45, 0x44, 0x10, 0x01, 0x12, 0x0c, 0x0a, 0x08, 0x43, 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0x6c, 0x75, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, + 0x74, 0x1a, 0x23, 0x2e, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x2e, 0x4c, 0x6f, 0x6f, 0x6b, 0x75, 0x70, + 0x48, 0x74, 0x6c, 0x63, 0x52, 0x65, 0x73, 0x6f, 0x6c, 0x75, 0x74, 0x69, 0x6f, 0x6e, 0x52, 0x65, + 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x42, 0x27, 0x5a, 0x25, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, + 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x6e, 0x69, 0x6e, 0x67, 0x6e, 0x65, + 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x2f, 0x6c, 0x6e, 0x64, 0x2f, 0x6c, 0x6e, 0x72, 0x70, 0x63, 0x62, + 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33, } var ( diff --git a/lnrpc/lightning.proto b/lnrpc/lightning.proto index dae0bb607b..0a60856173 100644 --- a/lnrpc/lightning.proto +++ b/lnrpc/lightning.proto @@ -4050,6 +4050,11 @@ enum PaymentFailureReason { Insufficient local balance. */ FAILURE_REASON_INSUFFICIENT_BALANCE = 5; + + /* + The payment was canceled. + */ + FAILURE_REASON_CANCELED = 6; } message Payment { diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index b4971aedfb..3af170b4b8 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -6396,10 +6396,11 @@ "FAILURE_REASON_NO_ROUTE", "FAILURE_REASON_ERROR", "FAILURE_REASON_INCORRECT_PAYMENT_DETAILS", - "FAILURE_REASON_INSUFFICIENT_BALANCE" + "FAILURE_REASON_INSUFFICIENT_BALANCE", + "FAILURE_REASON_CANCELED" ], "default": "FAILURE_REASON_NONE", - "description": " - FAILURE_REASON_NONE: Payment isn't failed (yet).\n - FAILURE_REASON_TIMEOUT: There are more routes to try, but the payment timeout was exceeded.\n - FAILURE_REASON_NO_ROUTE: All possible routes were tried and failed permanently. Or were no\nroutes to the destination at all.\n - FAILURE_REASON_ERROR: A non-recoverable error has occured.\n - FAILURE_REASON_INCORRECT_PAYMENT_DETAILS: Payment details incorrect (unknown hash, invalid amt or\ninvalid final cltv delta)\n - FAILURE_REASON_INSUFFICIENT_BALANCE: Insufficient local balance." + "description": " - FAILURE_REASON_NONE: Payment isn't failed (yet).\n - FAILURE_REASON_TIMEOUT: There are more routes to try, but the payment timeout was exceeded.\n - FAILURE_REASON_NO_ROUTE: All possible routes were tried and failed permanently. Or were no\nroutes to the destination at all.\n - FAILURE_REASON_ERROR: A non-recoverable error has occured.\n - FAILURE_REASON_INCORRECT_PAYMENT_DETAILS: Payment details incorrect (unknown hash, invalid amt or\ninvalid final cltv delta)\n - FAILURE_REASON_INSUFFICIENT_BALANCE: Insufficient local balance.\n - FAILURE_REASON_CANCELED: The payment was canceled." }, "lnrpcPeer": { "type": "object", diff --git a/lnrpc/routerrpc/router.swagger.json b/lnrpc/routerrpc/router.swagger.json index 7e8f3c49d2..7c8aa6217d 100644 --- a/lnrpc/routerrpc/router.swagger.json +++ b/lnrpc/routerrpc/router.swagger.json @@ -1022,10 +1022,11 @@ "FAILURE_REASON_NO_ROUTE", "FAILURE_REASON_ERROR", "FAILURE_REASON_INCORRECT_PAYMENT_DETAILS", - "FAILURE_REASON_INSUFFICIENT_BALANCE" + "FAILURE_REASON_INSUFFICIENT_BALANCE", + "FAILURE_REASON_CANCELED" ], "default": "FAILURE_REASON_NONE", - "description": " - FAILURE_REASON_NONE: Payment isn't failed (yet).\n - FAILURE_REASON_TIMEOUT: There are more routes to try, but the payment timeout was exceeded.\n - FAILURE_REASON_NO_ROUTE: All possible routes were tried and failed permanently. Or were no\nroutes to the destination at all.\n - FAILURE_REASON_ERROR: A non-recoverable error has occured.\n - FAILURE_REASON_INCORRECT_PAYMENT_DETAILS: Payment details incorrect (unknown hash, invalid amt or\ninvalid final cltv delta)\n - FAILURE_REASON_INSUFFICIENT_BALANCE: Insufficient local balance." + "description": " - FAILURE_REASON_NONE: Payment isn't failed (yet).\n - FAILURE_REASON_TIMEOUT: There are more routes to try, but the payment timeout was exceeded.\n - FAILURE_REASON_NO_ROUTE: All possible routes were tried and failed permanently. Or were no\nroutes to the destination at all.\n - FAILURE_REASON_ERROR: A non-recoverable error has occured.\n - FAILURE_REASON_INCORRECT_PAYMENT_DETAILS: Payment details incorrect (unknown hash, invalid amt or\ninvalid final cltv delta)\n - FAILURE_REASON_INSUFFICIENT_BALANCE: Insufficient local balance.\n - FAILURE_REASON_CANCELED: The payment was canceled." }, "lnrpcPaymentPaymentStatus": { "type": "string", From 2e3c96f9866fefaa232f4187e0fc5f5567d76f0b Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 13 Jun 2024 09:43:35 +0200 Subject: [PATCH 230/343] routing: new failure reason for cancelled payments --- channeldb/payments.go | 12 ++++++++---- lnrpc/routerrpc/router_backend.go | 3 +++ routing/payment_lifecycle.go | 4 +++- routing/payment_lifecycle_test.go | 8 ++++---- 4 files changed, 18 insertions(+), 9 deletions(-) diff --git a/channeldb/payments.go b/channeldb/payments.go index a1baa07f7a..079fedf235 100644 --- a/channeldb/payments.go +++ b/channeldb/payments.go @@ -104,7 +104,7 @@ var ( ) var ( - // ErrNoSequenceNumber is returned if we lookup a payment which does + // ErrNoSequenceNumber is returned if we look up a payment which does // not have a sequence number. ErrNoSequenceNumber = errors.New("sequence number not found") @@ -147,18 +147,20 @@ const ( // balance to complete the payment. FailureReasonInsufficientBalance FailureReason = 4 - // TODO(halseth): cancel state. + // FailureReasonCanceled indicates that the payment was canceled by the + // user. + FailureReasonCanceled FailureReason = 5 // TODO(joostjager): Add failure reasons for: // LocalLiquidityInsufficient, RemoteCapacityInsufficient. ) -// Error returns a human readable error string for the FailureReason. +// Error returns a human-readable error string for the FailureReason. func (r FailureReason) Error() string { return r.String() } -// String returns a human readable FailureReason. +// String returns a human-readable FailureReason. func (r FailureReason) String() string { switch r { case FailureReasonTimeout: @@ -171,6 +173,8 @@ func (r FailureReason) String() string { return "incorrect_payment_details" case FailureReasonInsufficientBalance: return "insufficient_balance" + case FailureReasonCanceled: + return "canceled" } return "unknown" diff --git a/lnrpc/routerrpc/router_backend.go b/lnrpc/routerrpc/router_backend.go index faf53c4b63..ac493ba330 100644 --- a/lnrpc/routerrpc/router_backend.go +++ b/lnrpc/routerrpc/router_backend.go @@ -1747,6 +1747,9 @@ func marshallPaymentFailureReason(reason *channeldb.FailureReason) ( case channeldb.FailureReasonInsufficientBalance: return lnrpc.PaymentFailureReason_FAILURE_REASON_INSUFFICIENT_BALANCE, nil + + case channeldb.FailureReasonCanceled: + return lnrpc.PaymentFailureReason_FAILURE_REASON_CANCELED, nil } return 0, errors.New("unknown failure reason") diff --git a/routing/payment_lifecycle.go b/routing/payment_lifecycle.go index 5e7f8b4918..1d103c5ac5 100644 --- a/routing/payment_lifecycle.go +++ b/routing/payment_lifecycle.go @@ -322,10 +322,13 @@ func (p *paymentLifecycle) checkContext(ctx context.Context) error { // user-provided timeout was reached, or the context was // canceled, either to a manual cancellation or due to an // unknown error. + var reason channeldb.FailureReason if errors.Is(ctx.Err(), context.DeadlineExceeded) { + reason = channeldb.FailureReasonTimeout log.Warnf("Payment attempt not completed before "+ "timeout, id=%s", p.identifier.String()) } else { + reason = channeldb.FailureReasonCanceled log.Warnf("Payment attempt context canceled, id=%s", p.identifier.String()) } @@ -334,7 +337,6 @@ func (p *paymentLifecycle) checkContext(ctx context.Context) error { // inflight HTLCs or not, its status will now either be // `StatusInflight` or `StatusFailed`. In either case, no more // HTLCs will be attempted. - reason := channeldb.FailureReasonTimeout err := p.router.cfg.Control.FailPayment(p.identifier, reason) if err != nil { return fmt.Errorf("FailPayment got %w", err) diff --git a/routing/payment_lifecycle_test.go b/routing/payment_lifecycle_test.go index 3b19812c6d..34c8d6c17a 100644 --- a/routing/payment_lifecycle_test.go +++ b/routing/payment_lifecycle_test.go @@ -772,17 +772,17 @@ func TestResumePaymentFailContextCancel(t *testing.T) { cancel() m.control.On( - "FailPayment", p.identifier, channeldb.FailureReasonTimeout, + "FailPayment", p.identifier, channeldb.FailureReasonCanceled, ).Return(nil).Once() - // 5. decideNextStep now returns stepExit. + // 4. decideNextStep now returns stepExit. m.payment.On("AllowMoreAttempts").Return(false, nil).Once(). On("NeedWaitAttempts").Return(false, nil).Once() - // 6. Control tower deletes failed attempts. + // 5. Control tower deletes failed attempts. m.control.On("DeleteFailedAttempts", p.identifier).Return(nil).Once() - // 7. We will observe FailureReasonError if the context was cancelled. + // 6. We will observe FailureReasonError if the context was cancelled. reason := channeldb.FailureReasonError m.payment.On("TerminalInfo").Return(nil, &reason) From 653226d29c2adc3d70086a50def1394dfd6fdd4e Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Fri, 26 Jul 2024 10:29:39 +0200 Subject: [PATCH 231/343] itest: format and typo fixes --- itest/lnd_payment_test.go | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/itest/lnd_payment_test.go b/itest/lnd_payment_test.go index 11f62c6468..312978a95c 100644 --- a/itest/lnd_payment_test.go +++ b/itest/lnd_payment_test.go @@ -17,15 +17,15 @@ import ( "github.com/stretchr/testify/require" ) -// testSendDirectPayment creates a topology Alice->Bob and then tests that -// Alice can send a direct payment to Bob. This test modifies the fee estimator -// to return floor fee rate(1 sat/vb). +// testSendDirectPayment creates a topology Alice->Bob and then tests that Alice +// can send a direct payment to Bob. This test modifies the fee estimator to +// return floor fee rate(1 sat/vb). func testSendDirectPayment(ht *lntest.HarnessTest) { // Grab Alice and Bob's nodes for convenience. alice, bob := ht.Alice, ht.Bob // Create a list of commitment types we want to test. - commitTyes := []lnrpc.CommitmentType{ + commitmentTypes := []lnrpc.CommitmentType{ lnrpc.CommitmentType_ANCHORS, lnrpc.CommitmentType_SIMPLE_TAPROOT, } @@ -109,7 +109,7 @@ func testSendDirectPayment(ht *lntest.HarnessTest) { } // Run the test cases. - for _, ct := range commitTyes { + for _, ct := range commitmentTypes { ht.Run(ct.String(), func(t *testing.T) { st := ht.Subtest(t) @@ -132,8 +132,9 @@ func testSendDirectPayment(ht *lntest.HarnessTest) { } // Open private channel for taproot channels. - params.Private = ct == - lnrpc.CommitmentType_SIMPLE_TAPROOT + if ct == lnrpc.CommitmentType_SIMPLE_TAPROOT { + params.Private = true + } testSendPayment(st, params) }) @@ -429,7 +430,7 @@ func runAsyncPayments(ht *lntest.HarnessTest, alice, bob *node.HarnessNode, // likely be lower, but we can't guarantee that any more HTLCs will // succeed due to the limited path diversity and inability of the router // to retry via another path. - numInvoices := int(input.MaxHTLCNumber / 2) + numInvoices := input.MaxHTLCNumber / 2 bobAmt := int64(numInvoices * paymentAmt) aliceAmt := info.LocalBalance - bobAmt @@ -534,10 +535,10 @@ func testBidirectionalAsyncPayments(ht *lntest.HarnessTest) { // We'll create a number of invoices equal the max number of HTLCs that // can be carried in one direction. The number on the commitment will - // likely be lower, but we can't guarantee that any more HTLCs will - // succeed due to the limited path diversity and inability of the router - // to retry via another path. - numInvoices := int(input.MaxHTLCNumber / 2) + // likely be lower, but we can't guarantee that more HTLCs will succeed + // due to the limited path diversity and inability of the router to + // retry via another path. + numInvoices := input.MaxHTLCNumber / 2 // Nodes should exchange the same amount of money and because of this // at the end balances should remain the same. @@ -597,7 +598,7 @@ func testBidirectionalAsyncPayments(ht *lntest.HarnessTest) { assertChannelState(ht, alice, chanPoint, aliceAmt, bobAmt) // Next query for Bob's and Alice's channel states, in order to confirm - // that all payment have been successful transmitted. + // that all payment have been successfully transmitted. assertChannelState(ht, bob, chanPoint, bobAmt, aliceAmt) // Finally, immediately close the channel. This function will also @@ -662,7 +663,7 @@ func testInvoiceSubscriptions(ht *lntest.HarnessTest) { // Now that the set of invoices has been added, we'll re-register for // streaming invoice notifications for Bob, this time specifying the - // add invoice of the last prior invoice. + // add index of the last prior invoice. req = &lnrpc.InvoiceSubscription{AddIndex: lastAddIndex} bobInvoiceSubscription = bob.RPC.SubscribeInvoices(req) From 0273eac4b2c24d9932a62f1160a757793e30f671 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Fri, 26 Jul 2024 17:11:59 +0200 Subject: [PATCH 232/343] itest: payment failure reason canceled --- itest/list_on_test.go | 4 ++ itest/lnd_payment_test.go | 133 ++++++++++++++++++++++++++++++++++++ lntest/harness_assertion.go | 18 +++++ lntest/rpc/router.go | 17 ++++- 4 files changed, 171 insertions(+), 1 deletion(-) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index adedfd5410..9294b4d16e 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -193,6 +193,10 @@ var allTestCases = []*lntest.TestCase{ Name: "immediate payment after channel opened", TestFunc: testPaymentFollowingChannelOpen, }, + { + Name: "payment failure reason canceled", + TestFunc: testPaymentFailureReasonCanceled, + }, { Name: "invoice update subscription", TestFunc: testInvoiceSubscriptions, diff --git a/itest/lnd_payment_test.go b/itest/lnd_payment_test.go index 312978a95c..cdd1636058 100644 --- a/itest/lnd_payment_test.go +++ b/itest/lnd_payment_test.go @@ -1,6 +1,7 @@ package itest import ( + "context" "crypto/sha256" "encoding/hex" "fmt" @@ -13,7 +14,9 @@ import ( "github.com/lightningnetwork/lnd/lnrpc/routerrpc" "github.com/lightningnetwork/lnd/lntest" "github.com/lightningnetwork/lnd/lntest/node" + "github.com/lightningnetwork/lnd/lntest/rpc" "github.com/lightningnetwork/lnd/lntest/wait" + "github.com/lightningnetwork/lnd/lntypes" "github.com/stretchr/testify/require" ) @@ -767,3 +770,133 @@ func assertChannelState(ht *lntest.HarnessTest, hn *node.HarnessNode, }, lntest.DefaultTimeout) require.NoError(ht, err, "timeout while chekcing for balance") } + +// testPaymentFailureReasonCanceled ensures that the cancellation of a +// SendPayment request results in the payment failure reason +// FAILURE_REASON_CANCELED. This failure reason indicates that the context was +// cancelled manually by the user. It does not interrupt the current payment +// attempt, but will prevent any further payment attempts. The test steps are: +// 1.) Alice pays Carol's invoice through Bob. +// 2.) Bob intercepts the htlc, keeping the payment pending. +// 3.) Alice cancels the payment context, the payment is still pending. +// 4.) Bob fails OR resumes the intercepted HTLC. +// 5.) Alice observes a failed OR succeeded payment with failure reason +// FAILURE_REASON_CANCELED which suppresses further payment attempts. +func testPaymentFailureReasonCanceled(ht *lntest.HarnessTest) { + // Initialize the test context with 3 connected nodes. + ts := newInterceptorTestScenario(ht) + + alice, bob, carol := ts.alice, ts.bob, ts.carol + + // Open and wait for channels. + const chanAmt = btcutil.Amount(300000) + p := lntest.OpenChannelParams{Amt: chanAmt} + reqs := []*lntest.OpenChannelRequest{ + {Local: alice, Remote: bob, Param: p}, + {Local: bob, Remote: carol, Param: p}, + } + resp := ht.OpenMultiChannelsAsync(reqs) + cpAB, cpBC := resp[0], resp[1] + + // Make sure Alice is aware of channel Bob=>Carol. + ht.AssertTopologyChannelOpen(alice, cpBC) + + // First we check that the payment is successful when bob resumes the + // htlc even though the payment context was canceled before invoice + // settlement. + sendPaymentInterceptAndCancel( + ht, ts, cpAB, routerrpc.ResolveHoldForwardAction_RESUME, + lnrpc.Payment_SUCCEEDED, + ) + + // Next we check that the context cancellation results in the expected + // failure reason while the htlc is being held and failed after + // cancellation. + // Note that we'd have to reset Alice's mission control if we tested the + // htlc fail case before the htlc resume case. + sendPaymentInterceptAndCancel( + ht, ts, cpAB, routerrpc.ResolveHoldForwardAction_FAIL, + lnrpc.Payment_FAILED, + ) + + // Finally, close channels. + ht.CloseChannel(alice, cpAB) + ht.CloseChannel(bob, cpBC) +} + +func sendPaymentInterceptAndCancel(ht *lntest.HarnessTest, + ts *interceptorTestScenario, cpAB *lnrpc.ChannelPoint, + interceptorAction routerrpc.ResolveHoldForwardAction, + expectedPaymentStatus lnrpc.Payment_PaymentStatus) { + + // Prepare the test cases. + alice, bob, carol := ts.alice, ts.bob, ts.carol + + // Connect the interceptor. + interceptor, cancelInterceptor := bob.RPC.HtlcInterceptor() + + // Prepare the test cases. + addResponse := carol.RPC.AddInvoice(&lnrpc.Invoice{ + ValueMsat: 1000, + }) + invoice := carol.RPC.LookupInvoice(addResponse.RHash) + + // We initiate a payment from Alice and define the payment context + // cancellable. + ctx, cancelPaymentContext := context.WithCancel(context.Background()) + var paymentStream rpc.PaymentClient + go func() { + req := &routerrpc.SendPaymentRequest{ + PaymentRequest: invoice.PaymentRequest, + TimeoutSeconds: 60, + FeeLimitSat: 100000, + Cancelable: true, + } + + paymentStream = alice.RPC.SendPaymentWithContext(ctx, req) + }() + + // We start the htlc interceptor with a simple implementation that + // saves all intercepted packets. These packets are held to simulate a + // pending payment. + packet := ht.ReceiveHtlcInterceptor(interceptor) + + // Here we should wait for the channel to contain a pending htlc, and + // also be shown as being active. + ht.AssertIncomingHTLCActive(bob, cpAB, invoice.RHash) + + // Ensure that Alice's payment is in-flight because Bob is holding the + // htlc. + ht.AssertPaymentStatusFromStream(paymentStream, lnrpc.Payment_IN_FLIGHT) + + // Cancel the payment context. This should end the payment stream + // context, but the payment should still be in state in-flight without a + // failure reason. + cancelPaymentContext() + + var preimage lntypes.Preimage + copy(preimage[:], invoice.RPreimage) + payment := ht.AssertPaymentStatus( + alice, preimage, lnrpc.Payment_IN_FLIGHT, + ) + reasonNone := lnrpc.PaymentFailureReason_FAILURE_REASON_NONE + require.Equal(ht, reasonNone, payment.FailureReason) + + // Bob sends the interceptor action to the intercepted htlc. + err := interceptor.Send(&routerrpc.ForwardHtlcInterceptResponse{ + IncomingCircuitKey: packet.IncomingCircuitKey, + Action: interceptorAction, + }) + require.NoError(ht, err, "failed to send request") + + // Assert that the payment status is as expected. + ht.AssertPaymentStatus(alice, preimage, expectedPaymentStatus) + + // Since the payment context was cancelled, no further payment attempts + // should've been made, and we observe FAILURE_REASON_CANCELED. + expectedReason := lnrpc.PaymentFailureReason_FAILURE_REASON_CANCELED + ht.AssertPaymentFailureReason(alice, preimage, expectedReason) + + // Cancel the context, which will disconnect the above interceptor. + cancelInterceptor() +} diff --git a/lntest/harness_assertion.go b/lntest/harness_assertion.go index 5ef2ec3dfa..615263373c 100644 --- a/lntest/harness_assertion.go +++ b/lntest/harness_assertion.go @@ -1639,6 +1639,24 @@ func (h *HarnessTest) AssertPaymentStatus(hn *node.HarnessNode, return target } +// AssertPaymentFailureReason asserts that the given node lists a payment with +// the given preimage which has the expected failure reason. +func (h *HarnessTest) AssertPaymentFailureReason(hn *node.HarnessNode, + preimage lntypes.Preimage, reason lnrpc.PaymentFailureReason) { + + payHash := preimage.Hash() + err := wait.NoError(func() error { + p := h.findPayment(hn, payHash.String()) + if reason == p.FailureReason { + return nil + } + + return fmt.Errorf("payment: %v failure reason not match, "+ + "want %s got %s", payHash, reason, p.Status) + }, DefaultTimeout) + require.NoError(h, err, "timeout checking payment failure reason") +} + // AssertActiveNodesSynced asserts all active nodes have synced to the chain. func (h *HarnessTest) AssertActiveNodesSynced() { for _, node := range h.manager.activeNodes { diff --git a/lntest/rpc/router.go b/lntest/rpc/router.go index fbf44cb18a..8bb8a92e39 100644 --- a/lntest/rpc/router.go +++ b/lntest/rpc/router.go @@ -36,7 +36,7 @@ func (h *HarnessRPC) SendPayment( req *routerrpc.SendPaymentRequest) PaymentClient { // SendPayment needs to have the context alive for the entire test case - // as the router relies on the context to propagate HTLCs. Thus we use + // as the router relies on the context to propagate HTLCs. Thus, we use // runCtx here instead of a timeout context. stream, err := h.Router.SendPaymentV2(h.runCtx, req) h.NoError(err, "SendPaymentV2") @@ -44,6 +44,21 @@ func (h *HarnessRPC) SendPayment( return stream } +// SendPaymentWithContext sends a payment using the given node and payment +// request and does so with the passed in context. +func (h *HarnessRPC) SendPaymentWithContext(context context.Context, + req *routerrpc.SendPaymentRequest) PaymentClient { + + require.NotNil(h.T, context, "context must not be nil") + + // SendPayment needs to have the context alive for the entire test case + // as the router relies on the context to propagate HTLCs. + stream, err := h.Router.SendPaymentV2(context, req) + h.NoError(err, "SendPaymentV2") + + return stream +} + type HtlcEventsClient routerrpc.Router_SubscribeHtlcEventsClient // SubscribeHtlcEvents makes a subscription to the HTLC events and returns a From 808d958c9c898513b62c710e6807eea2fa3d35c1 Mon Sep 17 00:00:00 2001 From: Slyghtning Date: Thu, 13 Jun 2024 09:44:30 +0200 Subject: [PATCH 233/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index a4cbda9ecb..030b47da32 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -110,6 +110,11 @@ commitment when the channel was force closed. `--amp` flag when sending a payment specifying the payment request. ## Code Health + +* [Added](https://github.com/lightningnetwork/lnd/pull/8836) a new failure + reason `FailureReasonCanceled` to the list of payment failure reasons. It + indicates that a payment was manually cancelled by the user. + ## Breaking Changes ## Performance Improvements From e4c7c106184af7392b5fd842550bcf4b6b3ee300 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Tue, 25 Jun 2024 11:26:08 +0200 Subject: [PATCH 234/343] routing: handle both amounts equally We duplicate the function calls to handle the min amount and known amount cases in a similar manner, to make the next diff easier to parse. --- routing/router.go | 46 ++++++++++++++++++++++++++++++---------------- 1 file changed, 30 insertions(+), 16 deletions(-) diff --git a/routing/router.go b/routing/router.go index 85a4afd55b..3d2c34eac7 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1441,31 +1441,45 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, // amount that this route can carry. useMinAmt := amt == nil - var runningAmt lnwire.MilliSatoshi + var ( + receiverAmt lnwire.MilliSatoshi + pathEdges []*unifiedEdge + ) + if useMinAmt { // For minimum amount routes, aim to deliver at least 1 msat to // the destination. There are nodes in the wild that have a // min_htlc channel policy of zero, which could lead to a zero // amount payment being made. - runningAmt = 1 + senderAmt, err := senderAmtBackwardPass( + unifiers, useMinAmt, 1, bandwidthHints, + ) + if err != nil { + return nil, err + } + + pathEdges, receiverAmt, err = getPathEdges( + senderAmt, unifiers, bandwidthHints, + ) + if err != nil { + return nil, err + } } else { // If an amount is specified, we need to build a route that // delivers exactly this amount to the final destination. - runningAmt = *amt - } - - senderAmt, err := senderAmtBackwardPass( - unifiers, useMinAmt, runningAmt, bandwidthHints, - ) - if err != nil { - return nil, err - } + senderAmt, err := senderAmtBackwardPass( + unifiers, useMinAmt, *amt, bandwidthHints, + ) + if err != nil { + return nil, err + } - pathEdges, receiverAmt, err := getPathEdges( - senderAmt, unifiers, bandwidthHints, - ) - if err != nil { - return nil, err + pathEdges, receiverAmt, err = getPathEdges( + senderAmt, unifiers, bandwidthHints, + ) + if err != nil { + return nil, err + } } // Fetch the current block height outside the routing transaction, to From c18694ff5eec31fc9070ca844246aa558181b29e Mon Sep 17 00:00:00 2001 From: bitromortac Date: Tue, 25 Jun 2024 11:45:36 +0200 Subject: [PATCH 235/343] routing: backward pass determines unified edges We shift the duty of determining the policies to the backward pass as the forward pass will only be responsible for finding the corrected receiver amount. Note that this is not a pure refactor as demonstrated in the test, as the forward pass doesn't select new policies anymore, which is less flexible and doesn't lead to the highest possible receiver amount. This is however neccessary as we otherwise won't be able to compute forwarding amounts involving inbound fees and this edge case is unlikely to occur, because we search for a min amount for a route that was most likely constructed for a larger amount. --- routing/router.go | 63 ++++++------ routing/router_test.go | 220 ++++++++++++++++++++++++++++++++++------- 2 files changed, 215 insertions(+), 68 deletions(-) diff --git a/routing/router.go b/routing/router.go index 3d2c34eac7..1fce71fb35 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1451,35 +1451,29 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, // the destination. There are nodes in the wild that have a // min_htlc channel policy of zero, which could lead to a zero // amount payment being made. - senderAmt, err := senderAmtBackwardPass( + var senderAmt lnwire.MilliSatoshi + pathEdges, senderAmt, err = senderAmtBackwardPass( unifiers, useMinAmt, 1, bandwidthHints, ) if err != nil { return nil, err } - pathEdges, receiverAmt, err = getPathEdges( - senderAmt, unifiers, bandwidthHints, - ) + receiverAmt, err = receiverAmtForwardPass(senderAmt, pathEdges) if err != nil { return nil, err } } else { // If an amount is specified, we need to build a route that // delivers exactly this amount to the final destination. - senderAmt, err := senderAmtBackwardPass( + pathEdges, _, err = senderAmtBackwardPass( unifiers, useMinAmt, *amt, bandwidthHints, ) if err != nil { return nil, err } - pathEdges, receiverAmt, err = getPathEdges( - senderAmt, unifiers, bandwidthHints, - ) - if err != nil { - return nil, err - } + receiverAmt = *amt } // Fetch the current block height outside the routing transaction, to @@ -1547,12 +1541,15 @@ func getEdgeUnifiers(source route.Vertex, hops []route.Vertex, return unifiers, nil } -// senderAmtBackwardPass determines the amount that should be sent to fulfill -// min HTLC requirements. The minimal sender amount can be searched for by -// activating useMinAmt. +// senderAmtBackwardPass returns a list of unified edges for the given route and +// determines the amount that should be sent to fulfill min HTLC requirements. +// The minimal sender amount can be searched for by activating useMinAmt. func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, runningAmt lnwire.MilliSatoshi, - bandwidthHints *bandwidthManager) (lnwire.MilliSatoshi, error) { + bandwidthHints bandwidthHints) ([]*unifiedEdge, lnwire.MilliSatoshi, + error) { + + var unifiedEdges = make([]*unifiedEdge, len(unifiers)) // Traverse hops backwards to accumulate fees in the running amounts. for i := len(unifiers) - 1; i >= 0; i-- { @@ -1573,7 +1570,7 @@ func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, log.Errorf("Cannot find policy with amt=%v for hop %v", runningAmt, i) - return 0, ErrNoChannel{ + return nil, 0, ErrNoChannel{ position: i, } } @@ -1585,37 +1582,37 @@ func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, log.Tracef("Select channel %v at position %v", edge.policy.ChannelID, i) + + unifiedEdges[i] = edge } - return runningAmt, nil + return unifiedEdges, runningAmt, nil } -// getPathEdges returns the edges that make up the path and the total amount, -// including fees, to send the payment. -func getPathEdges(receiverAmt lnwire.MilliSatoshi, unifiers []*edgeUnifier, - bandwidthHints *bandwidthManager) ([]*unifiedEdge, lnwire.MilliSatoshi, - error) { +// receiverAmtForwardPass returns the amount that a receiver will receive after +// deducting all fees from the sender amount. +func receiverAmtForwardPass(runningAmt lnwire.MilliSatoshi, + unifiedEdges []*unifiedEdge) (lnwire.MilliSatoshi, error) { // Now that we arrived at the start of the route and found out the route // total amount, we make a forward pass. Because the amount may have // been increased in the backward pass, fees need to be recalculated and // amount ranges re-checked. - var pathEdges []*unifiedEdge - for i, unifier := range unifiers { - edge := unifier.getEdge(receiverAmt, bandwidthHints, 0) - if edge == nil { - return nil, 0, ErrNoChannel{position: i} - } - + for i, edge := range unifiedEdges { if i > 0 { // Decrease the amount to send while going forward. - receiverAmt -= edge.policy.ComputeFeeFromIncoming( - receiverAmt, + runningAmt -= edge.policy.ComputeFeeFromIncoming( + runningAmt, ) } - pathEdges = append(pathEdges, edge) + if !edge.amtInRange(runningAmt) { + log.Errorf("Amount %v not in range for hop %v", + runningAmt, i) + + return 0, ErrNoChannel{position: i} + } } - return pathEdges, receiverAmt, nil + return runningAmt, nil } diff --git a/routing/router_test.go b/routing/router_test.go index 6b80bd86e3..3371678c10 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -1669,53 +1669,122 @@ func TestBuildRoute(t *testing.T) { // channel 8 to be used, because its policy has the highest fee rate, // bumping the amount to 20000 msat leading to a sender amount of 21200 // msat including the fees for hop over channel 8. In the forward pass - // however, we discover that the max HTLC constraint of channel 8 is - // violated after subtracting the fee, which is why we change the policy - // to the one of channel 3. This leads to a delivered amount of 20191 - // msat, in contrast to the naive 20000 msat from the min HTLC - // constraint of both channels. + // however, we subtract that fee again, resulting in the min HTLC + // amount. The forward pass doesn't check for a different policy that + // could me more applicable, which is why we don't get back the highest + // amount that could be delivered to the receiver of 21819 msat, using + // policy of channel 3. hops = []route.Vertex{ctx.aliases["b"], ctx.aliases["z"]} rt, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) require.NoError(t, err) - checkHops(rt, []uint64{1, 3}, payAddr) + checkHops(rt, []uint64{1, 8}, payAddr) require.Equal(t, lnwire.MilliSatoshi(21200), rt.TotalAmount) - require.Equal(t, lnwire.MilliSatoshi(20191), rt.Hops[1].AmtToForward) + require.Equal(t, lnwire.MilliSatoshi(20000), rt.Hops[1].AmtToForward) + } -// TestGetPathEdges tests that the getPathEdges function returns the expected -// edges and amount when given a set of unifiers and does not panic. -func TestGetPathEdges(t *testing.T) { +// TestReceiverAmtForwardPass tests that the forward pass returns the expected +// receiver amount when given a set of edges and does not panic. +func TestReceiverAmtForwardPass(t *testing.T) { t.Parallel() - const startingBlockHeight = 101 - ctx := createTestCtxFromFile(t, startingBlockHeight, basicGraphFilePath) - testCases := []struct { - sourceNode route.Vertex - amt lnwire.MilliSatoshi - unifiers []*edgeUnifier - bandwidthHints *bandwidthManager - hops []route.Vertex - - expectedEdges []*models.CachedEdgePolicy - expectedAmt lnwire.MilliSatoshi - expectedErr string - }{{ - sourceNode: ctx.aliases["roasbeef"], - unifiers: []*edgeUnifier{ - { - edges: []*unifiedEdge{}, - localChan: true, + name string + amt lnwire.MilliSatoshi + unifiedEdges []*unifiedEdge + hops []route.Vertex + + expectedAmt lnwire.MilliSatoshi + expectedErr string + }{ + { + name: "empty", + }, + { + name: "single edge, no valid policy", + amt: 1000, + unifiedEdges: []*unifiedEdge{ + { + policy: &models.CachedEdgePolicy{ + MinHTLC: 1001, + }, + }, }, + expectedErr: fmt.Sprintf("no matching outgoing " + + "channel available for node index 0"), }, - expectedErr: fmt.Sprintf("no matching outgoing channel " + - "available for node index 0"), - }} + { + name: "single edge", + amt: 1000, + unifiedEdges: []*unifiedEdge{ + { + policy: &models.CachedEdgePolicy{ + MinHTLC: 1000, + }, + }, + }, + expectedAmt: 1000, + }, + { + name: "outbound fee, no rounding", + amt: 1e9, + unifiedEdges: []*unifiedEdge{ + { + // The first hop's outbound fee is + // irrelevant in fee calculation. + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 1234, + FeeProportionalMillionths: 1234, + }, + }, + { + // No rounding is done here. + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 1000, + FeeProportionalMillionths: 1000, + }, + }, + }, + // From an outgoing amount of 999000000 msat, we get + // in = out + base + out * rate = 1000000000.0 + // + // The inverse outgoing amount for this is + // out = (in - base) / (1 + rate) = + // (1e9 - 1000) / (1 + 1e-3) = 999000000.0000001, + // which is rounded down. + expectedAmt: 999000000, + }, + { + name: "outbound fee, rounding", + amt: 1e9, + unifiedEdges: []*unifiedEdge{ + { + // The first hop's outbound fee is + // irrelevant in fee calculation. + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 1234, + FeeProportionalMillionths: 1234, + }, + }, + { + // This policy is chosen such that we + // round down. + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 1000, + FeeProportionalMillionths: 999, + }, + }, + }, + // The float amount for this is + // out = (in - base) / (1 + rate) = + // (1e9 - 1000) / (1 + 999e-6) = 999000998.002995, + // which is rounded up. + expectedAmt: 999000999, + }, + } for _, tc := range testCases { - pathEdges, amt, err := getPathEdges( - tc.amt, tc.unifiers, tc.bandwidthHints, - ) + amt, err := receiverAmtForwardPass(tc.amt, tc.unifiedEdges) if tc.expectedErr != "" { require.Error(t, err) @@ -1725,11 +1794,92 @@ func TestGetPathEdges(t *testing.T) { } require.NoError(t, err) - require.Equal(t, pathEdges, tc.expectedEdges) require.Equal(t, amt, tc.expectedAmt) } } +// TestSenderAmtBackwardPass tests that the computation of the sender amount is +// done correctly for route building. +func TestSenderAmtBackwardPass(t *testing.T) { + bandwidthHints := bandwidthManager{ + getLink: func(chanId lnwire.ShortChannelID) ( + htlcswitch.ChannelLink, error) { + + return nil, nil + }, + localChans: make(map[lnwire.ShortChannelID]struct{}), + } + + var ( + capacity btcutil.Amount = 1_000_000 + testReceiverAmt lnwire.MilliSatoshi = 1_000_000 + minHTLC lnwire.MilliSatoshi = 1_000 + ) + + edgeUnifiers := []*edgeUnifier{ + { + edges: []*unifiedEdge{ + { + // This outbound fee doesn't have an + // effect (sender doesn't pay outbound). + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 112, + }, + capacity: capacity, + }, + }, + }, + { + edges: []*unifiedEdge{ + { + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 222, + }, + capacity: capacity, + }, + }, + }, + { + edges: []*unifiedEdge{ + { + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 333, + MinHTLC: minHTLC, + }, + capacity: capacity, + }, + }, + }, + } + + // A search for an amount that is below the minimum HTLC amount should + // fail. + _, _, err := senderAmtBackwardPass( + edgeUnifiers, false, minHTLC-1, &bandwidthHints, + ) + require.Error(t, err) + + // Do a min amount search. + unifiedEdges, senderAmount, err := senderAmtBackwardPass( + edgeUnifiers, true, 1, &bandwidthHints, + ) + require.NoError(t, err) + require.Equal(t, minHTLC+333+222, senderAmount) + + // Do a search for a specific amount. + unifiedEdges, senderAmount, err = senderAmtBackwardPass( + edgeUnifiers, false, testReceiverAmt, &bandwidthHints, + ) + require.NoError(t, err) + require.Equal(t, testReceiverAmt+333+222, senderAmount) + + // Check that we arrive at the same receiver amount by doing a forward + // pass. + receiverAmt, err := receiverAmtForwardPass(senderAmount, unifiedEdges) + require.NoError(t, err) + require.Equal(t, testReceiverAmt, receiverAmt) +} + // TestSendToRouteSkipTempErrSuccess validates a successful payment send. func TestSendToRouteSkipTempErrSuccess(t *testing.T) { t.Parallel() From 2a6e54016f6e97bf99eaa08f98e2746f93d48a68 Mon Sep 17 00:00:00 2001 From: ffranr Date: Mon, 20 Nov 2023 18:19:43 +0000 Subject: [PATCH 236/343] Makefile: add lint check for Go version in Dockerfile and YAML Implemented linter scripts to ensure consistency of the Go version specified in Dockerfiles and YAML files. These scripts verify that the Go version used across these files is uniform, enhancing maintainability and reducing configuration errors. This commit also introduces a `GO_VERSION` Makefile variable to control the Go version used throughout the project. --- Makefile | 25 ++++++++- scripts/check-go-version-dockerfile.sh | 64 ++++++++++++++++++++++ scripts/check-go-version-yaml.sh | 75 ++++++++++++++++++++++++++ 3 files changed, 162 insertions(+), 2 deletions(-) create mode 100755 scripts/check-go-version-dockerfile.sh create mode 100755 scripts/check-go-version-yaml.sh diff --git a/Makefile b/Makefile index cb5d43e02c..d7e726df1f 100644 --- a/Makefile +++ b/Makefile @@ -32,6 +32,11 @@ ifeq ($(shell expr $(ACTIVE_GO_VERSION_MINOR) \>= 21), 1) LOOPVARFIX := GOEXPERIMENT=loopvar endif +# GO_VERSION is the Go version used for the release build, docker files, and +# GitHub Actions. This is the reference version for the project. All other Go +# versions are checked against this version. +GO_VERSION = 1.22.5 + GOBUILD := $(LOOPVARFIX) go build -v GOINSTALL := $(LOOPVARFIX) go install -v GOTEST := $(LOOPVARFIX) go test @@ -298,11 +303,27 @@ fmt-check: fmt @$(call print, "Checking fmt results.") if test -n "$$(git status --porcelain)"; then echo "code not formatted correctly, please run `make fmt` again!"; git status; git diff; exit 1; fi -#? lint: Run static code analysis -lint: docker-tools +#? check-go-version-yaml: Verify that the Go version is correct in all YAML files +check-go-version-yaml: + @$(call print, "Checking for target Go version (v$(GO_VERSION)) in YAML files (*.yaml, *.yml)") + ./scripts/check-go-version-yaml.sh $(GO_VERSION) + +#? check-go-version-dockerfile: Verify that the Go version is correct in all Dockerfile files +check-go-version-dockerfile: + @$(call print, "Checking for target Go version (v$(GO_VERSION)) in Dockerfile files (*Dockerfile)") + ./scripts/check-go-version-dockerfile.sh $(GO_VERSION) + +#? check-go-version: Verify that the Go version is correct in all project files +check-go-version: check-go-version-dockerfile check-go-version-yaml + +#? lint-source: Run static code analysis +lint-source: docker-tools @$(call print, "Linting source.") $(DOCKER_TOOLS) golangci-lint run -v $(LINT_WORKERS) +#? lint: Run static code analysis +lint: check-go-version lint-source + #? protolint: Lint proto files using protolint protolint: @$(call print, "Linting proto files.") diff --git a/scripts/check-go-version-dockerfile.sh b/scripts/check-go-version-dockerfile.sh new file mode 100755 index 0000000000..303ee42ede --- /dev/null +++ b/scripts/check-go-version-dockerfile.sh @@ -0,0 +1,64 @@ +#!/bin/bash + +# Function to check if the Dockerfile contains only the specified Go version. +check_go_version() { + local dockerfile="$1" + local required_go_version="$2" + + # Use grep to find lines with 'FROM golang:' + local go_lines=$(grep -i '^FROM golang:' "$dockerfile") + + # Check if all lines have the required Go version. + if [ -z "$go_lines" ]; then + # No Go version found in the file. Skip the check. + return + elif echo "$go_lines" | grep -q -v "$required_go_version"; then + echo "$go_lines" + echo "Error: $dockerfile does not use Go version $required_go_version exclusively." + exit 1 + else + echo "$dockerfile is using Go version $required_go_version." + fi +} + +# Check if the target Go version argument is provided. +if [ $# -eq 0 ]; then + echo "Usage: $0 " + exit 1 +fi + +target_go_version="$1" + +# File paths to be excluded from the check. +exception_list=( + # Exclude the tools Dockerfile as otherwise the linter may need to be + # considered every time the Go version is updated. + "./tools/Dockerfile" +) + +# is_exception checks if a file is in the exception list. +is_exception() { + local file="$1" + for exception in "${exception_list[@]}"; do + if [ "$file" == "$exception" ]; then + return 0 + fi + done + return 1 +} + +# Search for Dockerfiles in the current directory and its subdirectories. +dockerfiles=$(find . -type f -name "*.Dockerfile" -o -name "Dockerfile") + +# Check each Dockerfile +for file in $dockerfiles; do + # Skip the file if it is in the exception list. + if is_exception "$file"; then + echo "Skipping $file" + continue + fi + + check_go_version "$file" "$target_go_version" +done + +echo "All Dockerfiles pass the Go version check for Go version $target_go_version." diff --git a/scripts/check-go-version-yaml.sh b/scripts/check-go-version-yaml.sh new file mode 100755 index 0000000000..bd65ffa01e --- /dev/null +++ b/scripts/check-go-version-yaml.sh @@ -0,0 +1,75 @@ +#!/bin/bash + +# Function to check if the YAML file contains the specified Go version after +# field 'go:'. +check_go_version_yaml() { + local yamlfile="$1" + local required_go_version="$2" + + # Use grep to find lines with 'go:'. The grep exist status is ignored. + local go_lines=$(grep -i '^\s*go:\s*"[0-9]\+\.[0-9]\+\(\.[0-9]\+\)\?"' "$yamlfile" || true) + + # Check if any lines specify the Go version. + if [ -n "$go_lines" ]; then + # Extract the Go version from the file's lines. Example matching strings: + # go: "1.21.0" + local extracted_go_version=$(echo "$go_lines" | sed -n 's/.*go: "\([^"]*\)".*/\1/p') + + # Check if the extracted Go version matches the required version. + if [ "$extracted_go_version" != "$required_go_version" ]; then + echo "Error finding pattern 'go:': $yamlfile specifies Go version '$extracted_go_version', but required version is '$required_go_version'." + exit 1 + else + echo "$yamlfile specifies Go version $required_go_version." + fi + fi +} + +# Function to check if the YAML file contains the specified Go version after +# environment variable 'GO_VERSION:'. +check_go_version_env_variable() { + local yamlfile="$1" + local required_go_version="$2" + + # Use grep to find lines with 'GO_VERSION:'. The grep exist status is + # ignored. + local go_lines=$(grep -i 'GO_VERSION:' "$yamlfile" || true) + + # Check if any lines specify the Go version. + if [ -n "$go_lines" ]; then + # Extract the Go version from the file's lines. Example matching strings: + # GO_VERSION: "1.21.0" + # GO_VERSION: '1.21.0' + # GO_VERSION: 1.21.0 + # GO_VERSION:1.21.0 + # GO_VERSION:1.21.0 + local extracted_go_version=$(echo "$go_lines" | sed -n 's/.*GO_VERSION[: ]*["'\'']*\([0-9.]*\).*/\1/p') + + # Check if the extracted Go version matches the required version. + if [ "$extracted_go_version" != "$required_go_version" ]; then + echo "Error finding pattern 'GO_VERSION:': $yamlfile specifies Go version '$extracted_go_version', but required version is '$required_go_version'." + exit 1 + else + echo "$yamlfile specifies Go version $required_go_version." + fi + fi +} + +# Check if the target Go version argument is provided. +if [ $# -eq 0 ]; then + echo "Usage: $0 " + exit 1 +fi + +target_go_version="$1" + +# Search for YAML files in the current directory and its subdirectories. +yaml_files=$(find . -type f \( -name "*.yaml" -o -name "*.yml" \)) + +# Check each YAML file. +for file in $yaml_files; do + check_go_version_yaml "$file" "$target_go_version" + check_go_version_env_variable "$file" "$target_go_version" +done + +echo "All YAML files pass the Go version check for Go version $target_go_version." From 0fd4c7d5f94837abe6e977fcafe077d7842acea0 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 25 Jul 2024 18:09:26 +0200 Subject: [PATCH 237/343] healthcheck: improve logging of observers --- healthcheck/healthcheck.go | 34 +++++++++++++++++++++++----------- 1 file changed, 23 insertions(+), 11 deletions(-) diff --git a/healthcheck/healthcheck.go b/healthcheck/healthcheck.go index e15cbd4cb0..ed48666784 100644 --- a/healthcheck/healthcheck.go +++ b/healthcheck/healthcheck.go @@ -234,14 +234,13 @@ func (o *Observation) monitor(shutdown shutdownFunc, quit chan struct{}) { // the max attempts are reached. In that case we will // stop the ticker and quit. if o.retryCheck(quit, shutdown) { - log.Debugf("Health check: max attempts " + - "failed, monitor exiting") + o.Debugf("max attempts failed, monitor exiting") return } // Exit if we receive the instruction to shutdown. case <-quit: - log.Debug("Health check: monitor quit") + o.Debugf("monitor quit") return } } @@ -270,7 +269,7 @@ func (o *Observation) retryCheck(quit chan struct{}, // so we'll invoke our success callback if defined and // then exit. if err == nil { - log.Debug("invoking success callback") + o.Debugf("invoking success callback") // Invoke the success callback. o.OnSuccess() @@ -283,7 +282,7 @@ func (o *Observation) retryCheck(quit chan struct{}, "%v", o, o.Timeout) case <-quit: - log.Debug("Health check: monitor quit") + o.Debugf("monitor quit") return false } @@ -291,17 +290,18 @@ func (o *Observation) retryCheck(quit chan struct{}, // check has failed so we'll fire the on failure callback // and request shutdown. if count == o.Attempts { - log.Debug("invoking failure callback") + o.Debugf("invoking failure callback") o.OnFailure() - shutdown("Health check: %v failed after %v "+ - "calls", o, o.Attempts) + shutdown("Health check: %v failed after %v calls", o, + o.Attempts) + return true } - log.Infof("Health check: %v, call: %v failed with: %v, "+ - "backing off for: %v", o, count, err, o.Backoff) + o.Infof("failed with: %v, attempts: %v backing off for: %v", + err, count, o.Backoff) // If we are still within the number of calls allowed for this // check, we wait for our back off period to elapse, or exit if @@ -310,10 +310,22 @@ func (o *Observation) retryCheck(quit chan struct{}, case <-time.After(o.Backoff): case <-quit: - log.Debug("Health check: monitor quit") + o.Debugf("monitor quit") return false } } return false } + +// Infof logs an info message for an observation prefixed with the health check +// name. +func (o *Observation) Infof(format string, params ...interface{}) { + log.Debugf(fmt.Sprintf("Health check: %v ", o)+format, params...) +} + +// Debugf logs a debug message for an observation prefixed with the health check +// name. +func (o *Observation) Debugf(format string, params ...interface{}) { + log.Debugf(fmt.Sprintf("Health check: %v ", o)+format, params...) +} From 2c8d1c878ecce74eb502134d546ab50972ac3cea Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 25 Jul 2024 18:13:20 +0200 Subject: [PATCH 238/343] kvdb: make etcd calls timeout to ensure liveness Previously our RPC calls to etcd would hang even in the case of properly set dial timeouts and even if there was a network partition. To ensure liveness we need to make sure that calls fail correctly in case of system failure. To fix this we add a default timeout of 30 seconds to each etcd RPC call. --- kvdb/etcd/stm.go | 36 ++++++++++++++++++++++++++++++++---- 1 file changed, 32 insertions(+), 4 deletions(-) diff --git a/kvdb/etcd/stm.go b/kvdb/etcd/stm.go index 5b3a9a9772..3c933d5c4c 100644 --- a/kvdb/etcd/stm.go +++ b/kvdb/etcd/stm.go @@ -8,12 +8,25 @@ import ( "fmt" "math" "strings" + "time" "github.com/google/btree" pb "go.etcd.io/etcd/api/v3/etcdserverpb" v3 "go.etcd.io/etcd/client/v3" ) +const ( + // rpcTimeout is the timeout for all RPC calls to etcd. It is set to 30 + // seconds to avoid blocking the server for too long but give reasonable + // time for etcd to respond. If any operations would take longer than 30 + // seconds that generally means there's a problem with the etcd server + // or the network resulting in degraded performance in which case we + // want LND to fail fast. Due to the underlying gRPC implementation in + // etcd calls without a timeout can hang indefinitely even in the case + // of network partitions or other critical failures. + rpcTimeout = time.Second * 30 +) + type CommitStats struct { Rset int Wset int @@ -609,8 +622,13 @@ func (s *stm) FetchRangePaginatedRaw(prefix string, limit int64, key := prefix for { + timeoutCtx, cancel := context.WithTimeout( + s.options.ctx, rpcTimeout, + ) + defer cancel() + resp, err := s.client.Get( - s.options.ctx, key, append(opts, s.getOpts...)..., + timeoutCtx, key, append(opts, s.getOpts...)..., ) if err != nil { return DatabaseError{ @@ -645,8 +663,12 @@ func (s *stm) FetchRangePaginatedRaw(prefix string, limit int64, // We'll also cache the returned key/value in the read set. func (s *stm) fetch(key string, opts ...v3.OpOption) ([]KV, error) { s.callCount++ + + timeoutCtx, cancel := context.WithTimeout(s.options.ctx, rpcTimeout) + defer cancel() + resp, err := s.client.Get( - s.options.ctx, key, append(opts, s.getOpts...)..., + timeoutCtx, key, append(opts, s.getOpts...)..., ) if err != nil { return nil, DatabaseError{ @@ -1049,7 +1071,10 @@ func (s *stm) Prefetch(keys []string, prefixes []string) { []v3.OpOption{v3.WithPrefix()}, s.getOpts..., ) - txn := s.client.Txn(s.options.ctx) + timeoutCtx, cancel := context.WithTimeout(s.options.ctx, rpcTimeout) + defer cancel() + + txn := s.client.Txn(timeoutCtx) ops := make([]v3.Op, 0, len(fetchKeys)+len(fetchPrefixes)) for _, key := range fetchKeys { @@ -1103,8 +1128,11 @@ func (s *stm) commit() (CommitStats, error) { // Create the compare set. cmps := append(rset, wset...) + // Create a transaction with the optional abort context. - txn := s.client.Txn(s.options.ctx) + timeoutCtx, cancel := context.WithTimeout(s.options.ctx, rpcTimeout) + defer cancel() + txn := s.client.Txn(timeoutCtx) // If the compare set holds, try executing the puts. txn = txn.If(cmps...) From 7784d6abf613655facd1f279f47260eabf2211a8 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 25 Jul 2024 18:20:13 +0200 Subject: [PATCH 239/343] build: pin healthcheck and kvdb modules temporarily This is to ensure that the added functionality works correctly and should be removed once these changes are merged and the packages are tagged. --- go.mod | 6 ++++++ go.sum | 4 ---- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/go.mod b/go.mod index 69e59f3576..f3d7d16557 100644 --- a/go.mod +++ b/go.mod @@ -207,6 +207,12 @@ replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-d // Temporary replace until the next version of sqldb is tagged. replace github.com/lightningnetwork/lnd/sqldb => ./sqldb +// Temporary replace until the next version of healthcheck is tagged. +replace github.com/lightningnetwork/lnd/healthcheck => ./healthcheck + +// Temporary replace until the next version of kvdb is tagged. +replace github.com/lightningnetwork/lnd/kvdb => ./kvdb + // If you change this please also update .github/pull_request_template.md and // docs/INSTALL.md. go 1.21.4 diff --git a/go.sum b/go.sum index d371e48377..d8536ac54c 100644 --- a/go.sum +++ b/go.sum @@ -452,10 +452,6 @@ github.com/lightningnetwork/lnd/clock v1.1.1 h1:OfR3/zcJd2RhH0RU+zX/77c0ZiOnIMsD github.com/lightningnetwork/lnd/clock v1.1.1/go.mod h1:mGnAhPyjYZQJmebS7aevElXKTFDuO+uNFFfMXK1W8xQ= github.com/lightningnetwork/lnd/fn v1.2.0 h1:YTb2m8NN5ZiJAskHeBZAmR1AiPY8SXziIYPAX1VI/ZM= github.com/lightningnetwork/lnd/fn v1.2.0/go.mod h1:SyFohpVrARPKH3XVAJZlXdVe+IwMYc4OMAvrDY32kw0= -github.com/lightningnetwork/lnd/healthcheck v1.2.4 h1:lLPLac+p/TllByxGSlkCwkJlkddqMP5UCoawCj3mgFQ= -github.com/lightningnetwork/lnd/healthcheck v1.2.4/go.mod h1:G7Tst2tVvWo7cx6mSBEToQC5L1XOGxzZTPB29g9Rv2I= -github.com/lightningnetwork/lnd/kvdb v1.4.8 h1:xH0a5Vi1yrcZ5BEeF2ba3vlKBRxrL9uYXlWTjOjbNTY= -github.com/lightningnetwork/lnd/kvdb v1.4.8/go.mod h1:J2diNABOoII9UrMnxXS5w7vZwP7CA1CStrl8MnIrb3A= github.com/lightningnetwork/lnd/queue v1.1.1 h1:99ovBlpM9B0FRCGYJo6RSFDlt8/vOkQQZznVb18iNMI= github.com/lightningnetwork/lnd/queue v1.1.1/go.mod h1:7A6nC1Qrm32FHuhx/mi1cieAiBZo5O6l8IBIoQxvkz4= github.com/lightningnetwork/lnd/ticker v1.1.1 h1:J/b6N2hibFtC7JLV77ULQp++QLtCwT6ijJlbdiZFbSM= From 8e0534f756de1725028de324fe17cfffc05f61b7 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 25 Jul 2024 18:21:47 +0200 Subject: [PATCH 240/343] multi: add leader check to the healthcheck monitor This commit extends our healtcheck with an optional leader check. This is to ensure that given network partition or other cluster wide failure we act as soon as possible to avoid a split-brain situation where a new leader is elected but we still hold onto our etcd client. --- cluster/etcd_elector.go | 22 +++++++++++++-- cluster/etcd_elector_test.go | 4 +-- cluster/interface.go | 5 +++- config.go | 17 ++++++++++++ lncfg/healthcheck.go | 2 ++ lnd.go | 26 +++++++++++++++-- lntest/node/config.go | 3 ++ server.go | 54 +++++++++++++++++++++++++++++++++--- 8 files changed, 121 insertions(+), 12 deletions(-) diff --git a/cluster/etcd_elector.go b/cluster/etcd_elector.go index 25b11af25d..7e6c74d533 100644 --- a/cluster/etcd_elector.go +++ b/cluster/etcd_elector.go @@ -99,9 +99,27 @@ func (e *etcdLeaderElector) Leader(ctx context.Context) (string, error) { return "", err } + if resp == nil || len(resp.Kvs) == 0 { + return "", nil + } + return string(resp.Kvs[0].Value), nil } +// IsLeader returns true if the caller is the leader. +func (e *etcdLeaderElector) IsLeader(ctx context.Context) (bool, error) { + resp, err := e.election.Leader(ctx) + if err != nil { + return false, err + } + + if resp == nil || len(resp.Kvs) == 0 { + return false, nil + } + + return string(resp.Kvs[0].Value) == e.id, nil +} + // Campaign will start a new leader election campaign. Campaign will block until // the elector context is canceled or the caller is elected as the leader. func (e *etcdLeaderElector) Campaign(ctx context.Context) error { @@ -110,6 +128,6 @@ func (e *etcdLeaderElector) Campaign(ctx context.Context) error { // Resign resigns the leader role allowing other election members to take // the place. -func (e *etcdLeaderElector) Resign() error { - return e.election.Resign(context.Background()) +func (e *etcdLeaderElector) Resign(ctx context.Context) error { + return e.election.Resign(ctx) } diff --git a/cluster/etcd_elector_test.go b/cluster/etcd_elector_test.go index 999a3d7913..f7fcebec3b 100644 --- a/cluster/etcd_elector_test.go +++ b/cluster/etcd_elector_test.go @@ -87,12 +87,12 @@ func TestEtcdElector(t *testing.T) { tmp := <-ch first, err := tmp.Leader(ctxb) require.NoError(t, err) - require.NoError(t, tmp.Resign()) + require.NoError(t, tmp.Resign(ctxb)) tmp = <-ch second, err := tmp.Leader(ctxb) require.NoError(t, err) - require.NoError(t, tmp.Resign()) + require.NoError(t, tmp.Resign(ctxb)) require.Contains(t, []string{id1, id2}, first) require.Contains(t, []string{id1, id2}, second) diff --git a/cluster/interface.go b/cluster/interface.go index 8a317095ef..098c061a66 100644 --- a/cluster/interface.go +++ b/cluster/interface.go @@ -19,8 +19,11 @@ type LeaderElector interface { // Resign resigns from the leader role, allowing other election members // to take on leadership. - Resign() error + Resign(ctx context.Context) error // Leader returns the leader value for the current election. Leader(ctx context.Context) (string, error) + + // IsLeader returns true if the caller is the leader. + IsLeader(ctx context.Context) (bool, error) } diff --git a/config.go b/config.go index 792c286ac5..34d84720cb 100644 --- a/config.go +++ b/config.go @@ -169,6 +169,17 @@ const ( defaultRSBackoff = time.Second * 30 defaultRSAttempts = 1 + // Set defaults for a health check which ensures that the leader + // election is functioning correctly. Although this check is off by + // default (as etcd leader election is only used in a clustered setup), + // we still set the default values so that the health check can be + // easily enabled with sane defaults. Note that by default we only run + // this check once, as it is critical for the node's operation. + defaultLeaderCheckInterval = time.Minute + defaultLeaderCheckTimeout = time.Second * 5 + defaultLeaderCheckBackoff = time.Second * 5 + defaultLeaderCheckAttempts = 1 + // defaultRemoteMaxHtlcs specifies the default limit for maximum // concurrent HTLCs the remote party may add to commitment transactions. // This value can be overridden with --default-remote-max-htlcs. @@ -672,6 +683,12 @@ func DefaultConfig() Config { Attempts: defaultRSAttempts, Backoff: defaultRSBackoff, }, + LeaderCheck: &lncfg.CheckConfig{ + Interval: defaultLeaderCheckInterval, + Timeout: defaultLeaderCheckTimeout, + Attempts: defaultLeaderCheckAttempts, + Backoff: defaultLeaderCheckBackoff, + }, }, Gossip: &lncfg.Gossip{ MaxChannelUpdateBurst: discovery.DefaultMaxChannelUpdateBurst, diff --git a/lncfg/healthcheck.go b/lncfg/healthcheck.go index 92c4154749..9a14036879 100644 --- a/lncfg/healthcheck.go +++ b/lncfg/healthcheck.go @@ -34,6 +34,8 @@ type HealthCheckConfig struct { TorConnection *CheckConfig `group:"torconnection" namespace:"torconnection"` RemoteSigner *CheckConfig `group:"remotesigner" namespace:"remotesigner"` + + LeaderCheck *CheckConfig `group:"leader" namespace:"leader"` } // Validate checks the values configured for our health checks. diff --git a/lnd.go b/lnd.go index 0a85e1bf38..bc74c9b964 100644 --- a/lnd.go +++ b/lnd.go @@ -24,6 +24,7 @@ import ( "github.com/lightningnetwork/lnd/build" "github.com/lightningnetwork/lnd/chanacceptor" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/cluster" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lncfg" "github.com/lightningnetwork/lnd/lnrpc" @@ -56,6 +57,14 @@ const ( // admin macaroon unless the administrator explicitly allowed it. Thus // there's no harm allowing group read. adminMacaroonFilePermissions = 0640 + + // leaderResignTimeout is the timeout used when resigning from the + // leader role. This is kept short so LND can shut down quickly in case + // of a system failure or network partition making the cluster + // unresponsive. The cluster itself should ensure that the leader is not + // elected again until the previous leader has resigned or the leader + // election timeout has passed. + leaderResignTimeout = 5 * time.Second ) // AdminAuthOptions returns a list of DialOptions that can be used to @@ -381,6 +390,7 @@ func Main(cfg *Config, lisCfg ListenerCfg, implCfg *ImplementationCfg, // blocked until this instance is elected as the current leader or // shutting down. elected := false + var leaderElector cluster.LeaderElector if cfg.Cluster.EnableLeaderElection { electionCtx, cancelElection := context.WithCancel(ctx) @@ -392,7 +402,7 @@ func Main(cfg *Config, lisCfg ListenerCfg, implCfg *ImplementationCfg, ltndLog.Infof("Using %v leader elector", cfg.Cluster.LeaderElector) - leaderElector, err := cfg.Cluster.MakeLeaderElector( + leaderElector, err = cfg.Cluster.MakeLeaderElector( electionCtx, cfg.DB, ) if err != nil { @@ -407,7 +417,17 @@ func Main(cfg *Config, lisCfg ListenerCfg, implCfg *ImplementationCfg, ltndLog.Infof("Attempting to resign from leader role "+ "(%v)", cfg.Cluster.ID) - if err := leaderElector.Resign(); err != nil { + // Ensure that we don't block the shutdown process if + // the leader resigning process takes too long. The + // cluster will ensure that the leader is not elected + // again until the previous leader has resigned or the + // leader election timeout has passed. + timeoutCtx, cancel := context.WithTimeout( + ctx, leaderResignTimeout, + ) + defer cancel() + + if err := leaderElector.Resign(timeoutCtx); err != nil { ltndLog.Errorf("Leader elector failed to "+ "resign: %v", err) } @@ -579,7 +599,7 @@ func Main(cfg *Config, lisCfg ListenerCfg, implCfg *ImplementationCfg, server, err := newServer( cfg, cfg.Listeners, dbs, activeChainControl, &idKeyDesc, activeChainControl.Cfg.WalletUnlockParams.ChansToRestore, - multiAcceptor, torController, tlsManager, + multiAcceptor, torController, tlsManager, leaderElector, ) if err != nil { return mkErr("unable to create server: %v", err) diff --git a/lntest/node/config.go b/lntest/node/config.go index de1ea92ec0..f0e3f70593 100644 --- a/lntest/node/config.go +++ b/lntest/node/config.go @@ -315,6 +315,9 @@ func ExtraArgsEtcd(etcdCfg *etcd.Config, name string, cluster bool, leaderSessionTTL), } extraArgs = append(extraArgs, clusterArgs...) + extraArgs = append( + extraArgs, "--healthcheck.leader.interval=10s", + ) } return extraArgs diff --git a/server.go b/server.go index 5d52cd399d..ae05637bc9 100644 --- a/server.go +++ b/server.go @@ -36,6 +36,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/channelnotifier" "github.com/lightningnetwork/lnd/clock" + "github.com/lightningnetwork/lnd/cluster" "github.com/lightningnetwork/lnd/contractcourt" "github.com/lightningnetwork/lnd/discovery" "github.com/lightningnetwork/lnd/feature" @@ -484,8 +485,8 @@ func newServer(cfg *Config, listenAddrs []net.Addr, nodeKeyDesc *keychain.KeyDescriptor, chansToRestore walletunlocker.ChannelsToRecover, chanPredicate chanacceptor.ChannelAcceptor, - torController *tor.Controller, tlsManager *TLSManager) (*server, - error) { + torController *tor.Controller, tlsManager *TLSManager, + leaderElector cluster.LeaderElector) (*server, error) { var ( err error @@ -1674,7 +1675,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, } // Create liveness monitor. - s.createLivenessMonitor(cfg, cc) + s.createLivenessMonitor(cfg, cc, leaderElector) // Create the connection manager which will be responsible for // maintaining persistent outbound connections and also accepting new @@ -1721,7 +1722,9 @@ func (s *server) signAliasUpdate(u *lnwire.ChannelUpdate) (*ecdsa.Signature, // // If a health check has been disabled by setting attempts to 0, our monitor // will not run it. -func (s *server) createLivenessMonitor(cfg *Config, cc *chainreg.ChainControl) { +func (s *server) createLivenessMonitor(cfg *Config, cc *chainreg.ChainControl, + leaderElector cluster.LeaderElector) { + chainBackendAttempts := cfg.HealthChecks.ChainCheck.Attempts if cfg.Bitcoin.Node == "nochainbackend" { srvrLog.Info("Disabling chain backend checks for " + @@ -1837,6 +1840,49 @@ func (s *server) createLivenessMonitor(cfg *Config, cc *chainreg.ChainControl) { checks = append(checks, remoteSignerConnectionCheck) } + // If we have a leader elector, we add a health check to ensure we are + // still the leader. During normal operation, we should always be the + // leader, but there are circumstances where this may change, such as + // when we lose network connectivity for long enough expiring out lease. + if leaderElector != nil { + leaderCheck := healthcheck.NewObservation( + "leader status", + func() error { + // Check if we are still the leader. Note that + // we don't need to use a timeout context here + // as the healthcheck observer will handle the + // timeout case for us. + timeoutCtx, cancel := context.WithTimeout( + context.Background(), + cfg.HealthChecks.LeaderCheck.Timeout, + ) + defer cancel() + + leader, err := leaderElector.IsLeader( + timeoutCtx, + ) + if err != nil { + return fmt.Errorf("unable to check if "+ + "still leader: %v", err) + } + + if !leader { + srvrLog.Debug("Not the current leader") + return fmt.Errorf("not the current " + + "leader") + } + + return nil + }, + cfg.HealthChecks.LeaderCheck.Interval, + cfg.HealthChecks.LeaderCheck.Timeout, + cfg.HealthChecks.LeaderCheck.Backoff, + cfg.HealthChecks.LeaderCheck.Attempts, + ) + + checks = append(checks, leaderCheck) + } + // If we have not disabled all of our health checks, we create a // liveness monitor with our configured checks. s.livenessMonitor = healthcheck.NewMonitor( From 8e49eb652d7d335f3de683b7063b3f302dae74ec Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 25 Jul 2024 18:23:48 +0200 Subject: [PATCH 241/343] itest: add itest covering the leader healthcheck --- itest/list_on_test.go | 4 + itest/lnd_etcd_failover_test.go | 202 +++++++++++++++++++++++ itest/lnd_no_etcd_dummy_failover_test.go | 4 + 3 files changed, 210 insertions(+) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index adedfd5410..f02036e7c7 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -233,6 +233,10 @@ var allTestCases = []*lntest.TestCase{ Name: "etcd failover", TestFunc: testEtcdFailover, }, + { + Name: "leader health check", + TestFunc: testLeaderHealthCheck, + }, { Name: "hold invoice force close", TestFunc: testHoldInvoiceForceClose, diff --git a/itest/lnd_etcd_failover_test.go b/itest/lnd_etcd_failover_test.go index c2a345889c..53b1dd6b3d 100644 --- a/itest/lnd_etcd_failover_test.go +++ b/itest/lnd_etcd_failover_test.go @@ -4,6 +4,11 @@ package itest import ( + "context" + "fmt" + "io" + "net" + "sync" "testing" "time" @@ -137,3 +142,200 @@ func testEtcdFailoverCase(ht *lntest.HarnessTest, kill bool) { // process. ht.Shutdown(carol2) } + +// Proxy is a simple TCP proxy that forwards all traffic between a local and a +// remote address. We use it to simulate a network partition in the leader +// health check test. +type Proxy struct { + listenAddr string + targetAddr string + cancel context.CancelFunc + wg sync.WaitGroup + stopped chan struct{} +} + +// NewProxy creates a new Proxy instance with a provided context. +func NewProxy(listenAddr, targetAddr string) *Proxy { + return &Proxy{ + listenAddr: listenAddr, + targetAddr: targetAddr, + stopped: make(chan struct{}), + } +} + +// Start starts the proxy. It listens on the listen address and forwards all +// traffic to the target address. +func (p *Proxy) Start(ctx context.Context, t *testing.T) { + listener, err := net.Listen("tcp", p.listenAddr) + require.NoError(t, err, "Failed to listen on %s", p.listenAddr) + t.Logf("Proxy is listening on %s", p.listenAddr) + + proxyCtx, cancel := context.WithCancel(ctx) + p.cancel = cancel + + p.wg.Add(1) + go func() { + defer func() { + close(p.stopped) + p.wg.Done() + }() + + for { + select { + case <-proxyCtx.Done(): + listener.Close() + return + default: + } + + conn, err := listener.Accept() + if err != nil { + if proxyCtx.Err() != nil { + // Context is done, exit the loop + return + } + t.Logf("Proxy failed to accept connection: %v", + err) + + continue + } + + p.wg.Add(1) + go p.handleConnection(proxyCtx, t, conn) + } + }() +} + +// handleConnection handles an accepted connection and forwards all traffic +// between the listener and target. +func (p *Proxy) handleConnection(ctx context.Context, t *testing.T, + conn net.Conn) { + + targetConn, err := net.Dial("tcp", p.targetAddr) + require.NoError(t, err, "Failed to connect to target %s", p.targetAddr) + + defer func() { + conn.Close() + targetConn.Close() + p.wg.Done() + }() + + done := make(chan struct{}) + + p.wg.Add(2) + go func() { + defer p.wg.Done() + // Ignore the copy error due to the connection being closed. + _, _ = io.Copy(targetConn, conn) + }() + + go func() { + defer p.wg.Done() + // Ignore the copy error due to the connection being closed. + _, _ = io.Copy(conn, targetConn) + close(done) + }() + + select { + case <-ctx.Done(): + case <-done: + } +} + +// Stop stops the proxy and waits for all connections to be closed and all +// goroutines to be stopped. +func (p *Proxy) Stop(t *testing.T) { + require.NotNil(t, p.cancel, "Proxy is not started") + + p.cancel() + p.wg.Wait() + <-p.stopped + + t.Log("Proxy stopped", time.Now()) +} + +// testLeaderHealthCheck tests that a node is properly shut down when the leader +// health check fails. +func testLeaderHealthCheck(ht *lntest.HarnessTest) { + clientPort := port.NextAvailablePort() + + // Let's start a test etcd instance that we'll redirect through a proxy. + etcdCfg, cleanup, err := kvdb.StartEtcdTestBackend( + ht.T.TempDir(), uint16(clientPort), + uint16(port.NextAvailablePort()), "", + ) + require.NoError(ht, err, "Failed to start etcd instance") + + // Make leader election session TTL 5 sec to make the test run fast. + const leaderSessionTTL = 5 + + // Create an election observer that we will use to monitor the leader + // election. + observer, err := cluster.MakeLeaderElector( + ht.Context(), cluster.EtcdLeaderElector, "observer", + lncfg.DefaultEtcdElectionPrefix, leaderSessionTTL, etcdCfg, + ) + require.NoError(ht, err, "Cannot start election observer") + + // Start a proxy that will forward all traffic to the etcd instance. + clientAddr := fmt.Sprintf("localhost:%d", clientPort) + proxyAddr := fmt.Sprintf("localhost:%d", port.NextAvailablePort()) + + ctx, cancel := context.WithCancel(ht.Context()) + defer cancel() + + proxy := NewProxy(proxyAddr, clientAddr) + proxy.Start(ctx, ht.T) + + // Copy the etcd config so that we can modify the host to point to the + // proxy. + proxyEtcdCfg := *etcdCfg + // With the proxy in place, we can now configure the etcd client to + // connect to the proxy instead of the etcd instance. + proxyEtcdCfg.Host = "http://" + proxyAddr + + defer cleanup() + + // Start Carol-1 with cluster support and connect to etcd through the + // proxy. + password := []byte("the quick brown fox jumps the lazy dog") + stateless := false + cluster := true + + carol, _, _ := ht.NewNodeWithSeedEtcd( + "Carol-1", &proxyEtcdCfg, password, stateless, cluster, + leaderSessionTTL, + ) + + // Make sure Carol-1 is indeed the leader. + assertLeader(ht, observer, "Carol-1") + + // At this point Carol-1 is the elected leader, while Carol-2 will wait + // to become the leader when Carol-1 releases the lease. Note that for + // Carol-2 we don't use the proxy as we want to simulate a network + // partition only for Carol-1. + carol2 := ht.NewNodeEtcd( + "Carol-2", etcdCfg, password, cluster, leaderSessionTTL, + ) + + // Stop the proxy so that we simulate a network partition which + // consequently will make the leader health check fail and force Carol + // to shut down. + proxy.Stop(ht.T) + + // Wait for Carol-1 to stop. If the health check wouldn't properly work + // this call would timeout and trigger a test failure. + require.NoError(ht.T, carol.WaitForProcessExit()) + + // Now that Carol-1 is shut down we should fail over to Carol-2. + failoverTimeout := time.Duration(2*leaderSessionTTL) * time.Second + + // Make sure that Carol-2 becomes the leader (reported by Carol-2). + err = carol2.WaitUntilLeader(failoverTimeout) + + require.NoError(ht, err, "Waiting for Carol-2 to become the leader "+ + "failed") + + // Make sure Carol-2 is indeed the leader (repoted by the observer). + assertLeader(ht, observer, "Carol-2") +} diff --git a/itest/lnd_no_etcd_dummy_failover_test.go b/itest/lnd_no_etcd_dummy_failover_test.go index 2d731febcf..468eca3f60 100644 --- a/itest/lnd_no_etcd_dummy_failover_test.go +++ b/itest/lnd_no_etcd_dummy_failover_test.go @@ -8,3 +8,7 @@ import "github.com/lightningnetwork/lnd/lntest" // testEtcdFailover is an empty itest when LND is not compiled with etcd // support. func testEtcdFailover(ht *lntest.HarnessTest) {} + +// testLeaderHealthCheck is an empty itest when LND is not compiled with etcd +// support. +func testLeaderHealthCheck(ht *lntest.HarnessTest) {} From 91d9fb47648bd1ec19d85b2322b5fd2f4a8ef217 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 1 Aug 2024 17:14:13 +0200 Subject: [PATCH 242/343] lncfg: increase default leader session TTL to 90 seconds --- lncfg/cluster.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lncfg/cluster.go b/lncfg/cluster.go index 8b3b14f5fb..e9e871a369 100644 --- a/lncfg/cluster.go +++ b/lncfg/cluster.go @@ -33,7 +33,7 @@ func DefaultCluster() *Cluster { return &Cluster{ LeaderElector: cluster.EtcdLeaderElector, EtcdElectionPrefix: DefaultEtcdElectionPrefix, - LeaderSessionTTL: 60, + LeaderSessionTTL: 90, ID: hostname, } } From f63bccb575bbaad71d377b5a0cd3e82d5722ef29 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 26 Jul 2024 17:04:04 +0200 Subject: [PATCH 243/343] config: update sample-lnd.conf --- sample-lnd.conf | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/sample-lnd.conf b/sample-lnd.conf index 70251ea10f..c9fb0e4f8c 100644 --- a/sample-lnd.conf +++ b/sample-lnd.conf @@ -1130,6 +1130,24 @@ ; checks. This value must be >= 1m. ; healthcheck.remotesigner.interval=1m +; The number of times we should attempt to check the node's leader status +; before gracefully shutting down. Set this value to 0 to disable this health +; check. +; healthcheck.leader.attempts=1 + +; The amount of time after the leader check times out due to unanswered RPC. +; This value must be >= 1s. +; healthcheck.leader.timeout=5s + +; The amount of time we should backoff between failed attempts of leader checks. +; This value must be >= 1s. +; healthcheck.leader.backoff=5s + +; The amount of time we should wait between leader checks. +; This value must be >= 1m. +; healthcheck.leader.interval=1m + + [signrpc] @@ -1537,7 +1555,7 @@ ; The session TTL in seconds after which a new leader is elected if the old ; leader is shut down, crashed or becomes unreachable. -; cluster.leader-session-ttl=60 +; cluster.leader-session-ttl=90 [rpcmiddleware] From 037161ee6ce81eb37556ce3a9269618796b21b6e Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Thu, 1 Aug 2024 16:54:21 +0200 Subject: [PATCH 244/343] docs: add release notes for 0.18.3 --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index a4cbda9ecb..fbe9c3924e 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -150,6 +150,10 @@ commitment when the channel was force closed. * [Fixed](https://github.com/lightningnetwork/lnd/pull/8854) pagination issues in SQL invoicedb queries. +* [Check](https://github.com/lightningnetwork/lnd/pull/8938) leader status with + our health checker to correctly shut down LND if network partitioning occurs + towards the etcd cluster. + ## Code Health * [Move graph building and From dc03637ae39b7f3835f5e182aea6e2140776d983 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 9 Apr 2024 14:34:54 -0700 Subject: [PATCH 245/343] htlcswitch: rename for test parameters for accuracy --- htlcswitch/link_test.go | 6 +++--- htlcswitch/test_utils.go | 12 ++++++------ 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/htlcswitch/link_test.go b/htlcswitch/link_test.go index f508ede066..36f273112a 100644 --- a/htlcswitch/link_test.go +++ b/htlcswitch/link_test.go @@ -444,7 +444,7 @@ func TestChannelLinkSingleHopPayment(t *testing.T) { t.Parallel() // Setup a alice-bob network. - alice, bob, err := createTwoClusterChannels( + alice, bob, err := createMirroredChannel( t, btcutil.SatoshiPerBitcoin*3, btcutil.SatoshiPerBitcoin*5, ) require.NoError(t, err, "unable to create channel") @@ -6318,7 +6318,7 @@ func TestChannelLinkCanceledInvoice(t *testing.T) { t.Parallel() // Setup a alice-bob network. - alice, bob, err := createTwoClusterChannels( + alice, bob, err := createMirroredChannel( t, btcutil.SatoshiPerBitcoin*3, btcutil.SatoshiPerBitcoin*5, ) require.NoError(t, err, "unable to create channel") @@ -6374,7 +6374,7 @@ type hodlInvoiceTestCtx struct { func newHodlInvoiceTestCtx(t *testing.T) (*hodlInvoiceTestCtx, error) { // Setup a alice-bob network. - alice, bob, err := createTwoClusterChannels( + alice, bob, err := createMirroredChannel( t, btcutil.SatoshiPerBitcoin*3, btcutil.SatoshiPerBitcoin*5, ) require.NoError(t, err, "unable to create channel") diff --git a/htlcswitch/test_utils.go b/htlcswitch/test_utils.go index 9a72197eca..0b3b0fcdf2 100644 --- a/htlcswitch/test_utils.go +++ b/htlcswitch/test_utils.go @@ -1053,17 +1053,17 @@ func serverOptionRejectHtlc(alice, bob, carol bool) serverOption { } } -// createTwoClusterChannels creates lightning channels which are needed for -// a 2 hop network cluster to be initialized. -func createTwoClusterChannels(t *testing.T, aliceToBob, - bobToCarol btcutil.Amount) (*testLightningChannel, +// createMirroredChannel creates two LightningChannel objects which represent +// the state machines on either side of a single channel between alice and bob. +func createMirroredChannel(t *testing.T, aliceToBob, + bobToAlice btcutil.Amount) (*testLightningChannel, *testLightningChannel, error) { _, _, firstChanID, _ := genIDs() - // Create lightning channels between Alice<->Bob and Bob<->Carol + // Create lightning channels between Alice<->Bob for Alice and Bob alice, bob, err := createTestChannel(t, alicePrivKey, bobPrivKey, - aliceToBob, aliceToBob, 0, 0, firstChanID, + aliceToBob, bobToAlice, 0, 0, firstChanID, ) if err != nil { return nil, nil, errors.Errorf("unable to create "+ From e3a9d0acbec6f74939373a3c8bdf7ed517e8b253 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Thu, 9 May 2024 14:32:45 -0700 Subject: [PATCH 246/343] multi: break ChannelConstraints into two sub-structures This commit breaks the ChannelConstraints structure into two sub-structures that reflect the fundamental differences in how these parameters are used. On its face it may not seem necessary, however the distinction introduced here is relevant for how we will be implementing the Dynamic Commitments proposal. --- chanbackup/single_test.go | 119 +++++++++-------- channeldb/channel.go | 42 +++--- channeldb/channel_test.go | 45 ++++--- channeldb/db_test.go | 8 +- contractcourt/breach_arbitrator_test.go | 16 ++- funding/manager.go | 170 +++++++++++++----------- htlcswitch/test_utils.go | 22 +-- lnwallet/reservation.go | 74 +++++++---- lnwallet/test/test_interface.go | 24 ++-- lnwallet/test_utils.go | 16 ++- lnwallet/transactions_test.go | 20 +-- lnwallet/wallet.go | 2 +- peer/test_utils.go | 16 ++- routing/localchans/manager.go | 2 +- routing/localchans/manager_test.go | 4 +- 15 files changed, 338 insertions(+), 242 deletions(-) diff --git a/chanbackup/single_test.go b/chanbackup/single_test.go index ab418e1901..c1e940740c 100644 --- a/chanbackup/single_test.go +++ b/chanbackup/single_test.go @@ -126,6 +126,64 @@ func genRandomOpenChannelShell() (*channeldb.OpenChannel, error) { chanType := channeldb.ChannelType(rand.Intn(8)) + localCfg := channeldb.ChannelConfig{ + ChannelStateBounds: channeldb.ChannelStateBounds{}, + CommitmentParams: channeldb.CommitmentParams{ + CsvDelay: uint16(rand.Int63()), + }, + MultiSigKey: keychain.KeyDescriptor{ + KeyLocator: keychain.KeyLocator{ + Family: keychain.KeyFamily(rand.Int63()), + Index: uint32(rand.Int63()), + }, + }, + RevocationBasePoint: keychain.KeyDescriptor{ + KeyLocator: keychain.KeyLocator{ + Family: keychain.KeyFamily(rand.Int63()), + Index: uint32(rand.Int63()), + }, + }, + PaymentBasePoint: keychain.KeyDescriptor{ + KeyLocator: keychain.KeyLocator{ + Family: keychain.KeyFamily(rand.Int63()), + Index: uint32(rand.Int63()), + }, + }, + DelayBasePoint: keychain.KeyDescriptor{ + KeyLocator: keychain.KeyLocator{ + Family: keychain.KeyFamily(rand.Int63()), + Index: uint32(rand.Int63()), + }, + }, + HtlcBasePoint: keychain.KeyDescriptor{ + KeyLocator: keychain.KeyLocator{ + Family: keychain.KeyFamily(rand.Int63()), + Index: uint32(rand.Int63()), + }, + }, + } + + remoteCfg := channeldb.ChannelConfig{ + CommitmentParams: channeldb.CommitmentParams{ + CsvDelay: uint16(rand.Int63()), + }, + MultiSigKey: keychain.KeyDescriptor{ + PubKey: pub, + }, + RevocationBasePoint: keychain.KeyDescriptor{ + PubKey: pub, + }, + PaymentBasePoint: keychain.KeyDescriptor{ + PubKey: pub, + }, + DelayBasePoint: keychain.KeyDescriptor{ + PubKey: pub, + }, + HtlcBasePoint: keychain.KeyDescriptor{ + PubKey: pub, + }, + } + return &channeldb.OpenChannel{ ChainHash: chainHash, ChanType: chanType, @@ -134,63 +192,10 @@ func genRandomOpenChannelShell() (*channeldb.OpenChannel, error) { ShortChannelID: lnwire.NewShortChanIDFromInt( uint64(rand.Int63()), ), - ThawHeight: rand.Uint32(), - IdentityPub: pub, - LocalChanCfg: channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - CsvDelay: uint16(rand.Int63()), - }, - MultiSigKey: keychain.KeyDescriptor{ - KeyLocator: keychain.KeyLocator{ - Family: keychain.KeyFamily(rand.Int63()), - Index: uint32(rand.Int63()), - }, - }, - RevocationBasePoint: keychain.KeyDescriptor{ - KeyLocator: keychain.KeyLocator{ - Family: keychain.KeyFamily(rand.Int63()), - Index: uint32(rand.Int63()), - }, - }, - PaymentBasePoint: keychain.KeyDescriptor{ - KeyLocator: keychain.KeyLocator{ - Family: keychain.KeyFamily(rand.Int63()), - Index: uint32(rand.Int63()), - }, - }, - DelayBasePoint: keychain.KeyDescriptor{ - KeyLocator: keychain.KeyLocator{ - Family: keychain.KeyFamily(rand.Int63()), - Index: uint32(rand.Int63()), - }, - }, - HtlcBasePoint: keychain.KeyDescriptor{ - KeyLocator: keychain.KeyLocator{ - Family: keychain.KeyFamily(rand.Int63()), - Index: uint32(rand.Int63()), - }, - }, - }, - RemoteChanCfg: channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - CsvDelay: uint16(rand.Int63()), - }, - MultiSigKey: keychain.KeyDescriptor{ - PubKey: pub, - }, - RevocationBasePoint: keychain.KeyDescriptor{ - PubKey: pub, - }, - PaymentBasePoint: keychain.KeyDescriptor{ - PubKey: pub, - }, - DelayBasePoint: keychain.KeyDescriptor{ - PubKey: pub, - }, - HtlcBasePoint: keychain.KeyDescriptor{ - PubKey: pub, - }, - }, + ThawHeight: rand.Uint32(), + IdentityPub: pub, + LocalChanCfg: localCfg, + RemoteChanCfg: remoteCfg, RevocationProducer: shaChainProducer, }, nil } diff --git a/channeldb/channel.go b/channeldb/channel.go index ad02084671..7569fc30e0 100644 --- a/channeldb/channel.go +++ b/channeldb/channel.go @@ -395,19 +395,11 @@ func (c ChannelType) IsTaproot() bool { return c&SimpleTaprootFeatureBit == SimpleTaprootFeatureBit } -// ChannelConstraints represents a set of constraints meant to allow a node to -// limit their exposure, enact flow control and ensure that all HTLCs are -// economically relevant. This struct will be mirrored for both sides of the -// channel, as each side will enforce various constraints that MUST be adhered -// to for the life time of the channel. The parameters for each of these -// constraints are static for the duration of the channel, meaning the channel -// must be torn down for them to change. -type ChannelConstraints struct { - // DustLimit is the threshold (in satoshis) below which any outputs - // should be trimmed. When an output is trimmed, it isn't materialized - // as an actual output, but is instead burned to miner's fees. - DustLimit btcutil.Amount - +// ChannelStateBounds are the parameters from OpenChannel and AcceptChannel +// that are responsible for providing bounds on the state space of the abstract +// channel state. These values must be remembered for normal channel operation +// but they do not impact how we compute the commitment transactions themselves. +type ChannelStateBounds struct { // ChanReserve is an absolute reservation on the channel for the // owner of this set of constraints. This means that the current // settled balance for this node CANNOT dip below the reservation @@ -433,6 +425,19 @@ type ChannelConstraints struct { // acted upon in the case of a unilateral channel closure or a contract // breach. MaxAcceptedHtlcs uint16 +} + +// CommitmentParams are the parameters from OpenChannel and +// AcceptChannel that are required to render an abstract channel state to a +// concrete commitment transaction. These values are necessary to (re)compute +// the commitment transaction. We treat these differently than the state space +// bounds because their history needs to be stored in order to properly handle +// chain resolution. +type CommitmentParams struct { + // DustLimit is the threshold (in satoshis) below which any outputs + // should be trimmed. When an output is trimmed, it isn't materialized + // as an actual output, but is instead burned to miner's fees. + DustLimit btcutil.Amount // CsvDelay is the relative time lock delay expressed in blocks. Any // settled outputs that pay to the owner of this channel configuration @@ -448,12 +453,17 @@ type ChannelConstraints struct { // nature of HTLC's allotted, the keys to be used for delivery, and relative // time lock parameters. type ChannelConfig struct { - // ChannelConstraints is the set of constraints that must be upheld for - // the duration of the channel for the owner of this channel + // ChannelStateBounds is the set of constraints that must be + // upheld for the duration of the channel for the owner of this channel // configuration. Constraints govern a number of flow control related // parameters, also including the smallest HTLC that will be accepted // by a participant. - ChannelConstraints + ChannelStateBounds + + // CommitmentParams is an embedding of the parameters + // required to render an abstract channel state into a concrete + // commitment transaction. + CommitmentParams // MultiSigKey is the key to be used within the 2-of-2 output script // for the owner of this channel config. diff --git a/channeldb/channel_test.go b/channeldb/channel_test.go index e630b1c48c..a7f3c1ebee 100644 --- a/channeldb/channel_test.go +++ b/channeldb/channel_test.go @@ -235,15 +235,21 @@ func createTestChannelState(t *testing.T, cdb *ChannelStateDB) *OpenChannel { } } + localStateBounds := ChannelStateBounds{ + MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), + ChanReserve: btcutil.Amount(rand.Int63()), + MinHTLC: lnwire.MilliSatoshi(rand.Int63()), + MaxAcceptedHtlcs: uint16(rand.Int31()), + } + + localRenderingParams := CommitmentParams{ + DustLimit: btcutil.Amount(rand.Int63()), + CsvDelay: uint16(rand.Int31()), + } + localCfg := ChannelConfig{ - ChannelConstraints: ChannelConstraints{ - DustLimit: btcutil.Amount(rand.Int63()), - MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), - ChanReserve: btcutil.Amount(rand.Int63()), - MinHTLC: lnwire.MilliSatoshi(rand.Int63()), - MaxAcceptedHtlcs: uint16(rand.Int31()), - CsvDelay: uint16(rand.Int31()), - }, + ChannelStateBounds: localStateBounds, + CommitmentParams: localRenderingParams, MultiSigKey: keychain.KeyDescriptor{ PubKey: privKey.PubKey(), }, @@ -260,15 +266,22 @@ func createTestChannelState(t *testing.T, cdb *ChannelStateDB) *OpenChannel { PubKey: privKey.PubKey(), }, } + + remoteStateBounds := ChannelStateBounds{ + MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), + ChanReserve: btcutil.Amount(rand.Int63()), + MinHTLC: lnwire.MilliSatoshi(rand.Int63()), + MaxAcceptedHtlcs: uint16(rand.Int31()), + } + + remoteRenderingParams := CommitmentParams{ + DustLimit: btcutil.Amount(rand.Int63()), + CsvDelay: uint16(rand.Int31()), + } + remoteCfg := ChannelConfig{ - ChannelConstraints: ChannelConstraints{ - DustLimit: btcutil.Amount(rand.Int63()), - MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), - ChanReserve: btcutil.Amount(rand.Int63()), - MinHTLC: lnwire.MilliSatoshi(rand.Int63()), - MaxAcceptedHtlcs: uint16(rand.Int31()), - CsvDelay: uint16(rand.Int31()), - }, + ChannelStateBounds: remoteStateBounds, + CommitmentParams: remoteRenderingParams, MultiSigKey: keychain.KeyDescriptor{ PubKey: privKey.PubKey(), KeyLocator: keychain.KeyLocator{ diff --git a/channeldb/db_test.go b/channeldb/db_test.go index 025bf12616..d8113db830 100644 --- a/channeldb/db_test.go +++ b/channeldb/db_test.go @@ -292,6 +292,10 @@ func genRandomChannelShell() (*ChannelShell, error) { } shaChainProducer := shachain.NewRevocationProducer(*revRoot) + commitParams := CommitmentParams{ + CsvDelay: uint16(rand.Int63()), + } + return &ChannelShell{ NodeAddrs: []net.Addr{&net.TCPAddr{ IP: net.ParseIP("127.0.0.1"), @@ -306,9 +310,7 @@ func genRandomChannelShell() (*ChannelShell, error) { ), IdentityPub: pub, LocalChanCfg: ChannelConfig{ - ChannelConstraints: ChannelConstraints{ - CsvDelay: uint16(rand.Int63()), - }, + CommitmentParams: commitParams, PaymentBasePoint: keychain.KeyDescriptor{ KeyLocator: keychain.KeyLocator{ Family: keychain.KeyFamily(rand.Int63()), diff --git a/contractcourt/breach_arbitrator_test.go b/contractcourt/breach_arbitrator_test.go index f2883db4ec..6a1865444b 100644 --- a/contractcourt/breach_arbitrator_test.go +++ b/contractcourt/breach_arbitrator_test.go @@ -2178,13 +2178,15 @@ func createInitChannels(t *testing.T) ( fundingTxIn := wire.NewTxIn(prevOut, nil, nil) aliceCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: aliceDustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), ChanReserve: 0, MinHTLC: 0, MaxAcceptedHtlcs: uint16(rand.Int31()), - CsvDelay: uint16(csvTimeoutAlice), + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: aliceDustLimit, + CsvDelay: uint16(csvTimeoutAlice), }, MultiSigKey: keychain.KeyDescriptor{ PubKey: aliceKeyPub, @@ -2203,13 +2205,15 @@ func createInitChannels(t *testing.T) ( }, } bobCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: bobDustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), ChanReserve: 0, MinHTLC: 0, MaxAcceptedHtlcs: uint16(rand.Int31()), - CsvDelay: uint16(csvTimeoutBob), + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: bobDustLimit, + CsvDelay: uint16(csvTimeoutBob), }, MultiSigKey: keychain.KeyDescriptor{ PubKey: bobKeyPub, diff --git a/funding/manager.go b/funding/manager.go index 7fd0e9b111..360578453c 100644 --- a/funding/manager.go +++ b/funding/manager.go @@ -1671,16 +1671,18 @@ func (f *Manager) fundeeProcessOpenChannel(peer lnpeer.Peer, // We'll also validate and apply all the constraints the initiating // party is attempting to dictate for our commitment transaction. - channelConstraints := &channeldb.ChannelConstraints{ - DustLimit: msg.DustLimit, + stateBounds := &channeldb.ChannelStateBounds{ ChanReserve: msg.ChannelReserve, MaxPendingAmount: msg.MaxValueInFlight, MinHTLC: msg.HtlcMinimum, MaxAcceptedHtlcs: msg.MaxAcceptedHTLCs, - CsvDelay: msg.CsvDelay, + } + commitParams := &channeldb.CommitmentParams{ + DustLimit: msg.DustLimit, + CsvDelay: msg.CsvDelay, } err = reservation.CommitConstraints( - channelConstraints, f.cfg.MaxLocalCSVDelay, true, + stateBounds, commitParams, f.cfg.MaxLocalCSVDelay, true, ) if err != nil { log.Errorf("Unacceptable channel constraints: %v", err) @@ -1780,7 +1782,7 @@ func (f *Manager) fundeeProcessOpenChannel(peer lnpeer.Peer, // interactively. ourContribution := reservation.OurContribution() forwardingPolicy := f.defaultForwardingPolicy( - ourContribution.ChannelConstraints, + ourContribution.ChannelStateBounds, ) // Once the reservation has been created successfully, we add it to @@ -1810,37 +1812,41 @@ func (f *Manager) fundeeProcessOpenChannel(peer lnpeer.Peer, // Update the timestamp once the fundingOpenMsg has been handled. defer resCtx.updateTimestamp() + cfg := channeldb.ChannelConfig{ + ChannelStateBounds: channeldb.ChannelStateBounds{ + MaxPendingAmount: remoteMaxValue, + ChanReserve: chanReserve, + MinHTLC: minHtlc, + MaxAcceptedHtlcs: maxHtlcs, + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: msg.DustLimit, + CsvDelay: remoteCsvDelay, + }, + MultiSigKey: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.FundingKey), + }, + RevocationBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.RevocationPoint), + }, + PaymentBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.PaymentPoint), + }, + DelayBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.DelayedPaymentPoint), + }, + HtlcBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.HtlcPoint), + }, + } + // With our parameters set, we'll now process their contribution so we // can move the funding workflow ahead. remoteContribution := &lnwallet.ChannelContribution{ FundingAmount: amt, FirstCommitmentPoint: msg.FirstCommitmentPoint, - ChannelConfig: &channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: msg.DustLimit, - MaxPendingAmount: remoteMaxValue, - ChanReserve: chanReserve, - MinHTLC: minHtlc, - MaxAcceptedHtlcs: maxHtlcs, - CsvDelay: remoteCsvDelay, - }, - MultiSigKey: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.FundingKey), - }, - RevocationBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.RevocationPoint), - }, - PaymentBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.PaymentPoint), - }, - DelayBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.DelayedPaymentPoint), - }, - HtlcBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.HtlcPoint), - }, - }, - UpfrontShutdown: msg.UpfrontShutdownScript, + ChannelConfig: &cfg, + UpfrontShutdown: msg.UpfrontShutdownScript, } if resCtx.reservation.IsTaproot() { @@ -1867,8 +1873,12 @@ func (f *Manager) fundeeProcessOpenChannel(peer lnpeer.Peer, log.Infof("Sending fundingResp for pending_id(%x)", msg.PendingChannelID) - log.Debugf("Remote party accepted commitment constraints: %v", - spew.Sdump(remoteContribution.ChannelConfig.ChannelConstraints)) + bounds := remoteContribution.ChannelConfig.ChannelStateBounds + log.Debugf("Remote party accepted channel state space bounds: %v", + spew.Sdump(bounds)) + params := remoteContribution.ChannelConfig.CommitmentParams + log.Debugf("Remote party accepted commitment rendering params: %v", + spew.Sdump(params)) // With the initiator's contribution recorded, respond with our // contribution in the next message of the workflow. @@ -2036,16 +2046,18 @@ func (f *Manager) funderProcessAcceptChannel(peer lnpeer.Peer, // required confirmations, and also the set of channel constraints // they've specified for commitment states we can create. resCtx.reservation.SetNumConfsRequired(uint16(minDepth)) - channelConstraints := &channeldb.ChannelConstraints{ - DustLimit: msg.DustLimit, + bounds := channeldb.ChannelStateBounds{ ChanReserve: msg.ChannelReserve, MaxPendingAmount: msg.MaxValueInFlight, MinHTLC: msg.HtlcMinimum, MaxAcceptedHtlcs: msg.MaxAcceptedHTLCs, - CsvDelay: msg.CsvDelay, + } + commitParams := channeldb.CommitmentParams{ + DustLimit: msg.DustLimit, + CsvDelay: msg.CsvDelay, } err = resCtx.reservation.CommitConstraints( - channelConstraints, resCtx.maxLocalCsv, false, + &bounds, &commitParams, resCtx.maxLocalCsv, false, ) if err != nil { log.Warnf("Unacceptable channel constraints: %v", err) @@ -2053,38 +2065,42 @@ func (f *Manager) funderProcessAcceptChannel(peer lnpeer.Peer, return } + cfg := channeldb.ChannelConfig{ + ChannelStateBounds: channeldb.ChannelStateBounds{ + MaxPendingAmount: resCtx.remoteMaxValue, + ChanReserve: resCtx.remoteChanReserve, + MinHTLC: resCtx.remoteMinHtlc, + MaxAcceptedHtlcs: resCtx.remoteMaxHtlcs, + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: msg.DustLimit, + CsvDelay: resCtx.remoteCsvDelay, + }, + MultiSigKey: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.FundingKey), + }, + RevocationBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.RevocationPoint), + }, + PaymentBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.PaymentPoint), + }, + DelayBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.DelayedPaymentPoint), + }, + HtlcBasePoint: keychain.KeyDescriptor{ + PubKey: copyPubKey(msg.HtlcPoint), + }, + } + // The remote node has responded with their portion of the channel // contribution. At this point, we can process their contribution which // allows us to construct and sign both the commitment transaction, and // the funding transaction. remoteContribution := &lnwallet.ChannelContribution{ FirstCommitmentPoint: msg.FirstCommitmentPoint, - ChannelConfig: &channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: msg.DustLimit, - MaxPendingAmount: resCtx.remoteMaxValue, - ChanReserve: resCtx.remoteChanReserve, - MinHTLC: resCtx.remoteMinHtlc, - MaxAcceptedHtlcs: resCtx.remoteMaxHtlcs, - CsvDelay: resCtx.remoteCsvDelay, - }, - MultiSigKey: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.FundingKey), - }, - RevocationBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.RevocationPoint), - }, - PaymentBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.PaymentPoint), - }, - DelayBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.DelayedPaymentPoint), - }, - HtlcBasePoint: keychain.KeyDescriptor{ - PubKey: copyPubKey(msg.HtlcPoint), - }, - }, - UpfrontShutdown: msg.UpfrontShutdownScript, + ChannelConfig: &cfg, + UpfrontShutdown: msg.UpfrontShutdownScript, } if resCtx.reservation.IsTaproot() { @@ -2149,8 +2165,12 @@ func (f *Manager) funderProcessAcceptChannel(peer lnpeer.Peer, log.Infof("pendingChan(%x): remote party proposes num_confs=%v, "+ "csv_delay=%v", pendingChanID[:], msg.MinAcceptDepth, msg.CsvDelay) - log.Debugf("Remote party accepted commitment constraints: %v", - spew.Sdump(remoteContribution.ChannelConfig.ChannelConstraints)) + bounds = remoteContribution.ChannelConfig.ChannelStateBounds + log.Debugf("Remote party accepted channel state space bounds: %v", + spew.Sdump(bounds)) + commitParams = remoteContribution.ChannelConfig.CommitmentParams + log.Debugf("Remote party accepted commitment rendering params: %v", + spew.Sdump(commitParams)) // If the user requested funding through a PSBT, we cannot directly // continue now and need to wait for the fully funded and signed PSBT @@ -4070,7 +4090,7 @@ func (f *Manager) ensureInitialForwardingPolicy(chanID lnwire.ChannelID, "falling back to default values: %v", err) forwardingPolicy = f.defaultForwardingPolicy( - channel.LocalChanCfg.ChannelConstraints, + channel.LocalChanCfg.ChannelStateBounds, ) needDBUpdate = true } @@ -4695,7 +4715,7 @@ func (f *Manager) handleInitFundingMsg(msg *InitFundingMsg) { // useBaseFee or useFeeRate are false the client did not provide fee // values hence we assume default fee settings from the config. forwardingPolicy := f.defaultForwardingPolicy( - ourContribution.ChannelConstraints, + ourContribution.ChannelStateBounds, ) if baseFee != nil { forwardingPolicy.BaseFee = lnwire.MilliSatoshi(*baseFee) @@ -4750,16 +4770,18 @@ func (f *Manager) handleInitFundingMsg(msg *InitFundingMsg) { defer resCtx.updateTimestamp() // Check the sanity of the selected channel constraints. - channelConstraints := &channeldb.ChannelConstraints{ - DustLimit: ourDustLimit, + bounds := &channeldb.ChannelStateBounds{ ChanReserve: chanReserve, MaxPendingAmount: maxValue, MinHTLC: minHtlcIn, MaxAcceptedHtlcs: maxHtlcs, - CsvDelay: remoteCsvDelay, + } + commitParams := &channeldb.CommitmentParams{ + DustLimit: ourDustLimit, + CsvDelay: remoteCsvDelay, } err = lnwallet.VerifyConstraints( - channelConstraints, resCtx.maxLocalCsv, capacity, + bounds, commitParams, resCtx.maxLocalCsv, capacity, ) if err != nil { _, reserveErr := f.cancelReservationCtx(peerKey, chanID, false) @@ -5032,11 +5054,11 @@ func copyPubKey(pub *btcec.PublicKey) *btcec.PublicKey { // defaultForwardingPolicy returns the default forwarding policy based on the // default routing policy and our local channel constraints. func (f *Manager) defaultForwardingPolicy( - constraints channeldb.ChannelConstraints) *models.ForwardingPolicy { + bounds channeldb.ChannelStateBounds) *models.ForwardingPolicy { return &models.ForwardingPolicy{ - MinHTLCOut: constraints.MinHTLC, - MaxHTLC: constraints.MaxPendingAmount, + MinHTLCOut: bounds.MinHTLC, + MaxHTLC: bounds.MaxPendingAmount, BaseFee: f.cfg.DefaultRoutingPolicy.BaseFee, FeeRate: f.cfg.DefaultRoutingPolicy.FeeRate, TimeLockDelta: f.cfg.DefaultRoutingPolicy.TimeLockDelta, diff --git a/htlcswitch/test_utils.go b/htlcswitch/test_utils.go index 9a72197eca..5243eebe05 100644 --- a/htlcswitch/test_utils.go +++ b/htlcswitch/test_utils.go @@ -138,24 +138,28 @@ func createTestChannel(t *testing.T, alicePrivKey, bobPrivKey []byte, csvTimeoutBob := uint32(4) isAliceInitiator := true - aliceConstraints := &channeldb.ChannelConstraints{ - DustLimit: btcutil.Amount(200), + aliceBounds := channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.NewMSatFromSatoshis( channelCapacity), ChanReserve: aliceReserve, MinHTLC: 0, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: uint16(csvTimeoutAlice), + } + aliceCommitParams := channeldb.CommitmentParams{ + DustLimit: btcutil.Amount(200), + CsvDelay: uint16(csvTimeoutAlice), } - bobConstraints := &channeldb.ChannelConstraints{ - DustLimit: btcutil.Amount(800), + bobBounds := channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.NewMSatFromSatoshis( channelCapacity), ChanReserve: bobReserve, MinHTLC: 0, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: uint16(csvTimeoutBob), + } + bobCommitParams := channeldb.CommitmentParams{ + DustLimit: btcutil.Amount(800), + CsvDelay: uint16(csvTimeoutBob), } var hash [sha256.Size]byte @@ -172,7 +176,8 @@ func createTestChannel(t *testing.T, alicePrivKey, bobPrivKey []byte, fundingTxIn := wire.NewTxIn(prevOut, nil, nil) aliceCfg := channeldb.ChannelConfig{ - ChannelConstraints: *aliceConstraints, + ChannelStateBounds: aliceBounds, + CommitmentParams: aliceCommitParams, MultiSigKey: keychain.KeyDescriptor{ PubKey: aliceKeyPub, }, @@ -190,7 +195,8 @@ func createTestChannel(t *testing.T, alicePrivKey, bobPrivKey []byte, }, } bobCfg := channeldb.ChannelConfig{ - ChannelConstraints: *bobConstraints, + ChannelStateBounds: bobBounds, + CommitmentParams: bobCommitParams, MultiSigKey: keychain.KeyDescriptor{ PubKey: bobKeyPub, }, diff --git a/lnwallet/reservation.go b/lnwallet/reservation.go index 1c6dbbabef..529db11418 100644 --- a/lnwallet/reservation.go +++ b/lnwallet/reservation.go @@ -501,29 +501,34 @@ func (r *ChannelReservation) IsTaproot() bool { // of satoshis that can be transferred in a single commitment. This function // will also attempt to verify the constraints for sanity, returning an error // if the parameters are seemed unsound. -func (r *ChannelReservation) CommitConstraints(c *channeldb.ChannelConstraints, - maxLocalCSVDelay uint16, responder bool) error { +func (r *ChannelReservation) CommitConstraints( + bounds *channeldb.ChannelStateBounds, + commitParams *channeldb.CommitmentParams, + maxLocalCSVDelay uint16, + responder bool) error { r.Lock() defer r.Unlock() // First, verify the sanity of the channel constraints. - err := VerifyConstraints(c, maxLocalCSVDelay, r.partialState.Capacity) + err := VerifyConstraints( + bounds, commitParams, maxLocalCSVDelay, r.partialState.Capacity, + ) if err != nil { return err } // Our dust limit should always be less than or equal to our proposed // channel reserve. - if responder && r.ourContribution.DustLimit > c.ChanReserve { - r.ourContribution.DustLimit = c.ChanReserve + if responder && r.ourContribution.DustLimit > bounds.ChanReserve { + r.ourContribution.DustLimit = bounds.ChanReserve } - r.ourContribution.ChanReserve = c.ChanReserve - r.ourContribution.MaxPendingAmount = c.MaxPendingAmount - r.ourContribution.MinHTLC = c.MinHTLC - r.ourContribution.MaxAcceptedHtlcs = c.MaxAcceptedHtlcs - r.ourContribution.CsvDelay = c.CsvDelay + r.ourContribution.ChanReserve = bounds.ChanReserve + r.ourContribution.MaxPendingAmount = bounds.MaxPendingAmount + r.ourContribution.MinHTLC = bounds.MinHTLC + r.ourContribution.MaxAcceptedHtlcs = bounds.MaxAcceptedHtlcs + r.ourContribution.CsvDelay = commitParams.CsvDelay return nil } @@ -805,62 +810,75 @@ func (r *ChannelReservation) Cancel() error { // VerifyConstraints is a helper function that can be used to check the sanity // of various channel constraints. -func VerifyConstraints(c *channeldb.ChannelConstraints, - maxLocalCSVDelay uint16, channelCapacity btcutil.Amount) error { +func VerifyConstraints(bounds *channeldb.ChannelStateBounds, + commitParams *channeldb.CommitmentParams, maxLocalCSVDelay uint16, + channelCapacity btcutil.Amount) error { // Fail if the csv delay for our funds exceeds our maximum. - if c.CsvDelay > maxLocalCSVDelay { - return ErrCsvDelayTooLarge(c.CsvDelay, maxLocalCSVDelay) + if commitParams.CsvDelay > maxLocalCSVDelay { + return ErrCsvDelayTooLarge( + commitParams.CsvDelay, maxLocalCSVDelay, + ) } // The channel reserve should always be greater or equal to the dust // limit. The reservation request should be denied if otherwise. - if c.DustLimit > c.ChanReserve { - return ErrChanReserveTooSmall(c.ChanReserve, c.DustLimit) + if commitParams.DustLimit > bounds.ChanReserve { + return ErrChanReserveTooSmall( + bounds.ChanReserve, commitParams.DustLimit, + ) } // Validate against the maximum-sized witness script dust limit, and // also ensure that the DustLimit is not too large. maxWitnessLimit := DustLimitForSize(input.UnknownWitnessSize) - if c.DustLimit < maxWitnessLimit || c.DustLimit > 3*maxWitnessLimit { - return ErrInvalidDustLimit(c.DustLimit) + if commitParams.DustLimit < maxWitnessLimit || + commitParams.DustLimit > 3*maxWitnessLimit { + + return ErrInvalidDustLimit(commitParams.DustLimit) } // Fail if we consider the channel reserve to be too large. We // currently fail if it is greater than 20% of the channel capacity. maxChanReserve := channelCapacity / 5 - if c.ChanReserve > maxChanReserve { - return ErrChanReserveTooLarge(c.ChanReserve, maxChanReserve) + if bounds.ChanReserve > maxChanReserve { + return ErrChanReserveTooLarge( + bounds.ChanReserve, maxChanReserve, + ) } // Fail if the minimum HTLC value is too large. If this is too large, // the channel won't be useful for sending small payments. This limit // is currently set to maxValueInFlight, effectively letting the remote // setting this as large as it wants. - if c.MinHTLC > c.MaxPendingAmount { - return ErrMinHtlcTooLarge(c.MinHTLC, c.MaxPendingAmount) + if bounds.MinHTLC > bounds.MaxPendingAmount { + return ErrMinHtlcTooLarge( + bounds.MinHTLC, bounds.MaxPendingAmount, + ) } // Fail if maxHtlcs is above the maximum allowed number of 483. This // number is specified in BOLT-02. - if c.MaxAcceptedHtlcs > uint16(input.MaxHTLCNumber/2) { + if bounds.MaxAcceptedHtlcs > uint16(input.MaxHTLCNumber/2) { return ErrMaxHtlcNumTooLarge( - c.MaxAcceptedHtlcs, uint16(input.MaxHTLCNumber/2), + bounds.MaxAcceptedHtlcs, uint16(input.MaxHTLCNumber/2), ) } // Fail if we consider maxHtlcs too small. If this is too small we // cannot offer many HTLCs to the remote. const minNumHtlc = 5 - if c.MaxAcceptedHtlcs < minNumHtlc { - return ErrMaxHtlcNumTooSmall(c.MaxAcceptedHtlcs, minNumHtlc) + if bounds.MaxAcceptedHtlcs < minNumHtlc { + return ErrMaxHtlcNumTooSmall( + bounds.MaxAcceptedHtlcs, minNumHtlc, + ) } // Fail if we consider maxValueInFlight too small. We currently require // the remote to at least allow minNumHtlc * minHtlc in flight. - if c.MaxPendingAmount < minNumHtlc*c.MinHTLC { + if bounds.MaxPendingAmount < minNumHtlc*bounds.MinHTLC { return ErrMaxValueInFlightTooSmall( - c.MaxPendingAmount, minNumHtlc*c.MinHTLC, + bounds.MaxPendingAmount, minNumHtlc*bounds.MinHTLC, ) } diff --git a/lnwallet/test/test_interface.go b/lnwallet/test/test_interface.go index c3d26f6cf0..dfabdc7411 100644 --- a/lnwallet/test/test_interface.go +++ b/lnwallet/test/test_interface.go @@ -422,16 +422,18 @@ func testDualFundingReservationWorkflow(miner *rpctest.Harness, aliceChanReservation, err := alice.InitChannelReservation(aliceReq) require.NoError(t, err, "unable to initialize funding reservation") aliceChanReservation.SetNumConfsRequired(numReqConfs) - channelConstraints := &channeldb.ChannelConstraints{ - DustLimit: lnwallet.DustLimitUnknownWitness(), + bounds := &channeldb.ChannelStateBounds{ ChanReserve: fundingAmount / 100, MaxPendingAmount: lnwire.NewMSatFromSatoshis(fundingAmount), MinHTLC: 1, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: csvDelay, + } + commitParams := &channeldb.CommitmentParams{ + DustLimit: lnwallet.DustLimitUnknownWitness(), + CsvDelay: csvDelay, } err = aliceChanReservation.CommitConstraints( - channelConstraints, defaultMaxLocalCsvDelay, false, + bounds, commitParams, defaultMaxLocalCsvDelay, false, ) require.NoError(t, err, "unable to verify constraints") @@ -463,7 +465,7 @@ func testDualFundingReservationWorkflow(miner *rpctest.Harness, bobChanReservation, err := bob.InitChannelReservation(bobReq) require.NoError(t, err, "bob unable to init channel reservation") err = bobChanReservation.CommitConstraints( - channelConstraints, defaultMaxLocalCsvDelay, true, + bounds, commitParams, defaultMaxLocalCsvDelay, true, ) require.NoError(t, err, "unable to verify constraints") bobChanReservation.SetNumConfsRequired(numReqConfs) @@ -827,16 +829,18 @@ func testSingleFunderReservationWorkflow(miner *rpctest.Harness, aliceChanReservation, err := alice.InitChannelReservation(aliceReq) require.NoError(t, err, "unable to init channel reservation") aliceChanReservation.SetNumConfsRequired(numReqConfs) - channelConstraints := &channeldb.ChannelConstraints{ - DustLimit: lnwallet.DustLimitUnknownWitness(), + bounds := &channeldb.ChannelStateBounds{ ChanReserve: fundingAmt / 100, MaxPendingAmount: lnwire.NewMSatFromSatoshis(fundingAmt), MinHTLC: 1, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: csvDelay, + } + commitParams := &channeldb.CommitmentParams{ + DustLimit: lnwallet.DustLimitUnknownWitness(), + CsvDelay: csvDelay, } err = aliceChanReservation.CommitConstraints( - channelConstraints, defaultMaxLocalCsvDelay, false, + bounds, commitParams, defaultMaxLocalCsvDelay, false, ) require.NoError(t, err, "unable to verify constraints") @@ -875,7 +879,7 @@ func testSingleFunderReservationWorkflow(miner *rpctest.Harness, bobChanReservation, err := bob.InitChannelReservation(bobReq) require.NoError(t, err, "unable to create bob reservation") err = bobChanReservation.CommitConstraints( - channelConstraints, defaultMaxLocalCsvDelay, true, + bounds, commitParams, defaultMaxLocalCsvDelay, true, ) require.NoError(t, err, "unable to verify constraints") bobChanReservation.SetNumConfsRequired(numReqConfs) diff --git a/lnwallet/test_utils.go b/lnwallet/test_utils.go index 29213bb7f8..0e5d527234 100644 --- a/lnwallet/test_utils.go +++ b/lnwallet/test_utils.go @@ -150,13 +150,15 @@ func CreateTestChannels(t *testing.T, chanType channeldb.ChannelType, } aliceCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: aliceDustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.NewMSatFromSatoshis(channelCapacity), ChanReserve: channelCapacity / 100, MinHTLC: 0, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: uint16(csvTimeoutAlice), + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: aliceDustLimit, + CsvDelay: uint16(csvTimeoutAlice), }, MultiSigKey: keychain.KeyDescriptor{ PubKey: aliceKeys[0].PubKey(), @@ -175,13 +177,15 @@ func CreateTestChannels(t *testing.T, chanType channeldb.ChannelType, }, } bobCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: bobDustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.NewMSatFromSatoshis(channelCapacity), ChanReserve: channelCapacity / 100, MinHTLC: 0, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: uint16(csvTimeoutBob), + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: bobDustLimit, + CsvDelay: uint16(csvTimeoutBob), }, MultiSigKey: keychain.KeyDescriptor{ PubKey: bobKeys[0].PubKey(), diff --git a/lnwallet/transactions_test.go b/lnwallet/transactions_test.go index d2a2a448bc..4c7fbed53b 100644 --- a/lnwallet/transactions_test.go +++ b/lnwallet/transactions_test.go @@ -603,14 +603,14 @@ func testSpendValidation(t *testing.T, tweakless bool) { dustLimit := DustLimitForSize(input.UnknownWitnessSize) aliceChanCfg := &channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ + CommitmentParams: channeldb.CommitmentParams{ DustLimit: dustLimit, CsvDelay: csvTimeout, }, } bobChanCfg := &channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ + CommitmentParams: channeldb.CommitmentParams{ DustLimit: dustLimit, CsvDelay: csvTimeout, }, @@ -834,15 +834,17 @@ func createTestChannelsForVectors(tc *testContext, chanType channeldb.ChannelTyp // Define channel configurations. remoteCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: tc.dustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.NewMSatFromSatoshis( tc.fundingAmount, ), ChanReserve: 0, MinHTLC: 0, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: tc.localCsvDelay, + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: tc.dustLimit, + CsvDelay: tc.localCsvDelay, }, MultiSigKey: keychain.KeyDescriptor{ PubKey: tc.remoteFundingPrivkey.PubKey(), @@ -861,15 +863,17 @@ func createTestChannelsForVectors(tc *testContext, chanType channeldb.ChannelTyp }, } localCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: tc.dustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.NewMSatFromSatoshis( tc.fundingAmount, ), ChanReserve: 0, MinHTLC: 0, MaxAcceptedHtlcs: input.MaxHTLCNumber / 2, - CsvDelay: tc.localCsvDelay, + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: tc.dustLimit, + CsvDelay: tc.localCsvDelay, }, MultiSigKey: keychain.KeyDescriptor{ PubKey: tc.localFundingPrivkey.PubKey(), diff --git a/lnwallet/wallet.go b/lnwallet/wallet.go index a56bf1c217..90a0bea2d3 100644 --- a/lnwallet/wallet.go +++ b/lnwallet/wallet.go @@ -1379,7 +1379,7 @@ func (l *LightningWallet) initOurContribution(reservation *ChannelReservation, ) reservation.partialState.RevocationProducer = producer - reservation.ourContribution.ChannelConstraints.DustLimit = + reservation.ourContribution.CommitmentParams.DustLimit = DustLimitUnknownWitness() // If taproot channels are active, then we'll generate our verification diff --git a/peer/test_utils.go b/peer/test_utils.go index 8667b04cd6..8d1355b18f 100644 --- a/peer/test_utils.go +++ b/peer/test_utils.go @@ -115,13 +115,15 @@ func createTestPeerWithChannel(t *testing.T, updateChan func(a, ) aliceCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: aliceDustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), ChanReserve: btcutil.Amount(rand.Int63()), MinHTLC: lnwire.MilliSatoshi(rand.Int63()), MaxAcceptedHtlcs: uint16(rand.Int31()), - CsvDelay: uint16(csvTimeoutAlice), + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: aliceDustLimit, + CsvDelay: uint16(csvTimeoutAlice), }, MultiSigKey: keychain.KeyDescriptor{ PubKey: aliceKeyPub, @@ -140,13 +142,15 @@ func createTestPeerWithChannel(t *testing.T, updateChan func(a, }, } bobCfg := channeldb.ChannelConfig{ - ChannelConstraints: channeldb.ChannelConstraints{ - DustLimit: bobDustLimit, + ChannelStateBounds: channeldb.ChannelStateBounds{ MaxPendingAmount: lnwire.MilliSatoshi(rand.Int63()), ChanReserve: btcutil.Amount(rand.Int63()), MinHTLC: lnwire.MilliSatoshi(rand.Int63()), MaxAcceptedHtlcs: uint16(rand.Int31()), - CsvDelay: uint16(csvTimeoutBob), + }, + CommitmentParams: channeldb.CommitmentParams{ + DustLimit: bobDustLimit, + CsvDelay: uint16(csvTimeoutBob), }, MultiSigKey: keychain.KeyDescriptor{ PubKey: bobKeyPub, diff --git a/routing/localchans/manager.go b/routing/localchans/manager.go index 930b4c96b5..f0f9b88de0 100644 --- a/routing/localchans/manager.go +++ b/routing/localchans/manager.go @@ -279,7 +279,7 @@ func (r *Manager) getHtlcAmtLimits(tx kvdb.RTx, chanPoint wire.OutPoint) ( // capacity AND less than or equal to the max in-flight HTLC value. // Since the latter is always less than or equal to the former, just // return the max in-flight value. - maxAmt := ch.LocalChanCfg.ChannelConstraints.MaxPendingAmount + maxAmt := ch.LocalChanCfg.ChannelStateBounds.MaxPendingAmount return ch.LocalChanCfg.MinHTLC, maxAmt, nil } diff --git a/routing/localchans/manager_test.go b/routing/localchans/manager_test.go index b103ef31f3..7594eef04a 100644 --- a/routing/localchans/manager_test.go +++ b/routing/localchans/manager_test.go @@ -125,14 +125,14 @@ func TestManager(t *testing.T) { return &channeldb.OpenChannel{}, channeldb.ErrChannelNotFound } - constraints := channeldb.ChannelConstraints{ + bounds := channeldb.ChannelStateBounds{ MaxPendingAmount: maxPendingAmount, MinHTLC: minHTLC, } return &channeldb.OpenChannel{ LocalChanCfg: channeldb.ChannelConfig{ - ChannelConstraints: constraints, + ChannelStateBounds: bounds, }, }, nil } From 22e34702d88b2907748bef1c957d33066e1a27f4 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 31 Jul 2024 13:15:02 -0700 Subject: [PATCH 247/343] funding: replace newly edited log values with lazier variants --- funding/manager.go | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/funding/manager.go b/funding/manager.go index 360578453c..8ad16005c7 100644 --- a/funding/manager.go +++ b/funding/manager.go @@ -1875,10 +1875,10 @@ func (f *Manager) fundeeProcessOpenChannel(peer lnpeer.Peer, msg.PendingChannelID) bounds := remoteContribution.ChannelConfig.ChannelStateBounds log.Debugf("Remote party accepted channel state space bounds: %v", - spew.Sdump(bounds)) + lnutils.SpewLogClosure(bounds)) params := remoteContribution.ChannelConfig.CommitmentParams log.Debugf("Remote party accepted commitment rendering params: %v", - spew.Sdump(params)) + lnutils.SpewLogClosure(params)) // With the initiator's contribution recorded, respond with our // contribution in the next message of the workflow. @@ -2167,10 +2167,10 @@ func (f *Manager) funderProcessAcceptChannel(peer lnpeer.Peer, msg.CsvDelay) bounds = remoteContribution.ChannelConfig.ChannelStateBounds log.Debugf("Remote party accepted channel state space bounds: %v", - spew.Sdump(bounds)) + lnutils.SpewLogClosure(bounds)) commitParams = remoteContribution.ChannelConfig.CommitmentParams log.Debugf("Remote party accepted commitment rendering params: %v", - spew.Sdump(commitParams)) + lnutils.SpewLogClosure(commitParams)) // If the user requested funding through a PSBT, we cannot directly // continue now and need to wait for the fully funded and signed PSBT From 05c786f775c54cc2044ecba536219f50ba2e6986 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Wed, 31 Jul 2024 17:00:14 +0200 Subject: [PATCH 248/343] mod: remove local replace for sqldb --- go.mod | 5 +---- go.sum | 2 ++ 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/go.mod b/go.mod index f3d7d16557..77c713ef36 100644 --- a/go.mod +++ b/go.mod @@ -39,7 +39,7 @@ require ( github.com/lightningnetwork/lnd/healthcheck v1.2.4 github.com/lightningnetwork/lnd/kvdb v1.4.8 github.com/lightningnetwork/lnd/queue v1.1.1 - github.com/lightningnetwork/lnd/sqldb v1.0.2 + github.com/lightningnetwork/lnd/sqldb v1.0.3 github.com/lightningnetwork/lnd/ticker v1.1.1 github.com/lightningnetwork/lnd/tlv v1.2.3 github.com/lightningnetwork/lnd/tor v1.1.2 @@ -204,9 +204,6 @@ replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.2 // allows us to specify that as an option. replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display -// Temporary replace until the next version of sqldb is tagged. -replace github.com/lightningnetwork/lnd/sqldb => ./sqldb - // Temporary replace until the next version of healthcheck is tagged. replace github.com/lightningnetwork/lnd/healthcheck => ./healthcheck diff --git a/go.sum b/go.sum index d8536ac54c..30da464f73 100644 --- a/go.sum +++ b/go.sum @@ -454,6 +454,8 @@ github.com/lightningnetwork/lnd/fn v1.2.0 h1:YTb2m8NN5ZiJAskHeBZAmR1AiPY8SXziIYP github.com/lightningnetwork/lnd/fn v1.2.0/go.mod h1:SyFohpVrARPKH3XVAJZlXdVe+IwMYc4OMAvrDY32kw0= github.com/lightningnetwork/lnd/queue v1.1.1 h1:99ovBlpM9B0FRCGYJo6RSFDlt8/vOkQQZznVb18iNMI= github.com/lightningnetwork/lnd/queue v1.1.1/go.mod h1:7A6nC1Qrm32FHuhx/mi1cieAiBZo5O6l8IBIoQxvkz4= +github.com/lightningnetwork/lnd/sqldb v1.0.3 h1:zLfAwOvM+6+3+hahYO9Q3h8pVV0TghAR7iJ5YMLCd3I= +github.com/lightningnetwork/lnd/sqldb v1.0.3/go.mod h1:4cQOkdymlZ1znnjuRNvMoatQGJkRneTj2CoPSPaQhWo= github.com/lightningnetwork/lnd/ticker v1.1.1 h1:J/b6N2hibFtC7JLV77ULQp++QLtCwT6ijJlbdiZFbSM= github.com/lightningnetwork/lnd/ticker v1.1.1/go.mod h1:waPTRAAcwtu7Ji3+3k+u/xH5GHovTsCoSVpho0KDvdA= github.com/lightningnetwork/lnd/tlv v1.2.3 h1:If5ibokA/UoCBGuCKaY6Vn2SJU0l9uAbehCnhTZjEP8= From e0b8892290abd0dc8b7ea0bf015e92c79c11f0df Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Mon, 5 Aug 2024 09:32:52 +0200 Subject: [PATCH 249/343] mod: remove local replace for healthcheck --- go.mod | 5 +---- go.sum | 2 ++ 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/go.mod b/go.mod index 77c713ef36..9d502eb69f 100644 --- a/go.mod +++ b/go.mod @@ -36,7 +36,7 @@ require ( github.com/lightningnetwork/lnd/cert v1.2.2 github.com/lightningnetwork/lnd/clock v1.1.1 github.com/lightningnetwork/lnd/fn v1.2.0 - github.com/lightningnetwork/lnd/healthcheck v1.2.4 + github.com/lightningnetwork/lnd/healthcheck v1.2.5 github.com/lightningnetwork/lnd/kvdb v1.4.8 github.com/lightningnetwork/lnd/queue v1.1.1 github.com/lightningnetwork/lnd/sqldb v1.0.3 @@ -204,9 +204,6 @@ replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.2 // allows us to specify that as an option. replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display -// Temporary replace until the next version of healthcheck is tagged. -replace github.com/lightningnetwork/lnd/healthcheck => ./healthcheck - // Temporary replace until the next version of kvdb is tagged. replace github.com/lightningnetwork/lnd/kvdb => ./kvdb diff --git a/go.sum b/go.sum index 30da464f73..0c9d6b5da8 100644 --- a/go.sum +++ b/go.sum @@ -452,6 +452,8 @@ github.com/lightningnetwork/lnd/clock v1.1.1 h1:OfR3/zcJd2RhH0RU+zX/77c0ZiOnIMsD github.com/lightningnetwork/lnd/clock v1.1.1/go.mod h1:mGnAhPyjYZQJmebS7aevElXKTFDuO+uNFFfMXK1W8xQ= github.com/lightningnetwork/lnd/fn v1.2.0 h1:YTb2m8NN5ZiJAskHeBZAmR1AiPY8SXziIYPAX1VI/ZM= github.com/lightningnetwork/lnd/fn v1.2.0/go.mod h1:SyFohpVrARPKH3XVAJZlXdVe+IwMYc4OMAvrDY32kw0= +github.com/lightningnetwork/lnd/healthcheck v1.2.5 h1:aTJy5xeBpcWgRtW/PGBDe+LMQEmNm/HQewlQx2jt7OA= +github.com/lightningnetwork/lnd/healthcheck v1.2.5/go.mod h1:G7Tst2tVvWo7cx6mSBEToQC5L1XOGxzZTPB29g9Rv2I= github.com/lightningnetwork/lnd/queue v1.1.1 h1:99ovBlpM9B0FRCGYJo6RSFDlt8/vOkQQZznVb18iNMI= github.com/lightningnetwork/lnd/queue v1.1.1/go.mod h1:7A6nC1Qrm32FHuhx/mi1cieAiBZo5O6l8IBIoQxvkz4= github.com/lightningnetwork/lnd/sqldb v1.0.3 h1:zLfAwOvM+6+3+hahYO9Q3h8pVV0TghAR7iJ5YMLCd3I= From 2cc668838c1ff2426a16aa293eadb670b70f8bb7 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Wed, 31 Jul 2024 17:02:07 +0200 Subject: [PATCH 250/343] mod: bump kvdb to v1.4.10 To support the new comma-separated list of etcd hosts in db.etcd.host, we need to bump the `kvdb` submodule version. This also fixes a leader election bug in the etcd code. --- go.mod | 5 +---- go.sum | 2 ++ 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/go.mod b/go.mod index 9d502eb69f..65dd1ded77 100644 --- a/go.mod +++ b/go.mod @@ -37,7 +37,7 @@ require ( github.com/lightningnetwork/lnd/clock v1.1.1 github.com/lightningnetwork/lnd/fn v1.2.0 github.com/lightningnetwork/lnd/healthcheck v1.2.5 - github.com/lightningnetwork/lnd/kvdb v1.4.8 + github.com/lightningnetwork/lnd/kvdb v1.4.10 github.com/lightningnetwork/lnd/queue v1.1.1 github.com/lightningnetwork/lnd/sqldb v1.0.3 github.com/lightningnetwork/lnd/ticker v1.1.1 @@ -204,9 +204,6 @@ replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.2 // allows us to specify that as an option. replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display -// Temporary replace until the next version of kvdb is tagged. -replace github.com/lightningnetwork/lnd/kvdb => ./kvdb - // If you change this please also update .github/pull_request_template.md and // docs/INSTALL.md. go 1.21.4 diff --git a/go.sum b/go.sum index 0c9d6b5da8..d556042dd3 100644 --- a/go.sum +++ b/go.sum @@ -454,6 +454,8 @@ github.com/lightningnetwork/lnd/fn v1.2.0 h1:YTb2m8NN5ZiJAskHeBZAmR1AiPY8SXziIYP github.com/lightningnetwork/lnd/fn v1.2.0/go.mod h1:SyFohpVrARPKH3XVAJZlXdVe+IwMYc4OMAvrDY32kw0= github.com/lightningnetwork/lnd/healthcheck v1.2.5 h1:aTJy5xeBpcWgRtW/PGBDe+LMQEmNm/HQewlQx2jt7OA= github.com/lightningnetwork/lnd/healthcheck v1.2.5/go.mod h1:G7Tst2tVvWo7cx6mSBEToQC5L1XOGxzZTPB29g9Rv2I= +github.com/lightningnetwork/lnd/kvdb v1.4.10 h1:vK89IVv1oVH9ubQWU+EmoCQFeVRaC8kfmOrqHbY5zoY= +github.com/lightningnetwork/lnd/kvdb v1.4.10/go.mod h1:J2diNABOoII9UrMnxXS5w7vZwP7CA1CStrl8MnIrb3A= github.com/lightningnetwork/lnd/queue v1.1.1 h1:99ovBlpM9B0FRCGYJo6RSFDlt8/vOkQQZznVb18iNMI= github.com/lightningnetwork/lnd/queue v1.1.1/go.mod h1:7A6nC1Qrm32FHuhx/mi1cieAiBZo5O6l8IBIoQxvkz4= github.com/lightningnetwork/lnd/sqldb v1.0.3 h1:zLfAwOvM+6+3+hahYO9Q3h8pVV0TghAR7iJ5YMLCd3I= From 58317e66d3705cdbe94452cd70a032503dfdd92d Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 11:33:17 +0200 Subject: [PATCH 251/343] lnrpc/Dockerfile: update falafel version Update the falafel version. --- lnrpc/Dockerfile | 2 +- lnrpc/autopilotrpc/autopilot.pb.json.go | 2 +- lnrpc/chainrpc/chainkit.pb.json.go | 2 +- lnrpc/chainrpc/chainnotifier.pb.json.go | 2 +- lnrpc/devrpc/dev.pb.json.go | 2 +- lnrpc/invoicesrpc/invoices.pb.json.go | 2 +- lnrpc/lightning.pb.json.go | 2 +- lnrpc/neutrinorpc/neutrinokit.pb.json.go | 2 +- lnrpc/peersrpc/peers.pb.json.go | 2 +- lnrpc/routerrpc/router.pb.json.go | 2 +- lnrpc/signrpc/signer.pb.json.go | 2 +- lnrpc/state.pb.json.go | 2 +- lnrpc/verrpc/versioner.pb.json.go | 2 +- lnrpc/walletrpc/walletkit.pb.json.go | 2 +- lnrpc/walletunlocker.pb.json.go | 2 +- lnrpc/watchtowerrpc/watchtower.pb.json.go | 2 +- lnrpc/wtclientrpc/watchtowerclient.pb.json.go | 2 +- 17 files changed, 17 insertions(+), 17 deletions(-) diff --git a/lnrpc/Dockerfile b/lnrpc/Dockerfile index 207ae694f9..0f74d5e360 100644 --- a/lnrpc/Dockerfile +++ b/lnrpc/Dockerfile @@ -12,7 +12,7 @@ ARG PROTOBUF_VERSION ARG GRPC_GATEWAY_VERSION ENV PROTOC_GEN_GO_GRPC_VERSION="v1.1.0" -ENV FALAFEL_VERSION="v0.9.1" +ENV FALAFEL_VERSION="v0.9.2" ENV GOCACHE=/tmp/build/.cache ENV GOMODCACHE=/tmp/build/.modcache diff --git a/lnrpc/autopilotrpc/autopilot.pb.json.go b/lnrpc/autopilotrpc/autopilot.pb.json.go index 53b286315c..cac68fa825 100644 --- a/lnrpc/autopilotrpc/autopilot.pb.json.go +++ b/lnrpc/autopilotrpc/autopilot.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: autopilot.proto package autopilotrpc diff --git a/lnrpc/chainrpc/chainkit.pb.json.go b/lnrpc/chainrpc/chainkit.pb.json.go index 8979b593c8..c4557064a8 100644 --- a/lnrpc/chainrpc/chainkit.pb.json.go +++ b/lnrpc/chainrpc/chainkit.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: chainkit.proto package chainrpc diff --git a/lnrpc/chainrpc/chainnotifier.pb.json.go b/lnrpc/chainrpc/chainnotifier.pb.json.go index c1a3294871..5f06ab9a10 100644 --- a/lnrpc/chainrpc/chainnotifier.pb.json.go +++ b/lnrpc/chainrpc/chainnotifier.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: chainnotifier.proto package chainrpc diff --git a/lnrpc/devrpc/dev.pb.json.go b/lnrpc/devrpc/dev.pb.json.go index 41f40609c7..954917a1a3 100644 --- a/lnrpc/devrpc/dev.pb.json.go +++ b/lnrpc/devrpc/dev.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: dev.proto package devrpc diff --git a/lnrpc/invoicesrpc/invoices.pb.json.go b/lnrpc/invoicesrpc/invoices.pb.json.go index 6e2bb6f00a..f41605eba2 100644 --- a/lnrpc/invoicesrpc/invoices.pb.json.go +++ b/lnrpc/invoicesrpc/invoices.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: invoices.proto package invoicesrpc diff --git a/lnrpc/lightning.pb.json.go b/lnrpc/lightning.pb.json.go index 330b076284..2ea9b620c4 100644 --- a/lnrpc/lightning.pb.json.go +++ b/lnrpc/lightning.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: lightning.proto package lnrpc diff --git a/lnrpc/neutrinorpc/neutrinokit.pb.json.go b/lnrpc/neutrinorpc/neutrinokit.pb.json.go index 11cc19d306..77b191dc25 100644 --- a/lnrpc/neutrinorpc/neutrinokit.pb.json.go +++ b/lnrpc/neutrinorpc/neutrinokit.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: neutrino.proto package neutrinorpc diff --git a/lnrpc/peersrpc/peers.pb.json.go b/lnrpc/peersrpc/peers.pb.json.go index b47ba5a966..ac3521c25b 100644 --- a/lnrpc/peersrpc/peers.pb.json.go +++ b/lnrpc/peersrpc/peers.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: peers.proto package peersrpc diff --git a/lnrpc/routerrpc/router.pb.json.go b/lnrpc/routerrpc/router.pb.json.go index d59f9401c8..03b9e8a24e 100644 --- a/lnrpc/routerrpc/router.pb.json.go +++ b/lnrpc/routerrpc/router.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: router.proto package routerrpc diff --git a/lnrpc/signrpc/signer.pb.json.go b/lnrpc/signrpc/signer.pb.json.go index 1a18042dbf..6adf032c51 100644 --- a/lnrpc/signrpc/signer.pb.json.go +++ b/lnrpc/signrpc/signer.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: signer.proto package signrpc diff --git a/lnrpc/state.pb.json.go b/lnrpc/state.pb.json.go index 31130849ba..cd4b9e9a84 100644 --- a/lnrpc/state.pb.json.go +++ b/lnrpc/state.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: stateservice.proto package lnrpc diff --git a/lnrpc/verrpc/versioner.pb.json.go b/lnrpc/verrpc/versioner.pb.json.go index fc7f0fcad1..040feb6769 100644 --- a/lnrpc/verrpc/versioner.pb.json.go +++ b/lnrpc/verrpc/versioner.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: verrpc.proto package verrpc diff --git a/lnrpc/walletrpc/walletkit.pb.json.go b/lnrpc/walletrpc/walletkit.pb.json.go index 9860db46b6..1d2700e218 100644 --- a/lnrpc/walletrpc/walletkit.pb.json.go +++ b/lnrpc/walletrpc/walletkit.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: walletkit.proto package walletrpc diff --git a/lnrpc/walletunlocker.pb.json.go b/lnrpc/walletunlocker.pb.json.go index 98ae21c459..8b6780fbcc 100644 --- a/lnrpc/walletunlocker.pb.json.go +++ b/lnrpc/walletunlocker.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: walletunlocker.proto package lnrpc diff --git a/lnrpc/watchtowerrpc/watchtower.pb.json.go b/lnrpc/watchtowerrpc/watchtower.pb.json.go index 92c3f73340..88bd05a0fb 100644 --- a/lnrpc/watchtowerrpc/watchtower.pb.json.go +++ b/lnrpc/watchtowerrpc/watchtower.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: watchtower.proto package watchtowerrpc diff --git a/lnrpc/wtclientrpc/watchtowerclient.pb.json.go b/lnrpc/wtclientrpc/watchtowerclient.pb.json.go index f9773c5d94..deff25ba4a 100644 --- a/lnrpc/wtclientrpc/watchtowerclient.pb.json.go +++ b/lnrpc/wtclientrpc/watchtowerclient.pb.json.go @@ -1,4 +1,4 @@ -// Code generated by falafel 0.9.1. DO NOT EDIT. +// Code generated by falafel 0.9.2. DO NOT EDIT. // source: wtclient.proto package wtclientrpc From e8da2fa0bdb0f8548b2381eb7531ba7364869aa0 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 11:35:52 +0200 Subject: [PATCH 252/343] lnrpc/gen_protos: remove manual_imports With the updated falafel version, there is no longer a need to specify manual imports. --- lnrpc/gen_protos.sh | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/lnrpc/gen_protos.sh b/lnrpc/gen_protos.sh index 9919c11b57..ef61249a14 100755 --- a/lnrpc/gen_protos.sh +++ b/lnrpc/gen_protos.sh @@ -50,18 +50,7 @@ function generate() { PACKAGES="autopilotrpc chainrpc invoicesrpc neutrinorpc peersrpc routerrpc signrpc verrpc walletrpc watchtowerrpc wtclientrpc devrpc" for package in $PACKAGES; do - # Special import for the wallet kit. - manual_import="" - if [[ "$package" == "walletrpc" ]]; then - manual_import="github.com/lightningnetwork/lnd/lnrpc/signrpc" - fi - - # Special import for devrpc. - if [[ "$package" == "devrpc" ]]; then - manual_import="github.com/lightningnetwork/lnd/lnrpc" - fi - - opts="package_name=$package,manual_import=$manual_import,js_stubs=1" + opts="package_name=$package,js_stubs=1" pushd $package protoc -I/usr/local/include -I. -I.. \ --plugin=protoc-gen-custom=$falafel\ From 66e10fda060bf87098cb02a685e6cb632d8747bf Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 11:38:29 +0200 Subject: [PATCH 253/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 3038d22c5a..0a98e60540 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -118,6 +118,10 @@ commitment when the channel was force closed. * [Added](https://github.com/lightningnetwork/lnd/pull/8836) a new failure reason `FailureReasonCanceled` to the list of payment failure reasons. It indicates that a payment was manually cancelled by the user. + +* [Update the version](https://github.com/lightningnetwork/lnd/pull/8974) of + [falafel](https://github.com/lightninglabs/falafel) used to generate JSON/wasm + stubs. This latest version of falafel also supports proto3 optional fields. ## Breaking Changes ## Performance Improvements From 2d00859b75dad72b42a5f1ad2ddd7208afc44118 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 12:45:22 +0200 Subject: [PATCH 254/343] mobile: correct output directory for generated files --- mobile/gen_bindings.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mobile/gen_bindings.sh b/mobile/gen_bindings.sh index 035cf79bdf..8d4e9301b0 100755 --- a/mobile/gen_bindings.sh +++ b/mobile/gen_bindings.sh @@ -48,7 +48,7 @@ for file in $PROTOS; do protoc -I/usr/local/include -I. \ --plugin=protoc-gen-custom=$falafel\ - --custom_out=./build \ + --custom_out=. \ --custom_opt="$opts" \ --proto_path=../lnrpc \ "${file}" @@ -78,7 +78,7 @@ do protoc -I/usr/local/include -I. \ -I../lnrpc \ --plugin=protoc-gen-custom=$falafel \ - --custom_out=./build \ + --custom_out=. \ --custom_opt="$opts" \ --proto_path=${DIRECTORY} \ ${file} From 6ab34665fbb1f3a1b4cc894e0c27a3d20c9e2db3 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 15:08:31 +0200 Subject: [PATCH 255/343] routing: fix race in TestNewRouteRequest The `err` variable was being shared by the parallel threads. --- routing/router_test.go | 1 + 1 file changed, 1 insertion(+) diff --git a/routing/router_test.go b/routing/router_test.go index 28cced4e64..43351d6d20 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -2234,6 +2234,7 @@ func TestNewRouteRequest(t *testing.T) { var ( blindedPathInfo *BlindedPaymentPathSet expectedTarget = testCase.expectedTarget + err error ) if testCase.blindedPayment != nil { blindedPathInfo, err = NewBlindedPaymentPathSet( From a2b19afe597916d32486eb1eb6374551d02e7918 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Mon, 22 Jul 2024 14:44:47 -0700 Subject: [PATCH 256/343] channeldb+lnwallet: define Initiator for OpenChannel and LightningChannel This commit introduces a new API to return information on which party opened the channel using the new ChannelParty type. It does not change the underlying structure of how we store this information. --- channeldb/channel.go | 12 ++++++++++++ lnwallet/channel.go | 8 ++++++++ 2 files changed, 20 insertions(+) diff --git a/channeldb/channel.go b/channeldb/channel.go index ad02084671..ea48bcd5ba 100644 --- a/channeldb/channel.go +++ b/channeldb/channel.go @@ -889,6 +889,18 @@ func (c *OpenChannel) String() string { ) } +// Initiator returns the ChannelParty that originally opened this channel. +func (c *OpenChannel) Initiator() lntypes.ChannelParty { + c.RLock() + defer c.RUnlock() + + if c.IsInitiator { + return lntypes.Local + } + + return lntypes.Remote +} + // ShortChanID returns the current ShortChannelID of this channel. func (c *OpenChannel) ShortChanID() lnwire.ShortChannelID { c.RLock() diff --git a/lnwallet/channel.go b/lnwallet/channel.go index afe10b950a..21c5f897cf 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -8709,6 +8709,14 @@ func (lc *LightningChannel) ChanType() channeldb.ChannelType { return lc.channelState.ChanType } +// Initiator returns the ChannelParty that originally opened this channel. +func (lc *LightningChannel) Initiator() lntypes.ChannelParty { + lc.RLock() + defer lc.RUnlock() + + return lc.channelState.Initiator() +} + // FundingTxOut returns the funding output of the channel. func (lc *LightningChannel) FundingTxOut() *wire.TxOut { lc.RLock() From 0176fca8266c28d1233dfe7b1aad4585ee88c9be Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 6 Dec 2023 16:44:59 -0800 Subject: [PATCH 257/343] lnwire: add wire type for stfu --- lnwire/fuzz_test.go | 11 +++++++ lnwire/lnwire_test.go | 22 ++++++++++++++ lnwire/message.go | 5 ++++ lnwire/stfu.go | 69 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 107 insertions(+) create mode 100644 lnwire/stfu.go diff --git a/lnwire/fuzz_test.go b/lnwire/fuzz_test.go index 542a2f0c0a..9a759604aa 100644 --- a/lnwire/fuzz_test.go +++ b/lnwire/fuzz_test.go @@ -191,6 +191,17 @@ func FuzzWarning(f *testing.F) { }) } +func FuzzStfu(f *testing.F) { + f.Fuzz(func(t *testing.T, data []byte) { + // Prefix with MsgStfu. + data = prefixWithMsgType(data, MsgStfu) + + // Pass the message into our general fuzz harness for wire + // messages. + harness(t, data) + }) +} + func FuzzFundingCreated(f *testing.F) { f.Fuzz(func(t *testing.T, data []byte) { // Prefix with MsgFundingCreated. diff --git a/lnwire/lnwire_test.go b/lnwire/lnwire_test.go index e4c5c6baf5..122a996601 100644 --- a/lnwire/lnwire_test.go +++ b/lnwire/lnwire_test.go @@ -438,6 +438,22 @@ func TestLightningWireProtocol(t *testing.T) { // are too complex for the testing/quick package to automatically // generate. customTypeGen := map[MessageType]func([]reflect.Value, *rand.Rand){ + MsgStfu: func(v []reflect.Value, r *rand.Rand) { + req := Stfu{} + if _, err := r.Read(req.ChanID[:]); err != nil { + t.Fatalf("unable to generate ChanID: %v", err) + } + + // 1/2 chance of being initiator + req.Initiator = r.Intn(2) == 1 + + // 1/2 chance additional TLV data. + if r.Intn(2) == 0 { + req.ExtraData = []byte{0xfd, 0x00, 0xff, 0x00} + } + + v[0] = reflect.ValueOf(req) + }, MsgInit: func(v []reflect.Value, r *rand.Rand) { req := NewInitMessage( randRawFeatureVector(r), @@ -1384,6 +1400,12 @@ func TestLightningWireProtocol(t *testing.T) { msgType MessageType scenario interface{} }{ + { + msgType: MsgStfu, + scenario: func(m Stfu) bool { + return mainScenario(&m) + }, + }, { msgType: MsgInit, scenario: func(m Init) bool { diff --git a/lnwire/message.go b/lnwire/message.go index bcee9f86d4..2bf64a3131 100644 --- a/lnwire/message.go +++ b/lnwire/message.go @@ -23,6 +23,7 @@ type MessageType uint16 // Lightning protocol. const ( MsgWarning MessageType = 1 + MsgStfu = 2 MsgInit = 16 MsgError = 17 MsgPing = 18 @@ -84,6 +85,8 @@ func (t MessageType) String() string { switch t { case MsgWarning: return "Warning" + case MsgStfu: + return "Stfu" case MsgInit: return "Init" case MsgOpenChannel: @@ -211,6 +214,8 @@ func makeEmptyMessage(msgType MessageType) (Message, error) { switch msgType { case MsgWarning: msg = &Warning{} + case MsgStfu: + msg = &Stfu{} case MsgInit: msg = &Init{} case MsgOpenChannel: diff --git a/lnwire/stfu.go b/lnwire/stfu.go new file mode 100644 index 0000000000..0ba1730f41 --- /dev/null +++ b/lnwire/stfu.go @@ -0,0 +1,69 @@ +package lnwire + +import ( + "bytes" + "io" +) + +// Stfu is a message that is sent to lock the channel state prior to some other +// interactive protocol where channel updates need to be paused. +type Stfu struct { + // ChanID identifies which channel needs to be frozen. + ChanID ChannelID + + // Initiator is a byte that identifies whether we are the initiator of + // this process. + Initiator bool + + // ExtraData is the set of data that was appended to this message to + // fill out the full maximum transport message size. These fields can + // be used to specify optional data such as custom TLV fields. + ExtraData ExtraOpaqueData +} + +// A compile time check to ensure Stfu implements the lnwire.Message interface. +var _ Message = (*Stfu)(nil) + +// Encode serializes the target Stfu into the passed io.Writer. +// Serialization will observe the rules defined by the passed protocol version. +// +// This is a part of the lnwire.Message interface. +func (s *Stfu) Encode(w *bytes.Buffer, _ uint32) error { + if err := WriteChannelID(w, s.ChanID); err != nil { + return err + } + + if err := WriteBool(w, s.Initiator); err != nil { + return err + } + + return WriteBytes(w, s.ExtraData) +} + +// Decode deserializes the serialized Stfu stored in the passed io.Reader +// into the target Stfu using the deserialization rules defined by the +// passed protocol version. +// +// This is a part of the lnwire.Message interface. +func (s *Stfu) Decode(r io.Reader, _ uint32) error { + if err := ReadElements( + r, &s.ChanID, &s.Initiator, &s.ExtraData, + ); err != nil { + return err + } + + // This is required to pass the fuzz test round trip equality check. + if len(s.ExtraData) == 0 { + s.ExtraData = nil + } + + return nil +} + +// MsgType returns the MessageType code which uniquely identifies this message +// as a Stfu on the wire. +// +// This is part of the lnwire.Message interface. +func (s *Stfu) MsgType() MessageType { + return MsgStfu +} From b172227cb30bbc514186a86f82b984353b27f847 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Mon, 11 Dec 2023 13:03:47 -0800 Subject: [PATCH 258/343] lnwire: add Stfu to LinkUpdater interface --- lnwire/stfu.go | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/lnwire/stfu.go b/lnwire/stfu.go index 0ba1730f41..a052a517a0 100644 --- a/lnwire/stfu.go +++ b/lnwire/stfu.go @@ -67,3 +67,15 @@ func (s *Stfu) Decode(r io.Reader, _ uint32) error { func (s *Stfu) MsgType() MessageType { return MsgStfu } + +// A compile time check to ensure Stfu implements the +// lnwire.LinkUpdater interface. +var _ LinkUpdater = (*Stfu)(nil) + +// TargetChanID returns the channel id of the link for which this message is +// intended. +// +// NOTE: Part of peer.LinkUpdater interface. +func (s *Stfu) TargetChanID() ChannelID { + return s.ChanID +} From 2ddc3db5f8fe9d1cdda949a6179e910932855d2e Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Tue, 12 Mar 2024 11:34:57 -0700 Subject: [PATCH 259/343] peer: add message summary for Stfu --- peer/brontide.go | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/peer/brontide.go b/peer/brontide.go index 27438daa6f..5176959e23 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -2144,6 +2144,10 @@ func messageSummary(msg lnwire.Message) string { time.Unix(int64(msg.FirstTimestamp), 0), msg.TimestampRange) + case *lnwire.Stfu: + return fmt.Sprintf("chan_id=%v, initiator=%v", msg.ChanID, + msg.Initiator) + case *lnwire.Custom: return fmt.Sprintf("type=%d", msg.Type) } From 14e371948b6a21e346c1ec303793c64c32dadd86 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 15 May 2024 15:28:43 -0700 Subject: [PATCH 260/343] lnwallet: remove unnecessary duplicate definition --- lnwallet/channel.go | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/lnwallet/channel.go b/lnwallet/channel.go index 470961445e..d061848e22 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -349,23 +349,13 @@ type commitment struct { // locateOutputIndex is a small helper function to locate the output index of a // particular HTLC within the current commitment transaction. The duplicate map -// massed in is to be retained for each output within the commitment +// passed in is to be retained for each output within the commitment // transition. This ensures that we don't assign multiple HTLCs to the same // index within the commitment transaction. func locateOutputIndex(p *PaymentDescriptor, tx *wire.MsgTx, whoseCommit lntypes.ChannelParty, dups map[PaymentHash][]int32, cltvs []uint32) (int32, error) { - // Checks to see if element (e) exists in slice (s). - contains := func(s []int32, e int32) bool { - for _, a := range s { - if a == e { - return true - } - } - return false - } - // If this is their commitment transaction, we'll be trying to locate // their pkScripts, otherwise we'll be looking for ours. This is // required as the commitment states are asymmetric in order to ascribe @@ -385,7 +375,7 @@ func locateOutputIndex(p *PaymentDescriptor, tx *wire.MsgTx, // If this payment hash and index has already been // found, then we'll continue in order to avoid any // duplicate indexes. - if contains(dups[p.RHash], int32(i)) { + if fn.Elem(int32(i), dups[p.RHash]) { continue } From 935e7f1bee3a5d61bf80d5db1cd43bad48ecaea0 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Wed, 15 May 2024 15:32:03 -0700 Subject: [PATCH 261/343] lnwallet: remove unused parameters in LightningChannel methods --- lnwallet/channel.go | 9 ++++----- lnwallet/channel_test.go | 2 +- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/lnwallet/channel.go b/lnwallet/channel.go index d061848e22..65ae01356b 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -566,7 +566,7 @@ func (c *commitment) toDiskCommit( // restore commitment state written to disk back into memory once we need to // restart a channel session. func (lc *LightningChannel) diskHtlcToPayDesc(feeRate chainfee.SatPerKWeight, - commitHeight uint64, htlc *channeldb.HTLC, localCommitKeys, + htlc *channeldb.HTLC, localCommitKeys *CommitmentKeyRing, remoteCommitKeys *CommitmentKeyRing, whoseCommit lntypes.ChannelParty, ) (PaymentDescriptor, error) { @@ -654,8 +654,8 @@ func (lc *LightningChannel) diskHtlcToPayDesc(feeRate chainfee.SatPerKWeight, // to a set of incoming and outgoing payment descriptors. Once reconstructed, // these payment descriptors can be re-inserted into the in-memory updateLog // for each side. -func (lc *LightningChannel) extractPayDescs(commitHeight uint64, - feeRate chainfee.SatPerKWeight, htlcs []channeldb.HTLC, localCommitKeys, +func (lc *LightningChannel) extractPayDescs(feeRate chainfee.SatPerKWeight, + htlcs []channeldb.HTLC, localCommitKeys *CommitmentKeyRing, remoteCommitKeys *CommitmentKeyRing, whoseCommit lntypes.ChannelParty, ) ([]PaymentDescriptor, []PaymentDescriptor, error) { @@ -675,7 +675,7 @@ func (lc *LightningChannel) extractPayDescs(commitHeight uint64, htlc := htlc payDesc, err := lc.diskHtlcToPayDesc( - feeRate, commitHeight, &htlc, + feeRate, &htlc, localCommitKeys, remoteCommitKeys, whoseCommit, ) @@ -728,7 +728,6 @@ func (lc *LightningChannel) diskCommitToMemCommit( // HTLC"s into PaymentDescriptor's so we can re-insert them into our // update log. incomingHtlcs, outgoingHtlcs, err := lc.extractPayDescs( - diskCommit.CommitHeight, chainfee.SatPerKWeight(diskCommit.FeePerKw), diskCommit.Htlcs, localCommitKeys, remoteCommitKeys, whoseCommit, diff --git a/lnwallet/channel_test.go b/lnwallet/channel_test.go index 6842feb835..fcaf0fc08f 100644 --- a/lnwallet/channel_test.go +++ b/lnwallet/channel_test.go @@ -10379,7 +10379,7 @@ func TestExtractPayDescs(t *testing.T) { // NOTE: we use nil commitment key rings to avoid checking the htlc // scripts(`genHtlcScript`) as it should be tested independently. incomingPDs, outgoingPDs, err := lnChan.extractPayDescs( - 0, 0, htlcs, nil, nil, lntypes.Local, + 0, htlcs, nil, nil, lntypes.Local, ) require.NoError(t, err) From 63af63dfa832a2fa3616c854ca7535cf79d86424 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Tue, 6 Aug 2024 18:38:10 +0200 Subject: [PATCH 262/343] lnrpc: avoid needing to download Golang Because the Go version used to run the `go list` commands is below the minimum version specified in the main go.mod file, every time the `make rpc` command is executed, the Golang runtime is downloaded twice, which looks like this and takes a couple of seconds at least: go: downloading go1.21.4 (linux/amd64) go: downloading go1.21.4 (linux/amd64) We fix this by using the correct minimum version. --- lnrpc/gen_protos_docker.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lnrpc/gen_protos_docker.sh b/lnrpc/gen_protos_docker.sh index c5263bcd86..edf97e06b9 100755 --- a/lnrpc/gen_protos_docker.sh +++ b/lnrpc/gen_protos_docker.sh @@ -6,7 +6,7 @@ set -e DIR="$(cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd)" # golang docker image version used in this script. -GO_IMAGE=docker.io/library/golang:1.21.0-alpine +GO_IMAGE=docker.io/library/golang:1.21.4-alpine PROTOBUF_VERSION=$(docker run --rm -v $DIR/../:/lnd -w /lnd $GO_IMAGE \ go list -f '{{.Version}}' -m google.golang.org/protobuf) From c3c4e79593f6b43091fb65fc87789d3e431e6f39 Mon Sep 17 00:00:00 2001 From: Keagan McClelland Date: Fri, 24 May 2024 15:07:32 -0700 Subject: [PATCH 263/343] lnwallet: update updateLog.modifiedHtlcs to use fn.Set --- lnwallet/update_log.go | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/lnwallet/update_log.go b/lnwallet/update_log.go index 80332cfc57..5b9d6c5657 100644 --- a/lnwallet/update_log.go +++ b/lnwallet/update_log.go @@ -44,7 +44,7 @@ type updateLog struct { // htlcs, hence update types `Fail|MalformedFail|Settle`. A modified // HTLC is one that's present in the log, and has as a pending fail or // settle that's attempting to consume it. - modifiedHtlcs map[uint64]struct{} + modifiedHtlcs fn.Set[uint64] } // newUpdateLog creates a new updateLog instance. @@ -55,7 +55,7 @@ func newUpdateLog(logIndex, htlcCounter uint64) *updateLog { htlcIndex: make(map[uint64]*fn.Node[*PaymentDescriptor]), logIndex: logIndex, htlcCounter: htlcCounter, - modifiedHtlcs: make(map[uint64]struct{}), + modifiedHtlcs: fn.NewSet[uint64](), } } @@ -122,21 +122,20 @@ func (u *updateLog) removeHtlc(i uint64) { u.Remove(entry) delete(u.htlcIndex, i) - delete(u.modifiedHtlcs, i) + u.modifiedHtlcs.Remove(i) } // htlcHasModification returns true if the HTLC identified by the passed index // has a pending modification within the log. func (u *updateLog) htlcHasModification(i uint64) bool { - _, o := u.modifiedHtlcs[i] - return o + return u.modifiedHtlcs.Contains(i) } // markHtlcModified marks an HTLC as modified based on its HTLC index. After a // call to this method, htlcHasModification will return true until the HTLC is // removed. func (u *updateLog) markHtlcModified(i uint64) { - u.modifiedHtlcs[i] = struct{}{} + u.modifiedHtlcs.Add(i) } // compactLogs performs garbage collection within the log removing HTLCs which From 94b9b50a4283ed2eb754acd0e8afb497546fc0b8 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Wed, 7 Aug 2024 09:16:37 +0200 Subject: [PATCH 264/343] mod: update comment what to change on Go version bump --- go.mod | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/go.mod b/go.mod index 65dd1ded77..0e628d18b0 100644 --- a/go.mod +++ b/go.mod @@ -204,8 +204,8 @@ replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.2 // allows us to specify that as an option. replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display -// If you change this please also update .github/pull_request_template.md and -// docs/INSTALL.md. +// If you change this please also update .github/pull_request_template.md, +// docs/INSTALL.md and GO_IMAGE in lnrpc/gen_protos_docker.sh. go 1.21.4 retract v0.0.2 From 2c79bf9635256d0ea6ab42286e516facc54e28cd Mon Sep 17 00:00:00 2001 From: bitromortac Date: Tue, 25 Jun 2024 19:32:55 +0200 Subject: [PATCH 265/343] routing: refactor backward and forward pass --- routing/router.go | 114 ++++++++++++++++++++++++++++++----------- routing/router_test.go | 8 ++- 2 files changed, 91 insertions(+), 31 deletions(-) diff --git a/routing/router.go b/routing/router.go index 1fce71fb35..1a5c853970 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1545,48 +1545,90 @@ func getEdgeUnifiers(source route.Vertex, hops []route.Vertex, // determines the amount that should be sent to fulfill min HTLC requirements. // The minimal sender amount can be searched for by activating useMinAmt. func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, - runningAmt lnwire.MilliSatoshi, + receiverAmt lnwire.MilliSatoshi, bandwidthHints bandwidthHints) ([]*unifiedEdge, lnwire.MilliSatoshi, error) { + if len(unifiers) == 0 { + return nil, 0, fmt.Errorf("no unifiers provided") + } + var unifiedEdges = make([]*unifiedEdge, len(unifiers)) - // Traverse hops backwards to accumulate fees in the running amounts. - for i := len(unifiers) - 1; i >= 0; i-- { - localChan := i == 0 - edgeUnifier := unifiers[i] + // We traverse the route backwards and handle the last hop separately. + edgeUnifier := unifiers[len(unifiers)-1] + + // incomingAmt tracks the amount that is forwarded on the edges of a + // route. The last hop only forwards the amount that the receiver should + // receive, as there are no fees paid to the last node. + incomingAmt := receiverAmt + + // If using min amt, increase the amount if needed to fulfill min HTLC + // requirements. + if useMinAmt { + min := edgeUnifier.minAmt() + if min > incomingAmt { + incomingAmt = min + } + } - // If using min amt, increase amt if needed. + // Get an edge for the specific amount that we want to forward. + edge := edgeUnifier.getEdge(incomingAmt, bandwidthHints, 0) + if edge == nil { + log.Errorf("Cannot find policy with amt=%v "+ + "for hop %v", incomingAmt, len(unifiers)-1) + + return nil, 0, ErrNoChannel{position: len(unifiers) - 1} + } + + unifiedEdges[len(unifiers)-1] = edge + + // Handle the rest of the route except the last hop. + for i := len(unifiers) - 2; i >= 0; i-- { + edgeUnifier = unifiers[i] + + // If using min amt, increase the amount if needed to fulfill + // min HTLC requirements. if useMinAmt { min := edgeUnifier.minAmt() - if min > runningAmt { - runningAmt = min + if min > incomingAmt { + incomingAmt = min } } - // Get an edge for the specific amount that we want to forward. - edge := edgeUnifier.getEdge(runningAmt, bandwidthHints, 0) - if edge == nil { - log.Errorf("Cannot find policy with amt=%v for hop %v", - runningAmt, i) + // A --current hop-- B --next hop: incomingAmt-- C + // The outbound fee paid to the current end node B is based on + // the amount that the next hop forwards and B's policy for that + // hop. + outboundFee := unifiedEdges[i+1].policy.ComputeFee( + incomingAmt, + ) - return nil, 0, ErrNoChannel{ - position: i, - } - } + netAmount := incomingAmt + outboundFee - // Add fee for this hop. - if !localChan { - runningAmt += edge.policy.ComputeFee(runningAmt) + // We need to select an edge that can forward the requested + // amount. + edge = edgeUnifier.getEdge( + netAmount, bandwidthHints, outboundFee, + ) + if edge == nil { + return nil, 0, ErrNoChannel{position: i} } + fee := outboundFee + log.Tracef("Select channel %v at position %v", edge.policy.ChannelID, i) + // Finally, we update the amount that needs to flow into node B + // from A, which is the next hop's forwarding amount plus the + // fee for B: A --current hop: incomingAmt-- B --next hop-- C + incomingAmt += fee + unifiedEdges[i] = edge } - return unifiedEdges, runningAmt, nil + return unifiedEdges, incomingAmt, nil } // receiverAmtForwardPass returns the amount that a receiver will receive after @@ -1594,20 +1636,32 @@ func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, func receiverAmtForwardPass(runningAmt lnwire.MilliSatoshi, unifiedEdges []*unifiedEdge) (lnwire.MilliSatoshi, error) { + if len(unifiedEdges) == 0 { + return 0, fmt.Errorf("no edges to forward through") + } + + inEdge := unifiedEdges[0] + if !inEdge.amtInRange(runningAmt) { + log.Errorf("Amount %v not in range for hop index %v", + runningAmt, 0) + + return 0, ErrNoChannel{position: 0} + } + // Now that we arrived at the start of the route and found out the route // total amount, we make a forward pass. Because the amount may have // been increased in the backward pass, fees need to be recalculated and // amount ranges re-checked. - for i, edge := range unifiedEdges { - if i > 0 { - // Decrease the amount to send while going forward. - runningAmt -= edge.policy.ComputeFeeFromIncoming( - runningAmt, - ) - } + for i := 1; i < len(unifiedEdges); i++ { + outEdge := unifiedEdges[i] + + // Decrease the amount to send while going forward. + runningAmt -= outEdge.policy.ComputeFeeFromIncoming( + runningAmt, + ) - if !edge.amtInRange(runningAmt) { - log.Errorf("Amount %v not in range for hop %v", + if !outEdge.amtInRange(runningAmt) { + log.Errorf("Amount %v not in range for hop index %v", runningAmt, i) return 0, ErrNoChannel{position: i} diff --git a/routing/router_test.go b/routing/router_test.go index 3371678c10..7ee5817b45 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -1619,6 +1619,11 @@ func TestBuildRoute(t *testing.T) { _, err = rand.Read(payAddr[:]) require.NoError(t, err) + // Test that we can't build a route when no hops are given. + hops = []route.Vertex{} + _, err = ctx.router.BuildRoute(nil, hops, nil, 40, nil) + require.Error(t, err) + // Create hop list for an unknown destination. hops := []route.Vertex{ctx.aliases["b"], ctx.aliases["y"]} _, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) @@ -1698,7 +1703,8 @@ func TestReceiverAmtForwardPass(t *testing.T) { expectedErr string }{ { - name: "empty", + name: "empty", + expectedErr: "no edges to forward through", }, { name: "single edge, no valid policy", From 36cd03669b4fe8b4487fb6abe792005b6f84d71e Mon Sep 17 00:00:00 2001 From: bitromortac Date: Mon, 1 Jul 2024 13:34:45 +0200 Subject: [PATCH 266/343] routing: add outgoingFromIncoming amount calc Adds a utility function to be able to compute the outgoing routing amount from the incoming amount by taking inbound and outbound fees into account. The discussion was contributed by user feelancer21, see https://github.com/feelancer21/lnd/commit/f6f05fa930985aac0d27c3f6681aada1b599162a. --- routing/router.go | 223 +++++++++++++++++++++++++++++++++++++++++ routing/router_test.go | 150 +++++++++++++++++++++++++++ 2 files changed, 373 insertions(+) diff --git a/routing/router.go b/routing/router.go index 1a5c853970..d67fc2ebdb 100644 --- a/routing/router.go +++ b/routing/router.go @@ -5,6 +5,7 @@ import ( "context" "fmt" "math" + "math/big" "sort" "sync" "sync/atomic" @@ -836,6 +837,7 @@ func generateSphinxPacket(rt *route.Route, paymentHash []byte, hopCopy := sphinxPath[i] path[i] = hopCopy } + return spew.Sdump(path) }), ) @@ -1670,3 +1672,224 @@ func receiverAmtForwardPass(runningAmt lnwire.MilliSatoshi, return runningAmt, nil } + +// incomingFromOutgoing computes the incoming amount based on the outgoing +// amount by adding fees to the outgoing amount, replicating the path finding +// and routing process, see also CheckHtlcForward. +func incomingFromOutgoing(outgoingAmt lnwire.MilliSatoshi, + incoming, outgoing *unifiedEdge) lnwire.MilliSatoshi { + + outgoingFee := outgoing.policy.ComputeFee(outgoingAmt) + + // Net amount is the amount the inbound fees are calculated with. + netAmount := outgoingAmt + outgoingFee + + inboundFee := incoming.inboundFees.CalcFee(netAmount) + + // The inbound fee is not allowed to reduce the incoming amount below + // the outgoing amount. + if int64(outgoingFee)+inboundFee < 0 { + return outgoingAmt + } + + return netAmount + lnwire.MilliSatoshi(inboundFee) +} + +// outgoingFromIncoming computes the outgoing amount based on the incoming +// amount by subtracting fees from the incoming amount. Note that this is not +// exactly the inverse of incomingFromOutgoing, because of some rounding. +func outgoingFromIncoming(incomingAmt lnwire.MilliSatoshi, + incoming, outgoing *unifiedEdge) lnwire.MilliSatoshi { + + // Convert all quantities to big.Int to be able to hande negative + // values. The formulas to compute the outgoing amount involve terms + // with PPM*PPM*A, which can easily overflow an int64. + A := big.NewInt(int64(incomingAmt)) + Ro := big.NewInt(int64(outgoing.policy.FeeProportionalMillionths)) + Bo := big.NewInt(int64(outgoing.policy.FeeBaseMSat)) + Ri := big.NewInt(int64(incoming.inboundFees.Rate)) + Bi := big.NewInt(int64(incoming.inboundFees.Base)) + PPM := big.NewInt(1_000_000) + + // The following discussion was contributed by user feelancer21, see + //nolint:lll + // https://github.com/feelancer21/lnd/commit/f6f05fa930985aac0d27c3f6681aada1b599162a. + + // The incoming amount Ai based on the outgoing amount Ao is computed by + // Ai = max(Ai(Ao), Ao), which caps the incoming amount such that the + // total node fee (Ai - Ao) is non-negative. This is commonly enforced + // by routing nodes. + + // The function Ai(Ao) is given by: + // Ai(Ao) = (Ao + Bo + Ro/PPM) + (Bi + (Ao + Ro/PPM + Bo)*Ri/PPM), where + // the first term is the net amount (the outgoing amount plus the + // outbound fee), and the second is the inbound fee computed based on + // the net amount. + + // Ai(Ao) can potentially become more negative in absolute value than + // Ao, which is why the above mentioned capping is needed. We can + // abbreviate Ai(Ao) with Ai(Ao) = m*Ao + n, where m and n are: + // m := (1 + Ro/PPM) * (1 + Ri/PPM) + // n := Bi + Bo*(1 + Ri/PPM) + + // If we know that m > 0, this is equivalent of Ri/PPM > -1, because Ri + // is the only factor that can become negative. A value or Ri/PPM = -1, + // means that the routing node is willing to give up on 100% of the + // net amount (based on the fee rate), which is likely to not happen in + // practice. This condition will be important for a later trick. + + // If we want to compute the incoming amount based on the outgoing + // amount, which is the reverse problem, we need to solve Ai = + // max(Ai(Ao), Ao) for Ao(Ai). Given an incoming amount A, + // we look for an Ao such that A = max(Ai(Ao), Ao). + + // The max function separates this into two cases. The case to take is + // not clear yet, because we don't know Ao, but later we see a trick + // how to determine which case is the one to take. + + // first case: Ai(Ao) <= Ao: + // Therefore, A = max(Ai(Ao), Ao) = Ao, we find Ao = A. + // This also leads to Ai(A) <= A by substitution into the condition. + + // second case: Ai(Ao) > Ao: + // Therefore, A = max(Ai(Ao), Ao) = Ai(Ao) = m*Ao + n. Solving for Ao + // gives Ao = (A - n)/m. + // + // We know + // Ai(Ao) > Ao <=> A = Ai(Ao) > Ao = (A - n)/m, + // so A > (A - n)/m. + // + // **Assuming m > 0**, by multiplying with m, we can transform this to + // A * m + n > A. + // + // We know Ai(A) = A*m + n, therefore Ai(A) > A. + // + // This means that if we apply the incoming amount calculation to the + // **incoming** amount, and this condition holds, then we know that we + // deal with the second case, being able to compute the outgoing amount + // based off the formula Ao = (A - n)/m, otherwise we will just return + // the incoming amount. + + // In case the inbound fee rate is less than -1 (-100%), we fail to + // compute the outbound amount and return the incoming amount. This also + // protects against zero division later. + + // We compute m in terms of big.Int to be safe from overflows and to be + // consistent with later calculations. + // m := (PPM*PPM + Ri*PPM + Ro*PPM + Ro*Ri)/(PPM*PPM) + + // Compute terms in (PPM*PPM + Ri*PPM + Ro*PPM + Ro*Ri). + m1 := new(big.Int).Mul(PPM, PPM) + m2 := new(big.Int).Mul(Ri, PPM) + m3 := new(big.Int).Mul(Ro, PPM) + m4 := new(big.Int).Mul(Ro, Ri) + + // Add up terms m1..m4. + m := big.NewInt(0) + m.Add(m, m1) + m.Add(m, m2) + m.Add(m, m3) + m.Add(m, m4) + + // Since we compare to 0, we can multiply by PPM*PPM to avoid the + // division. + if m.Int64() <= 0 { + return incomingAmt + } + + // In order to decide if the total fee is negative, we apply the fee + // to the *incoming* amount as mentioned before. + + // We compute the test amount in terms of big.Int to be safe from + // overflows and to be consistent later calculations. + // testAmtF := A*m + n = + // = A + Bo + Bi + (PPM*(A*Ri + A*Ro + Ro*Ri) + A*Ri*Ro)/(PPM*PPM) + + // Compute terms in (A*Ri + A*Ro + Ro*Ri). + t1 := new(big.Int).Mul(A, Ri) + t2 := new(big.Int).Mul(A, Ro) + t3 := new(big.Int).Mul(Ro, Ri) + + // Sum up terms t1-t3. + t4 := big.NewInt(0) + t4.Add(t4, t1) + t4.Add(t4, t2) + t4.Add(t4, t3) + + // Compute PPM*(A*Ri + A*Ro + Ro*Ri). + t6 := new(big.Int).Mul(PPM, t4) + + // Compute A*Ri*Ro. + t7 := new(big.Int).Mul(A, Ri) + t7.Mul(t7, Ro) + + // Compute (PPM*(A*Ri + A*Ro + Ro*Ri) + A*Ri*Ro)/(PPM*PPM). + num := new(big.Int).Add(t6, t7) + denom := new(big.Int).Mul(PPM, PPM) + fraction := new(big.Int).Div(num, denom) + + // Sum up all terms. + testAmt := big.NewInt(0) + testAmt.Add(testAmt, A) + testAmt.Add(testAmt, Bo) + testAmt.Add(testAmt, Bi) + testAmt.Add(testAmt, fraction) + + // Protect against negative values for the integer cast to Msat. + if testAmt.Int64() < 0 { + return incomingAmt + } + + // If the second case holds, we have to compute the outgoing amount. + if lnwire.MilliSatoshi(testAmt.Int64()) > incomingAmt { + // Compute the outgoing amount by integer ceiling division. This + // precision is needed because PPM*PPM*A and other terms can + // easily overflow with int64, which happens with about + // A = 10_000 sat. + + // out := (A - n) / m = numerator / denominator + // numerator := PPM*(PPM*(A - Bo - Bi) - Bo*Ri) + // denominator := PPM*(PPM + Ri + Ro) + Ri*Ro + + var numerator big.Int + + // Compute (A - Bo - Bi). + temp1 := new(big.Int).Sub(A, Bo) + temp2 := new(big.Int).Sub(temp1, Bi) + + // Compute terms in (PPM*(A - Bo - Bi) - Bo*Ri). + temp3 := new(big.Int).Mul(PPM, temp2) + temp4 := new(big.Int).Mul(Bo, Ri) + + // Compute PPM*(PPM*(A - Bo - Bi) - Bo*Ri) + temp5 := new(big.Int).Sub(temp3, temp4) + numerator.Mul(PPM, temp5) + + var denominator big.Int + + // Compute (PPM + Ri + Ro). + temp1 = new(big.Int).Add(PPM, Ri) + temp2 = new(big.Int).Add(temp1, Ro) + + // Compute PPM*(PPM + Ri + Ro) + Ri*Ro. + temp3 = new(big.Int).Mul(PPM, temp2) + temp4 = new(big.Int).Mul(Ri, Ro) + denominator.Add(temp3, temp4) + + // We overestimate the outgoing amount by taking the ceiling of + // the division. This means that we may round slightly up by a + // MilliSatoshi, but this helps to ensure that we don't hit min + // HTLC constrains in the context of finding the minimum amount + // of a route. + // ceil = floor((numerator + denominator - 1) / denominator) + ceil := new(big.Int).Add(&numerator, &denominator) + ceil.Sub(ceil, big.NewInt(1)) + ceil.Div(ceil, &denominator) + + return lnwire.MilliSatoshi(ceil.Int64()) + } + + // Otherwise the inbound fee made up for the outbound fee, which is why + // we just return the incoming amount. + return incomingAmt +} diff --git a/routing/router_test.go b/routing/router_test.go index 7ee5817b45..ec095d7871 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -1886,6 +1886,156 @@ func TestSenderAmtBackwardPass(t *testing.T) { require.Equal(t, testReceiverAmt, receiverAmt) } +// TestInboundOutbound tests the functions that computes the incoming and +// outgoing amounts based on the fees of the incoming and outgoing channels. +func TestInboundOutbound(t *testing.T) { + var outgoingAmt uint64 = 10_000_000 + + tests := []struct { + name string + incomingBase int32 + incomingRate int32 + outgoingBase uint64 + outgoingRate uint64 + }{ + { + name: "only outbound fee", + incomingBase: 0, + incomingRate: 0, + outgoingBase: 20, + outgoingRate: 100, + }, + { + name: "positive inbound and outbound fee", + incomingBase: 20, + incomingRate: 100, + outgoingBase: 20, + outgoingRate: 100, + }, + { + name: "small negative inbound and outbound fee", + incomingBase: -10, + incomingRate: -50, + outgoingBase: 20, + outgoingRate: 100, + }, + { + name: "equal negative inbound and outbound fee", + incomingBase: -20, + incomingRate: -100, + outgoingBase: 20, + outgoingRate: 100, + }, + { + name: "large negative inbound and outbound fee", + incomingBase: -30, + incomingRate: -200, + outgoingBase: 20, + outgoingRate: 100, + }, + { + name: "order of PPM negative inbound and " + + "outbound fee (m=0)", + incomingBase: -30, + incomingRate: -1_000_000, + outgoingBase: 20, + outgoingRate: 100, + }, + { + name: "huge negative inbound and " + + "outbound fee (m<0)", + incomingBase: -30, + incomingRate: -2_000_000, + outgoingBase: 20, + outgoingRate: 100, + }, + } + + for _, tc := range tests { + tc := tc + + t.Run(tc.name, func(tt *testing.T) { + testInboundOutboundFee( + tt, outgoingAmt, tc.incomingBase, + tc.incomingRate, tc.outgoingBase, + tc.outgoingRate, + ) + }) + } +} + +// testInboundOutboundFee is a helper function that tests the outgoing and +// incoming amount relationship. +func testInboundOutboundFee(t *testing.T, outgoingAmt uint64, inBase, + inRate int32, outBase, outRate uint64) { + + debugStr := fmt.Sprintf( + "outAmt=%d, inBase=%d, inRate=%d, outBase=%d, outRate=%d", + outgoingAmt, inBase, inRate, outBase, outRate, + ) + + incomingEdge := &unifiedEdge{ + policy: &models.CachedEdgePolicy{}, + inboundFees: models.InboundFee{ + Base: inBase, + Rate: inRate, + }, + } + + outgoingEdge := &unifiedEdge{ + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: lnwire.MilliSatoshi( + outBase, + ), + FeeProportionalMillionths: lnwire.MilliSatoshi( + outRate, + ), + }, + } + + // We compute the incoming amount based on the outgoing amount, which + // mimicks the path finding process. + incomingAmt := incomingFromOutgoing( + lnwire.MilliSatoshi(outgoingAmt), incomingEdge, + outgoingEdge, + ) + + // We do the reverse and compute the outgoing amount based on the + // incoming amount. + outgoingAmtNew := outgoingFromIncoming( + incomingAmt, incomingEdge, outgoingEdge, + ) + + // We require that the incoming amount is always larger than or equal to + // the outgoing amount, because total fees (=incoming-outgoing) should + // not become negative. + require.GreaterOrEqual( + t, int64(incomingAmt), int64(outgoingAmtNew), debugStr, + "expected incomingAmt >= outgoingAmtNew", + ) + + // We check that up to rounding the amounts are equal. + require.InDelta( + t, int64(outgoingAmt), int64(outgoingAmtNew), 1.0, debugStr, + "expected |outgoingAmt - outgoingAmtNew | <= 1", + ) + + // If we round, the computed outgoing amount should be larger than the + // exact outgoing amount, to not hit any min HTLC limits. + require.GreaterOrEqual( + t, int64(outgoingAmtNew), int64(outgoingAmt), debugStr, + "expected outgoingAmtNew >= outgoingAmt", + ) +} + +// FuzzInboundOutbound tests the incoming and outgoing amount calculation +// functions with fuzzing. +func FuzzInboundOutboundFee(f *testing.F) { + f.Add(uint64(0), int32(0), int32(0), uint64(0), uint64(0)) + + f.Fuzz(testInboundOutboundFee) +} + // TestSendToRouteSkipTempErrSuccess validates a successful payment send. func TestSendToRouteSkipTempErrSuccess(t *testing.T) { t.Parallel() From 8b32e3e78570d6c533a4bae6907465177486a2f2 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Tue, 30 Jul 2024 14:17:47 +0200 Subject: [PATCH 267/343] routing: add inbound fee support for BuildRoute --- channeldb/graph_test.go | 7 +- channeldb/models/cached_edge_policy.go | 11 --- channeldb/models/channel_edge_policy.go | 16 ----- routing/router.go | 21 +++--- routing/router_test.go | 93 ++++++++++++++++++++++++- 5 files changed, 105 insertions(+), 43 deletions(-) diff --git a/channeldb/graph_test.go b/channeldb/graph_test.go index 2568512385..00e30d5b24 100644 --- a/channeldb/graph_test.go +++ b/channeldb/graph_test.go @@ -3688,7 +3688,7 @@ func TestLightningNodeSigVerification(t *testing.T) { } } -// TestComputeFee tests fee calculation based on both in- and outgoing amt. +// TestComputeFee tests fee calculation based on the outgoing amt. func TestComputeFee(t *testing.T) { var ( policy = models.ChannelEdgePolicy{ @@ -3703,11 +3703,6 @@ func TestComputeFee(t *testing.T) { if fee != expectedFee { t.Fatalf("expected fee %v, got %v", expectedFee, fee) } - - fwdFee := policy.ComputeFeeFromIncoming(outgoingAmt + fee) - if fwdFee != expectedFee { - t.Fatalf("expected fee %v, but got %v", fee, fwdFee) - } } // TestBatchedAddChannelEdge asserts that BatchedAddChannelEdge properly diff --git a/channeldb/models/cached_edge_policy.go b/channeldb/models/cached_edge_policy.go index 25bef567ec..b770ec1fbe 100644 --- a/channeldb/models/cached_edge_policy.go +++ b/channeldb/models/cached_edge_policy.go @@ -71,17 +71,6 @@ func (c *CachedEdgePolicy) ComputeFee( return c.FeeBaseMSat + (amt*c.FeeProportionalMillionths)/feeRateParts } -// ComputeFeeFromIncoming computes the fee to forward an HTLC given the incoming -// amount. -func (c *CachedEdgePolicy) ComputeFeeFromIncoming( - incomingAmt lnwire.MilliSatoshi) lnwire.MilliSatoshi { - - return incomingAmt - divideCeil( - feeRateParts*(incomingAmt-c.FeeBaseMSat), - feeRateParts+c.FeeProportionalMillionths, - ) -} - // NewCachedPolicy turns a full policy into a minimal one that can be cached. func NewCachedPolicy(policy *ChannelEdgePolicy) *CachedEdgePolicy { return &CachedEdgePolicy{ diff --git a/channeldb/models/channel_edge_policy.go b/channeldb/models/channel_edge_policy.go index 93902d31f2..322ce3cd09 100644 --- a/channeldb/models/channel_edge_policy.go +++ b/channeldb/models/channel_edge_policy.go @@ -113,19 +113,3 @@ func (c *ChannelEdgePolicy) ComputeFee( return c.FeeBaseMSat + (amt*c.FeeProportionalMillionths)/feeRateParts } - -// divideCeil divides dividend by factor and rounds the result up. -func divideCeil(dividend, factor lnwire.MilliSatoshi) lnwire.MilliSatoshi { - return (dividend + factor - 1) / factor -} - -// ComputeFeeFromIncoming computes the fee to forward an HTLC given the incoming -// amount. -func (c *ChannelEdgePolicy) ComputeFeeFromIncoming( - incomingAmt lnwire.MilliSatoshi) lnwire.MilliSatoshi { - - return incomingAmt - divideCeil( - feeRateParts*(incomingAmt-c.FeeBaseMSat), - feeRateParts+c.FeeProportionalMillionths, - ) -} diff --git a/routing/router.go b/routing/router.go index d67fc2ebdb..83cd3c734f 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1518,11 +1518,11 @@ func getEdgeUnifiers(source route.Vertex, hops []route.Vertex, } // Build unified policies for this hop based on the channels - // known in the graph. Don't use inbound fees. - // - // TODO: Add inbound fees support for BuildRoute. + // known in the graph. Inbound fees are only active if the edge + // is not the last hop. + isExitHop := i == len(hops)-1 u := newNodeEdgeUnifier( - source, toNode, false, outgoingChans, + source, toNode, !isExitHop, outgoingChans, ) err := u.addGraphPolicies(graph) @@ -1617,7 +1617,13 @@ func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, return nil, 0, ErrNoChannel{position: i} } - fee := outboundFee + // The fee paid to B depends on the current hop's inbound fee + // policy and on the outbound fee for the next hop as any + // inbound fee discount is capped by the outbound fee such that + // the total fee for B can't become negative. + inboundFee := calcCappedInboundFee(edge, netAmount, outboundFee) + + fee := lnwire.MilliSatoshi(int64(outboundFee) + inboundFee) log.Tracef("Select channel %v at position %v", edge.policy.ChannelID, i) @@ -1655,12 +1661,11 @@ func receiverAmtForwardPass(runningAmt lnwire.MilliSatoshi, // been increased in the backward pass, fees need to be recalculated and // amount ranges re-checked. for i := 1; i < len(unifiedEdges); i++ { + inEdge := unifiedEdges[i-1] outEdge := unifiedEdges[i] // Decrease the amount to send while going forward. - runningAmt -= outEdge.policy.ComputeFeeFromIncoming( - runningAmt, - ) + runningAmt = outgoingFromIncoming(runningAmt, inEdge, outEdge) if !outEdge.amtInRange(runningAmt) { log.Errorf("Amount %v not in range for hop index %v", diff --git a/routing/router_test.go b/routing/router_test.go index ec095d7871..a766325a51 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -1588,6 +1588,28 @@ func TestBuildRoute(t *testing.T) { MaxHTLC: lnwire.MilliSatoshi(20100), Features: paymentAddrFeatures, }, 8), + + // Create a route with inbound fees. + symmetricTestChannel("a", "d", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 20000, + MinHTLC: lnwire.NewMSatFromSatoshis(5), + MaxHTLC: lnwire.NewMSatFromSatoshis( + chanCapSat, + ), + InboundFeeBaseMsat: -1000, + InboundFeeRate: -1000, + }, 9), + symmetricTestChannel("d", "f", chanCapSat, &testChannelPolicy{ + Expiry: 144, + FeeRate: 60000, + MinHTLC: lnwire.NewMSatFromSatoshis(20), + MaxHTLC: lnwire.NewMSatFromSatoshis(120), + Features: paymentAddrFeatures, + // The inbound fee will not be active for the last hop. + InboundFeeBaseMsat: 2000, + InboundFeeRate: 2000, + }, 10), } testGraph, err := createTestGraphFromChannels( @@ -1686,6 +1708,30 @@ func TestBuildRoute(t *testing.T) { require.Equal(t, lnwire.MilliSatoshi(21200), rt.TotalAmount) require.Equal(t, lnwire.MilliSatoshi(20000), rt.Hops[1].AmtToForward) + // Check that we compute a correct forwarding amount that involves + // inbound fees. We expect a similar amount as for the above case of + // b->c, but reduced by the inbound discount on the channel a->d. + // We get 106000 - 1000 (base in) - 0.001 * 106000 (rate in) = 104894. + hops = []route.Vertex{ctx.aliases["d"], ctx.aliases["f"]} + amt = lnwire.NewMSatFromSatoshis(100) + rt, err = ctx.router.BuildRoute(&amt, hops, nil, 40, &payAddr) + require.NoError(t, err) + checkHops(rt, []uint64{9, 10}, payAddr) + require.EqualValues(t, 104894, rt.TotalAmount) + + // Also check the min amount with inbound fees. The min amount bumps + // this to 20000 msat for the last hop. The outbound fee is 1200 msat, + // the inbound fee is -1021.2 msat (rounded down). This results in a + // total fee of 179 msat, giving a sender amount of 20179 msat. The + // determined receiver amount however reduces this to 20001 msat again + // due to rounding. This would not be compatible with the sender amount + // of 20179 msat, which results in underpayment of 1 msat in fee. There + // is a third pass through newRoute in which this gets corrected to end + hops = []route.Vertex{ctx.aliases["d"], ctx.aliases["f"]} + rt, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + require.NoError(t, err) + checkHops(rt, []uint64{9, 10}, payAddr) + require.EqualValues(t, 20180, rt.TotalAmount, "%v", rt.TotalAmount) } // TestReceiverAmtForwardPass tests that the forward pass returns the expected @@ -1831,6 +1877,9 @@ func TestSenderAmtBackwardPass(t *testing.T) { policy: &models.CachedEdgePolicy{ FeeBaseMSat: 112, }, + inboundFees: models.InboundFee{ + Base: 111, + }, capacity: capacity, }, }, @@ -1841,6 +1890,9 @@ func TestSenderAmtBackwardPass(t *testing.T) { policy: &models.CachedEdgePolicy{ FeeBaseMSat: 222, }, + inboundFees: models.InboundFee{ + Base: 222, + }, capacity: capacity, }, }, @@ -1852,6 +1904,12 @@ func TestSenderAmtBackwardPass(t *testing.T) { FeeBaseMSat: 333, MinHTLC: minHTLC, }, + // In pathfinding, inbound fees are not + // populated for exit hops because the + // newNodeEdgeUnifier enforces this. + // This is important as otherwise we + // would not fail the min HTLC check in + // getEdge. capacity: capacity, }, }, @@ -1870,20 +1928,51 @@ func TestSenderAmtBackwardPass(t *testing.T) { edgeUnifiers, true, 1, &bandwidthHints, ) require.NoError(t, err) - require.Equal(t, minHTLC+333+222, senderAmount) + require.Equal(t, minHTLC+333+222+222+111, senderAmount) // Do a search for a specific amount. unifiedEdges, senderAmount, err = senderAmtBackwardPass( edgeUnifiers, false, testReceiverAmt, &bandwidthHints, ) require.NoError(t, err) - require.Equal(t, testReceiverAmt+333+222, senderAmount) + require.Equal(t, testReceiverAmt+333+222+222+111, senderAmount) // Check that we arrive at the same receiver amount by doing a forward // pass. receiverAmt, err := receiverAmtForwardPass(senderAmount, unifiedEdges) require.NoError(t, err) require.Equal(t, testReceiverAmt, receiverAmt) + + // Insert a policy that leads to rounding. + edgeUnifiers[1] = &edgeUnifier{ + edges: []*unifiedEdge{ + { + policy: &models.CachedEdgePolicy{ + FeeBaseMSat: 20, + FeeProportionalMillionths: 100, + }, + inboundFees: models.InboundFee{ + Base: -10, + Rate: -50, + }, + capacity: capacity, + }, + }, + } + + unifiedEdges, senderAmount, err = senderAmtBackwardPass( + edgeUnifiers, false, testReceiverAmt, &bandwidthHints, + ) + require.NoError(t, err) + + // For this route, we have some rounding errors, so we can't expect the + // exact amount, but it should be higher than the exact amount, to not + // end up below a min HTLC constraint. + receiverAmt, err = receiverAmtForwardPass(senderAmount, unifiedEdges) + require.NoError(t, err) + require.NotEqual(t, testReceiverAmt, receiverAmt) + require.InDelta(t, int64(testReceiverAmt), int64(receiverAmt), 1) + require.GreaterOrEqual(t, int64(receiverAmt), int64(testReceiverAmt)) } // TestInboundOutbound tests the functions that computes the incoming and From 452db01ad7716b2a97ec8bd5e5496b00c47d3dd7 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Wed, 31 Jul 2024 14:32:48 +0200 Subject: [PATCH 268/343] lnrpc+routing: convert amt pointer to fn.Option --- lnrpc/routerrpc/router_server.go | 5 ++- routing/router.go | 73 +++++++++++++++----------------- routing/router_test.go | 31 ++++++++------ 3 files changed, 55 insertions(+), 54 deletions(-) diff --git a/lnrpc/routerrpc/router_server.go b/lnrpc/routerrpc/router_server.go index 85b6b2b2c4..0391fe8256 100644 --- a/lnrpc/routerrpc/router_server.go +++ b/lnrpc/routerrpc/router_server.go @@ -15,6 +15,7 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/grpc-ecosystem/grpc-gateway/v2/runtime" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/lnrpc" "github.com/lightningnetwork/lnd/lnrpc/invoicesrpc" "github.com/lightningnetwork/lnd/lntypes" @@ -1411,10 +1412,10 @@ func (s *Server) BuildRoute(_ context.Context, } // Prepare BuildRoute call parameters from rpc request. - var amt *lnwire.MilliSatoshi + var amt fn.Option[lnwire.MilliSatoshi] if req.AmtMsat != 0 { rpcAmt := lnwire.MilliSatoshi(req.AmtMsat) - amt = &rpcAmt + amt = fn.Some(rpcAmt) } var outgoingChan *uint64 diff --git a/routing/router.go b/routing/router.go index 83cd3c734f..dbbec74c4a 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1406,7 +1406,7 @@ func (e ErrNoChannel) Error() string { // BuildRoute returns a fully specified route based on a list of pubkeys. If // amount is nil, the minimum routable amount is used. To force a specific // outgoing channel, use the outgoingChan parameter. -func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, +func (r *ChannelRouter) BuildRoute(amt fn.Option[lnwire.MilliSatoshi], hops []route.Vertex, outgoingChan *uint64, finalCltvDelta int32, payAddr *[32]byte) (*route.Route, error) { @@ -1439,43 +1439,36 @@ func (r *ChannelRouter) BuildRoute(amt *lnwire.MilliSatoshi, return nil, err } - // If no amount is specified, we need to build a route for the minimum - // amount that this route can carry. - useMinAmt := amt == nil - var ( receiverAmt lnwire.MilliSatoshi + senderAmt lnwire.MilliSatoshi pathEdges []*unifiedEdge ) - if useMinAmt { - // For minimum amount routes, aim to deliver at least 1 msat to - // the destination. There are nodes in the wild that have a - // min_htlc channel policy of zero, which could lead to a zero - // amount payment being made. - var senderAmt lnwire.MilliSatoshi - pathEdges, senderAmt, err = senderAmtBackwardPass( - unifiers, useMinAmt, 1, bandwidthHints, - ) - if err != nil { - return nil, err - } - - receiverAmt, err = receiverAmtForwardPass(senderAmt, pathEdges) - if err != nil { - return nil, err - } - } else { - // If an amount is specified, we need to build a route that - // delivers exactly this amount to the final destination. - pathEdges, _, err = senderAmtBackwardPass( - unifiers, useMinAmt, *amt, bandwidthHints, - ) - if err != nil { - return nil, err - } + // We determine the edges compatible with the requested amount, as well + // as the amount to send, which can be used to determine the final + // receiver amount, if a minimal amount was requested. + pathEdges, senderAmt, err = senderAmtBackwardPass( + unifiers, amt, bandwidthHints, + ) + if err != nil { + return nil, err + } - receiverAmt = *amt + // For the minimal amount search, we need to do a forward pass to find a + // larger receiver amount due to possible min HTLC bumps, otherwise we + // just use the requested amount. + receiverAmt, err = fn.ElimOption( + amt, + func() fn.Result[lnwire.MilliSatoshi] { + return fn.NewResult( + receiverAmtForwardPass(senderAmt, pathEdges), + ) + }, + fn.Ok[lnwire.MilliSatoshi], + ).Unpack() + if err != nil { + return nil, err } // Fetch the current block height outside the routing transaction, to @@ -1545,9 +1538,9 @@ func getEdgeUnifiers(source route.Vertex, hops []route.Vertex, // senderAmtBackwardPass returns a list of unified edges for the given route and // determines the amount that should be sent to fulfill min HTLC requirements. -// The minimal sender amount can be searched for by activating useMinAmt. -func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, - receiverAmt lnwire.MilliSatoshi, +// The minimal sender amount can be searched for by using amt=None. +func senderAmtBackwardPass(unifiers []*edgeUnifier, + amt fn.Option[lnwire.MilliSatoshi], bandwidthHints bandwidthHints) ([]*unifiedEdge, lnwire.MilliSatoshi, error) { @@ -1563,11 +1556,15 @@ func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, // incomingAmt tracks the amount that is forwarded on the edges of a // route. The last hop only forwards the amount that the receiver should // receive, as there are no fees paid to the last node. - incomingAmt := receiverAmt + // For minimum amount routes, aim to deliver at least 1 msat to + // the destination. There are nodes in the wild that have a + // min_htlc channel policy of zero, which could lead to a zero + // amount payment being made. + incomingAmt := amt.UnwrapOr(1) // If using min amt, increase the amount if needed to fulfill min HTLC // requirements. - if useMinAmt { + if amt.IsNone() { min := edgeUnifier.minAmt() if min > incomingAmt { incomingAmt = min @@ -1591,7 +1588,7 @@ func senderAmtBackwardPass(unifiers []*edgeUnifier, useMinAmt bool, // If using min amt, increase the amount if needed to fulfill // min HTLC requirements. - if useMinAmt { + if amt.IsNone() { min := edgeUnifier.minAmt() if min > incomingAmt { incomingAmt = min diff --git a/routing/router_test.go b/routing/router_test.go index a766325a51..9a394a9fd7 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -24,6 +24,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/htlcswitch" "github.com/lightningnetwork/lnd/input" @@ -1641,14 +1642,16 @@ func TestBuildRoute(t *testing.T) { _, err = rand.Read(payAddr[:]) require.NoError(t, err) + noAmt := fn.None[lnwire.MilliSatoshi]() + // Test that we can't build a route when no hops are given. hops = []route.Vertex{} - _, err = ctx.router.BuildRoute(nil, hops, nil, 40, nil) + _, err = ctx.router.BuildRoute(noAmt, hops, nil, 40, nil) require.Error(t, err) // Create hop list for an unknown destination. hops := []route.Vertex{ctx.aliases["b"], ctx.aliases["y"]} - _, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + _, err = ctx.router.BuildRoute(noAmt, hops, nil, 40, &payAddr) noChanErr := ErrNoChannel{} require.ErrorAs(t, err, &noChanErr) require.Equal(t, 1, noChanErr.position) @@ -1658,7 +1661,7 @@ func TestBuildRoute(t *testing.T) { amt := lnwire.NewMSatFromSatoshis(100) // Build the route for the given amount. - rt, err := ctx.router.BuildRoute(&amt, hops, nil, 40, &payAddr) + rt, err := ctx.router.BuildRoute(fn.Some(amt), hops, nil, 40, &payAddr) require.NoError(t, err) // Check that we get the expected route back. The total amount should be @@ -1668,7 +1671,7 @@ func TestBuildRoute(t *testing.T) { require.Equal(t, lnwire.MilliSatoshi(106000), rt.TotalAmount) // Build the route for the minimum amount. - rt, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + rt, err = ctx.router.BuildRoute(noAmt, hops, nil, 40, &payAddr) require.NoError(t, err) // Check that we get the expected route back. The minimum that we can @@ -1684,7 +1687,7 @@ func TestBuildRoute(t *testing.T) { // Test a route that contains incompatible channel htlc constraints. // There is no amount that can pass through both channel 5 and 4. hops = []route.Vertex{ctx.aliases["e"], ctx.aliases["c"]} - _, err = ctx.router.BuildRoute(nil, hops, nil, 40, nil) + _, err = ctx.router.BuildRoute(noAmt, hops, nil, 40, nil) require.Error(t, err) noChanErr = ErrNoChannel{} require.ErrorAs(t, err, &noChanErr) @@ -1702,7 +1705,7 @@ func TestBuildRoute(t *testing.T) { // amount that could be delivered to the receiver of 21819 msat, using // policy of channel 3. hops = []route.Vertex{ctx.aliases["b"], ctx.aliases["z"]} - rt, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + rt, err = ctx.router.BuildRoute(noAmt, hops, nil, 40, &payAddr) require.NoError(t, err) checkHops(rt, []uint64{1, 8}, payAddr) require.Equal(t, lnwire.MilliSatoshi(21200), rt.TotalAmount) @@ -1714,7 +1717,7 @@ func TestBuildRoute(t *testing.T) { // We get 106000 - 1000 (base in) - 0.001 * 106000 (rate in) = 104894. hops = []route.Vertex{ctx.aliases["d"], ctx.aliases["f"]} amt = lnwire.NewMSatFromSatoshis(100) - rt, err = ctx.router.BuildRoute(&amt, hops, nil, 40, &payAddr) + rt, err = ctx.router.BuildRoute(fn.Some(amt), hops, nil, 40, &payAddr) require.NoError(t, err) checkHops(rt, []uint64{9, 10}, payAddr) require.EqualValues(t, 104894, rt.TotalAmount) @@ -1728,7 +1731,7 @@ func TestBuildRoute(t *testing.T) { // of 20179 msat, which results in underpayment of 1 msat in fee. There // is a third pass through newRoute in which this gets corrected to end hops = []route.Vertex{ctx.aliases["d"], ctx.aliases["f"]} - rt, err = ctx.router.BuildRoute(nil, hops, nil, 40, &payAddr) + rt, err = ctx.router.BuildRoute(noAmt, hops, nil, 40, &payAddr) require.NoError(t, err) checkHops(rt, []uint64{9, 10}, payAddr) require.EqualValues(t, 20180, rt.TotalAmount, "%v", rt.TotalAmount) @@ -1919,20 +1922,20 @@ func TestSenderAmtBackwardPass(t *testing.T) { // A search for an amount that is below the minimum HTLC amount should // fail. _, _, err := senderAmtBackwardPass( - edgeUnifiers, false, minHTLC-1, &bandwidthHints, + edgeUnifiers, fn.Some(minHTLC-1), &bandwidthHints, ) require.Error(t, err) // Do a min amount search. - unifiedEdges, senderAmount, err := senderAmtBackwardPass( - edgeUnifiers, true, 1, &bandwidthHints, + _, senderAmount, err := senderAmtBackwardPass( + edgeUnifiers, fn.None[lnwire.MilliSatoshi](), &bandwidthHints, ) require.NoError(t, err) require.Equal(t, minHTLC+333+222+222+111, senderAmount) // Do a search for a specific amount. - unifiedEdges, senderAmount, err = senderAmtBackwardPass( - edgeUnifiers, false, testReceiverAmt, &bandwidthHints, + unifiedEdges, senderAmount, err := senderAmtBackwardPass( + edgeUnifiers, fn.Some(testReceiverAmt), &bandwidthHints, ) require.NoError(t, err) require.Equal(t, testReceiverAmt+333+222+222+111, senderAmount) @@ -1961,7 +1964,7 @@ func TestSenderAmtBackwardPass(t *testing.T) { } unifiedEdges, senderAmount, err = senderAmtBackwardPass( - edgeUnifiers, false, testReceiverAmt, &bandwidthHints, + edgeUnifiers, fn.Some(testReceiverAmt), &bandwidthHints, ) require.NoError(t, err) From b0e1a722c6aa6a9b0bf17a91bf4505b4d9a4aff5 Mon Sep 17 00:00:00 2001 From: bitromortac Date: Wed, 7 Aug 2024 11:34:30 +0200 Subject: [PATCH 269/343] routerrpc: add check for empty hops --- lnrpc/routerrpc/router_server.go | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lnrpc/routerrpc/router_server.go b/lnrpc/routerrpc/router_server.go index 0391fe8256..a88bb4d0cf 100644 --- a/lnrpc/routerrpc/router_server.go +++ b/lnrpc/routerrpc/router_server.go @@ -1401,6 +1401,10 @@ func (s *Server) trackPaymentStream(context context.Context, func (s *Server) BuildRoute(_ context.Context, req *BuildRouteRequest) (*BuildRouteResponse, error) { + if len(req.HopPubkeys) == 0 { + return nil, errors.New("no hops specified") + } + // Unmarshall hop list. hops := make([]route.Vertex, len(req.HopPubkeys)) for i, pubkeyBytes := range req.HopPubkeys { From f622b43b5dd21dedff7084d7b4caefb09664467e Mon Sep 17 00:00:00 2001 From: bitromortac Date: Tue, 2 Jul 2024 12:25:18 +0200 Subject: [PATCH 270/343] docs: add to release notes --- docs/release-notes/release-notes-0.18.3.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 4cb59b76d9..de34239b69 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -84,6 +84,9 @@ * [`ChanInfoRequest`](https://github.com/lightningnetwork/lnd/pull/8813) adds support for channel points. +* [BuildRoute](https://github.com/lightningnetwork/lnd/pull/8886) now supports + inbound fees. + ## lncli Updates * [`importmc`](https://github.com/lightningnetwork/lnd/pull/8779) now accepts From 468ca87499f11676c35f3e207a81c4de803d29f7 Mon Sep 17 00:00:00 2001 From: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> Date: Wed, 28 Feb 2024 07:33:33 +0100 Subject: [PATCH 271/343] lnrpc: Add `Outpoint` field in `SendCoinsRequest` Signed-off-by: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> --- lnrpc/lightning.pb.go | 5972 +++++++++++++++++----------------- lnrpc/lightning.proto | 8 +- lnrpc/lightning.swagger.json | 9 +- 3 files changed, 3005 insertions(+), 2984 deletions(-) diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index 8a7a14ee13..1b114a37ad 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -3577,9 +3577,8 @@ type SendCoinsRequest struct { // // Deprecated: Marked as deprecated in lightning.proto. SatPerByte int64 `protobuf:"varint,5,opt,name=sat_per_byte,json=satPerByte,proto3" json:"sat_per_byte,omitempty"` - // If set, then the amount field will be ignored, and lnd will attempt to - // send all the coins under control of the internal wallet to the specified - // address. + // If set, the amount field should be unset. It indicates lnd will send all + // wallet coins or all selected coins to the specified address. SendAll bool `protobuf:"varint,6,opt,name=send_all,json=sendAll,proto3" json:"send_all,omitempty"` // An optional label for the transaction, limited to 500 characters. Label string `protobuf:"bytes,7,opt,name=label,proto3" json:"label,omitempty"` @@ -3590,6 +3589,8 @@ type SendCoinsRequest struct { SpendUnconfirmed bool `protobuf:"varint,9,opt,name=spend_unconfirmed,json=spendUnconfirmed,proto3" json:"spend_unconfirmed,omitempty"` // The strategy to use for selecting coins. CoinSelectionStrategy CoinSelectionStrategy `protobuf:"varint,10,opt,name=coin_selection_strategy,json=coinSelectionStrategy,proto3,enum=lnrpc.CoinSelectionStrategy" json:"coin_selection_strategy,omitempty"` + // A list of selected outpoints as inputs for the transaction. + Outpoints []*OutPoint `protobuf:"bytes,11,rep,name=outpoints,proto3" json:"outpoints,omitempty"` } func (x *SendCoinsRequest) Reset() { @@ -3695,6 +3696,13 @@ func (x *SendCoinsRequest) GetCoinSelectionStrategy() CoinSelectionStrategy { return CoinSelectionStrategy_STRATEGY_USE_GLOBAL_CONFIG } +func (x *SendCoinsRequest) GetOutpoints() []*OutPoint { + if x != nil { + return x.Outpoints + } + return nil +} + type SendCoinsResponse struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -18408,7 +18416,7 @@ var file_lightning_proto_rawDesc = []byte{ 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x22, 0x26, 0x0a, 0x10, 0x53, 0x65, 0x6e, 0x64, 0x4d, 0x61, 0x6e, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 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222, // 14: lnrpc.SendManyRequest.AddrToAmount:type_name -> lnrpc.SendManyRequest.AddrToAmountEntry 1, // 15: lnrpc.SendManyRequest.coin_selection_strategy:type_name -> lnrpc.CoinSelectionStrategy 1, // 16: lnrpc.SendCoinsRequest.coin_selection_strategy:type_name -> lnrpc.CoinSelectionStrategy - 27, // 17: lnrpc.ListUnspentResponse.utxos:type_name -> lnrpc.Utxo - 2, // 18: lnrpc.NewAddressRequest.type:type_name -> lnrpc.AddressType - 41, // 19: lnrpc.ConnectPeerRequest.addr:type_name -> lnrpc.LightningAddress - 60, // 20: lnrpc.Channel.pending_htlcs:type_name -> lnrpc.HTLC - 3, // 21: lnrpc.Channel.commitment_type:type_name -> lnrpc.CommitmentType - 61, // 22: lnrpc.Channel.local_constraints:type_name -> lnrpc.ChannelConstraints - 61, // 23: lnrpc.Channel.remote_constraints:type_name -> lnrpc.ChannelConstraints - 62, // 24: lnrpc.ListChannelsResponse.channels:type_name -> lnrpc.Channel - 65, // 25: lnrpc.ListAliasesResponse.alias_maps:type_name -> lnrpc.AliasMap - 12, // 26: lnrpc.ChannelCloseSummary.close_type:type_name -> lnrpc.ChannelCloseSummary.ClosureType - 4, // 27: lnrpc.ChannelCloseSummary.open_initiator:type_name -> lnrpc.Initiator - 4, // 28: lnrpc.ChannelCloseSummary.close_initiator:type_name -> lnrpc.Initiator - 69, // 29: lnrpc.ChannelCloseSummary.resolutions:type_name -> lnrpc.Resolution - 5, // 30: lnrpc.Resolution.resolution_type:type_name -> lnrpc.ResolutionType - 6, // 31: lnrpc.Resolution.outcome:type_name -> lnrpc.ResolutionOutcome - 39, // 32: lnrpc.Resolution.outpoint:type_name -> lnrpc.OutPoint - 68, // 33: lnrpc.ClosedChannelsResponse.channels:type_name -> lnrpc.ChannelCloseSummary - 13, // 34: lnrpc.Peer.sync_type:type_name -> lnrpc.Peer.SyncType - 223, // 35: lnrpc.Peer.features:type_name -> lnrpc.Peer.FeaturesEntry - 73, // 36: lnrpc.Peer.errors:type_name -> lnrpc.TimestampedError - 72, // 37: lnrpc.ListPeersResponse.peers:type_name -> lnrpc.Peer - 14, // 38: lnrpc.PeerEvent.type:type_name -> lnrpc.PeerEvent.EventType - 84, // 39: lnrpc.GetInfoResponse.chains:type_name -> lnrpc.Chain - 224, // 40: lnrpc.GetInfoResponse.features:type_name -> lnrpc.GetInfoResponse.FeaturesEntry - 225, // 41: lnrpc.GetDebugInfoResponse.config:type_name -> lnrpc.GetDebugInfoResponse.ConfigEntry - 38, // 42: lnrpc.ChannelOpenUpdate.channel_point:type_name -> lnrpc.ChannelPoint - 38, // 43: lnrpc.CloseChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint - 90, // 44: lnrpc.CloseStatusUpdate.close_pending:type_name -> lnrpc.PendingUpdate - 87, // 45: lnrpc.CloseStatusUpdate.chan_close:type_name -> lnrpc.ChannelCloseUpdate - 91, // 46: lnrpc.CloseStatusUpdate.close_instant:type_name -> lnrpc.InstantUpdate - 94, // 47: lnrpc.BatchOpenChannelRequest.channels:type_name -> lnrpc.BatchOpenChannel - 1, // 48: lnrpc.BatchOpenChannelRequest.coin_selection_strategy:type_name -> lnrpc.CoinSelectionStrategy - 3, // 49: lnrpc.BatchOpenChannel.commitment_type:type_name -> lnrpc.CommitmentType - 90, // 50: lnrpc.BatchOpenChannelResponse.pending_channels:type_name -> lnrpc.PendingUpdate - 102, // 51: lnrpc.OpenChannelRequest.funding_shim:type_name -> lnrpc.FundingShim - 3, // 52: lnrpc.OpenChannelRequest.commitment_type:type_name -> lnrpc.CommitmentType - 39, // 53: lnrpc.OpenChannelRequest.outpoints:type_name -> lnrpc.OutPoint - 90, // 54: lnrpc.OpenStatusUpdate.chan_pending:type_name -> lnrpc.PendingUpdate - 86, // 55: lnrpc.OpenStatusUpdate.chan_open:type_name -> lnrpc.ChannelOpenUpdate - 92, // 56: lnrpc.OpenStatusUpdate.psbt_fund:type_name -> lnrpc.ReadyForPsbtFunding - 98, // 57: lnrpc.KeyDescriptor.key_loc:type_name -> lnrpc.KeyLocator - 38, // 58: lnrpc.ChanPointShim.chan_point:type_name -> lnrpc.ChannelPoint - 99, // 59: lnrpc.ChanPointShim.local_key:type_name -> lnrpc.KeyDescriptor - 100, // 60: lnrpc.FundingShim.chan_point_shim:type_name -> lnrpc.ChanPointShim - 101, // 61: lnrpc.FundingShim.psbt_shim:type_name -> lnrpc.PsbtShim - 102, // 62: lnrpc.FundingTransitionMsg.shim_register:type_name -> lnrpc.FundingShim - 103, // 63: lnrpc.FundingTransitionMsg.shim_cancel:type_name -> lnrpc.FundingShimCancel - 104, // 64: lnrpc.FundingTransitionMsg.psbt_verify:type_name -> lnrpc.FundingPsbtVerify - 105, // 65: lnrpc.FundingTransitionMsg.psbt_finalize:type_name -> lnrpc.FundingPsbtFinalize - 227, // 66: lnrpc.PendingChannelsResponse.pending_open_channels:type_name -> lnrpc.PendingChannelsResponse.PendingOpenChannel - 230, // 67: lnrpc.PendingChannelsResponse.pending_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ClosedChannel - 231, // 68: lnrpc.PendingChannelsResponse.pending_force_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel - 228, // 69: lnrpc.PendingChannelsResponse.waiting_close_channels:type_name -> lnrpc.PendingChannelsResponse.WaitingCloseChannel - 62, // 70: lnrpc.ChannelEventUpdate.open_channel:type_name -> lnrpc.Channel - 68, // 71: lnrpc.ChannelEventUpdate.closed_channel:type_name -> lnrpc.ChannelCloseSummary - 38, // 72: lnrpc.ChannelEventUpdate.active_channel:type_name -> lnrpc.ChannelPoint - 38, // 73: lnrpc.ChannelEventUpdate.inactive_channel:type_name -> lnrpc.ChannelPoint - 90, // 74: lnrpc.ChannelEventUpdate.pending_open_channel:type_name -> lnrpc.PendingUpdate - 38, // 75: lnrpc.ChannelEventUpdate.fully_resolved_channel:type_name -> lnrpc.ChannelPoint - 16, // 76: lnrpc.ChannelEventUpdate.type:type_name -> lnrpc.ChannelEventUpdate.UpdateType - 232, // 77: lnrpc.WalletBalanceResponse.account_balance:type_name -> lnrpc.WalletBalanceResponse.AccountBalanceEntry - 116, // 78: lnrpc.ChannelBalanceResponse.local_balance:type_name -> lnrpc.Amount - 116, // 79: lnrpc.ChannelBalanceResponse.remote_balance:type_name -> lnrpc.Amount - 116, // 80: lnrpc.ChannelBalanceResponse.unsettled_local_balance:type_name -> lnrpc.Amount - 116, // 81: lnrpc.ChannelBalanceResponse.unsettled_remote_balance:type_name -> lnrpc.Amount - 116, // 82: lnrpc.ChannelBalanceResponse.pending_open_local_balance:type_name -> lnrpc.Amount - 116, // 83: lnrpc.ChannelBalanceResponse.pending_open_remote_balance:type_name -> lnrpc.Amount - 32, // 84: lnrpc.QueryRoutesRequest.fee_limit:type_name -> lnrpc.FeeLimit - 121, // 85: lnrpc.QueryRoutesRequest.ignored_edges:type_name -> lnrpc.EdgeLocator - 120, // 86: lnrpc.QueryRoutesRequest.ignored_pairs:type_name -> lnrpc.NodePair - 233, // 87: lnrpc.QueryRoutesRequest.dest_custom_records:type_name -> lnrpc.QueryRoutesRequest.DestCustomRecordsEntry - 150, // 88: lnrpc.QueryRoutesRequest.route_hints:type_name -> lnrpc.RouteHint - 151, // 89: lnrpc.QueryRoutesRequest.blinded_payment_paths:type_name -> lnrpc.BlindedPaymentPath - 10, // 90: lnrpc.QueryRoutesRequest.dest_features:type_name -> lnrpc.FeatureBit - 126, // 91: lnrpc.QueryRoutesResponse.routes:type_name -> lnrpc.Route - 124, // 92: lnrpc.Hop.mpp_record:type_name -> lnrpc.MPPRecord - 125, // 93: lnrpc.Hop.amp_record:type_name -> lnrpc.AMPRecord - 234, // 94: lnrpc.Hop.custom_records:type_name -> lnrpc.Hop.CustomRecordsEntry - 123, // 95: lnrpc.Route.hops:type_name -> lnrpc.Hop - 129, // 96: lnrpc.NodeInfo.node:type_name -> lnrpc.LightningNode - 132, // 97: lnrpc.NodeInfo.channels:type_name -> lnrpc.ChannelEdge - 130, // 98: lnrpc.LightningNode.addresses:type_name -> lnrpc.NodeAddress - 235, // 99: lnrpc.LightningNode.features:type_name -> lnrpc.LightningNode.FeaturesEntry - 236, // 100: lnrpc.LightningNode.custom_records:type_name -> lnrpc.LightningNode.CustomRecordsEntry - 237, // 101: lnrpc.RoutingPolicy.custom_records:type_name -> lnrpc.RoutingPolicy.CustomRecordsEntry - 131, // 102: lnrpc.ChannelEdge.node1_policy:type_name -> lnrpc.RoutingPolicy - 131, // 103: lnrpc.ChannelEdge.node2_policy:type_name -> lnrpc.RoutingPolicy - 238, // 104: lnrpc.ChannelEdge.custom_records:type_name -> lnrpc.ChannelEdge.CustomRecordsEntry - 129, // 105: lnrpc.ChannelGraph.nodes:type_name -> lnrpc.LightningNode - 132, // 106: lnrpc.ChannelGraph.edges:type_name -> lnrpc.ChannelEdge - 7, // 107: lnrpc.NodeMetricsRequest.types:type_name -> lnrpc.NodeMetricType - 239, // 108: lnrpc.NodeMetricsResponse.betweenness_centrality:type_name -> lnrpc.NodeMetricsResponse.BetweennessCentralityEntry - 145, // 109: lnrpc.GraphTopologyUpdate.node_updates:type_name -> lnrpc.NodeUpdate - 146, // 110: lnrpc.GraphTopologyUpdate.channel_updates:type_name -> lnrpc.ChannelEdgeUpdate - 147, // 111: lnrpc.GraphTopologyUpdate.closed_chans:type_name -> lnrpc.ClosedChannelUpdate - 130, // 112: lnrpc.NodeUpdate.node_addresses:type_name -> lnrpc.NodeAddress - 240, // 113: lnrpc.NodeUpdate.features:type_name -> lnrpc.NodeUpdate.FeaturesEntry - 38, // 114: lnrpc.ChannelEdgeUpdate.chan_point:type_name -> lnrpc.ChannelPoint - 131, // 115: lnrpc.ChannelEdgeUpdate.routing_policy:type_name -> lnrpc.RoutingPolicy - 38, // 116: lnrpc.ClosedChannelUpdate.chan_point:type_name -> lnrpc.ChannelPoint - 148, // 117: lnrpc.RouteHint.hop_hints:type_name -> lnrpc.HopHint - 152, // 118: lnrpc.BlindedPaymentPath.blinded_path:type_name -> lnrpc.BlindedPath - 10, // 119: lnrpc.BlindedPaymentPath.features:type_name -> lnrpc.FeatureBit - 153, // 120: lnrpc.BlindedPath.blinded_hops:type_name -> lnrpc.BlindedHop - 8, // 121: lnrpc.AMPInvoiceState.state:type_name -> lnrpc.InvoiceHTLCState - 150, // 122: lnrpc.Invoice.route_hints:type_name -> lnrpc.RouteHint - 17, // 123: lnrpc.Invoice.state:type_name -> lnrpc.Invoice.InvoiceState - 156, // 124: lnrpc.Invoice.htlcs:type_name -> lnrpc.InvoiceHTLC - 241, // 125: lnrpc.Invoice.features:type_name -> lnrpc.Invoice.FeaturesEntry - 242, // 126: lnrpc.Invoice.amp_invoice_state:type_name -> lnrpc.Invoice.AmpInvoiceStateEntry - 8, // 127: lnrpc.InvoiceHTLC.state:type_name -> lnrpc.InvoiceHTLCState - 243, // 128: lnrpc.InvoiceHTLC.custom_records:type_name -> lnrpc.InvoiceHTLC.CustomRecordsEntry - 157, // 129: lnrpc.InvoiceHTLC.amp:type_name -> lnrpc.AMP - 155, // 130: lnrpc.ListInvoiceResponse.invoices:type_name -> lnrpc.Invoice - 18, // 131: lnrpc.Payment.status:type_name -> lnrpc.Payment.PaymentStatus - 164, // 132: lnrpc.Payment.htlcs:type_name -> lnrpc.HTLCAttempt - 9, // 133: lnrpc.Payment.failure_reason:type_name -> lnrpc.PaymentFailureReason - 19, // 134: lnrpc.HTLCAttempt.status:type_name -> lnrpc.HTLCAttempt.HTLCStatus - 126, // 135: lnrpc.HTLCAttempt.route:type_name -> lnrpc.Route - 208, // 136: lnrpc.HTLCAttempt.failure:type_name -> lnrpc.Failure - 163, // 137: lnrpc.ListPaymentsResponse.payments:type_name -> lnrpc.Payment - 38, // 138: lnrpc.AbandonChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint - 150, // 139: lnrpc.PayReq.route_hints:type_name -> lnrpc.RouteHint - 244, // 140: lnrpc.PayReq.features:type_name -> lnrpc.PayReq.FeaturesEntry - 151, // 141: lnrpc.PayReq.blinded_paths:type_name -> lnrpc.BlindedPaymentPath - 179, // 142: lnrpc.FeeReportResponse.channel_fees:type_name -> lnrpc.ChannelFeeReport - 38, // 143: lnrpc.PolicyUpdateRequest.chan_point:type_name -> lnrpc.ChannelPoint - 181, // 144: lnrpc.PolicyUpdateRequest.inbound_fee:type_name -> lnrpc.InboundFee - 39, // 145: lnrpc.FailedUpdate.outpoint:type_name -> lnrpc.OutPoint - 11, // 146: lnrpc.FailedUpdate.reason:type_name -> lnrpc.UpdateFailure - 183, // 147: lnrpc.PolicyUpdateResponse.failed_updates:type_name -> lnrpc.FailedUpdate - 186, // 148: lnrpc.ForwardingHistoryResponse.forwarding_events:type_name -> lnrpc.ForwardingEvent - 38, // 149: lnrpc.ExportChannelBackupRequest.chan_point:type_name -> lnrpc.ChannelPoint - 38, // 150: lnrpc.ChannelBackup.chan_point:type_name -> lnrpc.ChannelPoint - 38, // 151: lnrpc.MultiChanBackup.chan_points:type_name -> lnrpc.ChannelPoint - 193, // 152: lnrpc.ChanBackupSnapshot.single_chan_backups:type_name -> lnrpc.ChannelBackups - 190, // 153: lnrpc.ChanBackupSnapshot.multi_chan_backup:type_name -> lnrpc.MultiChanBackup - 189, // 154: lnrpc.ChannelBackups.chan_backups:type_name -> lnrpc.ChannelBackup - 193, // 155: lnrpc.RestoreChanBackupRequest.chan_backups:type_name -> lnrpc.ChannelBackups - 198, // 156: lnrpc.BakeMacaroonRequest.permissions:type_name -> lnrpc.MacaroonPermission - 198, // 157: lnrpc.MacaroonPermissionList.permissions:type_name -> lnrpc.MacaroonPermission - 245, // 158: lnrpc.ListPermissionsResponse.method_permissions:type_name -> lnrpc.ListPermissionsResponse.MethodPermissionsEntry - 20, // 159: lnrpc.Failure.code:type_name -> lnrpc.Failure.FailureCode - 209, // 160: lnrpc.Failure.channel_update:type_name -> lnrpc.ChannelUpdate - 211, // 161: lnrpc.MacaroonId.ops:type_name -> lnrpc.Op - 198, // 162: lnrpc.CheckMacPermRequest.permissions:type_name -> lnrpc.MacaroonPermission - 215, // 163: lnrpc.RPCMiddlewareRequest.stream_auth:type_name -> lnrpc.StreamAuth - 216, // 164: lnrpc.RPCMiddlewareRequest.request:type_name -> lnrpc.RPCMessage - 216, // 165: lnrpc.RPCMiddlewareRequest.response:type_name -> lnrpc.RPCMessage - 218, // 166: lnrpc.RPCMiddlewareResponse.register:type_name -> lnrpc.MiddlewareRegistration - 219, // 167: lnrpc.RPCMiddlewareResponse.feedback:type_name -> lnrpc.InterceptFeedback - 177, // 168: lnrpc.Peer.FeaturesEntry.value:type_name -> lnrpc.Feature - 177, // 169: lnrpc.GetInfoResponse.FeaturesEntry.value:type_name -> lnrpc.Feature - 4, // 170: lnrpc.PendingChannelsResponse.PendingChannel.initiator:type_name -> lnrpc.Initiator - 3, // 171: lnrpc.PendingChannelsResponse.PendingChannel.commitment_type:type_name -> lnrpc.CommitmentType - 226, // 172: lnrpc.PendingChannelsResponse.PendingOpenChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 226, // 173: lnrpc.PendingChannelsResponse.WaitingCloseChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 229, // 174: lnrpc.PendingChannelsResponse.WaitingCloseChannel.commitments:type_name -> lnrpc.PendingChannelsResponse.Commitments - 226, // 175: lnrpc.PendingChannelsResponse.ClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 226, // 176: lnrpc.PendingChannelsResponse.ForceClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 108, // 177: lnrpc.PendingChannelsResponse.ForceClosedChannel.pending_htlcs:type_name -> lnrpc.PendingHTLC - 15, // 178: lnrpc.PendingChannelsResponse.ForceClosedChannel.anchor:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel.AnchorState - 113, // 179: lnrpc.WalletBalanceResponse.AccountBalanceEntry.value:type_name -> lnrpc.WalletAccountBalance - 177, // 180: lnrpc.LightningNode.FeaturesEntry.value:type_name -> lnrpc.Feature - 137, // 181: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry.value:type_name -> lnrpc.FloatMetric - 177, // 182: lnrpc.NodeUpdate.FeaturesEntry.value:type_name -> lnrpc.Feature - 177, // 183: lnrpc.Invoice.FeaturesEntry.value:type_name -> lnrpc.Feature - 154, // 184: lnrpc.Invoice.AmpInvoiceStateEntry.value:type_name -> lnrpc.AMPInvoiceState - 177, // 185: lnrpc.PayReq.FeaturesEntry.value:type_name -> lnrpc.Feature - 205, // 186: lnrpc.ListPermissionsResponse.MethodPermissionsEntry.value:type_name -> lnrpc.MacaroonPermissionList - 114, // 187: lnrpc.Lightning.WalletBalance:input_type -> lnrpc.WalletBalanceRequest - 117, // 188: lnrpc.Lightning.ChannelBalance:input_type -> lnrpc.ChannelBalanceRequest - 30, // 189: lnrpc.Lightning.GetTransactions:input_type -> lnrpc.GetTransactionsRequest - 42, // 190: lnrpc.Lightning.EstimateFee:input_type -> lnrpc.EstimateFeeRequest - 46, // 191: lnrpc.Lightning.SendCoins:input_type -> lnrpc.SendCoinsRequest - 48, // 192: lnrpc.Lightning.ListUnspent:input_type -> lnrpc.ListUnspentRequest - 30, // 193: lnrpc.Lightning.SubscribeTransactions:input_type -> lnrpc.GetTransactionsRequest - 44, // 194: lnrpc.Lightning.SendMany:input_type -> lnrpc.SendManyRequest - 50, // 195: lnrpc.Lightning.NewAddress:input_type -> lnrpc.NewAddressRequest - 52, // 196: lnrpc.Lightning.SignMessage:input_type -> lnrpc.SignMessageRequest - 54, // 197: lnrpc.Lightning.VerifyMessage:input_type -> lnrpc.VerifyMessageRequest - 56, // 198: lnrpc.Lightning.ConnectPeer:input_type -> lnrpc.ConnectPeerRequest - 58, // 199: lnrpc.Lightning.DisconnectPeer:input_type -> lnrpc.DisconnectPeerRequest - 74, // 200: lnrpc.Lightning.ListPeers:input_type -> lnrpc.ListPeersRequest - 76, // 201: lnrpc.Lightning.SubscribePeerEvents:input_type -> lnrpc.PeerEventSubscription - 78, // 202: lnrpc.Lightning.GetInfo:input_type -> lnrpc.GetInfoRequest - 80, // 203: lnrpc.Lightning.GetDebugInfo:input_type -> lnrpc.GetDebugInfoRequest - 82, // 204: lnrpc.Lightning.GetRecoveryInfo:input_type -> lnrpc.GetRecoveryInfoRequest - 109, // 205: lnrpc.Lightning.PendingChannels:input_type -> lnrpc.PendingChannelsRequest - 63, // 206: lnrpc.Lightning.ListChannels:input_type -> lnrpc.ListChannelsRequest - 111, // 207: lnrpc.Lightning.SubscribeChannelEvents:input_type -> lnrpc.ChannelEventSubscription - 70, // 208: lnrpc.Lightning.ClosedChannels:input_type -> lnrpc.ClosedChannelsRequest - 96, // 209: lnrpc.Lightning.OpenChannelSync:input_type -> lnrpc.OpenChannelRequest - 96, // 210: lnrpc.Lightning.OpenChannel:input_type -> lnrpc.OpenChannelRequest - 93, // 211: lnrpc.Lightning.BatchOpenChannel:input_type -> lnrpc.BatchOpenChannelRequest - 106, // 212: lnrpc.Lightning.FundingStateStep:input_type -> lnrpc.FundingTransitionMsg - 37, // 213: lnrpc.Lightning.ChannelAcceptor:input_type -> lnrpc.ChannelAcceptResponse - 88, // 214: lnrpc.Lightning.CloseChannel:input_type -> lnrpc.CloseChannelRequest - 171, // 215: lnrpc.Lightning.AbandonChannel:input_type -> lnrpc.AbandonChannelRequest - 33, // 216: lnrpc.Lightning.SendPayment:input_type -> lnrpc.SendRequest - 33, // 217: lnrpc.Lightning.SendPaymentSync:input_type -> lnrpc.SendRequest - 35, // 218: lnrpc.Lightning.SendToRoute:input_type -> lnrpc.SendToRouteRequest - 35, // 219: lnrpc.Lightning.SendToRouteSync:input_type -> lnrpc.SendToRouteRequest - 155, // 220: lnrpc.Lightning.AddInvoice:input_type -> lnrpc.Invoice - 160, // 221: lnrpc.Lightning.ListInvoices:input_type -> lnrpc.ListInvoiceRequest - 159, // 222: lnrpc.Lightning.LookupInvoice:input_type -> lnrpc.PaymentHash - 162, // 223: lnrpc.Lightning.SubscribeInvoices:input_type -> lnrpc.InvoiceSubscription - 175, // 224: lnrpc.Lightning.DecodePayReq:input_type -> lnrpc.PayReqString - 165, // 225: lnrpc.Lightning.ListPayments:input_type -> lnrpc.ListPaymentsRequest - 167, // 226: lnrpc.Lightning.DeletePayment:input_type -> lnrpc.DeletePaymentRequest - 168, // 227: lnrpc.Lightning.DeleteAllPayments:input_type -> lnrpc.DeleteAllPaymentsRequest - 133, // 228: lnrpc.Lightning.DescribeGraph:input_type -> lnrpc.ChannelGraphRequest - 135, // 229: lnrpc.Lightning.GetNodeMetrics:input_type -> lnrpc.NodeMetricsRequest - 138, // 230: lnrpc.Lightning.GetChanInfo:input_type -> lnrpc.ChanInfoRequest - 127, // 231: lnrpc.Lightning.GetNodeInfo:input_type -> lnrpc.NodeInfoRequest - 119, // 232: lnrpc.Lightning.QueryRoutes:input_type -> lnrpc.QueryRoutesRequest - 139, // 233: lnrpc.Lightning.GetNetworkInfo:input_type -> lnrpc.NetworkInfoRequest - 141, // 234: lnrpc.Lightning.StopDaemon:input_type -> lnrpc.StopRequest - 143, // 235: lnrpc.Lightning.SubscribeChannelGraph:input_type -> lnrpc.GraphTopologySubscription - 173, // 236: lnrpc.Lightning.DebugLevel:input_type -> lnrpc.DebugLevelRequest - 178, // 237: lnrpc.Lightning.FeeReport:input_type -> lnrpc.FeeReportRequest - 182, // 238: lnrpc.Lightning.UpdateChannelPolicy:input_type -> lnrpc.PolicyUpdateRequest - 185, // 239: lnrpc.Lightning.ForwardingHistory:input_type -> lnrpc.ForwardingHistoryRequest - 188, // 240: lnrpc.Lightning.ExportChannelBackup:input_type -> lnrpc.ExportChannelBackupRequest - 191, // 241: lnrpc.Lightning.ExportAllChannelBackups:input_type -> lnrpc.ChanBackupExportRequest - 192, // 242: lnrpc.Lightning.VerifyChanBackup:input_type -> lnrpc.ChanBackupSnapshot - 194, // 243: lnrpc.Lightning.RestoreChannelBackups:input_type -> lnrpc.RestoreChanBackupRequest - 196, // 244: lnrpc.Lightning.SubscribeChannelBackups:input_type -> lnrpc.ChannelBackupSubscription - 199, // 245: lnrpc.Lightning.BakeMacaroon:input_type -> lnrpc.BakeMacaroonRequest - 201, // 246: lnrpc.Lightning.ListMacaroonIDs:input_type -> lnrpc.ListMacaroonIDsRequest - 203, // 247: lnrpc.Lightning.DeleteMacaroonID:input_type -> lnrpc.DeleteMacaroonIDRequest - 206, // 248: lnrpc.Lightning.ListPermissions:input_type -> lnrpc.ListPermissionsRequest - 212, // 249: lnrpc.Lightning.CheckMacaroonPermissions:input_type -> lnrpc.CheckMacPermRequest - 217, // 250: lnrpc.Lightning.RegisterRPCMiddleware:input_type -> lnrpc.RPCMiddlewareResponse - 25, // 251: lnrpc.Lightning.SendCustomMessage:input_type -> lnrpc.SendCustomMessageRequest - 23, // 252: lnrpc.Lightning.SubscribeCustomMessages:input_type -> lnrpc.SubscribeCustomMessagesRequest - 66, // 253: lnrpc.Lightning.ListAliases:input_type -> lnrpc.ListAliasesRequest - 21, // 254: lnrpc.Lightning.LookupHtlcResolution:input_type -> lnrpc.LookupHtlcResolutionRequest - 115, // 255: lnrpc.Lightning.WalletBalance:output_type -> lnrpc.WalletBalanceResponse - 118, // 256: lnrpc.Lightning.ChannelBalance:output_type -> lnrpc.ChannelBalanceResponse - 31, // 257: lnrpc.Lightning.GetTransactions:output_type -> lnrpc.TransactionDetails - 43, // 258: lnrpc.Lightning.EstimateFee:output_type -> lnrpc.EstimateFeeResponse - 47, // 259: lnrpc.Lightning.SendCoins:output_type -> lnrpc.SendCoinsResponse - 49, // 260: lnrpc.Lightning.ListUnspent:output_type -> lnrpc.ListUnspentResponse - 29, // 261: lnrpc.Lightning.SubscribeTransactions:output_type -> lnrpc.Transaction - 45, // 262: lnrpc.Lightning.SendMany:output_type -> lnrpc.SendManyResponse - 51, // 263: lnrpc.Lightning.NewAddress:output_type -> lnrpc.NewAddressResponse - 53, // 264: lnrpc.Lightning.SignMessage:output_type -> lnrpc.SignMessageResponse - 55, // 265: lnrpc.Lightning.VerifyMessage:output_type -> lnrpc.VerifyMessageResponse - 57, // 266: lnrpc.Lightning.ConnectPeer:output_type -> lnrpc.ConnectPeerResponse - 59, // 267: lnrpc.Lightning.DisconnectPeer:output_type -> lnrpc.DisconnectPeerResponse - 75, // 268: lnrpc.Lightning.ListPeers:output_type -> lnrpc.ListPeersResponse - 77, // 269: lnrpc.Lightning.SubscribePeerEvents:output_type -> lnrpc.PeerEvent - 79, // 270: lnrpc.Lightning.GetInfo:output_type -> lnrpc.GetInfoResponse - 81, // 271: lnrpc.Lightning.GetDebugInfo:output_type -> lnrpc.GetDebugInfoResponse - 83, // 272: lnrpc.Lightning.GetRecoveryInfo:output_type -> lnrpc.GetRecoveryInfoResponse - 110, // 273: lnrpc.Lightning.PendingChannels:output_type -> lnrpc.PendingChannelsResponse - 64, // 274: lnrpc.Lightning.ListChannels:output_type -> lnrpc.ListChannelsResponse - 112, // 275: lnrpc.Lightning.SubscribeChannelEvents:output_type -> lnrpc.ChannelEventUpdate - 71, // 276: lnrpc.Lightning.ClosedChannels:output_type -> lnrpc.ClosedChannelsResponse - 38, // 277: lnrpc.Lightning.OpenChannelSync:output_type -> lnrpc.ChannelPoint - 97, // 278: lnrpc.Lightning.OpenChannel:output_type -> lnrpc.OpenStatusUpdate - 95, // 279: lnrpc.Lightning.BatchOpenChannel:output_type -> lnrpc.BatchOpenChannelResponse - 107, // 280: lnrpc.Lightning.FundingStateStep:output_type -> lnrpc.FundingStateStepResp - 36, // 281: lnrpc.Lightning.ChannelAcceptor:output_type -> lnrpc.ChannelAcceptRequest - 89, // 282: lnrpc.Lightning.CloseChannel:output_type -> lnrpc.CloseStatusUpdate - 172, // 283: lnrpc.Lightning.AbandonChannel:output_type -> lnrpc.AbandonChannelResponse - 34, // 284: lnrpc.Lightning.SendPayment:output_type -> lnrpc.SendResponse - 34, // 285: lnrpc.Lightning.SendPaymentSync:output_type -> lnrpc.SendResponse - 34, // 286: lnrpc.Lightning.SendToRoute:output_type -> lnrpc.SendResponse - 34, // 287: lnrpc.Lightning.SendToRouteSync:output_type -> lnrpc.SendResponse - 158, // 288: lnrpc.Lightning.AddInvoice:output_type -> lnrpc.AddInvoiceResponse - 161, // 289: lnrpc.Lightning.ListInvoices:output_type -> lnrpc.ListInvoiceResponse - 155, // 290: lnrpc.Lightning.LookupInvoice:output_type -> lnrpc.Invoice - 155, // 291: lnrpc.Lightning.SubscribeInvoices:output_type -> lnrpc.Invoice - 176, // 292: lnrpc.Lightning.DecodePayReq:output_type -> lnrpc.PayReq - 166, // 293: lnrpc.Lightning.ListPayments:output_type -> lnrpc.ListPaymentsResponse - 169, // 294: lnrpc.Lightning.DeletePayment:output_type -> lnrpc.DeletePaymentResponse - 170, // 295: lnrpc.Lightning.DeleteAllPayments:output_type -> lnrpc.DeleteAllPaymentsResponse - 134, // 296: lnrpc.Lightning.DescribeGraph:output_type -> lnrpc.ChannelGraph - 136, // 297: lnrpc.Lightning.GetNodeMetrics:output_type -> lnrpc.NodeMetricsResponse - 132, // 298: lnrpc.Lightning.GetChanInfo:output_type -> lnrpc.ChannelEdge - 128, // 299: lnrpc.Lightning.GetNodeInfo:output_type -> lnrpc.NodeInfo - 122, // 300: lnrpc.Lightning.QueryRoutes:output_type -> lnrpc.QueryRoutesResponse - 140, // 301: lnrpc.Lightning.GetNetworkInfo:output_type -> lnrpc.NetworkInfo - 142, // 302: lnrpc.Lightning.StopDaemon:output_type -> lnrpc.StopResponse - 144, // 303: lnrpc.Lightning.SubscribeChannelGraph:output_type -> lnrpc.GraphTopologyUpdate - 174, // 304: lnrpc.Lightning.DebugLevel:output_type -> lnrpc.DebugLevelResponse - 180, // 305: lnrpc.Lightning.FeeReport:output_type -> lnrpc.FeeReportResponse - 184, // 306: lnrpc.Lightning.UpdateChannelPolicy:output_type -> lnrpc.PolicyUpdateResponse - 187, // 307: lnrpc.Lightning.ForwardingHistory:output_type -> lnrpc.ForwardingHistoryResponse - 189, // 308: lnrpc.Lightning.ExportChannelBackup:output_type -> lnrpc.ChannelBackup - 192, // 309: lnrpc.Lightning.ExportAllChannelBackups:output_type -> lnrpc.ChanBackupSnapshot - 197, // 310: lnrpc.Lightning.VerifyChanBackup:output_type -> lnrpc.VerifyChanBackupResponse - 195, // 311: lnrpc.Lightning.RestoreChannelBackups:output_type -> lnrpc.RestoreBackupResponse - 192, // 312: lnrpc.Lightning.SubscribeChannelBackups:output_type -> lnrpc.ChanBackupSnapshot - 200, // 313: lnrpc.Lightning.BakeMacaroon:output_type -> lnrpc.BakeMacaroonResponse - 202, // 314: lnrpc.Lightning.ListMacaroonIDs:output_type -> lnrpc.ListMacaroonIDsResponse - 204, // 315: lnrpc.Lightning.DeleteMacaroonID:output_type -> lnrpc.DeleteMacaroonIDResponse - 207, // 316: lnrpc.Lightning.ListPermissions:output_type -> lnrpc.ListPermissionsResponse - 213, // 317: lnrpc.Lightning.CheckMacaroonPermissions:output_type -> lnrpc.CheckMacPermResponse - 214, // 318: lnrpc.Lightning.RegisterRPCMiddleware:output_type -> lnrpc.RPCMiddlewareRequest - 26, // 319: lnrpc.Lightning.SendCustomMessage:output_type -> lnrpc.SendCustomMessageResponse - 24, // 320: lnrpc.Lightning.SubscribeCustomMessages:output_type -> lnrpc.CustomMessage - 67, // 321: lnrpc.Lightning.ListAliases:output_type -> lnrpc.ListAliasesResponse - 22, // 322: lnrpc.Lightning.LookupHtlcResolution:output_type -> lnrpc.LookupHtlcResolutionResponse - 255, // [255:323] is the sub-list for method output_type - 187, // [187:255] is the sub-list for method input_type - 187, // [187:187] is the sub-list for extension type_name - 187, // [187:187] is the sub-list for extension extendee - 0, // [0:187] is the sub-list for field type_name + 39, // 17: lnrpc.SendCoinsRequest.outpoints:type_name -> lnrpc.OutPoint + 27, // 18: lnrpc.ListUnspentResponse.utxos:type_name -> lnrpc.Utxo + 2, // 19: lnrpc.NewAddressRequest.type:type_name -> lnrpc.AddressType + 41, // 20: lnrpc.ConnectPeerRequest.addr:type_name -> lnrpc.LightningAddress + 60, // 21: lnrpc.Channel.pending_htlcs:type_name -> lnrpc.HTLC + 3, // 22: lnrpc.Channel.commitment_type:type_name -> lnrpc.CommitmentType + 61, // 23: lnrpc.Channel.local_constraints:type_name -> lnrpc.ChannelConstraints + 61, // 24: lnrpc.Channel.remote_constraints:type_name -> lnrpc.ChannelConstraints + 62, // 25: lnrpc.ListChannelsResponse.channels:type_name -> lnrpc.Channel + 65, // 26: lnrpc.ListAliasesResponse.alias_maps:type_name -> lnrpc.AliasMap + 12, // 27: lnrpc.ChannelCloseSummary.close_type:type_name -> lnrpc.ChannelCloseSummary.ClosureType + 4, // 28: lnrpc.ChannelCloseSummary.open_initiator:type_name -> lnrpc.Initiator + 4, // 29: lnrpc.ChannelCloseSummary.close_initiator:type_name -> lnrpc.Initiator + 69, // 30: lnrpc.ChannelCloseSummary.resolutions:type_name -> lnrpc.Resolution + 5, // 31: lnrpc.Resolution.resolution_type:type_name -> lnrpc.ResolutionType + 6, // 32: lnrpc.Resolution.outcome:type_name -> lnrpc.ResolutionOutcome + 39, // 33: lnrpc.Resolution.outpoint:type_name -> lnrpc.OutPoint + 68, // 34: lnrpc.ClosedChannelsResponse.channels:type_name -> lnrpc.ChannelCloseSummary + 13, // 35: lnrpc.Peer.sync_type:type_name -> lnrpc.Peer.SyncType + 223, // 36: lnrpc.Peer.features:type_name -> lnrpc.Peer.FeaturesEntry + 73, // 37: lnrpc.Peer.errors:type_name -> lnrpc.TimestampedError + 72, // 38: lnrpc.ListPeersResponse.peers:type_name -> lnrpc.Peer + 14, // 39: lnrpc.PeerEvent.type:type_name -> lnrpc.PeerEvent.EventType + 84, // 40: lnrpc.GetInfoResponse.chains:type_name -> lnrpc.Chain + 224, // 41: lnrpc.GetInfoResponse.features:type_name -> lnrpc.GetInfoResponse.FeaturesEntry + 225, // 42: lnrpc.GetDebugInfoResponse.config:type_name -> lnrpc.GetDebugInfoResponse.ConfigEntry + 38, // 43: lnrpc.ChannelOpenUpdate.channel_point:type_name -> lnrpc.ChannelPoint + 38, // 44: lnrpc.CloseChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint + 90, // 45: lnrpc.CloseStatusUpdate.close_pending:type_name -> lnrpc.PendingUpdate + 87, // 46: lnrpc.CloseStatusUpdate.chan_close:type_name -> lnrpc.ChannelCloseUpdate + 91, // 47: lnrpc.CloseStatusUpdate.close_instant:type_name -> lnrpc.InstantUpdate + 94, // 48: lnrpc.BatchOpenChannelRequest.channels:type_name -> lnrpc.BatchOpenChannel + 1, // 49: lnrpc.BatchOpenChannelRequest.coin_selection_strategy:type_name -> lnrpc.CoinSelectionStrategy + 3, // 50: lnrpc.BatchOpenChannel.commitment_type:type_name -> lnrpc.CommitmentType + 90, // 51: lnrpc.BatchOpenChannelResponse.pending_channels:type_name -> lnrpc.PendingUpdate + 102, // 52: lnrpc.OpenChannelRequest.funding_shim:type_name -> lnrpc.FundingShim + 3, // 53: lnrpc.OpenChannelRequest.commitment_type:type_name -> lnrpc.CommitmentType + 39, // 54: lnrpc.OpenChannelRequest.outpoints:type_name -> lnrpc.OutPoint + 90, // 55: lnrpc.OpenStatusUpdate.chan_pending:type_name -> lnrpc.PendingUpdate + 86, // 56: lnrpc.OpenStatusUpdate.chan_open:type_name -> lnrpc.ChannelOpenUpdate + 92, // 57: lnrpc.OpenStatusUpdate.psbt_fund:type_name -> lnrpc.ReadyForPsbtFunding + 98, // 58: lnrpc.KeyDescriptor.key_loc:type_name -> lnrpc.KeyLocator + 38, // 59: lnrpc.ChanPointShim.chan_point:type_name -> lnrpc.ChannelPoint + 99, // 60: lnrpc.ChanPointShim.local_key:type_name -> lnrpc.KeyDescriptor + 100, // 61: lnrpc.FundingShim.chan_point_shim:type_name -> lnrpc.ChanPointShim + 101, // 62: lnrpc.FundingShim.psbt_shim:type_name -> lnrpc.PsbtShim + 102, // 63: lnrpc.FundingTransitionMsg.shim_register:type_name -> lnrpc.FundingShim + 103, // 64: lnrpc.FundingTransitionMsg.shim_cancel:type_name -> lnrpc.FundingShimCancel + 104, // 65: lnrpc.FundingTransitionMsg.psbt_verify:type_name -> lnrpc.FundingPsbtVerify + 105, // 66: lnrpc.FundingTransitionMsg.psbt_finalize:type_name -> lnrpc.FundingPsbtFinalize + 227, // 67: lnrpc.PendingChannelsResponse.pending_open_channels:type_name -> lnrpc.PendingChannelsResponse.PendingOpenChannel + 230, // 68: lnrpc.PendingChannelsResponse.pending_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ClosedChannel + 231, // 69: lnrpc.PendingChannelsResponse.pending_force_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel + 228, // 70: lnrpc.PendingChannelsResponse.waiting_close_channels:type_name -> lnrpc.PendingChannelsResponse.WaitingCloseChannel + 62, // 71: lnrpc.ChannelEventUpdate.open_channel:type_name -> lnrpc.Channel + 68, // 72: lnrpc.ChannelEventUpdate.closed_channel:type_name -> lnrpc.ChannelCloseSummary + 38, // 73: lnrpc.ChannelEventUpdate.active_channel:type_name -> lnrpc.ChannelPoint + 38, // 74: lnrpc.ChannelEventUpdate.inactive_channel:type_name -> lnrpc.ChannelPoint + 90, // 75: lnrpc.ChannelEventUpdate.pending_open_channel:type_name -> lnrpc.PendingUpdate + 38, // 76: lnrpc.ChannelEventUpdate.fully_resolved_channel:type_name -> lnrpc.ChannelPoint + 16, // 77: lnrpc.ChannelEventUpdate.type:type_name -> lnrpc.ChannelEventUpdate.UpdateType + 232, // 78: lnrpc.WalletBalanceResponse.account_balance:type_name -> lnrpc.WalletBalanceResponse.AccountBalanceEntry + 116, // 79: lnrpc.ChannelBalanceResponse.local_balance:type_name -> lnrpc.Amount + 116, // 80: lnrpc.ChannelBalanceResponse.remote_balance:type_name -> lnrpc.Amount + 116, // 81: lnrpc.ChannelBalanceResponse.unsettled_local_balance:type_name -> lnrpc.Amount + 116, // 82: lnrpc.ChannelBalanceResponse.unsettled_remote_balance:type_name -> lnrpc.Amount + 116, // 83: lnrpc.ChannelBalanceResponse.pending_open_local_balance:type_name -> lnrpc.Amount + 116, // 84: lnrpc.ChannelBalanceResponse.pending_open_remote_balance:type_name -> lnrpc.Amount + 32, // 85: lnrpc.QueryRoutesRequest.fee_limit:type_name -> lnrpc.FeeLimit + 121, // 86: lnrpc.QueryRoutesRequest.ignored_edges:type_name -> lnrpc.EdgeLocator + 120, // 87: lnrpc.QueryRoutesRequest.ignored_pairs:type_name -> lnrpc.NodePair + 233, // 88: lnrpc.QueryRoutesRequest.dest_custom_records:type_name -> lnrpc.QueryRoutesRequest.DestCustomRecordsEntry + 150, // 89: lnrpc.QueryRoutesRequest.route_hints:type_name -> lnrpc.RouteHint + 151, // 90: lnrpc.QueryRoutesRequest.blinded_payment_paths:type_name -> lnrpc.BlindedPaymentPath + 10, // 91: lnrpc.QueryRoutesRequest.dest_features:type_name -> lnrpc.FeatureBit + 126, // 92: lnrpc.QueryRoutesResponse.routes:type_name -> lnrpc.Route + 124, // 93: lnrpc.Hop.mpp_record:type_name -> lnrpc.MPPRecord + 125, // 94: lnrpc.Hop.amp_record:type_name -> lnrpc.AMPRecord + 234, // 95: lnrpc.Hop.custom_records:type_name -> lnrpc.Hop.CustomRecordsEntry + 123, // 96: lnrpc.Route.hops:type_name -> lnrpc.Hop + 129, // 97: lnrpc.NodeInfo.node:type_name -> lnrpc.LightningNode + 132, // 98: lnrpc.NodeInfo.channels:type_name -> lnrpc.ChannelEdge + 130, // 99: lnrpc.LightningNode.addresses:type_name -> lnrpc.NodeAddress + 235, // 100: lnrpc.LightningNode.features:type_name -> lnrpc.LightningNode.FeaturesEntry + 236, // 101: lnrpc.LightningNode.custom_records:type_name -> lnrpc.LightningNode.CustomRecordsEntry + 237, // 102: lnrpc.RoutingPolicy.custom_records:type_name -> lnrpc.RoutingPolicy.CustomRecordsEntry + 131, // 103: lnrpc.ChannelEdge.node1_policy:type_name -> lnrpc.RoutingPolicy + 131, // 104: lnrpc.ChannelEdge.node2_policy:type_name -> lnrpc.RoutingPolicy + 238, // 105: lnrpc.ChannelEdge.custom_records:type_name -> lnrpc.ChannelEdge.CustomRecordsEntry + 129, // 106: lnrpc.ChannelGraph.nodes:type_name -> lnrpc.LightningNode + 132, // 107: lnrpc.ChannelGraph.edges:type_name -> lnrpc.ChannelEdge + 7, // 108: lnrpc.NodeMetricsRequest.types:type_name -> lnrpc.NodeMetricType + 239, // 109: lnrpc.NodeMetricsResponse.betweenness_centrality:type_name -> lnrpc.NodeMetricsResponse.BetweennessCentralityEntry + 145, // 110: lnrpc.GraphTopologyUpdate.node_updates:type_name -> lnrpc.NodeUpdate + 146, // 111: lnrpc.GraphTopologyUpdate.channel_updates:type_name -> lnrpc.ChannelEdgeUpdate + 147, // 112: lnrpc.GraphTopologyUpdate.closed_chans:type_name -> lnrpc.ClosedChannelUpdate + 130, // 113: lnrpc.NodeUpdate.node_addresses:type_name -> lnrpc.NodeAddress + 240, // 114: lnrpc.NodeUpdate.features:type_name -> lnrpc.NodeUpdate.FeaturesEntry + 38, // 115: lnrpc.ChannelEdgeUpdate.chan_point:type_name -> lnrpc.ChannelPoint + 131, // 116: lnrpc.ChannelEdgeUpdate.routing_policy:type_name -> lnrpc.RoutingPolicy + 38, // 117: lnrpc.ClosedChannelUpdate.chan_point:type_name -> lnrpc.ChannelPoint + 148, // 118: lnrpc.RouteHint.hop_hints:type_name -> lnrpc.HopHint + 152, // 119: lnrpc.BlindedPaymentPath.blinded_path:type_name -> lnrpc.BlindedPath + 10, // 120: lnrpc.BlindedPaymentPath.features:type_name -> lnrpc.FeatureBit + 153, // 121: lnrpc.BlindedPath.blinded_hops:type_name -> lnrpc.BlindedHop + 8, // 122: lnrpc.AMPInvoiceState.state:type_name -> lnrpc.InvoiceHTLCState + 150, // 123: lnrpc.Invoice.route_hints:type_name -> lnrpc.RouteHint + 17, // 124: lnrpc.Invoice.state:type_name -> lnrpc.Invoice.InvoiceState + 156, // 125: lnrpc.Invoice.htlcs:type_name -> lnrpc.InvoiceHTLC + 241, // 126: lnrpc.Invoice.features:type_name -> lnrpc.Invoice.FeaturesEntry + 242, // 127: lnrpc.Invoice.amp_invoice_state:type_name -> lnrpc.Invoice.AmpInvoiceStateEntry + 8, // 128: lnrpc.InvoiceHTLC.state:type_name -> lnrpc.InvoiceHTLCState + 243, // 129: lnrpc.InvoiceHTLC.custom_records:type_name -> lnrpc.InvoiceHTLC.CustomRecordsEntry + 157, // 130: lnrpc.InvoiceHTLC.amp:type_name -> lnrpc.AMP + 155, // 131: lnrpc.ListInvoiceResponse.invoices:type_name -> lnrpc.Invoice + 18, // 132: lnrpc.Payment.status:type_name -> lnrpc.Payment.PaymentStatus + 164, // 133: lnrpc.Payment.htlcs:type_name -> lnrpc.HTLCAttempt + 9, // 134: lnrpc.Payment.failure_reason:type_name -> lnrpc.PaymentFailureReason + 19, // 135: lnrpc.HTLCAttempt.status:type_name -> lnrpc.HTLCAttempt.HTLCStatus + 126, // 136: lnrpc.HTLCAttempt.route:type_name -> lnrpc.Route + 208, // 137: lnrpc.HTLCAttempt.failure:type_name -> lnrpc.Failure + 163, // 138: lnrpc.ListPaymentsResponse.payments:type_name -> lnrpc.Payment + 38, // 139: lnrpc.AbandonChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint + 150, // 140: lnrpc.PayReq.route_hints:type_name -> lnrpc.RouteHint + 244, // 141: lnrpc.PayReq.features:type_name -> lnrpc.PayReq.FeaturesEntry + 151, // 142: lnrpc.PayReq.blinded_paths:type_name -> lnrpc.BlindedPaymentPath + 179, // 143: lnrpc.FeeReportResponse.channel_fees:type_name -> lnrpc.ChannelFeeReport + 38, // 144: lnrpc.PolicyUpdateRequest.chan_point:type_name -> lnrpc.ChannelPoint + 181, // 145: lnrpc.PolicyUpdateRequest.inbound_fee:type_name -> lnrpc.InboundFee + 39, // 146: lnrpc.FailedUpdate.outpoint:type_name -> lnrpc.OutPoint + 11, // 147: lnrpc.FailedUpdate.reason:type_name -> lnrpc.UpdateFailure + 183, // 148: lnrpc.PolicyUpdateResponse.failed_updates:type_name -> lnrpc.FailedUpdate + 186, // 149: lnrpc.ForwardingHistoryResponse.forwarding_events:type_name -> lnrpc.ForwardingEvent + 38, // 150: lnrpc.ExportChannelBackupRequest.chan_point:type_name -> lnrpc.ChannelPoint + 38, // 151: lnrpc.ChannelBackup.chan_point:type_name -> lnrpc.ChannelPoint + 38, // 152: lnrpc.MultiChanBackup.chan_points:type_name -> lnrpc.ChannelPoint + 193, // 153: lnrpc.ChanBackupSnapshot.single_chan_backups:type_name -> lnrpc.ChannelBackups + 190, // 154: lnrpc.ChanBackupSnapshot.multi_chan_backup:type_name -> lnrpc.MultiChanBackup + 189, // 155: lnrpc.ChannelBackups.chan_backups:type_name -> lnrpc.ChannelBackup + 193, // 156: lnrpc.RestoreChanBackupRequest.chan_backups:type_name -> lnrpc.ChannelBackups + 198, // 157: lnrpc.BakeMacaroonRequest.permissions:type_name -> lnrpc.MacaroonPermission + 198, // 158: lnrpc.MacaroonPermissionList.permissions:type_name -> lnrpc.MacaroonPermission + 245, // 159: lnrpc.ListPermissionsResponse.method_permissions:type_name -> lnrpc.ListPermissionsResponse.MethodPermissionsEntry + 20, // 160: lnrpc.Failure.code:type_name -> lnrpc.Failure.FailureCode + 209, // 161: lnrpc.Failure.channel_update:type_name -> lnrpc.ChannelUpdate + 211, // 162: lnrpc.MacaroonId.ops:type_name -> lnrpc.Op + 198, // 163: lnrpc.CheckMacPermRequest.permissions:type_name -> lnrpc.MacaroonPermission + 215, // 164: lnrpc.RPCMiddlewareRequest.stream_auth:type_name -> lnrpc.StreamAuth + 216, // 165: lnrpc.RPCMiddlewareRequest.request:type_name -> lnrpc.RPCMessage + 216, // 166: lnrpc.RPCMiddlewareRequest.response:type_name -> lnrpc.RPCMessage + 218, // 167: lnrpc.RPCMiddlewareResponse.register:type_name -> lnrpc.MiddlewareRegistration + 219, // 168: lnrpc.RPCMiddlewareResponse.feedback:type_name -> lnrpc.InterceptFeedback + 177, // 169: lnrpc.Peer.FeaturesEntry.value:type_name -> lnrpc.Feature + 177, // 170: lnrpc.GetInfoResponse.FeaturesEntry.value:type_name -> lnrpc.Feature + 4, // 171: lnrpc.PendingChannelsResponse.PendingChannel.initiator:type_name -> lnrpc.Initiator + 3, // 172: lnrpc.PendingChannelsResponse.PendingChannel.commitment_type:type_name -> lnrpc.CommitmentType + 226, // 173: lnrpc.PendingChannelsResponse.PendingOpenChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 226, // 174: lnrpc.PendingChannelsResponse.WaitingCloseChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 229, // 175: lnrpc.PendingChannelsResponse.WaitingCloseChannel.commitments:type_name -> lnrpc.PendingChannelsResponse.Commitments + 226, // 176: lnrpc.PendingChannelsResponse.ClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 226, // 177: lnrpc.PendingChannelsResponse.ForceClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 108, // 178: lnrpc.PendingChannelsResponse.ForceClosedChannel.pending_htlcs:type_name -> lnrpc.PendingHTLC + 15, // 179: lnrpc.PendingChannelsResponse.ForceClosedChannel.anchor:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel.AnchorState + 113, // 180: lnrpc.WalletBalanceResponse.AccountBalanceEntry.value:type_name -> lnrpc.WalletAccountBalance + 177, // 181: lnrpc.LightningNode.FeaturesEntry.value:type_name -> lnrpc.Feature + 137, // 182: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry.value:type_name -> lnrpc.FloatMetric + 177, // 183: lnrpc.NodeUpdate.FeaturesEntry.value:type_name -> lnrpc.Feature + 177, // 184: lnrpc.Invoice.FeaturesEntry.value:type_name -> lnrpc.Feature + 154, // 185: lnrpc.Invoice.AmpInvoiceStateEntry.value:type_name -> lnrpc.AMPInvoiceState + 177, // 186: lnrpc.PayReq.FeaturesEntry.value:type_name -> lnrpc.Feature + 205, // 187: lnrpc.ListPermissionsResponse.MethodPermissionsEntry.value:type_name -> lnrpc.MacaroonPermissionList + 114, // 188: lnrpc.Lightning.WalletBalance:input_type -> lnrpc.WalletBalanceRequest + 117, // 189: lnrpc.Lightning.ChannelBalance:input_type -> lnrpc.ChannelBalanceRequest + 30, // 190: lnrpc.Lightning.GetTransactions:input_type -> lnrpc.GetTransactionsRequest + 42, // 191: lnrpc.Lightning.EstimateFee:input_type -> lnrpc.EstimateFeeRequest + 46, // 192: lnrpc.Lightning.SendCoins:input_type -> lnrpc.SendCoinsRequest + 48, // 193: lnrpc.Lightning.ListUnspent:input_type -> lnrpc.ListUnspentRequest + 30, // 194: lnrpc.Lightning.SubscribeTransactions:input_type -> lnrpc.GetTransactionsRequest + 44, // 195: lnrpc.Lightning.SendMany:input_type -> lnrpc.SendManyRequest + 50, // 196: lnrpc.Lightning.NewAddress:input_type -> lnrpc.NewAddressRequest + 52, // 197: lnrpc.Lightning.SignMessage:input_type -> lnrpc.SignMessageRequest + 54, // 198: lnrpc.Lightning.VerifyMessage:input_type -> lnrpc.VerifyMessageRequest + 56, // 199: lnrpc.Lightning.ConnectPeer:input_type -> lnrpc.ConnectPeerRequest + 58, // 200: lnrpc.Lightning.DisconnectPeer:input_type -> lnrpc.DisconnectPeerRequest + 74, // 201: lnrpc.Lightning.ListPeers:input_type -> lnrpc.ListPeersRequest + 76, // 202: lnrpc.Lightning.SubscribePeerEvents:input_type -> lnrpc.PeerEventSubscription + 78, // 203: lnrpc.Lightning.GetInfo:input_type -> lnrpc.GetInfoRequest + 80, // 204: lnrpc.Lightning.GetDebugInfo:input_type -> lnrpc.GetDebugInfoRequest + 82, // 205: lnrpc.Lightning.GetRecoveryInfo:input_type -> lnrpc.GetRecoveryInfoRequest + 109, // 206: lnrpc.Lightning.PendingChannels:input_type -> lnrpc.PendingChannelsRequest + 63, // 207: lnrpc.Lightning.ListChannels:input_type -> lnrpc.ListChannelsRequest + 111, // 208: lnrpc.Lightning.SubscribeChannelEvents:input_type -> lnrpc.ChannelEventSubscription + 70, // 209: lnrpc.Lightning.ClosedChannels:input_type -> lnrpc.ClosedChannelsRequest + 96, // 210: lnrpc.Lightning.OpenChannelSync:input_type -> lnrpc.OpenChannelRequest + 96, // 211: lnrpc.Lightning.OpenChannel:input_type -> lnrpc.OpenChannelRequest + 93, // 212: lnrpc.Lightning.BatchOpenChannel:input_type -> lnrpc.BatchOpenChannelRequest + 106, // 213: lnrpc.Lightning.FundingStateStep:input_type -> lnrpc.FundingTransitionMsg + 37, // 214: lnrpc.Lightning.ChannelAcceptor:input_type -> lnrpc.ChannelAcceptResponse + 88, // 215: lnrpc.Lightning.CloseChannel:input_type -> lnrpc.CloseChannelRequest + 171, // 216: lnrpc.Lightning.AbandonChannel:input_type -> lnrpc.AbandonChannelRequest + 33, // 217: lnrpc.Lightning.SendPayment:input_type -> lnrpc.SendRequest + 33, // 218: lnrpc.Lightning.SendPaymentSync:input_type -> lnrpc.SendRequest + 35, // 219: lnrpc.Lightning.SendToRoute:input_type -> lnrpc.SendToRouteRequest + 35, // 220: lnrpc.Lightning.SendToRouteSync:input_type -> lnrpc.SendToRouteRequest + 155, // 221: lnrpc.Lightning.AddInvoice:input_type -> lnrpc.Invoice + 160, // 222: lnrpc.Lightning.ListInvoices:input_type -> lnrpc.ListInvoiceRequest + 159, // 223: lnrpc.Lightning.LookupInvoice:input_type -> lnrpc.PaymentHash + 162, // 224: lnrpc.Lightning.SubscribeInvoices:input_type -> lnrpc.InvoiceSubscription + 175, // 225: lnrpc.Lightning.DecodePayReq:input_type -> lnrpc.PayReqString + 165, // 226: lnrpc.Lightning.ListPayments:input_type -> lnrpc.ListPaymentsRequest + 167, // 227: lnrpc.Lightning.DeletePayment:input_type -> lnrpc.DeletePaymentRequest + 168, // 228: lnrpc.Lightning.DeleteAllPayments:input_type -> lnrpc.DeleteAllPaymentsRequest + 133, // 229: lnrpc.Lightning.DescribeGraph:input_type -> lnrpc.ChannelGraphRequest + 135, // 230: lnrpc.Lightning.GetNodeMetrics:input_type -> lnrpc.NodeMetricsRequest + 138, // 231: lnrpc.Lightning.GetChanInfo:input_type -> lnrpc.ChanInfoRequest + 127, // 232: lnrpc.Lightning.GetNodeInfo:input_type -> lnrpc.NodeInfoRequest + 119, // 233: lnrpc.Lightning.QueryRoutes:input_type -> lnrpc.QueryRoutesRequest + 139, // 234: lnrpc.Lightning.GetNetworkInfo:input_type -> lnrpc.NetworkInfoRequest + 141, // 235: lnrpc.Lightning.StopDaemon:input_type -> lnrpc.StopRequest + 143, // 236: lnrpc.Lightning.SubscribeChannelGraph:input_type -> lnrpc.GraphTopologySubscription + 173, // 237: lnrpc.Lightning.DebugLevel:input_type -> lnrpc.DebugLevelRequest + 178, // 238: lnrpc.Lightning.FeeReport:input_type -> lnrpc.FeeReportRequest + 182, // 239: lnrpc.Lightning.UpdateChannelPolicy:input_type -> lnrpc.PolicyUpdateRequest + 185, // 240: lnrpc.Lightning.ForwardingHistory:input_type -> lnrpc.ForwardingHistoryRequest + 188, // 241: lnrpc.Lightning.ExportChannelBackup:input_type -> lnrpc.ExportChannelBackupRequest + 191, // 242: lnrpc.Lightning.ExportAllChannelBackups:input_type -> lnrpc.ChanBackupExportRequest + 192, // 243: lnrpc.Lightning.VerifyChanBackup:input_type -> lnrpc.ChanBackupSnapshot + 194, // 244: lnrpc.Lightning.RestoreChannelBackups:input_type -> lnrpc.RestoreChanBackupRequest + 196, // 245: lnrpc.Lightning.SubscribeChannelBackups:input_type -> lnrpc.ChannelBackupSubscription + 199, // 246: lnrpc.Lightning.BakeMacaroon:input_type -> lnrpc.BakeMacaroonRequest + 201, // 247: lnrpc.Lightning.ListMacaroonIDs:input_type -> lnrpc.ListMacaroonIDsRequest + 203, // 248: lnrpc.Lightning.DeleteMacaroonID:input_type -> lnrpc.DeleteMacaroonIDRequest + 206, // 249: lnrpc.Lightning.ListPermissions:input_type -> lnrpc.ListPermissionsRequest + 212, // 250: lnrpc.Lightning.CheckMacaroonPermissions:input_type -> lnrpc.CheckMacPermRequest + 217, // 251: lnrpc.Lightning.RegisterRPCMiddleware:input_type -> lnrpc.RPCMiddlewareResponse + 25, // 252: lnrpc.Lightning.SendCustomMessage:input_type -> lnrpc.SendCustomMessageRequest + 23, // 253: lnrpc.Lightning.SubscribeCustomMessages:input_type -> lnrpc.SubscribeCustomMessagesRequest + 66, // 254: lnrpc.Lightning.ListAliases:input_type -> lnrpc.ListAliasesRequest + 21, // 255: lnrpc.Lightning.LookupHtlcResolution:input_type -> lnrpc.LookupHtlcResolutionRequest + 115, // 256: lnrpc.Lightning.WalletBalance:output_type -> lnrpc.WalletBalanceResponse + 118, // 257: lnrpc.Lightning.ChannelBalance:output_type -> lnrpc.ChannelBalanceResponse + 31, // 258: lnrpc.Lightning.GetTransactions:output_type -> lnrpc.TransactionDetails + 43, // 259: lnrpc.Lightning.EstimateFee:output_type -> lnrpc.EstimateFeeResponse + 47, // 260: lnrpc.Lightning.SendCoins:output_type -> lnrpc.SendCoinsResponse + 49, // 261: lnrpc.Lightning.ListUnspent:output_type -> lnrpc.ListUnspentResponse + 29, // 262: lnrpc.Lightning.SubscribeTransactions:output_type -> lnrpc.Transaction + 45, // 263: lnrpc.Lightning.SendMany:output_type -> lnrpc.SendManyResponse + 51, // 264: lnrpc.Lightning.NewAddress:output_type -> lnrpc.NewAddressResponse + 53, // 265: lnrpc.Lightning.SignMessage:output_type -> lnrpc.SignMessageResponse + 55, // 266: lnrpc.Lightning.VerifyMessage:output_type -> lnrpc.VerifyMessageResponse + 57, // 267: lnrpc.Lightning.ConnectPeer:output_type -> lnrpc.ConnectPeerResponse + 59, // 268: lnrpc.Lightning.DisconnectPeer:output_type -> lnrpc.DisconnectPeerResponse + 75, // 269: lnrpc.Lightning.ListPeers:output_type -> lnrpc.ListPeersResponse + 77, // 270: lnrpc.Lightning.SubscribePeerEvents:output_type -> lnrpc.PeerEvent + 79, // 271: lnrpc.Lightning.GetInfo:output_type -> lnrpc.GetInfoResponse + 81, // 272: lnrpc.Lightning.GetDebugInfo:output_type -> lnrpc.GetDebugInfoResponse + 83, // 273: lnrpc.Lightning.GetRecoveryInfo:output_type -> lnrpc.GetRecoveryInfoResponse + 110, // 274: lnrpc.Lightning.PendingChannels:output_type -> lnrpc.PendingChannelsResponse + 64, // 275: lnrpc.Lightning.ListChannels:output_type -> lnrpc.ListChannelsResponse + 112, // 276: lnrpc.Lightning.SubscribeChannelEvents:output_type -> lnrpc.ChannelEventUpdate + 71, // 277: lnrpc.Lightning.ClosedChannels:output_type -> lnrpc.ClosedChannelsResponse + 38, // 278: lnrpc.Lightning.OpenChannelSync:output_type -> lnrpc.ChannelPoint + 97, // 279: lnrpc.Lightning.OpenChannel:output_type -> lnrpc.OpenStatusUpdate + 95, // 280: lnrpc.Lightning.BatchOpenChannel:output_type -> lnrpc.BatchOpenChannelResponse + 107, // 281: lnrpc.Lightning.FundingStateStep:output_type -> lnrpc.FundingStateStepResp + 36, // 282: lnrpc.Lightning.ChannelAcceptor:output_type -> lnrpc.ChannelAcceptRequest + 89, // 283: lnrpc.Lightning.CloseChannel:output_type -> lnrpc.CloseStatusUpdate + 172, // 284: lnrpc.Lightning.AbandonChannel:output_type -> lnrpc.AbandonChannelResponse + 34, // 285: lnrpc.Lightning.SendPayment:output_type -> lnrpc.SendResponse + 34, // 286: lnrpc.Lightning.SendPaymentSync:output_type -> lnrpc.SendResponse + 34, // 287: lnrpc.Lightning.SendToRoute:output_type -> lnrpc.SendResponse + 34, // 288: lnrpc.Lightning.SendToRouteSync:output_type -> lnrpc.SendResponse + 158, // 289: lnrpc.Lightning.AddInvoice:output_type -> lnrpc.AddInvoiceResponse + 161, // 290: lnrpc.Lightning.ListInvoices:output_type -> lnrpc.ListInvoiceResponse + 155, // 291: lnrpc.Lightning.LookupInvoice:output_type -> lnrpc.Invoice + 155, // 292: lnrpc.Lightning.SubscribeInvoices:output_type -> lnrpc.Invoice + 176, // 293: lnrpc.Lightning.DecodePayReq:output_type -> lnrpc.PayReq + 166, // 294: lnrpc.Lightning.ListPayments:output_type -> lnrpc.ListPaymentsResponse + 169, // 295: lnrpc.Lightning.DeletePayment:output_type -> lnrpc.DeletePaymentResponse + 170, // 296: lnrpc.Lightning.DeleteAllPayments:output_type -> lnrpc.DeleteAllPaymentsResponse + 134, // 297: lnrpc.Lightning.DescribeGraph:output_type -> lnrpc.ChannelGraph + 136, // 298: lnrpc.Lightning.GetNodeMetrics:output_type -> lnrpc.NodeMetricsResponse + 132, // 299: lnrpc.Lightning.GetChanInfo:output_type -> lnrpc.ChannelEdge + 128, // 300: lnrpc.Lightning.GetNodeInfo:output_type -> lnrpc.NodeInfo + 122, // 301: lnrpc.Lightning.QueryRoutes:output_type -> lnrpc.QueryRoutesResponse + 140, // 302: lnrpc.Lightning.GetNetworkInfo:output_type -> lnrpc.NetworkInfo + 142, // 303: lnrpc.Lightning.StopDaemon:output_type -> lnrpc.StopResponse + 144, // 304: lnrpc.Lightning.SubscribeChannelGraph:output_type -> lnrpc.GraphTopologyUpdate + 174, // 305: lnrpc.Lightning.DebugLevel:output_type -> lnrpc.DebugLevelResponse + 180, // 306: lnrpc.Lightning.FeeReport:output_type -> lnrpc.FeeReportResponse + 184, // 307: lnrpc.Lightning.UpdateChannelPolicy:output_type -> lnrpc.PolicyUpdateResponse + 187, // 308: lnrpc.Lightning.ForwardingHistory:output_type -> lnrpc.ForwardingHistoryResponse + 189, // 309: lnrpc.Lightning.ExportChannelBackup:output_type -> lnrpc.ChannelBackup + 192, // 310: lnrpc.Lightning.ExportAllChannelBackups:output_type -> lnrpc.ChanBackupSnapshot + 197, // 311: lnrpc.Lightning.VerifyChanBackup:output_type -> lnrpc.VerifyChanBackupResponse + 195, // 312: lnrpc.Lightning.RestoreChannelBackups:output_type -> lnrpc.RestoreBackupResponse + 192, // 313: lnrpc.Lightning.SubscribeChannelBackups:output_type -> lnrpc.ChanBackupSnapshot + 200, // 314: lnrpc.Lightning.BakeMacaroon:output_type -> lnrpc.BakeMacaroonResponse + 202, // 315: lnrpc.Lightning.ListMacaroonIDs:output_type -> lnrpc.ListMacaroonIDsResponse + 204, // 316: lnrpc.Lightning.DeleteMacaroonID:output_type -> lnrpc.DeleteMacaroonIDResponse + 207, // 317: lnrpc.Lightning.ListPermissions:output_type -> lnrpc.ListPermissionsResponse + 213, // 318: lnrpc.Lightning.CheckMacaroonPermissions:output_type -> lnrpc.CheckMacPermResponse + 214, // 319: lnrpc.Lightning.RegisterRPCMiddleware:output_type -> lnrpc.RPCMiddlewareRequest + 26, // 320: lnrpc.Lightning.SendCustomMessage:output_type -> lnrpc.SendCustomMessageResponse + 24, // 321: lnrpc.Lightning.SubscribeCustomMessages:output_type -> lnrpc.CustomMessage + 67, // 322: lnrpc.Lightning.ListAliases:output_type -> lnrpc.ListAliasesResponse + 22, // 323: lnrpc.Lightning.LookupHtlcResolution:output_type -> lnrpc.LookupHtlcResolutionResponse + 256, // [256:324] is the sub-list for method output_type + 188, // [188:256] is the sub-list for method input_type + 188, // [188:188] is the sub-list for extension type_name + 188, // [188:188] is the sub-list for extension extendee + 0, // [0:188] is the sub-list for field type_name } func init() { file_lightning_proto_init() } diff --git a/lnrpc/lightning.proto b/lnrpc/lightning.proto index 0a60856173..283ca5430a 100644 --- a/lnrpc/lightning.proto +++ b/lnrpc/lightning.proto @@ -1190,9 +1190,8 @@ message SendCoinsRequest { int64 sat_per_byte = 5 [deprecated = true]; /* - If set, then the amount field will be ignored, and lnd will attempt to - send all the coins under control of the internal wallet to the specified - address. + If set, the amount field should be unset. It indicates lnd will send all + wallet coins or all selected coins to the specified address. */ bool send_all = 6; @@ -1208,6 +1207,9 @@ message SendCoinsRequest { // The strategy to use for selecting coins. CoinSelectionStrategy coin_selection_strategy = 10; + + // A list of selected outpoints as inputs for the transaction. + repeated OutPoint outpoints = 11; } message SendCoinsResponse { // The transaction ID of the transaction diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index 3af170b4b8..017ea8b05f 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -6965,7 +6965,7 @@ }, "send_all": { "type": "boolean", - "description": "If set, then the amount field will be ignored, and lnd will attempt to\nsend all the coins under control of the internal wallet to the specified\naddress." + "description": "If set, the amount field should be unset. It indicates lnd will send all\nwallet coins or all selected coins to the specified address." }, "label": { "type": "string", @@ -6983,6 +6983,13 @@ "coin_selection_strategy": { "$ref": "#/definitions/lnrpcCoinSelectionStrategy", "description": "The strategy to use for selecting coins." + }, + "outpoints": { + "type": "array", + "items": { + "$ref": "#/definitions/lnrpcOutPoint" + }, + "description": "A list of selected outpoints as inputs for the transaction." } } }, From 99339f706f54f95117ca8cad760b187c2d043b39 Mon Sep 17 00:00:00 2001 From: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> Date: Fri, 1 Mar 2024 20:25:20 +0100 Subject: [PATCH 272/343] multi: expand `SendOutputs` and `CreateSimpleTx` to take utxos This commit updates the interface methods from `lnwallet.WalletController` to take optional input set which can be used to create the tx. --- lnrpc/walletrpc/walletkit_server.go | 4 ++-- lntest/mock/walletcontroller.go | 13 +++++++++---- lnwallet/btcwallet/btcwallet.go | 28 +++++++++++++++++++++------- lnwallet/interface.go | 12 +++++++----- lnwallet/mock.go | 13 +++++++++---- lnwallet/rpcwallet/rpcwallet.go | 8 +++++--- lnwallet/test/test_interface.go | 20 ++++++++++---------- rpcserver.go | 6 +++--- 8 files changed, 66 insertions(+), 38 deletions(-) diff --git a/lnrpc/walletrpc/walletkit_server.go b/lnrpc/walletrpc/walletkit_server.go index 4c39965155..6ee5783ecd 100644 --- a/lnrpc/walletrpc/walletkit_server.go +++ b/lnrpc/walletrpc/walletkit_server.go @@ -811,8 +811,8 @@ func (w *WalletKit) SendOutputs(ctx context.Context, // requirement, we can request that the wallet attempts to create this // transaction. tx, err := w.cfg.Wallet.SendOutputs( - outputsToCreate, chainfee.SatPerKWeight(req.SatPerKw), minConfs, - label, coinSelectionStrategy, + nil, outputsToCreate, chainfee.SatPerKWeight(req.SatPerKw), + minConfs, label, coinSelectionStrategy, ) if err != nil { return nil, err diff --git a/lntest/mock/walletcontroller.go b/lntest/mock/walletcontroller.go index 52aecb3820..7af22e0383 100644 --- a/lntest/mock/walletcontroller.go +++ b/lntest/mock/walletcontroller.go @@ -16,6 +16,7 @@ import ( base "github.com/btcsuite/btcwallet/wallet" "github.com/btcsuite/btcwallet/wallet/txauthor" "github.com/btcsuite/btcwallet/wtxmgr" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" ) @@ -33,6 +34,10 @@ type WalletController struct { Utxos []*lnwallet.Utxo } +// A compile time check to ensure this mocked WalletController implements the +// WalletController. +var _ lnwallet.WalletController = (*WalletController)(nil) + // BackEnd returns "mock" to signify a mock wallet controller. func (w *WalletController) BackEnd() string { return "mock" @@ -140,15 +145,15 @@ func (w *WalletController) ImportTaprootScript(waddrmgr.KeyScope, } // SendOutputs currently returns dummy values. -func (w *WalletController) SendOutputs([]*wire.TxOut, - chainfee.SatPerKWeight, int32, string, - base.CoinSelectionStrategy) (*wire.MsgTx, error) { +func (w *WalletController) SendOutputs(fn.Set[wire.OutPoint], []*wire.TxOut, + chainfee.SatPerKWeight, int32, string, base.CoinSelectionStrategy) ( + *wire.MsgTx, error) { return nil, nil } // CreateSimpleTx currently returns dummy values. -func (w *WalletController) CreateSimpleTx([]*wire.TxOut, +func (w *WalletController) CreateSimpleTx(fn.Set[wire.OutPoint], []*wire.TxOut, chainfee.SatPerKWeight, int32, base.CoinSelectionStrategy, bool) (*txauthor.AuthoredTx, error) { diff --git a/lnwallet/btcwallet/btcwallet.go b/lnwallet/btcwallet/btcwallet.go index 1094a052c4..b3f9b4f9b1 100644 --- a/lnwallet/btcwallet/btcwallet.go +++ b/lnwallet/btcwallet/btcwallet.go @@ -19,6 +19,7 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btcwallet/chain" "github.com/btcsuite/btcwallet/waddrmgr" + "github.com/btcsuite/btcwallet/wallet" base "github.com/btcsuite/btcwallet/wallet" "github.com/btcsuite/btcwallet/wallet/txauthor" "github.com/btcsuite/btcwallet/wallet/txrules" @@ -26,6 +27,7 @@ import ( "github.com/btcsuite/btcwallet/wtxmgr" "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/blockcache" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/kvdb" @@ -977,8 +979,9 @@ func (b *BtcWallet) ImportTaprootScript(scope waddrmgr.KeyScope, // NOTE: This method requires the global coin selection lock to be held. // // This is a part of the WalletController interface. -func (b *BtcWallet) SendOutputs(outputs []*wire.TxOut, - feeRate chainfee.SatPerKWeight, minConfs int32, label string, +func (b *BtcWallet) SendOutputs(inputs fn.Set[wire.OutPoint], + outputs []*wire.TxOut, feeRate chainfee.SatPerKWeight, + minConfs int32, label string, strategy base.CoinSelectionStrategy) (*wire.MsgTx, error) { // Convert our fee rate from sat/kw to sat/kb since it's required by @@ -995,6 +998,14 @@ func (b *BtcWallet) SendOutputs(outputs []*wire.TxOut, return nil, lnwallet.ErrInvalidMinconf } + // Use selected UTXOs if specified, otherwise default selection. + if len(inputs) != 0 { + return b.wallet.SendOutputsWithInput( + outputs, nil, defaultAccount, minConfs, feeSatPerKB, + strategy, label, inputs.ToSlice(), + ) + } + return b.wallet.SendOutputs( outputs, nil, defaultAccount, minConfs, feeSatPerKB, strategy, label, @@ -1014,10 +1025,10 @@ func (b *BtcWallet) SendOutputs(outputs []*wire.TxOut, // NOTE: This method requires the global coin selection lock to be held. // // This is a part of the WalletController interface. -func (b *BtcWallet) CreateSimpleTx(outputs []*wire.TxOut, - feeRate chainfee.SatPerKWeight, minConfs int32, - strategy base.CoinSelectionStrategy, - dryRun bool) (*txauthor.AuthoredTx, error) { +func (b *BtcWallet) CreateSimpleTx(inputs fn.Set[wire.OutPoint], + outputs []*wire.TxOut, feeRate chainfee.SatPerKWeight, minConfs int32, + strategy base.CoinSelectionStrategy, dryRun bool) ( + *txauthor.AuthoredTx, error) { // The fee rate is passed in using units of sat/kw, so we'll convert // this to sat/KB as the CreateSimpleTx method requires this unit. @@ -1047,9 +1058,12 @@ func (b *BtcWallet) CreateSimpleTx(outputs []*wire.TxOut, } } + // Add the optional inputs to the transaction. + optFunc := wallet.WithCustomSelectUtxos(inputs.ToSlice()) + return b.wallet.CreateSimpleTx( nil, defaultAccount, outputs, minConfs, feeSatPerKB, - strategy, dryRun, + strategy, dryRun, []wallet.TxCreateOption{optFunc}..., ) } diff --git a/lnwallet/interface.go b/lnwallet/interface.go index a48e925607..af5955d8e6 100644 --- a/lnwallet/interface.go +++ b/lnwallet/interface.go @@ -18,6 +18,7 @@ import ( base "github.com/btcsuite/btcwallet/wallet" "github.com/btcsuite/btcwallet/wallet/txauthor" "github.com/btcsuite/btcwallet/wtxmgr" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lnwallet/chainfee" ) @@ -344,8 +345,8 @@ type WalletController interface { // be used when crafting the transaction. // // NOTE: This method requires the global coin selection lock to be held. - SendOutputs(outputs []*wire.TxOut, feeRate chainfee.SatPerKWeight, - minConfs int32, label string, + SendOutputs(inputs fn.Set[wire.OutPoint], outputs []*wire.TxOut, + feeRate chainfee.SatPerKWeight, minConfs int32, label string, strategy base.CoinSelectionStrategy) (*wire.MsgTx, error) // CreateSimpleTx creates a Bitcoin transaction paying to the specified @@ -360,9 +361,10 @@ type WalletController interface { // SHOULD NOT be broadcasted. // // NOTE: This method requires the global coin selection lock to be held. - CreateSimpleTx(outputs []*wire.TxOut, feeRate chainfee.SatPerKWeight, - minConfs int32, strategy base.CoinSelectionStrategy, - dryRun bool) (*txauthor.AuthoredTx, error) + CreateSimpleTx(inputs fn.Set[wire.OutPoint], outputs []*wire.TxOut, + feeRate chainfee.SatPerKWeight, minConfs int32, + strategy base.CoinSelectionStrategy, dryRun bool) ( + *txauthor.AuthoredTx, error) // GetTransactionDetails returns a detailed description of a transaction // given its transaction hash. diff --git a/lnwallet/mock.go b/lnwallet/mock.go index 1873de79a8..e6bd0b2e41 100644 --- a/lnwallet/mock.go +++ b/lnwallet/mock.go @@ -17,6 +17,7 @@ import ( "github.com/btcsuite/btcwallet/wallet/txauthor" "github.com/btcsuite/btcwallet/wtxmgr" "github.com/lightningnetwork/lnd/chainntnfs" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/lnwallet/chainfee" ) @@ -35,6 +36,10 @@ type mockWalletController struct { Utxos []*Utxo } +// A compile time check to ensure that mockWalletController implements the +// WalletController. +var _ WalletController = (*mockWalletController)(nil) + // BackEnd returns "mock" to signify a mock wallet controller. func (w *mockWalletController) BackEnd() string { return "mock" @@ -145,7 +150,7 @@ func (w *mockWalletController) ImportTaprootScript(waddrmgr.KeyScope, } // SendOutputs currently returns dummy values. -func (w *mockWalletController) SendOutputs([]*wire.TxOut, +func (w *mockWalletController) SendOutputs(fn.Set[wire.OutPoint], []*wire.TxOut, chainfee.SatPerKWeight, int32, string, base.CoinSelectionStrategy) (*wire.MsgTx, error) { @@ -153,9 +158,9 @@ func (w *mockWalletController) SendOutputs([]*wire.TxOut, } // CreateSimpleTx currently returns dummy values. -func (w *mockWalletController) CreateSimpleTx([]*wire.TxOut, - chainfee.SatPerKWeight, int32, base.CoinSelectionStrategy, - bool) (*txauthor.AuthoredTx, error) { +func (w *mockWalletController) CreateSimpleTx(fn.Set[wire.OutPoint], + []*wire.TxOut, chainfee.SatPerKWeight, int32, + base.CoinSelectionStrategy, bool) (*txauthor.AuthoredTx, error) { return nil, nil } diff --git a/lnwallet/rpcwallet/rpcwallet.go b/lnwallet/rpcwallet/rpcwallet.go index 13f4355796..c702174163 100644 --- a/lnwallet/rpcwallet/rpcwallet.go +++ b/lnwallet/rpcwallet/rpcwallet.go @@ -22,6 +22,7 @@ import ( "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btcwallet/waddrmgr" basewallet "github.com/btcsuite/btcwallet/wallet" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/lncfg" @@ -120,12 +121,13 @@ func (r *RPCKeyRing) NewAddress(addrType lnwallet.AddressType, change bool, // NOTE: This is a part of the WalletController interface. // // NOTE: This method only signs with BIP49/84 keys. -func (r *RPCKeyRing) SendOutputs(outputs []*wire.TxOut, - feeRate chainfee.SatPerKWeight, minConfs int32, label string, +func (r *RPCKeyRing) SendOutputs(inputs fn.Set[wire.OutPoint], + outputs []*wire.TxOut, feeRate chainfee.SatPerKWeight, + minConfs int32, label string, strategy basewallet.CoinSelectionStrategy) (*wire.MsgTx, error) { tx, err := r.WalletController.SendOutputs( - outputs, feeRate, minConfs, label, strategy, + inputs, outputs, feeRate, minConfs, label, strategy, ) if err != nil && err != basewallet.ErrTxUnsigned { return nil, err diff --git a/lnwallet/test/test_interface.go b/lnwallet/test/test_interface.go index dfabdc7411..bcb396cafa 100644 --- a/lnwallet/test/test_interface.go +++ b/lnwallet/test/test_interface.go @@ -169,7 +169,7 @@ func sendCoins(t *testing.T, miner *rpctest.Harness, t.Helper() tx, err := sender.SendOutputs( - []*wire.TxOut{output}, feeRate, minConf, labels.External, + nil, []*wire.TxOut{output}, feeRate, minConf, labels.External, sender.Cfg.CoinSelectionStrategy, ) require.NoError(t, err, "unable to send transaction") @@ -1193,7 +1193,7 @@ func testListTransactionDetails(miner *rpctest.Harness, require.NoError(t, err, "unable to make output script") burnOutput := wire.NewTxOut(outputAmt, outputScript) burnTX, err := alice.SendOutputs( - []*wire.TxOut{burnOutput}, 2500, 1, labels.External, + nil, []*wire.TxOut{burnOutput}, 2500, 1, labels.External, alice.Cfg.CoinSelectionStrategy, ) require.NoError(t, err, "unable to create burn tx") @@ -1453,7 +1453,7 @@ func testTransactionSubscriptions(miner *rpctest.Harness, burnOutput := wire.NewTxOut(outputAmt, outputScript) tx, err := alice.SendOutputs( - []*wire.TxOut{burnOutput}, 2500, 1, labels.External, + nil, []*wire.TxOut{burnOutput}, 2500, 1, labels.External, alice.Cfg.CoinSelectionStrategy, ) require.NoError(t, err, "unable to create tx") @@ -1642,7 +1642,7 @@ func newTx(t *testing.T, r *rpctest.Harness, pubKey *btcec.PublicKey, PkScript: keyScript, } tx, err := alice.SendOutputs( - []*wire.TxOut{newOutput}, 2500, 1, labels.External, + nil, []*wire.TxOut{newOutput}, 2500, 1, labels.External, alice.Cfg.CoinSelectionStrategy, ) require.NoError(t, err, "unable to create output") @@ -1958,7 +1958,7 @@ func testSignOutputUsingTweaks(r *rpctest.Harness, PkScript: keyScript, } tx, err := alice.SendOutputs( - []*wire.TxOut{newOutput}, 2500, 1, labels.External, + nil, []*wire.TxOut{newOutput}, 2500, 1, labels.External, alice.Cfg.CoinSelectionStrategy, ) if err != nil { @@ -2077,7 +2077,7 @@ func testReorgWalletBalance(r *rpctest.Harness, w *lnwallet.LightningWallet, PkScript: script, } tx, err := w.SendOutputs( - []*wire.TxOut{output}, 2500, 1, labels.External, + nil, []*wire.TxOut{output}, 2500, 1, labels.External, w.Cfg.CoinSelectionStrategy, ) require.NoError(t, err, "unable to send outputs") @@ -2302,7 +2302,7 @@ func testSpendUnconfirmed(miner *rpctest.Harness, PkScript: alicePkScript, } _, err = bob.SendOutputs( - []*wire.TxOut{output}, txFeeRate, 0, labels.External, + nil, []*wire.TxOut{output}, txFeeRate, 0, labels.External, bob.Cfg.CoinSelectionStrategy, ) if err == nil { @@ -2329,7 +2329,7 @@ func testSpendUnconfirmed(miner *rpctest.Harness, // First, verify that we don't have enough balance to send the coins // using confirmed outputs only. _, err = bob.SendOutputs( - []*wire.TxOut{output}, txFeeRate, 1, labels.External, + nil, []*wire.TxOut{output}, txFeeRate, 1, labels.External, bob.Cfg.CoinSelectionStrategy, ) if err == nil { @@ -2571,7 +2571,7 @@ func testCreateSimpleTx(r *rpctest.Harness, w *lnwallet.LightningWallet, // Now try creating a tx spending to these outputs. createTx, createErr := w.CreateSimpleTx( - outputs, feeRate, minConfs, + nil, outputs, feeRate, minConfs, w.Cfg.CoinSelectionStrategy, true, ) switch { @@ -2590,7 +2590,7 @@ func testCreateSimpleTx(r *rpctest.Harness, w *lnwallet.LightningWallet, // only difference is that the dry run tx is not signed, and // that the change output position might be different. tx, sendErr := w.SendOutputs( - outputs, feeRate, minConfs, labels.External, + nil, outputs, feeRate, minConfs, labels.External, w.Cfg.CoinSelectionStrategy, ) switch { diff --git a/rpcserver.go b/rpcserver.go index 86bc6415c3..5672b7b430 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -1077,7 +1077,7 @@ func (r *rpcServer) sendCoinsOnChain(paymentMap map[string]int64, // We first do a dry run, to sanity check we won't spend our wallet // balance below the reserved amount. authoredTx, err := r.server.cc.Wallet.CreateSimpleTx( - outputs, feeRate, minConfs, strategy, true, + nil, outputs, feeRate, minConfs, strategy, true, ) if err != nil { return nil, err @@ -1098,7 +1098,7 @@ func (r *rpcServer) sendCoinsOnChain(paymentMap map[string]int64, // If that checks out, we're fairly confident that creating sending to // these outputs will keep the wallet balance above the reserve. tx, err := r.server.cc.Wallet.SendOutputs( - outputs, feeRate, minConfs, label, strategy, + nil, outputs, feeRate, minConfs, label, strategy, ) if err != nil { return nil, err @@ -1207,7 +1207,7 @@ func (r *rpcServer) EstimateFee(ctx context.Context, wallet := r.server.cc.Wallet err = wallet.WithCoinSelectLock(func() error { tx, err = wallet.CreateSimpleTx( - outputs, feePerKw, minConfs, coinSelectionStrategy, + nil, outputs, feePerKw, minConfs, coinSelectionStrategy, true, ) return err From 13bad2c20c30dc07dbb2dff8219cf58624a0d504 Mon Sep 17 00:00:00 2001 From: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> Date: Sat, 30 Mar 2024 09:43:33 +0100 Subject: [PATCH 273/343] sweep: Add selectUtxos to CraftSweepAllTx args --- rpcserver.go | 4 +-- sweep/walletsweep.go | 74 +++++++++++++++++++++++++++++---------- sweep/walletsweep_test.go | 62 ++++++++++++++++++++++++++++++-- 3 files changed, 117 insertions(+), 23 deletions(-) diff --git a/rpcserver.go b/rpcserver.go index 5672b7b430..20fdf56dbf 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -1363,7 +1363,7 @@ func (r *rpcServer) SendCoins(ctx context.Context, sweepTxPkg, err := sweep.CraftSweepAllTx( feePerKw, maxFeeRate, uint32(bestHeight), nil, targetAddr, wallet, wallet, wallet.WalletController, - r.server.cc.Signer, minConfs, + r.server.cc.Signer, minConfs, nil, ) if err != nil { return nil, err @@ -1417,7 +1417,7 @@ func (r *rpcServer) SendCoins(ctx context.Context, feePerKw, maxFeeRate, uint32(bestHeight), outputs, targetAddr, wallet, wallet, wallet.WalletController, - r.server.cc.Signer, minConfs, + r.server.cc.Signer, minConfs, nil, ) if err != nil { return nil, err diff --git a/sweep/walletsweep.go b/sweep/walletsweep.go index 7338550682..919e5f1d51 100644 --- a/sweep/walletsweep.go +++ b/sweep/walletsweep.go @@ -10,10 +10,12 @@ import ( "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btcwallet/wtxmgr" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/input" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" "github.com/lightningnetwork/lnd/lnwallet/chanfunding" + "golang.org/x/exp/maps" ) var ( @@ -24,6 +26,10 @@ var ( // ErrFeePreferenceConflict is returned when both a fee rate and a conf // target is set for a fee preference. ErrFeePreferenceConflict = errors.New("fee preference conflict") + + // ErrUnknownUTXO is returned when creating a sweeping tx using an UTXO + // that's unknown to the wallet. + ErrUnknownUTXO = errors.New("unknown utxo") ) // FeePreference defines an interface that allows the caller to specify how the @@ -181,11 +187,11 @@ type OutputLeaser interface { } // WalletSweepPackage is a package that gives the caller the ability to sweep -// ALL funds from a wallet in a single transaction. We also package a function -// closure that allows one to abort the operation. +// relevant funds from a wallet in a single transaction. We also package a +// function closure that allows one to abort the operation. type WalletSweepPackage struct { // SweepTx is a fully signed, and valid transaction that is broadcast, - // will sweep ALL confirmed coins in the wallet with a single + // will sweep ALL relevant confirmed coins in the wallet with a single // transaction. SweepTx *wire.MsgTx @@ -208,27 +214,28 @@ type DeliveryAddr struct { } // CraftSweepAllTx attempts to craft a WalletSweepPackage which will allow the -// caller to sweep ALL outputs within the wallet to a list of outputs. Any -// leftover amount after these outputs and transaction fee, is sent to a single -// output, as specified by the change address. The sweep transaction will be -// crafted with the target fee rate, and will use the utxoSource and -// outputLeaser as sources for wallet funds. +// caller to sweep ALL funds in ALL or SELECT outputs within the wallet to a +// list of outputs. Any leftover amount after these outputs and transaction fee, +// is sent to a single output, as specified by the change address. The sweep +// transaction will be crafted with the target fee rate, and will use the +// utxoSource and outputLeaser as sources for wallet funds. func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, blockHeight uint32, deliveryAddrs []DeliveryAddr, changeAddr btcutil.Address, coinSelectLocker CoinSelectionLocker, utxoSource UtxoSource, outputLeaser OutputLeaser, - signer input.Signer, minConfs int32) (*WalletSweepPackage, error) { + signer input.Signer, minConfs int32, + selectUtxos fn.Set[wire.OutPoint]) (*WalletSweepPackage, error) { // TODO(roasbeef): turn off ATPL as well when available? - var allOutputs []*lnwallet.Utxo + var outputsForSweep []*lnwallet.Utxo // We'll make a function closure up front that allows us to unlock all // selected outputs to ensure that they become available again in the // case of an error after the outputs have been locked, but before we // can actually craft a sweeping transaction. unlockOutputs := func() { - for _, utxo := range allOutputs { + for _, utxo := range outputsForSweep { // Log the error but continue since we're already // handling an error. err := outputLeaser.ReleaseOutput( @@ -242,9 +249,9 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, } // Next, we'll use the coinSelectLocker to ensure that no coin - // selection takes place while we fetch and lock all outputs the wallet - // knows of. Otherwise, it may be possible for a new funding flow to - // lock an output while we fetch the set of unspent witnesses. + // selection takes place while we fetch and lock outputs in the + // wallet. Otherwise, it may be possible for a new funding flow to lock + // an output while we fetch the set of unspent witnesses. err := coinSelectLocker.WithCoinSelectLock(func() error { log.Trace("[WithCoinSelectLock] entered the lock") @@ -260,6 +267,16 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, log.Trace("[WithCoinSelectLock] finished fetching UTXOs") + // Use select utxos, if provided. + if len(selectUtxos) > 0 { + utxos, err = fetchUtxosFromOutpoints( + utxos, selectUtxos.ToSlice(), + ) + if err != nil { + return err + } + } + // We'll now lock each UTXO to ensure that other callers don't // attempt to use these UTXOs in transactions while we're // crafting out sweep all transaction. @@ -278,7 +295,7 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, log.Trace("[WithCoinSelectLock] exited the lock") - allOutputs = append(allOutputs, utxos...) + outputsForSweep = append(outputsForSweep, utxos...) return nil }) @@ -287,15 +304,15 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, // in case we had any lingering outputs. unlockOutputs() - return nil, fmt.Errorf("unable to fetch+lock wallet "+ - "utxos: %v", err) + return nil, fmt.Errorf("unable to fetch+lock wallet utxos: %w", + err) } // Now that we've locked all the potential outputs to sweep, we'll // assemble an input for each of them, so we can hand it off to the // sweeper to generate and sign a transaction for us. var inputsToSweep []input.Input - for _, output := range allOutputs { + for _, output := range outputsForSweep { // As we'll be signing for outputs under control of the wallet, // we only need to populate the output value and output script. // The rest of the items will be populated internally within @@ -390,3 +407,24 @@ func CraftSweepAllTx(feeRate, maxFeeRate chainfee.SatPerKWeight, CancelSweepAttempt: unlockOutputs, }, nil } + +// fetchUtxosFromOutpoints returns UTXOs for given outpoints. Errors if any +// outpoint is not in the passed slice of utxos. +func fetchUtxosFromOutpoints(utxos []*lnwallet.Utxo, + outpoints []wire.OutPoint) ([]*lnwallet.Utxo, error) { + + lookup := fn.SliceToMap(utxos, func(utxo *lnwallet.Utxo) wire.OutPoint { + return utxo.OutPoint + }, func(utxo *lnwallet.Utxo) *lnwallet.Utxo { + return utxo + }) + + subMap, err := fn.NewSubMap(lookup, outpoints) + if err != nil { + return nil, fmt.Errorf("%w: %v", ErrUnknownUTXO, err.Error()) + } + + fetchedUtxos := maps.Values(subMap) + + return fetchedUtxos, nil +} diff --git a/sweep/walletsweep_test.go b/sweep/walletsweep_test.go index c4d1681a0f..f5ed0283e7 100644 --- a/sweep/walletsweep_test.go +++ b/sweep/walletsweep_test.go @@ -12,6 +12,7 @@ import ( "github.com/btcsuite/btcd/txscript" "github.com/btcsuite/btcd/wire" "github.com/btcsuite/btcwallet/wtxmgr" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/lntest/mock" "github.com/lightningnetwork/lnd/lnwallet" "github.com/lightningnetwork/lnd/lnwallet/chainfee" @@ -339,7 +340,7 @@ func TestCraftSweepAllTxCoinSelectFail(t *testing.T) { _, err := CraftSweepAllTx( 0, 0, 10, nil, nil, coinSelectLocker, utxoSource, utxoLeaser, - nil, 0, + nil, 0, nil, ) // Since we instructed the coin select locker to fail above, we should @@ -365,7 +366,7 @@ func TestCraftSweepAllTxUnknownWitnessType(t *testing.T) { _, err := CraftSweepAllTx( 0, 0, 10, nil, nil, coinSelectLocker, utxoSource, utxoLeaser, - nil, 0, + nil, 0, nil, ) // Since passed in a p2wsh output, which is unknown, we should fail to @@ -399,7 +400,7 @@ func TestCraftSweepAllTx(t *testing.T) { sweepPkg, err := CraftSweepAllTx( 0, 0, 10, nil, deliveryAddr, coinSelectLocker, utxoSource, - utxoLeaser, signer, 0, + utxoLeaser, signer, 0, nil, ) require.NoError(t, err, "unable to make sweep tx") @@ -440,3 +441,58 @@ func TestCraftSweepAllTx(t *testing.T) { sweepPkg.CancelSweepAttempt() assertUtxosReleased(t, utxoLeaser, testUtxos[:2]) } + +// TestCraftSweepAllTxWithSelectedUTXO tests that we'll properly lock the +// selected outputs within the wallet, and craft a single sweep transaction +// that pays to the target output. +func TestCraftSweepAllTxWithSelectedUTXO(t *testing.T) { + t.Parallel() + + // First, we'll make a mock signer along with a fee estimator, We'll + // use zero fees to we can assert a precise output value. + signer := &mock.DummySigner{} + + // Grab the first UTXO from the test UTXOs. + utxo1 := testUtxos[0] + utxoSource := newMockUtxoSource([]*lnwallet.Utxo{utxo1}) + coinSelectLocker := &mockCoinSelectionLocker{} + utxoLeaser := newMockOutputLeaser() + + // Create an unknown utxo. + outpointUknown := wire.OutPoint{Index: 4} + + // Sweep using the uknnown utxo and expect an error. + sweepPkg, err := CraftSweepAllTx( + 0, 0, 10, nil, deliveryAddr, coinSelectLocker, utxoSource, + utxoLeaser, signer, 0, fn.NewSet(outpointUknown), + ) + require.ErrorIs(t, err, ErrUnknownUTXO) + require.Nil(t, sweepPkg) + + // Sweep again using the known utxo and expect no error. + sweepPkg, err = CraftSweepAllTx( + 0, 0, 10, nil, deliveryAddr, coinSelectLocker, utxoSource, + utxoLeaser, signer, 0, fn.NewSet(utxo1.OutPoint), + ) + require.NoError(t, err) + + // At this point utxo1 should be locked. + assertUtxosLeased(t, utxoLeaser, []*lnwallet.Utxo{utxo1}) + assertNoUtxosReleased(t, utxoLeaser, []*lnwallet.Utxo{utxo1}) + + // Validate the sweeping tx has the expected shape. + sweepTx := sweepPkg.SweepTx + require.Len(t, sweepTx.TxIn, 1) + require.Len(t, sweepTx.TxOut, 1) + + // We should have a single output that pays to our sweep script + // generated above. + expectedSweepValue := utxo1.Value + require.Equal(t, sweepScript, sweepTx.TxOut[0].PkScript) + require.EqualValues(t, expectedSweepValue, sweepTx.TxOut[0].Value) + + // If we cancel the sweep attempt, then we should find utxo1 to be + // unlocked. + sweepPkg.CancelSweepAttempt() + assertUtxosReleased(t, utxoLeaser, []*lnwallet.Utxo{utxo1}) +} From b50a1e636028c774486fa2d80715f261ada714e9 Mon Sep 17 00:00:00 2001 From: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> Date: Wed, 22 May 2024 12:00:28 +0100 Subject: [PATCH 274/343] lnd: modify sendcoin rpc impl for select utxos Signed-off-by: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> --- rpcserver.go | 41 +++++++++++++++++++++++++++++------------ 1 file changed, 29 insertions(+), 12 deletions(-) diff --git a/rpcserver.go b/rpcserver.go index 20fdf56dbf..d073a56c10 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -1067,7 +1067,8 @@ func allowCORS(handler http.Handler, origins []string) http.Handler { // address to a specified output value to be sent to that address. func (r *rpcServer) sendCoinsOnChain(paymentMap map[string]int64, feeRate chainfee.SatPerKWeight, minConfs int32, label string, - strategy wallet.CoinSelectionStrategy) (*chainhash.Hash, error) { + strategy wallet.CoinSelectionStrategy, + selectedUtxos fn.Set[wire.OutPoint]) (*chainhash.Hash, error) { outputs, err := addrPairsToOutputs(paymentMap, r.cfg.ActiveNetParams.Params) if err != nil { @@ -1077,7 +1078,7 @@ func (r *rpcServer) sendCoinsOnChain(paymentMap map[string]int64, // We first do a dry run, to sanity check we won't spend our wallet // balance below the reserved amount. authoredTx, err := r.server.cc.Wallet.CreateSimpleTx( - nil, outputs, feeRate, minConfs, strategy, true, + selectedUtxos, outputs, feeRate, minConfs, strategy, true, ) if err != nil { return nil, err @@ -1098,7 +1099,7 @@ func (r *rpcServer) sendCoinsOnChain(paymentMap map[string]int64, // If that checks out, we're fairly confident that creating sending to // these outputs will keep the wallet balance above the reserve. tx, err := r.server.cc.Wallet.SendOutputs( - nil, outputs, feeRate, minConfs, label, strategy, + selectedUtxos, outputs, feeRate, minConfs, label, strategy, ) if err != nil { return nil, err @@ -1290,9 +1291,9 @@ func (r *rpcServer) SendCoins(ctx context.Context, } rpcsLog.Infof("[sendcoins] addr=%v, amt=%v, sat/kw=%v, min_confs=%v, "+ - "send_all=%v", + "send_all=%v, select_outpoints=%v", in.Addr, btcutil.Amount(in.Amount), int64(feePerKw), minConfs, - in.SendAll) + in.SendAll, len(in.Outpoints)) // Decode the address receiving the coins, we need to check whether the // address is valid for this network. @@ -1337,6 +1338,22 @@ func (r *rpcServer) SendCoins(ctx context.Context, wallet := r.server.cc.Wallet maxFeeRate := r.cfg.Sweeper.MaxFeeRate.FeePerKWeight() + var selectOutpoints fn.Set[wire.OutPoint] + if len(in.Outpoints) != 0 { + wireOutpoints, err := toWireOutpoints(in.Outpoints) + if err != nil { + return nil, fmt.Errorf("can't create outpoints "+ + "%w", err) + } + + if fn.HasDuplicates(wireOutpoints) { + return nil, fmt.Errorf("selected outpoints contain " + + "duplicate values") + } + + selectOutpoints = fn.NewSet(wireOutpoints...) + } + // If the send all flag is active, then we'll attempt to sweep all the // coins in the wallet in a single transaction (if possible), // otherwise, we'll respect the amount, and attempt a regular 2-output @@ -1363,7 +1380,7 @@ func (r *rpcServer) SendCoins(ctx context.Context, sweepTxPkg, err := sweep.CraftSweepAllTx( feePerKw, maxFeeRate, uint32(bestHeight), nil, targetAddr, wallet, wallet, wallet.WalletController, - r.server.cc.Signer, minConfs, nil, + r.server.cc.Signer, minConfs, selectOutpoints, ) if err != nil { return nil, err @@ -1417,7 +1434,7 @@ func (r *rpcServer) SendCoins(ctx context.Context, feePerKw, maxFeeRate, uint32(bestHeight), outputs, targetAddr, wallet, wallet, wallet.WalletController, - r.server.cc.Signer, minConfs, nil, + r.server.cc.Signer, minConfs, selectOutpoints, ) if err != nil { return nil, err @@ -1443,7 +1460,7 @@ func (r *rpcServer) SendCoins(ctx context.Context, return nil, err } - rpcsLog.Debugf("Sweeping all coins from wallet to addr=%v, "+ + rpcsLog.Debugf("Sweeping coins from wallet to addr=%v, "+ "with tx=%v", in.Addr, spew.Sdump(sweepTxPkg.SweepTx)) // As our sweep transaction was created, successfully, we'll @@ -1468,8 +1485,8 @@ func (r *rpcServer) SendCoins(ctx context.Context, paymentMap := map[string]int64{targetAddr.String(): in.Amount} err := wallet.WithCoinSelectLock(func() error { newTXID, err := r.sendCoinsOnChain( - paymentMap, feePerKw, minConfs, - label, coinSelectionStrategy, + paymentMap, feePerKw, minConfs, label, + coinSelectionStrategy, selectOutpoints, ) if err != nil { return err @@ -1540,8 +1557,8 @@ func (r *rpcServer) SendMany(ctx context.Context, wallet := r.server.cc.Wallet err = wallet.WithCoinSelectLock(func() error { sendManyTXID, err := r.sendCoinsOnChain( - in.AddrToAmount, feePerKw, minConfs, - label, coinSelectionStrategy, + in.AddrToAmount, feePerKw, minConfs, label, + coinSelectionStrategy, nil, ) if err != nil { return err From 900d7fdd17bfb550ec5b1b4507f649a5018b2a87 Mon Sep 17 00:00:00 2001 From: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> Date: Sun, 3 Mar 2024 21:06:33 +0100 Subject: [PATCH 275/343] cmd: Export and move `utxosToOutpoint`. Signed-off-by: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> --- cmd/lncli/cmd_open_channel.go | 20 +------------------- cmd/lncli/types.go | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+), 19 deletions(-) diff --git a/cmd/lncli/cmd_open_channel.go b/cmd/lncli/cmd_open_channel.go index e3044c835d..f0585ed47a 100644 --- a/cmd/lncli/cmd_open_channel.go +++ b/cmd/lncli/cmd_open_channel.go @@ -406,7 +406,7 @@ func openChannel(ctx *cli.Context) error { if ctx.IsSet("utxo") { utxos := ctx.StringSlice("utxo") - outpoints, err := utxosToOutpoints(utxos) + outpoints, err := UtxosToOutpoints(utxos) if err != nil { return fmt.Errorf("unable to decode utxos: %w", err) } @@ -1141,21 +1141,3 @@ func decodePsbt(psbt string) ([]byte, error) { return nil, fmt.Errorf("not a PSBT") } } - -// parseUtxos parses a comma separated list of utxos into outpoints that are -// passed to the server. -func utxosToOutpoints(utxos []string) ([]*lnrpc.OutPoint, error) { - var outpoints []*lnrpc.OutPoint - if len(utxos) == 0 { - return nil, fmt.Errorf("no utxos specified") - } - for _, utxo := range utxos { - outpoint, err := NewProtoOutPoint(utxo) - if err != nil { - return nil, err - } - outpoints = append(outpoints, outpoint) - } - - return outpoints, nil -} diff --git a/cmd/lncli/types.go b/cmd/lncli/types.go index b878811a0a..a93d3e2c68 100644 --- a/cmd/lncli/types.go +++ b/cmd/lncli/types.go @@ -85,3 +85,22 @@ func NewFailedUpdateFromProto(update *lnrpc.FailedUpdate) *FailedUpdate { UpdateError: update.UpdateError, } } + +// UtxosToOutpoints converts a slice of UTXO strings into a slice of OutPoint +// protobuf objects. It returns an error if no UTXOs are specified or if any +// UTXO string cannot be parsed into an OutPoint. +func UtxosToOutpoints(utxos []string) ([]*lnrpc.OutPoint, error) { + var outpoints []*lnrpc.OutPoint + if len(utxos) == 0 { + return nil, fmt.Errorf("no utxos specified") + } + for _, utxo := range utxos { + outpoint, err := NewProtoOutPoint(utxo) + if err != nil { + return nil, err + } + outpoints = append(outpoints, outpoint) + } + + return outpoints, nil +} From 018484628ad911989632129d6e95ad93b3735e8d Mon Sep 17 00:00:00 2001 From: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> Date: Wed, 22 May 2024 12:02:04 +0100 Subject: [PATCH 276/343] lncli: Add `outpoints` flag to sendcoins command Signed-off-by: Ononiwu Maureen <59079323+Chinwendu20@users.noreply.github.com> --- cmd/lncli/commands.go | 37 ++++++++++++++++++++++++++++++------- 1 file changed, 30 insertions(+), 7 deletions(-) diff --git a/cmd/lncli/commands.go b/cmd/lncli/commands.go index 04a70f9032..fefef6ab28 100644 --- a/cmd/lncli/commands.go +++ b/cmd/lncli/commands.go @@ -288,10 +288,11 @@ var sendCoinsCommand = cli.Command{ }, cli.BoolFlag{ Name: "sweepall", - Usage: "if set, then the amount field will be ignored, " + - "and the wallet will attempt to sweep all " + - "outputs within the wallet to the target " + - "address", + Usage: "if set, then the amount field should be " + + "unset. This indicates that the wallet will " + + "attempt to sweep all outputs within the " + + "wallet or all funds in select utxos (when " + + "supplied) to the target address", }, cli.Int64Flag{ Name: "amt", @@ -330,6 +331,17 @@ var sendCoinsCommand = cli.Command{ "scripts", }, coinSelectionStrategyFlag, + cli.StringSliceFlag{ + Name: "utxo", + Usage: "a utxo specified as outpoint(tx:idx) which " + + "will be used as input for the transaction. " + + "This flag can be repeatedly used to specify " + + "multiple utxos as inputs. The selected " + + "utxos can either be entirely spent by " + + "specifying the sweepall flag or a specified " + + "amount can be spent in the utxos through " + + "the amt flag", + }, txLabelFlag, }, Action: actionDecorator(sendCoins), @@ -337,9 +349,10 @@ var sendCoinsCommand = cli.Command{ func sendCoins(ctx *cli.Context) error { var ( - addr string - amt int64 - err error + addr string + amt int64 + err error + outpoints []*lnrpc.OutPoint ) ctxc := getContext() args := ctx.Args() @@ -417,6 +430,15 @@ func sendCoins(ctx *cli.Context) error { displayAmt = balanceResponse.GetConfirmedBalance() } + if ctx.IsSet("utxo") { + utxos := ctx.StringSlice("utxo") + + outpoints, err = UtxosToOutpoints(utxos) + if err != nil { + return fmt.Errorf("unable to decode utxos: %w", err) + } + } + // Ask for confirmation if we're on an actual terminal and the output is // not being redirected to another command. This prevents existing shell // scripts from breaking. @@ -440,6 +462,7 @@ func sendCoins(ctx *cli.Context) error { MinConfs: minConfs, SpendUnconfirmed: minConfs == 0, CoinSelectionStrategy: coinSelectionStrategy, + Outpoints: outpoints, } txid, err := client.SendCoins(ctxc, req) if err != nil { From 0041426e7e49f3c42d71c636e2db45939a5ba293 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 30 Jul 2024 01:33:47 +0800 Subject: [PATCH 277/343] itest+lntest: return the error from `SendCoinsAssertErr` Also rename the send all coins test for clarity. --- itest/list_on_test.go | 4 ++-- itest/lnd_misc_test.go | 22 ++++++++++++++-------- lntest/rpc/lnd.go | 4 +++- 3 files changed, 19 insertions(+), 11 deletions(-) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 7b3c579d62..94bc958cd4 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -46,8 +46,8 @@ var allTestCases = []*lntest.TestCase{ TestFunc: testDataLossProtection, }, { - Name: "sweep coins", - TestFunc: testSweepAllCoins, + Name: "send all coins", + TestFunc: testSendAllCoins, }, { Name: "disconnecting target peer", diff --git a/itest/lnd_misc_test.go b/itest/lnd_misc_test.go index cf3220eaba..7687738fdf 100644 --- a/itest/lnd_misc_test.go +++ b/itest/lnd_misc_test.go @@ -758,9 +758,9 @@ func testAbandonChannel(ht *lntest.HarnessTest) { ht.ForceCloseChannel(bob, chanPoint) } -// testSweepAllCoins tests that we're able to properly sweep all coins from the +// testSendAllCoins tests that we're able to properly sweep all coins from the // wallet into a single target address at the specified fee rate. -func testSweepAllCoins(ht *lntest.HarnessTest) { +func testSendAllCoins(ht *lntest.HarnessTest) { // First, we'll make a new node, Ainz who'll we'll use to test wallet // sweeping. // @@ -777,20 +777,22 @@ func testSweepAllCoins(ht *lntest.HarnessTest) { sendCoinsLabel := "send all coins" // Ensure that we can't send coins to our own Pubkey. - ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + err := ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ Addr: ainz.RPC.GetInfo().IdentityPubkey, SendAll: true, Label: sendCoinsLabel, TargetConf: 6, }) + require.ErrorContains(ht, err, "cannot send coins to pubkeys") // Ensure that we can't send coins to another user's Pubkey. - ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + err = ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ Addr: ht.Alice.RPC.GetInfo().IdentityPubkey, SendAll: true, Label: sendCoinsLabel, TargetConf: 6, }) + require.ErrorContains(ht, err, "cannot send coins to pubkey") // With the two coins above mined, we'll now instruct Ainz to sweep all // the coins to an external address not under its control. We will first @@ -800,20 +802,23 @@ func testSweepAllCoins(ht *lntest.HarnessTest) { // same network as the user. // Send coins to a testnet3 address. - ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + err = ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ Addr: "tb1qfc8fusa98jx8uvnhzavxccqlzvg749tvjw82tg", SendAll: true, Label: sendCoinsLabel, TargetConf: 6, }) + require.ErrorContains(ht, err, "not valid for this network") // Send coins to a mainnet address. - ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + err = ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ Addr: "1MPaXKp5HhsLNjVSqaL7fChE3TVyrTMRT3", SendAll: true, Label: sendCoinsLabel, TargetConf: 6, }) + // TODO(yy): should instead return "not valid for this network". + require.ErrorContains(ht, err, "unknown address type") // TODO(yy): we still allow default values to be used when neither conf // target or fee rate is set in 0.18.0. When future release forbidden @@ -883,7 +888,7 @@ func testSweepAllCoins(ht *lntest.HarnessTest) { // label our transaction with an empty label, and check that we fail as // expected. sweepHash := sweepTx.TxHash() - err := ainz.RPC.LabelTransactionAssertErr( + err = ainz.RPC.LabelTransactionAssertErr( &walletrpc.LabelTransactionRequest{ Txid: sweepHash[:], Label: "", @@ -929,13 +934,14 @@ func testSweepAllCoins(ht *lntest.HarnessTest) { // If we try again, but this time specifying an amount, then the call // should fail. - ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + err = ainz.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ Addr: ht.NewMinerAddress().String(), Amount: 10000, SendAll: true, Label: sendCoinsLabel, TargetConf: 6, }) + require.ErrorContains(ht, err, "amount set while SendAll is active") // With all the edge cases tested, we'll now test the happy paths of // change output types. diff --git a/lntest/rpc/lnd.go b/lntest/rpc/lnd.go index e800b9ca41..f0ed52fd88 100644 --- a/lntest/rpc/lnd.go +++ b/lntest/rpc/lnd.go @@ -378,12 +378,14 @@ func (h *HarnessRPC) SendCoins( // SendCoinsAssertErr sends a given amount of money to the specified address // from the passed node and asserts an error has returned. -func (h *HarnessRPC) SendCoinsAssertErr(req *lnrpc.SendCoinsRequest) { +func (h *HarnessRPC) SendCoinsAssertErr(req *lnrpc.SendCoinsRequest) error { ctxt, cancel := context.WithTimeout(h.runCtx, DefaultTimeout) defer cancel() _, err := h.LN.SendCoins(ctxt, req) require.Error(h, err, "node %s didn't not return an error", h.Name) + + return err } // GetTransactions makes a RPC call to GetTransactions and asserts. From e5423511492b9a1fe995e226d6c8b043ef1fd2e3 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 30 Jul 2024 01:34:27 +0800 Subject: [PATCH 278/343] itest: add `testSendSelectedCoins` to check selected utxos --- itest/list_on_test.go | 8 ++ itest/lnd_misc_test.go | 192 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 200 insertions(+) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 94bc958cd4..063460d210 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -49,6 +49,14 @@ var allTestCases = []*lntest.TestCase{ Name: "send all coins", TestFunc: testSendAllCoins, }, + { + Name: "send selected coins", + TestFunc: testSendSelectedCoins, + }, + { + Name: "send selected coins channel reserve", + TestFunc: testSendSelectedCoinsChannelReserve, + }, { Name: "disconnecting target peer", TestFunc: testDisconnectingTargetPeer, diff --git a/itest/lnd_misc_test.go b/itest/lnd_misc_test.go index 7687738fdf..ae0cbcd54a 100644 --- a/itest/lnd_misc_test.go +++ b/itest/lnd_misc_test.go @@ -1308,3 +1308,195 @@ func testNativeSQLNoMigration(ht *lntest.HarnessTest) { alice.SetExtraArgs(nil) require.NoError(ht, alice.Start(ht.Context())) } + +// testSendSelectedCoins tests that we're able to properly send the selected +// coins from the wallet to a single target address. +func testSendSelectedCoins(ht *lntest.HarnessTest) { + // First, we'll make a new node, Alice who'll we'll use to test wallet + // sweeping. + alice := ht.NewNode("Alice", nil) + + // Next, we'll give Alice exactly 3 utxos of 1 BTC of different address + // types. + ht.FundCoins(btcutil.SatoshiPerBitcoin, alice) + ht.FundCoinsNP2WKH(btcutil.SatoshiPerBitcoin, alice) + ht.FundCoinsP2TR(btcutil.SatoshiPerBitcoin, alice) + + // Get all the utxos in the wallet and assert there are three. + utxos := ht.AssertNumUTXOs(alice, 3) + + // Ensure that we can't send duplicate coins. + // + // Create duplciate outpoints. + dupOutpoints := []*lnrpc.OutPoint{ + utxos[0].Outpoint, + utxos[0].Outpoint, + } + + // Send the duplicate outpoints and assert there's an error. + err := alice.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + Addr: ht.NewMinerAddress().String(), + Outpoints: dupOutpoints, + }) + require.ErrorContains(ht, err, "selected outpoints contain duplicate") + + // Send a selected coin with a specific amount. + // + // We'll send the first utxo with an amount of 0.5 BTC. + amt := btcutil.Amount(0.5 * btcutil.SatoshiPerBitcoin) + alice.RPC.SendCoins(&lnrpc.SendCoinsRequest{ + Addr: ht.NewMinerAddress().String(), + Outpoints: []*lnrpc.OutPoint{ + utxos[0].Outpoint, + }, + Amount: int64(amt), + }) + + // We expect to see the above tx in the mempool. + tx := ht.GetNumTxsFromMempool(1)[0] + + // Assert the tx has the expected shape. It should have 1 input and 2 + // outputs - the input is the selected UTXO, and the outputs are the + // specified amount and the change amount. + require.Len(ht, tx.TxIn, 1) + require.Len(ht, tx.TxOut, 2) + + // Check it's using the selected UTXO as input. + require.Equal(ht, utxos[0].Outpoint.TxidStr, + tx.TxIn[0].PreviousOutPoint.Hash.String()) + + // Mine a block to confirm the above tx. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // We now test we can send the selected coins to a single target + // address with `SendAll` flag. + // + // Get all the utxos in the wallet and assert there are three. + utxos = ht.AssertNumUTXOs(alice, 3) + + // Select the first two coins and send them to a single target address. + alice.RPC.SendCoins(&lnrpc.SendCoinsRequest{ + Addr: ht.NewMinerAddress().String(), + Outpoints: []*lnrpc.OutPoint{ + utxos[0].Outpoint, + utxos[1].Outpoint, + }, + SendAll: true, + }) + + // We expect to see the above tx in the mempool. + tx = ht.GetNumTxsFromMempool(1)[0] + + // Assert the tx has the expected shape. It should have 2 inputs and 1 + // output. + require.Len(ht, tx.TxIn, 2) + require.Len(ht, tx.TxOut, 1) + + // Check it's using the selected UTXOs as inputs. + prevOutpoint1 := tx.TxIn[0].PreviousOutPoint.Hash.String() + prevOutpoint2 := tx.TxIn[1].PreviousOutPoint.Hash.String() + + if prevOutpoint1 == utxos[0].Outpoint.TxidStr { + require.Equal(ht, utxos[1].Outpoint.TxidStr, prevOutpoint2) + } else { + require.Equal(ht, utxos[1].Outpoint.TxidStr, prevOutpoint1) + require.Equal(ht, utxos[0].Outpoint.TxidStr, prevOutpoint2) + } + + // Mine a block to confirm the above tx. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Since the first two UTXOs have been sent to an address outside her + // wallet, Alice should see a single UTXO now. + ht.AssertNumUTXOs(alice, 1) +} + +// testSendSelectedCoinsChannelReserve tests that if sending selected coins +// would violate the channel reserve requirement the RPC call will fail. It +// also checks that change outputs will be created automatically if `SendAll` +// flag is set. +func testSendSelectedCoinsChannelReserve(ht *lntest.HarnessTest) { + chanAmt := btcutil.Amount(100_000) + + // Create a two-hop network: Alice -> Bob. + // + // NOTE: Alice will have one UTXO after the funding. + _, nodes := createSimpleNetwork( + ht, []string{"--protocol.anchors"}, 2, + lntest.OpenChannelParams{ + Amt: chanAmt, + }, + ) + + alice := nodes[0] + + // Fund Alice one more UTXO. + ht.FundCoins(btcutil.SatoshiPerBitcoin, alice) + + // Get all the utxos in the wallet and assert there are two: + // - one from the above `FundCoins`. + // - one from the change output after the channel funding. + utxos := ht.AssertNumUTXOs(alice, 2) + + // Get all the outpoints. + outpoints := []*lnrpc.OutPoint{ + utxos[0].Outpoint, + utxos[1].Outpoint, + } + + // Calculate the total amount of the two UTXOs. + totalAmt := utxos[0].AmountSat + utxos[1].AmountSat + + // Send the total amount of the two UTXOs and expect an error since + // fees cannot be covered. + err := alice.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + Addr: ht.NewMinerAddress().String(), + Outpoints: outpoints, + Amount: totalAmt, + }) + require.ErrorContains(ht, err, "insufficient funds available to "+ + "construct transaction") + + // Get the required reserve amount. + resp := alice.RPC.RequiredReserve( + &walletrpc.RequiredReserveRequest{ + AdditionalPublicChannels: 1, + }, + ) + + // Calculate an amount which, after sending it, would violate the + // channel reserve requirement. + amt := totalAmt - resp.RequiredReserve + + // Send the amount and expect an error since the channel reserve cannot + // be covered. + err = alice.RPC.SendCoinsAssertErr(&lnrpc.SendCoinsRequest{ + Addr: ht.NewMinerAddress().String(), + Outpoints: outpoints, + Amount: amt, + }) + require.ErrorContains(ht, err, "reserved wallet balance invalidated") + + // Finally, check that we can send all the selected coins with the help + // of the `SendAll` flag as it will automatically handle reserving + // change outputs based on the channel reserve requirements. + alice.RPC.SendCoins(&lnrpc.SendCoinsRequest{ + Addr: ht.NewMinerAddress().String(), + Outpoints: outpoints, + SendAll: true, + }) + + // We expect to see the above tx in the mempool. + tx := ht.GetNumTxsFromMempool(1)[0] + + // Assert the tx has the expected shape. It should have 2 inputs and 2 + // outputs. + require.Len(ht, tx.TxIn, 2) + require.Len(ht, tx.TxOut, 2) + + // Mine a block to confirm the above tx. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Alice should have one reserved UTXO now. + ht.AssertNumUTXOs(alice, 1) +} From dcd8269050e69d059d5ad18fb245e6b077476e91 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 30 Jul 2024 17:32:11 +0800 Subject: [PATCH 279/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 0a98e60540..ac3c162a77 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -58,6 +58,36 @@ commitment when the channel was force closed. send payment stream context, or automatically at the end of the timeout period if the user provided `timeout_seconds`. +* The [SendCoinsRequest](https://github.com/lightningnetwork/lnd/pull/8955) now + takes an optional param `Outpoints`, which is a list of `*lnrpc.OutPoint` + that specifies the coins from the wallet to be spent in this RPC call. To + send selected coins to a given address with a given amount, + ```go + req := &lnrpc.SendCoinsRequest{ + Addr: ..., + Amount: ..., + Outpoints: []*lnrpc.OutPoint{ + selected_wallet_utxo_1, + selected_wallet_utxo_2, + }, + } + + SendCoins(req) + ``` + To send selected coins to a given address without change output, + ```go + req := &lnrpc.SendCoinsRequest{ + Addr: ..., + SendAll: true, + Outpoints: []*lnrpc.OutPoint{ + selected_wallet_utxo_1, + selected_wallet_utxo_2, + }, + } + + SendCoins(req) + ``` + ## lncli Additions * [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` @@ -68,6 +98,18 @@ commitment when the channel was force closed. command returns the fee rate estimate for on-chain transactions in sat/kw and sat/vb to achieve a given confirmation target. +* [`sendcoins` now takes an optional utxo + flag](https://github.com/lightningnetwork/lnd/pull/8955). This allows users + to specify the coins that they want to use as inputs for the transaction. To + send selected coins to a given address with a given amount, + ```sh + sendcoins --addr YOUR_ADDR --amt YOUR_AMT --utxo selected_wallet_utxo1 --utxo selected_wallet_utxo2 + ``` + To send selected coins to a given address without change output, + ```sh + sendcoins --addr YOUR_ADDR --utxo selected_wallet_utxo1 --utxo selected_wallet_utxo2 --sweepall + ``` + # Improvements ## Functional Updates From 0928ba0149321cf02dd3099f2a05d73ce2f7edfb Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 6 Nov 2023 16:39:30 +0800 Subject: [PATCH 280/343] routing: fix and enhance logging --- channeldb/payment_control.go | 4 +++- channeldb/payment_control_test.go | 5 +---- routing/payment_lifecycle.go | 8 +++++--- routing/router.go | 3 +++ 4 files changed, 12 insertions(+), 8 deletions(-) diff --git a/channeldb/payment_control.go b/channeldb/payment_control.go index 0eadf4b1f7..6e688cf512 100644 --- a/channeldb/payment_control.go +++ b/channeldb/payment_control.go @@ -424,7 +424,9 @@ func (p *PaymentControl) RegisterAttempt(paymentHash lntypes.Hash, // Ensure we aren't sending more than the total payment amount. sentAmt, _ := payment.SentAmt() if sentAmt+amt > payment.Info.Value { - return ErrValueExceedsAmt + return fmt.Errorf("%w: attempted=%v, payment amount="+ + "%v", ErrValueExceedsAmt, sentAmt+amt, + payment.Info.Value) } htlcsBucket, err := bucket.CreateBucketIfNotExists( diff --git a/channeldb/payment_control_test.go b/channeldb/payment_control_test.go index 5b394edae8..7751ea3677 100644 --- a/channeldb/payment_control_test.go +++ b/channeldb/payment_control_test.go @@ -734,10 +734,7 @@ func TestPaymentControlMultiShard(t *testing.T) { b := *attempt b.AttemptID = 3 _, err = pControl.RegisterAttempt(info.PaymentIdentifier, &b) - if err != ErrValueExceedsAmt { - t.Fatalf("expected ErrValueExceedsAmt, got: %v", - err) - } + require.ErrorIs(t, err, ErrValueExceedsAmt) // Fail the second attempt. a := attempts[1] diff --git a/routing/payment_lifecycle.go b/routing/payment_lifecycle.go index 1d103c5ac5..5244d4d636 100644 --- a/routing/payment_lifecycle.go +++ b/routing/payment_lifecycle.go @@ -179,7 +179,7 @@ func (p *paymentLifecycle) resumePayment(ctx context.Context) ([32]byte, for _, a := range payment.InFlightHTLCs() { a := a - log.Infof("Resuming payment shard %v for payment %v", + log.Infof("Resuming HTLC attempt %v for payment %v", a.AttemptID, p.identifier) p.resultCollector(&a) @@ -463,6 +463,8 @@ func (p *paymentLifecycle) collectResultAsync(attempt *channeldb.HTLCAttempt) { func (p *paymentLifecycle) collectResult(attempt *channeldb.HTLCAttempt) ( *attemptResult, error) { + log.Tracef("Collecting result for attempt %v", spew.Sdump(attempt)) + // We'll retrieve the hash specific to this shard from the // shardTracker, since it will be needed to regenerate the circuit // below. @@ -663,8 +665,8 @@ func (p *paymentLifecycle) createNewPaymentAttempt(rt *route.Route, func (p *paymentLifecycle) sendAttempt( attempt *channeldb.HTLCAttempt) (*attemptResult, error) { - log.Debugf("Attempting to send payment %v (pid=%v)", p.identifier, - attempt.AttemptID) + log.Debugf("Sending HTLC attempt(id=%v, amt=%v) for payment %v", + attempt.AttemptID, attempt.Route.TotalAmount, p.identifier) rt := attempt.Route diff --git a/routing/router.go b/routing/router.go index 4169548c51..4e8e0846b7 100644 --- a/routing/router.go +++ b/routing/router.go @@ -1133,6 +1133,9 @@ func (r *ChannelRouter) SendToRouteSkipTempErr(htlcHash lntypes.Hash, func (r *ChannelRouter) sendToRoute(htlcHash lntypes.Hash, rt *route.Route, skipTempErr bool) (*channeldb.HTLCAttempt, error) { + log.Debugf("SendToRoute for payment %v with skipTempErr=%v", + htlcHash, skipTempErr) + // Calculate amount paid to receiver. amt := rt.ReceiverAmt() From 941716d60e8e4109f8e921dd50d464b1e155e338 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 13 Nov 2023 15:25:12 +0800 Subject: [PATCH 281/343] lntest+itest: add new test `testPaymentHTLCTimeout` This commit adds a new test case to validate that when an HTLC has timed out, the corresponding payment is marked as failed. --- itest/list_on_test.go | 8 + itest/lnd_payment_test.go | 317 +++++++++++++++++++++++++++++++++++++- lntest/harness.go | 10 ++ 3 files changed, 332 insertions(+), 3 deletions(-) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 7b3c579d62..336cec1b00 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -654,4 +654,12 @@ var allTestCases = []*lntest.TestCase{ Name: "coop close with external delivery", TestFunc: testCoopCloseWithExternalDelivery, }, + { + Name: "payment failed htlc local swept", + TestFunc: testPaymentFailedHTLCLocalSwept, + }, + { + Name: "payment succeeded htlc remote swept", + TestFunc: testPaymentSucceededHTLCRemoteSwept, + }, } diff --git a/itest/lnd_payment_test.go b/itest/lnd_payment_test.go index cdd1636058..4a93fabfec 100644 --- a/itest/lnd_payment_test.go +++ b/itest/lnd_payment_test.go @@ -10,7 +10,9 @@ import ( "github.com/btcsuite/btcd/btcutil" "github.com/lightningnetwork/lnd/input" + "github.com/lightningnetwork/lnd/lncfg" "github.com/lightningnetwork/lnd/lnrpc" + "github.com/lightningnetwork/lnd/lnrpc/invoicesrpc" "github.com/lightningnetwork/lnd/lnrpc/routerrpc" "github.com/lightningnetwork/lnd/lntest" "github.com/lightningnetwork/lnd/lntest/node" @@ -20,9 +22,318 @@ import ( "github.com/stretchr/testify/require" ) -// testSendDirectPayment creates a topology Alice->Bob and then tests that Alice -// can send a direct payment to Bob. This test modifies the fee estimator to -// return floor fee rate(1 sat/vb). +// testPaymentSucceededHTLCRemoteSwept checks that when an outgoing HTLC is +// timed out and is swept by the remote via the direct preimage spend path, the +// payment will be marked as succeeded. This test creates a topology from Alice +// -> Bob, and let Alice send payments to Bob. Bob then goes offline, such that +// Alice's outgoing HTLC will time out. Once the force close transaction is +// broadcast by Alice, she then goes offline and Bob comes back online to take +// her outgoing HTLC. And Alice should mark this payment as succeeded after she +// comes back online again. +func testPaymentSucceededHTLCRemoteSwept(ht *lntest.HarnessTest) { + // Set the feerate to be 10 sat/vb. + ht.SetFeeEstimate(2500) + + // Open a channel with 100k satoshis between Alice and Bob with Alice + // being the sole funder of the channel. + chanAmt := btcutil.Amount(100_000) + openChannelParams := lntest.OpenChannelParams{ + Amt: chanAmt, + } + + // Create a two hop network: Alice -> Bob. + chanPoints, nodes := createSimpleNetwork(ht, nil, 2, openChannelParams) + chanPoint := chanPoints[0] + alice, bob := nodes[0], nodes[1] + + // We now create two payments, one above dust and the other below dust, + // and we should see different behavior in terms of when the payment + // will be marked as failed due to the HTLC timeout. + // + // First, create random preimages. + preimage := ht.RandomPreimage() + dustPreimage := ht.RandomPreimage() + + // Get the preimage hashes. + payHash := preimage.Hash() + dustPayHash := dustPreimage.Hash() + + // Create an hold invoice for Bob which expects a payment of 10k + // satoshis from Alice. + const paymentAmt = 10_000 + req := &invoicesrpc.AddHoldInvoiceRequest{ + Value: paymentAmt, + Hash: payHash[:], + // Use a small CLTV value so we can mine fewer blocks. + CltvExpiry: finalCltvDelta, + } + invoice := bob.RPC.AddHoldInvoice(req) + + // Create another hold invoice for Bob which expects a payment of 1k + // satoshis from Alice. + const dustAmt = 1000 + req = &invoicesrpc.AddHoldInvoiceRequest{ + Value: dustAmt, + Hash: dustPayHash[:], + // Use a small CLTV value so we can mine fewer blocks. + CltvExpiry: finalCltvDelta, + } + dustInvoice := bob.RPC.AddHoldInvoice(req) + + // Alice now sends both payments to Bob. + payReq := &routerrpc.SendPaymentRequest{ + PaymentRequest: invoice.PaymentRequest, + TimeoutSeconds: 3600, + } + dustPayReq := &routerrpc.SendPaymentRequest{ + PaymentRequest: dustInvoice.PaymentRequest, + TimeoutSeconds: 3600, + } + + // We expect the payment to stay in-flight from both streams. + ht.SendPaymentAssertInflight(alice, payReq) + ht.SendPaymentAssertInflight(alice, dustPayReq) + + // We also check the payments are marked as IN_FLIGHT in Alice's + // database. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_IN_FLIGHT) + ht.AssertPaymentStatus(alice, dustPreimage, lnrpc.Payment_IN_FLIGHT) + + // Bob should have two incoming HTLC. + ht.AssertIncomingHTLCActive(bob, chanPoint, payHash[:]) + ht.AssertIncomingHTLCActive(bob, chanPoint, dustPayHash[:]) + + // Alice should have two outgoing HTLCs. + ht.AssertOutgoingHTLCActive(alice, chanPoint, payHash[:]) + ht.AssertOutgoingHTLCActive(alice, chanPoint, dustPayHash[:]) + + // Let Bob go offline. + restartBob := ht.SuspendNode(bob) + + // Alice force closes the channel, which puts her commitment tx into + // the mempool. + ht.CloseChannelAssertPending(alice, chanPoint, true) + + // We now let Alice go offline to avoid her sweeping her outgoing htlc. + restartAlice := ht.SuspendNode(alice) + + // Mine one block to confirm Alice's force closing tx. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Restart Bob to settle the invoice and sweep the htlc output. + require.NoError(ht, restartBob()) + + // Bob now settles the invoices, since his link with Alice is broken, + // Alice won't know the preimages. + bob.RPC.SettleInvoice(preimage[:]) + bob.RPC.SettleInvoice(dustPreimage[:]) + + // Once Bob comes back up, he should find the force closing transaction + // from Alice and try to sweep the non-dust outgoing htlc via the + // direct preimage spend. + ht.AssertNumPendingSweeps(bob, 1) + + // Mine a block to trigger the sweep. + // + // TODO(yy): remove it once `blockbeat` is implemented. + ht.MineEmptyBlocks(1) + + // Mine Bob's sweeping tx. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Let Alice come back up. Since the channel is now closed, we expect + // different behaviors based on whether the HTLC is a dust. + // - For dust payment, it should be failed now as the HTLC won't go + // onchain. + // - For non-dust payment, it should be marked as succeeded since her + // outgoing htlc is swept by Bob. + require.NoError(ht, restartAlice()) + + // Since Alice is restarted, we need to track the payments again. + payStream := alice.RPC.TrackPaymentV2(payHash[:]) + dustPayStream := alice.RPC.TrackPaymentV2(dustPayHash[:]) + + // Check that the dust payment is failed in both the stream and DB. + ht.AssertPaymentStatus(alice, dustPreimage, lnrpc.Payment_FAILED) + ht.AssertPaymentStatusFromStream(dustPayStream, lnrpc.Payment_FAILED) + + // We expect the non-dust payment to marked as succeeded in Alice's + // database and also from her stream. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_SUCCEEDED) + ht.AssertPaymentStatusFromStream(payStream, lnrpc.Payment_SUCCEEDED) +} + +// testPaymentFailedHTLCLocalSwept checks that when an outgoing HTLC is timed +// out and claimed onchain via the timeout path, the payment will be marked as +// failed. This test creates a topology from Alice -> Bob, and let Alice send +// payments to Bob. Bob then goes offline, such that Alice's outgoing HTLC will +// time out. Alice will also be restarted to make sure resumed payments are +// also marked as failed. +func testPaymentFailedHTLCLocalSwept(ht *lntest.HarnessTest) { + success := ht.Run("fail payment", func(t *testing.T) { + st := ht.Subtest(t) + runTestPaymentHTLCTimeout(st, false) + }) + if !success { + return + } + + ht.Run("fail resumed payment", func(t *testing.T) { + st := ht.Subtest(t) + runTestPaymentHTLCTimeout(st, true) + }) +} + +// runTestPaymentHTLCTimeout is the helper function that actually runs the +// testPaymentFailedHTLCLocalSwept. +func runTestPaymentHTLCTimeout(ht *lntest.HarnessTest, restartAlice bool) { + // Set the feerate to be 10 sat/vb. + ht.SetFeeEstimate(2500) + + // Open a channel with 100k satoshis between Alice and Bob with Alice + // being the sole funder of the channel. + chanAmt := btcutil.Amount(100_000) + openChannelParams := lntest.OpenChannelParams{ + Amt: chanAmt, + } + + // Create a two hop network: Alice -> Bob. + chanPoints, nodes := createSimpleNetwork(ht, nil, 2, openChannelParams) + chanPoint := chanPoints[0] + alice, bob := nodes[0], nodes[1] + + // We now create two payments, one above dust and the other below dust, + // and we should see different behavior in terms of when the payment + // will be marked as failed due to the HTLC timeout. + // + // First, create random preimages. + preimage := ht.RandomPreimage() + dustPreimage := ht.RandomPreimage() + + // Get the preimage hashes. + payHash := preimage.Hash() + dustPayHash := dustPreimage.Hash() + + // Create an hold invoice for Bob which expects a payment of 10k + // satoshis from Alice. + const paymentAmt = 20_000 + req := &invoicesrpc.AddHoldInvoiceRequest{ + Value: paymentAmt, + Hash: payHash[:], + // Use a small CLTV value so we can mine fewer blocks. + CltvExpiry: finalCltvDelta, + } + invoice := bob.RPC.AddHoldInvoice(req) + + // Create another hold invoice for Bob which expects a payment of 1k + // satoshis from Alice. + const dustAmt = 1000 + req = &invoicesrpc.AddHoldInvoiceRequest{ + Value: dustAmt, + Hash: dustPayHash[:], + // Use a small CLTV value so we can mine fewer blocks. + CltvExpiry: finalCltvDelta, + } + dustInvoice := bob.RPC.AddHoldInvoice(req) + + // Alice now sends both the payments to Bob. + payReq := &routerrpc.SendPaymentRequest{ + PaymentRequest: invoice.PaymentRequest, + TimeoutSeconds: 3600, + } + dustPayReq := &routerrpc.SendPaymentRequest{ + PaymentRequest: dustInvoice.PaymentRequest, + TimeoutSeconds: 3600, + } + + // We expect the payment to stay in-flight from both streams. + ht.SendPaymentAssertInflight(alice, payReq) + ht.SendPaymentAssertInflight(alice, dustPayReq) + + // We also check the payments are marked as IN_FLIGHT in Alice's + // database. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_IN_FLIGHT) + ht.AssertPaymentStatus(alice, dustPreimage, lnrpc.Payment_IN_FLIGHT) + + // Bob should have two incoming HTLC. + ht.AssertIncomingHTLCActive(bob, chanPoint, payHash[:]) + ht.AssertIncomingHTLCActive(bob, chanPoint, dustPayHash[:]) + + // Alice should have two outgoing HTLCs. + ht.AssertOutgoingHTLCActive(alice, chanPoint, payHash[:]) + ht.AssertOutgoingHTLCActive(alice, chanPoint, dustPayHash[:]) + + // Let Bob go offline. + ht.Shutdown(bob) + + // We'll now mine enough blocks to trigger Alice to broadcast her + // commitment transaction due to the fact that the HTLC is about to + // timeout. With the default outgoing broadcast delta of zero, this + // will be the same height as the htlc expiry height. + numBlocks := padCLTV( + uint32(req.CltvExpiry - lncfg.DefaultOutgoingBroadcastDelta), + ) + ht.MineBlocks(int(numBlocks)) + + // Restart Alice if requested. + if restartAlice { + // Restart Alice to test the resumed payment is canceled. + ht.RestartNode(alice) + } + + // We now subscribe to the payment status. + payStream := alice.RPC.TrackPaymentV2(payHash[:]) + dustPayStream := alice.RPC.TrackPaymentV2(dustPayHash[:]) + + // Mine a block to confirm Alice's closing transaction. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Now the channel is closed, we expect different behaviors based on + // whether the HTLC is a dust. For dust payment, it should be failed + // now as the HTLC won't go onchain. For non-dust payment, it should + // still be inflight. It won't be marked as failed unless the outgoing + // HTLC is resolved onchain. + // + // NOTE: it's possible for Bob to race against Alice using the + // preimage path. If Bob successfully claims the HTLC, Alice should + // mark the non-dust payment as succeeded. + // + // Check that the dust payment is failed in both the stream and DB. + ht.AssertPaymentStatus(alice, dustPreimage, lnrpc.Payment_FAILED) + ht.AssertPaymentStatusFromStream(dustPayStream, lnrpc.Payment_FAILED) + + // Check that the non-dust payment is still in-flight. + // + // NOTE: we don't check the payment status from the stream here as + // there's no new status being sent. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_IN_FLIGHT) + + // We now have two possible cases for the non-dust payment: + // - Bob stays offline, and Alice will sweep her outgoing HTLC, which + // makes the payment failed. + // - Bob comes back online, and claims the HTLC on Alice's commitment + // via direct preimage spend, hence racing against Alice onchain. If + // he succeeds, Alice should mark the payment as succeeded. + // + // TODO(yy): test the second case once we have the RPC to clean + // mempool. + + // Since Alice's force close transaction has been confirmed, she should + // sweep her outgoing HTLC in next block. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Cleanup the channel. + ht.CleanupForceClose(alice) + + // We expect the non-dust payment to marked as failed in Alice's + // database and also from her stream. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_FAILED) + ht.AssertPaymentStatusFromStream(payStream, lnrpc.Payment_FAILED) +} + +// testSendDirectPayment creates a topology Alice->Bob and then tests that +// Alice can send a direct payment to Bob. This test modifies the fee estimator +// to return floor fee rate(1 sat/vb). func testSendDirectPayment(ht *lntest.HarnessTest) { // Grab Alice and Bob's nodes for convenience. alice, bob := ht.Alice, ht.Bob diff --git a/lntest/harness.go b/lntest/harness.go index 9a11eaa88a..3e7ae3fae8 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -399,6 +399,8 @@ func (h *HarnessTest) resetStandbyNodes(t *testing.T) { // config for the coming test. This will also inherit the // test's running context. h.RestartNodeWithExtraArgs(hn, hn.Cfg.OriginalExtraArgs) + + hn.AddToLogf("Finished test case %v", h.manager.currentTestCase) } } @@ -1771,6 +1773,14 @@ func (h *HarnessTest) SendPaymentAssertSettled(hn *node.HarnessNode, return h.SendPaymentAndAssertStatus(hn, req, lnrpc.Payment_SUCCEEDED) } +// SendPaymentAssertInflight sends a payment from the passed node and asserts +// the payment is inflight. +func (h *HarnessTest) SendPaymentAssertInflight(hn *node.HarnessNode, + req *routerrpc.SendPaymentRequest) *lnrpc.Payment { + + return h.SendPaymentAndAssertStatus(hn, req, lnrpc.Payment_IN_FLIGHT) +} + // OpenChannelRequest is used to open a channel using the method // OpenMultiChannelsAsync. type OpenChannelRequest struct { From 21112cfdf8861242c1b67803699f8bb9e5a9a1e8 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 6 Nov 2023 06:34:08 +0800 Subject: [PATCH 282/343] htlcswitch: rename `paymentID` to `attemptID` for clarity --- htlcswitch/payment_result.go | 57 ++++++++++++++++++------------------ htlcswitch/switch.go | 16 +++++----- 2 files changed, 36 insertions(+), 37 deletions(-) diff --git a/htlcswitch/payment_result.go b/htlcswitch/payment_result.go index cd982b8bb7..db959e2d1a 100644 --- a/htlcswitch/payment_result.go +++ b/htlcswitch/payment_result.go @@ -90,32 +90,32 @@ type networkResultStore struct { results map[uint64][]chan *networkResult resultsMtx sync.Mutex - // paymentIDMtx is a multimutex used to make sure the database and - // result subscribers map is consistent for each payment ID in case of + // attemptIDMtx is a multimutex used to make sure the database and + // result subscribers map is consistent for each attempt ID in case of // concurrent callers. - paymentIDMtx *multimutex.Mutex[uint64] + attemptIDMtx *multimutex.Mutex[uint64] } func newNetworkResultStore(db kvdb.Backend) *networkResultStore { return &networkResultStore{ backend: db, results: make(map[uint64][]chan *networkResult), - paymentIDMtx: multimutex.NewMutex[uint64](), + attemptIDMtx: multimutex.NewMutex[uint64](), } } -// storeResult stores the networkResult for the given paymentID, and -// notifies any subscribers. -func (store *networkResultStore) storeResult(paymentID uint64, +// storeResult stores the networkResult for the given attemptID, and notifies +// any subscribers. +func (store *networkResultStore) storeResult(attemptID uint64, result *networkResult) error { - // We get a mutex for this payment ID. This is needed to ensure + // We get a mutex for this attempt ID. This is needed to ensure // consistency between the database state and the subscribers in case // of concurrent calls. - store.paymentIDMtx.Lock(paymentID) - defer store.paymentIDMtx.Unlock(paymentID) + store.attemptIDMtx.Lock(attemptID) + defer store.attemptIDMtx.Unlock(attemptID) - log.Debugf("Storing result for paymentID=%v", paymentID) + log.Debugf("Storing result for attemptID=%v", attemptID) // Serialize the payment result. var b bytes.Buffer @@ -123,8 +123,8 @@ func (store *networkResultStore) storeResult(paymentID uint64, return err } - var paymentIDBytes [8]byte - binary.BigEndian.PutUint64(paymentIDBytes[:], paymentID) + var attemptIDBytes [8]byte + binary.BigEndian.PutUint64(attemptIDBytes[:], attemptID) err := kvdb.Batch(store.backend, func(tx kvdb.RwTx) error { networkResults, err := tx.CreateTopLevelBucket( @@ -134,7 +134,7 @@ func (store *networkResultStore) storeResult(paymentID uint64, return err } - return networkResults.Put(paymentIDBytes[:], b.Bytes()) + return networkResults.Put(attemptIDBytes[:], b.Bytes()) }) if err != nil { return err @@ -143,28 +143,27 @@ func (store *networkResultStore) storeResult(paymentID uint64, // Now that the result is stored in the database, we can notify any // active subscribers. store.resultsMtx.Lock() - for _, res := range store.results[paymentID] { + for _, res := range store.results[attemptID] { res <- result } - delete(store.results, paymentID) + delete(store.results, attemptID) store.resultsMtx.Unlock() return nil } -// subscribeResult is used to get the payment result for the given -// payment ID. It returns a channel on which the result will be delivered when -// ready. -func (store *networkResultStore) subscribeResult(paymentID uint64) ( +// subscribeResult is used to get the HTLC attempt result for the given attempt +// ID. It returns a channel on which the result will be delivered when ready. +func (store *networkResultStore) subscribeResult(attemptID uint64) ( <-chan *networkResult, error) { // We get a mutex for this payment ID. This is needed to ensure // consistency between the database state and the subscribers in case // of concurrent calls. - store.paymentIDMtx.Lock(paymentID) - defer store.paymentIDMtx.Unlock(paymentID) + store.attemptIDMtx.Lock(attemptID) + defer store.attemptIDMtx.Unlock(attemptID) - log.Debugf("Subscribing to result for paymentID=%v", paymentID) + log.Debugf("Subscribing to result for attemptID=%v", attemptID) var ( result *networkResult @@ -173,7 +172,7 @@ func (store *networkResultStore) subscribeResult(paymentID uint64) ( err := kvdb.View(store.backend, func(tx kvdb.RTx) error { var err error - result, err = fetchResult(tx, paymentID) + result, err = fetchResult(tx, attemptID) switch { // Result not yet available, we will notify once a result is @@ -205,8 +204,8 @@ func (store *networkResultStore) subscribeResult(paymentID uint64) ( // Otherwise we store the result channel for when the result is // available. store.resultsMtx.Lock() - store.results[paymentID] = append( - store.results[paymentID], resultChan, + store.results[attemptID] = append( + store.results[attemptID], resultChan, ) store.resultsMtx.Unlock() @@ -234,8 +233,8 @@ func (store *networkResultStore) getResult(pid uint64) ( } func fetchResult(tx kvdb.RTx, pid uint64) (*networkResult, error) { - var paymentIDBytes [8]byte - binary.BigEndian.PutUint64(paymentIDBytes[:], pid) + var attemptIDBytes [8]byte + binary.BigEndian.PutUint64(attemptIDBytes[:], pid) networkResults := tx.ReadBucket(networkResultStoreBucketKey) if networkResults == nil { @@ -243,7 +242,7 @@ func fetchResult(tx kvdb.RTx, pid uint64) (*networkResult, error) { } // Check whether a result is already available. - resultBytes := networkResults.Get(paymentIDBytes[:]) + resultBytes := networkResults.Get(attemptIDBytes[:]) if resultBytes == nil { return nil, ErrPaymentIDNotFound } diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index 793da57dbe..d4e9518c8a 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -431,11 +431,11 @@ func (s *Switch) ProcessContractResolution(msg contractcourt.ResolutionMsg) erro } } -// GetAttemptResult returns the result of the payment attempt with the given +// GetAttemptResult returns the result of the HTLC attempt with the given // attemptID. The paymentHash should be set to the payment's overall hash, or // in case of AMP payments the payment's unique identifier. // -// The method returns a channel where the payment result will be sent when +// The method returns a channel where the HTLC attempt result will be sent when // available, or an error is encountered during forwarding. When a result is // received on the channel, the HTLC is guaranteed to no longer be in flight. // The switch shutting down is signaled by closing the channel. If the @@ -452,9 +452,9 @@ func (s *Switch) GetAttemptResult(attemptID uint64, paymentHash lntypes.Hash, } ) - // If the payment is not found in the circuit map, check whether a - // result is already available. - // Assumption: no one will add this payment ID other than the caller. + // If the HTLC is not found in the circuit map, check whether a result + // is already available. + // Assumption: no one will add this attempt ID other than the caller. if s.circuits.LookupCircuit(inKey) == nil { res, err := s.networkResults.getResult(attemptID) if err != nil { @@ -464,7 +464,7 @@ func (s *Switch) GetAttemptResult(attemptID uint64, paymentHash lntypes.Hash, c <- res nChan = c } else { - // The payment was committed to the circuits, subscribe for a + // The HTLC was committed to the circuits, subscribe for a // result. nChan, err = s.networkResults.subscribeResult(attemptID) if err != nil { @@ -474,7 +474,7 @@ func (s *Switch) GetAttemptResult(attemptID uint64, paymentHash lntypes.Hash, resultChan := make(chan *PaymentResult, 1) - // Since the payment was known, we can start a goroutine that can + // Since the attempt was known, we can start a goroutine that can // extract the result when it is available, and pass it on to the // caller. s.wg.Add(1) @@ -939,7 +939,7 @@ func (s *Switch) handleLocalResponse(pkt *htlcPacket) { // Store the result to the db. This will also notify subscribers about // the result. if err := s.networkResults.storeResult(attemptID, n); err != nil { - log.Errorf("Unable to complete payment for pid=%v: %v", + log.Errorf("Unable to store attempt result for pid=%v: %v", attemptID, err) return } From d28d5d7a472af32c49baa0f984732d5594cfad40 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 13 Nov 2023 15:50:29 +0800 Subject: [PATCH 283/343] itest: add `testSendToRouteFailHTLCTimeout` to check `SendToRouteV2` --- itest/list_on_test.go | 4 + itest/lnd_payment_test.go | 217 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 221 insertions(+) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 336cec1b00..c33536232b 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -662,4 +662,8 @@ var allTestCases = []*lntest.TestCase{ Name: "payment succeeded htlc remote swept", TestFunc: testPaymentSucceededHTLCRemoteSwept, }, + { + Name: "send to route failed htlc timeout", + TestFunc: testSendToRouteFailHTLCTimeout, + }, } diff --git a/itest/lnd_payment_test.go b/itest/lnd_payment_test.go index 4a93fabfec..317ca02eda 100644 --- a/itest/lnd_payment_test.go +++ b/itest/lnd_payment_test.go @@ -19,6 +19,7 @@ import ( "github.com/lightningnetwork/lnd/lntest/rpc" "github.com/lightningnetwork/lnd/lntest/wait" "github.com/lightningnetwork/lnd/lntypes" + "github.com/lightningnetwork/lnd/lnwire" "github.com/stretchr/testify/require" ) @@ -1211,3 +1212,219 @@ func sendPaymentInterceptAndCancel(ht *lntest.HarnessTest, // Cancel the context, which will disconnect the above interceptor. cancelInterceptor() } + +// testSendToRouteFailHTLCTimeout is similar to +// testPaymentFailedHTLCLocalSwept. The only difference is the `SendPayment` is +// replaced with `SendToRouteV2`. It checks that when an outgoing HTLC is timed +// out and claimed onchain via the timeout path, the payment will be marked as +// failed. This test creates a topology from Alice -> Bob, and let Alice send +// payments to Bob. Bob then goes offline, such that Alice's outgoing HTLC will +// time out. Alice will also be restarted to make sure resumed payments are +// also marked as failed. +func testSendToRouteFailHTLCTimeout(ht *lntest.HarnessTest) { + success := ht.Run("fail payment", func(t *testing.T) { + st := ht.Subtest(t) + runSendToRouteFailHTLCTimeout(st, false) + }) + if !success { + return + } + + ht.Run("fail resumed payment", func(t *testing.T) { + st := ht.Subtest(t) + runTestPaymentHTLCTimeout(st, true) + }) +} + +// runSendToRouteFailHTLCTimeout is the helper function that actually runs the +// testSendToRouteFailHTLCTimeout. +func runSendToRouteFailHTLCTimeout(ht *lntest.HarnessTest, restartAlice bool) { + // Set the feerate to be 10 sat/vb. + ht.SetFeeEstimate(2500) + + // Open a channel with 100k satoshis between Alice and Bob with Alice + // being the sole funder of the channel. + chanAmt := btcutil.Amount(100_000) + openChannelParams := lntest.OpenChannelParams{ + Amt: chanAmt, + } + + // Create a two hop network: Alice -> Bob. + chanPoints, nodes := createSimpleNetwork(ht, nil, 2, openChannelParams) + chanPoint := chanPoints[0] + alice, bob := nodes[0], nodes[1] + + // We now create two payments, one above dust and the other below dust, + // and we should see different behavior in terms of when the payment + // will be marked as failed due to the HTLC timeout. + // + // First, create random preimages. + preimage := ht.RandomPreimage() + dustPreimage := ht.RandomPreimage() + + // Get the preimage hashes. + payHash := preimage.Hash() + dustPayHash := dustPreimage.Hash() + + // Create an hold invoice for Bob which expects a payment of 10k + // satoshis from Alice. + const paymentAmt = 20_000 + req := &invoicesrpc.AddHoldInvoiceRequest{ + Value: paymentAmt, + Hash: payHash[:], + // Use a small CLTV value so we can mine fewer blocks. + CltvExpiry: finalCltvDelta, + } + invoice := bob.RPC.AddHoldInvoice(req) + + // Create another hold invoice for Bob which expects a payment of 1k + // satoshis from Alice. + const dustAmt = 1000 + req = &invoicesrpc.AddHoldInvoiceRequest{ + Value: dustAmt, + Hash: dustPayHash[:], + // Use a small CLTV value so we can mine fewer blocks. + CltvExpiry: finalCltvDelta, + } + dustInvoice := bob.RPC.AddHoldInvoice(req) + + // Construct a route to send the non-dust payment. + go func() { + // Query the route to send the payment. + routesReq := &lnrpc.QueryRoutesRequest{ + PubKey: bob.PubKeyStr, + Amt: paymentAmt, + FinalCltvDelta: finalCltvDelta, + } + routes := alice.RPC.QueryRoutes(routesReq) + require.Len(ht, routes.Routes, 1) + + route := routes.Routes[0] + require.Len(ht, route.Hops, 1) + + // Modify the hop to include MPP info. + route.Hops[0].MppRecord = &lnrpc.MPPRecord{ + PaymentAddr: invoice.PaymentAddr, + TotalAmtMsat: int64( + lnwire.NewMSatFromSatoshis(paymentAmt), + ), + } + + // Send the payment with the modified value. + req := &routerrpc.SendToRouteRequest{ + PaymentHash: payHash[:], + Route: route, + } + + // Send the payment and expect no error. + attempt := alice.RPC.SendToRouteV2(req) + require.Equal(ht, lnrpc.HTLCAttempt_FAILED, attempt.Status) + }() + + // Check that the payment is in-flight. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_IN_FLIGHT) + + // Construct a route to send the dust payment. + go func() { + // Query the route to send the payment. + routesReq := &lnrpc.QueryRoutesRequest{ + PubKey: bob.PubKeyStr, + Amt: dustAmt, + FinalCltvDelta: finalCltvDelta, + } + routes := alice.RPC.QueryRoutes(routesReq) + require.Len(ht, routes.Routes, 1) + + route := routes.Routes[0] + require.Len(ht, route.Hops, 1) + + // Modify the hop to include MPP info. + route.Hops[0].MppRecord = &lnrpc.MPPRecord{ + PaymentAddr: dustInvoice.PaymentAddr, + TotalAmtMsat: int64( + lnwire.NewMSatFromSatoshis(dustAmt), + ), + } + + // Send the payment with the modified value. + req := &routerrpc.SendToRouteRequest{ + PaymentHash: dustPayHash[:], + Route: route, + } + + // Send the payment and expect no error. + attempt := alice.RPC.SendToRouteV2(req) + require.Equal(ht, lnrpc.HTLCAttempt_FAILED, attempt.Status) + }() + + // Check that the dust payment is in-flight. + ht.AssertPaymentStatus(alice, dustPreimage, lnrpc.Payment_IN_FLIGHT) + + // Bob should have two incoming HTLC. + ht.AssertIncomingHTLCActive(bob, chanPoint, payHash[:]) + ht.AssertIncomingHTLCActive(bob, chanPoint, dustPayHash[:]) + + // Alice should have two outgoing HTLCs. + ht.AssertOutgoingHTLCActive(alice, chanPoint, payHash[:]) + ht.AssertOutgoingHTLCActive(alice, chanPoint, dustPayHash[:]) + + // Let Bob go offline. + ht.Shutdown(bob) + + // We'll now mine enough blocks to trigger Alice to broadcast her + // commitment transaction due to the fact that the HTLC is about to + // timeout. With the default outgoing broadcast delta of zero, this + // will be the same height as the htlc expiry height. + numBlocks := padCLTV( + uint32(req.CltvExpiry - lncfg.DefaultOutgoingBroadcastDelta), + ) + ht.MineEmptyBlocks(int(numBlocks - 1)) + + // Restart Alice if requested. + if restartAlice { + // Restart Alice to test the resumed payment is canceled. + ht.RestartNode(alice) + } + + // We now subscribe to the payment status. + payStream := alice.RPC.TrackPaymentV2(payHash[:]) + dustPayStream := alice.RPC.TrackPaymentV2(dustPayHash[:]) + + // Mine a block to confirm Alice's closing transaction. + ht.MineBlocksAndAssertNumTxes(1, 1) + + // Now the channel is closed, we expect different behaviors based on + // whether the HTLC is a dust. For dust payment, it should be failed + // now as the HTLC won't go onchain. For non-dust payment, it should + // still be inflight. It won't be marked as failed unless the outgoing + // HTLC is resolved onchain. + // + // Check that the dust payment is failed in both the stream and DB. + ht.AssertPaymentStatus(alice, dustPreimage, lnrpc.Payment_FAILED) + ht.AssertPaymentStatusFromStream(dustPayStream, lnrpc.Payment_FAILED) + + // Check that the non-dust payment is still in-flight. + // + // NOTE: we don't check the payment status from the stream here as + // there's no new status being sent. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_IN_FLIGHT) + + // We now have two possible cases for the non-dust payment: + // - Bob stays offline, and Alice will sweep her outgoing HTLC, which + // makes the payment failed. + // - Bob comes back online, and claims the HTLC on Alice's commitment + // via direct preimage spend, hence racing against Alice onchain. If + // he succeeds, Alice should mark the payment as succeeded. + // + // TODO(yy): test the second case once we have the RPC to clean + // mempool. + + // Since Alice's force close transaction has been confirmed, she should + // sweep her outgoing HTLC in next block. + ht.MineBlocksAndAssertNumTxes(2, 1) + + // We expect the non-dust payment to marked as failed in Alice's + // database and also from her stream. + ht.AssertPaymentStatus(alice, preimage, lnrpc.Payment_FAILED) + ht.AssertPaymentStatusFromStream(payStream, lnrpc.Payment_FAILED) +} From 6cb374aea693b7ea726b7044cd2e70c9ded7cbd5 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 13 Nov 2023 17:47:25 +0800 Subject: [PATCH 284/343] htlcswitch: add new method `handlePacketAdd` Simply moves the code into a new method so it's easier to follow the method `handlePacketForward`. --- htlcswitch/switch.go | 357 +++++++++++++++++++++---------------------- 1 file changed, 178 insertions(+), 179 deletions(-) diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index d4e9518c8a..425f997867 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -1104,185 +1104,7 @@ func (s *Switch) handlePacketForward(packet *htlcPacket) error { // payment circuit within our internal state so we can properly forward // the ultimate settle message back latter. case *lnwire.UpdateAddHTLC: - // Check if the node is set to reject all onward HTLCs and also make - // sure that HTLC is not from the source node. - if s.cfg.RejectHTLC { - failure := NewDetailedLinkError( - &lnwire.FailChannelDisabled{}, - OutgoingFailureForwardsDisabled, - ) - - return s.failAddPacket(packet, failure) - } - - // Before we attempt to find a non-strict forwarding path for - // this htlc, check whether the htlc is being routed over the - // same incoming and outgoing channel. If our node does not - // allow forwards of this nature, we fail the htlc early. This - // check is in place to disallow inefficiently routed htlcs from - // locking up our balance. With channels where the - // option-scid-alias feature was negotiated, we also have to be - // sure that the IDs aren't the same since one or both could be - // an alias. - linkErr := s.checkCircularForward( - packet.incomingChanID, packet.outgoingChanID, - s.cfg.AllowCircularRoute, htlc.PaymentHash, - ) - if linkErr != nil { - return s.failAddPacket(packet, linkErr) - } - - s.indexMtx.RLock() - targetLink, err := s.getLinkByMapping(packet) - if err != nil { - s.indexMtx.RUnlock() - - log.Debugf("unable to find link with "+ - "destination %v", packet.outgoingChanID) - - // If packet was forwarded from another channel link - // than we should notify this link that some error - // occurred. - linkError := NewLinkError( - &lnwire.FailUnknownNextPeer{}, - ) - - return s.failAddPacket(packet, linkError) - } - targetPeerKey := targetLink.PeerPubKey() - interfaceLinks, _ := s.getLinks(targetPeerKey) - s.indexMtx.RUnlock() - - // We'll keep track of any HTLC failures during the link - // selection process. This way we can return the error for - // precise link that the sender selected, while optimistically - // trying all links to utilize our available bandwidth. - linkErrs := make(map[lnwire.ShortChannelID]*LinkError) - - // Find all destination channel links with appropriate - // bandwidth. - var destinations []ChannelLink - for _, link := range interfaceLinks { - var failure *LinkError - - // We'll skip any links that aren't yet eligible for - // forwarding. - if !link.EligibleToForward() { - failure = NewDetailedLinkError( - &lnwire.FailUnknownNextPeer{}, - OutgoingFailureLinkNotEligible, - ) - } else { - // We'll ensure that the HTLC satisfies the - // current forwarding conditions of this target - // link. - currentHeight := atomic.LoadUint32(&s.bestHeight) - failure = link.CheckHtlcForward( - htlc.PaymentHash, packet.incomingAmount, - packet.amount, packet.incomingTimeout, - packet.outgoingTimeout, - packet.inboundFee, - currentHeight, - packet.originalOutgoingChanID, - ) - } - - // If this link can forward the htlc, add it to the set - // of destinations. - if failure == nil { - destinations = append(destinations, link) - continue - } - - linkErrs[link.ShortChanID()] = failure - } - - // If we had a forwarding failure due to the HTLC not - // satisfying the current policy, then we'll send back an - // error, but ensure we send back the error sourced at the - // *target* link. - if len(destinations) == 0 { - // At this point, some or all of the links rejected the - // HTLC so we couldn't forward it. So we'll try to look - // up the error that came from the source. - linkErr, ok := linkErrs[packet.outgoingChanID] - if !ok { - // If we can't find the error of the source, - // then we'll return an unknown next peer, - // though this should never happen. - linkErr = NewLinkError( - &lnwire.FailUnknownNextPeer{}, - ) - log.Warnf("unable to find err source for "+ - "outgoing_link=%v, errors=%v", - packet.outgoingChanID, - lnutils.SpewLogClosure(linkErrs)) - } - - log.Tracef("incoming HTLC(%x) violated "+ - "target outgoing link (id=%v) policy: %v", - htlc.PaymentHash[:], packet.outgoingChanID, - linkErr) - - return s.failAddPacket(packet, linkErr) - } - - // Choose a random link out of the set of links that can forward - // this htlc. The reason for randomization is to evenly - // distribute the htlc load without making assumptions about - // what the best channel is. - destination := destinations[rand.Intn(len(destinations))] // nolint:gosec - - // Retrieve the incoming link by its ShortChannelID. Note that - // the incomingChanID is never set to hop.Source here. - s.indexMtx.RLock() - incomingLink, err := s.getLinkByShortID(packet.incomingChanID) - s.indexMtx.RUnlock() - if err != nil { - // If we couldn't find the incoming link, we can't - // evaluate the incoming's exposure to dust, so we just - // fail the HTLC back. - linkErr := NewLinkError( - &lnwire.FailTemporaryChannelFailure{}, - ) - - return s.failAddPacket(packet, linkErr) - } - - // Evaluate whether this HTLC would increase our fee exposure - // over the threshold on the incoming link. If it does, fail it - // backwards. - if s.dustExceedsFeeThreshold( - incomingLink, packet.incomingAmount, true, - ) { - // The incoming dust exceeds the threshold, so we fail - // the add back. - linkErr := NewLinkError( - &lnwire.FailTemporaryChannelFailure{}, - ) - - return s.failAddPacket(packet, linkErr) - } - - // Also evaluate whether this HTLC would increase our fee - // exposure over the threshold on the destination link. If it - // does, fail it back. - if s.dustExceedsFeeThreshold( - destination, packet.amount, false, - ) { - // The outgoing dust exceeds the threshold, so we fail - // the add back. - linkErr := NewLinkError( - &lnwire.FailTemporaryChannelFailure{}, - ) - - return s.failAddPacket(packet, linkErr) - } - - // Send the packet to the destination channel link which - // manages the channel. - packet.outgoingChanID = destination.ShortChanID() - return destination.handleSwitchPacket(packet) + return s.handlePacketAdd(packet, htlc) case *lnwire.UpdateFailHTLC, *lnwire.UpdateFulfillHTLC: // If the source of this packet has not been set, use the @@ -3052,3 +2874,180 @@ func (s *Switch) AddAliasForLink(chanID lnwire.ChannelID, return nil } + +// handlePacketAdd handles forwarding an Add packet. +func (s *Switch) handlePacketAdd(packet *htlcPacket, + htlc *lnwire.UpdateAddHTLC) error { + + // Check if the node is set to reject all onward HTLCs and also make + // sure that HTLC is not from the source node. + if s.cfg.RejectHTLC { + failure := NewDetailedLinkError( + &lnwire.FailChannelDisabled{}, + OutgoingFailureForwardsDisabled, + ) + + return s.failAddPacket(packet, failure) + } + + // Before we attempt to find a non-strict forwarding path for this + // htlc, check whether the htlc is being routed over the same incoming + // and outgoing channel. If our node does not allow forwards of this + // nature, we fail the htlc early. This check is in place to disallow + // inefficiently routed htlcs from locking up our balance. With + // channels where the option-scid-alias feature was negotiated, we also + // have to be sure that the IDs aren't the same since one or both could + // be an alias. + linkErr := s.checkCircularForward( + packet.incomingChanID, packet.outgoingChanID, + s.cfg.AllowCircularRoute, htlc.PaymentHash, + ) + if linkErr != nil { + return s.failAddPacket(packet, linkErr) + } + + s.indexMtx.RLock() + targetLink, err := s.getLinkByMapping(packet) + if err != nil { + s.indexMtx.RUnlock() + + log.Debugf("unable to find link with "+ + "destination %v", packet.outgoingChanID) + + // If packet was forwarded from another channel link than we + // should notify this link that some error occurred. + linkError := NewLinkError( + &lnwire.FailUnknownNextPeer{}, + ) + + return s.failAddPacket(packet, linkError) + } + targetPeerKey := targetLink.PeerPubKey() + interfaceLinks, _ := s.getLinks(targetPeerKey) + s.indexMtx.RUnlock() + + // We'll keep track of any HTLC failures during the link selection + // process. This way we can return the error for precise link that the + // sender selected, while optimistically trying all links to utilize + // our available bandwidth. + linkErrs := make(map[lnwire.ShortChannelID]*LinkError) + + // Find all destination channel links with appropriate bandwidth. + var destinations []ChannelLink + for _, link := range interfaceLinks { + var failure *LinkError + + // We'll skip any links that aren't yet eligible for + // forwarding. + if !link.EligibleToForward() { + failure = NewDetailedLinkError( + &lnwire.FailUnknownNextPeer{}, + OutgoingFailureLinkNotEligible, + ) + } else { + // We'll ensure that the HTLC satisfies the current + // forwarding conditions of this target link. + currentHeight := atomic.LoadUint32(&s.bestHeight) + failure = link.CheckHtlcForward( + htlc.PaymentHash, packet.incomingAmount, + packet.amount, packet.incomingTimeout, + packet.outgoingTimeout, + packet.inboundFee, + currentHeight, + packet.originalOutgoingChanID, + ) + } + + // If this link can forward the htlc, add it to the set of + // destinations. + if failure == nil { + destinations = append(destinations, link) + continue + } + + linkErrs[link.ShortChanID()] = failure + } + + // If we had a forwarding failure due to the HTLC not satisfying the + // current policy, then we'll send back an error, but ensure we send + // back the error sourced at the *target* link. + if len(destinations) == 0 { + // At this point, some or all of the links rejected the HTLC so + // we couldn't forward it. So we'll try to look up the error + // that came from the source. + linkErr, ok := linkErrs[packet.outgoingChanID] + if !ok { + // If we can't find the error of the source, then we'll + // return an unknown next peer, though this should + // never happen. + linkErr = NewLinkError( + &lnwire.FailUnknownNextPeer{}, + ) + log.Warnf("unable to find err source for "+ + "outgoing_link=%v, errors=%v", + packet.outgoingChanID, + lnutils.SpewLogClosure(linkErrs)) + } + + log.Tracef("incoming HTLC(%x) violated "+ + "target outgoing link (id=%v) policy: %v", + htlc.PaymentHash[:], packet.outgoingChanID, + linkErr) + + return s.failAddPacket(packet, linkErr) + } + + // Choose a random link out of the set of links that can forward this + // htlc. The reason for randomization is to evenly distribute the htlc + // load without making assumptions about what the best channel is. + destination := destinations[rand.Intn(len(destinations))] // nolint:gosec + + // Retrieve the incoming link by its ShortChannelID. Note that the + // incomingChanID is never set to hop.Source here. + s.indexMtx.RLock() + incomingLink, err := s.getLinkByShortID(packet.incomingChanID) + s.indexMtx.RUnlock() + if err != nil { + // If we couldn't find the incoming link, we can't evaluate the + // incoming's exposure to dust, so we just fail the HTLC back. + linkErr := NewLinkError( + &lnwire.FailTemporaryChannelFailure{}, + ) + + return s.failAddPacket(packet, linkErr) + } + + // Evaluate whether this HTLC would increase our fee exposure over the + // threshold on the incoming link. If it does, fail it backwards. + if s.dustExceedsFeeThreshold( + incomingLink, packet.incomingAmount, true, + ) { + // The incoming dust exceeds the threshold, so we fail the add + // back. + linkErr := NewLinkError( + &lnwire.FailTemporaryChannelFailure{}, + ) + + return s.failAddPacket(packet, linkErr) + } + + // Also evaluate whether this HTLC would increase our fee exposure over + // the threshold on the destination link. If it does, fail it back. + if s.dustExceedsFeeThreshold( + destination, packet.amount, false, + ) { + // The outgoing dust exceeds the threshold, so we fail the add + // back. + linkErr := NewLinkError( + &lnwire.FailTemporaryChannelFailure{}, + ) + + return s.failAddPacket(packet, linkErr) + } + + // Send the packet to the destination channel link which manages the + // channel. + packet.outgoingChanID = destination.ShortChanID() + + return destination.handleSwitchPacket(packet) +} From 2fc79d894630529cb5369737444efca7997c7397 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 13 Nov 2023 18:42:44 +0800 Subject: [PATCH 285/343] htlcswitch: handle forwarding settle and fail seperately This commit adds two methods, `handlePacketFail` and `handlePacketSettle` to handle the settle and fail packets differently. --- htlcswitch/switch.go | 272 +++++++++++++++++++++++++++---------------- 1 file changed, 169 insertions(+), 103 deletions(-) diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index 425f997867..9ed4202eec 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -1099,118 +1099,26 @@ func (s *Switch) parseFailedPayment(deobfuscator ErrorDecrypter, // updates back. This behaviour is achieved by creation of payment circuits. func (s *Switch) handlePacketForward(packet *htlcPacket) error { switch htlc := packet.htlc.(type) { - // Channel link forwarded us a new htlc, therefore we initiate the // payment circuit within our internal state so we can properly forward // the ultimate settle message back latter. case *lnwire.UpdateAddHTLC: return s.handlePacketAdd(packet, htlc) - case *lnwire.UpdateFailHTLC, *lnwire.UpdateFulfillHTLC: - // If the source of this packet has not been set, use the - // circuit map to lookup the origin. - circuit, err := s.closeCircuit(packet) - if err != nil { - return err - } - - // closeCircuit returns a nil circuit when a settle packet returns an - // ErrUnknownCircuit error upon the inner call to CloseCircuit. - if circuit == nil { - return nil - } - - fail, isFail := htlc.(*lnwire.UpdateFailHTLC) - if isFail && !packet.hasSource { - // HTLC resolutions and messages restored from disk - // don't have the obfuscator set from the original htlc - // add packet - set it here for use in blinded errors. - packet.obfuscator = circuit.ErrorEncrypter - - switch { - // No message to encrypt, locally sourced payment. - case circuit.ErrorEncrypter == nil: - - // If this is a resolution message, then we'll need to - // encrypt it as it's actually internally sourced. - case packet.isResolution: - var err error - // TODO(roasbeef): don't need to pass actually? - failure := &lnwire.FailPermanentChannelFailure{} - fail.Reason, err = circuit.ErrorEncrypter.EncryptFirstHop( - failure, - ) - if err != nil { - err = fmt.Errorf("unable to obfuscate "+ - "error: %v", err) - log.Error(err) - } - - // Alternatively, if the remote party send us an - // UpdateFailMalformedHTLC, then we'll need to convert - // this into a proper well formatted onion error as - // there's no HMAC currently. - case packet.convertedError: - log.Infof("Converting malformed HTLC error "+ - "for circuit for Circuit(%x: "+ - "(%s, %d) <-> (%s, %d))", packet.circuit.PaymentHash, - packet.incomingChanID, packet.incomingHTLCID, - packet.outgoingChanID, packet.outgoingHTLCID) - - fail.Reason = circuit.ErrorEncrypter.EncryptMalformedError( - fail.Reason, - ) - - default: - // Otherwise, it's a forwarded error, so we'll perform a - // wrapper encryption as normal. - fail.Reason = circuit.ErrorEncrypter.IntermediateEncrypt( - fail.Reason, - ) - } - } else if !isFail && circuit.Outgoing != nil { - // If this is an HTLC settle, and it wasn't from a - // locally initiated HTLC, then we'll log a forwarding - // event so we can flush it to disk later. - // - // TODO(roasbeef): only do this once link actually - // fully settles? - localHTLC := packet.incomingChanID == hop.Source - if !localHTLC { - log.Infof("Forwarded HTLC(%x) of %v (fee: %v) "+ - "from IncomingChanID(%v) to OutgoingChanID(%v)", - circuit.PaymentHash[:], circuit.OutgoingAmount, - circuit.IncomingAmount-circuit.OutgoingAmount, - circuit.Incoming.ChanID, circuit.Outgoing.ChanID) - s.fwdEventMtx.Lock() - s.pendingFwdingEvents = append( - s.pendingFwdingEvents, - channeldb.ForwardingEvent{ - Timestamp: time.Now(), - IncomingChanID: circuit.Incoming.ChanID, - OutgoingChanID: circuit.Outgoing.ChanID, - AmtIn: circuit.IncomingAmount, - AmtOut: circuit.OutgoingAmount, - }, - ) - s.fwdEventMtx.Unlock() - } - } - - // A blank IncomingChanID in a circuit indicates that it is a pending - // user-initiated payment. - if packet.incomingChanID == hop.Source { - s.wg.Add(1) - go s.handleLocalResponse(packet) - return nil - } + case *lnwire.UpdateFulfillHTLC: + return s.handlePacketSettle(packet) - // Check to see that the source link is online before removing - // the circuit. - return s.mailOrchestrator.Deliver(packet.incomingChanID, packet) + // Channel link forwarded us an update_fail_htlc message. + // + // NOTE: when the channel link receives an update_fail_malformed_htlc + // from upstream, it will convert the message into update_fail_htlc and + // forward it. Thus there's no need to catch `UpdateFailMalformedHTLC` + // here. + case *lnwire.UpdateFailHTLC: + return s.handlePacketFail(packet, htlc) default: - return errors.New("wrong update type") + return fmt.Errorf("wrong update type: %T", htlc) } } @@ -3051,3 +2959,161 @@ func (s *Switch) handlePacketAdd(packet *htlcPacket, return destination.handleSwitchPacket(packet) } + +// handlePacketSettle handles forwarding a settle packet. +func (s *Switch) handlePacketSettle(packet *htlcPacket) error { + // If the source of this packet has not been set, use the circuit map + // to lookup the origin. + circuit, err := s.closeCircuit(packet) + if err != nil { + return err + } + + // closeCircuit returns a nil circuit when a settle packet returns an + // ErrUnknownCircuit error upon the inner call to CloseCircuit. + // + // NOTE: We can only get a nil circuit when it has already been deleted + // and when `UpdateFulfillHTLC` is received. After which `RevokeAndAck` + // is received, which invokes `processRemoteSettleFails` in its link. + if circuit == nil { + log.Debugf("Found nil circuit: packet=%v", spew.Sdump(packet)) + return nil + } + + localHTLC := packet.incomingChanID == hop.Source + + // If this is a locally initiated HTLC, we need to handle the packet by + // storing the network result. + // + // A blank IncomingChanID in a circuit indicates that it is a pending + // user-initiated payment. + // + // NOTE: `closeCircuit` modifies the state of `packet`. + if localHTLC { + // TODO(yy): remove the goroutine and send back the error here. + s.wg.Add(1) + go s.handleLocalResponse(packet) + + // If this is a locally initiated HTLC, there's no need to + // forward it so we exit. + return nil + } + + // If this is an HTLC settle, and it wasn't from a locally initiated + // HTLC, then we'll log a forwarding event so we can flush it to disk + // later. + if circuit.Outgoing != nil { + log.Infof("Forwarded HTLC(%x) of %v (fee: %v) "+ + "from IncomingChanID(%v) to OutgoingChanID(%v)", + circuit.PaymentHash[:], circuit.OutgoingAmount, + circuit.IncomingAmount-circuit.OutgoingAmount, + circuit.Incoming.ChanID, circuit.Outgoing.ChanID) + + s.fwdEventMtx.Lock() + s.pendingFwdingEvents = append( + s.pendingFwdingEvents, + channeldb.ForwardingEvent{ + Timestamp: time.Now(), + IncomingChanID: circuit.Incoming.ChanID, + OutgoingChanID: circuit.Outgoing.ChanID, + AmtIn: circuit.IncomingAmount, + AmtOut: circuit.OutgoingAmount, + }, + ) + s.fwdEventMtx.Unlock() + } + + // Deliver this packet. + return s.mailOrchestrator.Deliver(packet.incomingChanID, packet) +} + +// handlePacketFail handles forwarding a fail packet. +func (s *Switch) handlePacketFail(packet *htlcPacket, + htlc *lnwire.UpdateFailHTLC) error { + + // If the source of this packet has not been set, use the circuit map + // to lookup the origin. + circuit, err := s.closeCircuit(packet) + if err != nil { + return err + } + + // If this is a locally initiated HTLC, we need to handle the packet by + // storing the network result. + // + // A blank IncomingChanID in a circuit indicates that it is a pending + // user-initiated payment. + // + // NOTE: `closeCircuit` modifies the state of `packet`. + if packet.incomingChanID == hop.Source { + // TODO(yy): remove the goroutine and send back the error here. + s.wg.Add(1) + go s.handleLocalResponse(packet) + + // If this is a locally initiated HTLC, there's no need to + // forward it so we exit. + return nil + } + + // Exit early if this hasSource is true. This flag is only set via + // mailbox's `FailAdd`. This method has two callsites, + // - the packet has timed out after `MailboxDeliveryTimeout`, defaults + // to 1 min. + // - the HTLC fails the validation in `channel.AddHTLC`. + // In either case, the `Reason` field is populated. Thus there's no + // need to proceed and extract the failure reason below. + if packet.hasSource { + // Deliver this packet. + return s.mailOrchestrator.Deliver(packet.incomingChanID, packet) + } + + // HTLC resolutions and messages restored from disk don't have the + // obfuscator set from the original htlc add packet - set it here for + // use in blinded errors. + packet.obfuscator = circuit.ErrorEncrypter + + switch { + // No message to encrypt, locally sourced payment. + case circuit.ErrorEncrypter == nil: + // TODO(yy) further check this case as we shouldn't end up here + // as `isLocal` is already false. + + // If this is a resolution message, then we'll need to encrypt it as + // it's actually internally sourced. + case packet.isResolution: + var err error + // TODO(roasbeef): don't need to pass actually? + failure := &lnwire.FailPermanentChannelFailure{} + htlc.Reason, err = circuit.ErrorEncrypter.EncryptFirstHop( + failure, + ) + if err != nil { + err = fmt.Errorf("unable to obfuscate error: %w", err) + log.Error(err) + } + + // Alternatively, if the remote party sends us an + // UpdateFailMalformedHTLC, then we'll need to convert this into a + // proper well formatted onion error as there's no HMAC currently. + case packet.convertedError: + log.Infof("Converting malformed HTLC error for circuit for "+ + "Circuit(%x: (%s, %d) <-> (%s, %d))", + packet.circuit.PaymentHash, + packet.incomingChanID, packet.incomingHTLCID, + packet.outgoingChanID, packet.outgoingHTLCID) + + htlc.Reason = circuit.ErrorEncrypter.EncryptMalformedError( + htlc.Reason, + ) + + default: + // Otherwise, it's a forwarded error, so we'll perform a + // wrapper encryption as normal. + htlc.Reason = circuit.ErrorEncrypter.IntermediateEncrypt( + htlc.Reason, + ) + } + + // Deliver this packet. + return s.mailOrchestrator.Deliver(packet.incomingChanID, packet) +} From 3b6e28d19b992d71b1ab8fd40b46e37660e9c6a1 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 15 Nov 2023 03:58:54 +0800 Subject: [PATCH 286/343] channeldb+htlcswitch: make sure circuit is not nil in `teardownCircuit` --- channeldb/forwarding_package.go | 5 +++ htlcswitch/link.go | 2 +- htlcswitch/switch.go | 57 +++++++++++++-------------------- 3 files changed, 28 insertions(+), 36 deletions(-) diff --git a/channeldb/forwarding_package.go b/channeldb/forwarding_package.go index 09f5671cc9..4c447fc035 100644 --- a/channeldb/forwarding_package.go +++ b/channeldb/forwarding_package.go @@ -211,6 +211,11 @@ func (f *PkgFilter) Decode(r io.Reader) error { return err } +// String returns a human-readable string. +func (f *PkgFilter) String() string { + return fmt.Sprintf("count=%v, filter=%v", f.count, f.filter) +} + // FwdPkg records all adds, settles, and fails that were locked in as a result // of the remote peer sending us a revocation. Each package is identified by // the short chanid and remote commitment height corresponding to the revocation diff --git a/htlcswitch/link.go b/htlcswitch/link.go index 7b7688d9c0..337ce636cd 100644 --- a/htlcswitch/link.go +++ b/htlcswitch/link.go @@ -3297,7 +3297,7 @@ func (l *channelLink) processRemoteSettleFails(fwdPkg *channeldb.FwdPkg, return } - l.log.Debugf("settle-fail-filter %v", fwdPkg.SettleFailFilter) + l.log.Debugf("settle-fail-filter: %v", fwdPkg.SettleFailFilter) var switchPackets []*htlcPacket for i, pd := range settleFails { diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index 9ed4202eec..1ac8f93a56 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -967,7 +967,7 @@ func (s *Switch) handleLocalResponse(pkt *htlcPacket) { // This can only happen if the circuit is still open, which is why this // ordering is chosen. if err := s.teardownCircuit(pkt); err != nil { - log.Warnf("Unable to teardown circuit %s: %v", + log.Errorf("Unable to teardown circuit %s: %v", pkt.inKey(), err) return } @@ -1359,48 +1359,35 @@ func (s *Switch) teardownCircuit(pkt *htlcPacket) error { case *lnwire.UpdateFailHTLC: pktType = "FAIL" default: - err := fmt.Errorf("cannot tear down packet of type: %T", htlc) - log.Errorf(err.Error()) - return err + return fmt.Errorf("cannot tear down packet of type: %T", htlc) } - switch { - case pkt.circuit.HasKeystone(): - log.Debugf("Tearing down open circuit with %s pkt, removing circuit=%v "+ - "with keystone=%v", pktType, pkt.inKey(), pkt.outKey()) + var paymentHash lntypes.Hash - err := s.circuits.DeleteCircuits(pkt.inKey()) - if err != nil { - log.Warnf("Failed to tear down open circuit (%s, %d) <-> (%s, %d) "+ - "with payment_hash-%v using %s pkt", - pkt.incomingChanID, pkt.incomingHTLCID, - pkt.outgoingChanID, pkt.outgoingHTLCID, - pkt.circuit.PaymentHash, pktType) - return err - } - - log.Debugf("Closed completed %s circuit for %x: "+ - "(%s, %d) <-> (%s, %d)", pktType, pkt.circuit.PaymentHash, - pkt.incomingChanID, pkt.incomingHTLCID, - pkt.outgoingChanID, pkt.outgoingHTLCID) + // Perform a defensive check to make sure we don't try to access a nil + // circuit. + circuit := pkt.circuit + if circuit != nil { + copy(paymentHash[:], circuit.PaymentHash[:]) + } - default: - log.Debugf("Tearing down incomplete circuit with %s for inkey=%v", - pktType, pkt.inKey()) + log.Debugf("Tearing down circuit with %s pkt, removing circuit=%v "+ + "with keystone=%v", pktType, pkt.inKey(), pkt.outKey()) - err := s.circuits.DeleteCircuits(pkt.inKey()) - if err != nil { - log.Warnf("Failed to tear down pending %s circuit for %x: "+ - "(%s, %d)", pktType, pkt.circuit.PaymentHash, - pkt.incomingChanID, pkt.incomingHTLCID) - return err - } + err := s.circuits.DeleteCircuits(pkt.inKey()) + if err != nil { + log.Warnf("Failed to tear down circuit (%s, %d) <-> (%s, %d) "+ + "with payment_hash=%v using %s pkt", pkt.incomingChanID, + pkt.incomingHTLCID, pkt.outgoingChanID, + pkt.outgoingHTLCID, pkt.circuit.PaymentHash, pktType) - log.Debugf("Removed pending onion circuit for %x: "+ - "(%s, %d)", pkt.circuit.PaymentHash, - pkt.incomingChanID, pkt.incomingHTLCID) + return err } + log.Debugf("Closed %s circuit for %v: (%s, %d) <-> (%s, %d)", pktType, + paymentHash, pkt.incomingChanID, pkt.incomingHTLCID, + pkt.outgoingChanID, pkt.outgoingHTLCID) + return nil } From bbf58ab444a46a598b359d0bdf006423f933e446 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 13 Nov 2023 17:00:47 +0800 Subject: [PATCH 287/343] routing: add new method `resumePayments` to handle payments during startup --- routing/router.go | 176 +++++++++++++++++++++++++--------------------- 1 file changed, 94 insertions(+), 82 deletions(-) diff --git a/routing/router.go b/routing/router.go index 4e8e0846b7..e5c55e6093 100644 --- a/routing/router.go +++ b/routing/router.go @@ -336,88 +336,8 @@ func (r *ChannelRouter) Start() error { // If any payments are still in flight, we resume, to make sure their // results are properly handled. - payments, err := r.cfg.Control.FetchInFlightPayments() - if err != nil { - return err - } - - // Before we restart existing payments and start accepting more - // payments to be made, we clean the network result store of the - // Switch. We do this here at startup to ensure no more payments can be - // made concurrently, so we know the toKeep map will be up-to-date - // until the cleaning has finished. - toKeep := make(map[uint64]struct{}) - for _, p := range payments { - for _, a := range p.HTLCs { - toKeep[a.AttemptID] = struct{}{} - } - } - - log.Debugf("Cleaning network result store.") - if err := r.cfg.Payer.CleanStore(toKeep); err != nil { - return err - } - - for _, payment := range payments { - log.Infof("Resuming payment %v", payment.Info.PaymentIdentifier) - r.wg.Add(1) - go func(payment *channeldb.MPPayment) { - defer r.wg.Done() - - // Get the hashes used for the outstanding HTLCs. - htlcs := make(map[uint64]lntypes.Hash) - for _, a := range payment.HTLCs { - a := a - - // We check whether the individual attempts - // have their HTLC hash set, if not we'll fall - // back to the overall payment hash. - hash := payment.Info.PaymentIdentifier - if a.Hash != nil { - hash = *a.Hash - } - - htlcs[a.AttemptID] = hash - } - - // Since we are not supporting creating more shards - // after a restart (only receiving the result of the - // shards already outstanding), we create a simple - // shard tracker that will map the attempt IDs to - // hashes used for the HTLCs. This will be enough also - // for AMP payments, since we only need the hashes for - // the individual HTLCs to regenerate the circuits, and - // we don't currently persist the root share necessary - // to re-derive them. - shardTracker := shards.NewSimpleShardTracker( - payment.Info.PaymentIdentifier, htlcs, - ) - - // We create a dummy, empty payment session such that - // we won't make another payment attempt when the - // result for the in-flight attempt is received. - paySession := r.cfg.SessionSource.NewPaymentSessionEmpty() - - // We pass in a non-timeout context, to indicate we - // don't need it to timeout. It will stop immediately - // after the existing attempt has finished anyway. We - // also set a zero fee limit, as no more routes should - // be tried. - noTimeout := time.Duration(0) - _, _, err := r.sendPayment( - context.Background(), 0, - payment.Info.PaymentIdentifier, noTimeout, - paySession, shardTracker, - ) - if err != nil { - log.Errorf("Resuming payment %v failed: %v.", - payment.Info.PaymentIdentifier, err) - return - } - - log.Infof("Resumed payment %v completed.", - payment.Info.PaymentIdentifier) - }(payment) + if err := r.resumePayments(); err != nil { + log.Error("Failed to resume payments during startup") } return nil @@ -1451,6 +1371,98 @@ func (r *ChannelRouter) BuildRoute(amt fn.Option[lnwire.MilliSatoshi], ) } +// resumePayments fetches inflight payments and resumes their payment +// lifecycles. +func (r *ChannelRouter) resumePayments() error { + // Get all payments that are inflight. + payments, err := r.cfg.Control.FetchInFlightPayments() + if err != nil { + return err + } + + // Before we restart existing payments and start accepting more + // payments to be made, we clean the network result store of the + // Switch. We do this here at startup to ensure no more payments can be + // made concurrently, so we know the toKeep map will be up-to-date + // until the cleaning has finished. + toKeep := make(map[uint64]struct{}) + for _, p := range payments { + for _, a := range p.HTLCs { + toKeep[a.AttemptID] = struct{}{} + } + } + + log.Debugf("Cleaning network result store.") + if err := r.cfg.Payer.CleanStore(toKeep); err != nil { + return err + } + + // launchPayment is a helper closure that handles resuming the payment. + launchPayment := func(payment *channeldb.MPPayment) { + defer r.wg.Done() + + // Get the hashes used for the outstanding HTLCs. + htlcs := make(map[uint64]lntypes.Hash) + for _, a := range payment.HTLCs { + a := a + + // We check whether the individual attempts have their + // HTLC hash set, if not we'll fall back to the overall + // payment hash. + hash := payment.Info.PaymentIdentifier + if a.Hash != nil { + hash = *a.Hash + } + + htlcs[a.AttemptID] = hash + } + + payHash := payment.Info.PaymentIdentifier + + // Since we are not supporting creating more shards after a + // restart (only receiving the result of the shards already + // outstanding), we create a simple shard tracker that will map + // the attempt IDs to hashes used for the HTLCs. This will be + // enough also for AMP payments, since we only need the hashes + // for the individual HTLCs to regenerate the circuits, and we + // don't currently persist the root share necessary to + // re-derive them. + shardTracker := shards.NewSimpleShardTracker(payHash, htlcs) + + // We create a dummy, empty payment session such that we won't + // make another payment attempt when the result for the + // in-flight attempt is received. + paySession := r.cfg.SessionSource.NewPaymentSessionEmpty() + + // We pass in a non-timeout context, to indicate we don't need + // it to timeout. It will stop immediately after the existing + // attempt has finished anyway. We also set a zero fee limit, + // as no more routes should be tried. + noTimeout := time.Duration(0) + _, _, err := r.sendPayment( + context.Background(), 0, payHash, noTimeout, paySession, + shardTracker, + ) + if err != nil { + log.Errorf("Resuming payment %v failed: %v", payHash, + err) + + return + } + + log.Infof("Resumed payment %v completed", payHash) + } + + for _, payment := range payments { + log.Infof("Resuming payment %v", payment.Info.PaymentIdentifier) + + r.wg.Add(1) + go launchPayment(payment) + } + + return nil +} + // getEdgeUnifiers returns a list of edge unifiers for the given route. func getEdgeUnifiers(source route.Vertex, hops []route.Vertex, outgoingChans map[uint64]struct{}, From b998ce11f18ab9f43575fc83d1193e9312105306 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 16 Nov 2023 20:53:19 +0800 Subject: [PATCH 288/343] routing+htlcswitch: add new interface method `HasAttemptResult` --- htlcswitch/switch.go | 15 +++++++++++++++ routing/mock_test.go | 17 +++++++++++++++++ routing/router.go | 10 ++++++++++ 3 files changed, 42 insertions(+) diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index 1ac8f93a56..0cd3d7c3db 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -431,6 +431,21 @@ func (s *Switch) ProcessContractResolution(msg contractcourt.ResolutionMsg) erro } } +// HasAttemptResult reads the network result store to fetch the specified +// attempt. Returns true if the attempt result exists. +func (s *Switch) HasAttemptResult(attemptID uint64) (bool, error) { + _, err := s.networkResults.getResult(attemptID) + if err == nil { + return true, nil + } + + if !errors.Is(err, ErrPaymentIDNotFound) { + return false, err + } + + return false, nil +} + // GetAttemptResult returns the result of the HTLC attempt with the given // attemptID. The paymentHash should be set to the payment's overall hash, or // in case of AMP payments the payment's unique identifier. diff --git a/routing/mock_test.go b/routing/mock_test.go index f712c420de..306c182107 100644 --- a/routing/mock_test.go +++ b/routing/mock_test.go @@ -60,6 +60,12 @@ func (m *mockPaymentAttemptDispatcherOld) SendHTLC( return nil } +func (m *mockPaymentAttemptDispatcherOld) HasAttemptResult( + attemptID uint64) (bool, error) { + + return false, nil +} + func (m *mockPaymentAttemptDispatcherOld) GetAttemptResult(paymentID uint64, _ lntypes.Hash, _ htlcswitch.ErrorDecrypter) ( <-chan *htlcswitch.PaymentResult, error) { @@ -209,6 +215,10 @@ func (m *mockPayerOld) SendHTLC(_ lnwire.ShortChannelID, } +func (m *mockPayerOld) HasAttemptResult(attemptID uint64) (bool, error) { + return false, nil +} + func (m *mockPayerOld) GetAttemptResult(paymentID uint64, _ lntypes.Hash, _ htlcswitch.ErrorDecrypter) (<-chan *htlcswitch.PaymentResult, error) { @@ -585,6 +595,13 @@ func (m *mockPaymentAttemptDispatcher) SendHTLC(firstHop lnwire.ShortChannelID, return args.Error(0) } +func (m *mockPaymentAttemptDispatcher) HasAttemptResult( + attemptID uint64) (bool, error) { + + args := m.Called(attemptID) + return args.Bool(0), args.Error(1) +} + func (m *mockPaymentAttemptDispatcher) GetAttemptResult(attemptID uint64, paymentHash lntypes.Hash, deobfuscator htlcswitch.ErrorDecrypter) ( <-chan *htlcswitch.PaymentResult, error) { diff --git a/routing/router.go b/routing/router.go index e5c55e6093..c121982772 100644 --- a/routing/router.go +++ b/routing/router.go @@ -135,6 +135,16 @@ type PaymentAttemptDispatcher interface { // NOTE: New payment attempts MUST NOT be made after the keepPids map // has been created and this method has returned. CleanStore(keepPids map[uint64]struct{}) error + + // HasAttemptResult reads the network result store to fetch the + // specified attempt. Returns true if the attempt result exists. + // + // NOTE: This method is used and should only be used by the router to + // resume payments during startup. It can be viewed as a subset of + // `GetAttemptResult` in terms of its functionality, and can be removed + // once we move the construction of `UpdateAddHTLC` and + // `ErrorDecrypter` into `htlcswitch`. + HasAttemptResult(attemptID uint64) (bool, error) } // PaymentSessionSource is an interface that defines a source for the router to From c2f7e6a66f15baadf785f5bc7aa37c181d1dc20a Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 16 Nov 2023 20:53:43 +0800 Subject: [PATCH 289/343] routing: fail stale HTLC attempts during startup This commit adds a check during router's startup and fails the inflight HTLCs if they are routing using channels unknown to us. The channels are unknown because they are already closed, usually long time ago. --- routing/router.go | 128 +++++++++++++++++++++++++++++++++++++++++ routing/router_test.go | 16 +++++- server.go | 25 ++++---- 3 files changed, 154 insertions(+), 15 deletions(-) diff --git a/routing/router.go b/routing/router.go index c121982772..5862ed12e2 100644 --- a/routing/router.go +++ b/routing/router.go @@ -285,6 +285,13 @@ type Config struct { // ApplyChannelUpdate can be called to apply a new channel update to the // graph that we received from a payment failure. ApplyChannelUpdate func(msg *lnwire.ChannelUpdate) bool + + // FetchClosedChannels is used by the router to fetch closed channels. + // + // TODO(yy): remove this method once the root cause of stuck payments + // is found. + FetchClosedChannels func(pendingOnly bool) ( + []*channeldb.ChannelCloseSummary, error) } // EdgeLocator is a struct used to identify a specific edge. @@ -1384,6 +1391,19 @@ func (r *ChannelRouter) BuildRoute(amt fn.Option[lnwire.MilliSatoshi], // resumePayments fetches inflight payments and resumes their payment // lifecycles. func (r *ChannelRouter) resumePayments() error { + // Get a list of closed channels. + channels, err := r.cfg.FetchClosedChannels(false) + if err != nil { + return err + } + + closedSCIDs := make(map[lnwire.ShortChannelID]struct{}, len(channels)) + for _, c := range channels { + if !c.IsPending { + closedSCIDs[c.ShortChanID] = struct{}{} + } + } + // Get all payments that are inflight. payments, err := r.cfg.Control.FetchInFlightPayments() if err != nil { @@ -1399,6 +1419,12 @@ func (r *ChannelRouter) resumePayments() error { for _, p := range payments { for _, a := range p.HTLCs { toKeep[a.AttemptID] = struct{}{} + + // Try to fail the attempt if the route contains a dead + // channel. + r.failStaleAttempt( + a, p.Info.PaymentIdentifier, closedSCIDs, + ) } } @@ -1473,6 +1499,108 @@ func (r *ChannelRouter) resumePayments() error { return nil } +// failStaleAttempt will fail an HTLC attempt if it's using an unknown channel +// in its route. It first consults the switch to see if there's already a +// network result stored for this attempt. If not, it will check whether the +// first hop of this attempt is using an active channel known to us. If +// inactive, this attempt will be failed. +// +// NOTE: there's an unknown bug that caused the network result for a particular +// attempt to NOT be saved, resulting a payment being stuck forever. More info: +// - https://github.com/lightningnetwork/lnd/issues/8146 +// - https://github.com/lightningnetwork/lnd/pull/8174 +func (r *ChannelRouter) failStaleAttempt(a channeldb.HTLCAttempt, + payHash lntypes.Hash, closedSCIDs map[lnwire.ShortChannelID]struct{}) { + + // We can only fail inflight HTLCs so we skip the settled/failed ones. + if a.Failure != nil || a.Settle != nil { + return + } + + // First, check if we've already had a network result for this attempt. + // If no result is found, we'll check whether the reference link is + // still known to us. + ok, err := r.cfg.Payer.HasAttemptResult(a.AttemptID) + if err != nil { + log.Errorf("Failed to fetch network result for attempt=%v", + a.AttemptID) + return + } + + // There's already a network result, no need to fail it here as the + // payment lifecycle will take care of it, so we can exit early. + if ok { + log.Debugf("Already have network result for attempt=%v", + a.AttemptID) + return + } + + // We now need to decide whether this attempt should be failed here. + // For very old payments, it's possible that the network results were + // never saved, causing the payments to be stuck inflight. We now check + // whether the first hop is referencing an active channel ID and, if + // not, we will fail the attempt as it has no way to be retried again. + var shouldFail bool + + // Validate that the attempt has hop info. If this attempt has no hop + // info it indicates an error in our db. + if len(a.Route.Hops) == 0 { + log.Errorf("Found empty hop for attempt=%v", a.AttemptID) + + shouldFail = true + } else { + // Get the short channel ID. + chanID := a.Route.Hops[0].ChannelID + scid := lnwire.NewShortChanIDFromInt(chanID) + + // Check whether this link is active. If so, we won't fail the + // attempt but keep waiting for its result. + _, err := r.cfg.GetLink(scid) + if err == nil { + return + } + + // We should get the link not found err. If not, we will log an + // error and skip failing this attempt since an unknown error + // occurred. + if !errors.Is(err, htlcswitch.ErrChannelLinkNotFound) { + log.Errorf("Failed to get link for attempt=%v for "+ + "payment=%v: %v", a.AttemptID, payHash, err) + + return + } + + // The channel link is not active, we now check whether this + // channel is already closed. If so, we fail it as there's no + // need to wait for the network result because it won't be + // re-sent. If the channel is still pending, we'll keep waiting + // for the result as we may get a contract resolution for this + // HTLC. + if _, ok := closedSCIDs[scid]; ok { + shouldFail = true + } + } + + // Exit if there's no need to fail. + if !shouldFail { + return + } + + log.Errorf("Failing stale attempt=%v for payment=%v", a.AttemptID, + payHash) + + // Fail the attempt in db. If there's an error, there's nothing we can + // do here but logging it. + failInfo := &channeldb.HTLCFailInfo{ + Reason: channeldb.HTLCFailUnknown, + FailTime: r.cfg.Clock.Now(), + } + _, err = r.cfg.Control.FailAttempt(payHash, a.AttemptID, failInfo) + if err != nil { + log.Errorf("Fail attempt=%v got error: %v", a.AttemptID, err) + } +} + // getEdgeUnifiers returns a list of edge unifiers for the given route. func getEdgeUnifiers(source route.Vertex, hops []route.Vertex, outgoingChans map[uint64]struct{}, diff --git a/routing/router_test.go b/routing/router_test.go index 3a9b97d290..72c7b206b0 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -93,6 +93,10 @@ func (c *testCtx) getChannelIDFromAlias(t *testing.T, a, b string) uint64 { return channelID } +func mockFetchClosedChannels(_ bool) ([]*channeldb.ChannelCloseSummary, error) { + return nil, nil +} + func createTestCtxFromGraphInstance(t *testing.T, startingHeight uint32, graphInstance *testGraphInstance) *testCtx { @@ -158,9 +162,10 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, next := atomic.AddUint64(&uniquePaymentID, 1) return next, nil }, - PathFindingConfig: pathFindingConfig, - Clock: clock.NewTestClock(time.Unix(1, 0)), - ApplyChannelUpdate: graphBuilder.ApplyChannelUpdate, + PathFindingConfig: pathFindingConfig, + Clock: clock.NewTestClock(time.Unix(1, 0)), + ApplyChannelUpdate: graphBuilder.ApplyChannelUpdate, + FetchClosedChannels: mockFetchClosedChannels, }) require.NoError(t, router.Start(), "unable to start router") @@ -2170,6 +2175,7 @@ func TestSendToRouteSkipTempErrSuccess(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, + FetchClosedChannels: mockFetchClosedChannels, }} // Register mockers with the expected method calls. @@ -2253,6 +2259,7 @@ func TestSendToRouteSkipTempErrNonMPP(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, + FetchClosedChannels: mockFetchClosedChannels, }} // Expect an error to be returned. @@ -2307,6 +2314,7 @@ func TestSendToRouteSkipTempErrTempFailure(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, + FetchClosedChannels: mockFetchClosedChannels, }} // Create the error to be returned. @@ -2389,6 +2397,7 @@ func TestSendToRouteSkipTempErrPermanentFailure(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, + FetchClosedChannels: mockFetchClosedChannels, }} // Create the error to be returned. @@ -2475,6 +2484,7 @@ func TestSendToRouteTempFailure(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, + FetchClosedChannels: mockFetchClosedChannels, }} // Create the error to be returned. diff --git a/server.go b/server.go index a99591997f..ead67d1027 100644 --- a/server.go +++ b/server.go @@ -993,18 +993,19 @@ func newServer(cfg *Config, listenAddrs []net.Addr, } s.chanRouter, err = routing.New(routing.Config{ - SelfNode: selfNode.PubKeyBytes, - RoutingGraph: graphsession.NewRoutingGraph(chanGraph), - Chain: cc.ChainIO, - Payer: s.htlcSwitch, - Control: s.controlTower, - MissionControl: s.missionControl, - SessionSource: paymentSessionSource, - GetLink: s.htlcSwitch.GetLinkByShortID, - NextPaymentID: sequencer.NextID, - PathFindingConfig: pathFindingConfig, - Clock: clock.NewDefaultClock(), - ApplyChannelUpdate: s.graphBuilder.ApplyChannelUpdate, + SelfNode: selfNode.PubKeyBytes, + RoutingGraph: graphsession.NewRoutingGraph(chanGraph), + Chain: cc.ChainIO, + Payer: s.htlcSwitch, + Control: s.controlTower, + MissionControl: s.missionControl, + SessionSource: paymentSessionSource, + GetLink: s.htlcSwitch.GetLinkByShortID, + NextPaymentID: sequencer.NextID, + PathFindingConfig: pathFindingConfig, + Clock: clock.NewDefaultClock(), + ApplyChannelUpdate: s.graphBuilder.ApplyChannelUpdate, + FetchClosedChannels: s.chanStateDB.FetchClosedChannels, }) if err != nil { return nil, fmt.Errorf("can't create router: %w", err) From e8f292edf46a5710369e11472a50afccff6886f9 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Thu, 16 Nov 2023 20:58:32 +0800 Subject: [PATCH 290/343] docs: update release notes re stuck payment fix --- docs/release-notes/release-notes-0.18.3.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 02fd7697d0..047d85ba93 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -48,6 +48,15 @@ bumping an anchor channel closing was not possible when no HTLCs were on the commitment when the channel was force closed. +* [Fixed](https://github.com/lightningnetwork/lnd/pull/8174) old payments that + are stuck inflight. Though the root cause is unknown, it's possible the + network result for a given HTLC attempt was not saved, which is now fixed. + Check + [here](https://github.com/lightningnetwork/lnd/pull/8174#issue-1992055103) + for the details about the analysis, and + [here](https://github.com/lightningnetwork/lnd/issues/8146) for a summary of + the issue. + # New Features ## Functional Enhancements ## RPC Additions From 188aa9a4d47fde1f037d63aa2b94f380f45fd2a2 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Fri, 17 Nov 2023 21:07:53 +0800 Subject: [PATCH 291/343] routing+lnd: prepare closed channel SCIDs in server The method `FetchClosedChannels` sometimes prematurely mark a pending force closing channel as finalized, therefore we need to furthur check `FetchPendingChannels` to make sure the channel is indeed finalized. --- routing/router.go | 39 +++++++--------------- routing/router_test.go | 22 ++++++------- server.go | 75 ++++++++++++++++++++++++++++++++++-------- 3 files changed, 83 insertions(+), 53 deletions(-) diff --git a/routing/router.go b/routing/router.go index 5862ed12e2..94ceafaca1 100644 --- a/routing/router.go +++ b/routing/router.go @@ -286,12 +286,10 @@ type Config struct { // graph that we received from a payment failure. ApplyChannelUpdate func(msg *lnwire.ChannelUpdate) bool - // FetchClosedChannels is used by the router to fetch closed channels. + // ClosedSCIDs is used by the router to fetch closed channels. // - // TODO(yy): remove this method once the root cause of stuck payments - // is found. - FetchClosedChannels func(pendingOnly bool) ( - []*channeldb.ChannelCloseSummary, error) + // TODO(yy): remove it once the root cause of stuck payments is found. + ClosedSCIDs map[lnwire.ShortChannelID]struct{} } // EdgeLocator is a struct used to identify a specific edge. @@ -1391,19 +1389,6 @@ func (r *ChannelRouter) BuildRoute(amt fn.Option[lnwire.MilliSatoshi], // resumePayments fetches inflight payments and resumes their payment // lifecycles. func (r *ChannelRouter) resumePayments() error { - // Get a list of closed channels. - channels, err := r.cfg.FetchClosedChannels(false) - if err != nil { - return err - } - - closedSCIDs := make(map[lnwire.ShortChannelID]struct{}, len(channels)) - for _, c := range channels { - if !c.IsPending { - closedSCIDs[c.ShortChanID] = struct{}{} - } - } - // Get all payments that are inflight. payments, err := r.cfg.Control.FetchInFlightPayments() if err != nil { @@ -1422,9 +1407,7 @@ func (r *ChannelRouter) resumePayments() error { // Try to fail the attempt if the route contains a dead // channel. - r.failStaleAttempt( - a, p.Info.PaymentIdentifier, closedSCIDs, - ) + r.failStaleAttempt(a, p.Info.PaymentIdentifier) } } @@ -1510,7 +1493,7 @@ func (r *ChannelRouter) resumePayments() error { // - https://github.com/lightningnetwork/lnd/issues/8146 // - https://github.com/lightningnetwork/lnd/pull/8174 func (r *ChannelRouter) failStaleAttempt(a channeldb.HTLCAttempt, - payHash lntypes.Hash, closedSCIDs map[lnwire.ShortChannelID]struct{}) { + payHash lntypes.Hash) { // We can only fail inflight HTLCs so we skip the settled/failed ones. if a.Failure != nil || a.Settle != nil { @@ -1571,12 +1554,12 @@ func (r *ChannelRouter) failStaleAttempt(a channeldb.HTLCAttempt, } // The channel link is not active, we now check whether this - // channel is already closed. If so, we fail it as there's no - // need to wait for the network result because it won't be - // re-sent. If the channel is still pending, we'll keep waiting - // for the result as we may get a contract resolution for this - // HTLC. - if _, ok := closedSCIDs[scid]; ok { + // channel is already closed. If so, we fail the HTLC attempt + // as there's no need to wait for its network result because + // there's no link. If the channel is still pending, we'll keep + // waiting for the result as we may get a contract resolution + // for this HTLC. + if _, ok := r.cfg.ClosedSCIDs[scid]; ok { shouldFail = true } } diff --git a/routing/router_test.go b/routing/router_test.go index 72c7b206b0..073761fa05 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -93,9 +93,7 @@ func (c *testCtx) getChannelIDFromAlias(t *testing.T, a, b string) uint64 { return channelID } -func mockFetchClosedChannels(_ bool) ([]*channeldb.ChannelCloseSummary, error) { - return nil, nil -} +var mockClosedSCIDs map[lnwire.ShortChannelID]struct{} func createTestCtxFromGraphInstance(t *testing.T, startingHeight uint32, graphInstance *testGraphInstance) *testCtx { @@ -162,10 +160,10 @@ func createTestCtxFromGraphInstanceAssumeValid(t *testing.T, next := atomic.AddUint64(&uniquePaymentID, 1) return next, nil }, - PathFindingConfig: pathFindingConfig, - Clock: clock.NewTestClock(time.Unix(1, 0)), - ApplyChannelUpdate: graphBuilder.ApplyChannelUpdate, - FetchClosedChannels: mockFetchClosedChannels, + PathFindingConfig: pathFindingConfig, + Clock: clock.NewTestClock(time.Unix(1, 0)), + ApplyChannelUpdate: graphBuilder.ApplyChannelUpdate, + ClosedSCIDs: mockClosedSCIDs, }) require.NoError(t, router.Start(), "unable to start router") @@ -2175,7 +2173,7 @@ func TestSendToRouteSkipTempErrSuccess(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, - FetchClosedChannels: mockFetchClosedChannels, + ClosedSCIDs: mockClosedSCIDs, }} // Register mockers with the expected method calls. @@ -2259,7 +2257,7 @@ func TestSendToRouteSkipTempErrNonMPP(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, - FetchClosedChannels: mockFetchClosedChannels, + ClosedSCIDs: mockClosedSCIDs, }} // Expect an error to be returned. @@ -2314,7 +2312,7 @@ func TestSendToRouteSkipTempErrTempFailure(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, - FetchClosedChannels: mockFetchClosedChannels, + ClosedSCIDs: mockClosedSCIDs, }} // Create the error to be returned. @@ -2397,7 +2395,7 @@ func TestSendToRouteSkipTempErrPermanentFailure(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, - FetchClosedChannels: mockFetchClosedChannels, + ClosedSCIDs: mockClosedSCIDs, }} // Create the error to be returned. @@ -2484,7 +2482,7 @@ func TestSendToRouteTempFailure(t *testing.T) { NextPaymentID: func() (uint64, error) { return 0, nil }, - FetchClosedChannels: mockFetchClosedChannels, + ClosedSCIDs: mockClosedSCIDs, }} // Create the error to be returned. diff --git a/server.go b/server.go index ead67d1027..555ee26274 100644 --- a/server.go +++ b/server.go @@ -993,19 +993,19 @@ func newServer(cfg *Config, listenAddrs []net.Addr, } s.chanRouter, err = routing.New(routing.Config{ - SelfNode: selfNode.PubKeyBytes, - RoutingGraph: graphsession.NewRoutingGraph(chanGraph), - Chain: cc.ChainIO, - Payer: s.htlcSwitch, - Control: s.controlTower, - MissionControl: s.missionControl, - SessionSource: paymentSessionSource, - GetLink: s.htlcSwitch.GetLinkByShortID, - NextPaymentID: sequencer.NextID, - PathFindingConfig: pathFindingConfig, - Clock: clock.NewDefaultClock(), - ApplyChannelUpdate: s.graphBuilder.ApplyChannelUpdate, - FetchClosedChannels: s.chanStateDB.FetchClosedChannels, + SelfNode: selfNode.PubKeyBytes, + RoutingGraph: graphsession.NewRoutingGraph(chanGraph), + Chain: cc.ChainIO, + Payer: s.htlcSwitch, + Control: s.controlTower, + MissionControl: s.missionControl, + SessionSource: paymentSessionSource, + GetLink: s.htlcSwitch.GetLinkByShortID, + NextPaymentID: sequencer.NextID, + PathFindingConfig: pathFindingConfig, + Clock: clock.NewDefaultClock(), + ApplyChannelUpdate: s.graphBuilder.ApplyChannelUpdate, + ClosedSCIDs: s.fetchClosedChannelSCIDs(), }) if err != nil { return nil, fmt.Errorf("can't create router: %w", err) @@ -4830,3 +4830,52 @@ func shouldPeerBootstrap(cfg *Config) bool { // covering the bootstrapping process. return !cfg.NoNetBootstrap && !isDevNetwork } + +// fetchClosedChannelSCIDs returns a set of SCIDs that have their force closing +// finished. +func (s *server) fetchClosedChannelSCIDs() map[lnwire.ShortChannelID]struct{} { + // Get a list of closed channels. + channels, err := s.chanStateDB.FetchClosedChannels(false) + if err != nil { + srvrLog.Errorf("Failed to fetch closed channels: %v", err) + return nil + } + + // Save the SCIDs in a map. + closedSCIDs := make(map[lnwire.ShortChannelID]struct{}, len(channels)) + for _, c := range channels { + // If the channel is not pending, its FC has been finalized. + if !c.IsPending { + closedSCIDs[c.ShortChanID] = struct{}{} + } + } + + // Double check whether the reported closed channel has indeed finished + // closing. + // + // NOTE: There are misalignments regarding when a channel's FC is + // marked as finalized. We double check the pending channels to make + // sure the returned SCIDs are indeed terminated. + // + // TODO(yy): fix the misalignments in `FetchClosedChannels`. + pendings, err := s.chanStateDB.FetchPendingChannels() + if err != nil { + srvrLog.Errorf("Failed to fetch pending channels: %v", err) + return nil + } + + for _, c := range pendings { + if _, ok := closedSCIDs[c.ShortChannelID]; !ok { + continue + } + + // If the channel is still reported as pending, remove it from + // the map. + delete(closedSCIDs, c.ShortChannelID) + + srvrLog.Warnf("Channel=%v is prematurely marked as finalized", + c.ShortChannelID) + } + + return closedSCIDs +} From 7aba5cbc0aba769bdda183a2d52fb707199bf530 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Mon, 22 Jul 2024 21:46:42 +0800 Subject: [PATCH 292/343] routing: fix linter complains --- htlcswitch/switch.go | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/htlcswitch/switch.go b/htlcswitch/switch.go index 0cd3d7c3db..efd469f785 100644 --- a/htlcswitch/switch.go +++ b/htlcswitch/switch.go @@ -2910,7 +2910,8 @@ func (s *Switch) handlePacketAdd(packet *htlcPacket, // Choose a random link out of the set of links that can forward this // htlc. The reason for randomization is to evenly distribute the htlc // load without making assumptions about what the best channel is. - destination := destinations[rand.Intn(len(destinations))] // nolint:gosec + //nolint:gosec + destination := destinations[rand.Intn(len(destinations))] // Retrieve the incoming link by its ShortChannelID. Note that the // incomingChanID is never set to hop.Source here. From 677f2c390a0846afd4aeb083f8067fe50d909b72 Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Wed, 24 Jul 2024 03:10:31 +0800 Subject: [PATCH 293/343] lntest: re-define `CleanupForceClose` To reflect the new sweeping behavior, also makes it easier to be used as we need to method to quickly cleanup force closes without concerning the details when we are not testing the force close behavior. --- lntest/harness.go | 25 ++++--------------------- lntest/harness_miner.go | 23 ++++++++++++----------- 2 files changed, 16 insertions(+), 32 deletions(-) diff --git a/lntest/harness.go b/lntest/harness.go index 3e7ae3fae8..e8996e9a64 100644 --- a/lntest/harness.go +++ b/lntest/harness.go @@ -1626,31 +1626,14 @@ func (h *HarnessTest) OpenChannelPsbt(srcNode, destNode *node.HarnessNode, return respStream, upd.PsbtFund.Psbt } -// CleanupForceClose mines a force close commitment found in the mempool and -// the following sweep transaction from the force closing node. +// CleanupForceClose mines blocks to clean up the force close process. This is +// used for tests that are not asserting the expected behavior is found during +// the force close process, e.g., num of sweeps, etc. Instead, it provides a +// shortcut to move the test forward with a clean mempool. func (h *HarnessTest) CleanupForceClose(hn *node.HarnessNode) { // Wait for the channel to be marked pending force close. h.AssertNumPendingForceClose(hn, 1) - // Mine enough blocks for the node to sweep its funds from the force - // closed channel. The commit sweep resolver is able to offer the input - // to the sweeper at defaulCSV-1, and broadcast the sweep tx once one - // more block is mined. - // - // NOTE: we might empty blocks here as we don't know the exact number - // of blocks to mine. This may end up mining more blocks than needed. - h.MineEmptyBlocks(node.DefaultCSV - 1) - - // Assert there is one pending sweep. - h.AssertNumPendingSweeps(hn, 1) - - // Mine a block to trigger the sweep. - h.MineEmptyBlocks(1) - - // The node should now sweep the funds, clean up by mining the sweeping - // tx. - h.MineBlocksAndAssertNumTxes(1, 1) - // Mine blocks to get any second level HTLC resolved. If there are no // HTLCs, this will behave like h.AssertNumPendingCloseChannels. h.mineTillForceCloseResolved(hn) diff --git a/lntest/harness_miner.go b/lntest/harness_miner.go index 65994d254f..bc9aef1805 100644 --- a/lntest/harness_miner.go +++ b/lntest/harness_miner.go @@ -167,16 +167,9 @@ func (h *HarnessTest) cleanMempool() { } // mineTillForceCloseResolved asserts that the number of pending close channels -// are zero. Each time it checks, a new block is mined using MineBlocksSlow to -// give the node some time to catch up the chain. -// -// NOTE: this method is a workaround to make sure we have a clean mempool at -// the end of a channel force closure. We cannot directly mine blocks and -// assert channels being fully closed because the subsystems in lnd don't share -// the same block height. This is especially the case when blocks are produced -// too fast. -// TODO(yy): remove this workaround when syncing blocks are unified in all the -// subsystems. +// are zero. Each time it checks, an empty block is mined, followed by a +// mempool check to see if there are any sweeping txns. If found, these txns +// are then mined to clean up the mempool. func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { _, startHeight := h.GetBestBlock() @@ -184,7 +177,15 @@ func (h *HarnessTest) mineTillForceCloseResolved(hn *node.HarnessNode) { resp := hn.RPC.PendingChannels() total := len(resp.PendingForceClosingChannels) if total != 0 { - h.MineBlocks(1) + // Mine an empty block first. + h.MineEmptyBlocks(1) + + // If there are new sweeping txns, mine a block to + // confirm it. + mem := h.GetRawMempool() + if len(mem) != 0 { + h.MineBlocksAndAssertNumTxes(1, len(mem)) + } return fmt.Errorf("expected num of pending force " + "close channel to be zero") From bc31a8b36f3bbf9846afd86a1a270672c3e0ca8c Mon Sep 17 00:00:00 2001 From: yyforyongyu Date: Tue, 6 Aug 2024 20:28:08 +0800 Subject: [PATCH 294/343] routing: fix doc string --- routing/router.go | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/routing/router.go b/routing/router.go index 94ceafaca1..ec134a15b8 100644 --- a/routing/router.go +++ b/routing/router.go @@ -262,9 +262,9 @@ type Config struct { // sessions. SessionSource PaymentSessionSource - // QueryBandwidth is a method that allows the router to query the lower - // link layer to determine the up-to-date available bandwidth at a - // prospective link to be traversed. If the link isn't available, then + // GetLink is a method that allows the router to query the lower link + // layer to determine the up-to-date available bandwidth at a + // prospective link to be traversed. If the link isn't available, then // a value of zero should be returned. Otherwise, the current up-to- // date knowledge of the available bandwidth of the link should be // returned. From e47160d257760748838328944470f834ca5026c1 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 7 Aug 2024 16:51:09 +0200 Subject: [PATCH 295/343] routing: fix MC probability order for blinded paths Fix the blinded path probability sorting function. Also fix the test assertion function. --- routing/router.go | 2 +- routing/router_test.go | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/routing/router.go b/routing/router.go index 4169548c51..b5bca5d7cd 100644 --- a/routing/router.go +++ b/routing/router.go @@ -746,7 +746,7 @@ func (r *ChannelRouter) FindBlindedPaths(destination route.Vertex, // Sort the routes based on probability. sort.Slice(routes, func(i, j int) bool { - return routes[i].probability < routes[j].probability + return routes[i].probability > routes[j].probability }) // Now just choose the best paths up until the maximum number of allowed diff --git a/routing/router_test.go b/routing/router_test.go index 3a9b97d290..fb02024d2a 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -3150,7 +3150,7 @@ func TestFindBlindedPathsWithMC(t *testing.T) { } for i, path := range expectedPaths { - require.Equal(t, expectedPaths[i], path) + require.Equal(t, path, actualPaths[i]) } } From ca91e17115c0840aac36c0ab3b3c4fb4f316b9f8 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Sat, 3 Aug 2024 14:24:23 +0200 Subject: [PATCH 296/343] invoicesrpc: move blinded path config to AddInvoiceData since `AddInvoiceData` is config _per invoice_ where as `AddInvoiceConfig` is config for the invoice server itself and so pretty much should stay the same for the lifetime of LND. This change sets us up for moving some of the blinded path config options to be changeable per AddInvoice call rather that having fixed config values in the config file. --- lnrpc/invoicesrpc/addinvoice.go | 80 ++++++++++++++++++--------------- rpcserver.go | 46 ++++++++++++------- 2 files changed, 74 insertions(+), 52 deletions(-) diff --git a/lnrpc/invoicesrpc/addinvoice.go b/lnrpc/invoicesrpc/addinvoice.go index bef42a1f8a..dcb1bef71e 100644 --- a/lnrpc/invoicesrpc/addinvoice.go +++ b/lnrpc/invoicesrpc/addinvoice.go @@ -96,28 +96,6 @@ type AddInvoiceConfig struct { // QueryBlindedRoutes can be used to generate a few routes to this node // that can then be used in the construction of a blinded payment path. QueryBlindedRoutes func(lnwire.MilliSatoshi) ([]*route.Route, error) - - // BlindedRoutePolicyIncrMultiplier is the amount by which policy values - // for hops in a blinded route will be bumped to avoid easy probing. For - // example, a multiplier of 1.1 will bump all appropriate the values - // (base fee, fee rate, CLTV delta and min HLTC) by 10%. - BlindedRoutePolicyIncrMultiplier float64 - - // BlindedRoutePolicyDecrMultiplier is the amount by which appropriate - // policy values for hops in a blinded route will be decreased to avoid - // easy probing. For example, a multiplier of 0.9 will reduce - // appropriate values (like maximum HTLC) by 10%. - BlindedRoutePolicyDecrMultiplier float64 - - // MinNumBlindedPathHops is the minimum number of hops that a blinded - // path should be. Dummy hops will be used to pad any route with a - // length less than this. - MinNumBlindedPathHops uint8 - - // DefaultDummyHopPolicy holds the default policy values to use for - // dummy hops in a blinded path in the case where they cant be derived - // through other means. - DefaultDummyHopPolicy *blindedpath.BlindedHopPolicy } // AddInvoiceData contains the required data to create a new invoice. @@ -168,16 +146,44 @@ type AddInvoiceData struct { // NOTE: Preimage should always be set to nil when this value is true. Amp bool - // Blind signals that this invoice should disguise the location of the - // recipient by adding blinded payment paths to the invoice instead of - // revealing the destination node's real pub key. - Blind bool + // BlindedPathCfg holds the config values to use when constructing + // blinded paths to add to the invoice. A non-nil BlindedPathCfg signals + // that this invoice should disguise the location of the recipient by + // adding blinded payment paths to the invoice instead of revealing the + // destination node's real pub key. + BlindedPathCfg *BlindedPathConfig // RouteHints are optional route hints that can each be individually // used to assist in reaching the invoice's destination. RouteHints [][]zpay32.HopHint } +// BlindedPathConfig holds the configuration values required for blinded path +// generation for invoices. +type BlindedPathConfig struct { + // RoutePolicyIncrMultiplier is the amount by which policy values for + // hops in a blinded route will be bumped to avoid easy probing. For + // example, a multiplier of 1.1 will bump all appropriate the values + // (base fee, fee rate, CLTV delta and min HLTC) by 10%. + RoutePolicyIncrMultiplier float64 + + // RoutePolicyDecrMultiplier is the amount by which appropriate policy + // values for hops in a blinded route will be decreased to avoid easy + // probing. For example, a multiplier of 0.9 will reduce appropriate + // values (like maximum HTLC) by 10%. + RoutePolicyDecrMultiplier float64 + + // MinNumPathHops is the minimum number of hops that a blinded path + // should be. Dummy hops will be used to pad any route with a length + // less than this. + MinNumPathHops uint8 + + // DefaultDummyHopPolicy holds the default policy values to use for + // dummy hops in a blinded path in the case where they cant be derived + // through other means. + DefaultDummyHopPolicy *blindedpath.BlindedHopPolicy +} + // paymentHashAndPreimage returns the payment hash and preimage for this invoice // depending on the configuration. // @@ -277,7 +283,9 @@ func (d *AddInvoiceData) mppPaymentHashAndPreimage() (*lntypes.Preimage, func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, invoice *AddInvoiceData) (*lntypes.Hash, *invoices.Invoice, error) { - if invoice.Amp && invoice.Blind { + blind := invoice.BlindedPathCfg != nil + + if invoice.Amp && blind { return nil, nil, fmt.Errorf("AMP invoices with blinded paths " + "are not yet supported") } @@ -420,7 +428,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, // Only include a final CLTV expiry delta if this is not a blinded // invoice. In a blinded invoice, this value will be added to the total // blinded route CLTV delta value - if !invoice.Blind { + if !blind { options = append(options, zpay32.CLTVExpiry(cltvExpiryDelta)) } @@ -433,7 +441,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, // Include route hints if needed. if len(invoice.RouteHints) > 0 || invoice.Private { - if invoice.Blind { + if blind { return nil, nil, fmt.Errorf("can't set both hop " + "hints and add blinded payment paths") } @@ -492,7 +500,9 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, return nil, nil, err } - if invoice.Blind { + if blind { + blindCfg := invoice.BlindedPathCfg + // Use the 10-min-per-block assumption to get a rough estimate // of the number of blocks until the invoice expires. We want // to make sure that the blinded path definitely does not expire @@ -525,12 +535,12 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, //nolint:lll return blindedpath.AddPolicyBuffer( - p, cfg.BlindedRoutePolicyIncrMultiplier, - cfg.BlindedRoutePolicyDecrMultiplier, + p, blindCfg.RoutePolicyIncrMultiplier, + blindCfg.RoutePolicyDecrMultiplier, ) }, - MinNumHops: cfg.MinNumBlindedPathHops, - DefaultDummyHopPolicy: cfg.DefaultDummyHopPolicy, + MinNumHops: blindCfg.MinNumPathHops, + DefaultDummyHopPolicy: blindCfg.DefaultDummyHopPolicy, }, ) if err != nil { @@ -560,7 +570,7 @@ func AddInvoice(ctx context.Context, cfg *AddInvoiceConfig, // For an invoice without a blinded path, the main node // key is used to sign the invoice so that the sender // can derive the true pub key of the recipient. - if !invoice.Blind { + if !blind { return cfg.NodeSigner.SignMessageCompact( msg, false, ) diff --git a/rpcserver.go b/rpcserver.go index d073a56c10..99b38249e9 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5820,10 +5820,6 @@ func (r *rpcServer) AddInvoice(ctx context.Context, }, GetAlias: r.server.aliasMgr.GetPeerAlias, BestHeight: r.server.cc.BestBlockTracker.BestHeight, - BlindedRoutePolicyIncrMultiplier: r.server.cfg.Routing. - BlindedPaths.PolicyIncreaseMultiplier, - BlindedRoutePolicyDecrMultiplier: r.server.cfg.Routing. - BlindedPaths.PolicyDecreaseMultiplier, QueryBlindedRoutes: func(amt lnwire.MilliSatoshi) ( []*route.Route, error) { @@ -5833,18 +5829,6 @@ func (r *rpcServer) AddInvoice(ctx context.Context, blindingRestrictions, ) }, - MinNumBlindedPathHops: r.server.cfg.Routing.BlindedPaths. - NumHops, - DefaultDummyHopPolicy: &blindedpath.BlindedHopPolicy{ - CLTVExpiryDelta: uint16(defaultDelta), - FeeRate: uint32(r.server.cfg.Bitcoin.FeeRate), - BaseFee: r.server.cfg.Bitcoin.BaseFee, - MinHTLCMsat: r.server.cfg.Bitcoin.MinHTLCIn, - - // MaxHTLCMsat will be calculated on the fly by using - // the introduction node's channel's capacities. - MaxHTLCMsat: 0, - }, } value, err := lnrpc.UnmarshallAmt(invoice.Value, invoice.ValueMsat) @@ -5857,6 +5841,34 @@ func (r *rpcServer) AddInvoice(ctx context.Context, if err != nil { return nil, err } + + var blindedPathCfg *invoicesrpc.BlindedPathConfig + if invoice.Blind { + bpConfig := r.server.cfg.Routing.BlindedPaths + + blindedPathCfg = &invoicesrpc.BlindedPathConfig{ + RoutePolicyIncrMultiplier: bpConfig. + PolicyIncreaseMultiplier, + RoutePolicyDecrMultiplier: bpConfig. + PolicyDecreaseMultiplier, + DefaultDummyHopPolicy: &blindedpath.BlindedHopPolicy{ + CLTVExpiryDelta: uint16(defaultDelta), + FeeRate: uint32( + r.server.cfg.Bitcoin.FeeRate, + ), + BaseFee: r.server.cfg.Bitcoin.BaseFee, + MinHTLCMsat: r.server.cfg.Bitcoin.MinHTLCIn, + + // MaxHTLCMsat will be calculated on the fly by + // using the introduction node's channel's + // capacities. + MaxHTLCMsat: 0, + }, + MinNumPathHops: r.server.cfg.Routing.BlindedPaths. + NumHops, + } + } + addInvoiceData := &invoicesrpc.AddInvoiceData{ Memo: invoice.Memo, Value: value, @@ -5867,7 +5879,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, Private: invoice.Private, RouteHints: routeHints, Amp: invoice.IsAmp, - Blind: invoice.Blind, + BlindedPathCfg: blindedPathCfg, } if invoice.RPreimage != nil { From 3de6c5415a44438632ed29acea2b47fc2f9d413e Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 13:51:12 +0200 Subject: [PATCH 297/343] multi: let blinded path invoice options be set per addinvoice call Extend the configurability of blinded paths in invoices by adding the ability to change the global config options on a per-RPC basis. --- cmd/lncli/cmd_invoice.go | 82 +- itest/lnd_route_blinding_test.go | 117 +- lnrpc/invoicesrpc/invoices.swagger.json | 24 +- lnrpc/lightning.pb.go | 3602 ++++++++++++----------- lnrpc/lightning.proto | 25 +- lnrpc/lightning.swagger.json | 24 +- rpcserver.go | 44 +- 7 files changed, 2099 insertions(+), 1819 deletions(-) diff --git a/cmd/lncli/cmd_invoice.go b/cmd/lncli/cmd_invoice.go index a9bc57c168..ce3ede3718 100644 --- a/cmd/lncli/cmd_invoice.go +++ b/cmd/lncli/cmd_invoice.go @@ -90,6 +90,26 @@ var addInvoiceCommand = cli.Command{ "ephemeral key so as not to reveal the real " + "node ID of this node.", }, + cli.UintFlag{ + Name: "min_real_blinded_hops", + Usage: "The minimum number of real hops to use in a " + + "blinded path. This option will only be used " + + "if `--blind` has also been set.", + }, + cli.UintFlag{ + Name: "num_blinded_hops", + Usage: "The number of hops to use for each " + + "blinded path included in the invoice. This " + + "option will only be used if `--blind` has " + + "also been set. Dummy hops will be used to " + + "pad paths shorter than this.", + }, + cli.UintFlag{ + Name: "max_blinded_paths", + Usage: "The maximum number of blinded paths to add " + + "to an invoice. This option will only be " + + "used if `--blind` has also been set.", + }, }, Action: actionDecorator(addInvoice), } @@ -140,18 +160,24 @@ func addInvoice(ctx *cli.Context) error { "blinded paths in the same invoice") } + blindedPathCfg, err := parseBlindedPathCfg(ctx) + if err != nil { + return fmt.Errorf("could not parse blinded path config: %w", + err) + } + invoice := &lnrpc.Invoice{ - Memo: ctx.String("memo"), - RPreimage: preimage, - Value: amt, - ValueMsat: amtMsat, - DescriptionHash: descHash, - FallbackAddr: ctx.String("fallback_addr"), - Expiry: ctx.Int64("expiry"), - CltvExpiry: ctx.Uint64("cltv_expiry_delta"), - Private: ctx.Bool("private"), - IsAmp: ctx.Bool("amp"), - Blind: ctx.Bool("blind"), + Memo: ctx.String("memo"), + RPreimage: preimage, + Value: amt, + ValueMsat: amtMsat, + DescriptionHash: descHash, + FallbackAddr: ctx.String("fallback_addr"), + Expiry: ctx.Int64("expiry"), + CltvExpiry: ctx.Uint64("cltv_expiry_delta"), + Private: ctx.Bool("private"), + IsAmp: ctx.Bool("amp"), + BlindedPathConfig: blindedPathCfg, } resp, err := client.AddInvoice(ctxc, invoice) @@ -164,6 +190,40 @@ func addInvoice(ctx *cli.Context) error { return nil } +func parseBlindedPathCfg(ctx *cli.Context) (*lnrpc.BlindedPathConfig, error) { + if !ctx.Bool("blind") { + if ctx.IsSet("min_real_blinded_hops") || + ctx.IsSet("num_blinded_hops") || + ctx.IsSet("max_blinded_paths") || + ctx.IsSet("blinded_path_omit_node") { + + return nil, fmt.Errorf("blinded path options are " + + "only used if the `--blind` options is set") + } + + return nil, nil + } + + var blindCfg lnrpc.BlindedPathConfig + + if ctx.IsSet("min_real_blinded_hops") { + minNumRealHops := uint32(ctx.Uint("min_real_blinded_hops")) + blindCfg.MinNumRealHops = &minNumRealHops + } + + if ctx.IsSet("num_blinded_hops") { + numHops := uint32(ctx.Uint("num_blinded_hops")) + blindCfg.NumHops = &numHops + } + + if ctx.IsSet("max_blinded_paths") { + maxPaths := uint32(ctx.Uint("max_blinded_paths")) + blindCfg.MaxNumPaths = &maxPaths + } + + return &blindCfg, nil +} + var lookupInvoiceCommand = cli.Command{ Name: "lookupinvoice", Category: "Invoices", diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 48f31900ff..f7c4acc2dd 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -363,13 +363,7 @@ func (b *blindedForwardTest) setupNetwork(ctx context.Context, require.NoError(b.ht, err, "interceptor") } - // Restrict Dave so that he only ever creates a single blinded path from - // Bob to himself. - b.dave = b.ht.NewNode("Dave", []string{ - "--bitcoin.timelockdelta=18", - "--routing.blinding.min-num-real-hops=2", - "--routing.blinding.num-hops=2", - }) + b.dave = b.ht.NewNode("Dave", []string{"--bitcoin.timelockdelta=18"}) b.channels = setupFourHopNetwork(b.ht, b.carol, b.dave) } @@ -378,11 +372,20 @@ func (b *blindedForwardTest) setupNetwork(ctx context.Context, // acting as the introduction point. func (b *blindedForwardTest) buildBlindedPath() *lnrpc.BlindedPaymentPath { // Let Dave add a blinded invoice. + // Add restrictions so that he only ever creates a single blinded path + // from Bob to himself. + var ( + minNumRealHops uint32 = 2 + numHops uint32 = 2 + ) invoice := b.dave.RPC.AddInvoice(&lnrpc.Invoice{ RPreimage: b.preimage[:], Memo: "test", ValueMsat: 10_000_000, - Blind: true, + BlindedPathConfig: &lnrpc.BlindedPathConfig{ + MinNumRealHops: &minNumRealHops, + NumHops: &numHops, + }, }) // Assert that only one blinded path is selected and that it contains @@ -613,29 +616,37 @@ func testBlindedRouteInvoices(ht *lntest.HarnessTest) { testCase.setupNetwork(ctx, false) // Let Dave add a blinded invoice. + // Add restrictions so that he only ever creates a single blinded path + // from Bob to himself. + var ( + minNumRealHops uint32 = 2 + numHops uint32 = 2 + ) invoice := testCase.dave.RPC.AddInvoice(&lnrpc.Invoice{ Memo: "test", ValueMsat: 10_000_000, - Blind: true, + BlindedPathConfig: &lnrpc.BlindedPathConfig{ + MinNumRealHops: &minNumRealHops, + NumHops: &numHops, + }, }) // Now let Alice pay the invoice. ht.CompletePaymentRequests(ht.Alice, []string{invoice.PaymentRequest}) - // Restart Dave with blinded path restrictions that will result in him - // creating a blinded path that uses himself as the introduction node. - ht.RestartNodeWithExtraArgs(testCase.dave, []string{ - "--routing.blinding.min-num-real-hops=0", - "--routing.blinding.num-hops=0", - }) - ht.EnsureConnected(testCase.dave, testCase.carol) - // Let Dave add a blinded invoice. // Once again let Dave create a blinded invoice. + // This time, add path restrictions that will result in him + // creating a blinded path that uses himself as the introduction node. + minNumRealHops = 0 + numHops = 0 invoice = testCase.dave.RPC.AddInvoice(&lnrpc.Invoice{ Memo: "test", ValueMsat: 10_000_000, - Blind: true, + BlindedPathConfig: &lnrpc.BlindedPathConfig{ + MinNumRealHops: &minNumRealHops, + NumHops: &numHops, + }, }) // Assert that it contains a single blinded path with only an @@ -898,12 +909,7 @@ func testMPPToSingleBlindedPath(ht *lntest.HarnessTest) { // nodes. alice, bob := ht.Alice, ht.Bob - // Restrict Dave so that he only ever chooses the Carol->Dave path for - // a blinded route. - dave := ht.NewNode("dave", []string{ - "--routing.blinding.min-num-real-hops=1", - "--routing.blinding.num-hops=1", - }) + dave := ht.NewNode("dave", nil) carol := ht.NewNode("carol", nil) eve := ht.NewNode("eve", nil) @@ -984,10 +990,19 @@ func testMPPToSingleBlindedPath(ht *lntest.HarnessTest) { } // Make Dave create an invoice with a blinded path for Alice to pay. + // Restrict the blinded path config such that Dave only ever chooses + // the Carol->Dave path for a blinded route. + var ( + numHops uint32 = 1 + minNumRealHops uint32 = 1 + ) invoice := &lnrpc.Invoice{ Memo: "test", Value: int64(paymentAmt), - Blind: true, + BlindedPathConfig: &lnrpc.BlindedPathConfig{ + NumHops: &numHops, + MinNumRealHops: &minNumRealHops, + }, } invoiceResp := dave.RPC.AddInvoice(invoice) @@ -1095,12 +1110,7 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { "--protocol.no-route-blinding", }) - // Configure Dave so that all blinded paths always contain 2 hops and - // so that there is no minimum number of real hops. - dave := ht.NewNode("dave", []string{ - "--routing.blinding.min-num-real-hops=0", - "--routing.blinding.num-hops=2", - }) + dave := ht.NewNode("dave", nil) ht.EnsureConnected(alice, bob) ht.EnsureConnected(bob, carol) @@ -1150,10 +1160,19 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { } // Make Dave create an invoice with a blinded path for Alice to pay. + // Configure the invoice so that all blinded paths always contain 2 hops + // and so that there is no minimum number of real hops. + var ( + minNumRealHops uint32 = 0 + numHops uint32 = 2 + ) invoice := &lnrpc.Invoice{ Memo: "test", Value: int64(paymentAmt), - Blind: true, + BlindedPathConfig: &lnrpc.BlindedPathConfig{ + MinNumRealHops: &minNumRealHops, + NumHops: &numHops, + }, } invoiceResp := dave.RPC.AddInvoice(invoice) @@ -1178,18 +1197,24 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { require.Equal(ht, lnrpc.Invoice_SETTLED, inv.State) // Let's also test the case where Dave is not the introduction node. - // We restart Carol so that she supports route blinding. We also restart - // Dave and force a minimum of 1 real blinded hop. We keep the number - // of hops to 2 meaning that one dummy hop should be added. + // We restart Carol so that she supports route blinding. ht.RestartNodeWithExtraArgs(carol, nil) - ht.RestartNodeWithExtraArgs(dave, []string{ - "--routing.blinding.min-num-real-hops=1", - "--routing.blinding.num-hops=2", - }) ht.EnsureConnected(bob, carol) ht.EnsureConnected(carol, dave) // Make Dave create an invoice with a blinded path for Alice to pay. + // This time, configure the invoice so that there is always a minimum + // of 1 real blinded hop. We keep the number of total hops to 2 meaning + // that one dummy hop should be added. + minNumRealHops = 1 + invoice = &lnrpc.Invoice{ + Memo: "test", + Value: int64(paymentAmt), + BlindedPathConfig: &lnrpc.BlindedPathConfig{ + MinNumRealHops: &minNumRealHops, + NumHops: &numHops, + }, + } invoiceResp = dave.RPC.AddInvoice(invoice) // Assert that it contains a single blinded path and that the @@ -1248,10 +1273,7 @@ func testMPPToMultipleBlindedPaths(ht *lntest.HarnessTest) { // Create a four-node context consisting of Alice, Bob and three new // nodes. - dave := ht.NewNode("dave", []string{ - "--routing.blinding.min-num-real-hops=1", - "--routing.blinding.num-hops=1", - }) + dave := ht.NewNode("dave", nil) carol := ht.NewNode("carol", nil) // Connect nodes to ensure propagation of channels. @@ -1311,10 +1333,17 @@ func testMPPToMultipleBlindedPaths(ht *lntest.HarnessTest) { // Ok now make a payment that must be split to succeed. // Make Dave create an invoice for Alice to pay + var ( + minNumRealHops uint32 = 1 + numHops uint32 = 1 + ) invoice := &lnrpc.Invoice{ Memo: "test", Value: int64(paymentAmt), - Blind: true, + BlindedPathConfig: &lnrpc.BlindedPathConfig{ + MinNumRealHops: &minNumRealHops, + NumHops: &numHops, + }, } invoiceResp := dave.RPC.AddInvoice(invoice) diff --git a/lnrpc/invoicesrpc/invoices.swagger.json b/lnrpc/invoicesrpc/invoices.swagger.json index 0e2a942e98..5b8bdf7671 100644 --- a/lnrpc/invoicesrpc/invoices.swagger.json +++ b/lnrpc/invoicesrpc/invoices.swagger.json @@ -395,6 +395,26 @@ } } }, + "lnrpcBlindedPathConfig": { + "type": "object", + "properties": { + "min_num_real_hops": { + "type": "integer", + "format": "int64", + "description": "The minimum number of real hops to include in a blinded path. This doesn't\ninclude our node, so if the minimum is 1, then the path will contain at\nminimum our node along with an introduction node hop. If it is zero then\nthe shortest path will use our node as an introduction node." + }, + "num_hops": { + "type": "integer", + "format": "int64", + "description": "The number of hops to include in a blinded path. This doesn't include our\nnode, so if it is 1, then the path will contain our node along with an\nintroduction node or dummy node hop. If paths shorter than NumHops is\nfound, then they will be padded using dummy hops." + }, + "max_num_paths": { + "type": "integer", + "format": "int64", + "description": "The maximum number of blinded paths to select and add to an invoice." + } + } + }, "lnrpcFeature": { "type": "object", "properties": { @@ -579,8 +599,8 @@ "description": "Maps a 32-byte hex-encoded set ID to the sub-invoice AMP state for the\ngiven set ID. This field is always populated for AMP invoices, and can be\nused along side LookupInvoice to obtain the HTLC information related to a\ngiven sub-invoice.\nNote: Output only, don't specify for creating an invoice.", "title": "[EXPERIMENTAL]:" }, - "blind": { - "type": "boolean", + "blinded_path_config": { + "$ref": "#/definitions/lnrpcBlindedPathConfig", "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." } } diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index 1b114a37ad..e276699dce 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -1189,7 +1189,7 @@ func (x Payment_PaymentStatus) Number() protoreflect.EnumNumber { // Deprecated: Use Payment_PaymentStatus.Descriptor instead. func (Payment_PaymentStatus) EnumDescriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{142, 0} + return file_lightning_proto_rawDescGZIP(), []int{143, 0} } type HTLCAttempt_HTLCStatus int32 @@ -1238,7 +1238,7 @@ func (x HTLCAttempt_HTLCStatus) Number() protoreflect.EnumNumber { // Deprecated: Use HTLCAttempt_HTLCStatus.Descriptor instead. func (HTLCAttempt_HTLCStatus) EnumDescriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{143, 0} + return file_lightning_proto_rawDescGZIP(), []int{144, 0} } type Failure_FailureCode int32 @@ -1372,7 +1372,7 @@ func (x Failure_FailureCode) Number() protoreflect.EnumNumber { // Deprecated: Use Failure_FailureCode.Descriptor instead. func (Failure_FailureCode) EnumDescriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{187, 0} + return file_lightning_proto_rawDescGZIP(), []int{188, 0} } type LookupHtlcResolutionRequest struct { @@ -12548,7 +12548,7 @@ type Invoice struct { AmpInvoiceState map[string]*AMPInvoiceState `protobuf:"bytes,28,rep,name=amp_invoice_state,json=ampInvoiceState,proto3" json:"amp_invoice_state,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` // Signals that the invoice should include blinded paths to hide the true // identity of the recipient. - Blind bool `protobuf:"varint,29,opt,name=blind,proto3" json:"blind,omitempty"` + BlindedPathConfig *BlindedPathConfig `protobuf:"bytes,29,opt,name=blinded_path_config,json=blindedPathConfig,proto3" json:"blinded_path_config,omitempty"` } func (x *Invoice) Reset() { @@ -12774,11 +12774,83 @@ func (x *Invoice) GetAmpInvoiceState() map[string]*AMPInvoiceState { return nil } -func (x *Invoice) GetBlind() bool { +func (x *Invoice) GetBlindedPathConfig() *BlindedPathConfig { if x != nil { - return x.Blind + return x.BlindedPathConfig } - return false + return nil +} + +type BlindedPathConfig struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The minimum number of real hops to include in a blinded path. This doesn't + // include our node, so if the minimum is 1, then the path will contain at + // minimum our node along with an introduction node hop. If it is zero then + // the shortest path will use our node as an introduction node. + MinNumRealHops *uint32 `protobuf:"varint,1,opt,name=min_num_real_hops,json=minNumRealHops,proto3,oneof" json:"min_num_real_hops,omitempty"` + // The number of hops to include in a blinded path. This doesn't include our + // node, so if it is 1, then the path will contain our node along with an + // introduction node or dummy node hop. If paths shorter than NumHops is + // found, then they will be padded using dummy hops. + NumHops *uint32 `protobuf:"varint,2,opt,name=num_hops,json=numHops,proto3,oneof" json:"num_hops,omitempty"` + // The maximum number of blinded paths to select and add to an invoice. + MaxNumPaths *uint32 `protobuf:"varint,3,opt,name=max_num_paths,json=maxNumPaths,proto3,oneof" json:"max_num_paths,omitempty"` +} + +func (x *BlindedPathConfig) Reset() { + *x = BlindedPathConfig{} + if protoimpl.UnsafeEnabled { + mi := &file_lightning_proto_msgTypes[135] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *BlindedPathConfig) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*BlindedPathConfig) ProtoMessage() {} + +func (x *BlindedPathConfig) ProtoReflect() protoreflect.Message { + mi := &file_lightning_proto_msgTypes[135] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use BlindedPathConfig.ProtoReflect.Descriptor instead. +func (*BlindedPathConfig) Descriptor() ([]byte, []int) { + return file_lightning_proto_rawDescGZIP(), []int{135} +} + +func (x *BlindedPathConfig) GetMinNumRealHops() uint32 { + if x != nil && x.MinNumRealHops != nil { + return *x.MinNumRealHops + } + return 0 +} + +func (x *BlindedPathConfig) GetNumHops() uint32 { + if x != nil && x.NumHops != nil { + return *x.NumHops + } + return 0 +} + +func (x *BlindedPathConfig) GetMaxNumPaths() uint32 { + if x != nil && x.MaxNumPaths != nil { + return *x.MaxNumPaths + } + return 0 } // Details of an HTLC that paid to an invoice @@ -12814,7 +12886,7 @@ type InvoiceHTLC struct { func (x *InvoiceHTLC) Reset() { *x = InvoiceHTLC{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[135] + mi := &file_lightning_proto_msgTypes[136] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -12827,7 +12899,7 @@ func (x *InvoiceHTLC) String() string { func (*InvoiceHTLC) ProtoMessage() {} func (x *InvoiceHTLC) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[135] + mi := &file_lightning_proto_msgTypes[136] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -12840,7 +12912,7 @@ func (x *InvoiceHTLC) ProtoReflect() protoreflect.Message { // Deprecated: Use InvoiceHTLC.ProtoReflect.Descriptor instead. func (*InvoiceHTLC) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{135} + return file_lightning_proto_rawDescGZIP(), []int{136} } func (x *InvoiceHTLC) GetChanId() uint64 { @@ -12945,7 +13017,7 @@ type AMP struct { func (x *AMP) Reset() { *x = AMP{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[136] + mi := &file_lightning_proto_msgTypes[137] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -12958,7 +13030,7 @@ func (x *AMP) String() string { func (*AMP) ProtoMessage() {} func (x *AMP) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[136] + mi := &file_lightning_proto_msgTypes[137] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -12971,7 +13043,7 @@ func (x *AMP) ProtoReflect() protoreflect.Message { // Deprecated: Use AMP.ProtoReflect.Descriptor instead. func (*AMP) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{136} + return file_lightning_proto_rawDescGZIP(), []int{137} } func (x *AMP) GetRootShare() []byte { @@ -13033,7 +13105,7 @@ type AddInvoiceResponse struct { func (x *AddInvoiceResponse) Reset() { *x = AddInvoiceResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[137] + mi := &file_lightning_proto_msgTypes[138] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13046,7 +13118,7 @@ func (x *AddInvoiceResponse) String() string { func (*AddInvoiceResponse) ProtoMessage() {} func (x *AddInvoiceResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[137] + mi := &file_lightning_proto_msgTypes[138] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13059,7 +13131,7 @@ func (x *AddInvoiceResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use AddInvoiceResponse.ProtoReflect.Descriptor instead. func (*AddInvoiceResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{137} + return file_lightning_proto_rawDescGZIP(), []int{138} } func (x *AddInvoiceResponse) GetRHash() []byte { @@ -13110,7 +13182,7 @@ type PaymentHash struct { func (x *PaymentHash) Reset() { *x = PaymentHash{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[138] + mi := &file_lightning_proto_msgTypes[139] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13123,7 +13195,7 @@ func (x *PaymentHash) String() string { func (*PaymentHash) ProtoMessage() {} func (x *PaymentHash) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[138] + mi := &file_lightning_proto_msgTypes[139] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13136,7 +13208,7 @@ func (x *PaymentHash) ProtoReflect() protoreflect.Message { // Deprecated: Use PaymentHash.ProtoReflect.Descriptor instead. func (*PaymentHash) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{138} + return file_lightning_proto_rawDescGZIP(), []int{139} } // Deprecated: Marked as deprecated in lightning.proto. @@ -13181,7 +13253,7 @@ type ListInvoiceRequest struct { func (x *ListInvoiceRequest) Reset() { *x = ListInvoiceRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[139] + mi := &file_lightning_proto_msgTypes[140] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13194,7 +13266,7 @@ func (x *ListInvoiceRequest) String() string { func (*ListInvoiceRequest) ProtoMessage() {} func (x *ListInvoiceRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[139] + mi := &file_lightning_proto_msgTypes[140] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13207,7 +13279,7 @@ func (x *ListInvoiceRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ListInvoiceRequest.ProtoReflect.Descriptor instead. func (*ListInvoiceRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{139} + return file_lightning_proto_rawDescGZIP(), []int{140} } func (x *ListInvoiceRequest) GetPendingOnly() bool { @@ -13271,7 +13343,7 @@ type ListInvoiceResponse struct { func (x *ListInvoiceResponse) Reset() { *x = ListInvoiceResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[140] + mi := &file_lightning_proto_msgTypes[141] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13284,7 +13356,7 @@ func (x *ListInvoiceResponse) String() string { func (*ListInvoiceResponse) ProtoMessage() {} func (x *ListInvoiceResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[140] + mi := &file_lightning_proto_msgTypes[141] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13297,7 +13369,7 @@ func (x *ListInvoiceResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use ListInvoiceResponse.ProtoReflect.Descriptor instead. func (*ListInvoiceResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{140} + return file_lightning_proto_rawDescGZIP(), []int{141} } func (x *ListInvoiceResponse) GetInvoices() []*Invoice { @@ -13341,7 +13413,7 @@ type InvoiceSubscription struct { func (x *InvoiceSubscription) Reset() { *x = InvoiceSubscription{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[141] + mi := &file_lightning_proto_msgTypes[142] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13354,7 +13426,7 @@ func (x *InvoiceSubscription) String() string { func (*InvoiceSubscription) ProtoMessage() {} func (x *InvoiceSubscription) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[141] + mi := &file_lightning_proto_msgTypes[142] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13367,7 +13439,7 @@ func (x *InvoiceSubscription) ProtoReflect() protoreflect.Message { // Deprecated: Use InvoiceSubscription.ProtoReflect.Descriptor instead. func (*InvoiceSubscription) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{141} + return file_lightning_proto_rawDescGZIP(), []int{142} } func (x *InvoiceSubscription) GetAddIndex() uint64 { @@ -13431,7 +13503,7 @@ type Payment struct { func (x *Payment) Reset() { *x = Payment{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[142] + mi := &file_lightning_proto_msgTypes[143] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13444,7 +13516,7 @@ func (x *Payment) String() string { func (*Payment) ProtoMessage() {} func (x *Payment) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[142] + mi := &file_lightning_proto_msgTypes[143] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13457,7 +13529,7 @@ func (x *Payment) ProtoReflect() protoreflect.Message { // Deprecated: Use Payment.ProtoReflect.Descriptor instead. func (*Payment) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{142} + return file_lightning_proto_rawDescGZIP(), []int{143} } func (x *Payment) GetPaymentHash() string { @@ -13593,7 +13665,7 @@ type HTLCAttempt struct { func (x *HTLCAttempt) Reset() { *x = HTLCAttempt{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[143] + mi := &file_lightning_proto_msgTypes[144] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13606,7 +13678,7 @@ func (x *HTLCAttempt) String() string { func (*HTLCAttempt) ProtoMessage() {} func (x *HTLCAttempt) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[143] + mi := &file_lightning_proto_msgTypes[144] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13619,7 +13691,7 @@ func (x *HTLCAttempt) ProtoReflect() protoreflect.Message { // Deprecated: Use HTLCAttempt.ProtoReflect.Descriptor instead. func (*HTLCAttempt) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{143} + return file_lightning_proto_rawDescGZIP(), []int{144} } func (x *HTLCAttempt) GetAttemptId() uint64 { @@ -13709,7 +13781,7 @@ type ListPaymentsRequest struct { func (x *ListPaymentsRequest) Reset() { *x = ListPaymentsRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[144] + mi := &file_lightning_proto_msgTypes[145] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13722,7 +13794,7 @@ func (x *ListPaymentsRequest) String() string { func (*ListPaymentsRequest) ProtoMessage() {} func (x *ListPaymentsRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[144] + mi := &file_lightning_proto_msgTypes[145] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13735,7 +13807,7 @@ func (x *ListPaymentsRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ListPaymentsRequest.ProtoReflect.Descriptor instead. func (*ListPaymentsRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{144} + return file_lightning_proto_rawDescGZIP(), []int{145} } func (x *ListPaymentsRequest) GetIncludeIncomplete() bool { @@ -13810,7 +13882,7 @@ type ListPaymentsResponse struct { func (x *ListPaymentsResponse) Reset() { *x = ListPaymentsResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[145] + mi := &file_lightning_proto_msgTypes[146] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13823,7 +13895,7 @@ func (x *ListPaymentsResponse) String() string { func (*ListPaymentsResponse) ProtoMessage() {} func (x *ListPaymentsResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[145] + mi := &file_lightning_proto_msgTypes[146] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13836,7 +13908,7 @@ func (x *ListPaymentsResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use ListPaymentsResponse.ProtoReflect.Descriptor instead. func (*ListPaymentsResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{145} + return file_lightning_proto_rawDescGZIP(), []int{146} } func (x *ListPaymentsResponse) GetPayments() []*Payment { @@ -13881,7 +13953,7 @@ type DeletePaymentRequest struct { func (x *DeletePaymentRequest) Reset() { *x = DeletePaymentRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[146] + mi := &file_lightning_proto_msgTypes[147] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13894,7 +13966,7 @@ func (x *DeletePaymentRequest) String() string { func (*DeletePaymentRequest) ProtoMessage() {} func (x *DeletePaymentRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[146] + mi := &file_lightning_proto_msgTypes[147] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13907,7 +13979,7 @@ func (x *DeletePaymentRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use DeletePaymentRequest.ProtoReflect.Descriptor instead. func (*DeletePaymentRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{146} + return file_lightning_proto_rawDescGZIP(), []int{147} } func (x *DeletePaymentRequest) GetPaymentHash() []byte { @@ -13941,7 +14013,7 @@ type DeleteAllPaymentsRequest struct { func (x *DeleteAllPaymentsRequest) Reset() { *x = DeleteAllPaymentsRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[147] + mi := &file_lightning_proto_msgTypes[148] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -13954,7 +14026,7 @@ func (x *DeleteAllPaymentsRequest) String() string { func (*DeleteAllPaymentsRequest) ProtoMessage() {} func (x *DeleteAllPaymentsRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[147] + mi := &file_lightning_proto_msgTypes[148] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -13967,7 +14039,7 @@ func (x *DeleteAllPaymentsRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use DeleteAllPaymentsRequest.ProtoReflect.Descriptor instead. func (*DeleteAllPaymentsRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{147} + return file_lightning_proto_rawDescGZIP(), []int{148} } func (x *DeleteAllPaymentsRequest) GetFailedPaymentsOnly() bool { @@ -14000,7 +14072,7 @@ type DeletePaymentResponse struct { func (x *DeletePaymentResponse) Reset() { *x = DeletePaymentResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[148] + mi := &file_lightning_proto_msgTypes[149] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14013,7 +14085,7 @@ func (x *DeletePaymentResponse) String() string { func (*DeletePaymentResponse) ProtoMessage() {} func (x *DeletePaymentResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[148] + mi := &file_lightning_proto_msgTypes[149] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14026,7 +14098,7 @@ func (x *DeletePaymentResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use DeletePaymentResponse.ProtoReflect.Descriptor instead. func (*DeletePaymentResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{148} + return file_lightning_proto_rawDescGZIP(), []int{149} } type DeleteAllPaymentsResponse struct { @@ -14038,7 +14110,7 @@ type DeleteAllPaymentsResponse struct { func (x *DeleteAllPaymentsResponse) Reset() { *x = DeleteAllPaymentsResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[149] + mi := &file_lightning_proto_msgTypes[150] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14051,7 +14123,7 @@ func (x *DeleteAllPaymentsResponse) String() string { func (*DeleteAllPaymentsResponse) ProtoMessage() {} func (x *DeleteAllPaymentsResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[149] + mi := &file_lightning_proto_msgTypes[150] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14064,7 +14136,7 @@ func (x *DeleteAllPaymentsResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use DeleteAllPaymentsResponse.ProtoReflect.Descriptor instead. func (*DeleteAllPaymentsResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{149} + return file_lightning_proto_rawDescGZIP(), []int{150} } type AbandonChannelRequest struct { @@ -14083,7 +14155,7 @@ type AbandonChannelRequest struct { func (x *AbandonChannelRequest) Reset() { *x = AbandonChannelRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[150] + mi := &file_lightning_proto_msgTypes[151] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14096,7 +14168,7 @@ func (x *AbandonChannelRequest) String() string { func (*AbandonChannelRequest) ProtoMessage() {} func (x *AbandonChannelRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[150] + mi := &file_lightning_proto_msgTypes[151] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14109,7 +14181,7 @@ func (x *AbandonChannelRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use AbandonChannelRequest.ProtoReflect.Descriptor instead. func (*AbandonChannelRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{150} + return file_lightning_proto_rawDescGZIP(), []int{151} } func (x *AbandonChannelRequest) GetChannelPoint() *ChannelPoint { @@ -14142,7 +14214,7 @@ type AbandonChannelResponse struct { func (x *AbandonChannelResponse) Reset() { *x = AbandonChannelResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[151] + mi := &file_lightning_proto_msgTypes[152] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14155,7 +14227,7 @@ func (x *AbandonChannelResponse) String() string { func (*AbandonChannelResponse) ProtoMessage() {} func (x *AbandonChannelResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[151] + mi := &file_lightning_proto_msgTypes[152] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14168,7 +14240,7 @@ func (x *AbandonChannelResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use AbandonChannelResponse.ProtoReflect.Descriptor instead. func (*AbandonChannelResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{151} + return file_lightning_proto_rawDescGZIP(), []int{152} } type DebugLevelRequest struct { @@ -14183,7 +14255,7 @@ type DebugLevelRequest struct { func (x *DebugLevelRequest) Reset() { *x = DebugLevelRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[152] + mi := &file_lightning_proto_msgTypes[153] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14196,7 +14268,7 @@ func (x *DebugLevelRequest) String() string { func (*DebugLevelRequest) ProtoMessage() {} func (x *DebugLevelRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[152] + mi := &file_lightning_proto_msgTypes[153] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14209,7 +14281,7 @@ func (x *DebugLevelRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use DebugLevelRequest.ProtoReflect.Descriptor instead. func (*DebugLevelRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{152} + return file_lightning_proto_rawDescGZIP(), []int{153} } func (x *DebugLevelRequest) GetShow() bool { @@ -14237,7 +14309,7 @@ type DebugLevelResponse struct { func (x *DebugLevelResponse) Reset() { *x = DebugLevelResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[153] + mi := &file_lightning_proto_msgTypes[154] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14250,7 +14322,7 @@ func (x *DebugLevelResponse) String() string { func (*DebugLevelResponse) ProtoMessage() {} func (x *DebugLevelResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[153] + mi := &file_lightning_proto_msgTypes[154] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14263,7 +14335,7 @@ func (x *DebugLevelResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use DebugLevelResponse.ProtoReflect.Descriptor instead. func (*DebugLevelResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{153} + return file_lightning_proto_rawDescGZIP(), []int{154} } func (x *DebugLevelResponse) GetSubSystems() string { @@ -14285,7 +14357,7 @@ type PayReqString struct { func (x *PayReqString) Reset() { *x = PayReqString{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[154] + mi := &file_lightning_proto_msgTypes[155] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14298,7 +14370,7 @@ func (x *PayReqString) String() string { func (*PayReqString) ProtoMessage() {} func (x *PayReqString) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[154] + mi := &file_lightning_proto_msgTypes[155] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14311,7 +14383,7 @@ func (x *PayReqString) ProtoReflect() protoreflect.Message { // Deprecated: Use PayReqString.ProtoReflect.Descriptor instead. func (*PayReqString) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{154} + return file_lightning_proto_rawDescGZIP(), []int{155} } func (x *PayReqString) GetPayReq() string { @@ -14345,7 +14417,7 @@ type PayReq struct { func (x *PayReq) Reset() { *x = PayReq{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[155] + mi := &file_lightning_proto_msgTypes[156] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14358,7 +14430,7 @@ func (x *PayReq) String() string { func (*PayReq) ProtoMessage() {} func (x *PayReq) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[155] + mi := &file_lightning_proto_msgTypes[156] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14371,7 +14443,7 @@ func (x *PayReq) ProtoReflect() protoreflect.Message { // Deprecated: Use PayReq.ProtoReflect.Descriptor instead. func (*PayReq) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{155} + return file_lightning_proto_rawDescGZIP(), []int{156} } func (x *PayReq) GetDestination() string { @@ -14485,7 +14557,7 @@ type Feature struct { func (x *Feature) Reset() { *x = Feature{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[156] + mi := &file_lightning_proto_msgTypes[157] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14498,7 +14570,7 @@ func (x *Feature) String() string { func (*Feature) ProtoMessage() {} func (x *Feature) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[156] + mi := &file_lightning_proto_msgTypes[157] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14511,7 +14583,7 @@ func (x *Feature) ProtoReflect() protoreflect.Message { // Deprecated: Use Feature.ProtoReflect.Descriptor instead. func (*Feature) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{156} + return file_lightning_proto_rawDescGZIP(), []int{157} } func (x *Feature) GetName() string { @@ -14544,7 +14616,7 @@ type FeeReportRequest struct { func (x *FeeReportRequest) Reset() { *x = FeeReportRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[157] + mi := &file_lightning_proto_msgTypes[158] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14557,7 +14629,7 @@ func (x *FeeReportRequest) String() string { func (*FeeReportRequest) ProtoMessage() {} func (x *FeeReportRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[157] + mi := &file_lightning_proto_msgTypes[158] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14570,7 +14642,7 @@ func (x *FeeReportRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use FeeReportRequest.ProtoReflect.Descriptor instead. func (*FeeReportRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{157} + return file_lightning_proto_rawDescGZIP(), []int{158} } type ChannelFeeReport struct { @@ -14600,7 +14672,7 @@ type ChannelFeeReport struct { func (x *ChannelFeeReport) Reset() { *x = ChannelFeeReport{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[158] + mi := &file_lightning_proto_msgTypes[159] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14613,7 +14685,7 @@ func (x *ChannelFeeReport) String() string { func (*ChannelFeeReport) ProtoMessage() {} func (x *ChannelFeeReport) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[158] + mi := &file_lightning_proto_msgTypes[159] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14626,7 +14698,7 @@ func (x *ChannelFeeReport) ProtoReflect() protoreflect.Message { // Deprecated: Use ChannelFeeReport.ProtoReflect.Descriptor instead. func (*ChannelFeeReport) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{158} + return file_lightning_proto_rawDescGZIP(), []int{159} } func (x *ChannelFeeReport) GetChanId() uint64 { @@ -14700,7 +14772,7 @@ type FeeReportResponse struct { func (x *FeeReportResponse) Reset() { *x = FeeReportResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[159] + mi := &file_lightning_proto_msgTypes[160] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14713,7 +14785,7 @@ func (x *FeeReportResponse) String() string { func (*FeeReportResponse) ProtoMessage() {} func (x *FeeReportResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[159] + mi := &file_lightning_proto_msgTypes[160] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14726,7 +14798,7 @@ func (x *FeeReportResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use FeeReportResponse.ProtoReflect.Descriptor instead. func (*FeeReportResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{159} + return file_lightning_proto_rawDescGZIP(), []int{160} } func (x *FeeReportResponse) GetChannelFees() []*ChannelFeeReport { @@ -14773,7 +14845,7 @@ type InboundFee struct { func (x *InboundFee) Reset() { *x = InboundFee{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[160] + mi := &file_lightning_proto_msgTypes[161] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14786,7 +14858,7 @@ func (x *InboundFee) String() string { func (*InboundFee) ProtoMessage() {} func (x *InboundFee) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[160] + mi := &file_lightning_proto_msgTypes[161] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14799,7 +14871,7 @@ func (x *InboundFee) ProtoReflect() protoreflect.Message { // Deprecated: Use InboundFee.ProtoReflect.Descriptor instead. func (*InboundFee) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{160} + return file_lightning_proto_rawDescGZIP(), []int{161} } func (x *InboundFee) GetBaseFeeMsat() int32 { @@ -14851,7 +14923,7 @@ type PolicyUpdateRequest struct { func (x *PolicyUpdateRequest) Reset() { *x = PolicyUpdateRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[161] + mi := &file_lightning_proto_msgTypes[162] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -14864,7 +14936,7 @@ func (x *PolicyUpdateRequest) String() string { func (*PolicyUpdateRequest) ProtoMessage() {} func (x *PolicyUpdateRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[161] + mi := &file_lightning_proto_msgTypes[162] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -14877,7 +14949,7 @@ func (x *PolicyUpdateRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use PolicyUpdateRequest.ProtoReflect.Descriptor instead. func (*PolicyUpdateRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{161} + return file_lightning_proto_rawDescGZIP(), []int{162} } func (m *PolicyUpdateRequest) GetScope() isPolicyUpdateRequest_Scope { @@ -14991,7 +15063,7 @@ type FailedUpdate struct { func (x *FailedUpdate) Reset() { *x = FailedUpdate{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[162] + mi := &file_lightning_proto_msgTypes[163] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15004,7 +15076,7 @@ func (x *FailedUpdate) String() string { func (*FailedUpdate) ProtoMessage() {} func (x *FailedUpdate) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[162] + mi := &file_lightning_proto_msgTypes[163] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15017,7 +15089,7 @@ func (x *FailedUpdate) ProtoReflect() protoreflect.Message { // Deprecated: Use FailedUpdate.ProtoReflect.Descriptor instead. func (*FailedUpdate) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{162} + return file_lightning_proto_rawDescGZIP(), []int{163} } func (x *FailedUpdate) GetOutpoint() *OutPoint { @@ -15053,7 +15125,7 @@ type PolicyUpdateResponse struct { func (x *PolicyUpdateResponse) Reset() { *x = PolicyUpdateResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[163] + mi := &file_lightning_proto_msgTypes[164] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15066,7 +15138,7 @@ func (x *PolicyUpdateResponse) String() string { func (*PolicyUpdateResponse) ProtoMessage() {} func (x *PolicyUpdateResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[163] + mi := &file_lightning_proto_msgTypes[164] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15079,7 +15151,7 @@ func (x *PolicyUpdateResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use PolicyUpdateResponse.ProtoReflect.Descriptor instead. func (*PolicyUpdateResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{163} + return file_lightning_proto_rawDescGZIP(), []int{164} } func (x *PolicyUpdateResponse) GetFailedUpdates() []*FailedUpdate { @@ -15116,7 +15188,7 @@ type ForwardingHistoryRequest struct { func (x *ForwardingHistoryRequest) Reset() { *x = ForwardingHistoryRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[164] + mi := &file_lightning_proto_msgTypes[165] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15129,7 +15201,7 @@ func (x *ForwardingHistoryRequest) String() string { func (*ForwardingHistoryRequest) ProtoMessage() {} func (x *ForwardingHistoryRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[164] + mi := &file_lightning_proto_msgTypes[165] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15142,7 +15214,7 @@ func (x *ForwardingHistoryRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ForwardingHistoryRequest.ProtoReflect.Descriptor instead. func (*ForwardingHistoryRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{164} + return file_lightning_proto_rawDescGZIP(), []int{165} } func (x *ForwardingHistoryRequest) GetStartTime() uint64 { @@ -15223,7 +15295,7 @@ type ForwardingEvent struct { func (x *ForwardingEvent) Reset() { *x = ForwardingEvent{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[165] + mi := &file_lightning_proto_msgTypes[166] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15236,7 +15308,7 @@ func (x *ForwardingEvent) String() string { func (*ForwardingEvent) ProtoMessage() {} func (x *ForwardingEvent) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[165] + mi := &file_lightning_proto_msgTypes[166] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15249,7 +15321,7 @@ func (x *ForwardingEvent) ProtoReflect() protoreflect.Message { // Deprecated: Use ForwardingEvent.ProtoReflect.Descriptor instead. func (*ForwardingEvent) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{165} + return file_lightning_proto_rawDescGZIP(), []int{166} } // Deprecated: Marked as deprecated in lightning.proto. @@ -15353,7 +15425,7 @@ type ForwardingHistoryResponse struct { func (x *ForwardingHistoryResponse) Reset() { *x = ForwardingHistoryResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[166] + mi := &file_lightning_proto_msgTypes[167] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15366,7 +15438,7 @@ func (x *ForwardingHistoryResponse) String() string { func (*ForwardingHistoryResponse) ProtoMessage() {} func (x *ForwardingHistoryResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[166] + mi := &file_lightning_proto_msgTypes[167] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15379,7 +15451,7 @@ func (x *ForwardingHistoryResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use ForwardingHistoryResponse.ProtoReflect.Descriptor instead. func (*ForwardingHistoryResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{166} + return file_lightning_proto_rawDescGZIP(), []int{167} } func (x *ForwardingHistoryResponse) GetForwardingEvents() []*ForwardingEvent { @@ -15408,7 +15480,7 @@ type ExportChannelBackupRequest struct { func (x *ExportChannelBackupRequest) Reset() { *x = ExportChannelBackupRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[167] + mi := &file_lightning_proto_msgTypes[168] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15421,7 +15493,7 @@ func (x *ExportChannelBackupRequest) String() string { func (*ExportChannelBackupRequest) ProtoMessage() {} func (x *ExportChannelBackupRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[167] + mi := &file_lightning_proto_msgTypes[168] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15434,7 +15506,7 @@ func (x *ExportChannelBackupRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ExportChannelBackupRequest.ProtoReflect.Descriptor instead. func (*ExportChannelBackupRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{167} + return file_lightning_proto_rawDescGZIP(), []int{168} } func (x *ExportChannelBackupRequest) GetChanPoint() *ChannelPoint { @@ -15461,7 +15533,7 @@ type ChannelBackup struct { func (x *ChannelBackup) Reset() { *x = ChannelBackup{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[168] + mi := &file_lightning_proto_msgTypes[169] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15474,7 +15546,7 @@ func (x *ChannelBackup) String() string { func (*ChannelBackup) ProtoMessage() {} func (x *ChannelBackup) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[168] + mi := &file_lightning_proto_msgTypes[169] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15487,7 +15559,7 @@ func (x *ChannelBackup) ProtoReflect() protoreflect.Message { // Deprecated: Use ChannelBackup.ProtoReflect.Descriptor instead. func (*ChannelBackup) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{168} + return file_lightning_proto_rawDescGZIP(), []int{169} } func (x *ChannelBackup) GetChanPoint() *ChannelPoint { @@ -15521,7 +15593,7 @@ type MultiChanBackup struct { func (x *MultiChanBackup) Reset() { *x = MultiChanBackup{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[169] + mi := &file_lightning_proto_msgTypes[170] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15534,7 +15606,7 @@ func (x *MultiChanBackup) String() string { func (*MultiChanBackup) ProtoMessage() {} func (x *MultiChanBackup) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[169] + mi := &file_lightning_proto_msgTypes[170] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15547,7 +15619,7 @@ func (x *MultiChanBackup) ProtoReflect() protoreflect.Message { // Deprecated: Use MultiChanBackup.ProtoReflect.Descriptor instead. func (*MultiChanBackup) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{169} + return file_lightning_proto_rawDescGZIP(), []int{170} } func (x *MultiChanBackup) GetChanPoints() []*ChannelPoint { @@ -15573,7 +15645,7 @@ type ChanBackupExportRequest struct { func (x *ChanBackupExportRequest) Reset() { *x = ChanBackupExportRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[170] + mi := &file_lightning_proto_msgTypes[171] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15586,7 +15658,7 @@ func (x *ChanBackupExportRequest) String() string { func (*ChanBackupExportRequest) ProtoMessage() {} func (x *ChanBackupExportRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[170] + mi := &file_lightning_proto_msgTypes[171] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15599,7 +15671,7 @@ func (x *ChanBackupExportRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ChanBackupExportRequest.ProtoReflect.Descriptor instead. func (*ChanBackupExportRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{170} + return file_lightning_proto_rawDescGZIP(), []int{171} } type ChanBackupSnapshot struct { @@ -15618,7 +15690,7 @@ type ChanBackupSnapshot struct { func (x *ChanBackupSnapshot) Reset() { *x = ChanBackupSnapshot{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[171] + mi := &file_lightning_proto_msgTypes[172] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15631,7 +15703,7 @@ func (x *ChanBackupSnapshot) String() string { func (*ChanBackupSnapshot) ProtoMessage() {} func (x *ChanBackupSnapshot) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[171] + mi := &file_lightning_proto_msgTypes[172] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15644,7 +15716,7 @@ func (x *ChanBackupSnapshot) ProtoReflect() protoreflect.Message { // Deprecated: Use ChanBackupSnapshot.ProtoReflect.Descriptor instead. func (*ChanBackupSnapshot) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{171} + return file_lightning_proto_rawDescGZIP(), []int{172} } func (x *ChanBackupSnapshot) GetSingleChanBackups() *ChannelBackups { @@ -15673,7 +15745,7 @@ type ChannelBackups struct { func (x *ChannelBackups) Reset() { *x = ChannelBackups{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[172] + mi := &file_lightning_proto_msgTypes[173] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15686,7 +15758,7 @@ func (x *ChannelBackups) String() string { func (*ChannelBackups) ProtoMessage() {} func (x *ChannelBackups) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[172] + mi := &file_lightning_proto_msgTypes[173] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15699,7 +15771,7 @@ func (x *ChannelBackups) ProtoReflect() protoreflect.Message { // Deprecated: Use ChannelBackups.ProtoReflect.Descriptor instead. func (*ChannelBackups) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{172} + return file_lightning_proto_rawDescGZIP(), []int{173} } func (x *ChannelBackups) GetChanBackups() []*ChannelBackup { @@ -15724,7 +15796,7 @@ type RestoreChanBackupRequest struct { func (x *RestoreChanBackupRequest) Reset() { *x = RestoreChanBackupRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[173] + mi := &file_lightning_proto_msgTypes[174] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15737,7 +15809,7 @@ func (x *RestoreChanBackupRequest) String() string { func (*RestoreChanBackupRequest) ProtoMessage() {} func (x *RestoreChanBackupRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[173] + mi := &file_lightning_proto_msgTypes[174] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15750,7 +15822,7 @@ func (x *RestoreChanBackupRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use RestoreChanBackupRequest.ProtoReflect.Descriptor instead. func (*RestoreChanBackupRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{173} + return file_lightning_proto_rawDescGZIP(), []int{174} } func (m *RestoreChanBackupRequest) GetBackup() isRestoreChanBackupRequest_Backup { @@ -15802,7 +15874,7 @@ type RestoreBackupResponse struct { func (x *RestoreBackupResponse) Reset() { *x = RestoreBackupResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[174] + mi := &file_lightning_proto_msgTypes[175] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15815,7 +15887,7 @@ func (x *RestoreBackupResponse) String() string { func (*RestoreBackupResponse) ProtoMessage() {} func (x *RestoreBackupResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[174] + mi := &file_lightning_proto_msgTypes[175] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15828,7 +15900,7 @@ func (x *RestoreBackupResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use RestoreBackupResponse.ProtoReflect.Descriptor instead. func (*RestoreBackupResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{174} + return file_lightning_proto_rawDescGZIP(), []int{175} } type ChannelBackupSubscription struct { @@ -15840,7 +15912,7 @@ type ChannelBackupSubscription struct { func (x *ChannelBackupSubscription) Reset() { *x = ChannelBackupSubscription{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[175] + mi := &file_lightning_proto_msgTypes[176] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15853,7 +15925,7 @@ func (x *ChannelBackupSubscription) String() string { func (*ChannelBackupSubscription) ProtoMessage() {} func (x *ChannelBackupSubscription) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[175] + mi := &file_lightning_proto_msgTypes[176] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15866,7 +15938,7 @@ func (x *ChannelBackupSubscription) ProtoReflect() protoreflect.Message { // Deprecated: Use ChannelBackupSubscription.ProtoReflect.Descriptor instead. func (*ChannelBackupSubscription) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{175} + return file_lightning_proto_rawDescGZIP(), []int{176} } type VerifyChanBackupResponse struct { @@ -15878,7 +15950,7 @@ type VerifyChanBackupResponse struct { func (x *VerifyChanBackupResponse) Reset() { *x = VerifyChanBackupResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[176] + mi := &file_lightning_proto_msgTypes[177] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15891,7 +15963,7 @@ func (x *VerifyChanBackupResponse) String() string { func (*VerifyChanBackupResponse) ProtoMessage() {} func (x *VerifyChanBackupResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[176] + mi := &file_lightning_proto_msgTypes[177] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15904,7 +15976,7 @@ func (x *VerifyChanBackupResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use VerifyChanBackupResponse.ProtoReflect.Descriptor instead. func (*VerifyChanBackupResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{176} + return file_lightning_proto_rawDescGZIP(), []int{177} } type MacaroonPermission struct { @@ -15921,7 +15993,7 @@ type MacaroonPermission struct { func (x *MacaroonPermission) Reset() { *x = MacaroonPermission{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[177] + mi := &file_lightning_proto_msgTypes[178] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15934,7 +16006,7 @@ func (x *MacaroonPermission) String() string { func (*MacaroonPermission) ProtoMessage() {} func (x *MacaroonPermission) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[177] + mi := &file_lightning_proto_msgTypes[178] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -15947,7 +16019,7 @@ func (x *MacaroonPermission) ProtoReflect() protoreflect.Message { // Deprecated: Use MacaroonPermission.ProtoReflect.Descriptor instead. func (*MacaroonPermission) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{177} + return file_lightning_proto_rawDescGZIP(), []int{178} } func (x *MacaroonPermission) GetEntity() string { @@ -15981,7 +16053,7 @@ type BakeMacaroonRequest struct { func (x *BakeMacaroonRequest) Reset() { *x = BakeMacaroonRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[178] + mi := &file_lightning_proto_msgTypes[179] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -15994,7 +16066,7 @@ func (x *BakeMacaroonRequest) String() string { func (*BakeMacaroonRequest) ProtoMessage() {} func (x *BakeMacaroonRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[178] + mi := &file_lightning_proto_msgTypes[179] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16007,7 +16079,7 @@ func (x *BakeMacaroonRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use BakeMacaroonRequest.ProtoReflect.Descriptor instead. func (*BakeMacaroonRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{178} + return file_lightning_proto_rawDescGZIP(), []int{179} } func (x *BakeMacaroonRequest) GetPermissions() []*MacaroonPermission { @@ -16043,7 +16115,7 @@ type BakeMacaroonResponse struct { func (x *BakeMacaroonResponse) Reset() { *x = BakeMacaroonResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[179] + mi := &file_lightning_proto_msgTypes[180] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16056,7 +16128,7 @@ func (x *BakeMacaroonResponse) String() string { func (*BakeMacaroonResponse) ProtoMessage() {} func (x *BakeMacaroonResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[179] + mi := &file_lightning_proto_msgTypes[180] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16069,7 +16141,7 @@ func (x *BakeMacaroonResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use BakeMacaroonResponse.ProtoReflect.Descriptor instead. func (*BakeMacaroonResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{179} + return file_lightning_proto_rawDescGZIP(), []int{180} } func (x *BakeMacaroonResponse) GetMacaroon() string { @@ -16088,7 +16160,7 @@ type ListMacaroonIDsRequest struct { func (x *ListMacaroonIDsRequest) Reset() { *x = ListMacaroonIDsRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[180] + mi := &file_lightning_proto_msgTypes[181] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16101,7 +16173,7 @@ func (x *ListMacaroonIDsRequest) String() string { func (*ListMacaroonIDsRequest) ProtoMessage() {} func (x *ListMacaroonIDsRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[180] + mi := &file_lightning_proto_msgTypes[181] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16114,7 +16186,7 @@ func (x *ListMacaroonIDsRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ListMacaroonIDsRequest.ProtoReflect.Descriptor instead. func (*ListMacaroonIDsRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{180} + return file_lightning_proto_rawDescGZIP(), []int{181} } type ListMacaroonIDsResponse struct { @@ -16129,7 +16201,7 @@ type ListMacaroonIDsResponse struct { func (x *ListMacaroonIDsResponse) Reset() { *x = ListMacaroonIDsResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[181] + mi := &file_lightning_proto_msgTypes[182] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16142,7 +16214,7 @@ func (x *ListMacaroonIDsResponse) String() string { func (*ListMacaroonIDsResponse) ProtoMessage() {} func (x *ListMacaroonIDsResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[181] + mi := &file_lightning_proto_msgTypes[182] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16155,7 +16227,7 @@ func (x *ListMacaroonIDsResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use ListMacaroonIDsResponse.ProtoReflect.Descriptor instead. func (*ListMacaroonIDsResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{181} + return file_lightning_proto_rawDescGZIP(), []int{182} } func (x *ListMacaroonIDsResponse) GetRootKeyIds() []uint64 { @@ -16177,7 +16249,7 @@ type DeleteMacaroonIDRequest struct { func (x *DeleteMacaroonIDRequest) Reset() { *x = DeleteMacaroonIDRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[182] + mi := &file_lightning_proto_msgTypes[183] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16190,7 +16262,7 @@ func (x *DeleteMacaroonIDRequest) String() string { func (*DeleteMacaroonIDRequest) ProtoMessage() {} func (x *DeleteMacaroonIDRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[182] + mi := &file_lightning_proto_msgTypes[183] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16203,7 +16275,7 @@ func (x *DeleteMacaroonIDRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use DeleteMacaroonIDRequest.ProtoReflect.Descriptor instead. func (*DeleteMacaroonIDRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{182} + return file_lightning_proto_rawDescGZIP(), []int{183} } func (x *DeleteMacaroonIDRequest) GetRootKeyId() uint64 { @@ -16225,7 +16297,7 @@ type DeleteMacaroonIDResponse struct { func (x *DeleteMacaroonIDResponse) Reset() { *x = DeleteMacaroonIDResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[183] + mi := &file_lightning_proto_msgTypes[184] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16238,7 +16310,7 @@ func (x *DeleteMacaroonIDResponse) String() string { func (*DeleteMacaroonIDResponse) ProtoMessage() {} func (x *DeleteMacaroonIDResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[183] + mi := &file_lightning_proto_msgTypes[184] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16251,7 +16323,7 @@ func (x *DeleteMacaroonIDResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use DeleteMacaroonIDResponse.ProtoReflect.Descriptor instead. func (*DeleteMacaroonIDResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{183} + return file_lightning_proto_rawDescGZIP(), []int{184} } func (x *DeleteMacaroonIDResponse) GetDeleted() bool { @@ -16273,7 +16345,7 @@ type MacaroonPermissionList struct { func (x *MacaroonPermissionList) Reset() { *x = MacaroonPermissionList{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[184] + mi := &file_lightning_proto_msgTypes[185] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16286,7 +16358,7 @@ func (x *MacaroonPermissionList) String() string { func (*MacaroonPermissionList) ProtoMessage() {} func (x *MacaroonPermissionList) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[184] + mi := &file_lightning_proto_msgTypes[185] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16299,7 +16371,7 @@ func (x *MacaroonPermissionList) ProtoReflect() protoreflect.Message { // Deprecated: Use MacaroonPermissionList.ProtoReflect.Descriptor instead. func (*MacaroonPermissionList) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{184} + return file_lightning_proto_rawDescGZIP(), []int{185} } func (x *MacaroonPermissionList) GetPermissions() []*MacaroonPermission { @@ -16318,7 +16390,7 @@ type ListPermissionsRequest struct { func (x *ListPermissionsRequest) Reset() { *x = ListPermissionsRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[185] + mi := &file_lightning_proto_msgTypes[186] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16331,7 +16403,7 @@ func (x *ListPermissionsRequest) String() string { func (*ListPermissionsRequest) ProtoMessage() {} func (x *ListPermissionsRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[185] + mi := &file_lightning_proto_msgTypes[186] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16344,7 +16416,7 @@ func (x *ListPermissionsRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use ListPermissionsRequest.ProtoReflect.Descriptor instead. func (*ListPermissionsRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{185} + return file_lightning_proto_rawDescGZIP(), []int{186} } type ListPermissionsResponse struct { @@ -16360,7 +16432,7 @@ type ListPermissionsResponse struct { func (x *ListPermissionsResponse) Reset() { *x = ListPermissionsResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[186] + mi := &file_lightning_proto_msgTypes[187] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16373,7 +16445,7 @@ func (x *ListPermissionsResponse) String() string { func (*ListPermissionsResponse) ProtoMessage() {} func (x *ListPermissionsResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[186] + mi := &file_lightning_proto_msgTypes[187] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16386,7 +16458,7 @@ func (x *ListPermissionsResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use ListPermissionsResponse.ProtoReflect.Descriptor instead. func (*ListPermissionsResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{186} + return file_lightning_proto_rawDescGZIP(), []int{187} } func (x *ListPermissionsResponse) GetMethodPermissions() map[string]*MacaroonPermissionList { @@ -16423,7 +16495,7 @@ type Failure struct { func (x *Failure) Reset() { *x = Failure{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[187] + mi := &file_lightning_proto_msgTypes[188] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16436,7 +16508,7 @@ func (x *Failure) String() string { func (*Failure) ProtoMessage() {} func (x *Failure) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[187] + mi := &file_lightning_proto_msgTypes[188] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16449,7 +16521,7 @@ func (x *Failure) ProtoReflect() protoreflect.Message { // Deprecated: Use Failure.ProtoReflect.Descriptor instead. func (*Failure) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{187} + return file_lightning_proto_rawDescGZIP(), []int{188} } func (x *Failure) GetCode() Failure_FailureCode { @@ -16563,7 +16635,7 @@ type ChannelUpdate struct { func (x *ChannelUpdate) Reset() { *x = ChannelUpdate{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[188] + mi := &file_lightning_proto_msgTypes[189] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16576,7 +16648,7 @@ func (x *ChannelUpdate) String() string { func (*ChannelUpdate) ProtoMessage() {} func (x *ChannelUpdate) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[188] + mi := &file_lightning_proto_msgTypes[189] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16589,7 +16661,7 @@ func (x *ChannelUpdate) ProtoReflect() protoreflect.Message { // Deprecated: Use ChannelUpdate.ProtoReflect.Descriptor instead. func (*ChannelUpdate) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{188} + return file_lightning_proto_rawDescGZIP(), []int{189} } func (x *ChannelUpdate) GetSignature() []byte { @@ -16689,7 +16761,7 @@ type MacaroonId struct { func (x *MacaroonId) Reset() { *x = MacaroonId{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[189] + mi := &file_lightning_proto_msgTypes[190] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16702,7 +16774,7 @@ func (x *MacaroonId) String() string { func (*MacaroonId) ProtoMessage() {} func (x *MacaroonId) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[189] + mi := &file_lightning_proto_msgTypes[190] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16715,7 +16787,7 @@ func (x *MacaroonId) ProtoReflect() protoreflect.Message { // Deprecated: Use MacaroonId.ProtoReflect.Descriptor instead. func (*MacaroonId) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{189} + return file_lightning_proto_rawDescGZIP(), []int{190} } func (x *MacaroonId) GetNonce() []byte { @@ -16751,7 +16823,7 @@ type Op struct { func (x *Op) Reset() { *x = Op{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[190] + mi := &file_lightning_proto_msgTypes[191] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16764,7 +16836,7 @@ func (x *Op) String() string { func (*Op) ProtoMessage() {} func (x *Op) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[190] + mi := &file_lightning_proto_msgTypes[191] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16777,7 +16849,7 @@ func (x *Op) ProtoReflect() protoreflect.Message { // Deprecated: Use Op.ProtoReflect.Descriptor instead. func (*Op) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{190} + return file_lightning_proto_rawDescGZIP(), []int{191} } func (x *Op) GetEntity() string { @@ -16807,7 +16879,7 @@ type CheckMacPermRequest struct { func (x *CheckMacPermRequest) Reset() { *x = CheckMacPermRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[191] + mi := &file_lightning_proto_msgTypes[192] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16820,7 +16892,7 @@ func (x *CheckMacPermRequest) String() string { func (*CheckMacPermRequest) ProtoMessage() {} func (x *CheckMacPermRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[191] + mi := &file_lightning_proto_msgTypes[192] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16833,7 +16905,7 @@ func (x *CheckMacPermRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use CheckMacPermRequest.ProtoReflect.Descriptor instead. func (*CheckMacPermRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{191} + return file_lightning_proto_rawDescGZIP(), []int{192} } func (x *CheckMacPermRequest) GetMacaroon() []byte { @@ -16868,7 +16940,7 @@ type CheckMacPermResponse struct { func (x *CheckMacPermResponse) Reset() { *x = CheckMacPermResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[192] + mi := &file_lightning_proto_msgTypes[193] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16881,7 +16953,7 @@ func (x *CheckMacPermResponse) String() string { func (*CheckMacPermResponse) ProtoMessage() {} func (x *CheckMacPermResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[192] + mi := &file_lightning_proto_msgTypes[193] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16894,7 +16966,7 @@ func (x *CheckMacPermResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use CheckMacPermResponse.ProtoReflect.Descriptor instead. func (*CheckMacPermResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{192} + return file_lightning_proto_rawDescGZIP(), []int{193} } func (x *CheckMacPermResponse) GetValid() bool { @@ -16948,7 +17020,7 @@ type RPCMiddlewareRequest struct { func (x *RPCMiddlewareRequest) Reset() { *x = RPCMiddlewareRequest{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[193] + mi := &file_lightning_proto_msgTypes[194] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -16961,7 +17033,7 @@ func (x *RPCMiddlewareRequest) String() string { func (*RPCMiddlewareRequest) ProtoMessage() {} func (x *RPCMiddlewareRequest) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[193] + mi := &file_lightning_proto_msgTypes[194] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -16974,7 +17046,7 @@ func (x *RPCMiddlewareRequest) ProtoReflect() protoreflect.Message { // Deprecated: Use RPCMiddlewareRequest.ProtoReflect.Descriptor instead. func (*RPCMiddlewareRequest) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{193} + return file_lightning_proto_rawDescGZIP(), []int{194} } func (x *RPCMiddlewareRequest) GetRequestId() uint64 { @@ -17102,7 +17174,7 @@ type StreamAuth struct { func (x *StreamAuth) Reset() { *x = StreamAuth{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[194] + mi := &file_lightning_proto_msgTypes[195] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17115,7 +17187,7 @@ func (x *StreamAuth) String() string { func (*StreamAuth) ProtoMessage() {} func (x *StreamAuth) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[194] + mi := &file_lightning_proto_msgTypes[195] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17128,7 +17200,7 @@ func (x *StreamAuth) ProtoReflect() protoreflect.Message { // Deprecated: Use StreamAuth.ProtoReflect.Descriptor instead. func (*StreamAuth) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{194} + return file_lightning_proto_rawDescGZIP(), []int{195} } func (x *StreamAuth) GetMethodFullUri() string { @@ -17165,7 +17237,7 @@ type RPCMessage struct { func (x *RPCMessage) Reset() { *x = RPCMessage{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[195] + mi := &file_lightning_proto_msgTypes[196] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17178,7 +17250,7 @@ func (x *RPCMessage) String() string { func (*RPCMessage) ProtoMessage() {} func (x *RPCMessage) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[195] + mi := &file_lightning_proto_msgTypes[196] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17191,7 +17263,7 @@ func (x *RPCMessage) ProtoReflect() protoreflect.Message { // Deprecated: Use RPCMessage.ProtoReflect.Descriptor instead. func (*RPCMessage) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{195} + return file_lightning_proto_rawDescGZIP(), []int{196} } func (x *RPCMessage) GetMethodFullUri() string { @@ -17252,7 +17324,7 @@ type RPCMiddlewareResponse struct { func (x *RPCMiddlewareResponse) Reset() { *x = RPCMiddlewareResponse{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[196] + mi := &file_lightning_proto_msgTypes[197] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17265,7 +17337,7 @@ func (x *RPCMiddlewareResponse) String() string { func (*RPCMiddlewareResponse) ProtoMessage() {} func (x *RPCMiddlewareResponse) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[196] + mi := &file_lightning_proto_msgTypes[197] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17278,7 +17350,7 @@ func (x *RPCMiddlewareResponse) ProtoReflect() protoreflect.Message { // Deprecated: Use RPCMiddlewareResponse.ProtoReflect.Descriptor instead. func (*RPCMiddlewareResponse) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{196} + return file_lightning_proto_rawDescGZIP(), []int{197} } func (x *RPCMiddlewareResponse) GetRefMsgId() uint64 { @@ -17364,7 +17436,7 @@ type MiddlewareRegistration struct { func (x *MiddlewareRegistration) Reset() { *x = MiddlewareRegistration{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[197] + mi := &file_lightning_proto_msgTypes[198] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17377,7 +17449,7 @@ func (x *MiddlewareRegistration) String() string { func (*MiddlewareRegistration) ProtoMessage() {} func (x *MiddlewareRegistration) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[197] + mi := &file_lightning_proto_msgTypes[198] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17390,7 +17462,7 @@ func (x *MiddlewareRegistration) ProtoReflect() protoreflect.Message { // Deprecated: Use MiddlewareRegistration.ProtoReflect.Descriptor instead. func (*MiddlewareRegistration) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{197} + return file_lightning_proto_rawDescGZIP(), []int{198} } func (x *MiddlewareRegistration) GetMiddlewareName() string { @@ -17437,7 +17509,7 @@ type InterceptFeedback struct { func (x *InterceptFeedback) Reset() { *x = InterceptFeedback{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[198] + mi := &file_lightning_proto_msgTypes[199] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17450,7 +17522,7 @@ func (x *InterceptFeedback) String() string { func (*InterceptFeedback) ProtoMessage() {} func (x *InterceptFeedback) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[198] + mi := &file_lightning_proto_msgTypes[199] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17463,7 +17535,7 @@ func (x *InterceptFeedback) ProtoReflect() protoreflect.Message { // Deprecated: Use InterceptFeedback.ProtoReflect.Descriptor instead. func (*InterceptFeedback) Descriptor() ([]byte, []int) { - return file_lightning_proto_rawDescGZIP(), []int{198} + return file_lightning_proto_rawDescGZIP(), []int{199} } func (x *InterceptFeedback) GetError() string { @@ -17522,7 +17594,7 @@ type PendingChannelsResponse_PendingChannel struct { func (x *PendingChannelsResponse_PendingChannel) Reset() { *x = PendingChannelsResponse_PendingChannel{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[205] + mi := &file_lightning_proto_msgTypes[206] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17535,7 +17607,7 @@ func (x *PendingChannelsResponse_PendingChannel) String() string { func (*PendingChannelsResponse_PendingChannel) ProtoMessage() {} func (x *PendingChannelsResponse_PendingChannel) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[205] + mi := &file_lightning_proto_msgTypes[206] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17676,7 +17748,7 @@ type PendingChannelsResponse_PendingOpenChannel struct { func (x *PendingChannelsResponse_PendingOpenChannel) Reset() { *x = PendingChannelsResponse_PendingOpenChannel{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[206] + mi := &file_lightning_proto_msgTypes[207] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17689,7 +17761,7 @@ func (x *PendingChannelsResponse_PendingOpenChannel) String() string { func (*PendingChannelsResponse_PendingOpenChannel) ProtoMessage() {} func (x *PendingChannelsResponse_PendingOpenChannel) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[206] + mi := &file_lightning_proto_msgTypes[207] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17762,7 +17834,7 @@ type PendingChannelsResponse_WaitingCloseChannel struct { func (x *PendingChannelsResponse_WaitingCloseChannel) Reset() { *x = PendingChannelsResponse_WaitingCloseChannel{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[207] + mi := &file_lightning_proto_msgTypes[208] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17775,7 +17847,7 @@ func (x *PendingChannelsResponse_WaitingCloseChannel) String() string { func (*PendingChannelsResponse_WaitingCloseChannel) ProtoMessage() {} func (x *PendingChannelsResponse_WaitingCloseChannel) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[207] + mi := &file_lightning_proto_msgTypes[208] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17851,7 +17923,7 @@ type PendingChannelsResponse_Commitments struct { func (x *PendingChannelsResponse_Commitments) Reset() { *x = PendingChannelsResponse_Commitments{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[208] + mi := &file_lightning_proto_msgTypes[209] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17864,7 +17936,7 @@ func (x *PendingChannelsResponse_Commitments) String() string { func (*PendingChannelsResponse_Commitments) ProtoMessage() {} func (x *PendingChannelsResponse_Commitments) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[208] + mi := &file_lightning_proto_msgTypes[209] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -17936,7 +18008,7 @@ type PendingChannelsResponse_ClosedChannel struct { func (x *PendingChannelsResponse_ClosedChannel) Reset() { *x = PendingChannelsResponse_ClosedChannel{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[209] + mi := &file_lightning_proto_msgTypes[210] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -17949,7 +18021,7 @@ func (x *PendingChannelsResponse_ClosedChannel) String() string { func (*PendingChannelsResponse_ClosedChannel) ProtoMessage() {} func (x *PendingChannelsResponse_ClosedChannel) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[209] + mi := &file_lightning_proto_msgTypes[210] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -18005,7 +18077,7 @@ type PendingChannelsResponse_ForceClosedChannel struct { func (x *PendingChannelsResponse_ForceClosedChannel) Reset() { *x = PendingChannelsResponse_ForceClosedChannel{} if protoimpl.UnsafeEnabled { - mi := &file_lightning_proto_msgTypes[210] + mi := &file_lightning_proto_msgTypes[211] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) } @@ -18018,7 +18090,7 @@ func (x *PendingChannelsResponse_ForceClosedChannel) String() string { func (*PendingChannelsResponse_ForceClosedChannel) ProtoMessage() {} func (x *PendingChannelsResponse_ForceClosedChannel) ProtoReflect() protoreflect.Message { - mi := &file_lightning_proto_msgTypes[210] + mi := &file_lightning_proto_msgTypes[211] if protoimpl.UnsafeEnabled && x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { @@ -19933,7 +20005,7 @@ var file_lightning_proto_rawDesc = []byte{ 0x0a, 0x73, 0x65, 0x74, 0x74, 0x6c, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x22, 0x0a, 0x0d, 0x61, 0x6d, 0x74, 0x5f, 0x70, 0x61, 0x69, 0x64, 0x5f, 0x6d, 0x73, 0x61, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x03, 0x52, 0x0b, 0x61, 0x6d, 0x74, 0x50, 0x61, 0x69, 0x64, 0x4d, 0x73, 0x61, 0x74, 0x22, - 0xd9, 0x09, 0x0a, 0x07, 0x49, 0x6e, 0x76, 0x6f, 0x69, 0x63, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x6d, + 0x8d, 0x0a, 0x0a, 0x07, 0x49, 0x6e, 0x76, 0x6f, 0x69, 0x63, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x65, 0x6d, 0x6f, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6d, 0x65, 0x6d, 0x6f, 0x12, 0x1d, 0x0a, 0x0a, 0x72, 0x5f, 0x70, 0x72, 0x65, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x09, 0x72, 0x50, 0x72, 0x65, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x12, 0x15, @@ -19994,1166 +20066,1181 @@ var 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(*BlindedHop)(nil), // 153: lnrpc.BlindedHop (*AMPInvoiceState)(nil), // 154: lnrpc.AMPInvoiceState (*Invoice)(nil), // 155: lnrpc.Invoice - (*InvoiceHTLC)(nil), // 156: lnrpc.InvoiceHTLC - (*AMP)(nil), // 157: lnrpc.AMP - (*AddInvoiceResponse)(nil), // 158: lnrpc.AddInvoiceResponse - (*PaymentHash)(nil), // 159: lnrpc.PaymentHash - (*ListInvoiceRequest)(nil), // 160: lnrpc.ListInvoiceRequest - (*ListInvoiceResponse)(nil), // 161: lnrpc.ListInvoiceResponse - (*InvoiceSubscription)(nil), // 162: lnrpc.InvoiceSubscription - (*Payment)(nil), // 163: lnrpc.Payment - (*HTLCAttempt)(nil), // 164: lnrpc.HTLCAttempt - (*ListPaymentsRequest)(nil), // 165: lnrpc.ListPaymentsRequest - (*ListPaymentsResponse)(nil), // 166: lnrpc.ListPaymentsResponse - (*DeletePaymentRequest)(nil), // 167: lnrpc.DeletePaymentRequest - (*DeleteAllPaymentsRequest)(nil), // 168: lnrpc.DeleteAllPaymentsRequest - (*DeletePaymentResponse)(nil), // 169: lnrpc.DeletePaymentResponse - (*DeleteAllPaymentsResponse)(nil), // 170: lnrpc.DeleteAllPaymentsResponse - (*AbandonChannelRequest)(nil), // 171: lnrpc.AbandonChannelRequest - (*AbandonChannelResponse)(nil), // 172: lnrpc.AbandonChannelResponse - (*DebugLevelRequest)(nil), // 173: lnrpc.DebugLevelRequest - (*DebugLevelResponse)(nil), // 174: lnrpc.DebugLevelResponse - (*PayReqString)(nil), // 175: lnrpc.PayReqString - (*PayReq)(nil), // 176: lnrpc.PayReq - (*Feature)(nil), // 177: lnrpc.Feature - (*FeeReportRequest)(nil), // 178: lnrpc.FeeReportRequest - (*ChannelFeeReport)(nil), // 179: lnrpc.ChannelFeeReport - (*FeeReportResponse)(nil), // 180: lnrpc.FeeReportResponse - (*InboundFee)(nil), // 181: lnrpc.InboundFee - (*PolicyUpdateRequest)(nil), // 182: lnrpc.PolicyUpdateRequest - (*FailedUpdate)(nil), // 183: lnrpc.FailedUpdate - (*PolicyUpdateResponse)(nil), // 184: lnrpc.PolicyUpdateResponse - (*ForwardingHistoryRequest)(nil), // 185: lnrpc.ForwardingHistoryRequest - (*ForwardingEvent)(nil), // 186: lnrpc.ForwardingEvent - (*ForwardingHistoryResponse)(nil), // 187: lnrpc.ForwardingHistoryResponse - (*ExportChannelBackupRequest)(nil), // 188: lnrpc.ExportChannelBackupRequest - (*ChannelBackup)(nil), // 189: lnrpc.ChannelBackup - (*MultiChanBackup)(nil), // 190: lnrpc.MultiChanBackup - (*ChanBackupExportRequest)(nil), // 191: lnrpc.ChanBackupExportRequest - (*ChanBackupSnapshot)(nil), // 192: lnrpc.ChanBackupSnapshot - (*ChannelBackups)(nil), // 193: lnrpc.ChannelBackups - (*RestoreChanBackupRequest)(nil), // 194: lnrpc.RestoreChanBackupRequest - (*RestoreBackupResponse)(nil), // 195: lnrpc.RestoreBackupResponse - (*ChannelBackupSubscription)(nil), // 196: lnrpc.ChannelBackupSubscription - (*VerifyChanBackupResponse)(nil), // 197: lnrpc.VerifyChanBackupResponse - (*MacaroonPermission)(nil), // 198: lnrpc.MacaroonPermission - (*BakeMacaroonRequest)(nil), // 199: lnrpc.BakeMacaroonRequest - (*BakeMacaroonResponse)(nil), // 200: lnrpc.BakeMacaroonResponse - (*ListMacaroonIDsRequest)(nil), // 201: lnrpc.ListMacaroonIDsRequest - (*ListMacaroonIDsResponse)(nil), // 202: lnrpc.ListMacaroonIDsResponse - (*DeleteMacaroonIDRequest)(nil), // 203: lnrpc.DeleteMacaroonIDRequest - (*DeleteMacaroonIDResponse)(nil), // 204: lnrpc.DeleteMacaroonIDResponse - (*MacaroonPermissionList)(nil), // 205: lnrpc.MacaroonPermissionList - (*ListPermissionsRequest)(nil), // 206: lnrpc.ListPermissionsRequest - (*ListPermissionsResponse)(nil), // 207: lnrpc.ListPermissionsResponse - (*Failure)(nil), // 208: lnrpc.Failure - (*ChannelUpdate)(nil), // 209: lnrpc.ChannelUpdate - (*MacaroonId)(nil), // 210: lnrpc.MacaroonId - (*Op)(nil), // 211: lnrpc.Op - (*CheckMacPermRequest)(nil), // 212: lnrpc.CheckMacPermRequest - (*CheckMacPermResponse)(nil), // 213: lnrpc.CheckMacPermResponse - (*RPCMiddlewareRequest)(nil), // 214: lnrpc.RPCMiddlewareRequest - (*StreamAuth)(nil), // 215: lnrpc.StreamAuth - (*RPCMessage)(nil), // 216: lnrpc.RPCMessage - (*RPCMiddlewareResponse)(nil), // 217: lnrpc.RPCMiddlewareResponse - (*MiddlewareRegistration)(nil), // 218: lnrpc.MiddlewareRegistration - (*InterceptFeedback)(nil), // 219: lnrpc.InterceptFeedback - nil, // 220: lnrpc.SendRequest.DestCustomRecordsEntry - nil, // 221: lnrpc.EstimateFeeRequest.AddrToAmountEntry - nil, // 222: lnrpc.SendManyRequest.AddrToAmountEntry - nil, // 223: lnrpc.Peer.FeaturesEntry - nil, // 224: lnrpc.GetInfoResponse.FeaturesEntry - nil, // 225: lnrpc.GetDebugInfoResponse.ConfigEntry - (*PendingChannelsResponse_PendingChannel)(nil), // 226: lnrpc.PendingChannelsResponse.PendingChannel - (*PendingChannelsResponse_PendingOpenChannel)(nil), // 227: lnrpc.PendingChannelsResponse.PendingOpenChannel - (*PendingChannelsResponse_WaitingCloseChannel)(nil), // 228: lnrpc.PendingChannelsResponse.WaitingCloseChannel - (*PendingChannelsResponse_Commitments)(nil), // 229: lnrpc.PendingChannelsResponse.Commitments - (*PendingChannelsResponse_ClosedChannel)(nil), // 230: lnrpc.PendingChannelsResponse.ClosedChannel - (*PendingChannelsResponse_ForceClosedChannel)(nil), // 231: lnrpc.PendingChannelsResponse.ForceClosedChannel - nil, // 232: lnrpc.WalletBalanceResponse.AccountBalanceEntry - nil, // 233: lnrpc.QueryRoutesRequest.DestCustomRecordsEntry - nil, // 234: lnrpc.Hop.CustomRecordsEntry - nil, // 235: lnrpc.LightningNode.FeaturesEntry - nil, // 236: lnrpc.LightningNode.CustomRecordsEntry - nil, // 237: lnrpc.RoutingPolicy.CustomRecordsEntry - nil, // 238: lnrpc.ChannelEdge.CustomRecordsEntry - nil, // 239: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry - nil, // 240: lnrpc.NodeUpdate.FeaturesEntry - nil, // 241: lnrpc.Invoice.FeaturesEntry - nil, // 242: lnrpc.Invoice.AmpInvoiceStateEntry - nil, // 243: lnrpc.InvoiceHTLC.CustomRecordsEntry - nil, // 244: lnrpc.PayReq.FeaturesEntry - nil, // 245: lnrpc.ListPermissionsResponse.MethodPermissionsEntry + (*BlindedPathConfig)(nil), // 156: lnrpc.BlindedPathConfig + (*InvoiceHTLC)(nil), // 157: lnrpc.InvoiceHTLC + (*AMP)(nil), // 158: lnrpc.AMP + (*AddInvoiceResponse)(nil), // 159: lnrpc.AddInvoiceResponse + (*PaymentHash)(nil), // 160: lnrpc.PaymentHash + (*ListInvoiceRequest)(nil), // 161: lnrpc.ListInvoiceRequest + (*ListInvoiceResponse)(nil), // 162: lnrpc.ListInvoiceResponse + (*InvoiceSubscription)(nil), // 163: lnrpc.InvoiceSubscription + (*Payment)(nil), // 164: lnrpc.Payment + (*HTLCAttempt)(nil), // 165: lnrpc.HTLCAttempt + (*ListPaymentsRequest)(nil), // 166: lnrpc.ListPaymentsRequest + (*ListPaymentsResponse)(nil), // 167: lnrpc.ListPaymentsResponse + (*DeletePaymentRequest)(nil), // 168: lnrpc.DeletePaymentRequest + (*DeleteAllPaymentsRequest)(nil), // 169: lnrpc.DeleteAllPaymentsRequest + (*DeletePaymentResponse)(nil), // 170: lnrpc.DeletePaymentResponse + (*DeleteAllPaymentsResponse)(nil), // 171: lnrpc.DeleteAllPaymentsResponse + (*AbandonChannelRequest)(nil), // 172: lnrpc.AbandonChannelRequest + (*AbandonChannelResponse)(nil), // 173: lnrpc.AbandonChannelResponse + (*DebugLevelRequest)(nil), // 174: lnrpc.DebugLevelRequest + (*DebugLevelResponse)(nil), // 175: lnrpc.DebugLevelResponse + (*PayReqString)(nil), // 176: lnrpc.PayReqString + (*PayReq)(nil), // 177: lnrpc.PayReq + (*Feature)(nil), // 178: lnrpc.Feature + (*FeeReportRequest)(nil), // 179: lnrpc.FeeReportRequest + (*ChannelFeeReport)(nil), // 180: lnrpc.ChannelFeeReport + (*FeeReportResponse)(nil), // 181: lnrpc.FeeReportResponse + (*InboundFee)(nil), // 182: lnrpc.InboundFee + (*PolicyUpdateRequest)(nil), // 183: lnrpc.PolicyUpdateRequest + (*FailedUpdate)(nil), // 184: lnrpc.FailedUpdate + (*PolicyUpdateResponse)(nil), // 185: lnrpc.PolicyUpdateResponse + (*ForwardingHistoryRequest)(nil), // 186: lnrpc.ForwardingHistoryRequest + (*ForwardingEvent)(nil), // 187: lnrpc.ForwardingEvent + (*ForwardingHistoryResponse)(nil), // 188: lnrpc.ForwardingHistoryResponse + (*ExportChannelBackupRequest)(nil), // 189: lnrpc.ExportChannelBackupRequest + (*ChannelBackup)(nil), // 190: lnrpc.ChannelBackup + (*MultiChanBackup)(nil), // 191: lnrpc.MultiChanBackup + (*ChanBackupExportRequest)(nil), // 192: lnrpc.ChanBackupExportRequest + (*ChanBackupSnapshot)(nil), // 193: lnrpc.ChanBackupSnapshot + (*ChannelBackups)(nil), // 194: lnrpc.ChannelBackups + (*RestoreChanBackupRequest)(nil), // 195: lnrpc.RestoreChanBackupRequest + (*RestoreBackupResponse)(nil), // 196: lnrpc.RestoreBackupResponse + (*ChannelBackupSubscription)(nil), // 197: lnrpc.ChannelBackupSubscription + (*VerifyChanBackupResponse)(nil), // 198: lnrpc.VerifyChanBackupResponse + (*MacaroonPermission)(nil), // 199: lnrpc.MacaroonPermission + (*BakeMacaroonRequest)(nil), // 200: lnrpc.BakeMacaroonRequest + (*BakeMacaroonResponse)(nil), // 201: lnrpc.BakeMacaroonResponse + (*ListMacaroonIDsRequest)(nil), // 202: lnrpc.ListMacaroonIDsRequest + (*ListMacaroonIDsResponse)(nil), // 203: lnrpc.ListMacaroonIDsResponse + (*DeleteMacaroonIDRequest)(nil), // 204: lnrpc.DeleteMacaroonIDRequest + (*DeleteMacaroonIDResponse)(nil), // 205: lnrpc.DeleteMacaroonIDResponse + (*MacaroonPermissionList)(nil), // 206: lnrpc.MacaroonPermissionList + (*ListPermissionsRequest)(nil), // 207: lnrpc.ListPermissionsRequest + (*ListPermissionsResponse)(nil), // 208: lnrpc.ListPermissionsResponse + (*Failure)(nil), // 209: lnrpc.Failure + (*ChannelUpdate)(nil), // 210: lnrpc.ChannelUpdate + (*MacaroonId)(nil), // 211: lnrpc.MacaroonId + (*Op)(nil), // 212: lnrpc.Op + (*CheckMacPermRequest)(nil), // 213: lnrpc.CheckMacPermRequest + (*CheckMacPermResponse)(nil), // 214: lnrpc.CheckMacPermResponse + (*RPCMiddlewareRequest)(nil), // 215: lnrpc.RPCMiddlewareRequest + (*StreamAuth)(nil), // 216: lnrpc.StreamAuth + (*RPCMessage)(nil), // 217: lnrpc.RPCMessage + (*RPCMiddlewareResponse)(nil), // 218: lnrpc.RPCMiddlewareResponse + (*MiddlewareRegistration)(nil), // 219: lnrpc.MiddlewareRegistration + (*InterceptFeedback)(nil), // 220: lnrpc.InterceptFeedback + nil, // 221: lnrpc.SendRequest.DestCustomRecordsEntry + nil, // 222: lnrpc.EstimateFeeRequest.AddrToAmountEntry + nil, // 223: lnrpc.SendManyRequest.AddrToAmountEntry + nil, // 224: lnrpc.Peer.FeaturesEntry + nil, // 225: lnrpc.GetInfoResponse.FeaturesEntry + nil, // 226: lnrpc.GetDebugInfoResponse.ConfigEntry + (*PendingChannelsResponse_PendingChannel)(nil), // 227: lnrpc.PendingChannelsResponse.PendingChannel + (*PendingChannelsResponse_PendingOpenChannel)(nil), // 228: lnrpc.PendingChannelsResponse.PendingOpenChannel + (*PendingChannelsResponse_WaitingCloseChannel)(nil), // 229: lnrpc.PendingChannelsResponse.WaitingCloseChannel + (*PendingChannelsResponse_Commitments)(nil), // 230: lnrpc.PendingChannelsResponse.Commitments + (*PendingChannelsResponse_ClosedChannel)(nil), // 231: lnrpc.PendingChannelsResponse.ClosedChannel + (*PendingChannelsResponse_ForceClosedChannel)(nil), // 232: lnrpc.PendingChannelsResponse.ForceClosedChannel + nil, // 233: lnrpc.WalletBalanceResponse.AccountBalanceEntry + nil, // 234: lnrpc.QueryRoutesRequest.DestCustomRecordsEntry + nil, // 235: lnrpc.Hop.CustomRecordsEntry + nil, // 236: lnrpc.LightningNode.FeaturesEntry + nil, // 237: lnrpc.LightningNode.CustomRecordsEntry + nil, // 238: lnrpc.RoutingPolicy.CustomRecordsEntry + nil, // 239: lnrpc.ChannelEdge.CustomRecordsEntry + nil, // 240: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry + nil, // 241: lnrpc.NodeUpdate.FeaturesEntry + nil, // 242: lnrpc.Invoice.FeaturesEntry + nil, // 243: lnrpc.Invoice.AmpInvoiceStateEntry + nil, // 244: lnrpc.InvoiceHTLC.CustomRecordsEntry + nil, // 245: lnrpc.PayReq.FeaturesEntry + nil, // 246: lnrpc.ListPermissionsResponse.MethodPermissionsEntry } var file_lightning_proto_depIdxs = []int32{ 2, // 0: lnrpc.Utxo.address_type:type_name -> lnrpc.AddressType @@ -21426,14 +21514,14 @@ var file_lightning_proto_depIdxs = []int32{ 40, // 4: lnrpc.Transaction.previous_outpoints:type_name -> lnrpc.PreviousOutPoint 29, // 5: lnrpc.TransactionDetails.transactions:type_name -> lnrpc.Transaction 32, // 6: lnrpc.SendRequest.fee_limit:type_name -> lnrpc.FeeLimit - 220, // 7: lnrpc.SendRequest.dest_custom_records:type_name -> lnrpc.SendRequest.DestCustomRecordsEntry + 221, // 7: lnrpc.SendRequest.dest_custom_records:type_name -> lnrpc.SendRequest.DestCustomRecordsEntry 10, // 8: lnrpc.SendRequest.dest_features:type_name -> lnrpc.FeatureBit 126, // 9: lnrpc.SendResponse.payment_route:type_name -> lnrpc.Route 126, // 10: lnrpc.SendToRouteRequest.route:type_name -> lnrpc.Route 3, // 11: lnrpc.ChannelAcceptRequest.commitment_type:type_name -> lnrpc.CommitmentType - 221, // 12: lnrpc.EstimateFeeRequest.AddrToAmount:type_name -> lnrpc.EstimateFeeRequest.AddrToAmountEntry + 222, // 12: lnrpc.EstimateFeeRequest.AddrToAmount:type_name -> lnrpc.EstimateFeeRequest.AddrToAmountEntry 1, // 13: lnrpc.EstimateFeeRequest.coin_selection_strategy:type_name -> lnrpc.CoinSelectionStrategy - 222, // 14: lnrpc.SendManyRequest.AddrToAmount:type_name -> lnrpc.SendManyRequest.AddrToAmountEntry + 223, // 14: lnrpc.SendManyRequest.AddrToAmount:type_name -> lnrpc.SendManyRequest.AddrToAmountEntry 1, // 15: lnrpc.SendManyRequest.coin_selection_strategy:type_name -> lnrpc.CoinSelectionStrategy 1, // 16: lnrpc.SendCoinsRequest.coin_selection_strategy:type_name -> lnrpc.CoinSelectionStrategy 39, // 17: lnrpc.SendCoinsRequest.outpoints:type_name -> lnrpc.OutPoint @@ -21455,13 +21543,13 @@ var file_lightning_proto_depIdxs = []int32{ 39, // 33: lnrpc.Resolution.outpoint:type_name -> lnrpc.OutPoint 68, // 34: lnrpc.ClosedChannelsResponse.channels:type_name -> lnrpc.ChannelCloseSummary 13, // 35: lnrpc.Peer.sync_type:type_name -> lnrpc.Peer.SyncType - 223, // 36: lnrpc.Peer.features:type_name -> lnrpc.Peer.FeaturesEntry + 224, // 36: lnrpc.Peer.features:type_name -> lnrpc.Peer.FeaturesEntry 73, // 37: lnrpc.Peer.errors:type_name -> lnrpc.TimestampedError 72, // 38: lnrpc.ListPeersResponse.peers:type_name -> lnrpc.Peer 14, // 39: lnrpc.PeerEvent.type:type_name -> lnrpc.PeerEvent.EventType 84, // 40: lnrpc.GetInfoResponse.chains:type_name -> lnrpc.Chain - 224, // 41: lnrpc.GetInfoResponse.features:type_name -> lnrpc.GetInfoResponse.FeaturesEntry - 225, // 42: lnrpc.GetDebugInfoResponse.config:type_name -> lnrpc.GetDebugInfoResponse.ConfigEntry + 225, // 41: lnrpc.GetInfoResponse.features:type_name -> lnrpc.GetInfoResponse.FeaturesEntry + 226, // 42: lnrpc.GetDebugInfoResponse.config:type_name -> lnrpc.GetDebugInfoResponse.ConfigEntry 38, // 43: lnrpc.ChannelOpenUpdate.channel_point:type_name -> lnrpc.ChannelPoint 38, // 44: lnrpc.CloseChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint 90, // 45: lnrpc.CloseStatusUpdate.close_pending:type_name -> lnrpc.PendingUpdate @@ -21486,10 +21574,10 @@ var file_lightning_proto_depIdxs = []int32{ 103, // 64: lnrpc.FundingTransitionMsg.shim_cancel:type_name -> lnrpc.FundingShimCancel 104, // 65: lnrpc.FundingTransitionMsg.psbt_verify:type_name -> lnrpc.FundingPsbtVerify 105, // 66: lnrpc.FundingTransitionMsg.psbt_finalize:type_name -> lnrpc.FundingPsbtFinalize - 227, // 67: lnrpc.PendingChannelsResponse.pending_open_channels:type_name -> lnrpc.PendingChannelsResponse.PendingOpenChannel - 230, // 68: lnrpc.PendingChannelsResponse.pending_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ClosedChannel - 231, // 69: lnrpc.PendingChannelsResponse.pending_force_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel - 228, // 70: lnrpc.PendingChannelsResponse.waiting_close_channels:type_name -> lnrpc.PendingChannelsResponse.WaitingCloseChannel + 228, // 67: lnrpc.PendingChannelsResponse.pending_open_channels:type_name -> lnrpc.PendingChannelsResponse.PendingOpenChannel + 231, // 68: lnrpc.PendingChannelsResponse.pending_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ClosedChannel + 232, // 69: lnrpc.PendingChannelsResponse.pending_force_closing_channels:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel + 229, // 70: lnrpc.PendingChannelsResponse.waiting_close_channels:type_name -> lnrpc.PendingChannelsResponse.WaitingCloseChannel 62, // 71: lnrpc.ChannelEventUpdate.open_channel:type_name -> lnrpc.Channel 68, // 72: lnrpc.ChannelEventUpdate.closed_channel:type_name -> lnrpc.ChannelCloseSummary 38, // 73: lnrpc.ChannelEventUpdate.active_channel:type_name -> lnrpc.ChannelPoint @@ -21497,7 +21585,7 @@ var file_lightning_proto_depIdxs = []int32{ 90, // 75: lnrpc.ChannelEventUpdate.pending_open_channel:type_name -> lnrpc.PendingUpdate 38, // 76: lnrpc.ChannelEventUpdate.fully_resolved_channel:type_name -> lnrpc.ChannelPoint 16, // 77: lnrpc.ChannelEventUpdate.type:type_name -> lnrpc.ChannelEventUpdate.UpdateType - 232, // 78: lnrpc.WalletBalanceResponse.account_balance:type_name -> lnrpc.WalletBalanceResponse.AccountBalanceEntry + 233, // 78: lnrpc.WalletBalanceResponse.account_balance:type_name -> lnrpc.WalletBalanceResponse.AccountBalanceEntry 116, // 79: lnrpc.ChannelBalanceResponse.local_balance:type_name -> lnrpc.Amount 116, // 80: lnrpc.ChannelBalanceResponse.remote_balance:type_name -> lnrpc.Amount 116, // 81: lnrpc.ChannelBalanceResponse.unsettled_local_balance:type_name -> lnrpc.Amount @@ -21507,33 +21595,33 @@ var file_lightning_proto_depIdxs = []int32{ 32, // 85: lnrpc.QueryRoutesRequest.fee_limit:type_name -> lnrpc.FeeLimit 121, // 86: lnrpc.QueryRoutesRequest.ignored_edges:type_name -> lnrpc.EdgeLocator 120, // 87: lnrpc.QueryRoutesRequest.ignored_pairs:type_name -> lnrpc.NodePair - 233, // 88: lnrpc.QueryRoutesRequest.dest_custom_records:type_name -> lnrpc.QueryRoutesRequest.DestCustomRecordsEntry + 234, // 88: lnrpc.QueryRoutesRequest.dest_custom_records:type_name -> lnrpc.QueryRoutesRequest.DestCustomRecordsEntry 150, // 89: lnrpc.QueryRoutesRequest.route_hints:type_name -> lnrpc.RouteHint 151, // 90: lnrpc.QueryRoutesRequest.blinded_payment_paths:type_name -> lnrpc.BlindedPaymentPath 10, // 91: lnrpc.QueryRoutesRequest.dest_features:type_name -> lnrpc.FeatureBit 126, // 92: lnrpc.QueryRoutesResponse.routes:type_name -> lnrpc.Route 124, // 93: lnrpc.Hop.mpp_record:type_name -> lnrpc.MPPRecord 125, // 94: lnrpc.Hop.amp_record:type_name -> lnrpc.AMPRecord - 234, // 95: lnrpc.Hop.custom_records:type_name -> lnrpc.Hop.CustomRecordsEntry + 235, // 95: lnrpc.Hop.custom_records:type_name -> lnrpc.Hop.CustomRecordsEntry 123, // 96: lnrpc.Route.hops:type_name -> lnrpc.Hop 129, // 97: lnrpc.NodeInfo.node:type_name -> lnrpc.LightningNode 132, // 98: lnrpc.NodeInfo.channels:type_name -> lnrpc.ChannelEdge 130, // 99: lnrpc.LightningNode.addresses:type_name -> lnrpc.NodeAddress - 235, // 100: lnrpc.LightningNode.features:type_name -> lnrpc.LightningNode.FeaturesEntry - 236, // 101: lnrpc.LightningNode.custom_records:type_name -> lnrpc.LightningNode.CustomRecordsEntry - 237, // 102: lnrpc.RoutingPolicy.custom_records:type_name -> lnrpc.RoutingPolicy.CustomRecordsEntry + 236, // 100: lnrpc.LightningNode.features:type_name -> lnrpc.LightningNode.FeaturesEntry + 237, // 101: lnrpc.LightningNode.custom_records:type_name -> lnrpc.LightningNode.CustomRecordsEntry + 238, // 102: lnrpc.RoutingPolicy.custom_records:type_name -> lnrpc.RoutingPolicy.CustomRecordsEntry 131, // 103: lnrpc.ChannelEdge.node1_policy:type_name -> lnrpc.RoutingPolicy 131, // 104: lnrpc.ChannelEdge.node2_policy:type_name -> lnrpc.RoutingPolicy - 238, // 105: lnrpc.ChannelEdge.custom_records:type_name -> lnrpc.ChannelEdge.CustomRecordsEntry + 239, // 105: lnrpc.ChannelEdge.custom_records:type_name -> lnrpc.ChannelEdge.CustomRecordsEntry 129, // 106: lnrpc.ChannelGraph.nodes:type_name -> lnrpc.LightningNode 132, // 107: lnrpc.ChannelGraph.edges:type_name -> lnrpc.ChannelEdge 7, // 108: lnrpc.NodeMetricsRequest.types:type_name -> lnrpc.NodeMetricType - 239, // 109: lnrpc.NodeMetricsResponse.betweenness_centrality:type_name -> lnrpc.NodeMetricsResponse.BetweennessCentralityEntry + 240, // 109: lnrpc.NodeMetricsResponse.betweenness_centrality:type_name -> lnrpc.NodeMetricsResponse.BetweennessCentralityEntry 145, // 110: lnrpc.GraphTopologyUpdate.node_updates:type_name -> lnrpc.NodeUpdate 146, // 111: lnrpc.GraphTopologyUpdate.channel_updates:type_name -> lnrpc.ChannelEdgeUpdate 147, // 112: lnrpc.GraphTopologyUpdate.closed_chans:type_name -> lnrpc.ClosedChannelUpdate 130, // 113: lnrpc.NodeUpdate.node_addresses:type_name -> lnrpc.NodeAddress - 240, // 114: lnrpc.NodeUpdate.features:type_name -> lnrpc.NodeUpdate.FeaturesEntry + 241, // 114: lnrpc.NodeUpdate.features:type_name -> lnrpc.NodeUpdate.FeaturesEntry 38, // 115: lnrpc.ChannelEdgeUpdate.chan_point:type_name -> lnrpc.ChannelPoint 131, // 116: lnrpc.ChannelEdgeUpdate.routing_policy:type_name -> lnrpc.RoutingPolicy 38, // 117: lnrpc.ClosedChannelUpdate.chan_point:type_name -> lnrpc.ChannelPoint @@ -21544,210 +21632,211 @@ var file_lightning_proto_depIdxs = []int32{ 8, // 122: lnrpc.AMPInvoiceState.state:type_name -> lnrpc.InvoiceHTLCState 150, // 123: lnrpc.Invoice.route_hints:type_name -> lnrpc.RouteHint 17, // 124: lnrpc.Invoice.state:type_name -> lnrpc.Invoice.InvoiceState - 156, // 125: lnrpc.Invoice.htlcs:type_name -> lnrpc.InvoiceHTLC - 241, // 126: lnrpc.Invoice.features:type_name -> lnrpc.Invoice.FeaturesEntry - 242, // 127: lnrpc.Invoice.amp_invoice_state:type_name -> lnrpc.Invoice.AmpInvoiceStateEntry - 8, // 128: lnrpc.InvoiceHTLC.state:type_name -> lnrpc.InvoiceHTLCState - 243, // 129: lnrpc.InvoiceHTLC.custom_records:type_name -> lnrpc.InvoiceHTLC.CustomRecordsEntry - 157, // 130: lnrpc.InvoiceHTLC.amp:type_name -> lnrpc.AMP - 155, // 131: lnrpc.ListInvoiceResponse.invoices:type_name -> lnrpc.Invoice - 18, // 132: lnrpc.Payment.status:type_name -> lnrpc.Payment.PaymentStatus - 164, // 133: lnrpc.Payment.htlcs:type_name -> lnrpc.HTLCAttempt - 9, // 134: lnrpc.Payment.failure_reason:type_name -> lnrpc.PaymentFailureReason - 19, // 135: lnrpc.HTLCAttempt.status:type_name -> lnrpc.HTLCAttempt.HTLCStatus - 126, // 136: lnrpc.HTLCAttempt.route:type_name -> lnrpc.Route - 208, // 137: lnrpc.HTLCAttempt.failure:type_name -> lnrpc.Failure - 163, // 138: lnrpc.ListPaymentsResponse.payments:type_name -> lnrpc.Payment - 38, // 139: lnrpc.AbandonChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint - 150, // 140: lnrpc.PayReq.route_hints:type_name -> lnrpc.RouteHint - 244, // 141: lnrpc.PayReq.features:type_name -> lnrpc.PayReq.FeaturesEntry - 151, // 142: lnrpc.PayReq.blinded_paths:type_name -> lnrpc.BlindedPaymentPath - 179, // 143: lnrpc.FeeReportResponse.channel_fees:type_name -> lnrpc.ChannelFeeReport - 38, // 144: lnrpc.PolicyUpdateRequest.chan_point:type_name -> lnrpc.ChannelPoint - 181, // 145: lnrpc.PolicyUpdateRequest.inbound_fee:type_name -> lnrpc.InboundFee - 39, // 146: lnrpc.FailedUpdate.outpoint:type_name -> lnrpc.OutPoint - 11, // 147: lnrpc.FailedUpdate.reason:type_name -> lnrpc.UpdateFailure - 183, // 148: lnrpc.PolicyUpdateResponse.failed_updates:type_name -> lnrpc.FailedUpdate - 186, // 149: lnrpc.ForwardingHistoryResponse.forwarding_events:type_name -> lnrpc.ForwardingEvent - 38, // 150: lnrpc.ExportChannelBackupRequest.chan_point:type_name -> lnrpc.ChannelPoint - 38, // 151: lnrpc.ChannelBackup.chan_point:type_name -> lnrpc.ChannelPoint - 38, // 152: lnrpc.MultiChanBackup.chan_points:type_name -> lnrpc.ChannelPoint - 193, // 153: lnrpc.ChanBackupSnapshot.single_chan_backups:type_name -> lnrpc.ChannelBackups - 190, // 154: lnrpc.ChanBackupSnapshot.multi_chan_backup:type_name -> lnrpc.MultiChanBackup - 189, // 155: lnrpc.ChannelBackups.chan_backups:type_name -> lnrpc.ChannelBackup - 193, // 156: lnrpc.RestoreChanBackupRequest.chan_backups:type_name -> lnrpc.ChannelBackups - 198, // 157: lnrpc.BakeMacaroonRequest.permissions:type_name -> lnrpc.MacaroonPermission - 198, // 158: lnrpc.MacaroonPermissionList.permissions:type_name -> lnrpc.MacaroonPermission - 245, // 159: lnrpc.ListPermissionsResponse.method_permissions:type_name -> lnrpc.ListPermissionsResponse.MethodPermissionsEntry - 20, // 160: lnrpc.Failure.code:type_name -> lnrpc.Failure.FailureCode - 209, // 161: lnrpc.Failure.channel_update:type_name -> lnrpc.ChannelUpdate - 211, // 162: lnrpc.MacaroonId.ops:type_name -> lnrpc.Op - 198, // 163: lnrpc.CheckMacPermRequest.permissions:type_name -> lnrpc.MacaroonPermission - 215, // 164: lnrpc.RPCMiddlewareRequest.stream_auth:type_name -> lnrpc.StreamAuth - 216, // 165: lnrpc.RPCMiddlewareRequest.request:type_name -> lnrpc.RPCMessage - 216, // 166: lnrpc.RPCMiddlewareRequest.response:type_name -> lnrpc.RPCMessage - 218, // 167: lnrpc.RPCMiddlewareResponse.register:type_name -> lnrpc.MiddlewareRegistration - 219, // 168: lnrpc.RPCMiddlewareResponse.feedback:type_name -> lnrpc.InterceptFeedback - 177, // 169: lnrpc.Peer.FeaturesEntry.value:type_name -> lnrpc.Feature - 177, // 170: lnrpc.GetInfoResponse.FeaturesEntry.value:type_name -> lnrpc.Feature - 4, // 171: lnrpc.PendingChannelsResponse.PendingChannel.initiator:type_name -> lnrpc.Initiator - 3, // 172: lnrpc.PendingChannelsResponse.PendingChannel.commitment_type:type_name -> lnrpc.CommitmentType - 226, // 173: lnrpc.PendingChannelsResponse.PendingOpenChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 226, // 174: lnrpc.PendingChannelsResponse.WaitingCloseChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 229, // 175: lnrpc.PendingChannelsResponse.WaitingCloseChannel.commitments:type_name -> lnrpc.PendingChannelsResponse.Commitments - 226, // 176: lnrpc.PendingChannelsResponse.ClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 226, // 177: lnrpc.PendingChannelsResponse.ForceClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel - 108, // 178: lnrpc.PendingChannelsResponse.ForceClosedChannel.pending_htlcs:type_name -> lnrpc.PendingHTLC - 15, // 179: lnrpc.PendingChannelsResponse.ForceClosedChannel.anchor:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel.AnchorState - 113, // 180: lnrpc.WalletBalanceResponse.AccountBalanceEntry.value:type_name -> lnrpc.WalletAccountBalance - 177, // 181: lnrpc.LightningNode.FeaturesEntry.value:type_name -> lnrpc.Feature - 137, // 182: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry.value:type_name -> lnrpc.FloatMetric - 177, // 183: lnrpc.NodeUpdate.FeaturesEntry.value:type_name -> lnrpc.Feature - 177, // 184: lnrpc.Invoice.FeaturesEntry.value:type_name -> lnrpc.Feature - 154, // 185: lnrpc.Invoice.AmpInvoiceStateEntry.value:type_name -> lnrpc.AMPInvoiceState - 177, // 186: lnrpc.PayReq.FeaturesEntry.value:type_name -> lnrpc.Feature - 205, // 187: lnrpc.ListPermissionsResponse.MethodPermissionsEntry.value:type_name -> lnrpc.MacaroonPermissionList - 114, // 188: lnrpc.Lightning.WalletBalance:input_type -> lnrpc.WalletBalanceRequest - 117, // 189: lnrpc.Lightning.ChannelBalance:input_type -> lnrpc.ChannelBalanceRequest - 30, // 190: lnrpc.Lightning.GetTransactions:input_type -> lnrpc.GetTransactionsRequest - 42, // 191: lnrpc.Lightning.EstimateFee:input_type -> lnrpc.EstimateFeeRequest - 46, // 192: lnrpc.Lightning.SendCoins:input_type -> lnrpc.SendCoinsRequest - 48, // 193: lnrpc.Lightning.ListUnspent:input_type -> lnrpc.ListUnspentRequest - 30, // 194: lnrpc.Lightning.SubscribeTransactions:input_type -> lnrpc.GetTransactionsRequest - 44, // 195: lnrpc.Lightning.SendMany:input_type -> lnrpc.SendManyRequest - 50, // 196: lnrpc.Lightning.NewAddress:input_type -> lnrpc.NewAddressRequest - 52, // 197: lnrpc.Lightning.SignMessage:input_type -> lnrpc.SignMessageRequest - 54, // 198: lnrpc.Lightning.VerifyMessage:input_type -> lnrpc.VerifyMessageRequest - 56, // 199: lnrpc.Lightning.ConnectPeer:input_type -> lnrpc.ConnectPeerRequest - 58, // 200: lnrpc.Lightning.DisconnectPeer:input_type -> lnrpc.DisconnectPeerRequest - 74, // 201: lnrpc.Lightning.ListPeers:input_type -> lnrpc.ListPeersRequest - 76, // 202: lnrpc.Lightning.SubscribePeerEvents:input_type -> lnrpc.PeerEventSubscription - 78, // 203: lnrpc.Lightning.GetInfo:input_type -> lnrpc.GetInfoRequest - 80, // 204: lnrpc.Lightning.GetDebugInfo:input_type -> lnrpc.GetDebugInfoRequest - 82, // 205: lnrpc.Lightning.GetRecoveryInfo:input_type -> lnrpc.GetRecoveryInfoRequest - 109, // 206: lnrpc.Lightning.PendingChannels:input_type -> lnrpc.PendingChannelsRequest - 63, // 207: lnrpc.Lightning.ListChannels:input_type -> lnrpc.ListChannelsRequest - 111, // 208: lnrpc.Lightning.SubscribeChannelEvents:input_type -> lnrpc.ChannelEventSubscription - 70, // 209: lnrpc.Lightning.ClosedChannels:input_type -> lnrpc.ClosedChannelsRequest - 96, // 210: lnrpc.Lightning.OpenChannelSync:input_type -> lnrpc.OpenChannelRequest - 96, // 211: lnrpc.Lightning.OpenChannel:input_type -> lnrpc.OpenChannelRequest - 93, // 212: lnrpc.Lightning.BatchOpenChannel:input_type -> lnrpc.BatchOpenChannelRequest - 106, // 213: lnrpc.Lightning.FundingStateStep:input_type -> lnrpc.FundingTransitionMsg - 37, // 214: lnrpc.Lightning.ChannelAcceptor:input_type -> lnrpc.ChannelAcceptResponse - 88, // 215: lnrpc.Lightning.CloseChannel:input_type -> lnrpc.CloseChannelRequest - 171, // 216: lnrpc.Lightning.AbandonChannel:input_type -> lnrpc.AbandonChannelRequest - 33, // 217: lnrpc.Lightning.SendPayment:input_type -> lnrpc.SendRequest - 33, // 218: lnrpc.Lightning.SendPaymentSync:input_type -> lnrpc.SendRequest - 35, // 219: lnrpc.Lightning.SendToRoute:input_type -> lnrpc.SendToRouteRequest - 35, // 220: lnrpc.Lightning.SendToRouteSync:input_type -> lnrpc.SendToRouteRequest - 155, // 221: lnrpc.Lightning.AddInvoice:input_type -> lnrpc.Invoice - 160, // 222: lnrpc.Lightning.ListInvoices:input_type -> lnrpc.ListInvoiceRequest - 159, // 223: lnrpc.Lightning.LookupInvoice:input_type -> lnrpc.PaymentHash - 162, // 224: lnrpc.Lightning.SubscribeInvoices:input_type -> lnrpc.InvoiceSubscription - 175, // 225: lnrpc.Lightning.DecodePayReq:input_type -> lnrpc.PayReqString - 165, // 226: lnrpc.Lightning.ListPayments:input_type -> lnrpc.ListPaymentsRequest - 167, // 227: lnrpc.Lightning.DeletePayment:input_type -> lnrpc.DeletePaymentRequest - 168, // 228: lnrpc.Lightning.DeleteAllPayments:input_type -> lnrpc.DeleteAllPaymentsRequest - 133, // 229: lnrpc.Lightning.DescribeGraph:input_type -> lnrpc.ChannelGraphRequest - 135, // 230: lnrpc.Lightning.GetNodeMetrics:input_type -> lnrpc.NodeMetricsRequest - 138, // 231: lnrpc.Lightning.GetChanInfo:input_type -> lnrpc.ChanInfoRequest - 127, // 232: lnrpc.Lightning.GetNodeInfo:input_type -> lnrpc.NodeInfoRequest - 119, // 233: lnrpc.Lightning.QueryRoutes:input_type -> lnrpc.QueryRoutesRequest - 139, // 234: lnrpc.Lightning.GetNetworkInfo:input_type -> lnrpc.NetworkInfoRequest - 141, // 235: lnrpc.Lightning.StopDaemon:input_type -> lnrpc.StopRequest - 143, // 236: lnrpc.Lightning.SubscribeChannelGraph:input_type -> lnrpc.GraphTopologySubscription - 173, // 237: lnrpc.Lightning.DebugLevel:input_type -> lnrpc.DebugLevelRequest - 178, // 238: lnrpc.Lightning.FeeReport:input_type -> lnrpc.FeeReportRequest - 182, // 239: lnrpc.Lightning.UpdateChannelPolicy:input_type -> lnrpc.PolicyUpdateRequest - 185, // 240: lnrpc.Lightning.ForwardingHistory:input_type -> lnrpc.ForwardingHistoryRequest - 188, // 241: lnrpc.Lightning.ExportChannelBackup:input_type -> lnrpc.ExportChannelBackupRequest - 191, // 242: lnrpc.Lightning.ExportAllChannelBackups:input_type -> lnrpc.ChanBackupExportRequest - 192, // 243: lnrpc.Lightning.VerifyChanBackup:input_type -> lnrpc.ChanBackupSnapshot - 194, // 244: lnrpc.Lightning.RestoreChannelBackups:input_type -> lnrpc.RestoreChanBackupRequest - 196, // 245: lnrpc.Lightning.SubscribeChannelBackups:input_type -> lnrpc.ChannelBackupSubscription - 199, // 246: lnrpc.Lightning.BakeMacaroon:input_type -> lnrpc.BakeMacaroonRequest - 201, // 247: lnrpc.Lightning.ListMacaroonIDs:input_type -> lnrpc.ListMacaroonIDsRequest - 203, // 248: lnrpc.Lightning.DeleteMacaroonID:input_type -> lnrpc.DeleteMacaroonIDRequest - 206, // 249: lnrpc.Lightning.ListPermissions:input_type -> lnrpc.ListPermissionsRequest - 212, // 250: lnrpc.Lightning.CheckMacaroonPermissions:input_type -> lnrpc.CheckMacPermRequest - 217, // 251: lnrpc.Lightning.RegisterRPCMiddleware:input_type -> lnrpc.RPCMiddlewareResponse - 25, // 252: lnrpc.Lightning.SendCustomMessage:input_type -> lnrpc.SendCustomMessageRequest - 23, // 253: lnrpc.Lightning.SubscribeCustomMessages:input_type -> lnrpc.SubscribeCustomMessagesRequest - 66, // 254: lnrpc.Lightning.ListAliases:input_type -> lnrpc.ListAliasesRequest - 21, // 255: lnrpc.Lightning.LookupHtlcResolution:input_type -> lnrpc.LookupHtlcResolutionRequest - 115, // 256: lnrpc.Lightning.WalletBalance:output_type -> lnrpc.WalletBalanceResponse - 118, // 257: lnrpc.Lightning.ChannelBalance:output_type -> lnrpc.ChannelBalanceResponse - 31, // 258: lnrpc.Lightning.GetTransactions:output_type -> lnrpc.TransactionDetails - 43, // 259: lnrpc.Lightning.EstimateFee:output_type -> lnrpc.EstimateFeeResponse - 47, // 260: lnrpc.Lightning.SendCoins:output_type -> lnrpc.SendCoinsResponse - 49, // 261: lnrpc.Lightning.ListUnspent:output_type -> lnrpc.ListUnspentResponse - 29, // 262: lnrpc.Lightning.SubscribeTransactions:output_type -> lnrpc.Transaction - 45, // 263: lnrpc.Lightning.SendMany:output_type -> lnrpc.SendManyResponse - 51, // 264: lnrpc.Lightning.NewAddress:output_type -> lnrpc.NewAddressResponse - 53, // 265: lnrpc.Lightning.SignMessage:output_type -> lnrpc.SignMessageResponse - 55, // 266: lnrpc.Lightning.VerifyMessage:output_type -> lnrpc.VerifyMessageResponse - 57, // 267: lnrpc.Lightning.ConnectPeer:output_type -> lnrpc.ConnectPeerResponse - 59, // 268: lnrpc.Lightning.DisconnectPeer:output_type -> lnrpc.DisconnectPeerResponse - 75, // 269: lnrpc.Lightning.ListPeers:output_type -> lnrpc.ListPeersResponse - 77, // 270: lnrpc.Lightning.SubscribePeerEvents:output_type -> lnrpc.PeerEvent - 79, // 271: lnrpc.Lightning.GetInfo:output_type -> lnrpc.GetInfoResponse - 81, // 272: lnrpc.Lightning.GetDebugInfo:output_type -> lnrpc.GetDebugInfoResponse - 83, // 273: lnrpc.Lightning.GetRecoveryInfo:output_type -> lnrpc.GetRecoveryInfoResponse - 110, // 274: lnrpc.Lightning.PendingChannels:output_type -> lnrpc.PendingChannelsResponse - 64, // 275: lnrpc.Lightning.ListChannels:output_type -> lnrpc.ListChannelsResponse - 112, // 276: lnrpc.Lightning.SubscribeChannelEvents:output_type -> lnrpc.ChannelEventUpdate - 71, // 277: lnrpc.Lightning.ClosedChannels:output_type -> lnrpc.ClosedChannelsResponse - 38, // 278: lnrpc.Lightning.OpenChannelSync:output_type -> lnrpc.ChannelPoint - 97, // 279: lnrpc.Lightning.OpenChannel:output_type -> lnrpc.OpenStatusUpdate - 95, // 280: lnrpc.Lightning.BatchOpenChannel:output_type -> lnrpc.BatchOpenChannelResponse - 107, // 281: lnrpc.Lightning.FundingStateStep:output_type -> lnrpc.FundingStateStepResp - 36, // 282: lnrpc.Lightning.ChannelAcceptor:output_type -> lnrpc.ChannelAcceptRequest - 89, // 283: lnrpc.Lightning.CloseChannel:output_type -> lnrpc.CloseStatusUpdate - 172, // 284: lnrpc.Lightning.AbandonChannel:output_type -> lnrpc.AbandonChannelResponse - 34, // 285: lnrpc.Lightning.SendPayment:output_type -> lnrpc.SendResponse - 34, // 286: lnrpc.Lightning.SendPaymentSync:output_type -> lnrpc.SendResponse - 34, // 287: lnrpc.Lightning.SendToRoute:output_type -> lnrpc.SendResponse - 34, // 288: lnrpc.Lightning.SendToRouteSync:output_type -> lnrpc.SendResponse - 158, // 289: lnrpc.Lightning.AddInvoice:output_type -> lnrpc.AddInvoiceResponse - 161, // 290: lnrpc.Lightning.ListInvoices:output_type -> lnrpc.ListInvoiceResponse - 155, // 291: lnrpc.Lightning.LookupInvoice:output_type -> lnrpc.Invoice - 155, // 292: lnrpc.Lightning.SubscribeInvoices:output_type -> lnrpc.Invoice - 176, // 293: lnrpc.Lightning.DecodePayReq:output_type -> lnrpc.PayReq - 166, // 294: lnrpc.Lightning.ListPayments:output_type -> lnrpc.ListPaymentsResponse - 169, // 295: lnrpc.Lightning.DeletePayment:output_type -> lnrpc.DeletePaymentResponse - 170, // 296: lnrpc.Lightning.DeleteAllPayments:output_type -> lnrpc.DeleteAllPaymentsResponse - 134, // 297: lnrpc.Lightning.DescribeGraph:output_type -> lnrpc.ChannelGraph - 136, // 298: lnrpc.Lightning.GetNodeMetrics:output_type -> lnrpc.NodeMetricsResponse - 132, // 299: lnrpc.Lightning.GetChanInfo:output_type -> lnrpc.ChannelEdge - 128, // 300: lnrpc.Lightning.GetNodeInfo:output_type -> lnrpc.NodeInfo - 122, // 301: lnrpc.Lightning.QueryRoutes:output_type -> lnrpc.QueryRoutesResponse - 140, // 302: lnrpc.Lightning.GetNetworkInfo:output_type -> lnrpc.NetworkInfo - 142, // 303: lnrpc.Lightning.StopDaemon:output_type -> lnrpc.StopResponse - 144, // 304: lnrpc.Lightning.SubscribeChannelGraph:output_type -> lnrpc.GraphTopologyUpdate - 174, // 305: lnrpc.Lightning.DebugLevel:output_type -> lnrpc.DebugLevelResponse - 180, // 306: lnrpc.Lightning.FeeReport:output_type -> lnrpc.FeeReportResponse - 184, // 307: lnrpc.Lightning.UpdateChannelPolicy:output_type -> lnrpc.PolicyUpdateResponse - 187, // 308: lnrpc.Lightning.ForwardingHistory:output_type -> lnrpc.ForwardingHistoryResponse - 189, // 309: lnrpc.Lightning.ExportChannelBackup:output_type -> lnrpc.ChannelBackup - 192, // 310: lnrpc.Lightning.ExportAllChannelBackups:output_type -> lnrpc.ChanBackupSnapshot - 197, // 311: lnrpc.Lightning.VerifyChanBackup:output_type -> lnrpc.VerifyChanBackupResponse - 195, // 312: lnrpc.Lightning.RestoreChannelBackups:output_type -> lnrpc.RestoreBackupResponse - 192, // 313: lnrpc.Lightning.SubscribeChannelBackups:output_type -> lnrpc.ChanBackupSnapshot - 200, // 314: lnrpc.Lightning.BakeMacaroon:output_type -> lnrpc.BakeMacaroonResponse - 202, // 315: lnrpc.Lightning.ListMacaroonIDs:output_type -> lnrpc.ListMacaroonIDsResponse - 204, // 316: lnrpc.Lightning.DeleteMacaroonID:output_type -> lnrpc.DeleteMacaroonIDResponse - 207, // 317: lnrpc.Lightning.ListPermissions:output_type -> lnrpc.ListPermissionsResponse - 213, // 318: lnrpc.Lightning.CheckMacaroonPermissions:output_type -> lnrpc.CheckMacPermResponse - 214, // 319: lnrpc.Lightning.RegisterRPCMiddleware:output_type -> lnrpc.RPCMiddlewareRequest - 26, // 320: lnrpc.Lightning.SendCustomMessage:output_type -> lnrpc.SendCustomMessageResponse - 24, // 321: lnrpc.Lightning.SubscribeCustomMessages:output_type -> lnrpc.CustomMessage - 67, // 322: lnrpc.Lightning.ListAliases:output_type -> lnrpc.ListAliasesResponse - 22, // 323: lnrpc.Lightning.LookupHtlcResolution:output_type -> lnrpc.LookupHtlcResolutionResponse - 256, // [256:324] is the sub-list for method output_type - 188, // [188:256] is the sub-list for method input_type - 188, // [188:188] is the sub-list for extension type_name - 188, // [188:188] is the sub-list for extension extendee - 0, // [0:188] is the sub-list for field type_name + 157, // 125: lnrpc.Invoice.htlcs:type_name -> lnrpc.InvoiceHTLC + 242, // 126: lnrpc.Invoice.features:type_name -> lnrpc.Invoice.FeaturesEntry + 243, // 127: lnrpc.Invoice.amp_invoice_state:type_name -> lnrpc.Invoice.AmpInvoiceStateEntry + 156, // 128: lnrpc.Invoice.blinded_path_config:type_name -> lnrpc.BlindedPathConfig + 8, // 129: lnrpc.InvoiceHTLC.state:type_name -> lnrpc.InvoiceHTLCState + 244, // 130: lnrpc.InvoiceHTLC.custom_records:type_name -> lnrpc.InvoiceHTLC.CustomRecordsEntry + 158, // 131: lnrpc.InvoiceHTLC.amp:type_name -> lnrpc.AMP + 155, // 132: lnrpc.ListInvoiceResponse.invoices:type_name -> lnrpc.Invoice + 18, // 133: lnrpc.Payment.status:type_name -> lnrpc.Payment.PaymentStatus + 165, // 134: lnrpc.Payment.htlcs:type_name -> lnrpc.HTLCAttempt + 9, // 135: lnrpc.Payment.failure_reason:type_name -> lnrpc.PaymentFailureReason + 19, // 136: lnrpc.HTLCAttempt.status:type_name -> lnrpc.HTLCAttempt.HTLCStatus + 126, // 137: lnrpc.HTLCAttempt.route:type_name -> lnrpc.Route + 209, // 138: lnrpc.HTLCAttempt.failure:type_name -> lnrpc.Failure + 164, // 139: lnrpc.ListPaymentsResponse.payments:type_name -> lnrpc.Payment + 38, // 140: lnrpc.AbandonChannelRequest.channel_point:type_name -> lnrpc.ChannelPoint + 150, // 141: lnrpc.PayReq.route_hints:type_name -> lnrpc.RouteHint + 245, // 142: lnrpc.PayReq.features:type_name -> lnrpc.PayReq.FeaturesEntry + 151, // 143: lnrpc.PayReq.blinded_paths:type_name -> lnrpc.BlindedPaymentPath + 180, // 144: lnrpc.FeeReportResponse.channel_fees:type_name -> lnrpc.ChannelFeeReport + 38, // 145: lnrpc.PolicyUpdateRequest.chan_point:type_name -> lnrpc.ChannelPoint + 182, // 146: lnrpc.PolicyUpdateRequest.inbound_fee:type_name -> lnrpc.InboundFee + 39, // 147: lnrpc.FailedUpdate.outpoint:type_name -> lnrpc.OutPoint + 11, // 148: lnrpc.FailedUpdate.reason:type_name -> lnrpc.UpdateFailure + 184, // 149: lnrpc.PolicyUpdateResponse.failed_updates:type_name -> lnrpc.FailedUpdate + 187, // 150: lnrpc.ForwardingHistoryResponse.forwarding_events:type_name -> lnrpc.ForwardingEvent + 38, // 151: lnrpc.ExportChannelBackupRequest.chan_point:type_name -> lnrpc.ChannelPoint + 38, // 152: lnrpc.ChannelBackup.chan_point:type_name -> lnrpc.ChannelPoint + 38, // 153: lnrpc.MultiChanBackup.chan_points:type_name -> lnrpc.ChannelPoint + 194, // 154: lnrpc.ChanBackupSnapshot.single_chan_backups:type_name -> lnrpc.ChannelBackups + 191, // 155: lnrpc.ChanBackupSnapshot.multi_chan_backup:type_name -> lnrpc.MultiChanBackup + 190, // 156: lnrpc.ChannelBackups.chan_backups:type_name -> lnrpc.ChannelBackup + 194, // 157: lnrpc.RestoreChanBackupRequest.chan_backups:type_name -> lnrpc.ChannelBackups + 199, // 158: lnrpc.BakeMacaroonRequest.permissions:type_name -> lnrpc.MacaroonPermission + 199, // 159: lnrpc.MacaroonPermissionList.permissions:type_name -> lnrpc.MacaroonPermission + 246, // 160: lnrpc.ListPermissionsResponse.method_permissions:type_name -> lnrpc.ListPermissionsResponse.MethodPermissionsEntry + 20, // 161: lnrpc.Failure.code:type_name -> lnrpc.Failure.FailureCode + 210, // 162: lnrpc.Failure.channel_update:type_name -> lnrpc.ChannelUpdate + 212, // 163: lnrpc.MacaroonId.ops:type_name -> lnrpc.Op + 199, // 164: lnrpc.CheckMacPermRequest.permissions:type_name -> lnrpc.MacaroonPermission + 216, // 165: lnrpc.RPCMiddlewareRequest.stream_auth:type_name -> lnrpc.StreamAuth + 217, // 166: lnrpc.RPCMiddlewareRequest.request:type_name -> lnrpc.RPCMessage + 217, // 167: lnrpc.RPCMiddlewareRequest.response:type_name -> lnrpc.RPCMessage + 219, // 168: lnrpc.RPCMiddlewareResponse.register:type_name -> lnrpc.MiddlewareRegistration + 220, // 169: lnrpc.RPCMiddlewareResponse.feedback:type_name -> lnrpc.InterceptFeedback + 178, // 170: lnrpc.Peer.FeaturesEntry.value:type_name -> lnrpc.Feature + 178, // 171: lnrpc.GetInfoResponse.FeaturesEntry.value:type_name -> lnrpc.Feature + 4, // 172: lnrpc.PendingChannelsResponse.PendingChannel.initiator:type_name -> lnrpc.Initiator + 3, // 173: lnrpc.PendingChannelsResponse.PendingChannel.commitment_type:type_name -> lnrpc.CommitmentType + 227, // 174: lnrpc.PendingChannelsResponse.PendingOpenChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 227, // 175: lnrpc.PendingChannelsResponse.WaitingCloseChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 230, // 176: lnrpc.PendingChannelsResponse.WaitingCloseChannel.commitments:type_name -> lnrpc.PendingChannelsResponse.Commitments + 227, // 177: lnrpc.PendingChannelsResponse.ClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 227, // 178: lnrpc.PendingChannelsResponse.ForceClosedChannel.channel:type_name -> lnrpc.PendingChannelsResponse.PendingChannel + 108, // 179: lnrpc.PendingChannelsResponse.ForceClosedChannel.pending_htlcs:type_name -> lnrpc.PendingHTLC + 15, // 180: lnrpc.PendingChannelsResponse.ForceClosedChannel.anchor:type_name -> lnrpc.PendingChannelsResponse.ForceClosedChannel.AnchorState + 113, // 181: lnrpc.WalletBalanceResponse.AccountBalanceEntry.value:type_name -> lnrpc.WalletAccountBalance + 178, // 182: lnrpc.LightningNode.FeaturesEntry.value:type_name -> lnrpc.Feature + 137, // 183: lnrpc.NodeMetricsResponse.BetweennessCentralityEntry.value:type_name -> lnrpc.FloatMetric + 178, // 184: lnrpc.NodeUpdate.FeaturesEntry.value:type_name -> lnrpc.Feature + 178, // 185: lnrpc.Invoice.FeaturesEntry.value:type_name -> lnrpc.Feature + 154, // 186: lnrpc.Invoice.AmpInvoiceStateEntry.value:type_name -> lnrpc.AMPInvoiceState + 178, // 187: lnrpc.PayReq.FeaturesEntry.value:type_name -> lnrpc.Feature + 206, // 188: lnrpc.ListPermissionsResponse.MethodPermissionsEntry.value:type_name -> lnrpc.MacaroonPermissionList + 114, // 189: lnrpc.Lightning.WalletBalance:input_type -> lnrpc.WalletBalanceRequest + 117, // 190: lnrpc.Lightning.ChannelBalance:input_type -> lnrpc.ChannelBalanceRequest + 30, // 191: lnrpc.Lightning.GetTransactions:input_type -> lnrpc.GetTransactionsRequest + 42, // 192: lnrpc.Lightning.EstimateFee:input_type -> lnrpc.EstimateFeeRequest + 46, // 193: lnrpc.Lightning.SendCoins:input_type -> lnrpc.SendCoinsRequest + 48, // 194: lnrpc.Lightning.ListUnspent:input_type -> lnrpc.ListUnspentRequest + 30, // 195: lnrpc.Lightning.SubscribeTransactions:input_type -> lnrpc.GetTransactionsRequest + 44, // 196: lnrpc.Lightning.SendMany:input_type -> lnrpc.SendManyRequest + 50, // 197: lnrpc.Lightning.NewAddress:input_type -> lnrpc.NewAddressRequest + 52, // 198: lnrpc.Lightning.SignMessage:input_type -> lnrpc.SignMessageRequest + 54, // 199: lnrpc.Lightning.VerifyMessage:input_type -> lnrpc.VerifyMessageRequest + 56, // 200: lnrpc.Lightning.ConnectPeer:input_type -> lnrpc.ConnectPeerRequest + 58, // 201: lnrpc.Lightning.DisconnectPeer:input_type -> lnrpc.DisconnectPeerRequest + 74, // 202: lnrpc.Lightning.ListPeers:input_type -> lnrpc.ListPeersRequest + 76, // 203: lnrpc.Lightning.SubscribePeerEvents:input_type -> lnrpc.PeerEventSubscription + 78, // 204: lnrpc.Lightning.GetInfo:input_type -> lnrpc.GetInfoRequest + 80, // 205: lnrpc.Lightning.GetDebugInfo:input_type -> lnrpc.GetDebugInfoRequest + 82, // 206: lnrpc.Lightning.GetRecoveryInfo:input_type -> lnrpc.GetRecoveryInfoRequest + 109, // 207: lnrpc.Lightning.PendingChannels:input_type -> lnrpc.PendingChannelsRequest + 63, // 208: lnrpc.Lightning.ListChannels:input_type -> lnrpc.ListChannelsRequest + 111, // 209: lnrpc.Lightning.SubscribeChannelEvents:input_type -> lnrpc.ChannelEventSubscription + 70, // 210: lnrpc.Lightning.ClosedChannels:input_type -> lnrpc.ClosedChannelsRequest + 96, // 211: lnrpc.Lightning.OpenChannelSync:input_type -> lnrpc.OpenChannelRequest + 96, // 212: lnrpc.Lightning.OpenChannel:input_type -> lnrpc.OpenChannelRequest + 93, // 213: lnrpc.Lightning.BatchOpenChannel:input_type -> lnrpc.BatchOpenChannelRequest + 106, // 214: lnrpc.Lightning.FundingStateStep:input_type -> lnrpc.FundingTransitionMsg + 37, // 215: lnrpc.Lightning.ChannelAcceptor:input_type -> lnrpc.ChannelAcceptResponse + 88, // 216: lnrpc.Lightning.CloseChannel:input_type -> lnrpc.CloseChannelRequest + 172, // 217: lnrpc.Lightning.AbandonChannel:input_type -> lnrpc.AbandonChannelRequest + 33, // 218: lnrpc.Lightning.SendPayment:input_type -> lnrpc.SendRequest + 33, // 219: lnrpc.Lightning.SendPaymentSync:input_type -> lnrpc.SendRequest + 35, // 220: lnrpc.Lightning.SendToRoute:input_type -> lnrpc.SendToRouteRequest + 35, // 221: lnrpc.Lightning.SendToRouteSync:input_type -> lnrpc.SendToRouteRequest + 155, // 222: lnrpc.Lightning.AddInvoice:input_type -> lnrpc.Invoice + 161, // 223: lnrpc.Lightning.ListInvoices:input_type -> lnrpc.ListInvoiceRequest + 160, // 224: lnrpc.Lightning.LookupInvoice:input_type -> lnrpc.PaymentHash + 163, // 225: lnrpc.Lightning.SubscribeInvoices:input_type -> lnrpc.InvoiceSubscription + 176, // 226: lnrpc.Lightning.DecodePayReq:input_type -> lnrpc.PayReqString + 166, // 227: lnrpc.Lightning.ListPayments:input_type -> lnrpc.ListPaymentsRequest + 168, // 228: lnrpc.Lightning.DeletePayment:input_type -> lnrpc.DeletePaymentRequest + 169, // 229: lnrpc.Lightning.DeleteAllPayments:input_type -> lnrpc.DeleteAllPaymentsRequest + 133, // 230: lnrpc.Lightning.DescribeGraph:input_type -> lnrpc.ChannelGraphRequest + 135, // 231: lnrpc.Lightning.GetNodeMetrics:input_type -> lnrpc.NodeMetricsRequest + 138, // 232: lnrpc.Lightning.GetChanInfo:input_type -> lnrpc.ChanInfoRequest + 127, // 233: lnrpc.Lightning.GetNodeInfo:input_type -> lnrpc.NodeInfoRequest + 119, // 234: lnrpc.Lightning.QueryRoutes:input_type -> lnrpc.QueryRoutesRequest + 139, // 235: lnrpc.Lightning.GetNetworkInfo:input_type -> lnrpc.NetworkInfoRequest + 141, // 236: lnrpc.Lightning.StopDaemon:input_type -> lnrpc.StopRequest + 143, // 237: lnrpc.Lightning.SubscribeChannelGraph:input_type -> lnrpc.GraphTopologySubscription + 174, // 238: lnrpc.Lightning.DebugLevel:input_type -> lnrpc.DebugLevelRequest + 179, // 239: lnrpc.Lightning.FeeReport:input_type -> lnrpc.FeeReportRequest + 183, // 240: lnrpc.Lightning.UpdateChannelPolicy:input_type -> lnrpc.PolicyUpdateRequest + 186, // 241: lnrpc.Lightning.ForwardingHistory:input_type -> lnrpc.ForwardingHistoryRequest + 189, // 242: lnrpc.Lightning.ExportChannelBackup:input_type -> lnrpc.ExportChannelBackupRequest + 192, // 243: lnrpc.Lightning.ExportAllChannelBackups:input_type -> lnrpc.ChanBackupExportRequest + 193, // 244: lnrpc.Lightning.VerifyChanBackup:input_type -> lnrpc.ChanBackupSnapshot + 195, // 245: lnrpc.Lightning.RestoreChannelBackups:input_type -> lnrpc.RestoreChanBackupRequest + 197, // 246: lnrpc.Lightning.SubscribeChannelBackups:input_type -> lnrpc.ChannelBackupSubscription + 200, // 247: lnrpc.Lightning.BakeMacaroon:input_type -> lnrpc.BakeMacaroonRequest + 202, // 248: lnrpc.Lightning.ListMacaroonIDs:input_type -> lnrpc.ListMacaroonIDsRequest + 204, // 249: lnrpc.Lightning.DeleteMacaroonID:input_type -> lnrpc.DeleteMacaroonIDRequest + 207, // 250: lnrpc.Lightning.ListPermissions:input_type -> lnrpc.ListPermissionsRequest + 213, // 251: lnrpc.Lightning.CheckMacaroonPermissions:input_type -> lnrpc.CheckMacPermRequest + 218, // 252: lnrpc.Lightning.RegisterRPCMiddleware:input_type -> lnrpc.RPCMiddlewareResponse + 25, // 253: lnrpc.Lightning.SendCustomMessage:input_type -> lnrpc.SendCustomMessageRequest + 23, // 254: lnrpc.Lightning.SubscribeCustomMessages:input_type -> lnrpc.SubscribeCustomMessagesRequest + 66, // 255: lnrpc.Lightning.ListAliases:input_type -> lnrpc.ListAliasesRequest + 21, // 256: lnrpc.Lightning.LookupHtlcResolution:input_type -> lnrpc.LookupHtlcResolutionRequest + 115, // 257: lnrpc.Lightning.WalletBalance:output_type -> lnrpc.WalletBalanceResponse + 118, // 258: lnrpc.Lightning.ChannelBalance:output_type -> lnrpc.ChannelBalanceResponse + 31, // 259: lnrpc.Lightning.GetTransactions:output_type -> lnrpc.TransactionDetails + 43, // 260: lnrpc.Lightning.EstimateFee:output_type -> lnrpc.EstimateFeeResponse + 47, // 261: lnrpc.Lightning.SendCoins:output_type -> lnrpc.SendCoinsResponse + 49, // 262: lnrpc.Lightning.ListUnspent:output_type -> lnrpc.ListUnspentResponse + 29, // 263: lnrpc.Lightning.SubscribeTransactions:output_type -> lnrpc.Transaction + 45, // 264: lnrpc.Lightning.SendMany:output_type -> lnrpc.SendManyResponse + 51, // 265: lnrpc.Lightning.NewAddress:output_type -> lnrpc.NewAddressResponse + 53, // 266: lnrpc.Lightning.SignMessage:output_type -> lnrpc.SignMessageResponse + 55, // 267: lnrpc.Lightning.VerifyMessage:output_type -> lnrpc.VerifyMessageResponse + 57, // 268: lnrpc.Lightning.ConnectPeer:output_type -> lnrpc.ConnectPeerResponse + 59, // 269: lnrpc.Lightning.DisconnectPeer:output_type -> lnrpc.DisconnectPeerResponse + 75, // 270: lnrpc.Lightning.ListPeers:output_type -> lnrpc.ListPeersResponse + 77, // 271: lnrpc.Lightning.SubscribePeerEvents:output_type -> lnrpc.PeerEvent + 79, // 272: lnrpc.Lightning.GetInfo:output_type -> lnrpc.GetInfoResponse + 81, // 273: lnrpc.Lightning.GetDebugInfo:output_type -> lnrpc.GetDebugInfoResponse + 83, // 274: lnrpc.Lightning.GetRecoveryInfo:output_type -> lnrpc.GetRecoveryInfoResponse + 110, // 275: lnrpc.Lightning.PendingChannels:output_type -> lnrpc.PendingChannelsResponse + 64, // 276: lnrpc.Lightning.ListChannels:output_type -> lnrpc.ListChannelsResponse + 112, // 277: lnrpc.Lightning.SubscribeChannelEvents:output_type -> lnrpc.ChannelEventUpdate + 71, // 278: lnrpc.Lightning.ClosedChannels:output_type -> lnrpc.ClosedChannelsResponse + 38, // 279: lnrpc.Lightning.OpenChannelSync:output_type -> lnrpc.ChannelPoint + 97, // 280: lnrpc.Lightning.OpenChannel:output_type -> lnrpc.OpenStatusUpdate + 95, // 281: lnrpc.Lightning.BatchOpenChannel:output_type -> lnrpc.BatchOpenChannelResponse + 107, // 282: lnrpc.Lightning.FundingStateStep:output_type -> lnrpc.FundingStateStepResp + 36, // 283: lnrpc.Lightning.ChannelAcceptor:output_type -> lnrpc.ChannelAcceptRequest + 89, // 284: lnrpc.Lightning.CloseChannel:output_type -> lnrpc.CloseStatusUpdate + 173, // 285: lnrpc.Lightning.AbandonChannel:output_type -> lnrpc.AbandonChannelResponse + 34, // 286: lnrpc.Lightning.SendPayment:output_type -> lnrpc.SendResponse + 34, // 287: lnrpc.Lightning.SendPaymentSync:output_type -> lnrpc.SendResponse + 34, // 288: lnrpc.Lightning.SendToRoute:output_type -> lnrpc.SendResponse + 34, // 289: lnrpc.Lightning.SendToRouteSync:output_type -> lnrpc.SendResponse + 159, // 290: lnrpc.Lightning.AddInvoice:output_type -> lnrpc.AddInvoiceResponse + 162, // 291: lnrpc.Lightning.ListInvoices:output_type -> lnrpc.ListInvoiceResponse + 155, // 292: lnrpc.Lightning.LookupInvoice:output_type -> lnrpc.Invoice + 155, // 293: lnrpc.Lightning.SubscribeInvoices:output_type -> lnrpc.Invoice + 177, // 294: lnrpc.Lightning.DecodePayReq:output_type -> lnrpc.PayReq + 167, // 295: lnrpc.Lightning.ListPayments:output_type -> lnrpc.ListPaymentsResponse + 170, // 296: lnrpc.Lightning.DeletePayment:output_type -> lnrpc.DeletePaymentResponse + 171, // 297: lnrpc.Lightning.DeleteAllPayments:output_type -> lnrpc.DeleteAllPaymentsResponse + 134, // 298: lnrpc.Lightning.DescribeGraph:output_type -> lnrpc.ChannelGraph + 136, // 299: lnrpc.Lightning.GetNodeMetrics:output_type -> lnrpc.NodeMetricsResponse + 132, // 300: lnrpc.Lightning.GetChanInfo:output_type -> lnrpc.ChannelEdge + 128, // 301: lnrpc.Lightning.GetNodeInfo:output_type -> lnrpc.NodeInfo + 122, // 302: lnrpc.Lightning.QueryRoutes:output_type -> lnrpc.QueryRoutesResponse + 140, // 303: lnrpc.Lightning.GetNetworkInfo:output_type -> lnrpc.NetworkInfo + 142, // 304: lnrpc.Lightning.StopDaemon:output_type -> lnrpc.StopResponse + 144, // 305: lnrpc.Lightning.SubscribeChannelGraph:output_type -> lnrpc.GraphTopologyUpdate + 175, // 306: lnrpc.Lightning.DebugLevel:output_type -> lnrpc.DebugLevelResponse + 181, // 307: lnrpc.Lightning.FeeReport:output_type -> lnrpc.FeeReportResponse + 185, // 308: lnrpc.Lightning.UpdateChannelPolicy:output_type -> lnrpc.PolicyUpdateResponse + 188, // 309: lnrpc.Lightning.ForwardingHistory:output_type -> lnrpc.ForwardingHistoryResponse + 190, // 310: lnrpc.Lightning.ExportChannelBackup:output_type -> lnrpc.ChannelBackup + 193, // 311: lnrpc.Lightning.ExportAllChannelBackups:output_type -> lnrpc.ChanBackupSnapshot + 198, // 312: lnrpc.Lightning.VerifyChanBackup:output_type -> lnrpc.VerifyChanBackupResponse + 196, // 313: lnrpc.Lightning.RestoreChannelBackups:output_type -> lnrpc.RestoreBackupResponse + 193, // 314: lnrpc.Lightning.SubscribeChannelBackups:output_type -> lnrpc.ChanBackupSnapshot + 201, // 315: lnrpc.Lightning.BakeMacaroon:output_type -> lnrpc.BakeMacaroonResponse + 203, // 316: lnrpc.Lightning.ListMacaroonIDs:output_type -> lnrpc.ListMacaroonIDsResponse + 205, // 317: lnrpc.Lightning.DeleteMacaroonID:output_type -> lnrpc.DeleteMacaroonIDResponse + 208, // 318: lnrpc.Lightning.ListPermissions:output_type -> lnrpc.ListPermissionsResponse + 214, // 319: lnrpc.Lightning.CheckMacaroonPermissions:output_type -> lnrpc.CheckMacPermResponse + 215, // 320: lnrpc.Lightning.RegisterRPCMiddleware:output_type -> lnrpc.RPCMiddlewareRequest + 26, // 321: lnrpc.Lightning.SendCustomMessage:output_type -> lnrpc.SendCustomMessageResponse + 24, // 322: lnrpc.Lightning.SubscribeCustomMessages:output_type -> lnrpc.CustomMessage + 67, // 323: lnrpc.Lightning.ListAliases:output_type -> lnrpc.ListAliasesResponse + 22, // 324: lnrpc.Lightning.LookupHtlcResolution:output_type -> lnrpc.LookupHtlcResolutionResponse + 257, // [257:325] is the sub-list for method output_type + 189, // [189:257] is the sub-list for method input_type + 189, // [189:189] is the sub-list for extension type_name + 189, // [189:189] is the sub-list for extension extendee + 0, // [0:189] is the sub-list for field type_name } func init() { file_lightning_proto_init() } @@ -23377,7 +23466,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[135].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*InvoiceHTLC); i { + switch v := v.(*BlindedPathConfig); i { case 0: return &v.state case 1: @@ -23389,7 +23478,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[136].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*AMP); i { + switch v := v.(*InvoiceHTLC); i { case 0: return &v.state case 1: @@ -23401,7 +23490,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[137].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*AddInvoiceResponse); i { + switch v := v.(*AMP); i { case 0: return &v.state case 1: @@ -23413,7 +23502,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[138].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*PaymentHash); i { + switch v := v.(*AddInvoiceResponse); i { case 0: return &v.state case 1: @@ -23425,7 +23514,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[139].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListInvoiceRequest); i { + switch v := v.(*PaymentHash); i { case 0: return &v.state case 1: @@ -23437,7 +23526,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[140].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListInvoiceResponse); i { + switch v := v.(*ListInvoiceRequest); i { case 0: return &v.state case 1: @@ -23449,7 +23538,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[141].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*InvoiceSubscription); i { + switch v := v.(*ListInvoiceResponse); i { case 0: return &v.state case 1: @@ -23461,7 +23550,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[142].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Payment); i { + switch v := v.(*InvoiceSubscription); i { case 0: return &v.state case 1: @@ -23473,7 +23562,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[143].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*HTLCAttempt); i { + switch v := v.(*Payment); i { case 0: return &v.state case 1: @@ -23485,7 +23574,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[144].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListPaymentsRequest); i { + switch v := v.(*HTLCAttempt); i { case 0: return &v.state case 1: @@ -23497,7 +23586,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[145].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListPaymentsResponse); i { + switch v := v.(*ListPaymentsRequest); i { case 0: return &v.state case 1: @@ -23509,7 +23598,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[146].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DeletePaymentRequest); i { + switch v := v.(*ListPaymentsResponse); i { case 0: return &v.state case 1: @@ -23521,7 +23610,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[147].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DeleteAllPaymentsRequest); i { + switch v := v.(*DeletePaymentRequest); i { case 0: return &v.state case 1: @@ -23533,7 +23622,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[148].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DeletePaymentResponse); i { + switch v := v.(*DeleteAllPaymentsRequest); i { case 0: return &v.state case 1: @@ -23545,7 +23634,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[149].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DeleteAllPaymentsResponse); i { + switch v := v.(*DeletePaymentResponse); i { case 0: return &v.state case 1: @@ -23557,7 +23646,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[150].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*AbandonChannelRequest); i { + switch v := v.(*DeleteAllPaymentsResponse); i { case 0: return &v.state case 1: @@ -23569,7 +23658,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[151].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*AbandonChannelResponse); i { + switch v := v.(*AbandonChannelRequest); i { case 0: return &v.state case 1: @@ -23581,7 +23670,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[152].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DebugLevelRequest); i { + switch v := v.(*AbandonChannelResponse); i { case 0: return &v.state case 1: @@ -23593,7 +23682,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[153].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DebugLevelResponse); i { + switch v := v.(*DebugLevelRequest); i { case 0: return &v.state case 1: @@ -23605,7 +23694,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[154].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*PayReqString); i { + switch v := v.(*DebugLevelResponse); i { case 0: return &v.state case 1: @@ -23617,7 +23706,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[155].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*PayReq); i { + switch v := v.(*PayReqString); i { case 0: return &v.state case 1: @@ -23629,7 +23718,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[156].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Feature); i { + switch v := v.(*PayReq); i { case 0: return &v.state case 1: @@ -23641,7 +23730,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[157].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*FeeReportRequest); i { + switch v := v.(*Feature); i { case 0: return &v.state case 1: @@ -23653,7 +23742,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[158].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ChannelFeeReport); i { + switch v := v.(*FeeReportRequest); i { case 0: return &v.state case 1: @@ -23665,7 +23754,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[159].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*FeeReportResponse); i { + switch v := v.(*ChannelFeeReport); i { case 0: return &v.state case 1: @@ -23677,7 +23766,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[160].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*InboundFee); i { + switch v := v.(*FeeReportResponse); i { case 0: return &v.state case 1: @@ -23689,7 +23778,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[161].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*PolicyUpdateRequest); i { + switch v := v.(*InboundFee); i { case 0: return &v.state case 1: @@ -23701,7 +23790,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[162].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*FailedUpdate); i { + switch v := v.(*PolicyUpdateRequest); i { case 0: return &v.state case 1: @@ -23713,7 +23802,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[163].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*PolicyUpdateResponse); i { + switch v := v.(*FailedUpdate); i { case 0: return &v.state case 1: @@ -23725,7 +23814,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[164].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ForwardingHistoryRequest); i { + switch v := v.(*PolicyUpdateResponse); i { case 0: return &v.state case 1: @@ -23737,7 +23826,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[165].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ForwardingEvent); i { + switch v := v.(*ForwardingHistoryRequest); i { case 0: return &v.state case 1: @@ -23749,7 +23838,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[166].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ForwardingHistoryResponse); i { + switch v := v.(*ForwardingEvent); i { case 0: return &v.state case 1: @@ -23761,7 +23850,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[167].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ExportChannelBackupRequest); i { + switch v := v.(*ForwardingHistoryResponse); i { case 0: return &v.state case 1: @@ -23773,7 +23862,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[168].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ChannelBackup); i { + switch v := v.(*ExportChannelBackupRequest); i { case 0: return &v.state case 1: @@ -23785,7 +23874,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[169].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*MultiChanBackup); i { + switch v := v.(*ChannelBackup); i { case 0: return &v.state case 1: @@ -23797,7 +23886,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[170].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ChanBackupExportRequest); i { + switch v := v.(*MultiChanBackup); i { case 0: return &v.state case 1: @@ -23809,7 +23898,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[171].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ChanBackupSnapshot); i { + switch v := v.(*ChanBackupExportRequest); i { case 0: return &v.state case 1: @@ -23821,7 +23910,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[172].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ChannelBackups); i { + switch v := v.(*ChanBackupSnapshot); i { case 0: return &v.state case 1: @@ -23833,7 +23922,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[173].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*RestoreChanBackupRequest); i { + switch v := v.(*ChannelBackups); i { case 0: return &v.state case 1: @@ -23845,7 +23934,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[174].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*RestoreBackupResponse); i { + switch v := v.(*RestoreChanBackupRequest); i { case 0: return &v.state case 1: @@ -23857,7 +23946,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[175].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ChannelBackupSubscription); i { + switch v := v.(*RestoreBackupResponse); i { case 0: return &v.state case 1: @@ -23869,7 +23958,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[176].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*VerifyChanBackupResponse); i { + switch v := v.(*ChannelBackupSubscription); i { case 0: return &v.state case 1: @@ -23881,7 +23970,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[177].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*MacaroonPermission); i { + switch v := v.(*VerifyChanBackupResponse); i { case 0: return &v.state case 1: @@ -23893,7 +23982,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[178].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*BakeMacaroonRequest); i { + switch v := v.(*MacaroonPermission); i { case 0: return &v.state case 1: @@ -23905,7 +23994,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[179].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*BakeMacaroonResponse); i { + switch v := v.(*BakeMacaroonRequest); i { case 0: return &v.state case 1: @@ -23917,7 +24006,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[180].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListMacaroonIDsRequest); i { + switch v := v.(*BakeMacaroonResponse); i { case 0: return &v.state case 1: @@ -23929,7 +24018,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[181].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListMacaroonIDsResponse); i { + switch v := v.(*ListMacaroonIDsRequest); i { case 0: return &v.state case 1: @@ -23941,7 +24030,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[182].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DeleteMacaroonIDRequest); i { + switch v := v.(*ListMacaroonIDsResponse); i { case 0: return &v.state case 1: @@ -23953,7 +24042,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[183].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*DeleteMacaroonIDResponse); i { + switch v := v.(*DeleteMacaroonIDRequest); i { case 0: return &v.state case 1: @@ -23965,7 +24054,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[184].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*MacaroonPermissionList); i { + switch v := v.(*DeleteMacaroonIDResponse); i { case 0: return &v.state case 1: @@ -23977,7 +24066,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[185].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListPermissionsRequest); i { + switch v := v.(*MacaroonPermissionList); i { case 0: return &v.state case 1: @@ -23989,7 +24078,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[186].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ListPermissionsResponse); i { + switch v := v.(*ListPermissionsRequest); i { case 0: return &v.state case 1: @@ -24001,7 +24090,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[187].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Failure); i { + switch v := v.(*ListPermissionsResponse); i { case 0: return &v.state case 1: @@ -24013,7 +24102,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[188].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ChannelUpdate); i { + switch v := v.(*Failure); i { case 0: return &v.state case 1: @@ -24025,7 +24114,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[189].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*MacaroonId); i { + switch v := v.(*ChannelUpdate); i { case 0: return &v.state case 1: @@ -24037,7 +24126,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[190].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Op); i { + switch v := v.(*MacaroonId); i { case 0: return &v.state case 1: @@ -24049,7 +24138,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[191].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*CheckMacPermRequest); i { + switch v := v.(*Op); i { case 0: return &v.state case 1: @@ -24061,7 +24150,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[192].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*CheckMacPermResponse); i { + switch v := v.(*CheckMacPermRequest); i { case 0: return &v.state case 1: @@ -24073,7 +24162,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[193].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*RPCMiddlewareRequest); i { + switch v := v.(*CheckMacPermResponse); i { case 0: return &v.state case 1: @@ -24085,7 +24174,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[194].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*StreamAuth); i { + switch v := v.(*RPCMiddlewareRequest); i { case 0: return &v.state case 1: @@ -24097,7 +24186,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[195].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*RPCMessage); i { + switch v := v.(*StreamAuth); i { case 0: return &v.state case 1: @@ -24109,7 +24198,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[196].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*RPCMiddlewareResponse); i { + switch v := v.(*RPCMessage); i { case 0: return &v.state case 1: @@ -24121,7 +24210,7 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[197].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*MiddlewareRegistration); i { + switch v := v.(*RPCMiddlewareResponse); i { case 0: return &v.state case 1: @@ -24133,6 +24222,18 @@ func file_lightning_proto_init() { } } file_lightning_proto_msgTypes[198].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*MiddlewareRegistration); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_lightning_proto_msgTypes[199].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*InterceptFeedback); i { case 0: return &v.state @@ -24144,7 +24245,7 @@ func file_lightning_proto_init() { return nil } } - file_lightning_proto_msgTypes[205].Exporter = func(v interface{}, i int) interface{} { + file_lightning_proto_msgTypes[206].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*PendingChannelsResponse_PendingChannel); i { case 0: return &v.state @@ -24156,7 +24257,7 @@ func file_lightning_proto_init() { return nil } } - file_lightning_proto_msgTypes[206].Exporter = func(v interface{}, i int) interface{} { + file_lightning_proto_msgTypes[207].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*PendingChannelsResponse_PendingOpenChannel); i { case 0: return &v.state @@ -24168,7 +24269,7 @@ func file_lightning_proto_init() { return nil } } - file_lightning_proto_msgTypes[207].Exporter = func(v interface{}, i int) interface{} { + file_lightning_proto_msgTypes[208].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*PendingChannelsResponse_WaitingCloseChannel); i { case 0: return &v.state @@ -24180,7 +24281,7 @@ func file_lightning_proto_init() { return nil } } - file_lightning_proto_msgTypes[208].Exporter = func(v interface{}, i int) interface{} { + file_lightning_proto_msgTypes[209].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*PendingChannelsResponse_Commitments); i { case 0: return &v.state @@ -24192,7 +24293,7 @@ func file_lightning_proto_init() { return nil } } - file_lightning_proto_msgTypes[209].Exporter = func(v interface{}, i int) interface{} { + file_lightning_proto_msgTypes[210].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*PendingChannelsResponse_ClosedChannel); i { case 0: return &v.state @@ -24204,7 +24305,7 @@ func file_lightning_proto_init() { return nil } } - file_lightning_proto_msgTypes[210].Exporter = func(v interface{}, i int) interface{} { + file_lightning_proto_msgTypes[211].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*PendingChannelsResponse_ForceClosedChannel); i { case 0: return &v.state @@ -24254,21 +24355,22 @@ func file_lightning_proto_init() { (*ChannelEventUpdate_PendingOpenChannel)(nil), (*ChannelEventUpdate_FullyResolvedChannel)(nil), } - file_lightning_proto_msgTypes[161].OneofWrappers = []interface{}{ + file_lightning_proto_msgTypes[135].OneofWrappers = []interface{}{} + file_lightning_proto_msgTypes[162].OneofWrappers = []interface{}{ (*PolicyUpdateRequest_Global)(nil), (*PolicyUpdateRequest_ChanPoint)(nil), } - file_lightning_proto_msgTypes[173].OneofWrappers = []interface{}{ + file_lightning_proto_msgTypes[174].OneofWrappers = []interface{}{ (*RestoreChanBackupRequest_ChanBackups)(nil), (*RestoreChanBackupRequest_MultiChanBackup)(nil), } - file_lightning_proto_msgTypes[193].OneofWrappers = []interface{}{ + file_lightning_proto_msgTypes[194].OneofWrappers = []interface{}{ (*RPCMiddlewareRequest_StreamAuth)(nil), (*RPCMiddlewareRequest_Request)(nil), (*RPCMiddlewareRequest_Response)(nil), (*RPCMiddlewareRequest_RegComplete)(nil), } - file_lightning_proto_msgTypes[196].OneofWrappers = []interface{}{ + file_lightning_proto_msgTypes[197].OneofWrappers = []interface{}{ (*RPCMiddlewareResponse_Register)(nil), (*RPCMiddlewareResponse_Feedback)(nil), } @@ -24278,7 +24380,7 @@ func file_lightning_proto_init() { GoPackagePath: reflect.TypeOf(x{}).PkgPath(), RawDescriptor: file_lightning_proto_rawDesc, NumEnums: 21, - NumMessages: 225, + NumMessages: 226, NumExtensions: 0, NumServices: 1, }, diff --git a/lnrpc/lightning.proto b/lnrpc/lightning.proto index 283ca5430a..acaf4e5f10 100644 --- a/lnrpc/lightning.proto +++ b/lnrpc/lightning.proto @@ -3843,7 +3843,30 @@ message Invoice { Signals that the invoice should include blinded paths to hide the true identity of the recipient. */ - bool blind = 29; + BlindedPathConfig blinded_path_config = 29; +} + +message BlindedPathConfig { + /* + The minimum number of real hops to include in a blinded path. This doesn't + include our node, so if the minimum is 1, then the path will contain at + minimum our node along with an introduction node hop. If it is zero then + the shortest path will use our node as an introduction node. + */ + optional uint32 min_num_real_hops = 1; + + /* + The number of hops to include in a blinded path. This doesn't include our + node, so if it is 1, then the path will contain our node along with an + introduction node or dummy node hop. If paths shorter than NumHops is + found, then they will be padded using dummy hops. + */ + optional uint32 num_hops = 2; + + /* + The maximum number of blinded paths to select and add to an invoice. + */ + optional uint32 max_num_paths = 3; } enum InvoiceHTLCState { diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index 017ea8b05f..58121c9a4c 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -3544,6 +3544,26 @@ } } }, + "lnrpcBlindedPathConfig": { + "type": "object", + "properties": { + "min_num_real_hops": { + "type": "integer", + "format": "int64", + "description": "The minimum number of real hops to include in a blinded path. This doesn't\ninclude our node, so if the minimum is 1, then the path will contain at\nminimum our node along with an introduction node hop. If it is zero then\nthe shortest path will use our node as an introduction node." + }, + "num_hops": { + "type": "integer", + "format": "int64", + "description": "The number of hops to include in a blinded path. This doesn't include our\nnode, so if it is 1, then the path will contain our node along with an\nintroduction node or dummy node hop. If paths shorter than NumHops is\nfound, then they will be padded using dummy hops." + }, + "max_num_paths": { + "type": "integer", + "format": "int64", + "description": "The maximum number of blinded paths to select and add to an invoice." + } + } + }, "lnrpcBlindedPaymentPath": { "type": "object", "properties": { @@ -5491,8 +5511,8 @@ "description": "Maps a 32-byte hex-encoded set ID to the sub-invoice AMP state for the\ngiven set ID. This field is always populated for AMP invoices, and can be\nused along side LookupInvoice to obtain the HTLC information related to a\ngiven sub-invoice.\nNote: Output only, don't specify for creating an invoice.", "title": "[EXPERIMENTAL]:" }, - "blind": { - "type": "boolean", + "blinded_path_config": { + "$ref": "#/definitions/lnrpcBlindedPathConfig", "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." } } diff --git a/rpcserver.go b/rpcserver.go index 99b38249e9..9ed94d2996 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5777,13 +5777,40 @@ func (r *rpcServer) sendPaymentSync( func (r *rpcServer) AddInvoice(ctx context.Context, invoice *lnrpc.Invoice) (*lnrpc.AddInvoiceResponse, error) { - defaultDelta := r.cfg.Bitcoin.TimeLockDelta + var ( + defaultDelta = r.cfg.Bitcoin.TimeLockDelta + blindCfg = invoice.BlindedPathConfig + blind = blindCfg != nil + ) + globalBlindCfg := r.server.cfg.Routing.BlindedPaths blindingRestrictions := &routing.BlindedPathRestrictions{ - MinDistanceFromIntroNode: r.server.cfg.Routing.BlindedPaths. - MinNumRealHops, - NumHops: r.server.cfg.Routing.BlindedPaths.NumHops, - MaxNumPaths: r.server.cfg.Routing.BlindedPaths.MaxNumPaths, + MinDistanceFromIntroNode: globalBlindCfg.MinNumRealHops, + NumHops: globalBlindCfg.NumHops, + MaxNumPaths: globalBlindCfg.MaxNumPaths, + } + + if blind { + if blindCfg.MinNumRealHops != nil { + blindingRestrictions.MinDistanceFromIntroNode = + uint8(*blindCfg.MinNumRealHops) + } + if blindCfg.NumHops != nil { + blindingRestrictions.NumHops = uint8(*blindCfg.NumHops) + } + if blindCfg.MaxNumPaths != nil { + blindingRestrictions.MaxNumPaths = + uint8(*blindCfg.MaxNumPaths) + } + } + + if blindingRestrictions.MinDistanceFromIntroNode > + blindingRestrictions.NumHops { + + return nil, fmt.Errorf("the minimum number of real " + + "hops in a blinded path must be smaller than " + + "or equal to the number of hops expected to " + + "be included in each path") } addInvoiceCfg := &invoicesrpc.AddInvoiceConfig{ @@ -5797,7 +5824,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, GenInvoiceFeatures: func() *lnwire.FeatureVector { v := r.server.featureMgr.Get(feature.SetInvoice) - if invoice.Blind { + if blind { // If an invoice includes blinded paths, then a // payment address is not required since we use // the PathID in the final hop's encrypted data @@ -5843,7 +5870,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, } var blindedPathCfg *invoicesrpc.BlindedPathConfig - if invoice.Blind { + if blind { bpConfig := r.server.cfg.Routing.BlindedPaths blindedPathCfg = &invoicesrpc.BlindedPathConfig{ @@ -5864,8 +5891,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, // capacities. MaxHTLCMsat: 0, }, - MinNumPathHops: r.server.cfg.Routing.BlindedPaths. - NumHops, + MinNumPathHops: blindingRestrictions.NumHops, } } From b490deefdf665f48b9be3802003539b73e98d8df Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 14:04:07 +0200 Subject: [PATCH 298/343] routing/blindedpath: dont error out unless all paths fail In this commit, we adjust BuildBlindedPaymentPaths to only error out completely if none of the paths it received from FindRoutes resulted in a usable blinded path. --- routing/blindedpath/blinded_path.go | 7 +-- routing/blindedpath/blinded_path_test.go | 69 ++++++++++++++++++++++++ 2 files changed, 73 insertions(+), 3 deletions(-) diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index 542882e9ff..11890dcc4e 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -141,10 +141,11 @@ func BuildBlindedPaymentPaths(cfg *BuildBlindedPathCfg) ( route) continue - } + } else if err != nil { + log.Errorf("Not using route (%s) as a blinded path: %v", + err) - if err != nil { - return nil, err + continue } paths = append(paths, path) diff --git a/routing/blindedpath/blinded_path_test.go b/routing/blindedpath/blinded_path_test.go index b63509de7d..51d028eafb 100644 --- a/routing/blindedpath/blinded_path_test.go +++ b/routing/blindedpath/blinded_path_test.go @@ -922,6 +922,75 @@ func TestBuildBlindedPathWithDummyHops(t *testing.T) { HtlcMinimumMsat: 1000, }, data.Constraints.UnwrapOrFail(t).Val) require.Equal(t, []byte{1, 2, 3}, data.PathID.UnwrapOrFail(t).Val) + + // Demonstrate that BuildBlindedPaymentPaths continues to use any + // functioning paths even if some routes cant be used to build a blinded + // path. We do this by forcing FetchChannelEdgesByID to error out for + // the first 2 calls. FindRoutes returns 3 routes and so by the end, we + // still get 1 valid path. + var errCount int + paths, err = BuildBlindedPaymentPaths(&BuildBlindedPathCfg{ + FindRoutes: func(_ lnwire.MilliSatoshi) ([]*route.Route, + error) { + + return []*route.Route{realRoute, realRoute, realRoute}, + nil + }, + FetchChannelEdgesByID: func(chanID uint64) ( + *models.ChannelEdgeInfo, *models.ChannelEdgePolicy, + *models.ChannelEdgePolicy, error) { + + // Force the call to error for the first 2 channels. + if errCount < 2 { + errCount++ + + return nil, nil, nil, + fmt.Errorf("edge not found") + } + + policy, ok := realPolicies[chanID] + if !ok { + return nil, nil, nil, + fmt.Errorf("edge not found") + } + + return nil, policy, nil, nil + }, + BestHeight: func() (uint32, error) { + return 1000, nil + }, + // In the spec example, all the policies get replaced with + // the same static values. + AddPolicyBuffer: func(_ *BlindedHopPolicy) ( + *BlindedHopPolicy, error) { + + return &BlindedHopPolicy{ + FeeRate: 500, + BaseFee: 100, + CLTVExpiryDelta: 144, + MinHTLCMsat: 1000, + MaxHTLCMsat: lnwire.MaxMilliSatoshi, + }, nil + }, + PathID: []byte{1, 2, 3}, + ValueMsat: 1000, + MinFinalCLTVExpiryDelta: 12, + BlocksUntilExpiry: 200, + + // By setting the minimum number of hops to 4, we force 2 dummy + // hops to be added to the real route. + MinNumHops: 4, + + DefaultDummyHopPolicy: &BlindedHopPolicy{ + CLTVExpiryDelta: 50, + FeeRate: 100, + BaseFee: 100, + MinHTLCMsat: 1000, + MaxHTLCMsat: lnwire.MaxMilliSatoshi, + }, + }) + require.NoError(t, err) + require.Len(t, paths, 1) } // TestSingleHopBlindedPath tests that blinded path construction is done From e4619afc08d3f8a4df24f3e4bf0b1d6366efa07d Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 14:27:11 +0200 Subject: [PATCH 299/343] multi: add node omission list for blinded paths --- cmd/lncli/cmd_invoice.go | 17 + lnrpc/invoicesrpc/invoices.swagger.json | 8 + lnrpc/lightning.pb.go | 2291 ++++++++++++----------- lnrpc/lightning.proto | 6 + lnrpc/lightning.swagger.json | 8 + routing/pathfind.go | 11 + routing/pathfind_test.go | 21 +- routing/router.go | 9 +- routing/router_test.go | 15 + rpcserver.go | 10 + 10 files changed, 1254 insertions(+), 1142 deletions(-) diff --git a/cmd/lncli/cmd_invoice.go b/cmd/lncli/cmd_invoice.go index ce3ede3718..8b7f045261 100644 --- a/cmd/lncli/cmd_invoice.go +++ b/cmd/lncli/cmd_invoice.go @@ -110,6 +110,12 @@ var addInvoiceCommand = cli.Command{ "to an invoice. This option will only be " + "used if `--blind` has also been set.", }, + cli.StringSliceFlag{ + Name: "blinded_path_omit_node", + Usage: "The pub key (in hex) of a node not to " + + "use on a blinded path. The flag may be " + + "specified multiple times.", + }, }, Action: actionDecorator(addInvoice), } @@ -221,6 +227,17 @@ func parseBlindedPathCfg(ctx *cli.Context) (*lnrpc.BlindedPathConfig, error) { blindCfg.MaxNumPaths = &maxPaths } + for _, pubKey := range ctx.StringSlice("blinded_path_omit_node") { + pubKeyBytes, err := hex.DecodeString(pubKey) + if err != nil { + return nil, err + } + + blindCfg.NodeOmissionList = append( + blindCfg.NodeOmissionList, pubKeyBytes, + ) + } + return &blindCfg, nil } diff --git a/lnrpc/invoicesrpc/invoices.swagger.json b/lnrpc/invoicesrpc/invoices.swagger.json index 5b8bdf7671..85c68f1982 100644 --- a/lnrpc/invoicesrpc/invoices.swagger.json +++ b/lnrpc/invoicesrpc/invoices.swagger.json @@ -412,6 +412,14 @@ "type": "integer", "format": "int64", "description": "The maximum number of blinded paths to select and add to an invoice." + }, + "node_omission_list": { + "type": "array", + "items": { + "type": "string", + "format": "byte" + }, + "description": "A list of node IDs of nodes that should not be used in any of our generated\nblinded paths." } } }, diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index e276699dce..345030b8bc 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -12798,6 +12798,9 @@ type BlindedPathConfig struct { NumHops *uint32 `protobuf:"varint,2,opt,name=num_hops,json=numHops,proto3,oneof" json:"num_hops,omitempty"` // The maximum number of blinded paths to select and add to an invoice. MaxNumPaths *uint32 `protobuf:"varint,3,opt,name=max_num_paths,json=maxNumPaths,proto3,oneof" json:"max_num_paths,omitempty"` + // A list of node IDs of nodes that should not be used in any of our generated + // blinded paths. + NodeOmissionList [][]byte `protobuf:"bytes,4,rep,name=node_omission_list,json=nodeOmissionList,proto3" json:"node_omission_list,omitempty"` } func (x *BlindedPathConfig) Reset() { @@ -12853,6 +12856,13 @@ func (x *BlindedPathConfig) GetMaxNumPaths() uint32 { return 0 } +func (x *BlindedPathConfig) GetNodeOmissionList() [][]byte { + if x != nil { + return x.NodeOmissionList + } + return nil +} + // Details of an HTLC that paid to an invoice type InvoiceHTLC struct { state protoimpl.MessageState @@ -20086,7 +20096,7 @@ var file_lightning_proto_rawDesc = []byte{ 0x12, 0x0b, 0x0a, 0x07, 0x53, 0x45, 0x54, 0x54, 0x4c, 0x45, 0x44, 0x10, 0x01, 0x12, 0x0c, 0x0a, 0x08, 0x43, 0x41, 0x4e, 0x43, 0x45, 0x4c, 0x45, 0x44, 0x10, 0x02, 0x12, 0x0c, 0x0a, 0x08, 0x41, 0x43, 0x43, 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a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index 58121c9a4c..ca909d3e1a 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -3561,6 +3561,14 @@ "type": "integer", "format": "int64", "description": "The maximum number of blinded paths to select and add to an invoice." + }, + "node_omission_list": { + "type": "array", + "items": { + "type": "string", + "format": "byte" + }, + "description": "A list of node IDs of nodes that should not be used in any of our generated\nblinded paths." } } }, diff --git a/routing/pathfind.go b/routing/pathfind.go index ba9d111c46..01325c2238 100644 --- a/routing/pathfind.go +++ b/routing/pathfind.go @@ -14,6 +14,7 @@ import ( "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/feature" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/lnutils" "github.com/lightningnetwork/lnd/lnwire" "github.com/lightningnetwork/lnd/record" @@ -1150,6 +1151,10 @@ type blindedPathRestrictions struct { // path. This doesn't include our node, so if the maximum is 1, then // the path will contain our node along with an introduction node hop. maxNumHops uint8 + + // nodeOmissionSet holds a set of node IDs of nodes that we should + // ignore during blinded path selection. + nodeOmissionSet fn.Set[route.Vertex] } // blindedHop holds the information about a hop we have selected for a blinded @@ -1253,6 +1258,12 @@ func processNodeForBlindedPath(g Graph, node route.Vertex, return nil, false, nil } + // If we have explicitly been told to ignore this node for blinded paths + // then we skip it too. + if restrictions.nodeOmissionSet.Contains(node) { + return nil, false, nil + } + supports, err := supportsRouteBlinding(node) if err != nil { return nil, false, err diff --git a/routing/pathfind_test.go b/routing/pathfind_test.go index 8fc50bb4f3..38942a31d2 100644 --- a/routing/pathfind_test.go +++ b/routing/pathfind_test.go @@ -3705,7 +3705,26 @@ func TestFindBlindedPaths(t *testing.T) { "charlie,eve,bob,dave", }) - // 4) Finally, we will test the special case where the destination node + // 4) Repeat the above test but instruct the function to never use + // charlie. + paths, err = ctx.findBlindedPaths(&blindedPathRestrictions{ + minNumHops: 2, + maxNumHops: 3, + nodeOmissionSet: fn.NewSet[route.Vertex]( + ctx.keyFromAlias("charlie"), + ), + }) + require.NoError(t, err) + + // We expect the following paths: + // - F, B, D + // - E, B, D + assertPaths(paths, []string{ + "frank,bob,dave", + "eve,bob,dave", + }) + + // 5) Finally, we will test the special case where the destination node // is also the recipient. paths, err = ctx.findBlindedPaths(&blindedPathRestrictions{ minNumHops: 0, diff --git a/routing/router.go b/routing/router.go index b5bca5d7cd..bad22195f9 100644 --- a/routing/router.go +++ b/routing/router.go @@ -664,6 +664,10 @@ type BlindedPathRestrictions struct { // MaxNumPaths is the maximum number of blinded paths to select. MaxNumPaths uint8 + + // NodeOmissionSet is a set of nodes that should not be used within any + // of the blinded paths that we generate. + NodeOmissionSet fn.Set[route.Vertex] } // FindBlindedPaths finds a selection of paths to the destination node that can @@ -676,8 +680,9 @@ func (r *ChannelRouter) FindBlindedPaths(destination route.Vertex, // path length restrictions. paths, err := findBlindedPaths( r.cfg.RoutingGraph, destination, &blindedPathRestrictions{ - minNumHops: restrictions.MinDistanceFromIntroNode, - maxNumHops: restrictions.NumHops, + minNumHops: restrictions.MinDistanceFromIntroNode, + maxNumHops: restrictions.NumHops, + nodeOmissionSet: restrictions.NodeOmissionSet, }, ) if err != nil { diff --git a/routing/router_test.go b/routing/router_test.go index fb02024d2a..af8c3df88f 100644 --- a/routing/router_test.go +++ b/routing/router_test.go @@ -3236,4 +3236,19 @@ func TestFindBlindedPathsWithMC(t *testing.T) { "alice,bob,dave", "alice,frank,dave", }) + + // Test that if the user explicitly indicates that we should ignore + // the Frank node during path selection, then this is done. + routes, err = ctx.router.FindBlindedPaths( + dave, 1000, probabilitySrc, &BlindedPathRestrictions{ + MinDistanceFromIntroNode: 2, + NumHops: 2, + MaxNumPaths: 3, + NodeOmissionSet: fn.NewSet(frank), + }, + ) + require.NoError(t, err) + assertPaths(routes, []string{ + "alice,bob,dave", + }) } diff --git a/rpcserver.go b/rpcserver.go index 9ed94d2996..c7806a1edc 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5788,6 +5788,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, MinDistanceFromIntroNode: globalBlindCfg.MinNumRealHops, NumHops: globalBlindCfg.NumHops, MaxNumPaths: globalBlindCfg.MaxNumPaths, + NodeOmissionSet: fn.NewSet[route.Vertex](), } if blind { @@ -5802,6 +5803,15 @@ func (r *rpcServer) AddInvoice(ctx context.Context, blindingRestrictions.MaxNumPaths = uint8(*blindCfg.MaxNumPaths) } + + for _, nodeIDBytes := range blindCfg.NodeOmissionList { + vertex, err := route.NewVertexFromBytes(nodeIDBytes) + if err != nil { + return nil, err + } + + blindingRestrictions.NodeOmissionSet.Add(vertex) + } } if blindingRestrictions.MinDistanceFromIntroNode > From 48a9a8d20ef848b43d87cfc4e847762fbe50ad38 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 6 Aug 2024 12:33:56 +0200 Subject: [PATCH 300/343] zpay32: add functional opt to error out on unknown feature bit This commit adds two functional options to the zpay32.Decode function. `WithKnownFeatureBits` allows the caller to overwrite the default set of known feature bits used by the function. `WithErrorOnUnknownFeatureBit` allows the caller to instruct the function to error out if the invoice that is decoded contaijns unknown feature bits. We then use this new error-out option from the `rpcServer`'s `extractPaymentIntent` method. --- rpcserver.go | 1 + zpay32/decode.go | 67 ++++++++++++++++++++++++++++++++++++++-- zpay32/invoice_test.go | 69 +++++++++++++++++++++++++++++++++++++++++- 3 files changed, 133 insertions(+), 4 deletions(-) diff --git a/rpcserver.go b/rpcserver.go index c7806a1edc..82633e770f 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5210,6 +5210,7 @@ func (r *rpcServer) extractPaymentIntent(rpcPayReq *rpcPaymentRequest) (rpcPayme if rpcPayReq.PaymentRequest != "" { payReq, err := zpay32.Decode( rpcPayReq.PaymentRequest, r.cfg.ActiveNetParams.Params, + zpay32.WithErrorOnUnknownFeatureBit(), ) if err != nil { return payIntent, err diff --git a/zpay32/decode.go b/zpay32/decode.go index 59bfccf001..05220c862b 100644 --- a/zpay32/decode.go +++ b/zpay32/decode.go @@ -17,10 +17,53 @@ import ( "github.com/lightningnetwork/lnd/lnwire" ) +// DecodeOption is a type that can be used to supply functional options to the +// Decode function. +type DecodeOption func(*decodeOptions) + +// WithKnownFeatureBits is a functional option that overwrites the set of +// known feature bits. If not set, then LND's lnwire.Features variable will be +// used by default. +func WithKnownFeatureBits(features map[lnwire.FeatureBit]string) DecodeOption { + return func(options *decodeOptions) { + options.knownFeatureBits = features + } +} + +// WithErrorOnUnknownFeatureBit is a functional option that will cause the +// Decode function to return an error if the decoded invoice contains an unknown +// feature bit. +func WithErrorOnUnknownFeatureBit() DecodeOption { + return func(options *decodeOptions) { + options.errorOnUnknownFeature = true + } +} + +// decodeOptions holds the set of Decode options. +type decodeOptions struct { + knownFeatureBits map[lnwire.FeatureBit]string + errorOnUnknownFeature bool +} + +// newDecodeOptions constructs the default decodeOptions struct. +func newDecodeOptions() *decodeOptions { + return &decodeOptions{ + knownFeatureBits: lnwire.Features, + errorOnUnknownFeature: false, + } +} + // Decode parses the provided encoded invoice and returns a decoded Invoice if // it is valid by BOLT-0011 and matches the provided active network. -func Decode(invoice string, net *chaincfg.Params) (*Invoice, error) { - decodedInvoice := Invoice{} +func Decode(invoice string, net *chaincfg.Params, opts ...DecodeOption) ( + *Invoice, error) { + + options := newDecodeOptions() + for _, o := range opts { + o(options) + } + + var decodedInvoice Invoice // Before bech32 decoding the invoice, make sure that it is not too large. // This is done as an anti-DoS measure since bech32 decoding is expensive. @@ -134,7 +177,7 @@ func Decode(invoice string, net *chaincfg.Params) (*Invoice, error) { // If no feature vector was decoded, populate an empty one. if decodedInvoice.Features == nil { decodedInvoice.Features = lnwire.NewFeatureVector( - nil, lnwire.Features, + nil, options.knownFeatureBits, ) } @@ -144,6 +187,24 @@ func Decode(invoice string, net *chaincfg.Params) (*Invoice, error) { return nil, err } + if options.errorOnUnknownFeature { + // Make sure that we understand all the required feature bits + // in the invoice. + unknownFeatureBits := decodedInvoice.Features. + UnknownRequiredFeatures() + + if len(unknownFeatureBits) > 0 { + errStr := fmt.Sprintf("invoice contains " + + "unknown feature bits:") + + for _, bit := range unknownFeatureBits { + errStr += fmt.Sprintf(" %d,", bit) + } + + return nil, fmt.Errorf(strings.TrimRight(errStr, ",")) + } + } + return &decodedInvoice, nil } diff --git a/zpay32/invoice_test.go b/zpay32/invoice_test.go index 006b4fb6d7..6a726daf37 100644 --- a/zpay32/invoice_test.go +++ b/zpay32/invoice_test.go @@ -191,6 +191,7 @@ func TestDecodeEncode(t *testing.T) { encodedInvoice string valid bool decodedInvoice func() *Invoice + decodeOpts []DecodeOption skipEncoding bool beforeEncoding func(*Invoice) }{ @@ -758,6 +759,70 @@ func TestDecodeEncode(t *testing.T) { i.Destination = nil }, }, + { + // Invoice with unknown feature bits but since the + // WithErrorOnUnknownFeatureBit option is not provided, + // it is not expected to error out. + encodedInvoice: "lnbc25m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq5vdhkven9v5sxyetpdeessp5zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zygs9q4psqqqqqqqqqqqqqqqpqsqq40wa3khl49yue3zsgm26jrepqr2eghqlx86rttutve3ugd05em86nsefzh4pfurpd9ek9w2vp95zxqnfe2u7ckudyahsa52q66tgzcp6t2dyk", + valid: true, + skipEncoding: true, + decodedInvoice: func() *Invoice { + return &Invoice{ + Net: &chaincfg.MainNetParams, + MilliSat: &testMillisat25mBTC, + Timestamp: time.Unix(1496314658, 0), + PaymentHash: &testPaymentHash, + PaymentAddr: &specPaymentAddr, + Description: &testCoffeeBeans, + Destination: testPubKey, + Features: lnwire.NewFeatureVector( + lnwire.NewRawFeatureVector( + 9, 15, 99, 100, + ), + lnwire.Features, + ), + } + }, + decodeOpts: []DecodeOption{ + WithKnownFeatureBits(map[lnwire.FeatureBit]string{ + 9: "9", + 15: "15", + 99: "99", + }), + }, + }, + { + // Invoice with unknown feature bits with option set to + // error out on unknown feature bit. + encodedInvoice: "lnbc25m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq5vdhkven9v5sxyetpdeessp5zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zyg3zygs9q4psqqqqqqqqqqqqqqqpqsqq40wa3khl49yue3zsgm26jrepqr2eghqlx86rttutve3ugd05em86nsefzh4pfurpd9ek9w2vp95zxqnfe2u7ckudyahsa52q66tgzcp6t2dyk", + valid: false, + skipEncoding: true, + decodedInvoice: func() *Invoice { + return &Invoice{ + Net: &chaincfg.MainNetParams, + MilliSat: &testMillisat25mBTC, + Timestamp: time.Unix(1496314658, 0), + PaymentHash: &testPaymentHash, + PaymentAddr: &specPaymentAddr, + Description: &testCoffeeBeans, + Destination: testPubKey, + Features: lnwire.NewFeatureVector( + lnwire.NewRawFeatureVector( + 9, 15, 99, 100, + ), + lnwire.Features, + ), + } + }, + decodeOpts: []DecodeOption{ + WithKnownFeatureBits(map[lnwire.FeatureBit]string{ + 9: "9", + 15: "15", + 99: "99", + }), + WithErrorOnUnknownFeatureBit(), + }, + }, } for i, test := range tests { @@ -773,7 +838,9 @@ func TestDecodeEncode(t *testing.T) { net = decodedInvoice.Net } - invoice, err := Decode(test.encodedInvoice, net) + invoice, err := Decode( + test.encodedInvoice, net, test.decodeOpts..., + ) if !test.valid { require.Error(t, err) } else { From 95477390a4332f7b2c2371407a98e87b5fce5055 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 6 Aug 2024 15:12:20 +0200 Subject: [PATCH 301/343] log: register blindedpath pkg logger --- log.go | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/log.go b/log.go index fd18d1c590..0601ff9f81 100644 --- a/log.go +++ b/log.go @@ -43,6 +43,7 @@ import ( "github.com/lightningnetwork/lnd/peer" "github.com/lightningnetwork/lnd/peernotifier" "github.com/lightningnetwork/lnd/routing" + "github.com/lightningnetwork/lnd/routing/blindedpath" "github.com/lightningnetwork/lnd/rpcperms" "github.com/lightningnetwork/lnd/signal" "github.com/lightningnetwork/lnd/sweep" @@ -183,6 +184,9 @@ func SetupLoggers(root *build.RotatingLogWriter, interceptor signal.Interceptor) AddSubLogger(root, peersrpc.Subsystem, interceptor, peersrpc.UseLogger) AddSubLogger(root, graph.Subsystem, interceptor, graph.UseLogger) AddSubLogger(root, lncfg.Subsystem, interceptor, lncfg.UseLogger) + AddSubLogger( + root, blindedpath.Subsystem, interceptor, blindedpath.UseLogger, + ) } // AddSubLogger is a helper method to conveniently create and register the From 697f514d09a5e32c9be878e284cd40b5c7833980 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Tue, 6 Aug 2024 15:12:53 +0200 Subject: [PATCH 302/343] blindedpath: log chosen blinded paths In this commit, we log selected blinded paths. --- itest/lnd_route_blinding_test.go | 4 --- routing/blindedpath/blinded_path.go | 41 ++++++++++++++++++++--------- 2 files changed, 28 insertions(+), 17 deletions(-) diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index f7c4acc2dd..08bb10a754 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1220,10 +1220,6 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { // Assert that it contains a single blinded path and that the // introduction node is Carol. payReq = dave.RPC.DecodePayReq(invoiceResp.PaymentRequest) - for _, path := range payReq.BlindedPaths { - ht.Logf("intro node: %x", path.BlindedPath.IntroductionNode) - } - require.Len(ht, payReq.BlindedPaths, 1) // The total number of hop payloads is 3: one for the introduction node diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index 11890dcc4e..8c2275f9d4 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -132,9 +132,14 @@ func BuildBlindedPaymentPaths(cfg *BuildBlindedPathCfg) ( // For each route returned, we will construct the associated blinded // payment path. for _, route := range routes { - path, err := buildBlindedPaymentPath( - cfg, extractCandidatePath(route), - ) + // Extract the information we need from the route. + candidatePath := extractCandidatePath(route) + + // Pad the given route with dummy hops until the minimum number + // of hops is met. + candidatePath.padWithDummyHops(cfg.MinNumHops) + + path, err := buildBlindedPaymentPath(cfg, candidatePath) if errors.Is(err, errInvalidBlindedPath) { log.Debugf("Not using route (%s) as a blinded path "+ "since it resulted in an invalid blinded path", @@ -148,6 +153,8 @@ func BuildBlindedPaymentPaths(cfg *BuildBlindedPathCfg) ( continue } + log.Debugf("Route selected for blinded path: %s", candidatePath) + paths = append(paths, path) } @@ -163,13 +170,6 @@ func BuildBlindedPaymentPaths(cfg *BuildBlindedPathCfg) ( func buildBlindedPaymentPath(cfg *BuildBlindedPathCfg, path *candidatePath) ( *zpay32.BlindedPaymentPath, error) { - // Pad the given route with dummy hops until the minimum number of hops - // is met. - err := path.padWithDummyHops(cfg.MinNumHops) - if err != nil { - return nil, err - } - hops, minHTLC, maxHTLC, err := collectRelayInfo(cfg, path) if err != nil { return nil, fmt.Errorf("could not collect blinded path relay "+ @@ -664,19 +664,34 @@ type candidatePath struct { hops []*blindedPathHop } +// String returns a string representation of the candidatePath which can be +// useful for logging and debugging. +func (c *candidatePath) String() string { + str := fmt.Sprintf("[%s (intro node)]", c.introNode) + + for _, hop := range c.hops { + if hop.isDummy { + str += "--->[dummy hop]" + continue + } + + str += fmt.Sprintf("--<%d>-->[%s]", hop.channelID, hop.pubKey) + } + + return str +} + // padWithDummyHops will append n dummy hops to the candidatePath hop set. The // pub key for the dummy hop will be the same as the pub key for the final hop // of the path. That way, the final hop will be able to decrypt the data // encrypted for each dummy hop. -func (c *candidatePath) padWithDummyHops(n uint8) error { +func (c *candidatePath) padWithDummyHops(n uint8) { for len(c.hops) < int(n) { c.hops = append(c.hops, &blindedPathHop{ pubKey: c.finalNodeID, isDummy: true, }) } - - return nil } // blindedPathHop holds the information we need to know about a hop in a route From d47ff3af79ded57eeeeb7c49e7def9c951bc2529 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Mon, 5 Aug 2024 14:39:44 +0200 Subject: [PATCH 303/343] docs: add release note --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index dad3e6cb0e..b991a23453 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -197,6 +197,10 @@ commitment when the channel was force closed. * Add the ability to [send to use multiple blinded payment paths](https://github.com/lightningnetwork/lnd/pull/8764) in an MP payment. +* [Improve route blinding invoice generation + UX](https://github.com/lightningnetwork/lnd/pull/8976) by making various + params configurable on a per-RPC basis. + ## Testing ## Database From f1a58dcab1a805df3785f0aaaf4993b5f44a183a Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Wed, 7 Aug 2024 20:13:34 +0200 Subject: [PATCH 304/343] lnwire: update Bolt11 blinded path feature bits so that they dont clash with the htlc-endorsement feature bits. --- lnwire/features.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lnwire/features.go b/lnwire/features.go index db07197e83..437a50dc21 100644 --- a/lnwire/features.go +++ b/lnwire/features.go @@ -266,12 +266,12 @@ const ( // Bolt11BlindedPathsRequired is a required feature bit that indicates // that the node is able to understand the blinded path tagged field in // a BOLT 11 invoice. - Bolt11BlindedPathsRequired = 260 + Bolt11BlindedPathsRequired = 262 // Bolt11BlindedPathsOptional is an optional feature bit that indicates // that the node is able to understand the blinded path tagged field in // a BOLT 11 invoice. - Bolt11BlindedPathsOptional = 261 + Bolt11BlindedPathsOptional = 263 // MaxBolt11Feature is the maximum feature bit value allowed in bolt 11 // invoices. From 9acad37f57ebdce4e15b4432a5f96a27c511667e Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Wed, 31 Jul 2024 18:03:57 -0700 Subject: [PATCH 305/343] peer: always send channel update on reconnect We have existing logic to attempt to reliably send a channel update to the remote peer. In the wild, we've seen this fail, as it's possible right when we send the update the peer disconnects. In this commit, we implement a simple fix which is just to send the chan update each time we connect to the remote party. Fixes https://github.com/lightningnetwork/lnd/issues/6870. --- docs/release-notes/release-notes-0.18.3.md | 4 ++ peer/brontide.go | 70 ++++++++++++++++++++++ peer/brontide_test.go | 45 ++++++++++++++ peer/test_utils.go | 14 ++++- 4 files changed, 131 insertions(+), 2 deletions(-) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index a1a3209c0b..e838363675 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -57,6 +57,9 @@ commitment when the channel was force closed. [here](https://github.com/lightningnetwork/lnd/issues/8146) for a summary of the issue. +* We'll now always send [channel updates to our remote peer for open + channels](https://github.com/lightningnetwork/lnd/pull/8963). + # New Features ## Functional Enhancements ## RPC Additions @@ -243,6 +246,7 @@ commitment when the channel was force closed. * Elle Mouton * Eugene Siegel * Matheus Degiovani +* Olaoluwa Osuntokun * Oliver Gugger * Slyghtning * Yong Yu diff --git a/peer/brontide.go b/peer/brontide.go index 5176959e23..920a1bcca8 100644 --- a/peer/brontide.go +++ b/peer/brontide.go @@ -787,7 +787,9 @@ func (p *Brontide) Start() error { // // TODO(wilmer): Remove this once we're able to query for node // announcements through their timestamps. + p.wg.Add(2) go p.maybeSendNodeAnn(activeChans) + go p.maybeSendChannelUpdates() return nil } @@ -1218,6 +1220,8 @@ func (p *Brontide) addLink(chanPoint *wire.OutPoint, // maybeSendNodeAnn sends our node announcement to the remote peer if at least // one confirmed public channel exists with them. func (p *Brontide) maybeSendNodeAnn(channels []*channeldb.OpenChannel) { + defer p.wg.Done() + hasConfirmedPublicChan := false for _, channel := range channels { if channel.IsPending { @@ -1245,6 +1249,72 @@ func (p *Brontide) maybeSendNodeAnn(channels []*channeldb.OpenChannel) { } } +// maybeSendChannelUpdates sends our channel updates to the remote peer if we +// have any active channels with them. +func (p *Brontide) maybeSendChannelUpdates() { + defer p.wg.Done() + + // If we don't have any active channels, then we can exit early. + if p.activeChannels.Len() == 0 { + return + } + + maybeSendUpd := func(cid lnwire.ChannelID, + lnChan *lnwallet.LightningChannel) error { + + // Nil channels are pending, so we'll skip them. + if lnChan == nil { + return nil + } + + dbChan := lnChan.State() + scid := func() lnwire.ShortChannelID { + switch { + // Otherwise if it's a zero conf channel and confirmed, + // then we need to use the "real" scid. + case dbChan.IsZeroConf() && dbChan.ZeroConfConfirmed(): + return dbChan.ZeroConfRealScid() + + // Otherwise, we can use the normal scid. + default: + return dbChan.ShortChanID() + } + }() + + // Now that we know the channel is in a good state, we'll try + // to fetch the update to send to the remote peer. If the + // channel is pending, and not a zero conf channel, we'll get + // an error here which we'll ignore. + chanUpd, err := p.cfg.FetchLastChanUpdate(scid) + if err != nil { + p.log.Debugf("Unable to fetch channel update for "+ + "ChannelPoint(%v), scid=%v: %v", + dbChan.FundingOutpoint, dbChan.ShortChanID, err) + + return nil + } + + p.log.Debugf("Sending channel update for ChannelPoint(%v), "+ + "scid=%v", dbChan.FundingOutpoint, dbChan.ShortChanID) + + // We'll send it as a normal message instead of using the lazy + // queue to prioritize transmission of the fresh update. + if err := p.SendMessage(false, chanUpd); err != nil { + err := fmt.Errorf("unable to send channel update for "+ + "ChannelPoint(%v), scid=%v: %w", + dbChan.FundingOutpoint, dbChan.ShortChanID(), + err) + p.log.Errorf(err.Error()) + + return err + } + + return nil + } + + p.activeChannels.ForEach(maybeSendUpd) +} + // WaitForDisconnect waits until the peer has disconnected. A peer may be // disconnected if the local or remote side terminates the connection, or an // irrecoverable protocol error has been encountered. This method will only diff --git a/peer/brontide_test.go b/peer/brontide_test.go index d2f3fc7bc0..c3d1bee48b 100644 --- a/peer/brontide_test.go +++ b/peer/brontide_test.go @@ -1100,6 +1100,51 @@ func TestUpdateNextRevocation(t *testing.T) { // `lnwallet.LightningWallet` once it's interfaced. } +func assertMsgSent(t *testing.T, conn *mockMessageConn, + msgType lnwire.MessageType) { + + t.Helper() + + require := require.New(t) + + rawMsg, err := fn.RecvOrTimeout(conn.writtenMessages, timeout) + require.NoError(err) + + msgReader := bytes.NewReader(rawMsg) + msg, err := lnwire.ReadMessage(msgReader, 0) + require.NoError(err) + + require.Equal(msgType, msg.MsgType()) +} + +// TestAlwaysSendChannelUpdate tests that each time we connect to the peer if +// an active channel, we always send the latest channel update. +func TestAlwaysSendChannelUpdate(t *testing.T) { + require := require.New(t) + + var channel *channeldb.OpenChannel + channelIntercept := func(a, b *channeldb.OpenChannel) { + channel = a + } + + harness, err := createTestPeerWithChannel(t, channelIntercept) + require.NoError(err, "unable to create test channels") + + // Avoid the need to mock the channel graph by marking the channel + // borked. Borked channels still get a reestablish message sent on + // reconnect, while skipping channel graph checks and link creation. + require.NoError(channel.MarkBorked()) + + // Start the peer, which'll trigger the normal init and start up logic. + startPeerDone := startPeer(t, harness.mockConn, harness.peer) + _, err = fn.RecvOrTimeout(startPeerDone, 2*timeout) + require.NoError(err) + + // Assert that we eventually send a channel update. + assertMsgSent(t, harness.mockConn, lnwire.MsgChannelReestablish) + assertMsgSent(t, harness.mockConn, lnwire.MsgChannelUpdate) +} + // TODO(yy): add test for `addActiveChannel` and `handleNewActiveChannel` once // we have interfaced `lnwallet.LightningChannel` and // `*contractcourt.ChainArbitrator`. diff --git a/peer/test_utils.go b/peer/test_utils.go index 8d1355b18f..e0ae29be8b 100644 --- a/peer/test_utils.go +++ b/peer/test_utils.go @@ -341,6 +341,7 @@ func createTestPeerWithChannel(t *testing.T, updateChan func(a, notifier: notifier, publishTx: publishTx, mockSwitch: mockSwitch, + mockConn: params.mockConn, }, nil } @@ -493,10 +494,14 @@ func (m *mockMessageConn) Flush() (int, error) { // the bytes sent into the mock's writtenMessages channel. func (m *mockMessageConn) WriteMessage(msg []byte) error { m.writeRaceDetectingCounter++ + + msgCopy := make([]byte, len(msg)) + copy(msgCopy, msg) + select { - case m.writtenMessages <- msg: + case m.writtenMessages <- msgCopy: case <-time.After(timeout): - m.t.Fatalf("timeout sending message: %v", msg) + m.t.Fatalf("timeout sending message: %v", msgCopy) } return nil @@ -713,6 +718,11 @@ func createTestPeer(t *testing.T) *peerTestCtx { return nil }, PongBuf: make([]byte, lnwire.MaxPongBytes), + FetchLastChanUpdate: func(chanID lnwire.ShortChannelID, + ) (*lnwire.ChannelUpdate, error) { + + return &lnwire.ChannelUpdate{}, nil + }, } alicePeer := NewBrontide(*cfg) From 7f96d10dd3b97f60f3cfdf6e1d9d45d105e16ce3 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Tue, 6 Aug 2024 16:39:26 -0700 Subject: [PATCH 306/343] lnrpc: add new min_relay_fee response to EstimateFee We also start using a pattern of making new messages for types/units instead of adding a suffix to a field. --- docs/release-notes/release-notes-0.18.3.md | 3 + lnrpc/walletrpc/walletkit.pb.go | 851 +++++++++++---------- lnrpc/walletrpc/walletkit.proto | 3 + lnrpc/walletrpc/walletkit.swagger.json | 5 + lnrpc/walletrpc/walletkit_server.go | 5 +- 5 files changed, 447 insertions(+), 420 deletions(-) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index a1a3209c0b..99632824e7 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -97,6 +97,9 @@ commitment when the channel was force closed. SendCoins(req) ``` +* The `EstimateFee` call on the `walletrpc` sub-server now [also returns the + current `min_relay_fee`](https://github.com/lightningnetwork/lnd/pull/8986). + ## lncli Additions * [Added](https://github.com/lightningnetwork/lnd/pull/8491) the `cltv_expiry` diff --git a/lnrpc/walletrpc/walletkit.pb.go b/lnrpc/walletrpc/walletkit.pb.go index bc01442e59..cf03fd221c 100644 --- a/lnrpc/walletrpc/walletkit.pb.go +++ b/lnrpc/walletrpc/walletkit.pb.go @@ -2738,6 +2738,8 @@ type EstimateFeeResponse struct { // The amount of satoshis per kw that should be used in order to reach the // confirmation target in the request. SatPerKw int64 `protobuf:"varint,1,opt,name=sat_per_kw,json=satPerKw,proto3" json:"sat_per_kw,omitempty"` + // The current minimum relay fee based on our chain backend in sat/kw. + MinRelayFeeSatPerKw int64 `protobuf:"varint,2,opt,name=min_relay_fee_sat_per_kw,json=minRelayFeeSatPerKw,proto3" json:"min_relay_fee_sat_per_kw,omitempty"` } func (x *EstimateFeeResponse) Reset() { @@ -2779,6 +2781,13 @@ func (x *EstimateFeeResponse) GetSatPerKw() int64 { return 0 } +func (x *EstimateFeeResponse) GetMinRelayFeeSatPerKw() int64 { + if x != nil { + return x.MinRelayFeeSatPerKw + } + return 0 +} + type PendingSweep struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -4635,433 +4644,437 @@ var file_walletrpc_walletkit_proto_rawDesc = []byte{ 0x05, 0x72, 0x61, 0x77, 0x54, 0x78, 0x22, 0x35, 0x0a, 0x12, 0x45, 0x73, 0x74, 0x69, 0x6d, 0x61, 0x74, 0x65, 0x46, 0x65, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1f, 0x0a, 0x0b, 0x63, 0x6f, 0x6e, 0x66, 0x5f, 0x74, 0x61, 0x72, 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b/lnrpc/walletrpc/walletkit.swagger.json @@ -1412,6 +1412,11 @@ "type": "string", "format": "int64", "description": "The amount of satoshis per kw that should be used in order to reach the\nconfirmation target in the request." + }, + "min_relay_fee_sat_per_kw": { + "type": "string", + "format": "int64", + "description": "The current minimum relay fee based on our chain backend in sat/kw." } } }, diff --git a/lnrpc/walletrpc/walletkit_server.go b/lnrpc/walletrpc/walletkit_server.go index 6ee5783ecd..e70a1a7712 100644 --- a/lnrpc/walletrpc/walletkit_server.go +++ b/lnrpc/walletrpc/walletkit_server.go @@ -849,8 +849,11 @@ func (w *WalletKit) EstimateFee(ctx context.Context, return nil, err } + relayFeePerKw := w.cfg.FeeEstimator.RelayFeePerKW() + return &EstimateFeeResponse{ - SatPerKw: int64(satPerKw), + SatPerKw: int64(satPerKw), + MinRelayFeeSatPerKw: int64(relayFeePerKw), }, nil } From eac54601fbafc5c228311e7d262afbefcbdd1da0 Mon Sep 17 00:00:00 2001 From: Oliver Gugger Date: Thu, 8 Aug 2024 09:24:49 +0200 Subject: [PATCH 307/343] cmd/lncli: add min relay fee to `lncli wallet estimatefeerate` This commit adds the new value that was added to the RPC response to the CLI output as well. --- cmd/lncli/walletrpc_active.go | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/cmd/lncli/walletrpc_active.go b/cmd/lncli/walletrpc_active.go index 30d6e56e72..5fd4830e28 100644 --- a/cmd/lncli/walletrpc_active.go +++ b/cmd/lncli/walletrpc_active.go @@ -164,13 +164,20 @@ func estimateFeeRate(ctx *cli.Context) error { rateKW := chainfee.SatPerKWeight(resp.SatPerKw) rateVB := rateKW.FeePerVByte() + relayFeeKW := chainfee.SatPerKWeight(resp.MinRelayFeeSatPerKw) + relayFeeVB := relayFeeKW.FeePerVByte() printJSON(struct { - SatPerKw int64 `json:"sat_per_kw"` - SatPerVByte int64 `json:"sat_per_vbyte"` + SatPerKw int64 `json:"sat_per_kw"` + SatPerVByte int64 `json:"sat_per_vbyte"` + MinRelayFeeSatPerKw int64 `json:"min_relay_fee_sat_per_kw"` + //nolint:lll + MinRelayFeeSatPerVByte int64 `json:"min_relay_fee_sat_per_vbyte"` }{ - SatPerKw: int64(rateKW), - SatPerVByte: int64(rateVB), + SatPerKw: int64(rateKW), + SatPerVByte: int64(rateVB), + MinRelayFeeSatPerKw: int64(relayFeeKW), + MinRelayFeeSatPerVByte: int64(relayFeeVB), }) return nil From 5e84ba92afe4cd13d1360fb76eb751ec328ee1b5 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 8 Aug 2024 14:18:07 +0200 Subject: [PATCH 308/343] multi: add IsBlinded to lnrpc.Invoice for nicer UX The BlindedPathConfig struct is nice for invoice creation but when we use the Invoice message for viewing an invoice, it would be nicer to see an "is_blinded" field. --- cmd/lncli/cmd_invoice.go | 1 + invoices/invoices.go | 9 + itest/lnd_route_blinding_test.go | 23 +- lnrpc/invoicesrpc/invoices.swagger.json | 6 +- lnrpc/invoicesrpc/utils.go | 1 + lnrpc/lightning.pb.go | 2337 ++++++++++++----------- lnrpc/lightning.proto | 9 +- lnrpc/lightning.swagger.json | 6 +- rpcserver.go | 9 +- 9 files changed, 1226 insertions(+), 1175 deletions(-) diff --git a/cmd/lncli/cmd_invoice.go b/cmd/lncli/cmd_invoice.go index 8b7f045261..a7ed2b8b2e 100644 --- a/cmd/lncli/cmd_invoice.go +++ b/cmd/lncli/cmd_invoice.go @@ -183,6 +183,7 @@ func addInvoice(ctx *cli.Context) error { CltvExpiry: ctx.Uint64("cltv_expiry_delta"), Private: ctx.Bool("private"), IsAmp: ctx.Bool("amp"), + IsBlinded: ctx.Bool("blind"), BlindedPathConfig: blindedPathCfg, } diff --git a/invoices/invoices.go b/invoices/invoices.go index 24447223d3..24118f1e5d 100644 --- a/invoices/invoices.go +++ b/invoices/invoices.go @@ -489,6 +489,15 @@ func (i *Invoice) IsAMP() bool { ) } +// IsBlinded returns true if the invoice contains blinded paths. +func (i *Invoice) IsBlinded() bool { + if i.Terms.Features == nil { + return false + } + + return i.Terms.Features.IsSet(lnwire.Bolt11BlindedPathsRequired) +} + // HtlcState defines the states an htlc paying to an invoice can be in. type HtlcState uint8 diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 08bb10a754..44d5879f99 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -382,6 +382,7 @@ func (b *blindedForwardTest) buildBlindedPath() *lnrpc.BlindedPaymentPath { RPreimage: b.preimage[:], Memo: "test", ValueMsat: 10_000_000, + IsBlinded: true, BlindedPathConfig: &lnrpc.BlindedPathConfig{ MinNumRealHops: &minNumRealHops, NumHops: &numHops, @@ -625,6 +626,7 @@ func testBlindedRouteInvoices(ht *lntest.HarnessTest) { invoice := testCase.dave.RPC.AddInvoice(&lnrpc.Invoice{ Memo: "test", ValueMsat: 10_000_000, + IsBlinded: true, BlindedPathConfig: &lnrpc.BlindedPathConfig{ MinNumRealHops: &minNumRealHops, NumHops: &numHops, @@ -643,6 +645,7 @@ func testBlindedRouteInvoices(ht *lntest.HarnessTest) { invoice = testCase.dave.RPC.AddInvoice(&lnrpc.Invoice{ Memo: "test", ValueMsat: 10_000_000, + IsBlinded: true, BlindedPathConfig: &lnrpc.BlindedPathConfig{ MinNumRealHops: &minNumRealHops, NumHops: &numHops, @@ -997,8 +1000,9 @@ func testMPPToSingleBlindedPath(ht *lntest.HarnessTest) { minNumRealHops uint32 = 1 ) invoice := &lnrpc.Invoice{ - Memo: "test", - Value: int64(paymentAmt), + Memo: "test", + Value: int64(paymentAmt), + IsBlinded: true, BlindedPathConfig: &lnrpc.BlindedPathConfig{ NumHops: &numHops, MinNumRealHops: &minNumRealHops, @@ -1167,8 +1171,9 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { numHops uint32 = 2 ) invoice := &lnrpc.Invoice{ - Memo: "test", - Value: int64(paymentAmt), + Memo: "test", + Value: int64(paymentAmt), + IsBlinded: true, BlindedPathConfig: &lnrpc.BlindedPathConfig{ MinNumRealHops: &minNumRealHops, NumHops: &numHops, @@ -1208,8 +1213,9 @@ func testBlindedRouteDummyHops(ht *lntest.HarnessTest) { // that one dummy hop should be added. minNumRealHops = 1 invoice = &lnrpc.Invoice{ - Memo: "test", - Value: int64(paymentAmt), + Memo: "test", + Value: int64(paymentAmt), + IsBlinded: true, BlindedPathConfig: &lnrpc.BlindedPathConfig{ MinNumRealHops: &minNumRealHops, NumHops: &numHops, @@ -1334,8 +1340,9 @@ func testMPPToMultipleBlindedPaths(ht *lntest.HarnessTest) { numHops uint32 = 1 ) invoice := &lnrpc.Invoice{ - Memo: "test", - Value: int64(paymentAmt), + Memo: "test", + Value: int64(paymentAmt), + IsBlinded: true, BlindedPathConfig: &lnrpc.BlindedPathConfig{ MinNumRealHops: &minNumRealHops, NumHops: &numHops, diff --git a/lnrpc/invoicesrpc/invoices.swagger.json b/lnrpc/invoicesrpc/invoices.swagger.json index 85c68f1982..43fdf2b87d 100644 --- a/lnrpc/invoicesrpc/invoices.swagger.json +++ b/lnrpc/invoicesrpc/invoices.swagger.json @@ -607,9 +607,13 @@ "description": "Maps a 32-byte hex-encoded set ID to the sub-invoice AMP state for the\ngiven set ID. This field is always populated for AMP invoices, and can be\nused along side LookupInvoice to obtain the HTLC information related to a\ngiven sub-invoice.\nNote: Output only, don't specify for creating an invoice.", "title": "[EXPERIMENTAL]:" }, + "is_blinded": { + "type": "boolean", + "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." + }, "blinded_path_config": { "$ref": "#/definitions/lnrpcBlindedPathConfig", - "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." + "description": "Config values to use when creating blinded paths for this invoice. These\ncan be used to override the defaults config values provided in by the\nglobal config. This field is only used if is_blinded is true." } } }, diff --git a/lnrpc/invoicesrpc/utils.go b/lnrpc/invoicesrpc/utils.go index 2d1507267b..ce02769fb4 100644 --- a/lnrpc/invoicesrpc/utils.go +++ b/lnrpc/invoicesrpc/utils.go @@ -176,6 +176,7 @@ func CreateRPCInvoice(invoice *invoices.Invoice, IsKeysend: invoice.IsKeysend(), PaymentAddr: invoice.Terms.PaymentAddr[:], IsAmp: invoice.IsAMP(), + IsBlinded: invoice.IsBlinded(), } rpcInvoice.AmpInvoiceState = make(map[string]*lnrpc.AMPInvoiceState) diff --git a/lnrpc/lightning.pb.go b/lnrpc/lightning.pb.go index 345030b8bc..285dbdce9c 100644 --- a/lnrpc/lightning.pb.go +++ b/lnrpc/lightning.pb.go @@ -12548,7 +12548,11 @@ type Invoice struct { AmpInvoiceState map[string]*AMPInvoiceState `protobuf:"bytes,28,rep,name=amp_invoice_state,json=ampInvoiceState,proto3" json:"amp_invoice_state,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` // Signals that the invoice should include blinded paths to hide the true // identity of the recipient. - BlindedPathConfig *BlindedPathConfig `protobuf:"bytes,29,opt,name=blinded_path_config,json=blindedPathConfig,proto3" json:"blinded_path_config,omitempty"` + IsBlinded bool `protobuf:"varint,29,opt,name=is_blinded,json=isBlinded,proto3" json:"is_blinded,omitempty"` + // Config values to use when creating blinded paths for this invoice. These + // can be used to override the defaults config values provided in by the + // global config. This field is only used if is_blinded is true. + BlindedPathConfig *BlindedPathConfig `protobuf:"bytes,30,opt,name=blinded_path_config,json=blindedPathConfig,proto3" json:"blinded_path_config,omitempty"` } func (x *Invoice) Reset() { @@ -12774,6 +12778,13 @@ func (x *Invoice) GetAmpInvoiceState() map[string]*AMPInvoiceState { return nil } +func (x *Invoice) GetIsBlinded() bool { + if x != nil { + return x.IsBlinded + } + return false +} + func (x *Invoice) GetBlindedPathConfig() *BlindedPathConfig { if x != nil { return x.BlindedPathConfig @@ -20015,7 +20026,7 @@ var file_lightning_proto_rawDesc = []byte{ 0x0a, 0x73, 0x65, 0x74, 0x74, 0x6c, 0x65, 0x54, 0x69, 0x6d, 0x65, 0x12, 0x22, 0x0a, 0x0d, 0x61, 0x6d, 0x74, 0x5f, 0x70, 0x61, 0x69, 0x64, 0x5f, 0x6d, 0x73, 0x61, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x03, 0x52, 0x0b, 0x61, 0x6d, 0x74, 0x50, 0x61, 0x69, 0x64, 0x4d, 0x73, 0x61, 0x74, 0x22, - 0x8d, 0x0a, 0x0a, 0x07, 0x49, 0x6e, 0x76, 0x6f, 0x69, 0x63, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x6d, + 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These + can be used to override the defaults config values provided in by the + global config. This field is only used if is_blinded is true. + */ + BlindedPathConfig blinded_path_config = 30; } message BlindedPathConfig { diff --git a/lnrpc/lightning.swagger.json b/lnrpc/lightning.swagger.json index ca909d3e1a..bcd9e438b0 100644 --- a/lnrpc/lightning.swagger.json +++ b/lnrpc/lightning.swagger.json @@ -5519,9 +5519,13 @@ "description": "Maps a 32-byte hex-encoded set ID to the sub-invoice AMP state for the\ngiven set ID. This field is always populated for AMP invoices, and can be\nused along side LookupInvoice to obtain the HTLC information related to a\ngiven sub-invoice.\nNote: Output only, don't specify for creating an invoice.", "title": "[EXPERIMENTAL]:" }, + "is_blinded": { + "type": "boolean", + "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." + }, "blinded_path_config": { "$ref": "#/definitions/lnrpcBlindedPathConfig", - "description": "Signals that the invoice should include blinded paths to hide the true\nidentity of the recipient." + "description": "Config values to use when creating blinded paths for this invoice. These\ncan be used to override the defaults config values provided in by the\nglobal config. This field is only used if is_blinded is true." } } }, diff --git a/rpcserver.go b/rpcserver.go index 82633e770f..7fef873266 100644 --- a/rpcserver.go +++ b/rpcserver.go @@ -5781,7 +5781,7 @@ func (r *rpcServer) AddInvoice(ctx context.Context, var ( defaultDelta = r.cfg.Bitcoin.TimeLockDelta blindCfg = invoice.BlindedPathConfig - blind = blindCfg != nil + blind = invoice.IsBlinded ) globalBlindCfg := r.server.cfg.Routing.BlindedPaths @@ -5792,7 +5792,12 @@ func (r *rpcServer) AddInvoice(ctx context.Context, NodeOmissionSet: fn.NewSet[route.Vertex](), } - if blind { + if blindCfg != nil && !blind { + return nil, fmt.Errorf("blinded path config provided but " + + "IsBlinded not set") + } + + if blind && blindCfg != nil { if blindCfg.MinNumRealHops != nil { blindingRestrictions.MinDistanceFromIntroNode = uint8(*blindCfg.MinNumRealHops) From ab28cde24067872fc3e9f54f5613b927f6f24422 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 8 Aug 2024 14:19:02 +0200 Subject: [PATCH 309/343] routing: correct initial finalPaddedSize This purely affects logging. This makes sure that the `padStat` finalPaddedSize field is initilised correctly with the given minSize. --- routing/blindedpath/blinded_path.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index 8c2275f9d4..19a6edcaa6 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -896,7 +896,7 @@ func padHopInfo(hopInfo []*hopData, prePad bool, minSize int) ( var ( paymentPath = make([]*sphinx.HopInfo, len(hopInfo)) - stats padStats + stats = padStats{finalPaddedSize: minSize} ) // Pre-pad each payload with zero byte padding (if it does not yet have From 7c2cf49d66898d5adeca16e29b514b2882f65a33 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Thu, 8 Aug 2024 14:43:11 -0700 Subject: [PATCH 310/343] build: bump to v0.18.3-beta.rc1 --- build/version.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/build/version.go b/build/version.go index 46c0a4c15b..e07fdd58a9 100644 --- a/build/version.go +++ b/build/version.go @@ -43,11 +43,11 @@ const ( AppMinor uint = 18 // AppPatch defines the application patch for this binary. - AppPatch uint = 00 + AppPatch uint = 3 // AppPreRelease MUST only contain characters from semanticAlphabet per // the semantic versioning spec. - AppPreRelease = "beta" + AppPreRelease = "beta.rc1" ) func init() { From 58fa379cc7f1ea53b7afb436538615fdd054e1d7 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 22 Aug 2024 11:20:18 +0200 Subject: [PATCH 311/343] itest: demonstrate UpdateAddHTLC reloading bug This commit adds a new route blinding itest that demonstrates that the reloading and re-forwarding of an UpdateAddHTLC message on restart currently is done incorrectly for a blinded path payment. This is due to the fact that the blinding point member is not currently set correctly. This is fixed in the next commit which will also change the test to assert that the behaviour is now correct. --- itest/list_on_test.go | 4 ++ itest/lnd_route_blinding_test.go | 72 ++++++++++++++++++++++++++++++++ 2 files changed, 76 insertions(+) diff --git a/itest/list_on_test.go b/itest/list_on_test.go index 8fa4352b23..82fcdd99b5 100644 --- a/itest/list_on_test.go +++ b/itest/list_on_test.go @@ -578,6 +578,10 @@ var allTestCases = []*lntest.TestCase{ Name: "update pending open channels", TestFunc: testUpdateOnPendingOpenChannels, }, + { + Name: "blinded payment htlc re-forward", + TestFunc: testBlindedPaymentHTLCReForward, + }, { Name: "query blinded route", TestFunc: testQueryBlindedRoutes, diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 44d5879f99..4e30ed5460 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1424,3 +1424,75 @@ func testMPPToMultipleBlindedPaths(ht *lntest.HarnessTest) { ht.AssertNumWaitingClose(hn, 0) } } + +// testBlindedPaymentHTLCReForward tests that an UpdateAddHTLC message is +// correctly persisted, reloaded and resent to the next peer on restart in the +// case where the sending peer does not get a chance to send the message before +// restarting. This test specifically tests that this is done correctly for +// a blinded path payment since this adds a new blinding point field to +// UpdateAddHTLC which we need to ensure gets included in the message on +// restart. +// +// NOTE: this first version of this test asserts that this fails. This is to +// demonstrate that a bug exists in the reloading and forwarding code. This will +// be fixed in a following commit. +func testBlindedPaymentHTLCReForward(ht *lntest.HarnessTest) { + // Setup a test case. + ctx, testCase := newBlindedForwardTest(ht) + defer testCase.cleanup() + + // Set up network with carol interceptor. + testCase.setupNetwork(ctx, true) + + // Let dave create invoice. + blindedPaymentPath := testCase.buildBlindedPath() + route := testCase.createRouteToBlinded(10_000_000, blindedPaymentPath) + + // Once our interceptor is set up, we can send the blinded payment. + hash := sha256.Sum256(testCase.preimage[:]) + sendReq := &routerrpc.SendToRouteRequest{ + PaymentHash: hash[:], + Route: route, + } + + // In a goroutine, we let Alice pay the invoice from dave. + // + // NOTE: for now, we assert that this attempt fails. Once the noted bug + // is fixed, this will be changed to a success assertion. + done := make(chan struct{}) + go func() { + defer close(done) + + htlcAttempt, err := testCase.ht.Alice.RPC.Router.SendToRouteV2( + ctx, sendReq, + ) + require.NoError(testCase.ht, err) + require.Equal( + testCase.ht, lnrpc.HTLCAttempt_FAILED, + htlcAttempt.Status, + ) + }() + + // Wait for the HTLC to be active on Alice and Bob's channels. + ht.AssertOutgoingHTLCActive(ht.Alice, testCase.channels[0], hash[:]) + ht.AssertOutgoingHTLCActive(ht.Bob, testCase.channels[1], hash[:]) + + // Intercept the forward on Carol's link. At this point, we know she + // has received the HTLC and so will persist this packet. + _, err := testCase.carolInterceptor.Recv() + require.NoError(ht, err) + + // Now, restart Carol. This time, don't require an interceptor. This + // means that Carol should load up any previously persisted + // UpdateAddHTLC messages and continue the processing of them. + ht.RestartNodeWithExtraArgs( + testCase.carol, []string{"--bitcoin.timelockdelta=18"}, + ) + + // Now, wait for the payment to complete. + select { + case <-done: + case <-time.After(defaultTimeout): + require.Fail(ht, "timeout waiting for sending payment") + } +} From fcbd1e14d36a12c950d6812f11a0d2ce135c3442 Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 22 Aug 2024 11:22:53 +0200 Subject: [PATCH 312/343] lnwallet+itest: fix PaymentDescriptor creation for blinded path htlc This commit fixes the instantiation of the BlindingPoint member of PaymentDescriptor during the conversion from persisted LogUpdates. Previously, the blinding point was not set correctly. The test from the previous commit is also updated to now assert that this behaviour is now correct. --- itest/lnd_route_blinding_test.go | 9 +-------- lnwallet/channel.go | 2 +- 2 files changed, 2 insertions(+), 9 deletions(-) diff --git a/itest/lnd_route_blinding_test.go b/itest/lnd_route_blinding_test.go index 4e30ed5460..a43f22a3a1 100644 --- a/itest/lnd_route_blinding_test.go +++ b/itest/lnd_route_blinding_test.go @@ -1432,10 +1432,6 @@ func testMPPToMultipleBlindedPaths(ht *lntest.HarnessTest) { // a blinded path payment since this adds a new blinding point field to // UpdateAddHTLC which we need to ensure gets included in the message on // restart. -// -// NOTE: this first version of this test asserts that this fails. This is to -// demonstrate that a bug exists in the reloading and forwarding code. This will -// be fixed in a following commit. func testBlindedPaymentHTLCReForward(ht *lntest.HarnessTest) { // Setup a test case. ctx, testCase := newBlindedForwardTest(ht) @@ -1456,9 +1452,6 @@ func testBlindedPaymentHTLCReForward(ht *lntest.HarnessTest) { } // In a goroutine, we let Alice pay the invoice from dave. - // - // NOTE: for now, we assert that this attempt fails. Once the noted bug - // is fixed, this will be changed to a success assertion. done := make(chan struct{}) go func() { defer close(done) @@ -1468,7 +1461,7 @@ func testBlindedPaymentHTLCReForward(ht *lntest.HarnessTest) { ) require.NoError(testCase.ht, err) require.Equal( - testCase.ht, lnrpc.HTLCAttempt_FAILED, + testCase.ht, lnrpc.HTLCAttempt_SUCCEEDED, htlcAttempt.Status, ) }() diff --git a/lnwallet/channel.go b/lnwallet/channel.go index 65ae01356b..e3a777caab 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -205,7 +205,7 @@ func PayDescsFromRemoteLogUpdates(chanID lnwire.ShortChannelID, height uint64, Height: height, Index: uint16(i), }, - BlindingPoint: pd.BlindingPoint, + BlindingPoint: wireMsg.BlindingPoint, } pd.OnionBlob = make([]byte, len(wireMsg.OnionBlob)) copy(pd.OnionBlob[:], wireMsg.OnionBlob[:]) From e99b09d38aae21444cc35488414d7817e2233d0f Mon Sep 17 00:00:00 2001 From: Elle Mouton Date: Thu, 22 Aug 2024 12:14:30 +0200 Subject: [PATCH 313/343] docs: update release notes --- docs/release-notes/release-notes-0.18.3.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 8ba9eefadf..f5225a2111 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -59,7 +59,11 @@ commitment when the channel was force closed. * We'll now always send [channel updates to our remote peer for open channels](https://github.com/lightningnetwork/lnd/pull/8963). - + +* [Fix a bug](https://github.com/lightningnetwork/lnd/pull/9023) that would + cause UpdateAddHTLC message with blinding point fields to not be re-forwarded + correctly on restart. + # New Features ## Functional Enhancements ## RPC Additions From 57221bd7604457f8cf3e8ed2a90539a5efdecac0 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Tue, 13 Aug 2024 19:25:04 -0700 Subject: [PATCH 314/343] discovery: fix bug that can lead to sending invalid chan_ann msgs Initially in lnd, we didn't store the extra TLV data that could be dangling off of gossip messages. This was fixed initially in lnd v0.5 with this PR: https://github.com/lightningnetwork/lnd/pull/1825. Within the PR, we incorrect set the `ExtraOpaqueData` (extra TLV blob) of the `ChannelAnnouncement` to the value stored in `edge`, which is actually our channel update. As 6-ish years ago we didn't yet have anything that used the TLV gossip fields, this went unnoticed. Fast forward to 2024, we shipped an experimental version of inbounbd fees. This starts to store additional data in the `ExtraOpaqueData` field, the TLV for the inbound fee. Initially, everything is valid when the first `ChannelAnnouncement` is sent, but as soon as a user attempts to set an inbound fee policy, we'd incorrectly swap in that new serialized TLV for the _channel announcement_: https://github.com/lightningnetwork/lnd/commit/841e24399c5e4b211c10f0282c7a1bff3ad8372e#diff-1eda595bbebe495bd74a6a0431c46b66cb4e8b53beb311067c010feac2665dcbR2560. Since we're just trying to generate a new `channel_update`, we don't also regenerate the signature for the `channel_announcement` message. As a result, we end up storing a `channel_announcement` with an invalid sig on disk, continuing to broadcast that to peers. --- discovery/gossiper.go | 2 +- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index bb0aa652c4..0dcd7a6c95 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -2232,7 +2232,7 @@ func (d *AuthenticatedGossiper) updateChannel(info *models.ChannelEdgeInfo, BitcoinKey1: info.BitcoinKey1Bytes, Features: lnwire.NewRawFeatureVector(), BitcoinKey2: info.BitcoinKey2Bytes, - ExtraOpaqueData: edge.ExtraOpaqueData, + ExtraOpaqueData: info.ExtraOpaqueData, } chanAnn.NodeSig1, err = lnwire.NewSigFromECDSARawSignature( info.AuthProof.NodeSig1Bytes, diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index f5225a2111..c7e982b7e2 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -64,6 +64,10 @@ commitment when the channel was force closed. cause UpdateAddHTLC message with blinding point fields to not be re-forwarded correctly on restart. +* [A bug has been fixed that could cause invalid channel + announcements](https://github.com/lightningnetwork/lnd/pull/9002) to be + generated if the inbound fee discount is used. + # New Features ## Functional Enhancements ## RPC Additions From b23e69c0b7d22001dff07347fc2013586fd7e84e Mon Sep 17 00:00:00 2001 From: ziggie Date: Thu, 8 Aug 2024 13:14:39 +0200 Subject: [PATCH 315/343] discovery: fix log line. if we use %x here we would get the hex representation of the String() method of the vertex, which is wrong. --- discovery/sync_manager.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/discovery/sync_manager.go b/discovery/sync_manager.go index 39098f70e0..d3a0172563 100644 --- a/discovery/sync_manager.go +++ b/discovery/sync_manager.go @@ -561,7 +561,7 @@ func (m *SyncManager) removeGossipSyncer(peer route.Vertex) { return } - log.Debugf("Replaced active GossipSyncer(%x) with GossipSyncer(%x)", + log.Debugf("Replaced active GossipSyncer(%v) with GossipSyncer(%x)", peer, newActiveSyncer.cfg.peerPub) } From 44413868c7de6eddb26f502d465650bc8e5ef87e Mon Sep 17 00:00:00 2001 From: ziggie Date: Wed, 14 Aug 2024 21:43:50 +0200 Subject: [PATCH 316/343] multi: fix time.Time initialization. ChanUpdate timestamps are now restircted so that they cannot be more than two weeks into the future. Moreover channels with both timestamps in the ReplyChannelRange msg either too far in the past or too far in the future are not queried. Moreover fix unitests. --- channeldb/graph.go | 29 +++++++++++-- channeldb/graph_test.go | 68 +++++++++++++++++------------- discovery/gossiper.go | 16 +++++++ discovery/syncer.go | 43 +++++++++++++++++-- discovery/syncer_test.go | 90 ++++++++++++++++++++++++++++++++++++++-- 5 files changed, 208 insertions(+), 38 deletions(-) diff --git a/channeldb/graph.go b/channeldb/graph.go index 4146721660..daa7a42306 100644 --- a/channeldb/graph.go +++ b/channeldb/graph.go @@ -2211,6 +2211,29 @@ type ChannelUpdateInfo struct { Node2UpdateTimestamp time.Time } +// NewChannelUpdateInfo is a constructor which makes sure we initialize the +// timestamps with zero seconds unix timestamp which equals +// `January 1, 1970, 00:00:00 UTC` in case the value is `time.Time{}`. +func NewChannelUpdateInfo(scid lnwire.ShortChannelID, node1Timestamp, + node2Timestamp time.Time) ChannelUpdateInfo { + + chanInfo := ChannelUpdateInfo{ + ShortChannelID: scid, + Node1UpdateTimestamp: node1Timestamp, + Node2UpdateTimestamp: node2Timestamp, + } + + if node1Timestamp.IsZero() { + chanInfo.Node1UpdateTimestamp = time.Unix(0, 0) + } + + if node2Timestamp.IsZero() { + chanInfo.Node2UpdateTimestamp = time.Unix(0, 0) + } + + return chanInfo +} + // BlockChannelRange represents a range of channels for a given block height. type BlockChannelRange struct { // Height is the height of the block all of the channels below were @@ -2284,9 +2307,9 @@ func (c *ChannelGraph) FilterChannelRange(startHeight, rawCid := byteOrder.Uint64(k) cid := lnwire.NewShortChanIDFromInt(rawCid) - chanInfo := ChannelUpdateInfo{ - ShortChannelID: cid, - } + chanInfo := NewChannelUpdateInfo( + cid, time.Time{}, time.Time{}, + ) if !withTimestamps { channelsPerBlock[cid.BlockHeight] = append( diff --git a/channeldb/graph_test.go b/channeldb/graph_test.go index 00e30d5b24..6380ed29cd 100644 --- a/channeldb/graph_test.go +++ b/channeldb/graph_test.go @@ -1980,9 +1980,9 @@ func TestFilterKnownChanIDs(t *testing.T) { t.Fatalf("unable to create channel edge: %v", err) } - chanIDs = append(chanIDs, ChannelUpdateInfo{ - ShortChannelID: chanID, - }) + chanIDs = append(chanIDs, NewChannelUpdateInfo( + chanID, time.Time{}, time.Time{}, + )) } const numZombies = 5 @@ -2024,20 +2024,28 @@ func TestFilterKnownChanIDs(t *testing.T) { // should get the same set back. { queryIDs: []ChannelUpdateInfo{ - {ShortChannelID: lnwire.ShortChannelID{ - BlockHeight: 99, - }}, - {ShortChannelID: lnwire.ShortChannelID{ - BlockHeight: 100, - }}, + { + ShortChannelID: lnwire.ShortChannelID{ + BlockHeight: 99, + }, + }, + { + ShortChannelID: lnwire.ShortChannelID{ + BlockHeight: 100, + }, + }, }, resp: []ChannelUpdateInfo{ - {ShortChannelID: lnwire.ShortChannelID{ - BlockHeight: 99, - }}, - {ShortChannelID: lnwire.ShortChannelID{ - BlockHeight: 100, - }}, + { + ShortChannelID: lnwire.ShortChannelID{ + BlockHeight: 99, + }, + }, + { + ShortChannelID: lnwire.ShortChannelID{ + BlockHeight: 100, + }, + }, }, }, @@ -2419,7 +2427,7 @@ func TestFilterChannelRange(t *testing.T) { ) ) - updateTimeSeed := int64(1) + updateTimeSeed := time.Now().Unix() maybeAddPolicy := func(chanID uint64, node *LightningNode, node2 bool) time.Time { @@ -2428,7 +2436,7 @@ func TestFilterChannelRange(t *testing.T) { chanFlags = lnwire.ChanUpdateDirection } - var updateTime time.Time + var updateTime = time.Unix(0, 0) if rand.Int31n(2) == 0 { updateTime = time.Unix(updateTimeSeed, 0) err = graph.UpdateEdgePolicy(&models.ChannelEdgePolicy{ @@ -2456,11 +2464,16 @@ func TestFilterChannelRange(t *testing.T) { ) require.NoError(t, graph.AddChannelEdge(&channel2)) + chanInfo1 := NewChannelUpdateInfo( + chanID1, time.Time{}, time.Time{}, + ) + chanInfo2 := NewChannelUpdateInfo( + chanID2, time.Time{}, time.Time{}, + ) channelRanges = append(channelRanges, BlockChannelRange{ Height: chanHeight, Channels: []ChannelUpdateInfo{ - {ShortChannelID: chanID1}, - {ShortChannelID: chanID2}, + chanInfo1, chanInfo2, }, }) @@ -2471,20 +2484,17 @@ func TestFilterChannelRange(t *testing.T) { time4 = maybeAddPolicy(channel2.ChannelID, node2, true) ) + chanInfo1 = NewChannelUpdateInfo( + chanID1, time1, time2, + ) + chanInfo2 = NewChannelUpdateInfo( + chanID2, time3, time4, + ) channelRangesWithTimestamps = append( channelRangesWithTimestamps, BlockChannelRange{ Height: chanHeight, Channels: []ChannelUpdateInfo{ - { - ShortChannelID: chanID1, - Node1UpdateTimestamp: time1, - Node2UpdateTimestamp: time2, - }, - { - ShortChannelID: chanID2, - Node1UpdateTimestamp: time3, - Node2UpdateTimestamp: time4, - }, + chanInfo1, chanInfo2, }, }, ) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 0dcd7a6c95..80fd576a23 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -2745,6 +2745,22 @@ func (d *AuthenticatedGossiper) handleChanUpdate(nMsg *networkMsg, return nil, true } + // Check that the ChanUpdate is not too far into the future, this could + // reveal some faulty implementation therefore we log an error. + if time.Until(timestamp) > graph.DefaultChannelPruneExpiry { + log.Errorf("Skewed timestamp (%v) for edge policy of "+ + "short_chan_id(%v), timestamp too far in the future: "+ + "peer=%v, msg=%s, is_remote=%v", timestamp.Unix(), + shortChanID, nMsg.peer, nMsg.msg.MsgType(), + nMsg.isRemote, + ) + + nMsg.err <- fmt.Errorf("skewed timestamp of edge policy, "+ + "timestamp too far in the future: %v", timestamp.Unix()) + + return nil, false + } + // Get the node pub key as far since we don't have it in the channel // update announcement message. We'll need this to properly verify the // message's signature. diff --git a/discovery/syncer.go b/discovery/syncer.go index b910151cb1..512c9f631f 100644 --- a/discovery/syncer.go +++ b/discovery/syncer.go @@ -12,6 +12,7 @@ import ( "github.com/btcsuite/btcd/chaincfg/chainhash" "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/lnpeer" "github.com/lightningnetwork/lnd/lnwire" "golang.org/x/time/rate" @@ -787,6 +788,16 @@ func isLegacyReplyChannelRange(query *lnwire.QueryChannelRange, // reply to the initial range query to discover new channels that it didn't // previously know of. func (g *GossipSyncer) processChanRangeReply(msg *lnwire.ReplyChannelRange) error { + // isStale returns whether the timestamp is too far into the past. + isStale := func(timestamp time.Time) bool { + return time.Since(timestamp) > graph.DefaultChannelPruneExpiry + } + + // isSkewed returns whether the timestamp is too far into the future. + isSkewed := func(timestamp time.Time) bool { + return time.Until(timestamp) > graph.DefaultChannelPruneExpiry + } + // If we're not communicating with a legacy node, we'll apply some // further constraints on their reply to ensure it satisfies our query. if !isLegacyReplyChannelRange(g.curQueryRangeMsg, msg) { @@ -838,9 +849,9 @@ func (g *GossipSyncer) processChanRangeReply(msg *lnwire.ReplyChannelRange) erro } for i, scid := range msg.ShortChanIDs { - info := channeldb.ChannelUpdateInfo{ - ShortChannelID: scid, - } + info := channeldb.NewChannelUpdateInfo( + scid, time.Time{}, time.Time{}, + ) if len(msg.Timestamps) != 0 { t1 := time.Unix(int64(msg.Timestamps[i].Timestamp1), 0) @@ -848,6 +859,32 @@ func (g *GossipSyncer) processChanRangeReply(msg *lnwire.ReplyChannelRange) erro t2 := time.Unix(int64(msg.Timestamps[i].Timestamp2), 0) info.Node2UpdateTimestamp = t2 + + // Sort out all channels with outdated or skewed + // timestamps. Both timestamps need to be out of + // boundaries for us to skip the channel and not query + // it later on. + switch { + case isStale(info.Node1UpdateTimestamp) && + isStale(info.Node2UpdateTimestamp): + + continue + + case isSkewed(info.Node1UpdateTimestamp) && + isSkewed(info.Node2UpdateTimestamp): + + continue + + case isStale(info.Node1UpdateTimestamp) && + isSkewed(info.Node2UpdateTimestamp): + + continue + + case isStale(info.Node2UpdateTimestamp) && + isSkewed(info.Node1UpdateTimestamp): + + continue + } } g.bufferedChanRangeReplies = append( diff --git a/discovery/syncer_test.go b/discovery/syncer_test.go index 7a649f466f..15e2442e15 100644 --- a/discovery/syncer_test.go +++ b/discovery/syncer_test.go @@ -1229,6 +1229,12 @@ func testGossipSyncerProcessChanRangeReply(t *testing.T, legacy bool) { query, err := syncer.genChanRangeQuery(true) require.NoError(t, err, "unable to generate channel range query") + currentTimestamp := time.Now().Unix() + // Timestamp more than 2 weeks in the past hence expired. + expiredTimestamp := time.Unix(0, 0).Unix() + // Timestamp three weeks in the future. + skewedTimestamp := time.Now().Add(time.Hour * 24 * 18).Unix() + // When interpreting block ranges, the first reply should start from // our requested first block, and the last should end at our requested // last block. @@ -1253,14 +1259,78 @@ func testGossipSyncerProcessChanRangeReply(t *testing.T, legacy bool) { }, { FirstBlockHeight: 12, - NumBlocks: query.NumBlocks - 12, - Complete: 1, + NumBlocks: 1, ShortChanIDs: []lnwire.ShortChannelID{ { BlockHeight: 12, }, }, }, + { + FirstBlockHeight: 13, + NumBlocks: query.NumBlocks - 13, + Complete: 1, + ShortChanIDs: []lnwire.ShortChannelID{ + { + BlockHeight: 13, + TxIndex: 1, + }, + { + BlockHeight: 13, + TxIndex: 2, + }, + { + BlockHeight: 13, + TxIndex: 3, + }, + { + BlockHeight: 13, + TxIndex: 4, + }, + { + BlockHeight: 13, + TxIndex: 5, + }, + { + BlockHeight: 13, + TxIndex: 6, + }, + }, + Timestamps: []lnwire.ChanUpdateTimestamps{ + { + // Both timestamps are valid. + Timestamp1: uint32(currentTimestamp), + Timestamp2: uint32(currentTimestamp), + }, + { + // One of the timestamps is valid. + Timestamp1: uint32(currentTimestamp), + Timestamp2: uint32(expiredTimestamp), + }, + { + // Both timestamps are expired. + Timestamp1: uint32(expiredTimestamp), + Timestamp2: uint32(expiredTimestamp), + }, + { + // Both timestamps are skewed. + Timestamp1: uint32(skewedTimestamp), + Timestamp2: uint32(skewedTimestamp), + }, + { + // One timestamp is skewed the other + // expired. + Timestamp1: uint32(expiredTimestamp), + Timestamp2: uint32(skewedTimestamp), + }, + { + // One timestamp is skewed the other + // expired. + Timestamp1: uint32(skewedTimestamp), + Timestamp2: uint32(expiredTimestamp), + }, + }, + }, } // Each reply query is the same as the original query in the legacy @@ -1274,6 +1344,9 @@ func testGossipSyncerProcessChanRangeReply(t *testing.T, legacy bool) { replies[2].FirstBlockHeight = query.FirstBlockHeight replies[2].NumBlocks = query.NumBlocks + + replies[3].FirstBlockHeight = query.FirstBlockHeight + replies[3].NumBlocks = query.NumBlocks } // We'll begin by sending the syncer a set of non-complete channel @@ -1284,6 +1357,9 @@ func testGossipSyncerProcessChanRangeReply(t *testing.T, legacy bool) { if err := syncer.processChanRangeReply(replies[1]); err != nil { t.Fatalf("unable to process reply: %v", err) } + if err := syncer.processChanRangeReply(replies[2]); err != nil { + t.Fatalf("unable to process reply: %v", err) + } // At this point, we should still be in our starting state as the query // hasn't finished. @@ -1301,6 +1377,14 @@ func testGossipSyncerProcessChanRangeReply(t *testing.T, legacy bool) { { BlockHeight: 12, }, + { + BlockHeight: 13, + TxIndex: 1, + }, + { + BlockHeight: 13, + TxIndex: 2, + }, } // As we're about to send the final response, we'll launch a goroutine @@ -1335,7 +1419,7 @@ func testGossipSyncerProcessChanRangeReply(t *testing.T, legacy bool) { // If we send the final message, then we should transition to // queryNewChannels as we've sent a non-empty set of new channels. - if err := syncer.processChanRangeReply(replies[2]); err != nil { + if err := syncer.processChanRangeReply(replies[3]); err != nil { t.Fatalf("unable to process reply: %v", err) } From d90601050868d68aa46ff15964e1c8fa9478fdb9 Mon Sep 17 00:00:00 2001 From: ziggie Date: Wed, 14 Aug 2024 22:02:57 +0200 Subject: [PATCH 317/343] discovery: add detailed comment. Describe why it is ok to resurrect zombie channels based on the timestamp of the `ReplyChannelRange` msg although its not verifiable data. --- channeldb/graph.go | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/channeldb/graph.go b/channeldb/graph.go index daa7a42306..464398b40f 100644 --- a/channeldb/graph.go +++ b/channeldb/graph.go @@ -2143,6 +2143,21 @@ func (c *ChannelGraph) FilterKnownChanIDs(chansInfo []ChannelUpdateInfo, zombieIndex, scid, ) + // TODO(ziggie): Make sure that for the strict + // pruning case we compare the pubkeys and + // whether the right timestamp is not older than + // the `ChannelPruneExpiry`. + // + // NOTE: The timestamp data has no verification + // attached to it in the `ReplyChannelRange` msg + // so we are trusting this data at this point. + // However it is not critical because we are + // just removing the channel from the db when + // the timestamps are more recent. During the + // querying of the gossip msg verification + // happens as usual. + // However we should start punishing peers when + // they don't provide us honest data ? isStillZombie := isZombieChan( info.Node1UpdateTimestamp, info.Node2UpdateTimestamp, From 4102e33670142a8a165af1203f45648c90dc72e8 Mon Sep 17 00:00:00 2001 From: ziggie Date: Thu, 15 Aug 2024 12:07:53 +0200 Subject: [PATCH 318/343] docs: update release-notes. --- docs/release-notes/release-notes-0.18.3.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index c7e982b7e2..8e00b70b19 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -67,6 +67,10 @@ commitment when the channel was force closed. * [A bug has been fixed that could cause invalid channel announcements](https://github.com/lightningnetwork/lnd/pull/9002) to be generated if the inbound fee discount is used. + +* [Fixed](https://github.com/lightningnetwork/lnd/pull/9011) a timestamp issue + in the `ReplyChannelRange` msg and introduced a check that ChanUpdates with a + timestamp too far into the future will be discarded. # New Features ## Functional Enhancements From 38c81516ec43888acf0d5dfc7f078e7fdd7c5b80 Mon Sep 17 00:00:00 2001 From: ziggie Date: Thu, 22 Aug 2024 17:45:45 +0200 Subject: [PATCH 319/343] blindedpath: remove blockexpiry check. Removes a check where we would NOT allow to create a blinded invoice with an expiry (invoice expiry in seconds considered as block time) lower than the min_final_ctlv_delta. --- routing/blindedpath/blinded_path.go | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index 19a6edcaa6..c03ae833cf 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -82,7 +82,16 @@ type BuildBlindedPathCfg struct { MinFinalCLTVExpiryDelta uint32 // BlocksUntilExpiry is the number of blocks that this blinded path - // should remain valid for. + // should remain valid for. This is a relative number of blocks. This + // number in addition with a potential minimum cltv delta for the last + // hop and some block padding will be the payment constraint which is + // part of the blinded hop info. Every htlc using the provided blinded + // hops cannot have a higher cltv delta otherwise it will get rejected + // by the forwarding nodes or the final node. + // + // This number should at least be greater than the invoice expiry time + // so that the blinded route is always valid as long as the invoice is + // valid. BlocksUntilExpiry uint32 // MinNumHops is the minimum number of hops that each blinded path @@ -105,13 +114,6 @@ type BuildBlindedPathCfg struct { func BuildBlindedPaymentPaths(cfg *BuildBlindedPathCfg) ( []*zpay32.BlindedPaymentPath, error) { - if cfg.MinFinalCLTVExpiryDelta >= cfg.BlocksUntilExpiry { - return nil, fmt.Errorf("blinded path CLTV expiry delta (%d) "+ - "must be greater than the minimum final CLTV expiry "+ - "delta (%d)", cfg.BlocksUntilExpiry, - cfg.MinFinalCLTVExpiryDelta) - } - // Find some appropriate routes for the value to be routed. This will // return a set of routes made up of real nodes. routes, err := cfg.FindRoutes(cfg.ValueMsat) From 89ef3737b1d78104df25dfefff5157f6d154d08c Mon Sep 17 00:00:00 2001 From: ziggie Date: Thu, 22 Aug 2024 17:48:27 +0200 Subject: [PATCH 320/343] blindedpath: fix log output. --- routing/blindedpath/blinded_path.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index c03ae833cf..e47114bafc 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -150,7 +150,7 @@ func BuildBlindedPaymentPaths(cfg *BuildBlindedPathCfg) ( continue } else if err != nil { log.Errorf("Not using route (%s) as a blinded path: %v", - err) + route, err) continue } From 59355b17a57e1b99103cbfa67f9f26a6abdc0c1e Mon Sep 17 00:00:00 2001 From: ziggie Date: Thu, 22 Aug 2024 17:49:16 +0200 Subject: [PATCH 321/343] blindedpath: minHTLC for blinded path change. We will not add a buffer to the chan policy for blinded paths in case the sender amount violates the minHTLC restriction in the first place. Moreover we disgard a route fast if the payment amount is smaller than the minHTLC along the route. --- routing/blindedpath/blinded_path.go | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/routing/blindedpath/blinded_path.go b/routing/blindedpath/blinded_path.go index e47114bafc..bc14daa40a 100644 --- a/routing/blindedpath/blinded_path.go +++ b/routing/blindedpath/blinded_path.go @@ -437,11 +437,27 @@ func collectRelayInfo(cfg *BuildBlindedPathCfg, path *candidatePath) ( } } - policy, err = cfg.AddPolicyBuffer(policy) + if policy.MinHTLCMsat > cfg.ValueMsat { + return nil, 0, 0, fmt.Errorf("%w: minHTLC of hop "+ + "policy larger than payment amt: sentAmt(%v), "+ + "minHTLC(%v)", errInvalidBlindedPath, + cfg.ValueMsat, policy.MinHTLCMsat) + } + + bufferPolicy, err := cfg.AddPolicyBuffer(policy) if err != nil { return nil, 0, 0, err } + // We only use the new buffered policy if the new minHTLC value + // does not violate the sender amount. + // + // NOTE: We don't check this for maxHTLC, because the payment + // amount can always be splitted using MPP. + if bufferPolicy.MinHTLCMsat <= cfg.ValueMsat { + policy = bufferPolicy + } + // If this is the first policy we are collecting, then use this // policy to set the base values for min/max htlc. if len(hops) == 0 { From 72929079c9db80ab49821ec000a49aacc04305f6 Mon Sep 17 00:00:00 2001 From: ziggie Date: Thu, 22 Aug 2024 17:53:38 +0200 Subject: [PATCH 322/343] docs: add release-notes. --- docs/release-notes/release-notes-0.18.3.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 8e00b70b19..70e46088d5 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -72,6 +72,11 @@ commitment when the channel was force closed. in the `ReplyChannelRange` msg and introduced a check that ChanUpdates with a timestamp too far into the future will be discarded. +* [Fixed](https://github.com/lightningnetwork/lnd/pull/9026) a bug where we +would create a blinded route with a minHTLC greater than the actual payment +amount. Moreover remove strict correlation between min_cltv_delta and the +blinded path expiry. + # New Features ## Functional Enhancements ## RPC Additions From 4558eb04d0304ab14ad8a23248fb501e10679c9f Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Wed, 14 Aug 2024 13:56:31 -0400 Subject: [PATCH 323/343] channeldb: add PutClosedScid and IsClosedScid This commit adds the ability to store closed channels by scid in the database. This will allow the gossiper to ignore channel announcements for closed channels without having to do any expensive validation. --- channeldb/error.go | 4 +++ channeldb/graph.go | 56 +++++++++++++++++++++++++++++++++++++++++ channeldb/graph_test.go | 25 ++++++++++++++++++ 3 files changed, 85 insertions(+) diff --git a/channeldb/error.go b/channeldb/error.go index 859af97464..629cd93c6f 100644 --- a/channeldb/error.go +++ b/channeldb/error.go @@ -43,6 +43,10 @@ var ( // created. ErrMetaNotFound = fmt.Errorf("unable to locate meta information") + // ErrClosedScidsNotFound is returned when the closed scid bucket + // hasn't been created. + ErrClosedScidsNotFound = fmt.Errorf("closed scid bucket doesn't exist") + // ErrGraphNotFound is returned when at least one of the components of // graph doesn't exist. ErrGraphNotFound = fmt.Errorf("graph bucket not initialized") diff --git a/channeldb/graph.go b/channeldb/graph.go index 464398b40f..86cbe9aa93 100644 --- a/channeldb/graph.go +++ b/channeldb/graph.go @@ -153,6 +153,14 @@ var ( // case we'll remove all entries from the prune log with a block height // that no longer exists. pruneLogBucket = []byte("prune-log") + + // closedScidBucket is a top-level bucket that stores scids for + // channels that we know to be closed. This is used so that we don't + // need to perform expensive validation checks if we receive a channel + // announcement for the channel again. + // + // maps: scid -> []byte{} + closedScidBucket = []byte("closed-scid") ) const ( @@ -318,6 +326,7 @@ var graphTopLevelBuckets = [][]byte{ nodeBucket, edgeBucket, graphMetaBucket, + closedScidBucket, } // Wipe completely deletes all saved state within all used buckets within the @@ -3884,6 +3893,53 @@ func (c *ChannelGraph) NumZombies() (uint64, error) { return numZombies, nil } +// PutClosedScid stores a SCID for a closed channel in the database. This is so +// that we can ignore channel announcements that we know to be closed without +// having to validate them and fetch a block. +func (c *ChannelGraph) PutClosedScid(scid lnwire.ShortChannelID) error { + return kvdb.Update(c.db, func(tx kvdb.RwTx) error { + closedScids, err := tx.CreateTopLevelBucket(closedScidBucket) + if err != nil { + return err + } + + var k [8]byte + byteOrder.PutUint64(k[:], scid.ToUint64()) + + return closedScids.Put(k[:], []byte{}) + }, func() {}) +} + +// IsClosedScid checks whether a channel identified by the passed in scid is +// closed. This helps avoid having to perform expensive validation checks. +// TODO: Add an LRU cache to cut down on disc reads. +func (c *ChannelGraph) IsClosedScid(scid lnwire.ShortChannelID) (bool, error) { + var isClosed bool + err := kvdb.View(c.db, func(tx kvdb.RTx) error { + closedScids := tx.ReadBucket(closedScidBucket) + if closedScids == nil { + return ErrClosedScidsNotFound + } + + var k [8]byte + byteOrder.PutUint64(k[:], scid.ToUint64()) + + if closedScids.Get(k[:]) != nil { + isClosed = true + return nil + } + + return nil + }, func() { + isClosed = false + }) + if err != nil { + return false, err + } + + return isClosed, nil +} + func putLightningNode(nodeBucket kvdb.RwBucket, aliasBucket kvdb.RwBucket, // nolint:dupl updateIndex kvdb.RwBucket, node *LightningNode) error { diff --git a/channeldb/graph_test.go b/channeldb/graph_test.go index 6380ed29cd..f45bc307b2 100644 --- a/channeldb/graph_test.go +++ b/channeldb/graph_test.go @@ -4037,3 +4037,28 @@ func TestGraphLoading(t *testing.T) { graphReloaded.graphCache.nodeFeatures, ) } + +// TestClosedScid tests that we can correctly insert a SCID into the index of +// closed short channel ids. +func TestClosedScid(t *testing.T) { + t.Parallel() + + graph, err := MakeTestGraph(t) + require.Nil(t, err) + + scid := lnwire.ShortChannelID{} + + // The scid should not exist in the closedScidBucket. + exists, err := graph.IsClosedScid(scid) + require.Nil(t, err) + require.False(t, exists) + + // After we call PutClosedScid, the call to IsClosedScid should return + // true. + err = graph.PutClosedScid(scid) + require.Nil(t, err) + + exists, err = graph.IsClosedScid(scid) + require.Nil(t, err) + require.True(t, exists) +} From b7c4a3cd18a4216fbf245b6171cb1e08ce5206bb Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Wed, 14 Aug 2024 13:59:28 -0400 Subject: [PATCH 324/343] discovery: add banman for channel announcements This commit introduces a ban manager that marks peers as banned if they send too many invalid channel announcements to us. Expired entries are purged after a certain period of time (currently 48 hours). --- discovery/ban.go | 252 ++++++++++++++++++++++++++++++++++++++++++ discovery/ban_test.go | 60 ++++++++++ 2 files changed, 312 insertions(+) create mode 100644 discovery/ban.go create mode 100644 discovery/ban_test.go diff --git a/discovery/ban.go b/discovery/ban.go new file mode 100644 index 0000000000..cd70d7c381 --- /dev/null +++ b/discovery/ban.go @@ -0,0 +1,252 @@ +package discovery + +import ( + "errors" + "sync" + "time" + + "github.com/btcsuite/btcd/btcec/v2" + "github.com/lightninglabs/neutrino/cache" + "github.com/lightninglabs/neutrino/cache/lru" + "github.com/lightningnetwork/lnd/channeldb" + "github.com/lightningnetwork/lnd/lnwire" +) + +const ( + // maxBannedPeers limits the maximum number of banned pubkeys that + // we'll store. + // TODO(eugene): tune. + maxBannedPeers = 10_000 + + // banThreshold is the point at which non-channel peers will be banned. + // TODO(eugene): tune. + banThreshold = 100 + + // banTime is the amount of time that the non-channel peer will be + // banned for. Channel announcements from channel peers will be dropped + // if it's not one of our channels. + // TODO(eugene): tune. + banTime = time.Hour * 48 + + // resetDelta is the time after a peer's last ban update that we'll + // reset its ban score. + // TODO(eugene): tune. + resetDelta = time.Hour * 48 + + // purgeInterval is how often we'll remove entries from the + // peerBanIndex and allow peers to be un-banned. This interval is also + // used to reset ban scores of peers that aren't banned. + purgeInterval = time.Minute * 10 +) + +var ErrPeerBanned = errors.New("peer has bypassed ban threshold - banning") + +// ClosedChannelTracker handles closed channels being gossiped to us. +type ClosedChannelTracker interface { + // GraphCloser is used to mark channels as closed and to check whether + // certain channels are closed. + GraphCloser + + // IsChannelPeer checks whether we have a channel with a peer. + IsChannelPeer(*btcec.PublicKey) (bool, error) +} + +// GraphCloser handles tracking closed channels by their scid. +type GraphCloser interface { + // PutClosedScid marks a channel as closed so that we won't validate + // channel announcements for it again. + PutClosedScid(lnwire.ShortChannelID) error + + // IsClosedScid checks if a short channel id is closed. + IsClosedScid(lnwire.ShortChannelID) (bool, error) +} + +// NodeInfoInquirier handles queries relating to specific nodes and channels +// they may have with us. +type NodeInfoInquirer interface { + // FetchOpenChannels returns the set of channels that we have with the + // peer identified by the passed-in public key. + FetchOpenChannels(*btcec.PublicKey) ([]*channeldb.OpenChannel, error) +} + +// ScidCloserMan helps the gossiper handle closed channels that are in the +// ChannelGraph. +type ScidCloserMan struct { + graph GraphCloser + channelDB NodeInfoInquirer +} + +// NewScidCloserMan creates a new ScidCloserMan. +func NewScidCloserMan(graph GraphCloser, + channelDB NodeInfoInquirer) *ScidCloserMan { + + return &ScidCloserMan{ + graph: graph, + channelDB: channelDB, + } +} + +// PutClosedScid marks scid as closed so the gossiper can ignore this channel +// in the future. +func (s *ScidCloserMan) PutClosedScid(scid lnwire.ShortChannelID) error { + return s.graph.PutClosedScid(scid) +} + +// IsClosedScid checks whether scid is closed so that the gossiper can ignore +// it. +func (s *ScidCloserMan) IsClosedScid(scid lnwire.ShortChannelID) (bool, + error) { + + return s.graph.IsClosedScid(scid) +} + +// IsChannelPeer checks whether we have a channel with the peer. +func (s *ScidCloserMan) IsChannelPeer(peerKey *btcec.PublicKey) (bool, error) { + chans, err := s.channelDB.FetchOpenChannels(peerKey) + if err != nil { + return false, err + } + + return len(chans) > 0, nil +} + +// A compile-time constraint to ensure ScidCloserMan implements +// ClosedChannelTracker. +var _ ClosedChannelTracker = (*ScidCloserMan)(nil) + +// cachedBanInfo is used to track a peer's ban score and if it is banned. +type cachedBanInfo struct { + score uint64 + lastUpdate time.Time +} + +// Size returns the "size" of an entry. +func (c *cachedBanInfo) Size() (uint64, error) { + return 1, nil +} + +// isBanned returns true if the ban score is greater than the ban threshold. +func (c *cachedBanInfo) isBanned() bool { + return c.score >= banThreshold +} + +// banman is responsible for banning peers that are misbehaving. The banman is +// in-memory and will be reset upon restart of LND. If a node's pubkey is in +// the peerBanIndex, it has a ban score. Ban scores start at 1 and are +// incremented by 1 for each instance of misbehavior. It uses an LRU cache to +// cut down on memory usage in case there are many banned peers and to protect +// against DoS. +type banman struct { + // peerBanIndex tracks our peers' ban scores and if they are banned and + // for how long. The ban score is incremented when our peer gives us + // gossip messages that are invalid. + peerBanIndex *lru.Cache[[33]byte, *cachedBanInfo] + + wg sync.WaitGroup + quit chan struct{} +} + +// newBanman creates a new banman with the default maxBannedPeers. +func newBanman() *banman { + return &banman{ + peerBanIndex: lru.NewCache[[33]byte, *cachedBanInfo]( + maxBannedPeers, + ), + quit: make(chan struct{}), + } +} + +// start kicks off the banman by calling purgeExpiredBans. +func (b *banman) start() { + b.wg.Add(1) + go b.purgeExpiredBans() +} + +// stop halts the banman. +func (b *banman) stop() { + close(b.quit) + b.wg.Wait() +} + +// purgeOldEntries removes ban entries if their ban has expired. +func (b *banman) purgeExpiredBans() { + defer b.wg.Done() + + purgeTicker := time.NewTicker(purgeInterval) + defer purgeTicker.Stop() + + for { + select { + case <-purgeTicker.C: + b.purgeBanEntries() + + case <-b.quit: + return + } + } +} + +// purgeBanEntries does two things: +// - removes peers from our ban list whose ban timer is up +// - removes peers whose ban scores have expired. +func (b *banman) purgeBanEntries() { + keysToRemove := make([][33]byte, 0) + + sweepEntries := func(pubkey [33]byte, banInfo *cachedBanInfo) bool { + if banInfo.isBanned() { + // If the peer is banned, check if the ban timer has + // expired. + if banInfo.lastUpdate.Add(banTime).Before(time.Now()) { + keysToRemove = append(keysToRemove, pubkey) + } + + return true + } + + if banInfo.lastUpdate.Add(resetDelta).Before(time.Now()) { + // Remove non-banned peers whose ban scores have + // expired. + keysToRemove = append(keysToRemove, pubkey) + } + + return true + } + + b.peerBanIndex.Range(sweepEntries) + + for _, key := range keysToRemove { + b.peerBanIndex.Delete(key) + } +} + +// isBanned checks whether the peer identified by the pubkey is banned. +func (b *banman) isBanned(pubkey [33]byte) bool { + banInfo, err := b.peerBanIndex.Get(pubkey) + switch { + case errors.Is(err, cache.ErrElementNotFound): + return false + + default: + return banInfo.isBanned() + } +} + +// incrementBanScore increments a peer's ban score. +func (b *banman) incrementBanScore(pubkey [33]byte) { + banInfo, err := b.peerBanIndex.Get(pubkey) + switch { + case errors.Is(err, cache.ErrElementNotFound): + cachedInfo := &cachedBanInfo{ + score: 1, + lastUpdate: time.Now(), + } + _, _ = b.peerBanIndex.Put(pubkey, cachedInfo) + default: + cachedInfo := &cachedBanInfo{ + score: banInfo.score + 1, + lastUpdate: time.Now(), + } + + _, _ = b.peerBanIndex.Put(pubkey, cachedInfo) + } +} diff --git a/discovery/ban_test.go b/discovery/ban_test.go new file mode 100644 index 0000000000..e4149028b2 --- /dev/null +++ b/discovery/ban_test.go @@ -0,0 +1,60 @@ +package discovery + +import ( + "testing" + "time" + + "github.com/lightninglabs/neutrino/cache" + "github.com/stretchr/testify/require" +) + +// TestPurgeBanEntries tests that we properly purge ban entries on a timer. +func TestPurgeBanEntries(t *testing.T) { + t.Parallel() + + b := newBanman() + + // Ban a peer by repeatedly incrementing its ban score. + peer1 := [33]byte{0x00} + + for i := 0; i < banThreshold; i++ { + b.incrementBanScore(peer1) + } + + // Assert that the peer is now banned. + require.True(t, b.isBanned(peer1)) + + // A call to purgeBanEntries should not remove the peer from the index. + b.purgeBanEntries() + require.True(t, b.isBanned(peer1)) + + // Now set the peer's last update time to two banTimes in the past so + // that we can assert that purgeBanEntries does remove it from the + // index. + banInfo, err := b.peerBanIndex.Get(peer1) + require.NoError(t, err) + + banInfo.lastUpdate = time.Now().Add(-2 * banTime) + + b.purgeBanEntries() + _, err = b.peerBanIndex.Get(peer1) + require.ErrorIs(t, err, cache.ErrElementNotFound) + + // Increment the peer's ban score again but don't get it banned. + b.incrementBanScore(peer1) + require.False(t, b.isBanned(peer1)) + + // Assert that purgeBanEntries does nothing. + b.purgeBanEntries() + banInfo, err = b.peerBanIndex.Get(peer1) + require.Nil(t, err) + + // Set its lastUpdate time to 2 resetDelta's in the past so that + // purgeBanEntries removes it. + banInfo.lastUpdate = time.Now().Add(-2 * resetDelta) + + b.purgeBanEntries() + + _, err = b.peerBanIndex.Get(peer1) + require.ErrorIs(t, err, cache.ErrElementNotFound) +} From 3e318b4187cb7cef8f65828924b1a0b1d594eb98 Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Wed, 14 Aug 2024 14:03:39 -0400 Subject: [PATCH 325/343] multi: extend lnpeer.Peer interface with Disconnect function This will be used in the gossiper to disconnect from peers if their ban score passes the ban threshold. --- discovery/gossiper_test.go | 80 +++++++++++++++++++++---------- discovery/mock_test.go | 12 +++-- discovery/reliable_sender_test.go | 5 +- funding/manager_test.go | 2 + htlcswitch/link_test.go | 2 + htlcswitch/mock.go | 2 + lnpeer/mock_peer.go | 2 + lnpeer/peer.go | 3 ++ 8 files changed, 78 insertions(+), 30 deletions(-) diff --git a/discovery/gossiper_test.go b/discovery/gossiper_test.go index 7cfc7bce8f..5bc84d390f 100644 --- a/discovery/gossiper_test.go +++ b/discovery/gossiper_test.go @@ -765,7 +765,7 @@ func createTestCtx(t *testing.T, startHeight uint32) (*testCtx, error) { peerChan chan<- lnpeer.Peer) { pk, _ := btcec.ParsePubKey(target[:]) - peerChan <- &mockPeer{pk, nil, nil} + peerChan <- &mockPeer{pk, nil, nil, atomic.Bool{}} }, NotifyWhenOffline: func(_ [33]byte) <-chan struct{} { c := make(chan struct{}) @@ -843,7 +843,7 @@ func TestProcessAnnouncement(t *testing.T) { } } - nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}} // First, we'll craft a valid remote channel announcement and send it to // the gossiper so that it can be processed. @@ -953,7 +953,7 @@ func TestPrematureAnnouncement(t *testing.T) { _, err = createNodeAnnouncement(remoteKeyPriv1, timestamp) require.NoError(t, err, "can't create node announcement") - nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}} // Pretending that we receive the valid channel announcement from // remote side, but block height of this announcement is greater than @@ -990,7 +990,9 @@ func TestSignatureAnnouncementLocalFirst(t *testing.T) { pk, _ := btcec.ParsePubKey(target[:]) select { - case peerChan <- &mockPeer{pk, sentMsgs, ctx.gossiper.quit}: + case peerChan <- &mockPeer{ + pk, sentMsgs, ctx.gossiper.quit, atomic.Bool{}, + }: case <-ctx.gossiper.quit: } } @@ -1000,7 +1002,9 @@ func TestSignatureAnnouncementLocalFirst(t *testing.T) { remoteKey, err := btcec.ParsePubKey(batch.nodeAnn2.NodeID[:]) require.NoError(t, err, "unable to parse pubkey") - remotePeer := &mockPeer{remoteKey, sentMsgs, ctx.gossiper.quit} + remotePeer := &mockPeer{ + remoteKey, sentMsgs, ctx.gossiper.quit, atomic.Bool{}, + } // Recreate lightning network topology. Initialize router with channel // between two nodes. @@ -1162,7 +1166,9 @@ func TestOrphanSignatureAnnouncement(t *testing.T) { pk, _ := btcec.ParsePubKey(target[:]) select { - case peerChan <- &mockPeer{pk, sentMsgs, ctx.gossiper.quit}: + case peerChan <- &mockPeer{ + pk, sentMsgs, ctx.gossiper.quit, atomic.Bool{}, + }: case <-ctx.gossiper.quit: } } @@ -1172,7 +1178,9 @@ func TestOrphanSignatureAnnouncement(t *testing.T) { remoteKey, err := btcec.ParsePubKey(batch.nodeAnn2.NodeID[:]) require.NoError(t, err, "unable to parse pubkey") - remotePeer := &mockPeer{remoteKey, sentMsgs, ctx.gossiper.quit} + remotePeer := &mockPeer{ + remoteKey, sentMsgs, ctx.gossiper.quit, atomic.Bool{}, + } // Pretending that we receive local channel announcement from funding // manager, thereby kick off the announcement exchange process, in @@ -1344,7 +1352,9 @@ func TestSignatureAnnouncementRetryAtStartup(t *testing.T) { // Set up a channel to intercept the messages sent to the remote peer. sentToPeer := make(chan lnwire.Message, 1) - remotePeer := &mockPeer{remoteKey, sentToPeer, ctx.gossiper.quit} + remotePeer := &mockPeer{ + remoteKey, sentToPeer, ctx.gossiper.quit, atomic.Bool{}, + } // Since the reliable send to the remote peer of the local channel proof // requires a notification when the peer comes online, we'll capture the @@ -1578,7 +1588,9 @@ func TestSignatureAnnouncementFullProofWhenRemoteProof(t *testing.T) { // Set up a channel we can use to inspect messages sent by the // gossiper to the remote peer. sentToPeer := make(chan lnwire.Message, 1) - remotePeer := &mockPeer{remoteKey, sentToPeer, ctx.gossiper.quit} + remotePeer := &mockPeer{ + remoteKey, sentToPeer, ctx.gossiper.quit, atomic.Bool{}, + } // Override NotifyWhenOnline to return the remote peer which we expect // meesages to be sent to. @@ -1772,7 +1784,7 @@ func TestDeDuplicatedAnnouncements(t *testing.T) { ca, err := createRemoteChannelAnnouncement(0) require.NoError(t, err, "can't create remote channel announcement") - nodePeer := &mockPeer{bitcoinKeyPub2, nil, nil} + nodePeer := &mockPeer{bitcoinKeyPub2, nil, nil, atomic.Bool{}} announcements.AddMsgs(networkMsg{ msg: ca, peer: nodePeer, @@ -2058,7 +2070,7 @@ func TestForwardPrivateNodeAnnouncement(t *testing.T) { // process it. remoteChanAnn, err := createRemoteChannelAnnouncement(startingHeight - 1) require.NoError(t, err, "unable to create remote channel announcement") - peer := &mockPeer{pubKey, nil, nil} + peer := &mockPeer{pubKey, nil, nil, atomic.Bool{}} select { case err := <-ctx.gossiper.ProcessRemoteAnnouncement(remoteChanAnn, peer): @@ -2373,7 +2385,9 @@ func TestReceiveRemoteChannelUpdateFirst(t *testing.T) { // Set up a channel that we can use to inspect the messages sent // directly from the gossiper. sentMsgs := make(chan lnwire.Message, 10) - remotePeer := &mockPeer{remoteKey, sentMsgs, ctx.gossiper.quit} + remotePeer := &mockPeer{ + remoteKey, sentMsgs, ctx.gossiper.quit, atomic.Bool{}, + } // Override NotifyWhenOnline to return the remote peer which we expect // messages to be sent to. @@ -2561,7 +2575,9 @@ func TestExtraDataChannelAnnouncementValidation(t *testing.T) { ctx, err := createTestCtx(t, 0) require.NoError(t, err, "can't create context") - remotePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + remotePeer := &mockPeer{ + remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}, + } // We'll now create an announcement that contains an extra set of bytes // that we don't know of ourselves, but should still include in the @@ -2592,7 +2608,9 @@ func TestExtraDataChannelUpdateValidation(t *testing.T) { ctx, err := createTestCtx(t, 0) require.NoError(t, err, "can't create context") - remotePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + remotePeer := &mockPeer{ + remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}, + } // In this scenario, we'll create two announcements, one regular // channel announcement, and another channel update announcement, that @@ -2643,7 +2661,9 @@ func TestExtraDataNodeAnnouncementValidation(t *testing.T) { ctx, err := createTestCtx(t, 0) require.NoError(t, err, "can't create context") - remotePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + remotePeer := &mockPeer{ + remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}, + } timestamp := testTimestamp // We'll create a node announcement that includes a set of opaque data @@ -2716,7 +2736,7 @@ func TestRetransmit(t *testing.T) { remoteKey, err := btcec.ParsePubKey(batch.nodeAnn2.NodeID[:]) require.NoError(t, err, "unable to parse pubkey") - remotePeer := &mockPeer{remoteKey, nil, nil} + remotePeer := &mockPeer{remoteKey, nil, nil, atomic.Bool{}} // Process a local channel announcement, channel update and node // announcement. No messages should be broadcasted yet, since no proof @@ -2822,7 +2842,7 @@ func TestNodeAnnouncementNoChannels(t *testing.T) { remoteKey, err := btcec.ParsePubKey(batch.nodeAnn2.NodeID[:]) require.NoError(t, err, "unable to parse pubkey") - remotePeer := &mockPeer{remoteKey, nil, nil} + remotePeer := &mockPeer{remoteKey, nil, nil, atomic.Bool{}} // Process the remote node announcement. select { @@ -2906,7 +2926,7 @@ func TestOptionalFieldsChannelUpdateValidation(t *testing.T) { chanUpdateHeight := uint32(0) timestamp := uint32(123456) - nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}} // In this scenario, we'll test whether the message flags field in a // channel update is properly handled. @@ -3013,7 +3033,9 @@ func TestSendChannelUpdateReliably(t *testing.T) { // Set up a channel we can use to inspect messages sent by the // gossiper to the remote peer. sentToPeer := make(chan lnwire.Message, 1) - remotePeer := &mockPeer{remoteKey, sentToPeer, ctx.gossiper.quit} + remotePeer := &mockPeer{ + remoteKey, sentToPeer, ctx.gossiper.quit, atomic.Bool{}, + } // Since we first wait to be notified of the peer before attempting to // send the message, we'll overwrite NotifyWhenOnline and @@ -3367,7 +3389,9 @@ func TestPropagateChanPolicyUpdate(t *testing.T) { remoteKey := remoteKeyPriv1.PubKey() sentMsgs := make(chan lnwire.Message, 10) - remotePeer := &mockPeer{remoteKey, sentMsgs, ctx.gossiper.quit} + remotePeer := &mockPeer{ + remoteKey, sentMsgs, ctx.gossiper.quit, atomic.Bool{}, + } // The forced code path for sending the private ChannelUpdate to the // remote peer will be hit, forcing it to request a notification that @@ -3715,7 +3739,9 @@ func TestBroadcastAnnsAfterGraphSynced(t *testing.T) { t.Helper() - nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + nodePeer := &mockPeer{ + remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}, + } var errChan chan error if isRemote { errChan = ctx.gossiper.ProcessRemoteAnnouncement( @@ -3791,7 +3817,9 @@ func TestRateLimitChannelUpdates(t *testing.T) { batch, err := createRemoteAnnouncements(blockHeight) require.NoError(t, err) - nodePeer1 := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil} + nodePeer1 := &mockPeer{ + remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}, + } select { case err := <-ctx.gossiper.ProcessRemoteAnnouncement( batch.chanAnn, nodePeer1, @@ -3810,7 +3838,9 @@ func TestRateLimitChannelUpdates(t *testing.T) { t.Fatal("remote announcement not processed") } - nodePeer2 := &mockPeer{remoteKeyPriv2.PubKey(), nil, nil} + nodePeer2 := &mockPeer{ + remoteKeyPriv2.PubKey(), nil, nil, atomic.Bool{}, + } select { case err := <-ctx.gossiper.ProcessRemoteAnnouncement( batch.chanUpdAnn2, nodePeer2, @@ -3929,7 +3959,7 @@ func TestIgnoreOwnAnnouncement(t *testing.T) { remoteKey, err := btcec.ParsePubKey(batch.nodeAnn2.NodeID[:]) require.NoError(t, err, "unable to parse pubkey") - remotePeer := &mockPeer{remoteKey, nil, nil} + remotePeer := &mockPeer{remoteKey, nil, nil, atomic.Bool{}} // Try to let the remote peer tell us about the channel we are part of. select { @@ -4075,7 +4105,7 @@ func TestRejectCacheChannelAnn(t *testing.T) { remoteKey, err := btcec.ParsePubKey(batch.nodeAnn2.NodeID[:]) require.NoError(t, err, "unable to parse pubkey") - remotePeer := &mockPeer{remoteKey, nil, nil} + remotePeer := &mockPeer{remoteKey, nil, nil, atomic.Bool{}} // Before sending over the announcement, we'll modify it such that we // know it will always fail. diff --git a/discovery/mock_test.go b/discovery/mock_test.go index 4f5c5d4e46..f34a625147 100644 --- a/discovery/mock_test.go +++ b/discovery/mock_test.go @@ -4,6 +4,7 @@ import ( "errors" "net" "sync" + "sync/atomic" "github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/wire" @@ -14,9 +15,10 @@ import ( // mockPeer implements the lnpeer.Peer interface and is used to test the // gossiper's interaction with peers. type mockPeer struct { - pk *btcec.PublicKey - sentMsgs chan lnwire.Message - quit chan struct{} + pk *btcec.PublicKey + sentMsgs chan lnwire.Message + quit chan struct{} + disconnected atomic.Bool } var _ lnpeer.Peer = (*mockPeer)(nil) @@ -74,6 +76,10 @@ func (p *mockPeer) RemovePendingChannel(_ lnwire.ChannelID) error { return nil } +func (p *mockPeer) Disconnect(err error) { + p.disconnected.Store(true) +} + // mockMessageStore is an in-memory implementation of the MessageStore interface // used for the gossiper's unit tests. type mockMessageStore struct { diff --git a/discovery/reliable_sender_test.go b/discovery/reliable_sender_test.go index d1e69b11fb..19fdaa1cad 100644 --- a/discovery/reliable_sender_test.go +++ b/discovery/reliable_sender_test.go @@ -2,6 +2,7 @@ package discovery import ( "fmt" + "sync/atomic" "testing" "time" @@ -74,7 +75,7 @@ func TestReliableSenderFlow(t *testing.T) { // Create a mock peer to send the messages to. pubKey := randPubKey(t) msgsSent := make(chan lnwire.Message) - peer := &mockPeer{pubKey, msgsSent, reliableSender.quit} + peer := &mockPeer{pubKey, msgsSent, reliableSender.quit, atomic.Bool{}} // Override NotifyWhenOnline and NotifyWhenOffline to provide the // notification channels so that we can control when notifications get @@ -193,7 +194,7 @@ func TestReliableSenderStaleMessages(t *testing.T) { // Create a mock peer to send the messages to. pubKey := randPubKey(t) msgsSent := make(chan lnwire.Message) - peer := &mockPeer{pubKey, msgsSent, reliableSender.quit} + peer := &mockPeer{pubKey, msgsSent, reliableSender.quit, atomic.Bool{}} // Override NotifyWhenOnline to provide the notification channel so that // we can control when notifications get dispatched. diff --git a/funding/manager_test.go b/funding/manager_test.go index 9db175ec39..c4c8b4f36c 100644 --- a/funding/manager_test.go +++ b/funding/manager_test.go @@ -283,6 +283,8 @@ type testNode struct { var _ lnpeer.Peer = (*testNode)(nil) +func (n *testNode) Disconnect(err error) {} + func (n *testNode) IdentityKey() *btcec.PublicKey { return n.addr.IdentityKey } diff --git a/htlcswitch/link_test.go b/htlcswitch/link_test.go index 36f273112a..f50df8cd5e 100644 --- a/htlcswitch/link_test.go +++ b/htlcswitch/link_test.go @@ -2072,6 +2072,8 @@ func (m *mockPeer) QuitSignal() <-chan struct{} { return m.quit } +func (m *mockPeer) Disconnect(err error) {} + var _ lnpeer.Peer = (*mockPeer)(nil) func (m *mockPeer) SendMessage(sync bool, msgs ...lnwire.Message) error { diff --git a/htlcswitch/mock.go b/htlcswitch/mock.go index 96417d9c05..ed05a31655 100644 --- a/htlcswitch/mock.go +++ b/htlcswitch/mock.go @@ -684,6 +684,8 @@ func (s *mockServer) RemoteFeatures() *lnwire.FeatureVector { return nil } +func (s *mockServer) Disconnect(err error) {} + func (s *mockServer) Stop() error { if !atomic.CompareAndSwapInt32(&s.shutdown, 0, 1) { return nil diff --git a/lnpeer/mock_peer.go b/lnpeer/mock_peer.go index 908c9a0c9c..7fed3e4a04 100644 --- a/lnpeer/mock_peer.go +++ b/lnpeer/mock_peer.go @@ -79,3 +79,5 @@ func (m *MockPeer) RemoteFeatures() *lnwire.FeatureVector { args := m.Called() return args.Get(0).(*lnwire.FeatureVector) } + +func (m *MockPeer) Disconnect(err error) {} diff --git a/lnpeer/peer.go b/lnpeer/peer.go index f7d2e971ba..cb6bc9867a 100644 --- a/lnpeer/peer.go +++ b/lnpeer/peer.go @@ -74,4 +74,7 @@ type Peer interface { // by the remote peer. This allows sub-systems that use this interface // to gate their behavior off the set of negotiated feature bits. RemoteFeatures() *lnwire.FeatureVector + + // Disconnect halts communication with the peer. + Disconnect(error) } From de58e3e98e24b46668a5451d3242198a737d554e Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Wed, 14 Aug 2024 14:07:10 -0400 Subject: [PATCH 326/343] discovery: clean up scid variable usage --- discovery/gossiper.go | 50 ++++++++++++++++++++----------------------- 1 file changed, 23 insertions(+), 27 deletions(-) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 80fd576a23..61c123d55e 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -2399,8 +2399,10 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, ann *lnwire.ChannelAnnouncement, ops []batch.SchedulerOption) ([]networkMsg, bool) { + scid := ann.ShortChannelID + log.Debugf("Processing ChannelAnnouncement: peer=%v, short_chan_id=%v", - nMsg.peer, ann.ShortChannelID.ToUint64()) + nMsg.peer, scid.ToUint64()) // We'll ignore any channel announcements that target any chain other // than the set of chains we know of. @@ -2411,7 +2413,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, log.Errorf(err.Error()) key := newRejectCacheKey( - ann.ShortChannelID.ToUint64(), + scid.ToUint64(), sourceToPub(nMsg.source), ) _, _ = d.recentRejects.Put(key, &cachedReject{}) @@ -2423,13 +2425,12 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // If this is a remote ChannelAnnouncement with an alias SCID, we'll // reject the announcement. Since the router accepts alias SCIDs, // not erroring out would be a DoS vector. - if nMsg.isRemote && d.cfg.IsAlias(ann.ShortChannelID) { - err := fmt.Errorf("ignoring remote alias channel=%v", - ann.ShortChannelID) + if nMsg.isRemote && d.cfg.IsAlias(scid) { + err := fmt.Errorf("ignoring remote alias channel=%v", scid) log.Errorf(err.Error()) key := newRejectCacheKey( - ann.ShortChannelID.ToUint64(), + scid.ToUint64(), sourceToPub(nMsg.source), ) _, _ = d.recentRejects.Put(key, &cachedReject{}) @@ -2441,11 +2442,10 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // If the advertised inclusionary block is beyond our knowledge of the // chain tip, then we'll ignore it for now. d.Lock() - if nMsg.isRemote && d.isPremature(ann.ShortChannelID, 0, nMsg) { + if nMsg.isRemote && d.isPremature(scid, 0, nMsg) { log.Warnf("Announcement for chan_id=(%v), is premature: "+ "advertises height %v, only height %v is known", - ann.ShortChannelID.ToUint64(), - ann.ShortChannelID.BlockHeight, d.bestHeight) + scid.ToUint64(), scid.BlockHeight, d.bestHeight) d.Unlock() nMsg.err <- nil return nil, false @@ -2454,7 +2454,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // At this point, we'll now ask the router if this is a zombie/known // edge. If so we can skip all the processing below. - if d.cfg.Graph.IsKnownEdge(ann.ShortChannelID) { + if d.cfg.Graph.IsKnownEdge(scid) { nMsg.err <- nil return nil, true } @@ -2468,7 +2468,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, "%v", err) key := newRejectCacheKey( - ann.ShortChannelID.ToUint64(), + scid.ToUint64(), sourceToPub(nMsg.source), ) _, _ = d.recentRejects.Put(key, &cachedReject{}) @@ -2499,7 +2499,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, } edge := &models.ChannelEdgeInfo{ - ChannelID: ann.ShortChannelID.ToUint64(), + ChannelID: scid.ToUint64(), ChainHash: ann.ChainHash, NodeKey1Bytes: ann.NodeID1, NodeKey2Bytes: ann.NodeID2, @@ -2522,8 +2522,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, } } - log.Debugf("Adding edge for short_chan_id: %v", - ann.ShortChannelID.ToUint64()) + log.Debugf("Adding edge for short_chan_id: %v", scid.ToUint64()) // We will add the edge to the channel router. If the nodes present in // this channel are not present in the database, a partial node will be @@ -2533,13 +2532,13 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // channel ID. We do this to ensure no other goroutine has read the // database and is now making decisions based on this DB state, before // it writes to the DB. - d.channelMtx.Lock(ann.ShortChannelID.ToUint64()) + d.channelMtx.Lock(scid.ToUint64()) err := d.cfg.Graph.AddEdge(edge, ops...) if err != nil { log.Debugf("Graph rejected edge for short_chan_id(%v): %v", - ann.ShortChannelID.ToUint64(), err) + scid.ToUint64(), err) - defer d.channelMtx.Unlock(ann.ShortChannelID.ToUint64()) + defer d.channelMtx.Unlock(scid.ToUint64()) // If the edge was rejected due to already being known, then it // may be the case that this new message has a fresh channel @@ -2550,7 +2549,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, anns, rErr := d.processRejectedEdge(ann, proof) if rErr != nil { key := newRejectCacheKey( - ann.ShortChannelID.ToUint64(), + scid.ToUint64(), sourceToPub(nMsg.source), ) cr := &cachedReject{} @@ -2575,7 +2574,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, } else { // Otherwise, this is just a regular rejected edge. key := newRejectCacheKey( - ann.ShortChannelID.ToUint64(), + scid.ToUint64(), sourceToPub(nMsg.source), ) _, _ = d.recentRejects.Put(key, &cachedReject{}) @@ -2586,17 +2585,15 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, } // If err is nil, release the lock immediately. - d.channelMtx.Unlock(ann.ShortChannelID.ToUint64()) + d.channelMtx.Unlock(scid.ToUint64()) - log.Debugf("Finish adding edge for short_chan_id: %v", - ann.ShortChannelID.ToUint64()) + log.Debugf("Finish adding edge for short_chan_id: %v", scid.ToUint64()) // If we earlier received any ChannelUpdates for this channel, we can // now process them, as the channel is added to the graph. - shortChanID := ann.ShortChannelID.ToUint64() var channelUpdates []*processedNetworkMsg - earlyChanUpdates, err := d.prematureChannelUpdates.Get(shortChanID) + earlyChanUpdates, err := d.prematureChannelUpdates.Get(scid.ToUint64()) if err == nil { // There was actually an entry in the map, so we'll accumulate // it. We don't worry about deletion, since it'll eventually @@ -2629,8 +2626,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // shuts down. case *lnwire.ChannelUpdate: log.Debugf("Reprocessing ChannelUpdate for "+ - "shortChanID=%v", - msg.ShortChannelID.ToUint64()) + "shortChanID=%v", scid.ToUint64()) select { case d.networkMsgs <- updMsg: @@ -2664,7 +2660,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, nMsg.err <- nil log.Debugf("Processed ChannelAnnouncement: peer=%v, short_chan_id=%v", - nMsg.peer, ann.ShortChannelID.ToUint64()) + nMsg.peer, scid.ToUint64()) return announcements, true } From ae33b760f864719befed90f4c44586021884879f Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Wed, 14 Aug 2024 14:08:01 -0400 Subject: [PATCH 327/343] graph: export NewErrf and ErrorCode for upcoming gossiper unit tests --- graph/builder.go | 24 ++++++++++++------------ graph/builder_test.go | 2 +- graph/errors.go | 28 ++++++++++++++-------------- graph/validation_barrier.go | 4 ++-- 4 files changed, 29 insertions(+), 29 deletions(-) diff --git a/graph/builder.go b/graph/builder.go index 06e86b24bd..82a36eb36a 100644 --- a/graph/builder.go +++ b/graph/builder.go @@ -681,7 +681,7 @@ func (b *Builder) handleNetworkUpdate(vb *ValidationBarrier, update.err <- err case IsError(err, ErrParentValidationFailed): - update.err <- newErrf(ErrIgnored, err.Error()) + update.err <- NewErrf(ErrIgnored, err.Error()) //nolint default: log.Warnf("unexpected error during validation "+ @@ -1053,7 +1053,7 @@ func (b *Builder) assertNodeAnnFreshness(node route.Vertex, "existence of node: %v", err) } if !exists { - return newErrf(ErrIgnored, "Ignoring node announcement"+ + return NewErrf(ErrIgnored, "Ignoring node announcement"+ " for node not found in channel graph (%x)", node[:]) } @@ -1063,7 +1063,7 @@ func (b *Builder) assertNodeAnnFreshness(node route.Vertex, // if not then we won't accept the new data as it would override newer // data. if !lastUpdate.Before(msgTimestamp) { - return newErrf(ErrOutdated, "Ignoring outdated "+ + return NewErrf(ErrOutdated, "Ignoring outdated "+ "announcement for %x", node[:]) } @@ -1193,11 +1193,11 @@ func (b *Builder) processUpdate(msg interface{}, "existence: %v", err) } if isZombie { - return newErrf(ErrIgnored, "ignoring msg for zombie "+ + return NewErrf(ErrIgnored, "ignoring msg for zombie "+ "chan_id=%v", msg.ChannelID) } if exists { - return newErrf(ErrIgnored, "ignoring msg for known "+ + return NewErrf(ErrIgnored, "ignoring msg for known "+ "chan_id=%v", msg.ChannelID) } @@ -1259,7 +1259,7 @@ func (b *Builder) processUpdate(msg interface{}, default: } - return newErrf(ErrNoFundingTransaction, "unable to "+ + return NewErrf(ErrNoFundingTransaction, "unable to "+ "locate funding tx: %v", err) } @@ -1294,7 +1294,7 @@ func (b *Builder) processUpdate(msg interface{}, return err } - return newErrf(ErrInvalidFundingOutput, "output "+ + return NewErrf(ErrInvalidFundingOutput, "output "+ "failed validation: %w", err) } @@ -1313,7 +1313,7 @@ func (b *Builder) processUpdate(msg interface{}, } } - return newErrf(ErrChannelSpent, "unable to fetch utxo "+ + return NewErrf(ErrChannelSpent, "unable to fetch utxo "+ "for chan_id=%v, chan_point=%v: %v", msg.ChannelID, fundingPoint, err) } @@ -1378,7 +1378,7 @@ func (b *Builder) processUpdate(msg interface{}, b.cfg.ChannelPruneExpiry if isZombie && isStaleUpdate { - return newErrf(ErrIgnored, "ignoring stale update "+ + return NewErrf(ErrIgnored, "ignoring stale update "+ "(flags=%v|%v) for zombie chan_id=%v", msg.MessageFlags, msg.ChannelFlags, msg.ChannelID) @@ -1387,7 +1387,7 @@ func (b *Builder) processUpdate(msg interface{}, // If the channel doesn't exist in our database, we cannot // apply the updated policy. if !exists { - return newErrf(ErrIgnored, "ignoring update "+ + return NewErrf(ErrIgnored, "ignoring update "+ "(flags=%v|%v) for unknown chan_id=%v", msg.MessageFlags, msg.ChannelFlags, msg.ChannelID) @@ -1405,7 +1405,7 @@ func (b *Builder) processUpdate(msg interface{}, // Ignore outdated message. if !edge1Timestamp.Before(msg.LastUpdate) { - return newErrf(ErrOutdated, "Ignoring "+ + return NewErrf(ErrOutdated, "Ignoring "+ "outdated update (flags=%v|%v) for "+ "known chan_id=%v", msg.MessageFlags, msg.ChannelFlags, msg.ChannelID) @@ -1417,7 +1417,7 @@ func (b *Builder) processUpdate(msg interface{}, // Ignore outdated message. if !edge2Timestamp.Before(msg.LastUpdate) { - return newErrf(ErrOutdated, "Ignoring "+ + return NewErrf(ErrOutdated, "Ignoring "+ "outdated update (flags=%v|%v) for "+ "known chan_id=%v", msg.MessageFlags, msg.ChannelFlags, msg.ChannelID) diff --git a/graph/builder_test.go b/graph/builder_test.go index 600bd86344..f6c5dcf9cb 100644 --- a/graph/builder_test.go +++ b/graph/builder_test.go @@ -1275,7 +1275,7 @@ func newChannelEdgeInfo(t *testing.T, ctx *testCtx, fundingHeight uint32, } func assertChanChainRejection(t *testing.T, ctx *testCtx, - edge *models.ChannelEdgeInfo, failCode errorCode) { + edge *models.ChannelEdgeInfo, failCode ErrorCode) { t.Helper() diff --git a/graph/errors.go b/graph/errors.go index c0d6b8904a..0a1d6fd244 100644 --- a/graph/errors.go +++ b/graph/errors.go @@ -2,14 +2,14 @@ package graph import "github.com/go-errors/errors" -// errorCode is used to represent the various errors that can occur within this +// ErrorCode is used to represent the various errors that can occur within this // package. -type errorCode uint8 +type ErrorCode uint8 const ( // ErrOutdated is returned when the routing update already have // been applied, or a newer update is already known. - ErrOutdated errorCode = iota + ErrOutdated ErrorCode = iota // ErrIgnored is returned when the update have been ignored because // this update can't bring us something new, or because a node @@ -39,27 +39,27 @@ const ( ErrParentValidationFailed ) -// graphError is a structure that represent the error inside the graph package, +// Error is a structure that represent the error inside the graph package, // this structure carries additional information about error code in order to // be able distinguish errors outside of the current package. -type graphError struct { +type Error struct { err *errors.Error - code errorCode + code ErrorCode } // Error represents errors as the string // NOTE: Part of the error interface. -func (e *graphError) Error() string { +func (e *Error) Error() string { return e.err.Error() } -// A compile time check to ensure graphError implements the error interface. -var _ error = (*graphError)(nil) +// A compile time check to ensure Error implements the error interface. +var _ error = (*Error)(nil) -// newErrf creates a graphError by the given error formatted description and +// NewErrf creates a Error by the given error formatted description and // its corresponding error code. -func newErrf(code errorCode, format string, a ...interface{}) *graphError { - return &graphError{ +func NewErrf(code ErrorCode, format string, a ...interface{}) *Error { + return &Error{ code: code, err: errors.Errorf(format, a...), } @@ -67,8 +67,8 @@ func newErrf(code errorCode, format string, a ...interface{}) *graphError { // IsError is a helper function which is needed to have ability to check that // returned error has specific error code. -func IsError(e interface{}, codes ...errorCode) bool { - err, ok := e.(*graphError) +func IsError(e interface{}, codes ...ErrorCode) bool { + err, ok := e.(*Error) if !ok { return false } diff --git a/graph/validation_barrier.go b/graph/validation_barrier.go index 2f3c8c02ce..731852d753 100644 --- a/graph/validation_barrier.go +++ b/graph/validation_barrier.go @@ -238,12 +238,12 @@ func (v *ValidationBarrier) WaitForDependants(job interface{}) error { // is closed, or the set of jobs exits. select { case <-v.quit: - return newErrf(ErrVBarrierShuttingDown, + return NewErrf(ErrVBarrierShuttingDown, "validation barrier shutting down") case <-signals.deny: log.Debugf("Signal deny for %s", jobDesc) - return newErrf(ErrParentValidationFailed, + return NewErrf(ErrParentValidationFailed, "parent validation failed") case <-signals.allow: From 53a8d37df737beb9a8662255afa972fee85e123e Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Fri, 16 Aug 2024 14:16:20 -0400 Subject: [PATCH 328/343] discovery: implement ChannelAnnouncement banning This commit hooks up the banman to the gossiper: - peers that are banned and don't have a channel with us will get disconnected until they are unbanned. - peers that are banned and have a channel with us won't get disconnected, but we will ignore their channel announcements until they are no longer banned. Note that this only disables gossip of announcements to us and still allows us to open channels to them. --- discovery/gossiper.go | 168 ++++++++++++++++++++++++++++- discovery/gossiper_test.go | 212 +++++++++++++++++++++++++++++++------ discovery/mock_test.go | 37 +++++++ discovery/sync_manager.go | 18 +++- discovery/syncer.go | 42 ++++---- discovery/syncer_test.go | 6 +- server.go | 57 +++++++++- 7 files changed, 480 insertions(+), 60 deletions(-) diff --git a/discovery/gossiper.go b/discovery/gossiper.go index 61c123d55e..84fae767f0 100644 --- a/discovery/gossiper.go +++ b/discovery/gossiper.go @@ -256,6 +256,11 @@ type Config struct { // here? AnnSigner lnwallet.MessageSigner + // ScidCloser is an instance of ClosedChannelTracker that helps the + // gossiper cut down on spam channel announcements for already closed + // channels. + ScidCloser ClosedChannelTracker + // NumActiveSyncers is the number of peers for which we should have // active syncers with. After reaching NumActiveSyncers, any future // gossip syncers will be passive. @@ -434,6 +439,9 @@ type AuthenticatedGossiper struct { // ChannelAnnouncement for the channel is received. prematureChannelUpdates *lru.Cache[uint64, *cachedNetworkMsg] + // banman tracks our peer's ban status. + banman *banman + // networkMsgs is a channel that carries new network broadcasted // message from outside the gossiper service to be processed by the // networkHandler. @@ -512,6 +520,7 @@ func New(cfg Config, selfKeyDesc *keychain.KeyDescriptor) *AuthenticatedGossiper maxRejectedUpdates, ), chanUpdateRateLimiter: make(map[uint64][2]*rate.Limiter), + banman: newBanman(), } gossiper.syncMgr = newSyncManager(&SyncManagerCfg{ @@ -606,6 +615,8 @@ func (d *AuthenticatedGossiper) start() error { d.syncMgr.Start() + d.banman.start() + // Start receiving blocks in its dedicated goroutine. d.wg.Add(2) go d.syncBlockHeight() @@ -762,6 +773,8 @@ func (d *AuthenticatedGossiper) stop() { d.syncMgr.Stop() + d.banman.stop() + close(d.quit) d.wg.Wait() @@ -2459,6 +2472,51 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, return nil, true } + // Check if the channel is already closed in which case we can ignore + // it. + closed, err := d.cfg.ScidCloser.IsClosedScid(scid) + if err != nil { + log.Errorf("failed to check if scid %v is closed: %v", scid, + err) + nMsg.err <- err + + return nil, false + } + + if closed { + err = fmt.Errorf("ignoring closed channel %v", scid) + log.Error(err) + + // If this is an announcement from us, we'll just ignore it. + if !nMsg.isRemote { + nMsg.err <- err + return nil, false + } + + // Increment the peer's ban score if they are sending closed + // channel announcements. + d.banman.incrementBanScore(nMsg.peer.PubKey()) + + // If the peer is banned and not a channel peer, we'll + // disconnect them. + shouldDc, dcErr := d.ShouldDisconnect(nMsg.peer.IdentityKey()) + if dcErr != nil { + log.Errorf("failed to check if we should disconnect "+ + "peer: %v", dcErr) + nMsg.err <- dcErr + + return nil, false + } + + if shouldDc { + nMsg.peer.Disconnect(ErrPeerBanned) + } + + nMsg.err <- err + + return nil, false + } + // If this is a remote channel announcement, then we'll validate all // the signatures within the proof as it should be well formed. var proof *models.ChannelAuthProof @@ -2533,7 +2591,7 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // database and is now making decisions based on this DB state, before // it writes to the DB. d.channelMtx.Lock(scid.ToUint64()) - err := d.cfg.Graph.AddEdge(edge, ops...) + err = d.cfg.Graph.AddEdge(edge, ops...) if err != nil { log.Debugf("Graph rejected edge for short_chan_id(%v): %v", scid.ToUint64(), err) @@ -2543,7 +2601,8 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, // If the edge was rejected due to already being known, then it // may be the case that this new message has a fresh channel // proof, so we'll check. - if graph.IsError(err, graph.ErrIgnored) { + switch { + case graph.IsError(err, graph.ErrIgnored): // Attempt to process the rejected message to see if we // get any new announcements. anns, rErr := d.processRejectedEdge(ann, proof) @@ -2571,7 +2630,55 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, nMsg.err <- nil return anns, true - } else { + + case graph.IsError( + err, graph.ErrNoFundingTransaction, + graph.ErrInvalidFundingOutput, + ): + key := newRejectCacheKey( + scid.ToUint64(), + sourceToPub(nMsg.source), + ) + _, _ = d.recentRejects.Put(key, &cachedReject{}) + + // Increment the peer's ban score. We check isRemote + // so we don't actually ban the peer in case of a local + // bug. + if nMsg.isRemote { + d.banman.incrementBanScore(nMsg.peer.PubKey()) + } + + case graph.IsError(err, graph.ErrChannelSpent): + key := newRejectCacheKey( + scid.ToUint64(), + sourceToPub(nMsg.source), + ) + _, _ = d.recentRejects.Put(key, &cachedReject{}) + + // Since this channel has already been closed, we'll + // add it to the graph's closed channel index such that + // we won't attempt to do expensive validation checks + // on it again. + // TODO: Populate the ScidCloser by using closed + // channel notifications. + dbErr := d.cfg.ScidCloser.PutClosedScid(scid) + if dbErr != nil { + log.Errorf("failed to mark scid(%v) as "+ + "closed: %v", scid, dbErr) + + nMsg.err <- dbErr + + return nil, false + } + + // Increment the peer's ban score. We check isRemote + // so we don't accidentally ban ourselves in case of a + // bug. + if nMsg.isRemote { + d.banman.incrementBanScore(nMsg.peer.PubKey()) + } + + default: // Otherwise, this is just a regular rejected edge. key := newRejectCacheKey( scid.ToUint64(), @@ -2580,7 +2687,29 @@ func (d *AuthenticatedGossiper) handleChanAnnouncement(nMsg *networkMsg, _, _ = d.recentRejects.Put(key, &cachedReject{}) } + if !nMsg.isRemote { + log.Errorf("failed to add edge for local channel: %v", + err) + nMsg.err <- err + + return nil, false + } + + shouldDc, dcErr := d.ShouldDisconnect(nMsg.peer.IdentityKey()) + if dcErr != nil { + log.Errorf("failed to check if we should disconnect "+ + "peer: %v", dcErr) + nMsg.err <- dcErr + + return nil, false + } + + if shouldDc { + nMsg.peer.Disconnect(ErrPeerBanned) + } + nMsg.err <- err + return nil, false } @@ -3385,3 +3514,36 @@ func (d *AuthenticatedGossiper) handleAnnSig(nMsg *networkMsg, nMsg.err <- nil return announcements, true } + +// isBanned returns true if the peer identified by pubkey is banned for sending +// invalid channel announcements. +func (d *AuthenticatedGossiper) isBanned(pubkey [33]byte) bool { + return d.banman.isBanned(pubkey) +} + +// ShouldDisconnect returns true if we should disconnect the peer identified by +// pubkey. +func (d *AuthenticatedGossiper) ShouldDisconnect(pubkey *btcec.PublicKey) ( + bool, error) { + + pubkeySer := pubkey.SerializeCompressed() + + var pubkeyBytes [33]byte + copy(pubkeyBytes[:], pubkeySer) + + // If the public key is banned, check whether or not this is a channel + // peer. + if d.isBanned(pubkeyBytes) { + isChanPeer, err := d.cfg.ScidCloser.IsChannelPeer(pubkey) + if err != nil { + return false, err + } + + // We should only disconnect non-channel peers. + if !isChanPeer { + return true, nil + } + } + + return false, nil +} diff --git a/discovery/gossiper_test.go b/discovery/gossiper_test.go index 5bc84d390f..c7cb149cfe 100644 --- a/discovery/gossiper_test.go +++ b/discovery/gossiper_test.go @@ -25,6 +25,7 @@ import ( "github.com/lightningnetwork/lnd/chainntnfs" "github.com/lightningnetwork/lnd/channeldb" "github.com/lightningnetwork/lnd/channeldb/models" + "github.com/lightningnetwork/lnd/fn" "github.com/lightningnetwork/lnd/graph" "github.com/lightningnetwork/lnd/keychain" "github.com/lightningnetwork/lnd/kvdb" @@ -90,12 +91,13 @@ func makeTestDB(t *testing.T) (*channeldb.DB, error) { type mockGraphSource struct { bestHeight uint32 - mu sync.Mutex - nodes []channeldb.LightningNode - infos map[uint64]models.ChannelEdgeInfo - edges map[uint64][]models.ChannelEdgePolicy - zombies map[uint64][][33]byte - chansToReject map[uint64]struct{} + mu sync.Mutex + nodes []channeldb.LightningNode + infos map[uint64]models.ChannelEdgeInfo + edges map[uint64][]models.ChannelEdgePolicy + zombies map[uint64][][33]byte + chansToReject map[uint64]struct{} + addEdgeErrCode fn.Option[graph.ErrorCode] } func newMockRouter(height uint32) *mockGraphSource { @@ -126,6 +128,12 @@ func (r *mockGraphSource) AddEdge(info *models.ChannelEdgeInfo, r.mu.Lock() defer r.mu.Unlock() + if r.addEdgeErrCode.IsSome() { + return graph.NewErrf( + r.addEdgeErrCode.UnsafeFromSome(), "received error", + ) + } + if _, ok := r.infos[info.ChannelID]; ok { return errors.New("info already exist") } @@ -138,6 +146,14 @@ func (r *mockGraphSource) AddEdge(info *models.ChannelEdgeInfo, return nil } +func (r *mockGraphSource) resetAddEdgeErrCode() { + r.addEdgeErrCode = fn.None[graph.ErrorCode]() +} + +func (r *mockGraphSource) setAddEdgeErrCode(code graph.ErrorCode) { + r.addEdgeErrCode = fn.Some[graph.ErrorCode](code) +} + func (r *mockGraphSource) queueValidationFail(chanID uint64) { r.mu.Lock() defer r.mu.Unlock() @@ -707,7 +723,9 @@ type testCtx struct { broadcastedMessage chan msgWithSenders } -func createTestCtx(t *testing.T, startHeight uint32) (*testCtx, error) { +func createTestCtx(t *testing.T, startHeight uint32, isChanPeer bool) ( + *testCtx, error) { + // Next we'll initialize an instance of the channel router with mock // versions of the chain and channel notifier. As we don't need to test // any p2p functionality, the peer send and switch send, @@ -803,6 +821,7 @@ func createTestCtx(t *testing.T, startHeight uint32) (*testCtx, error) { FindBaseByAlias: findBaseByAlias, GetAlias: getAlias, FindChannel: mockFindChannel, + ScidCloser: newMockScidCloser(isChanPeer), }, selfKeyDesc) if err := gossiper.Start(); err != nil { @@ -831,7 +850,7 @@ func TestProcessAnnouncement(t *testing.T) { t.Parallel() timestamp := testTimestamp - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "can't create context") assertSenderExistence := func(sender *btcec.PublicKey, msg msgWithSenders) { @@ -947,7 +966,7 @@ func TestPrematureAnnouncement(t *testing.T) { timestamp := testTimestamp - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "can't create context") _, err = createNodeAnnouncement(remoteKeyPriv1, timestamp) @@ -978,7 +997,7 @@ func TestPrematureAnnouncement(t *testing.T) { func TestSignatureAnnouncementLocalFirst(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") // Set up a channel that we can use to inspect the messages sent @@ -1154,7 +1173,7 @@ func TestSignatureAnnouncementLocalFirst(t *testing.T) { func TestOrphanSignatureAnnouncement(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") // Set up a channel that we can use to inspect the messages sent @@ -1341,7 +1360,7 @@ func TestOrphanSignatureAnnouncement(t *testing.T) { func TestSignatureAnnouncementRetryAtStartup(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") batch, err := createLocalAnnouncements(0) @@ -1576,7 +1595,7 @@ out: func TestSignatureAnnouncementFullProofWhenRemoteProof(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") batch, err := createLocalAnnouncements(0) @@ -2016,7 +2035,7 @@ func TestForwardPrivateNodeAnnouncement(t *testing.T) { timestamp = 123456 ) - ctx, err := createTestCtx(t, startingHeight) + ctx, err := createTestCtx(t, startingHeight, false) require.NoError(t, err, "can't create context") // We'll start off by processing a channel announcement without a proof @@ -2115,7 +2134,7 @@ func TestRejectZombieEdge(t *testing.T) { // We'll start by creating our test context with a batch of // announcements. - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "unable to create test context") batch, err := createRemoteAnnouncements(0) @@ -2216,7 +2235,7 @@ func TestProcessZombieEdgeNowLive(t *testing.T) { // We'll start by creating our test context with a batch of // announcements. - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "unable to create test context") batch, err := createRemoteAnnouncements(0) @@ -2373,7 +2392,7 @@ func TestProcessZombieEdgeNowLive(t *testing.T) { func TestReceiveRemoteChannelUpdateFirst(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") batch, err := createLocalAnnouncements(0) @@ -2572,7 +2591,7 @@ func TestReceiveRemoteChannelUpdateFirst(t *testing.T) { func TestExtraDataChannelAnnouncementValidation(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "can't create context") remotePeer := &mockPeer{ @@ -2605,7 +2624,7 @@ func TestExtraDataChannelUpdateValidation(t *testing.T) { t.Parallel() timestamp := testTimestamp - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "can't create context") remotePeer := &mockPeer{ @@ -2658,7 +2677,7 @@ func TestExtraDataChannelUpdateValidation(t *testing.T) { func TestExtraDataNodeAnnouncementValidation(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "can't create context") remotePeer := &mockPeer{ @@ -2728,7 +2747,7 @@ func assertProcessAnnouncement(t *testing.T, result chan error) { func TestRetransmit(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") batch, err := createLocalAnnouncements(0) @@ -2834,7 +2853,7 @@ func TestRetransmit(t *testing.T) { func TestNodeAnnouncementNoChannels(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "can't create context") batch, err := createRemoteAnnouncements(0) @@ -2919,7 +2938,7 @@ func TestNodeAnnouncementNoChannels(t *testing.T) { func TestOptionalFieldsChannelUpdateValidation(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "can't create context") processRemoteAnnouncement := ctx.gossiper.ProcessRemoteAnnouncement @@ -3018,7 +3037,7 @@ func TestSendChannelUpdateReliably(t *testing.T) { // We'll start by creating our test context and a batch of // announcements. - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "unable to create test context") batch, err := createLocalAnnouncements(0) @@ -3372,7 +3391,7 @@ func TestPropagateChanPolicyUpdate(t *testing.T) { // First, we'll make out test context and add 3 random channels to the // graph. startingHeight := uint32(10) - ctx, err := createTestCtx(t, startingHeight) + ctx, err := createTestCtx(t, startingHeight, false) require.NoError(t, err, "unable to create test context") const numChannels = 3 @@ -3553,7 +3572,7 @@ func TestProcessChannelAnnouncementOptionalMsgFields(t *testing.T) { // We'll start by creating our test context and a set of test channel // announcements. - ctx, err := createTestCtx(t, 0) + ctx, err := createTestCtx(t, 0, false) require.NoError(t, err, "unable to create test context") chanAnn1 := createAnnouncementWithoutProof( @@ -3614,7 +3633,7 @@ func assertMessage(t *testing.T, expected, got lnwire.Message) { func TestSplitAnnouncementsCorrectSubBatches(t *testing.T) { // Create our test harness. const blockHeight = 100 - ctx, err := createTestCtx(t, blockHeight) + ctx, err := createTestCtx(t, blockHeight, false) require.NoError(t, err, "can't create context") const subBatchSize = 10 @@ -3726,7 +3745,7 @@ func (m *SyncManager) markGraphSyncing() { func TestBroadcastAnnsAfterGraphSynced(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, 10) + ctx, err := createTestCtx(t, 10, false) require.NoError(t, err, "can't create context") // We'll mark the graph as not synced. This should prevent us from @@ -3801,7 +3820,7 @@ func TestRateLimitChannelUpdates(t *testing.T) { // Create our test harness. const blockHeight = 100 - ctx, err := createTestCtx(t, blockHeight) + ctx, err := createTestCtx(t, blockHeight, false) require.NoError(t, err, "can't create context") ctx.gossiper.cfg.RebroadcastInterval = time.Hour ctx.gossiper.cfg.MaxChannelUpdateBurst = 5 @@ -3951,7 +3970,7 @@ func TestRateLimitChannelUpdates(t *testing.T) { func TestIgnoreOwnAnnouncement(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") batch, err := createLocalAnnouncements(0) @@ -4095,7 +4114,7 @@ func TestIgnoreOwnAnnouncement(t *testing.T) { func TestRejectCacheChannelAnn(t *testing.T) { t.Parallel() - ctx, err := createTestCtx(t, proofMatureDelta) + ctx, err := createTestCtx(t, proofMatureDelta, false) require.NoError(t, err, "can't create context") // First, we create a channel announcement to send over to our test @@ -4169,3 +4188,134 @@ func TestFutureMsgCacheEviction(t *testing.T) { require.NoError(t, err) require.EqualValues(t, 2, item.height, "should be the second item") } + +// TestChanAnnBanningNonChanPeer asserts that non-channel peers who send bogus +// channel announcements are banned properly. +func TestChanAnnBanningNonChanPeer(t *testing.T) { + t.Parallel() + + ctx, err := createTestCtx(t, 1000, false) + require.NoError(t, err, "can't create context") + + nodePeer1 := &mockPeer{ + remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}, + } + nodePeer2 := &mockPeer{ + remoteKeyPriv2.PubKey(), nil, nil, atomic.Bool{}, + } + + ctx.router.setAddEdgeErrCode(graph.ErrInvalidFundingOutput) + + // Loop 100 times to get nodePeer banned. + for i := 0; i < 100; i++ { + // Craft a valid channel announcement for a channel we don't + // have. We will ensure that it fails validation by modifying + // the router. + ca, err := createRemoteChannelAnnouncement(uint32(i)) + require.NoError(t, err, "can't create channel announcement") + + select { + case err = <-ctx.gossiper.ProcessRemoteAnnouncement( + ca, nodePeer1, + ): + require.True( + t, graph.IsError( + err, graph.ErrInvalidFundingOutput, + ), + ) + + case <-time.After(2 * time.Second): + t.Fatalf("remote announcement not processed") + } + } + + // The peer should be banned now. + require.True(t, ctx.gossiper.isBanned(nodePeer1.PubKey())) + + // Assert that nodePeer has been disconnected. + require.True(t, nodePeer1.disconnected.Load()) + + ca, err := createRemoteChannelAnnouncement(101) + require.NoError(t, err, "can't create channel announcement") + + // Set the error to ErrChannelSpent so that we can test that the + // gossiper ignores closed channels. + ctx.router.setAddEdgeErrCode(graph.ErrChannelSpent) + + select { + case err = <-ctx.gossiper.ProcessRemoteAnnouncement(ca, nodePeer2): + require.True(t, graph.IsError(err, graph.ErrChannelSpent)) + + case <-time.After(2 * time.Second): + t.Fatalf("remote announcement not processed") + } + + // Check that the announcement's scid is marked as closed. + isClosed, err := ctx.gossiper.cfg.ScidCloser.IsClosedScid( + ca.ShortChannelID, + ) + require.Nil(t, err) + require.True(t, isClosed) + + // Remove the scid from the reject cache. + key := newRejectCacheKey( + ca.ShortChannelID.ToUint64(), + sourceToPub(nodePeer2.IdentityKey()), + ) + + ctx.gossiper.recentRejects.Delete(key) + + // Reset the AddEdge error and pass the same announcement again. An + // error should be returned even though AddEdge won't fail. + ctx.router.resetAddEdgeErrCode() + + select { + case err = <-ctx.gossiper.ProcessRemoteAnnouncement(ca, nodePeer2): + require.NotNil(t, err) + + case <-time.After(2 * time.Second): + t.Fatalf("remote announcement not processed") + } +} + +// TestChanAnnBanningChanPeer asserts that channel peers that are banned don't +// get disconnected. +func TestChanAnnBanningChanPeer(t *testing.T) { + t.Parallel() + + ctx, err := createTestCtx(t, 1000, true) + require.NoError(t, err, "can't create context") + + nodePeer := &mockPeer{remoteKeyPriv1.PubKey(), nil, nil, atomic.Bool{}} + + ctx.router.setAddEdgeErrCode(graph.ErrInvalidFundingOutput) + + // Loop 100 times to get nodePeer banned. + for i := 0; i < 100; i++ { + // Craft a valid channel announcement for a channel we don't + // have. We will ensure that it fails validation by modifying + // the router. + ca, err := createRemoteChannelAnnouncement(uint32(i)) + require.NoError(t, err, "can't create channel announcement") + + select { + case err = <-ctx.gossiper.ProcessRemoteAnnouncement( + ca, nodePeer, + ): + require.True( + t, graph.IsError( + err, graph.ErrInvalidFundingOutput, + ), + ) + + case <-time.After(2 * time.Second): + t.Fatalf("remote announcement not processed") + } + } + + // The peer should be banned now. + require.True(t, ctx.gossiper.isBanned(nodePeer.PubKey())) + + // Assert that the peer wasn't disconnected. + require.False(t, nodePeer.disconnected.Load()) +} diff --git a/discovery/mock_test.go b/discovery/mock_test.go index f34a625147..6bd93c29b7 100644 --- a/discovery/mock_test.go +++ b/discovery/mock_test.go @@ -161,3 +161,40 @@ func (s *mockMessageStore) MessagesForPeer(pubKey [33]byte) ([]lnwire.Message, e return msgs, nil } + +type mockScidCloser struct { + m map[lnwire.ShortChannelID]struct{} + channelPeer bool + + sync.Mutex +} + +func newMockScidCloser(channelPeer bool) *mockScidCloser { + return &mockScidCloser{ + m: make(map[lnwire.ShortChannelID]struct{}), + channelPeer: channelPeer, + } +} + +func (m *mockScidCloser) PutClosedScid(scid lnwire.ShortChannelID) error { + m.Lock() + m.m[scid] = struct{}{} + m.Unlock() + + return nil +} + +func (m *mockScidCloser) IsClosedScid(scid lnwire.ShortChannelID) (bool, + error) { + + m.Lock() + defer m.Unlock() + + _, ok := m.m[scid] + + return ok, nil +} + +func (m *mockScidCloser) IsChannelPeer(pubkey *btcec.PublicKey) (bool, error) { + return m.channelPeer, nil +} diff --git a/discovery/sync_manager.go b/discovery/sync_manager.go index d3a0172563..70d28784b8 100644 --- a/discovery/sync_manager.go +++ b/discovery/sync_manager.go @@ -22,6 +22,9 @@ const ( // force a historical sync to ensure we have as much of the public // network as possible. DefaultHistoricalSyncInterval = time.Hour + + // filterSemaSize is the capacity of gossipFilterSema. + filterSemaSize = 5 ) var ( @@ -161,12 +164,22 @@ type SyncManager struct { // duration of the connection. pinnedActiveSyncers map[route.Vertex]*GossipSyncer + // gossipFilterSema contains semaphores for the gossip timestamp + // queries. + gossipFilterSema chan struct{} + wg sync.WaitGroup quit chan struct{} } // newSyncManager constructs a new SyncManager backed by the given config. func newSyncManager(cfg *SyncManagerCfg) *SyncManager { + + filterSema := make(chan struct{}, filterSemaSize) + for i := 0; i < filterSemaSize; i++ { + filterSema <- struct{}{} + } + return &SyncManager{ cfg: *cfg, newSyncers: make(chan *newSyncer), @@ -178,7 +191,8 @@ func newSyncManager(cfg *SyncManagerCfg) *SyncManager { pinnedActiveSyncers: make( map[route.Vertex]*GossipSyncer, len(cfg.PinnedSyncers), ), - quit: make(chan struct{}), + gossipFilterSema: filterSema, + quit: make(chan struct{}), } } @@ -507,7 +521,7 @@ func (m *SyncManager) createGossipSyncer(peer lnpeer.Peer) *GossipSyncer { maxQueryChanRangeReplies: maxQueryChanRangeReplies, noTimestampQueryOption: m.cfg.NoTimestampQueries, isStillZombieChannel: m.cfg.IsStillZombieChannel, - }) + }, m.gossipFilterSema) // Gossip syncers are initialized by default in a PassiveSync type // and chansSynced state so that they can reply to any peer queries or diff --git a/discovery/syncer.go b/discovery/syncer.go index 512c9f631f..b6adb447a6 100644 --- a/discovery/syncer.go +++ b/discovery/syncer.go @@ -181,9 +181,6 @@ const ( // requestBatchSize is the maximum number of channels we will query the // remote peer for in a QueryShortChanIDs message. requestBatchSize = 500 - - // filterSemaSize is the capacity of gossipFilterSema. - filterSemaSize = 5 ) var ( @@ -400,9 +397,11 @@ type GossipSyncer struct { // GossipSyncer reaches its terminal chansSynced state. syncedSignal chan struct{} - sync.Mutex + // syncerSema is used to more finely control the syncer's ability to + // respond to gossip timestamp range messages. + syncerSema chan struct{} - gossipFilterSema chan struct{} + sync.Mutex quit chan struct{} wg sync.WaitGroup @@ -410,7 +409,7 @@ type GossipSyncer struct { // newGossipSyncer returns a new instance of the GossipSyncer populated using // the passed config. -func newGossipSyncer(cfg gossipSyncerCfg) *GossipSyncer { +func newGossipSyncer(cfg gossipSyncerCfg, sema chan struct{}) *GossipSyncer { // If no parameter was specified for max undelayed query replies, set it // to the default of 5 queries. if cfg.maxUndelayedQueryReplies <= 0 { @@ -432,11 +431,6 @@ func newGossipSyncer(cfg gossipSyncerCfg) *GossipSyncer { interval, cfg.maxUndelayedQueryReplies, ) - filterSema := make(chan struct{}, filterSemaSize) - for i := 0; i < filterSemaSize; i++ { - filterSema <- struct{}{} - } - return &GossipSyncer{ cfg: cfg, rateLimiter: rateLimiter, @@ -444,7 +438,7 @@ func newGossipSyncer(cfg gossipSyncerCfg) *GossipSyncer { historicalSyncReqs: make(chan *historicalSyncReq), gossipMsgs: make(chan lnwire.Message, 100), queryMsgs: make(chan lnwire.Message, 100), - gossipFilterSema: filterSema, + syncerSema: sema, quit: make(chan struct{}), } } @@ -1332,12 +1326,25 @@ func (g *GossipSyncer) ApplyGossipFilter(filter *lnwire.GossipTimestampRange) er return nil } + select { + case <-g.syncerSema: + case <-g.quit: + return ErrGossipSyncerExiting + } + + // We don't put this in a defer because if the goroutine is launched, + // it needs to be called when the goroutine is stopped. + returnSema := func() { + g.syncerSema <- struct{}{} + } + // Now that the remote peer has applied their filter, we'll query the // database for all the messages that are beyond this filter. newUpdatestoSend, err := g.cfg.channelSeries.UpdatesInHorizon( g.cfg.chainHash, startTime, endTime, ) if err != nil { + returnSema() return err } @@ -1347,22 +1354,15 @@ func (g *GossipSyncer) ApplyGossipFilter(filter *lnwire.GossipTimestampRange) er // If we don't have any to send, then we can return early. if len(newUpdatestoSend) == 0 { + returnSema() return nil } - select { - case <-g.gossipFilterSema: - case <-g.quit: - return ErrGossipSyncerExiting - } - // We'll conclude by launching a goroutine to send out any updates. g.wg.Add(1) go func() { defer g.wg.Done() - defer func() { - g.gossipFilterSema <- struct{}{} - }() + defer returnSema() for _, msg := range newUpdatestoSend { err := g.cfg.sendToPeerSync(msg) diff --git a/discovery/syncer_test.go b/discovery/syncer_test.go index 15e2442e15..bb6aec5907 100644 --- a/discovery/syncer_test.go +++ b/discovery/syncer_test.go @@ -211,7 +211,11 @@ func newTestSyncer(hID lnwire.ShortChannelID, markGraphSynced: func() {}, maxQueryChanRangeReplies: maxQueryChanRangeReplies, } - syncer := newGossipSyncer(cfg) + + syncerSema := make(chan struct{}, 1) + syncerSema <- struct{}{} + + syncer := newGossipSyncer(cfg, syncerSema) return msgChan, syncer, cfg.channelSeries.(*mockChannelGraphTimeSeries) } diff --git a/server.go b/server.go index 555ee26274..33f1098484 100644 --- a/server.go +++ b/server.go @@ -1021,6 +1021,8 @@ func newServer(cfg *Config, listenAddrs []net.Addr, return nil, err } + scidCloserMan := discovery.NewScidCloserMan(s.graphDB, s.chanStateDB) + s.authGossiper = discovery.New(discovery.Config{ Graph: s.graphBuilder, Notifier: s.cc.ChainNotifier, @@ -1058,6 +1060,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, GetAlias: s.aliasMgr.GetPeerAlias, FindChannel: s.findChannel, IsStillZombieChannel: s.graphBuilder.IsZombieChannel, + ScidCloser: scidCloserMan, }, nodeKeyDesc) //nolint:lll @@ -3605,11 +3608,34 @@ func (s *server) InboundPeerConnected(conn net.Conn) { } nodePub := conn.(*brontide.Conn).RemotePub() - pubStr := string(nodePub.SerializeCompressed()) + pubSer := nodePub.SerializeCompressed() + pubStr := string(pubSer) + + var pubBytes [33]byte + copy(pubBytes[:], pubSer) s.mu.Lock() defer s.mu.Unlock() + // If the remote node's public key is banned, drop the connection. + shouldDc, dcErr := s.authGossiper.ShouldDisconnect(nodePub) + if dcErr != nil { + srvrLog.Errorf("Unable to check if we should disconnect "+ + "peer: %v", dcErr) + conn.Close() + + return + } + + if shouldDc { + srvrLog.Debugf("Dropping connection for %v since they are "+ + "banned.", pubSer) + + conn.Close() + + return + } + // If we already have an outbound connection to this peer, then ignore // this new connection. if p, ok := s.outboundPeers[pubStr]; ok { @@ -3692,11 +3718,38 @@ func (s *server) OutboundPeerConnected(connReq *connmgr.ConnReq, conn net.Conn) } nodePub := conn.(*brontide.Conn).RemotePub() - pubStr := string(nodePub.SerializeCompressed()) + pubSer := nodePub.SerializeCompressed() + pubStr := string(pubSer) + + var pubBytes [33]byte + copy(pubBytes[:], pubSer) s.mu.Lock() defer s.mu.Unlock() + // If the remote node's public key is banned, drop the connection. + shouldDc, dcErr := s.authGossiper.ShouldDisconnect(nodePub) + if dcErr != nil { + srvrLog.Errorf("Unable to check if we should disconnect "+ + "peer: %v", dcErr) + conn.Close() + + return + } + + if shouldDc { + srvrLog.Debugf("Dropping connection for %v since they are "+ + "banned.", pubSer) + + if connReq != nil { + s.connMgr.Remove(connReq.ID()) + } + + conn.Close() + + return + } + // If we already have an inbound connection to this peer, then ignore // this new connection. if p, ok := s.inboundPeers[pubStr]; ok { From 6111ac34686eee284219016f2275105e13f5e508 Mon Sep 17 00:00:00 2001 From: Eugene Siegel Date: Fri, 16 Aug 2024 14:34:32 -0400 Subject: [PATCH 329/343] release-notes: update for 0.18.3 --- docs/release-notes/release-notes-0.18.3.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 70e46088d5..6389e26329 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -79,6 +79,11 @@ blinded path expiry. # New Features ## Functional Enhancements + +* LND will now [temporarily ban peers](https://github.com/lightningnetwork/lnd/pull/9009) +that send too many invalid `ChannelAnnouncement`. This is only done for LND nodes +that validate `ChannelAnnouncement` messages. + ## RPC Additions * The [SendPaymentRequest](https://github.com/lightningnetwork/lnd/pull/8734) From d111d8d53c60acfe0d414c6c545403ee9531255b Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Tue, 27 Aug 2024 18:52:44 -0500 Subject: [PATCH 330/343] build: bump version to v0.18.3 rc2 --- build/version.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/build/version.go b/build/version.go index e07fdd58a9..f0face37e2 100644 --- a/build/version.go +++ b/build/version.go @@ -47,7 +47,7 @@ const ( // AppPreRelease MUST only contain characters from semanticAlphabet per // the semantic versioning spec. - AppPreRelease = "beta.rc1" + AppPreRelease = "beta.rc2" ) func init() { From c7300f452c72d4352aeff0c6631d5dd38e1328d1 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Wed, 28 Aug 2024 18:23:14 -0500 Subject: [PATCH 331/343] lnwallet: ensure we re-sign retransmitted commits for taproot channels In this commit, we fix an existing bug with the taproot channel type that can cause force closes if a peer disconnects while attempting to send the commitment signature. Before this commit, since the `PartialSig` we send is never committed to disk, the version read wouldn't contain the musig2 partial sig. We never write these signatures to disk, as each time we make a new session, we need to generate fresh nonces to avoid nonce-reuse. Due to the above interaction, if we went to re-send a signature after a disconnection, the `CommitSig` message we sent wouldn't actually contain a `PartialSigWithNonce`, causing a protocol error. --- lnwallet/channel.go | 38 +++++++++++++++++++++++++++++++++++--- 1 file changed, 35 insertions(+), 3 deletions(-) diff --git a/lnwallet/channel.go b/lnwallet/channel.go index e3a777caab..737c1d92e9 100644 --- a/lnwallet/channel.go +++ b/lnwallet/channel.go @@ -3905,6 +3905,27 @@ func (lc *LightningChannel) SignNextCommitment() (*NewCommitState, error) { }, nil } +// resignMusigCommit is used to resign a commitment transaction for taproot +// channels when we need to retransmit a signature after a channel reestablish +// message. Taproot channels use musig2, which means we must use fresh nonces +// each time. After we receive the channel reestablish message, we learn the +// nonce we need to use for the remote party. As a result, we need to generate +// the partial signature again with the new nonce. +func (lc *LightningChannel) resignMusigCommit(commitTx *wire.MsgTx, +) (lnwire.OptPartialSigWithNonceTLV, error) { + + remoteSession := lc.musigSessions.RemoteSession + musig, err := remoteSession.SignCommit(commitTx) + if err != nil { + var none lnwire.OptPartialSigWithNonceTLV + return none, err + } + + partialSig := lnwire.MaybePartialSigWithNonce(musig.ToWireSig()) + + return partialSig, nil +} + // ProcessChanSyncMsg processes a ChannelReestablish message sent by the remote // connection upon re establishment of our connection with them. This method // will return a single message if we are currently out of sync, otherwise a @@ -4182,12 +4203,23 @@ func (lc *LightningChannel) ProcessChanSyncMsg( commitUpdates = append(commitUpdates, logUpdate.UpdateMsg) } + // If this is a taproot channel, then we need to regenerate the + // musig2 signature for the remote party, using their fresh + // nonce. + if lc.channelState.ChanType.IsTaproot() { + partialSig, err := lc.resignMusigCommit( + commitDiff.Commitment.CommitTx, + ) + if err != nil { + return nil, nil, nil, err + } + + commitDiff.CommitSig.PartialSig = partialSig + } + // With the batch of updates accumulated, we'll now re-send the // original CommitSig message required to re-sync their remote // commitment chain with our local version of their chain. - // - // TODO(roasbeef): need to re-sign commitment states w/ - // fresh nonce commitUpdates = append(commitUpdates, commitDiff.CommitSig) // NOTE: If a revocation is not owed, then updates is empty. From d13908881c521f09bd6df8e05c54e0cc69b1d916 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Wed, 28 Aug 2024 18:24:20 -0500 Subject: [PATCH 332/343] lnwallet: extract initMusigNonce from initRevocationWindows This'll be useful later to make some enhancements to the existing unit tests. --- lnwallet/test_utils.go | 36 +++++++++++++++++++++++------------- 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/lnwallet/test_utils.go b/lnwallet/test_utils.go index 0e5d527234..1e5af77031 100644 --- a/lnwallet/test_utils.go +++ b/lnwallet/test_utils.go @@ -419,6 +419,28 @@ func CreateTestChannels(t *testing.T, chanType channeldb.ChannelType, return channelAlice, channelBob, nil } +// initMusigNonce is used to manually setup musig2 nonces for a new channel, +// outside the normal chan-reest flow. +func initMusigNonce(chanA, chanB *LightningChannel) error { + chanANonces, err := chanA.GenMusigNonces() + if err != nil { + return err + } + chanBNonces, err := chanB.GenMusigNonces() + if err != nil { + return err + } + + if err := chanA.InitRemoteMusigNonces(chanBNonces); err != nil { + return err + } + if err := chanB.InitRemoteMusigNonces(chanANonces); err != nil { + return err + } + + return nil +} + // initRevocationWindows simulates a new channel being opened within the p2p // network by populating the initial revocation windows of the passed // commitment state machines. @@ -427,19 +449,7 @@ func initRevocationWindows(chanA, chanB *LightningChannel) error { // either FundingLocked or ChannelReestablish by calling // InitRemoteMusigNonces for both sides. if chanA.channelState.ChanType.IsTaproot() { - chanANonces, err := chanA.GenMusigNonces() - if err != nil { - return err - } - chanBNonces, err := chanB.GenMusigNonces() - if err != nil { - return err - } - - if err := chanA.InitRemoteMusigNonces(chanBNonces); err != nil { - return err - } - if err := chanB.InitRemoteMusigNonces(chanANonces); err != nil { + if err := initMusigNonce(chanA, chanB); err != nil { return err } } From e152a526251268c19ef7660ce8f9b294aab7e6bf Mon Sep 17 00:00:00 2001 From: Alex Akselrod Date: Wed, 21 Aug 2024 17:33:37 -0700 Subject: [PATCH 333/343] invoices/sqldb: query by ChanID when updating AMP invoice preimage --- .golangci.yml | 2 ++ go.mod | 3 +++ go.sum | 2 -- invoices/sql_store.go | 3 +++ sqldb/sqlc/amp_invoices.sql.go | 6 ++++-- sqldb/sqlc/queries/amp_invoices.sql | 4 ++-- 6 files changed, 14 insertions(+), 6 deletions(-) diff --git a/.golangci.yml b/.golangci.yml index f1b4ea3df5..f3de207048 100644 --- a/.golangci.yml +++ b/.golangci.yml @@ -104,11 +104,13 @@ linters-settings: - 'errors.Wrap' gomoddirectives: + replace-local: true replace-allow-list: # See go.mod for the explanation why these are needed. - github.com/ulikunitz/xz - github.com/gogo/protobuf - google.golang.org/protobuf + - github.com/lightningnetwork/lnd/sqldb linters: diff --git a/go.mod b/go.mod index 0e628d18b0..ee656cae08 100644 --- a/go.mod +++ b/go.mod @@ -204,6 +204,9 @@ replace github.com/gogo/protobuf => github.com/gogo/protobuf v1.3.2 // allows us to specify that as an option. replace google.golang.org/protobuf => github.com/lightninglabs/protobuf-go-hex-display v1.30.0-hex-display +// Temporary replace until the next version of sqldb is taged. +replace github.com/lightningnetwork/lnd/sqldb => ./sqldb + // If you change this please also update .github/pull_request_template.md, // docs/INSTALL.md and GO_IMAGE in lnrpc/gen_protos_docker.sh. go 1.21.4 diff --git a/go.sum b/go.sum index d556042dd3..cc4ce1bfd9 100644 --- a/go.sum +++ b/go.sum @@ -458,8 +458,6 @@ github.com/lightningnetwork/lnd/kvdb v1.4.10 h1:vK89IVv1oVH9ubQWU+EmoCQFeVRaC8kf github.com/lightningnetwork/lnd/kvdb v1.4.10/go.mod h1:J2diNABOoII9UrMnxXS5w7vZwP7CA1CStrl8MnIrb3A= github.com/lightningnetwork/lnd/queue v1.1.1 h1:99ovBlpM9B0FRCGYJo6RSFDlt8/vOkQQZznVb18iNMI= github.com/lightningnetwork/lnd/queue v1.1.1/go.mod h1:7A6nC1Qrm32FHuhx/mi1cieAiBZo5O6l8IBIoQxvkz4= -github.com/lightningnetwork/lnd/sqldb v1.0.3 h1:zLfAwOvM+6+3+hahYO9Q3h8pVV0TghAR7iJ5YMLCd3I= -github.com/lightningnetwork/lnd/sqldb v1.0.3/go.mod h1:4cQOkdymlZ1znnjuRNvMoatQGJkRneTj2CoPSPaQhWo= github.com/lightningnetwork/lnd/ticker v1.1.1 h1:J/b6N2hibFtC7JLV77ULQp++QLtCwT6ijJlbdiZFbSM= github.com/lightningnetwork/lnd/ticker v1.1.1/go.mod h1:waPTRAAcwtu7Ji3+3k+u/xH5GHovTsCoSVpho0KDvdA= github.com/lightningnetwork/lnd/tlv v1.2.3 h1:If5ibokA/UoCBGuCKaY6Vn2SJU0l9uAbehCnhTZjEP8= diff --git a/invoices/sql_store.go b/invoices/sql_store.go index 4b488715ba..c6a58c77b9 100644 --- a/invoices/sql_store.go +++ b/invoices/sql_store.go @@ -1116,6 +1116,9 @@ func (s *sqlInvoiceUpdater) AddAmpHtlcPreimage(setID [32]byte, SetID: setID[:], HtlcID: int64(circuitKey.HtlcID), Preimage: preimage[:], + ChanID: strconv.FormatUint( + circuitKey.ChanID.ToUint64(), 10, + ), }, ) if err != nil { diff --git a/sqldb/sqlc/amp_invoices.sql.go b/sqldb/sqlc/amp_invoices.sql.go index 3fcfe4b27b..e47b1c803d 100644 --- a/sqldb/sqlc/amp_invoices.sql.go +++ b/sqldb/sqlc/amp_invoices.sql.go @@ -268,15 +268,16 @@ func (q *Queries) InsertAMPSubInvoiceHTLC(ctx context.Context, arg InsertAMPSubI const updateAMPSubInvoiceHTLCPreimage = `-- name: UpdateAMPSubInvoiceHTLCPreimage :execresult UPDATE amp_sub_invoice_htlcs AS a -SET preimage = $4 +SET preimage = $5 WHERE a.invoice_id = $1 AND a.set_id = $2 AND a.htlc_id = ( - SELECT id FROM invoice_htlcs AS i WHERE i.htlc_id = $3 + SELECT id FROM invoice_htlcs AS i WHERE i.chan_id = $3 AND i.htlc_id = $4 ) ` type UpdateAMPSubInvoiceHTLCPreimageParams struct { InvoiceID int64 SetID []byte + ChanID string HtlcID int64 Preimage []byte } @@ -285,6 +286,7 @@ func (q *Queries) UpdateAMPSubInvoiceHTLCPreimage(ctx context.Context, arg Updat return q.db.ExecContext(ctx, updateAMPSubInvoiceHTLCPreimage, arg.InvoiceID, arg.SetID, + arg.ChanID, arg.HtlcID, arg.Preimage, ) diff --git a/sqldb/sqlc/queries/amp_invoices.sql b/sqldb/sqlc/queries/amp_invoices.sql index 3b6ee76ac3..1fad75e0da 100644 --- a/sqldb/sqlc/queries/amp_invoices.sql +++ b/sqldb/sqlc/queries/amp_invoices.sql @@ -61,7 +61,7 @@ WHERE ( -- name: UpdateAMPSubInvoiceHTLCPreimage :execresult UPDATE amp_sub_invoice_htlcs AS a -SET preimage = $4 +SET preimage = $5 WHERE a.invoice_id = $1 AND a.set_id = $2 AND a.htlc_id = ( - SELECT id FROM invoice_htlcs AS i WHERE i.htlc_id = $3 + SELECT id FROM invoice_htlcs AS i WHERE i.chan_id = $3 AND i.htlc_id = $4 ); From 8c6e24346a372514bec41fc8d31b9de39f82ece1 Mon Sep 17 00:00:00 2001 From: Alex Akselrod Date: Thu, 29 Aug 2024 16:40:15 -0700 Subject: [PATCH 334/343] itest: check that AMP subinvoices are correctly updated w/nativesql --- itest/lnd_amp_test.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/itest/lnd_amp_test.go b/itest/lnd_amp_test.go index 23bfd8654d..9232a8b875 100644 --- a/itest/lnd_amp_test.go +++ b/itest/lnd_amp_test.go @@ -260,7 +260,8 @@ func testSendPaymentAMPInvoiceRepeat(ht *lntest.HarnessTest) { invoiceNtfn := ht.ReceiveInvoiceUpdate(invSubscription) // The notification should signal that the invoice is now settled, and - // should also include the set ID, and show the proper amount paid. + // should also include the set ID, show the proper amount paid, and have + // the correct settle index and time. require.True(ht, invoiceNtfn.Settled) require.Equal(ht, lnrpc.Invoice_SETTLED, invoiceNtfn.State) require.Equal(ht, paymentAmt, int(invoiceNtfn.AmtPaidSat)) @@ -270,6 +271,9 @@ func testSendPaymentAMPInvoiceRepeat(ht *lntest.HarnessTest) { firstSetID, _ = hex.DecodeString(setIDStr) require.Equal(ht, lnrpc.InvoiceHTLCState_SETTLED, ampState.State) + require.GreaterOrEqual(ht, ampState.SettleTime, + rpcInvoice.CreationDate) + require.Equal(ht, uint64(1), ampState.SettleIndex) } // Pay the invoice again, we should get another notification that Dave From cadce23b475abc78d51acd7715518051557bdf11 Mon Sep 17 00:00:00 2001 From: Alex Akselrod Date: Thu, 29 Aug 2024 16:41:50 -0700 Subject: [PATCH 335/343] invoices: ensure AMP subinvoices are correctly updated w/nativesql --- invoices/sql_store.go | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/invoices/sql_store.go b/invoices/sql_store.go index c6a58c77b9..09bb911701 100644 --- a/invoices/sql_store.go +++ b/invoices/sql_store.go @@ -1283,6 +1283,13 @@ func (s *sqlInvoiceUpdater) UpdateAmpState(setID [32]byte, return err } + if settleIndex.Valid { + updatedState := s.invoice.AMPState[setID] + updatedState.SettleIndex = uint64(settleIndex.Int64) + updatedState.SettleDate = s.updateTime.UTC() + s.invoice.AMPState[setID] = updatedState + } + return nil } From b3dc3ed5c8d5628ec50da9f89ae7ffac0bd80e9e Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 30 Aug 2024 11:19:32 +0200 Subject: [PATCH 336/343] channeldb: filter AMP state to relevant set IDs When fetching an AMP invoice we sometimes filter HTLCs to selected set IDs, however we always kept the full AMP state which is irrelevant as it contains state for all AMP payments. This was a side effect of UpdateInvoice needing to serialize the whole invoice when storing after an update but it is an unwanted "feature" as users will need to filter to relevant set when listing an AMP payment or subsribing to an update. --- channeldb/invoices.go | 59 ++++++++++++++++++++++++++++++++++++------- itest/lnd_amp_test.go | 8 +++--- 2 files changed, 54 insertions(+), 13 deletions(-) diff --git a/channeldb/invoices.go b/channeldb/invoices.go index df124b632a..9da504a5d8 100644 --- a/channeldb/invoices.go +++ b/channeldb/invoices.go @@ -269,7 +269,9 @@ func (d *DB) InvoicesAddedSince(_ context.Context, sinceAddIndex uint64) ( // For each key found, we'll look up the actual // invoice, then accumulate it into our return value. - invoice, err := fetchInvoice(invoiceKey, invoices) + invoice, err := fetchInvoice( + invoiceKey, invoices, nil, false, + ) if err != nil { return err } @@ -341,7 +343,9 @@ func (d *DB) LookupInvoice(_ context.Context, ref invpkg.InvoiceRef) ( // An invoice was found, retrieve the remainder of the invoice // body. - i, err := fetchInvoice(invoiceNum, invoices, setID) + i, err := fetchInvoice( + invoiceNum, invoices, []*invpkg.SetID{setID}, true, + ) if err != nil { return err } @@ -468,7 +472,7 @@ func (d *DB) FetchPendingInvoices(_ context.Context) ( return nil } - invoice, err := fetchInvoice(v, invoices) + invoice, err := fetchInvoice(v, invoices, nil, false) if err != nil { return err } @@ -526,7 +530,9 @@ func (d *DB) QueryInvoices(_ context.Context, q invpkg.InvoiceQuery) ( // characteristics for our query and returns the number of items // we have added to our set of invoices. accumulateInvoices := func(_, indexValue []byte) (bool, error) { - invoice, err := fetchInvoice(indexValue, invoices) + invoice, err := fetchInvoice( + indexValue, invoices, nil, false, + ) if err != nil { return false, err } @@ -654,7 +660,9 @@ func (d *DB) UpdateInvoice(_ context.Context, ref invpkg.InvoiceRef, if setIDHint != nil { invSetID = *setIDHint } - invoice, err := fetchInvoice(invoiceNum, invoices, &invSetID) + invoice, err := fetchInvoice( + invoiceNum, invoices, []*invpkg.SetID{&invSetID}, false, + ) if err != nil { return err } @@ -676,8 +684,17 @@ func (d *DB) UpdateInvoice(_ context.Context, ref invpkg.InvoiceRef, updatedInvoice, err = invpkg.UpdateInvoice( payHash, updater.invoice, now, callback, updater, ) + if err != nil { + return err + } - return err + // If this is an AMP update, then limit the returned AMP state + // to only the requested set ID. + if setIDHint != nil { + filterInvoiceAMPState(updatedInvoice, &invSetID) + } + + return nil }, func() { updatedInvoice = nil }) @@ -685,6 +702,25 @@ func (d *DB) UpdateInvoice(_ context.Context, ref invpkg.InvoiceRef, return updatedInvoice, err } +// filterInvoiceAMPState filters the AMP state of the invoice to only include +// state for the specified set IDs. +func filterInvoiceAMPState(invoice *invpkg.Invoice, setIDs ...*invpkg.SetID) { + filteredAMPState := make(invpkg.AMPInvoiceState) + + for _, setID := range setIDs { + if setID == nil { + return + } + + ampState, ok := invoice.AMPState[*setID] + if ok { + filteredAMPState[*setID] = ampState + } + } + + invoice.AMPState = filteredAMPState +} + // ampHTLCsMap is a map of AMP HTLCs affected by an invoice update. type ampHTLCsMap map[invpkg.SetID]map[models.CircuitKey]*invpkg.InvoiceHTLC @@ -1056,7 +1092,8 @@ func (d *DB) InvoicesSettledSince(_ context.Context, sinceSettleIndex uint64) ( // For each key found, we'll look up the actual // invoice, then accumulate it into our return value. invoice, err := fetchInvoice( - invoiceKey[:], invoices, setID, + invoiceKey[:], invoices, []*invpkg.SetID{setID}, + true, ) if err != nil { return err @@ -1485,7 +1522,7 @@ func fetchAmpSubInvoices(invoiceBucket kvdb.RBucket, invoiceNum []byte, // specified by the invoice number. If the setID fields are set, then only the // HTLC information pertaining to those set IDs is returned. func fetchInvoice(invoiceNum []byte, invoices kvdb.RBucket, - setIDs ...*invpkg.SetID) (invpkg.Invoice, error) { + setIDs []*invpkg.SetID, filterAMPState bool) (invpkg.Invoice, error) { invoiceBytes := invoices.Get(invoiceNum) if invoiceBytes == nil { @@ -1518,6 +1555,10 @@ func fetchInvoice(invoiceNum []byte, invoices kvdb.RBucket, log.Errorf("unable to fetch amp htlcs for inv "+ "%v and setIDs %v: %w", invoiceNum, setIDs, err) } + + if filterAMPState { + filterInvoiceAMPState(&invoice, setIDs...) + } } return invoice, nil @@ -2163,7 +2204,7 @@ func (d *DB) DeleteCanceledInvoices(_ context.Context) error { return nil } - invoice, err := fetchInvoice(v, invoices) + invoice, err := fetchInvoice(v, invoices, nil, false) if err != nil { return err } diff --git a/itest/lnd_amp_test.go b/itest/lnd_amp_test.go index 9232a8b875..4b4cfb5a29 100644 --- a/itest/lnd_amp_test.go +++ b/itest/lnd_amp_test.go @@ -303,9 +303,9 @@ func testSendPaymentAMPInvoiceRepeat(ht *lntest.HarnessTest) { // return the "projected" sub-invoice for a given setID. require.Equal(ht, 1, len(invoiceNtfn.Htlcs)) - // However the AMP state index should show that there've been two - // repeated payments to this invoice so far. - require.Equal(ht, 2, len(invoiceNtfn.AmpInvoiceState)) + // The AMP state should also be restricted to a single entry for the + // "projected" sub-invoice. + require.Equal(ht, 1, len(invoiceNtfn.AmpInvoiceState)) // Now we'll look up the invoice using the new LookupInvoice2 RPC call // by the set ID of each of the invoices. @@ -364,7 +364,7 @@ func testSendPaymentAMPInvoiceRepeat(ht *lntest.HarnessTest) { // through. backlogInv := ht.ReceiveInvoiceUpdate(invSub2) require.Equal(ht, 1, len(backlogInv.Htlcs)) - require.Equal(ht, 2, len(backlogInv.AmpInvoiceState)) + require.Equal(ht, 1, len(backlogInv.AmpInvoiceState)) require.True(ht, backlogInv.Settled) require.Equal(ht, paymentAmt*2, int(backlogInv.AmtPaidSat)) } From 929813361474bef520844cc4bda435f974957622 Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 30 Aug 2024 11:22:53 +0200 Subject: [PATCH 337/343] sqldb+invoices: synchronize SQL invoice updater behavior with KV version Previously SQL invoice updater ignored the set ID hint when updating an AMP invoice resulting in update subscriptions returning all of the AMP state as well as all AMP HTLCs. This commit synchornizes behavior with the KV implementation such that we now only return relevant AMP state and HTLCs when updating an AMP invoice. --- invoices/sql_store.go | 38 ++++++++++++++++-- sqldb/sqlc/invoices.sql.go | 70 ++++++++++++++++++++++++++++----- sqldb/sqlc/querier.go | 1 + sqldb/sqlc/queries/invoices.sql | 15 +++++-- 4 files changed, 106 insertions(+), 18 deletions(-) diff --git a/invoices/sql_store.go b/invoices/sql_store.go index 09bb911701..fa92ee56d7 100644 --- a/invoices/sql_store.go +++ b/invoices/sql_store.go @@ -10,6 +10,7 @@ import ( "strconv" "time" + "github.com/davecgh/go-spew/spew" "github.com/lightningnetwork/lnd/channeldb/models" "github.com/lightningnetwork/lnd/clock" "github.com/lightningnetwork/lnd/lntypes" @@ -46,6 +47,9 @@ type SQLInvoiceQueries interface { //nolint:interfacebloat GetInvoice(ctx context.Context, arg sqlc.GetInvoiceParams) ([]sqlc.Invoice, error) + GetInvoiceBySetID(ctx context.Context, setID []byte) ([]sqlc.Invoice, + error) + GetInvoiceFeatures(ctx context.Context, invoiceID int64) ([]sqlc.InvoiceFeature, error) @@ -343,7 +347,22 @@ func (i *SQLStore) fetchInvoice(ctx context.Context, params.SetID = ref.SetID()[:] } - rows, err := db.GetInvoice(ctx, params) + var ( + rows []sqlc.Invoice + err error + ) + + // We need to split the query based on how we intend to look up the + // invoice. If only the set ID is given then we want to have an exact + // match on the set ID. If other fields are given, we want to match on + // those fields and the set ID but with a less strict join condition. + if params.Hash == nil && params.PaymentAddr == nil && + params.SetID != nil { + + rows, err = db.GetInvoiceBySetID(ctx, params.SetID) + } else { + rows, err = db.GetInvoice(ctx, params) + } switch { case len(rows) == 0: return nil, ErrInvoiceNotFound @@ -351,8 +370,8 @@ func (i *SQLStore) fetchInvoice(ctx context.Context, case len(rows) > 1: // In case the reference is ambiguous, meaning it matches more // than one invoice, we'll return an error. - return nil, fmt.Errorf("ambiguous invoice ref: %s", - ref.String()) + return nil, fmt.Errorf("ambiguous invoice ref: %s: %s", + ref.String(), spew.Sdump(rows)) case err != nil: return nil, fmt.Errorf("unable to fetch invoice: %w", err) @@ -1308,13 +1327,24 @@ func (s *sqlInvoiceUpdater) Finalize(_ UpdateType) error { // invoice and is therefore atomic. The fields to update are controlled by the // supplied callback. func (i *SQLStore) UpdateInvoice(ctx context.Context, ref InvoiceRef, - _ *SetID, callback InvoiceUpdateCallback) ( + setID *SetID, callback InvoiceUpdateCallback) ( *Invoice, error) { var updatedInvoice *Invoice txOpt := SQLInvoiceQueriesTxOptions{readOnly: false} txErr := i.db.ExecTx(ctx, &txOpt, func(db SQLInvoiceQueries) error { + if setID != nil { + // Make sure to use the set ID if this is an AMP update. + var setIDBytes [32]byte + copy(setIDBytes[:], setID[:]) + ref.setID = &setIDBytes + + // If we're updating an AMP invoice, we'll also only + // need to fetch the HTLCs for the given set ID. + ref.refModifier = HtlcSetOnlyModifier + } + invoice, err := i.fetchInvoice(ctx, db, ref) if err != nil { return err diff --git a/sqldb/sqlc/invoices.sql.go b/sqldb/sqlc/invoices.sql.go index fde02391c6..5849bca06c 100644 --- a/sqldb/sqlc/invoices.sql.go +++ b/sqldb/sqlc/invoices.sql.go @@ -170,21 +170,22 @@ const getInvoice = `-- name: GetInvoice :many SELECT i.id, i.hash, i.preimage, i.settle_index, i.settled_at, i.memo, i.amount_msat, i.cltv_delta, i.expiry, i.payment_addr, i.payment_request, i.payment_request_hash, i.state, i.amount_paid_msat, i.is_amp, i.is_hodl, i.is_keysend, i.created_at FROM invoices i -LEFT JOIN amp_sub_invoices a on i.id = a.invoice_id +LEFT JOIN amp_sub_invoices a +ON i.id = a.invoice_id +AND ( + a.set_id = $1 OR $1 IS NULL +) WHERE ( - i.id = $1 OR - $1 IS NULL -) AND ( - i.hash = $2 OR + i.id = $2 OR $2 IS NULL ) AND ( - i.preimage = $3 OR + i.hash = $3 OR $3 IS NULL ) AND ( - i.payment_addr = $4 OR + i.preimage = $4 OR $4 IS NULL ) AND ( - a.set_id = $5 OR + i.payment_addr = $5 OR $5 IS NULL ) GROUP BY i.id @@ -192,11 +193,11 @@ LIMIT 2 ` type GetInvoiceParams struct { + SetID []byte AddIndex sql.NullInt64 Hash []byte Preimage []byte PaymentAddr []byte - SetID []byte } // This method may return more than one invoice if filter using multiple fields @@ -204,11 +205,11 @@ type GetInvoiceParams struct { // we bubble up an error in those cases. func (q *Queries) GetInvoice(ctx context.Context, arg GetInvoiceParams) ([]Invoice, error) { rows, err := q.db.QueryContext(ctx, getInvoice, + arg.SetID, arg.AddIndex, arg.Hash, arg.Preimage, arg.PaymentAddr, - arg.SetID, ) if err != nil { return nil, err @@ -250,6 +251,55 @@ func (q *Queries) GetInvoice(ctx context.Context, arg GetInvoiceParams) ([]Invoi return items, nil } +const getInvoiceBySetID = `-- name: GetInvoiceBySetID :many +SELECT i.id, i.hash, i.preimage, i.settle_index, i.settled_at, i.memo, i.amount_msat, i.cltv_delta, i.expiry, i.payment_addr, i.payment_request, i.payment_request_hash, i.state, i.amount_paid_msat, i.is_amp, i.is_hodl, i.is_keysend, i.created_at +FROM invoices i +INNER JOIN amp_sub_invoices a +ON i.id = a.invoice_id AND a.set_id = $1 +` + +func (q *Queries) GetInvoiceBySetID(ctx context.Context, setID []byte) ([]Invoice, error) { + rows, err := q.db.QueryContext(ctx, getInvoiceBySetID, setID) + if err != nil { + return nil, err + } + defer rows.Close() + var items []Invoice + for rows.Next() { + var i Invoice + if err := rows.Scan( + &i.ID, + &i.Hash, + &i.Preimage, + &i.SettleIndex, + &i.SettledAt, + &i.Memo, + &i.AmountMsat, + &i.CltvDelta, + &i.Expiry, + &i.PaymentAddr, + &i.PaymentRequest, + &i.PaymentRequestHash, + &i.State, + &i.AmountPaidMsat, + &i.IsAmp, + &i.IsHodl, + &i.IsKeysend, + &i.CreatedAt, + ); err != nil { + return nil, err + } + items = append(items, i) + } + if err := rows.Close(); err != nil { + return nil, err + } + if err := rows.Err(); err != nil { + return nil, err + } + return items, nil +} + const getInvoiceFeatures = `-- name: GetInvoiceFeatures :many SELECT feature, invoice_id FROM invoice_features diff --git a/sqldb/sqlc/querier.go b/sqldb/sqlc/querier.go index d55d8090a7..04b61c7007 100644 --- a/sqldb/sqlc/querier.go +++ b/sqldb/sqlc/querier.go @@ -21,6 +21,7 @@ type Querier interface { // from different invoices. It is the caller's responsibility to ensure that // we bubble up an error in those cases. GetInvoice(ctx context.Context, arg GetInvoiceParams) ([]Invoice, error) + GetInvoiceBySetID(ctx context.Context, setID []byte) ([]Invoice, error) GetInvoiceFeatures(ctx context.Context, invoiceID int64) ([]InvoiceFeature, error) GetInvoiceHTLCCustomRecords(ctx context.Context, invoiceID int64) ([]GetInvoiceHTLCCustomRecordsRow, error) GetInvoiceHTLCs(ctx context.Context, invoiceID int64) ([]InvoiceHtlc, error) diff --git a/sqldb/sqlc/queries/invoices.sql b/sqldb/sqlc/queries/invoices.sql index 07c5ca418b..b03410a51a 100644 --- a/sqldb/sqlc/queries/invoices.sql +++ b/sqldb/sqlc/queries/invoices.sql @@ -26,7 +26,11 @@ WHERE invoice_id = $1; -- name: GetInvoice :many SELECT i.* FROM invoices i -LEFT JOIN amp_sub_invoices a on i.id = a.invoice_id +LEFT JOIN amp_sub_invoices a +ON i.id = a.invoice_id +AND ( + a.set_id = sqlc.narg('set_id') OR sqlc.narg('set_id') IS NULL +) WHERE ( i.id = sqlc.narg('add_index') OR sqlc.narg('add_index') IS NULL @@ -39,13 +43,16 @@ WHERE ( ) AND ( i.payment_addr = sqlc.narg('payment_addr') OR sqlc.narg('payment_addr') IS NULL -) AND ( - a.set_id = sqlc.narg('set_id') OR - sqlc.narg('set_id') IS NULL ) GROUP BY i.id LIMIT 2; +-- name: GetInvoiceBySetID :many +SELECT i.* +FROM invoices i +INNER JOIN amp_sub_invoices a +ON i.id = a.invoice_id AND a.set_id = $1; + -- name: FilterInvoices :many SELECT invoices.* From b62db3733d833d64d2daf83bfc102ab3ca419def Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 30 Aug 2024 16:31:04 +0200 Subject: [PATCH 338/343] sqldb: fix end date filter when querying invoices Previously, the SQL implementation of the invoice query simply converted the start and end timestamps to time and used them in SQL queries to check for inclusivity. However, this logic failed when the start and end timestamps were equal. This commit addresses and corrects this issue. --- invoices/sql_store.go | 4 +++- sqldb/sqlc/invoices.sql.go | 2 +- sqldb/sqlc/queries/invoices.sql | 2 +- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/invoices/sql_store.go b/invoices/sql_store.go index fa92ee56d7..eb465eabb4 100644 --- a/invoices/sql_store.go +++ b/invoices/sql_store.go @@ -925,8 +925,10 @@ func (i *SQLStore) QueryInvoices(ctx context.Context, } if q.CreationDateEnd != 0 { + // We need to add 1 to the end date as we're + // checking less than the end date in SQL. params.CreatedBefore = sqldb.SQLTime( - time.Unix(q.CreationDateEnd, 0).UTC(), + time.Unix(q.CreationDateEnd+1, 0).UTC(), ) } diff --git a/sqldb/sqlc/invoices.sql.go b/sqldb/sqlc/invoices.sql.go index 5849bca06c..9e31380abb 100644 --- a/sqldb/sqlc/invoices.sql.go +++ b/sqldb/sqlc/invoices.sql.go @@ -78,7 +78,7 @@ WHERE ( created_at >= $6 OR $6 IS NULL ) AND ( - created_at <= $7 OR + created_at < $7 OR $7 IS NULL ) AND ( CASE diff --git a/sqldb/sqlc/queries/invoices.sql b/sqldb/sqlc/queries/invoices.sql index b03410a51a..2a49553e65 100644 --- a/sqldb/sqlc/queries/invoices.sql +++ b/sqldb/sqlc/queries/invoices.sql @@ -76,7 +76,7 @@ WHERE ( created_at >= sqlc.narg('created_after') OR sqlc.narg('created_after') IS NULL ) AND ( - created_at <= sqlc.narg('created_before') OR + created_at < sqlc.narg('created_before') OR sqlc.narg('created_before') IS NULL ) AND ( CASE From 23410190165718af0c6eb773810ce7be12e0dc57 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Wed, 28 Aug 2024 18:26:51 -0500 Subject: [PATCH 339/343] lnwallet: expand chan sync tests to cover taproot channels In this commit, we expand some of the existing chan sync tests to cover taproot channels (the others already did). Along the way, we always assert that the `PartialSig` is populated on retransmission. In addition, we now send the new commit sig rather than the existing in-memory one to test the new logic that re-signs the commitment. --- lnwallet/channel_test.go | 250 +++++++++++++++++++++++++++------------ 1 file changed, 173 insertions(+), 77 deletions(-) diff --git a/lnwallet/channel_test.go b/lnwallet/channel_test.go index fcaf0fc08f..0281c59bd4 100644 --- a/lnwallet/channel_test.go +++ b/lnwallet/channel_test.go @@ -47,8 +47,8 @@ func createHTLC(id int, amount lnwire.MilliSatoshi) (*lnwire.UpdateAddHTLC, [32] } func assertOutputExistsByValue(t *testing.T, commitTx *wire.MsgTx, - value btcutil.Amount) { - + value btcutil.Amount, +) { for _, txOut := range commitTx.TxOut { if txOut.Value == int64(value) { return @@ -63,8 +63,8 @@ func assertOutputExistsByValue(t *testing.T, commitTx *wire.MsgTx, // add, the settle an HTLC between themselves. func testAddSettleWorkflow(t *testing.T, tweakless bool, chanTypeModifier channeldb.ChannelType, - storeFinalHtlcResolutions bool) { - + storeFinalHtlcResolutions bool, +) { // Create a test channel which will be used for the duration of this // unittest. The channel will be funded evenly with Alice having 5 BTC, // and Bob having 5 BTC. @@ -514,7 +514,6 @@ func TestCheckCommitTxSize(t *testing.T) { if 0 > diff || BaseCommitmentTxSizeEstimationError < diff { t.Fatalf("estimation is wrong, diff: %v", diff) } - } // Create a test channel which will be used for the duration of this @@ -1467,8 +1466,8 @@ func TestHTLCSigNumber(t *testing.T) { // createChanWithHTLC is a helper method that sets ut two channels, and // adds HTLCs with the passed values to the channels. createChanWithHTLC := func(htlcValues ...btcutil.Amount) ( - *LightningChannel, *LightningChannel) { - + *LightningChannel, *LightningChannel, + ) { // Create a test channel funded evenly with Alice having 5 BTC, // and Bob having 5 BTC. Alice's dustlimit is 200 sat, while // Bob has 1300 sat. @@ -2367,7 +2366,6 @@ func TestUpdateFeeFail(t *testing.T) { if err == nil { t.Fatalf("expected bob to fail receiving alice's signature") } - } // TestUpdateFeeConcurrentSig tests that the channel can properly handle a fee @@ -2547,7 +2545,6 @@ func TestUpdateFeeSenderCommits(t *testing.T) { // Bob receives revocation from Alice. _, _, _, _, err = bobChannel.ReceiveRevocation(aliceRevocation) require.NoError(t, err, "bob unable to process alice's revocation") - } // TestUpdateFeeReceiverCommits tests that the state machine progresses as @@ -2857,8 +2854,8 @@ func TestAddHTLCNegativeBalance(t *testing.T) { // two channels conclude that they're fully synchronized and don't need to // retransmit any new messages. func assertNoChanSyncNeeded(t *testing.T, aliceChannel *LightningChannel, - bobChannel *LightningChannel) { - + bobChannel *LightningChannel, +) { _, _, line, _ := runtime.Caller(1) aliceChanSyncMsg, err := aliceChannel.channelState.ChanSyncMsg() @@ -3007,19 +3004,11 @@ func restartChannel(channelOld *LightningChannel) (*LightningChannel, error) { return channelNew, nil } -// TestChanSyncOweCommitment tests that if Bob restarts (and then Alice) before -// he receives Alice's CommitSig message, then Alice concludes that she needs -// to re-send the CommitDiff. After the diff has been sent, both nodes should -// resynchronize and be able to complete the dangling commit. -func TestChanSyncOweCommitment(t *testing.T) { - t.Parallel() - +func testChanSyncOweCommitment(t *testing.T, chanType channeldb.ChannelType) { // Create a test channel which will be used for the duration of this // unittest. The channel will be funded evenly with Alice having 5 BTC, // and Bob having 5 BTC. - aliceChannel, bobChannel, err := CreateTestChannels( - t, channeldb.SingleFunderTweaklessBit, - ) + aliceChannel, bobChannel, err := CreateTestChannels(t, chanType) require.NoError(t, err, "unable to create test channels") var fakeOnionBlob [lnwire.OnionPacketSize]byte @@ -3094,6 +3083,15 @@ func TestChanSyncOweCommitment(t *testing.T) { aliceNewCommit, err := aliceChannel.SignNextCommitment() require.NoError(t, err, "unable to sign commitment") + // If this is a taproot channel, then we'll generate fresh verification + // nonce for both sides. + if chanType.IsTaproot() { + _, err = aliceChannel.GenMusigNonces() + require.NoError(t, err) + _, err = bobChannel.GenMusigNonces() + require.NoError(t, err) + } + // Bob doesn't get this message so upon reconnection, they need to // synchronize. Alice should conclude that she owes Bob a commitment, // while Bob should think he's properly synchronized. @@ -3105,7 +3103,7 @@ func TestChanSyncOweCommitment(t *testing.T) { // This is a helper function that asserts Alice concludes that she // needs to retransmit the exact commitment that we failed to send // above. - assertAliceCommitRetransmit := func() { + assertAliceCommitRetransmit := func() *lnwire.CommitSig { aliceMsgsToSend, _, _, err := aliceChannel.ProcessChanSyncMsg( bobSyncMsg, ) @@ -3170,12 +3168,25 @@ func TestChanSyncOweCommitment(t *testing.T) { len(commitSigMsg.HtlcSigs)) } for i, htlcSig := range commitSigMsg.HtlcSigs { - if htlcSig != aliceNewCommit.HtlcSigs[i] { + if !bytes.Equal(htlcSig.RawBytes(), + aliceNewCommit.HtlcSigs[i].RawBytes()) { + t.Fatalf("htlc sig msgs don't match: "+ - "expected %x got %x", - aliceNewCommit.HtlcSigs[i], htlcSig) + "expected %v got %v", + spew.Sdump(aliceNewCommit.HtlcSigs[i]), + spew.Sdump(htlcSig)) } } + + // If this is a taproot channel, then partial sig information + // should be present in the commit sig sent over. This + // signature will be re-regenerated, so we can't compare it + // with the old one. + if chanType.IsTaproot() { + require.True(t, commitSigMsg.PartialSig.IsSome()) + } + + return commitSigMsg } // Alice should detect that she needs to re-send 5 messages: the 3 @@ -3196,14 +3207,19 @@ func TestChanSyncOweCommitment(t *testing.T) { // send the exact same set of messages. aliceChannel, err = restartChannel(aliceChannel) require.NoError(t, err, "unable to restart alice") - assertAliceCommitRetransmit() - // TODO(roasbeef): restart bob as well??? + // To properly simulate a restart, we'll use the *new* signature that + // would send in an actual p2p setting. + aliceReCommitSig := assertAliceCommitRetransmit() // At this point, we should be able to resume the prior state update // without any issues, resulting in Alice settling the 3 htlc's, and // adding one of her own. - err = bobChannel.ReceiveNewCommitment(aliceNewCommit.CommitSigs) + err = bobChannel.ReceiveNewCommitment(&CommitSigs{ + CommitSig: aliceReCommitSig.CommitSig, + HtlcSigs: aliceReCommitSig.HtlcSigs, + PartialSig: aliceReCommitSig.PartialSig, + }) require.NoError(t, err, "bob unable to process alice's commitment") bobRevocation, _, _, err := bobChannel.RevokeCurrentCommitment() require.NoError(t, err, "unable to revoke bob commitment") @@ -3290,16 +3306,46 @@ func TestChanSyncOweCommitment(t *testing.T) { } } -// TestChanSyncOweCommitmentPendingRemote asserts that local updates are applied -// to the remote commit across restarts. -func TestChanSyncOweCommitmentPendingRemote(t *testing.T) { +// TestChanSyncOweCommitment tests that if Bob restarts (and then Alice) before +// he receives Alice's CommitSig message, then Alice concludes that she needs +// to re-send the CommitDiff. After the diff has been sent, both nodes should +// resynchronize and be able to complete the dangling commit. +func TestChanSyncOweCommitment(t *testing.T) { t.Parallel() + testCases := []struct { + name string + chanType channeldb.ChannelType + }{ + { + name: "tweakless", + chanType: channeldb.SingleFunderTweaklessBit, + }, + { + name: "anchors", + chanType: channeldb.SingleFunderTweaklessBit | + channeldb.AnchorOutputsBit, + }, + { + name: "taproot", + chanType: channeldb.SingleFunderTweaklessBit | + channeldb.AnchorOutputsBit | + channeldb.SimpleTaprootFeatureBit, + }, + } + for _, tc := range testCases { + t.Run(tc.name, func(t *testing.T) { + testChanSyncOweCommitment(t, tc.chanType) + }) + } +} + +func testChanSyncOweCommitmentPendingRemote(t *testing.T, + chanType channeldb.ChannelType, +) { // Create a test channel which will be used for the duration of this // unittest. - aliceChannel, bobChannel, err := CreateTestChannels( - t, channeldb.SingleFunderTweaklessBit, - ) + aliceChannel, bobChannel, err := CreateTestChannels(t, chanType) require.NoError(t, err, "unable to create test channels") var fakeOnionBlob [lnwire.OnionPacketSize]byte @@ -3382,6 +3428,12 @@ func TestChanSyncOweCommitmentPendingRemote(t *testing.T) { bobChannel, err = restartChannel(bobChannel) require.NoError(t, err, "unable to restart bob") + // If this is a taproot channel, then since Bob just restarted, we need + // to exchange nonces once again. + if chanType.IsTaproot() { + require.NoError(t, initMusigNonce(aliceChannel, bobChannel)) + } + // Bob signs the commitment he owes. bobNewCommit, err := bobChannel.SignNextCommitment() require.NoError(t, err, "unable to sign commitment") @@ -3407,6 +3459,38 @@ func TestChanSyncOweCommitmentPendingRemote(t *testing.T) { } } +// TestChanSyncOweCommitmentPendingRemote asserts that local updates are applied +// to the remote commit across restarts. +func TestChanSyncOweCommitmentPendingRemote(t *testing.T) { + t.Parallel() + + testCases := []struct { + name string + chanType channeldb.ChannelType + }{ + { + name: "tweakless", + chanType: channeldb.SingleFunderTweaklessBit, + }, + { + name: "anchors", + chanType: channeldb.SingleFunderTweaklessBit | + channeldb.AnchorOutputsBit, + }, + { + name: "taproot", + chanType: channeldb.SingleFunderTweaklessBit | + channeldb.AnchorOutputsBit | + channeldb.SimpleTaprootFeatureBit, + }, + } + for _, tc := range testCases { + t.Run(tc.name, func(t *testing.T) { + testChanSyncOweCommitmentPendingRemote(t, tc.chanType) + }) + } +} + // testChanSyncOweRevocation is the internal version of // TestChanSyncOweRevocation that is parameterized based on the type of channel // being used in the test. @@ -3556,8 +3640,6 @@ func testChanSyncOweRevocation(t *testing.T, chanType channeldb.ChannelType) { assertAliceOwesRevoke() - // TODO(roasbeef): restart bob too??? - // We'll continue by then allowing bob to process Alice's revocation // message. _, _, _, _, err = bobChannel.ReceiveRevocation(aliceRevocation) @@ -3606,11 +3688,19 @@ func TestChanSyncOweRevocation(t *testing.T) { testChanSyncOweRevocation(t, taprootBits) }) + t.Run("taproot", func(t *testing.T) { + taprootBits := channeldb.SimpleTaprootFeatureBit | + channeldb.AnchorOutputsBit | + channeldb.ZeroHtlcTxFeeBit | + channeldb.SingleFunderTweaklessBit + + testChanSyncOweRevocation(t, taprootBits) + }) } func testChanSyncOweRevocationAndCommit(t *testing.T, - chanType channeldb.ChannelType) { - + chanType channeldb.ChannelType, +) { // Create a test channel which will be used for the duration of this // unittest. The channel will be funded evenly with Alice having 5 BTC, // and Bob having 5 BTC. @@ -3735,6 +3825,14 @@ func testChanSyncOweRevocationAndCommit(t *testing.T, bobNewCommit.HtlcSigs[i]) } } + + // If this is a taproot channel, then partial sig information + // should be present in the commit sig sent over. This + // signature will be re-regenerated, so we can't compare it + // with the old one. + if chanType.IsTaproot() { + require.True(t, bobReCommitSigMsg.PartialSig.IsSome()) + } } // We expect Bob to send exactly two messages: first his revocation @@ -3794,8 +3892,8 @@ func TestChanSyncOweRevocationAndCommit(t *testing.T) { } func testChanSyncOweRevocationAndCommitForceTransition(t *testing.T, - chanType channeldb.ChannelType) { - + chanType channeldb.ChannelType, +) { // Create a test channel which will be used for the duration of this // unittest. The channel will be funded evenly with Alice having 5 BTC, // and Bob having 5 BTC. @@ -4803,8 +4901,8 @@ func TestChanAvailableBandwidth(t *testing.T) { ) assertBandwidthEstimateCorrect := func(aliceInitiate bool, - numNonDustHtlcsOnCommit lntypes.WeightUnit) { - + numNonDustHtlcsOnCommit lntypes.WeightUnit, + ) { // With the HTLC's added, we'll now query the AvailableBalance // method for the current available channel bandwidth from // Alice's PoV. @@ -4976,8 +5074,8 @@ func TestChanAvailableBalanceNearHtlcFee(t *testing.T) { // Helper method to check the current reported balance. checkBalance := func(t *testing.T, expBalanceAlice, - expBalanceBob lnwire.MilliSatoshi) { - + expBalanceBob lnwire.MilliSatoshi, + ) { t.Helper() aliceBalance := aliceChannel.AvailableBalance() if aliceBalance != expBalanceAlice { @@ -6248,8 +6346,8 @@ func TestMaxPendingAmount(t *testing.T) { } func assertChannelBalances(t *testing.T, alice, bob *LightningChannel, - aliceBalance, bobBalance btcutil.Amount) { - + aliceBalance, bobBalance btcutil.Amount, +) { _, _, line, _ := runtime.Caller(1) aliceSelfBalance := alice.channelState.LocalCommitment.LocalBalance.ToSatoshis() @@ -6940,7 +7038,8 @@ func assertInLog(t *testing.T, log *updateLog, numAdds, numFails int) { // assertInLogs asserts that the expected number of Adds and Fails occurs in // the local and remote update log of the given channel. func assertInLogs(t *testing.T, channel *LightningChannel, numAddsLocal, - numFailsLocal, numAddsRemote, numFailsRemote int) { + numFailsLocal, numAddsRemote, numFailsRemote int, +) { assertInLog(t, channel.localUpdateLog, numAddsLocal, numFailsLocal) assertInLog(t, channel.remoteUpdateLog, numAddsRemote, numFailsRemote) } @@ -6949,8 +7048,8 @@ func assertInLogs(t *testing.T, channel *LightningChannel, numAddsLocal, // state, and asserts that the new channel has had its logs restored to the // expected state. func restoreAndAssert(t *testing.T, channel *LightningChannel, numAddsLocal, - numFailsLocal, numAddsRemote, numFailsRemote int) { - + numFailsLocal, numAddsRemote, numFailsRemote int, +) { newChannel, err := NewLightningChannel( channel.Signer, channel.channelState, channel.sigPool, @@ -7211,8 +7310,8 @@ func TestChannelRestoreCommitHeight(t *testing.T) { // log after a restore. restoreAndAssertCommitHeights := func(t *testing.T, channel *LightningChannel, remoteLog bool, htlcIndex uint64, - expLocal, expRemote uint64) *LightningChannel { - + expLocal, expRemote uint64, + ) *LightningChannel { newChannel, err := NewLightningChannel( channel.Signer, channel.channelState, channel.sigPool, ) @@ -7667,10 +7766,9 @@ func TestIdealCommitFeeRate(t *testing.T) { // inputs fed to IdealCommitFeeRate. propertyTest := func(c *LightningChannel) func(ma maxAlloc, netFee, minRelayFee, maxAnchorFee fee) bool { - return func(ma maxAlloc, netFee, minRelayFee, - maxAnchorFee fee) bool { - + maxAnchorFee fee, + ) bool { idealFeeRate := c.IdealCommitFeeRate( chainfee.SatPerKWeight(netFee), chainfee.SatPerKWeight(minRelayFee), @@ -7715,8 +7813,8 @@ func TestIdealCommitFeeRate(t *testing.T) { // a channel is allowed to allocate to fees. It does not take a minimum // fee rate into account. maxFeeRate := func(c *LightningChannel, - maxFeeAlloc float64) chainfee.SatPerKWeight { - + maxFeeAlloc float64, + ) chainfee.SatPerKWeight { balance, weight := c.availableBalance(AdditionalHtlc) feeRate := c.localCommitChain.tip().feePerKw currentFee := feeRate.FeeForWeight(weight) @@ -7885,8 +7983,8 @@ func TestIdealCommitFeeRate(t *testing.T) { assertIdealFeeRate := func(c *LightningChannel, netFee, minRelay, maxAnchorCommit chainfee.SatPerKWeight, - maxFeeAlloc float64, expectedFeeRate chainfee.SatPerKWeight) { - + maxFeeAlloc float64, expectedFeeRate chainfee.SatPerKWeight, + ) { feeRate := c.IdealCommitFeeRate( netFee, minRelay, maxAnchorCommit, maxFeeAlloc, ) @@ -8582,8 +8680,8 @@ func TestEvaluateView(t *testing.T) { // checkExpectedHtlcs checks that a set of htlcs that we have contains all the // htlcs we expect. func checkExpectedHtlcs(t *testing.T, actual []*PaymentDescriptor, - expected map[uint64]bool) { - + expected map[uint64]bool, +) { if len(expected) != len(actual) { t.Fatalf("expected: %v htlcs, got: %v", len(expected), len(actual)) @@ -9178,13 +9276,11 @@ func TestProcessAddRemoveEntry(t *testing.T) { EntryType: test.updateType, } - var ( - // Start both parties off with an initial - // balance. Copy by value here so that we do - // not mutate the startBalance constant. - ourBalance, theirBalance = startBalance, - startBalance - ) + // Start both parties off with an initial + // balance. Copy by value here so that we do + // not mutate the startBalance constant. + ourBalance, theirBalance := startBalance, + startBalance // Choose the processing function we need based on the // update type. Process remove is used for settles, @@ -9710,8 +9806,8 @@ func TestIsChannelClean(t *testing.T) { // assertCleanOrDirty is a helper function that asserts that both channels are // clean if clean is true, and dirty if clean is false. func assertCleanOrDirty(clean bool, alice, bob *LightningChannel, - t *testing.T) { - + t *testing.T, +) { t.Helper() if clean { @@ -9749,8 +9845,8 @@ func testGetDustSum(t *testing.T, chantype channeldb.ChannelType) { // Use a function closure to assert the dust sum for a passed channel's // local and remote commitments match the expected values. checkDust := func(c *LightningChannel, expLocal, - expRemote lnwire.MilliSatoshi) { - + expRemote lnwire.MilliSatoshi, + ) { localDustSum := c.GetDustSum( lntypes.Local, fn.None[chainfee.SatPerKWeight](), ) @@ -9905,8 +10001,8 @@ func testGetDustSum(t *testing.T, chantype channeldb.ChannelType) { // deriveDummyRetributionParams is a helper function that derives a list of // dummy params to assist retribution creation related tests. func deriveDummyRetributionParams(chanState *channeldb.OpenChannel) (uint32, - *CommitmentKeyRing, chainhash.Hash) { - + *CommitmentKeyRing, chainhash.Hash, +) { config := chanState.RemoteChanCfg commitHash := chanState.RemoteCommitment.CommitTx.TxHash() keyRing := DeriveCommitmentKeys( @@ -10283,8 +10379,8 @@ func testNewBreachRetribution(t *testing.T, chanType channeldb.ChannelType) { // assertRetribution is a helper closure that checks a given breach // retribution has the expected values on certain fields. assertRetribution := func(br *BreachRetribution, - localIndex, remoteIndex uint32) { - + localIndex, remoteIndex uint32, + ) { require.Equal(t, txid, br.BreachTxHash) require.Equal(t, chainHash, br.ChainHash) require.Equal(t, breachHeight, br.BreachHeight) @@ -10399,8 +10495,8 @@ func TestExtractPayDescs(t *testing.T) { // assertPayDescMatchHTLC compares a PaymentDescriptor to a channeldb.HTLC and // asserts that the fields are matched. func assertPayDescMatchHTLC(t *testing.T, pd PaymentDescriptor, - htlc channeldb.HTLC) { - + htlc channeldb.HTLC, +) { require := require.New(t) require.EqualValues(htlc.RHash, pd.RHash, "RHash") From d4fbc815c621d87c8e19f51016b2119bbc21d55e Mon Sep 17 00:00:00 2001 From: Andras Banki-Horvath Date: Fri, 30 Aug 2024 17:58:10 +0200 Subject: [PATCH 340/343] docs: update docs/release-notes/release-notes-0.18.3.md --- docs/release-notes/release-notes-0.18.3.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/docs/release-notes/release-notes-0.18.3.md b/docs/release-notes/release-notes-0.18.3.md index 6389e26329..804f332a9a 100644 --- a/docs/release-notes/release-notes-0.18.3.md +++ b/docs/release-notes/release-notes-0.18.3.md @@ -253,6 +253,11 @@ that validate `ChannelAnnouncement` messages. our health checker to correctly shut down LND if network partitioning occurs towards the etcd cluster. +* [Fix](https://github.com/lightningnetwork/lnd/pull/9050) some inconsistencies + to make the native SQL invoice DB compatible with the KV implementation. + Furthermore fix a native SQL invoice issue where AMP subinvoice HTLCs are + sometimes updated incorrectly on settlement. + ## Code Health * [Move graph building and @@ -269,6 +274,7 @@ that validate `ChannelAnnouncement` messages. # Contributors (Alphabetical Order) +* Alex Akselrod * Andras Banki-Horvath * bitromortac * Bufo From d85ce8415bea7864e5c34f180419172ef1de6935 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Fri, 6 Sep 2024 12:27:12 -0700 Subject: [PATCH 341/343] build: bump version to v0.18.3 rc3 --- build/version.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/build/version.go b/build/version.go index f0face37e2..b3bcfb611d 100644 --- a/build/version.go +++ b/build/version.go @@ -47,7 +47,7 @@ const ( // AppPreRelease MUST only contain characters from semanticAlphabet per // the semantic versioning spec. - AppPreRelease = "beta.rc2" + AppPreRelease = "beta.rc3" ) func init() { From 6eea5f3b13c3a566b2b096c0d31dec88638296a8 Mon Sep 17 00:00:00 2001 From: Olaoluwa Osuntokun Date: Tue, 10 Sep 2024 19:30:27 -0700 Subject: [PATCH 342/343] build: bump version to v0.18.3 --- build/version.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/build/version.go b/build/version.go index b3bcfb611d..fe2486b8fe 100644 --- a/build/version.go +++ b/build/version.go @@ -47,7 +47,7 @@ const ( // AppPreRelease MUST only contain characters from semanticAlphabet per // the semantic versioning spec. - AppPreRelease = "beta.rc3" + AppPreRelease = "beta" ) func init() { From ae4bb33c6a3db8b7cc01d18fdf46e600ead9bed4 Mon Sep 17 00:00:00 2001 From: rockstardev Date: Thu, 21 Nov 2019 22:21:25 -0600 Subject: [PATCH 343/343] Adding BtcPayServer related files and resources --- .circleci/config.yml | 107 +++++++++++++++++++++++++++++++++ .dockerignore | 4 ++ .gitattributes | 4 ++ Makefile | 8 +++ docker-entrypoint.sh | 100 +++++++++++++++++++++++++++++++ docker-initunlocklnd.sh | 130 ++++++++++++++++++++++++++++++++++++++++ linuxamd64.Dockerfile | 81 +++++++++++++++++++++++++ linuxarm32v7.Dockerfile | 81 +++++++++++++++++++++++++ linuxarm64v8.Dockerfile | 81 +++++++++++++++++++++++++ 9 files changed, 596 insertions(+) create mode 100644 .circleci/config.yml create mode 100644 .dockerignore create mode 100644 .gitattributes create mode 100755 docker-entrypoint.sh create mode 100755 docker-initunlocklnd.sh create mode 100644 linuxamd64.Dockerfile create mode 100644 linuxarm32v7.Dockerfile create mode 100644 linuxarm64v8.Dockerfile diff --git a/.circleci/config.yml b/.circleci/config.yml new file mode 100644 index 0000000000..132586898e --- /dev/null +++ b/.circleci/config.yml @@ -0,0 +1,107 @@ +version: 2 +jobs: + # publish jobs require $DOCKERHUB_REPO, $DOCKERHUB_USER, $DOCKERHUB_PASS defined + amd64: + machine: + enabled: true + steps: + - checkout + - run: + command: | + LATEST_TAG=${CIRCLE_TAG:8} #trim "basedon-" from tag + # + sudo docker build --pull -t $DOCKERHUB_REPO:$LATEST_TAG-amd64 -f linuxamd64.Dockerfile . + sudo docker login --username=$DOCKERHUB_USER --password=$DOCKERHUB_PASS + sudo docker push $DOCKERHUB_REPO:$LATEST_TAG-amd64 + + arm32: + machine: + enabled: true + steps: + - checkout + - run: + command: | + LATEST_TAG=${CIRCLE_TAG:8} #trim "basedon-" from tag + # + # Make sure the builder is copy the arm emulator + sudo docker run --rm --privileged multiarch/qemu-user-static:register --reset + sudo apt update + sudo apt install -y qemu qemu-user-static qemu-user binfmt-support + + sudo cp /usr/bin/qemu-arm-static "qemu-arm-static" + sed -i -e 's/#EnableQEMU //g' "linuxarm32v7.Dockerfile" + sudo docker build --pull -t $DOCKERHUB_REPO:$LATEST_TAG-arm32v7 -f linuxarm32v7.Dockerfile . + sudo docker login --username=$DOCKERHUB_USER --password=$DOCKERHUB_PASS + sudo docker push $DOCKERHUB_REPO:$LATEST_TAG-arm32v7 + + arm64: + machine: + enabled: true + steps: + - checkout + - run: + command: | + LATEST_TAG=${CIRCLE_TAG:8} #trim "basedon-" from tag + # + # Make sure the builder is copy the arm emulator + sudo docker run --rm --privileged multiarch/qemu-user-static:register --reset + sudo apt update + sudo apt install -y qemu qemu-user-static qemu-user binfmt-support + + sudo cp /usr/bin/qemu-aarch64-static "qemu-aarch64-static" + sed -i -e 's/#EnableQEMU //g' "linuxarm64v8.Dockerfile" + sudo docker build --pull -t $DOCKERHUB_REPO:$LATEST_TAG-arm64v8 -f linuxarm64v8.Dockerfile . + sudo docker login --username=$DOCKERHUB_USER --password=$DOCKERHUB_PASS + sudo docker push $DOCKERHUB_REPO:$LATEST_TAG-arm64v8 + + multiarch: + machine: + enabled: true + image: default + steps: + - run: + command: | + # + sudo docker login --username=$DOCKERHUB_USER --password=$DOCKERHUB_PASS + # + LATEST_TAG=${CIRCLE_TAG:8} #trim "basedon-" from tag + sudo docker manifest create --amend $DOCKERHUB_REPO:$LATEST_TAG $DOCKERHUB_REPO:$LATEST_TAG-amd64 $DOCKERHUB_REPO:$LATEST_TAG-arm32v7 $DOCKERHUB_REPO:$LATEST_TAG-arm64v8 + sudo docker manifest annotate $DOCKERHUB_REPO:$LATEST_TAG $DOCKERHUB_REPO:$LATEST_TAG-amd64 --os linux --arch amd64 + sudo docker manifest annotate $DOCKERHUB_REPO:$LATEST_TAG $DOCKERHUB_REPO:$LATEST_TAG-arm32v7 --os linux --arch arm --variant v7 + sudo docker manifest annotate $DOCKERHUB_REPO:$LATEST_TAG $DOCKERHUB_REPO:$LATEST_TAG-arm64v8 --os linux --arch arm64 --variant v8 + sudo docker manifest push $DOCKERHUB_REPO:$LATEST_TAG -p + +workflows: + version: 2 + publish: + jobs: + - amd64: + filters: + # ignore any commit on any branch by default + branches: + ignore: /.*/ + # only act on version tags + tags: + only: /basedon-.+/ + - arm32: + filters: + branches: + ignore: /.*/ + tags: + only: /basedon-.+/ + - arm64: + filters: + branches: + ignore: /.*/ + tags: + only: /basedon-.+/ + - multiarch: + requires: + - amd64 + - arm32 + - arm64 + filters: + branches: + ignore: /.*/ + tags: + only: /basedon-.+/ diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000000..a7b21cf54b --- /dev/null +++ b/.dockerignore @@ -0,0 +1,4 @@ +Dockerfile +linuxamd64.Dockerfile +linuxarm32v7.Dockerfile +.circleci/ \ No newline at end of file diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000000..6fcdd9127c --- /dev/null +++ b/.gitattributes @@ -0,0 +1,4 @@ +# Declare files that will always have CRLF line endings on checkout. +*.sh text eol=lf +*.go text eol=lf +Makefile text eol=lf diff --git a/Makefile b/Makefile index d7e726df1f..6a6aba2b31 100644 --- a/Makefile +++ b/Makefile @@ -23,6 +23,9 @@ ANDROID_BUILD := $(ANDROID_BUILD_DIR)/Lndmobile.aar COMMIT := $(shell git describe --tags --dirty) +COMMIT := $(subst -dirty,-fresh-btcpay,$(COMMIT)) +LDFLAGS := -ldflags "-X $(PKG)/build.Commit=$(COMMIT)" + # Determine the minor version of the active Go installation. ACTIVE_GO_VERSION := $(shell go version | sed -nre 's/^[^0-9]*(([0-9]+\.)*[0-9]+).*/\1/p') ACTIVE_GO_VERSION_MINOR := $(shell echo $(ACTIVE_GO_VERSION) | cut -d. -f2) @@ -32,6 +35,11 @@ ifeq ($(shell expr $(ACTIVE_GO_VERSION_MINOR) \>= 21), 1) LOOPVARFIX := GOEXPERIMENT=loopvar endif +LOOPVARFIX := +ifeq ($(shell expr $(GO_VERSION_MINOR) \>= 21), 1) + LOOPVARFIX := GOEXPERIMENT=loopvar +endif + # GO_VERSION is the Go version used for the release build, docker files, and # GitHub Actions. This is the reference version for the project. All other Go # versions are checked against this version. diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh new file mode 100755 index 0000000000..19ea29fef9 --- /dev/null +++ b/docker-entrypoint.sh @@ -0,0 +1,100 @@ +#!/bin/bash +set -e + +if [[ "$1" == "lnd" || "$1" == "lncli" ]]; then + mkdir -p "$LND_DATA" + + # removing noseedbackup=1 flag, adding it below if needed for legacy + LND_EXTRA_ARGS=${LND_EXTRA_ARGS/noseedbackup=1/} + + cat <<-EOF > "$LND_DATA/lnd.conf" + ${LND_EXTRA_ARGS} + listen=0.0.0.0:${LND_PORT} + EOF + + if [[ "${LND_EXTERNALIP}" ]]; then + echo "externalip=$LND_EXTERNALIP:${LND_PORT}" >> "$LND_DATA/lnd.conf" + fi + + if [[ "${LND_ALIAS}" ]]; then + # This allow to strip this parameter if LND_ALIAS is empty or null, and truncate it + LND_ALIAS="$(echo "$LND_ALIAS" | cut -c -32)" + echo "alias=$LND_ALIAS" >> "$LND_DATA/lnd.conf" + echo "alias=$LND_ALIAS added to $LND_DATA/lnd.conf" + fi + + if [[ $LND_CHAIN && $LND_ENVIRONMENT ]]; then + echo "LND_CHAIN=$LND_CHAIN" + echo "LND_ENVIRONMENT=$LND_ENVIRONMENT" + + NETWORK="" + + shopt -s nocasematch + if [[ $LND_CHAIN == "btc" ]]; then + NETWORK="bitcoin" + elif [[ $LND_CHAIN == "ltc" ]]; then + NETWORK="litecoin" + else + echo "Unknown value for LND_CHAIN, expected btc or ltc" + fi + + ENV="" + # Make sure we use correct casing for LND_Environment + if [[ $LND_ENVIRONMENT == "mainnet" ]]; then + ENV="mainnet" + elif [[ $LND_ENVIRONMENT == "testnet" ]]; then + ENV="testnet" + elif [[ $LND_ENVIRONMENT == "signet" ]]; then + ENV="signet" + elif [[ $LND_ENVIRONMENT == "regtest" ]]; then + ENV="regtest" + else + echo "Unknown value for LND_ENVIRONMENT, expected mainnet, testnet, signet or regtest" + fi + shopt -u nocasematch + + if [[ $ENV && $NETWORK ]]; then + echo " + $NETWORK.active=1 + $NETWORK.$ENV=1 + " >> "$LND_DATA/lnd.conf" + echo "Added $NETWORK.active and $NETWORK.$ENV to config file $LND_DATA/lnd.conf" + else + echo "LND_CHAIN or LND_ENVIRONMENT is not set correctly" + fi + fi + + if [[ "${LND_READY_FILE}" ]]; then + echo "Waiting $LND_READY_FILE to be created..." + while [ ! -f "$LND_READY_FILE" ]; do sleep 1; done + echo "The chain is fully synched" + fi + + if [[ "${LND_HIDDENSERVICE_HOSTNAME_FILE}" ]]; then + echo "Waiting $LND_HIDDENSERVICE_HOSTNAME_FILE to be created by tor..." + while [ ! -f "$LND_HIDDENSERVICE_HOSTNAME_FILE" ]; do sleep 1; done + HIDDENSERVICE_ONION="$(head -n 1 "$LND_HIDDENSERVICE_HOSTNAME_FILE"):${LND_PORT}" + echo "externalip=$HIDDENSERVICE_ONION" >> "$LND_DATA/lnd.conf" + echo "externalip=$HIDDENSERVICE_ONION added to $LND_DATA/lnd.conf" + fi + + # if it is legacy installation, then trigger warning and add noseedbackup=1 to config if needed + WALLET_FILE="$LND_DATA/data/chain/$NETWORK/$ENV/wallet.db" + LNDUNLOCK_FILE=${WALLET_FILE/wallet.db/walletunlock.json} + if [ -f "$WALLET_FILE" -a ! -f "$LNDUNLOCK_FILE" ]; then + echo "[lnd_unlock_entrypoint] WARNING: UNLOCK FILE DOESN'T EXIST! MIGRATE LEGACY INSTALLATION TO NEW VERSION ASAP" + echo "noseedbackup=1" >> "$LND_DATA/lnd.conf" + fi + + # hit up the auto initializer and unlocker on separate process to do it's work + ./docker-initunlocklnd.sh $NETWORK $ENV & + + ln -sfn "$LND_DATA" /root/.lnd + ln -sfn "$LND_BITCOIND" /root/.bitcoin + ln -sfn "$LND_LITECOIND" /root/.litecoin + ln -sfn "$LND_BTCD" /root/.btcd + + exec "$@" +else + exec "$@" +fi diff --git a/docker-initunlocklnd.sh b/docker-initunlocklnd.sh new file mode 100755 index 0000000000..ab8ea2d4e3 --- /dev/null +++ b/docker-initunlocklnd.sh @@ -0,0 +1,130 @@ +#!/bin/bash +set -e + +echo "[initunlocklnd] Waiting 2 seconds for lnd..." +sleep 2 + +# ensure that lnd is up and running before proceeding +while + CA_CERT="$LND_DATA/tls.cert" + LND_WALLET_DIR="$LND_DATA/data/chain/$1/$2/" + MACAROON_FILE="$LND_DATA/admin.macaroon" + MACAROON_HEADER="r0ckstar:dev" + if [ -f "$MACAROON_FILE" ]; then + MACAROON_HEADER="Grpc-Metadata-macaroon:$(xxd -p -c 10000 "$MACAROON_FILE" | tr -d ' ')" + fi + + STATUS_CODE=$(curl -s --cacert "$CA_CERT" -H $MACAROON_HEADER -o /dev/null -w "%{http_code}" $LND_REST_LISTEN_HOST/v1/getinfo) + # if lnd is running it'll either return 200 if unlocked (noseedbackup=1) or 404 if it needs initialization/unlock + if [ "$STATUS_CODE" == "200" ] || [ "$STATUS_CODE" == "404" ] ; then + break + # or 500 from version 0.13.1 onwards because it breaks with `wallet not created, create one to enable full RPC access` error + elif [ "$STATUS_CODE" == "500" ] ; then + STATUS_CODE=$(curl -s --cacert "$CA_CERT" -H $MACAROON_HEADER $LND_REST_LISTEN_HOST/v1/state) + if [ "$STATUS_CODE" == "{\"state\":\"NON_EXISTING\"}" ] || [ "$STATUS_CODE" == "{\"state\":\"LOCKED\"}" ] ; then + break # wallet ready to be either created or unlocked + fi + # for {\"state\":\"UNLOCKED\"}" we will depend on that previous condition with STATUS_CODE 200 or 404 + # because even though wallet is unlocked, /v1/getinfo will still keep returning 500 until it's ready + + echo "[initunlocklnd] Still waiting on LND, got response for wallet status: $STATUS_CODE ... waiting another 2 seconds..." + sleep 2 + else + echo "[initunlocklnd] LND still didn't start, got $STATUS_CODE status code back... waiting another 2 seconds..." + sleep 2 + fi +do true; done + +# read variables after we ensured that lnd is up +CA_CERT="$LND_DATA/tls.cert" +LND_WALLET_DIR="$LND_DATA/data/chain/$1/$2/" +MACAROON_FILE="$LND_DATA/admin.macaroon" +MACAROON_HEADER="r0ckstar:dev" +if [ -f "$MACAROON_FILE" ]; then + MACAROON_HEADER="Grpc-Metadata-macaroon:$(xxd -p -c 10000 "$MACAROON_FILE" | tr -d ' ')" +fi + +WALLET_FILE="$LND_WALLET_DIR/wallet.db" +LNDUNLOCK_FILE=${WALLET_FILE/wallet.db/walletunlock.json} +if [ -f "$WALLET_FILE" ]; then + if [ ! -f "$LNDUNLOCK_FILE" ]; then + echo "[initunlocklnd] WARNING: UNLOCK FILE DOESN'T EXIST! MIGRATE LEGACY INSTALLATION TO NEW VERSION ASAP" + else + echo "[initunlocklnd] Wallet and Unlock files are present... parsing wallet password and unlocking lnd" + + # parse wallet password from unlock file + WALLETPASS=$(jq -c -r '.wallet_password' $LNDUNLOCK_FILE) + # Nicolas deleted default password in some wallet unlock files, so we initializing default if password is empty + [ "$WALLETPASS" == "" ] && WALLETPASS="hellorockstar" + # Corrected password (removing newlines before encoding). + # previous versions will have a default wallet password including a line feed at the end "hellorockstar\n" + # line feed hex code 0x0A. So we first try the password without the line feed if it fails we try it with + # the older version. + WALLETPASS_BASE64=$(echo $WALLETPASS | tr -d '\n\r' | base64) + + response=$(curl -s --cacert "$CA_CERT" -X POST -H "$MACAROON_HEADER" \ + -d '{ "wallet_password":"'$WALLETPASS_BASE64'" }' $LND_REST_LISTEN_HOST/v1/unlockwallet) + + # Check for failure (e.g., incorrect password) + if [[ "$response" == *"invalid"* ]]; then + # If it fails, try the original password with linefeed + WALLETPASS_BASE64_CURRENT=$(echo $WALLETPASS | base64) + + # Now we change the password so that the line feed is removed. + # The correct password is already written to the unlock file so we don't need + # to change that. Moreover the changepassword call will change + unlock the wallet + # there is no need to call unlockwallet after this call. + change_password_response=$(curl -s --cacert "$CA_CERT" -X POST -H "$MACAROON_HEADER" \ + -d '{ "current_password":"'$WALLETPASS_BASE64_CURRENT'", "new_password":"'$WALLETPASS_BASE64'" }' \ + $LND_REST_LISTEN_HOST/v1/changepassword) + + # make sure the log end with a newline. + echo $change_password_response + + echo -n "[initunlocklnd] Changed wallet password removing the \"line feed\" character at the end. " + echo "The password can be found in $LNDUNLOCK_FILE" + else + echo "[initunlocklnd] Wallet unlocking failed, lnd returned: $response" + exit 1 + fi + fi +else + echo "[initunlocklnd] Wallet file doesn't exist. Initializing LND instance with new autogenerated password and seed" + + # generate seed mnemonic + GENSEED_RESP=$(curl -s --cacert "$CA_CERT" -X GET -H $MACAROON_HEADER $LND_REST_LISTEN_HOST/v1/genseed) + CIPHER_ARRAY_EXTRACTED=$(echo $GENSEED_RESP | jq -c -r '.cipher_seed_mnemonic') + + # using static default password per feedback, randomly generated password would still be stored in cleartext + WALLETPASS="hellorockstar" + + # save all the the data to unlock file we'll use for future unlocks + RESULTJSON='{"wallet_password":"'$WALLETPASS'", "cipher_seed_mnemonic":'$CIPHER_ARRAY_EXTRACTED'}' + mkdir -p $LND_WALLET_DIR + echo $RESULTJSON > $LNDUNLOCK_FILE + + # previous versions will have a default wallet password including a line feed at the end "hellorockstar\n" + # line feed hex code 0x0A. + WALLETPASS_BASE64=$(echo $WALLETPASS | tr -d '\n\r' | base64) + INITWALLET_REQ='{"wallet_password":"'$WALLETPASS_BASE64'", "cipher_seed_mnemonic":'$CIPHER_ARRAY_EXTRACTED'}' + + # execute initwallet call + curl -s --cacert "$CA_CERT" -X POST -H "$MACAROON_HEADER" -d "$INITWALLET_REQ" $LND_REST_LISTEN_HOST/v1/initwallet +fi + +# LND unlocked, now run Loop + +if [ ! -z "$LND_HOST_FOR_LOOP" ]; then + echo "[initunlocklnd] Preparing to start Loop" + + if [ $LND_ENVIRONMENT == "regtest" ] || [ $LND_ENVIRONMENT == "signet" ]; then + echo "[initunlocklnd] Loop can't be started for regtest and signet" + elif [ -f "$MACAROON_FILE" ]; then + sleep 10 + + echo "[initunlocklnd] Starting Loop" + ./bin/loopd --network=$2 --lnd.macaroonpath=$MACAROON_FILE --lnd.host=$LND_HOST_FOR_LOOP --restlisten=0.0.0.0:8081 & + else + echo "[initunlocklnd] Loop can't be started without MACAROON" + fi +fi \ No newline at end of file diff --git a/linuxamd64.Dockerfile b/linuxamd64.Dockerfile new file mode 100644 index 0000000000..0d70438560 --- /dev/null +++ b/linuxamd64.Dockerfile @@ -0,0 +1,81 @@ +FROM golang:1.22.5-alpine as builder + +# Force Go to use the cgo based DNS resolver. This is required to ensure DNS +# queries required to connect to linked containers succeed. +ENV GODEBUG netdns=cgo + +# Install dependencies and build the binaries. +RUN apk add --no-cache --update alpine-sdk \ + git \ + make \ + gcc + +WORKDIR /go/src/github.com/lightningnetwork/lnd +COPY . . + +RUN make \ +&& make install tags="signrpc walletrpc chainrpc invoicesrpc routerrpc watchtowerrpc" + + +# Build loop binary +RUN git clone --depth 1 --branch v0.28.7-beta https://github.com/lightninglabs/loop.git /go/src/github.com/lightninglabs/loop +WORKDIR /go/src/github.com/lightninglabs/loop/cmd + + +RUN go install ./... +# eof + + +# Start a new, final image. +FROM alpine:3.17.3 as final + +# Force Go to use the cgo based DNS resolver. This is required to ensure DNS +# queries required to connect to linked containers succeed. +ENV GODEBUG netdns=cgo + +# Add bash and ca-certs, for quality of life and SSL-related reasons. +RUN apk --no-cache add \ + bash \ + tini \ + ca-certificates + +ENV LND_DATA /data +ENV LND_BITCOIND /deps/.bitcoin +ENV LND_LITECOIND /deps/.litecoin +ENV LND_BTCD /deps/.btcd +ENV LND_PORT 9735 + +RUN mkdir "$LND_DATA" && \ + mkdir "/deps" && \ + mkdir "$LND_BITCOIND" && \ + mkdir "$LND_LITECOIND" && \ + mkdir "$LND_BTCD" && \ + ln -sfn "$LND_DATA" /root/.lnd && \ + ln -sfn "$LND_BITCOIND" /root/.bitcoin && \ + ln -sfn "$LND_LITECOIND" /root/.litecoin && \ + ln -sfn "$LND_BTCD" /root/.btcd + +# Define a root volume for data persistence. +VOLUME /data + +# Copy the binaries from the builder image. +# lnd +COPY --from=builder /go/bin/lncli /bin/ +COPY --from=builder /go/bin/lnd /bin/ +COPY --from=builder /go/src/github.com/lightningnetwork/lnd/scripts/verify-install.sh / +COPY --from=builder /go/src/github.com/lightningnetwork/lnd/scripts/keys/* /keys/ +# loop +COPY --from=builder /go/bin/loopd /bin/ +COPY --from=builder /go/bin/loop /bin/ + + +COPY docker-entrypoint.sh /docker-entrypoint.sh + +# Copy script for automatic init and unlock of lnd, need jq for parsing JSON and curl for LND Rest +RUN apk --no-cache add jq curl +COPY docker-initunlocklnd.sh /docker-initunlocklnd.sh + +# Specify the start command and entrypoint as the lnd daemon. +EXPOSE 9735 +ENTRYPOINT [ "/sbin/tini", "-g", "--", "/docker-entrypoint.sh" ] +CMD [ "lnd" ] diff --git a/linuxarm32v7.Dockerfile b/linuxarm32v7.Dockerfile new file mode 100644 index 0000000000..f565912100 --- /dev/null +++ b/linuxarm32v7.Dockerfile @@ -0,0 +1,81 @@ +FROM golang:1.22.5-bullseye as builder + +# Force Go to use the cgo based DNS resolver. This is required to ensure DNS +# queries required to connect to linked containers succeed. +ENV GODEBUG netdns=cgo + +# Install dependencies and build the binaries. +RUN apt-get -y update && apt-get -y install git make wget \ + && apt-get install -qq --no-install-recommends qemu qemu-user-static qemu-user binfmt-support + +RUN wget -qO /opt/tini "https://github.com/krallin/tini/releases/download/v0.18.0/tini-armhf" \ + && echo "01b54b934d5f5deb32aa4eb4b0f71d0e76324f4f0237cc262d59376bf2bdc269 /opt/tini" | sha256sum -c - \ + && chmod +x /opt/tini + +ENV GOARM=7 GOARCH=arm +WORKDIR /go/src/github.com/lightningnetwork/lnd +COPY . . + +RUN make \ +&& make install tags="signrpc walletrpc chainrpc invoicesrpc routerrpc watchtowerrpc" + +# Build loop binary +RUN git clone --depth 1 --branch v0.28.7-beta https://github.com/lightninglabs/loop.git /go/src/github.com/lightninglabs/loop +WORKDIR /go/src/github.com/lightninglabs/loop/cmd + +RUN go install ./... +# eof + + +# Force the builder machine to take make an arm runtime image. This is fine as long as the builder does not run any program +FROM arm32v7/debian:bullseye-slim as final + +COPY --from=builder /opt/tini /usr/bin/tini +COPY --from=builder /usr/bin/qemu-arm-static /usr/bin/qemu-arm-static + +# Force Go to use the cgo based DNS resolver. This is required to ensure DNS +# queries required to connect to linked containers succeed. +ENV GODEBUG netdns=cgo +# Add bash and ca-certs, for quality of life and SSL-related reasons. +RUN apt-get -y update && apt-get install -y bash ca-certificates && rm -rf /var/lib/apt/lists/* + +ENV LND_DATA /data +ENV LND_BITCOIND /deps/.bitcoin +ENV LND_LITECOIND /deps/.litecoin +ENV LND_BTCD /deps/.btcd +ENV LND_PORT 9735 + +RUN mkdir "$LND_DATA" && \ + mkdir "/deps" && \ + mkdir "$LND_BITCOIND" && \ + mkdir "$LND_LITECOIND" && \ + mkdir "$LND_BTCD" && \ + ln -sfn "$LND_DATA" /root/.lnd && \ + ln -sfn "$LND_BITCOIND" /root/.bitcoin && \ + ln -sfn "$LND_LITECOIND" /root/.litecoin && \ + ln -sfn "$LND_BTCD" /root/.btcd + +# Define a root volume for data persistence. +VOLUME /data + +# Copy the binaries from the builder image. +# lnd +COPY --from=builder /go/bin/linux_arm/lncli /bin/ +COPY --from=builder /go/bin/linux_arm/lnd /bin/ +COPY --from=builder /go/src/github.com/lightningnetwork/lnd/scripts/verify-install.sh / +COPY --from=builder /go/src/github.com/lightningnetwork/lnd/scripts/keys/* /keys/ +# loop +COPY --from=builder /go/bin/linux_arm/loopd /bin/ +COPY --from=builder /go/bin/linux_arm/loop /bin/ + + +COPY docker-entrypoint.sh /docker-entrypoint.sh + +# Copy script for automatic init and unlock of lnd, need jq for parsing JSON and curl for LND Rest +RUN apt-get -y update && apt-get -y install jq curl xxd && rm -rf /var/lib/apt/lists/* +COPY docker-initunlocklnd.sh /docker-initunlocklnd.sh + +# Specify the start command and entrypoint as the lnd daemon. +EXPOSE 9735 +ENTRYPOINT [ "/usr/bin/tini", "-g", "--", "/docker-entrypoint.sh" ] +CMD [ "lnd" ] diff --git a/linuxarm64v8.Dockerfile b/linuxarm64v8.Dockerfile new file mode 100644 index 0000000000..df76089ae3 --- /dev/null +++ b/linuxarm64v8.Dockerfile @@ -0,0 +1,81 @@ +FROM golang:1.22.5-bullseye as builder + +# Force Go to use the cgo based DNS resolver. This is required to ensure DNS +# queries required to connect to linked containers succeed. +ENV GODEBUG netdns=cgo + +# Install dependencies and build the binaries. +RUN apt-get -y update && apt-get -y install git make wget \ + && apt-get install -qq --no-install-recommends qemu qemu-user-static qemu-user binfmt-support + +RUN wget -qO /opt/tini "https://github.com/krallin/tini/releases/download/v0.18.0/tini-arm64" \ + && echo "7c5463f55393985ee22357d976758aaaecd08defb3c5294d353732018169b019 /opt/tini" | sha256sum -c - \ + && chmod +x /opt/tini + +ENV GOARCH=arm64 +WORKDIR /go/src/github.com/lightningnetwork/lnd +COPY . . + +RUN make \ +&& make install tags="signrpc walletrpc chainrpc invoicesrpc routerrpc watchtowerrpc" + +# Build loop binary +RUN git clone --depth 1 --branch v0.28.7-beta https://github.com/lightninglabs/loop.git /go/src/github.com/lightninglabs/loop +WORKDIR /go/src/github.com/lightninglabs/loop/cmd + +RUN go install ./... +# eof + + +# Force the builder machine to take make an arm runtime image. This is fine as long as the builder does not run any program +FROM arm64v8/debian:bullseye-slim as final + +COPY --from=builder /opt/tini /usr/bin/tini +COPY --from=builder /usr/bin/qemu-aarch64-static /usr/bin/qemu-aarch64-static + +# Force Go to use the cgo based DNS resolver. This is required to ensure DNS +# queries required to connect to linked containers succeed. +ENV GODEBUG netdns=cgo +# Add bash and ca-certs, for quality of life and SSL-related reasons. +RUN apt-get -y update && apt-get install -y bash ca-certificates && rm -rf /var/lib/apt/lists/* + +ENV LND_DATA /data +ENV LND_BITCOIND /deps/.bitcoin +ENV LND_LITECOIND /deps/.litecoin +ENV LND_BTCD /deps/.btcd +ENV LND_PORT 9735 + +RUN mkdir "$LND_DATA" && \ + mkdir "/deps" && \ + mkdir "$LND_BITCOIND" && \ + mkdir "$LND_LITECOIND" && \ + mkdir "$LND_BTCD" && \ + ln -sfn "$LND_DATA" /root/.lnd && \ + ln -sfn "$LND_BITCOIND" /root/.bitcoin && \ + ln -sfn "$LND_LITECOIND" /root/.litecoin && \ + ln -sfn "$LND_BTCD" /root/.btcd + +# Define a root volume for data persistence. +VOLUME /data + +# Copy the binaries from the builder image. +# lnd +COPY --from=builder /go/bin/linux_arm64/lncli /bin/ +COPY --from=builder /go/bin/linux_arm64/lnd /bin/ +COPY --from=builder /go/src/github.com/lightningnetwork/lnd/scripts/verify-install.sh / +COPY --from=builder /go/src/github.com/lightningnetwork/lnd/scripts/keys/* /keys/ +# loop +COPY --from=builder /go/bin/linux_arm64/loopd /bin/ +COPY --from=builder /go/bin/linux_arm64/loop /bin/ + + +COPY docker-entrypoint.sh /docker-entrypoint.sh + +# Copy script for automatic init and unlock of lnd, need jq for parsing JSON and curl for LND Rest +RUN apt-get -y update && apt-get -y install jq curl xxd && rm -rf /var/lib/apt/lists/* +COPY docker-initunlocklnd.sh /docker-initunlocklnd.sh + +# Specify the start command and entrypoint as the lnd daemon. +EXPOSE 9735 +ENTRYPOINT [ "/usr/bin/tini", "-g", "--", "/docker-entrypoint.sh" ] +CMD [ "lnd" ]