From dd45a30a16f68c6b52b8fcdd1a3093345ebaf5d7 Mon Sep 17 00:00:00 2001 From: Ryan Schneider Date: Wed, 23 Aug 2023 11:58:45 -0700 Subject: [PATCH 1/2] eth.Transaction: support new yParity field --- eth/transaction.go | 17 +++++++++++++++-- eth/transaction_from_raw.go | 3 +++ eth/transaction_from_raw_test.go | 2 ++ eth/transaction_test.go | 3 +++ eth/zz_deepcopy_generated.go | 4 ++++ 5 files changed, 27 insertions(+), 2 deletions(-) diff --git a/eth/transaction.go b/eth/transaction.go index 820b35f..6557d0b 100644 --- a/eth/transaction.go +++ b/eth/transaction.go @@ -32,6 +32,7 @@ type Transaction struct { V Quantity `json:"v"` R Quantity `json:"r"` S Quantity `json:"s"` + YParity *Quantity `json:"yParity,omitempty"` // Gas Price (optional since not included in EIP-1559) GasPrice *Quantity `json:"gasPrice,omitempty"` @@ -161,6 +162,12 @@ func (t *Transaction) RawRepresentation() (*Data, error) { if err != nil { return nil, err } + var yParity Quantity + if t.YParity != nil { + yParity = *t.YParity + } else { + yParity = t.V + } payload := rlp.Value{List: []rlp.Value{ t.ChainId.RLP(), t.Nonce.RLP(), @@ -170,7 +177,7 @@ func (t *Transaction) RawRepresentation() (*Data, error) { t.Value.RLP(), {String: t.Input.String()}, t.AccessList.RLP(), - t.V.RLP(), + yParity.RLP(), t.R.RLP(), t.S.RLP(), }} @@ -185,6 +192,12 @@ func (t *Transaction) RawRepresentation() (*Data, error) { if err != nil { return nil, err } + var yParity Quantity + if t.YParity != nil { + yParity = *t.YParity + } else { + yParity = t.V + } payload := rlp.Value{List: []rlp.Value{ t.ChainId.RLP(), t.Nonce.RLP(), @@ -195,7 +208,7 @@ func (t *Transaction) RawRepresentation() (*Data, error) { t.Value.RLP(), {String: t.Input.String()}, t.AccessList.RLP(), - t.V.RLP(), + yParity.RLP(), t.R.RLP(), t.S.RLP(), }} diff --git a/eth/transaction_from_raw.go b/eth/transaction_from_raw.go index 83d268a..fa5b6b7 100644 --- a/eth/transaction_from_raw.go +++ b/eth/transaction_from_raw.go @@ -72,6 +72,7 @@ func (t *Transaction) FromRaw(input string) error { t.Input = data t.AccessList = &accessList t.V = v + t.YParity = &v t.R = r t.S = s t.ChainId = &chainId @@ -121,6 +122,7 @@ func (t *Transaction) FromRaw(input string) error { t.Input = data t.AccessList = &accessList t.V = v + t.YParity = &v t.R = r t.S = s t.ChainId = &chainId @@ -168,6 +170,7 @@ func (t *Transaction) FromRaw(input string) error { t.Value = value t.Input = data t.V = v + t.YParity = nil t.R = r t.S = s diff --git a/eth/transaction_from_raw_test.go b/eth/transaction_from_raw_test.go index 957c767..3309c51 100644 --- a/eth/transaction_from_raw_test.go +++ b/eth/transaction_from_raw_test.go @@ -120,6 +120,8 @@ func TestTransaction_FromRawEIP2930(t *testing.T) { require.Equal(t, "0x1684eb52101a049f7bda9b0239dbd56db6735f8eed4207cdabd682dde3ed06bf", tx.R.String()) require.Equal(t, "0x71d5cf480a272dc907ff4a4efb2a4a96e2132409592268747acfa5d03f50deb7", tx.S.String()) require.Equal(t, "0x0", tx.V.String()) + require.NotNil(t, tx.YParity) + require.Equal(t, "0x0", tx.YParity.String()) require.Equal(t, "0x8A8eAFb1cf62BfBeb1741769DAE1a9dd47996192", tx.To.String()) require.Equal(t, "0x1", tx.Type.String()) require.Equal(t, int64(0), tx.Value.Int64()) diff --git a/eth/transaction_test.go b/eth/transaction_test.go index 349bdc8..bfbd483 100644 --- a/eth/transaction_test.go +++ b/eth/transaction_test.go @@ -184,6 +184,7 @@ func TestTransactionTypeDynamicFee(t *testing.T) { "transactionIndex": "0x41", "value": "0x0", "v": "0x1", + "yParity": "0x1", "r": "0x396864e5f9132327defdb1449504252e1fa6bce73feb8cd6f348a342b198af34", "s": "0x44dbba72e6d3304104848277143252ee43627c82f02d1ef8e404e1bf97c70158", "gasPrice": "0x4a817c800", @@ -206,6 +207,8 @@ func TestTransactionTypeDynamicFee(t *testing.T) { require.NotNil(t, tx.Type) require.Equal(t, eth.TransactionTypeDynamicFee, tx.Type.Int64()) require.Equal(t, eth.TransactionTypeDynamicFee, tx.TransactionType()) + require.NotNil(t, tx.YParity) + require.Equal(t, tx.V, *tx.YParity) j, err := json.Marshal(&tx) require.NoError(t, err) diff --git a/eth/zz_deepcopy_generated.go b/eth/zz_deepcopy_generated.go index 6618f51..06e5025 100644 --- a/eth/zz_deepcopy_generated.go +++ b/eth/zz_deepcopy_generated.go @@ -476,6 +476,10 @@ func (in *Transaction) DeepCopyInto(out *Transaction) { in.V.DeepCopyInto(&out.V) in.R.DeepCopyInto(&out.R) in.S.DeepCopyInto(&out.S) + if in.YParity != nil { + in, out := &in.YParity, &out.YParity + *out = (*in).DeepCopy() + } if in.GasPrice != nil { in, out := &in.GasPrice, &out.GasPrice *out = (*in).DeepCopy() From 9e026b64ff67dc6c4cba6c4deaca39d0f1587119 Mon Sep 17 00:00:00 2001 From: Ryan Schneider Date: Fri, 8 Sep 2023 16:35:25 -0700 Subject: [PATCH 2/2] feat(EIP-4844): eth.Transaction/Receipt EIP-4844 support --- eth/data.go | 12 ++ ...844_raw_blob_network_repr_besu_example.txt | 1 + eth/transaction.go | 134 ++++++++++++ eth/transaction_from_raw.go | 157 ++++++++++++++- eth/transaction_from_raw_test.go | 190 ++++++++++++++++++ eth/transaction_receipt.go | 4 + eth/transaction_receipt_test.go | 39 +++- eth/transaction_signing.go | 29 ++- eth/transaction_test.go | 43 ++++ eth/zz_deepcopy_generated.go | 73 +++++++ 10 files changed, 674 insertions(+), 8 deletions(-) create mode 100644 eth/testdata/raw/eip_4844_raw_blob_network_repr_besu_example.txt diff --git a/eth/data.go b/eth/data.go index efbc694..0601dfd 100644 --- a/eth/data.go +++ b/eth/data.go @@ -335,6 +335,18 @@ func (d *Data256) RLP() rlp.Value { } } +type Hashes []Data32 + +func (slice Hashes) RLP() rlp.Value { + v := rlp.Value{ + List: make([]rlp.Value, len(slice)), + } + for i := range slice { + v.List[i].String = slice[i].String() + } + return v +} + type hasBytes interface { Bytes() []byte } diff --git a/eth/testdata/raw/eip_4844_raw_blob_network_repr_besu_example.txt b/eth/testdata/raw/eip_4844_raw_blob_network_repr_besu_example.txt new file mode 100644 index 0000000..c20766e --- /dev/null +++ b/eth/testdata/raw/eip_4844_raw_blob_network_repr_besu_example.txt @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/eth/transaction.go b/eth/transaction.go index 6557d0b..b12272b 100644 --- a/eth/transaction.go +++ b/eth/transaction.go @@ -15,6 +15,7 @@ var ( TransactionTypeLegacy = int64(0x0) // TransactionTypeLegacy refers to pre-EIP-2718 transactions. TransactionTypeAccessList = int64(0x1) // TransactionTypeAccessList refers to EIP-2930 transactions. TransactionTypeDynamicFee = int64(0x2) // TransactionTypeDynamicFee refers to EIP-1559 transactions. + TransactionTypeBlob = int64(0x3) // TransactionTypeBlob refers to EIP-4844 "blob" transactions. ) type Transaction struct { @@ -52,10 +53,28 @@ type Transaction struct { // EIP-2930 accessList AccessList *AccessList `json:"accessList,omitempty"` + // EIP-4844 blob fields + MaxFeePerBlobGas *Quantity `json:"maxFeePerBlobGas,omitempty"` + BlobVersionedHashes Hashes `json:"blobVersionedHashes,omitempty"` + + // EIP-4844 Blob transactions in "Network Representation" include the additional + // fields from the BlobsBundleV1 engine API schema. However, these fields are not + // available at the execution layer and thus not expected to be seen when + // dealing with JSONRPC representations of transactions, and are excluded from + // JSON Marshalling. As such, this field is only populated when decoding a + // raw transaction in "Network Representation" and the fields must be accessed directly. + BlobBundle *BlobsBundleV1 `json:"-"` + // Keep the source so we can recreate its expected representation source string } +type BlobsBundleV1 struct { + Blobs []Data `json:"blobs"` + Commitments []Data `json:"commitments"` + Proofs []Data `json:"proofs"` +} + type NewPendingTxBodyNotificationParams struct { Subscription string `json:"subscription"` Result Transaction `json:"result"` @@ -122,6 +141,22 @@ func (t *Transaction) RequiredFields() error { if t.MaxPriorityFeePerGas == nil { fields = append(fields, "maxPriorityFeePerGas") } + case TransactionTypeBlob: + if t.ChainId == nil { + fields = append(fields, "chainId") + } + if t.MaxFeePerBlobGas == nil { + fields = append(fields, "maxFeePerBlobGas") + } + if t.BlobVersionedHashes == nil { + fields = append(fields, "blobVersionedHashes") + } + if t.To == nil { + // Contract creation not supported in blob txs + fields = append(fields, "to") + } + default: + return errors.New("unsupported transaction type") } if len(fields) > 0 { @@ -212,6 +247,105 @@ func (t *Transaction) RawRepresentation() (*Data, error) { t.R.RLP(), t.S.RLP(), }} + if encodedPayload, err := payload.Encode(); err != nil { + return nil, err + } else { + return NewData(typePrefix + encodedPayload[2:]) + } + case TransactionTypeBlob: + // We introduce a new EIP-2718 transaction, “blob transaction”, where the TransactionType is BLOB_TX_TYPE and the TransactionPayload is the RLP serialization of the following TransactionPayloadBody: + //[chain_id, nonce, max_priority_fee_per_gas, max_fee_per_gas, gas_limit, to, value, data, access_list, max_fee_per_blob_gas, blob_versioned_hashes, y_parity, r, s] + typePrefix, err := t.Type.RLP().Encode() + if err != nil { + return nil, err + } + payload := rlp.Value{List: []rlp.Value{ + t.ChainId.RLP(), + t.Nonce.RLP(), + t.MaxPriorityFeePerGas.RLP(), + t.MaxFeePerGas.RLP(), + t.Gas.RLP(), + t.To.RLP(), + t.Value.RLP(), + {String: t.Input.String()}, + t.AccessList.RLP(), + t.MaxFeePerBlobGas.RLP(), + t.BlobVersionedHashes.RLP(), + t.YParity.RLP(), + t.R.RLP(), + t.S.RLP(), + }} + if encodedPayload, err := payload.Encode(); err != nil { + return nil, err + } else { + return NewData(typePrefix + encodedPayload[2:]) + } + default: + return nil, errors.New("unsupported transaction type") + } +} + +// NetworkRepresentation returns the transaction encoded as a raw hexadecimal data string suitable +// for network transmission, or an error. For Blob transactions this includes the blob payload. +func (t *Transaction) NetworkRepresentation() (*Data, error) { + if err := t.RequiredFields(); err != nil { + return nil, err + } + + switch t.TransactionType() { + case TransactionTypeLegacy, TransactionTypeAccessList, TransactionTypeDynamicFee: + // For most transaction types, the "Raw" and "Network" representations are the same + return t.RawRepresentation() + case TransactionTypeBlob: + // Blob transactions have two network representations. During transaction gossip responses (PooledTransactions), + // the EIP-2718 TransactionPayload of the blob transaction is wrapped to become: + // + // rlp([tx_payload_body, blobs, commitments, proofs]) + typePrefix, err := t.Type.RLP().Encode() + if err != nil { + return nil, err + } + + if t.BlobBundle == nil { + return nil, errors.New("network representation of blob txs requires populated blob data") + } + + body := rlp.Value{List: []rlp.Value{ + t.ChainId.RLP(), + t.Nonce.RLP(), + t.MaxPriorityFeePerGas.RLP(), + t.MaxFeePerGas.RLP(), + t.Gas.RLP(), + t.To.RLP(), + t.Value.RLP(), + {String: t.Input.String()}, + t.AccessList.RLP(), + t.MaxFeePerBlobGas.RLP(), + t.BlobVersionedHashes.RLP(), + t.YParity.RLP(), + t.R.RLP(), + t.S.RLP(), + }} + dataList := func(data []Data) rlp.Value { + v := rlp.Value{ + List: make([]rlp.Value, 0, len(data)), + } + for i := range data { + v.List = append(v.List, data[i].RLP()) + } + return v + } + blobs := dataList(t.BlobBundle.Blobs) + commitments := dataList(t.BlobBundle.Commitments) + proofs := dataList(t.BlobBundle.Proofs) + + payload := rlp.Value{List: []rlp.Value{ + body, + blobs, + commitments, + proofs, + }} + if encodedPayload, err := payload.Encode(); err != nil { return nil, err } else { diff --git a/eth/transaction_from_raw.go b/eth/transaction_from_raw.go index fa5b6b7..1e4d65e 100644 --- a/eth/transaction_from_raw.go +++ b/eth/transaction_from_raw.go @@ -34,6 +34,8 @@ func (t *Transaction) FromRaw(input string) error { r Quantity s Quantity accessList AccessList + maxFeePerBlobGas Quantity + blobVersionedHashes []Hash ) if !strings.HasPrefix(input, "0x") { @@ -150,6 +152,126 @@ func (t *Transaction) FromRaw(input string) error { t.Hash = raw.Hash() t.From = *sender return nil + case firstByte == byte(TransactionTypeBlob): + // EIP-4844 transaction + var ( + body rlp.Value + blobs []Data + commitments []Data + proofs []Data + hasBlobs bool = false + ) + // The raw tx can be a full "Network Representation" tx of the form: + // 0x03 || rlp([tx_payload_body, blobs, commitments, proofs]) + // + // Or just the tx payload body: + // 0x03 || rlp([chain_id, nonce, max_priority_fee_per_gas, max_fee_per_gas, gas_limit, to, value, data, access_list, max_fee_per_blob_gas, blob_versioned_hashes, y_parity, r, s]) + payload := "0x" + input[4:] + decoded, err := rlp.From(payload) + + switch len(decoded.List) { + case 14: + body = *decoded + hasBlobs = false + case 4: + // TransactionPayloadBody is itself an RLP list of: + // [chain_id, nonce, max_priority_fee_per_gas, max_fee_per_gas, gas_limit, to, value, data, access_list, max_fee_per_blob_gas, blob_versioned_hashes, y_parity, r, s] + if err := rlpDecodeList(decoded, &body, &blobs, &commitments, &proofs); err != nil { + return err + } + hasBlobs = true + default: + return errors.New("blob transaction invalid tx RLP length") + } + + if err := rlpDecodeList(&body, &chainId, &nonce, &maxPriorityFeePerGas, &maxFeePerGas, &gasLimit, &to, &value, &data, &accessList, &maxFeePerBlobGas, &blobVersionedHashes, &v, &r, &s); err != nil { + return errors.Wrap(err, "could not decode RLP components") + } + + if hasBlobs && (len(blobVersionedHashes) != len(blobs) || len(blobs) != len(commitments) || len(commitments) != len(proofs)) { + return errors.New("mismatched blob field counts") + } + + // TODO: at this point we could verify these two constraints + // + // - blobVersionedHashes[i] = "0x01" + sha256(commitments[i])[4:] + // - the KZG commitments match the corresponding blobs and proofs + // + // However, this all requires additionally implementing a sha256 method + // for eth.Data and the use of a KZG proof framework, both of which + // feel outside the scope of this package, especially considering + // that these fields are not exposed at the JSONRPC layer which is + // our primary focus. + // + // In pseudocode this all would look something like: + // + // for i := range blobVersionedHashes { + // blobHash := commitments[i].Sha256() + // versionedHash := "0x01" + blobHash[4:] + // if blobVersionedHashes[i] != versionedHash { + // return errors.New("incorrect blob versioned hash") + // } + // if err := kzg_verify_proofs(commitments[i], blobs[i], proofs[i]); err != nil { + // return err + // } + // } + // + + if r.Int64() == 0 && s.Int64() == 0 { + return errors.New("unsigned transactions not supported") + } + + t.Type = OptionalQuantityFromInt(int(firstByte)) + t.ChainId = &chainId + t.Nonce = nonce + t.MaxPriorityFeePerGas = &maxPriorityFeePerGas + t.MaxFeePerGas = &maxFeePerGas + t.Gas = gasLimit + t.To = to + t.Value = value + t.Input = data + t.AccessList = &accessList + t.MaxFeePerBlobGas = &maxFeePerBlobGas + t.BlobVersionedHashes = blobVersionedHashes + t.V = v + t.YParity = &v + t.R = r + t.S = s + + if hasBlobs { + t.BlobBundle = &BlobsBundleV1{ + Blobs: blobs, + Commitments: commitments, + Proofs: proofs, + } + } else { + t.BlobBundle = nil + } + + signature, err := NewEIP2718Signature(chainId, r, s, v) + if err != nil { + return err + } + + signingHash, err := t.SigningHash(signature.chainId) + if err != nil { + return err + } + + sender, err := signature.Recover(signingHash) + if err != nil { + return err + } + + raw, err := t.RawRepresentation() + if err != nil { + return err + } + + t.Hash = raw.Hash() + t.From = *sender + return nil + case firstByte > 0x7f: // In EIP-2718 types larger than 0x7f are reserved since they potentially conflict with legacy RLP encoded // transactions. As such we can attempt to decode any such transactions as legacy format and attempt to @@ -205,6 +327,8 @@ func (t *Transaction) FromRaw(input string) error { // rlpDecodeList decodes an RLP list into the passed in receivers. Currently only the receiver types needed for // legacy and EIP-2930 transactions are implemented, new receivers can easily be added in the for loop. // +// input is either a string or pointer to an rlp.Value, if it's a string then it's assumed to be RLP encoded and is decoded first +// // Note that when calling this function, the receivers MUST be pointers never values, and for "optional" receivers // such as Address a pointer to a pointer must be passed. For example: // @@ -215,10 +339,17 @@ func (t *Transaction) FromRaw(input string) error { // err := rlpDecodeList(payload, &addr, &nonce) // // TODO: Consider making this function public once all receiver types in the eth package are supported. -func rlpDecodeList(input string, receivers ...interface{}) error { - decoded, err := rlp.From(input) - if err != nil { - return err +func rlpDecodeList(input interface{}, receivers ...interface{}) error { + var decoded *rlp.Value + switch i := input.(type) { + case string: + if d, err := rlp.From(i); err != nil { + return err + } else { + decoded = d + } + case *rlp.Value: + decoded = i } if len(decoded.List) < len(receivers) { @@ -250,6 +381,24 @@ func rlpDecodeList(input string, receivers ...interface{}) error { return errors.Wrapf(err, "could not decode list item %d to Data", i) } *receiver = *d + case *[]Data: + *receiver = make([]Data, len(value.List)) + for j := range value.List { + d, err := NewData(value.List[j].String) + if err != nil { + return errors.Wrapf(err, "could not decode list item %d %d to Data", i, j) + } + (*receiver)[j] = *d + } + case *[]Data32: + *receiver = make([]Data32, len(value.List)) + for j := range value.List { + d, err := NewData32(value.List[j].String) + if err != nil { + return errors.Wrapf(err, "could not decode list item %d %d to Data", i, j) + } + (*receiver)[j] = *d + } case *rlp.Value: *receiver = value case *AccessList: diff --git a/eth/transaction_from_raw_test.go b/eth/transaction_from_raw_test.go index 3309c51..56401df 100644 --- a/eth/transaction_from_raw_test.go +++ b/eth/transaction_from_raw_test.go @@ -1,11 +1,16 @@ package eth_test import ( + "encoding/json" + "fmt" + "os" + "strings" "testing" "github.com/stretchr/testify/require" "github.com/INFURA/go-ethlibs/eth" + "github.com/INFURA/go-ethlibs/rlp" ) func TestTransaction_FromRaw(t *testing.T) { @@ -29,6 +34,32 @@ func TestTransaction_FromRaw(t *testing.T) { require.True(t, tx.IsProtected()) } +// polygon +func TestTransaction_PolygonFromRaw(t *testing.T) { + input := "0xf88a228523702ac8c182c350944c078868285cf84f5501b64e9008e7da8236711580a47f8661a1000000000000000000000000000000000000000000023b56e96692a478da0000820135a058a0bcf00d4db5a85eca237a1f021236df2af619d1dbda1b1071a08b8ee512f9a000f960dd89b8232792959f5c59a9594acce1c77da320e1532aa36bce31a42159" + tx := eth.Transaction{} + err := tx.FromRaw(input) + require.NoError(t, err) + require.Equal(t, "0xa92d0a000c44a8c548360b5c7e2d940e430dbb091048791315233d6ec656c7d1", tx.Hash.String()) + require.Equal(t, eth.MustAddress("0x7f54c0a57b5bcdfef12688a04068e987c1fe31a4").String(), tx.From.String()) + + b, err := json.MarshalIndent(&tx, "", " ") + require.NoError(t, err) + t.Logf("Decoded tx: \n%s", string(b)) + + signature, err := tx.Signature() + require.NoError(t, err) + r, s, v := signature.EIP155Values() + require.Equal(t, tx.R, r) + require.Equal(t, tx.S, s) + require.Equal(t, tx.V, v) + chainId, err := signature.ChainId() + require.NoError(t, err) + require.Equal(t, eth.QuantityFromInt64(0x89), *chainId) + + require.True(t, tx.IsProtected()) +} + func TestTransaction_FromRaw_Invalid_Payloads(t *testing.T) { { input := `0x7f00000000` @@ -133,6 +164,165 @@ func TestTransaction_FromRawEIP2930(t *testing.T) { } } +func TestTransaction_FromRawEIP4844(t *testing.T) { + hash := `0xdc50d6f000e5f46a205c7d84107240d43e10f5c16d2e6ee8035a0da9200dcebe` + // This raw tx was generated from go-ethereum's unit tests. Since the blobs, commitments and proofs are all zero I've "compressed" + // the transaction by eliminating a run of 262148 consecutive zeros, hence the odd way this is constructed to keep the unit test + // payload a reasonable size. + rawBlob := strings.Repeat(`00`, 131072) + raw := (`0x03fa020125f8b7010516058261a894030405000000000000000000000000000000000063b20000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000c00fe1a0010657f37554c781402a22917dee2f75def7ab966d7b770905398eba3c44401401a069263c625a202b369d6a507123da6da09913411a798569800ab6acc8ea025fc8a07a55f584d158ece16253c9c4c932d07eb8bdff4870076c9b7e37aecd074e3528fa020004ba020000` + + // the blob is 128KB of zeros + rawBlob + + // and append the empty string commitments and proofs, RLP encoded as single entry lists + strings.Repeat(`f1b0c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000`, 2)) + + tx := eth.Transaction{} + err := tx.FromRaw(raw) + require.NoError(t, err) + require.Equal(t, hash, tx.Hash.String()) + require.NotEmpty(t, tx.BlobVersionedHashes) + require.NotNil(t, tx.BlobBundle) + require.NotEmpty(t, tx.From.String()) + require.Equal(t, len(tx.BlobVersionedHashes), len(tx.BlobBundle.Blobs)) + require.Equal(t, len(tx.BlobVersionedHashes), len(tx.BlobBundle.Commitments)) + require.Equal(t, len(tx.BlobVersionedHashes), len(tx.BlobBundle.Proofs)) + require.Equal(t, rawBlob, tx.BlobBundle.Blobs[0].String()[2:]) + require.Equal(t, "0xc00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", tx.BlobBundle.Commitments[0].String()) + require.Equal(t, "0xc00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", tx.BlobBundle.Proofs[0].String()) +} + +func TestTransaction_FromRaw_BesuBlobs(t *testing.T) { + // The tests in this function are derived from: + // https://github.com/hyperledger/besu/blob/main/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncodingTest.java#L42 + // + // The R/S/V/preimage/signingHash/etc values were extracted from the runtime values of the besu unit tests since + // the values aren't compared anywhere in the test themselves. + var rawNetworkRepresentation string + // Same contents as https://github.com/hyperledger/besu/blob/main/ethereum/core/src/test/resources/org/hyperledger/besu/ethereum/core/encoding/blob2.txt + + if contents, err := os.ReadFile("testdata/raw/eip_4844_raw_blob_network_repr_besu_example.txt"); err != nil { + t.Skipf("Raw blob file unavailable: %s", err.Error()) + } else { + rawNetworkRepresentation = string(contents) + } + tx := eth.Transaction{} + err := tx.FromRaw(rawNetworkRepresentation) + require.NoError(t, err) + + require.Equal(t, "59716453833386226137613404642880905403104304569521254368985594550943831948713", tx.R.Big().String()) + require.Equal(t, "33984205643972324058974709030721249530161914536639609134031478843917742230160", tx.S.Big().String()) + require.Equal(t, "1", tx.V.Big().String()) + + if preimage, err := tx.SigningPreimage(*tx.ChainId); err != nil { + require.NoError(t, err) + } else { + require.Equal(t, "0x03f84c0780843b9aca008506fc23ac00830186a09400000000000000000000000000000000000001008080c001e1a0010657f37554c781402a22917dee2f75def7ab966d7b770905398eba3c444014", preimage.String()) + } + + if signingHash, err := tx.SigningHash(*tx.ChainId); err != nil { + require.NoError(t, err) + } else { + require.Equal(t, "0xa9a537abe25c227bbc7f7eceb8b795ec1831dbda32f8194c3688b1add711646b", signingHash.String()) + } + + require.Equal(t, "0xd886baa4d7824402a508487d94b8efed257832170ecb5f5a85b8d2e15317728c", tx.Hash.String()) + require.Equal(t, eth.ToChecksumAddress("0xcf49fda3be353c69b41ed96333cd24302da4556f"), tx.From.String()) + require.NotEmpty(t, tx.BlobVersionedHashes) + require.NotNil(t, tx.BlobBundle) + require.NotEmpty(t, tx.From.String()) + + encoded, err := tx.NetworkRepresentation() + require.NoError(t, err) + require.Equal(t, rawNetworkRepresentation, encoded.String()) + + // RawRepresentation should return just the body payload, no blobs + t.Run("compare raw representation", func(t *testing.T) { + raw, err := tx.RawRepresentation() + require.NoError(t, err) + require.Equal(t, "0x03", raw.String()[:4]) + + // Decode the raw representation w/o the 0x03 prefix + decodedRaw, err := rlp.From("0x" + raw.String()[4:]) + require.NoError(t, err) + // and decode the network representation w/o the prefix as well + decodedNetwork, err := rlp.From("0x" + rawNetworkRepresentation[4:]) + require.NoError(t, err) + require.Equal(t, 4, len(decodedNetwork.List)) + + // The RLP of the raw body and the first list in the network + // representation should match + require.Condition(t, func() (success bool) { + encodedRaw, err := decodedRaw.Encode() + require.NoError(t, err) + + encodedNetworkBody, err := decodedNetwork.List[0].Encode() + require.NoError(t, err) + + return encodedRaw == encodedNetworkBody + }) + }) + + // These raw txs are NOT in network representation, but we should still support that + // They are taken from: + // https://github.com/hyperledger/besu/blob/main/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncodingTest.java#L34-L45 + for i, testCase := range []struct { + raw string + err error + from string + hash string + }{ + { + raw: "0x03f89d850120b996ed3685012a1a646085012a1a64608303345094ffb38a7a99e3e2335be83fc74b7faa19d55312418308a80280c085012a1a6460e1a00153a6a1e053cf4c5a09e84088ed8ad7cb53d76c8168f1b82f7cfebfcd06da1a01a007785223eec68459d72265f10bdb30ec3415252a63100605a03142fa211ebbe9a07dbbf9e081fa7b9a01202e4d9ee0e0e513f80efbbab6c784635429905389ce86", + hash: "0x534869a82832a2299fa500788100e0cf15e3a554e1d886739a6dc99b9321ca29", + from: "0x8472727b0538eb1a66bfcae3aab915a552af717d", + err: nil, + }, + { + raw: "0x03f89d850120b996ed81f0847735940084b2d05e158307a12094000000000000000000000000000000000010101001855f495f4955c084b2d05e15e1a001d343d3cd62abd9c5754cbe5128c25ea90786a8ae75fb79c8cf95f4dcdd08ec80a014103732b5a9789bbf5ea859ed904155398abbef343f8fd63007efb70795d382a07272e847382789a092eadf08e2b9002e727376f8466fff0e4d4639fd60a528f2", + hash: "0xfb997a3392b654be7498b72ac7258dfdc3329917227ad09b91648667ce43a199", + from: "0x73fe966507a1d9172ebc4c43a253bba0d5df4925", + err: nil, + }, + { + raw: "0x03f89d850120b996ed81f1843b9aca00847735940e8307a12094000000000000000000000000000000000010101001855f495f4955c0847735940ee1a001d552e24560ec2f168be1d4a6385df61c70afe4288f00a3ad172da1a6f2b4f280a0b6690786e5fe79df67dcb60e8a9e8555142c3c96ffd5097c838717f0a7f64129a0112f01ed0cd3b86495f01736fbbc1b793f71565223aa26f093471a4d8605d198", + hash: "0x127ddcc9a245f508ed30e14a517221478abe53d446eb1cbaca82b1f536dd6b72", + from: "0x5bf5f24e6125ec27c6a651a4da25fd0228fedd5b", + err: nil, + }, + { + raw: "0x03f897850120b996ed80840bebc200843b9aca078303345094c8d369b164361a8961286cfbab3bc10f962185a88080c08411e1a300e1a0011df88a2971c8a7ac494a7ba37ec1acaa1fc1edeeb38c839b5d1693d47b69b080a032f122f06e5802224db4c8a58fd22c75173a713f63f89936f811c144b9e40129a043a2a872cbfa5727007adf6a48febe5f190d2e4cd5ed6122823fb6ff47ecda32", + hash: "0xef1e339ff3fabfbe77ed9bff79d7d92cddc338eb7f9be3918521a7722e0be5cb", + from: "0xc3ff483dfe9246e4d39382733f096fb949345fd1", + err: nil, + }, + } { + t.Run(fmt.Sprintf("besu_tx_raw_%d", i), func(t *testing.T) { + tx := eth.Transaction{} + err := tx.FromRaw(testCase.raw) + if testCase.err != nil { + require.EqualError(t, err, testCase.err.Error()) + return + } + + require.NoError(t, err) + require.Nil(t, tx.BlobBundle) + require.Equal(t, eth.TransactionTypeBlob, tx.Type.Int64()) + require.Equal(t, eth.ToChecksumAddress(testCase.from), tx.From.String()) + require.Equal(t, testCase.hash, tx.Hash.String()) + + // Raw Representation should match the raw values + rawRepresentation, err := tx.RawRepresentation() + require.NoError(t, err) + require.Equal(t, testCase.raw, rawRepresentation.String()) + + // And Network Representation should fail + networkRepresentation, err := tx.NetworkRepresentation() + require.Error(t, err) + require.Nil(t, networkRepresentation) + }) + } +} + func TestTransaction_FromRawEIP2930_YoloV3_NetherMind(t *testing.T) { // These sample txs taken from https://github.com/NethermindEth/nethermind/blob/2577b245bdf2d67d02585d2ea2e3c7a02c292ccf/src/Nethermind/Nethermind.Core.Test/Encoding/TxDecoderTests.cs#L78 chainId := eth.MustQuantity("0x796f6c6f7633") diff --git a/eth/transaction_receipt.go b/eth/transaction_receipt.go index 2955a32..832ef8d 100644 --- a/eth/transaction_receipt.go +++ b/eth/transaction_receipt.go @@ -16,6 +16,10 @@ type TransactionReceipt struct { Root *Data32 `json:"root,omitempty"` Status *Quantity `json:"status,omitempty"` EffectiveGasPrice *Quantity `json:"effectiveGasPrice,omitempty"` + + // EIP-4844 Receipt Fields + BlobGasPrice *Quantity `json:"blobGasPrice,omitempty"` + BlobGasUsed *Quantity `json:"blobGasUsed,omitempty"` } // TransactionType returns the transactions EIP-2718 type, or TransactionTypeLegacy for pre-EIP-2718 transactions. diff --git a/eth/transaction_receipt_test.go b/eth/transaction_receipt_test.go index c658910..a6aaac5 100644 --- a/eth/transaction_receipt_test.go +++ b/eth/transaction_receipt_test.go @@ -4,8 +4,9 @@ import ( "encoding/json" "testing" - "github.com/INFURA/go-ethlibs/eth" "github.com/stretchr/testify/require" + + "github.com/INFURA/go-ethlibs/eth" ) func TestTransactionReceipts(t *testing.T) { @@ -203,3 +204,39 @@ func TestTransactionReceipts(t *testing.T) { } } + +func TestTransactionReceipt_4844(t *testing.T) { + // curl https://rpc.dencun-devnet-8.ethpandaops.io/ -H 'Content-Type: application/json' -d '{"method":"eth_getTransactionReceipt","params":["0x5ceec39b631763ae0b45a8fb55c373f38b8fab308336ca1dc90ecd2b3cf06d00"],"id":1,"jsonrpc":"2.0"}' + raw := `{ + "blobGasPrice": "0x1", + "blobGasUsed": "0x20000", + "blockHash": "0xfc2715ff196e23ae613ed6f837abd9035329a720a1f4e8dce3b0694c867ba052", + "blockNumber": "0x2a1cb", + "contractAddress": null, + "cumulativeGasUsed": "0x5208", + "effectiveGasPrice": "0x1d1a94a201c", + "from": "0xad01b55d7c3448b8899862eb335fbb17075d8de2", + "gasUsed": "0x5208", + "logs": [], + "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", + "status": "0x1", + "to": "0x000000000000000000000000000000000000f1c1", + "transactionHash": "0x5ceec39b631763ae0b45a8fb55c373f38b8fab308336ca1dc90ecd2b3cf06d00", + "transactionIndex": "0x0", + "type": "0x3" + }` + + receipt := eth.TransactionReceipt{} + err := json.Unmarshal([]byte(raw), &receipt) + require.NoError(t, err, "unmarshal must succeed") + + require.NotNil(t, receipt.Type) + require.Equal(t, "0x3", receipt.Type.String()) + require.Equal(t, "0x1", receipt.BlobGasPrice.String()) + require.Equal(t, "0x20000", receipt.BlobGasUsed.String()) + + // convert back to JSON and compare + b, err := json.Marshal(&receipt) + require.NoError(t, err) + require.JSONEq(t, raw, string(b)) +} diff --git a/eth/transaction_signing.go b/eth/transaction_signing.go index 270d8e9..f72a3e7 100644 --- a/eth/transaction_signing.go +++ b/eth/transaction_signing.go @@ -42,7 +42,7 @@ func (t *Transaction) Sign(privateKey string, chainId Quantity) (*Data, error) { switch t.TransactionType() { case TransactionTypeLegacy: t.R, t.S, t.V = signature.EIP155Values() - case TransactionTypeAccessList, TransactionTypeDynamicFee: + case TransactionTypeAccessList, TransactionTypeDynamicFee, TransactionTypeBlob: // set chainId and RSV to EIP2718 values t.ChainId = &chainId t.R, t.S, t.V = signature.EIP2718Values() @@ -159,8 +159,31 @@ func (t *Transaction) SigningPreimage(chainId Quantity) (*Data, error) { if err != nil { return nil, err } - // And return it with the 0x01 prefix + // And return it with the 0x02 prefix return NewData("0x02" + encoded[2:]) + case TransactionTypeBlob: + // The signature values y_parity, r, and s are calculated by constructing a secp256k1 signature over the following digest: + //keccak256(BLOB_TX_TYPE || rlp([chain_id, nonce, max_priority_fee_per_gas, max_fee_per_gas, gas_limit, to, value, data, access_list, max_fee_per_blob_gas, blob_versioned_hashes])). + payload := rlp.Value{List: []rlp.Value{ + chainId.RLP(), + t.Nonce.RLP(), + t.MaxPriorityFeePerGas.RLP(), + t.MaxFeePerGas.RLP(), + t.Gas.RLP(), + t.To.RLP(), + t.Value.RLP(), + {String: t.Input.String()}, + t.AccessList.RLP(), + t.MaxFeePerBlobGas.RLP(), + t.BlobVersionedHashes.RLP(), + }} + // encode the list as RLP + encoded, err := payload.Encode() + if err != nil { + return nil, err + } + // And return it with the 0x03 prefix + return NewData("0x03" + encoded[2:]) default: return nil, errors.New("unsupported transaction type") } @@ -193,7 +216,7 @@ func (t *Transaction) Signature() (*Signature, error) { return nil, errors.New("chainId is required") } return NewEIP2718Signature(*t.ChainId, t.R, t.S, t.V) - case TransactionTypeDynamicFee: + case TransactionTypeDynamicFee, TransactionTypeBlob: return NewEIP2718Signature(*t.ChainId, t.R, t.S, t.V) default: return nil, errors.New("unsupported transaction type") diff --git a/eth/transaction_test.go b/eth/transaction_test.go index bfbd483..424cd74 100644 --- a/eth/transaction_test.go +++ b/eth/transaction_test.go @@ -216,6 +216,49 @@ func TestTransactionTypeDynamicFee(t *testing.T) { RequireEqualJSON(t, []byte(payload), j) } +func TestTransactionTypeBlob(t *testing.T) { + // + payload := `{ + "blockHash": "0xfc2715ff196e23ae613ed6f837abd9035329a720a1f4e8dce3b0694c867ba052", + "blockNumber": "0x2a1cb", + "from": "0xad01b55d7c3448b8899862eb335fbb17075d8de2", + "gas": "0x5208", + "gasPrice": "0x1d1a94a201c", + "maxFeePerGas": "0x1d1a94a201c", + "maxPriorityFeePerGas": "0x1d1a94a201c", + "maxFeePerBlobGas": "0x3e8", + "hash": "0x5ceec39b631763ae0b45a8fb55c373f38b8fab308336ca1dc90ecd2b3cf06d00", + "input": "0x", + "nonce": "0x1b483", + "to": "0x000000000000000000000000000000000000f1c1", + "transactionIndex": "0x0", + "value": "0x0", + "type": "0x3", + "accessList": [], + "chainId": "0x1a1f0ff42", + "blobVersionedHashes": [ + "0x01a128c46fc61395706686d6284f83c6c86dfc15769b9363171ea9d8566e6e76" + ], + "v": "0x0", + "r": "0x343c6239323a81ef61293cb4a4d37b6df47fbf68114adb5dd41581151a077da1", + "s": "0x48c21f6872feaf181d37cc4f9bbb356d3f10b352ceb38d1c3b190d749f95a11b", + "yParity": "0x0" + }` + + tx := eth.Transaction{} + err := json.Unmarshal([]byte(payload), &tx) + require.NoError(t, err) + require.NotNil(t, tx.Type) + require.Equal(t, eth.TransactionTypeBlob, tx.Type.Int64()) + require.Equal(t, eth.TransactionTypeBlob, tx.TransactionType()) + require.NotNil(t, tx.YParity) + require.Equal(t, tx.V, *tx.YParity) + + b, err := json.Marshal(&tx) + require.NoError(t, err) + require.JSONEq(t, payload, string(b)) +} + func TestNewPendingTxNotificationParams(t *testing.T) { { diff --git a/eth/zz_deepcopy_generated.go b/eth/zz_deepcopy_generated.go index 06e5025..5122937 100644 --- a/eth/zz_deepcopy_generated.go +++ b/eth/zz_deepcopy_generated.go @@ -48,6 +48,37 @@ func (in *AccessListEntry) DeepCopy() *AccessListEntry { return out } +// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. +func (in *BlobsBundleV1) DeepCopyInto(out *BlobsBundleV1) { + *out = *in + if in.Blobs != nil { + in, out := &in.Blobs, &out.Blobs + *out = make([]Data, len(*in)) + copy(*out, *in) + } + if in.Commitments != nil { + in, out := &in.Commitments, &out.Commitments + *out = make([]Data, len(*in)) + copy(*out, *in) + } + if in.Proofs != nil { + in, out := &in.Proofs, &out.Proofs + *out = make([]Data, len(*in)) + copy(*out, *in) + } + return +} + +// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new BlobsBundleV1. +func (in *BlobsBundleV1) DeepCopy() *BlobsBundleV1 { + if in == nil { + return nil + } + out := new(BlobsBundleV1) + in.DeepCopyInto(out) + return out +} + // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. func (in *Block) DeepCopyInto(out *Block) { *out = *in @@ -203,6 +234,26 @@ func (in Condition) DeepCopy() Condition { return *out } +// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. +func (in Hashes) DeepCopyInto(out *Hashes) { + { + in := &in + *out = make(Hashes, len(*in)) + copy(*out, *in) + return + } +} + +// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Hashes. +func (in Hashes) DeepCopy() Hashes { + if in == nil { + return nil + } + out := new(Hashes) + in.DeepCopyInto(out) + return *out +} + // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil. func (in *Log) DeepCopyInto(out *Log) { *out = *in @@ -535,6 +586,20 @@ func (in *Transaction) DeepCopyInto(out *Transaction) { } } } + if in.MaxFeePerBlobGas != nil { + in, out := &in.MaxFeePerBlobGas, &out.MaxFeePerBlobGas + *out = (*in).DeepCopy() + } + if in.BlobVersionedHashes != nil { + in, out := &in.BlobVersionedHashes, &out.BlobVersionedHashes + *out = make(Hashes, len(*in)) + copy(*out, *in) + } + if in.BlobBundle != nil { + in, out := &in.BlobBundle, &out.BlobBundle + *out = new(BlobsBundleV1) + (*in).DeepCopyInto(*out) + } return } @@ -589,6 +654,14 @@ func (in *TransactionReceipt) DeepCopyInto(out *TransactionReceipt) { in, out := &in.EffectiveGasPrice, &out.EffectiveGasPrice *out = (*in).DeepCopy() } + if in.BlobGasPrice != nil { + in, out := &in.BlobGasPrice, &out.BlobGasPrice + *out = (*in).DeepCopy() + } + if in.BlobGasUsed != nil { + in, out := &in.BlobGasUsed, &out.BlobGasUsed + *out = (*in).DeepCopy() + } return }