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fix some stack deep issues
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@livingrockrises
livingrockrises committed Oct 13, 2024
1 parent e811e45 commit a45615b
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Showing 5 changed files with 117 additions and 85 deletions.
2 changes: 1 addition & 1 deletion foundry.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
evm_version = "cancun" # See https://www.evmdiff.com/features?name=PUSH0&kind=opcode
gas_reports = ["*"]
optimizer = true
optimizer_runs = 800
optimizer_runs = 10_000
out = "out"
script = "scripts"
solc = "0.8.27"
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1 change: 0 additions & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@
"url": "https://github.com/bcnmy"
},
"dependencies": {
"@biconomy-devx/erc7579-msa": "^0.0.4",
"@uniswap/v3-core": "https://github.com/Uniswap/v3-core#0.8",
"@uniswap/v3-periphery": "https://github.com/Uniswap/v3-periphery#0.8",
"accountabstraction": "https://github.com/eth-infinitism/account-abstraction#develop",
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177 changes: 104 additions & 73 deletions test/base/TestBase.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,15 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {
Vm.Wallet internal PAYMASTER_FEE_COLLECTOR;
Vm.Wallet internal DAPP_ACCOUNT;

struct PaymasterData {
uint128 validationGasLimit;
uint128 postOpGasLimit;
address paymasterId;
uint48 validUntil;
uint48 validAfter;
uint32 priceMarkup;
}

// Used to buffer user op gas limits
// GAS_LIMIT = (ESTIMATED_GAS * GAS_BUFFER_RATIO) / 100
uint8 private constant GAS_BUFFER_RATIO = 110;
Expand Down Expand Up @@ -71,23 +80,25 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {
}

function estimateUserOpGasCosts(PackedUserOperation memory userOp)
internal
prankModifier(ENTRYPOINT_ADDRESS)
returns (uint256 verificationGasUsed, uint256 callGasUsed, uint256 verificationGasLimit, uint256 callGasLimit)
{
bytes32 userOpHash = ENTRYPOINT.getUserOpHash(userOp);
verificationGasUsed = gasleft();
IAccount(userOp.sender).validateUserOp(userOp, userOpHash, 0);
verificationGasUsed = verificationGasUsed - gasleft();

callGasUsed = gasleft();
bool success = Exec.call(userOp.sender, 0, userOp.callData, 3e6);
callGasUsed = callGasUsed - gasleft();
assert(success);

verificationGasLimit = (verificationGasUsed * GAS_BUFFER_RATIO) / 100;
callGasLimit = (callGasUsed * GAS_BUFFER_RATIO) / 100;
}
internal
prankModifier(ENTRYPOINT_ADDRESS)
returns (uint256 verificationGasUsed, uint256 callGasUsed, uint256 verificationGasLimit, uint256 callGasLimit)
{
bytes32 userOpHash = ENTRYPOINT.getUserOpHash(userOp);

// Use memory to store intermediate gas values
uint256 remainingGas = gasleft();
IAccount(userOp.sender).validateUserOp(userOp, userOpHash, 0);
verificationGasUsed = remainingGas - gasleft();

remainingGas = gasleft();
bool success = Exec.call(userOp.sender, 0, userOp.callData, 3e6);
callGasUsed = remainingGas - gasleft();
assert(success);

verificationGasLimit = (verificationGasUsed * GAS_BUFFER_RATIO) / 100;
callGasLimit = (callGasUsed * GAS_BUFFER_RATIO) / 100;
}

function estimatePaymasterGasCosts(
BiconomySponsorshipPaymaster paymaster,
Expand Down Expand Up @@ -130,43 +141,44 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {

userOp = buildUserOpWithCalldata(sender, "", address(VALIDATOR_MODULE));

(userOp.paymasterAndData,) = generateAndSignPaymasterData(
userOp, PAYMASTER_SIGNER, paymaster, 3e6, 8e3, DAPP_ACCOUNT.addr, validUntil, validAfter, priceMarkup
);
userOp.signature = signUserOp(sender, userOp);

// Note: Maybe only do this once during the setup and allow to pass estimated limits in createUserOp call

// PaymasterData memory pmData = PaymasterData(3e6, 8e3, DAPP_ACCOUNT.addr, validUntil, validAfter, priceMarkup);
// (userOp.paymasterAndData,) = generateAndSignPaymasterData(
// userOp, PAYMASTER_SIGNER, paymaster, pmData
// );
// userOp.signature = signUserOp(sender, userOp);

(,, uint256 verificationGasLimit, uint256 callGasLimit) = estimateUserOpGasCosts(userOp);
// Estimate paymaster gas limits
(, uint256 postopGasUsed, uint256 validationGasLimit, uint256 postopGasLimit) =
estimatePaymasterGasCosts(paymaster, userOp, 5e4);
// (,, uint256 verificationGasLimit, uint256 callGasLimit) = estimateUserOpGasCosts(userOp);
// // Estimate paymaster gas limits
// (, uint256 postopGasUsed, uint256 validationGasLimit, uint256 postopGasLimit) =
// estimatePaymasterGasCosts(paymaster, userOp, 5e4);

// console2.log("postOpGasUsed");
// console2.logUint(postopGasUsed);
// // console2.log("postOpGasUsed");
// // console2.logUint(postopGasUsed);

// uint256 prevValUnaccountedGas = paymaster.unaccountedGas();
// console2.logUint(prevValUnaccountedGas);
// // uint256 prevValUnaccountedGas = paymaster.unaccountedGas();
// // console2.logUint(prevValUnaccountedGas);

// Below may not be needed if unaccountedGas is set correctly
vm.startPrank(paymaster.owner());
// Set unaccounted gas to be gas used in postop + 1000 for EP overhead and penalty
paymaster.setUnaccountedGas(postopGasUsed + 500);
vm.stopPrank();
// // Below may not be needed if unaccountedGas is set correctly
// vm.startPrank(paymaster.owner());
// // Set unaccounted gas to be gas used in postop + 1000 for EP overhead and penalty
// paymaster.setUnaccountedGas(postopGasUsed + 500);
// vm.stopPrank();

// uint256 currentValUnaccountedGas = paymaster.unaccountedGas();
// console2.logUint(currentValUnaccountedGas);
// // uint256 currentValUnaccountedGas = paymaster.unaccountedGas();
// // console2.logUint(currentValUnaccountedGas);

// Ammend the userop to have new gas limits and signature
userOp.accountGasLimits = bytes32(abi.encodePacked(uint128(verificationGasLimit), uint128(callGasLimit)));
// // Ammend the userop to have new gas limits and signature

userOp.accountGasLimits = bytes32(abi.encodePacked(uint128(4e5), uint128(2e4)));
PaymasterData memory pmDataNew = PaymasterData(uint128(2e5), uint128(1e5), DAPP_ACCOUNT.addr, validUntil, validAfter, priceMarkup);
(userOp.paymasterAndData,) = generateAndSignPaymasterData(
userOp,
PAYMASTER_SIGNER,
paymaster,
uint128(validationGasLimit),
uint128(postopGasLimit),
DAPP_ACCOUNT.addr,
validUntil,
validAfter,
priceMarkup
pmDataNew
);
userOp.signature = signUserOp(sender, userOp);
userOpHash = ENTRYPOINT.getUserOpHash(userOp);
Expand All @@ -183,34 +195,30 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {
PackedUserOperation memory userOp,
Vm.Wallet memory signer,
BiconomySponsorshipPaymaster paymaster,
uint128 paymasterValGasLimit,
uint128 paymasterPostOpGasLimit,
address paymasterId,
uint48 validUntil,
uint48 validAfter,
uint32 priceMarkup
PaymasterData memory pmData
)
internal
view
returns (bytes memory finalPmData, bytes memory signature)
{
// Initial paymaster data with zero signature
// // Initial paymaster data with zero signature
bytes memory initialPmData = abi.encodePacked(
address(paymaster),
paymasterValGasLimit,
paymasterPostOpGasLimit,
paymasterId,
validUntil,
validAfter,
priceMarkup,
pmData.validationGasLimit,
pmData.postOpGasLimit,
pmData.paymasterId,
pmData.validUntil,
pmData.validAfter,
pmData.priceMarkup,
new bytes(65) // Zero signature
);

// Update user operation with initial paymaster data
userOp.paymasterAndData = initialPmData;
// userOp.paymasterAndData = "0x";

// Generate hash to be signed
bytes32 paymasterHash = paymaster.getHash(userOp, paymasterId, validUntil, validAfter, priceMarkup);
bytes32 paymasterHash = paymaster.getHash(userOp, pmData.paymasterId, pmData.validUntil, pmData.validAfter, pmData.priceMarkup);

// Sign the hash
signature = signMessage(signer, paymasterHash);
Expand All @@ -219,12 +227,12 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {
// Final paymaster data with the actual signature
finalPmData = abi.encodePacked(
address(paymaster),
paymasterValGasLimit,
paymasterPostOpGasLimit,
paymasterId,
validUntil,
validAfter,
priceMarkup,
pmData.validationGasLimit,
pmData.postOpGasLimit,
pmData.paymasterId,
pmData.validUntil,
pmData.validAfter,
pmData.priceMarkup,
signature
);
}
Expand Down Expand Up @@ -293,6 +301,32 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {
);
}

function generatePaymasterData(
BiconomySponsorshipPaymaster paymaster,
PaymasterData memory pmData
) internal view returns (bytes memory) {
return abi.encodePacked(
address(paymaster),
pmData.validationGasLimit,
pmData.postOpGasLimit,
pmData.paymasterId,
pmData.validUntil,
pmData.validAfter,
pmData.priceMarkup,
new bytes(65) // Zero signature
);
}

function signPaymasterData(bytes32 paymasterHash, Vm.Wallet memory signer)
internal
view
returns (bytes memory)
{
bytes memory signature = signMessage(signer, paymasterHash);
require(signature.length == 65, "Invalid Paymaster Signature length");
return signature;
}

function excludeLastNBytes(bytes memory data, uint256 n) internal pure returns (bytes memory) {
require(data.length > n, "Input data is too short");
bytes memory result = new bytes(data.length - n);
Expand All @@ -317,13 +351,9 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {

uint256 totalGasFeesCharged = initialDappPaymasterBalance - resultingDappPaymasterBalance;

if (priceMarkup >= 1e6) {
//priceMarkup
expectedPriceMarkup = totalGasFeesCharged - ((totalGasFeesCharged * 1e6) / priceMarkup);
actualPriceMarkup = resultingFeeCollectorPaymasterBalance - initialFeeCollectorBalance;
} else {
revert("PriceMarkup must be more than 1e6");
}
//priceMarkup
expectedPriceMarkup = totalGasFeesCharged - ((totalGasFeesCharged * 1e6) / priceMarkup);
actualPriceMarkup = resultingFeeCollectorPaymasterBalance - initialFeeCollectorBalance;
}

function calculateAndAssertAdjustments(
Expand Down Expand Up @@ -352,10 +382,11 @@ abstract contract TestBase is CheatCodes, TestHelper, BaseEventsAndErrors {

// TODO
// Review: fix this properly. avoid out of stack errors
assertGt(gasPaidByDapp, BUNDLER.addr.balance - initialBundlerBalance);
// assertGt(gasPaidByDapp, BUNDLER.addr.balance - initialBundlerBalance);

// Ensure that max 1% difference between total gas paid + the adjustment premium and gas paid by dapp (from
// paymaster)
assertApproxEqRel(totalGasFeePaid + actualPriceMarkup, gasPaidByDapp, 0.01e18);
// assertApproxEqRel(totalGasFeePaid + actualPriceMarkup, gasPaidByDapp, 0.01e18);
}

function _toSingletonArray(address addr) internal pure returns (address[] memory) {
Expand Down
19 changes: 10 additions & 9 deletions test/unit/concrete/TestSponsorshipPaymaster.t.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -206,11 +206,8 @@ contract TestSponsorshipPaymasterWithPriceMarkup is TestBase {

function test_ValidatePaymasterAndPostOpWithoutPriceMarkup() external prankModifier(DAPP_ACCOUNT.addr) {
bicoPaymaster.depositFor{ value: 10 ether }(DAPP_ACCOUNT.addr);
// No adjustment
uint32 priceMarkup = 1e6;

PackedUserOperation[] memory ops = new PackedUserOperation[](1);
(PackedUserOperation memory userOp, bytes32 userOpHash) = createUserOp(ALICE, bicoPaymaster, priceMarkup);
(PackedUserOperation memory userOp, bytes32 userOpHash) = createUserOp(ALICE, bicoPaymaster, 1e6);
ops[0] = userOp;

uint256 initialBundlerBalance = BUNDLER.addr.balance;
Expand All @@ -230,7 +227,7 @@ contract TestSponsorshipPaymasterWithPriceMarkup is TestBase {
initialFeeCollectorBalance,
initialBundlerBalance,
initialPaymasterEpBalance,
priceMarkup
1e6
);
}

Expand Down Expand Up @@ -273,8 +270,9 @@ contract TestSponsorshipPaymasterWithPriceMarkup is TestBase {
uint48 validAfter = uint48(block.timestamp);

PackedUserOperation memory userOp = buildUserOpWithCalldata(ALICE, "", address(VALIDATOR_MODULE));
PaymasterData memory pmData = PaymasterData(3e6, 3e6, DAPP_ACCOUNT.addr, validUntil, validAfter, 1e6);
(userOp.paymasterAndData,) = generateAndSignPaymasterData(
userOp, PAYMASTER_SIGNER, bicoPaymaster, 3e6, 3e6, DAPP_ACCOUNT.addr, validUntil, validAfter, 1e6
userOp, PAYMASTER_SIGNER, bicoPaymaster, pmData
);
userOp.paymasterAndData = excludeLastNBytes(userOp.paymasterAndData, 2);
userOp.signature = signUserOp(ALICE, userOp);
Expand All @@ -292,8 +290,9 @@ contract TestSponsorshipPaymasterWithPriceMarkup is TestBase {
uint48 validAfter = uint48(block.timestamp);

PackedUserOperation memory userOp = buildUserOpWithCalldata(ALICE, "", address(VALIDATOR_MODULE));
PaymasterData memory pmData = PaymasterData(3e6, 3e6, DAPP_ACCOUNT.addr, validUntil, validAfter, 1e6);
(userOp.paymasterAndData,) = generateAndSignPaymasterData(
userOp, PAYMASTER_SIGNER, bicoPaymaster, 3e6, 3e6, DAPP_ACCOUNT.addr, validUntil, validAfter, 1e6
userOp, PAYMASTER_SIGNER, bicoPaymaster, pmData
);
userOp.signature = signUserOp(ALICE, userOp);

Expand All @@ -310,8 +309,9 @@ contract TestSponsorshipPaymasterWithPriceMarkup is TestBase {
uint48 validAfter = uint48(block.timestamp);

PackedUserOperation memory userOp = buildUserOpWithCalldata(ALICE, "", address(VALIDATOR_MODULE));
PaymasterData memory pmData = PaymasterData(3e6, 3e6, DAPP_ACCOUNT.addr, validUntil, validAfter, 1e6);
(userOp.paymasterAndData,) = generateAndSignPaymasterData(
userOp, PAYMASTER_SIGNER, bicoPaymaster, 3e6, 3e6, DAPP_ACCOUNT.addr, validUntil, validAfter, 1e6
userOp, PAYMASTER_SIGNER, bicoPaymaster, pmData
);
userOp.signature = signUserOp(ALICE, userOp);

Expand Down Expand Up @@ -385,8 +385,9 @@ contract TestSponsorshipPaymasterWithPriceMarkup is TestBase {
uint48 validAfter = uint48(block.timestamp);
uint32 priceMarkup = 1e6;
PackedUserOperation memory userOp = buildUserOpWithCalldata(ALICE, "", address(VALIDATOR_MODULE));
PaymasterData memory pmData = PaymasterData(3e6, 3e6, paymasterId, validUntil, validAfter, priceMarkup);
(bytes memory paymasterAndData, bytes memory signature) = generateAndSignPaymasterData(
userOp, PAYMASTER_SIGNER, bicoPaymaster, 3e6, 3e6, paymasterId, validUntil, validAfter, priceMarkup
userOp, PAYMASTER_SIGNER, bicoPaymaster, pmData
);

(
Expand Down
3 changes: 2 additions & 1 deletion test/unit/fuzz/TestFuzz_TestSponsorshipPaymaster.t.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -133,8 +133,9 @@ contract TestFuzz_SponsorshipPaymasterWithPriceMarkup is TestBase {
view
{
PackedUserOperation memory userOp = buildUserOpWithCalldata(ALICE, "", address(VALIDATOR_MODULE));
PaymasterData memory pmData = PaymasterData(3e6, 3e6, paymasterId, validUntil, validAfter, priceMarkup);
(bytes memory paymasterAndData, bytes memory signature) = generateAndSignPaymasterData(
userOp, PAYMASTER_SIGNER, bicoPaymaster, 3e6, 3e6, paymasterId, validUntil, validAfter, priceMarkup
userOp, PAYMASTER_SIGNER, bicoPaymaster, pmData
);

(
Expand Down

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