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feat: consider EIP-7623 floor gas in message queue #118

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Merged
Thegaram merged 2 commits into from
Jun 11, 2025
Merged

feat: consider EIP-7623 floor gas in message queue #118

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342c9ea
feat: consider EIP-7623 floor gas in message queue
Thegaram Jun 11, 2025
64582c8
update tests
Thegaram Jun 11, 2025
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3 changes: 2 additions & 1 deletion src/L1/rollup/L1MessageQueueV2.sol
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Expand Up @@ -53,7 +53,8 @@ contract L1MessageQueueV2 is OwnableUpgradeable, IL1MessageQueueV2 {
uint256 private constant INTRINSIC_GAS_TX = 21000;

/// @notice The appropriate intrinsic gas for each byte.
uint256 private constant APPROPRIATE_INTRINSIC_GAS_PER_BYTE = 16;
// @dev This accounts for both intrinsic gas and EIP-7623 floor gas.
uint256 private constant APPROPRIATE_INTRINSIC_GAS_PER_BYTE = 40;

uint256 private constant PRECISION = 1e18;

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6 changes: 3 additions & 3 deletions src/test/L1MessageQueueV2.t.sol
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Expand Up @@ -135,15 +135,15 @@ contract L1MessageQueueV2Test is ScrollTestBase {
}

function testCalculateIntrinsicGasFee(bytes calldata data) external {
assertEq(queueV2.calculateIntrinsicGasFee(data), 21000 + data.length * 16);
assertEq(queueV2.calculateIntrinsicGasFee(data), 21000 + data.length * 40);
}

function testAppendCrossDomainMessage(
uint256 gasLimit,
bytes memory data,
uint256 timestamp
) external {
gasLimit = bound(gasLimit, 21000 + data.length * 16, 10000000);
gasLimit = bound(gasLimit, 21000 + data.length * 40, 10000000);
timestamp = bound(timestamp, 1, 2**31 - 1);

// should revert, when non-messenger call
Expand Down Expand Up @@ -197,7 +197,7 @@ contract L1MessageQueueV2Test is ScrollTestBase {
bytes memory data,
uint256 timestamp
) external {
gasLimit = bound(gasLimit, 21000 + data.length * 16, 10000000);
gasLimit = bound(gasLimit, 21000 + data.length * 40, 10000000);
timestamp = bound(timestamp, 1, 2**31 - 1);

// should revert, when non-gateway call
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8 changes: 4 additions & 4 deletions src/test/L1ScrollMessengerTest.t.sol
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Expand Up @@ -256,13 +256,13 @@ contract L1ScrollMessengerTest is L1GatewayTestBase {
// 32B value
// 32B nonce
// message byte array (32B offset + 32B length + bytes (padding to multiple of 32))
// So the intrinsic gas must be greater than 21000 + 16 * 228 = 24648
uint256 _fee = messageQueueV2.estimateL2BaseFee() * 24648;
l1Messenger.sendMessage{value: _fee + value}(address(0), value, hex"0011220033", 24648);
// So the intrinsic gas must be greater than 21000 + 40 * 228 = 30120
uint256 _fee = messageQueueV2.estimateL2BaseFee() * 30120;
l1Messenger.sendMessage{value: _fee + value}(address(0), value, hex"0011220033", 30120);

// insufficient intrinsic gas
hevm.expectRevert(L1MessageQueueV2.ErrorGasLimitBelowIntrinsicGas.selector);
l1Messenger.sendMessage{value: _fee + value}(address(0), 1, hex"0011220033", 24647);
l1Messenger.sendMessage{value: _fee + value}(address(0), 1, hex"0011220033", 30119);

// gas limit exceeds the max value
uint256 gasLimit = 100000000;
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