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// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;
/* Testing utilities */
import { Test } from "forge-std/Test.sol";
import { Vm } from "forge-std/Vm.sol";
import "./CommonTest.t.sol";
import { CrossDomainMessenger } from "../universal/CrossDomainMessenger.sol";
import { ResourceMetering } from "../L1/ResourceMetering.sol";
// Free function for setting the prevBaseFee param in the OptimismPortal.
function setPrevBaseFee(
Vm _vm,
address _op,
uint128 _prevBaseFee
) {
_vm.store(address(_op), bytes32(uint256(1)), bytes32((block.number << 192) | _prevBaseFee));
}
contract SetPrevBaseFee_Test is Portal_Initializer {
function test_setPrevBaseFee_succeeds() external {
setPrevBaseFee(vm, address(op), 100 gwei);
(uint128 prevBaseFee, , uint64 prevBlockNum) = op.params();
assertEq(uint256(prevBaseFee), 100 gwei);
assertEq(uint256(prevBlockNum), block.number);
}
}
// Tests for obtaining pure gas cost estimates for commonly used functions.
// The objective with these benchmarks is to strip down the actual test functions
// so that they are nothing more than the call we want measure the gas cost of.
// In order to achieve this we make no assertions, and handle everything else in the setUp()
// function.
contract GasBenchMark_OptimismPortal is Portal_Initializer {
uint128 internal INITIAL_BASE_FEE;
// Reusable default values for a test withdrawal
Types.WithdrawalTransaction _defaultTx;
uint256 _proposedOutputIndex;
uint256 _proposedBlockNumber;
bytes[] _withdrawalProof;
Types.OutputRootProof internal _outputRootProof;
bytes32 _outputRoot;
// Use a constructor to set the storage vars above, so as to minimize the number of ffi calls.
constructor() {
super.setUp();
_defaultTx = Types.WithdrawalTransaction({
nonce: 0,
sender: alice,
target: bob,
value: 100,
gasLimit: 100_000,
data: hex""
});
// Get withdrawal proof data we can use for testing.
bytes32 _storageRoot;
bytes32 _stateRoot;
(_stateRoot, _storageRoot, _outputRoot, , _withdrawalProof) = ffi
.getProveWithdrawalTransactionInputs(_defaultTx);
// Setup a dummy output root proof for reuse.
_outputRootProof = Types.OutputRootProof({
version: bytes32(uint256(0)),
stateRoot: _stateRoot,
messagePasserStorageRoot: _storageRoot,
latestBlockhash: bytes32(uint256(0))
});
_proposedBlockNumber = oracle.nextBlockNumber();
_proposedOutputIndex = oracle.nextOutputIndex();
}
// Get the system into a nice ready-to-use state.
function setUp() public virtual override {
// Configure the oracle to return the output root we've prepared.
vm.warp(oracle.computeL2Timestamp(_proposedBlockNumber) + 1);
vm.prank(oracle.PROPOSER());
oracle.proposeL2Output(_outputRoot, _proposedBlockNumber, 0, 0);
// Warp beyond the finalization period for the block we've proposed.
vm.warp(
oracle.getL2Output(_proposedOutputIndex).timestamp +
oracle.FINALIZATION_PERIOD_SECONDS() +
1
);
INITIAL_BASE_FEE = op.INITIAL_BASE_FEE();
// Fund the portal so that we can withdraw ETH.
vm.deal(address(op), 0xFFFFFFFF);
}
function test_depositTransaction_benchmark() external {
op.depositTransaction{ value: NON_ZERO_VALUE }(
NON_ZERO_ADDRESS,
ZERO_VALUE,
NON_ZERO_GASLIMIT,
false,
NON_ZERO_DATA
);
}
function test_depositTransaction_benchmark_1() external {
setPrevBaseFee(vm, address(op), INITIAL_BASE_FEE);
op.depositTransaction{ value: NON_ZERO_VALUE }(
NON_ZERO_ADDRESS,
ZERO_VALUE,
NON_ZERO_GASLIMIT,
false,
NON_ZERO_DATA
);
}
function test_proveWithdrawalTransaction_benchmark() external {
op.proveWithdrawalTransaction(
_defaultTx,
_proposedOutputIndex,
_outputRootProof,
_withdrawalProof
);
}
}
contract GasBenchMark_L1CrossDomainMessenger is Messenger_Initializer {
uint128 internal INITIAL_BASE_FEE;
function setUp() public virtual override {
super.setUp();
INITIAL_BASE_FEE = op.INITIAL_BASE_FEE();
}
function test_sendMessage_benchmark_0() external {
vm.pauseGasMetering();
setPrevBaseFee(vm, address(op), INITIAL_BASE_FEE);
// The amount of data typically sent during a bridge deposit.
bytes
memory data = hex"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
vm.resumeGasMetering();
L1Messenger.sendMessage(bob, data, uint32(100));
}
function test_sendMessage_benchmark_1() external {
vm.pauseGasMetering();
setPrevBaseFee(vm, address(op), 10 gwei);
// The amount of data typically sent during a bridge deposit.
bytes
memory data = hex"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
vm.resumeGasMetering();
L1Messenger.sendMessage(bob, data, uint32(100));
}
}
contract GasBenchMark_L1StandardBridge_Deposit is Bridge_Initializer {
uint128 internal INITIAL_BASE_FEE;
function setUp() public virtual override {
super.setUp();
INITIAL_BASE_FEE = op.INITIAL_BASE_FEE();
deal(address(L1Token), alice, 100000, true);
vm.startPrank(alice, alice);
L1Token.approve(address(L1Bridge), type(uint256).max);
}
function test_depositETH_benchmark_0() external {
vm.pauseGasMetering();
setPrevBaseFee(vm, address(op), INITIAL_BASE_FEE);
vm.resumeGasMetering();
L1Bridge.depositETH{ value: 500 }(50000, hex"");
}
function test_depositETH_benchmark_1() external {
vm.pauseGasMetering();
setPrevBaseFee(vm, address(op), 10 gwei);
vm.resumeGasMetering();
L1Bridge.depositETH{ value: 500 }(50000, hex"");
}
function test_depositERC20_benchmark_0() external {
vm.pauseGasMetering();
setPrevBaseFee(vm, address(op), INITIAL_BASE_FEE);
vm.resumeGasMetering();
L1Bridge.bridgeERC20({
_localToken: address(L1Token),
_remoteToken: address(L2Token),
_amount: 100,
_minGasLimit: 100_000,
_extraData: hex""
});
}
function test_depositERC20_benchmark_1() external {
vm.pauseGasMetering();
setPrevBaseFee(vm, address(op), 10 gwei);
vm.resumeGasMetering();
L1Bridge.bridgeERC20({
_localToken: address(L1Token),
_remoteToken: address(L2Token),
_amount: 100,
_minGasLimit: 100_000,
_extraData: hex""
});
}
}
contract GasBenchMark_L1StandardBridge_Finalize is Bridge_Initializer {
function setUp() public virtual override {
super.setUp();
deal(address(L1Token), address(L1Bridge), 100, true);
vm.mockCall(
address(L1Bridge.messenger()),
abi.encodeWithSelector(CrossDomainMessenger.xDomainMessageSender.selector),
abi.encode(address(L1Bridge.OTHER_BRIDGE()))
);
vm.startPrank(address(L1Bridge.messenger()));
vm.deal(address(L1Bridge.messenger()), 100);
}
function test_finalizeETHWithdrawal_benchmark() external {
// TODO: Make this more accurate. It is underestimating the cost because it pranks
// the call coming from the messenger, which bypasses the portal
// and oracle.
L1Bridge.finalizeETHWithdrawal{ value: 100 }(alice, alice, 100, hex"");
}
}
contract GasBenchMark_L2OutputOracle is L2OutputOracle_Initializer {
uint256 nextBlockNumber;
function setUp() public override {
super.setUp();
nextBlockNumber = oracle.nextBlockNumber();
warpToProposeTime(nextBlockNumber);
vm.startPrank(proposer);
}
function test_proposeL2Output_benchmark() external {
oracle.proposeL2Output(nonZeroHash, nextBlockNumber, 0, 0);
}
}