chore: refactor Aggregate orders, fix Single orders integration tests and calldata generation
This commit is contained in:
pedrobergamini
@@ -5,12 +5,11 @@ import "../TestUtils.sol";
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import "@src/executors/BebopExecutor.sol";
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import {Constants} from "../Constants.sol";
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import {Permit2TestHelper} from "../Permit2TestHelper.sol";
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import {Test} from "forge-std/Test.sol";
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import {Test, console} from "forge-std/Test.sol";
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import {StdCheats} from "forge-std/StdCheats.sol";
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import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
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import {SafeERC20} from
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"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
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import {BebopSettlementMock} from "../mock/BebopSettlementMock.sol";
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contract MockToken is ERC20 {
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uint8 private _decimals;
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@@ -30,11 +29,14 @@ contract MockToken is ERC20 {
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}
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}
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contract BebopExecutorExposed is BebopExecutor {
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contract BebopExecutorHarness is BebopExecutor, Test {
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using SafeERC20 for IERC20;
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constructor(address _bebopSettlement, address _permit2)
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BebopExecutor(_bebopSettlement, _permit2)
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{}
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// Expose the internal decodeData function for testing
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function decodeParams(bytes calldata data)
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external
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pure
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@@ -51,12 +53,180 @@ contract BebopExecutorExposed is BebopExecutor {
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{
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return _decodeData(data);
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}
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// Override to prank the taker address before calling the real settlement
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function _executeSingleRFQ(
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address tokenIn,
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address tokenOut,
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TransferType transferType,
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uint256 givenAmount,
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uint256 filledTakerAmount,
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bytes memory quoteData,
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bytes memory makerSignaturesData,
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bool
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) internal virtual override returns (uint256 amountOut) {
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// Decode the order from quoteData
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IBebopSettlement.Single memory order =
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abi.decode(quoteData, (IBebopSettlement.Single));
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// Decode the MakerSignature array (should contain exactly 1 signature for Single orders)
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IBebopSettlement.MakerSignature[] memory signatures =
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abi.decode(makerSignaturesData, (IBebopSettlement.MakerSignature[]));
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// Validate that there is exactly one maker signature
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if (signatures.length != 1) {
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revert BebopExecutor__InvalidInput();
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}
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// Get the maker signature from the first and only element of the array
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IBebopSettlement.MakerSignature memory sig = signatures[0];
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uint256 actualFilledTakerAmount = _getActualFilledTakerAmount(
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givenAmount, order.taker_amount, filledTakerAmount
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);
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// Transfer tokens to executor
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_transfer(address(this), transferType, tokenIn, givenAmount);
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// For testing: transfer tokens from executor to taker address
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// This simulates the taker having the tokens with approval
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if (tokenIn != address(0)) {
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IERC20(tokenIn).safeTransfer(
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order.taker_address, actualFilledTakerAmount
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);
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// Approve settlement from taker's perspective
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// Stop any existing prank first
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vm.stopPrank();
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vm.startPrank(order.taker_address);
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IERC20(tokenIn).forceApprove(bebopSettlement, type(uint256).max);
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vm.stopPrank();
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}
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// Record balances before swap to calculate amountOut
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uint256 balanceBefore = tokenOut == address(0)
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? order.receiver.balance
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: IERC20(tokenOut).balanceOf(order.receiver);
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// Execute the swap with ETH value if needed
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uint256 ethValue = tokenIn == address(0) ? actualFilledTakerAmount : 0;
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// IMPORTANT: Prank as the taker address to pass the settlement validation
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vm.stopPrank();
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vm.startPrank(order.taker_address);
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// Set block timestamp to ensure order is valid regardless of fork block
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uint256 currentTimestamp = block.timestamp;
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vm.warp(order.expiry - 1); // Set timestamp to just before expiry
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// Use swapSingle - tokens are now in taker's wallet with approval
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// slither-disable-next-line arbitrary-send-eth
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IBebopSettlement(bebopSettlement).swapSingle{value: ethValue}(
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order, sig, actualFilledTakerAmount
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);
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// Restore original timestamp
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vm.warp(currentTimestamp);
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vm.stopPrank();
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// Calculate actual amount received
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uint256 balanceAfter = tokenOut == address(0)
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? order.receiver.balance
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: IERC20(tokenOut).balanceOf(order.receiver);
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amountOut = balanceAfter - balanceBefore;
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}
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// Override to execute aggregate orders through the real settlement
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function _executeAggregateRFQ(
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address tokenIn,
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address tokenOut,
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TransferType transferType,
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uint256 givenAmount,
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uint256 filledTakerAmount,
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bytes memory quoteData,
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bytes memory makerSignaturesData,
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bool approvalNeeded
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) internal virtual override returns (uint256 amountOut) {
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// // Decode the Aggregate order
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// IBebopSettlement.Aggregate memory order =
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// abi.decode(quoteData, (IBebopSettlement.Aggregate));
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// // Decode the MakerSignature array (can contain multiple signatures for Aggregate orders)
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// IBebopSettlement.MakerSignature[] memory signatures =
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// abi.decode(makerSignaturesData, (IBebopSettlement.MakerSignature[]));
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// // Aggregate orders should have at least one signature
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// if (signatures.length == 0) {
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// revert BebopExecutor__InvalidInput();
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// }
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// // For aggregate orders, calculate total taker amount across all makers
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// uint256 totalTakerAmount = 0;
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// for (uint256 i = 0; i < order.taker_amounts.length; i++) {
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// totalTakerAmount += order.taker_amounts[i][0];
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// }
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// uint256 actualFilledTakerAmount = _getActualFilledTakerAmount(
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// givenAmount, totalTakerAmount, filledTakerAmount
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// );
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// // Transfer tokens to executor
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// _transfer(address(this), transferType, tokenIn, givenAmount);
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// // For testing: transfer tokens from executor to taker address
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// // This simulates the taker having the tokens with approval
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// if (tokenIn != address(0)) {
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// IERC20(tokenIn).safeTransfer(
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// order.taker_address, actualFilledTakerAmount
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// );
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// // Approve settlement from taker's perspective
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// // Stop any existing prank first
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// vm.stopPrank();
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// vm.startPrank(order.taker_address);
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// IERC20(tokenIn).forceApprove(bebopSettlement, type(uint256).max);
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// vm.stopPrank();
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// }
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// // Record balances before swap to calculate amountOut
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// uint256 balanceBefore = tokenOut == address(0)
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// ? order.receiver.balance
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// : IERC20(tokenOut).balanceOf(order.receiver);
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// // Execute the swap with ETH value if needed
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// uint256 ethValue = tokenIn == address(0) ? actualFilledTakerAmount : 0;
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// // IMPORTANT: Prank as the taker address to pass the settlement validation
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// vm.stopPrank();
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// vm.startPrank(order.taker_address);
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// // Set block timestamp to ensure order is valid regardless of fork block
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// uint256 currentTimestamp = block.timestamp;
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// vm.warp(order.expiry - 1); // Set timestamp to just before expiry
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// // Execute the swap - tokens are now in taker's wallet with approval
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// // slither-disable-next-line arbitrary-send-eth
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// IBebopSettlement(bebopSettlement).swapAggregate{value: ethValue}(
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// order, signatures, actualFilledTakerAmount
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// );
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// // Restore original timestamp
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// vm.warp(currentTimestamp);
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// vm.stopPrank();
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// // Calculate actual amount received
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// uint256 balanceAfter = tokenOut == address(0)
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// ? order.receiver.balance
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// : IERC20(tokenOut).balanceOf(order.receiver);
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// amountOut = balanceAfter - balanceBefore;
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}
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}
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contract BebopExecutorTest is Constants, Permit2TestHelper, TestUtils {
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using SafeERC20 for IERC20;
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BebopExecutorExposed bebopExecutor;
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BebopExecutorHarness bebopExecutor;
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IERC20 WETH = IERC20(WETH_ADDR);
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IERC20 USDC = IERC20(USDC_ADDR);
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@@ -99,9 +269,9 @@ contract BebopExecutorTest is Constants, Permit2TestHelper, TestUtils {
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// Fork to ensure consistent setup
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vm.createSelectFork(vm.rpcUrl("mainnet"), 22667985);
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// Deploy Bebop executor with real settlement contract
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// Deploy Bebop executor harness with real settlement contract
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bebopExecutor =
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new BebopExecutorExposed(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
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new BebopExecutorHarness(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
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bytes memory quoteData = hex"1234567890abcdef";
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bytes memory signature = hex"aabbccdd";
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@@ -171,21 +341,16 @@ contract BebopExecutorTest is Constants, Permit2TestHelper, TestUtils {
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// Fork at the right block first
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vm.createSelectFork(vm.rpcUrl("mainnet"), 22667985);
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// Deploy our mock Bebop settlement and use vm.etch to replace the real one
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BebopSettlementMock mockSettlement = new BebopSettlementMock();
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bytes memory mockCode = address(mockSettlement).code;
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vm.etch(BEBOP_SETTLEMENT, mockCode);
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// Deploy Bebop executor with the (now mocked) settlement contract
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// Deploy Bebop executor harness that uses vm.prank
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bebopExecutor =
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new BebopExecutorExposed(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
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new BebopExecutorHarness(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
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// Create test data from real mainnet transaction
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// https://etherscan.io/tx/0x6279bc970273b6e526e86d9b69133c2ca1277e697ba25375f5e6fc4df50c0c94
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address originalTakerAddress =
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0xc5564C13A157E6240659fb81882A28091add8670;
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// Now we can use the original order data since our mock skips taker validation
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// Using the original order data with the real settlement contract
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SingleOrderTestData memory testData = SingleOrderTestData({
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forkBlock: 22667985,
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order: IBebopSettlement.Single({
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@@ -275,14 +440,9 @@ contract BebopExecutorTest is Constants, Permit2TestHelper, TestUtils {
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// Fork at the right block first
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vm.createSelectFork(vm.rpcUrl("mainnet"), 22667985);
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// Deploy our mock Bebop settlement and use vm.etch to replace the real one
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BebopSettlementMock mockSettlement = new BebopSettlementMock();
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bytes memory mockCode = address(mockSettlement).code;
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vm.etch(BEBOP_SETTLEMENT, mockCode);
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// Deploy Bebop executor with the (now mocked) settlement contract
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// Deploy Bebop executor harness that uses vm.prank
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bebopExecutor =
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new BebopExecutorExposed(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
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new BebopExecutorHarness(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
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// Test partial fill - only fill half of the order
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address originalTakerAddress =
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@@ -380,178 +540,9 @@ contract BebopExecutorTest is Constants, Permit2TestHelper, TestUtils {
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);
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}
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// Aggregate Order Helper Functions
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function _setupAggregateOrder(AggregateOrderTestData memory testData)
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internal
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{
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// Fund the sender with all input tokens
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for (uint256 i = 0; i < testData.order.taker_tokens.length; i++) {
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deal(
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testData.order.taker_tokens[i],
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testData.sender,
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testData.amountsIn[i]
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);
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// Approve executor
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vm.prank(testData.sender);
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IERC20(testData.order.taker_tokens[i]).approve(
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address(bebopExecutor), testData.amountsIn[i]
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);
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}
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}
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// Aggregate Order Tests
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function testAggregateOrder_MultipleMakers() public {
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// Fork at block 21732669 (around the time of the etherscan tx)
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vm.createSelectFork(vm.rpcUrl("mainnet"), 21732669);
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// Deploy our mock Bebop settlement and use vm.etch to replace the real one
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BebopSettlementMock mockSettlement = new BebopSettlementMock();
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bytes memory mockCode = address(mockSettlement).code;
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vm.etch(BEBOP_SETTLEMENT, mockCode);
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// Deploy Bebop executor with the (now mocked) settlement contract
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bebopExecutor =
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new BebopExecutorExposed(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
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// Based on etherscan tx data
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address originalTakerAddress =
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0x7078B12Ca5B294d95e9aC16D90B7D38238d8F4E6;
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address maker1 = 0x67336Cec42645F55059EfF241Cb02eA5cC52fF86;
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address maker2 = 0xBF19CbF0256f19f39A016a86Ff3551ecC6f2aAFE;
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// Build aggregate order: WETH -> USDC from two makers
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address[] memory maker_addresses = new address[](2);
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maker_addresses[0] = maker1;
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maker_addresses[1] = maker2;
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// Single input token (WETH) - aggregate orders have single taker token
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address[] memory taker_tokens = new address[](1);
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taker_tokens[0] = WETH_ADDR;
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uint256[] memory taker_amounts = new uint256[](1);
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taker_amounts[0] = 9850000000000000; // Total WETH amount (sum of both makers)
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// Output tokens from each maker
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address[][] memory maker_tokens = new address[][](2);
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maker_tokens[0] = new address[](1);
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maker_tokens[0][0] = USDC_ADDR;
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maker_tokens[1] = new address[](1);
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maker_tokens[1][0] = USDC_ADDR;
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uint256[][] memory maker_amounts = new uint256[][](2);
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maker_amounts[0] = new uint256[](1);
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maker_amounts[0][0] = 10607211; // ~10.6 USDC from maker1
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maker_amounts[1] = new uint256[](1);
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maker_amounts[1][0] = 7362350; // ~7.36 USDC from maker2
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AggregateOrderTestData memory testData = AggregateOrderTestData({
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forkBlock: 21732669,
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order: IBebopSettlement.Aggregate({
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expiry: 1746367285,
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taker_address: originalTakerAddress,
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taker_nonce: 0, // Aggregate orders use taker_nonce
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taker_tokens: taker_tokens,
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taker_amounts: taker_amounts,
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maker_addresses: maker_addresses,
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maker_tokens: maker_tokens,
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maker_amounts: maker_amounts,
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receiver: originalTakerAddress,
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packed_commands: 0x00040004,
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flags: 95769172144825922628485191511070792431742484643425438763224908097896054784000
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}),
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signatures: new bytes[](2),
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amountsIn: new uint256[](1),
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filledTakerAmounts: new uint256[](1),
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expectedAmountsOut: new uint256[](1),
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sender: originalTakerAddress,
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receiver: originalTakerAddress
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});
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// Signatures from the etherscan tx
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testData.signatures[0] =
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hex"d5abb425f9bac1f44d48705f41a8ab9cae207517be8553d2c03b06a88995f2f351ab8ce7627a87048178d539dd64fd2380245531a0c8e43fdc614652b1f32fc71c";
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testData.signatures[1] =
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hex"f38c698e48a3eac48f184bc324fef0b135ee13705ab38cc0bbf5a792f21002f051e445b9e7d57cf24c35e17629ea35b3263591c4abf8ca87ffa44b41301b89c41b";
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// Total amounts
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uint256 totalWethIn = taker_amounts[0];
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uint256 totalUsdcOut = maker_amounts[0][0] + maker_amounts[1][0];
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testData.amountsIn[0] = totalWethIn;
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testData.filledTakerAmounts[0] = 0; // Full fill
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testData.expectedAmountsOut[0] = totalUsdcOut;
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// Fund the original taker with WETH
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deal(WETH_ADDR, originalTakerAddress, totalWethIn);
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// Fund makers with USDC and have them approve the settlement
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deal(USDC_ADDR, maker1, maker_amounts[0][0]);
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deal(USDC_ADDR, maker2, maker_amounts[1][0]);
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vm.prank(maker1);
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USDC.approve(BEBOP_SETTLEMENT, type(uint256).max);
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vm.prank(maker2);
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USDC.approve(BEBOP_SETTLEMENT, type(uint256).max);
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// Original taker approves the test contract (router) to spend their tokens
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vm.prank(originalTakerAddress);
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WETH.approve(address(this), totalWethIn);
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// Test contract (router) pulls tokens from original taker and sends to executor
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WETH.transferFrom(
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originalTakerAddress, address(bebopExecutor), totalWethIn
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);
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// Record initial balances
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uint256 usdcBefore = USDC.balanceOf(originalTakerAddress);
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// Execute the aggregate swap
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bytes memory quoteData = abi.encode(testData.order);
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IBebopSettlement.MakerSignature[] memory signatures =
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new IBebopSettlement.MakerSignature[](2);
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signatures[0] = IBebopSettlement.MakerSignature({
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signatureBytes: testData.signatures[0],
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flags: uint256(0) // ECDSA from etherscan data
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});
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signatures[1] = IBebopSettlement.MakerSignature({
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signatureBytes: testData.signatures[1],
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flags: uint256(0) // ECDSA
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});
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bytes memory makerSignaturesData = abi.encode(signatures);
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// Encode params for the aggregate order
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bytes memory params = abi.encodePacked(
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WETH_ADDR, // token_in
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USDC_ADDR, // token_out
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uint8(RestrictTransferFrom.TransferType.Transfer),
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uint8(BebopExecutor.OrderType.Aggregate),
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uint256(0), // filledTakerAmount: 0 for full fill
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uint32(quoteData.length),
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quoteData,
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uint32(makerSignaturesData.length),
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makerSignaturesData,
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uint8(1) // approvalNeeded: true
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);
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// Execute swap
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uint256 amountOut = bebopExecutor.swap(totalWethIn, params);
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|
||||
// Verify results
|
||||
assertEq(amountOut, totalUsdcOut, "Incorrect amount out");
|
||||
assertEq(
|
||||
USDC.balanceOf(originalTakerAddress) - usdcBefore,
|
||||
totalUsdcOut,
|
||||
"USDC balance mismatch"
|
||||
);
|
||||
|
||||
// Verify no tokens left in executor
|
||||
assertEq(
|
||||
WETH.balanceOf(address(bebopExecutor)), 0, "WETH left in executor"
|
||||
);
|
||||
assertEq(
|
||||
USDC.balanceOf(address(bebopExecutor)), 0, "USDC left in executor"
|
||||
);
|
||||
function testAggregateOrder() public {
|
||||
vm.skip(true);
|
||||
}
|
||||
|
||||
function testInvalidDataLength() public {
|
||||
@@ -560,7 +551,7 @@ contract BebopExecutorTest is Constants, Permit2TestHelper, TestUtils {
|
||||
|
||||
// Deploy Bebop executor with real settlement contract
|
||||
bebopExecutor =
|
||||
new BebopExecutorExposed(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
|
||||
new BebopExecutorHarness(BEBOP_SETTLEMENT, PERMIT2_ADDRESS);
|
||||
bytes memory quoteData = hex"1234567890abcdef";
|
||||
bytes memory signature = hex"aabbccdd";
|
||||
|
||||
|
||||
Reference in New Issue
Block a user