122 lines
3.8 KiB
Solidity
122 lines
3.8 KiB
Solidity
// SPDX-License-Identifier: BUSL-1.1
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pragma solidity ^0.8.26;
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import "../TestUtils.sol";
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import "@src/executors/BalancerV2Executor.sol";
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import {Constants} from "../Constants.sol";
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contract BalancerV2ExecutorExposed is BalancerV2Executor {
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constructor(address _permit2) BalancerV2Executor(_permit2) {}
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function decodeParams(bytes calldata data)
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external
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pure
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returns (
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IERC20 tokenIn,
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IERC20 tokenOut,
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bytes32 poolId,
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address receiver,
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bool needsApproval,
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bool transferNeeded
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)
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{
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return _decodeData(data);
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}
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}
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contract BalancerV2ExecutorTest is Constants, TestUtils {
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using SafeERC20 for IERC20;
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BalancerV2ExecutorExposed balancerV2Exposed;
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IERC20 WETH = IERC20(WETH_ADDR);
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IERC20 BAL = IERC20(BAL_ADDR);
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bytes32 constant WETH_BAL_POOL_ID =
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0x5c6ee304399dbdb9c8ef030ab642b10820db8f56000200000000000000000014;
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function setUp() public {
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uint256 forkBlock = 17323404;
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vm.createSelectFork(vm.rpcUrl("mainnet"), forkBlock);
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balancerV2Exposed = new BalancerV2ExecutorExposed(PERMIT2_ADDRESS);
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}
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function testDecodeParams() public view {
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bytes memory params = abi.encodePacked(
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WETH_ADDR, BAL_ADDR, WETH_BAL_POOL_ID, address(2), true, false
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);
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(
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IERC20 tokenIn,
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IERC20 tokenOut,
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bytes32 poolId,
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address receiver,
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bool needsApproval,
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bool transferNeeded
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) = balancerV2Exposed.decodeParams(params);
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assertEq(address(tokenIn), WETH_ADDR);
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assertEq(address(tokenOut), BAL_ADDR);
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assertEq(poolId, WETH_BAL_POOL_ID);
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assertEq(receiver, address(2));
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assertEq(needsApproval, true);
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}
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function testDecodeParamsInvalidDataLength() public {
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bytes memory invalidParams =
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abi.encodePacked(WETH_ADDR, BAL_ADDR, WETH_BAL_POOL_ID, address(2));
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vm.expectRevert(BalancerV2Executor__InvalidDataLength.selector);
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balancerV2Exposed.decodeParams(invalidParams);
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}
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function testSwap() public {
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uint256 amountIn = 10 ** 18;
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bytes memory protocolData = abi.encodePacked(
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WETH_ADDR, BAL_ADDR, WETH_BAL_POOL_ID, BOB, true, false
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);
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deal(WETH_ADDR, address(balancerV2Exposed), amountIn);
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uint256 balanceBefore = BAL.balanceOf(BOB);
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uint256 amountOut = balancerV2Exposed.swap(amountIn, protocolData);
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uint256 balanceAfter = BAL.balanceOf(BOB);
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assertGt(balanceAfter, balanceBefore);
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assertEq(balanceAfter - balanceBefore, amountOut);
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}
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function testDecodeIntegration() public view {
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bytes memory protocolData =
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loadCallDataFromFile("test_encode_balancer_v2");
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(
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IERC20 tokenIn,
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IERC20 tokenOut,
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bytes32 poolId,
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address receiver,
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bool needsApproval,
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bool transferNeeded
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) = balancerV2Exposed.decodeParams(protocolData);
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assertEq(address(tokenIn), WETH_ADDR);
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assertEq(address(tokenOut), BAL_ADDR);
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assertEq(poolId, WETH_BAL_POOL_ID);
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assertEq(receiver, BOB);
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assertEq(needsApproval, true);
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}
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function testSwapIntegration() public {
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// Generated by the SwapEncoder - test_encode_balancer_v2
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bytes memory protocolData =
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loadCallDataFromFile("test_encode_balancer_v2");
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uint256 amountIn = 10 ** 18;
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deal(WETH_ADDR, address(balancerV2Exposed), amountIn);
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uint256 balanceBefore = BAL.balanceOf(BOB);
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uint256 amountOut = balancerV2Exposed.swap(amountIn, protocolData);
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uint256 balanceAfter = BAL.balanceOf(BOB);
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assertGt(balanceAfter, balanceBefore);
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assertEq(balanceAfter - balanceBefore, amountOut);
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}
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}
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