Files
tycho-execution/foundry/test/executors/BalancerV2Executor.t.sol
2025-02-04 19:56:52 +05:30

122 lines
4.0 KiB
Solidity

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
import "@src/executors/BalancerV2Executor.sol";
import {Test} from "../../lib/forge-std/src/Test.sol";
import {Constants} from "../Constants.sol";
contract BalancerV2ExecutorExposed is BalancerV2Executor {
function decodeParams(bytes calldata data)
external
pure
returns (
IERC20 tokenIn,
IERC20 tokenOut,
bytes32 poolId,
address receiver,
bool needsApproval
)
{
return _decodeData(data);
}
}
contract BalancerV2ExecutorTest is
BalancerV2ExecutorExposed,
Test,
Constants
{
using SafeERC20 for IERC20;
BalancerV2ExecutorExposed balancerV2Exposed;
IERC20 WETH = IERC20(WETH_ADDR);
IERC20 BAL = IERC20(BAL_ADDR);
bytes32 constant WETH_BAL_POOL_ID =
0x5c6ee304399dbdb9c8ef030ab642b10820db8f56000200000000000000000014;
function setUp() public {
uint256 forkBlock = 17323404;
vm.createSelectFork(vm.rpcUrl("mainnet"), forkBlock);
balancerV2Exposed = new BalancerV2ExecutorExposed();
}
function testDecodeParams() public view {
bytes memory params = abi.encodePacked(
WETH_ADDR, BAL_ADDR, WETH_BAL_POOL_ID, address(2), true
);
(
IERC20 tokenIn,
IERC20 tokenOut,
bytes32 poolId,
address receiver,
bool needsApproval
) = balancerV2Exposed.decodeParams(params);
assertEq(address(tokenIn), WETH_ADDR);
assertEq(address(tokenOut), BAL_ADDR);
assertEq(poolId, WETH_BAL_POOL_ID);
assertEq(receiver, address(2));
assertEq(needsApproval, true);
}
function testDecodeParamsInvalidDataLength() public {
bytes memory invalidParams =
abi.encodePacked(WETH_ADDR, BAL_ADDR, WETH_BAL_POOL_ID, address(2));
vm.expectRevert(BalancerV2Executor__InvalidDataLength.selector);
balancerV2Exposed.decodeParams(invalidParams);
}
function testSwap() public {
uint256 amountIn = 10 ** 18;
bytes memory protocolData =
abi.encodePacked(WETH_ADDR, BAL_ADDR, WETH_BAL_POOL_ID, BOB, true);
deal(WETH_ADDR, address(balancerV2Exposed), amountIn);
uint256 balanceBefore = BAL.balanceOf(BOB);
uint256 amountOut = balancerV2Exposed.swap(amountIn, protocolData);
uint256 balanceAfter = BAL.balanceOf(BOB);
assertGt(balanceAfter, balanceBefore);
assertEq(balanceAfter - balanceBefore, amountOut);
}
function testSwapExecutorEncoderData() public {
// Generated by the SwapEncoder - test_encode_balancer_v2
bytes memory protocolData =
hex"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2ba100000625a3754423978a60c9317c58a424e3d5c6ee304399dbdb9c8ef030ab642b10820db8f560002000000000000000000141d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e01";
(
IERC20 tokenIn,
IERC20 tokenOut,
bytes32 poolId,
address receiver,
bool needsApproval
) = balancerV2Exposed.decodeParams(protocolData);
assertEq(address(tokenIn), WETH_ADDR);
assertEq(address(tokenOut), BAL_ADDR);
assertEq(poolId, WETH_BAL_POOL_ID);
assertEq(receiver, BOB);
assertEq(needsApproval, true);
}
function testSwapExecutorSwap() public {
// Generated by the SwapEncoder - test_encode_balancer_v2
bytes memory protocolData =
hex"c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2ba100000625a3754423978a60c9317c58a424e3d5c6ee304399dbdb9c8ef030ab642b10820db8f560002000000000000000000141d96f2f6bef1202e4ce1ff6dad0c2cb002861d3e01";
uint256 amountIn = 10 ** 18;
deal(WETH_ADDR, address(balancerV2Exposed), amountIn);
uint256 balanceBefore = BAL.balanceOf(BOB);
uint256 amountOut = balancerV2Exposed.swap(amountIn, protocolData);
uint256 balanceAfter = BAL.balanceOf(BOB);
assertGt(balanceAfter, balanceBefore);
assertEq(balanceAfter - balanceBefore, amountOut);
}
}