346 lines
13 KiB
Solidity
346 lines
13 KiB
Solidity
// SPDX-License-Identifier: BUSL-1.1
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pragma solidity ^0.8.26;
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import "@src/executors/UniswapV4Executor.sol";
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import {TychoRouter} from "@src/TychoRouter.sol";
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import "./TychoRouterTestSetup.sol";
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import "./executors/UniswapV4Utils.sol";
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import {SafeCallback} from "@uniswap/v4-periphery/src/base/SafeCallback.sol";
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contract TychoRouterSingleSwapTest is TychoRouterTestSetup {
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bytes32 public constant FEE_SETTER_ROLE =
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0xe6ad9a47fbda1dc18de1eb5eeb7d935e5e81b4748f3cfc61e233e64f88182060;
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function testSingleSwapPermit2() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2 using Permit2
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// 1 WETH -> DAI
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// (USV2)
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vm.startPrank(ALICE);
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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(
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IAllowanceTransfer.PermitSingle memory permitSingle,
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bytes memory signature
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) = handlePermit2Approval(WETH_ADDR, amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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tychoRouter.singleSwapPermit2(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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2659881924818443699786,
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false,
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false,
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ALICE,
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permitSingle,
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signature,
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swap
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);
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uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertEq(daiBalance, 2659881924818443699787);
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assertEq(IERC20(WETH_ADDR).balanceOf(ALICE), 0);
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vm.stopPrank();
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}
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function testSingleSwapNoPermit2() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Checks amount out at the end
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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// Approve the tokenIn to be transferred to the router
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IERC20(WETH_ADDR).approve(address(tychoRouterAddr), amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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uint256 minAmountOut = 2600 * 1e18;
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uint256 amountOut = tychoRouter.singleSwap(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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minAmountOut,
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false,
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false,
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ALICE,
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swap
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);
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uint256 expectedAmount = 2659881924818443699787;
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assertEq(amountOut, expectedAmount);
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uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertEq(daiBalance, expectedAmount);
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assertEq(IERC20(WETH_ADDR).balanceOf(ALICE), 0);
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vm.stopPrank();
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}
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function testSingleSwapUndefinedMinAmount() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Checks amount out at the end
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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IERC20(WETH_ADDR).approve(address(tychoRouterAddr), amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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vm.expectRevert(TychoRouter__UndefinedMinAmountOut.selector);
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tychoRouter.singleSwap(
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amountIn, WETH_ADDR, DAI_ADDR, 0, false, false, ALICE, swap
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);
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}
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function testSingleSwapInsufficientApproval() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Checks amount out at the end
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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IERC20(WETH_ADDR).approve(address(tychoRouterAddr), amountIn - 1);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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uint256 minAmountOut = 2600 * 1e18;
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vm.expectRevert();
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tychoRouter.singleSwap(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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minAmountOut,
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false,
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false,
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ALICE,
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swap
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);
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}
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function testSingleSwapNegativeSlippageFailure() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Checks amount out at the end
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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// Approve the tokenIn to be transferred to the router
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IERC20(WETH_ADDR).approve(address(tychoRouterAddr), amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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uint256 minAmountOut = 5600 * 1e18;
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vm.expectRevert(
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abi.encodeWithSelector(
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TychoRouter__NegativeSlippage.selector,
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2659881924818443699787, // actual amountOut
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minAmountOut
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)
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);
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tychoRouter.singleSwap(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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minAmountOut,
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false,
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false,
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ALICE,
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swap
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);
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}
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function testSingleSwapFee() public {
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// Trade 1 WETH for DAI with 1 swap on Uniswap V2
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// Takes 1% fee at the end
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vm.startPrank(FEE_SETTER);
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tychoRouter.setFee(100);
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tychoRouter.setFeeReceiver(FEE_RECEIVER);
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vm.stopPrank();
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uint256 amountIn = 1 ether;
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deal(WETH_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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// Approve the tokenIn to be transferred to the router
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IERC20(WETH_ADDR).approve(address(tychoRouterAddr), amountIn);
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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uint256 minAmountOut = 2600 * 1e18;
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uint256 amountOut = tychoRouter.singleSwap(
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amountIn,
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WETH_ADDR,
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DAI_ADDR,
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minAmountOut,
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false,
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false,
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ALICE,
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swap
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);
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uint256 expectedAmount = 2633283105570259262790;
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assertEq(amountOut, expectedAmount);
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uint256 usdcBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertEq(usdcBalance, expectedAmount);
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assertEq(IERC20(DAI_ADDR).balanceOf(FEE_RECEIVER), 26598819248184436997);
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vm.stopPrank();
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}
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function testSingleSwapWrapETH() public {
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uint256 amountIn = 1 ether;
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deal(ALICE, amountIn);
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vm.startPrank(ALICE);
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IAllowanceTransfer.PermitSingle memory emptyPermitSingle =
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IAllowanceTransfer.PermitSingle({
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details: IAllowanceTransfer.PermitDetails({
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token: address(0),
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amount: 0,
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expiration: 0,
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nonce: 0
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}),
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spender: address(0),
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sigDeadline: 0
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});
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bytes memory protocolData = encodeUniswapV2Swap(
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WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
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);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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uint256 amountOut = tychoRouter.singleSwapPermit2{value: amountIn}(
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amountIn,
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address(0),
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DAI_ADDR,
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1000_000000,
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true,
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false,
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ALICE,
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emptyPermitSingle,
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"",
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swap
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);
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uint256 expectedAmount = 2659881924818443699787;
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assertEq(amountOut, expectedAmount);
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uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertEq(daiBalance, expectedAmount);
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assertEq(ALICE.balance, 0);
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vm.stopPrank();
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}
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function testSingleSwapUnwrapETH() public {
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// DAI -> WETH with unwrapping to ETH
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uint256 amountIn = 3000 ether;
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deal(DAI_ADDR, ALICE, amountIn);
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vm.startPrank(ALICE);
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(
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IAllowanceTransfer.PermitSingle memory permitSingle,
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bytes memory signature
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) = handlePermit2Approval(DAI_ADDR, amountIn);
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bytes memory protocolData =
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encodeUniswapV2Swap(DAI_ADDR, WETH_DAI_POOL, tychoRouterAddr, true);
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bytes memory swap =
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encodeSingleSwap(address(usv2Executor), protocolData);
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uint256 amountOut = tychoRouter.singleSwapPermit2(
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amountIn,
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DAI_ADDR,
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address(0),
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1000_000000,
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false,
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true,
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ALICE,
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permitSingle,
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signature,
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swap
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);
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uint256 expectedAmount = 1120007305574805922;
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assertEq(amountOut, expectedAmount);
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assertEq(ALICE.balance, expectedAmount);
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vm.stopPrank();
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}
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function testSingleSwapIntegration() public {
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// Tests swapping WETH -> DAI on a USV2 pool with regular approvals
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deal(WETH_ADDR, ALICE, 1 ether);
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uint256 balancerBefore = IERC20(DAI_ADDR).balanceOf(ALICE);
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vm.startPrank(ALICE);
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IERC20(WETH_ADDR).approve(tychoRouterAddr, type(uint256).max);
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// Encoded solution generated using `test_single_swap_strategy_encoder_no_permit2`
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(bool success,) = tychoRouterAddr.call(
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hex"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"
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);
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vm.stopPrank();
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uint256 balancerAfter = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertTrue(success, "Call Failed");
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assertEq(balancerAfter - balancerBefore, 2659881924818443699787);
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}
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function testSingleSwapIntegrationPermit2() public {
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// Tests swapping WETH -> DAI on a USV2 pool with permit2
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deal(WETH_ADDR, ALICE, 1 ether);
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uint256 balancerBefore = IERC20(DAI_ADDR).balanceOf(ALICE);
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vm.startPrank(ALICE);
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IERC20(WETH_ADDR).approve(PERMIT2_ADDRESS, type(uint256).max);
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// Encoded solution generated using `test_single_swap_strategy_encoder`
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(bool success,) = tychoRouterAddr.call(
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hex"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"
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);
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vm.stopPrank();
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uint256 balancerAfter = IERC20(DAI_ADDR).balanceOf(ALICE);
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assertTrue(success, "Call Failed");
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assertEq(balancerAfter - balancerBefore, 2659881924818443699787);
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}
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}
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