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test: add permit2 tests for simple swaps in TychoRouter and GasTest

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This commit is contained in:
royvardhan
2025-02-28 00:39:20 +05:30
parent 35e706d6ea
commit 9014fc7383
3 changed files with 197 additions and 12 deletions
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134
foundry/test/TychoRouter.t.sol
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@@ -231,6 +231,50 @@ contract TychoRouterTest is TychoRouterTestSetup {
assertEq(IERC20(WETH_ADDR).balanceOf(tychoRouterAddr), 0);
}
function testSwapSimplePermit2() public {
// Trade 1 WETH for DAI with 1 swap on Uniswap V2 using Permit2
// 1 WETH -> DAI
// (USV2)
vm.startPrank(ALICE);
uint256 amountIn = 1 ether;
deal(WETH_ADDR, ALICE, amountIn);
(
IAllowanceTransfer.PermitSingle memory permitSingle,
bytes memory signature
) = handlePermit2Approval(WETH_ADDR, amountIn);
bytes memory protocolData = encodeUniswapV2Swap(
WETH_ADDR, WETH_DAI_POOL, tychoRouterAddr, false
);
bytes memory swap = encodeSwap(
uint8(0), uint8(1), uint24(0), address(usv2Executor), protocolData
);
bytes[] memory swaps = new bytes[](1);
swaps[0] = swap;
tychoRouter.swapPermit2(
amountIn,
WETH_ADDR,
DAI_ADDR,
0,
false,
false,
2,
ALICE,
permitSingle,
signature,
pleEncode(swaps)
);
uint256 daiBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
assertEq(daiBalance, 2659881924818443699787);
assertEq(IERC20(WETH_ADDR).balanceOf(ALICE), 0);
vm.stopPrank();
}
function testSwapMultipleHops() public {
// Trade 1 WETH for USDC through DAI with 2 swaps on Uniswap V2
// 1 WETH -> DAI -> USDC
@@ -633,6 +677,50 @@ contract TychoRouterTest is TychoRouterTestSetup {
assertGe(finalBalance, expAmountOut);
}
function testSwapSingleUSV3Permit2() public {
// Trade 1 WETH for DAI with 1 swap on Uniswap V3 using Permit2
// 1 WETH -> DAI
// (USV3)
vm.startPrank(ALICE);
uint256 amountIn = 10 ** 18;
deal(WETH_ADDR, ALICE, amountIn);
(
IAllowanceTransfer.PermitSingle memory permitSingle,
bytes memory signature
) = handlePermit2Approval(WETH_ADDR, amountIn);
uint256 expAmountOut = 1205_128428842122129186; //Swap 1 WETH for 1205.12 DAI
bool zeroForOne = false;
bytes memory protocolData = encodeUniswapV3Swap(
WETH_ADDR, DAI_ADDR, tychoRouterAddr, DAI_WETH_USV3, zeroForOne
);
bytes memory swap = encodeSwap(
uint8(0), uint8(1), uint24(0), address(usv3Executor), protocolData
);
bytes[] memory swaps = new bytes[](1);
swaps[0] = swap;
tychoRouter.swapPermit2(
amountIn,
WETH_ADDR,
DAI_ADDR,
0,
false,
false,
2,
ALICE,
permitSingle,
signature,
pleEncode(swaps)
);
uint256 finalBalance = IERC20(DAI_ADDR).balanceOf(ALICE);
assertGe(finalBalance, expAmountOut);
vm.stopPrank();
}
function testEmptySwapsRevert() public {
uint256 amountIn = 10 ** 18;
bytes memory swaps = "";
@@ -944,6 +1032,52 @@ contract TychoRouterTest is TychoRouterTestSetup {
assertEq(IERC20(USDT_ADDR).balanceOf(tychoRouterAddr), 99943852);
}
function testSwapSingleUSV4CallbackPermit2() public {
vm.startPrank(ALICE);
uint256 amountIn = 100 ether;
deal(USDE_ADDR, ALICE, amountIn);
(
IAllowanceTransfer.PermitSingle memory permitSingle,
bytes memory signature
) = handlePermit2Approval(USDE_ADDR, amountIn);
UniswapV4Executor.UniswapV4Pool[] memory pools =
new UniswapV4Executor.UniswapV4Pool[](1);
pools[0] = UniswapV4Executor.UniswapV4Pool({
intermediaryToken: USDT_ADDR,
fee: uint24(100),
tickSpacing: int24(1)
});
bytes memory protocolData = UniswapV4Utils.encodeExactInput(
USDE_ADDR, USDT_ADDR, true, address(usv4Executor), pools
);
bytes memory swap = encodeSwap(
uint8(0), uint8(1), uint24(0), address(usv4Executor), protocolData
);
bytes[] memory swaps = new bytes[](1);
swaps[0] = swap;
tychoRouter.swapPermit2(
amountIn,
USDE_ADDR,
USDT_ADDR,
0,
false,
false,
2,
ALICE,
permitSingle,
signature,
pleEncode(swaps)
);
assertEq(IERC20(USDT_ADDR).balanceOf(ALICE), 99943852);
vm.stopPrank();
}
function testSwapMultipleUSV4Callback() public {
// This test has two uniswap v4 hops that will be executed inside of the V4 pool manager
// USDE -> USDT -> WBTC