149 lines
4.4 KiB
Solidity
149 lines
4.4 KiB
Solidity
// SPDX-License-Identifier: UNLICENSED
|
|
pragma solidity ^0.8.26;
|
|
|
|
import "@src/executors/UniswapV4Executor.sol";
|
|
import {Test} from "../../lib/forge-std/src/Test.sol";
|
|
import {Constants} from "../Constants.sol";
|
|
import {console} from "forge-std/console.sol";
|
|
|
|
contract UniswapV4ExecutorExposed is UniswapV4Executor {
|
|
constructor(IPoolManager _poolManager) UniswapV4Executor(_poolManager) {}
|
|
|
|
function decodeData(
|
|
bytes calldata data
|
|
)
|
|
external
|
|
pure
|
|
returns (
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint24 fee,
|
|
address receiver,
|
|
bool zeroForOne,
|
|
uint24 tickSpacing
|
|
)
|
|
{
|
|
return _decodeData(data);
|
|
}
|
|
}
|
|
|
|
contract UniswapV4ExecutorTest is Test, Constants {
|
|
using SafeERC20 for IERC20;
|
|
|
|
UniswapV4ExecutorExposed uniswapV4Exposed;
|
|
IERC20 USDE = IERC20(USDE_ADDR);
|
|
IERC20 USDT = IERC20(USDT_ADDR);
|
|
address poolManager = 0x000000000004444c5dc75cB358380D2e3dE08A90;
|
|
|
|
function setUp() public {
|
|
uint256 forkBlock = 21817316;
|
|
vm.createSelectFork(vm.rpcUrl("mainnet"), forkBlock);
|
|
uniswapV4Exposed = new UniswapV4ExecutorExposed(
|
|
IPoolManager(poolManager)
|
|
);
|
|
}
|
|
|
|
function testDecodeParamsUniswapV4() public view {
|
|
uint24 expectedPoolFee = 500;
|
|
address expectedReceiver = address(2);
|
|
|
|
bytes memory data = _encodeExactInputSingle(
|
|
USDE_ADDR,
|
|
USDT_ADDR,
|
|
expectedPoolFee,
|
|
expectedReceiver,
|
|
false,
|
|
1,
|
|
100 // amountIn doesn't matter for this test
|
|
);
|
|
|
|
(
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint24 fee,
|
|
address receiver,
|
|
bool zeroForOne,
|
|
uint24 tickSpacing
|
|
) = uniswapV4Exposed.decodeData(data);
|
|
|
|
assertEq(tokenIn, USDE_ADDR);
|
|
assertEq(tokenOut, USDT_ADDR);
|
|
assertEq(fee, expectedPoolFee);
|
|
assertEq(receiver, expectedReceiver);
|
|
assertEq(zeroForOne, false);
|
|
assertEq(tickSpacing, 1);
|
|
}
|
|
|
|
function testSwapUniswapV4() public {
|
|
vm.startPrank(BOB);
|
|
uint256 amountIn = 100 ether;
|
|
deal(USDE_ADDR, address(uniswapV4Exposed), amountIn);
|
|
uint256 usdeBalanceBeforePool = USDE.balanceOf(poolManager);
|
|
uint256 usdeBalanceBeforeSwapExecutor = USDE.balanceOf(
|
|
address(uniswapV4Exposed)
|
|
);
|
|
assertEq(usdeBalanceBeforeSwapExecutor, amountIn);
|
|
uint256 usdtBalanceBeforeSwapBob = USDT.balanceOf(address(BOB));
|
|
assertEq(usdtBalanceBeforeSwapBob, 0);
|
|
|
|
bytes memory data = _encodeExactInputSingle(
|
|
USDE_ADDR,
|
|
USDT_ADDR,
|
|
100,
|
|
BOB,
|
|
true,
|
|
1,
|
|
uint128(amountIn)
|
|
);
|
|
|
|
uint256 amountOut = uniswapV4Exposed.swap(amountIn, data);
|
|
assertEq(USDE.balanceOf(poolManager), usdeBalanceBeforePool + amountIn);
|
|
assertEq(
|
|
USDE.balanceOf(address(uniswapV4Exposed)),
|
|
usdeBalanceBeforeSwapExecutor - amountIn
|
|
);
|
|
assertTrue(USDT.balanceOf(BOB) == amountOut && amountOut > 0);
|
|
}
|
|
|
|
function _encodeExactInputSingle(
|
|
address tokenIn,
|
|
address tokenOut,
|
|
uint24 fee,
|
|
address receiver,
|
|
bool zeroForOne,
|
|
uint24 tickSpacing,
|
|
uint128 amountIn
|
|
) internal pure returns (bytes memory) {
|
|
PoolKey memory key = PoolKey({
|
|
currency0: Currency.wrap(zeroForOne ? tokenIn : tokenOut),
|
|
currency1: Currency.wrap(zeroForOne ? tokenOut : tokenIn),
|
|
fee: fee,
|
|
tickSpacing: int24(tickSpacing),
|
|
hooks: IHooks(address(0))
|
|
});
|
|
|
|
bytes memory actions = abi.encodePacked(
|
|
uint8(Actions.SWAP_EXACT_IN_SINGLE),
|
|
uint8(Actions.SETTLE_ALL),
|
|
uint8(Actions.TAKE)
|
|
);
|
|
|
|
bytes[] memory params = new bytes[](3);
|
|
|
|
params[0] = abi.encode(
|
|
IV4Router.ExactInputSingleParams({
|
|
poolKey: key,
|
|
zeroForOne: zeroForOne,
|
|
amountIn: amountIn,
|
|
amountOutMinimum: 0,
|
|
hookData: bytes("")
|
|
})
|
|
);
|
|
|
|
params[1] = abi.encode(key.currency0, amountIn);
|
|
params[2] = abi.encode(key.currency1, receiver, 0);
|
|
|
|
return abi.encode(actions, params);
|
|
}
|
|
}
|