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feat: add uniswapV3SwapCallback in USV3 executor

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This commit is contained in:
royvardhan
2025-02-15 00:34:07 +05:30
parent cccb252bf2
commit 9d3b96f997
8 changed files with 218 additions and 246 deletions
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76
foundry/src/executors/UniswapV3Executor.sol
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@@ -5,11 +5,13 @@ import "@interfaces/IExecutor.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@uniswap/v3-core/contracts/interfaces/IUniswapV3Pool.sol";
import "@uniswap/v3-updated/CallbackValidationV2.sol";
import "@interfaces/ICallback.sol";
import "forge-std/console.sol";
error UniswapV3Executor__InvalidDataLength();
error UniswapV3Executor__InvalidFactory();
contract UniswapV3Executor is IExecutor {
contract UniswapV3Executor is IExecutor, ICallback {
using SafeERC20 for IERC20;
uint160 private constant MIN_SQRT_RATIO = 4295128739;
@@ -28,10 +30,11 @@ contract UniswapV3Executor is IExecutor {
}
// slither-disable-next-line locked-ether
function swap(
uint256 amountIn,
bytes calldata data
) external payable returns (uint256 amountOut) {
function swap(uint256 amountIn, bytes calldata data)
external
payable
returns (uint256 amountOut)
{
(
address tokenIn,
address tokenOut,
@@ -64,36 +67,53 @@ contract UniswapV3Executor is IExecutor {
}
}
function handleCallback(
bytes calldata msgData
) external returns (bytes memory result) {
(int256 amount0Delta, int256 amount1Delta) = abi.decode(
msgData[:64],
(int256, int256)
function uniswapV3SwapCallback(
int256 amount0Delta,
int256 amount1Delta,
bytes calldata data
) external {
// slither-disable-next-line low-level-calls
(bool success, bytes memory result) = self.delegatecall(
abi.encodeWithSelector(
ICallback.handleCallback.selector,
abi.encodePacked(
amount0Delta, amount1Delta, data[:data.length - 20]
)
)
);
if (!success) {
revert(
string(
result.length > 0
? result
: abi.encodePacked("Callback failed")
)
);
}
}
function handleCallback(bytes calldata msgData)
external
returns (bytes memory result)
{
(int256 amount0Delta, int256 amount1Delta) =
abi.decode(msgData[:64], (int256, int256));
address tokenIn = address(bytes20(msgData[64:84]));
address tokenOut = address(bytes20(msgData[84:104]));
uint24 poolFee = uint24(bytes3(msgData[104:107]));
CallbackValidationV2.verifyCallback(
factory,
tokenIn,
tokenOut,
poolFee
);
// slither-disable-next-line unused-return
CallbackValidationV2.verifyCallback(factory, tokenIn, tokenOut, poolFee);
uint256 amountOwed = amount0Delta > 0
? uint256(amount0Delta)
: uint256(amount1Delta);
uint256 amountOwed =
amount0Delta > 0 ? uint256(amount0Delta) : uint256(amount1Delta);
IERC20(tokenIn).safeTransfer(msg.sender, amountOwed);
return abi.encode(amountOwed, tokenIn);
}
function _decodeData(
bytes calldata data
)
function _decodeData(bytes calldata data)
internal
pure
returns (
@@ -116,11 +136,11 @@ contract UniswapV3Executor is IExecutor {
zeroForOne = uint8(data[83]) > 0;
}
function _makeV3CallbackData(
address tokenIn,
address tokenOut,
uint24 fee
) internal view returns (bytes memory) {
function _makeV3CallbackData(address tokenIn, address tokenOut, uint24 fee)
internal
view
returns (bytes memory)
{
return abi.encodePacked(tokenIn, tokenOut, fee, self);
}
}