Liquidity.Party/tycho-execution
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refactor: move swap params from interface to executor, add needsApproval

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This commit is contained in:
royvardhan
2025-03-17 19:32:53 +05:30
committed by Diana Carvalho
parent 3054ca042b
commit 826eca4a80
3 changed files with 69 additions and 72 deletions
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56
foundry/src/executors/CurveExecutor.sol
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@@ -11,14 +11,24 @@ contract CurveExecutor is IExecutor {
using SafeERC20 for IERC20;
ICurveRouter public immutable curveRouter;
address public immutable nativeTokens;
address public immutable nativeToken;
constructor(address _curveRouter, address _nativeTokens) {
if (_curveRouter == address(0) || _nativeTokens == address(0)) {
struct SwapParams {
address[11] route;
uint256[5][5] swapParams;
uint256 amountIn;
uint256 minAmountOut;
address[5] pools;
address receiver;
bool needsApproval;
}
constructor(address _curveRouter, address _nativeToken) {
if (_curveRouter == address(0) || _nativeToken == address(0)) {
revert CurveExecutor__InvalidAddresses();
}
curveRouter = ICurveRouter(_curveRouter);
nativeTokens = _nativeTokens;
nativeToken = _nativeToken;
}
// slither-disable-next-line locked-ether
@@ -27,36 +37,30 @@ contract CurveExecutor is IExecutor {
payable
returns (uint256)
{
ICurveRouter.CurveRouterParams memory params = _decodeData(data);
if (params.route[0] != nativeTokens) {
// slither-disable-next-line unused-return
IERC20(params.route[0]).approve(address(curveRouter), amountIn);
SwapParams memory params = _decodeData(data);
return curveRouter.exchange(
params.route,
params.swapParams,
amountIn,
params.minAmountOut,
params.pools,
params.receiver
);
} else {
return curveRouter.exchange{value: amountIn}(
params.route,
params.swapParams,
amountIn,
params.minAmountOut,
params.pools,
params.receiver
if (params.needsApproval) {
// slither-disable-next-line unused-return
IERC20(params.route[0]).approve(
address(curveRouter), type(uint256).max
);
}
// Only add the value parameter when the first token is the native token
return curveRouter.exchange{value: params.route[0] == nativeToken ? amountIn : 0}(
params.route,
params.swapParams,
amountIn,
params.minAmountOut,
params.pools,
params.receiver
);
}
function _decodeData(bytes calldata data)
internal
pure
returns (ICurveRouter.CurveRouterParams memory params)
returns (SwapParams memory params)
{
return abi.decode(data, (ICurveRouter.CurveRouterParams));
return abi.decode(data, (SwapParams));
}
}