76aa419320
- CCIP/trustless bridge contracts, GRU tokens, DEX/PMM tests, reserve vault. - Token-aggregation service routes, planner, chain config, relay env templates. - Config snapshots and multi-chain deployment markdown updates. - gitignore services/btc-intake/dist/ (tsc output); do not track dist. Run forge build && forge test before deploy (large solc graph). Made-with: Cursor
54 lines
2.0 KiB
Solidity
54 lines
2.0 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.19;
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import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
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import "../interfaces/ICurvePool.sol";
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import "../RouteTypesV2.sol";
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import "../interfaces/IRouteExecutorAdapter.sol";
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contract CurveRouteExecutorAdapter is IRouteExecutorAdapter {
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using SafeERC20 for IERC20;
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function validate(
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RouteTypesV2.RouteLeg calldata leg
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) external pure override returns (bool ok, string memory reason) {
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if (leg.provider != RouteTypesV2.Provider.Curve) {
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return (false, "CurveRouteExecutorAdapter: invalid provider");
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}
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if (leg.target == address(0)) {
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return (false, "CurveRouteExecutorAdapter: zero target");
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}
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if (leg.providerData.length == 0) {
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return (false, "CurveRouteExecutorAdapter: missing providerData");
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}
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return (true, "");
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}
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function quote(
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RouteTypesV2.RouteLeg calldata leg,
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uint256 amountIn
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) external view override returns (uint256 amountOut, uint256 gasEstimate) {
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(int128 i, int128 j,) = abi.decode(leg.providerData, (int128, int128, bool));
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amountOut = ICurvePool(leg.target).get_dy(i, j, amountIn);
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gasEstimate = 190000;
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}
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function execute(
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RouteTypesV2.RouteLeg calldata leg,
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uint256 amountIn
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) external override returns (uint256 amountOut) {
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(int128 i, int128 j, bool useUnderlying) = abi.decode(leg.providerData, (int128, int128, bool));
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IERC20(leg.tokenIn).forceApprove(leg.target, 0);
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IERC20(leg.tokenIn).forceApprove(leg.target, amountIn);
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if (useUnderlying) {
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amountOut = ICurvePool(leg.target).exchange_underlying(i, j, amountIn, leg.minAmountOut);
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} else {
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amountOut = ICurvePool(leg.target).exchange(i, j, amountIn, leg.minAmountOut);
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}
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IERC20(leg.tokenOut).safeTransfer(msg.sender, amountOut);
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}
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}
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