Liquidity.Party/tycho-execution
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feat: Wrap and unwrap ETH

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This commit is contained in:
Diana Carvalho
2025-01-24 15:59:12 +00:00
parent 7d35b8bb36
commit 3b2d9fcbdf
4 changed files with 84 additions and 3 deletions
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34
foundry/src/TychoRouter.sol
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@@ -1,6 +1,10 @@
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.28;
import "../lib/IWETH.sol";
import "../lib/bytes/LibPrefixLengthEncodedByteArray.sol";
import "./CallbackVerificationDispatcher.sol";
import "./SwapExecutionDispatcher.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
@@ -8,9 +12,12 @@ import "@permit2/src/interfaces/IAllowanceTransfer.sol";
import "./ExecutionDispatcher.sol";
import "./CallbackVerificationDispatcher.sol";
import "@openzeppelin/contracts/utils/Pausable.sol";
import {Swap} from "./Swap.sol";
error TychoRouter__WithdrawalFailed();
error TychoRouter__AddressZero();
error TychoRouter__NegativeSlippage(uint256 amount, uint256 minAmount);
error TychoRouter__MessageValueMismatch(uint256 value, uint256 amount);
contract TychoRouter is
AccessControl,
@@ -19,8 +26,11 @@ contract TychoRouter is
Pausable
{
IAllowanceTransfer public immutable permit2;
IWETH private immutable _weth;
using SafeERC20 for IERC20;
using LibPrefixLengthEncodedByteArray for bytes;
using Swap for bytes;
//keccak256("NAME_OF_ROLE") : save gas on deployment
bytes32 public constant EXECUTOR_SETTER_ROLE =
@@ -48,9 +58,10 @@ contract TychoRouter is
);
event FeeSet(uint256 indexed oldFee, uint256 indexed newFee);
constructor(address _permit2) {
constructor(address _permit2, address weth) {
permit2 = IAllowanceTransfer(_permit2);
_grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
_weth = IWETH(weth);
}
/**
@@ -209,6 +220,27 @@ contract TychoRouter is
}
}
/**
* @dev Wraps a defined amount of ETH.
* @param amount of native ETH to wrap.
*/
function _wrapETH(uint256 amount) internal {
if (msg.value > 0 && msg.value != amount) {
revert TychoRouter__MessageValueMismatch(msg.value, amount);
}
_weth.deposit{value: amount}();
}
/**
* @dev Unwraps a defined amount of WETH.
* @param amount of WETH to unwrap.
*/
function _unwrapETH(uint256 amount) internal {
uint256 unwrapAmount =
amount == 0 ? _weth.balanceOf(address(this)) : amount;
_weth.withdraw(unwrapAmount);
}
/**
* @dev Allows this contract to receive native token
*/