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feat: Integrated SafeERC20

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domenicodev
2024-01-08 16:43:03 +01:00
parent 37ea829592
commit af7b9cd9a6
2 changed files with 10 additions and 11 deletions
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19
evm/src/integral/IntegralSwapAdapter.sol
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@@ -3,6 +3,7 @@ pragma solidity ^0.8.13;
import {IERC20, ISwapAdapter} from "src/interfaces/ISwapAdapter.sol";
import {ERC20} from "openzeppelin-contracts/contracts/token/ERC20/ERC20.sol";
import {SafeERC20} from "openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol";
/// @dev Integral submitted deadline of 3600 seconds (1 hour) to Paraswap, but it is not strictly necessary to be this long
/// as the contract allows less durations, we use 1000 seconds (15 minutes) as a deadline
@@ -10,6 +11,8 @@ uint256 constant SWAP_DEADLINE_SEC = 1000;
/// @title Integral Swap Adapter
contract IntegralSwapAdapter is ISwapAdapter {
using SafeERC20 for IERC20;
ITwapRelayer immutable relayer;
constructor(address relayer_) {
@@ -124,21 +127,19 @@ contract IntegralSwapAdapter is ISwapAdapter {
IERC20 buyToken,
uint256 amount
) internal returns (uint256) {
address swapper = msg.sender;
uint256 amountOut = relayer.quoteSell(address(sellToken), address(buyToken), amount);
if (amountOut == 0) {
revert Unavailable("AmountOut is zero!");
}
sellToken.transferFrom(msg.sender, address(this), amount);
sellToken.approve(address(relayer), amount);
sellToken.safeTransferFrom(msg.sender, address(this), amount);
sellToken.safeIncreaseAllowance(address(relayer), amount);
relayer.sell(ITwapRelayer.SellParams({
tokenIn: address(sellToken),
tokenOut: address(buyToken),
wrapUnwrap: false,
to: swapper,
to: msg.sender,
submitDeadline: uint32(block.timestamp + SWAP_DEADLINE_SEC),
amountIn: amount,
amountOutMin: amountOut
@@ -157,21 +158,19 @@ contract IntegralSwapAdapter is ISwapAdapter {
IERC20 buyToken,
uint256 amountBought
) internal returns (uint256) {
address swapper = msg.sender;
uint256 amountIn = relayer.quoteBuy(address(sellToken), address(buyToken), amountBought);
if (amountIn == 0) {
revert Unavailable("AmountIn is zero!");
}
sellToken.transferFrom(msg.sender, address(this), amountIn);
sellToken.approve(address(relayer), amountIn);
sellToken.safeTransferFrom(msg.sender, address(this), amountIn);
sellToken.safeIncreaseAllowance(address(relayer), amountIn);
relayer.buy(ITwapRelayer.BuyParams({
tokenIn: address(sellToken),
tokenOut: address(buyToken),
wrapUnwrap: false,
to: swapper,
to: msg.sender,
submitDeadline: uint32(block.timestamp + SWAP_DEADLINE_SEC),
amountInMax: amountIn,
amountOut: amountBought