Files
dodo-contractV2/contracts/SmartRoute/helper/DODOCalleeHelper.sol
2021-02-03 13:25:04 +08:00

85 lines
2.4 KiB
Solidity

/*
Copyright 2020 DODO ZOO.
SPDX-License-Identifier: Apache-2.0
*/
pragma solidity 0.6.9;
pragma experimental ABIEncoderV2;
import {IDODOV2} from "../intf/IDODOV2.sol";
import {IERC20} from "../../intf/IERC20.sol";
import {IWETH} from "../../intf/IWETH.sol";
import {SafeERC20} from "../../lib/SafeERC20.sol";
import {ReentrancyGuard} from "../../lib/ReentrancyGuard.sol";
contract DODOCalleeHelper is ReentrancyGuard {
using SafeERC20 for IERC20;
address payable public immutable _WETH_;
fallback() external payable {
require(msg.sender == _WETH_, "WE_SAVED_YOUR_ETH");
}
receive() external payable {
require(msg.sender == _WETH_, "WE_SAVED_YOUR_ETH");
}
constructor(address payable weth) public {
_WETH_ = weth;
}
function DVMSellShareCall(
address payable assetTo,
uint256,
uint256 baseAmount,
uint256 quoteAmount,
bytes calldata
) external preventReentrant {
address _baseToken = IDODOV2(msg.sender)._BASE_TOKEN_();
address _quoteToken = IDODOV2(msg.sender)._QUOTE_TOKEN_();
_withdraw(assetTo, _baseToken, baseAmount, _baseToken == _WETH_);
_withdraw(assetTo, _quoteToken, quoteAmount, _quoteToken == _WETH_);
}
function CPCancelCall(
address payable assetTo,
uint256 amount,
bytes calldata
)external preventReentrant{
address _quoteToken = IDODOV2(msg.sender)._QUOTE_TOKEN_();
_withdraw(assetTo, _quoteToken, amount, _quoteToken == _WETH_);
}
function CPClaimBidCall(
address payable assetTo,
uint256 baseAmount,
uint256 quoteAmount,
bytes calldata
) external preventReentrant {
address _baseToken = IDODOV2(msg.sender)._BASE_TOKEN_();
address _quoteToken = IDODOV2(msg.sender)._QUOTE_TOKEN_();
_withdraw(assetTo, _baseToken, baseAmount, _baseToken == _WETH_);
_withdraw(assetTo, _quoteToken, quoteAmount, _quoteToken == _WETH_);
}
function _withdraw(
address payable to,
address token,
uint256 amount,
bool isETH
) internal {
if (isETH) {
if (amount > 0) {
IWETH(_WETH_).withdraw(amount);
to.transfer(amount);
}
} else {
if (amount > 0) {
SafeERC20.safeTransfer(IERC20(token), to, amount);
}
}
}
}