82 lines
2.4 KiB
Solidity
82 lines
2.4 KiB
Solidity
/*
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Copyright 2022 DODO ZOO.
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SPDX-License-Identifier: Apache-2.0
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*/
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pragma solidity 0.6.9;
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import {IDODOApproveProxy} from "../DODOApproveProxy.sol";
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import {IERC20} from "../../intf/IERC20.sol";
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import {SafeERC20} from "../../lib/SafeERC20.sol";
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import {IWETH} from "../../intf/IWETH.sol";
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import {SafeMath} from "../../lib/SafeMath.sol";
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import {SafeERC20} from "../../lib/SafeERC20.sol";
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import {ReentrancyGuard} from "../../lib/ReentrancyGuard.sol";
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import {IDODOStarter} from "../../DODOStarter/intf/IDODOStarter.sol";
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/**
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* @title DODOStarterProxy
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* @author DODO Breeder
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*
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* @notice FairFund && InstantFund Proxy
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*/
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contract DODOStarterProxy is ReentrancyGuard {
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using SafeMath for uint256;
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using SafeERC20 for IERC20;
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// ============ Storage ============
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address constant _ETH_ADDRESS_ = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
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address public immutable _WETH_;
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address public immutable _DODO_APPROVE_PROXY_;
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// ============ Modifiers ============
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modifier judgeExpired(uint256 deadLine) {
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require(deadLine >= block.timestamp, "DODOStarterProxy: EXPIRED");
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_;
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}
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fallback() external payable {}
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receive() external payable {}
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constructor(
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address payable weth,
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address dodoApproveProxy
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) public {
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_WETH_ = weth;
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_DODO_APPROVE_PROXY_ = dodoApproveProxy;
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}
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//============ Functions (bid) ============
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function bid(
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address pool,
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uint256 fundAmount,
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uint8 flag, // 0 - ERC20, 1 - fundInETH
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uint256 deadLine
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) external payable preventReentrant judgeExpired(deadLine) returns(uint256) {
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_deposit(msg.sender, pool, IDODOStarter(pool)._FUNDS_ADDRESS_(), fundAmount, flag == 1);
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return IDODOStarter(pool).depositFunds(msg.sender);
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}
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//====================== internal =======================
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function _deposit(
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address from,
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address to,
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address token,
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uint256 amount,
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bool isETH
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) internal {
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if (isETH) {
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if (amount > 0) {
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require(msg.value == amount, "ETH_VALUE_WRONG");
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IWETH(_WETH_).deposit{value: amount}();
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if (to != address(this)) SafeERC20.safeTransfer(IERC20(_WETH_), to, amount);
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}
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} else {
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IDODOApproveProxy(_DODO_APPROVE_PROXY_).claimTokens(token, from, to, amount);
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}
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}
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} |