83 lines
2.4 KiB
Solidity
83 lines
2.4 KiB
Solidity
/*
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Copyright 2020 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 {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 {Address} from "../../external/utils/Address.sol";
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interface IDODOMysteryBox {
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function _TICKET_() external view returns (address);
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function redeemPrize(address to) external;
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}
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/**
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* @title DODO MysteryBoxProxy
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* @author DODO Breeder
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*
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* @notice Entrance of MysteryBox in DODO platform
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*/
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contract DODOMysteryBoxProxy is ReentrancyGuard {
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using SafeMath for uint256;
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using Address for address;
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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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// ============ Events ============
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event RedeemPrize(address indexed account, address indexed mysteryBox, uint256 ticketAmount);
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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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function redeemPrize(
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address dodoMysteryBox,
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uint256 ticketAmount,
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uint8 flag // 0 - ERC20, 1 - quoteInETH
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) external payable preventReentrant {
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address caller = msg.sender;
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require(!caller.isContract(), "DODOMysteryBoxProxy: ONLY_ALLOW_EOA");
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_deposit(msg.sender, dodoMysteryBox, IDODOMysteryBox(dodoMysteryBox)._TICKET_(), ticketAmount, flag == 1);
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IDODOMysteryBox(dodoMysteryBox).redeemPrize(msg.sender);
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emit RedeemPrize(msg.sender, dodoMysteryBox, ticketAmount);
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}
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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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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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}
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