graemecode

//SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity 0.6.8;
pragma experimental ABIEncoderV2;

import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {
    ReentrancyGuard
} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import {SafeMath} from "@openzeppelin/contracts/math/SafeMath.sol";