pragma solidity ^0.6.0; import { ConditionalTokens } from "./ConditionalTokens.sol"; import { ERC20 } from "github.com/OpenZeppelin/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol"; contract ToyToken is ERC20 { constructor(string memory name, string memory symbol) public ERC20(name, symbol) {} function mint(address account, uint256 amount) external { _mint(account, amount); } }