// SPDX-License-Identifier: MIT pragma solidity ^0.8.2; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/draft-ERC20Permit.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol"; contract UltraCoin is ERC20, Ownable, ERC20Permit, ERC20Votes { constructor() ERC20("Ultra Coin", "UC") ERC20Permit("Ultra Coin") { _mint(msg.sender, 53121881 * 10 ** decimals()); } function mint(address to, uint256 amount) public onlyOwner { _mint(to, amount); } // The following functions are overrides required by Solidity. function _afterTokenTransfer(address from, address to, uint256 amount) internal override(ERC20, ERC20Votes) { super._afterTokenTransfer(from, to, amount); } function _mint(address to, uint256 amount) internal override(ERC20, ERC20Votes) { super._mint(to, amount); } function _burn(address account, uint256 amount) internal override(ERC20, ERC20Votes) { super._burn(account, amount); } }