EIP-1239 token built on OpenZeppelin

BadgeVotes.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.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 BadgeVotes is ERC20, ERC20Burnable, Ownable, ERC20Permit, ERC20Votes {
    constructor() ERC20("Badge Votes", "BADGE") ERC20Permit("Badge Votes") {}

    function mint(address to, uint256 amount) public onlyOwner {
        _mint(to, amount);
    }

    // EIP-1238 overrides for non-transferability.
    
    function transfer(address, uint256) public pure override returns (bool) {
        revert();
    }
    
    function transferFrom(address, address, uint256) public pure override returns (bool) {
        revert();
    }
    
    // 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);
    }
}