The standard for secure onchain applications at any scale

// SPDX-License-Identifier: MIT
// Compatible with OpenZeppelin Contracts ^5.0.0
pragma solidity ^0.8.20;
          
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
          
contract MyToken is ERC20 {
    constructor() ERC20("MyToken", "MTK") {
        _mint(msg.sender, 5 * 10 ** decimals());
    }
}

// SPDX-License-Identifier: MIT
// Compatible with OpenZeppelin Contracts ^5.0.0
pragma solidity ^0.8.20;
    
import "@openzeppelin/contracts/governance/Governor.sol"; 
import "@openzeppelin/contracts/governance/extensions/GovernorCountingSimple.sol"; 
import "@openzeppelin/contracts/governance/extensions/GovernorVotes.sol"; 
import "@openzeppelin/contracts/governance/extensions/GovernorVotesQuorumFraction.sol"; 
    
contract MyGovernor is Governor, GovernorCountingSimple, GovernorVotes, GovernorVotesQuorumFraction {
    constructor(IVotes _token)
        Governor("MyGovernor")
        GovernorVotes(_token)
        GovernorVotesQuorumFraction(4)
    {}
    
    function votingDelay() public pure override returns (uint256) {
        return 7200; // 1 day 
    }
    
    function votingPeriod() public pure override returns (uint256) {
        return 50400; // 1 week 
    }
    
    // The following functions are overrides required by Solidity.
    
    function quorum(uint256 blockNumber)
        public
        view
        override(Governor, GovernorVotesQuorumFraction)
        returns (uint256)
    {
        return super.quorum(blockNumber);
    }
}

// SPDX-License-Identifier: MIT
// Compatible with OpenZeppelin Contracts ^5.0.0
pragma solidity ^0.8.20;
          
contract MyContract {
}