Very first DelegateRegistry

DelegateRegistry.sol

// Very first version
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.9;
import "solmate/src/auth/Owned.sol";

contract DelegateRegistry is Owned {

    enum DelegateStatus {ACTIVE, WITHDRAWN, INVALID, AWAY}

    event DelegateInfo(string indexed _daoName, address indexed _delegate, string _statement, string _interests);
    
    struct Delegate {
        address delegate;
        string statement;
        string interests;
        DelegateStatus status;
    }
    constructor() Owned(msg.sender) {}
    mapping(string => uint) public daoRegistry;
    mapping(string => mapping(address => Delegate)) public daoDelegates;

    function registerDAO(string memory daoName) public onlyOwner {
        daoRegistry[daoName] = 1;
    }

    function selfRegisterDelegateEmit(string memory daoName,
     string calldata statement, string calldata interests) public {
        require(daoRegistry[daoName] == 1, "DAO not registered"); 
        emit DelegateInfo(daoName, msg.sender, statement, interests);
    }

    function selfRegisterDelegate(string memory daoName,
     string calldata statement, string calldata interests) public {
        require(daoRegistry[daoName] == 1, "DAO not registered"); 
        Delegate memory d = Delegate({delegate:msg.sender,
         statement:statement, interests:interests, status: DelegateStatus.ACTIVE});
        daoDelegates[daoName][msg.sender] = d;
    }

    function updateDelegateInfo(string memory daoName,
     string calldata statement, string calldata interests) public {
        daoDelegates[daoName][msg.sender].statement = statement;
        daoDelegates[daoName][msg.sender].interests = interests;
    }
}