Create ERC4824Registration.sol

DAOIPs/assets/daoip-2/contracts/ERC4824Registration.sol

@@ -0,0 +1,72 @@
+pragma solidity ^0.8.1;
+
+/// @title ERC-4824: DAO Registration
+contract ERC-4824Registration is IERC-4824, AccessControl {
+    bytes32 public constant MANAGER_ROLE = keccak256("MANAGER_ROLE");
+
+    string private _daoURI;
+
+    address daoAddress;
+
+    constructor() {
+        daoAddress = address(0xdead);
+    }
+
+    /// @notice Set the initial DAO URI and offer manager role to an address
+    /// @dev Throws if initialized already
+    /// @param _daoAddress The primary address for a DAO
+    /// @param _manager The address of the URI manager
+    /// @param daoURI_ The URI which will resolve to the governance docs
+    function initialize(
+        address _daoAddress,
+        address _manager,
+        string memory daoURI_,
+        address _ERC-4824Index
+    ) external {
+        initialize(_daoAddress, daoURI_, _ERC-4824Index);
+        _grantRole(MANAGER_ROLE, _manager);
+    }
+
+    /// @notice Set the initial DAO URI
+    /// @dev Throws if initialized already
+    /// @param _daoAddress The primary address for a DAO
+    /// @param daoURI_ The URI which will resolve to the governance docs
+    function initialize(
+        address _daoAddress,
+        string memory daoURI_,
+        address _ERC-4824Index
+    ) public {
+        if (daoAddress != address(0)) revert AlreadyInitialized();
+        daoAddress = _daoAddress;
+        _setURI(daoURI_);
+
+        _grantRole(DEFAULT_ADMIN_ROLE, _daoAddress);
+        _grantRole(MANAGER_ROLE, _daoAddress);
+
+        ERC-4824Index(_ERC-4824Index).logRegistration(address(this));
+    }
+
+    /// @notice Update the URI for a DAO
+    /// @dev Throws if not called by dao or manager
+    /// @param daoURI_ The URI which will resolve to the governance docs
+    function setURI(string memory daoURI_) public onlyRole(MANAGER_ROLE) {
+        _setURI(daoURI_);
+    }
+
+    function _setURI(string memory daoURI_) internal {
+        _daoURI = daoURI_;
+        emit DAOURIUpdate(daoAddress, daoURI_);
+    }
+
+    function daoURI() external view returns (string memory daoURI_) {
+        return _daoURI;
+    }
+
+    function supportsInterface(
+        bytes4 interfaceId
+    ) public view virtual override returns (bool) {
+        return
+            interfaceId == type(IERC-4824).interfaceId ||
+            super.supportsInterface(interfaceId);
+    }
+}