Contract 0x7F4C61116729d5b27E5f180062Fdfbf32E9283E5

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;

import "./CROID.sol";

/**
 * The CROID registry contract.
 */
contract CROIDRegistry is CROID {
    struct Record {
        address owner;
        address resolver;
        uint64 ttl;
    }

    mapping(bytes32 => Record) records;
    mapping(address => mapping(address => bool)) operators;

    // Permits modifications only by the owner of the specified node.
    modifier authorised(bytes32 node) {
        address _owner = records[node].owner;
        require(_owner == msg.sender || operators[_owner][msg.sender]);
        _;
    }

    /**
     * @dev Constructs a new CROID registry.
     */
    constructor() {
        records[0x0].owner = msg.sender;
    }

    /**
     * @dev Sets the record for a node.
     * @param node The node to update.
     * @param _owner The address of the new owner.
     * @param _resolver The address of the resolver.
     * @param _ttl The TTL in seconds.
     */
    function setRecord(
        bytes32 node,
        address _owner,
        address _resolver,
        uint64 _ttl
    ) external virtual override {
        setOwner(node, _owner);
        _setResolverAndTTL(node, _resolver, _ttl);
    }

    /**
     * @dev Sets the record for a subnode.
     * @param node The parent node.
     * @param label The hash of the label specifying the subnode.
     * @param _owner The address of the new owner.
     * @param _resolver The address of the resolver.
     * @param _ttl The TTL in seconds.
     */
    function setSubnodeRecord(
        bytes32 node,
        bytes32 label,
        address _owner,
        address _resolver,
        uint64 _ttl
    ) external virtual override {
        bytes32 subnode = setSubnodeOwner(node, label, _owner);
        _setResolverAndTTL(subnode, _resolver, _ttl);
    }

    /**
     * @dev Transfers ownership of a node to a new address. May only be called by the current owner of the node.
     * @param node The node to transfer ownership of.
     * @param _owner The address of the new owner.
     */
    function setOwner(bytes32 node, address _owner)
        public
        virtual
        override
        authorised(node)
    {
        _setOwner(node, _owner);
        emit Transfer(node, _owner);
    }

    /**
     * @dev Transfers ownership of a subnode keccak256(node, label) to a new address. May only be called by the owner of the parent node.
     * @param node The parent node.
     * @param label The hash of the label specifying the subnode.
     * @param _owner The address of the new owner.
     */
    function setSubnodeOwner(
        bytes32 node,
        bytes32 label,
        address _owner
    ) public virtual override authorised(node) returns (bytes32) {
        bytes32 subnode = keccak256(abi.encodePacked(node, label));
        _setOwner(subnode, _owner);
        emit NewOwner(node, label, _owner);
        return subnode;
    }

    /**
     * @dev Sets the resolver address for the specified node.
     * @param node The node to update.
     * @param _resolver The address of the resolver.
     */
    function setResolver(bytes32 node, address _resolver)
        public
        virtual
        override
        authorised(node)
    {
        emit NewResolver(node, _resolver);
        records[node].resolver = _resolver;
    }

    /**
     * @dev Sets the TTL for the specified node.
     * @param node The node to update.
     * @param _ttl The TTL in seconds.
     */
    function setTTL(bytes32 node, uint64 _ttl)
        public
        virtual
        override
        authorised(node)
    {
        emit NewTTL(node, _ttl);
        records[node].ttl = _ttl;
    }

    /**
     * @dev Enable or disable approval for a third party ("operator") to manage
     *  all of `msg.sender`'s CROID records. Emits the ApprovalForAll event.
     * @param operator Address to add to the set of authorized operators.
     * @param approved True if the operator is approved, false to revoke approval.
     */
    function setApprovalForAll(address operator, bool approved)
        external
        virtual
        override
    {
        operators[msg.sender][operator] = approved;
        emit ApprovalForAll(msg.sender, operator, approved);
    }

    /**
     * @dev Returns the address that owns the specified node.
     * @param node The specified node.
     * @return address of the owner.
     */
    function owner(bytes32 node)
        public
        view
        virtual
        override
        returns (address)
    {
        address addr = records[node].owner;
        if (addr == address(this)) {
            return address(0x0);
        }

        return addr;
    }

    /**
     * @dev Returns the address of the resolver for the specified node.
     * @param node The specified node.
     * @return address of the resolver.
     */
    function resolver(bytes32 node)
        public
        view
        virtual
        override
        returns (address)
    {
        return records[node].resolver;
    }

    /**
     * @dev Returns the TTL of a node, and any records associated with it.
     * @param node The specified node.
     * @return ttl of the node.
     */
    function ttl(bytes32 node) public view virtual override returns (uint64) {
        return records[node].ttl;
    }

    /**
     * @dev Returns whether a record has been imported to the registry.
     * @param node The specified node.
     * @return Bool if record exists
     */
    function recordExists(bytes32 node)
        public
        view
        virtual
        override
        returns (bool)
    {
        return records[node].owner != address(0x0);
    }

    /**
     * @dev Query if an address is an authorized operator for another address.
     * @param _owner The address that owns the records.
     * @param _operator The address that acts on behalf of the owner.
     * @return True if `operator` is an approved operator for `owner`, false otherwise.
     */
    function isApprovedForAll(address _owner, address _operator)
        external
        view
        virtual
        override
        returns (bool)
    {
        return operators[_owner][_operator];
    }

    function _setOwner(bytes32 node, address _owner) internal virtual {
        address addr = _owner;
        if (addr == address(0x0)) {
            addr = address(this);
        }

        records[node].owner = addr;
    }

    function _setResolverAndTTL(
        bytes32 node,
        address _resolver,
        uint64 _ttl
    ) internal {
        if (_resolver != records[node].resolver) {
            records[node].resolver = _resolver;
            emit NewResolver(node, _resolver);
        }

        if (_ttl != records[node].ttl) {
            records[node].ttl = _ttl;
            emit NewTTL(node, _ttl);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;

interface CROID {
    // Logged when the owner of a node assigns a new owner to a subnode.
    event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner);

    // Logged when the owner of a node transfers ownership to a new account.
    event Transfer(bytes32 indexed node, address owner);

    // Logged when the resolver for a node changes.
    event NewResolver(bytes32 indexed node, address resolver);

    // Logged when the TTL of a node changes
    event NewTTL(bytes32 indexed node, uint64 ttl);

    // Logged when an operator is added or removed.
    event ApprovalForAll(
        address indexed owner,
        address indexed operator,
        bool approved
    );

    function setRecord(
        bytes32 node,
        address owner,
        address resolver,
        uint64 ttl
    ) external;

    function setSubnodeRecord(
        bytes32 node,
        bytes32 label,
        address owner,
        address resolver,
        uint64 ttl
    ) external;

    function setSubnodeOwner(
        bytes32 node,
        bytes32 label,
        address owner
    ) external returns (bytes32);

    function setResolver(bytes32 node, address resolver) external;

    function setOwner(bytes32 node, address owner) external;

    function setTTL(bytes32 node, uint64 ttl) external;

    function setApprovalForAll(address operator, bool approved) external;

    function owner(bytes32 node) external view returns (address);

    function resolver(bytes32 node) external view returns (address);

    function ttl(bytes32 node) external view returns (uint64);

    function recordExists(bytes32 node) external view returns (bool);

    function isApprovedForAll(address owner, address operator)
        external
        view
        returns (bool);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

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