Contract Source Code:

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT

/*
 /$$   /$$ /$$$$$$$   /$$$$$$  /$$      /$$ /$$   /$$       /$$        /$$$$$$  /$$$$$$$   /$$$$$$$ 
| $$  /$$/| $$__  $$ /$$__  $$| $$  /$ | $$| $$$ | $$      | $$       /$$__  $$| $$__  $$ /$$__  $$
| $$ /$$/ | $$  \ $$| $$  \ $$| $$ /$$$| $$| $$$$| $$      | $$      | $$  \ $$| $$  \ $$| $$  \__/
| $$$$$/  | $$$$$$$/| $$  | $$| $$/$$ $$ $$| $$ $$ $$      | $$      | $$$$$$$$| $$$$$$$ |  $$$$$$ 
| $$  $$  | $$__  $$| $$  | $$| $$$$_  $$$$| $$  $$$$      | $$      | $$__  $$| $$__  $$ \____  $$
| $$\  $$ | $$  \ $$| $$  | $$| $$$/ \  $$$| $$\  $$$      | $$      | $$  | $$| $$  \ $$ /$$  \ $$
| $$ \  $$| $$  | $$|  $$$$$$/| $$/   \  $$| $$ \  $$      | $$$$$$$$| $$  | $$| $$$$$$$/|  $$$$$$/
|__/  \__/|__/  |__/ \______/ |__/     \__/|__/  \__/      |________/|__/  |__/|_______/  \______/ 

krownlabs.app
x.com/krownlabs
discord.gg/KTU4krfhrG

*/

pragma solidity ^0.8.20;

import "@openzeppelin/contracts/access/Ownable.sol";

contract SonicResolver is Ownable {
    struct Record {
        address addr;        
        string content;      
        mapping(string => string) texts;  
    }
    
    struct Subdomain {
        address owner;
        string name;
        bool exists;
    }
    
    mapping(uint256 => Record) public records;
    mapping(uint256 => mapping(bytes32 => Subdomain)) public subdomains;
    mapping(address => uint256) public reverseRecords;
    
    ISonicRegistry public registry;
    
    constructor(address _registry) Ownable(msg.sender) {
        registry = ISonicRegistry(_registry);
    }
    
    function setAddress(uint256 tokenId, address addr) external {
        require(registry.ownerOf(tokenId) == msg.sender, "Not domain owner");
        records[tokenId].addr = addr;
        emit AddressSet(tokenId, addr);
    }
    
    function setContent(uint256 tokenId, string calldata content) external {
        require(registry.ownerOf(tokenId) == msg.sender, "Not domain owner");
        records[tokenId].content = content;
        emit ContentSet(tokenId, content);
    }
    
    function setText(uint256 tokenId, string calldata key, string calldata value) external {
        require(registry.ownerOf(tokenId) == msg.sender, "Not domain owner");
        records[tokenId].texts[key] = value;
        emit TextSet(tokenId, key, value);
    }
    
    function createSubdomain(uint256 tokenId, string calldata label, address owner) external {
        require(registry.ownerOf(tokenId) == msg.sender, "Not domain owner");
        bytes32 labelHash = keccak256(bytes(label));
        require(!subdomains[tokenId][labelHash].exists, "Subdomain exists");
        
        subdomains[tokenId][labelHash] = Subdomain({
            owner: owner,
            name: label,
            exists: true
        });
        
        emit SubdomainCreated(tokenId, label, owner);
    }
    
    function setReverse(uint256 tokenId) external {
        require(registry.ownerOf(tokenId) == msg.sender, "Not domain owner");
        reverseRecords[msg.sender] = tokenId;
        emit ReverseSet(msg.sender, tokenId);
    }
    
    function resolveAddress(uint256 tokenId) external view returns (address) {
        return records[tokenId].addr;
    }
    
    function resolveContent(uint256 tokenId) external view returns (string memory) {
        return records[tokenId].content;
    }
    
    function resolveText(uint256 tokenId, string calldata key) external view returns (string memory) {
        return records[tokenId].texts[key];
    }
    
    function reverseLookup(address addr) external view returns (string memory) {
        uint256 tokenId = reverseRecords[addr];
        require(tokenId != 0, "No reverse record");
        return registry.tokenIdToName(tokenId);
    }
    
    event AddressSet(uint256 indexed tokenId, address addr);
    event ContentSet(uint256 indexed tokenId, string content);
    event TextSet(uint256 indexed tokenId, string key, string value);
    event SubdomainCreated(uint256 indexed tokenId, string label, address owner);
    event ReverseSet(address indexed addr, uint256 tokenId);
}

interface ISonicRegistry {
    function ownerOf(uint256 tokenId) external view returns (address);
    function tokenIdToName(uint256 tokenId) external view returns (string memory);
}