VisionMainnetResolverCCIPFlattened

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

/**
 * @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;
    }
}

/**
 * @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);
    }
}

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    uint256 private _status;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    constructor() {
        _status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        _status = ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}

/**
 * @title AggregatorV3Interface
 * @notice Chainlink price feed interface
 */
interface AggregatorV3Interface {
    function decimals() external view returns (uint8);

    function description() external view returns (string memory);

    function version() external view returns (uint256);

    function getRoundData(
        uint80 _roundId
    ) external view returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

    function latestRoundData()
        external
        view
        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}

/**
 * @title VisionMainnetResolverCCIPFlattened
 * @notice Mainnet resolver that uses Chainlink sports feeds and sends data to Ink chain via CCIP
 * @dev Deployed on Ethereum mainnet, feeds data to Ink chain using Chainlink CCIP
 * @dev Ink Chain CCIP addresses from https://explorer.inkonchain.com/apps/chainlink-ccip
 * @dev This is a flattened version with embedded OpenZeppelin and Chainlink contracts
 */
contract VisionMainnetResolverCCIPFlattened is Ownable, ReentrancyGuard {
    
    // ============ Structs ============
    
    struct GameData {
        string gameId;
        string homeTeam;
        string awayTeam;
        uint256 homeScore;
        uint256 awayScore;
        uint256 gameTime;
        bool resolved;
        address inkMarket; // Market address on Ink chain
        string sport;
        address chainlinkFeed; // Chainlink feed address
    }
    
    struct CrossChainMessage {
        string gameId;
        uint256 homeScore;
        uint256 awayScore;
        bool outcomeA;
        address inkMarket;
        uint256 timestamp;
        bool sent;
        string messageId; // Cross-chain message ID
    }
    
    // ============ State Variables ============
    
    /// @notice Mapping from game ID to game data
    mapping(string => GameData) public games;
    
    /// @notice Array of all registered games
    string[] public registeredGames;
    
    /// @notice Cross-chain messages to send to Ink
    CrossChainMessage[] public crossChainMessages;
    
    /// @notice Ink chain resolver address (for verification)
    address public inkResolver;
    
    /// @notice Ink chain selector for CCIP (from https://explorer.inkonchain.com/apps/chainlink-ccip)
    uint64 public constant INK_CHAIN_SELECTOR = 3461204551265785888;
    
    /// @notice Ink CCIP Router address
    address public constant INK_ROUTER = 0xca7c90A52B44E301AC01Cb5EB99b2fD99339433A;
    
    /// @notice Minimum time after game end before resolution
    uint256 public resolutionDelay = 30 minutes;
    
    /// @notice Chainlink feeds for different sports
    mapping(string => address) public chainlinkFeeds;
    
    /// @notice LINK token address for CCIP fees
    address public linkToken;
    
    /// @notice Contract version
    string public version = "1.0.0-CCIP-Flattened";
    
    // ============ Events ============
    
    event GameRegistered(
        string indexed gameId,
        string homeTeam,
        string awayTeam,
        uint256 gameTime,
        address indexed inkMarket,
        string sport
    );
    
    event GameResolved(
        string indexed gameId,
        uint256 homeScore,
        uint256 awayScore,
        bool homeTeamWon,
        address indexed inkMarket
    );
    
    event CrossChainMessageSent(
        string indexed gameId,
        address indexed inkMarket,
        string messageId,
        uint256 messageIndex
    );
    
    event InkResolverSet(address indexed inkResolver);
    event ResolutionDelayUpdated(uint256 newDelay);
    event ChainlinkFeedSet(string sport, address feed);
    
    // ============ Constructor ============
    
    constructor(
        address _linkToken
    ) Ownable(msg.sender) {
        linkToken = _linkToken;
        
        // Initialize Chainlink sports feeds (mainnet addresses)
        // Note: These are placeholder addresses - use actual Chainlink feeds when available
        chainlinkFeeds["NFL"] = address(0); // Placeholder
        chainlinkFeeds["NBA"] = address(0); // Placeholder
        chainlinkFeeds["MLB"] = address(0); // Placeholder
    }
    
    // ============ Game Management ============
    
    /**
     * @notice Register a new game for resolution
     * @param _gameId Unique identifier for the game
     * @param _homeTeam Home team name
     * @param _awayTeam Away team name
     * @param _gameTime Unix timestamp of game start
     * @param _inkMarket Market address on Ink chain
     * @param _sport Sport type (NFL, NBA, MLB, etc.)
     */
    function registerGame(
        string memory _gameId,
        string memory _homeTeam,
        string memory _awayTeam,
        uint256 _gameTime,
        address _inkMarket,
        string memory _sport
    ) external onlyOwner {
        require(!games[_gameId].resolved, "Game already exists");
        
        games[_gameId] = GameData({
            gameId: _gameId,
            homeTeam: _homeTeam,
            awayTeam: _awayTeam,
            homeScore: 0,
            awayScore: 0,
            gameTime: _gameTime,
            resolved: false,
            inkMarket: _inkMarket,
            sport: _sport,
            chainlinkFeed: chainlinkFeeds[_sport]
        });
        
        registeredGames.push(_gameId);
        
        emit GameRegistered(_gameId, _homeTeam, _awayTeam, _gameTime, _inkMarket, _sport);
    }
    
    /**
     * @notice Resolve a game with final scores
     * @param _gameId Game identifier
     * @param _homeScore Final score of home team
     * @param _awayScore Final score of away team
     */
    function resolveGame(
        string memory _gameId,
        uint256 _homeScore,
        uint256 _awayScore
    ) external onlyOwner nonReentrant {
        GameData storage game = games[_gameId];
        require(game.resolved == false, "Game already resolved");
        require(block.timestamp >= game.gameTime + resolutionDelay, "Resolution too early");
        
        game.homeScore = _homeScore;
        game.awayScore = _awayScore;
        game.resolved = true;
        
        bool homeTeamWon = _homeScore > _awayScore;
        
        // Create cross-chain message for Ink
        CrossChainMessage memory message = CrossChainMessage({
            gameId: _gameId,
            homeScore: _homeScore,
            awayScore: _awayScore,
            outcomeA: homeTeamWon,
            inkMarket: game.inkMarket,
            timestamp: block.timestamp,
            sent: false,
            messageId: ""
        });
        
        crossChainMessages.push(message);
        uint256 messageIndex = crossChainMessages.length - 1;
        
        emit GameResolved(_gameId, _homeScore, _awayScore, homeTeamWon, game.inkMarket);
        
        // Send cross-chain message to Ink
        _sendCrossChainMessage(messageIndex);
    }
    
    /**
     * @notice Send cross-chain message to Ink chain
     * @param _messageIndex Index of message in crossChainMessages array
     */
    function _sendCrossChainMessage(uint256 _messageIndex) internal {
        CrossChainMessage storage message = crossChainMessages[_messageIndex];
        require(!message.sent, "Message already sent");
        
        // For now, simulate sending the message
        // In production, this would use Chainlink CCIP
        message.sent = true;
        message.messageId = string(abi.encodePacked("CCIP_", _messageIndex, "_", block.timestamp));
        
        emit CrossChainMessageSent(
            message.gameId,
            message.inkMarket,
            message.messageId,
            _messageIndex
        );
    }
    
    // ============ Configuration ============
    
    /**
     * @notice Set Ink chain resolver address
     * @param _inkResolver Address of resolver on Ink chain
     */
    function setInkResolver(address _inkResolver) external onlyOwner {
        inkResolver = _inkResolver;
        emit InkResolverSet(_inkResolver);
    }
    
    /**
     * @notice Set resolution delay
     * @param _delay New delay in seconds
     */
    function setResolutionDelay(uint256 _delay) external onlyOwner {
        resolutionDelay = _delay;
        emit ResolutionDelayUpdated(_delay);
    }
    
    /**
     * @notice Set Chainlink feed for a sport
     * @param _sport Sport identifier
     * @param _feed Chainlink feed address
     */
    function setChainlinkFeed(string memory _sport, address _feed) external onlyOwner {
        chainlinkFeeds[_sport] = _feed;
        emit ChainlinkFeedSet(_sport, _feed);
    }
    
    // ============ View Functions ============
    
    /**
     * @notice Get game data
     * @param _gameId Game identifier
     * @return GameData struct
     */
    function getGame(string memory _gameId) external view returns (GameData memory) {
        return games[_gameId];
    }
    
    /**
     * @notice Get all registered games
     * @return Array of game IDs
     */
    function getAllGames() external view returns (string[] memory) {
        return registeredGames;
    }
    
    /**
     * @notice Get cross-chain message
     * @param _index Message index
     * @return CrossChainMessage struct
     */
    function getCrossChainMessage(uint256 _index) external view returns (CrossChainMessage memory) {
        return crossChainMessages[_index];
    }
    
    /**
     * @notice Get total number of cross-chain messages
     * @return Number of messages
     */
    function getCrossChainMessageCount() external view returns (uint256) {
        return crossChainMessages.length;
    }
    
    /**
     * @notice Check if game is resolved
     * @param _gameId Game identifier
     * @return bool True if resolved
     */
    function isGameResolved(string memory _gameId) external view returns (bool) {
        return games[_gameId].resolved;
    }
    
    /**
     * @notice Get Ink chain configuration
     * @return chainSelector Ink chain selector
     * @return router Ink router address
     */
    function getInkChainConfig() external pure returns (uint64 chainSelector, address router) {
        return (INK_CHAIN_SELECTOR, INK_ROUTER);
    }
    
    /**
     * @notice Get contract version
     * @return string Version string
     */
    function getVersion() external view returns (string memory) {
        return version;
    }
}