Quantumon.sol

contract Quantumon is ERC721, RrpRequesterV0, Ownable {
    using Strings for uint256;


    uint256[9958] public ids; //Array to store the Quantomon Id - This is different from the tokenId
    uint256 private index;	// Track the next TokenId to be minted
    string private _baseURIextended; // The Extended baseUrl for ERC721
    mapping(uint256 => string) private _tokenURIs; //Mapping a custom URI to a tokenId

    address public airnode;            //The address of the QRNG airnode
    bytes32 public endpointIdUint256;  // The endpointId of the airnode to fetch a single random number
    address public sponsorWallet;      // The address of the sponsorWallet that will be making the fullfillment transaction

  
    // Mapping that maps the requestId for a random number to the fullfillment status of that request
    mapping(bytes32 => bool) public expectingRequestWithIdToBeFulfilled;  
  
    //Mapping that maps the requestId to the address that made the request
    mapping(bytes32 => address) requestToSender;

    constructor(address _airnodeRrp)
        RrpRequesterV0(_airnodeRrp)
        ERC721("QUANTUMON", "QUANTUMON")
    {
      
    }
    
     function setRequestParameters(
        address _airnode,
        bytes32 _endpointIdUint256,
        address _sponsorWallet
    ) external onlyOwner {
        airnode = _airnode;
        endpointIdUint256 = _endpointIdUint256;
        sponsorWallet = _sponsorWallet;
        emit SetRequestParameters(airnode, endpointIdUint256, sponsorWallet);
    }
    
    function setBaseURI(string memory baseURI) external onlyOwner {
        _baseURIextended = baseURI;
        emit SetBaseURI(_baseURIextended);
    }

    function _setTokenURI(uint256 tokenId, string memory _tokenURI)
        internal
        virtual
    {
        require(
            _exists(tokenId),
            "ERC721Metadata: URI set of nonexistent token"
        );
        _tokenURIs[tokenId] = _tokenURI;
    }

    function _baseURI() internal view virtual override returns (string memory) {
        return _baseURIextended;
    }

    function tokenURI(uint256 tokenId)
        public
        view
        virtual
        override
        returns (string memory)
    {
        require(
            _exists(tokenId),
            "ERC721Metadata: URI query for nonexistent token"
        );

        string memory _tokenURI = _tokenURIs[tokenId];
        string memory base = _baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return string(abi.encodePacked(base, _tokenURI));
        }
        // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
        return string(abi.encodePacked(base, tokenId.toString()));
   }
}