// File: contracts/AiImaginedFacesOnChain.sol



// SPDX-License-Identifier: MIT
// 
//
//    Pindar Van Arman's
//      ___    ____   ____                      _                __   ______                    
//     /   |  /  _/  /  _/___ ___  ____ _____ _(_)___  ___  ____/ /  / ____/___ _________  _____
//    / /| |  / /    / // __ `__ \/ __ `/ __ `/ / __ \/ _ \/ __  /  / /_  / __ `/ ___/ _ \/ ___/
//   / ___ |_/ /   _/ // / / / / / /_/ / /_/ / / / / /  __/ /_/ /  / __/ / /_/ / /__/  __(__  ) 
//  /_/  |_/___/  /___/_/ /_/ /_/\__,_/\__, /_/_/ /_/\___/\__,_/  /_/    \__,_/\___/\___/____/       
//                                    /____/                                                  
//   100 AI Imagined Faces
//   100% On-Chain
//
//   Version 1.1
//   with special thanks to bitquence and brougkr

pragma solidity >=0.8.9 <0.9.0;

import 'erc721a/contracts/ERC721A.sol';
import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/utils/cryptography/MerkleProof.sol';
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';
import "./Base64.sol";
import "./LiveMintEnabled.sol"; //BM Modification
import "./InflateLib.sol"; //bitquence Modification

contract AiImaginedFacesOnChain is ERC721A, Ownable, ReentrancyGuard, LiveMintEnabled { //BM Modification

  using Strings for uint256;

  uint256 public cost;
  uint256 public maxSupply;
  uint256 public maxMintAmountPerTx;

  bool public paused = true;

  address public ownerAddress;
  address public theAdminAddress;
  string public collectionDescription = "AI Imagined Faces On-Chain";
 
  string public constant image_header = "<svg id='aiface' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1024 1024' width='1024' height='1024'><rect width='1024' height='1024'/>";
  string public constant image_footer = "<style> #aiface{}.bota { animation: 3.0s bota infinite alternate ease-in-out; } @keyframes bota { from { opacity: 0.75; } to { opacity: 0.1; }} #aiface2{}.mida { animation: 2.0s mida infinite alternate ease-in-out; } @keyframes mida { from { opacity: 0.75; } to { opacity: 0.1; }} #aiface3{}.topa { animation: 1.5s topa infinite alternate ease-in-out; } @keyframes topa { from { opacity: 0.75; } to { opacity: 0.1; }} #aiface4{}.bota2 { animation: 2.0s bota2 infinite alternate ease-in-out; } @keyframes bota2 { from { opacity: 0.1; } to { opacity: 0.75; }} #aiface5{}.mida2 { animation: 1.5s mida2 infinite alternate ease-in-out; } @keyframes mida2 { from { opacity: 0.1; } to { opacity: 0.75; }} #aiface6{}.topa2 { animation: 1.0s topa2 infinite alternate ease-in-out; } @keyframes topa2 { from { opacity: 0.1; } to { opacity: 0.75; }} </style> </svg>";

  struct tokenData {    
        string name;
        bytes image_content;
        uint origsize;
        string trait;
        bool updated;
  }

  mapping (uint256 => tokenData) tokens;

  constructor(
    string memory _tokenName,
    string memory _tokenSymbol,
    uint256 _cost,
    uint256 _maxSupply,
    uint256 _maxMintAmountPerTx
    ) ERC721A(_tokenName, _tokenSymbol) {
    setCost(_cost);
    maxSupply = _maxSupply;
    setMaxMintAmountPerTx(_maxMintAmountPerTx);
  }

function aiImaginedFace(uint _tokenId) public view returns (string memory) {
      return string(abi.encodePacked(
              'data:image/svg+xml;base64,', Base64.encode(bytes(abi.encodePacked(
                            image_header,
                            InflateLib.puff(tokens[_tokenId].image_content, tokens[_tokenId].origsize),
                            image_footer
                          ))))); 
  }   

function aiImaginedFaces(uint _tokenId) public view returns (string memory) {
      return string(abi.encodePacked(
              'data:image/svg+xml;base64,', Base64.encode(bytes(abi.encodePacked(
                            image_header,
                            "<g>",
                            buildColumn(_tokenId+3,"</g><g transform='translate(0 "),
                            buildColumn(_tokenId,"</g><g transform='translate(341.333 "),
                            buildColumn(_tokenId+6,"</g><g transform='translate(682.666 "),
                            "</g>",
                            image_footer
                          ))))); 
  }   

  function buildColumn(uint256 _tokenId, string memory _xystring) public view returns(string memory) {
          return string(abi.encodePacked(
            _xystring,
            "0) scale(0.3333 0.3333)'>",
            InflateLib.puff(tokens[_tokenId+1].image_content, tokens[_tokenId+1].origsize),
            _xystring,
            "341.333) scale(0.3333 0.3333)'>",
             InflateLib.puff(tokens[_tokenId].image_content, tokens[_tokenId].origsize),
            _xystring,
            "642.666) scale(0.3333 0.3333)'>",
            InflateLib.puff(tokens[_tokenId+2].image_content, tokens[_tokenId+2].origsize)
          ));
  }

  function aiImaginedFaceText(uint _tokenId) public view returns (string memory) {
      return string(abi.encodePacked(
                            image_header,
                            InflateLib.puff(tokens[_tokenId].image_content,tokens[_tokenId].origsize),
                            image_footer
                          )); 
  }   

  //BM Modifications
  function purchaseTo(address Recipient) override virtual external onlyLiveMint returns (uint tokenID) 
  {
       _safeMint(Recipient, 1);
       return (totalSupply() - 1);
  }

  function ownerMint(uint256 _mintAmount) public onlyOwner {
    require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, 'Invalid mint amount!');
    _safeMint(_msgSender(), _mintAmount);
  }

  function _ChangeLiveMintAddress(address LiveMintAddress) override virtual external onlyOwner 
  { 
    _LIVE_MINT_ADDRESS = LiveMintAddress; 
  }
  //BM Modifications

  modifier requireAdminOrOwner() {
    require(theAdminAddress == msg.sender || ownerAddress == msg.sender,"Requires admin or owner privileges");
    _;
  }

  function setAdminAddress(address _adminAddress) public onlyOwner{
        theAdminAddress = _adminAddress;
  }

  //Set permissions for relayer
  //pass in bytes and orig size
  function setTokenInfo(uint _tokenId, string memory _name, bytes memory _image_content_bytes, uint _origsize, string memory _trait) public requireAdminOrOwner() { 
        //require(_exists(_tokenId),"ERC721Metadata: URI query for nonexistent token");
        tokens[_tokenId].name = _name;
        tokens[_tokenId].trait = _trait;
        tokens[_tokenId].updated = true;
        tokens[_tokenId].origsize = _origsize;
        //bytes uncompressed_image = ???
        //_image_content_string = ???
        tokens[_tokenId].image_content = _image_content_bytes;
  }

  function buildMetadata(uint256 _tokenId) public view returns(string memory) {
            return string(abi.encodePacked(
              'data:application/json;base64,', Base64.encode(bytes(abi.encodePacked(
                          '{"name":"', 
                          tokens[_tokenId].name,
                          '", "description":"', 
                          collectionDescription,
                          '", "attributes":', 
                          tokens[_tokenId].trait,
                          ', "image": "',
                          'data:image/svg+xml;base64,', Base64.encode(bytes(abi.encodePacked( 
                            image_header,
                            InflateLib.puff(tokens[_tokenId].image_content, tokens[_tokenId].origsize),
                            image_footer))),
                          '"}'))))); 
  }

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

  modifier mintCompliance(uint256 _mintAmount) {
    require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, 'Invalid mint amount!');
    require(totalSupply() + _mintAmount <= maxSupply, 'Max supply exceeded!');
    _;
  }

  modifier mintPriceCompliance(uint256 _mintAmount) {
    require(msg.value >= cost * _mintAmount, 'Insufficient funds!');
    _;
  }

  function walletOfOwner(address _owner) public view returns (uint256[] memory) {
    uint256 ownerTokenCount = balanceOf(_owner);
    uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount);
    uint256 currentTokenId = _startTokenId();
    uint256 ownedTokenIndex = 0;
    address latestOwnerAddress;
    while (ownedTokenIndex < ownerTokenCount && currentTokenId < _currentIndex) {
      TokenOwnership memory ownership = _ownerships[currentTokenId];
      if (!ownership.burned) {
        if (ownership.addr != address(0)) {
          latestOwnerAddress = ownership.addr;
        }
        if (latestOwnerAddress == _owner) {
          ownedTokenIds[ownedTokenIndex] = currentTokenId;
          ownedTokenIndex++;
        }
      }
      currentTokenId++;
    }
    return ownedTokenIds;
  }

  function _startTokenId() internal view virtual override returns (uint256) {
    return 1;
  }

  function setCost(uint256 _cost) public onlyOwner {
    cost = _cost;
  }

  function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx) public onlyOwner {
    maxMintAmountPerTx = _maxMintAmountPerTx;
  }

  function setPaused(bool _state) public onlyOwner {
    paused = _state;
  }

  function withdraw() public onlyOwner nonReentrant {
    
    // =============================================================================
    (bool os, ) = payable(owner()).call{value: address(this).balance}('');
    require(os);
    // =============================================================================
  }

}

// File: erc721a/contracts/ERC721A.sol



// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';

error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Compiler will pack this into a single 256bit word.
    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

    // Compiler will pack this into a single 256bit word.
    struct AddressData {
        // Realistically, 2**64-1 is more than enough.
        uint64 balance;
        // Keeps track of mint count with minimal overhead for tokenomics.
        uint64 numberMinted;
        // Keeps track of burn count with minimal overhead for tokenomics.
        uint64 numberBurned;
        // For miscellaneous variable(s) pertaining to the address
        // (e.g. number of whitelist mint slots used).
        // If there are multiple variables, please pack them into a uint64.
        uint64 aux;
    }

    // The tokenId of the next token to be minted.
    uint256 internal _currentIndex;

    // The number of tokens burned.
    uint256 internal _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details.
    mapping(uint256 => TokenOwnership) internal _ownerships;

    // Mapping owner address to address data
    mapping(address => AddressData) private _addressData;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    /**
     * To change the starting tokenId, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
     */
    function totalSupply() public view returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than _currentIndex - _startTokenId() times
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view returns (uint256) {
        // Counter underflow is impossible as _currentIndex does not decrement,
        // and it is initialized to _startTokenId()
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return uint256(_addressData[owner].balance);
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberMinted);
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberBurned);
    }

    /**
     * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return _addressData[owner].aux;
    }

    /**
     * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal {
        _addressData[owner].aux = aux;
    }

    /**
     * Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around in the collection over time.
     */
    function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr && curr < _currentIndex) {
                TokenOwnership memory ownership = _ownerships[curr];
                if (!ownership.burned) {
                    if (ownership.addr != address(0)) {
                        return ownership;
                    }
                    // Invariant:
                    // There will always be an ownership that has an address and is not burned
                    // before an ownership that does not have an address and is not burned.
                    // Hence, curr will not underflow.
                    while (true) {
                        curr--;
                        ownership = _ownerships[curr];
                        if (ownership.addr != address(0)) {
                            return ownership;
                        }
                    }
                }
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view override returns (address) {
        return _ownershipOf(tokenId).addr;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : '';
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public override {
        address owner = ERC721A.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

        if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
            revert ApprovalCallerNotOwnerNorApproved();
        }

        _approve(to, tokenId, owner);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (operator == _msgSender()) revert ApproveToCaller();

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        _transfer(from, to, tokenId);
        if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
            revert TransferToNonERC721ReceiverImplementer();
        }
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     */
    function _exists(uint256 tokenId) internal view returns (bool) {
        return _startTokenId() <= tokenId && tokenId < _currentIndex && !_ownerships[tokenId].burned;
    }

    function _safeMint(address to, uint256 quantity) internal {
        _safeMint(to, quantity, '');
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal {
        _mint(to, quantity, _data, true);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _mint(
        address to,
        uint256 quantity,
        bytes memory _data,
        bool safe
    ) internal {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            _addressData[to].balance += uint64(quantity);
            _addressData[to].numberMinted += uint64(quantity);

            _ownerships[startTokenId].addr = to;
            _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);

            uint256 updatedIndex = startTokenId;
            uint256 end = updatedIndex + quantity;

            if (safe && to.isContract()) {
                do {
                    emit Transfer(address(0), to, updatedIndex);
                    if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (updatedIndex != end);
                // Reentrancy protection
                if (_currentIndex != startTokenId) revert();
            } else {
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex != end);
            }
            _currentIndex = updatedIndex;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) private {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();

        bool isApprovedOrOwner = (_msgSender() == from ||
            isApprovedForAll(from, _msgSender()) ||
            getApproved(tokenId) == _msgSender());

        if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            _addressData[from].balance -= 1;
            _addressData[to].balance += 1;

            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = to;
            currSlot.startTimestamp = uint64(block.timestamp);

            // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev This is equivalent to _burn(tokenId, false)
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        address from = prevOwnership.addr;

        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSender() == from ||
                isApprovedForAll(from, _msgSender()) ||
                getApproved(tokenId) == _msgSender());

            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            AddressData storage addressData = _addressData[from];
            addressData.balance -= 1;
            addressData.numberBurned += 1;

            // Keep track of who burned the token, and the timestamp of burning.
            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = from;
            currSlot.startTimestamp = uint64(block.timestamp);
            currSlot.burned = true;

            // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        address owner
    ) private {
        _tokenApprovals[tokenId] = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
            return retval == IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
     * minting.
     * And also called after one token has been burned.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}
}

// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing 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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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);
    }
}

// File: @openzeppelin/contracts/utils/cryptography/MerkleProof.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Trees proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merklee tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];
            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = _efficientHash(computedHash, proofElement);
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = _efficientHash(proofElement, computedHash);
            }
        }
        return computedHash;
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

// File: @openzeppelin/contracts/security/ReentrancyGuard.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @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;

    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() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

// File: contracts/Base64.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/// @title Base64
/// @author Brecht Devos - <brecht@loopring.org>
/// @notice Provides a function for encoding some bytes in base64
library Base64 {
    string internal constant TABLE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

    function encode(bytes memory data) internal pure returns (string memory) {
        if (data.length == 0) return '';
        
        // load the table into memory
        string memory table = TABLE;

        // multiply by 4/3 rounded up
        uint256 encodedLen = 4 * ((data.length + 2) / 3);

        // add some extra buffer at the end required for the writing
        string memory result = new string(encodedLen + 32);

        assembly {
            // set the actual output length
            mstore(result, encodedLen)
            
            // prepare the lookup table
            let tablePtr := add(table, 1)
            
            // input ptr
            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))
            
            // result ptr, jump over length
            let resultPtr := add(result, 32)
            
            // run over the input, 3 bytes at a time
            for {} lt(dataPtr, endPtr) {}
            {
               dataPtr := add(dataPtr, 3)
               
               // read 3 bytes
               let input := mload(dataPtr)
               
               // write 4 characters
               mstore(resultPtr, shl(248, mload(add(tablePtr, and(shr(18, input), 0x3F)))))
               resultPtr := add(resultPtr, 1)
               mstore(resultPtr, shl(248, mload(add(tablePtr, and(shr(12, input), 0x3F)))))
               resultPtr := add(resultPtr, 1)
               mstore(resultPtr, shl(248, mload(add(tablePtr, and(shr( 6, input), 0x3F)))))
               resultPtr := add(resultPtr, 1)
               mstore(resultPtr, shl(248, mload(add(tablePtr, and(        input,  0x3F)))))
               resultPtr := add(resultPtr, 1)
            }
            
            // padding with '='
            switch mod(mload(data), 3)
            case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) }
            case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) }
        }
        
        return result;
    }
}
// File: contracts/LiveMintEnabled.sol



//SPDX-License-Identifier: MIT
/**
 * @title LiveMintEnabled
 * @dev @brougkr
 * note: This Contract Is Used To Enable LiveMint To Purchase Tokens From Your Contract
 * note: This Contract Should Be Imported and Included In The `is` Portion Of The Contract Declaration, ex. `contract NFT is Ownable, LiveMintEnabled`
 * note: You Can Copy Or Modify The Example Functions Below To Implement The Two Functions In Your Contract
 */
pragma solidity >=0.8.9 <0.9.0; //was 0.8.17
abstract contract LiveMintEnabled
{
    /**
     * @dev LiveMint purchaseTo
     * note: Should Be Implemented With onlyLiveMint Access Modifier
     * note: Should Return The TokenID Being Transferred To The Recipient
     */
    function purchaseTo(address Recipient) external virtual returns (uint tokenID);

    // purchaseTo() EXAMPLE: 
    // Here Is An Example Of The Function Implemented In An Standard ERC721 Contract (you can copy paste the function below into your contract)
    // function purchaseTo(address Recipient) override virtual external onlyLiveMint returns (uint tokenID) 
    // {
    //     _mint(Recipient, 1);
    //     return (totalSupply() - 1);
    // }

    /**
     * @dev ChangeLiveMintAddress Changes The LiveMint Address | note: Should Be Implemented To Include onlyOwner Or Similar Access Modifier
     */
    function _ChangeLiveMintAddress(address LiveMintAddress) external virtual;

    // _ChangeLiveMintAddress EXAMPLE: 
    // Here Is An Example Of The Function Implemented In An Standard ERC721 Contract (you can copy paste the function below into your contract)
    // function _ChangeLiveMintAddress(address LiveMintAddress) override virtual external onlyOwner { _LIVE_MINT_ADDRESS = LiveMintAddress; }

    /**
     * @dev LiveMint Address
     */
    //address _LIVE_MINT_ADDRESS = 0x30AaDE58f58bA10794d2d0786C7aCa2cfd137207; // GOERLI
    address _LIVE_MINT_ADDRESS = 0x158E81d47C0199132a4D70940AEdBA5566551bd4; // MAINNET

    /**
     * @dev Access Modifier For LiveMint
     */
    modifier onlyLiveMint
    {
        require(msg.sender == _LIVE_MINT_ADDRESS, "onlyLiveMint: msg.sender Is Not The LiveMint Contract");
        _;
    }
}
// File: contracts/InflateLib.sol



// SPDX-License-Identifier: Apache-2.0
pragma solidity >=0.8.0 <0.9.0;

/// @notice Based on https://github.com/madler/zlib/blob/master/contrib/puff
library InflateLib {
    // Maximum bits in a code
    uint256 constant MAXBITS = 15;
    // Maximum number of literal/length codes
    uint256 constant MAXLCODES = 286;
    // Maximum number of distance codes
    uint256 constant MAXDCODES = 30;
    // Maximum codes lengths to read
    uint256 constant MAXCODES = (MAXLCODES + MAXDCODES);
    // Number of fixed literal/length codes
    uint256 constant FIXLCODES = 288;

    // Error codes
    enum ErrorCode {
        ERR_NONE, // 0 successful inflate
        ERR_NOT_TERMINATED, // 1 available inflate data did not terminate
        ERR_OUTPUT_EXHAUSTED, // 2 output space exhausted before completing inflate
        ERR_INVALID_BLOCK_TYPE, // 3 invalid block type (type == 3)
        ERR_STORED_LENGTH_NO_MATCH, // 4 stored block length did not match one's complement
        ERR_TOO_MANY_LENGTH_OR_DISTANCE_CODES, // 5 dynamic block code description: too many length or distance codes
        ERR_CODE_LENGTHS_CODES_INCOMPLETE, // 6 dynamic block code description: code lengths codes incomplete
        ERR_REPEAT_NO_FIRST_LENGTH, // 7 dynamic block code description: repeat lengths with no first length
        ERR_REPEAT_MORE, // 8 dynamic block code description: repeat more than specified lengths
        ERR_INVALID_LITERAL_LENGTH_CODE_LENGTHS, // 9 dynamic block code description: invalid literal/length code lengths
        ERR_INVALID_DISTANCE_CODE_LENGTHS, // 10 dynamic block code description: invalid distance code lengths
        ERR_MISSING_END_OF_BLOCK, // 11 dynamic block code description: missing end-of-block code
        ERR_INVALID_LENGTH_OR_DISTANCE_CODE, // 12 invalid literal/length or distance code in fixed or dynamic block
        ERR_DISTANCE_TOO_FAR, // 13 distance is too far back in fixed or dynamic block
        ERR_CONSTRUCT // 14 internal: error in construct()
    }

    // Input and output state
    struct State {
        //////////////////
        // Output state //
        //////////////////
        // Output buffer
        bytes output;
        // Bytes written to out so far
        uint256 outcnt;
        /////////////////
        // Input state //
        /////////////////
        // Input buffer
        bytes input;
        // Bytes read so far
        uint256 incnt;
        ////////////////
        // Temp state //
        ////////////////
        // Bit buffer
        uint256 bitbuf;
        // Number of bits in bit buffer
        uint256 bitcnt;
        //////////////////////////
        // Static Huffman codes //
        //////////////////////////
        Huffman lencode;
        Huffman distcode;
    }

    // Huffman code decoding tables
    struct Huffman {
        uint256[] counts;
        uint256[] symbols;
    }

    function bits(State memory s, uint256 need)
        private
        pure
        returns (ErrorCode, uint256)
    {
        // Bit accumulator (can use up to 20 bits)
        uint256 val;

        // Load at least need bits into val
        val = s.bitbuf;
        while (s.bitcnt < need) {
            if (s.incnt == s.input.length) {
                // Out of input
                return (ErrorCode.ERR_NOT_TERMINATED, 0);
            }

            // Load eight bits
            val |= uint256(uint8(s.input[s.incnt++])) << s.bitcnt;
            s.bitcnt += 8;
        }

        // Drop need bits and update buffer, always zero to seven bits left
        s.bitbuf = val >> need;
        s.bitcnt -= need;

        // Return need bits, zeroing the bits above that
        uint256 ret = (val & ((1 << need) - 1));
        return (ErrorCode.ERR_NONE, ret);
    }

    function _stored(State memory s) private pure returns (ErrorCode) {
        // Length of stored block
        uint256 len;

        // Discard leftover bits from current byte (assumes s.bitcnt < 8)
        s.bitbuf = 0;
        s.bitcnt = 0;

        // Get length and check against its one's complement
        if (s.incnt + 4 > s.input.length) {
            // Not enough input
            return ErrorCode.ERR_NOT_TERMINATED;
        }
        len = uint256(uint8(s.input[s.incnt++]));
        len |= uint256(uint8(s.input[s.incnt++])) << 8;

        if (
            uint8(s.input[s.incnt++]) != (~len & 0xFF) ||
            uint8(s.input[s.incnt++]) != ((~len >> 8) & 0xFF)
        ) {
            // Didn't match complement!
            return ErrorCode.ERR_STORED_LENGTH_NO_MATCH;
        }

        // Copy len bytes from in to out
        if (s.incnt + len > s.input.length) {
            // Not enough input
            return ErrorCode.ERR_NOT_TERMINATED;
        }
        if (s.outcnt + len > s.output.length) {
            // Not enough output space
            return ErrorCode.ERR_OUTPUT_EXHAUSTED;
        }
        while (len != 0) {
            // Note: Solidity reverts on underflow, so we decrement here
            len -= 1;
            s.output[s.outcnt++] = s.input[s.incnt++];
        }

        // Done with a valid stored block
        return ErrorCode.ERR_NONE;
    }

    function _decode(State memory s, Huffman memory h)
        private
        pure
        returns (ErrorCode, uint256)
    {
        // Current number of bits in code
        uint256 len;
        // Len bits being decoded
        uint256 code = 0;
        // First code of length len
        uint256 first = 0;
        // Number of codes of length len
        uint256 count;
        // Index of first code of length len in symbol table
        uint256 index = 0;
        // Error code
        ErrorCode err;

        for (len = 1; len <= MAXBITS; len++) {
            // Get next bit
            uint256 tempCode;
            (err, tempCode) = bits(s, 1);
            if (err != ErrorCode.ERR_NONE) {
                return (err, 0);
            }
            code |= tempCode;
            count = h.counts[len];

            // If length len, return symbol
            if (code < first + count) {
                return (ErrorCode.ERR_NONE, h.symbols[index + (code - first)]);
            }
            // Else update for next length
            index += count;
            first += count;
            first <<= 1;
            code <<= 1;
        }

        // Ran out of codes
        return (ErrorCode.ERR_INVALID_LENGTH_OR_DISTANCE_CODE, 0);
    }

    function _construct(
        Huffman memory h,
        uint256[] memory lengths,
        uint256 n,
        uint256 start
    ) private pure returns (ErrorCode) {
        // Current symbol when stepping through lengths[]
        uint256 symbol;
        // Current length when stepping through h.counts[]
        uint256 len;
        // Number of possible codes left of current length
        uint256 left;
        // Offsets in symbol table for each length
        uint256[MAXBITS + 1] memory offs;

        // Count number of codes of each length
        for (len = 0; len <= MAXBITS; len++) {
            h.counts[len] = 0;
        }
        for (symbol = 0; symbol < n; symbol++) {
            // Assumes lengths are within bounds
            h.counts[lengths[start + symbol]]++;
        }
        // No codes!
        if (h.counts[0] == n) {
            // Complete, but decode() will fail
            return (ErrorCode.ERR_NONE);
        }

        // Check for an over-subscribed or incomplete set of lengths

        // One possible code of zero length
        left = 1;

        for (len = 1; len <= MAXBITS; len++) {
            // One more bit, double codes left
            left <<= 1;
            if (left < h.counts[len]) {
                // Over-subscribed--return error
                return ErrorCode.ERR_CONSTRUCT;
            }
            // Deduct count from possible codes

            left -= h.counts[len];
        }

        // Generate offsets into symbol table for each length for sorting
        offs[1] = 0;
        for (len = 1; len < MAXBITS; len++) {
            offs[len + 1] = offs[len] + h.counts[len];
        }

        // Put symbols in table sorted by length, by symbol order within each length
        for (symbol = 0; symbol < n; symbol++) {
            if (lengths[start + symbol] != 0) {
                h.symbols[offs[lengths[start + symbol]]++] = symbol;
            }
        }

        // Left > 0 means incomplete
        return left > 0 ? ErrorCode.ERR_CONSTRUCT : ErrorCode.ERR_NONE;
    }

    function _codes(
        State memory s,
        Huffman memory lencode,
        Huffman memory distcode
    ) private pure returns (ErrorCode) {
        // Decoded symbol
        uint256 symbol;
        // Length for copy
        uint256 len;
        // Distance for copy
        uint256 dist;
        // TODO Solidity doesn't support constant arrays, but these are fixed at compile-time
        // Size base for length codes 257..285
        uint16[29] memory lens =
            [
                3,
                4,
                5,
                6,
                7,
                8,
                9,
                10,
                11,
                13,
                15,
                17,
                19,
                23,
                27,
                31,
                35,
                43,
                51,
                59,
                67,
                83,
                99,
                115,
                131,
                163,
                195,
                227,
                258
            ];
        // Extra bits for length codes 257..285
        uint8[29] memory lext =
            [
                0,
                0,
                0,
                0,
                0,
                0,
                0,
                0,
                1,
                1,
                1,
                1,
                2,
                2,
                2,
                2,
                3,
                3,
                3,
                3,
                4,
                4,
                4,
                4,
                5,
                5,
                5,
                5,
                0
            ];
        // Offset base for distance codes 0..29
        uint16[30] memory dists =
            [
                1,
                2,
                3,
                4,
                5,
                7,
                9,
                13,
                17,
                25,
                33,
                49,
                65,
                97,
                129,
                193,
                257,
                385,
                513,
                769,
                1025,
                1537,
                2049,
                3073,
                4097,
                6145,
                8193,
                12289,
                16385,
                24577
            ];
        // Extra bits for distance codes 0..29
        uint8[30] memory dext =
            [
                0,
                0,
                0,
                0,
                1,
                1,
                2,
                2,
                3,
                3,
                4,
                4,
                5,
                5,
                6,
                6,
                7,
                7,
                8,
                8,
                9,
                9,
                10,
                10,
                11,
                11,
                12,
                12,
                13,
                13
            ];
        // Error code
        ErrorCode err;

        // Decode literals and length/distance pairs
        while (symbol != 256) {
            (err, symbol) = _decode(s, lencode);
            if (err != ErrorCode.ERR_NONE) {
                // Invalid symbol
                return err;
            }

            if (symbol < 256) {
                // Literal: symbol is the byte
                // Write out the literal
                if (s.outcnt == s.output.length) {
                    return ErrorCode.ERR_OUTPUT_EXHAUSTED;
                }
                s.output[s.outcnt] = bytes1(uint8(symbol));
                s.outcnt++;
            } else if (symbol > 256) {
                uint256 tempBits;
                // Length
                // Get and compute length
                symbol -= 257;
                if (symbol >= 29) {
                    // Invalid fixed code
                    return ErrorCode.ERR_INVALID_LENGTH_OR_DISTANCE_CODE;
                }

                (err, tempBits) = bits(s, lext[symbol]);
                if (err != ErrorCode.ERR_NONE) {
                    return err;
                }
                len = lens[symbol] + tempBits;

                // Get and check distance
                (err, symbol) = _decode(s, distcode);
                if (err != ErrorCode.ERR_NONE) {
                    // Invalid symbol
                    return err;
                }
                (err, tempBits) = bits(s, dext[symbol]);
                if (err != ErrorCode.ERR_NONE) {
                    return err;
                }
                dist = dists[symbol] + tempBits;
                if (dist > s.outcnt) {
                    // Distance too far back
                    return ErrorCode.ERR_DISTANCE_TOO_FAR;
                }

                // Copy length bytes from distance bytes back
                if (s.outcnt + len > s.output.length) {
                    return ErrorCode.ERR_OUTPUT_EXHAUSTED;
                }
                while (len != 0) {
                    // Note: Solidity reverts on underflow, so we decrement here
                    len -= 1;
                    s.output[s.outcnt] = s.output[s.outcnt - dist];
                    s.outcnt++;
                }
            } else {
                s.outcnt += len;
            }
        }

        // Done with a valid fixed or dynamic block
        return ErrorCode.ERR_NONE;
    }

    function _build_fixed(State memory s) private pure returns (ErrorCode) {
        // Build fixed Huffman tables
        // TODO this is all a compile-time constant
        uint256 symbol;
        uint256[] memory lengths = new uint256[](FIXLCODES);

        // Literal/length table
        for (symbol = 0; symbol < 144; symbol++) {
            lengths[symbol] = 8;
        }
        for (; symbol < 256; symbol++) {
            lengths[symbol] = 9;
        }
        for (; symbol < 280; symbol++) {
            lengths[symbol] = 7;
        }
        for (; symbol < FIXLCODES; symbol++) {
            lengths[symbol] = 8;
        }

        _construct(s.lencode, lengths, FIXLCODES, 0);

        // Distance table
        for (symbol = 0; symbol < MAXDCODES; symbol++) {
            lengths[symbol] = 5;
        }

        _construct(s.distcode, lengths, MAXDCODES, 0);

        return ErrorCode.ERR_NONE;
    }

    function _fixed(State memory s) private pure returns (ErrorCode) {
        // Decode data until end-of-block code
        return _codes(s, s.lencode, s.distcode);
    }

    function _build_dynamic_lengths(State memory s)
        private
        pure
        returns (ErrorCode, uint256[] memory)
    {
        uint256 ncode;
        // Index of lengths[]
        uint256 index;
        // Descriptor code lengths
        uint256[] memory lengths = new uint256[](MAXCODES);
        // Error code
        ErrorCode err;
        // Permutation of code length codes
        uint8[19] memory order =
            [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];

        (err, ncode) = bits(s, 4);
        if (err != ErrorCode.ERR_NONE) {
            return (err, lengths);
        }
        ncode += 4;

        // Read code length code lengths (really), missing lengths are zero
        for (index = 0; index < ncode; index++) {
            (err, lengths[order[index]]) = bits(s, 3);
            if (err != ErrorCode.ERR_NONE) {
                return (err, lengths);
            }
        }
        for (; index < 19; index++) {
            lengths[order[index]] = 0;
        }

        return (ErrorCode.ERR_NONE, lengths);
    }

    function _build_dynamic(State memory s)
        private
        pure
        returns (
            ErrorCode,
            Huffman memory,
            Huffman memory
        )
    {
        // Number of lengths in descriptor
        uint256 nlen;
        uint256 ndist;
        // Index of lengths[]
        uint256 index;
        // Error code
        ErrorCode err;
        // Descriptor code lengths
        uint256[] memory lengths = new uint256[](MAXCODES);
        // Length and distance codes
        Huffman memory lencode =
            Huffman(new uint256[](MAXBITS + 1), new uint256[](MAXLCODES));
        Huffman memory distcode =
            Huffman(new uint256[](MAXBITS + 1), new uint256[](MAXDCODES));
        uint256 tempBits;

        // Get number of lengths in each table, check lengths
        (err, nlen) = bits(s, 5);
        if (err != ErrorCode.ERR_NONE) {
            return (err, lencode, distcode);
        }
        nlen += 257;
        (err, ndist) = bits(s, 5);
        if (err != ErrorCode.ERR_NONE) {
            return (err, lencode, distcode);
        }
        ndist += 1;

        if (nlen > MAXLCODES || ndist > MAXDCODES) {
            // Bad counts
            return (
                ErrorCode.ERR_TOO_MANY_LENGTH_OR_DISTANCE_CODES,
                lencode,
                distcode
            );
        }

        (err, lengths) = _build_dynamic_lengths(s);
        if (err != ErrorCode.ERR_NONE) {
            return (err, lencode, distcode);
        }

        // Build huffman table for code lengths codes (use lencode temporarily)
        err = _construct(lencode, lengths, 19, 0);
        if (err != ErrorCode.ERR_NONE) {
            // Require complete code set here
            return (
                ErrorCode.ERR_CODE_LENGTHS_CODES_INCOMPLETE,
                lencode,
                distcode
            );
        }

        // Read length/literal and distance code length tables
        index = 0;
        while (index < nlen + ndist) {
            // Decoded value
            uint256 symbol;
            // Last length to repeat
            uint256 len;

            (err, symbol) = _decode(s, lencode);
            if (err != ErrorCode.ERR_NONE) {
                // Invalid symbol
                return (err, lencode, distcode);
            }

            if (symbol < 16) {
                // Length in 0..15
                lengths[index++] = symbol;
            } else {
                // Repeat instruction
                // Assume repeating zeros
                len = 0;
                if (symbol == 16) {
                    // Repeat last length 3..6 times
                    if (index == 0) {
                        // No last length!
                        return (
                            ErrorCode.ERR_REPEAT_NO_FIRST_LENGTH,
                            lencode,
                            distcode
                        );
                    }
                    // Last length
                    len = lengths[index - 1];
                    (err, tempBits) = bits(s, 2);
                    if (err != ErrorCode.ERR_NONE) {
                        return (err, lencode, distcode);
                    }
                    symbol = 3 + tempBits;
                } else if (symbol == 17) {
                    // Repeat zero 3..10 times
                    (err, tempBits) = bits(s, 3);
                    if (err != ErrorCode.ERR_NONE) {
                        return (err, lencode, distcode);
                    }
                    symbol = 3 + tempBits;
                } else {
                    // == 18, repeat zero 11..138 times
                    (err, tempBits) = bits(s, 7);
                    if (err != ErrorCode.ERR_NONE) {
                        return (err, lencode, distcode);
                    }
                    symbol = 11 + tempBits;
                }

                if (index + symbol > nlen + ndist) {
                    // Too many lengths!
                    return (ErrorCode.ERR_REPEAT_MORE, lencode, distcode);
                }
                while (symbol != 0) {
                    // Note: Solidity reverts on underflow, so we decrement here
                    symbol -= 1;

                    // Repeat last or zero symbol times
                    lengths[index++] = len;
                }
            }
        }

        // Check for end-of-block code -- there better be one!
        if (lengths[256] == 0) {
            return (ErrorCode.ERR_MISSING_END_OF_BLOCK, lencode, distcode);
        }

        // Build huffman table for literal/length codes
        err = _construct(lencode, lengths, nlen, 0);
        if (
            err != ErrorCode.ERR_NONE &&
            (err == ErrorCode.ERR_NOT_TERMINATED ||
                err == ErrorCode.ERR_OUTPUT_EXHAUSTED ||
                nlen != lencode.counts[0] + lencode.counts[1])
        ) {
            // Incomplete code ok only for single length 1 code
            return (
                ErrorCode.ERR_INVALID_LITERAL_LENGTH_CODE_LENGTHS,
                lencode,
                distcode
            );
        }

        // Build huffman table for distance codes
        err = _construct(distcode, lengths, ndist, nlen);
        if (
            err != ErrorCode.ERR_NONE &&
            (err == ErrorCode.ERR_NOT_TERMINATED ||
                err == ErrorCode.ERR_OUTPUT_EXHAUSTED ||
                ndist != distcode.counts[0] + distcode.counts[1])
        ) {
            // Incomplete code ok only for single length 1 code
            return (
                ErrorCode.ERR_INVALID_DISTANCE_CODE_LENGTHS,
                lencode,
                distcode
            );
        }

        return (ErrorCode.ERR_NONE, lencode, distcode);
    }

    function _dynamic(State memory s) private pure returns (ErrorCode) {
        // Length and distance codes
        Huffman memory lencode;
        Huffman memory distcode;
        // Error code
        ErrorCode err;

        (err, lencode, distcode) = _build_dynamic(s);
        if (err != ErrorCode.ERR_NONE) {
            return err;
        }

        // Decode data until end-of-block code
        return _codes(s, lencode, distcode);
    }

    function puff(bytes memory source, uint256 destlen)
        internal
        pure
        returns (bytes memory)
    {
        // Input/output state
        State memory s =
            State(
                new bytes(destlen),
                0,
                source,
                0,
                0,
                0,
                Huffman(new uint256[](MAXBITS + 1), new uint256[](FIXLCODES)),
                Huffman(new uint256[](MAXBITS + 1), new uint256[](MAXDCODES))
            );
        // Temp: last bit
        uint256 last;
        // Temp: block type bit
        uint256 t;
        // Error code
        ErrorCode err;

        // Build fixed Huffman tables
        err = _build_fixed(s);
        if (err != ErrorCode.ERR_NONE) {
            revert();
        }

        // Process blocks until last block or error
        while (last == 0) {
            // One if last block
            (err, last) = bits(s, 1);
            if (err != ErrorCode.ERR_NONE) {
                revert();
            }

            // Block type 0..3
            (err, t) = bits(s, 2);
            if (err != ErrorCode.ERR_NONE) {
                revert();
            }

            err = (
                t == 0
                    ? _stored(s)
                    : (
                        t == 1
                            ? _fixed(s)
                            : (
                                t == 2
                                    ? _dynamic(s)
                                    : ErrorCode.ERR_INVALID_BLOCK_TYPE
                            )
                    )
            );
            // type == 3, invalid

            if (err != ErrorCode.ERR_NONE) {
                // Return with error
                break;
            }
        }

        return (s.output);
    }
}
// File: @openzeppelin/contracts/token/ERC721/IERC721.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// File: @openzeppelin/contracts/utils/Address.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

// File: @openzeppelin/contracts/utils/Strings.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// File: @openzeppelin/contracts/utils/introspection/ERC165.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// File: @openzeppelin/contracts/utils/introspection/IERC165.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}