ETH Price: $2,184.42 (-4.30%)

Transaction Decoder

Block:
19920559 at May-21-2024 08:06:23 PM +UTC
Transaction Fee:
0.002743864665951314 ETH $5.99
Gas Used:
180,673 Gas / 15.186910418 Gwei

Emitted Events:

344 CollectionContract.Transfer( from=0x00000000...000000000, to=[Sender] 0xa85e2099acfe814ebf0df040182b3f14a3b1e34a, tokenId=10 )
345 CollectionContract.Minted( 0xe2406cfd356cfbe4e42d452bde96d27f48c423e5f02b5d78695893308399519d, 0x000000000000000000000000a85e2099acfe814ebf0df040182b3f14a3b1e34a, 0x000000000000000000000000000000000000000000000000000000000000000a, 0xa2bf51a30de3b5d4470d2e166665947863d5358886760f3235028ed86771c919, 0000000000000000000000000000000000000000000000000000000000000020, 000000000000000000000000000000000000000000000000000000000000003c, 516d5647445a506476395571694a667154424b484352314c6943646e32506b63, 47794b6e693556543165314643682f6d657461646174612e6a736f6e00000000 )
346 CollectionContract.ApprovalForAll( owner=[Sender] 0xa85e2099acfe814ebf0df040182b3f14a3b1e34a, operator=0xcDA72070...3623d0B6f, approved=True )

Account State Difference:

  Address   Before After State Difference Code
3.451196501604633997 Eth3.451199255585467043 Eth0.000002753980833046
0xa85E2099...4A3B1E34A
0.214646893108555021 Eth
Nonce: 718
0.211903028442603707 Eth
Nonce: 719
0.002743864665951314
0xeaa129A3...2b6A6Bda0

Execution Trace

CollectionContract.mintAndApprove( tokenCID=QmVGDZPdv9UqiJfqTBKHCR1LiCdn2PkcGyKni5VT1e1FCh/metadata.json, operator=0xcDA72070E455bb31C7690a170224Ce43623d0B6f ) => ( tokenId=10 )
  • CollectionContract.mintAndApprove( tokenCID=QmVGDZPdv9UqiJfqTBKHCR1LiCdn2PkcGyKni5VT1e1FCh/metadata.json, operator=0xcDA72070E455bb31C7690a170224Ce43623d0B6f ) => ( tokenId=10 )
    File 1 of 2: CollectionContract
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721BurnableUpgradeable.sol";
    import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
    import "./interfaces/ICollectionContractInitializer.sol";
    import "./interfaces/ICollectionFactory.sol";
    import "./interfaces/IGetRoyalties.sol";
    import "./interfaces/IProxyCall.sol";
    import "./interfaces/ITokenCreator.sol";
    import "./interfaces/ITokenCreatorPaymentAddress.sol";
    import "./interfaces/IGetFees.sol";
    import "./libraries/AccountMigrationLibrary.sol";
    import "./libraries/ProxyCall.sol";
    import "./libraries/BytesLibrary.sol";
    import "./interfaces/IRoyaltyInfo.sol";
    /**
     * @title A collection of NFTs.
     * @notice All NFTs from this contract are minted by the same creator.
     * A 10% royalty to the creator is included which may be split with collaborators.
     */
    contract CollectionContract is
      ICollectionContractInitializer,
      IGetRoyalties,
      IGetFees,
      IRoyaltyInfo,
      ITokenCreator,
      ITokenCreatorPaymentAddress,
      ERC721BurnableUpgradeable
    {
      using AccountMigrationLibrary for address;
      using AddressUpgradeable for address;
      using BytesLibrary for bytes;
      using ProxyCall for IProxyCall;
      uint256 private constant ROYALTY_IN_BASIS_POINTS = 1000;
      uint256 private constant ROYALTY_RATIO = 10;
      /**
       * @notice The baseURI to use for the tokenURI, if undefined then `ipfs://` is used.
       */
      string private baseURI_;
      /**
       * @dev Stores hashes minted to prevent duplicates.
       */
      mapping(string => bool) private cidToMinted;
      /**
       * @notice The factory which was used to create this collection.
       * @dev This is used to read common config.
       */
      ICollectionFactory public immutable collectionFactory;
      /**
       * @notice The tokenId of the most recently created NFT.
       * @dev Minting starts at tokenId 1. Each mint will use this value + 1.
       */
      uint256 public latestTokenId;
      /**
       * @notice The max tokenId which can be minted, or 0 if there's no limit.
       * @dev This value may be set at any time, but once set it cannot be increased.
       */
      uint256 public maxTokenId;
      /**
       * @notice The owner/creator of this NFT collection.
       */
      address payable public owner;
      /**
       * @dev Stores an optional alternate address to receive creator revenue and royalty payments.
       * The target address may be a contract which could split or escrow payments.
       */
      mapping(uint256 => address payable) private tokenIdToCreatorPaymentAddress;
      /**
       * @dev Tracks how many tokens have been burned, used to calc the total supply efficiently.
       */
      uint256 private burnCounter;
      /**
       * @dev Stores a CID for each NFT.
       */
      mapping(uint256 => string) private _tokenCIDs;
      event BaseURIUpdated(string baseURI);
      event CreatorMigrated(address indexed originalAddress, address indexed newAddress);
      event MaxTokenIdUpdated(uint256 indexed maxTokenId);
      event Minted(address indexed creator, uint256 indexed tokenId, string indexed indexedTokenCID, string tokenCID);
      event NFTOwnerMigrated(uint256 indexed tokenId, address indexed originalAddress, address indexed newAddress);
      event PaymentAddressMigrated(
        uint256 indexed tokenId,
        address indexed originalAddress,
        address indexed newAddress,
        address originalPaymentAddress,
        address newPaymentAddress
      );
      event SelfDestruct(address indexed owner);
      event TokenCreatorPaymentAddressSet(
        address indexed fromPaymentAddress,
        address indexed toPaymentAddress,
        uint256 indexed tokenId
      );
      modifier onlyOwner() {
        require(msg.sender == owner, "CollectionContract: Caller is not owner");
        _;
      }
      modifier onlyOperator() {
        require(collectionFactory.rolesContract().isOperator(msg.sender), "CollectionContract: Caller is not an operator");
        _;
      }
      /**
       * @dev The constructor for a proxy can only be used to assign immutable variables.
       */
      constructor(address _collectionFactory) {
        require(_collectionFactory.isContract(), "CollectionContract: collectionFactory is not a contract");
        collectionFactory = ICollectionFactory(_collectionFactory);
      }
      /**
       * @notice Called by the factory on creation.
       * @dev This may only be called once.
       */
      function initialize(
        address payable _creator,
        string memory _name,
        string memory _symbol
      ) external initializer {
        require(msg.sender == address(collectionFactory), "CollectionContract: Collection must be created via the factory");
        __ERC721_init_unchained(_name, _symbol);
        owner = _creator;
      }
      /**
       * @notice Allows the owner to mint an NFT defined by its metadata path.
       */
      function mint(string memory tokenCID) public returns (uint256 tokenId) {
        tokenId = _mint(tokenCID);
      }
      /**
       * @notice Allows the owner to mint and sets approval for all for the provided operator.
       * @dev This can be used by creators the first time they mint an NFT to save having to issue a separate approval
       * transaction before starting an auction.
       */
      function mintAndApprove(string memory tokenCID, address operator) public returns (uint256 tokenId) {
        tokenId = _mint(tokenCID);
        setApprovalForAll(operator, true);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address.
       */
      function mintWithCreatorPaymentAddress(string memory tokenCID, address payable tokenCreatorPaymentAddress)
        public
        returns (uint256 tokenId)
      {
        require(tokenCreatorPaymentAddress != address(0), "CollectionContract: tokenCreatorPaymentAddress is required");
        tokenId = mint(tokenCID);
        _setTokenCreatorPaymentAddress(tokenId, tokenCreatorPaymentAddress);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address.
       * Also sets approval for all for the provided operator.
       * @dev This can be used by creators the first time they mint an NFT to save having to issue a separate approval
       * transaction before starting an auction.
       */
      function mintWithCreatorPaymentAddressAndApprove(
        string memory tokenCID,
        address payable tokenCreatorPaymentAddress,
        address operator
      ) public returns (uint256 tokenId) {
        tokenId = mintWithCreatorPaymentAddress(tokenCID, tokenCreatorPaymentAddress);
        setApprovalForAll(operator, true);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address
       * which is defined by a contract call, typically a proxy contract address representing the payment terms.
       * @param paymentAddressFactory The contract to call which will return the address to use for payments.
       * @param paymentAddressCallData The call details to sent to the factory provided.
       */
      function mintWithCreatorPaymentFactory(
        string memory tokenCID,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData
      ) public returns (uint256 tokenId) {
        address payable tokenCreatorPaymentAddress = collectionFactory
          .proxyCallContract()
          .proxyCallAndReturnContractAddress(paymentAddressFactory, paymentAddressCallData);
        tokenId = mintWithCreatorPaymentAddress(tokenCID, tokenCreatorPaymentAddress);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address
       * which is defined by a contract call, typically a proxy contract address representing the payment terms.
       * Also sets approval for all for the provided operator.
       * @param paymentAddressFactory The contract to call which will return the address to use for payments.
       * @param paymentAddressCallData The call details to sent to the factory provided.
       * @dev This can be used by creators the first time they mint an NFT to save having to issue a separate approval
       * transaction before starting an auction.
       */
      function mintWithCreatorPaymentFactoryAndApprove(
        string memory tokenCID,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData,
        address operator
      ) public returns (uint256 tokenId) {
        tokenId = mintWithCreatorPaymentFactory(tokenCID, paymentAddressFactory, paymentAddressCallData);
        setApprovalForAll(operator, true);
      }
      /**
       * @notice Allows the owner to set a max tokenID.
       * This provides a guarantee to collectors about the limit of this collection contract, if applicable.
       * @dev Once this value has been set, it may be decreased but can never be increased.
       */
      function updateMaxTokenId(uint256 _maxTokenId) external onlyOwner {
        require(_maxTokenId > 0, "CollectionContract: Max token ID may not be cleared");
        require(maxTokenId == 0 || _maxTokenId < maxTokenId, "CollectionContract: Max token ID may not increase");
        require(latestTokenId + 1 <= _maxTokenId, "CollectionContract: Max token ID must be greater than last mint");
        maxTokenId = _maxTokenId;
        emit MaxTokenIdUpdated(_maxTokenId);
      }
      /**
       * @notice Allows the owner to assign a baseURI to use for the tokenURI instead of the default `ipfs://`.
       */
      function updateBaseURI(string calldata baseURIOverride) external onlyOwner {
        baseURI_ = baseURIOverride;
        emit BaseURIUpdated(baseURIOverride);
      }
      /**
       * @notice Allows the creator to burn if they currently own the NFT.
       */
      function burn(uint256 tokenId) public override onlyOwner {
        super.burn(tokenId);
      }
      /**
       * @notice Allows the collection owner to destroy this contract only if
       * no NFTs have been minted yet.
       */
      function selfDestruct() external onlyOwner {
        require(totalSupply() == 0, "CollectionContract: Any NFTs minted must be burned first");
        emit SelfDestruct(msg.sender);
        selfdestruct(payable(msg.sender));
      }
      /**
       * @notice Allows an NFT owner or creator and Foundation to work together in order to update the creator
       * to a new account and/or transfer NFTs to that account.
       * @param signature Message `I authorize Foundation to migrate my account to ${newAccount.address.toLowerCase()}`
       * signed by the original account.
       * @dev This will gracefully skip any NFTs that have been burned or transferred.
       */
      function adminAccountMigration(
        uint256[] calldata ownedTokenIds,
        address originalAddress,
        address payable newAddress,
        bytes calldata signature
      ) public onlyOperator {
        originalAddress.requireAuthorizedAccountMigration(newAddress, signature);
        for (uint256 i = 0; i < ownedTokenIds.length; i++) {
          uint256 tokenId = ownedTokenIds[i];
          // Check that the token exists and still is owned by the originalAddress
          // so that frontrunning a burn or transfer will not cause the entire tx to revert
          if (_exists(tokenId) && ownerOf(tokenId) == originalAddress) {
            _transfer(originalAddress, newAddress, tokenId);
            emit NFTOwnerMigrated(tokenId, originalAddress, newAddress);
          }
        }
        if (owner == originalAddress) {
          owner = newAddress;
          emit CreatorMigrated(originalAddress, newAddress);
        }
      }
      /**
       * @notice Allows a split recipient and Foundation to work together in order to update the payment address
       * to a new account.
       * @param signature Message `I authorize Foundation to migrate my account to ${newAccount.address.toLowerCase()}`
       * signed by the original account.
       */
      function adminAccountMigrationForPaymentAddresses(
        uint256[] calldata paymentAddressTokenIds,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData,
        uint256 addressLocationInCallData,
        address originalAddress,
        address payable newAddress,
        bytes calldata signature
      ) public onlyOperator {
        originalAddress.requireAuthorizedAccountMigration(newAddress, signature);
        _adminAccountRecoveryForPaymentAddresses(
          paymentAddressTokenIds,
          paymentAddressFactory,
          paymentAddressCallData,
          addressLocationInCallData,
          originalAddress,
          newAddress
        );
      }
      function baseURI() external view returns (string memory) {
        return _baseURI();
      }
      /**
       * @notice Returns an array of recipient addresses to which royalties for secondary sales should be sent.
       * The expected royalty amount is communicated with `getFeeBps`.
       */
      function getFeeRecipients(uint256 id) external view returns (address payable[] memory recipients) {
        recipients = new address payable[](1);
        recipients[0] = getTokenCreatorPaymentAddress(id);
      }
      /**
       * @notice Returns an array of royalties to be sent for secondary sales in basis points.
       * The expected recipients is communicated with `getFeeRecipients`.
       */
      function getFeeBps(
        uint256 /* id */
      ) external pure returns (uint256[] memory feesInBasisPoints) {
        feesInBasisPoints = new uint256[](1);
        feesInBasisPoints[0] = ROYALTY_IN_BASIS_POINTS;
      }
      /**
       * @notice Checks if the creator has already minted a given NFT using this collection contract.
       */
      function getHasMintedCID(string memory tokenCID) public view returns (bool) {
        return cidToMinted[tokenCID];
      }
      /**
       * @notice Returns an array of royalties to be sent for secondary sales.
       */
      function getRoyalties(uint256 tokenId)
        external
        view
        returns (address payable[] memory recipients, uint256[] memory feesInBasisPoints)
      {
        recipients = new address payable[](1);
        recipients[0] = getTokenCreatorPaymentAddress(tokenId);
        feesInBasisPoints = new uint256[](1);
        feesInBasisPoints[0] = ROYALTY_IN_BASIS_POINTS;
      }
      /**
       * @notice Returns the receiver and the amount to be sent for a secondary sale.
       */
      function royaltyInfo(uint256 _tokenId, uint256 _salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount)
      {
        receiver = getTokenCreatorPaymentAddress(_tokenId);
        unchecked {
          royaltyAmount = _salePrice / ROYALTY_RATIO;
        }
      }
      /**
       * @notice Returns the creator for an NFT, which is always the collection owner.
       */
      function tokenCreator(
        uint256 /* tokenId */
      ) external view returns (address payable) {
        return owner;
      }
      /**
       * @notice Returns the desired payment address to be used for any transfers to the creator.
       * @dev The payment address may be assigned for each individual NFT, if not defined the collection owner is returned.
       */
      function getTokenCreatorPaymentAddress(uint256 tokenId)
        public
        view
        returns (address payable tokenCreatorPaymentAddress)
      {
        tokenCreatorPaymentAddress = tokenIdToCreatorPaymentAddress[tokenId];
        if (tokenCreatorPaymentAddress == address(0)) {
          tokenCreatorPaymentAddress = owner;
        }
      }
      /**
       * @notice Count of NFTs tracked by this contract.
       * @dev From the ERC-721 enumerable standard.
       */
      function totalSupply() public view returns (uint256) {
        unchecked {
          return latestTokenId - burnCounter;
        }
      }
      function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        if (
          interfaceId == type(IGetRoyalties).interfaceId ||
          interfaceId == type(ITokenCreator).interfaceId ||
          interfaceId == type(ITokenCreatorPaymentAddress).interfaceId ||
          interfaceId == type(IGetFees).interfaceId ||
          interfaceId == type(IRoyaltyInfo).interfaceId
        ) {
          return true;
        }
        return super.supportsInterface(interfaceId);
      }
      function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "CollectionContract: URI query for nonexistent token");
        return string(abi.encodePacked(_baseURI(), _tokenCIDs[tokenId]));
      }
      function _mint(string memory tokenCID) private onlyOwner returns (uint256 tokenId) {
        require(bytes(tokenCID).length > 0, "CollectionContract: tokenCID is required");
        require(!cidToMinted[tokenCID], "CollectionContract: NFT was already minted");
        unchecked {
          tokenId = ++latestTokenId;
          require(maxTokenId == 0 || tokenId <= maxTokenId, "CollectionContract: Max token count has already been minted");
          cidToMinted[tokenCID] = true;
          _tokenCIDs[tokenId] = tokenCID;
          _safeMint(msg.sender, tokenId, "");
          emit Minted(msg.sender, tokenId, tokenCID, tokenCID);
        }
      }
      /**
       * @dev Allow setting a different address to send payments to for both primary sale revenue
       * and secondary sales royalties.
       */
      function _setTokenCreatorPaymentAddress(uint256 tokenId, address payable tokenCreatorPaymentAddress) internal {
        emit TokenCreatorPaymentAddressSet(tokenIdToCreatorPaymentAddress[tokenId], tokenCreatorPaymentAddress, tokenId);
        tokenIdToCreatorPaymentAddress[tokenId] = tokenCreatorPaymentAddress;
      }
      function _burn(uint256 tokenId) internal override {
        delete cidToMinted[_tokenCIDs[tokenId]];
        delete tokenIdToCreatorPaymentAddress[tokenId];
        delete _tokenCIDs[tokenId];
        unchecked {
          burnCounter++;
        }
        super._burn(tokenId);
      }
      /**
       * @dev Split into a second function to avoid stack too deep errors
       */
      function _adminAccountRecoveryForPaymentAddresses(
        uint256[] calldata paymentAddressTokenIds,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData,
        uint256 addressLocationInCallData,
        address originalAddress,
        address payable newAddress
      ) private {
        // Call the factory and get the originalPaymentAddress
        address payable originalPaymentAddress = collectionFactory.proxyCallContract().proxyCallAndReturnContractAddress(
          paymentAddressFactory,
          paymentAddressCallData
        );
        // Confirm the original address and swap with the new address
        paymentAddressCallData.replaceAtIf(addressLocationInCallData, originalAddress, newAddress);
        // Call the factory and get the newPaymentAddress
        address payable newPaymentAddress = collectionFactory.proxyCallContract().proxyCallAndReturnContractAddress(
          paymentAddressFactory,
          paymentAddressCallData
        );
        // For each token, confirm the expected payment address and then update to the new one
        for (uint256 i = 0; i < paymentAddressTokenIds.length; i++) {
          uint256 tokenId = paymentAddressTokenIds[i];
          require(
            tokenIdToCreatorPaymentAddress[tokenId] == originalPaymentAddress,
            "CollectionContract: Payment address is not the expected value"
          );
          _setTokenCreatorPaymentAddress(tokenId, newPaymentAddress);
          emit PaymentAddressMigrated(tokenId, originalAddress, newAddress, originalPaymentAddress, newPaymentAddress);
        }
      }
      function _baseURI() internal view override returns (string memory) {
        if (bytes(baseURI_).length > 0) {
          return baseURI_;
        }
        return "ipfs://";
      }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Burnable.sol)
    pragma solidity ^0.8.0;
    import "../ERC721Upgradeable.sol";
    import "../../../utils/ContextUpgradeable.sol";
    import "../../../proxy/utils/Initializable.sol";
    /**
     * @title ERC721 Burnable Token
     * @dev ERC721 Token that can be irreversibly burned (destroyed).
     */
    abstract contract ERC721BurnableUpgradeable is Initializable, ContextUpgradeable, ERC721Upgradeable {
        function __ERC721Burnable_init() internal onlyInitializing {
            __Context_init_unchained();
            __ERC165_init_unchained();
            __ERC721Burnable_init_unchained();
        }
        function __ERC721Burnable_init_unchained() internal onlyInitializing {
        }
        /**
         * @dev Burns `tokenId`. See {ERC721-_burn}.
         *
         * Requirements:
         *
         * - The caller must own `tokenId` or be an approved operator.
         */
        function burn(uint256 tokenId) public virtual {
            //solhint-disable-next-line max-line-length
            require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
            _burn(tokenId);
        }
        uint256[50] private __gap;
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Collection of functions related to the address type
     */
    library AddressUpgradeable {
        /**
         * @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
         * ====
         */
        function isContract(address account) internal view returns (bool) {
            // This method relies on extcodesize, which returns 0 for contracts in
            // construction, since the code is only stored at the end of the
            // constructor execution.
            uint256 size;
            assembly {
                size := extcodesize(account)
            }
            return size > 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 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);
                }
            }
        }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface ICollectionContractInitializer {
      function initialize(
        address payable _creator,
        string memory _name,
        string memory _symbol
      ) external;
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "./IRoles.sol";
    import "./IProxyCall.sol";
    interface ICollectionFactory {
      function rolesContract() external returns (IRoles);
      function proxyCallContract() external returns (IProxyCall);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface IGetRoyalties {
      function getRoyalties(uint256 tokenId)
        external
        view
        returns (address payable[] memory recipients, uint256[] memory feesInBasisPoints);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface IProxyCall {
      function proxyCallAndReturnAddress(address externalContract, bytes calldata callData)
        external
        returns (address payable result);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface ITokenCreator {
      function tokenCreator(uint256 tokenId) external view returns (address payable);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface ITokenCreatorPaymentAddress {
      function getTokenCreatorPaymentAddress(uint256 tokenId)
        external
        view
        returns (address payable tokenCreatorPaymentAddress);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice An interface for communicating fees to 3rd party marketplaces.
     * @dev Originally implemented in mainnet contract 0x44d6e8933f8271abcf253c72f9ed7e0e4c0323b3
     */
    interface IGetFees {
      function getFeeRecipients(uint256 id) external view returns (address payable[] memory);
      function getFeeBps(uint256 id) external view returns (uint256[] memory);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
    import "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
    import "@openzeppelin/contracts/utils/Strings.sol";
    /**
     * @notice Checks for a valid signature authorizing the migration of an account to a new address.
     * @dev This is shared by both the NFT contracts and FNDNFTMarket, and the same signature authorizes both.
     */
    library AccountMigrationLibrary {
      using ECDSA for bytes;
      using SignatureChecker for address;
      using Strings for uint256;
      // From https://ethereum.stackexchange.com/questions/8346/convert-address-to-string
      function _toAsciiString(address x) private pure returns (string memory) {
        bytes memory s = new bytes(42);
        s[0] = "0";
        s[1] = "x";
        for (uint256 i = 0; i < 20; i++) {
          bytes1 b = bytes1(uint8(uint256(uint160(x)) / (2**(8 * (19 - i)))));
          bytes1 hi = bytes1(uint8(b) / 16);
          bytes1 lo = bytes1(uint8(b) - 16 * uint8(hi));
          s[2 * i + 2] = _char(hi);
          s[2 * i + 3] = _char(lo);
        }
        return string(s);
      }
      function _char(bytes1 b) private pure returns (bytes1 c) {
        if (uint8(b) < 10) return bytes1(uint8(b) + 0x30);
        else return bytes1(uint8(b) + 0x57);
      }
      /**
       * @dev Confirms the msg.sender is a Foundation operator and that the signature provided is valid.
       * @param signature Message `I authorize Foundation to migrate my account to ${newAccount.address.toLowerCase()}`
       * signed by the original account.
       */
      function requireAuthorizedAccountMigration(
        address originalAddress,
        address newAddress,
        bytes memory signature
      ) internal view {
        require(originalAddress != newAddress, "AccountMigration: Cannot migrate to the same account");
        bytes32 hash = abi
          .encodePacked("I authorize Foundation to migrate my account to ", _toAsciiString(newAddress))
          .toEthSignedMessageHash();
        require(
          originalAddress.isValidSignatureNow(hash, signature),
          "AccountMigration: Signature must be from the original account"
        );
      }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
    import "../interfaces/IProxyCall.sol";
    /**
     * @notice Forwards arbitrary calls to an external contract to be processed.
     * @dev This is used so that the from address of the calling contract does not have
     * any special permissions (e.g. ERC-20 transfer).
     */
    library ProxyCall {
      using AddressUpgradeable for address payable;
      /**
       * @dev Used by other mixins to make external calls through the proxy contract.
       * This will fail if the proxyCall address is address(0).
       */
      function proxyCallAndReturnContractAddress(
        IProxyCall proxyCall,
        address externalContract,
        bytes memory callData
      ) internal returns (address payable result) {
        result = proxyCall.proxyCallAndReturnAddress(externalContract, callData);
        require(result.isContract(), "ProxyCall: address returned is not a contract");
      }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice A library for manipulation of byte arrays.
     */
    library BytesLibrary {
      /**
       * @dev Replace the address at the given location in a byte array if the contents at that location
       * match the expected address.
       */
      function replaceAtIf(
        bytes memory data,
        uint256 startLocation,
        address expectedAddress,
        address newAddress
      ) internal pure {
        bytes memory expectedData = abi.encodePacked(expectedAddress);
        bytes memory newData = abi.encodePacked(newAddress);
        // An address is 20 bytes long
        for (uint256 i = 0; i < 20; i++) {
          uint256 dataLocation = startLocation + i;
          require(data[dataLocation] == expectedData[i], "Bytes: Data provided does not include the expectedAddress");
          data[dataLocation] = newData[i];
        }
      }
      /**
       * @dev Checks if the call data starts with the given function signature.
       */
      function startsWith(bytes memory callData, bytes4 functionSig) internal pure returns (bool) {
        // A signature is 4 bytes long
        if (callData.length < 4) {
          return false;
        }
        for (uint256 i = 0; i < 4; i++) {
          if (callData[i] != functionSig[i]) {
            return false;
          }
        }
        return true;
      }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice Interface for EIP-2981: NFT Royalty Standard.
     * For more see: https://eips.ethereum.org/EIPS/eip-2981.
     */
    interface IRoyaltyInfo {
      /// @notice Called with the sale price to determine how much royalty
      //          is owed and to whom.
      /// @param _tokenId - the NFT asset queried for royalty information
      /// @param _salePrice - the sale price of the NFT asset specified by _tokenId
      /// @return receiver - address of who should be sent the royalty payment
      /// @return royaltyAmount - the royalty payment amount for _salePrice
      function royaltyInfo(uint256 _tokenId, uint256 _salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol)
    pragma solidity ^0.8.0;
    import "./IERC721Upgradeable.sol";
    import "./IERC721ReceiverUpgradeable.sol";
    import "./extensions/IERC721MetadataUpgradeable.sol";
    import "../../utils/AddressUpgradeable.sol";
    import "../../utils/ContextUpgradeable.sol";
    import "../../utils/StringsUpgradeable.sol";
    import "../../utils/introspection/ERC165Upgradeable.sol";
    import "../../proxy/utils/Initializable.sol";
    /**
     * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
     * the Metadata extension, but not including the Enumerable extension, which is available separately as
     * {ERC721Enumerable}.
     */
    contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
        using AddressUpgradeable for address;
        using StringsUpgradeable for uint256;
        // Token name
        string private _name;
        // Token symbol
        string private _symbol;
        // Mapping from token ID to owner address
        mapping(uint256 => address) private _owners;
        // Mapping owner address to token count
        mapping(address => uint256) private _balances;
        // 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;
        /**
         * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
         */
        function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing {
            __Context_init_unchained();
            __ERC165_init_unchained();
            __ERC721_init_unchained(name_, symbol_);
        }
        function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
            _name = name_;
            _symbol = symbol_;
        }
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
            return
                interfaceId == type(IERC721Upgradeable).interfaceId ||
                interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
                super.supportsInterface(interfaceId);
        }
        /**
         * @dev See {IERC721-balanceOf}.
         */
        function balanceOf(address owner) public view virtual override returns (uint256) {
            require(owner != address(0), "ERC721: balance query for the zero address");
            return _balances[owner];
        }
        /**
         * @dev See {IERC721-ownerOf}.
         */
        function ownerOf(uint256 tokenId) public view virtual override returns (address) {
            address owner = _owners[tokenId];
            require(owner != address(0), "ERC721: owner query for nonexistent token");
            return owner;
        }
        /**
         * @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) {
            require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
            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 virtual override {
            address owner = ERC721Upgradeable.ownerOf(tokenId);
            require(to != owner, "ERC721: approval to current owner");
            require(
                _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
                "ERC721: approve caller is not owner nor approved for all"
            );
            _approve(to, tokenId);
        }
        /**
         * @dev See {IERC721-getApproved}.
         */
        function getApproved(uint256 tokenId) public view virtual override returns (address) {
            require(_exists(tokenId), "ERC721: approved query for nonexistent token");
            return _tokenApprovals[tokenId];
        }
        /**
         * @dev See {IERC721-setApprovalForAll}.
         */
        function setApprovalForAll(address operator, bool approved) public virtual override {
            _setApprovalForAll(_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 {
            //solhint-disable-next-line max-line-length
            require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
            _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 {
            require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
            _safeTransfer(from, to, tokenId, _data);
        }
        /**
         * @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.
         *
         * `_data` is additional data, it has no specified format and it is sent in call to `to`.
         *
         * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
         * implement alternative mechanisms to perform token transfer, such as signature-based.
         *
         * Requirements:
         *
         * - `from` cannot be the zero address.
         * - `to` cannot be the zero address.
         * - `tokenId` token must exist and be owned by `from`.
         * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
         *
         * Emits a {Transfer} event.
         */
        function _safeTransfer(
            address from,
            address to,
            uint256 tokenId,
            bytes memory _data
        ) internal virtual {
            _transfer(from, to, tokenId);
            require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
        }
        /**
         * @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`),
         * and stop existing when they are burned (`_burn`).
         */
        function _exists(uint256 tokenId) internal view virtual returns (bool) {
            return _owners[tokenId] != address(0);
        }
        /**
         * @dev Returns whether `spender` is allowed to manage `tokenId`.
         *
         * Requirements:
         *
         * - `tokenId` must exist.
         */
        function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
            require(_exists(tokenId), "ERC721: operator query for nonexistent token");
            address owner = ERC721Upgradeable.ownerOf(tokenId);
            return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
        }
        /**
         * @dev Safely mints `tokenId` and transfers it to `to`.
         *
         * Requirements:
         *
         * - `tokenId` must not exist.
         * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
         *
         * Emits a {Transfer} event.
         */
        function _safeMint(address to, uint256 tokenId) internal virtual {
            _safeMint(to, tokenId, "");
        }
        /**
         * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
         * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
         */
        function _safeMint(
            address to,
            uint256 tokenId,
            bytes memory _data
        ) internal virtual {
            _mint(to, tokenId);
            require(
                _checkOnERC721Received(address(0), to, tokenId, _data),
                "ERC721: transfer to non ERC721Receiver implementer"
            );
        }
        /**
         * @dev Mints `tokenId` and transfers it to `to`.
         *
         * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
         *
         * Requirements:
         *
         * - `tokenId` must not exist.
         * - `to` cannot be the zero address.
         *
         * Emits a {Transfer} event.
         */
        function _mint(address to, uint256 tokenId) internal virtual {
            require(to != address(0), "ERC721: mint to the zero address");
            require(!_exists(tokenId), "ERC721: token already minted");
            _beforeTokenTransfer(address(0), to, tokenId);
            _balances[to] += 1;
            _owners[tokenId] = to;
            emit Transfer(address(0), to, tokenId);
        }
        /**
         * @dev Destroys `tokenId`.
         * The approval is cleared when the token is burned.
         *
         * Requirements:
         *
         * - `tokenId` must exist.
         *
         * Emits a {Transfer} event.
         */
        function _burn(uint256 tokenId) internal virtual {
            address owner = ERC721Upgradeable.ownerOf(tokenId);
            _beforeTokenTransfer(owner, address(0), tokenId);
            // Clear approvals
            _approve(address(0), tokenId);
            _balances[owner] -= 1;
            delete _owners[tokenId];
            emit Transfer(owner, address(0), tokenId);
        }
        /**
         * @dev Transfers `tokenId` from `from` to `to`.
         *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
         *
         * 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
        ) internal virtual {
            require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
            require(to != address(0), "ERC721: transfer to the zero address");
            _beforeTokenTransfer(from, to, tokenId);
            // Clear approvals from the previous owner
            _approve(address(0), tokenId);
            _balances[from] -= 1;
            _balances[to] += 1;
            _owners[tokenId] = to;
            emit Transfer(from, to, tokenId);
        }
        /**
         * @dev Approve `to` to operate on `tokenId`
         *
         * Emits a {Approval} event.
         */
        function _approve(address to, uint256 tokenId) internal virtual {
            _tokenApprovals[tokenId] = to;
            emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);
        }
        /**
         * @dev Approve `operator` to operate on all of `owner` tokens
         *
         * Emits a {ApprovalForAll} event.
         */
        function _setApprovalForAll(
            address owner,
            address operator,
            bool approved
        ) internal virtual {
            require(owner != operator, "ERC721: approve to caller");
            _operatorApprovals[owner][operator] = approved;
            emit ApprovalForAll(owner, operator, approved);
        }
        /**
         * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
         * The call is not executed if the target address is not a 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 _checkOnERC721Received(
            address from,
            address to,
            uint256 tokenId,
            bytes memory _data
        ) private returns (bool) {
            if (to.isContract()) {
                try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                    return retval == IERC721ReceiverUpgradeable.onERC721Received.selector;
                } catch (bytes memory reason) {
                    if (reason.length == 0) {
                        revert("ERC721: transfer to non ERC721Receiver implementer");
                    } else {
                        assembly {
                            revert(add(32, reason), mload(reason))
                        }
                    }
                }
            } else {
                return true;
            }
        }
        /**
         * @dev Hook that is called before any token transfer. This includes minting
         * and burning.
         *
         * 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, ``from``'s `tokenId` will be burned.
         * - `from` and `to` are never both zero.
         *
         * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
         */
        function _beforeTokenTransfer(
            address from,
            address to,
            uint256 tokenId
        ) internal virtual {}
        uint256[44] private __gap;
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
    pragma solidity ^0.8.0;
    import "../proxy/utils/Initializable.sol";
    /**
     * @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 ContextUpgradeable is Initializable {
        function __Context_init() internal onlyInitializing {
            __Context_init_unchained();
        }
        function __Context_init_unchained() internal onlyInitializing {
        }
        function _msgSender() internal view virtual returns (address) {
            return msg.sender;
        }
        function _msgData() internal view virtual returns (bytes calldata) {
            return msg.data;
        }
        uint256[50] private __gap;
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol)
    pragma solidity ^0.8.0;
    import "../../utils/AddressUpgradeable.sol";
    /**
     * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
     * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
     * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
     * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
     *
     * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
     * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
     *
     * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
     * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
     *
     * [CAUTION]
     * ====
     * Avoid leaving a contract uninitialized.
     *
     * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
     * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
     * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
     *
     * [.hljs-theme-light.nopadding]
     * ```
     * /// @custom:oz-upgrades-unsafe-allow constructor
     * constructor() initializer {}
     * ```
     * ====
     */
    abstract contract Initializable {
        /**
         * @dev Indicates that the contract has been initialized.
         */
        bool private _initialized;
        /**
         * @dev Indicates that the contract is in the process of being initialized.
         */
        bool private _initializing;
        /**
         * @dev Modifier to protect an initializer function from being invoked twice.
         */
        modifier initializer() {
            // If the contract is initializing we ignore whether _initialized is set in order to support multiple
            // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
            // contract may have been reentered.
            require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");
            bool isTopLevelCall = !_initializing;
            if (isTopLevelCall) {
                _initializing = true;
                _initialized = true;
            }
            _;
            if (isTopLevelCall) {
                _initializing = false;
            }
        }
        /**
         * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
         * {initializer} modifier, directly or indirectly.
         */
        modifier onlyInitializing() {
            require(_initializing, "Initializable: contract is not initializing");
            _;
        }
        function _isConstructor() private view returns (bool) {
            return !AddressUpgradeable.isContract(address(this));
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
    pragma solidity ^0.8.0;
    import "../../utils/introspection/IERC165Upgradeable.sol";
    /**
     * @dev Required interface of an ERC721 compliant contract.
     */
    interface IERC721Upgradeable is IERC165Upgradeable {
        /**
         * @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;
    }
    // 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 IERC721ReceiverUpgradeable {
        /**
         * @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);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
    pragma solidity ^0.8.0;
    import "../IERC721Upgradeable.sol";
    /**
     * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
     * @dev See https://eips.ethereum.org/EIPS/eip-721
     */
    interface IERC721MetadataUpgradeable is IERC721Upgradeable {
        /**
         * @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);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev String operations.
     */
    library StringsUpgradeable {
        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);
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
    pragma solidity ^0.8.0;
    import "./IERC165Upgradeable.sol";
    import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
        function __ERC165_init() internal onlyInitializing {
            __ERC165_init_unchained();
        }
        function __ERC165_init_unchained() internal onlyInitializing {
        }
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
            return interfaceId == type(IERC165Upgradeable).interfaceId;
        }
        uint256[50] private __gap;
    }
    // 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 IERC165Upgradeable {
        /**
         * @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);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice Interface for a contract which implements admin roles.
     */
    interface IRoles {
      function isAdmin(address account) external view returns (bool);
      function isOperator(address account) external view returns (bool);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol)
    pragma solidity ^0.8.0;
    import "../Strings.sol";
    /**
     * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
     *
     * These functions can be used to verify that a message was signed by the holder
     * of the private keys of a given address.
     */
    library ECDSA {
        enum RecoverError {
            NoError,
            InvalidSignature,
            InvalidSignatureLength,
            InvalidSignatureS,
            InvalidSignatureV
        }
        function _throwError(RecoverError error) private pure {
            if (error == RecoverError.NoError) {
                return; // no error: do nothing
            } else if (error == RecoverError.InvalidSignature) {
                revert("ECDSA: invalid signature");
            } else if (error == RecoverError.InvalidSignatureLength) {
                revert("ECDSA: invalid signature length");
            } else if (error == RecoverError.InvalidSignatureS) {
                revert("ECDSA: invalid signature 's' value");
            } else if (error == RecoverError.InvalidSignatureV) {
                revert("ECDSA: invalid signature 'v' value");
            }
        }
        /**
         * @dev Returns the address that signed a hashed message (`hash`) with
         * `signature` or error string. This address can then be used for verification purposes.
         *
         * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
         * this function rejects them by requiring the `s` value to be in the lower
         * half order, and the `v` value to be either 27 or 28.
         *
         * IMPORTANT: `hash` _must_ be the result of a hash operation for the
         * verification to be secure: it is possible to craft signatures that
         * recover to arbitrary addresses for non-hashed data. A safe way to ensure
         * this is by receiving a hash of the original message (which may otherwise
         * be too long), and then calling {toEthSignedMessageHash} on it.
         *
         * Documentation for signature generation:
         * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
         * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
         *
         * _Available since v4.3._
         */
        function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
            // Check the signature length
            // - case 65: r,s,v signature (standard)
            // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
            if (signature.length == 65) {
                bytes32 r;
                bytes32 s;
                uint8 v;
                // ecrecover takes the signature parameters, and the only way to get them
                // currently is to use assembly.
                assembly {
                    r := mload(add(signature, 0x20))
                    s := mload(add(signature, 0x40))
                    v := byte(0, mload(add(signature, 0x60)))
                }
                return tryRecover(hash, v, r, s);
            } else if (signature.length == 64) {
                bytes32 r;
                bytes32 vs;
                // ecrecover takes the signature parameters, and the only way to get them
                // currently is to use assembly.
                assembly {
                    r := mload(add(signature, 0x20))
                    vs := mload(add(signature, 0x40))
                }
                return tryRecover(hash, r, vs);
            } else {
                return (address(0), RecoverError.InvalidSignatureLength);
            }
        }
        /**
         * @dev Returns the address that signed a hashed message (`hash`) with
         * `signature`. This address can then be used for verification purposes.
         *
         * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
         * this function rejects them by requiring the `s` value to be in the lower
         * half order, and the `v` value to be either 27 or 28.
         *
         * IMPORTANT: `hash` _must_ be the result of a hash operation for the
         * verification to be secure: it is possible to craft signatures that
         * recover to arbitrary addresses for non-hashed data. A safe way to ensure
         * this is by receiving a hash of the original message (which may otherwise
         * be too long), and then calling {toEthSignedMessageHash} on it.
         */
        function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
            (address recovered, RecoverError error) = tryRecover(hash, signature);
            _throwError(error);
            return recovered;
        }
        /**
         * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
         *
         * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
         *
         * _Available since v4.3._
         */
        function tryRecover(
            bytes32 hash,
            bytes32 r,
            bytes32 vs
        ) internal pure returns (address, RecoverError) {
            bytes32 s;
            uint8 v;
            assembly {
                s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
                v := add(shr(255, vs), 27)
            }
            return tryRecover(hash, v, r, s);
        }
        /**
         * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
         *
         * _Available since v4.2._
         */
        function recover(
            bytes32 hash,
            bytes32 r,
            bytes32 vs
        ) internal pure returns (address) {
            (address recovered, RecoverError error) = tryRecover(hash, r, vs);
            _throwError(error);
            return recovered;
        }
        /**
         * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
         * `r` and `s` signature fields separately.
         *
         * _Available since v4.3._
         */
        function tryRecover(
            bytes32 hash,
            uint8 v,
            bytes32 r,
            bytes32 s
        ) internal pure returns (address, RecoverError) {
            // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
            // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
            // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
            // signatures from current libraries generate a unique signature with an s-value in the lower half order.
            //
            // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
            // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
            // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
            // these malleable signatures as well.
            if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
                return (address(0), RecoverError.InvalidSignatureS);
            }
            if (v != 27 && v != 28) {
                return (address(0), RecoverError.InvalidSignatureV);
            }
            // If the signature is valid (and not malleable), return the signer address
            address signer = ecrecover(hash, v, r, s);
            if (signer == address(0)) {
                return (address(0), RecoverError.InvalidSignature);
            }
            return (signer, RecoverError.NoError);
        }
        /**
         * @dev Overload of {ECDSA-recover} that receives the `v`,
         * `r` and `s` signature fields separately.
         */
        function recover(
            bytes32 hash,
            uint8 v,
            bytes32 r,
            bytes32 s
        ) internal pure returns (address) {
            (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
            _throwError(error);
            return recovered;
        }
        /**
         * @dev Returns an Ethereum Signed Message, created from a `hash`. This
         * produces hash corresponding to the one signed with the
         * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
         * JSON-RPC method as part of EIP-191.
         *
         * See {recover}.
         */
        function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
            // 32 is the length in bytes of hash,
            // enforced by the type signature above
            return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
    32", hash));
        }
        /**
         * @dev Returns an Ethereum Signed Message, created from `s`. This
         * produces hash corresponding to the one signed with the
         * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
         * JSON-RPC method as part of EIP-191.
         *
         * See {recover}.
         */
        function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
            return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
    ", Strings.toString(s.length), s));
        }
        /**
         * @dev Returns an Ethereum Signed Typed Data, created from a
         * `domainSeparator` and a `structHash`. This produces hash corresponding
         * to the one signed with the
         * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
         * JSON-RPC method as part of EIP-712.
         *
         * See {recover}.
         */
        function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
            return keccak256(abi.encodePacked("\\x19\\x01", domainSeparator, structHash));
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/cryptography/SignatureChecker.sol)
    pragma solidity ^0.8.0;
    import "./ECDSA.sol";
    import "../Address.sol";
    import "../../interfaces/IERC1271.sol";
    /**
     * @dev Signature verification helper: Provide a single mechanism to verify both private-key (EOA) ECDSA signature and
     * ERC1271 contract signatures. Using this instead of ECDSA.recover in your contract will make them compatible with
     * smart contract wallets such as Argent and Gnosis.
     *
     * Note: unlike ECDSA signatures, contract signature's are revocable, and the outcome of this function can thus change
     * through time. It could return true at block N and false at block N+1 (or the opposite).
     *
     * _Available since v4.1._
     */
    library SignatureChecker {
        function isValidSignatureNow(
            address signer,
            bytes32 hash,
            bytes memory signature
        ) internal view returns (bool) {
            (address recovered, ECDSA.RecoverError error) = ECDSA.tryRecover(hash, signature);
            if (error == ECDSA.RecoverError.NoError && recovered == signer) {
                return true;
            }
            (bool success, bytes memory result) = signer.staticcall(
                abi.encodeWithSelector(IERC1271.isValidSignature.selector, hash, signature)
            );
            return (success && result.length == 32 && abi.decode(result, (bytes4)) == IERC1271.isValidSignature.selector);
        }
    }
    // 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);
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
    pragma solidity ^0.8.0;
    /**
     * @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
         * ====
         */
        function isContract(address account) internal view returns (bool) {
            // This method relies on extcodesize, which returns 0 for contracts in
            // construction, since the code is only stored at the end of the
            // constructor execution.
            uint256 size;
            assembly {
                size := extcodesize(account)
            }
            return size > 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);
                }
            }
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Interface of the ERC1271 standard signature validation method for
     * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
     *
     * _Available since v4.1._
     */
    interface IERC1271 {
        /**
         * @dev Should return whether the signature provided is valid for the provided data
         * @param hash      Hash of the data to be signed
         * @param signature Signature byte array associated with _data
         */
        function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
    }
    

    File 2 of 2: CollectionContract
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721BurnableUpgradeable.sol";
    import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
    import "./interfaces/ICollectionContractInitializer.sol";
    import "./interfaces/ICollectionFactory.sol";
    import "./interfaces/IGetRoyalties.sol";
    import "./interfaces/IProxyCall.sol";
    import "./interfaces/ITokenCreator.sol";
    import "./interfaces/ITokenCreatorPaymentAddress.sol";
    import "./interfaces/IGetFees.sol";
    import "./libraries/AccountMigrationLibrary.sol";
    import "./libraries/ProxyCall.sol";
    import "./libraries/BytesLibrary.sol";
    import "./interfaces/IRoyaltyInfo.sol";
    /**
     * @title A collection of NFTs.
     * @notice All NFTs from this contract are minted by the same creator.
     * A 10% royalty to the creator is included which may be split with collaborators.
     */
    contract CollectionContract is
      ICollectionContractInitializer,
      IGetRoyalties,
      IGetFees,
      IRoyaltyInfo,
      ITokenCreator,
      ITokenCreatorPaymentAddress,
      ERC721BurnableUpgradeable
    {
      using AccountMigrationLibrary for address;
      using AddressUpgradeable for address;
      using BytesLibrary for bytes;
      using ProxyCall for IProxyCall;
      uint256 private constant ROYALTY_IN_BASIS_POINTS = 1000;
      uint256 private constant ROYALTY_RATIO = 10;
      /**
       * @notice The baseURI to use for the tokenURI, if undefined then `ipfs://` is used.
       */
      string private baseURI_;
      /**
       * @dev Stores hashes minted to prevent duplicates.
       */
      mapping(string => bool) private cidToMinted;
      /**
       * @notice The factory which was used to create this collection.
       * @dev This is used to read common config.
       */
      ICollectionFactory public immutable collectionFactory;
      /**
       * @notice The tokenId of the most recently created NFT.
       * @dev Minting starts at tokenId 1. Each mint will use this value + 1.
       */
      uint256 public latestTokenId;
      /**
       * @notice The max tokenId which can be minted, or 0 if there's no limit.
       * @dev This value may be set at any time, but once set it cannot be increased.
       */
      uint256 public maxTokenId;
      /**
       * @notice The owner/creator of this NFT collection.
       */
      address payable public owner;
      /**
       * @dev Stores an optional alternate address to receive creator revenue and royalty payments.
       * The target address may be a contract which could split or escrow payments.
       */
      mapping(uint256 => address payable) private tokenIdToCreatorPaymentAddress;
      /**
       * @dev Tracks how many tokens have been burned, used to calc the total supply efficiently.
       */
      uint256 private burnCounter;
      /**
       * @dev Stores a CID for each NFT.
       */
      mapping(uint256 => string) private _tokenCIDs;
      event BaseURIUpdated(string baseURI);
      event CreatorMigrated(address indexed originalAddress, address indexed newAddress);
      event MaxTokenIdUpdated(uint256 indexed maxTokenId);
      event Minted(address indexed creator, uint256 indexed tokenId, string indexed indexedTokenCID, string tokenCID);
      event NFTOwnerMigrated(uint256 indexed tokenId, address indexed originalAddress, address indexed newAddress);
      event PaymentAddressMigrated(
        uint256 indexed tokenId,
        address indexed originalAddress,
        address indexed newAddress,
        address originalPaymentAddress,
        address newPaymentAddress
      );
      event SelfDestruct(address indexed owner);
      event TokenCreatorPaymentAddressSet(
        address indexed fromPaymentAddress,
        address indexed toPaymentAddress,
        uint256 indexed tokenId
      );
      modifier onlyOwner() {
        require(msg.sender == owner, "CollectionContract: Caller is not owner");
        _;
      }
      modifier onlyOperator() {
        require(collectionFactory.rolesContract().isOperator(msg.sender), "CollectionContract: Caller is not an operator");
        _;
      }
      /**
       * @dev The constructor for a proxy can only be used to assign immutable variables.
       */
      constructor(address _collectionFactory) {
        require(_collectionFactory.isContract(), "CollectionContract: collectionFactory is not a contract");
        collectionFactory = ICollectionFactory(_collectionFactory);
      }
      /**
       * @notice Called by the factory on creation.
       * @dev This may only be called once.
       */
      function initialize(
        address payable _creator,
        string memory _name,
        string memory _symbol
      ) external initializer {
        require(msg.sender == address(collectionFactory), "CollectionContract: Collection must be created via the factory");
        __ERC721_init_unchained(_name, _symbol);
        owner = _creator;
      }
      /**
       * @notice Allows the owner to mint an NFT defined by its metadata path.
       */
      function mint(string memory tokenCID) public returns (uint256 tokenId) {
        tokenId = _mint(tokenCID);
      }
      /**
       * @notice Allows the owner to mint and sets approval for all for the provided operator.
       * @dev This can be used by creators the first time they mint an NFT to save having to issue a separate approval
       * transaction before starting an auction.
       */
      function mintAndApprove(string memory tokenCID, address operator) public returns (uint256 tokenId) {
        tokenId = _mint(tokenCID);
        setApprovalForAll(operator, true);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address.
       */
      function mintWithCreatorPaymentAddress(string memory tokenCID, address payable tokenCreatorPaymentAddress)
        public
        returns (uint256 tokenId)
      {
        require(tokenCreatorPaymentAddress != address(0), "CollectionContract: tokenCreatorPaymentAddress is required");
        tokenId = mint(tokenCID);
        _setTokenCreatorPaymentAddress(tokenId, tokenCreatorPaymentAddress);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address.
       * Also sets approval for all for the provided operator.
       * @dev This can be used by creators the first time they mint an NFT to save having to issue a separate approval
       * transaction before starting an auction.
       */
      function mintWithCreatorPaymentAddressAndApprove(
        string memory tokenCID,
        address payable tokenCreatorPaymentAddress,
        address operator
      ) public returns (uint256 tokenId) {
        tokenId = mintWithCreatorPaymentAddress(tokenCID, tokenCreatorPaymentAddress);
        setApprovalForAll(operator, true);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address
       * which is defined by a contract call, typically a proxy contract address representing the payment terms.
       * @param paymentAddressFactory The contract to call which will return the address to use for payments.
       * @param paymentAddressCallData The call details to sent to the factory provided.
       */
      function mintWithCreatorPaymentFactory(
        string memory tokenCID,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData
      ) public returns (uint256 tokenId) {
        address payable tokenCreatorPaymentAddress = collectionFactory
          .proxyCallContract()
          .proxyCallAndReturnContractAddress(paymentAddressFactory, paymentAddressCallData);
        tokenId = mintWithCreatorPaymentAddress(tokenCID, tokenCreatorPaymentAddress);
      }
      /**
       * @notice Allows the owner to mint an NFT and have creator revenue/royalties sent to an alternate address
       * which is defined by a contract call, typically a proxy contract address representing the payment terms.
       * Also sets approval for all for the provided operator.
       * @param paymentAddressFactory The contract to call which will return the address to use for payments.
       * @param paymentAddressCallData The call details to sent to the factory provided.
       * @dev This can be used by creators the first time they mint an NFT to save having to issue a separate approval
       * transaction before starting an auction.
       */
      function mintWithCreatorPaymentFactoryAndApprove(
        string memory tokenCID,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData,
        address operator
      ) public returns (uint256 tokenId) {
        tokenId = mintWithCreatorPaymentFactory(tokenCID, paymentAddressFactory, paymentAddressCallData);
        setApprovalForAll(operator, true);
      }
      /**
       * @notice Allows the owner to set a max tokenID.
       * This provides a guarantee to collectors about the limit of this collection contract, if applicable.
       * @dev Once this value has been set, it may be decreased but can never be increased.
       */
      function updateMaxTokenId(uint256 _maxTokenId) external onlyOwner {
        require(_maxTokenId > 0, "CollectionContract: Max token ID may not be cleared");
        require(maxTokenId == 0 || _maxTokenId < maxTokenId, "CollectionContract: Max token ID may not increase");
        require(latestTokenId + 1 <= _maxTokenId, "CollectionContract: Max token ID must be greater than last mint");
        maxTokenId = _maxTokenId;
        emit MaxTokenIdUpdated(_maxTokenId);
      }
      /**
       * @notice Allows the owner to assign a baseURI to use for the tokenURI instead of the default `ipfs://`.
       */
      function updateBaseURI(string calldata baseURIOverride) external onlyOwner {
        baseURI_ = baseURIOverride;
        emit BaseURIUpdated(baseURIOverride);
      }
      /**
       * @notice Allows the creator to burn if they currently own the NFT.
       */
      function burn(uint256 tokenId) public override onlyOwner {
        super.burn(tokenId);
      }
      /**
       * @notice Allows the collection owner to destroy this contract only if
       * no NFTs have been minted yet.
       */
      function selfDestruct() external onlyOwner {
        require(totalSupply() == 0, "CollectionContract: Any NFTs minted must be burned first");
        emit SelfDestruct(msg.sender);
        selfdestruct(payable(msg.sender));
      }
      /**
       * @notice Allows an NFT owner or creator and Foundation to work together in order to update the creator
       * to a new account and/or transfer NFTs to that account.
       * @param signature Message `I authorize Foundation to migrate my account to ${newAccount.address.toLowerCase()}`
       * signed by the original account.
       * @dev This will gracefully skip any NFTs that have been burned or transferred.
       */
      function adminAccountMigration(
        uint256[] calldata ownedTokenIds,
        address originalAddress,
        address payable newAddress,
        bytes calldata signature
      ) public onlyOperator {
        originalAddress.requireAuthorizedAccountMigration(newAddress, signature);
        for (uint256 i = 0; i < ownedTokenIds.length; i++) {
          uint256 tokenId = ownedTokenIds[i];
          // Check that the token exists and still is owned by the originalAddress
          // so that frontrunning a burn or transfer will not cause the entire tx to revert
          if (_exists(tokenId) && ownerOf(tokenId) == originalAddress) {
            _transfer(originalAddress, newAddress, tokenId);
            emit NFTOwnerMigrated(tokenId, originalAddress, newAddress);
          }
        }
        if (owner == originalAddress) {
          owner = newAddress;
          emit CreatorMigrated(originalAddress, newAddress);
        }
      }
      /**
       * @notice Allows a split recipient and Foundation to work together in order to update the payment address
       * to a new account.
       * @param signature Message `I authorize Foundation to migrate my account to ${newAccount.address.toLowerCase()}`
       * signed by the original account.
       */
      function adminAccountMigrationForPaymentAddresses(
        uint256[] calldata paymentAddressTokenIds,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData,
        uint256 addressLocationInCallData,
        address originalAddress,
        address payable newAddress,
        bytes calldata signature
      ) public onlyOperator {
        originalAddress.requireAuthorizedAccountMigration(newAddress, signature);
        _adminAccountRecoveryForPaymentAddresses(
          paymentAddressTokenIds,
          paymentAddressFactory,
          paymentAddressCallData,
          addressLocationInCallData,
          originalAddress,
          newAddress
        );
      }
      function baseURI() external view returns (string memory) {
        return _baseURI();
      }
      /**
       * @notice Returns an array of recipient addresses to which royalties for secondary sales should be sent.
       * The expected royalty amount is communicated with `getFeeBps`.
       */
      function getFeeRecipients(uint256 id) external view returns (address payable[] memory recipients) {
        recipients = new address payable[](1);
        recipients[0] = getTokenCreatorPaymentAddress(id);
      }
      /**
       * @notice Returns an array of royalties to be sent for secondary sales in basis points.
       * The expected recipients is communicated with `getFeeRecipients`.
       */
      function getFeeBps(
        uint256 /* id */
      ) external pure returns (uint256[] memory feesInBasisPoints) {
        feesInBasisPoints = new uint256[](1);
        feesInBasisPoints[0] = ROYALTY_IN_BASIS_POINTS;
      }
      /**
       * @notice Checks if the creator has already minted a given NFT using this collection contract.
       */
      function getHasMintedCID(string memory tokenCID) public view returns (bool) {
        return cidToMinted[tokenCID];
      }
      /**
       * @notice Returns an array of royalties to be sent for secondary sales.
       */
      function getRoyalties(uint256 tokenId)
        external
        view
        returns (address payable[] memory recipients, uint256[] memory feesInBasisPoints)
      {
        recipients = new address payable[](1);
        recipients[0] = getTokenCreatorPaymentAddress(tokenId);
        feesInBasisPoints = new uint256[](1);
        feesInBasisPoints[0] = ROYALTY_IN_BASIS_POINTS;
      }
      /**
       * @notice Returns the receiver and the amount to be sent for a secondary sale.
       */
      function royaltyInfo(uint256 _tokenId, uint256 _salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount)
      {
        receiver = getTokenCreatorPaymentAddress(_tokenId);
        unchecked {
          royaltyAmount = _salePrice / ROYALTY_RATIO;
        }
      }
      /**
       * @notice Returns the creator for an NFT, which is always the collection owner.
       */
      function tokenCreator(
        uint256 /* tokenId */
      ) external view returns (address payable) {
        return owner;
      }
      /**
       * @notice Returns the desired payment address to be used for any transfers to the creator.
       * @dev The payment address may be assigned for each individual NFT, if not defined the collection owner is returned.
       */
      function getTokenCreatorPaymentAddress(uint256 tokenId)
        public
        view
        returns (address payable tokenCreatorPaymentAddress)
      {
        tokenCreatorPaymentAddress = tokenIdToCreatorPaymentAddress[tokenId];
        if (tokenCreatorPaymentAddress == address(0)) {
          tokenCreatorPaymentAddress = owner;
        }
      }
      /**
       * @notice Count of NFTs tracked by this contract.
       * @dev From the ERC-721 enumerable standard.
       */
      function totalSupply() public view returns (uint256) {
        unchecked {
          return latestTokenId - burnCounter;
        }
      }
      function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        if (
          interfaceId == type(IGetRoyalties).interfaceId ||
          interfaceId == type(ITokenCreator).interfaceId ||
          interfaceId == type(ITokenCreatorPaymentAddress).interfaceId ||
          interfaceId == type(IGetFees).interfaceId ||
          interfaceId == type(IRoyaltyInfo).interfaceId
        ) {
          return true;
        }
        return super.supportsInterface(interfaceId);
      }
      function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "CollectionContract: URI query for nonexistent token");
        return string(abi.encodePacked(_baseURI(), _tokenCIDs[tokenId]));
      }
      function _mint(string memory tokenCID) private onlyOwner returns (uint256 tokenId) {
        require(bytes(tokenCID).length > 0, "CollectionContract: tokenCID is required");
        require(!cidToMinted[tokenCID], "CollectionContract: NFT was already minted");
        unchecked {
          tokenId = ++latestTokenId;
          require(maxTokenId == 0 || tokenId <= maxTokenId, "CollectionContract: Max token count has already been minted");
          cidToMinted[tokenCID] = true;
          _tokenCIDs[tokenId] = tokenCID;
          _safeMint(msg.sender, tokenId, "");
          emit Minted(msg.sender, tokenId, tokenCID, tokenCID);
        }
      }
      /**
       * @dev Allow setting a different address to send payments to for both primary sale revenue
       * and secondary sales royalties.
       */
      function _setTokenCreatorPaymentAddress(uint256 tokenId, address payable tokenCreatorPaymentAddress) internal {
        emit TokenCreatorPaymentAddressSet(tokenIdToCreatorPaymentAddress[tokenId], tokenCreatorPaymentAddress, tokenId);
        tokenIdToCreatorPaymentAddress[tokenId] = tokenCreatorPaymentAddress;
      }
      function _burn(uint256 tokenId) internal override {
        delete cidToMinted[_tokenCIDs[tokenId]];
        delete tokenIdToCreatorPaymentAddress[tokenId];
        delete _tokenCIDs[tokenId];
        unchecked {
          burnCounter++;
        }
        super._burn(tokenId);
      }
      /**
       * @dev Split into a second function to avoid stack too deep errors
       */
      function _adminAccountRecoveryForPaymentAddresses(
        uint256[] calldata paymentAddressTokenIds,
        address paymentAddressFactory,
        bytes memory paymentAddressCallData,
        uint256 addressLocationInCallData,
        address originalAddress,
        address payable newAddress
      ) private {
        // Call the factory and get the originalPaymentAddress
        address payable originalPaymentAddress = collectionFactory.proxyCallContract().proxyCallAndReturnContractAddress(
          paymentAddressFactory,
          paymentAddressCallData
        );
        // Confirm the original address and swap with the new address
        paymentAddressCallData.replaceAtIf(addressLocationInCallData, originalAddress, newAddress);
        // Call the factory and get the newPaymentAddress
        address payable newPaymentAddress = collectionFactory.proxyCallContract().proxyCallAndReturnContractAddress(
          paymentAddressFactory,
          paymentAddressCallData
        );
        // For each token, confirm the expected payment address and then update to the new one
        for (uint256 i = 0; i < paymentAddressTokenIds.length; i++) {
          uint256 tokenId = paymentAddressTokenIds[i];
          require(
            tokenIdToCreatorPaymentAddress[tokenId] == originalPaymentAddress,
            "CollectionContract: Payment address is not the expected value"
          );
          _setTokenCreatorPaymentAddress(tokenId, newPaymentAddress);
          emit PaymentAddressMigrated(tokenId, originalAddress, newAddress, originalPaymentAddress, newPaymentAddress);
        }
      }
      function _baseURI() internal view override returns (string memory) {
        if (bytes(baseURI_).length > 0) {
          return baseURI_;
        }
        return "ipfs://";
      }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Burnable.sol)
    pragma solidity ^0.8.0;
    import "../ERC721Upgradeable.sol";
    import "../../../utils/ContextUpgradeable.sol";
    import "../../../proxy/utils/Initializable.sol";
    /**
     * @title ERC721 Burnable Token
     * @dev ERC721 Token that can be irreversibly burned (destroyed).
     */
    abstract contract ERC721BurnableUpgradeable is Initializable, ContextUpgradeable, ERC721Upgradeable {
        function __ERC721Burnable_init() internal onlyInitializing {
            __Context_init_unchained();
            __ERC165_init_unchained();
            __ERC721Burnable_init_unchained();
        }
        function __ERC721Burnable_init_unchained() internal onlyInitializing {
        }
        /**
         * @dev Burns `tokenId`. See {ERC721-_burn}.
         *
         * Requirements:
         *
         * - The caller must own `tokenId` or be an approved operator.
         */
        function burn(uint256 tokenId) public virtual {
            //solhint-disable-next-line max-line-length
            require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
            _burn(tokenId);
        }
        uint256[50] private __gap;
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Collection of functions related to the address type
     */
    library AddressUpgradeable {
        /**
         * @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
         * ====
         */
        function isContract(address account) internal view returns (bool) {
            // This method relies on extcodesize, which returns 0 for contracts in
            // construction, since the code is only stored at the end of the
            // constructor execution.
            uint256 size;
            assembly {
                size := extcodesize(account)
            }
            return size > 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 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);
                }
            }
        }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface ICollectionContractInitializer {
      function initialize(
        address payable _creator,
        string memory _name,
        string memory _symbol
      ) external;
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "./IRoles.sol";
    import "./IProxyCall.sol";
    interface ICollectionFactory {
      function rolesContract() external returns (IRoles);
      function proxyCallContract() external returns (IProxyCall);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface IGetRoyalties {
      function getRoyalties(uint256 tokenId)
        external
        view
        returns (address payable[] memory recipients, uint256[] memory feesInBasisPoints);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface IProxyCall {
      function proxyCallAndReturnAddress(address externalContract, bytes calldata callData)
        external
        returns (address payable result);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface ITokenCreator {
      function tokenCreator(uint256 tokenId) external view returns (address payable);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    interface ITokenCreatorPaymentAddress {
      function getTokenCreatorPaymentAddress(uint256 tokenId)
        external
        view
        returns (address payable tokenCreatorPaymentAddress);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice An interface for communicating fees to 3rd party marketplaces.
     * @dev Originally implemented in mainnet contract 0x44d6e8933f8271abcf253c72f9ed7e0e4c0323b3
     */
    interface IGetFees {
      function getFeeRecipients(uint256 id) external view returns (address payable[] memory);
      function getFeeBps(uint256 id) external view returns (uint256[] memory);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
    import "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
    import "@openzeppelin/contracts/utils/Strings.sol";
    /**
     * @notice Checks for a valid signature authorizing the migration of an account to a new address.
     * @dev This is shared by both the NFT contracts and FNDNFTMarket, and the same signature authorizes both.
     */
    library AccountMigrationLibrary {
      using ECDSA for bytes;
      using SignatureChecker for address;
      using Strings for uint256;
      // From https://ethereum.stackexchange.com/questions/8346/convert-address-to-string
      function _toAsciiString(address x) private pure returns (string memory) {
        bytes memory s = new bytes(42);
        s[0] = "0";
        s[1] = "x";
        for (uint256 i = 0; i < 20; i++) {
          bytes1 b = bytes1(uint8(uint256(uint160(x)) / (2**(8 * (19 - i)))));
          bytes1 hi = bytes1(uint8(b) / 16);
          bytes1 lo = bytes1(uint8(b) - 16 * uint8(hi));
          s[2 * i + 2] = _char(hi);
          s[2 * i + 3] = _char(lo);
        }
        return string(s);
      }
      function _char(bytes1 b) private pure returns (bytes1 c) {
        if (uint8(b) < 10) return bytes1(uint8(b) + 0x30);
        else return bytes1(uint8(b) + 0x57);
      }
      /**
       * @dev Confirms the msg.sender is a Foundation operator and that the signature provided is valid.
       * @param signature Message `I authorize Foundation to migrate my account to ${newAccount.address.toLowerCase()}`
       * signed by the original account.
       */
      function requireAuthorizedAccountMigration(
        address originalAddress,
        address newAddress,
        bytes memory signature
      ) internal view {
        require(originalAddress != newAddress, "AccountMigration: Cannot migrate to the same account");
        bytes32 hash = abi
          .encodePacked("I authorize Foundation to migrate my account to ", _toAsciiString(newAddress))
          .toEthSignedMessageHash();
        require(
          originalAddress.isValidSignatureNow(hash, signature),
          "AccountMigration: Signature must be from the original account"
        );
      }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
    import "../interfaces/IProxyCall.sol";
    /**
     * @notice Forwards arbitrary calls to an external contract to be processed.
     * @dev This is used so that the from address of the calling contract does not have
     * any special permissions (e.g. ERC-20 transfer).
     */
    library ProxyCall {
      using AddressUpgradeable for address payable;
      /**
       * @dev Used by other mixins to make external calls through the proxy contract.
       * This will fail if the proxyCall address is address(0).
       */
      function proxyCallAndReturnContractAddress(
        IProxyCall proxyCall,
        address externalContract,
        bytes memory callData
      ) internal returns (address payable result) {
        result = proxyCall.proxyCallAndReturnAddress(externalContract, callData);
        require(result.isContract(), "ProxyCall: address returned is not a contract");
      }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice A library for manipulation of byte arrays.
     */
    library BytesLibrary {
      /**
       * @dev Replace the address at the given location in a byte array if the contents at that location
       * match the expected address.
       */
      function replaceAtIf(
        bytes memory data,
        uint256 startLocation,
        address expectedAddress,
        address newAddress
      ) internal pure {
        bytes memory expectedData = abi.encodePacked(expectedAddress);
        bytes memory newData = abi.encodePacked(newAddress);
        // An address is 20 bytes long
        for (uint256 i = 0; i < 20; i++) {
          uint256 dataLocation = startLocation + i;
          require(data[dataLocation] == expectedData[i], "Bytes: Data provided does not include the expectedAddress");
          data[dataLocation] = newData[i];
        }
      }
      /**
       * @dev Checks if the call data starts with the given function signature.
       */
      function startsWith(bytes memory callData, bytes4 functionSig) internal pure returns (bool) {
        // A signature is 4 bytes long
        if (callData.length < 4) {
          return false;
        }
        for (uint256 i = 0; i < 4; i++) {
          if (callData[i] != functionSig[i]) {
            return false;
          }
        }
        return true;
      }
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice Interface for EIP-2981: NFT Royalty Standard.
     * For more see: https://eips.ethereum.org/EIPS/eip-2981.
     */
    interface IRoyaltyInfo {
      /// @notice Called with the sale price to determine how much royalty
      //          is owed and to whom.
      /// @param _tokenId - the NFT asset queried for royalty information
      /// @param _salePrice - the sale price of the NFT asset specified by _tokenId
      /// @return receiver - address of who should be sent the royalty payment
      /// @return royaltyAmount - the royalty payment amount for _salePrice
      function royaltyInfo(uint256 _tokenId, uint256 _salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/ERC721.sol)
    pragma solidity ^0.8.0;
    import "./IERC721Upgradeable.sol";
    import "./IERC721ReceiverUpgradeable.sol";
    import "./extensions/IERC721MetadataUpgradeable.sol";
    import "../../utils/AddressUpgradeable.sol";
    import "../../utils/ContextUpgradeable.sol";
    import "../../utils/StringsUpgradeable.sol";
    import "../../utils/introspection/ERC165Upgradeable.sol";
    import "../../proxy/utils/Initializable.sol";
    /**
     * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
     * the Metadata extension, but not including the Enumerable extension, which is available separately as
     * {ERC721Enumerable}.
     */
    contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
        using AddressUpgradeable for address;
        using StringsUpgradeable for uint256;
        // Token name
        string private _name;
        // Token symbol
        string private _symbol;
        // Mapping from token ID to owner address
        mapping(uint256 => address) private _owners;
        // Mapping owner address to token count
        mapping(address => uint256) private _balances;
        // 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;
        /**
         * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
         */
        function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing {
            __Context_init_unchained();
            __ERC165_init_unchained();
            __ERC721_init_unchained(name_, symbol_);
        }
        function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
            _name = name_;
            _symbol = symbol_;
        }
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
            return
                interfaceId == type(IERC721Upgradeable).interfaceId ||
                interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
                super.supportsInterface(interfaceId);
        }
        /**
         * @dev See {IERC721-balanceOf}.
         */
        function balanceOf(address owner) public view virtual override returns (uint256) {
            require(owner != address(0), "ERC721: balance query for the zero address");
            return _balances[owner];
        }
        /**
         * @dev See {IERC721-ownerOf}.
         */
        function ownerOf(uint256 tokenId) public view virtual override returns (address) {
            address owner = _owners[tokenId];
            require(owner != address(0), "ERC721: owner query for nonexistent token");
            return owner;
        }
        /**
         * @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) {
            require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
            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 virtual override {
            address owner = ERC721Upgradeable.ownerOf(tokenId);
            require(to != owner, "ERC721: approval to current owner");
            require(
                _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
                "ERC721: approve caller is not owner nor approved for all"
            );
            _approve(to, tokenId);
        }
        /**
         * @dev See {IERC721-getApproved}.
         */
        function getApproved(uint256 tokenId) public view virtual override returns (address) {
            require(_exists(tokenId), "ERC721: approved query for nonexistent token");
            return _tokenApprovals[tokenId];
        }
        /**
         * @dev See {IERC721-setApprovalForAll}.
         */
        function setApprovalForAll(address operator, bool approved) public virtual override {
            _setApprovalForAll(_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 {
            //solhint-disable-next-line max-line-length
            require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
            _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 {
            require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
            _safeTransfer(from, to, tokenId, _data);
        }
        /**
         * @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.
         *
         * `_data` is additional data, it has no specified format and it is sent in call to `to`.
         *
         * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
         * implement alternative mechanisms to perform token transfer, such as signature-based.
         *
         * Requirements:
         *
         * - `from` cannot be the zero address.
         * - `to` cannot be the zero address.
         * - `tokenId` token must exist and be owned by `from`.
         * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
         *
         * Emits a {Transfer} event.
         */
        function _safeTransfer(
            address from,
            address to,
            uint256 tokenId,
            bytes memory _data
        ) internal virtual {
            _transfer(from, to, tokenId);
            require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
        }
        /**
         * @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`),
         * and stop existing when they are burned (`_burn`).
         */
        function _exists(uint256 tokenId) internal view virtual returns (bool) {
            return _owners[tokenId] != address(0);
        }
        /**
         * @dev Returns whether `spender` is allowed to manage `tokenId`.
         *
         * Requirements:
         *
         * - `tokenId` must exist.
         */
        function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
            require(_exists(tokenId), "ERC721: operator query for nonexistent token");
            address owner = ERC721Upgradeable.ownerOf(tokenId);
            return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
        }
        /**
         * @dev Safely mints `tokenId` and transfers it to `to`.
         *
         * Requirements:
         *
         * - `tokenId` must not exist.
         * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
         *
         * Emits a {Transfer} event.
         */
        function _safeMint(address to, uint256 tokenId) internal virtual {
            _safeMint(to, tokenId, "");
        }
        /**
         * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
         * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
         */
        function _safeMint(
            address to,
            uint256 tokenId,
            bytes memory _data
        ) internal virtual {
            _mint(to, tokenId);
            require(
                _checkOnERC721Received(address(0), to, tokenId, _data),
                "ERC721: transfer to non ERC721Receiver implementer"
            );
        }
        /**
         * @dev Mints `tokenId` and transfers it to `to`.
         *
         * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
         *
         * Requirements:
         *
         * - `tokenId` must not exist.
         * - `to` cannot be the zero address.
         *
         * Emits a {Transfer} event.
         */
        function _mint(address to, uint256 tokenId) internal virtual {
            require(to != address(0), "ERC721: mint to the zero address");
            require(!_exists(tokenId), "ERC721: token already minted");
            _beforeTokenTransfer(address(0), to, tokenId);
            _balances[to] += 1;
            _owners[tokenId] = to;
            emit Transfer(address(0), to, tokenId);
        }
        /**
         * @dev Destroys `tokenId`.
         * The approval is cleared when the token is burned.
         *
         * Requirements:
         *
         * - `tokenId` must exist.
         *
         * Emits a {Transfer} event.
         */
        function _burn(uint256 tokenId) internal virtual {
            address owner = ERC721Upgradeable.ownerOf(tokenId);
            _beforeTokenTransfer(owner, address(0), tokenId);
            // Clear approvals
            _approve(address(0), tokenId);
            _balances[owner] -= 1;
            delete _owners[tokenId];
            emit Transfer(owner, address(0), tokenId);
        }
        /**
         * @dev Transfers `tokenId` from `from` to `to`.
         *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
         *
         * 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
        ) internal virtual {
            require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
            require(to != address(0), "ERC721: transfer to the zero address");
            _beforeTokenTransfer(from, to, tokenId);
            // Clear approvals from the previous owner
            _approve(address(0), tokenId);
            _balances[from] -= 1;
            _balances[to] += 1;
            _owners[tokenId] = to;
            emit Transfer(from, to, tokenId);
        }
        /**
         * @dev Approve `to` to operate on `tokenId`
         *
         * Emits a {Approval} event.
         */
        function _approve(address to, uint256 tokenId) internal virtual {
            _tokenApprovals[tokenId] = to;
            emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);
        }
        /**
         * @dev Approve `operator` to operate on all of `owner` tokens
         *
         * Emits a {ApprovalForAll} event.
         */
        function _setApprovalForAll(
            address owner,
            address operator,
            bool approved
        ) internal virtual {
            require(owner != operator, "ERC721: approve to caller");
            _operatorApprovals[owner][operator] = approved;
            emit ApprovalForAll(owner, operator, approved);
        }
        /**
         * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
         * The call is not executed if the target address is not a 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 _checkOnERC721Received(
            address from,
            address to,
            uint256 tokenId,
            bytes memory _data
        ) private returns (bool) {
            if (to.isContract()) {
                try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                    return retval == IERC721ReceiverUpgradeable.onERC721Received.selector;
                } catch (bytes memory reason) {
                    if (reason.length == 0) {
                        revert("ERC721: transfer to non ERC721Receiver implementer");
                    } else {
                        assembly {
                            revert(add(32, reason), mload(reason))
                        }
                    }
                }
            } else {
                return true;
            }
        }
        /**
         * @dev Hook that is called before any token transfer. This includes minting
         * and burning.
         *
         * 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, ``from``'s `tokenId` will be burned.
         * - `from` and `to` are never both zero.
         *
         * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
         */
        function _beforeTokenTransfer(
            address from,
            address to,
            uint256 tokenId
        ) internal virtual {}
        uint256[44] private __gap;
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
    pragma solidity ^0.8.0;
    import "../proxy/utils/Initializable.sol";
    /**
     * @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 ContextUpgradeable is Initializable {
        function __Context_init() internal onlyInitializing {
            __Context_init_unchained();
        }
        function __Context_init_unchained() internal onlyInitializing {
        }
        function _msgSender() internal view virtual returns (address) {
            return msg.sender;
        }
        function _msgData() internal view virtual returns (bytes calldata) {
            return msg.data;
        }
        uint256[50] private __gap;
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol)
    pragma solidity ^0.8.0;
    import "../../utils/AddressUpgradeable.sol";
    /**
     * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
     * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
     * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
     * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
     *
     * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
     * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
     *
     * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
     * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
     *
     * [CAUTION]
     * ====
     * Avoid leaving a contract uninitialized.
     *
     * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
     * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
     * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
     *
     * [.hljs-theme-light.nopadding]
     * ```
     * /// @custom:oz-upgrades-unsafe-allow constructor
     * constructor() initializer {}
     * ```
     * ====
     */
    abstract contract Initializable {
        /**
         * @dev Indicates that the contract has been initialized.
         */
        bool private _initialized;
        /**
         * @dev Indicates that the contract is in the process of being initialized.
         */
        bool private _initializing;
        /**
         * @dev Modifier to protect an initializer function from being invoked twice.
         */
        modifier initializer() {
            // If the contract is initializing we ignore whether _initialized is set in order to support multiple
            // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
            // contract may have been reentered.
            require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");
            bool isTopLevelCall = !_initializing;
            if (isTopLevelCall) {
                _initializing = true;
                _initialized = true;
            }
            _;
            if (isTopLevelCall) {
                _initializing = false;
            }
        }
        /**
         * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
         * {initializer} modifier, directly or indirectly.
         */
        modifier onlyInitializing() {
            require(_initializing, "Initializable: contract is not initializing");
            _;
        }
        function _isConstructor() private view returns (bool) {
            return !AddressUpgradeable.isContract(address(this));
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)
    pragma solidity ^0.8.0;
    import "../../utils/introspection/IERC165Upgradeable.sol";
    /**
     * @dev Required interface of an ERC721 compliant contract.
     */
    interface IERC721Upgradeable is IERC165Upgradeable {
        /**
         * @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;
    }
    // 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 IERC721ReceiverUpgradeable {
        /**
         * @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);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
    pragma solidity ^0.8.0;
    import "../IERC721Upgradeable.sol";
    /**
     * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
     * @dev See https://eips.ethereum.org/EIPS/eip-721
     */
    interface IERC721MetadataUpgradeable is IERC721Upgradeable {
        /**
         * @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);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev String operations.
     */
    library StringsUpgradeable {
        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);
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
    pragma solidity ^0.8.0;
    import "./IERC165Upgradeable.sol";
    import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
        function __ERC165_init() internal onlyInitializing {
            __ERC165_init_unchained();
        }
        function __ERC165_init_unchained() internal onlyInitializing {
        }
        /**
         * @dev See {IERC165-supportsInterface}.
         */
        function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
            return interfaceId == type(IERC165Upgradeable).interfaceId;
        }
        uint256[50] private __gap;
    }
    // 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 IERC165Upgradeable {
        /**
         * @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);
    }
    // SPDX-License-Identifier: MIT OR Apache-2.0
    pragma solidity ^0.8.0;
    /**
     * @notice Interface for a contract which implements admin roles.
     */
    interface IRoles {
      function isAdmin(address account) external view returns (bool);
      function isOperator(address account) external view returns (bool);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol)
    pragma solidity ^0.8.0;
    import "../Strings.sol";
    /**
     * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
     *
     * These functions can be used to verify that a message was signed by the holder
     * of the private keys of a given address.
     */
    library ECDSA {
        enum RecoverError {
            NoError,
            InvalidSignature,
            InvalidSignatureLength,
            InvalidSignatureS,
            InvalidSignatureV
        }
        function _throwError(RecoverError error) private pure {
            if (error == RecoverError.NoError) {
                return; // no error: do nothing
            } else if (error == RecoverError.InvalidSignature) {
                revert("ECDSA: invalid signature");
            } else if (error == RecoverError.InvalidSignatureLength) {
                revert("ECDSA: invalid signature length");
            } else if (error == RecoverError.InvalidSignatureS) {
                revert("ECDSA: invalid signature 's' value");
            } else if (error == RecoverError.InvalidSignatureV) {
                revert("ECDSA: invalid signature 'v' value");
            }
        }
        /**
         * @dev Returns the address that signed a hashed message (`hash`) with
         * `signature` or error string. This address can then be used for verification purposes.
         *
         * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
         * this function rejects them by requiring the `s` value to be in the lower
         * half order, and the `v` value to be either 27 or 28.
         *
         * IMPORTANT: `hash` _must_ be the result of a hash operation for the
         * verification to be secure: it is possible to craft signatures that
         * recover to arbitrary addresses for non-hashed data. A safe way to ensure
         * this is by receiving a hash of the original message (which may otherwise
         * be too long), and then calling {toEthSignedMessageHash} on it.
         *
         * Documentation for signature generation:
         * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
         * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
         *
         * _Available since v4.3._
         */
        function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
            // Check the signature length
            // - case 65: r,s,v signature (standard)
            // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
            if (signature.length == 65) {
                bytes32 r;
                bytes32 s;
                uint8 v;
                // ecrecover takes the signature parameters, and the only way to get them
                // currently is to use assembly.
                assembly {
                    r := mload(add(signature, 0x20))
                    s := mload(add(signature, 0x40))
                    v := byte(0, mload(add(signature, 0x60)))
                }
                return tryRecover(hash, v, r, s);
            } else if (signature.length == 64) {
                bytes32 r;
                bytes32 vs;
                // ecrecover takes the signature parameters, and the only way to get them
                // currently is to use assembly.
                assembly {
                    r := mload(add(signature, 0x20))
                    vs := mload(add(signature, 0x40))
                }
                return tryRecover(hash, r, vs);
            } else {
                return (address(0), RecoverError.InvalidSignatureLength);
            }
        }
        /**
         * @dev Returns the address that signed a hashed message (`hash`) with
         * `signature`. This address can then be used for verification purposes.
         *
         * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
         * this function rejects them by requiring the `s` value to be in the lower
         * half order, and the `v` value to be either 27 or 28.
         *
         * IMPORTANT: `hash` _must_ be the result of a hash operation for the
         * verification to be secure: it is possible to craft signatures that
         * recover to arbitrary addresses for non-hashed data. A safe way to ensure
         * this is by receiving a hash of the original message (which may otherwise
         * be too long), and then calling {toEthSignedMessageHash} on it.
         */
        function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
            (address recovered, RecoverError error) = tryRecover(hash, signature);
            _throwError(error);
            return recovered;
        }
        /**
         * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
         *
         * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
         *
         * _Available since v4.3._
         */
        function tryRecover(
            bytes32 hash,
            bytes32 r,
            bytes32 vs
        ) internal pure returns (address, RecoverError) {
            bytes32 s;
            uint8 v;
            assembly {
                s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
                v := add(shr(255, vs), 27)
            }
            return tryRecover(hash, v, r, s);
        }
        /**
         * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
         *
         * _Available since v4.2._
         */
        function recover(
            bytes32 hash,
            bytes32 r,
            bytes32 vs
        ) internal pure returns (address) {
            (address recovered, RecoverError error) = tryRecover(hash, r, vs);
            _throwError(error);
            return recovered;
        }
        /**
         * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
         * `r` and `s` signature fields separately.
         *
         * _Available since v4.3._
         */
        function tryRecover(
            bytes32 hash,
            uint8 v,
            bytes32 r,
            bytes32 s
        ) internal pure returns (address, RecoverError) {
            // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
            // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
            // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
            // signatures from current libraries generate a unique signature with an s-value in the lower half order.
            //
            // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
            // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
            // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
            // these malleable signatures as well.
            if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
                return (address(0), RecoverError.InvalidSignatureS);
            }
            if (v != 27 && v != 28) {
                return (address(0), RecoverError.InvalidSignatureV);
            }
            // If the signature is valid (and not malleable), return the signer address
            address signer = ecrecover(hash, v, r, s);
            if (signer == address(0)) {
                return (address(0), RecoverError.InvalidSignature);
            }
            return (signer, RecoverError.NoError);
        }
        /**
         * @dev Overload of {ECDSA-recover} that receives the `v`,
         * `r` and `s` signature fields separately.
         */
        function recover(
            bytes32 hash,
            uint8 v,
            bytes32 r,
            bytes32 s
        ) internal pure returns (address) {
            (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
            _throwError(error);
            return recovered;
        }
        /**
         * @dev Returns an Ethereum Signed Message, created from a `hash`. This
         * produces hash corresponding to the one signed with the
         * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
         * JSON-RPC method as part of EIP-191.
         *
         * See {recover}.
         */
        function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
            // 32 is the length in bytes of hash,
            // enforced by the type signature above
            return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
    32", hash));
        }
        /**
         * @dev Returns an Ethereum Signed Message, created from `s`. This
         * produces hash corresponding to the one signed with the
         * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
         * JSON-RPC method as part of EIP-191.
         *
         * See {recover}.
         */
        function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
            return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
    ", Strings.toString(s.length), s));
        }
        /**
         * @dev Returns an Ethereum Signed Typed Data, created from a
         * `domainSeparator` and a `structHash`. This produces hash corresponding
         * to the one signed with the
         * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
         * JSON-RPC method as part of EIP-712.
         *
         * See {recover}.
         */
        function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
            return keccak256(abi.encodePacked("\\x19\\x01", domainSeparator, structHash));
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/cryptography/SignatureChecker.sol)
    pragma solidity ^0.8.0;
    import "./ECDSA.sol";
    import "../Address.sol";
    import "../../interfaces/IERC1271.sol";
    /**
     * @dev Signature verification helper: Provide a single mechanism to verify both private-key (EOA) ECDSA signature and
     * ERC1271 contract signatures. Using this instead of ECDSA.recover in your contract will make them compatible with
     * smart contract wallets such as Argent and Gnosis.
     *
     * Note: unlike ECDSA signatures, contract signature's are revocable, and the outcome of this function can thus change
     * through time. It could return true at block N and false at block N+1 (or the opposite).
     *
     * _Available since v4.1._
     */
    library SignatureChecker {
        function isValidSignatureNow(
            address signer,
            bytes32 hash,
            bytes memory signature
        ) internal view returns (bool) {
            (address recovered, ECDSA.RecoverError error) = ECDSA.tryRecover(hash, signature);
            if (error == ECDSA.RecoverError.NoError && recovered == signer) {
                return true;
            }
            (bool success, bytes memory result) = signer.staticcall(
                abi.encodeWithSelector(IERC1271.isValidSignature.selector, hash, signature)
            );
            return (success && result.length == 32 && abi.decode(result, (bytes4)) == IERC1271.isValidSignature.selector);
        }
    }
    // 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);
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (utils/Address.sol)
    pragma solidity ^0.8.0;
    /**
     * @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
         * ====
         */
        function isContract(address account) internal view returns (bool) {
            // This method relies on extcodesize, which returns 0 for contracts in
            // construction, since the code is only stored at the end of the
            // constructor execution.
            uint256 size;
            assembly {
                size := extcodesize(account)
            }
            return size > 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);
                }
            }
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Interface of the ERC1271 standard signature validation method for
     * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
     *
     * _Available since v4.1._
     */
    interface IERC1271 {
        /**
         * @dev Should return whether the signature provided is valid for the provided data
         * @param hash      Hash of the data to be signed
         * @param signature Signature byte array associated with _data
         */
        function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
    }