ETH Price: $2,456.08 (+2.14%)

Transaction Decoder

Block:
17063312 at Apr-17-2023 01:38:23 AM +UTC
Transaction Fee:
0.004418369072990496 ETH $10.85
Gas Used:
142,018 Gas / 31.111331472 Gwei

Emitted Events:

Account State Difference:

  Address   Before After State Difference Code
0x6A911c61...B13b603fA
0.40991825059077336 Eth
Nonce: 344
0.404499881517782864 Eth
Nonce: 345
0.005418369072990496
0x9cD6A136...1E9a1408c 0.304169421649742068 Eth0.305169421649742068 Eth0.001
(Flashbots: Builder)
1.205311855606174364 Eth1.205326057406174364 Eth0.0000142018
0xFAaC3ca3...5542189E7

Execution Trace

ETH 0.001 DropERC1155.claim( )
  • ETH 0.001 DropERC1155.claim( )
    • ETH 0.001 0x9cd6a1365e70177f26a9b95800d159c1e9a1408c.CALL( )
      File 1 of 2: DropERC1155
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.11;
      /// @author thirdweb
      //   $$\\     $$\\       $$\\                 $$\\                         $$\\
      //   $$ |    $$ |      \\__|                $$ |                        $$ |
      // $$$$$$\\   $$$$$$$\\  $$\\  $$$$$$\\   $$$$$$$ |$$\\  $$\\  $$\\  $$$$$$\\  $$$$$$$\\
      // \\_$$  _|  $$  __$$\\ $$ |$$  __$$\\ $$  __$$ |$$ | $$ | $$ |$$  __$$\\ $$  __$$\\
      //   $$ |    $$ |  $$ |$$ |$$ |  \\__|$$ /  $$ |$$ | $$ | $$ |$$$$$$$$ |$$ |  $$ |
      //   $$ |$$\\ $$ |  $$ |$$ |$$ |      $$ |  $$ |$$ | $$ | $$ |$$   ____|$$ |  $$ |
      //   \\$$$$  |$$ |  $$ |$$ |$$ |      \\$$$$$$$ |\\$$$$$\\$$$$  |\\$$$$$$$\\ $$$$$$$  |
      //    \\____/ \\__|  \\__|\\__|\\__|       \\_______| \\_____\\____/  \\_______|\\_______/
      //  ==========  External imports    ==========
      import "@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";
      //  ==========  Internal imports    ==========
      import "../openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol";
      import "../lib/CurrencyTransferLib.sol";
      //  ==========  Features    ==========
      import "../extension/ContractMetadata.sol";
      import "../extension/PlatformFee.sol";
      import "../extension/Royalty.sol";
      import "../extension/PrimarySale.sol";
      import "../extension/Ownable.sol";
      import "../extension/LazyMint.sol";
      import "../extension/PermissionsEnumerable.sol";
      import "../extension/Drop1155.sol";
      // OpenSea operator filter
      import "../extension/DefaultOperatorFiltererUpgradeable.sol";
      contract DropERC1155 is
          Initializable,
          ContractMetadata,
          PlatformFee,
          Royalty,
          PrimarySale,
          Ownable,
          LazyMint,
          PermissionsEnumerable,
          Drop1155,
          ERC2771ContextUpgradeable,
          MulticallUpgradeable,
          DefaultOperatorFiltererUpgradeable,
          ERC1155Upgradeable
      {
          using StringsUpgradeable for uint256;
          /*///////////////////////////////////////////////////////////////
                                  State variables
          //////////////////////////////////////////////////////////////*/
          // Token name
          string public name;
          // Token symbol
          string public symbol;
          /// @dev Only transfers to or from TRANSFER_ROLE holders are valid, when transfers are restricted.
          bytes32 private transferRole;
          /// @dev Only MINTER_ROLE holders can sign off on `MintRequest`s and lazy mint tokens.
          bytes32 private minterRole;
          /// @dev Max bps in the thirdweb system.
          uint256 private constant MAX_BPS = 10_000;
          /*///////////////////////////////////////////////////////////////
                                      Mappings
          //////////////////////////////////////////////////////////////*/
          /// @dev Mapping from token ID => total circulating supply of tokens with that ID.
          mapping(uint256 => uint256) public totalSupply;
          /// @dev Mapping from token ID => maximum possible total circulating supply of tokens with that ID.
          mapping(uint256 => uint256) public maxTotalSupply;
          /// @dev Mapping from token ID => the address of the recipient of primary sales.
          mapping(uint256 => address) public saleRecipient;
          /*///////////////////////////////////////////////////////////////
                                     Events
          //////////////////////////////////////////////////////////////*/
          /// @dev Emitted when the global max supply of a token is updated.
          event MaxTotalSupplyUpdated(uint256 tokenId, uint256 maxTotalSupply);
          /// @dev Emitted when the sale recipient for a particular tokenId is updated.
          event SaleRecipientForTokenUpdated(uint256 indexed tokenId, address saleRecipient);
          /*///////////////////////////////////////////////////////////////
                          Constructor + initializer logic
          //////////////////////////////////////////////////////////////*/
          constructor() initializer {}
          /// @dev Initiliazes the contract, like a constructor.
          function initialize(
              address _defaultAdmin,
              string memory _name,
              string memory _symbol,
              string memory _contractURI,
              address[] memory _trustedForwarders,
              address _saleRecipient,
              address _royaltyRecipient,
              uint128 _royaltyBps,
              uint128 _platformFeeBps,
              address _platformFeeRecipient
          ) external initializer {
              bytes32 _transferRole = keccak256("TRANSFER_ROLE");
              bytes32 _minterRole = keccak256("MINTER_ROLE");
              // Initialize inherited contracts, most base-like -> most derived.
              __ERC2771Context_init(_trustedForwarders);
              __ERC1155_init_unchained("");
              __DefaultOperatorFilterer_init();
              // Initialize this contract's state.
              _setupContractURI(_contractURI);
              _setupOwner(_defaultAdmin);
              _setOperatorRestriction(true);
              _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin);
              _setupRole(_minterRole, _defaultAdmin);
              _setupRole(_transferRole, _defaultAdmin);
              _setupRole(_transferRole, address(0));
              _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);
              _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);
              _setupPrimarySaleRecipient(_saleRecipient);
              transferRole = _transferRole;
              minterRole = _minterRole;
              name = _name;
              symbol = _symbol;
          }
          /*///////////////////////////////////////////////////////////////
                              ERC 165 / 1155 / 2981 logic
          //////////////////////////////////////////////////////////////*/
          /// @dev Returns the uri for a given tokenId.
          function uri(uint256 _tokenId) public view override returns (string memory) {
              string memory batchUri = _getBaseURI(_tokenId);
              return string(abi.encodePacked(batchUri, _tokenId.toString()));
          }
          /// @dev See ERC 165
          function supportsInterface(bytes4 interfaceId)
              public
              view
              virtual
              override(ERC1155Upgradeable, IERC165)
              returns (bool)
          {
              return super.supportsInterface(interfaceId) || type(IERC2981Upgradeable).interfaceId == interfaceId;
          }
          /*///////////////////////////////////////////////////////////////
                              Contract identifiers
          //////////////////////////////////////////////////////////////*/
          function contractType() external pure returns (bytes32) {
              return bytes32("DropERC1155");
          }
          function contractVersion() external pure returns (uint8) {
              return uint8(4);
          }
          /*///////////////////////////////////////////////////////////////
                              Setter functions
          //////////////////////////////////////////////////////////////*/
          /// @dev Lets a module admin set a max total supply for token.
          function setMaxTotalSupply(uint256 _tokenId, uint256 _maxTotalSupply) external onlyRole(DEFAULT_ADMIN_ROLE) {
              maxTotalSupply[_tokenId] = _maxTotalSupply;
              emit MaxTotalSupplyUpdated(_tokenId, _maxTotalSupply);
          }
          /// @dev Lets a contract admin set the recipient for all primary sales.
          function setSaleRecipientForToken(uint256 _tokenId, address _saleRecipient) external onlyRole(DEFAULT_ADMIN_ROLE) {
              saleRecipient[_tokenId] = _saleRecipient;
              emit SaleRecipientForTokenUpdated(_tokenId, _saleRecipient);
          }
          /*///////////////////////////////////////////////////////////////
                              Internal functions
          //////////////////////////////////////////////////////////////*/
          /// @dev Runs before every `claim` function call.
          function _beforeClaim(
              uint256 _tokenId,
              address,
              uint256 _quantity,
              address,
              uint256,
              AllowlistProof calldata,
              bytes memory
          ) internal view override {
              require(
                  maxTotalSupply[_tokenId] == 0 || totalSupply[_tokenId] + _quantity <= maxTotalSupply[_tokenId],
                  "exceed max total supply"
              );
          }
          /// @dev Collects and distributes the primary sale value of NFTs being claimed.
          function collectPriceOnClaim(
              uint256 _tokenId,
              address _primarySaleRecipient,
              uint256 _quantityToClaim,
              address _currency,
              uint256 _pricePerToken
          ) internal override {
              if (_pricePerToken == 0) {
                  return;
              }
              (address platformFeeRecipient, uint16 platformFeeBps) = getPlatformFeeInfo();
              address _saleRecipient = _primarySaleRecipient == address(0)
                  ? (saleRecipient[_tokenId] == address(0) ? primarySaleRecipient() : saleRecipient[_tokenId])
                  : _primarySaleRecipient;
              uint256 totalPrice = _quantityToClaim * _pricePerToken;
              uint256 platformFees = (totalPrice * platformFeeBps) / MAX_BPS;
              if (_currency == CurrencyTransferLib.NATIVE_TOKEN) {
                  if (msg.value != totalPrice) {
                      revert("!Price");
                  }
              }
              CurrencyTransferLib.transferCurrency(_currency, _msgSender(), platformFeeRecipient, platformFees);
              CurrencyTransferLib.transferCurrency(_currency, _msgSender(), _saleRecipient, totalPrice - platformFees);
          }
          /// @dev Transfers the NFTs being claimed.
          function transferTokensOnClaim(
              address _to,
              uint256 _tokenId,
              uint256 _quantityBeingClaimed
          ) internal override {
              _mint(_to, _tokenId, _quantityBeingClaimed, "");
          }
          /// @dev Checks whether platform fee info can be set in the given execution context.
          function _canSetPlatformFeeInfo() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether primary sale recipient can be set in the given execution context.
          function _canSetPrimarySaleRecipient() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether owner can be set in the given execution context.
          function _canSetOwner() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether royalty info can be set in the given execution context.
          function _canSetRoyaltyInfo() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether contract metadata can be set in the given execution context.
          function _canSetContractURI() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether platform fee info can be set in the given execution context.
          function _canSetClaimConditions() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Returns whether lazy minting can be done in the given execution context.
          function _canLazyMint() internal view virtual override returns (bool) {
              return hasRole(minterRole, _msgSender());
          }
          /// @dev Returns whether operator restriction can be set in the given execution context.
          function _canSetOperatorRestriction() internal virtual override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /*///////////////////////////////////////////////////////////////
                              Miscellaneous
          //////////////////////////////////////////////////////////////*/
          /// @dev The tokenId of the next NFT that will be minted / lazy minted.
          function nextTokenIdToMint() external view returns (uint256) {
              return nextTokenIdToLazyMint;
          }
          /// @dev Lets a token owner burn multiple tokens they own at once (i.e. destroy for good)
          function burnBatch(
              address account,
              uint256[] memory ids,
              uint256[] memory values
          ) public virtual {
              require(
                  account == _msgSender() || isApprovedForAll(account, _msgSender()),
                  "ERC1155: caller is not owner nor approved."
              );
              _burnBatch(account, ids, values);
          }
          /**
           * @dev See {ERC1155-_beforeTokenTransfer}.
           */
          function _beforeTokenTransfer(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual override {
              super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
              // if transfer is restricted on the contract, we still want to allow burning and minting
              if (!hasRole(transferRole, address(0)) && from != address(0) && to != address(0)) {
                  require(hasRole(transferRole, from) || hasRole(transferRole, to), "restricted to TRANSFER_ROLE holders.");
              }
              if (from == address(0)) {
                  for (uint256 i = 0; i < ids.length; ++i) {
                      totalSupply[ids[i]] += amounts[i];
                  }
              }
              if (to == address(0)) {
                  for (uint256 i = 0; i < ids.length; ++i) {
                      totalSupply[ids[i]] -= amounts[i];
                  }
              }
          }
          /// @dev See {ERC1155-setApprovalForAll}
          function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {
              super.setApprovalForAll(operator, approved);
          }
          /**
           * @dev See {IERC1155-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) public override(ERC1155Upgradeable) onlyAllowedOperator(from) {
              super.safeTransferFrom(from, to, id, amount, data);
          }
          /**
           * @dev See {IERC1155-safeBatchTransferFrom}.
           */
          function safeBatchTransferFrom(
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) public override(ERC1155Upgradeable) onlyAllowedOperator(from) {
              super.safeBatchTransferFrom(from, to, ids, amounts, data);
          }
          function _dropMsgSender() internal view virtual override returns (address) {
              return _msgSender();
          }
          function _msgSender()
              internal
              view
              virtual
              override(ContextUpgradeable, ERC2771ContextUpgradeable)
              returns (address sender)
          {
              return ERC2771ContextUpgradeable._msgSender();
          }
          function _msgData()
              internal
              view
              virtual
              override(ContextUpgradeable, ERC2771ContextUpgradeable)
              returns (bytes calldata)
          {
              return ERC2771ContextUpgradeable._msgData();
          }
      }
      // 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
       * [EIP](https://eips.ethereum.org/EIPS/eip-165).
       *
       * Implementers can declare support of contract interfaces, which can then be
       * queried by others ({ERC165Checker}).
       *
       * For an implementation, see {ERC165}.
       */
      interface IERC165 {
          /**
           * @dev Returns true if this contract implements the interface defined by
           * `interfaceId`. See the corresponding
           * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
           * 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: Apache-2.0
      pragma solidity ^0.8.0;
      /**
       * @title ERC20 interface
       * @dev see https://github.com/ethereum/EIPs/issues/20
       */
      interface IERC20 {
          function totalSupply() external view returns (uint256);
          function balanceOf(address who) external view returns (uint256);
          function allowance(address owner, address spender) external view returns (uint256);
          function transfer(address to, uint256 value) external returns (bool);
          function approve(address spender, uint256 value) external returns (bool);
          function transferFrom(
              address from,
              address to,
              uint256 value
          ) external returns (bool);
          event Transfer(address indexed from, address indexed to, uint256 value);
          event Approval(address indexed owner, address indexed spender, uint256 value);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      import "./IERC165.sol";
      /**
       * @dev Interface for the NFT Royalty Standard.
       *
       * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
       * support for royalty payments across all NFT marketplaces and ecosystem participants.
       *
       * _Available since v4.5._
       */
      interface IERC2981 is IERC165 {
          /**
           * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
           * exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
           */
          function royaltyInfo(uint256 tokenId, uint256 salePrice)
              external
              view
              returns (address receiver, uint256 royaltyAmount);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  @title   Batch-mint Metadata
       *  @notice  The `BatchMintMetadata` is a contract extension for any base NFT contract. It lets the smart contract
       *           using this extension set metadata for `n` number of NFTs all at once. This is enabled by storing a single
       *           base URI for a batch of `n` NFTs, where the metadata for each NFT in a relevant batch is `baseURI/tokenId`.
       */
      contract BatchMintMetadata {
          /// @dev Largest tokenId of each batch of tokens with the same baseURI.
          uint256[] private batchIds;
          /// @dev Mapping from id of a batch of tokens => to base URI for the respective batch of tokens.
          mapping(uint256 => string) private baseURI;
          /**
           *  @notice         Returns the count of batches of NFTs.
           *  @dev            Each batch of tokens has an in ID and an associated `baseURI`.
           *                  See {batchIds}.
           */
          function getBaseURICount() public view returns (uint256) {
              return batchIds.length;
          }
          /**
           *  @notice         Returns the ID for the batch of tokens the given tokenId belongs to.
           *  @dev            See {getBaseURICount}.
           *  @param _index   ID of a token.
           */
          function getBatchIdAtIndex(uint256 _index) public view returns (uint256) {
              if (_index >= getBaseURICount()) {
                  revert("Invalid index");
              }
              return batchIds[_index];
          }
          /// @dev Returns the id for the batch of tokens the given tokenId belongs to.
          function _getBatchId(uint256 _tokenId) internal view returns (uint256 batchId, uint256 index) {
              uint256 numOfTokenBatches = getBaseURICount();
              uint256[] memory indices = batchIds;
              for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
                  if (_tokenId < indices[i]) {
                      index = i;
                      batchId = indices[i];
                      return (batchId, index);
                  }
              }
              revert("Invalid tokenId");
          }
          /// @dev Returns the baseURI for a token. The intended metadata URI for the token is baseURI + tokenId.
          function _getBaseURI(uint256 _tokenId) internal view returns (string memory) {
              uint256 numOfTokenBatches = getBaseURICount();
              uint256[] memory indices = batchIds;
              for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
                  if (_tokenId < indices[i]) {
                      return baseURI[indices[i]];
                  }
              }
              revert("Invalid tokenId");
          }
          /// @dev Sets the base URI for the batch of tokens with the given batchId.
          function _setBaseURI(uint256 _batchId, string memory _baseURI) internal {
              baseURI[_batchId] = _baseURI;
          }
          /// @dev Mints a batch of tokenIds and associates a common baseURI to all those Ids.
          function _batchMintMetadata(
              uint256 _startId,
              uint256 _amountToMint,
              string memory _baseURIForTokens
          ) internal returns (uint256 nextTokenIdToMint, uint256 batchId) {
              batchId = _startId + _amountToMint;
              nextTokenIdToMint = batchId;
              batchIds.push(batchId);
              baseURI[batchId] = _baseURIForTokens;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IContractMetadata.sol";
      /**
       *  @title   Contract Metadata
       *  @notice  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
       *           for you contract.
       *           Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
       */
      abstract contract ContractMetadata is IContractMetadata {
          /// @notice Returns the contract metadata URI.
          string public override contractURI;
          /**
           *  @notice         Lets a contract admin set the URI for contract-level metadata.
           *  @dev            Caller should be authorized to setup contractURI, e.g. contract admin.
           *                  See {_canSetContractURI}.
           *                  Emits {ContractURIUpdated Event}.
           *
           *  @param _uri     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           */
          function setContractURI(string memory _uri) external override {
              if (!_canSetContractURI()) {
                  revert("Not authorized");
              }
              _setupContractURI(_uri);
          }
          /// @dev Lets a contract admin set the URI for contract-level metadata.
          function _setupContractURI(string memory _uri) internal {
              string memory prevURI = contractURI;
              contractURI = _uri;
              emit ContractURIUpdated(prevURI, _uri);
          }
          /// @dev Returns whether contract metadata can be set in the given execution context.
          function _canSetContractURI() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import { OperatorFiltererUpgradeable } from "./OperatorFiltererUpgradeable.sol";
      abstract contract DefaultOperatorFiltererUpgradeable is OperatorFiltererUpgradeable {
          address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);
          function __DefaultOperatorFilterer_init() internal {
              OperatorFiltererUpgradeable.__OperatorFilterer_init(DEFAULT_SUBSCRIPTION, true);
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IDrop1155.sol";
      import "../lib/MerkleProof.sol";
      abstract contract Drop1155 is IDrop1155 {
          /*///////////////////////////////////////////////////////////////
                                  State variables
          //////////////////////////////////////////////////////////////*/
          /// @dev Mapping from token ID => the set of all claim conditions, at any given moment, for tokens of the token ID.
          mapping(uint256 => ClaimConditionList) public claimCondition;
          /*///////////////////////////////////////////////////////////////
                                  Drop logic
          //////////////////////////////////////////////////////////////*/
          /// @dev Lets an account claim tokens.
          function claim(
              address _receiver,
              uint256 _tokenId,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof,
              bytes memory _data
          ) public payable virtual override {
              _beforeClaim(_tokenId, _receiver, _quantity, _currency, _pricePerToken, _allowlistProof, _data);
              uint256 activeConditionId = getActiveClaimConditionId(_tokenId);
              verifyClaim(
                  activeConditionId,
                  _dropMsgSender(),
                  _tokenId,
                  _quantity,
                  _currency,
                  _pricePerToken,
                  _allowlistProof
              );
              // Update contract state.
              claimCondition[_tokenId].conditions[activeConditionId].supplyClaimed += _quantity;
              claimCondition[_tokenId].supplyClaimedByWallet[activeConditionId][_dropMsgSender()] += _quantity;
              // If there's a price, collect price.
              collectPriceOnClaim(_tokenId, address(0), _quantity, _currency, _pricePerToken);
              // Mint the relevant NFTs to claimer.
              transferTokensOnClaim(_receiver, _tokenId, _quantity);
              emit TokensClaimed(activeConditionId, _dropMsgSender(), _receiver, _tokenId, _quantity);
              _afterClaim(_tokenId, _receiver, _quantity, _currency, _pricePerToken, _allowlistProof, _data);
          }
          /// @dev Lets a contract admin set claim conditions.
          function setClaimConditions(
              uint256 _tokenId,
              ClaimCondition[] calldata _conditions,
              bool _resetClaimEligibility
          ) external virtual override {
              if (!_canSetClaimConditions()) {
                  revert("Not authorized");
              }
              ClaimConditionList storage conditionList = claimCondition[_tokenId];
              uint256 existingStartIndex = conditionList.currentStartId;
              uint256 existingPhaseCount = conditionList.count;
              /**
               *  The mapping `supplyClaimedByWallet` uses a claim condition's UID as a key.
               *
               *  If `_resetClaimEligibility == true`, we assign completely new UIDs to the claim
               *  conditions in `_conditions`, effectively resetting the restrictions on claims expressed
               *  by `supplyClaimedByWallet`.
               */
              uint256 newStartIndex = existingStartIndex;
              if (_resetClaimEligibility) {
                  newStartIndex = existingStartIndex + existingPhaseCount;
              }
              conditionList.count = _conditions.length;
              conditionList.currentStartId = newStartIndex;
              uint256 lastConditionStartTimestamp;
              for (uint256 i = 0; i < _conditions.length; i++) {
                  require(i == 0 || lastConditionStartTimestamp < _conditions[i].startTimestamp, "ST");
                  uint256 supplyClaimedAlready = conditionList.conditions[newStartIndex + i].supplyClaimed;
                  if (supplyClaimedAlready > _conditions[i].maxClaimableSupply) {
                      revert("max supply claimed");
                  }
                  conditionList.conditions[newStartIndex + i] = _conditions[i];
                  conditionList.conditions[newStartIndex + i].supplyClaimed = supplyClaimedAlready;
                  lastConditionStartTimestamp = _conditions[i].startTimestamp;
              }
              /**
               *  Gas refunds (as much as possible)
               *
               *  If `_resetClaimEligibility == true`, we assign completely new UIDs to the claim
               *  conditions in `_conditions`. So, we delete claim conditions with UID < `newStartIndex`.
               *
               *  If `_resetClaimEligibility == false`, and there are more existing claim conditions
               *  than in `_conditions`, we delete the existing claim conditions that don't get replaced
               *  by the conditions in `_conditions`.
               */
              if (_resetClaimEligibility) {
                  for (uint256 i = existingStartIndex; i < newStartIndex; i++) {
                      delete conditionList.conditions[i];
                  }
              } else {
                  if (existingPhaseCount > _conditions.length) {
                      for (uint256 i = _conditions.length; i < existingPhaseCount; i++) {
                          delete conditionList.conditions[newStartIndex + i];
                      }
                  }
              }
              emit ClaimConditionsUpdated(_tokenId, _conditions, _resetClaimEligibility);
          }
          /// @dev Checks a request to claim NFTs against the active claim condition's criteria.
          function verifyClaim(
              uint256 _conditionId,
              address _claimer,
              uint256 _tokenId,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof
          ) public view returns (bool isOverride) {
              ClaimCondition memory currentClaimPhase = claimCondition[_tokenId].conditions[_conditionId];
              uint256 claimLimit = currentClaimPhase.quantityLimitPerWallet;
              uint256 claimPrice = currentClaimPhase.pricePerToken;
              address claimCurrency = currentClaimPhase.currency;
              if (currentClaimPhase.merkleRoot != bytes32(0)) {
                  (isOverride, ) = MerkleProof.verify(
                      _allowlistProof.proof,
                      currentClaimPhase.merkleRoot,
                      keccak256(
                          abi.encodePacked(
                              _claimer,
                              _allowlistProof.quantityLimitPerWallet,
                              _allowlistProof.pricePerToken,
                              _allowlistProof.currency
                          )
                      )
                  );
              }
              if (isOverride) {
                  claimLimit = _allowlistProof.quantityLimitPerWallet != 0
                      ? _allowlistProof.quantityLimitPerWallet
                      : claimLimit;
                  claimPrice = _allowlistProof.pricePerToken != type(uint256).max
                      ? _allowlistProof.pricePerToken
                      : claimPrice;
                  claimCurrency = _allowlistProof.pricePerToken != type(uint256).max && _allowlistProof.currency != address(0)
                      ? _allowlistProof.currency
                      : claimCurrency;
              }
              uint256 supplyClaimedByWallet = claimCondition[_tokenId].supplyClaimedByWallet[_conditionId][_claimer];
              if (_currency != claimCurrency || _pricePerToken != claimPrice) {
                  revert("!PriceOrCurrency");
              }
              if (_quantity == 0 || (_quantity + supplyClaimedByWallet > claimLimit)) {
                  revert("!Qty");
              }
              if (currentClaimPhase.supplyClaimed + _quantity > currentClaimPhase.maxClaimableSupply) {
                  revert("!MaxSupply");
              }
              if (currentClaimPhase.startTimestamp > block.timestamp) {
                  revert("cant claim yet");
              }
          }
          /// @dev At any given moment, returns the uid for the active claim condition.
          function getActiveClaimConditionId(uint256 _tokenId) public view returns (uint256) {
              ClaimConditionList storage conditionList = claimCondition[_tokenId];
              for (uint256 i = conditionList.currentStartId + conditionList.count; i > conditionList.currentStartId; i--) {
                  if (block.timestamp >= conditionList.conditions[i - 1].startTimestamp) {
                      return i - 1;
                  }
              }
              revert("!CONDITION.");
          }
          /// @dev Returns the claim condition at the given uid.
          function getClaimConditionById(uint256 _tokenId, uint256 _conditionId)
              external
              view
              returns (ClaimCondition memory condition)
          {
              condition = claimCondition[_tokenId].conditions[_conditionId];
          }
          /// @dev Returns the supply claimed by claimer for a given conditionId.
          function getSupplyClaimedByWallet(
              uint256 _tokenId,
              uint256 _conditionId,
              address _claimer
          ) public view returns (uint256 supplyClaimedByWallet) {
              supplyClaimedByWallet = claimCondition[_tokenId].supplyClaimedByWallet[_conditionId][_claimer];
          }
          /*////////////////////////////////////////////////////////////////////
              Optional hooks that can be implemented in the derived contract
          ///////////////////////////////////////////////////////////////////*/
          /// @dev Exposes the ability to override the msg sender.
          function _dropMsgSender() internal virtual returns (address) {
              return msg.sender;
          }
          /// @dev Runs before every `claim` function call.
          function _beforeClaim(
              uint256 _tokenId,
              address _receiver,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof,
              bytes memory _data
          ) internal virtual {}
          /// @dev Runs after every `claim` function call.
          function _afterClaim(
              uint256 _tokenId,
              address _receiver,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof,
              bytes memory _data
          ) internal virtual {}
          /*///////////////////////////////////////////////////////////////
              Virtual functions: to be implemented in derived contract
          //////////////////////////////////////////////////////////////*/
          /// @dev Collects and distributes the primary sale value of NFTs being claimed.
          function collectPriceOnClaim(
              uint256 _tokenId,
              address _primarySaleRecipient,
              uint256 _quantityToClaim,
              address _currency,
              uint256 _pricePerToken
          ) internal virtual;
          /// @dev Transfers the NFTs being claimed.
          function transferTokensOnClaim(
              address _to,
              uint256 _tokenId,
              uint256 _quantityBeingClaimed
          ) internal virtual;
          /// @dev Determine what wallet can update claim conditions
          function _canSetClaimConditions() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/ILazyMint.sol";
      import "./BatchMintMetadata.sol";
      /**
       *  The `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs
       *  at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually
       *  minting a non-zero balance of NFTs of those tokenIds.
       */
      abstract contract LazyMint is ILazyMint, BatchMintMetadata {
          /// @notice The tokenId assigned to the next new NFT to be lazy minted.
          uint256 internal nextTokenIdToLazyMint;
          /**
           *  @notice                  Lets an authorized address lazy mint a given amount of NFTs.
           *
           *  @param _amount           The number of NFTs to lazy mint.
           *  @param _baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each
           *                           of those NFTs is `${baseURIForTokens}/${tokenId}`.
           *  @param _data             Additional bytes data to be used at the discretion of the consumer of the contract.
           *  @return batchId          A unique integer identifier for the batch of NFTs lazy minted together.
           */
          function lazyMint(
              uint256 _amount,
              string calldata _baseURIForTokens,
              bytes calldata _data
          ) public virtual override returns (uint256 batchId) {
              if (!_canLazyMint()) {
                  revert("Not authorized");
              }
              if (_amount == 0) {
                  revert("0 amt");
              }
              uint256 startId = nextTokenIdToLazyMint;
              (nextTokenIdToLazyMint, batchId) = _batchMintMetadata(startId, _amount, _baseURIForTokens);
              emit TokensLazyMinted(startId, startId + _amount - 1, _baseURIForTokens, _data);
              return batchId;
          }
          /// @dev Returns whether lazy minting can be performed in the given execution context.
          function _canLazyMint() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IOperatorFilterToggle.sol";
      abstract contract OperatorFilterToggle is IOperatorFilterToggle {
          bool public operatorRestriction;
          function setOperatorRestriction(bool _restriction) external {
              require(_canSetOperatorRestriction(), "Not authorized to set operator restriction.");
              _setOperatorRestriction(_restriction);
          }
          function _setOperatorRestriction(bool _restriction) internal {
              operatorRestriction = _restriction;
              emit OperatorRestriction(_restriction);
          }
          function _canSetOperatorRestriction() internal virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IOperatorFilterRegistry.sol";
      import "./OperatorFilterToggle.sol";
      abstract contract OperatorFiltererUpgradeable is OperatorFilterToggle {
          error OperatorNotAllowed(address operator);
          IOperatorFilterRegistry constant OPERATOR_FILTER_REGISTRY =
              IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
          function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe) internal {
              // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
              // will not revert, but the contract will need to be registered with the registry once it is deployed in
              // order for the modifier to filter addresses.
              if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                  if (!OPERATOR_FILTER_REGISTRY.isRegistered(address(this))) {
                      if (subscribe) {
                          OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
                      } else {
                          if (subscriptionOrRegistrantToCopy != address(0)) {
                              OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                          } else {
                              OPERATOR_FILTER_REGISTRY.register(address(this));
                          }
                      }
                  }
              }
          }
          modifier onlyAllowedOperator(address from) virtual {
              // Check registry code length to facilitate testing in environments without a deployed registry.
              if (operatorRestriction) {
                  if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                      // Allow spending tokens from addresses with balance
                      // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
                      // from an EOA.
                      if (from == msg.sender) {
                          _;
                          return;
                      }
                      if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), msg.sender)) {
                          revert OperatorNotAllowed(msg.sender);
                      }
                  }
              }
              _;
          }
          modifier onlyAllowedOperatorApproval(address operator) virtual {
              // Check registry code length to facilitate testing in environments without a deployed registry.
              if (operatorRestriction) {
                  if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                      if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                          revert OperatorNotAllowed(operator);
                      }
                  }
              }
              _;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IOwnable.sol";
      /**
       *  @title   Ownable
       *  @notice  Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
       *           information about who the contract's owner is.
       */
      abstract contract Ownable is IOwnable {
          /// @dev Owner of the contract (purpose: OpenSea compatibility)
          address private _owner;
          /// @dev Reverts if caller is not the owner.
          modifier onlyOwner() {
              if (msg.sender != _owner) {
                  revert("Not authorized");
              }
              _;
          }
          /**
           *  @notice Returns the owner of the contract.
           */
          function owner() public view override returns (address) {
              return _owner;
          }
          /**
           *  @notice Lets an authorized wallet set a new owner for the contract.
           *  @param _newOwner The address to set as the new owner of the contract.
           */
          function setOwner(address _newOwner) external override {
              if (!_canSetOwner()) {
                  revert("Not authorized");
              }
              _setupOwner(_newOwner);
          }
          /// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin.
          function _setupOwner(address _newOwner) internal {
              address _prevOwner = _owner;
              _owner = _newOwner;
              emit OwnerUpdated(_prevOwner, _newOwner);
          }
          /// @dev Returns whether owner can be set in the given execution context.
          function _canSetOwner() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPermissions.sol";
      import "../lib/TWStrings.sol";
      /**
       *  @title   Permissions
       *  @dev     This contracts provides extending-contracts with role-based access control mechanisms
       */
      contract Permissions is IPermissions {
          /// @dev Map from keccak256 hash of a role => a map from address => whether address has role.
          mapping(bytes32 => mapping(address => bool)) private _hasRole;
          /// @dev Map from keccak256 hash of a role to role admin. See {getRoleAdmin}.
          mapping(bytes32 => bytes32) private _getRoleAdmin;
          /// @dev Default admin role for all roles. Only accounts with this role can grant/revoke other roles.
          bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
          /// @dev Modifier that checks if an account has the specified role; reverts otherwise.
          modifier onlyRole(bytes32 role) {
              _checkRole(role, msg.sender);
              _;
          }
          /**
           *  @notice         Checks whether an account has a particular role.
           *  @dev            Returns `true` if `account` has been granted `role`.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account for which the role is being checked.
           */
          function hasRole(bytes32 role, address account) public view override returns (bool) {
              return _hasRole[role][account];
          }
          /**
           *  @notice         Checks whether an account has a particular role;
           *                  role restrictions can be swtiched on and off.
           *
           *  @dev            Returns `true` if `account` has been granted `role`.
           *                  Role restrictions can be swtiched on and off:
           *                      - If address(0) has ROLE, then the ROLE restrictions
           *                        don't apply.
           *                      - If address(0) does not have ROLE, then the ROLE
           *                        restrictions will apply.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account for which the role is being checked.
           */
          function hasRoleWithSwitch(bytes32 role, address account) public view returns (bool) {
              if (!_hasRole[role][address(0)]) {
                  return _hasRole[role][account];
              }
              return true;
          }
          /**
           *  @notice         Returns the admin role that controls the specified role.
           *  @dev            See {grantRole} and {revokeRole}.
           *                  To change a role's admin, use {_setRoleAdmin}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           */
          function getRoleAdmin(bytes32 role) external view override returns (bytes32) {
              return _getRoleAdmin[role];
          }
          /**
           *  @notice         Grants a role to an account, if not previously granted.
           *  @dev            Caller must have admin role for the `role`.
           *                  Emits {RoleGranted Event}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account to which the role is being granted.
           */
          function grantRole(bytes32 role, address account) public virtual override {
              _checkRole(_getRoleAdmin[role], msg.sender);
              if (_hasRole[role][account]) {
                  revert("Can only grant to non holders");
              }
              _setupRole(role, account);
          }
          /**
           *  @notice         Revokes role from an account.
           *  @dev            Caller must have admin role for the `role`.
           *                  Emits {RoleRevoked Event}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account from which the role is being revoked.
           */
          function revokeRole(bytes32 role, address account) public virtual override {
              _checkRole(_getRoleAdmin[role], msg.sender);
              _revokeRole(role, account);
          }
          /**
           *  @notice         Revokes role from the account.
           *  @dev            Caller must have the `role`, with caller being the same as `account`.
           *                  Emits {RoleRevoked Event}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account from which the role is being revoked.
           */
          function renounceRole(bytes32 role, address account) public virtual override {
              if (msg.sender != account) {
                  revert("Can only renounce for self");
              }
              _revokeRole(role, account);
          }
          /// @dev Sets `adminRole` as `role`'s admin role.
          function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
              bytes32 previousAdminRole = _getRoleAdmin[role];
              _getRoleAdmin[role] = adminRole;
              emit RoleAdminChanged(role, previousAdminRole, adminRole);
          }
          /// @dev Sets up `role` for `account`
          function _setupRole(bytes32 role, address account) internal virtual {
              _hasRole[role][account] = true;
              emit RoleGranted(role, account, msg.sender);
          }
          /// @dev Revokes `role` from `account`
          function _revokeRole(bytes32 role, address account) internal virtual {
              _checkRole(role, account);
              delete _hasRole[role][account];
              emit RoleRevoked(role, account, msg.sender);
          }
          /// @dev Checks `role` for `account`. Reverts with a message including the required role.
          function _checkRole(bytes32 role, address account) internal view virtual {
              if (!_hasRole[role][account]) {
                  revert(
                      string(
                          abi.encodePacked(
                              "Permissions: account ",
                              TWStrings.toHexString(uint160(account), 20),
                              " is missing role ",
                              TWStrings.toHexString(uint256(role), 32)
                          )
                      )
                  );
              }
          }
          /// @dev Checks `role` for `account`. Reverts with a message including the required role.
          function _checkRoleWithSwitch(bytes32 role, address account) internal view virtual {
              if (!hasRoleWithSwitch(role, account)) {
                  revert(
                      string(
                          abi.encodePacked(
                              "Permissions: account ",
                              TWStrings.toHexString(uint160(account), 20),
                              " is missing role ",
                              TWStrings.toHexString(uint256(role), 32)
                          )
                      )
                  );
              }
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPermissionsEnumerable.sol";
      import "./Permissions.sol";
      /**
       *  @title   PermissionsEnumerable
       *  @dev     This contracts provides extending-contracts with role-based access control mechanisms.
       *           Also provides interfaces to view all members with a given role, and total count of members.
       */
      contract PermissionsEnumerable is IPermissionsEnumerable, Permissions {
          /**
           *  @notice A data structure to store data of members for a given role.
           *
           *  @param index    Current index in the list of accounts that have a role.
           *  @param members  map from index => address of account that has a role
           *  @param indexOf  map from address => index which the account has.
           */
          struct RoleMembers {
              uint256 index;
              mapping(uint256 => address) members;
              mapping(address => uint256) indexOf;
          }
          /// @dev map from keccak256 hash of a role to its members' data. See {RoleMembers}.
          mapping(bytes32 => RoleMembers) private roleMembers;
          /**
           *  @notice         Returns the role-member from a list of members for a role,
           *                  at a given index.
           *  @dev            Returns `member` who has `role`, at `index` of role-members list.
           *                  See struct {RoleMembers}, and mapping {roleMembers}
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param index    Index in list of current members for the role.
           *
           *  @return member  Address of account that has `role`
           */
          function getRoleMember(bytes32 role, uint256 index) external view override returns (address member) {
              uint256 currentIndex = roleMembers[role].index;
              uint256 check;
              for (uint256 i = 0; i < currentIndex; i += 1) {
                  if (roleMembers[role].members[i] != address(0)) {
                      if (check == index) {
                          member = roleMembers[role].members[i];
                          return member;
                      }
                      check += 1;
                  } else if (hasRole(role, address(0)) && i == roleMembers[role].indexOf[address(0)]) {
                      check += 1;
                  }
              }
          }
          /**
           *  @notice         Returns total number of accounts that have a role.
           *  @dev            Returns `count` of accounts that have `role`.
           *                  See struct {RoleMembers}, and mapping {roleMembers}
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *
           *  @return count   Total number of accounts that have `role`
           */
          function getRoleMemberCount(bytes32 role) external view override returns (uint256 count) {
              uint256 currentIndex = roleMembers[role].index;
              for (uint256 i = 0; i < currentIndex; i += 1) {
                  if (roleMembers[role].members[i] != address(0)) {
                      count += 1;
                  }
              }
              if (hasRole(role, address(0))) {
                  count += 1;
              }
          }
          /// @dev Revokes `role` from `account`, and removes `account` from {roleMembers}
          ///      See {_removeMember}
          function _revokeRole(bytes32 role, address account) internal override {
              super._revokeRole(role, account);
              _removeMember(role, account);
          }
          /// @dev Grants `role` to `account`, and adds `account` to {roleMembers}
          ///      See {_addMember}
          function _setupRole(bytes32 role, address account) internal override {
              super._setupRole(role, account);
              _addMember(role, account);
          }
          /// @dev adds `account` to {roleMembers}, for `role`
          function _addMember(bytes32 role, address account) internal {
              uint256 idx = roleMembers[role].index;
              roleMembers[role].index += 1;
              roleMembers[role].members[idx] = account;
              roleMembers[role].indexOf[account] = idx;
          }
          /// @dev removes `account` from {roleMembers}, for `role`
          function _removeMember(bytes32 role, address account) internal {
              uint256 idx = roleMembers[role].indexOf[account];
              delete roleMembers[role].members[idx];
              delete roleMembers[role].indexOf[account];
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPlatformFee.sol";
      /**
       *  @title   Platform Fee
       *  @notice  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
       *           that uses information about platform fees, if desired.
       */
      abstract contract PlatformFee is IPlatformFee {
          /// @dev The address that receives all platform fees from all sales.
          address private platformFeeRecipient;
          /// @dev The % of primary sales collected as platform fees.
          uint16 private platformFeeBps;
          /// @dev Returns the platform fee recipient and bps.
          function getPlatformFeeInfo() public view override returns (address, uint16) {
              return (platformFeeRecipient, uint16(platformFeeBps));
          }
          /**
           *  @notice         Updates the platform fee recipient and bps.
           *  @dev            Caller should be authorized to set platform fee info.
           *                  See {_canSetPlatformFeeInfo}.
           *                  Emits {PlatformFeeInfoUpdated Event}; See {_setupPlatformFeeInfo}.
           *
           *  @param _platformFeeRecipient   Address to be set as new platformFeeRecipient.
           *  @param _platformFeeBps         Updated platformFeeBps.
           */
          function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external override {
              if (!_canSetPlatformFeeInfo()) {
                  revert("Not authorized");
              }
              _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);
          }
          /// @dev Lets a contract admin update the platform fee recipient and bps
          function _setupPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) internal {
              if (_platformFeeBps > 10_000) {
                  revert("Exceeds max bps");
              }
              platformFeeBps = uint16(_platformFeeBps);
              platformFeeRecipient = _platformFeeRecipient;
              emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps);
          }
          /// @dev Returns whether platform fee info can be set in the given execution context.
          function _canSetPlatformFeeInfo() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPrimarySale.sol";
      /**
       *  @title   Primary Sale
       *  @notice  Thirdweb's `PrimarySale` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about
       *           primary sales, if desired.
       */
      abstract contract PrimarySale is IPrimarySale {
          /// @dev The address that receives all primary sales value.
          address private recipient;
          /// @dev Returns primary sale recipient address.
          function primarySaleRecipient() public view override returns (address) {
              return recipient;
          }
          /**
           *  @notice         Updates primary sale recipient.
           *  @dev            Caller should be authorized to set primary sales info.
           *                  See {_canSetPrimarySaleRecipient}.
           *                  Emits {PrimarySaleRecipientUpdated Event}; See {_setupPrimarySaleRecipient}.
           *
           *  @param _saleRecipient   Address to be set as new recipient of primary sales.
           */
          function setPrimarySaleRecipient(address _saleRecipient) external override {
              if (!_canSetPrimarySaleRecipient()) {
                  revert("Not authorized");
              }
              _setupPrimarySaleRecipient(_saleRecipient);
          }
          /// @dev Lets a contract admin set the recipient for all primary sales.
          function _setupPrimarySaleRecipient(address _saleRecipient) internal {
              recipient = _saleRecipient;
              emit PrimarySaleRecipientUpdated(_saleRecipient);
          }
          /// @dev Returns whether primary sale recipient can be set in the given execution context.
          function _canSetPrimarySaleRecipient() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IRoyalty.sol";
      /**
       *  @title   Royalty
       *  @notice  Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic
       *           that uses information about royalty fees, if desired.
       *
       *  @dev     The `Royalty` contract is ERC2981 compliant.
       */
      abstract contract Royalty is IRoyalty {
          /// @dev The (default) address that receives all royalty value.
          address private royaltyRecipient;
          /// @dev The (default) % of a sale to take as royalty (in basis points).
          uint16 private royaltyBps;
          /// @dev Token ID => royalty recipient and bps for token
          mapping(uint256 => RoyaltyInfo) private royaltyInfoForToken;
          /**
           *  @notice   View royalty info for a given token and sale price.
           *  @dev      Returns royalty amount and recipient for `tokenId` and `salePrice`.
           *  @param tokenId          The tokenID of the NFT for which to query royalty info.
           *  @param salePrice        Sale price of the token.
           *
           *  @return receiver        Address of royalty recipient account.
           *  @return royaltyAmount   Royalty amount calculated at current royaltyBps value.
           */
          function royaltyInfo(uint256 tokenId, uint256 salePrice)
              external
              view
              virtual
              override
              returns (address receiver, uint256 royaltyAmount)
          {
              (address recipient, uint256 bps) = getRoyaltyInfoForToken(tokenId);
              receiver = recipient;
              royaltyAmount = (salePrice * bps) / 10_000;
          }
          /**
           *  @notice          View royalty info for a given token.
           *  @dev             Returns royalty recipient and bps for `_tokenId`.
           *  @param _tokenId  The tokenID of the NFT for which to query royalty info.
           */
          function getRoyaltyInfoForToken(uint256 _tokenId) public view override returns (address, uint16) {
              RoyaltyInfo memory royaltyForToken = royaltyInfoForToken[_tokenId];
              return
                  royaltyForToken.recipient == address(0)
                      ? (royaltyRecipient, uint16(royaltyBps))
                      : (royaltyForToken.recipient, uint16(royaltyForToken.bps));
          }
          /**
           *  @notice Returns the defualt royalty recipient and BPS for this contract's NFTs.
           */
          function getDefaultRoyaltyInfo() external view override returns (address, uint16) {
              return (royaltyRecipient, uint16(royaltyBps));
          }
          /**
           *  @notice         Updates default royalty recipient and bps.
           *  @dev            Caller should be authorized to set royalty info.
           *                  See {_canSetRoyaltyInfo}.
           *                  Emits {DefaultRoyalty Event}; See {_setupDefaultRoyaltyInfo}.
           *
           *  @param _royaltyRecipient   Address to be set as default royalty recipient.
           *  @param _royaltyBps         Updated royalty bps.
           */
          function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external override {
              if (!_canSetRoyaltyInfo()) {
                  revert("Not authorized");
              }
              _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);
          }
          /// @dev Lets a contract admin update the default royalty recipient and bps.
          function _setupDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) internal {
              if (_royaltyBps > 10_000) {
                  revert("Exceeds max bps");
              }
              royaltyRecipient = _royaltyRecipient;
              royaltyBps = uint16(_royaltyBps);
              emit DefaultRoyalty(_royaltyRecipient, _royaltyBps);
          }
          /**
           *  @notice         Updates default royalty recipient and bps for a particular token.
           *  @dev            Sets royalty info for `_tokenId`. Caller should be authorized to set royalty info.
           *                  See {_canSetRoyaltyInfo}.
           *                  Emits {RoyaltyForToken Event}; See {_setupRoyaltyInfoForToken}.
           *
           *  @param _recipient   Address to be set as royalty recipient for given token Id.
           *  @param _bps         Updated royalty bps for the token Id.
           */
          function setRoyaltyInfoForToken(
              uint256 _tokenId,
              address _recipient,
              uint256 _bps
          ) external override {
              if (!_canSetRoyaltyInfo()) {
                  revert("Not authorized");
              }
              _setupRoyaltyInfoForToken(_tokenId, _recipient, _bps);
          }
          /// @dev Lets a contract admin set the royalty recipient and bps for a particular token Id.
          function _setupRoyaltyInfoForToken(
              uint256 _tokenId,
              address _recipient,
              uint256 _bps
          ) internal {
              if (_bps > 10_000) {
                  revert("Exceeds max bps");
              }
              royaltyInfoForToken[_tokenId] = RoyaltyInfo({ recipient: _recipient, bps: _bps });
              emit RoyaltyForToken(_tokenId, _recipient, _bps);
          }
          /// @dev Returns whether royalty info can be set in the given execution context.
          function _canSetRoyaltyInfo() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  The interface `IClaimCondition` is written for thirdweb's 'Drop' contracts, which are distribution mechanisms for tokens.
       *
       *  A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten
       *  or added to by the contract admin. At any moment, there is only one active claim condition.
       */
      interface IClaimCondition {
          /**
           *  @notice The criteria that make up a claim condition.
           *
           *  @param startTimestamp                 The unix timestamp after which the claim condition applies.
           *                                        The same claim condition applies until the `startTimestamp`
           *                                        of the next claim condition.
           *
           *  @param maxClaimableSupply             The maximum total number of tokens that can be claimed under
           *                                        the claim condition.
           *
           *  @param supplyClaimed                  At any given point, the number of tokens that have been claimed
           *                                        under the claim condition.
           *
           *  @param quantityLimitPerWallet         The maximum number of tokens that can be claimed by a wallet.
           *
           *  @param merkleRoot                     The allowlist of addresses that can claim tokens under the claim
           *                                        condition.
           *
           *  @param pricePerToken                  The price required to pay per token claimed.
           *
           *  @param currency                       The currency in which the `pricePerToken` must be paid.
           *
           *  @param metadata                       Claim condition metadata.
           */
          struct ClaimCondition {
              uint256 startTimestamp;
              uint256 maxClaimableSupply;
              uint256 supplyClaimed;
              uint256 quantityLimitPerWallet;
              bytes32 merkleRoot;
              uint256 pricePerToken;
              address currency;
              string metadata;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./IClaimCondition.sol";
      /**
       *  The interface `IClaimConditionMultiPhase` is written for thirdweb's 'Drop' contracts, which are distribution mechanisms for tokens.
       *
       *  An authorized wallet can set a series of claim conditions, ordered by their respective `startTimestamp`.
       *  A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten
       *  or added to by the contract admin. At any moment, there is only one active claim condition.
       */
      interface IClaimConditionMultiPhase is IClaimCondition {
          /**
           *  @notice The set of all claim conditions, at any given moment.
           *  Claim Phase ID = [currentStartId, currentStartId + length - 1];
           *
           *  @param currentStartId           The uid for the first claim condition amongst the current set of
           *                                  claim conditions. The uid for each next claim condition is one
           *                                  more than the previous claim condition's uid.
           *
           *  @param count                    The total number of phases / claim conditions in the list
           *                                  of claim conditions.
           *
           *  @param conditions                   The claim conditions at a given uid. Claim conditions
           *                                  are ordered in an ascending order by their `startTimestamp`.
           *
           *  @param supplyClaimedByWallet    Map from a claim condition uid and account to supply claimed by account.
           */
          struct ClaimConditionList {
              uint256 currentStartId;
              uint256 count;
              mapping(uint256 => ClaimCondition) conditions;
              mapping(uint256 => mapping(address => uint256)) supplyClaimedByWallet;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
       *  for you contract.
       *
       *  Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
       */
      interface IContractMetadata {
          /// @dev Returns the metadata URI of the contract.
          function contractURI() external view returns (string memory);
          /**
           *  @dev Sets contract URI for the storefront-level metadata of the contract.
           *       Only module admin can call this function.
           */
          function setContractURI(string calldata _uri) external;
          /// @dev Emitted when the contract URI is updated.
          event ContractURIUpdated(string prevURI, string newURI);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./IClaimConditionMultiPhase.sol";
      /**
       *  The interface `IDrop1155` is written for thirdweb's 'Drop' contracts, which are distribution mechanisms for tokens.
       *
       *  An authorized wallet can set a series of claim conditions, ordered by their respective `startTimestamp`.
       *  A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten
       *  or added to by the contract admin. At any moment, there is only one active claim condition.
       */
      interface IDrop1155 is IClaimConditionMultiPhase {
          /**
           *  @param proof Prood of concerned wallet's inclusion in an allowlist.
           *  @param quantityLimitPerWallet The total quantity of tokens the allowlisted wallet is eligible to claim over time.
           *  @param pricePerToken The price per token the allowlisted wallet must pay to claim tokens.
           *  @param currency The currency in which the allowlisted wallet must pay the price for claiming tokens.
           */
          struct AllowlistProof {
              bytes32[] proof;
              uint256 quantityLimitPerWallet;
              uint256 pricePerToken;
              address currency;
          }
          /// @notice Emitted when tokens are claimed.
          event TokensClaimed(
              uint256 indexed claimConditionIndex,
              address indexed claimer,
              address indexed receiver,
              uint256 tokenId,
              uint256 quantityClaimed
          );
          /// @notice Emitted when the contract's claim conditions are updated.
          event ClaimConditionsUpdated(uint256 indexed tokenId, ClaimCondition[] claimConditions, bool resetEligibility);
          /**
           *  @notice Lets an account claim a given quantity of NFTs.
           *
           *  @param receiver                       The receiver of the NFTs to claim.
           *  @param tokenId                        The tokenId of the NFT to claim.
           *  @param quantity                       The quantity of NFTs to claim.
           *  @param currency                       The currency in which to pay for the claim.
           *  @param pricePerToken                  The price per token to pay for the claim.
           *  @param allowlistProof                 The proof of the claimer's inclusion in the merkle root allowlist
           *                                        of the claim conditions that apply.
           *  @param data                           Arbitrary bytes data that can be leveraged in the implementation of this interface.
           */
          function claim(
              address receiver,
              uint256 tokenId,
              uint256 quantity,
              address currency,
              uint256 pricePerToken,
              AllowlistProof calldata allowlistProof,
              bytes memory data
          ) external payable;
          /**
           *  @notice Lets a contract admin (account with `DEFAULT_ADMIN_ROLE`) set claim conditions.
           *
           *  @param tokenId                  The token ID for which to set mint conditions.
           *  @param phases                   Claim conditions in ascending order by `startTimestamp`.
           *
           *  @param resetClaimEligibility    Whether to honor the restrictions applied to wallets who have claimed tokens in the current conditions,
           *                                  in the new claim conditions being set.
           *
           */
          function setClaimConditions(
              uint256 tokenId,
              ClaimCondition[] calldata phases,
              bool resetClaimEligibility
          ) external;
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs
       *  at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually
       *  minting a non-zero balance of NFTs of those tokenIds.
       */
      interface ILazyMint {
          /// @dev Emitted when tokens are lazy minted.
          event TokensLazyMinted(uint256 indexed startTokenId, uint256 endTokenId, string baseURI, bytes encryptedBaseURI);
          /**
           *  @notice Lazy mints a given amount of NFTs.
           *
           *  @param amount           The number of NFTs to lazy mint.
           *
           *  @param baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each
           *                          of those NFTs is `${baseURIForTokens}/${tokenId}`.
           *
           *  @param extraData        Additional bytes data to be used at the discretion of the consumer of the contract.
           *
           *  @return batchId         A unique integer identifier for the batch of NFTs lazy minted together.
           */
          function lazyMint(
              uint256 amount,
              string calldata baseURIForTokens,
              bytes calldata extraData
          ) external returns (uint256 batchId);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      interface IOperatorFilterRegistry {
          function isOperatorAllowed(address registrant, address operator) external view returns (bool);
          function register(address registrant) external;
          function registerAndSubscribe(address registrant, address subscription) external;
          function registerAndCopyEntries(address registrant, address registrantToCopy) external;
          function unregister(address addr) external;
          function updateOperator(
              address registrant,
              address operator,
              bool filtered
          ) external;
          function updateOperators(
              address registrant,
              address[] calldata operators,
              bool filtered
          ) external;
          function updateCodeHash(
              address registrant,
              bytes32 codehash,
              bool filtered
          ) external;
          function updateCodeHashes(
              address registrant,
              bytes32[] calldata codeHashes,
              bool filtered
          ) external;
          function subscribe(address registrant, address registrantToSubscribe) external;
          function unsubscribe(address registrant, bool copyExistingEntries) external;
          function subscriptionOf(address addr) external returns (address registrant);
          function subscribers(address registrant) external returns (address[] memory);
          function subscriberAt(address registrant, uint256 index) external returns (address);
          function copyEntriesOf(address registrant, address registrantToCopy) external;
          function isOperatorFiltered(address registrant, address operator) external returns (bool);
          function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
          function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
          function filteredOperators(address addr) external returns (address[] memory);
          function filteredCodeHashes(address addr) external returns (bytes32[] memory);
          function filteredOperatorAt(address registrant, uint256 index) external returns (address);
          function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
          function isRegistered(address addr) external returns (bool);
          function codeHashOf(address addr) external returns (bytes32);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      interface IOperatorFilterToggle {
          event OperatorRestriction(bool restriction);
          function operatorRestriction() external view returns (bool);
          function setOperatorRestriction(bool restriction) external;
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
       *  information about who the contract's owner is.
       */
      interface IOwnable {
          /// @dev Returns the owner of the contract.
          function owner() external view returns (address);
          /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.
          function setOwner(address _newOwner) external;
          /// @dev Emitted when a new Owner is set.
          event OwnerUpdated(address indexed prevOwner, address indexed newOwner);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev External interface of AccessControl declared to support ERC165 detection.
       */
      interface IPermissions {
          /**
           * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
           *
           * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
           * {RoleAdminChanged} not being emitted signaling this.
           *
           * _Available since v3.1._
           */
          event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
          /**
           * @dev Emitted when `account` is granted `role`.
           *
           * `sender` is the account that originated the contract call, an admin role
           * bearer except when using {AccessControl-_setupRole}.
           */
          event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
          /**
           * @dev Emitted when `account` is revoked `role`.
           *
           * `sender` is the account that originated the contract call:
           *   - if using `revokeRole`, it is the admin role bearer
           *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
           */
          event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
          /**
           * @dev Returns `true` if `account` has been granted `role`.
           */
          function hasRole(bytes32 role, address account) external view returns (bool);
          /**
           * @dev Returns the admin role that controls `role`. See {grantRole} and
           * {revokeRole}.
           *
           * To change a role's admin, use {AccessControl-_setRoleAdmin}.
           */
          function getRoleAdmin(bytes32 role) external view returns (bytes32);
          /**
           * @dev Grants `role` to `account`.
           *
           * If `account` had not been already granted `role`, emits a {RoleGranted}
           * event.
           *
           * Requirements:
           *
           * - the caller must have ``role``'s admin role.
           */
          function grantRole(bytes32 role, address account) external;
          /**
           * @dev Revokes `role` from `account`.
           *
           * If `account` had been granted `role`, emits a {RoleRevoked} event.
           *
           * Requirements:
           *
           * - the caller must have ``role``'s admin role.
           */
          function revokeRole(bytes32 role, address account) external;
          /**
           * @dev Revokes `role` from the calling account.
           *
           * Roles are often managed via {grantRole} and {revokeRole}: this function's
           * purpose is to provide a mechanism for accounts to lose their privileges
           * if they are compromised (such as when a trusted device is misplaced).
           *
           * If the calling account had been granted `role`, emits a {RoleRevoked}
           * event.
           *
           * Requirements:
           *
           * - the caller must be `account`.
           */
          function renounceRole(bytes32 role, address account) external;
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./IPermissions.sol";
      /**
       * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
       */
      interface IPermissionsEnumerable is IPermissions {
          /**
           * @dev Returns one of the accounts that have `role`. `index` must be a
           * value between 0 and {getRoleMemberCount}, non-inclusive.
           *
           * Role bearers are not sorted in any particular way, and their ordering may
           * change at any point.
           *
           * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
           * you perform all queries on the same block. See the following
           * [forum post](https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296)
           * for more information.
           */
          function getRoleMember(bytes32 role, uint256 index) external view returns (address);
          /**
           * @dev Returns the number of accounts that have `role`. Can be used
           * together with {getRoleMember} to enumerate all bearers of a role.
           */
          function getRoleMemberCount(bytes32 role) external view returns (uint256);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
       *  that uses information about platform fees, if desired.
       */
      interface IPlatformFee {
          /// @dev Returns the platform fee bps and recipient.
          function getPlatformFeeInfo() external view returns (address, uint16);
          /// @dev Lets a module admin update the fees on primary sales.
          function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;
          /// @dev Emitted when fee on primary sales is updated.
          event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `Primary` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about
       *  primary sales, if desired.
       */
      interface IPrimarySale {
          /// @dev The adress that receives all primary sales value.
          function primarySaleRecipient() external view returns (address);
          /// @dev Lets a module admin set the default recipient of all primary sales.
          function setPrimarySaleRecipient(address _saleRecipient) external;
          /// @dev Emitted when a new sale recipient is set.
          event PrimarySaleRecipientUpdated(address indexed recipient);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "../../eip/interface/IERC2981.sol";
      /**
       *  Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic
       *  that uses information about royalty fees, if desired.
       *
       *  The `Royalty` contract is ERC2981 compliant.
       */
      interface IRoyalty is IERC2981 {
          struct RoyaltyInfo {
              address recipient;
              uint256 bps;
          }
          /// @dev Returns the royalty recipient and fee bps.
          function getDefaultRoyaltyInfo() external view returns (address, uint16);
          /// @dev Lets a module admin update the royalty bps and recipient.
          function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external;
          /// @dev Lets a module admin set the royalty recipient for a particular token Id.
          function setRoyaltyInfoForToken(
              uint256 tokenId,
              address recipient,
              uint256 bps
          ) external;
          /// @dev Returns the royalty recipient for a particular token Id.
          function getRoyaltyInfoForToken(uint256 tokenId) external view returns (address, uint16);
          /// @dev Emitted when royalty info is updated.
          event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps);
          /// @dev Emitted when royalty recipient for tokenId is set
          event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      interface IWETH {
          function deposit() external payable;
          function withdraw(uint256 amount) external;
          function transfer(address to, uint256 value) external returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      // Helper interfaces
      import { IWETH } from "../interfaces/IWETH.sol";
      import "../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol";
      library CurrencyTransferLib {
          using SafeERC20 for IERC20;
          /// @dev The address interpreted as native token of the chain.
          address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
          /// @dev Transfers a given amount of currency.
          function transferCurrency(
              address _currency,
              address _from,
              address _to,
              uint256 _amount
          ) internal {
              if (_amount == 0) {
                  return;
              }
              if (_currency == NATIVE_TOKEN) {
                  safeTransferNativeToken(_to, _amount);
              } else {
                  safeTransferERC20(_currency, _from, _to, _amount);
              }
          }
          /// @dev Transfers a given amount of currency. (With native token wrapping)
          function transferCurrencyWithWrapper(
              address _currency,
              address _from,
              address _to,
              uint256 _amount,
              address _nativeTokenWrapper
          ) internal {
              if (_amount == 0) {
                  return;
              }
              if (_currency == NATIVE_TOKEN) {
                  if (_from == address(this)) {
                      // withdraw from weth then transfer withdrawn native token to recipient
                      IWETH(_nativeTokenWrapper).withdraw(_amount);
                      safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
                  } else if (_to == address(this)) {
                      // store native currency in weth
                      require(_amount == msg.value, "msg.value != amount");
                      IWETH(_nativeTokenWrapper).deposit{ value: _amount }();
                  } else {
                      safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
                  }
              } else {
                  safeTransferERC20(_currency, _from, _to, _amount);
              }
          }
          /// @dev Transfer `amount` of ERC20 token from `from` to `to`.
          function safeTransferERC20(
              address _currency,
              address _from,
              address _to,
              uint256 _amount
          ) internal {
              if (_from == _to) {
                  return;
              }
              if (_from == address(this)) {
                  IERC20(_currency).safeTransfer(_to, _amount);
              } else {
                  IERC20(_currency).safeTransferFrom(_from, _to, _amount);
              }
          }
          /// @dev Transfers `amount` of native token to `to`.
          function safeTransferNativeToken(address to, uint256 value) internal {
              // solhint-disable avoid-low-level-calls
              // slither-disable-next-line low-level-calls
              (bool success, ) = to.call{ value: value }("");
              require(success, "native token transfer failed");
          }
          /// @dev Transfers `amount` of native token to `to`. (With native token wrapping)
          function safeTransferNativeTokenWithWrapper(
              address to,
              uint256 value,
              address _nativeTokenWrapper
          ) internal {
              // solhint-disable avoid-low-level-calls
              // slither-disable-next-line low-level-calls
              (bool success, ) = to.call{ value: value }("");
              if (!success) {
                  IWETH(_nativeTokenWrapper).deposit{ value: value }();
                  IERC20(_nativeTokenWrapper).safeTransfer(to, value);
              }
          }
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev These functions deal with verification of Merkle Trees proofs.
       *
       * The proofs can be generated using the JavaScript library
       * https://github.com/miguelmota/merkletreejs[merkletreejs].
       * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
       *
       * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
       *
       * Source: https://github.com/ensdomains/governance/blob/master/contracts/MerkleProof.sol
       */
      library MerkleProof {
          /**
           * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
           * defined by `root`. For this, a `proof` must be provided, containing
           * sibling hashes on the branch from the leaf to the root of the tree. Each
           * pair of leaves and each pair of pre-images are assumed to be sorted.
           */
          function verify(
              bytes32[] memory proof,
              bytes32 root,
              bytes32 leaf
          ) internal pure returns (bool, uint256) {
              bytes32 computedHash = leaf;
              uint256 index = 0;
              for (uint256 i = 0; i < proof.length; i++) {
                  index *= 2;
                  bytes32 proofElement = proof[i];
                  if (computedHash <= proofElement) {
                      // Hash(current computed hash + current element of the proof)
                      computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
                  } else {
                      // Hash(current element of the proof + current computed hash)
                      computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
                      index += 1;
                  }
              }
              // Check if the computed hash (root) is equal to the provided root
              return (computedHash == root, index);
          }
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev Collection of functions related to the address type
       */
      library TWAddress {
          /**
           * @dev Returns true if `account` is a contract.
           *
           * [IMPORTANT]
           * ====
           * It is unsafe to assume that an address for which this function returns
           * false is an externally-owned account (EOA) and not a contract.
           *
           * Among others, `isContract` will return false for the following
           * types of addresses:
           *
           *  - an externally-owned account
           *  - a contract in construction
           *  - an address where a contract will be created
           *  - an address where a contract lived, but was destroyed
           * ====
           *
           * [IMPORTANT]
           * ====
           * You shouldn't rely on `isContract` to protect against flash loan attacks!
           *
           * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
           * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
           * constructor.
           * ====
           */
          function isContract(address account) internal view returns (bool) {
              // This method relies on extcodesize/address.code.length, which returns 0
              // for contracts in construction, since the code is only stored at the end
              // of the constructor execution.
              return account.code.length > 0;
          }
          /**
           * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
           * `recipient`, forwarding all available gas and reverting on errors.
           *
           * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev String operations.
       */
      library TWStrings {
          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 v4.4.0 (metatx/ERC2771Context.sol)
      pragma solidity ^0.8.11;
      import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
      /**
       * @dev Context variant with ERC2771 support.
       */
      abstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {
          mapping(address => bool) private _trustedForwarder;
          function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing {
              __Context_init_unchained();
              __ERC2771Context_init_unchained(trustedForwarder);
          }
          function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing {
              for (uint256 i = 0; i < trustedForwarder.length; i++) {
                  _trustedForwarder[trustedForwarder[i]] = true;
              }
          }
          function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
              return _trustedForwarder[forwarder];
          }
          function _msgSender() internal view virtual override returns (address sender) {
              if (isTrustedForwarder(msg.sender)) {
                  // The assembly code is more direct than the Solidity version using `abi.decode`.
                  assembly {
                      sender := shr(96, calldataload(sub(calldatasize(), 20)))
                  }
              } else {
                  return super._msgSender();
              }
          }
          function _msgData() internal view virtual override returns (bytes calldata) {
              if (isTrustedForwarder(msg.sender)) {
                  return msg.data[:msg.data.length - 20];
              } else {
                  return super._msgData();
              }
          }
          uint256[49] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
      pragma solidity ^0.8.0;
      import "../../../../eip/interface/IERC20.sol";
      import "../../../../lib/TWAddress.sol";
      /**
       * @title SafeERC20
       * @dev Wrappers around ERC20 operations that throw on failure (when the token
       * contract returns false). Tokens that return no value (and instead revert or
       * throw on failure) are also supported, non-reverting calls are assumed to be
       * successful.
       * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
       * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
       */
      library SafeERC20 {
          using TWAddress for address;
          function safeTransfer(
              IERC20 token,
              address to,
              uint256 value
          ) internal {
              _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
          }
          function safeTransferFrom(
              IERC20 token,
              address from,
              address to,
              uint256 value
          ) internal {
              _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
          }
          /**
           * @dev Deprecated. This function has issues similar to the ones found in
           * {IERC20-approve}, and its usage is discouraged.
           *
           * Whenever possible, use {safeIncreaseAllowance} and
           * {safeDecreaseAllowance} instead.
           */
          function safeApprove(
              IERC20 token,
              address spender,
              uint256 value
          ) internal {
              // safeApprove should only be called when setting an initial allowance,
              // or when resetting it to zero. To increase and decrease it, use
              // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
              require(
                  (value == 0) || (token.allowance(address(this), spender) == 0),
                  "SafeERC20: approve from non-zero to non-zero allowance"
              );
              _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
          }
          function safeIncreaseAllowance(
              IERC20 token,
              address spender,
              uint256 value
          ) internal {
              uint256 newAllowance = token.allowance(address(this), spender) + value;
              _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
          }
          function safeDecreaseAllowance(
              IERC20 token,
              address spender,
              uint256 value
          ) internal {
              unchecked {
                  uint256 oldAllowance = token.allowance(address(this), spender);
                  require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
                  uint256 newAllowance = oldAllowance - value;
                  _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
              }
          }
          /**
           * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
           * on the return value: the return value is optional (but if data is returned, it must not be false).
           * @param token The token targeted by the call.
           * @param data The call data (encoded using abi.encode or one of its variants).
           */
          function _callOptionalReturn(IERC20 token, bytes memory data) private {
              // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
              // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
              // the target address contains contract code and also asserts for success in the low-level call.
              bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
              if (returndata.length > 0) {
                  // Return data is optional
                  require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
              }
          }
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)
      pragma solidity ^0.8.0;
      import "../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev Interface for the NFT Royalty Standard.
       *
       * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
       * support for royalty payments across all NFT marketplaces and ecosystem participants.
       *
       * _Available since v4.5._
       */
      interface IERC2981Upgradeable is IERC165Upgradeable {
          /**
           * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
           * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
           */
          function royaltyInfo(uint256 tokenId, uint256 salePrice)
              external
              view
              returns (address receiver, uint256 royaltyAmount);
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)
      pragma solidity ^0.8.2;
      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 proxied contracts do not make use of 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.
       *
       * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
       * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
       * case an upgrade adds a module that needs to be initialized.
       *
       * For example:
       *
       * [.hljs-theme-light.nopadding]
       * ```
       * contract MyToken is ERC20Upgradeable {
       *     function initialize() initializer public {
       *         __ERC20_init("MyToken", "MTK");
       *     }
       * }
       * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
       *     function initializeV2() reinitializer(2) public {
       *         __ERC20Permit_init("MyToken");
       *     }
       * }
       * ```
       *
       * 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 prevent the implementation contract from being used, you should invoke
       * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
       *
       * [.hljs-theme-light.nopadding]
       * ```
       * /// @custom:oz-upgrades-unsafe-allow constructor
       * constructor() {
       *     _disableInitializers();
       * }
       * ```
       * ====
       */
      abstract contract Initializable {
          /**
           * @dev Indicates that the contract has been initialized.
           * @custom:oz-retyped-from bool
           */
          uint8 private _initialized;
          /**
           * @dev Indicates that the contract is in the process of being initialized.
           */
          bool private _initializing;
          /**
           * @dev Triggered when the contract has been initialized or reinitialized.
           */
          event Initialized(uint8 version);
          /**
           * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
           * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.
           */
          modifier initializer() {
              bool isTopLevelCall = !_initializing;
              require(
                  (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
                  "Initializable: contract is already initialized"
              );
              _initialized = 1;
              if (isTopLevelCall) {
                  _initializing = true;
              }
              _;
              if (isTopLevelCall) {
                  _initializing = false;
                  emit Initialized(1);
              }
          }
          /**
           * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
           * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
           * used to initialize parent contracts.
           *
           * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original
           * initialization step. This is essential to configure modules that are added through upgrades and that require
           * initialization.
           *
           * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
           * a contract, executing them in the right order is up to the developer or operator.
           */
          modifier reinitializer(uint8 version) {
              require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
              _initialized = version;
              _initializing = true;
              _;
              _initializing = false;
              emit Initialized(version);
          }
          /**
           * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
           * {initializer} and {reinitializer} modifiers, directly or indirectly.
           */
          modifier onlyInitializing() {
              require(_initializing, "Initializable: contract is not initializing");
              _;
          }
          /**
           * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
           * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
           * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
           * through proxies.
           */
          function _disableInitializers() internal virtual {
              require(!_initializing, "Initializable: contract is initializing");
              if (_initialized < type(uint8).max) {
                  _initialized = type(uint8).max;
                  emit Initialized(type(uint8).max);
              }
          }
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/ERC1155.sol)
      pragma solidity ^0.8.0;
      import "./IERC1155Upgradeable.sol";
      import "./IERC1155ReceiverUpgradeable.sol";
      import "./extensions/IERC1155MetadataURIUpgradeable.sol";
      import "../../utils/AddressUpgradeable.sol";
      import "../../utils/ContextUpgradeable.sol";
      import "../../utils/introspection/ERC165Upgradeable.sol";
      import "../../proxy/utils/Initializable.sol";
      /**
       * @dev Implementation of the basic standard multi-token.
       * See https://eips.ethereum.org/EIPS/eip-1155
       * Originally based on code by Enjin: https://github.com/enjin/erc-1155
       *
       * _Available since v3.1._
       */
      contract ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable {
          using AddressUpgradeable for address;
          // Mapping from token ID to account balances
          mapping(uint256 => mapping(address => uint256)) private _balances;
          // Mapping from account to operator approvals
          mapping(address => mapping(address => bool)) private _operatorApprovals;
          // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
          string private _uri;
          /**
           * @dev See {_setURI}.
           */
          function __ERC1155_init(string memory uri_) internal onlyInitializing {
              __ERC1155_init_unchained(uri_);
          }
          function __ERC1155_init_unchained(string memory uri_) internal onlyInitializing {
              _setURI(uri_);
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
              return
                  interfaceId == type(IERC1155Upgradeable).interfaceId ||
                  interfaceId == type(IERC1155MetadataURIUpgradeable).interfaceId ||
                  super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC1155MetadataURI-uri}.
           *
           * This implementation returns the same URI for *all* token types. It relies
           * on the token type ID substitution mechanism
           * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
           *
           * Clients calling this function must replace the `\\{id\\}` substring with the
           * actual token type ID.
           */
          function uri(uint256) public view virtual override returns (string memory) {
              return _uri;
          }
          /**
           * @dev See {IERC1155-balanceOf}.
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           */
          function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
              require(account != address(0), "ERC1155: address zero is not a valid owner");
              return _balances[id][account];
          }
          /**
           * @dev See {IERC1155-balanceOfBatch}.
           *
           * Requirements:
           *
           * - `accounts` and `ids` must have the same length.
           */
          function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
              public
              view
              virtual
              override
              returns (uint256[] memory)
          {
              require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");
              uint256[] memory batchBalances = new uint256[](accounts.length);
              for (uint256 i = 0; i < accounts.length; ++i) {
                  batchBalances[i] = balanceOf(accounts[i], ids[i]);
              }
              return batchBalances;
          }
          /**
           * @dev See {IERC1155-setApprovalForAll}.
           */
          function setApprovalForAll(address operator, bool approved) public virtual override {
              _setApprovalForAll(_msgSender(), operator, approved);
          }
          /**
           * @dev See {IERC1155-isApprovedForAll}.
           */
          function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
              return _operatorApprovals[account][operator];
          }
          /**
           * @dev See {IERC1155-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) public virtual override {
              require(
                  from == _msgSender() || isApprovedForAll(from, _msgSender()),
                  "ERC1155: caller is not token owner nor approved"
              );
              _safeTransferFrom(from, to, id, amount, data);
          }
          /**
           * @dev See {IERC1155-safeBatchTransferFrom}.
           */
          function safeBatchTransferFrom(
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) public virtual override {
              require(
                  from == _msgSender() || isApprovedForAll(from, _msgSender()),
                  "ERC1155: caller is not token owner nor approved"
              );
              _safeBatchTransferFrom(from, to, ids, amounts, data);
          }
          /**
           * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - `from` must have a balance of tokens of type `id` of at least `amount`.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function _safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) internal virtual {
              require(to != address(0), "ERC1155: transfer to the zero address");
              address operator = _msgSender();
              uint256[] memory ids = _asSingletonArray(id);
              uint256[] memory amounts = _asSingletonArray(amount);
              _beforeTokenTransfer(operator, from, to, ids, amounts, data);
              uint256 fromBalance = _balances[id][from];
              require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
              unchecked {
                  _balances[id][from] = fromBalance - amount;
              }
              _balances[id][to] += amount;
              emit TransferSingle(operator, from, to, id, amount);
              _afterTokenTransfer(operator, from, to, ids, amounts, data);
              _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
           * acceptance magic value.
           */
          function _safeBatchTransferFrom(
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              require(to != address(0), "ERC1155: transfer to the zero address");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, from, to, ids, amounts, data);
              for (uint256 i = 0; i < ids.length; ++i) {
                  uint256 id = ids[i];
                  uint256 amount = amounts[i];
                  uint256 fromBalance = _balances[id][from];
                  require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
                  unchecked {
                      _balances[id][from] = fromBalance - amount;
                  }
                  _balances[id][to] += amount;
              }
              emit TransferBatch(operator, from, to, ids, amounts);
              _afterTokenTransfer(operator, from, to, ids, amounts, data);
              _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
          }
          /**
           * @dev Sets a new URI for all token types, by relying on the token type ID
           * substitution mechanism
           * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
           *
           * By this mechanism, any occurrence of the `\\{id\\}` substring in either the
           * URI or any of the amounts in the JSON file at said URI will be replaced by
           * clients with the token type ID.
           *
           * For example, the `https://token-cdn-domain/\\{id\\}.json` URI would be
           * interpreted by clients as
           * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
           * for token type ID 0x4cce0.
           *
           * See {uri}.
           *
           * Because these URIs cannot be meaningfully represented by the {URI} event,
           * this function emits no events.
           */
          function _setURI(string memory newuri) internal virtual {
              _uri = newuri;
          }
          /**
           * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function _mint(
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) internal virtual {
              require(to != address(0), "ERC1155: mint to the zero address");
              address operator = _msgSender();
              uint256[] memory ids = _asSingletonArray(id);
              uint256[] memory amounts = _asSingletonArray(amount);
              _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
              _balances[id][to] += amount;
              emit TransferSingle(operator, address(0), to, id, amount);
              _afterTokenTransfer(operator, address(0), to, ids, amounts, data);
              _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
           * acceptance magic value.
           */
          function _mintBatch(
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {
              require(to != address(0), "ERC1155: mint to the zero address");
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
              for (uint256 i = 0; i < ids.length; i++) {
                  _balances[ids[i]][to] += amounts[i];
              }
              emit TransferBatch(operator, address(0), to, ids, amounts);
              _afterTokenTransfer(operator, address(0), to, ids, amounts, data);
              _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
          }
          /**
           * @dev Destroys `amount` tokens of token type `id` from `from`
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `from` must have at least `amount` tokens of token type `id`.
           */
          function _burn(
              address from,
              uint256 id,
              uint256 amount
          ) internal virtual {
              require(from != address(0), "ERC1155: burn from the zero address");
              address operator = _msgSender();
              uint256[] memory ids = _asSingletonArray(id);
              uint256[] memory amounts = _asSingletonArray(amount);
              _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
              uint256 fromBalance = _balances[id][from];
              require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
              unchecked {
                  _balances[id][from] = fromBalance - amount;
              }
              emit TransferSingle(operator, from, address(0), id, amount);
              _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           */
          function _burnBatch(
              address from,
              uint256[] memory ids,
              uint256[] memory amounts
          ) internal virtual {
              require(from != address(0), "ERC1155: burn from the zero address");
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
              for (uint256 i = 0; i < ids.length; i++) {
                  uint256 id = ids[i];
                  uint256 amount = amounts[i];
                  uint256 fromBalance = _balances[id][from];
                  require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
                  unchecked {
                      _balances[id][from] = fromBalance - amount;
                  }
              }
              emit TransferBatch(operator, from, address(0), ids, amounts);
              _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
          }
          /**
           * @dev Approve `operator` to operate on all of `owner` tokens
           *
           * Emits an {ApprovalForAll} event.
           */
          function _setApprovalForAll(
              address owner,
              address operator,
              bool approved
          ) internal virtual {
              require(owner != operator, "ERC1155: setting approval status for self");
              _operatorApprovals[owner][operator] = approved;
              emit ApprovalForAll(owner, operator, approved);
          }
          /**
           * @dev Hook that is called before any token transfer. This includes minting
           * and burning, as well as batched variants.
           *
           * The same hook is called on both single and batched variants. For single
           * transfers, the length of the `ids` and `amounts` arrays will be 1.
           *
           * Calling conditions (for each `id` and `amount` pair):
           *
           * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
           * of token type `id` will be  transferred to `to`.
           * - When `from` is zero, `amount` tokens of token type `id` will be minted
           * for `to`.
           * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
           * will be burned.
           * - `from` and `to` are never both zero.
           * - `ids` and `amounts` have the same, non-zero length.
           *
           * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
           */
          function _beforeTokenTransfer(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {}
          /**
           * @dev Hook that is called after any token transfer. This includes minting
           * and burning, as well as batched variants.
           *
           * The same hook is called on both single and batched variants. For single
           * transfers, the length of the `id` and `amount` arrays will be 1.
           *
           * Calling conditions (for each `id` and `amount` pair):
           *
           * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
           * of token type `id` will be  transferred to `to`.
           * - When `from` is zero, `amount` tokens of token type `id` will be minted
           * for `to`.
           * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
           * will be burned.
           * - `from` and `to` are never both zero.
           * - `ids` and `amounts` have the same, non-zero length.
           *
           * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
           */
          function _afterTokenTransfer(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {}
          function _doSafeTransferAcceptanceCheck(
              address operator,
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) private {
              if (to.isContract()) {
                  try IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                      if (response != IERC1155ReceiverUpgradeable.onERC1155Received.selector) {
                          revert("ERC1155: ERC1155Receiver rejected tokens");
                      }
                  } catch Error(string memory reason) {
                      revert(reason);
                  } catch {
                      revert("ERC1155: transfer to non ERC1155Receiver implementer");
                  }
              }
          }
          function _doSafeBatchTransferAcceptanceCheck(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) private {
              if (to.isContract()) {
                  try IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                      bytes4 response
                  ) {
                      if (response != IERC1155ReceiverUpgradeable.onERC1155BatchReceived.selector) {
                          revert("ERC1155: ERC1155Receiver rejected tokens");
                      }
                  } catch Error(string memory reason) {
                      revert(reason);
                  } catch {
                      revert("ERC1155: transfer to non ERC1155Receiver implementer");
                  }
              }
          }
          function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
              uint256[] memory array = new uint256[](1);
              array[0] = element;
              return array;
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          uint256[47] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev _Available since v3.1._
       */
      interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {
          /**
           * @dev Handles the receipt of a single ERC1155 token type. This function is
           * called at the end of a `safeTransferFrom` after the balance has been updated.
           *
           * NOTE: To accept the transfer, this must return
           * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
           * (i.e. 0xf23a6e61, or its own function selector).
           *
           * @param operator The address which initiated the transfer (i.e. msg.sender)
           * @param from The address which previously owned the token
           * @param id The ID of the token being transferred
           * @param value The amount of tokens being transferred
           * @param data Additional data with no specified format
           * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
           */
          function onERC1155Received(
              address operator,
              address from,
              uint256 id,
              uint256 value,
              bytes calldata data
          ) external returns (bytes4);
          /**
           * @dev Handles the receipt of a multiple ERC1155 token types. This function
           * is called at the end of a `safeBatchTransferFrom` after the balances have
           * been updated.
           *
           * NOTE: To accept the transfer(s), this must return
           * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
           * (i.e. 0xbc197c81, or its own function selector).
           *
           * @param operator The address which initiated the batch transfer (i.e. msg.sender)
           * @param from The address which previously owned the token
           * @param ids An array containing ids of each token being transferred (order and length must match values array)
           * @param values An array containing amounts of each token being transferred (order and length must match ids array)
           * @param data Additional data with no specified format
           * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
           */
          function onERC1155BatchReceived(
              address operator,
              address from,
              uint256[] calldata ids,
              uint256[] calldata values,
              bytes calldata data
          ) external returns (bytes4);
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev Required interface of an ERC1155 compliant contract, as defined in the
       * https://eips.ethereum.org/EIPS/eip-1155[EIP].
       *
       * _Available since v3.1._
       */
      interface IERC1155Upgradeable is IERC165Upgradeable {
          /**
           * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
           */
          event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
          /**
           * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
           * transfers.
           */
          event TransferBatch(
              address indexed operator,
              address indexed from,
              address indexed to,
              uint256[] ids,
              uint256[] values
          );
          /**
           * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
           * `approved`.
           */
          event ApprovalForAll(address indexed account, address indexed operator, bool approved);
          /**
           * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
           *
           * If an {URI} event was emitted for `id`, the standard
           * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
           * returned by {IERC1155MetadataURI-uri}.
           */
          event URI(string value, uint256 indexed id);
          /**
           * @dev Returns the amount of tokens of token type `id` owned by `account`.
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           */
          function balanceOf(address account, uint256 id) external view returns (uint256);
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
           *
           * Requirements:
           *
           * - `accounts` and `ids` must have the same length.
           */
          function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
              external
              view
              returns (uint256[] memory);
          /**
           * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
           *
           * Emits an {ApprovalForAll} event.
           *
           * Requirements:
           *
           * - `operator` cannot be the caller.
           */
          function setApprovalForAll(address operator, bool approved) external;
          /**
           * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
           *
           * See {setApprovalForAll}.
           */
          function isApprovedForAll(address account, address operator) external view returns (bool);
          /**
           * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
           * - `from` must have a balance of tokens of type `id` of at least `amount`.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes calldata data
          ) external;
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
           * acceptance magic value.
           */
          function safeBatchTransferFrom(
              address from,
              address to,
              uint256[] calldata ids,
              uint256[] calldata amounts,
              bytes calldata data
          ) external;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
      pragma solidity ^0.8.0;
      import "../IERC1155Upgradeable.sol";
      /**
       * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
       * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
       *
       * _Available since v3.1._
       */
      interface IERC1155MetadataURIUpgradeable is IERC1155Upgradeable {
          /**
           * @dev Returns the URI for token type `id`.
           *
           * If the `\\{id\\}` substring is present in the URI, it must be replaced by
           * clients with the actual token type ID.
           */
          function uri(uint256 id) external view returns (string memory);
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
      pragma solidity ^0.8.1;
      /**
       * @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
           * ====
           *
           * [IMPORTANT]
           * ====
           * You shouldn't rely on `isContract` to protect against flash loan attacks!
           *
           * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
           * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
           * constructor.
           * ====
           */
          function isContract(address account) internal view returns (bool) {
              // This method relies on extcodesize/address.code.length, which returns 0
              // for contracts in construction, since the code is only stored at the end
              // of the constructor execution.
              return account.code.length > 0;
          }
          /**
           * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
           * `recipient`, forwarding all available gas and reverting on errors.
           *
           * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
           * of certain opcodes, possibly making contracts go over the 2300 gas limit
           * imposed by `transfer`, making them unable to receive funds via
           * `transfer`. {sendValue} removes this limitation.
           *
           * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
           *
           * IMPORTANT: because control is transferred to `recipient`, care must be
           * taken to not create reentrancy vulnerabilities. Consider using
           * {ReentrancyGuard} or the
           * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
           */
          function sendValue(address payable recipient, uint256 amount) internal {
              require(address(this).balance >= amount, "Address: insufficient balance");
              (bool success, ) = recipient.call{value: amount}("");
              require(success, "Address: unable to send value, recipient may have reverted");
          }
          /**
           * @dev Performs a Solidity function call using a low level `call`. A
           * plain `call` is an unsafe replacement for a function call: use this
           * function instead.
           *
           * If `target` reverts with a revert reason, it is bubbled up by this
           * function (like regular Solidity function calls).
           *
           * Returns the raw returned data. To convert to the expected return value,
           * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
           *
           * Requirements:
           *
           * - `target` must be a contract.
           * - calling `target` with `data` must not revert.
           *
           * _Available since v3.1._
           */
          function functionCall(address target, bytes memory data) internal returns (bytes memory) {
              return functionCall(target, data, "Address: low-level call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
           * `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, 0, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but also transferring `value` wei to `target`.
           *
           * Requirements:
           *
           * - the calling contract must have an ETH balance of at least `value`.
           * - the called Solidity function must be `payable`.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
          }
          /**
           * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
           * with `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value,
              string memory errorMessage
          ) internal returns (bytes memory) {
              require(address(this).balance >= value, "Address: insufficient balance for call");
              require(isContract(target), "Address: call to non-contract");
              (bool success, bytes memory returndata) = target.call{value: value}(data);
              return verifyCallResult(success, returndata, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
              return functionStaticCall(target, data, "Address: low-level static call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal view returns (bytes memory) {
              require(isContract(target), "Address: static call to non-contract");
              (bool success, bytes memory returndata) = target.staticcall(data);
              return verifyCallResult(success, returndata, errorMessage);
          }
          /**
           * @dev 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
                      /// @solidity memory-safe-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 (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 {
          }
          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;
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          uint256[50] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol)
      pragma solidity ^0.8.0;
      import "./AddressUpgradeable.sol";
      import "../proxy/utils/Initializable.sol";
      /**
       * @dev Provides a function to batch together multiple calls in a single external call.
       *
       * _Available since v4.1._
       */
      abstract contract MulticallUpgradeable is Initializable {
          function __Multicall_init() internal onlyInitializing {
          }
          function __Multicall_init_unchained() internal onlyInitializing {
          }
          /**
           * @dev Receives and executes a batch of function calls on this contract.
           */
          function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {
              results = new bytes[](data.length);
              for (uint256 i = 0; i < data.length; i++) {
                  results[i] = _functionDelegateCall(address(this), data[i]);
              }
              return results;
          }
          /**
           * @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) private returns (bytes memory) {
              require(AddressUpgradeable.isContract(target), "Address: delegate call to non-contract");
              // solhint-disable-next-line avoid-low-level-calls
              (bool success, bytes memory returndata) = target.delegatecall(data);
              return AddressUpgradeable.verifyCallResult(success, returndata, "Address: low-level delegate call failed");
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          uint256[50] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
      pragma solidity ^0.8.0;
      /**
       * @dev String operations.
       */
      library StringsUpgradeable {
          bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
          uint8 private constant _ADDRESS_LENGTH = 20;
          /**
           * @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);
          }
          /**
           * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
           */
          function toHexString(address addr) internal pure returns (string memory) {
              return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
          }
      }
      // 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 {
          }
          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;
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          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);
      }
      

      File 2 of 2: DropERC1155
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.11;
      /// @author thirdweb
      //   $$\\     $$\\       $$\\                 $$\\                         $$\\
      //   $$ |    $$ |      \\__|                $$ |                        $$ |
      // $$$$$$\\   $$$$$$$\\  $$\\  $$$$$$\\   $$$$$$$ |$$\\  $$\\  $$\\  $$$$$$\\  $$$$$$$\\
      // \\_$$  _|  $$  __$$\\ $$ |$$  __$$\\ $$  __$$ |$$ | $$ | $$ |$$  __$$\\ $$  __$$\\
      //   $$ |    $$ |  $$ |$$ |$$ |  \\__|$$ /  $$ |$$ | $$ | $$ |$$$$$$$$ |$$ |  $$ |
      //   $$ |$$\\ $$ |  $$ |$$ |$$ |      $$ |  $$ |$$ | $$ | $$ |$$   ____|$$ |  $$ |
      //   \\$$$$  |$$ |  $$ |$$ |$$ |      \\$$$$$$$ |\\$$$$$\\$$$$  |\\$$$$$$$\\ $$$$$$$  |
      //    \\____/ \\__|  \\__|\\__|\\__|       \\_______| \\_____\\____/  \\_______|\\_______/
      //  ==========  External imports    ==========
      import "@openzeppelin/contracts-upgradeable/token/ERC1155/ERC1155Upgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/utils/MulticallUpgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";
      //  ==========  Internal imports    ==========
      import "../openzeppelin-presets/metatx/ERC2771ContextUpgradeable.sol";
      import "../lib/CurrencyTransferLib.sol";
      //  ==========  Features    ==========
      import "../extension/ContractMetadata.sol";
      import "../extension/PlatformFee.sol";
      import "../extension/Royalty.sol";
      import "../extension/PrimarySale.sol";
      import "../extension/Ownable.sol";
      import "../extension/LazyMint.sol";
      import "../extension/PermissionsEnumerable.sol";
      import "../extension/Drop1155.sol";
      // OpenSea operator filter
      import "../extension/DefaultOperatorFiltererUpgradeable.sol";
      contract DropERC1155 is
          Initializable,
          ContractMetadata,
          PlatformFee,
          Royalty,
          PrimarySale,
          Ownable,
          LazyMint,
          PermissionsEnumerable,
          Drop1155,
          ERC2771ContextUpgradeable,
          MulticallUpgradeable,
          DefaultOperatorFiltererUpgradeable,
          ERC1155Upgradeable
      {
          using StringsUpgradeable for uint256;
          /*///////////////////////////////////////////////////////////////
                                  State variables
          //////////////////////////////////////////////////////////////*/
          // Token name
          string public name;
          // Token symbol
          string public symbol;
          /// @dev Only transfers to or from TRANSFER_ROLE holders are valid, when transfers are restricted.
          bytes32 private transferRole;
          /// @dev Only MINTER_ROLE holders can sign off on `MintRequest`s and lazy mint tokens.
          bytes32 private minterRole;
          /// @dev Max bps in the thirdweb system.
          uint256 private constant MAX_BPS = 10_000;
          /*///////////////////////////////////////////////////////////////
                                      Mappings
          //////////////////////////////////////////////////////////////*/
          /// @dev Mapping from token ID => total circulating supply of tokens with that ID.
          mapping(uint256 => uint256) public totalSupply;
          /// @dev Mapping from token ID => maximum possible total circulating supply of tokens with that ID.
          mapping(uint256 => uint256) public maxTotalSupply;
          /// @dev Mapping from token ID => the address of the recipient of primary sales.
          mapping(uint256 => address) public saleRecipient;
          /*///////////////////////////////////////////////////////////////
                                     Events
          //////////////////////////////////////////////////////////////*/
          /// @dev Emitted when the global max supply of a token is updated.
          event MaxTotalSupplyUpdated(uint256 tokenId, uint256 maxTotalSupply);
          /// @dev Emitted when the sale recipient for a particular tokenId is updated.
          event SaleRecipientForTokenUpdated(uint256 indexed tokenId, address saleRecipient);
          /*///////////////////////////////////////////////////////////////
                          Constructor + initializer logic
          //////////////////////////////////////////////////////////////*/
          constructor() initializer {}
          /// @dev Initiliazes the contract, like a constructor.
          function initialize(
              address _defaultAdmin,
              string memory _name,
              string memory _symbol,
              string memory _contractURI,
              address[] memory _trustedForwarders,
              address _saleRecipient,
              address _royaltyRecipient,
              uint128 _royaltyBps,
              uint128 _platformFeeBps,
              address _platformFeeRecipient
          ) external initializer {
              bytes32 _transferRole = keccak256("TRANSFER_ROLE");
              bytes32 _minterRole = keccak256("MINTER_ROLE");
              // Initialize inherited contracts, most base-like -> most derived.
              __ERC2771Context_init(_trustedForwarders);
              __ERC1155_init_unchained("");
              __DefaultOperatorFilterer_init();
              // Initialize this contract's state.
              _setupContractURI(_contractURI);
              _setupOwner(_defaultAdmin);
              _setOperatorRestriction(true);
              _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin);
              _setupRole(_minterRole, _defaultAdmin);
              _setupRole(_transferRole, _defaultAdmin);
              _setupRole(_transferRole, address(0));
              _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);
              _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);
              _setupPrimarySaleRecipient(_saleRecipient);
              transferRole = _transferRole;
              minterRole = _minterRole;
              name = _name;
              symbol = _symbol;
          }
          /*///////////////////////////////////////////////////////////////
                              ERC 165 / 1155 / 2981 logic
          //////////////////////////////////////////////////////////////*/
          /// @dev Returns the uri for a given tokenId.
          function uri(uint256 _tokenId) public view override returns (string memory) {
              string memory batchUri = _getBaseURI(_tokenId);
              return string(abi.encodePacked(batchUri, _tokenId.toString()));
          }
          /// @dev See ERC 165
          function supportsInterface(bytes4 interfaceId)
              public
              view
              virtual
              override(ERC1155Upgradeable, IERC165)
              returns (bool)
          {
              return super.supportsInterface(interfaceId) || type(IERC2981Upgradeable).interfaceId == interfaceId;
          }
          /*///////////////////////////////////////////////////////////////
                              Contract identifiers
          //////////////////////////////////////////////////////////////*/
          function contractType() external pure returns (bytes32) {
              return bytes32("DropERC1155");
          }
          function contractVersion() external pure returns (uint8) {
              return uint8(4);
          }
          /*///////////////////////////////////////////////////////////////
                              Setter functions
          //////////////////////////////////////////////////////////////*/
          /// @dev Lets a module admin set a max total supply for token.
          function setMaxTotalSupply(uint256 _tokenId, uint256 _maxTotalSupply) external onlyRole(DEFAULT_ADMIN_ROLE) {
              maxTotalSupply[_tokenId] = _maxTotalSupply;
              emit MaxTotalSupplyUpdated(_tokenId, _maxTotalSupply);
          }
          /// @dev Lets a contract admin set the recipient for all primary sales.
          function setSaleRecipientForToken(uint256 _tokenId, address _saleRecipient) external onlyRole(DEFAULT_ADMIN_ROLE) {
              saleRecipient[_tokenId] = _saleRecipient;
              emit SaleRecipientForTokenUpdated(_tokenId, _saleRecipient);
          }
          /*///////////////////////////////////////////////////////////////
                              Internal functions
          //////////////////////////////////////////////////////////////*/
          /// @dev Runs before every `claim` function call.
          function _beforeClaim(
              uint256 _tokenId,
              address,
              uint256 _quantity,
              address,
              uint256,
              AllowlistProof calldata,
              bytes memory
          ) internal view override {
              require(
                  maxTotalSupply[_tokenId] == 0 || totalSupply[_tokenId] + _quantity <= maxTotalSupply[_tokenId],
                  "exceed max total supply"
              );
          }
          /// @dev Collects and distributes the primary sale value of NFTs being claimed.
          function collectPriceOnClaim(
              uint256 _tokenId,
              address _primarySaleRecipient,
              uint256 _quantityToClaim,
              address _currency,
              uint256 _pricePerToken
          ) internal override {
              if (_pricePerToken == 0) {
                  return;
              }
              (address platformFeeRecipient, uint16 platformFeeBps) = getPlatformFeeInfo();
              address _saleRecipient = _primarySaleRecipient == address(0)
                  ? (saleRecipient[_tokenId] == address(0) ? primarySaleRecipient() : saleRecipient[_tokenId])
                  : _primarySaleRecipient;
              uint256 totalPrice = _quantityToClaim * _pricePerToken;
              uint256 platformFees = (totalPrice * platformFeeBps) / MAX_BPS;
              if (_currency == CurrencyTransferLib.NATIVE_TOKEN) {
                  if (msg.value != totalPrice) {
                      revert("!Price");
                  }
              }
              CurrencyTransferLib.transferCurrency(_currency, _msgSender(), platformFeeRecipient, platformFees);
              CurrencyTransferLib.transferCurrency(_currency, _msgSender(), _saleRecipient, totalPrice - platformFees);
          }
          /// @dev Transfers the NFTs being claimed.
          function transferTokensOnClaim(
              address _to,
              uint256 _tokenId,
              uint256 _quantityBeingClaimed
          ) internal override {
              _mint(_to, _tokenId, _quantityBeingClaimed, "");
          }
          /// @dev Checks whether platform fee info can be set in the given execution context.
          function _canSetPlatformFeeInfo() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether primary sale recipient can be set in the given execution context.
          function _canSetPrimarySaleRecipient() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether owner can be set in the given execution context.
          function _canSetOwner() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether royalty info can be set in the given execution context.
          function _canSetRoyaltyInfo() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether contract metadata can be set in the given execution context.
          function _canSetContractURI() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Checks whether platform fee info can be set in the given execution context.
          function _canSetClaimConditions() internal view override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /// @dev Returns whether lazy minting can be done in the given execution context.
          function _canLazyMint() internal view virtual override returns (bool) {
              return hasRole(minterRole, _msgSender());
          }
          /// @dev Returns whether operator restriction can be set in the given execution context.
          function _canSetOperatorRestriction() internal virtual override returns (bool) {
              return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
          }
          /*///////////////////////////////////////////////////////////////
                              Miscellaneous
          //////////////////////////////////////////////////////////////*/
          /// @dev The tokenId of the next NFT that will be minted / lazy minted.
          function nextTokenIdToMint() external view returns (uint256) {
              return nextTokenIdToLazyMint;
          }
          /// @dev Lets a token owner burn multiple tokens they own at once (i.e. destroy for good)
          function burnBatch(
              address account,
              uint256[] memory ids,
              uint256[] memory values
          ) public virtual {
              require(
                  account == _msgSender() || isApprovedForAll(account, _msgSender()),
                  "ERC1155: caller is not owner nor approved."
              );
              _burnBatch(account, ids, values);
          }
          /**
           * @dev See {ERC1155-_beforeTokenTransfer}.
           */
          function _beforeTokenTransfer(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual override {
              super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
              // if transfer is restricted on the contract, we still want to allow burning and minting
              if (!hasRole(transferRole, address(0)) && from != address(0) && to != address(0)) {
                  require(hasRole(transferRole, from) || hasRole(transferRole, to), "restricted to TRANSFER_ROLE holders.");
              }
              if (from == address(0)) {
                  for (uint256 i = 0; i < ids.length; ++i) {
                      totalSupply[ids[i]] += amounts[i];
                  }
              }
              if (to == address(0)) {
                  for (uint256 i = 0; i < ids.length; ++i) {
                      totalSupply[ids[i]] -= amounts[i];
                  }
              }
          }
          /// @dev See {ERC1155-setApprovalForAll}
          function setApprovalForAll(address operator, bool approved) public override onlyAllowedOperatorApproval(operator) {
              super.setApprovalForAll(operator, approved);
          }
          /**
           * @dev See {IERC1155-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) public override(ERC1155Upgradeable) onlyAllowedOperator(from) {
              super.safeTransferFrom(from, to, id, amount, data);
          }
          /**
           * @dev See {IERC1155-safeBatchTransferFrom}.
           */
          function safeBatchTransferFrom(
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) public override(ERC1155Upgradeable) onlyAllowedOperator(from) {
              super.safeBatchTransferFrom(from, to, ids, amounts, data);
          }
          function _dropMsgSender() internal view virtual override returns (address) {
              return _msgSender();
          }
          function _msgSender()
              internal
              view
              virtual
              override(ContextUpgradeable, ERC2771ContextUpgradeable)
              returns (address sender)
          {
              return ERC2771ContextUpgradeable._msgSender();
          }
          function _msgData()
              internal
              view
              virtual
              override(ContextUpgradeable, ERC2771ContextUpgradeable)
              returns (bytes calldata)
          {
              return ERC2771ContextUpgradeable._msgData();
          }
      }
      // 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
       * [EIP](https://eips.ethereum.org/EIPS/eip-165).
       *
       * Implementers can declare support of contract interfaces, which can then be
       * queried by others ({ERC165Checker}).
       *
       * For an implementation, see {ERC165}.
       */
      interface IERC165 {
          /**
           * @dev Returns true if this contract implements the interface defined by
           * `interfaceId`. See the corresponding
           * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
           * 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: Apache-2.0
      pragma solidity ^0.8.0;
      /**
       * @title ERC20 interface
       * @dev see https://github.com/ethereum/EIPs/issues/20
       */
      interface IERC20 {
          function totalSupply() external view returns (uint256);
          function balanceOf(address who) external view returns (uint256);
          function allowance(address owner, address spender) external view returns (uint256);
          function transfer(address to, uint256 value) external returns (bool);
          function approve(address spender, uint256 value) external returns (bool);
          function transferFrom(
              address from,
              address to,
              uint256 value
          ) external returns (bool);
          event Transfer(address indexed from, address indexed to, uint256 value);
          event Approval(address indexed owner, address indexed spender, uint256 value);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      import "./IERC165.sol";
      /**
       * @dev Interface for the NFT Royalty Standard.
       *
       * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
       * support for royalty payments across all NFT marketplaces and ecosystem participants.
       *
       * _Available since v4.5._
       */
      interface IERC2981 is IERC165 {
          /**
           * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
           * exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
           */
          function royaltyInfo(uint256 tokenId, uint256 salePrice)
              external
              view
              returns (address receiver, uint256 royaltyAmount);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  @title   Batch-mint Metadata
       *  @notice  The `BatchMintMetadata` is a contract extension for any base NFT contract. It lets the smart contract
       *           using this extension set metadata for `n` number of NFTs all at once. This is enabled by storing a single
       *           base URI for a batch of `n` NFTs, where the metadata for each NFT in a relevant batch is `baseURI/tokenId`.
       */
      contract BatchMintMetadata {
          /// @dev Largest tokenId of each batch of tokens with the same baseURI.
          uint256[] private batchIds;
          /// @dev Mapping from id of a batch of tokens => to base URI for the respective batch of tokens.
          mapping(uint256 => string) private baseURI;
          /**
           *  @notice         Returns the count of batches of NFTs.
           *  @dev            Each batch of tokens has an in ID and an associated `baseURI`.
           *                  See {batchIds}.
           */
          function getBaseURICount() public view returns (uint256) {
              return batchIds.length;
          }
          /**
           *  @notice         Returns the ID for the batch of tokens the given tokenId belongs to.
           *  @dev            See {getBaseURICount}.
           *  @param _index   ID of a token.
           */
          function getBatchIdAtIndex(uint256 _index) public view returns (uint256) {
              if (_index >= getBaseURICount()) {
                  revert("Invalid index");
              }
              return batchIds[_index];
          }
          /// @dev Returns the id for the batch of tokens the given tokenId belongs to.
          function _getBatchId(uint256 _tokenId) internal view returns (uint256 batchId, uint256 index) {
              uint256 numOfTokenBatches = getBaseURICount();
              uint256[] memory indices = batchIds;
              for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
                  if (_tokenId < indices[i]) {
                      index = i;
                      batchId = indices[i];
                      return (batchId, index);
                  }
              }
              revert("Invalid tokenId");
          }
          /// @dev Returns the baseURI for a token. The intended metadata URI for the token is baseURI + tokenId.
          function _getBaseURI(uint256 _tokenId) internal view returns (string memory) {
              uint256 numOfTokenBatches = getBaseURICount();
              uint256[] memory indices = batchIds;
              for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
                  if (_tokenId < indices[i]) {
                      return baseURI[indices[i]];
                  }
              }
              revert("Invalid tokenId");
          }
          /// @dev Sets the base URI for the batch of tokens with the given batchId.
          function _setBaseURI(uint256 _batchId, string memory _baseURI) internal {
              baseURI[_batchId] = _baseURI;
          }
          /// @dev Mints a batch of tokenIds and associates a common baseURI to all those Ids.
          function _batchMintMetadata(
              uint256 _startId,
              uint256 _amountToMint,
              string memory _baseURIForTokens
          ) internal returns (uint256 nextTokenIdToMint, uint256 batchId) {
              batchId = _startId + _amountToMint;
              nextTokenIdToMint = batchId;
              batchIds.push(batchId);
              baseURI[batchId] = _baseURIForTokens;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IContractMetadata.sol";
      /**
       *  @title   Contract Metadata
       *  @notice  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
       *           for you contract.
       *           Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
       */
      abstract contract ContractMetadata is IContractMetadata {
          /// @notice Returns the contract metadata URI.
          string public override contractURI;
          /**
           *  @notice         Lets a contract admin set the URI for contract-level metadata.
           *  @dev            Caller should be authorized to setup contractURI, e.g. contract admin.
           *                  See {_canSetContractURI}.
           *                  Emits {ContractURIUpdated Event}.
           *
           *  @param _uri     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           */
          function setContractURI(string memory _uri) external override {
              if (!_canSetContractURI()) {
                  revert("Not authorized");
              }
              _setupContractURI(_uri);
          }
          /// @dev Lets a contract admin set the URI for contract-level metadata.
          function _setupContractURI(string memory _uri) internal {
              string memory prevURI = contractURI;
              contractURI = _uri;
              emit ContractURIUpdated(prevURI, _uri);
          }
          /// @dev Returns whether contract metadata can be set in the given execution context.
          function _canSetContractURI() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import { OperatorFiltererUpgradeable } from "./OperatorFiltererUpgradeable.sol";
      abstract contract DefaultOperatorFiltererUpgradeable is OperatorFiltererUpgradeable {
          address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);
          function __DefaultOperatorFilterer_init() internal {
              OperatorFiltererUpgradeable.__OperatorFilterer_init(DEFAULT_SUBSCRIPTION, true);
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IDrop1155.sol";
      import "../lib/MerkleProof.sol";
      abstract contract Drop1155 is IDrop1155 {
          /*///////////////////////////////////////////////////////////////
                                  State variables
          //////////////////////////////////////////////////////////////*/
          /// @dev Mapping from token ID => the set of all claim conditions, at any given moment, for tokens of the token ID.
          mapping(uint256 => ClaimConditionList) public claimCondition;
          /*///////////////////////////////////////////////////////////////
                                  Drop logic
          //////////////////////////////////////////////////////////////*/
          /// @dev Lets an account claim tokens.
          function claim(
              address _receiver,
              uint256 _tokenId,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof,
              bytes memory _data
          ) public payable virtual override {
              _beforeClaim(_tokenId, _receiver, _quantity, _currency, _pricePerToken, _allowlistProof, _data);
              uint256 activeConditionId = getActiveClaimConditionId(_tokenId);
              verifyClaim(
                  activeConditionId,
                  _dropMsgSender(),
                  _tokenId,
                  _quantity,
                  _currency,
                  _pricePerToken,
                  _allowlistProof
              );
              // Update contract state.
              claimCondition[_tokenId].conditions[activeConditionId].supplyClaimed += _quantity;
              claimCondition[_tokenId].supplyClaimedByWallet[activeConditionId][_dropMsgSender()] += _quantity;
              // If there's a price, collect price.
              collectPriceOnClaim(_tokenId, address(0), _quantity, _currency, _pricePerToken);
              // Mint the relevant NFTs to claimer.
              transferTokensOnClaim(_receiver, _tokenId, _quantity);
              emit TokensClaimed(activeConditionId, _dropMsgSender(), _receiver, _tokenId, _quantity);
              _afterClaim(_tokenId, _receiver, _quantity, _currency, _pricePerToken, _allowlistProof, _data);
          }
          /// @dev Lets a contract admin set claim conditions.
          function setClaimConditions(
              uint256 _tokenId,
              ClaimCondition[] calldata _conditions,
              bool _resetClaimEligibility
          ) external virtual override {
              if (!_canSetClaimConditions()) {
                  revert("Not authorized");
              }
              ClaimConditionList storage conditionList = claimCondition[_tokenId];
              uint256 existingStartIndex = conditionList.currentStartId;
              uint256 existingPhaseCount = conditionList.count;
              /**
               *  The mapping `supplyClaimedByWallet` uses a claim condition's UID as a key.
               *
               *  If `_resetClaimEligibility == true`, we assign completely new UIDs to the claim
               *  conditions in `_conditions`, effectively resetting the restrictions on claims expressed
               *  by `supplyClaimedByWallet`.
               */
              uint256 newStartIndex = existingStartIndex;
              if (_resetClaimEligibility) {
                  newStartIndex = existingStartIndex + existingPhaseCount;
              }
              conditionList.count = _conditions.length;
              conditionList.currentStartId = newStartIndex;
              uint256 lastConditionStartTimestamp;
              for (uint256 i = 0; i < _conditions.length; i++) {
                  require(i == 0 || lastConditionStartTimestamp < _conditions[i].startTimestamp, "ST");
                  uint256 supplyClaimedAlready = conditionList.conditions[newStartIndex + i].supplyClaimed;
                  if (supplyClaimedAlready > _conditions[i].maxClaimableSupply) {
                      revert("max supply claimed");
                  }
                  conditionList.conditions[newStartIndex + i] = _conditions[i];
                  conditionList.conditions[newStartIndex + i].supplyClaimed = supplyClaimedAlready;
                  lastConditionStartTimestamp = _conditions[i].startTimestamp;
              }
              /**
               *  Gas refunds (as much as possible)
               *
               *  If `_resetClaimEligibility == true`, we assign completely new UIDs to the claim
               *  conditions in `_conditions`. So, we delete claim conditions with UID < `newStartIndex`.
               *
               *  If `_resetClaimEligibility == false`, and there are more existing claim conditions
               *  than in `_conditions`, we delete the existing claim conditions that don't get replaced
               *  by the conditions in `_conditions`.
               */
              if (_resetClaimEligibility) {
                  for (uint256 i = existingStartIndex; i < newStartIndex; i++) {
                      delete conditionList.conditions[i];
                  }
              } else {
                  if (existingPhaseCount > _conditions.length) {
                      for (uint256 i = _conditions.length; i < existingPhaseCount; i++) {
                          delete conditionList.conditions[newStartIndex + i];
                      }
                  }
              }
              emit ClaimConditionsUpdated(_tokenId, _conditions, _resetClaimEligibility);
          }
          /// @dev Checks a request to claim NFTs against the active claim condition's criteria.
          function verifyClaim(
              uint256 _conditionId,
              address _claimer,
              uint256 _tokenId,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof
          ) public view returns (bool isOverride) {
              ClaimCondition memory currentClaimPhase = claimCondition[_tokenId].conditions[_conditionId];
              uint256 claimLimit = currentClaimPhase.quantityLimitPerWallet;
              uint256 claimPrice = currentClaimPhase.pricePerToken;
              address claimCurrency = currentClaimPhase.currency;
              if (currentClaimPhase.merkleRoot != bytes32(0)) {
                  (isOverride, ) = MerkleProof.verify(
                      _allowlistProof.proof,
                      currentClaimPhase.merkleRoot,
                      keccak256(
                          abi.encodePacked(
                              _claimer,
                              _allowlistProof.quantityLimitPerWallet,
                              _allowlistProof.pricePerToken,
                              _allowlistProof.currency
                          )
                      )
                  );
              }
              if (isOverride) {
                  claimLimit = _allowlistProof.quantityLimitPerWallet != 0
                      ? _allowlistProof.quantityLimitPerWallet
                      : claimLimit;
                  claimPrice = _allowlistProof.pricePerToken != type(uint256).max
                      ? _allowlistProof.pricePerToken
                      : claimPrice;
                  claimCurrency = _allowlistProof.pricePerToken != type(uint256).max && _allowlistProof.currency != address(0)
                      ? _allowlistProof.currency
                      : claimCurrency;
              }
              uint256 supplyClaimedByWallet = claimCondition[_tokenId].supplyClaimedByWallet[_conditionId][_claimer];
              if (_currency != claimCurrency || _pricePerToken != claimPrice) {
                  revert("!PriceOrCurrency");
              }
              if (_quantity == 0 || (_quantity + supplyClaimedByWallet > claimLimit)) {
                  revert("!Qty");
              }
              if (currentClaimPhase.supplyClaimed + _quantity > currentClaimPhase.maxClaimableSupply) {
                  revert("!MaxSupply");
              }
              if (currentClaimPhase.startTimestamp > block.timestamp) {
                  revert("cant claim yet");
              }
          }
          /// @dev At any given moment, returns the uid for the active claim condition.
          function getActiveClaimConditionId(uint256 _tokenId) public view returns (uint256) {
              ClaimConditionList storage conditionList = claimCondition[_tokenId];
              for (uint256 i = conditionList.currentStartId + conditionList.count; i > conditionList.currentStartId; i--) {
                  if (block.timestamp >= conditionList.conditions[i - 1].startTimestamp) {
                      return i - 1;
                  }
              }
              revert("!CONDITION.");
          }
          /// @dev Returns the claim condition at the given uid.
          function getClaimConditionById(uint256 _tokenId, uint256 _conditionId)
              external
              view
              returns (ClaimCondition memory condition)
          {
              condition = claimCondition[_tokenId].conditions[_conditionId];
          }
          /// @dev Returns the supply claimed by claimer for a given conditionId.
          function getSupplyClaimedByWallet(
              uint256 _tokenId,
              uint256 _conditionId,
              address _claimer
          ) public view returns (uint256 supplyClaimedByWallet) {
              supplyClaimedByWallet = claimCondition[_tokenId].supplyClaimedByWallet[_conditionId][_claimer];
          }
          /*////////////////////////////////////////////////////////////////////
              Optional hooks that can be implemented in the derived contract
          ///////////////////////////////////////////////////////////////////*/
          /// @dev Exposes the ability to override the msg sender.
          function _dropMsgSender() internal virtual returns (address) {
              return msg.sender;
          }
          /// @dev Runs before every `claim` function call.
          function _beforeClaim(
              uint256 _tokenId,
              address _receiver,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof,
              bytes memory _data
          ) internal virtual {}
          /// @dev Runs after every `claim` function call.
          function _afterClaim(
              uint256 _tokenId,
              address _receiver,
              uint256 _quantity,
              address _currency,
              uint256 _pricePerToken,
              AllowlistProof calldata _allowlistProof,
              bytes memory _data
          ) internal virtual {}
          /*///////////////////////////////////////////////////////////////
              Virtual functions: to be implemented in derived contract
          //////////////////////////////////////////////////////////////*/
          /// @dev Collects and distributes the primary sale value of NFTs being claimed.
          function collectPriceOnClaim(
              uint256 _tokenId,
              address _primarySaleRecipient,
              uint256 _quantityToClaim,
              address _currency,
              uint256 _pricePerToken
          ) internal virtual;
          /// @dev Transfers the NFTs being claimed.
          function transferTokensOnClaim(
              address _to,
              uint256 _tokenId,
              uint256 _quantityBeingClaimed
          ) internal virtual;
          /// @dev Determine what wallet can update claim conditions
          function _canSetClaimConditions() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/ILazyMint.sol";
      import "./BatchMintMetadata.sol";
      /**
       *  The `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs
       *  at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually
       *  minting a non-zero balance of NFTs of those tokenIds.
       */
      abstract contract LazyMint is ILazyMint, BatchMintMetadata {
          /// @notice The tokenId assigned to the next new NFT to be lazy minted.
          uint256 internal nextTokenIdToLazyMint;
          /**
           *  @notice                  Lets an authorized address lazy mint a given amount of NFTs.
           *
           *  @param _amount           The number of NFTs to lazy mint.
           *  @param _baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each
           *                           of those NFTs is `${baseURIForTokens}/${tokenId}`.
           *  @param _data             Additional bytes data to be used at the discretion of the consumer of the contract.
           *  @return batchId          A unique integer identifier for the batch of NFTs lazy minted together.
           */
          function lazyMint(
              uint256 _amount,
              string calldata _baseURIForTokens,
              bytes calldata _data
          ) public virtual override returns (uint256 batchId) {
              if (!_canLazyMint()) {
                  revert("Not authorized");
              }
              if (_amount == 0) {
                  revert("0 amt");
              }
              uint256 startId = nextTokenIdToLazyMint;
              (nextTokenIdToLazyMint, batchId) = _batchMintMetadata(startId, _amount, _baseURIForTokens);
              emit TokensLazyMinted(startId, startId + _amount - 1, _baseURIForTokens, _data);
              return batchId;
          }
          /// @dev Returns whether lazy minting can be performed in the given execution context.
          function _canLazyMint() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IOperatorFilterToggle.sol";
      abstract contract OperatorFilterToggle is IOperatorFilterToggle {
          bool public operatorRestriction;
          function setOperatorRestriction(bool _restriction) external {
              require(_canSetOperatorRestriction(), "Not authorized to set operator restriction.");
              _setOperatorRestriction(_restriction);
          }
          function _setOperatorRestriction(bool _restriction) internal {
              operatorRestriction = _restriction;
              emit OperatorRestriction(_restriction);
          }
          function _canSetOperatorRestriction() internal virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IOperatorFilterRegistry.sol";
      import "./OperatorFilterToggle.sol";
      abstract contract OperatorFiltererUpgradeable is OperatorFilterToggle {
          error OperatorNotAllowed(address operator);
          IOperatorFilterRegistry constant OPERATOR_FILTER_REGISTRY =
              IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
          function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe) internal {
              // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
              // will not revert, but the contract will need to be registered with the registry once it is deployed in
              // order for the modifier to filter addresses.
              if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                  if (!OPERATOR_FILTER_REGISTRY.isRegistered(address(this))) {
                      if (subscribe) {
                          OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
                      } else {
                          if (subscriptionOrRegistrantToCopy != address(0)) {
                              OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                          } else {
                              OPERATOR_FILTER_REGISTRY.register(address(this));
                          }
                      }
                  }
              }
          }
          modifier onlyAllowedOperator(address from) virtual {
              // Check registry code length to facilitate testing in environments without a deployed registry.
              if (operatorRestriction) {
                  if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                      // Allow spending tokens from addresses with balance
                      // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
                      // from an EOA.
                      if (from == msg.sender) {
                          _;
                          return;
                      }
                      if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), msg.sender)) {
                          revert OperatorNotAllowed(msg.sender);
                      }
                  }
              }
              _;
          }
          modifier onlyAllowedOperatorApproval(address operator) virtual {
              // Check registry code length to facilitate testing in environments without a deployed registry.
              if (operatorRestriction) {
                  if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                      if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                          revert OperatorNotAllowed(operator);
                      }
                  }
              }
              _;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IOwnable.sol";
      /**
       *  @title   Ownable
       *  @notice  Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
       *           information about who the contract's owner is.
       */
      abstract contract Ownable is IOwnable {
          /// @dev Owner of the contract (purpose: OpenSea compatibility)
          address private _owner;
          /// @dev Reverts if caller is not the owner.
          modifier onlyOwner() {
              if (msg.sender != _owner) {
                  revert("Not authorized");
              }
              _;
          }
          /**
           *  @notice Returns the owner of the contract.
           */
          function owner() public view override returns (address) {
              return _owner;
          }
          /**
           *  @notice Lets an authorized wallet set a new owner for the contract.
           *  @param _newOwner The address to set as the new owner of the contract.
           */
          function setOwner(address _newOwner) external override {
              if (!_canSetOwner()) {
                  revert("Not authorized");
              }
              _setupOwner(_newOwner);
          }
          /// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin.
          function _setupOwner(address _newOwner) internal {
              address _prevOwner = _owner;
              _owner = _newOwner;
              emit OwnerUpdated(_prevOwner, _newOwner);
          }
          /// @dev Returns whether owner can be set in the given execution context.
          function _canSetOwner() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPermissions.sol";
      import "../lib/TWStrings.sol";
      /**
       *  @title   Permissions
       *  @dev     This contracts provides extending-contracts with role-based access control mechanisms
       */
      contract Permissions is IPermissions {
          /// @dev Map from keccak256 hash of a role => a map from address => whether address has role.
          mapping(bytes32 => mapping(address => bool)) private _hasRole;
          /// @dev Map from keccak256 hash of a role to role admin. See {getRoleAdmin}.
          mapping(bytes32 => bytes32) private _getRoleAdmin;
          /// @dev Default admin role for all roles. Only accounts with this role can grant/revoke other roles.
          bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
          /// @dev Modifier that checks if an account has the specified role; reverts otherwise.
          modifier onlyRole(bytes32 role) {
              _checkRole(role, msg.sender);
              _;
          }
          /**
           *  @notice         Checks whether an account has a particular role.
           *  @dev            Returns `true` if `account` has been granted `role`.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account for which the role is being checked.
           */
          function hasRole(bytes32 role, address account) public view override returns (bool) {
              return _hasRole[role][account];
          }
          /**
           *  @notice         Checks whether an account has a particular role;
           *                  role restrictions can be swtiched on and off.
           *
           *  @dev            Returns `true` if `account` has been granted `role`.
           *                  Role restrictions can be swtiched on and off:
           *                      - If address(0) has ROLE, then the ROLE restrictions
           *                        don't apply.
           *                      - If address(0) does not have ROLE, then the ROLE
           *                        restrictions will apply.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account for which the role is being checked.
           */
          function hasRoleWithSwitch(bytes32 role, address account) public view returns (bool) {
              if (!_hasRole[role][address(0)]) {
                  return _hasRole[role][account];
              }
              return true;
          }
          /**
           *  @notice         Returns the admin role that controls the specified role.
           *  @dev            See {grantRole} and {revokeRole}.
           *                  To change a role's admin, use {_setRoleAdmin}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           */
          function getRoleAdmin(bytes32 role) external view override returns (bytes32) {
              return _getRoleAdmin[role];
          }
          /**
           *  @notice         Grants a role to an account, if not previously granted.
           *  @dev            Caller must have admin role for the `role`.
           *                  Emits {RoleGranted Event}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account to which the role is being granted.
           */
          function grantRole(bytes32 role, address account) public virtual override {
              _checkRole(_getRoleAdmin[role], msg.sender);
              if (_hasRole[role][account]) {
                  revert("Can only grant to non holders");
              }
              _setupRole(role, account);
          }
          /**
           *  @notice         Revokes role from an account.
           *  @dev            Caller must have admin role for the `role`.
           *                  Emits {RoleRevoked Event}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account from which the role is being revoked.
           */
          function revokeRole(bytes32 role, address account) public virtual override {
              _checkRole(_getRoleAdmin[role], msg.sender);
              _revokeRole(role, account);
          }
          /**
           *  @notice         Revokes role from the account.
           *  @dev            Caller must have the `role`, with caller being the same as `account`.
           *                  Emits {RoleRevoked Event}.
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param account  Address of the account from which the role is being revoked.
           */
          function renounceRole(bytes32 role, address account) public virtual override {
              if (msg.sender != account) {
                  revert("Can only renounce for self");
              }
              _revokeRole(role, account);
          }
          /// @dev Sets `adminRole` as `role`'s admin role.
          function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
              bytes32 previousAdminRole = _getRoleAdmin[role];
              _getRoleAdmin[role] = adminRole;
              emit RoleAdminChanged(role, previousAdminRole, adminRole);
          }
          /// @dev Sets up `role` for `account`
          function _setupRole(bytes32 role, address account) internal virtual {
              _hasRole[role][account] = true;
              emit RoleGranted(role, account, msg.sender);
          }
          /// @dev Revokes `role` from `account`
          function _revokeRole(bytes32 role, address account) internal virtual {
              _checkRole(role, account);
              delete _hasRole[role][account];
              emit RoleRevoked(role, account, msg.sender);
          }
          /// @dev Checks `role` for `account`. Reverts with a message including the required role.
          function _checkRole(bytes32 role, address account) internal view virtual {
              if (!_hasRole[role][account]) {
                  revert(
                      string(
                          abi.encodePacked(
                              "Permissions: account ",
                              TWStrings.toHexString(uint160(account), 20),
                              " is missing role ",
                              TWStrings.toHexString(uint256(role), 32)
                          )
                      )
                  );
              }
          }
          /// @dev Checks `role` for `account`. Reverts with a message including the required role.
          function _checkRoleWithSwitch(bytes32 role, address account) internal view virtual {
              if (!hasRoleWithSwitch(role, account)) {
                  revert(
                      string(
                          abi.encodePacked(
                              "Permissions: account ",
                              TWStrings.toHexString(uint160(account), 20),
                              " is missing role ",
                              TWStrings.toHexString(uint256(role), 32)
                          )
                      )
                  );
              }
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPermissionsEnumerable.sol";
      import "./Permissions.sol";
      /**
       *  @title   PermissionsEnumerable
       *  @dev     This contracts provides extending-contracts with role-based access control mechanisms.
       *           Also provides interfaces to view all members with a given role, and total count of members.
       */
      contract PermissionsEnumerable is IPermissionsEnumerable, Permissions {
          /**
           *  @notice A data structure to store data of members for a given role.
           *
           *  @param index    Current index in the list of accounts that have a role.
           *  @param members  map from index => address of account that has a role
           *  @param indexOf  map from address => index which the account has.
           */
          struct RoleMembers {
              uint256 index;
              mapping(uint256 => address) members;
              mapping(address => uint256) indexOf;
          }
          /// @dev map from keccak256 hash of a role to its members' data. See {RoleMembers}.
          mapping(bytes32 => RoleMembers) private roleMembers;
          /**
           *  @notice         Returns the role-member from a list of members for a role,
           *                  at a given index.
           *  @dev            Returns `member` who has `role`, at `index` of role-members list.
           *                  See struct {RoleMembers}, and mapping {roleMembers}
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *  @param index    Index in list of current members for the role.
           *
           *  @return member  Address of account that has `role`
           */
          function getRoleMember(bytes32 role, uint256 index) external view override returns (address member) {
              uint256 currentIndex = roleMembers[role].index;
              uint256 check;
              for (uint256 i = 0; i < currentIndex; i += 1) {
                  if (roleMembers[role].members[i] != address(0)) {
                      if (check == index) {
                          member = roleMembers[role].members[i];
                          return member;
                      }
                      check += 1;
                  } else if (hasRole(role, address(0)) && i == roleMembers[role].indexOf[address(0)]) {
                      check += 1;
                  }
              }
          }
          /**
           *  @notice         Returns total number of accounts that have a role.
           *  @dev            Returns `count` of accounts that have `role`.
           *                  See struct {RoleMembers}, and mapping {roleMembers}
           *
           *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
           *
           *  @return count   Total number of accounts that have `role`
           */
          function getRoleMemberCount(bytes32 role) external view override returns (uint256 count) {
              uint256 currentIndex = roleMembers[role].index;
              for (uint256 i = 0; i < currentIndex; i += 1) {
                  if (roleMembers[role].members[i] != address(0)) {
                      count += 1;
                  }
              }
              if (hasRole(role, address(0))) {
                  count += 1;
              }
          }
          /// @dev Revokes `role` from `account`, and removes `account` from {roleMembers}
          ///      See {_removeMember}
          function _revokeRole(bytes32 role, address account) internal override {
              super._revokeRole(role, account);
              _removeMember(role, account);
          }
          /// @dev Grants `role` to `account`, and adds `account` to {roleMembers}
          ///      See {_addMember}
          function _setupRole(bytes32 role, address account) internal override {
              super._setupRole(role, account);
              _addMember(role, account);
          }
          /// @dev adds `account` to {roleMembers}, for `role`
          function _addMember(bytes32 role, address account) internal {
              uint256 idx = roleMembers[role].index;
              roleMembers[role].index += 1;
              roleMembers[role].members[idx] = account;
              roleMembers[role].indexOf[account] = idx;
          }
          /// @dev removes `account` from {roleMembers}, for `role`
          function _removeMember(bytes32 role, address account) internal {
              uint256 idx = roleMembers[role].indexOf[account];
              delete roleMembers[role].members[idx];
              delete roleMembers[role].indexOf[account];
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPlatformFee.sol";
      /**
       *  @title   Platform Fee
       *  @notice  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
       *           that uses information about platform fees, if desired.
       */
      abstract contract PlatformFee is IPlatformFee {
          /// @dev The address that receives all platform fees from all sales.
          address private platformFeeRecipient;
          /// @dev The % of primary sales collected as platform fees.
          uint16 private platformFeeBps;
          /// @dev Returns the platform fee recipient and bps.
          function getPlatformFeeInfo() public view override returns (address, uint16) {
              return (platformFeeRecipient, uint16(platformFeeBps));
          }
          /**
           *  @notice         Updates the platform fee recipient and bps.
           *  @dev            Caller should be authorized to set platform fee info.
           *                  See {_canSetPlatformFeeInfo}.
           *                  Emits {PlatformFeeInfoUpdated Event}; See {_setupPlatformFeeInfo}.
           *
           *  @param _platformFeeRecipient   Address to be set as new platformFeeRecipient.
           *  @param _platformFeeBps         Updated platformFeeBps.
           */
          function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external override {
              if (!_canSetPlatformFeeInfo()) {
                  revert("Not authorized");
              }
              _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);
          }
          /// @dev Lets a contract admin update the platform fee recipient and bps
          function _setupPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) internal {
              if (_platformFeeBps > 10_000) {
                  revert("Exceeds max bps");
              }
              platformFeeBps = uint16(_platformFeeBps);
              platformFeeRecipient = _platformFeeRecipient;
              emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps);
          }
          /// @dev Returns whether platform fee info can be set in the given execution context.
          function _canSetPlatformFeeInfo() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IPrimarySale.sol";
      /**
       *  @title   Primary Sale
       *  @notice  Thirdweb's `PrimarySale` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about
       *           primary sales, if desired.
       */
      abstract contract PrimarySale is IPrimarySale {
          /// @dev The address that receives all primary sales value.
          address private recipient;
          /// @dev Returns primary sale recipient address.
          function primarySaleRecipient() public view override returns (address) {
              return recipient;
          }
          /**
           *  @notice         Updates primary sale recipient.
           *  @dev            Caller should be authorized to set primary sales info.
           *                  See {_canSetPrimarySaleRecipient}.
           *                  Emits {PrimarySaleRecipientUpdated Event}; See {_setupPrimarySaleRecipient}.
           *
           *  @param _saleRecipient   Address to be set as new recipient of primary sales.
           */
          function setPrimarySaleRecipient(address _saleRecipient) external override {
              if (!_canSetPrimarySaleRecipient()) {
                  revert("Not authorized");
              }
              _setupPrimarySaleRecipient(_saleRecipient);
          }
          /// @dev Lets a contract admin set the recipient for all primary sales.
          function _setupPrimarySaleRecipient(address _saleRecipient) internal {
              recipient = _saleRecipient;
              emit PrimarySaleRecipientUpdated(_saleRecipient);
          }
          /// @dev Returns whether primary sale recipient can be set in the given execution context.
          function _canSetPrimarySaleRecipient() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./interface/IRoyalty.sol";
      /**
       *  @title   Royalty
       *  @notice  Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *           the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic
       *           that uses information about royalty fees, if desired.
       *
       *  @dev     The `Royalty` contract is ERC2981 compliant.
       */
      abstract contract Royalty is IRoyalty {
          /// @dev The (default) address that receives all royalty value.
          address private royaltyRecipient;
          /// @dev The (default) % of a sale to take as royalty (in basis points).
          uint16 private royaltyBps;
          /// @dev Token ID => royalty recipient and bps for token
          mapping(uint256 => RoyaltyInfo) private royaltyInfoForToken;
          /**
           *  @notice   View royalty info for a given token and sale price.
           *  @dev      Returns royalty amount and recipient for `tokenId` and `salePrice`.
           *  @param tokenId          The tokenID of the NFT for which to query royalty info.
           *  @param salePrice        Sale price of the token.
           *
           *  @return receiver        Address of royalty recipient account.
           *  @return royaltyAmount   Royalty amount calculated at current royaltyBps value.
           */
          function royaltyInfo(uint256 tokenId, uint256 salePrice)
              external
              view
              virtual
              override
              returns (address receiver, uint256 royaltyAmount)
          {
              (address recipient, uint256 bps) = getRoyaltyInfoForToken(tokenId);
              receiver = recipient;
              royaltyAmount = (salePrice * bps) / 10_000;
          }
          /**
           *  @notice          View royalty info for a given token.
           *  @dev             Returns royalty recipient and bps for `_tokenId`.
           *  @param _tokenId  The tokenID of the NFT for which to query royalty info.
           */
          function getRoyaltyInfoForToken(uint256 _tokenId) public view override returns (address, uint16) {
              RoyaltyInfo memory royaltyForToken = royaltyInfoForToken[_tokenId];
              return
                  royaltyForToken.recipient == address(0)
                      ? (royaltyRecipient, uint16(royaltyBps))
                      : (royaltyForToken.recipient, uint16(royaltyForToken.bps));
          }
          /**
           *  @notice Returns the defualt royalty recipient and BPS for this contract's NFTs.
           */
          function getDefaultRoyaltyInfo() external view override returns (address, uint16) {
              return (royaltyRecipient, uint16(royaltyBps));
          }
          /**
           *  @notice         Updates default royalty recipient and bps.
           *  @dev            Caller should be authorized to set royalty info.
           *                  See {_canSetRoyaltyInfo}.
           *                  Emits {DefaultRoyalty Event}; See {_setupDefaultRoyaltyInfo}.
           *
           *  @param _royaltyRecipient   Address to be set as default royalty recipient.
           *  @param _royaltyBps         Updated royalty bps.
           */
          function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external override {
              if (!_canSetRoyaltyInfo()) {
                  revert("Not authorized");
              }
              _setupDefaultRoyaltyInfo(_royaltyRecipient, _royaltyBps);
          }
          /// @dev Lets a contract admin update the default royalty recipient and bps.
          function _setupDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) internal {
              if (_royaltyBps > 10_000) {
                  revert("Exceeds max bps");
              }
              royaltyRecipient = _royaltyRecipient;
              royaltyBps = uint16(_royaltyBps);
              emit DefaultRoyalty(_royaltyRecipient, _royaltyBps);
          }
          /**
           *  @notice         Updates default royalty recipient and bps for a particular token.
           *  @dev            Sets royalty info for `_tokenId`. Caller should be authorized to set royalty info.
           *                  See {_canSetRoyaltyInfo}.
           *                  Emits {RoyaltyForToken Event}; See {_setupRoyaltyInfoForToken}.
           *
           *  @param _recipient   Address to be set as royalty recipient for given token Id.
           *  @param _bps         Updated royalty bps for the token Id.
           */
          function setRoyaltyInfoForToken(
              uint256 _tokenId,
              address _recipient,
              uint256 _bps
          ) external override {
              if (!_canSetRoyaltyInfo()) {
                  revert("Not authorized");
              }
              _setupRoyaltyInfoForToken(_tokenId, _recipient, _bps);
          }
          /// @dev Lets a contract admin set the royalty recipient and bps for a particular token Id.
          function _setupRoyaltyInfoForToken(
              uint256 _tokenId,
              address _recipient,
              uint256 _bps
          ) internal {
              if (_bps > 10_000) {
                  revert("Exceeds max bps");
              }
              royaltyInfoForToken[_tokenId] = RoyaltyInfo({ recipient: _recipient, bps: _bps });
              emit RoyaltyForToken(_tokenId, _recipient, _bps);
          }
          /// @dev Returns whether royalty info can be set in the given execution context.
          function _canSetRoyaltyInfo() internal view virtual returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  The interface `IClaimCondition` is written for thirdweb's 'Drop' contracts, which are distribution mechanisms for tokens.
       *
       *  A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten
       *  or added to by the contract admin. At any moment, there is only one active claim condition.
       */
      interface IClaimCondition {
          /**
           *  @notice The criteria that make up a claim condition.
           *
           *  @param startTimestamp                 The unix timestamp after which the claim condition applies.
           *                                        The same claim condition applies until the `startTimestamp`
           *                                        of the next claim condition.
           *
           *  @param maxClaimableSupply             The maximum total number of tokens that can be claimed under
           *                                        the claim condition.
           *
           *  @param supplyClaimed                  At any given point, the number of tokens that have been claimed
           *                                        under the claim condition.
           *
           *  @param quantityLimitPerWallet         The maximum number of tokens that can be claimed by a wallet.
           *
           *  @param merkleRoot                     The allowlist of addresses that can claim tokens under the claim
           *                                        condition.
           *
           *  @param pricePerToken                  The price required to pay per token claimed.
           *
           *  @param currency                       The currency in which the `pricePerToken` must be paid.
           *
           *  @param metadata                       Claim condition metadata.
           */
          struct ClaimCondition {
              uint256 startTimestamp;
              uint256 maxClaimableSupply;
              uint256 supplyClaimed;
              uint256 quantityLimitPerWallet;
              bytes32 merkleRoot;
              uint256 pricePerToken;
              address currency;
              string metadata;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./IClaimCondition.sol";
      /**
       *  The interface `IClaimConditionMultiPhase` is written for thirdweb's 'Drop' contracts, which are distribution mechanisms for tokens.
       *
       *  An authorized wallet can set a series of claim conditions, ordered by their respective `startTimestamp`.
       *  A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten
       *  or added to by the contract admin. At any moment, there is only one active claim condition.
       */
      interface IClaimConditionMultiPhase is IClaimCondition {
          /**
           *  @notice The set of all claim conditions, at any given moment.
           *  Claim Phase ID = [currentStartId, currentStartId + length - 1];
           *
           *  @param currentStartId           The uid for the first claim condition amongst the current set of
           *                                  claim conditions. The uid for each next claim condition is one
           *                                  more than the previous claim condition's uid.
           *
           *  @param count                    The total number of phases / claim conditions in the list
           *                                  of claim conditions.
           *
           *  @param conditions                   The claim conditions at a given uid. Claim conditions
           *                                  are ordered in an ascending order by their `startTimestamp`.
           *
           *  @param supplyClaimedByWallet    Map from a claim condition uid and account to supply claimed by account.
           */
          struct ClaimConditionList {
              uint256 currentStartId;
              uint256 count;
              mapping(uint256 => ClaimCondition) conditions;
              mapping(uint256 => mapping(address => uint256)) supplyClaimedByWallet;
          }
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
       *  for you contract.
       *
       *  Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
       */
      interface IContractMetadata {
          /// @dev Returns the metadata URI of the contract.
          function contractURI() external view returns (string memory);
          /**
           *  @dev Sets contract URI for the storefront-level metadata of the contract.
           *       Only module admin can call this function.
           */
          function setContractURI(string calldata _uri) external;
          /// @dev Emitted when the contract URI is updated.
          event ContractURIUpdated(string prevURI, string newURI);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./IClaimConditionMultiPhase.sol";
      /**
       *  The interface `IDrop1155` is written for thirdweb's 'Drop' contracts, which are distribution mechanisms for tokens.
       *
       *  An authorized wallet can set a series of claim conditions, ordered by their respective `startTimestamp`.
       *  A claim condition defines criteria under which accounts can mint tokens. Claim conditions can be overwritten
       *  or added to by the contract admin. At any moment, there is only one active claim condition.
       */
      interface IDrop1155 is IClaimConditionMultiPhase {
          /**
           *  @param proof Prood of concerned wallet's inclusion in an allowlist.
           *  @param quantityLimitPerWallet The total quantity of tokens the allowlisted wallet is eligible to claim over time.
           *  @param pricePerToken The price per token the allowlisted wallet must pay to claim tokens.
           *  @param currency The currency in which the allowlisted wallet must pay the price for claiming tokens.
           */
          struct AllowlistProof {
              bytes32[] proof;
              uint256 quantityLimitPerWallet;
              uint256 pricePerToken;
              address currency;
          }
          /// @notice Emitted when tokens are claimed.
          event TokensClaimed(
              uint256 indexed claimConditionIndex,
              address indexed claimer,
              address indexed receiver,
              uint256 tokenId,
              uint256 quantityClaimed
          );
          /// @notice Emitted when the contract's claim conditions are updated.
          event ClaimConditionsUpdated(uint256 indexed tokenId, ClaimCondition[] claimConditions, bool resetEligibility);
          /**
           *  @notice Lets an account claim a given quantity of NFTs.
           *
           *  @param receiver                       The receiver of the NFTs to claim.
           *  @param tokenId                        The tokenId of the NFT to claim.
           *  @param quantity                       The quantity of NFTs to claim.
           *  @param currency                       The currency in which to pay for the claim.
           *  @param pricePerToken                  The price per token to pay for the claim.
           *  @param allowlistProof                 The proof of the claimer's inclusion in the merkle root allowlist
           *                                        of the claim conditions that apply.
           *  @param data                           Arbitrary bytes data that can be leveraged in the implementation of this interface.
           */
          function claim(
              address receiver,
              uint256 tokenId,
              uint256 quantity,
              address currency,
              uint256 pricePerToken,
              AllowlistProof calldata allowlistProof,
              bytes memory data
          ) external payable;
          /**
           *  @notice Lets a contract admin (account with `DEFAULT_ADMIN_ROLE`) set claim conditions.
           *
           *  @param tokenId                  The token ID for which to set mint conditions.
           *  @param phases                   Claim conditions in ascending order by `startTimestamp`.
           *
           *  @param resetClaimEligibility    Whether to honor the restrictions applied to wallets who have claimed tokens in the current conditions,
           *                                  in the new claim conditions being set.
           *
           */
          function setClaimConditions(
              uint256 tokenId,
              ClaimCondition[] calldata phases,
              bool resetClaimEligibility
          ) external;
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs
       *  at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually
       *  minting a non-zero balance of NFTs of those tokenIds.
       */
      interface ILazyMint {
          /// @dev Emitted when tokens are lazy minted.
          event TokensLazyMinted(uint256 indexed startTokenId, uint256 endTokenId, string baseURI, bytes encryptedBaseURI);
          /**
           *  @notice Lazy mints a given amount of NFTs.
           *
           *  @param amount           The number of NFTs to lazy mint.
           *
           *  @param baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each
           *                          of those NFTs is `${baseURIForTokens}/${tokenId}`.
           *
           *  @param extraData        Additional bytes data to be used at the discretion of the consumer of the contract.
           *
           *  @return batchId         A unique integer identifier for the batch of NFTs lazy minted together.
           */
          function lazyMint(
              uint256 amount,
              string calldata baseURIForTokens,
              bytes calldata extraData
          ) external returns (uint256 batchId);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      interface IOperatorFilterRegistry {
          function isOperatorAllowed(address registrant, address operator) external view returns (bool);
          function register(address registrant) external;
          function registerAndSubscribe(address registrant, address subscription) external;
          function registerAndCopyEntries(address registrant, address registrantToCopy) external;
          function unregister(address addr) external;
          function updateOperator(
              address registrant,
              address operator,
              bool filtered
          ) external;
          function updateOperators(
              address registrant,
              address[] calldata operators,
              bool filtered
          ) external;
          function updateCodeHash(
              address registrant,
              bytes32 codehash,
              bool filtered
          ) external;
          function updateCodeHashes(
              address registrant,
              bytes32[] calldata codeHashes,
              bool filtered
          ) external;
          function subscribe(address registrant, address registrantToSubscribe) external;
          function unsubscribe(address registrant, bool copyExistingEntries) external;
          function subscriptionOf(address addr) external returns (address registrant);
          function subscribers(address registrant) external returns (address[] memory);
          function subscriberAt(address registrant, uint256 index) external returns (address);
          function copyEntriesOf(address registrant, address registrantToCopy) external;
          function isOperatorFiltered(address registrant, address operator) external returns (bool);
          function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
          function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
          function filteredOperators(address addr) external returns (address[] memory);
          function filteredCodeHashes(address addr) external returns (bytes32[] memory);
          function filteredOperatorAt(address registrant, uint256 index) external returns (address);
          function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
          function isRegistered(address addr) external returns (bool);
          function codeHashOf(address addr) external returns (bytes32);
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      interface IOperatorFilterToggle {
          event OperatorRestriction(bool restriction);
          function operatorRestriction() external view returns (bool);
          function setOperatorRestriction(bool restriction) external;
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
       *  information about who the contract's owner is.
       */
      interface IOwnable {
          /// @dev Returns the owner of the contract.
          function owner() external view returns (address);
          /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.
          function setOwner(address _newOwner) external;
          /// @dev Emitted when a new Owner is set.
          event OwnerUpdated(address indexed prevOwner, address indexed newOwner);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev External interface of AccessControl declared to support ERC165 detection.
       */
      interface IPermissions {
          /**
           * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
           *
           * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
           * {RoleAdminChanged} not being emitted signaling this.
           *
           * _Available since v3.1._
           */
          event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
          /**
           * @dev Emitted when `account` is granted `role`.
           *
           * `sender` is the account that originated the contract call, an admin role
           * bearer except when using {AccessControl-_setupRole}.
           */
          event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
          /**
           * @dev Emitted when `account` is revoked `role`.
           *
           * `sender` is the account that originated the contract call:
           *   - if using `revokeRole`, it is the admin role bearer
           *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
           */
          event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
          /**
           * @dev Returns `true` if `account` has been granted `role`.
           */
          function hasRole(bytes32 role, address account) external view returns (bool);
          /**
           * @dev Returns the admin role that controls `role`. See {grantRole} and
           * {revokeRole}.
           *
           * To change a role's admin, use {AccessControl-_setRoleAdmin}.
           */
          function getRoleAdmin(bytes32 role) external view returns (bytes32);
          /**
           * @dev Grants `role` to `account`.
           *
           * If `account` had not been already granted `role`, emits a {RoleGranted}
           * event.
           *
           * Requirements:
           *
           * - the caller must have ``role``'s admin role.
           */
          function grantRole(bytes32 role, address account) external;
          /**
           * @dev Revokes `role` from `account`.
           *
           * If `account` had been granted `role`, emits a {RoleRevoked} event.
           *
           * Requirements:
           *
           * - the caller must have ``role``'s admin role.
           */
          function revokeRole(bytes32 role, address account) external;
          /**
           * @dev Revokes `role` from the calling account.
           *
           * Roles are often managed via {grantRole} and {revokeRole}: this function's
           * purpose is to provide a mechanism for accounts to lose their privileges
           * if they are compromised (such as when a trusted device is misplaced).
           *
           * If the calling account had been granted `role`, emits a {RoleRevoked}
           * event.
           *
           * Requirements:
           *
           * - the caller must be `account`.
           */
          function renounceRole(bytes32 role, address account) external;
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "./IPermissions.sol";
      /**
       * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
       */
      interface IPermissionsEnumerable is IPermissions {
          /**
           * @dev Returns one of the accounts that have `role`. `index` must be a
           * value between 0 and {getRoleMemberCount}, non-inclusive.
           *
           * Role bearers are not sorted in any particular way, and their ordering may
           * change at any point.
           *
           * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
           * you perform all queries on the same block. See the following
           * [forum post](https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296)
           * for more information.
           */
          function getRoleMember(bytes32 role, uint256 index) external view returns (address);
          /**
           * @dev Returns the number of accounts that have `role`. Can be used
           * together with {getRoleMember} to enumerate all bearers of a role.
           */
          function getRoleMemberCount(bytes32 role) external view returns (uint256);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
       *  that uses information about platform fees, if desired.
       */
      interface IPlatformFee {
          /// @dev Returns the platform fee bps and recipient.
          function getPlatformFeeInfo() external view returns (address, uint16);
          /// @dev Lets a module admin update the fees on primary sales.
          function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;
          /// @dev Emitted when fee on primary sales is updated.
          event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       *  Thirdweb's `Primary` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  the recipient of primary sales, and lets the inheriting contract perform conditional logic that uses information about
       *  primary sales, if desired.
       */
      interface IPrimarySale {
          /// @dev The adress that receives all primary sales value.
          function primarySaleRecipient() external view returns (address);
          /// @dev Lets a module admin set the default recipient of all primary sales.
          function setPrimarySaleRecipient(address _saleRecipient) external;
          /// @dev Emitted when a new sale recipient is set.
          event PrimarySaleRecipientUpdated(address indexed recipient);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      import "../../eip/interface/IERC2981.sol";
      /**
       *  Thirdweb's `Royalty` is a contract extension to be used with any base contract. It exposes functions for setting and reading
       *  the recipient of royalty fee and the royalty fee basis points, and lets the inheriting contract perform conditional logic
       *  that uses information about royalty fees, if desired.
       *
       *  The `Royalty` contract is ERC2981 compliant.
       */
      interface IRoyalty is IERC2981 {
          struct RoyaltyInfo {
              address recipient;
              uint256 bps;
          }
          /// @dev Returns the royalty recipient and fee bps.
          function getDefaultRoyaltyInfo() external view returns (address, uint16);
          /// @dev Lets a module admin update the royalty bps and recipient.
          function setDefaultRoyaltyInfo(address _royaltyRecipient, uint256 _royaltyBps) external;
          /// @dev Lets a module admin set the royalty recipient for a particular token Id.
          function setRoyaltyInfoForToken(
              uint256 tokenId,
              address recipient,
              uint256 bps
          ) external;
          /// @dev Returns the royalty recipient for a particular token Id.
          function getRoyaltyInfoForToken(uint256 tokenId) external view returns (address, uint16);
          /// @dev Emitted when royalty info is updated.
          event DefaultRoyalty(address indexed newRoyaltyRecipient, uint256 newRoyaltyBps);
          /// @dev Emitted when royalty recipient for tokenId is set
          event RoyaltyForToken(uint256 indexed tokenId, address indexed royaltyRecipient, uint256 royaltyBps);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      interface IWETH {
          function deposit() external payable;
          function withdraw(uint256 amount) external;
          function transfer(address to, uint256 value) external returns (bool);
      }
      // SPDX-License-Identifier: Apache-2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      // Helper interfaces
      import { IWETH } from "../interfaces/IWETH.sol";
      import "../openzeppelin-presets/token/ERC20/utils/SafeERC20.sol";
      library CurrencyTransferLib {
          using SafeERC20 for IERC20;
          /// @dev The address interpreted as native token of the chain.
          address public constant NATIVE_TOKEN = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
          /// @dev Transfers a given amount of currency.
          function transferCurrency(
              address _currency,
              address _from,
              address _to,
              uint256 _amount
          ) internal {
              if (_amount == 0) {
                  return;
              }
              if (_currency == NATIVE_TOKEN) {
                  safeTransferNativeToken(_to, _amount);
              } else {
                  safeTransferERC20(_currency, _from, _to, _amount);
              }
          }
          /// @dev Transfers a given amount of currency. (With native token wrapping)
          function transferCurrencyWithWrapper(
              address _currency,
              address _from,
              address _to,
              uint256 _amount,
              address _nativeTokenWrapper
          ) internal {
              if (_amount == 0) {
                  return;
              }
              if (_currency == NATIVE_TOKEN) {
                  if (_from == address(this)) {
                      // withdraw from weth then transfer withdrawn native token to recipient
                      IWETH(_nativeTokenWrapper).withdraw(_amount);
                      safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
                  } else if (_to == address(this)) {
                      // store native currency in weth
                      require(_amount == msg.value, "msg.value != amount");
                      IWETH(_nativeTokenWrapper).deposit{ value: _amount }();
                  } else {
                      safeTransferNativeTokenWithWrapper(_to, _amount, _nativeTokenWrapper);
                  }
              } else {
                  safeTransferERC20(_currency, _from, _to, _amount);
              }
          }
          /// @dev Transfer `amount` of ERC20 token from `from` to `to`.
          function safeTransferERC20(
              address _currency,
              address _from,
              address _to,
              uint256 _amount
          ) internal {
              if (_from == _to) {
                  return;
              }
              if (_from == address(this)) {
                  IERC20(_currency).safeTransfer(_to, _amount);
              } else {
                  IERC20(_currency).safeTransferFrom(_from, _to, _amount);
              }
          }
          /// @dev Transfers `amount` of native token to `to`.
          function safeTransferNativeToken(address to, uint256 value) internal {
              // solhint-disable avoid-low-level-calls
              // slither-disable-next-line low-level-calls
              (bool success, ) = to.call{ value: value }("");
              require(success, "native token transfer failed");
          }
          /// @dev Transfers `amount` of native token to `to`. (With native token wrapping)
          function safeTransferNativeTokenWithWrapper(
              address to,
              uint256 value,
              address _nativeTokenWrapper
          ) internal {
              // solhint-disable avoid-low-level-calls
              // slither-disable-next-line low-level-calls
              (bool success, ) = to.call{ value: value }("");
              if (!success) {
                  IWETH(_nativeTokenWrapper).deposit{ value: value }();
                  IERC20(_nativeTokenWrapper).safeTransfer(to, value);
              }
          }
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev These functions deal with verification of Merkle Trees proofs.
       *
       * The proofs can be generated using the JavaScript library
       * https://github.com/miguelmota/merkletreejs[merkletreejs].
       * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
       *
       * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
       *
       * Source: https://github.com/ensdomains/governance/blob/master/contracts/MerkleProof.sol
       */
      library MerkleProof {
          /**
           * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
           * defined by `root`. For this, a `proof` must be provided, containing
           * sibling hashes on the branch from the leaf to the root of the tree. Each
           * pair of leaves and each pair of pre-images are assumed to be sorted.
           */
          function verify(
              bytes32[] memory proof,
              bytes32 root,
              bytes32 leaf
          ) internal pure returns (bool, uint256) {
              bytes32 computedHash = leaf;
              uint256 index = 0;
              for (uint256 i = 0; i < proof.length; i++) {
                  index *= 2;
                  bytes32 proofElement = proof[i];
                  if (computedHash <= proofElement) {
                      // Hash(current computed hash + current element of the proof)
                      computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
                  } else {
                      // Hash(current element of the proof + current computed hash)
                      computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
                      index += 1;
                  }
              }
              // Check if the computed hash (root) is equal to the provided root
              return (computedHash == root, index);
          }
      }
      // SPDX-License-Identifier: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev Collection of functions related to the address type
       */
      library TWAddress {
          /**
           * @dev Returns true if `account` is a contract.
           *
           * [IMPORTANT]
           * ====
           * It is unsafe to assume that an address for which this function returns
           * false is an externally-owned account (EOA) and not a contract.
           *
           * Among others, `isContract` will return false for the following
           * types of addresses:
           *
           *  - an externally-owned account
           *  - a contract in construction
           *  - an address where a contract will be created
           *  - an address where a contract lived, but was destroyed
           * ====
           *
           * [IMPORTANT]
           * ====
           * You shouldn't rely on `isContract` to protect against flash loan attacks!
           *
           * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
           * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
           * constructor.
           * ====
           */
          function isContract(address account) internal view returns (bool) {
              // This method relies on extcodesize/address.code.length, which returns 0
              // for contracts in construction, since the code is only stored at the end
              // of the constructor execution.
              return account.code.length > 0;
          }
          /**
           * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
           * `recipient`, forwarding all available gas and reverting on errors.
           *
           * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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: Apache 2.0
      pragma solidity ^0.8.0;
      /// @author thirdweb
      /**
       * @dev String operations.
       */
      library TWStrings {
          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 v4.4.0 (metatx/ERC2771Context.sol)
      pragma solidity ^0.8.11;
      import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
      import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
      /**
       * @dev Context variant with ERC2771 support.
       */
      abstract contract ERC2771ContextUpgradeable is Initializable, ContextUpgradeable {
          mapping(address => bool) private _trustedForwarder;
          function __ERC2771Context_init(address[] memory trustedForwarder) internal onlyInitializing {
              __Context_init_unchained();
              __ERC2771Context_init_unchained(trustedForwarder);
          }
          function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal onlyInitializing {
              for (uint256 i = 0; i < trustedForwarder.length; i++) {
                  _trustedForwarder[trustedForwarder[i]] = true;
              }
          }
          function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
              return _trustedForwarder[forwarder];
          }
          function _msgSender() internal view virtual override returns (address sender) {
              if (isTrustedForwarder(msg.sender)) {
                  // The assembly code is more direct than the Solidity version using `abi.decode`.
                  assembly {
                      sender := shr(96, calldataload(sub(calldatasize(), 20)))
                  }
              } else {
                  return super._msgSender();
              }
          }
          function _msgData() internal view virtual override returns (bytes calldata) {
              if (isTrustedForwarder(msg.sender)) {
                  return msg.data[:msg.data.length - 20];
              } else {
                  return super._msgData();
              }
          }
          uint256[49] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
      pragma solidity ^0.8.0;
      import "../../../../eip/interface/IERC20.sol";
      import "../../../../lib/TWAddress.sol";
      /**
       * @title SafeERC20
       * @dev Wrappers around ERC20 operations that throw on failure (when the token
       * contract returns false). Tokens that return no value (and instead revert or
       * throw on failure) are also supported, non-reverting calls are assumed to be
       * successful.
       * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
       * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
       */
      library SafeERC20 {
          using TWAddress for address;
          function safeTransfer(
              IERC20 token,
              address to,
              uint256 value
          ) internal {
              _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
          }
          function safeTransferFrom(
              IERC20 token,
              address from,
              address to,
              uint256 value
          ) internal {
              _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
          }
          /**
           * @dev Deprecated. This function has issues similar to the ones found in
           * {IERC20-approve}, and its usage is discouraged.
           *
           * Whenever possible, use {safeIncreaseAllowance} and
           * {safeDecreaseAllowance} instead.
           */
          function safeApprove(
              IERC20 token,
              address spender,
              uint256 value
          ) internal {
              // safeApprove should only be called when setting an initial allowance,
              // or when resetting it to zero. To increase and decrease it, use
              // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
              require(
                  (value == 0) || (token.allowance(address(this), spender) == 0),
                  "SafeERC20: approve from non-zero to non-zero allowance"
              );
              _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
          }
          function safeIncreaseAllowance(
              IERC20 token,
              address spender,
              uint256 value
          ) internal {
              uint256 newAllowance = token.allowance(address(this), spender) + value;
              _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
          }
          function safeDecreaseAllowance(
              IERC20 token,
              address spender,
              uint256 value
          ) internal {
              unchecked {
                  uint256 oldAllowance = token.allowance(address(this), spender);
                  require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
                  uint256 newAllowance = oldAllowance - value;
                  _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
              }
          }
          /**
           * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
           * on the return value: the return value is optional (but if data is returned, it must not be false).
           * @param token The token targeted by the call.
           * @param data The call data (encoded using abi.encode or one of its variants).
           */
          function _callOptionalReturn(IERC20 token, bytes memory data) private {
              // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
              // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
              // the target address contains contract code and also asserts for success in the low-level call.
              bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
              if (returndata.length > 0) {
                  // Return data is optional
                  require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
              }
          }
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)
      pragma solidity ^0.8.0;
      import "../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev Interface for the NFT Royalty Standard.
       *
       * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
       * support for royalty payments across all NFT marketplaces and ecosystem participants.
       *
       * _Available since v4.5._
       */
      interface IERC2981Upgradeable is IERC165Upgradeable {
          /**
           * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
           * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
           */
          function royaltyInfo(uint256 tokenId, uint256 salePrice)
              external
              view
              returns (address receiver, uint256 royaltyAmount);
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)
      pragma solidity ^0.8.2;
      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 proxied contracts do not make use of 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.
       *
       * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
       * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
       * case an upgrade adds a module that needs to be initialized.
       *
       * For example:
       *
       * [.hljs-theme-light.nopadding]
       * ```
       * contract MyToken is ERC20Upgradeable {
       *     function initialize() initializer public {
       *         __ERC20_init("MyToken", "MTK");
       *     }
       * }
       * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
       *     function initializeV2() reinitializer(2) public {
       *         __ERC20Permit_init("MyToken");
       *     }
       * }
       * ```
       *
       * 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 prevent the implementation contract from being used, you should invoke
       * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
       *
       * [.hljs-theme-light.nopadding]
       * ```
       * /// @custom:oz-upgrades-unsafe-allow constructor
       * constructor() {
       *     _disableInitializers();
       * }
       * ```
       * ====
       */
      abstract contract Initializable {
          /**
           * @dev Indicates that the contract has been initialized.
           * @custom:oz-retyped-from bool
           */
          uint8 private _initialized;
          /**
           * @dev Indicates that the contract is in the process of being initialized.
           */
          bool private _initializing;
          /**
           * @dev Triggered when the contract has been initialized or reinitialized.
           */
          event Initialized(uint8 version);
          /**
           * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
           * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.
           */
          modifier initializer() {
              bool isTopLevelCall = !_initializing;
              require(
                  (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
                  "Initializable: contract is already initialized"
              );
              _initialized = 1;
              if (isTopLevelCall) {
                  _initializing = true;
              }
              _;
              if (isTopLevelCall) {
                  _initializing = false;
                  emit Initialized(1);
              }
          }
          /**
           * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
           * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
           * used to initialize parent contracts.
           *
           * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original
           * initialization step. This is essential to configure modules that are added through upgrades and that require
           * initialization.
           *
           * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
           * a contract, executing them in the right order is up to the developer or operator.
           */
          modifier reinitializer(uint8 version) {
              require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
              _initialized = version;
              _initializing = true;
              _;
              _initializing = false;
              emit Initialized(version);
          }
          /**
           * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
           * {initializer} and {reinitializer} modifiers, directly or indirectly.
           */
          modifier onlyInitializing() {
              require(_initializing, "Initializable: contract is not initializing");
              _;
          }
          /**
           * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
           * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
           * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
           * through proxies.
           */
          function _disableInitializers() internal virtual {
              require(!_initializing, "Initializable: contract is initializing");
              if (_initialized < type(uint8).max) {
                  _initialized = type(uint8).max;
                  emit Initialized(type(uint8).max);
              }
          }
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/ERC1155.sol)
      pragma solidity ^0.8.0;
      import "./IERC1155Upgradeable.sol";
      import "./IERC1155ReceiverUpgradeable.sol";
      import "./extensions/IERC1155MetadataURIUpgradeable.sol";
      import "../../utils/AddressUpgradeable.sol";
      import "../../utils/ContextUpgradeable.sol";
      import "../../utils/introspection/ERC165Upgradeable.sol";
      import "../../proxy/utils/Initializable.sol";
      /**
       * @dev Implementation of the basic standard multi-token.
       * See https://eips.ethereum.org/EIPS/eip-1155
       * Originally based on code by Enjin: https://github.com/enjin/erc-1155
       *
       * _Available since v3.1._
       */
      contract ERC1155Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC1155Upgradeable, IERC1155MetadataURIUpgradeable {
          using AddressUpgradeable for address;
          // Mapping from token ID to account balances
          mapping(uint256 => mapping(address => uint256)) private _balances;
          // Mapping from account to operator approvals
          mapping(address => mapping(address => bool)) private _operatorApprovals;
          // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
          string private _uri;
          /**
           * @dev See {_setURI}.
           */
          function __ERC1155_init(string memory uri_) internal onlyInitializing {
              __ERC1155_init_unchained(uri_);
          }
          function __ERC1155_init_unchained(string memory uri_) internal onlyInitializing {
              _setURI(uri_);
          }
          /**
           * @dev See {IERC165-supportsInterface}.
           */
          function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
              return
                  interfaceId == type(IERC1155Upgradeable).interfaceId ||
                  interfaceId == type(IERC1155MetadataURIUpgradeable).interfaceId ||
                  super.supportsInterface(interfaceId);
          }
          /**
           * @dev See {IERC1155MetadataURI-uri}.
           *
           * This implementation returns the same URI for *all* token types. It relies
           * on the token type ID substitution mechanism
           * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
           *
           * Clients calling this function must replace the `\\{id\\}` substring with the
           * actual token type ID.
           */
          function uri(uint256) public view virtual override returns (string memory) {
              return _uri;
          }
          /**
           * @dev See {IERC1155-balanceOf}.
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           */
          function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
              require(account != address(0), "ERC1155: address zero is not a valid owner");
              return _balances[id][account];
          }
          /**
           * @dev See {IERC1155-balanceOfBatch}.
           *
           * Requirements:
           *
           * - `accounts` and `ids` must have the same length.
           */
          function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
              public
              view
              virtual
              override
              returns (uint256[] memory)
          {
              require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");
              uint256[] memory batchBalances = new uint256[](accounts.length);
              for (uint256 i = 0; i < accounts.length; ++i) {
                  batchBalances[i] = balanceOf(accounts[i], ids[i]);
              }
              return batchBalances;
          }
          /**
           * @dev See {IERC1155-setApprovalForAll}.
           */
          function setApprovalForAll(address operator, bool approved) public virtual override {
              _setApprovalForAll(_msgSender(), operator, approved);
          }
          /**
           * @dev See {IERC1155-isApprovedForAll}.
           */
          function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
              return _operatorApprovals[account][operator];
          }
          /**
           * @dev See {IERC1155-safeTransferFrom}.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) public virtual override {
              require(
                  from == _msgSender() || isApprovedForAll(from, _msgSender()),
                  "ERC1155: caller is not token owner nor approved"
              );
              _safeTransferFrom(from, to, id, amount, data);
          }
          /**
           * @dev See {IERC1155-safeBatchTransferFrom}.
           */
          function safeBatchTransferFrom(
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) public virtual override {
              require(
                  from == _msgSender() || isApprovedForAll(from, _msgSender()),
                  "ERC1155: caller is not token owner nor approved"
              );
              _safeBatchTransferFrom(from, to, ids, amounts, data);
          }
          /**
           * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - `from` must have a balance of tokens of type `id` of at least `amount`.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function _safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) internal virtual {
              require(to != address(0), "ERC1155: transfer to the zero address");
              address operator = _msgSender();
              uint256[] memory ids = _asSingletonArray(id);
              uint256[] memory amounts = _asSingletonArray(amount);
              _beforeTokenTransfer(operator, from, to, ids, amounts, data);
              uint256 fromBalance = _balances[id][from];
              require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
              unchecked {
                  _balances[id][from] = fromBalance - amount;
              }
              _balances[id][to] += amount;
              emit TransferSingle(operator, from, to, id, amount);
              _afterTokenTransfer(operator, from, to, ids, amounts, data);
              _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
           * acceptance magic value.
           */
          function _safeBatchTransferFrom(
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              require(to != address(0), "ERC1155: transfer to the zero address");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, from, to, ids, amounts, data);
              for (uint256 i = 0; i < ids.length; ++i) {
                  uint256 id = ids[i];
                  uint256 amount = amounts[i];
                  uint256 fromBalance = _balances[id][from];
                  require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
                  unchecked {
                      _balances[id][from] = fromBalance - amount;
                  }
                  _balances[id][to] += amount;
              }
              emit TransferBatch(operator, from, to, ids, amounts);
              _afterTokenTransfer(operator, from, to, ids, amounts, data);
              _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
          }
          /**
           * @dev Sets a new URI for all token types, by relying on the token type ID
           * substitution mechanism
           * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
           *
           * By this mechanism, any occurrence of the `\\{id\\}` substring in either the
           * URI or any of the amounts in the JSON file at said URI will be replaced by
           * clients with the token type ID.
           *
           * For example, the `https://token-cdn-domain/\\{id\\}.json` URI would be
           * interpreted by clients as
           * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
           * for token type ID 0x4cce0.
           *
           * See {uri}.
           *
           * Because these URIs cannot be meaningfully represented by the {URI} event,
           * this function emits no events.
           */
          function _setURI(string memory newuri) internal virtual {
              _uri = newuri;
          }
          /**
           * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function _mint(
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) internal virtual {
              require(to != address(0), "ERC1155: mint to the zero address");
              address operator = _msgSender();
              uint256[] memory ids = _asSingletonArray(id);
              uint256[] memory amounts = _asSingletonArray(amount);
              _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
              _balances[id][to] += amount;
              emit TransferSingle(operator, address(0), to, id, amount);
              _afterTokenTransfer(operator, address(0), to, ids, amounts, data);
              _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
           * acceptance magic value.
           */
          function _mintBatch(
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {
              require(to != address(0), "ERC1155: mint to the zero address");
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
              for (uint256 i = 0; i < ids.length; i++) {
                  _balances[ids[i]][to] += amounts[i];
              }
              emit TransferBatch(operator, address(0), to, ids, amounts);
              _afterTokenTransfer(operator, address(0), to, ids, amounts, data);
              _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
          }
          /**
           * @dev Destroys `amount` tokens of token type `id` from `from`
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `from` cannot be the zero address.
           * - `from` must have at least `amount` tokens of token type `id`.
           */
          function _burn(
              address from,
              uint256 id,
              uint256 amount
          ) internal virtual {
              require(from != address(0), "ERC1155: burn from the zero address");
              address operator = _msgSender();
              uint256[] memory ids = _asSingletonArray(id);
              uint256[] memory amounts = _asSingletonArray(amount);
              _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
              uint256 fromBalance = _balances[id][from];
              require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
              unchecked {
                  _balances[id][from] = fromBalance - amount;
              }
              emit TransferSingle(operator, from, address(0), id, amount);
              _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
          }
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           */
          function _burnBatch(
              address from,
              uint256[] memory ids,
              uint256[] memory amounts
          ) internal virtual {
              require(from != address(0), "ERC1155: burn from the zero address");
              require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
              address operator = _msgSender();
              _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
              for (uint256 i = 0; i < ids.length; i++) {
                  uint256 id = ids[i];
                  uint256 amount = amounts[i];
                  uint256 fromBalance = _balances[id][from];
                  require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
                  unchecked {
                      _balances[id][from] = fromBalance - amount;
                  }
              }
              emit TransferBatch(operator, from, address(0), ids, amounts);
              _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
          }
          /**
           * @dev Approve `operator` to operate on all of `owner` tokens
           *
           * Emits an {ApprovalForAll} event.
           */
          function _setApprovalForAll(
              address owner,
              address operator,
              bool approved
          ) internal virtual {
              require(owner != operator, "ERC1155: setting approval status for self");
              _operatorApprovals[owner][operator] = approved;
              emit ApprovalForAll(owner, operator, approved);
          }
          /**
           * @dev Hook that is called before any token transfer. This includes minting
           * and burning, as well as batched variants.
           *
           * The same hook is called on both single and batched variants. For single
           * transfers, the length of the `ids` and `amounts` arrays will be 1.
           *
           * Calling conditions (for each `id` and `amount` pair):
           *
           * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
           * of token type `id` will be  transferred to `to`.
           * - When `from` is zero, `amount` tokens of token type `id` will be minted
           * for `to`.
           * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
           * will be burned.
           * - `from` and `to` are never both zero.
           * - `ids` and `amounts` have the same, non-zero length.
           *
           * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
           */
          function _beforeTokenTransfer(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {}
          /**
           * @dev Hook that is called after any token transfer. This includes minting
           * and burning, as well as batched variants.
           *
           * The same hook is called on both single and batched variants. For single
           * transfers, the length of the `id` and `amount` arrays will be 1.
           *
           * Calling conditions (for each `id` and `amount` pair):
           *
           * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
           * of token type `id` will be  transferred to `to`.
           * - When `from` is zero, `amount` tokens of token type `id` will be minted
           * for `to`.
           * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
           * will be burned.
           * - `from` and `to` are never both zero.
           * - `ids` and `amounts` have the same, non-zero length.
           *
           * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
           */
          function _afterTokenTransfer(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) internal virtual {}
          function _doSafeTransferAcceptanceCheck(
              address operator,
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes memory data
          ) private {
              if (to.isContract()) {
                  try IERC1155ReceiverUpgradeable(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                      if (response != IERC1155ReceiverUpgradeable.onERC1155Received.selector) {
                          revert("ERC1155: ERC1155Receiver rejected tokens");
                      }
                  } catch Error(string memory reason) {
                      revert(reason);
                  } catch {
                      revert("ERC1155: transfer to non ERC1155Receiver implementer");
                  }
              }
          }
          function _doSafeBatchTransferAcceptanceCheck(
              address operator,
              address from,
              address to,
              uint256[] memory ids,
              uint256[] memory amounts,
              bytes memory data
          ) private {
              if (to.isContract()) {
                  try IERC1155ReceiverUpgradeable(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                      bytes4 response
                  ) {
                      if (response != IERC1155ReceiverUpgradeable.onERC1155BatchReceived.selector) {
                          revert("ERC1155: ERC1155Receiver rejected tokens");
                      }
                  } catch Error(string memory reason) {
                      revert(reason);
                  } catch {
                      revert("ERC1155: transfer to non ERC1155Receiver implementer");
                  }
              }
          }
          function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
              uint256[] memory array = new uint256[](1);
              array[0] = element;
              return array;
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          uint256[47] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev _Available since v3.1._
       */
      interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {
          /**
           * @dev Handles the receipt of a single ERC1155 token type. This function is
           * called at the end of a `safeTransferFrom` after the balance has been updated.
           *
           * NOTE: To accept the transfer, this must return
           * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
           * (i.e. 0xf23a6e61, or its own function selector).
           *
           * @param operator The address which initiated the transfer (i.e. msg.sender)
           * @param from The address which previously owned the token
           * @param id The ID of the token being transferred
           * @param value The amount of tokens being transferred
           * @param data Additional data with no specified format
           * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
           */
          function onERC1155Received(
              address operator,
              address from,
              uint256 id,
              uint256 value,
              bytes calldata data
          ) external returns (bytes4);
          /**
           * @dev Handles the receipt of a multiple ERC1155 token types. This function
           * is called at the end of a `safeBatchTransferFrom` after the balances have
           * been updated.
           *
           * NOTE: To accept the transfer(s), this must return
           * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
           * (i.e. 0xbc197c81, or its own function selector).
           *
           * @param operator The address which initiated the batch transfer (i.e. msg.sender)
           * @param from The address which previously owned the token
           * @param ids An array containing ids of each token being transferred (order and length must match values array)
           * @param values An array containing amounts of each token being transferred (order and length must match ids array)
           * @param data Additional data with no specified format
           * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
           */
          function onERC1155BatchReceived(
              address operator,
              address from,
              uint256[] calldata ids,
              uint256[] calldata values,
              bytes calldata data
          ) external returns (bytes4);
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)
      pragma solidity ^0.8.0;
      import "../../utils/introspection/IERC165Upgradeable.sol";
      /**
       * @dev Required interface of an ERC1155 compliant contract, as defined in the
       * https://eips.ethereum.org/EIPS/eip-1155[EIP].
       *
       * _Available since v3.1._
       */
      interface IERC1155Upgradeable is IERC165Upgradeable {
          /**
           * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
           */
          event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
          /**
           * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
           * transfers.
           */
          event TransferBatch(
              address indexed operator,
              address indexed from,
              address indexed to,
              uint256[] ids,
              uint256[] values
          );
          /**
           * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
           * `approved`.
           */
          event ApprovalForAll(address indexed account, address indexed operator, bool approved);
          /**
           * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
           *
           * If an {URI} event was emitted for `id`, the standard
           * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
           * returned by {IERC1155MetadataURI-uri}.
           */
          event URI(string value, uint256 indexed id);
          /**
           * @dev Returns the amount of tokens of token type `id` owned by `account`.
           *
           * Requirements:
           *
           * - `account` cannot be the zero address.
           */
          function balanceOf(address account, uint256 id) external view returns (uint256);
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
           *
           * Requirements:
           *
           * - `accounts` and `ids` must have the same length.
           */
          function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
              external
              view
              returns (uint256[] memory);
          /**
           * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
           *
           * Emits an {ApprovalForAll} event.
           *
           * Requirements:
           *
           * - `operator` cannot be the caller.
           */
          function setApprovalForAll(address operator, bool approved) external;
          /**
           * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
           *
           * See {setApprovalForAll}.
           */
          function isApprovedForAll(address account, address operator) external view returns (bool);
          /**
           * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
           *
           * Emits a {TransferSingle} event.
           *
           * Requirements:
           *
           * - `to` cannot be the zero address.
           * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
           * - `from` must have a balance of tokens of type `id` of at least `amount`.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
           * acceptance magic value.
           */
          function safeTransferFrom(
              address from,
              address to,
              uint256 id,
              uint256 amount,
              bytes calldata data
          ) external;
          /**
           * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
           *
           * Emits a {TransferBatch} event.
           *
           * Requirements:
           *
           * - `ids` and `amounts` must have the same length.
           * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
           * acceptance magic value.
           */
          function safeBatchTransferFrom(
              address from,
              address to,
              uint256[] calldata ids,
              uint256[] calldata amounts,
              bytes calldata data
          ) external;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
      pragma solidity ^0.8.0;
      import "../IERC1155Upgradeable.sol";
      /**
       * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
       * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
       *
       * _Available since v3.1._
       */
      interface IERC1155MetadataURIUpgradeable is IERC1155Upgradeable {
          /**
           * @dev Returns the URI for token type `id`.
           *
           * If the `\\{id\\}` substring is present in the URI, it must be replaced by
           * clients with the actual token type ID.
           */
          function uri(uint256 id) external view returns (string memory);
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
      pragma solidity ^0.8.1;
      /**
       * @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
           * ====
           *
           * [IMPORTANT]
           * ====
           * You shouldn't rely on `isContract` to protect against flash loan attacks!
           *
           * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
           * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
           * constructor.
           * ====
           */
          function isContract(address account) internal view returns (bool) {
              // This method relies on extcodesize/address.code.length, which returns 0
              // for contracts in construction, since the code is only stored at the end
              // of the constructor execution.
              return account.code.length > 0;
          }
          /**
           * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
           * `recipient`, forwarding all available gas and reverting on errors.
           *
           * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
           * of certain opcodes, possibly making contracts go over the 2300 gas limit
           * imposed by `transfer`, making them unable to receive funds via
           * `transfer`. {sendValue} removes this limitation.
           *
           * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
           *
           * IMPORTANT: because control is transferred to `recipient`, care must be
           * taken to not create reentrancy vulnerabilities. Consider using
           * {ReentrancyGuard} or the
           * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
           */
          function sendValue(address payable recipient, uint256 amount) internal {
              require(address(this).balance >= amount, "Address: insufficient balance");
              (bool success, ) = recipient.call{value: amount}("");
              require(success, "Address: unable to send value, recipient may have reverted");
          }
          /**
           * @dev Performs a Solidity function call using a low level `call`. A
           * plain `call` is an unsafe replacement for a function call: use this
           * function instead.
           *
           * If `target` reverts with a revert reason, it is bubbled up by this
           * function (like regular Solidity function calls).
           *
           * Returns the raw returned data. To convert to the expected return value,
           * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
           *
           * Requirements:
           *
           * - `target` must be a contract.
           * - calling `target` with `data` must not revert.
           *
           * _Available since v3.1._
           */
          function functionCall(address target, bytes memory data) internal returns (bytes memory) {
              return functionCall(target, data, "Address: low-level call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
           * `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, 0, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but also transferring `value` wei to `target`.
           *
           * Requirements:
           *
           * - the calling contract must have an ETH balance of at least `value`.
           * - the called Solidity function must be `payable`.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value
          ) internal returns (bytes memory) {
              return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
          }
          /**
           * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
           * with `errorMessage` as a fallback revert reason when `target` reverts.
           *
           * _Available since v3.1._
           */
          function functionCallWithValue(
              address target,
              bytes memory data,
              uint256 value,
              string memory errorMessage
          ) internal returns (bytes memory) {
              require(address(this).balance >= value, "Address: insufficient balance for call");
              require(isContract(target), "Address: call to non-contract");
              (bool success, bytes memory returndata) = target.call{value: value}(data);
              return verifyCallResult(success, returndata, errorMessage);
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
              return functionStaticCall(target, data, "Address: low-level static call failed");
          }
          /**
           * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
           * but performing a static call.
           *
           * _Available since v3.3._
           */
          function functionStaticCall(
              address target,
              bytes memory data,
              string memory errorMessage
          ) internal view returns (bytes memory) {
              require(isContract(target), "Address: static call to non-contract");
              (bool success, bytes memory returndata) = target.staticcall(data);
              return verifyCallResult(success, returndata, errorMessage);
          }
          /**
           * @dev 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
                      /// @solidity memory-safe-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 (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 {
          }
          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;
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          uint256[50] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.5.0) (utils/Multicall.sol)
      pragma solidity ^0.8.0;
      import "./AddressUpgradeable.sol";
      import "../proxy/utils/Initializable.sol";
      /**
       * @dev Provides a function to batch together multiple calls in a single external call.
       *
       * _Available since v4.1._
       */
      abstract contract MulticallUpgradeable is Initializable {
          function __Multicall_init() internal onlyInitializing {
          }
          function __Multicall_init_unchained() internal onlyInitializing {
          }
          /**
           * @dev Receives and executes a batch of function calls on this contract.
           */
          function multicall(bytes[] calldata data) external virtual returns (bytes[] memory results) {
              results = new bytes[](data.length);
              for (uint256 i = 0; i < data.length; i++) {
                  results[i] = _functionDelegateCall(address(this), data[i]);
              }
              return results;
          }
          /**
           * @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) private returns (bytes memory) {
              require(AddressUpgradeable.isContract(target), "Address: delegate call to non-contract");
              // solhint-disable-next-line avoid-low-level-calls
              (bool success, bytes memory returndata) = target.delegatecall(data);
              return AddressUpgradeable.verifyCallResult(success, returndata, "Address: low-level delegate call failed");
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          uint256[50] private __gap;
      }
      // SPDX-License-Identifier: MIT
      // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
      pragma solidity ^0.8.0;
      /**
       * @dev String operations.
       */
      library StringsUpgradeable {
          bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
          uint8 private constant _ADDRESS_LENGTH = 20;
          /**
           * @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);
          }
          /**
           * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
           */
          function toHexString(address addr) internal pure returns (string memory) {
              return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
          }
      }
      // 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 {
          }
          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;
          }
          /**
           * @dev This empty reserved space is put in place to allow future versions to add new
           * variables without shifting down storage in the inheritance chain.
           * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
           */
          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);
      }