ETH Price: $1,864.47 (-0.73%)

Transaction Decoder

Block:
16516470 at Jan-30-2023 01:51:23 AM +UTC
Transaction Fee:
0.003288544750815558 ETH $6.13
Gas Used:
192,358 Gas / 17.095960401 Gwei

Account State Difference:

  Address   Before After State Difference Code
0x16176B31...0a5881E0c
(MEV Builder: 0xBaF...e19)
5.265858131060325563 Eth5.266339026060325563 Eth0.000480895
0xed414bAb...3FFbb4616
0.038858122485779083 Eth
Nonce: 325
0.035569577734963525 Eth
Nonce: 326
0.003288544750815558

Execution Trace

TengokuKey.mintBatch( tokenIds=[278, 279, 280], keyTokenId=1, amounts=[1, 1, 1], signature=0xECCFD99D7F45E7973EA96D3010A75C07F452EFDBF1B848CFC214D280345C80F94383DC316EADAD8149C87500338D0BB15DB92176236FFDC1A1FEF6D257D570F31B )
  • Null: 0x000...001.f9bbed88( )
  • ERC1967Proxy.6352211e( )
    • TengokuHuman.ownerOf( tokenId=278 ) => ( 0xed414bAb7568421a28a2e8b70244A1C3FFbb4616 )
    • ERC1967Proxy.6352211e( )
      • TengokuHuman.ownerOf( tokenId=279 ) => ( 0xed414bAb7568421a28a2e8b70244A1C3FFbb4616 )
      • ERC1967Proxy.6352211e( )
        • TengokuHuman.ownerOf( tokenId=280 ) => ( 0xed414bAb7568421a28a2e8b70244A1C3FFbb4616 )
          File 1 of 3: TengokuKey
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
          import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
          import "@openzeppelin/contracts/access/AccessControl.sol";
          import "@openzeppelin/contracts/security/Pausable.sol";
          import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Burnable.sol";
          import "@openzeppelin/contracts/token/ERC1155/extensions/ERC1155Supply.sol";
          import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
          import "@openzeppelin/contracts/utils/Strings.sol";
          import "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
          import "operator-filter-registry/src/DefaultOperatorFilterer.sol";
          contract TengokuKey is
              ERC1155,
              AccessControl,
              Pausable,
              ReentrancyGuard,
              DefaultOperatorFilterer,
              ERC1155Burnable,
              ERC1155Supply
          {
              using Strings for uint256;
              uint256 public constant MASION_TOKEN_ID = 0;
              uint256 public constant APARTMENT_TOKEN_ID = 1;
              bytes32 public constant URI_SETTER_ROLE = keccak256("URI_SETTER_ROLE");
              bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
              bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
              string public name = "TENGOKU KEY";
              string public symbol = "Key";
              address public tengoku3d;
              address public validator;
              uint256 public mansionKeySize = 100;
              uint256 public apartmentKeySize = 2000;
              mapping(bytes32 => bool) private signatureUsed;
              mapping(uint256 => mapping(uint256 => bool)) public tokenClaimed;
              constructor(address _validator, address _tengoku3D) ERC1155("https://droaqyb4mp3w7.cloudfront.net/incubation/metadata_3d/key_b/") {
                  tengoku3d = _tengoku3D;
                  validator = _validator;
                  _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
                  _grantRole(URI_SETTER_ROLE, msg.sender);
                  _grantRole(PAUSER_ROLE, msg.sender);
                  _grantRole(MINTER_ROLE, msg.sender);
              }
              function setTenguku3D(address _tengoku3d)
                  external
                  onlyRole(DEFAULT_ADMIN_ROLE)
              {
                  tengoku3d = _tengoku3d;
              }
              function setValidator(address _validator)
                  external
                  onlyRole(DEFAULT_ADMIN_ROLE)
              {
                  validator = _validator;
              }
              function setURI(string memory newuri) public onlyRole(URI_SETTER_ROLE) {
                  _setURI(newuri);
              }
              function uri(uint256 tokenId) public view override returns (string memory) {
                  string memory baseUrl = super.uri(tokenId);
                  return string(abi.encodePacked(baseUrl, tokenId.toString(), ".json"));
              }
              function pause() public onlyRole(PAUSER_ROLE) {
                  _pause();
              }
              function unpause() public onlyRole(PAUSER_ROLE) {
                  _unpause();
              }
              function hashMessage(
                  uint256[] memory tokenIds,
                  uint256 keyTokenId,
                  uint256[] memory amounts
              ) public view returns (bytes32) {
                  require(
                      tokenIds.length == amounts.length,
                      "tokens length must be equal to amounts"
                  );
                  return
                      keccak256(
                          abi.encode(
                              block.chainid,
                              address(this),
                              tokenIds,
                              keyTokenId,
                              amounts
                          )
                      );
              }
              function mintBatch(
                  uint256[] memory tokenIds,
                  uint256 keyTokenId,
                  uint256[] memory amounts,
                  bytes memory signature
              ) public whenNotPaused nonReentrant {
                  bytes32 hash = ECDSA.toEthSignedMessageHash(
                      hashMessage(tokenIds, keyTokenId, amounts)
                  );
                  require(!signatureUsed[hash], "hash used");
                  require(
                      SignatureChecker.isValidSignatureNow(validator, hash, signature),
                      "invalid signature"
                  );
                  for (uint256 i = 0; i < tokenIds.length; i++) {
                      require(
                          !tokenClaimed[tokenIds[i]][keyTokenId],
                          "token already claimed"
                      );
                      tokenClaimed[tokenIds[i]][keyTokenId] = true;
                      require(
                          IERC721(tengoku3d).ownerOf(tokenIds[i]) == msg.sender,
                          "invalid sender"
                      );
                      _mint(msg.sender, keyTokenId, amounts[i], "");
                  }
                  signatureUsed[hash] = true;
                  if (keyTokenId == MASION_TOKEN_ID) {
                      require(
                          totalSupply(keyTokenId) <= mansionKeySize,
                          "over mansion key size"
                      );
                  } else if (keyTokenId == APARTMENT_TOKEN_ID) {
                      require(
                          totalSupply(keyTokenId) <= apartmentKeySize,
                          "over apartment key size"
                      );
                  } else {
                      revert("not support token id");
                  }
              }
              function tokenIdsClaimed(uint256[] memory tokenIds)
                  public
                  returns (uint256[] memory)
              {
                  uint256[] memory claimeds = new uint256[](tokenIds.length);
                  for (uint256 i = 0; i < tokenIds.length; i++) {
                      uint256 claimed = 3;
                      if (tokenClaimed[tokenIds[i]][0]) {
                          claimed = 0;
                      }
                      if (tokenClaimed[tokenIds[i]][1]) {
                          if (claimed == 0) {
                              claimed = 2;
                          } else {
                              claimed = 1;
                          }
                      }
                      claimeds[i] = claimed;
                  }
                  return claimeds;
              }
              function burnBatch(uint256[] memory ids, uint256[] memory amounts) public {
                  _burnBatch(msg.sender, ids, amounts);
              }
              function _beforeTokenTransfer(
                  address operator,
                  address from,
                  address to,
                  uint256[] memory ids,
                  uint256[] memory amounts,
                  bytes memory data
              ) internal override(ERC1155, ERC1155Supply) whenNotPaused {
                  super._beforeTokenTransfer(operator, from, to, ids, amounts, data);
              }
              // The following functions are overrides required by Solidity.
              function supportsInterface(bytes4 interfaceId)
                  public
                  view
                  override(ERC1155, AccessControl)
                  returns (bool)
              {
                  return super.supportsInterface(interfaceId);
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/ERC1155.sol)
          pragma solidity ^0.8.0;
          import "./IERC1155.sol";
          import "./IERC1155Receiver.sol";
          import "./extensions/IERC1155MetadataURI.sol";
          import "../../utils/Address.sol";
          import "../../utils/Context.sol";
          import "../../utils/introspection/ERC165.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 ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
              using Address 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}.
               */
              constructor(string memory uri_) {
                  _setURI(uri_);
              }
              /**
               * @dev See {IERC165-supportsInterface}.
               */
              function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
                  return
                      interfaceId == type(IERC1155).interfaceId ||
                      interfaceId == type(IERC1155MetadataURI).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 IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                          if (response != IERC1155Receiver.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 IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                          bytes4 response
                      ) {
                          if (response != IERC1155Receiver.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;
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)
          pragma solidity ^0.8.0;
          import "../../utils/introspection/IERC165.sol";
          /**
           * @dev Required interface of an ERC721 compliant contract.
           */
          interface IERC721 is IERC165 {
              /**
               * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
               */
              event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
              /**
               * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
               */
              event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
              /**
               * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
               */
              event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
              /**
               * @dev Returns the number of tokens in ``owner``'s account.
               */
              function balanceOf(address owner) external view returns (uint256 balance);
              /**
               * @dev Returns the owner of the `tokenId` token.
               *
               * Requirements:
               *
               * - `tokenId` must exist.
               */
              function ownerOf(uint256 tokenId) external view returns (address owner);
              /**
               * @dev Safely transfers `tokenId` token from `from` to `to`.
               *
               * Requirements:
               *
               * - `from` cannot be the zero address.
               * - `to` cannot be the zero address.
               * - `tokenId` token must exist and be owned by `from`.
               * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
               * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
               *
               * Emits a {Transfer} event.
               */
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId,
                  bytes calldata data
              ) external;
              /**
               * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
               * are aware of the ERC721 protocol to prevent tokens from being forever locked.
               *
               * Requirements:
               *
               * - `from` cannot be the zero address.
               * - `to` cannot be the zero address.
               * - `tokenId` token must exist and be owned by `from`.
               * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
               * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
               *
               * Emits a {Transfer} event.
               */
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              ) external;
              /**
               * @dev Transfers `tokenId` token from `from` to `to`.
               *
               * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
               *
               * Requirements:
               *
               * - `from` cannot be the zero address.
               * - `to` cannot be the zero address.
               * - `tokenId` token must be owned by `from`.
               * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
               *
               * Emits a {Transfer} event.
               */
              function transferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              ) external;
              /**
               * @dev Gives permission to `to` to transfer `tokenId` token to another account.
               * The approval is cleared when the token is transferred.
               *
               * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
               *
               * Requirements:
               *
               * - The caller must own the token or be an approved operator.
               * - `tokenId` must exist.
               *
               * Emits an {Approval} event.
               */
              function approve(address to, uint256 tokenId) external;
              /**
               * @dev Approve or remove `operator` as an operator for the caller.
               * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
               *
               * Requirements:
               *
               * - The `operator` cannot be the caller.
               *
               * Emits an {ApprovalForAll} event.
               */
              function setApprovalForAll(address operator, bool _approved) external;
              /**
               * @dev Returns the account approved for `tokenId` token.
               *
               * Requirements:
               *
               * - `tokenId` must exist.
               */
              function getApproved(uint256 tokenId) external view returns (address operator);
              /**
               * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
               *
               * See {setApprovalForAll}
               */
              function isApprovedForAll(address owner, address operator) external view returns (bool);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol)
          pragma solidity ^0.8.0;
          import "./IAccessControl.sol";
          import "../utils/Context.sol";
          import "../utils/Strings.sol";
          import "../utils/introspection/ERC165.sol";
          /**
           * @dev Contract module that allows children to implement role-based access
           * control mechanisms. This is a lightweight version that doesn't allow enumerating role
           * members except through off-chain means by accessing the contract event logs. Some
           * applications may benefit from on-chain enumerability, for those cases see
           * {AccessControlEnumerable}.
           *
           * Roles are referred to by their `bytes32` identifier. These should be exposed
           * in the external API and be unique. The best way to achieve this is by
           * using `public constant` hash digests:
           *
           * ```
           * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
           * ```
           *
           * Roles can be used to represent a set of permissions. To restrict access to a
           * function call, use {hasRole}:
           *
           * ```
           * function foo() public {
           *     require(hasRole(MY_ROLE, msg.sender));
           *     ...
           * }
           * ```
           *
           * Roles can be granted and revoked dynamically via the {grantRole} and
           * {revokeRole} functions. Each role has an associated admin role, and only
           * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
           *
           * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
           * that only accounts with this role will be able to grant or revoke other
           * roles. More complex role relationships can be created by using
           * {_setRoleAdmin}.
           *
           * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
           * grant and revoke this role. Extra precautions should be taken to secure
           * accounts that have been granted it.
           */
          abstract contract AccessControl is Context, IAccessControl, ERC165 {
              struct RoleData {
                  mapping(address => bool) members;
                  bytes32 adminRole;
              }
              mapping(bytes32 => RoleData) private _roles;
              bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
              /**
               * @dev Modifier that checks that an account has a specific role. Reverts
               * with a standardized message including the required role.
               *
               * The format of the revert reason is given by the following regular expression:
               *
               *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
               *
               * _Available since v4.1._
               */
              modifier onlyRole(bytes32 role) {
                  _checkRole(role);
                  _;
              }
              /**
               * @dev See {IERC165-supportsInterface}.
               */
              function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
                  return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
              }
              /**
               * @dev Returns `true` if `account` has been granted `role`.
               */
              function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
                  return _roles[role].members[account];
              }
              /**
               * @dev Revert with a standard message if `_msgSender()` is missing `role`.
               * Overriding this function changes the behavior of the {onlyRole} modifier.
               *
               * Format of the revert message is described in {_checkRole}.
               *
               * _Available since v4.6._
               */
              function _checkRole(bytes32 role) internal view virtual {
                  _checkRole(role, _msgSender());
              }
              /**
               * @dev Revert with a standard message if `account` is missing `role`.
               *
               * The format of the revert reason is given by the following regular expression:
               *
               *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
               */
              function _checkRole(bytes32 role, address account) internal view virtual {
                  if (!hasRole(role, account)) {
                      revert(
                          string(
                              abi.encodePacked(
                                  "AccessControl: account ",
                                  Strings.toHexString(uint160(account), 20),
                                  " is missing role ",
                                  Strings.toHexString(uint256(role), 32)
                              )
                          )
                      );
                  }
              }
              /**
               * @dev Returns the admin role that controls `role`. See {grantRole} and
               * {revokeRole}.
               *
               * To change a role's admin, use {_setRoleAdmin}.
               */
              function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
                  return _roles[role].adminRole;
              }
              /**
               * @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.
               *
               * May emit a {RoleGranted} event.
               */
              function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
                  _grantRole(role, account);
              }
              /**
               * @dev Revokes `role` from `account`.
               *
               * If `account` had been granted `role`, emits a {RoleRevoked} event.
               *
               * Requirements:
               *
               * - the caller must have ``role``'s admin role.
               *
               * May emit a {RoleRevoked} event.
               */
              function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
                  _revokeRole(role, account);
              }
              /**
               * @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 revoked `role`, emits a {RoleRevoked}
               * event.
               *
               * Requirements:
               *
               * - the caller must be `account`.
               *
               * May emit a {RoleRevoked} event.
               */
              function renounceRole(bytes32 role, address account) public virtual override {
                  require(account == _msgSender(), "AccessControl: can only renounce roles for self");
                  _revokeRole(role, account);
              }
              /**
               * @dev Grants `role` to `account`.
               *
               * If `account` had not been already granted `role`, emits a {RoleGranted}
               * event. Note that unlike {grantRole}, this function doesn't perform any
               * checks on the calling account.
               *
               * May emit a {RoleGranted} event.
               *
               * [WARNING]
               * ====
               * This function should only be called from the constructor when setting
               * up the initial roles for the system.
               *
               * Using this function in any other way is effectively circumventing the admin
               * system imposed by {AccessControl}.
               * ====
               *
               * NOTE: This function is deprecated in favor of {_grantRole}.
               */
              function _setupRole(bytes32 role, address account) internal virtual {
                  _grantRole(role, account);
              }
              /**
               * @dev Sets `adminRole` as ``role``'s admin role.
               *
               * Emits a {RoleAdminChanged} event.
               */
              function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
                  bytes32 previousAdminRole = getRoleAdmin(role);
                  _roles[role].adminRole = adminRole;
                  emit RoleAdminChanged(role, previousAdminRole, adminRole);
              }
              /**
               * @dev Grants `role` to `account`.
               *
               * Internal function without access restriction.
               *
               * May emit a {RoleGranted} event.
               */
              function _grantRole(bytes32 role, address account) internal virtual {
                  if (!hasRole(role, account)) {
                      _roles[role].members[account] = true;
                      emit RoleGranted(role, account, _msgSender());
                  }
              }
              /**
               * @dev Revokes `role` from `account`.
               *
               * Internal function without access restriction.
               *
               * May emit a {RoleRevoked} event.
               */
              function _revokeRole(bytes32 role, address account) internal virtual {
                  if (hasRole(role, account)) {
                      _roles[role].members[account] = false;
                      emit RoleRevoked(role, account, _msgSender());
                  }
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)
          pragma solidity ^0.8.0;
          import "../utils/Context.sol";
          /**
           * @dev Contract module which allows children to implement an emergency stop
           * mechanism that can be triggered by an authorized account.
           *
           * This module is used through inheritance. It will make available the
           * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
           * the functions of your contract. Note that they will not be pausable by
           * simply including this module, only once the modifiers are put in place.
           */
          abstract contract Pausable is Context {
              /**
               * @dev Emitted when the pause is triggered by `account`.
               */
              event Paused(address account);
              /**
               * @dev Emitted when the pause is lifted by `account`.
               */
              event Unpaused(address account);
              bool private _paused;
              /**
               * @dev Initializes the contract in unpaused state.
               */
              constructor() {
                  _paused = false;
              }
              /**
               * @dev Modifier to make a function callable only when the contract is not paused.
               *
               * Requirements:
               *
               * - The contract must not be paused.
               */
              modifier whenNotPaused() {
                  _requireNotPaused();
                  _;
              }
              /**
               * @dev Modifier to make a function callable only when the contract is paused.
               *
               * Requirements:
               *
               * - The contract must be paused.
               */
              modifier whenPaused() {
                  _requirePaused();
                  _;
              }
              /**
               * @dev Returns true if the contract is paused, and false otherwise.
               */
              function paused() public view virtual returns (bool) {
                  return _paused;
              }
              /**
               * @dev Throws if the contract is paused.
               */
              function _requireNotPaused() internal view virtual {
                  require(!paused(), "Pausable: paused");
              }
              /**
               * @dev Throws if the contract is not paused.
               */
              function _requirePaused() internal view virtual {
                  require(paused(), "Pausable: not paused");
              }
              /**
               * @dev Triggers stopped state.
               *
               * Requirements:
               *
               * - The contract must not be paused.
               */
              function _pause() internal virtual whenNotPaused {
                  _paused = true;
                  emit Paused(_msgSender());
              }
              /**
               * @dev Returns to normal state.
               *
               * Requirements:
               *
               * - The contract must be paused.
               */
              function _unpause() internal virtual whenPaused {
                  _paused = false;
                  emit Unpaused(_msgSender());
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/extensions/ERC1155Burnable.sol)
          pragma solidity ^0.8.0;
          import "../ERC1155.sol";
          /**
           * @dev Extension of {ERC1155} that allows token holders to destroy both their
           * own tokens and those that they have been approved to use.
           *
           * _Available since v3.1._
           */
          abstract contract ERC1155Burnable is ERC1155 {
              function burn(
                  address account,
                  uint256 id,
                  uint256 value
              ) public virtual {
                  require(
                      account == _msgSender() || isApprovedForAll(account, _msgSender()),
                      "ERC1155: caller is not token owner nor approved"
                  );
                  _burn(account, id, value);
              }
              function burnBatch(
                  address account,
                  uint256[] memory ids,
                  uint256[] memory values
              ) public virtual {
                  require(
                      account == _msgSender() || isApprovedForAll(account, _msgSender()),
                      "ERC1155: caller is not token owner nor approved"
                  );
                  _burnBatch(account, ids, values);
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/extensions/ERC1155Supply.sol)
          pragma solidity ^0.8.0;
          import "../ERC1155.sol";
          /**
           * @dev Extension of ERC1155 that adds tracking of total supply per id.
           *
           * Useful for scenarios where Fungible and Non-fungible tokens have to be
           * clearly identified. Note: While a totalSupply of 1 might mean the
           * corresponding is an NFT, there is no guarantees that no other token with the
           * same id are not going to be minted.
           */
          abstract contract ERC1155Supply is ERC1155 {
              mapping(uint256 => uint256) private _totalSupply;
              /**
               * @dev Total amount of tokens in with a given id.
               */
              function totalSupply(uint256 id) public view virtual returns (uint256) {
                  return _totalSupply[id];
              }
              /**
               * @dev Indicates whether any token exist with a given id, or not.
               */
              function exists(uint256 id) public view virtual returns (bool) {
                  return ERC1155Supply.totalSupply(id) > 0;
              }
              /**
               * @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 (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) {
                          uint256 id = ids[i];
                          uint256 amount = amounts[i];
                          uint256 supply = _totalSupply[id];
                          require(supply >= amount, "ERC1155: burn amount exceeds totalSupply");
                          unchecked {
                              _totalSupply[id] = supply - amount;
                          }
                      }
                  }
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev Contract module that helps prevent reentrant calls to a function.
           *
           * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
           * available, which can be applied to functions to make sure there are no nested
           * (reentrant) calls to them.
           *
           * Note that because there is a single `nonReentrant` guard, functions marked as
           * `nonReentrant` may not call one another. This can be worked around by making
           * those functions `private`, and then adding `external` `nonReentrant` entry
           * points to them.
           *
           * TIP: If you would like to learn more about reentrancy and alternative ways
           * to protect against it, check out our blog post
           * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
           */
          abstract contract ReentrancyGuard {
              // Booleans are more expensive than uint256 or any type that takes up a full
              // word because each write operation emits an extra SLOAD to first read the
              // slot's contents, replace the bits taken up by the boolean, and then write
              // back. This is the compiler's defense against contract upgrades and
              // pointer aliasing, and it cannot be disabled.
              // The values being non-zero value makes deployment a bit more expensive,
              // but in exchange the refund on every call to nonReentrant will be lower in
              // amount. Since refunds are capped to a percentage of the total
              // transaction's gas, it is best to keep them low in cases like this one, to
              // increase the likelihood of the full refund coming into effect.
              uint256 private constant _NOT_ENTERED = 1;
              uint256 private constant _ENTERED = 2;
              uint256 private _status;
              constructor() {
                  _status = _NOT_ENTERED;
              }
              /**
               * @dev Prevents a contract from calling itself, directly or indirectly.
               * Calling a `nonReentrant` function from another `nonReentrant`
               * function is not supported. It is possible to prevent this from happening
               * by making the `nonReentrant` function external, and making it call a
               * `private` function that does the actual work.
               */
              modifier nonReentrant() {
                  // On the first call to nonReentrant, _notEntered will be true
                  require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
                  // Any calls to nonReentrant after this point will fail
                  _status = _ENTERED;
                  _;
                  // By storing the original value once again, a refund is triggered (see
                  // https://eips.ethereum.org/EIPS/eip-2200)
                  _status = _NOT_ENTERED;
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev String operations.
           */
          library Strings {
              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 (last updated v4.7.1) (utils/cryptography/SignatureChecker.sol)
          pragma solidity ^0.8.0;
          import "./ECDSA.sol";
          import "../Address.sol";
          import "../../interfaces/IERC1271.sol";
          /**
           * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA
           * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like
           * Argent and Gnosis Safe.
           *
           * _Available since v4.1._
           */
          library SignatureChecker {
              /**
               * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
               * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`.
               *
               * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
               * change through time. It could return true at block N and false at block N+1 (or the opposite).
               */
              function isValidSignatureNow(
                  address signer,
                  bytes32 hash,
                  bytes memory signature
              ) internal view returns (bool) {
                  (address recovered, ECDSA.RecoverError error) = ECDSA.tryRecover(hash, signature);
                  if (error == ECDSA.RecoverError.NoError && recovered == signer) {
                      return true;
                  }
                  (bool success, bytes memory result) = signer.staticcall(
                      abi.encodeWithSelector(IERC1271.isValidSignature.selector, hash, signature)
                  );
                  return (success &&
                      result.length == 32 &&
                      abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));
              }
          }
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          import {OperatorFilterer} from "./OperatorFilterer.sol";
          /**
           * @title  DefaultOperatorFilterer
           * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
           */
          abstract contract DefaultOperatorFilterer is OperatorFilterer {
              address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);
              constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {}
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)
          pragma solidity ^0.8.0;
          import "../../utils/introspection/IERC165.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 IERC1155 is IERC165 {
              /**
               * @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 (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
          pragma solidity ^0.8.0;
          import "../../utils/introspection/IERC165.sol";
          /**
           * @dev _Available since v3.1._
           */
          interface IERC1155Receiver is IERC165 {
              /**
               * @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 v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
          pragma solidity ^0.8.0;
          import "../IERC1155.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 IERC1155MetadataURI is IERC1155 {
              /**
               * @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 Address {
              /**
               * @dev Returns true if `account` is a contract.
               *
               * [IMPORTANT]
               * ====
               * It is unsafe to assume that an address for which this function returns
               * false is an externally-owned account (EOA) and not a contract.
               *
               * Among others, `isContract` will return false for the following
               * types of addresses:
               *
               *  - an externally-owned account
               *  - a contract in construction
               *  - an address where a contract will be created
               *  - an address where a contract lived, but was destroyed
               * ====
               *
               * [IMPORTANT]
               * ====
               * You shouldn't rely on `isContract` to protect against flash loan attacks!
               *
               * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
               * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
               * constructor.
               * ====
               */
              function isContract(address account) internal view returns (bool) {
                  // This method relies on extcodesize/address.code.length, which returns 0
                  // for contracts in construction, since the code is only stored at the end
                  // of the constructor execution.
                  return account.code.length > 0;
              }
              /**
               * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
               * `recipient`, forwarding all available gas and reverting on errors.
               *
               * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
               * of certain opcodes, possibly making contracts go over the 2300 gas limit
               * imposed by `transfer`, making them unable to receive funds via
               * `transfer`. {sendValue} removes this limitation.
               *
               * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
               *
               * IMPORTANT: because control is transferred to `recipient`, care must be
               * taken to not create reentrancy vulnerabilities. Consider using
               * {ReentrancyGuard} or the
               * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
               */
              function sendValue(address payable recipient, uint256 amount) internal {
                  require(address(this).balance >= amount, "Address: insufficient balance");
                  (bool success, ) = recipient.call{value: amount}("");
                  require(success, "Address: unable to send value, recipient may have reverted");
              }
              /**
               * @dev Performs a Solidity function call using a low level `call`. A
               * plain `call` is an unsafe replacement for a function call: use this
               * function instead.
               *
               * If `target` reverts with a revert reason, it is bubbled up by this
               * function (like regular Solidity function calls).
               *
               * Returns the raw returned data. To convert to the expected return value,
               * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
               *
               * Requirements:
               *
               * - `target` must be a contract.
               * - calling `target` with `data` must not revert.
               *
               * _Available since v3.1._
               */
              function functionCall(address target, bytes memory data) internal returns (bytes memory) {
                  return functionCall(target, data, "Address: low-level call failed");
              }
              /**
               * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
               * `errorMessage` as a fallback revert reason when `target` reverts.
               *
               * _Available since v3.1._
               */
              function functionCall(
                  address target,
                  bytes memory data,
                  string memory errorMessage
              ) internal returns (bytes memory) {
                  return functionCallWithValue(target, data, 0, errorMessage);
              }
              /**
               * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
               * but also transferring `value` wei to `target`.
               *
               * Requirements:
               *
               * - the calling contract must have an ETH balance of at least `value`.
               * - the called Solidity function must be `payable`.
               *
               * _Available since v3.1._
               */
              function functionCallWithValue(
                  address target,
                  bytes memory data,
                  uint256 value
              ) internal returns (bytes memory) {
                  return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
              }
              /**
               * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
               * with `errorMessage` as a fallback revert reason when `target` reverts.
               *
               * _Available since v3.1._
               */
              function functionCallWithValue(
                  address target,
                  bytes memory data,
                  uint256 value,
                  string memory errorMessage
              ) internal returns (bytes memory) {
                  require(address(this).balance >= value, "Address: insufficient balance for call");
                  require(isContract(target), "Address: call to non-contract");
                  (bool success, bytes memory returndata) = target.call{value: value}(data);
                  return verifyCallResult(success, returndata, errorMessage);
              }
              /**
               * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
               * but performing a static call.
               *
               * _Available since v3.3._
               */
              function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
                  return functionStaticCall(target, data, "Address: low-level static call failed");
              }
              /**
               * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
               * but performing a static call.
               *
               * _Available since v3.3._
               */
              function functionStaticCall(
                  address target,
                  bytes memory data,
                  string memory errorMessage
              ) internal view returns (bytes memory) {
                  require(isContract(target), "Address: static call to non-contract");
                  (bool success, bytes memory returndata) = target.staticcall(data);
                  return verifyCallResult(success, returndata, errorMessage);
              }
              /**
               * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
               * but performing a delegate call.
               *
               * _Available since v3.4._
               */
              function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
                  return functionDelegateCall(target, data, "Address: low-level delegate call failed");
              }
              /**
               * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
               * but performing a delegate call.
               *
               * _Available since v3.4._
               */
              function functionDelegateCall(
                  address target,
                  bytes memory data,
                  string memory errorMessage
              ) internal returns (bytes memory) {
                  require(isContract(target), "Address: delegate call to non-contract");
                  (bool success, bytes memory returndata) = target.delegatecall(data);
                  return verifyCallResult(success, returndata, errorMessage);
              }
              /**
               * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
               * revert reason using the provided one.
               *
               * _Available since v4.3._
               */
              function verifyCallResult(
                  bool success,
                  bytes memory returndata,
                  string memory errorMessage
              ) internal pure returns (bytes memory) {
                  if (success) {
                      return returndata;
                  } else {
                      // Look for revert reason and bubble it up if present
                      if (returndata.length > 0) {
                          // The easiest way to bubble the revert reason is using memory via assembly
                          /// @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;
          /**
           * @dev Provides information about the current execution context, including the
           * sender of the transaction and its data. While these are generally available
           * via msg.sender and msg.data, they should not be accessed in such a direct
           * manner, since when dealing with meta-transactions the account sending and
           * paying for execution may not be the actual sender (as far as an application
           * is concerned).
           *
           * This contract is only required for intermediate, library-like contracts.
           */
          abstract contract Context {
              function _msgSender() internal view virtual returns (address) {
                  return msg.sender;
              }
              function _msgData() internal view virtual returns (bytes calldata) {
                  return msg.data;
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
          pragma solidity ^0.8.0;
          import "./IERC165.sol";
          /**
           * @dev Implementation of the {IERC165} interface.
           *
           * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
           * for the additional interface id that will be supported. For example:
           *
           * ```solidity
           * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
           *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
           * }
           * ```
           *
           * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
           */
          abstract contract ERC165 is IERC165 {
              /**
               * @dev See {IERC165-supportsInterface}.
               */
              function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
                  return interfaceId == type(IERC165).interfaceId;
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev Interface of the ERC165 standard, as defined in the
           * https://eips.ethereum.org/EIPS/eip-165[EIP].
           *
           * Implementers can declare support of contract interfaces, which can then be
           * queried by others ({ERC165Checker}).
           *
           * For an implementation, see {ERC165}.
           */
          interface IERC165 {
              /**
               * @dev Returns true if this contract implements the interface defined by
               * `interfaceId`. See the corresponding
               * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
               * to learn more about how these ids are created.
               *
               * This function call must use less than 30 000 gas.
               */
              function supportsInterface(bytes4 interfaceId) external view returns (bool);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev External interface of AccessControl declared to support ERC165 detection.
           */
          interface IAccessControl {
              /**
               * @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: MIT
          // OpenZeppelin Contracts (last updated v4.7.3) (utils/cryptography/ECDSA.sol)
          pragma solidity ^0.8.0;
          import "../Strings.sol";
          /**
           * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
           *
           * These functions can be used to verify that a message was signed by the holder
           * of the private keys of a given address.
           */
          library ECDSA {
              enum RecoverError {
                  NoError,
                  InvalidSignature,
                  InvalidSignatureLength,
                  InvalidSignatureS,
                  InvalidSignatureV
              }
              function _throwError(RecoverError error) private pure {
                  if (error == RecoverError.NoError) {
                      return; // no error: do nothing
                  } else if (error == RecoverError.InvalidSignature) {
                      revert("ECDSA: invalid signature");
                  } else if (error == RecoverError.InvalidSignatureLength) {
                      revert("ECDSA: invalid signature length");
                  } else if (error == RecoverError.InvalidSignatureS) {
                      revert("ECDSA: invalid signature 's' value");
                  } else if (error == RecoverError.InvalidSignatureV) {
                      revert("ECDSA: invalid signature 'v' value");
                  }
              }
              /**
               * @dev Returns the address that signed a hashed message (`hash`) with
               * `signature` or error string. This address can then be used for verification purposes.
               *
               * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
               * this function rejects them by requiring the `s` value to be in the lower
               * half order, and the `v` value to be either 27 or 28.
               *
               * IMPORTANT: `hash` _must_ be the result of a hash operation for the
               * verification to be secure: it is possible to craft signatures that
               * recover to arbitrary addresses for non-hashed data. A safe way to ensure
               * this is by receiving a hash of the original message (which may otherwise
               * be too long), and then calling {toEthSignedMessageHash} on it.
               *
               * Documentation for signature generation:
               * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
               * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
               *
               * _Available since v4.3._
               */
              function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
                  if (signature.length == 65) {
                      bytes32 r;
                      bytes32 s;
                      uint8 v;
                      // ecrecover takes the signature parameters, and the only way to get them
                      // currently is to use assembly.
                      /// @solidity memory-safe-assembly
                      assembly {
                          r := mload(add(signature, 0x20))
                          s := mload(add(signature, 0x40))
                          v := byte(0, mload(add(signature, 0x60)))
                      }
                      return tryRecover(hash, v, r, s);
                  } else {
                      return (address(0), RecoverError.InvalidSignatureLength);
                  }
              }
              /**
               * @dev Returns the address that signed a hashed message (`hash`) with
               * `signature`. This address can then be used for verification purposes.
               *
               * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
               * this function rejects them by requiring the `s` value to be in the lower
               * half order, and the `v` value to be either 27 or 28.
               *
               * IMPORTANT: `hash` _must_ be the result of a hash operation for the
               * verification to be secure: it is possible to craft signatures that
               * recover to arbitrary addresses for non-hashed data. A safe way to ensure
               * this is by receiving a hash of the original message (which may otherwise
               * be too long), and then calling {toEthSignedMessageHash} on it.
               */
              function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
                  (address recovered, RecoverError error) = tryRecover(hash, signature);
                  _throwError(error);
                  return recovered;
              }
              /**
               * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
               *
               * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
               *
               * _Available since v4.3._
               */
              function tryRecover(
                  bytes32 hash,
                  bytes32 r,
                  bytes32 vs
              ) internal pure returns (address, RecoverError) {
                  bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
                  uint8 v = uint8((uint256(vs) >> 255) + 27);
                  return tryRecover(hash, v, r, s);
              }
              /**
               * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
               *
               * _Available since v4.2._
               */
              function recover(
                  bytes32 hash,
                  bytes32 r,
                  bytes32 vs
              ) internal pure returns (address) {
                  (address recovered, RecoverError error) = tryRecover(hash, r, vs);
                  _throwError(error);
                  return recovered;
              }
              /**
               * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
               * `r` and `s` signature fields separately.
               *
               * _Available since v4.3._
               */
              function tryRecover(
                  bytes32 hash,
                  uint8 v,
                  bytes32 r,
                  bytes32 s
              ) internal pure returns (address, RecoverError) {
                  // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
                  // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
                  // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
                  // signatures from current libraries generate a unique signature with an s-value in the lower half order.
                  //
                  // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
                  // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
                  // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
                  // these malleable signatures as well.
                  if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
                      return (address(0), RecoverError.InvalidSignatureS);
                  }
                  if (v != 27 && v != 28) {
                      return (address(0), RecoverError.InvalidSignatureV);
                  }
                  // If the signature is valid (and not malleable), return the signer address
                  address signer = ecrecover(hash, v, r, s);
                  if (signer == address(0)) {
                      return (address(0), RecoverError.InvalidSignature);
                  }
                  return (signer, RecoverError.NoError);
              }
              /**
               * @dev Overload of {ECDSA-recover} that receives the `v`,
               * `r` and `s` signature fields separately.
               */
              function recover(
                  bytes32 hash,
                  uint8 v,
                  bytes32 r,
                  bytes32 s
              ) internal pure returns (address) {
                  (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
                  _throwError(error);
                  return recovered;
              }
              /**
               * @dev Returns an Ethereum Signed Message, created from a `hash`. This
               * produces hash corresponding to the one signed with the
               * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
               * JSON-RPC method as part of EIP-191.
               *
               * See {recover}.
               */
              function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
                  // 32 is the length in bytes of hash,
                  // enforced by the type signature above
                  return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
          32", hash));
              }
              /**
               * @dev Returns an Ethereum Signed Message, created from `s`. This
               * produces hash corresponding to the one signed with the
               * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
               * JSON-RPC method as part of EIP-191.
               *
               * See {recover}.
               */
              function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
                  return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
          ", Strings.toString(s.length), s));
              }
              /**
               * @dev Returns an Ethereum Signed Typed Data, created from a
               * `domainSeparator` and a `structHash`. This produces hash corresponding
               * to the one signed with the
               * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
               * JSON-RPC method as part of EIP-712.
               *
               * See {recover}.
               */
              function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
                  return keccak256(abi.encodePacked("\\x19\\x01", domainSeparator, structHash));
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev Interface of the ERC1271 standard signature validation method for
           * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
           *
           * _Available since v4.1._
           */
          interface IERC1271 {
              /**
               * @dev Should return whether the signature provided is valid for the provided data
               * @param hash      Hash of the data to be signed
               * @param signature Signature byte array associated with _data
               */
              function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
          }
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
          /**
           * @title  OperatorFilterer
           * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
           *         registrant's entries in the OperatorFilterRegistry.
           * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
           *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
           *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
           */
          abstract contract OperatorFilterer {
              error OperatorNotAllowed(address operator);
              IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
                  IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
              constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
                  // 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 (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 {
                  // 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) {
                      _checkFilterOperator(msg.sender);
                  }
                  _;
              }
              modifier onlyAllowedOperatorApproval(address operator) virtual {
                  _checkFilterOperator(operator);
                  _;
              }
              function _checkFilterOperator(address operator) internal view virtual {
                  // Check registry code length to facilitate testing in environments without a deployed registry.
                  if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
                      if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                          revert OperatorNotAllowed(operator);
                      }
                  }
              }
          }
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          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);
          }
          

          File 2 of 3: ERC1967Proxy
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.0;
          
          /**
           * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
           * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
           * be specified by overriding the virtual {_implementation} function.
           *
           * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
           * different contract through the {_delegate} function.
           *
           * The success and return data of the delegated call will be returned back to the caller of the proxy.
           */
          abstract contract Proxy {
              /**
               * @dev Delegates the current call to `implementation`.
               *
               * This function does not return to its internall call site, it will return directly to the external caller.
               */
              function _delegate(address implementation) internal virtual {
                  // solhint-disable-next-line no-inline-assembly
                  assembly {
                  // Copy msg.data. We take full control of memory in this inline assembly
                  // block because it will not return to Solidity code. We overwrite the
                  // Solidity scratch pad at memory position 0.
                      calldatacopy(0, 0, calldatasize())
          
                  // Call the implementation.
                  // out and outsize are 0 because we don't know the size yet.
                      let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
          
                  // Copy the returned data.
                      returndatacopy(0, 0, returndatasize())
          
                      switch result
                      // delegatecall returns 0 on error.
                      case 0 { revert(0, returndatasize()) }
                      default { return(0, returndatasize()) }
                  }
              }
          
              /**
               * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
               * and {_fallback} should delegate.
               */
              function _implementation() internal view virtual returns (address);
          
              /**
               * @dev Delegates the current call to the address returned by `_implementation()`.
               *
               * This function does not return to its internall call site, it will return directly to the external caller.
               */
              function _fallback() internal virtual {
                  _beforeFallback();
                  _delegate(_implementation());
              }
          
              /**
               * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
               * function in the contract matches the call data.
               */
              fallback () external payable virtual {
                  _fallback();
              }
          
              /**
               * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
               * is empty.
               */
              receive () external payable virtual {
                  _fallback();
              }
          
              /**
               * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
               * call, or as part of the Solidity `fallback` or `receive` functions.
               *
               * If overriden should call `super._beforeFallback()`.
               */
              function _beforeFallback() internal virtual {
              }
          }
          
          
          /**
           * @dev This abstract contract provides getters and event emitting update functions for
           * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
           *
           * _Available since v4.1._
           *
           */
          abstract contract ERC1967Upgrade {
              // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
              bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
          
              /**
               * @dev Storage slot with the address of the current implementation.
               * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
               * validated in the constructor.
               */
              bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
          
              /**
               * @dev Emitted when the implementation is upgraded.
               */
              event Upgraded(address indexed implementation);
          
              /**
               * @dev Returns the current implementation address.
               */
              function _getImplementation() internal view returns (address) {
                  return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
              }
          
              /**
               * @dev Stores a new address in the EIP1967 implementation slot.
               */
              function _setImplementation(address newImplementation) private {
                  require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
                  StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
              }
          
              /**
               * @dev Perform implementation upgrade
               *
               * Emits an {Upgraded} event.
               */
              function _upgradeTo(address newImplementation) internal {
                  _setImplementation(newImplementation);
                  emit Upgraded(newImplementation);
              }
          
              /**
               * @dev Perform implementation upgrade with additional setup call.
               *
               * Emits an {Upgraded} event.
               */
              function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
                  _setImplementation(newImplementation);
                  emit Upgraded(newImplementation);
                  if (data.length > 0 || forceCall) {
                      Address.functionDelegateCall(newImplementation, data);
                  }
              }
          
              /**
               * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
               *
               * Emits an {Upgraded} event.
               */
              function _upgradeToAndCallSecure(address newImplementation, bytes memory data, bool forceCall) internal {
                  address oldImplementation = _getImplementation();
          
                  // Initial upgrade and setup call
                  _setImplementation(newImplementation);
                  if (data.length > 0 || forceCall) {
                      Address.functionDelegateCall(newImplementation, data);
                  }
          
                  // Perform rollback test if not already in progress
                  StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
                  if (!rollbackTesting.value) {
                      // Trigger rollback using upgradeTo from the new implementation
                      rollbackTesting.value = true;
                      Address.functionDelegateCall(
                          newImplementation,
                          abi.encodeWithSignature(
                              "upgradeTo(address)",
                              oldImplementation
                          )
                      );
                      rollbackTesting.value = false;
                      // Check rollback was effective
                      require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
                      // Finally reset to the new implementation and log the upgrade
                      _setImplementation(newImplementation);
                      emit Upgraded(newImplementation);
                  }
              }
          
              /**
               * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
               * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
               *
               * Emits a {BeaconUpgraded} event.
               */
              function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
                  _setBeacon(newBeacon);
                  emit BeaconUpgraded(newBeacon);
                  if (data.length > 0 || forceCall) {
                      Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
                  }
              }
          
              /**
               * @dev Storage slot with the admin of the contract.
               * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
               * validated in the constructor.
               */
              bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
          
              /**
               * @dev Emitted when the admin account has changed.
               */
              event AdminChanged(address previousAdmin, address newAdmin);
          
              /**
               * @dev Returns the current admin.
               */
              function _getAdmin() internal view returns (address) {
                  return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
              }
          
              /**
               * @dev Stores a new address in the EIP1967 admin slot.
               */
              function _setAdmin(address newAdmin) private {
                  require(newAdmin != address(0), "ERC1967: new admin is the zero address");
                  StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
              }
          
              /**
               * @dev Changes the admin of the proxy.
               *
               * Emits an {AdminChanged} event.
               */
              function _changeAdmin(address newAdmin) internal {
                  emit AdminChanged(_getAdmin(), newAdmin);
                  _setAdmin(newAdmin);
              }
          
              /**
               * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
               * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
               */
              bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
          
              /**
               * @dev Emitted when the beacon is upgraded.
               */
              event BeaconUpgraded(address indexed beacon);
          
              /**
               * @dev Returns the current beacon.
               */
              function _getBeacon() internal view returns (address) {
                  return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
              }
          
              /**
               * @dev Stores a new beacon in the EIP1967 beacon slot.
               */
              function _setBeacon(address newBeacon) private {
                  require(
                      Address.isContract(newBeacon),
                      "ERC1967: new beacon is not a contract"
                  );
                  require(
                      Address.isContract(IBeacon(newBeacon).implementation()),
                      "ERC1967: beacon implementation is not a contract"
                  );
                  StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
              }
          }
          
          /**
           * @dev This is the interface that {BeaconProxy} expects of its beacon.
           */
          interface IBeacon {
              /**
               * @dev Must return an address that can be used as a delegate call target.
               *
               * {BeaconProxy} will check that this address is a contract.
               */
              function implementation() external view returns (address);
          }
          
          /**
           * @dev Collection of functions related to the address type
           */
          library Address {
              /**
               * @dev Returns true if `account` is a contract.
               *
               * [IMPORTANT]
               * ====
               * It is unsafe to assume that an address for which this function returns
               * false is an externally-owned account (EOA) and not a contract.
               *
               * Among others, `isContract` will return false for the following
               * types of addresses:
               *
               *  - an externally-owned account
               *  - a contract in construction
               *  - an address where a contract will be created
               *  - an address where a contract lived, but was destroyed
               * ====
               */
              function isContract(address account) internal view returns (bool) {
                  // This method relies on extcodesize, which returns 0 for contracts in
                  // construction, since the code is only stored at the end of the
                  // constructor execution.
          
                  uint256 size;
                  // solhint-disable-next-line no-inline-assembly
                  assembly { size := extcodesize(account) }
                  return size > 0;
              }
          
              /**
               * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
               * `recipient`, forwarding all available gas and reverting on errors.
               *
               * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
               * of certain opcodes, possibly making contracts go over the 2300 gas limit
               * imposed by `transfer`, making them unable to receive funds via
               * `transfer`. {sendValue} removes this limitation.
               *
               * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
               *
               * IMPORTANT: because control is transferred to `recipient`, care must be
               * taken to not create reentrancy vulnerabilities. Consider using
               * {ReentrancyGuard} or the
               * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
               */
              function sendValue(address payable recipient, uint256 amount) internal {
                  require(address(this).balance >= amount, "Address: insufficient balance");
          
                  // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
                  (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");
          
                  // solhint-disable-next-line avoid-low-level-calls
                  (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");
          
                  // solhint-disable-next-line avoid-low-level-calls
                  (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");
          
                  // solhint-disable-next-line avoid-low-level-calls
                  (bool success, bytes memory returndata) = target.delegatecall(data);
                  return _verifyCallResult(success, returndata, errorMessage);
              }
          
              function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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
          
                          // solhint-disable-next-line no-inline-assembly
                          assembly {
                              let returndata_size := mload(returndata)
                              revert(add(32, returndata), returndata_size)
                          }
                      } else {
                          revert(errorMessage);
                      }
                  }
              }
          }
          
          /**
           * @dev Library for reading and writing primitive types to specific storage slots.
           *
           * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
           * This library helps with reading and writing to such slots without the need for inline assembly.
           *
           * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
           *
           * Example usage to set ERC1967 implementation slot:
           * ```
           * contract ERC1967 {
           *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
           *
           *     function _getImplementation() internal view returns (address) {
           *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
           *     }
           *
           *     function _setImplementation(address newImplementation) internal {
           *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
           *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
           *     }
           * }
           * ```
           *
           * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
           */
          library StorageSlot {
              struct AddressSlot {
                  address value;
              }
          
              struct BooleanSlot {
                  bool value;
              }
          
              struct Bytes32Slot {
                  bytes32 value;
              }
          
              struct Uint256Slot {
                  uint256 value;
              }
          
              /**
               * @dev Returns an `AddressSlot` with member `value` located at `slot`.
               */
              function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
                  assembly {
                      r.slot := slot
                  }
              }
          
              /**
               * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
               */
              function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
                  assembly {
                      r.slot := slot
                  }
              }
          
              /**
               * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
               */
              function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
                  assembly {
                      r.slot := slot
                  }
              }
          
              /**
               * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
               */
              function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
                  assembly {
                      r.slot := slot
                  }
              }
          }
          
          /*
           * @dev Provides information about the current execution context, including the
           * sender of the transaction and its data. While these are generally available
           * via msg.sender and msg.data, they should not be accessed in such a direct
           * manner, since when dealing with meta-transactions the account sending and
           * paying for execution may not be the actual sender (as far as an application
           * is concerned).
           *
           * This contract is only required for intermediate, library-like contracts.
           */
          abstract contract Context {
              function _msgSender() internal view virtual returns (address) {
                  return msg.sender;
              }
          
              function _msgData() internal view virtual returns (bytes calldata) {
                  this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
                  return msg.data;
              }
          }
          
          /**
           * @dev Contract module which provides a basic access control mechanism, where
           * there is an account (an owner) that can be granted exclusive access to
           * specific functions.
           *
           * By default, the owner account will be the one that deploys the contract. This
           * can later be changed with {transferOwnership}.
           *
           * This module is used through inheritance. It will make available the modifier
           * `onlyOwner`, which can be applied to your functions to restrict their use to
           * the owner.
           */
          abstract contract Ownable is Context {
              address private _owner;
          
              event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
          
              /**
               * @dev Initializes the contract setting the deployer as the initial owner.
               */
              constructor () {
                  address msgSender = _msgSender();
                  _owner = msgSender;
                  emit OwnershipTransferred(address(0), msgSender);
              }
          
              /**
               * @dev Returns the address of the current owner.
               */
              function owner() public view virtual returns (address) {
                  return _owner;
              }
          
              /**
               * @dev Throws if called by any account other than the owner.
               */
              modifier onlyOwner() {
                  require(owner() == _msgSender(), "Ownable: caller is not the owner");
                  _;
              }
          
              /**
               * @dev Leaves the contract without owner. It will not be possible to call
               * `onlyOwner` functions anymore. Can only be called by the current owner.
               *
               * NOTE: Renouncing ownership will leave the contract without an owner,
               * thereby removing any functionality that is only available to the owner.
               */
              function renounceOwnership() public virtual onlyOwner {
                  emit OwnershipTransferred(_owner, address(0));
                  _owner = address(0);
              }
          
              /**
               * @dev Transfers ownership of the contract to a new account (`newOwner`).
               * Can only be called by the current owner.
               */
              function transferOwnership(address newOwner) public virtual onlyOwner {
                  require(newOwner != address(0), "Ownable: new owner is the zero address");
                  emit OwnershipTransferred(_owner, newOwner);
                  _owner = newOwner;
              }
          }
          
          /**
           * @dev This is an auxiliary contract meant to be assigned as the admin of a {TransparentUpgradeableProxy}. For an
           * explanation of why you would want to use this see the documentation for {TransparentUpgradeableProxy}.
           */
          contract ProxyAdmin is Ownable {
          
              /**
               * @dev Returns the current implementation of `proxy`.
               *
               * Requirements:
               *
               * - This contract must be the admin of `proxy`.
               */
              function getProxyImplementation(TransparentUpgradeableProxy proxy) public view virtual returns (address) {
                  // We need to manually run the static call since the getter cannot be flagged as view
                  // bytes4(keccak256("implementation()")) == 0x5c60da1b
                  (bool success, bytes memory returndata) = address(proxy).staticcall(hex"5c60da1b");
                  require(success);
                  return abi.decode(returndata, (address));
              }
          
              /**
               * @dev Returns the current admin of `proxy`.
               *
               * Requirements:
               *
               * - This contract must be the admin of `proxy`.
               */
              function getProxyAdmin(TransparentUpgradeableProxy proxy) public view virtual returns (address) {
                  // We need to manually run the static call since the getter cannot be flagged as view
                  // bytes4(keccak256("admin()")) == 0xf851a440
                  (bool success, bytes memory returndata) = address(proxy).staticcall(hex"f851a440");
                  require(success);
                  return abi.decode(returndata, (address));
              }
          
              /**
               * @dev Changes the admin of `proxy` to `newAdmin`.
               *
               * Requirements:
               *
               * - This contract must be the current admin of `proxy`.
               */
              function changeProxyAdmin(TransparentUpgradeableProxy proxy, address newAdmin) public virtual onlyOwner {
                  proxy.changeAdmin(newAdmin);
              }
          
              /**
               * @dev Upgrades `proxy` to `implementation`. See {TransparentUpgradeableProxy-upgradeTo}.
               *
               * Requirements:
               *
               * - This contract must be the admin of `proxy`.
               */
              function upgrade(TransparentUpgradeableProxy proxy, address implementation) public virtual onlyOwner {
                  proxy.upgradeTo(implementation);
              }
          
              /**
               * @dev Upgrades `proxy` to `implementation` and calls a function on the new implementation. See
               * {TransparentUpgradeableProxy-upgradeToAndCall}.
               *
               * Requirements:
               *
               * - This contract must be the admin of `proxy`.
               */
              function upgradeAndCall(TransparentUpgradeableProxy proxy, address implementation, bytes memory data) public payable virtual onlyOwner {
                  proxy.upgradeToAndCall{value: msg.value}(implementation, data);
              }
          }
          
          
          /**
           * @dev Base contract for building openzeppelin-upgrades compatible implementations for the {ERC1967Proxy}. It includes
           * publicly available upgrade functions that are called by the plugin and by the secure upgrade mechanism to verify
           * continuation of the upgradability.
           *
           * The {_authorizeUpgrade} function MUST be overridden to include access restriction to the upgrade mechanism.
           *
           * _Available since v4.1._
           */
          abstract contract UUPSUpgradeable is ERC1967Upgrade {
              function upgradeTo(address newImplementation) external virtual {
                  _authorizeUpgrade(newImplementation);
                  _upgradeToAndCallSecure(newImplementation, bytes(""), false);
              }
          
              function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual {
                  _authorizeUpgrade(newImplementation);
                  _upgradeToAndCallSecure(newImplementation, data, true);
              }
          
              function _authorizeUpgrade(address newImplementation) internal virtual;
          }
          
          
          abstract contract Proxiable is UUPSUpgradeable {
              function _authorizeUpgrade(address newImplementation) internal override {
                  _beforeUpgrade(newImplementation);
              }
          
              function _beforeUpgrade(address newImplementation) internal virtual;
          }
          
          contract ChildOfProxiable is Proxiable {
              function _beforeUpgrade(address newImplementation) internal virtual override {}
          }
          
          
          /**
           * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
           * implementation address that can be changed. This address is stored in storage in the location specified by
           * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
           * implementation behind the proxy.
           */
          contract ERC1967Proxy is Proxy, ERC1967Upgrade {
              /**
               * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
               *
               * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
               * function call, and allows initializating the storage of the proxy like a Solidity constructor.
               */
              constructor(address _logic, bytes memory _data) payable {
                  assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
                  _upgradeToAndCall(_logic, _data, false);
              }
          
              /**
               * @dev Returns the current implementation address.
               */
              function _implementation() internal view virtual override returns (address impl) {
                  return ERC1967Upgrade._getImplementation();
              }
          }
          
          /**
           * @dev This contract implements a proxy that is upgradeable by an admin.
           *
           * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
           * clashing], which can potentially be used in an attack, this contract uses the
           * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
           * things that go hand in hand:
           *
           * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
           * that call matches one of the admin functions exposed by the proxy itself.
           * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
           * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
           * "admin cannot fallback to proxy target".
           *
           * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
           * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
           * to sudden errors when trying to call a function from the proxy implementation.
           *
           * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
           * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.
           */
          contract TransparentUpgradeableProxy is ERC1967Proxy {
              /**
               * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
               * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.
               */
              constructor(address _logic, address admin_, bytes memory _data) payable ERC1967Proxy(_logic, _data) {
                  assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
                  _changeAdmin(admin_);
              }
          
              /**
               * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
               */
              modifier ifAdmin() {
                  if (msg.sender == _getAdmin()) {
                      _;
                  } else {
                      _fallback();
                  }
              }
          
              /**
               * @dev Returns the current admin.
               *
               * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.
               *
               * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
               * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
               * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
               */
              function admin() external ifAdmin returns (address admin_) {
                  admin_ = _getAdmin();
              }
          
              /**
               * @dev Returns the current implementation.
               *
               * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
               *
               * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
               * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
               * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
               */
              function implementation() external ifAdmin returns (address implementation_) {
                  implementation_ = _implementation();
              }
          
              /**
               * @dev Changes the admin of the proxy.
               *
               * Emits an {AdminChanged} event.
               *
               * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.
               */
              function changeAdmin(address newAdmin) external virtual ifAdmin {
                  _changeAdmin(newAdmin);
              }
          
              /**
               * @dev Upgrade the implementation of the proxy.
               *
               * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.
               */
              function upgradeTo(address newImplementation) external ifAdmin {
                  _upgradeToAndCall(newImplementation, bytes(""), false);
              }
          
              /**
               * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
               * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
               * proxied contract.
               *
               * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
               */
              function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
                  _upgradeToAndCall(newImplementation, data, true);
              }
          
              /**
               * @dev Returns the current admin.
               */
              function _admin() internal view virtual returns (address) {
                  return _getAdmin();
              }
          
              /**
               * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
               */
              function _beforeFallback() internal virtual override {
                  require(msg.sender != _getAdmin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target");
                  super._beforeFallback();
              }
          }
          
          
          // Kept for backwards compatibility with older versions of Hardhat and Truffle plugins.
          contract AdminUpgradeabilityProxy is TransparentUpgradeableProxy {
              constructor(address logic, address admin, bytes memory data) payable TransparentUpgradeableProxy(logic, admin, data) {}
          }

          File 3 of 3: TengokuHuman
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
          import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721URIStorageUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721BurnableUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
          import "@openzeppelin/contracts-upgradeable/utils/cryptography/SignatureCheckerUpgradeable.sol";
          import "../interface/IIncubator.sol";
          import {DefaultOperatorFiltererUpgradeable} from "operator-filter-registry/src/upgradeable/DefaultOperatorFiltererUpgradeable.sol";
          contract TengokuHuman is
              Initializable,
              UUPSUpgradeable,
              PausableUpgradeable,
              AccessControlUpgradeable,
              ERC721Upgradeable,
              DefaultOperatorFiltererUpgradeable,
              ERC721EnumerableUpgradeable,
              ERC721URIStorageUpgradeable,
              ERC721BurnableUpgradeable,
              ReentrancyGuardUpgradeable,
              OwnableUpgradeable
          {
              mapping(bytes32 => bool) private signatureUsed;
              bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
              bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
              string public _baseTokenURI;
              address public tengoku2d;
              address public validator;
              address public incubator;
              uint256 public constant collectionSize = 2676;
              /// @custom:oz-upgrades-unsafe-allow constructor
              constructor() {
                  _disableInitializers();
              }
              function initialize(
                  address _validator,
                  address _tengoku2D,
                  address _incubator
              ) public initializer {
                  __ERC721_init("TENGOKU SPACE", "TengokuHuman");
                  __ERC721Enumerable_init();
                  __ERC721URIStorage_init();
                  __Pausable_init();
                  __Ownable_init();
                  __AccessControl_init();
                  __ReentrancyGuard_init();
                  __UUPSUpgradeable_init();
                  __DefaultOperatorFilterer_init();
                  tengoku2d = _tengoku2D;
                  validator = _validator;
                  incubator = _incubator;
                  _baseTokenURI = "https://droaqyb4mp3w7.cloudfront.net/incubation/metadata_3d/";
                  _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
                  _grantRole(PAUSER_ROLE, msg.sender);
                  _grantRole(MINTER_ROLE, msg.sender);
              }
              function setTenguku2D(address _tengoku2d)
                  external
                  onlyRole(DEFAULT_ADMIN_ROLE)
              {
                  tengoku2d = _tengoku2d;
              }
              function setValidator(address _validator)
                  external
                  onlyRole(DEFAULT_ADMIN_ROLE)
              {
                  validator = _validator;
              }
              function setIncubator(address _incubator)
                  external
                  onlyRole(DEFAULT_ADMIN_ROLE)
              {
                  incubator = _incubator;
              }
              function hashMessage(uint256[] memory tokenIds)
                  public
                  view
                  returns (bytes32)
              {
                  return keccak256(abi.encode(block.chainid, address(this), tokenIds));
              }
              function mintBatch(uint256[] memory tokenIds, bytes memory signature)
                  public
                  whenNotPaused
                  nonReentrant
              {
                  bytes32 hash = ECDSAUpgradeable.toEthSignedMessageHash(
                      hashMessage(tokenIds)
                  );
                  require(!signatureUsed[hash], "hash used");
                  require(
                      SignatureCheckerUpgradeable.isValidSignatureNow(
                          validator,
                          hash,
                          signature
                      ),
                      "invalid signature"
                  );
                  require(_checkTokenIds(tokenIds, msg.sender), "token id invalid");
                  for (uint256 i = 0; i < tokenIds.length; i++) {
                      _mint(msg.sender, tokenIds[i]);
                  }
                  signatureUsed[hash] = true;
                  require(totalSupply() <= collectionSize, "reached max");
              }
              function _checkTokenIds(uint256[] memory tokenIds, address owner)
                  internal
                  view
                  returns (bool result)
              {
                  uint256[] memory incubatorTokenIds = IIncubator(incubator).tokenIds(
                      owner
                  );
                  result = true;
                  for (uint256 i = 0; i < tokenIds.length; i++) {
                      if (IERC721Upgradeable(tengoku2d).ownerOf(tokenIds[i]) == owner) {
                          continue;
                      }
                      for (uint256 j = 0; j < incubatorTokenIds.length; j++) {
                          if (tokenIds[i] == incubatorTokenIds[j]) {
                              break;
                          } else if (j == incubatorTokenIds.length - 1) {
                              result = false;
                              return result;
                          }
                      }
                  }
              }
              function supportsInterface(bytes4 interfaceId)
                  public
                  view
                  override(
                      ERC721Upgradeable,
                      ERC721EnumerableUpgradeable,
                      AccessControlUpgradeable
                  )
                  returns (bool)
              {
                  return super.supportsInterface(interfaceId);
              }
              function setBaseURI(string calldata baseURI)
                  external
                  onlyRole(DEFAULT_ADMIN_ROLE)
              {
                  _baseTokenURI = baseURI;
              }
              function _baseURI() internal view override returns (string memory) {
                  return _baseTokenURI;
              }
              function pause() public onlyRole(PAUSER_ROLE) {
                  _pause();
              }
              function unpause() public onlyRole(PAUSER_ROLE) {
                  _unpause();
              }
              function _burn(uint256 tokenId)
                  internal
                  override(ERC721Upgradeable, ERC721URIStorageUpgradeable)
              {
                  super._burn(tokenId);
              }
              function tokenURI(uint256 tokenId)
                  public
                  view
                  override(ERC721Upgradeable, ERC721URIStorageUpgradeable)
                  returns (string memory)
              {
                  string memory prefixUrl = super.tokenURI(tokenId);
                  return string(abi.encodePacked(prefixUrl, ".json"));
              }
              function tokensExists(uint256[] calldata tokenIds)
                  public
                  view
                  returns (bool[] memory)
              {
                  bool[] memory results = new bool[](tokenIds.length);
                  for (uint256 i = 0; i < tokenIds.length; i++) {
                      results[i] = _exists(tokenIds[i]);
                  }
                  return results;
              }
              function _beforeTokenTransfer(
                  address from,
                  address to,
                  uint256 tokenId,
                  uint256 batchSize
              )
                  internal
                  override(ERC721Upgradeable, ERC721EnumerableUpgradeable)
                  whenNotPaused
              {
                  super._beforeTokenTransfer(from, to, tokenId, batchSize);
              }
              function _authorizeUpgrade(address newImplementation)
                  internal
                  override
                  onlyRole(DEFAULT_ADMIN_ROLE)
              {}
              // opensea stuff
              function transferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              )
                  public
                  override(ERC721Upgradeable, IERC721Upgradeable)
                  onlyAllowedOperator(from)
              {
                  super.transferFrom(from, to, tokenId);
              }
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              )
                  public
                  override(ERC721Upgradeable, IERC721Upgradeable)
                  onlyAllowedOperator(from)
              {
                  super.safeTransferFrom(from, to, tokenId);
              }
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId,
                  bytes memory data
              )
                  public
                  override(ERC721Upgradeable, IERC721Upgradeable)
                  onlyAllowedOperator(from)
              {
                  super.safeTransferFrom(from, to, tokenId, data);
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)
          pragma solidity ^0.8.0;
          import "../utils/ContextUpgradeable.sol";
          import "../proxy/utils/Initializable.sol";
          /**
           * @dev Contract module which allows children to implement an emergency stop
           * mechanism that can be triggered by an authorized account.
           *
           * This module is used through inheritance. It will make available the
           * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
           * the functions of your contract. Note that they will not be pausable by
           * simply including this module, only once the modifiers are put in place.
           */
          abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
              /**
               * @dev Emitted when the pause is triggered by `account`.
               */
              event Paused(address account);
              /**
               * @dev Emitted when the pause is lifted by `account`.
               */
              event Unpaused(address account);
              bool private _paused;
              /**
               * @dev Initializes the contract in unpaused state.
               */
              function __Pausable_init() internal onlyInitializing {
                  __Pausable_init_unchained();
              }
              function __Pausable_init_unchained() internal onlyInitializing {
                  _paused = false;
              }
              /**
               * @dev Modifier to make a function callable only when the contract is not paused.
               *
               * Requirements:
               *
               * - The contract must not be paused.
               */
              modifier whenNotPaused() {
                  _requireNotPaused();
                  _;
              }
              /**
               * @dev Modifier to make a function callable only when the contract is paused.
               *
               * Requirements:
               *
               * - The contract must be paused.
               */
              modifier whenPaused() {
                  _requirePaused();
                  _;
              }
              /**
               * @dev Returns true if the contract is paused, and false otherwise.
               */
              function paused() public view virtual returns (bool) {
                  return _paused;
              }
              /**
               * @dev Throws if the contract is paused.
               */
              function _requireNotPaused() internal view virtual {
                  require(!paused(), "Pausable: paused");
              }
              /**
               * @dev Throws if the contract is not paused.
               */
              function _requirePaused() internal view virtual {
                  require(paused(), "Pausable: not paused");
              }
              /**
               * @dev Triggers stopped state.
               *
               * Requirements:
               *
               * - The contract must not be paused.
               */
              function _pause() internal virtual whenNotPaused {
                  _paused = true;
                  emit Paused(_msgSender());
              }
              /**
               * @dev Returns to normal state.
               *
               * Requirements:
               *
               * - The contract must be paused.
               */
              function _unpause() internal virtual whenPaused {
                  _paused = false;
                  emit Unpaused(_msgSender());
              }
              /**
               * @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[49] private __gap;
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol)
          pragma solidity ^0.8.0;
          import "./IAccessControlUpgradeable.sol";
          import "../utils/ContextUpgradeable.sol";
          import "../utils/StringsUpgradeable.sol";
          import "../utils/introspection/ERC165Upgradeable.sol";
          import "../proxy/utils/Initializable.sol";
          /**
           * @dev Contract module that allows children to implement role-based access
           * control mechanisms. This is a lightweight version that doesn't allow enumerating role
           * members except through off-chain means by accessing the contract event logs. Some
           * applications may benefit from on-chain enumerability, for those cases see
           * {AccessControlEnumerable}.
           *
           * Roles are referred to by their `bytes32` identifier. These should be exposed
           * in the external API and be unique. The best way to achieve this is by
           * using `public constant` hash digests:
           *
           * ```
           * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
           * ```
           *
           * Roles can be used to represent a set of permissions. To restrict access to a
           * function call, use {hasRole}:
           *
           * ```
           * function foo() public {
           *     require(hasRole(MY_ROLE, msg.sender));
           *     ...
           * }
           * ```
           *
           * Roles can be granted and revoked dynamically via the {grantRole} and
           * {revokeRole} functions. Each role has an associated admin role, and only
           * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
           *
           * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
           * that only accounts with this role will be able to grant or revoke other
           * roles. More complex role relationships can be created by using
           * {_setRoleAdmin}.
           *
           * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
           * grant and revoke this role. Extra precautions should be taken to secure
           * accounts that have been granted it.
           */
          abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
              function __AccessControl_init() internal onlyInitializing {
              }
              function __AccessControl_init_unchained() internal onlyInitializing {
              }
              struct RoleData {
                  mapping(address => bool) members;
                  bytes32 adminRole;
              }
              mapping(bytes32 => RoleData) private _roles;
              bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
              /**
               * @dev Modifier that checks that an account has a specific role. Reverts
               * with a standardized message including the required role.
               *
               * The format of the revert reason is given by the following regular expression:
               *
               *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
               *
               * _Available since v4.1._
               */
              modifier onlyRole(bytes32 role) {
                  _checkRole(role);
                  _;
              }
              /**
               * @dev See {IERC165-supportsInterface}.
               */
              function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
                  return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
              }
              /**
               * @dev Returns `true` if `account` has been granted `role`.
               */
              function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
                  return _roles[role].members[account];
              }
              /**
               * @dev Revert with a standard message if `_msgSender()` is missing `role`.
               * Overriding this function changes the behavior of the {onlyRole} modifier.
               *
               * Format of the revert message is described in {_checkRole}.
               *
               * _Available since v4.6._
               */
              function _checkRole(bytes32 role) internal view virtual {
                  _checkRole(role, _msgSender());
              }
              /**
               * @dev Revert with a standard message if `account` is missing `role`.
               *
               * The format of the revert reason is given by the following regular expression:
               *
               *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
               */
              function _checkRole(bytes32 role, address account) internal view virtual {
                  if (!hasRole(role, account)) {
                      revert(
                          string(
                              abi.encodePacked(
                                  "AccessControl: account ",
                                  StringsUpgradeable.toHexString(account),
                                  " is missing role ",
                                  StringsUpgradeable.toHexString(uint256(role), 32)
                              )
                          )
                      );
                  }
              }
              /**
               * @dev Returns the admin role that controls `role`. See {grantRole} and
               * {revokeRole}.
               *
               * To change a role's admin, use {_setRoleAdmin}.
               */
              function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
                  return _roles[role].adminRole;
              }
              /**
               * @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.
               *
               * May emit a {RoleGranted} event.
               */
              function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
                  _grantRole(role, account);
              }
              /**
               * @dev Revokes `role` from `account`.
               *
               * If `account` had been granted `role`, emits a {RoleRevoked} event.
               *
               * Requirements:
               *
               * - the caller must have ``role``'s admin role.
               *
               * May emit a {RoleRevoked} event.
               */
              function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
                  _revokeRole(role, account);
              }
              /**
               * @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 revoked `role`, emits a {RoleRevoked}
               * event.
               *
               * Requirements:
               *
               * - the caller must be `account`.
               *
               * May emit a {RoleRevoked} event.
               */
              function renounceRole(bytes32 role, address account) public virtual override {
                  require(account == _msgSender(), "AccessControl: can only renounce roles for self");
                  _revokeRole(role, account);
              }
              /**
               * @dev Grants `role` to `account`.
               *
               * If `account` had not been already granted `role`, emits a {RoleGranted}
               * event. Note that unlike {grantRole}, this function doesn't perform any
               * checks on the calling account.
               *
               * May emit a {RoleGranted} event.
               *
               * [WARNING]
               * ====
               * This function should only be called from the constructor when setting
               * up the initial roles for the system.
               *
               * Using this function in any other way is effectively circumventing the admin
               * system imposed by {AccessControl}.
               * ====
               *
               * NOTE: This function is deprecated in favor of {_grantRole}.
               */
              function _setupRole(bytes32 role, address account) internal virtual {
                  _grantRole(role, account);
              }
              /**
               * @dev Sets `adminRole` as ``role``'s admin role.
               *
               * Emits a {RoleAdminChanged} event.
               */
              function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
                  bytes32 previousAdminRole = getRoleAdmin(role);
                  _roles[role].adminRole = adminRole;
                  emit RoleAdminChanged(role, previousAdminRole, adminRole);
              }
              /**
               * @dev Grants `role` to `account`.
               *
               * Internal function without access restriction.
               *
               * May emit a {RoleGranted} event.
               */
              function _grantRole(bytes32 role, address account) internal virtual {
                  if (!hasRole(role, account)) {
                      _roles[role].members[account] = true;
                      emit RoleGranted(role, account, _msgSender());
                  }
              }
              /**
               * @dev Revokes `role` from `account`.
               *
               * Internal function without access restriction.
               *
               * May emit a {RoleRevoked} event.
               */
              function _revokeRole(bytes32 role, address account) internal virtual {
                  if (hasRole(role, account)) {
                      _roles[role].members[account] = false;
                      emit RoleRevoked(role, account, _msgSender());
                  }
              }
              /**
               * @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[49] private __gap;
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
          pragma solidity ^0.8.0;
          import "../utils/ContextUpgradeable.sol";
          import "../proxy/utils/Initializable.sol";
          /**
           * @dev Contract module which provides a basic access control mechanism, where
           * there is an account (an owner) that can be granted exclusive access to
           * specific functions.
           *
           * By default, the owner account will be the one that deploys the contract. This
           * can later be changed with {transferOwnership}.
           *
           * This module is used through inheritance. It will make available the modifier
           * `onlyOwner`, which can be applied to your functions to restrict their use to
           * the owner.
           */
          abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
              address private _owner;
              event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
              /**
               * @dev Initializes the contract setting the deployer as the initial owner.
               */
              function __Ownable_init() internal onlyInitializing {
                  __Ownable_init_unchained();
              }
              function __Ownable_init_unchained() internal onlyInitializing {
                  _transferOwnership(_msgSender());
              }
              /**
               * @dev Throws if called by any account other than the owner.
               */
              modifier onlyOwner() {
                  _checkOwner();
                  _;
              }
              /**
               * @dev Returns the address of the current owner.
               */
              function owner() public view virtual returns (address) {
                  return _owner;
              }
              /**
               * @dev Throws if the sender is not the owner.
               */
              function _checkOwner() internal view virtual {
                  require(owner() == _msgSender(), "Ownable: caller is not the owner");
              }
              /**
               * @dev Leaves the contract without owner. It will not be possible to call
               * `onlyOwner` functions anymore. Can only be called by the current owner.
               *
               * NOTE: Renouncing ownership will leave the contract without an owner,
               * thereby removing any functionality that is only available to the owner.
               */
              function renounceOwnership() public virtual onlyOwner {
                  _transferOwnership(address(0));
              }
              /**
               * @dev Transfers ownership of the contract to a new account (`newOwner`).
               * Can only be called by the current owner.
               */
              function transferOwnership(address newOwner) public virtual onlyOwner {
                  require(newOwner != address(0), "Ownable: new owner is the zero address");
                  _transferOwnership(newOwner);
              }
              /**
               * @dev Transfers ownership of the contract to a new account (`newOwner`).
               * Internal function without access restriction.
               */
              function _transferOwnership(address newOwner) internal virtual {
                  address oldOwner = _owner;
                  _owner = newOwner;
                  emit OwnershipTransferred(oldOwner, newOwner);
              }
              /**
               * @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[49] private __gap;
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (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.
               *
               * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
               * constructor.
               *
               * Emits an {Initialized} event.
               */
              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.
               *
               * 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.
               *
               * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
               * cannot be nested. If one is invoked in the context of another, execution will revert.
               *
               * 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.
               *
               * WARNING: setting the version to 255 will prevent any future reinitialization.
               *
               * Emits an {Initialized} event.
               */
              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.
               *
               * Emits an {Initialized} event the first time it is successfully executed.
               */
              function _disableInitializers() internal virtual {
                  require(!_initializing, "Initializable: contract is initializing");
                  if (_initialized < type(uint8).max) {
                      _initialized = type(uint8).max;
                      emit Initialized(type(uint8).max);
                  }
              }
              /**
               * @dev Internal function that returns the initialized version. Returns `_initialized`
               */
              function _getInitializedVersion() internal view returns (uint8) {
                  return _initialized;
              }
              /**
               * @dev Internal function that returns the initialized version. Returns `_initializing`
               */
              function _isInitializing() internal view returns (bool) {
                  return _initializing;
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (proxy/utils/UUPSUpgradeable.sol)
          pragma solidity ^0.8.0;
          import "../../interfaces/draft-IERC1822Upgradeable.sol";
          import "../ERC1967/ERC1967UpgradeUpgradeable.sol";
          import "./Initializable.sol";
          /**
           * @dev An upgradeability mechanism designed for UUPS proxies. The functions included here can perform an upgrade of an
           * {ERC1967Proxy}, when this contract is set as the implementation behind such a proxy.
           *
           * A security mechanism ensures that an upgrade does not turn off upgradeability accidentally, although this risk is
           * reinstated if the upgrade retains upgradeability but removes the security mechanism, e.g. by replacing
           * `UUPSUpgradeable` with a custom implementation of upgrades.
           *
           * The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
           *
           * _Available since v4.1._
           */
          abstract contract UUPSUpgradeable is Initializable, IERC1822ProxiableUpgradeable, ERC1967UpgradeUpgradeable {
              function __UUPSUpgradeable_init() internal onlyInitializing {
              }
              function __UUPSUpgradeable_init_unchained() internal onlyInitializing {
              }
              /// @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment
              address private immutable __self = address(this);
              /**
               * @dev Check that the execution is being performed through a delegatecall call and that the execution context is
               * a proxy contract with an implementation (as defined in ERC1967) pointing to self. This should only be the case
               * for UUPS and transparent proxies that are using the current contract as their implementation. Execution of a
               * function through ERC1167 minimal proxies (clones) would not normally pass this test, but is not guaranteed to
               * fail.
               */
              modifier onlyProxy() {
                  require(address(this) != __self, "Function must be called through delegatecall");
                  require(_getImplementation() == __self, "Function must be called through active proxy");
                  _;
              }
              /**
               * @dev Check that the execution is not being performed through a delegate call. This allows a function to be
               * callable on the implementing contract but not through proxies.
               */
              modifier notDelegated() {
                  require(address(this) == __self, "UUPSUpgradeable: must not be called through delegatecall");
                  _;
              }
              /**
               * @dev Implementation of the ERC1822 {proxiableUUID} function. This returns the storage slot used by the
               * implementation. It is used to validate the implementation's compatibility when performing an upgrade.
               *
               * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
               * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
               * function revert if invoked through a proxy. This is guaranteed by the `notDelegated` modifier.
               */
              function proxiableUUID() external view virtual override notDelegated returns (bytes32) {
                  return _IMPLEMENTATION_SLOT;
              }
              /**
               * @dev Upgrade the implementation of the proxy to `newImplementation`.
               *
               * Calls {_authorizeUpgrade}.
               *
               * Emits an {Upgraded} event.
               */
              function upgradeTo(address newImplementation) external virtual onlyProxy {
                  _authorizeUpgrade(newImplementation);
                  _upgradeToAndCallUUPS(newImplementation, new bytes(0), false);
              }
              /**
               * @dev Upgrade the implementation of the proxy to `newImplementation`, and subsequently execute the function call
               * encoded in `data`.
               *
               * Calls {_authorizeUpgrade}.
               *
               * Emits an {Upgraded} event.
               */
              function upgradeToAndCall(address newImplementation, bytes memory data) external payable virtual onlyProxy {
                  _authorizeUpgrade(newImplementation);
                  _upgradeToAndCallUUPS(newImplementation, data, true);
              }
              /**
               * @dev Function that should revert when `msg.sender` is not authorized to upgrade the contract. Called by
               * {upgradeTo} and {upgradeToAndCall}.
               *
               * Normally, this function will use an xref:access.adoc[access control] modifier such as {Ownable-onlyOwner}.
               *
               * ```solidity
               * function _authorizeUpgrade(address) internal override onlyOwner {}
               * ```
               */
              function _authorizeUpgrade(address newImplementation) internal virtual;
              /**
               * @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 v4.8.0) (token/ERC721/ERC721.sol)
          pragma solidity ^0.8.0;
          import "./IERC721Upgradeable.sol";
          import "./IERC721ReceiverUpgradeable.sol";
          import "./extensions/IERC721MetadataUpgradeable.sol";
          import "../../utils/AddressUpgradeable.sol";
          import "../../utils/ContextUpgradeable.sol";
          import "../../utils/StringsUpgradeable.sol";
          import "../../utils/introspection/ERC165Upgradeable.sol";
          import "../../proxy/utils/Initializable.sol";
          /**
           * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
           * the Metadata extension, but not including the Enumerable extension, which is available separately as
           * {ERC721Enumerable}.
           */
          contract ERC721Upgradeable is Initializable, ContextUpgradeable, ERC165Upgradeable, IERC721Upgradeable, IERC721MetadataUpgradeable {
              using AddressUpgradeable for address;
              using StringsUpgradeable for uint256;
              // Token name
              string private _name;
              // Token symbol
              string private _symbol;
              // Mapping from token ID to owner address
              mapping(uint256 => address) private _owners;
              // Mapping owner address to token count
              mapping(address => uint256) private _balances;
              // Mapping from token ID to approved address
              mapping(uint256 => address) private _tokenApprovals;
              // Mapping from owner to operator approvals
              mapping(address => mapping(address => bool)) private _operatorApprovals;
              /**
               * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
               */
              function __ERC721_init(string memory name_, string memory symbol_) internal onlyInitializing {
                  __ERC721_init_unchained(name_, symbol_);
              }
              function __ERC721_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
                  _name = name_;
                  _symbol = symbol_;
              }
              /**
               * @dev See {IERC165-supportsInterface}.
               */
              function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165Upgradeable, IERC165Upgradeable) returns (bool) {
                  return
                      interfaceId == type(IERC721Upgradeable).interfaceId ||
                      interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
                      super.supportsInterface(interfaceId);
              }
              /**
               * @dev See {IERC721-balanceOf}.
               */
              function balanceOf(address owner) public view virtual override returns (uint256) {
                  require(owner != address(0), "ERC721: address zero is not a valid owner");
                  return _balances[owner];
              }
              /**
               * @dev See {IERC721-ownerOf}.
               */
              function ownerOf(uint256 tokenId) public view virtual override returns (address) {
                  address owner = _ownerOf(tokenId);
                  require(owner != address(0), "ERC721: invalid token ID");
                  return owner;
              }
              /**
               * @dev See {IERC721Metadata-name}.
               */
              function name() public view virtual override returns (string memory) {
                  return _name;
              }
              /**
               * @dev See {IERC721Metadata-symbol}.
               */
              function symbol() public view virtual override returns (string memory) {
                  return _symbol;
              }
              /**
               * @dev See {IERC721Metadata-tokenURI}.
               */
              function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
                  _requireMinted(tokenId);
                  string memory baseURI = _baseURI();
                  return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
              }
              /**
               * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
               * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
               * by default, can be overridden in child contracts.
               */
              function _baseURI() internal view virtual returns (string memory) {
                  return "";
              }
              /**
               * @dev See {IERC721-approve}.
               */
              function approve(address to, uint256 tokenId) public virtual override {
                  address owner = ERC721Upgradeable.ownerOf(tokenId);
                  require(to != owner, "ERC721: approval to current owner");
                  require(
                      _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
                      "ERC721: approve caller is not token owner or approved for all"
                  );
                  _approve(to, tokenId);
              }
              /**
               * @dev See {IERC721-getApproved}.
               */
              function getApproved(uint256 tokenId) public view virtual override returns (address) {
                  _requireMinted(tokenId);
                  return _tokenApprovals[tokenId];
              }
              /**
               * @dev See {IERC721-setApprovalForAll}.
               */
              function setApprovalForAll(address operator, bool approved) public virtual override {
                  _setApprovalForAll(_msgSender(), operator, approved);
              }
              /**
               * @dev See {IERC721-isApprovedForAll}.
               */
              function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
                  return _operatorApprovals[owner][operator];
              }
              /**
               * @dev See {IERC721-transferFrom}.
               */
              function transferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              ) public virtual override {
                  //solhint-disable-next-line max-line-length
                  require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");
                  _transfer(from, to, tokenId);
              }
              /**
               * @dev See {IERC721-safeTransferFrom}.
               */
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              ) public virtual override {
                  safeTransferFrom(from, to, tokenId, "");
              }
              /**
               * @dev See {IERC721-safeTransferFrom}.
               */
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId,
                  bytes memory data
              ) public virtual override {
                  require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");
                  _safeTransfer(from, to, tokenId, data);
              }
              /**
               * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
               * are aware of the ERC721 protocol to prevent tokens from being forever locked.
               *
               * `data` is additional data, it has no specified format and it is sent in call to `to`.
               *
               * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
               * implement alternative mechanisms to perform token transfer, such as signature-based.
               *
               * Requirements:
               *
               * - `from` cannot be the zero address.
               * - `to` cannot be the zero address.
               * - `tokenId` token must exist and be owned by `from`.
               * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
               *
               * Emits a {Transfer} event.
               */
              function _safeTransfer(
                  address from,
                  address to,
                  uint256 tokenId,
                  bytes memory data
              ) internal virtual {
                  _transfer(from, to, tokenId);
                  require(_checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer");
              }
              /**
               * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist
               */
              function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
                  return _owners[tokenId];
              }
              /**
               * @dev Returns whether `tokenId` exists.
               *
               * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
               *
               * Tokens start existing when they are minted (`_mint`),
               * and stop existing when they are burned (`_burn`).
               */
              function _exists(uint256 tokenId) internal view virtual returns (bool) {
                  return _ownerOf(tokenId) != address(0);
              }
              /**
               * @dev Returns whether `spender` is allowed to manage `tokenId`.
               *
               * Requirements:
               *
               * - `tokenId` must exist.
               */
              function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
                  address owner = ERC721Upgradeable.ownerOf(tokenId);
                  return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);
              }
              /**
               * @dev Safely mints `tokenId` and transfers it to `to`.
               *
               * Requirements:
               *
               * - `tokenId` must not exist.
               * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
               *
               * Emits a {Transfer} event.
               */
              function _safeMint(address to, uint256 tokenId) internal virtual {
                  _safeMint(to, tokenId, "");
              }
              /**
               * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
               * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
               */
              function _safeMint(
                  address to,
                  uint256 tokenId,
                  bytes memory data
              ) internal virtual {
                  _mint(to, tokenId);
                  require(
                      _checkOnERC721Received(address(0), to, tokenId, data),
                      "ERC721: transfer to non ERC721Receiver implementer"
                  );
              }
              /**
               * @dev Mints `tokenId` and transfers it to `to`.
               *
               * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
               *
               * Requirements:
               *
               * - `tokenId` must not exist.
               * - `to` cannot be the zero address.
               *
               * Emits a {Transfer} event.
               */
              function _mint(address to, uint256 tokenId) internal virtual {
                  require(to != address(0), "ERC721: mint to the zero address");
                  require(!_exists(tokenId), "ERC721: token already minted");
                  _beforeTokenTransfer(address(0), to, tokenId, 1);
                  // Check that tokenId was not minted by `_beforeTokenTransfer` hook
                  require(!_exists(tokenId), "ERC721: token already minted");
                  unchecked {
                      // Will not overflow unless all 2**256 token ids are minted to the same owner.
                      // Given that tokens are minted one by one, it is impossible in practice that
                      // this ever happens. Might change if we allow batch minting.
                      // The ERC fails to describe this case.
                      _balances[to] += 1;
                  }
                  _owners[tokenId] = to;
                  emit Transfer(address(0), to, tokenId);
                  _afterTokenTransfer(address(0), to, tokenId, 1);
              }
              /**
               * @dev Destroys `tokenId`.
               * The approval is cleared when the token is burned.
               * This is an internal function that does not check if the sender is authorized to operate on the token.
               *
               * Requirements:
               *
               * - `tokenId` must exist.
               *
               * Emits a {Transfer} event.
               */
              function _burn(uint256 tokenId) internal virtual {
                  address owner = ERC721Upgradeable.ownerOf(tokenId);
                  _beforeTokenTransfer(owner, address(0), tokenId, 1);
                  // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook
                  owner = ERC721Upgradeable.ownerOf(tokenId);
                  // Clear approvals
                  delete _tokenApprovals[tokenId];
                  unchecked {
                      // Cannot overflow, as that would require more tokens to be burned/transferred
                      // out than the owner initially received through minting and transferring in.
                      _balances[owner] -= 1;
                  }
                  delete _owners[tokenId];
                  emit Transfer(owner, address(0), tokenId);
                  _afterTokenTransfer(owner, address(0), tokenId, 1);
              }
              /**
               * @dev Transfers `tokenId` from `from` to `to`.
               *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
               *
               * Requirements:
               *
               * - `to` cannot be the zero address.
               * - `tokenId` token must be owned by `from`.
               *
               * Emits a {Transfer} event.
               */
              function _transfer(
                  address from,
                  address to,
                  uint256 tokenId
              ) internal virtual {
                  require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
                  require(to != address(0), "ERC721: transfer to the zero address");
                  _beforeTokenTransfer(from, to, tokenId, 1);
                  // Check that tokenId was not transferred by `_beforeTokenTransfer` hook
                  require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
                  // Clear approvals from the previous owner
                  delete _tokenApprovals[tokenId];
                  unchecked {
                      // `_balances[from]` cannot overflow for the same reason as described in `_burn`:
                      // `from`'s balance is the number of token held, which is at least one before the current
                      // transfer.
                      // `_balances[to]` could overflow in the conditions described in `_mint`. That would require
                      // all 2**256 token ids to be minted, which in practice is impossible.
                      _balances[from] -= 1;
                      _balances[to] += 1;
                  }
                  _owners[tokenId] = to;
                  emit Transfer(from, to, tokenId);
                  _afterTokenTransfer(from, to, tokenId, 1);
              }
              /**
               * @dev Approve `to` to operate on `tokenId`
               *
               * Emits an {Approval} event.
               */
              function _approve(address to, uint256 tokenId) internal virtual {
                  _tokenApprovals[tokenId] = to;
                  emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);
              }
              /**
               * @dev Approve `operator` to operate on all of `owner` tokens
               *
               * Emits an {ApprovalForAll} event.
               */
              function _setApprovalForAll(
                  address owner,
                  address operator,
                  bool approved
              ) internal virtual {
                  require(owner != operator, "ERC721: approve to caller");
                  _operatorApprovals[owner][operator] = approved;
                  emit ApprovalForAll(owner, operator, approved);
              }
              /**
               * @dev Reverts if the `tokenId` has not been minted yet.
               */
              function _requireMinted(uint256 tokenId) internal view virtual {
                  require(_exists(tokenId), "ERC721: invalid token ID");
              }
              /**
               * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
               * The call is not executed if the target address is not a contract.
               *
               * @param from address representing the previous owner of the given token ID
               * @param to target address that will receive the tokens
               * @param tokenId uint256 ID of the token to be transferred
               * @param data bytes optional data to send along with the call
               * @return bool whether the call correctly returned the expected magic value
               */
              function _checkOnERC721Received(
                  address from,
                  address to,
                  uint256 tokenId,
                  bytes memory data
              ) private returns (bool) {
                  if (to.isContract()) {
                      try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {
                          return retval == IERC721ReceiverUpgradeable.onERC721Received.selector;
                      } catch (bytes memory reason) {
                          if (reason.length == 0) {
                              revert("ERC721: transfer to non ERC721Receiver implementer");
                          } else {
                              /// @solidity memory-safe-assembly
                              assembly {
                                  revert(add(32, reason), mload(reason))
                              }
                          }
                      }
                  } else {
                      return true;
                  }
              }
              /**
               * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is
               * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
               *
               * Calling conditions:
               *
               * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.
               * - When `from` is zero, the tokens will be minted for `to`.
               * - When `to` is zero, ``from``'s tokens will be burned.
               * - `from` and `to` are never both zero.
               * - `batchSize` is non-zero.
               *
               * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
               */
              function _beforeTokenTransfer(
                  address from,
                  address to,
                  uint256, /* firstTokenId */
                  uint256 batchSize
              ) internal virtual {
                  if (batchSize > 1) {
                      if (from != address(0)) {
                          _balances[from] -= batchSize;
                      }
                      if (to != address(0)) {
                          _balances[to] += batchSize;
                      }
                  }
              }
              /**
               * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is
               * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
               *
               * Calling conditions:
               *
               * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.
               * - When `from` is zero, the tokens were minted for `to`.
               * - When `to` is zero, ``from``'s tokens were burned.
               * - `from` and `to` are never both zero.
               * - `batchSize` is non-zero.
               *
               * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
               */
              function _afterTokenTransfer(
                  address from,
                  address to,
                  uint256 firstTokenId,
                  uint256 batchSize
              ) internal virtual {}
              /**
               * @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[44] private __gap;
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol)
          pragma solidity ^0.8.0;
          import "../ERC721Upgradeable.sol";
          import "./IERC721EnumerableUpgradeable.sol";
          import "../../../proxy/utils/Initializable.sol";
          /**
           * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
           * enumerability of all the token ids in the contract as well as all token ids owned by each
           * account.
           */
          abstract contract ERC721EnumerableUpgradeable is Initializable, ERC721Upgradeable, IERC721EnumerableUpgradeable {
              function __ERC721Enumerable_init() internal onlyInitializing {
              }
              function __ERC721Enumerable_init_unchained() internal onlyInitializing {
              }
              // Mapping from owner to list of owned token IDs
              mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
              // Mapping from token ID to index of the owner tokens list
              mapping(uint256 => uint256) private _ownedTokensIndex;
              // Array with all token ids, used for enumeration
              uint256[] private _allTokens;
              // Mapping from token id to position in the allTokens array
              mapping(uint256 => uint256) private _allTokensIndex;
              /**
               * @dev See {IERC165-supportsInterface}.
               */
              function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165Upgradeable, ERC721Upgradeable) returns (bool) {
                  return interfaceId == type(IERC721EnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId);
              }
              /**
               * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
               */
              function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
                  require(index < ERC721Upgradeable.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
                  return _ownedTokens[owner][index];
              }
              /**
               * @dev See {IERC721Enumerable-totalSupply}.
               */
              function totalSupply() public view virtual override returns (uint256) {
                  return _allTokens.length;
              }
              /**
               * @dev See {IERC721Enumerable-tokenByIndex}.
               */
              function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
                  require(index < ERC721EnumerableUpgradeable.totalSupply(), "ERC721Enumerable: global index out of bounds");
                  return _allTokens[index];
              }
              /**
               * @dev See {ERC721-_beforeTokenTransfer}.
               */
              function _beforeTokenTransfer(
                  address from,
                  address to,
                  uint256 firstTokenId,
                  uint256 batchSize
              ) internal virtual override {
                  super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
                  if (batchSize > 1) {
                      // Will only trigger during construction. Batch transferring (minting) is not available afterwards.
                      revert("ERC721Enumerable: consecutive transfers not supported");
                  }
                  uint256 tokenId = firstTokenId;
                  if (from == address(0)) {
                      _addTokenToAllTokensEnumeration(tokenId);
                  } else if (from != to) {
                      _removeTokenFromOwnerEnumeration(from, tokenId);
                  }
                  if (to == address(0)) {
                      _removeTokenFromAllTokensEnumeration(tokenId);
                  } else if (to != from) {
                      _addTokenToOwnerEnumeration(to, tokenId);
                  }
              }
              /**
               * @dev Private function to add a token to this extension's ownership-tracking data structures.
               * @param to address representing the new owner of the given token ID
               * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
               */
              function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
                  uint256 length = ERC721Upgradeable.balanceOf(to);
                  _ownedTokens[to][length] = tokenId;
                  _ownedTokensIndex[tokenId] = length;
              }
              /**
               * @dev Private function to add a token to this extension's token tracking data structures.
               * @param tokenId uint256 ID of the token to be added to the tokens list
               */
              function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
                  _allTokensIndex[tokenId] = _allTokens.length;
                  _allTokens.push(tokenId);
              }
              /**
               * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
               * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
               * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
               * This has O(1) time complexity, but alters the order of the _ownedTokens array.
               * @param from address representing the previous owner of the given token ID
               * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
               */
              function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
                  // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
                  // then delete the last slot (swap and pop).
                  uint256 lastTokenIndex = ERC721Upgradeable.balanceOf(from) - 1;
                  uint256 tokenIndex = _ownedTokensIndex[tokenId];
                  // When the token to delete is the last token, the swap operation is unnecessary
                  if (tokenIndex != lastTokenIndex) {
                      uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
                      _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
                      _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
                  }
                  // This also deletes the contents at the last position of the array
                  delete _ownedTokensIndex[tokenId];
                  delete _ownedTokens[from][lastTokenIndex];
              }
              /**
               * @dev Private function to remove a token from this extension's token tracking data structures.
               * This has O(1) time complexity, but alters the order of the _allTokens array.
               * @param tokenId uint256 ID of the token to be removed from the tokens list
               */
              function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
                  // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
                  // then delete the last slot (swap and pop).
                  uint256 lastTokenIndex = _allTokens.length - 1;
                  uint256 tokenIndex = _allTokensIndex[tokenId];
                  // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
                  // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
                  // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
                  uint256 lastTokenId = _allTokens[lastTokenIndex];
                  _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
                  _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
                  // This also deletes the contents at the last position of the array
                  delete _allTokensIndex[tokenId];
                  _allTokens.pop();
              }
              /**
               * @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[46] private __gap;
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/extensions/ERC721URIStorage.sol)
          pragma solidity ^0.8.0;
          import "../ERC721Upgradeable.sol";
          import "../../../proxy/utils/Initializable.sol";
          /**
           * @dev ERC721 token with storage based token URI management.
           */
          abstract contract ERC721URIStorageUpgradeable is Initializable, ERC721Upgradeable {
              function __ERC721URIStorage_init() internal onlyInitializing {
              }
              function __ERC721URIStorage_init_unchained() internal onlyInitializing {
              }
              using StringsUpgradeable for uint256;
              // Optional mapping for token URIs
              mapping(uint256 => string) private _tokenURIs;
              /**
               * @dev See {IERC721Metadata-tokenURI}.
               */
              function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
                  _requireMinted(tokenId);
                  string memory _tokenURI = _tokenURIs[tokenId];
                  string memory base = _baseURI();
                  // If there is no base URI, return the token URI.
                  if (bytes(base).length == 0) {
                      return _tokenURI;
                  }
                  // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
                  if (bytes(_tokenURI).length > 0) {
                      return string(abi.encodePacked(base, _tokenURI));
                  }
                  return super.tokenURI(tokenId);
              }
              /**
               * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
               *
               * Requirements:
               *
               * - `tokenId` must exist.
               */
              function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
                  require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token");
                  _tokenURIs[tokenId] = _tokenURI;
              }
              /**
               * @dev See {ERC721-_burn}. This override additionally checks to see if a
               * token-specific URI was set for the token, and if so, it deletes the token URI from
               * the storage mapping.
               */
              function _burn(uint256 tokenId) internal virtual override {
                  super._burn(tokenId);
                  if (bytes(_tokenURIs[tokenId]).length != 0) {
                      delete _tokenURIs[tokenId];
                  }
              }
              /**
               * @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[49] private __gap;
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Burnable.sol)
          pragma solidity ^0.8.0;
          import "../ERC721Upgradeable.sol";
          import "../../../utils/ContextUpgradeable.sol";
          import "../../../proxy/utils/Initializable.sol";
          /**
           * @title ERC721 Burnable Token
           * @dev ERC721 Token that can be burned (destroyed).
           */
          abstract contract ERC721BurnableUpgradeable is Initializable, ContextUpgradeable, ERC721Upgradeable {
              function __ERC721Burnable_init() internal onlyInitializing {
              }
              function __ERC721Burnable_init_unchained() internal onlyInitializing {
              }
              /**
               * @dev Burns `tokenId`. See {ERC721-_burn}.
               *
               * Requirements:
               *
               * - The caller must own `tokenId` or be an approved operator.
               */
              function burn(uint256 tokenId) public virtual {
                  //solhint-disable-next-line max-line-length
                  require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner or approved");
                  _burn(tokenId);
              }
              /**
               * @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 v4.8.0) (security/ReentrancyGuard.sol)
          pragma solidity ^0.8.0;
          import "../proxy/utils/Initializable.sol";
          /**
           * @dev Contract module that helps prevent reentrant calls to a function.
           *
           * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
           * available, which can be applied to functions to make sure there are no nested
           * (reentrant) calls to them.
           *
           * Note that because there is a single `nonReentrant` guard, functions marked as
           * `nonReentrant` may not call one another. This can be worked around by making
           * those functions `private`, and then adding `external` `nonReentrant` entry
           * points to them.
           *
           * TIP: If you would like to learn more about reentrancy and alternative ways
           * to protect against it, check out our blog post
           * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
           */
          abstract contract ReentrancyGuardUpgradeable is Initializable {
              // Booleans are more expensive than uint256 or any type that takes up a full
              // word because each write operation emits an extra SLOAD to first read the
              // slot's contents, replace the bits taken up by the boolean, and then write
              // back. This is the compiler's defense against contract upgrades and
              // pointer aliasing, and it cannot be disabled.
              // The values being non-zero value makes deployment a bit more expensive,
              // but in exchange the refund on every call to nonReentrant will be lower in
              // amount. Since refunds are capped to a percentage of the total
              // transaction's gas, it is best to keep them low in cases like this one, to
              // increase the likelihood of the full refund coming into effect.
              uint256 private constant _NOT_ENTERED = 1;
              uint256 private constant _ENTERED = 2;
              uint256 private _status;
              function __ReentrancyGuard_init() internal onlyInitializing {
                  __ReentrancyGuard_init_unchained();
              }
              function __ReentrancyGuard_init_unchained() internal onlyInitializing {
                  _status = _NOT_ENTERED;
              }
              /**
               * @dev Prevents a contract from calling itself, directly or indirectly.
               * Calling a `nonReentrant` function from another `nonReentrant`
               * function is not supported. It is possible to prevent this from happening
               * by making the `nonReentrant` function external, and making it call a
               * `private` function that does the actual work.
               */
              modifier nonReentrant() {
                  _nonReentrantBefore();
                  _;
                  _nonReentrantAfter();
              }
              function _nonReentrantBefore() private {
                  // On the first call to nonReentrant, _status will be _NOT_ENTERED
                  require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
                  // Any calls to nonReentrant after this point will fail
                  _status = _ENTERED;
              }
              function _nonReentrantAfter() private {
                  // By storing the original value once again, a refund is triggered (see
                  // https://eips.ethereum.org/EIPS/eip-2200)
                  _status = _NOT_ENTERED;
              }
              /**
               * @dev 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[49] private __gap;
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/SignatureChecker.sol)
          pragma solidity ^0.8.0;
          import "./ECDSAUpgradeable.sol";
          import "../AddressUpgradeable.sol";
          import "../../interfaces/IERC1271Upgradeable.sol";
          /**
           * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA
           * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like
           * Argent and Gnosis Safe.
           *
           * _Available since v4.1._
           */
          library SignatureCheckerUpgradeable {
              /**
               * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
               * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`.
               *
               * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
               * change through time. It could return true at block N and false at block N+1 (or the opposite).
               */
              function isValidSignatureNow(
                  address signer,
                  bytes32 hash,
                  bytes memory signature
              ) internal view returns (bool) {
                  (address recovered, ECDSAUpgradeable.RecoverError error) = ECDSAUpgradeable.tryRecover(hash, signature);
                  if (error == ECDSAUpgradeable.RecoverError.NoError && recovered == signer) {
                      return true;
                  }
                  (bool success, bytes memory result) = signer.staticcall(
                      abi.encodeWithSelector(IERC1271Upgradeable.isValidSignature.selector, hash, signature)
                  );
                  return (success &&
                      result.length == 32 &&
                      abi.decode(result, (bytes32)) == bytes32(IERC1271Upgradeable.isValidSignature.selector));
              }
          }
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.4;
          interface IIncubator {
              struct ClaimParams {
                  address holder;
                  uint256 tokenId;
                  uint256 claimAmount;
                  uint256[] propTokenIds;
                  uint256[] propAmounts;
                  uint256 nonce;
              }
              function addTengoku(uint256[] memory tokenIds) external;
              function removeTengoku(uint256[] memory tokenIds) external;
              function claim(ClaimParams memory params, bytes memory signature) external;
              function tokenIds(address owner) external view returns (uint256[] memory);
          }
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          import {OperatorFiltererUpgradeable} from "./OperatorFiltererUpgradeable.sol";
          abstract contract DefaultOperatorFiltererUpgradeable is OperatorFiltererUpgradeable {
              address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);
              function __DefaultOperatorFilterer_init() internal onlyInitializing {
                  OperatorFiltererUpgradeable.__OperatorFilterer_init(DEFAULT_SUBSCRIPTION, true);
              }
          }
          // 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 v4.8.0) (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 functionCallWithValue(target, data, 0, "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");
                  (bool success, bytes memory returndata) = target.call{value: value}(data);
                  return verifyCallResultFromTarget(target, 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) {
                  (bool success, bytes memory returndata) = target.staticcall(data);
                  return verifyCallResultFromTarget(target, success, returndata, errorMessage);
              }
              /**
               * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
               * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
               *
               * _Available since v4.8._
               */
              function verifyCallResultFromTarget(
                  address target,
                  bool success,
                  bytes memory returndata,
                  string memory errorMessage
              ) internal view returns (bytes memory) {
                  if (success) {
                      if (returndata.length == 0) {
                          // only check isContract if the call was successful and the return data is empty
                          // otherwise we already know that it was a contract
                          require(isContract(target), "Address: call to non-contract");
                      }
                      return returndata;
                  } else {
                      _revert(returndata, errorMessage);
                  }
              }
              /**
               * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
               * revert reason or 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 {
                      _revert(returndata, errorMessage);
                  }
              }
              function _revert(bytes memory returndata, string memory errorMessage) private pure {
                  // 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 (access/IAccessControl.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev External interface of AccessControl declared to support ERC165 detection.
           */
          interface IAccessControlUpgradeable {
              /**
               * @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: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)
          pragma solidity ^0.8.0;
          import "./math/MathUpgradeable.sol";
          /**
           * @dev String operations.
           */
          library StringsUpgradeable {
              bytes16 private constant _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) {
                  unchecked {
                      uint256 length = MathUpgradeable.log10(value) + 1;
                      string memory buffer = new string(length);
                      uint256 ptr;
                      /// @solidity memory-safe-assembly
                      assembly {
                          ptr := add(buffer, add(32, length))
                      }
                      while (true) {
                          ptr--;
                          /// @solidity memory-safe-assembly
                          assembly {
                              mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                          }
                          value /= 10;
                          if (value == 0) break;
                      }
                      return buffer;
                  }
              }
              /**
               * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
               */
              function toHexString(uint256 value) internal pure returns (string memory) {
                  unchecked {
                      return toHexString(value, MathUpgradeable.log256(value) + 1);
                  }
              }
              /**
               * @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] = _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 (last updated v4.8.0) (utils/math/Math.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev Standard math utilities missing in the Solidity language.
           */
          library MathUpgradeable {
              enum Rounding {
                  Down, // Toward negative infinity
                  Up, // Toward infinity
                  Zero // Toward zero
              }
              /**
               * @dev Returns the largest of two numbers.
               */
              function max(uint256 a, uint256 b) internal pure returns (uint256) {
                  return a > b ? a : b;
              }
              /**
               * @dev Returns the smallest of two numbers.
               */
              function min(uint256 a, uint256 b) internal pure returns (uint256) {
                  return a < b ? a : b;
              }
              /**
               * @dev Returns the average of two numbers. The result is rounded towards
               * zero.
               */
              function average(uint256 a, uint256 b) internal pure returns (uint256) {
                  // (a + b) / 2 can overflow.
                  return (a & b) + (a ^ b) / 2;
              }
              /**
               * @dev Returns the ceiling of the division of two numbers.
               *
               * This differs from standard division with `/` in that it rounds up instead
               * of rounding down.
               */
              function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
                  // (a + b - 1) / b can overflow on addition, so we distribute.
                  return a == 0 ? 0 : (a - 1) / b + 1;
              }
              /**
               * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
               * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
               * with further edits by Uniswap Labs also under MIT license.
               */
              function mulDiv(
                  uint256 x,
                  uint256 y,
                  uint256 denominator
              ) internal pure returns (uint256 result) {
                  unchecked {
                      // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
                      // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
                      // variables such that product = prod1 * 2^256 + prod0.
                      uint256 prod0; // Least significant 256 bits of the product
                      uint256 prod1; // Most significant 256 bits of the product
                      assembly {
                          let mm := mulmod(x, y, not(0))
                          prod0 := mul(x, y)
                          prod1 := sub(sub(mm, prod0), lt(mm, prod0))
                      }
                      // Handle non-overflow cases, 256 by 256 division.
                      if (prod1 == 0) {
                          return prod0 / denominator;
                      }
                      // Make sure the result is less than 2^256. Also prevents denominator == 0.
                      require(denominator > prod1);
                      ///////////////////////////////////////////////
                      // 512 by 256 division.
                      ///////////////////////////////////////////////
                      // Make division exact by subtracting the remainder from [prod1 prod0].
                      uint256 remainder;
                      assembly {
                          // Compute remainder using mulmod.
                          remainder := mulmod(x, y, denominator)
                          // Subtract 256 bit number from 512 bit number.
                          prod1 := sub(prod1, gt(remainder, prod0))
                          prod0 := sub(prod0, remainder)
                      }
                      // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
                      // See https://cs.stackexchange.com/q/138556/92363.
                      // Does not overflow because the denominator cannot be zero at this stage in the function.
                      uint256 twos = denominator & (~denominator + 1);
                      assembly {
                          // Divide denominator by twos.
                          denominator := div(denominator, twos)
                          // Divide [prod1 prod0] by twos.
                          prod0 := div(prod0, twos)
                          // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                          twos := add(div(sub(0, twos), twos), 1)
                      }
                      // Shift in bits from prod1 into prod0.
                      prod0 |= prod1 * twos;
                      // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
                      // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
                      // four bits. That is, denominator * inv = 1 mod 2^4.
                      uint256 inverse = (3 * denominator) ^ 2;
                      // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
                      // in modular arithmetic, doubling the correct bits in each step.
                      inverse *= 2 - denominator * inverse; // inverse mod 2^8
                      inverse *= 2 - denominator * inverse; // inverse mod 2^16
                      inverse *= 2 - denominator * inverse; // inverse mod 2^32
                      inverse *= 2 - denominator * inverse; // inverse mod 2^64
                      inverse *= 2 - denominator * inverse; // inverse mod 2^128
                      inverse *= 2 - denominator * inverse; // inverse mod 2^256
                      // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
                      // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
                      // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
                      // is no longer required.
                      result = prod0 * inverse;
                      return result;
                  }
              }
              /**
               * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
               */
              function mulDiv(
                  uint256 x,
                  uint256 y,
                  uint256 denominator,
                  Rounding rounding
              ) internal pure returns (uint256) {
                  uint256 result = mulDiv(x, y, denominator);
                  if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
                      result += 1;
                  }
                  return result;
              }
              /**
               * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
               *
               * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
               */
              function sqrt(uint256 a) internal pure returns (uint256) {
                  if (a == 0) {
                      return 0;
                  }
                  // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
                  //
                  // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
                  // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
                  //
                  // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
                  // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
                  // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
                  //
                  // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
                  uint256 result = 1 << (log2(a) >> 1);
                  // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
                  // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
                  // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
                  // into the expected uint128 result.
                  unchecked {
                      result = (result + a / result) >> 1;
                      result = (result + a / result) >> 1;
                      result = (result + a / result) >> 1;
                      result = (result + a / result) >> 1;
                      result = (result + a / result) >> 1;
                      result = (result + a / result) >> 1;
                      result = (result + a / result) >> 1;
                      return min(result, a / result);
                  }
              }
              /**
               * @notice Calculates sqrt(a), following the selected rounding direction.
               */
              function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
                  unchecked {
                      uint256 result = sqrt(a);
                      return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
                  }
              }
              /**
               * @dev Return the log in base 2, rounded down, of a positive value.
               * Returns 0 if given 0.
               */
              function log2(uint256 value) internal pure returns (uint256) {
                  uint256 result = 0;
                  unchecked {
                      if (value >> 128 > 0) {
                          value >>= 128;
                          result += 128;
                      }
                      if (value >> 64 > 0) {
                          value >>= 64;
                          result += 64;
                      }
                      if (value >> 32 > 0) {
                          value >>= 32;
                          result += 32;
                      }
                      if (value >> 16 > 0) {
                          value >>= 16;
                          result += 16;
                      }
                      if (value >> 8 > 0) {
                          value >>= 8;
                          result += 8;
                      }
                      if (value >> 4 > 0) {
                          value >>= 4;
                          result += 4;
                      }
                      if (value >> 2 > 0) {
                          value >>= 2;
                          result += 2;
                      }
                      if (value >> 1 > 0) {
                          result += 1;
                      }
                  }
                  return result;
              }
              /**
               * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
               * Returns 0 if given 0.
               */
              function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
                  unchecked {
                      uint256 result = log2(value);
                      return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
                  }
              }
              /**
               * @dev Return the log in base 10, rounded down, of a positive value.
               * Returns 0 if given 0.
               */
              function log10(uint256 value) internal pure returns (uint256) {
                  uint256 result = 0;
                  unchecked {
                      if (value >= 10**64) {
                          value /= 10**64;
                          result += 64;
                      }
                      if (value >= 10**32) {
                          value /= 10**32;
                          result += 32;
                      }
                      if (value >= 10**16) {
                          value /= 10**16;
                          result += 16;
                      }
                      if (value >= 10**8) {
                          value /= 10**8;
                          result += 8;
                      }
                      if (value >= 10**4) {
                          value /= 10**4;
                          result += 4;
                      }
                      if (value >= 10**2) {
                          value /= 10**2;
                          result += 2;
                      }
                      if (value >= 10**1) {
                          result += 1;
                      }
                  }
                  return result;
              }
              /**
               * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
               * Returns 0 if given 0.
               */
              function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
                  unchecked {
                      uint256 result = log10(value);
                      return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
                  }
              }
              /**
               * @dev Return the log in base 256, rounded down, of a positive value.
               * Returns 0 if given 0.
               *
               * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
               */
              function log256(uint256 value) internal pure returns (uint256) {
                  uint256 result = 0;
                  unchecked {
                      if (value >> 128 > 0) {
                          value >>= 128;
                          result += 16;
                      }
                      if (value >> 64 > 0) {
                          value >>= 64;
                          result += 8;
                      }
                      if (value >> 32 > 0) {
                          value >>= 32;
                          result += 4;
                      }
                      if (value >> 16 > 0) {
                          value >>= 16;
                          result += 2;
                      }
                      if (value >> 8 > 0) {
                          result += 1;
                      }
                  }
                  return result;
              }
              /**
               * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
               * Returns 0 if given 0.
               */
              function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
                  unchecked {
                      uint256 result = log256(value);
                      return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
                  }
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev Interface of the ERC165 standard, as defined in the
           * https://eips.ethereum.org/EIPS/eip-165[EIP].
           *
           * Implementers can declare support of contract interfaces, which can then be
           * queried by others ({ERC165Checker}).
           *
           * For an implementation, see {ERC165}.
           */
          interface IERC165Upgradeable {
              /**
               * @dev Returns true if this contract implements the interface defined by
               * `interfaceId`. See the corresponding
               * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
               * to learn more about how these ids are created.
               *
               * This function call must use less than 30 000 gas.
               */
              function supportsInterface(bytes4 interfaceId) external view returns (bool);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
           * proxy whose upgrades are fully controlled by the current implementation.
           */
          interface IERC1822ProxiableUpgradeable {
              /**
               * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
               * address.
               *
               * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
               * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
               * function revert if invoked through a proxy.
               */
              function proxiableUUID() external view returns (bytes32);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)
          pragma solidity ^0.8.2;
          import "../beacon/IBeaconUpgradeable.sol";
          import "../../interfaces/draft-IERC1822Upgradeable.sol";
          import "../../utils/AddressUpgradeable.sol";
          import "../../utils/StorageSlotUpgradeable.sol";
          import "../utils/Initializable.sol";
          /**
           * @dev This abstract contract provides getters and event emitting update functions for
           * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
           *
           * _Available since v4.1._
           *
           * @custom:oz-upgrades-unsafe-allow delegatecall
           */
          abstract contract ERC1967UpgradeUpgradeable is Initializable {
              function __ERC1967Upgrade_init() internal onlyInitializing {
              }
              function __ERC1967Upgrade_init_unchained() internal onlyInitializing {
              }
              // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
              bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
              /**
               * @dev Storage slot with the address of the current implementation.
               * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
               * validated in the constructor.
               */
              bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
              /**
               * @dev Emitted when the implementation is upgraded.
               */
              event Upgraded(address indexed implementation);
              /**
               * @dev Returns the current implementation address.
               */
              function _getImplementation() internal view returns (address) {
                  return StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value;
              }
              /**
               * @dev Stores a new address in the EIP1967 implementation slot.
               */
              function _setImplementation(address newImplementation) private {
                  require(AddressUpgradeable.isContract(newImplementation), "ERC1967: new implementation is not a contract");
                  StorageSlotUpgradeable.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
              }
              /**
               * @dev Perform implementation upgrade
               *
               * Emits an {Upgraded} event.
               */
              function _upgradeTo(address newImplementation) internal {
                  _setImplementation(newImplementation);
                  emit Upgraded(newImplementation);
              }
              /**
               * @dev Perform implementation upgrade with additional setup call.
               *
               * Emits an {Upgraded} event.
               */
              function _upgradeToAndCall(
                  address newImplementation,
                  bytes memory data,
                  bool forceCall
              ) internal {
                  _upgradeTo(newImplementation);
                  if (data.length > 0 || forceCall) {
                      _functionDelegateCall(newImplementation, data);
                  }
              }
              /**
               * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
               *
               * Emits an {Upgraded} event.
               */
              function _upgradeToAndCallUUPS(
                  address newImplementation,
                  bytes memory data,
                  bool forceCall
              ) internal {
                  // Upgrades from old implementations will perform a rollback test. This test requires the new
                  // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
                  // this special case will break upgrade paths from old UUPS implementation to new ones.
                  if (StorageSlotUpgradeable.getBooleanSlot(_ROLLBACK_SLOT).value) {
                      _setImplementation(newImplementation);
                  } else {
                      try IERC1822ProxiableUpgradeable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                          require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
                      } catch {
                          revert("ERC1967Upgrade: new implementation is not UUPS");
                      }
                      _upgradeToAndCall(newImplementation, data, forceCall);
                  }
              }
              /**
               * @dev Storage slot with the admin of the contract.
               * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
               * validated in the constructor.
               */
              bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
              /**
               * @dev Emitted when the admin account has changed.
               */
              event AdminChanged(address previousAdmin, address newAdmin);
              /**
               * @dev Returns the current admin.
               */
              function _getAdmin() internal view returns (address) {
                  return StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value;
              }
              /**
               * @dev Stores a new address in the EIP1967 admin slot.
               */
              function _setAdmin(address newAdmin) private {
                  require(newAdmin != address(0), "ERC1967: new admin is the zero address");
                  StorageSlotUpgradeable.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
              }
              /**
               * @dev Changes the admin of the proxy.
               *
               * Emits an {AdminChanged} event.
               */
              function _changeAdmin(address newAdmin) internal {
                  emit AdminChanged(_getAdmin(), newAdmin);
                  _setAdmin(newAdmin);
              }
              /**
               * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
               * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
               */
              bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
              /**
               * @dev Emitted when the beacon is upgraded.
               */
              event BeaconUpgraded(address indexed beacon);
              /**
               * @dev Returns the current beacon.
               */
              function _getBeacon() internal view returns (address) {
                  return StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value;
              }
              /**
               * @dev Stores a new beacon in the EIP1967 beacon slot.
               */
              function _setBeacon(address newBeacon) private {
                  require(AddressUpgradeable.isContract(newBeacon), "ERC1967: new beacon is not a contract");
                  require(
                      AddressUpgradeable.isContract(IBeaconUpgradeable(newBeacon).implementation()),
                      "ERC1967: beacon implementation is not a contract"
                  );
                  StorageSlotUpgradeable.getAddressSlot(_BEACON_SLOT).value = newBeacon;
              }
              /**
               * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
               * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
               *
               * Emits a {BeaconUpgraded} event.
               */
              function _upgradeBeaconToAndCall(
                  address newBeacon,
                  bytes memory data,
                  bool forceCall
              ) internal {
                  _setBeacon(newBeacon);
                  emit BeaconUpgraded(newBeacon);
                  if (data.length > 0 || forceCall) {
                      _functionDelegateCall(IBeaconUpgradeable(newBeacon).implementation(), data);
                  }
              }
              /**
               * @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 v4.4.1 (proxy/beacon/IBeacon.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev This is the interface that {BeaconProxy} expects of its beacon.
           */
          interface IBeaconUpgradeable {
              /**
               * @dev Must return an address that can be used as a delegate call target.
               *
               * {BeaconProxy} will check that this address is a contract.
               */
              function implementation() external view returns (address);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev Library for reading and writing primitive types to specific storage slots.
           *
           * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
           * This library helps with reading and writing to such slots without the need for inline assembly.
           *
           * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
           *
           * Example usage to set ERC1967 implementation slot:
           * ```
           * contract ERC1967 {
           *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
           *
           *     function _getImplementation() internal view returns (address) {
           *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
           *     }
           *
           *     function _setImplementation(address newImplementation) internal {
           *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
           *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
           *     }
           * }
           * ```
           *
           * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
           */
          library StorageSlotUpgradeable {
              struct AddressSlot {
                  address value;
              }
              struct BooleanSlot {
                  bool value;
              }
              struct Bytes32Slot {
                  bytes32 value;
              }
              struct Uint256Slot {
                  uint256 value;
              }
              /**
               * @dev Returns an `AddressSlot` with member `value` located at `slot`.
               */
              function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
                  /// @solidity memory-safe-assembly
                  assembly {
                      r.slot := slot
                  }
              }
              /**
               * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
               */
              function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
                  /// @solidity memory-safe-assembly
                  assembly {
                      r.slot := slot
                  }
              }
              /**
               * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
               */
              function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
                  /// @solidity memory-safe-assembly
                  assembly {
                      r.slot := slot
                  }
              }
              /**
               * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
               */
              function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
                  /// @solidity memory-safe-assembly
                  assembly {
                      r.slot := slot
                  }
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)
          pragma solidity ^0.8.0;
          import "../../utils/introspection/IERC165Upgradeable.sol";
          /**
           * @dev Required interface of an ERC721 compliant contract.
           */
          interface IERC721Upgradeable is IERC165Upgradeable {
              /**
               * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
               */
              event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
              /**
               * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
               */
              event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
              /**
               * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
               */
              event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
              /**
               * @dev Returns the number of tokens in ``owner``'s account.
               */
              function balanceOf(address owner) external view returns (uint256 balance);
              /**
               * @dev Returns the owner of the `tokenId` token.
               *
               * Requirements:
               *
               * - `tokenId` must exist.
               */
              function ownerOf(uint256 tokenId) external view returns (address owner);
              /**
               * @dev Safely transfers `tokenId` token from `from` to `to`.
               *
               * Requirements:
               *
               * - `from` cannot be the zero address.
               * - `to` cannot be the zero address.
               * - `tokenId` token must exist and be owned by `from`.
               * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
               * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
               *
               * Emits a {Transfer} event.
               */
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId,
                  bytes calldata data
              ) external;
              /**
               * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
               * are aware of the ERC721 protocol to prevent tokens from being forever locked.
               *
               * Requirements:
               *
               * - `from` cannot be the zero address.
               * - `to` cannot be the zero address.
               * - `tokenId` token must exist and be owned by `from`.
               * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
               * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
               *
               * Emits a {Transfer} event.
               */
              function safeTransferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              ) external;
              /**
               * @dev Transfers `tokenId` token from `from` to `to`.
               *
               * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
               * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
               * understand this adds an external call which potentially creates a reentrancy vulnerability.
               *
               * Requirements:
               *
               * - `from` cannot be the zero address.
               * - `to` cannot be the zero address.
               * - `tokenId` token must be owned by `from`.
               * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
               *
               * Emits a {Transfer} event.
               */
              function transferFrom(
                  address from,
                  address to,
                  uint256 tokenId
              ) external;
              /**
               * @dev Gives permission to `to` to transfer `tokenId` token to another account.
               * The approval is cleared when the token is transferred.
               *
               * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
               *
               * Requirements:
               *
               * - The caller must own the token or be an approved operator.
               * - `tokenId` must exist.
               *
               * Emits an {Approval} event.
               */
              function approve(address to, uint256 tokenId) external;
              /**
               * @dev Approve or remove `operator` as an operator for the caller.
               * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
               *
               * Requirements:
               *
               * - The `operator` cannot be the caller.
               *
               * Emits an {ApprovalForAll} event.
               */
              function setApprovalForAll(address operator, bool _approved) external;
              /**
               * @dev Returns the account approved for `tokenId` token.
               *
               * Requirements:
               *
               * - `tokenId` must exist.
               */
              function getApproved(uint256 tokenId) external view returns (address operator);
              /**
               * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
               *
               * See {setApprovalForAll}
               */
              function isApprovedForAll(address owner, address operator) external view returns (bool);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)
          pragma solidity ^0.8.0;
          /**
           * @title ERC721 token receiver interface
           * @dev Interface for any contract that wants to support safeTransfers
           * from ERC721 asset contracts.
           */
          interface IERC721ReceiverUpgradeable {
              /**
               * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
               * by `operator` from `from`, this function is called.
               *
               * It must return its Solidity selector to confirm the token transfer.
               * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
               *
               * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
               */
              function onERC721Received(
                  address operator,
                  address from,
                  uint256 tokenId,
                  bytes calldata data
              ) external returns (bytes4);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
          pragma solidity ^0.8.0;
          import "../IERC721Upgradeable.sol";
          /**
           * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
           * @dev See https://eips.ethereum.org/EIPS/eip-721
           */
          interface IERC721MetadataUpgradeable is IERC721Upgradeable {
              /**
               * @dev Returns the token collection name.
               */
              function name() external view returns (string memory);
              /**
               * @dev Returns the token collection symbol.
               */
              function symbol() external view returns (string memory);
              /**
               * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
               */
              function tokenURI(uint256 tokenId) external view returns (string memory);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)
          pragma solidity ^0.8.0;
          import "../IERC721Upgradeable.sol";
          /**
           * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
           * @dev See https://eips.ethereum.org/EIPS/eip-721
           */
          interface IERC721EnumerableUpgradeable is IERC721Upgradeable {
              /**
               * @dev Returns the total amount of tokens stored by the contract.
               */
              function totalSupply() external view returns (uint256);
              /**
               * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
               * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
               */
              function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);
              /**
               * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
               * Use along with {totalSupply} to enumerate all tokens.
               */
              function tokenByIndex(uint256 index) external view returns (uint256);
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)
          pragma solidity ^0.8.0;
          import "../StringsUpgradeable.sol";
          /**
           * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
           *
           * These functions can be used to verify that a message was signed by the holder
           * of the private keys of a given address.
           */
          library ECDSAUpgradeable {
              enum RecoverError {
                  NoError,
                  InvalidSignature,
                  InvalidSignatureLength,
                  InvalidSignatureS,
                  InvalidSignatureV // Deprecated in v4.8
              }
              function _throwError(RecoverError error) private pure {
                  if (error == RecoverError.NoError) {
                      return; // no error: do nothing
                  } else if (error == RecoverError.InvalidSignature) {
                      revert("ECDSA: invalid signature");
                  } else if (error == RecoverError.InvalidSignatureLength) {
                      revert("ECDSA: invalid signature length");
                  } else if (error == RecoverError.InvalidSignatureS) {
                      revert("ECDSA: invalid signature 's' value");
                  }
              }
              /**
               * @dev Returns the address that signed a hashed message (`hash`) with
               * `signature` or error string. This address can then be used for verification purposes.
               *
               * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
               * this function rejects them by requiring the `s` value to be in the lower
               * half order, and the `v` value to be either 27 or 28.
               *
               * IMPORTANT: `hash` _must_ be the result of a hash operation for the
               * verification to be secure: it is possible to craft signatures that
               * recover to arbitrary addresses for non-hashed data. A safe way to ensure
               * this is by receiving a hash of the original message (which may otherwise
               * be too long), and then calling {toEthSignedMessageHash} on it.
               *
               * Documentation for signature generation:
               * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
               * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
               *
               * _Available since v4.3._
               */
              function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
                  if (signature.length == 65) {
                      bytes32 r;
                      bytes32 s;
                      uint8 v;
                      // ecrecover takes the signature parameters, and the only way to get them
                      // currently is to use assembly.
                      /// @solidity memory-safe-assembly
                      assembly {
                          r := mload(add(signature, 0x20))
                          s := mload(add(signature, 0x40))
                          v := byte(0, mload(add(signature, 0x60)))
                      }
                      return tryRecover(hash, v, r, s);
                  } else {
                      return (address(0), RecoverError.InvalidSignatureLength);
                  }
              }
              /**
               * @dev Returns the address that signed a hashed message (`hash`) with
               * `signature`. This address can then be used for verification purposes.
               *
               * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
               * this function rejects them by requiring the `s` value to be in the lower
               * half order, and the `v` value to be either 27 or 28.
               *
               * IMPORTANT: `hash` _must_ be the result of a hash operation for the
               * verification to be secure: it is possible to craft signatures that
               * recover to arbitrary addresses for non-hashed data. A safe way to ensure
               * this is by receiving a hash of the original message (which may otherwise
               * be too long), and then calling {toEthSignedMessageHash} on it.
               */
              function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
                  (address recovered, RecoverError error) = tryRecover(hash, signature);
                  _throwError(error);
                  return recovered;
              }
              /**
               * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
               *
               * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
               *
               * _Available since v4.3._
               */
              function tryRecover(
                  bytes32 hash,
                  bytes32 r,
                  bytes32 vs
              ) internal pure returns (address, RecoverError) {
                  bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
                  uint8 v = uint8((uint256(vs) >> 255) + 27);
                  return tryRecover(hash, v, r, s);
              }
              /**
               * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
               *
               * _Available since v4.2._
               */
              function recover(
                  bytes32 hash,
                  bytes32 r,
                  bytes32 vs
              ) internal pure returns (address) {
                  (address recovered, RecoverError error) = tryRecover(hash, r, vs);
                  _throwError(error);
                  return recovered;
              }
              /**
               * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
               * `r` and `s` signature fields separately.
               *
               * _Available since v4.3._
               */
              function tryRecover(
                  bytes32 hash,
                  uint8 v,
                  bytes32 r,
                  bytes32 s
              ) internal pure returns (address, RecoverError) {
                  // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
                  // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
                  // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
                  // signatures from current libraries generate a unique signature with an s-value in the lower half order.
                  //
                  // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
                  // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
                  // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
                  // these malleable signatures as well.
                  if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
                      return (address(0), RecoverError.InvalidSignatureS);
                  }
                  // If the signature is valid (and not malleable), return the signer address
                  address signer = ecrecover(hash, v, r, s);
                  if (signer == address(0)) {
                      return (address(0), RecoverError.InvalidSignature);
                  }
                  return (signer, RecoverError.NoError);
              }
              /**
               * @dev Overload of {ECDSA-recover} that receives the `v`,
               * `r` and `s` signature fields separately.
               */
              function recover(
                  bytes32 hash,
                  uint8 v,
                  bytes32 r,
                  bytes32 s
              ) internal pure returns (address) {
                  (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
                  _throwError(error);
                  return recovered;
              }
              /**
               * @dev Returns an Ethereum Signed Message, created from a `hash`. This
               * produces hash corresponding to the one signed with the
               * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
               * JSON-RPC method as part of EIP-191.
               *
               * See {recover}.
               */
              function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
                  // 32 is the length in bytes of hash,
                  // enforced by the type signature above
                  return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
          32", hash));
              }
              /**
               * @dev Returns an Ethereum Signed Message, created from `s`. This
               * produces hash corresponding to the one signed with the
               * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
               * JSON-RPC method as part of EIP-191.
               *
               * See {recover}.
               */
              function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
                  return keccak256(abi.encodePacked("\\x19Ethereum Signed Message:\
          ", StringsUpgradeable.toString(s.length), s));
              }
              /**
               * @dev Returns an Ethereum Signed Typed Data, created from a
               * `domainSeparator` and a `structHash`. This produces hash corresponding
               * to the one signed with the
               * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
               * JSON-RPC method as part of EIP-712.
               *
               * See {recover}.
               */
              function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
                  return keccak256(abi.encodePacked("\\x19\\x01", domainSeparator, structHash));
              }
          }
          // SPDX-License-Identifier: MIT
          // OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)
          pragma solidity ^0.8.0;
          /**
           * @dev Interface of the ERC1271 standard signature validation method for
           * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
           *
           * _Available since v4.1._
           */
          interface IERC1271Upgradeable {
              /**
               * @dev Should return whether the signature provided is valid for the provided data
               * @param hash      Hash of the data to be signed
               * @param signature Signature byte array associated with _data
               */
              function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
          }
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          import {IOperatorFilterRegistry} from "../IOperatorFilterRegistry.sol";
          import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
          abstract contract OperatorFiltererUpgradeable is Initializable {
              error OperatorNotAllowed(address operator);
              IOperatorFilterRegistry constant operatorFilterRegistry =
                  IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);
              function __OperatorFilterer_init(address subscriptionOrRegistrantToCopy, bool subscribe)
                  internal
                  onlyInitializing
              {
                  // 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(operatorFilterRegistry).code.length > 0) {
                      if (!operatorFilterRegistry.isRegistered(address(this))) {
                          if (subscribe) {
                              operatorFilterRegistry.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
                          } else {
                              if (subscriptionOrRegistrantToCopy != address(0)) {
                                  operatorFilterRegistry.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                              } else {
                                  operatorFilterRegistry.register(address(this));
                              }
                          }
                      }
                  }
              }
              modifier onlyAllowedOperator(address from) virtual {
                  // Check registry code length to facilitate testing in environments without a deployed registry.
                  if (address(operatorFilterRegistry).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 (!operatorFilterRegistry.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 (address(operatorFilterRegistry).code.length > 0) {
                      if (!operatorFilterRegistry.isOperatorAllowed(address(this), operator)) {
                          revert OperatorNotAllowed(operator);
                      }
                  }
                  _;
              }
          }
          // SPDX-License-Identifier: MIT
          pragma solidity ^0.8.13;
          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);
          }