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// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

import {IBNFT} from "../interfaces/IBNFT.sol";
import {IBNFTRegistry} from "../interfaces/IBNFTRegistry.sol";
import {IFlashLoanReceiver} from "../interfaces/IFlashLoanReceiver.sol";
import {IENSReverseRegistrar} from "../interfaces/IENSReverseRegistrar.sol";
import {IDelegationRegistry} from "../interfaces/IDelegationRegistry.sol";
import {IDelegateRegistryV2} from "../interfaces/IDelegateRegistryV2.sol";

import {IMoonbirds} from "../interfaces/IMoonbirds.sol";

import {StringsUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
import {AddressUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
import {EnumerableSetUpgradeable} from "@openzeppelin/contracts-upgradeable/utils/structs/EnumerableSetUpgradeable.sol";

import {ERC721Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
import {ERC721EnumerableUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol";
import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import {IERC721Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import {IERC1155Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155Upgradeable.sol";
import {IERC721MetadataUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol";
import {IERC721ReceiverUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol";
import {IERC1155ReceiverUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC1155/IERC1155ReceiverUpgradeable.sol";

/**
 * @title BNFT contract
 * @dev Implements the methods for the bNFT protocol
 **/
contract BNFT is IBNFT, ERC721EnumerableUpgradeable, IERC721ReceiverUpgradeable, IERC1155ReceiverUpgradeable {
  using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;
  using EnumerableSetUpgradeable for EnumerableSetUpgradeable.Bytes32Set;

  address private _underlyingAsset;
  // Mapping from token ID to minter address
  mapping(uint256 => address) private _minters;
  address private _owner;
  uint256 private constant _NOT_ENTERED = 0;
  uint256 private constant _ENTERED = 1;
  uint256 private _status;
  address private _claimAdmin;
  // Mapping from minter to flash loan operator approval address
  mapping(address => mapping(address => bool)) private _flashLoanOperatorApprovals;
  // Mapping from minter & token ID to flash loan operator locking address
  mapping(address => mapping(uint256 => EnumerableSetUpgradeable.AddressSet)) private _flashLoanOperatorLockings;
  address private _bnftRegistry;
  // Mapping from token to delegate cash
  mapping(uint256 => bool) private _hasDelegateCashes; // obsoleted
  mapping(uint256 => address) private _delegateAddresses; // obsoleted
  bool private _isIgnoreCheckSenderOnRecv;

  /**
   * @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;
  }

  /**
   * @dev Initializes the bNFT
   * @param underlyingAsset_ The address of the underlying asset of this bNFT (E.g. PUNK for bPUNK)
   */
  function initialize(
    address underlyingAsset_,
    string calldata bNftName,
    string calldata bNftSymbol,
    address owner_,
    address claimAdmin_,
    address bnftRegistry_
  ) external override initializer {
    __ERC721_init(bNftName, bNftSymbol);

    _underlyingAsset = underlyingAsset_;

    _transferOwnership(owner_);

    _setClaimAdmin(claimAdmin_);

    _setBNFTRegistry(bnftRegistry_);

    emit Initialized(underlyingAsset_);
  }

  /**
   * @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(), "BNFT: 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), "BNFT: 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 Returns the address of the current claim admin.
   */
  function claimAdmin() public view virtual returns (address) {
    return _claimAdmin;
  }

  /**
   * @dev Throws if called by any account other than the claim admin.
   */
  modifier onlyClaimAdmin() {
    require(claimAdmin() == _msgSender(), "BNFT: caller is not the claim admin");
    _;
  }

  /**
   * @dev Set claim admin of the contract to a new account (`newAdmin`).
   * Can only be called by the current owner.
   */
  function setClaimAdmin(address newAdmin) public virtual onlyOwner {
    require(newAdmin != address(0), "BNFT: new admin is the zero address");
    _setClaimAdmin(newAdmin);
  }

  function _setClaimAdmin(address newAdmin) internal virtual {
    address oldAdmin = _claimAdmin;
    _claimAdmin = newAdmin;
    emit ClaimAdminUpdated(oldAdmin, newAdmin);
  }

  /**
   * @dev Returns the address of the current bnft registry.
   */
  function getBNFTRegistry() public view virtual returns (address) {
    return _bnftRegistry;
  }

  /**
   * @dev Set bnft registry contract address.
   * Can only be called by the current owner.
   */
  function setBNFTRegistry(address newRegistry) public virtual onlyOwner {
    require(newRegistry != address(0), "BNFT: new registry is the zero address");
    _setBNFTRegistry(newRegistry);
  }

  function _setBNFTRegistry(address newRegistry) internal virtual {
    _bnftRegistry = newRegistry;
  }

  /**
   * @dev Mints bNFT token to the user address
   *
   * Requirements:
   *  - The caller can be contract address and EOA
   *
   * @param to The owner address receive the bNFT token
   * @param tokenId token id of the underlying asset of NFT
   **/
  function mint(address to, uint256 tokenId) external override nonReentrant {
    bool isCA = AddressUpgradeable.isContract(_msgSender());
    if (!isCA) {
      require(to == _msgSender(), "BNFT: caller is not to");
    }
    require(!_exists(tokenId), "BNFT: exist token");
    require(IERC721Upgradeable(_underlyingAsset).ownerOf(tokenId) == _msgSender(), "BNFT: caller is not owner");

    // mint bNFT to user
    _mint(to, tokenId);

    _minters[tokenId] = _msgSender();

    // Receive NFT Tokens
    IERC721Upgradeable(_underlyingAsset).safeTransferFrom(_msgSender(), address(this), tokenId);

    emit Mint(_msgSender(), _underlyingAsset, tokenId, to);
  }

  /**
   * @dev Burns user bNFT token
   *
   * Requirements:
   *  - The caller can be contract address and EOA
   *
   * @param tokenId token id of the underlying asset of NFT
   **/
  function burn(uint256 tokenId) external override nonReentrant {
    require(_exists(tokenId), "BNFT: nonexist token");
    require(_minters[tokenId] == _msgSender(), "BNFT: caller is not minter");

    address tokenOwner = ERC721Upgradeable.ownerOf(tokenId);

    _burn(tokenId);

    delete _minters[tokenId];

    IERC721Upgradeable(_underlyingAsset).safeTransferFrom(address(this), _msgSender(), tokenId);

    emit Burn(_msgSender(), _underlyingAsset, tokenId, tokenOwner);
  }

  /**
   * @dev See {IBNFT-flashLoan}.
   */
  function flashLoan(
    address receiverAddress,
    uint256[] calldata nftTokenIds,
    bytes calldata params
  ) external override nonReentrant {
    uint256 i;
    IFlashLoanReceiver receiver = IFlashLoanReceiver(receiverAddress);

    // !!!CAUTION: receiver contract may reentry mint, burn, flashloan again

    require(receiverAddress != address(0), "BNFT: zero address");
    require(nftTokenIds.length > 0, "BNFT: empty token list");

    // only token owner can do flashloan
    for (i = 0; i < nftTokenIds.length; i++) {
      address minter = minterOf(nftTokenIds[i]);
      if (_flashLoanOperatorLockings[minter][nftTokenIds[i]].length() > 0) {
        require(isFlashLoanLocked(nftTokenIds[i], minter, _msgSender()), "BNFT: caller without permission");
      } else {
        require(_isFlashLoanApprovedOrOwner(nftTokenIds[i], _msgSender()), "BNFT: caller without permission");
      }
    }

    // step 1: moving underlying asset forward to receiver contract
    for (i = 0; i < nftTokenIds.length; i++) {
      IERC721Upgradeable(_underlyingAsset).safeTransferFrom(address(this), receiverAddress, nftTokenIds[i]);
    }

    // setup 2: execute receiver contract, doing something like aidrop
    require(
      receiver.executeOperation(_underlyingAsset, nftTokenIds, _msgSender(), address(this), params),
      "BNFT: invalid flashloan executor return"
    );

    // setup 3: moving underlying asset backword from receiver contract
    for (i = 0; i < nftTokenIds.length; i++) {
      IERC721Upgradeable(_underlyingAsset).safeTransferFrom(receiverAddress, address(this), nftTokenIds[i]);

      emit FlashLoan(receiverAddress, _msgSender(), _underlyingAsset, nftTokenIds[i]);
    }
  }

  /**
   * @dev See {IBNFT-setFlashLoanApproval}.
   */
  function setFlashLoanApproval(address operator, bool approved) public override nonReentrant {
    address minter = _msgSender();
    _flashLoanOperatorApprovals[minter][operator] = approved;
    emit FlashLoanApproval(minter, operator, approved);
  }

  /**
   * @dev See {IBNFT-isFlashLoanApproved}.
   */
  function isFlashLoanApproved(address minter, address operator) public view override returns (bool) {
    return _flashLoanOperatorApprovals[minter][operator];
  }

  function setFlashLoanLocking(
    uint256 tokenId,
    address operator,
    bool locked
  ) public override {
    if (locked) {
      _flashLoanOperatorLockings[_msgSender()][tokenId].add(operator);

      emit FlashLoanLocking(tokenId, _msgSender(), operator, true);
    } else {
      _flashLoanOperatorLockings[_msgSender()][tokenId].remove(operator);

      emit FlashLoanLocking(tokenId, _msgSender(), operator, false);
    }
  }

  function isFlashLoanLocked(
    uint256 tokenId,
    address minter,
    address operator
  ) public view override returns (bool) {
    return _flashLoanOperatorLockings[minter][tokenId].contains(operator);
  }

  function getFlashLoanLocked(uint256 tokenId, address minter) public view override returns (address[] memory) {
    return _flashLoanOperatorLockings[minter][tokenId].values();
  }

  /**
   * @dev See {IERC721Metadata-tokenURI}.
   */
  function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
    return IERC721MetadataUpgradeable(_underlyingAsset).tokenURI(tokenId);
  }

  /**
   * @dev See {IBNFT-contractURI}.
   */
  function contractURI() external view override returns (string memory) {
    string memory hexAddress = StringsUpgradeable.toHexString(uint256(uint160(address(this))), 20);
    return string(abi.encodePacked("https://metadata.benddao.xyz/", hexAddress));
  }

  function claimERC20Airdrop(
    address token,
    address to,
    uint256 amount
  ) external override nonReentrant onlyClaimAdmin {
    require(token != _underlyingAsset, "BNFT: token can not be underlying asset");
    require(token != address(this), "BNFT: token can not be self address");
    IERC20Upgradeable(token).transfer(to, amount);
    emit ClaimERC20Airdrop(token, to, amount);
  }

  function claimERC721Airdrop(
    address token,
    address to,
    uint256[] calldata ids
  ) external override nonReentrant onlyClaimAdmin {
    require(token != _underlyingAsset, "BNFT: token can not be underlying asset");
    require(token != address(this), "BNFT: token can not be self address");
    for (uint256 i = 0; i < ids.length; i++) {
      IERC721Upgradeable(token).safeTransferFrom(address(this), to, ids[i]);
    }
    emit ClaimERC721Airdrop(token, to, ids);
  }

  function claimERC1155Airdrop(
    address token,
    address to,
    uint256[] calldata ids,
    uint256[] calldata amounts,
    bytes calldata data
  ) external override nonReentrant onlyClaimAdmin {
    require(token != _underlyingAsset, "BNFT: token can not be underlying asset");
    require(token != address(this), "BNFT: token can not be self address");
    IERC1155Upgradeable(token).safeBatchTransferFrom(address(this), to, ids, amounts, data);
    emit ClaimERC1155Airdrop(token, to, ids, amounts, data);
  }

  function executeAirdrop(address airdropContract, bytes calldata airdropParams)
    external
    override
    nonReentrant
    onlyClaimAdmin
  {
    require(airdropContract != _underlyingAsset, "BNFT: airdrop can not be underlying asset");
    require(airdropContract != address(this), "BNFT: airdrop can not be self address");

    require(airdropContract != address(0), "BNFT: invalid airdrop contract address");
    require(airdropParams.length >= 4, "BNFT: invalid airdrop parameters");

    _isIgnoreCheckSenderOnRecv = true;

    // call project aidrop contract
    AddressUpgradeable.functionCall(airdropContract, airdropParams, "call airdrop method failed");

    _isIgnoreCheckSenderOnRecv = false;

    emit ExecuteAirdrop(airdropContract);
  }

  function setENSName(address registrar, string memory name) external nonReentrant onlyOwner returns (bytes32) {
    return IENSReverseRegistrar(registrar).setName(name);
  }

  /**
    @dev Changes the nesting flag. Only for Moonbirds.
    * Some users can bypass the nesting and deposit birds to BNFT contract.
     */
  function toggleMoonirdsNesting(uint256[] calldata tokenIds) public nonReentrant onlyOwner {
    IMoonbirds(_underlyingAsset).toggleNesting(tokenIds);
  }

  /**
   * -----------  V1 Delegate Cash -----------
   */

  function getDelegateCashForToken(uint256[] calldata tokenIds) public view override returns (address[][] memory) {
    IDelegationRegistry delegateContract = IDelegationRegistry(IBNFTRegistry(_bnftRegistry).getDelegateCashContract());

    address[][] memory delegateAddrs = new address[][](tokenIds.length);
    for (uint256 i = 0; i < tokenIds.length; i++) {
      delegateAddrs[i] = delegateContract.getDelegatesForToken(address(this), _underlyingAsset, tokenIds[i]);
    }

    return delegateAddrs;
  }

  function setDelegateCashForToken(uint256[] calldata tokenIds, bool value) public override nonReentrant {
    _setDelegateCashForToken(_msgSender(), tokenIds, value);
  }

  function setDelegateCashForToken(
    address delegate,
    uint256[] calldata tokenIds,
    bool value
  ) public override nonReentrant {
    _setDelegateCashForToken(delegate, tokenIds, value);
  }

  function _setDelegateCashForToken(
    address delegate,
    uint256[] calldata tokenIds,
    bool value
  ) internal {
    require(delegate != address(0), "BNFT: delegate is the zero address");
    IDelegationRegistry delegateContract = IDelegationRegistry(IBNFTRegistry(_bnftRegistry).getDelegateCashContract());

    for (uint256 i = 0; i < tokenIds.length; i++) {
      address tokenOwner = ERC721Upgradeable.ownerOf(tokenIds[i]);
      require(tokenOwner == _msgSender(), "BNFT: caller is not owner");

      delegateContract.delegateForToken(delegate, _underlyingAsset, tokenIds[i], value);
    }
  }

  /**
   * -----------  V2 Delegate Cash -----------
   */

  function getDelegateCashForTokenV2(uint256[] calldata tokenIds) public view override returns (address[][] memory) {
    IDelegateRegistryV2 delegateContractV2 = IDelegateRegistryV2(
      IBNFTRegistry(_bnftRegistry).getDelegateCashContractV2()
    );

    IDelegateRegistryV2.Delegation[] memory allOutDelegations = delegateContractV2.getOutgoingDelegations(
      address(this)
    );

    address[][] memory delegateAddrs = new address[][](tokenIds.length);

    for (uint256 i = 0; i < tokenIds.length; i++) {
      uint256 delegateNum = 0;
      for (uint256 j = 0; j < allOutDelegations.length; j++) {
        if (allOutDelegations[j].tokenId == tokenIds[i]) {
          delegateNum++;
        }
      }

      delegateAddrs[i] = new address[](delegateNum);
      uint256 addrIdx = 0;
      for (uint256 j = 0; j < allOutDelegations.length; j++) {
        if (allOutDelegations[j].tokenId == tokenIds[i]) {
          delegateAddrs[i][addrIdx] = allOutDelegations[j].to;
          addrIdx++;
        }
      }
    }

    return delegateAddrs;
  }

  function setDelegateCashForTokenV2(uint256[] calldata tokenIds, bool value) public override nonReentrant {
    _setDelegateCashForTokenV2(_msgSender(), tokenIds, value);
  }

  function setDelegateCashForTokenV2(
    address delegate,
    uint256[] calldata tokenIds,
    bool value
  ) public override nonReentrant {
    _setDelegateCashForTokenV2(delegate, tokenIds, value);
  }

  function _setDelegateCashForTokenV2(
    address delegate,
    uint256[] calldata tokenIds,
    bool value
  ) internal {
    require(delegate != address(0), "BNFT: delegate is the zero address");
    IDelegateRegistryV2 delegateContractV2 = IDelegateRegistryV2(
      IBNFTRegistry(_bnftRegistry).getDelegateCashContractV2()
    );

    for (uint256 i = 0; i < tokenIds.length; i++) {
      address tokenOwner = ERC721Upgradeable.ownerOf(tokenIds[i]);
      require(tokenOwner == _msgSender(), "BNFT: caller is not owner");

      delegateContractV2.delegateERC721(delegate, _underlyingAsset, tokenIds[i], "", value);
    }
  }

  function onERC721Received(
    address operator,
    address from,
    uint256 tokenId,
    bytes calldata data
  ) external view override returns (bytes4) {
    operator;
    from;
    tokenId;
    data;
    if (!_isIgnoreCheckSenderOnRecv) {
      require(_msgSender() == address(_underlyingAsset), "BNFT: not acceptable erc721");
    }
    return IERC721ReceiverUpgradeable.onERC721Received.selector;
  }

  function onERC1155Received(
    address operator,
    address from,
    uint256 id,
    uint256 value,
    bytes calldata data
  ) external view override returns (bytes4) {
    operator;
    from;
    id;
    value;
    data;
    if (!_isIgnoreCheckSenderOnRecv) {
      require(_msgSender() == address(_underlyingAsset), "BNFT: not acceptable erc1155");
    }
    return IERC1155ReceiverUpgradeable.onERC1155Received.selector;
  }

  function onERC1155BatchReceived(
    address operator,
    address from,
    uint256[] calldata ids,
    uint256[] calldata values,
    bytes calldata data
  ) external view override returns (bytes4) {
    operator;
    from;
    ids;
    values;
    data;
    if (!_isIgnoreCheckSenderOnRecv) {
      require(_msgSender() == address(_underlyingAsset), "BNFT: not acceptable erc1155");
    }
    return IERC1155ReceiverUpgradeable.onERC1155BatchReceived.selector;
  }

  /**
   * @dev See {IBNFT-minterOf}.
   */
  function minterOf(uint256 tokenId) public view override returns (address) {
    address minter = _minters[tokenId];
    require(minter != address(0), "BNFT: minter query for nonexistent token");
    return minter;
  }

  /**
   * @dev See {IBNFT-underlyingAsset}.
   */
  function underlyingAsset() public view override returns (address) {
    return _underlyingAsset;
  }

  /**
   * @dev Being non transferrable, the bNFT token does not implement any of the
   * standard ERC721 functions for transfer and allowance.
   **/
  function approve(address to, uint256 tokenId) public virtual override {
    to;
    tokenId;
    revert("APPROVAL_NOT_SUPPORTED");
  }

  function setApprovalForAll(address operator, bool approved) public virtual override {
    operator;
    approved;
    revert("APPROVAL_NOT_SUPPORTED");
  }

  function transferFrom(
    address from,
    address to,
    uint256 tokenId
  ) public virtual override {
    from;
    to;
    tokenId;
    revert("TRANSFER_NOT_SUPPORTED");
  }

  function safeTransferFrom(
    address from,
    address to,
    uint256 tokenId
  ) public virtual override {
    from;
    to;
    tokenId;
    revert("TRANSFER_NOT_SUPPORTED");
  }

  function safeTransferFrom(
    address from,
    address to,
    uint256 tokenId,
    bytes memory _data
  ) public virtual override {
    from;
    to;
    tokenId;
    _data;
    revert("TRANSFER_NOT_SUPPORTED");
  }

  function _transfer(
    address from,
    address to,
    uint256 tokenId
  ) internal virtual override(ERC721Upgradeable) {
    from;
    to;
    tokenId;
    revert("TRANSFER_NOT_SUPPORTED");
  }

  /**
   * @dev Returns whether `operator` is allowed to flash loan `tokenId`.
   */
  function _isFlashLoanApprovedOrOwner(uint256 tokenId, address operator) internal view returns (bool) {
    address tokenOwner = ownerOf(tokenId);
    address tokenMinter = minterOf(tokenId);
    return (operator == tokenOwner || isFlashLoanApproved(tokenMinter, operator));
  }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

interface IBNFT {
  /**
   * @dev Emitted when an bNFT is initialized
   * @param underlyingAsset_ The address of the underlying asset
   **/
  event Initialized(address indexed underlyingAsset_);

  /**
   * @dev Emitted when the ownership is transferred
   * @param oldOwner The address of the old owner
   * @param newOwner The address of the new owner
   **/
  event OwnershipTransferred(address oldOwner, address newOwner);

  /**
   * @dev Emitted when the claim admin is updated
   * @param oldAdmin The address of the old admin
   * @param newAdmin The address of the new admin
   **/
  event ClaimAdminUpdated(address oldAdmin, address newAdmin);

  /**
   * @dev Emitted on mint
   * @param user The address initiating the burn
   * @param nftAsset address of the underlying asset of NFT
   * @param nftTokenId token id of the underlying asset of NFT
   * @param owner The owner address receive the bNFT token
   **/
  event Mint(address indexed user, address indexed nftAsset, uint256 nftTokenId, address indexed owner);

  /**
   * @dev Emitted on burn
   * @param user The address initiating the burn
   * @param nftAsset address of the underlying asset of NFT
   * @param nftTokenId token id of the underlying asset of NFT
   * @param owner The owner address of the burned bNFT token
   **/
  event Burn(address indexed user, address indexed nftAsset, uint256 nftTokenId, address indexed owner);

  /**
   * @dev Emitted on flashLoan
   * @param target The address of the flash loan receiver contract
   * @param initiator The address initiating the flash loan
   * @param nftAsset address of the underlying asset of NFT
   * @param tokenId The token id of the asset being flash borrowed
   **/
  event FlashLoan(address indexed target, address indexed initiator, address indexed nftAsset, uint256 tokenId);

  event ClaimERC20Airdrop(address indexed token, address indexed to, uint256 amount);

  event ClaimERC721Airdrop(address indexed token, address indexed to, uint256[] ids);

  event ClaimERC1155Airdrop(address indexed token, address indexed to, uint256[] ids, uint256[] amounts, bytes data);

  event ExecuteAirdrop(address indexed airdropContract);

  event FlashLoanApproval(address indexed minter, address indexed operator, bool approved);

  event FlashLoanLocking(uint256 tokenId, address indexed minter, address indexed operator, bool approved);

  /**
   * @dev Initializes the bNFT
   * @param underlyingAsset_ The address of the underlying asset of this bNFT (E.g. PUNK for bPUNK)
   */
  function initialize(
    address underlyingAsset_,
    string calldata bNftName,
    string calldata bNftSymbol,
    address owner_,
    address claimAdmin_,
    address bnftRegistry_
  ) external;

  /**
   * @dev Mints bNFT token to the user address
   *
   * Requirements:
   *  - The caller can be contract address and EOA.
   *  - `nftTokenId` must not exist.
   *
   * @param to The owner address receive the bNFT token
   * @param tokenId token id of the underlying asset of NFT
   **/
  function mint(address to, uint256 tokenId) external;

  /**
   * @dev Burns user bNFT token
   *
   * Requirements:
   *  - The caller can be contract address and EOA.
   *  - `tokenId` must exist.
   *
   * @param tokenId token id of the underlying asset of NFT
   **/
  function burn(uint256 tokenId) external;

  /**
   * @dev Allows smartcontracts to access the tokens within one transaction, as long as the tokens taken is returned.
   *
   * Requirements:
   *  - `nftTokenIds` must exist.
   *
   * @param receiverAddress The address of the contract receiving the tokens, implementing the IFlashLoanReceiver interface
   * @param nftTokenIds token ids of the underlying asset
   * @param params Variadic packed params to pass to the receiver as extra information
   */
  function flashLoan(
    address receiverAddress,
    uint256[] calldata nftTokenIds,
    bytes calldata params
  ) external;

  /**
   * @dev Approve or remove the flash loan `operator` as an operator for the minter.
   * Operators can call {flashLoan} for any token minted by the minter.
   *
   */
  function setFlashLoanApproval(address operator, bool approved) external;

  /**
   * @dev Returns if the `operator` is allowed to call flash loan of the assets of `minter`.
   */
  function isFlashLoanApproved(address minter, address operator) external view returns (bool);

  /**
   * @dev Lock or unlock the flash loan `operator` as an operator for the minter.
   * Operators can call {flashLoan} for any token minted by the minter.
   *
   */
  function setFlashLoanLocking(
    uint256 tokenId,
    address operator,
    bool locked
  ) external;

  /**
   * @dev Returns if the `operator` is allowed to call flash loan of the assets of `minter`.
   */
  function isFlashLoanLocked(
    uint256 tokenId,
    address minter,
    address operator
  ) external view returns (bool);

  function getFlashLoanLocked(uint256 tokenId, address minter) external view returns (address[] memory);

  // V1 Delegate Cash

  function getDelegateCashForToken(uint256[] calldata tokenIds) external view returns (address[][] memory);

  function setDelegateCashForToken(uint256[] calldata tokenIds, bool value) external;

  function setDelegateCashForToken(
    address delegate,
    uint256[] calldata tokenIds,
    bool value
  ) external;

  // V2 Delegate Cash

  function getDelegateCashForTokenV2(uint256[] calldata tokenIds) external view returns (address[][] memory);

  function setDelegateCashForTokenV2(uint256[] calldata tokenIds, bool value) external;

  function setDelegateCashForTokenV2(
    address delegate,
    uint256[] calldata tokenIds,
    bool value
  ) external;

  // Airdrop

  function claimERC20Airdrop(
    address token,
    address to,
    uint256 amount
  ) external;

  function claimERC721Airdrop(
    address token,
    address to,
    uint256[] calldata ids
  ) external;

  function claimERC1155Airdrop(
    address token,
    address to,
    uint256[] calldata ids,
    uint256[] calldata amounts,
    bytes calldata data
  ) external;

  function executeAirdrop(address airdropContract, bytes calldata airdropParams) external;

  /**
   * @dev Returns the owner of the `nftTokenId` token.
   *
   * Requirements:
   *  - `tokenId` must exist.
   *
   * @param tokenId token id of the underlying asset of NFT
   */
  function minterOf(uint256 tokenId) external view returns (address);

  /**
   * @dev Returns the address of the underlying asset.
   */
  function underlyingAsset() external view returns (address);

  /**
   * @dev Returns the contract-level metadata.
   */
  function contractURI() external view returns (string memory);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

interface IBNFTRegistry {
  event Initialized(address genericImpl, string namePrefix, string symbolPrefix);
  event GenericImplementationUpdated(address genericImpl);
  event BNFTCreated(address indexed nftAsset, address bNftImpl, address bNftProxy, uint256 totals);
  event BNFTUpgraded(address indexed nftAsset, address bNftImpl, address bNftProxy, uint256 totals);
  event CustomeSymbolsAdded(address[] nftAssets, string[] symbols);
  event ClaimAdminUpdated(address oldAdmin, address newAdmin);
  event DelegateCashUpdated(address oldDelegateCash, address newDelegateCash);
  event DelegateCashV2Updated(address oldDelegateCash, address newDelegateCash);

  function getBNFTAddresses(address nftAsset) external view returns (address bNftProxy, address bNftImpl);

  function getBNFTAddressesByIndex(uint16 index) external view returns (address bNftProxy, address bNftImpl);

  function getBNFTAssetList() external view returns (address[] memory);

  function allBNFTAssetLength() external view returns (uint256);

  function getDelegateCashContract() external view returns (address);

  function getDelegateCashContractV2() external view returns (address);

  function initialize(
    address genericImpl,
    string memory namePrefix_,
    string memory symbolPrefix_
  ) external;

  function setBNFTGenericImpl(address genericImpl) external;

  /**
   * @dev Create bNFT proxy and implement, then initialize it
   * @param nftAsset The address of the underlying asset of the BNFT
   **/
  function createBNFT(address nftAsset) external returns (address bNftProxy);

  /**
   * @dev Create bNFT proxy with already deployed implement, then initialize it
   * @param nftAsset The address of the underlying asset of the BNFT
   * @param bNftImpl The address of the deployed implement of the BNFT
   **/
  function createBNFTWithImpl(address nftAsset, address bNftImpl) external returns (address bNftProxy);

  /**
   * @dev Update bNFT proxy to an new deployed implement, then initialize it
   * @param nftAsset The address of the underlying asset of the BNFT
   * @param bNftImpl The address of the deployed implement of the BNFT
   * @param encodedCallData The encoded function call.
   **/
  function upgradeBNFTWithImpl(
    address nftAsset,
    address bNftImpl,
    bytes memory encodedCallData
  ) external;

  function batchUpgradeBNFT(address[] calldata nftAssets) external;

  function batchUpgradeAllBNFT() external;

  /**
   * @dev Adding custom symbol for some special NFTs like CryptoPunks
   * @param nftAssets_ The addresses of the NFTs
   * @param symbols_ The custom symbols of the NFTs
   **/
  function addCustomeSymbols(address[] memory nftAssets_, string[] memory symbols_) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

/**
 * @title IFlashLoanReceiver interface
 * @notice Interface for the IFlashLoanReceiver.
 * @author BEND
 * @dev implement this interface to develop a flashloan-compatible flashLoanReceiver contract
 **/
interface IFlashLoanReceiver {
  function executeOperation(
    address asset,
    uint256[] calldata tokenIds,
    address initiator,
    address operator,
    bytes calldata params
  ) external returns (bool);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

interface IENSReverseRegistrar {
  /**
   * @dev Sets the `name()` record for the reverse ENS record associated with
   * the calling account. First updates the resolver to the default reverse
   * resolver if necessary.
   * @param name The name to set for this address.
   * @return The ENS node hash of the reverse record.
   */
  function setName(string memory name) external returns (bytes32);
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.4;

/**
 * @title An immutable registry contract to be deployed as a standalone primitive
 * @dev See EIP-5639, new project launches can read previous cold wallet -> hot wallet delegations
 * from here and integrate those permissions into their flow
 */
interface IDelegationRegistry {
  /**
   * @notice Allow the delegate to act on your behalf for a specific token
   * @param delegate The hotwallet to act on your behalf
   * @param contract_ The address for the contract you're delegating
   * @param tokenId The token id for the token you're delegating
   * @param value Whether to enable or disable delegation for this address, true for setting and false for revoking
   */
  function delegateForToken(
    address delegate,
    address contract_,
    uint256 tokenId,
    bool value
  ) external;

  /**
   * @notice Returns an array of contract-level delegates for a given vault's token
   * @param vault The cold wallet who issued the delegation
   * @param contract_ The address for the contract holding the token
   * @param tokenId The token id for the token you're delegating
   * @return addresses Array of contract-level delegates for a given vault's token
   */
  function getDelegatesForToken(
    address vault,
    address contract_,
    uint256 tokenId
  ) external view returns (address[] memory);
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.4;

/**
 * @title IDelegateRegistryV2
 * @custom:version 2.0
 * @custom:author foobar (0xfoobar)
 * @notice A standalone immutable registry storing delegated permissions from one address to another
 */
interface IDelegateRegistryV2 {
  /// @notice Delegation type, NONE is used when a delegation does not exist or is revoked
  enum DelegationType {
    NONE,
    ALL,
    CONTRACT,
    ERC721,
    ERC20,
    ERC1155
  }

  /// @notice Struct for returning delegations
  struct Delegation {
    DelegationType type_;
    address to;
    address from;
    bytes32 rights;
    address contract_;
    uint256 tokenId;
    uint256 amount;
  }

  /**
   * -----------  WRITE -----------
   */

  /**
   * @notice Allow the delegate to act on behalf of `msg.sender` for a specific ERC721 token
   * @param to The address to act as delegate
   * @param contract_ The contract whose rights are being delegated
   * @param tokenId The token id to delegate
   * @param rights Specific subdelegation rights granted to the delegate, pass an empty bytestring to encompass all rights
   * @param enable Whether to enable or disable this delegation, true delegates and false revokes
   * @return delegationHash The unique identifier of the delegation
   */
  function delegateERC721(
    address to,
    address contract_,
    uint256 tokenId,
    bytes32 rights,
    bool enable
  ) external payable returns (bytes32 delegationHash);

  /**
   * ----------- ENUMERATIONS -----------
   */

  /**
   * @notice Returns all enabled delegations an address has given out
   * @param from The address to retrieve delegations for
   * @return delegations Array of Delegation structs
   */
  function getOutgoingDelegations(address from) external view returns (Delegation[] memory delegations);

  /**
   * @notice Returns the delegations for a given array of delegation hashes
   * @param delegationHashes is an array of hashes that correspond to delegations
   * @return delegations Array of Delegation structs, return empty structs for nonexistent or revoked delegations
   */
  function getDelegationsFromHashes(bytes32[] calldata delegationHashes)
    external
    view
    returns (Delegation[] memory delegations);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

interface IMoonbirds {
  /**
    @notice Changes the Moonbirds' nesting statuss (what's the plural of status?
    statii? statuses? status? The plural of sheep is sheep; maybe it's also the
    plural of status).
    @dev Changes the Moonbirds' nesting sheep (see @notice).
     */
  function toggleNesting(uint256[] calldata tokenIds) external;
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

                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/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSetUpgradeable {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

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

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

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

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

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721Upgradeable.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

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

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721Upgradeable.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);

        _afterTokenTransfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721Upgradeable.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);

        _afterTokenTransfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721Upgradeable.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

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

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721Upgradeable.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721ReceiverUpgradeable(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721ReceiverUpgradeable.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) 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 v4.4.1 (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 Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        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 v4.5.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

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

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

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

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

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

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

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

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721ReceiverUpgradeable {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155ReceiverUpgradeable is IERC165Upgradeable {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts 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 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 v4.5.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.0;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since 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.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
 * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() initializer {}
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        // If the contract is initializing we ignore whether _initialized is set in order to support multiple
        // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
        // contract may have been reentered.
        require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} modifier, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    function _isConstructor() private view returns (bool) {
        return !AddressUpgradeable.isContract(address(this));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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) (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);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"underlyingAsset","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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