Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: LGPL-3.0-or-later
pragma solidity ^0.8.19;

import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import {BitMaps} from "@openzeppelin/contracts/utils/structs/BitMaps.sol";
import {DefaultOperatorFilterer} from "operator-filter-registry/src/DefaultOperatorFilterer.sol";

interface IDelegationRegistry {
    function checkDelegateForAll(
        address delegate,
        address vault
    ) external view returns (bool);
}

contract GarbageBags is ERC721A, Ownable, ERC2981, DefaultOperatorFilterer {
    using ECDSA for bytes32;
    using BitMaps for BitMaps.BitMap;

    uint16 public constant MAX_SUPPLY = 6500;
    uint16 public constant PHASE1_SUPPLY = 5400;
    uint224 public mintingFee;
    uint256 public minStakeTime = 30 days;
    bool public paused;
    bool public isTokenBasedMintEnabled;
    string public baseTokenURI;
    address public signer;
    address private _allowedCaller;
    BitMaps.BitMap private _isUpgrade;
    BitMaps.BitMap private _isMintedTokenId;

    IERC721 public invisibleFriends;
    IDelegationRegistry public delegationRegistry;

    // staker address to staked ids
    mapping(address => uint256[]) private _stakes;

    // staker address to minte4d token id
    mapping(address => uint256) private _usersMintedId;

    // stakers staked id to index
    mapping(uint256 => uint256) private _stakeIdsIndex;

    // stakers id to stake time
    mapping(address => mapping(uint256 => uint256)) private _userStakeTime;

    // Events
    event Staked(address indexed user, uint256[] tokenIds, uint256 stakeTime);
    event Unstaked(address indexed user, uint256[] tokenIds);

    // Custom error
    error ContractPausedError();
    error IncorrectMintingFeeError();
    error MaxSupplyReachedError();
    error InvalidSignatureError();
    error ZeroBalanceError();
    error WithdrawalFailedError();
    error OnlyAllowedCallerError();
    error ZeroStakeError();
    error NotTokenOwnerError();
    error AlreadyStakedError();
    error NoStakeFoundError();
    error NftStakeError();
    error InvalidPhaseError();
    error Phase1SupplyReachedError();
    error TokenIdAlreadyMintedError();
    error NotDelegatedError();
    error TokenBasedMintDisabledError();

    constructor(
        uint224 _mintingFee,
        uint96 _royaltyFraction,
        string memory _baseTokenURI,
        address _signer,
        address _invisibleFriends,
        address _delegationRegistry
    ) ERC721A("Garbage Bags", "GARBAGEB") {
        mintingFee = _mintingFee;
        paused = true;
        isTokenBasedMintEnabled = true;
        baseTokenURI = _baseTokenURI;
        signer = _signer;
        _setDefaultRoyalty(_msgSender(), _royaltyFraction);
        invisibleFriends = IERC721(_invisibleFriends);
        delegationRegistry = IDelegationRegistry(_delegationRegistry);
        _mintERC2309(_msgSender(), 100);
    }

    // Modifiers

    modifier onlyAllowedCaller() {
        if (_msgSender() != _allowedCaller) revert OnlyAllowedCallerError();
        _;
    }

    modifier verifyPause() {
        if (paused) revert ContractPausedError();
        _;
    }

    modifier verifyMintingFee(uint256 amount) {
        if (msg.value != mintingFee * amount) revert IncorrectMintingFeeError();
        _;
    }

    /**
     *@notice This is an internal function that returns base URI
     */
    function _baseURI() internal view override returns (string memory) {
        return baseTokenURI;
    }

    /**
     * @notice Mint token for 'to' address
     * @param amount uint
     * @param phase uint
     * @param sig bytes
     * @param to address
     */
    function mint(
        uint256 amount,
        uint256 phase,
        bytes calldata sig,
        address to
    ) external payable verifyPause verifyMintingFee(amount) {
        if (phase == 0 || phase > 2) revert InvalidPhaseError();
        if (phase == 1) {
            if (_totalMinted() + amount > PHASE1_SUPPLY)
                revert Phase1SupplyReachedError();
        } else {
            if (_totalMinted() + amount > MAX_SUPPLY)
                revert MaxSupplyReachedError();
        }
        uint256 nonce = _getAux(to);
        address sigRecover = keccak256(
            abi.encodePacked(to, amount, nonce, phase)
        ).toEthSignedMessageHash().recover(sig);

        if (sigRecover != signer) revert InvalidSignatureError();
        _setAux(to, uint64(nonce) + 1);
        _mint(to, amount);
    }

    /**
     * @notice Mint token for 'caller' address
     * @param tokenIds uint[]
     * @param phase uint256
     */
    function mintForGarbageFriends(
        uint256[] calldata tokenIds,
        uint256 phase
    ) external payable verifyPause verifyMintingFee(tokenIds.length) {
        if (!isTokenBasedMintEnabled) revert TokenBasedMintDisabledError();
        if (phase != 1) revert InvalidPhaseError();
        if (_totalMinted() + tokenIds.length > PHASE1_SUPPLY)
            revert Phase1SupplyReachedError();

        _checkOwnershipAndMarkIDsMinted(tokenIds, _msgSender());
        _mint(_msgSender(), tokenIds.length);
    }

    /**
     * @notice Mint token for 'vault' address
     * @param vault address
     * @param tokenIds uint[]
     * @param phase uint
     */
    function delegateMintForGarbageFriends(
        address vault,
        uint256[] calldata tokenIds,
        uint256 phase
    ) external payable verifyPause verifyMintingFee(tokenIds.length) {
        if (!isTokenBasedMintEnabled) revert TokenBasedMintDisabledError();
        if (phase != 1) revert InvalidPhaseError();
        if (_totalMinted() + tokenIds.length > PHASE1_SUPPLY)
            revert Phase1SupplyReachedError();
        if (!delegationRegistry.checkDelegateForAll(_msgSender(), vault))
            revert NotDelegatedError();

        _checkOwnershipAndMarkIDsMinted(tokenIds, vault);
        _mint(vault, tokenIds.length);
    }

    /**
     * @notice Internal function to check ownership of token and set minted token
     * @param originalIds unit
     * @param owner address
     */
    function _checkOwnershipAndMarkIDsMinted(
        uint256[] calldata originalIds,
        address owner
    ) private {
        uint256 tokenId;
        for (uint256 i = 0; i < originalIds.length; ) {
            tokenId = originalIds[i];
            if (invisibleFriends.ownerOf(tokenId) != owner)
                revert NotTokenOwnerError();
            if (_isMintedTokenId.get(tokenId))
                revert TokenIdAlreadyMintedError();

            _isMintedTokenId.set(tokenId);
            _usersMintedId[owner]++;
            unchecked {
                ++i;
            }
        }
    }

    /**
     * @notice Sets the pause status
     * @param _status bool
     */
    function setPause(bool _status) external onlyOwner {
        paused = _status;
    }

    /**
     * @notice Sets the signer wallet address
     * @param _signer address
     */
    function setSigner(address _signer) external onlyOwner {
        signer = _signer;
    }

    /**
     * @notice Update the base token URI
     * @param _newBaseURI string
     */
    function setBaseURI(string calldata _newBaseURI) external onlyOwner {
        baseTokenURI = _newBaseURI;
    }

    /**
     * @notice Update minting fee
     * @param _fee uint
     */
    function setMintingFee(uint224 _fee) external onlyOwner {
        mintingFee = _fee;
    }

    /**
     * @notice Update caller to burn token
     * @param _caller address
     */
    function setAllowedCaller(address _caller) external onlyOwner {
        _allowedCaller = _caller;
    }

    /**
     * @notice Update royalty information
     * @param receiver address
     * @param numerator uint96
     */
    function setDefaultRoyalty(
        address payable receiver,
        uint96 numerator
    ) external onlyOwner {
        _setDefaultRoyalty(receiver, numerator);
    }

    /**
     * @notice Update minimum staking time to unstake token
     * @param _minStakeTime uint
     */
    function setMinStakeTime(uint256 _minStakeTime) external onlyOwner {
        minStakeTime = _minStakeTime;
    }

    /**
     * @notice Update token based minting status
     * @param status bool
     */
    function setTokenBasedMintStatus(bool status) external onlyOwner {
        isTokenBasedMintEnabled = status;
    }

    /**
     * @notice burn token id
     * @param tokenId uint
     */
    function burn(uint256 tokenId) external onlyAllowedCaller {
        _burn(tokenId);
    }

    /**
     * @notice Owner can withdraw balance
     */
    function withdraw() external onlyOwner {
        uint256 balance = address(this).balance;
        if (balance == 0) revert ZeroBalanceError();
        (bool success, ) = owner().call{value: balance}("");
        if (!success) revert WithdrawalFailedError();
    }

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

    // Override following ERC721a's method to auto restrict marketplace contract

    function setApprovalForAll(
        address operator,
        bool approved
    ) public override onlyAllowedOperatorApproval(operator) {
        if (_stakes[_msgSender()].length > 0) {
            revert NftStakeError();
        }
        super.setApprovalForAll(operator, approved);
    }

    function approve(
        address operator,
        uint256 tokenId
    ) public payable override onlyAllowedOperatorApproval(operator) {
        if (_exists(tokenId)) {
            if (_userStakeTime[ownerOf(tokenId)][tokenId] > 0) {
                revert NftStakeError();
            }
        }
        super.approve(operator, tokenId);
    }

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable override onlyAllowedOperator(from) {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public payable override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId, data);
    }

    // The following functions are overrides required by Solidity.

    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 tokenId,
        uint256 quantity
    ) internal override {
        if (_exists(tokenId)) {
            if (_userStakeTime[ownerOf(tokenId)][tokenId] > 0) {
                revert NftStakeError();
            }
        }
        super._beforeTokenTransfers(from, to, tokenId, quantity);
    }

    function supportsInterface(
        bytes4 interfaceId
    ) public view override(ERC721A, ERC2981) returns (bool) {
        return
            ERC721A.supportsInterface(interfaceId) ||
            ERC2981.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns the URI for `tokenId` token
     * @param tokenId uint
     */
    function tokenURI(
        uint256 tokenId
    ) public view override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory base = _baseURI();
        return string(abi.encodePacked(base, _toString(tokenId)));
    }

    /**
     * @dev Returns if token ids minted or not
     * @param tokenIds uint[]
     */
    function checkAlreadyMintedIds(
        uint256[] calldata tokenIds
    ) external view returns (bool[] memory) {
        bool[] memory states = new bool[](tokenIds.length);
        for (uint256 i = 0; i < tokenIds.length; ) {
            states[i] = _isMintedTokenId.get(tokenIds[i]);
            unchecked {
                ++i;
            }
        }
        return states;
    }

    /**
     * @dev Stake the token ids
     * @param _tokenIds uint[]
     * @param sig bytes
     */
    function stake(uint256[] calldata _tokenIds, bytes calldata sig) external verifyPause {
        if (_tokenIds.length == 0) revert ZeroStakeError();
        uint256 nonce = _getAux(_msgSender());
        address sigRecover = keccak256(
            abi.encodePacked(_msgSender(), _tokenIds.length, nonce)
        ).toEthSignedMessageHash().recover(sig);

        if (sigRecover != signer) revert InvalidSignatureError();
        _setAux(_msgSender(), uint64(nonce) + 1);

        for (uint256 i; i < _tokenIds.length; ) {
            uint256 tokenId = _tokenIds[i];
            if (ownerOf(tokenId) != _msgSender()) revert NotTokenOwnerError();
            if (_userStakeTime[_msgSender()][tokenId] != 0)
                revert AlreadyStakedError();
            _stakeIdsIndex[tokenId] = _stakes[_msgSender()].length;
            _stakes[_msgSender()].push(tokenId);
            _userStakeTime[_msgSender()][tokenId] = block.timestamp;
            unchecked {
                ++i;
            }
        }

        emit Staked(_msgSender(), _tokenIds, block.timestamp);
    }

    /**
     * @dev Unstake the token ids
     * @param _tokenIds uint[]
     */
    function unstake(uint256[] calldata _tokenIds) external {
        if (_tokenIds.length == 0) revert ZeroStakeError();
        for (uint256 i; i < _tokenIds.length; ) {
            uint256 tokenId = _tokenIds[i];
            if (ownerOf(tokenId) != _msgSender()) revert NotTokenOwnerError();

            uint256 stakeTime = _userStakeTime[_msgSender()][tokenId];
            if (stakeTime == 0) revert NoStakeFoundError();

            uint256 index = _stakeIdsIndex[tokenId];
            uint256 lastIndex = _stakes[_msgSender()].length - 1;
            uint256 lastId = _stakes[_msgSender()][lastIndex];

            _stakes[_msgSender()].pop();

            // Swap last index with removed index if there are still items left
            if (lastIndex != 0) {
                _stakes[_msgSender()][index] = lastId;
                _stakeIdsIndex[lastId] = index;
            }

            if (block.timestamp > stakeTime + minStakeTime) {
                _isUpgrade.set(tokenId);
            }

            delete _stakeIdsIndex[tokenId];
            delete _userStakeTime[_msgSender()][tokenId];

            unchecked {
                ++i;
            }
        }

        emit Unstaked(_msgSender(), _tokenIds);
    }

     /**
     * @dev Returns the users minted token ids
     * @param user address
     */
    function getMintedIds(
        address user
    ) external view returns (uint256) {
        return _usersMintedId[user];
    }

    /**
     * @dev Returns the staked token ids of staker
     * @param user address
     */
    function getStakeIds(
        address user
    ) external view returns (uint256[] memory) {
        return _stakes[user];
    }

    /**
     * @dev Returns the nonce of user
     * @param user address
     */
    function nonces(address user) external view returns (uint256) {
        return _getAux(user);
    }

    /**
     * @dev Returns if token id is upgrade or not
     * @param tokenId uint
     */
    function isUpgradeTokenId(uint256 tokenId) external view returns (bool) {
        return _isUpgrade.get(tokenId);
    }

    /**
     * @dev Returns the staked token ids of staker
     * @param user address
     */
    function getStakeInfo(
        address user
    ) external view returns (uint256[] memory, uint256[] memory) {
        uint256 stakesLen = _stakes[user].length;
        uint256[] memory stakeTime = new uint256[](stakesLen);

        for (uint256 i; i < stakesLen; ) {
            uint256 id = _stakes[user][i];
            stakeTime[i] = _userStakeTime[user][id];
            unchecked {
                ++i;
            }
        }
        return (_stakes[user], stakeTime);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(
        uint256 tokenId,
        uint256 salePrice
    ) external view returns (address receiver, uint256 royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice) public view virtual override returns (address, uint256) {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

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

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

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

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

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

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32")
            mstore(0x1c, hash)
            message := keccak256(0x00, 0x3c)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, "\x19\x01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            data := keccak256(ptr, 0x42)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Data with intended validator, created from a
     * `validator` and `data` according to the version 0 of EIP-191.
     *
     * See {recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x00", validator, data));
    }
}

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

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

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/BitMaps.sol)
pragma solidity ^0.8.0;

/**
 * @dev Library for managing uint256 to bool mapping in a compact and efficient way, providing the keys are sequential.
 * Largely inspired by Uniswap's https://github.com/Uniswap/merkle-distributor/blob/master/contracts/MerkleDistributor.sol[merkle-distributor].
 */
library BitMaps {
    struct BitMap {
        mapping(uint256 => uint256) _data;
    }

    /**
     * @dev Returns whether the bit at `index` is set.
     */
    function get(BitMap storage bitmap, uint256 index) internal view returns (bool) {
        uint256 bucket = index >> 8;
        uint256 mask = 1 << (index & 0xff);
        return bitmap._data[bucket] & mask != 0;
    }

    /**
     * @dev Sets the bit at `index` to the boolean `value`.
     */
    function setTo(BitMap storage bitmap, uint256 index, bool value) internal {
        if (value) {
            set(bitmap, index);
        } else {
            unset(bitmap, index);
        }
    }

    /**
     * @dev Sets the bit at `index`.
     */
    function set(BitMap storage bitmap, uint256 index) internal {
        uint256 bucket = index >> 8;
        uint256 mask = 1 << (index & 0xff);
        bitmap._data[bucket] |= mask;
    }

    /**
     * @dev Unsets the bit at `index`.
     */
    function unset(BitMap storage bitmap, uint256 index) internal {
        uint256 bucket = index >> 8;
        uint256 mask = 1 << (index & 0xff);
        bitmap._data[bucket] &= ~mask;
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

    // The next token ID to be minted.
    uint256 private _currentIndex;

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned.
    // See {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

    // Mapping owner address to address data.
    //
    // Bits Layout:
    // - [0..63]    `balance`
    // - [64..127]  `numberMinted`
    // - [128..191] `numberBurned`
    // - [192..255] `aux`
    mapping(address => uint256) private _packedAddressData;

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

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

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

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

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

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

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

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

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

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

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

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

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

    /**
     * @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, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @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) public payable virtual override {
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @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) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

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

    /**
     * @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. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * 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
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

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

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

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

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @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 memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

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

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

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
            bytes4 retval
        ) {
            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

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

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

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

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

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

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

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

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

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

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

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

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

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

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @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,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` 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 payable;

    /**
     * @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 payable;

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

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

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

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @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);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {OperatorFilterer} from "./OperatorFilterer.sol";
import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol";
/**
 * @title  DefaultOperatorFilterer
 * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
 * @dev    Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract DefaultOperatorFilterer is OperatorFilterer {
    /// @dev The constructor that is called when the contract is being deployed.
    constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    /**
     * @notice Returns true if operator is not filtered for a given token, either by address or codeHash. Also returns
     *         true if supplied registrant address is not registered.
     */
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);

    /**
     * @notice Registers an address with the registry. May be called by address itself or by EIP-173 owner.
     */
    function register(address registrant) external;

    /**
     * @notice Registers an address with the registry and "subscribes" to another address's filtered operators and codeHashes.
     */
    function registerAndSubscribe(address registrant, address subscription) external;

    /**
     * @notice Registers an address with the registry and copies the filtered operators and codeHashes from another
     *         address without subscribing.
     */
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;

    /**
     * @notice Unregisters an address with the registry and removes its subscription. May be called by address itself or by EIP-173 owner.
     *         Note that this does not remove any filtered addresses or codeHashes.
     *         Also note that any subscriptions to this registrant will still be active and follow the existing filtered addresses and codehashes.
     */
    function unregister(address addr) external;

    /**
     * @notice Update an operator address for a registered address - when filtered is true, the operator is filtered.
     */
    function updateOperator(address registrant, address operator, bool filtered) external;

    /**
     * @notice Update multiple operators for a registered address - when filtered is true, the operators will be filtered. Reverts on duplicates.
     */
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;

    /**
     * @notice Update a codeHash for a registered address - when filtered is true, the codeHash is filtered.
     */
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;

    /**
     * @notice Update multiple codeHashes for a registered address - when filtered is true, the codeHashes will be filtered. Reverts on duplicates.
     */
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;

    /**
     * @notice Subscribe an address to another registrant's filtered operators and codeHashes. Will remove previous
     *         subscription if present.
     *         Note that accounts with subscriptions may go on to subscribe to other accounts - in this case,
     *         subscriptions will not be forwarded. Instead the former subscription's existing entries will still be
     *         used.
     */
    function subscribe(address registrant, address registrantToSubscribe) external;

    /**
     * @notice Unsubscribe an address from its current subscribed registrant, and optionally copy its filtered operators and codeHashes.
     */
    function unsubscribe(address registrant, bool copyExistingEntries) external;

    /**
     * @notice Get the subscription address of a given registrant, if any.
     */
    function subscriptionOf(address addr) external returns (address registrant);

    /**
     * @notice Get the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscribers(address registrant) external returns (address[] memory);

    /**
     * @notice Get the subscriber at a given index in the set of addresses subscribed to a given registrant.
     *         Note that order is not guaranteed as updates are made.
     */
    function subscriberAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Copy filtered operators and codeHashes from a different registrantToCopy to addr.
     */
    function copyEntriesOf(address registrant, address registrantToCopy) external;

    /**
     * @notice Returns true if operator is filtered by a given address or its subscription.
     */
    function isOperatorFiltered(address registrant, address operator) external returns (bool);

    /**
     * @notice Returns true if the hash of an address's code is filtered by a given address or its subscription.
     */
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);

    /**
     * @notice Returns true if a codeHash is filtered by a given address or its subscription.
     */
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);

    /**
     * @notice Returns a list of filtered operators for a given address or its subscription.
     */
    function filteredOperators(address addr) external returns (address[] memory);

    /**
     * @notice Returns the set of filtered codeHashes for a given address or its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);

    /**
     * @notice Returns the filtered operator at the given index of the set of filtered operators for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);

    /**
     * @notice Returns the filtered codeHash at the given index of the list of filtered codeHashes for a given address or
     *         its subscription.
     *         Note that order is not guaranteed as updates are made.
     */
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);

    /**
     * @notice Returns true if an address has registered
     */
    function isRegistered(address addr) external returns (bool);

    /**
     * @dev Convenience method to compute the code hash of an arbitrary contract
     */
    function codeHashOf(address addr) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

address constant CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS = 0x000000000000AAeB6D7670E522A718067333cd4E;
address constant CANONICAL_CORI_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol";
/**
 * @title  OperatorFilterer
 * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
 *         registrant's entries in the OperatorFilterRegistry.
 * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
 *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
 *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
 *         Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */

abstract contract OperatorFilterer {
    /// @dev Emitted when an operator is not allowed.
    error OperatorNotAllowed(address operator);

    IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
        IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS);

    /// @dev The constructor that is called when the contract is being deployed.
    constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
        // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
        // will not revert, but the contract will need to be registered with the registry once it is deployed in
        // order for the modifier to filter addresses.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            if (subscribe) {
                OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
            } else {
                if (subscriptionOrRegistrantToCopy != address(0)) {
                    OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                } else {
                    OPERATOR_FILTER_REGISTRY.register(address(this));
                }
            }
        }
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    modifier onlyAllowedOperator(address from) virtual {
        // Allow spending tokens from addresses with balance
        // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
        // from an EOA.
        if (from != msg.sender) {
            _checkFilterOperator(msg.sender);
        }
        _;
    }

    /**
     * @dev A helper function to check if an operator approval is allowed.
     */
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        _checkFilterOperator(operator);
        _;
    }

    /**
     * @dev A helper function to check if an operator is allowed.
     */
    function _checkFilterOperator(address operator) internal view virtual {
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            // under normal circumstances, this function will revert rather than return false, but inheriting contracts
            // may specify their own OperatorFilterRegistry implementations, which may behave differently
            if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint224","name":"_mintingFee","type":"uint224"},{"internalType":"uint96","name":"_royaltyFraction","type":"uint96"},{"internalType":"string","name":"_baseTokenURI","type":"string"},{"internalType":"address","name":"_signer","type":"address"},{"internalType":"address","name":"_invisibleFriends","type":"address"},{"internalType":"address","name":"_delegationRegistry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyStakedError","type":"error"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"ContractPausedError","type":"error"},{"inputs":[],"name":"IncorrectMintingFeeError","type":"error"},{"inputs":[],"name":"InvalidPhaseError","type":"error"},{"inputs":[],"name":"InvalidSignatureError","type":"error"},{"inputs":[],"name":"MaxSupplyReachedError","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NftStakeError","type":"error"},{"inputs":[],"name":"NoStakeFoundError","type":"error"},{"inputs":[],"name":"NotDelegatedError","type":"error"},{"inputs":[],"name":"NotTokenOwnerError","type":"error"},{"inputs":[],"name":"OnlyAllowedCallerError","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"Phase1SupplyReachedError","type":"error"},{"inputs":[],"name":"TokenBasedMintDisabledError","type":"error"},{"inputs":[],"name":"TokenIdAlreadyMintedError","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"WithdrawalFailedError","type":"error"},{"inputs":[],"name":"ZeroBalanceError","type":"error"},{"inputs":[],"name":"ZeroStakeError","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"indexed":false,"internalType":"uint256","name":"stakeTime","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"Unstaked","type":"event"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PHASE1_SUPPLY","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"checkAlreadyMintedIds","outputs":[{"internalType":"bool[]","name":"","type":"bool[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256","name":"phase","type":"uint256"}],"name":"delegateMintForGarbageFriends","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"delegationRegistry","outputs":[{"internalType":"contract IDelegationRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getMintedIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getStakeIds","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"getStakeInfo","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"invisibleFriends","outputs":[{"internalType":"contract IERC721","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isTokenBasedMintEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"isUpgradeTokenId","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minStakeTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"phase","type":"uint256"},{"internalType":"bytes","name":"sig","type":"bytes"},{"internalType":"address","name":"to","type":"address"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256","name":"phase","type":"uint256"}],"name":"mintForGarbageFriends","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintingFee","outputs":[{"internalType":"uint224","name":"","type":"uint224"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"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":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_caller","type":"address"}],"name":"setAllowedCaller","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"receiver","type":"address"},{"internalType":"uint96","name":"numerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_minStakeTime","type":"uint256"}],"name":"setMinStakeTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint224","name":"_fee","type":"uint224"}],"name":"setMintingFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_status","type":"bool"}],"name":"setPause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"status","type":"bool"}],"name":"setTokenBasedMintStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"signer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"},{"internalType":"bytes","name":"sig","type":"bytes"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _mintingFee (uint224): 50000000000000000
Arg [1] : _royaltyFraction (uint96): 650
Arg [2] : _baseTokenURI (string): https://ipfs.io/ipfs/bafybeiduhn47ivbzylexgrjoravfcmvdeorw7oxxvoacdj6v3n2kutxdju/
Arg [3] : _signer (address): 0xBD2244C26C624E998D2eceC353f6cC7d942E938a
Arg [4] : _invisibleFriends (address): 0x59468516a8259058baD1cA5F8f4BFF190d30E066
Arg [5] : _delegationRegistry (address): 0x00000000000076A84feF008CDAbe6409d2FE638B

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000b1a2bc2ec50000
Arg [1] : 000000000000000000000000000000000000000000000000000000000000028a
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [3] : 000000000000000000000000bd2244c26c624e998d2ecec353f6cc7d942e938a
Arg [4] : 00000000000000000000000059468516a8259058bad1ca5f8f4bff190d30e066
Arg [5] : 00000000000000000000000000000000000076a84fef008cdabe6409d2fe638b
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000051
Arg [7] : 68747470733a2f2f697066732e696f2f697066732f626166796265696475686e
Arg [8] : 34376976627a796c657867726a6f72617666636d7664656f7277376f7878766f
Arg [9] : 6163646a3676336e326b757478646a752f000000000000000000000000000000