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: MIT
pragma solidity ^0.8.17;

import {IERC721A, ERC721A} from "erc721a/contracts/ERC721A.sol";
import {ERC721AQueryable} from "erc721a/contracts/extensions/ERC721AQueryable.sol";
import {OperatorFilterer} from "closedsea/src/OperatorFilterer.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IERC2981, ERC2981} from "@openzeppelin/contracts/token/common/ERC2981.sol";
import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

error InsufficientEth();
error SoldOut();
error MaxMints();
error SaleNotActive();
error InvalidSignature();
error BurnNotEnabled();
error CallerNotOwner();

contract ArkpiaPass is ERC721AQueryable, OperatorFilterer, Ownable, ERC2981 {
    using ECDSA for bytes32;

    uint256 public maxTotalMints = 1;
    uint256 public price;
    bool public operatorFilteringEnabled;
    bool public prePurchaseActive;
    address private signer = 0xc07064aC4aBa6A5893ab89F04e4a8913f7623C70;
    string private __baseURI = "ipfs://QmPAfLJUheQHYB3EAtdCfzK1LeqEPz3SpqtVq2bnromenA/";
    string private _baseExtension = ".json";
    string private goldMetadata;
    uint256 public prePurchaseCounter;
    uint256 public activePhase;
    bool public burnEnabled;

    mapping(uint256 => Phase) public phases;
    mapping(address => uint256) public prePurchases;
    mapping(uint256 => bool) public isSpecialId;

    event Prepurchase(address indexed user, uint256 amount);

    struct Phase {
        bool whitelistActive;
        bool publicActive;
        uint240 maxSupply;
    }

    constructor() ERC721A("Arkpia Pass", "ARK") {
        _registerForOperatorFiltering();
        _setDefaultRoyalty(address(0x2405679aC65DB5C8FF938aFb590631304d920baD), 500);
        operatorFilteringEnabled = true;
        phases[0] = Phase(false, false, 400);
        phases[1] = Phase(false, false, 850);
        phases[2] = Phase(false, false, 1000);
    }

    function mint(uint256 amount) external payable {
        Phase memory phase = phases[activePhase];
        if (!phase.publicActive) _revert(SaleNotActive.selector);
        uint256 totalMinted = _totalMinted();
        uint256 _prepurchaseCounter = prePurchaseCounter;
        uint256 numUserMints = _numberMinted(msg.sender);
        uint256 numPrepurchased = prePurchases[msg.sender];
        if (msg.value < price * amount) {
            _revert(InsufficientEth.selector);
        }
        if (totalMinted + amount + _prepurchaseCounter > phase.maxSupply) {
            _revert(SoldOut.selector);
        }
        if (numUserMints + amount + numPrepurchased > maxTotalMints) _revert(MaxMints.selector);
        if (prePurchaseActive) {
            prePurchases[msg.sender] = numPrepurchased + amount;
            prePurchaseCounter = _prepurchaseCounter + amount;
            emit Prepurchase(msg.sender, amount);
        } else {
            _mint(msg.sender, amount);
        }
    }

    function whitelistMint(uint256 amount, uint256 max, bytes calldata signature) external payable {
        Phase memory phase = phases[activePhase];
        bytes32 hash = keccak256(abi.encodePacked(msg.sender, max, activePhase));
        if (hash.toEthSignedMessageHash().recover(signature) != signer) _revert(InvalidSignature.selector);
        if (!phase.whitelistActive) _revert(SaleNotActive.selector);
        uint256 totalMinted = _totalMinted();
        uint256 _prepurchaseCounter = prePurchaseCounter;
        uint256 numUserMints = _numberMinted(msg.sender);
        uint256 numPrepurchased = prePurchases[msg.sender];
        if (msg.value < price * amount) {
            _revert(InsufficientEth.selector);
        }
        if (totalMinted + amount + _prepurchaseCounter > phase.maxSupply) {
            _revert(SoldOut.selector);
        }
        if (numUserMints + amount + numPrepurchased > maxTotalMints) _revert(MaxMints.selector);

        if (prePurchaseActive) {
            prePurchases[msg.sender] = numPrepurchased + amount;
            prePurchaseCounter = _prepurchaseCounter + amount;
            emit Prepurchase(msg.sender, amount);
        } else {
            _mint(msg.sender, amount);
        }
    }

    function burn5(uint256[5] calldata tokenIds) external {
        if (!burnEnabled) _revert(BurnNotEnabled.selector);
        for (uint256 i; i < tokenIds.length - 1;) {
            _burn(tokenIds[i], true);
            unchecked {
                ++i;
            }
        }

        uint256 _lastTokenId = tokenIds[tokenIds.length - 1];
        if (msg.sender != ownerOf(_lastTokenId)) _revert(CallerNotOwner.selector);
        isSpecialId[_lastTokenId] = true;
    }

    function burn(uint256 tokenId) external {
        if (!burnEnabled) _revert(BurnNotEnabled.selector);
        _burn(tokenId, true);
    }

    function airdropPrepurchasers(address[] calldata recipients) public onlyOwner {
        unchecked {
            for (uint256 i; i < recipients.length; ++i) {
                uint256 amount = prePurchases[recipients[i]];
                delete prePurchases[recipients[i]];
                _mint(recipients[i], amount);
            }
        }
    }

    // ==========================
    // ========= GETTERS ========
    // ==========================
    function _operatorFilteringEnabled() internal view override returns (bool) {
        return operatorFilteringEnabled;
    }

    function activePhaseInfo() public view returns (Phase memory) {
        return phases[activePhase];
    }

    function _isPriorityOperator(address operator) internal pure override returns (bool) {
        // OpenSea Seaport Conduit:
        // https://etherscan.io/address/0x1E0049783F008A0085193E00003D00cd54003c71
        // https://goerli.etherscan.io/address/0x1E0049783F008A0085193E00003D00cd54003c71
        return operator == address(0x1E0049783F008A0085193E00003D00cd54003c71);
    }

    function tokenURI(uint256 tokenId) public view override(IERC721A, ERC721A) returns (string memory) {
        if (isSpecialId[tokenId]) return goldMetadata;
        return string(abi.encodePacked(__baseURI, _toString(tokenId), _baseExtension));
    }

    function baseURI() public view returns (string memory) {
        return __baseURI;
    }

    function numberMinted(address account) external view returns (uint256) {
        return _numberMinted(account);
    }

    function setDefaultRoyalty(address receiver, uint96 feeNumerator) public onlyOwner {
        _setDefaultRoyalty(receiver, feeNumerator);
    }

    function setOperatorFilteringEnabled(bool value) public onlyOwner {
        operatorFilteringEnabled = value;
    }

    // ==========================
    // ========= SETTERS ========
    // ==========================
    function setPrice(uint256 _price) public onlyOwner {
        assembly {
            sstore(price.slot, _price)
        }
    }

    function setMaxTotalMints(uint256 _maxTotalMints) public onlyOwner {
        assembly {
            sstore(maxTotalMints.slot, _maxTotalMints)
        }
    }

    function setPrepurchaseStatus(bool _prePurchaseActive) public onlyOwner {
        prePurchaseActive = _prePurchaseActive;
    }

    function setPhase(uint256 phase, bool whitelistActive, bool publicActive) public onlyOwner {
        Phase memory _phase = phases[phase];
        _phase.whitelistActive = whitelistActive;
        _phase.publicActive = publicActive;
        phases[phase] = _phase;
        activePhase = phase;
    }

    function setPhaseEmergency(uint256 phase, bool whitelistActive, bool publicActive, uint240 maxSupply)
        public
        onlyOwner
    {
        Phase memory _phase = Phase(whitelistActive, publicActive, maxSupply);
        phases[phase] = _phase;
        activePhase = phase;
    }

    function setBaseURI(string memory baseURI) public onlyOwner {
        __baseURI = baseURI;
    }

    function setGoldenURI(string memory goldenURI) public onlyOwner {
        goldMetadata = goldenURI;
    }

    function setBaseExtension(string memory baseExtension) public onlyOwner {
        _baseExtension = baseExtension;
    }

    function setBurnEnabled(bool _burnEnabled) public onlyOwner {
        burnEnabled = _burnEnabled;
    }

    // ==========================
    // ========= Overrides ========
    // ==========================
    function setApprovalForAll(address operator, bool approved)
        public
        override(IERC721A, ERC721A)
        onlyAllowedOperatorApproval(operator)
    {
        super.setApprovalForAll(operator, approved);
    }

    function approve(address operator, uint256 tokenId)
        public
        payable
        override(IERC721A, ERC721A)
        onlyAllowedOperatorApproval(operator)
    {
        super.approve(operator, tokenId);
    }

    function transferFrom(address from, address to, uint256 tokenId)
        public
        payable
        override(IERC721A, ERC721A)
        onlyAllowedOperator(from)
    {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(address from, address to, uint256 tokenId)
        public
        payable
        override(IERC721A, ERC721A)
        onlyAllowedOperator(from)
    {
        super.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data)
        public
        payable
        override(IERC721A, ERC721A)
        onlyAllowedOperator(from)
    {
        super.safeTransferFrom(from, to, tokenId, data);
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(IERC721A, ERC721A, ERC2981)
        returns (bool)
    {
        // Supports the following `interfaceId`s:
        // - IERC165: 0x01ffc9a7
        // - IERC721: 0x80ac58cd
        // - IERC721Metadata: 0x5b5e139f
        // - IERC2981: 0x2a55205a
        return ERC721A.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId);
    }

    // ==========================
    // ========= WITHDRAW ========
    // ==========================
    function withdraw() external onlyOwner {
        address receiver = address(0x2405679aC65DB5C8FF938aFb590631304d920baD);
        assembly {
            if iszero(call(gas(), receiver, balance(address()), 0x0, 0x0, 0x0, 0x0)) { revert(0x0, 0x0) }
        }
    }

    function _revert(bytes4 selector) internal pure {
        assembly {
            mstore(0x0, selector)
            revert(0x0, 0x4)
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Optimized and flexible operator filterer to abide to OpenSea's
/// mandatory on-chain royalty enforcement in order for new collections to
/// receive royalties.
/// For more information, see:
/// See: https://github.com/ProjectOpenSea/operator-filter-registry
abstract contract OperatorFilterer {
    /// @dev The default OpenSea operator blocklist subscription.
    address internal constant _DEFAULT_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;

    /// @dev The OpenSea operator filter registry.
    address internal constant _OPERATOR_FILTER_REGISTRY = 0x000000000000AAeB6D7670E522A718067333cd4E;

    /// @dev Registers the current contract to OpenSea's operator filter,
    /// and subscribe to the default OpenSea operator blocklist.
    /// Note: Will not revert nor update existing settings for repeated registration.
    function _registerForOperatorFiltering() internal virtual {
        _registerForOperatorFiltering(_DEFAULT_SUBSCRIPTION, true);
    }

    /// @dev Registers the current contract to OpenSea's operator filter.
    /// Note: Will not revert nor update existing settings for repeated registration.
    function _registerForOperatorFiltering(address subscriptionOrRegistrantToCopy, bool subscribe)
        internal
        virtual
    {
        /// @solidity memory-safe-assembly
        assembly {
            let functionSelector := 0x7d3e3dbe // `registerAndSubscribe(address,address)`.

            // Clean the upper 96 bits of `subscriptionOrRegistrantToCopy` in case they are dirty.
            subscriptionOrRegistrantToCopy := shr(96, shl(96, subscriptionOrRegistrantToCopy))

            for {} iszero(subscribe) {} {
                if iszero(subscriptionOrRegistrantToCopy) {
                    functionSelector := 0x4420e486 // `register(address)`.
                    break
                }
                functionSelector := 0xa0af2903 // `registerAndCopyEntries(address,address)`.
                break
            }
            // Store the function selector.
            mstore(0x00, shl(224, functionSelector))
            // Store the `address(this)`.
            mstore(0x04, address())
            // Store the `subscriptionOrRegistrantToCopy`.
            mstore(0x24, subscriptionOrRegistrantToCopy)
            // Register into the registry.
            if iszero(call(gas(), _OPERATOR_FILTER_REGISTRY, 0, 0x00, 0x44, 0x00, 0x04)) {
                // If the function selector has not been overwritten,
                // it is an out-of-gas error.
                if eq(shr(224, mload(0x00)), functionSelector) {
                    // To prevent gas under-estimation.
                    revert(0, 0)
                }
            }
            // Restore the part of the free memory pointer that was overwritten,
            // which is guaranteed to be zero, because of Solidity's memory size limits.
            mstore(0x24, 0)
        }
    }

    /// @dev Modifier to guard a function and revert if the caller is a blocked operator.
    modifier onlyAllowedOperator(address from) virtual {
        if (from != msg.sender) {
            if (!_isPriorityOperator(msg.sender)) {
                if (_operatorFilteringEnabled()) _revertIfBlocked(msg.sender);
            }
        }
        _;
    }

    /// @dev Modifier to guard a function from approving a blocked operator..
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        if (!_isPriorityOperator(operator)) {
            if (_operatorFilteringEnabled()) _revertIfBlocked(operator);
        }
        _;
    }

    /// @dev Helper function that reverts if the `operator` is blocked by the registry.
    function _revertIfBlocked(address operator) private view {
        /// @solidity memory-safe-assembly
        assembly {
            // Store the function selector of `isOperatorAllowed(address,address)`,
            // shifted left by 6 bytes, which is enough for 8tb of memory.
            // We waste 6-3 = 3 bytes to save on 6 runtime gas (PUSH1 0x224 SHL).
            mstore(0x00, 0xc6171134001122334455)
            // Store the `address(this)`.
            mstore(0x1a, address())
            // Store the `operator`.
            mstore(0x3a, operator)

            // `isOperatorAllowed` always returns true if it does not revert.
            if iszero(staticcall(gas(), _OPERATOR_FILTER_REGISTRY, 0x16, 0x44, 0x00, 0x00)) {
                // Bubble up the revert if the staticcall reverts.
                returndatacopy(0x00, 0x00, returndatasize())
                revert(0x00, returndatasize())
            }

            // We'll skip checking if `from` is inside the blacklist.
            // Even though that can block transferring out of wrapper contracts,
            // we don't want tokens to be stuck.

            // Restore the part of the free memory pointer that was overwritten,
            // which is guaranteed to be zero, if less than 8tb of memory is used.
            mstore(0x3a, 0)
        }
    }

    /// @dev For deriving contracts to override, so that operator filtering
    /// can be turned on / off.
    /// Returns true by default.
    function _operatorFilteringEnabled() internal view virtual returns (bool) {
        return true;
    }

    /// @dev For deriving contracts to override, so that preferred marketplaces can
    /// skip operator filtering, helping users save gas.
    /// Returns false for all inputs by default.
    function _isPriorityOperator(address) internal view virtual returns (bool) {
        return false;
    }
}

// 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
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721AQueryable.sol';
import '../ERC721A.sol';

/**
 * @title ERC721AQueryable.
 *
 * @dev ERC721A subclass with convenience query functions.
 */
abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable {
    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) {
        TokenOwnership memory ownership;
        if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) {
            return ownership;
        }
        ownership = _ownershipAt(tokenId);
        if (ownership.burned) {
            return ownership;
        }
        return _ownershipOf(tokenId);
    }

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] calldata tokenIds)
        external
        view
        virtual
        override
        returns (TokenOwnership[] memory)
    {
        unchecked {
            uint256 tokenIdsLength = tokenIds.length;
            TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength);
            for (uint256 i; i != tokenIdsLength; ++i) {
                ownerships[i] = explicitOwnershipOf(tokenIds[i]);
            }
            return ownerships;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view virtual override returns (uint256[] memory) {
        unchecked {
            if (start >= stop) revert InvalidQueryRange();
            uint256 tokenIdsIdx;
            uint256 stopLimit = _nextTokenId();
            // Set `start = max(start, _startTokenId())`.
            if (start < _startTokenId()) {
                start = _startTokenId();
            }
            // Set `stop = min(stop, stopLimit)`.
            if (stop > stopLimit) {
                stop = stopLimit;
            }
            uint256 tokenIdsMaxLength = balanceOf(owner);
            // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
            // to cater for cases where `balanceOf(owner)` is too big.
            if (start < stop) {
                uint256 rangeLength = stop - start;
                if (rangeLength < tokenIdsMaxLength) {
                    tokenIdsMaxLength = rangeLength;
                }
            } else {
                tokenIdsMaxLength = 0;
            }
            uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength);
            if (tokenIdsMaxLength == 0) {
                return tokenIds;
            }
            // We need to call `explicitOwnershipOf(start)`,
            // because the slot at `start` may not be initialized.
            TokenOwnership memory ownership = explicitOwnershipOf(start);
            address currOwnershipAddr;
            // If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`.
            // `ownership.address` will not be zero, as `start` is clamped to the valid token ID range.
            if (!ownership.burned) {
                currOwnershipAddr = ownership.addr;
            }
            for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            // Downsize the array to fit.
            assembly {
                mstore(tokenIds, tokenIdsIdx)
            }
            return tokenIds;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) {
        unchecked {
            uint256 tokenIdsIdx;
            address currOwnershipAddr;
            uint256 tokenIdsLength = balanceOf(owner);
            uint256[] memory tokenIds = new uint256[](tokenIdsLength);
            TokenOwnership memory ownership;
            for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            return tokenIds;
        }
    }
}

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

pragma solidity ^0.8.4;

import '../IERC721A.sol';

/**
 * @dev Interface of ERC721AQueryable.
 */
interface IERC721AQueryable is IERC721A {
    /**
     * Invalid query range (`start` >= `stop`).
     */
    error InvalidQueryRange();

    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory);

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view returns (uint256[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view returns (uint256[] memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 v4.6.0) (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 v4.7.0) (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 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 v4.8.0) (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 v4.8.0) (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 v4.8.0) (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);
        }
    }
}

{
  "remappings": [
    "@/=src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "closedsea/=lib/closedsea/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "erc721a-upgradeable/=lib/closedsea/lib/erc721a-upgradeable/contracts/",
    "erc721a/=lib/erc721a/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/closedsea/lib/openzeppelin-contracts-upgradeable/contracts/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "operator-filter-registry/=lib/closedsea/lib/operator-filter-registry/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","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"},{"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":"amount","type":"uint256"}],"name":"Prepurchase","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"},{"inputs":[],"name":"activePhase","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"activePhaseInfo","outputs":[{"components":[{"internalType":"bool","name":"whitelistActive","type":"bool"},{"internalType":"bool","name":"publicActive","type":"bool"},{"internalType":"uint240","name":"maxSupply","type":"uint240"}],"internalType":"struct ArkpiaPass.Phase","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"recipients","type":"address[]"}],"name":"airdropPrepurchasers","outputs":[],"stateMutability":"nonpayable","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":"baseURI","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[5]","name":"tokenIds","type":"uint256[5]"}],"name":"burn5","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"burnEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"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":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"isSpecialId","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTotalMints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"numberMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operatorFilteringEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"phases","outputs":[{"internalType":"bool","name":"whitelistActive","type":"bool"},{"internalType":"bool","name":"publicActive","type":"bool"},{"internalType":"uint240","name":"maxSupply","type":"uint240"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prePurchaseActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prePurchaseCounter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"prePurchases","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseExtension","type":"string"}],"name":"setBaseExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_burnEnabled","type":"bool"}],"name":"setBurnEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"goldenURI","type":"string"}],"name":"setGoldenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxTotalMints","type":"uint256"}],"name":"setMaxTotalMints","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"setOperatorFilteringEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"phase","type":"uint256"},{"internalType":"bool","name":"whitelistActive","type":"bool"},{"internalType":"bool","name":"publicActive","type":"bool"}],"name":"setPhase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"phase","type":"uint256"},{"internalType":"bool","name":"whitelistActive","type":"bool"},{"internalType":"bool","name":"publicActive","type":"bool"},{"internalType":"uint240","name":"maxSupply","type":"uint240"}],"name":"setPhaseEmergency","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_prePurchaseActive","type":"bool"}],"name":"setPrepurchaseStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setPrice","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":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"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":"amount","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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