Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _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 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 v4.5.0) (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
    }

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

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        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.
            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 if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

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

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

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

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

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

        return (signer, RecoverError.NoError);
    }

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

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

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\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) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Trees proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merklee tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];
            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = _efficientHash(computedHash, proofElement);
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = _efficientHash(proofElement, computedHash);
            }
        }
        return computedHash;
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// 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.selector);
        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.selector);

        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 Returns whether the ownership slot at `index` is initialized.
     * An uninitialized slot does not necessarily mean that the slot has no owner.
     */
    function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) {
        return _packedOwnerships[index] != 0;
    }

    /**
     * @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 packed) {
        if (_startTokenId() <= tokenId) {
            packed = _packedOwnerships[tokenId];
            // If the data at the starting slot does not exist, start the scan.
            if (packed == 0) {
                if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector);
                // 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, `tokenId` will not underflow.
                //
                // We can directly compare the packed value.
                // If the address is zero, packed will be zero.
                for (;;) {
                    unchecked {
                        packed = _packedOwnerships[--tokenId];
                    }
                    if (packed == 0) continue;
                    if (packed & _BITMASK_BURNED == 0) return packed;
                    // Otherwise, the token is burned, and we must revert.
                    // This handles the case of batch burned tokens, where only the burned bit
                    // of the starting slot is set, and remaining slots are left uninitialized.
                    _revert(OwnerQueryForNonexistentToken.selector);
                }
            }
            // Otherwise, the data exists and we can skip the scan.
            // This is possible because we have already achieved the target condition.
            // This saves 2143 gas on transfers of initialized tokens.
            // If the token is not burned, return `packed`. Otherwise, revert.
            if (packed & _BITMASK_BURNED == 0) return packed;
        }
        _revert(OwnerQueryForNonexistentToken.selector);
    }

    /**
     * @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. See {ERC721A-_approve}.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        _approve(to, tokenId, true);
    }

    /**
     * @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.selector);

        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 result) {
        if (_startTokenId() <= tokenId) {
            if (tokenId < _currentIndex) {
                uint256 packed;
                while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId;
                result = packed & _BITMASK_BURNED == 0;
            }
        }
    }

    /**
     * @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);

        // Mask `from` to the lower 160 bits, in case the upper bits somehow aren't clean.
        from = address(uint160(uint256(uint160(from)) & _BITMASK_ADDRESS));

        if (address(uint160(prevOwnershipPacked)) != from) _revert(TransferFromIncorrectOwner.selector);

        (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.selector);

        _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;
                    }
                }
            }
        }

        // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
        uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;
        assembly {
            // 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.
                from, // `from`.
                toMasked, // `to`.
                tokenId // `tokenId`.
            )
        }
        if (toMasked == 0) _revert(TransferToZeroAddress.selector);

        _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.selector);
            }
    }

    /**
     * @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.selector);
            }
            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.selector);

        _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:
            // - `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)
            );

            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
            uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;

            if (toMasked == 0) _revert(MintToZeroAddress.selector);

            uint256 end = startTokenId + quantity;
            uint256 tokenId = startTokenId;

            do {
                assembly {
                    // 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`.
                        tokenId // `tokenId`.
                    )
                }
                // The `!=` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
            } while (++tokenId != end);

            _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.selector);
        if (quantity == 0) _revert(MintZeroQuantity.selector);
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector);

        _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.selector);
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) _revert(bytes4(0));
            }
        }
    }

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

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

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

    /**
     * @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:
     *
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        bool approvalCheck
    ) internal virtual {
        address owner = ownerOf(tokenId);

        if (approvalCheck && _msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                _revert(ApprovalCallerNotOwnerNorApproved.selector);
            }

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

    // =============================================================
    //                        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.selector);
        }

        _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.selector);
        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)
        }
    }

    /**
     * @dev For more efficient reverts.
     */
    function _revert(bytes4 errorSelector) internal pure {
        assembly {
            mstore(0x00, errorSelector)
            revert(0x00, 0x04)
        }
    }
}

// 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 ownership)
    {
        unchecked {
            if (tokenId >= _startTokenId()) {
                if (tokenId < _nextTokenId()) {
                    // If the `tokenId` is within bounds,
                    // scan backwards for the initialized ownership slot.
                    while (!_ownershipIsInitialized(tokenId)) --tokenId;
                    return _ownershipAt(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)
    {
        TokenOwnership[] memory ownerships;
        uint256 i = tokenIds.length;
        assembly {
            // Grab the free memory pointer.
            ownerships := mload(0x40)
            // Store the length.
            mstore(ownerships, i)
            // Allocate one word for the length,
            // `tokenIds.length` words for the pointers.
            i := shl(5, i) // Multiply `i` by 32.
            mstore(0x40, add(add(ownerships, 0x20), i))
        }
        while (i != 0) {
            uint256 tokenId;
            assembly {
                i := sub(i, 0x20)
                tokenId := calldataload(add(tokenIds.offset, i))
            }
            TokenOwnership memory ownership = explicitOwnershipOf(tokenId);
            assembly {
                // Store the pointer of `ownership` in the `ownerships` array.
                mstore(add(add(ownerships, 0x20), i), ownership)
            }
        }
        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) {
        return _tokensOfOwnerIn(owner, start, stop);
    }

    /**
     * @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) {
        uint256 start = _startTokenId();
        uint256 stop = _nextTokenId();
        uint256[] memory tokenIds;
        if (start != stop) tokenIds = _tokensOfOwnerIn(owner, start, stop);
        return tokenIds;
    }

    /**
     * @dev Helper function for returning an array of token IDs owned by `owner`.
     *
     * Note that this function is optimized for smaller bytecode size over runtime gas,
     * since it is meant to be called off-chain.
     */
    function _tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) private view returns (uint256[] memory) {
        unchecked {
            if (start >= stop) _revert(InvalidQueryRange.selector);
            // Set `start = max(start, _startTokenId())`.
            if (start < _startTokenId()) {
                start = _startTokenId();
            }
            uint256 stopLimit = _nextTokenId();
            // Set `stop = min(stop, stopLimit)`.
            if (stop >= stopLimit) {
                stop = stopLimit;
            }
            uint256[] memory tokenIds;
            uint256 tokenIdsMaxLength = balanceOf(owner);
            bool startLtStop = start < stop;
            assembly {
                // Set `tokenIdsMaxLength` to zero if `start` is less than `stop`.
                tokenIdsMaxLength := mul(tokenIdsMaxLength, startLtStop)
            }
            if (tokenIdsMaxLength != 0) {
                // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
                // to cater for cases where `balanceOf(owner)` is too big.
                if (stop - start <= tokenIdsMaxLength) {
                    tokenIdsMaxLength = stop - start;
                }
                assembly {
                    // Grab the free memory pointer.
                    tokenIds := mload(0x40)
                    // Allocate one word for the length, and `tokenIdsMaxLength` words
                    // for the data. `shl(5, x)` is equivalent to `mul(32, x)`.
                    mstore(0x40, add(tokenIds, shl(5, add(tokenIdsMaxLength, 1))))
                }
                // 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;
                }
                uint256 tokenIdsIdx;
                // Use a do-while, which is slightly more efficient for this case,
                // as the array will at least contain one element.
                do {
                    ownership = _ownershipAt(start);
                    assembly {
                        switch mload(add(ownership, 0x40))
                        // if `ownership.burned == false`.
                        case 0 {
                            // if `ownership.addr != address(0)`.
                            // The `addr` already has it's upper 96 bits clearned,
                            // since it is written to memory with regular Solidity.
                            if mload(ownership) {
                                currOwnershipAddr := mload(ownership)
                            }
                            // if `currOwnershipAddr == owner`.
                            // The `shl(96, x)` is to make the comparison agnostic to any
                            // dirty upper 96 bits in `owner`.
                            if iszero(shl(96, xor(currOwnershipAddr, owner))) {
                                tokenIdsIdx := add(tokenIdsIdx, 1)
                                mstore(add(tokenIds, shl(5, tokenIdsIdx)), start)
                            }
                        }
                        // Otherwise, reset `currOwnershipAddr`.
                        // This handles the case of batch burned tokens
                        // (burned bit of first slot set, remaining slots left uninitialized).
                        default {
                            currOwnershipAddr := 0
                        }
                        start := add(start, 1)
                    }
                } while (!(start == stop || tokenIdsIdx == tokenIdsMaxLength));
                // Store the length of the array.
                assembly {
                    mstore(tokenIds, tokenIdsIdx)
                }
            }
            return tokenIds;
        }
    }
}

// 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 './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
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);
    function register(address registrant) external;
    function registerAndSubscribe(address registrant, address subscription) external;
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;
    function updateOperator(address registrant, address operator, bool filtered) external;
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
    function subscribe(address registrant, address registrantToSubscribe) external;
    function unsubscribe(address registrant, bool copyExistingEntries) external;
    function subscriptionOf(address addr) external returns (address registrant);
    function subscribers(address registrant) external returns (address[] memory);
    function subscriberAt(address registrant, uint256 index) external returns (address);
    function copyEntriesOf(address registrant, address registrantToCopy) external;
    function isOperatorFiltered(address registrant, address operator) external returns (bool);
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
    function filteredOperators(address addr) external returns (address[] memory);
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
    function isRegistered(address addr) external returns (bool);
    function codeHashOf(address addr) external returns (bytes32);
}

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

import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";

abstract contract OperatorFilterer {
    error OperatorNotAllowed(address operator);

    IOperatorFilterRegistry constant operatorFilterRegistry =
        IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);

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

    modifier onlyAllowedOperator(address from) virtual {
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(operatorFilterRegistry).code.length > 0) {
            // Allow spending tokens from addresses with balance
            // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
            // from an EOA.
            if (from == msg.sender) {
                _;
                return;
            }
            if (
                !(
                    operatorFilterRegistry.isOperatorAllowed(address(this), msg.sender)
                        && operatorFilterRegistry.isOperatorAllowed(address(this), from)
                )
            ) {
                revert OperatorNotAllowed(msg.sender);
            }
        }
        _;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "./ERC721AQueryable.sol";
import "./operator-filter-registry/OperatorFilterer.sol";


contract Vehicls is ERC721AQueryable, Ownable, OperatorFilterer{
    uint16 public MAX_SUPPLY = 5776;

    bool public isFreeMintActive = false;

    bool _revealed = false;

    string private baseURI = "";

    bytes32 freemintRoot;

    struct UserPurchaseInfo {
        uint16 freeMinted;
    }

    mapping(address => UserPurchaseInfo) public userPurchase; 

    address signer;
    mapping(bytes32 => bool) public usedDigests;

    constructor() ERC721A("Vehicls", "Vehicls") OperatorFilterer(address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6), false) {}
    modifier isSecured(uint16 mintType) {
        require(tx.origin == msg.sender, "CONTRACTS_NOT_ALLOWED_TO_MINT");
        if (mintType == 3) {
            require(isFreeMintActive, "FREE_MINT_IS_NOT_YET_ACTIVE");
        }
        _;
    }

    modifier supplyMintLimit(uint16 numberOfTokens) {
        require(
            numberOfTokens + totalSupply() <= MAX_SUPPLY,
            "NOT_ENOUGH_SUPPLY"
        );
        _;
    }

    function freeMint(
        bytes32[] memory proof,
        uint16 numberOfTokens,
        uint16 maxMint
    ) external isSecured(3) supplyMintLimit(numberOfTokens) {
        bytes32 leaf = keccak256(abi.encodePacked(msg.sender, maxMint));
        require(MerkleProof.verify(proof, freemintRoot, leaf), "PROOF_INVALID");
        require(
            userPurchase[msg.sender].freeMinted + numberOfTokens <= maxMint,
            "EXCEED_ALLOCATED_MINT_LIMIT"
        );
        userPurchase[msg.sender].freeMinted += numberOfTokens;
            _mint(msg.sender, numberOfTokens);
    }

    function devMint(address[] memory _addresses, uint16[] memory quantities)
        external
        onlyOwner
    {
        require(_addresses.length == quantities.length, "WRONG_PARAMETERS");
        uint16 totalTokens = 0;
        for (uint16 i = 0; i < quantities.length; i++) {
            totalTokens += quantities[i];
        }
        require(totalTokens + totalSupply() <= MAX_SUPPLY, "NOT_ENOUGH_SUPPLY");
        for (uint16 i = 0; i < _addresses.length; i++) {
            _safeMint(_addresses[i], quantities[i]);
        }
    }

    //Essential
    function setBaseURI(string calldata URI) external onlyOwner {
        baseURI = URI;
    }

    function reveal(bool revealed, string calldata _baseURI) public onlyOwner {
        _revealed = revealed;
        baseURI = _baseURI;
    }

    //Essential

    function setFreeMintStatus() external onlyOwner {
        isFreeMintActive = !isFreeMintActive;
    }

    //Essential

    function tokenURI(uint256 tokenId)
        public
        view
        virtual
        override(ERC721A, IERC721A)
        returns (string memory)
    {
        if (_revealed) {
            return string(abi.encodePacked(baseURI, Strings.toString(tokenId)));
        } else {
            return string(abi.encodePacked(baseURI));
        }
    }

    function numberMinted(address owner) public view returns (uint256) {
        return _numberMinted(owner);
    }

    function setFreeMintRoot(bytes32 _freemintRoot) external onlyOwner {
        freemintRoot = _freemintRoot;
    }



    function decreaseSupply(uint16 _maxSupply) external onlyOwner {
        require(_maxSupply < MAX_SUPPLY, "CANT_INCREASE_SUPPLY");
        MAX_SUPPLY = _maxSupply;
    }

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

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

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

}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "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":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","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":"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":"MAX_SUPPLY","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","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":[{"internalType":"uint16","name":"_maxSupply","type":"uint16"}],"name":"decreaseSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"uint16[]","name":"quantities","type":"uint16[]"}],"name":"devMint","outputs":[],"stateMutability":"nonpayable","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":"ownership","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":"bytes32[]","name":"proof","type":"bytes32[]"},{"internalType":"uint16","name":"numberOfTokens","type":"uint16"},{"internalType":"uint16","name":"maxMint","type":"uint16"}],"name":"freeMint","outputs":[],"stateMutability":"nonpayable","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":[],"name":"isFreeMintActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"numberMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"revealed","type":"bool"},{"internalType":"string","name":"_baseURI","type":"string"}],"name":"reveal","outputs":[],"stateMutability":"nonpayable","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":"URI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_freemintRoot","type":"bytes32"}],"name":"setFreeMintRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setFreeMintStatus","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":"bytes32","name":"","type":"bytes32"}],"name":"usedDigests","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userPurchase","outputs":[{"internalType":"uint16","name":"freeMinted","type":"uint16"}],"stateMutability":"view","type":"function"}]

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