Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "./ILXDAOBuidlerMetadata.sol";
import "erc721a/contracts/ERC721A.sol";
import "erc721a/contracts/extensions/ERC721AQueryable.sol";

contract LXDAOBuidler is Ownable, ERC721AQueryable {
    using ECDSA for bytes32;
    using Address for address;
    using Strings for uint256;

    enum Status {
        // the status of ready to mint.
        Pending,
        // the status of after buidler minted.
        Active,
        // the status set by community for security.
        // can be active again.
        Suspended,
        // the status set by community or buidler reason for buidler quit.
        // can be active again.
        Archived
    }

    address private signer;
    address private metadataAddress;
    mapping(uint256 => Status) public buidlerStatuses;

    event SignerChanged();
    event MetadataAddressChanged();
    event Minted(address minter, uint256 tokenId);
    event StatusChanged(Status status);

    constructor(address _signer, address _metadataAddress)
        ERC721A("LXDAOBuidler", "LXB")
    {
        require(
            _signer != address(0),
            "LXDAOBuidler: The signer cannot be initialized zero."
        );
        signer = _signer;
        metadataAddress = _metadataAddress;
    }

    modifier _checkMetadataAddress() {
        require(
            metadataAddress != address(0),
            "LXDAOBuidler: metadata address is zero."
        );
        _;
    }

    function _hashBatch(address[] memory owners, bytes[] calldata metadataURIs)
        internal
        pure
        returns (bytes32)
    {
        return keccak256(abi.encode(owners, metadataURIs));
    }

    function _hashBytes(bytes calldata ipfsHash, address from)
        internal
        pure
        returns (bytes32)
    {
        return keccak256(abi.encode(ipfsHash, from));
    }

    function _hashAddress(address sender) internal pure returns (bytes32) {
        return keccak256(abi.encode(sender));
    }

    function _verify(bytes32 hash, bytes memory token)
        internal
        view
        returns (bool)
    {
        return (_recover(hash, token) == signer);
    }

    function _recover(bytes32 hash, bytes memory token)
        internal
        pure
        returns (address)
    {
        return hash.toEthSignedMessageHash().recover(token);
    }

    function setSigner(address _signer) external onlyOwner {
        signer = _signer;
        emit SignerChanged();
    }

    function getSigner() external view onlyOwner returns (address) {
        return signer;
    }

    function setMetadataAddress(address _metadataAddress) external onlyOwner {
        metadataAddress = _metadataAddress;
        emit MetadataAddressChanged();
    }

    function getMetadataAddress() external view onlyOwner returns (address) {
        return metadataAddress;
    }

    function mint(bytes calldata metadataURI, bytes calldata signature)
        external
    {
        require(
            balanceOf(_msgSender()) == 0,
            "LXDAOBuidler: The buidler has already minted."
        );

        require(
            _verify(_hashBytes(metadataURI, _msgSender()), signature),
            "LXDAOBuidler: Invalid signature."
        );

        uint256 tokenId = _nextTokenId();
        _safeMint(_msgSender(), 1);
        buidlerStatuses[tokenId] = Status.Active;
        ILXDAOBuidlerMetadata(metadataAddress).create(tokenId, metadataURI);

        emit Minted(_msgSender(), tokenId);
    }

    function updateMetadata(
        uint256 tokenId,
        bytes calldata metadataURI,
        bytes calldata signature
    ) external {
        if (_msgSender() == owner()) {
            _updateMetadata(tokenId, metadataURI, signature);
        } else {
            require(
                ownerOf(tokenId) == _msgSender(),
                "LXDAOBuidler: Only owner can update metadata."
            );
            _updateMetadata(tokenId, metadataURI, signature);
        }
    }

    function _updateMetadata(
        uint256 tokenId,
        bytes calldata metadataURI,
        bytes calldata signature
    ) private _checkMetadataAddress {
        require(
            buidlerStatuses[tokenId] == Status.Active,
            "LXDAOBuidler: The token is not activating now."
        );
        require(
            _verify(_hashBytes(metadataURI, ownerOf(tokenId)), signature),
            "LXDAOBuidler: Invalid signature."
        );

        ILXDAOBuidlerMetadata(metadataAddress).update(tokenId, metadataURI);
    }

    function batchUpdateMetadata(
        uint256[] calldata tokenIds,
        bytes[] calldata metadataURIs,
        bytes calldata signature
    ) external onlyOwner {
        require(
            tokenIds.length == metadataURIs.length,
            "LXDAOBuidler: the length of owners is not equal to the length of metadataURIs."
        );

        address[] memory owners = new address[](tokenIds.length);
        for (uint256 i = 0; i < tokenIds.length; i++) {
            uint256 tokenId = tokenIds[i];
            owners[i] = ownerOf(tokenId);

            require(
                buidlerStatuses[tokenId] == Status.Active,
                "LXDAOBuidler: The token is not activating now."
            );
        }

        require(
            _verify(_hashBatch(owners, metadataURIs), signature),
            "LXDAOBuidler: Invalid signature."
        );

        ILXDAOBuidlerMetadata(metadataAddress).batchUpdate(
            tokenIds,
            metadataURIs
        );
    }

    function activate(uint256 tokenId) external onlyOwner {
        require(
            buidlerStatuses[tokenId] == Status.Suspended ||
                buidlerStatuses[tokenId] == Status.Archived,
            "LXDAOBuidler: The buidler is not suspended or archived now."
        );

        buidlerStatuses[tokenId] = Status.Active;
        emit StatusChanged(Status.Active);
    }

    function suspend(uint256 tokenId) external onlyOwner {
        require(
            buidlerStatuses[tokenId] == Status.Active,
            "LXDAOBuidler: The buidler is not activating now."
        );

        buidlerStatuses[tokenId] = Status.Suspended;
        emit StatusChanged(Status.Suspended);
    }

    function archive(uint256 tokenId) external {
        if (_msgSender() == owner()) {
            _archive(tokenId);
        } else {
            require(
                ownerOf(tokenId) == _msgSender(),
                "LXDAOBuidler: Only owner can archive."
            );
            _archive(tokenId);
        }
    }

    function _archive(uint256 tokenId) private {
        require(
            buidlerStatuses[tokenId] == Status.Active,
            "LXDAOBuidler: The buidler is not activating now."
        );

        buidlerStatuses[tokenId] = Status.Archived;
        emit StatusChanged(Status.Archived);
    }

    function approve(address, uint256) public pure override(ERC721A) {
        require(false, "LXDAOBuidler: Cannot approve.");
    }

    function setApprovalForAll(address, bool) public pure override(ERC721A) {
        require(false, "LXDAOBuidler: Cannot setApprovalForAll.");
    }

    function isApprovedForAll(address owner, address operator)
        public
        view
        override
        returns (bool)
    {
        if (_msgSender() == super.owner()) {
            return true;
        }
        return super.isApprovedForAll(owner, operator);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public override(ERC721A) onlyOwner {
        safeTransferFrom(from, to, tokenId, bytes(""));
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public override(ERC721A) onlyOwner {
        _transferToken(from, to, tokenId, _data);
    }

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public override(ERC721A) onlyOwner {
        _transferToken(from, to, tokenId, bytes(""));
    }

    function _transferToken(
        address from,
        address to,
        uint256 tokenId,
        bytes memory
    ) private {
        require(
            ownerOf(tokenId) == from,
            "LXDAOBuidler: `from` address has no token."
        );
        require(
            balanceOf(to) == 0,
            "LXDAOBuidler: `to` address already has token."
        );
        require(
            buidlerStatuses[tokenId] == Status.Suspended,
            "LXDAOBuidler: The Active or archived token cannot be transfer."
        );

        super.transferFrom(from, to, tokenId);
    }

    function tokenURI(uint256 tokenId)
        public
        view
        override(ERC721A)
        returns (string memory)
    {
        if (!_exists(tokenId)) {
            return "";
        }

        return ILXDAOBuidlerMetadata(metadataAddress).tokenURI(tokenId);
    }

    function tokenIdOfOwner(address owner) public view returns (uint256) {
        require(
            balanceOf(owner) > 0,
            "LXDAOBuidler: `from` address has no token."
        );
        uint256[] memory tokens = this.tokensOfOwner(owner);
        return tokens[0];
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface ILXDAOBuidlerMetadata {
    function create(uint256 tokenId, bytes calldata metadataURI) external;

    function update(uint256 tokenId, bytes calldata metadataURI) external;

    function batchUpdate(
        uint256[] calldata tokenIds,
        bytes[] calldata metadataURIs
    ) external;

    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions 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 (last updated v4.7.3) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

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

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

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

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

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

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

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

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

        return (signer, RecoverError.NoError);
    }

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

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\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
// ERC721A Contracts v4.2.2
// Creator: Chiru Labs

pragma solidity ^0.8.4;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.2
// 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 {
    // Reference type for token approval.
    struct TokenApprovalRef {
        address value;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (operator == _msgSenderERC721A()) revert ApproveToCaller();

        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

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

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public 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 virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit),
            // but we allocate 0x80 bytes to keep the free memory pointer 32-byte word aliged.
            // We will need 1 32-byte word to store the length,
            // and 3 32-byte words to store a maximum of 78 digits. Total: 0x20 + 3 * 0x20 = 0x80.
            str := add(mload(0x40), 0x80)
            // Update the free memory pointer to allocate.
            mstore(0x40, str)

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.2
// 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
// ERC721A Contracts v4.2.2
// 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();

    /**
     * The caller cannot approve to their own address.
     */
    error ApproveToCaller();

    /**
     * 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;

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

    /**
     * @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;

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

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

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

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

    // =============================================================
    //                        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);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_signer","type":"address"},{"internalType":"address","name":"_metadataAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[],"name":"MetadataAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Minted","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":[],"name":"SignerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum LXDAOBuidler.Status","name":"status","type":"uint8"}],"name":"StatusChanged","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":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"activate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"archive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"bytes[]","name":"metadataURIs","type":"bytes[]"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"batchUpdateMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"buidlerStatuses","outputs":[{"internalType":"enum LXDAOBuidler.Status","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMetadataAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSigner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"metadataURI","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"bool","name":"","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"_metadataAddress","type":"address"}],"name":"setMetadataAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"setSigner","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":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"suspend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokenIdOfOwner","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"metadataURI","type":"bytes"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"updateMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60806040523480156200001157600080fd5b50604051620035033803806200350383398101604081905262000034916200028c565b6040518060400160405280600c81526020016b262c2220a7a13ab4b23632b960a11b81525060405180604001604052806003815260200162262c2160e91b8152506200008f620000896200017560201b60201c565b62000179565b8151620000a4906003906020850190620001c9565b508051620000ba906004906020840190620001c9565b50600060015550506001600160a01b038216620001435760405162461bcd60e51b815260206004820152603460248201527f4c5844414f427569646c65723a20546865207369676e65722063616e6e6f742060448201527f626520696e697469616c697a6564207a65726f2e000000000000000000000000606482015260840160405180910390fd5b600980546001600160a01b039384166001600160a01b031991821617909155600a805492909316911617905562000301565b3390565b600080546001600160a01b038381166001600160a01b0319831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b828054620001d790620002c4565b90600052602060002090601f016020900481019282620001fb576000855562000246565b82601f106200021657805160ff191683800117855562000246565b8280016001018555821562000246579182015b828111156200024657825182559160200191906001019062000229565b506200025492915062000258565b5090565b5b8082111562000254576000815560010162000259565b80516001600160a01b03811681146200028757600080fd5b919050565b60008060408385031215620002a057600080fd5b620002ab836200026f565b9150620002bb602084016200026f565b90509250929050565b600181811c90821680620002d957607f821691505b60208210811415620002fb57634e487b7160e01b600052602260045260246000fd5b50919050565b6131f280620003116000396000f3fe608060405234801561001057600080fd5b506004361061020b5760003560e01c8063715018a61161012a578063a22cb465116100bd578063c87b56dd1161008c578063e17b25af11610071578063e17b25af14610494578063e985e9c5146104a7578063f2fde38b146104ba57600080fd5b8063c87b56dd1461046e578063da87741b1461048157600080fd5b8063a22cb46514610415578063b260c42a14610428578063b88d4fde1461043b578063c23dc68f1461044e57600080fd5b806393c829fc116100f957806393c829fc146103b757806395d89b41146103ca57806396f6e987146103d257806399a2557a1461040257600080fd5b8063715018a6146103765780637ac3c02f1461037e5780638462151c146103865780638da5cb5b146103a657600080fd5b80634b865846116101a2578063651e71c311610171578063651e71c31461032a5780636bc638931461033d5780636c19e7831461035057806370a082311461036357600080fd5b80634b865846146102d15780634c3f9fe1146102e45780635bbb2177146102f75780636352211e1461031757600080fd5b806318160ddd116101de57806318160ddd1461028d57806323b872dd146102a357806342842e0e146102b6578063434692b5146102c957600080fd5b806301ffc9a71461021057806306fdde0314610238578063081812fc1461024d578063095ea7b314610278575b600080fd5b61022361021e366004612787565b6104cd565b60405190151581526020015b60405180910390f35b61024061056a565b60405161022f91906127fc565b61026061025b36600461280f565b6105fc565b6040516001600160a01b03909116815260200161022f565b61028b610286366004612844565b610659565b005b600254600154035b60405190815260200161022f565b61028b6102b136600461286e565b6106aa565b61028b6102c436600461286e565b6106d2565b6102606106f5565b61028b6102df36600461280f565b61070f565b61028b6102f23660046128ec565b610805565b61030a6103053660046129ab565b6108c4565b60405161022f91906129ed565b61026061032536600461280f565b610990565b61028b610338366004612a6a565b61099b565b61028b61034b366004612b04565b610cac565b61028b61035e366004612b70565b610ec4565b610295610371366004612b70565b610f1f565b61028b610f87565b610260610f9b565b610399610394366004612b70565b610fb5565b60405161022f9190612b8b565b6000546001600160a01b0316610260565b61028b6103c536600461280f565b6110bd565b61024061116b565b6103f56103e036600461280f565b600b6020526000908152604090205460ff1681565b60405161022f9190612bd9565b610399610410366004612c01565b61117a565b61028b610423366004612c34565b611311565b61028b61043636600461280f565b61137f565b61028b610449366004612cdf565b611497565b61046161045c36600461280f565b6114b1565b60405161022f9190612d8a565b61024061047c36600461280f565b611529565b61029561048f366004612b70565b6115e5565b61028b6104a2366004612b70565b61170d565b6102236104b5366004612dcf565b611769565b61028b6104c8366004612b70565b6117b3565b60007f01ffc9a7000000000000000000000000000000000000000000000000000000006001600160e01b03198316148061053057507f80ac58cd000000000000000000000000000000000000000000000000000000006001600160e01b03198316145b8061056457507f5b5e139f000000000000000000000000000000000000000000000000000000006001600160e01b03198316145b92915050565b60606003805461057990612e02565b80601f01602080910402602001604051908101604052809291908181526020018280546105a590612e02565b80156105f25780601f106105c7576101008083540402835291602001916105f2565b820191906000526020600020905b8154815290600101906020018083116105d557829003601f168201915b5050505050905090565b600061060782611840565b61063d576040517fcf4700e400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b506000908152600760205260409020546001600160a01b031690565b60405162461bcd60e51b815260206004820152601d60248201527f4c5844414f427569646c65723a2043616e6e6f7420617070726f76652e00000060448201526064015b60405180910390fd5b5050565b6106b2611868565b6106cd838383604051806020016040528060008152506118c2565b505050565b6106da611868565b6106cd83838360405180602001604052806000815250611497565b60006106ff611868565b50600a546001600160a01b031690565b610717611868565b60016000828152600b602052604090205460ff16600381111561073c5761073c612bc3565b146107af5760405162461bcd60e51b815260206004820152603060248201527f4c5844414f427569646c65723a2054686520627569646c6572206973206e6f7460448201527f2061637469766174696e67206e6f772e00000000000000000000000000000000606482015260840161069d565b6000818152600b602052604090819020805460ff1916600290811790915590517fafa725e7f44cadb687a7043853fa1a7e7b8f0da74ce87ec546e9420f04da8c1e916107fa91612bd9565b60405180910390a150565b6000546001600160a01b031633141561082a576108258585858585611a5d565b6108bd565b3361083486610990565b6001600160a01b0316146108b05760405162461bcd60e51b815260206004820152602d60248201527f4c5844414f427569646c65723a204f6e6c79206f776e65722063616e2075706460448201527f617465206d657461646174612e00000000000000000000000000000000000000606482015260840161069d565b6108bd8585858585611a5d565b5050505050565b60608160008167ffffffffffffffff8111156108e2576108e2612c70565b60405190808252806020026020018201604052801561093457816020015b6040805160808101825260008082526020808301829052928201819052606082015282526000199092019101816109005790505b50905060005b8281146109875761096286868381811061095657610956612e3d565b905060200201356114b1565b82828151811061097457610974612e3d565b602090810291909101015260010161093a565b50949350505050565b600061056482611c56565b6109a3611868565b848314610a3e5760405162461bcd60e51b815260206004820152604e60248201527f4c5844414f427569646c65723a20746865206c656e677468206f66206f776e6560448201527f7273206973206e6f7420657175616c20746f20746865206c656e677468206f6660648201527f206d65746164617461555249732e000000000000000000000000000000000000608482015260a40161069d565b60008567ffffffffffffffff811115610a5957610a59612c70565b604051908082528060200260200182016040528015610a82578160200160208202803683370190505b50905060005b86811015610b8b576000888883818110610aa457610aa4612e3d565b905060200201359050610ab681610990565b838381518110610ac857610ac8612e3d565b6001600160a01b039092166020928302919091019091015260016000828152600b602052604090205460ff166003811115610b0557610b05612bc3565b14610b785760405162461bcd60e51b815260206004820152602e60248201527f4c5844414f427569646c65723a2054686520746f6b656e206973206e6f74206160448201527f637469766174696e67206e6f772e000000000000000000000000000000000000606482015260840161069d565b5080610b8381612e53565b915050610a88565b50610bd6610b9a828787611cd0565b84848080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250611d0692505050565b610c225760405162461bcd60e51b815260206004820181905260248201527f4c5844414f427569646c65723a20496e76616c6964207369676e61747572652e604482015260640161069d565b600a546040517fc9e615910000000000000000000000000000000000000000000000000000000081526001600160a01b039091169063c9e6159190610c71908a908a908a908a90600401612f36565b600060405180830381600087803b158015610c8b57600080fd5b505af1158015610c9f573d6000803e3d6000fd5b5050505050505050505050565b610cb533610f1f565b15610d285760405162461bcd60e51b815260206004820152602d60248201527f4c5844414f427569646c65723a2054686520627569646c65722068617320616c60448201527f7265616479206d696e7465642e00000000000000000000000000000000000000606482015260840161069d565b610d77610d3b858533611d30565b611d30565b83838080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250611d0692505050565b610dc35760405162461bcd60e51b815260206004820181905260248201527f4c5844414f427569646c65723a20496e76616c6964207369676e61747572652e604482015260640161069d565b6000610dce60015490565b9050610ddb336001611d47565b6000818152600b602052604090819020805460ff19166001179055600a5490517ffd7230d60000000000000000000000000000000000000000000000000000000081526001600160a01b039091169063fd7230d690610e4290849089908990600401612fa9565b600060405180830381600087803b158015610e5c57600080fd5b505af1158015610e70573d6000803e3d6000fd5b505050507f30385c845b448a36257a6a1716e6ad2e1bc2cbe333cde1e69fe849ad6511adfe610e9c3390565b604080516001600160a01b039092168252602082018490520160405180910390a15050505050565b610ecc611868565b6009805473ffffffffffffffffffffffffffffffffffffffff19166001600160a01b0383161790556040517e11e9e55e13c0f9f7ea956f4b1e8ba65ba63e88d7c306b9d90b9564cdd30c1190600090a150565b60006001600160a01b038216610f61576040517f8f4eb60400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b506001600160a01b031660009081526006602052604090205467ffffffffffffffff1690565b610f8f611868565b610f996000611d61565b565b6000610fa5611868565b506009546001600160a01b031690565b60606000806000610fc585610f1f565b905060008167ffffffffffffffff811115610fe257610fe2612c70565b60405190808252806020026020018201604052801561100b578160200160208202803683370190505b5060408051608081018252600080825260208201819052918101829052606081018290529192505b8386146110b15761104381611dbe565b9150816040015115611054576110a9565b81516001600160a01b03161561106957815194505b876001600160a01b0316856001600160a01b031614156110a9578083878060010198508151811061109c5761109c612e3d565b6020026020010181815250505b600101611033565b50909695505050505050565b6000546001600160a01b03163314156110dc576110d981611e3d565b50565b336110e682610990565b6001600160a01b0316146111625760405162461bcd60e51b815260206004820152602560248201527f4c5844414f427569646c65723a204f6e6c79206f776e65722063616e2061726360448201527f686976652e000000000000000000000000000000000000000000000000000000606482015260840161069d565b6110d981611e3d565b60606004805461057990612e02565b60608183106111b5576040517f32c1995a00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6000806111c160015490565b9050808411156111cf578093505b60006111da87610f1f565b9050848610156111f957858503818110156111f3578091505b506111fd565b5060005b60008167ffffffffffffffff81111561121857611218612c70565b604051908082528060200260200182016040528015611241578160200160208202803683370190505b5090508161125457935061130a92505050565b600061125f886114b1565b905060008160400151611270575080515b885b8881141580156112825750848714155b156112fe5761129081611dbe565b92508260400151156112a1576112f6565b82516001600160a01b0316156112b657825191505b8a6001600160a01b0316826001600160a01b031614156112f657808488806001019950815181106112e9576112e9612e3d565b6020026020010181815250505b600101611272565b50505092835250909150505b9392505050565b60405162461bcd60e51b815260206004820152602760248201527f4c5844414f427569646c65723a2043616e6e6f7420736574417070726f76616c60448201527f466f72416c6c2e00000000000000000000000000000000000000000000000000606482015260840161069d565b611387611868565b60026000828152600b602052604090205460ff1660038111156113ac576113ac612bc3565b14806113da575060036000828152600b602052604090205460ff1660038111156113d8576113d8612bc3565b145b61144c5760405162461bcd60e51b815260206004820152603b60248201527f4c5844414f427569646c65723a2054686520627569646c6572206973206e6f7460448201527f2073757370656e646564206f72206172636869766564206e6f772e0000000000606482015260840161069d565b6000818152600b602052604090819020805460ff1916600190811790915590517fafa725e7f44cadb687a7043853fa1a7e7b8f0da74ce87ec546e9420f04da8c1e916107fa91612bd9565b61149f611868565b6114ab848484846118c2565b50505050565b60408051608080820183526000808352602080840182905283850182905260608085018390528551938401865282845290830182905293820181905292810183905290915060015483106115055792915050565b61150e83611dbe565b90508060400151156115205792915050565b61130a83611f20565b606061153482611840565b61154c57505060408051602081019091526000815290565b600a546040517fc87b56dd000000000000000000000000000000000000000000000000000000008152600481018490526001600160a01b039091169063c87b56dd9060240160006040518083038186803b1580156115a957600080fd5b505afa1580156115bd573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f191682016040526105649190810190612fcc565b6000806115f183610f1f565b116116515760405162461bcd60e51b815260206004820152602a60248201527f4c5844414f427569646c65723a206066726f6d60206164647265737320686173604482015269103737903a37b5b2b71760b11b606482015260840161069d565b6040517f8462151c0000000000000000000000000000000000000000000000000000000081526001600160a01b03831660048201526000903090638462151c9060240160006040518083038186803b1580156116ac57600080fd5b505afa1580156116c0573d6000803e3d6000fd5b505050506040513d6000823e601f3d908101601f191682016040526116e8919081019061303a565b9050806000815181106116fd576116fd612e3d565b6020026020010151915050919050565b611715611868565b600a805473ffffffffffffffffffffffffffffffffffffffff19166001600160a01b0383161790556040517fecbaf36ba670613432ced351f409a39c9c3406b04117b15b7d9d8d35b902122590600090a150565b600080546001600160a01b031633141561178557506001610564565b6001600160a01b0380841660009081526008602090815260408083209386168352929052205460ff1661130a565b6117bb611868565b6001600160a01b0381166118375760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201527f6464726573730000000000000000000000000000000000000000000000000000606482015260840161069d565b6110d981611d61565b600060015482108015610564575050600090815260056020526040902054600160e01b161590565b6000546001600160a01b03163314610f995760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015260640161069d565b836001600160a01b03166118d583610990565b6001600160a01b03161461193e5760405162461bcd60e51b815260206004820152602a60248201527f4c5844414f427569646c65723a206066726f6d60206164647265737320686173604482015269103737903a37b5b2b71760b11b606482015260840161069d565b61194783610f1f565b156119ba5760405162461bcd60e51b815260206004820152602d60248201527f4c5844414f427569646c65723a2060746f60206164647265737320616c72656160448201527f64792068617320746f6b656e2e00000000000000000000000000000000000000606482015260840161069d565b60026000838152600b602052604090205460ff1660038111156119df576119df612bc3565b14611a525760405162461bcd60e51b815260206004820152603e60248201527f4c5844414f427569646c65723a2054686520416374697665206f72206172636860448201527f6976656420746f6b656e2063616e6e6f74206265207472616e736665722e0000606482015260840161069d565b6114ab848484611f98565b600a546001600160a01b0316611adb5760405162461bcd60e51b815260206004820152602760248201527f4c5844414f427569646c65723a206d657461646174612061646472657373206960448201527f73207a65726f2e00000000000000000000000000000000000000000000000000606482015260840161069d565b60016000868152600b602052604090205460ff166003811115611b0057611b00612bc3565b14611b735760405162461bcd60e51b815260206004820152602e60248201527f4c5844414f427569646c65723a2054686520746f6b656e206973206e6f74206160448201527f637469766174696e67206e6f772e000000000000000000000000000000000000606482015260840161069d565b611b84610d3b8585610d3689610990565b611bd05760405162461bcd60e51b815260206004820181905260248201527f4c5844414f427569646c65723a20496e76616c6964207369676e61747572652e604482015260640161069d565b600a546040517f0216b8380000000000000000000000000000000000000000000000000000000081526001600160a01b0390911690630216b83890611c1d90889088908890600401612fa9565b600060405180830381600087803b158015611c3757600080fd5b505af1158015611c4b573d6000803e3d6000fd5b505050505050505050565b600081600154811015611c9e57600081815260056020526040902054600160e01b8116611c9c575b8061130a575060001901600081815260056020526040902054611c7e565b505b6040517fdf2d9b4200000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6000838383604051602001611ce7939291906130d4565b6040516020818303038152906040528051906020012090509392505050565b6009546000906001600160a01b0316611d1f8484612175565b6001600160a01b0316149392505050565b6000838383604051602001611ce793929190613136565b6106a68282604051806020016040528060008152506121d8565b600080546001600160a01b0383811673ffffffffffffffffffffffffffffffffffffffff19831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b60408051608081018252600080825260208201819052918101829052606081019190915260008281526005602052604090205461056490604080516080810182526001600160a01b038316815260a083901c67ffffffffffffffff166020820152600160e01b831615159181019190915260e89190911c606082015290565b60016000828152600b602052604090205460ff166003811115611e6257611e62612bc3565b14611ed55760405162461bcd60e51b815260206004820152603060248201527f4c5844414f427569646c65723a2054686520627569646c6572206973206e6f7460448201527f2061637469766174696e67206e6f772e00000000000000000000000000000000606482015260840161069d565b6000818152600b602052604090819020805460ff1916600390811790915590517fafa725e7f44cadb687a7043853fa1a7e7b8f0da74ce87ec546e9420f04da8c1e916107fa91612bd9565b604080516080810182526000808252602082018190529181018290526060810191909152610564611f5083611c56565b604080516080810182526001600160a01b038316815260a083901c67ffffffffffffffff166020820152600160e01b831615159181019190915260e89190911c606082015290565b6000611fa382611c56565b9050836001600160a01b0316816001600160a01b031614611ff0576040517fa114810000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60008281526007602052604090208054338082146001600160a01b03881690911417612056576120208633611769565b612056576040517f59c896be00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6001600160a01b038516612096576040517fea553b3400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b80156120a157600082555b6001600160a01b038681166000908152600660205260408082208054600019019055918716808252919020805460010190554260a01b17600160e11b17600085815260056020526040902055600160e11b831661212c576001840160008181526005602052604090205461212a57600154811461212a5760008181526005602052604090208490555b505b83856001600160a01b0316876001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a4505050505050565b600061130a826121d2856040517f19457468657265756d205369676e6564204d6573736167653a0a3332000000006020820152603c8101829052600090605c01604051602081830303815290604052805190602001209050919050565b9061223e565b6121e28383612262565b6001600160a01b0383163b156106cd576001548281035b61220c600086838060010194508661238c565b612229576040516368d2bf6b60e11b815260040160405180910390fd5b8181106121f95781600154146108bd57600080fd5b600080600061224d8585612483565b9150915061225a816124c9565b509392505050565b6001548161229c576040517fb562e8dd00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6001600160a01b03831660008181526006602090815260408083208054680100000000000000018802019055848352600590915281206001851460e11b4260a01b178317905582840190839083907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8180a4600183015b81811461234b57808360007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef600080a4600101612313565b5081612383576040517f2e07630000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60015550505050565b604051630a85bd0160e11b81526000906001600160a01b0385169063150b7a02906123c1903390899088908890600401613163565b602060405180830381600087803b1580156123db57600080fd5b505af192505050801561240b575060408051601f3d908101601f191682019092526124089181019061319f565b60015b612466573d808015612439576040519150601f19603f3d011682016040523d82523d6000602084013e61243e565b606091505b50805161245e576040516368d2bf6b60e11b815260040160405180910390fd5b805181602001fd5b6001600160e01b031916630a85bd0160e11b149050949350505050565b6000808251604114156124ba5760208301516040840151606085015160001a6124ae87828585612684565b945094505050506124c2565b506000905060025b9250929050565b60008160048111156124dd576124dd612bc3565b14156124e65750565b60018160048111156124fa576124fa612bc3565b14156125485760405162461bcd60e51b815260206004820152601860248201527f45434453413a20696e76616c6964207369676e61747572650000000000000000604482015260640161069d565b600281600481111561255c5761255c612bc3565b14156125aa5760405162461bcd60e51b815260206004820152601f60248201527f45434453413a20696e76616c6964207369676e6174757265206c656e67746800604482015260640161069d565b60038160048111156125be576125be612bc3565b14156126175760405162461bcd60e51b815260206004820152602260248201527f45434453413a20696e76616c6964207369676e6174757265202773272076616c604482015261756560f01b606482015260840161069d565b600481600481111561262b5761262b612bc3565b14156110d95760405162461bcd60e51b815260206004820152602260248201527f45434453413a20696e76616c6964207369676e6174757265202776272076616c604482015261756560f01b606482015260840161069d565b6000807f7fffffffffffffffffffffffffffffff5d576e7357a4501ddfe92f46681b20a08311156126bb5750600090506003612768565b8460ff16601b141580156126d357508460ff16601c14155b156126e45750600090506004612768565b6040805160008082526020820180845289905260ff881692820192909252606081018690526080810185905260019060a0016020604051602081039080840390855afa158015612738573d6000803e3d6000fd5b5050604051601f1901519150506001600160a01b03811661276157600060019250925050612768565b9150600090505b94509492505050565b6001600160e01b0319811681146110d957600080fd5b60006020828403121561279957600080fd5b813561130a81612771565b60005b838110156127bf5781810151838201526020016127a7565b838111156114ab5750506000910152565b600081518084526127e88160208601602086016127a4565b601f01601f19169290920160200192915050565b60208152600061130a60208301846127d0565b60006020828403121561282157600080fd5b5035919050565b80356001600160a01b038116811461283f57600080fd5b919050565b6000806040838503121561285757600080fd5b61286083612828565b946020939093013593505050565b60008060006060848603121561288357600080fd5b61288c84612828565b925061289a60208501612828565b9150604084013590509250925092565b60008083601f8401126128bc57600080fd5b50813567ffffffffffffffff8111156128d457600080fd5b6020830191508360208285010111156124c257600080fd5b60008060008060006060868803121561290457600080fd5b85359450602086013567ffffffffffffffff8082111561292357600080fd5b61292f89838a016128aa565b9096509450604088013591508082111561294857600080fd5b50612955888289016128aa565b969995985093965092949392505050565b60008083601f84011261297857600080fd5b50813567ffffffffffffffff81111561299057600080fd5b6020830191508360208260051b85010111156124c257600080fd5b600080602083850312156129be57600080fd5b823567ffffffffffffffff8111156129d557600080fd5b6129e185828601612966565b90969095509350505050565b6020808252825182820181905260009190848201906040850190845b818110156110b157612a578385516001600160a01b03815116825267ffffffffffffffff602082015116602083015260408101511515604083015262ffffff60608201511660608301525050565b9284019260809290920191600101612a09565b60008060008060008060608789031215612a8357600080fd5b863567ffffffffffffffff80821115612a9b57600080fd5b612aa78a838b01612966565b90985096506020890135915080821115612ac057600080fd5b612acc8a838b01612966565b90965094506040890135915080821115612ae557600080fd5b50612af289828a016128aa565b979a9699509497509295939492505050565b60008060008060408587031215612b1a57600080fd5b843567ffffffffffffffff80821115612b3257600080fd5b612b3e888389016128aa565b90965094506020870135915080821115612b5757600080fd5b50612b64878288016128aa565b95989497509550505050565b600060208284031215612b8257600080fd5b61130a82612828565b6020808252825182820181905260009190848201906040850190845b818110156110b157835183529284019291840191600101612ba7565b634e487b7160e01b600052602160045260246000fd5b6020810160048310612bfb57634e487b7160e01b600052602160045260246000fd5b91905290565b600080600060608486031215612c1657600080fd5b612c1f84612828565b95602085013595506040909401359392505050565b60008060408385031215612c4757600080fd5b612c5083612828565b915060208301358015158114612c6557600080fd5b809150509250929050565b634e487b7160e01b600052604160045260246000fd5b604051601f8201601f1916810167ffffffffffffffff81118282101715612caf57612caf612c70565b604052919050565b600067ffffffffffffffff821115612cd157612cd1612c70565b50601f01601f191660200190565b60008060008060808587031215612cf557600080fd5b612cfe85612828565b9350612d0c60208601612828565b925060408501359150606085013567ffffffffffffffff811115612d2f57600080fd5b8501601f81018713612d4057600080fd5b8035612d53612d4e82612cb7565b612c86565b818152886020838501011115612d6857600080fd5b8160208401602083013760006020838301015280935050505092959194509250565b81516001600160a01b0316815260208083015167ffffffffffffffff169082015260408083015115159082015260608083015162ffffff169082015260808101610564565b60008060408385031215612de257600080fd5b612deb83612828565b9150612df960208401612828565b90509250929050565b600181811c90821680612e1657607f821691505b60208210811415612e3757634e487b7160e01b600052602260045260246000fd5b50919050565b634e487b7160e01b600052603260045260246000fd5b6000600019821415612e7557634e487b7160e01b600052601160045260246000fd5b5060010190565b81835281816020850137506000828201602090810191909152601f909101601f19169091010190565b81835260006020808501808196508560051b810191508460005b87811015612f295782840389528135601e19883603018112612ee057600080fd5b8701803567ffffffffffffffff811115612ef957600080fd5b803603891315612f0857600080fd5b612f158682898501612e7c565b9a87019a9550505090840190600101612ebf565b5091979650505050505050565b6040815283604082015260007f07ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff851115612f6f57600080fd5b8460051b80876060850137808301905060608101600081526060848303016020850152612f9d818688612ea5565b98975050505050505050565b838152604060208201526000612fc3604083018486612e7c565b95945050505050565b600060208284031215612fde57600080fd5b815167ffffffffffffffff811115612ff557600080fd5b8201601f8101841361300657600080fd5b8051613014612d4e82612cb7565b81815285602083850101111561302957600080fd5b612fc38260208301602086016127a4565b6000602080838503121561304d57600080fd5b825167ffffffffffffffff8082111561306557600080fd5b818501915085601f83011261307957600080fd5b81518181111561308b5761308b612c70565b8060051b915061309c848301612c86565b81815291830184019184810190888411156130b657600080fd5b938501935b83851015612f9d578451825293850193908501906130bb565b604080825284519082018190526000906020906060840190828801845b828110156131165781516001600160a01b0316845292840192908401906001016130f1565b5050508381038285015261312b818688612ea5565b979650505050505050565b60408152600061314a604083018587612e7c565b90506001600160a01b0383166020830152949350505050565b60006001600160a01b0380871683528086166020840152508360408301526080606083015261319560808301846127d0565b9695505050505050565b6000602082840312156131b157600080fd5b815161130a8161277156fea26469706673582212202649c3b5acc2cff0bb283c998080b5a97fa92bf42b09d33fe6d2d1382ce8036864736f6c634300080900330000000000000000000000003b909177382dd656def6efd0dff3c2556b6f6d9400000000000000000000000050dfeeaaab26c64f229c8c54c112243b865dd440

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

0000000000000000000000003b909177382dd656def6efd0dff3c2556b6f6d9400000000000000000000000050dfeeaaab26c64f229c8c54c112243b865dd440

-----Decoded View---------------
Arg [0] : _signer (address): 0x3B909177382DD656Def6efd0DFf3C2556b6f6d94
Arg [1] : _metadataAddress (address): 0x50dFEEAaab26C64F229C8c54C112243b865dD440

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000003b909177382dd656def6efd0dff3c2556b6f6d94
Arg [1] : 00000000000000000000000050dfeeaaab26c64f229c8c54c112243b865dd440