Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.17;

import { ERC721A } from "erc721a/ERC721A.sol";
import { Ownable } from "openzeppelin/access/Ownable.sol";
import { OperatorFilterer } from "closedsea/OperatorFilterer.sol";
import { ERC2981 } from "openzeppelin/token/common/ERC2981.sol";
import { ECDSA } from "openzeppelin/utils/cryptography/ECDSA.sol";
                                                                                                            
/*                                                                                                                       
                       ||||                                                                                             
                    ||||||||||                                                                                          
                 ||||||||||||||                    ||||||||||                                                           
               |||||||||||||||||            ||||||||||||||||||                   ||||||||                               
              |||||||||||||||||||||||||||||||||||||||||||||||||                 ||||||||||||                            
             |||||||||||||||||||||||||||||||||||||||||||||||||||                ||||||||||||||                          
           ||||||||||||||||||||||||||||||||||||||||||||||||||||||               ||||||||||||||                          
          |||||||||||||||||||||||||||||||||||||||||||||||||||||||               ||||||||||||||                          
         ||||||||||||||||||||||||| |||||||||||||     ||||||||||||               |||||||||||||                           
        ||||||||||||||||||||        ||||||||||||      ||||||||||||              |||||||||||||                           
       ||||||||||||||||||||         |||||||||||       ||||||||||||              |||||||||||||                           
       |||||||||||||||||||          |||||||||||        |||||||||||               ||||||||||||                           
      ||||||||||||||||||||          |||||||||||        ||||||||||||              ||||||||||||                           
     |||||||||||||||||||||          |||||||||||||||||||||||||||||||              ||||||||||||                           
     |||||||||||||||||||   ||||||||||||||||||||||||||||||||||||||||              ||||||||||||                   ||||    
    |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||              ||||||||||||               ||||||      
   |||||||||||||||||||| ||||||||||||||||||||||||||      ||||||||||||             ||||||||||||             |||||||       
   ||||||||||||||||||||   ||||||||||||||||||||||||      ||||||||||||             ||||||||||||          ||||||||         
   |||||||||||||||||||             |||||||||||||||       |||||||||||              |||||||||||        |||||||||          
  ||||||||||||||||||||             |||||||||||||||       ||||||||||||             |||||||||||      |||||||||            
  ||||||||||||||||||||    |||||||||||||||||||||||||||||||||||||||||||             ||||||||||||    ||||||||              
  ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||              ||||||||||||  |||||||||               
   |||||||||||||||||||||||||||||||||||||||||||||||||||||    |||||                 |||||||||||||||||||||                 
       ||||||||||||||||||||||||||||||||||||||||||                          |||    |||||||||||||||||||                   
           |||||||||||||||||||||||||||                                 |||||||||||||||||||||||||||||                    
               ||||||||||                                             ||||||||||||||||||||||||||||                      
                                                                     ||||||||||||||||||||||||||||                       
                           |||||||||          ||||||||||                   ||||||||||||||||||||                         
                         ||||||||||||||||||||||||||||||||                     |||||||||||||||||        ||||             
                        ||||||||||||||||||||||||||||||||||                     |||||||||||||||     ||||||||||           
                       |||||||||||||||||||||||||||||||||||                    |||||||||||||||| |||||||||||||||          
                       |||||||||||||||||      |||||||||||||                 |||||||||||||||||||||||||||||||||||         
                      |||||||||||||||          ||||||||||||                |||||||||||||||||||||||||||||||||||||        
                     |||||||||||||||            ||||||||||||              |||||||||||||||||||||||||||                   
                    ||||||||||||||||     |||||||||||||||||||            ||||||||||||||||||||||||                        
                   |||||||||||||||||||||||||||||||||||||||||            |||||||||||||||||||||                           
                   ||||||||||||||||||||||||||||||||||||||||||          |||||||||||||||||||                              
                   |||||||||||||||||||||||||        ||||||||||        |||||||||||||||||                                 
                     |||||||||||||||||               |||||||          ||||||||||||||                                    
                         ||||||||                                     ||||||||||||                                      
                                                                        ||||||||                                        
                                                     ||||||||                                                           
                                              |||||||||||||||||                     ||||||||                            
                                      ||||||||||||||||||||||||||                  |||||||||||||                         
               |||||||||||||||||||||||||||||||||||||||||||||||||||               |||||||||||||||                        
             |||||||||||||||||||||||||||||||||||||||||||                         |||||||||||||||                        
            |||||||||||||||||||||||||||||||||||||                                |||||||||||||||                        
             ||||||||||||||||||||||||||||||                                       |||||||||||||||                       
               ||||||||||||||||||||||                                              |||||||||||||||                      
                  |||||||||||||                                                      ||||||||||||||                     
                                                                                           ||||||||||                   
                                                                                                                        
twitter: https://twitter.com/LuckyGBT                                                                                                                        
*/

contract LuckyGambleBunnyTribe is ERC721A, Ownable, ERC2981, OperatorFilterer {

    /* -------------------------------------------------------------------------- */
    /*                                   errors                                   */
    /* -------------------------------------------------------------------------- */
    error ErrWithdrawFailed();
    error ErrIncorrectValue();
    error ErrMintNotOpen();
    error ErrInvalidMaxSupply();
    error ErrExceedsMaxPerWallet();
    error ErrInvalidSignature();
    error ErrExceedsMaxSupply();
    error ErrMintZero();

    /* -------------------------------------------------------------------------- */
    /*                                    logs                                    */
    /* -------------------------------------------------------------------------- */
    event LogMint(address indexed sender, uint256 amount);
    event LogBonusMint(address indexed sender, uint256 nonce);

    /* -------------------------------------------------------------------------- */
    /*                                   states                                   */
    /* -------------------------------------------------------------------------- */
    // signer
    address private _signer;

    // operator filterer
    bool public operatorFilteringEnabled;

    // supply & price
    uint256 public maxSupply = 16888;
    uint256 public mintPrice = 0.00666 ether;
    uint256 public maxPerWallet = 10;

    // open
    bool public mintOpen;

    // tokenURI
    string public baseURI;

    // counter
    mapping(address => uint256) public mintCounter;
    mapping(address => uint256) public bonusMintNonce;

    /* -------------------------------------------------------------------------- */
    /*                                 constructor                                */
    /* -------------------------------------------------------------------------- */
    constructor(address signer_) ERC721A("LUCKY GAMBLE BUNNY TRIBE", "LGBT") {
        // initial states
        _signer = signer_;

        // operator filterer
        _registerForOperatorFiltering();
        operatorFilteringEnabled = true;

        // erc2981 royalty - 5%
        _setDefaultRoyalty(0x7e646FA416C978029f07539F6F587232D49A4AEC, 500);
    }

    /* -------------------------------------------------------------------------- */
    /*                                  external                                  */
    /* -------------------------------------------------------------------------- */
    function mint(uint256 amount_) external payable {
        // checks
        if (amount_ == 0) { revert ErrMintZero(); }
        if (msg.value != amount_ * mintPrice) { revert ErrIncorrectValue(); }
        if (!mintOpen) { revert ErrMintNotOpen(); }
        if (mintCounter[msg.sender] + amount_ > maxPerWallet) { revert ErrExceedsMaxPerWallet(); }
        if (totalSupply() + amount_ > maxSupply) { revert ErrExceedsMaxSupply(); }

        // update states
        mintCounter[msg.sender] += amount_;

        // mint
        _mint(msg.sender, amount_);

        // emit
        emit LogMint(msg.sender, amount_);
    }

    function bonusMint(bytes calldata signature_) external {
        if (!mintOpen) { revert ErrMintNotOpen(); }
        if (totalSupply() + 1 > maxSupply) { revert ErrExceedsMaxSupply(); }

        // check signature
        uint256 __bonusMintNonce = bonusMintNonce[msg.sender];
        bytes32 hash = keccak256(abi.encodePacked(
            msg.sender,
            __bonusMintNonce
        ));
        if (ECDSA.recover(hash, signature_) != _signer) revert ErrInvalidSignature();

        // update state
        bonusMintNonce[msg.sender] += 1;

        // mint
        _mint(msg.sender, 1);

        // emit
        emit LogBonusMint(msg.sender, __bonusMintNonce);
    }

    /* -------------------------------------------------------------------------- */
    /*                                   owners                                   */
    /* -------------------------------------------------------------------------- */
    // addresses
    function setSigner(address signer_) external onlyOwner {
        _signer = signer_;
    }

    // supply
    function reduceSupply(uint256 maxSupply_) public onlyOwner {
        if (maxSupply_ >= maxSupply) { revert ErrInvalidMaxSupply(); }
        maxSupply = maxSupply_;
    }

    // price
    function setMintPrice(uint256 mintPrice_) public onlyOwner {
        mintPrice = mintPrice_;
    }

    // maxPerWallet
    function setMaxPerWallet(uint256 maxPerWallet_) public onlyOwner {
        maxPerWallet = maxPerWallet_;
    }

    // tokenURI
    function setBaseURI(string calldata baseURI_) public onlyOwner {
        baseURI = baseURI_;
    }

    // mint open
    function setMintOpen(bool mintOpen_) public onlyOwner{
        mintOpen = mintOpen_;
    }

    // operator filterer
    function setOperatorFilteringEnabled(bool value_) public onlyOwner {
        operatorFilteringEnabled = value_;
    }

    // erc2981
    function setDefaultRoyalty(address receiver_, uint96 feeNumerator_) public onlyOwner {
        _setDefaultRoyalty(receiver_, feeNumerator_);
    }

    // withdraw
    function withdraw() external onlyOwner {
        (bool success, ) = payable(msg.sender).call{value: address(this).balance}("");
        if (!success) revert ErrWithdrawFailed();
    }

    /* -------------------------------------------------------------------------- */
    /*                                   erc721a                                  */
    /* -------------------------------------------------------------------------- */
    function _startTokenId() internal pure override returns (uint256) {
        return 1;
    }

    function _baseURI() internal view override returns (string memory) {
        return baseURI;
    }

    /* -------------------------------------------------------------------------- */
    /*                              erc165 overrides                              */
    /* -------------------------------------------------------------------------- */
    function supportsInterface(bytes4 interfaceId) 
        public view virtual override (ERC721A, ERC2981)
        returns (bool) {
        return ERC721A.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId);
    }

    /* -------------------------------------------------------------------------- */
    /*                         operator filterer overrides                        */
    /* -------------------------------------------------------------------------- */
    function setApprovalForAll(address operator, bool approved) 
        public override(ERC721A) 
        onlyAllowedOperatorApproval(operator) {
        super.setApprovalForAll(operator, approved);
    }

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

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

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

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

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

    function _isPriorityOperator(address operator) internal pure override returns (bool) {
        // OpenSea Seaport Conduit
        return operator == address(0x1E0049783F008A0085193E00003D00cd54003c71);
    }
}

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

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) {
        if (_startTokenId() <= tokenId) {
            packed = _packedOwnerships[tokenId];
            // If not burned.
            if (packed & _BITMASK_BURNED == 0) {
                // If the data at the starting slot does not exist, start the scan.
                if (packed == 0) {
                    if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector);
                    // Invariant:
                    // There will always be an initialized ownership slot
                    // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                    // before an unintialized ownership slot
                    // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                    // Hence, `tokenId` will not underflow.
                    //
                    // We can directly compare the packed value.
                    // If the address is zero, packed will be zero.
                    for (;;) {
                        unchecked {
                            packed = _packedOwnerships[--tokenId];
                        }
                        if (packed == 0) continue;
                        return packed;
                    }
                }
                // Otherwise, the data exists and is not burned. We can skip the scan.
                // This is possible because we have already achieved the target condition.
                // This saves 2143 gas on transfers of initialized tokens.
                return packed;
            }
        }
        _revert(OwnerQueryForNonexistentToken.selector);
    }

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

        // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
        uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;
        assembly {
            // Emit the `Transfer` event.
            log4(
                0, // Start of data (0, since no data).
                0, // End of data (0, since no data).
                _TRANSFER_EVENT_SIGNATURE, // Signature.
                from, // `from`.
                toMasked, // `to`.
                tokenId // `tokenId`.
            )
        }
        if (toMasked == 0) _revert(TransferToZeroAddress.selector);

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                _revert(TransferToNonERC721ReceiverImplementer.selector);
            }
    }

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

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

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

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

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

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

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

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

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

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

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

            do {
                assembly {
                    // Emit the `Transfer` event.
                    log4(
                        0, // Start of data (0, since no data).
                        0, // End of data (0, since no data).
                        _TRANSFER_EVENT_SIGNATURE, // Signature.
                        0, // `address(0)`.
                        toMasked, // `to`.
                        tokenId // `tokenId`.
                    )
                }
                // The `!=` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
            } while (++tokenId != end);

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

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

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

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

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

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

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

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

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        _revert(TransferToNonERC721ReceiverImplementer.selector);
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) _revert(bytes4(0));
            }
        }
    }

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.4;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// 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 v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

        return (royalty.receiver, royaltyAmount);
    }

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

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

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "../Strings.sol";

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

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

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

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

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

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

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

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

        return (signer, RecoverError.NoError);
    }

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

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

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

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

{
  "remappings": [
    "ERC721A/=lib/ERC721A/contracts/",
    "closedsea/=lib/closedsea/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "erc721a-upgradeable/=lib/closedsea/lib/erc721a-upgradeable/contracts/",
    "erc721a/=lib/ERC721A/contracts/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/closedsea/lib/openzeppelin-contracts-upgradeable/contracts/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "operator-filter-registry/=lib/closedsea/lib/operator-filter-registry/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"signer_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"ErrExceedsMaxPerWallet","type":"error"},{"inputs":[],"name":"ErrExceedsMaxSupply","type":"error"},{"inputs":[],"name":"ErrIncorrectValue","type":"error"},{"inputs":[],"name":"ErrInvalidMaxSupply","type":"error"},{"inputs":[],"name":"ErrInvalidSignature","type":"error"},{"inputs":[],"name":"ErrMintNotOpen","type":"error"},{"inputs":[],"name":"ErrMintZero","type":"error"},{"inputs":[],"name":"ErrWithdrawFailed","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"nonce","type":"uint256"}],"name":"LogBonusMint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"LogMint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"signature_","type":"bytes"}],"name":"bonusMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"bonusMintNonce","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPerWallet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount_","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"mintCounter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operatorFilteringEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxSupply_","type":"uint256"}],"name":"reduceSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver_","type":"address"},{"internalType":"uint96","name":"feeNumerator_","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxPerWallet_","type":"uint256"}],"name":"setMaxPerWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"mintOpen_","type":"bool"}],"name":"setMintOpen","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"mintPrice_","type":"uint256"}],"name":"setMintPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value_","type":"bool"}],"name":"setOperatorFilteringEnabled","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":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000005b95f88f349ccb69e8a220c396df303b9e96eb85

-----Decoded View---------------
Arg [0] : signer_ (address): 0x5B95F88f349Ccb69E8a220C396Df303B9e96eB85

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000005b95f88f349ccb69e8a220c396df303b9e96eb85