Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT    

//     ██╗     ██╗████████╗████████╗██╗     ███████╗    ███╗   ███╗██╗███████╗███████╗
//     ██║     ██║╚══██╔══╝╚══██╔══╝██║     ██╔════╝    ████╗ ████║██║██╔════╝██╔════╝
//     ██║     ██║   ██║      ██║   ██║     █████╗      ██╔████╔██║██║███████╗███████╗
//     ██║     ██║   ██║      ██║   ██║     ██╔══╝      ██║╚██╔╝██║██║╚════██║╚════██║
//     ███████╗██║   ██║      ██║   ███████╗███████╗    ██║ ╚═╝ ██║██║███████║███████║
//     ╚══════╝╚═╝   ╚═╝      ╚═╝   ╚══════╝╚══════╝    ╚═╝     ╚═╝╚═╝╚══════╝╚══════╝
//                                                                                          
//                                     .:-==++**##*++=:                                     
//                                 :+*###%#%@@@@%%%*##*#*=.                                 
//                             .=*#++****#**#%%@*#+#++*#++*#+-                              
//                           .*#+=*#*+*#+**=##=#%+#=+#+=+#*==+#*:                           
//                          +%++**=+**=##=+%*=-=#%=#+-+#*=+#*=-=#*                          
//                        :%*+#*=**+=*#==#%+----=*%=**=-+#*==#*=-*%.                        
//         .+*- =#+:     -%+#*=**==**==*%*=-------+%+=#+--=**==#+-*%           .            
//        **%*# #%#%#=  :%*#+**==**==+%*=----------=##++#+--=**=*#=%+    =#%# :##+.         
//       -##*%#%%%#%#*: #%#*#=+#*=+*%*=-+#*=---=##=--=##**#*=-=**+#*% .+%###%.#*#+%.        
//       :*#*#@###@+-  :@@%*****##*+=---#@@+---#@@*----=*##***+=+#*%@: -=*%%%%%%***#        
//        #*+#@%#%*=*@##@@@%##*+=-------+%#=---=##=-------=+##%%#+*%@*::=*@###@#*#%.        
//        :*%%##@##+*%-+%++=---------=----+#**#=-====---------=+*##%@%*%*-=@%%%%*+#         
//         -#%#%% .-=*##@=------*+--=-==--%+-=%+-====+=--+=--------=%*=##*#+%%##%%-         
//           .=##       **------*%=--+===-+#**+=-==+==---#+--------+%**+:.  #%#%*:          
//                      .%+-----=##+**+------------=----=%=-------=%-       =+-             
//                       .#=---***@%=#%*+=-------+#**++*##=------=#+                        
//                        .#+--**+*++***%=------=*%+=*#=+%=-----=#=                         
//                          +#=--*%===++%+-----=%*++=-=#%=----=+#:                          
//                           :##=+=-=@*+*##*****%@*=+#+-++--=+#=                            
//                             :+#*+=+-----====-=#***+*=-=+**-                              
//                                .-++**+==--------=++**+=:                                 
//                                     .:=+%+-+#---#*.                                      
//                                         =#-*%---#=                                       
//                                      .:-*#-+%---*#+==:.                                  
//                                  :+***+==--=%=------==**=                                
//                                  ##+++++***++++****++++*#:                               
//                                   ..:::.          ...::.                                 
//


pragma solidity ^0.8.15;

import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract LittleMiss is ERC721A, Ownable {
    string _baseUri;
    string _contractUri;
    
    uint public maxPerWallet = 1;
    uint public salesStartTimestamp = 1500000000;
    uint public maxSupply = 5000;
    
    mapping(address => uint) public addressToFreeMinted;

    constructor() ERC721A("Little Miss", "LTM") {
    }

    function _baseURI() internal view override returns (string memory) {
        return _baseUri;
    }
    
    function freeMint() external {
        require(isSalesActive(), "sale is not active");
        require(totalSupply() <= maxSupply, "sold out");
        require(addressToFreeMinted[msg.sender] < maxPerWallet, "caller already minted for free");
        
        addressToFreeMinted[msg.sender]++;
        _safeMint(msg.sender, 1);
    }

    function updateMaxSupply(uint newMaxSupply) external onlyOwner {
        maxSupply = newMaxSupply;
    }

    function isSalesActive() public view returns (bool) {
        return salesStartTimestamp <= block.timestamp;
    }
    
    function contractURI() public view returns (string memory) {
        return _contractUri;
    }

    function setBaseURI(string memory newBaseURI) external onlyOwner {
        _baseUri = newBaseURI;
    }
    
    function setContractURI(string memory newContractURI) external onlyOwner {
        _contractUri = newContractURI;
    }
    
    function setSalesStartTimestamp(uint newTimestamp) external onlyOwner {
        salesStartTimestamp = newTimestamp;
    }
    
    function withdrawAll() external onlyOwner {
        require(payable(msg.sender).send(address(this).balance));
    }
}

// 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
// ERC721A Contracts v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory ptr) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit),
            // but we allocate 128 bytes to keep the free memory pointer 32-byte word aliged.
            // We will need 1 32-byte word to store the length,
            // and 3 32-byte words to store a maximum of 78 digits. Total: 32 + 3 * 32 = 128.
            ptr := add(mload(0x40), 128)
            // Update the free memory pointer to allocate.
            mstore(0x40, ptr)

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

            // We write the string from the rightmost digit to the leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // Costs a bit more than early returning for the zero case,
            // but cheaper in terms of deployment and overall runtime costs.
            for {
                // Initialize and perform the first pass without check.
                let temp := value
                // Move the pointer 1 byte leftwards to point to an empty character slot.
                ptr := sub(ptr, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(ptr, add(48, mod(temp, 10)))
                temp := div(temp, 10)
            } temp {
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
            } {
                // Body of the for loop.
                ptr := sub(ptr, 1)
                mstore8(ptr, add(48, mod(temp, 10)))
            }

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

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.0
// Creator: Chiru Labs

pragma solidity ^0.8.4;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// 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;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"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":"","type":"address"}],"name":"addressToFreeMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"freeMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isSalesActive","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":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"salesStartTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newContractURI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newTimestamp","type":"uint256"}],"name":"setSalesStartTimestamp","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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"updateMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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