Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.17;

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

contract BotOrNot is ERC721A, Ownable {
    using Strings for uint256;

    bool   public isSaleActive = false;
    string private baseURI = 'https://ipfs.io/ipfs/QmRWqyUfmud9ZA4VzzCJvXgT4m4EnQJLe4r22b25RyKfK1/';

    uint8 public maxPerTx = 10;
    uint16 public notBotSupply = 10000;
    uint16 public notBots = 0;
    uint32 public bots = 0;
    uint32 public BonTotalSupply = 1000000;

    mapping(uint256 => uint8) public notBotsId;

    error MaxPerTransactionReached();
    error SaleIsNotActive();
    error Unauthorized();
    error SupplyExceeded();

    constructor() ERC721A("BotOrNot", "BOT") {
        uint8 toMint = 10;
        _safeMint(msg.sender, toMint);
        notBots = toMint;
        for (uint8 i = 1; i <= toMint; i++)
            notBotsId[i] = i;
    }

    function mint(uint8 _quantity) external payable {
        if (_quantity > maxPerTx)
            revert MaxPerTransactionReached();

        if (!isSaleActive)
            revert SaleIsNotActive();

        if (totalMinted() + _quantity > BonTotalSupply)
            revert SupplyExceeded();

        if (msg.sender != tx.origin)
            revert Unauthorized();

        if (msg.value >= 1000000000000000 * _quantity) {
            if (notBots + _quantity > notBotSupply)
                revert SupplyExceeded();

            notBots += _quantity;

            uint256 startTokenId = totalMinted();
            uint8 rank = getRank(_quantity);

            for (uint8 i = 1; i <= _quantity; i++)
                notBotsId[startTokenId + i] = rank;
        } else {
            bots += _quantity;
        }

        _safeMint(msg.sender, _quantity);
    }

    function getRank(uint8 _quantity) private returns (uint8) {
        uint ratio = msg.value / _quantity;

        if (ratio >= 1000000000000000000) {
            return 10;
        } else if (ratio >= 500000000000000000) {
            return 9;
        } else if (ratio >= 300000000000000000) {
            return 8;
        } else if (ratio >= 100000000000000000) {
            return 7;
        } else if (ratio >= 80000000000000000) {
            return 6;
        } else if (ratio >= 40000000000000000) {
            return 5;
        } else if (ratio >= 10000000000000000) {
            return 4;
        } else if (ratio >= 7000000000000000) {
            return 3;
        } else if (ratio >= 3000000000000000) {
            return 2;
        } else {
            return 1;
        }
    }

    function flipSaleState() public onlyOwner {
        isSaleActive = !isSaleActive;
    }

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

    function setBaseURI(string memory baseURI_) external onlyOwner {
        baseURI = baseURI_;
    }

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        uint8 file = notBotsId[tokenId] > 0 ? notBotsId[tokenId] : 0;

        return string(abi.encodePacked(baseURI, _toString(file), ".json"));
    }

    function totalMinted() public view returns (uint256) {
        return _totalMinted();
    }

    function withdraw() public onlyOwner {
        payable(msg.sender).transfer(address(this).balance);
    }

    function setTotalSupply(uint32 _supply) public onlyOwner {
        if (totalMinted() >= BonTotalSupply)
            revert SupplyExceeded();

        BonTotalSupply = _supply;
    }

    function setNotBotSupply(uint16 _supply) public onlyOwner {
        if (totalMinted() >= BonTotalSupply)
            revert SupplyExceeded();

        if (notBots >= notBotSupply)
            revert SupplyExceeded();

        notBotSupply = _supply;
    }

    function _startTokenId() internal view virtual override returns (uint256) {
        return 1;
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        uint256 toMasked;
        uint256 end = startTokenId + quantity;

        // Use assembly to loop and emit the `Transfer` event for gas savings.
        // The duplicated `log4` removes an extra check and reduces stack juggling.
        // The assembly, together with the surrounding Solidity code, have been
        // delicately arranged to nudge the compiler into producing optimized opcodes.
        assembly {
        // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
            toMasked := and(to, _BITMASK_ADDRESS)
        // Emit the `Transfer` event.
            log4(
            0, // Start of data (0, since no data).
            0, // End of data (0, since no data).
            _TRANSFER_EVENT_SIGNATURE, // Signature.
            0, // `address(0)`.
            toMasked, // `to`.
            startTokenId // `tokenId`.
            )

        // The `iszero(eq(,))` check ensures that large values of `quantity`
        // that overflows uint256 will make the loop run out of gas.
        // The compiler will optimize the `iszero` away for performance.
            for {
                let tokenId := add(startTokenId, 1)
            } iszero(eq(tokenId, end)) {
                tokenId := add(tokenId, 1)
            } {
            // Emit the `Transfer` event. Similar to above.
                log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
            }
        }
        if (toMasked == 0) revert MintToZeroAddress();

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.4;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// 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":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MaxPerTransactionReached","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":"SaleIsNotActive","type":"error"},{"inputs":[],"name":"SupplyExceeded","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"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"BonTotalSupply","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bots","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"flipSaleState","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":"isSaleActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPerTx","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"_quantity","type":"uint8"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"notBotSupply","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"notBots","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"notBotsId","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"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":"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":"uint16","name":"_supply","type":"uint16"}],"name":"setNotBotSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_supply","type":"uint32"}],"name":"setTotalSupply","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":"totalMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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