Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

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

pragma solidity ^0.8.4;

import './ERC721A.sol';
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

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

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

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

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

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

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 () {
      address msgSender = _msgSender();
      _owner = msgSender;
      emit OwnershipTransferred(address(0), msgSender);
    }

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

    modifier onlyOwner() {
      require(_owner == _msgSender(), "Ownable: caller is not the owner");
      _;
    }

    function renounceOwnership() public onlyOwner {
      emit OwnershipTransferred(_owner, address(0));
      _owner = address(0);
    }

    function transferOwnership(address newOwner) public onlyOwner {
      _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal {
      require(newOwner != address(0), "Ownable: new owner is the zero address");
      emit OwnershipTransferred(_owner, newOwner);
      _owner = newOwner;
    }
} 

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

    constructor() ERC721A("PixelBirdy", "PBIRDY") {}

    uint256 public cost = 3330000000000000;
    uint256 public maxMintAmountPerTx = 100;
    bool public paused = false;
    uint16 public maxSupply = 3333;
    string private URI = "ipfs://bafybeignacm5xxrwlxarikypxe4rwo6zgbhqodwdk6gum73pln2vxciw6i/"; 
    string private uriPrefix;
    string private uriSuffix = "";
    mapping (address => bool) public NFTPerPublicAddress;

    function freeMint() public {
        require(!NFTPerPublicAddress[msg.sender], "Sorry only one Free Mint per Wallet");
         _safeMint(msg.sender , 1);
         NFTPerPublicAddress[msg.sender] = true;
    }

    function updateCost(uint256 _newCost) public onlyOwner{
        cost = _newCost;
    }

    function updateMintAmount(uint256 _amount) public onlyOwner{
        maxMintAmountPerTx = _amount;
    }

    function publicMint(uint8 _mintAmount) external payable  {
        uint16 totalSupply = uint16(totalSupply());
        require(totalSupply + _mintAmount <= maxSupply, "Exceeds max supply.");
        require(_mintAmount  <= maxMintAmountPerTx, "Exceeds max per transaction.");
        require(!paused, "The contract is paused!");
        uint8 costAmount = _mintAmount;
        require(msg.value >= cost * costAmount, "Insufficient funds!");
        _safeMint(msg.sender , _mintAmount);
        delete totalSupply;
        delete _mintAmount;
    }
  
    function ownerMint(uint16 _mintAmount, address _receiver) external onlyOwner {
        uint16 totalSupply = uint16(totalSupply());
        require(totalSupply + _mintAmount <= maxSupply, "Exceeds max supply.");
        _safeMint(_receiver , _mintAmount);
        delete _mintAmount;
        delete _receiver;
        delete totalSupply;
    }

    function  airdrop(uint8 _amountPerAddress, address[] calldata addresses) external onlyOwner {
        uint16 totalSupply = uint16(totalSupply());
        uint totalAmount =   _amountPerAddress * addresses.length;
        require(totalSupply + totalAmount <= maxSupply, "Exceeds max supply.");
        for (uint256 i = 0; i < addresses.length; i++) {
                _safeMint(addresses[i], _amountPerAddress);
            }
        delete _amountPerAddress;
        delete totalSupply;
    }

    function setMaxSupply(uint16 _maxSupply) external onlyOwner {
        maxSupply = _maxSupply;
    }

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

    function toggleMint() external onlyOwner {
        paused = !paused;
    }

    function updateBaseURI(string memory _URI) public onlyOwner{
        URI = _URI;
    }

    function withdraw() external onlyOwner {
        uint _balance = address(this).balance;
        payable(msg.sender).transfer(_balance ); 
    }

    function tokenURI(uint256 _tokenId) public view virtual override returns (string memory){
        require(_exists(_tokenId),"ERC721Metadata: URI query for nonexistent token");
        string memory currentBaseURI = _baseURI();
        return bytes(currentBaseURI).length > 0
            ? string(abi.encodePacked(currentBaseURI, _tokenId.toString() ,uriSuffix))
            : "";
    }
}

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

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool result) {
        if (_startTokenId() <= tokenId) {
            if (tokenId < _currentIndex) {
                uint256 packed;
                while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId;
                result = packed & _BITMASK_BURNED == 0;
            }
        }
    }

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

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

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.4;

/**
 * @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);
}

{
  "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":"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":"NFTPerPublicAddress","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"_amountPerAddress","type":"uint8"},{"internalType":"address[]","name":"addresses","type":"address[]"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","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":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"maxMintAmountPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"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":"uint16","name":"_mintAmount","type":"uint16"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"_mintAmount","type":"uint8"}],"name":"publicMint","outputs":[],"stateMutability":"payable","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":"uint16","name":"_maxSupply","type":"uint16"}],"name":"setMaxSupply","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":[],"name":"toggleMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_URI","type":"string"}],"name":"updateBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"updateCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"updateMintAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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