Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// Deployed with the Atlas IDE
// https://app.atlaszk.com/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/interfaces/IERC2981.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";

contract XCAT is ERC721A, Ownable, ERC2981 {
    uint256 public _maxSupply = 5555;
    uint256 public _mintPrice = 0.0025 ether;
    uint256 public _maxMintPerTx = 20;
    uint256 public _maxFreeMintPerAddr = 3;
    uint256 public _maxFreeMintSupply = 2000;

    using Strings for uint256;

    string public baseURI;
    mapping(address => uint256) private _mintedFreeAmount;

    // Royalties
    address public royaltyAdd;

    constructor(string memory initBaseURI, address initialOwner) ERC721A("X Catz", "XCAT") Ownable(initialOwner) {
        baseURI = initBaseURI;
        setDefaultRoyalty(msg.sender, 150); // 15%
    }

    // Set default royalty account & percentage
    function setDefaultRoyalty(address _receiver, uint96 _feeNumerator) public {
        royaltyAdd = _receiver;
        _setDefaultRoyalty(_receiver, _feeNumerator);
    }

    // Set token specific royalty
    function setTokenRoyalty(uint256 tokenId, uint96 feeNumerator) external onlyOwner {
        _setTokenRoyalty(tokenId, royaltyAdd, feeNumerator);
    }

    function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view override returns (address, uint256) {
        (, uint256 royaltyAmt) = super.royaltyInfo(_tokenId, _salePrice);
        return (royaltyAdd, royaltyAmt);
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721A, ERC2981) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || interfaceId == 0x01ffc9a7 // ERC165 interface ID for ERC165.
            || interfaceId == 0x80ac58cd // ERC165 interface ID for ERC721.
            || interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    function mint(uint256 count) external payable {
        require(tx.origin == msg.sender, "Contracts cannot call this function.");
        uint256 cost = _mintPrice;
        bool isFree = (
            (totalSupply() + count < _maxFreeMintSupply + 1)
                && (_mintedFreeAmount[msg.sender] + count <= _maxFreeMintPerAddr)
        ) || (msg.sender == owner());

        if (isFree) {
            cost = 0;
        }

        require(msg.value >= count * cost, "Please send the exact amount.");
        require(totalSupply() + count < _maxSupply + 1, "Sold out!");
        require(count < _maxMintPerTx + 1, "Max per TX reached.");

        if (isFree) {
            _mintedFreeAmount[msg.sender] += count;
        }

        _safeMint(msg.sender, count);
    }

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

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
        return string(abi.encodePacked(baseURI, tokenId.toString(), ".json"));
    }

    function setBaseURI(string memory uri) public onlyOwner {
        baseURI = uri;
    }

    function setFreeAmount(uint256 amount) external onlyOwner {
        _maxFreeMintSupply = amount;
    }

    function setPrice(uint256 _newPrice) external onlyOwner {
        _mintPrice = _newPrice;
    }

    function setMaxMintPerTx(uint256 _newMaxMintPerTx) external onlyOwner {
        _maxMintPerTx = _newMaxMintPerTx;
    }

    function withdraw() public payable onlyOwner {
        (bool success,) = payable(msg.sender).call{value: address(this).balance}("");
        require(success, "Withdraw failed");
    }
}

// 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
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)

pragma solidity ^0.8.20;

import {Math} from "./math/Math.sol";
import {SignedMath} from "./math/SignedMath.sol";

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

    /**
     * @dev The `value` string doesn't fit in the specified `length`.
     */
    error StringsInsufficientHexLength(uint256 value, uint256 length);

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

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

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

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        uint256 localValue = value;
        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_DIGITS[localValue & 0xf];
            localValue >>= 4;
        }
        if (localValue != 0) {
            revert StringsInsufficientHexLength(value, length);
        }
        return string(buffer);
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.20;

import {IERC165} from "../utils/introspection/IERC165.sol";

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.20;

import {IERC2981} from "../../interfaces/IERC2981.sol";
import {IERC165, ERC165} from "../../utils/introspection/ERC165.sol";

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

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

    /**
     * @dev The default royalty set is invalid (eg. (numerator / denominator) >= 1).
     */
    error ERC2981InvalidDefaultRoyalty(uint256 numerator, uint256 denominator);

    /**
     * @dev The default royalty receiver is invalid.
     */
    error ERC2981InvalidDefaultRoyaltyReceiver(address receiver);

    /**
     * @dev The royalty set for an specific `tokenId` is invalid (eg. (numerator / denominator) >= 1).
     */
    error ERC2981InvalidTokenRoyalty(uint256 tokenId, uint256 numerator, uint256 denominator);

    /**
     * @dev The royalty receiver for `tokenId` is invalid.
     */
    error ERC2981InvalidTokenRoyaltyReceiver(uint256 tokenId, address receiver);

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

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

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

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

        return (royalty.receiver, royaltyAmount);
    }

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

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        uint256 denominator = _feeDenominator();
        if (feeNumerator > denominator) {
            // Royalty fee will exceed the sale price
            revert ERC2981InvalidDefaultRoyalty(feeNumerator, denominator);
        }
        if (receiver == address(0)) {
            revert ERC2981InvalidDefaultRoyaltyReceiver(address(0));
        }

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

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

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual {
        uint256 denominator = _feeDenominator();
        if (feeNumerator > denominator) {
            // Royalty fee will exceed the sale price
            revert ERC2981InvalidTokenRoyalty(tokenId, feeNumerator, denominator);
        }
        if (receiver == address(0)) {
            revert ERC2981InvalidTokenRoyaltyReceiver(tokenId, address(0));
        }

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

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

// SPDX-License-Identifier: MIT
// 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 (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

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

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

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

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            return a / b;
        }

        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

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

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

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

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

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

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

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.20;

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "./IERC165.sol";

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

{
  "remappings": [
    "@openzeppelin/=node_modules/@openzeppelin/",
    "@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc721a/=node_modules/erc721a/",
    "forge-std/=lib/forge-std/src/",
    "lib/forge-std:ds-test/=lib/forge-std/lib/ds-test/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "debug": {
    "revertStrings": "default"
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"initBaseURI","type":"string"},{"internalType":"address","name":"initialOwner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"ERC2981InvalidDefaultRoyalty","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC2981InvalidDefaultRoyaltyReceiver","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"numerator","type":"uint256"},{"internalType":"uint256","name":"denominator","type":"uint256"}],"name":"ERC2981InvalidTokenRoyalty","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC2981InvalidTokenRoyaltyReceiver","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","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":[],"name":"_maxFreeMintPerAddr","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_maxFreeMintSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_maxMintPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"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":[{"internalType":"uint256","name":"count","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"royaltyAdd","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"uint96","name":"_feeNumerator","type":"uint96"}],"name":"setDefaultRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setFreeAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxMintPerTx","type":"uint256"}],"name":"setMaxMintPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint96","name":"feeNumerator","type":"uint96"}],"name":"setTokenRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}]

60806040526115b3600b556608e1bc9bf04000600c556014600d556003600e556107d0600f553480156200003257600080fd5b506040516200219838038062002198833981016040819052620000559162000270565b80604051806040016040528060068152602001652c1021b0ba3d60d11b815250604051806040016040528060048152602001631610d05560e21b8152508160029081620000a39190620003e7565b506003620000b28282620003e7565b506000805550506001600160a01b038116620000e957604051631e4fbdf760e01b8152600060048201526024015b60405180910390fd5b620000f48162000119565b506010620001038382620003e7565b50620001113360966200016b565b5050620004b3565b600880546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b601280546001600160a01b0319166001600160a01b03841617905562000192828262000196565b5050565b6127106001600160601b038216811015620001d757604051636f483d0960e01b81526001600160601b038316600482015260248101829052604401620000e0565b6001600160a01b0383166200020357604051635b6cc80560e11b815260006004820152602401620000e0565b50604080518082019091526001600160a01b039092168083526001600160601b039091166020909201829052600160a01b90910217600955565b634e487b7160e01b600052604160045260246000fd5b80516001600160a01b03811681146200026b57600080fd5b919050565b600080604083850312156200028457600080fd5b82516001600160401b03808211156200029c57600080fd5b818501915085601f830112620002b157600080fd5b815181811115620002c657620002c66200023d565b604051601f8201601f19908116603f01168101908382118183101715620002f157620002f16200023d565b816040528281526020935088848487010111156200030e57600080fd5b600091505b8282101562000332578482018401518183018501529083019062000313565b60008484830101528096505050506200034d81860162000253565b925050509250929050565b600181811c908216806200036d57607f821691505b6020821081036200038e57634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115620003e257600081815260208120601f850160051c81016020861015620003bd5750805b601f850160051c820191505b81811015620003de57828155600101620003c9565b5050505b505050565b81516001600160401b038111156200040357620004036200023d565b6200041b8162000414845462000358565b8462000394565b602080601f8311600181146200045357600084156200043a5750858301515b600019600386901b1c1916600185901b178555620003de565b600085815260208120601f198616915b82811015620004845788860151825594840194600190910190840162000463565b5085821015620004a35787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b611cd580620004c36000396000f3fe6080604052600436106101ee5760003560e01c80636352211e1161010d57806395d89b41116100a0578063b88d4fde1161006f578063b88d4fde14610533578063c87b56dd14610546578063de314a5914610566578063e985e9c51461057c578063f2fde38b1461059c57600080fd5b806395d89b41146104d55780639cb57d20146104ea578063a0712d6814610500578063a22cb4651461051357600080fd5b8063715018a6116100dc578063715018a6146104625780638da5cb5b1461047757806391b7f5ed1461049557806392910eec146104b557600080fd5b80636352211e146103ed57806367a4f4a91461040d5780636c0360eb1461042d57806370a082311461044257600080fd5b806322f4596f1161018557806342842e0e1161015457806342842e0e1461038457806355f804b3146103975780635e1c4b60146103b7578063616cdb1e146103cd57600080fd5b806322f4596f1461031457806323b872dd1461032a5780632a55205a1461033d5780633ccfd60b1461037c57600080fd5b8063081812fc116101c1578063081812fc14610290578063095ea7b3146102c857806318160ddd146102db57806319086692146102f457600080fd5b806301ffc9a7146101f35780630387da421461022857806304634d8d1461024c57806306fdde031461026e575b600080fd5b3480156101ff57600080fd5b5061021361020e366004611690565b6105bc565b60405190151581526020015b60405180910390f35b34801561023457600080fd5b5061023e600c5481565b60405190815260200161021f565b34801561025857600080fd5b5061026c6102673660046116e0565b610629565b005b34801561027a57600080fd5b50610283610652565b60405161021f9190611763565b34801561029c57600080fd5b506102b06102ab366004611776565b6106e4565b6040516001600160a01b03909116815260200161021f565b61026c6102d636600461178f565b610728565b3480156102e757600080fd5b506001546000540361023e565b34801561030057600080fd5b506012546102b0906001600160a01b031681565b34801561032057600080fd5b5061023e600b5481565b61026c6103383660046117b9565b6107c8565b34801561034957600080fd5b5061035d6103583660046117f5565b610961565b604080516001600160a01b03909316835260208301919091520161021f565b61026c610988565b61026c6103923660046117b9565b610a22565b3480156103a357600080fd5b5061026c6103b23660046118a3565b610a42565b3480156103c357600080fd5b5061023e600f5481565b3480156103d957600080fd5b5061026c6103e8366004611776565b610a56565b3480156103f957600080fd5b506102b0610408366004611776565b610a63565b34801561041957600080fd5b5061026c6104283660046118ec565b610a6e565b34801561043957600080fd5b50610283610a8e565b34801561044e57600080fd5b5061023e61045d36600461190f565b610b1c565b34801561046e57600080fd5b5061026c610b6b565b34801561048357600080fd5b506008546001600160a01b03166102b0565b3480156104a157600080fd5b5061026c6104b0366004611776565b610b7f565b3480156104c157600080fd5b5061026c6104d0366004611776565b610b8c565b3480156104e157600080fd5b50610283610b99565b3480156104f657600080fd5b5061023e600e5481565b61026c61050e366004611776565b610ba8565b34801561051f57600080fd5b5061026c61052e36600461192a565b610db9565b61026c610541366004611966565b610e25565b34801561055257600080fd5b50610283610561366004611776565b610e6f565b34801561057257600080fd5b5061023e600d5481565b34801561058857600080fd5b506102136105973660046119e2565b610f10565b3480156105a857600080fd5b5061026c6105b736600461190f565b610f3e565b60006001600160e01b0319821663152a902d60e11b14806105ed57506301ffc9a760e01b6001600160e01b03198316145b8061060857506380ac58cd60e01b6001600160e01b03198316145b806106235750635b5e139f60e01b6001600160e01b03198316145b92915050565b601280546001600160a01b0319166001600160a01b03841617905561064e8282610f79565b5050565b60606002805461066190611a0c565b80601f016020809104026020016040519081016040528092919081815260200182805461068d90611a0c565b80156106da5780601f106106af576101008083540402835291602001916106da565b820191906000526020600020905b8154815290600101906020018083116106bd57829003601f168201915b5050505050905090565b60006106ef8261101c565b61070c576040516333d1c03960e21b815260040160405180910390fd5b506000908152600660205260409020546001600160a01b031690565b600061073382610a63565b9050336001600160a01b0382161461076c5761074f8133610f10565b61076c576040516367d9dca160e11b815260040160405180910390fd5b60008281526006602052604080822080546001600160a01b0319166001600160a01b0387811691821790925591518593918516917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591a4505050565b60006107d382611043565b9050836001600160a01b0316816001600160a01b0316146108065760405162a1148160e81b815260040160405180910390fd5b60008281526006602052604090208054338082146001600160a01b03881690911417610853576108368633610f10565b61085357604051632ce44b5f60e11b815260040160405180910390fd5b6001600160a01b03851661087a57604051633a954ecd60e21b815260040160405180910390fd5b801561088557600082555b6001600160a01b038681166000908152600560205260408082208054600019019055918716808252919020805460010190554260a01b17600160e11b17600085815260046020526040812091909155600160e11b84169003610917576001840160008181526004602052604081205490036109155760005481146109155760008181526004602052604090208490555b505b83856001600160a01b0316876001600160a01b03167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a45b505050505050565b600080600061097085856110b1565b6012546001600160a01b031697909650945050505050565b61099061115d565b604051600090339047908381818185875af1925050503d80600081146109d2576040519150601f19603f3d011682016040523d82523d6000602084013e6109d7565b606091505b5050905080610a1f5760405162461bcd60e51b815260206004820152600f60248201526e15da5d1a191c985dc819985a5b1959608a1b60448201526064015b60405180910390fd5b50565b610a3d83838360405180602001604052806000815250610e25565b505050565b610a4a61115d565b601061064e8282611a8c565b610a5e61115d565b600d55565b600061062382611043565b610a7661115d565b60125461064e9083906001600160a01b03168361118a565b60108054610a9b90611a0c565b80601f0160208091040260200160405190810160405280929190818152602001828054610ac790611a0c565b8015610b145780601f10610ae957610100808354040283529160200191610b14565b820191906000526020600020905b815481529060010190602001808311610af757829003601f168201915b505050505081565b60006001600160a01b038216610b45576040516323d3ad8160e21b815260040160405180910390fd5b506001600160a01b031660009081526005602052604090205467ffffffffffffffff1690565b610b7361115d565b610b7d600061124c565b565b610b8761115d565b600c55565b610b9461115d565b600f55565b60606003805461066190611a0c565b323314610c035760405162461bcd60e51b8152602060048201526024808201527f436f6e7472616374732063616e6e6f742063616c6c20746869732066756e637460448201526334b7b71760e11b6064820152608401610a16565b600c54600f54600090610c17906001611b62565b83610c256001546000540390565b610c2f9190611b62565b108015610c585750600e5433600090815260116020526040902054610c55908590611b62565b11155b80610c6d57506008546001600160a01b031633145b90508015610c7a57600091505b610c848284611b75565b341015610cd35760405162461bcd60e51b815260206004820152601d60248201527f506c656173652073656e642074686520657861637420616d6f756e742e0000006044820152606401610a16565b600b54610ce1906001611b62565b83610cef6001546000540390565b610cf99190611b62565b10610d325760405162461bcd60e51b8152602060048201526009602482015268536f6c64206f75742160b81b6044820152606401610a16565b600d54610d40906001611b62565b8310610d845760405162461bcd60e51b815260206004820152601360248201527226b0bc103832b9102a2c103932b0b1b432b21760691b6044820152606401610a16565b8015610daf573360009081526011602052604081208054859290610da9908490611b62565b90915550505b610a3d338461129e565b3360008181526007602090815260408083206001600160a01b03871680855290835292819020805460ff191686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b610e308484846107c8565b6001600160a01b0383163b15610e6957610e4c848484846112b8565b610e69576040516368d2bf6b60e11b815260040160405180910390fd5b50505050565b6060610e7a8261101c565b610ede5760405162461bcd60e51b815260206004820152602f60248201527f4552433732314d657461646174613a2055524920717565727920666f72206e6f60448201526e3732bc34b9ba32b73a103a37b5b2b760891b6064820152608401610a16565b6010610ee9836113a4565b604051602001610efa929190611b8c565b6040516020818303038152906040529050919050565b6001600160a01b03918216600090815260076020908152604080832093909416825291909152205460ff1690565b610f4661115d565b6001600160a01b038116610f7057604051631e4fbdf760e01b815260006004820152602401610a16565b610a1f8161124c565b6127106001600160601b038216811015610fb857604051636f483d0960e01b81526001600160601b038316600482015260248101829052604401610a16565b6001600160a01b038316610fe257604051635b6cc80560e11b815260006004820152602401610a16565b50604080518082019091526001600160a01b039092168083526001600160601b039091166020909201829052600160a01b90910217600955565b6000805482108015610623575050600090815260046020526040902054600160e01b161590565b6000816000548110156110985760008181526004602052604081205490600160e01b82169003611096575b8060000361108f57506000190160008181526004602052604090205461106e565b9392505050565b505b604051636f96cda160e11b815260040160405180910390fd5b6000828152600a602090815260408083208151808301909252546001600160a01b038116808352600160a01b9091046001600160601b03169282019290925282916111265750604080518082019091526009546001600160a01b0381168252600160a01b90046001600160601b031660208201525b602081015160009061271090611145906001600160601b031687611b75565b61114f9190611c23565b915196919550909350505050565b6008546001600160a01b03163314610b7d5760405163118cdaa760e01b8152336004820152602401610a16565b6127106001600160601b0382168110156111d05760405163dfd1fc1b60e01b8152600481018590526001600160601b038316602482015260448101829052606401610a16565b6001600160a01b03831661120157604051634b4f842960e11b81526004810185905260006024820152604401610a16565b506040805180820182526001600160a01b0393841681526001600160601b0392831660208083019182526000968752600a90529190942093519051909116600160a01b029116179055565b600880546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b61064e828260405180602001604052806000815250611437565b604051630a85bd0160e11b81526000906001600160a01b0385169063150b7a02906112ed903390899088908890600401611c45565b6020604051808303816000875af1925050508015611328575060408051601f3d908101601f1916820190925261132591810190611c82565b60015b611386573d808015611356576040519150601f19603f3d011682016040523d82523d6000602084013e61135b565b606091505b50805160000361137e576040516368d2bf6b60e11b815260040160405180910390fd5b805181602001fd5b6001600160e01b031916630a85bd0160e11b1490505b949350505050565b606060006113b1836114a4565b600101905060008167ffffffffffffffff8111156113d1576113d1611817565b6040519080825280601f01601f1916602001820160405280156113fb576020820181803683370190505b5090508181016020015b600019016f181899199a1a9b1b9c1cb0b131b232b360811b600a86061a8153600a850494508461140557509392505050565b611441838361157c565b6001600160a01b0383163b15610a3d576000548281035b61146b60008683806001019450866112b8565b611488576040516368d2bf6b60e11b815260040160405180910390fd5b81811061145857816000541461149d57600080fd5b5050505050565b60008072184f03e93ff9f4daa797ed6e38ed64bf6a1f0160401b83106114e35772184f03e93ff9f4daa797ed6e38ed64bf6a1f0160401b830492506040015b6d04ee2d6d415b85acef8100000000831061150f576d04ee2d6d415b85acef8100000000830492506020015b662386f26fc10000831061152d57662386f26fc10000830492506010015b6305f5e1008310611545576305f5e100830492506008015b612710831061155957612710830492506004015b6064831061156b576064830492506002015b600a83106106235760010192915050565b60008054908290036115a15760405163b562e8dd60e01b815260040160405180910390fd5b6001600160a01b03831660008181526005602090815260408083208054680100000000000000018802019055848352600490915281206001851460e11b4260a01b178317905582840190839083907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8180a4600183015b81811461165057808360007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef600080a4600101611618565b508160000361167157604051622e076360e81b815260040160405180910390fd5b60005550505050565b6001600160e01b031981168114610a1f57600080fd5b6000602082840312156116a257600080fd5b813561108f8161167a565b80356001600160a01b03811681146116c457600080fd5b919050565b80356001600160601b03811681146116c457600080fd5b600080604083850312156116f357600080fd5b6116fc836116ad565b915061170a602084016116c9565b90509250929050565b60005b8381101561172e578181015183820152602001611716565b50506000910152565b6000815180845261174f816020860160208601611713565b601f01601f19169290920160200192915050565b60208152600061108f6020830184611737565b60006020828403121561178857600080fd5b5035919050565b600080604083850312156117a257600080fd5b6117ab836116ad565b946020939093013593505050565b6000806000606084860312156117ce57600080fd5b6117d7846116ad565b92506117e5602085016116ad565b9150604084013590509250925092565b6000806040838503121561180857600080fd5b50508035926020909101359150565b634e487b7160e01b600052604160045260246000fd5b600067ffffffffffffffff8084111561184857611848611817565b604051601f8501601f19908116603f0116810190828211818310171561187057611870611817565b8160405280935085815286868601111561188957600080fd5b858560208301376000602087830101525050509392505050565b6000602082840312156118b557600080fd5b813567ffffffffffffffff8111156118cc57600080fd5b8201601f810184136118dd57600080fd5b61139c8482356020840161182d565b600080604083850312156118ff57600080fd5b8235915061170a602084016116c9565b60006020828403121561192157600080fd5b61108f826116ad565b6000806040838503121561193d57600080fd5b611946836116ad565b91506020830135801515811461195b57600080fd5b809150509250929050565b6000806000806080858703121561197c57600080fd5b611985856116ad565b9350611993602086016116ad565b925060408501359150606085013567ffffffffffffffff8111156119b657600080fd5b8501601f810187136119c757600080fd5b6119d68782356020840161182d565b91505092959194509250565b600080604083850312156119f557600080fd5b6119fe836116ad565b915061170a602084016116ad565b600181811c90821680611a2057607f821691505b602082108103611a4057634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115610a3d57600081815260208120601f850160051c81016020861015611a6d5750805b601f850160051c820191505b8181101561095957828155600101611a79565b815167ffffffffffffffff811115611aa657611aa6611817565b611aba81611ab48454611a0c565b84611a46565b602080601f831160018114611aef5760008415611ad75750858301515b600019600386901b1c1916600185901b178555610959565b600085815260208120601f198616915b82811015611b1e57888601518255948401946001909101908401611aff565b5085821015611b3c5787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b634e487b7160e01b600052601160045260246000fd5b8082018082111561062357610623611b4c565b808202811582820484141761062357610623611b4c565b6000808454611b9a81611a0c565b60018281168015611bb25760018114611bc757611bf6565b60ff1984168752821515830287019450611bf6565b8860005260208060002060005b85811015611bed5781548a820152908401908201611bd4565b50505082870194505b505050508351611c0a818360208801611713565b64173539b7b760d91b9101908152600501949350505050565b600082611c4057634e487b7160e01b600052601260045260246000fd5b500490565b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090611c7890830184611737565b9695505050505050565b600060208284031215611c9457600080fd5b815161108f8161167a56fea2646970667358221220275ca128f2f85dde0cbf67544e6f8486ce5e9128b728320e14af958d86282ce464736f6c63430008150033000000000000000000000000000000000000000000000000000000000000004000000000000000000000000096be4a76930f5b6bb84a4b2e5689e551247838ba0000000000000000000000000000000000000000000000000000000000000036697066733a2f2f516d556e45477155325337334a797845515152526d747a5557776a54387377633248644742764c644d4b4c3847772f00000000000000000000

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

000000000000000000000000000000000000000000000000000000000000004000000000000000000000000096be4a76930f5b6bb84a4b2e5689e551247838ba0000000000000000000000000000000000000000000000000000000000000036697066733a2f2f516d556e45477155325337334a797845515152526d747a5557776a54387377633248644742764c644d4b4c3847772f00000000000000000000

-----Decoded View---------------
Arg [0] : initBaseURI (string): ipfs://QmUnEGqU2S73JyxEQQRRmtzUWwjT8swc2HdGBvLdMKL8Gw/
Arg [1] : initialOwner (address): 0x96Be4A76930F5B6Bb84a4B2e5689E551247838BA

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 00000000000000000000000096be4a76930f5b6bb84a4b2e5689e551247838ba
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000036
Arg [3] : 697066733a2f2f516d556e45477155325337334a797845515152526d747a5557
Arg [4] : 776a54387377633248644742764c644d4b4c3847772f00000000000000000000