Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

interface IERC721A    - function totalSupply()    - function supportsInterface(bytes4 int ...    - function balanceOf(address owner)    - function ownerOf(uint256 tokenId)    - function safeTransferFrom(    - function safeTransferFrom(    - function transferFrom(    - function approve(address to, uint256 ...    - function setApprovalForAll(address op ...    - function getApproved(uint256 tokenId)    - function isApprovedForAll(address own ...    - function name()    - function symbol()    - function tokenURI(uint256 tokenId) interface ERC721A__IERC721Receiver    - function onERC721Received(  contract ERC721A is IERC721A    - function _startTokenId()    - function _nextTokenId()    - function totalSupply()    - function _totalMinted()    - function _totalBurned()    - function balanceOf(address owner)    - function _numberMinted(address owner)    - function _numberBurned(address owner)    - function _getAux(address owner)    - function _setAux(address owner, uint6 ...    - function supportsInterface(bytes4 int ...    - function name()    - function symbol()    - function tokenURI(uint256 tokenId)    - function _baseURI()    - function ownerOf(uint256 tokenId)    - function _ownershipOf(uint256 tokenId ...    - function _ownershipAt(uint256 index)    - function _initializeOwnershipAt(uint2 ...    - function _packedOwnershipOf(uint256 t ...    - function _unpackedOwnership(uint256 p ...    - function _packOwnershipData(address o ...    - function _nextInitializedFlag(uint256 ...    - function approve(address to, uint256 ...    - function getApproved(uint256 tokenId)    - function setApprovalForAll(address op ...    - function isApprovedForAll(address own ...    - function _exists(uint256 tokenId)    - function _isSenderApprovedOrOwner(    - function _getApprovedSlotAndAddress(u ...    - function transferFrom(    - function safeTransferFrom(    - function safeTransferFrom(    - function _beforeTokenTransfers(    - function _afterTokenTransfers(    - function _checkContractOnERC721Receiv ...    - function _mint(address to, uint256 qu ...    - function _mintERC2309(address to, uin ...    - function _safeMint(    - function _safeMint(address to, uint25 ...    - function _burn(uint256 tokenId)    - function _burn(uint256 tokenId, bool ...    - function _setExtraDataAt(uint256 inde ...    - function _extraData(    - function _nextExtraData(    - function _msgSenderERC721A()    - function _toString(uint256 value)  contract EightBitDogz is ERC721A *    - function mint(uint256 amount)    - function setcost(uint256 cost, uint8 ...    - function maxSupply()    - function tokenURI(uint256 tokenId)    - function withdraw()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2022-09-25
*/

// SPDX-License-Identifier: GPL-3.0



pragma solidity >=0.7.0 <0.9.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

contract EightBitDogz is ERC721A {
    address _owner;
    uint256 _price = 0.001 ether;
    uint256 _maxSupply = 999; 
    uint256 _maxPerTx = 10;

    
    modifier onlyOwner {
        require(_owner == msg.sender, "No Permission");
        _;
    }
    constructor() ERC721A("8BitDogz", "8BD") {
        _owner = msg.sender;
    }
    
    function mint(uint256 amount) payable public {
        require(amount <= _maxPerTx);
        uint256 cost = (amount - 1) * _price;
        require(msg.value >= cost, "Need Ether");
        require(totalSupply() <= _maxSupply, "No More");
        _safeMint(msg.sender, amount);
    }

    function setcost(uint256 cost, uint8 maxper) public onlyOwner {
        _price = cost;
        _maxPerTx = maxper;
    }

    function maxSupply() public view returns (uint256){
        return _maxSupply;
    }

    function tokenURI(uint256 tokenId) public view override returns (string memory) {
        require(_exists(tokenId), "Cannot query non-existent token");
        return string(abi.encodePacked("https://black-negative-whale-730.mypinata.cloud/ipfs/QmdfHRTRtkAJtbJwQwJoPcCYXs3EkuKwPUHvJLCJa3rNyK/", _toString(tokenId), ".json"));
    }
    
    function withdraw() external onlyOwner {
        payable(msg.sender).transfer(address(this).balance);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"cost","type":"uint256"},{"internalType":"uint8","name":"maxper","type":"uint8"}],"name":"setcost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

51070:1337:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18258:639;;;;;;;;;;-1:-1:-1;18258:639:0;;;;;:::i;:::-;;:::i;:::-;;;5677:14:1;;5670:22;5652:41;;5640:2;5625:18;18258:639:0;;;;;;;;19160:100;;;;;;;;;;;;;:::i;:::-;;;;;;;:::i;25643:218::-;;;;;;;;;;-1:-1:-1;25643:218:0;;;;;:::i;:::-;;:::i;:::-;;;-1:-1:-1;;;;;4975:32:1;;;4957:51;;4945:2;4930:18;25643:218:0;4811:203:1;25084:400:0;;;;;;;;;;-1:-1:-1;25084:400:0;;;;;:::i;:::-;;:::i;:::-;;14911:323;;;;;;;;;;-1:-1:-1;15185:12:0;;14972:7;15169:13;:28;14911:323;;;7450:25:1;;;7438:2;7423:18;14911:323:0;7304:177:1;29350:2817:0;;;;;;;;;;-1:-1:-1;29350:2817:0;;;;;:::i;:::-;;:::i;52295:109::-;;;;;;;;;;;;;:::i;32263:185::-;;;;;;;;;;-1:-1:-1;32263:185:0;;;;;:::i;:::-;;:::i;20553:152::-;;;;;;;;;;-1:-1:-1;20553:152:0;;;;;:::i;:::-;;:::i;16095:233::-;;;;;;;;;;-1:-1:-1;16095:233:0;;;;;:::i;:::-;;:::i;51724:123::-;;;;;;;;;;-1:-1:-1;51724:123:0;;;;;:::i;:::-;;:::i;19336:104::-;;;;;;;;;;;;;:::i;51428:288::-;;;;;;:::i;:::-;;:::i;26201:308::-;;;;;;;;;;-1:-1:-1;26201:308:0;;;;;:::i;:::-;;:::i;33046:399::-;;;;;;;;;;-1:-1:-1;33046:399:0;;;;;:::i;:::-;;:::i;51949:334::-;;;;;;;;;;-1:-1:-1;51949:334:0;;;;;:::i;:::-;;:::i;51855:86::-;;;;;;;;;;-1:-1:-1;51923:10:0;;51855:86;;26666:164;;;;;;;;;;-1:-1:-1;26666:164:0;;;;;:::i;:::-;-1:-1:-1;;;;;26787:25:0;;;26763:4;26787:25;;;:18;:25;;;;;;;;:35;;;;;;;;;;;;;;;26666:164;18258:639;18343:4;-1:-1:-1;;;;;;;;;18667:25:0;;;;:102;;-1:-1:-1;;;;;;;;;;18744:25:0;;;18667:102;:179;;;-1:-1:-1;;;;;;;;;;18821:25:0;;;18667:179;18647:199;18258:639;-1:-1:-1;;18258:639:0:o;19160:100::-;19214:13;19247:5;19240:12;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;19160:100;:::o;25643:218::-;25719:7;25744:16;25752:7;25744;:16::i;:::-;25739:64;;25769:34;;-1:-1:-1;;;25769:34:0;;;;;;;;;;;25739:64;-1:-1:-1;25823:24:0;;;;:15;:24;;;;;:30;-1:-1:-1;;;;;25823:30:0;;25643:218::o;25084:400::-;25165:13;25181:16;25189:7;25181;:16::i;:::-;25165:32;-1:-1:-1;48941:10:0;-1:-1:-1;;;;;25214:28:0;;;25210:175;;25262:44;25279:5;48941:10;26666:164;:::i;25262:44::-;25257:128;;25334:35;;-1:-1:-1;;;25334:35:0;;;;;;;;;;;25257:128;25397:24;;;;:15;:24;;;;;;:35;;-1:-1:-1;;;;;;25397:35:0;-1:-1:-1;;;;;25397:35:0;;;;;;;;;25448:28;;25397:24;;25448:28;;;;;;;25154:330;25084:400;;:::o;29350:2817::-;29484:27;29514;29533:7;29514:18;:27::i;:::-;29484:57;;29599:4;-1:-1:-1;;;;;29558:45:0;29574:19;-1:-1:-1;;;;;29558:45:0;;29554:86;;29612:28;;-1:-1:-1;;;29612:28:0;;;;;;;;;;;29554:86;29654:27;28464:24;;;:15;:24;;;;;28686:26;;48941:10;28089:30;;;-1:-1:-1;;;;;27782:28:0;;28067:20;;;28064:56;29840:180;;29933:43;29950:4;48941:10;26666:164;:::i;29933:43::-;29928:92;;29985:35;;-1:-1:-1;;;29985:35:0;;;;;;;;;;;29928:92;-1:-1:-1;;;;;30037:16:0;;30033:52;;30062:23;;-1:-1:-1;;;30062:23:0;;;;;;;;;;;30033:52;30234:15;30231:160;;;30374:1;30353:19;30346:30;30231:160;-1:-1:-1;;;;;30771:24:0;;;;;;;:18;:24;;;;;;30769:26;;-1:-1:-1;;30769:26:0;;;30840:22;;;;;;;;;30838:24;;-1:-1:-1;30838:24:0;;;23942:11;23917:23;23913:41;23900:63;-1:-1:-1;;;23900:63:0;31133:26;;;;:17;:26;;;;;:175;-1:-1:-1;;;31428:47:0;;31424:627;;31533:1;31523:11;;31501:19;31656:30;;;:17;:30;;;;;;31652:384;;31794:13;;31779:11;:28;31775:242;;31941:30;;;;:17;:30;;;;;:52;;;31775:242;31482:569;31424:627;32098:7;32094:2;-1:-1:-1;;;;;32079:27:0;32088:4;-1:-1:-1;;;;;32079:27:0;;;;;;;;;;;29473:2694;;;29350:2817;;;:::o;52295:109::-;51273:6;;-1:-1:-1;;;;;51273:6:0;51283:10;51273:20;51265:46;;;;-1:-1:-1;;;51265:46:0;;6469:2:1;51265:46:0;;;6451:21:1;6508:2;6488:18;;;6481:30;-1:-1:-1;;;6527:18:1;;;6520:43;6580:18;;51265:46:0;;;;;;;;;52345:51:::1;::::0;52353:10:::1;::::0;52374:21:::1;52345:51:::0;::::1;;;::::0;::::1;::::0;;;52374:21;52353:10;52345:51;::::1;;;;;;;;;;;;;::::0;::::1;;;;;;52295:109::o:0;32263:185::-;32401:39;32418:4;32424:2;32428:7;32401:39;;;;;;;;;;;;:16;:39::i;:::-;32263:185;;;:::o;20553:152::-;20625:7;20668:27;20687:7;20668:18;:27::i;16095:233::-;16167:7;-1:-1:-1;;;;;16191:19:0;;16187:60;;16219:28;;-1:-1:-1;;;16219:28:0;;;;;;;;;;;16187:60;-1:-1:-1;;;;;;16265:25:0;;;;;:18;:25;;;;;;10254:13;16265:55;;16095:233::o;51724:123::-;51273:6;;-1:-1:-1;;;;;51273:6:0;51283:10;51273:20;51265:46;;;;-1:-1:-1;;;51265:46:0;;6469:2:1;51265:46:0;;;6451:21:1;6508:2;6488:18;;;6481:30;-1:-1:-1;;;6527:18:1;;;6520:43;6580:18;;51265:46:0;6267:337:1;51265:46:0;51797:6:::1;:13:::0;;;;51821:18:::1;;:9;:18:::0;51724:123::o;19336:104::-;19392:13;19425:7;19418:14;;;;;:::i;51428:288::-;51502:9;;51492:6;:19;;51484:28;;;;;;51553:6;;51523:12;;51539:10;51548:1;51539:6;:10;:::i;:::-;51538:21;;;;:::i;:::-;51523:36;;51591:4;51578:9;:17;;51570:40;;;;-1:-1:-1;;;51570:40:0;;6130:2:1;51570:40:0;;;6112:21:1;6169:2;6149:18;;;6142:30;-1:-1:-1;;;6188:18:1;;;6181:40;6238:18;;51570:40:0;5928:334:1;51570:40:0;51646:10;;15185:12;;14972:7;15169:13;:28;51629:27;;51621:47;;;;-1:-1:-1;;;51621:47:0;;7171:2:1;51621:47:0;;;7153:21:1;7210:1;7190:18;;;7183:29;-1:-1:-1;;;7228:18:1;;;7221:37;7275:18;;51621:47:0;6969:330:1;51621:47:0;51679:29;51689:10;51701:6;51679:9;:29::i;:::-;51473:243;51428:288;:::o;26201:308::-;-1:-1:-1;;;;;26300:31:0;;48941:10;26300:31;26296:61;;;26340:17;;-1:-1:-1;;;26340:17:0;;;;;;;;;;;26296:61;48941:10;26370:39;;;;:18;:39;;;;;;;;-1:-1:-1;;;;;26370:49:0;;;;;;;;;;;;:60;;-1:-1:-1;;26370:60:0;;;;;;;;;;26446:55;;5652:41:1;;;26370:49:0;;48941:10;26446:55;;5625:18:1;26446:55:0;;;;;;;26201:308;;:::o;33046:399::-;33213:31;33226:4;33232:2;33236:7;33213:12;:31::i;:::-;-1:-1:-1;;;;;33259:14:0;;;:19;33255:183;;33298:56;33329:4;33335:2;33339:7;33348:5;33298:30;:56::i;:::-;33293:145;;33382:40;;-1:-1:-1;;;33382:40:0;;;;;;;;;;;33293:145;33046:399;;;;:::o;51949:334::-;52014:13;52048:16;52056:7;52048;:16::i;:::-;52040:60;;;;-1:-1:-1;;;52040:60:0;;6811:2:1;52040:60:0;;;6793:21:1;6850:2;6830:18;;;6823:30;6889:33;6869:18;;;6862:61;6940:18;;52040:60:0;6609:355:1;52040:60:0;52246:18;52256:7;52246:9;:18::i;:::-;52125:149;;;;;;;;:::i;:::-;;;;;;;;;;;;;52111:164;;51949:334;;;:::o;27088:282::-;27153:4;27243:13;;27233:7;:23;27190:153;;;;-1:-1:-1;;27294:26:0;;;;:17;:26;;;;;;-1:-1:-1;;;27294:44:0;:49;;27088:282::o;21708:1275::-;21775:7;21810;21912:13;;21905:4;:20;21901:1015;;;21950:14;21967:23;;;:17;:23;;;;;;-1:-1:-1;;;22056:24:0;;22052:845;;22721:113;22728:11;22721:113;;-1:-1:-1;;;22799:6:0;22781:25;;;;:17;:25;;;;;;22721:113;;;22867:6;21708:1275;-1:-1:-1;;;21708:1275:0:o;22052:845::-;21927:989;21901:1015;22944:31;;-1:-1:-1;;;22944:31:0;;;;;;;;;;;42686:112;42763:27;42773:2;42777:8;42763:27;;;;;;;;;;;;:9;:27::i;35529:716::-;35713:88;;-1:-1:-1;;;35713:88:0;;35692:4;;-1:-1:-1;;;;;35713:45:0;;;;;:88;;48941:10;;35780:4;;35786:7;;35795:5;;35713:88;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;35713:88:0;;;;;;;;-1:-1:-1;;35713:88:0;;;;;;;;;;;;:::i;:::-;;;35709:529;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;35996:13:0;;35992:235;;36042:40;;-1:-1:-1;;;36042:40:0;;;;;;;;;;;35992:235;36185:6;36179:13;36170:6;36166:2;36162:15;36155:38;35709:529;-1:-1:-1;;;;;;35872:64:0;-1:-1:-1;;;35872:64:0;;-1:-1:-1;35529:716:0;;;;;;:::o;49061:2002::-;49538:4;49532:11;;49545:3;49528:21;;49623:17;;;;50319:11;;;50198:5;50485:2;50499;50489:13;;50481:22;50319:11;50468:36;50540:2;50530:13;;50090:731;50559:4;50090:731;;;50750:1;50745:3;50741:11;50734:18;;50801:2;50795:4;50791:13;50787:2;50783:22;50778:3;50770:36;50654:2;50644:13;;50090:731;;;-1:-1:-1;50851:13:0;;;-1:-1:-1;;50966:12:0;;;51026:19;;;50966:12;49061:2002;-1:-1:-1;49061:2002:0:o;41913:689::-;42044:19;42050:2;42054:8;42044:5;:19::i;:::-;-1:-1:-1;;;;;42105:14:0;;;:19;42101:483;;42145:11;42159:13;42207:14;;;42240:233;42271:62;42310:1;42314:2;42318:7;;;;;;42327:5;42271:30;:62::i;:::-;42266:167;;42369:40;;-1:-1:-1;;;42369:40:0;;;;;;;;;;;42266:167;42468:3;42460:5;:11;42240:233;;42555:3;42538:13;;:20;42534:34;;42560:8;;;42534:34;42126:458;;41913:689;;;:::o;36707:2454::-;36780:20;36803:13;36831;36827:44;;36853:18;;-1:-1:-1;;;36853:18:0;;;;;;;;;;;36827:44;-1:-1:-1;;;;;37359:22:0;;;;;;:18;:22;;;;10392:2;37359:22;;;:71;;37397:32;37385:45;;37359:71;;;37673:31;;;:17;:31;;;;;-1:-1:-1;24373:15:0;;24347:24;24343:46;23942:11;23917:23;23913:41;23910:52;23900:63;;37673:173;;37908:23;;;;37673:31;;37359:22;;38407:25;37359:22;;38260:335;38675:1;38661:12;38657:20;38615:346;38716:3;38707:7;38704:16;38615:346;;38934:7;38924:8;38921:1;38894:25;38891:1;38888;38883:59;38769:1;38756:15;38615:346;;;-1:-1:-1;38994:13:0;38990:45;;39016:19;;-1:-1:-1;;;39016:19:0;;;;;;;;;;;38990:45;39052:13;:19;-1:-1:-1;32263:185:0;;;:::o;14:173:1:-;82:20;;-1:-1:-1;;;;;131:31:1;;121:42;;111:70;;177:1;174;167:12;111:70;14:173;;;:::o;192:186::-;251:6;304:2;292:9;283:7;279:23;275:32;272:52;;;320:1;317;310:12;272:52;343:29;362:9;343:29;:::i;383:260::-;451:6;459;512:2;500:9;491:7;487:23;483:32;480:52;;;528:1;525;518:12;480:52;551:29;570:9;551:29;:::i;:::-;541:39;;599:38;633:2;622:9;618:18;599:38;:::i;:::-;589:48;;383:260;;;;;:::o;648:328::-;725:6;733;741;794:2;782:9;773:7;769:23;765:32;762:52;;;810:1;807;800:12;762:52;833:29;852:9;833:29;:::i;:::-;823:39;;881:38;915:2;904:9;900:18;881:38;:::i;:::-;871:48;;966:2;955:9;951:18;938:32;928:42;;648:328;;;;;:::o;981:1138::-;1076:6;1084;1092;1100;1153:3;1141:9;1132:7;1128:23;1124:33;1121:53;;;1170:1;1167;1160:12;1121:53;1193:29;1212:9;1193:29;:::i;:::-;1183:39;;1241:38;1275:2;1264:9;1260:18;1241:38;:::i;:::-;1231:48;;1326:2;1315:9;1311:18;1298:32;1288:42;;1381:2;1370:9;1366:18;1353:32;1404:18;1445:2;1437:6;1434:14;1431:34;;;1461:1;1458;1451:12;1431:34;1499:6;1488:9;1484:22;1474:32;;1544:7;1537:4;1533:2;1529:13;1525:27;1515:55;;1566:1;1563;1556:12;1515:55;1602:2;1589:16;1624:2;1620;1617:10;1614:36;;;1630:18;;:::i;:::-;1705:2;1699:9;1673:2;1759:13;;-1:-1:-1;;1755:22:1;;;1779:2;1751:31;1747:40;1735:53;;;1803:18;;;1823:22;;;1800:46;1797:72;;;1849:18;;:::i;:::-;1889:10;1885:2;1878:22;1924:2;1916:6;1909:18;1964:7;1959:2;1954;1950;1946:11;1942:20;1939:33;1936:53;;;1985:1;1982;1975:12;1936:53;2041:2;2036;2032;2028:11;2023:2;2015:6;2011:15;1998:46;2086:1;2081:2;2076;2068:6;2064:15;2060:24;2053:35;2107:6;2097:16;;;;;;;981:1138;;;;;;;:::o;2124:347::-;2189:6;2197;2250:2;2238:9;2229:7;2225:23;2221:32;2218:52;;;2266:1;2263;2256:12;2218:52;2289:29;2308:9;2289:29;:::i;:::-;2279:39;;2368:2;2357:9;2353:18;2340:32;2415:5;2408:13;2401:21;2394:5;2391:32;2381:60;;2437:1;2434;2427:12;2381:60;2460:5;2450:15;;;2124:347;;;;;:::o;2476:254::-;2544:6;2552;2605:2;2593:9;2584:7;2580:23;2576:32;2573:52;;;2621:1;2618;2611:12;2573:52;2644:29;2663:9;2644:29;:::i;:::-;2634:39;2720:2;2705:18;;;;2692:32;;-1:-1:-1;;;2476:254:1:o;2735:245::-;2793:6;2846:2;2834:9;2825:7;2821:23;2817:32;2814:52;;;2862:1;2859;2852:12;2814:52;2901:9;2888:23;2920:30;2944:5;2920:30;:::i;2985:249::-;3054:6;3107:2;3095:9;3086:7;3082:23;3078:32;3075:52;;;3123:1;3120;3113:12;3075:52;3155:9;3149:16;3174:30;3198:5;3174:30;:::i;3239:180::-;3298:6;3351:2;3339:9;3330:7;3326:23;3322:32;3319:52;;;3367:1;3364;3357:12;3319:52;-1:-1:-1;3390:23:1;;3239:180;-1:-1:-1;3239:180:1:o;3424:337::-;3490:6;3498;3551:2;3539:9;3530:7;3526:23;3522:32;3519:52;;;3567:1;3564;3557:12;3519:52;3603:9;3590:23;3580:33;;3663:2;3652:9;3648:18;3635:32;3707:4;3700:5;3696:16;3689:5;3686:27;3676:55;;3727:1;3724;3717:12;3766:257;3807:3;3845:5;3839:12;3872:6;3867:3;3860:19;3888:63;3944:6;3937:4;3932:3;3928:14;3921:4;3914:5;3910:16;3888:63;:::i;:::-;4005:2;3984:15;-1:-1:-1;;3980:29:1;3971:39;;;;4012:4;3967:50;;3766:257;-1:-1:-1;;3766:257:1:o;4028:778::-;4391:34;4386:3;4379:47;4456:34;4451:2;4446:3;4442:12;4435:56;4521:34;4516:2;4511:3;4507:12;4500:56;-1:-1:-1;;;4581:2:1;4576:3;4572:12;4565:28;4361:3;4622:6;4616:13;4638:61;4692:6;4686:3;4681;4677:13;4672:2;4664:6;4660:15;4638:61;:::i;:::-;-1:-1:-1;;;4758:3:1;4718:16;;;;4750:12;;;4743:29;-1:-1:-1;4796:3:1;4788:12;;4028:778;-1:-1:-1;4028:778:1:o;5019:488::-;-1:-1:-1;;;;;5288:15:1;;;5270:34;;5340:15;;5335:2;5320:18;;5313:43;5387:2;5372:18;;5365:34;;;5435:3;5430:2;5415:18;;5408:31;;;5213:4;;5456:45;;5481:19;;5473:6;5456:45;:::i;:::-;5448:53;5019:488;-1:-1:-1;;;;;;5019:488:1:o;5704:219::-;5853:2;5842:9;5835:21;5816:4;5873:44;5913:2;5902:9;5898:18;5890:6;5873:44;:::i;7486:168::-;7526:7;7592:1;7588;7584:6;7580:14;7577:1;7574:21;7569:1;7562:9;7555:17;7551:45;7548:71;;;7599:18;;:::i;:::-;-1:-1:-1;7639:9:1;;7486:168::o;7659:125::-;7699:4;7727:1;7724;7721:8;7718:34;;;7732:18;;:::i;:::-;-1:-1:-1;7769:9:1;;7659:125::o;7789:258::-;7861:1;7871:113;7885:6;7882:1;7879:13;7871:113;;;7961:11;;;7955:18;7942:11;;;7935:39;7907:2;7900:10;7871:113;;;8002:6;7999:1;7996:13;7993:48;;;-1:-1:-1;;8037:1:1;8019:16;;8012:27;7789:258::o;8052:380::-;8131:1;8127:12;;;;8174;;;8195:61;;8249:4;8241:6;8237:17;8227:27;;8195:61;8302:2;8294:6;8291:14;8271:18;8268:38;8265:161;;;8348:10;8343:3;8339:20;8336:1;8329:31;8383:4;8380:1;8373:15;8411:4;8408:1;8401:15;8265:161;;8052:380;;;:::o;8437:127::-;8498:10;8493:3;8489:20;8486:1;8479:31;8529:4;8526:1;8519:15;8553:4;8550:1;8543:15;8569:127;8630:10;8625:3;8621:20;8618:1;8611:31;8661:4;8658:1;8651:15;8685:4;8682:1;8675:15;8701:131;-1:-1:-1;;;;;;8775:32:1;;8765:43;;8755:71;;8822:1;8819;8812:12

ipfs://978977ba86a1eb21bbefce19c0ea27bb88ad818718c3ce31ab0bcc5afe8ebed6