{"sources":{"contracts/WildDuckNFT.sol":{"content":"// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.28;\r\n\r\nimport \"erc721a/contracts/ERC721A.sol\";\r\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\r\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\r\n\r\ninterface IAgentIdRegistry {\r\n    function handleOf(address wallet) external view returns (string memory);\r\n    function ownerOf(uint256 tokenId) external view returns (address);\r\n}\r\n\r\ncontract WildDuckNFT is ERC721A, Ownable {\r\n    using Strings for uint256;\r\n\r\n    string public baseURI;\r\n    IERC20 public wduckToken;\r\n\r\n    uint256 public constant MINT_PRICE = 0.001 ether;\r\n    uint256 public constant FREE_LIMIT = 1000;\r\n    uint256 public constant MAX_SUPPLY = 4444;\r\n    uint256 public constant MAX_FREE_PER_WALLET = 1;\r\n\r\n    uint256 public constant FREE_REWARD = 100 * 10**18;\r\n    uint256 public constant PREMIUM_REWARD = 10000 * 10**18;\r\n\r\n    mapping(address => uint256) public freeMintCount;\r\n\r\n    // ---------------- Agent ID gate ----------------\r\n    IAgentIdRegistry public agentRegistry = IAgentIdRegistry(0x60B9262456dE011F7d15a54CdD8c48bAaa8B022F);\r\n    bool public requireAgentId = true;          // false = mint open to everyone\r\n    mapping(uint256 => string) public agentOf;  // tokenId => minter's Agent ID handle\r\n\r\n    error NoAgentId();\r\n    error BadValue();\r\n\r\n    event BaseURIUpdated(string newBaseURI);\r\n    event AgentMinted(address indexed to, uint256 indexed tokenId, string agent);\r\n\r\n    constructor(string memory _baseURI) ERC721A(\"Wild Duck\", \"WDNFT\") Ownable(msg.sender) {\r\n        baseURI = _baseURI;\r\n    }\r\n\r\n    // ---------------- agent id gate ----------------\r\n\r\n    /// @notice The wallet's Agent ID handle, or \"\" when it has none. A wallet counts only when the\r\n    ///         handle exists and the identity piece for that handle is owned by the same wallet.\r\n    function _agentHandle(address wallet) internal view returns (string memory) {\r\n        try agentRegistry.handleOf(wallet) returns (string memory handle) {\r\n            if (bytes(handle).length == 0) return \"\";\r\n            try agentRegistry.ownerOf(uint256(keccak256(bytes(handle)))) returns (address holder) {\r\n                return holder == wallet ? handle : \"\";\r\n            } catch {\r\n                return \"\";\r\n            }\r\n        } catch {\r\n            return \"\";\r\n        }\r\n    }\r\n\r\n    function hasAgentId(address wallet) public view returns (bool) {\r\n        if (wallet == address(0)) return false;\r\n        return bytes(_agentHandle(wallet)).length != 0;\r\n    }\r\n\r\n    function setRequireAgentId(bool required) external onlyOwner {\r\n        requireAgentId = required;\r\n    }\r\n\r\n    function setAgentRegistry(address registry) external onlyOwner {\r\n        if (registry == address(0)) revert BadValue();\r\n        agentRegistry = IAgentIdRegistry(registry);\r\n    }\r\n\r\n    // ---------------- admin ----------------\r\n\r\n    function setToken(address _token) external onlyOwner {\r\n        wduckToken = IERC20(_token);\r\n    }\r\n\r\n    function isPremium(uint256 tokenId) external pure returns (bool) {\r\n        return tokenId >= FREE_LIMIT;\r\n    }\r\n\r\n    function setBaseURI(string memory _newBaseURI) external onlyOwner {\r\n        baseURI = _newBaseURI;\r\n        emit BaseURIUpdated(_newBaseURI);\r\n    }\r\n\r\n    function _startTokenId() internal pure override returns (uint256) {\r\n        return 0;\r\n    }\r\n\r\n    // ---------------- mint ----------------\r\n\r\n    function mint(uint256 quantity) external payable {\r\n        require(quantity > 0, \"Zero quantity\");\r\n        uint256 startTokenId = _nextTokenId();\r\n        require(startTokenId + quantity <= MAX_SUPPLY, \"Sold out\");\r\n        require(address(wduckToken) != address(0), \"Token vault not set\");\r\n\r\n        string memory handle;\r\n        if (requireAgentId) {\r\n            handle = _agentHandle(msg.sender);\r\n            if (bytes(handle).length == 0) revert NoAgentId();\r\n        }\r\n\r\n        uint256 rewardAmount = 0;\r\n\r\n        if (startTokenId < FREE_LIMIT) {\r\n            // Free Phase: strictly enforce 1 per wallet max\r\n            require(quantity == 1, \"Only 1 mint per tx in Free Phase\");\r\n            require(freeMintCount[msg.sender] < MAX_FREE_PER_WALLET, \"Free limit per wallet\");\r\n            freeMintCount[msg.sender] += 1;\r\n            rewardAmount = FREE_REWARD;\r\n        } else {\r\n            // Premium Phase: batch minting allowed\r\n            require(msg.value >= MINT_PRICE * quantity, \"Insufficient payment\");\r\n            rewardAmount = PREMIUM_REWARD * quantity;\r\n        }\r\n\r\n        _mint(msg.sender, quantity);\r\n\r\n        if (bytes(handle).length != 0) {\r\n            for (uint256 i; i < quantity; ++i) {\r\n                uint256 id = startTokenId + i;\r\n                agentOf[id] = handle;\r\n                emit AgentMinted(msg.sender, id, handle);\r\n            }\r\n        }\r\n\r\n        // Auto-claim reward directly from this contract's vault\r\n        require(wduckToken.transfer(msg.sender, rewardAmount), \"Vault empty\");\r\n    }\r\n\r\n    function tokenURI(uint256 tokenId) public view override returns (string memory) {\r\n        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();\r\n        return string(abi.encodePacked(baseURI, tokenId.toString(), \".json\"));\r\n    }\r\n\r\n    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721A) returns (bool) {\r\n        return interfaceId == 0x01ffc9a7 || // ERC165\r\n            interfaceId == 0x80ac58cd || // ERC721\r\n            interfaceId == 0x5b5e139f || // ERC721Metadata\r\n            interfaceId == 0x2a55205a;   // ERC2981\r\n    }\r\n\r\n    function withdraw() external onlyOwner {\r\n        (bool success, ) = payable(owner()).call{value: address(this).balance}(\"\");\r\n        require(success, \"Withdraw failed\");\r\n    }\r\n}\r\n"},"erc721a/contracts/ERC721A.sol":{"content":"// SPDX-License-Identifier: MIT\n// ERC721A Contracts v4.3.0\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\nimport './IERC721A.sol';\n\n/**\n * @dev Interface of ERC721 token receiver.\n */\ninterface ERC721A__IERC721Receiver {\n    function onERC721Received(\n        address operator,\n        address from,\n        uint256 tokenId,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n\n/**\n * @title ERC721A\n *\n * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)\n * Non-Fungible Token Standard, including the Metadata extension.\n * Optimized for lower gas during batch mints.\n *\n * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)\n * starting from `_startTokenId()`.\n *\n * The `_sequentialUpTo()` function can be overriden to enable spot mints\n * (i.e. non-consecutive mints) for `tokenId`s greater than `_sequentialUpTo()`.\n *\n * Assumptions:\n *\n * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.\n * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).\n */\ncontract ERC721A is IERC721A {\n    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).\n    struct TokenApprovalRef {\n        address value;\n    }\n\n    // =============================================================\n    //                           CONSTANTS\n    // =============================================================\n\n    // Mask of an entry in packed address data.\n    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;\n\n    // The bit position of `numberMinted` in packed address data.\n    uint256 private constant _BITPOS_NUMBER_MINTED = 64;\n\n    // The bit position of `numberBurned` in packed address data.\n    uint256 private constant _BITPOS_NUMBER_BURNED = 128;\n\n    // The bit position of `aux` in packed address data.\n    uint256 private constant _BITPOS_AUX = 192;\n\n    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.\n    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;\n\n    // The bit position of `startTimestamp` in packed ownership.\n    uint256 private constant _BITPOS_START_TIMESTAMP = 160;\n\n    // The bit mask of the `burned` bit in packed ownership.\n    uint256 private constant _BITMASK_BURNED = 1 << 224;\n\n    // The bit position of the `nextInitialized` bit in packed ownership.\n    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;\n\n    // The bit mask of the `nextInitialized` bit in packed ownership.\n    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;\n\n    // The bit position of `extraData` in packed ownership.\n    uint256 private constant _BITPOS_EXTRA_DATA = 232;\n\n    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.\n    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;\n\n    // The mask of the lower 160 bits for addresses.\n    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;\n\n    // The maximum `quantity` that can be minted with {_mintERC2309}.\n    // This limit is to prevent overflows on the address data entries.\n    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}\n    // is required to cause an overflow, which is unrealistic.\n    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;\n\n    // The `Transfer` event signature is given by:\n    // `keccak256(bytes(\"Transfer(address,address,uint256)\"))`.\n    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =\n        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;\n\n    // =============================================================\n    //                            STORAGE\n    // =============================================================\n\n    // The next token ID to be minted.\n    uint256 private _currentIndex;\n\n    // The number of tokens burned.\n    uint256 private _burnCounter;\n\n    // Token name\n    string private _name;\n\n    // Token symbol\n    string private _symbol;\n\n    // Mapping from token ID to ownership details\n    // An empty struct value does not necessarily mean the token is unowned.\n    // See {_packedOwnershipOf} implementation for details.\n    //\n    // Bits Layout:\n    // - [0..159]   `addr`\n    // - [160..223] `startTimestamp`\n    // - [224]      `burned`\n    // - [225]      `nextInitialized`\n    // - [232..255] `extraData`\n    mapping(uint256 => uint256) private _packedOwnerships;\n\n    // Mapping owner address to address data.\n    //\n    // Bits Layout:\n    // - [0..63]    `balance`\n    // - [64..127]  `numberMinted`\n    // - [128..191] `numberBurned`\n    // - [192..255] `aux`\n    mapping(address => uint256) private _packedAddressData;\n\n    // Mapping from token ID to approved address.\n    mapping(uint256 => TokenApprovalRef) private _tokenApprovals;\n\n    // Mapping from owner to operator approvals\n    mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n    // The amount of tokens minted above `_sequentialUpTo()`.\n    // We call these spot mints (i.e. non-sequential mints).\n    uint256 private _spotMinted;\n\n    // =============================================================\n    //                          CONSTRUCTOR\n    // =============================================================\n\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n        _currentIndex = _startTokenId();\n\n        if (_sequentialUpTo() < _startTokenId()) _revert(SequentialUpToTooSmall.selector);\n    }\n\n    // =============================================================\n    //                   TOKEN COUNTING OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Returns the starting token ID for sequential mints.\n     *\n     * Override this function to change the starting token ID for sequential mints.\n     *\n     * Note: The value returned must never change after any tokens have been minted.\n     */\n    function _startTokenId() internal view virtual returns (uint256) {\n        return 0;\n    }\n\n    /**\n     * @dev Returns the maximum token ID (inclusive) for sequential mints.\n     *\n     * Override this function to return a value less than 2**256 - 1,\n     * but greater than `_startTokenId()`, to enable spot (non-sequential) mints.\n     *\n     * Note: The value returned must never change after any tokens have been minted.\n     */\n    function _sequentialUpTo() internal view virtual returns (uint256) {\n        return type(uint256).max;\n    }\n\n    /**\n     * @dev Returns the next token ID to be minted.\n     */\n    function _nextTokenId() internal view virtual returns (uint256) {\n        return _currentIndex;\n    }\n\n    /**\n     * @dev Returns the total number of tokens in existence.\n     * Burned tokens will reduce the count.\n     * To get the total number of tokens minted, please see {_totalMinted}.\n     */\n    function totalSupply() public view virtual override returns (uint256 result) {\n        // Counter underflow is impossible as `_burnCounter` cannot be incremented\n        // more than `_currentIndex + _spotMinted - _startTokenId()` times.\n        unchecked {\n            // With spot minting, the intermediate `result` can be temporarily negative,\n            // and the computation must be unchecked.\n            result = _currentIndex - _burnCounter - _startTokenId();\n            if (_sequentialUpTo() != type(uint256).max) result += _spotMinted;\n        }\n    }\n\n    /**\n     * @dev Returns the total amount of tokens minted in the contract.\n     */\n    function _totalMinted() internal view virtual returns (uint256 result) {\n        // Counter underflow is impossible as `_currentIndex` does not decrement,\n        // and it is initialized to `_startTokenId()`.\n        unchecked {\n            result = _currentIndex - _startTokenId();\n            if (_sequentialUpTo() != type(uint256).max) result += _spotMinted;\n        }\n    }\n\n    /**\n     * @dev Returns the total number of tokens burned.\n     */\n    function _totalBurned() internal view virtual returns (uint256) {\n        return _burnCounter;\n    }\n\n    /**\n     * @dev Returns the total number of tokens that are spot-minted.\n     */\n    function _totalSpotMinted() internal view virtual returns (uint256) {\n        return _spotMinted;\n    }\n\n    // =============================================================\n    //                    ADDRESS DATA OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Returns the number of tokens in `owner`'s account.\n     */\n    function balanceOf(address owner) public view virtual override returns (uint256) {\n        if (owner == address(0)) _revert(BalanceQueryForZeroAddress.selector);\n        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;\n    }\n\n    /**\n     * Returns the number of tokens minted by `owner`.\n     */\n    function _numberMinted(address owner) internal view returns (uint256) {\n        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;\n    }\n\n    /**\n     * Returns the number of tokens burned by or on behalf of `owner`.\n     */\n    function _numberBurned(address owner) internal view returns (uint256) {\n        return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;\n    }\n\n    /**\n     * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).\n     */\n    function _getAux(address owner) internal view returns (uint64) {\n        return uint64(_packedAddressData[owner] >> _BITPOS_AUX);\n    }\n\n    /**\n     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).\n     * If there are multiple variables, please pack them into a uint64.\n     */\n    function _setAux(address owner, uint64 aux) internal virtual {\n        uint256 packed = _packedAddressData[owner];\n        uint256 auxCasted;\n        // Cast `aux` with assembly to avoid redundant masking.\n        assembly {\n            auxCasted := aux\n        }\n        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);\n        _packedAddressData[owner] = packed;\n    }\n\n    // =============================================================\n    //                            IERC165\n    // =============================================================\n\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        // The interface IDs are constants representing the first 4 bytes\n        // of the XOR of all function selectors in the interface.\n        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)\n        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)\n        return\n            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.\n            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.\n            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.\n    }\n\n    // =============================================================\n    //                        IERC721Metadata\n    // =============================================================\n\n    /**\n     * @dev Returns the token collection name.\n     */\n    function name() public view virtual override returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev Returns the token collection symbol.\n     */\n    function symbol() public view virtual override returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n     */\n    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n        if (!_exists(tokenId)) _revert(URIQueryForNonexistentToken.selector);\n\n        string memory baseURI = _baseURI();\n        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';\n    }\n\n    /**\n     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n     * by default, it can be overridden in child contracts.\n     */\n    function _baseURI() internal view virtual returns (string memory) {\n        return '';\n    }\n\n    // =============================================================\n    //                     OWNERSHIPS OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Returns the owner of the `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n        return address(uint160(_packedOwnershipOf(tokenId)));\n    }\n\n    /**\n     * @dev Gas spent here starts off proportional to the maximum mint batch size.\n     * It gradually moves to O(1) as tokens get transferred around over time.\n     */\n    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {\n        return _unpackedOwnership(_packedOwnershipOf(tokenId));\n    }\n\n    /**\n     * @dev Returns the unpacked `TokenOwnership` struct at `index`.\n     */\n    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {\n        return _unpackedOwnership(_packedOwnerships[index]);\n    }\n\n    /**\n     * @dev Returns whether the ownership slot at `index` is initialized.\n     * An uninitialized slot does not necessarily mean that the slot has no owner.\n     */\n    function _ownershipIsInitialized(uint256 index) internal view virtual returns (bool) {\n        return _packedOwnerships[index] != 0;\n    }\n\n    /**\n     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.\n     */\n    function _initializeOwnershipAt(uint256 index) internal virtual {\n        if (_packedOwnerships[index] == 0) {\n            _packedOwnerships[index] = _packedOwnershipOf(index);\n        }\n    }\n\n    /**\n     * @dev Returns the packed ownership data of `tokenId`.\n     */\n    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256 packed) {\n        if (_startTokenId() <= tokenId) {\n            packed = _packedOwnerships[tokenId];\n\n            if (tokenId > _sequentialUpTo()) {\n                if (_packedOwnershipExists(packed)) return packed;\n                _revert(OwnerQueryForNonexistentToken.selector);\n            }\n\n            // If the data at the starting slot does not exist, start the scan.\n            if (packed == 0) {\n                if (tokenId >= _currentIndex) _revert(OwnerQueryForNonexistentToken.selector);\n                // Invariant:\n                // There will always be an initialized ownership slot\n                // (i.e. `ownership.addr != address(0) && ownership.burned == false`)\n                // before an unintialized ownership slot\n                // (i.e. `ownership.addr == address(0) && ownership.burned == false`)\n                // Hence, `tokenId` will not underflow.\n                //\n                // We can directly compare the packed value.\n                // If the address is zero, packed will be zero.\n                for (;;) {\n                    unchecked {\n                        packed = _packedOwnerships[--tokenId];\n                    }\n                    if (packed == 0) continue;\n                    if (packed & _BITMASK_BURNED == 0) return packed;\n                    // Otherwise, the token is burned, and we must revert.\n                    // This handles the case of batch burned tokens, where only the burned bit\n                    // of the starting slot is set, and remaining slots are left uninitialized.\n                    _revert(OwnerQueryForNonexistentToken.selector);\n                }\n            }\n            // Otherwise, the data exists and we can skip the scan.\n            // This is possible because we have already achieved the target condition.\n            // This saves 2143 gas on transfers of initialized tokens.\n            // If the token is not burned, return `packed`. Otherwise, revert.\n            if (packed & _BITMASK_BURNED == 0) return packed;\n        }\n        _revert(OwnerQueryForNonexistentToken.selector);\n    }\n\n    /**\n     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.\n     */\n    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {\n        ownership.addr = address(uint160(packed));\n        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);\n        ownership.burned = packed & _BITMASK_BURNED != 0;\n        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);\n    }\n\n    /**\n     * @dev Packs ownership data into a single uint256.\n     */\n    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {\n        assembly {\n            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.\n            owner := and(owner, _BITMASK_ADDRESS)\n            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.\n            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))\n        }\n    }\n\n    /**\n     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.\n     */\n    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {\n        // For branchless setting of the `nextInitialized` flag.\n        assembly {\n            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.\n            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))\n        }\n    }\n\n    // =============================================================\n    //                      APPROVAL OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Gives permission to `to` to transfer `tokenId` token to another account. See {ERC721A-_approve}.\n     *\n     * Requirements:\n     *\n     * - The caller must own the token or be an approved operator.\n     */\n    function approve(address to, uint256 tokenId) public payable virtual override {\n        _approve(to, tokenId, true);\n    }\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) public view virtual override returns (address) {\n        if (!_exists(tokenId)) _revert(ApprovalQueryForNonexistentToken.selector);\n\n        return _tokenApprovals[tokenId].value;\n    }\n\n    /**\n     * @dev Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom}\n     * for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool approved) public virtual override {\n        _operatorApprovals[_msgSenderERC721A()][operator] = approved;\n        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);\n    }\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}.\n     */\n    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n        return _operatorApprovals[owner][operator];\n    }\n\n    /**\n     * @dev Returns whether `tokenId` exists.\n     *\n     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n     *\n     * Tokens start existing when they are minted. See {_mint}.\n     */\n    function _exists(uint256 tokenId) internal view virtual returns (bool result) {\n        if (_startTokenId() <= tokenId) {\n            if (tokenId > _sequentialUpTo()) return _packedOwnershipExists(_packedOwnerships[tokenId]);\n\n            if (tokenId < _currentIndex) {\n                uint256 packed;\n                while ((packed = _packedOwnerships[tokenId]) == 0) --tokenId;\n                result = packed & _BITMASK_BURNED == 0;\n            }\n        }\n    }\n\n    /**\n     * @dev Returns whether `packed` represents a token that exists.\n     */\n    function _packedOwnershipExists(uint256 packed) private pure returns (bool result) {\n        assembly {\n            // The following is equivalent to `owner != address(0) && burned == false`.\n            // Symbolically tested.\n            result := gt(and(packed, _BITMASK_ADDRESS), and(packed, _BITMASK_BURNED))\n        }\n    }\n\n    /**\n     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.\n     */\n    function _isSenderApprovedOrOwner(\n        address approvedAddress,\n        address owner,\n        address msgSender\n    ) private pure returns (bool result) {\n        assembly {\n            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.\n            owner := and(owner, _BITMASK_ADDRESS)\n            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.\n            msgSender := and(msgSender, _BITMASK_ADDRESS)\n            // `msgSender == owner || msgSender == approvedAddress`.\n            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))\n        }\n    }\n\n    /**\n     * @dev Returns the storage slot and value for the approved address of `tokenId`.\n     */\n    function _getApprovedSlotAndAddress(uint256 tokenId)\n        private\n        view\n        returns (uint256 approvedAddressSlot, address approvedAddress)\n    {\n        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];\n        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.\n        assembly {\n            approvedAddressSlot := tokenApproval.slot\n            approvedAddress := sload(approvedAddressSlot)\n        }\n    }\n\n    // =============================================================\n    //                      TRANSFER OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Transfers `tokenId` from `from` to `to`.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token\n     * by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) public payable virtual override {\n        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);\n\n        // Mask `from` to the lower 160 bits, in case the upper bits somehow aren't clean.\n        from = address(uint160(uint256(uint160(from)) & _BITMASK_ADDRESS));\n\n        if (address(uint160(prevOwnershipPacked)) != from) _revert(TransferFromIncorrectOwner.selector);\n\n        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);\n\n        // The nested ifs save around 20+ gas over a compound boolean condition.\n        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))\n            if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector);\n\n        _beforeTokenTransfers(from, to, tokenId, 1);\n\n        // Clear approvals from the previous owner.\n        assembly {\n            if approvedAddress {\n                // This is equivalent to `delete _tokenApprovals[tokenId]`.\n                sstore(approvedAddressSlot, 0)\n            }\n        }\n\n        // Underflow of the sender's balance is impossible because we check for\n        // ownership above and the recipient's balance can't realistically overflow.\n        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.\n        unchecked {\n            // We can directly increment and decrement the balances.\n            --_packedAddressData[from]; // Updates: `balance -= 1`.\n            ++_packedAddressData[to]; // Updates: `balance += 1`.\n\n            // Updates:\n            // - `address` to the next owner.\n            // - `startTimestamp` to the timestamp of transfering.\n            // - `burned` to `false`.\n            // - `nextInitialized` to `true`.\n            _packedOwnerships[tokenId] = _packOwnershipData(\n                to,\n                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)\n            );\n\n            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .\n            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {\n                uint256 nextTokenId = tokenId + 1;\n                // If the next slot's address is zero and not burned (i.e. packed value is zero).\n                if (_packedOwnerships[nextTokenId] == 0) {\n                    // If the next slot is within bounds.\n                    if (nextTokenId != _currentIndex) {\n                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.\n                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;\n                    }\n                }\n            }\n        }\n\n        // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.\n        uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;\n        assembly {\n            // Emit the `Transfer` event.\n            log4(\n                0, // Start of data (0, since no data).\n                0, // End of data (0, since no data).\n                _TRANSFER_EVENT_SIGNATURE, // Signature.\n                from, // `from`.\n                toMasked, // `to`.\n                tokenId // `tokenId`.\n            )\n        }\n        if (toMasked == 0) _revert(TransferToZeroAddress.selector);\n\n        _afterTokenTransfers(from, to, tokenId, 1);\n    }\n\n    /**\n     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) public payable virtual override {\n        safeTransferFrom(from, to, tokenId, '');\n    }\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token\n     * by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement\n     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes memory _data\n    ) public payable virtual override {\n        transferFrom(from, to, tokenId);\n        if (to.code.length != 0)\n            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {\n                _revert(TransferToNonERC721ReceiverImplementer.selector);\n            }\n    }\n\n    /**\n     * @dev Hook that is called before a set of serially-ordered token IDs\n     * are about to be transferred. This includes minting.\n     * And also called before burning one token.\n     *\n     * `startTokenId` - the first token ID to be transferred.\n     * `quantity` - the amount to be transferred.\n     *\n     * Calling conditions:\n     *\n     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be\n     * transferred to `to`.\n     * - When `from` is zero, `tokenId` will be minted for `to`.\n     * - When `to` is zero, `tokenId` will be burned by `from`.\n     * - `from` and `to` are never both zero.\n     */\n    function _beforeTokenTransfers(\n        address from,\n        address to,\n        uint256 startTokenId,\n        uint256 quantity\n    ) internal virtual {}\n\n    /**\n     * @dev Hook that is called after a set of serially-ordered token IDs\n     * have been transferred. This includes minting.\n     * And also called after one token has been burned.\n     *\n     * `startTokenId` - the first token ID to be transferred.\n     * `quantity` - the amount to be transferred.\n     *\n     * Calling conditions:\n     *\n     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been\n     * transferred to `to`.\n     * - When `from` is zero, `tokenId` has been minted for `to`.\n     * - When `to` is zero, `tokenId` has been burned by `from`.\n     * - `from` and `to` are never both zero.\n     */\n    function _afterTokenTransfers(\n        address from,\n        address to,\n        uint256 startTokenId,\n        uint256 quantity\n    ) internal virtual {}\n\n    /**\n     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.\n     *\n     * `from` - Previous owner of the given token ID.\n     * `to` - Target address that will receive the token.\n     * `tokenId` - Token ID to be transferred.\n     * `_data` - Optional data to send along with the call.\n     *\n     * Returns whether the call correctly returned the expected magic value.\n     */\n    function _checkContractOnERC721Received(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes memory _data\n    ) private returns (bool) {\n        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (\n            bytes4 retval\n        ) {\n            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;\n        } catch (bytes memory reason) {\n            if (reason.length == 0) {\n                _revert(TransferToNonERC721ReceiverImplementer.selector);\n            }\n            assembly {\n                revert(add(32, reason), mload(reason))\n            }\n        }\n    }\n\n    // =============================================================\n    //                        MINT OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Mints `quantity` tokens and transfers them to `to`.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - `quantity` must be greater than 0.\n     *\n     * Emits a {Transfer} event for each mint.\n     */\n    function _mint(address to, uint256 quantity) internal virtual {\n        uint256 startTokenId = _currentIndex;\n        if (quantity == 0) _revert(MintZeroQuantity.selector);\n\n        _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n        // Overflows are incredibly unrealistic.\n        // `balance` and `numberMinted` have a maximum limit of 2**64.\n        // `tokenId` has a maximum limit of 2**256.\n        unchecked {\n            // Updates:\n            // - `address` to the owner.\n            // - `startTimestamp` to the timestamp of minting.\n            // - `burned` to `false`.\n            // - `nextInitialized` to `quantity == 1`.\n            _packedOwnerships[startTokenId] = _packOwnershipData(\n                to,\n                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)\n            );\n\n            // Updates:\n            // - `balance += quantity`.\n            // - `numberMinted += quantity`.\n            //\n            // We can directly add to the `balance` and `numberMinted`.\n            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);\n\n            // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.\n            uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;\n\n            if (toMasked == 0) _revert(MintToZeroAddress.selector);\n\n            uint256 end = startTokenId + quantity;\n            uint256 tokenId = startTokenId;\n\n            if (end - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector);\n\n            do {\n                assembly {\n                    // Emit the `Transfer` event.\n                    log4(\n                        0, // Start of data (0, since no data).\n                        0, // End of data (0, since no data).\n                        _TRANSFER_EVENT_SIGNATURE, // Signature.\n                        0, // `address(0)`.\n                        toMasked, // `to`.\n                        tokenId // `tokenId`.\n                    )\n                }\n                // The `!=` check ensures that large values of `quantity`\n                // that overflows uint256 will make the loop run out of gas.\n            } while (++tokenId != end);\n\n            _currentIndex = end;\n        }\n        _afterTokenTransfers(address(0), to, startTokenId, quantity);\n    }\n\n    /**\n     * @dev Mints `quantity` tokens and transfers them to `to`.\n     *\n     * This function is intended for efficient minting only during contract creation.\n     *\n     * It emits only one {ConsecutiveTransfer} as defined in\n     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),\n     * instead of a sequence of {Transfer} event(s).\n     *\n     * Calling this function outside of contract creation WILL make your contract\n     * non-compliant with the ERC721 standard.\n     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309\n     * {ConsecutiveTransfer} event is only permissible during contract creation.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - `quantity` must be greater than 0.\n     *\n     * Emits a {ConsecutiveTransfer} event.\n     */\n    function _mintERC2309(address to, uint256 quantity) internal virtual {\n        uint256 startTokenId = _currentIndex;\n        if (to == address(0)) _revert(MintToZeroAddress.selector);\n        if (quantity == 0) _revert(MintZeroQuantity.selector);\n        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) _revert(MintERC2309QuantityExceedsLimit.selector);\n\n        _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.\n        unchecked {\n            // Updates:\n            // - `balance += quantity`.\n            // - `numberMinted += quantity`.\n            //\n            // We can directly add to the `balance` and `numberMinted`.\n            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);\n\n            // Updates:\n            // - `address` to the owner.\n            // - `startTimestamp` to the timestamp of minting.\n            // - `burned` to `false`.\n            // - `nextInitialized` to `quantity == 1`.\n            _packedOwnerships[startTokenId] = _packOwnershipData(\n                to,\n                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)\n            );\n\n            if (startTokenId + quantity - 1 > _sequentialUpTo()) _revert(SequentialMintExceedsLimit.selector);\n\n            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);\n\n            _currentIndex = startTokenId + quantity;\n        }\n        _afterTokenTransfers(address(0), to, startTokenId, quantity);\n    }\n\n    /**\n     * @dev Safely mints `quantity` tokens and transfers them to `to`.\n     *\n     * Requirements:\n     *\n     * - If `to` refers to a smart contract, it must implement\n     * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.\n     * - `quantity` must be greater than 0.\n     *\n     * See {_mint}.\n     *\n     * Emits a {Transfer} event for each mint.\n     */\n    function _safeMint(\n        address to,\n        uint256 quantity,\n        bytes memory _data\n    ) internal virtual {\n        _mint(to, quantity);\n\n        unchecked {\n            if (to.code.length != 0) {\n                uint256 end = _currentIndex;\n                uint256 index = end - quantity;\n                do {\n                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {\n                        _revert(TransferToNonERC721ReceiverImplementer.selector);\n                    }\n                } while (index < end);\n                // This prevents reentrancy to `_safeMint`.\n                // It does not prevent reentrancy to `_safeMintSpot`.\n                if (_currentIndex != end) revert();\n            }\n        }\n    }\n\n    /**\n     * @dev Equivalent to `_safeMint(to, quantity, '')`.\n     */\n    function _safeMint(address to, uint256 quantity) internal virtual {\n        _safeMint(to, quantity, '');\n    }\n\n    /**\n     * @dev Mints a single token at `tokenId`.\n     *\n     * Note: A spot-minted `tokenId` that has been burned can be re-minted again.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - `tokenId` must be greater than `_sequentialUpTo()`.\n     * - `tokenId` must not exist.\n     *\n     * Emits a {Transfer} event for each mint.\n     */\n    function _mintSpot(address to, uint256 tokenId) internal virtual {\n        if (tokenId <= _sequentialUpTo()) _revert(SpotMintTokenIdTooSmall.selector);\n        uint256 prevOwnershipPacked = _packedOwnerships[tokenId];\n        if (_packedOwnershipExists(prevOwnershipPacked)) _revert(TokenAlreadyExists.selector);\n\n        _beforeTokenTransfers(address(0), to, tokenId, 1);\n\n        // Overflows are incredibly unrealistic.\n        // The `numberMinted` for `to` is incremented by 1, and has a max limit of 2**64 - 1.\n        // `_spotMinted` is incremented by 1, and has a max limit of 2**256 - 1.\n        unchecked {\n            // Updates:\n            // - `address` to the owner.\n            // - `startTimestamp` to the timestamp of minting.\n            // - `burned` to `false`.\n            // - `nextInitialized` to `true` (as `quantity == 1`).\n            _packedOwnerships[tokenId] = _packOwnershipData(\n                to,\n                _nextInitializedFlag(1) | _nextExtraData(address(0), to, prevOwnershipPacked)\n            );\n\n            // Updates:\n            // - `balance += 1`.\n            // - `numberMinted += 1`.\n            //\n            // We can directly add to the `balance` and `numberMinted`.\n            _packedAddressData[to] += (1 << _BITPOS_NUMBER_MINTED) | 1;\n\n            // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.\n            uint256 toMasked = uint256(uint160(to)) & _BITMASK_ADDRESS;\n\n            if (toMasked == 0) _revert(MintToZeroAddress.selector);\n\n            assembly {\n                // Emit the `Transfer` event.\n                log4(\n                    0, // Start of data (0, since no data).\n                    0, // End of data (0, since no data).\n                    _TRANSFER_EVENT_SIGNATURE, // Signature.\n                    0, // `address(0)`.\n                    toMasked, // `to`.\n                    tokenId // `tokenId`.\n                )\n            }\n\n            ++_spotMinted;\n        }\n\n        _afterTokenTransfers(address(0), to, tokenId, 1);\n    }\n\n    /**\n     * @dev Safely mints a single token at `tokenId`.\n     *\n     * Note: A spot-minted `tokenId` that has been burned can be re-minted again.\n     *\n     * Requirements:\n     *\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}.\n     * - `tokenId` must be greater than `_sequentialUpTo()`.\n     * - `tokenId` must not exist.\n     *\n     * See {_mintSpot}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _safeMintSpot(\n        address to,\n        uint256 tokenId,\n        bytes memory _data\n    ) internal virtual {\n        _mintSpot(to, tokenId);\n\n        unchecked {\n            if (to.code.length != 0) {\n                uint256 currentSpotMinted = _spotMinted;\n                if (!_checkContractOnERC721Received(address(0), to, tokenId, _data)) {\n                    _revert(TransferToNonERC721ReceiverImplementer.selector);\n                }\n                // This prevents reentrancy to `_safeMintSpot`.\n                // It does not prevent reentrancy to `_safeMint`.\n                if (_spotMinted != currentSpotMinted) revert();\n            }\n        }\n    }\n\n    /**\n     * @dev Equivalent to `_safeMintSpot(to, tokenId, '')`.\n     */\n    function _safeMintSpot(address to, uint256 tokenId) internal virtual {\n        _safeMintSpot(to, tokenId, '');\n    }\n\n    // =============================================================\n    //                       APPROVAL OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Equivalent to `_approve(to, tokenId, false)`.\n     */\n    function _approve(address to, uint256 tokenId) internal virtual {\n        _approve(to, tokenId, false);\n    }\n\n    /**\n     * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n     * The approval is cleared when the token is transferred.\n     *\n     * Only a single account can be approved at a time, so approving the\n     * zero address clears previous approvals.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     *\n     * Emits an {Approval} event.\n     */\n    function _approve(\n        address to,\n        uint256 tokenId,\n        bool approvalCheck\n    ) internal virtual {\n        address owner = ownerOf(tokenId);\n\n        if (approvalCheck && _msgSenderERC721A() != owner)\n            if (!isApprovedForAll(owner, _msgSenderERC721A())) {\n                _revert(ApprovalCallerNotOwnerNorApproved.selector);\n            }\n\n        _tokenApprovals[tokenId].value = to;\n        emit Approval(owner, to, tokenId);\n    }\n\n    // =============================================================\n    //                        BURN OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Equivalent to `_burn(tokenId, false)`.\n     */\n    function _burn(uint256 tokenId) internal virtual {\n        _burn(tokenId, false);\n    }\n\n    /**\n     * @dev Destroys `tokenId`.\n     * The approval is cleared when the token is burned.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {\n        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);\n\n        address from = address(uint160(prevOwnershipPacked));\n\n        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);\n\n        if (approvalCheck) {\n            // The nested ifs save around 20+ gas over a compound boolean condition.\n            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))\n                if (!isApprovedForAll(from, _msgSenderERC721A())) _revert(TransferCallerNotOwnerNorApproved.selector);\n        }\n\n        _beforeTokenTransfers(from, address(0), tokenId, 1);\n\n        // Clear approvals from the previous owner.\n        assembly {\n            if approvedAddress {\n                // This is equivalent to `delete _tokenApprovals[tokenId]`.\n                sstore(approvedAddressSlot, 0)\n            }\n        }\n\n        // Underflow of the sender's balance is impossible because we check for\n        // ownership above and the recipient's balance can't realistically overflow.\n        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.\n        unchecked {\n            // Updates:\n            // - `balance -= 1`.\n            // - `numberBurned += 1`.\n            //\n            // We can directly decrement the balance, and increment the number burned.\n            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.\n            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;\n\n            // Updates:\n            // - `address` to the last owner.\n            // - `startTimestamp` to the timestamp of burning.\n            // - `burned` to `true`.\n            // - `nextInitialized` to `true`.\n            _packedOwnerships[tokenId] = _packOwnershipData(\n                from,\n                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)\n            );\n\n            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .\n            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {\n                uint256 nextTokenId = tokenId + 1;\n                // If the next slot's address is zero and not burned (i.e. packed value is zero).\n                if (_packedOwnerships[nextTokenId] == 0) {\n                    // If the next slot is within bounds.\n                    if (nextTokenId != _currentIndex) {\n                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.\n                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;\n                    }\n                }\n            }\n        }\n\n        emit Transfer(from, address(0), tokenId);\n        _afterTokenTransfers(from, address(0), tokenId, 1);\n\n        // Overflow not possible, as `_burnCounter` cannot be exceed `_currentIndex + _spotMinted` times.\n        unchecked {\n            _burnCounter++;\n        }\n    }\n\n    // =============================================================\n    //                     EXTRA DATA OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Directly sets the extra data for the ownership data `index`.\n     */\n    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {\n        uint256 packed = _packedOwnerships[index];\n        if (packed == 0) _revert(OwnershipNotInitializedForExtraData.selector);\n        uint256 extraDataCasted;\n        // Cast `extraData` with assembly to avoid redundant masking.\n        assembly {\n            extraDataCasted := extraData\n        }\n        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);\n        _packedOwnerships[index] = packed;\n    }\n\n    /**\n     * @dev Called during each token transfer to set the 24bit `extraData` field.\n     * Intended to be overridden by the cosumer contract.\n     *\n     * `previousExtraData` - the value of `extraData` before transfer.\n     *\n     * Calling conditions:\n     *\n     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be\n     * transferred to `to`.\n     * - When `from` is zero, `tokenId` will be minted for `to`.\n     * - When `to` is zero, `tokenId` will be burned by `from`.\n     * - `from` and `to` are never both zero.\n     */\n    function _extraData(\n        address from,\n        address to,\n        uint24 previousExtraData\n    ) internal view virtual returns (uint24) {}\n\n    /**\n     * @dev Returns the next extra data for the packed ownership data.\n     * The returned result is shifted into position.\n     */\n    function _nextExtraData(\n        address from,\n        address to,\n        uint256 prevOwnershipPacked\n    ) private view returns (uint256) {\n        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);\n        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;\n    }\n\n    // =============================================================\n    //                       OTHER OPERATIONS\n    // =============================================================\n\n    /**\n     * @dev Returns the message sender (defaults to `msg.sender`).\n     *\n     * If you are writing GSN compatible contracts, you need to override this function.\n     */\n    function _msgSenderERC721A() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    /**\n     * @dev Converts a uint256 to its ASCII string decimal representation.\n     */\n    function _toString(uint256 value) internal pure virtual returns (string memory str) {\n        assembly {\n            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but\n            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.\n            // We will need 1 word for the trailing zeros padding, 1 word for the length,\n            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.\n            let m := add(mload(0x40), 0xa0)\n            // Update the free memory pointer to allocate.\n            mstore(0x40, m)\n            // Assign the `str` to the end.\n            str := sub(m, 0x20)\n            // Zeroize the slot after the string.\n            mstore(str, 0)\n\n            // Cache the end of the memory to calculate the length later.\n            let end := str\n\n            // We write the string from rightmost digit to leftmost digit.\n            // The following is essentially a do-while loop that also handles the zero case.\n            // prettier-ignore\n            for { let temp := value } 1 {} {\n                str := sub(str, 1)\n                // Write the character to the pointer.\n                // The ASCII index of the '0' character is 48.\n                mstore8(str, add(48, mod(temp, 10)))\n                // Keep dividing `temp` until zero.\n                temp := div(temp, 10)\n                // prettier-ignore\n                if iszero(temp) { break }\n            }\n\n            let length := sub(end, str)\n            // Move the pointer 32 bytes leftwards to make room for the length.\n            str := sub(str, 0x20)\n            // Store the length.\n            mstore(str, length)\n        }\n    }\n\n    /**\n     * @dev For more efficient reverts.\n     */\n    function _revert(bytes4 errorSelector) internal pure {\n        assembly {\n            mstore(0x00, errorSelector)\n            revert(0x00, 0x04)\n        }\n    }\n}\n"},"erc721a/contracts/IERC721A.sol":{"content":"// SPDX-License-Identifier: MIT\n// ERC721A Contracts v4.3.0\n// Creator: Chiru Labs\n\npragma solidity ^0.8.4;\n\n/**\n * @dev Interface of ERC721A.\n */\ninterface IERC721A {\n    /**\n     * The caller must own the token or be an approved operator.\n     */\n    error ApprovalCallerNotOwnerNorApproved();\n\n    /**\n     * The token does not exist.\n     */\n    error ApprovalQueryForNonexistentToken();\n\n    /**\n     * Cannot query the balance for the zero address.\n     */\n    error BalanceQueryForZeroAddress();\n\n    /**\n     * Cannot mint to the zero address.\n     */\n    error MintToZeroAddress();\n\n    /**\n     * The quantity of tokens minted must be more than zero.\n     */\n    error MintZeroQuantity();\n\n    /**\n     * The token does not exist.\n     */\n    error OwnerQueryForNonexistentToken();\n\n    /**\n     * The caller must own the token or be an approved operator.\n     */\n    error TransferCallerNotOwnerNorApproved();\n\n    /**\n     * The token must be owned by `from`.\n     */\n    error TransferFromIncorrectOwner();\n\n    /**\n     * Cannot safely transfer to a contract that does not implement the\n     * ERC721Receiver interface.\n     */\n    error TransferToNonERC721ReceiverImplementer();\n\n    /**\n     * Cannot transfer to the zero address.\n     */\n    error TransferToZeroAddress();\n\n    /**\n     * The token does not exist.\n     */\n    error URIQueryForNonexistentToken();\n\n    /**\n     * The `quantity` minted with ERC2309 exceeds the safety limit.\n     */\n    error MintERC2309QuantityExceedsLimit();\n\n    /**\n     * The `extraData` cannot be set on an unintialized ownership slot.\n     */\n    error OwnershipNotInitializedForExtraData();\n\n    /**\n     * `_sequentialUpTo()` must be greater than `_startTokenId()`.\n     */\n    error SequentialUpToTooSmall();\n\n    /**\n     * The `tokenId` of a sequential mint exceeds `_sequentialUpTo()`.\n     */\n    error SequentialMintExceedsLimit();\n\n    /**\n     * Spot minting requires a `tokenId` greater than `_sequentialUpTo()`.\n     */\n    error SpotMintTokenIdTooSmall();\n\n    /**\n     * Cannot mint over a token that already exists.\n     */\n    error TokenAlreadyExists();\n\n    /**\n     * The feature is not compatible with spot mints.\n     */\n    error NotCompatibleWithSpotMints();\n\n    // =============================================================\n    //                            STRUCTS\n    // =============================================================\n\n    struct TokenOwnership {\n        // The address of the owner.\n        address addr;\n        // Stores the start time of ownership with minimal overhead for tokenomics.\n        uint64 startTimestamp;\n        // Whether the token has been burned.\n        bool burned;\n        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.\n        uint24 extraData;\n    }\n\n    // =============================================================\n    //                         TOKEN COUNTERS\n    // =============================================================\n\n    /**\n     * @dev Returns the total number of tokens in existence.\n     * Burned tokens will reduce the count.\n     * To get the total number of tokens minted, please see {_totalMinted}.\n     */\n    function totalSupply() external view returns (uint256);\n\n    // =============================================================\n    //                            IERC165\n    // =============================================================\n\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n\n    // =============================================================\n    //                            IERC721\n    // =============================================================\n\n    /**\n     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n     */\n    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables or disables\n     * (`approved`) `operator` to manage all of its assets.\n     */\n    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n    /**\n     * @dev Returns the number of tokens in `owner`'s account.\n     */\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    /**\n     * @dev Returns the owner of the `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`,\n     * checking first that contract recipients are aware of the ERC721 protocol\n     * to prevent tokens from being forever locked.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be have been allowed to move\n     * this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement\n     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external payable;\n\n    /**\n     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external payable;\n\n    /**\n     * @dev Transfers `tokenId` from `from` to `to`.\n     *\n     * WARNING: Usage of this method is discouraged, use {safeTransferFrom}\n     * whenever possible.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token\n     * by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external payable;\n\n    /**\n     * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n     * The approval is cleared when the token is transferred.\n     *\n     * Only a single account can be approved at a time, so approving the\n     * zero address clears previous approvals.\n     *\n     * Requirements:\n     *\n     * - The caller must own the token or be an approved operator.\n     * - `tokenId` must exist.\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address to, uint256 tokenId) external payable;\n\n    /**\n     * @dev Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom}\n     * for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool _approved) external;\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}.\n     */\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n\n    // =============================================================\n    //                        IERC721Metadata\n    // =============================================================\n\n    /**\n     * @dev Returns the token collection name.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the token collection symbol.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n     */\n    function tokenURI(uint256 tokenId) external view returns (string memory);\n\n    // =============================================================\n    //                           IERC2309\n    // =============================================================\n\n    /**\n     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`\n     * (inclusive) is transferred from `from` to `to`, as defined in the\n     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.\n     *\n     * See {_mintERC2309} for more details.\n     */\n    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);\n}\n"},"@openzeppelin/contracts/access/Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * The initial owner is set to the address provided by the deployer. This can\n * later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    /**\n     * @dev The caller account is not authorized to perform an operation.\n     */\n    error OwnableUnauthorizedAccount(address account);\n\n    /**\n     * @dev The owner is not a valid owner account. (eg. `address(0)`)\n     */\n    error OwnableInvalidOwner(address owner);\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n     */\n    constructor(address initialOwner) {\n        if (initialOwner == address(0)) {\n            revert OwnableInvalidOwner(address(0));\n        }\n        _transferOwnership(initialOwner);\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        if (owner() != _msgSender()) {\n            revert OwnableUnauthorizedAccount(_msgSender());\n        }\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby disabling any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        if (newOwner == address(0)) {\n            revert OwnableInvalidOwner(address(0));\n        }\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"},"@openzeppelin/contracts/utils/Context.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n\n    function _contextSuffixLength() internal view virtual returns (uint256) {\n        return 0;\n    }\n}\n"},"@openzeppelin/contracts/utils/Strings.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.6.0) (utils/Strings.sol)\n\npragma solidity ^0.8.24;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SafeCast} from \"./math/SafeCast.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\nimport {Bytes} from \"./Bytes.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    using SafeCast for *;\n\n    bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n    uint8 private constant ADDRESS_LENGTH = 20;\n    uint256 private constant SPECIAL_CHARS_LOOKUP =\n        0xffffffff | // first 32 bits corresponding to the control characters (U+0000 to U+001F)\n            (1 << 0x22) | // double quote\n            (1 << 0x5c); // backslash\n\n    /**\n     * @dev The `value` string doesn't fit in the specified `length`.\n     */\n    error StringsInsufficientHexLength(uint256 value, uint256 length);\n\n    /**\n     * @dev The string being parsed contains characters that are not in scope of the given base.\n     */\n    error StringsInvalidChar();\n\n    /**\n     * @dev The string being parsed is not a properly formatted address.\n     */\n    error StringsInvalidAddressFormat();\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            uint256 length = Math.log10(value) + 1;\n            string memory buffer = new string(length);\n            uint256 ptr;\n            assembly (\"memory-safe\") {\n                ptr := add(add(buffer, 0x20), length)\n            }\n            while (true) {\n                ptr--;\n                assembly (\"memory-safe\") {\n                    mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))\n                }\n                value /= 10;\n                if (value == 0) break;\n            }\n            return buffer;\n        }\n    }\n\n    /**\n     * @dev Converts a `int256` to its ASCII `string` decimal representation.\n     */\n    function toStringSigned(int256 value) internal pure returns (string memory) {\n        return string.concat(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value)));\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            return toHexString(value, Math.log256(value) + 1);\n        }\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        uint256 localValue = value;\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = HEX_DIGITS[localValue & 0xf];\n            localValue >>= 4;\n        }\n        if (localValue != 0) {\n            revert StringsInsufficientHexLength(value, length);\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal\n     * representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its checksummed ASCII `string` hexadecimal\n     * representation, according to EIP-55.\n     */\n    function toChecksumHexString(address addr) internal pure returns (string memory) {\n        bytes memory buffer = bytes(toHexString(addr));\n\n        // hash the hex part of buffer (skip length + 2 bytes, length 40)\n        uint256 hashValue;\n        assembly (\"memory-safe\") {\n            hashValue := shr(96, keccak256(add(buffer, 0x22), 40))\n        }\n\n        for (uint256 i = 41; i > 1; --i) {\n            // possible values for buffer[i] are 48 (0) to 57 (9) and 97 (a) to 102 (f)\n            if (hashValue & 0xf > 7 && uint8(buffer[i]) > 96) {\n                // case shift by xoring with 0x20\n                buffer[i] ^= 0x20;\n            }\n            hashValue >>= 4;\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts a `bytes` buffer to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(bytes memory input) internal pure returns (string memory) {\n        unchecked {\n            bytes memory buffer = new bytes(2 * input.length + 2);\n            buffer[0] = \"0\";\n            buffer[1] = \"x\";\n            for (uint256 i = 0; i < input.length; ++i) {\n                uint8 v = uint8(input[i]);\n                buffer[2 * i + 2] = HEX_DIGITS[v >> 4];\n                buffer[2 * i + 3] = HEX_DIGITS[v & 0xf];\n            }\n            return string(buffer);\n        }\n    }\n\n    /**\n     * @dev Returns true if the two strings are equal.\n     */\n    function equal(string memory a, string memory b) internal pure returns (bool) {\n        return Bytes.equal(bytes(a), bytes(b));\n    }\n\n    /**\n     * @dev Parse a decimal string and returns the value as a `uint256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `[0-9]*`\n     * - The result must fit into an `uint256` type\n     */\n    function parseUint(string memory input) internal pure returns (uint256) {\n        return parseUint(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseUint-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `[0-9]*`\n     * - The result must fit into an `uint256` type\n     */\n    function parseUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {\n        (bool success, uint256 value) = tryParseUint(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseUint-string} that returns false if the parsing fails because of an invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseUint(string memory input) internal pure returns (bool success, uint256 value) {\n        return _tryParseUintUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseUint-string-uint256-uint256} that returns false if the parsing fails because of an invalid\n     * character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseUint(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, uint256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseUintUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseUint-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseUintUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, uint256 value) {\n        bytes memory buffer = bytes(input);\n\n        uint256 result = 0;\n        for (uint256 i = begin; i < end; ++i) {\n            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));\n            if (chr > 9) return (false, 0);\n            result *= 10;\n            result += chr;\n        }\n        return (true, result);\n    }\n\n    /**\n     * @dev Parse a decimal string and returns the value as a `int256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `[-+]?[0-9]*`\n     * - The result must fit in an `int256` type.\n     */\n    function parseInt(string memory input) internal pure returns (int256) {\n        return parseInt(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseInt-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `[-+]?[0-9]*`\n     * - The result must fit in an `int256` type.\n     */\n    function parseInt(string memory input, uint256 begin, uint256 end) internal pure returns (int256) {\n        (bool success, int256 value) = tryParseInt(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseInt-string} that returns false if the parsing fails because of an invalid character or if\n     * the result does not fit in a `int256`.\n     *\n     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.\n     */\n    function tryParseInt(string memory input) internal pure returns (bool success, int256 value) {\n        return _tryParseIntUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    uint256 private constant ABS_MIN_INT256 = 2 ** 255;\n\n    /**\n     * @dev Variant of {parseInt-string-uint256-uint256} that returns false if the parsing fails because of an invalid\n     * character or if the result does not fit in a `int256`.\n     *\n     * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`.\n     */\n    function tryParseInt(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, int256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseIntUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseInt-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseIntUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, int256 value) {\n        bytes memory buffer = bytes(input);\n\n        // Check presence of a negative sign.\n        bytes1 sign = begin == end ? bytes1(0) : bytes1(_unsafeReadBytesOffset(buffer, begin)); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        bool positiveSign = sign == bytes1(\"+\");\n        bool negativeSign = sign == bytes1(\"-\");\n        uint256 offset = (positiveSign || negativeSign).toUint();\n\n        (bool absSuccess, uint256 absValue) = tryParseUint(input, begin + offset, end);\n\n        if (absSuccess && absValue < ABS_MIN_INT256) {\n            return (true, negativeSign ? -int256(absValue) : int256(absValue));\n        } else if (absSuccess && negativeSign && absValue == ABS_MIN_INT256) {\n            return (true, type(int256).min);\n        } else return (false, 0);\n    }\n\n    /**\n     * @dev Parse a hexadecimal string (with or without \"0x\" prefix), and returns the value as a `uint256`.\n     *\n     * Requirements:\n     * - The string must be formatted as `(0x)?[0-9a-fA-F]*`\n     * - The result must fit in an `uint256` type.\n     */\n    function parseHexUint(string memory input) internal pure returns (uint256) {\n        return parseHexUint(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `(0x)?[0-9a-fA-F]*`\n     * - The result must fit in an `uint256` type.\n     */\n    function parseHexUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) {\n        (bool success, uint256 value) = tryParseHexUint(input, begin, end);\n        if (!success) revert StringsInvalidChar();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string} that returns false if the parsing fails because of an invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseHexUint(string memory input) internal pure returns (bool success, uint256 value) {\n        return _tryParseHexUintUncheckedBounds(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseHexUint-string-uint256-uint256} that returns false if the parsing fails because of an\n     * invalid character.\n     *\n     * NOTE: This function will revert if the result does not fit in a `uint256`.\n     */\n    function tryParseHexUint(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, uint256 value) {\n        if (end > bytes(input).length || begin > end) return (false, 0);\n        return _tryParseHexUintUncheckedBounds(input, begin, end);\n    }\n\n    /**\n     * @dev Implementation of {tryParseHexUint-string-uint256-uint256} that does not check bounds. Caller should make sure that\n     * `begin <= end <= input.length`. Other inputs would result in undefined behavior.\n     */\n    function _tryParseHexUintUncheckedBounds(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) private pure returns (bool success, uint256 value) {\n        bytes memory buffer = bytes(input);\n\n        // skip 0x prefix if present\n        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(buffer, begin)) == bytes2(\"0x\"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        uint256 offset = hasPrefix.toUint() * 2;\n\n        uint256 result = 0;\n        for (uint256 i = begin + offset; i < end; ++i) {\n            uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i)));\n            if (chr > 15) return (false, 0);\n            result *= 16;\n            unchecked {\n                // Multiplying by 16 is equivalent to a shift of 4 bits (with additional overflow check).\n                // This guarantees that adding a value < 16 will not cause an overflow, hence the unchecked.\n                result += chr;\n            }\n        }\n        return (true, result);\n    }\n\n    /**\n     * @dev Parse a hexadecimal string (with or without \"0x\" prefix), and returns the value as an `address`.\n     *\n     * Requirements:\n     * - The string must be formatted as `(0x)?[0-9a-fA-F]{40}`\n     */\n    function parseAddress(string memory input) internal pure returns (address) {\n        return parseAddress(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string} that parses a substring of `input` located between position `begin` (included) and\n     * `end` (excluded).\n     *\n     * Requirements:\n     * - The substring must be formatted as `(0x)?[0-9a-fA-F]{40}`\n     */\n    function parseAddress(string memory input, uint256 begin, uint256 end) internal pure returns (address) {\n        (bool success, address value) = tryParseAddress(input, begin, end);\n        if (!success) revert StringsInvalidAddressFormat();\n        return value;\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string} that returns false if the parsing fails because the input is not a properly\n     * formatted address. See {parseAddress-string} requirements.\n     */\n    function tryParseAddress(string memory input) internal pure returns (bool success, address value) {\n        return tryParseAddress(input, 0, bytes(input).length);\n    }\n\n    /**\n     * @dev Variant of {parseAddress-string-uint256-uint256} that returns false if the parsing fails because input is not a properly\n     * formatted address. See {parseAddress-string-uint256-uint256} requirements.\n     */\n    function tryParseAddress(\n        string memory input,\n        uint256 begin,\n        uint256 end\n    ) internal pure returns (bool success, address value) {\n        if (end > bytes(input).length || begin > end) return (false, address(0));\n\n        bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(bytes(input), begin)) == bytes2(\"0x\"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty\n        uint256 expectedLength = 40 + hasPrefix.toUint() * 2;\n\n        // check that input is the correct length\n        if (end - begin == expectedLength) {\n            // length guarantees that this does not overflow, and value is at most type(uint160).max\n            (bool s, uint256 v) = _tryParseHexUintUncheckedBounds(input, begin, end);\n            return (s, address(uint160(v)));\n        } else {\n            return (false, address(0));\n        }\n    }\n\n    function _tryParseChr(bytes1 chr) private pure returns (uint8) {\n        uint8 value = uint8(chr);\n\n        // Try to parse `chr`:\n        // - Case 1: [0-9]\n        // - Case 2: [a-f]\n        // - Case 3: [A-F]\n        // - otherwise not supported\n        unchecked {\n            if (value > 47 && value < 58) value -= 48;\n            else if (value > 96 && value < 103) value -= 87;\n            else if (value > 64 && value < 71) value -= 55;\n            else return type(uint8).max;\n        }\n\n        return value;\n    }\n\n    /**\n     * @dev Escape special characters in JSON strings. This can be useful to prevent JSON injection in NFT metadata.\n     *\n     * WARNING: This function should only be used in double quoted JSON strings. Single quotes are not escaped.\n     *\n     * NOTE: This function escapes backslashes (including those in \\uXXXX sequences) and the characters in ranges\n     * defined in section 2.5 of RFC-4627 (U+0000 to U+001F, U+0022 and U+005C). All control characters in U+0000\n     * to U+001F are escaped (\\b, \\t, \\n, \\f, \\r use short form; others use \\u00XX). ECMAScript's `JSON.parse` does\n     * recover escaped unicode characters that are not in this range, but other tooling may provide different results.\n     */\n    function escapeJSON(string memory input) internal pure returns (string memory) {\n        bytes memory buffer = bytes(input);\n\n        // Put output at the FMP. Memory will be reserved later when we figure out the actual length of the escaped\n        // string. All write are done using _unsafeWriteBytesOffset, which avoid the (expensive) length checks for\n        // each character written.\n        bytes memory output;\n        assembly (\"memory-safe\") {\n            output := mload(0x40)\n        }\n        uint256 outputLength = 0;\n\n        for (uint256 i = 0; i < buffer.length; ++i) {\n            uint8 char = uint8(bytes1(_unsafeReadBytesOffset(buffer, i)));\n            if (((SPECIAL_CHARS_LOOKUP & (1 << char)) != 0)) {\n                _unsafeWriteBytesOffset(output, outputLength++, \"\\\\\");\n                if (char == 0x08) _unsafeWriteBytesOffset(output, outputLength++, \"b\");\n                else if (char == 0x09) _unsafeWriteBytesOffset(output, outputLength++, \"t\");\n                else if (char == 0x0a) _unsafeWriteBytesOffset(output, outputLength++, \"n\");\n                else if (char == 0x0c) _unsafeWriteBytesOffset(output, outputLength++, \"f\");\n                else if (char == 0x0d) _unsafeWriteBytesOffset(output, outputLength++, \"r\");\n                else if (char == 0x5c) _unsafeWriteBytesOffset(output, outputLength++, \"\\\\\");\n                else if (char == 0x22) {\n                    // solhint-disable-next-line quotes\n                    _unsafeWriteBytesOffset(output, outputLength++, '\"');\n                } else {\n                    // U+0000 to U+001F without short form: output \\u00XX\n                    _unsafeWriteBytesOffset(output, outputLength++, \"u\");\n                    _unsafeWriteBytesOffset(output, outputLength++, \"0\");\n                    _unsafeWriteBytesOffset(output, outputLength++, \"0\");\n                    _unsafeWriteBytesOffset(output, outputLength++, HEX_DIGITS[char >> 4]);\n                    _unsafeWriteBytesOffset(output, outputLength++, HEX_DIGITS[char & 0x0f]);\n                }\n            } else {\n                _unsafeWriteBytesOffset(output, outputLength++, bytes1(char));\n            }\n        }\n        // write the actual length and reserve memory\n        assembly (\"memory-safe\") {\n            mstore(output, outputLength)\n            mstore(0x40, add(output, add(outputLength, 0x20)))\n        }\n\n        return string(output);\n    }\n\n    /**\n     * @dev Reads a bytes32 from a bytes array without bounds checking.\n     *\n     * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the\n     * assembly block as such would prevent some optimizations.\n     */\n    function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) {\n        // This is not memory safe in the general case, but all calls to this private function are within bounds.\n        assembly (\"memory-safe\") {\n            value := mload(add(add(buffer, 0x20), offset))\n        }\n    }\n\n    /**\n     * @dev Write a bytes1 to a bytes array without bounds checking.\n     *\n     * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the\n     * assembly block as such would prevent some optimizations.\n     */\n    function _unsafeWriteBytesOffset(bytes memory buffer, uint256 offset, bytes1 value) private pure {\n        // This is not memory safe in the general case, but all calls to this private function are within bounds.\n        assembly (\"memory-safe\") {\n            mstore8(add(add(buffer, 0x20), offset), shr(248, value))\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/math/Math.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.6.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\nimport {Panic} from \"../Panic.sol\";\nimport {SafeCast} from \"./SafeCast.sol\";\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n    enum Rounding {\n        Floor, // Toward negative infinity\n        Ceil, // Toward positive infinity\n        Trunc, // Toward zero\n        Expand // Away from zero\n    }\n\n    /**\n     * @dev Return the 512-bit addition of two uint256.\n     *\n     * The result is stored in two 256 variables such that sum = high * 2²⁵⁶ + low.\n     */\n    function add512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n        assembly (\"memory-safe\") {\n            low := add(a, b)\n            high := lt(low, a)\n        }\n    }\n\n    /**\n     * @dev Return the 512-bit multiplication of two uint256.\n     *\n     * The result is stored in two 256 variables such that product = high * 2²⁵⁶ + low.\n     */\n    function mul512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n        // 512-bit multiply [high low] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use\n        // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n        // variables such that product = high * 2²⁵⁶ + low.\n        assembly (\"memory-safe\") {\n            let mm := mulmod(a, b, not(0))\n            low := mul(a, b)\n            high := sub(sub(mm, low), lt(mm, low))\n        }\n    }\n\n    /**\n     * @dev Returns the addition of two unsigned integers, with a success flag (no overflow).\n     */\n    function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a + b;\n            success = c >= a;\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the subtraction of two unsigned integers, with a success flag (no overflow).\n     */\n    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a - b;\n            success = c <= a;\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the multiplication of two unsigned integers, with a success flag (no overflow).\n     */\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            uint256 c = a * b;\n            assembly (\"memory-safe\") {\n                // Only true when the multiplication doesn't overflow\n                // (c / a == b) || (a == 0)\n                success := or(eq(div(c, a), b), iszero(a))\n            }\n            // equivalent to: success ? c : 0\n            result = c * SafeCast.toUint(success);\n        }\n    }\n\n    /**\n     * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).\n     */\n    function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            success = b > 0;\n            assembly (\"memory-safe\") {\n                // The `DIV` opcode returns zero when the denominator is 0.\n                result := div(a, b)\n            }\n        }\n    }\n\n    /**\n     * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).\n     */\n    function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            success = b > 0;\n            assembly (\"memory-safe\") {\n                // The `MOD` opcode returns zero when the denominator is 0.\n                result := mod(a, b)\n            }\n        }\n    }\n\n    /**\n     * @dev Unsigned saturating addition, bounds to `2²⁵⁶ - 1` instead of overflowing.\n     */\n    function saturatingAdd(uint256 a, uint256 b) internal pure returns (uint256) {\n        (bool success, uint256 result) = tryAdd(a, b);\n        return ternary(success, result, type(uint256).max);\n    }\n\n    /**\n     * @dev Unsigned saturating subtraction, bounds to zero instead of overflowing.\n     */\n    function saturatingSub(uint256 a, uint256 b) internal pure returns (uint256) {\n        (, uint256 result) = trySub(a, b);\n        return result;\n    }\n\n    /**\n     * @dev Unsigned saturating multiplication, bounds to `2²⁵⁶ - 1` instead of overflowing.\n     */\n    function saturatingMul(uint256 a, uint256 b) internal pure returns (uint256) {\n        (bool success, uint256 result) = tryMul(a, b);\n        return ternary(success, result, type(uint256).max);\n    }\n\n    /**\n     * @dev Branchless ternary evaluation for `condition ? a : b`. Gas costs are constant.\n     *\n     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.\n     * However, the compiler may optimize Solidity ternary operations (i.e. `condition ? a : b`) to only compute\n     * one branch when needed, making this function more expensive.\n     */\n    function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {\n        unchecked {\n            // branchless ternary works because:\n            // b ^ (a ^ b) == a\n            // b ^ 0 == b\n            return b ^ ((a ^ b) * SafeCast.toUint(condition));\n        }\n    }\n\n    /**\n     * @dev Returns the largest of two numbers.\n     */\n    function max(uint256 a, uint256 b) internal pure returns (uint256) {\n        return ternary(a > b, a, b);\n    }\n\n    /**\n     * @dev Returns the smallest of two numbers.\n     */\n    function min(uint256 a, uint256 b) internal pure returns (uint256) {\n        return ternary(a < b, a, b);\n    }\n\n    /**\n     * @dev Returns the average of two numbers. The result is rounded towards\n     * zero.\n     */\n    function average(uint256 a, uint256 b) internal pure returns (uint256) {\n        unchecked {\n            // (a + b) / 2 can overflow.\n            return (a & b) + (a ^ b) / 2;\n        }\n    }\n\n    /**\n     * @dev Returns the ceiling of the division of two numbers.\n     *\n     * This differs from standard division with `/` in that it rounds towards infinity instead\n     * of rounding towards zero.\n     */\n    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n        if (b == 0) {\n            // Guarantee the same behavior as in a regular Solidity division.\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n\n        // The following calculation ensures accurate ceiling division without overflow.\n        // Since a is non-zero, (a - 1) / b will not overflow.\n        // The largest possible result occurs when (a - 1) / b is type(uint256).max,\n        // but the largest value we can obtain is type(uint256).max - 1, which happens\n        // when a = type(uint256).max and b = 1.\n        unchecked {\n            return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);\n        }\n    }\n\n    /**\n     * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or\n     * denominator == 0.\n     *\n     * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n     * Uniswap Labs also under MIT license.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n        unchecked {\n            (uint256 high, uint256 low) = mul512(x, y);\n\n            // Handle non-overflow cases, 256 by 256 division.\n            if (high == 0) {\n                // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n                // The surrounding unchecked block does not change this fact.\n                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n                return low / denominator;\n            }\n\n            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.\n            if (denominator <= high) {\n                Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));\n            }\n\n            ///////////////////////////////////////////////\n            // 512 by 256 division.\n            ///////////////////////////////////////////////\n\n            // Make division exact by subtracting the remainder from [high low].\n            uint256 remainder;\n            assembly (\"memory-safe\") {\n                // Compute remainder using mulmod.\n                remainder := mulmod(x, y, denominator)\n\n                // Subtract 256 bit number from 512 bit number.\n                high := sub(high, gt(remainder, low))\n                low := sub(low, remainder)\n            }\n\n            // Factor powers of two out of denominator and compute largest power of two divisor of denominator.\n            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n            uint256 twos = denominator & (0 - denominator);\n            assembly (\"memory-safe\") {\n                // Divide denominator by twos.\n                denominator := div(denominator, twos)\n\n                // Divide [high low] by twos.\n                low := div(low, twos)\n\n                // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.\n                twos := add(div(sub(0, twos), twos), 1)\n            }\n\n            // Shift in bits from high into low.\n            low |= high * twos;\n\n            // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such\n            // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for\n            // four bits. That is, denominator * inv ≡ 1 mod 2⁴.\n            uint256 inverse = (3 * denominator) ^ 2;\n\n            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also\n            // works in modular arithmetic, doubling the correct bits in each step.\n            inverse *= 2 - denominator * inverse; // inverse mod 2⁸\n            inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶\n            inverse *= 2 - denominator * inverse; // inverse mod 2³²\n            inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴\n            inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸\n            inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶\n\n            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n            // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is\n            // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and high\n            // is no longer required.\n            result = low * inverse;\n            return result;\n        }\n    }\n\n    /**\n     * @dev Calculates x * y / denominator with full precision, following the selected rounding direction.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n        return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);\n    }\n\n    /**\n     * @dev Calculates floor(x * y >> n) with full precision. Throws if result overflows a uint256.\n     */\n    function mulShr(uint256 x, uint256 y, uint8 n) internal pure returns (uint256 result) {\n        unchecked {\n            (uint256 high, uint256 low) = mul512(x, y);\n            if (high >= 1 << n) {\n                Panic.panic(Panic.UNDER_OVERFLOW);\n            }\n            return (high << (256 - n)) | (low >> n);\n        }\n    }\n\n    /**\n     * @dev Calculates x * y >> n with full precision, following the selected rounding direction.\n     */\n    function mulShr(uint256 x, uint256 y, uint8 n, Rounding rounding) internal pure returns (uint256) {\n        return mulShr(x, y, n) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, 1 << n) > 0);\n    }\n\n    /**\n     * @dev Calculate the modular multiplicative inverse of a number in Z/nZ.\n     *\n     * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.\n     * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.\n     *\n     * If the input value is not inversible, 0 is returned.\n     *\n     * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the\n     * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.\n     */\n    function invMod(uint256 a, uint256 n) internal pure returns (uint256) {\n        unchecked {\n            if (n == 0) return 0;\n\n            // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)\n            // Used to compute integers x and y such that: ax + ny = gcd(a, n).\n            // When the gcd is 1, then the inverse of a modulo n exists and it's x.\n            // ax + ny = 1\n            // ax = 1 + (-y)n\n            // ax ≡ 1 (mod n) # x is the inverse of a modulo n\n\n            // If the remainder is 0 the gcd is n right away.\n            uint256 remainder = a % n;\n            uint256 gcd = n;\n\n            // Therefore the initial coefficients are:\n            // ax + ny = gcd(a, n) = n\n            // 0a + 1n = n\n            int256 x = 0;\n            int256 y = 1;\n\n            while (remainder != 0) {\n                uint256 quotient = gcd / remainder;\n\n                (gcd, remainder) = (\n                    // The old remainder is the next gcd to try.\n                    remainder,\n                    // Compute the next remainder.\n                    // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd\n                    // where gcd is at most n (capped to type(uint256).max)\n                    gcd - remainder * quotient\n                );\n\n                (x, y) = (\n                    // Increment the coefficient of a.\n                    y,\n                    // Decrement the coefficient of n.\n                    // Can overflow, but the result is casted to uint256 so that the\n                    // next value of y is \"wrapped around\" to a value between 0 and n - 1.\n                    x - y * int256(quotient)\n                );\n            }\n\n            if (gcd != 1) return 0; // No inverse exists.\n            return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.\n        }\n    }\n\n    /**\n     * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.\n     *\n     * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is\n     * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that\n     * `a**(p-2)` is the modular multiplicative inverse of a in Fp.\n     *\n     * NOTE: this function does NOT check that `p` is a prime greater than `2`.\n     */\n    function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {\n        unchecked {\n            return Math.modExp(a, p - 2, p);\n        }\n    }\n\n    /**\n     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)\n     *\n     * Requirements:\n     * - modulus can't be zero\n     * - underlying staticcall to precompile must succeed\n     *\n     * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make\n     * sure the chain you're using it on supports the precompiled contract for modular exponentiation\n     * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,\n     * the underlying function will succeed given the lack of a revert, but the result may be incorrectly\n     * interpreted as 0.\n     */\n    function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {\n        (bool success, uint256 result) = tryModExp(b, e, m);\n        if (!success) {\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n        return result;\n    }\n\n    /**\n     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).\n     * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying\n     * to operate modulo 0 or if the underlying precompile reverted.\n     *\n     * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain\n     * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in\n     * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack\n     * of a revert, but the result may be incorrectly interpreted as 0.\n     */\n    function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {\n        if (m == 0) return (false, 0);\n        assembly (\"memory-safe\") {\n            let ptr := mload(0x40)\n            // | Offset    | Content    | Content (Hex)                                                      |\n            // |-----------|------------|--------------------------------------------------------------------|\n            // | 0x00:0x1f | size of b  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x20:0x3f | size of e  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x40:0x5f | size of m  | 0x0000000000000000000000000000000000000000000000000000000000000020 |\n            // | 0x60:0x7f | value of b | 0x<.............................................................b> |\n            // | 0x80:0x9f | value of e | 0x<.............................................................e> |\n            // | 0xa0:0xbf | value of m | 0x<.............................................................m> |\n            mstore(ptr, 0x20)\n            mstore(add(ptr, 0x20), 0x20)\n            mstore(add(ptr, 0x40), 0x20)\n            mstore(add(ptr, 0x60), b)\n            mstore(add(ptr, 0x80), e)\n            mstore(add(ptr, 0xa0), m)\n\n            // Given the result < m, it's guaranteed to fit in 32 bytes,\n            // so we can use the memory scratch space located at offset 0.\n            success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)\n            result := mload(0x00)\n        }\n    }\n\n    /**\n     * @dev Variant of {modExp} that supports inputs of arbitrary length.\n     */\n    function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {\n        (bool success, bytes memory result) = tryModExp(b, e, m);\n        if (!success) {\n            Panic.panic(Panic.DIVISION_BY_ZERO);\n        }\n        return result;\n    }\n\n    /**\n     * @dev Variant of {tryModExp} that supports inputs of arbitrary length.\n     */\n    function tryModExp(\n        bytes memory b,\n        bytes memory e,\n        bytes memory m\n    ) internal view returns (bool success, bytes memory result) {\n        if (_zeroBytes(m)) return (false, new bytes(0));\n\n        uint256 mLen = m.length;\n\n        // Encode call args in result and move the free memory pointer\n        result = abi.encodePacked(b.length, e.length, mLen, b, e, m);\n\n        assembly (\"memory-safe\") {\n            let dataPtr := add(result, 0x20)\n            // Write result on top of args to avoid allocating extra memory.\n            success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)\n            // Overwrite the length.\n            // result.length > returndatasize() is guaranteed because returndatasize() == m.length\n            mstore(result, mLen)\n            // Set the memory pointer after the returned data.\n            mstore(0x40, add(dataPtr, mLen))\n        }\n    }\n\n    /**\n     * @dev Returns whether the provided byte array is zero.\n     */\n    function _zeroBytes(bytes memory buffer) private pure returns (bool) {\n        uint256 chunk;\n        for (uint256 i = 0; i < buffer.length; i += 0x20) {\n            // See _unsafeReadBytesOffset from utils/Bytes.sol\n            assembly (\"memory-safe\") {\n                chunk := mload(add(add(buffer, 0x20), i))\n            }\n            if (chunk >> (8 * saturatingSub(i + 0x20, buffer.length)) != 0) {\n                return false;\n            }\n        }\n        return true;\n    }\n\n    /**\n     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded\n     * towards zero.\n     *\n     * This method is based on Newton's method for computing square roots; the algorithm is restricted to only\n     * using integer operations.\n     */\n    function sqrt(uint256 a) internal pure returns (uint256) {\n        unchecked {\n            // Take care of easy edge cases when a == 0 or a == 1\n            if (a <= 1) {\n                return a;\n            }\n\n            // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a\n            // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between\n            // the current value as `ε_n = | x_n - sqrt(a) |`.\n            //\n            // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root\n            // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is\n            // bigger than any uint256.\n            //\n            // By noticing that\n            // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`\n            // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar\n            // to the msb function.\n            uint256 aa = a;\n            uint256 xn = 1;\n\n            if (aa >= (1 << 128)) {\n                aa >>= 128;\n                xn <<= 64;\n            }\n            if (aa >= (1 << 64)) {\n                aa >>= 64;\n                xn <<= 32;\n            }\n            if (aa >= (1 << 32)) {\n                aa >>= 32;\n                xn <<= 16;\n            }\n            if (aa >= (1 << 16)) {\n                aa >>= 16;\n                xn <<= 8;\n            }\n            if (aa >= (1 << 8)) {\n                aa >>= 8;\n                xn <<= 4;\n            }\n            if (aa >= (1 << 4)) {\n                aa >>= 4;\n                xn <<= 2;\n            }\n            if (aa >= (1 << 2)) {\n                xn <<= 1;\n            }\n\n            // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).\n            //\n            // We can refine our estimation by noticing that the middle of that interval minimizes the error.\n            // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).\n            // This is going to be our x_0 (and ε_0)\n            xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)\n\n            // From here, Newton's method give us:\n            // x_{n+1} = (x_n + a / x_n) / 2\n            //\n            // One should note that:\n            // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a\n            //              = ((x_n² + a) / (2 * x_n))² - a\n            //              = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a\n            //              = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)\n            //              = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)\n            //              = (x_n² - a)² / (2 * x_n)²\n            //              = ((x_n² - a) / (2 * x_n))²\n            //              ≥ 0\n            // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n\n            //\n            // This gives us the proof of quadratic convergence of the sequence:\n            // ε_{n+1} = | x_{n+1} - sqrt(a) |\n            //         = | (x_n + a / x_n) / 2 - sqrt(a) |\n            //         = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |\n            //         = | (x_n - sqrt(a))² / (2 * x_n) |\n            //         = | ε_n² / (2 * x_n) |\n            //         = ε_n² / | (2 * x_n) |\n            //\n            // For the first iteration, we have a special case where x_0 is known:\n            // ε_1 = ε_0² / | (2 * x_0) |\n            //     ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))\n            //     ≤ 2**(2*e-4) / (3 * 2**(e-1))\n            //     ≤ 2**(e-3) / 3\n            //     ≤ 2**(e-3-log2(3))\n            //     ≤ 2**(e-4.5)\n            //\n            // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:\n            // ε_{n+1} = ε_n² / | (2 * x_n) |\n            //         ≤ (2**(e-k))² / (2 * 2**(e-1))\n            //         ≤ 2**(2*e-2*k) / 2**e\n            //         ≤ 2**(e-2*k)\n            xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5)  -- special case, see above\n            xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9)    -- general case with k = 4.5\n            xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18)   -- general case with k = 9\n            xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36)   -- general case with k = 18\n            xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72)   -- general case with k = 36\n            xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144)  -- general case with k = 72\n\n            // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision\n            // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either\n            // sqrt(a) or sqrt(a) + 1.\n            return xn - SafeCast.toUint(xn > a / xn);\n        }\n    }\n\n    /**\n     * @dev Calculates sqrt(a), following the selected rounding direction.\n     */\n    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = sqrt(a);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 x) internal pure returns (uint256 r) {\n        // If value has upper 128 bits set, log2 result is at least 128\n        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;\n        // If upper 64 bits of 128-bit half set, add 64 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;\n        // If upper 32 bits of 64-bit half set, add 32 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;\n        // If upper 16 bits of 32-bit half set, add 16 to result\n        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;\n        // If upper 8 bits of 16-bit half set, add 8 to result\n        r |= SafeCast.toUint((x >> r) > 0xff) << 3;\n        // If upper 4 bits of 8-bit half set, add 4 to result\n        r |= SafeCast.toUint((x >> r) > 0xf) << 2;\n\n        // Shifts value right by the current result and use it as an index into this lookup table:\n        //\n        // | x (4 bits) |  index  | table[index] = MSB position |\n        // |------------|---------|-----------------------------|\n        // |    0000    |    0    |        table[0] = 0         |\n        // |    0001    |    1    |        table[1] = 0         |\n        // |    0010    |    2    |        table[2] = 1         |\n        // |    0011    |    3    |        table[3] = 1         |\n        // |    0100    |    4    |        table[4] = 2         |\n        // |    0101    |    5    |        table[5] = 2         |\n        // |    0110    |    6    |        table[6] = 2         |\n        // |    0111    |    7    |        table[7] = 2         |\n        // |    1000    |    8    |        table[8] = 3         |\n        // |    1001    |    9    |        table[9] = 3         |\n        // |    1010    |   10    |        table[10] = 3        |\n        // |    1011    |   11    |        table[11] = 3        |\n        // |    1100    |   12    |        table[12] = 3        |\n        // |    1101    |   13    |        table[13] = 3        |\n        // |    1110    |   14    |        table[14] = 3        |\n        // |    1111    |   15    |        table[15] = 3        |\n        //\n        // The lookup table is represented as a 32-byte value with the MSB positions for 0-15 in the first 16 bytes (most significant half).\n        assembly (\"memory-safe\") {\n            r := or(r, byte(shr(r, x), 0x0000010102020202030303030303030300000000000000000000000000000000))\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log2(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 10 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >= 10 ** 64) {\n                value /= 10 ** 64;\n                result += 64;\n            }\n            if (value >= 10 ** 32) {\n                value /= 10 ** 32;\n                result += 32;\n            }\n            if (value >= 10 ** 16) {\n                value /= 10 ** 16;\n                result += 16;\n            }\n            if (value >= 10 ** 8) {\n                value /= 10 ** 8;\n                result += 8;\n            }\n            if (value >= 10 ** 4) {\n                value /= 10 ** 4;\n                result += 4;\n            }\n            if (value >= 10 ** 2) {\n                value /= 10 ** 2;\n                result += 2;\n            }\n            if (value >= 10 ** 1) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log10(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 256 of a positive value rounded towards zero.\n     * Returns 0 if given 0.\n     *\n     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n     */\n    function log256(uint256 x) internal pure returns (uint256 r) {\n        // If value has upper 128 bits set, log2 result is at least 128\n        r = SafeCast.toUint(x > 0xffffffffffffffffffffffffffffffff) << 7;\n        // If upper 64 bits of 128-bit half set, add 64 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffffffffffff) << 6;\n        // If upper 32 bits of 64-bit half set, add 32 to result\n        r |= SafeCast.toUint((x >> r) > 0xffffffff) << 5;\n        // If upper 16 bits of 32-bit half set, add 16 to result\n        r |= SafeCast.toUint((x >> r) > 0xffff) << 4;\n        // Add 1 if upper 8 bits of 16-bit half set, and divide accumulated result by 8\n        return (r >> 3) | SafeCast.toUint((x >> r) > 0xff);\n    }\n\n    /**\n     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log256(value);\n            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);\n        }\n    }\n\n    /**\n     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n     */\n    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n        return uint8(rounding) % 2 == 1;\n    }\n\n    /**\n     * @dev Counts the number of leading zero bits in a uint256.\n     */\n    function clz(uint256 x) internal pure returns (uint256) {\n        return ternary(x == 0, 256, 255 - log2(x));\n    }\n}\n"},"@openzeppelin/contracts/utils/Panic.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Helper library for emitting standardized panic codes.\n *\n * ```solidity\n * contract Example {\n *      using Panic for uint256;\n *\n *      // Use any of the declared internal constants\n *      function foo() { Panic.GENERIC.panic(); }\n *\n *      // Alternatively\n *      function foo() { Panic.panic(Panic.GENERIC); }\n * }\n * ```\n *\n * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].\n *\n * _Available since v5.1._\n */\n// slither-disable-next-line unused-state\nlibrary Panic {\n    /// @dev generic / unspecified error\n    uint256 internal constant GENERIC = 0x00;\n    /// @dev used by the assert() builtin\n    uint256 internal constant ASSERT = 0x01;\n    /// @dev arithmetic underflow or overflow\n    uint256 internal constant UNDER_OVERFLOW = 0x11;\n    /// @dev division or modulo by zero\n    uint256 internal constant DIVISION_BY_ZERO = 0x12;\n    /// @dev enum conversion error\n    uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;\n    /// @dev invalid encoding in storage\n    uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;\n    /// @dev empty array pop\n    uint256 internal constant EMPTY_ARRAY_POP = 0x31;\n    /// @dev array out of bounds access\n    uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;\n    /// @dev resource error (too large allocation or too large array)\n    uint256 internal constant RESOURCE_ERROR = 0x41;\n    /// @dev calling invalid internal function\n    uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;\n\n    /// @dev Reverts with a panic code. Recommended to use with\n    /// the internal constants with predefined codes.\n    function panic(uint256 code) internal pure {\n        assembly (\"memory-safe\") {\n            mstore(0x00, 0x4e487b71)\n            mstore(0x20, code)\n            revert(0x1c, 0x24)\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/math/SafeCast.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.6.0) (utils/math/SafeCast.sol)\n// This file was procedurally generated from scripts/generate/templates/SafeCast.js.\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow\n * checks.\n *\n * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can\n * easily result in undesired exploitation or bugs, since developers usually\n * assume that overflows raise errors. `SafeCast` restores this intuition by\n * reverting the transaction when such an operation overflows.\n *\n * Using this library instead of the unchecked operations eliminates an entire\n * class of bugs, so it's recommended to use it always.\n */\nlibrary SafeCast {\n    /**\n     * @dev Value doesn't fit in a uint of `bits` size.\n     */\n    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);\n\n    /**\n     * @dev An int value doesn't fit in a uint of `bits` size.\n     */\n    error SafeCastOverflowedIntToUint(int256 value);\n\n    /**\n     * @dev Value doesn't fit in an int of `bits` size.\n     */\n    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);\n\n    /**\n     * @dev A uint value doesn't fit in an int of `bits` size.\n     */\n    error SafeCastOverflowedUintToInt(uint256 value);\n\n    /**\n     * @dev Returns the downcasted uint248 from uint256, reverting on\n     * overflow (when the input is greater than largest uint248).\n     *\n     * Counterpart to Solidity's `uint248` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 248 bits\n     */\n    function toUint248(uint256 value) internal pure returns (uint248) {\n        if (value > type(uint248).max) {\n            revert SafeCastOverflowedUintDowncast(248, value);\n        }\n        return uint248(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint240 from uint256, reverting on\n     * overflow (when the input is greater than largest uint240).\n     *\n     * Counterpart to Solidity's `uint240` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 240 bits\n     */\n    function toUint240(uint256 value) internal pure returns (uint240) {\n        if (value > type(uint240).max) {\n            revert SafeCastOverflowedUintDowncast(240, value);\n        }\n        return uint240(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint232 from uint256, reverting on\n     * overflow (when the input is greater than largest uint232).\n     *\n     * Counterpart to Solidity's `uint232` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 232 bits\n     */\n    function toUint232(uint256 value) internal pure returns (uint232) {\n        if (value > type(uint232).max) {\n            revert SafeCastOverflowedUintDowncast(232, value);\n        }\n        return uint232(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint224 from uint256, reverting on\n     * overflow (when the input is greater than largest uint224).\n     *\n     * Counterpart to Solidity's `uint224` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 224 bits\n     */\n    function toUint224(uint256 value) internal pure returns (uint224) {\n        if (value > type(uint224).max) {\n            revert SafeCastOverflowedUintDowncast(224, value);\n        }\n        return uint224(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint216 from uint256, reverting on\n     * overflow (when the input is greater than largest uint216).\n     *\n     * Counterpart to Solidity's `uint216` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 216 bits\n     */\n    function toUint216(uint256 value) internal pure returns (uint216) {\n        if (value > type(uint216).max) {\n            revert SafeCastOverflowedUintDowncast(216, value);\n        }\n        return uint216(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint208 from uint256, reverting on\n     * overflow (when the input is greater than largest uint208).\n     *\n     * Counterpart to Solidity's `uint208` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 208 bits\n     */\n    function toUint208(uint256 value) internal pure returns (uint208) {\n        if (value > type(uint208).max) {\n            revert SafeCastOverflowedUintDowncast(208, value);\n        }\n        return uint208(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint200 from uint256, reverting on\n     * overflow (when the input is greater than largest uint200).\n     *\n     * Counterpart to Solidity's `uint200` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 200 bits\n     */\n    function toUint200(uint256 value) internal pure returns (uint200) {\n        if (value > type(uint200).max) {\n            revert SafeCastOverflowedUintDowncast(200, value);\n        }\n        return uint200(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint192 from uint256, reverting on\n     * overflow (when the input is greater than largest uint192).\n     *\n     * Counterpart to Solidity's `uint192` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 192 bits\n     */\n    function toUint192(uint256 value) internal pure returns (uint192) {\n        if (value > type(uint192).max) {\n            revert SafeCastOverflowedUintDowncast(192, value);\n        }\n        return uint192(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint184 from uint256, reverting on\n     * overflow (when the input is greater than largest uint184).\n     *\n     * Counterpart to Solidity's `uint184` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 184 bits\n     */\n    function toUint184(uint256 value) internal pure returns (uint184) {\n        if (value > type(uint184).max) {\n            revert SafeCastOverflowedUintDowncast(184, value);\n        }\n        return uint184(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint176 from uint256, reverting on\n     * overflow (when the input is greater than largest uint176).\n     *\n     * Counterpart to Solidity's `uint176` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 176 bits\n     */\n    function toUint176(uint256 value) internal pure returns (uint176) {\n        if (value > type(uint176).max) {\n            revert SafeCastOverflowedUintDowncast(176, value);\n        }\n        return uint176(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint168 from uint256, reverting on\n     * overflow (when the input is greater than largest uint168).\n     *\n     * Counterpart to Solidity's `uint168` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 168 bits\n     */\n    function toUint168(uint256 value) internal pure returns (uint168) {\n        if (value > type(uint168).max) {\n            revert SafeCastOverflowedUintDowncast(168, value);\n        }\n        return uint168(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint160 from uint256, reverting on\n     * overflow (when the input is greater than largest uint160).\n     *\n     * Counterpart to Solidity's `uint160` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 160 bits\n     */\n    function toUint160(uint256 value) internal pure returns (uint160) {\n        if (value > type(uint160).max) {\n            revert SafeCastOverflowedUintDowncast(160, value);\n        }\n        return uint160(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint152 from uint256, reverting on\n     * overflow (when the input is greater than largest uint152).\n     *\n     * Counterpart to Solidity's `uint152` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 152 bits\n     */\n    function toUint152(uint256 value) internal pure returns (uint152) {\n        if (value > type(uint152).max) {\n            revert SafeCastOverflowedUintDowncast(152, value);\n        }\n        return uint152(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint144 from uint256, reverting on\n     * overflow (when the input is greater than largest uint144).\n     *\n     * Counterpart to Solidity's `uint144` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 144 bits\n     */\n    function toUint144(uint256 value) internal pure returns (uint144) {\n        if (value > type(uint144).max) {\n            revert SafeCastOverflowedUintDowncast(144, value);\n        }\n        return uint144(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint136 from uint256, reverting on\n     * overflow (when the input is greater than largest uint136).\n     *\n     * Counterpart to Solidity's `uint136` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 136 bits\n     */\n    function toUint136(uint256 value) internal pure returns (uint136) {\n        if (value > type(uint136).max) {\n            revert SafeCastOverflowedUintDowncast(136, value);\n        }\n        return uint136(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint128 from uint256, reverting on\n     * overflow (when the input is greater than largest uint128).\n     *\n     * Counterpart to Solidity's `uint128` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 128 bits\n     */\n    function toUint128(uint256 value) internal pure returns (uint128) {\n        if (value > type(uint128).max) {\n            revert SafeCastOverflowedUintDowncast(128, value);\n        }\n        return uint128(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint120 from uint256, reverting on\n     * overflow (when the input is greater than largest uint120).\n     *\n     * Counterpart to Solidity's `uint120` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 120 bits\n     */\n    function toUint120(uint256 value) internal pure returns (uint120) {\n        if (value > type(uint120).max) {\n            revert SafeCastOverflowedUintDowncast(120, value);\n        }\n        return uint120(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint112 from uint256, reverting on\n     * overflow (when the input is greater than largest uint112).\n     *\n     * Counterpart to Solidity's `uint112` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 112 bits\n     */\n    function toUint112(uint256 value) internal pure returns (uint112) {\n        if (value > type(uint112).max) {\n            revert SafeCastOverflowedUintDowncast(112, value);\n        }\n        return uint112(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint104 from uint256, reverting on\n     * overflow (when the input is greater than largest uint104).\n     *\n     * Counterpart to Solidity's `uint104` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 104 bits\n     */\n    function toUint104(uint256 value) internal pure returns (uint104) {\n        if (value > type(uint104).max) {\n            revert SafeCastOverflowedUintDowncast(104, value);\n        }\n        return uint104(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint96 from uint256, reverting on\n     * overflow (when the input is greater than largest uint96).\n     *\n     * Counterpart to Solidity's `uint96` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 96 bits\n     */\n    function toUint96(uint256 value) internal pure returns (uint96) {\n        if (value > type(uint96).max) {\n            revert SafeCastOverflowedUintDowncast(96, value);\n        }\n        return uint96(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint88 from uint256, reverting on\n     * overflow (when the input is greater than largest uint88).\n     *\n     * Counterpart to Solidity's `uint88` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 88 bits\n     */\n    function toUint88(uint256 value) internal pure returns (uint88) {\n        if (value > type(uint88).max) {\n            revert SafeCastOverflowedUintDowncast(88, value);\n        }\n        return uint88(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint80 from uint256, reverting on\n     * overflow (when the input is greater than largest uint80).\n     *\n     * Counterpart to Solidity's `uint80` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 80 bits\n     */\n    function toUint80(uint256 value) internal pure returns (uint80) {\n        if (value > type(uint80).max) {\n            revert SafeCastOverflowedUintDowncast(80, value);\n        }\n        return uint80(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint72 from uint256, reverting on\n     * overflow (when the input is greater than largest uint72).\n     *\n     * Counterpart to Solidity's `uint72` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 72 bits\n     */\n    function toUint72(uint256 value) internal pure returns (uint72) {\n        if (value > type(uint72).max) {\n            revert SafeCastOverflowedUintDowncast(72, value);\n        }\n        return uint72(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint64 from uint256, reverting on\n     * overflow (when the input is greater than largest uint64).\n     *\n     * Counterpart to Solidity's `uint64` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 64 bits\n     */\n    function toUint64(uint256 value) internal pure returns (uint64) {\n        if (value > type(uint64).max) {\n            revert SafeCastOverflowedUintDowncast(64, value);\n        }\n        return uint64(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint56 from uint256, reverting on\n     * overflow (when the input is greater than largest uint56).\n     *\n     * Counterpart to Solidity's `uint56` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 56 bits\n     */\n    function toUint56(uint256 value) internal pure returns (uint56) {\n        if (value > type(uint56).max) {\n            revert SafeCastOverflowedUintDowncast(56, value);\n        }\n        return uint56(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint48 from uint256, reverting on\n     * overflow (when the input is greater than largest uint48).\n     *\n     * Counterpart to Solidity's `uint48` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 48 bits\n     */\n    function toUint48(uint256 value) internal pure returns (uint48) {\n        if (value > type(uint48).max) {\n            revert SafeCastOverflowedUintDowncast(48, value);\n        }\n        return uint48(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint40 from uint256, reverting on\n     * overflow (when the input is greater than largest uint40).\n     *\n     * Counterpart to Solidity's `uint40` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 40 bits\n     */\n    function toUint40(uint256 value) internal pure returns (uint40) {\n        if (value > type(uint40).max) {\n            revert SafeCastOverflowedUintDowncast(40, value);\n        }\n        return uint40(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint32 from uint256, reverting on\n     * overflow (when the input is greater than largest uint32).\n     *\n     * Counterpart to Solidity's `uint32` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 32 bits\n     */\n    function toUint32(uint256 value) internal pure returns (uint32) {\n        if (value > type(uint32).max) {\n            revert SafeCastOverflowedUintDowncast(32, value);\n        }\n        return uint32(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint24 from uint256, reverting on\n     * overflow (when the input is greater than largest uint24).\n     *\n     * Counterpart to Solidity's `uint24` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 24 bits\n     */\n    function toUint24(uint256 value) internal pure returns (uint24) {\n        if (value > type(uint24).max) {\n            revert SafeCastOverflowedUintDowncast(24, value);\n        }\n        return uint24(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint16 from uint256, reverting on\n     * overflow (when the input is greater than largest uint16).\n     *\n     * Counterpart to Solidity's `uint16` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 16 bits\n     */\n    function toUint16(uint256 value) internal pure returns (uint16) {\n        if (value > type(uint16).max) {\n            revert SafeCastOverflowedUintDowncast(16, value);\n        }\n        return uint16(value);\n    }\n\n    /**\n     * @dev Returns the downcasted uint8 from uint256, reverting on\n     * overflow (when the input is greater than largest uint8).\n     *\n     * Counterpart to Solidity's `uint8` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 8 bits\n     */\n    function toUint8(uint256 value) internal pure returns (uint8) {\n        if (value > type(uint8).max) {\n            revert SafeCastOverflowedUintDowncast(8, value);\n        }\n        return uint8(value);\n    }\n\n    /**\n     * @dev Converts a signed int256 into an unsigned uint256.\n     *\n     * Requirements:\n     *\n     * - input must be greater than or equal to 0.\n     */\n    function toUint256(int256 value) internal pure returns (uint256) {\n        if (value < 0) {\n            revert SafeCastOverflowedIntToUint(value);\n        }\n        return uint256(value);\n    }\n\n    /**\n     * @dev Returns the downcasted int248 from int256, reverting on\n     * overflow (when the input is less than smallest int248 or\n     * greater than largest int248).\n     *\n     * Counterpart to Solidity's `int248` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 248 bits\n     */\n    function toInt248(int256 value) internal pure returns (int248 downcasted) {\n        downcasted = int248(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(248, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int240 from int256, reverting on\n     * overflow (when the input is less than smallest int240 or\n     * greater than largest int240).\n     *\n     * Counterpart to Solidity's `int240` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 240 bits\n     */\n    function toInt240(int256 value) internal pure returns (int240 downcasted) {\n        downcasted = int240(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(240, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int232 from int256, reverting on\n     * overflow (when the input is less than smallest int232 or\n     * greater than largest int232).\n     *\n     * Counterpart to Solidity's `int232` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 232 bits\n     */\n    function toInt232(int256 value) internal pure returns (int232 downcasted) {\n        downcasted = int232(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(232, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int224 from int256, reverting on\n     * overflow (when the input is less than smallest int224 or\n     * greater than largest int224).\n     *\n     * Counterpart to Solidity's `int224` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 224 bits\n     */\n    function toInt224(int256 value) internal pure returns (int224 downcasted) {\n        downcasted = int224(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(224, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int216 from int256, reverting on\n     * overflow (when the input is less than smallest int216 or\n     * greater than largest int216).\n     *\n     * Counterpart to Solidity's `int216` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 216 bits\n     */\n    function toInt216(int256 value) internal pure returns (int216 downcasted) {\n        downcasted = int216(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(216, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int208 from int256, reverting on\n     * overflow (when the input is less than smallest int208 or\n     * greater than largest int208).\n     *\n     * Counterpart to Solidity's `int208` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 208 bits\n     */\n    function toInt208(int256 value) internal pure returns (int208 downcasted) {\n        downcasted = int208(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(208, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int200 from int256, reverting on\n     * overflow (when the input is less than smallest int200 or\n     * greater than largest int200).\n     *\n     * Counterpart to Solidity's `int200` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 200 bits\n     */\n    function toInt200(int256 value) internal pure returns (int200 downcasted) {\n        downcasted = int200(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(200, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int192 from int256, reverting on\n     * overflow (when the input is less than smallest int192 or\n     * greater than largest int192).\n     *\n     * Counterpart to Solidity's `int192` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 192 bits\n     */\n    function toInt192(int256 value) internal pure returns (int192 downcasted) {\n        downcasted = int192(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(192, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int184 from int256, reverting on\n     * overflow (when the input is less than smallest int184 or\n     * greater than largest int184).\n     *\n     * Counterpart to Solidity's `int184` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 184 bits\n     */\n    function toInt184(int256 value) internal pure returns (int184 downcasted) {\n        downcasted = int184(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(184, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int176 from int256, reverting on\n     * overflow (when the input is less than smallest int176 or\n     * greater than largest int176).\n     *\n     * Counterpart to Solidity's `int176` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 176 bits\n     */\n    function toInt176(int256 value) internal pure returns (int176 downcasted) {\n        downcasted = int176(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(176, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int168 from int256, reverting on\n     * overflow (when the input is less than smallest int168 or\n     * greater than largest int168).\n     *\n     * Counterpart to Solidity's `int168` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 168 bits\n     */\n    function toInt168(int256 value) internal pure returns (int168 downcasted) {\n        downcasted = int168(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(168, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int160 from int256, reverting on\n     * overflow (when the input is less than smallest int160 or\n     * greater than largest int160).\n     *\n     * Counterpart to Solidity's `int160` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 160 bits\n     */\n    function toInt160(int256 value) internal pure returns (int160 downcasted) {\n        downcasted = int160(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(160, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int152 from int256, reverting on\n     * overflow (when the input is less than smallest int152 or\n     * greater than largest int152).\n     *\n     * Counterpart to Solidity's `int152` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 152 bits\n     */\n    function toInt152(int256 value) internal pure returns (int152 downcasted) {\n        downcasted = int152(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(152, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int144 from int256, reverting on\n     * overflow (when the input is less than smallest int144 or\n     * greater than largest int144).\n     *\n     * Counterpart to Solidity's `int144` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 144 bits\n     */\n    function toInt144(int256 value) internal pure returns (int144 downcasted) {\n        downcasted = int144(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(144, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int136 from int256, reverting on\n     * overflow (when the input is less than smallest int136 or\n     * greater than largest int136).\n     *\n     * Counterpart to Solidity's `int136` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 136 bits\n     */\n    function toInt136(int256 value) internal pure returns (int136 downcasted) {\n        downcasted = int136(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(136, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int128 from int256, reverting on\n     * overflow (when the input is less than smallest int128 or\n     * greater than largest int128).\n     *\n     * Counterpart to Solidity's `int128` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 128 bits\n     */\n    function toInt128(int256 value) internal pure returns (int128 downcasted) {\n        downcasted = int128(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(128, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int120 from int256, reverting on\n     * overflow (when the input is less than smallest int120 or\n     * greater than largest int120).\n     *\n     * Counterpart to Solidity's `int120` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 120 bits\n     */\n    function toInt120(int256 value) internal pure returns (int120 downcasted) {\n        downcasted = int120(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(120, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int112 from int256, reverting on\n     * overflow (when the input is less than smallest int112 or\n     * greater than largest int112).\n     *\n     * Counterpart to Solidity's `int112` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 112 bits\n     */\n    function toInt112(int256 value) internal pure returns (int112 downcasted) {\n        downcasted = int112(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(112, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int104 from int256, reverting on\n     * overflow (when the input is less than smallest int104 or\n     * greater than largest int104).\n     *\n     * Counterpart to Solidity's `int104` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 104 bits\n     */\n    function toInt104(int256 value) internal pure returns (int104 downcasted) {\n        downcasted = int104(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(104, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int96 from int256, reverting on\n     * overflow (when the input is less than smallest int96 or\n     * greater than largest int96).\n     *\n     * Counterpart to Solidity's `int96` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 96 bits\n     */\n    function toInt96(int256 value) internal pure returns (int96 downcasted) {\n        downcasted = int96(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(96, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int88 from int256, reverting on\n     * overflow (when the input is less than smallest int88 or\n     * greater than largest int88).\n     *\n     * Counterpart to Solidity's `int88` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 88 bits\n     */\n    function toInt88(int256 value) internal pure returns (int88 downcasted) {\n        downcasted = int88(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(88, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int80 from int256, reverting on\n     * overflow (when the input is less than smallest int80 or\n     * greater than largest int80).\n     *\n     * Counterpart to Solidity's `int80` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 80 bits\n     */\n    function toInt80(int256 value) internal pure returns (int80 downcasted) {\n        downcasted = int80(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(80, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int72 from int256, reverting on\n     * overflow (when the input is less than smallest int72 or\n     * greater than largest int72).\n     *\n     * Counterpart to Solidity's `int72` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 72 bits\n     */\n    function toInt72(int256 value) internal pure returns (int72 downcasted) {\n        downcasted = int72(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(72, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int64 from int256, reverting on\n     * overflow (when the input is less than smallest int64 or\n     * greater than largest int64).\n     *\n     * Counterpart to Solidity's `int64` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 64 bits\n     */\n    function toInt64(int256 value) internal pure returns (int64 downcasted) {\n        downcasted = int64(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(64, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int56 from int256, reverting on\n     * overflow (when the input is less than smallest int56 or\n     * greater than largest int56).\n     *\n     * Counterpart to Solidity's `int56` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 56 bits\n     */\n    function toInt56(int256 value) internal pure returns (int56 downcasted) {\n        downcasted = int56(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(56, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int48 from int256, reverting on\n     * overflow (when the input is less than smallest int48 or\n     * greater than largest int48).\n     *\n     * Counterpart to Solidity's `int48` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 48 bits\n     */\n    function toInt48(int256 value) internal pure returns (int48 downcasted) {\n        downcasted = int48(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(48, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int40 from int256, reverting on\n     * overflow (when the input is less than smallest int40 or\n     * greater than largest int40).\n     *\n     * Counterpart to Solidity's `int40` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 40 bits\n     */\n    function toInt40(int256 value) internal pure returns (int40 downcasted) {\n        downcasted = int40(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(40, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int32 from int256, reverting on\n     * overflow (when the input is less than smallest int32 or\n     * greater than largest int32).\n     *\n     * Counterpart to Solidity's `int32` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 32 bits\n     */\n    function toInt32(int256 value) internal pure returns (int32 downcasted) {\n        downcasted = int32(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(32, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int24 from int256, reverting on\n     * overflow (when the input is less than smallest int24 or\n     * greater than largest int24).\n     *\n     * Counterpart to Solidity's `int24` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 24 bits\n     */\n    function toInt24(int256 value) internal pure returns (int24 downcasted) {\n        downcasted = int24(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(24, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int16 from int256, reverting on\n     * overflow (when the input is less than smallest int16 or\n     * greater than largest int16).\n     *\n     * Counterpart to Solidity's `int16` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 16 bits\n     */\n    function toInt16(int256 value) internal pure returns (int16 downcasted) {\n        downcasted = int16(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(16, value);\n        }\n    }\n\n    /**\n     * @dev Returns the downcasted int8 from int256, reverting on\n     * overflow (when the input is less than smallest int8 or\n     * greater than largest int8).\n     *\n     * Counterpart to Solidity's `int8` operator.\n     *\n     * Requirements:\n     *\n     * - input must fit into 8 bits\n     */\n    function toInt8(int256 value) internal pure returns (int8 downcasted) {\n        downcasted = int8(value);\n        if (downcasted != value) {\n            revert SafeCastOverflowedIntDowncast(8, value);\n        }\n    }\n\n    /**\n     * @dev Converts an unsigned uint256 into a signed int256.\n     *\n     * Requirements:\n     *\n     * - input must be less than or equal to maxInt256.\n     */\n    function toInt256(uint256 value) internal pure returns (int256) {\n        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive\n        if (value > uint256(type(int256).max)) {\n            revert SafeCastOverflowedUintToInt(value);\n        }\n        return int256(value);\n    }\n\n    /**\n     * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.\n     */\n    function toUint(bool b) internal pure returns (uint256 u) {\n        assembly (\"memory-safe\") {\n            u := iszero(iszero(b))\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/math/SignedMath.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\n\nimport {SafeCast} from \"./SafeCast.sol\";\n\n/**\n * @dev Standard signed math utilities missing in the Solidity language.\n */\nlibrary SignedMath {\n    /**\n     * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.\n     *\n     * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.\n     * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute\n     * one branch when needed, making this function more expensive.\n     */\n    function ternary(bool condition, int256 a, int256 b) internal pure returns (int256) {\n        unchecked {\n            // branchless ternary works because:\n            // b ^ (a ^ b) == a\n            // b ^ 0 == b\n            return b ^ ((a ^ b) * int256(SafeCast.toUint(condition)));\n        }\n    }\n\n    /**\n     * @dev Returns the largest of two signed numbers.\n     */\n    function max(int256 a, int256 b) internal pure returns (int256) {\n        return ternary(a > b, a, b);\n    }\n\n    /**\n     * @dev Returns the smallest of two signed numbers.\n     */\n    function min(int256 a, int256 b) internal pure returns (int256) {\n        return ternary(a < b, a, b);\n    }\n\n    /**\n     * @dev Returns the average of two signed numbers without overflow.\n     * The result is rounded towards zero.\n     */\n    function average(int256 a, int256 b) internal pure returns (int256) {\n        // Formula from the book \"Hacker's Delight\"\n        int256 x = (a & b) + ((a ^ b) >> 1);\n        return x + (int256(uint256(x) >> 255) & (a ^ b));\n    }\n\n    /**\n     * @dev Returns the absolute unsigned value of a signed value.\n     */\n    function abs(int256 n) internal pure returns (uint256) {\n        unchecked {\n            // Formula from the \"Bit Twiddling Hacks\" by Sean Eron Anderson.\n            // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift,\n            // taking advantage of the most significant (or \"sign\" bit) in two's complement representation.\n            // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result,\n            // the mask will either be `bytes32(0)` (if n is positive) or `~bytes32(0)` (if n is negative).\n            int256 mask = n >> 255;\n\n            // A `bytes32(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it.\n            return uint256((n + mask) ^ mask);\n        }\n    }\n}\n"},"@openzeppelin/contracts/utils/Bytes.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.6.0) (utils/Bytes.sol)\n\npragma solidity ^0.8.24;\n\nimport {Math} from \"./math/Math.sol\";\n\n/**\n * @dev Bytes operations.\n */\nlibrary Bytes {\n    /**\n     * @dev Forward search for `s` in `buffer`\n     * * If `s` is present in the buffer, returns the index of the first instance\n     * * If `s` is not present in the buffer, returns type(uint256).max\n     *\n     * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf[Javascript's `Array.indexOf`]\n     */\n    function indexOf(bytes memory buffer, bytes1 s) internal pure returns (uint256) {\n        return indexOf(buffer, s, 0);\n    }\n\n    /**\n     * @dev Forward search for `s` in `buffer` starting at position `pos`\n     * * If `s` is present in the buffer (at or after `pos`), returns the index of the next instance\n     * * If `s` is not present in the buffer (at or after `pos`), returns type(uint256).max\n     *\n     * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf[Javascript's `Array.indexOf`]\n     */\n    function indexOf(bytes memory buffer, bytes1 s, uint256 pos) internal pure returns (uint256) {\n        uint256 length = buffer.length;\n        for (uint256 i = pos; i < length; ++i) {\n            if (bytes1(_unsafeReadBytesOffset(buffer, i)) == s) {\n                return i;\n            }\n        }\n        return type(uint256).max;\n    }\n\n    /**\n     * @dev Backward search for `s` in `buffer`\n     * * If `s` is present in the buffer, returns the index of the last instance\n     * * If `s` is not present in the buffer, returns type(uint256).max\n     *\n     * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf[Javascript's `Array.lastIndexOf`]\n     */\n    function lastIndexOf(bytes memory buffer, bytes1 s) internal pure returns (uint256) {\n        return lastIndexOf(buffer, s, type(uint256).max);\n    }\n\n    /**\n     * @dev Backward search for `s` in `buffer` starting at position `pos`\n     * * If `s` is present in the buffer (at or before `pos`), returns the index of the previous instance\n     * * If `s` is not present in the buffer (at or before `pos`), returns type(uint256).max\n     *\n     * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf[Javascript's `Array.lastIndexOf`]\n     */\n    function lastIndexOf(bytes memory buffer, bytes1 s, uint256 pos) internal pure returns (uint256) {\n        unchecked {\n            uint256 length = buffer.length;\n            for (uint256 i = Math.min(Math.saturatingAdd(pos, 1), length); i > 0; --i) {\n                if (bytes1(_unsafeReadBytesOffset(buffer, i - 1)) == s) {\n                    return i - 1;\n                }\n            }\n            return type(uint256).max;\n        }\n    }\n\n    /**\n     * @dev Copies the content of `buffer`, from `start` (included) to the end of `buffer` into a new bytes object in\n     * memory.\n     *\n     * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice[Javascript's `Array.slice`]\n     */\n    function slice(bytes memory buffer, uint256 start) internal pure returns (bytes memory) {\n        return slice(buffer, start, buffer.length);\n    }\n\n    /**\n     * @dev Copies the content of `buffer`, from `start` (included) to `end` (excluded) into a new bytes object in\n     * memory. The `end` argument is truncated to the length of the `buffer`.\n     *\n     * NOTE: replicates the behavior of https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice[Javascript's `Array.slice`]\n     */\n    function slice(bytes memory buffer, uint256 start, uint256 end) internal pure returns (bytes memory) {\n        // sanitize\n        end = Math.min(end, buffer.length);\n        start = Math.min(start, end);\n\n        // allocate and copy\n        bytes memory result = new bytes(end - start);\n        assembly (\"memory-safe\") {\n            mcopy(add(result, 0x20), add(add(buffer, 0x20), start), sub(end, start))\n        }\n\n        return result;\n    }\n\n    /**\n     * @dev Moves the content of `buffer`, from `start` (included) to the end of `buffer` to the start of that buffer,\n     * and shrinks the buffer length accordingly, effectively overriding the content of buffer with buffer[start:].\n     *\n     * NOTE: This function modifies the provided buffer in place. If you need to preserve the original buffer, use {slice} instead\n     */\n    function splice(bytes memory buffer, uint256 start) internal pure returns (bytes memory) {\n        return splice(buffer, start, buffer.length);\n    }\n\n    /**\n     * @dev Moves the content of `buffer`, from `start` (included) to `end` (excluded) to the start of that buffer,\n     * and shrinks the buffer length accordingly, effectively overriding the content of buffer with buffer[start:end].\n     * The `end` argument is truncated to the length of the `buffer`.\n     *\n     * NOTE: This function modifies the provided buffer in place. If you need to preserve the original buffer, use {slice} instead\n     */\n    function splice(bytes memory buffer, uint256 start, uint256 end) internal pure returns (bytes memory) {\n        // sanitize\n        end = Math.min(end, buffer.length);\n        start = Math.min(start, end);\n\n        // move and resize\n        assembly (\"memory-safe\") {\n            mcopy(add(buffer, 0x20), add(add(buffer, 0x20), start), sub(end, start))\n            mstore(buffer, sub(end, start))\n        }\n\n        return buffer;\n    }\n\n    /**\n     * @dev Replaces bytes in `buffer` starting at `pos` with all bytes from `replacement`.\n     *\n     * Parameters are clamped to valid ranges (i.e. `pos` is clamped to `[0, buffer.length]`).\n     * If `pos >= buffer.length`, no replacement occurs and the buffer is returned unchanged.\n     *\n     * NOTE: This function modifies the provided buffer in place.\n     */\n    function replace(bytes memory buffer, uint256 pos, bytes memory replacement) internal pure returns (bytes memory) {\n        return replace(buffer, pos, replacement, 0, replacement.length);\n    }\n\n    /**\n     * @dev Replaces bytes in `buffer` starting at `pos` with bytes from `replacement` starting at `offset`.\n     * Copies at most `length` bytes from `replacement` to `buffer`.\n     *\n     * Parameters are clamped to valid ranges (i.e. `pos` is clamped to `[0, buffer.length]`, `offset` is\n     * clamped to `[0, replacement.length]`, and `length` is clamped to `min(length, replacement.length - offset,\n     * buffer.length - pos))`. If `pos >= buffer.length` or `offset >= replacement.length`, no replacement occurs\n     * and the buffer is returned unchanged.\n     *\n     * NOTE: This function modifies the provided buffer in place.\n     */\n    function replace(\n        bytes memory buffer,\n        uint256 pos,\n        bytes memory replacement,\n        uint256 offset,\n        uint256 length\n    ) internal pure returns (bytes memory) {\n        // sanitize\n        pos = Math.min(pos, buffer.length);\n        offset = Math.min(offset, replacement.length);\n        length = Math.min(length, Math.min(replacement.length - offset, buffer.length - pos));\n\n        // replace\n        assembly (\"memory-safe\") {\n            mcopy(add(add(buffer, 0x20), pos), add(add(replacement, 0x20), offset), length)\n        }\n\n        return buffer;\n    }\n\n    /**\n     * @dev Concatenate an array of bytes into a single bytes object.\n     *\n     * For fixed bytes types, we recommend using the solidity built-in `bytes.concat` or (equivalent)\n     * `abi.encodePacked`.\n     *\n     * NOTE: this could be done in assembly with a single loop that expands starting at the FMP, but that would be\n     * significantly less readable. It might be worth benchmarking the savings of the full-assembly approach.\n     */\n    function concat(bytes[] memory buffers) internal pure returns (bytes memory) {\n        uint256 length = 0;\n        for (uint256 i = 0; i < buffers.length; ++i) {\n            length += buffers[i].length;\n        }\n\n        bytes memory result = new bytes(length);\n\n        uint256 offset = 0x20;\n        for (uint256 i = 0; i < buffers.length; ++i) {\n            bytes memory input = buffers[i];\n            assembly (\"memory-safe\") {\n                mcopy(add(result, offset), add(input, 0x20), mload(input))\n            }\n            unchecked {\n                offset += input.length;\n            }\n        }\n\n        return result;\n    }\n\n    /**\n     * @dev Split each byte in `input` into two nibbles (4 bits each)\n     *\n     * Example: hex\"01234567\" → hex\"0001020304050607\"\n     */\n    function toNibbles(bytes memory input) internal pure returns (bytes memory output) {\n        assembly (\"memory-safe\") {\n            let length := mload(input)\n            output := mload(0x40)\n            mstore(0x40, add(add(output, 0x20), mul(length, 2)))\n            mstore(output, mul(length, 2))\n            for {\n                let i := 0\n            } lt(i, length) {\n                i := add(i, 0x10)\n            } {\n                let chunk := shr(128, mload(add(add(input, 0x20), i)))\n                chunk := and(\n                    0x0000000000000000ffffffffffffffff0000000000000000ffffffffffffffff,\n                    or(shl(64, chunk), chunk)\n                )\n                chunk := and(\n                    0x00000000ffffffff00000000ffffffff00000000ffffffff00000000ffffffff,\n                    or(shl(32, chunk), chunk)\n                )\n                chunk := and(\n                    0x0000ffff0000ffff0000ffff0000ffff0000ffff0000ffff0000ffff0000ffff,\n                    or(shl(16, chunk), chunk)\n                )\n                chunk := and(\n                    0x00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff00ff,\n                    or(shl(8, chunk), chunk)\n                )\n                chunk := and(\n                    0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f,\n                    or(shl(4, chunk), chunk)\n                )\n                mstore(add(add(output, 0x20), mul(i, 2)), chunk)\n            }\n        }\n    }\n\n    /**\n     * @dev Returns true if the two byte buffers are equal.\n     */\n    function equal(bytes memory a, bytes memory b) internal pure returns (bool) {\n        return a.length == b.length && keccak256(a) == keccak256(b);\n    }\n\n    /**\n     * @dev Reverses the byte order of a bytes32 value, converting between little-endian and big-endian.\n     * Inspired by https://graphics.stanford.edu/~seander/bithacks.html#ReverseParallel[Reverse Parallel]\n     */\n    function reverseBytes32(bytes32 value) internal pure returns (bytes32) {\n        value = // swap bytes\n            ((value >> 8) & 0x00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF) |\n            ((value & 0x00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF) << 8);\n        value = // swap 2-byte long pairs\n            ((value >> 16) & 0x0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF) |\n            ((value & 0x0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF) << 16);\n        value = // swap 4-byte long pairs\n            ((value >> 32) & 0x00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF) |\n            ((value & 0x00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF) << 32);\n        value = // swap 8-byte long pairs\n            ((value >> 64) & 0x0000000000000000FFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF) |\n            ((value & 0x0000000000000000FFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF) << 64);\n        return (value >> 128) | (value << 128); // swap 16-byte long pairs\n    }\n\n    /// @dev Same as {reverseBytes32} but optimized for 128-bit values.\n    function reverseBytes16(bytes16 value) internal pure returns (bytes16) {\n        value = // swap bytes\n            ((value & 0xFF00FF00FF00FF00FF00FF00FF00FF00) >> 8) |\n            ((value & 0x00FF00FF00FF00FF00FF00FF00FF00FF) << 8);\n        value = // swap 2-byte long pairs\n            ((value & 0xFFFF0000FFFF0000FFFF0000FFFF0000) >> 16) |\n            ((value & 0x0000FFFF0000FFFF0000FFFF0000FFFF) << 16);\n        value = // swap 4-byte long pairs\n            ((value & 0xFFFFFFFF00000000FFFFFFFF00000000) >> 32) |\n            ((value & 0x00000000FFFFFFFF00000000FFFFFFFF) << 32);\n        return (value >> 64) | (value << 64); // swap 8-byte long pairs\n    }\n\n    /// @dev Same as {reverseBytes32} but optimized for 64-bit values.\n    function reverseBytes8(bytes8 value) internal pure returns (bytes8) {\n        value = ((value & 0xFF00FF00FF00FF00) >> 8) | ((value & 0x00FF00FF00FF00FF) << 8); // swap bytes\n        value = ((value & 0xFFFF0000FFFF0000) >> 16) | ((value & 0x0000FFFF0000FFFF) << 16); // swap 2-byte long pairs\n        return (value >> 32) | (value << 32); // swap 4-byte long pairs\n    }\n\n    /// @dev Same as {reverseBytes32} but optimized for 32-bit values.\n    function reverseBytes4(bytes4 value) internal pure returns (bytes4) {\n        value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8); // swap bytes\n        return (value >> 16) | (value << 16); // swap 2-byte long pairs\n    }\n\n    /// @dev Same as {reverseBytes32} but optimized for 16-bit values.\n    function reverseBytes2(bytes2 value) internal pure returns (bytes2) {\n        return (value >> 8) | (value << 8);\n    }\n\n    /**\n     * @dev Counts the number of leading zero bits a bytes array. Returns `8 * buffer.length`\n     * if the buffer is all zeros.\n     */\n    function clz(bytes memory buffer) internal pure returns (uint256) {\n        for (uint256 i = 0; i < buffer.length; i += 0x20) {\n            bytes32 chunk = _unsafeReadBytesOffset(buffer, i);\n            if (chunk != bytes32(0)) {\n                return Math.min(8 * i + Math.clz(uint256(chunk)), 8 * buffer.length);\n            }\n        }\n        return 8 * buffer.length;\n    }\n\n    /**\n     * @dev Reads a bytes32 from a bytes array without bounds checking.\n     *\n     * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the\n     * assembly block as such would prevent some optimizations.\n     */\n    function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) {\n        // This is not memory safe in the general case, but all calls to this private function are within bounds.\n        assembly (\"memory-safe\") {\n            value := mload(add(add(buffer, 0x20), offset))\n        }\n    }\n}\n"},"@openzeppelin/contracts/token/ERC20/IERC20.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-20 standard as defined in the ERC.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the value of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the value of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the\n     * allowance mechanism. `value` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n"}},"abi":[{"type":"constructor","inputs":[{"name":"_baseURI","type":"string","internalType":"string"}],"stateMutability":"nonpayable"},{"name":"ApprovalCallerNotOwnerNorApproved","type":"error","inputs":[]},{"name":"ApprovalQueryForNonexistentToken","type":"error","inputs":[]},{"name":"BadValue","type":"error","inputs":[]},{"name":"BalanceQueryForZeroAddress","type":"error","inputs":[]},{"name":"MintERC2309QuantityExceedsLimit","type":"error","inputs":[]},{"name":"MintToZeroAddress","type":"error","inputs":[]},{"name":"MintZeroQuantity","type":"error","inputs":[]},{"name":"NoAgentId","type":"error","inputs":[]},{"name":"NotCompatibleWithSpotMints","type":"error","inputs":[]},{"name":"OwnableInvalidOwner","type":"error","inputs":[{"name":"owner","type":"address","internalType":"address"}]},{"name":"OwnableUnauthorizedAccount","type":"error","inputs":[{"name":"account","type":"address","internalType":"address"}]},{"name":"OwnerQueryForNonexistentToken","type":"error","inputs":[]},{"name":"OwnershipNotInitializedForExtraData","type":"error","inputs":[]},{"name":"SequentialMintExceedsLimit","type":"error","inputs":[]},{"name":"SequentialUpToTooSmall","type":"error","inputs":[]},{"name":"SpotMintTokenIdTooSmall","type":"error","inputs":[]},{"name":"TokenAlreadyExists","type":"error","inputs":[]},{"name":"TransferCallerNotOwnerNorApproved","type":"error","inputs":[]},{"name":"TransferFromIncorrectOwner","type":"error","inputs":[]},{"name":"TransferToNonERC721ReceiverImplementer","type":"error","inputs":[]},{"name":"TransferToZeroAddress","type":"error","inputs":[]},{"name":"URIQueryForNonexistentToken","type":"error","inputs":[]},{"name":"AgentMinted","type":"event","inputs":[{"name":"to","type":"address","indexed":true,"internalType":"address"},{"name":"tokenId","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"agent","type":"string","indexed":false,"internalType":"string"}],"anonymous":false},{"name":"Approval","type":"event","inputs":[{"name":"owner","type":"address","indexed":true,"internalType":"address"},{"name":"approved","type":"address","indexed":true,"internalType":"address"},{"name":"tokenId","type":"uint256","indexed":true,"internalType":"uint256"}],"anonymous":false},{"name":"ApprovalForAll","type":"event","inputs":[{"name":"owner","type":"address","indexed":true,"internalType":"address"},{"name":"operator","type":"address","indexed":true,"internalType":"address"},{"name":"approved","type":"bool","indexed":false,"internalType":"bool"}],"anonymous":false},{"name":"BaseURIUpdated","type":"event","inputs":[{"name":"newBaseURI","type":"string","indexed":false,"internalType":"string"}],"anonymous":false},{"name":"ConsecutiveTransfer","type":"event","inputs":[{"name":"fromTokenId","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"toTokenId","type":"uint256","indexed":false,"internalType":"uint256"},{"name":"from","type":"address","indexed":true,"internalType":"address"},{"name":"to","type":"address","indexed":true,"internalType":"address"}],"anonymous":false},{"name":"OwnershipTransferred","type":"event","inputs":[{"name":"previousOwner","type":"address","indexed":true,"internalType":"address"},{"name":"newOwner","type":"address","indexed":true,"internalType":"address"}],"anonymous":false},{"name":"Transfer","type":"event","inputs":[{"name":"from","type":"address","indexed":true,"internalType":"address"},{"name":"to","type":"address","indexed":true,"internalType":"address"},{"name":"tokenId","type":"uint256","indexed":true,"internalType":"uint256"}],"anonymous":false},{"name":"FREE_LIMIT","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"FREE_REWARD","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"MAX_FREE_PER_WALLET","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"MAX_SUPPLY","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"MINT_PRICE","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"PREMIUM_REWARD","type":"function","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"agentOf","type":"function","inputs":[{"name":"","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"agentRegistry","type":"function","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IAgentIdRegistry"}],"stateMutability":"view"},{"name":"approve","type":"function","inputs":[{"name":"to","type":"address","internalType":"address"},{"name":"tokenId","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"payable"},{"name":"balanceOf","type":"function","inputs":[{"name":"owner","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"baseURI","type":"function","inputs":[],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"freeMintCount","type":"function","inputs":[{"name":"","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"getApproved","type":"function","inputs":[{"name":"tokenId","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"name":"hasAgentId","type":"function","inputs":[{"name":"wallet","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"name":"isApprovedForAll","type":"function","inputs":[{"name":"owner","type":"address","internalType":"address"},{"name":"operator","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"name":"isPremium","type":"function","inputs":[{"name":"tokenId","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"pure"},{"name":"mint","type":"function","inputs":[{"name":"quantity","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"payable"},{"name":"name","type":"function","inputs":[],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"owner","type":"function","inputs":[],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"name":"ownerOf","type":"function","inputs":[{"name":"tokenId","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"name":"renounceOwnership","type":"function","inputs":[],"outputs":[],"stateMutability":"nonpayable"},{"name":"requireAgentId","type":"function","inputs":[],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"name":"safeTransferFrom","type":"function","inputs":[{"name":"from","type":"address","internalType":"address"},{"name":"to","type":"address","internalType":"address"},{"name":"tokenId","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"payable"},{"name":"safeTransferFrom","type":"function","inputs":[{"name":"from","type":"address","internalType":"address"},{"name":"to","type":"address","internalType":"address"},{"name":"tokenId","type":"uint256","internalType":"uint256"},{"name":"_data","type":"bytes","internalType":"bytes"}],"outputs":[],"stateMutability":"payable"},{"name":"setAgentRegistry","type":"function","inputs":[{"name":"registry","type":"address","internalType":"address"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"setApprovalForAll","type":"function","inputs":[{"name":"operator","type":"address","internalType":"address"},{"name":"approved","type":"bool","internalType":"bool"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"setBaseURI","type":"function","inputs":[{"name":"_newBaseURI","type":"string","internalType":"string"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"setRequireAgentId","type":"function","inputs":[{"name":"required","type":"bool","internalType":"bool"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"setToken","type":"function","inputs":[{"name":"_token","type":"address","internalType":"address"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"supportsInterface","type":"function","inputs":[{"name":"interfaceId","type":"bytes4","internalType":"bytes4"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"name":"symbol","type":"function","inputs":[],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"tokenURI","type":"function","inputs":[{"name":"tokenId","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"string","internalType":"string"}],"stateMutability":"view"},{"name":"totalSupply","type":"function","inputs":[],"outputs":[{"name":"result","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"name":"transferFrom","type":"function","inputs":[{"name":"from","type":"address","internalType":"address"},{"name":"to","type":"address","internalType":"address"},{"name":"tokenId","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"payable"},{"name":"transferOwnership","type":"function","inputs":[{"name":"newOwner","type":"address","internalType":"address"}],"outputs":[],"stateMutability":"nonpayable"},{"name":"wduckToken","type":"function","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IERC20"}],"stateMutability":"view"},{"name":"withdraw","type":"function","inputs":[],"outputs":[],"stateMutability":"nonpayable"}],"matchId":"58137890","creationMatch":"exact_match","runtimeMatch":"exact_match","verifiedAt":"2026-11-02T22:54:48Z","match":"exact_match","chainId":"56","address":"0xac7C0e1f36E15DBa7ED32Bf6e72D83095Ff8fd10"}