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IHalloweenRenderer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rendererLocked","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"reserveMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reserveMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"start_","type":"uint64"},{"internalType":"uint64","name":"end_","type":"uint64"}],"name":"setMintWindow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract 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payable","name":"to","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}],"devdoc":{"errors":{"ERC2981InvalidDefaultRoyalty(uint256,uint256)":[{"details":"The default royalty set is invalid (eg. (numerator / denominator) >= 1)."}],"ERC2981InvalidDefaultRoyaltyReceiver(address)":[{"details":"The default royalty receiver is invalid."}],"ERC2981InvalidTokenRoyalty(uint256,uint256,uint256)":[{"details":"The royalty set for an specific `tokenId` is invalid (eg. (numerator / denominator) >= 1)."}],"ERC2981InvalidTokenRoyaltyReceiver(uint256,address)":[{"details":"The royalty receiver for `tokenId` is invalid."}],"ERC721IncorrectOwner(address,uint256,address)":[{"details":"Indicates an error related to the ownership over a particular token. Used in transfers.","params":{"owner":"Address of the current owner of a token.","sender":"Address whose tokens are being transferred.","tokenId":"Identifier number of a token."}}],"ERC721InsufficientApproval(address,uint256)":[{"details":"Indicates a failure with the `operator`’s approval. Used in transfers.","params":{"operator":"Address that may be allowed to operate on tokens without being their owner.","tokenId":"Identifier number of a token."}}],"ERC721InvalidApprover(address)":[{"details":"Indicates a failure with the `approver` of a token to be approved. Used in approvals.","params":{"approver":"Address initiating an approval operation."}}],"ERC721InvalidOperator(address)":[{"details":"Indicates a failure with the `operator` to be approved. Used in approvals.","params":{"operator":"Address that may be allowed to operate on tokens without being their owner."}}],"ERC721InvalidOwner(address)":[{"details":"Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20. Used in balance queries.","params":{"owner":"Address of the current owner of a token."}}],"ERC721InvalidReceiver(address)":[{"details":"Indicates a failure with the token `receiver`. Used in transfers.","params":{"receiver":"Address to which tokens are being transferred."}}],"ERC721InvalidSender(address)":[{"details":"Indicates a failure with the token `sender`. Used in transfers.","params":{"sender":"Address whose tokens are being transferred."}}],"ERC721NonexistentToken(uint256)":[{"details":"Indicates a `tokenId` whose `owner` is the zero address.","params":{"tokenId":"Identifier number of a token."}}],"OwnableInvalidOwner(address)":[{"details":"The owner is not a valid owner account. (eg. `address(0)`)"}],"OwnableUnauthorizedAccount(address)":[{"details":"The caller account is not authorized to perform an operation."}]},"events":{"Approval(address,address,uint256)":{"details":"Emitted when `owner` enables `approved` to manage the `tokenId` token."},"ApprovalForAll(address,address,bool)":{"details":"Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets."},"Transfer(address,address,uint256)":{"details":"Emitted when `tokenId` token is transferred from `from` to `to`."}},"kind":"dev","methods":{"acceptOwnership()":{"details":"The new owner accepts the ownership transfer."},"approve(address,uint256)":{"details":"See {IERC721-approve}."},"balanceOf(address)":{"details":"See {IERC721-balanceOf}."},"getApproved(uint256)":{"details":"See {IERC721-getApproved}."},"isApprovedForAll(address,address)":{"details":"See {IERC721-isApprovedForAll}."},"name()":{"details":"See {IERC721Metadata-name}."},"owner()":{"details":"Returns the address of the current owner."},"ownerOf(uint256)":{"details":"See {IERC721-ownerOf}."},"pendingOwner()":{"details":"Returns the address of the pending owner."},"renounceOwnership()":{"details":"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby disabling any functionality that is only available to the owner."},"royaltyInfo(uint256,uint256)":{"details":"Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of exchange. The royalty amount is denominated and should be paid in that same unit of exchange. NOTE: ERC-2981 allows setting the royalty to 100% of the price. In that case all the price would be sent to the royalty receiver and 0 tokens to the seller. Contracts dealing with royalty should consider empty transfers."},"safeTransferFrom(address,address,uint256)":{"details":"See {IERC721-safeTransferFrom}."},"safeTransferFrom(address,address,uint256,bytes)":{"details":"See {IERC721-safeTransferFrom}."},"setApprovalForAll(address,bool)":{"details":"See {IERC721-setApprovalForAll}."},"symbol()":{"details":"See {IERC721Metadata-symbol}."},"tokenURI(uint256)":{"details":"See {IERC721Metadata-tokenURI}."},"transferFrom(address,address,uint256)":{"details":"See {IERC721-transferFrom}."},"transferOwnership(address)":{"details":"Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. Can only be called by the current owner. Setting `newOwner` to the zero address is allowed; this can be used to cancel an initiated ownership transfer."}},"title":"Halloween edition for Binance .ai Agent ID holders (BNB Smart Chain)","version":1},"userdoc":{"kind":"user","methods":{"MAX_SUPPLY()":{"notice":"Collection cap, fixed at deploy (planned: 6,666)."},"RESERVE()":{"notice":"Team reserve inside MAX_SUPPLY (planned: 666). Public mint caps at MAX_SUPPLY - RESERVE."},"agentIds()":{"notice":"SPACE ID Agent ID registry (soulbound ERC-721), 0x60B9262456dE011F7d15a54CdD8c48bAaa8B022F on BSC."},"agentTokenIdOf(string)":{"notice":"Agent ID token id for a name: keccak256 of the name without a trailing \".ai\" (identical to Ka Agents)."},"mint(string,uint256)":{"notice":"Mint with your Agent ID name, with or without \".ai\" (e.g. \"ouyangwang\" or \"ouyangwang.ai\")."},"price()":{"notice":"Price of each mint after an Agent ID's first (which is free)."},"priceFor(uint256,uint256)":{"notice":"Exact BNB an Agent ID must send for its next `quantity` mints."},"publicSupply()":{"notice":"Tokens available to the public (Agent ID) mint: MAX_SUPPLY - RESERVE."},"reserveMint(address,uint256)":{"notice":"Owner-only team reserve mint (airdrops / giveaways). No Agent ID gate, no window, no payment."},"setMintWindow(uint64,uint64)":{"notice":"Adjust the mint window. Only before the current window has started."},"setPrice(uint256)":{"notice":"Adjust the paid-mint price. Only before the window has started."}},"notice":"\"Hallowed Agents\" (HALLOW). One free mint per Agent ID, up to 3 per Agent ID, fully on-chain art.         Agent ID token id = uint256(keccak256(name without \".ai\")), same mapping as Ka Agents.","version":1}},"settings":{"compilationTarget":{"src/HalloweenAgents.sol":"HalloweenAgents"},"evmVersion":"cancun","libraries":{},"metadata":{"bytecodeHash":"ipfs"},"optimizer":{"enabled":true,"runs":200},"remappings":[":@openzeppelin/=node_modules/@openzeppelin/",":forge-std/=lib/forge-std/src/"],"viaIR":true},"sources":{"node_modules/@openzeppelin/contracts/access/Ownable.sol":{"keccak256":"0xff6d0bb2e285473e5311d9d3caacb525ae3538a80758c10649a4d61029b017bb","license":"MIT","urls":["bzz-raw://8ed324d3920bb545059d66ab97d43e43ee85fd3bd52e03e401f020afb0b120f6","dweb:/ipfs/QmfEckWLmZkDDcoWrkEvMWhms66xwTLff9DDhegYpvHo1a"]},"node_modules/@openzeppelin/contracts/access/Ownable2Step.sol":{"keccak256":"0xdcad8898fda432696597752e8ec361b87d85c82cb258115427af006dacf7128c","license":"MIT","urls":["bzz-raw://e2c9d517f0c136d54bd00cd57959d25681d4d6273f5bbbc263afe228303772f0","dweb:/ipfs/QmReNFjXBiufByiAAzfSQ2SM5r3qeUErn46BmN3yVRvrek"]},"node_modules/@openzeppelin/contracts/interfaces/IERC2981.sol":{"keccak256":"0x3b017a19c1730050d0fdff8dfa9255741634699aa4217442724746ca49e13292","license":"MIT","urls":["bzz-raw://05530a2959e8be01cd88993970924cd6081c3462395f6fc0e73c034519259b05","dweb:/ipfs/QmXAG8dF9fiYE8iVWJYWxmbEMNL6RvBAxzRGq2nyLanB2M"]},"node_modules/@openzeppelin/contracts/interfaces/draft-IERC6093.sol":{"keccak256":"0x880da465c203cec76b10d72dbd87c80f387df4102274f23eea1f9c9b0918792b","license":"MIT","urls":["bzz-raw://399594cd8bb0143bc9e55e0f1d071d0d8c850a394fb7a319d50edd55d9ed822b","dweb:/ipfs/QmbPZzgtT6LEm9CMqWfagQFwETbV1ztpECBB1DtQHrKiRz"]},"node_modules/@openzeppelin/contracts/token/ERC721/ERC721.sol":{"keccak256":"0x39ed367e54765186281efcfe83e47cf0ad62cc879f10e191360712507125f29a","license":"MIT","urls":["bzz-raw://2c5ae6d85bd48cca8d6d2fcec8c63efd86f56f8a5832577a47e403ce0e65cb09","dweb:/ipfs/QmUtcS8AbRSWhuc61puYet58os8FvSqm329ChoW8wwZXZk"]},"node_modules/@openzeppelin/contracts/token/ERC721/IERC721.sol":{"keccak256":"0x5dc63d1c6a12fe1b17793e1745877b2fcbe1964c3edfd0a482fac21ca8f18261","license":"MIT","urls":["bzz-raw://6b7f97c5960a50fd1822cb298551ffc908e37b7893a68d6d08bce18a11cb0f11","dweb:/ipfs/QmQQvxBytoY1eBt3pRQDmvH2hZ2yjhs12YqVfzGm7KSURq"]},"node_modules/@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol":{"keccak256":"0xb5afb8e8eebc4d1c6404df2f5e1e6d2c3d24fd01e5dfc855314951ecfaae462d","license":"MIT","urls":["bzz-raw://78586466c424f076c6a2a551d848cfbe3f7c49e723830807598484a1047b3b34","dweb:/ipfs/Qmb717ovcFxm7qgNKEShiV6M9SPR3v1qnNpAGH84D6w29p"]},"node_modules/@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol":{"keccak256":"0x37d1aaaa5a2908a09e9dcf56a26ddf762ecf295afb5964695937344fc6802ce1","license":"MIT","urls":["bzz-raw://ed0bfc1b92153c5000e50f4021367b931bbe96372ac6facec3c4961b72053d02","dweb:/ipfs/Qmbwp8VDerjS5SV1quwHH1oMXxPQ93fzfLVqJ2RCqbowGE"]},"node_modules/@openzeppelin/contracts/token/ERC721/utils/ERC721Utils.sol":{"keccak256":"0x40399695922383778f9f540a620bec475a2f8e0f08d41f0005682842e28a9855","license":"MIT","urls":["bzz-raw://746d295e403931aeb9d6065fd5a0871f43ab5459814a60623611e4b6641a09fd","dweb:/ipfs/QmWrgT8YJrQ9FfD1o3YYArwo57e7MGdpFKuM74qJ4qE34E"]},"node_modules/@openzeppelin/contracts/token/common/ERC2981.sol":{"keccak256":"0x01818908219f73eecfbbe8999ac583ee3fcbfe8e39e8e0a823199737d0ed8052","license":"MIT","urls":["bzz-raw://674bafb0a373297befe1b5fe4f5a02cc18a305d8f9a4577deddc2030a611433e","dweb:/ipfs/QmPq5sBp1upRbBVdU5kd1VyG4tHAbv9z6V1NSPuPs8vAtd"]},"node_modules/@openzeppelin/contracts/utils/Context.sol":{"keccak256":"0x493033a8d1b176a037b2cc6a04dad01a5c157722049bbecf632ca876224dd4b2","license":"MIT","urls":["bzz-raw://6a708e8a5bdb1011c2c381c9a5cfd8a9a956d7d0a9dc1bd8bcdaf52f76ef2f12","dweb:/ipfs/Qmax9WHBnVsZP46ZxEMNRQpLQnrdE4dK8LehML1Py8FowF"]},"node_modules/@openzeppelin/contracts/utils/Panic.sol":{"keccak256":"0xf7fe324703a64fc51702311dc51562d5cb1497734f074e4f483bfb6717572d7a","license":"MIT","urls":["bzz-raw://c6a5ff4f9fd8649b7ee20800b7fa387d3465bd77cf20c2d1068cd5c98e1ed57a","dweb:/ipfs/QmVSaVJf9FXFhdYEYeCEfjMVHrxDh5qL4CGkxdMWpQCrqG"]},"node_modules/@openzeppelin/contracts/utils/Strings.sol":{"keccak256":"0x725209b582291bb83058e3078624b53d15a133f7401c30295e7f3704181d2aed","license":"MIT","urls":["bzz-raw://0564ddb19c6d870e27b789d8f985283d815267ad7224883c2d5243c8bacc7dc0","dweb:/ipfs/QmeC953H4sj88ZRFdJNFdmpf7J9SksP1wK4jyMHLo66z49"]},"node_modules/@openzeppelin/contracts/utils/introspection/ERC165.sol":{"keccak256":"0xddce8e17e3d3f9ed818b4f4c4478a8262aab8b11ed322f1bf5ed705bb4bd97fa","license":"MIT","urls":["bzz-raw://8084aa71a4cc7d2980972412a88fe4f114869faea3fefa5436431644eb5c0287","dweb:/ipfs/Qmbqfs5dRdPvHVKY8kTaeyc65NdqXRQwRK7h9s5UJEhD1p"]},"node_modules/@openzeppelin/contracts/utils/introspection/IERC165.sol":{"keccak256":"0x79796192ec90263f21b464d5bc90b777a525971d3de8232be80d9c4f9fb353b8","license":"MIT","urls":["bzz-raw://f6fda447a62815e8064f47eff0dd1cf58d9207ad69b5d32280f8d7ed1d1e4621","dweb:/ipfs/QmfDRc7pxfaXB2Dh9np5Uf29Na3pQ7tafRS684wd3GLjVL"]},"node_modules/@openzeppelin/contracts/utils/math/Math.sol":{"keccak256":"0xa00be322d7db5786750ce0ac7e2f5b633ac30a5ed5fa1ced1e74acfc19acecea","license":"MIT","urls":["bzz-raw://6c84e822f87cbdc4082533b626667b6928715bb2b1e8e7eb96954cebb9e38c8d","dweb:/ipfs/QmZmy9dgxLTerBAQDuuHqbL6EpgRxddqgv5KmwpXYVbKz1"]},"node_modules/@openzeppelin/contracts/utils/math/SafeCast.sol":{"keccak256":"0x195533c86d0ef72bcc06456a4f66a9b941f38eb403739b00f21fd7c1abd1ae54","license":"MIT","urls":["bzz-raw://b1d578337048cad08c1c03041cca5978eff5428aa130c781b271ad9e5566e1f8","dweb:/ipfs/QmPFKL2r9CBsMwmUqqdcFPfHZB2qcs9g1HDrPxzWSxomvy"]},"node_modules/@openzeppelin/contracts/utils/math/SignedMath.sol":{"keccak256":"0xb1970fac7b64e6c09611e6691791e848d5e3fe410fa5899e7df2e0afd77a99e3","license":"MIT","urls":["bzz-raw://db5fbb3dddd8b7047465b62575d96231ba8a2774d37fb4737fbf23340fabbb03","dweb:/ipfs/QmVUSvooZKEdEdap619tcJjTLcAuH6QBdZqAzWwnAXZAWJ"]},"src/HalloweenAgents.sol":{"keccak256":"0xf096b272be9e7e6d695907df644c66eeb4f421a67c71bcaa6d6ee2082525ad84","license":"MIT","urls":["bzz-raw://461f435b3a761108e412dbc2bdc685cc4dabadf0cc94549dc8a84743a845b8b4","dweb:/ipfs/QmUDTDbNfggkj42FzKDLpFjNCMTFLtt4sFVSCpfKxskh4K"]}},"version":1},"sources":{"src/HalloweenAgents.sol":{"content":"// SPDX-License-Identifier: MIT\npragma solidity 0.8.28;\n\nimport {ERC721} from \"@openzeppelin/contracts/token/ERC721/ERC721.sol\";\nimport {IERC721} from \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport {ERC2981} from \"@openzeppelin/contracts/token/common/ERC2981.sol\";\nimport {Ownable, Ownable2Step} from \"@openzeppelin/contracts/access/Ownable2Step.sol\";\n\ninterface IHalloweenRenderer {\n    function tokenURI(uint256 tokenId, bytes32 seed) external view returns (string memory);\n}\n\n/// @title Halloween edition for Binance .ai Agent ID holders (BNB Smart Chain)\n/// @notice \"Hallowed Agents\" (HALLOW). One free mint per Agent ID, up to 3 per Agent ID, fully on-chain art.\n///         Agent ID token id = uint256(keccak256(name without \".ai\")), same mapping as Ka Agents.\ncontract HalloweenAgents is ERC721, ERC2981, Ownable2Step {\n    /// @notice Collection cap, fixed at deploy (planned: 6,666).\n    uint256 public immutable MAX_SUPPLY;\n    /// @notice Team reserve inside MAX_SUPPLY (planned: 666). Public mint caps at MAX_SUPPLY - RESERVE.\n    uint256 public immutable RESERVE;\n    uint256 public constant MAX_PER_AGENT = 3;\n\n    /// @notice SPACE ID Agent ID registry (soulbound ERC-721), 0x60B9262456dE011F7d15a54CdD8c48bAaa8B022F on BSC.\n    IERC721 public immutable agentIds;\n\n    IHalloweenRenderer public renderer;\n    bool public rendererLocked;\n\n    /// @notice Price of each mint after an Agent ID's first (which is free).\n    uint256 public price;\n    uint64 public mintStart;\n    uint64 public mintEnd;\n    uint256 public totalMinted;\n    uint256 public publicMinted;\n    uint256 public reserveMinted;\n\n    mapping(uint256 agentTokenId => uint256 count) public mintedByAgent;\n    mapping(uint256 tokenId => bytes32) private _seeds;\n\n    event Minted(address indexed minter, uint256 indexed agentTokenId, uint256 firstTokenId, uint256 quantity, uint256 paid);\n    event ReserveMinted(address indexed to, uint256 firstTokenId, uint256 quantity);\n    event MintWindowSet(uint64 start, uint64 end);\n    event PriceSet(uint256 price);\n    event RendererSet(address renderer);\n    event RendererLocked();\n    event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);\n\n    error MintNotActive();\n    error ZeroQuantity();\n    error UnknownAgentId(uint256 agentTokenId);\n    error NotAgentOwner(uint256 agentTokenId, address owner);\n    error AgentLimitReached(uint256 agentTokenId, uint256 alreadyMinted);\n    error ExceedsSupply(uint256 remaining);\n    error WrongPayment(uint256 expected, uint256 sent);\n    error MintAlreadyStarted();\n    error BadWindow();\n    error RendererIsLocked();\n    error ZeroAddress();\n    error WithdrawFailed();\n    error ZeroSupply();\n    error BadReserve();\n    error ExceedsReserve(uint256 remaining);\n    error ZeroAddressRecipient();\n\n    constructor(\n        string memory name_,\n        string memory symbol_,\n        IERC721 agentIds_,\n        IHalloweenRenderer renderer_,\n        uint256 maxSupply_,\n        uint256 reserve_,\n        uint256 price_,\n        uint64 start_,\n        uint64 end_,\n        address royaltyReceiver_,\n        address owner_\n    ) ERC721(name_, symbol_) Ownable(owner_) {\n        if (address(agentIds_) == address(0) || address(renderer_) == address(0) || royaltyReceiver_ == address(0)) {\n            revert ZeroAddress();\n        }\n        if (end_ <= start_) revert BadWindow();\n        if (maxSupply_ == 0) revert ZeroSupply();\n        if (reserve_ >= maxSupply_) revert BadReserve();\n        MAX_SUPPLY = maxSupply_;\n        RESERVE = reserve_;\n        agentIds = agentIds_;\n        renderer = renderer_;\n        price = price_;\n        mintStart = start_;\n        mintEnd = end_;\n        _setDefaultRoyalty(royaltyReceiver_, 500); // 5%\n    }\n\n    // ------------------------------------------------------------------ mint\n\n    /// @notice Mint with your Agent ID name, with or without \".ai\" (e.g. \"ouyangwang\" or \"ouyangwang.ai\").\n    function mint(string calldata agentName, uint256 quantity) external payable {\n        _mintFor(agentTokenIdOf(agentName), quantity);\n    }\n\n    function mintWithAgentTokenId(uint256 agentTokenId, uint256 quantity) external payable {\n        _mintFor(agentTokenId, quantity);\n    }\n\n    /// @notice Agent ID token id for a name: keccak256 of the name without a trailing \".ai\" (identical to Ka Agents).\n    function agentTokenIdOf(string calldata agentName) public pure returns (uint256) {\n        bytes calldata b = bytes(agentName);\n        uint256 n = b.length;\n        if (n > 3 && b[n - 3] == \".\" && b[n - 2] == \"a\" && b[n - 1] == \"i\") b = b[:n - 3];\n        return uint256(keccak256(b));\n    }\n\n    function mintActive() public view returns (bool) {\n        return block.timestamp >= mintStart && block.timestamp <= mintEnd && publicMinted < publicSupply();\n    }\n\n    /// @notice Tokens available to the public (Agent ID) mint: MAX_SUPPLY - RESERVE.\n    function publicSupply() public view returns (uint256) {\n        return MAX_SUPPLY - RESERVE;\n    }\n\n    function mintsLeft(uint256 agentTokenId) external view returns (uint256) {\n        return MAX_PER_AGENT - mintedByAgent[agentTokenId];\n    }\n\n    /// @notice Exact BNB an Agent ID must send for its next `quantity` mints.\n    function priceFor(uint256 agentTokenId, uint256 quantity) public view returns (uint256) {\n        uint256 used = mintedByAgent[agentTokenId];\n        if (used + quantity > MAX_PER_AGENT) revert AgentLimitReached(agentTokenId, used);\n        return _cost(used, quantity);\n    }\n\n    function _cost(uint256 used, uint256 quantity) private view returns (uint256) {\n        uint256 paid = used == 0 ? quantity - 1 : quantity; // first-ever mint per Agent ID is free\n        return paid * price;\n    }\n\n    function _mintFor(uint256 agentTokenId, uint256 quantity) private {\n        if (block.timestamp < mintStart || block.timestamp > mintEnd) revert MintNotActive();\n        if (quantity == 0) revert ZeroQuantity();\n\n        address holder;\n        try agentIds.ownerOf(agentTokenId) returns (address o) {\n            holder = o;\n        } catch {\n            revert UnknownAgentId(agentTokenId);\n        }\n        if (holder != msg.sender) revert NotAgentOwner(agentTokenId, holder);\n\n        uint256 used = mintedByAgent[agentTokenId];\n        if (used + quantity > MAX_PER_AGENT) revert AgentLimitReached(agentTokenId, used);\n        uint256 pub = publicMinted;\n        uint256 cap = MAX_SUPPLY - RESERVE;\n        if (pub + quantity > cap) revert ExceedsSupply(cap - pub);\n\n        uint256 cost = _cost(used, quantity);\n        if (msg.value != cost) revert WrongPayment(cost, msg.value);\n\n        mintedByAgent[agentTokenId] = used + quantity;\n        publicMinted = pub + quantity;\n        uint256 first = _mintBatch(msg.sender, quantity, agentTokenId);\n        emit Minted(msg.sender, agentTokenId, first, quantity, cost);\n    }\n\n    /// @notice Owner-only team reserve mint (airdrops / giveaways). No Agent ID gate, no window, no payment.\n    function reserveMint(address to, uint256 quantity) external onlyOwner {\n        if (to == address(0)) revert ZeroAddressRecipient();\n        if (quantity == 0) revert ZeroQuantity();\n        uint256 used = reserveMinted;\n        if (used + quantity > RESERVE) revert ExceedsReserve(RESERVE - used);\n        reserveMinted = used + quantity;\n        uint256 first = _mintBatch(to, quantity, 0);\n        emit ReserveMinted(to, first, quantity);\n    }\n\n    /// Sequential ids across public + reserve; total can never pass MAX_SUPPLY since publicCap + RESERVE == MAX_SUPPLY.\n    function _mintBatch(address to, uint256 quantity, uint256 agentTokenId) private returns (uint256 first) {\n        uint256 minted = totalMinted;\n        first = minted + 1;\n        totalMinted = minted + quantity;\n        for (uint256 i; i < quantity; ++i) {\n            uint256 id = first + i;\n            _seeds[id] = keccak256(abi.encode(block.prevrandao, id, to, agentTokenId));\n            _mint(to, id); // no receiver callback -> no re-entry\n        }\n    }\n\n    // ------------------------------------------------------------------ metadata\n\n    function tokenSeed(uint256 tokenId) external view returns (bytes32) {\n        _requireOwned(tokenId);\n        return _seeds[tokenId];\n    }\n\n    function tokenURI(uint256 tokenId) public view override returns (string memory) {\n        _requireOwned(tokenId);\n        return renderer.tokenURI(tokenId, _seeds[tokenId]);\n    }\n\n    function totalSupply() external view returns (uint256) {\n        return totalMinted;\n    }\n\n    function supportsInterface(bytes4 interfaceId) public view override(ERC721, ERC2981) returns (bool) {\n        return interfaceId == bytes4(0x49064906) || super.supportsInterface(interfaceId);\n    }\n\n    // ------------------------------------------------------------------ owner\n\n    /// @notice Adjust the mint window. Only before the current window has started.\n    function setMintWindow(uint64 start_, uint64 end_) external onlyOwner {\n        if (block.timestamp >= mintStart) revert MintAlreadyStarted();\n        if (end_ <= start_) revert BadWindow();\n        mintStart = start_;\n        mintEnd = end_;\n        emit MintWindowSet(start_, end_);\n    }\n\n    /// @notice Adjust the paid-mint price. Only before the window has started.\n    function setPrice(uint256 newPrice) external onlyOwner {\n        if (block.timestamp >= mintStart) revert MintAlreadyStarted();\n        price = newPrice;\n        emit PriceSet(newPrice);\n    }\n\n    function setRoyalty(address receiver, uint96 feeBps) external onlyOwner {\n        _setDefaultRoyalty(receiver, feeBps);\n    }\n\n    function setRenderer(IHalloweenRenderer newRenderer) external onlyOwner {\n        if (rendererLocked) revert RendererIsLocked();\n        if (address(newRenderer) == address(0)) revert ZeroAddress();\n        renderer = newRenderer;\n        emit RendererSet(address(newRenderer));\n        if (totalMinted > 0) emit BatchMetadataUpdate(1, totalMinted);\n    }\n\n    function lockRenderer() external onlyOwner {\n        rendererLocked = true;\n        emit RendererLocked();\n    }\n\n    function withdraw(address payable to) external onlyOwner {\n        if (to == address(0)) revert ZeroAddress();\n        (bool ok,) = to.call{value: address(this).balance}(\"\");\n        if (!ok) revert WithdrawFailed();\n    }\n}\n"},"node_modules/@openzeppelin/contracts/token/ERC721/ERC721.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/ERC721.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC721} from \"./IERC721.sol\";\nimport {IERC721Metadata} from \"./extensions/IERC721Metadata.sol\";\nimport {ERC721Utils} from \"./utils/ERC721Utils.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {Strings} from \"../../utils/Strings.sol\";\nimport {IERC165, ERC165} from \"../../utils/introspection/ERC165.sol\";\nimport {IERC721Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC-721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\nabstract contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Errors {\n    using Strings for uint256;\n\n    // Token name\n    string private _name;\n\n    // Token symbol\n    string private _symbol;\n\n    mapping(uint256 tokenId => address) private _owners;\n\n    mapping(address owner => uint256) private _balances;\n\n    mapping(uint256 tokenId => address) private _tokenApprovals;\n\n    mapping(address owner => mapping(address operator => bool)) private _operatorApprovals;\n\n    /**\n     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.\n     */\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n        return\n            interfaceId == type(IERC721).interfaceId ||\n            interfaceId == type(IERC721Metadata).interfaceId ||\n            super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev See {IERC721-balanceOf}.\n     */\n    function balanceOf(address owner) public view virtual returns (uint256) {\n        if (owner == address(0)) {\n            revert ERC721InvalidOwner(address(0));\n        }\n        return _balances[owner];\n    }\n\n    /**\n     * @dev See {IERC721-ownerOf}.\n     */\n    function ownerOf(uint256 tokenId) public view virtual returns (address) {\n        return _requireOwned(tokenId);\n    }\n\n    /**\n     * @dev See {IERC721Metadata-name}.\n     */\n    function name() public view virtual returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev See {IERC721Metadata-symbol}.\n     */\n    function symbol() public view virtual returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev See {IERC721Metadata-tokenURI}.\n     */\n    function tokenURI(uint256 tokenId) public view virtual returns (string memory) {\n        _requireOwned(tokenId);\n\n        string memory baseURI = _baseURI();\n        return bytes(baseURI).length > 0 ? string.concat(baseURI, tokenId.toString()) : \"\";\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, can be overridden in child contracts.\n     */\n    function _baseURI() internal view virtual returns (string memory) {\n        return \"\";\n    }\n\n    /**\n     * @dev See {IERC721-approve}.\n     */\n    function approve(address to, uint256 tokenId) public virtual {\n        _approve(to, tokenId, _msgSender());\n    }\n\n    /**\n     * @dev See {IERC721-getApproved}.\n     */\n    function getApproved(uint256 tokenId) public view virtual returns (address) {\n        _requireOwned(tokenId);\n\n        return _getApproved(tokenId);\n    }\n\n    /**\n     * @dev See {IERC721-setApprovalForAll}.\n     */\n    function setApprovalForAll(address operator, bool approved) public virtual {\n        _setApprovalForAll(_msgSender(), operator, approved);\n    }\n\n    /**\n     * @dev See {IERC721-isApprovedForAll}.\n     */\n    function isApprovedForAll(address owner, address operator) public view virtual returns (bool) {\n        return _operatorApprovals[owner][operator];\n    }\n\n    /**\n     * @dev See {IERC721-transferFrom}.\n     */\n    function transferFrom(address from, address to, uint256 tokenId) public virtual {\n        if (to == address(0)) {\n            revert ERC721InvalidReceiver(address(0));\n        }\n        // Setting an \"auth\" arguments enables the `_isAuthorized` check which verifies that the token exists\n        // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here.\n        address previousOwner = _update(to, tokenId, _msgSender());\n        if (previousOwner != from) {\n            revert ERC721IncorrectOwner(from, tokenId, previousOwner);\n        }\n    }\n\n    /**\n     * @dev See {IERC721-safeTransferFrom}.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId) public {\n        safeTransferFrom(from, to, tokenId, \"\");\n    }\n\n    /**\n     * @dev See {IERC721-safeTransferFrom}.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual {\n        transferFrom(from, to, tokenId);\n        ERC721Utils.checkOnERC721Received(_msgSender(), from, to, tokenId, data);\n    }\n\n    /**\n     * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist\n     *\n     * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the\n     * core ERC-721 logic MUST be matched with the use of {_increaseBalance} to keep balances\n     * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by\n     * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`.\n     */\n    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {\n        return _owners[tokenId];\n    }\n\n    /**\n     * @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted.\n     */\n    function _getApproved(uint256 tokenId) internal view virtual returns (address) {\n        return _tokenApprovals[tokenId];\n    }\n\n    /**\n     * @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in\n     * particular (ignoring whether it is owned by `owner`).\n     *\n     * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this\n     * assumption.\n     */\n    function _isAuthorized(address owner, address spender, uint256 tokenId) internal view virtual returns (bool) {\n        return\n            spender != address(0) &&\n            (owner == spender || isApprovedForAll(owner, spender) || _getApproved(tokenId) == spender);\n    }\n\n    /**\n     * @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner.\n     * Reverts if:\n     * - `spender` does not have approval from `owner` for `tokenId`.\n     * - `spender` does not have approval to manage all of `owner`'s assets.\n     *\n     * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this\n     * assumption.\n     */\n    function _checkAuthorized(address owner, address spender, uint256 tokenId) internal view virtual {\n        if (!_isAuthorized(owner, spender, tokenId)) {\n            if (owner == address(0)) {\n                revert ERC721NonexistentToken(tokenId);\n            } else {\n                revert ERC721InsufficientApproval(spender, tokenId);\n            }\n        }\n    }\n\n    /**\n     * @dev Unsafe write access to the balances, used by extensions that \"mint\" tokens using an {ownerOf} override.\n     *\n     * NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that\n     * a uint256 would ever overflow from increments when these increments are bounded to uint128 values.\n     *\n     * WARNING: Increasing an account's balance using this function tends to be paired with an override of the\n     * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership\n     * remain consistent with one another.\n     */\n    function _increaseBalance(address account, uint128 value) internal virtual {\n        unchecked {\n            _balances[account] += value;\n        }\n    }\n\n    /**\n     * @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner\n     * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update.\n     *\n     * The `auth` argument is optional. If the value passed is non 0, then this function will check that\n     * `auth` is either the owner of the token, or approved to operate on the token (by the owner).\n     *\n     * Emits a {Transfer} event.\n     *\n     * NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}.\n     */\n    function _update(address to, uint256 tokenId, address auth) internal virtual returns (address) {\n        address from = _ownerOf(tokenId);\n\n        // Perform (optional) operator check\n        if (auth != address(0)) {\n            _checkAuthorized(from, auth, tokenId);\n        }\n\n        // Execute the update\n        if (from != address(0)) {\n            // Clear approval. No need to re-authorize or emit the Approval event\n            _approve(address(0), tokenId, address(0), false);\n\n            unchecked {\n                _balances[from] -= 1;\n            }\n        }\n\n        if (to != address(0)) {\n            unchecked {\n                _balances[to] += 1;\n            }\n        }\n\n        _owners[tokenId] = to;\n\n        emit Transfer(from, to, tokenId);\n\n        return from;\n    }\n\n    /**\n     * @dev Mints `tokenId` and transfers it to `to`.\n     *\n     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible\n     *\n     * Requirements:\n     *\n     * - `tokenId` must not exist.\n     * - `to` cannot be the zero address.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _mint(address to, uint256 tokenId) internal {\n        if (to == address(0)) {\n            revert ERC721InvalidReceiver(address(0));\n        }\n        address previousOwner = _update(to, tokenId, address(0));\n        if (previousOwner != address(0)) {\n            revert ERC721InvalidSender(address(0));\n        }\n    }\n\n    /**\n     * @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must not exist.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _safeMint(address to, uint256 tokenId) internal {\n        _safeMint(to, tokenId, \"\");\n    }\n\n    /**\n     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n     */\n    function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual {\n        _mint(to, tokenId);\n        ERC721Utils.checkOnERC721Received(_msgSender(), address(0), to, tokenId, data);\n    }\n\n    /**\n     * @dev Destroys `tokenId`.\n     * The approval is cleared when the token is burned.\n     * This is an internal function that does not check if the sender is authorized to operate on the token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _burn(uint256 tokenId) internal {\n        address previousOwner = _update(address(0), tokenId, address(0));\n        if (previousOwner == address(0)) {\n            revert ERC721NonexistentToken(tokenId);\n        }\n    }\n\n    /**\n     * @dev Transfers `tokenId` from `from` to `to`.\n     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _transfer(address from, address to, uint256 tokenId) internal {\n        if (to == address(0)) {\n            revert ERC721InvalidReceiver(address(0));\n        }\n        address previousOwner = _update(to, tokenId, address(0));\n        if (previousOwner == address(0)) {\n            revert ERC721NonexistentToken(tokenId);\n        } else if (previousOwner != from) {\n            revert ERC721IncorrectOwner(from, tokenId, previousOwner);\n        }\n    }\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients\n     * are aware of the ERC-721 standard to prevent tokens from being forever locked.\n     *\n     * `data` is additional data, it has no specified format and it is sent in call to `to`.\n     *\n     * This internal function is like {safeTransferFrom} in the sense that it invokes\n     * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g.\n     * implement alternative mechanisms to perform token transfer, such as signature-based.\n     *\n     * Requirements:\n     *\n     * - `tokenId` token must exist and be owned by `from`.\n     * - `to` cannot be the zero address.\n     * - `from` cannot be the zero address.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _safeTransfer(address from, address to, uint256 tokenId) internal {\n        _safeTransfer(from, to, tokenId, \"\");\n    }\n\n    /**\n     * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is\n     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n     */\n    function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual {\n        _transfer(from, to, tokenId);\n        ERC721Utils.checkOnERC721Received(_msgSender(), from, to, tokenId, data);\n    }\n\n    /**\n     * @dev Approve `to` to operate on `tokenId`\n     *\n     * The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is\n     * either the owner of the token, or approved to operate on all tokens held by this owner.\n     *\n     * Emits an {Approval} event.\n     *\n     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n     */\n    function _approve(address to, uint256 tokenId, address auth) internal {\n        _approve(to, tokenId, auth, true);\n    }\n\n    /**\n     * @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not\n     * emitted in the context of transfers.\n     */\n    function _approve(address to, uint256 tokenId, address auth, bool emitEvent) internal virtual {\n        // Avoid reading the owner unless necessary\n        if (emitEvent || auth != address(0)) {\n            address owner = _requireOwned(tokenId);\n\n            // We do not use _isAuthorized because single-token approvals should not be able to call approve\n            if (auth != address(0) && owner != auth && !isApprovedForAll(owner, auth)) {\n                revert ERC721InvalidApprover(auth);\n            }\n\n            if (emitEvent) {\n                emit Approval(owner, to, tokenId);\n            }\n        }\n\n        _tokenApprovals[tokenId] = to;\n    }\n\n    /**\n     * @dev Approve `operator` to operate on all of `owner` tokens\n     *\n     * Requirements:\n     * - operator can't be the address zero.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {\n        if (operator == address(0)) {\n            revert ERC721InvalidOperator(operator);\n        }\n        _operatorApprovals[owner][operator] = approved;\n        emit ApprovalForAll(owner, operator, approved);\n    }\n\n    /**\n     * @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned).\n     * Returns the owner.\n     *\n     * Overrides to ownership logic should be done to {_ownerOf}.\n     */\n    function _requireOwned(uint256 tokenId) internal view returns (address) {\n        address owner = _ownerOf(tokenId);\n        if (owner == address(0)) {\n            revert ERC721NonexistentToken(tokenId);\n        }\n        return owner;\n    }\n}\n"},"node_modules/@openzeppelin/contracts/token/ERC721/IERC721.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC-721 compliant contract.\n */\ninterface IERC721 is IERC165 {\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 (`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     *\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 by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon\n     *   a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC-721 protocol 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 have been allowed to move this token by either {approve} or\n     *   {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon\n     *   a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId) external;\n\n    /**\n     * @dev Transfers `tokenId` token from `from` to `to`.\n     *\n     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC-721\n     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must\n     * understand this adds an external call which potentially creates a reentrancy vulnerability.\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 by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(address from, address to, uint256 tokenId) external;\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 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;\n\n    /**\n     * @dev Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the address zero.\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"},"node_modules/@openzeppelin/contracts/token/common/ERC2981.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (token/common/ERC2981.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC2981} from \"../../interfaces/IERC2981.sol\";\nimport {IERC165, ERC165} from \"../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.\n *\n * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for\n * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.\n *\n * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the\n * fee is specified in basis points by default.\n *\n * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See\n * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the ERC. Marketplaces are expected to\n * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.\n */\nabstract contract ERC2981 is IERC2981, ERC165 {\n    struct RoyaltyInfo {\n        address receiver;\n        uint96 royaltyFraction;\n    }\n\n    RoyaltyInfo private _defaultRoyaltyInfo;\n    mapping(uint256 tokenId => RoyaltyInfo) private _tokenRoyaltyInfo;\n\n    /**\n     * @dev The default royalty set is invalid (eg. (numerator / denominator) >= 1).\n     */\n    error ERC2981InvalidDefaultRoyalty(uint256 numerator, uint256 denominator);\n\n    /**\n     * @dev The default royalty receiver is invalid.\n     */\n    error ERC2981InvalidDefaultRoyaltyReceiver(address receiver);\n\n    /**\n     * @dev The royalty set for an specific `tokenId` is invalid (eg. (numerator / denominator) >= 1).\n     */\n    error ERC2981InvalidTokenRoyalty(uint256 tokenId, uint256 numerator, uint256 denominator);\n\n    /**\n     * @dev The royalty receiver for `tokenId` is invalid.\n     */\n    error ERC2981InvalidTokenRoyaltyReceiver(uint256 tokenId, address receiver);\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {\n        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @inheritdoc IERC2981\n     */\n    function royaltyInfo(\n        uint256 tokenId,\n        uint256 salePrice\n    ) public view virtual returns (address receiver, uint256 amount) {\n        RoyaltyInfo storage _royaltyInfo = _tokenRoyaltyInfo[tokenId];\n        address royaltyReceiver = _royaltyInfo.receiver;\n        uint96 royaltyFraction = _royaltyInfo.royaltyFraction;\n\n        if (royaltyReceiver == address(0)) {\n            royaltyReceiver = _defaultRoyaltyInfo.receiver;\n            royaltyFraction = _defaultRoyaltyInfo.royaltyFraction;\n        }\n\n        uint256 royaltyAmount = (salePrice * royaltyFraction) / _feeDenominator();\n\n        return (royaltyReceiver, royaltyAmount);\n    }\n\n    /**\n     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a\n     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an\n     * override.\n     */\n    function _feeDenominator() internal pure virtual returns (uint96) {\n        return 10000;\n    }\n\n    /**\n     * @dev Sets the royalty information that all ids in this contract will default to.\n     *\n     * Requirements:\n     *\n     * - `receiver` cannot be the zero address.\n     * - `feeNumerator` cannot be greater than the fee denominator.\n     */\n    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {\n        uint256 denominator = _feeDenominator();\n        if (feeNumerator > denominator) {\n            // Royalty fee will exceed the sale price\n            revert ERC2981InvalidDefaultRoyalty(feeNumerator, denominator);\n        }\n        if (receiver == address(0)) {\n            revert ERC2981InvalidDefaultRoyaltyReceiver(address(0));\n        }\n\n        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);\n    }\n\n    /**\n     * @dev Removes default royalty information.\n     */\n    function _deleteDefaultRoyalty() internal virtual {\n        delete _defaultRoyaltyInfo;\n    }\n\n    /**\n     * @dev Sets the royalty information for a specific token id, overriding the global default.\n     *\n     * Requirements:\n     *\n     * - `receiver` cannot be the zero address.\n     * - `feeNumerator` cannot be greater than the fee denominator.\n     */\n    function _setTokenRoyalty(uint256 tokenId, address receiver, uint96 feeNumerator) internal virtual {\n        uint256 denominator = _feeDenominator();\n        if (feeNumerator > denominator) {\n            // Royalty fee will exceed the sale price\n            revert ERC2981InvalidTokenRoyalty(tokenId, feeNumerator, denominator);\n        }\n        if (receiver == address(0)) {\n            revert ERC2981InvalidTokenRoyaltyReceiver(tokenId, address(0));\n        }\n\n        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);\n    }\n\n    /**\n     * @dev Resets royalty information for the token id back to the global default.\n     */\n    function _resetTokenRoyalty(uint256 tokenId) internal virtual {\n        delete _tokenRoyaltyInfo[tokenId];\n    }\n}\n"},"node_modules/@openzeppelin/contracts/access/Ownable2Step.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (access/Ownable2Step.sol)\n\npragma solidity ^0.8.20;\n\nimport {Ownable} from \"./Ownable.sol\";\n\n/**\n * @dev Contract module which provides access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * This extension of the {Ownable} contract includes a two-step mechanism to transfer\n * ownership, where the new owner must call {acceptOwnership} in order to replace the\n * old one. This can help prevent common mistakes, such as transfers of ownership to\n * incorrect accounts, or to contracts that are unable to interact with the\n * permission system.\n *\n * The initial owner is specified at deployment time in the constructor for `Ownable`. This\n * can later be changed with {transferOwnership} and {acceptOwnership}.\n *\n * This module is used through inheritance. It will make available all functions\n * from parent (Ownable).\n */\nabstract contract Ownable2Step is Ownable {\n    address private _pendingOwner;\n\n    event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Returns the address of the pending owner.\n     */\n    function pendingOwner() public view virtual returns (address) {\n        return _pendingOwner;\n    }\n\n    /**\n     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.\n     * Can only be called by the current owner.\n     *\n     * Setting `newOwner` to the zero address is allowed; this can be used to cancel an initiated ownership transfer.\n     */\n    function transferOwnership(address newOwner) public virtual override onlyOwner {\n        _pendingOwner = newOwner;\n        emit OwnershipTransferStarted(owner(), newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual override {\n        delete _pendingOwner;\n        super._transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev The new owner accepts the ownership transfer.\n     */\n    function acceptOwnership() public virtual {\n        address sender = _msgSender();\n        if (pendingOwner() != sender) {\n            revert OwnableUnauthorizedAccount(sender);\n        }\n        _transferOwnership(sender);\n    }\n}\n"},"node_modules/@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC721} from \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\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"},"node_modules/@openzeppelin/contracts/token/ERC721/utils/ERC721Utils.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/utils/ERC721Utils.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC721Receiver} from \"../IERC721Receiver.sol\";\nimport {IERC721Errors} from \"../../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Library that provide common ERC-721 utility functions.\n *\n * See https://eips.ethereum.org/EIPS/eip-721[ERC-721].\n *\n * _Available since v5.1._\n */\nlibrary ERC721Utils {\n    /**\n     * @dev Performs an acceptance check for the provided `operator` by calling {IERC721-onERC721Received}\n     * on the `to` address. The `operator` is generally the address that initiated the token transfer (i.e. `msg.sender`).\n     *\n     * The acceptance call is not executed and treated as a no-op if the target address doesn't contain code (i.e. an EOA).\n     * Otherwise, the recipient must implement {IERC721Receiver-onERC721Received} and return the acceptance magic value to accept\n     * the transfer.\n     */\n    function checkOnERC721Received(\n        address operator,\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes memory data\n    ) internal {\n        if (to.code.length > 0) {\n            try IERC721Receiver(to).onERC721Received(operator, from, tokenId, data) returns (bytes4 retval) {\n                if (retval != IERC721Receiver.onERC721Received.selector) {\n                    // Token rejected\n                    revert IERC721Errors.ERC721InvalidReceiver(to);\n                }\n            } catch (bytes memory reason) {\n                if (reason.length == 0) {\n                    // non-IERC721Receiver implementer\n                    revert IERC721Errors.ERC721InvalidReceiver(to);\n                } else {\n                    assembly (\"memory-safe\") {\n                        revert(add(32, reason), mload(reason))\n                    }\n                }\n            }\n        }\n    }\n}\n"},"node_modules/@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"},"node_modules/@openzeppelin/contracts/utils/Strings.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n    uint8 private constant ADDRESS_LENGTH = 20;\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 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(buffer, add(32, 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 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(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n    }\n}\n"},"node_modules/@openzeppelin/contracts/utils/introspection/ERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n */\nabstract contract ERC165 is IERC165 {\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {\n        return interfaceId == type(IERC165).interfaceId;\n    }\n}\n"},"node_modules/@openzeppelin/contracts/interfaces/draft-IERC6093.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)\npragma solidity ^0.8.20;\n\n/**\n * @dev Standard ERC-20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.\n */\ninterface IERC20Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC20InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC20InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     * @param allowance Amount of tokens a `spender` is allowed to operate with.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC20InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC20InvalidSpender(address spender);\n}\n\n/**\n * @dev Standard ERC-721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.\n */\ninterface IERC721Errors {\n    /**\n     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.\n     * Used in balance queries.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721InvalidOwner(address owner);\n\n    /**\n     * @dev Indicates a `tokenId` whose `owner` is the zero address.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721NonexistentToken(uint256 tokenId);\n\n    /**\n     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param tokenId Identifier number of a token.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC721InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC721InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC721InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC721InvalidOperator(address operator);\n}\n\n/**\n * @dev Standard ERC-1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.\n */\ninterface IERC1155Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC1155InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC1155InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC1155MissingApprovalForAll(address operator, address owner);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC1155InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC1155InvalidOperator(address operator);\n\n    /**\n     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n     * Used in batch transfers.\n     * @param idsLength Length of the array of token identifiers\n     * @param valuesLength Length of the array of token amounts\n     */\n    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n"},"node_modules/@openzeppelin/contracts/utils/introspection/IERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Interface of the ERC-165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[ERC].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"},"node_modules/@openzeppelin/contracts/interfaces/IERC2981.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC2981.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface for the NFT Royalty Standard.\n *\n * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal\n * support for royalty payments across all NFT marketplaces and ecosystem participants.\n */\ninterface IERC2981 is IERC165 {\n    /**\n     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of\n     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.\n     *\n     * NOTE: ERC-2981 allows setting the royalty to 100% of the price. In that case all the price would be sent to the\n     * royalty receiver and 0 tokens to the seller. Contracts dealing with royalty should consider empty transfers.\n     */\n    function royaltyInfo(\n        uint256 tokenId,\n        uint256 salePrice\n    ) external view returns (address receiver, uint256 royaltyAmount);\n}\n"},"node_modules/@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"},"node_modules/@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @title ERC-721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC-721 asset contracts.\n */\ninterface IERC721Receiver {\n    /**\n     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n     * by `operator` from `from`, this function is called.\n     *\n     * It must return its Solidity selector to confirm the token transfer.\n     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be\n     * reverted.\n     *\n     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n     */\n    function onERC721Received(\n        address operator,\n        address from,\n        uint256 tokenId,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n"},"node_modules/@openzeppelin/contracts/utils/math/Math.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (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 Returns the addition of two unsigned integers, with an 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            if (c < a) return (false, 0);\n            return (true, c);\n        }\n    }\n\n    /**\n     * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).\n     */\n    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            if (b > a) return (false, 0);\n            return (true, a - b);\n        }\n    }\n\n    /**\n     * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).\n     */\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n        unchecked {\n            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n            // benefit is lost if 'b' is also tested.\n            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\n            if (a == 0) return (true, 0);\n            uint256 c = a * b;\n            if (c / a != b) return (false, 0);\n            return (true, c);\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            if (b == 0) return (false, 0);\n            return (true, a / b);\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            if (b == 0) return (false, 0);\n            return (true, a % b);\n        }\n    }\n\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, 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        // (a + b) / 2 can overflow.\n        return (a & b) + (a ^ b) / 2;\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            // 512-bit multiply [prod1 prod0] = 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 = prod1 * 2²⁵⁶ + prod0.\n            uint256 prod0 = x * y; // Least significant 256 bits of the product\n            uint256 prod1; // Most significant 256 bits of the product\n            assembly {\n                let mm := mulmod(x, y, not(0))\n                prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n            }\n\n            // Handle non-overflow cases, 256 by 256 division.\n            if (prod1 == 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 prod0 / denominator;\n            }\n\n            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.\n            if (denominator <= prod1) {\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 [prod1 prod0].\n            uint256 remainder;\n            assembly {\n                // Compute remainder using mulmod.\n                remainder := mulmod(x, y, denominator)\n\n                // Subtract 256 bit number from 512 bit number.\n                prod1 := sub(prod1, gt(remainder, prod0))\n                prod0 := sub(prod0, 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 {\n                // Divide denominator by twos.\n                denominator := div(denominator, twos)\n\n                // Divide [prod1 prod0] by twos.\n                prod0 := div(prod0, 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 prod1 into prod0.\n            prod0 |= prod1 * 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 prod1\n            // is no longer required.\n            result = prod0 * 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 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 byteArray) private pure returns (bool) {\n        for (uint256 i = 0; i < byteArray.length; ++i) {\n            if (byteArray[i] != 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 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        uint256 exp;\n        unchecked {\n            exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);\n            value >>= exp;\n            result += exp;\n\n            exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);\n            value >>= exp;\n            result += exp;\n\n            exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);\n            value >>= exp;\n            result += exp;\n\n            exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);\n            value >>= exp;\n            result += exp;\n\n            exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);\n            value >>= exp;\n            result += exp;\n\n            exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);\n            value >>= exp;\n            result += exp;\n\n            exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);\n            value >>= exp;\n            result += exp;\n\n            result += SafeCast.toUint(value > 1);\n        }\n        return result;\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 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        uint256 isGt;\n        unchecked {\n            isGt = SafeCast.toUint(value > (1 << 128) - 1);\n            value >>= isGt * 128;\n            result += isGt * 16;\n\n            isGt = SafeCast.toUint(value > (1 << 64) - 1);\n            value >>= isGt * 64;\n            result += isGt * 8;\n\n            isGt = SafeCast.toUint(value > (1 << 32) - 1);\n            value >>= isGt * 32;\n            result += isGt * 4;\n\n            isGt = SafeCast.toUint(value > (1 << 16) - 1);\n            value >>= isGt * 16;\n            result += isGt * 2;\n\n            result += SafeCast.toUint(value > (1 << 8) - 1);\n        }\n        return result;\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"},"node_modules/@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"},"node_modules/@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"},"node_modules/@openzeppelin/contracts/utils/math/SafeCast.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (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 an uint of `bits` size.\n     */\n    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);\n\n    /**\n     * @dev An int value doesn't fit in an 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 An 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"}},"matchId":"57286458","creationMatch":"exact_match","runtimeMatch":"exact_match","verifiedAt":"2026-10-27T19:48:19Z","match":"exact_match","chainId":"56","address":"0x096243e665083C7628923D7Db71805b15C4a6054"}