{
  "language": "Solidity",
  "sources": {
    "MintideBasketDualEscrow.sol": {
      "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.30;\n\nimport {IERC20} from \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport {IERC721} from \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport {IERC721Receiver} from \"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\";\nimport {IERC1155} from \"@openzeppelin/contracts/token/ERC1155/IERC1155.sol\";\nimport {IERC1155Receiver} from \"@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol\";\nimport {SafeERC20} from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport {ReentrancyGuard} from \"@openzeppelin/contracts/utils/ReentrancyGuard.sol\";\n\n/// @notice Sells one indivisible basket of 2–8 onchain assets for USDG or native ETH.\n/// @dev Arbitrary asset contracts can misrepresent their balances or transfer rules;\n///      buyers must independently verify every asset contract before purchasing.\ncontract MintideBasketDualEscrow is IERC721Receiver, IERC1155Receiver, ReentrancyGuard {\n    using SafeERC20 for IERC20;\n\n    uint8 public constant ERC20_ASSET = 1;\n    uint8 public constant ERC721_ASSET = 2;\n    uint8 public constant ERC1155_ASSET = 3;\n    uint8 public constant MAX_ASSETS = 8;\n\n    struct Asset {\n        uint8 kind;\n        address token;\n        uint256 id;\n        uint256 amount;\n    }\n\n    struct Order {\n        address seller;\n        uint256 price;\n        uint64 expiry;\n        address reservedBuyer;\n        bool payInEth;\n        bool active;\n    }\n\n    IERC20 public immutable settlementToken;\n    address public immutable feeRecipient;\n    uint16 public immutable feeBps;\n    uint256 public nextOrderId = 1;\n    mapping(uint256 => Order) public orders;\n    mapping(uint256 => Asset[]) private orderAssets;\n\n    uint8 private expectedKind;\n    address private expectedToken;\n    address private expectedSeller;\n    uint256 private expectedId;\n    uint256 private expectedAmount;\n\n    event BasketCreated(uint256 indexed orderId, address indexed seller, uint256 price, uint64 expiry, address reservedBuyer, bool payInEth);\n    event BasketAsset(uint256 indexed orderId, uint8 indexed index, uint8 kind, address token, uint256 id, uint256 amount);\n    event BasketFilled(uint256 indexed orderId, address indexed buyer, uint256 price, uint256 fee, bool payInEth);\n    event BasketCancelled(uint256 indexed orderId);\n\n    constructor(IERC20 token_, address feeRecipient_, uint16 feeBps_) {\n        require(address(token_).code.length != 0 && feeRecipient_ != address(0), \"invalid constructor\");\n        require(feeBps_ <= 100, \"fee above 1%\");\n        settlementToken = token_;\n        feeRecipient = feeRecipient_;\n        feeBps = feeBps_;\n    }\n\n    function createBasket(\n        Asset[] calldata assets,\n        uint256 price,\n        uint64 expiry,\n        address reservedBuyer,\n        bool payInEth\n    ) external nonReentrant returns (uint256 orderId) {\n        require(assets.length >= 2 && assets.length <= MAX_ASSETS, \"basket size\");\n        require(price != 0, \"zero price\");\n        require(expiry > block.timestamp && expiry <= block.timestamp + 90 days, \"invalid expiry\");\n        require(reservedBuyer != msg.sender, \"seller reserved\");\n\n        orderId = nextOrderId++;\n        orders[orderId] = Order(msg.sender, price, expiry, reservedBuyer, payInEth, true);\n        for (uint256 i; i < assets.length; ++i) {\n            Asset calldata asset = assets[i];\n            require(asset.token.code.length != 0 && asset.amount != 0, \"invalid asset\");\n            require(asset.kind >= ERC20_ASSET && asset.kind <= ERC1155_ASSET, \"invalid kind\");\n            require(asset.kind != ERC20_ASSET || (asset.id == 0 && asset.token != address(settlementToken)), \"invalid ERC20\");\n            require(asset.kind != ERC721_ASSET || asset.amount == 1, \"invalid ERC721 amount\");\n            for (uint256 j; j < i; ++j) {\n                Asset calldata prior = assets[j];\n                require(prior.kind != asset.kind || prior.token != asset.token || prior.id != asset.id, \"duplicate asset\");\n            }\n            _lock(asset);\n            orderAssets[orderId].push(asset);\n            emit BasketAsset(orderId, uint8(i), asset.kind, asset.token, asset.id, asset.amount);\n        }\n        emit BasketCreated(orderId, msg.sender, price, expiry, reservedBuyer, payInEth);\n    }\n\n    function buy(uint256 orderId) external payable nonReentrant {\n        Order storage order = orders[orderId];\n        require(order.active && block.timestamp <= order.expiry, \"inactive or expired\");\n        require(msg.sender != order.seller, \"seller cannot buy\");\n        require(order.reservedBuyer == address(0) || order.reservedBuyer == msg.sender, \"reserved order\");\n        order.active = false;\n\n        uint256 fee = order.price * feeBps / 10_000;\n        if (order.payInEth) {\n            require(msg.value == order.price, \"ETH amount mismatch\");\n            _sendEth(order.seller, order.price - fee);\n            if (fee != 0) _sendEth(feeRecipient, fee);\n        } else {\n            require(msg.value == 0, \"ETH not accepted\");\n            uint256 beforeBalance = settlementToken.balanceOf(address(this));\n            settlementToken.safeTransferFrom(msg.sender, address(this), order.price);\n            require(settlementToken.balanceOf(address(this)) - beforeBalance == order.price, \"payment mismatch\");\n            settlementToken.safeTransfer(order.seller, order.price - fee);\n            if (fee != 0) settlementToken.safeTransfer(feeRecipient, fee);\n        }\n\n        Asset[] storage assets = orderAssets[orderId];\n        for (uint256 i; i < assets.length; ++i) _deliver(assets[i], msg.sender);\n        emit BasketFilled(orderId, msg.sender, order.price, fee, order.payInEth);\n    }\n\n    function _sendEth(address receiver, uint256 value) private {\n        (bool success,) = payable(receiver).call{value: value}(\"\");\n        require(success, \"ETH payment failed\");\n    }\n\n    function cancel(uint256 orderId) external nonReentrant {\n        Order storage order = orders[orderId];\n        require(order.active, \"inactive order\");\n        require(msg.sender == order.seller || block.timestamp > order.expiry, \"not cancellable\");\n        order.active = false;\n        Asset[] storage assets = orderAssets[orderId];\n        for (uint256 i; i < assets.length; ++i) _deliver(assets[i], order.seller);\n        emit BasketCancelled(orderId);\n    }\n\n    function getAssets(uint256 orderId) external view returns (Asset[] memory) {\n        return orderAssets[orderId];\n    }\n\n    function _lock(Asset calldata asset) private {\n        if (asset.kind == ERC20_ASSET) {\n            IERC20 token = IERC20(asset.token);\n            uint256 beforeBalance = token.balanceOf(address(this));\n            token.safeTransferFrom(msg.sender, address(this), asset.amount);\n            require(token.balanceOf(address(this)) - beforeBalance == asset.amount, \"ERC20 not received\");\n        } else {\n            expectedKind = asset.kind;\n            expectedToken = asset.token;\n            expectedSeller = msg.sender;\n            expectedId = asset.id;\n            expectedAmount = asset.amount;\n            if (asset.kind == ERC721_ASSET) {\n                IERC721 token = IERC721(asset.token);\n                token.safeTransferFrom(msg.sender, address(this), asset.id);\n                require(token.ownerOf(asset.id) == address(this), \"ERC721 not received\");\n            } else {\n                IERC1155 token = IERC1155(asset.token);\n                uint256 beforeBalance = token.balanceOf(address(this), asset.id);\n                token.safeTransferFrom(msg.sender, address(this), asset.id, asset.amount, \"\");\n                require(token.balanceOf(address(this), asset.id) - beforeBalance == asset.amount, \"ERC1155 not received\");\n            }\n            delete expectedKind;\n            delete expectedToken;\n            delete expectedSeller;\n            delete expectedId;\n            delete expectedAmount;\n        }\n    }\n\n    function _deliver(Asset storage asset, address receiver) private {\n        if (asset.kind == ERC20_ASSET) {\n            IERC20 token = IERC20(asset.token);\n            uint256 beforeBalance = token.balanceOf(receiver);\n            token.safeTransfer(receiver, asset.amount);\n            require(token.balanceOf(receiver) - beforeBalance == asset.amount, \"ERC20 delivery mismatch\");\n        } else if (asset.kind == ERC721_ASSET) {\n            IERC721(asset.token).safeTransferFrom(address(this), receiver, asset.id);\n            require(IERC721(asset.token).ownerOf(asset.id) == receiver, \"ERC721 delivery mismatch\");\n        } else {\n            IERC1155 token = IERC1155(asset.token);\n            uint256 beforeBalance = token.balanceOf(receiver, asset.id);\n            token.safeTransferFrom(address(this), receiver, asset.id, asset.amount, \"\");\n            require(token.balanceOf(receiver, asset.id) - beforeBalance == asset.amount, \"ERC1155 delivery mismatch\");\n        }\n    }\n\n    function onERC721Received(address, address from, uint256 id, bytes calldata)\n        external view override returns (bytes4)\n    {\n        require(expectedKind == ERC721_ASSET && msg.sender == expectedToken && from == expectedSeller && id == expectedId, \"unexpected ERC721\");\n        return IERC721Receiver.onERC721Received.selector;\n    }\n\n    function onERC1155Received(address, address from, uint256 id, uint256 amount, bytes calldata)\n        external view override returns (bytes4)\n    {\n        require(expectedKind == ERC1155_ASSET && msg.sender == expectedToken && from == expectedSeller && id == expectedId && amount == expectedAmount, \"unexpected ERC1155\");\n        return IERC1155Receiver.onERC1155Received.selector;\n    }\n\n    function onERC1155BatchReceived(address, address, uint256[] calldata, uint256[] calldata, bytes calldata)\n        external pure override returns (bytes4)\n    {\n        revert(\"batch transfer unsupported\");\n    }\n\n    function supportsInterface(bytes4 interfaceId) external pure override returns (bool) {\n        return interfaceId == type(IERC1155Receiver).interfaceId || interfaceId == type(IERC721Receiver).interfaceId;\n    }\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-20 standard as defined in the ERC.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the value of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the value of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the\n     * allowance mechanism. `value` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC721/IERC721.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC721/IERC721.sol)\n\npragma solidity >=0.6.2;\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"
    },
    "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity >=0.5.0;\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"
    },
    "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC1155/IERC1155.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC165} from \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC-1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[ERC].\n */\ninterface IERC1155 is IERC165 {\n    /**\n     * @dev Emitted when `value` amount of tokens of type `id` are transferred from `from` to `to` by `operator`.\n     */\n    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n    /**\n     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n     * transfers.\n     */\n    event TransferBatch(\n        address indexed operator,\n        address indexed from,\n        address indexed to,\n        uint256[] ids,\n        uint256[] values\n    );\n\n    /**\n     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n     * `approved`.\n     */\n    event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n    /**\n     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n     *\n     * If an {URI} event was emitted for `id`, the standard\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n     * returned by {IERC1155MetadataURI-uri}.\n     */\n    event URI(string value, uint256 indexed id);\n\n    /**\n     * @dev Returns the value of tokens of token type `id` owned by `account`.\n     */\n    function balanceOf(address account, uint256 id) external view returns (uint256);\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n     *\n     * Requirements:\n     *\n     * - `accounts` and `ids` must have the same length.\n     */\n    function balanceOfBatch(\n        address[] calldata accounts,\n        uint256[] calldata ids\n    ) external view returns (uint256[] memory);\n\n    /**\n     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n     *\n     * Emits an {ApprovalForAll} event.\n     *\n     * Requirements:\n     *\n     * - `operator` cannot be the zero address.\n     */\n    function setApprovalForAll(address operator, bool approved) external;\n\n    /**\n     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n     *\n     * See {setApprovalForAll}.\n     */\n    function isApprovedForAll(address account, address operator) external view returns (bool);\n\n    /**\n     * @dev Transfers a `value` amount of tokens of type `id` from `from` to `to`.\n     *\n     * WARNING: This function can potentially allow a reentrancy attack when transferring tokens\n     * to an untrusted contract, when invoking {IERC1155Receiver-onERC1155Received} on the receiver.\n     * Ensure to follow the checks-effects-interactions pattern and consider employing\n     * reentrancy guards when interacting with untrusted contracts.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n     * - `from` must have a balance of tokens of type `id` of at least `value` amount.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function safeTransferFrom(address from, address to, uint256 id, uint256 value, bytes calldata data) external;\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n     *\n     * WARNING: This function can potentially allow a reentrancy attack when transferring tokens\n     * to an untrusted contract, when invoking {IERC1155Receiver-onERC1155BatchReceived} on the receiver.\n     * Ensure to follow the checks-effects-interactions pattern and consider employing\n     * reentrancy guards when interacting with untrusted contracts.\n     *\n     * Emits either a {TransferSingle} or a {TransferBatch} event, depending on the length of the array arguments.\n     *\n     * Requirements:\n     *\n     * - `ids` and `values` must have the same length.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     */\n    function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] calldata ids,\n        uint256[] calldata values,\n        bytes calldata data\n    ) external;\n}\n"
    },
    "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC165} from \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface that must be implemented by smart contracts in order to receive\n * ERC-1155 token transfers.\n */\ninterface IERC1155Receiver is IERC165 {\n    /**\n     * @dev Handles the receipt of a single ERC-1155 token type. This function is\n     * called at the end of a `safeTransferFrom` after the balance has been updated.\n     *\n     * NOTE: To accept the transfer, this must return\n     * `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n     * (i.e. 0xf23a6e61, or its own function selector).\n     *\n     * @param operator The address which initiated the transfer (i.e. msg.sender)\n     * @param from The address which previously owned the token\n     * @param id The ID of the token being transferred\n     * @param value The amount of tokens being transferred\n     * @param data Additional data with no specified format\n     * @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n     */\n    function onERC1155Received(\n        address operator,\n        address from,\n        uint256 id,\n        uint256 value,\n        bytes calldata data\n    ) external returns (bytes4);\n\n    /**\n     * @dev Handles the receipt of a multiple ERC-1155 token types. This function\n     * is called at the end of a `safeBatchTransferFrom` after the balances have\n     * been updated.\n     *\n     * NOTE: To accept the transfer(s), this must return\n     * `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n     * (i.e. 0xbc197c81, or its own function selector).\n     *\n     * @param operator The address which initiated the batch transfer (i.e. msg.sender)\n     * @param from The address which previously owned the token\n     * @param ids An array containing ids of each token being transferred (order and length must match values array)\n     * @param values An array containing amounts of each token being transferred (order and length must match ids array)\n     * @param data Additional data with no specified format\n     * @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n     */\n    function onERC1155BatchReceived(\n        address operator,\n        address from,\n        uint256[] calldata ids,\n        uint256[] calldata values,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"../IERC20.sol\";\nimport {IERC1363} from \"../../../interfaces/IERC1363.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC-20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    /**\n     * @dev An operation with an ERC-20 token failed.\n     */\n    error SafeERC20FailedOperation(address token);\n\n    /**\n     * @dev Indicates a failed `decreaseAllowance` request.\n     */\n    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);\n\n    /**\n     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeTransfer(IERC20 token, address to, uint256 value) internal {\n        if (!_safeTransfer(token, to, value, true)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n     */\n    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\n        if (!_safeTransferFrom(token, from, to, value, true)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.\n     */\n    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {\n        return _safeTransfer(token, to, value, false);\n    }\n\n    /**\n     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.\n     */\n    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {\n        return _safeTransferFrom(token, from, to, value, false);\n    }\n\n    /**\n     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     *\n     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n     * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n     */\n    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        uint256 oldAllowance = token.allowance(address(this), spender);\n        forceApprove(token, spender, oldAllowance + value);\n    }\n\n    /**\n     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no\n     * value, non-reverting calls are assumed to be successful.\n     *\n     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n     * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n     */\n    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {\n        unchecked {\n            uint256 currentAllowance = token.allowance(address(this), spender);\n            if (currentAllowance < requestedDecrease) {\n                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);\n            }\n            forceApprove(token, spender, currentAllowance - requestedDecrease);\n        }\n    }\n\n    /**\n     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n     * to be set to zero before setting it to a non-zero value, such as USDT.\n     *\n     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function\n     * only sets the \"standard\" allowance. Any temporary allowance will remain active, in addition to the value being\n     * set here.\n     */\n    function forceApprove(IERC20 token, address spender, uint256 value) internal {\n        if (!_safeApprove(token, spender, value, false)) {\n            if (!_safeApprove(token, spender, 0, true)) revert SafeERC20FailedOperation(address(token));\n            if (!_safeApprove(token, spender, value, true)) revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no\n     * code. This can be used to implement an {ERC721}-like safe transfer that relies on {ERC1363} checks when\n     * targeting contracts.\n     *\n     * Reverts if the returned value is other than `true`.\n     */\n    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n        if (to.code.length == 0) {\n            safeTransfer(token, to, value);\n        } else if (!token.transferAndCall(to, value, data)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target\n     * has no code. This can be used to implement an {ERC721}-like safe transfer that relies on {ERC1363} checks when\n     * targeting contracts.\n     *\n     * Reverts if the returned value is other than `true`.\n     */\n    function transferFromAndCallRelaxed(\n        IERC1363 token,\n        address from,\n        address to,\n        uint256 value,\n        bytes memory data\n    ) internal {\n        if (to.code.length == 0) {\n            safeTransferFrom(token, from, to, value);\n        } else if (!token.transferFromAndCall(from, to, value, data)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no\n     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when\n     * targeting contracts.\n     *\n     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.\n     * Oppositely, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}\n     * once without retrying, and relies on the returned value to be true.\n     *\n     * Reverts if the returned value is other than `true`.\n     */\n    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n        if (to.code.length == 0) {\n            forceApprove(token, to, value);\n        } else if (!token.approveAndCall(to, value, data)) {\n            revert SafeERC20FailedOperation(address(token));\n        }\n    }\n\n    /**\n     * @dev Imitates a Solidity `token.transfer(to, value)` call, relaxing the requirement on the return value: the\n     * return value is optional (but if data is returned, it must not be false).\n     *\n     * @param token The token targeted by the call.\n     * @param to The recipient of the tokens\n     * @param value The amount of token to transfer\n     * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n     */\n    function _safeTransfer(IERC20 token, address to, uint256 value, bool bubble) private returns (bool success) {\n        bytes4 selector = IERC20.transfer.selector;\n\n        assembly (\"memory-safe\") {\n            let fmp := mload(0x40)\n            mstore(0x00, selector)\n            mstore(0x04, and(to, shr(96, not(0))))\n            mstore(0x24, value)\n            success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n            // if call success and return is true, all is good.\n            // otherwise (not success or return is not true), we need to perform further checks\n            if iszero(and(success, eq(mload(0x00), 1))) {\n                // if the call was a failure and bubble is enabled, bubble the error\n                if and(iszero(success), bubble) {\n                    returndatacopy(fmp, 0x00, returndatasize())\n                    revert(fmp, returndatasize())\n                }\n                // if the return value is not true, then the call is only successful if:\n                // - the token address has code\n                // - the returndata is empty\n                success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n            }\n            mstore(0x40, fmp)\n        }\n    }\n\n    /**\n     * @dev Imitates a Solidity `token.transferFrom(from, to, value)` call, relaxing the requirement on the return\n     * value: the return value is optional (but if data is returned, it must not be false).\n     *\n     * @param token The token targeted by the call.\n     * @param from The sender of the tokens\n     * @param to The recipient of the tokens\n     * @param value The amount of token to transfer\n     * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n     */\n    function _safeTransferFrom(\n        IERC20 token,\n        address from,\n        address to,\n        uint256 value,\n        bool bubble\n    ) private returns (bool success) {\n        bytes4 selector = IERC20.transferFrom.selector;\n\n        assembly (\"memory-safe\") {\n            let fmp := mload(0x40)\n            mstore(0x00, selector)\n            mstore(0x04, and(from, shr(96, not(0))))\n            mstore(0x24, and(to, shr(96, not(0))))\n            mstore(0x44, value)\n            success := call(gas(), token, 0, 0x00, 0x64, 0x00, 0x20)\n            // if call success and return is true, all is good.\n            // otherwise (not success or return is not true), we need to perform further checks\n            if iszero(and(success, eq(mload(0x00), 1))) {\n                // if the call was a failure and bubble is enabled, bubble the error\n                if and(iszero(success), bubble) {\n                    returndatacopy(fmp, 0x00, returndatasize())\n                    revert(fmp, returndatasize())\n                }\n                // if the return value is not true, then the call is only successful if:\n                // - the token address has code\n                // - the returndata is empty\n                success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n            }\n            mstore(0x40, fmp)\n            mstore(0x60, 0)\n        }\n    }\n\n    /**\n     * @dev Imitates a Solidity `token.approve(spender, value)` call, relaxing the requirement on the return value:\n     * the return value is optional (but if data is returned, it must not be false).\n     *\n     * @param token The token targeted by the call.\n     * @param spender The spender of the tokens\n     * @param value The amount of token to transfer\n     * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n     */\n    function _safeApprove(IERC20 token, address spender, uint256 value, bool bubble) private returns (bool success) {\n        bytes4 selector = IERC20.approve.selector;\n\n        assembly (\"memory-safe\") {\n            let fmp := mload(0x40)\n            mstore(0x00, selector)\n            mstore(0x04, and(spender, shr(96, not(0))))\n            mstore(0x24, value)\n            success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n            // if call success and return is true, all is good.\n            // otherwise (not success or return is not true), we need to perform further checks\n            if iszero(and(success, eq(mload(0x00), 1))) {\n                // if the call was a failure and bubble is enabled, bubble the error\n                if and(iszero(success), bubble) {\n                    returndatacopy(fmp, 0x00, returndatasize())\n                    revert(fmp, returndatasize())\n                }\n                // if the return value is not true, then the call is only successful if:\n                // - the token address has code\n                // - the returndata is empty\n                success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n            }\n            mstore(0x40, fmp)\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (utils/ReentrancyGuard.sol)\n\npragma solidity ^0.8.20;\n\nimport {StorageSlot} from \"./StorageSlot.sol\";\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,\n * consider using {ReentrancyGuardTransient} instead.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n *\n * IMPORTANT: Deprecated. This storage-based reentrancy guard will be removed and replaced\n * by the {ReentrancyGuardTransient} variant in v6.0.\n *\n * @custom:stateless\n */\nabstract contract ReentrancyGuard {\n    using StorageSlot for bytes32;\n\n    // keccak256(abi.encode(uint256(keccak256(\"openzeppelin.storage.ReentrancyGuard\")) - 1)) & ~bytes32(uint256(0xff))\n    bytes32 private constant REENTRANCY_GUARD_STORAGE =\n        0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00;\n\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\n    uint256 private constant NOT_ENTERED = 1;\n    uint256 private constant ENTERED = 2;\n\n    /**\n     * @dev Unauthorized reentrant call.\n     */\n    error ReentrancyGuardReentrantCall();\n\n    constructor() {\n        _reentrancyGuardStorageSlot().getUint256Slot().value = NOT_ENTERED;\n    }\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        _nonReentrantBefore();\n        _;\n        _nonReentrantAfter();\n    }\n\n    /**\n     * @dev A `view` only version of {nonReentrant}. Use to block view functions\n     * from being called, preventing reading from inconsistent contract state.\n     *\n     * CAUTION: This is a \"view\" modifier and does not change the reentrancy\n     * status. Use it only on view functions. For payable or non-payable functions,\n     * use the standard {nonReentrant} modifier instead.\n     */\n    modifier nonReentrantView() {\n        _nonReentrantBeforeView();\n        _;\n    }\n\n    function _nonReentrantBeforeView() private view {\n        if (_reentrancyGuardEntered()) {\n            revert ReentrancyGuardReentrantCall();\n        }\n    }\n\n    function _nonReentrantBefore() private {\n        // On the first call to nonReentrant, _status will be NOT_ENTERED\n        _nonReentrantBeforeView();\n\n        // Any calls to nonReentrant after this point will fail\n        _reentrancyGuardStorageSlot().getUint256Slot().value = ENTERED;\n    }\n\n    function _nonReentrantAfter() private {\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _reentrancyGuardStorageSlot().getUint256Slot().value = NOT_ENTERED;\n    }\n\n    /**\n     * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n     * `nonReentrant` function in the call stack.\n     */\n    function _reentrancyGuardEntered() internal view returns (bool) {\n        return _reentrancyGuardStorageSlot().getUint256Slot().value == ENTERED;\n    }\n\n    function _reentrancyGuardStorageSlot() internal pure virtual returns (bytes32) {\n        return REENTRANCY_GUARD_STORAGE;\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/introspection/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)\n\npragma solidity >=0.4.16;\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"
    },
    "@openzeppelin/contracts/interfaces/IERC1363.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC165} from \"./IERC165.sol\";\n\n/**\n * @title IERC1363\n * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].\n *\n * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract\n * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.\n */\ninterface IERC1363 is IERC20, IERC165 {\n    /*\n     * Note: the ERC-165 identifier for this interface is 0xb0202a11.\n     * 0xb0202a11 ===\n     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^\n     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^\n     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^\n     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^\n     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^\n     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))\n     */\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferAndCall(address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from the caller's account to `to`\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @param data Additional data with no specified format, sent in call to `to`.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param from The address which you want to send tokens from.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);\n\n    /**\n     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n     * @param from The address which you want to send tokens from.\n     * @param to The address which you want to transfer to.\n     * @param value The amount of tokens to be transferred.\n     * @param data Additional data with no specified format, sent in call to `to`.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n     * @param spender The address which will spend the funds.\n     * @param value The amount of tokens to be spent.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function approveAndCall(address spender, uint256 value) external returns (bool);\n\n    /**\n     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n     * @param spender The address which will spend the funds.\n     * @param value The amount of tokens to be spent.\n     * @param data Additional data with no specified format, sent in call to `spender`.\n     * @return A boolean value indicating whether the operation succeeded unless throwing.\n     */\n    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);\n}\n"
    },
    "@openzeppelin/contracts/utils/StorageSlot.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC-1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n *     // Define the slot. Alternatively, use the SlotDerivation library to derive the slot.\n *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n *     function _getImplementation() internal view returns (address) {\n *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n *     }\n *\n *     function _setImplementation(address newImplementation) internal {\n *         require(newImplementation.code.length > 0);\n *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n *     }\n * }\n * ```\n *\n * TIP: Consider using this library along with {SlotDerivation}.\n */\nlibrary StorageSlot {\n    struct AddressSlot {\n        address value;\n    }\n\n    struct BooleanSlot {\n        bool value;\n    }\n\n    struct Bytes32Slot {\n        bytes32 value;\n    }\n\n    struct Uint256Slot {\n        uint256 value;\n    }\n\n    struct Int256Slot {\n        int256 value;\n    }\n\n    struct StringSlot {\n        string value;\n    }\n\n    struct BytesSlot {\n        bytes value;\n    }\n\n    /**\n     * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n     */\n    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `BooleanSlot` with member `value` located at `slot`.\n     */\n    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `Bytes32Slot` with member `value` located at `slot`.\n     */\n    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `Uint256Slot` with member `value` located at `slot`.\n     */\n    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `Int256Slot` with member `value` located at `slot`.\n     */\n    function getInt256Slot(bytes32 slot) internal pure returns (Int256Slot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns a `StringSlot` with member `value` located at `slot`.\n     */\n    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n     */\n    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := store.slot\n        }\n    }\n\n    /**\n     * @dev Returns a `BytesSlot` with member `value` located at `slot`.\n     */\n    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n     */\n    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n        assembly (\"memory-safe\") {\n            r.slot := store.slot\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/interfaces/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC20} from \"../token/ERC20/IERC20.sol\";\n"
    },
    "@openzeppelin/contracts/interfaces/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC165} from \"../utils/introspection/IERC165.sol\";\n"
    }
  },
  "settings": {
    "evmVersion": "cancun",
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "abi",
          "evm.bytecode.object",
          "evm.deployedBytecode.object",
          "evm.deployedBytecode.immutableReferences",
          "metadata"
        ]
      }
    }
  }
}