{
  "language": "Solidity",
  "sources": {
    "contracts/fund/FundAccount.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// Decontracts Protocol. @2022\npragma solidity >=0.8.14;\n\nimport {Initializable} from \"@openzeppelin/contracts/proxy/utils/Initializable.sol\";\nimport {SafeERC20, IERC20} from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport {IERC721} from \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\nimport {Address} from \"@openzeppelin/contracts/utils/Address.sol\";\n\nimport {IFundAccount, Nav, LpDetail, LpAction, FundCreateParams} from \"../interfaces/fund/IFundAccount.sol\";\nimport {IFundManager} from \"../interfaces/fund/IFundManager.sol\";\nimport {IFundFilter} from \"../interfaces/fund/IFundFilter.sol\";\nimport {Errors} from \"../libraries/Errors.sol\";\nimport {IWETH9} from \"../interfaces/external/IWETH9.sol\";\n\ncontract FundAccount is IFundAccount, Initializable {\n    using SafeERC20 for IERC20;\n    using Address for address;\n\n    // Contract version\n    uint256 public constant version = 1;\n\n    // FundManager\n    address public manager;\n    address public weth9;\n    IFundFilter public fundFilter;\n\n    // Block time when the account was opened\n    uint256 public override since;\n\n    // Block time when the account was closed\n    uint256 public override closed;\n\n    // Fund create params\n    string public override name;\n    address public override gp;\n    uint256 public override managementFee;\n    uint256 public override carriedInterest;\n    address public override underlyingToken;\n    address public initiator;\n    uint256 public initiatorAmount;\n    address public recipient;\n    uint256 public recipientMinAmount;\n    address[] private _allowedProtocols;\n    address[] private _allowedTokens;\n    mapping(address => bool) public override isProtocolAllowed;\n    mapping(address => bool) public override isTokenAllowed;\n\n    // Fund runtime data\n    uint256 public override totalUnit;\n    uint256 public override totalCarryInterestAmount;\n    uint256 public override lastUpdateManagementFeeAmount;\n    uint256 private lastUpdateManagementFeeTime;\n    address[] private _lps;\n    mapping(address => LpDetail) private _lpDetails;\n\n    receive() external payable {}\n\n    //////////////////////////////////////////////////////////////////////////////////////////////\n    /////////////////////////////////////// VIEW FUNCTIONS ///////////////////////////////////////\n    //////////////////////////////////////////////////////////////////////////////////////////////\n\n    function ethBalance() external view override returns (uint256) {\n        return address(this).balance;\n    }\n\n    function totalManagementFeeAmount() external view override returns (uint256) {\n        return lastUpdateManagementFeeAmount + _calcManagementFeeFromLastUpdate(_calcTotalValue());\n    }\n\n    function allowedProtocols() external view override returns (address[] memory) {\n        return _allowedProtocols;\n    }\n\n    function allowedTokens() external view override returns (address[] memory) {\n        return _allowedTokens;\n    }\n\n    function lpList() external view override returns (address[] memory) {\n        return _lps;\n    }\n\n    function lpDetailInfo(address addr) external view override returns (LpDetail memory) {\n        return _lpDetails[addr];\n    }\n\n    //////////////////////////////////////////////////////////////////////////////////////////////\n    ///////////////////////////////////// FUND MANAGER ONLY //////////////////////////////////////\n    //////////////////////////////////////////////////////////////////////////////////////////////\n\n    // Caller restricted for manager only\n    modifier onlyManager() {\n        require(msg.sender == manager, Errors.NotManager);\n        _;\n    }\n\n    function initialize(FundCreateParams memory params) external override initializer {\n        manager = msg.sender;\n        weth9 = IFundManager(manager).weth9();\n        fundFilter = IFundManager(manager).fundFilter();\n        since = block.timestamp;\n\n        name = params.name;\n        gp = params.gp;\n        managementFee = params.managementFee;\n        carriedInterest = params.carriedInterest;\n        underlyingToken = params.underlyingToken;\n        initiator = params.initiator;\n        initiatorAmount = params.initiatorAmount;\n        recipient = params.recipient;\n        recipientMinAmount = params.recipientMinAmount;\n        _allowedProtocols = params.allowedProtocols;\n        _allowedTokens = params.allowedTokens;\n\n        for (uint256 i = 0; i < _allowedProtocols.length; i++) {\n            isProtocolAllowed[_allowedProtocols[i]] = true;\n        }\n        for (uint256 i = 0; i < _allowedTokens.length; i++) {\n            isTokenAllowed[_allowedTokens[i]] = true;\n        }\n    }\n\n    /// @dev Approve token for 3rd party contract\n    /// @param token ERC20 token for allowance\n    /// @param spender 3rd party contract address\n    /// @param amount Allowance amount\n    function approveToken(\n        address token,\n        address spender,\n        uint256 amount\n    ) external override onlyManager {\n        IERC20(token).safeApprove(spender, 0);\n        IERC20(token).safeApprove(spender, amount);\n    }\n\n    /// @dev Transfers tokens from account to provided address\n    /// @param token ERC20 token address which should be transferred from this account\n    /// @param to Address of recipient\n    /// @param amount Amount to be transferred\n    function safeTransfer(\n        address token,\n        address to,\n        uint256 amount\n    ) external override onlyManager {\n        IERC20(token).safeTransfer(to, amount);\n    }\n\n    /// @dev setApprovalForAll of token in the account\n    /// @param token ERC721 token address\n    /// @param spender Approval to address\n    /// @param approved approve all or not\n    function setTokenApprovalForAll(\n        address token,\n        address spender,\n        bool approved\n    ) external override onlyManager {\n        IERC721(token).setApprovalForAll(spender, approved);\n    }\n\n    /// @dev Executes financial order on 3rd party service\n    /// @param target Contract address which should be called\n    /// @param data Call data which should be sent\n    function execute(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) external override onlyManager returns (bytes memory) {\n        return target.functionCallWithValue(data, value);\n    }\n\n    function updateName(string memory newName) external onlyManager {\n        name = newName;\n    }\n\n    function buy(address lp, uint256 amount) external onlyManager {\n        Nav memory nav = _updateManagementFeeAndCalcNav();\n        _buy(lp, amount, nav);\n    }\n\n    function sell(address lp, uint256 ratio) external onlyManager {\n        Nav memory nav = _updateManagementFeeAndCalcNav();\n        (uint256 dao, uint256 carry) = _sell(lp, ratio, nav);\n        _transfer(fundFilter.daoAddress(), dao);\n        _transfer(gp, carry);\n    }\n\n    function close() external onlyManager {\n        closed = block.timestamp;\n        Nav memory nav = _updateManagementFeeAndCalcNav();\n        uint256 daoSum;\n        for (uint256 i = 0; i < _lps.length; i++) {\n            (uint256 dao, ) = _sell(_lps[i], 10000, nav);\n            daoSum += dao;\n        }\n        _transfer(fundFilter.daoAddress(), daoSum);\n        _collect(true);\n    }\n\n    function collect() external onlyManager {\n        _updateManagementFeeAmount(_calcTotalValue());\n        _collect(false);\n    }\n\n    function wrapWETH9() external onlyManager {\n        uint256 balance = address(this).balance;\n        if (balance > 0) {\n            IWETH9(weth9).deposit{value: balance}();\n        }\n    }\n\n    function unwrapWETH9() external onlyManager {\n        uint256 balance = IWETH9(weth9).balanceOf(address(this));\n        if (balance > 0) {\n            IWETH9(weth9).withdraw(balance);\n        }\n    }\n\n    //////////////////////////////////////////////////////////////////////////////////////////////\n    ///////////////////////////////////// PRIVATE FUNCTIONS //////////////////////////////////////\n    //////////////////////////////////////////////////////////////////////////////////////////////\n\n    function _calcTotalValue() private view returns (uint256) {\n        if (closed > 0) {\n            return _underlyingBalance();\n        } else {\n            return IFundManager(manager).calcTotalValue(address(this));\n        }\n    }\n\n    function _calcManagementFeeFromLastUpdate(uint256 _totalValue) private view returns (uint256) {\n        return (_totalValue * managementFee * (block.timestamp - lastUpdateManagementFeeTime)) / (1e4 * 365 * 86400);\n    }\n\n    function _updateManagementFeeAmount(uint256 _totalValue) private returns (uint256 recent) {\n        recent = _calcManagementFeeFromLastUpdate(_totalValue);\n        lastUpdateManagementFeeAmount += recent;\n        lastUpdateManagementFeeTime = block.timestamp;\n    }\n\n    function _updateManagementFeeAndCalcNav() private returns (Nav memory nav) {\n        uint256 totalValue = _calcTotalValue();\n        uint256 recentFee = _updateManagementFeeAmount(totalValue);\n        nav = Nav(totalValue - recentFee, totalUnit);\n    }\n\n    function _buy(\n        address lp,\n        uint256 amount,\n        Nav memory nav\n    ) private {\n        // Calc unit from amount & nav\n        uint256 unit;\n        if (totalUnit == 0) {\n            // account first buy (nav = 1)\n            unit = amount;\n        } else {\n            unit = (amount * nav.totalUnit) / nav.totalValue;\n        }\n\n        // Update lpDetail\n        LpDetail storage lpDetail = _lpDetails[lp];\n        if (lpDetail.totalUnit == 0) {\n            // lp first buy\n            if (lp != initiator) {\n                require(amount >= recipientMinAmount, Errors.NotEnoughBuyAmount);\n            }\n            _lps.push(lp);\n        }\n        lpDetail.lpActions.push(LpAction(1, amount, unit, block.timestamp, 0, 0, 0, 0));\n        lpDetail.totalUnit += unit;\n        lpDetail.totalAmount += amount;\n\n        // Update account\n        totalUnit += unit;\n    }\n\n    function _sell(\n        address lp,\n        uint256 ratio,\n        Nav memory nav\n    ) private returns (uint256 dao, uint256 carry) {\n        // Calc unit from ratio & lp's holding units\n        LpDetail storage lpDetail = _lpDetails[lp];\n        uint256 unit = (lpDetail.totalUnit * ratio) / 1e4;\n\n        // Calc amount from unit & nav\n        uint256 amount = (nav.totalValue * unit) / nav.totalUnit;\n\n        // Calc principal from unit & lp's holding nav\n        uint256 base = (lpDetail.totalAmount * unit) / lpDetail.totalUnit;\n\n        // Calc gain/loss detail from amount & base\n        uint256 gain;\n        uint256 loss;\n        if (amount >= base) {\n            gain = amount - base;\n            dao = (gain * fundFilter.daoProfit()) / 1e4;\n            carry = ((gain - dao) * carriedInterest) / 1e4;\n        } else {\n            loss = base - amount;\n        }\n\n        // Update lpDetail\n        lpDetail.lpActions.push(LpAction(2, amount, unit, block.timestamp, gain, loss, carry, dao));\n        lpDetail.totalUnit -= unit;\n        lpDetail.totalAmount -= base;\n\n        // Update account\n        totalUnit -= unit;\n        totalCarryInterestAmount += carry;\n\n        // Transfer\n        if (lp != gp) {\n            _transfer(lp, amount - dao - carry);\n        } else {\n            // merge transfers for gp\n            carry = amount - dao;\n        }\n    }\n\n    function _collect(bool allBalance) private {\n        uint256 collectAmount;\n        if (allBalance) {\n            collectAmount = _underlyingBalance();\n        } else {\n            collectAmount = lastUpdateManagementFeeAmount;\n        }\n        lastUpdateManagementFeeAmount = 0;\n        _transfer(gp, collectAmount);\n    }\n\n    function _underlyingBalance() private view returns (uint256) {\n        if (underlyingToken == weth9) {\n            return address(this).balance;\n        } else {\n            return IERC20(underlyingToken).balanceOf(address(this));\n        }\n    }\n\n    function _transfer(address to, uint256 value) private {\n        if (value > 0) {\n            if (underlyingToken == weth9) {\n                if (to.code.length > 0) {\n                    // Smart contract may refuse to receive ETH\n                    // This will block execution of closing account\n                    // So send WETH to smart contract instead\n                    IWETH9(weth9).deposit{value: value}();\n                    IERC20(weth9).safeTransfer(to, value);\n                } else {\n                    payable(to).transfer(value);\n                }\n            } else {\n                IERC20(underlyingToken).safeTransfer(to, value);\n            }\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/proxy/utils/Initializable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/Address.sol\";\n\n/**\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * contract MyToken is ERC20Upgradeable {\n *     function initialize() initializer public {\n *         __ERC20_init(\"MyToken\", \"MTK\");\n *     }\n * }\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n *     function initializeV2() reinitializer(2) public {\n *         __ERC20Permit_init(\"MyToken\");\n *     }\n * }\n * ```\n *\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\n *\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n *     _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n    /**\n     * @dev Indicates that the contract has been initialized.\n     * @custom:oz-retyped-from bool\n     */\n    uint8 private _initialized;\n\n    /**\n     * @dev Indicates that the contract is in the process of being initialized.\n     */\n    bool private _initializing;\n\n    /**\n     * @dev Triggered when the contract has been initialized or reinitialized.\n     */\n    event Initialized(uint8 version);\n\n    /**\n     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n     * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`.\n     */\n    modifier initializer() {\n        bool isTopLevelCall = !_initializing;\n        require(\n            (isTopLevelCall && _initialized < 1) || (!Address.isContract(address(this)) && _initialized == 1),\n            \"Initializable: contract is already initialized\"\n        );\n        _initialized = 1;\n        if (isTopLevelCall) {\n            _initializing = true;\n        }\n        _;\n        if (isTopLevelCall) {\n            _initializing = false;\n            emit Initialized(1);\n        }\n    }\n\n    /**\n     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n     * used to initialize parent contracts.\n     *\n     * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original\n     * initialization step. This is essential to configure modules that are added through upgrades and that require\n     * initialization.\n     *\n     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n     * a contract, executing them in the right order is up to the developer or operator.\n     */\n    modifier reinitializer(uint8 version) {\n        require(!_initializing && _initialized < version, \"Initializable: contract is already initialized\");\n        _initialized = version;\n        _initializing = true;\n        _;\n        _initializing = false;\n        emit Initialized(version);\n    }\n\n    /**\n     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n     * {initializer} and {reinitializer} modifiers, directly or indirectly.\n     */\n    modifier onlyInitializing() {\n        require(_initializing, \"Initializable: contract is not initializing\");\n        _;\n    }\n\n    /**\n     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n     * through proxies.\n     */\n    function _disableInitializers() internal virtual {\n        require(!_initializing, \"Initializable: contract is initializing\");\n        if (_initialized < type(uint8).max) {\n            _initialized = type(uint8).max;\n            emit Initialized(type(uint8).max);\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/draft-IERC20Permit.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 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    using Address for address;\n\n    function safeTransfer(\n        IERC20 token,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    function safeTransferFrom(\n        IERC20 token,\n        address from,\n        address to,\n        uint256 value\n    ) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n    }\n\n    /**\n     * @dev Deprecated. This function has issues similar to the ones found in\n     * {IERC20-approve}, and its usage is discouraged.\n     *\n     * Whenever possible, use {safeIncreaseAllowance} and\n     * {safeDecreaseAllowance} instead.\n     */\n    function safeApprove(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        // safeApprove should only be called when setting an initial allowance,\n        // or when resetting it to zero. To increase and decrease it, use\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n        require(\n            (value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    function safeIncreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }\n\n    function safeDecreaseAllowance(\n        IERC20 token,\n        address spender,\n        uint256 value\n    ) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            uint256 newAllowance = oldAllowance - value;\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n        }\n    }\n\n    function safePermit(\n        IERC20Permit token,\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal {\n        uint256 nonceBefore = token.nonces(owner);\n        token.permit(owner, spender, value, deadline, v, r, s);\n        uint256 nonceAfter = token.nonces(owner);\n        require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        if (returndata.length > 0) {\n            // Return data is optional\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/token/ERC721/IERC721.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 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 a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external;\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC721 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 {setApprovalForAll}.\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 safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Transfers `tokenId` token from `from` to `to`.\n     *\n     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\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 caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool _approved) external;\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}\n     */\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
    },
    "@openzeppelin/contracts/utils/Address.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCall(target, data, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        require(isContract(target), \"Address: call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        require(isContract(target), \"Address: static call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(isContract(target), \"Address: delegate call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            // Look for revert reason and bubble it up if present\n            if (returndata.length > 0) {\n                // The easiest way to bubble the revert reason is using memory via assembly\n                /// @solidity memory-safe-assembly\n                assembly {\n                    let returndata_size := mload(returndata)\n                    revert(add(32, returndata), returndata_size)\n                }\n            } else {\n                revert(errorMessage);\n            }\n        }\n    }\n}\n"
    },
    "contracts/interfaces/fund/IFundAccount.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// Decontracts Protocol. @2022\npragma solidity >=0.8.14;\n\nstruct Nav {\n    // Net Asset Value, can't store as float\n    uint256 totalValue;\n    uint256 totalUnit;\n}\n\nstruct LpAction {\n    uint256 actionType; // 1. buy, 2. sell\n    uint256 amount;\n    uint256 unit;\n    uint256 time;\n    uint256 gain;\n    uint256 loss;\n    uint256 carry;\n    uint256 dao;\n}\n\nstruct LpDetail {\n    uint256 totalAmount;\n    uint256 totalUnit;\n    LpAction[] lpActions;\n}\n\nstruct FundCreateParams {\n    string name;\n    address gp;\n    uint256 managementFee;\n    uint256 carriedInterest;\n    address underlyingToken;\n    address initiator;\n    uint256 initiatorAmount;\n    address recipient;\n    uint256 recipientMinAmount;\n    address[] allowedProtocols;\n    address[] allowedTokens;\n}\n\ninterface IFundAccount {\n\n    function since() external view returns (uint256);\n\n    function closed() external view returns (uint256);\n\n    function name() external view returns (string memory);\n\n    function gp() external view returns (address);\n\n    function managementFee() external view returns (uint256);\n\n    function carriedInterest() external view returns (uint256);\n\n    function underlyingToken() external view returns (address);\n\n    function ethBalance() external view returns (uint256);\n\n    function initiator() external view returns (address);\n\n    function initiatorAmount() external view returns (uint256);\n\n    function recipient() external view returns (address);\n\n    function recipientMinAmount() external view returns (uint256);\n\n    function lpList() external view returns (address[] memory);\n\n    function lpDetailInfo(address addr) external view returns (LpDetail memory);\n\n    function allowedProtocols() external view returns (address[] memory);\n\n    function allowedTokens() external view returns (address[] memory);\n\n    function isProtocolAllowed(address protocol) external view returns (bool);\n\n    function isTokenAllowed(address token) external view returns (bool);\n\n    function totalUnit() external view returns (uint256);\n\n    function totalManagementFeeAmount() external view returns (uint256);\n\n    function lastUpdateManagementFeeAmount() external view returns (uint256);\n\n    function totalCarryInterestAmount() external view returns (uint256);\n\n    function initialize(FundCreateParams memory params) external;\n\n    function approveToken(\n        address token,\n        address spender,\n        uint256 amount\n    ) external;\n\n    function safeTransfer(\n        address token,\n        address to,\n        uint256 amount\n    ) external;\n\n    function setTokenApprovalForAll(\n        address token,\n        address spender,\n        bool approved\n    ) external;\n\n    function execute(address target, bytes memory data, uint256 value) external returns (bytes memory);\n\n    function buy(address lp, uint256 amount) external;\n\n    function sell(address lp, uint256 ratio) external;\n\n    function collect() external;\n\n    function close() external;\n\n    function updateName(string memory newName) external;\n\n    function wrapWETH9() external;\n\n    function unwrapWETH9() external;\n\n}\n"
    },
    "contracts/interfaces/fund/IFundManager.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// Decontracts Protocol. @2022\npragma solidity >=0.8.14;\n\nimport {IFundFilter} from \"./IFundFilter.sol\";\nimport {IPaymentGateway} from \"./IPaymentGateway.sol\";\n\ninterface IFundManager is IPaymentGateway {\n    struct AccountCloseParams {\n        address account;\n        bytes[] paths;\n    }\n\n    function owner() external view returns (address);\n    function fundFilter() external view returns (IFundFilter);\n\n    function getAccountsCount(address) external view returns (uint256);\n    function getAccounts(address) external view returns (address[] memory);\n\n    function buyFund(address, uint256) external payable;\n    function sellFund(address, uint256) external;\n    function unwrapWETH9(address) external;\n\n    function calcTotalValue(address account) external view returns (uint256 total);\n\n    function lpTokensOfAccount(address account) external view returns (uint256[] memory);\n\n    function provideAccountAllowance(\n        address account,\n        address token,\n        address protocol,\n        uint256 amount\n    ) external;\n\n    function executeOrder(\n        address account,\n        address protocol,\n        bytes calldata data,\n        uint256 value\n    ) external returns (bytes memory);\n\n    function onMint(\n        address account,\n        uint256 tokenId\n    ) external;\n\n    function onCollect(\n        address account,\n        uint256 tokenId\n    ) external;\n\n    function onIncrease(\n        address account,\n        uint256 tokenId\n    ) external;\n\n    // @dev Emit an event when new account is created\n    // @param account The fund account address\n    // @param initiator The initiator address\n    // @param recipient The recipient address\n    event AccountCreated(address indexed account, address indexed initiator, address indexed recipient);\n}\n"
    },
    "contracts/interfaces/fund/IFundFilter.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// Decontracts Protocol. @2022\npragma solidity >=0.8.14;\n\nstruct FundFilterInitializeParams {\n    address priceOracle;\n    address swapRouter;\n    address positionManager;\n    address positionViewer;\n    address protocolAdapter;\n    address[] allowedUnderlyingTokens;\n    address[] allowedTokens;\n    address[] allowedProtocols;\n    uint256 minManagementFee;\n    uint256 maxManagementFee;\n    uint256 minCarriedInterest;\n    uint256 maxCarriedInterest;\n    address daoAddress;\n    uint256 daoProfit;\n}\n\ninterface IFundFilter {\n\n    event AllowedUnderlyingTokenUpdated(address indexed token, bool allowed);\n\n    event AllowedTokenUpdated(address indexed token, bool allowed);\n\n    event AllowedProtocolUpdated(address indexed protocol, bool allowed);\n\n    function priceOracle() external view returns (address);\n\n    function swapRouter() external view returns (address);\n\n    function positionManager() external view returns (address);\n\n    function positionViewer() external view returns (address);\n\n    function protocolAdapter() external view returns (address);\n\n    function allowedUnderlyingTokens() external view returns (address[] memory);\n\n    function isUnderlyingTokenAllowed(address token) external view returns (bool);\n\n    function allowedTokens() external view returns (address[] memory);\n\n    function isTokenAllowed(address token) external view returns (bool);\n\n    function allowedProtocols() external view returns (address[] memory);\n\n    function isProtocolAllowed(address protocol) external view returns (bool);\n\n    function minManagementFee() external view returns (uint256);\n\n    function maxManagementFee() external view returns (uint256);\n\n    function minCarriedInterest() external view returns (uint256);\n\n    function maxCarriedInterest() external view returns (uint256);\n\n    function daoAddress() external view returns (address);\n\n    function daoProfit() external view returns (uint256);\n\n}\n"
    },
    "contracts/libraries/Errors.sol": {
      "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.14;\n\nlibrary Errors {\n    // Create/Close Account\n    string public constant InvalidInitiator = \"CA0\";\n    string public constant InvalidRecipient = \"CA1\";\n    string public constant InvalidGP = \"CA2\";\n    string public constant InvalidNameLength = \"CA3\";\n    string public constant InvalidManagementFee = \"CA4\";\n    string public constant InvalidCarriedInterest = \"CA5\";\n    string public constant InvalidUnderlyingToken = \"CA6\";\n    string public constant InvalidAllowedProtocols = \"CA7\";\n    string public constant InvalidAllowedTokens = \"CA8\";\n    string public constant InvalidRecipientMinAmount = \"CA9\";\n\n    // Others\n    string public constant NotManager = \"FM0\";\n    string public constant NotGP = \"FM1\";\n    string public constant NotLP = \"FM2\";\n    string public constant NotGPOrLP = \"FM3\";\n    string public constant NotEnoughBuyAmount = \"FM4\";\n    string public constant InvalidSellUnit = \"FM5\";\n    string public constant NotEnoughBalance = \"FM6\";\n    string public constant MissingAmount = \"FM7\";\n    string public constant InvalidFundCreateParams = \"FM8\";\n    string public constant InvalidName = \"FM9\";\n    string public constant NotAccountOwner = \"FM10\";\n    string public constant ContractCannotBeZeroAddress = \"FM11\";\n    string public constant ExceedMaximumPositions = \"FM12\";\n    string public constant NotAllowedToken = \"FM13\";\n    string public constant NotAllowedProtocol = \"FM14\";\n    string public constant FunctionCallIsNotAllowed = \"FM15\";\n    string public constant PathNotAllowed = \"FM16\";\n    string public constant ProtocolCannotBeZeroAddress = \"FM17\";\n    string public constant CallerIsNotManagerOwner = \"FM18\";\n    string public constant InvalidInitializeParams = \"FM19\";\n    string public constant InvalidUpdateParams = \"FM20\";\n    string public constant InvalidZeroAddress = \"FM21\";\n    string public constant NotAllowedAdapter = \"FM22\";\n}\n"
    },
    "contracts/interfaces/external/IWETH9.sol": {
      "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.14;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\ninterface IWETH9 is IERC20 {\n    function deposit() external payable;\n\n    function withdraw(uint256) external;\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\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 amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` 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 amount) 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 `amount` as the allowance of `spender` over the 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 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `from` to `to` using the\n     * allowance mechanism. `amount` 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(\n        address from,\n        address to,\n        uint256 amount\n    ) external returns (bool);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20Permit {\n    /**\n     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n     * given ``owner``'s signed approval.\n     *\n     * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n     * ordering also apply here.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `deadline` must be a timestamp in the future.\n     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n     * over the EIP712-formatted function arguments.\n     * - the signature must use ``owner``'s current nonce (see {nonces}).\n     *\n     * For more information on the signature format, see the\n     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n     * section].\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n\n    /**\n     * @dev Returns the current nonce for `owner`. This value must be\n     * included whenever a signature is generated for {permit}.\n     *\n     * Every successful call to {permit} increases ``owner``'s nonce by one. This\n     * prevents a signature from being used multiple times.\n     */\n    function nonces(address owner) external view returns (uint256);\n\n    /**\n     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
    },
    "@openzeppelin/contracts/utils/introspection/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\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[EIP 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"
    },
    "contracts/interfaces/fund/IPaymentGateway.sol": {
      "content": "// SPDX-License-Identifier: MIT\npragma solidity >=0.8.14;\n\ninterface IPaymentGateway {\n    function weth9() external view returns (address);\n}\n"
    }
  },
  "settings": {
    "viaIR": true,
    "optimizer": {
      "enabled": true,
      "runs": 100
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "libraries": {}
  }
}