{"file_path":"src/periphery/Accountant.sol","creation_status":"success","source_code":"// SPDX-License-Identifier: GNU AGPLv3\npragma solidity >=0.8.18;\n\nimport {IVault} from \"@yearn-vaults/interfaces/IVault.sol\";\nimport {Math} from \"@openzeppelin/contracts/utils/math/Math.sol\";\nimport {ERC20} from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport {SafeERC20} from \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\n\n/// @title Accountant.\n/// @notice A simplified accountant that (1) hardcodes performance fee to 100% and (2) only takes fee if there's no loss.\n/// @dev Will charge fees and run health check on any reported\n/// gains or losses during a strategy's report.\ncontract Accountant {\n\n using SafeERC20 for ERC20;\n\n /// @notice An event emitted when a vault is added or removed.\n event VaultChanged(address indexed vault, ChangeType change);\n\n /// @notice An event emitted when the default fee configuration is updated.\n event UpdateDefaultFeeConfig(Fee defaultFeeConfig);\n\n /// @notice An event emitted when the future fee manager is set.\n event SetFutureFeeManager(address indexed futureFeeManager);\n\n /// @notice An event emitted when a new fee manager is accepted.\n event NewFeeManager(address indexed feeManager);\n\n /// @notice An event emitted when a new vault manager is set.\n event UpdateVaultManager(address indexed newVaultManager);\n\n /// @notice An event emitted when the fee recipient is updated.\n event UpdateFeeRecipient(address indexed oldFeeRecipient, address indexed newFeeRecipient);\n\n /// @notice An event emitted when a custom fee configuration is updated.\n event UpdateCustomFeeConfig(address indexed vault, Fee custom_config);\n\n /// @notice An event emitted when a custom fee configuration is removed.\n event RemovedCustomFeeConfig(address indexed vault);\n\n /// @notice An event emitted when the `maxLoss` parameter is updated.\n event UpdateMaxLoss(uint256 maxLoss);\n\n /// @notice An event emitted when rewards are distributed.\n event DistributeRewards(address indexed token, uint256 rewards);\n\n /// @notice Enum defining change types (added or removed).\n enum ChangeType {\n NULL,\n ADDED,\n REMOVED\n }\n\n /// @notice Struct representing fee details.\n struct Fee {\n uint16 maxGain; // Max percent gain a strategy can report.\n uint16 maxLoss; // Max percent loss a strategy can report.\n bool custom; // Flag to set for custom configs.\n }\n\n modifier onlyFeeManager() {\n _checkFeeManager();\n _;\n }\n\n modifier onlyVaultOrFeeManager() {\n _checkVaultOrFeeManager();\n _;\n }\n\n modifier onlyFeeManagerOrRecipient() {\n _checkFeeManagerOrRecipient();\n _;\n }\n\n modifier onlyAddedVaults() {\n _checkVaultIsAdded();\n _;\n }\n\n function _checkFeeManager() internal view virtual {\n require(msg.sender == feeManager, \"!fee manager\");\n }\n\n function _checkVaultOrFeeManager() internal view virtual {\n require(msg.sender == feeManager || msg.sender == vaultManager, \"!vault manager\");\n }\n\n function _checkFeeManagerOrRecipient() internal view virtual {\n require(msg.sender == feeRecipient || msg.sender == feeManager, \"!recipient\");\n }\n\n function _checkVaultIsAdded() internal view virtual {\n require(vaults[msg.sender], \"vault not added\");\n }\n\n /// @notice Constant defining the maximum basis points.\n uint256 internal constant MAX_BPS = 10_000;\n\n /// @notice The amount of max loss to use when redeeming from vaults.\n uint256 public maxLoss;\n\n /// @notice The address of the fee manager.\n address public feeManager;\n\n /// @notice The address of the fee recipient.\n address public feeRecipient;\n\n /// @notice An address that can add or remove vaults.\n address public vaultManager;\n\n /// @notice The address of the future fee manager.\n address public futureFeeManager;\n\n /// @notice The default fee configuration.\n Fee public defaultConfig;\n\n /// @notice Mapping to track added vaults.\n mapping(address => bool) public vaults;\n\n /// @notice Mapping vault => custom Fee config if any.\n mapping(address => Fee) public customConfig;\n\n /// @notice Mapping vault => strategy => flag for one time healthcheck skips.\n mapping(address => mapping(address => bool)) skipHealthCheck;\n\n constructor(address _feeManager, address _feeRecipient, uint16 defaultMaxGain, uint16 defaultMaxLoss) {\n require(_feeManager != address(0), \"ZERO ADDRESS\");\n require(_feeRecipient != address(0), \"ZERO ADDRESS\");\n\n feeManager = _feeManager;\n feeRecipient = _feeRecipient;\n\n _updateDefaultConfig(defaultMaxGain, defaultMaxLoss);\n }\n\n /**\n * @notice Called by a vault when a `strategy` is reporting.\n * @dev The msg.sender must have been added to the `vaults` mapping.\n * @param strategy Address of the strategy reporting.\n * @param gain Amount of the gain if any.\n * @param loss Amount of the loss if any.\n * @return totalFees if any to charge.\n * @return totalRefunds if any for the vault to pull.\n */\n function report(\n address strategy,\n uint256 gain,\n uint256 loss\n ) public virtual onlyAddedVaults returns (uint256 totalFees, uint256 /* totalRefunds */ ) {\n // Declare the config to use as the custom.\n Fee memory fee = customConfig[msg.sender];\n\n // Check if there is a custom config to use.\n if (!fee.custom) {\n // Otherwise use the default.\n fee = defaultConfig;\n }\n\n // Retrieve the strategy's params from the vault.\n IVault vault = IVault(msg.sender);\n IVault.StrategyParams memory strategyParams = vault.strategies(strategy);\n\n // Only charge performance fees if there is a gain.\n if (gain > 0) {\n // If we are skipping the healthcheck this report\n if (skipHealthCheck[msg.sender][strategy]) {\n // Make sure it is reset for the next one.\n skipHealthCheck[msg.sender][strategy] = false;\n\n // Setting `maxGain` to 0 will disable the healthcheck on profits.\n } else if (fee.maxGain > 0) {\n require(gain <= (strategyParams.current_debt * (fee.maxGain)) / MAX_BPS, \"too much gain\");\n }\n\n // 100% performance fee\n totalFees = gain;\n\n // Only take fee if there's no loss.\n uint256 supply = vault.totalSupply();\n uint256 assets = vault.totalAssets();\n if (assets < supply) {\n uint256 needed = supply - assets;\n totalFees = gain < needed ? 0 : gain - needed;\n }\n } else {\n // If we are skipping the healthcheck this report\n if (skipHealthCheck[msg.sender][strategy]) {\n // Make sure it is reset for the next one.\n skipHealthCheck[msg.sender][strategy] = false;\n\n // Setting `maxLoss` to 10_000 will disable the healthcheck on losses.\n } else if (fee.maxLoss < MAX_BPS) {\n require(loss <= (strategyParams.current_debt * (fee.maxLoss)) / MAX_BPS, \"too much loss\");\n }\n }\n\n return (totalFees, 0);\n }\n\n /**\n * @notice Function to add a new vault for this accountant to charge fees for.\n * @dev This is not used to set any of the fees for the specific vault or strategy. Each fee will be set separately.\n * @param vault The address of a vault to allow to use this accountant.\n */\n function addVault(\n address vault\n ) external virtual onlyVaultOrFeeManager {\n // Ensure the vault has not already been added.\n require(!vaults[vault], \"already added\");\n\n vaults[vault] = true;\n\n emit VaultChanged(vault, ChangeType.ADDED);\n }\n\n /**\n * @notice Function to remove a vault from this accountant's fee charging list.\n * @param vault The address of the vault to be removed from this accountant.\n */\n function removeVault(\n address vault\n ) external virtual onlyVaultOrFeeManager {\n // Ensure the vault has been previously added.\n require(vaults[vault], \"not added\");\n\n address asset = IVault(vault).asset();\n // Remove any allowances left.\n if (ERC20(asset).allowance(address(this), vault) != 0) {\n // slither-disable-next-line reentrancy-no-eth\n ERC20(asset).safeApprove(vault, 0);\n }\n\n vaults[vault] = false;\n\n emit VaultChanged(vault, ChangeType.REMOVED);\n }\n\n /**\n * @notice Function to update the default fee configuration used for\n * all strategies that don't have a custom config set.\n * @param defaultMaxGain Default max percent gain a strategy can report.\n * @param defaultMaxLoss Default max percent loss a strategy can report.\n */\n function updateDefaultConfig(uint16 defaultMaxGain, uint16 defaultMaxLoss) external virtual onlyFeeManager {\n _updateDefaultConfig(defaultMaxGain, defaultMaxLoss);\n }\n\n /**\n * @dev Updates the Accountant's default fee config.\n * Is used during deployment and during any future updates.\n */\n function _updateDefaultConfig(uint16 defaultMaxGain, uint16 defaultMaxLoss) internal virtual {\n // Check for threshold and limit conditions.\n require(defaultMaxLoss <= MAX_BPS, \"too high\");\n\n // Update the default fee configuration.\n defaultConfig = Fee({maxGain: defaultMaxGain, maxLoss: defaultMaxLoss, custom: false});\n\n emit UpdateDefaultFeeConfig(defaultConfig);\n }\n\n /**\n * @notice Function to set a custom fee configuration for a specific vault.\n * @param vault The vault the strategy is hooked up to.\n * @param customMaxGain Custom max percent gain a strategy can report.\n * @param customMaxLoss Custom max percent loss a strategy can report.\n */\n function setCustomConfig(\n address vault,\n uint16 customMaxGain,\n uint16 customMaxLoss\n ) external virtual onlyFeeManager {\n // Ensure the vault has been added.\n require(vaults[vault], \"vault not added\");\n // Check for threshold and limit conditions.\n require(customMaxLoss <= MAX_BPS, \"too high\");\n\n // Create the vault's custom config.\n Fee memory _config = Fee({maxGain: customMaxGain, maxLoss: customMaxLoss, custom: true});\n\n // Store the config.\n customConfig[vault] = _config;\n\n emit UpdateCustomFeeConfig(vault, _config);\n }\n\n /**\n * @notice Function to remove a previously set custom fee configuration for a vault.\n * @param vault The vault to remove custom setting for.\n */\n function removeCustomConfig(\n address vault\n ) external virtual onlyFeeManager {\n // Ensure custom fees are set for the specified vault.\n require(customConfig[vault].custom, \"No custom fees set\");\n\n // Set all the vaults's custom fees to 0.\n delete customConfig[vault];\n\n // Emit relevant event.\n emit RemovedCustomFeeConfig(vault);\n }\n\n /**\n * @notice Turn off the health check for a specific `vault` `strategy` combo.\n * @dev This will only last for one report and get automatically turned back on.\n * @param vault Address of the vault.\n * @param strategy Address of the strategy.\n */\n function turnOffHealthCheck(address vault, address strategy) external virtual onlyFeeManager {\n // Ensure the vault has been added.\n require(vaults[vault], \"vault not added\");\n\n skipHealthCheck[vault][strategy] = true;\n }\n\n /**\n * @notice Public getter to check for custom setting.\n * @dev We use uint256 for the flag since its cheaper so this\n * will convert it to a bool for easy view functions.\n *\n * @param vault Address of the vault.\n * @return If a custom fee config is set.\n */\n function useCustomConfig(\n address vault\n ) external view virtual returns (bool) {\n return customConfig[vault].custom;\n }\n\n /**\n * @notice Get the full config used for a specific `vault`.\n * @param vault Address of the vault.\n * @return fee The config that would be used during the report.\n */\n function getVaultConfig(\n address vault\n ) external view returns (Fee memory fee) {\n fee = customConfig[vault];\n\n // Check if there is a custom config to use.\n if (!fee.custom) {\n // Otherwise use the default.\n fee = defaultConfig;\n }\n }\n\n /**\n * @notice Sets the `maxLoss` parameter to be used on redeems.\n * @param _maxLoss The amount in basis points to set as the maximum loss.\n */\n function setMaxLoss(\n uint256 _maxLoss\n ) external virtual onlyFeeManager {\n // Ensure that the provided `maxLoss` does not exceed 100% (in basis points).\n require(_maxLoss <= MAX_BPS, \"higher than 100%\");\n\n maxLoss = _maxLoss;\n\n // Emit an event to signal the update of the `maxLoss` parameter.\n emit UpdateMaxLoss(_maxLoss);\n }\n\n /**\n * @notice Function to distribute all accumulated fees to the designated recipient.\n * @param token The token to distribute.\n */\n function distribute(\n address token\n ) external virtual {\n distribute(token, ERC20(token).balanceOf(address(this)));\n }\n\n /**\n * @notice Function to distribute accumulated fees to the designated recipient.\n * @param token The token to distribute.\n * @param amount amount of token to distribute.\n */\n function distribute(address token, uint256 amount) public virtual onlyFeeManagerOrRecipient {\n ERC20(token).safeTransfer(feeRecipient, amount);\n\n emit DistributeRewards(token, amount);\n }\n\n /**\n * @notice Function to set a future fee manager address.\n * @param _futureFeeManager The address to set as the future fee manager.\n */\n function setFutureFeeManager(\n address _futureFeeManager\n ) external virtual onlyFeeManager {\n // Ensure the futureFeeManager is not a zero address.\n require(_futureFeeManager != address(0), \"ZERO ADDRESS\");\n futureFeeManager = _futureFeeManager;\n\n emit SetFutureFeeManager(_futureFeeManager);\n }\n\n /**\n * @notice Function to accept the role change and become the new fee manager.\n * @dev This function allows the future fee manager to accept the role change and become the new fee manager.\n */\n function acceptFeeManager() external virtual {\n // Make sure the sender is the future fee manager.\n require(msg.sender == futureFeeManager, \"not future fee manager\");\n feeManager = futureFeeManager;\n futureFeeManager = address(0);\n\n emit NewFeeManager(msg.sender);\n }\n\n /**\n * @notice Function to set a new vault manager.\n * @param newVaultManager Address to add or remove vaults.\n */\n function setVaultManager(\n address newVaultManager\n ) external virtual onlyFeeManager {\n vaultManager = newVaultManager;\n\n emit UpdateVaultManager(newVaultManager);\n }\n\n /**\n * @notice Function to set a new address to receive distributed rewards.\n * @param newFeeRecipient Address to receive distributed fees.\n */\n function setFeeRecipient(\n address newFeeRecipient\n ) external virtual onlyFeeManager {\n // Ensure the newFeeRecipient is not a zero address.\n require(newFeeRecipient != address(0), \"ZERO ADDRESS\");\n address oldRecipient = feeRecipient;\n feeRecipient = newFeeRecipient;\n\n emit UpdateFeeRecipient(oldRecipient, newFeeRecipient);\n 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SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC4626.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../token/ERC20/IERC20.sol\";\nimport \"../token/ERC20/extensions/IERC20Metadata.sol\";\n\n/**\n * @dev Interface of the ERC4626 \"Tokenized Vault Standard\", as defined in\n * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].\n *\n * _Available since v4.7._\n */\ninterface IERC4626 is IERC20, IERC20Metadata {\n\n event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);\n\n event Withdraw(\n address indexed sender, address indexed receiver, address indexed owner, uint256 assets, uint256 shares\n );\n\n /**\n * @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.\n *\n * - MUST be an ERC-20 token contract.\n * - MUST NOT revert.\n */\n function asset() external view returns (address assetTokenAddress);\n\n /**\n * @dev Returns the total amount of the underlying asset that is “managed” by Vault.\n *\n * - SHOULD include any compounding that occurs from yield.\n * - MUST be inclusive of any fees that are charged against assets in the Vault.\n * - MUST NOT revert.\n */\n function totalAssets() external view returns (uint256 totalManagedAssets);\n\n /**\n * @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal\n * scenario where all the conditions are met.\n *\n * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.\n * - MUST NOT show any variations depending on the caller.\n * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.\n * - MUST NOT revert.\n *\n * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the\n * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and\n * from.\n */\n function convertToShares(\n uint256 assets\n ) external view returns (uint256 shares);\n\n /**\n * @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal\n * scenario where all the conditions are met.\n *\n * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.\n * - MUST NOT show any variations depending on the caller.\n * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.\n * - MUST NOT revert.\n *\n * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the\n * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and\n * from.\n */\n function convertToAssets(\n uint256 shares\n ) external view returns (uint256 assets);\n\n /**\n * @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,\n * through a deposit call.\n *\n * - MUST return a limited value if receiver is subject to some deposit limit.\n * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.\n * - MUST NOT revert.\n */\n function maxDeposit(\n address receiver\n ) external view returns (uint256 maxAssets);\n\n /**\n * @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given\n * current on-chain conditions.\n *\n * - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit\n * call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called\n * in the same transaction.\n * - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the\n * deposit would be accepted, regardless if the user has enough tokens approved, etc.\n * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.\n * - MUST NOT revert.\n *\n * NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in\n * share price or some other type of condition, meaning the depositor will lose assets by depositing.\n */\n function previewDeposit(\n uint256 assets\n ) external view returns (uint256 shares);\n\n /**\n * @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.\n *\n * - MUST emit the Deposit event.\n * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the\n * deposit execution, and are accounted for during deposit.\n * - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not\n * approving enough underlying tokens to the Vault contract, etc).\n *\n * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.\n */\n function deposit(uint256 assets, address receiver) external returns (uint256 shares);\n\n /**\n * @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.\n * - MUST return a limited value if receiver is subject to some mint limit.\n * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.\n * - MUST NOT revert.\n */\n function maxMint(\n address receiver\n ) external view returns (uint256 maxShares);\n\n /**\n * @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given\n * current on-chain conditions.\n *\n * - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call\n * in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the\n * same transaction.\n * - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint\n * would be accepted, regardless if the user has enough tokens approved, etc.\n * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.\n * - MUST NOT revert.\n *\n * NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in\n * share price or some other type of condition, meaning the depositor will lose assets by minting.\n */\n function previewMint(\n uint256 shares\n ) external view returns (uint256 assets);\n\n /**\n * @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.\n *\n * - MUST emit the Deposit event.\n * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint\n * execution, and are accounted for during mint.\n * - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not\n * approving enough underlying tokens to the Vault contract, etc).\n *\n * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.\n */\n function mint(uint256 shares, address receiver) external returns (uint256 assets);\n\n /**\n * @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the\n * Vault, through a withdraw call.\n *\n * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.\n * - MUST NOT revert.\n */\n function maxWithdraw(\n address owner\n ) external view returns (uint256 maxAssets);\n\n /**\n * @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,\n * given current on-chain conditions.\n *\n * - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw\n * call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if\n * called\n * in the same transaction.\n * - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though\n * the withdrawal would be accepted, regardless if the user has enough shares, etc.\n * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.\n * - MUST NOT revert.\n *\n * NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in\n * share price or some other type of condition, meaning the depositor will lose assets by depositing.\n */\n function previewWithdraw(\n uint256 assets\n ) external view returns (uint256 shares);\n\n /**\n * @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.\n *\n * - MUST emit the Withdraw event.\n * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the\n * withdraw execution, and are accounted for during withdraw.\n * - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner\n * not having enough shares, etc).\n *\n * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.\n * Those methods should be performed separately.\n */\n function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);\n\n /**\n * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,\n * through a redeem call.\n *\n * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.\n * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.\n * - MUST NOT revert.\n */\n function maxRedeem(\n address owner\n ) external view returns (uint256 maxShares);\n\n /**\n * @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,\n * given current on-chain conditions.\n *\n * - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call\n * in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the\n * same transaction.\n * - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the\n * redemption would be accepted, regardless if the user has enough shares, etc.\n * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.\n * - MUST NOT revert.\n *\n * NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in\n * share price or some other type of condition, meaning the depositor will lose assets by redeeming.\n */\n function previewRedeem(\n uint256 shares\n ) external view returns (uint256 assets);\n\n /**\n * @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.\n *\n * - MUST emit the Withdraw event.\n * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the\n * redeem execution, and are accounted for during redeem.\n * - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner\n * not having enough shares, etc).\n *\n * NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.\n * Those methods should be performed separately.\n */\n function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);\n\n}\n"},{"file_path":"lib/openzeppelin-contracts/contracts/token/ERC20/ERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /**\n * @dev Sets the values for {name} and {symbol}.\n *\n * All two of these values are immutable: they can only be set once during\n * construction.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev Returns the name of the token.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n *\n * Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n *\n * NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n */\n function decimals() public view virtual override returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(\n address account\n ) public view virtual override returns (uint256) {\n return _balances[account];\n }\n\n /**\n * @dev See {IERC20-transfer}.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - the caller must have a balance of at least `amount`.\n */\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-transferFrom}.\n *\n * Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n *\n * NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n *\n * Requirements:\n *\n * - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n */\n function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /**\n * @dev Atomically increases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /**\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /**\n * @dev Moves `amount` of tokens from `from` to `to`.\n *\n * This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n *\n * Emits a {Transfer} event.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n */\n function _transfer(address from, address to, uint256 amount) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by\n // decrementing then incrementing.\n _balances[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /**\n * @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n unchecked {\n // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.\n _balances[account] += amount;\n }\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /**\n * @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n */\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n // Overflow not possible: amount <= accountBalance <= totalSupply.\n _totalSupply -= amount;\n }\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n *\n * This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n */\n function _approve(address owner, address spender, uint256 amount) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /**\n * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n *\n * Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Might emit an {Approval} event.\n */\n function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /**\n * @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n\n}\n"},{"file_path":"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (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 /**\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(\n address account\n ) 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(address from, address to, uint256 amount) external returns (bool);\n\n}\n"},{"file_path":"lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Metadata.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n\n}\n"},{"file_path":"lib/openzeppelin-contracts/contracts/token/ERC20/extensions/IERC20Permit.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/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 *\n * ==== Security Considerations\n *\n * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature\n * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be\n * considered as an intention to spend the allowance in any specific way. The second is that because permits have\n * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should\n * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be\n * generally recommended is:\n *\n * ```solidity\n * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {\n * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}\n * doThing(..., value);\n * }\n *\n * function doThing(..., uint256 value) public {\n * token.safeTransferFrom(msg.sender, address(this), value);\n * ...\n * }\n * ```\n *\n * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of\n * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also\n * {SafeERC20-safeTransferFrom}).\n *\n * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so\n * contracts should have entry points that don't rely on permit.\n */\ninterface IERC20Permit {\n\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 * CAUTION: See Security Considerations above.\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(\n address owner\n ) 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}\n"},{"file_path":"lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/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\n using Address for address;\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 _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\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 _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(IERC20 token, address spender, uint256 value) 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 /**\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 function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n uint256 oldAllowance = token.allowance(address(this), spender);\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));\n }\n\n /**\n * @dev Decrease 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 function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n unchecked {\n uint256 oldAllowance = token.allowance(address(this), spender);\n require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));\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 function forceApprove(IERC20 token, address spender, uint256 value) internal {\n bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);\n\n if (!_callOptionalReturnBool(token, approvalCall)) {\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));\n _callOptionalReturn(token, approvalCall);\n }\n }\n\n /**\n * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.\n * Revert on invalid signature.\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 require(returndata.length == 0 || abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation 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 * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.\n */\n function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {\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 cannot use {Address-functionCall} here since this should return false\n // and not revert is the subcall reverts.\n\n (bool success, bytes memory returndata) = address(token).call(data);\n return\n success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));\n }\n\n}\n"},{"file_path":"lib/openzeppelin-contracts/contracts/utils/Address.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (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 /**\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 * Furthermore, `isContract` will also return true if the target contract within\n * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,\n * which only has an effect at the end of a transaction.\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(\n address account\n ) 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://consensys.net/diligence/blog/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/v0.8.0/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 functionCallWithValue(target, data, 0, \"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(address target, bytes memory data, uint256 value) 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 (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResultFromTarget(target, 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 (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResultFromTarget(target, 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 (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n *\n * _Available since v4.8._\n */\n function verifyCallResultFromTarget(\n address target,\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n if (success) {\n if (returndata.length == 0) {\n // only check isContract if the call was successful and the return data is empty\n // otherwise we already know that it was a contract\n require(isContract(target), \"Address: call to non-contract\");\n }\n return returndata;\n } else {\n _revert(returndata, errorMessage);\n }\n }\n\n /**\n * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason or 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) return returndata;\n else _revert(returndata, errorMessage);\n }\n\n function _revert(bytes memory returndata, string memory errorMessage) private pure {\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"},{"file_path":"lib/openzeppelin-contracts/contracts/utils/Context.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n\n}\n"},{"file_path":"lib/openzeppelin-contracts/contracts/utils/math/Math.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n\n enum Rounding {\n Down, // Toward negative infinity\n Up, // Toward infinity\n Zero // Toward zero\n\n }\n\n /**\n * @dev Returns the largest of two numbers.\n */\n function max(uint256 a, uint256 b) internal pure returns (uint256) {\n return a > b ? a : b;\n }\n\n /**\n * @dev Returns the smallest of two numbers.\n */\n function min(uint256 a, uint256 b) internal pure returns (uint256) {\n return a < b ? a : b;\n }\n\n /**\n * @dev Returns the average of two numbers. The result is rounded towards\n * zero.\n */\n function average(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b) / 2 can overflow.\n return (a & b) + (a ^ b) / 2;\n }\n\n /**\n * @dev Returns the ceiling of the division of two numbers.\n *\n * This differs from standard division with `/` in that it rounds up instead\n * of rounding down.\n */\n function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n // (a + b - 1) / b can overflow on addition, so we distribute.\n return a == 0 ? 0 : (a - 1) / b + 1;\n }\n\n /**\n * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)\n * with further edits by Uniswap Labs also under MIT license.\n */\n function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n unchecked {\n // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = prod1 * 2^256 + prod0.\n uint256 prod0; // Least significant 256 bits of the product\n uint256 prod1; // Most significant 256 bits of the product\n assembly {\n let mm := mulmod(x, y, not(0))\n prod0 := mul(x, y)\n prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n }\n\n // Handle non-overflow cases, 256 by 256 division.\n if (prod1 == 0) {\n // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n // The surrounding unchecked block does not change this fact.\n // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n return prod0 / denominator;\n }\n\n // Make sure the result is less than 2^256. Also prevents denominator == 0.\n require(denominator > prod1, \"Math: mulDiv overflow\");\n\n ///////////////////////////////////////////////\n // 512 by 256 division.\n ///////////////////////////////////////////////\n\n // Make division exact by subtracting the remainder from [prod1 prod0].\n uint256 remainder;\n assembly {\n // Compute remainder using mulmod.\n remainder := mulmod(x, y, denominator)\n\n // Subtract 256 bit number from 512 bit number.\n prod1 := sub(prod1, gt(remainder, prod0))\n prod0 := sub(prod0, remainder)\n }\n\n // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.\n // See https://cs.stackexchange.com/q/138556/92363.\n\n // Does not overflow because the denominator cannot be zero at this stage in the function.\n uint256 twos = denominator & (~denominator + 1);\n assembly {\n // Divide denominator by twos.\n denominator := div(denominator, twos)\n\n // Divide [prod1 prod0] by twos.\n prod0 := div(prod0, twos)\n\n // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n twos := add(div(sub(0, twos), twos), 1)\n }\n\n // Shift in bits from prod1 into prod0.\n prod0 |= prod1 * twos;\n\n // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n // four bits. That is, denominator * inv = 1 mod 2^4.\n uint256 inverse = (3 * denominator) ^ 2;\n\n // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works\n // in modular arithmetic, doubling the correct bits in each step.\n inverse *= 2 - denominator * inverse; // inverse mod 2^8\n inverse *= 2 - denominator * inverse; // inverse mod 2^16\n inverse *= 2 - denominator * inverse; // inverse mod 2^32\n inverse *= 2 - denominator * inverse; // inverse mod 2^64\n inverse *= 2 - denominator * inverse; // inverse mod 2^128\n inverse *= 2 - denominator * inverse; // inverse mod 2^256\n\n // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n // is no longer required.\n result = prod0 * inverse;\n return result;\n }\n }\n\n /**\n * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n */\n function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n uint256 result = mulDiv(x, y, denominator);\n if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) result += 1;\n return result;\n }\n\n /**\n * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.\n *\n * Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n */\n function sqrt(\n uint256 a\n ) internal pure returns (uint256) {\n if (a == 0) return 0;\n\n // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n //\n // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.\n //\n // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`\n // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`\n // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`\n //\n // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n uint256 result = 1 << (log2(a) >> 1);\n\n // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n // into the expected uint128 result.\n unchecked {\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n result = (result + a / result) >> 1;\n return min(result, a / result);\n }\n }\n\n /**\n * @notice Calculates sqrt(a), following the selected rounding direction.\n */\n function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = sqrt(a);\n return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 2, rounded down, of a positive value.\n * Returns 0 if given 0.\n */\n function log2(\n uint256 value\n ) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 128;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 64;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 32;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 16;\n }\n if (value >> 8 > 0) {\n value >>= 8;\n result += 8;\n }\n if (value >> 4 > 0) {\n value >>= 4;\n result += 4;\n }\n if (value >> 2 > 0) {\n value >>= 2;\n result += 2;\n }\n if (value >> 1 > 0) result += 1;\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log2(value);\n return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 10, rounded down, of a positive value.\n * Returns 0 if given 0.\n */\n function log10(\n uint256 value\n ) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >= 10 ** 64) {\n value /= 10 ** 64;\n result += 64;\n }\n if (value >= 10 ** 32) {\n value /= 10 ** 32;\n result += 32;\n }\n if (value >= 10 ** 16) {\n value /= 10 ** 16;\n result += 16;\n }\n if (value >= 10 ** 8) {\n value /= 10 ** 8;\n result += 8;\n }\n if (value >= 10 ** 4) {\n value /= 10 ** 4;\n result += 4;\n }\n if (value >= 10 ** 2) {\n value /= 10 ** 2;\n result += 2;\n }\n if (value >= 10 ** 1) result += 1;\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log10(value);\n return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);\n }\n }\n\n /**\n * @dev Return the log in base 256, rounded down, of a positive value.\n * Returns 0 if given 0.\n *\n * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n */\n function log256(\n uint256 value\n ) internal pure returns (uint256) {\n uint256 result = 0;\n unchecked {\n if (value >> 128 > 0) {\n value >>= 128;\n result += 16;\n }\n if (value >> 64 > 0) {\n value >>= 64;\n result += 8;\n }\n if (value >> 32 > 0) {\n value >>= 32;\n result += 4;\n }\n if (value >> 16 > 0) {\n value >>= 16;\n result += 2;\n }\n if (value >> 8 > 0) result += 1;\n }\n return result;\n }\n\n /**\n * @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n * Returns 0 if given 0.\n */\n function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n unchecked {\n uint256 result = log256(value);\n return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);\n }\n }\n\n}\n"},{"file_path":"lib/yearn-vaults-v3/contracts/interfaces/IVault.sol","source_code":"// SPDX-License-Identifier: GPL-3.0\npragma solidity >=0.8.18;\n\nimport {IERC4626} from \"@openzeppelin/contracts/interfaces/IERC4626.sol\";\n\ninterface IVault is IERC4626 {\n\n // STRATEGY EVENTS\n event StrategyChanged(address indexed strategy, uint256 change_type);\n event StrategyReported(\n address indexed strategy,\n uint256 gain,\n uint256 loss,\n uint256 current_debt,\n uint256 protocol_fees,\n uint256 total_fees,\n uint256 total_refunds\n );\n // DEBT MANAGEMENT EVENTS\n event DebtUpdated(address indexed strategy, uint256 current_debt, uint256 new_debt);\n // ROLE UPDATES\n event RoleSet(address indexed account, uint256 role);\n event UpdateFutureRoleManager(address indexed future_role_manager);\n event UpdateRoleManager(address indexed role_manager);\n\n event UpdateAccountant(address indexed accountant);\n event UpdateDefaultQueue(address[] new_default_queue);\n event UpdateUseDefaultQueue(bool use_default_queue);\n event UpdatedMaxDebtForStrategy(address indexed sender, address indexed strategy, uint256 new_debt);\n event UpdateAutoAllocate(bool auto_allocate);\n event UpdateDepositLimit(uint256 deposit_limit);\n event UpdateMinimumTotalIdle(uint256 minimum_total_idle);\n event UpdateProfitMaxUnlockTime(uint256 profit_max_unlock_time);\n event DebtPurchased(address indexed strategy, uint256 amount);\n event Shutdown();\n\n struct StrategyParams {\n uint256 activation;\n uint256 last_report;\n uint256 current_debt;\n uint256 max_debt;\n }\n\n function FACTORY() external view returns (uint256);\n\n function strategies(\n address\n ) external view returns (StrategyParams memory);\n\n function default_queue(\n uint256\n ) external view returns (address);\n\n function use_default_queue() external view returns (bool);\n\n function auto_allocate() external view returns (bool);\n\n function minimum_total_idle() external view returns (uint256);\n\n function deposit_limit() external view returns (uint256);\n\n function deposit_limit_module() external view returns (address);\n\n function withdraw_limit_module() external view returns (address);\n\n function accountant() external view returns (address);\n\n function roles(\n address\n ) external view returns (uint256);\n\n function role_manager() external view returns (address);\n\n function future_role_manager() external view returns (address);\n\n function isShutdown() external view returns (bool);\n\n function nonces(\n address\n ) external view returns (uint256);\n\n function initialize(address, string memory, string memory, address, uint256) external;\n\n function setName(\n string memory\n ) external;\n\n function setSymbol(\n string memory\n ) external;\n\n function set_accountant(\n address new_accountant\n ) external;\n\n function set_default_queue(\n address[] memory new_default_queue\n ) external;\n\n function set_use_default_queue(\n bool\n ) external;\n\n function set_auto_allocate(\n bool\n ) external;\n\n function set_deposit_limit(\n uint256 deposit_limit\n ) external;\n\n function set_deposit_limit(uint256 deposit_limit, bool should_override) external;\n\n function set_deposit_limit_module(\n address new_deposit_limit_module\n ) external;\n\n function set_deposit_limit_module(address new_deposit_limit_module, bool should_override) external;\n\n function set_withdraw_limit_module(\n address new_withdraw_limit_module\n ) external;\n\n function set_minimum_total_idle(\n uint256 minimum_total_idle\n ) external;\n\n function setProfitMaxUnlockTime(\n uint256 new_profit_max_unlock_time\n ) external;\n\n function set_role(address account, uint256 role) external;\n\n function add_role(address account, uint256 role) external;\n\n function remove_role(address account, uint256 role) external;\n\n function transfer_role_manager(\n address role_manager\n ) external;\n\n function accept_role_manager() external;\n\n function unlockedShares() external view returns (uint256);\n\n function pricePerShare() external view returns (uint256);\n\n function get_default_queue() external view returns (address[] memory);\n\n function process_report(\n address strategy\n ) external returns (uint256, uint256);\n\n function buy_debt(address strategy, uint256 amount) external;\n\n function add_strategy(\n address new_strategy\n ) external;\n\n function revoke_strategy(\n address strategy\n ) external;\n\n function force_revoke_strategy(\n address strategy\n ) external;\n\n function update_max_debt_for_strategy(address strategy, uint256 new_max_debt) external;\n\n function update_debt(address strategy, uint256 target_debt) external returns (uint256);\n\n function update_debt(address strategy, uint256 target_debt, uint256 max_loss) external returns (uint256);\n\n function shutdown_vault() external;\n\n function totalIdle() external view returns (uint256);\n\n function totalDebt() external view returns (uint256);\n\n function apiVersion() external view returns (string memory);\n\n function assess_share_of_unrealised_losses(\n address strategy,\n uint256 assets_needed\n ) external view returns (uint256);\n\n function profitMaxUnlockTime() external view returns (uint256);\n\n function fullProfitUnlockDate() external view returns (uint256);\n\n function profitUnlockingRate() external view returns (uint256);\n\n function lastProfitUpdate() external view returns (uint256);\n\n //// NON-STANDARD ERC-4626 FUNCTIONS \\\\\\\\\n\n function withdraw(uint256 assets, address receiver, address owner, uint256 max_loss) external returns (uint256);\n\n function withdraw(\n uint256 assets,\n address receiver,\n address owner,\n uint256 max_loss,\n address[] memory strategies\n ) external returns (uint256);\n\n function redeem(uint256 shares, address receiver, address owner, uint256 max_loss) external returns (uint256);\n\n function redeem(\n uint256 shares,\n address receiver,\n address owner,\n uint256 max_loss,\n address[] memory strategies\n ) external returns (uint256);\n\n function maxWithdraw(address owner, uint256 max_loss) external view returns (uint256);\n\n function maxWithdraw(\n address owner,\n uint256 max_loss,\n address[] memory strategies\n ) external view returns (uint256);\n\n function maxRedeem(address owner, uint256 max_loss) external view returns (uint256);\n\n function maxRedeem(address owner, uint256 max_loss, address[] memory strategies) external view returns (uint256);\n\n //// NON-STANDARD ERC-20 FUNCTIONS \\\\\\\\\n\n function DOMAIN_SEPARATOR() external view returns (bytes32);\n\n function permit(\n address owner,\n address spender,\n uint256 amount,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) external returns (bool);\n\n}\n"}],"certified":false,"conflicting_implementations":null,"abi":[{"inputs":[{"internalType":"address","name":"_feeManager","type":"address"},{"internalType":"address","name":"_feeRecipient","type":"address"},{"internalType":"uint16","name":"defaultMaxGain","type":"uint16"},{"internalType":"uint16","name":"defaultMaxLoss","type":"uint16"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"rewards","type":"uint256"}],"name":"DistributeRewards","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"feeManager","type":"address"}],"name":"NewFeeManager","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"vault","type":"address"}],"name":"RemovedCustomFeeConfig","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"futureFeeManager","type":"address"}],"name":"SetFutureFeeManager","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"vault","type":"address"},{"components":[{"internalType":"uint16","name":"maxGain","type":"uint16"},{"internalType":"uint16","name":"maxLoss","type":"uint16"},{"internalType":"bool","name":"custom","type":"bool"}],"indexed":false,"internalType":"struct Accountant.Fee","name":"custom_config","type":"tuple"}],"name":"UpdateCustomFeeConfig","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"uint16","name":"maxGain","type":"uint16"},{"internalType":"uint16","name":"maxLoss","type":"uint16"},{"internalType":"bool","name":"custom","type":"bool"}],"indexed":false,"internalType":"struct Accountant.Fee","name":"defaultFeeConfig","type":"tuple"}],"name":"UpdateDefaultFeeConfig","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldFeeRecipient","type":"address"},{"indexed":true,"internalType":"address","name":"newFeeRecipient","type":"address"}],"name":"UpdateFeeRecipient","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"maxLoss","type":"uint256"}],"name":"UpdateMaxLoss","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newVaultManager","type":"address"}],"name":"UpdateVaultManager","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"vault","type":"address"},{"indexed":false,"internalType":"enum Accountant.ChangeType","name":"change","type":"uint8"}],"name":"VaultChanged","type":"event"},{"inputs":[],"name":"acceptFeeManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"addVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"customConfig","outputs":[{"internalType":"uint16","name":"maxGain","type":"uint16"},{"internalType":"uint16","name":"maxLoss","type":"uint16"},{"internalType":"bool","name":"custom","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultConfig","outputs":[{"internalType":"uint16","name":"maxGain","type":"uint16"},{"internalType":"uint16","name":"maxLoss","type":"uint16"},{"internalType":"bool","name":"custom","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"distribute","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"distribute","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeRecipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"futureFeeManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"getVaultConfig","outputs":[{"components":[{"internalType":"uint16","name":"maxGain","type":"uint16"},{"internalType":"uint16","name":"maxLoss","type":"uint16"},{"internalType":"bool","name":"custom","type":"bool"}],"internalType":"struct Accountant.Fee","name":"fee","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxLoss","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"removeCustomConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"removeVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"strategy","type":"address"},{"internalType":"uint256","name":"gain","type":"uint256"},{"internalType":"uint256","name":"loss","type":"uint256"}],"name":"report","outputs":[{"internalType":"uint256","name":"totalFees","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"uint16","name":"customMaxGain","type":"uint16"},{"internalType":"uint16","name":"customMaxLoss","type":"uint16"}],"name":"setCustomConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newFeeRecipient","type":"address"}],"name":"setFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_futureFeeManager","type":"address"}],"name":"setFutureFeeManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxLoss","type":"uint256"}],"name":"setMaxLoss","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newVaultManager","type":"address"}],"name":"setVaultManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"},{"internalType":"address","name":"strategy","type":"address"}],"name":"turnOffHealthCheck","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"defaultMaxGain","type":"uint16"},{"internalType":"uint16","name":"defaultMaxLoss","type":"uint16"}],"name":"updateDefaultConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"useCustomConfig","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vaultManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"vaults","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}],"is_changed_bytecode":false,"is_partially_verified":false,"constructor_args":"0x000000000000000000000000285e3b1e82f74a99d07d2ad25e159e75382bb43b000000000000000000000000285e3b1e82f74a99d07d2ad25e159e75382bb43b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002710"}