{
  "language": "Solidity",
  "sources": {
    "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol": {
      "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.0;\n\ninterface AggregatorV3Interface {\n  function decimals() external view returns (uint8);\n\n  function description() external view returns (string memory);\n\n  function version() external view returns (uint256);\n\n  function getRoundData(uint80 _roundId)\n    external\n    view\n    returns (\n      uint80 roundId,\n      int256 answer,\n      uint256 startedAt,\n      uint256 updatedAt,\n      uint80 answeredInRound\n    );\n\n  function latestRoundData()\n    external\n    view\n    returns (\n      uint80 roundId,\n      int256 answer,\n      uint256 startedAt,\n      uint256 updatedAt,\n      uint80 answeredInRound\n    );\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./OwnableUpgradeable.sol\";\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module which provides access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership} and {acceptOwnership}.\n *\n * This module is used through inheritance. It will make available all functions\n * from parent (Ownable).\n */\nabstract contract Ownable2StepUpgradeable is Initializable, OwnableUpgradeable {\n    address private _pendingOwner;\n\n    event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);\n\n    function __Ownable2Step_init() internal onlyInitializing {\n        __Ownable_init_unchained();\n    }\n\n    function __Ownable2Step_init_unchained() internal onlyInitializing {\n    }\n    /**\n     * @dev Returns the address of the pending owner.\n     */\n    function pendingOwner() public view virtual returns (address) {\n        return _pendingOwner;\n    }\n\n    /**\n     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual override onlyOwner {\n        _pendingOwner = newOwner;\n        emit OwnershipTransferStarted(owner(), newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual override {\n        delete _pendingOwner;\n        super._transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev The new owner accepts the ownership transfer.\n     */\n    function acceptOwnership() public virtual {\n        address sender = _msgSender();\n        require(pendingOwner() == sender, \"Ownable2Step: caller is not the new owner\");\n        _transferOwnership(sender);\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[49] private __gap;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/ContextUpgradeable.sol\";\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    function __Ownable_init() internal onlyInitializing {\n        __Ownable_init_unchained();\n    }\n\n    function __Ownable_init_unchained() internal onlyInitializing {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby disabling any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[49] private __gap;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../../utils/AddressUpgradeable.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 * ```solidity\n * contract MyToken is ERC20Upgradeable {\n *     function initialize() initializer public {\n *         __ERC20_init(\"MyToken\", \"MTK\");\n *     }\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.\n     *\n     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a\n     * constructor.\n     *\n     * Emits an {Initialized} event.\n     */\n    modifier initializer() {\n        bool isTopLevelCall = !_initializing;\n        require(\n            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.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     * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n     * are added through upgrades and that require initialization.\n     *\n     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n     * cannot be nested. If one is invoked in the context of another, execution will revert.\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     * WARNING: setting the version to 255 will prevent any future reinitialization.\n     *\n     * Emits an {Initialized} event.\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     * Emits an {Initialized} event the first time it is successfully executed.\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    /**\n     * @dev Returns the highest version that has been initialized. See {reinitializer}.\n     */\n    function _getInitializedVersion() internal view returns (uint8) {\n        return _initialized;\n    }\n\n    /**\n     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n     */\n    function _isInitializing() internal view returns (bool) {\n        return _initializing;\n    }\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuardUpgradeable is Initializable {\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\n    uint256 private constant _NOT_ENTERED = 1;\n    uint256 private constant _ENTERED = 2;\n\n    uint256 private _status;\n\n    function __ReentrancyGuard_init() internal onlyInitializing {\n        __ReentrancyGuard_init_unchained();\n    }\n\n    function __ReentrancyGuard_init_unchained() internal onlyInitializing {\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        _nonReentrantBefore();\n        _;\n        _nonReentrantAfter();\n    }\n\n    function _nonReentrantBefore() private {\n        // On the first call to nonReentrant, _status will be _NOT_ENTERED\n        require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n        // Any calls to nonReentrant after this point will fail\n        _status = _ENTERED;\n    }\n\n    function _nonReentrantAfter() private {\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n     * `nonReentrant` function in the call stack.\n     */\n    function _reentrancyGuardEntered() internal view returns (bool) {\n        return _status == _ENTERED;\n    }\n\n    /**\n     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[49] private __gap;\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20PermitUpgradeable.sol": {
      "content": "// 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 IERC20PermitUpgradeable {\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(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-upgradeable/token/ERC20/IERC20Upgradeable.sol": {
      "content": "// 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 IERC20Upgradeable {\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(address from, address to, uint256 amount) external returns (bool);\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol": {
      "content": "// 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 \"../IERC20Upgradeable.sol\";\nimport \"../extensions/IERC20PermitUpgradeable.sol\";\nimport \"../../../utils/AddressUpgradeable.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 SafeERC20Upgradeable {\n    using AddressUpgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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        IERC20PermitUpgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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))) && AddressUpgradeable.isContract(address(token));\n    }\n}\n"
    },
    "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol": {
      "content": "// 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 AddressUpgradeable {\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(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://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) {\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\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"
    },
    "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)\n\npragma solidity ^0.8.0;\nimport {Initializable} from \"../proxy/utils/Initializable.sol\";\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 ContextUpgradeable is Initializable {\n    function __Context_init() internal onlyInitializing {\n    }\n\n    function __Context_init_unchained() internal onlyInitializing {\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     * @dev This empty reserved space is put in place to allow future versions to add new\n     * variables without shifting down storage in the inheritance chain.\n     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps\n     */\n    uint256[50] private __gap;\n}\n"
    },
    "@openzeppelin/contracts/access/IAccessControl.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IAccessControl {\n    /**\n     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n     *\n     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n     * {RoleAdminChanged} not being emitted signaling this.\n     *\n     * _Available since v3.1._\n     */\n    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n    /**\n     * @dev Emitted when `account` is granted `role`.\n     *\n     * `sender` is the account that originated the contract call, an admin role\n     * bearer except when using {AccessControl-_setupRole}.\n     */\n    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Emitted when `account` is revoked `role`.\n     *\n     * `sender` is the account that originated the contract call:\n     *   - if using `revokeRole`, it is the admin role bearer\n     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)\n     */\n    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n\n    /**\n     * @dev Returns `true` if `account` has been granted `role`.\n     */\n    function hasRole(bytes32 role, address account) external view returns (bool);\n\n    /**\n     * @dev Returns the admin role that controls `role`. See {grantRole} and\n     * {revokeRole}.\n     *\n     * To change a role's admin, use {AccessControl-_setRoleAdmin}.\n     */\n    function getRoleAdmin(bytes32 role) external view returns (bytes32);\n\n    /**\n     * @dev Grants `role` to `account`.\n     *\n     * If `account` had not been already granted `role`, emits a {RoleGranted}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function grantRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from `account`.\n     *\n     * If `account` had been granted `role`, emits a {RoleRevoked} event.\n     *\n     * Requirements:\n     *\n     * - the caller must have ``role``'s admin role.\n     */\n    function revokeRole(bytes32 role, address account) external;\n\n    /**\n     * @dev Revokes `role` from the calling account.\n     *\n     * Roles are often managed via {grantRole} and {revokeRole}: this function's\n     * purpose is to provide a mechanism for accounts to lose their privileges\n     * if they are compromised (such as when a trusted device is misplaced).\n     *\n     * If the calling account had been granted `role`, emits a {RoleRevoked}\n     * event.\n     *\n     * Requirements:\n     *\n     * - the caller must be `account`.\n     */\n    function renounceRole(bytes32 role, address account) external;\n}\n"
    },
    "@openzeppelin/contracts/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby disabling any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
    },
    "@openzeppelin/contracts/access/Ownable2Step.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./Ownable.sol\";\n\n/**\n * @dev Contract module which provides access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership} and {acceptOwnership}.\n *\n * This module is used through inheritance. It will make available all functions\n * from parent (Ownable).\n */\nabstract contract Ownable2Step is Ownable {\n    address private _pendingOwner;\n\n    event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Returns the address of the pending owner.\n     */\n    function pendingOwner() public view virtual returns (address) {\n        return _pendingOwner;\n    }\n\n    /**\n     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual override onlyOwner {\n        _pendingOwner = newOwner;\n        emit OwnershipTransferStarted(owner(), newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual override {\n        delete _pendingOwner;\n        super._transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev The new owner accepts the ownership transfer.\n     */\n    function acceptOwnership() public virtual {\n        address sender = _msgSender();\n        require(pendingOwner() == sender, \"Ownable2Step: caller is not the new owner\");\n        _transferOwnership(sender);\n    }\n}\n"
    },
    "@openzeppelin/contracts/interfaces/IERC5267.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC5267.sol)\n\npragma solidity ^0.8.0;\n\ninterface IERC5267 {\n    /**\n     * @dev MAY be emitted to signal that the domain could have changed.\n     */\n    event EIP712DomainChanged();\n\n    /**\n     * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712\n     * signature.\n     */\n    function eip712Domain()\n        external\n        view\n        returns (\n            bytes1 fields,\n            string memory name,\n            string memory version,\n            uint256 chainId,\n            address verifyingContract,\n            bytes32 salt,\n            uint256[] memory extensions\n        );\n}\n"
    },
    "@openzeppelin/contracts/security/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuard {\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\n    uint256 private constant _NOT_ENTERED = 1;\n    uint256 private constant _ENTERED = 2;\n\n    uint256 private _status;\n\n    constructor() {\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        _nonReentrantBefore();\n        _;\n        _nonReentrantAfter();\n    }\n\n    function _nonReentrantBefore() private {\n        // On the first call to nonReentrant, _status will be _NOT_ENTERED\n        require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n        // Any calls to nonReentrant after this point will fail\n        _status = _ENTERED;\n    }\n\n    function _nonReentrantAfter() private {\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _status = _NOT_ENTERED;\n    }\n\n    /**\n     * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n     * `nonReentrant` function in the call stack.\n     */\n    function _reentrancyGuardEntered() internal view returns (bool) {\n        return _status == _ENTERED;\n    }\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
      "content": "// 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     * @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"
    },
    "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol": {
      "content": "// 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     * @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(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/token/ERC20/IERC20.sol": {
      "content": "// 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     * @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(address from, address to, uint256 amount) external returns (bool);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// 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    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"
    },
    "@openzeppelin/contracts/utils/Address.sol": {
      "content": "// 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     * @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(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://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) {\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\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"
    },
    "@openzeppelin/contracts/utils/Context.sol": {
      "content": "// 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    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n\n    function _contextSuffixLength() internal view virtual returns (uint256) {\n        return 0;\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/cryptography/ECDSA.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../Strings.sol\";\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n    enum RecoverError {\n        NoError,\n        InvalidSignature,\n        InvalidSignatureLength,\n        InvalidSignatureS,\n        InvalidSignatureV // Deprecated in v4.8\n    }\n\n    function _throwError(RecoverError error) private pure {\n        if (error == RecoverError.NoError) {\n            return; // no error: do nothing\n        } else if (error == RecoverError.InvalidSignature) {\n            revert(\"ECDSA: invalid signature\");\n        } else if (error == RecoverError.InvalidSignatureLength) {\n            revert(\"ECDSA: invalid signature length\");\n        } else if (error == RecoverError.InvalidSignatureS) {\n            revert(\"ECDSA: invalid signature 's' value\");\n        }\n    }\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with\n     * `signature` or error string. This address can then be used for verification purposes.\n     *\n     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {toEthSignedMessageHash} on it.\n     *\n     * Documentation for signature generation:\n     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n     *\n     * _Available since v4.3._\n     */\n    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {\n        if (signature.length == 65) {\n            bytes32 r;\n            bytes32 s;\n            uint8 v;\n            // ecrecover takes the signature parameters, and the only way to get them\n            // currently is to use assembly.\n            /// @solidity memory-safe-assembly\n            assembly {\n                r := mload(add(signature, 0x20))\n                s := mload(add(signature, 0x40))\n                v := byte(0, mload(add(signature, 0x60)))\n            }\n            return tryRecover(hash, v, r, s);\n        } else {\n            return (address(0), RecoverError.InvalidSignatureLength);\n        }\n    }\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with\n     * `signature`. This address can then be used for verification purposes.\n     *\n     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {toEthSignedMessageHash} on it.\n     */\n    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n        (address recovered, RecoverError error) = tryRecover(hash, signature);\n        _throwError(error);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n     *\n     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n     *\n     * _Available since v4.3._\n     */\n    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {\n        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n        uint8 v = uint8((uint256(vs) >> 255) + 27);\n        return tryRecover(hash, v, r, s);\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n     *\n     * _Available since v4.2._\n     */\n    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n        (address recovered, RecoverError error) = tryRecover(hash, r, vs);\n        _throwError(error);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     *\n     * _Available since v4.3._\n     */\n    function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {\n        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n        // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n        //\n        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n        // these malleable signatures as well.\n        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n            return (address(0), RecoverError.InvalidSignatureS);\n        }\n\n        // If the signature is valid (and not malleable), return the signer address\n        address signer = ecrecover(hash, v, r, s);\n        if (signer == address(0)) {\n            return (address(0), RecoverError.InvalidSignature);\n        }\n\n        return (signer, RecoverError.NoError);\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);\n        _throwError(error);\n        return recovered;\n    }\n\n    /**\n     * @dev Returns an Ethereum Signed Message, created from a `hash`. This\n     * produces hash corresponding to the one signed with the\n     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n     * JSON-RPC method as part of EIP-191.\n     *\n     * See {recover}.\n     */\n    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {\n        // 32 is the length in bytes of hash,\n        // enforced by the type signature above\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\")\n            mstore(0x1c, hash)\n            message := keccak256(0x00, 0x3c)\n        }\n    }\n\n    /**\n     * @dev Returns an Ethereum Signed Message, created from `s`. This\n     * produces hash corresponding to the one signed with the\n     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]\n     * JSON-RPC method as part of EIP-191.\n     *\n     * See {recover}.\n     */\n    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {\n        return keccak256(abi.encodePacked(\"\\x19Ethereum Signed Message:\\n\", Strings.toString(s.length), s));\n    }\n\n    /**\n     * @dev Returns an Ethereum Signed Typed Data, created from a\n     * `domainSeparator` and a `structHash`. This produces hash corresponding\n     * to the one signed with the\n     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]\n     * JSON-RPC method as part of EIP-712.\n     *\n     * See {recover}.\n     */\n    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            let ptr := mload(0x40)\n            mstore(ptr, \"\\x19\\x01\")\n            mstore(add(ptr, 0x02), domainSeparator)\n            mstore(add(ptr, 0x22), structHash)\n            data := keccak256(ptr, 0x42)\n        }\n    }\n\n    /**\n     * @dev Returns an Ethereum Signed Data with intended validator, created from a\n     * `validator` and `data` according to the version 0 of EIP-191.\n     *\n     * See {recover}.\n     */\n    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n        return keccak256(abi.encodePacked(\"\\x19\\x00\", validator, data));\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/cryptography/EIP712.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/EIP712.sol)\n\npragma solidity ^0.8.8;\n\nimport \"./ECDSA.sol\";\nimport \"../ShortStrings.sol\";\nimport \"../../interfaces/IERC5267.sol\";\n\n/**\n * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.\n *\n * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,\n * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding\n * they need in their contracts using a combination of `abi.encode` and `keccak256`.\n *\n * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding\n * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA\n * ({_hashTypedDataV4}).\n *\n * The implementation of the domain separator was designed to be as efficient as possible while still properly updating\n * the chain id to protect against replay attacks on an eventual fork of the chain.\n *\n * NOTE: This contract implements the version of the encoding known as \"v4\", as implemented by the JSON RPC method\n * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].\n *\n * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain\n * separator of the implementation contract. This will cause the `_domainSeparatorV4` function to always rebuild the\n * separator from the immutable values, which is cheaper than accessing a cached version in cold storage.\n *\n * _Available since v3.4._\n *\n * @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment\n */\nabstract contract EIP712 is IERC5267 {\n    using ShortStrings for *;\n\n    bytes32 private constant _TYPE_HASH =\n        keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\");\n\n    // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to\n    // invalidate the cached domain separator if the chain id changes.\n    bytes32 private immutable _cachedDomainSeparator;\n    uint256 private immutable _cachedChainId;\n    address private immutable _cachedThis;\n\n    bytes32 private immutable _hashedName;\n    bytes32 private immutable _hashedVersion;\n\n    ShortString private immutable _name;\n    ShortString private immutable _version;\n    string private _nameFallback;\n    string private _versionFallback;\n\n    /**\n     * @dev Initializes the domain separator and parameter caches.\n     *\n     * The meaning of `name` and `version` is specified in\n     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:\n     *\n     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.\n     * - `version`: the current major version of the signing domain.\n     *\n     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart\n     * contract upgrade].\n     */\n    constructor(string memory name, string memory version) {\n        _name = name.toShortStringWithFallback(_nameFallback);\n        _version = version.toShortStringWithFallback(_versionFallback);\n        _hashedName = keccak256(bytes(name));\n        _hashedVersion = keccak256(bytes(version));\n\n        _cachedChainId = block.chainid;\n        _cachedDomainSeparator = _buildDomainSeparator();\n        _cachedThis = address(this);\n    }\n\n    /**\n     * @dev Returns the domain separator for the current chain.\n     */\n    function _domainSeparatorV4() internal view returns (bytes32) {\n        if (address(this) == _cachedThis && block.chainid == _cachedChainId) {\n            return _cachedDomainSeparator;\n        } else {\n            return _buildDomainSeparator();\n        }\n    }\n\n    function _buildDomainSeparator() private view returns (bytes32) {\n        return keccak256(abi.encode(_TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));\n    }\n\n    /**\n     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this\n     * function returns the hash of the fully encoded EIP712 message for this domain.\n     *\n     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:\n     *\n     * ```solidity\n     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(\n     *     keccak256(\"Mail(address to,string contents)\"),\n     *     mailTo,\n     *     keccak256(bytes(mailContents))\n     * )));\n     * address signer = ECDSA.recover(digest, signature);\n     * ```\n     */\n    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {\n        return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);\n    }\n\n    /**\n     * @dev See {EIP-5267}.\n     *\n     * _Available since v4.9._\n     */\n    function eip712Domain()\n        public\n        view\n        virtual\n        override\n        returns (\n            bytes1 fields,\n            string memory name,\n            string memory version,\n            uint256 chainId,\n            address verifyingContract,\n            bytes32 salt,\n            uint256[] memory extensions\n        )\n    {\n        return (\n            hex\"0f\", // 01111\n            _name.toStringWithFallback(_nameFallback),\n            _version.toStringWithFallback(_versionFallback),\n            block.chainid,\n            address(this),\n            bytes32(0),\n            new uint256[](0)\n        );\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/math/Math.sol": {
      "content": "// 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    enum Rounding {\n        Down, // Toward negative infinity\n        Up, // Toward infinity\n        Zero // Toward zero\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) {\n            result += 1;\n        }\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(uint256 a) internal pure returns (uint256) {\n        if (a == 0) {\n            return 0;\n        }\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(uint256 value) 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) {\n                result += 1;\n            }\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(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >= 10 ** 64) {\n                value /= 10 ** 64;\n                result += 64;\n            }\n            if (value >= 10 ** 32) {\n                value /= 10 ** 32;\n                result += 32;\n            }\n            if (value >= 10 ** 16) {\n                value /= 10 ** 16;\n                result += 16;\n            }\n            if (value >= 10 ** 8) {\n                value /= 10 ** 8;\n                result += 8;\n            }\n            if (value >= 10 ** 4) {\n                value /= 10 ** 4;\n                result += 4;\n            }\n            if (value >= 10 ** 2) {\n                value /= 10 ** 2;\n                result += 2;\n            }\n            if (value >= 10 ** 1) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log10(value);\n            return result + (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(uint256 value) 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) {\n                result += 1;\n            }\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"
    },
    "@openzeppelin/contracts/utils/math/SignedMath.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard signed math utilities missing in the Solidity language.\n */\nlibrary SignedMath {\n    /**\n     * @dev Returns the largest of two signed numbers.\n     */\n    function max(int256 a, int256 b) internal pure returns (int256) {\n        return a > b ? a : b;\n    }\n\n    /**\n     * @dev Returns the smallest of two signed numbers.\n     */\n    function min(int256 a, int256 b) internal pure returns (int256) {\n        return a < b ? a : b;\n    }\n\n    /**\n     * @dev Returns the average of two signed numbers without overflow.\n     * The result is rounded towards zero.\n     */\n    function average(int256 a, int256 b) internal pure returns (int256) {\n        // Formula from the book \"Hacker's Delight\"\n        int256 x = (a & b) + ((a ^ b) >> 1);\n        return x + (int256(uint256(x) >> 255) & (a ^ b));\n    }\n\n    /**\n     * @dev Returns the absolute unsigned value of a signed value.\n     */\n    function abs(int256 n) internal pure returns (uint256) {\n        unchecked {\n            // must be unchecked in order to support `n = type(int256).min`\n            return uint256(n >= 0 ? n : -n);\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/ShortStrings.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/ShortStrings.sol)\n\npragma solidity ^0.8.8;\n\nimport \"./StorageSlot.sol\";\n\n// | string  | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA   |\n// | length  | 0x                                                              BB |\ntype ShortString is bytes32;\n\n/**\n * @dev This library provides functions to convert short memory strings\n * into a `ShortString` type that can be used as an immutable variable.\n *\n * Strings of arbitrary length can be optimized using this library if\n * they are short enough (up to 31 bytes) by packing them with their\n * length (1 byte) in a single EVM word (32 bytes). Additionally, a\n * fallback mechanism can be used for every other case.\n *\n * Usage example:\n *\n * ```solidity\n * contract Named {\n *     using ShortStrings for *;\n *\n *     ShortString private immutable _name;\n *     string private _nameFallback;\n *\n *     constructor(string memory contractName) {\n *         _name = contractName.toShortStringWithFallback(_nameFallback);\n *     }\n *\n *     function name() external view returns (string memory) {\n *         return _name.toStringWithFallback(_nameFallback);\n *     }\n * }\n * ```\n */\nlibrary ShortStrings {\n    // Used as an identifier for strings longer than 31 bytes.\n    bytes32 private constant _FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;\n\n    error StringTooLong(string str);\n    error InvalidShortString();\n\n    /**\n     * @dev Encode a string of at most 31 chars into a `ShortString`.\n     *\n     * This will trigger a `StringTooLong` error is the input string is too long.\n     */\n    function toShortString(string memory str) internal pure returns (ShortString) {\n        bytes memory bstr = bytes(str);\n        if (bstr.length > 31) {\n            revert StringTooLong(str);\n        }\n        return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length));\n    }\n\n    /**\n     * @dev Decode a `ShortString` back to a \"normal\" string.\n     */\n    function toString(ShortString sstr) internal pure returns (string memory) {\n        uint256 len = byteLength(sstr);\n        // using `new string(len)` would work locally but is not memory safe.\n        string memory str = new string(32);\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(str, len)\n            mstore(add(str, 0x20), sstr)\n        }\n        return str;\n    }\n\n    /**\n     * @dev Return the length of a `ShortString`.\n     */\n    function byteLength(ShortString sstr) internal pure returns (uint256) {\n        uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;\n        if (result > 31) {\n            revert InvalidShortString();\n        }\n        return result;\n    }\n\n    /**\n     * @dev Encode a string into a `ShortString`, or write it to storage if it is too long.\n     */\n    function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {\n        if (bytes(value).length < 32) {\n            return toShortString(value);\n        } else {\n            StorageSlot.getStringSlot(store).value = value;\n            return ShortString.wrap(_FALLBACK_SENTINEL);\n        }\n    }\n\n    /**\n     * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}.\n     */\n    function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {\n        if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) {\n            return toString(value);\n        } else {\n            return store;\n        }\n    }\n\n    /**\n     * @dev Return the length of a string that was encoded to `ShortString` or written to storage using {setWithFallback}.\n     *\n     * WARNING: This will return the \"byte length\" of the string. This may not reflect the actual length in terms of\n     * actual characters as the UTF-8 encoding of a single character can span over multiple bytes.\n     */\n    function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {\n        if (ShortString.unwrap(value) != _FALLBACK_SENTINEL) {\n            return byteLength(value);\n        } else {\n            return bytes(store).length;\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/StorageSlot.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n *     function _getImplementation() internal view returns (address) {\n *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n *     }\n *\n *     function _setImplementation(address newImplementation) internal {\n *         require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n *     }\n * }\n * ```\n *\n * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._\n * _Available since v4.9 for `string`, `bytes`._\n */\nlibrary StorageSlot {\n    struct AddressSlot {\n        address value;\n    }\n\n    struct BooleanSlot {\n        bool value;\n    }\n\n    struct Bytes32Slot {\n        bytes32 value;\n    }\n\n    struct Uint256Slot {\n        uint256 value;\n    }\n\n    struct StringSlot {\n        string value;\n    }\n\n    struct BytesSlot {\n        bytes value;\n    }\n\n    /**\n     * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n     */\n    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n     */\n    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n     */\n    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n     */\n    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `StringSlot` with member `value` located at `slot`.\n     */\n    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n     */\n    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := store.slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BytesSlot` with member `value` located at `slot`.\n     */\n    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n     */\n    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := store.slot\n        }\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/Strings.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./math/Math.sol\";\nimport \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    bytes16 private constant _SYMBOLS = \"0123456789abcdef\";\n    uint8 private constant _ADDRESS_LENGTH = 20;\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            uint256 length = Math.log10(value) + 1;\n            string memory buffer = new string(length);\n            uint256 ptr;\n            /// @solidity memory-safe-assembly\n            assembly {\n                ptr := add(buffer, add(32, length))\n            }\n            while (true) {\n                ptr--;\n                /// @solidity memory-safe-assembly\n                assembly {\n                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))\n                }\n                value /= 10;\n                if (value == 0) break;\n            }\n            return buffer;\n        }\n    }\n\n    /**\n     * @dev Converts a `int256` to its ASCII `string` decimal representation.\n     */\n    function toString(int256 value) internal pure returns (string memory) {\n        return string(abi.encodePacked(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value))));\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            return toHexString(value, Math.log256(value) + 1);\n        }\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = _SYMBOLS[value & 0xf];\n            value >>= 4;\n        }\n        require(value == 0, \"Strings: hex length insufficient\");\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n    }\n\n    /**\n     * @dev Returns true if the two strings are equal.\n     */\n    function equal(string memory a, string memory b) internal pure returns (bool) {\n        return keccak256(bytes(a)) == keccak256(bytes(b));\n    }\n}\n"
    },
    "@venusprotocol/governance-contracts/contracts/Governance/IAccessControlManagerV8.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity ^0.8.25;\n\nimport \"@openzeppelin/contracts/access/IAccessControl.sol\";\n\n/**\n * @title IAccessControlManagerV8\n * @author Venus\n * @notice Interface implemented by the `AccessControlManagerV8` contract.\n */\ninterface IAccessControlManagerV8 is IAccessControl {\n    function giveCallPermission(address contractAddress, string calldata functionSig, address accountToPermit) external;\n\n    function revokeCallPermission(\n        address contractAddress,\n        string calldata functionSig,\n        address accountToRevoke\n    ) external;\n\n    function isAllowedToCall(address account, string calldata functionSig) external view returns (bool);\n\n    function hasPermission(\n        address account,\n        address contractAddress,\n        string calldata functionSig\n    ) external view returns (bool);\n}\n"
    },
    "@venusprotocol/oracle/contracts/interfaces/FeedRegistryInterface.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity ^0.8.25;\n\ninterface FeedRegistryInterface {\n    function latestRoundDataByName(\n        string memory base,\n        string memory quote\n    )\n        external\n        view\n        returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);\n\n    function decimalsByName(string memory base, string memory quote) external view returns (uint8);\n}\n"
    },
    "@venusprotocol/oracle/contracts/interfaces/OracleInterface.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity ^0.8.25;\n\ninterface OracleInterface {\n    function getPrice(address asset) external view returns (uint256);\n}\n\ninterface ResilientOracleInterface is OracleInterface {\n    function updatePrice(address vToken) external;\n\n    function updateAssetPrice(address asset) external;\n\n    function getUnderlyingPrice(address vToken) external view returns (uint256);\n}\n\ninterface BoundValidatorInterface {\n    function validatePriceWithAnchorPrice(\n        address asset,\n        uint256 reporterPrice,\n        uint256 anchorPrice\n    ) external view returns (bool);\n}\n"
    },
    "@venusprotocol/oracle/contracts/interfaces/PublicResolverInterface.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\n// SPDX-FileCopyrightText: 2022 Venus\npragma solidity ^0.8.25;\n\ninterface PublicResolverInterface {\n    function addr(bytes32 node) external view returns (address payable);\n}\n"
    },
    "@venusprotocol/oracle/contracts/interfaces/SIDRegistryInterface.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\n// SPDX-FileCopyrightText: 2022 Venus\npragma solidity ^0.8.25;\n\ninterface SIDRegistryInterface {\n    function resolver(bytes32 node) external view returns (address);\n}\n"
    },
    "@venusprotocol/oracle/contracts/interfaces/VBep20Interface.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity ^0.8.25;\n\nimport \"@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\n\ninterface VBep20Interface is IERC20Metadata {\n    /**\n     * @notice Underlying asset for this VToken\n     */\n    function underlying() external view returns (address);\n}\n"
    },
    "@venusprotocol/solidity-utilities/contracts/constants.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity ^0.8.25;\n\n/// @dev Base unit for computations, usually used in scaling (multiplications, divisions)\nuint256 constant EXP_SCALE = 1e18;\n\n/// @dev A unit (literal one) in EXP_SCALE, usually used in additions/subtractions\nuint256 constant MANTISSA_ONE = EXP_SCALE;\n\n/// @dev The approximate number of seconds per year\nuint256 constant SECONDS_PER_YEAR = 31_536_000;\n"
    },
    "@venusprotocol/venus-protocol/contracts/Utils/ReentrancyGuardTransient.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuardTransient.sol)\n// https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/ReentrancyGuardTransient.sol\npragma solidity ^0.8.25;\n\nimport { TransientSlot } from \"./TransientSlot.sol\";\n\n/**\n * @dev Variant of {ReentrancyGuard} that uses transient storage.\n *\n * NOTE: This variant only works on networks where EIP-1153 is available.\n *\n * _Available since v5.1._\n */\nabstract contract ReentrancyGuardTransient {\n    using TransientSlot for *;\n\n    // keccak256(abi.encode(uint256(keccak256(\"openzeppelin.storage.ReentrancyGuard\")) - 1)) & ~bytes32(uint256(0xff))\n    bytes32 private constant REENTRANCY_GUARD_STORAGE =\n        0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00;\n\n    /**\n     * @dev Unauthorized reentrant call.\n     */\n    error ReentrancyGuardReentrantCall();\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        _nonReentrantBefore();\n        _;\n        _nonReentrantAfter();\n    }\n\n    /**\n     * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n     * `nonReentrant` function in the call stack.\n     */\n    function _reentrancyGuardEntered() internal view returns (bool) {\n        return REENTRANCY_GUARD_STORAGE.asBoolean().tload();\n    }\n\n    function _nonReentrantBefore() private {\n        // On the first call to nonReentrant, _status will be NOT_ENTERED\n        if (_reentrancyGuardEntered()) {\n            revert ReentrancyGuardReentrantCall();\n        }\n\n        // Any calls to nonReentrant after this point will fail\n        REENTRANCY_GUARD_STORAGE.asBoolean().tstore(true);\n    }\n\n    function _nonReentrantAfter() private {\n        REENTRANCY_GUARD_STORAGE.asBoolean().tstore(false);\n    }\n}\n"
    },
    "@venusprotocol/venus-protocol/contracts/Utils/TransientSlot.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.1.0) (utils/TransientSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/TransientSlot.js.\n// https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/TransientSlot.sol\npragma solidity ^0.8.25;\n\n/**\n * @dev Library for reading and writing value-types to specific transient storage slots.\n *\n * Transient slots are often used to store temporary values that are removed after the current transaction.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n *  * Example reading and writing values using transient storage:\n * ```solidity\n * contract Lock {\n *     using TransientSlot for *;\n *\n *     // Define the slot. Alternatively, use the SlotDerivation library to derive the slot.\n *     bytes32 internal constant _LOCK_SLOT = 0xf4678858b2b588224636b8522b729e7722d32fc491da849ed75b3fdf3c84f542;\n *\n *     modifier locked() {\n *         require(!_LOCK_SLOT.asBoolean().tload());\n *\n *         _LOCK_SLOT.asBoolean().tstore(true);\n *         _;\n *         _LOCK_SLOT.asBoolean().tstore(false);\n *     }\n * }\n * ```\n *\n * TIP: Consider using this library along with {SlotDerivation}.\n */\nlibrary TransientSlot {\n    /**\n     * @dev UDVT that represent a slot holding a address.\n     */\n    type AddressSlot is bytes32;\n\n    /**\n     * @dev Cast an arbitrary slot to a AddressSlot.\n     */\n    function asAddress(bytes32 slot) internal pure returns (AddressSlot) {\n        return AddressSlot.wrap(slot);\n    }\n\n    /**\n     * @dev UDVT that represent a slot holding a bool.\n     */\n    type BooleanSlot is bytes32;\n\n    /**\n     * @dev Cast an arbitrary slot to a BooleanSlot.\n     */\n    function asBoolean(bytes32 slot) internal pure returns (BooleanSlot) {\n        return BooleanSlot.wrap(slot);\n    }\n\n    /**\n     * @dev UDVT that represent a slot holding a bytes32.\n     */\n    type Bytes32Slot is bytes32;\n\n    /**\n     * @dev Cast an arbitrary slot to a Bytes32Slot.\n     */\n    function asBytes32(bytes32 slot) internal pure returns (Bytes32Slot) {\n        return Bytes32Slot.wrap(slot);\n    }\n\n    /**\n     * @dev UDVT that represent a slot holding a uint256.\n     */\n    type Uint256Slot is bytes32;\n\n    /**\n     * @dev Cast an arbitrary slot to a Uint256Slot.\n     */\n    function asUint256(bytes32 slot) internal pure returns (Uint256Slot) {\n        return Uint256Slot.wrap(slot);\n    }\n\n    /**\n     * @dev UDVT that represent a slot holding a int256.\n     */\n    type Int256Slot is bytes32;\n\n    /**\n     * @dev Cast an arbitrary slot to a Int256Slot.\n     */\n    function asInt256(bytes32 slot) internal pure returns (Int256Slot) {\n        return Int256Slot.wrap(slot);\n    }\n\n    /**\n     * @dev Load the value held at location `slot` in transient storage.\n     */\n    function tload(AddressSlot slot) internal view returns (address value) {\n        assembly (\"memory-safe\") {\n            value := tload(slot)\n        }\n    }\n\n    /**\n     * @dev Store `value` at location `slot` in transient storage.\n     */\n    function tstore(AddressSlot slot, address value) internal {\n        assembly (\"memory-safe\") {\n            tstore(slot, value)\n        }\n    }\n\n    /**\n     * @dev Load the value held at location `slot` in transient storage.\n     */\n    function tload(BooleanSlot slot) internal view returns (bool value) {\n        assembly (\"memory-safe\") {\n            value := tload(slot)\n        }\n    }\n\n    /**\n     * @dev Store `value` at location `slot` in transient storage.\n     */\n    function tstore(BooleanSlot slot, bool value) internal {\n        assembly (\"memory-safe\") {\n            tstore(slot, value)\n        }\n    }\n\n    /**\n     * @dev Load the value held at location `slot` in transient storage.\n     */\n    function tload(Bytes32Slot slot) internal view returns (bytes32 value) {\n        assembly (\"memory-safe\") {\n            value := tload(slot)\n        }\n    }\n\n    /**\n     * @dev Store `value` at location `slot` in transient storage.\n     */\n    function tstore(Bytes32Slot slot, bytes32 value) internal {\n        assembly (\"memory-safe\") {\n            tstore(slot, value)\n        }\n    }\n\n    /**\n     * @dev Load the value held at location `slot` in transient storage.\n     */\n    function tload(Uint256Slot slot) internal view returns (uint256 value) {\n        assembly (\"memory-safe\") {\n            value := tload(slot)\n        }\n    }\n\n    /**\n     * @dev Store `value` at location `slot` in transient storage.\n     */\n    function tstore(Uint256Slot slot, uint256 value) internal {\n        assembly (\"memory-safe\") {\n            tstore(slot, value)\n        }\n    }\n\n    /**\n     * @dev Load the value held at location `slot` in transient storage.\n     */\n    function tload(Int256Slot slot) internal view returns (int256 value) {\n        assembly (\"memory-safe\") {\n            value := tload(slot)\n        }\n    }\n\n    /**\n     * @dev Store `value` at location `slot` in transient storage.\n     */\n    function tstore(Int256Slot slot, int256 value) internal {\n        assembly (\"memory-safe\") {\n            tstore(slot, value)\n        }\n    }\n}\n"
    },
    "contracts/hardhat-dependency-compiler/hardhat-deploy/solc_0.8/openzeppelin/proxy/transparent/ProxyAdmin.sol": {
      "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >0.0.0;\nimport 'hardhat-deploy/solc_0.8/openzeppelin/proxy/transparent/ProxyAdmin.sol';\n"
    },
    "contracts/hardhat-dependency-compiler/hardhat-deploy/solc_0.8/proxy/OptimizedTransparentUpgradeableProxy.sol": {
      "content": "// SPDX-License-Identifier: UNLICENSED\npragma solidity >0.0.0;\nimport 'hardhat-deploy/solc_0.8/proxy/OptimizedTransparentUpgradeableProxy.sol';\n"
    },
    "contracts/Interfaces.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity ^0.8.25;\n\nimport { IERC20Upgradeable } from \"@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol\";\nimport { ResilientOracleInterface } from \"@venusprotocol/oracle/contracts/interfaces/OracleInterface.sol\";\n\ninterface IVToken is IERC20Upgradeable {\n    function accrueInterest() external returns (uint256);\n\n    function redeem(uint256 redeemTokens) external returns (uint256);\n\n    function redeemUnderlying(uint256 redeemAmount) external returns (uint256);\n\n    function borrowBalanceCurrent(address borrower) external returns (uint256);\n\n    function balanceOfUnderlying(address owner) external returns (uint256);\n\n    function seize(address liquidator, address borrower, uint seizeTokens) external returns (uint);\n\n    function mintBehalf(address receiver, uint mintAmount) external returns (uint);\n\n    function borrowBehalf(address borrower, uint borrowAmount) external returns (uint256);\n\n    function repayBorrowBehalf(address borrower, uint repayAmount) external returns (uint256);\n\n    function redeemUnderlyingBehalf(address redeemer, uint redeemAmount) external returns (uint);\n\n    function comptroller() external view returns (IComptroller);\n\n    function borrowBalanceStored(address account) external view returns (uint256);\n\n    function underlying() external view returns (address);\n}\n\ninterface IVBNB is IVToken {\n    function repayBorrowBehalf(address borrower) external payable;\n\n    function liquidateBorrow(address borrower, IVToken vTokenCollateral) external payable;\n}\n\ninterface IComptroller {\n    enum Action {\n        MINT,\n        REDEEM,\n        BORROW,\n        REPAY,\n        SEIZE,\n        LIQUIDATE,\n        TRANSFER,\n        ENTER_MARKET,\n        EXIT_MARKET\n    }\n\n    function _setActionsPaused(address[] calldata markets_, Action[] calldata actions_, bool paused_) external;\n\n    function enterMarkets(address[] calldata vTokens) external returns (uint256[] memory);\n\n    function enterMarketBehalf(address onBehalf, address vToken) external returns (uint256);\n\n    function enterMarket(address user, address vToken) external returns (uint256);\n\n    function liquidationIncentiveMantissa() external view returns (uint256);\n\n    function vaiController() external view returns (address);\n\n    function liquidatorContract() external view returns (address);\n\n    function oracle() external view returns (ResilientOracleInterface);\n\n    function actionPaused(address market, Action action) external view returns (bool);\n\n    function markets(address) external view returns (bool, uint256, bool);\n\n    function isForcedLiquidationEnabled(address) external view returns (bool);\n\n    function approvedDelegates(address borrower, address delegate) external view returns (bool);\n\n    function getAccountLiquidity(address account) external view returns (uint256, uint256, uint256);\n\n    function checkMembership(address account, IVToken vToken) external view returns (bool);\n\n    function getBorrowingPower(\n        address account\n    ) external view returns (uint256 error, uint256 liquidity, uint256 shortfall);\n\n    function executeFlashLoan(\n        address payable onBehalf,\n        address payable receiver,\n        IVToken[] memory vTokens,\n        uint256[] memory underlyingAmounts,\n        bytes memory param\n    ) external;\n}\n\ninterface IFlashLoanReceiver {\n    /**\n     * @notice Executes an operation after receiving the flash-borrowed assets.\n     * @dev Implementation of this function must ensure at least the premium (fee) is repaid within the same transaction.\n     *      Any unpaid balance (principal + premium - repaid amount) will be added to the onBehalf address's borrow balance.\n     * @param vTokens The vToken contracts corresponding to the flash-borrowed underlying assets.\n     * @param amounts The amounts of each underlying asset that were flash-borrowed.\n     * @param premiums The premiums (fees) associated with each flash-borrowed asset.\n     * @param initiator The address that initiated the flash loan.\n     * @param onBehalf The address of the user whose debt position will be used for any unpaid flash loan balance.\n     * @param param Additional parameters encoded as bytes. These can be used to pass custom data to the receiver contract.\n     * @return success True if the operation succeeds (regardless of repayment amount), false if the operation fails.\n     * @return repayAmounts Array of uint256 representing the amounts to be repaid for each asset. The receiver contract\n     *         must approve these amounts to the respective vToken contracts before this function returns.\n     */\n    function executeOperation(\n        IVToken[] calldata vTokens,\n        uint256[] calldata amounts,\n        uint256[] calldata premiums,\n        address initiator,\n        address onBehalf,\n        bytes calldata param\n    ) external returns (bool success, uint256[] memory repayAmounts);\n}\n\ninterface IWBNB is IERC20Upgradeable {\n    function deposit() external payable;\n\n    function withdraw(uint256 amount) external;\n}\n\ninterface IProtocolShareReserve {\n    enum IncomeType {\n        SPREAD,\n        LIQUIDATION,\n        ERC4626_WRAPPER_REWARDS,\n        FLASHLOAN\n    }\n\n    function updateAssetsState(address comptroller, address asset, IncomeType incomeType) external;\n}\n"
    },
    "contracts/LeverageManager/ILeverageStrategiesManager.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity 0.8.28;\n\nimport { IVToken } from \"../Interfaces.sol\";\n\n/**\n * @title ILeverageStrategiesManager\n * @author Venus Protocol\n * @notice Interface for the Leverage Strategies Manager contract\n * @dev This interface defines the functionality for entering and exiting leveraged positions\n *      using flash loans and token swaps. The contract allows users to amplify their exposure\n *      to specific assets by borrowing against their collateral and reinvesting the borrowed funds.\n */\ninterface ILeverageStrategiesManager {\n    /// @custom:error UnauthorizedCaller Caller is neither the user nor an approved delegate.\n    error UnauthorizedCaller(address account);\n\n    /// @custom:error MintBehalfFailed mintBehalf on a vToken market returned a non-zero error code\n    error MintBehalfFailed(uint256 errorCode);\n\n    /// @custom:error BorrowBehalfFailed borrowBehalf on a vToken market returned a non-zero error code\n    error BorrowBehalfFailed(uint256 errorCode);\n\n    /// @custom:error RepayBehalfFailed repayBehalf on a vToken market returned a non-zero error code\n    error RepayBehalfFailed(uint256 errorCode);\n\n    /// @custom:error RedeemBehalfFailed redeemBehalf on a vToken market returned a non-zero error code\n    error RedeemBehalfFailed(uint256 errorCode);\n\n    /// @custom:error OperationCausesLiquidation Operation would put the account at risk (undercollateralized)\n    error OperationCausesLiquidation();\n\n    /// @custom:error TokenSwapCallFailed Swap helper call reverted or returned false\n    error TokenSwapCallFailed();\n\n    /// @custom:error FlashLoanAssetOrAmountMismatch Invalid flash loan arrays length or >1 elements\n    error FlashLoanAssetOrAmountMismatch();\n\n    /// @custom:error UnauthorizedExecutor Caller is not the expected Comptroller\n    error UnauthorizedExecutor();\n\n    /// @custom:error InvalidExecuteOperation Unknown operation type in flash loan callback\n    error InvalidExecuteOperation();\n\n    /// @custom:error SlippageExceeded Swap output lower than required minimum\n    error SlippageExceeded();\n\n    /// @custom:error InsufficientFundsToRepayFlashloan Not enough proceeds to repay flash loan plus fees\n    error InsufficientFundsToRepayFlashloan();\n\n    /// @custom:error InitiatorMismatch Invalid initiator address in flash loan callback\n    error InitiatorMismatch();\n\n    /// @custom:error OnBehalfMismatch Invalid onBehalf address in flash loan callback\n    error OnBehalfMismatch();\n\n    /// @custom:error TransferFromUserFailed Failed to transfer tokens from user\n    error TransferFromUserFailed();\n\n    /// @custom:error EnterMarketFailed Comptroller.enterMarketBehalf returned a non-zero error code\n    error EnterMarketFailed(uint256 err);\n\n    /// @custom:error MarketNotListed Provided vToken market is not listed in Comptroller\n    error MarketNotListed(address market);\n\n    /// @custom:error ZeroAddress One of the required addresses is zero\n    error ZeroAddress();\n\n    /// @custom:error NotAnApprovedDelegate User has not approved this contract as a delegate\n    error NotAnApprovedDelegate();\n\n    /// @notice Emitted when a user enters a leveraged position with single collateral asset\n    /// @param user The address of the user entering the position\n    /// @param collateralMarket The vToken market used as collateral\n    /// @param collateralAmountSeed The initial collateral amount provided by the user\n    /// @param collateralAmountToFlashLoan The amount being flash loaned\n    event SingleAssetLeverageEntered(\n        address indexed user,\n        IVToken indexed collateralMarket,\n        uint256 collateralAmountSeed,\n        uint256 collateralAmountToFlashLoan\n    );\n\n    /// @notice Emitted when a user enters a leveraged position with collateral seed\n    /// @param user The address of the user entering the position\n    /// @param collateralMarket The vToken market used as collateral\n    /// @param collateralAmountSeed The initial collateral amount provided by the user\n    /// @param borrowedMarket The vToken market being borrowed from\n    /// @param borrowedAmountToFlashLoan The amount being flash loaned\n    event LeverageEntered(\n        address indexed user,\n        IVToken indexed collateralMarket,\n        uint256 collateralAmountSeed,\n        IVToken indexed borrowedMarket,\n        uint256 borrowedAmountToFlashLoan\n    );\n\n    /// @notice Emitted when a user enters a leveraged position with borrowed asset seed\n    /// @param user The address of the user entering the position\n    /// @param collateralMarket The vToken market used as collateral\n    /// @param borrowedMarket The vToken market being borrowed from\n    /// @param borrowedAmountSeed The initial borrowed asset amount provided by the user\n    /// @param borrowedAmountToFlashLoan The amount being flash loaned\n    event LeverageEnteredFromBorrow(\n        address indexed user,\n        IVToken indexed collateralMarket,\n        IVToken indexed borrowedMarket,\n        uint256 borrowedAmountSeed,\n        uint256 borrowedAmountToFlashLoan\n    );\n\n    /// @notice Emitted when a user exits a leveraged position\n    /// @param user The address of the user exiting the position\n    /// @param collateralMarket The vToken market being redeemed\n    /// @param collateralAmountToRedeemForSwap The amount of collateral being redeemed for swap\n    /// @param borrowedMarket The vToken market being repaid\n    /// @param borrowedAmountToFlashLoan The amount being flash loaned\n    event LeverageExited(\n        address indexed user,\n        IVToken indexed collateralMarket,\n        uint256 collateralAmountToRedeemForSwap,\n        IVToken indexed borrowedMarket,\n        uint256 borrowedAmountToFlashLoan\n    );\n\n    /// @notice Emitted when a user exits a leveraged position with single collateral asset\n    /// @param user The address of the user exiting the position\n    /// @param collateralMarket The vToken market used for both collateral and borrowed asset\n    /// @param collateralAmountToFlashLoan The amount being flash loaned\n    event SingleAssetLeverageExited(\n        address indexed user,\n        IVToken indexed collateralMarket,\n        uint256 collateralAmountToFlashLoan\n    );\n\n    /**\n     * @notice Enumeration of operation types for flash loan callbacks\n     * @param NONE Default value indicating no operation set\n     * @param ENTER_WITH_COLLATERAL Operation for entering a leveraged position with collateral seed\n     * @param ENTER_WITH_BORROWED Operation for entering a leveraged position with borrowed asset seed\n     * @param EXIT Operation for exiting a leveraged position\n     */\n    enum OperationType {\n        NONE,\n        ENTER_SINGLE_ASSET,\n        ENTER_COLLATERAL,\n        ENTER_BORROW,\n        EXIT_COLLATERAL,\n        EXIT_SINGLE_ASSET\n    }\n\n    /**\n     * @notice Enters a leveraged position using only collateral provided by the user\n     * @dev This function flash loans additional collateral assets, amplifying the user's supplied collateral\n     *     in the Venus protocol. The user must have delegated permission to this contract via the comptroller.\n     * @param collateralMarket The vToken market where collateral will be supplied\n     * @param collateralAmountSeed The initial amount of collateral the user provides (can be 0)\n     * @param collateralAmountToFlashLoan The amount to borrow via flash loan for leverage\n     * @custom:emits SingleAssetLeverageEntered\n     * @custom:error NotAnApprovedDelegate if caller has not delegated to this contract\n     * @custom:error MarketNotListed if the market is not listed in Comptroller\n     * @custom:error OperationCausesLiquidation if the operation would make the account unsafe\n     * @custom:error MintBehalfFailed if mint behalf operation fails\n     * @custom:error BorrowBehalfFailed if borrow behalf operation fails\n     */\n    function enterSingleAssetLeverage(\n        IVToken collateralMarket,\n        uint256 collateralAmountSeed,\n        uint256 collateralAmountToFlashLoan\n    ) external;\n\n    /**\n     * @notice Enters a leveraged position by borrowing assets and converting them to collateral\n     * @dev This function uses flash loans to borrow assets, swaps them for collateral tokens,\n     *      and supplies the collateral to the Venus protocol to amplify the user's position.\n     *      The user must have delegated permission to this contract via the comptroller.\n     * @param collateralMarket The vToken market where collateral will be supplied\n     * @param collateralAmountSeed The initial amount of collateral the user provides (can be 0)\n     * @param borrowedMarket The vToken market from which assets will be borrowed via flash loan\n     * @param borrowedAmountToFlashLoan The amount to borrow via flash loan for leverage\n     * @param minAmountOutAfterSwap The minimum amount of collateral expected after swap (for slippage protection)\n     * @param swapData Bytes containing swap instructions for converting borrowed assets to collateral\n     * @custom:emits LeverageEntered\n     * @custom:error NotAnApprovedDelegate if caller has not delegated to this contract\n     * @custom:error MarketNotListed if any market is not listed in Comptroller\n     * @custom:error OperationCausesLiquidation if the operation would make the account unsafe\n     * @custom:error MintBehalfFailed if mint behalf operation fails\n     * @custom:error BorrowBehalfFailed if borrow behalf operation fails\n     * @custom:error TokenSwapCallFailed if token swap execution fails\n     * @custom:error SlippageExceeded if collateral balance after swap is below minimum\n     */\n    function enterLeverage(\n        IVToken collateralMarket,\n        uint256 collateralAmountSeed,\n        IVToken borrowedMarket,\n        uint256 borrowedAmountToFlashLoan,\n        uint256 minAmountOutAfterSwap,\n        bytes calldata swapData\n    ) external;\n\n    /**\n     * @notice Enters a leveraged position by using existing borrowed assets and converting them to collateral\n     * @dev This function uses flash loans to borrow additional assets, swaps the total borrowed amount\n     *      for collateral tokens, and supplies the collateral to the Venus protocol to amplify the user's position.\n     *      The user must have delegated permission to this contract via the comptroller.\n     * @param collateralMarket The vToken market where collateral will be supplied\n     * @param borrowedMarket The vToken market from which assets will be borrowed via flash loan\n     * @param borrowedAmountSeed The initial amount of borrowed assets the user provides (can be 0)\n     * @param borrowedAmountToFlashLoan The additional amount to borrow via flash loan for leverage\n     * @param minAmountOutAfterSwap The minimum amount of collateral expected after swap (for slippage protection)\n     * @param swapData Bytes containing swap instructions for converting borrowed assets to collateral\n     * @custom:emits LeverageEnteredFromBorrow\n     * @custom:error NotAnApprovedDelegate if caller has not delegated to this contract\n     * @custom:error MarketNotListed if any market is not listed in Comptroller\n     * @custom:error OperationCausesLiquidation if the operation would make the account unsafe\n     * @custom:error MintBehalfFailed if mint behalf operation fails\n     * @custom:error BorrowBehalfFailed if borrow behalf operation fails\n     * @custom:error TokenSwapCallFailed if token swap execution fails\n     * @custom:error SlippageExceeded if collateral balance after swap is below minimum\n     */\n    function enterLeverageFromBorrow(\n        IVToken collateralMarket,\n        IVToken borrowedMarket,\n        uint256 borrowedAmountSeed,\n        uint256 borrowedAmountToFlashLoan,\n        uint256 minAmountOutAfterSwap,\n        bytes calldata swapData\n    ) external;\n\n    /**\n     * @notice Exits a leveraged position by redeeming collateral and repaying borrowed assets\n     * @dev This function uses flash loans to temporarily repay debt, redeems collateral,\n     *      swaps collateral for borrowed assets, and repays the flash loan. Any dust amounts\n     *      are transferred to the protocol share reserve.\n     * @param collateralMarket The vToken market from which collateral will be redeemed\n     * @param collateralAmountToRedeemForSwap The amount of collateral to redeem and swap\n     * @param borrowedMarket The vToken market where debt will be repaid via flash loan\n     * @param borrowedAmountToFlashLoan The amount to borrow via flash loan for debt repayment\n     * @param minAmountOutAfterSwap The minimum amount of borrowed asset expected after swap (for slippage protection)\n     * @param swapData Bytes containing swap instructions for converting collateral to borrowed assets\n     * @custom:emits LeverageExited\n     * @custom:error NotAnApprovedDelegate if caller has not delegated to this contract\n     * @custom:error MarketNotListed if any market is not listed in Comptroller\n     * @custom:error OperationCausesLiquidation if the operation would make the account unsafe\n     * @custom:error RepayBehalfFailed if repay operation fails\n     * @custom:error RedeemBehalfFailed if redeem operation fails\n     * @custom:error TokenSwapCallFailed if token swap execution fails\n     * @custom:error SlippageExceeded if swap output is below minimum required\n     * @custom:error InsufficientFundsToRepayFlashloan if insufficient funds to repay flash loan\n     */\n    function exitLeverage(\n        IVToken collateralMarket,\n        uint256 collateralAmountToRedeemForSwap,\n        IVToken borrowedMarket,\n        uint256 borrowedAmountToFlashLoan,\n        uint256 minAmountOutAfterSwap,\n        bytes calldata swapData\n    ) external;\n\n    /**\n     * @notice Exits a leveraged position when collateral and borrowed assets are the same token\n     * @dev This function uses flash loans to temporarily repay debt, redeems collateral,\n     *      and repays the flash loan without requiring token swaps. Any dust amounts\n     *      are transferred to the protocol share reserve. This is more gas-efficient than\n     *      exitLeveragedPosition when dealing with single-asset positions.\n     * @param collateralMarket The vToken market for both collateral and borrowed asset\n     * @param collateralAmountToFlashLoan The amount to borrow via flash loan for debt repayment\n     * @custom:emits SingleAssetLeverageExited\n     * @custom:error Unauthorized if caller is not user or approved delegate\n     * @custom:error MarketNotListed if the market is not listed in Comptroller\n     * @custom:error OperationCausesLiquidation if the operation would make the account unsafe\n     * @custom:error RepayBehalfFailed if repay operation fails\n     * @custom:error RedeemBehalfFailed if redeem operation fails\n     * @custom:error InsufficientFundsToRepayFlashloan if insufficient funds to repay flash loan\n     */\n    function exitSingleAssetLeverage(\n        IVToken collateralMarket,\n        uint256 collateralAmountToFlashLoan\n    ) external;\n}\n"
    },
    "contracts/LeverageManager/LeverageStrategiesManager.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity 0.8.28;\n\nimport { Ownable2StepUpgradeable } from \"@openzeppelin/contracts-upgradeable/access/Ownable2StepUpgradeable.sol\";\nimport { ReentrancyGuardUpgradeable } from \"@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol\";\nimport { SafeERC20Upgradeable, IERC20Upgradeable } from \"@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol\";\n\nimport { IVToken, IComptroller, IFlashLoanReceiver, IProtocolShareReserve } from \"../Interfaces.sol\";\nimport { SwapHelper } from \"../SwapHelper/SwapHelper.sol\";\n\nimport { ILeverageStrategiesManager } from \"./ILeverageStrategiesManager.sol\";\n\n/**\n * @title LeverageStrategiesManager\n * @author Venus Protocol\n * @notice Contract for managing leveraged positions using flash loans and token swaps\n */\ncontract LeverageStrategiesManager is Ownable2StepUpgradeable, ReentrancyGuardUpgradeable, IFlashLoanReceiver, ILeverageStrategiesManager {\n    using SafeERC20Upgradeable for IERC20Upgradeable;\n\n    /// @notice The Venus comptroller contract for market interactions and flash loans execution\n    IComptroller public immutable COMPTROLLER;\n    \n    /// @notice The protocol share reserve where dust amounts are transferred\n    IProtocolShareReserve public immutable protocolShareReserve;\n    \n    /// @notice The swap helper contract for executing token swaps during leverage operations\n    SwapHelper public immutable swapHelper;\n\n    /// @dev Transient variable to track the current operation type during flash loan execution\n    OperationType transient operationType;\n\n    /// @dev Transient variable to store the msg.sender during flash loan execution \n    address transient operationInitiator;\n    \n    /// @dev Transient variable to store the collateral market during flash loan execution\n    IVToken transient collateralMarket;\n    \n    /// @dev Transient variable to store the collateral amount during flash loan execution\n    uint256 transient collateralAmount;\n    \n    /// @dev Transient variable to store the borrowed amount seed during flash loan execution\n    uint256 transient borrowedAmountSeed;\n    \n    /// @dev Transient variable to store the minimum amountOut expected after swap\n    uint256 transient minAmountOutAfterSwap;\n\n    /**\n     * @notice Contract constructor\n     * @dev Sets immutable variables and disables initializers for the implementation contract\n     * @param _comptroller The Venus comptroller contract address\n     * @param _protocolShareReserve The protocol share reserve contract address\n     * @param _swapHelper The swap helper contract address\n     * @custom:oz-upgrades-unsafe-allow constructor\n     */\n    constructor(IComptroller _comptroller,  IProtocolShareReserve _protocolShareReserve, SwapHelper _swapHelper) {\n        if(address(_comptroller) == address(0) || address(_protocolShareReserve) == address(0) || address(_swapHelper) == address(0)) {\n            revert ZeroAddress();\n        }\n\n        COMPTROLLER = _comptroller;\n        protocolShareReserve = _protocolShareReserve;\n        swapHelper = _swapHelper;\n        _disableInitializers();\n    }\n\n    /**\n     * @notice Initializes the contract\n     * @dev Sets up the Ownable2Step functionality. Can only be called once.\n     */\n    function initialize() external initializer {\n        __Ownable2Step_init();\n        __ReentrancyGuard_init();\n    }\n\n    /// @inheritdoc ILeverageStrategiesManager\n    function enterSingleAssetLeverage(\n        IVToken _collateralMarket,\n        uint256 _collateralAmountSeed,\n        uint256 _collateralAmountToFlashLoan\n    ) external {\n        _checkMarketListed(_collateralMarket);\n\n        _checkUserDelegated();\n        _checkAccountSafe(msg.sender);\n\n        _validateAndEnterMarket(msg.sender, _collateralMarket);\n        _transferSeedAmountFromUser(_collateralMarket, msg.sender, _collateralAmountSeed);\n\n        operationInitiator = msg.sender;\n        operationType = OperationType.ENTER_SINGLE_ASSET;\n\n        IVToken[] memory borrowedMarkets = new IVToken[](1);\n        borrowedMarkets[0] = _collateralMarket;\n        uint256[] memory flashLoanAmounts = new uint256[](1);\n        flashLoanAmounts[0] = _collateralAmountToFlashLoan;\n\n        COMPTROLLER.executeFlashLoan(\n            payable(msg.sender),\n            payable(address(this)),\n            borrowedMarkets,\n            flashLoanAmounts,\n            \"\"\n        );\n\n        emit SingleAssetLeverageEntered(\n            msg.sender,\n            _collateralMarket,\n            _collateralAmountSeed,\n            _collateralAmountToFlashLoan\n        );\n\n        _checkAccountSafe(msg.sender);\n    }\n\n\n    /// @inheritdoc ILeverageStrategiesManager\n    function enterLeverage(\n        IVToken _collateralMarket,\n        uint256 _collateralAmountSeed,\n        IVToken _borrowedMarket,\n        uint256 _borrowedAmountToFlashLoan,\n        uint256 _minAmountOutAfterSwap,\n        bytes calldata _swapData\n    ) external {\n        _checkMarketListed(_collateralMarket);\n        _checkMarketListed(_borrowedMarket);\n\n        _checkUserDelegated();\n        _checkAccountSafe(msg.sender);\n\n        _validateAndEnterMarket(msg.sender, _collateralMarket);\n        _transferSeedAmountFromUser(_collateralMarket, msg.sender, _collateralAmountSeed);\n        \n        operationInitiator = msg.sender;\n        collateralMarket = _collateralMarket;\n        collateralAmount = _collateralAmountSeed;\n        minAmountOutAfterSwap = _minAmountOutAfterSwap;\n        operationType = OperationType.ENTER_COLLATERAL;\n\n        IVToken[] memory borrowedMarkets = new IVToken[](1);\n        borrowedMarkets[0] = _borrowedMarket;\n        uint256[] memory flashLoanAmounts = new uint256[](1);\n        flashLoanAmounts[0] = _borrowedAmountToFlashLoan;\n\n        COMPTROLLER.executeFlashLoan(\n            payable(msg.sender),\n            payable(address(this)),\n            borrowedMarkets,\n            flashLoanAmounts,\n            _swapData\n        );\n\n        emit LeverageEntered(\n            msg.sender,\n            _collateralMarket,\n            _collateralAmountSeed,\n            _borrowedMarket,\n            _borrowedAmountToFlashLoan\n        );\n\n        _checkAccountSafe(msg.sender);\n    }\n\n    /// @inheritdoc ILeverageStrategiesManager\n    function enterLeverageFromBorrow(\n        IVToken _collateralMarket,\n        IVToken _borrowedMarket,\n        uint256 _borrowedAmountSeed,\n        uint256 _borrowedAmountToFlashLoan,\n        uint256 _minAmountOutAfterSwap,\n        bytes calldata _swapData\n    ) external {\n        _checkMarketListed(_collateralMarket);\n        _checkMarketListed(_borrowedMarket);\n        \n        _checkUserDelegated();\n        _checkAccountSafe(msg.sender);\n\n        _validateAndEnterMarket(msg.sender, _collateralMarket);\n        _transferSeedAmountFromUser(_borrowedMarket, msg.sender, _borrowedAmountSeed);\n\n        operationInitiator = msg.sender;\n        collateralMarket = _collateralMarket;\n        borrowedAmountSeed = _borrowedAmountSeed;\n        minAmountOutAfterSwap = _minAmountOutAfterSwap;\n        operationType = OperationType.ENTER_BORROW;\n\n        IVToken[] memory borrowedMarkets = new IVToken[](1);\n        borrowedMarkets[0] = _borrowedMarket;\n        uint256[] memory flashLoanAmounts = new uint256[](1);\n        flashLoanAmounts[0] = _borrowedAmountToFlashLoan;\n\n        COMPTROLLER.executeFlashLoan(\n            payable(msg.sender),\n            payable(address(this)),\n            borrowedMarkets,\n            flashLoanAmounts,\n            _swapData\n        );\n\n        emit LeverageEnteredFromBorrow(\n            msg.sender,\n            _collateralMarket,\n            _borrowedMarket,\n            _borrowedAmountSeed,\n            _borrowedAmountToFlashLoan\n        );\n\n        _checkAccountSafe(msg.sender);\n    }\n\n    /// @inheritdoc ILeverageStrategiesManager\n    function exitLeverage(\n        IVToken _collateralMarket,\n        uint256 _collateralAmountToRedeemForSwap,\n        IVToken _borrowedMarket,\n        uint256 _borrowedAmountToFlashLoan,\n        uint256 _minAmountOutAfterSwap,\n        bytes calldata _swapData \n    ) external {\n        _checkMarketListed(_collateralMarket);\n        _checkMarketListed(_borrowedMarket);\n\n        _checkUserDelegated();\n\n        operationInitiator = msg.sender;\n        collateralMarket = _collateralMarket;\n        collateralAmount = _collateralAmountToRedeemForSwap;\n        minAmountOutAfterSwap = _minAmountOutAfterSwap;\n        operationType = OperationType.EXIT_COLLATERAL;\n\n        IVToken[] memory borrowedMarkets = new IVToken[](1);\n        borrowedMarkets[0] = _borrowedMarket;\n        uint256[] memory flashLoanAmounts = new uint256[](1);\n        flashLoanAmounts[0] = _borrowedAmountToFlashLoan;\n\n        COMPTROLLER.executeFlashLoan(\n            payable(msg.sender),\n            payable(address(this)),\n            borrowedMarkets,\n            flashLoanAmounts,\n            _swapData\n        );\n\n        emit LeverageExited(\n            msg.sender,\n            _collateralMarket,\n            _collateralAmountToRedeemForSwap,\n            _borrowedMarket,\n            _borrowedAmountToFlashLoan\n        );\n\n        _transferDustToTreasury(_collateralMarket);\n        _transferDustToTreasury(_borrowedMarket);\n\n        _checkAccountSafe(msg.sender);\n    }\n\n    /// @inheritdoc ILeverageStrategiesManager\n    function exitSingleAssetLeverage(\n        IVToken _collateralMarket,\n        uint256 _collateralAmountToFlashLoan\n    ) external {\n        _checkMarketListed(_collateralMarket);\n        _checkUserDelegated();\n\n        operationInitiator = msg.sender;\n        collateralMarket = _collateralMarket;\n        operationType = OperationType.EXIT_SINGLE_ASSET;\n\n        IVToken[] memory borrowedMarkets = new IVToken[](1);\n        borrowedMarkets[0] = _collateralMarket;\n        uint256[] memory flashLoanAmounts = new uint256[](1);\n        flashLoanAmounts[0] = _collateralAmountToFlashLoan;\n\n        COMPTROLLER.executeFlashLoan(\n            payable(msg.sender),\n            payable(address(this)),\n            borrowedMarkets,\n            flashLoanAmounts,\n            \"\"\n        );\n\n        emit SingleAssetLeverageExited(\n            msg.sender,\n            _collateralMarket,\n            _collateralAmountToFlashLoan\n        );\n\n        _checkAccountSafe(msg.sender);\n    }\n\n    /**\n     * @notice Flash loan callback entrypoint called by Comptroller\n     * @dev Protected by nonReentrant modifier to prevent reentrancy attacks during flash loan execution\n     * @param vTokens Array with the borrowed vToken market (single element)\n     * @param amounts Array with the borrowed underlying amount (single element)\n     * @param premiums Array with the flash loan fee amount (single element)\n     * @param initiator The address that initiated the flash loan (must be this contract)\n     * @param onBehalf The user for whom debt will be opened\n     * @param param Encoded auxiliary data for the operation (e.g., swap multicall)\n     * @return success Whether the execution succeeded\n     * @return repayAmounts Amounts to approve for flash loan repayment\n     * @custom:error InitiatorMismatch When initiator is not this contract\n     * @custom:error OnBehalfMismatch When onBehalf is not the operation initiator\n     * @custom:error UnauthorizedExecutor When caller is not the Comptroller\n     * @custom:error FlashLoanAssetOrAmountMismatch When array lengths mismatch or > 1 element\n     * @custom:error InvalidExecuteOperation When operation type is unknown\n     */\n    function executeOperation(\n        IVToken[] calldata vTokens,\n        uint256[] calldata amounts,\n        uint256[] calldata premiums,\n        address initiator,\n        address onBehalf,\n        bytes calldata param\n    ) external override nonReentrant returns (bool success, uint256[] memory repayAmounts) {\n        if (msg.sender != address(COMPTROLLER)) {\n            revert UnauthorizedExecutor();\n        }\n\n        if (initiator != address(this)) {\n            revert InitiatorMismatch();\n        }\n\n        if (onBehalf != operationInitiator) {\n            revert OnBehalfMismatch();\n        }\n\n        if (vTokens.length != 1 || amounts.length != 1 || premiums.length != 1) {\n            revert FlashLoanAssetOrAmountMismatch(); \n        }\n\n        repayAmounts = new uint256[](1);\n        if(operationType == OperationType.ENTER_SINGLE_ASSET) {\n            repayAmounts[0] = _handleEnterSingleAsset(onBehalf, vTokens[0], amounts[0], premiums[0]);\n        } else if(operationType == OperationType.ENTER_COLLATERAL) {\n            repayAmounts[0] = _handleEnterCollateral(onBehalf, vTokens[0], amounts[0], premiums[0], param);\n        } else if(operationType == OperationType.ENTER_BORROW) {\n            repayAmounts[0] = _handleEnterBorrow(onBehalf, vTokens[0], amounts[0], premiums[0], param);\n        } else if(operationType == OperationType.EXIT_COLLATERAL) {\n            repayAmounts[0] = _handleExitCollateral(onBehalf,vTokens[0], amounts[0], premiums[0], param);\n        } else if(operationType == OperationType.EXIT_SINGLE_ASSET) {\n            repayAmounts[0] = _handleExitSingleAsset(onBehalf, vTokens[0], amounts[0], premiums[0]);\n        } else {\n            revert InvalidExecuteOperation();\n        }\n\n        return (true, repayAmounts);\n    }\n\n    /**\n     * @notice Executes the enter leveraged position with single collateral operation during flash loan callback\n     * @dev This function performs the following steps:\n     *      1. Combines flash loaned collateral with user's seed collateral\n     *      2. Supplies all collateral to the Venus market on behalf of the user\n     *      3. Borrows the repayment amount (fees) on behalf of the user\n     *      4. Approves the collateral asset for repayment to the flash loan\n     * @param onBehalf Address on whose behalf the operation is performed\n     * @param market The vToken market for the collateral asset\n     * @param flashloanedCollateralAmount The amount of collateral assets received from flash loan\n     * @param collateralAmountFees The fees to be paid on the flash loaned collateral amount\n     * @return collateralAssetAmountToRepay The total amount of collateral assets to repay (fees only)\n     * @custom:error MintBehalfFailed if mint behalf operation fails\n     * @custom:error BorrowBehalfFailed if borrow behalf operation fails\n     * @custom:error InsufficientFundsToRepayFlashloan if insufficient funds are available to repay the flash loan\n     */\n    function _handleEnterSingleAsset(address onBehalf, IVToken market, uint256 flashloanedCollateralAmount, uint256 collateralAmountFees) internal returns (uint256 collateralAssetAmountToRepay) {\n        IERC20Upgradeable collateralAsset = IERC20Upgradeable(market.underlying());\n\n        uint256 totalCollateralAmountToMint = flashloanedCollateralAmount + collateralAmount;\n        collateralAsset.safeApprove(address(market), totalCollateralAmountToMint);\n\n        uint256 mintSuccess = market.mintBehalf(onBehalf, totalCollateralAmountToMint);\n        if (mintSuccess != 0) {\n            revert MintBehalfFailed(mintSuccess);\n        }\n\n        collateralAssetAmountToRepay = _borrowAndRepayFlashLoanFee(onBehalf, market, collateralAsset, collateralAmountFees);\n    }\n\n    /**\n     * @notice Executes the enter leveraged position operation during flash loan callback\n     * @dev This function performs the following steps:\n     *      1. Swaps flash loaned borrowed assets for collateral assets\n     *      2. Supplies all collateral received from swap plus seed to the Venus market on behalf of the user\n     *      3. Borrows the repayment amount on behalf of the user\n     *      4. Approves the borrowed asset for repayment to the flash loan\n     * @param onBehalf Address on whose behalf the operation is performed\n     * @param borrowMarket The vToken market from which assets were borrowed\n     * @param borrowedAssetAmount The amount of borrowed assets received from flash loan\n     * @param borrowedAssetFees The fees to be paid on the borrowed asset amount\n     * @param swapCallData The encoded swap instructions for converting borrowed to collateral assets\n     * @return borrowedAssetAmountToRepay The total amount of borrowed assets to repay (fees only)\n     * @custom:error MintBehalfFailed if mint behalf operation fails\n     * @custom:error BorrowBehalfFailed if borrow behalf operation fails\n     * @custom:error TokenSwapCallFailed if token swap execution fails\n     * @custom:error SlippageExceeded if collateral balance after swap is below minimum\n     */\n    function _handleEnterCollateral(address onBehalf, IVToken borrowMarket, uint256 borrowedAssetAmount, uint256 borrowedAssetFees, bytes calldata swapCallData) internal returns (uint256 borrowedAssetAmountToRepay) {\n        IERC20Upgradeable borrowedAsset = IERC20Upgradeable(borrowMarket.underlying());\n\n        IERC20Upgradeable collateralAsset = IERC20Upgradeable(collateralMarket.underlying());\n        uint256 swappedCollateralAmountOut = _performSwap(borrowedAsset, borrowedAssetAmount, collateralAsset, minAmountOutAfterSwap, swapCallData);\n\n        uint256 collateralAmountToMint = swappedCollateralAmountOut + collateralAmount;\n        collateralAsset.safeApprove(address(collateralMarket), collateralAmountToMint);\n\n        uint256 mintSuccess = collateralMarket.mintBehalf(onBehalf, collateralAmountToMint);\n        if (mintSuccess != 0) {\n            revert MintBehalfFailed(mintSuccess);\n        }\n\n        borrowedAssetAmountToRepay = _borrowAndRepayFlashLoanFee(onBehalf, borrowMarket, borrowedAsset, borrowedAssetFees);\n    }\n\n    /**\n     * @notice Executes the enter leveraged position with borrowed assets operation during flash loan callback\n     * @dev This function performs the following steps:\n     *      1. Swaps the total borrowed assets (seed + flash loan) for collateral assets\n     *      2. Supplies all collateral received from swap to the Venus market on behalf of the user\n     *      3. Borrows the repayment amount on behalf of the user\n     *      4. Approves the borrowed asset for repayment to the flash loan\n     * @param onBehalf Address on whose behalf the operation is performed\n     * @param borrowMarket The vToken market from which assets were borrowed\n     * @param borrowedAssetAmount The amount of borrowed assets received from flash loan\n     * @param borrowedAssetFees The fees to be paid on the borrowed asset amount\n     * @param swapCallData The encoded swap instructions for converting borrowed to collateral assets\n     * @return borrowedAssetAmountToRepay The total amount of borrowed assets to repay (fees only)\n     * @custom:error MintBehalfFailed if mint behalf operation fails\n     * @custom:error BorrowBehalfFailed if borrow behalf operation fails\n     * @custom:error TokenSwapCallFailed if token swap execution fails\n     * @custom:error SlippageExceeded if collateral balance after swap is below minimum\n     */\n    function _handleEnterBorrow(address onBehalf, IVToken borrowMarket, uint256 borrowedAssetAmount, uint256 borrowedAssetFees, bytes calldata swapCallData) internal returns (uint256 borrowedAssetAmountToRepay) {\n        IERC20Upgradeable borrowedAsset = IERC20Upgradeable(borrowMarket.underlying());\n        IERC20Upgradeable collateralAsset = IERC20Upgradeable(collateralMarket.underlying());\n\n        uint256 totalBorrowedAmountToSwap = borrowedAmountSeed + borrowedAssetAmount;\n\n        uint256 swappedCollateralAmountOut = _performSwap(borrowedAsset, totalBorrowedAmountToSwap, collateralAsset, minAmountOutAfterSwap, swapCallData);\n\n        collateralAsset.safeApprove(address(collateralMarket), swappedCollateralAmountOut);\n\n        uint256 mintSuccess = collateralMarket.mintBehalf(onBehalf, swappedCollateralAmountOut);\n        if (mintSuccess != 0) {\n            revert MintBehalfFailed(mintSuccess);\n        }\n\n        borrowedAssetAmountToRepay = _borrowAndRepayFlashLoanFee(onBehalf, borrowMarket, borrowedAsset, borrowedAssetFees);\n    }\n\n    /**\n     * @notice Executes the exit leveraged position operation during flash loan callback\n     * @dev This function performs the following steps:\n     *      1. Uses borrowed assets to repay user's debt in the borrowed market\n     *      2. Redeems specified amount of collateral from the Venus market\n     *      3. Swaps collateral assets for borrowed assets\n     *      4. Approves the borrowed asset for repayment to the flash loan\n     * @param onBehalf Address on whose behalf the operation is performed\n     * @param borrowMarket The vToken market from which assets were borrowed via flash loan\n     * @param borrowedAssetAmountToRepayFromFlashLoan The amount borrowed via flash loan for debt repayment\n     * @param borrowedAssetFees The fees to be paid on the borrowed asset amount\n     * @param swapCallData The encoded swap instructions for converting collateral to borrowed assets\n     * @return borrowedAssetAmountToRepay The total amount of borrowed assets to repay\n     * @custom:error RepayBehalfFailed if repayment of borrowed assets fails\n     * @custom:error RedeemBehalfFailed if redeem operations fail\n     * @custom:error TokenSwapCallFailed if token swap execution fails\n     * @custom:error SlippageExceeded if swap output is below minimum required\n     * @custom:error InsufficientFundsToRepayFlashloan if insufficient funds are available to repay the flash loan\n     */\n    function _handleExitCollateral(address onBehalf, IVToken borrowMarket, uint256 borrowedAssetAmountToRepayFromFlashLoan, uint256 borrowedAssetFees, bytes calldata swapCallData) internal returns (uint256 borrowedAssetAmountToRepay) {\n        IERC20Upgradeable borrowedAsset = IERC20Upgradeable(borrowMarket.underlying());\n\n        borrowedAsset.safeApprove(address(borrowMarket), borrowedAssetAmountToRepayFromFlashLoan);\n        uint256 repaySuccess = borrowMarket.repayBorrowBehalf(onBehalf, borrowedAssetAmountToRepayFromFlashLoan);\n\n        if (repaySuccess != 0) {\n            revert RepayBehalfFailed(repaySuccess);\n        }\n\n        uint256 minCollateralAmountInForSwap = collateralAmount;\n\n        uint256 redeemSuccess = collateralMarket.redeemUnderlyingBehalf(onBehalf, minCollateralAmountInForSwap);\n        if (redeemSuccess != 0) {\n            revert RedeemBehalfFailed(redeemSuccess);\n        }\n        \n        IERC20Upgradeable collateralAsset = IERC20Upgradeable(collateralMarket.underlying());\n        uint256 swappedBorrowedAmountOut = _performSwap(collateralAsset, minCollateralAmountInForSwap, borrowedAsset, minAmountOutAfterSwap, swapCallData);\n\n        borrowedAssetAmountToRepay = borrowedAssetAmountToRepayFromFlashLoan + borrowedAssetFees;\n\n        if (swappedBorrowedAmountOut < borrowedAssetAmountToRepay) {\n            revert InsufficientFundsToRepayFlashloan();\n        }\n\n       borrowedAsset.safeApprove(address(borrowMarket), borrowedAssetAmountToRepay);\n    }\n\n    /**\n     * @notice Executes the exit leveraged position with single collateral operation during flash loan callback\n     * @dev This function performs the following steps:\n     *      1. Uses flash loaned collateral to repay user's debt in the same market\n     *      2. Redeems specified amount of collateral from the Venus market\n     *      3. Approves the collateral asset for repayment to the flash loan\n     * @param onBehalf Address on whose behalf the operation is performed\n     * @param market The vToken market for both collateral and borrowed assets\n     * @param flashloanedCollateralAmount The amount borrowed via flash loan for debt repayment\n     * @param collateralAmountFees The fees to be paid on the flash loaned collateral amount\n     * @return collateralAssetAmountToRepay The total amount of collateral assets to repay\n     * @custom:error RepayBehalfFailed if repayment of borrowed assets fails\n     * @custom:error RedeemBehalfFailed if redeem operations fail\n     * @custom:error InsufficientFundsToRepayFlashloan if insufficient funds are available to repay the flash loan\n     */\n    function _handleExitSingleAsset(address onBehalf, IVToken market, uint256 flashloanedCollateralAmount, uint256 collateralAmountFees) internal returns (uint256 collateralAssetAmountToRepay) {\n        IERC20Upgradeable collateralAsset = IERC20Upgradeable(market.underlying());\n\n        collateralAsset.safeApprove(address(market), flashloanedCollateralAmount);\n        uint256 repaySuccess = market.repayBorrowBehalf(onBehalf, flashloanedCollateralAmount);\n\n        if (repaySuccess != 0) {\n            revert RepayBehalfFailed(repaySuccess);\n        }\n\n        uint256 collateralAmountToRedeem = flashloanedCollateralAmount + collateralAmountFees;\n\n        uint256 redeemSuccess = market.redeemUnderlyingBehalf(onBehalf, collateralAmountToRedeem);\n        if (redeemSuccess != 0) {\n            revert RedeemBehalfFailed(redeemSuccess);\n        }\n\n        collateralAssetAmountToRepay = flashloanedCollateralAmount + collateralAmountFees;\n\n        if (collateralAsset.balanceOf(address(this)) < collateralAssetAmountToRepay) {\n            revert InsufficientFundsToRepayFlashloan();\n        }\n\n        collateralAsset.safeApprove(address(market), collateralAssetAmountToRepay);\n    }\n\n    /**\n     * @notice Performs token swap via the SwapHelper contract\n     * @dev Transfers tokens to SwapHelper and executes the swap operation.\n     *      The swap operation is expected to return the output tokens to this contract.\n     * @param tokenIn The input token to be swapped\n     * @param amountIn The amount of input tokens to swap\n     * @param tokenOut The output token to receive from the swap\n     * @param minAmountOut The minimum acceptable amount of output tokens\n     * @param param The encoded swap instructions/calldata for the SwapHelper\n     * @return amountOut The actual amount of output tokens received from the swap\n     * @custom:error TokenSwapCallFailed if the swap execution fails\n     * @custom:error InsufficientAmountOutAfterSwap if the swap output is below the minimum required\n     */\n    function _performSwap(IERC20Upgradeable tokenIn, uint256 amountIn, IERC20Upgradeable tokenOut, uint256 minAmountOut, bytes calldata param) internal returns (uint256 amountOut) {\n        tokenIn.safeTransfer(address(swapHelper), amountIn);\n\n        uint256 tokenOutBalanceBefore = tokenOut.balanceOf(address(this));\n\n        (bool success,) = address(swapHelper).call(param);\n        if(!success) {\n            revert TokenSwapCallFailed();\n        }\n\n        uint256 tokenOutBalanceAfter = tokenOut.balanceOf(address(this));\n\n        amountOut = tokenOutBalanceAfter - tokenOutBalanceBefore;\n        if(amountOut < minAmountOut) {\n            revert SlippageExceeded();\n        }\n\n        return amountOut;\n    }\n\n    /**\n     * @notice Transfers tokens from the user to this contract if amount > 0\n     * @dev If the specified amount is greater than zero, transfers tokens from the user.\n     *      Reverts if the actual transferred amount does not match the expected amount.\n     * @param market The vToken market whose underlying asset is to be transferred\n     * @param user The address of the user to transfer tokens from\n     * @param amount The amount of tokens to transfer\n     * @custom:error TransferFromUserFailed if the transferred amount does not match the expected amount\n     */\n    function _transferSeedAmountFromUser(IVToken market, address user, uint256 amount) internal {\n        if(amount > 0) {\n            IERC20Upgradeable token = IERC20Upgradeable(market.underlying());\n            token.safeTransferFrom(user, address(this), amount);\n        }\n    }\n\n    /**\n     * @notice Transfers any remaining dust amounts to the protocol share reserve\n     * @dev This function cleans up small remaining balances after operations and\n     *      updates the protocol share reserve's asset state for proper accounting.\n     * @param market The vToken market whose underlying asset dust should be transferred\n     */\n    function _transferDustToTreasury(IVToken market) internal {\n        IERC20Upgradeable asset = IERC20Upgradeable(market.underlying());\n\n        uint256 dustAmount = asset.balanceOf(address(this));\n        if(dustAmount > 0) {\n            asset.safeTransfer(address(protocolShareReserve), dustAmount);\n            protocolShareReserve.updateAssetsState(address(COMPTROLLER), address(asset), IProtocolShareReserve.IncomeType.FLASHLOAN);\n        }\n    }\n\n    /**\n     * @notice Borrows assets on behalf of the user to repay the flash loan fee\n     * @dev Borrows the total amount needed to repay the flash loan fee\n     *      and approves the borrowed asset for repayment to the flash loan.\n     * @param onBehalf Address on whose behalf assets will be borrowed\n     * @param borrowMarket The vToken market from which assets will be borrowed\n     * @param borrowedAsset The underlying asset being borrowed\n     * @param borrowedAssetFees The fees to be paid on the borrowed asset amount\n     * @return borrowedAssetAmountToRepay The total amount of borrowed assets to repay (only fees)\n     * @custom:error InsufficientFundsToRepayFlashloan if insufficient funds are available to repay the flash loan\n     * @custom:error EnterLeveragePositionBorrowBehalfFailed if borrow behalf operation fails\n     */\n    function _borrowAndRepayFlashLoanFee(address onBehalf, IVToken borrowMarket, IERC20Upgradeable borrowedAsset, uint256 borrowedAssetFees) internal returns (uint256 borrowedAssetAmountToRepay) {\n        borrowedAssetAmountToRepay = borrowedAssetFees;\n\n        uint256 marketBalanceBeforeBorrow = borrowedAsset.balanceOf(address(borrowMarket));\n        uint256 borrowSuccess = borrowMarket.borrowBehalf(onBehalf, borrowedAssetAmountToRepay);\n        if (borrowSuccess != 0) {\n            revert BorrowBehalfFailed(borrowSuccess);\n        }\n        uint256 marketBalanceAfterBorrow = borrowedAsset.balanceOf(address(borrowMarket));\n\n        if (marketBalanceBeforeBorrow - marketBalanceAfterBorrow < borrowedAssetAmountToRepay) {\n            revert InsufficientFundsToRepayFlashloan();\n        }\n\n        borrowedAsset.safeApprove(address(borrowMarket), borrowedAssetAmountToRepay);\n    }\n\n    /**\n     * @notice Checks if the caller authorized this contract as a delegate for them\n     * @custom:error NotAnApprovedDelegate if caller is neither the user nor an approved delegate\n     */\n    function _checkUserDelegated() internal view {\n        if (!COMPTROLLER.approvedDelegates(msg.sender, address(this))) {\n            revert NotAnApprovedDelegate();\n        }\n    }\n\n    /**\n     * @notice Checks if a `user` account remains safe after leverage operations\n     * @dev Verifies that the user's account has no liquidity shortfall and the comptroller\n     *      returned no errors when calculating account liquidity. This ensures the account\n     *      won't be immediately liquidatable after the leverage operation.\n     * @param user The address to check account safety for\n     * @custom:error LeverageCausesLiquidation if the account has a liquidity shortfall or comptroller error\n     */\n    function _checkAccountSafe(address user) internal view {\n        (uint256 err, , uint256 shortfall) = COMPTROLLER.getBorrowingPower(user);\n        if (err != 0 || shortfall > 0) revert OperationCausesLiquidation();\n    }\n\n    /**\n     * @notice Ensures the user has entered the market before operations\n     * @dev If user is not a member of market the function calls Comptroller to enter market on behalf of user\n     * @param user The account for which membership is validated/updated\n     * @param market The vToken market the user must enter \n     * @custom:error EnterMarketFailed when Comptroller.enterMarketBehalf returns a non-zero error code\n     */\n    function _validateAndEnterMarket(address user, IVToken market) internal {\n        if (!COMPTROLLER.checkMembership(user, market)) {\n            uint256 err = COMPTROLLER.enterMarketBehalf(user, address(market));\n            if (err != 0) revert EnterMarketFailed(err);\n        }\n    }\n\n    /**\n     * @dev Ensures that the given market is listed in the Comptroller\n     * @param market The vToken address to validate\n     * @custom:error MarketNotListed if the market is not listed in Comptroller\n     */\n    function _checkMarketListed(IVToken market) internal view {\n        (bool isMarketListed, , ) = COMPTROLLER.markets(address(market));\n        if (!isMarketListed) revert MarketNotListed(address(market));\n    }\n}\n"
    },
    "contracts/SwapHelper/SwapHelper.sol": {
      "content": "// SPDX-License-Identifier: BSD-3-Clause\npragma solidity 0.8.28;\n\nimport { SafeERC20Upgradeable, IERC20Upgradeable } from \"@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol\";\nimport { AddressUpgradeable } from \"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol\";\nimport { EIP712 } from \"@openzeppelin/contracts/utils/cryptography/EIP712.sol\";\nimport { ECDSA } from \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\nimport { Ownable } from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport { ReentrancyGuard } from \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\n\n/**\n * @title SwapHelper\n * @author Venus Protocol\n * @notice Helper contract for executing multiple token operations atomically\n * @dev This contract provides utilities for managing approvals,\n *      and executing arbitrary calls in a single transaction. It supports\n *      signature verification using EIP-712 for backend-authorized operations.\n *      All functions except multicall are designed to be called internally via multicall.\n * @custom:security-contact security@venus.io\n */\ncontract SwapHelper is EIP712, Ownable, ReentrancyGuard {\n    using SafeERC20Upgradeable for IERC20Upgradeable;\n    using AddressUpgradeable for address;\n\n    /// @notice EIP-712 typehash for Multicall struct used in signature verification\n    /// @dev keccak256(\"Multicall(bytes[] calls,uint256 deadline,bytes32 salt)\")\n    bytes32 internal constant MULTICALL_TYPEHASH = keccak256(\"Multicall(bytes[] calls,uint256 deadline,bytes32 salt)\");\n\n    /// @notice Address authorized to sign multicall operations\n    /// @dev Can be updated by contract owner via setBackendSigner\n    address public backendSigner;\n\n    /// @notice Mapping to track used salts for replay protection\n    /// @dev Maps salt => bool to prevent reuse of same salt\n    mapping(bytes32 => bool) public usedSalts;\n\n    /// @notice Error thrown when transaction deadline has passed\n    /// @dev Emitted when block.timestamp > deadline in multicall\n    error DeadlineReached();\n\n    /// @notice Error thrown when signature verification fails\n    /// @dev Emitted when recovered signer doesn't match backendSigner\n    error Unauthorized();\n\n    /// @notice Error thrown when zero address is provided as parameter\n    /// @dev Used in constructor and setBackendSigner validation\n    error ZeroAddress();\n\n    /// @notice Error thrown when salt has already been used\n    /// @dev Prevents replay attacks by ensuring each salt is used only once\n    error SaltAlreadyUsed();\n\n    /// @notice Error thrown when caller is not authorized\n    /// @dev Only owner or contract itself can call protected functions\n    error CallerNotAuthorized();\n\n    /// @notice Error thrown when no calls are provided to multicall\n    /// @dev Emitted when calls array is empty in multicall\n    error NoCallsProvided();\n\n    /// @notice Error thrown when signature is missing but required\n    /// @dev Emitted when signature length is zero but verification is expected\n    error MissingSignature();\n\n    /// @notice Event emitted when backend signer is updated\n    /// @param oldSigner Previous backend signer address\n    /// @param newSigner New backend signer address\n    event BackendSignerUpdated(address indexed oldSigner, address indexed newSigner);\n\n    /// @notice Event emitted when multicall is successfully executed\n    /// @param caller Address that initiated the multicall\n    /// @param callsCount Number of calls executed in the batch\n    /// @param deadline Deadline timestamp used for the operation\n    /// @param salt Salt used for replay protection\n    event MulticallExecuted(address indexed caller, uint256 callsCount, uint256 deadline, bytes32 salt);\n\n    /// @notice Event emitted when tokens are swept from the contract\n    /// @param token Address of the token swept\n    /// @param to Recipient address\n    /// @param amount Amount of tokens swept\n    event Swept(address indexed token, address indexed to, uint256 amount);\n\n    /// @notice Event emitted when maximum approval is granted\n    /// @param token Address of the token approved\n    /// @param spender Address granted the approval\n    event ApprovedMax(address indexed token, address indexed spender);\n\n    /// @notice Event emitted when generic call is executed\n    /// @param target Address of the contract called\n    /// @param data Encoded function call data\n    event GenericCallExecuted(address indexed target, bytes data);\n\n    /// @notice Constructor\n    /// @param backendSigner_ Address authorized to sign multicall operations\n    /// @dev Initializes EIP-712 domain with name \"VenusSwap\" and version \"1\"\n    /// @dev Transfers ownership to msg.sender\n    /// @dev Reverts with ZeroAddress if parameter is address(0)\n    /// @custom:error ZeroAddress if backendSigner_ is address(0)\n    constructor(address backendSigner_) EIP712(\"VenusSwap\", \"1\") {\n        if (backendSigner_ == address(0)) {\n            revert ZeroAddress();\n        }\n\n        backendSigner = backendSigner_;\n    }\n\n    /// @notice Modifier to restrict access to owner or contract itself\n    /// @dev Reverts with CallerNotAuthorized if caller is neither owner nor this contract\n    modifier onlyOwnerOrSelf() {\n        if (msg.sender != owner() && msg.sender != address(this)) {\n            revert CallerNotAuthorized();\n        }\n        _;\n    }\n\n    /// @notice Multicall function to execute multiple calls in a single transaction\n    /// @param calls Array of encoded function calls to execute on this contract\n    /// @param deadline Unix timestamp after which the transaction will revert\n    /// @param salt Unique value to ensure this exact multicall can only be executed once\n    /// @param signature Optional EIP-712 signature from backend signer\n    /// @dev All calls are executed atomically - if any call fails, entire transaction reverts\n    /// @dev Calls must be to functions on this contract (address(this))\n    /// @dev Signature verification is only performed if signature.length != 0\n    /// @dev Protected by nonReentrant modifier to prevent reentrancy attacks\n    /// @custom:event MulticallExecuted emitted upon successful execution\n    /// @custom:security Only the contract itself can call sweep, approveMax, and genericCall\n    /// @custom:error NoCallsProvided if calls array is empty\n    /// @custom:error DeadlineReached if block.timestamp > deadline\n    /// @custom:error SaltAlreadyUsed if salt has been used before\n    /// @custom:error Unauthorized if signature verification fails\n    function multicall(\n        bytes[] calldata calls,\n        uint256 deadline,\n        bytes32 salt,\n        bytes calldata signature\n    ) external nonReentrant {\n        if (calls.length == 0) {\n            revert NoCallsProvided();\n        }\n\n        if (block.timestamp > deadline) {\n            revert DeadlineReached();\n        }\n\n        if (signature.length == 0) {\n            revert MissingSignature();\n        }\n        if (usedSalts[salt]) {\n            revert SaltAlreadyUsed();\n        }\n        usedSalts[salt] = true;\n\n        bytes32 digest = _hashMulticall(calls, deadline, salt);\n        address signer = ECDSA.recover(digest, signature);\n        if (signer != backendSigner) {\n            revert Unauthorized();\n        }\n\n        for (uint256 i = 0; i < calls.length; i++) {\n            (bool success, bytes memory returnData) = address(this).call(calls[i]);\n            if (!success) {\n                assembly {\n                    revert(add(returnData, 0x20), mload(returnData))\n                }\n            }\n        }\n\n        emit MulticallExecuted(msg.sender, calls.length, deadline, salt);\n    }\n\n    /// @notice Generic call function to execute a call to an arbitrary address\n    /// @param target Address of the contract to call\n    /// @param data Encoded function call data\n    /// @dev This function can interact with any external contract\n    /// @dev Should only be called via multicall for safety\n    /// @custom:security Use with extreme caution - can call any contract with any data\n    /// @custom:security Ensure proper validation of target and data in off-chain systems\n    /// @custom:error CallerNotAuthorized if caller is not owner or contract itself\n    function genericCall(address target, bytes calldata data) external onlyOwnerOrSelf {\n        target.functionCall(data);\n        emit GenericCallExecuted(target, data);\n    }\n\n    /// @notice Sweeps entire balance of an ERC-20 token to a specified address\n    /// @param token ERC-20 token contract to sweep\n    /// @param to Recipient address for the swept tokens\n    /// @dev Transfers the entire balance of token held by this contract\n    /// @dev Uses SafeERC20 for safe transfer operations\n    /// @dev Should only be called via multicall\n    /// @custom:error CallerNotAuthorized if caller is not owner or contract itself\n    function sweep(IERC20Upgradeable token, address to) external onlyOwnerOrSelf {\n        uint256 amount = token.balanceOf(address(this));\n        if (amount > 0) {\n            token.safeTransfer(to, amount);\n        }\n        emit Swept(address(token), to, amount);\n    }\n\n    /// @notice Approves maximum amount of an ERC-20 token to a specified spender\n    /// @param token ERC-20 token contract to approve\n    /// @param spender Address to grant approval to\n    /// @dev Sets approval to type(uint256).max for unlimited spending\n    /// @dev Uses forceApprove to handle tokens that require 0 approval first\n    /// @dev Should only be called via multicall\n    /// @custom:security Grants unlimited approval - ensure spender is trusted\n    /// @custom:error CallerNotAuthorized if caller is not owner or contract itself\n    function approveMax(IERC20Upgradeable token, address spender) external onlyOwnerOrSelf {\n        token.forceApprove(spender, type(uint256).max);\n        emit ApprovedMax(address(token), spender);\n    }\n\n    /// @notice Updates the backend signer address\n    /// @param newSigner New backend signer address\n    /// @dev Only callable by contract owner\n    /// @dev Reverts with ZeroAddress if newSigner is address(0)\n    /// @dev Emits BackendSignerUpdated event\n    /// @custom:error ZeroAddress if newSigner is address(0)\n    /// @custom:error Ownable: caller is not the owner (from OpenZeppelin Ownable)\n    function setBackendSigner(address newSigner) external onlyOwner {\n        if (newSigner == address(0)) {\n            revert ZeroAddress();\n        }\n\n        emit BackendSignerUpdated(backendSigner, newSigner);\n        backendSigner = newSigner;\n    }\n\n    /// @notice Produces an EIP-712 digest of the multicall data\n    /// @param calls Array of encoded function calls\n    /// @param deadline Unix timestamp deadline\n    /// @param salt Unique value to ensure replay protection\n    /// @return EIP-712 typed data hash for signature verification\n    /// @dev Hashes each call individually, then encodes with MULTICALL_TYPEHASH, deadline, and salt\n    /// @dev Uses EIP-712 _hashTypedDataV4 for domain-separated hashing\n    function _hashMulticall(bytes[] calldata calls, uint256 deadline, bytes32 salt) internal view returns (bytes32) {\n        bytes32[] memory callHashes = new bytes32[](calls.length);\n        for (uint256 i = 0; i < calls.length; i++) {\n            callHashes[i] = keccak256(calls[i]);\n        }\n        return\n            _hashTypedDataV4(\n                keccak256(abi.encode(MULTICALL_TYPEHASH, keccak256(abi.encodePacked(callHashes)), deadline, salt))\n            );\n    }\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor (address initialOwner) {\n        _transferOwnership(initialOwner);\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n        _;\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/interfaces/draft-IERC1822.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0-rc.0) (interfaces/draft-IERC1822.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified\n * proxy whose upgrades are fully controlled by the current implementation.\n */\ninterface IERC1822Proxiable {\n    /**\n     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation\n     * address.\n     *\n     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks\n     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this\n     * function revert if invoked through a proxy.\n     */\n    function proxiableUUID() external view returns (bytes32);\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/proxy/beacon/IBeacon.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This is the interface that {BeaconProxy} expects of its beacon.\n */\ninterface IBeacon {\n    /**\n     * @dev Must return an address that can be used as a delegate call target.\n     *\n     * {BeaconProxy} will check that this address is a contract.\n     */\n    function implementation() external view returns (address);\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/proxy/ERC1967/ERC1967Proxy.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../Proxy.sol\";\nimport \"./ERC1967Upgrade.sol\";\n\n/**\n * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an\n * implementation address that can be changed. This address is stored in storage in the location specified by\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the\n * implementation behind the proxy.\n */\ncontract ERC1967Proxy is Proxy, ERC1967Upgrade {\n    /**\n     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.\n     *\n     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded\n     * function call, and allows initializating the storage of the proxy like a Solidity constructor.\n     */\n    constructor(address _logic, bytes memory _data) payable {\n        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256(\"eip1967.proxy.implementation\")) - 1));\n        _upgradeToAndCall(_logic, _data, false);\n    }\n\n    /**\n     * @dev Returns the current implementation address.\n     */\n    function _implementation() internal view virtual override returns (address impl) {\n        return ERC1967Upgrade._getImplementation();\n    }\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/proxy/ERC1967/ERC1967Upgrade.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0-rc.0) (proxy/ERC1967/ERC1967Upgrade.sol)\n\npragma solidity ^0.8.2;\n\nimport \"../beacon/IBeacon.sol\";\nimport \"../../interfaces/draft-IERC1822.sol\";\nimport \"../../utils/Address.sol\";\nimport \"../../utils/StorageSlot.sol\";\n\n/**\n * @dev This abstract contract provides getters and event emitting update functions for\n * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.\n *\n * _Available since v4.1._\n *\n * @custom:oz-upgrades-unsafe-allow delegatecall\n */\nabstract contract ERC1967Upgrade {\n    // This is the keccak-256 hash of \"eip1967.proxy.rollback\" subtracted by 1\n    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;\n\n    /**\n     * @dev Storage slot with the address of the current implementation.\n     * This is the keccak-256 hash of \"eip1967.proxy.implementation\" subtracted by 1, and is\n     * validated in the constructor.\n     */\n    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n\n    /**\n     * @dev Emitted when the implementation is upgraded.\n     */\n    event Upgraded(address indexed implementation);\n\n    /**\n     * @dev Returns the current implementation address.\n     */\n    function _getImplementation() internal view returns (address) {\n        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new address in the EIP1967 implementation slot.\n     */\n    function _setImplementation(address newImplementation) private {\n        require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n    }\n\n    /**\n     * @dev Perform implementation upgrade\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeTo(address newImplementation) internal {\n        _setImplementation(newImplementation);\n        emit Upgraded(newImplementation);\n    }\n\n    /**\n     * @dev Perform implementation upgrade with additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCall(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        _upgradeTo(newImplementation);\n        if (data.length > 0 || forceCall) {\n            Address.functionDelegateCall(newImplementation, data);\n        }\n    }\n\n    /**\n     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.\n     *\n     * Emits an {Upgraded} event.\n     */\n    function _upgradeToAndCallUUPS(\n        address newImplementation,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        // Upgrades from old implementations will perform a rollback test. This test requires the new\n        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing\n        // this special case will break upgrade paths from old UUPS implementation to new ones.\n        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {\n            _setImplementation(newImplementation);\n        } else {\n            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {\n                require(slot == _IMPLEMENTATION_SLOT, \"ERC1967Upgrade: unsupported proxiableUUID\");\n            } catch {\n                revert(\"ERC1967Upgrade: new implementation is not UUPS\");\n            }\n            _upgradeToAndCall(newImplementation, data, forceCall);\n        }\n    }\n\n    /**\n     * @dev Storage slot with the admin of the contract.\n     * This is the keccak-256 hash of \"eip1967.proxy.admin\" subtracted by 1, and is\n     * validated in the constructor.\n     */\n    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;\n\n    /**\n     * @dev Emitted when the admin account has changed.\n     */\n    event AdminChanged(address previousAdmin, address newAdmin);\n\n    /**\n     * @dev Returns the current admin.\n     */\n    function _getAdmin() internal view virtual returns (address) {\n        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new address in the EIP1967 admin slot.\n     */\n    function _setAdmin(address newAdmin) private {\n        require(newAdmin != address(0), \"ERC1967: new admin is the zero address\");\n        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;\n    }\n\n    /**\n     * @dev Changes the admin of the proxy.\n     *\n     * Emits an {AdminChanged} event.\n     */\n    function _changeAdmin(address newAdmin) internal {\n        emit AdminChanged(_getAdmin(), newAdmin);\n        _setAdmin(newAdmin);\n    }\n\n    /**\n     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.\n     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.\n     */\n    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;\n\n    /**\n     * @dev Emitted when the beacon is upgraded.\n     */\n    event BeaconUpgraded(address indexed beacon);\n\n    /**\n     * @dev Returns the current beacon.\n     */\n    function _getBeacon() internal view returns (address) {\n        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;\n    }\n\n    /**\n     * @dev Stores a new beacon in the EIP1967 beacon slot.\n     */\n    function _setBeacon(address newBeacon) private {\n        require(Address.isContract(newBeacon), \"ERC1967: new beacon is not a contract\");\n        require(Address.isContract(IBeacon(newBeacon).implementation()), \"ERC1967: beacon implementation is not a contract\");\n        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;\n    }\n\n    /**\n     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does\n     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).\n     *\n     * Emits a {BeaconUpgraded} event.\n     */\n    function _upgradeBeaconToAndCall(\n        address newBeacon,\n        bytes memory data,\n        bool forceCall\n    ) internal {\n        _setBeacon(newBeacon);\n        emit BeaconUpgraded(newBeacon);\n        if (data.length > 0 || forceCall) {\n            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);\n        }\n    }\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/proxy/Proxy.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0-rc.0) (proxy/Proxy.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM\n * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to\n * be specified by overriding the virtual {_implementation} function.\n *\n * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a\n * different contract through the {_delegate} function.\n *\n * The success and return data of the delegated call will be returned back to the caller of the proxy.\n */\nabstract contract Proxy {\n    /**\n     * @dev Delegates the current call to `implementation`.\n     *\n     * This function does not return to its internal call site, it will return directly to the external caller.\n     */\n    function _delegate(address implementation) internal virtual {\n        assembly {\n            // Copy msg.data. We take full control of memory in this inline assembly\n            // block because it will not return to Solidity code. We overwrite the\n            // Solidity scratch pad at memory position 0.\n            calldatacopy(0, 0, calldatasize())\n\n            // Call the implementation.\n            // out and outsize are 0 because we don't know the size yet.\n            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)\n\n            // Copy the returned data.\n            returndatacopy(0, 0, returndatasize())\n\n            switch result\n            // delegatecall returns 0 on error.\n            case 0 {\n                revert(0, returndatasize())\n            }\n            default {\n                return(0, returndatasize())\n            }\n        }\n    }\n\n    /**\n     * @dev This is a virtual function that should be overriden so it returns the address to which the fallback function\n     * and {_fallback} should delegate.\n     */\n    function _implementation() internal view virtual returns (address);\n\n    /**\n     * @dev Delegates the current call to the address returned by `_implementation()`.\n     *\n     * This function does not return to its internall call site, it will return directly to the external caller.\n     */\n    function _fallback() internal virtual {\n        _beforeFallback();\n        _delegate(_implementation());\n    }\n\n    /**\n     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other\n     * function in the contract matches the call data.\n     */\n    fallback() external payable virtual {\n        _fallback();\n    }\n\n    /**\n     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data\n     * is empty.\n     */\n    receive() external payable virtual {\n        _fallback();\n    }\n\n    /**\n     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`\n     * call, or as part of the Solidity `fallback` or `receive` functions.\n     *\n     * If overriden should call `super._beforeFallback()`.\n     */\n    function _beforeFallback() internal virtual {}\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/proxy/transparent/ProxyAdmin.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/transparent/ProxyAdmin.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./TransparentUpgradeableProxy.sol\";\nimport \"../../access/Ownable.sol\";\n\n/**\n * @dev This is an auxiliary contract meant to be assigned as the admin of a {TransparentUpgradeableProxy}. For an\n * explanation of why you would want to use this see the documentation for {TransparentUpgradeableProxy}.\n */\ncontract ProxyAdmin is Ownable {\n\n    constructor (address initialOwner) Ownable(initialOwner) {}\n\n    /**\n     * @dev Returns the current implementation of `proxy`.\n     *\n     * Requirements:\n     *\n     * - This contract must be the admin of `proxy`.\n     */\n    function getProxyImplementation(TransparentUpgradeableProxy proxy) public view virtual returns (address) {\n        // We need to manually run the static call since the getter cannot be flagged as view\n        // bytes4(keccak256(\"implementation()\")) == 0x5c60da1b\n        (bool success, bytes memory returndata) = address(proxy).staticcall(hex\"5c60da1b\");\n        require(success);\n        return abi.decode(returndata, (address));\n    }\n\n    /**\n     * @dev Returns the current admin of `proxy`.\n     *\n     * Requirements:\n     *\n     * - This contract must be the admin of `proxy`.\n     */\n    function getProxyAdmin(TransparentUpgradeableProxy proxy) public view virtual returns (address) {\n        // We need to manually run the static call since the getter cannot be flagged as view\n        // bytes4(keccak256(\"admin()\")) == 0xf851a440\n        (bool success, bytes memory returndata) = address(proxy).staticcall(hex\"f851a440\");\n        require(success);\n        return abi.decode(returndata, (address));\n    }\n\n    /**\n     * @dev Changes the admin of `proxy` to `newAdmin`.\n     *\n     * Requirements:\n     *\n     * - This contract must be the current admin of `proxy`.\n     */\n    function changeProxyAdmin(TransparentUpgradeableProxy proxy, address newAdmin) public virtual onlyOwner {\n        proxy.changeAdmin(newAdmin);\n    }\n\n    /**\n     * @dev Upgrades `proxy` to `implementation`. See {TransparentUpgradeableProxy-upgradeTo}.\n     *\n     * Requirements:\n     *\n     * - This contract must be the admin of `proxy`.\n     */\n    function upgrade(TransparentUpgradeableProxy proxy, address implementation) public virtual onlyOwner {\n        proxy.upgradeTo(implementation);\n    }\n\n    /**\n     * @dev Upgrades `proxy` to `implementation` and calls a function on the new implementation. See\n     * {TransparentUpgradeableProxy-upgradeToAndCall}.\n     *\n     * Requirements:\n     *\n     * - This contract must be the admin of `proxy`.\n     */\n    function upgradeAndCall(\n        TransparentUpgradeableProxy proxy,\n        address implementation,\n        bytes memory data\n    ) public payable virtual onlyOwner {\n        proxy.upgradeToAndCall{value: msg.value}(implementation, data);\n    }\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/proxy/transparent/TransparentUpgradeableProxy.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/transparent/TransparentUpgradeableProxy.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC1967/ERC1967Proxy.sol\";\n\n/**\n * @dev This contract implements a proxy that is upgradeable by an admin.\n *\n * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector\n * clashing], which can potentially be used in an attack, this contract uses the\n * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two\n * things that go hand in hand:\n *\n * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if\n * that call matches one of the admin functions exposed by the proxy itself.\n * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the\n * implementation. If the admin tries to call a function on the implementation it will fail with an error that says\n * \"admin cannot fallback to proxy target\".\n *\n * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing\n * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due\n * to sudden errors when trying to call a function from the proxy implementation.\n *\n * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,\n * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.\n */\ncontract TransparentUpgradeableProxy is ERC1967Proxy {\n    /**\n     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and\n     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.\n     */\n    constructor(\n        address _logic,\n        address admin_,\n        bytes memory _data\n    ) payable ERC1967Proxy(_logic, _data) {\n        assert(_ADMIN_SLOT == bytes32(uint256(keccak256(\"eip1967.proxy.admin\")) - 1));\n        _changeAdmin(admin_);\n    }\n\n    /**\n     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.\n     */\n    modifier ifAdmin() {\n        if (msg.sender == _getAdmin()) {\n            _;\n        } else {\n            _fallback();\n        }\n    }\n\n    /**\n     * @dev Returns the current admin.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.\n     *\n     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the\n     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.\n     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`\n     */\n    function admin() external ifAdmin returns (address admin_) {\n        admin_ = _getAdmin();\n    }\n\n    /**\n     * @dev Returns the current implementation.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.\n     *\n     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the\n     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.\n     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`\n     */\n    function implementation() external ifAdmin returns (address implementation_) {\n        implementation_ = _implementation();\n    }\n\n    /**\n     * @dev Changes the admin of the proxy.\n     *\n     * Emits an {AdminChanged} event.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.\n     */\n    function changeAdmin(address newAdmin) external virtual ifAdmin {\n        _changeAdmin(newAdmin);\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.\n     */\n    function upgradeTo(address newImplementation) external ifAdmin {\n        _upgradeToAndCall(newImplementation, bytes(\"\"), false);\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified\n     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the\n     * proxied contract.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.\n     */\n    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {\n        _upgradeToAndCall(newImplementation, data, true);\n    }\n\n    /**\n     * @dev Returns the current admin.\n     */\n    function _admin() internal view virtual returns (address) {\n        return _getAdmin();\n    }\n\n    /**\n     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.\n     */\n    function _beforeFallback() internal virtual override {\n        require(msg.sender != _getAdmin(), \"TransparentUpgradeableProxy: admin cannot fallback to proxy target\");\n        super._beforeFallback();\n    }\n}\n"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/utils/Address.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0-rc.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\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"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (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    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"
    },
    "hardhat-deploy/solc_0.8/openzeppelin/utils/StorageSlot.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC1967 implementation slot:\n * ```\n * contract ERC1967 {\n *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n *     function _getImplementation() internal view returns (address) {\n *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n *     }\n *\n *     function _setImplementation(address newImplementation) internal {\n *         require(Address.isContract(newImplementation), \"ERC1967: new implementation is not a contract\");\n *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n *     }\n * }\n * ```\n *\n * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._\n */\nlibrary StorageSlot {\n    struct AddressSlot {\n        address value;\n    }\n\n    struct BooleanSlot {\n        bool value;\n    }\n\n    struct Bytes32Slot {\n        bytes32 value;\n    }\n\n    struct Uint256Slot {\n        uint256 value;\n    }\n\n    /**\n     * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n     */\n    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n     */\n    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n     */\n    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n     */\n    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n        assembly {\n            r.slot := slot\n        }\n    }\n}\n"
    },
    "hardhat-deploy/solc_0.8/proxy/OptimizedTransparentUpgradeableProxy.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (proxy/transparent/TransparentUpgradeableProxy.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../openzeppelin/proxy/ERC1967/ERC1967Proxy.sol\";\n\n/**\n * @dev This contract implements a proxy that is upgradeable by an admin.\n *\n * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector\n * clashing], which can potentially be used in an attack, this contract uses the\n * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two\n * things that go hand in hand:\n *\n * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if\n * that call matches one of the admin functions exposed by the proxy itself.\n * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the\n * implementation. If the admin tries to call a function on the implementation it will fail with an error that says\n * \"admin cannot fallback to proxy target\".\n *\n * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing\n * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due\n * to sudden errors when trying to call a function from the proxy implementation.\n *\n * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,\n * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.\n */\ncontract OptimizedTransparentUpgradeableProxy is ERC1967Proxy {\n    address internal immutable _ADMIN;\n\n    /**\n     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and\n     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.\n     */\n    constructor(\n        address _logic,\n        address admin_,\n        bytes memory _data\n    ) payable ERC1967Proxy(_logic, _data) {\n        assert(_ADMIN_SLOT == bytes32(uint256(keccak256(\"eip1967.proxy.admin\")) - 1));\n        _ADMIN = admin_;\n\n        // still store it to work with EIP-1967\n        bytes32 slot = _ADMIN_SLOT;\n        // solhint-disable-next-line no-inline-assembly\n        assembly {\n            sstore(slot, admin_)\n        }\n        emit AdminChanged(address(0), admin_);\n    }\n\n    /**\n     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.\n     */\n    modifier ifAdmin() {\n        if (msg.sender == _getAdmin()) {\n            _;\n        } else {\n            _fallback();\n        }\n    }\n\n    /**\n     * @dev Returns the current admin.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.\n     *\n     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the\n     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.\n     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`\n     */\n    function admin() external ifAdmin returns (address admin_) {\n        admin_ = _getAdmin();\n    }\n\n    /**\n     * @dev Returns the current implementation.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.\n     *\n     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the\n     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.\n     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`\n     */\n    function implementation() external ifAdmin returns (address implementation_) {\n        implementation_ = _implementation();\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.\n     */\n    function upgradeTo(address newImplementation) external ifAdmin {\n        _upgradeToAndCall(newImplementation, bytes(\"\"), false);\n    }\n\n    /**\n     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified\n     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the\n     * proxied contract.\n     *\n     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.\n     */\n    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {\n        _upgradeToAndCall(newImplementation, data, true);\n    }\n\n    /**\n     * @dev Returns the current admin.\n     */\n    function _admin() internal view virtual returns (address) {\n        return _getAdmin();\n    }\n\n    /**\n     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.\n     */\n    function _beforeFallback() internal virtual override {\n        require(msg.sender != _getAdmin(), \"TransparentUpgradeableProxy: admin cannot fallback to proxy target\");\n        super._beforeFallback();\n    }\n\n    function _getAdmin() internal view virtual override returns (address) {\n        return _ADMIN;\n    }\n}\n"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200,
      "details": {
        "yul": true
      }
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    "evmVersion": "cancun",
    "outputSelection": {
      "*": {
        "*": [
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          "evm.bytecode",
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          "evm.methodIdentifiers",
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          "devdoc",
          "userdoc",
          "evm.gasEstimates"
        ],
        "": ["ast"]
      }
    },
    "metadata": {
      "useLiteralContent": true
    }
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}