{
  "language": "Solidity",
  "settings": {
    "evmVersion": "london",
    "libraries": {},
    "metadata": {
      "bytecodeHash": "ipfs",
      "useLiteralContent": true
    },
    "optimizer": {
      "enabled": true,
      "runs": 100
    },
    "remappings": [],
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  },
  "sources": {
    "vesper-commons/contracts/interfaces/vesper/IStrategy.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\ninterface IStrategy {\n    function rebalance()\n        external\n        returns (\n            uint256 _profit,\n            uint256 _loss,\n            uint256 _payback\n        );\n\n    function sweepERC20(address _fromToken) external;\n\n    function withdraw(uint256 _amount) external;\n\n    function feeCollector() external view returns (address);\n\n    function isReservedToken(address _token) external view returns (bool);\n\n    function keepers() external view returns (address[] memory);\n\n    function migrate(address _newStrategy) external;\n\n    function token() external view returns (address);\n\n    function pool() external view returns (address);\n\n    // solhint-disable-next-line func-name-mixedcase\n    function VERSION() external view returns (string memory);\n\n    function collateral() external view returns (address);\n}\n"
    },
    "vesper-pools/contracts/dependencies/openzeppelin/contracts/token/ERC20/IERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\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 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 `recipient`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n}\n"
    },
    "vesper-pools/contracts/dependencies/openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
      "content": "// SPDX-License-Identifier: MIT\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"
    },
    "vesper-pools/contracts/dependencies/openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    using Address for address;\n\n    function safeTransfer(IERC20 token, address to, uint256 value) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\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        // solhint-disable-next-line max-line-length\n        require((value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        uint256 newAllowance = token.allowance(address(this), spender) + value;\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n    }\n\n    function safeDecreaseAllowance(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            uint256 newAllowance = oldAllowance - value;\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\n        }\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        if (returndata.length > 0) { // Return data is optional\n            // solhint-disable-next-line max-line-length\n            require(abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n        }\n    }\n}\n"
    },
    "vesper-pools/contracts/dependencies/openzeppelin/contracts/utils/Address.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\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    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize, which returns 0 for contracts in\n        // construction, since the code is only stored at the end of the\n        // constructor execution.\n\n        uint256 size;\n        // solhint-disable-next-line no-inline-assembly\n        assembly { size := extcodesize(account) }\n        return size > 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        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\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(address target, bytes memory data, string memory errorMessage) 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(address target, bytes memory data, uint256 value, string memory errorMessage) 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        // solhint-disable-next-line avoid-low-level-calls\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(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {\n        require(isContract(target), \"Address: static call to non-contract\");\n\n        // solhint-disable-next-line avoid-low-level-calls\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(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\n        require(isContract(target), \"Address: delegate call to non-contract\");\n\n        // solhint-disable-next-line avoid-low-level-calls\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return _verifyCallResult(success, returndata, errorMessage);\n    }\n\n    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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                // solhint-disable-next-line no-inline-assembly\n                assembly {\n                    let returndata_size := mload(returndata)\n                    revert(add(32, returndata), returndata_size)\n                }\n            } else {\n                revert(errorMessage);\n            }\n        }\n    }\n}\n"
    },
    "vesper-pools/contracts/dependencies/openzeppelin/contracts/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT\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        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691\n        return msg.data;\n    }\n}\n"
    },
    "vesper-pools/contracts/dependencies/openzeppelin/contracts/utils/math/Math.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\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, so we distribute\n        return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);\n    }\n}\n"
    },
    "vesper-pools/contracts/dependencies/openzeppelin/contracts/utils/structs/EnumerableSet.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Library for managing\n * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive\n * types.\n *\n * Sets have the following properties:\n *\n * - Elements are added, removed, and checked for existence in constant time\n * (O(1)).\n * - Elements are enumerated in O(n). No guarantees are made on the ordering.\n *\n * ```\n * contract Example {\n *     // Add the library methods\n *     using EnumerableSet for EnumerableSet.AddressSet;\n *\n *     // Declare a set state variable\n *     EnumerableSet.AddressSet private mySet;\n * }\n * ```\n *\n * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)\n * and `uint256` (`UintSet`) are supported.\n */\nlibrary EnumerableSet {\n    // To implement this library for multiple types with as little code\n    // repetition as possible, we write it in terms of a generic Set type with\n    // bytes32 values.\n    // The Set implementation uses private functions, and user-facing\n    // implementations (such as AddressSet) are just wrappers around the\n    // underlying Set.\n    // This means that we can only create new EnumerableSets for types that fit\n    // in bytes32.\n\n    struct Set {\n        // Storage of set values\n        bytes32[] _values;\n        // Position of the value in the `values` array, plus 1 because index 0\n        // means a value is not in the set.\n        mapping(bytes32 => uint256) _indexes;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function _add(Set storage set, bytes32 value) private returns (bool) {\n        if (!_contains(set, value)) {\n            set._values.push(value);\n            // The value is stored at length-1, but we add 1 to all indexes\n            // and use 0 as a sentinel value\n            set._indexes[value] = set._values.length;\n            return true;\n        } else {\n            return false;\n        }\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function _remove(Set storage set, bytes32 value) private returns (bool) {\n        // We read and store the value's index to prevent multiple reads from the same storage slot\n        uint256 valueIndex = set._indexes[value];\n\n        if (valueIndex != 0) {\n            // Equivalent to contains(set, value)\n            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in\n            // the array, and then remove the last element (sometimes called as 'swap and pop').\n            // This modifies the order of the array, as noted in {at}.\n\n            uint256 toDeleteIndex = valueIndex - 1;\n            uint256 lastIndex = set._values.length - 1;\n\n            if (lastIndex != toDeleteIndex) {\n                bytes32 lastvalue = set._values[lastIndex];\n\n                // Move the last value to the index where the value to delete is\n                set._values[toDeleteIndex] = lastvalue;\n                // Update the index for the moved value\n                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex\n            }\n\n            // Delete the slot where the moved value was stored\n            set._values.pop();\n\n            // Delete the index for the deleted slot\n            delete set._indexes[value];\n\n            return true;\n        } else {\n            return false;\n        }\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function _contains(Set storage set, bytes32 value) private view returns (bool) {\n        return set._indexes[value] != 0;\n    }\n\n    /**\n     * @dev Returns the number of values on the set. O(1).\n     */\n    function _length(Set storage set) private view returns (uint256) {\n        return set._values.length;\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function _at(Set storage set, uint256 index) private view returns (bytes32) {\n        return set._values[index];\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function _values(Set storage set) private view returns (bytes32[] memory) {\n        return set._values;\n    }\n\n    // Bytes32Set\n\n    struct Bytes32Set {\n        Set _inner;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n        return _add(set._inner, value);\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {\n        return _remove(set._inner, value);\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {\n        return _contains(set._inner, value);\n    }\n\n    /**\n     * @dev Returns the number of values in the set. O(1).\n     */\n    function length(Bytes32Set storage set) internal view returns (uint256) {\n        return _length(set._inner);\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {\n        return _at(set._inner, index);\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {\n        return _values(set._inner);\n    }\n\n    // AddressSet\n\n    struct AddressSet {\n        Set _inner;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function add(AddressSet storage set, address value) internal returns (bool) {\n        return _add(set._inner, bytes32(uint256(uint160(value))));\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function remove(AddressSet storage set, address value) internal returns (bool) {\n        return _remove(set._inner, bytes32(uint256(uint160(value))));\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function contains(AddressSet storage set, address value) internal view returns (bool) {\n        return _contains(set._inner, bytes32(uint256(uint160(value))));\n    }\n\n    /**\n     * @dev Returns the number of values in the set. O(1).\n     */\n    function length(AddressSet storage set) internal view returns (uint256) {\n        return _length(set._inner);\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function at(AddressSet storage set, uint256 index) internal view returns (address) {\n        return address(uint160(uint256(_at(set._inner, index))));\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function values(AddressSet storage set) internal view returns (address[] memory) {\n        bytes32[] memory store = _values(set._inner);\n        address[] memory result;\n\n        assembly {\n            result := store\n        }\n\n        return result;\n    }\n\n    // UintSet\n\n    struct UintSet {\n        Set _inner;\n    }\n\n    /**\n     * @dev Add a value to a set. O(1).\n     *\n     * Returns true if the value was added to the set, that is if it was not\n     * already present.\n     */\n    function add(UintSet storage set, uint256 value) internal returns (bool) {\n        return _add(set._inner, bytes32(value));\n    }\n\n    /**\n     * @dev Removes a value from a set. O(1).\n     *\n     * Returns true if the value was removed from the set, that is if it was\n     * present.\n     */\n    function remove(UintSet storage set, uint256 value) internal returns (bool) {\n        return _remove(set._inner, bytes32(value));\n    }\n\n    /**\n     * @dev Returns true if the value is in the set. O(1).\n     */\n    function contains(UintSet storage set, uint256 value) internal view returns (bool) {\n        return _contains(set._inner, bytes32(value));\n    }\n\n    /**\n     * @dev Returns the number of values on the set. O(1).\n     */\n    function length(UintSet storage set) internal view returns (uint256) {\n        return _length(set._inner);\n    }\n\n    /**\n     * @dev Returns the value stored at position `index` in the set. O(1).\n     *\n     * Note that there are no guarantees on the ordering of values inside the\n     * array, and it may change when more values are added or removed.\n     *\n     * Requirements:\n     *\n     * - `index` must be strictly less than {length}.\n     */\n    function at(UintSet storage set, uint256 index) internal view returns (uint256) {\n        return uint256(_at(set._inner, index));\n    }\n\n    /**\n     * @dev Return the entire set in an array\n     *\n     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed\n     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that\n     * this function has an unbounded cost, and using it as part of a state-changing function may render the function\n     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.\n     */\n    function values(UintSet storage set) internal view returns (uint256[] memory) {\n        bytes32[] memory store = _values(set._inner);\n        uint256[] memory result;\n\n        assembly {\n            result := store\n        }\n\n        return result;\n    }\n}\n"
    },
    "vesper-pools/contracts/interfaces/vesper/IGovernable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @notice Governable interface\n */\ninterface IGovernable {\n    function governor() external view returns (address _governor);\n\n    function transferGovernorship(address _proposedGovernor) external;\n}\n"
    },
    "vesper-pools/contracts/interfaces/vesper/IPausable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @notice Pausable interface\n */\ninterface IPausable {\n    function paused() external view returns (bool);\n\n    function stopEverything() external view returns (bool);\n\n    function pause() external;\n\n    function unpause() external;\n\n    function shutdown() external;\n\n    function open() external;\n}\n"
    },
    "vesper-pools/contracts/interfaces/vesper/IVesperPool.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../../dependencies/openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol\";\nimport \"./IGovernable.sol\";\nimport \"./IPausable.sol\";\n\ninterface IVesperPool is IGovernable, IPausable, IERC20Metadata {\n    function calculateUniversalFee(uint256 _profit) external view returns (uint256 _fee);\n\n    function deposit(uint256 _share) external;\n\n    function multiTransfer(address[] memory _recipients, uint256[] memory _amounts) external returns (bool);\n\n    function excessDebt(address _strategy) external view returns (uint256);\n\n    function poolAccountant() external view returns (address);\n\n    function poolRewards() external view returns (address);\n\n    function reportEarning(\n        uint256 _profit,\n        uint256 _loss,\n        uint256 _payback\n    ) external;\n\n    function reportLoss(uint256 _loss) external;\n\n    function sweepERC20(address _fromToken) external;\n\n    function withdraw(uint256 _amount) external;\n\n    function keepers() external view returns (address[] memory);\n\n    function isKeeper(address _address) external view returns (bool);\n\n    function maintainers() external view returns (address[] memory);\n\n    function isMaintainer(address _address) external view returns (bool);\n\n    function pricePerShare() external view returns (uint256);\n\n    function strategy(address _strategy)\n        external\n        view\n        returns (\n            bool _active,\n            uint256 _interestFee, // Obsolete\n            uint256 _debtRate, // Obsolete\n            uint256 _lastRebalance,\n            uint256 _totalDebt,\n            uint256 _totalLoss,\n            uint256 _totalProfit,\n            uint256 _debtRatio,\n            uint256 _externalDepositFee\n        );\n\n    function token() external view returns (IERC20);\n\n    function tokensHere() external view returns (uint256);\n\n    function totalDebtOf(address _strategy) external view returns (uint256);\n\n    function totalValue() external view returns (uint256);\n\n    function totalDebt() external view returns (uint256);\n}\n"
    },
    "vesper-strategies/contracts/interfaces/stargate/IStargateFactory.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.9;\n\ninterface IStargateFactory {\n    function getPool(uint256) external view returns (address);\n\n    function allPoolsLength() external view returns (uint256);\n\n    function createPool(\n        uint256 _poolId,\n        address _token,\n        uint8 _sharedDecimals,\n        uint8 _localDecimals,\n        string memory _name,\n        string memory _symbol\n    ) external view returns (address);\n}\n"
    },
    "vesper-strategies/contracts/interfaces/stargate/IStargateLpStaking.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.9;\n\ninterface IStargateLpStaking {\n    function deposit(uint256 _pid, uint256 _amount) external;\n\n    function withdraw(uint256 _pid, uint256 _amount) external;\n\n    function stargate() external view returns (address);\n\n    function pendingStargate(uint256 _pid, address _user) external view returns (uint256);\n\n    function userInfo(uint256 _pid, address _user) external view returns (uint256 _amount, uint256 _rewardDebt);\n}\n"
    },
    "vesper-strategies/contracts/interfaces/stargate/IStargatePool.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.9;\n\nimport \"vesper-pools/contracts/dependencies/openzeppelin/contracts/token/ERC20/IERC20.sol\";\n\ninterface IStargatePool is IERC20 {\n    function totalLiquidity() external view returns (uint256);\n\n    function token() external view returns (address);\n\n    function amountLPtoLD(uint256 _amountLP) external view returns (uint256);\n\n    function convertRate() external view returns (uint256);\n}\n"
    },
    "vesper-strategies/contracts/interfaces/stargate/IStargateRouter.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.9;\n\ninterface IStargateRouter {\n    struct lzTxObj {\n        uint256 dstGasForCall;\n        uint256 dstNativeAmount;\n        bytes dstNativeAddr;\n    }\n\n    function factory() external view returns (address);\n\n    function addLiquidity(\n        uint256 _poolId,\n        uint256 _amountLD,\n        address _to\n    ) external;\n\n    function swap(\n        uint16 _dstChainId,\n        uint256 _srcPoolId,\n        uint256 _dstPoolId,\n        address payable _refundAddress,\n        uint256 _amountLD,\n        uint256 _minAmountLD,\n        lzTxObj memory _lzTxParams,\n        bytes calldata _to,\n        bytes calldata _payload\n    ) external payable;\n\n    function redeemRemote(\n        uint16 _dstChainId,\n        uint256 _srcPoolId,\n        uint256 _dstPoolId,\n        address payable _refundAddress,\n        uint256 _amountLP,\n        uint256 _minAmountLD,\n        bytes calldata _to,\n        lzTxObj memory _lzTxParams\n    ) external payable;\n\n    function instantRedeemLocal(\n        uint16 _srcPoolId,\n        uint256 _amountLP,\n        address _to\n    ) external returns (uint256);\n\n    function redeemLocal(\n        uint16 _dstChainId,\n        uint256 _srcPoolId,\n        uint256 _dstPoolId,\n        address payable _refundAddress,\n        uint256 _amountLP,\n        bytes calldata _to,\n        lzTxObj memory _lzTxParams\n    ) external payable;\n\n    function sendCredits(\n        uint16 _dstChainId,\n        uint256 _srcPoolId,\n        uint256 _dstPoolId,\n        address payable _refundAddress\n    ) external payable;\n\n    function quoteLayerZeroFee(\n        uint16 _dstChainId,\n        uint8 _functionType,\n        bytes calldata _toAddress,\n        bytes calldata _transferAndCallPayload,\n        lzTxObj memory _lzTxParams\n    ) external view returns (uint256, uint256);\n}\n"
    },
    "vesper-strategies/contracts/interfaces/swapper/IRoutedSwapper.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\n/**\n * @notice Routed Swapper interface\n * @dev This contract doesn't support native coins (e.g. ETH, AVAX, MATIC, etc) use wrapper tokens instead\n */\ninterface IRoutedSwapper {\n    /**\n     * @notice The list of supported DEXes\n     * @dev This function is gas intensive\n     */\n    function getAllExchanges() external view returns (address[] memory);\n\n    /**\n     * @notice Get *spot* quote\n     * It will return the swap amount based on the current reserves of the best pair/path found (i.e. spot price).\n     * @dev It shouldn't be used as oracle!!!\n     */\n    function getAmountIn(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountOut_\n    ) external returns (uint256 _amountIn);\n\n    /**\n     * @notice Get *spot* quote\n     * It will return the swap amount based on the current reserves of the best pair/path found (i.e. spot price).\n     * @dev It shouldn't be used as oracle!!!\n     */\n    function getAmountOut(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountIn_\n    ) external returns (uint256 _amountOut);\n\n    /**\n     * @notice Perform an exact input swap - will revert if there is no default routing\n     */\n    function swapExactInput(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountIn_,\n        uint256 amountOutMin_,\n        address _receiver\n    ) external returns (uint256 _amountOut);\n\n    /**\n     * @notice Perform an exact output swap - will revert if there is no default routing\n     */\n    function swapExactOutput(\n        address tokenIn_,\n        address tokenOut_,\n        uint256 amountOut_,\n        uint256 amountInMax_,\n        address receiver_\n    ) external returns (uint256 _amountIn);\n}\n"
    },
    "vesper-strategies/contracts/strategies/Strategy.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"vesper-pools/contracts/interfaces/vesper/IVesperPool.sol\";\nimport \"vesper-pools/contracts/dependencies/openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"vesper-pools/contracts/dependencies/openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport \"vesper-pools/contracts/dependencies/openzeppelin/contracts/utils/Context.sol\";\nimport \"vesper-pools/contracts/dependencies/openzeppelin/contracts/utils/structs/EnumerableSet.sol\";\nimport \"vesper-pools/contracts/dependencies/openzeppelin/contracts/utils/math/Math.sol\";\nimport \"vesper-commons/contracts/interfaces/vesper/IStrategy.sol\";\nimport \"../interfaces/swapper/IRoutedSwapper.sol\";\n\nabstract contract Strategy is IStrategy, Context {\n    using SafeERC20 for IERC20;\n    using EnumerableSet for EnumerableSet.AddressSet;\n\n    IERC20 public immutable collateralToken;\n    address public receiptToken;\n    address public immutable override pool;\n    address public override feeCollector;\n    IRoutedSwapper public swapper;\n    address internal constant ETH = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;\n    uint256 internal constant MAX_UINT_VALUE = type(uint256).max;\n\n    EnumerableSet.AddressSet private _keepers;\n\n    event UpdatedFeeCollector(address indexed previousFeeCollector, address indexed newFeeCollector);\n    event UpdatedSwapper(IRoutedSwapper indexed oldSwapper, IRoutedSwapper indexed newSwapper);\n\n    constructor(\n        address _pool,\n        address _swapper,\n        address _receiptToken\n    ) {\n        require(_pool != address(0), \"pool-address-is-zero\");\n        require(_swapper != address(0), \"swapper-address-is-zero\");\n        swapper = IRoutedSwapper(_swapper);\n        pool = _pool;\n        collateralToken = IVesperPool(_pool).token();\n        receiptToken = _receiptToken;\n        require(_keepers.add(_msgSender()), \"add-keeper-failed\");\n    }\n\n    modifier onlyGovernor() {\n        require(_msgSender() == IVesperPool(pool).governor(), \"caller-is-not-the-governor\");\n        _;\n    }\n\n    modifier onlyKeeper() {\n        require(_keepers.contains(_msgSender()), \"caller-is-not-a-keeper\");\n        _;\n    }\n\n    modifier onlyPool() {\n        require(_msgSender() == pool, \"caller-is-not-vesper-pool\");\n        _;\n    }\n\n    /**\n     * @notice Add given address in keepers list.\n     * @param _keeperAddress keeper address to add.\n     */\n    function addKeeper(address _keeperAddress) external onlyGovernor {\n        require(_keepers.add(_keeperAddress), \"add-keeper-failed\");\n    }\n\n    /// @dev Approve all required tokens\n    function approveToken() external onlyKeeper {\n        _approveToken(0);\n        _approveToken(MAX_UINT_VALUE);\n    }\n\n    /// @notice Check whether given token is reserved or not. Reserved tokens are not allowed to sweep.\n    function isReservedToken(address _token) public view virtual override returns (bool);\n\n    /// @notice Return list of keepers\n    function keepers() external view override returns (address[] memory) {\n        return _keepers.values();\n    }\n\n    /**\n     * @notice Migrate all asset and vault ownership,if any, to new strategy\n     * @dev _beforeMigration hook can be implemented in child strategy to do extra steps.\n     * @param _newStrategy Address of new strategy\n     */\n    function migrate(address _newStrategy) external virtual override onlyPool {\n        require(_newStrategy != address(0), \"new-strategy-address-is-zero\");\n        require(IStrategy(_newStrategy).pool() == pool, \"not-valid-new-strategy\");\n        _beforeMigration(_newStrategy);\n        IERC20(receiptToken).safeTransfer(_newStrategy, IERC20(receiptToken).balanceOf(address(this)));\n        collateralToken.safeTransfer(_newStrategy, collateralToken.balanceOf(address(this)));\n    }\n\n    /**\n     * @notice OnlyKeeper: Rebalance profit, loss and investment of this strategy.\n     *  Calculate profit, loss and payback of this strategy and realize profit/loss and\n     *  withdraw fund for payback, if any, and submit this report to pool.\n     * @return _profit Realized profit in collateral.\n     * @return _loss Realized loss, if any, in collateral.\n     * @return _payback If strategy has any excess debt, we have to liquidate asset to payback excess debt.\n     */\n    function rebalance()\n        external\n        onlyKeeper\n        returns (\n            uint256 _profit,\n            uint256 _loss,\n            uint256 _payback\n        )\n    {\n        return _rebalance();\n    }\n\n    /**\n     * @notice Remove given address from keepers list.\n     * @param _keeperAddress keeper address to remove.\n     */\n    function removeKeeper(address _keeperAddress) external onlyGovernor {\n        require(_keepers.remove(_keeperAddress), \"remove-keeper-failed\");\n    }\n\n    /**\n     * @notice sweep given token to feeCollector of strategy\n     * @param _fromToken token address to sweep\n     */\n    function sweepERC20(address _fromToken) external override onlyKeeper {\n        require(feeCollector != address(0), \"fee-collector-not-set\");\n        require(_fromToken != address(collateralToken), \"not-allowed-to-sweep-collateral\");\n        require(!isReservedToken(_fromToken), \"not-allowed-to-sweep\");\n        if (_fromToken == ETH) {\n            Address.sendValue(payable(feeCollector), address(this).balance);\n        } else {\n            uint256 _amount = IERC20(_fromToken).balanceOf(address(this));\n            IERC20(_fromToken).safeTransfer(feeCollector, _amount);\n        }\n    }\n\n    /// @notice Returns address of token correspond to receipt token\n    function token() external view override returns (address) {\n        return receiptToken;\n    }\n\n    /// @notice Returns address of token correspond to collateral token\n    function collateral() external view override returns (address) {\n        return address(collateralToken);\n    }\n\n    /// @notice Returns total collateral locked in the strategy\n    function tvl() external view virtual returns (uint256);\n\n    /**\n     * @notice Update fee collector\n     * @param _feeCollector fee collector address\n     */\n    function updateFeeCollector(address _feeCollector) external onlyGovernor {\n        require(_feeCollector != address(0), \"fee-collector-address-is-zero\");\n        require(_feeCollector != feeCollector, \"fee-collector-is-same\");\n        emit UpdatedFeeCollector(feeCollector, _feeCollector);\n        feeCollector = _feeCollector;\n    }\n\n    /**\n     * @notice Update swapper\n     * @param _swapper swapper address\n     */\n    function updateSwapper(IRoutedSwapper _swapper) external onlyGovernor {\n        require(address(_swapper) != address(0), \"swapper-address-is-zero\");\n        require(_swapper != swapper, \"swapper-is-same\");\n        emit UpdatedSwapper(swapper, _swapper);\n        swapper = _swapper;\n    }\n\n    /**\n     * @notice Withdraw collateral token from end protocol.\n     * @param _amount Amount of collateral token\n     */\n    function withdraw(uint256 _amount) external override onlyPool {\n        uint256 _collateralHere = collateralToken.balanceOf(address(this));\n        if (_collateralHere >= _amount) {\n            collateralToken.safeTransfer(pool, _amount);\n        } else {\n            _withdrawHere(_amount - _collateralHere);\n            // Do not assume _withdrawHere() will withdraw exact amount. Check balance again and transfer to pool\n            _collateralHere = collateralToken.balanceOf(address(this));\n            collateralToken.safeTransfer(pool, Math.min(_amount, _collateralHere));\n        }\n    }\n\n    function _approveToken(uint256 _amount) internal virtual {\n        collateralToken.safeApprove(pool, _amount);\n    }\n\n    /**\n     * @dev some strategy may want to prepare before doing migration.\n     *  Example In Maker old strategy want to give vault ownership to new strategy\n     * @param _newStrategy .\n     */\n    function _beforeMigration(address _newStrategy) internal virtual;\n\n    function _rebalance()\n        internal\n        virtual\n        returns (\n            uint256 _profit,\n            uint256 _loss,\n            uint256 _payback\n        );\n\n    function _swapExactInput(\n        address _tokenIn,\n        address _tokenOut,\n        uint256 _amountIn\n    ) internal returns (uint256 _amountOut) {\n        _amountOut = swapper.swapExactInput(_tokenIn, _tokenOut, _amountIn, 1, address(this));\n    }\n\n    function _safeSwapExactInput(\n        address _tokenIn,\n        address _tokenOut,\n        uint256 _amountIn\n    ) internal {\n        try swapper.swapExactInput(_tokenIn, _tokenOut, _amountIn, 1, address(this)) {} catch {} //solhint-disable no-empty-blocks\n    }\n\n    // These methods must be implemented by the inheriting strategy\n    function _withdrawHere(uint256 _amount) internal virtual;\n}\n"
    },
    "vesper-strategies/contracts/strategies/stargate/Stargate.sol": {
      "content": "// SPDX-License-Identifier: MIT\n\npragma solidity 0.8.9;\n\nimport \"../../interfaces/stargate/IStargatePool.sol\";\nimport \"../../interfaces/stargate/IStargateRouter.sol\";\nimport \"../../interfaces/stargate/IStargateFactory.sol\";\nimport \"../../interfaces/stargate/IStargateLpStaking.sol\";\nimport \"../Strategy.sol\";\n\n/// @title This Strategy will deposit collateral token in a Stargate Pool\n/// Stake LP Token and accrue swap rewards\ncontract Stargate is Strategy {\n    using SafeERC20 for IERC20;\n    using SafeERC20 for IStargatePool;\n\n    // solhint-disable-next-line var-name-mixedcase\n    string public NAME;\n    string public constant VERSION = \"5.0.0\";\n\n    /// @notice Address of Staking contract (MasterChef V2 behavior)\n    IStargateLpStaking public immutable stargateLpStaking;\n    /// @notice Reward pool id of the MasterChef\n    uint256 public immutable stargateLpStakingPoolId;\n    /// @notice Stargate Factory LP Pool Id\n    uint256 public immutable stargatePoolId;\n\n    /// @notice rewardToken, usually STG\n    address public immutable rewardToken;\n\n    IStargatePool internal immutable stargateLp;\n\n    /// @dev Router to add/remove liquidity from a STG Pool\n    IStargateRouter internal immutable stargateRouter;\n\n    constructor(\n        address pool_,\n        address swapper_,\n        IStargateRouter stargateRouter_,\n        IStargatePool stargateLp_,\n        IStargateLpStaking stargateLpStaking_,\n        uint256 stargatePoolId_,\n        uint256 stargateLpStakingPoolId_,\n        string memory name_\n    ) Strategy(pool_, swapper_, address(0)) {\n        require(address(stargateRouter_) != address(0), \"stg-router-is-zero\");\n        require(address(stargateLp_) != address(0), \"stg-lp-pool-is-zero\");\n        require(address(stargateLpStaking_) != address(0), \"stg-staking-is-zero\");\n        require(stargatePoolId_ > 0, \"stg-pool-is-zero\");\n\n        stargateRouter = stargateRouter_;\n        stargateLpStaking = IStargateLpStaking(stargateLpStaking_);\n        receiptToken = address(stargateLp_);\n        stargateLp = stargateLp_;\n        stargatePoolId = stargatePoolId_;\n        stargateLpStakingPoolId = stargateLpStakingPoolId_; // can be 0\n        rewardToken = stargateLpStaking.stargate();\n        NAME = name_;\n    }\n\n    function isReservedToken(address token_) public view override returns (bool) {\n        return token_ == receiptToken;\n    }\n\n    function lpAmountStaked() public view returns (uint256 _lpAmountStaked) {\n        (_lpAmountStaked, ) = stargateLpStaking.userInfo(stargateLpStakingPoolId, address(this));\n    }\n\n    function pendingStargate() external view returns (uint256 _pendingStargate) {\n        return stargateLpStaking.pendingStargate(stargateLpStakingPoolId, address(this));\n    }\n\n    function tvl() external view override returns (uint256) {\n        return _getCollateralInStargate() + collateralToken.balanceOf(address(this));\n    }\n\n    function _approveToken(uint256 _amount) internal virtual override {\n        super._approveToken(_amount);\n        collateralToken.safeApprove(address(stargateRouter), _amount);\n        stargateLp.safeApprove(address(stargateLpStaking), _amount);\n        stargateLp.safeApprove(address(stargateRouter), _amount);\n        IERC20(rewardToken).safeApprove(address(swapper), _amount);\n    }\n\n    // solhint-disable-next-line no-empty-blocks\n    function _beforeDeposit(uint256 collateralAmount_) internal virtual {}\n\n    /**\n     * @notice Before migration hook.\n     */\n    function _beforeMigration(address newStrategy_) internal override {\n        require(IStrategy(newStrategy_).token() == receiptToken, \"wrong-receipt-token\");\n        stargateLpStaking.withdraw(stargateLpStakingPoolId, lpAmountStaked());\n    }\n\n    /// @notice Claim rewardToken from LPStaking contract\n    function _claimRewardsAndConvertTo(address toToken_) internal {\n        // 0 withdraw will trigger rewards claim\n        stargateLpStaking.withdraw(stargateLpStakingPoolId, 0);\n        uint256 _rewardAmount = IERC20(rewardToken).balanceOf(address(this));\n        if (_rewardAmount > 0) {\n            _safeSwapExactInput(rewardToken, toToken_, _rewardAmount);\n        }\n    }\n\n    /// @dev Converts a collateral amount in its relative shares of STG LP Token\n    function _convertToLpShares(uint256 collateralAmount_) internal view returns (uint256) {\n        uint256 _totalLiquidity = stargateLp.totalLiquidity();\n        // amount SD = _collateralAmount / stargateLp.convertRate()\n        // amount LP = SD * totalSupply / totalLiquidity\n        return\n            (_totalLiquidity > 0)\n                ? ((collateralAmount_ / stargateLp.convertRate()) * stargateLp.totalSupply()) / _totalLiquidity\n                : 0;\n    }\n\n    function _deposit(uint256 collateralAmount_) internal {\n        if (collateralAmount_ > 0) {\n            _beforeDeposit(collateralAmount_);\n            stargateRouter.addLiquidity(stargatePoolId, collateralAmount_, address(this));\n            stargateLpStaking.deposit(stargateLpStakingPoolId, stargateLp.balanceOf(address(this)));\n        }\n    }\n\n    /// @dev Gets collateral balance deposited into STG Pool\n    function _getCollateralInStargate() internal view returns (uint256 _collateralStaked) {\n        return stargateLp.amountLPtoLD(lpAmountStaked() + stargateLp.balanceOf(address(this)));\n    }\n\n    function _getLpForCollateral(uint256 collateralAmount_) internal returns (uint256) {\n        uint256 _lpRequired = _convertToLpShares(collateralAmount_);\n        uint256 _lpHere = stargateLp.balanceOf(address(this));\n        if (_lpRequired > _lpHere) {\n            uint256 _lpAmountStaked = lpAmountStaked();\n            uint256 _lpToUnstake = _lpRequired - _lpHere;\n            if (_lpToUnstake > _lpAmountStaked) {\n                _lpToUnstake = _lpAmountStaked;\n            }\n            stargateLpStaking.withdraw(stargateLpStakingPoolId, _lpToUnstake);\n            return stargateLp.balanceOf(address(this));\n        }\n        return _lpRequired;\n    }\n\n    function _rebalance() internal override returns (uint256 _profit, uint256 _loss, uint256 _payback) {\n        uint256 _excessDebt = IVesperPool(pool).excessDebt(address(this));\n        uint256 _totalDebt = IVesperPool(pool).totalDebtOf(address(this));\n\n        // Claim any reward we have.\n        _claimRewardsAndConvertTo(address(collateralToken));\n\n        uint256 _collateralHere = collateralToken.balanceOf(address(this));\n\n        uint256 _totalCollateral = _getCollateralInStargate() + _collateralHere;\n\n        if (_totalCollateral > _totalDebt) {\n            _profit = _totalCollateral - _totalDebt;\n        } else {\n            _loss = _totalDebt - _totalCollateral;\n        }\n        uint256 _profitAndExcessDebt = _profit + _excessDebt;\n        if (_profitAndExcessDebt > _collateralHere) {\n            _withdrawHere(_profitAndExcessDebt - _collateralHere);\n            _collateralHere = collateralToken.balanceOf(address(this));\n        }\n\n        // Make sure _collateralHere >= _payback + profit. set actual payback first and then profit\n        _payback = Math.min(_collateralHere, _excessDebt);\n        _profit = _collateralHere > _payback ? Math.min((_collateralHere - _payback), _profit) : 0;\n\n        IVesperPool(pool).reportEarning(_profit, _loss, _payback);\n\n        // strategy may get new fund. Deposit and stake it to stargate\n        _deposit(collateralToken.balanceOf(address(this)));\n    }\n\n    /// @dev Withdraw collateral here.\n    /// @dev This method may withdraw less than requested amount. Caller may need to check balance before and after\n    function _withdrawHere(uint256 amount_) internal override {\n        uint256 _lpToRedeem = _getLpForCollateral(amount_);\n        if (_lpToRedeem > 0) {\n            stargateRouter.instantRedeemLocal(uint16(stargatePoolId), _lpToRedeem, address(this));\n        }\n    }\n\n    /************************************************************************************************\n     *                                       keeper function                                        *\n     ***********************************************************************************************/\n\n    /**\n     * @notice OnlyKeeper: This function will withdraw required collateral from given\n     *   destination chain to the chain where this contract is deployed.\n     * @param dstChainId_ Destination chainId.\n     * @dev Stargate has different chainId than EVM chainId.\n     */\n    function withdrawForRebalance(uint16 dstChainId_) external payable onlyKeeper {\n        // amountToWithdraw is excessDebt of strategy\n        uint256 _amountToWithdraw = IVesperPool(pool).excessDebt(address(this));\n        uint256 _totalDebt = IVesperPool(pool).totalDebtOf(address(this));\n        uint256 _totalCollateral = _getCollateralInStargate();\n\n        if (_totalCollateral > _totalDebt) {\n            // If we have profit then amountToWithdraw = excessDebt + profit\n            _amountToWithdraw += (_totalCollateral - _totalDebt);\n        }\n\n        uint256 _lpToRedeem = _getLpForCollateral(_amountToWithdraw);\n        if (_lpToRedeem > 0) {\n            // RedeemLocal will redeem asset from dstChain to this chain and at this address.\n            // Also srcPoolId and dstPoolId will be same in this case\n            stargateRouter.redeemLocal{value: msg.value}(\n                dstChainId_,\n                stargatePoolId,\n                stargatePoolId,\n                payable(msg.sender),\n                _lpToRedeem,\n                abi.encodePacked(address(this)), // Address which will receive asset\n                IStargateRouter.lzTxObj(0, 0, \"0x\") // Basically empty layer zero tx object\n            );\n        }\n    }\n}\n"
    }
  }
}