// SPDX-FileCopyrightText: 2021 Lido <[email protected]>
// SPDX-License-Identifier: GPL-3.0

/* See contracts/COMPILERS.md */
pragma solidity 0.8.9;

import "@openzeppelin/contracts-v4.4/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts-v4.4/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts-v4.4/token/ERC20/utils/SafeERC20.sol";

interface ILido {
    /**
      * @notice A payable function supposed to be called only by LidoExecLayerRewardsVault contract
      * @dev We need a dedicated function because funds received by the default payable function
      * are treated as a user deposit
      */
    function receiveELRewards() external payable;
}


/**
 * @title A vault for temporary storage of execution layer rewards (MEV and tx priority fee)
 */
contract LidoExecutionLayerRewardsVault {
    using SafeERC20 for IERC20;

    address public immutable LIDO;
    address public immutable TREASURY;

    /**
      * Emitted when the ERC20 `token` recovered (i.e. transferred)
      * to the Lido treasury address by `requestedBy` sender.
      */
    event ERC20Recovered(
        address indexed requestedBy,
        address indexed token,
        uint256 amount
    );

    /**
      * Emitted when the ERC721-compatible `token` (NFT) recovered (i.e. transferred)
      * to the Lido treasury address by `requestedBy` sender.
      */
    event ERC721Recovered(
        address indexed requestedBy,
        address indexed token,
        uint256 tokenId
    );

    /**
      * Emitted when the vault received ETH
      */
    event ETHReceived(
        uint256 amount
    );

    /**
      * Ctor
      *
      * @param _lido the Lido token (stETH) address
      * @param _treasury the Lido treasury address (see ERC20/ERC721-recovery interfaces)
      */
    constructor(address _lido, address _treasury) {
        require(_lido != address(0), "LIDO_ZERO_ADDRESS");
        require(_treasury != address(0), "TREASURY_ZERO_ADDRESS");

        LIDO = _lido;
        TREASURY = _treasury;
    }

    /**
      * @notice Allows the contract to receive ETH
      * @dev execution layer rewards may be sent as plain ETH transfers
      */
    receive() external payable {
        emit ETHReceived(msg.value);
    }

    /**
      * @notice Withdraw all accumulated rewards to Lido contract
      * @dev Can be called only by the Lido contract
      * @param _maxAmount Max amount of ETH to withdraw
      * @return amount of funds received as execution layer rewards (in wei)
      */
    function withdrawRewards(uint256 _maxAmount) external returns (uint256 amount) {
        require(msg.sender == LIDO, "ONLY_LIDO_CAN_WITHDRAW");

        uint256 balance = address(this).balance;
        amount = (balance > _maxAmount) ? _maxAmount : balance;
        if (amount > 0) {
            ILido(LIDO).receiveELRewards{value: amount}();
        }
        return amount;
    }

    /**
      * Transfers a given `_amount` of an ERC20-token (defined by the `_token` contract address)
      * currently belonging to the burner contract address to the Lido treasury address.
      *
      * @param _token an ERC20-compatible token
      * @param _amount token amount
      */
    function recoverERC20(address _token, uint256 _amount) external {
        require(_amount > 0, "ZERO_RECOVERY_AMOUNT");

        emit ERC20Recovered(msg.sender, _token, _amount);

        IERC20(_token).safeTransfer(TREASURY, _amount);
    }

    /**
      * Transfers a given token_id of an ERC721-compatible NFT (defined by the token contract address)
      * currently belonging to the burner contract address to the Lido treasury address.
      *
      * @param _token an ERC721-compatible token
      * @param _tokenId minted token id
      */
    function recoverERC721(address _token, uint256 _tokenId) external {
        emit ERC721Recovered(msg.sender, _token, _tokenId);

        IERC721(_token).transferFrom(address(this), TREASURY, _tokenId);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_lido","type":"address"},{"internalType":"address","name":"_treasury","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"requestedBy","type":"address"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ERC20Recovered","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"requestedBy","type":"address"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC721Recovered","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ETHReceived","type":"event"},{"inputs":[],"name":"LIDO","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TREASURY","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"recoverERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"recoverERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxAmount","type":"uint256"}],"name":"withdrawRewards","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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