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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import {IERC20} from "../../lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import {ISocketVault} from "../interfaces/ISocketVault.sol";
import {ILightAccountFactory} from "../interfaces/ILightAccountFactory.sol";
import {Ownable} from "../../lib/openzeppelin-contracts/contracts/access/Ownable.sol";
import {IWstETH} from "../interfaces/wstETH/IWstETH.sol";
import {IStETH} from "../interfaces/wstETH/IStETH.sol";
import {IWETH} from "../interfaces/IWETH.sol";

/**
 * @title  LyraWstETHZapper
 * @dev    Helper contract to wrap ETH/WETH/stETH into Lido wstETH, and then deposit to lyra chain via socket bridge.
 */
contract LyraWstETHZapper is Ownable {
    IWETH public immutable weth;
    IWstETH public immutable wstETH;
    IStETH public immutable stETH;

    ///@dev Light Account factory address.
    address public constant lightAccountFactory = 0x000000893A26168158fbeaDD9335Be5bC96592E2;

    constructor(address _weth, address _wstETH) Ownable() {
        weth = IWETH(_weth);
        wstETH = IWstETH(_wstETH);
        stETH = IStETH(wstETH.stETH());
    }

    function recover(address token, uint256 amount) external onlyOwner {
        IERC20(token).transfer(msg.sender, amount);
        _returnAllEth();
    }

    function estimateWstethReceived(
        uint256 amountEth,
        address socketVault,
        uint256 gasLimit,
        address connector,
        bool takeOutFee
    ) external view returns (uint256) {
        uint256 socketFee = 0;
        if (takeOutFee) {
            socketFee = ISocketVault(socketVault).getMinFees(connector, gasLimit);
        }
        uint256 depositAmount = amountEth - socketFee;
        return wstETH.stETH().getSharesByPooledEth(depositAmount);
    }

    ///////////////////////////
    // ETH and WETH deposits //
    ///////////////////////////
    /**
     * @notice Wrap ETH into wstETH and deposit to Lyra Chain via socket vault
     */
    function zapETH(address socketVault, bool isSCW, uint256 gasLimit, address connector) external payable {
        _wrapETHAndDeposit(socketVault, isSCW, gasLimit, connector);
    }

    /**
     * @notice Wrap ETH into wstETH and deposit to Lyra Chain via socket vault
     */
    function zapWETH(uint256 amount, address socketVault, bool isSCW, uint256 gasLimit, address connector)
        external
        payable
    {
        // unrwap weth to eth
        weth.transferFrom(msg.sender, address(this), amount);
        weth.withdraw(weth.balanceOf(address(this)));

        _wrapETHAndDeposit(socketVault, isSCW, gasLimit, connector);
    }

    function _wrapETHAndDeposit(address socketVault, bool isSCW, uint256 gasLimit, address connector) internal {
        uint256 ethBalance = address(this).balance;

        uint256 socketFee = ISocketVault(socketVault).getMinFees(connector, gasLimit);
        uint256 depositAmount = ethBalance - socketFee;

        stETH.submit{value: depositAmount}(address(this));
        stETH.approve(address(wstETH), depositAmount);
        wstETH.wrap(depositAmount);

        _depositAllWstETH(socketVault, gasLimit, connector, socketFee, _getL2Receiver(isSCW));
    }

    ///////////
    // stETH //
    ///////////
    /**
     * @notice Wrap stETH into wstETH and deposit to Lyra Chain via socket vault.
     * Must pay eth as well to cover the socket fee.
     */
    function zapStETH(uint256 amount, address socketVault, bool isSCW, uint256 gasLimit, address connector)
        external
        payable
    {
        // unrwap weth to eth
        stETH.transferFrom(msg.sender, address(this), amount);
        stETH.approve(address(wstETH), amount);
        // we dont get the wstETH amount as we always just deposit balance of this contract
        wstETH.wrap(amount);

        uint256 socketFee = ISocketVault(socketVault).getMinFees(connector, gasLimit);

        // We assume the user transfers enough ETH to cover the fee. The depositToAppchain call will fail if not
        _depositAllWstETH(socketVault, gasLimit, connector, socketFee, _getL2Receiver(isSCW));
    }

    /////////////
    // Helpers //
    /////////////

    /**
     * @notice Deposit wstETH held in this contract on behalf of the sender
     */
    function _depositAllWstETH(
        address socketVault,
        uint256 gasLimit,
        address connector,
        uint256 socketFee,
        address recipient
    ) internal {
        uint256 amount = wstETH.balanceOf(address(this));
        wstETH.approve(socketVault, type(uint256).max);

        ISocketVault(socketVault).depositToAppChain{value: socketFee}(recipient, amount, gasLimit, connector);

        _returnAllEth();
    }

    /**
     * @notice Return the receiver address on L2
     */
    function _getL2Receiver(bool isScwWallet) internal view returns (address) {
        if (isScwWallet) {
            return ILightAccountFactory(lightAccountFactory).getAddress(msg.sender, 0);
        } else {
            return msg.sender;
        }
    }

    function _returnAllEth() internal {
        payable(msg.sender).transfer(address(this).balance);
    }

    // Needs to be able to receive ETH from unwrapping WETH
    receive() external payable {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

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

// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.9;

interface ISocketVault {
    function depositToAppChain(address receiver_, uint256 amount_, uint256 msgGasLimit_, address connector_)
        external
        payable;

    function __token() external view returns (address);

    function getMinFees(address connector, uint256 minGasLimit) external view returns (uint256);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.9;

interface ILightAccountFactory {
    /**
     * @notice Create an account, and return its address.
     * Returns the address even if the account is already deployed.
     * @dev During UserOperation execution, this method is called only if the account is not deployed.
     * This method returns an existing account address so that entryPoint.getSenderAddress() would work even after account creation.
     * @param owner The owner of the account to be created
     * @param salt A salt, which can be changed to create multiple accounts with the same owner
     * @return ret The address of either the newly deployed account or an existing account with this owner and salt
     */
    function createAccount(address owner, uint256 salt) external returns (address ret);

    /**
     * @notice Calculate the counterfactual address of this account as it would be returned by createAccount()
     * @param owner The owner of the account to be created
     * @param salt A salt, which can be changed to create multiple accounts with the same owner
     * @return The address of the account that would be created with createAccount()
     */
    function getAddress(address owner, uint256 salt) external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import {IERC20} from "../../../lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import {IStETH} from "./IStETH.sol";

interface IWstETH is IERC20 {
    function stETH() external view returns (IStETH);
    function wrap(uint256 _stETHAmount) external returns (uint256 wstETHAmount);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import {IERC20} from "../../../lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";

interface IStETH is IERC20 {
    function getPooledEthByShares(uint256 _sharesAmount) external view returns (uint256);
    function getSharesByPooledEth(uint256 _pooledEthAmount) external view returns (uint256);
    function submit(address _referral) external payable returns (uint256);
}

pragma solidity >=0.5.0;

import {IERC20} from "../../lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";

interface IWETH is IERC20 {
    function deposit() external payable;
    function withdraw(uint256) external;
}

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

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

{
  "remappings": [
    "account-abstraction/=lib/account-abstraction/contracts/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "account-abstraction/=lib/account-abstraction/contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "relay-context-contracts/=lib/relay-context-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 2000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"_weth","type":"address"},{"internalType":"address","name":"_wstETH","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"uint256","name":"amountEth","type":"uint256"},{"internalType":"address","name":"socketVault","type":"address"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"address","name":"connector","type":"address"},{"internalType":"bool","name":"takeOutFee","type":"bool"}],"name":"estimateWstethReceived","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lightAccountFactory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"recover","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stETH","outputs":[{"internalType":"contract IStETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"contract IWETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"wstETH","outputs":[{"internalType":"contract IWstETH","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"socketVault","type":"address"},{"internalType":"bool","name":"isSCW","type":"bool"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"address","name":"connector","type":"address"}],"name":"zapETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"socketVault","type":"address"},{"internalType":"bool","name":"isSCW","type":"bool"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"address","name":"connector","type":"address"}],"name":"zapStETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"socketVault","type":"address"},{"internalType":"bool","name":"isSCW","type":"bool"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"address","name":"connector","type":"address"}],"name":"zapWETH","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc20000000000000000000000007f39c581f595b53c5cb19bd0b3f8da6c935e2ca0

-----Decoded View---------------
Arg [0] : _weth (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
Arg [1] : _wstETH (address): 0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
Arg [1] : 0000000000000000000000007f39c581f595b53c5cb19bd0b3f8da6c935e2ca0