dsa-connectors-2.0/contracts/mainnet/connectors/eeth/main.sol

//SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import "./helpers.sol";
import "./events.sol";
import {Basic} from "../../common/basic.sol";

contract EETHContract is Helpers, Basic, Events {
    /**
	 * @dev deposit ETH into Etherfi.
	 * @notice stake Eth in Etherfi, users receive eETH tokens on a 1:1 basis representing their staked ETH.
	 * @param amount The amount of ETH to deposit. (For max: `uint256(-1)`)
	 * @param getId ID to retrieve amt.
	 * @param setId ID stores the amount of ETH deposited.
	 */
    function deposit(
        uint256 amount,
        uint256 getId,
        uint256 setId
    )
        public
        payable
        returns (string memory _eventName, bytes memory _eventParam)
    {
        uint256 _amount = getUint(getId, amount);
        _amount = _amount == type(uint256).max
            ? address(this).balance
            : _amount;
        
        etherfiPool.deposit{value: _amount}();

        setUint(setId, _amount);

        _eventName = "LogDeposit(uint256,uint256,uint256)";
        _eventParam = abi.encode(_amount, getId, setId);
    }
}

contract ConnectV2EETH is EETHContract {
    string public name = "EETH-v1.0";
}