Contract Source Code:

// SPDX-License-Identifier: MIT
pragma solidity >= 0.8.0;

interface IBridge {
    function deposit(uint256 fee) external payable;
}

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

contract BatchBridge {
    address owner;

    constructor() {
        owner = msg.sender;
    }

    function withdraw(address token) public {
        require(msg.sender == address(owner));
        IERC20(token).transfer(msg.sender, IERC20(token).balanceOf(address(this)));
    }

    function withdrawNative(uint256 amount) public {
        require(msg.sender == address(owner));
        payable(owner).transfer(amount);
    }

    receive() external payable {
    }

}

Contract Source Code:

// SPDX-License-Identifier: MIT
pragma solidity >= 0.8.0;

interface IBridge {
    function deposit(uint256 fee) external payable;
}

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

contract BatchBridge {
    address owner;
    address bridge = 0x3561607590e28e0848ba3B67074C676D6D1C9953;
    uint256 MAX_DEPOSIT = 100 ether;

    constructor() {
        owner = msg.sender;
    }

    function withdraw(address token) public {
        require(msg.sender == address(owner));
        IERC20(token).transfer(msg.sender, IERC20(token).balanceOf(address(this)));
    }

    function withdrawNative(uint256 amount) public {
        require(msg.sender == address(owner));
        payable(owner).transfer(amount);
    }

    receive() external payable {
        uint256 loops = msg.value / MAX_DEPOSIT;
        for (uint256 i=0; i<loops; i++) {
            IBridge(bridge).deposit{value: MAX_DEPOSIT}(0);
        }
    }

    function setMax(uint256 max) public {
        require(owner == msg.sender);
        MAX_DEPOSIT = max;
    }

}