Deposit

// Submitted by EthereumHistory (ethereumhistory.com)
pragma solidity ^0.4.23;

contract ERC20 {
    function transfer(address _to, uint256 _value) public;
}

contract Deposit {
    address public owner;
    address public vault;

    event TransferEther(address indexed from, address indexed vault, uint256 value);

    function () public payable {
        vault.transfer(address(this).balance);
        emit TransferEther(msg.sender, vault, msg.value);
    }

    function changeOwnership(address _newOwner) public returns (bool) {
        require(msg.sender == owner);
        owner = _newOwner;
        return true;
    }

    function drainTokens(uint256 _amount, address _token, address _to) public returns (bool) {
        require(msg.sender == owner);
        if (_to == address(0)) {
            ERC20(_token).transfer(vault, _amount);
        } else {
            ERC20(_token).transfer(_to, _amount);
        }
        return true;
    }

    function changeVaultAddress(address _vault) public returns (bool) {
        require(msg.sender == owner);
        vault = _vault;
        return true;
    }
}