Sweeper

// Submitted by EthereumHistory (ethereumhistory.com)
pragma solidity ^0.4.15;

contract Token {
    function balanceOf(address _owner) constant returns (uint256);
    function transfer(address _to, uint256 _value) returns (bool);
}

contract Sweeper {
    address public owner;
    address public destination;
    Token public token;

    event DestinationChanged(address indexed previousDestination, address indexed newDestination);
    event LogSweep(address indexed caller, address indexed destination, address indexed token, uint256 amount);

    function setDestination(address _destination) returns (bool) {
        require(msg.sender == owner);
        address previous = destination;
        destination = _destination;
        DestinationChanged(previous, _destination);
        return true;
    }

    function sweep() returns (bool) {
        require(msg.sender == owner);
        Token t = token;
        uint256 balance = t.balanceOf(this);
        bool ok = t.transfer(destination, balance);
        if (ok) {
            LogSweep(msg.sender, destination, token, balance);
        }
        return ok;
    }
}