SimpleWallet.sol

pragma solidity >=0.4.22 <0.6.0;
import "./ERC20Interface.sol";

contract SimpleWallet {

    function flushTokens(address _tokenContractAddress,address _collectorAddress) public  {
        ERC20Interface instance = ERC20Interface(_tokenContractAddress);
        address forwarderAddress = address(this);
        uint256 forwarderBalance = instance.balanceOf(forwarderAddress);
        if (forwarderBalance == 0) {
            return;
        }
        require(instance.transfer(_collectorAddress, forwarderBalance));

    }
    
}