pragma solidity ^0.5.0;

import "../Invoker.sol";

contract KollateralAuth {
    address internal _invokerAddress;

    constructor (address invokerAddress) internal {
        _invokerAddress = invokerAddress;
    }

    modifier onlyInvoker() {
        require(msg.sender == _invokerAddress, "KollateralAuth: not invoker");
        _;
    }
}