Solidity Blogpost #1: Config Contract, snippet 5

configHelper.sol

import "./GoldfinchConfig.sol";
import "../../interfaces/ICreditLineFactory.sol";

library ConfigHelper {
  function getCreditLineFactory(GoldfinchConfig config) internal view returns(ICreditLineFactory) {
    return ICreditLineFactory(creditLineFactoryAddress(config));
  }

  function creditLineFactoryAddress(GoldfinchConfig config) internal view returns (address) {
    return config.addresses(0);
  }

  function protocolOwner(GoldfinchConfig config) internal view returns (address) {
    return config.addresses(1);
  }

  function maxCreditLineAmount(GoldfinchConfig config) internal view returns (address) {
    return config.numbers(0));
  }
}