pragma solidity ^0.5.0; import {RTokenStorage} from "./RTokenStorage.sol"; contract LibraryLock is RTokenStorage { // Ensures no one can manipulate the Logic Contract once it is deployed. // PARITY WALLET HACK PREVENTION modifier delegatedOnly() { require( initialized == true, "The library is locked. No direct 'call' is allowed." ); _; } function initialize() internal { initialized = true; } }