pragma solidity ^0.4.20; import 'libraries/ReentrancyGuard.sol'; contract ReentrancyGuardHelper is ReentrancyGuard { function testerNonReentrant() public nonReentrant returns (bool) { return true; } function testerCanNotReentrant() public nonReentrant returns (bool) { return testerNonReentrant(); } function testerReentrant() public returns (bool) { return true; } function testerCanReentrant() public returns (bool) { return testerReentrant(); } }