pragma solidity ^0.4.17; import "ownable.sol"; contract SimpleStorage is Ownable { uint public storedData; function() public payable { } constructor(uint initialValue) public { storedData = initialValue; } function set(uint x) public { storedData = x; for(uint i = 0; i < 1000; i++) { storedData += i; } } function set2(uint x) public onlyOwner { storedData = x; } function get() public view returns (uint retVal) { return storedData; } function getS() public pure returns (string d) { return "hello"; } }