Muhammad-Altabba

// This file is cloned from https://github.com/google/or-tools/blob/master/ortools/constraint_solver/samples/VrpTimeWindows.cs
// It is just modified to work with 7.0.6150-beta


// Copyright 2010-2018 Google LLC
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0

Muhammad-Altabba

from ortools.constraint_solver import pywrapcp
from ortools.constraint_solver import routing_enums_pb2
import argparse
import json
import sys

is_debug = False


class CreateDistanceCallback(object):

Muhammad-Altabba

const MILLISECONDS_IN_A_SECOND = 1000;
const SECONDS_IN_A_MINUTE = 60;
const MINUTES_IN_AN_HOUR = 60;
const HOURS_IN_A_DAY = 24;
const DAYS_IN_A_WEEK = 7;

const MILLISECONDS_IN_A_MINUTE = MILLISECONDS_IN_A_SECOND * SECONDS_IN_A_MINUTE;
const MILLISECONDS_IN_AN_HOUR = MILLISECONDS_IN_A_MINUTE * MINUTES_IN_AN_HOUR;
const MILLISECONDS_IN_A_DAY = MILLISECONDS_IN_AN_HOUR * HOURS_IN_A_DAY;
const MILLISECONDS_IN_A_WEEK = MILLISECONDS_IN_A_DAY * DAYS_IN_A_WEEK;

Muhammad-Altabba

pragma solidity ^0.5.0;

contract C1 {
  uint public num;
  address public sender;

  function callSetNum(address c2, uint _num) public {
    (bool res,) = c2.call(abi.encodePacked(bytes4(keccak256("setNum(uint256)")), _num));
    if(!res) revert(); // C2's num is set 
  }

Muhammad-Altabba

contract ManagableAuthorization{
//Simplified in a way that all readers can read all data. In real case scenario you will have more complex logic.
    mapping(address => bool) readers; 
    modifier canRead(){
        //your logic for example:
        require(readers[msg.sender]);
        _;
    }
    //........ the rest of the class code.........
}

Muhammad-Altabba

Verifying my Blockstack ID is secured with the address 1HX9ZVMxMHtxxeEzUFs9VVwRVseCyvaEfS https://explorer.blockstack.org/address/1HX9ZVMxMHtxxeEzUFs9VVwRVseCyvaEfS