text: // Copyright (c) 2009-2010 Satoshi Nakamoto
  // Copyright (c) 2009-2014 The Bitcoin developers
  // Copyright (c) 2016-2018 The PIVX developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #if defined(HAVE_CONFIG_H)
  #include "config/basecoin-config.h"
  #endif
  
  #include "tinyformat.h"
  #include "utiltime.h"
  
  #include <boost/date_time/posix_time/posix_time.hpp>
  #include <boost/thread.hpp>
  
  using namespace std;
  
  static int64_t nMockTime = 0; //! For unit testing
  
  int64_t GetTime()
  {
      if (nMockTime) return nMockTime;
  
      return time(NULL);
  }
  
  void SetMockTime(int64_t nMockTimeIn)
  {
      nMockTime = nMockTimeIn;
  }
  
  int64_t GetTimeMillis()
  {
      return (boost::posix_time::ptime(boost::posix_time::microsec_clock::universal_time()) -
              boost::posix_time::ptime(boost::gregorian::date(1970, 1, 1)))
          .total_milliseconds();
  }
  
  int64_t GetTimeMicros()
  {
      return (boost::posix_time::ptime(boost::posix_time::microsec_clock::universal_time()) -
              boost::posix_time::ptime(boost::gregorian::date(1970, 1, 1)))
          .total_microseconds();
  }
  
  void MilliSleep(int64_t n)
  {
  /**
   * Boost's sleep_for was uninterruptable when backed by nanosleep from 1.50
   * until fixed in 1.52. Use the deprecated sleep method for the broken case.
   * See: https://svn.boost.org/trac/boost/ticket/7238
   */
  #if defined(HAVE_WORKING_BOOST_SLEEP_FOR)
      boost::this_thread::sleep_for(boost::chrono::milliseconds(n));
  #elif defined(HAVE_WORKING_BOOST_SLEEP)
      boost::this_thread::sleep(boost::posix_time::milliseconds(n));
  #else
  //should never get here
  #error missing boost sleep implementation
  #endif
  }
  
  std::string DateTimeStrFormat(const char* pszFormat, int64_t nTime)
  {
      // std::locale takes ownership of the pointer
      std::locale loc(std::locale::classic(), new boost::posix_time::time_facet(pszFormat));
      std::stringstream ss;
      ss.imbue(loc);
      ss << boost::posix_time::from_time_t(nTime);
      return ss.str();
  }
  
  std::string DurationToDHMS(int64_t nDurationTime)
  {
      int seconds = nDurationTime % 60;
      nDurationTime /= 60;
      int minutes = nDurationTime % 60;
      nDurationTime /= 60;
      int hours = nDurationTime % 24;
      int days = nDurationTime / 24;
      if (days)
          return strprintf("%dd %02dh:%02dm:%02ds", days, hours, minutes, seconds);
      if (hours)
          return strprintf("%02dh:%02dm:%02ds", hours, minutes, seconds);
      return strprintf("%02dm:%02ds", minutes, seconds);
  }
  