text: // Copyright (c) 2014, Truckcoin, The GoldenHill Project
  // 
  // All rights reserved.
  // 
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  // 
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  // 
  // 2. Redistributions in binary form must reproduce the above copyright notice, this list
  //    of conditions and the following disclaimer in the documentation and/or other
  //    materials provided with the distribution.
  // 
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  // 
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  // 
  // Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
  
  #pragma once
  
  #include <boost/serialization/split_free.hpp>
  #include <unordered_map>
  #include <unordered_set>
  
  namespace boost
  {
    namespace serialization
    {
      template <class Archive, class h_key, class hval>
      inline void save(Archive &a, const std::unordered_map<h_key, hval> &x, const boost::serialization::version_type ver)
      {
        size_t s = x.size();
        a << s;
        BOOST_FOREACH(auto& v, x)
        {
          a << v.first;
          a << v.second;
        }
      }
  
      template <class Archive, class h_key, class hval>
      inline void load(Archive &a, std::unordered_map<h_key, hval> &x, const boost::serialization::version_type ver)
      {
        x.clear();
        size_t s = 0;
        a >> s;
        for(size_t i = 0; i != s; i++)
        {
          h_key k;
          hval v;
          a >> k;
          a >> v;
          x.insert(std::pair<h_key, hval>(k, v));
        }
      }
  
  
      template <class Archive, class h_key, class hval>
      inline void save(Archive &a, const std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
      {
        size_t s = x.size();
        a << s;
        BOOST_FOREACH(auto& v, x)
        {
          a << v.first;
          a << v.second;
        }
      }
  
      template <class Archive, class h_key, class hval>
      inline void load(Archive &a, std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
      {
        x.clear();
        size_t s = 0;
        a >> s;
        for(size_t i = 0; i != s; i++)
        {
          h_key k;
          hval v;
          a >> k;
          a >> v;
          x.emplace(k, v);
        }
      }
  
  
      template <class Archive, class hval>
      inline void save(Archive &a, const std::unordered_set<hval> &x, const boost::serialization::version_type ver)
      {
        size_t s = x.size();
        a << s;
        BOOST_FOREACH(auto& v, x)
        {
          a << v;
        }
      }
  
      template <class Archive, class hval>
      inline void load(Archive &a, std::unordered_set<hval> &x, const boost::serialization::version_type ver)
      {
        x.clear();
        size_t s = 0;
        a >> s;
        for(size_t i = 0; i != s; i++)
        {
          hval v;
          a >> v;
          x.insert(v);
        }
      }
  
  
      template <class Archive, class h_key, class hval>
      inline void serialize(Archive &a, std::unordered_map<h_key, hval> &x, const boost::serialization::version_type ver)
      {
        split_free(a, x, ver);
      }
  
      template <class Archive, class h_key, class hval>
      inline void serialize(Archive &a, std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
      {
        split_free(a, x, ver);
      }
  
      template <class Archive, class hval>
      inline void serialize(Archive &a, std::unordered_set<hval> &x, const boost::serialization::version_type ver)
      {
        split_free(a, x, ver);
      }
    }
  }
  