From cb9a96755df4ecae681db4669ad2aecef9c13671 Mon Sep 17 00:00:00 2001
From: Peter Conrad <conrad@quisquis.de>
Date: Wed, 3 Apr 2019 18:04:00 +0200
Subject: [PATCH] Add proper serialization for boost::endian::endian_buffer

---
 include/fc/io/raw.hpp     | 12 ++++++++++++
 include/fc/io/raw_fwd.hpp |  5 +++++
 include/fc/variant.hpp    | 14 ++++++++++++++
 3 files changed, 31 insertions(+)

diff --git a/include/fc/io/raw.hpp b/include/fc/io/raw.hpp
index 9b686f7..5b3bfc6 100644
--- a/include/fc/io/raw.hpp
+++ b/include/fc/io/raw.hpp
@@ -676,6 +676,18 @@ namespace fc {
        }
     }
 
+    template<typename Stream, boost::endian::order O, class T, std::size_t N, boost::endian::align A>
+    void pack( Stream& s, const boost::endian::endian_buffer<O,T,N,A>& v, uint32_t _max_depth )
+    {
+       FC_ASSERT( _max_depth > 0 );
+       s.write( v.data(), sizeof(v) );
+    }
+    template<typename Stream, boost::endian::order O, class T, std::size_t N, boost::endian::align A>
+    void unpack( Stream& s, boost::endian::endian_buffer<O,T,N,A>& v, uint32_t _max_depth )
+    {
+       FC_ASSERT( _max_depth > 0 );
+       s.read( v.data(), sizeof(v) );
+    }
 
 
     template<typename Stream, typename T>
diff --git a/include/fc/io/raw_fwd.hpp b/include/fc/io/raw_fwd.hpp
index c1c1442..f8cf921 100644
--- a/include/fc/io/raw_fwd.hpp
+++ b/include/fc/io/raw_fwd.hpp
@@ -1,4 +1,5 @@
 #pragma once
+#include <boost/endian/buffers.hpp>
 #include <fc/config.hpp>
 #include <fc/container/flat_fwd.hpp>
 #include <fc/io/varint.hpp>
@@ -117,6 +118,10 @@ namespace fc {
     template<typename Stream> inline void pack( Stream& s, const char* v, uint32_t _max_depth=FC_PACK_MAX_DEPTH );
     template<typename Stream> inline void pack( Stream& s, const std::vector<char>& value, uint32_t _max_depth=FC_PACK_MAX_DEPTH );
     template<typename Stream> inline void unpack( Stream& s, std::vector<char>& value, uint32_t _max_depth=FC_PACK_MAX_DEPTH );
+    template<typename Stream, boost::endian::order O, class T, std::size_t N, boost::endian::align A>
+    inline void pack( Stream& s, const boost::endian::endian_buffer<O,T,N,A>& v, uint32_t _max_depth );
+    template<typename Stream, boost::endian::order O, class T, std::size_t N, boost::endian::align A>
+    inline void unpack( Stream& s, boost::endian::endian_buffer<O,T,N,A>& v, uint32_t _max_depth );
 
     template<typename Stream, typename T, size_t N> inline void pack( Stream& s, const fc::array<T,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH );
     template<typename Stream, typename T, size_t N> inline void unpack( Stream& s, fc::array<T,N>& v, uint32_t _max_depth=FC_PACK_MAX_DEPTH);
diff --git a/include/fc/variant.hpp b/include/fc/variant.hpp
index c98e796..8da0b2a 100644
--- a/include/fc/variant.hpp
+++ b/include/fc/variant.hpp
@@ -12,6 +12,7 @@
 
 #include <fc/optional.hpp>
 #include <fc/container/flat_fwd.hpp>
+#include <boost/endian/buffers.hpp>
 #include <boost/multi_index_container_fwd.hpp>
 
 #ifdef FC_ASSERT
@@ -165,6 +166,19 @@ namespace fc
    template<typename A, typename B>
    void from_variant( const variant& v, std::pair<A,B>& p, uint32_t max_depth );
 
+   template<boost::endian::order O, class T, std::size_t N, boost::endian::align A>
+   void to_variant( const boost::endian::endian_buffer<O,T,N,A>& var, variant& vo,  uint32_t max_depth )
+   {
+      to_variant( var.value(), vo, max_depth );
+   }
+   template<boost::endian::order O, class T, std::size_t N, boost::endian::align A>
+   void from_variant( const variant& var, boost::endian::endian_buffer<O,T,N,A>& vo, uint32_t max_depth )
+   {
+      T tmp;
+      from_variant( var, tmp, max_depth );
+      vo = tmp;
+   }
+
    /**
     * @brief stores null, int64, uint64, double, bool, string, std::vector<variant>,
     *        and variant_object's.