monero/tests/unit_tests/serialization.cpp

// Copyright (c) 2014-2016, The Monero 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

#include <cstring>
#include <cstdint>
#include <cstdio>
#include <iostream>
#include <vector>
#include <boost/foreach.hpp>
#include <boost/archive/portable_binary_iarchive.hpp>
#include "cryptonote_core/cryptonote_basic.h"
#include "cryptonote_core/cryptonote_basic_impl.h"
#include "ringct/rctSigs.h"
#include "serialization/serialization.h"
#include "serialization/binary_archive.h"
#include "serialization/json_archive.h"
#include "serialization/debug_archive.h"
#include "serialization/variant.h"
#include "serialization/vector.h"
#include "serialization/binary_utils.h"
#include "wallet/wallet2.h"
#include "gtest/gtest.h"
using namespace std;

struct Struct
{
  int32_t a;
  int32_t b;
  char blob[8];
};

template <class Archive>
struct serializer<Archive, Struct>
{
  static bool serialize(Archive &ar, Struct &s) {
    ar.begin_object();
    ar.tag("a");
    ar.serialize_int(s.a);
    ar.tag("b");
    ar.serialize_int(s.b);
    ar.tag("blob");
    ar.serialize_blob(s.blob, sizeof(s.blob));
    ar.end_object();
    return true;
  }
};

struct Struct1
{
  vector<boost::variant<Struct, int32_t>> si;
  vector<int16_t> vi;

  BEGIN_SERIALIZE_OBJECT()
    FIELD(si)
    FIELD(vi)
  END_SERIALIZE()
  /*template <bool W, template <bool> class Archive>
  bool do_serialize(Archive<W> &ar)
  {
    ar.begin_object();
    ar.tag("si");
    ::do_serialize(ar, si);
    ar.tag("vi");
    ::do_serialize(ar, vi);
    ar.end_object();
  }*/
};

struct Blob
{
  uint64_t a;
  uint32_t b;

  bool operator==(const Blob& rhs) const
  {
    return a == rhs.a;
  }
};

VARIANT_TAG(binary_archive, Struct, 0xe0);
VARIANT_TAG(binary_archive, int, 0xe1);
VARIANT_TAG(json_archive, Struct, "struct");
VARIANT_TAG(json_archive, int, "int");
VARIANT_TAG(debug_archive, Struct1, "struct1");
VARIANT_TAG(debug_archive, Struct, "struct");
VARIANT_TAG(debug_archive, int, "int");

BLOB_SERIALIZER(Blob);

bool try_parse(const string &blob)
{
  Struct1 s1;
  return serialization::parse_binary(blob, s1);
}

TEST(Serialization, BinaryArchiveInts) {
  uint64_t x = 0xff00000000, x1;

  ostringstream oss;
  binary_archive<true> oar(oss);
  oar.serialize_int(x);
  ASSERT_TRUE(oss.good());
  ASSERT_EQ(8, oss.str().size());
  ASSERT_EQ(string("\0\0\0\0\xff\0\0\0", 8), oss.str());

  istringstream iss(oss.str());
  binary_archive<false> iar(iss);
  iar.serialize_int(x1);
  ASSERT_EQ(8, iss.tellg());
  ASSERT_TRUE(iss.good());

  ASSERT_EQ(x, x1);
}

TEST(Serialization, BinaryArchiveVarInts) {
  uint64_t x = 0xff00000000, x1;

  ostringstream oss;
  binary_archive<true> oar(oss);
  oar.serialize_varint(x);
  ASSERT_TRUE(oss.good());
  ASSERT_EQ(6, oss.str().size());
  ASSERT_EQ(string("\x80\x80\x80\x80\xF0\x1F", 6), oss.str());

  istringstream iss(oss.str());
  binary_archive<false> iar(iss);
  iar.serialize_varint(x1);
  ASSERT_TRUE(iss.good());
  ASSERT_EQ(x, x1);
}

TEST(Serialization, Test1) {
  ostringstream str;
  binary_archive<true> ar(str);

  Struct1 s1;
  s1.si.push_back(0);
  {
    Struct s;
    s.a = 5;
    s.b = 65539;
    std::memcpy(s.blob, "12345678", 8);
    s1.si.push_back(s);
  }
  s1.si.push_back(1);
  s1.vi.push_back(10);
  s1.vi.push_back(22);

  string blob;
  ASSERT_TRUE(serialization::dump_binary(s1, blob));
  ASSERT_TRUE(try_parse(blob));

  ASSERT_EQ('\xE0', blob[6]);
  blob[6] = '\xE1';
  ASSERT_FALSE(try_parse(blob));
  blob[6] = '\xE2';
  ASSERT_FALSE(try_parse(blob));
}

TEST(Serialization, Overflow) {
  Blob x = { 0xff00000000 };
  Blob x1;

  string blob;
  ASSERT_TRUE(serialization::dump_binary(x, blob));
  ASSERT_EQ(sizeof(Blob), blob.size());

  ASSERT_TRUE(serialization::parse_binary(blob, x1));
  ASSERT_EQ(x, x1);

  vector<Blob> bigvector;
  ASSERT_FALSE(serialization::parse_binary(blob, bigvector));
  ASSERT_EQ(0, bigvector.size());
}

TEST(Serialization, serializes_vector_uint64_as_varint)
{
  std::vector<uint64_t> v;
  string blob;

  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(1, blob.size());

  // +1 byte
  v.push_back(0);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(2, blob.size());

  // +1 byte
  v.push_back(1);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(3, blob.size());

  // +2 bytes
  v.push_back(0x80);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(5, blob.size());

  // +2 bytes
  v.push_back(0xFF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(7, blob.size());

  // +2 bytes
  v.push_back(0x3FFF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(9, blob.size());

  // +3 bytes
  v.push_back(0x40FF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(12, blob.size());

  // +10 bytes
  v.push_back(0xFFFFFFFFFFFFFFFF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(22, blob.size());
}

TEST(Serialization, serializes_vector_int64_as_fixed_int)
{
  std::vector<int64_t> v;
  string blob;

  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(1, blob.size());

  // +8 bytes
  v.push_back(0);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(9, blob.size());

  // +8 bytes
  v.push_back(1);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(17, blob.size());

  // +8 bytes
  v.push_back(0x80);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(25, blob.size());

  // +8 bytes
  v.push_back(0xFF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(33, blob.size());

  // +8 bytes
  v.push_back(0x3FFF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(41, blob.size());

  // +8 bytes
  v.push_back(0x40FF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(49, blob.size());

  // +8 bytes
  v.push_back(0xFFFFFFFFFFFFFFFF);
  ASSERT_TRUE(serialization::dump_binary(v, blob));
  ASSERT_EQ(57, blob.size());
}

namespace
{
  template<typename T>
  std::vector<T> linearize_vector2(const std::vector< std::vector<T> >& vec_vec)
  {
    std::vector<T> res;
    BOOST_FOREACH(const auto& vec, vec_vec)
    {
      res.insert(res.end(), vec.begin(), vec.end());
    }
    return res;
  }
}

TEST(Serialization, serializes_transacion_signatures_correctly)
{
  using namespace cryptonote;

  transaction tx;
  transaction tx1;
  string blob;

  // Empty tx
  tx.set_null();
  ASSERT_TRUE(serialization::dump_binary(tx, blob));
  ASSERT_EQ(5, blob.size()); // 5 bytes + 0 bytes extra + 0 bytes signatures
  ASSERT_TRUE(serialization::parse_binary(blob, tx1));
  ASSERT_EQ(tx, tx1);
  ASSERT_EQ(linearize_vector2(tx.signatures), linearize_vector2(tx1.signatures));

  // Miner tx without signatures
  txin_gen txin_gen1;
  txin_gen1.height = 0;
  tx.set_null();
  tx.vin.push_back(txin_gen1);
  ASSERT_TRUE(serialization::dump_binary(tx, blob));
  ASSERT_EQ(7, blob.size()); // 5 bytes + 2 bytes vin[0] + 0 bytes extra + 0 bytes signatures
  ASSERT_TRUE(serialization::parse_binary(blob, tx1));
  ASSERT_EQ(tx, tx1);
  ASSERT_EQ(linearize_vector2(tx.signatures), linearize_vector2(tx1.signatures));

  // Miner tx with empty signatures 2nd vector
  tx.signatures.resize(1);
  ASSERT_TRUE(serialization::dump_binary(tx, blob));
  ASSERT_EQ(7, blob.size()); // 5 bytes + 2 bytes vin[0] + 0 bytes extra + 0 bytes signatures
  ASSERT_TRUE(serialization::parse_binary(blob, tx1));
  ASSERT_EQ(tx, tx1);
  ASSERT_EQ(linearize_vector2(tx.signatures), linearize_vector2(tx1.signatures));

  // Miner tx with one signature
  tx.signatures[0].resize(1);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // Miner tx with 2 empty vectors
  tx.signatures.resize(2);
  tx.signatures[0].resize(0);
  tx.signatures[1].resize(0);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // Miner tx with 2 signatures
  tx.signatures[0].resize(1);
  tx.signatures[1].resize(1);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // Two txin_gen, no signatures
  tx.vin.push_back(txin_gen1);
  tx.signatures.resize(0);
  ASSERT_TRUE(serialization::dump_binary(tx, blob));
  ASSERT_EQ(9, blob.size()); // 5 bytes + 2 * 2 bytes vins + 0 bytes extra + 0 bytes signatures
  ASSERT_TRUE(serialization::parse_binary(blob, tx1));
  ASSERT_EQ(tx, tx1);
  ASSERT_EQ(linearize_vector2(tx.signatures), linearize_vector2(tx1.signatures));

  // Two txin_gen, signatures vector contains only one empty element
  tx.signatures.resize(1);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // Two txin_gen, signatures vector contains two empty elements
  tx.signatures.resize(2);
  ASSERT_TRUE(serialization::dump_binary(tx, blob));
  ASSERT_EQ(9, blob.size()); // 5 bytes + 2 * 2 bytes vins + 0 bytes extra + 0 bytes signatures
  ASSERT_TRUE(serialization::parse_binary(blob, tx1));
  ASSERT_EQ(tx, tx1);
  ASSERT_EQ(linearize_vector2(tx.signatures), linearize_vector2(tx1.signatures));

  // Two txin_gen, signatures vector contains three empty elements
  tx.signatures.resize(3);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // Two txin_gen, signatures vector contains two non empty elements
  tx.signatures.resize(2);
  tx.signatures[0].resize(1);
  tx.signatures[1].resize(1);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // A few bytes instead of signature
  tx.vin.clear();
  tx.vin.push_back(txin_gen1);
  tx.signatures.clear();
  ASSERT_TRUE(serialization::dump_binary(tx, blob));
  blob.append(std::string(sizeof(crypto::signature) / 2, 'x'));
  ASSERT_FALSE(serialization::parse_binary(blob, tx1));

  // blob contains one signature
  blob.append(std::string(sizeof(crypto::signature) / 2, 'y'));
  ASSERT_FALSE(serialization::parse_binary(blob, tx1));

  // Not enough signature vectors for all inputs
  txin_to_key txin_to_key1;
  txin_to_key1.amount = 1;
  memset(&txin_to_key1.k_image, 0x42, sizeof(crypto::key_image));
  txin_to_key1.key_offsets.push_back(12);
  txin_to_key1.key_offsets.push_back(3453);
  tx.vin.clear();
  tx.vin.push_back(txin_to_key1);
  tx.vin.push_back(txin_to_key1);
  tx.signatures.resize(1);
  tx.signatures[0].resize(2);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // Too much signatures for two inputs
  tx.signatures.resize(3);
  tx.signatures[0].resize(2);
  tx.signatures[1].resize(2);
  tx.signatures[2].resize(2);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // First signatures vector contains too little elements
  tx.signatures.resize(2);
  tx.signatures[0].resize(1);
  tx.signatures[1].resize(2);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // First signatures vector contains too much elements
  tx.signatures.resize(2);
  tx.signatures[0].resize(3);
  tx.signatures[1].resize(2);
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // There are signatures for each input
  tx.signatures.resize(2);
  tx.signatures[0].resize(2);
  tx.signatures[1].resize(2);
  ASSERT_TRUE(serialization::dump_binary(tx, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, tx1));
  ASSERT_EQ(tx, tx1);
  ASSERT_EQ(linearize_vector2(tx.signatures), linearize_vector2(tx1.signatures));

  // Blob doesn't contain enough data
  blob.resize(blob.size() - sizeof(crypto::signature) / 2);
  ASSERT_FALSE(serialization::parse_binary(blob, tx1));

  // Blob contains too much data
  blob.resize(blob.size() + sizeof(crypto::signature));
  ASSERT_FALSE(serialization::parse_binary(blob, tx1));

  // Blob contains one excess signature
  blob.resize(blob.size() + sizeof(crypto::signature) / 2);
  ASSERT_FALSE(serialization::parse_binary(blob, tx1));
}

TEST(Serialization, serializes_ringct_types)
{
  string blob;
  rct::key key0, key1;
  rct::keyV keyv0, keyv1;
  rct::keyM keym0, keym1;
  rct::ctkey ctkey0, ctkey1;
  rct::ctkeyV ctkeyv0, ctkeyv1;
  rct::ctkeyM ctkeym0, ctkeym1;
  rct::ecdhTuple ecdh0, ecdh1;
  rct::boroSig boro0, boro1;
  rct::mgSig mg0, mg1;
  rct::rangeSig rg0, rg1;
  rct::rctSig s0, s1;
  cryptonote::transaction tx0, tx1;

  key0 = rct::skGen();
  ASSERT_TRUE(serialization::dump_binary(key0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, key1));
  ASSERT_TRUE(key0 == key1);

  keyv0 = rct::skvGen(30);
  for (size_t n = 0; n < keyv0.size(); ++n)
    keyv0[n] = rct::skGen();
  ASSERT_TRUE(serialization::dump_binary(keyv0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, keyv1));
  ASSERT_TRUE(keyv0.size() == keyv1.size());
  for (size_t n = 0; n < keyv0.size(); ++n)
  {
    ASSERT_TRUE(keyv0[n] == keyv1[n]);
  }

  keym0 = rct::keyMInit(9, 12);
  for (size_t n = 0; n < keym0.size(); ++n)
    for (size_t i = 0; i < keym0[n].size(); ++i)
      keym0[n][i] = rct::skGen();
  ASSERT_TRUE(serialization::dump_binary(keym0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, keym1));
  ASSERT_TRUE(keym0.size() == keym1.size());
  for (size_t n = 0; n < keym0.size(); ++n)
  {
    ASSERT_TRUE(keym0[n].size() == keym1[n].size());
    for (size_t i = 0; i < keym0[n].size(); ++i)
    {
      ASSERT_TRUE(keym0[n][i] == keym1[n][i]);
    }
  }

  rct::skpkGen(ctkey0.dest, ctkey0.mask);
  ASSERT_TRUE(serialization::dump_binary(ctkey0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, ctkey1));
  ASSERT_TRUE(!memcmp(&ctkey0, &ctkey1, sizeof(ctkey0)));

  ctkeyv0 = std::vector<rct::ctkey>(14);
  for (size_t n = 0; n < ctkeyv0.size(); ++n)
    rct::skpkGen(ctkeyv0[n].dest, ctkeyv0[n].mask);
  ASSERT_TRUE(serialization::dump_binary(ctkeyv0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, ctkeyv1));
  ASSERT_TRUE(ctkeyv0.size() == ctkeyv1.size());
  for (size_t n = 0; n < ctkeyv0.size(); ++n)
  {
    ASSERT_TRUE(!memcmp(&ctkeyv0[n], &ctkeyv1[n], sizeof(ctkeyv0[n])));
  }

  ctkeym0 = std::vector<rct::ctkeyV>(9);
  for (size_t n = 0; n < ctkeym0.size(); ++n)
  {
    ctkeym0[n] = std::vector<rct::ctkey>(11);
    for (size_t i = 0; i < ctkeym0[n].size(); ++i)
      rct::skpkGen(ctkeym0[n][i].dest, ctkeym0[n][i].mask);
  }
  ASSERT_TRUE(serialization::dump_binary(ctkeym0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, ctkeym1));
  ASSERT_TRUE(ctkeym0.size() == ctkeym1.size());
  for (size_t n = 0; n < ctkeym0.size(); ++n)
  {
    ASSERT_TRUE(ctkeym0[n].size() == ctkeym1[n].size());
    for (size_t i = 0; i < ctkeym0.size(); ++i)
    {
      ASSERT_TRUE(!memcmp(&ctkeym0[n][i], &ctkeym1[n][i], sizeof(ctkeym0[n][i])));
    }
  }

  ecdh0.mask = rct::skGen();
  ecdh0.amount = rct::skGen();
  ecdh0.senderPk = rct::skGen();
  ASSERT_TRUE(serialization::dump_binary(ecdh0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, ecdh1));
  ASSERT_TRUE(!memcmp(&ecdh0.mask, &ecdh1.mask, sizeof(ecdh0.mask)));
  ASSERT_TRUE(!memcmp(&ecdh0.amount, &ecdh1.amount, sizeof(ecdh0.amount)));
  // senderPk is not serialized

  for (size_t n = 0; n < 64; ++n)
  {
    boro0.s0[n] = rct::skGen();
    boro0.s1[n] = rct::skGen();
  }
  boro0.ee = rct::skGen();
  ASSERT_TRUE(serialization::dump_binary(boro0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, boro1));
  ASSERT_TRUE(!memcmp(&boro0, &boro1, sizeof(boro0)));

  // create a full rct signature to use its innards
  rct::ctkeyV sc, pc;
  rct::ctkey sctmp, pctmp;
  tie(sctmp, pctmp) = rct::ctskpkGen(6000);
  sc.push_back(sctmp);
  pc.push_back(pctmp);
  tie(sctmp, pctmp) = rct::ctskpkGen(7000);
  sc.push_back(sctmp);
  pc.push_back(pctmp);
  vector<uint64_t> amounts;
  rct::keyV amount_keys;
  //add output 500
  amounts.push_back(500);
  amount_keys.push_back(rct::hash_to_scalar(rct::zero()));
  rct::keyV destinations;
  rct::key Sk, Pk;
  rct::skpkGen(Sk, Pk);
  destinations.push_back(Pk);
  //add output for 12500
  amounts.push_back(12500);
  amount_keys.push_back(rct::hash_to_scalar(rct::zero()));
  rct::skpkGen(Sk, Pk);
  destinations.push_back(Pk);
  //compute rct data with mixin 500
  s0 = rct::genRct(rct::zero(), sc, pc, destinations, amounts, amount_keys, 3);

  mg0 = s0.p.MGs[0];
  ASSERT_TRUE(serialization::dump_binary(mg0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, mg1));
  ASSERT_TRUE(mg0.ss.size() == mg1.ss.size());
  for (size_t n = 0; n < mg0.ss.size(); ++n)
  {
    ASSERT_TRUE(mg0.ss[n] == mg1.ss[n]);
  }
  ASSERT_TRUE(mg0.cc == mg1.cc);

  // mixRing and II are not serialized, they are meant to be reconstructed
  ASSERT_TRUE(mg1.II.empty());

  rg0 = s0.p.rangeSigs.front();
  ASSERT_TRUE(serialization::dump_binary(rg0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, rg1));
  ASSERT_TRUE(!memcmp(&rg0, &rg1, sizeof(rg0)));

#if 0
  ASSERT_TRUE(serialization::dump_binary(s0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, s1));
  ASSERT_TRUE(s0.type == s1.type);
  ASSERT_TRUE(s0.p.rangeSigs.size() == s1.p.rangeSigs.size());
  for (size_t n = 0; n < s0.p.rangeSigs.size(); ++n)
  {
    ASSERT_TRUE(!memcmp(&s0.p.rangeSigs[n], &s1.p.rangeSigs[n], sizeof(s0.p.rangeSigs[n])));
  }
  ASSERT_TRUE(s0.p.MGs.size() == s1.p.MGs.size());
  ASSERT_TRUE(s0.p.MGs[0].ss.size() == s1.p.MGs[0].ss.size());
  for (size_t n = 0; n < s0.p.MGs[0].ss.size(); ++n)
  {
    ASSERT_TRUE(s0.p.MGs[0].ss[n] == s1.p.MGs[0].ss[n]);
  }
  ASSERT_TRUE(s0.p.MGs[0].cc == s1.p.MGs[0].cc);
  // mixRing and II are not serialized, they are meant to be reconstructed
  ASSERT_TRUE(s1.p.MGs[0].II.empty());

  // mixRing and II are not serialized, they are meant to be reconstructed
  ASSERT_TRUE(s1.mixRing.size() == 0);

  ASSERT_TRUE(s0.ecdhInfo.size() == s1.ecdhInfo.size());
  for (size_t n = 0; n < s0.ecdhInfo.size(); ++n)
  {
    ASSERT_TRUE(!memcmp(&s0.ecdhInfo[n], &s1.ecdhInfo[n], sizeof(s0.ecdhInfo[n])));
  }
  ASSERT_TRUE(s0.outPk.size() == s1.outPk.size());
  for (size_t n = 0; n < s0.outPk.size(); ++n)
  {
    // serialization only does the mask
    ASSERT_TRUE(!memcmp(&s0.outPk[n].mask, &s1.outPk[n].mask, sizeof(s0.outPk[n].mask)));
  }
#endif

  tx0.set_null();
  tx0.version = 2;
  cryptonote::txin_to_key txin_to_key1{};
  txin_to_key1.amount = 100;
  txin_to_key1.key_offsets.resize(4);
  cryptonote::txin_to_key txin_to_key2{};
  txin_to_key2.amount = 200;
  txin_to_key2.key_offsets.resize(4);
  tx0.vin.push_back(txin_to_key1);
  tx0.vin.push_back(txin_to_key2);
  tx0.vout.push_back(cryptonote::tx_out());
  tx0.vout.push_back(cryptonote::tx_out());
  tx0.rct_signatures = s0;
  ASSERT_EQ(tx0.rct_signatures.p.rangeSigs.size(), 2);
  ASSERT_TRUE(serialization::dump_binary(tx0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, tx1));
  ASSERT_EQ(tx1.rct_signatures.p.rangeSigs.size(), 2);
  std::string blob2;
  ASSERT_TRUE(serialization::dump_binary(tx1, blob2));
  ASSERT_TRUE(blob == blob2);
}

TEST(Serialization, portability_wallet)
{
  const bool testnet = true;
  const bool restricted = false;
  tools::wallet2 w(testnet, restricted);
  string wallet_file = "../data/wallet_9svHk1";
  string password = "test";
  bool r = false;
  try
  {
    w.load(wallet_file, password);
    r = true;
  }
  catch (const exception& e)
  {}
  ASSERT_TRUE(r);
  /*
  fields of tools::wallet2 to be checked: 
    std::vector<crypto::hash>                                       m_blockchain
    std::vector<transfer_details>                                   m_transfers               // TODO
    cryptonote::account_public_address                              m_account_public_address
    std::unordered_map<crypto::key_image, size_t>                   m_key_images
    std::unordered_map<crypto::hash, unconfirmed_transfer_details>  m_unconfirmed_txs
    std::unordered_multimap<crypto::hash, payment_details>          m_payments
    std::unordered_map<crypto::hash, crypto::secret_key>            m_tx_keys
    std::unordered_map<crypto::hash, confirmed_transfer_details>    m_confirmed_txs
    std::unordered_map<crypto::hash, std::string>                   m_tx_notes
    std::unordered_map<crypto::hash, payment_details>               m_unconfirmed_payments
    std::unordered_map<crypto::public_key, size_t>                  m_pub_keys
    std::vector<tools::wallet2::address_book_row>                   m_address_book
  */
  // blockchain
  ASSERT_TRUE(w.m_blockchain.size() == 1);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_blockchain[0]) == "48ca7cd3c8de5b6a4d53d2861fbdaedca141553559f9be9520068053cda8430b");
  // transfers (TODO)
  ASSERT_TRUE(w.m_transfers.size() == 3);
  // account public address
  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_account_public_address.m_view_public_key) == "e47d4b6df6ab7339539148c2a03ad3e2f3434e5ab2046848e1f21369a3937cad");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_account_public_address.m_spend_public_key) == "13daa2af00ad26a372d317195de0bdd716f7a05d33bc4d7aff1664b6ee93c060");
  // key images
  ASSERT_TRUE(w.m_key_images.size() == 3);
  {
    crypto::key_image ki[3];
    epee::string_tools::hex_to_pod("c5680d3735b90871ca5e3d90cd82d6483eed1151b9ab75c2c8c3a7d89e00a5a8", ki[0]);
    epee::string_tools::hex_to_pod("d54cbd435a8d636ad9b01b8d4f3eb13bd0cf1ce98eddf53ab1617f9b763e66c0", ki[1]);
    epee::string_tools::hex_to_pod("6c3cd6af97c4070a7aef9b1344e7463e29c7cd245076fdb65da447a34da3ca76", ki[2]);
    ASSERT_TRUE(w.m_key_images.find(ki[0])->second == 0);
    ASSERT_TRUE(w.m_key_images.find(ki[1])->second == 1);
    ASSERT_TRUE(w.m_key_images.find(ki[2])->second == 2);
  }
  // unconfirmed txs
  ASSERT_TRUE(w.m_unconfirmed_txs.size() == 0);
  // payments
  ASSERT_TRUE(w.m_payments.size() == 2);
  {
    auto pd0 = w.m_payments.begin();
    auto pd1 = pd0;
    ++pd1;
    ASSERT_TRUE(epee::string_tools::pod_to_hex(pd0->first) == "0000000000000000000000000000000000000000000000000000000000000000");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(pd1->first) == "0000000000000000000000000000000000000000000000000000000000000000");
    if (epee::string_tools::pod_to_hex(pd0->second.m_tx_hash) == "ec34c9bb12b99af33d49691384eee5bed9171498ff04e59516505f35d1fc5efc")
      swap(pd0, pd1);
    ASSERT_TRUE(epee::string_tools::pod_to_hex(pd0->second.m_tx_hash) == "15024343b38e77a1a9860dfed29921fa17e833fec837191a6b04fa7cb9605b8e");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(pd1->second.m_tx_hash) == "ec34c9bb12b99af33d49691384eee5bed9171498ff04e59516505f35d1fc5efc");
    ASSERT_TRUE(pd0->second.m_amount == 13400845012231);
    ASSERT_TRUE(pd1->second.m_amount == 1200000000000);
    ASSERT_TRUE(pd0->second.m_block_height == 818424);
    ASSERT_TRUE(pd1->second.m_block_height == 818522);
    ASSERT_TRUE(pd0->second.m_unlock_time == 818484);
    ASSERT_TRUE(pd1->second.m_unlock_time == 0);
    ASSERT_TRUE(pd0->second.m_timestamp == 1483263366);
    ASSERT_TRUE(pd1->second.m_timestamp == 1483272963);
  }
  // tx keys
  ASSERT_TRUE(w.m_tx_keys.size() == 2);
  {
    auto tx_key0 = w.m_tx_keys.begin();
    auto tx_key1 = tx_key0;
    ++tx_key1;
    if (epee::string_tools::pod_to_hex(tx_key0->first) == "6e7013684d35820f66c6679197ded9329bfe0e495effa47e7b25258799858dba")
      swap(tx_key0, tx_key1);
    ASSERT_TRUE(epee::string_tools::pod_to_hex(tx_key0->first) == "b9aac8c020ab33859e0c0b6331f46a8780d349e7ac17b067116e2d87bf48daad");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(tx_key1->first) == "6e7013684d35820f66c6679197ded9329bfe0e495effa47e7b25258799858dba");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(tx_key0->second) == "bf3614c6de1d06c09add5d92a5265d8c76af706f7bc6ac830d6b0d109aa87701");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(tx_key1->second) == "e556884246df5a787def6732c6ea38f1e092fa13e5ea98f732b99c07a6332003");
  }
  // confirmed txs
  ASSERT_TRUE(w.m_confirmed_txs.size() == 1);
  // tx notes
  ASSERT_TRUE(w.m_tx_notes.size() == 2);
  {
    crypto::hash h[2];
    epee::string_tools::hex_to_pod("15024343b38e77a1a9860dfed29921fa17e833fec837191a6b04fa7cb9605b8e", h[0]);
    epee::string_tools::hex_to_pod("6e7013684d35820f66c6679197ded9329bfe0e495effa47e7b25258799858dba", h[1]);
    ASSERT_TRUE(w.m_tx_notes.find(h[0])->second == "sample note");
    ASSERT_TRUE(w.m_tx_notes.find(h[1])->second == "sample note 2");
  }
  // unconfirmed payments
  ASSERT_TRUE(w.m_unconfirmed_payments.size() == 0);
  // pub keys
  ASSERT_TRUE(w.m_pub_keys.size() == 3);
  {
    crypto::public_key pubkey[3];
    epee::string_tools::hex_to_pod("33f75f264574cb3a9ea5b24220a5312e183d36dc321c9091dfbb720922a4f7b0", pubkey[0]);
    epee::string_tools::hex_to_pod("5066ff2ce9861b1d131cf16eeaa01264933a49f28242b97b153e922ec7b4b3cb", pubkey[1]);
    epee::string_tools::hex_to_pod("0d8467e16e73d16510452b78823e082e05ee3a63788d40de577cf31eb555f0c8", pubkey[2]);
    ASSERT_TRUE(w.m_pub_keys.find(pubkey[0])->second == 0);
    ASSERT_TRUE(w.m_pub_keys.find(pubkey[1])->second == 1);
    ASSERT_TRUE(w.m_pub_keys.find(pubkey[2])->second == 2);
  }
  // address book
  ASSERT_TRUE(w.m_address_book.size() == 1);
  {
    auto address_book_row = w.m_address_book.begin();
    ASSERT_TRUE(epee::string_tools::pod_to_hex(address_book_row->m_address.m_spend_public_key) == "9bc53a6ff7b0831c9470f71b6b972dbe5ad1e8606f72682868b1dda64e119fb3");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(address_book_row->m_address.m_view_public_key) == "49fece1ef97dc0c0f7a5e2106e75e96edd910f7e86b56e1e308cd0cf734df191");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(address_book_row->m_payment_id) == "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef");
    ASSERT_TRUE(address_book_row->m_description == "testnet wallet 9y52S6");
  }
}

#define OUTPUT_EXPORT_FILE_MAGIC "Monero output export\003"
TEST(Serialization, portability_outputs)
{
  // read file
  const std::string filename = "../data/outputs";
  std::string data;
  bool r = epee::file_io_utils::load_file_to_string(filename, data);
  ASSERT_TRUE(r);
  const size_t magiclen = strlen(OUTPUT_EXPORT_FILE_MAGIC);
  ASSERT_FALSE(data.size() < magiclen || memcmp(data.data(), OUTPUT_EXPORT_FILE_MAGIC, magiclen));
  // decrypt (copied from wallet2::decrypt)
  auto decrypt = [] (const std::string &ciphertext, const crypto::secret_key &skey, bool authenticated) -> string
  {
    const size_t prefix_size = sizeof(chacha8_iv) + (authenticated ? sizeof(crypto::signature) : 0);
    if(ciphertext.size() < prefix_size)
      return {};
    crypto::chacha8_key key;
    crypto::generate_chacha8_key(&skey, sizeof(skey), key);
    const crypto::chacha8_iv &iv = *(const crypto::chacha8_iv*)&ciphertext[0];
    std::string plaintext;
    plaintext.resize(ciphertext.size() - prefix_size);
    if (authenticated)
    {
      crypto::hash hash;
      crypto::cn_fast_hash(ciphertext.data(), ciphertext.size() - sizeof(signature), hash);
      crypto::public_key pkey;
      crypto::secret_key_to_public_key(skey, pkey);
      const crypto::signature &signature = *(const crypto::signature*)&ciphertext[ciphertext.size() - sizeof(crypto::signature)];
      if(!crypto::check_signature(hash, pkey, signature))
        return {};
    }
    crypto::chacha8(ciphertext.data() + sizeof(iv), ciphertext.size() - prefix_size, key, iv, &plaintext[0]);
    return std::move(plaintext);
  };
  crypto::secret_key view_secret_key;
  epee::string_tools::hex_to_pod("339673bb1187e2f73ba7841ab6841c5553f96e9f13f8fe6612e69318db4e9d0a", view_secret_key);
  bool authenticated = true;
  data = decrypt(std::string(data, magiclen), view_secret_key, authenticated);
  ASSERT_FALSE(data.empty());
  // check public view/spend keys
  const size_t headerlen = 2 * sizeof(crypto::public_key);
  ASSERT_FALSE(data.size() < headerlen);
  const crypto::public_key &public_spend_key = *(const crypto::public_key*)&data[0];
  const crypto::public_key &public_view_key = *(const crypto::public_key*)&data[sizeof(crypto::public_key)];
  ASSERT_TRUE(epee::string_tools::pod_to_hex(public_spend_key) == "13daa2af00ad26a372d317195de0bdd716f7a05d33bc4d7aff1664b6ee93c060");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(public_view_key) == "e47d4b6df6ab7339539148c2a03ad3e2f3434e5ab2046848e1f21369a3937cad");
  r = false;
  std::vector<tools::wallet2::transfer_details> outputs;
  try
  {
    std::istringstream iss(std::string(data, headerlen));
    boost::archive::portable_binary_iarchive ar(iss);
    ar >> outputs;
    r = true;
  }
  catch (...)
  {}
  ASSERT_TRUE(r);
  /*
  fields of tools::wallet2::transfer_details to be checked: 
    uint64_t                        m_block_height
    cryptonote::transaction_prefix  m_tx                        // TODO
    crypto::hash                    m_txid
    size_t                          m_internal_output_index
    uint64_t                        m_global_output_index
    bool                            m_spent
    uint64_t                        m_spent_height
    crypto::key_image               m_key_image
    rct::key                        m_mask
    uint64_t                        m_amount
    bool                            m_rct
    bool                            m_key_image_known
    size_t                          m_pk_index
  */
  ASSERT_TRUE(outputs.size() == 3);
  auto& td0 = outputs[0];
  auto& td1 = outputs[1];
  auto& td2 = outputs[2];
  ASSERT_TRUE(td0.m_block_height == 818424);
  ASSERT_TRUE(td1.m_block_height == 818522);
  ASSERT_TRUE(td2.m_block_height == 818522);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_txid) == "15024343b38e77a1a9860dfed29921fa17e833fec837191a6b04fa7cb9605b8e");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_txid) == "ec34c9bb12b99af33d49691384eee5bed9171498ff04e59516505f35d1fc5efc");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_txid) == "6e7013684d35820f66c6679197ded9329bfe0e495effa47e7b25258799858dba");
  ASSERT_TRUE(td0.m_internal_output_index == 0);
  ASSERT_TRUE(td1.m_internal_output_index == 0);
  ASSERT_TRUE(td2.m_internal_output_index == 1);
  ASSERT_TRUE(td0.m_global_output_index == 19642);
  ASSERT_TRUE(td1.m_global_output_index == 19757);
  ASSERT_TRUE(td2.m_global_output_index == 19760);
  ASSERT_TRUE (td0.m_spent);
  ASSERT_FALSE(td1.m_spent);
  ASSERT_FALSE(td2.m_spent);
  ASSERT_TRUE(td0.m_spent_height == 0);
  ASSERT_TRUE(td1.m_spent_height == 0);
  ASSERT_TRUE(td2.m_spent_height == 0);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_key_image) == "c5680d3735b90871ca5e3d90cd82d6483eed1151b9ab75c2c8c3a7d89e00a5a8");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_key_image) == "d54cbd435a8d636ad9b01b8d4f3eb13bd0cf1ce98eddf53ab1617f9b763e66c0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_key_image) == "6c3cd6af97c4070a7aef9b1344e7463e29c7cd245076fdb65da447a34da3ca76");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_mask) == "0100000000000000000000000000000000000000000000000000000000000000");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_mask) == "d3997a7b27fa199a377643b88cbd3f20f447496746dabe92d288730ecaeda007");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_mask) == "789bafff169ef206aa21219342c69ca52ce1d78d776c10b21d14bdd960fc7703");
  ASSERT_TRUE(td0.m_amount == 13400845012231);
  ASSERT_TRUE(td1.m_amount == 1200000000000);
  ASSERT_TRUE(td2.m_amount == 11066009260865);
  ASSERT_TRUE(td0.m_rct);
  ASSERT_TRUE(td1.m_rct);
  ASSERT_TRUE(td2.m_rct);
  ASSERT_TRUE(td0.m_key_image_known);
  ASSERT_TRUE(td1.m_key_image_known);
  ASSERT_TRUE(td2.m_key_image_known);
  ASSERT_TRUE(td0.m_pk_index == 0);
  ASSERT_TRUE(td1.m_pk_index == 0);
  ASSERT_TRUE(td2.m_pk_index == 0);
}

#define UNSIGNED_TX_PREFIX "Monero unsigned tx set\003"
TEST(Serialization, portability_unsigned_tx)
{
  const string filename = "../data/unsigned_monero_tx";
  std::string s;
  const bool testnet = true;
  bool r = epee::file_io_utils::load_file_to_string(filename, s);
  ASSERT_TRUE(r);
  const size_t magiclen = strlen(UNSIGNED_TX_PREFIX);
  ASSERT_FALSE(strncmp(s.c_str(), UNSIGNED_TX_PREFIX, magiclen));
  tools::wallet2::unsigned_tx_set exported_txs;
  s = s.substr(magiclen);
  r = false;
  try
  {
    std::istringstream iss(s);
    boost::archive::portable_binary_iarchive ar(iss);
    ar >> exported_txs;
    r = true;
  }
  catch (...)  
  {}
  ASSERT_TRUE(r);
  /*
  fields of tools::wallet2::unsigned_tx_set to be checked:
    std::vector<tx_construction_data> txes
    std::vector<wallet2::transfer_details> m_transfers

  fields of toolw::wallet2::tx_construction_data to be checked:
    std::vector<cryptonote::tx_source_entry>      sources
    cryptonote::tx_destination_entry              change_dts
    std::vector<cryptonote::tx_destination_entry> splitted_dsts
    std::list<size_t>                             selected_transfers
    std::vector<uint8_t>                          extra
    uint64_t                                      unlock_time
    bool                                          use_rct
    std::vector<cryptonote::tx_destination_entry> dests
  
  fields of cryptonote::tx_source_entry to be checked:
    std::vector<std::pair<uint64_t, rct::ctkey>>  outputs
    size_t                                        real_output
    crypto::public_key                            real_out_tx_key
    size_t                                        real_output_in_tx_index
    uint64_t                                      amount
    bool                                          rct
    rct::key                                      mask
  
  fields of cryptonote::tx_destination_entry to be checked:
    uint64_t                amount
    account_public_address  addr
  */
  // txes
  ASSERT_TRUE(exported_txs.txes.size() == 1);
  auto& tcd = exported_txs.txes[0];
  // tcd.sources
  ASSERT_TRUE(tcd.sources.size() == 1);
  auto& tse = tcd.sources[0];
  // tcd.sources[0].outputs
  ASSERT_TRUE(tse.outputs.size() == 5);
  auto& out0 = tse.outputs[0];
  auto& out1 = tse.outputs[1];
  auto& out2 = tse.outputs[2];
  auto& out3 = tse.outputs[3];
  auto& out4 = tse.outputs[4];
  ASSERT_TRUE(out0.first == 6295);
  ASSERT_TRUE(out1.first == 14302);
  ASSERT_TRUE(out2.first == 17598);
  ASSERT_TRUE(out3.first == 18671);
  ASSERT_TRUE(out4.first == 19760);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out0.second) == "e7272cb589954ddeedd20de9411ed57265f154d41f33cec9ff69e5d642e09814096490b0ac85308342acf436cc0270d53abef9dc04c6202f2459e879bfd40ce6");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out1.second) == "c3a9f49d1fe75939cc3feb39871ce0a7366c2879a63faa1a5cf34e65723b120a272ff0c7d84ab8b6ee3528d196450b0e28b3fed276bc2597a2b5b17afb9354ab");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out2.second) == "176e239c8c39000c2275e2f63ed7d55c55e0843524091522bbd3d3b869044969021fad70fc1244115449d4754829ae7c47346342ee5d52a2cdd47dfc351d0ab0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out3.second) == "ef12d7946302fb064f2ba9df1a73d72233ac74664ed3b370580fa3bdc377542ad93f64898bd95851d6efe0d7bf2dbbea9b7c6b3c57e2c807e7b17d55b4622259");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out4.second) == "0d8467e16e73d16510452b78823e082e05ee3a63788d40de577cf31eb555f0c8525096cbc88d00a841eed66f3cdb6f0a018e6ce9fb9433ed61afba15cbbebd04");
  // tcd.sources[0].{real_output, real_out_tx_key, real_output_in_tx_index, amount, rct, mask}
  ASSERT_TRUE(tse.real_output == 4);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.real_out_tx_key) == "4d86c7ba1c285fe4bc1cd7b54ba894fa89fa02fc6b0bbeea67d53251acd14a05");
  ASSERT_TRUE(tse.real_output_in_tx_index == 1); 
  ASSERT_TRUE(tse.amount == 11066009260865);
  ASSERT_TRUE(tse.rct);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.mask) == "789bafff169ef206aa21219342c69ca52ce1d78d776c10b21d14bdd960fc7703");
  // tcd.change_dts
  ASSERT_TRUE(tcd.change_dts.amount == 9631208773403);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, tcd.change_dts.addr) == "9svHk1wHPo3ULf2AZykghzcye6sitaRE4MaDjPC6uanTHCynHjJHZaiAb922PojE1GexhhRt1LVf5DC43feyrRZMLXQr3mk");
  // tcd.splitted_dsts
  ASSERT_TRUE(tcd.splitted_dsts.size() == 2);
  auto& splitted_dst0 = tcd.splitted_dsts[0];
  auto& splitted_dst1 = tcd.splitted_dsts[1];
  ASSERT_TRUE(splitted_dst0.amount == 1400000000000);
  ASSERT_TRUE(splitted_dst1.amount == 9631208773403);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, splitted_dst0.addr) == "9xnhrMczQkPeoGi6dyu6BgKAYX4tZsDs6KHCkyTStDBKL4M4pM1gfCR3utmTAcSaKHGa1R5o266FbdnubErmij3oMdLyYgA");
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, splitted_dst1.addr) == "9svHk1wHPo3ULf2AZykghzcye6sitaRE4MaDjPC6uanTHCynHjJHZaiAb922PojE1GexhhRt1LVf5DC43feyrRZMLXQr3mk");
  // tcd.selected_transfers
  ASSERT_TRUE(tcd.selected_transfers.size() == 1);
  ASSERT_TRUE(tcd.selected_transfers.front() == 2);
  // tcd.extra
  ASSERT_TRUE(tcd.extra.size() == 68);
  string tcd_extra_str = epee::string_tools::buff_to_hex(string(reinterpret_cast<char*>(tcd.extra.data()), tcd.extra.size()));
  ASSERT_TRUE(tcd_extra_str == "0x2 0x21 0x0 0xf8 0xd 0xbc 0xfc 0xa2 0x2d 0x84 0x1e 0xa0 0x46 0x18 0x7a 0x5b 0x19 0xea 0x4d 0xd1 0xa2 0x8a 0x58 0xa8 0x72 0x9 0xd5 0xdf 0x2 0x30 0x60 0xac 0x9e 0x48 0x84 0x1 0xb2 0xfd 0x5d 0x4e 0x45 0x8b 0xf1 0x28 0xa0 0xc8 0x30 0xd1 0x35 0x4f 0x47 0xb9 0xed 0xc9 0x82 0x8c 0x83 0x37 0x7d 0xb6 0xb5 0xe5 0x3d 0xff 0x64 0xb0 0xde 0x7f ");
  // tcd.{unlock_time, use_rct}
  ASSERT_TRUE(tcd.unlock_time == 0);
  ASSERT_TRUE(tcd.use_rct);
  // tcd.dests
  ASSERT_TRUE(tcd.dests.size() == 1);
  auto& dest = tcd.dests[0];
  ASSERT_TRUE(dest.amount == 1400000000000);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, dest.addr) == "9xnhrMczQkPeoGi6dyu6BgKAYX4tZsDs6KHCkyTStDBKL4M4pM1gfCR3utmTAcSaKHGa1R5o266FbdnubErmij3oMdLyYgA");
  // transfers
  ASSERT_TRUE(exported_txs.transfers.size() == 3);
  auto& td0 = exported_txs.transfers[0];
  auto& td1 = exported_txs.transfers[1];
  auto& td2 = exported_txs.transfers[2];
  ASSERT_TRUE(td0.m_block_height == 818424);
  ASSERT_TRUE(td1.m_block_height == 818522);
  ASSERT_TRUE(td2.m_block_height == 818522);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_txid) == "15024343b38e77a1a9860dfed29921fa17e833fec837191a6b04fa7cb9605b8e");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_txid) == "ec34c9bb12b99af33d49691384eee5bed9171498ff04e59516505f35d1fc5efc");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_txid) == "6e7013684d35820f66c6679197ded9329bfe0e495effa47e7b25258799858dba");
  ASSERT_TRUE(td0.m_internal_output_index == 0);
  ASSERT_TRUE(td1.m_internal_output_index == 0);
  ASSERT_TRUE(td2.m_internal_output_index == 1);
  ASSERT_TRUE(td0.m_global_output_index == 19642);
  ASSERT_TRUE(td1.m_global_output_index == 19757);
  ASSERT_TRUE(td2.m_global_output_index == 19760);
  ASSERT_TRUE (td0.m_spent);
  ASSERT_FALSE(td1.m_spent);
  ASSERT_FALSE(td2.m_spent);
  ASSERT_TRUE(td0.m_spent_height == 0);
  ASSERT_TRUE(td1.m_spent_height == 0);
  ASSERT_TRUE(td2.m_spent_height == 0);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_key_image) == "c5680d3735b90871ca5e3d90cd82d6483eed1151b9ab75c2c8c3a7d89e00a5a8");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_key_image) == "d54cbd435a8d636ad9b01b8d4f3eb13bd0cf1ce98eddf53ab1617f9b763e66c0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_key_image) == "6c3cd6af97c4070a7aef9b1344e7463e29c7cd245076fdb65da447a34da3ca76");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_mask) == "0100000000000000000000000000000000000000000000000000000000000000");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_mask) == "d3997a7b27fa199a377643b88cbd3f20f447496746dabe92d288730ecaeda007");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_mask) == "789bafff169ef206aa21219342c69ca52ce1d78d776c10b21d14bdd960fc7703");
  ASSERT_TRUE(td0.m_amount == 13400845012231);
  ASSERT_TRUE(td1.m_amount == 1200000000000);
  ASSERT_TRUE(td2.m_amount == 11066009260865);
  ASSERT_TRUE(td0.m_rct);
  ASSERT_TRUE(td1.m_rct);
  ASSERT_TRUE(td2.m_rct);
  ASSERT_TRUE(td0.m_key_image_known);
  ASSERT_TRUE(td1.m_key_image_known);
  ASSERT_TRUE(td2.m_key_image_known);
  ASSERT_TRUE(td0.m_pk_index == 0);
  ASSERT_TRUE(td1.m_pk_index == 0);
  ASSERT_TRUE(td2.m_pk_index == 0);
}

#define SIGNED_TX_PREFIX "Monero signed tx set\003"
TEST(Serialization, portability_signed_tx)
{
  const string filename = "../data/signed_monero_tx";
  const bool testnet = true;
  std::string s;
  bool r = epee::file_io_utils::load_file_to_string(filename, s);
  ASSERT_TRUE(r);
  const size_t magiclen = strlen(SIGNED_TX_PREFIX);
  ASSERT_FALSE(strncmp(s.c_str(), SIGNED_TX_PREFIX, magiclen));
  tools::wallet2::signed_tx_set exported_txs;
  s = s.substr(magiclen);
  r = false;
  try
  {
    std::istringstream iss(s);
    boost::archive::portable_binary_iarchive ar(iss);
    ar >> exported_txs;
    r = true;
  }
  catch (...)
  {}
  ASSERT_TRUE(r);
  /*
  fields of tools::wallet2::signed_tx_set to be checked:
    std::vector<pending_tx>         ptx
    std::vector<crypto::key_image>  key_images
  
  fields of tools::walllet2::pending_tx to be checked:
    cryptonote::transaction                       tx                  // TODO
    uint64_t                                      dust
    uint64_t                                      fee
    bool                                          dust_added_to_fee
    cryptonote::tx_destination_entry              change_dts
    std::list<size_t>                             selected_transfers
    std::string                                   key_images
    crypto::secret_key                            tx_key
    std::vector<cryptonote::tx_destination_entry> dests
    tx_construction_data                          construction_data
  */
  // ptx
  ASSERT_TRUE(exported_txs.ptx.size() == 1);
  auto& ptx = exported_txs.ptx[0];
  // ptx.{dust, fee, dust_added_to_fee}
  ASSERT_TRUE (ptx.dust == 0);
  ASSERT_TRUE (ptx.fee == 34800487462);
  ASSERT_FALSE(ptx.dust_added_to_fee);
  // ptx.change.{amount, addr}
  ASSERT_TRUE(ptx.change_dts.amount == 9631208773403);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, ptx.change_dts.addr) == "9svHk1wHPo3ULf2AZykghzcye6sitaRE4MaDjPC6uanTHCynHjJHZaiAb922PojE1GexhhRt1LVf5DC43feyrRZMLXQr3mk");
  // ptx.selected_transfers
  ASSERT_TRUE(ptx.selected_transfers.size() == 1);
  ASSERT_TRUE(ptx.selected_transfers.front() == 2);
  // ptx.{key_images, tx_key}
  ASSERT_TRUE(ptx.key_images == "<6c3cd6af97c4070a7aef9b1344e7463e29c7cd245076fdb65da447a34da3ca76> ");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(ptx.tx_key) == "0100000000000000000000000000000000000000000000000000000000000000");
  // ptx.dests
  ASSERT_TRUE(ptx.dests.size() == 1);
  ASSERT_TRUE(ptx.dests[0].amount == 1400000000000);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, ptx.dests[0].addr) == "9xnhrMczQkPeoGi6dyu6BgKAYX4tZsDs6KHCkyTStDBKL4M4pM1gfCR3utmTAcSaKHGa1R5o266FbdnubErmij3oMdLyYgA");
  // ptx.construction_data
  auto& tcd = ptx.construction_data;
  ASSERT_TRUE(tcd.sources.size() == 1);
  auto& tse = tcd.sources[0];
  // ptx.construction_data.sources[0].outputs
  ASSERT_TRUE(tse.outputs.size() == 5);
  auto& out0 = tse.outputs[0];
  auto& out1 = tse.outputs[1];
  auto& out2 = tse.outputs[2];
  auto& out3 = tse.outputs[3];
  auto& out4 = tse.outputs[4];
  ASSERT_TRUE(out0.first == 6295);
  ASSERT_TRUE(out1.first == 14302);
  ASSERT_TRUE(out2.first == 17598);
  ASSERT_TRUE(out3.first == 18671);
  ASSERT_TRUE(out4.first == 19760);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out0.second) == "e7272cb589954ddeedd20de9411ed57265f154d41f33cec9ff69e5d642e09814096490b0ac85308342acf436cc0270d53abef9dc04c6202f2459e879bfd40ce6");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out1.second) == "c3a9f49d1fe75939cc3feb39871ce0a7366c2879a63faa1a5cf34e65723b120a272ff0c7d84ab8b6ee3528d196450b0e28b3fed276bc2597a2b5b17afb9354ab");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out2.second) == "176e239c8c39000c2275e2f63ed7d55c55e0843524091522bbd3d3b869044969021fad70fc1244115449d4754829ae7c47346342ee5d52a2cdd47dfc351d0ab0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out3.second) == "ef12d7946302fb064f2ba9df1a73d72233ac74664ed3b370580fa3bdc377542ad93f64898bd95851d6efe0d7bf2dbbea9b7c6b3c57e2c807e7b17d55b4622259");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out4.second) == "0d8467e16e73d16510452b78823e082e05ee3a63788d40de577cf31eb555f0c8525096cbc88d00a841eed66f3cdb6f0a018e6ce9fb9433ed61afba15cbbebd04");
  // ptx.construction_data.sources[0].{real_output, real_out_tx_key, real_output_in_tx_index, amount, rct, mask}
  ASSERT_TRUE(tse.real_output == 4);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.real_out_tx_key) == "4d86c7ba1c285fe4bc1cd7b54ba894fa89fa02fc6b0bbeea67d53251acd14a05");
  ASSERT_TRUE(tse.real_output_in_tx_index == 1); 
  ASSERT_TRUE(tse.amount == 11066009260865);
  ASSERT_TRUE(tse.rct);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.mask) == "789bafff169ef206aa21219342c69ca52ce1d78d776c10b21d14bdd960fc7703");
  // ptx.construction_data.change_dts
  ASSERT_TRUE(tcd.change_dts.amount == 9631208773403);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, tcd.change_dts.addr) == "9svHk1wHPo3ULf2AZykghzcye6sitaRE4MaDjPC6uanTHCynHjJHZaiAb922PojE1GexhhRt1LVf5DC43feyrRZMLXQr3mk");
  // ptx.construction_data.splitted_dsts
  ASSERT_TRUE(tcd.splitted_dsts.size() == 2);
  auto& splitted_dst0 = tcd.splitted_dsts[0];
  auto& splitted_dst1 = tcd.splitted_dsts[1];
  ASSERT_TRUE(splitted_dst0.amount == 1400000000000);
  ASSERT_TRUE(splitted_dst1.amount == 9631208773403);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, splitted_dst0.addr) == "9xnhrMczQkPeoGi6dyu6BgKAYX4tZsDs6KHCkyTStDBKL4M4pM1gfCR3utmTAcSaKHGa1R5o266FbdnubErmij3oMdLyYgA");
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, splitted_dst1.addr) == "9svHk1wHPo3ULf2AZykghzcye6sitaRE4MaDjPC6uanTHCynHjJHZaiAb922PojE1GexhhRt1LVf5DC43feyrRZMLXQr3mk");
  // ptx.construction_data.selected_transfers
  ASSERT_TRUE(tcd.selected_transfers.size() == 1);
  ASSERT_TRUE(tcd.selected_transfers.front() == 2);
  // ptx.construction_data.extra
  ASSERT_TRUE(tcd.extra.size() == 68);
  string tcd_extra_str = epee::string_tools::buff_to_hex(string(reinterpret_cast<char*>(tcd.extra.data()), tcd.extra.size()));
  ASSERT_TRUE(tcd_extra_str == "0x2 0x21 0x0 0xf8 0xd 0xbc 0xfc 0xa2 0x2d 0x84 0x1e 0xa0 0x46 0x18 0x7a 0x5b 0x19 0xea 0x4d 0xd1 0xa2 0x8a 0x58 0xa8 0x72 0x9 0xd5 0xdf 0x2 0x30 0x60 0xac 0x9e 0x48 0x84 0x1 0xb2 0xfd 0x5d 0x4e 0x45 0x8b 0xf1 0x28 0xa0 0xc8 0x30 0xd1 0x35 0x4f 0x47 0xb9 0xed 0xc9 0x82 0x8c 0x83 0x37 0x7d 0xb6 0xb5 0xe5 0x3d 0xff 0x64 0xb0 0xde 0x7f ");
  // ptx.construction_data.{unlock_time, use_rct}
  ASSERT_TRUE(tcd.unlock_time == 0);
  ASSERT_TRUE(tcd.use_rct);
  // ptx.construction_data.dests
  ASSERT_TRUE(tcd.dests.size() == 1);
  auto& dest = tcd.dests[0];
  ASSERT_TRUE(dest.amount == 1400000000000);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(testnet, dest.addr) == "9xnhrMczQkPeoGi6dyu6BgKAYX4tZsDs6KHCkyTStDBKL4M4pM1gfCR3utmTAcSaKHGa1R5o266FbdnubErmij3oMdLyYgA");
  // key_images
  ASSERT_TRUE(exported_txs.key_images.size() == 3);
  auto& ki0 = exported_txs.key_images[0];
  auto& ki1 = exported_txs.key_images[1];
  auto& ki2 = exported_txs.key_images[2];
  ASSERT_TRUE(epee::string_tools::pod_to_hex(ki0) == "c5680d3735b90871ca5e3d90cd82d6483eed1151b9ab75c2c8c3a7d89e00a5a8");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(ki1) == "d54cbd435a8d636ad9b01b8d4f3eb13bd0cf1ce98eddf53ab1617f9b763e66c0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(ki2) == "6c3cd6af97c4070a7aef9b1344e7463e29c7cd245076fdb65da447a34da3ca76");
}