// Copyright (c) 2014-2018, 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_basic/cryptonote_basic.h"
#include "cryptonote_basic/cryptonote_basic_impl.h"
#include "ringct/rctSigs.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"
#include "unit_tests_utils.h"
#include "device/device.hpp"
using namespace std;
using namespace crypto;

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);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

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

  // Two txin_gen, no signatures
  tx.vin.push_back(txin_gen1);
  tx.signatures.resize(0);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  ASSERT_FALSE(serialization::dump_binary(tx, blob));

  // Two txin_gen, signatures vector contains two empty elements
  tx.signatures.resize(2);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  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();
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  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);
  tx.invalidate_hashes();
  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::Bulletproof bp0, bp1;
  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();
  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)));

  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
  vector<uint64_t> inamounts;
  rct::ctkeyV sc, pc;
  rct::ctkey sctmp, pctmp;
  inamounts.push_back(6000);
  tie(sctmp, pctmp) = rct::ctskpkGen(inamounts.back());
  sc.push_back(sctmp);
  pc.push_back(pctmp);
  inamounts.push_back(7000);
  tie(sctmp, pctmp) = rct::ctskpkGen(inamounts.back());
  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 3
  const rct::RCTConfig rct_config{ rct::RangeProofPaddedBulletproof, 0 };
  s0 = rct::genRctSimple(rct::zero(), sc, pc, destinations, inamounts, amounts, amount_keys, NULL, NULL, 0, 3, rct_config, hw::get_device("default"));

  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());

  ASSERT_FALSE(s0.p.bulletproofs.empty());
  bp0 = s0.p.bulletproofs.front();
  ASSERT_TRUE(serialization::dump_binary(bp0, blob));
  ASSERT_TRUE(serialization::parse_binary(blob, bp1));
  bp1.V = bp0.V; // this is not saved, as it is reconstructed from other tx data
  ASSERT_EQ(bp0, bp1);
}

// TODO(loki): These tests are broken because they rely on testnet which has
// since been restarted, and so the genesis block of these predefined wallets
// are broken
//             - 2019-02-25 Doyle

#if 0
TEST(Serialization, portability_wallet)
{
  const cryptonote::network_type nettype = cryptonote::TESTNET;
  tools::wallet2 w(nettype);
  const boost::filesystem::path wallet_file = unit_test::data_dir / "wallet_testnet";
  string password = "test";
  bool r = false;
  try
  {
    w.load(wallet_file.string(), 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() == 11652);

  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_blockchain[0]) == "da0d7c7824d82c15fc1e046259ce16a7d216e0c0f4406122e207127cf9a77bec");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_blockchain[1]) == "ca9fcde568ad56e01342fa951db7cd0b8f8bdb8a7bf64eb3aa16af79fd44cfab");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_blockchain[11635]) == "84adf6f5a518fcebfea31c304334f7f9358fed610b40034576c46a8c4870b310");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_blockchain[11636]) == "e991be0387c636496ebd224fa9d135dfa917c4b6129bfcfed1458b77666d8b5c");

  // 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) == "fa871f6af764d2b3fc43eddb9f311b73b387652809992afa5ca3acacc6ff44b0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(w.m_account_public_address.m_spend_public_key) == "efb5d51e3ab4a7c09c207f85650c970eeb671f03d98defcb70265930c0d86240");

  // key images
  ASSERT_TRUE(w.m_key_images.size() == 3);
  {
    crypto::key_image ki[3];
    epee::string_tools::hex_to_pod("05e1050df8262068682951b459a722495bfd5d070300e96a8d52c6255e300f11", ki[0]);
    epee::string_tools::hex_to_pod("21dfe89b3dbde221eccd9b71e7f6383c81f9ada224a670956c895b230749a8d8", ki[1]);
    epee::string_tools::hex_to_pod("92194cadfbb4f1317d25d39d6216cbf1030a2170a3edb47b5f008345a879150d", ki[2]);
    ASSERT_EQ_MAP(0, w.m_key_images, ki[0]);
    ASSERT_EQ_MAP(1, w.m_key_images, ki[1]);
    ASSERT_EQ_MAP(2, w.m_key_images, ki[2]);
  }

  // unconfirmed txs
  ASSERT_TRUE(w.m_unconfirmed_txs.size() == 0);

  // payments
  ASSERT_TRUE(w.m_payments.size() == 1);
  {
    auto pd0 = w.m_payments.begin();

    ASSERT_TRUE(epee::string_tools::pod_to_hex(pd0->first) == "0000000000000000000000000000000000000000000000000000000000000000");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(pd0->second.m_tx_hash) == "b77633fe663a07283b071d16c3b783fe838389273fde373a569ad08cb214ab1b");
    ASSERT_TRUE(pd0->second.m_amount       == 100000000000);
    ASSERT_TRUE(pd0->second.m_block_height == 8478);
    ASSERT_TRUE(pd0->second.m_unlock_time  == 0);
    ASSERT_TRUE(pd0->second.m_timestamp    == 1524445103);
  }

  // tx keys
  ASSERT_TRUE(w.m_tx_keys.size() == 1);
  {
    const std::vector<std::pair<std::string, std::string>> txid_txkey =
    {
      {"d986bc2e49ed83a990424ac42b2db9be0264be54c7ce13f7a8dca5177aa4781c", "b99125ba84a13ed3ee74a3327fd4f34ac11cd580f05e8560b49e755f2586a30b"},
    };

    for (size_t i = 0; i < txid_txkey.size(); ++i)
    {
      crypto::hash txid;
      crypto::secret_key txkey;
      epee::string_tools::hex_to_pod(txid_txkey[i].first, txid);
      epee::string_tools::hex_to_pod(txid_txkey[i].second, txkey);
      ASSERT_EQ_MAP(txkey, w.m_tx_keys, txid);
    }
  }

  // confirmed txs
  ASSERT_TRUE(w.m_confirmed_txs.size() == 2);

  // tx notes
  ASSERT_TRUE(w.m_tx_notes.size() == 1);
  {
    crypto::hash h[1];
    epee::string_tools::hex_to_pod("d986bc2e49ed83a990424ac42b2db9be0264be54c7ce13f7a8dca5177aa4781c", h[0]);
    ASSERT_EQ_MAP("Unconfirmed transaction test", w.m_tx_notes, h[0]);
  }

  // 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("cc6ac78ac21c034210dcce72a96909b8ba7abd1b3d3917b5ee0c5bc0fe1f6a55", pubkey[0]);
    epee::string_tools::hex_to_pod("4cea6373d27bdde002a745ef025375e36ca4b1042c4defdaf2fc56a48ef67230", pubkey[1]);
    epee::string_tools::hex_to_pod("b143a6f53cf20f986cbfe87ace7d33143275457dfaa5ea6f14cb78861302dbff", pubkey[2]);
    ASSERT_EQ_MAP(0, w.m_pub_keys, pubkey[0]);
    ASSERT_EQ_MAP(1, w.m_pub_keys, pubkey[1]);
    ASSERT_EQ_MAP(2, w.m_pub_keys, pubkey[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) == "938fc84cbacb271fdbc9bfc34e9d887f4bdb89f20a9d4e2c05916d6b9f6a7cb8");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(address_book_row->m_address.m_view_public_key) == "9eec0bbb1728bce79209e1ae995cbae8e3f6cf78f7262b5db049594e4907bb33");
    ASSERT_TRUE(epee::string_tools::pod_to_hex(address_book_row->m_payment_id) == "e0470453783dd65dc16bb740f82902b9a26a48216e4c89278586637011c858a3");
    ASSERT_TRUE(address_book_row->m_description == "A test address");
  }
}

#define OUTPUT_EXPORT_FILE_MAGIC "Loki output export\003"
TEST(Serialization, portability_outputs)
{
  const bool restricted = false;
  tools::wallet2 w(cryptonote::TESTNET, restricted);

  const boost::filesystem::path wallet_file = unit_test::data_dir / "wallet_testnet";
  const string password = "test";
  w.load(wallet_file.string(), password);

  // read file
  const boost::filesystem::path filename = unit_test::data_dir / "outputs";
  std::string data;
  bool r = epee::file_io_utils::load_file_to_string(filename.string(), 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(chacha_iv) + (authenticated ? sizeof(crypto::signature) : 0);
    if(ciphertext.size() < prefix_size)
      return {};
    crypto::chacha_key key;
    crypto::generate_chacha_key(&skey, sizeof(skey), key, 1);
    const crypto::chacha_iv &iv = *(const crypto::chacha_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 plaintext;
  };
  crypto::secret_key view_secret_key;
  epee::string_tools::hex_to_pod("cb979d21cde0fbcafb9ff083791a6771b750534948ede6d66058609884b27604", 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) == "efb5d51e3ab4a7c09c207f85650c970eeb671f03d98defcb70265930c0d86240");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(public_view_key)  == "fa871f6af764d2b3fc43eddb9f311b73b387652809992afa5ca3acacc6ff44b0");
  r = false;
  std::vector<tools::wallet2::transfer_details> outputs;

  try
  {
    std::string body(data, headerlen);
    std::stringstream iss;
    iss << body;
    try
    {
      boost::archive::portable_binary_iarchive ar(iss);
      ar >> outputs;
      r = true;
    }
    catch (...)
    {
    }
  }
  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 == 8478);
  ASSERT_TRUE(td1.m_block_height == 11034);
  ASSERT_TRUE(td2.m_block_height == 11651);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_txid) == "b77633fe663a07283b071d16c3b783fe838389273fde373a569ad08cb214ab1b");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_txid) == "4baf027b724623c524c539c5aec441a41c5c76730e4074280189005797a7329d");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_txid) == "d986bc2e49ed83a990424ac42b2db9be0264be54c7ce13f7a8dca5177aa4781c");
  ASSERT_TRUE(td0.m_internal_output_index == 1);
  ASSERT_TRUE(td1.m_internal_output_index == 1);
  ASSERT_TRUE(td2.m_internal_output_index == 1);
  ASSERT_TRUE(td0.m_global_output_index == 17104);
  ASSERT_TRUE(td1.m_global_output_index == 22324);
  ASSERT_TRUE(td2.m_global_output_index == 23560);
  ASSERT_TRUE(td0.m_spent);
  ASSERT_TRUE(td1.m_spent);
  ASSERT_FALSE(td2.m_spent);
  ASSERT_TRUE(td0.m_spent_height == 11034);
  ASSERT_TRUE(td1.m_spent_height == 11651);
  ASSERT_TRUE(td2.m_spent_height == 0);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_key_image) == "05e1050df8262068682951b459a722495bfd5d070300e96a8d52c6255e300f11");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_key_image) == "21dfe89b3dbde221eccd9b71e7f6383c81f9ada224a670956c895b230749a8d8");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_key_image) == "92194cadfbb4f1317d25d39d6216cbf1030a2170a3edb47b5f008345a879150d");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_mask) == "e87548646fdca2caf508c7036e975593063beb38ce6345dcebf6a4f78ac6690a");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_mask) == "270fbc097ac0ce6d46f7d731ef8f6c28e7d29091106d50d8db5a96c2b43b0009");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_mask) == "fedf66717b339fdcdd70809a20af7b4314645c859f3c71738567c0c0372f3509");
  ASSERT_TRUE(td0.m_amount == 100000000000);
  ASSERT_TRUE(td1.m_amount == 47531982120);
  ASSERT_TRUE(td2.m_amount == 35464004140);
  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 "Loki unsigned tx set\004"
struct unsigned_tx_set
{
  std::vector<tools::wallet2::tx_construction_data> txes;
  tools::wallet2::transfer_container transfers;
};
template <class Archive>
inline void serialize(Archive &a, unsigned_tx_set &x, const boost::serialization::version_type ver)
{
  a & x.txes;
  a & x.transfers;
}
TEST(Serialization, portability_unsigned_tx)
{
  // TODO(loki): We updated testnet genesis, is broken
  const bool restricted = false;
  tools::wallet2 w(cryptonote::TESTNET, restricted);

  const boost::filesystem::path filename    = unit_test::data_dir / "unsigned_loki_tx";
  const boost::filesystem::path wallet_file = unit_test::data_dir / "wallet_testnet";
  const string password = "test";
  w.load(wallet_file.string(), password);

  std::string s;
  const cryptonote::network_type nettype = cryptonote::TESTNET;
  bool r = epee::file_io_utils::load_file_to_string(filename.string(), s);
  ASSERT_TRUE(r);
  size_t const magiclen = strlen(UNSIGNED_TX_PREFIX);
  ASSERT_FALSE(strncmp(s.c_str(), UNSIGNED_TX_PREFIX, magiclen));
  unsigned_tx_set exported_txs;
  s = s.substr(magiclen);
  r = false;

  try
  {
    s = w.decrypt_with_view_secret_key(s);
    try
    {
      std::istringstream iss(s);
      boost::archive::portable_binary_iarchive ar(iss);
      ar >> exported_txs;
      r = true;
    }
    catch (...)
    {
    }
  }
  catch (const std::exception &e)
  {
  }

  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() == 10);
  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];
  auto& out5 = tse.outputs[5];
  auto& out6 = tse.outputs[6];
  auto& out7 = tse.outputs[7];
  auto& out8 = tse.outputs[8];
  auto& out9 = tse.outputs[9];

  ASSERT_TRUE(out0.first == 4905);
  ASSERT_TRUE(out1.first == 7366);
  ASSERT_TRUE(out2.first == 14589);
  ASSERT_TRUE(out3.first == 16559);
  ASSERT_TRUE(out4.first == 19748);
  ASSERT_TRUE(out5.first == 21209);
  ASSERT_TRUE(out6.first == 21695);
  ASSERT_TRUE(out7.first == 23200);
  ASSERT_TRUE(out8.first == 23236);
  ASSERT_TRUE(out9.first == 23560);

  ASSERT_TRUE(epee::string_tools::pod_to_hex(out0.second) == "b92dd8689d86f3ddf4a21998f9f206dfa478b2944a5a272be6ac0896a406b0186b94ba5f17c6aa64a4cc1332825e1176952417f671ea04342fe6f156c951417d");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out1.second) == "50cb891b4cda04360647b4e0c764de48c7ec82807f844f2fe5446d2684b8df403cba128103c46f40f1564e78b640d8fa11bb2a9d40579e792de30f4febae5ac0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out2.second) == "fb046f73105eca35aac2ea9befb1be75649456e8e69b78a7104c925f0546e890ea03efb93dddd97a9527248f423d3c1a7afffdf0efff8c844feecf0fe72449fe");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out3.second) == "49c0d412f994b69d09458a8af7602f2ed2fd41d8e430a694d6c0fa5e17bc507ab096d83facce8e3f6381244fe97070e344d71a9d7380f74b9bef209c20308549");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out4.second) == "f4c96b02d97e480fd20d9ad063f10787114ddda3d7a200b532283c4f25707d7ae49bc555dbd83d17a089c1c3acde66dce6a163f75e19835d58f15c2d2cb90c42");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out5.second) == "0e7ca50fec28b7a6f47ee293b7ef9c9522f85fd5bb60ac3105edb9ef8d1e3c079ded4d5d3a45cf6a67200b0e434e7b057230274fed40305e96cab710319bf5cc");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out6.second) == "806d57c9a2ab3402c171332c3fad13838dd125df846f076ca4545e0304b121525525ce94d662ab1eff88cbce06d1bcec37bf1042c3d9b20d04f743bd7392c05e");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out7.second) == "92306e8714fb9c958e3e1df44e798b8c64bb09264d2c97e994b18af4c2fc89e4eab67da527dd194e087a811ae419e5012e32eea80d0c54ef6e39e389bad14edb");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out8.second) == "e29aeceb86042442cbaf15e3907e8bcd254a8740810a75b5583f853a9fdc2228bc74f6a7198c89f7cf770f6c76755f7285fdb13761abaa72d5c79be33d0bd199");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out9.second) == "b143a6f53cf20f986cbfe87ace7d33143275457dfaa5ea6f14cb78861302dbffd013ecf4ffecb0bc694eb4e12cf36b55c80b150acae7a3da42a99b9932dcdd22");

  // tcd.sources[0].{real_output, real_out_tx_key, real_output_in_tx_index, amount, rct, mask}
  ASSERT_TRUE(tse.real_output == 9);

  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.real_out_tx_key) == "1e2092d2e8a72eaec814d8e7ecab9276f2779a5c58324a0fb057e24ffa11a14e");
  ASSERT_TRUE(tse.real_output_in_tx_index == 1);

  ASSERT_TRUE(tse.amount == 35464004140);
  ASSERT_TRUE(tse.rct);

  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.mask) == "fedf66717b339fdcdd70809a20af7b4314645c859f3c71738567c0c0372f3509");

  // tcd.change_dts
  ASSERT_TRUE(tcd.change_dts.amount == 25396028820);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, tcd.change_dts.addr) == "T6UC2BbT5qMV4QgLDd92aoSGTN43yye3eh7JuikVhGWBHSBjsdauotocF5rZK8E8cG5bKU36Mv75r8BwXr8M26ri1bCtF165e");

  // 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 == 10000000000);
  ASSERT_TRUE(splitted_dst1.amount == 25396028820);

  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, splitted_dst0.addr) == "T6TQ8id855U7YZFtT2wvCkPqCGhFujMfaE5NE15UWNKjMrxCHGsFLQPYbcSLjoF9xwYGFzbC6LdDw8Fhr5DNsjJe2cDkK1fSM");
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, splitted_dst1.addr) == "T6UC2BbT5qMV4QgLDd92aoSGTN43yye3eh7JuikVhGWBHSBjsdauotocF5rZK8E8cG5bKU36Mv75r8BwXr8M26ri1bCtF165e");

  // 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);

  // 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 == 10000000000);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, dest.addr) == "T6TQ8id855U7YZFtT2wvCkPqCGhFujMfaE5NE15UWNKjMrxCHGsFLQPYbcSLjoF9xwYGFzbC6LdDw8Fhr5DNsjJe2cDkK1fSM");

  // 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 == 8478);
  ASSERT_TRUE(td1.m_block_height == 11034);
  ASSERT_TRUE(td2.m_block_height == 11651);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_txid) == "b77633fe663a07283b071d16c3b783fe838389273fde373a569ad08cb214ab1b");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_txid) == "4baf027b724623c524c539c5aec441a41c5c76730e4074280189005797a7329d");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_txid) == "d986bc2e49ed83a990424ac42b2db9be0264be54c7ce13f7a8dca5177aa4781c");
  ASSERT_TRUE(td0.m_internal_output_index == 1);
  ASSERT_TRUE(td1.m_internal_output_index == 1);
  ASSERT_TRUE(td2.m_internal_output_index == 1);
  ASSERT_TRUE(td0.m_global_output_index == 17104);
  ASSERT_TRUE(td1.m_global_output_index == 22324);
  ASSERT_TRUE(td2.m_global_output_index == 23560);
  ASSERT_TRUE(td0.m_spent);
  ASSERT_TRUE(td1.m_spent);
  ASSERT_FALSE(td2.m_spent);
  ASSERT_TRUE(td0.m_spent_height == 11034);
  ASSERT_TRUE(td1.m_spent_height == 11651);
  ASSERT_TRUE(td2.m_spent_height == 0);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_key_image) == "05e1050df8262068682951b459a722495bfd5d070300e96a8d52c6255e300f11");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_key_image) == "21dfe89b3dbde221eccd9b71e7f6383c81f9ada224a670956c895b230749a8d8");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_key_image) == "92194cadfbb4f1317d25d39d6216cbf1030a2170a3edb47b5f008345a879150d");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td0.m_mask) == "e87548646fdca2caf508c7036e975593063beb38ce6345dcebf6a4f78ac6690a");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td1.m_mask) == "270fbc097ac0ce6d46f7d731ef8f6c28e7d29091106d50d8db5a96c2b43b0009");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(td2.m_mask) == "fedf66717b339fdcdd70809a20af7b4314645c859f3c71738567c0c0372f3509");
  ASSERT_TRUE(td0.m_amount == 100000000000);
  ASSERT_TRUE(td1.m_amount == 47531982120);
  ASSERT_TRUE(td2.m_amount == 35464004140);
  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 "Loki signed tx set\004"
TEST(Serialization, portability_signed_tx)
{
  const bool restricted = false;
  tools::wallet2 w(cryptonote::TESTNET, restricted);

  const boost::filesystem::path filename    = unit_test::data_dir / "signed_loki_tx";
  const boost::filesystem::path wallet_file = unit_test::data_dir / "wallet_testnet";
  const string password = "test";
  w.load(wallet_file.string(), password);

  const cryptonote::network_type nettype = cryptonote::TESTNET;
  std::string s;
  bool r = epee::file_io_utils::load_file_to_string(filename.string(), s);
  ASSERT_TRUE(r);
  size_t const 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
  {
    s = w.decrypt_with_view_secret_key(s);
    try
    {
      std::istringstream iss(s);
      boost::archive::portable_binary_iarchive ar(iss);
      ar >> exported_txs;
      r = true;
    }
    catch (...)
    {
    }
  }
  catch (const std::exception &e)
  {
  }

  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 == 67975320);
  ASSERT_FALSE(ptx.dust_added_to_fee);

  // ptx.change.{amount, addr}
  ASSERT_TRUE(ptx.change_dts.amount == 25396028820);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, ptx.change_dts.addr) == "T6UC2BbT5qMV4QgLDd92aoSGTN43yye3eh7JuikVhGWBHSBjsdauotocF5rZK8E8cG5bKU36Mv75r8BwXr8M26ri1bCtF165e");

  // 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 == "<92194cadfbb4f1317d25d39d6216cbf1030a2170a3edb47b5f008345a879150d> ");
  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 == 10000000000);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, ptx.dests[0].addr) == "T6TQ8id855U7YZFtT2wvCkPqCGhFujMfaE5NE15UWNKjMrxCHGsFLQPYbcSLjoF9xwYGFzbC6LdDw8Fhr5DNsjJe2cDkK1fSM");

  // 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() == 10);
  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];
  auto& out5 = tse.outputs[5];
  auto& out6 = tse.outputs[6];
  auto& out7 = tse.outputs[7];
  auto& out8 = tse.outputs[8];
  auto& out9 = tse.outputs[9];

  ASSERT_TRUE(out0.first == 4905);
  ASSERT_TRUE(out1.first == 7366);
  ASSERT_TRUE(out2.first == 14589);
  ASSERT_TRUE(out3.first == 16559);
  ASSERT_TRUE(out4.first == 19748);
  ASSERT_TRUE(out5.first == 21209);
  ASSERT_TRUE(out6.first == 21695);
  ASSERT_TRUE(out7.first == 23200);
  ASSERT_TRUE(out8.first == 23236);
  ASSERT_TRUE(out9.first == 23560);

  ASSERT_TRUE(epee::string_tools::pod_to_hex(out0.second) == "b92dd8689d86f3ddf4a21998f9f206dfa478b2944a5a272be6ac0896a406b0186b94ba5f17c6aa64a4cc1332825e1176952417f671ea04342fe6f156c951417d");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out1.second) == "50cb891b4cda04360647b4e0c764de48c7ec82807f844f2fe5446d2684b8df403cba128103c46f40f1564e78b640d8fa11bb2a9d40579e792de30f4febae5ac0");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out2.second) == "fb046f73105eca35aac2ea9befb1be75649456e8e69b78a7104c925f0546e890ea03efb93dddd97a9527248f423d3c1a7afffdf0efff8c844feecf0fe72449fe");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out3.second) == "49c0d412f994b69d09458a8af7602f2ed2fd41d8e430a694d6c0fa5e17bc507ab096d83facce8e3f6381244fe97070e344d71a9d7380f74b9bef209c20308549");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out4.second) == "f4c96b02d97e480fd20d9ad063f10787114ddda3d7a200b532283c4f25707d7ae49bc555dbd83d17a089c1c3acde66dce6a163f75e19835d58f15c2d2cb90c42");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out5.second) == "0e7ca50fec28b7a6f47ee293b7ef9c9522f85fd5bb60ac3105edb9ef8d1e3c079ded4d5d3a45cf6a67200b0e434e7b057230274fed40305e96cab710319bf5cc");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out6.second) == "806d57c9a2ab3402c171332c3fad13838dd125df846f076ca4545e0304b121525525ce94d662ab1eff88cbce06d1bcec37bf1042c3d9b20d04f743bd7392c05e");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out7.second) == "92306e8714fb9c958e3e1df44e798b8c64bb09264d2c97e994b18af4c2fc89e4eab67da527dd194e087a811ae419e5012e32eea80d0c54ef6e39e389bad14edb");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out8.second) == "e29aeceb86042442cbaf15e3907e8bcd254a8740810a75b5583f853a9fdc2228bc74f6a7198c89f7cf770f6c76755f7285fdb13761abaa72d5c79be33d0bd199");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(out9.second) == "b143a6f53cf20f986cbfe87ace7d33143275457dfaa5ea6f14cb78861302dbffd013ecf4ffecb0bc694eb4e12cf36b55c80b150acae7a3da42a99b9932dcdd22");

  // ptx.construction_data.sources[0].{real_output, real_out_tx_key, real_output_in_tx_index, amount, rct, mask}
  ASSERT_TRUE(tse.real_output == 9);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.real_out_tx_key) == "1e2092d2e8a72eaec814d8e7ecab9276f2779a5c58324a0fb057e24ffa11a14e");
  ASSERT_TRUE(tse.real_output_in_tx_index == 1);
  ASSERT_TRUE(tse.amount == 35464004140);
  ASSERT_TRUE(tse.rct);
  ASSERT_TRUE(epee::string_tools::pod_to_hex(tse.mask) == "fedf66717b339fdcdd70809a20af7b4314645c859f3c71738567c0c0372f3509");

  // ptx.construction_data.change_dts
  ASSERT_TRUE(tcd.change_dts.amount == 25396028820);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, tcd.change_dts.addr) == "T6UC2BbT5qMV4QgLDd92aoSGTN43yye3eh7JuikVhGWBHSBjsdauotocF5rZK8E8cG5bKU36Mv75r8BwXr8M26ri1bCtF165e");

  // 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 == 10000000000);
  ASSERT_TRUE(splitted_dst1.amount == 25396028820);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, splitted_dst0.addr) == "T6TQ8id855U7YZFtT2wvCkPqCGhFujMfaE5NE15UWNKjMrxCHGsFLQPYbcSLjoF9xwYGFzbC6LdDw8Fhr5DNsjJe2cDkK1fSM");
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, splitted_dst1.addr) == "T6UC2BbT5qMV4QgLDd92aoSGTN43yye3eh7JuikVhGWBHSBjsdauotocF5rZK8E8cG5bKU36Mv75r8BwXr8M26ri1bCtF165e");

  // 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);

  // 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 == 10000000000);
  ASSERT_TRUE(cryptonote::get_account_address_as_str(nettype, false, dest.addr) == "T6TQ8id855U7YZFtT2wvCkPqCGhFujMfaE5NE15UWNKjMrxCHGsFLQPYbcSLjoF9xwYGFzbC6LdDw8Fhr5DNsjJe2cDkK1fSM");

  // 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) == "05e1050df8262068682951b459a722495bfd5d070300e96a8d52c6255e300f11");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(ki1) == "21dfe89b3dbde221eccd9b71e7f6383c81f9ada224a670956c895b230749a8d8");
  ASSERT_TRUE(epee::string_tools::pod_to_hex(ki2) == "92194cadfbb4f1317d25d39d6216cbf1030a2170a3edb47b5f008345a879150d");
}
#endif
