// Copyright (c) 2014-2020, 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 "include_base_utils.h"
#include "cryptonote_basic/cryptonote_basic_impl.h"
#include "cryptonote_basic/account.h"
#include "cryptonote_core/cryptonote_tx_utils.h"
#include "misc_language.h"

using namespace cryptonote;



bool test_transaction_generation_and_ring_signature()
{

  account_base miner_acc1;
  miner_acc1.generate();
  account_base miner_acc2;
  miner_acc2.generate();
  account_base miner_acc3;
  miner_acc3.generate();
  account_base miner_acc4;
  miner_acc4.generate();
  account_base miner_acc5;
  miner_acc5.generate();
  account_base miner_acc6;
  miner_acc6.generate();

  account_base rv_acc;
  rv_acc.generate();
  account_base rv_acc2;
  rv_acc2.generate();
  transaction tx_mine_1;
  construct_miner_tx(0, 0, 0, 10, 0, miner_acc1.get_keys().m_account_address, tx_mine_1);
  transaction tx_mine_2;
  construct_miner_tx(0, 0, 0, 0, 0, miner_acc2.get_keys().m_account_address, tx_mine_2);
  transaction tx_mine_3;
  construct_miner_tx(0, 0, 0, 0, 0, miner_acc3.get_keys().m_account_address, tx_mine_3);
  transaction tx_mine_4;
  construct_miner_tx(0, 0, 0, 0, 0, miner_acc4.get_keys().m_account_address, tx_mine_4);
  transaction tx_mine_5;
  construct_miner_tx(0, 0, 0, 0, 0, miner_acc5.get_keys().m_account_address, tx_mine_5);
  transaction tx_mine_6;
  construct_miner_tx(0, 0, 0, 0, 0, miner_acc6.get_keys().m_account_address, tx_mine_6);

  //fill inputs entry
  typedef tx_source_entry::output_entry tx_output_entry;
  std::vector<tx_source_entry> sources;
  sources.resize(sources.size()+1);
  tx_source_entry& src = sources.back();
  src.amount = 70368744177663;
  {
    tx_output_entry oe;

    src.push_output(0, boost::get<txout_to_key>(tx_mine_1.vout[0].target).key, src.amount);

    src.push_output(1, boost::get<txout_to_key>(tx_mine_2.vout[0].target).key, src.amount);

    src.push_output(2, boost::get<txout_to_key>(tx_mine_3.vout[0].target).key, src.amount);

    src.push_output(3, boost::get<txout_to_key>(tx_mine_4.vout[0].target).key, src.amount);

    src.push_output(4, boost::get<txout_to_key>(tx_mine_5.vout[0].target).key, src.amount);

    src.push_output(5, boost::get<txout_to_key>(tx_mine_6.vout[0].target).key, src.amount);

    src.real_out_tx_key = cryptonote::get_tx_pub_key_from_extra(tx_mine_2);
    src.real_output = 1;
    src.rct = false;
    src.real_output_in_tx_index = 0;
  }
  //fill outputs entry
  tx_destination_entry td;
  td.addr = rv_acc.get_keys().m_account_address;
  td.amount = 69368744177663;
  std::vector<tx_destination_entry> destinations;
  destinations.push_back(td);

  transaction tx_rc1;
  bool r = construct_tx(miner_acc2.get_keys(), sources, destinations, boost::none, std::vector<uint8_t>(), tx_rc1, 0);
  CHECK_AND_ASSERT_MES(r, false, "failed to construct transaction");

  crypto::hash pref_hash = get_transaction_prefix_hash(tx_rc1);
  std::vector<const crypto::public_key *> output_keys;
  output_keys.push_back(&boost::get<txout_to_key>(tx_mine_1.vout[0].target).key);
  output_keys.push_back(&boost::get<txout_to_key>(tx_mine_2.vout[0].target).key);
  output_keys.push_back(&boost::get<txout_to_key>(tx_mine_3.vout[0].target).key);
  output_keys.push_back(&boost::get<txout_to_key>(tx_mine_4.vout[0].target).key);
  output_keys.push_back(&boost::get<txout_to_key>(tx_mine_5.vout[0].target).key);
  output_keys.push_back(&boost::get<txout_to_key>(tx_mine_6.vout[0].target).key);
  r = crypto::check_ring_signature(pref_hash, boost::get<txin_to_key>(tx_rc1.vin[0]).k_image, output_keys, &tx_rc1.signatures[0][0]);
  CHECK_AND_ASSERT_MES(r, false, "failed to check ring signature");

  std::vector<size_t> outs;
  uint64_t money = 0;

  r = lookup_acc_outs(rv_acc.get_keys(), tx_rc1, get_tx_pub_key_from_extra(tx_rc1), get_additional_tx_pub_keys_from_extra(tx_rc1), outs,  money);
  CHECK_AND_ASSERT_MES(r, false, "failed to lookup_acc_outs");
  CHECK_AND_ASSERT_MES(td.amount == money, false, "wrong money amount in new transaction");
  money = 0;
  r = lookup_acc_outs(rv_acc2.get_keys(), tx_rc1, get_tx_pub_key_from_extra(tx_rc1), get_additional_tx_pub_keys_from_extra(tx_rc1), outs,  money);
  CHECK_AND_ASSERT_MES(r, false, "failed to lookup_acc_outs");
  CHECK_AND_ASSERT_MES(0 == money, false, "wrong money amount in new transaction");
  return true;
}

bool test_block_creation()
{
  uint64_t vszs[] = {80,476,476,475,475,474,475,474,474,475,472,476,476,475,475,474,475,474,474,475,472,476,476,475,475,474,475,474,474,475,9391,476,476,475,475,474,475,8819,8301,475,472,4302,5316,14347,16620,19583,19403,19728,19442,19852,19015,19000,19016,19795,19749,18087,19787,19704,19750,19267,19006,19050,19445,19407,19522,19546,19788,19369,19486,19329,19370,18853,19600,19110,19320,19746,19474,19474,19743,19494,19755,19715,19769,19620,19368,19839,19532,23424,28287,30707};
  std::vector<uint64_t> szs(&vszs[0], &vszs[90]);
  address_parse_info info;
  bool r = get_account_address_from_str(info, MAINNET, "0099be99c70ef10fd534c43c88e9d13d1c8853213df7e362afbec0e4ee6fec4948d0c190b58f4b356cd7feaf8d9d0a76e7c7e5a9a0a497a6b1faf7a765882dd08ac2");
  CHECK_AND_ASSERT_MES(r, false, "failed to import");
  block b;
  r = construct_miner_tx(90, epee::misc_utils::median(szs), 3553616528562147, 33094, 10000000, info.address, b.miner_tx, blobdata(), 11);
  return r;
}

bool test_transactions()
{
  if(!test_transaction_generation_and_ring_signature())
    return false;
  if(!test_block_creation())
    return false;


  return true;
}
