text: // Copyright (c) 2014-2019, The KickAssCoin 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 "chaingen.h"
  #include "double_spend.h"
  
  using namespace epee;
  using namespace cryptonote;
  
  
  //======================================================================================================================
  
  gen_double_spend_in_different_chains::gen_double_spend_in_different_chains()
  {
    REGISTER_CALLBACK_METHOD(gen_double_spend_in_different_chains, check_double_spend);
  }
  
  bool gen_double_spend_in_different_chains::generate(std::vector<test_event_entry>& events) const
  {
    INIT_DOUBLE_SPEND_TEST();
  
    SET_EVENT_VISITOR_SETT(events, event_visitor_settings::set_txs_keeped_by_block, true);
    MAKE_TX(events, tx_1, bob_account, alice_account, send_amount / 2 - TESTS_DEFAULT_FEE, blk_1);
    events.pop_back();
    MAKE_TX(events, tx_2, bob_account, alice_account, send_amount - TESTS_DEFAULT_FEE, blk_1);
    events.pop_back();
  
    // Main chain
    events.push_back(tx_1);
    MAKE_NEXT_BLOCK_TX1(events, blk_2, blk_1r, miner_account, tx_1);
  
    // Alternative chain
    events.push_back(tx_2);
    MAKE_NEXT_BLOCK_TX1(events, blk_3, blk_1r, miner_account, tx_2);
    // Switch to alternative chain
    MAKE_NEXT_BLOCK(events, blk_4, blk_3, miner_account);
    //CHECK_AND_NO_ASSERT_MES(expected_blockchain_height == get_block_height(blk_4) + 1, false, "expected_blockchain_height has invalid value");
    if ((expected_blockchain_height != get_block_height(blk_4) + 1)) LOG_ERROR("oops");
  
    DO_CALLBACK(events, "check_double_spend");
  
    return true;
  }
  
  bool gen_double_spend_in_different_chains::check_double_spend(cryptonote::core& c, size_t /*ev_index*/, const std::vector<test_event_entry>& events)
  {
    DEFINE_TESTS_ERROR_CONTEXT("gen_double_spend_in_different_chains::check_double_spend");
  
    std::vector<block> block_list;
    bool r = c.get_blocks(0, 100 + 2 * CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW, block_list);
    CHECK_TEST_CONDITION(r);
  
    std::vector<block> blocks(block_list.begin(), block_list.end());
    //CHECK_EQ(expected_blockchain_height, blocks.size());
    if (expected_blockchain_height != blocks.size()) LOG_ERROR ("oops");
  
    CHECK_EQ(1, c.get_pool_transactions_count());
    CHECK_EQ(1, c.get_alternative_blocks_count());
  
    cryptonote::account_base bob_account = boost::get<cryptonote::account_base>(events[1]);
    cryptonote::account_base alice_account = boost::get<cryptonote::account_base>(events[2]);
  
    std::vector<cryptonote::block> chain;
    map_hash2tx_t mtx;
    r = find_block_chain(events, chain, mtx, get_block_hash(blocks.back()));
    CHECK_TEST_CONDITION(r);
    CHECK_EQ(0, get_balance(bob_account, blocks, mtx));
    CHECK_EQ(send_amount - TESTS_DEFAULT_FEE, get_balance(alice_account, blocks, mtx));
  
    return true;
  }
  