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// Copyright (c) 2014-2015, 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 "chaingen.h"
#include "chaingen_tests_list.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");
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::list<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());
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;
}
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