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// Copyright (c) 2014-2019, 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
#pragma once
//======================================================================================================================
template<class concrete_test>
gen_double_spend_base<concrete_test>::gen_double_spend_base()
: m_invalid_tx_index(invalid_index_value)
, m_invalid_block_index(invalid_index_value)
{
REGISTER_CALLBACK_METHOD(gen_double_spend_base<concrete_test>, mark_last_valid_block);
REGISTER_CALLBACK_METHOD(gen_double_spend_base<concrete_test>, mark_invalid_tx);
REGISTER_CALLBACK_METHOD(gen_double_spend_base<concrete_test>, mark_invalid_block);
REGISTER_CALLBACK_METHOD(gen_double_spend_base<concrete_test>, check_double_spend);
}
template<class concrete_test>
bool gen_double_spend_base<concrete_test>::check_tx_verification_context(const cryptonote::tx_verification_context& tvc, bool tx_added, size_t event_idx, const cryptonote::transaction& /*tx*/)
{
if (m_invalid_tx_index == event_idx)
return tvc.m_verifivation_failed;
else
return !tvc.m_verifivation_failed && tx_added;
}
template<class concrete_test>
bool gen_double_spend_base<concrete_test>::check_block_verification_context(const cryptonote::block_verification_context& bvc, size_t event_idx, const cryptonote::block& /*block*/)
{
if (m_invalid_block_index == event_idx)
return bvc.m_verifivation_failed;
else
return !bvc.m_verifivation_failed;
}
template<class concrete_test>
bool gen_double_spend_base<concrete_test>::mark_last_valid_block(cryptonote::core& c, size_t /*ev_index*/, const std::vector<test_event_entry>& /*events*/)
{
std::vector<cryptonote::block> block_list;
bool r = c.get_blocks(c.get_current_blockchain_height() - 1, 1, block_list);
CHECK_AND_ASSERT_MES(r, false, "core::get_blocks failed");
m_last_valid_block = block_list.back();
return true;
}
template<class concrete_test>
bool gen_double_spend_base<concrete_test>::mark_invalid_tx(cryptonote::core& /*c*/, size_t ev_index, const std::vector<test_event_entry>& /*events*/)
{
m_invalid_tx_index = ev_index + 1;
return true;
}
template<class concrete_test>
bool gen_double_spend_base<concrete_test>::mark_invalid_block(cryptonote::core& /*c*/, size_t ev_index, const std::vector<test_event_entry>& /*events*/)
{
m_invalid_block_index = ev_index + 1;
return true;
}
template<class concrete_test>
bool gen_double_spend_base<concrete_test>::check_double_spend(cryptonote::core& c, size_t /*ev_index*/, const std::vector<test_event_entry>& events)
{
DEFINE_TESTS_ERROR_CONTEXT("gen_double_spend_base::check_double_spend");
if (concrete_test::has_invalid_tx)
{
CHECK_NOT_EQ(invalid_index_value, m_invalid_tx_index);
}
CHECK_NOT_EQ(invalid_index_value, m_invalid_block_index);
std::vector<cryptonote::block> block_list;
bool r = c.get_blocks(0, 100 + 2 * CRYPTONOTE_MINED_MONEY_UNLOCK_WINDOW, block_list);
CHECK_TEST_CONDITION(r);
CHECK_TEST_CONDITION(m_last_valid_block == block_list.back());
CHECK_EQ(concrete_test::expected_pool_txs_count, c.get_pool_transactions_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;
std::vector<cryptonote::block> blocks(block_list.begin(), block_list.end());
r = find_block_chain(events, chain, mtx, get_block_hash(blocks.back()));
CHECK_TEST_CONDITION(r);
CHECK_EQ(concrete_test::expected_bob_balance, get_balance(bob_account, blocks, mtx));
CHECK_EQ(concrete_test::expected_alice_balance, get_balance(alice_account, blocks, mtx));
return true;
}
//======================================================================================================================
template<bool txs_keeped_by_block>
bool gen_double_spend_in_tx<txs_keeped_by_block>::generate(std::vector<test_event_entry>& events) const
{
INIT_DOUBLE_SPEND_TEST();
DO_CALLBACK(events, "mark_last_valid_block");
std::vector<cryptonote::tx_source_entry> sources;
cryptonote::tx_source_entry se;
se.amount = tx_0.vout[0].amount;
se.push_output(0, boost::get<cryptonote::txout_to_key>(tx_0.vout[0].target).key, se.amount);
se.real_output = 0;
se.rct = false;
se.real_out_tx_key = get_tx_pub_key_from_extra(tx_0);
se.real_output_in_tx_index = 0;
sources.push_back(se);
// Double spend!
sources.push_back(se);
cryptonote::tx_destination_entry de;
de.addr = alice_account.get_keys().m_account_address;
de.amount = 2 * se.amount - TESTS_DEFAULT_FEE;
std::vector<cryptonote::tx_destination_entry> destinations;
destinations.push_back(de);
cryptonote::transaction tx_1;
if (!construct_tx(bob_account.get_keys(), sources, destinations, boost::none, std::vector<uint8_t>(), tx_1, 0))
return false;
SET_EVENT_VISITOR_SETT(events, event_visitor_settings::set_txs_keeped_by_block, txs_keeped_by_block);
DO_CALLBACK(events, "mark_invalid_tx");
events.push_back(tx_1);
DO_CALLBACK(events, "mark_invalid_block");
MAKE_NEXT_BLOCK_TX1(events, blk_2, blk_1r, miner_account, tx_1);
DO_CALLBACK(events, "check_double_spend");
return true;
}
template<bool txs_keeped_by_block>
bool gen_double_spend_in_the_same_block<txs_keeped_by_block>::generate(std::vector<test_event_entry>& events) const
{
INIT_DOUBLE_SPEND_TEST();
DO_CALLBACK(events, "mark_last_valid_block");
SET_EVENT_VISITOR_SETT(events, event_visitor_settings::set_txs_keeped_by_block, txs_keeped_by_block);
MAKE_TX_LIST_START(events, txs_1, bob_account, alice_account, send_amount - TESTS_DEFAULT_FEE, blk_1);
cryptonote::transaction tx_1 = txs_1.front();
auto tx_1_idx = events.size() - 1;
// Remove tx_1, it is being inserted back a little later
events.pop_back();
if (has_invalid_tx)
{
DO_CALLBACK(events, "mark_invalid_tx");
}
MAKE_TX_LIST(events, txs_1, bob_account, alice_account, send_amount - TESTS_DEFAULT_FEE, blk_1);
events.insert(events.begin() + tx_1_idx, tx_1);
DO_CALLBACK(events, "mark_invalid_block");
MAKE_NEXT_BLOCK_TX_LIST(events, blk_2, blk_1r, miner_account, txs_1);
DO_CALLBACK(events, "check_double_spend");
return true;
}
template<bool txs_keeped_by_block>
bool gen_double_spend_in_different_blocks<txs_keeped_by_block>::generate(std::vector<test_event_entry>& events) const
{
INIT_DOUBLE_SPEND_TEST();
DO_CALLBACK(events, "mark_last_valid_block");
SET_EVENT_VISITOR_SETT(events, event_visitor_settings::set_txs_keeped_by_block, txs_keeped_by_block);
// Create two identical transactions, but don't push it to events list
MAKE_TX(events, tx_blk_2, bob_account, alice_account, send_amount - TESTS_DEFAULT_FEE, blk_1);
events.pop_back();
MAKE_TX(events, tx_blk_3, bob_account, alice_account, send_amount - TESTS_DEFAULT_FEE, blk_1);
events.pop_back();
events.push_back(tx_blk_2);
MAKE_NEXT_BLOCK_TX1(events, blk_2, blk_1r, miner_account, tx_blk_2);
DO_CALLBACK(events, "mark_last_valid_block");
if (has_invalid_tx)
{
DO_CALLBACK(events, "mark_invalid_tx");
}
events.push_back(tx_blk_3);
DO_CALLBACK(events, "mark_invalid_block");
MAKE_NEXT_BLOCK_TX1(events, blk_3, blk_2, miner_account, tx_blk_3);
DO_CALLBACK(events, "check_double_spend");
return true;
}
template<bool txs_keeped_by_block>
bool gen_double_spend_in_alt_chain_in_the_same_block<txs_keeped_by_block>::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, txs_keeped_by_block);
// Main chain
MAKE_NEXT_BLOCK(events, blk_2, blk_1r, miner_account);
DO_CALLBACK(events, "mark_last_valid_block");
// Alt chain
MAKE_TX_LIST_START(events, txs_1, bob_account, alice_account, send_amount - TESTS_DEFAULT_FEE, blk_1);
cryptonote::transaction tx_1 = txs_1.front();
auto tx_1_idx = events.size() - 1;
// Remove tx_1, it is being inserted back a little later
events.pop_back();
if (has_invalid_tx)
{
DO_CALLBACK(events, "mark_invalid_tx");
}
MAKE_TX_LIST(events, txs_1, bob_account, alice_account, send_amount - TESTS_DEFAULT_FEE, blk_1);
events.insert(events.begin() + tx_1_idx, tx_1);
MAKE_NEXT_BLOCK_TX_LIST(events, blk_3, blk_1r, miner_account, txs_1);
// Try to switch to alternative chain
DO_CALLBACK(events, "mark_invalid_block");
MAKE_NEXT_BLOCK(events, blk_4, blk_3, miner_account);
DO_CALLBACK(events, "check_double_spend");
return true;
}
template<bool txs_keeped_by_block>
bool gen_double_spend_in_alt_chain_in_different_blocks<txs_keeped_by_block>::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, txs_keeped_by_block);
// Main chain
MAKE_NEXT_BLOCK(events, blk_2, blk_1r, miner_account);
DO_CALLBACK(events, "mark_last_valid_block");
// Alternative chain
MAKE_TX(events, tx_1, bob_account, alice_account, send_amount - 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();
events.push_back(tx_1);
MAKE_NEXT_BLOCK_TX1(events, blk_3, blk_1r, miner_account, tx_1);
// Try to switch to alternative chain
if (has_invalid_tx)
{
DO_CALLBACK(events, "mark_invalid_tx");
}
events.push_back(tx_2);
DO_CALLBACK(events, "mark_invalid_block");
MAKE_NEXT_BLOCK_TX1(events, blk_4, blk_3, miner_account, tx_2);
DO_CALLBACK(events, "check_double_spend");
return true;
}
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