danicoin/tests/CoreTests/double_spend.inl
2015-07-30 16:22:07 +01:00

271 lines
10 KiB
C++

// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
#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::list<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::list<CryptoNote::Block> block_list;
bool r = c.get_blocks(0, 100 + 2 * static_cast<uint32_t>(this->m_currency.minedMoneyUnlockWindow()), 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::AccountBase bob_account = boost::get<CryptoNote::AccountBase>(events[1]);
CryptoNote::AccountBase alice_account = boost::get<CryptoNote::AccountBase>(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::TransactionSourceEntry> sources;
CryptoNote::TransactionSourceEntry se;
se.amount = tx_0.outputs[0].amount;
se.outputs.push_back(std::make_pair(0, boost::get<CryptoNote::KeyOutput>(tx_0.outputs[0].target).key));
se.realOutput = 0;
se.realTransactionPublicKey = CryptoNote::getTransactionPublicKeyFromExtra(tx_0.extra);
se.realOutputIndexInTransaction = 0;
sources.push_back(se);
// Double spend!
sources.push_back(se);
CryptoNote::TransactionDestinationEntry de;
de.addr = alice_account.getAccountKeys().address;
de.amount = 2 * se.amount - this->m_currency.minimumFee();
std::vector<CryptoNote::TransactionDestinationEntry> destinations;
destinations.push_back(de);
CryptoNote::Transaction tx_1;
if (!constructTransaction(bob_account.getAccountKeys(), sources, destinations, std::vector<uint8_t>(), tx_1, 0, this->m_logger))
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 - this->m_currency.minimumFee(), 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 - this->m_currency.minimumFee(), 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 - this->m_currency.minimumFee(), blk_1);
events.pop_back();
MAKE_TX(events, tx_blk_3, bob_account, alice_account, send_amount - this->m_currency.minimumFee(), 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 - this->m_currency.minimumFee(), 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 - this->m_currency.minimumFee(), 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 - this->m_currency.minimumFee(), blk_1);
events.pop_back();
MAKE_TX(events, tx_2, bob_account, alice_account, send_amount - this->m_currency.minimumFee(), 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;
}