diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp index cd15077f1..b0723c283 100644 --- a/src/cryptonote_core/cryptonote_core.cpp +++ b/src/cryptonote_core/cryptonote_core.cpp @@ -477,7 +477,8 @@ namespace cryptonote //----------------------------------------------------------------------------------------------- bool core::get_pool_transactions(std::list& txs) { - return m_mempool.get_transactions(txs); + m_mempool.get_transactions(txs); + return true; } //----------------------------------------------------------------------------------------------- bool core::get_short_chain_history(std::list& ids) diff --git a/src/cryptonote_core/tx_pool.cpp b/src/cryptonote_core/tx_pool.cpp index 5f3f172c9..8b61278fa 100644 --- a/src/cryptonote_core/tx_pool.cpp +++ b/src/cryptonote_core/tx_pool.cpp @@ -48,6 +48,11 @@ DISABLE_VS_WARNINGS(4244 4345 4503) //'boost::foreach_detail_::or_' : decorated namespace cryptonote { + namespace + { + size_t const TRANSACTION_SIZE_LIMIT = (((CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE * 125) / 100) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE); + } + //--------------------------------------------------------------------------------- tx_memory_pool::tx_memory_pool(blockchain_storage& bchs): m_blockchain(bchs) { @@ -75,7 +80,22 @@ namespace cryptonote if(outputs_amount >= inputs_amount) { - LOG_PRINT_L0("transaction use more money then it has: use " << outputs_amount << ", have " << inputs_amount); + LOG_PRINT_L0("transaction use more money then it has: use " << print_money(outputs_amount) << ", have " << print_money(inputs_amount)); + tvc.m_verifivation_failed = true; + return false; + } + + uint64_t fee = inputs_amount - outputs_amount; + if (!kept_by_block && fee < DEFAULT_FEE) + { + LOG_ERROR("transaction fee is not enough: " << print_money(fee) << ", minumim fee: " << print_money(DEFAULT_FEE)); + tvc.m_verifivation_failed = true; + return false; + } + + if (!kept_by_block && blob_size >= TRANSACTION_SIZE_LIMIT) + { + LOG_ERROR("transaction is too big: " << blob_size << " bytes, maximum size: " << TRANSACTION_SIZE_LIMIT); tvc.m_verifivation_failed = true; return false; } @@ -230,22 +250,20 @@ namespace cryptonote return true; } //--------------------------------------------------------------------------------- - size_t tx_memory_pool::get_transactions_count() + size_t tx_memory_pool::get_transactions_count() const { CRITICAL_REGION_LOCAL(m_transactions_lock); return m_transactions.size(); } //--------------------------------------------------------------------------------- - bool tx_memory_pool::get_transactions(std::list& txs) + void tx_memory_pool::get_transactions(std::list& txs) const { CRITICAL_REGION_LOCAL(m_transactions_lock); BOOST_FOREACH(const auto& tx_vt, m_transactions) txs.push_back(tx_vt.second.tx); - - return true; } //--------------------------------------------------------------------------------- - bool tx_memory_pool::get_transaction(const crypto::hash& id, transaction& tx) + bool tx_memory_pool::get_transaction(const crypto::hash& id, transaction& tx) const { CRITICAL_REGION_LOCAL(m_transactions_lock); auto it = m_transactions.find(id); @@ -265,7 +283,7 @@ namespace cryptonote return true; } //--------------------------------------------------------------------------------- - bool tx_memory_pool::have_tx(const crypto::hash &id) + bool tx_memory_pool::have_tx(const crypto::hash &id) const { CRITICAL_REGION_LOCAL(m_transactions_lock); if(m_transactions.count(id)) @@ -273,7 +291,7 @@ namespace cryptonote return false; } //--------------------------------------------------------------------------------- - bool tx_memory_pool::have_tx_keyimges_as_spent(const transaction& tx) + bool tx_memory_pool::have_tx_keyimges_as_spent(const transaction& tx) const { CRITICAL_REGION_LOCAL(m_transactions_lock); BOOST_FOREACH(const auto& in, tx.vin) @@ -285,23 +303,23 @@ namespace cryptonote return false; } //--------------------------------------------------------------------------------- - bool tx_memory_pool::have_tx_keyimg_as_spent(const crypto::key_image& key_im) + bool tx_memory_pool::have_tx_keyimg_as_spent(const crypto::key_image& key_im) const { CRITICAL_REGION_LOCAL(m_transactions_lock); return m_spent_key_images.end() != m_spent_key_images.find(key_im); } //--------------------------------------------------------------------------------- - void tx_memory_pool::lock() + void tx_memory_pool::lock() const { m_transactions_lock.lock(); } //--------------------------------------------------------------------------------- - void tx_memory_pool::unlock() + void tx_memory_pool::unlock() const { m_transactions_lock.unlock(); } //--------------------------------------------------------------------------------- - bool tx_memory_pool::is_transaction_ready_to_go(tx_details& txd) + bool tx_memory_pool::is_transaction_ready_to_go(tx_details& txd) const { //not the best implementation at this time, sorry :( //check is ring_signature already checked ? @@ -365,38 +383,25 @@ namespace cryptonote return true; } //--------------------------------------------------------------------------------- - std::string tx_memory_pool::print_pool(bool short_format) + std::string tx_memory_pool::print_pool(bool short_format) const { std::stringstream ss; CRITICAL_REGION_LOCAL(m_transactions_lock); - BOOST_FOREACH(transactions_container::value_type& txe, m_transactions) - { - if(short_format) - { - tx_details& txd = txe.second; - ss << "id: " << txe.first << ENDL - << "blob_size: " << txd.blob_size << ENDL - << "fee: " << txd.fee << ENDL - << "kept_by_block: " << (txd.kept_by_block ? "true":"false") << ENDL - << "max_used_block_height: " << txd.max_used_block_height << ENDL - << "max_used_block_id: " << txd.max_used_block_id << ENDL - << "last_failed_height: " << txd.last_failed_height << ENDL - << "last_failed_id: " << txd.last_failed_id << ENDL; - }else - { - tx_details& txd = txe.second; - ss << "id: " << txe.first << ENDL - << obj_to_json_str(txd.tx) << ENDL - << "blob_size: " << txd.blob_size << ENDL - << "fee: " << txd.fee << ENDL - << "kept_by_block: " << (txd.kept_by_block ? "true":"false") << ENDL - << "max_used_block_height: " << txd.max_used_block_height << ENDL - << "max_used_block_id: " << txd.max_used_block_id << ENDL - << "last_failed_height: " << txd.last_failed_height << ENDL - << "last_failed_id: " << txd.last_failed_id << ENDL; + for (const transactions_container::value_type& txe : m_transactions) { + const tx_details& txd = txe.second; + ss << "id: " << txe.first << std::endl; + if (!short_format) { + ss << obj_to_json_str(*const_cast(&txd.tx)) << std::endl; } - + ss << "blob_size: " << txd.blob_size << std::endl + << "fee: " << print_money(txd.fee) << std::endl + << "kept_by_block: " << (txd.kept_by_block ? 'T' : 'F') << std::endl + << "max_used_block_height: " << txd.max_used_block_height << std::endl + << "max_used_block_id: " << txd.max_used_block_id << std::endl + << "last_failed_height: " << txd.last_failed_height << std::endl + << "last_failed_id: " << txd.last_failed_id << std::endl; } + return ss.str(); } //--------------------------------------------------------------------------------- @@ -411,45 +416,17 @@ namespace cryptonote total_size = 0; fee = 0; - size_t max_total_size = 2 * median_size - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE; // Max block size + // Maximum block size is 130% of the median block size. This gives a + // little extra headroom for the max size transaction. + size_t max_total_size = (130 * median_size) / 100 - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE; std::unordered_set k_images; - // Tx size limit as in wallet2.h - // tx_pool.cpp uses size_t for tx sizes, whereas - // wallet2.h uses uint64_t; just use size_t here - // for now - size_t upper_transaction_size_limit = ((CRYPTONOTE_BLOCK_GRANTED_FULL_REWARD_ZONE * 125) / 100) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE; - - // Calculate size limit based on median too; useful - // for when we actually fix wallet2.h's maximum - // allowable tx size - // - // Can be removed when wallet2.h calculates max - // tx size based on the median too; just use - // upper_transaction_size_limit_median in all cases - size_t upper_transaction_size_limit_median = ((median_size * 125) / 100) - CRYPTONOTE_COINBASE_BLOB_RESERVED_SIZE; - if (upper_transaction_size_limit_median > upper_transaction_size_limit) - upper_transaction_size_limit = upper_transaction_size_limit_median; - BOOST_FOREACH(transactions_container::value_type& tx, m_transactions) { // Can not exceed maximum block size if (max_total_size < total_size + tx.second.blob_size) continue; - // Check to see if the minimum fee is included; - // exclude tx missing minimum fee - if (tx.second.fee < DEFAULT_FEE) - continue; - - // Skip transactions that are too large - // TODO: Correct upper_transactions_size_limit - // such that it is based on median block size; - // We need to make a similar patch for - // wallet2.h - if (tx.second.blob_size > upper_transaction_size_limit) - continue; - // If adding this tx will make the block size // greater than CRYPTONOTE_GETBLOCKTEMPLATE_MAX // _BLOCK_SIZE bytes, reject the tx; this will @@ -458,13 +435,6 @@ namespace cryptonote if ( (total_size + tx.second.blob_size) > CRYPTONOTE_GETBLOCKTEMPLATE_MAX_BLOCK_SIZE ) continue; - // If adding this tx will make the block size - // greater than 130% of the median, reject the - // tx; this will keep down largely punitive tx - // from being included - if ( (total_size + tx.second.blob_size) > ((130 * median_size) / 100) ) - continue; - // If we've exceeded the penalty free size, // stop including more tx if (total_size > median_size) @@ -487,6 +457,8 @@ namespace cryptonote //--------------------------------------------------------------------------------- bool tx_memory_pool::init(const std::string& config_folder) { + CRITICAL_REGION_LOCAL(m_transactions_lock); + m_config_folder = config_folder; std::string state_file_path = config_folder + "/" + CRYPTONOTE_POOLDATA_FILENAME; boost::system::error_code ec; @@ -495,9 +467,23 @@ namespace cryptonote bool res = tools::unserialize_obj_from_file(*this, state_file_path); if(!res) { - LOG_PRINT_L0("Failed to load memory pool from file " << state_file_path); + LOG_ERROR("Failed to load memory pool from file " << state_file_path); + + m_transactions.clear(); + m_spent_key_images.clear(); } - return res; + + for (auto it = m_transactions.begin(); it != m_transactions.end(); ) { + auto it2 = it++; + if (it2->second.blob_size >= TRANSACTION_SIZE_LIMIT) { + LOG_PRINT_L0("Transaction " << get_transaction_hash(it2->second.tx) << " is too big (" << it2->second.blob_size << " bytes), removing it from pool"); + remove_transaction_keyimages(it2->second.tx); + m_transactions.erase(it2); + } + } + + // Ignore deserialization error + return true; } //--------------------------------------------------------------------------------- diff --git a/src/cryptonote_core/tx_pool.h b/src/cryptonote_core/tx_pool.h index 0abb15fa9..7617765cc 100644 --- a/src/cryptonote_core/tx_pool.h +++ b/src/cryptonote_core/tx_pool.h @@ -61,28 +61,22 @@ namespace cryptonote //gets tx and remove it from pool bool take_tx(const crypto::hash &id, transaction &tx, size_t& blob_size, uint64_t& fee); - bool have_tx(const crypto::hash &id); - bool have_tx_keyimg_as_spent(const crypto::key_image& key_im); - bool have_tx_keyimges_as_spent(const transaction& tx); - + bool have_tx(const crypto::hash &id) const; bool on_blockchain_inc(uint64_t new_block_height, const crypto::hash& top_block_id); bool on_blockchain_dec(uint64_t new_block_height, const crypto::hash& top_block_id); void on_idle(); - void lock(); - void unlock(); + void lock() const; + void unlock() const; // load/store operations bool init(const std::string& config_folder); bool deinit(); bool fill_block_template(block &bl, size_t median_size, uint64_t already_generated_coins, size_t &total_size, uint64_t &fee); - bool get_transactions(std::list& txs); - bool get_transaction(const crypto::hash& h, transaction& tx); - size_t get_transactions_count(); - bool remove_transaction_keyimages(const transaction& tx); - bool have_key_images(const std::unordered_set& kic, const transaction& tx); - bool append_key_images(std::unordered_set& kic, const transaction& tx); - std::string print_pool(bool short_format); + void get_transactions(std::list& txs) const; + bool get_transaction(const crypto::hash& h, transaction& tx) const; + size_t get_transactions_count() const; + std::string print_pool(bool short_format) const; /*bool flush_pool(const std::strig& folder); bool inflate_pool(const std::strig& folder);*/ @@ -115,11 +109,17 @@ namespace cryptonote private: bool remove_stuck_transactions(); - bool is_transaction_ready_to_go(tx_details& txd); + bool have_tx_keyimg_as_spent(const crypto::key_image& key_im) const; + bool have_tx_keyimges_as_spent(const transaction& tx) const; + bool remove_transaction_keyimages(const transaction& tx); + static bool have_key_images(const std::unordered_set& kic, const transaction& tx); + static bool append_key_images(std::unordered_set& kic, const transaction& tx); + + bool is_transaction_ready_to_go(tx_details& txd) const; typedef std::unordered_map transactions_container; typedef std::unordered_map > key_images_container; - epee::critical_section m_transactions_lock; + mutable epee::critical_section m_transactions_lock; transactions_container m_transactions; key_images_container m_spent_key_images; epee::math_helper::once_a_time_seconds<30> m_remove_stuck_tx_interval;