diff options
Diffstat (limited to 'src/cryptonote_core')
| -rw-r--r-- | src/cryptonote_core/blockchain.cpp | 52 |
1 files changed, 23 insertions, 29 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 7ef8f8c45..670f77d9d 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -428,6 +428,7 @@ bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline block bl; block_verification_context bvc = boost::value_initialized<block_verification_context>(); generate_genesis_block(bl, get_config(m_nettype).GENESIS_TX, get_config(m_nettype).GENESIS_NONCE); + db_wtxn_guard wtxn_guard(m_db); add_new_block(bl, bvc); CHECK_AND_ASSERT_MES(!bvc.m_verifivation_failed, false, "Failed to add genesis block to blockchain"); } @@ -443,7 +444,8 @@ bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline m_db->fixup(); } - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard(m_db); + // check how far behind we are uint64_t top_block_timestamp = m_db->get_top_block_timestamp(); uint64_t timestamp_diff = time(NULL) - top_block_timestamp; @@ -464,7 +466,8 @@ bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline #endif MINFO("Blockchain initialized. last block: " << m_db->height() - 1 << ", " << epee::misc_utils::get_time_interval_string(timestamp_diff) << " time ago, current difficulty: " << get_difficulty_for_next_block()); - m_db->block_txn_stop(); + + rtxn_guard.stop(); uint64_t num_popped_blocks = 0; while (!m_db->is_read_only()) @@ -518,8 +521,11 @@ bool Blockchain::init(BlockchainDB* db, const network_type nettype, bool offline if (test_options && test_options->long_term_block_weight_window) m_long_term_block_weights_window = test_options->long_term_block_weight_window; - if (!update_next_cumulative_weight_limit()) - return false; + { + db_txn_guard txn_guard(m_db, m_db->is_read_only()); + if (!update_next_cumulative_weight_limit()) + return false; + } return true; } //------------------------------------------------------------------ @@ -725,6 +731,7 @@ bool Blockchain::reset_and_set_genesis_block(const block& b) m_db->reset(); m_hardfork->init(); + db_wtxn_guard wtxn_guard(m_db); block_verification_context bvc = boost::value_initialized<block_verification_context>(); add_new_block(b, bvc); if (!update_next_cumulative_weight_limit()) @@ -772,7 +779,7 @@ bool Blockchain::get_short_chain_history(std::list<crypto::hash>& ids) const if(!sz) return true; - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard(m_db); bool genesis_included = false; uint64_t current_back_offset = 1; while(current_back_offset < sz) @@ -799,7 +806,6 @@ bool Blockchain::get_short_chain_history(std::list<crypto::hash>& ids) const { ids.push_back(m_db->get_block_hash_from_height(0)); } - m_db->block_txn_stop(); return true; } @@ -1866,7 +1872,7 @@ bool Blockchain::handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NO { LOG_PRINT_L3("Blockchain::" << __func__); CRITICAL_REGION_LOCAL(m_blockchain_lock); - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard (m_db); rsp.current_blockchain_height = get_current_blockchain_height(); std::vector<std::pair<cryptonote::blobdata,block>> blocks; get_blocks(arg.blocks, blocks, rsp.missed_ids); @@ -1893,7 +1899,6 @@ bool Blockchain::handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NO // as done below if any standalone transactions were requested // and missed. rsp.missed_ids.insert(rsp.missed_ids.end(), missed_tx_ids.begin(), missed_tx_ids.end()); - m_db->block_txn_stop(); return false; } @@ -1903,7 +1908,6 @@ bool Blockchain::handle_get_objects(NOTIFY_REQUEST_GET_OBJECTS::request& arg, NO //get and pack other transactions, if needed get_transactions_blobs(arg.txs, rsp.txs, rsp.missed_ids); - m_db->block_txn_stop(); return true; } //------------------------------------------------------------------ @@ -2075,14 +2079,13 @@ bool Blockchain::find_blockchain_supplement(const std::list<crypto::hash>& qbloc return false; } - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard(m_db); // make sure that the last block in the request's block list matches // the genesis block auto gen_hash = m_db->get_block_hash_from_height(0); if(qblock_ids.back() != gen_hash) { MCERROR("net.p2p", "Client sent wrong NOTIFY_REQUEST_CHAIN: genesis block mismatch: " << std::endl << "id: " << qblock_ids.back() << ", " << std::endl << "expected: " << gen_hash << "," << std::endl << " dropping connection"); - m_db->block_txn_abort(); return false; } @@ -2100,11 +2103,9 @@ bool Blockchain::find_blockchain_supplement(const std::list<crypto::hash>& qbloc catch (const std::exception& e) { MWARNING("Non-critical error trying to find block by hash in BlockchainDB, hash: " << *bl_it); - m_db->block_txn_abort(); return false; } } - m_db->block_txn_stop(); // this should be impossible, as we checked that we share the genesis block, // but just in case... @@ -2295,7 +2296,7 @@ bool Blockchain::find_blockchain_supplement(const std::list<crypto::hash>& qbloc return false; } - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard(m_db); current_height = get_current_blockchain_height(); const uint32_t pruning_seed = get_blockchain_pruning_seed(); start_height = tools::get_next_unpruned_block_height(start_height, current_height, pruning_seed); @@ -2307,7 +2308,6 @@ bool Blockchain::find_blockchain_supplement(const std::list<crypto::hash>& qbloc hashes.push_back(m_db->get_block_hash_from_height(i)); } - m_db->block_txn_stop(); return true; } @@ -2354,7 +2354,7 @@ bool Blockchain::find_blockchain_supplement(const uint64_t req_start_block, cons } } - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard(m_db); total_height = get_current_blockchain_height(); size_t count = 0, size = 0; blocks.reserve(std::min(std::min(max_count, (size_t)10000), (size_t)(total_height - start_height))); @@ -2380,7 +2380,6 @@ bool Blockchain::find_blockchain_supplement(const uint64_t req_start_block, cons blocks.back().second.push_back(std::make_pair(b.tx_hashes[i], std::move(txs[i]))); } } - m_db->block_txn_stop(); return true; } //------------------------------------------------------------------ @@ -3535,7 +3534,7 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash& static bool seen_future_version = false; - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard(m_db); uint64_t blockchain_height; const crypto::hash top_hash = get_tail_id(blockchain_height); ++blockchain_height; // block height to chain height @@ -3544,7 +3543,6 @@ bool Blockchain::handle_block_to_main_chain(const block& bl, const crypto::hash& MERROR_VER("Block with id: " << id << std::endl << "has wrong prev_id: " << bl.prev_id << std::endl << "expected: " << top_hash); bvc.m_verifivation_failed = true; leave: - m_db->block_txn_stop(); return false; } @@ -3827,7 +3825,7 @@ leave: if(precomputed) block_processing_time += m_fake_pow_calc_time; - m_db->block_txn_stop(); + rtxn_guard.stop(); TIME_MEASURE_START(addblock); uint64_t new_height = 0; if (!bvc.m_verifivation_failed) @@ -3945,8 +3943,6 @@ bool Blockchain::update_next_cumulative_weight_limit(uint64_t *long_term_effecti LOG_PRINT_L3("Blockchain::" << __func__); - m_db->block_txn_start(false); - // when we reach this, the last hf version is not yet written to the db const uint64_t db_height = m_db->height(); const uint8_t hf_version = get_current_hard_fork_version(); @@ -4009,9 +4005,8 @@ bool Blockchain::update_next_cumulative_weight_limit(uint64_t *long_term_effecti if (long_term_effective_median_block_weight) *long_term_effective_median_block_weight = m_long_term_effective_median_block_weight; - m_db->add_max_block_size(m_current_block_cumul_weight_limit); - - m_db->block_txn_stop(); + if (!m_db->is_read_only()) + m_db->add_max_block_size(m_current_block_cumul_weight_limit); return true; } @@ -4022,12 +4017,11 @@ bool Blockchain::add_new_block(const block& bl, block_verification_context& bvc) crypto::hash id = get_block_hash(bl); CRITICAL_REGION_LOCAL(m_tx_pool);//to avoid deadlock lets lock tx_pool for whole add/reorganize process CRITICAL_REGION_LOCAL1(m_blockchain_lock); - m_db->block_txn_start(true); + db_rtxn_guard rtxn_guard(m_db); if(have_block(id)) { LOG_PRINT_L3("block with id = " << id << " already exists"); bvc.m_already_exists = true; - m_db->block_txn_stop(); m_blocks_txs_check.clear(); return false; } @@ -4037,14 +4031,14 @@ bool Blockchain::add_new_block(const block& bl, block_verification_context& bvc) { //chain switching or wrong block bvc.m_added_to_main_chain = false; - m_db->block_txn_stop(); + rtxn_guard.stop(); bool r = handle_alternative_block(bl, id, bvc); m_blocks_txs_check.clear(); return r; //never relay alternative blocks } - m_db->block_txn_stop(); + rtxn_guard.stop(); return handle_block_to_main_chain(bl, id, bvc); } //------------------------------------------------------------------ |