diff options
| -rw-r--r-- | src/blockchain_converter/CMakeLists.txt | 29 | ||||
| -rw-r--r-- | src/blockchain_converter/blockchain_export.cpp | 367 | ||||
| -rw-r--r-- | src/blockchain_converter/blockchain_export.h | 74 |
3 files changed, 470 insertions, 0 deletions
diff --git a/src/blockchain_converter/CMakeLists.txt b/src/blockchain_converter/CMakeLists.txt index cc400d927..e0f3be901 100644 --- a/src/blockchain_converter/CMakeLists.txt +++ b/src/blockchain_converter/CMakeLists.txt @@ -47,6 +47,20 @@ set(blockchain_import_private_headers bitmonero_private_headers(blockchain_import ${blockchain_import_private_headers}) +set(blockchain_export_sources + blockchain_export.cpp + ) + +set(blockchain_export_private_headers + import.h + blockchain_export.h + ) + +bitmonero_private_headers(blockchain_export + ${blockchain_export_private_headers}) + + + if (BLOCKCHAIN_DB STREQUAL DB_LMDB) bitmonero_add_executable(blockchain_converter ${blockchain_converter_sources} @@ -79,3 +93,18 @@ add_dependencies(blockchain_import set_property(TARGET blockchain_import PROPERTY OUTPUT_NAME "blockchain_import") + +bitmonero_add_executable(blockchain_export + ${blockchain_export_sources} + ${blockchain_export_private_headers}) + +target_link_libraries(blockchain_export + LINK_PRIVATE + cryptonote_core + ${CMAKE_THREAD_LIBS_INIT}) + +add_dependencies(blockchain_export + version) +set_property(TARGET blockchain_export + PROPERTY + OUTPUT_NAME "blockchain_export") diff --git a/src/blockchain_converter/blockchain_export.cpp b/src/blockchain_converter/blockchain_export.cpp new file mode 100644 index 000000000..33944dba6 --- /dev/null +++ b/src/blockchain_converter/blockchain_export.cpp @@ -0,0 +1,367 @@ +// 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. + +#include <algorithm> +#include <cstdio> +#include <fstream> +#include <boost/iostreams/copy.hpp> +#include <atomic> + +#include <boost/archive/binary_oarchive.hpp> +#include <boost/archive/binary_iarchive.hpp> +#include <boost/iostreams/stream_buffer.hpp> +#include <boost/iostreams/stream.hpp> +#include <boost/iostreams/device/back_inserter.hpp> +#include <boost/iostreams/filtering_streambuf.hpp> +#include <boost/iostreams/filter/bzip2.hpp> +#include "common/command_line.h" +#include "version.h" +#include "blockchain_export.h" +#include "cryptonote_core/cryptonote_boost_serialization.h" + +#include "import.h" +// #include "fake_core.h" + +#define SOURCE_DB DB_MEMORY +// currently not supported: +// to use what was set at compile time (DB_MEMORY or DB_LMDB) +// #define SOURCE_DB BLOCKCHAIN_DB + +static int max_chunk = 0; +static size_t height; + +namespace po = boost::program_options; + +using namespace cryptonote; +using namespace epee; + +bool BlockchainExport::open(const boost::filesystem::path& dir_path) +{ + if (boost::filesystem::exists(dir_path)) + { + if (!boost::filesystem::is_directory(dir_path)) + { + LOG_PRINT_RED_L0("export directory path is a file: " << dir_path); + return false; + } + } + else + { + if (!boost::filesystem::create_directory(dir_path)) + { + LOG_PRINT_RED_L0("Failed to create directory " << dir_path); + return false; + } + } + + std::string file_path = (dir_path / BLOCKCHAIN_RAW).string(); + m_raw_data_file = new std::ofstream(); + m_raw_data_file->open(file_path , std::ios_base::binary | std::ios_base::out| std::ios::trunc); + if (m_raw_data_file->fail()) + return false; + + m_output_stream = new boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>(m_buffer); + m_raw_archive = new boost::archive::binary_oarchive(*m_output_stream); + if (m_raw_archive == NULL) + return false; + + return true; +} + +void BlockchainExport::flush_chunk() +{ + m_output_stream->flush(); + char buffer[STR_LENGTH_OF_INT + 1]; + int chunk_size = (int) m_buffer.size(); + if (chunk_size > BUFFER_SIZE) + { + LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > BUFFER_SIZE " << BUFFER_SIZE); + } + sprintf(buffer, STR_FORMAT_OF_INT, chunk_size); + m_raw_data_file->write(buffer, STR_LENGTH_OF_INT); + if (max_chunk < chunk_size) + { + max_chunk = chunk_size; + } + long pos_before = m_raw_data_file->tellp(); + std::copy(m_buffer.begin(), m_buffer.end(), std::ostreambuf_iterator<char>(*m_raw_data_file)); + m_raw_data_file->flush(); + long pos_after = m_raw_data_file->tellp(); + long num_chars_written = pos_after - pos_before; + if ((int) num_chars_written != chunk_size) + { + LOG_PRINT_RED_L0("INTERNAL ERROR: num chars wrote NEQ buffer size. height = " << height); + } + + m_buffer.clear(); + delete m_raw_archive; + delete m_output_stream; + m_output_stream = new boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>(m_buffer); + m_raw_archive = new boost::archive::binary_oarchive(*m_output_stream); +} + +void BlockchainExport::serialize_block_to_text_buffer(const block& block) +{ + *m_raw_archive << block; +} + +void BlockchainExport::buffer_serialize_tx(const transaction& tx) +{ + *m_raw_archive << tx; +} + +void BlockchainExport::buffer_write_num_txs(const std::list<transaction> txs) +{ + int n = txs.size(); + *m_raw_archive << n; +} + +void BlockchainExport::write_block(block& block) +{ + serialize_block_to_text_buffer(block); + std::list<transaction> txs; + + uint64_t block_height = boost::get<txin_gen>(block.miner_tx.vin.front()).height; + + // put coinbase transaction first + transaction coinbase_tx = block.miner_tx; + crypto::hash coinbase_tx_hash = get_transaction_hash(coinbase_tx); + // blockchain_storage: + const transaction* cb_tx_full = m_blockchain_storage->get_tx(coinbase_tx_hash); + // + // BlockchainDB: + // transaction cb_tx_full = m_blockchain_storage->get_tx(coinbase_tx_hash); + + + // blockchain_storage: + if (cb_tx_full != NULL) + { + txs.push_back(*cb_tx_full); + } + // + // BlockchainDB: + // txs.push_back(cb_tx_full); + + // now add all regular transactions + BOOST_FOREACH(const auto& tx_id, block.tx_hashes) + { +#if SOURCE_DB == DB_MEMORY + const transaction* tx = m_blockchain_storage->get_tx(tx_id); +#else + transaction tx = m_blockchain_storage->get_tx(tx_id); +#endif + +#if SOURCE_DB == DB_MEMORY + if(tx == NULL) + { + if (! m_tx_pool) + throw std::runtime_error("Aborting: tx == NULL, so memory pool required to get tx, but memory pool isn't enabled"); + else + { + transaction tx; + if(m_tx_pool->get_transaction(tx_id, tx)) + txs.push_back(tx); + else + throw std::runtime_error("Aborting: tx not found in pool"); + } + } + else + txs.push_back(*tx); +#else + txs.push_back(tx); +#endif + } + + // serialize all txs to the persistant storage + buffer_write_num_txs(txs); + BOOST_FOREACH(const auto& tx, txs) + { + buffer_serialize_tx(tx); + } + + // These three attributes are currently necessary for a fast import that adds blocks without verification. + bool include_extra_block_data = true; + if (include_extra_block_data) + { + size_t block_size = m_blockchain_storage->get_block_size(block_height); + difficulty_type cumulative_difficulty = m_blockchain_storage->get_block_cumulative_difficulty(block_height); + uint64_t coins_generated = m_blockchain_storage->get_block_coins_generated(block_height); + + *m_raw_archive << block_size; + *m_raw_archive << cumulative_difficulty; + *m_raw_archive << coins_generated; + } +} + +bool BlockchainExport::BlockchainExport::close() +{ + if (m_raw_data_file->fail()) + return false; + + m_raw_data_file->flush(); + delete m_raw_archive; + delete m_output_stream; + delete m_raw_data_file; + return true; +} + + +#if SOURCE_DB == DB_MEMORY +bool BlockchainExport::store_blockchain_raw(blockchain_storage* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t use_block_height) +#else +bool BlockchainExport::store_blockchain_raw(BlockchainDB* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t use_block_height) +#endif +{ + uint64_t use_block_height2 = 0; + m_blockchain_storage = _blockchain_storage; + m_tx_pool = _tx_pool; + LOG_PRINT_L0("Storing blocks raw data..."); + if (!BlockchainExport::open(output_dir)) + { + LOG_PRINT_RED_L0("failed to open raw file for write"); + return false; + } + block b; + LOG_PRINT_L0("source blockchain height: " << m_blockchain_storage->get_current_blockchain_height()); + LOG_PRINT_L0("requested block height: " << use_block_height); + if ((use_block_height > 0) && (use_block_height < m_blockchain_storage->get_current_blockchain_height())) + use_block_height2 = use_block_height; + else + { + use_block_height2 = m_blockchain_storage->get_current_blockchain_height(); + LOG_PRINT_L0("using block height: " << use_block_height2); + } + for (height=0; height < use_block_height2; ++height) + { + crypto::hash hash = m_blockchain_storage->get_block_id_by_height(height); + m_blockchain_storage->get_block_by_hash(hash, b); + write_block(b); + if (height % NUM_BLOCKS_PER_CHUNK == 0) { + flush_chunk(); + } + } + if (height % NUM_BLOCKS_PER_CHUNK != 0) + { + flush_chunk(); + } + + LOG_PRINT_L0("longest chunk was " << max_chunk << " bytes"); + return BlockchainExport::close(); +} + + +int main(int argc, char* argv[]) +{ + uint32_t log_level = 0; + uint64_t block_height = 0; + std::string import_filename = BLOCKCHAIN_RAW; + + boost::filesystem::path default_data_path {tools::get_default_data_dir()}; + boost::filesystem::path default_testnet_data_path {default_data_path / "testnet"}; + + po::options_description desc_cmd_only("Command line options"); + po::options_description desc_cmd_sett("Command line options and settings options"); + const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level}; + const command_line::arg_descriptor<uint64_t> arg_block_height = {"block-number", "", block_height}; + const command_line::arg_descriptor<bool> arg_testnet_on = { + "testnet" + , "Run on testnet." + , false + }; + + + command_line::add_arg(desc_cmd_sett, command_line::arg_data_dir, default_data_path.string()); + command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string()); + command_line::add_arg(desc_cmd_sett, arg_log_level); + command_line::add_arg(desc_cmd_sett, arg_block_height); + command_line::add_arg(desc_cmd_sett, arg_testnet_on); + + command_line::add_arg(desc_cmd_only, command_line::arg_help); + + po::options_description desc_options("Allowed options"); + desc_options.add(desc_cmd_only).add(desc_cmd_sett); + + po::variables_map vm; + bool r = command_line::handle_error_helper(desc_options, [&]() + { + po::store(po::parse_command_line(argc, argv, desc_options), vm); + po::notify(vm); + return true; + }); + if (! r) + return 1; + + if (command_line::get_arg(vm, command_line::arg_help)) + { + std::cout << CRYPTONOTE_NAME << " v" << MONERO_VERSION_FULL << ENDL << ENDL; + std::cout << desc_options << std::endl; + return 1; + } + + log_level = command_line::get_arg(vm, arg_log_level); + block_height = command_line::get_arg(vm, arg_block_height); + + log_space::get_set_log_detalisation_level(true, log_level); + log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL); + LOG_PRINT_L0("Starting..."); + LOG_PRINT_L0("Setting log level = " << log_level); + + bool opt_testnet = command_line::get_arg(vm, arg_testnet_on); + + std::string m_config_folder; + + auto data_dir_arg = opt_testnet ? command_line::arg_testnet_data_dir : command_line::arg_data_dir; + m_config_folder = command_line::get_arg(vm, data_dir_arg); + boost::filesystem::path output_dir {m_config_folder}; + output_dir /= "export"; + std::cout << "config directory: " << m_config_folder << ENDL; + + // If we wanted to use the memory pool, we would set up a fake_core. + +#if SOURCE_DB == DB_MEMORY + // blockchain_storage* core_storage = NULL; + // tx_memory_pool m_mempool(*core_storage); // is this fake anyway? just passing in NULL! so m_mempool can't be used anyway, right? + // core_storage = new blockchain_storage(&m_mempool); + + blockchain_storage* core_storage = new blockchain_storage(NULL); +#else + BlockchainDB* core_storage = new BlockchainLMDB(); +#endif + // tx_memory_pool m_mempool(core_storage); + + LOG_PRINT_L0("Initializing source blockchain storage..."); + r = core_storage->init(m_config_folder, opt_testnet); + CHECK_AND_ASSERT_MES(r, false, "Failed to initialize source blockchain storage"); + LOG_PRINT_L0("Source blockchain storage initialized OK"); + LOG_PRINT_L0("Exporting blockchain raw data..."); + + BlockchainExport be; + r = be.store_blockchain_raw(core_storage, NULL, output_dir, block_height); + CHECK_AND_ASSERT_MES(r, false, "Failed to export blockchain raw data"); + LOG_PRINT_L0("Blockchain raw data exported OK"); +} diff --git a/src/blockchain_converter/blockchain_export.h b/src/blockchain_converter/blockchain_export.h new file mode 100644 index 000000000..cd79d1c47 --- /dev/null +++ b/src/blockchain_converter/blockchain_export.h @@ -0,0 +1,74 @@ +// 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. + +#pragma once + +#include <boost/archive/binary_oarchive.hpp> +#include <boost/iostreams/stream_buffer.hpp> +#include <boost/iostreams/stream.hpp> +#include <boost/iostreams/device/back_inserter.hpp> +#include "cryptonote_core/cryptonote_basic.h" +#include "cryptonote_core/blockchain_storage.h" +#include "cryptonote_core/blockchain.h" +// TODO: +#include "blockchain_db/blockchain_db.h" +#include "blockchain_db/lmdb/db_lmdb.h" + +using namespace cryptonote; + +class BlockchainExport +{ +public: + bool store_blockchain_raw(cryptonote::blockchain_storage* cs, cryptonote::tx_memory_pool* txp, + boost::filesystem::path& output_dir, uint64_t use_block_height=0); + // + // BlockchainDB: + // bool store_blockchain_raw(cryptonote::BlockchainDB* cs, boost::filesystem::path& output_dir, uint64_t use_block_height=0); + +protected: + // blockchain_storage: + blockchain_storage* m_blockchain_storage; + // + // BlockchainDB: + // BlockchainDB* m_blockchain_storage; + tx_memory_pool* m_tx_pool; + typedef std::vector<char> buffer_type; + std::ofstream * m_raw_data_file; + boost::archive::binary_oarchive * m_raw_archive; + buffer_type m_buffer; + boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>* m_output_stream; + + // open export file for write + bool open(const boost::filesystem::path& dir_path); + bool close(); + void write_block(block& block); + void serialize_block_to_text_buffer(const block& block); + void buffer_serialize_tx(const transaction& tx); + void buffer_write_num_txs(const std::list<transaction> txs); + void flush_chunk(); +}; |