Add blockchain_export utility
Based on work by tomerkon. See https://github.com/tomerkon/bitmonero src/cryptonote_core/bootfilesaver.{h,cpp} src/bootfilegen/bootfilegen.cpp
This commit is contained in:
warptangent
parent
275cbd4348
commit
f6cbfb623b
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@ -47,6 +47,20 @@ set(blockchain_import_private_headers
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bitmonero_private_headers(blockchain_import
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${blockchain_import_private_headers})
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set(blockchain_export_sources
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blockchain_export.cpp
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)
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set(blockchain_export_private_headers
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import.h
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blockchain_export.h
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)
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bitmonero_private_headers(blockchain_export
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${blockchain_export_private_headers})
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if (BLOCKCHAIN_DB STREQUAL DB_LMDB)
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bitmonero_add_executable(blockchain_converter
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${blockchain_converter_sources}
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@ -79,3 +93,18 @@ add_dependencies(blockchain_import
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set_property(TARGET blockchain_import
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PROPERTY
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OUTPUT_NAME "blockchain_import")
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bitmonero_add_executable(blockchain_export
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${blockchain_export_sources}
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${blockchain_export_private_headers})
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target_link_libraries(blockchain_export
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LINK_PRIVATE
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cryptonote_core
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${CMAKE_THREAD_LIBS_INIT})
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add_dependencies(blockchain_export
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version)
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set_property(TARGET blockchain_export
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PROPERTY
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OUTPUT_NAME "blockchain_export")
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@ -0,0 +1,367 @@
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// Copyright (c) 2014-2015, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <algorithm>
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#include <cstdio>
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#include <fstream>
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#include <boost/iostreams/copy.hpp>
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#include <atomic>
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#include <boost/archive/binary_oarchive.hpp>
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#include <boost/archive/binary_iarchive.hpp>
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#include <boost/iostreams/stream_buffer.hpp>
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#include <boost/iostreams/stream.hpp>
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#include <boost/iostreams/device/back_inserter.hpp>
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#include <boost/iostreams/filtering_streambuf.hpp>
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#include <boost/iostreams/filter/bzip2.hpp>
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#include "common/command_line.h"
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#include "version.h"
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#include "blockchain_export.h"
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#include "cryptonote_core/cryptonote_boost_serialization.h"
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#include "import.h"
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// #include "fake_core.h"
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#define SOURCE_DB DB_MEMORY
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// currently not supported:
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// to use what was set at compile time (DB_MEMORY or DB_LMDB)
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// #define SOURCE_DB BLOCKCHAIN_DB
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static int max_chunk = 0;
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static size_t height;
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namespace po = boost::program_options;
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using namespace cryptonote;
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using namespace epee;
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bool BlockchainExport::open(const boost::filesystem::path& dir_path)
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{
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if (boost::filesystem::exists(dir_path))
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{
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if (!boost::filesystem::is_directory(dir_path))
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{
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LOG_PRINT_RED_L0("export directory path is a file: " << dir_path);
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return false;
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}
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}
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else
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{
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if (!boost::filesystem::create_directory(dir_path))
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{
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LOG_PRINT_RED_L0("Failed to create directory " << dir_path);
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return false;
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}
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}
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std::string file_path = (dir_path / BLOCKCHAIN_RAW).string();
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m_raw_data_file = new std::ofstream();
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m_raw_data_file->open(file_path , std::ios_base::binary | std::ios_base::out| std::ios::trunc);
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if (m_raw_data_file->fail())
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return false;
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m_output_stream = new boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>(m_buffer);
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m_raw_archive = new boost::archive::binary_oarchive(*m_output_stream);
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if (m_raw_archive == NULL)
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return false;
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return true;
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}
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void BlockchainExport::flush_chunk()
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{
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m_output_stream->flush();
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char buffer[STR_LENGTH_OF_INT + 1];
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int chunk_size = (int) m_buffer.size();
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if (chunk_size > BUFFER_SIZE)
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{
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LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > BUFFER_SIZE " << BUFFER_SIZE);
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}
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sprintf(buffer, STR_FORMAT_OF_INT, chunk_size);
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m_raw_data_file->write(buffer, STR_LENGTH_OF_INT);
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if (max_chunk < chunk_size)
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{
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max_chunk = chunk_size;
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}
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long pos_before = m_raw_data_file->tellp();
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std::copy(m_buffer.begin(), m_buffer.end(), std::ostreambuf_iterator<char>(*m_raw_data_file));
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m_raw_data_file->flush();
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long pos_after = m_raw_data_file->tellp();
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long num_chars_written = pos_after - pos_before;
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if ((int) num_chars_written != chunk_size)
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{
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LOG_PRINT_RED_L0("INTERNAL ERROR: num chars wrote NEQ buffer size. height = " << height);
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}
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m_buffer.clear();
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delete m_raw_archive;
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delete m_output_stream;
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m_output_stream = new boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>(m_buffer);
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m_raw_archive = new boost::archive::binary_oarchive(*m_output_stream);
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}
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void BlockchainExport::serialize_block_to_text_buffer(const block& block)
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{
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*m_raw_archive << block;
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}
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void BlockchainExport::buffer_serialize_tx(const transaction& tx)
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{
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*m_raw_archive << tx;
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}
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void BlockchainExport::buffer_write_num_txs(const std::list<transaction> txs)
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{
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int n = txs.size();
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*m_raw_archive << n;
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}
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void BlockchainExport::write_block(block& block)
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{
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serialize_block_to_text_buffer(block);
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std::list<transaction> txs;
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uint64_t block_height = boost::get<txin_gen>(block.miner_tx.vin.front()).height;
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// put coinbase transaction first
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transaction coinbase_tx = block.miner_tx;
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crypto::hash coinbase_tx_hash = get_transaction_hash(coinbase_tx);
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// blockchain_storage:
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const transaction* cb_tx_full = m_blockchain_storage->get_tx(coinbase_tx_hash);
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//
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// BlockchainDB:
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// transaction cb_tx_full = m_blockchain_storage->get_tx(coinbase_tx_hash);
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// blockchain_storage:
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if (cb_tx_full != NULL)
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{
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txs.push_back(*cb_tx_full);
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}
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//
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// BlockchainDB:
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// txs.push_back(cb_tx_full);
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// now add all regular transactions
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BOOST_FOREACH(const auto& tx_id, block.tx_hashes)
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{
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#if SOURCE_DB == DB_MEMORY
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const transaction* tx = m_blockchain_storage->get_tx(tx_id);
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#else
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transaction tx = m_blockchain_storage->get_tx(tx_id);
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#endif
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#if SOURCE_DB == DB_MEMORY
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if(tx == NULL)
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{
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if (! m_tx_pool)
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throw std::runtime_error("Aborting: tx == NULL, so memory pool required to get tx, but memory pool isn't enabled");
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else
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{
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transaction tx;
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if(m_tx_pool->get_transaction(tx_id, tx))
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txs.push_back(tx);
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else
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throw std::runtime_error("Aborting: tx not found in pool");
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}
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}
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else
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txs.push_back(*tx);
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#else
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txs.push_back(tx);
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#endif
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}
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// serialize all txs to the persistant storage
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buffer_write_num_txs(txs);
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BOOST_FOREACH(const auto& tx, txs)
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{
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buffer_serialize_tx(tx);
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}
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// These three attributes are currently necessary for a fast import that adds blocks without verification.
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bool include_extra_block_data = true;
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if (include_extra_block_data)
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{
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size_t block_size = m_blockchain_storage->get_block_size(block_height);
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difficulty_type cumulative_difficulty = m_blockchain_storage->get_block_cumulative_difficulty(block_height);
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uint64_t coins_generated = m_blockchain_storage->get_block_coins_generated(block_height);
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*m_raw_archive << block_size;
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*m_raw_archive << cumulative_difficulty;
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*m_raw_archive << coins_generated;
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}
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}
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bool BlockchainExport::BlockchainExport::close()
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{
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if (m_raw_data_file->fail())
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return false;
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m_raw_data_file->flush();
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delete m_raw_archive;
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delete m_output_stream;
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delete m_raw_data_file;
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return true;
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}
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#if SOURCE_DB == DB_MEMORY
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bool BlockchainExport::store_blockchain_raw(blockchain_storage* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t use_block_height)
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#else
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bool BlockchainExport::store_blockchain_raw(BlockchainDB* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_dir, uint64_t use_block_height)
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#endif
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{
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uint64_t use_block_height2 = 0;
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m_blockchain_storage = _blockchain_storage;
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m_tx_pool = _tx_pool;
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LOG_PRINT_L0("Storing blocks raw data...");
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if (!BlockchainExport::open(output_dir))
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{
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LOG_PRINT_RED_L0("failed to open raw file for write");
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return false;
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}
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block b;
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LOG_PRINT_L0("source blockchain height: " << m_blockchain_storage->get_current_blockchain_height());
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LOG_PRINT_L0("requested block height: " << use_block_height);
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if ((use_block_height > 0) && (use_block_height < m_blockchain_storage->get_current_blockchain_height()))
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use_block_height2 = use_block_height;
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else
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{
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use_block_height2 = m_blockchain_storage->get_current_blockchain_height();
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LOG_PRINT_L0("using block height: " << use_block_height2);
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}
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for (height=0; height < use_block_height2; ++height)
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{
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crypto::hash hash = m_blockchain_storage->get_block_id_by_height(height);
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m_blockchain_storage->get_block_by_hash(hash, b);
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write_block(b);
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if (height % NUM_BLOCKS_PER_CHUNK == 0) {
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flush_chunk();
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}
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}
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if (height % NUM_BLOCKS_PER_CHUNK != 0)
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{
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flush_chunk();
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}
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LOG_PRINT_L0("longest chunk was " << max_chunk << " bytes");
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return BlockchainExport::close();
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}
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int main(int argc, char* argv[])
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{
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uint32_t log_level = 0;
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uint64_t block_height = 0;
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std::string import_filename = BLOCKCHAIN_RAW;
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boost::filesystem::path default_data_path {tools::get_default_data_dir()};
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boost::filesystem::path default_testnet_data_path {default_data_path / "testnet"};
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po::options_description desc_cmd_only("Command line options");
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po::options_description desc_cmd_sett("Command line options and settings options");
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const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level};
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const command_line::arg_descriptor<uint64_t> arg_block_height = {"block-number", "", block_height};
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const command_line::arg_descriptor<bool> arg_testnet_on = {
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"testnet"
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, "Run on testnet."
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, false
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};
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command_line::add_arg(desc_cmd_sett, command_line::arg_data_dir, default_data_path.string());
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command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string());
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command_line::add_arg(desc_cmd_sett, arg_log_level);
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command_line::add_arg(desc_cmd_sett, arg_block_height);
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command_line::add_arg(desc_cmd_sett, arg_testnet_on);
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command_line::add_arg(desc_cmd_only, command_line::arg_help);
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po::options_description desc_options("Allowed options");
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desc_options.add(desc_cmd_only).add(desc_cmd_sett);
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po::variables_map vm;
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bool r = command_line::handle_error_helper(desc_options, [&]()
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{
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po::store(po::parse_command_line(argc, argv, desc_options), vm);
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po::notify(vm);
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return true;
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});
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if (! r)
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return 1;
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if (command_line::get_arg(vm, command_line::arg_help))
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{
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std::cout << CRYPTONOTE_NAME << " v" << MONERO_VERSION_FULL << ENDL << ENDL;
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std::cout << desc_options << std::endl;
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return 1;
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}
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log_level = command_line::get_arg(vm, arg_log_level);
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block_height = command_line::get_arg(vm, arg_block_height);
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log_space::get_set_log_detalisation_level(true, log_level);
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log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
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LOG_PRINT_L0("Starting...");
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LOG_PRINT_L0("Setting log level = " << log_level);
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bool opt_testnet = command_line::get_arg(vm, arg_testnet_on);
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std::string m_config_folder;
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auto data_dir_arg = opt_testnet ? command_line::arg_testnet_data_dir : command_line::arg_data_dir;
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m_config_folder = command_line::get_arg(vm, data_dir_arg);
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boost::filesystem::path output_dir {m_config_folder};
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output_dir /= "export";
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std::cout << "config directory: " << m_config_folder << ENDL;
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// If we wanted to use the memory pool, we would set up a fake_core.
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#if SOURCE_DB == DB_MEMORY
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// blockchain_storage* core_storage = NULL;
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// tx_memory_pool m_mempool(*core_storage); // is this fake anyway? just passing in NULL! so m_mempool can't be used anyway, right?
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// core_storage = new blockchain_storage(&m_mempool);
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blockchain_storage* core_storage = new blockchain_storage(NULL);
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#else
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BlockchainDB* core_storage = new BlockchainLMDB();
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#endif
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// tx_memory_pool m_mempool(core_storage);
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LOG_PRINT_L0("Initializing source blockchain storage...");
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r = core_storage->init(m_config_folder, opt_testnet);
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CHECK_AND_ASSERT_MES(r, false, "Failed to initialize source blockchain storage");
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LOG_PRINT_L0("Source blockchain storage initialized OK");
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LOG_PRINT_L0("Exporting blockchain raw data...");
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BlockchainExport be;
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r = be.store_blockchain_raw(core_storage, NULL, output_dir, block_height);
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CHECK_AND_ASSERT_MES(r, false, "Failed to export blockchain raw data");
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LOG_PRINT_L0("Blockchain raw data exported OK");
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}
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@ -0,0 +1,74 @@
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// Copyright (c) 2014-2015, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
|
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
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// of conditions and the following disclaimer in the documentation and/or other
|
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// materials provided with the distribution.
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//
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// 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
|
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// prior written permission.
|
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//
|
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// 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
|
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include <boost/archive/binary_oarchive.hpp>
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#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();
|
||||
};
|
||||
Loading…
Reference in New Issue