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Merges PR #35

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This commit is contained in:
Thomas Winget 2015-03-17 19:07:09 -04:00
commit 38c54b79fd
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GPG key ID: 58131A160789E630
12 changed files with 1662 additions and 41 deletions
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56
src/blockchain_converter/CMakeLists.txt
View file

@ -35,6 +35,32 @@ set(blockchain_converter_private_headers)
bitmonero_private_headers(blockchain_converter
${blockchain_converter_private_headers})
set(blockchain_import_sources
blockchain_import.cpp
)
set(blockchain_import_private_headers
import.h
fake_core.h
)
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}
@ -52,3 +78,33 @@ set_property(TARGET blockchain_converter
PROPERTY
OUTPUT_NAME "blockchain_converter")
endif ()
bitmonero_add_executable(blockchain_import
${blockchain_import_sources}
${blockchain_import_private_headers})
target_link_libraries(blockchain_import
LINK_PRIVATE
cryptonote_core
${CMAKE_THREAD_LIBS_INIT})
add_dependencies(blockchain_import
version)
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")

202
src/blockchain_converter/blockchain_converter.cpp
View file

@ -38,52 +38,179 @@
#include "cryptonote_core/blockchain.h"
#include "blockchain_db/lmdb/db_lmdb.h"
#include "cryptonote_core/tx_pool.h"
#include "common/command_line.h"
#include "serialization/json_utils.h"
#include "include_base_utils.h"
#include "version.h"
#include <iostream>
// CONFIG
static bool opt_batch = true;
static bool opt_testnet = false;
// number of blocks per batch transaction
// adjustable through command-line argument according to available RAM
static uint64_t db_batch_size = 20000;
namespace po = boost::program_options;
using namespace cryptonote;
using namespace epee;
struct fake_core
{
tx_memory_pool m_pool;
Blockchain dummy;
tx_memory_pool m_pool;
blockchain_storage m_storage;
fake_core(const boost::filesystem::path &path) : m_pool(dummy), dummy(m_pool), m_storage(&m_pool)
#if !defined(BLOCKCHAIN_DB)
// for multi_db_runtime:
fake_core(const boost::filesystem::path &path, const bool use_testnet) : dummy(m_pool), m_pool(&dummy), m_storage(m_pool)
#else
// for multi_db_compile:
fake_core(const boost::filesystem::path &path, const bool use_testnet) : dummy(m_pool), m_pool(dummy), m_storage(&m_pool)
#endif
{
m_pool.init(path.string());
m_storage.init(path.string(), false);
m_storage.init(path.string(), use_testnet);
}
};
int main(int argc, char* argv[])
{
std::string dir = tools::get_default_data_dir();
boost::filesystem::path default_data_path {dir};
if (argc >= 2 && !strcmp(argv[1], "--testnet")) {
default_data_path /= "testnet";
uint64_t height = 0;
uint64_t start_block = 0;
uint64_t end_block = 0;
uint64_t num_blocks = 0;
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_0};
const command_line::arg_descriptor<uint64_t> arg_batch_size = {"batch-size", "", db_batch_size};
const command_line::arg_descriptor<bool> arg_testnet_on = {
"testnet"
, "Run on testnet."
, opt_testnet
};
const command_line::arg_descriptor<uint64_t> arg_block_number =
{"block-number", "Number of blocks (default: use entire source blockchain)",
0};
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_batch_size);
command_line::add_arg(desc_cmd_sett, arg_testnet_on);
command_line::add_arg(desc_cmd_sett, arg_block_number);
command_line::add_arg(desc_cmd_only, command_line::arg_help);
const command_line::arg_descriptor<bool> arg_batch = {"batch",
"Batch transactions for faster import", true};
// call add_options() directly for these arguments since command_line helpers
// support only boolean switch, not boolean argument
desc_cmd_sett.add_options()
(arg_batch.name, make_semantic(arg_batch), arg_batch.description)
;
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;
int log_level = command_line::get_arg(vm, arg_log_level);
opt_batch = command_line::get_arg(vm, arg_batch);
db_batch_size = command_line::get_arg(vm, arg_batch_size);
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;
}
fake_core c(default_data_path);
if (! opt_batch && ! vm["batch-size"].defaulted())
{
std::cerr << "Error: batch-size set, but batch option not enabled" << ENDL;
return 1;
}
if (! db_batch_size)
{
std::cerr << "Error: batch-size must be > 0" << ENDL;
return 1;
}
log_space::get_set_log_detalisation_level(true, log_level);
log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
LOG_PRINT_L0("Starting...");
std::string src_folder;
opt_testnet = command_line::get_arg(vm, arg_testnet_on);
auto data_dir_arg = opt_testnet ? command_line::arg_testnet_data_dir : command_line::arg_data_dir;
src_folder = command_line::get_arg(vm, data_dir_arg);
boost::filesystem::path dest_folder(src_folder);
num_blocks = command_line::get_arg(vm, arg_block_number);
if (opt_batch)
{
LOG_PRINT_L0("batch: " << std::boolalpha << opt_batch << std::noboolalpha
<< " batch size: " << db_batch_size);
}
else
{
LOG_PRINT_L0("batch: " << std::boolalpha << opt_batch << std::noboolalpha);
}
LOG_PRINT_L0("testnet: " << std::boolalpha << opt_testnet << std::noboolalpha);
fake_core c(src_folder, opt_testnet);
height = c.m_storage.get_current_blockchain_height();
if (! num_blocks || num_blocks > height)
end_block = height - 1;
else
end_block = start_block + num_blocks - 1;
BlockchainDB *blockchain;
blockchain = new BlockchainLMDB(opt_batch);
dest_folder /= blockchain->get_db_name();
LOG_PRINT_L0("Source blockchain: " << src_folder);
LOG_PRINT_L0("Dest blockchain: " << dest_folder.string());
LOG_PRINT_L0("Opening LMDB: " << dest_folder.string());
blockchain->open(dest_folder.string());
blockchain = new BlockchainLMDB();
boost::filesystem::path db_path(default_data_path);
db_path /= blockchain->get_db_name();
blockchain->open(db_path.string());
for (uint64_t height, i = 0; i < (height = c.m_storage.get_current_blockchain_height()); ++i)
if (opt_batch)
blockchain->batch_start();
uint64_t i = 0;
for (i = start_block; i < end_block + 1; ++i)
{
if (i % 10 == 0)
// block: i height: i+1 end height: end_block + 1
if ((i+1) % 10 == 0)
{
std::cout << "\r \r" << "block " << i << "/" << height
<< " (" << (i+1)*100/height<< "%)" << std::flush;
std::cout << "\r \r" << "height " << i+1 << "/" <<
end_block+1 << " (" << (i+1)*100/(end_block+1)<< "%)" << std::flush;
}
// for debugging:
// std::cout << "height " << i+1 << "/" << end_block+1
// << " ((" << i+1 << ")*100/(end_block+1))" << "%)" << ENDL;
block b = c.m_storage.get_block(i);
size_t bsize = c.m_storage.get_block_size(i);
difficulty_type bdiff = c.m_storage.get_block_cumulative_difficulty(i);
@ -94,8 +221,8 @@ int main(int argc, char* argv[])
c.m_storage.get_transactions(b.tx_hashes, txs, missed);
if (missed.size())
{
std::cout << std::endl;
std::cerr << "Missed transaction(s) for block at height " << i << ", exiting" << std::endl;
std::cout << ENDL;
std::cerr << "Missed transaction(s) for block at height " << i + 1 << ", exiting" << ENDL;
delete blockchain;
return 1;
}
@ -103,17 +230,40 @@ int main(int argc, char* argv[])
try
{
blockchain->add_block(b, bsize, bdiff, bcoins, txs);
if (opt_batch)
{
if ((i < end_block) && ((i + 1) % db_batch_size == 0))
{
std::cout << "\r \r";
std::cout << "[- batch commit at height " << i + 1 << " -]" << ENDL;
blockchain->batch_stop();
blockchain->batch_start();
std::cout << ENDL;
blockchain->show_stats();
}
}
}
catch (const std::exception& e)
{
std::cout << std::endl;
std::cerr << "Error adding block to new blockchain: " << e.what() << std::endl;
std::cout << ENDL;
std::cerr << "Error adding block to new blockchain: " << e.what() << ENDL;
delete blockchain;
return 2;
}
}
if (opt_batch)
{
std::cout << "\r \r" << "height " << i << "/" <<
end_block+1 << " (" << (i)*100/(end_block+1)<< "%)" << std::flush;
std::cout << ENDL;
std::cout << "[- batch commit at height " << i << " -]" << ENDL;
blockchain->batch_stop();
}
std::cout << ENDL;
blockchain->show_stats();
std::cout << "Finished at height: " << i << " block: " << i-1 << ENDL;
std::cout << std::endl;
delete blockchain;
return 0;
}

386
src/blockchain_converter/blockchain_export.cpp Normal file
View file

@ -0,0 +1,386 @@
// 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"
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);
#if SOURCE_DB == DB_MEMORY
const transaction* cb_tx_full = m_blockchain_storage->get_tx(coinbase_tx_hash);
#else
transaction cb_tx_full = m_blockchain_storage->get_db()->get_tx(coinbase_tx_hash);
#endif
#if SOURCE_DB == DB_MEMORY
if (cb_tx_full != NULL)
{
txs.push_back(*cb_tx_full);
}
#else
// TODO: should check and abort if cb_tx_full equals null_hash?
txs.push_back(cb_tx_full);
#endif
// 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_db()->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)
{
#if SOURCE_DB == DB_MEMORY
size_t block_size = m_blockchain_storage->get_block_size(block_height);
#else
size_t block_size = m_blockchain_storage->get_db()->get_block_size(block_height);
#endif
#if SOURCE_DB == DB_MEMORY
difficulty_type cumulative_difficulty = m_blockchain_storage->get_block_cumulative_difficulty(block_height);
#else
difficulty_type cumulative_difficulty = m_blockchain_storage->get_db()->get_block_cumulative_difficulty(block_height);
#endif
#if SOURCE_DB == DB_MEMORY
uint64_t coins_generated = m_blockchain_storage->get_block_coins_generated(block_height);
#else
// TODO TEST to verify that this is the equivalent. make sure no off-by-one error with block height vs block number
uint64_t coins_generated = m_blockchain_storage->get_db()->get_block_already_generated_coins(block_height);
#endif
*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(Blockchain* _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";
LOG_PRINT_L0("Export directory: " << output_dir.string());
// 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);
LOG_PRINT_L0("Initializing source blockchain (in-memory database)");
r = core_storage->init(m_config_folder, opt_testnet);
#else
// Use Blockchain instead of lower-level BlockchainDB for two reasons:
// 1. Blockchain has the init() method for easy setup
// 2. exporter needs to use get_current_blockchain_height(), get_block_id_by_height(), get_block_by_hash()
//
// cannot match blockchain_storage setup above with just one line,
// e.g.
// Blockchain* core_storage = new Blockchain(NULL);
// because unlike blockchain_storage constructor, which takes a pointer to
// tx_memory_pool, Blockchain's constructor takes tx_memory_pool object.
LOG_PRINT_L0("Initializing source blockchain (BlockchainDB)");
Blockchain* core_storage = NULL;
tx_memory_pool m_mempool(*core_storage);
core_storage = new Blockchain(m_mempool);
r = core_storage->init(m_config_folder, opt_testnet);
#endif
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");
}

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// 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"
#include "blockchain_db/blockchain_db.h"
#include "blockchain_db/lmdb/db_lmdb.h"
// CONFIG: choose one of the three #define's
//
// DB_MEMORY is a sensible default for users migrating to LMDB, as it allows
// the exporter to use the in-memory blockchain while the other binaries
// work with LMDB, without recompiling anything.
//
#define SOURCE_DB DB_MEMORY
// #define SOURCE_DB DB_LMDB
// to use global compile-time setting (DB_MEMORY or DB_LMDB):
// #define SOURCE_DB BLOCKCHAIN_DB
using namespace cryptonote;
class BlockchainExport
{
public:
#if SOURCE_DB == DB_MEMORY
bool store_blockchain_raw(cryptonote::blockchain_storage* cs, cryptonote::tx_memory_pool* txp,
boost::filesystem::path& output_dir, uint64_t use_block_height=0);
#else
bool store_blockchain_raw(cryptonote::Blockchain* cs, cryptonote::tx_memory_pool* txp,
boost::filesystem::path& output_dir, uint64_t use_block_height=0);
#endif
protected:
#if SOURCE_DB == DB_MEMORY
blockchain_storage* m_blockchain_storage;
#else
Blockchain* m_blockchain_storage;
#endif
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();
};

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// 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 <atomic>
#include <cstdio>
#include <algorithm>
#include <fstream>
#include <boost/filesystem.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/archive/binary_iarchive.hpp>
#include "cryptonote_core/cryptonote_basic.h"
#include "cryptonote_core/cryptonote_format_utils.h"
#include "cryptonote_core/cryptonote_boost_serialization.h"
#include "serialization/json_utils.h" // dump_json()
#include "include_base_utils.h"
#include "common/command_line.h"
#include "version.h"
#include <lmdb.h> // for db flag arguments
#include "import.h"
#include "fake_core.h"
// CONFIG
static bool opt_batch = true;
static bool opt_verify = true; // use add_new_block, which does verification before calling add_block
static bool opt_resume = true;
static bool opt_testnet = true;
// number of blocks per batch transaction
// adjustable through command-line argument according to available RAM
static uint64_t db_batch_size = 20000;
namespace po = boost::program_options;
using namespace cryptonote;
using namespace epee;
int parse_db_arguments(const std::string& db_arg_str, std::string& db_engine, int& mdb_flags)
{
std::vector<std::string> db_args;
boost::split(db_args, db_arg_str, boost::is_any_of("#"));
db_engine = db_args.front();
boost::algorithm::trim(db_engine);
if (db_args.size() == 1)
{
return 0;
}
else if (db_args.size() > 2)
{
std::cerr << "unrecognized database argument format: " << db_arg_str << ENDL;
return 1;
}
std::string db_arg_str2 = db_args[1];
boost::split(db_args, db_arg_str2, boost::is_any_of(","));
for (auto& it : db_args)
{
boost::algorithm::trim(it);
if (it.empty())
continue;
LOG_PRINT_L1("LMDB flag: " << it);
if (it == "nosync")
{
mdb_flags |= MDB_NOSYNC;
}
else if (it == "nometasync")
{
mdb_flags |= MDB_NOMETASYNC;
}
else if (it == "writemap")
{
mdb_flags |= MDB_WRITEMAP;
}
else if (it == "mapasync")
{
mdb_flags |= MDB_MAPASYNC;
}
else
{
std::cerr << "unrecognized database flag: " << it << ENDL;
return 1;
}
}
return 0;
}
int count_blocks(std::string& import_file_path)
{
boost::filesystem::path raw_file_path(import_file_path);
boost::system::error_code ec;
if (!boost::filesystem::exists(raw_file_path, ec))
{
LOG_PRINT_L0("import file not found: " << raw_file_path);
throw std::runtime_error("Aborting");
}
std::ifstream import_file;
import_file.open(import_file_path, std::ios_base::binary | std::ifstream::in);
uint64_t h = 0;
if (import_file.fail())
{
LOG_PRINT_L0("import_file.open() fail");
throw std::runtime_error("Aborting");
}
LOG_PRINT_L0("Scanning blockchain from import file...");
char buffer1[STR_LENGTH_OF_INT + 1];
block b;
transaction tx;
bool quit = false;
uint64_t bytes_read = 0;
int progress_interval = 10;
while (! quit)
{
int chunk_size;
import_file.read(buffer1, STR_LENGTH_OF_INT);
if (!import_file) {
std::cout << "\r \r";
LOG_PRINT_L1("End of import file reached");
quit = true;
break;
}
h += NUM_BLOCKS_PER_CHUNK;
if (h % progress_interval == 0)
{
std::cout << "\r \r" << "block height: " << h <<
std::flush;
}
bytes_read += STR_LENGTH_OF_INT;
buffer1[STR_LENGTH_OF_INT] = '\0';
chunk_size = atoi(buffer1);
if (chunk_size > BUFFER_SIZE)
{
std::cout << "\r \r";
LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > BUFFER_SIZE " << BUFFER_SIZE
<< " height: " << h);
throw std::runtime_error("Aborting: chunk size exceeds buffer size");
}
if (chunk_size > 100000)
{
std::cout << "\r \r";
LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > 100000" << " height: "
<< h);
}
else if (chunk_size <= 0) {
std::cout << "\r \r";
LOG_PRINT_L0("ERROR: chunk_size " << chunk_size << " <= 0" << " height: " << h);
throw std::runtime_error("Aborting");
}
// skip to next expected block size value
import_file.seekg(chunk_size, std::ios_base::cur);
if (! import_file) {
std::cout << "\r \r";
LOG_PRINT_L0("ERROR: unexpected end of import file: bytes read before error: "
<< import_file.gcount() << " of chunk_size " << chunk_size);
throw std::runtime_error("Aborting");
}
bytes_read += chunk_size;
std::cout << "\r \r";
LOG_PRINT_L3("Total bytes scanned: " << bytes_read);
}
import_file.close();
std::cout << ENDL;
std::cout << "Done scanning import file" << ENDL;
std::cout << "Total bytes scanned: " << bytes_read << ENDL;
std::cout << "Height: " << h << ENDL;
return h;
}
template <typename FakeCore>
int import_from_file(FakeCore& simple_core, std::string& import_file_path)
{
#if !defined(BLOCKCHAIN_DB)
static_assert(std::is_same<fake_core_memory, FakeCore>::value || std::is_same<fake_core_lmdb, FakeCore>::value,
"FakeCore constraint error");
#endif
#if !defined(BLOCKCHAIN_DB) || (BLOCKCHAIN_DB == DB_LMDB)
if (std::is_same<fake_core_lmdb, FakeCore>::value)
{
// Reset stats, in case we're using newly created db, accumulating stats
// from addition of genesis block.
// This aligns internal db counts with importer counts.
simple_core.m_storage.get_db()->reset_stats();
}
#endif
boost::filesystem::path raw_file_path(import_file_path);
boost::system::error_code ec;
if (!boost::filesystem::exists(raw_file_path, ec))
{
LOG_PRINT_L0("import file not found: " << raw_file_path);
return false;
}
uint64_t source_height = count_blocks(import_file_path);
LOG_PRINT_L0("import file blockchain height: " << source_height);
std::ifstream import_file;
import_file.open(import_file_path, std::ios_base::binary | std::ifstream::in);
uint64_t h = 0;
if (import_file.fail())
{
LOG_PRINT_L0("import_file.open() fail");
return false;
}
char buffer1[STR_LENGTH_OF_INT + 1];
char buffer_block[BUFFER_SIZE];
block b;
transaction tx;
int quit = 0;
uint64_t bytes_read = 0;
uint64_t start_height = 1;
if (opt_resume)
start_height = simple_core.m_storage.get_current_blockchain_height();
// Note that a new blockchain will start with a height of 1 (block number 0)
// due to genesis block being added at initialization.
// CONFIG
// TODO: can expand on this, e.g. with --block-number option
uint64_t stop_height = source_height;
// These are what we'll try to use, and they don't have to be a determination
// from source and destination blockchains, but those are the current
// defaults.
LOG_PRINT_L0("start height: " << start_height << " stop height: " <<
stop_height);
bool use_batch = false;
if (opt_batch)
{
if (simple_core.support_batch)
use_batch = true;
else
LOG_PRINT_L0("WARNING: batch transactions enabled but unsupported or unnecessary for this database engine - ignoring");
}
if (use_batch)
simple_core.batch_start();
LOG_PRINT_L0("Reading blockchain from import file...");
std::cout << ENDL;
// Within the loop, we skip to start_height before we start adding.
// TODO: Not a bottleneck, but we can use what's done in count_blocks() and
// only do the chunk size reads, skipping the chunk content reads until we're
// at start_height.
while (! quit)
{
int chunk_size;
import_file.read(buffer1, STR_LENGTH_OF_INT);
if (! import_file) {
std::cout << "\r \r";
LOG_PRINT_L0("End of import file reached");
quit = 1;
break;
}
bytes_read += STR_LENGTH_OF_INT;
buffer1[STR_LENGTH_OF_INT] = '\0';
chunk_size = atoi(buffer1);
if (chunk_size > BUFFER_SIZE)
{
LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > BUFFER_SIZE " << BUFFER_SIZE);
throw std::runtime_error("Aborting: chunk size exceeds buffer size");
}
if (chunk_size > 100000)
{
LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > 100000");
}
else if (chunk_size < 0) {
LOG_PRINT_L0("ERROR: chunk_size " << chunk_size << " < 0");
return 2;
}
import_file.read(buffer_block, chunk_size);
if (! import_file) {
LOG_PRINT_L0("ERROR: unexpected end of import file: bytes read before error: "
<< import_file.gcount() << " of chunk_size " << chunk_size);
return 2;
}
bytes_read += chunk_size;
LOG_PRINT_L3("Total bytes read: " << bytes_read);
if (h + NUM_BLOCKS_PER_CHUNK < start_height + 1)
{
h += NUM_BLOCKS_PER_CHUNK;
continue;
}
if (h > stop_height)
{
LOG_PRINT_L0("Specified height reached - stopping. height: " << h << " block: " << h-1);
quit = 1;
break;
}
try
{
boost::iostreams::basic_array_source<char> device(buffer_block, chunk_size);
boost::iostreams::stream<boost::iostreams::basic_array_source<char>> s(device);
boost::archive::binary_iarchive a(s);
int display_interval = 1000;
int progress_interval = 10;
for (int chunk_ind = 0; chunk_ind < NUM_BLOCKS_PER_CHUNK; chunk_ind++)
{
h++;
if (h % display_interval == 0)
{
std::cout << "\r \r";
LOG_PRINT_L0("loading block height " << h);
}
else
{
LOG_PRINT_L3("loading block height " << h);
}
try {
a >> b;
}
catch (const std::exception& e)
{
std::cout << "\r \r";
LOG_PRINT_RED_L0("exception while de-archiving block, height=" << h);
quit = 1;
break;
}
LOG_PRINT_L2("block prev_id: " << b.prev_id << ENDL);
if (h % progress_interval == 0)
{
std::cout << "\r \r" << "block " << h-1
<< std::flush;
}
std::vector<transaction> txs;
int num_txs;
try
{
a >> num_txs;
}
catch (const std::exception& e)
{
std::cout << "\r \r";
LOG_PRINT_RED_L0("exception while de-archiving tx-num, height=" << h);
quit = 1;
break;
}
for(int tx_num = 1; tx_num <= num_txs; tx_num++)
{
try {
a >> tx;
}
catch (const std::exception& e)
{
LOG_PRINT_RED_L0("exception while de-archiving tx, height=" << h <<", tx_num=" << tx_num);
quit = 1;
break;
}
// if (tx_num == 1) {
// std::cout << "coinbase transaction" << ENDL;
// }
// crypto::hash hsh = null_hash;
// size_t blob_size = 0;
// NOTE: all tx hashes except for coinbase tx are available in the block data
// get_transaction_hash(tx, hsh, blob_size);
// LOG_PRINT_L0("tx " << tx_num << " " << hsh << " : " << ENDL);
// LOG_PRINT_L0(obj_to_json_str(tx) << ENDL);
// add blocks with verification.
// for Blockchain and blockchain_storage add_new_block().
if (opt_verify)
{
if (tx_num == 1) {
continue; // coinbase transaction. no need to insert to tx_pool.
}
// crypto::hash hsh = null_hash;
// size_t blob_size = 0;
// get_transaction_hash(tx, hsh, blob_size);
tx_verification_context tvc = AUTO_VAL_INIT(tvc);
bool r = true;
r = simple_core.m_pool.add_tx(tx, tvc, true);
if (!r)
{
LOG_PRINT_RED_L0("failed to add transaction to transaction pool, height=" << h <<", tx_num=" << tx_num);
quit = 1;
break;
}
}
else
{
// for add_block() method, without (much) processing.
// don't add coinbase transaction to txs.
//
// because add_block() calls
// add_transaction(blk_hash, blk.miner_tx) first, and
// then a for loop for the transactions in txs.
if (tx_num > 1)
{
txs.push_back(tx);
}
}
}
if (opt_verify)
{
block_verification_context bvc = boost::value_initialized<block_verification_context>();
simple_core.m_storage.add_new_block(b, bvc);
if (bvc.m_verifivation_failed)
{
LOG_PRINT_L0("Failed to add block to blockchain, verification failed, height = " << h);
LOG_PRINT_L0("skipping rest of import file");
// ok to commit previously batched data because it failed only in
// verification of potential new block with nothing added to batch
// yet
quit = 1;
break;
}
if (! bvc.m_added_to_main_chain)
{
LOG_PRINT_L0("Failed to add block to blockchain, height = " << h);
LOG_PRINT_L0("skipping rest of import file");
// make sure we don't commit partial block data
quit = 2;
break;
}
}
else
{
size_t block_size;
difficulty_type cumulative_difficulty;
uint64_t coins_generated;
a >> block_size;
a >> cumulative_difficulty;
a >> coins_generated;
std::cout << "\r \r";
LOG_PRINT_L2("block_size: " << block_size);
LOG_PRINT_L2("cumulative_difficulty: " << cumulative_difficulty);
LOG_PRINT_L2("coins_generated: " << coins_generated);
try
{
simple_core.add_block(b, block_size, cumulative_difficulty, coins_generated, txs);
}
catch (const std::exception& e)
{
std::cout << "\r \r";
LOG_PRINT_RED_L0("Error adding block to blockchain: " << e.what());
quit = 2; // make sure we don't commit partial block data
break;
}
}
if (use_batch)
{
if (h % db_batch_size == 0)
{
std::cout << "\r \r";
std::cout << ENDL << "[- batch commit at height " << h << " -]" << ENDL;
simple_core.batch_stop();
simple_core.batch_start();
std::cout << ENDL;
#if !defined(BLOCKCHAIN_DB) || (BLOCKCHAIN_DB == DB_LMDB)
simple_core.m_storage.get_db()->show_stats();
#endif
}
}
}
}
catch (const std::exception& e)
{
std::cout << "\r \r";
LOG_PRINT_RED_L0("exception while reading from import file, height=" << h);
return 2;
}
} // while
import_file.close();
if (use_batch)
{
if (quit > 1)
{
// There was an error, so don't commit pending data.
// Destructor will abort write txn.
}
else
{
simple_core.batch_stop();
}
#if !defined(BLOCKCHAIN_DB) || (BLOCKCHAIN_DB == DB_LMDB)
simple_core.m_storage.get_db()->show_stats();
#endif
if (h > 0)
LOG_PRINT_L0("Finished at height: " << h << " block: " << h-1);
}
std::cout << ENDL;
return 0;
}
int main(int argc, char* argv[])
{
std::string import_filename = BLOCKCHAIN_RAW;
#if defined(BLOCKCHAIN_DB) && (BLOCKCHAIN_DB == DB_MEMORY)
std::string default_db_engine = "memory";
#else
std::string default_db_engine = "lmdb";
#endif
uint32_t log_level = LOG_LEVEL_0;
std::string dirname;
std::string db_arg_str;
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_batch_size = {"batch-size", "", db_batch_size};
const command_line::arg_descriptor<bool> arg_testnet_on = {
"testnet"
, "Run on testnet."
, false
};
const command_line::arg_descriptor<bool> arg_count_blocks = {
"count-blocks"
, "Count blocks in import file and exit"
, false
};
const command_line::arg_descriptor<std::string> arg_database = {
"database", "available: memory, lmdb"
, default_db_engine
};
const command_line::arg_descriptor<bool> arg_verify = {"verify",
"Verify blocks and transactions during import", true};
const command_line::arg_descriptor<bool> arg_batch = {"batch",
"Batch transactions for faster import", true};
const command_line::arg_descriptor<bool> arg_resume = {"resume",
"Resume from current height if output database already exists", true};
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_batch_size);
command_line::add_arg(desc_cmd_sett, arg_testnet_on);
command_line::add_arg(desc_cmd_sett, arg_database);
command_line::add_arg(desc_cmd_only, arg_count_blocks);
command_line::add_arg(desc_cmd_only, command_line::arg_help);
// call add_options() directly for these arguments since
// command_line helpers support only boolean switch, not boolean argument
desc_cmd_sett.add_options()
(arg_verify.name, make_semantic(arg_verify), arg_verify.description)
(arg_batch.name, make_semantic(arg_batch), arg_batch.description)
(arg_resume.name, make_semantic(arg_resume), arg_resume.description)
;
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;
log_level = command_line::get_arg(vm, arg_log_level);
opt_verify = command_line::get_arg(vm, arg_verify);
opt_batch = command_line::get_arg(vm, arg_batch);
opt_resume = command_line::get_arg(vm, arg_resume);
db_batch_size = command_line::get_arg(vm, arg_batch_size);
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;
}
if (! opt_batch && ! vm["batch-size"].defaulted())
{
std::cerr << "Error: batch-size set, but batch option not enabled" << ENDL;
exit(1);
}
if (! db_batch_size)
{
std::cerr << "Error: batch-size must be > 0" << ENDL;
exit(1);
}
std::vector<std::string> db_engines {"memory", "lmdb"};
opt_testnet = command_line::get_arg(vm, arg_testnet_on);
auto data_dir_arg = opt_testnet ? command_line::arg_testnet_data_dir : command_line::arg_data_dir;
dirname = command_line::get_arg(vm, data_dir_arg);
db_arg_str = command_line::get_arg(vm, arg_database);
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);
boost::filesystem::path file_path {dirname};
std::string import_file_path;
import_file_path = (file_path / "export" / import_filename).string();
if (command_line::has_arg(vm, arg_count_blocks))
{
count_blocks(import_file_path);
exit(0);
}
std::string db_engine;
int mdb_flags = 0;
int res = 0;
res = parse_db_arguments(db_arg_str, db_engine, mdb_flags);
if (res)
{
std::cerr << "Error parsing database argument(s)" << ENDL;
exit(1);
}
if (std::find(db_engines.begin(), db_engines.end(), db_engine) == db_engines.end())
{
std::cerr << "Invalid database engine: " << db_engine << std::endl;
exit(1);
}
LOG_PRINT_L0("database: " << db_engine);
LOG_PRINT_L0("verify: " << std::boolalpha << opt_verify << std::noboolalpha);
if (opt_batch)
{
LOG_PRINT_L0("batch: " << std::boolalpha << opt_batch << std::noboolalpha
<< " batch size: " << db_batch_size);
}
else
{
LOG_PRINT_L0("batch: " << std::boolalpha << opt_batch << std::noboolalpha);
}
LOG_PRINT_L0("resume: " << std::boolalpha << opt_resume << std::noboolalpha);
LOG_PRINT_L0("testnet: " << std::boolalpha << opt_testnet << std::noboolalpha);
std::cout << "import file path: " << import_file_path << ENDL;
std::cout << "database path: " << file_path.string() << ENDL;
try
{
// fake_core needed for verification to work when enabled.
//
// NOTE: don't need fake_core method of doing things when we're going to call
// BlockchainDB add_block() directly and have available the 3 block
// properties to do so. Both ways work, but fake core isn't necessary in that
// circumstance.
// for multi_db_runtime:
#if !defined(BLOCKCHAIN_DB)
if (db_engine == "lmdb")
{
fake_core_lmdb simple_core(dirname, opt_testnet, opt_batch, mdb_flags);
import_from_file(simple_core, import_file_path);
}
else if (db_engine == "memory")
{
fake_core_memory simple_core(dirname, opt_testnet);
import_from_file(simple_core, import_file_path);
}
else
{
std::cerr << "database engine unrecognized" << ENDL;
exit(1);
}
// for multi_db_compile:
#else
if (db_engine != default_db_engine)
{
std::cerr << "Invalid database engine for compiled version: " << db_engine << std::endl;
exit(1);
}
#if BLOCKCHAIN_DB == DB_LMDB
fake_core_lmdb simple_core(dirname, opt_testnet, opt_batch, mdb_flags);
#else
fake_core_memory simple_core(dirname, opt_testnet);
#endif
import_from_file(simple_core, import_file_path);
#endif
}
catch (const DB_ERROR& e)
{
std::cout << std::string("Error loading blockchain db: ") + e.what() + " -- shutting down now" << ENDL;
exit(1);
}
// destructors called at exit:
//
// ensure db closed
// - transactions properly checked and handled
// - disk sync if needed
//
// fake_core object's destructor is called when it goes out of scope. For an
// LMDB fake_core, it calls Blockchain::deinit() on its object, which in turn
// calls delete on its BlockchainDB derived class' object, which closes its
// files.
}

143
src/blockchain_converter/fake_core.h Normal file
View file

@ -0,0 +1,143 @@
// 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/filesystem.hpp>
#include "cryptonote_core/blockchain.h" // BlockchainDB and LMDB
#include "cryptonote_core/blockchain_storage.h" // in-memory DB
using namespace cryptonote;
#if !defined(BLOCKCHAIN_DB) || BLOCKCHAIN_DB == DB_LMDB
struct fake_core_lmdb
{
Blockchain m_storage;
tx_memory_pool m_pool;
bool support_batch;
bool support_add_block;
// for multi_db_runtime:
#if !defined(BLOCKCHAIN_DB)
fake_core_lmdb(const boost::filesystem::path &path, const bool use_testnet=false, const bool do_batch=true, const int mdb_flags=0) : m_pool(&m_storage), m_storage(m_pool)
// for multi_db_compile:
#else
fake_core_lmdb(const boost::filesystem::path &path, const bool use_testnet=false, const bool do_batch=true, const int mdb_flags=0) : m_pool(m_storage), m_storage(m_pool)
#endif
{
m_pool.init(path.string());
m_storage.init(path.string(), use_testnet, mdb_flags);
if (do_batch)
m_storage.get_db()->set_batch_transactions(do_batch);
support_batch = true;
support_add_block = true;
}
~fake_core_lmdb()
{
m_storage.deinit();
}
uint64_t add_block(const block& blk
, const size_t& block_size
, const difficulty_type& cumulative_difficulty
, const uint64_t& coins_generated
, const std::vector<transaction>& txs
)
{
return m_storage.get_db()->add_block(blk, block_size, cumulative_difficulty, coins_generated, txs);
}
void batch_start()
{
m_storage.get_db()->batch_start();
}
void batch_stop()
{
m_storage.get_db()->batch_stop();
}
};
#endif
#if !defined(BLOCKCHAIN_DB) || BLOCKCHAIN_DB == DB_MEMORY
struct fake_core_memory
{
blockchain_storage m_storage;
tx_memory_pool m_pool;
bool support_batch;
bool support_add_block;
// for multi_db_runtime:
#if !defined(BLOCKCHAIN_DB)
fake_core_memory(const boost::filesystem::path &path, const bool use_testnet=false) : m_pool(&m_storage), m_storage(m_pool)
#else
// for multi_db_compile:
fake_core_memory(const boost::filesystem::path &path, const bool use_testnet=false) : m_pool(m_storage), m_storage(&m_pool)
#endif
{
m_pool.init(path.string());
m_storage.init(path.string(), use_testnet);
support_batch = false;
support_add_block = false;
}
~fake_core_memory()
{
LOG_PRINT_L3("fake_core_memory() destructor called - want to see it ripple down");
m_storage.deinit();
}
uint64_t add_block(const block& blk
, const size_t& block_size
, const difficulty_type& cumulative_difficulty
, const uint64_t& coins_generated
, const std::vector<transaction>& txs
)
{
// TODO:
// would need to refactor handle_block_to_main_chain() to have a direct add_block() method like Blockchain class
throw std::runtime_error("direct add_block() method not implemented for in-memory db");
return 2;
}
void batch_start()
{
LOG_PRINT_L0("WARNING: [batch_start] opt_batch set, but this database doesn't support/need transactions - ignoring");
}
void batch_stop()
{
LOG_PRINT_L0("WARNING: [batch_stop] opt_batch set, but this database doesn't support/need transactions - ignoring");
}
};
#endif

37
src/blockchain_converter/import.h Normal file
View file

@ -0,0 +1,37 @@
// 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
// TODO: bounds checking is done before writing to buffer, but buffer size
// should be a sensible maximum
#define BUFFER_SIZE 1000000
#define NUM_BLOCKS_PER_CHUNK 1
#define STR_LENGTH_OF_INT 9
#define STR_FORMAT_OF_INT "%09d"
#define BLOCKCHAIN_RAW "blockchain.raw"

2
src/blockchain_db/blockchain_db.h
View file

@ -326,7 +326,7 @@ public:
void show_stats();
// open the db at location <filename>, or create it if there isn't one.
virtual void open(const std::string& filename) = 0;
virtual void open(const std::string& filename, const int db_flags = 0) = 0;
// make sure implementation has a create function as well
virtual void create(const std::string& filename) = 0;

26
src/blockchain_db/lmdb/db_lmdb.cpp
View file

@ -149,6 +149,20 @@ inline void lmdb_db_open(MDB_txn* txn, const char* name, int flags, MDB_dbi& dbi
namespace cryptonote
{
// If m_batch_active is set, a batch transaction exists beyond this class, such
// as a batch import with verification enabled, or possibly (later) a batch
// network sync.
//
// For some of the lookup methods, such as get_block_timestamp(), tx_exists(),
// and get_tx(), when m_batch_active is set, the lookup uses the batch
// transaction. This isn't only because the transaction is available, but it's
// necessary so that lookups include the database updates only present in the
// current batch write.
//
// A regular network sync without batch writes is expected to open a new read
// transaction, as those lookups are part of the validation done prior to the
// write for block and tx data, so no write transaction is open at the time.
void BlockchainLMDB::add_block( const block& blk
, const size_t& block_size
, const difficulty_type& cumulative_difficulty
@ -621,7 +635,7 @@ BlockchainLMDB::BlockchainLMDB(bool batch_transactions)
m_height = 0;
}
void BlockchainLMDB::open(const std::string& filename)
void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
@ -661,7 +675,7 @@ void BlockchainLMDB::open(const std::string& filename)
size_t mapsize = 1LL << 34;
if (auto result = mdb_env_set_mapsize(m_env, mapsize))
throw0(DB_ERROR(std::string("Failed to set max memory map size: ").append(mdb_strerror(result)).c_str()));
if (auto result = mdb_env_open(m_env, filename.c_str(), 0, 0644))
if (auto result = mdb_env_open(m_env, filename.c_str(), mdb_flags, 0644))
throw0(DB_ERROR(std::string("Failed to open lmdb environment: ").append(mdb_strerror(result)).c_str()));
// get a read/write MDB_txn
@ -1260,14 +1274,6 @@ uint64_t BlockchainLMDB::get_tx_block_height(const crypto::hash& h) const
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
// If m_batch_active is set, a batch transaction exists beyond this class,
// such as a batch import with verification enabled, or possibly (later) a
// batch network sync.
//
// A regular network sync without batching would be expected to open a new
// read transaction here, as validation is done prior to the write for block
// and tx data.
txn_safe txn;
txn_safe* txn_ptr = &txn;
if (m_batch_active)

2
src/blockchain_db/lmdb/db_lmdb.h
View file

@ -114,7 +114,7 @@ public:
BlockchainLMDB(bool batch_transactions=false);
~BlockchainLMDB();
virtual void open(const std::string& filename);
virtual void open(const std::string& filename, const int mdb_flags=0);
virtual void create(const std::string& filename);

4
src/cryptonote_core/blockchain.cpp
View file

@ -226,7 +226,7 @@ uint64_t Blockchain::get_current_blockchain_height() const
//------------------------------------------------------------------
//FIXME: possibly move this into the constructor, to avoid accidentally
// dereferencing a null BlockchainDB pointer
bool Blockchain::init(const std::string& config_folder, bool testnet)
bool Blockchain::init(const std::string& config_folder, const bool testnet, const int db_flags)
{
LOG_PRINT_L3("Blockchain::" << __func__);
CRITICAL_REGION_LOCAL(m_blockchain_lock);
@ -246,7 +246,7 @@ bool Blockchain::init(const std::string& config_folder, bool testnet)
const std::string filename = folder.string();
try
{
m_db->open(filename);
m_db->open(filename, db_flags);
}
catch (const DB_OPEN_FAILURE& e)
{

7
src/cryptonote_core/blockchain.h
View file

@ -81,7 +81,7 @@ namespace cryptonote
Blockchain(tx_memory_pool& tx_pool);
bool init(const std::string& config_folder, bool testnet = false);
bool init(const std::string& config_folder, const bool testnet = false, const int db_flags = 0);
bool deinit();
void set_checkpoints(checkpoints&& chk_pts) { m_checkpoints = chk_pts; }
@ -145,6 +145,11 @@ namespace cryptonote
void set_enforce_dns_checkpoints(bool enforce);
bool update_checkpoints(const std::string& file_path, bool check_dns);
BlockchainDB* get_db()
{
return m_db;
}
private:
typedef std::unordered_map<crypto::hash, size_t> blocks_by_id_index;
typedef std::unordered_map<crypto::hash, transaction_chain_entry> transactions_container;