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// Copyright (c) 2014-2023, 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 "bootstrap_file.h"
#include "blocksdat_file.h"
#include "common/command_line.h"
#include "cryptonote_core/tx_pool.h"
#include "cryptonote_core/cryptonote_core.h"
#include "blockchain_db/blockchain_db.h"
#include "version.h"
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "bcutil"
namespace po = boost::program_options;
using namespace epee;
int main(int argc, char* argv[])
{
TRY_ENTRY();
epee::string_tools::set_module_name_and_folder(argv[0]);
uint32_t log_level = 0;
uint64_t block_start = 0;
uint64_t block_stop = 0;
bool blocks_dat = false;
tools::on_startup();
boost::filesystem::path output_file_path;
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<std::string> arg_output_file = {"output-file", "Specify output file", "", true};
const command_line::arg_descriptor<std::string> arg_log_level = {"log-level", "0-4 or categories", ""};
const command_line::arg_descriptor<uint64_t> arg_block_start = {"block-start", "Start at block number", block_start};
const command_line::arg_descriptor<uint64_t> arg_block_stop = {"block-stop", "Stop at block number", block_stop};
const command_line::arg_descriptor<bool> arg_blocks_dat = {"blocksdat", "Output in blocks.dat format", blocks_dat};
command_line::add_arg(desc_cmd_sett, cryptonote::arg_data_dir);
command_line::add_arg(desc_cmd_sett, arg_output_file);
command_line::add_arg(desc_cmd_sett, cryptonote::arg_testnet_on);
command_line::add_arg(desc_cmd_sett, cryptonote::arg_stagenet_on);
command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_block_start);
command_line::add_arg(desc_cmd_sett, arg_block_stop);
command_line::add_arg(desc_cmd_sett, arg_blocks_dat);
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 << "Monero '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL << ENDL;
std::cout << desc_options << std::endl;
return 1;
}
mlog_configure(mlog_get_default_log_path("monero-blockchain-export.log"), true);
if (!command_line::is_arg_defaulted(vm, arg_log_level))
mlog_set_log(command_line::get_arg(vm, arg_log_level).c_str());
else
mlog_set_log(std::string(std::to_string(log_level) + ",bcutil:INFO").c_str());
block_start = command_line::get_arg(vm, arg_block_start);
block_stop = command_line::get_arg(vm, arg_block_stop);
LOG_PRINT_L0("Starting...");
bool opt_testnet = command_line::get_arg(vm, cryptonote::arg_testnet_on);
bool opt_stagenet = command_line::get_arg(vm, cryptonote::arg_stagenet_on);
if (opt_testnet && opt_stagenet)
{
std::cerr << "Can't specify more than one of --testnet and --stagenet" << std::endl;
return 1;
}
bool opt_blocks_dat = command_line::get_arg(vm, arg_blocks_dat);
std::string m_config_folder;
m_config_folder = command_line::get_arg(vm, cryptonote::arg_data_dir);
if (command_line::has_arg(vm, arg_output_file))
output_file_path = boost::filesystem::path(command_line::get_arg(vm, arg_output_file));
else
output_file_path = boost::filesystem::path(m_config_folder) / "export" / BLOCKCHAIN_RAW;
LOG_PRINT_L0("Export output file: " << output_file_path.string());
// If we wanted to use the memory pool, we would set up a fake_core.
// 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);
BlockchainDB* db = new_db();
if (db == NULL)
{
LOG_ERROR("Failed to initialize a database");
throw std::runtime_error("Failed to initialize a database");
}
LOG_PRINT_L0("database: LMDB");
boost::filesystem::path folder(m_config_folder);
folder /= db->get_db_name();
const std::string filename = folder.string();
LOG_PRINT_L0("Loading blockchain from folder " << filename << " ...");
try
{
db->open(filename, DBF_RDONLY);
}
catch (const std::exception& e)
{
LOG_PRINT_L0("Error opening database: " << e.what());
return 1;
}
r = core_storage->init(db, opt_testnet ? cryptonote::TESTNET : opt_stagenet ? cryptonote::STAGENET : cryptonote::MAINNET);
if (core_storage->get_blockchain_pruning_seed() && !opt_blocks_dat)
{
LOG_PRINT_L0("Blockchain is pruned, cannot export");
return 1;
}
CHECK_AND_ASSERT_MES(r, 1, "Failed to initialize source blockchain storage");
LOG_PRINT_L0("Source blockchain storage initialized OK");
LOG_PRINT_L0("Exporting blockchain raw data...");
if (opt_blocks_dat)
{
BlocksdatFile blocksdat;
r = blocksdat.store_blockchain_raw(core_storage, NULL, output_file_path, block_stop);
}
else
{
BootstrapFile bootstrap;
r = bootstrap.store_blockchain_raw(core_storage, NULL, output_file_path, block_start, block_stop);
}
CHECK_AND_ASSERT_MES(r, 1, "Failed to export blockchain raw data");
LOG_PRINT_L0("Blockchain raw data exported OK");
return 0;
CATCH_ENTRY("Export error", 1);
}
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