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blockchain_converter: Add support for batch transactions
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Add log level support.

Add testnet support.

Add command-line options:
  --help
  --data-dir
  --testnet-data-dir
  --testnet
  --log-level
  --batch
  --batch-size
  --block-number

See help for usage. Run at log level 1 to see profiling stats.
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@warptangent
warptangent committed Mar 15, 2015
1 parent acb5d29 commit a3dd9d1
Showing 1 changed file with 173 additions and 23 deletions.
196 changes: 173 additions & 23 deletions src/blockchain_converter/blockchain_converter.cpp
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Expand Up @@ -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;
}

BlockchainDB *blockchain;
log_space::get_set_log_detalisation_level(true, log_level);
log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
LOG_PRINT_L0("Starting...");

blockchain = new BlockchainLMDB();
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);

boost::filesystem::path db_path(default_data_path);
num_blocks = command_line::get_arg(vm, arg_block_number);

db_path /= blockchain->get_db_name();
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);

blockchain->open(db_path.string());
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());

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);
Expand All @@ -94,26 +221,49 @@ 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;
}

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;
}

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