Merge BlockchainDB into upstream

1 files changed, 299 insertions, 0 deletions

diff --git a/src/blockchain_converter/blockchain_converter.cpp b/src/blockchain_converter/blockchain_converter.cpp
new file mode 100644
index 000000000..c3c6d0918
--- /dev/null
+++ b/src/blockchain_converter/blockchain_converter.cpp
@@ -0,0 +1,299 @@
+// 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 "include_base_utils.h"
+#include "common/util.h"
+#include "warnings.h"
+#include "crypto/crypto.h"
+#include "cryptonote_config.h"
+#include "cryptonote_core/cryptonote_format_utils.h"
+#include "misc_language.h"
+#include "cryptonote_core/blockchain_storage.h"
+#include "blockchain_db/blockchain_db.h"
+#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>
+
+
+unsigned int epee::g_test_dbg_lock_sleep = 0;
+
+namespace
+{
+
+// CONFIG
+bool opt_batch   = true;
+bool opt_resume  = true;
+bool opt_testnet = false;
+
+// number of blocks per batch transaction
+// adjustable through command-line argument according to available RAM
+uint64_t db_batch_size = 20000;
+
+}
+
+namespace po = boost::program_options;
+
+using namespace cryptonote;
+using namespace epee;
+
+struct fake_core
+{
+  Blockchain dummy;
+  tx_memory_pool m_pool;
+
+  blockchain_storage m_storage;
+
+#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(), use_testnet);
+  }
+};
+
+int main(int argc, char* argv[])
+{
+  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};
+  const command_line::arg_descriptor<bool> arg_resume =  {"resume",
+        "Resume from current height if output database already exists", 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)
+    (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;
+
+  int log_level = command_line::get_arg(vm, arg_log_level);
+  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;
+    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("resume:  " << std::boolalpha << opt_resume  << 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();
+
+  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 dest blockchain (BlockchainDB " << blockchain->get_db_name() << ")");
+  blockchain->open(dest_folder.string());
+  LOG_PRINT_L0("Source blockchain height: " << height);
+  LOG_PRINT_L0("Dest blockchain height:   " << blockchain->height());
+
+  if (opt_resume)
+    // next block number to add is same as current height
+    start_block = blockchain->height();
+
+  if (! num_blocks || (start_block + num_blocks > height))
+    end_block = height - 1;
+  else
+    end_block = start_block + num_blocks - 1;
+
+  LOG_PRINT_L0("start height: " << start_block+1 << "  stop height: " <<
+            end_block+1);
+
+  if (start_block > end_block)
+  {
+    LOG_PRINT_L0("Finished: no blocks to add");
+    delete blockchain;
+    return 0;
+  }
+
+  if (opt_batch)
+    blockchain->batch_start();
+  uint64_t i = 0;
+  for (i = start_block; i < end_block + 1; ++i)
+  {
+    // block: i  height: i+1  end height: end_block + 1
+    if ((i+1) % 10 == 0)
+    {
+      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);
+    uint64_t bcoins = c.m_storage.get_block_coins_generated(i);
+    std::vector<transaction> txs;
+    std::vector<crypto::hash> missed;
+
+    c.m_storage.get_transactions(b.tx_hashes, txs, missed);
+    if (missed.size())
+    {
+      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 << ENDL;
+      std::cerr << "Error adding block " << i << " 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;
+
+  delete blockchain;
+  return 0;
+}