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Add blockchain_import utility
This imports to the blockchain database from an exported blockchain file. It can be used to bootstrap a new database or to add blocks to an existing one. Supports: - both the in-memory and LMDB implementations - optional: batching, verification, testnet See help for usage. Based on work by tomerkon. See https://github.com/tomerkon src/cryptonote_core/bootfileloader.{h,cpp}
This commit is contained in:
warptangent
parent
ca75b4789c
commit
260cc56fae
@ -35,6 +35,18 @@ set(blockchain_converter_private_headers)
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bitmonero_private_headers(blockchain_converter
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${blockchain_converter_private_headers})
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set(blockchain_import_sources
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blockchain_import.cpp
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)
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set(blockchain_import_private_headers
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import.h
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fake_core.h
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)
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bitmonero_private_headers(blockchain_import
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${blockchain_import_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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${blockchain_converter_sources}
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@ -52,3 +64,18 @@ set_property(TARGET blockchain_converter
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PROPERTY
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OUTPUT_NAME "blockchain_converter")
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endif ()
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bitmonero_add_executable(blockchain_import
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${blockchain_import_sources}
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${blockchain_import_private_headers})
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target_link_libraries(blockchain_import
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LINK_PRIVATE
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cryptonote_core
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${CMAKE_THREAD_LIBS_INIT})
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add_dependencies(blockchain_import
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version)
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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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687
src/blockchain_converter/blockchain_import.cpp
Normal file
687
src/blockchain_converter/blockchain_import.cpp
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@ -0,0 +1,687 @@
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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 <atomic>
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#include <cstdio>
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#include <algorithm>
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#include <fstream>
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#include <boost/filesystem.hpp>
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#include <boost/iostreams/stream.hpp>
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#include <boost/archive/binary_iarchive.hpp>
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#include "cryptonote_core/cryptonote_basic.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "cryptonote_core/cryptonote_boost_serialization.h"
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#include "serialization/json_utils.h" // dump_json()
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#include "include_base_utils.h"
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#include "common/command_line.h"
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#include "version.h"
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#include "import.h"
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#include "fake_core.h"
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// CONFIG
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static bool opt_batch = true;
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static bool opt_verify = true; // use add_new_block, which does verification before calling add_block
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static bool opt_resume = true;
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static bool opt_testnet = true;
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// number of blocks per batch transaction
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// adjustable through command-line argument according to available RAM
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static uint64_t db_batch_size = 20000;
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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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int count_blocks(std::string& import_file_path)
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{
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boost::filesystem::path raw_file_path(import_file_path);
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boost::system::error_code ec;
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if (!boost::filesystem::exists(raw_file_path, ec))
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{
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LOG_PRINT_L0("import file not found: " << raw_file_path);
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throw std::runtime_error("Aborting");
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}
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std::ifstream import_file;
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import_file.open(import_file_path, std::ios_base::binary | std::ifstream::in);
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uint64_t h = 0;
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if (import_file.fail())
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{
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LOG_PRINT_L0("import_file.open() fail");
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throw std::runtime_error("Aborting");
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}
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LOG_PRINT_L0("Scanning blockchain from import file...");
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char buffer1[STR_LENGTH_OF_INT + 1];
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block b;
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transaction tx;
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bool quit = false;
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uint64_t bytes_read = 0;
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int progress_interval = 10;
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while (! quit)
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{
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int chunk_size;
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import_file.read(buffer1, STR_LENGTH_OF_INT);
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if (!import_file) {
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std::cout << "\r \r";
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LOG_PRINT_L1("End of import file reached");
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quit = true;
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break;
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}
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h += NUM_BLOCKS_PER_CHUNK;
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if (h % progress_interval == 0)
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{
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std::cout << "\r \r" << "block height: " << h <<
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std::flush;
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}
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bytes_read += STR_LENGTH_OF_INT;
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buffer1[STR_LENGTH_OF_INT] = '\0';
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chunk_size = atoi(buffer1);
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if (chunk_size > BUFFER_SIZE)
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{
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std::cout << "\r \r";
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LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > BUFFER_SIZE " << BUFFER_SIZE
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<< " height: " << h);
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throw std::runtime_error("Aborting: chunk size exceeds buffer size");
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}
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if (chunk_size > 100000)
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{
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std::cout << "\r \r";
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LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > 100000" << " height: "
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<< h);
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}
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else if (chunk_size <= 0) {
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std::cout << "\r \r";
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LOG_PRINT_L0("ERROR: chunk_size " << chunk_size << " <= 0" << " height: " << h);
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throw std::runtime_error("Aborting");
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}
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// skip to next expected block size value
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import_file.seekg(chunk_size, std::ios_base::cur);
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if (! import_file) {
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std::cout << "\r \r";
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LOG_PRINT_L0("ERROR: unexpected end of import file: bytes read before error: "
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<< import_file.gcount() << " of chunk_size " << chunk_size);
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throw std::runtime_error("Aborting");
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}
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bytes_read += chunk_size;
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std::cout << "\r \r";
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LOG_PRINT_L3("Total bytes scanned: " << bytes_read);
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}
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import_file.close();
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std::cout << ENDL;
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std::cout << "Done scanning import file" << ENDL;
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std::cout << "Total bytes scanned: " << bytes_read << ENDL;
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std::cout << "Height: " << h << ENDL;
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return h;
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}
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template <typename FakeCore>
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int import_from_file(FakeCore& simple_core, std::string& import_file_path)
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{
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#if !defined(BLOCKCHAIN_DB)
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static_assert(std::is_same<fake_core_memory, FakeCore>::value || std::is_same<fake_core_lmdb, FakeCore>::value,
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"FakeCore constraint error");
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#endif
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#if !defined(BLOCKCHAIN_DB) || (BLOCKCHAIN_DB == DB_LMDB)
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if (std::is_same<fake_core_lmdb, FakeCore>::value)
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{
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// Reset stats, in case we're using newly created db, accumulating stats
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// from addition of genesis block.
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// This aligns internal db counts with importer counts.
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simple_core.m_storage.get_db()->reset_stats();
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}
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#endif
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boost::filesystem::path raw_file_path(import_file_path);
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boost::system::error_code ec;
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if (!boost::filesystem::exists(raw_file_path, ec))
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{
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LOG_PRINT_L0("import file not found: " << raw_file_path);
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return false;
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}
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uint64_t source_height = count_blocks(import_file_path);
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LOG_PRINT_L0("import file blockchain height: " << source_height);
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std::ifstream import_file;
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import_file.open(import_file_path, std::ios_base::binary | std::ifstream::in);
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uint64_t h = 0;
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if (import_file.fail())
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{
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LOG_PRINT_L0("import_file.open() fail");
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return false;
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}
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char buffer1[STR_LENGTH_OF_INT + 1];
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char buffer_block[BUFFER_SIZE];
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block b;
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transaction tx;
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int quit = 0;
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uint64_t bytes_read = 0;
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uint64_t start_height = 1;
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if (opt_resume)
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start_height = simple_core.m_storage.get_current_blockchain_height();
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// Note that a new blockchain will start with a height of 1 (block number 0)
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// due to genesis block being added at initialization.
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// CONFIG
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// TODO: can expand on this, e.g. with --block-number option
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uint64_t stop_height = source_height;
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// These are what we'll try to use, and they don't have to be a determination
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// from source and destination blockchains, but those are the current
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// defaults.
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LOG_PRINT_L0("start height: " << start_height << " stop height: " <<
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stop_height);
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bool use_batch = false;
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if (opt_batch)
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{
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if (simple_core.support_batch)
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use_batch = true;
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else
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LOG_PRINT_L0("WARNING: batch transactions enabled but unsupported or unnecessary for this database engine - ignoring");
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}
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if (use_batch)
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simple_core.batch_start();
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LOG_PRINT_L0("Reading blockchain from import file...");
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std::cout << ENDL;
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// Within the loop, we skip to start_height before we start adding.
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// TODO: Not a bottleneck, but we can use what's done in count_blocks() and
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// only do the chunk size reads, skipping the chunk content reads until we're
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// at start_height.
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while (! quit)
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{
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int chunk_size;
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import_file.read(buffer1, STR_LENGTH_OF_INT);
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if (! import_file) {
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std::cout << "\r \r";
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LOG_PRINT_L0("End of import file reached");
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quit = 1;
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break;
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}
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bytes_read += STR_LENGTH_OF_INT;
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buffer1[STR_LENGTH_OF_INT] = '\0';
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chunk_size = atoi(buffer1);
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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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throw std::runtime_error("Aborting: chunk size exceeds buffer size");
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}
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if (chunk_size > 100000)
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{
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LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > 100000");
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}
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else if (chunk_size < 0) {
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LOG_PRINT_L0("ERROR: chunk_size " << chunk_size << " < 0");
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return 2;
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}
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import_file.read(buffer_block, chunk_size);
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if (! import_file) {
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LOG_PRINT_L0("ERROR: unexpected end of import file: bytes read before error: "
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<< import_file.gcount() << " of chunk_size " << chunk_size);
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return 2;
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}
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bytes_read += chunk_size;
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LOG_PRINT_L3("Total bytes read: " << bytes_read);
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if (h + NUM_BLOCKS_PER_CHUNK < start_height + 1)
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{
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h += NUM_BLOCKS_PER_CHUNK;
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continue;
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}
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if (h > stop_height)
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{
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LOG_PRINT_L0("Specified height reached - stopping. height: " << h << " block: " << h-1);
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quit = 1;
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break;
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}
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try
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{
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boost::iostreams::basic_array_source<char> device(buffer_block, chunk_size);
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boost::iostreams::stream<boost::iostreams::basic_array_source<char>> s(device);
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boost::archive::binary_iarchive a(s);
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int display_interval = 1000;
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int progress_interval = 10;
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for (int chunk_ind = 0; chunk_ind < NUM_BLOCKS_PER_CHUNK; chunk_ind++)
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{
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h++;
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if (h % display_interval == 0)
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{
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std::cout << "\r \r";
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LOG_PRINT_L0("loading block height " << h);
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}
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else
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{
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LOG_PRINT_L3("loading block height " << h);
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}
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try {
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a >> b;
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}
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catch (const std::exception& e)
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{
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std::cout << "\r \r";
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LOG_PRINT_RED_L0("exception while de-archiving block, height=" << h);
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quit = 1;
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break;
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}
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LOG_PRINT_L2("block prev_id: " << b.prev_id << ENDL);
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if (h % progress_interval == 0)
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{
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std::cout << "\r \r" << "block " << h-1
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<< std::flush;
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}
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std::vector<transaction> txs;
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int num_txs;
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try
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{
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a >> num_txs;
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}
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catch (const std::exception& e)
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{
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std::cout << "\r \r";
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LOG_PRINT_RED_L0("exception while de-archiving tx-num, height=" << h);
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quit = 1;
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break;
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}
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for(int tx_num = 1; tx_num <= num_txs; tx_num++)
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{
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try {
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a >> tx;
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}
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catch (const std::exception& e)
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{
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LOG_PRINT_RED_L0("exception while de-archiving tx, height=" << h <<", tx_num=" << tx_num);
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quit = 1;
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break;
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}
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// if (tx_num == 1) {
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// std::cout << "coinbase transaction" << ENDL;
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// }
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// crypto::hash hsh = null_hash;
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// size_t blob_size = 0;
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// NOTE: all tx hashes except for coinbase tx are available in the block data
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// get_transaction_hash(tx, hsh, blob_size);
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// LOG_PRINT_L0("tx " << tx_num << " " << hsh << " : " << ENDL);
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// LOG_PRINT_L0(obj_to_json_str(tx) << ENDL);
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// add blocks with verification.
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// for Blockchain and blockchain_storage add_new_block().
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if (opt_verify)
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{
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if (tx_num == 1) {
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continue; // coinbase transaction. no need to insert to tx_pool.
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}
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// crypto::hash hsh = null_hash;
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// size_t blob_size = 0;
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// get_transaction_hash(tx, hsh, blob_size);
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tx_verification_context tvc = AUTO_VAL_INIT(tvc);
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bool r = true;
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r = simple_core.m_pool.add_tx(tx, tvc, true);
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if (!r)
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{
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LOG_PRINT_RED_L0("failed to add transaction to transaction pool, height=" << h <<", tx_num=" << tx_num);
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quit = 1;
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break;
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}
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}
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else
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{
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// for add_block() method, without (much) processing.
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// don't add coinbase transaction to txs.
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//
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// because add_block() calls
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// add_transaction(blk_hash, blk.miner_tx) first, and
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// then a for loop for the transactions in txs.
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if (tx_num > 1)
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{
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txs.push_back(tx);
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}
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}
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}
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if (opt_verify)
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{
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block_verification_context bvc = boost::value_initialized<block_verification_context>();
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simple_core.m_storage.add_new_block(b, bvc);
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if (bvc.m_verifivation_failed)
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{
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LOG_PRINT_L0("Failed to add block to blockchain, verification failed, height = " << h);
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LOG_PRINT_L0("skipping rest of import file");
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// ok to commit previously batched data because it failed only in
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// verification of potential new block with nothing added to batch
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// yet
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quit = 1;
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break;
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}
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if (! bvc.m_added_to_main_chain)
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{
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LOG_PRINT_L0("Failed to add block to blockchain, height = " << h);
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LOG_PRINT_L0("skipping rest of import file");
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// make sure we don't commit partial block data
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quit = 2;
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break;
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}
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}
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else
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{
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size_t block_size;
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difficulty_type cumulative_difficulty;
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uint64_t coins_generated;
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a >> block_size;
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a >> cumulative_difficulty;
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a >> coins_generated;
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std::cout << "\r \r";
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LOG_PRINT_L2("block_size: " << block_size);
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LOG_PRINT_L2("cumulative_difficulty: " << cumulative_difficulty);
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LOG_PRINT_L2("coins_generated: " << coins_generated);
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try
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||||
{
|
||||
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_engine;
|
||||
|
||||
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_engine = 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);
|
||||
}
|
||||
|
||||
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);
|
||||
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);
|
||||
#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
143
src/blockchain_converter/fake_core.h
Normal 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) : 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) : m_pool(m_storage), m_storage(m_pool)
|
||||
#endif
|
||||
{
|
||||
m_pool.init(path.string());
|
||||
m_storage.init(path.string(), use_testnet);
|
||||
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
37
src/blockchain_converter/import.h
Normal 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"
|
||||
Loading…
Reference in New Issue
Block a user