mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-08-15 01:03:23 +00:00
Allow setting start block on export
And make import honor the starting block# recorded in a bootstrap file
This commit is contained in:
Howard Chu
parent
bf65b07718
commit
b7dd8349f4
4 changed files with 69 additions and 34 deletions
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@ -47,6 +47,7 @@ int main(int argc, char* argv[])
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epee::string_tools::set_module_name_and_folder(argv[0]);
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uint32_t log_level = 0;
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uint64_t block_start = 0;
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uint64_t block_stop = 0;
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bool blocks_dat = false;
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@ -58,6 +59,7 @@ int main(int argc, char* argv[])
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po::options_description desc_cmd_sett("Command line options and settings options");
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const command_line::arg_descriptor<std::string> arg_output_file = {"output-file", "Specify output file", "", true};
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const command_line::arg_descriptor<std::string> arg_log_level = {"log-level", "0-4 or categories", ""};
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const command_line::arg_descriptor<uint64_t> arg_block_start = {"block-start", "Start at block number", block_start};
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const command_line::arg_descriptor<uint64_t> arg_block_stop = {"block-stop", "Stop at block number", block_stop};
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const command_line::arg_descriptor<bool> arg_blocks_dat = {"blocksdat", "Output in blocks.dat format", blocks_dat};
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@ -67,6 +69,7 @@ int main(int argc, char* argv[])
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command_line::add_arg(desc_cmd_sett, cryptonote::arg_testnet_on);
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command_line::add_arg(desc_cmd_sett, cryptonote::arg_stagenet_on);
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command_line::add_arg(desc_cmd_sett, arg_log_level);
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command_line::add_arg(desc_cmd_sett, arg_block_start);
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command_line::add_arg(desc_cmd_sett, arg_block_stop);
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command_line::add_arg(desc_cmd_sett, arg_blocks_dat);
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@ -97,6 +100,7 @@ int main(int argc, char* argv[])
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mlog_set_log(command_line::get_arg(vm, arg_log_level).c_str());
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else
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mlog_set_log(std::string(std::to_string(log_level) + ",bcutil:INFO").c_str());
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block_start = command_line::get_arg(vm, arg_block_start);
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block_stop = command_line::get_arg(vm, arg_block_stop);
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LOG_PRINT_L0("Starting...");
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@ -178,7 +182,7 @@ int main(int argc, char* argv[])
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else
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{
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BootstrapFile bootstrap;
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r = bootstrap.store_blockchain_raw(core_storage, NULL, output_file_path, block_stop);
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r = bootstrap.store_blockchain_raw(core_storage, NULL, output_file_path, block_start, block_stop);
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}
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CHECK_AND_ASSERT_MES(r, 1, "Failed to export blockchain raw data");
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LOG_PRINT_L0("Blockchain raw data exported OK");
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@ -227,6 +227,7 @@ int import_from_file(cryptonote::core& core, const std::string& import_file_path
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return false;
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}
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uint64_t block_first, block_last;
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uint64_t start_height = 1, seek_height;
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if (opt_resume)
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start_height = core.get_blockchain_storage().get_current_blockchain_height();
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@ -235,10 +236,10 @@ int import_from_file(cryptonote::core& core, const std::string& import_file_path
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BootstrapFile bootstrap;
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std::streampos pos;
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// BootstrapFile bootstrap(import_file_path);
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uint64_t total_source_blocks = bootstrap.count_blocks(import_file_path, pos, seek_height);
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MINFO("bootstrap file last block number: " << total_source_blocks-1 << " (zero-based height) total blocks: " << total_source_blocks);
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uint64_t total_source_blocks = bootstrap.count_blocks(import_file_path, pos, seek_height, block_first);
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MINFO("bootstrap file last block number: " << total_source_blocks+block_first-1 << " (zero-based height) total blocks: " << total_source_blocks);
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if (total_source_blocks-1 <= start_height)
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if (total_source_blocks+block_first-1 <= start_height)
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{
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return false;
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}
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@ -260,7 +261,8 @@ int import_from_file(cryptonote::core& core, const std::string& import_file_path
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// 4 byte magic + (currently) 1024 byte header structures
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uint8_t major_version, minor_version;
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bootstrap.seek_to_first_chunk(import_file, major_version, minor_version);
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uint64_t dummy;
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bootstrap.seek_to_first_chunk(import_file, major_version, minor_version, dummy, dummy);
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std::string str1;
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char buffer1[1024];
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@ -275,7 +277,7 @@ int import_from_file(cryptonote::core& core, const std::string& import_file_path
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if (! block_stop)
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{
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block_stop = total_source_blocks - 1;
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block_stop = total_source_blocks+block_first - 1;
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}
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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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@ -52,7 +52,7 @@ namespace
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bool BootstrapFile::open_writer(const boost::filesystem::path& file_path)
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bool BootstrapFile::open_writer(const boost::filesystem::path& file_path, uint64_t start_block, uint64_t stop_block)
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{
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const boost::filesystem::path dir_path = file_path.parent_path();
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if (!dir_path.empty())
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@ -78,7 +78,7 @@ bool BootstrapFile::open_writer(const boost::filesystem::path& file_path)
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m_raw_data_file = new std::ofstream();
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bool do_initialize_file = false;
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uint64_t num_blocks = 0;
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uint64_t num_blocks = 0, block_first = 0;
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if (! boost::filesystem::exists(file_path))
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{
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@ -88,10 +88,12 @@ bool BootstrapFile::open_writer(const boost::filesystem::path& file_path)
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}
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else
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{
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num_blocks = count_blocks(file_path.string());
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MDEBUG("appending to existing file with height: " << num_blocks-1 << " total blocks: " << num_blocks);
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std::streampos dummy_pos;
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uint64_t dummy_height = 0;
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num_blocks = count_blocks(file_path.string(), dummy_pos, dummy_height, block_first);
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MDEBUG("appending to existing file with height: " << num_blocks+block_first-1 << " total blocks: " << num_blocks);
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}
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m_height = num_blocks;
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m_height = num_blocks+block_first;
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if (do_initialize_file)
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m_raw_data_file->open(file_path.string(), std::ios_base::binary | std::ios_base::out | std::ios::trunc);
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@ -106,13 +108,12 @@ bool BootstrapFile::open_writer(const boost::filesystem::path& file_path)
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return false;
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if (do_initialize_file)
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initialize_file();
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initialize_file(start_block, stop_block);
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return true;
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}
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bool BootstrapFile::initialize_file()
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bool BootstrapFile::initialize_file(uint64_t first_block, uint64_t last_block)
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{
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const uint32_t file_magic = blockchain_raw_magic;
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@ -129,8 +130,8 @@ bool BootstrapFile::initialize_file()
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bfi.header_size = header_size;
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bootstrap::blocks_info bbi;
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bbi.block_first = 0;
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bbi.block_last = 0;
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bbi.block_first = first_block;
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bbi.block_last = last_block;
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bbi.block_last_pos = 0;
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buffer_type buffer2;
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@ -261,7 +262,7 @@ bool BootstrapFile::close()
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}
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bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_file, uint64_t requested_block_stop)
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bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_file, uint64_t start_block, uint64_t requested_block_stop)
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{
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uint64_t num_blocks_written = 0;
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m_max_chunk = 0;
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@ -269,17 +270,11 @@ bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_mem
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m_tx_pool = _tx_pool;
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uint64_t progress_interval = 100;
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MINFO("Storing blocks raw data...");
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if (!BootstrapFile::open_writer(output_file))
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{
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MFATAL("failed to open raw file for write");
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return false;
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}
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block b;
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// block_start, block_stop use 0-based height. m_height uses 1-based height. So to resume export
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// from last exported block, block_start doesn't need to add 1 here, as it's already at the next
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// height.
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uint64_t block_start = m_height;
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uint64_t block_stop = 0;
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MINFO("source blockchain height: " << m_blockchain_storage->get_current_blockchain_height()-1);
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if ((requested_block_stop > 0) && (requested_block_stop < m_blockchain_storage->get_current_blockchain_height()))
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@ -292,6 +287,13 @@ bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_mem
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block_stop = m_blockchain_storage->get_current_blockchain_height() - 1;
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MINFO("Using block height of source blockchain: " << block_stop);
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}
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if (!BootstrapFile::open_writer(output_file, start_block, block_stop))
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{
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MFATAL("failed to open raw file for write");
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return false;
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}
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uint64_t block_start = m_height ? m_height : start_block;
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MINFO("Starting block height: " << block_start);
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for (m_cur_height = block_start; m_cur_height <= block_stop; ++m_cur_height)
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{
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// this method's height refers to 0-based height (genesis block = height 0)
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@ -323,7 +325,8 @@ bool BootstrapFile::store_blockchain_raw(Blockchain* _blockchain_storage, tx_mem
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return BootstrapFile::close();
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}
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uint64_t BootstrapFile::seek_to_first_chunk(std::ifstream& import_file, uint8_t &major_version, uint8_t &minor_version)
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uint64_t BootstrapFile::seek_to_first_chunk(std::ifstream& import_file, uint8_t &major_version, uint8_t &minor_version,
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uint64_t &block_first, uint64_t &block_last)
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{
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uint32_t file_magic;
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@ -368,11 +371,35 @@ uint64_t BootstrapFile::seek_to_first_chunk(std::ifstream& import_file, uint8_t
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MINFO("bootstrap magic size: " << sizeof(file_magic));
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MINFO("bootstrap header size: " << bfi.header_size);
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uint32_t buflen_blocks_info;
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import_file.read(buf1, sizeof(buflen_blocks_info));
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str1.assign(buf1, sizeof(buflen_blocks_info));
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if (! import_file)
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throw std::runtime_error("Error reading expected number of bytes");
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if (! ::serialization::parse_binary(str1, buflen_blocks_info))
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throw std::runtime_error("Error in deserialization of buflen_blocks_info");
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MINFO("bootstrap::blocks_info size: " << buflen_blocks_info);
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if (buflen_blocks_info > sizeof(buf1))
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throw std::runtime_error("Error: bootstrap::blocks_info size exceeds buffer size");
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import_file.read(buf1, buflen_blocks_info);
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if (! import_file)
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throw std::runtime_error("Error reading expected number of bytes");
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str1.assign(buf1, buflen_blocks_info);
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bootstrap::blocks_info bbi;
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if (! ::serialization::parse_binary(str1, bbi))
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throw std::runtime_error("Error in deserialization of bootstrap::blocks_info");
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MINFO("bootstrap first block:" << bbi.block_first);
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MINFO("bootstrap last block:" << bbi.block_last);
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uint64_t full_header_size = sizeof(file_magic) + bfi.header_size;
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import_file.seekg(full_header_size);
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major_version = bfi.major_version;
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minor_version = bfi.minor_version;
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block_first = bbi.block_first;
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block_last = bbi.block_last;
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return full_header_size;
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}
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@ -436,13 +463,14 @@ uint64_t BootstrapFile::count_blocks(const std::string& import_file_path)
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{
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std::streampos dummy_pos;
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uint64_t dummy_height = 0;
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return count_blocks(import_file_path, dummy_pos, dummy_height);
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return count_blocks(import_file_path, dummy_pos, dummy_height, dummy_height);
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}
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// If seek_height is non-zero on entry, return a stream position <= this height when finished.
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// And return the actual height corresponding to this position. Allows the caller to locate its
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// starting position without having to reread the entire file again.
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uint64_t BootstrapFile::count_blocks(const std::string& import_file_path, std::streampos &start_pos, uint64_t& seek_height)
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uint64_t BootstrapFile::count_blocks(const std::string& import_file_path, std::streampos &start_pos,
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uint64_t& seek_height, uint64_t &block_first)
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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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@ -464,7 +492,8 @@ uint64_t BootstrapFile::count_blocks(const std::string& import_file_path, std::s
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uint64_t full_header_size; // 4 byte magic + length of header structures
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uint8_t major_version, minor_version;
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full_header_size = seek_to_first_chunk(import_file, major_version, minor_version);
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uint64_t block_last;
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full_header_size = seek_to_first_chunk(import_file, major_version, minor_version, block_first, block_last);
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MINFO("Scanning blockchain from bootstrap file...");
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bool quit = false;
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@ -473,11 +502,11 @@ uint64_t BootstrapFile::count_blocks(const std::string& import_file_path, std::s
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while (! quit)
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{
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if (start_height && h + progress_interval >= start_height - 1)
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if (start_height && h + block_first + progress_interval >= start_height - 1)
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{
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start_height = 0;
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start_pos = import_file.tellg();
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seek_height = h;
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seek_height = h + block_first;
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}
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bytes_read += count_bytes(import_file, progress_interval, blocks, quit);
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h += blocks;
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@ -57,12 +57,12 @@ class BootstrapFile
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public:
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uint64_t count_bytes(std::ifstream& import_file, uint64_t blocks, uint64_t& h, bool& quit);
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uint64_t count_blocks(const std::string& dir_path, std::streampos& start_pos, uint64_t& seek_height);
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uint64_t count_blocks(const std::string& dir_path, std::streampos& start_pos, uint64_t& seek_height, uint64_t& block_first);
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uint64_t count_blocks(const std::string& dir_path);
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uint64_t seek_to_first_chunk(std::ifstream& import_file, uint8_t &major_version, uint8_t &minor_version);
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uint64_t seek_to_first_chunk(std::ifstream& import_file, uint8_t &major_version, uint8_t &minor_version, uint64_t &block_first, uint64_t &block_last);
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bool store_blockchain_raw(cryptonote::Blockchain* cs, cryptonote::tx_memory_pool* txp,
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boost::filesystem::path& output_file, uint64_t use_block_height=0);
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boost::filesystem::path& output_file, uint64_t start_block=0, uint64_t stop_block=0);
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protected:
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@ -75,8 +75,8 @@ protected:
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boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>* m_output_stream;
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// open export file for write
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bool open_writer(const boost::filesystem::path& file_path);
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bool initialize_file();
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bool open_writer(const boost::filesystem::path& file_path, uint64_t start_block, uint64_t stop_block);
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bool initialize_file(uint64_t start_block, uint64_t stop_block);
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bool close();
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void write_block(block& block);
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void flush_chunk();
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