2015-05-08 20:46:26 +00:00
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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 "bootstrap_serialization.h"
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#include "serialization/binary_utils.h" // dump_binary(), parse_binary()
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#include "serialization/json_utils.h" // dump_json()
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#include "bootstrap_file.h"
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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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namespace
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{
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// This number was picked by taking the leading 4 bytes from this output:
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// echo Monero bootstrap file | sha1sum
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const uint32_t blockchain_raw_magic = 0x28721586;
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const uint32_t header_size = 1024;
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std::string refresh_string = "\r \r";
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}
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2015-08-14 19:45:12 +00:00
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bool BootstrapFile::open_writer(const boost::filesystem::path& file_path)
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2015-05-08 20:46:26 +00:00
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{
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2015-08-14 19:45:12 +00:00
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const boost::filesystem::path dir_path = file_path.parent_path();
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2015-05-08 20:46:26 +00:00
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if (boost::filesystem::exists(dir_path))
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{
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if (!boost::filesystem::is_directory(dir_path))
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{
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LOG_PRINT_RED_L0("export directory path is a file: " << dir_path);
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return false;
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}
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}
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else
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{
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if (!boost::filesystem::create_directory(dir_path))
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{
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LOG_PRINT_RED_L0("Failed to create directory " << dir_path);
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return false;
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}
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}
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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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if (! boost::filesystem::exists(file_path))
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{
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LOG_PRINT_L0("creating file");
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do_initialize_file = true;
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num_blocks = 0;
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}
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else
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{
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2015-08-14 19:45:12 +00:00
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num_blocks = count_blocks(file_path.string());
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2015-05-08 20:46:26 +00:00
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LOG_PRINT_L0("appending to existing file with height: " << num_blocks-1 << " total blocks: " << num_blocks);
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}
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m_height = num_blocks;
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if (do_initialize_file)
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2015-08-14 19:45:12 +00:00
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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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else
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2015-08-14 19:45:12 +00:00
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m_raw_data_file->open(file_path.string(), std::ios_base::binary | std::ios_base::out | std::ios::app | std::ios::ate);
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2015-05-08 20:46:26 +00:00
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if (m_raw_data_file->fail())
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return false;
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m_output_stream = new boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>(m_buffer);
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if (m_output_stream == nullptr)
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return false;
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if (do_initialize_file)
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initialize_file();
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return true;
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}
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bool BootstrapFile::initialize_file()
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{
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const uint32_t file_magic = blockchain_raw_magic;
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std::string blob;
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if (! ::serialization::dump_binary(file_magic, blob))
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{
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throw std::runtime_error("Error in serialization of file magic");
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}
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*m_raw_data_file << blob;
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bootstrap::file_info bfi;
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bfi.major_version = 0;
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bfi.minor_version = 1;
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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_last_pos = 0;
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buffer_type buffer2;
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boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>* output_stream_header;
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output_stream_header = new boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>(buffer2);
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uint32_t bd_size = 0;
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blobdata bd = t_serializable_object_to_blob(bfi);
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LOG_PRINT_L1("bootstrap::file_info size: " << bd.size());
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bd_size = bd.size();
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if (! ::serialization::dump_binary(bd_size, blob))
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{
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throw std::runtime_error("Error in serialization of bootstrap::file_info size");
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}
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*output_stream_header << blob;
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*output_stream_header << bd;
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bd = t_serializable_object_to_blob(bbi);
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LOG_PRINT_L1("bootstrap::blocks_info size: " << bd.size());
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bd_size = bd.size();
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if (! ::serialization::dump_binary(bd_size, blob))
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{
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throw std::runtime_error("Error in serialization of bootstrap::blocks_info size");
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}
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*output_stream_header << blob;
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*output_stream_header << bd;
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output_stream_header->flush();
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*output_stream_header << std::string(header_size-buffer2.size(), 0); // fill in rest with null bytes
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output_stream_header->flush();
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std::copy(buffer2.begin(), buffer2.end(), std::ostreambuf_iterator<char>(*m_raw_data_file));
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return true;
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}
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void BootstrapFile::flush_chunk()
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{
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m_output_stream->flush();
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uint32_t chunk_size = m_buffer.size();
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// LOG_PRINT_L0("chunk_size " << chunk_size);
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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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}
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std::string blob;
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if (! ::serialization::dump_binary(chunk_size, blob))
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{
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throw std::runtime_error("Error in serialization of chunk size");
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}
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*m_raw_data_file << blob;
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if (m_max_chunk < chunk_size)
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{
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m_max_chunk = chunk_size;
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}
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long pos_before = m_raw_data_file->tellp();
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std::copy(m_buffer.begin(), m_buffer.end(), std::ostreambuf_iterator<char>(*m_raw_data_file));
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m_raw_data_file->flush();
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long pos_after = m_raw_data_file->tellp();
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long num_chars_written = pos_after - pos_before;
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if (static_cast<unsigned long>(num_chars_written) != chunk_size)
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{
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LOG_PRINT_RED_L0("Error writing chunk: height: " << m_cur_height << " chunk_size: " << chunk_size << " num chars written: " << num_chars_written);
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throw std::runtime_error("Error writing chunk");
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}
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m_buffer.clear();
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delete m_output_stream;
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m_output_stream = new boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>(m_buffer);
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LOG_PRINT_L1("flushed chunk: chunk_size: " << chunk_size);
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}
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void BootstrapFile::write_block(block& block)
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{
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bootstrap::block_package bp;
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bp.block = block;
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std::vector<transaction> txs;
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uint64_t block_height = boost::get<txin_gen>(block.miner_tx.vin.front()).height;
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// now add all regular transactions
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for (const auto& tx_id : block.tx_hashes)
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{
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if (tx_id == null_hash)
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{
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throw std::runtime_error("Aborting: tx == null_hash");
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}
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#if SOURCE_DB == DB_MEMORY
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const transaction* tx = m_blockchain_storage->get_tx(tx_id);
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#else
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transaction tx = m_blockchain_storage->get_db().get_tx(tx_id);
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#endif
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#if SOURCE_DB == DB_MEMORY
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if(tx == NULL)
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{
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if (! m_tx_pool)
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throw std::runtime_error("Aborting: tx == NULL, so memory pool required to get tx, but memory pool isn't enabled");
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else
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{
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transaction tx;
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if(m_tx_pool->get_transaction(tx_id, tx))
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txs.push_back(tx);
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else
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throw std::runtime_error("Aborting: tx not found in pool");
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}
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}
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else
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txs.push_back(*tx);
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#else
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txs.push_back(tx);
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#endif
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}
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// these non-coinbase txs will be serialized using this structure
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bp.txs = txs;
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// These three attributes are currently necessary for a fast import that adds blocks without verification.
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bool include_extra_block_data = true;
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if (include_extra_block_data)
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{
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#if SOURCE_DB == DB_MEMORY
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size_t block_size = m_blockchain_storage->get_block_size(block_height);
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difficulty_type cumulative_difficulty = m_blockchain_storage->get_block_cumulative_difficulty(block_height);
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uint64_t coins_generated = m_blockchain_storage->get_block_coins_generated(block_height);
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#else
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size_t block_size = m_blockchain_storage->get_db().get_block_size(block_height);
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difficulty_type cumulative_difficulty = m_blockchain_storage->get_db().get_block_cumulative_difficulty(block_height);
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uint64_t coins_generated = m_blockchain_storage->get_db().get_block_already_generated_coins(block_height);
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#endif
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bp.block_size = block_size;
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bp.cumulative_difficulty = cumulative_difficulty;
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bp.coins_generated = coins_generated;
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}
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blobdata bd = t_serializable_object_to_blob(bp);
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m_output_stream->write((const char*)bd.data(), bd.size());
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}
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bool BootstrapFile::close()
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{
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if (m_raw_data_file->fail())
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return false;
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m_raw_data_file->flush();
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delete m_output_stream;
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delete m_raw_data_file;
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return true;
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}
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#if SOURCE_DB == DB_MEMORY
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2015-08-14 19:45:12 +00:00
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bool BootstrapFile::store_blockchain_raw(blockchain_storage* _blockchain_storage, tx_memory_pool* _tx_pool, boost::filesystem::path& output_file, uint64_t requested_block_stop)
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2015-05-08 20:46:26 +00:00
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#else
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2015-08-14 19:45:12 +00:00
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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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#endif
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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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m_blockchain_storage = _blockchain_storage;
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m_tx_pool = _tx_pool;
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uint64_t progress_interval = 100;
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LOG_PRINT_L0("Storing blocks raw data...");
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2015-08-14 19:45:12 +00:00
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if (!BootstrapFile::open_writer(output_file))
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2015-05-08 20:46:26 +00:00
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{
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LOG_PRINT_RED_L0("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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2015-05-16 00:14:36 +00:00
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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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2015-05-08 20:46:26 +00:00
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LOG_PRINT_L0("source blockchain height: " << m_blockchain_storage->get_current_blockchain_height()-1);
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2015-05-16 00:14:36 +00:00
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if ((requested_block_stop > 0) && (requested_block_stop < m_blockchain_storage->get_current_blockchain_height()))
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2015-05-08 20:46:26 +00:00
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{
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2015-05-16 00:14:36 +00:00
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LOG_PRINT_L0("Using requested block height: " << requested_block_stop);
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block_stop = requested_block_stop;
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2015-05-08 20:46:26 +00:00
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}
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else
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{
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2015-05-16 00:14:36 +00:00
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block_stop = m_blockchain_storage->get_current_blockchain_height() - 1;
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LOG_PRINT_L0("Using block height of source blockchain: " << block_stop);
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2015-05-08 20:46:26 +00:00
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}
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2015-05-16 00:14:36 +00:00
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for (m_cur_height = block_start; m_cur_height <= block_stop; ++m_cur_height)
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2015-05-08 20:46:26 +00:00
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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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crypto::hash hash = m_blockchain_storage->get_block_id_by_height(m_cur_height);
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m_blockchain_storage->get_block_by_hash(hash, b);
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write_block(b);
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if (m_cur_height % NUM_BLOCKS_PER_CHUNK == 0) {
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flush_chunk();
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num_blocks_written += NUM_BLOCKS_PER_CHUNK;
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}
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if (m_cur_height % progress_interval == 0) {
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std::cout << refresh_string;
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2015-05-16 00:14:36 +00:00
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std::cout << "block " << m_cur_height << "/" << block_stop << std::flush;
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2015-05-08 20:46:26 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
// NOTE: use of NUM_BLOCKS_PER_CHUNK is a placeholder in case multi-block chunks are later supported.
|
|
|
|
if (m_cur_height % NUM_BLOCKS_PER_CHUNK != 0)
|
|
|
|
{
|
|
|
|
flush_chunk();
|
|
|
|
}
|
|
|
|
// print message for last block, which may not have been printed yet due to progress_interval
|
|
|
|
std::cout << refresh_string;
|
2015-05-16 00:14:36 +00:00
|
|
|
std::cout << "block " << m_cur_height-1 << "/" << block_stop << ENDL;
|
2015-05-08 20:46:26 +00:00
|
|
|
|
|
|
|
LOG_PRINT_L0("Number of blocks exported: " << num_blocks_written);
|
|
|
|
if (num_blocks_written > 0)
|
|
|
|
LOG_PRINT_L0("Largest chunk: " << m_max_chunk << " bytes");
|
|
|
|
|
|
|
|
return BootstrapFile::close();
|
|
|
|
}
|
|
|
|
|
|
|
|
uint64_t BootstrapFile::seek_to_first_chunk(std::ifstream& import_file)
|
|
|
|
{
|
|
|
|
uint32_t file_magic;
|
|
|
|
|
|
|
|
std::string str1;
|
|
|
|
char buf1[2048];
|
|
|
|
import_file.read(buf1, sizeof(file_magic));
|
|
|
|
if (! import_file)
|
|
|
|
throw std::runtime_error("Error reading expected number of bytes");
|
|
|
|
str1.assign(buf1, sizeof(file_magic));
|
|
|
|
|
|
|
|
if (! ::serialization::parse_binary(str1, file_magic))
|
|
|
|
throw std::runtime_error("Error in deserialization of file_magic");
|
|
|
|
|
|
|
|
if (file_magic != blockchain_raw_magic)
|
|
|
|
{
|
|
|
|
LOG_PRINT_RED_L0("bootstrap file not recognized");
|
|
|
|
throw std::runtime_error("Aborting");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
LOG_PRINT_L0("bootstrap file recognized");
|
|
|
|
|
|
|
|
uint32_t buflen_file_info;
|
|
|
|
|
|
|
|
import_file.read(buf1, sizeof(buflen_file_info));
|
|
|
|
str1.assign(buf1, sizeof(buflen_file_info));
|
|
|
|
if (! import_file)
|
|
|
|
throw std::runtime_error("Error reading expected number of bytes");
|
|
|
|
if (! ::serialization::parse_binary(str1, buflen_file_info))
|
|
|
|
throw std::runtime_error("Error in deserialization of buflen_file_info");
|
|
|
|
LOG_PRINT_L1("bootstrap::file_info size: " << buflen_file_info);
|
|
|
|
|
|
|
|
if (buflen_file_info > sizeof(buf1))
|
|
|
|
throw std::runtime_error("Error: bootstrap::file_info size exceeds buffer size");
|
|
|
|
import_file.read(buf1, buflen_file_info);
|
|
|
|
if (! import_file)
|
|
|
|
throw std::runtime_error("Error reading expected number of bytes");
|
|
|
|
str1.assign(buf1, buflen_file_info);
|
|
|
|
bootstrap::file_info bfi;
|
|
|
|
if (! ::serialization::parse_binary(str1, bfi))
|
|
|
|
throw std::runtime_error("Error in deserialization of bootstrap::file_info");
|
|
|
|
LOG_PRINT_L0("bootstrap file v" << unsigned(bfi.major_version) << "." << unsigned(bfi.minor_version));
|
|
|
|
LOG_PRINT_L0("bootstrap magic size: " << sizeof(file_magic));
|
|
|
|
LOG_PRINT_L0("bootstrap header size: " << bfi.header_size)
|
|
|
|
|
|
|
|
uint64_t full_header_size = sizeof(file_magic) + bfi.header_size;
|
|
|
|
import_file.seekg(full_header_size);
|
|
|
|
|
|
|
|
return full_header_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint64_t BootstrapFile::count_blocks(const std::string& import_file_path)
|
|
|
|
{
|
|
|
|
boost::filesystem::path raw_file_path(import_file_path);
|
|
|
|
boost::system::error_code ec;
|
|
|
|
if (!boost::filesystem::exists(raw_file_path, ec))
|
|
|
|
{
|
|
|
|
LOG_PRINT_L0("bootstrap file not found: " << raw_file_path);
|
|
|
|
throw std::runtime_error("Aborting");
|
|
|
|
}
|
|
|
|
std::ifstream import_file;
|
|
|
|
import_file.open(import_file_path, std::ios_base::binary | std::ifstream::in);
|
|
|
|
|
|
|
|
uint64_t h = 0;
|
|
|
|
if (import_file.fail())
|
|
|
|
{
|
|
|
|
LOG_PRINT_L0("import_file.open() fail");
|
|
|
|
throw std::runtime_error("Aborting");
|
|
|
|
}
|
|
|
|
|
|
|
|
uint64_t full_header_size; // 4 byte magic + length of header structures
|
|
|
|
full_header_size = seek_to_first_chunk(import_file);
|
|
|
|
|
|
|
|
LOG_PRINT_L0("Scanning blockchain from bootstrap file...");
|
|
|
|
block b;
|
|
|
|
bool quit = false;
|
|
|
|
uint64_t bytes_read = 0;
|
|
|
|
int progress_interval = 10;
|
|
|
|
|
|
|
|
std::string str1;
|
|
|
|
char buf1[2048];
|
|
|
|
while (! quit)
|
|
|
|
{
|
|
|
|
uint32_t chunk_size;
|
|
|
|
import_file.read(buf1, sizeof(chunk_size));
|
|
|
|
if (!import_file) {
|
|
|
|
std::cout << refresh_string;
|
|
|
|
LOG_PRINT_L1("End of file reached");
|
|
|
|
quit = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
h += NUM_BLOCKS_PER_CHUNK;
|
|
|
|
if ((h-1) % progress_interval == 0)
|
|
|
|
{
|
|
|
|
std::cout << "\r" << "block height: " << h-1 <<
|
|
|
|
" " <<
|
|
|
|
std::flush;
|
|
|
|
}
|
|
|
|
bytes_read += sizeof(chunk_size);
|
|
|
|
|
|
|
|
str1.assign(buf1, sizeof(chunk_size));
|
|
|
|
if (! ::serialization::parse_binary(str1, chunk_size))
|
|
|
|
throw std::runtime_error("Error in deserialization of chunk_size");
|
2015-07-11 19:38:20 +00:00
|
|
|
LOG_PRINT_L3("chunk_size: " << chunk_size);
|
2015-05-08 20:46:26 +00:00
|
|
|
|
|
|
|
if (chunk_size > BUFFER_SIZE)
|
|
|
|
{
|
|
|
|
std::cout << refresh_string;
|
|
|
|
LOG_PRINT_L0("WARNING: chunk_size " << chunk_size << " > BUFFER_SIZE " << BUFFER_SIZE
|
|
|
|
<< " height: " << h-1);
|
|
|
|
throw std::runtime_error("Aborting: chunk size exceeds buffer size");
|
|
|
|
}
|
|
|
|
if (chunk_size > 100000)
|
|
|
|
{
|
|
|
|
std::cout << refresh_string;
|
|
|
|
LOG_PRINT_L0("NOTE: chunk_size " << chunk_size << " > 100000" << " height: "
|
|
|
|
<< h-1);
|
|
|
|
}
|
|
|
|
else if (chunk_size <= 0) {
|
|
|
|
std::cout << refresh_string;
|
|
|
|
LOG_PRINT_L0("ERROR: chunk_size " << chunk_size << " <= 0" << " height: " << h-1);
|
|
|
|
throw std::runtime_error("Aborting");
|
|
|
|
}
|
|
|
|
// skip to next expected block size value
|
|
|
|
import_file.seekg(chunk_size, std::ios_base::cur);
|
|
|
|
if (! import_file) {
|
|
|
|
std::cout << refresh_string;
|
|
|
|
LOG_PRINT_L0("ERROR: unexpected end of file: bytes read before error: "
|
|
|
|
<< import_file.gcount() << " of chunk_size " << chunk_size);
|
|
|
|
throw std::runtime_error("Aborting");
|
|
|
|
}
|
|
|
|
bytes_read += chunk_size;
|
|
|
|
|
|
|
|
// std::cout << refresh_string;
|
|
|
|
LOG_PRINT_L3("Number bytes scanned: " << bytes_read);
|
|
|
|
}
|
|
|
|
|
|
|
|
import_file.close();
|
|
|
|
|
|
|
|
std::cout << ENDL;
|
|
|
|
std::cout << "Done scanning bootstrap file" << ENDL;
|
|
|
|
std::cout << "Full header length: " << full_header_size << " bytes" << ENDL;
|
|
|
|
std::cout << "Scanned for blocks: " << bytes_read << " bytes" << ENDL;
|
|
|
|
std::cout << "Total: " << full_header_size + bytes_read << " bytes" << ENDL;
|
|
|
|
std::cout << "Number of blocks: " << h << ENDL;
|
|
|
|
std::cout << ENDL;
|
|
|
|
|
|
|
|
// NOTE: h is the number of blocks.
|
|
|
|
// Note that a block's stored height is zero-based, but parts of the code use
|
|
|
|
// one-based height.
|
|
|
|
return h;
|
|
|
|
}
|