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Diffstat (limited to 'src/blockchain_converter/blockchain_export.h')
-rw-r--r-- | src/blockchain_converter/blockchain_export.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/blockchain_converter/blockchain_export.h b/src/blockchain_converter/blockchain_export.h new file mode 100644 index 000000000..43e25c039 --- /dev/null +++ b/src/blockchain_converter/blockchain_export.h @@ -0,0 +1,87 @@ +// 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/archive/binary_oarchive.hpp> +#include <boost/iostreams/stream_buffer.hpp> +#include <boost/iostreams/stream.hpp> +#include <boost/iostreams/device/back_inserter.hpp> +#include "cryptonote_core/cryptonote_basic.h" +#include "cryptonote_core/blockchain_storage.h" +#include "cryptonote_core/blockchain.h" +#include "blockchain_db/blockchain_db.h" +#include "blockchain_db/lmdb/db_lmdb.h" + +// CONFIG: choose one of the three #define's +// +// DB_MEMORY is a sensible default for users migrating to LMDB, as it allows +// the exporter to use the in-memory blockchain while the other binaries +// work with LMDB, without recompiling anything. +// +#define SOURCE_DB DB_MEMORY +// #define SOURCE_DB DB_LMDB +// to use global compile-time setting (DB_MEMORY or DB_LMDB): +// #define SOURCE_DB BLOCKCHAIN_DB + +using namespace cryptonote; + +class BlockchainExport +{ +public: +#if SOURCE_DB == DB_MEMORY + bool store_blockchain_raw(cryptonote::blockchain_storage* cs, cryptonote::tx_memory_pool* txp, + boost::filesystem::path& output_dir, uint64_t use_block_height=0); +#else + bool store_blockchain_raw(cryptonote::Blockchain* cs, cryptonote::tx_memory_pool* txp, + boost::filesystem::path& output_dir, uint64_t use_block_height=0); +#endif + +protected: +#if SOURCE_DB == DB_MEMORY + blockchain_storage* m_blockchain_storage; +#else + Blockchain* m_blockchain_storage; +#endif + + tx_memory_pool* m_tx_pool; + typedef std::vector<char> buffer_type; + std::ofstream * m_raw_data_file; + boost::archive::binary_oarchive * m_raw_archive; + buffer_type m_buffer; + boost::iostreams::stream<boost::iostreams::back_insert_device<buffer_type>>* m_output_stream; + + // open export file for write + bool open(const boost::filesystem::path& dir_path); + bool close(); + void write_block(block& block); + void serialize_block_to_text_buffer(const block& block); + void buffer_serialize_tx(const transaction& tx); + void buffer_write_num_txs(const std::list<transaction> txs); + void flush_chunk(); +}; |