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0693cff925
Faster throughput while avoiding corruption. I.e., makes running with --db-sync-mode safe more tolerable.
133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
// Copyright (c) 2014-2016, 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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#pragma once
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#include <boost/filesystem.hpp>
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#include "cryptonote_core/blockchain.h" // BlockchainDB
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#include "cryptonote_core/tx_pool.h"
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#include "blockchain_db/blockchain_db.h"
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#include "blockchain_db/lmdb/db_lmdb.h"
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#if defined(BERKELEY_DB)
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#include "blockchain_db/berkeleydb/db_bdb.h"
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#endif
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using namespace cryptonote;
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namespace
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{
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// NOTE: These values should match blockchain.cpp
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// TODO: Refactor
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const uint64_t mainnet_hard_fork_version_1_till = 1009826;
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const uint64_t testnet_hard_fork_version_1_till = 624633;
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}
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struct fake_core_db
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{
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Blockchain m_storage;
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HardFork* m_hardfork = nullptr;
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tx_memory_pool m_pool;
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bool support_batch;
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bool support_add_block;
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// for multi_db_runtime:
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fake_core_db(const boost::filesystem::path &path, const bool use_testnet=false, const bool do_batch=true, const std::string& db_type="lmdb", const int db_flags=0) : m_pool(m_storage), m_storage(m_pool)
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{
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m_pool.init(path.string());
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BlockchainDB* db = nullptr;
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if (db_type == "lmdb")
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db = new BlockchainLMDB();
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#if defined(BERKELEY_DB)
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else if (db_type == "berkeley")
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db = new BlockchainBDB();
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#endif
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else
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{
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LOG_ERROR("Attempted to use non-existent database type: " << db_type);
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throw std::runtime_error("Attempting to use non-existent database type");
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}
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boost::filesystem::path folder(path);
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folder /= db->get_db_name();
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LOG_PRINT_L0("Loading blockchain from folder " << folder.string() << " ...");
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const std::string filename = folder.string();
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try
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{
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db->open(filename, db_flags);
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}
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catch (const std::exception& e)
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{
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LOG_PRINT_L0("Error opening database: " << e.what());
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throw;
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}
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db->check_hard_fork_info();
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uint64_t hard_fork_version_1_till = use_testnet ? testnet_hard_fork_version_1_till : mainnet_hard_fork_version_1_till;
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m_hardfork = new HardFork(*db, 1, hard_fork_version_1_till);
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m_storage.init(db, m_hardfork, use_testnet);
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if (do_batch)
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m_storage.get_db().set_batch_transactions(do_batch);
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support_batch = true;
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support_add_block = true;
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}
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~fake_core_db()
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{
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m_storage.get_db().check_hard_fork_info();
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m_storage.deinit();
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}
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uint64_t add_block(const block& blk
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, const size_t& block_size
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, const difficulty_type& cumulative_difficulty
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, const uint64_t& coins_generated
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, const std::vector<transaction>& txs
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)
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{
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return m_storage.get_db().add_block(blk, block_size, cumulative_difficulty, coins_generated, txs);
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}
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bool batch_start(uint64_t batch_num_blocks = 0)
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{
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return m_storage.get_db().batch_start(batch_num_blocks);
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}
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void batch_stop()
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{
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m_storage.get_db().batch_stop();
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}
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};
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