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// Copyright (c) 2014-2016, 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
#include "cryptonote_core/blockchain_storage.h" // in-memory DB
#include "blockchain_db/blockchain_db.h"
#include "blockchain_db/lmdb/db_lmdb.h"
#if defined(BERKELEY_DB)
#include "blockchain_db/berkeleydb/db_bdb.h"
#endif
using namespace cryptonote;
namespace
{
// NOTE: These values should match blockchain.cpp
// TODO: Refactor
const uint64_t mainnet_hard_fork_version_1_till = 1009826;
const uint64_t testnet_hard_fork_version_1_till = 624633;
}
#if !defined(BLOCKCHAIN_DB) || BLOCKCHAIN_DB == DB_LMDB
struct fake_core_db
{
Blockchain m_storage;
HardFork* m_hardfork = nullptr;
tx_memory_pool m_pool;
bool support_batch;
bool support_add_block;
// for multi_db_runtime:
#if !defined(BLOCKCHAIN_DB)
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)
// for multi_db_compile:
#else
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)
#endif
{
m_pool.init(path.string());
BlockchainDB* db = nullptr;
if (db_type == "lmdb")
db = new BlockchainLMDB();
#if defined(BERKELEY_DB)
else if (db_type == "berkeley")
db = new BlockchainBDB();
#endif
else
{
LOG_ERROR("Attempted to use non-existent database type: " << db_type);
throw std::runtime_error("Attempting to use non-existent database type");
}
boost::filesystem::path folder(path);
folder /= db->get_db_name();
LOG_PRINT_L0("Loading blockchain from folder " << folder.string() << " ...");
const std::string filename = folder.string();
try
{
db->open(filename, db_flags);
}
catch (const std::exception& e)
{
LOG_PRINT_L0("Error opening database: " << e.what());
throw;
}
db->check_hard_fork_info();
uint64_t hard_fork_version_1_till = use_testnet ? testnet_hard_fork_version_1_till : mainnet_hard_fork_version_1_till;
m_hardfork = new HardFork(*db, 1, hard_fork_version_1_till);
m_storage.init(db, m_hardfork, use_testnet);
if (do_batch)
m_storage.get_db().set_batch_transactions(do_batch);
support_batch = true;
support_add_block = true;
}
~fake_core_db()
{
m_storage.get_db().check_hard_fork_info();
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(uint64_t batch_num_blocks = 0)
{
m_storage.get_db().batch_start(batch_num_blocks);
}
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(uint64_t batch_num_blocks = 0)
{
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
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