Add blockchain_import utility

This imports to the blockchain database from an exported blockchain
file.

It can be used to bootstrap a new database or to add blocks to an
existing one.

Supports:
  - both the in-memory and LMDB implementations
  - optional: batching, verification, testnet

See help for usage.

Based on work by tomerkon.
See https://github.com/tomerkon
  src/cryptonote_core/bootfileloader.{h,cpp}

1 files changed, 143 insertions, 0 deletions

diff --git a/src/blockchain_converter/fake_core.h b/src/blockchain_converter/fake_core.h
new file mode 100644
index 000000000..68021a2bd
--- /dev/null
+++ b/src/blockchain_converter/fake_core.h
@@ -0,0 +1,143 @@
+// 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/filesystem.hpp>
+#include "cryptonote_core/blockchain.h" // BlockchainDB and LMDB
+#include "cryptonote_core/blockchain_storage.h" // in-memory DB
+
+using namespace cryptonote;
+
+
+#if !defined(BLOCKCHAIN_DB) || BLOCKCHAIN_DB == DB_LMDB
+
+struct fake_core_lmdb
+{
+  Blockchain m_storage;
+  tx_memory_pool m_pool;
+  bool support_batch;
+  bool support_add_block;
+
+  // for multi_db_runtime:
+#if !defined(BLOCKCHAIN_DB)
+  fake_core_lmdb(const boost::filesystem::path &path, const bool use_testnet=false, const bool do_batch=true) : m_pool(&m_storage), m_storage(m_pool)
+  // for multi_db_compile:
+#else
+  fake_core_lmdb(const boost::filesystem::path &path, const bool use_testnet=false, const bool do_batch=true) : m_pool(m_storage), m_storage(m_pool)
+#endif
+  {
+    m_pool.init(path.string());
+    m_storage.init(path.string(), use_testnet);
+    if (do_batch)
+      m_storage.get_db()->set_batch_transactions(do_batch);
+    support_batch = true;
+    support_add_block = true;
+  }
+  ~fake_core_lmdb()
+  {
+    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()
+  {
+    m_storage.get_db()->batch_start();
+  }
+
+  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()
+  {
+    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