From edef0bb77175d225f93ac68fdc9f2ba37971ed30 Mon Sep 17 00:00:00 2001
From: Thomas Winget <tewinget@gmail.com>
Date: Mon, 9 Mar 2015 16:21:44 -0400
Subject: Initial commit of BDB BlockchainDB implementation

Basically verbatim copy of LMDB implementation, but with the guts ripped
out and includes changed, etc.
---
 src/blockchain_db/berkeleydb/db_bdb.cpp | 465 ++++++++++++++++++++++++++++++++
 1 file changed, 465 insertions(+)
 create mode 100644 src/blockchain_db/berkeleydb/db_bdb.cpp

(limited to 'src/blockchain_db/berkeleydb/db_bdb.cpp')

diff --git a/src/blockchain_db/berkeleydb/db_bdb.cpp b/src/blockchain_db/berkeleydb/db_bdb.cpp
new file mode 100644
index 000000000..9f79c4846
--- /dev/null
+++ b/src/blockchain_db/berkeleydb/db_bdb.cpp
@@ -0,0 +1,465 @@
+// Copyright (c) 2014, 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.
+
+#include "db_bdb.h"
+
+#include <boost/filesystem.hpp>
+#include <memory>  // std::unique_ptr
+#include <cstring>  // memcpy
+
+#include "cryptonote_core/cryptonote_format_utils.h"
+#include "crypto/crypto.h"
+#include "profile_tools.h"
+
+using epee::string_tools::pod_to_hex;
+
+namespace
+{
+
+template <typename T>
+inline void throw0(const T &e)
+{
+  LOG_PRINT_L0(e.what());
+  throw e;
+}
+
+template <typename T>
+inline void throw1(const T &e)
+{
+  LOG_PRINT_L1(e.what());
+  throw e;
+}
+
+} // anonymous namespace
+
+namespace cryptonote
+{
+
+void BlockchainBDB::add_block( const block& blk
+              , const size_t& block_size
+              , const difficulty_type& cumulative_difficulty
+              , const uint64_t& coins_generated
+              , const crypto::hash& blk_hash
+              )
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::remove_block()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::remove_transaction_data(const crypto::hash& tx_hash, const transaction& tx)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_output, const uint64_t& local_index)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::remove_tx_outputs(const crypto::hash& tx_hash, const transaction& tx)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+
+}
+
+// TODO: probably remove this function
+void BlockchainBDB::remove_output(const tx_out& tx_output)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__ << " (unused version - does nothing)");
+  return;
+}
+
+void BlockchainBDB::remove_output(const uint64_t& out_index, const uint64_t amount)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::remove_amount_output_index(const uint64_t amount, const uint64_t global_output_index)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::add_spent_key(const crypto::key_image& k_image)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::remove_spent_key(const crypto::key_image& k_image)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+blobdata BlockchainBDB::output_to_blob(const tx_out& output)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+tx_out BlockchainBDB::output_from_blob(const blobdata& blob) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+uint64_t BlockchainBDB::get_output_global_index(const uint64_t& amount, const uint64_t& index) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::check_open() const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  if (!m_open)
+    throw0(DB_ERROR("DB operation attempted on a not-open DB instance"));
+}
+
+BlockchainBDB::~BlockchainBDB()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+
+}
+
+BlockchainBDB::BlockchainBDB(bool batch_transactions)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+void BlockchainBDB::open(const std::string& filename)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+
+}
+
+// unused for now, create will happen on open if doesn't exist
+void BlockchainBDB::create(const std::string& filename)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  throw DB_CREATE_FAILURE("create() is not implemented for this BlockchainDB, open() will create files if needed.");
+}
+
+void BlockchainBDB::close()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+void BlockchainBDB::sync()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::reset()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  // TODO: this
+}
+
+std::vector<std::string> BlockchainBDB::get_filenames() const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+// TODO: this?
+bool BlockchainBDB::lock()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+  return false;
+}
+
+// TODO: this?
+void BlockchainBDB::unlock()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+bool BlockchainBDB::block_exists(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+block BlockchainBDB::get_block(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_block_height(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+block_header BlockchainBDB::get_block_header(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+block BlockchainBDB::get_block_from_height(const uint64_t& height) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_block_timestamp(const uint64_t& height) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_top_block_timestamp() const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+size_t BlockchainBDB::get_block_size(const uint64_t& height) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+difficulty_type BlockchainBDB::get_block_cumulative_difficulty(const uint64_t& height) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__ << "  height: " << height);
+  check_open();
+}
+
+difficulty_type BlockchainBDB::get_block_difficulty(const uint64_t& height) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_block_already_generated_coins(const uint64_t& height) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+crypto::hash BlockchainBDB::get_block_hash_from_height(const uint64_t& height) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+std::vector<block> BlockchainBDB::get_blocks_range(const uint64_t& h1, const uint64_t& h2) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+std::vector<crypto::hash> BlockchainBDB::get_hashes_range(const uint64_t& h1, const uint64_t& h2) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+crypto::hash BlockchainBDB::top_block_hash() const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+block BlockchainBDB::get_top_block() const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::height() const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+
+  return m_height;
+}
+
+bool BlockchainBDB::tx_exists(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_tx_unlock_time(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+transaction BlockchainBDB::get_tx(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_tx_count() const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+std::vector<transaction> BlockchainBDB::get_tx_list(const std::vector<crypto::hash>& hlist) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_tx_block_height(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+//FIXME: make sure the random method used here is appropriate
+uint64_t BlockchainBDB::get_random_output(const uint64_t& amount) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+uint64_t BlockchainBDB::get_num_outputs(const uint64_t& amount) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+crypto::public_key BlockchainBDB::get_output_key(const uint64_t& amount, const uint64_t& index) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+tx_out BlockchainBDB::get_output(const crypto::hash& h, const uint64_t& index) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+// As this is not used, its return is now a blank output.
+// This will save on space in the db.
+tx_out BlockchainBDB::get_output(const uint64_t& index) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  return tx_out();
+}
+
+tx_out_index BlockchainBDB::get_output_tx_and_index_from_global(const uint64_t& index) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+tx_out_index BlockchainBDB::get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+std::vector<uint64_t> BlockchainBDB::get_tx_output_indices(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+std::vector<uint64_t> BlockchainBDB::get_tx_amount_output_indices(const crypto::hash& h) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+
+
+bool BlockchainBDB::has_key_image(const crypto::key_image& img) const
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::batch_start()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+void BlockchainBDB::batch_commit()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+void BlockchainBDB::batch_stop()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+void BlockchainBDB::batch_abort()
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+void BlockchainBDB::set_batch_transactions(bool batch_transactions)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+}
+
+uint64_t BlockchainBDB::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
+                                  )
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+void BlockchainBDB::pop_block(block& blk, std::vector<transaction>& txs)
+{
+  LOG_PRINT_L3("BlockchainBDB::" << __func__);
+  check_open();
+}
+
+}  // namespace cryptonote
-- 
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