1 files changed, 180 insertions, 0 deletions
diff --git a/src/blockchain_db/blockchain_db.cpp b/src/blockchain_db/blockchain_db.cpp
new file mode 100644
index 000000000..8b08d3805
--- /dev/null
+++ b/src/blockchain_db/blockchain_db.cpp
@@ -0,0 +1,180 @@
+// 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 "blockchain_db.h"
+#include "cryptonote_core/cryptonote_format_utils.h"
+#include "profile_tools.h"
+
+using epee::string_tools::pod_to_hex;
+
+namespace cryptonote
+{
+
+void BlockchainDB::pop_block()
+{
+  block blk;
+  std::vector<transaction> txs;
+  pop_block(blk, txs);
+}
+
+void BlockchainDB::add_transaction(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash* tx_hash_ptr)
+{
+  crypto::hash tx_hash;
+  if (!tx_hash_ptr)
+  {
+    // should only need to compute hash for miner transactions
+    tx_hash = get_transaction_hash(tx);
+    LOG_PRINT_L3("null tx_hash_ptr - needed to compute: " << tx_hash);
+  }
+  else
+  {
+    tx_hash = *tx_hash_ptr;
+  }
+
+  add_transaction_data(blk_hash, tx, tx_hash);
+
+  // iterate tx.vout using indices instead of C++11 foreach syntax because
+  // we need the index
+  if (tx.vout.size() != 0)  // it may be technically possible for a tx to have no outputs
+  {
+    for (uint64_t i = 0; i < tx.vout.size(); ++i)
+    {
+      add_output(tx_hash, tx.vout[i], i);
+    }
+
+    for (const txin_v& tx_input : tx.vin)
+    {
+      if (tx_input.type() == typeid(txin_to_key))
+      {
+        add_spent_key(boost::get<txin_to_key>(tx_input).k_image);
+      }
+    }
+  }
+}
+
+uint64_t BlockchainDB::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
+                                )
+{
+  TIME_MEASURE_START(time1);
+  crypto::hash blk_hash = get_block_hash(blk);
+  TIME_MEASURE_FINISH(time1);
+  time_blk_hash += time1;
+
+  // call out to subclass implementation to add the block & metadata
+  time1 = epee::misc_utils::get_tick_count();
+  add_block(blk, block_size, cumulative_difficulty, coins_generated, blk_hash);
+  TIME_MEASURE_FINISH(time1);
+  time_add_block1 += time1;
+
+  // call out to add the transactions
+
+  time1 = epee::misc_utils::get_tick_count();
+  add_transaction(blk_hash, blk.miner_tx);
+  int tx_i = 0;
+  crypto::hash tx_hash = null_hash;
+  for (const transaction& tx : txs)
+  {
+    tx_hash = blk.tx_hashes[tx_i];
+    add_transaction(blk_hash, tx, &tx_hash);
+    ++tx_i;
+  }
+  TIME_MEASURE_FINISH(time1);
+  time_add_transaction += time1;
+
+  ++num_calls;
+
+  return height();
+}
+
+void BlockchainDB::pop_block(block& blk, std::vector<transaction>& txs)
+{
+  blk = get_top_block();
+
+  remove_block();
+  
+  remove_transaction(get_transaction_hash(blk.miner_tx));
+  for (const auto& h : blk.tx_hashes)
+  {
+    txs.push_back(get_tx(h));
+    remove_transaction(h);
+  }
+}
+
+void BlockchainDB::remove_transaction(const crypto::hash& tx_hash)
+{
+  transaction tx = get_tx(tx_hash);
+
+  for (const txin_v& tx_input : tx.vin)
+  {
+    if (tx_input.type() == typeid(txin_to_key))
+    {
+      remove_spent_key(boost::get<txin_to_key>(tx_input).k_image);
+    }
+  }
+
+  // need tx as tx.vout has the tx outputs, and the output amounts are needed
+  remove_transaction_data(tx_hash, tx);
+}
+
+void BlockchainDB::reset_stats()
+{
+  num_calls = 0;
+  time_blk_hash = 0;
+  time_tx_exists = 0;
+  time_add_block1 = 0;
+  time_add_transaction = 0;
+  time_commit1 = 0;
+}
+
+void BlockchainDB::show_stats()
+{
+  LOG_PRINT_L1(ENDL
+    << "*********************************"
+    << ENDL
+    << "num_calls: " << num_calls
+    << ENDL
+    << "time_blk_hash: " << time_blk_hash << "ms"
+    << ENDL
+    << "time_tx_exists: " << time_tx_exists << "ms"
+    << ENDL
+    << "time_add_block1: " << time_add_block1 << "ms"
+    << ENDL
+    << "time_add_transaction: " << time_add_transaction << "ms"
+    << ENDL
+    << "time_commit1: " << time_commit1 << "ms"
+    << ENDL
+    << "*********************************"
+    << ENDL
+  );
+}
+
+}  // namespace cryptonote