Merge pull request #650

e298b14 Blockchain: Update comments on removing block (warptangent)
b368e29 blockchain_import: Get hard fork version from HardFork (warptangent)
e02577f Move HardFork DB update to BlockchainDB::add_block() (warptangent)
3800875 Make HardFork object available to BlockchainDB and derived DB implementations (warptangent)
fd46c96 BlockchainDB/LMDB: Refactor block-scope DB txn handling for add block (warptangent)
f3a6000 BlockchainDB/LMDB/BDB: Extract DB txn functions for block add/remove (warptangent)
f47d5b0 BlockchainLMDB: Allow two HardFork functions to update DB during block add (warptangent)
15ee0be BlockchainLMDB: extract txn macros used during block add/remove (warptangent)

1 files changed, 17 insertions, 0 deletions

diff --git a/src/blockchain_db/berkeleydb/db_bdb.cpp b/src/blockchain_db/berkeleydb/db_bdb.cpp
index 2c18ae5df..cdbca52f9 100644
--- a/src/blockchain_db/berkeleydb/db_bdb.cpp
+++ b/src/blockchain_db/berkeleydb/db_bdb.cpp
@@ -781,6 +781,8 @@ BlockchainBDB::BlockchainBDB(bool batch_transactions) :
     m_batch_transactions = batch_transactions;
     m_write_txn = nullptr;
     m_height = 0;
+
+    m_hardfork = nullptr;
 }
 
 void BlockchainBDB::open(const std::string& filename, const int db_flags)
@@ -1831,6 +1833,21 @@ void BlockchainBDB::set_batch_transactions(bool batch_transactions)
     LOG_PRINT_L3("batch transactions " << (m_batch_transactions ? "enabled" : "disabled"));
 }
 
+void BlockchainBDB::block_txn_start()
+{
+  // TODO
+}
+
+void BlockchainBDB::block_txn_stop()
+{
+  // TODO
+}
+
+void BlockchainBDB::block_txn_abort()
+{
+  // TODO
+}
+
 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__);