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-rw-r--r--src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp b/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp
index c30a785ed..c3c0724ce 100644
--- a/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp
+++ b/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp
@@ -742,6 +742,7 @@ void BlockchainLMDB::close()
void BlockchainLMDB::sync()
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
+ check_open();
// Does nothing unless LMDB environment was opened with MDB_NOSYNC or in part
// MDB_NOMETASYNC. Force flush to be synchronous.
@@ -1757,6 +1758,8 @@ uint64_t BlockchainLMDB::add_block( const block& blk
void BlockchainLMDB::pop_block(block& blk, std::vector<transaction>& txs)
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
+ check_open();
+
txn_safe txn;
if (! m_batch_active)
{