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-rw-r--r--src/blockchain_db/lmdb/db_lmdb.cpp10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index 541e838f7..5982b9d9a 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -2450,8 +2450,14 @@ void BlockchainLMDB::check_hard_fork_info()
throw0(DB_ERROR("Failed to query m_hf_starting_heights"));
if (db_stat1.ms_entries != db_stat2.ms_entries)
{
- mdb_drop(*txn_ptr, m_hf_starting_heights, 1);
- mdb_drop(*txn_ptr, m_hf_versions, 1);
+ // Empty, but don't delete. This allows this function to be called after
+ // startup, after the subdbs have already been created, and rest of startup
+ // can proceed. If these don't exist, hard fork's init() will fail.
+ //
+ // If these are empty, hard fork's init() will repopulate the hard fork
+ // data.
+ mdb_drop(*txn_ptr, m_hf_starting_heights, 0);
+ mdb_drop(*txn_ptr, m_hf_versions, 0);
}
TXN_POSTFIX_SUCCESS();