diff options
-rw-r--r-- | src/cryptonote_core/blockchain.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 64b7a5b2f..f3111a966 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -717,6 +717,12 @@ bool Blockchain::rollback_blockchain_switching(std::list<block>& original_chain, LOG_PRINT_L3("Blockchain::" << __func__); CRITICAL_REGION_LOCAL(m_blockchain_lock); + // fail if rollback_height passed is too high + if (rollback_height > m_db->height()) + { + return true; + } + m_timestamps_and_difficulties_height = 0; // remove blocks from blockchain until we get back to where we should be. |