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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2015-12-25 22:01:21 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2015-12-25 22:01:21 +0000 |
| commit | 5cec076e130f4ae2d1b704086715d59625358feb (patch) | |
| tree | 1bdb3e7ab3601c4c99abb6d4773eb5f5cf9a05bb /src | |
| parent | 3cabdb5ef239fa1d1638d5233de882f59c787dc8 (diff) | |
| download | monzero-core-5cec076e130f4ae2d1b704086715d59625358feb.tar.gz monzero-core-5cec076e130f4ae2d1b704086715d59625358feb.tar.xz monzero-core-5cec076e130f4ae2d1b704086715d59625358feb.zip | |
blockchain: add a missing validity check to rollback_blockchain_switching
It was present in the original code
Diffstat (limited to 'src')
| -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. |