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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2014-12-12 23:20:41 +0000 |
|---|---|---|
| committer | warptangent <warptangent@inbox.com> | 2015-01-04 19:39:43 -0800 |
| commit | 4c2a45288a6bc89ce2e48c2854943904dcd01bab (patch) | |
| tree | 3116a04f280c36371fc1ae810fd815a4ff6da22a /src/cryptonote_core | |
| parent | Merge pull request #16 from moneromooo-monero/blockchain (diff) | |
| download | monero-4c2a45288a6bc89ce2e48c2854943904dcd01bab.tar.xz | |
db_lmdb: catch attempt to remove block from an empty blockchain
It would probably have thrown when not finding a block at
height 2^64-1, but better make things clear.
Diffstat (limited to 'src/cryptonote_core')
| -rw-r--r-- | src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp | 3 |
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 f53e5bac2..a4dbb1d88 100644 --- a/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp +++ b/src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp @@ -207,6 +207,9 @@ void BlockchainLMDB::remove_block() LOG_PRINT_L3("BlockchainLMDB::" << __func__); check_open(); + if (m_height == 0) + throw0(BLOCK_DNE ("Attempting to remove block from an empty blockchain")); + MDB_val_copy<uint64_t> k(m_height - 1); MDB_val h; if (mdb_get(*m_write_txn, m_block_hashes, &k, &h)) |