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blockchain_db: fix remove_block

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* remove_block should set the cursor before deletion
This commit is contained in:
0xFFFC0000
2025-03-31 08:54:36 +00:00
committed by nahuhh
parent 7ea8bcdc91
commit a00b7dd505
1 changed files with 5 additions and 1 deletions
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src/blockchain_db/lmdb/db_lmdb.cpp
+5 -1
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@@ -880,9 +880,13 @@ void BlockchainLMDB::remove_block()
if ((result = mdb_cursor_del(m_cur_block_heights, 0)))
throw1(DB_ERROR(lmdb_error("Failed to add removal of block height by hash to db transaction: ", result).c_str()));
MDB_val block_val;
// Use MDB_SET to position the cursor directly at the key
// If this fails, the DB is inconsistent (info/height exists, but block data doesn't)
if ((result = mdb_cursor_get(m_cur_blocks, &k, &block_val, MDB_SET)))
throw1(DB_ERROR(lmdb_error("Failed to locate block data for removal: ", result).c_str()));
if ((result = mdb_cursor_del(m_cur_blocks, 0)))
throw1(DB_ERROR(lmdb_error("Failed to add removal of block to db transaction: ", result).c_str()));
if ((result = mdb_cursor_del(m_cur_block_info, 0)))
throw1(DB_ERROR(lmdb_error("Failed to add removal of block info to db transaction: ", result).c_str()));
}