aboutsummaryrefslogtreecommitdiff
path: root/src/blockchain_db/berkeleydb/db_bdb.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/blockchain_db/berkeleydb/db_bdb.cpp')
-rw-r--r--src/blockchain_db/berkeleydb/db_bdb.cpp18
1 files changed, 14 insertions, 4 deletions
diff --git a/src/blockchain_db/berkeleydb/db_bdb.cpp b/src/blockchain_db/berkeleydb/db_bdb.cpp
index 02fdaba2f..86d1900ae 100644
--- a/src/blockchain_db/berkeleydb/db_bdb.cpp
+++ b/src/blockchain_db/berkeleydb/db_bdb.cpp
@@ -419,16 +419,26 @@ void BlockchainBDB::remove_tx_outputs(const crypto::hash& tx_hash, const transac
}
else
{
+ result = cur->get(&k, &v, DB_NEXT_NODUP);
+ if (result != 0 && result != DB_NOTFOUND)
+ throw0(DB_ERROR("DB error attempting to get next non-duplicate tx hash"));
+
+ if (result == 0)
+ result = cur->get(&k, &v, DB_PREV);
+ else if (result == DB_NOTFOUND)
+ result = cur->get(&k, &v, DB_LAST);
+
db_recno_t num_elems = 0;
cur->count(&num_elems, 0);
- for (uint64_t i = 0; i < num_elems; ++i)
+ // remove in order: from newest to oldest
+ for (uint64_t i = num_elems; i > 0; --i)
{
- const tx_out tx_output = tx.vout[i];
+ const tx_out tx_output = tx.vout[i-1];
remove_output(v, tx_output.amount);
- if (i < num_elems - 1)
+ if (i > 1)
{
- cur->get(&k, &v, DB_NEXT_DUP);
+ cur->get(&k, &v, DB_PREV_DUP);
}
}
}