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authormoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-09-20 12:21:25 +0000
committermoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-09-20 12:21:57 +0000
commit43a06350cf9a14d6a86bd08898bad15c19a0272d (patch)
treeffb696d5fecdfb9d62eefa9baeddfb0cf9b168ef
parentMerge pull request #4391 (diff)
downloadmonero-43a06350cf9a14d6a86bd08898bad15c19a0272d.tar.xz
ringdb: use cursors to be a bit faster
Diffstat (limited to '')
-rw-r--r--src/wallet/ringdb.cpp15
-rw-r--r--tests/unit_tests/ringdb.cpp24
2 files changed, 32 insertions, 7 deletions
diff --git a/src/wallet/ringdb.cpp b/src/wallet/ringdb.cpp
index e9fc6866d..e5995e7fb 100644
--- a/src/wallet/ringdb.cpp
+++ b/src/wallet/ringdb.cpp
@@ -398,6 +398,8 @@ bool ringdb::blackball_worker(const std::vector<std::pair<uint64_t, uint64_t>> &
epee::misc_utils::auto_scope_leave_caller txn_dtor = epee::misc_utils::create_scope_leave_handler([&](){if (tx_active) mdb_txn_abort(txn);});
tx_active = true;
+ dbr = mdb_cursor_open(txn, dbi_blackballs, &cursor);
+ THROW_WALLET_EXCEPTION_IF(dbr, tools::error::wallet_internal_error, "Failed to create cursor for blackballs table: " + std::string(mdb_strerror(dbr)));
MDB_val key, data;
for (const std::pair<uint64_t, uint64_t> &output: outputs)
@@ -411,25 +413,22 @@ bool ringdb::blackball_worker(const std::vector<std::pair<uint64_t, uint64_t>> &
{
case BLACKBALL_BLACKBALL:
MDEBUG("Blackballing output " << output.first << "/" << output.second);
- dbr = mdb_put(txn, dbi_blackballs, &key, &data, MDB_APPENDDUP);
+ dbr = mdb_cursor_put(cursor, &key, &data, MDB_APPENDDUP);
if (dbr == MDB_KEYEXIST)
dbr = 0;
break;
case BLACKBALL_UNBLACKBALL:
MDEBUG("Unblackballing output " << output.first << "/" << output.second);
- dbr = mdb_del(txn, dbi_blackballs, &key, &data);
- if (dbr == MDB_NOTFOUND)
- dbr = 0;
+ dbr = mdb_cursor_get(cursor, &key, &data, MDB_GET_BOTH);
+ if (dbr == 0)
+ dbr = mdb_cursor_del(cursor, 0);
break;
case BLACKBALL_QUERY:
- dbr = mdb_cursor_open(txn, dbi_blackballs, &cursor);
- THROW_WALLET_EXCEPTION_IF(dbr, tools::error::wallet_internal_error, "Failed to create cursor for blackballs table: " + std::string(mdb_strerror(dbr)));
dbr = mdb_cursor_get(cursor, &key, &data, MDB_GET_BOTH);
THROW_WALLET_EXCEPTION_IF(dbr && dbr != MDB_NOTFOUND, tools::error::wallet_internal_error, "Failed to lookup in blackballs table: " + std::string(mdb_strerror(dbr)));
ret = dbr != MDB_NOTFOUND;
if (dbr == MDB_NOTFOUND)
dbr = 0;
- mdb_cursor_close(cursor);
break;
case BLACKBALL_CLEAR:
break;
@@ -439,6 +438,8 @@ bool ringdb::blackball_worker(const std::vector<std::pair<uint64_t, uint64_t>> &
THROW_WALLET_EXCEPTION_IF(dbr, tools::error::wallet_internal_error, "Failed to query blackballs table: " + std::string(mdb_strerror(dbr)));
}
+ mdb_cursor_close(cursor);
+
if (op == BLACKBALL_CLEAR)
{
dbr = mdb_drop(txn, dbi_blackballs, 0);
diff --git a/tests/unit_tests/ringdb.cpp b/tests/unit_tests/ringdb.cpp
index 416ae0890..0d92049ac 100644
--- a/tests/unit_tests/ringdb.cpp
+++ b/tests/unit_tests/ringdb.cpp
@@ -150,6 +150,30 @@ TEST(blackball, found)
ASSERT_TRUE(ringdb.blackballed(OUTPUT_1));
}
+TEST(blackball, vector)
+{
+ RingDB ringdb;
+ std::vector<std::pair<uint64_t, uint64_t>> outputs;
+ outputs.push_back(std::make_pair(0, 1));
+ outputs.push_back(std::make_pair(10, 3));
+ outputs.push_back(std::make_pair(10, 4));
+ outputs.push_back(std::make_pair(10, 8));
+ outputs.push_back(std::make_pair(20, 0));
+ outputs.push_back(std::make_pair(20, 1));
+ outputs.push_back(std::make_pair(30, 5));
+ ASSERT_TRUE(ringdb.blackball(outputs));
+ ASSERT_TRUE(ringdb.blackballed(std::make_pair(0, 1)));
+ ASSERT_FALSE(ringdb.blackballed(std::make_pair(10, 2)));
+ ASSERT_TRUE(ringdb.blackballed(std::make_pair(10, 3)));
+ ASSERT_TRUE(ringdb.blackballed(std::make_pair(10, 4)));
+ ASSERT_FALSE(ringdb.blackballed(std::make_pair(10, 5)));
+ ASSERT_TRUE(ringdb.blackballed(std::make_pair(10, 8)));
+ ASSERT_TRUE(ringdb.blackballed(std::make_pair(20, 0)));
+ ASSERT_TRUE(ringdb.blackballed(std::make_pair(20, 1)));
+ ASSERT_FALSE(ringdb.blackballed(std::make_pair(20, 2)));
+ ASSERT_TRUE(ringdb.blackballed(std::make_pair(30, 5)));
+}
+
TEST(blackball, unblackball)
{
RingDB ringdb;