diff options
| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2018-11-20 20:19:39 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2019-03-05 11:58:05 +0000 |
| commit | 79b4e9f3779796d9233e3e169f5c1086a49717dd (patch) | |
| tree | 6ca8ebd03038cb703ffc89cab72482ce9e31a271 /src/blockchain_db/lmdb | |
| parent | blockchain: avoid pointless transaction copy and temporary (diff) | |
| download | monero-79b4e9f3779796d9233e3e169f5c1086a49717dd.tar.xz | |
save some database calls when getting top block hash and height
Diffstat (limited to 'src/blockchain_db/lmdb')
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.cpp | 4 | ||||
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.h | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp index e7ed75c83..c6971c613 100644 --- a/src/blockchain_db/lmdb/db_lmdb.cpp +++ b/src/blockchain_db/lmdb/db_lmdb.cpp @@ -2582,11 +2582,13 @@ std::vector<crypto::hash> BlockchainLMDB::get_hashes_range(const uint64_t& h1, c return v; } -crypto::hash BlockchainLMDB::top_block_hash() const +crypto::hash BlockchainLMDB::top_block_hash(uint64_t *block_height) const { LOG_PRINT_L3("BlockchainLMDB::" << __func__); check_open(); uint64_t m_height = height(); + if (block_height) + *block_height = m_height - 1; if (m_height != 0) { return get_block_hash_from_height(m_height - 1); diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h index 2f28c48e2..82016c17a 100644 --- a/src/blockchain_db/lmdb/db_lmdb.h +++ b/src/blockchain_db/lmdb/db_lmdb.h @@ -233,7 +233,7 @@ public: virtual std::vector<crypto::hash> get_hashes_range(const uint64_t& h1, const uint64_t& h2) const; - virtual crypto::hash top_block_hash() const; + virtual crypto::hash top_block_hash(uint64_t *block_height = NULL) const; virtual block get_top_block() const; |