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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2018-03-22 17:51:58 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2018-04-23 10:54:28 +0100 |
| commit | ffeeefde609822bca8a05ac6919ca0de2fc3fcc0 (patch) | |
| tree | a12d90343a88a77de9292b2b4005b913bf41d2d1 /src/blockchain_db/lmdb/db_lmdb.h | |
| parent | wallet2: add missing parameters to get_output_histogram (diff) | |
| download | monero-ffeeefde609822bca8a05ac6919ca0de2fc3fcc0.tar.xz | |
speedup get_output_histogram for all amounts when min_count > 0
This skips the vast majority of "dust" output amounts with just
one instance on the chain. Clocks in at 0.15% of the original
time on testnet.
Diffstat (limited to '')
| -rw-r--r-- | src/blockchain_db/lmdb/db_lmdb.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/blockchain_db/lmdb/db_lmdb.h b/src/blockchain_db/lmdb/db_lmdb.h index 0aa4bb86e..9a20c0f1e 100644 --- a/src/blockchain_db/lmdb/db_lmdb.h +++ b/src/blockchain_db/lmdb/db_lmdb.h @@ -287,10 +287,11 @@ public: * @param amounts optional set of amounts to lookup * @param unlocked whether to restrict count to unlocked outputs * @param recent_cutoff timestamp to determine which outputs are recent + * @param min_count return only amounts with at least that many instances * * @return a set of amount/instances */ - std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked, uint64_t recent_cutoff) const; + std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked, uint64_t recent_cutoff, uint64_t min_count) const; private: void do_resize(uint64_t size_increase=0); |