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authormoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-03-22 17:51:58 +0000
committermoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-04-23 10:54:28 +0100
commitffeeefde609822bca8a05ac6919ca0de2fc3fcc0 (patch)
treea12d90343a88a77de9292b2b4005b913bf41d2d1 /src/cryptonote_core/blockchain.h
parentwallet2: add missing parameters to get_output_histogram (diff)
downloadmonero-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 'src/cryptonote_core/blockchain.h')
-rw-r--r--src/cryptonote_core/blockchain.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cryptonote_core/blockchain.h b/src/cryptonote_core/blockchain.h
index 4423199de..61096fb26 100644
--- a/src/cryptonote_core/blockchain.h
+++ b/src/cryptonote_core/blockchain.h
@@ -827,10 +827,11 @@ namespace cryptonote
* @param amounts optional set of amounts to lookup
* @param unlocked whether to restrict instances to unlocked ones
* @param recent_cutoff timestamp to consider outputs as 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 = 0) const;
/**
* @brief perform a check on all key images in the blockchain