Git-Mirrors/monero
1
0
Fork 0
mirror of https://github.com/monero-project/monero.git synced 2025-08-15 01:05:30 -04:00
Code Issues Projects Releases Packages Wiki Activity

speedup get_output_histogram for all amounts when min_count > 0

Browse source 
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.
This commit is contained in:
moneromooo-monero 2018-03-22 17:51:58 +00:00
parent 2dae0f203a
commit ffeeefde60
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
6 changed files with 16 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/cryptonote_core/blockchain.cpp
View file

@ -4322,9 +4322,9 @@ uint64_t Blockchain::get_difficulty_target() const
return get_current_hard_fork_version() < 2 ? DIFFICULTY_TARGET_V1 : DIFFICULTY_TARGET_V2;
}
std::map<uint64_t, std::tuple<uint64_t, uint64_t, uint64_t>> Blockchain:: 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>> Blockchain:: get_output_histogram(const std::vector<uint64_t> &amounts, bool unlocked, uint64_t recent_cutoff, uint64_t min_count) const
{
return m_db->get_output_histogram(amounts, unlocked, recent_cutoff);
return m_db->get_output_histogram(amounts, unlocked, recent_cutoff, min_count);
}
std::list<std::pair<Blockchain::block_extended_info,uint64_t>> Blockchain::get_alternative_chains() const

3
src/cryptonote_core/blockchain.h
View file

@ -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