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authorxiphon <xiphon@protonmail.com>2018-11-05 00:13:51 +0000
committerxiphon <xiphon@protonmail.com>2018-11-05 00:13:51 +0000
commitb3067962faf5b2863fc9e72a603a65bd2e5aa55f (patch)
treee7cc3ff734fc13cfe1dfff6b84b2797a6d16608c /src
parentMerge pull request #4702 (diff)
downloadmonero-b3067962faf5b2863fc9e72a603a65bd2e5aa55f.tar.xz
cryptonote_core: avoid gratuitous recalculations in check_block_rate()
Diffstat (limited to 'src')
-rw-r--r--src/cryptonote_core/cryptonote_core.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index 4b806c282..c405c996a 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -1716,7 +1716,8 @@ namespace cryptonote
for (size_t n = 0; n < sizeof(seconds)/sizeof(seconds[0]); ++n)
{
unsigned int b = 0;
- for (time_t ts: timestamps) b += ts >= now - static_cast<time_t>(seconds[n]);
+ const time_t time_boundary = now - static_cast<time_t>(seconds[n]);
+ for (time_t ts: timestamps) b += ts >= time_boundary;
const double p = probability(b, seconds[n] / DIFFICULTY_TARGET_V2);
MDEBUG("blocks in the last " << seconds[n] / 60 << " minutes: " << b << " (probability " << p << ")");
if (p < threshold)