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Merge #20141: Avoid the use of abs64 in timedata

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d1292f25f272401da0c58580521c74b1fa03a9ad Avoid the use of abs64 in timedata (Pieter Wuille)

Pull request description:

  Fixes #20135.

ACKs for top commit:
  kallewoof:
    ACK d1292f25f272401da0c58580521c74b1fa03a9ad
  jonatack:
    ACK d1292f25f272401da0c58580521c74b1fa03a9ad code/logic review, verified there are no remaining callers of `abs64()`, verified no warnings in a debug build
  practicalswift:
    ACK d1292f25f272401da0c58580521c74b1fa03a9ad
  MarcoFalke:
    ACK d1292f25f272401da0c58580521c74b1fa03a9ad 🎹

Tree-SHA512: d17e95c668eb5e02ea546433b3d1b5a0ccbfb2c9cec62fa67dad1844d7e278a2576fbc0b75bddbf4db9af7331e978148c7bef7fce7e6a07e0eb917ef1392f302
This commit is contained in:
fanquake 2020-10-13 19:04:10 +08:00 committed by PastaPastaPasta
parent 9f64dc6552
commit 1fdf76bfb6
1 changed files with 3 additions and 7 deletions
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10
src/timedata.cpp
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@ -36,11 +36,6 @@ int64_t GetAdjustedTime()
return GetTime() + GetTimeOffset();
}
static int64_t abs64(int64_t n)
{
return (n >= 0 ? n : -n);
}
#define BITCOIN_TIMEDATA_MAX_SAMPLES 200
void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample)
@ -79,7 +74,8 @@ void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample)
int64_t nMedian = vTimeOffsets.median();
std::vector<int64_t> vSorted = vTimeOffsets.sorted();
// Only let other nodes change our time by so much
if (abs64(nMedian) <= std::max<int64_t>(0, gArgs.GetArg("-maxtimeadjustment", DEFAULT_MAX_TIME_ADJUSTMENT))) {
int64_t max_adjustment = std::max<int64_t>(0, gArgs.GetArg("-maxtimeadjustment", DEFAULT_MAX_TIME_ADJUSTMENT));
if (nMedian >= -max_adjustment && nMedian <= max_adjustment) {
nTimeOffset = nMedian;
} else {
nTimeOffset = 0;
@ -89,7 +85,7 @@ void AddTimeData(const CNetAddr& ip, int64_t nOffsetSample)
// If nobody has a time different than ours but within 5 minutes of ours, give a warning
bool fMatch = false;
for (const int64_t nOffset : vSorted) {
if (nOffset != 0 && abs64(nOffset) < 5 * 60) fMatch = true;
if (nOffset != 0 && nOffset > -5 * 60 && nOffset < 5 * 60) fMatch = true;
}
if (!fMatch) {