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Merge #10672: Avoid division by zero in the case of a corrupt estimates file

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fe862c5ad Avoid division by zero in the case of a corrupt estimates file (practicalswift)

Pull request description:

  Avoid division by zero in the case of a corrupt estimates file.

Tree-SHA512: 285cb0d566f239d260880026a930a7412d86e31ea3819d5371a36364a241dc76164e68c1da6da8369345fa6037ca0abc5ab82d245058c085d5f1fd50111fba48
This commit is contained in:
Pieter Wuille 2017-10-14 16:55:54 -07:00
commit 6ab0e4cf49
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1 changed files with 4 additions and 0 deletions
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src/policy/fees.cpp
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@ -180,6 +180,7 @@ TxConfirmStats::TxConfirmStats(const std::vector<double>& defaultBuckets,
: buckets(defaultBuckets), bucketMap(defaultBucketMap) : buckets(defaultBuckets), bucketMap(defaultBucketMap)
{ {
decay = _decay; decay = _decay;
assert(_scale != 0 && "_scale must be non-zero");
scale = _scale; scale = _scale;
confAvg.resize(maxPeriods); confAvg.resize(maxPeriods);
for (unsigned int i = 0; i < maxPeriods; i++) { for (unsigned int i = 0; i < maxPeriods; i++) {
@ -418,6 +419,9 @@ void TxConfirmStats::Read(CAutoFile& filein, int nFileVersion, size_t numBuckets
throw std::runtime_error("Corrupt estimates file. Decay must be between 0 and 1 (non-inclusive)"); throw std::runtime_error("Corrupt estimates file. Decay must be between 0 and 1 (non-inclusive)");
} }
filein >> scale; filein >> scale;
if (scale == 0) {
throw std::runtime_error("Corrupt estimates file. Scale must be non-zero");
}
} }
filein >> avg; filein >> avg;