Merge #9288: Fix a bug if the min fee is 0 for FeeFilterRounder

f8d43b8 Avoid rollingMinimumFeeRate never being able to decay below half (Alex Morcos)
eab8e1b fix a bug if the min fee is 0 for FeeFilterRounder (Alex Morcos)
This commit is contained in:
Wladimir J. van der Laan 2017-01-04 12:25:26 +01:00
commit 1ce7ede2a9
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3 changed files with 4 additions and 3 deletions

View file

@ -299,6 +299,7 @@ void CBlockPolicyEstimator::removeTx(uint256 hash)
CBlockPolicyEstimator::CBlockPolicyEstimator(const CFeeRate& _minRelayFee)
: nBestSeenHeight(0)
{
static_assert(MIN_FEERATE > 0, "Min feerate must be nonzero");
minTrackedFee = _minRelayFee < CFeeRate(MIN_FEERATE) ? CFeeRate(MIN_FEERATE) : _minRelayFee;
std::vector<double> vfeelist;
for (double bucketBoundary = minTrackedFee.GetFeePerK(); bucketBoundary <= MAX_FEERATE; bucketBoundary *= FEE_SPACING) {
@ -485,7 +486,7 @@ void CBlockPolicyEstimator::Read(CAutoFile& filein, int nFileVersion)
FeeFilterRounder::FeeFilterRounder(const CFeeRate& minIncrementalFee)
{
CAmount minFeeLimit = minIncrementalFee.GetFeePerK() / 2;
CAmount minFeeLimit = std::max(CAmount(1), minIncrementalFee.GetFeePerK() / 2);
feeset.insert(0);
for (double bucketBoundary = minFeeLimit; bucketBoundary <= MAX_FEERATE; bucketBoundary *= FEE_SPACING) {
feeset.insert(bucketBoundary);

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@ -179,7 +179,7 @@ static const double MIN_SUCCESS_PCT = .95;
static const double SUFFICIENT_FEETXS = 1;
// Minimum and Maximum values for tracking feerates
static const double MIN_FEERATE = 10;
static constexpr double MIN_FEERATE = 10;
static const double MAX_FEERATE = 1e7;
static const double INF_FEERATE = MAX_MONEY;
static const double INF_PRIORITY = 1e9 * MAX_MONEY;

View file

@ -1077,7 +1077,7 @@ CFeeRate CTxMemPool::GetMinFee(size_t sizelimit) const {
rollingMinimumFeeRate = rollingMinimumFeeRate / pow(2.0, (time - lastRollingFeeUpdate) / halflife);
lastRollingFeeUpdate = time;
if (rollingMinimumFeeRate < minReasonableRelayFee.GetFeePerK() / 2) {
if (rollingMinimumFeeRate < (double)minReasonableRelayFee.GetFeePerK() / 2) {
rollingMinimumFeeRate = 0;
return CFeeRate(0);
}