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Don't rely on a finite upper bound on fee rate or priority.

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Signed-off-by: Daira Hopwood <daira@jacaranda.org>
This commit is contained in:
Daira Hopwood
2017-04-09 23:29:10 +01:00
parent f630519d86
commit 0090c64534
3 changed files with 43 additions and 9 deletions
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22
src/policy/fees.cpp
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@@ -16,10 +16,14 @@ void TxConfirmStats::Initialize(std::vector<double>& defaultBuckets,
{
decay = _decay;
dataTypeString = _dataTypeString;
for (unsigned int i = 0; i < defaultBuckets.size(); i++) {
buckets.push_back(defaultBuckets[i]);
bucketMap[defaultBuckets[i]] = i;
buckets.insert(buckets.end(), defaultBuckets.begin(), defaultBuckets.end());
buckets.push_back(std::numeric_limits<double>::infinity());
for (unsigned int i = 0; i < buckets.size(); i++) {
bucketMap[buckets[i]] = i;
}
confAvg.resize(maxConfirms);
curBlockConf.resize(maxConfirms);
unconfTxs.resize(maxConfirms);
@@ -49,13 +53,19 @@ void TxConfirmStats::ClearCurrent(unsigned int nBlockHeight)
}
}
unsigned int TxConfirmStats::FindBucketIndex(double val)
{
auto it = bucketMap.lower_bound(val);
assert(it != bucketMap.end());
return it->second;
}
void TxConfirmStats::Record(int blocksToConfirm, double val)
{
// blocksToConfirm is 1-based
if (blocksToConfirm < 1)
return;
unsigned int bucketindex = bucketMap.lower_bound(val)->second;
unsigned int bucketindex = FindBucketIndex(val);
for (size_t i = blocksToConfirm; i <= curBlockConf.size(); i++) {
curBlockConf[i - 1][bucketindex]++;
}
@@ -246,7 +256,7 @@ void TxConfirmStats::Read(CAutoFile& filein)
unsigned int TxConfirmStats::NewTx(unsigned int nBlockHeight, double val)
{
unsigned int bucketindex = bucketMap.lower_bound(val)->second;
unsigned int bucketindex = FindBucketIndex(val);
unsigned int blockIndex = nBlockHeight % unconfTxs.size();
unconfTxs[blockIndex][bucketindex]++;
LogPrint("estimatefee", "adding to %s", dataTypeString);
@@ -306,7 +316,6 @@ CBlockPolicyEstimator::CBlockPolicyEstimator(const CFeeRate& _minRelayFee)
for (double bucketBoundary = minTrackedFee.GetFeePerK(); bucketBoundary <= MAX_FEERATE; bucketBoundary *= FEE_SPACING) {
vfeelist.push_back(bucketBoundary);
}
vfeelist.push_back(INF_FEERATE);
feeStats.Initialize(vfeelist, MAX_BLOCK_CONFIRMS, DEFAULT_DECAY, "FeeRate");
minTrackedPriority = AllowFreeThreshold() < MIN_PRIORITY ? MIN_PRIORITY : AllowFreeThreshold();
@@ -314,7 +323,6 @@ CBlockPolicyEstimator::CBlockPolicyEstimator(const CFeeRate& _minRelayFee)
for (double bucketBoundary = minTrackedPriority; bucketBoundary <= MAX_PRIORITY; bucketBoundary *= PRI_SPACING) {
vprilist.push_back(bucketBoundary);
}
vprilist.push_back(INF_PRIORITY);
priStats.Initialize(vprilist, MAX_BLOCK_CONFIRMS, DEFAULT_DECAY, "Priority");
feeUnlikely = CFeeRate(0);