void Transactor::calculateFee ()
{
mFeeDue = STAmount (mEngine->getLedger ()->scaleFeeLoad (calculateBaseFee (), isSetBit (mParams, tapADMIN)));
}
void Transactor::calculateFee()
{
mFeeDue = STAmount(mEngine->getLedger()->scaleFeeLoad(calculateBaseFee()));
}
std::size_t
FeeMetrics::updateFeeMetrics(Application& app,
ReadView const& view, bool timeLeap)
{
std::vector<uint64_t> feeLevels;
std::size_t txnsExpected;
std::size_t mimimumTx;
std::uint32_t escalationMultiplier;
{
std::lock_guard <std::mutex> sl(lock_);
feeLevels.reserve(txnsExpected_);
txnsExpected = txnsExpected_;
mimimumTx = minimumTxnCount_;
escalationMultiplier = escalationMultiplier_;
}
for (auto const& tx : view.txs)
{
auto const baseFee = calculateBaseFee(app, view,
*tx.first, j_);
feeLevels.push_back(getFeeLevelPaid(*tx.first,
baseLevel, baseFee));
}
std::sort(feeLevels.begin(), feeLevels.end());
auto const size = feeLevels.size();
JLOG(j_.debug) << "Ledger " << view.info().seq <<
" has " << size << " transactions. " <<
"Ledgers are processing " <<
(timeLeap ? "slowly" : "as expected") <<
". Expected transactions is currently " <<
txnsExpected << " and multiplier is " <<
escalationMultiplier;
if (timeLeap)
{
// Ledgers are taking to long to process,
// so clamp down on limits.
txnsExpected = boost::algorithm::clamp(feeLevels.size(),
mimimumTx, targetTxnCount_ - 1);
}
else if (feeLevels.size() > txnsExpected ||
feeLevels.size() > targetTxnCount_)
{
// Ledgers are processing in a timely manner,
// so keep the limit high, but don't let it
// grow without bound.
txnsExpected = feeLevels.size();
}
if (feeLevels.empty())
{
escalationMultiplier = minimumMultiplier_;
}
else
{
// In the case of an odd number of elements, this
// evaluates to the middle element; for an even
// number of elements, it will add the two elements
// on either side of the "middle" and average them.
escalationMultiplier = (feeLevels[size / 2] +
feeLevels[(size - 1) / 2] + 1) / 2;
escalationMultiplier = std::max(escalationMultiplier,
minimumMultiplier_);
}
JLOG(j_.debug) << "Expected transactions updated to " <<
txnsExpected << " and multiplier updated to " <<
escalationMultiplier;
std::lock_guard <std::mutex> sl(lock_);
txnsExpected_ = txnsExpected;
escalationMultiplier_ = escalationMultiplier;
return size;
}
