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crate::ix!();
impl BlockPolicyEstimator {
/**
| Read estimation data from a file
|
*/
pub fn read(&mut self, filein: &mut AutoFile) -> bool {
todo!();
/*
try {
LOCK(m_cs_fee_estimator);
int nVersionRequired, nVersionThatWrote;
filein >> nVersionRequired >> nVersionThatWrote;
if (nVersionRequired > CLIENT_VERSION) {
throw std::runtime_error(strprintf("up-version (%d) fee estimate file", nVersionRequired));
}
// Read fee estimates file into temporary variables so existing data
// structures aren't corrupted if there is an exception.
unsigned int nFileBestSeenHeight;
filein >> nFileBestSeenHeight;
if (nVersionRequired < 149900) {
LogPrintf("%s: incompatible old fee estimation data (non-fatal). Version: %d\n", __func__, nVersionRequired);
} else { // New format introduced in 149900
unsigned int nFileHistoricalFirst, nFileHistoricalBest;
filein >> nFileHistoricalFirst >> nFileHistoricalBest;
if (nFileHistoricalFirst > nFileHistoricalBest || nFileHistoricalBest > nFileBestSeenHeight) {
throw std::runtime_error("Corrupt estimates file. Historical block range for estimates is invalid");
}
std::vector<double> fileBuckets;
filein >> Using<VectorFormatter<EncodedDoubleFormatter>>(fileBuckets);
size_t numBuckets = fileBuckets.size();
if (numBuckets <= 1 || numBuckets > 1000) {
throw std::runtime_error("Corrupt estimates file. Must have between 2 and 1000 feerate buckets");
}
std::unique_ptr<TxConfirmStats> fileFeeStats(new TxConfirmStats(buckets, bucketMap, MED_BLOCK_PERIODS, MED_DECAY, MED_SCALE));
std::unique_ptr<TxConfirmStats> fileShortStats(new TxConfirmStats(buckets, bucketMap, SHORT_BLOCK_PERIODS, SHORT_DECAY, SHORT_SCALE));
std::unique_ptr<TxConfirmStats> fileLongStats(new TxConfirmStats(buckets, bucketMap, LONG_BLOCK_PERIODS, LONG_DECAY, LONG_SCALE));
fileFeeStats->Read(filein, nVersionThatWrote, numBuckets);
fileShortStats->Read(filein, nVersionThatWrote, numBuckets);
fileLongStats->Read(filein, nVersionThatWrote, numBuckets);
// Fee estimates file parsed correctly
// Copy buckets from file and refresh our bucketmap
buckets = fileBuckets;
bucketMap.clear();
for (unsigned int i = 0; i < buckets.size(); i++) {
bucketMap[buckets[i]] = i;
}
// Destroy old TxConfirmStats and point to new ones that already reference buckets and bucketMap
feeStats = std::move(fileFeeStats);
shortStats = std::move(fileShortStats);
longStats = std::move(fileLongStats);
nBestSeenHeight = nFileBestSeenHeight;
historicalFirst = nFileHistoricalFirst;
historicalBest = nFileHistoricalBest;
}
}
catch (const std::exception& e) {
LogPrintf("CBlockPolicyEstimator::Read(): unable to read policy estimator data (non-fatal): %s\n",e.what());
return false;
}
return true;
*/
}
}