/// <summary>
/// Constructs an instance of the block policy estimator object.
/// </summary>
/// <param name="mempoolSettings">Mempool settings.</param>
/// <param name="loggerFactory">Factory for creating loggers.</param>
/// <param name="nodeSettings">Full node settings.</param>
public BlockPolicyEstimator(ILoggerFactory loggerFactory, NodeSettings nodeSettings)
{
this.lockObject = new object();
this.logger = loggerFactory.CreateLogger(this.GetType().FullName);
this.mapMemPoolTxs = new Dictionary <uint256, TxStatsInfo>();
this.buckets = new List <double>();
this.bucketMap = new SortedDictionary <double, int>();
this.nBestSeenHeight = 0;
this.firstRecordedHeight = 0;
this.historicalFirst = 0;
this.historicalBest = 0;
this.trackedTxs = 0;
this.untrackedTxs = 0;
int bucketIndex = 0;
for (double bucketBoundary = nodeSettings.MinRelayTxFeeRate.FeePerK.Satoshi; bucketBoundary <= MaxBucketFeeRate; bucketBoundary *= FeeSpacing, bucketIndex++)
{
this.buckets.Add(bucketBoundary);
this.bucketMap.Add(bucketBoundary, bucketIndex);
}
this.buckets.Add(InfFeeRate);
this.bucketMap.Add(InfFeeRate, bucketIndex);
Guard.Assert(this.bucketMap.Count == this.buckets.Count);
this.feeStats = new TxConfirmStats(this.logger);
this.feeStats.Initialize(this.buckets, this.bucketMap, MedBlockPeriods, MedDecay, MedScale);
this.shortStats = new TxConfirmStats(this.logger);
this.shortStats.Initialize(this.buckets, this.bucketMap, ShortBlockPeriods, ShortDecay, ShortScale);
this.longStats = new TxConfirmStats(this.logger);
this.longStats.Initialize(this.buckets, this.bucketMap, LongBlockPeriods, LongDecay, LongScale);
this.fileStorage = new FileStorage <BlockPolicyData>(nodeSettings.DataFolder.WalletPath);
}
/// <summary>
/// Read estimation data from a file.
/// </summary>
/// <param name="filein">Stream to read data from.</param>
/// <param name="nFileVersion">Version number of the file.</param>
public bool Read()
{
try
{
lock (this.lockObject)
{
if (!this.fileStorage.Exists(FileName))
{
return(true);
}
var data = this.fileStorage.LoadByFileName(FileName);
if (data == null)
{
throw new ApplicationException("Corrupt estimates file or file not found");
}
if (data.HistoricalFirst > data.HistoricalBest || data.HistoricalBest > data.BestSeenHeight)
{
throw new ApplicationException("Corrupt estimates file. Historical block range for estimates is invalid");
}
if (data.Buckets.Count <= 1 || data.Buckets.Count > 1000)
{
throw new ApplicationException("Corrupt estimates file. Must have between 2 and 1000 feerate buckets");
}
this.nBestSeenHeight = data.BestSeenHeight;
this.historicalFirst = data.HistoricalFirst;
this.historicalBest = data.HistoricalBest;
this.buckets = data.Buckets;
this.bucketMap = new SortedDictionary <double, int>();
for (int i = 0; i < this.buckets.Count; i++)
{
this.bucketMap.Add(this.buckets[i], i);
}
this.feeStats = new TxConfirmStats(this.logger);
this.feeStats.Initialize(this.buckets, this.bucketMap, MedBlockPeriods, MedDecay, MedScale);
this.feeStats.Read(data.MedStats);
this.shortStats = new TxConfirmStats(this.logger);
this.shortStats.Initialize(this.buckets, this.bucketMap, ShortBlockPeriods, ShortDecay, ShortScale);
this.shortStats.Read(data.ShortStats);
this.longStats = new TxConfirmStats(this.logger);
this.longStats.Initialize(this.buckets, this.bucketMap, LongBlockPeriods, LongDecay, LongScale);
this.longStats.Read(data.LongStats);
}
}
catch (Exception e)
{
this.logger.LogError("Error while reading policy estimation data from file", e);
return(false);
}
return(true);
}
/// <summary>
/// Constructs an instance of the block policy estimator object.
/// </summary>
/// <param name="mempoolSettings">Mempool settings.</param>
/// <param name="loggerFactory">Factory for creating loggers.</param>
/// <param name="nodeSettings">Full node settings.</param>
public BlockPolicyEstimator(MempoolSettings mempoolSettings, ILoggerFactory loggerFactory, NodeSettings nodeSettings)
{
this.mapMemPoolTxs = new Dictionary <uint256, TxStatsInfo>();
this.mempoolSettings = mempoolSettings;
this.nBestSeenHeight = 0;
this.trackedTxs = 0;
this.untrackedTxs = 0;
this.logger = loggerFactory.CreateLogger(this.GetType().FullName);
this.minTrackedFee = nodeSettings.MinRelayTxFeeRate < new FeeRate(new Money(MinFeeRate))
? new FeeRate(new Money(MinFeeRate))
: nodeSettings.MinRelayTxFeeRate;
var vfeelist = new List <double>();
for (double bucketBoundary = this.minTrackedFee.FeePerK.Satoshi;
bucketBoundary <= MaxFeeRate;
bucketBoundary *= FeeSpacing)
{
vfeelist.Add(bucketBoundary);
}
vfeelist.Add(InfFeeRate);
this.feeStats = new TxConfirmStats(this.logger);
this.feeStats.Initialize(vfeelist, MaxBlockConfirms, DefaultDecay);
}
public BlockPolicyEstimator(FeeRate minRelayFee, NodeSettings nodeArgs, ILoggerFactory loggerFactory)
{
this.mapMemPoolTxs = new Dictionary <uint256, TxStatsInfo>();
this.nodeArgs = nodeArgs;
this.nBestSeenHeight = 0;
this.trackedTxs = 0;
this.untrackedTxs = 0;
this.logger = loggerFactory.CreateLogger(this.GetType().FullName);
this.minTrackedFee = minRelayFee < new FeeRate(new Money(MIN_FEERATE))
? new FeeRate(new Money(MIN_FEERATE))
: minRelayFee;
var vfeelist = new List <double>();
for (double bucketBoundary = this.minTrackedFee.FeePerK.Satoshi;
bucketBoundary <= MAX_FEERATE;
bucketBoundary *= FEE_SPACING)
{
vfeelist.Add(bucketBoundary);
}
vfeelist.Add(INF_FEERATE);
this.feeStats = new TxConfirmStats(this.logger);
this.feeStats.Initialize(vfeelist, MAX_BLOCK_CONFIRMS, DEFAULT_DECAY);
}
