internal bool EnqueueScan(NBXplorerNetwork network, DerivationStrategyBase derivationScheme, ScanUTXOSetOptions options)
{
var workItem = new ScanUTXOWorkItem(network, derivationScheme)
{
State = new ScanUTXOInformation()
{
Status = ScanUTXOStatus.Queued,
QueuedAt = DateTimeOffset.UtcNow
},
Options = options
};
var value = _Progress.AddOrUpdate(workItem.Id, workItem, (k, existing) => existing.Finished ? workItem : existing);
if (value != workItem)
{
return(false);
}
if (!_Channel.Writer.TryWrite(workItem.Id))
{
_Progress.TryRemove(workItem.Id, out var unused);
return(false);
}
CleanProgressList();
return(true);
}
private ScannedItems GetScannedItems(ScanUTXOWorkItem workItem, ScanUTXOProgress progress)
{
var items = new ScannedItems();
var derivationStrategy = workItem.DerivationStrategy;
foreach (var feature in workItem.Options.DerivationFeatures)
{
var path = DerivationStrategyBase.GetKeyPath(feature);
var lineDerivation = workItem.DerivationStrategy.DerivationStrategy.GetLineFor(feature);
Enumerable.Range(progress.From, progress.Count)
.Select(index =>
{
var derivation = lineDerivation.Derive((uint)index);
var info = new KeyPathInformation()
{
ScriptPubKey = derivation.ScriptPubKey,
Redeem = derivation.Redeem,
TrackedSource = derivationStrategy,
DerivationStrategy = derivationStrategy.DerivationStrategy,
Feature = feature,
KeyPath = path.Derive(index, false)
};
items.Descriptors.Add(new ScanTxoutSetObject(ScanTxoutDescriptor.Raw(info.ScriptPubKey)));
items.KeyPathInformations.TryAdd(info.ScriptPubKey, info);
return(info);
}).All(_ => true);
}
Logs.Explorer.LogInformation($"{workItem.Network.CryptoCode}: Start scanning batch {progress.BatchNumber} of {workItem.DerivationStrategy.ToPrettyString()} from index {progress.From}");
return(items);
}
private ScannedItems GetScannedItems(ScanUTXOWorkItem workItem, ScanUTXOProgress progress, NBXplorerNetwork network)
{
var items = new ScannedItems();
var derivationStrategy = workItem.DerivationStrategy;
foreach (var feature in keyPathTemplates.GetSupportedDerivationFeatures())
{
var keyPathTemplate = keyPathTemplates.GetKeyPathTemplate(feature);
var lineDerivation = workItem.DerivationStrategy.DerivationStrategy.GetLineFor(keyPathTemplate);
Enumerable.Range(progress.From, progress.Count)
.Select(index =>
{
var derivation = lineDerivation.Derive((uint)index);
var info = new KeyPathInformation(derivation, derivationStrategy, feature,
keyPathTemplate.GetKeyPath(index, false), network);
items.Descriptors.Add(new ScanTxoutSetObject(ScanTxoutDescriptor.Raw(info.ScriptPubKey)));
items.KeyPathInformations.TryAdd(info.ScriptPubKey, info);
return(info);
}).All(_ => true);
}
Logs.Explorer.LogInformation($"{workItem.Network.CryptoCode}: Start scanning batch {progress.BatchNumber} of {workItem.DerivationStrategy.ToPrettyString()} from index {progress.From}");
return(items);
}
