/// <summary>
/// Saves the memory pool to persistent storage.
/// </summary>
/// <returns>Memory pool save result.</returns>
internal MemPoolSaveResult SavePool()
{
if (this.mempoolPersistence == null)
{
this.logger.LogTrace("(-)[NON_SUCCESS]");
return(MemPoolSaveResult.NonSuccess);
}
MemPoolSaveResult saveResult = this.mempoolPersistence.Save(this.network, this.memPool);
return(saveResult);
}
/// <inheritdoc />
public override void Dispose()
{
this.logger.LogInformation("Saving Memory Pool.");
MemPoolSaveResult result = this.mempoolManager.SavePool();
if (result.Succeeded)
{
this.logger.LogInformation($"Memory Pool Saved {result.TrxSaved} transactions");
}
else
{
this.logger.LogWarning("Memory Pool Not Saved!");
}
this.mempoolSignaled.Stop();
}
/// <inheritdoc />
public override void Stop()
{
if (this.mempoolManager != null)
{
this.mempoolLogger.LogInformation("Saving Memory Pool...");
MemPoolSaveResult result = this.mempoolManager.SavePool();
if (result.Succeeded)
{
this.mempoolLogger.LogInformation($"...Memory Pool Saved {result.TrxSaved} transactions");
}
else
{
this.mempoolLogger.LogWarning("...Memory Pool Not Saved!");
}
}
}
/// <summary>
/// Saves a list of memory pool transaction entries to a persistence file.
/// </summary>
/// <param name="network">The blockchain network.</param>
/// <param name="toSave">List of persistence transactions to save.</param>
/// <param name="fileName">The filename to persist transactions to.</param>
/// <returns>The save result.</returns>
internal MemPoolSaveResult Save(Network network, IEnumerable <MempoolPersistenceEntry> toSave, string fileName)
{
Guard.NotEmpty(this.dataDir, nameof(this.dataDir));
Guard.NotEmpty(fileName, nameof(fileName));
string filePath = Path.Combine(this.dataDir, fileName);
string tempFilePath = $"{fileName}.new";
if (Directory.Exists(this.dataDir))
{
try
{
if (!toSave.Any())
{
File.Delete(filePath);
}
else
{
using (var fs = new FileStream(tempFilePath, FileMode.Create))
{
this.DumpToStream(network, toSave, fs);
}
File.Delete(filePath);
File.Move(tempFilePath, filePath);
}
return(MemPoolSaveResult.Success((uint)toSave.LongCount()));
}
catch (Exception ex)
{
this.mempoolLogger.LogError(ex.Message);
throw;
}
}
return(MemPoolSaveResult.NonSuccess);
}