/// <summary>
/// Loads a collection of memory pool transactions from a persistence stream.
/// </summary>
/// <param name="stream">Stream to load transactions from.</param>
/// <returns>Collection of memory pool transactions.</returns>
internal IEnumerable <MempoolPersistenceEntry> LoadFromStream(Network network, Stream stream)
{
var toReturn = new List <MempoolPersistenceEntry>();
ulong version = 0;
long numEntries = -1;
var bitcoinReader = new BitcoinStream(stream, false);
bitcoinReader.ConsensusFactory = network.Consensus.ConsensusFactory;
bool exitWithError = false;
try
{
bitcoinReader.ReadWrite(ref version);
if (version != MempoolDumpVersion)
{
this.mempoolLogger.LogWarning($"Memorypool data is wrong version ({version}) aborting.");
return(null);
}
bitcoinReader.ReadWrite(ref numEntries);
}
catch
{
this.mempoolLogger.LogWarning($"Memorypool data is corrupt at header, aborting.");
return(null);
}
for (int i = 0; i < numEntries && !exitWithError; i++)
{
MempoolPersistenceEntry entry = default(MempoolPersistenceEntry);
try
{
bitcoinReader.ReadWrite(ref entry);
}
catch
{
this.mempoolLogger.LogWarning($"Memorypool data is corrupt at item {i + 1}, aborting.");
return(null);
}
toReturn.Add(entry);
}
return(toReturn);
}
/// <inheritdoc />
public MemPoolSaveResult Save(Network network, ITxMempool memPool, string fileName = null)
{
fileName = fileName ?? DefaultFilename;
IEnumerable <MempoolPersistenceEntry> toSave = memPool.MapTx.Values.ToArray().Select(tx => MempoolPersistenceEntry.FromTxMempoolEntry(tx));
return(this.Save(network, toSave, fileName));
}