private IEnumerable <MempoolPersistenceEntry> CreateTestEntries(int numTx)
{
var entries = new List <TxMempoolEntry>(numTx);
for (int i = 0; i < numTx; i++)
{
var amountSat = 10 * i;
Transaction tx = this.MakeRandomTx(amountSat);
var entry = new TxMempoolEntry(tx, Money.FromUnit(0.1m, MoneyUnit.MilliBTC), DateTimeOffset.Now.ToUnixTimeSeconds(), i * 100, i, amountSat, i == 0, 10, null, new PowConsensusOptions());
entry.UpdateFeeDelta(numTx - i);
entries.Add(entry);
}
return(entries.Select(entry => MempoolPersistenceEntry.FromTxMempoolEntry(entry)));
}
public void SaveStreamTest()
{
int numTx = 22;
int expectedLinesPerTransaction = 3;
int expectedHeaderLines = 2;
int expectedLines = numTx * expectedLinesPerTransaction + expectedHeaderLines;
var settings = new NodeSettings(this.network, args: new string[] { $"-datadir={ Path.Combine(this.dir, "SaveStreamTest") }" });
var persistence = new MempoolPersistence(settings, new LoggerFactory());
IEnumerable <MempoolPersistenceEntry> toSave = this.CreateTestEntries(numTx);
List <MempoolPersistenceEntry> loaded;
long actualStreamLength = 0;
ulong actualVersion = 0;
long actualCount = -1;
using (var ms = new MemoryStream())
{
persistence.DumpToStream(settings.Network, toSave, ms);
actualStreamLength = ms.Length;
ms.Seek(0, SeekOrigin.Begin);
var bitcoinReader = new BitcoinStream(ms, false)
{
ConsensusFactory = settings.Network.Consensus.ConsensusFactory
};
bitcoinReader.ReadWrite(ref actualVersion);
bitcoinReader.ReadWrite(ref actualCount);
loaded = new List <MempoolPersistenceEntry>();
for (int i = 0; i < actualCount; i++)
{
MempoolPersistenceEntry entry = default(MempoolPersistenceEntry);
bitcoinReader.ReadWrite(ref entry);
loaded.Add(entry);
}
}
Assert.True(actualStreamLength > 0);
Assert.Equal(MempoolPersistence.MempoolDumpVersion, actualVersion);
Assert.Equal(numTx, actualCount);
Assert.Equal(loaded, toSave.ToArray());
}
public void SaveStreamTest()
{
int numTx = 22;
int expectedLinesPerTransaction = 3;
int expectedHeaderLines = 2;
int expectedLines = numTx * expectedLinesPerTransaction + expectedHeaderLines;
var settings = NodeSettings.Default();
settings.DataDir = Path.Combine(this.dir, "SaveStreamTest");
MempoolPersistence persistence = new MempoolPersistence(settings, new LoggerFactory());
IEnumerable <MempoolPersistenceEntry> toSave = CreateTestEntries(numTx);
List <MempoolPersistenceEntry> loaded;
long actualStreamLength = 0;
ulong actualVersion = 0;
long actualCount = -1;
using (MemoryStream ms = new MemoryStream())
{
persistence.DumpToStream(toSave, ms);
actualStreamLength = ms.Length;
ms.Seek(0, SeekOrigin.Begin);
var bitcoinReader = new BitcoinStream(ms, false);
bitcoinReader.ReadWrite(ref actualVersion);
bitcoinReader.ReadWrite(ref actualCount);
loaded = new List <MempoolPersistenceEntry>();
for (int i = 0; i < actualCount; i++)
{
MempoolPersistenceEntry entry = default(MempoolPersistenceEntry);
bitcoinReader.ReadWrite(ref entry);
loaded.Add(entry);
}
}
Assert.True(actualStreamLength > 0);
Assert.Equal(MempoolPersistence.MEMPOOL_DUMP_VERSION, actualVersion);
Assert.Equal(numTx, actualCount);
Assert.Equal(loaded, toSave.ToArray());
}
