private async Task AnalyzeTransaction(MemoryPoolTransaction t)
{
try
{
var(isSuspicious, susInfo) = MoneroTransactionIdentifier.GetSuspicionData(t);
if (isSuspicious)
{
var message = MoneroTransactionIdentifier.GenerateMessage(susInfo);
_logger.LogInformation(message);
await _twitterPoster.PostAsync(message).ConfigureAwait(false);
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
private static ViolationData GetViolationData(MemoryPoolTransaction tx, MemoryPoolTransactionJsonDecoding json)
{
ViolationData vd = new();
if (tx.DoubleSpendSeen)
{
vd.IsDoubleSpend = true;
}
if (json.UnlockTime >= SuspicionThresholds.UnlockTime)
{
vd.UnlockTimeViolation = true;
}
if (json.RingSignature.Fee >= SuspicionThresholds.Fee)
{
vd.FeeViolation = true;
}
int bitCpunt = json.Extra.Count * 8;
if (bitCpunt >= 500)
{
vd.NonDefaultExtraField = true;
}
return(vd);
}
private static (SuspicionDegree Degree, SuspicionData SuspicionData) GetSuspicionDegree(MemoryPoolTransaction tx)
{
// Lets drill down into the information...
var json = JsonSerializer.Deserialize <MemoryPoolTransactionJsonDecoding>(tx.AsJson, null);
var vd = GetViolationData(tx, json);
uint score = GetViolationScore(vd);
var degree = SuspicionDegreeCalculator.GetSuspicionDegree(score);
SuspicionData suspicionData = null;
bool isSuspicious = IsSuspicious(degree);
if (isSuspicious)
{
suspicionData = new SuspicionData(tx.TxHash, degree)
{
ViolationData = vd,
UnlockTime = json.UnlockTime,
Fee = json.RingSignature.Fee,
}
}
;
return(degree, suspicionData);
}
public static (bool IsSuspicious, SuspicionData Information) GetSuspicionData(MemoryPoolTransaction tx)
{
var susInfo = GetSuspicionDegree(tx);
return(susInfo.SuspicionData != default, susInfo.SuspicionData);
}
