private List <TransactionInformation> Filter(ICollection <RPCWalletEntry> entries, bool includeUnconf, Script scriptPubKey)
{
List <TransactionInformation> results = new List <TransactionInformation>();
HashSet <uint256> resultsSet = new HashSet <uint256>();
foreach (var obj in entries)
{
//May have duplicates
if (!resultsSet.Contains(obj.TransactionId))
{
var confirmations = obj.Confirmations;
var tx = _Cache.GetTransaction(obj.TransactionId);
if (tx == null || (!includeUnconf && confirmations == 0))
{
continue;
}
if (tx.Outputs.Any(o => o.ScriptPubKey == scriptPubKey) ||
tx.Inputs.Any(o => o.ScriptSig.GetSigner().ScriptPubKey == scriptPubKey))
{
resultsSet.Add(obj.TransactionId);
results.Add(new TransactionInformation()
{
Transaction = tx,
Confirmations = confirmations
});
}
}
}
return(results);
}
private bool IsDoubleSpend(Transaction tx)
{
var spentInputs = new HashSet <OutPoint>(tx.Inputs.Select(txin => txin.PrevOut));
foreach (var entry in _Cache.GetEntries())
{
if (entry.Confirmations > 0)
{
var walletTransaction = _Cache.GetTransaction(entry.TransactionId);
foreach (var input in walletTransaction.Inputs)
{
if (spentInputs.Contains(input.PrevOut))
{
return(true);
}
}
}
}
return(false);
}