public void GetAncestors(MemoryPoolRecord memPoolRecord, List <MemoryPoolRecord> records)
{
if (memPoolRecord == null)
{
throw new ArgumentNullException(nameof(memPoolRecord));
}
if (memPoolRecord.ParentMemoryPool != null)
{
records.Add(memPoolRecord.ParentMemoryPool);
GetAncestors(memPoolRecord.ParentMemoryPool, records);
}
}
public int CountAncestors(MemoryPoolRecord memPoolRecord)
{
if (memPoolRecord == null)
{
throw new ArgumentNullException(nameof(memPoolRecord));
}
var ancestors = new List <MemoryPoolRecord>();
GetAncestors(memPoolRecord, ancestors);
if (ancestors == null)
{
return(1);
}
return(ancestors.Count() + 1);
}
public int CountDescendants(MemoryPoolRecord memPoolRecord)
{
if (memPoolRecord == null)
{
throw new ArgumentNullException(nameof(memPoolRecord));
}
if (memPoolRecord.Transaction == null)
{
throw new ArgumentNullException(nameof(memPoolRecord.Transaction));
}
var descendants = new List <MemoryPoolRecord>();
GetDescendants(memPoolRecord, descendants);
if (descendants == null)
{
return(1);
}
return(descendants.Count() + 1);
}
public void AddTransaction(BaseTransaction transaction, int blockHeight)
{
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
var record = new MemoryPoolRecord(transaction, DateTime.UtcNow, blockHeight);
var noneCoinBaseTx = transaction as NoneCoinbaseTransaction;
if (noneCoinBaseTx != null)
{
var txIn = noneCoinBaseTx.TransactionIn.First() as TransactionInNoneCoinbase;
var parent = GetUnspentMemoryRecord(txIn.Outpoint.Hash, txIn.Outpoint.Index);
if (parent != null)
{
record.ParentMemoryPool = parent;
}
}
_transactions.Add(record);
}
public void GetDescendants(MemoryPoolRecord memPoolRecord, List <MemoryPoolRecord> records)
{
if (memPoolRecord == null)
{
throw new ArgumentNullException(nameof(memPoolRecord));
}
if (memPoolRecord.Transaction == null)
{
throw new ArgumentNullException(nameof(memPoolRecord.Transaction));
}
var transaction = memPoolRecord.Transaction as BcBaseTransaction;
if (transaction != null && transaction.TransactionOut != null && transaction.TransactionOut.Any())
{
var txs = _transactions.Where(t =>
{
var noneCbTx = t.Transaction as NoneCoinbaseTransaction;
if (noneCbTx == null)
{
return(false);
}
var txIn = noneCbTx.TransactionIn.First() as TransactionInNoneCoinbase;
return(txIn.Outpoint.Hash.SequenceEqual(transaction.GetTxId()));
});
if (txs == null || !txs.Any())
{
return;
}
records.AddRange(txs);
foreach (var m in txs)
{
GetDescendants(m, records);
}
}
}