public TransactionBroadcastEntry GetTransaction(uint256 transactionHash)
{
TransactionBroadcastEntry txEntry = this.Broadcasts.FirstOrDefault(x => x.Transaction.GetHash() == transactionHash);
if (txEntry == default(TransactionBroadcastEntry))
{
return(null);
}
return(txEntry);
}
public void AddOrUpdate(Transaction transaction, State state)
{
TransactionBroadcastEntry broadcastEntry = this.Broadcasts.FirstOrDefault(x => x.Transaction.GetHash() == transaction.GetHash());
if (broadcastEntry == null)
{
broadcastEntry = new TransactionBroadcastEntry(transaction, state);
this.Broadcasts.Add(broadcastEntry);
this.OnTransactionStateChanged(broadcastEntry);
}
else if (broadcastEntry.State != state)
{
broadcastEntry.State = state;
this.OnTransactionStateChanged(broadcastEntry);
}
}
protected async Task ProcessGetDataPayloadAsync(INetworkPeer peer, GetDataPayload getDataPayload)
{
// If node asks for tx we want to broadcast.
foreach (InventoryVector inv in getDataPayload.Inventory.Where(x => x.Type == InventoryType.MSG_TX))
{
TransactionBroadcastEntry txEntry = this.broadcasterManager.GetTransaction(inv.Hash);
if ((txEntry != null) && (txEntry.State != State.CantBroadcast))
{
await peer.SendMessageAsync(new TxPayload(txEntry.Transaction)).ConfigureAwait(false);
if (txEntry.State == State.ToBroadcast)
{
this.broadcasterManager.AddOrUpdate(txEntry.Transaction, State.Broadcasted);
}
}
}
}
public void AddOrUpdate(Transaction transaction, State state)
{
var newEntry = new TransactionBroadcastEntry(transaction, state);
TransactionBroadcastEntry oldEntry = this.Broadcasts.FirstOrDefault(x => x.Transaction.GetHash() == transaction.GetHash());
if (oldEntry == default(TransactionBroadcastEntry))
{
this.Broadcasts.Add(newEntry);
OnTransactionStateChanged(newEntry);
}
else
{
if (oldEntry.State != state)
{
this.Broadcasts.TryRemove(oldEntry);
this.Broadcasts.Add(newEntry);
OnTransactionStateChanged(newEntry);
}
}
}
public void OnTransactionStateChanged(TransactionBroadcastEntry entry)
{
TransactionStateChanged?.Invoke(this, entry);
}
protected bool IsPropagated(Transaction transaction)
{
TransactionBroadcastEntry broadcastEntry = this.GetTransaction(transaction.GetHash());
return(broadcastEntry != null && broadcastEntry.State == State.Propagated);
}
