private void Peer_NewMessage(object sender, Message message)
{
if (ProcessedMessages.Contains(message))
{
return;
}
ProcessedMessages.Add(message);
Console.Write($"{Name} received message: ");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(message);
Console.ResetColor();
NewMessage?.Invoke(this, message);
if (message.Type == MessageType.PublicKey)
{
var pubKey = new PubKey(message.GetDataString());
AllPubKeys.Add(pubKey);
if (AllPubKeys.Count == RequiredPeerCount)
{
// every participant (say participant i in a predefined shuffling
// order) uses the encryption keys of every participant j > i to create a layered
// encryption of her output address.
string onion = OnionEncrypt(AllPubKeys, OutputScript.ToString());
Broadcast(new Message(MessageType.Onions, onion));
}
}
else if (message.Type == MessageType.Onions)
{
var onions = message.GetDataCollection();
if (onions.Count() == 1)
{
Onions.Add(onions.Single());
if (Onions.Count == RequiredPeerCount)
{
if (SecretKey.CanDecrypt(Onions.First()))
{
var stripped = Decrypt(SecretKey, Onions).ToList();
stripped.Shuffle();
Broadcast(new Message(MessageType.Onions, stripped));
}
}
}
else if (SecretKey.CanDecrypt(onions.First()))
{
var stripped = Decrypt(SecretKey, onions).ToList();
stripped.Shuffle();
if (NBitcoinHelpers.IsScript(stripped.First()))
{
Broadcast(new Message(MessageType.ShuffledScripts, stripped));
}
else
{
Broadcast(new Message(MessageType.Onions, stripped));
}
}
}
}
