protected override void OnReceived(byte[] buffer, long offset, long size)
{
byte[] remaining = new byte[size];
Array.Copy(buffer, remaining, size);
Log.Debug("[{SessionId}] RECV: {Bytes}", Id, remaining.GetPrintableBytes());
// Legacy packet
if (remaining[0] == 0xfe)
{
Disconnect();
return;
}
while (true)
{
int packetLength = VarInt.Decode(remaining, out remaining);
byte[] packet = new byte[packetLength];
Array.Copy(remaining, packet, packetLength);
PacketBuffer.Enqueue(packet);
remaining = remaining.Skip(packetLength).ToArray();
if (remaining.Length == 0)
{
break;
}
}
}
public void ReadStream(BinaryReader br)
{
magicId = br.ReadUInt32();
size = br.ReadUInt32();
version = br.ReadUInt32();
byte[] hexPrevBlockHash = br.ReadBytes(32);
prevBlockHash = new Hash(hexPrevBlockHash);
byte[] hexMerkleRootHash = br.ReadBytes(32);
merkleRootHash = new Hash(hexMerkleRootHash);
timestamp = br.ReadUInt32();
creationTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc).
AddSeconds(timestamp).ToLocalTime();
targetDifficulty = br.ReadUInt32();
nonce = br.ReadUInt32();
blockHash = GetBlockHash();
VarInt.Decode(br, out firstVarIntByteNTxns, out nTxns);
txns = Util.InstantiateArrayOf <Transaction>(nTxns);
for (UInt64 i = 0; i < nTxns; ++i)
{
txns[i].ReadStream(br);
}
}
public void ReadStream(BinaryReader br) {
VarInt.Decode(br, out firstVarIntByteNItems, out nStackItems);
stackItems = Util.InstantiateArrayOf<StackItem>(nStackItems);
for (int i = 0; i < stackItems.Length; ++i) {
stackItems[i].ReadStream(br);
}
}
public void ReadStream(BinaryReader br)
{
VarInt.Decode(br, out firstVarIntByteLength, out itemLength);
item = Util.InstantiateArrayOf <byte>(itemLength);
for (int i = 0; i < item.Length; ++i)
{
item[i] = br.ReadByte();
}
}
private void NetworkLoop()
{
_server.Start();
while (!TridentMc.Instance.State.IsShuttingDown)
{
Thread.Sleep(1);
foreach (var session in Sessions)
{
while (session.PacketBuffer.Count > 0)
{
var packet = session.PacketBuffer.Dequeue();
if (session.UsesCompression)
{
throw new NotYetImplemented("Compression isn't implemented yet");
}
else
{
var packetId = VarInt.Decode(packet, out packet);
Log.Debug("[{SessionId}] Packet {PacketId} with state being {State}", session.Id, packetId, session.ConnectionState);
var serverPacket = _packetManager.CreateServerPacket(session.ConnectionState, packetId, packet);
if (serverPacket == null)
{
Log.Debug("[{SessionId}] -> Unknown packet", session.Id);
session.Disconnect();
break;
}
Type packetReceivedType = typeof(PacketReceived <>).MakeGenericType(serverPacket.GetType());
object[] args = { serverPacket, session };
TridentMc.Instance.EventManager.FireEvent((IEvent)Activator.CreateInstance(packetReceivedType, args));
if (serverPacket is IChangesState stateChangePacket)
{
Log.Debug("[{SessionId}] Changing state to {NewState}", session.Id, stateChangePacket.NextState);
session.ConnectionState = stateChangePacket.NextState;
}
serverPacket.Handle(session);
}
}
}
}
}
private static void Main(string[] args)
{
//Key Generation
const string privKeyHex = "E9873D79C6D87DC0FB6A5778633389F4453213303DA61F20BD67FC233AA33262";
BigInteger privateKey = Hex.HexToBigInteger(privKeyHex);
ECPoint publicKey = Secp256k1.G.Multiply(privateKey);
string bitcoinAddressUncompressed = publicKey.GetBitcoinAddress(false);
string bitcoinAddressCompressed = publicKey.GetBitcoinAddress(compressed: true);
Console.WriteLine("PrivateKey (Hex): {0}", privateKey.ToHex());
Console.WriteLine("Address (Uncompressed): {0}", bitcoinAddressUncompressed);
Console.WriteLine("Address (Compressed): {0}", bitcoinAddressCompressed);
uint value = 268435263;
var varInt = new VarInt(value); //create VarInt from Integer
Console.WriteLine("VarInt Internal Value: {0}", varInt.Value);
Console.WriteLine("VarInt (hex): 0x{0:X}", varInt.Value);
value = value ^ 2;
byte[] varIntBytes = VarInt.Encode(value);
Console.WriteLine("VarInt Static Encode & Decode test for value: {0}", value);
Console.WriteLine("VarInt Encoded (hex): {0}", varIntBytes.ToHex());
Console.WriteLine("Value Decoded: {0}", VarInt.Decode(varIntBytes));
// encryption
ECEncryption encryption = new ECEncryption();
const string message = "This is my encrypted message";
byte[] encrypted = encryption.Encrypt(publicKey, message);
byte[] decrypted = encryption.Decrypt(privateKey, encrypted);
string decryptedMessage = Encoding.UTF8.GetString(decrypted);
// signing
MessageSignerVerifier messageSigner = new MessageSignerVerifier();
SignedMessage signedMessage = messageSigner.Sign(privateKey, "Test Message to sign, you can verify this on http://brainwallet.org/#verify");
bool verified = messageSigner.Verify(signedMessage);
Console.WriteLine("Press Any Key ...");
Console.ReadKey();
}
public void ReadStream(BinaryReader br)
{
versionNum = br.ReadUInt32();
isSegwit = CheckForSegwitFlag(br);
VarInt.Decode(br, out firstVarIntByteNInputs, out nInputs);
inputs = Util.InstantiateArrayOf <InputTxn>(nInputs);
for (int i = 0; i < inputs.Length; ++i)
{
inputs[i].ReadStream(br);
}
VarInt.Decode(br, out firstVarIntByteNOutputs, out nOutputs);
outputs = Util.InstantiateArrayOf <OutputTxn>(nOutputs);
for (int i = 0; i < outputs.Length; ++i)
{
outputs[i].ReadStream(br);
}
if (isSegwit)
{
witnesses = Util.InstantiateArrayOf <Witness>(nInputs);
for (int i = 0; i < witnesses.Length; ++i)
{
witnesses[i].ReadStream(br);
}
}
lockTime = br.ReadUInt32();
foreach (var output in outputs)
{
output.destinationAddress = Script.ExtractDestination(output);
}
txId = GetTxId();
}
public void ReadStream(BinaryReader br)
{
byte[] hexTxnHash = new byte[32];
hexTxnHash = br.ReadBytes(32);
txnHash = new Hash(hexTxnHash);
vout = br.ReadUInt32();
if (vout == 0xFFFFFFFF)
{
vout = 0x11111111;
}
VarInt.Decode(br, out firstVarIntByteScriptLength, out inputScriptLength);
inputScript = Util.InstantiateArrayOf <byte>(inputScriptLength);
for (int i = 0; i < inputScript.Length; ++i)
{
inputScript[i] = br.ReadByte();
}
sequenceNum = br.ReadUInt32();
}
public int ReadVarint()
{
return(VarInt.Decode(_buffer, out _buffer));
}
public void ReadStream(BinaryReader br)
{
value = br.ReadUInt64();
VarInt.Decode(br, out firstVarIntByteScriptLength, out outputScriptLength);
scriptPubKey = new ScriptPubKey(br, outputScriptLength);
}