public void TestShorts()
{
var a = new VarInt(64000);
Assert.AreEqual(3, a.SizeInBytes);
Assert.AreEqual(3, a.Encode().Length);
Assert.AreEqual(64000, new VarInt(a.Encode(), 0).Value);
}
public void TestBytes()
{
var a = new VarInt(10);
Assert.AreEqual(1, a.SizeInBytes);
Assert.AreEqual(1, a.Encode().Length);
Assert.AreEqual(10, new VarInt(a.Encode(), 0).Value);
}
public void TestLong()
{
var a = new VarInt(0xCAFEBABEDEADBEEF);
Assert.AreEqual(9, a.SizeInBytes);
Assert.AreEqual(9, a.Encode().Length);
var bytes = a.Encode();
Assert.AreEqual(0xCAFEBABEDEADBEEF, new VarInt(bytes, 0).Value);
}
public void TestInts()
{
var a = new VarInt(0xAABBCCDD);
Assert.AreEqual(5, a.SizeInBytes);
Assert.AreEqual(5, a.Encode().Length);
var bytes = a.Encode();
Assert.AreEqual(0xAABBCCDD, new VarInt(bytes, 0).Value);
}
public void TestShorts()
{
var a = new VarInt(64000);
Assert.AreEqual(3, a.SizeInBytes);
Assert.AreEqual(3, a.Encode().Length);
Assert.AreEqual(64000UL, new VarInt(a.Encode(), 0).Value);
}
public void TestBytes()
{
var a = new VarInt(10);
Assert.AreEqual(1, a.SizeInBytes);
Assert.AreEqual(1, a.Encode().Length);
Assert.AreEqual(10UL, new VarInt(a.Encode(), 0).Value);
}
public void TestLong()
{
var a = new VarInt(0xCAFEBABEDEADBEEF);
Assert.AreEqual(9, a.SizeInBytes);
Assert.AreEqual(9, a.Encode().Length);
var bytes = a.Encode();
Assert.AreEqual(0xCAFEBABEDEADBEEF, new VarInt(bytes, 0).Value);
}
public void TestInts()
{
var a = new VarInt(0xAABBCCDD);
Assert.AreEqual(5, a.SizeInBytes);
Assert.AreEqual(5, a.Encode().Length);
var bytes = a.Encode();
Assert.AreEqual(0xAABBCCDD, new VarInt(bytes, 0).Value);
}
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 SendPacket(ClientPacket packet)
{
if (UsesCompression)
{
throw new NotYetImplemented("Compression isn't implemented yet");
}
else
{
var packetId = VarInt.Encode(packet.Id);
var encoded = packet.Encode().Bytes;
var length = VarInt.Encode(packetId.Length + encoded.Length);
var data = length.Concat(packetId).Concat(encoded).ToArray();
Log.Debug("[{SessionId}] SEND: {Bytes}", Id, data.GetPrintableBytes());
Send(data);
}
Type packetReceivedType = typeof(PacketSent <>).MakeGenericType(packet.GetType());
object[] args = { packet, this };
TridentMc.Instance.EventManager.FireEvent((IEvent)Activator.CreateInstance(packetReceivedType, args));
}
public void EncodeTest()
{
var vi = new VarInt(0);
var result = vi.Encode().ToArray();
Assert.AreEqual(1, result.Length);
Assert.AreEqual(0, result[0]);
vi = new VarInt(1);
result = vi.Encode().ToArray();
Assert.AreEqual(1, result.Length);
Assert.AreEqual(1, result[0]);
vi = new VarInt(0x7f);
result = vi.Encode().ToArray();
Assert.AreEqual(1, result.Length);
Assert.AreEqual(0x7f, result[0]);
vi = new VarInt(0x80);
result = vi.Encode().ToArray();
Assert.AreEqual(2, result.Length);
Assert.AreEqual(0xC2, result[0]);
Assert.AreEqual(0x80, result[1]);
vi = new VarInt(0x7ff);
result = vi.Encode().ToArray();
Assert.AreEqual(2, result.Length);
Assert.AreEqual(0xDF, result[0]);
Assert.AreEqual(0xBF, result[1]);
vi = new VarInt(0x800);
result = vi.Encode().ToArray();
Assert.AreEqual(3, result.Length);
Assert.AreEqual(0xE0, result[0]);
Assert.AreEqual(0xA0, result[1]);
Assert.AreEqual(0x80, result[2]);
vi = new VarInt(0xFFFF);
result = vi.Encode().ToArray();
Assert.AreEqual(3, result.Length);
Assert.AreEqual(result[0], 0xEF);
Assert.AreEqual(result[1], 0xBF);
Assert.AreEqual(result[2], 0xBF);
vi = new VarInt(0x10000);
result = vi.Encode().ToArray();
Assert.AreEqual(4, result.Length);
Assert.AreEqual(0xF0, result[0]);
Assert.AreEqual(0x90, result[1]);
Assert.AreEqual(0x80, result[2]);
Assert.AreEqual(0x80, result[3]);
vi = new VarInt(0x1FFFFF);
result = vi.Encode().ToArray();
Assert.AreEqual(4, result.Length, 4);
Assert.AreEqual(0xF7, result[0]);
Assert.AreEqual(0xBF, result[1]);
Assert.AreEqual(0xBF, result[2]);
Assert.AreEqual(0xBF, result[3]);
vi = new VarInt(0x200000);
result = vi.Encode().ToArray();
Assert.AreEqual(5, result.Length);
Assert.AreEqual(0xF8, result[0]);
Assert.AreEqual(0x88, result[1]);
Assert.AreEqual(0x80, result[2]);
Assert.AreEqual(0x80, result[3]);
Assert.AreEqual(0x80, result[4]);
vi = new VarInt(0x3FFFFFF);
result = vi.Encode().ToArray();
Assert.AreEqual(5, result.Length);
Assert.AreEqual(0xFB, result[0]);
Assert.AreEqual(0xBF, result[1]);
Assert.AreEqual(0xBF, result[2]);
Assert.AreEqual(0xBF, result[3]);
Assert.AreEqual(0xBF, result[4]);
vi = new VarInt(0x4000000);
result = vi.Encode().ToArray();
Assert.AreEqual(6, result.Length);
Assert.AreEqual(0xFC, result[0]);
Assert.AreEqual(0x84, result[1]);
Assert.AreEqual(0x80, result[2]);
Assert.AreEqual(0x80, result[3]);
Assert.AreEqual(0x80, result[4]);
Assert.AreEqual(0x80, result[5]);
vi = new VarInt(0xFFFFFFFF);
result = vi.Encode().ToArray();
Assert.AreEqual(6, result.Length);
Assert.AreEqual(0xFF, result[0]);
Assert.AreEqual(0xBF, result[1]);
Assert.AreEqual(0xBF, result[2]);
Assert.AreEqual(0xBF, result[3]);
Assert.AreEqual(0xBF, result[4]);
Assert.AreEqual(0xBF, result[5]);
}
public void WriteVarInt(int value)
{
Write(VarInt.Encode(value));
}