public VersionMessage(ShortNetworkAddress recipientAddress,
ShortNetworkAddress senderAddress)
{
Header = new Header("version");
ProtocolVersion = 70002;
Services = 1;
Timestamp = BitcoinHelper.GetCurrentTimeStamp();
RecipientAddress = recipientAddress;
SenderAddress = senderAddress;
Nonce = 0;
UserAgent = "/MikoleuszBlogBitcoinTinyClient:1.0/";
UserAgentLength = new VarInt(Convert.ToUInt64(UserAgent.Length));
StartHeight = 460650;
Relay = true;
ComputeHeader();
}
public static void PerformTransaction(
byte[] senderIpAddress,
byte[] recipientIpAddress,
string previousTransactionIdHex,
string senderBitcoinAddress,
string senderPrivateKeyHex,
string recipientBitcoinAddress,
double transactionAmountInBtc)
{
var senderShortNetworkAddress =
new ShortNetworkAddress(senderIpAddress, 8333);
var recipientShortNetworkAddress =
new ShortNetworkAddress(recipientIpAddress, 8333);
var versionMessage =
new VersionMessage(recipientShortNetworkAddress, senderShortNetworkAddress);
var transactionMessage = TxMessage.Create(
previousTransactionIdHex,
senderBitcoinAddress,
senderPrivateKeyHex,
recipientBitcoinAddress,
transactionAmountInBtc);
var tcpClient = new TcpClient(recipientShortNetworkAddress.IpString, recipientShortNetworkAddress.Port);
var tcpClientStream = tcpClient.GetStream();
var versionMessageBytes = versionMessage.ToBytes();
var transactionMessageBytes = transactionMessage.ToBytes();
tcpClientStream.Write(versionMessageBytes, 0, versionMessageBytes.Length);
tcpClientStream.Write(transactionMessageBytes, 0, transactionMessageBytes.Length);
var buffer = new byte[0];
while (true)
{
var bytesToReadCount = tcpClient.Available;
if (bytesToReadCount == 0)
{
Thread.Sleep(100);
continue;
}
var readedData = new byte[bytesToReadCount];
tcpClientStream.Read(readedData, 0, bytesToReadCount);
buffer = buffer.Concat(readedData).ToArray();
var header = new Header(buffer);
Console.WriteLine(
$"{DateTime.Now.ToLongTimeString()}: " +
$"incoming message: {header.Command}. " +
$"Length: {header.PayloadLength}");
buffer = buffer.Skip(24 + (int)header.PayloadLength).ToArray();
}
}
