sendHandshake method

@override void sendHandshake()

Send a handshake message

Implementation

@override
void sendHandshake() {
  List<int> msg = [handshakePrefix];
  if (_handshake) {
    // if i got the handshake i add a 0x01 to inform the other peer
    msg.add(handshakePrefix);
  }
  _sendMessage(msg);
}