Corda + Ktor - connecting to the node

CordaConnection.kt

fun connectToNode(
  host: String = System.getProperty("config.rpc.host"),
  rpcPort: Int = System.getProperty("config.rpc.port").toInt(),
  username: String = System.getProperty("config.rpc.username"),
  password: String = System.getProperty("config.rpc.password")
): CordaRPCConnection {
  val rpcAddress = NetworkHostAndPort(host, rpcPort)
  val rpcClient = CordaRPCClient(rpcAddress)
  return rpcClient.start(username, password)
}