proc getContentTopic*(
    applicationName: string,
    applicationVersion: int,
    contentTopicName: string,
    encoding: string,
): string =
  return "/$applicationName/$applicationVersion/$contentTopicName/$enconding"

const
  CURRENT* = getContentTopic("application", 1, "content-topic", "proto")
  TESTNET* = getContentTopic("toychat", 2, "huilong", "proto")
  PLAIN* = "test"