public void Notify() => observers?.Invoke(this);
protected void Notify()
{
NotifyHandler?.Invoke(this);
}
/// <summary>
/// 交易服务器主动推送
/// </summary>
/// <param name="json"></param>
/// <param name="tuple"></param>
private void OnNotifyHandler(string json, Tuple <int, string> tuple)
{
NotifyHandler?.Invoke(json, tuple);
}