ctp:ctpagent/ctpapi: add query_order()

Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
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Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>
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Signed-off-by: Zhengwang Ruan <ruan.zhengwang@gmail.com>