[close #108] Br debug checksum cmd (#114) * implement debug checksum cmd Signed-off-by: haojinming <[email protected]> * add api version check Signed-off-by: haojinming <[email protected]> add warning Signed-off-by: haojinming <[email protected]> revert changes Signed-off-by: haojinming <[email protected]> * move common functions Signed-off-by: haojinming <[email protected]>