CR : fix a bug about checkpoint relay.
Merge branch 'workspace' of github.com:DSPay/DSValue
Merge branch 'workspace' of github.com:DSPay/DSValue
improve the checkpoint to get the point which is the top in the checkpoin
map.
fix the bet vallid and checkpoint bug.........
Merge remote-tracking branch 'remotes/spark/workspace'
modify checkpoint bugs

Signed-off-by: franklin <flin1866@gmail.com>
Merge remote-tracking branch 'remotes/spark/workspace'

Conflicts:
	src/main.cpp

modify checkpoint bugs
Signed-off-by: franklin <flin1866@gmail.com>