Catch up to changes from XDPoSChain #118

Job	Run time
Run nodejs tests	1m 57s
Run golang tests (A-B tests, mv common/constants/constants.go.unittest common/constants.go; go ru...	1m 26s
Run golang tests (C-[a-m] tests, mv common/constants/constants.go.unittest common/constants.go; g...	2m 3s
Run golang tests (C-[n-o] tests, mv common/constants/constants.go.unittest common/constants.go; g...	9m 21s
Run golang tests (C-[p-z] tests, mv common/constants/constants.go.unittest common/constants.go; g...	32s
Run golang tests (D-I tests, mv common/constants/constants.go.unittest common/constants.go; go ru...	3m 2s
Run golang tests (J-N tests, mv common/constants/constants.go.unittest common/constants.go; go ru...	2m 12s
Run golang tests (O-R tests, mv common/constants/constants.go.unittest common/constants.go; go ru...	1m 23s
Run golang tests (S tests, mv common/constants/constants.go.unittest common/constants.go; go run ...	1m 33s
Run golang tests (T-Z tests, mv common/constants/constants.go.unittest common/constants.go; go ru...	1m 59s
	25m 28s

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