core: add GetRoundHeight interface (#493)

Add GetRoundHeight interface for core to query the being height of a
round.

1 files changed, 5 insertions, 0 deletions

diff --git a/core/test/governance.go b/core/test/governance.go
index 74eca85..42294fc 100644
--- a/core/test/governance.go
+++ b/core/test/governance.go
@@ -90,6 +90,11 @@ func (g *Governance) Configuration(round uint64) *types.Config {
 	return g.configs[round]
 }
 
+// GetRoundHeight returns the begin height of a round.
+func (g *Governance) GetRoundHeight(round uint64) uint64 {
+	return 0
+}
+
 // CRS returns the CRS for a given round.
 func (g *Governance) CRS(round uint64) common.Hash {
 	return g.stateModule.CRS(round)