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-rw-r--r--core/test/governance.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/core/test/governance.go b/core/test/governance.go
index 4970420..4ee20d8 100644
--- a/core/test/governance.go
+++ b/core/test/governance.go
@@ -94,6 +94,9 @@ func (g *Governance) Configuration(round uint64) *types.Config {
// GetRoundHeight returns the begin height of a round.
func (g *Governance) GetRoundHeight(round uint64) uint64 {
+ if round == 0 {
+ return 0
+ }
g.lock.RLock()
defer g.lock.RUnlock()
if round >= uint64(len(g.roundBeginHeights)) {