x/staking: add call to iterator Close method (#6791)

Co-authored-by: FinnZhang <>
cosmos · Jul 20, 2020 · cc96e5c · cc96e5c
1 parent b383839
commit cc96e5c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/x/staking/keeper/delegation.go b/x/staking/keeper/delegation.go
@@ -273,6 +273,8 @@ func (k Keeper) DequeueAllMatureUBDQueue(ctx sdk.Context, currTime time.Time) (m
 
  // gets an iterator for all timeslices from time 0 until the current Blockheader time
  unbondingTimesliceIterator := k.UBDQueueIterator(ctx, ctx.BlockHeader().Time)
+ defer unbondingTimesliceIterator.Close()
+
  for ; unbondingTimesliceIterator.Valid(); unbondingTimesliceIterator.Next() {
  timeslice := types.DVPairs{}
  value := unbondingTimesliceIterator.Value()
@@ -474,6 +476,8 @@ func (k Keeper) DequeueAllMatureRedelegationQueue(ctx sdk.Context, currTime time
 
  // gets an iterator for all timeslices from time 0 until the current Blockheader time
  redelegationTimesliceIterator := k.RedelegationQueueIterator(ctx, ctx.BlockHeader().Time)
+ defer redelegationTimesliceIterator.Close()
+
  for ; redelegationTimesliceIterator.Valid(); redelegationTimesliceIterator.Next() {
  timeslice := types.DVVTriplets{}
  value := redelegationTimesliceIterator.Value()