address the review comments

x/oracle/keeper/grpc_query.go

@@ -366,10 +366,6 @@ func (q querier) ExgRatesWithTimestamp(
 // MissCounters implements types.QueryServer.
 func (q querier) MissCounters(goCtx context.Context, req *types.QueryMissCounters) (*types.QueryMissCountersResponse,
 	error) {
-	if req == nil {
-		return nil, status.Error(codes.InvalidArgument, "empty request")
-	}
-
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
 	var pfMissCounts []types.PriceMissCounter

x/uibc/client/cli/query.go

@@ -24,18 +24,18 @@ func GetQueryCmd() *cobra.Command {
 		QueryParams(),
 		GetOutflows(),
 		GetInflows(),
-		GetQuotaEndTime(),
+		GetQuotaExpireTime(),
 	)
 
 	return cmd
 }
 
-// GetQuotaEndTime returns end time for the current quota period.
-func GetQuotaEndTime() *cobra.Command {
+// GetQuotaExpireTime returns end time for the current quota period.
+func GetQuotaExpireTime() *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "quota-end-time",
+		Use:   "quota-expire-time",
 		Args:  cobra.NoArgs,
-		Short: "Get the current ibc quota end time.",
+		Short: "Get the current ibc quota expire time.",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			clientCtx, err := client.GetClientQueryContext(cmd)
 			if err != nil {

x/uibc/quota/grpc_query.go

@@ -77,8 +77,9 @@ func (q Querier) Inflows(goCtx context.Context, req *uibc.QueryInflows) (*uibc.Q
 	return &uibc.QueryInflowsResponse{Sum: q.Keeper(&ctx).GetInflowSum(), Inflows: inflows}, nil
 }
 
-// QuotaExpires returns the current ibc quota end time.
-func (q Querier) QuotaExpires(goCtx context.Context, _ *uibc.QueryQuotaExpires) (*uibc.QueryQuotaExpiresResponse, error) {
+// QuotaExpires returns the current ibc quota expire time.
+func (q Querier) QuotaExpires(goCtx context.Context, _ *uibc.QueryQuotaExpires) (*uibc.QueryQuotaExpiresResponse,
+	error) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
 	quotaExpireTime, err := q.Keeper(&ctx).GetExpire()