fix: fix consumer chain query CLI (#2190)

* fix consumer chains query cli

* add consumer-chain cli command

* fix consumer chains cli bug

x/ccv/provider/client/cli/query.go

@@ -39,6 +39,7 @@ func NewQueryCmd() *cobra.Command {
 	cmd.AddCommand(CmdValidatorConsumerCommissionRate())
 	cmd.AddCommand(CmdBlocksUntilNextEpoch())
 	cmd.AddCommand(CmdConsumerIdFromClientId())
+	cmd.AddCommand(CmdConsumerChain())
 	return cmd
 }
 
@@ -88,15 +89,15 @@ func CmdConsumerChains() *cobra.Command {
 
 			req := &types.QueryConsumerChainsRequest{}
 
-			if args[0] != "" {
+			if len(args) >= 1 && args[0] != "" {
 				phase, err := strconv.ParseInt(args[0], 10, 32)
 				if err != nil {
 					return err
 				}
 				req.Phase = types.ConsumerPhase(phase)
 			}
 
-			if args[1] != "" {
+			if len(args) == 2 && args[1] != "" {
 				limit, err := strconv.ParseInt(args[1], 10, 32)
 				if err != nil {
 					return err
@@ -553,3 +554,30 @@ func CmdConsumerIdFromClientId() *cobra.Command {
 
 	return cmd
 }
+
+func CmdConsumerChain() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "consumer-chain [consumer-id]",
+		Short: "Query the consumer chain associated with the consumer id",
+		Args:  cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+			queryClient := types.NewQueryClient(clientCtx)
+
+			req := &types.QueryConsumerChainRequest{ConsumerId: args[0]}
+			res, err := queryClient.QueryConsumerChain(cmd.Context(), req)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(res)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}