Add Slashing Query Params (#3117)

x/slashing/client/cli/query.go

@@ -57,3 +57,25 @@ func GetCmdQuerySigningInfo(storeName string, cdc *codec.Codec) *cobra.Command {
 
 	return cmd
 }
+
+// GetCmdQueryParams implements a command to fetch slashing parameters.
+func GetCmdQueryParams(cdc *codec.Codec) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "params",
+		Short: "Query the current slashing parameters",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			cliCtx := context.NewCLIContext().WithCodec(cdc)
+			route := fmt.Sprintf("custom/%s/parameters", slashing.QuerierRoute)
+
+			res, err := cliCtx.QueryWithData(route, nil)
+			if err != nil {
+				return err
+			}
+
+			fmt.Println(string(res))
+			return nil
+		},
+	}
+
+	return cmd
+}