feat: updates

src/cmd_parseecdsasignature.rs

@@ -3,8 +3,7 @@ use std::collections::BTreeMap;
 use clap::{App, Arg, ArgMatches, SubCommand};
 
 use rust_util::util_clap::{Command, CommandError};
-use rust_util::util_msg;
-
+use crate::cmdutil;
 use crate::ecdsautil::parse_ecdsa_r_and_s;
 use crate::util::try_decode;
 
@@ -25,14 +24,11 @@ impl Command for CommandImpl {
                     .takes_value(true)
                     .help("ECDSA signature"),
             )
-            .arg(Arg::with_name("json").long("json").help("JSON output"))
+            .arg(cmdutil::build_json_arg())
     }
 
     fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
-        let json_output = sub_arg_matches.is_present("json");
-        if json_output {
-            util_msg::set_logger_std_out(false);
-        }
+        let json_output = cmdutil::check_json_output(sub_arg_matches);
 
         let mut json = BTreeMap::<&'_ str, String>::new();