use clap3 instead of structopt (#10632)

* use clap3 instead of structopt

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* format

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* update ss58-registry and revert some nits

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix clippy and doc

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* update clap to 3.0.7

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Apply review suggestions

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* remove useless option long name

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* cargo fmt

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

substrate/bin/utils/subkey/src/lib.rs

@@ -16,14 +16,14 @@
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
+use clap::Parser;
 use sc_cli::{
 	Error, GenerateCmd, GenerateNodeKeyCmd, InspectKeyCmd, InspectNodeKeyCmd, SignCmd, VanityCmd,
 	VerifyCmd,
 };
-use structopt::StructOpt;
 
-#[derive(Debug, StructOpt)]
-#[structopt(
+#[derive(Debug, Parser)]
+#[clap(
 	name = "subkey",
 	author = "Parity Team <admin@parity.io>",
 	about = "Utility for generating and restoring with Substrate keys"
@@ -54,7 +54,7 @@ pub enum Subkey {
 
 /// Run the subkey command, given the appropriate runtime.
 pub fn run() -> Result<(), Error> {
-	match Subkey::from_args() {
+	match Subkey::parse() {
 		Subkey::GenerateNodeKey(cmd) => cmd.run(),
 		Subkey::Generate(cmd) => cmd.run(),
 		Subkey::Inspect(cmd) => cmd.run(),