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/client/cli/src/commands/import_blocks_cmd.rs

@@ -21,6 +21,7 @@ use crate::{
 	params::{ImportParams, SharedParams},
 	CliConfiguration,
 };
+use clap::Parser;
 use sc_client_api::HeaderBackend;
 use sc_service::chain_ops::import_blocks;
 use sp_runtime::traits::Block as BlockT;
@@ -31,31 +32,30 @@ use std::{
 	path::PathBuf,
 	sync::Arc,
 };
-use structopt::StructOpt;
 
 /// The `import-blocks` command used to import blocks.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ImportBlocksCmd {
 	/// Input file or stdin if unspecified.
-	#[structopt(parse(from_os_str))]
+	#[clap(parse(from_os_str))]
 	pub input: Option<PathBuf>,
 
 	/// The default number of 64KB pages to ever allocate for Wasm execution.
 	///
 	/// Don't alter this unless you know what you're doing.
-	#[structopt(long = "default-heap-pages", value_name = "COUNT")]
+	#[clap(long, value_name = "COUNT")]
 	pub default_heap_pages: Option<u32>,
 
 	/// Try importing blocks from binary format rather than JSON.
-	#[structopt(long)]
+	#[clap(long)]
 	pub binary: bool,
 
 	#[allow(missing_docs)]
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	pub shared_params: SharedParams,
 
 	#[allow(missing_docs)]
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	pub import_params: ImportParams,
 }