refac call submission and event watch

• refac call submission and event watch
• add commands
• implement config formatter
• document it

src/commands/account.rs

@@ -27,6 +27,8 @@ pub enum Subcommand {
 		/// List of target addresses
 		dests: Vec<AccountId>,
 	},
+	/// Unlink the account from the linked identity
+	Unlink,
 }
 
 /// handle account commands
@@ -48,6 +50,9 @@ pub async fn handle_command(data: Data, command: Subcommand) -> anyhow::Result<(
 		Subcommand::TransferMultiple { amount, dests } => {
 			commands::transfer::transfer_multiple(&data, amount, dests).await?;
 		}
+		Subcommand::Unlink => {
+			unlink_account(&data).await?;
+		}
 	};
 
 	Ok(())
@@ -78,3 +83,12 @@ pub async fn get_account_info(
 		.fetch(&runtime::storage().system().account(account_id), None)
 		.await
 }
+
+/// unlink account
+pub async fn unlink_account(data: &Data) -> Result<(), subxt::Error> {
+	submit_call_and_look_event::<
+		runtime::account::events::AccountUnlinked,
+		StaticTxPayload<runtime::account::calls::UnlinkIdentity>,
+	>(data, &runtime::tx().account().unlink_identity())
+	.await
+}