Add chain-info Subcommand (#11250)

* Add `blockchain-info` Subcommand

* Update comment

* Cleanup

* Cleanup

* Use `sync_run`

* Use `sc_client_db` utility fns instead service backend

* Use service `Backend` builder

* Impl `From<sp_blockchain::Info>`

* Rename to `chain-info`

* fmt

* Copyright year

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Expose `DatabaseParams`

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

substrate/bin/node/cli/src/cli.rs

@@ -94,4 +94,7 @@ pub enum Subcommand {
 
 	/// Revert the chain to a previous state.
 	Revert(sc_cli::RevertCmd),
+
+	/// Db meta columns information.
+	ChainInfo(sc_cli::ChainInfoCmd),
 }

substrate/bin/node/cli/src/command.rs

@@ -206,5 +206,9 @@ pub fn run() -> Result<()> {
 		Some(Subcommand::TryRuntime) => Err("TryRuntime wasn't enabled when building the node. \
 				You can enable it with `--features try-runtime`."
 			.into()),
+		Some(Subcommand::ChainInfo(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.sync_run(|config| cmd.run::<Block>(&config))
+		},
 	}
 }