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-template/node/src/cli.rs

@@ -47,4 +47,7 @@ pub enum Subcommand {
 	/// Try some command against runtime state. Note: `try-runtime` feature must be enabled.
 	#[cfg(not(feature = "try-runtime"))]
 	TryRuntime,
+
+	/// Db meta columns information.
+	ChainInfo(sc_cli::ChainInfoCmd),
 }

substrate/bin/node-template/node/src/command.rs

@@ -162,6 +162,10 @@ pub fn run() -> sc_cli::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))
+		},
 		None => {
 			let runner = cli.create_runner(&cli.run)?;
 			runner.run_node_until_exit(|config| async move {