Add inspect command to take a look at extrinsics. (#762)

* Add inspect command to take a look at extrinsics.

* cargo fmt --all

* New weight for on-chain remark in tests

* Minor style tweaks.

Co-authored-by: adoerr <0xad@gmx.net>

bridges/bin/millau/node/src/command.rs

@@ -17,7 +17,7 @@
 use crate::cli::{Cli, Subcommand};
 use crate::service;
 use crate::service::new_partial;
-use millau_runtime::Block;
+use millau_runtime::{Block, RuntimeApi};
 use sc_cli::{ChainSpec, Role, RuntimeVersion, SubstrateCli};
 use sc_service::PartialComponents;
 
@@ -154,6 +154,10 @@ pub fn run() -> sc_cli::Result<()> {
 				Ok((cmd.run(client, backend), task_manager))
 			})
 		}
+		Some(Subcommand::Inspect(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.sync_run(|config| cmd.run::<Block, RuntimeApi, service::Executor>(config))
+		}
 		None => {
 			let runner = cli.create_runner(&cli.run)?;
 			runner.run_node_until_exit(|config| async move {