Companion for paritytech/cumulus#1863

Author: Guantong

node/src/command.rs

@@ -654,14 +654,11 @@ pub fn run() -> Result<()> {
 
 			runner.run_node_until_exit(|config| async move {
 				let chain_spec = &config.chain_spec;
-				let hwbench = if !cli.no_hardware_benchmarks {
+				let hwbench = (!cli.no_hardware_benchmarks).then_some(
 					config.database.path().map(|database_path| {
 						let _ = std::fs::create_dir_all(database_path);
 						sc_sysinfo::gather_hwbench(Some(database_path))
-					})
-				} else {
-					None
-				};
+					})).flatten();
 
 				set_default_ss58_version(chain_spec);
 

node/src/service/mod.rs

@@ -416,6 +416,14 @@ where
 
 	if let Some(hwbench) = hwbench {
 		sc_sysinfo::print_hwbench(&hwbench);
+		// Here you can check whether the hardware meets your chains' requirements. Putting a link
+		// in there and swapping out the requirements for your own are probably a good idea. The
+		// requirements for a para-chain are dictated by its relay-chain.
+		if !SUBSTRATE_REFERENCE_HARDWARE.check_hardware(&hwbench) && validator {
+			log::warn!(
+				"⚠️  The hardware does not meet the minimal requirements for role 'Authority'."
+			);
+		}
 
 		if let Some(ref mut telemetry) = telemetry {
 			let telemetry_handle = telemetry.handle();