Fix cargo check --features=runtime-benchmarks

node/aura-runtime/src/lib.rs

@@ -729,14 +729,30 @@ impl_runtime_apis! {
 
 	#[cfg(feature = "runtime-benchmarks")]
 	impl frame_benchmarking::Benchmark<Block> for Runtime {
+		fn benchmark_metadata(extra: bool) -> (
+			Vec<frame_benchmarking::BenchmarkList>,
+			Vec<frame_support::traits::StorageInfo>,
+		) {
+			use frame_benchmarking::{list_benchmark, Benchmarking, BenchmarkList};
+			use frame_support::traits::StorageInfoTrait;
+			use frame_system_benchmarking::Pallet as SystemBench;
+
+			let mut list = Vec::<BenchmarkList>::new();
+
+			list_benchmark!(list, extra, frame_system, SystemBench::<Runtime>);
+			list_benchmark!(list, extra, pallet_balances, Balances);
+			list_benchmark!(list, extra, pallet_timestamp, Timestamp);
+			list_benchmark!(list, extra, pallet_template, TemplateModule);
+
+			let storage_info = AllPalletsWithSystem::storage_info();
+
+			return (list, storage_info)
+		}
+
 		fn dispatch_benchmark(
 			config: frame_benchmarking::BenchmarkConfig
-		) -> Result<
-			(Vec<frame_benchmarking::BenchmarkBatch>, Vec<StorageInfo>),
-			sp_runtime::RuntimeString,
-		> {
+		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
 			use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey};
-			use frame_support::traits::StorageInfoTrait;
 
 			use frame_system_benchmarking::Pallet as SystemBench;
 			impl frame_system_benchmarking::Config for Runtime {}
@@ -754,20 +770,17 @@ impl_runtime_apis! {
 				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),
 			];
 
-			let storage_info = AllPalletsWithSystem::storage_info();
-
 			let mut batches = Vec::<BenchmarkBatch>::new();
 			let params = (&config, &whitelist);
 
 			add_benchmark!(params, batches, frame_system, SystemBench::<Runtime>);
 			add_benchmark!(params, batches, pallet_balances, Balances);
 			add_benchmark!(params, batches, pallet_timestamp, Timestamp);
 			add_benchmark!(params, batches, pallet_utility, Utility);
-
 			add_benchmark!(params, batches, pallet_template, TemplateModule);
 
 			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
-			Ok((batches, storage_info))
+			Ok(batches)
 		}
 	}
 }