Companion for substrate#14435 (BenchmarkHelper for frame-system) (#2766)

* Temporary fix for frame_system::set_code benchmark

* Removed temprary fix

* BenchmarkHelper for frame-system (TODO: add stuff for ParachainSystem OnSetCode)

* BenchmarkHelper for frame-system (TODO: add stuff for ParachainSystem OnSetCode)

* Glutton

* Fix benchmarks for `set_code`

* Changed dummy values to non-zero

* update lockfile for {"polkadot", "substrate"}

---------

Co-authored-by: parity-processbot <>

cumulus/pallets/parachain-system/src/lib.rs

@@ -1067,6 +1067,33 @@ impl<T: Config> Pallet<T> {
 			)],
 		})
 	}
+
+	/// Prepare/insert relevant data for `schedule_code_upgrade` for benchmarks.
+	#[cfg(feature = "runtime-benchmarks")]
+	pub fn initialize_for_set_code_benchmark(max_code_size: u32) {
+		// insert dummy ValidationData
+		let vfp = PersistedValidationData {
+			parent_head: polkadot_parachain::primitives::HeadData(Default::default()),
+			relay_parent_number: 1,
+			relay_parent_storage_root: Default::default(),
+			max_pov_size: 1_000,
+		};
+		<ValidationData<T>>::put(&vfp);
+
+		// insert dummy HostConfiguration with
+		let host_config = AbridgedHostConfiguration {
+			max_code_size,
+			max_head_data_size: 32 * 1024,
+			max_upward_queue_count: 8,
+			max_upward_queue_size: 1024 * 1024,
+			max_upward_message_size: 4 * 1024,
+			max_upward_message_num_per_candidate: 2,
+			hrmp_max_message_num_per_candidate: 2,
+			validation_upgrade_cooldown: 2,
+			validation_upgrade_delay: 2,
+		};
+		<HostConfiguration<T>>::put(host_config);
+	}
 }
 
 pub struct ParachainSetCode<T>(sp_std::marker::PhantomData<T>);