Co #5091: Runtime dependent weights for parachains (#1081)

* Use runtime dependent weights in parachains

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Lockfile

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* update lockfile for {"polkadot"}

Co-authored-by: parity-processbot <>

cumulus/parachain-template/runtime/src/weights/paritydb_weights.rs

@@ -0,0 +1,63 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2022 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub mod constants {
+	use frame_support::{
+		parameter_types,
+		weights::{constants, RuntimeDbWeight},
+	};
+
+	parameter_types! {
+		/// `ParityDB` can be enabled with a feature flag, but is still experimental. These weights
+		/// are available for brave runtime engineers who may want to try this out as default.
+		pub const ParityDbWeight: RuntimeDbWeight = RuntimeDbWeight {
+			read: 8_000 * constants::WEIGHT_PER_NANOS,
+			write: 50_000 * constants::WEIGHT_PER_NANOS,
+		};
+	}
+
+	#[cfg(test)]
+	mod test_db_weights {
+		use super::constants::ParityDbWeight as W;
+		use frame_support::weights::constants;
+
+		/// Checks that all weights exist and have sane values.
+		// NOTE: If this test fails but you are sure that the generated values are fine,
+		// you can delete it.
+		#[test]
+		fn sane() {
+			// At least 1 µs.
+			assert!(
+				W::get().reads(1) >= constants::WEIGHT_PER_MICROS,
+				"Read weight should be at least 1 µs."
+			);
+			assert!(
+				W::get().writes(1) >= constants::WEIGHT_PER_MICROS,
+				"Write weight should be at least 1 µs."
+			);
+			// At most 1 ms.
+			assert!(
+				W::get().reads(1) <= constants::WEIGHT_PER_MILLIS,
+				"Read weight should be at most 1 ms."
+			);
+			assert!(
+				W::get().writes(1) <= constants::WEIGHT_PER_MILLIS,
+				"Write weight should be at most 1 ms."
+			);
+		}
+	}
+}