test_runtime_constants/weights/
rocksdb_weights.rs

1// This file is part of Polkadot.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: Apache-2.0
5
6// Licensed under the Apache License, Version 2.0 (the "License");
7// you may not use this file except in compliance with the License.
8// You may obtain a copy of the License at
9//
10// http://www.apache.org/licenses/LICENSE-2.0
11//
12// Unless required by applicable law or agreed to in writing, software
13// distributed under the License is distributed on an "AS IS" BASIS,
14// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15// See the License for the specific language governing permissions and
16// limitations under the License.
17
18pub mod constants {
19	use frame_support::{
20		parameter_types,
21		weights::{constants, RuntimeDbWeight},
22	};
23
24	parameter_types! {
25		/// By default, Substrate uses `RocksDB`, so this will be the weight used throughout
26		/// the runtime.
27		pub const RocksDbWeight: RuntimeDbWeight = RuntimeDbWeight {
28			read: 25_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
29			write: 100_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
30		};
31	}
32
33	#[cfg(test)]
34	mod test_db_weights {
35		use super::constants::RocksDbWeight as W;
36		use frame_support::weights::constants;
37
38		/// Checks that all weights exist and have sane values.
39		// NOTE: If this test fails but you are sure that the generated values are fine,
40		// you can delete it.
41		#[test]
42		fn sane() {
43			// At least 1 µs.
44			assert!(
45				W::get().reads(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
46				"Read weight should be at least 1 µs."
47			);
48			assert!(
49				W::get().writes(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
50				"Write weight should be at least 1 µs."
51			);
52			// At most 1 ms.
53			assert!(
54				W::get().reads(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
55				"Read weight should be at most 1 ms."
56			);
57			assert!(
58				W::get().writes(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
59				"Write weight should be at most 1 ms."
60			);
61		}
62	}
63}
test_runtime_constants/weights/rocksdb_weights.rs

test_runtime_constants/weights/
rocksdb_weights.rs
