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// 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.ref_time(),
			write: 50_000 * constants::WEIGHT_PER_NANOS.ref_time(),
		};
	}

	#[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."
			);
		}
	}
}