// This file is part of Substrate.

// Copyright (C) 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! {
        /// By default, Substrate uses `RocksDB`, so this will be the weight used throughout
        /// the runtime.
        pub const RocksDbWeight: RuntimeDbWeight = RuntimeDbWeight {
            read: 25_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
            write: 100_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
        };
    }

    #[cfg(test)]
    mod test_db_weights {
        use frame_support::weights::constants;

        use super::constants::RocksDbWeight as W;

        /// 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).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
                "Read weight should be at least 1 µs."
            );
            assert!(
                W::get().writes(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
                "Write weight should be at least 1 µs."
            );
            // At most 1 ms.
            assert!(
                W::get().reads(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
                "Read weight should be at most 1 ms."
            );
            assert!(
                W::get().writes(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
                "Write weight should be at most 1 ms."
            );
        }
    }
}
