// 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.

//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION {{version}}
//! DATE: {{date}}
//! HOSTNAME: `{{hostname}}`, CPU: `{{cpuname}}`
//!
//! DATABASE: `{{db_name}}`, RUNTIME: `{{runtime_name}}`
//! BLOCK-NUM: `{{block_number}}`
//! SKIP-WRITE: `{{params.skip_write}}`, SKIP-READ: `{{params.skip_read}}`, WARMUPS: `{{params.warmups}}`
//! STATE-VERSION: `V{{params.state_version}}`, STATE-CACHE-SIZE: `{{params.state_cache_size}}`
//! WEIGHT-PATH: `{{params.weight_params.weight_path}}`
//! METRIC: `{{params.weight_params.weight_metric}}`, WEIGHT-MUL: `{{params.weight_params.weight_mul}}`, WEIGHT-ADD: `{{params.weight_params.weight_add}}`

// Executed Command:
{{#each args as |arg|}}
//   {{arg}}
{{/each}}

/// Storage DB weights for the `{{runtime_name}}` runtime and `{{db_name}}`.
pub mod constants {
	use frame_support::{
		parameter_types,
		weights::{constants, RuntimeDbWeight},
	};

	parameter_types! {
		{{#if (eq db_name "ParityDb")}}
		/// `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.
		{{else}}
		/// By default, Substrate uses `RocksDB`, so this will be the weight used throughout
		/// the runtime.
		{{/if}}
		pub const {{db_name}}Weight: RuntimeDbWeight = RuntimeDbWeight {
			/// Time to read one storage item.
			/// Calculated by multiplying the *{{params.weight_params.weight_metric}}* of all values with `{{params.weight_params.weight_mul}}` and adding `{{params.weight_params.weight_add}}`.
			///
			/// Stats nanoseconds:
			///   Min, Max: {{underscore read.0.min}}, {{underscore read.0.max}}
			///   Average:  {{underscore read.0.avg}}
			///   Median:   {{underscore read.0.median}}
			///   Std-Dev:  {{read.0.stddev}}
			///
			/// Percentiles nanoseconds:
			///   99th: {{underscore read.0.p99}}
			///   95th: {{underscore read.0.p95}}
			///   75th: {{underscore read.0.p75}}
			read: {{underscore read_weight}} * constants::WEIGHT_PER_NANOS,

			/// Time to write one storage item.
			/// Calculated by multiplying the *{{params.weight_params.weight_metric}}* of all values with `{{params.weight_params.weight_mul}}` and adding `{{params.weight_params.weight_add}}`.
			///
			/// Stats nanoseconds:
			///   Min, Max: {{underscore write.0.min}}, {{underscore write.0.max}}
			///   Average:  {{underscore write.0.avg}}
			///   Median:   {{underscore write.0.median}}
			///   Std-Dev:  {{write.0.stddev}}
			///
			/// Percentiles nanoseconds:
			///   99th: {{underscore write.0.p99}}
			///   95th: {{underscore write.0.p95}}
			///   75th: {{underscore write.0.p75}}
			write: {{underscore write_weight}} * constants::WEIGHT_PER_NANOS,
		};
	}

	#[cfg(test)]
	mod test_db_weights {
		use super::constants::{{db_name}}Weight 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 bound() {
			// 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."
			);
		}
	}
}