topsoil-core 0.2.0

Support code for the runtime.
Documentation 
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// This file is part of Soil.

// Copyright (C) Soil contributors.
// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later WITH Classpath-exception-2.0

pub mod constants {
	use subsoil::core::parameter_types;
	use subsoil::weights::RuntimeDbWeight;
	use topsoil_core::weights::constants;

	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_REF_TIME_PER_NANOS,
			write: 50_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
		};
	}

	#[cfg(test)]
	mod test_db_weights {
		use super::constants::ParityDbWeight as W;
		use subsoil::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).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."
			);
		}
	}
}