Better default balances weights (paritytech#6813)

frame/balances/src/default_weight.rs

@@ -0,0 +1,46 @@
+// Copyright (C) 2020 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.
+
+//! Weights for the Balances Pallet
+
+use frame_support::weights::{Weight, constants::RocksDbWeight as DbWeight};
+
+impl crate::WeightInfo for () {
+	fn transfer() -> Weight {
+		(65949000 as Weight)
+			.saturating_add(DbWeight::get().reads(1 as Weight))
+			.saturating_add(DbWeight::get().writes(1 as Weight))
+	}
+	fn transfer_keep_alive() -> Weight {
+		(46665000 as Weight)
+			.saturating_add(DbWeight::get().reads(1 as Weight))
+			.saturating_add(DbWeight::get().writes(1 as Weight))
+	}
+	fn set_balance_creating() -> Weight {
+		(27086000 as Weight)
+			.saturating_add(DbWeight::get().reads(1 as Weight))
+			.saturating_add(DbWeight::get().writes(1 as Weight))
+	}
+	fn set_balance_killing() -> Weight {
+		(33424000 as Weight)
+			.saturating_add(DbWeight::get().reads(1 as Weight))
+			.saturating_add(DbWeight::get().writes(1 as Weight))
+	}
+	fn force_transfer() -> Weight {
+		(65343000 as Weight)
+			.saturating_add(DbWeight::get().reads(2 as Weight))
+			.saturating_add(DbWeight::get().writes(2 as Weight))
+	}
+}

frame/balances/src/lib.rs

@@ -154,6 +154,7 @@ mod tests;
 mod tests_local;
 mod tests_composite;
 mod benchmarking;
+mod default_weight;
 
 use sp_std::prelude::*;
 use sp_std::{cmp, result, mem, fmt::Debug, ops::BitOr, convert::Infallible};
@@ -187,14 +188,6 @@ pub trait WeightInfo {
 	fn force_transfer() -> Weight;
 }
 
-impl WeightInfo for () {
-	fn transfer() -> Weight { 1_000_000_000 }
-	fn transfer_keep_alive() -> Weight { 1_000_000_000 }
-	fn set_balance_creating() -> Weight { 1_000_000_000 }
-	fn set_balance_killing() -> Weight { 1_000_000_000 }
-	fn force_transfer() -> Weight { 1_000_000_000 }
-}
-
 pub trait Subtrait<I: Instance = DefaultInstance>: frame_system::Trait {
 	/// The balance of an account.
 	type Balance: Parameter + Member + AtLeast32BitUnsigned + Codec + Default + Copy +