mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-01 10:07:56 +00:00
Vivek Pandya
bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
70 lines
2.4 KiB
Rust
70 lines
2.4 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use crate::{
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traits::{GetStorageVersion, PalletInfoAccess},
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weights::{RuntimeDbWeight, Weight},
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};
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use impl_trait_for_tuples::impl_for_tuples;
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/// Trait used by [`migrate_from_pallet_version_to_storage_version`] to do the actual migration.
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pub trait PalletVersionToStorageVersionHelper {
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fn migrate(db_weight: &RuntimeDbWeight) -> Weight;
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}
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impl<T: GetStorageVersion + PalletInfoAccess> PalletVersionToStorageVersionHelper for T {
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fn migrate(db_weight: &RuntimeDbWeight) -> Weight {
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const PALLET_VERSION_STORAGE_KEY_POSTFIX: &[u8] = b":__PALLET_VERSION__:";
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fn pallet_version_key(name: &str) -> [u8; 32] {
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crate::storage::storage_prefix(name.as_bytes(), PALLET_VERSION_STORAGE_KEY_POSTFIX)
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}
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sp_io::storage::clear(&pallet_version_key(<T as PalletInfoAccess>::name()));
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let version = <T as GetStorageVersion>::current_storage_version();
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version.put::<T>();
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db_weight.writes(2)
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}
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}
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#[cfg_attr(all(not(feature = "tuples-96"), not(feature = "tuples-128")), impl_for_tuples(64))]
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#[cfg_attr(all(feature = "tuples-96", not(feature = "tuples-128")), impl_for_tuples(96))]
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#[cfg_attr(feature = "tuples-128", impl_for_tuples(128))]
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impl PalletVersionToStorageVersionHelper for T {
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fn migrate(db_weight: &RuntimeDbWeight) -> Weight {
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let mut weight = Weight::zero();
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for_tuples!( #( weight = weight.saturating_add(T::migrate(db_weight)); )* );
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weight
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}
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}
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/// Migrate from the `PalletVersion` struct to the new
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/// [`StorageVersion`](crate::traits::StorageVersion) struct.
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///
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/// This will remove all `PalletVersion's` from the state and insert the current storage version.
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pub fn migrate_from_pallet_version_to_storage_version<
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Pallets: PalletVersionToStorageVersionHelper,
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>(
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db_weight: &RuntimeDbWeight,
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) -> Weight {
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Pallets::migrate(db_weight)
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}
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