mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 13:27:57 +00:00
Keith Yeung
882a892b60
* Migrate Weights properly to v2 * Add missing on_runtime_upgrade implementation * Fix benchmarks * Apply suggestions from code review Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io> * cargo fmt Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
102 lines
2.8 KiB
Rust
102 lines
2.8 KiB
Rust
// Copyright 2022 Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Polkadot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! A module that is responsible for migration of storage.
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use crate::{Config, Pallet, Store};
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use frame_support::{
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pallet_prelude::*,
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traits::StorageVersion,
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weights::{constants::WEIGHT_PER_MILLIS, Weight},
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};
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use xcm::latest::Weight as XcmWeight;
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/// The current storage version.
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pub const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);
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/// Migrates the pallet storage to the most recent version, checking and setting the
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/// `StorageVersion`.
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pub fn migrate_to_latest<T: Config>() -> Weight {
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let mut weight = T::DbWeight::get().reads(1);
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if StorageVersion::get::<Pallet<T>>() == 0 {
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weight += migrate_to_v1::<T>();
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StorageVersion::new(1).put::<Pallet<T>>();
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}
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weight
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}
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mod v0 {
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use super::*;
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use codec::{Decode, Encode};
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#[derive(Decode, Encode, Debug)]
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pub struct ConfigData {
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pub max_individual: XcmWeight,
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}
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impl Default for ConfigData {
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fn default() -> Self {
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ConfigData { max_individual: 10u64 * WEIGHT_PER_MILLIS.ref_time() }
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}
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}
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}
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/// Migrates `QueueConfigData` from v1 (using only reference time weights) to v2 (with
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/// 2D weights).
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///
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/// NOTE: Only use this function if you know what you're doing. Default to using
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/// `migrate_to_latest`.
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pub fn migrate_to_v1<T: Config>() -> Weight {
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let translate = |pre: v0::ConfigData| -> super::ConfigData {
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super::ConfigData { max_individual: Weight::from_ref_time(pre.max_individual) }
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};
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if let Err(_) = <Pallet<T> as Store>::Configuration::translate(|pre| pre.map(translate)) {
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log::error!(
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target: "dmp_queue",
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"unexpected error when performing translation of the QueueConfig type during storage upgrade to v2"
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);
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}
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T::DbWeight::get().reads_writes(1, 1)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::tests::{new_test_ext, Test};
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#[test]
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fn test_migration_to_v1() {
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let v0 = v0::ConfigData { max_individual: 30_000_000_000 };
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new_test_ext().execute_with(|| {
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frame_support::storage::unhashed::put_raw(
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&crate::Configuration::<Test>::hashed_key(),
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&v0.encode(),
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);
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migrate_to_v1::<Test>();
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let v1 = crate::Configuration::<Test>::get();
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assert_eq!(v0.max_individual, v1.max_individual.ref_time());
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});
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}
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}
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