mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-02 21:07:24 +00:00
Sergei Shulepov
9379cd6c18
* Look at the upgrade go-ahead and restriction signals * Update Cargo.toml * Drop old docs for validation code * Update tests * Fix typo * Add doc-comments for read_optional_entry * Add a note about ValidationData * Introduce migration for removing unused storage entry * Fix indentation * Use intra-doc link syntax * Double-check that GoAhead signal is not spurious * fmt * Drop commented code * Fix typos Co-authored-by: Alexander Popiak <alexander.popiak@parity.io> * Add a weight for StorageVersion write Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> Co-authored-by: Chris Sosnin <chris125_@live.com> Co-authored-by: Chris Sosnin <48099298+slumber@users.noreply.github.com> Co-authored-by: Alexander Popiak <alexander.popiak@parity.io> Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
51 lines
1.6 KiB
Rust
51 lines
1.6 KiB
Rust
// Copyright 2021 Parity Technologies (UK) Ltd.
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// This file is part of Cumulus.
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// Cumulus 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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// Cumulus 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 Cumulus. If not, see <http://www.gnu.org/licenses/>.
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use crate::{Config, Pallet};
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use frame_support::{
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traits::{Get, StorageVersion},
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weights::Weight,
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};
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/// The current storage version.
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pub const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);
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/// Call this during the next runtime upgrade for this module.
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pub fn on_runtime_upgrade<T: Config>() -> Weight {
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let mut weight: Weight = 0;
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if StorageVersion::get::<Pallet<T>>() == 0 {
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weight = weight
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.saturating_add(v1::migrate::<T>())
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.saturating_add(T::DbWeight::get().writes(1));
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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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/// V1: `LastUpgrade` block number is removed from the storage since the upgrade
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/// mechanism now uses signals instead of block offsets.
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mod v1 {
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use crate::{Config, Pallet};
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use frame_support::{migration::remove_storage_prefix, pallet_prelude::*};
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pub fn migrate<T: Config>() -> Weight {
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remove_storage_prefix(<Pallet<T>>::name().as_bytes(), b"LastUpgrade", b"");
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T::DbWeight::get().writes(1)
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}
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}
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