mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Bastian Köcher
7b56ab15b4
* Run cargo fmt on the whole code base * Second run * Add CI check * Fix compilation * More unnecessary braces * Handle weights * Use --all * Use correct attributes... * Fix UI tests * AHHHHHHHHH * 🤦 * Docs * Fix compilation * 🤷 * Please stop * 🤦 x 2 * More * make rustfmt.toml consistent with polkadot Co-authored-by: André Silva <andrerfosilva@gmail.com>
46 lines
1.6 KiB
Rust
46 lines
1.6 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2021 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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//! Migrations for the AURA pallet.
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use frame_support::{pallet_prelude::*, traits::Get, weights::Weight};
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struct __LastTimestamp<T>(sp_std::marker::PhantomData<T>);
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impl<T: RemoveLastTimestamp> frame_support::traits::StorageInstance for __LastTimestamp<T> {
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fn pallet_prefix() -> &'static str {
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T::PalletPrefix::get()
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}
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const STORAGE_PREFIX: &'static str = "LastTimestamp";
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}
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type LastTimestamp<T> = StorageValue<__LastTimestamp<T>, (), ValueQuery>;
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pub trait RemoveLastTimestamp: super::Config {
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type PalletPrefix: Get<&'static str>;
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}
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/// Remove the `LastTimestamp` storage value.
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///
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/// This storage value was removed and replaced by `CurrentSlot`. As we only remove this storage
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/// value, it is safe to call this method multiple times.
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///
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/// This migration requires a type `T` that implements [`RemoveLastTimestamp`].
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pub fn remove_last_timestamp<T: RemoveLastTimestamp>() -> Weight {
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LastTimestamp::<T>::kill();
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T::DbWeight::get().writes(1)
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}
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