mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-07 16:38:01 +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
81 lines
2.7 KiB
Rust
81 lines
2.7 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: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program 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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// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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//! Migration types for epoch changes.
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use crate::{Epoch, EpochChanges, PersistedEpoch, PersistedEpochHeader};
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use codec::{Decode, Encode};
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use fork_tree::ForkTree;
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use sp_runtime::traits::{Block as BlockT, NumberFor};
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use std::collections::BTreeMap;
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/// Legacy definition of epoch changes.
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#[derive(Clone, Encode, Decode)]
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pub struct EpochChangesV0<Hash, Number, E: Epoch> {
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inner: ForkTree<Hash, Number, PersistedEpoch<E>>,
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}
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/// Legacy definition of epoch changes.
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#[derive(Clone, Encode, Decode)]
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pub struct EpochChangesV1<Hash, Number, E: Epoch> {
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inner: ForkTree<Hash, Number, PersistedEpochHeader<E>>,
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epochs: BTreeMap<(Hash, Number), PersistedEpoch<E>>,
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}
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/// Type alias for v0 definition of epoch changes.
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pub type EpochChangesV0For<Block, Epoch> =
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EpochChangesV0<<Block as BlockT>::Hash, NumberFor<Block>, Epoch>;
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/// Type alias for v1 and v2 definition of epoch changes.
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pub type EpochChangesV1For<Block, Epoch> =
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EpochChangesV1<<Block as BlockT>::Hash, NumberFor<Block>, Epoch>;
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impl<Hash, Number, E: Epoch> EpochChangesV0<Hash, Number, E>
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where
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Hash: PartialEq + Ord + Copy,
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Number: Ord + Copy,
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{
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/// Create a new value of this type from raw.
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pub fn from_raw(inner: ForkTree<Hash, Number, PersistedEpoch<E>>) -> Self {
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Self { inner }
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}
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/// Migrate the type into current epoch changes definition.
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pub fn migrate(self) -> EpochChanges<Hash, Number, E> {
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let mut epochs = BTreeMap::new();
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let inner = self.inner.map(&mut |hash, number, data| {
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let header = PersistedEpochHeader::from(&data);
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epochs.insert((*hash, *number), data);
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header
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});
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EpochChanges { inner, epochs }
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}
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}
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impl<Hash, Number, E: Epoch> EpochChangesV1<Hash, Number, E>
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where
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Hash: PartialEq + Ord + Copy,
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Number: Ord + Copy,
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{
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/// Migrate the type into current epoch changes definition.
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pub fn migrate(self) -> EpochChanges<Hash, Number, E> {
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EpochChanges { inner: self.inner, epochs: self.epochs }
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}
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}
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