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Remove migration code. (#5291)

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* Remove migration code.

* Fix cargo

* Bump spec version
This commit is contained in:
Gavin Wood
2020-03-19 23:01:13 +01:00
committed by GitHub
parent 81da73475c
commit 7947cbf915
61 changed files with 61 additions and 514 deletions
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substrate/client/consensus/epochs/src/lib.rs
-2
View File
@@ -16,8 +16,6 @@
//! Generic utilities for epoch-based consensus engines.
pub mod migration;
use std::{sync::Arc, ops::Add, collections::BTreeMap, borrow::{Borrow, BorrowMut}};
use parking_lot::Mutex;
use codec::{Encode, Decode};
substrate/client/consensus/epochs/src/migration.rs
-55
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@@ -1,55 +0,0 @@
// Copyright 2019-2020 Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Substrate is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
//! Migration types for epoch changes.
use std::collections::BTreeMap;
use codec::{Encode, Decode};
use fork_tree::ForkTree;
use sp_runtime::traits::{Block as BlockT, NumberFor};
use crate::{Epoch, EpochChanges, PersistedEpoch, PersistedEpochHeader};
/// Legacy definition of epoch changes.
#[derive(Clone, Encode, Decode)]
pub struct EpochChangesV0<Hash, Number, E: Epoch> {
inner: ForkTree<Hash, Number, PersistedEpoch<E>>,
}
/// Type alias for legacy definition of epoch changes.
pub type EpochChangesForV0<Block, Epoch> = EpochChangesV0<<Block as BlockT>::Hash, NumberFor<Block>, Epoch>;
impl<Hash, Number, E: Epoch> EpochChangesV0<Hash, Number, E> where
Hash: PartialEq + Ord + Copy,
Number: Ord + Copy,
{
/// Create a new value of this type from raw.
pub fn from_raw(inner: ForkTree<Hash, Number, PersistedEpoch<E>>) -> Self {
Self { inner }
}
/// Migrate the type into current epoch changes definition.
pub fn migrate(self) -> EpochChanges<Hash, Number, E> {
let mut epochs = BTreeMap::new();
let inner = self.inner.map(&mut |hash, number, data| {
let header = PersistedEpochHeader::from(&data);
epochs.insert((*hash, *number), data);
header
});
EpochChanges { inner, epochs }
}
}