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frame: remove finality-tracker (#7228)

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* frame: remove finality-tracker

* node: remove unused parameter types

* node: bump spec_version
This commit is contained in:
André Silva
2020-10-15 21:58:51 +01:00
committed by GitHub
parent 8e8a37f7a1
commit f3ea1624f6
22 changed files with 21 additions and 638 deletions
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substrate/primitives/finality-tracker/Cargo.toml
-26
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@@ -1,26 +0,0 @@
[package]
name = "sp-finality-tracker"
version = "2.0.0"
authors = ["Parity Technologies <admin@parity.io>"]
edition = "2018"
license = "Apache-2.0"
homepage = "https://substrate.dev"
repository = "https://github.com/paritytech/substrate/"
description = "FRAME module that tracks the last finalized block, as perceived by block authors."
readme = "README.md"
[package.metadata.docs.rs]
targets = ["x86_64-unknown-linux-gnu"]
[dependencies]
codec = { package = "parity-scale-codec", version = "1.3.1", default-features = false }
sp-inherents = { version = "2.0.0", default-features = false, path = "../../primitives/inherents" }
sp-std = { version = "2.0.0", default-features = false, path = "../../primitives/std" }
[features]
default = ["std"]
std = [
"codec/std",
"sp-std/std",
"sp-inherents/std",
]
substrate/primitives/finality-tracker/README.md
-3
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@@ -1,3 +0,0 @@
FRAME module that tracks the last finalized block, as perceived by block authors.
License: Apache-2.0
substrate/primitives/finality-tracker/src/lib.rs
-77
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@@ -1,77 +0,0 @@
// This file is part of Substrate.
// Copyright (C) 2019-2020 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! FRAME module that tracks the last finalized block, as perceived by block authors.
#![cfg_attr(not(feature = "std"), no_std)]
use sp_inherents::{InherentIdentifier, InherentData, Error};
use codec::Decode;
#[cfg(feature = "std")]
use codec::Encode;
/// The identifier for the `finalnum` inherent.
pub const INHERENT_IDENTIFIER: InherentIdentifier = *b"finalnum";
/// Auxiliary trait to extract finalized inherent data.
pub trait FinalizedInherentData<N: Decode> {
/// Get finalized inherent data.
fn finalized_number(&self) -> Result<N, Error>;
}
impl<N: Decode> FinalizedInherentData<N> for InherentData {
fn finalized_number(&self) -> Result<N, Error> {
self.get_data(&INHERENT_IDENTIFIER)
.and_then(|r| r.ok_or_else(|| "Finalized number inherent data not found".into()))
}
}
/// Provider for inherent data.
#[cfg(feature = "std")]
pub struct InherentDataProvider<F, N> {
inner: F,
_marker: std::marker::PhantomData<N>,
}
#[cfg(feature = "std")]
impl<F, N> InherentDataProvider<F, N> {
pub fn new(final_oracle: F) -> Self {
InherentDataProvider { inner: final_oracle, _marker: Default::default() }
}
}
#[cfg(feature = "std")]
impl<F, N: Encode> sp_inherents::ProvideInherentData for InherentDataProvider<F, N>
where F: Fn() -> Result<N, Error>
{
fn inherent_identifier(&self) -> &'static InherentIdentifier {
&INHERENT_IDENTIFIER
}
fn provide_inherent_data(
&self,
inherent_data: &mut InherentData,
) -> Result<(), Error> {
(self.inner)()
.and_then(|n| inherent_data.put_data(INHERENT_IDENTIFIER, &n))
}
fn error_to_string(&self, _error: &[u8]) -> Option<String> {
Some(format!("no further information"))
}
}