Files
pezkuwi-subxt/substrate/client/finality-grandpa/rpc/src/finality.rs
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Bastian Köcher 7b56ab15b4 Run cargo fmt on the whole code base (#9394)
* 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>
2021-07-21 14:32:32 +00:00

50 lines
1.8 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2020-2021 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
// This program 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.
// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
use serde::{Deserialize, Serialize};
use sc_finality_grandpa::FinalityProofProvider;
use sp_runtime::traits::{Block as BlockT, NumberFor};
#[derive(Serialize, Deserialize)]
pub struct EncodedFinalityProof(pub sp_core::Bytes);
/// Local trait mainly to allow mocking in tests.
pub trait RpcFinalityProofProvider<Block: BlockT> {
/// Prove finality for the given block number by returning a Justification for the last block of
/// the authority set.
fn rpc_prove_finality(
&self,
block: NumberFor<Block>,
) -> Result<Option<EncodedFinalityProof>, sc_finality_grandpa::FinalityProofError>;
}
impl<B, Block> RpcFinalityProofProvider<Block> for FinalityProofProvider<B, Block>
where
Block: BlockT,
NumberFor<Block>: finality_grandpa::BlockNumberOps,
B: sc_client_api::backend::Backend<Block> + Send + Sync + 'static,
{
fn rpc_prove_finality(
&self,
block: NumberFor<Block>,
) -> Result<Option<EncodedFinalityProof>, sc_finality_grandpa::FinalityProofError> {
self.prove_finality(block).map(|x| x.map(|y| EncodedFinalityProof(y.into())))
}
}