mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-31 21:31:02 +00:00
Bastian Köcher
50 lines
1.8 KiB
Rust
50 lines
1.8 KiB
Rust
// This file is part of Substrate.
|
|
|
|
// Copyright (C) 2020-2022 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())))
|
|
}
|
|
}
|