mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-31 12:11:02 +00:00
Seun Lanlege
9898fc7e81
* removes use of sc_client::Client from sc_network * rename BlockProvider to BlockBackend * fix broken test
45 lines
1.7 KiB
Rust
45 lines
1.7 KiB
Rust
// Copyright 2017-2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate 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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// Substrate 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 Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Blockchain access trait
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use sp_blockchain::{Error, HeaderBackend, HeaderMetadata};
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use sc_client_api::{BlockBackend, ProofProvider};
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use sp_runtime::traits::{Block as BlockT, BlockIdTo};
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/// Local client abstraction for the network.
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pub trait Client<Block: BlockT>: HeaderBackend<Block> + ProofProvider<Block> + BlockIdTo<Block, Error = Error>
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+ BlockBackend<Block> + HeaderMetadata<Block, Error = Error> + Send + Sync
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{}
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impl<Block: BlockT, T> Client<Block> for T
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where
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T: HeaderBackend<Block> + ProofProvider<Block> + BlockIdTo<Block, Error = Error>
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+ BlockBackend<Block> + HeaderMetadata<Block, Error = Error> + Send + Sync
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{}
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/// Finality proof provider.
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pub trait FinalityProofProvider<Block: BlockT>: Send + Sync {
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/// Prove finality of the block.
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fn prove_finality(&self, for_block: Block::Hash, request: &[u8]) -> Result<Option<Vec<u8>>, Error>;
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}
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impl<Block: BlockT> FinalityProofProvider<Block> for () {
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fn prove_finality(&self, _for_block: Block::Hash, _request: &[u8]) -> Result<Option<Vec<u8>>, Error> {
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Ok(None)
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}
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}
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