mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-07-08 19:27:23 +00:00
Tomasz Drwięga
8778ca7dc8
* Rename: Phase 1. * Unify codec. * Fixing: Phase 2 * Fixing: Phase 3. * Fixing: Phase 4. * Fixing: Phase 5. * Fixing: Phase 6. * Fixing: Phase 7. * Fixing: Phase 8. Tests * Fixing: Phase 9. Tests!!! * Fixing: Phase 10. Moar tests! * Finally done! * More fixes. * Rename primitives:: to sp_core:: * Apply renames in finality-grandpa. * Fix benches. * Fix benches 2. * Revert node-template. * Fix frame-system in our modules.
81 lines
2.4 KiB
Rust
81 lines
2.4 KiB
Rust
// Copyright 2019 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 API backend for full nodes.
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use std::sync::Arc;
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use rpc::futures::future::result;
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use sc_rpc_api::Subscriptions;
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use sc_client_api::{CallExecutor, backend::Backend};
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use sc_client::Client;
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use sp_core::{H256, Blake2Hasher};
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use sp_runtime::{
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generic::{BlockId, SignedBlock},
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traits::{Block as BlockT},
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};
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use super::{ChainBackend, client_err, error::FutureResult};
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/// Blockchain API backend for full nodes. Reads all the data from local database.
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pub struct FullChain<B, E, Block: BlockT, RA> {
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/// Substrate client.
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client: Arc<Client<B, E, Block, RA>>,
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/// Current subscriptions.
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subscriptions: Subscriptions,
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}
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impl<B, E, Block: BlockT, RA> FullChain<B, E, Block, RA> {
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/// Create new Chain API RPC handler.
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pub fn new(client: Arc<Client<B, E, Block, RA>>, subscriptions: Subscriptions) -> Self {
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Self {
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client,
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subscriptions,
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}
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}
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}
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impl<B, E, Block, RA> ChainBackend<B, E, Block, RA> for FullChain<B, E, Block, RA> where
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Block: BlockT<Hash=H256> + 'static,
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B: Backend<Block, Blake2Hasher> + Send + Sync + 'static,
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E: CallExecutor<Block, Blake2Hasher> + Send + Sync + 'static,
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RA: Send + Sync + 'static,
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{
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fn client(&self) -> &Arc<Client<B, E, Block, RA>> {
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&self.client
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}
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fn subscriptions(&self) -> &Subscriptions {
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&self.subscriptions
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}
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fn header(&self, hash: Option<Block::Hash>) -> FutureResult<Option<Block::Header>> {
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Box::new(result(self.client
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.header(&BlockId::Hash(self.unwrap_or_best(hash)))
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.map_err(client_err)
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))
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}
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fn block(&self, hash: Option<Block::Hash>)
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-> FutureResult<Option<SignedBlock<Block>>>
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{
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Box::new(result(self.client
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.block(&BlockId::Hash(self.unwrap_or_best(hash)))
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.map_err(client_err)
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))
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}
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}
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