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Merge pull request #2973 from autonomys/custom-spawn_tasks
Custom `spawn_tasks`
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| Original file line number | Diff line number | Diff line change |
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| // Copyright (C) Parity Technologies (UK) Ltd. | ||
| // SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0 | ||
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| // 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. | ||
|
|
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| // 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. | ||
|
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| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
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| use sc_client_api::{ | ||
| BlockBackend, BlockchainEvents, ExecutorProvider, ProofProvider, StorageProvider, UsageProvider, | ||
| }; | ||
| use sc_rpc_api::DenyUnsafe; | ||
| use sc_service::{ | ||
| gen_rpc_module, init_telemetry, propagate_transaction_notifications, start_rpc_servers, Error, | ||
| MetricsService, RpcHandlers, SpawnTasksParams, | ||
| }; | ||
| use sc_transaction_pool_api::MaintainedTransactionPool; | ||
| use sp_api::{CallApiAt, ProvideRuntimeApi}; | ||
| use sp_blockchain::{HeaderBackend, HeaderMetadata}; | ||
| use sp_consensus::block_validation::Chain; | ||
| use sp_runtime::traits::{Block as BlockT, BlockIdTo}; | ||
| use std::sync::Arc; | ||
| use tracing::info; | ||
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| /// Spawn the tasks that are required to run a node. | ||
| pub(super) fn spawn_tasks<TBl, TBackend, TExPool, TRpc, TCl>( | ||
| params: SpawnTasksParams<TBl, TCl, TExPool, TRpc, TBackend>, | ||
| ) -> Result<RpcHandlers, Error> | ||
| where | ||
| TCl: ProvideRuntimeApi<TBl> | ||
| + HeaderMetadata<TBl, Error = sp_blockchain::Error> | ||
| + Chain<TBl> | ||
| + BlockBackend<TBl> | ||
| + BlockIdTo<TBl, Error = sp_blockchain::Error> | ||
| + ProofProvider<TBl> | ||
| + HeaderBackend<TBl> | ||
| + BlockchainEvents<TBl> | ||
| + ExecutorProvider<TBl> | ||
| + UsageProvider<TBl> | ||
| + StorageProvider<TBl, TBackend> | ||
| + CallApiAt<TBl> | ||
| + Send | ||
| + 'static, | ||
| <TCl as ProvideRuntimeApi<TBl>>::Api: sp_api::Metadata<TBl> | ||
| + sp_transaction_pool::runtime_api::TaggedTransactionQueue<TBl> | ||
| + sp_session::SessionKeys<TBl> | ||
| + sp_api::ApiExt<TBl>, | ||
| TBl: BlockT, | ||
| TBl::Hash: Unpin, | ||
| TBl::Header: Unpin, | ||
| TBackend: 'static + sc_client_api::backend::Backend<TBl> + Send, | ||
| TExPool: MaintainedTransactionPool<Block = TBl, Hash = <TBl as BlockT>::Hash> + 'static, | ||
| { | ||
| let SpawnTasksParams { | ||
| // TODO: Stop using `Configuration` once | ||
| // https://github.com/paritytech/polkadot-sdk/pull/5364 is in our fork | ||
| mut config, | ||
| task_manager, | ||
| client, | ||
| backend, | ||
| keystore, | ||
| transaction_pool, | ||
| rpc_builder, | ||
| network, | ||
| system_rpc_tx, | ||
| tx_handler_controller, | ||
| sync_service, | ||
| telemetry, | ||
| } = params; | ||
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| let chain_info = client.usage_info().chain; | ||
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| let sysinfo = sc_sysinfo::gather_sysinfo(); | ||
| sc_sysinfo::print_sysinfo(&sysinfo); | ||
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| let telemetry = telemetry | ||
| .map(|telemetry| { | ||
| init_telemetry( | ||
| &mut config, | ||
| network.clone(), | ||
| client.clone(), | ||
| telemetry, | ||
| Some(sysinfo), | ||
| ) | ||
| }) | ||
| .transpose()?; | ||
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| info!("📦 Highest known block at #{}", chain_info.best_number); | ||
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| let spawn_handle = task_manager.spawn_handle(); | ||
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| // Inform the tx pool about imported and finalized blocks. | ||
| spawn_handle.spawn( | ||
| "txpool-notifications", | ||
| Some("transaction-pool"), | ||
| sc_transaction_pool::notification_future(client.clone(), transaction_pool.clone()), | ||
| ); | ||
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| spawn_handle.spawn( | ||
| "on-transaction-imported", | ||
| Some("transaction-pool"), | ||
| propagate_transaction_notifications( | ||
| transaction_pool.clone(), | ||
| tx_handler_controller, | ||
| telemetry.clone(), | ||
| ), | ||
| ); | ||
|
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| // Periodically updated metrics and telemetry updates. | ||
| spawn_handle.spawn( | ||
| "telemetry-periodic-send", | ||
| None, | ||
| MetricsService::new(telemetry).run( | ||
| client.clone(), | ||
| transaction_pool.clone(), | ||
| network.clone(), | ||
| sync_service.clone(), | ||
| ), | ||
| ); | ||
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| let rpc_id_provider = config.rpc_id_provider.take(); | ||
|
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| // jsonrpsee RPC | ||
| let gen_rpc_module = |deny_unsafe: DenyUnsafe| { | ||
| gen_rpc_module( | ||
| deny_unsafe, | ||
| task_manager.spawn_handle(), | ||
| client.clone(), | ||
| transaction_pool.clone(), | ||
| keystore.clone(), | ||
| system_rpc_tx.clone(), | ||
| &config, | ||
| backend.clone(), | ||
| &*rpc_builder, | ||
| ) | ||
| }; | ||
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| let rpc = config | ||
| .rpc_addr | ||
| .map(|_| start_rpc_servers(&config, gen_rpc_module, rpc_id_provider)) | ||
| .transpose()?; | ||
| let rpc_handlers = RpcHandlers::new(Arc::new(gen_rpc_module(DenyUnsafe::No)?)); | ||
|
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| // Spawn informant task | ||
| spawn_handle.spawn( | ||
| "informant", | ||
| None, | ||
| sc_informant::build( | ||
| client.clone(), | ||
| network, | ||
| sync_service.clone(), | ||
| config.informant_output_format, | ||
| ), | ||
| ); | ||
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| task_manager.keep_alive((config.base_path, rpc)); | ||
|
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| Ok(rpc_handlers) | ||
| } |
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