git.delta.rocks / unique-network / refs/commits / 9029637fc63d

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! Service and ServiceFactory implementation. Specialized wrapper over substrate service.1819// std20use std::sync::Arc;21use std::sync::Mutex;22use std::collections::BTreeMap;23use std::time::Duration;24use fc_rpc_core::types::FeeHistoryCache;25use futures::StreamExt;2627use unique_rpc::overrides_handle;2829use serde::{Serialize, Deserialize};3031// Cumulus Imports32use cumulus_client_consensus_aura::{AuraConsensus, BuildAuraConsensusParams, SlotProportion};33use cumulus_client_consensus_common::ParachainConsensus;34use cumulus_client_service::{35	prepare_node_config, start_collator, start_full_node, StartCollatorParams, StartFullNodeParams,36};37use cumulus_client_network::BlockAnnounceValidator;38use cumulus_primitives_core::ParaId;39use cumulus_relay_chain_interface::RelayChainInterface;40use cumulus_relay_chain_local::build_relay_chain_interface;4142// Substrate Imports43use sc_client_api::ExecutorProvider;44use sc_executor::NativeElseWasmExecutor;45use sc_executor::NativeExecutionDispatch;46use sc_network::NetworkService;47use sc_service::{BasePath, Configuration, PartialComponents, Role, TaskManager};48use sc_telemetry::{Telemetry, TelemetryHandle, TelemetryWorker, TelemetryWorkerHandle};49use sp_consensus::SlotData;50use sp_keystore::SyncCryptoStorePtr;51use sp_runtime::traits::BlakeTwo256;52use substrate_prometheus_endpoint::Registry;53use sc_client_api::BlockchainEvents;5455// Frontier Imports56use fc_rpc_core::types::FilterPool;57use fc_mapping_sync::{MappingSyncWorker, SyncStrategy};5859use unique_runtime_common::types::{AuraId, RuntimeInstance, AccountId, Balance, Index, Hash, Block};60use crate::chain_spec::ServiceId;6162/// Native executor instance.63pub struct UniqueRuntimeExecutor;64pub struct QuartzRuntimeExecutor;65pub struct OpalRuntimeExecutor;6667#[cfg(feature = "unique-runtime")]68impl NativeExecutionDispatch for UniqueRuntimeExecutor {69	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;7071	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {72		unique_runtime::api::dispatch(method, data)73	}7475	fn native_version() -> sc_executor::NativeVersion {76		unique_runtime::native_version()77	}78}7980#[cfg(feature = "quartz-runtime")]81impl NativeExecutionDispatch for QuartzRuntimeExecutor {82	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;8384	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {85		quartz_runtime::api::dispatch(method, data)86	}8788	fn native_version() -> sc_executor::NativeVersion {89		quartz_runtime::native_version()90	}91}9293impl NativeExecutionDispatch for OpalRuntimeExecutor {94	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;9596	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {97		opal_runtime::api::dispatch(method, data)98	}99100	fn native_version() -> sc_executor::NativeVersion {101		opal_runtime::native_version()102	}103}104105pub fn open_frontier_backend(config: &Configuration) -> Result<Arc<fc_db::Backend<Block>>, String> {106	let config_dir = config107		.base_path108		.as_ref()109		.map(|base_path| base_path.config_dir(config.chain_spec.id()))110		.unwrap_or_else(|| {111			BasePath::from_project("", "", "unique").config_dir(config.chain_spec.id())112		});113	let database_dir = config_dir.join("frontier").join("db");114115	Ok(Arc::new(fc_db::Backend::<Block>::new(116		&fc_db::DatabaseSettings {117			source: fc_db::DatabaseSettingsSrc::RocksDb {118				path: database_dir,119				cache_size: 0,120			},121		},122	)?))123}124125type FullClient<RuntimeApi, ExecutorDispatch> =126	sc_service::TFullClient<Block, RuntimeApi, NativeElseWasmExecutor<ExecutorDispatch>>;127type FullBackend = sc_service::TFullBackend<Block>;128type FullSelectChain = sc_consensus::LongestChain<FullBackend, Block>;129type MaybeSelectChain = Option<FullSelectChain>;130131/// Starts a `ServiceBuilder` for a full service.132///133/// Use this macro if you don't actually need the full service, but just the builder in order to134/// be able to perform chain operations.135#[allow(clippy::type_complexity)]136pub fn new_partial<RuntimeApi, ExecutorDispatch, BIQ>(137	config: &Configuration,138	build_import_queue: BIQ,139	service_id: ServiceId,140) -> Result<141	PartialComponents<142		FullClient<RuntimeApi, ExecutorDispatch>,143		FullBackend,144		MaybeSelectChain,145		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,146		sc_transaction_pool::FullPool<Block, FullClient<RuntimeApi, ExecutorDispatch>>,147		(148			Option<Telemetry>,149			Option<FilterPool>,150			Arc<fc_db::Backend<Block>>,151			Option<TelemetryWorkerHandle>,152			FeeHistoryCache,153		),154	>,155	sc_service::Error,156>157where158	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,159	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>160		+ Send161		+ Sync162		+ 'static,163	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>,164	ExecutorDispatch: NativeExecutionDispatch + 'static,165	BIQ: FnOnce(166		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,167		&Configuration,168		Option<TelemetryHandle>,169		&TaskManager,170	) -> Result<171		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,172		sc_service::Error,173	>,174{175	let _telemetry = config176		.telemetry_endpoints177		.clone()178		.filter(|x| !x.is_empty())179		.map(|endpoints| -> Result<_, sc_telemetry::Error> {180			let worker = TelemetryWorker::new(16)?;181			let telemetry = worker.handle().new_telemetry(endpoints);182			Ok((worker, telemetry))183		})184		.transpose()?;185186	let telemetry = config187		.telemetry_endpoints188		.clone()189		.filter(|x| !x.is_empty())190		.map(|endpoints| -> Result<_, sc_telemetry::Error> {191			let worker = TelemetryWorker::new(16)?;192			let telemetry = worker.handle().new_telemetry(endpoints);193			Ok((worker, telemetry))194		})195		.transpose()?;196197	let executor = NativeElseWasmExecutor::<ExecutorDispatch>::new(198		config.wasm_method,199		config.default_heap_pages,200		config.max_runtime_instances,201		config.runtime_cache_size,202	);203204	let (client, backend, keystore_container, task_manager) =205		sc_service::new_full_parts::<Block, RuntimeApi, _>(206			config,207			telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),208			executor,209		)?;210	let client = Arc::new(client);211212	let telemetry_worker_handle = telemetry.as_ref().map(|(worker, _)| worker.handle());213214	let telemetry = telemetry.map(|(worker, telemetry)| {215		task_manager216			.spawn_handle()217			.spawn("telemetry", None, worker.run());218		telemetry219	});220221	let select_chain = match service_id {222		ServiceId::Prod => Some(sc_consensus::LongestChain::new(backend.clone())),223		ServiceId::Dev => None,224	};225226	let transaction_pool = sc_transaction_pool::BasicPool::new_full(227		config.transaction_pool.clone(),228		config.role.is_authority().into(),229		config.prometheus_registry(),230		task_manager.spawn_essential_handle(),231		client.clone(),232	);233234	let filter_pool: Option<FilterPool> = Some(Arc::new(Mutex::new(BTreeMap::new())));235236	let frontier_backend = open_frontier_backend(config)?;237238	let import_queue = build_import_queue(239		client.clone(),240		config,241		telemetry.as_ref().map(|telemetry| telemetry.handle()),242		&task_manager,243	)?;244	let fee_history_cache: FeeHistoryCache = Arc::new(Mutex::new(BTreeMap::new()));245246	let params = PartialComponents {247		backend,248		client,249		import_queue,250		keystore_container,251		task_manager,252		transaction_pool,253		select_chain,254		other: (255			telemetry,256			filter_pool,257			frontier_backend,258			telemetry_worker_handle,259			fee_history_cache,260		),261	};262263	Ok(params)264}265266/// Start a node with the given parachain `Configuration` and relay chain `Configuration`.267///268/// This is the actual implementation that is abstract over the executor and the runtime api.269#[sc_tracing::logging::prefix_logs_with("Parachain")]270async fn start_node_impl<Runtime, RuntimeApi, ExecutorDispatch, BIQ, BIC>(271	parachain_config: Configuration,272	polkadot_config: Configuration,273	id: ParaId,274	build_import_queue: BIQ,275	build_consensus: BIC,276) -> sc_service::error::Result<(TaskManager, Arc<FullClient<RuntimeApi, ExecutorDispatch>>)>277where278	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,279	Runtime: RuntimeInstance + Send + Sync + 'static,280	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,281	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,282	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>283		+ Send284		+ Sync285		+ 'static,286	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>287		+ fp_rpc::EthereumRuntimeRPCApi<Block>288		+ sp_session::SessionKeys<Block>289		+ sp_block_builder::BlockBuilder<Block>290		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>291		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>292		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>293		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>294		+ sp_api::Metadata<Block>295		+ sp_offchain::OffchainWorkerApi<Block>296		+ cumulus_primitives_core::CollectCollationInfo<Block>,297	ExecutorDispatch: NativeExecutionDispatch + 'static,298	BIQ: FnOnce(299		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,300		&Configuration,301		Option<TelemetryHandle>,302		&TaskManager,303	) -> Result<304		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,305		sc_service::Error,306	>,307	BIC: FnOnce(308		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,309		Option<&Registry>,310		Option<TelemetryHandle>,311		&TaskManager,312		Arc<dyn RelayChainInterface>,313		Arc<sc_transaction_pool::FullPool<Block, FullClient<RuntimeApi, ExecutorDispatch>>>,314		Arc<NetworkService<Block, Hash>>,315		SyncCryptoStorePtr,316		bool,317	) -> Result<Box<dyn ParachainConsensus<Block>>, sc_service::Error>,318{319	if matches!(parachain_config.role, Role::Light) {320		return Err("Light client not supported!".into());321	}322323	let parachain_config = prepare_node_config(parachain_config);324325	let params = new_partial::<RuntimeApi, ExecutorDispatch, BIQ>(326		&parachain_config,327		build_import_queue,328		ServiceId::Prod,329	)?;330	let (mut telemetry, filter_pool, frontier_backend, telemetry_worker_handle, fee_history_cache) =331		params.other;332333	let client = params.client.clone();334	let backend = params.backend.clone();335	let mut task_manager = params.task_manager;336337	let (relay_chain_interface, collator_key) =338		build_relay_chain_interface(polkadot_config, telemetry_worker_handle, &mut task_manager)339			.map_err(|e| match e {340				polkadot_service::Error::Sub(x) => x,341				s => format!("{}", s).into(),342			})?;343344	let block_announce_validator = BlockAnnounceValidator::new(relay_chain_interface.clone(), id);345346	let force_authoring = parachain_config.force_authoring;347	let validator = parachain_config.role.is_authority();348	let prometheus_registry = parachain_config.prometheus_registry().cloned();349	let transaction_pool = params.transaction_pool.clone();350	let import_queue = cumulus_client_service::SharedImportQueue::new(params.import_queue);351352	let (network, system_rpc_tx, start_network) =353		sc_service::build_network(sc_service::BuildNetworkParams {354			config: &parachain_config,355			client: client.clone(),356			transaction_pool: transaction_pool.clone(),357			spawn_handle: task_manager.spawn_handle(),358			import_queue: import_queue.clone(),359			block_announce_validator_builder: Some(Box::new(|_| {360				Box::new(block_announce_validator)361			})),362			warp_sync: None,363		})?;364365	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());366	let rpc_client = client.clone();367	let rpc_pool = transaction_pool.clone();368	let select_chain = params369		.select_chain370		.expect("select_chain always exists when running Prod service; qed")371		.clone();372	let rpc_network = network.clone();373374	let rpc_frontier_backend = frontier_backend.clone();375376	let block_data_cache = Arc::new(fc_rpc::EthBlockDataCache::new(377		task_manager.spawn_handle(),378		overrides_handle::<_, _, Runtime>(client.clone()),379		50,380		50,381	));382383	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {384		let full_deps = unique_rpc::FullDeps {385			backend: rpc_frontier_backend.clone(),386			deny_unsafe,387			client: rpc_client.clone(),388			pool: rpc_pool.clone(),389			graph: rpc_pool.pool().clone(),390			// TODO: Unhardcode391			enable_dev_signer: false,392			filter_pool: filter_pool.clone(),393			network: rpc_network.clone(),394			select_chain: select_chain.clone(),395			is_authority: validator,396			// TODO: Unhardcode397			max_past_logs: 10000,398			block_data_cache: block_data_cache.clone(),399			fee_history_cache: fee_history_cache.clone(),400			// TODO: Unhardcode401			fee_history_limit: 2048,402		};403404		Ok(405			unique_rpc::create_full::<_, _, _, _, Runtime, RuntimeApi, _>(406				full_deps,407				subscription_executor.clone(),408			),409		)410	});411412	task_manager.spawn_essential_handle().spawn(413		"frontier-mapping-sync-worker",414		None,415		MappingSyncWorker::new(416			client.import_notification_stream(),417			Duration::new(6, 0),418			client.clone(),419			backend.clone(),420			frontier_backend.clone(),421			SyncStrategy::Normal,422		)423		.for_each(|()| futures::future::ready(())),424	);425426	sc_service::spawn_tasks(sc_service::SpawnTasksParams {427		rpc_extensions_builder,428		client: client.clone(),429		transaction_pool: transaction_pool.clone(),430		task_manager: &mut task_manager,431		config: parachain_config,432		keystore: params.keystore_container.sync_keystore(),433		backend: backend.clone(),434		network: network.clone(),435		system_rpc_tx,436		telemetry: telemetry.as_mut(),437	})?;438439	let announce_block = {440		let network = network.clone();441		Arc::new(move |hash, data| network.announce_block(hash, data))442	};443444	let relay_chain_slot_duration = Duration::from_secs(6);445446	if validator {447		let parachain_consensus = build_consensus(448			client.clone(),449			prometheus_registry.as_ref(),450			telemetry.as_ref().map(|t| t.handle()),451			&task_manager,452			relay_chain_interface.clone(),453			transaction_pool,454			network,455			params.keystore_container.sync_keystore(),456			force_authoring,457		)?;458459		let spawner = task_manager.spawn_handle();460461		let params = StartCollatorParams {462			para_id: id,463			block_status: client.clone(),464			announce_block,465			client: client.clone(),466			task_manager: &mut task_manager,467			spawner,468			parachain_consensus,469			import_queue,470			collator_key,471			relay_chain_interface,472			relay_chain_slot_duration,473		};474475		start_collator(params).await?;476	} else {477		let params = StartFullNodeParams {478			client: client.clone(),479			announce_block,480			task_manager: &mut task_manager,481			para_id: id,482			import_queue,483			relay_chain_interface,484			relay_chain_slot_duration,485		};486487		start_full_node(params)?;488	}489490	start_network.start_network();491492	Ok((task_manager, client))493}494495/// Build the import queue for the the parachain runtime.496pub fn parachain_build_import_queue<RuntimeApi, ExecutorDispatch>(497	client: Arc<FullClient<RuntimeApi, ExecutorDispatch>>,498	config: &Configuration,499	telemetry: Option<TelemetryHandle>,500	task_manager: &TaskManager,501) -> Result<502	sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,503	sc_service::Error,504>505where506	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>507		+ Send508		+ Sync509		+ 'static,510	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>511		+ sp_block_builder::BlockBuilder<Block>512		+ sp_consensus_aura::AuraApi<Block, AuraId>513		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>,514	ExecutorDispatch: NativeExecutionDispatch + 'static,515{516	let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;517518	cumulus_client_consensus_aura::import_queue::<519		sp_consensus_aura::sr25519::AuthorityPair,520		_,521		_,522		_,523		_,524		_,525		_,526	>(cumulus_client_consensus_aura::ImportQueueParams {527		block_import: client.clone(),528		client: client.clone(),529		create_inherent_data_providers: move |_, _| async move {530			let time = sp_timestamp::InherentDataProvider::from_system_time();531532			let slot =533				sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_duration(534					*time,535					slot_duration.slot_duration(),536				);537538			Ok((time, slot))539		},540		registry: config.prometheus_registry(),541		can_author_with: sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone()),542		spawner: &task_manager.spawn_essential_handle(),543		telemetry,544	})545	.map_err(Into::into)546}547548/// Start a normal parachain node.549pub async fn start_node<Runtime, RuntimeApi, ExecutorDispatch>(550	parachain_config: Configuration,551	polkadot_config: Configuration,552	id: ParaId,553) -> sc_service::error::Result<(TaskManager, Arc<FullClient<RuntimeApi, ExecutorDispatch>>)>554where555	Runtime: RuntimeInstance + Send + Sync + 'static,556	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,557	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,558	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>559		+ Send560		+ Sync561		+ 'static,562	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>563		+ fp_rpc::EthereumRuntimeRPCApi<Block>564		+ sp_session::SessionKeys<Block>565		+ sp_block_builder::BlockBuilder<Block>566		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>567		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>568		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>569		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>570		+ sp_api::Metadata<Block>571		+ sp_offchain::OffchainWorkerApi<Block>572		+ cumulus_primitives_core::CollectCollationInfo<Block>573		+ sp_consensus_aura::AuraApi<Block, AuraId>,574	ExecutorDispatch: NativeExecutionDispatch + 'static,575{576	start_node_impl::<Runtime, RuntimeApi, ExecutorDispatch, _, _>(577		parachain_config,578		polkadot_config,579		id,580		parachain_build_import_queue,581		|client,582		 prometheus_registry,583		 telemetry,584		 task_manager,585		 relay_chain_interface,586		 transaction_pool,587		 sync_oracle,588		 keystore,589		 force_authoring| {590			let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;591592			let proposer_factory = sc_basic_authorship::ProposerFactory::with_proof_recording(593				task_manager.spawn_handle(),594				client.clone(),595				transaction_pool,596				prometheus_registry,597				telemetry.clone(),598			);599600			Ok(AuraConsensus::build::<601				sp_consensus_aura::sr25519::AuthorityPair,602				_,603				_,604				_,605				_,606				_,607				_,608			>(BuildAuraConsensusParams {609				proposer_factory,610				create_inherent_data_providers: move |_, (relay_parent, validation_data)| {611					let relay_chain_interface = relay_chain_interface.clone();612					async move {613						let parachain_inherent =614						cumulus_primitives_parachain_inherent::ParachainInherentData::create_at(615							relay_parent,616							&relay_chain_interface,617							&validation_data,618							id,619						).await;620621						let time = sp_timestamp::InherentDataProvider::from_system_time();622623						let slot =624						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_duration(625							*time,626							slot_duration.slot_duration(),627						);628629						let parachain_inherent = parachain_inherent.ok_or_else(|| {630							Box::<dyn std::error::Error + Send + Sync>::from(631								"Failed to create parachain inherent",632							)633						})?;634						Ok((time, slot, parachain_inherent))635					}636				},637				block_import: client.clone(),638				para_client: client,639				backoff_authoring_blocks: Option::<()>::None,640				sync_oracle,641				keystore,642				force_authoring,643				slot_duration: *slot_duration,644				// We got around 500ms for proposing645				block_proposal_slot_portion: SlotProportion::new(1f32 / 24f32),646				telemetry,647				max_block_proposal_slot_portion: None,648			}))649		},650	)651	.await652}653654fn dev_build_import_queue<RuntimeApi, ExecutorDispatch>(655	client: Arc<FullClient<RuntimeApi, ExecutorDispatch>>,656	config: &Configuration,657	_: Option<TelemetryHandle>,658	task_manager: &TaskManager,659) -> Result<660	sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,661	sc_service::Error,662>663where664	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>665		+ Send666		+ Sync667		+ 'static,668	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>669		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>,670	ExecutorDispatch: NativeExecutionDispatch + 'static,671{672	Ok(sc_consensus_manual_seal::import_queue(673		Box::new(client.clone()),674		&task_manager.spawn_essential_handle(),675		config.prometheus_registry(),676	))677}678679/// Builds a new development service. This service uses instant seal, and mocks680/// the parachain inherent681pub fn start_dev_node<Runtime, RuntimeApi, ExecutorDispatch>(682	config: Configuration,683) -> sc_service::error::Result<TaskManager>684where685	Runtime: RuntimeInstance + Send + Sync + 'static,686	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,687	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,688	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>689		+ Send690		+ Sync691		+ 'static,692	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>693		+ fp_rpc::EthereumRuntimeRPCApi<Block>694		+ sp_session::SessionKeys<Block>695		+ sp_block_builder::BlockBuilder<Block>696		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>697		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>698		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>699		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>700		+ sp_api::Metadata<Block>701		+ sp_offchain::OffchainWorkerApi<Block>702		+ cumulus_primitives_core::CollectCollationInfo<Block>703		+ sp_consensus_aura::AuraApi<Block, AuraId>,704	ExecutorDispatch: NativeExecutionDispatch + 'static,705{706	use futures::Stream;707	use sc_consensus_manual_seal::{run_manual_seal, EngineCommand, ManualSealParams};708	use fc_consensus::FrontierBlockImport;709	use sc_client_api::HeaderBackend;710711	let sc_service::PartialComponents {712		client,713		backend,714		mut task_manager,715		import_queue,716		keystore_container,717		select_chain: maybe_select_chain,718		transaction_pool,719		other:720			(telemetry, filter_pool, frontier_backend, _telemetry_worker_handle, fee_history_cache),721	} = new_partial::<RuntimeApi, ExecutorDispatch, _>(722		&config,723		dev_build_import_queue::<RuntimeApi, ExecutorDispatch>,724		ServiceId::Dev,725	)?;726727	let block_data_cache = Arc::new(fc_rpc::EthBlockDataCache::new(728		task_manager.spawn_handle(),729		overrides_handle::<_, _, Runtime>(client.clone()),730		50,731		50,732	));733734	let (network, system_rpc_tx, network_starter) =735		sc_service::build_network(sc_service::BuildNetworkParams {736			config: &config,737			client: client.clone(),738			transaction_pool: transaction_pool.clone(),739			spawn_handle: task_manager.spawn_handle(),740			import_queue,741			block_announce_validator_builder: None,742			warp_sync: None,743		})?;744745	if config.offchain_worker.enabled {746		sc_service::build_offchain_workers(747			&config,748			task_manager.spawn_handle(),749			client.clone(),750			network.clone(),751		);752	}753754	let prometheus_registry = config.prometheus_registry().cloned();755	let collator = config.role.is_authority();756757	let select_chain = maybe_select_chain.clone().expect(758		"`new_partial` builds a `LongestChainRule` when building dev service.\759			We specified the dev service when calling `new_partial`.\760			Therefore, a `LongestChainRule` is present. qed.",761	);762763	if collator {764		let block_import =765			FrontierBlockImport::new(client.clone(), client.clone(), frontier_backend.clone());766767		let env = sc_basic_authorship::ProposerFactory::new(768			task_manager.spawn_handle(),769			client.clone(),770			transaction_pool.clone(),771			prometheus_registry.as_ref(),772			telemetry.as_ref().map(|x| x.handle()),773		);774775		let commands_stream: Box<dyn Stream<Item = EngineCommand<Hash>> + Send + Sync + Unpin> =776			Box::new(777				// This bit cribbed from the implementation of instant seal.778				transaction_pool779					.pool()780					.validated_pool()781					.import_notification_stream()782					.map(|_| EngineCommand::SealNewBlock {783						create_empty: true, // was false in Moonbeam784						finalize: false,785						parent_hash: None,786						sender: None,787					}),788			);789790		let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;791		let client_set_aside_for_cidp = client.clone();792793		task_manager.spawn_essential_handle().spawn_blocking(794			"authorship_task",795			Some("block-authoring"),796			run_manual_seal(ManualSealParams {797				block_import,798				env,799				client: client.clone(),800				pool: transaction_pool.clone(),801				commands_stream,802				select_chain: select_chain.clone(),803				consensus_data_provider: None,804				create_inherent_data_providers: move |block: Hash, ()| {805					let current_para_block = client_set_aside_for_cidp806						.number(block)807						.expect("Header lookup should succeed")808						.expect("Header passed in as parent should be present in backend.");809810					let client_for_xcm = client_set_aside_for_cidp.clone();811					async move {812						let time = sp_timestamp::InherentDataProvider::from_system_time();813814						let mocked_parachain = cumulus_primitives_parachain_inherent::MockValidationDataInherentDataProvider {815							current_para_block,816							relay_offset: 1000,817							relay_blocks_per_para_block: 2,818							xcm_config: cumulus_primitives_parachain_inherent::MockXcmConfig::new(819								&*client_for_xcm,820								block,821								Default::default(),822								Default::default(),823							),824							raw_downward_messages: vec![],825							raw_horizontal_messages: vec![],826						};827828						let slot =829						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_duration(830							*time,831							slot_duration.slot_duration(),832						);833834						Ok((time, slot, mocked_parachain))835					}836				},837			}),838		);839	}840841	task_manager.spawn_essential_handle().spawn(842		"frontier-mapping-sync-worker",843		Some("block-authoring"),844		MappingSyncWorker::new(845			client.import_notification_stream(),846			Duration::new(6, 0),847			client.clone(),848			backend.clone(),849			frontier_backend.clone(),850			SyncStrategy::Normal,851		)852		.for_each(|()| futures::future::ready(())),853	);854855	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());856	let rpc_client = client.clone();857	let rpc_pool = transaction_pool.clone();858	let rpc_network = network.clone();859	let rpc_frontier_backend = frontier_backend.clone();860	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {861		let full_deps = unique_rpc::FullDeps {862			backend: rpc_frontier_backend.clone(),863			deny_unsafe,864			client: rpc_client.clone(),865			pool: rpc_pool.clone(),866			graph: rpc_pool.pool().clone(),867			// TODO: Unhardcode868			enable_dev_signer: false,869			filter_pool: filter_pool.clone(),870			network: rpc_network.clone(),871			select_chain: select_chain.clone(),872			is_authority: collator,873			// TODO: Unhardcode874			max_past_logs: 10000,875			block_data_cache: block_data_cache.clone(),876			fee_history_cache: fee_history_cache.clone(),877			// TODO: Unhardcode878			fee_history_limit: 2048,879		};880881		Ok(882			unique_rpc::create_full::<_, _, _, _, Runtime, RuntimeApi, _>(883				full_deps,884				subscription_executor.clone(),885			),886		)887	});888889	sc_service::spawn_tasks(sc_service::SpawnTasksParams {890		network,891		client,892		keystore: keystore_container.sync_keystore(),893		task_manager: &mut task_manager,894		transaction_pool,895		rpc_extensions_builder,896		backend,897		system_rpc_tx,898		config,899		telemetry: None,900	})?;901902	network_starter.start_network();903	Ok(task_manager)904}