git.delta.rocks / unique-network / refs/commits / 1ce1209cf657

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 std::pin::Pin;25use fc_rpc_core::types::FeeHistoryCache;26use futures::Future;27use futures::{28	Stream, StreamExt,29	stream::select,30	task::{Context, Poll},31};32use futures_timer::Delay;3334use unique_rpc::overrides_handle;3536use serde::{Serialize, Deserialize};3738// Cumulus Imports39use cumulus_client_consensus_aura::{AuraConsensus, BuildAuraConsensusParams, SlotProportion};40use cumulus_client_consensus_common::ParachainConsensus;41use cumulus_client_service::{42	prepare_node_config, start_collator, start_full_node, StartCollatorParams, StartFullNodeParams,43};44use cumulus_client_cli::CollatorOptions;45use cumulus_client_network::BlockAnnounceValidator;46use cumulus_primitives_core::ParaId;47use cumulus_relay_chain_inprocess_interface::build_inprocess_relay_chain;48use cumulus_relay_chain_interface::{RelayChainError, RelayChainInterface, RelayChainResult};49use cumulus_relay_chain_rpc_interface::RelayChainRPCInterface;5051// Substrate Imports52use sc_client_api::ExecutorProvider;53use sc_executor::NativeElseWasmExecutor;54use sc_executor::NativeExecutionDispatch;55use sc_network::NetworkService;56use sc_service::{BasePath, Configuration, PartialComponents, Role, TaskManager};57use sc_telemetry::{Telemetry, TelemetryHandle, TelemetryWorker, TelemetryWorkerHandle};58use sp_keystore::SyncCryptoStorePtr;59use sp_runtime::traits::BlakeTwo256;60use substrate_prometheus_endpoint::Registry;61use sc_client_api::BlockchainEvents;6263use polkadot_service::CollatorPair;6465// Frontier Imports66use fc_rpc_core::types::FilterPool;67use fc_mapping_sync::{MappingSyncWorker, SyncStrategy};6869use unique_runtime_common::types::{AuraId, RuntimeInstance, AccountId, Balance, Index, Hash, Block};7071/// Unique native executor instance.72#[cfg(feature = "unique-runtime")]73pub struct UniqueRuntimeExecutor;7475#[cfg(feature = "quartz-runtime")]76/// Quartz native executor instance.7778pub struct QuartzRuntimeExecutor;7980/// Opal native executor instance.81pub struct OpalRuntimeExecutor;8283#[cfg(feature = "unique-runtime")]84impl NativeExecutionDispatch for UniqueRuntimeExecutor {85	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;8687	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {88		unique_runtime::api::dispatch(method, data)89	}9091	fn native_version() -> sc_executor::NativeVersion {92		unique_runtime::native_version()93	}94}9596#[cfg(feature = "quartz-runtime")]97impl NativeExecutionDispatch for QuartzRuntimeExecutor {98	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;99100	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {101		quartz_runtime::api::dispatch(method, data)102	}103104	fn native_version() -> sc_executor::NativeVersion {105		quartz_runtime::native_version()106	}107}108109impl NativeExecutionDispatch for OpalRuntimeExecutor {110	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;111112	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {113		opal_runtime::api::dispatch(method, data)114	}115116	fn native_version() -> sc_executor::NativeVersion {117		opal_runtime::native_version()118	}119}120121pub struct AutosealInterval {122	duration: Duration,123	delay_handle: Pin<Box<Delay>>,124}125126impl AutosealInterval {127	pub fn new(duration: Duration) -> Result<Self, String> {128		if duration.is_zero() {129			return Err("Invalid autoseal interval: 0 seconds".into());130		}131132		Ok(Self {133			duration,134			delay_handle: Box::pin(Delay::new(duration)),135		})136	}137}138139impl Stream for AutosealInterval {140	type Item = ();141142	fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {143		match self.delay_handle.as_mut().poll(cx) {144			Poll::Ready(_) => {145				let duration = self.duration;146				self.delay_handle.reset(duration);147148				Poll::Ready(Some(()))149			}150			Poll::Pending => Poll::Pending,151		}152	}153}154155pub fn open_frontier_backend(config: &Configuration) -> Result<Arc<fc_db::Backend<Block>>, String> {156	let config_dir = config157		.base_path158		.as_ref()159		.map(|base_path| base_path.config_dir(config.chain_spec.id()))160		.unwrap_or_else(|| {161			BasePath::from_project("", "", "unique").config_dir(config.chain_spec.id())162		});163	let database_dir = config_dir.join("frontier").join("db");164165	Ok(Arc::new(fc_db::Backend::<Block>::new(166		&fc_db::DatabaseSettings {167			source: fc_db::DatabaseSettingsSrc::RocksDb {168				path: database_dir,169				cache_size: 0,170			},171		},172	)?))173}174175type FullClient<RuntimeApi, ExecutorDispatch> =176	sc_service::TFullClient<Block, RuntimeApi, NativeElseWasmExecutor<ExecutorDispatch>>;177type FullBackend = sc_service::TFullBackend<Block>;178type FullSelectChain = sc_consensus::LongestChain<FullBackend, Block>;179180/// Starts a `ServiceBuilder` for a full service.181///182/// Use this macro if you don't actually need the full service, but just the builder in order to183/// be able to perform chain operations.184#[allow(clippy::type_complexity)]185pub fn new_partial<RuntimeApi, ExecutorDispatch, BIQ>(186	config: &Configuration,187	build_import_queue: BIQ,188) -> Result<189	PartialComponents<190		FullClient<RuntimeApi, ExecutorDispatch>,191		FullBackend,192		FullSelectChain,193		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,194		sc_transaction_pool::FullPool<Block, FullClient<RuntimeApi, ExecutorDispatch>>,195		(196			Option<Telemetry>,197			Option<FilterPool>,198			Arc<fc_db::Backend<Block>>,199			Option<TelemetryWorkerHandle>,200			FeeHistoryCache,201		),202	>,203	sc_service::Error,204>205where206	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,207	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>208		+ Send209		+ Sync210		+ 'static,211	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>,212	ExecutorDispatch: NativeExecutionDispatch + 'static,213	BIQ: FnOnce(214		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,215		&Configuration,216		Option<TelemetryHandle>,217		&TaskManager,218	) -> Result<219		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,220		sc_service::Error,221	>,222{223	let _telemetry = config224		.telemetry_endpoints225		.clone()226		.filter(|x| !x.is_empty())227		.map(|endpoints| -> Result<_, sc_telemetry::Error> {228			let worker = TelemetryWorker::new(16)?;229			let telemetry = worker.handle().new_telemetry(endpoints);230			Ok((worker, telemetry))231		})232		.transpose()?;233234	let telemetry = config235		.telemetry_endpoints236		.clone()237		.filter(|x| !x.is_empty())238		.map(|endpoints| -> Result<_, sc_telemetry::Error> {239			let worker = TelemetryWorker::new(16)?;240			let telemetry = worker.handle().new_telemetry(endpoints);241			Ok((worker, telemetry))242		})243		.transpose()?;244245	let executor = NativeElseWasmExecutor::<ExecutorDispatch>::new(246		config.wasm_method,247		config.default_heap_pages,248		config.max_runtime_instances,249		config.runtime_cache_size,250	);251252	let (client, backend, keystore_container, task_manager) =253		sc_service::new_full_parts::<Block, RuntimeApi, _>(254			config,255			telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),256			executor,257		)?;258	let client = Arc::new(client);259260	let telemetry_worker_handle = telemetry.as_ref().map(|(worker, _)| worker.handle());261262	let telemetry = telemetry.map(|(worker, telemetry)| {263		task_manager264			.spawn_handle()265			.spawn("telemetry", None, worker.run());266		telemetry267	});268269	let select_chain = sc_consensus::LongestChain::new(backend.clone());270271	let transaction_pool = sc_transaction_pool::BasicPool::new_full(272		config.transaction_pool.clone(),273		config.role.is_authority().into(),274		config.prometheus_registry(),275		task_manager.spawn_essential_handle(),276		client.clone(),277	);278279	let filter_pool: Option<FilterPool> = Some(Arc::new(Mutex::new(BTreeMap::new())));280281	let frontier_backend = open_frontier_backend(config)?;282283	let import_queue = build_import_queue(284		client.clone(),285		config,286		telemetry.as_ref().map(|telemetry| telemetry.handle()),287		&task_manager,288	)?;289	let fee_history_cache: FeeHistoryCache = Arc::new(Mutex::new(BTreeMap::new()));290291	let params = PartialComponents {292		backend,293		client,294		import_queue,295		keystore_container,296		task_manager,297		transaction_pool,298		select_chain,299		other: (300			telemetry,301			filter_pool,302			frontier_backend,303			telemetry_worker_handle,304			fee_history_cache,305		),306	};307308	Ok(params)309}310311async fn build_relay_chain_interface(312	polkadot_config: Configuration,313	parachain_config: &Configuration,314	telemetry_worker_handle: Option<TelemetryWorkerHandle>,315	task_manager: &mut TaskManager,316	collator_options: CollatorOptions,317) -> RelayChainResult<(318	Arc<(dyn RelayChainInterface + 'static)>,319	Option<CollatorPair>,320)> {321	match collator_options.relay_chain_rpc_url {322		Some(relay_chain_url) => Ok((323			Arc::new(RelayChainRPCInterface::new(relay_chain_url).await?) as Arc<_>,324			None,325		)),326		None => build_inprocess_relay_chain(327			polkadot_config,328			parachain_config,329			telemetry_worker_handle,330			task_manager,331		),332	}333}334335/// Start a node with the given parachain `Configuration` and relay chain `Configuration`.336///337/// This is the actual implementation that is abstract over the executor and the runtime api.338#[sc_tracing::logging::prefix_logs_with("Parachain")]339async fn start_node_impl<Runtime, RuntimeApi, ExecutorDispatch, BIQ, BIC>(340	parachain_config: Configuration,341	polkadot_config: Configuration,342	collator_options: CollatorOptions,343	id: ParaId,344	build_import_queue: BIQ,345	build_consensus: BIC,346) -> sc_service::error::Result<(TaskManager, Arc<FullClient<RuntimeApi, ExecutorDispatch>>)>347where348	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,349	Runtime: RuntimeInstance + Send + Sync + 'static,350	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,351	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,352	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>353		+ Send354		+ Sync355		+ 'static,356	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>357		+ fp_rpc::EthereumRuntimeRPCApi<Block>358		+ sp_session::SessionKeys<Block>359		+ sp_block_builder::BlockBuilder<Block>360		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>361		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>362		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>363		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>364		+ sp_api::Metadata<Block>365		+ sp_offchain::OffchainWorkerApi<Block>366		+ cumulus_primitives_core::CollectCollationInfo<Block>,367	ExecutorDispatch: NativeExecutionDispatch + 'static,368	BIQ: FnOnce(369		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,370		&Configuration,371		Option<TelemetryHandle>,372		&TaskManager,373	) -> Result<374		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,375		sc_service::Error,376	>,377	BIC: FnOnce(378		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,379		Option<&Registry>,380		Option<TelemetryHandle>,381		&TaskManager,382		Arc<dyn RelayChainInterface>,383		Arc<sc_transaction_pool::FullPool<Block, FullClient<RuntimeApi, ExecutorDispatch>>>,384		Arc<NetworkService<Block, Hash>>,385		SyncCryptoStorePtr,386		bool,387	) -> Result<Box<dyn ParachainConsensus<Block>>, sc_service::Error>,388{389	if matches!(parachain_config.role, Role::Light) {390		return Err("Light client not supported!".into());391	}392393	let parachain_config = prepare_node_config(parachain_config);394395	let params =396		new_partial::<RuntimeApi, ExecutorDispatch, BIQ>(&parachain_config, build_import_queue)?;397	let (mut telemetry, filter_pool, frontier_backend, telemetry_worker_handle, fee_history_cache) =398		params.other;399400	let client = params.client.clone();401	let backend = params.backend.clone();402	let mut task_manager = params.task_manager;403404	let (relay_chain_interface, collator_key) = build_relay_chain_interface(405		polkadot_config,406		&parachain_config,407		telemetry_worker_handle,408		&mut task_manager,409		collator_options.clone(),410	)411	.await412	.map_err(|e| match e {413		RelayChainError::ServiceError(polkadot_service::Error::Sub(x)) => x,414		s => s.to_string().into(),415	})?;416417	let block_announce_validator = BlockAnnounceValidator::new(relay_chain_interface.clone(), id);418419	let force_authoring = parachain_config.force_authoring;420	let validator = parachain_config.role.is_authority();421	let prometheus_registry = parachain_config.prometheus_registry().cloned();422	let transaction_pool = params.transaction_pool.clone();423	let import_queue = cumulus_client_service::SharedImportQueue::new(params.import_queue);424425	let (network, system_rpc_tx, start_network) =426		sc_service::build_network(sc_service::BuildNetworkParams {427			config: &parachain_config,428			client: client.clone(),429			transaction_pool: transaction_pool.clone(),430			spawn_handle: task_manager.spawn_handle(),431			import_queue: import_queue.clone(),432			block_announce_validator_builder: Some(Box::new(|_| {433				Box::new(block_announce_validator)434			})),435			warp_sync: None,436		})?;437438	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());439	let rpc_client = client.clone();440	let rpc_pool = transaction_pool.clone();441	let select_chain = params.select_chain.clone();442	let rpc_network = network.clone();443444	let rpc_frontier_backend = frontier_backend.clone();445446	let block_data_cache = Arc::new(fc_rpc::EthBlockDataCache::new(447		task_manager.spawn_handle(),448		overrides_handle::<_, _, Runtime>(client.clone()),449		50,450		50,451	));452453	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {454		let full_deps = unique_rpc::FullDeps {455			backend: rpc_frontier_backend.clone(),456			deny_unsafe,457			client: rpc_client.clone(),458			pool: rpc_pool.clone(),459			graph: rpc_pool.pool().clone(),460			// TODO: Unhardcode461			enable_dev_signer: false,462			filter_pool: filter_pool.clone(),463			network: rpc_network.clone(),464			select_chain: select_chain.clone(),465			is_authority: validator,466			// TODO: Unhardcode467			max_past_logs: 10000,468			block_data_cache: block_data_cache.clone(),469			fee_history_cache: fee_history_cache.clone(),470			// TODO: Unhardcode471			fee_history_limit: 2048,472		};473474		Ok(475			unique_rpc::create_full::<_, _, _, _, Runtime, RuntimeApi, _>(476				full_deps,477				subscription_executor.clone(),478			),479		)480	});481482	task_manager.spawn_essential_handle().spawn(483		"frontier-mapping-sync-worker",484		None,485		MappingSyncWorker::new(486			client.import_notification_stream(),487			Duration::new(6, 0),488			client.clone(),489			backend.clone(),490			frontier_backend.clone(),491			SyncStrategy::Normal,492		)493		.for_each(|()| futures::future::ready(())),494	);495496	sc_service::spawn_tasks(sc_service::SpawnTasksParams {497		rpc_extensions_builder,498		client: client.clone(),499		transaction_pool: transaction_pool.clone(),500		task_manager: &mut task_manager,501		config: parachain_config,502		keystore: params.keystore_container.sync_keystore(),503		backend: backend.clone(),504		network: network.clone(),505		system_rpc_tx,506		telemetry: telemetry.as_mut(),507	})?;508509	let announce_block = {510		let network = network.clone();511		Arc::new(move |hash, data| network.announce_block(hash, data))512	};513514	let relay_chain_slot_duration = Duration::from_secs(6);515516	if validator {517		let parachain_consensus = build_consensus(518			client.clone(),519			prometheus_registry.as_ref(),520			telemetry.as_ref().map(|t| t.handle()),521			&task_manager,522			relay_chain_interface.clone(),523			transaction_pool,524			network,525			params.keystore_container.sync_keystore(),526			force_authoring,527		)?;528529		let spawner = task_manager.spawn_handle();530531		let params = StartCollatorParams {532			para_id: id,533			block_status: client.clone(),534			announce_block,535			client: client.clone(),536			task_manager: &mut task_manager,537			spawner,538			parachain_consensus,539			import_queue,540			collator_key: collator_key.expect("Command line arguments do not allow this. qed"),541			relay_chain_interface,542			relay_chain_slot_duration,543		};544545		start_collator(params).await?;546	} else {547		let params = StartFullNodeParams {548			client: client.clone(),549			announce_block,550			task_manager: &mut task_manager,551			para_id: id,552			import_queue,553			relay_chain_interface,554			relay_chain_slot_duration,555			collator_options,556		};557558		start_full_node(params)?;559	}560561	start_network.start_network();562563	Ok((task_manager, client))564}565566/// Build the import queue for the the parachain runtime.567pub fn parachain_build_import_queue<RuntimeApi, ExecutorDispatch>(568	client: Arc<FullClient<RuntimeApi, ExecutorDispatch>>,569	config: &Configuration,570	telemetry: Option<TelemetryHandle>,571	task_manager: &TaskManager,572) -> Result<573	sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,574	sc_service::Error,575>576where577	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>578		+ Send579		+ Sync580		+ 'static,581	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>582		+ sp_block_builder::BlockBuilder<Block>583		+ sp_consensus_aura::AuraApi<Block, AuraId>584		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>,585	ExecutorDispatch: NativeExecutionDispatch + 'static,586{587	let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;588589	cumulus_client_consensus_aura::import_queue::<590		sp_consensus_aura::sr25519::AuthorityPair,591		_,592		_,593		_,594		_,595		_,596		_,597	>(cumulus_client_consensus_aura::ImportQueueParams {598		block_import: client.clone(),599		client: client.clone(),600		create_inherent_data_providers: move |_, _| async move {601			let time = sp_timestamp::InherentDataProvider::from_system_time();602603			let slot =604				sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(605					*time,606					slot_duration,607				);608609			Ok((time, slot))610		},611		registry: config.prometheus_registry(),612		can_author_with: sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone()),613		spawner: &task_manager.spawn_essential_handle(),614		telemetry,615	})616	.map_err(Into::into)617}618619/// Start a normal parachain node.620pub async fn start_node<Runtime, RuntimeApi, ExecutorDispatch>(621	parachain_config: Configuration,622	polkadot_config: Configuration,623	collator_options: CollatorOptions,624	id: ParaId,625) -> sc_service::error::Result<(TaskManager, Arc<FullClient<RuntimeApi, ExecutorDispatch>>)>626where627	Runtime: RuntimeInstance + Send + Sync + 'static,628	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,629	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,630	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>631		+ Send632		+ Sync633		+ 'static,634	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>635		+ fp_rpc::EthereumRuntimeRPCApi<Block>636		+ sp_session::SessionKeys<Block>637		+ sp_block_builder::BlockBuilder<Block>638		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>639		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>640		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>641		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>642		+ sp_api::Metadata<Block>643		+ sp_offchain::OffchainWorkerApi<Block>644		+ cumulus_primitives_core::CollectCollationInfo<Block>645		+ sp_consensus_aura::AuraApi<Block, AuraId>,646	ExecutorDispatch: NativeExecutionDispatch + 'static,647{648	start_node_impl::<Runtime, RuntimeApi, ExecutorDispatch, _, _>(649		parachain_config,650		polkadot_config,651		collator_options,652		id,653		parachain_build_import_queue,654		|client,655		 prometheus_registry,656		 telemetry,657		 task_manager,658		 relay_chain_interface,659		 transaction_pool,660		 sync_oracle,661		 keystore,662		 force_authoring| {663			let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;664665			let proposer_factory = sc_basic_authorship::ProposerFactory::with_proof_recording(666				task_manager.spawn_handle(),667				client.clone(),668				transaction_pool,669				prometheus_registry,670				telemetry.clone(),671			);672673			Ok(AuraConsensus::build::<674				sp_consensus_aura::sr25519::AuthorityPair,675				_,676				_,677				_,678				_,679				_,680				_,681			>(BuildAuraConsensusParams {682				proposer_factory,683				create_inherent_data_providers: move |_, (relay_parent, validation_data)| {684					let relay_chain_interface = relay_chain_interface.clone();685					async move {686						let parachain_inherent =687						cumulus_primitives_parachain_inherent::ParachainInherentData::create_at(688							relay_parent,689							&relay_chain_interface,690							&validation_data,691							id,692						).await;693694						let time = sp_timestamp::InherentDataProvider::from_system_time();695696						let slot =697						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(698							*time,699							slot_duration,700						);701702						let parachain_inherent = parachain_inherent.ok_or_else(|| {703							Box::<dyn std::error::Error + Send + Sync>::from(704								"Failed to create parachain inherent",705							)706						})?;707						Ok((time, slot, parachain_inherent))708					}709				},710				block_import: client.clone(),711				para_client: client,712				backoff_authoring_blocks: Option::<()>::None,713				sync_oracle,714				keystore,715				force_authoring,716				slot_duration,717				// We got around 500ms for proposing718				block_proposal_slot_portion: SlotProportion::new(1f32 / 24f32),719				telemetry,720				max_block_proposal_slot_portion: None,721			}))722		},723	)724	.await725}726727fn dev_build_import_queue<RuntimeApi, ExecutorDispatch>(728	client: Arc<FullClient<RuntimeApi, ExecutorDispatch>>,729	config: &Configuration,730	_: Option<TelemetryHandle>,731	task_manager: &TaskManager,732) -> Result<733	sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,734	sc_service::Error,735>736where737	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>738		+ Send739		+ Sync740		+ 'static,741	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>742		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>,743	ExecutorDispatch: NativeExecutionDispatch + 'static,744{745	Ok(sc_consensus_manual_seal::import_queue(746		Box::new(client.clone()),747		&task_manager.spawn_essential_handle(),748		config.prometheus_registry(),749	))750}751752/// Builds a new development service. This service uses instant seal, and mocks753/// the parachain inherent754pub fn start_dev_node<Runtime, RuntimeApi, ExecutorDispatch>(755	config: Configuration,756	autoseal_interval: AutosealInterval,757) -> sc_service::error::Result<TaskManager>758where759	Runtime: RuntimeInstance + Send + Sync + 'static,760	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,761	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,762	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>763		+ Send764		+ Sync765		+ 'static,766	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>767		+ fp_rpc::EthereumRuntimeRPCApi<Block>768		+ sp_session::SessionKeys<Block>769		+ sp_block_builder::BlockBuilder<Block>770		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>771		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>772		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>773		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>774		+ sp_api::Metadata<Block>775		+ sp_offchain::OffchainWorkerApi<Block>776		+ cumulus_primitives_core::CollectCollationInfo<Block>777		+ sp_consensus_aura::AuraApi<Block, AuraId>,778	ExecutorDispatch: NativeExecutionDispatch + 'static,779{780	use sc_consensus_manual_seal::{run_manual_seal, EngineCommand, ManualSealParams};781	use fc_consensus::FrontierBlockImport;782	use sc_client_api::HeaderBackend;783784	let sc_service::PartialComponents {785		client,786		backend,787		mut task_manager,788		import_queue,789		keystore_container,790		select_chain: maybe_select_chain,791		transaction_pool,792		other:793			(telemetry, filter_pool, frontier_backend, _telemetry_worker_handle, fee_history_cache),794	} = new_partial::<RuntimeApi, ExecutorDispatch, _>(795		&config,796		dev_build_import_queue::<RuntimeApi, ExecutorDispatch>,797	)?;798799	let block_data_cache = Arc::new(fc_rpc::EthBlockDataCache::new(800		task_manager.spawn_handle(),801		overrides_handle::<_, _, Runtime>(client.clone()),802		50,803		50,804	));805806	let (network, system_rpc_tx, network_starter) =807		sc_service::build_network(sc_service::BuildNetworkParams {808			config: &config,809			client: client.clone(),810			transaction_pool: transaction_pool.clone(),811			spawn_handle: task_manager.spawn_handle(),812			import_queue,813			block_announce_validator_builder: None,814			warp_sync: None,815		})?;816817	if config.offchain_worker.enabled {818		sc_service::build_offchain_workers(819			&config,820			task_manager.spawn_handle(),821			client.clone(),822			network.clone(),823		);824	}825826	let prometheus_registry = config.prometheus_registry().cloned();827	let collator = config.role.is_authority();828829	let select_chain = maybe_select_chain.clone();830831	if collator {832		let block_import =833			FrontierBlockImport::new(client.clone(), client.clone(), frontier_backend.clone());834835		let env = sc_basic_authorship::ProposerFactory::new(836			task_manager.spawn_handle(),837			client.clone(),838			transaction_pool.clone(),839			prometheus_registry.as_ref(),840			telemetry.as_ref().map(|x| x.handle()),841		);842843		let transactions_commands_stream: Box<844			dyn Stream<Item = EngineCommand<Hash>> + Send + Sync + Unpin,845		> = Box::new(846			transaction_pool847				.pool()848				.validated_pool()849				.import_notification_stream()850				.map(|_| EngineCommand::SealNewBlock {851					create_empty: true,852					finalize: false,853					parent_hash: None,854					sender: None,855				}),856		);857858		let autoseal_interval = Box::pin(autoseal_interval);859		let idle_commands_stream: Box<860			dyn Stream<Item = EngineCommand<Hash>> + Send + Sync + Unpin,861		> = Box::new(autoseal_interval.map(|_| EngineCommand::SealNewBlock {862			create_empty: true,863			finalize: false,864			parent_hash: None,865			sender: None,866		}));867868		let commands_stream = select(transactions_commands_stream, idle_commands_stream);869870		let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;871		let client_set_aside_for_cidp = client.clone();872873		task_manager.spawn_essential_handle().spawn_blocking(874			"authorship_task",875			Some("block-authoring"),876			run_manual_seal(ManualSealParams {877				block_import,878				env,879				client: client.clone(),880				pool: transaction_pool.clone(),881				commands_stream,882				select_chain: select_chain.clone(),883				consensus_data_provider: None,884				create_inherent_data_providers: move |block: Hash, ()| {885					let current_para_block = client_set_aside_for_cidp886						.number(block)887						.expect("Header lookup should succeed")888						.expect("Header passed in as parent should be present in backend.");889890					let client_for_xcm = client_set_aside_for_cidp.clone();891					async move {892						let time = sp_timestamp::InherentDataProvider::from_system_time();893894						let mocked_parachain = cumulus_primitives_parachain_inherent::MockValidationDataInherentDataProvider {895							current_para_block,896							relay_offset: 1000,897							relay_blocks_per_para_block: 2,898							xcm_config: cumulus_primitives_parachain_inherent::MockXcmConfig::new(899								&*client_for_xcm,900								block,901								Default::default(),902								Default::default(),903							),904							raw_downward_messages: vec![],905							raw_horizontal_messages: vec![],906						};907908						let slot =909						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(910							*time,911							slot_duration,912						);913914						Ok((time, slot, mocked_parachain))915					}916				},917			}),918		);919	}920921	task_manager.spawn_essential_handle().spawn(922		"frontier-mapping-sync-worker",923		Some("block-authoring"),924		MappingSyncWorker::new(925			client.import_notification_stream(),926			Duration::new(6, 0),927			client.clone(),928			backend.clone(),929			frontier_backend.clone(),930			SyncStrategy::Normal,931		)932		.for_each(|()| futures::future::ready(())),933	);934935	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());936	let rpc_client = client.clone();937	let rpc_pool = transaction_pool.clone();938	let rpc_network = network.clone();939	let rpc_frontier_backend = frontier_backend.clone();940	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {941		let full_deps = unique_rpc::FullDeps {942			backend: rpc_frontier_backend.clone(),943			deny_unsafe,944			client: rpc_client.clone(),945			pool: rpc_pool.clone(),946			graph: rpc_pool.pool().clone(),947			// TODO: Unhardcode948			enable_dev_signer: false,949			filter_pool: filter_pool.clone(),950			network: rpc_network.clone(),951			select_chain: select_chain.clone(),952			is_authority: collator,953			// TODO: Unhardcode954			max_past_logs: 10000,955			block_data_cache: block_data_cache.clone(),956			fee_history_cache: fee_history_cache.clone(),957			// TODO: Unhardcode958			fee_history_limit: 2048,959		};960961		Ok(962			unique_rpc::create_full::<_, _, _, _, Runtime, RuntimeApi, _>(963				full_deps,964				subscription_executor.clone(),965			),966		)967	});968969	sc_service::spawn_tasks(sc_service::SpawnTasksParams {970		network,971		client,972		keystore: keystore_container.sync_keystore(),973		task_manager: &mut task_manager,974		transaction_pool,975		rpc_extensions_builder,976		backend,977		system_rpc_tx,978		config,979		telemetry: None,980	})?;981982	network_starter.start_network();983	Ok(task_manager)984}