git.delta.rocks / unique-network / refs/commits / 2d2fd30b7a2b

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::{Stream, StreamExt, stream::select, task::{Context, Poll}};28use futures_timer::Delay;2930use unique_rpc::overrides_handle;3132use serde::{Serialize, Deserialize};3334// Cumulus Imports35use cumulus_client_consensus_aura::{AuraConsensus, BuildAuraConsensusParams, SlotProportion};36use cumulus_client_consensus_common::ParachainConsensus;37use cumulus_client_service::{38	prepare_node_config, start_collator, start_full_node, StartCollatorParams, StartFullNodeParams,39};40use cumulus_client_cli::CollatorOptions;41use cumulus_client_network::BlockAnnounceValidator;42use cumulus_primitives_core::ParaId;43use cumulus_relay_chain_inprocess_interface::build_inprocess_relay_chain;44use cumulus_relay_chain_interface::{RelayChainError, RelayChainInterface, RelayChainResult};45use cumulus_relay_chain_rpc_interface::RelayChainRPCInterface;4647// Substrate Imports48use sc_client_api::ExecutorProvider;49use sc_executor::NativeElseWasmExecutor;50use sc_executor::NativeExecutionDispatch;51use sc_network::NetworkService;52use sc_service::{BasePath, Configuration, PartialComponents, Role, TaskManager};53use sc_telemetry::{Telemetry, TelemetryHandle, TelemetryWorker, TelemetryWorkerHandle};54use sp_keystore::SyncCryptoStorePtr;55use sp_runtime::traits::BlakeTwo256;56use substrate_prometheus_endpoint::Registry;57use sc_client_api::BlockchainEvents;5859use polkadot_service::CollatorPair;6061// Frontier Imports62use fc_rpc_core::types::FilterPool;63use fc_mapping_sync::{MappingSyncWorker, SyncStrategy};6465use unique_runtime_common::types::{AuraId, RuntimeInstance, AccountId, Balance, Index, Hash, Block};6667/// Unique native executor instance.68#[cfg(feature = "unique-runtime")]69pub struct UniqueRuntimeExecutor;7071#[cfg(feature = "quartz-runtime")]72/// Quartz native executor instance.7374pub struct QuartzRuntimeExecutor;7576/// Opal native executor instance.77pub struct OpalRuntimeExecutor;7879#[cfg(feature = "unique-runtime")]80impl NativeExecutionDispatch for UniqueRuntimeExecutor {81	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;8283	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {84		unique_runtime::api::dispatch(method, data)85	}8687	fn native_version() -> sc_executor::NativeVersion {88		unique_runtime::native_version()89	}90}9192#[cfg(feature = "quartz-runtime")]93impl NativeExecutionDispatch for QuartzRuntimeExecutor {94	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;9596	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {97		quartz_runtime::api::dispatch(method, data)98	}99100	fn native_version() -> sc_executor::NativeVersion {101		quartz_runtime::native_version()102	}103}104105impl NativeExecutionDispatch for OpalRuntimeExecutor {106	type ExtendHostFunctions = frame_benchmarking::benchmarking::HostFunctions;107108	fn dispatch(method: &str, data: &[u8]) -> Option<Vec<u8>> {109		opal_runtime::api::dispatch(method, data)110	}111112	fn native_version() -> sc_executor::NativeVersion {113		opal_runtime::native_version()114	}115}116117pub struct AutosealInterval {118	duration: Duration,119	delay_handle: Pin<Box<Delay>>120}121122impl AutosealInterval {123	pub fn new(duration: Duration) -> Result<Self, String> {124		if duration.is_zero() {125			return Err("Invalid autoseal interval: 0 seconds".into());126		}127128		Ok(Self {129			duration,130			delay_handle: Box::pin(Delay::new(duration))131		})132	}133}134135impl Stream for AutosealInterval {136	type Item = ();137138	fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {139		match self.delay_handle.as_mut().poll(cx) {140			Poll::Ready(_) => {141				let duration = self.duration;142				self.delay_handle.reset(duration);143144				Poll::Ready(Some(()))145			}146			Poll::Pending => Poll::Pending147		}148	}149}150151pub fn open_frontier_backend(config: &Configuration) -> Result<Arc<fc_db::Backend<Block>>, String> {152	let config_dir = config153		.base_path154		.as_ref()155		.map(|base_path| base_path.config_dir(config.chain_spec.id()))156		.unwrap_or_else(|| {157			BasePath::from_project("", "", "unique").config_dir(config.chain_spec.id())158		});159	let database_dir = config_dir.join("frontier").join("db");160161	Ok(Arc::new(fc_db::Backend::<Block>::new(162		&fc_db::DatabaseSettings {163			source: fc_db::DatabaseSettingsSrc::RocksDb {164				path: database_dir,165				cache_size: 0,166			},167		},168	)?))169}170171type FullClient<RuntimeApi, ExecutorDispatch> =172	sc_service::TFullClient<Block, RuntimeApi, NativeElseWasmExecutor<ExecutorDispatch>>;173type FullBackend = sc_service::TFullBackend<Block>;174type FullSelectChain = sc_consensus::LongestChain<FullBackend, Block>;175176/// Starts a `ServiceBuilder` for a full service.177///178/// Use this macro if you don't actually need the full service, but just the builder in order to179/// be able to perform chain operations.180#[allow(clippy::type_complexity)]181pub fn new_partial<RuntimeApi, ExecutorDispatch, BIQ>(182	config: &Configuration,183	build_import_queue: BIQ,184) -> Result<185	PartialComponents<186		FullClient<RuntimeApi, ExecutorDispatch>,187		FullBackend,188		FullSelectChain,189		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,190		sc_transaction_pool::FullPool<Block, FullClient<RuntimeApi, ExecutorDispatch>>,191		(192			Option<Telemetry>,193			Option<FilterPool>,194			Arc<fc_db::Backend<Block>>,195			Option<TelemetryWorkerHandle>,196			FeeHistoryCache,197		),198	>,199	sc_service::Error,200>201where202	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,203	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>204		+ Send205		+ Sync206		+ 'static,207	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>,208	ExecutorDispatch: NativeExecutionDispatch + 'static,209	BIQ: FnOnce(210		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,211		&Configuration,212		Option<TelemetryHandle>,213		&TaskManager,214	) -> Result<215		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,216		sc_service::Error,217	>,218{219	let _telemetry = config220		.telemetry_endpoints221		.clone()222		.filter(|x| !x.is_empty())223		.map(|endpoints| -> Result<_, sc_telemetry::Error> {224			let worker = TelemetryWorker::new(16)?;225			let telemetry = worker.handle().new_telemetry(endpoints);226			Ok((worker, telemetry))227		})228		.transpose()?;229230	let telemetry = config231		.telemetry_endpoints232		.clone()233		.filter(|x| !x.is_empty())234		.map(|endpoints| -> Result<_, sc_telemetry::Error> {235			let worker = TelemetryWorker::new(16)?;236			let telemetry = worker.handle().new_telemetry(endpoints);237			Ok((worker, telemetry))238		})239		.transpose()?;240241	let executor = NativeElseWasmExecutor::<ExecutorDispatch>::new(242		config.wasm_method,243		config.default_heap_pages,244		config.max_runtime_instances,245		config.runtime_cache_size,246	);247248	let (client, backend, keystore_container, task_manager) =249		sc_service::new_full_parts::<Block, RuntimeApi, _>(250			config,251			telemetry.as_ref().map(|(_, telemetry)| telemetry.handle()),252			executor,253		)?;254	let client = Arc::new(client);255256	let telemetry_worker_handle = telemetry.as_ref().map(|(worker, _)| worker.handle());257258	let telemetry = telemetry.map(|(worker, telemetry)| {259		task_manager260			.spawn_handle()261			.spawn("telemetry", None, worker.run());262		telemetry263	});264265	let select_chain = sc_consensus::LongestChain::new(backend.clone());266267	let transaction_pool = sc_transaction_pool::BasicPool::new_full(268		config.transaction_pool.clone(),269		config.role.is_authority().into(),270		config.prometheus_registry(),271		task_manager.spawn_essential_handle(),272		client.clone(),273	);274275	let filter_pool: Option<FilterPool> = Some(Arc::new(Mutex::new(BTreeMap::new())));276277	let frontier_backend = open_frontier_backend(config)?;278279	let import_queue = build_import_queue(280		client.clone(),281		config,282		telemetry.as_ref().map(|telemetry| telemetry.handle()),283		&task_manager,284	)?;285	let fee_history_cache: FeeHistoryCache = Arc::new(Mutex::new(BTreeMap::new()));286287	let params = PartialComponents {288		backend,289		client,290		import_queue,291		keystore_container,292		task_manager,293		transaction_pool,294		select_chain,295		other: (296			telemetry,297			filter_pool,298			frontier_backend,299			telemetry_worker_handle,300			fee_history_cache,301		),302	};303304	Ok(params)305}306307async fn build_relay_chain_interface(308	polkadot_config: Configuration,309	parachain_config: &Configuration,310	telemetry_worker_handle: Option<TelemetryWorkerHandle>,311	task_manager: &mut TaskManager,312	collator_options: CollatorOptions,313) -> RelayChainResult<(314	Arc<(dyn RelayChainInterface + 'static)>,315	Option<CollatorPair>,316)> {317	match collator_options.relay_chain_rpc_url {318		Some(relay_chain_url) => Ok((319			Arc::new(RelayChainRPCInterface::new(relay_chain_url).await?) as Arc<_>,320			None,321		)),322		None => build_inprocess_relay_chain(323			polkadot_config,324			parachain_config,325			telemetry_worker_handle,326			task_manager,327		),328	}329}330331/// Start a node with the given parachain `Configuration` and relay chain `Configuration`.332///333/// This is the actual implementation that is abstract over the executor and the runtime api.334#[sc_tracing::logging::prefix_logs_with("Parachain")]335async fn start_node_impl<Runtime, RuntimeApi, ExecutorDispatch, BIQ, BIC>(336	parachain_config: Configuration,337	polkadot_config: Configuration,338	collator_options: CollatorOptions,339	id: ParaId,340	build_import_queue: BIQ,341	build_consensus: BIC,342) -> sc_service::error::Result<(TaskManager, Arc<FullClient<RuntimeApi, ExecutorDispatch>>)>343where344	sc_client_api::StateBackendFor<FullBackend, Block>: sp_api::StateBackend<BlakeTwo256>,345	Runtime: RuntimeInstance + Send + Sync + 'static,346	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,347	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,348	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>349		+ Send350		+ Sync351		+ 'static,352	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>353		+ fp_rpc::EthereumRuntimeRPCApi<Block>354		+ sp_session::SessionKeys<Block>355		+ sp_block_builder::BlockBuilder<Block>356		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>357		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>358		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>359		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>360		+ sp_api::Metadata<Block>361		+ sp_offchain::OffchainWorkerApi<Block>362		+ cumulus_primitives_core::CollectCollationInfo<Block>,363	ExecutorDispatch: NativeExecutionDispatch + 'static,364	BIQ: FnOnce(365		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,366		&Configuration,367		Option<TelemetryHandle>,368		&TaskManager,369	) -> Result<370		sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,371		sc_service::Error,372	>,373	BIC: FnOnce(374		Arc<FullClient<RuntimeApi, ExecutorDispatch>>,375		Option<&Registry>,376		Option<TelemetryHandle>,377		&TaskManager,378		Arc<dyn RelayChainInterface>,379		Arc<sc_transaction_pool::FullPool<Block, FullClient<RuntimeApi, ExecutorDispatch>>>,380		Arc<NetworkService<Block, Hash>>,381		SyncCryptoStorePtr,382		bool,383	) -> Result<Box<dyn ParachainConsensus<Block>>, sc_service::Error>,384{385	if matches!(parachain_config.role, Role::Light) {386		return Err("Light client not supported!".into());387	}388389	let parachain_config = prepare_node_config(parachain_config);390391	let params =392		new_partial::<RuntimeApi, ExecutorDispatch, BIQ>(&parachain_config, build_import_queue)?;393	let (mut telemetry, filter_pool, frontier_backend, telemetry_worker_handle, fee_history_cache) =394		params.other;395396	let client = params.client.clone();397	let backend = params.backend.clone();398	let mut task_manager = params.task_manager;399400	let (relay_chain_interface, collator_key) = build_relay_chain_interface(401		polkadot_config,402		&parachain_config,403		telemetry_worker_handle,404		&mut task_manager,405		collator_options.clone(),406	)407	.await408	.map_err(|e| match e {409		RelayChainError::ServiceError(polkadot_service::Error::Sub(x)) => x,410		s => s.to_string().into(),411	})?;412413	let block_announce_validator = BlockAnnounceValidator::new(relay_chain_interface.clone(), id);414415	let force_authoring = parachain_config.force_authoring;416	let validator = parachain_config.role.is_authority();417	let prometheus_registry = parachain_config.prometheus_registry().cloned();418	let transaction_pool = params.transaction_pool.clone();419	let import_queue = cumulus_client_service::SharedImportQueue::new(params.import_queue);420421	let (network, system_rpc_tx, start_network) =422		sc_service::build_network(sc_service::BuildNetworkParams {423			config: &parachain_config,424			client: client.clone(),425			transaction_pool: transaction_pool.clone(),426			spawn_handle: task_manager.spawn_handle(),427			import_queue: import_queue.clone(),428			block_announce_validator_builder: Some(Box::new(|_| {429				Box::new(block_announce_validator)430			})),431			warp_sync: None,432		})?;433434	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());435	let rpc_client = client.clone();436	let rpc_pool = transaction_pool.clone();437	let select_chain = params.select_chain.clone();438	let rpc_network = network.clone();439440	let rpc_frontier_backend = frontier_backend.clone();441442	let block_data_cache = Arc::new(fc_rpc::EthBlockDataCache::new(443		task_manager.spawn_handle(),444		overrides_handle::<_, _, Runtime>(client.clone()),445		50,446		50,447	));448449	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {450		let full_deps = unique_rpc::FullDeps {451			backend: rpc_frontier_backend.clone(),452			deny_unsafe,453			client: rpc_client.clone(),454			pool: rpc_pool.clone(),455			graph: rpc_pool.pool().clone(),456			// TODO: Unhardcode457			enable_dev_signer: false,458			filter_pool: filter_pool.clone(),459			network: rpc_network.clone(),460			select_chain: select_chain.clone(),461			is_authority: validator,462			// TODO: Unhardcode463			max_past_logs: 10000,464			block_data_cache: block_data_cache.clone(),465			fee_history_cache: fee_history_cache.clone(),466			// TODO: Unhardcode467			fee_history_limit: 2048,468		};469470		Ok(471			unique_rpc::create_full::<_, _, _, _, Runtime, RuntimeApi, _>(472				full_deps,473				subscription_executor.clone(),474			),475		)476	});477478	task_manager.spawn_essential_handle().spawn(479		"frontier-mapping-sync-worker",480		None,481		MappingSyncWorker::new(482			client.import_notification_stream(),483			Duration::new(6, 0),484			client.clone(),485			backend.clone(),486			frontier_backend.clone(),487			SyncStrategy::Normal,488		)489		.for_each(|()| futures::future::ready(())),490	);491492	sc_service::spawn_tasks(sc_service::SpawnTasksParams {493		rpc_extensions_builder,494		client: client.clone(),495		transaction_pool: transaction_pool.clone(),496		task_manager: &mut task_manager,497		config: parachain_config,498		keystore: params.keystore_container.sync_keystore(),499		backend: backend.clone(),500		network: network.clone(),501		system_rpc_tx,502		telemetry: telemetry.as_mut(),503	})?;504505	let announce_block = {506		let network = network.clone();507		Arc::new(move |hash, data| network.announce_block(hash, data))508	};509510	let relay_chain_slot_duration = Duration::from_secs(6);511512	if validator {513		let parachain_consensus = build_consensus(514			client.clone(),515			prometheus_registry.as_ref(),516			telemetry.as_ref().map(|t| t.handle()),517			&task_manager,518			relay_chain_interface.clone(),519			transaction_pool,520			network,521			params.keystore_container.sync_keystore(),522			force_authoring,523		)?;524525		let spawner = task_manager.spawn_handle();526527		let params = StartCollatorParams {528			para_id: id,529			block_status: client.clone(),530			announce_block,531			client: client.clone(),532			task_manager: &mut task_manager,533			spawner,534			parachain_consensus,535			import_queue,536			collator_key: collator_key.expect("Command line arguments do not allow this. qed"),537			relay_chain_interface,538			relay_chain_slot_duration,539		};540541		start_collator(params).await?;542	} else {543		let params = StartFullNodeParams {544			client: client.clone(),545			announce_block,546			task_manager: &mut task_manager,547			para_id: id,548			import_queue,549			relay_chain_interface,550			relay_chain_slot_duration,551			collator_options,552		};553554		start_full_node(params)?;555	}556557	start_network.start_network();558559	Ok((task_manager, client))560}561562/// Build the import queue for the the parachain runtime.563pub fn parachain_build_import_queue<RuntimeApi, ExecutorDispatch>(564	client: Arc<FullClient<RuntimeApi, ExecutorDispatch>>,565	config: &Configuration,566	telemetry: Option<TelemetryHandle>,567	task_manager: &TaskManager,568) -> Result<569	sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,570	sc_service::Error,571>572where573	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>574		+ Send575		+ Sync576		+ 'static,577	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>578		+ sp_block_builder::BlockBuilder<Block>579		+ sp_consensus_aura::AuraApi<Block, AuraId>580		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>,581	ExecutorDispatch: NativeExecutionDispatch + 'static,582{583	let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;584585	cumulus_client_consensus_aura::import_queue::<586		sp_consensus_aura::sr25519::AuthorityPair,587		_,588		_,589		_,590		_,591		_,592		_,593	>(cumulus_client_consensus_aura::ImportQueueParams {594		block_import: client.clone(),595		client: client.clone(),596		create_inherent_data_providers: move |_, _| async move {597			let time = sp_timestamp::InherentDataProvider::from_system_time();598599			let slot =600				sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(601					*time,602					slot_duration,603				);604605			Ok((time, slot))606		},607		registry: config.prometheus_registry(),608		can_author_with: sp_consensus::CanAuthorWithNativeVersion::new(client.executor().clone()),609		spawner: &task_manager.spawn_essential_handle(),610		telemetry,611	})612	.map_err(Into::into)613}614615/// Start a normal parachain node.616pub async fn start_node<Runtime, RuntimeApi, ExecutorDispatch>(617	parachain_config: Configuration,618	polkadot_config: Configuration,619	collator_options: CollatorOptions,620	id: ParaId,621) -> sc_service::error::Result<(TaskManager, Arc<FullClient<RuntimeApi, ExecutorDispatch>>)>622where623	Runtime: RuntimeInstance + Send + Sync + 'static,624	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,625	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,626	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>627		+ Send628		+ Sync629		+ 'static,630	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>631		+ fp_rpc::EthereumRuntimeRPCApi<Block>632		+ sp_session::SessionKeys<Block>633		+ sp_block_builder::BlockBuilder<Block>634		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>635		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>636		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>637		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>638		+ sp_api::Metadata<Block>639		+ sp_offchain::OffchainWorkerApi<Block>640		+ cumulus_primitives_core::CollectCollationInfo<Block>641		+ sp_consensus_aura::AuraApi<Block, AuraId>,642	ExecutorDispatch: NativeExecutionDispatch + 'static,643{644	start_node_impl::<Runtime, RuntimeApi, ExecutorDispatch, _, _>(645		parachain_config,646		polkadot_config,647		collator_options,648		id,649		parachain_build_import_queue,650		|client,651		 prometheus_registry,652		 telemetry,653		 task_manager,654		 relay_chain_interface,655		 transaction_pool,656		 sync_oracle,657		 keystore,658		 force_authoring| {659			let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;660661			let proposer_factory = sc_basic_authorship::ProposerFactory::with_proof_recording(662				task_manager.spawn_handle(),663				client.clone(),664				transaction_pool,665				prometheus_registry,666				telemetry.clone(),667			);668669			Ok(AuraConsensus::build::<670				sp_consensus_aura::sr25519::AuthorityPair,671				_,672				_,673				_,674				_,675				_,676				_,677			>(BuildAuraConsensusParams {678				proposer_factory,679				create_inherent_data_providers: move |_, (relay_parent, validation_data)| {680					let relay_chain_interface = relay_chain_interface.clone();681					async move {682						let parachain_inherent =683						cumulus_primitives_parachain_inherent::ParachainInherentData::create_at(684							relay_parent,685							&relay_chain_interface,686							&validation_data,687							id,688						).await;689690						let time = sp_timestamp::InherentDataProvider::from_system_time();691692						let slot =693						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(694							*time,695							slot_duration,696						);697698						let parachain_inherent = parachain_inherent.ok_or_else(|| {699							Box::<dyn std::error::Error + Send + Sync>::from(700								"Failed to create parachain inherent",701							)702						})?;703						Ok((time, slot, parachain_inherent))704					}705				},706				block_import: client.clone(),707				para_client: client,708				backoff_authoring_blocks: Option::<()>::None,709				sync_oracle,710				keystore,711				force_authoring,712				slot_duration,713				// We got around 500ms for proposing714				block_proposal_slot_portion: SlotProportion::new(1f32 / 24f32),715				telemetry,716				max_block_proposal_slot_portion: None,717			}))718		},719	)720	.await721}722723fn dev_build_import_queue<RuntimeApi, ExecutorDispatch>(724	client: Arc<FullClient<RuntimeApi, ExecutorDispatch>>,725	config: &Configuration,726	_: Option<TelemetryHandle>,727	task_manager: &TaskManager,728) -> Result<729	sc_consensus::DefaultImportQueue<Block, FullClient<RuntimeApi, ExecutorDispatch>>,730	sc_service::Error,731>732where733	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>734		+ Send735		+ Sync736		+ 'static,737	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>738		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>,739	ExecutorDispatch: NativeExecutionDispatch + 'static,740{741	Ok(sc_consensus_manual_seal::import_queue(742		Box::new(client.clone()),743		&task_manager.spawn_essential_handle(),744		config.prometheus_registry(),745	))746}747748/// Builds a new development service. This service uses instant seal, and mocks749/// the parachain inherent750pub fn start_dev_node<Runtime, RuntimeApi, ExecutorDispatch>(751	config: Configuration,752	autoseal_interval: AutosealInterval,753) -> sc_service::error::Result<TaskManager>754where755	Runtime: RuntimeInstance + Send + Sync + 'static,756	<Runtime as RuntimeInstance>::CrossAccountId: Serialize,757	for<'de> <Runtime as RuntimeInstance>::CrossAccountId: Deserialize<'de>,758	RuntimeApi: sp_api::ConstructRuntimeApi<Block, FullClient<RuntimeApi, ExecutorDispatch>>759		+ Send760		+ Sync761		+ 'static,762	RuntimeApi::RuntimeApi: sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block>763		+ fp_rpc::EthereumRuntimeRPCApi<Block>764		+ sp_session::SessionKeys<Block>765		+ sp_block_builder::BlockBuilder<Block>766		+ pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance>767		+ sp_api::ApiExt<Block, StateBackend = sc_client_api::StateBackendFor<FullBackend, Block>>768		+ up_rpc::UniqueApi<Block, Runtime::CrossAccountId, AccountId>769		+ substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>770		+ sp_api::Metadata<Block>771		+ sp_offchain::OffchainWorkerApi<Block>772		+ cumulus_primitives_core::CollectCollationInfo<Block>773		+ sp_consensus_aura::AuraApi<Block, AuraId>,774	ExecutorDispatch: NativeExecutionDispatch + 'static,775{776	use sc_consensus_manual_seal::{run_manual_seal, EngineCommand, ManualSealParams};777	use fc_consensus::FrontierBlockImport;778	use sc_client_api::HeaderBackend;779780	let sc_service::PartialComponents {781		client,782		backend,783		mut task_manager,784		import_queue,785		keystore_container,786		select_chain: maybe_select_chain,787		transaction_pool,788		other:789			(telemetry, filter_pool, frontier_backend, _telemetry_worker_handle, fee_history_cache),790	} = new_partial::<RuntimeApi, ExecutorDispatch, _>(791		&config,792		dev_build_import_queue::<RuntimeApi, ExecutorDispatch>,793	)?;794795	let block_data_cache = Arc::new(fc_rpc::EthBlockDataCache::new(796		task_manager.spawn_handle(),797		overrides_handle::<_, _, Runtime>(client.clone()),798		50,799		50,800	));801802	let (network, system_rpc_tx, network_starter) =803		sc_service::build_network(sc_service::BuildNetworkParams {804			config: &config,805			client: client.clone(),806			transaction_pool: transaction_pool.clone(),807			spawn_handle: task_manager.spawn_handle(),808			import_queue,809			block_announce_validator_builder: None,810			warp_sync: None,811		})?;812813	if config.offchain_worker.enabled {814		sc_service::build_offchain_workers(815			&config,816			task_manager.spawn_handle(),817			client.clone(),818			network.clone(),819		);820	}821822	let prometheus_registry = config.prometheus_registry().cloned();823	let collator = config.role.is_authority();824825	let select_chain = maybe_select_chain.clone();826827	if collator {828		let block_import =829			FrontierBlockImport::new(client.clone(), client.clone(), frontier_backend.clone());830831		let env = sc_basic_authorship::ProposerFactory::new(832			task_manager.spawn_handle(),833			client.clone(),834			transaction_pool.clone(),835			prometheus_registry.as_ref(),836			telemetry.as_ref().map(|x| x.handle()),837		);838839		let transactions_commands_stream: Box<dyn Stream<Item = EngineCommand<Hash>> + Send + Sync + Unpin> =840			Box::new(841				transaction_pool842					.pool()843					.validated_pool()844					.import_notification_stream()845					.map(|_| EngineCommand::SealNewBlock {846						create_empty: true,847						finalize: false,848						parent_hash: None,849						sender: None,850					}),851			);852853		let autoseal_interval = Box::pin(autoseal_interval);854		let idle_commands_stream: Box<dyn Stream<Item = EngineCommand<Hash>> + Send + Sync + Unpin> =855			Box::new(856				autoseal_interval.map(|_| EngineCommand::SealNewBlock {857					create_empty: true,858					finalize: false,859					parent_hash: None,860					sender: None,861				})862			);863864		let commands_stream = select(865			transactions_commands_stream,866			idle_commands_stream867		);868869		let slot_duration = cumulus_client_consensus_aura::slot_duration(&*client)?;870		let client_set_aside_for_cidp = client.clone();871872		task_manager.spawn_essential_handle().spawn_blocking(873			"authorship_task",874			Some("block-authoring"),875			run_manual_seal(ManualSealParams {876				block_import,877				env,878				client: client.clone(),879				pool: transaction_pool.clone(),880				commands_stream,881				select_chain: select_chain.clone(),882				consensus_data_provider: None,883				create_inherent_data_providers: move |block: Hash, ()| {884					let current_para_block = client_set_aside_for_cidp885						.number(block)886						.expect("Header lookup should succeed")887						.expect("Header passed in as parent should be present in backend.");888889					let client_for_xcm = client_set_aside_for_cidp.clone();890					async move {891						let time = sp_timestamp::InherentDataProvider::from_system_time();892893						let mocked_parachain = cumulus_primitives_parachain_inherent::MockValidationDataInherentDataProvider {894							current_para_block,895							relay_offset: 1000,896							relay_blocks_per_para_block: 2,897							xcm_config: cumulus_primitives_parachain_inherent::MockXcmConfig::new(898								&*client_for_xcm,899								block,900								Default::default(),901								Default::default(),902							),903							raw_downward_messages: vec![],904							raw_horizontal_messages: vec![],905						};906907						let slot =908						sp_consensus_aura::inherents::InherentDataProvider::from_timestamp_and_slot_duration(909							*time,910							slot_duration,911						);912913						Ok((time, slot, mocked_parachain))914					}915				},916			}),917		);918	}919920	task_manager.spawn_essential_handle().spawn(921		"frontier-mapping-sync-worker",922		Some("block-authoring"),923		MappingSyncWorker::new(924			client.import_notification_stream(),925			Duration::new(6, 0),926			client.clone(),927			backend.clone(),928			frontier_backend.clone(),929			SyncStrategy::Normal,930		)931		.for_each(|()| futures::future::ready(())),932	);933934	let subscription_executor = sc_rpc::SubscriptionTaskExecutor::new(task_manager.spawn_handle());935	let rpc_client = client.clone();936	let rpc_pool = transaction_pool.clone();937	let rpc_network = network.clone();938	let rpc_frontier_backend = frontier_backend.clone();939	let rpc_extensions_builder = Box::new(move |deny_unsafe, _| {940		let full_deps = unique_rpc::FullDeps {941			backend: rpc_frontier_backend.clone(),942			deny_unsafe,943			client: rpc_client.clone(),944			pool: rpc_pool.clone(),945			graph: rpc_pool.pool().clone(),946			// TODO: Unhardcode947			enable_dev_signer: false,948			filter_pool: filter_pool.clone(),949			network: rpc_network.clone(),950			select_chain: select_chain.clone(),951			is_authority: collator,952			// TODO: Unhardcode953			max_past_logs: 10000,954			block_data_cache: block_data_cache.clone(),955			fee_history_cache: fee_history_cache.clone(),956			// TODO: Unhardcode957			fee_history_limit: 2048,958		};959960		Ok(961			unique_rpc::create_full::<_, _, _, _, Runtime, RuntimeApi, _>(962				full_deps,963				subscription_executor.clone(),964			),965		)966	});967968	sc_service::spawn_tasks(sc_service::SpawnTasksParams {969		network,970		client,971		keystore: keystore_container.sync_keystore(),972		task_manager: &mut task_manager,973		transaction_pool,974		rpc_extensions_builder,975		backend,976		system_rpc_tx,977		config,978		telemetry: None,979	})?;980981	network_starter.start_network();982	Ok(task_manager)983}