Collate only if --validator is given (#161)

cumulus/collator/src/lib.rs

@@ -47,8 +47,8 @@ use sp_runtime::{
 use polkadot_collator::{
 	BuildParachainContext, Network as CollatorNetwork, ParachainContext, RuntimeApiCollection,
 };
-use polkadot_primitives::{
+use polkadot_primitives::v0::{
-	parachain::{self, BlockData, GlobalValidationSchedule, Id as ParaId, LocalValidationData},
+	self as parachain, BlockData, GlobalValidationData, Id as ParaId, LocalValidationData,
 	Block as PBlock, DownwardMessage, Hash as PHash,
 };
 
@@ -105,7 +105,7 @@ impl<Block: BlockT, PF, BI, BS> Collator<Block, PF, BI, BS> {
 	/// Get the inherent data with validation function parameters injected
 	fn inherent_data(
 		inherent_providers: InherentDataProviders,
-		global_validation: GlobalValidationSchedule,
+		global_validation: GlobalValidationData,
 		local_validation: LocalValidationData,
 		downward_messages: DownwardMessagesType,
 	) -> Option<InherentData> {
@@ -239,7 +239,7 @@ where
 	fn produce_candidate(
 		&mut self,
 		relay_chain_parent: PHash,
-		global_validation: GlobalValidationSchedule,
+		global_validation: GlobalValidationData,
 		local_validation: LocalValidationData,
 		downward_messages: Vec<DownwardMessage>,
 	) -> Self::ProduceCandidate {
@@ -493,10 +493,10 @@ mod tests {
 	use std::time::Duration;
 
 	use polkadot_collator::{collate, SignedStatement};
-	use polkadot_primitives::parachain::Id as ParaId;
+	use polkadot_primitives::v0::Id as ParaId;
 
 	use sp_blockchain::Result as ClientResult;
-	use sp_core::testing::SpawnBlockingExecutor;
+	use sp_core::testing::TaskExecutor;
 	use sp_inherents::InherentData;
 	use sp_keyring::Sr25519Keyring;
 	use sp_runtime::traits::{DigestFor, Header as HeaderT};
@@ -601,7 +601,7 @@ mod tests {
 	fn collates_produces_a_block() {
 		let id = ParaId::from(100);
 		let _ = env_logger::try_init();
-		let spawner = SpawnBlockingExecutor::new();
+		let spawner = TaskExecutor::new();
 		let announce_block = |_, _| ();
 		let block_announce_validator = DelayedBlockAnnounceValidator::new();
 		let client = Arc::new(TestClientBuilder::new().build());
@@ -639,7 +639,7 @@ mod tests {
 		let collation = collate(
 			Default::default(),
 			id,
-			GlobalValidationSchedule {
+			GlobalValidationData {
 				block_number: 0,
 				max_code_size: 0,
 				max_head_data_size: 0,

cumulus/consensus/src/lib.rs

@@ -26,9 +26,8 @@ use sp_runtime::{
 	traits::{Block as BlockT, Header as HeaderT},
 };
 
-use polkadot_primitives::{
+use polkadot_primitives::v0::{
-	parachain::{Id as ParaId, ParachainHost},
+	Id as ParaId, ParachainHost, Block as PBlock, Hash as PHash,
-	Block as PBlock, Hash as PHash,
 };
 
 use codec::Decode;

cumulus/network/src/lib.rs

@@ -32,11 +32,10 @@ use sp_runtime::{
 
 use polkadot_collator::Network as CollatorNetwork;
 use polkadot_network::legacy::gossip::{GossipMessage, GossipStatement};
-use polkadot_primitives::{
+use polkadot_primitives::v0::{
-	parachain::{Id as ParaId, ParachainHost},
+	Id as ParaId, ParachainHost, Block as PBlock, Hash as PHash,
-	Block as PBlock, Hash as PHash,
 };
-use polkadot_statement_table::{SignedStatement, Statement};
+use polkadot_statement_table::v0::{SignedStatement, Statement};
 use polkadot_validation::check_statement;
 
 use cumulus_primitives::HeadData;

cumulus/network/src/tests.rs

@@ -16,13 +16,10 @@
 
 use super::*;
 use cumulus_test_runtime::{Block, Header};
-use polkadot_primitives::{
+use polkadot_primitives::v0::{
-	parachain::{
+	AbridgedCandidateReceipt, Chain, CollatorId, DutyRoster, GlobalValidationData,
-		AbridgedCandidateReceipt, Chain, CollatorId, DutyRoster, GlobalValidationSchedule,
+	Id as ParaId, LocalValidationData, ParachainHost, Retriable, SigningContext,
-		Id as ParaId, LocalValidationData, ParachainHost, Retriable, SigningContext,
+	ValidationCode, ValidatorId, Block as PBlock, Hash as PHash, Header as PHeader,
-		ValidationCode, ValidatorId,
-	},
-	Block as PBlock, Hash as PHash, Header as PHeader,
 };
 use polkadot_test_runtime_client::{
 	DefaultTestClientBuilderExt, TestClient, TestClientBuilder, TestClientBuilderExt,
@@ -418,7 +415,7 @@ sp_api::mock_impl_runtime_apis! {
 			Some(ValidationCode(Vec::new()))
 		}
 
-		fn global_validation_schedule() -> GlobalValidationSchedule {
+		fn global_validation_data() -> GlobalValidationData {
 			Default::default()
 		}
 
@@ -440,7 +437,7 @@ sp_api::mock_impl_runtime_apis! {
 			}
 		}
 
-		fn downward_messages(_: ParaId) -> Vec<polkadot_primitives::DownwardMessage> {
+		fn downward_messages(_: ParaId) -> Vec<polkadot_primitives::v0::DownwardMessage> {
 			Vec::new()
 		}
 	}

cumulus/parachain-upgrade/Cargo.toml

@@ -16,7 +16,7 @@ parachain = { package = "polkadot-parachain", git = "https://github.com/parityte
 # Substrate dependencies
 frame-support = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", default-features = false }
 pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", default-features = false }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", version = "2.0.0-dev", default-features = false }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", version = "2.0.0-rc5", default-features = false }
 sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", default-features = false }
 sp-io = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", default-features = false }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", default-features = false }

cumulus/primitives/src/validation_function_params.rs

@@ -18,7 +18,7 @@
 
 use codec::{Decode, Encode};
 use polkadot_parachain::primitives::{RelayChainBlockNumber, ValidationParams};
-use polkadot_primitives::parachain::{GlobalValidationSchedule, LocalValidationData};
+use polkadot_primitives::v0::{GlobalValidationData, LocalValidationData};
 
 /// Validation Function Parameters
 ///
@@ -48,8 +48,8 @@ impl From<&ValidationParams> for ValidationFunctionParams {
 	}
 }
 
-impl From<(GlobalValidationSchedule, LocalValidationData)> for ValidationFunctionParams {
+impl From<(GlobalValidationData, LocalValidationData)> for ValidationFunctionParams {
-	fn from(t: (GlobalValidationSchedule, LocalValidationData)) -> Self {
+	fn from(t: (GlobalValidationData, LocalValidationData)) -> Self {
 		let (global_validation, local_validation) = t;
 		ValidationFunctionParams {
 			max_code_size: global_validation.max_code_size,

cumulus/primitives/src/xcmp.rs

@@ -16,7 +16,7 @@
 
 //! XMCP related primitives
 
-use polkadot_primitives::parachain::Id as ParaId;
+use polkadot_primitives::v0::Id as ParaId;
 use sp_std::vec::Vec;
 
 /// A raw XCMP message that is being send between two Parachain's.

cumulus/test/parachain/Cargo.toml

@@ -31,15 +31,18 @@ sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "cumu
 sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-consensus = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-cli = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
+sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-executor = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-service = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sp-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
-sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", version = "0.8.0-alpha.5" }
+sc-basic-authorship = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch", version = "0.8.0-rc5" }
 sp-timestamp = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
+sp-trie = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-finality-grandpa = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 sc-informant = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
+sc-chain-spec = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 
 # Cumulus dependencies
 cumulus-consensus = { path = "../../consensus" }
@@ -72,6 +75,5 @@ polkadot-test-service = { git = "https://github.com/paritytech/polkadot", branch
 
 # Substrate dependencies
 pallet-sudo = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
-sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 substrate-test-client = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }
 substrate-test-runtime-client = { git = "https://github.com/paritytech/substrate", branch = "cumulus-branch" }

cumulus/test/parachain/src/command.rs

@@ -152,8 +152,10 @@ pub fn run() -> Result<()> {
 		Some(Subcommand::Base(subcommand)) => {
 			let runner = cli.create_runner(subcommand)?;
 
-			runner.run_subcommand(subcommand, |config| {
+			runner.run_subcommand(subcommand, |mut config| {
-				Ok(new_full_start!(config).0.to_chain_ops_parts())
+				let params = crate::service::new_partial(&mut config)?;
+
+				Ok((params.client, params.backend, params.import_queue, params.task_manager))
 			})
 		}
 		Some(Subcommand::ExportGenesisState(params)) => {
@@ -185,7 +187,7 @@ pub fn run() -> Result<()> {
 			let id = ParaId::from(cli.run.parachain_id);
 
 			let parachain_account =
-				AccountIdConversion::<polkadot_primitives::AccountId>::into_account(&id);
+				AccountIdConversion::<polkadot_primitives::v0::AccountId>::into_account(&id);
 
 			let block = generate_genesis_state(id)?;
 			let genesis_state = format!("0x{:?}", HexDisplay::from(&block.header().encode()));
@@ -207,8 +209,8 @@ pub fn run() -> Result<()> {
 				info!("Parachain Account: {}", parachain_account);
 				info!("Parachain genesis state: {}", genesis_state);
 
-				crate::service::run_collator(config, key, polkadot_config, id)
+				crate::service::run_collator(config, key, polkadot_config, id, cli.run.base.validator)
-					.map(|x| x.task_manager)
+					.map(|(x, _)| x)
 			})
 		}
 	}

cumulus/test/parachain/src/integration_test.rs

@@ -19,7 +19,7 @@ use futures::{
 	future::{self, FutureExt},
 	pin_mut, select,
 };
-use polkadot_primitives::parachain::{Id as ParaId, Info, Scheduling};
+use polkadot_primitives::v0::{Id as ParaId, Info, Scheduling};
 use polkadot_runtime_common::registrar;
 use polkadot_test_runtime_client::Sr25519Keyring;
 use sc_client_api::execution_extensions::ExecutionStrategies;
@@ -43,9 +43,8 @@ static INTEGRATION_TEST_ALLOWED_TIME: Option<&str> = option_env!("INTEGRATION_TE
 #[ignore]
 async fn integration_test() {
 	let task_executor: TaskExecutor = (|fut, _| {
-		spawn(fut);
+		spawn(fut).map(|_| ())
-	})
+	}).into();
-	.into();
 
 	// start alice
 	let mut alice =
@@ -104,10 +103,10 @@ async fn integration_test() {
 		polkadot_config.rpc_methods = sc_service::config::RpcMethods::Unsafe;
 		let parachain_config =
 			parachain_config(task_executor.clone(), Charlie, vec![], para_id).unwrap();
-		let service =
+		let (_service, charlie_client) =
-			crate::service::run_collator(parachain_config, key, polkadot_config, para_id).unwrap();
+			crate::service::run_collator(parachain_config, key, polkadot_config, para_id, true).unwrap();
 		sleep(Duration::from_secs(3)).await;
-		service.client.wait_for_blocks(4).await;
+		charlie_client.wait_for_blocks(4).await;
 
 		alice.task_manager.terminate();
 		bob.task_manager.terminate();

cumulus/test/parachain/src/service.rs

@@ -18,15 +18,15 @@ use ansi_term::Color;
 use cumulus_collator::{prepare_collator_config, CollatorBuilder};
 use cumulus_network::DelayedBlockAnnounceValidator;
 use futures::{future::ready, FutureExt};
-use polkadot_primitives::parachain::CollatorPair;
+use polkadot_primitives::v0::CollatorPair;
 use sc_executor::native_executor_instance;
 pub use sc_executor::NativeExecutor;
-use sc_finality_grandpa::{
-	FinalityProofProvider as GrandpaFinalityProofProvider, StorageAndProofProvider,
-};
 use sc_informant::OutputFormat;
-use sc_service::{Configuration, ServiceComponents, TFullBackend, TFullClient};
+use sc_service::{Configuration, PartialComponents, TaskManager, TFullBackend, TFullClient, Role};
 use std::sync::Arc;
+use sp_core::crypto::Pair;
+use sp_trie::PrefixedMemoryDB;
+use sp_runtime::traits::BlakeTwo256;
 
 // Our native executor instance.
 native_executor_instance!(
@@ -39,45 +39,60 @@ native_executor_instance!(
 ///
 /// Use this macro if you don't actually need the full service, but just the builder in order to
 /// be able to perform chain operations.
-macro_rules! new_full_start {
+pub fn new_partial(config: &mut Configuration) -> Result<
-	($config:expr) => {{
+	PartialComponents<
-		let inherent_data_providers = sp_inherents::InherentDataProviders::new();
+		TFullClient<parachain_runtime::opaque::Block, parachain_runtime::RuntimeApi, crate::service::Executor>,
+		TFullBackend<parachain_runtime::opaque::Block>,
+		(),
+		sp_consensus::import_queue::BasicQueue<parachain_runtime::opaque::Block, PrefixedMemoryDB<BlakeTwo256>>,
+		sc_transaction_pool::FullPool<parachain_runtime::opaque::Block, TFullClient<parachain_runtime::opaque::Block, parachain_runtime::RuntimeApi, crate::service::Executor>>,
+		(),
+	>,
+	sc_service::Error,
+>
+{
+	let inherent_data_providers = sp_inherents::InherentDataProviders::new();
 
-		let builder = sc_service::ServiceBuilder::new_full::<
+	let (client, backend, keystore, task_manager) =
+		sc_service::new_full_parts::<
 			parachain_runtime::opaque::Block,
 			parachain_runtime::RuntimeApi,
 			crate::service::Executor,
-		>($config)?
+		>(&config)?;
-		.with_select_chain(|_config, backend| Ok(sc_consensus::LongestChain::new(backend.clone())))?
+	let client = Arc::new(client);
-		.with_transaction_pool(|builder| {
+	//let select_chain = sc_consensus::LongestChain::new(backend.clone());
-			let client = builder.client();
-			let pool_api = Arc::new(sc_transaction_pool::FullChainApi::new(
-				client.clone(),
-				builder.prometheus_registry(),
-			));
-			let pool = sc_transaction_pool::BasicPool::new_full(
-				builder.config().transaction_pool.clone(),
-				pool_api,
-				builder.prometheus_registry(),
-				builder.spawn_handle(),
-				client.clone(),
-			);
-			Ok(pool)
-		})?
-		.with_import_queue(|_config, client, _, _, spawner, registry| {
-			let import_queue = cumulus_consensus::import_queue::import_queue(
-				client.clone(),
-				client,
-				inherent_data_providers.clone(),
-				spawner,
-				registry,
-			)?;
 
-			Ok(import_queue)
+	let registry = config.prometheus_registry();
-		})?;
 
-		(builder, inherent_data_providers)
+	let transaction_pool = sc_transaction_pool::BasicPool::new_full(
-		}};
+		config.transaction_pool.clone(),
+		//std::sync::Arc::new(pool_api),
+		config.prometheus_registry(),
+		task_manager.spawn_handle(),
+		client.clone(),
+	);
+
+	let import_queue = cumulus_consensus::import_queue::import_queue(
+		client.clone(),
+		client.clone(),
+		inherent_data_providers.clone(),
+		&task_manager.spawn_handle(),
+		registry.clone(),
+	)?;
+
+	let params = PartialComponents {
+		backend,
+		client,
+		import_queue,
+		keystore,
+		task_manager,
+		transaction_pool,
+		inherent_data_providers,
+		select_chain: (),
+		other: (),
+	};
+
+	Ok(params)
 }
 
 /// Run a collator node with the given parachain `Configuration` and relaychain `Configuration`
@@ -87,84 +102,123 @@ pub fn run_collator(
 	parachain_config: Configuration,
 	key: Arc<CollatorPair>,
 	mut polkadot_config: polkadot_collator::Configuration,
-	id: polkadot_primitives::parachain::Id,
+	id: polkadot_primitives::v0::Id,
-) -> sc_service::error::Result<ServiceComponents<
+	validator: bool,
-	parachain_runtime::opaque::Block,
+) -> sc_service::error::Result<(
-	TFullBackend<parachain_runtime::opaque::Block>,
+	TaskManager,
-	sc_consensus::LongestChain<TFullBackend<parachain_runtime::opaque::Block>, parachain_runtime::opaque::Block>,
+	Arc<TFullClient<parachain_runtime::opaque::Block, parachain_runtime::RuntimeApi, crate::service::Executor>>,
-	sc_transaction_pool::BasicPool<
+)> {
-		sc_transaction_pool::FullChainApi<
-			TFullClient<parachain_runtime::opaque::Block, parachain_runtime::RuntimeApi, crate::service::Executor>,
-			parachain_runtime::opaque::Block,
-		>,
-		parachain_runtime::opaque::Block,
-	>,
-	TFullClient<parachain_runtime::opaque::Block, parachain_runtime::RuntimeApi, crate::service::Executor>,
->> {
 	let mut parachain_config = prepare_collator_config(parachain_config);
 
 	parachain_config.informant_output_format = OutputFormat {
 		enable_color: true,
 		prefix: format!("[{}] ", Color::Yellow.bold().paint("Parachain")),
 	};
-
-	let (builder, inherent_data_providers) = new_full_start!(parachain_config);
-	inherent_data_providers
-		.register_provider(sp_timestamp::InherentDataProvider)
-		.unwrap();
-
-	let block_announce_validator = DelayedBlockAnnounceValidator::new();
-	let block_announce_validator_copy = block_announce_validator.clone();
-	let service = builder
-		.with_finality_proof_provider(|client, backend| {
-			// GenesisAuthoritySetProvider is implemented for StorageAndProofProvider
-			let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
-			Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
-		})?
-		.with_block_announce_validator(|_client| Box::new(block_announce_validator_copy))?
-		.build_full()?;
-
-	let registry = service.prometheus_registry.clone();
-
-	let proposer_factory = sc_basic_authorship::ProposerFactory::new(
-		service.client.clone(),
-		service.transaction_pool.clone(),
-		registry.as_ref(),
-	);
-
-	let block_import = service.client.clone();
-	let client = service.client.clone();
-	let network = service.network.clone();
-	let announce_block = Arc::new(move |hash, data| network.announce_block(hash, data));
-	let builder = CollatorBuilder::new(
-		proposer_factory,
-		inherent_data_providers,
-		block_import,
-		client.clone(),
-		id,
-		client,
-		announce_block,
-		block_announce_validator,
-	);
-
 	polkadot_config.informant_output_format = OutputFormat {
 		enable_color: true,
 		prefix: format!("[{}] ", Color::Blue.bold().paint("Relaychain")),
 	};
 
-	let (polkadot_future, task_manager) =
+	let params = new_partial(&mut parachain_config)?;
-		polkadot_collator::start_collator(builder, id, key, polkadot_config)?;
+	params.inherent_data_providers
+		.register_provider(sp_timestamp::InherentDataProvider)
+		.unwrap();
 
-	// Make sure the polkadot task manager survives as long as the service.
+	let client = params.client.clone();
-	let polkadot_future = polkadot_future.then(move |_| {
+	let backend = params.backend.clone();
-		let _ = task_manager;
+	let block_announce_validator = DelayedBlockAnnounceValidator::new();
-		ready(())
+	let block_announce_validator_builder = {
-	});
+		let block_announce_validator = block_announce_validator.clone();
+		move |_| Box::new(block_announce_validator) as Box<_>
+	};
 
-	service
+	let prometheus_registry = parachain_config.prometheus_registry().cloned();
-		.task_manager
+	let transaction_pool = params.transaction_pool.clone();
-		.spawn_essential_handle()
+	let mut task_manager = params.task_manager;
-		.spawn("polkadot", polkadot_future);
+	let import_queue = params.import_queue;
+	let (network, network_status_sinks, system_rpc_tx) =
+		sc_service::build_network(sc_service::BuildNetworkParams {
+				config: &parachain_config,
+				client: client.clone(),
+				transaction_pool: transaction_pool.clone(),
+				spawn_handle: task_manager.spawn_handle(),
+				import_queue,
+				on_demand: None,
+				block_announce_validator_builder: Some(Box::new(block_announce_validator_builder)),
+				finality_proof_request_builder: None,
+				finality_proof_provider: None,
+		})?;
 
-	Ok(service)
+	let _rpc_handlers = sc_service::spawn_tasks(sc_service::SpawnTasksParams {
+			on_demand: None,
+			remote_blockchain: None,
+			rpc_extensions_builder: Box::new(|_| ()),
+			client: client.clone(),
+			transaction_pool: transaction_pool.clone(),
+			task_manager: &mut task_manager,
+			telemetry_connection_sinks: Default::default(),
+			config: parachain_config,
+			keystore: params.keystore,
+			backend,
+			network: network.clone(),
+			network_status_sinks,
+			system_rpc_tx,
+	})?;
+
+	if validator {
+		let proposer_factory = sc_basic_authorship::ProposerFactory::new(
+			client.clone(),
+			transaction_pool,
+			prometheus_registry.as_ref(),
+		);
+
+		let block_import = client.clone();
+		let announce_block = Arc::new(move |hash, data| network.announce_block(hash, data));
+		let builder = CollatorBuilder::new(
+			proposer_factory,
+			params.inherent_data_providers,
+			block_import,
+			client.clone(),
+			id,
+			client.clone(),
+			announce_block,
+			block_announce_validator,
+		);
+
+		let (polkadot_future, polkadpt_task_manager) =
+			polkadot_collator::start_collator(builder, id, key, polkadot_config)?;
+
+		// Make sure the polkadot task manager survives as long as the service.
+		let polkadot_future = polkadot_future.then(move |_| {
+			let _ = polkadpt_task_manager;
+			ready(())
+		});
+
+		task_manager
+			.spawn_essential_handle()
+			.spawn("polkadot", polkadot_future);
+	} else {
+		let is_light = matches!(polkadot_config.role, Role::Light);
+		let builder = polkadot_service::NodeBuilder::new(polkadot_config);
+		let mut polkadot_task_manager = if is_light {
+			return Err("Light client not supported.".into());
+		} else {
+			builder.build_full(
+				Some((key.public(), id)),
+				None,
+				false,
+				6000,
+				None,
+			)
+		}?;
+		let polkadot_future = async move {
+			polkadot_task_manager.future().await.expect("polkadot essential task failed");
+		};
+
+		task_manager
+			.spawn_essential_handle()
+			.spawn("polkadot", polkadot_future);
+	}
+
+	Ok((task_manager, client))
 }

cumulus/test/parachain/tests/polkadot_mdns_issue.rs

@@ -28,7 +28,7 @@ fn interrupt_polkadot_mdns_issue_test() {
 	fn run_command_and_kill(signal: Signal) {
 		let _ = fs::remove_dir_all("interrupt_polkadot_mdns_issue_test");
 		let mut cmd = Command::new(cargo_bin("cumulus-test-parachain-collator"))
-			.args(&["-d", "interrupt_polkadot_mdns_issue_test"])
+			.args(&["-d", "interrupt_polkadot_mdns_issue_test", "--dev", "--", "--dev"])
 			.spawn()
 			.unwrap();
 

cumulus/test/parachain/tests/purge_chain_works.rs

@@ -29,7 +29,7 @@ fn purge_chain_works() {
 
 	let _ = fs::remove_dir_all(base_path);
 	let mut cmd = Command::new(cargo_bin("cumulus-test-parachain-collator"))
-		.args(&["-d", base_path])
+		.args(&["-d", base_path, "--dev", "--", "--dev"])
 		.spawn()
 		.unwrap();
 

cumulus/test/parachain/tests/running_the_node_and_interrupt.rs

@@ -28,7 +28,7 @@ fn running_the_node_works_and_can_be_interrupted() {
 	fn run_command_and_kill(signal: Signal) {
 		let _ = fs::remove_dir_all("interrupt_test");
 		let mut cmd = Command::new(cargo_bin("cumulus-test-parachain-collator"))
-			.args(&["--dev", "-d", "interrupt_test"])
+			.args(&["--dev", "-d", "interrupt_test", "--", "--dev"])
 			.spawn()
 			.unwrap();
 

cumulus/test/runtime/Cargo.toml

@@ -7,7 +7,7 @@ build = "build.rs"
 
 [dependencies]
 runtime = { package = "cumulus-runtime", path = "../../runtime", default-features = false }
-substrate-test-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "cumulus-branch", version = "2.0.0-rc4" }
+substrate-test-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "cumulus-branch", version = "2.0.0-rc5" }
 
 [build-dependencies]
 wasm-builder-runner = { package = "substrate-wasm-builder-runner", version = " 1.0.6" }