Update Substrate & Polkadot (#427)

* Update Substrate & Polkadot

* Fixes

client/consensus/relay-chain/src/import_queue.rs

@@ -24,7 +24,7 @@ use sp_consensus::{
 	import_queue::{BasicQueue, CacheKeyId, Verifier as VerifierT},
 	BlockImport, BlockImportParams, BlockOrigin, ForkChoiceStrategy,
 };
-use sp_inherents::InherentDataProviders;
+use sp_inherents::{CreateInherentDataProviders, InherentDataProvider};
 use sp_runtime::{
 	generic::BlockId,
 	traits::{Block as BlockT, Header as HeaderT},
@@ -32,18 +32,19 @@ use sp_runtime::{
 };
 
 /// A verifier that just checks the inherents.
-struct Verifier<Client, Block> {
+struct Verifier<Client, Block, CIDP> {
 	client: Arc<Client>,
-	inherent_data_providers: InherentDataProviders,
+	create_inherent_data_providers: CIDP,
 	_marker: PhantomData<Block>,
 }
 
 #[async_trait::async_trait]
-impl<Client, Block> VerifierT<Block> for Verifier<Client, Block>
+impl<Client, Block, CIDP> VerifierT<Block> for Verifier<Client, Block, CIDP>
 where
 	Block: BlockT,
 	Client: ProvideRuntimeApi<Block> + Send + Sync,
 	<Client as ProvideRuntimeApi<Block>>::Api: BlockBuilderApi<Block>,
+	CIDP: CreateInherentDataProviders<Block, ()>,
 {
 	async fn verify(
 		&mut self,
@@ -59,10 +60,15 @@ where
 		String,
 	> {
 		if let Some(inner_body) = body.take() {
-			let inherent_data = self
-				.inherent_data_providers
+			let inherent_data_providers = self
+				.create_inherent_data_providers
+				.create_inherent_data_providers(*header.parent_hash(), ())
+				.await
+				.map_err(|e| format!("{:?}", e))?;
+
+			let inherent_data = inherent_data_providers
 				.create_inherent_data()
-				.map_err(|e| e.into_string())?;
+				.map_err(|e| format!("{:?}", e))?;
 
 			let block = Block::new(header.clone(), inner_body);
 
@@ -77,9 +83,15 @@ where
 				.map_err(|e| format!("{:?}", e))?;
 
 			if !inherent_res.ok() {
-				inherent_res.into_errors().try_for_each(|(i, e)| {
-					Err(self.inherent_data_providers.error_to_string(&i, &e))
-				})?;
+				for (i, e) in inherent_res.into_errors() {
+					match inherent_data_providers.try_handle_error(&i, &e).await {
+						Some(r) => r.map_err(|e| format!("{:?}", e))?,
+						None => Err(format!(
+							"Unhandled inherent error from `{}`.",
+							String::from_utf8_lossy(&i)
+						))?,
+					}
+				}
 			}
 
 			let (_, inner_body) = block.deconstruct();
@@ -103,10 +115,10 @@ where
 }
 
 /// Start an import queue for a Cumulus collator that does not uses any special authoring logic.
-pub fn import_queue<Client, Block: BlockT, I>(
+pub fn import_queue<Client, Block: BlockT, I, CIDP>(
 	client: Arc<Client>,
 	block_import: I,
-	inherent_data_providers: InherentDataProviders,
+	create_inherent_data_providers: CIDP,
 	spawner: &impl sp_core::traits::SpawnEssentialNamed,
 	registry: Option<&substrate_prometheus_endpoint::Registry>,
 ) -> ClientResult<BasicQueue<Block, I::Transaction>>
@@ -115,10 +127,11 @@ where
 	I::Transaction: Send,
 	Client: ProvideRuntimeApi<Block> + Send + Sync + 'static,
 	<Client as ProvideRuntimeApi<Block>>::Api: BlockBuilderApi<Block>,
+	CIDP: CreateInherentDataProviders<Block, ()> + 'static,
 {
 	let verifier = Verifier {
 		client,
-		inherent_data_providers,
+		create_inherent_data_providers,
 		_marker: PhantomData,
 	};
 

client/consensus/relay-chain/src/lib.rs

@@ -39,7 +39,6 @@ use cumulus_primitives_core::{
 	ParaId, PersistedValidationData,
 };
 use cumulus_primitives_parachain_inherent::ParachainInherentData;
-pub use import_queue::import_queue;
 use parking_lot::Mutex;
 use polkadot_service::ClientHandle;
 use sc_client_api::Backend;
@@ -48,32 +47,35 @@ use sp_consensus::{
 	BlockImport, BlockImportParams, BlockOrigin, EnableProofRecording, Environment,
 	ForkChoiceStrategy, ProofRecording, Proposal, Proposer,
 };
-use sp_inherents::{InherentData, InherentDataProviders};
+use sp_inherents::{CreateInherentDataProviders, InherentData, InherentDataProvider};
 use sp_runtime::traits::{Block as BlockT, HashFor, Header as HeaderT};
 use std::{marker::PhantomData, sync::Arc, time::Duration};
 
 mod import_queue;
+pub use import_queue::import_queue;
 
 const LOG_TARGET: &str = "cumulus-consensus-relay-chain";
 
 /// The implementation of the relay-chain provided consensus for parachains.
-pub struct RelayChainConsensus<B, PF, BI, RClient, RBackend> {
+pub struct RelayChainConsensus<B, PF, BI, RClient, RBackend, CIDP> {
 	para_id: ParaId,
 	_phantom: PhantomData<B>,
 	proposer_factory: Arc<Mutex<PF>>,
-	inherent_data_providers: InherentDataProviders,
+	create_inherent_data_providers: Arc<CIDP>,
 	block_import: Arc<futures::lock::Mutex<BI>>,
 	relay_chain_client: Arc<RClient>,
 	relay_chain_backend: Arc<RBackend>,
 }
 
-impl<B, PF, BI, RClient, RBackend> Clone for RelayChainConsensus<B, PF, BI, RClient, RBackend> {
+impl<B, PF, BI, RClient, RBackend, CIDP> Clone
+	for RelayChainConsensus<B, PF, BI, RClient, RBackend, CIDP>
+{
 	fn clone(&self) -> Self {
 		Self {
 			para_id: self.para_id,
 			_phantom: PhantomData,
 			proposer_factory: self.proposer_factory.clone(),
-			inherent_data_providers: self.inherent_data_providers.clone(),
+			create_inherent_data_providers: self.create_inherent_data_providers.clone(),
 			block_import: self.block_import.clone(),
 			relay_chain_backend: self.relay_chain_backend.clone(),
 			relay_chain_client: self.relay_chain_client.clone(),
@@ -81,18 +83,19 @@ impl<B, PF, BI, RClient, RBackend> Clone for RelayChainConsensus<B, PF, BI, RCli
 	}
 }
 
-impl<B, PF, BI, RClient, RBackend> RelayChainConsensus<B, PF, BI, RClient, RBackend>
+impl<B, PF, BI, RClient, RBackend, CIDP> RelayChainConsensus<B, PF, BI, RClient, RBackend, CIDP>
 where
 	B: BlockT,
 	RClient: ProvideRuntimeApi<PBlock>,
 	RClient::Api: ParachainHost<PBlock>,
 	RBackend: Backend<PBlock>,
+	CIDP: CreateInherentDataProviders<B, ()>,
 {
 	/// Create a new instance of relay-chain provided consensus.
 	pub fn new(
 		para_id: ParaId,
 		proposer_factory: PF,
-		inherent_data_providers: InherentDataProviders,
+		create_inherent_data_providers: CIDP,
 		block_import: BI,
 		polkadot_client: Arc<RClient>,
 		polkadot_backend: Arc<RBackend>,
@@ -100,7 +103,7 @@ where
 		Self {
 			para_id,
 			proposer_factory: Arc::new(Mutex::new(proposer_factory)),
-			inherent_data_providers,
+			create_inherent_data_providers: Arc::new(create_inherent_data_providers),
 			block_import: Arc::new(futures::lock::Mutex::new(block_import)),
 			relay_chain_backend: polkadot_backend,
 			relay_chain_client: polkadot_client,
@@ -109,13 +112,26 @@ where
 	}
 
 	/// Get the inherent data with validation function parameters injected
-	fn inherent_data(
+	async fn inherent_data(
 		&self,
+		parent: B::Hash,
 		validation_data: &PersistedValidationData,
 		relay_parent: PHash,
 	) -> Option<InherentData> {
-		let mut inherent_data = self
-			.inherent_data_providers
+		let inherent_data_providers = self
+			.create_inherent_data_providers
+			.create_inherent_data_providers(parent, ())
+			.await
+			.map_err(|e| {
+				tracing::error!(
+					target: LOG_TARGET,
+					error = ?e,
+					"Failed to create inherent data providers",
+				)
+			})
+			.ok()?;
+
+		let mut inherent_data = inherent_data_providers
 			.create_inherent_data()
 			.map_err(|e| {
 				tracing::error!(
@@ -153,8 +169,8 @@ where
 }
 
 #[async_trait::async_trait]
-impl<B, PF, BI, RClient, RBackend> ParachainConsensus<B>
-	for RelayChainConsensus<B, PF, BI, RClient, RBackend>
+impl<B, PF, BI, RClient, RBackend, CIDP> ParachainConsensus<B>
+	for RelayChainConsensus<B, PF, BI, RClient, RBackend, CIDP>
 where
 	B: BlockT,
 	RClient: ProvideRuntimeApi<PBlock> + Send + Sync,
@@ -168,6 +184,7 @@ where
 		ProofRecording = EnableProofRecording,
 		Proof = <EnableProofRecording as ProofRecording>::Proof,
 	>,
+	CIDP: CreateInherentDataProviders<B, ()>,
 {
 	async fn produce_candidate(
 		&mut self,
@@ -184,7 +201,7 @@ where
 			)
 			.ok()?;
 
-		let inherent_data = self.inherent_data(&validation_data, relay_parent)?;
+		let inherent_data = self.inherent_data(parent.hash(), &validation_data, relay_parent).await?;
 
 		let Proposal {
 			block,
@@ -236,10 +253,10 @@ where
 }
 
 /// Paramaters of [`build_relay_chain_consensus`].
-pub struct BuildRelayChainConsensusParams<PF, BI, RBackend> {
+pub struct BuildRelayChainConsensusParams<PF, BI, RBackend, CIDP> {
 	pub para_id: ParaId,
 	pub proposer_factory: PF,
-	pub inherent_data_providers: InherentDataProviders,
+	pub create_inherent_data_providers: CIDP,
 	pub block_import: BI,
 	pub relay_chain_client: polkadot_service::Client,
 	pub relay_chain_backend: Arc<RBackend>,
@@ -248,15 +265,15 @@ pub struct BuildRelayChainConsensusParams<PF, BI, RBackend> {
 /// Build the [`RelayChainConsensus`].
 ///
 /// Returns a boxed [`ParachainConsensus`].
-pub fn build_relay_chain_consensus<Block, PF, BI, RBackend>(
+pub fn build_relay_chain_consensus<Block, PF, BI, RBackend, CIDP>(
 	BuildRelayChainConsensusParams {
 		para_id,
 		proposer_factory,
-		inherent_data_providers,
+		create_inherent_data_providers,
 		block_import,
 		relay_chain_client,
 		relay_chain_backend,
-	}: BuildRelayChainConsensusParams<PF, BI, RBackend>,
+	}: BuildRelayChainConsensusParams<PF, BI, RBackend, CIDP>,
 ) -> Box<dyn ParachainConsensus<Block>>
 where
 	Block: BlockT,
@@ -271,12 +288,13 @@ where
 	RBackend: Backend<PBlock> + 'static,
 	// Rust bug: https://github.com/rust-lang/rust/issues/24159
 	sc_client_api::StateBackendFor<RBackend, PBlock>: sc_client_api::StateBackend<HashFor<PBlock>>,
+	CIDP: CreateInherentDataProviders<Block, ()> + 'static,
 {
 	RelayChainConsensusBuilder::new(
 		para_id,
 		proposer_factory,
 		block_import,
-		inherent_data_providers,
+		create_inherent_data_providers,
 		relay_chain_client,
 		relay_chain_backend,
 	)
@@ -289,17 +307,17 @@ where
 /// a concrete relay chain client instance, the builder takes a [`polkadot_service::Client`]
 /// that wraps this concrete instanace. By using [`polkadot_service::ExecuteWithClient`]
 /// the builder gets access to this concrete instance.
-struct RelayChainConsensusBuilder<Block, PF, BI, RBackend> {
+struct RelayChainConsensusBuilder<Block, PF, BI, RBackend, CIDP> {
 	para_id: ParaId,
 	_phantom: PhantomData<Block>,
 	proposer_factory: PF,
-	inherent_data_providers: InherentDataProviders,
+	create_inherent_data_providers: CIDP,
 	block_import: BI,
 	relay_chain_backend: Arc<RBackend>,
 	relay_chain_client: polkadot_service::Client,
 }
 
-impl<Block, PF, BI, RBackend> RelayChainConsensusBuilder<Block, PF, BI, RBackend>
+impl<Block, PF, BI, RBackend, CIDP> RelayChainConsensusBuilder<Block, PF, BI, RBackend, CIDP>
 where
 	Block: BlockT,
 	// Rust bug: https://github.com/rust-lang/rust/issues/24159
@@ -313,13 +331,14 @@ where
 	>,
 	BI: BlockImport<Block> + Send + Sync + 'static,
 	RBackend: Backend<PBlock> + 'static,
+	CIDP: CreateInherentDataProviders<Block, ()> + 'static,
 {
 	/// Create a new instance of the builder.
 	fn new(
 		para_id: ParaId,
 		proposer_factory: PF,
 		block_import: BI,
-		inherent_data_providers: InherentDataProviders,
+		create_inherent_data_providers: CIDP,
 		relay_chain_client: polkadot_service::Client,
 		relay_chain_backend: Arc<RBackend>,
 	) -> Self {
@@ -328,7 +347,7 @@ where
 			_phantom: PhantomData,
 			proposer_factory,
 			block_import,
-			inherent_data_providers,
+			create_inherent_data_providers,
 			relay_chain_backend,
 			relay_chain_client,
 		}
@@ -340,8 +359,8 @@ where
 	}
 }
 
-impl<Block, PF, BI, RBackend> polkadot_service::ExecuteWithClient
-	for RelayChainConsensusBuilder<Block, PF, BI, RBackend>
+impl<Block, PF, BI, RBackend, CIDP> polkadot_service::ExecuteWithClient
+	for RelayChainConsensusBuilder<Block, PF, BI, RBackend, CIDP>
 where
 	Block: BlockT,
 	// Rust bug: https://github.com/rust-lang/rust/issues/24159
@@ -355,6 +374,7 @@ where
 	>,
 	BI: BlockImport<Block> + Send + Sync + 'static,
 	RBackend: Backend<PBlock> + 'static,
+	CIDP: CreateInherentDataProviders<Block, ()> + 'static,
 {
 	type Output = Box<dyn ParachainConsensus<Block>>;
 
@@ -369,7 +389,7 @@ where
 		Box::new(RelayChainConsensus::new(
 			self.para_id,
 			self.proposer_factory,
-			self.inherent_data_providers,
+			self.create_inherent_data_providers,
 			self.block_import,
 			client.clone(),
 			self.relay_chain_backend,

pallets/parachain-system/src/lib.rs

@@ -27,33 +27,36 @@
 //!
 //! Users must ensure that they register this pallet as an inherent provider.
 
-use sp_std::{prelude::*, cmp, collections::btree_map::BTreeMap};
-use sp_runtime::traits::{BlakeTwo256, Hash};
-use sp_inherents::{InherentData, InherentIdentifier, ProvideInherent};
-use frame_support::{
-	decl_error, decl_event, decl_module, decl_storage,
-	dispatch::{DispatchResult, DispatchResultWithPostInfo},
-	ensure, storage,
-	traits::Get,
-	weights::{DispatchClass, Weight, PostDispatchInfo, Pays},
-};
-use frame_system::{ensure_none, ensure_root};
-use polkadot_parachain::primitives::RelayChainBlockNumber;
 use cumulus_primitives_core::{
 	relay_chain,
 	well_known_keys::{self, NEW_VALIDATION_CODE},
-	AbridgedHostConfiguration, DmpMessageHandler, XcmpMessageHandler,
-	InboundDownwardMessage, InboundHrmpMessage, OnValidationData, OutboundHrmpMessage, ParaId,
-	PersistedValidationData, UpwardMessage, UpwardMessageSender, MessageSendError,
-	XcmpMessageSource, ChannelStatus, GetChannelInfo,
+	AbridgedHostConfiguration, ChannelStatus, DmpMessageHandler, GetChannelInfo,
+	InboundDownwardMessage, InboundHrmpMessage, MessageSendError, OnValidationData,
+	OutboundHrmpMessage, ParaId, PersistedValidationData, UpwardMessage, UpwardMessageSender,
+	XcmpMessageHandler, XcmpMessageSource,
 };
 use cumulus_primitives_parachain_inherent::ParachainInherentData;
-use relay_state_snapshot::MessagingStateSnapshot;
-use sp_runtime::transaction_validity::{
-	TransactionSource, TransactionValidity, InvalidTransaction, ValidTransaction,
-	TransactionLongevity,
+use frame_support::{
+	decl_error, decl_event, decl_module, decl_storage,
+	dispatch::{DispatchResult, DispatchResultWithPostInfo},
+	ensure,
+	inherent::{InherentData, InherentIdentifier, ProvideInherent},
+	storage,
+	traits::Get,
+	weights::{DispatchClass, Pays, PostDispatchInfo, Weight},
 };
-use sp_runtime::DispatchError;
+use frame_system::{ensure_none, ensure_root};
+use polkadot_parachain::primitives::RelayChainBlockNumber;
+use relay_state_snapshot::MessagingStateSnapshot;
+use sp_runtime::{
+	traits::{BlakeTwo256, Hash},
+	transaction_validity::{
+		InvalidTransaction, TransactionLongevity, TransactionSource, TransactionValidity,
+		ValidTransaction,
+	},
+	DispatchError,
+};
+use sp_std::{cmp, collections::btree_map::BTreeMap, prelude::*};
 
 mod relay_state_snapshot;
 #[macro_use]
@@ -414,8 +417,7 @@ decl_module! {
 
 impl<T: Config> Module<T> {
 	fn validate_authorized_upgrade(code: &[u8]) -> Result<T::Hash, DispatchError> {
-		let required_hash = AuthorizedUpgrade::<T>::get()
-			.ok_or(Error::<T>::NothingAuthorized)?;
+		let required_hash = AuthorizedUpgrade::<T>::get().ok_or(Error::<T>::NothingAuthorized)?;
 		let actual_hash = T::Hashing::hash(&code[..]);
 		ensure!(actual_hash == required_hash, Error::<T>::Unauthorized);
 		Ok(actual_hash)
@@ -434,11 +436,11 @@ impl<T: Config> sp_runtime::traits::ValidateUnsigned for Module<T> {
 					provides: vec![hash.as_ref().to_vec()],
 					longevity: TransactionLongevity::max_value(),
 					propagate: true,
-				})
+				});
 			}
 		}
 		if let Call::set_validation_data(..) = call {
-			return Ok(Default::default())
+			return Ok(Default::default());
 		}
 		Err(InvalidTransaction::Call.into())
 	}
@@ -462,8 +464,8 @@ impl<T: Config> GetChannelInfo for Module<T> {
 		let channels = match Self::relevant_messaging_state() {
 			None => {
 				log::warn!("calling `get_channel_status` with no RelevantMessagingState?!");
-				return ChannelStatus::Closed
-			},
+				return ChannelStatus::Closed;
+			}
 			Some(d) => d.egress_channels,
 		};
 		// ^^^ NOTE: This storage field should carry over from the previous block. So if it's None
@@ -504,15 +506,16 @@ impl<T: Config> Module<T> {
 	/// # Panics
 	fn validate_validation_data(validation_data: &PersistedValidationData) {
 		validate_block::with_validation_params(|params| {
-			assert_eq!(params.parent_head, validation_data.parent_head, "Parent head doesn't match");
 			assert_eq!(
-				params.relay_parent_number,
-				validation_data.relay_parent_number,
+				params.parent_head, validation_data.parent_head,
+				"Parent head doesn't match"
+			);
+			assert_eq!(
+				params.relay_parent_number, validation_data.relay_parent_number,
 				"Relay parent number doesn't match",
 			);
 			assert_eq!(
-				params.relay_parent_storage_root,
-				validation_data.relay_parent_storage_root,
+				params.relay_parent_storage_root, validation_data.relay_parent_storage_root,
 				"Relay parent storage root doesn't match",
 			);
 		});
@@ -535,10 +538,14 @@ impl<T: Config> Module<T> {
 		let mut weight_used = 0;
 		if dm_count != 0 {
 			Self::deposit_event(RawEvent::DownwardMessagesReceived(dm_count));
-			let max_weight = ReservedDmpWeightOverride::get().unwrap_or_else(T::ReservedDmpWeight::get);
+			let max_weight =
+				ReservedDmpWeightOverride::get().unwrap_or_else(T::ReservedDmpWeight::get);
 
-			let message_iter = downward_messages.into_iter()
-				.inspect(|m| { dmq_head.extend_downward(m); })
+			let message_iter = downward_messages
+				.into_iter()
+				.inspect(|m| {
+					dmq_head.extend_downward(m);
+				})
 				.map(|m| (m.sent_at, m.msg));
 			weight_used += T::DmpMessageHandler::handle_dmp_messages(message_iter, max_weight);
 			LastDmqMqcHead::put(&dmq_head);
@@ -579,11 +586,9 @@ impl<T: Config> Module<T> {
 			// A violation of the assertion below indicates that one of the messages submitted by
 			// the collator was sent from a sender that doesn't have a channel opened to this parachain,
 			// according to the relay-parent state.
-			assert!(
-				ingress_channels
-					.binary_search_by_key(sender, |&(s, _)| s)
-					.is_ok(),
-			);
+			assert!(ingress_channels
+				.binary_search_by_key(sender, |&(s, _)| s)
+				.is_ok(),);
 		}
 
 		// Second, prepare horizontal messages for a more convenient processing:
@@ -628,10 +633,12 @@ impl<T: Config> Module<T> {
 					.extend_hrmp(horizontal_message);
 			}
 		}
-		let message_iter = horizontal_messages.iter()
+		let message_iter = horizontal_messages
+			.iter()
 			.map(|&(sender, ref message)| (sender, message.sent_at, &message.data[..]));
 
-		let max_weight = ReservedXcmpWeightOverride::get().unwrap_or_else(T::ReservedXcmpWeight::get);
+		let max_weight =
+			ReservedXcmpWeightOverride::get().unwrap_or_else(T::ReservedXcmpWeight::get);
 		let weight_used = T::XcmpMessageHandler::handle_xcmp_messages(message_iter, max_weight);
 
 		// Check that the MQC heads for each channel provided by the relay chain match the MQC heads
@@ -888,8 +895,8 @@ mod tests {
 
 	use codec::Encode;
 	use cumulus_primitives_core::{
-		AbridgedHrmpChannel, InboundDownwardMessage, InboundHrmpMessage, PersistedValidationData,
-		relay_chain::BlockNumber as RelayBlockNumber,
+		relay_chain::BlockNumber as RelayBlockNumber, AbridgedHrmpChannel, InboundDownwardMessage,
+		InboundHrmpMessage, PersistedValidationData,
 	};
 	use cumulus_test_relay_sproof_builder::RelayStateSproofBuilder;
 	use frame_support::{
@@ -982,10 +989,7 @@ mod tests {
 		static SENT_MESSAGES: RefCell<Vec<(ParaId, Vec<u8>)>> = RefCell::new(Vec::new());
 	}
 
-	fn send_message(
-		dest: ParaId,
-		message: Vec<u8>,
-	) {
+	fn send_message(dest: ParaId, message: Vec<u8>) {
 		SENT_MESSAGES.with(|m| m.borrow_mut().push((dest, message)));
 	}
 
@@ -994,9 +998,9 @@ mod tests {
 			let mut ids = std::collections::BTreeSet::<ParaId>::new();
 			let mut taken = 0;
 			let mut result = Vec::new();
-			SENT_MESSAGES.with(|ms| ms.borrow_mut()
-				.retain(|m| {
-					let status = <Module::<Test> as GetChannelInfo>::get_channel_status(m.0);
+			SENT_MESSAGES.with(|ms| {
+				ms.borrow_mut().retain(|m| {
+					let status = <Module<Test> as GetChannelInfo>::get_channel_status(m.0);
 					let ready = matches!(status, ChannelStatus::Ready(..));
 					if ready && !ids.contains(&m.0) && taken < maximum_channels {
 						ids.insert(m.0);
@@ -1007,14 +1011,14 @@ mod tests {
 						true
 					}
 				})
-			);
+			});
 			result
 		}
 	}
 
 	impl DmpMessageHandler for SaveIntoThreadLocal {
 		fn handle_dmp_messages(
-			iter: impl Iterator<Item=(RelayBlockNumber, Vec<u8>)>,
+			iter: impl Iterator<Item = (RelayBlockNumber, Vec<u8>)>,
 			_max_weight: Weight,
 		) -> Weight {
 			HANDLED_DMP_MESSAGES.with(|m| {
@@ -1027,7 +1031,7 @@ mod tests {
 	}
 
 	impl XcmpMessageHandler for SaveIntoThreadLocal {
-		fn handle_xcmp_messages<'a, I: Iterator<Item=(ParaId, RelayBlockNumber, &'a [u8])>>(
+		fn handle_xcmp_messages<'a, I: Iterator<Item = (ParaId, RelayBlockNumber, &'a [u8])>>(
 			iter: I,
 			_max_weight: Weight,
 		) -> Weight {
@@ -1284,16 +1288,15 @@ mod tests {
 			.add_with_post_test(
 				123,
 				|| {
-					assert_ok!(System::set_code(
-						RawOrigin::Root.into(),
-						Default::default()
-					));
+					assert_ok!(System::set_code(RawOrigin::Root.into(), Default::default()));
 				},
 				|| {
 					let events = System::events();
 					assert_eq!(
 						events[0].event,
-						Event::parachain_system(crate::RawEvent::ValidationFunctionStored(1123).into())
+						Event::parachain_system(
+							crate::RawEvent::ValidationFunctionStored(1123).into()
+						)
 					);
 				},
 			)
@@ -1304,7 +1307,9 @@ mod tests {
 					let events = System::events();
 					assert_eq!(
 						events[0].event,
-						Event::parachain_system(crate::RawEvent::ValidationFunctionApplied(1234).into())
+						Event::parachain_system(
+							crate::RawEvent::ValidationFunctionApplied(1234).into()
+						)
 					);
 				},
 			);
@@ -1317,10 +1322,7 @@ mod tests {
 				builder.host_config.validation_upgrade_delay = 1000;
 			})
 			.add(123, || {
-				assert_ok!(System::set_code(
-					RawOrigin::Root.into(),
-					Default::default()
-				));
+				assert_ok!(System::set_code(RawOrigin::Root.into(), Default::default()));
 			})
 			.add(234, || {
 				assert_eq!(
@@ -1338,10 +1340,7 @@ mod tests {
 					!PendingValidationFunction::exists(),
 					"validation function must not exist yet"
 				);
-				assert_ok!(System::set_code(
-					RawOrigin::Root.into(),
-					Default::default()
-				));
+				assert_ok!(System::set_code(RawOrigin::Root.into(), Default::default()));
 				assert!(
 					PendingValidationFunction::exists(),
 					"validation function must now exist"
@@ -1511,14 +1510,8 @@ mod tests {
 			.add_with_post_test(
 				1,
 				|| {
-					send_message(
-						ParaId::from(300),
-						b"1".to_vec(),
-					);
-					send_message(
-						ParaId::from(400),
-						b"2".to_vec(),
-					);
+					send_message(ParaId::from(300), b"1".to_vec());
+					send_message(ParaId::from(400), b"2".to_vec());
 				},
 				|| {},
 			)

rococo-parachains/runtime/Cargo.toml

@@ -55,7 +55,7 @@ hex-literal = "0.3.1"
 hex = "0.4.3"
 
 [build-dependencies]
-substrate-wasm-builder = "3.0.0"
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [features]
 default = [ "std" ]

rococo-parachains/shell-runtime/Cargo.toml

@@ -46,7 +46,7 @@ hex = "0.4.3"
 hex-literal = "0.3.1"
 
 [build-dependencies]
-substrate-wasm-builder = "3.0.0"
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [features]
 default = [ "std" ]

rococo-parachains/src/service.rs

@@ -28,9 +28,9 @@ use sc_executor::native_executor_instance;
 pub use sc_executor::NativeExecutor;
 use sc_service::{Configuration, PartialComponents, Role, TFullBackend, TFullClient, TaskManager};
 use sc_telemetry::{Telemetry, TelemetryWorker, TelemetryWorkerHandle};
+use sp_api::ConstructRuntimeApi;
 use sp_runtime::traits::BlakeTwo256;
 use sp_trie::PrefixedMemoryDB;
-use sp_api::ConstructRuntimeApi;
 use std::sync::Arc;
 
 // Native executor instance.
@@ -63,7 +63,8 @@ pub fn new_partial<RuntimeApi, Executor>(
 		(Option<Telemetry>, Option<TelemetryWorkerHandle>),
 	>,
 	sc_service::Error,
-> where
+>
+where
 	RuntimeApi: ConstructRuntimeApi<Block, TFullClient<Block, RuntimeApi, Executor>>
 		+ Send
 		+ Sync
@@ -79,9 +80,9 @@ pub fn new_partial<RuntimeApi, Executor>(
 	sc_client_api::StateBackendFor<TFullBackend<Block>, Block>: sp_api::StateBackend<BlakeTwo256>,
 	Executor: sc_executor::NativeExecutionDispatch + 'static,
 {
-	let inherent_data_providers = sp_inherents::InherentDataProviders::new();
-
-	let telemetry = config.telemetry_endpoints.clone()
+	let telemetry = config
+		.telemetry_endpoints
+		.clone()
 		.filter(|x| !x.is_empty())
 		.map(|endpoints| -> Result<_, sc_telemetry::Error> {
 			let worker = TelemetryWorker::new(16)?;
@@ -97,15 +98,12 @@ pub fn new_partial<RuntimeApi, Executor>(
 		)?;
 	let client = Arc::new(client);
 
-	let telemetry_worker_handle = telemetry
-		.as_ref()
-		.map(|(worker, _)| worker.handle());
+	let telemetry_worker_handle = telemetry.as_ref().map(|(worker, _)| worker.handle());
 
-	let telemetry = telemetry
-		.map(|(worker, telemetry)| {
-			task_manager.spawn_handle().spawn("telemetry", worker.run());
-			telemetry
-		});
+	let telemetry = telemetry.map(|(worker, telemetry)| {
+		task_manager.spawn_handle().spawn("telemetry", worker.run());
+		telemetry
+	});
 
 	let registry = config.prometheus_registry();
 
@@ -120,7 +118,7 @@ pub fn new_partial<RuntimeApi, Executor>(
 	let import_queue = cumulus_client_consensus_relay_chain::import_queue(
 		client.clone(),
 		client.clone(),
-		inherent_data_providers.clone(),
+		|_, _| async { Ok(sp_timestamp::InherentDataProvider::from_system_time()) },
 		&task_manager.spawn_essential_handle(),
 		registry.clone(),
 	)?;
@@ -132,7 +130,6 @@ pub fn new_partial<RuntimeApi, Executor>(
 		keystore_container,
 		task_manager,
 		transaction_pool,
-		inherent_data_providers,
 		select_chain: (),
 		other: (telemetry, telemetry_worker_handle),
 	};
@@ -180,22 +177,17 @@ where
 	let parachain_config = prepare_node_config(parachain_config);
 
 	let params = new_partial::<RuntimeApi, Executor>(&parachain_config)?;
-	params
-		.inherent_data_providers
-		.register_provider(sp_timestamp::InherentDataProvider)
-		.unwrap();
 	let (mut telemetry, telemetry_worker_handle) = params.other;
 
-	let polkadot_full_node =
-		cumulus_client_service::build_polkadot_full_node(
-			polkadot_config,
-			collator_key.clone(),
-			telemetry_worker_handle,
-		)
-		.map_err(|e| match e {
-			polkadot_service::Error::Sub(x) => x,
-			s => format!("{}", s).into(),
-		})?;
+	let polkadot_full_node = cumulus_client_service::build_polkadot_full_node(
+		polkadot_config,
+		collator_key.clone(),
+		telemetry_worker_handle,
+	)
+	.map_err(|e| match e {
+		polkadot_service::Error::Sub(x) => x,
+		s => format!("{}", s).into(),
+	})?;
 
 	let client = params.client.clone();
 	let backend = params.backend.clone();
@@ -258,7 +250,9 @@ where
 		let parachain_consensus = build_relay_chain_consensus(BuildRelayChainConsensusParams {
 			para_id: id,
 			proposer_factory,
-			inherent_data_providers: params.inherent_data_providers,
+			create_inherent_data_providers: |_, _| async {
+				Ok(sp_timestamp::InherentDataProvider::from_system_time())
+			},
 			block_import: client.clone(),
 			relay_chain_client: polkadot_full_node.client.clone(),
 			relay_chain_backend: polkadot_full_node.backend.clone(),
@@ -302,9 +296,10 @@ pub async fn start_node(
 	polkadot_config: Configuration,
 	id: ParaId,
 	validator: bool,
-) -> sc_service::error::Result<
-	(TaskManager, Arc<TFullClient<Block, parachain_runtime::RuntimeApi, RuntimeExecutor>>)
-> {
+) -> sc_service::error::Result<(
+	TaskManager,
+	Arc<TFullClient<Block, parachain_runtime::RuntimeApi, RuntimeExecutor>>,
+)> {
 	start_node_impl::<parachain_runtime::RuntimeApi, RuntimeExecutor, _>(
 		parachain_config,
 		collator_key,
@@ -312,7 +307,8 @@ pub async fn start_node(
 		id,
 		validator,
 		|_| Default::default(),
-	).await
+	)
+	.await
 }
 
 /// Start a rococo-shell parachain node.
@@ -322,9 +318,10 @@ pub async fn start_shell_node(
 	polkadot_config: Configuration,
 	id: ParaId,
 	validator: bool,
-) -> sc_service::error::Result<
-	(TaskManager, Arc<TFullClient<Block, shell_runtime::RuntimeApi, ShellRuntimeExecutor>>)
-> {
+) -> sc_service::error::Result<(
+	TaskManager,
+	Arc<TFullClient<Block, shell_runtime::RuntimeApi, ShellRuntimeExecutor>>,
+)> {
 	start_node_impl::<shell_runtime::RuntimeApi, ShellRuntimeExecutor, _>(
 		parachain_config,
 		collator_key,
@@ -332,5 +329,6 @@ pub async fn start_shell_node(
 		id,
 		validator,
 		|_| Default::default(),
-	).await
+	)
+	.await
 }

test/runtime-upgrade/Cargo.toml

@@ -37,7 +37,7 @@ cumulus-primitives-core = { path = "../../primitives/core", default-features = f
 polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 
 [build-dependencies]
-substrate-wasm-builder = "3.0.0"
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [features]
 default = [ "std", "upgrade" ]

test/runtime/Cargo.toml

@@ -37,7 +37,7 @@ cumulus-primitives-core = { path = "../../primitives/core", default-features = f
 polkadot-parachain = { git = "https://github.com/paritytech/polkadot", default-features = false, branch = "master" }
 
 [build-dependencies]
-substrate-wasm-builder = "3.0.0"
+substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [features]
 default = [ "std" ]

test/service/Cargo.toml

@@ -29,7 +29,6 @@ sp-block-builder = { git = "https://github.com/paritytech/substrate", branch = "
 sp-blockchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-sp-inherents = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-offchain = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }

test/service/src/lib.rs

@@ -89,8 +89,6 @@ pub fn new_partial(
 	>,
 	sc_service::Error,
 > {
-	let inherent_data_providers = sp_inherents::InherentDataProviders::new();
-
 	let (client, backend, keystore_container, task_manager) =
 		sc_service::new_full_parts::<Block, RuntimeApi, RuntimeExecutor>(&config, None)?;
 	let client = Arc::new(client);
@@ -108,7 +106,7 @@ pub fn new_partial(
 	let import_queue = cumulus_client_consensus_relay_chain::import_queue(
 		client.clone(),
 		client.clone(),
-		inherent_data_providers.clone(),
+		|_, _| async { Ok(sp_timestamp::InherentDataProvider::from_system_time()) },
 		&task_manager.spawn_essential_handle(),
 		registry.clone(),
 	)?;
@@ -120,7 +118,6 @@ pub fn new_partial(
 		keystore_container,
 		task_manager,
 		transaction_pool,
-		inherent_data_providers,
 		select_chain: (),
 		other: (),
 	};
@@ -158,10 +155,6 @@ where
 	let mut parachain_config = prepare_node_config(parachain_config);
 
 	let params = new_partial(&mut parachain_config)?;
-	params
-		.inherent_data_providers
-		.register_provider(sp_timestamp::InherentDataProvider)
-		.expect("Registers timestamp inherent data provider.");
 
 	let transaction_pool = params.transaction_pool.clone();
 	let mut task_manager = params.task_manager;
@@ -242,7 +235,7 @@ where
 		let parachain_consensus = cumulus_client_consensus_relay_chain::RelayChainConsensus::new(
 			para_id,
 			proposer_factory,
-			params.inherent_data_providers,
+			|_, _| async { Ok(sp_timestamp::InherentDataProvider::from_system_time()) },
 			client.clone(),
 			relay_chain_full_node.client.clone(),
 			relay_chain_full_node.backend.clone(),