Update to lastest Substrate master (#443)

polkadot/collator/src/lib.rs

@@ -306,7 +306,7 @@ impl<P, E> Worker for CollationNode<P, E> where
 		};
 
 		let is_known = move |block_hash: &Hash| {
-			use client::BlockStatus;
+			use consensus_common::BlockStatus;
 			use polkadot_network::gossip::Known;
 
 			match known_oracle.block_status(&BlockId::hash(*block_hash)) {

polkadot/runtime/src/attestations.rs

@@ -21,14 +21,10 @@
 
 use rstd::prelude::*;
 use codec::{Encode, Decode};
-use srml_support::{decl_storage, decl_module, ensure};
+use srml_support::{decl_storage, decl_module, ensure, dispatch::Result, traits::Get};
 
 use primitives::{Hash, parachain::{AttestedCandidate, CandidateReceipt, Id as ParaId}};
 use sr_staking_primitives::SessionIndex;
-use {system, session};
-use srml_support::{
-	StorageValue, StorageMap, StorageDoubleMap, dispatch::Result, traits::Get,
-};
 
 use inherents::{ProvideInherent, InherentData, RuntimeString, MakeFatalError, InherentIdentifier};
 use system::ensure_none;

polkadot/runtime/src/claims.rs

@@ -18,7 +18,7 @@
 
 use rstd::prelude::*;
 use sr_io::{keccak_256, secp256k1_ecdsa_recover};
-use srml_support::{StorageValue, StorageMap, decl_event, decl_storage, decl_module};
+use srml_support::{decl_event, decl_storage, decl_module};
 use srml_support::traits::{Currency, Get};
 use system::ensure_none;
 use codec::{Encode, Decode};

polkadot/runtime/src/crowdfund.rs

@@ -67,7 +67,7 @@
 //! funds ultimately end up in module's fund sub-account.
 
 use srml_support::{
-	StorageValue, StorageMap, decl_module, decl_storage, decl_event, storage::child, ensure,
+	decl_module, decl_storage, decl_event, storage::child, ensure,
 	traits::{Currency, Get, OnUnbalanced, WithdrawReason, ExistenceRequirement}
 };
 use system::ensure_signed;
@@ -187,7 +187,7 @@ decl_event! {
 decl_module! {
 	pub struct Module<T: Trait> for enum Call where origin: T::Origin {
 		fn deposit_event() = default;
-		
+
 		/// Create a new crowdfunding campaign for a parachain slot deposit for the current auction.
 		#[weight = SimpleDispatchInfo::FixedNormal(100_000)]
 		fn create(origin,
@@ -233,7 +233,7 @@ decl_module! {
 
 			Self::deposit_event(RawEvent::Created(index));
 		}
-		
+
 		/// Contribute to a crowd sale. This will transfer some balance over to fund a parachain
 		/// slot. It will be withdrawable in two instances: the parachain becomes retired; or the
 		/// slot is
@@ -312,7 +312,7 @@ decl_module! {
 
 			Self::deposit_event(RawEvent::DeployDataFixed(index));
 		}
-		
+
 		/// Complete onboarding process for a winning parachain fund. This can be called once by
 		/// any origin once a fund wins a slot and the fund has set its deploy data (using
 		/// `fix_deploy_data`).
@@ -337,7 +337,7 @@ decl_module! {
 
 			Self::deposit_event(RawEvent::Onboarded(index, para_id));
 		}
-		
+
 		/// Note that a successful fund has lost its parachain slot, and place it into retirement.
 		fn begin_retirement(origin, #[compact] index: FundIndex) {
 			let _ = ensure_signed(origin)?;
@@ -388,7 +388,7 @@ decl_module! {
 
 			Self::deposit_event(RawEvent::Withdrew(who, index, balance));
 		}
-		
+
 		/// Remove a fund after either: it was unsuccessful and it timed out; or it was successful
 		/// but it has been retired from its parachain slot. This places any deposits that were not
 		/// withdrawn into the treasury.
@@ -422,7 +422,7 @@ decl_module! {
 
 			Self::deposit_event(RawEvent::Dissolved(index));
 		}
-		
+
 		fn on_finalize(n: T::BlockNumber) {
 			if let Some(n) = <slots::Module<T>>::is_ending(n) {
 				let auction_index = <slots::Module<T>>::auction_counter();
@@ -1041,7 +1041,7 @@ mod tests {
 			assert_eq!(Balances::free_balance(3), 2990);
 		});
 	}
-	
+
 	#[test]
 	fn withdraw_handles_basic_errors() {
 		with_externalities(&mut new_test_ext(), || {
@@ -1079,7 +1079,7 @@ mod tests {
 
 			// Skip all the way to the end
 			run_to_block(50);
-			
+
 			// Check current funds (contributions + deposit)
 			assert_eq!(Balances::free_balance(Crowdfund::fund_account_id(0)), 601);
 

polkadot/runtime/src/lib.rs

@@ -41,12 +41,11 @@ use client::{
 use sr_primitives::{
 	ApplyResult, generic, Permill, Perbill, impl_opaque_keys, create_runtime_str, key_types,
 	transaction_validity::{TransactionValidity, InvalidTransaction, TransactionValidityError},
-	weights::{Weight, DispatchInfo},
+	weights::{Weight, DispatchInfo}, curve::PiecewiseLinear,
-	traits::{BlakeTwo256, Block as BlockT, DigestFor, StaticLookup, SignedExtension},
+	traits::{BlakeTwo256, Block as BlockT, StaticLookup, SignedExtension},
-	curve::PiecewiseLinear,
 };
 use version::RuntimeVersion;
-use grandpa::{AuthorityId as GrandpaId, fg_primitives::{self, ScheduledChange}};
+use grandpa::{AuthorityId as GrandpaId, fg_primitives};
 use babe_primitives::AuthorityId as BabeId;
 use elections::VoteIndex;
 #[cfg(any(feature = "std", test))]
@@ -662,45 +661,25 @@ impl_runtime_apis! {
 	}
 
 	impl fg_primitives::GrandpaApi<Block> for Runtime {
-		fn grandpa_pending_change(digest: &DigestFor<Block>)
-			-> Option<ScheduledChange<BlockNumber>>
-		{
-			Grandpa::pending_change(digest)
-		}
-
-		fn grandpa_forced_change(digest: &DigestFor<Block>)
-			-> Option<(BlockNumber, ScheduledChange<BlockNumber>)>
-		{
-			Grandpa::forced_change(digest)
-		}
-
 		fn grandpa_authorities() -> Vec<(GrandpaId, u64)> {
 			Grandpa::grandpa_authorities()
 		}
 	}
 
 	impl babe_primitives::BabeApi<Block> for Runtime {
-		fn startup_data() -> babe_primitives::BabeConfiguration {
+		fn configuration() -> babe_primitives::BabeConfiguration {
 			// The choice of `c` parameter (where `1 - c` represents the
 			// probability of a slot being empty), is done in accordance to the
 			// slot duration and expected target block time, for safely
 			// resisting network delays of maximum two seconds.
 			// <https://research.web3.foundation/en/latest/polkadot/BABE/Babe/#6-practical-results>
 			babe_primitives::BabeConfiguration {
-				median_required_blocks: 1000,
 				slot_duration: Babe::slot_duration(),
+				epoch_length: EpochDuration::get(),
 				c: PRIMARY_PROBABILITY,
-			}
+				genesis_authorities: Babe::authorities(),
-		}
-
-		fn epoch() -> babe_primitives::Epoch {
-			babe_primitives::Epoch {
-				start_slot: Babe::epoch_start_slot(),
-				authorities: Babe::authorities(),
-				epoch_index: Babe::epoch_index(),
 				randomness: Babe::randomness(),
-				duration: EpochDuration::get(),
+				secondary_slots: true,
-				secondary_slots: Babe::secondary_slots().0,
 			}
 		}
 	}

polkadot/runtime/src/parachains.rs

@@ -31,8 +31,7 @@ use primitives::{Hash, Balance, parachain::{
 }};
 use {system, session};
 use srml_support::{
-	StorageValue, StorageMap, Parameter, dispatch::Result,
+	Parameter, dispatch::Result, traits::{Currency, Get, WithdrawReason, ExistenceRequirement},
-	traits::{Currency, Get, WithdrawReason, ExistenceRequirement}
 };
 
 use inherents::{ProvideInherent, InherentData, RuntimeString, MakeFatalError, InherentIdentifier};

polkadot/runtime/src/slots.rs

@@ -23,8 +23,8 @@ use sr_primitives::traits::{CheckedSub, StaticLookup, Zero, One, CheckedConversi
 use sr_primitives::weights::SimpleDispatchInfo;
 use codec::{Encode, Decode};
 use srml_support::{
-	decl_module, decl_storage, decl_event, StorageValue, StorageMap, ensure,
+	decl_module, decl_storage, decl_event, StorageMap, ensure,
-	traits::{Currency, ReservableCurrency, WithdrawReason, ExistenceRequirement, Get}
+	traits::{Currency, ReservableCurrency, WithdrawReason, ExistenceRequirement, Get},
 };
 use primitives::parachain::AccountIdConversion;
 use crate::parachains::ParachainRegistrar;

polkadot/service/src/lib.rs

@@ -27,7 +27,7 @@ use polkadot_runtime::GenesisConfig;
 use polkadot_network::{gossip::{self as network_gossip, Known}, validation::ValidationNetwork};
 use service::{error::{Error as ServiceError}, Configuration, ServiceBuilder};
 use transaction_pool::txpool::{Pool as TransactionPool};
-use babe::{import_queue, start_babe, Config};
+use babe::{import_queue, start_babe};
 use grandpa::{self, FinalityProofProvider as GrandpaFinalityProofProvider};
 use inherents::InherentDataProviders;
 use log::info;
@@ -79,8 +79,6 @@ macro_rules! new_full_start {
 	($config:expr) => {{
 		let mut import_setup = None;
 		let inherent_data_providers = inherents::InherentDataProviders::new();
-		let mut tasks_to_spawn = None;
-
 		let builder = service::ServiceBuilder::new_full::<
 			Block, RuntimeApi, polkadot_executor::Executor
 		>($config)?
@@ -90,33 +88,37 @@ macro_rules! new_full_start {
 			.with_transaction_pool(|config, client|
 				Ok(transaction_pool::txpool::Pool::new(config, transaction_pool::ChainApi::new(client)))
 			)?
-			.with_import_queue(|_config, client, mut select_chain, transaction_pool| {
+			.with_import_queue(|_config, client, mut select_chain, _| {
 				let select_chain = select_chain.take()
 					.ok_or_else(|| service::Error::SelectChainRequired)?;
-				let (block_import, link_half) =
+				let (grandpa_block_import, grandpa_link) =
 					grandpa::block_import::<_, _, _, RuntimeApi, _, _>(
-						client.clone(), client.clone(), select_chain
+						client.clone(), &*client, select_chain
 					)?;
-				let justification_import = block_import.clone();
+				let justification_import = grandpa_block_import.clone();
 
-				let (import_queue, babe_link, babe_block_import, pruning_task) = babe::import_queue(
+				let (block_import, babe_link) = babe::block_import(
-					babe::Config::get_or_compute(&*client)?,
+						babe::Config::get_or_compute(&*client)?,
-					block_import,
+						grandpa_block_import,
-					Some(Box::new(justification_import)),
+						client.clone(),
-					None,
+						client.clone(),
-					client.clone(),
-					client,
-					inherent_data_providers.clone(),
-					Some(transaction_pool)
 				)?;
 
-				import_setup = Some((babe_block_import.clone(), link_half, babe_link));
+				let import_queue = babe::import_queue(
-				tasks_to_spawn = Some(vec![Box::new(pruning_task)]);
+						babe_link.clone(),
+						block_import.clone(),
+						Some(Box::new(justification_import)),
+						None,
+						client.clone(),
+						client,
+						inherent_data_providers.clone(),
+				)?;
 
+				import_setup = Some((block_import, grandpa_link, babe_link));
 				Ok(import_queue)
 			})?;
 
-		(builder, import_setup, inherent_data_providers, tasks_to_spawn)
+		(builder, import_setup, inherent_data_providers)
 	}}
 }
 
@@ -144,7 +146,7 @@ pub fn new_full(config: Configuration<CustomConfiguration, GenesisConfig>)
 	let disable_grandpa = config.disable_grandpa;
 	let name = config.name.clone();
 
-	let (builder, mut import_setup, inherent_data_providers, mut tasks_to_spawn) = new_full_start!(config);
+	let (builder, mut import_setup, inherent_data_providers) = new_full_start!(config);
 
 	let service = builder
 		.with_network_protocol(|config| Ok(PolkadotProtocol::new(config.custom.collating_for.clone())))?
@@ -156,17 +158,6 @@ pub fn new_full(config: Configuration<CustomConfiguration, GenesisConfig>)
 	let (block_import, link_half, babe_link) = import_setup.take()
 		.expect("Link Half and Block Import are present for Full Services or setup failed before. qed");
 
-	// spawn any futures that were created in the previous setup steps
-	if let Some(tasks) = tasks_to_spawn.take() {
-		for task in tasks {
-			service.spawn_task(
-				task.select(service.on_exit())
-					.map(|_| ())
-					.map_err(|_| ())
-			);
-		}
-	}
-
 	if is_collator {
 		info!(
 			"The node cannot start as an authority because it is also configured to run as a collator."
@@ -185,7 +176,7 @@ pub fn new_full(config: Configuration<CustomConfiguration, GenesisConfig>)
 	let gossip_validator_select_chain = select_chain.clone();
 
 	let is_known = move |block_hash: &Hash| {
-		use client::BlockStatus;
+		use consensus_common::BlockStatus;
 
 		match known_oracle.block_status(&BlockId::hash(*block_hash)) {
 			Err(_) | Ok(BlockStatus::Unknown) | Ok(BlockStatus::Queued) => None,
@@ -253,7 +244,6 @@ pub fn new_full(config: Configuration<CustomConfiguration, GenesisConfig>)
 		let select_chain = service.select_chain().ok_or(ServiceError::SelectChainRequired)?;
 
 		let babe_config = babe::BabeParams {
-			config: Config::get_or_compute(&*client)?,
 			keystore: service.keystore(),
 			client,
 			select_chain,
@@ -262,7 +252,7 @@ pub fn new_full(config: Configuration<CustomConfiguration, GenesisConfig>)
 			sync_oracle: service.network(),
 			inherent_data_providers: inherent_data_providers.clone(),
 			force_authoring: force_authoring,
-			time_source: babe_link,
+			babe_link,
 		};
 
 		let babe = start_babe(babe_config)?;
@@ -332,28 +322,35 @@ pub fn new_light(config: Configuration<CustomConfiguration, GenesisConfig>)
 		.with_transaction_pool(|config, client|
 			Ok(TransactionPool::new(config, transaction_pool::ChainApi::new(client)))
 		)?
-		.with_import_queue_and_fprb(|_config, client, backend, fetcher, _select_chain, transaction_pool| {
+		.with_import_queue_and_fprb(|_config, client, backend, fetcher, _select_chain, _| {
 			let fetch_checker = fetcher
 				.map(|fetcher| fetcher.checker().clone())
 				.ok_or_else(|| "Trying to start light import queue without active fetch checker")?;
-			let block_import = grandpa::light_block_import::<_, _, _, RuntimeApi, _>(
+			let grandpa_block_import = grandpa::light_block_import::<_, _, _, RuntimeApi, _>(
 				client.clone(), backend, Arc::new(fetch_checker), client.clone()
 			)?;
 
-			let finality_proof_import = block_import.clone();
+			let finality_proof_import = grandpa_block_import.clone();
 			let finality_proof_request_builder =
 				finality_proof_import.create_finality_proof_request_builder();
 
+
+			let (babe_block_import, babe_link) = babe::block_import(
+				babe::Config::get_or_compute(&*client)?,
+				grandpa_block_import,
+				client.clone(),
+				client.clone(),
+			)?;
+
 			// FIXME: pruning task isn't started since light client doesn't do `AuthoritySetup`.
-			let (import_queue, ..) = import_queue(
+			let import_queue = import_queue(
-				Config::get_or_compute(&*client)?,
+				babe_link,
-				block_import,
+				babe_block_import,
 				None,
 				Some(Box::new(finality_proof_import)),
 				client.clone(),
 				client,
 				inherent_data_providers.clone(),
-				Some(transaction_pool)
 			)?;
 
 			Ok((import_queue, finality_proof_request_builder))