git.delta.rocks / unique-network / refs/commits / d0d6ce422c83

difftreelog

Merge pull request #1012 from UniqueNetwork/feature/lookahead-leftovers

Yaroslav Bolyukin2023-10-16parents: #0a49946 #700b0c8.patch.diff
in: master
Fix lookahead collator build

11 files changed

modifiedCargo.lockdiffbeforeafterboth
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6450,6 +6450,7 @@
  "cumulus-pallet-parachain-system",
  "cumulus-pallet-xcm",
  "cumulus-pallet-xcmp-queue",
+ "cumulus-primitives-aura",
  "cumulus-primitives-core",
  "cumulus-primitives-timestamp",
  "cumulus-primitives-utility",
@@ -8109,12 +8110,14 @@
  "pallet-evm-coder-substrate",
  "pallet-nonfungible",
  "pallet-refungible",
+ "pallet-structure",
  "parity-scale-codec",
  "scale-info",
  "sp-core",
  "sp-io",
  "sp-runtime",
  "sp-std",
+ "up-common",
  "up-data-structs",
 ]
 
@@ -14732,6 +14735,7 @@
  "cumulus-client-consensus-proposer",
  "cumulus-client-network",
  "cumulus-client-service",
+ "cumulus-primitives-aura",
  "cumulus-primitives-core",
  "cumulus-primitives-parachain-inherent",
  "cumulus-relay-chain-inprocess-interface",
modifiedCargo.tomldiffbeforeafterboth
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -100,6 +100,7 @@
 cumulus-pallet-parachain-system = { default-features = false, git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.1.0" }
 cumulus-pallet-xcm = { default-features = false, git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.1.0" }
 cumulus-pallet-xcmp-queue = { default-features = false, git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.1.0" }
+cumulus-primitives-aura = { default-features = false, git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.1.0" }
 cumulus-primitives-core = { default-features = false, git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.1.0" }
 cumulus-primitives-parachain-inherent = { default-features = false, git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.1.0" }
 cumulus-primitives-timestamp = { default-features = false, git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.1.0" }
modifiednode/cli/Cargo.tomldiffbeforeafterboth
--- a/node/cli/Cargo.toml
+++ b/node/cli/Cargo.toml
@@ -36,6 +36,7 @@
 cumulus-client-consensus-proposer = { workspace = true }
 cumulus-client-network = { workspace = true }
 cumulus-client-service = { workspace = true }
+cumulus-primitives-aura = { workspace = true }
 cumulus-primitives-core = { workspace = true }
 cumulus-primitives-parachain-inherent = { features = ["std"], workspace = true }
 cumulus-relay-chain-inprocess-interface = { workspace = true }
@@ -113,7 +114,9 @@
 	'quartz-runtime?/gov-test-timings',
 	'unique-runtime?/gov-test-timings',
 ]
-lookahead = []
+lookahead = [
+	'opal-runtime/lookahead'
+]
 pov-estimate = [
 	'opal-runtime/pov-estimate',
 	'quartz-runtime?/pov-estimate',
modifiednode/cli/src/command.rsdiffbeforeafterboth
--- a/node/cli/src/command.rs
+++ b/node/cli/src/command.rs
@@ -396,6 +396,8 @@
 			}
 		}
 		#[cfg(feature = "try-runtime")]
+		// embedded try-runtime cli will be removed soon.
+		#[allow(deprecated)]
 		Some(Subcommand::TryRuntime(cmd)) => {
 			use std::{future::Future, pin::Pin};
 
modifiednode/cli/src/service.rsdiffbeforeafterboth
--- a/node/cli/src/service.rs
+++ b/node/cli/src/service.rs
@@ -221,6 +221,14 @@
 	{
 	}
 );
+#[cfg(not(feature = "lookahead"))]
+ez_bounds!(
+	pub trait LookaheadApiDep {}
+);
+#[cfg(feature = "lookahead")]
+ez_bounds!(
+	pub trait LookaheadApiDep: cumulus_primitives_aura::AuraUnincludedSegmentApi<Block> {}
+);
 
 /// Starts a `ServiceBuilder` for a full service.
 ///
@@ -358,6 +366,7 @@
 		+ Sync
 		+ 'static,
 	RuntimeApi::RuntimeApi: RuntimeApiDep<Runtime> + 'static,
+	RuntimeApi::RuntimeApi: LookaheadApiDep,
 	Runtime: RuntimeInstance,
 	ExecutorDispatch: NativeExecutionDispatch + 'static,
 {
@@ -687,6 +696,8 @@
 	announce_block: Arc<dyn Fn(Hash, Option<Vec<u8>>) + Send + Sync>,
 }
 
+// Clones ignored for optional lookahead collator
+#[allow(clippy::redundant_clone)]
 pub fn start_consensus<ExecutorDispatch, RuntimeApi, Runtime>(
 	client: Arc<FullClient<RuntimeApi, ExecutorDispatch>>,
 	transaction_pool: Arc<
@@ -701,6 +712,7 @@
 		+ Sync
 		+ 'static,
 	RuntimeApi::RuntimeApi: RuntimeApiDep<Runtime> + 'static,
+	RuntimeApi::RuntimeApi: LookaheadApiDep,
 	Runtime: RuntimeInstance,
 {
 	let StartConsensusParameters {
@@ -735,12 +747,12 @@
 		client.clone(),
 	);
 
-	let block_import = ParachainBlockImport::new(client.clone(), backend);
+	let block_import = ParachainBlockImport::new(client.clone(), backend.clone());
 
 	let params = BuildAuraConsensusParams {
 		create_inherent_data_providers: move |_, ()| async move { Ok(()) },
 		block_import,
-		para_client: client,
+		para_client: client.clone(),
 		#[cfg(feature = "lookahead")]
 		para_backend: backend,
 		para_id,
@@ -751,10 +763,19 @@
 		proposer,
 		collator_service,
 		// With async-baking, we allowed to be both slower (longer authoring) and faster (multiple para blocks per relay block)
+		#[cfg(not(feature = "lookahead"))]
 		authoring_duration: Duration::from_millis(500),
+		#[cfg(feature = "lookahead")]
+		authoring_duration: Duration::from_millis(1500),
 		overseer_handle,
 		#[cfg(feature = "lookahead")]
-		code_hash_provider: || {},
+		code_hash_provider: move |block_hash| {
+			client
+				.code_at(block_hash)
+				.ok()
+				.map(cumulus_primitives_core::relay_chain::ValidationCode)
+				.map(|c| c.hash())
+		},
 		collator_key,
 		relay_chain_slot_duration,
 	};
@@ -762,7 +783,10 @@
 	task_manager.spawn_essential_handle().spawn(
 		"aura",
 		None,
+		#[cfg(not(feature = "lookahead"))]
 		run_aura::<_, AuraAuthorityPair, _, _, _, _, _, _, _>(params),
+		#[cfg(feature = "lookahead")]
+		run_aura::<_, AuraAuthorityPair, _, _, _, _, _, _, _, _, _>(params),
 	);
 	Ok(())
 }
modifiedpallets/inflation/src/lib.rsdiffbeforeafterboth
--- a/pallets/inflation/src/lib.rs
+++ b/pallets/inflation/src/lib.rs
@@ -70,8 +70,10 @@
 			+ Mutate<Self::AccountId>;
 		type TreasuryAccountId: Get<Self::AccountId>;
 
-		// The block number provider
-		type BlockNumberProvider: BlockNumberProvider<BlockNumber = BlockNumberFor<Self>>;
+		// The block number provider, which should be callable from `on_initialize` hook.
+		type OnInitializeBlockNumberProvider: BlockNumberProvider<
+			BlockNumber = BlockNumberFor<Self>,
+		>;
 
 		/// Number of blocks that pass between treasury balance updates due to inflation
 		#[pallet::constant]
@@ -118,7 +120,7 @@
 			};
 
 			let block_interval: u32 = T::InflationBlockInterval::get().try_into().unwrap_or(0);
-			let current_relay_block = T::BlockNumberProvider::current_block_number();
+			let current_relay_block = T::OnInitializeBlockNumberProvider::current_block_number();
 			let next_inflation: BlockNumberFor<T> = <NextInflationBlock<T>>::get();
 			add_weight(1, 0, Weight::from_parts(5_000_000, 0));
 
modifiedprimitives/common/src/constants.rsdiffbeforeafterboth
--- a/primitives/common/src/constants.rs
+++ b/primitives/common/src/constants.rs
@@ -23,7 +23,10 @@
 
 use crate::types::{Balance, BlockNumber};
 
+#[cfg(not(feature = "lookahead"))]
 pub const MILLISECS_PER_BLOCK: u64 = 12000;
+#[cfg(feature = "lookahead")]
+pub const MILLISECS_PER_BLOCK: u64 = 3000;
 pub const MILLISECS_PER_RELAY_BLOCK: u64 = 6000;
 
 pub const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;
modifiedruntime/common/config/pallets/mod.rsdiffbeforeafterboth
before · runtime/common/config/pallets/mod.rs
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/>.1617use alloc::string::{String, ToString};1819use frame_support::{20	parameter_types,21	traits::{ConstU32, ConstU64, Currency},22};23use sp_arithmetic::Perbill;24use sp_runtime::traits::AccountIdConversion;25use up_common::{26	constants::*,27	types::{AccountId, Balance, BlockNumber},28};29use up_data_structs::mapping::{CrossTokenAddressMapping, EvmTokenAddressMapping};3031#[cfg(feature = "governance")]32use crate::runtime_common::config::governance;33use crate::{34	runtime_common::{35		config::{ethereum::EvmCollectionHelpersAddress, substrate::TreasuryModuleId},36		dispatch::CollectionDispatchT,37		weights::CommonWeights,38		RelayChainBlockNumberProvider,39	},40	Balances, Runtime, RuntimeCall, RuntimeEvent, DECIMALS, TOKEN_SYMBOL, VERSION,41};4243#[cfg(feature = "foreign-assets")]44pub mod foreign_asset;4546#[cfg(feature = "app-promotion")]47pub mod app_promotion;4849#[cfg(feature = "collator-selection")]50pub mod collator_selection;5152#[cfg(feature = "preimage")]53pub mod preimage;5455parameter_types! {56	pub const CollectionCreationPrice: Balance = 2 * UNIQUE;57	pub TreasuryAccountId: AccountId = TreasuryModuleId::get().into_account_truncating();58}5960impl pallet_common::Config for Runtime {61	type WeightInfo = pallet_common::weights::SubstrateWeight<Self>;62	type RuntimeEvent = RuntimeEvent;63	type Currency = Balances;64	type CollectionCreationPrice = CollectionCreationPrice;65	type TreasuryAccountId = TreasuryAccountId;66	type CollectionDispatch = CollectionDispatchT<Self>;6768	type EvmTokenAddressMapping = EvmTokenAddressMapping;69	type CrossTokenAddressMapping = CrossTokenAddressMapping<Self::AccountId>;70	type ContractAddress = EvmCollectionHelpersAddress;71}7273impl pallet_structure::Config for Runtime {74	type RuntimeEvent = RuntimeEvent;75	type RuntimeCall = RuntimeCall;76	type WeightInfo = pallet_structure::weights::SubstrateWeight<Self>;77}7879impl pallet_fungible::Config for Runtime {80	type WeightInfo = pallet_fungible::weights::SubstrateWeight<Self>;81}82impl pallet_refungible::Config for Runtime {83	type WeightInfo = pallet_refungible::weights::SubstrateWeight<Self>;84}85impl pallet_nonfungible::Config for Runtime {86	type WeightInfo = pallet_nonfungible::weights::SubstrateWeight<Self>;87}8889parameter_types! {90	pub const Decimals: u8 = DECIMALS;91	pub Name: String = String::from_utf8_lossy(VERSION.impl_name.as_ref()).to_string();92	pub Symbol: String = TOKEN_SYMBOL.to_string();93}94impl pallet_balances_adapter::Config for Runtime {95	type Inspect = Balances;96	type Mutate = Balances;97	type CurrencyBalance = <Balances as Currency<Self::AccountId>>::Balance;98	type Decimals = Decimals;99	type Name = Name;100	type Symbol = Symbol;101	type WeightInfo = pallet_balances::weights::SubstrateWeight<Self>;102}103104parameter_types! {105	pub const InflationBlockInterval: BlockNumber = 100; // every time per how many blocks inflation is applied106}107108/// Used for the pallet inflation109impl pallet_inflation::Config for Runtime {110	type Currency = Balances;111	type TreasuryAccountId = TreasuryAccountId;112	type InflationBlockInterval = InflationBlockInterval;113	type BlockNumberProvider = RelayChainBlockNumberProvider<Runtime>;114}115116impl pallet_unique::Config for Runtime {117	type WeightInfo = pallet_unique::weights::SubstrateWeight<Self>;118	type CommonWeightInfo = CommonWeights<Self>;119	type StructureWeightInfo = pallet_structure::weights::SubstrateWeight<Self>;120	type RefungibleExtensionsWeightInfo = CommonWeights<Self>;121}122123parameter_types! {124	pub AppPromotionDailyRate: Perbill = Perbill::from_rational(5u32, 10_000);125	pub const MaxCollators: u32 = MAX_COLLATORS;126	pub const LicenseBond: Balance = GENESIS_LICENSE_BOND;127128	pub const DayRelayBlocks: BlockNumber = RELAY_DAYS;129}130131#[cfg(not(feature = "session-test-timings"))]132parameter_types! {133	pub const SessionPeriod: BlockNumber = SESSION_LENGTH;134}135136#[cfg(feature = "session-test-timings")]137parameter_types! {138	pub const SessionPeriod: BlockNumber = 5 * MINUTES;139}140141impl pallet_configuration::Config for Runtime {142	type RuntimeEvent = RuntimeEvent;143	type Balance = Balance;144	type DefaultWeightToFeeCoefficient = ConstU64<{ up_common::constants::WEIGHT_TO_FEE_COEFF }>;145	type DefaultMinGasPrice = ConstU64<{ up_common::constants::MIN_GAS_PRICE }>;146	type DefaultCollatorSelectionMaxCollators = MaxCollators;147	type DefaultCollatorSelectionKickThreshold = SessionPeriod;148	type DefaultCollatorSelectionLicenseBond = LicenseBond;149	type MaxXcmAllowedLocations = ConstU32<16>;150	type AppPromotionDailyRate = AppPromotionDailyRate;151	type DayRelayBlocks = DayRelayBlocks;152	type WeightInfo = pallet_configuration::weights::SubstrateWeight<Self>;153}154155impl pallet_maintenance::Config for Runtime {156	type RuntimeEvent = RuntimeEvent;157158	type RuntimeCall = RuntimeCall;159160	#[cfg(feature = "governance")]161	type ManagerOrigin = governance::RootOrTechnicalCommitteeMember;162163	#[cfg(not(feature = "governance"))]164	type ManagerOrigin = frame_system::EnsureRoot<AccountId>;165166	type PreimageOrigin = frame_system::EnsureRoot<AccountId>;167168	#[cfg(feature = "preimage")]169	type Preimages = crate::Preimage;170	#[cfg(not(feature = "preimage"))]171	type Preimages = ();172	type WeightInfo = pallet_maintenance::weights::SubstrateWeight<Self>;173}
after · runtime/common/config/pallets/mod.rs
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/>.1617use alloc::string::{String, ToString};1819use frame_support::{20	parameter_types,21	traits::{ConstU32, ConstU64, Currency},22};23use sp_arithmetic::Perbill;24use sp_runtime::traits::{AccountIdConversion, BlockNumberProvider};25use up_common::{26	constants::*,27	types::{AccountId, Balance, BlockNumber},28};29use up_data_structs::mapping::{CrossTokenAddressMapping, EvmTokenAddressMapping};3031#[cfg(feature = "governance")]32use crate::runtime_common::config::governance;33use crate::{34	runtime_common::{35		config::{ethereum::EvmCollectionHelpersAddress, substrate::TreasuryModuleId},36		dispatch::CollectionDispatchT,37		weights::CommonWeights,38		RelayChainBlockNumberProvider,39	},40	Balances, Runtime, RuntimeCall, RuntimeEvent, DECIMALS, TOKEN_SYMBOL, VERSION,41};4243#[cfg(feature = "foreign-assets")]44pub mod foreign_asset;4546#[cfg(feature = "app-promotion")]47pub mod app_promotion;4849#[cfg(feature = "collator-selection")]50pub mod collator_selection;5152#[cfg(feature = "preimage")]53pub mod preimage;5455parameter_types! {56	pub const CollectionCreationPrice: Balance = 2 * UNIQUE;57	pub TreasuryAccountId: AccountId = TreasuryModuleId::get().into_account_truncating();58}5960impl pallet_common::Config for Runtime {61	type WeightInfo = pallet_common::weights::SubstrateWeight<Self>;62	type RuntimeEvent = RuntimeEvent;63	type Currency = Balances;64	type CollectionCreationPrice = CollectionCreationPrice;65	type TreasuryAccountId = TreasuryAccountId;66	type CollectionDispatch = CollectionDispatchT<Self>;6768	type EvmTokenAddressMapping = EvmTokenAddressMapping;69	type CrossTokenAddressMapping = CrossTokenAddressMapping<Self::AccountId>;70	type ContractAddress = EvmCollectionHelpersAddress;71}7273impl pallet_structure::Config for Runtime {74	type RuntimeEvent = RuntimeEvent;75	type RuntimeCall = RuntimeCall;76	type WeightInfo = pallet_structure::weights::SubstrateWeight<Self>;77}7879impl pallet_fungible::Config for Runtime {80	type WeightInfo = pallet_fungible::weights::SubstrateWeight<Self>;81}82impl pallet_refungible::Config for Runtime {83	type WeightInfo = pallet_refungible::weights::SubstrateWeight<Self>;84}85impl pallet_nonfungible::Config for Runtime {86	type WeightInfo = pallet_nonfungible::weights::SubstrateWeight<Self>;87}8889parameter_types! {90	pub const Decimals: u8 = DECIMALS;91	pub Name: String = String::from_utf8_lossy(VERSION.impl_name.as_ref()).to_string();92	pub Symbol: String = TOKEN_SYMBOL.to_string();93}94impl pallet_balances_adapter::Config for Runtime {95	type Inspect = Balances;96	type Mutate = Balances;97	type CurrencyBalance = <Balances as Currency<Self::AccountId>>::Balance;98	type Decimals = Decimals;99	type Name = Name;100	type Symbol = Symbol;101	type WeightInfo = pallet_balances::weights::SubstrateWeight<Self>;102}103104parameter_types! {105	pub const InflationBlockInterval: BlockNumber = 100; // every time per how many blocks inflation is applied106}107108/// Pallet-inflation needs block number in on_initialize, where there is no `validation_data` exists yet109pub struct OnInitializeBlockNumberProvider;110impl BlockNumberProvider for OnInitializeBlockNumberProvider {111	type BlockNumber = BlockNumber;112113	fn current_block_number() -> Self::BlockNumber {114		use hex_literal::hex;115		use parity_scale_codec::Decode;116		use sp_io::storage;117		// TODO: Replace with the following code after https://github.com/paritytech/polkadot-sdk/commit/3ea497b5a0fdda252f9c5a3c257cfaf8685f02fd lands118		// <cumulus_pallet_parachain_system::Pallet<Runtime>>::last_relay_block_number()119120		// ParachainSystem.LastRelayChainBlockNumber121		let Some(encoded) = storage::get(&hex!("45323df7cc47150b3930e2666b0aa313a2bca190d36bd834cc73a38fc213ecbd")) else {122			// First parachain block123			return Default::default()124		};125		BlockNumber::decode(&mut encoded.as_ref())126			.expect("typeof(RelayBlockNumber) == typeof(BlockNumber) == u32; qed")127	}128}129130/// Used for the pallet inflation131impl pallet_inflation::Config for Runtime {132	type Currency = Balances;133	type TreasuryAccountId = TreasuryAccountId;134	type InflationBlockInterval = InflationBlockInterval;135	type OnInitializeBlockNumberProvider = OnInitializeBlockNumberProvider;136}137138impl pallet_unique::Config for Runtime {139	type WeightInfo = pallet_unique::weights::SubstrateWeight<Self>;140	type CommonWeightInfo = CommonWeights<Self>;141	type StructureWeightInfo = pallet_structure::weights::SubstrateWeight<Self>;142	type RefungibleExtensionsWeightInfo = CommonWeights<Self>;143}144145parameter_types! {146	pub AppPromotionDailyRate: Perbill = Perbill::from_rational(5u32, 10_000);147	pub const MaxCollators: u32 = MAX_COLLATORS;148	pub const LicenseBond: Balance = GENESIS_LICENSE_BOND;149150	pub const DayRelayBlocks: BlockNumber = RELAY_DAYS;151}152153#[cfg(not(feature = "session-test-timings"))]154parameter_types! {155	pub const SessionPeriod: BlockNumber = SESSION_LENGTH;156}157158#[cfg(feature = "session-test-timings")]159parameter_types! {160	pub const SessionPeriod: BlockNumber = 5 * MINUTES;161}162163impl pallet_configuration::Config for Runtime {164	type RuntimeEvent = RuntimeEvent;165	type Balance = Balance;166	type DefaultWeightToFeeCoefficient = ConstU64<{ up_common::constants::WEIGHT_TO_FEE_COEFF }>;167	type DefaultMinGasPrice = ConstU64<{ up_common::constants::MIN_GAS_PRICE }>;168	type DefaultCollatorSelectionMaxCollators = MaxCollators;169	type DefaultCollatorSelectionKickThreshold = SessionPeriod;170	type DefaultCollatorSelectionLicenseBond = LicenseBond;171	type MaxXcmAllowedLocations = ConstU32<16>;172	type AppPromotionDailyRate = AppPromotionDailyRate;173	type DayRelayBlocks = DayRelayBlocks;174	type WeightInfo = pallet_configuration::weights::SubstrateWeight<Self>;175}176177impl pallet_maintenance::Config for Runtime {178	type RuntimeEvent = RuntimeEvent;179180	type RuntimeCall = RuntimeCall;181182	#[cfg(feature = "governance")]183	type ManagerOrigin = governance::RootOrTechnicalCommitteeMember;184185	#[cfg(not(feature = "governance"))]186	type ManagerOrigin = frame_system::EnsureRoot<AccountId>;187188	type PreimageOrigin = frame_system::EnsureRoot<AccountId>;189190	#[cfg(feature = "preimage")]191	type Preimages = crate::Preimage;192	#[cfg(not(feature = "preimage"))]193	type Preimages = ();194	type WeightInfo = pallet_maintenance::weights::SubstrateWeight<Self>;195}
modifiedruntime/common/config/parachain.rsdiffbeforeafterboth
--- a/runtime/common/config/parachain.rs
+++ b/runtime/common/config/parachain.rs
@@ -38,9 +38,29 @@
 	type ReservedDmpWeight = ReservedDmpWeight;
 	type ReservedXcmpWeight = ReservedXcmpWeight;
 	type XcmpMessageHandler = XcmpQueue;
+	#[cfg(not(feature = "lookahead"))]
 	type CheckAssociatedRelayNumber = cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
+	#[cfg(feature = "lookahead")]
+	type CheckAssociatedRelayNumber =
+		cumulus_pallet_parachain_system::RelayNumberMonotonicallyIncreases;
 }
 
 impl parachain_info::Config for Runtime {}
 
 impl cumulus_pallet_aura_ext::Config for Runtime {}
+
+/// Maximum number of blocks simultaneously accepted by the Runtime, not yet included
+/// into the relay chain.
+#[cfg(feature = "lookahead")]
+const UNINCLUDED_SEGMENT_CAPACITY: u32 = 3;
+/// How many parachain blocks are processed by the relay chain per parent. Limits the
+/// number of blocks authored per slot.
+#[cfg(feature = "lookahead")]
+const BLOCK_PROCESSING_VELOCITY: u32 = 2;
+#[cfg(feature = "lookahead")]
+pub type ConsensusHook = cumulus_pallet_aura_ext::FixedVelocityConsensusHook<
+	Runtime,
+	{ MILLISECS_PER_RELAY_BLOCK as u32 },
+	BLOCK_PROCESSING_VELOCITY,
+	UNINCLUDED_SEGMENT_CAPACITY,
+>;
modifiedruntime/common/runtime_apis.rsdiffbeforeafterboth
--- a/runtime/common/runtime_apis.rs
+++ b/runtime/common/runtime_apis.rs
@@ -679,6 +679,16 @@
 				}
 			}
 
+			#[cfg(feature = "lookahead")]
+			impl cumulus_primitives_aura::AuraUnincludedSegmentApi<Block> for Runtime {
+				fn can_build_upon(
+					included_hash: <Block as BlockT>::Hash,
+					slot: cumulus_primitives_aura::Slot,
+				) -> bool {
+					$crate::config::parachain::ConsensusHook::can_build_upon(included_hash, slot)
+				}
+			}
+
 			/// Should never be used, yet still required because of https://github.com/paritytech/polkadot-sdk/issues/27
 			/// Not allowed to panic, because rpc may be called using native runtime, thus causing thread panic.
 			impl fp_rpc::ConvertTransactionRuntimeApi<Block> for Runtime {
modifiedruntime/opal/Cargo.tomldiffbeforeafterboth
--- a/runtime/opal/Cargo.toml
+++ b/runtime/opal/Cargo.toml
@@ -69,6 +69,7 @@
 	'cumulus-pallet-parachain-system/std',
 	'cumulus-pallet-xcm/std',
 	'cumulus-pallet-xcmp-queue/std',
+	'cumulus-primitives-aura/std',
 	'cumulus-primitives-core/std',
 	'cumulus-primitives-utility/std',
 	'frame-executive/std',
@@ -230,6 +231,7 @@
 preimage = []
 refungible = []
 session-test-timings = []
+lookahead = []
 
 ################################################################################
 # local dependencies
@@ -240,6 +242,7 @@
 cumulus-pallet-parachain-system = { workspace = true }
 cumulus-pallet-xcm = { workspace = true }
 cumulus-pallet-xcmp-queue = { workspace = true }
+cumulus-primitives-aura = { workspace = true }
 cumulus-primitives-core = { workspace = true }
 cumulus-primitives-timestamp = { workspace = true }
 cumulus-primitives-utility = { workspace = true }