base for testing new pallets

runtime/src/lib.rs

@@ -0,0 +1,764 @@
+#![cfg_attr(not(feature = "std"), no_std)]
+// `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
+#![recursion_limit = "256"]
+
+// Make the WASM binary available.
+#[cfg(feature = "std")]
+include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
+
+mod weights;
+pub mod xcm_config;
+
+use cumulus_pallet_parachain_system::RelayNumberStrictlyIncreases;
+use cumulus_primitives_core::ParaId;
+use polkadot_runtime_common::xcm_sender::NoPriceForMessageDelivery;
+use smallvec::smallvec;
+use sp_api::impl_runtime_apis;
+use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
+use sp_runtime::{
+	create_runtime_str, generic, impl_opaque_keys,
+	traits::{AccountIdLookup, BlakeTwo256, Block as BlockT, IdentifyAccount, Verify},
+	transaction_validity::{TransactionSource, TransactionValidity},
+	ApplyExtrinsicResult, MultiSignature,
+};
+
+use sp_std::prelude::*;
+#[cfg(feature = "std")]
+use sp_version::NativeVersion;
+use sp_version::RuntimeVersion;
+
+use frame_support::{
+	construct_runtime,
+	dispatch::DispatchClass,
+	genesis_builder_helper::{build_config, create_default_config},
+	parameter_types,
+	traits::{ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, Everything},
+	weights::{
+		constants::WEIGHT_REF_TIME_PER_SECOND, ConstantMultiplier, Weight, WeightToFeeCoefficient,
+		WeightToFeeCoefficients, WeightToFeePolynomial,
+	},
+	PalletId,
+};
+use frame_system::{
+	limits::{BlockLength, BlockWeights},
+	EnsureRoot,
+};
+use pallet_xcm::{EnsureXcm, IsVoiceOfBody};
+pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
+pub use sp_runtime::{MultiAddress, Perbill, Permill};
+use xcm_config::{RelayLocation, XcmConfig, XcmOriginToTransactDispatchOrigin};
+
+#[cfg(any(feature = "std", test))]
+pub use sp_runtime::BuildStorage;
+
+// Polkadot imports
+use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
+
+use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
+
+// XCM Imports
+use xcm::latest::prelude::BodyId;
+use xcm_executor::XcmExecutor;
+
+/// Import the template pallet.
+pub use pallet_parachain_template;
+
+/// Alias to 512-bit hash when used in the context of a transaction signature on the chain.
+pub type Signature = MultiSignature;
+
+/// Some way of identifying an account on the chain. We intentionally make it equivalent
+/// to the public key of our transaction signing scheme.
+pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;
+
+/// Balance of an account.
+pub type Balance = u128;
+
+/// Index of a transaction in the chain.
+pub type Nonce = u32;
+
+/// A hash of some data used by the chain.
+pub type Hash = sp_core::H256;
+
+/// An index to a block.
+pub type BlockNumber = u32;
+
+/// The address format for describing accounts.
+pub type Address = MultiAddress<AccountId, ()>;
+
+/// Block header type as expected by this runtime.
+pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
+
+/// Block type as expected by this runtime.
+pub type Block = generic::Block<Header, UncheckedExtrinsic>;
+
+/// A Block signed with a Justification
+pub type SignedBlock = generic::SignedBlock<Block>;
+
+/// BlockId type as expected by this runtime.
+pub type BlockId = generic::BlockId<Block>;
+
+/// The SignedExtension to the basic transaction logic.
+pub type SignedExtra = (
+	frame_system::CheckNonZeroSender<Runtime>,
+	frame_system::CheckSpecVersion<Runtime>,
+	frame_system::CheckTxVersion<Runtime>,
+	frame_system::CheckGenesis<Runtime>,
+	frame_system::CheckEra<Runtime>,
+	frame_system::CheckNonce<Runtime>,
+	frame_system::CheckWeight<Runtime>,
+	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
+);
+
+/// Unchecked extrinsic type as expected by this runtime.
+pub type UncheckedExtrinsic =
+	generic::UncheckedExtrinsic<Address, RuntimeCall, Signature, SignedExtra>;
+
+/// Executive: handles dispatch to the various modules.
+pub type Executive = frame_executive::Executive<
+	Runtime,
+	Block,
+	frame_system::ChainContext<Runtime>,
+	Runtime,
+	AllPalletsWithSystem,
+>;
+
+/// Handles converting a weight scalar to a fee value, based on the scale and granularity of the
+/// node's balance type.
+///
+/// This should typically create a mapping between the following ranges:
+///   - `[0, MAXIMUM_BLOCK_WEIGHT]`
+///   - `[Balance::min, Balance::max]`
+///
+/// Yet, it can be used for any other sort of change to weight-fee. Some examples being:
+///   - Setting it to `0` will essentially disable the weight fee.
+///   - Setting it to `1` will cause the literal `#[weight = x]` values to be charged.
+pub struct WeightToFee;
+impl WeightToFeePolynomial for WeightToFee {
+	type Balance = Balance;
+	fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
+		// in Rococo, extrinsic base weight (smallest non-zero weight) is mapped to 1 MILLIUNIT:
+		// in our template, we map to 1/10 of that, or 1/10 MILLIUNIT
+		let p = MILLIUNIT / 10;
+		let q = 100 * Balance::from(ExtrinsicBaseWeight::get().ref_time());
+		smallvec![WeightToFeeCoefficient {
+			degree: 1,
+			negative: false,
+			coeff_frac: Perbill::from_rational(p % q, q),
+			coeff_integer: p / q,
+		}]
+	}
+}
+
+/// Opaque types. These are used by the CLI to instantiate machinery that don't need to know
+/// the specifics of the runtime. They can then be made to be agnostic over specific formats
+/// of data like extrinsics, allowing for them to continue syncing the network through upgrades
+/// to even the core data structures.
+pub mod opaque {
+	use super::*;
+	use sp_runtime::{
+		generic,
+		traits::{BlakeTwo256, Hash as HashT},
+	};
+
+	pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
+	/// Opaque block header type.
+	pub type Header = generic::Header<BlockNumber, BlakeTwo256>;
+	/// Opaque block type.
+	pub type Block = generic::Block<Header, UncheckedExtrinsic>;
+	/// Opaque block identifier type.
+	pub type BlockId = generic::BlockId<Block>;
+	/// Opaque block hash type.
+	pub type Hash = <BlakeTwo256 as HashT>::Output;
+}
+
+impl_opaque_keys! {
+	pub struct SessionKeys {
+		pub aura: Aura,
+	}
+}
+
+#[sp_version::runtime_version]
+pub const VERSION: RuntimeVersion = RuntimeVersion {
+	spec_name: create_runtime_str!("template-parachain"),
+	impl_name: create_runtime_str!("template-parachain"),
+	authoring_version: 1,
+	spec_version: 1,
+	impl_version: 0,
+	apis: RUNTIME_API_VERSIONS,
+	transaction_version: 1,
+	state_version: 1,
+};
+
+/// This determines the average expected block time that we are targeting.
+/// Blocks will be produced at a minimum duration defined by `SLOT_DURATION`.
+/// `SLOT_DURATION` is picked up by `pallet_timestamp` which is in turn picked
+/// up by `pallet_aura` to implement `fn slot_duration()`.
+///
+/// Change this to adjust the block time.
+pub const MILLISECS_PER_BLOCK: u64 = 12000;
+
+// NOTE: Currently it is not possible to change the slot duration after the chain has started.
+//       Attempting to do so will brick block production.
+pub const SLOT_DURATION: u64 = MILLISECS_PER_BLOCK;
+
+// Time is measured by number of blocks.
+pub const MINUTES: BlockNumber = 60_000 / (MILLISECS_PER_BLOCK as BlockNumber);
+pub const HOURS: BlockNumber = MINUTES * 60;
+pub const DAYS: BlockNumber = HOURS * 24;
+
+// Unit = the base number of indivisible units for balances
+pub const UNIT: Balance = 1_000_000_000_000;
+pub const MILLIUNIT: Balance = 1_000_000_000;
+pub const MICROUNIT: Balance = 1_000_000;
+
+/// The existential deposit. Set to 1/10 of the Connected Relay Chain.
+pub const EXISTENTIAL_DEPOSIT: Balance = MILLIUNIT;
+
+/// We assume that ~5% of the block weight is consumed by `on_initialize` handlers. This is
+/// used to limit the maximal weight of a single extrinsic.
+const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(5);
+
+/// We allow `Normal` extrinsics to fill up the block up to 75%, the rest can be used by
+/// `Operational` extrinsics.
+const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
+
+/// We allow for 0.5 of a second of compute with a 12 second average block time.
+const MAXIMUM_BLOCK_WEIGHT: Weight = Weight::from_parts(
+	WEIGHT_REF_TIME_PER_SECOND.saturating_div(2),
+	cumulus_primitives_core::relay_chain::MAX_POV_SIZE as u64,
+);
+
+/// Maximum number of blocks simultaneously accepted by the Runtime, not yet included
+/// into the relay chain.
+const UNINCLUDED_SEGMENT_CAPACITY: u32 = 1;
+/// How many parachain blocks are processed by the relay chain per parent. Limits the
+/// number of blocks authored per slot.
+const BLOCK_PROCESSING_VELOCITY: u32 = 1;
+/// Relay chain slot duration, in milliseconds.
+const RELAY_CHAIN_SLOT_DURATION_MILLIS: u32 = 6000;
+
+/// The version information used to identify this runtime when compiled natively.
+#[cfg(feature = "std")]
+pub fn native_version() -> NativeVersion {
+	NativeVersion { runtime_version: VERSION, can_author_with: Default::default() }
+}
+
+parameter_types! {
+	pub const Version: RuntimeVersion = VERSION;
+
+	// This part is copied from Substrate's `bin/node/runtime/src/lib.rs`.
+	//  The `RuntimeBlockLength` and `RuntimeBlockWeights` exist here because the
+	// `DeletionWeightLimit` and `DeletionQueueDepth` depend on those to parameterize
+	// the lazy contract deletion.
+	pub RuntimeBlockLength: BlockLength =
+		BlockLength::max_with_normal_ratio(5 * 1024 * 1024, NORMAL_DISPATCH_RATIO);
+	pub RuntimeBlockWeights: BlockWeights = BlockWeights::builder()
+		.base_block(BlockExecutionWeight::get())
+		.for_class(DispatchClass::all(), |weights| {
+			weights.base_extrinsic = ExtrinsicBaseWeight::get();
+		})
+		.for_class(DispatchClass::Normal, |weights| {
+			weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT);
+		})
+		.for_class(DispatchClass::Operational, |weights| {
+			weights.max_total = Some(MAXIMUM_BLOCK_WEIGHT);
+			// Operational transactions have some extra reserved space, so that they
+			// are included even if block reached `MAXIMUM_BLOCK_WEIGHT`.
+			weights.reserved = Some(
+				MAXIMUM_BLOCK_WEIGHT - NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT
+			);
+		})
+		.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
+		.build_or_panic();
+	pub const SS58Prefix: u16 = 42;
+}
+
+// Configure FRAME pallets to include in runtime.
+
+impl frame_system::Config for Runtime {
+	/// The identifier used to distinguish between accounts.
+	type AccountId = AccountId;
+	/// The aggregated dispatch type that is available for extrinsics.
+	type RuntimeCall = RuntimeCall;
+	/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
+	type Lookup = AccountIdLookup<AccountId, ()>;
+	/// The index type for storing how many extrinsics an account has signed.
+	type Nonce = Nonce;
+	/// The type for hashing blocks and tries.
+	type Hash = Hash;
+	/// The hashing algorithm used.
+	type Hashing = BlakeTwo256;
+	/// The block type.
+	type Block = Block;
+	/// The ubiquitous event type.
+	type RuntimeEvent = RuntimeEvent;
+	/// The ubiquitous origin type.
+	type RuntimeOrigin = RuntimeOrigin;
+	/// Maximum number of block number to block hash mappings to keep (oldest pruned first).
+	type BlockHashCount = BlockHashCount;
+	/// Runtime version.
+	type Version = Version;
+	/// Converts a module to an index of this module in the runtime.
+	type PalletInfo = PalletInfo;
+	/// The data to be stored in an account.
+	type AccountData = pallet_balances::AccountData<Balance>;
+	/// What to do if a new account is created.
+	type OnNewAccount = ();
+	/// What to do if an account is fully reaped from the system.
+	type OnKilledAccount = ();
+	/// The weight of database operations that the runtime can invoke.
+	type DbWeight = RocksDbWeight;
+	/// The basic call filter to use in dispatchable.
+	type BaseCallFilter = Everything;
+	/// Weight information for the extrinsics of this pallet.
+	type SystemWeightInfo = ();
+	/// Block & extrinsics weights: base values and limits.
+	type BlockWeights = RuntimeBlockWeights;
+	/// The maximum length of a block (in bytes).
+	type BlockLength = RuntimeBlockLength;
+	/// This is used as an identifier of the chain. 42 is the generic substrate prefix.
+	type SS58Prefix = SS58Prefix;
+	/// The action to take on a Runtime Upgrade
+	type OnSetCode = cumulus_pallet_parachain_system::ParachainSetCode<Self>;
+	type MaxConsumers = frame_support::traits::ConstU32<16>;
+}
+
+impl pallet_timestamp::Config for Runtime {
+	/// A timestamp: milliseconds since the unix epoch.
+	type Moment = u64;
+	type OnTimestampSet = Aura;
+	type MinimumPeriod = ConstU64<{ SLOT_DURATION / 2 }>;
+	type WeightInfo = ();
+}
+
+impl pallet_authorship::Config for Runtime {
+	type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Aura>;
+	type EventHandler = (CollatorSelection,);
+}
+
+parameter_types! {
+	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
+}
+
+impl pallet_balances::Config for Runtime {
+	type MaxLocks = ConstU32<50>;
+	/// The type for recording an account's balance.
+	type Balance = Balance;
+	/// The ubiquitous event type.
+	type RuntimeEvent = RuntimeEvent;
+	type DustRemoval = ();
+	type ExistentialDeposit = ExistentialDeposit;
+	type AccountStore = System;
+	type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
+	type MaxReserves = ConstU32<50>;
+	type ReserveIdentifier = [u8; 8];
+	type RuntimeHoldReason = RuntimeHoldReason;
+	type RuntimeFreezeReason = RuntimeFreezeReason;
+	type FreezeIdentifier = ();
+	type MaxHolds = ConstU32<0>;
+	type MaxFreezes = ConstU32<0>;
+}
+
+parameter_types! {
+	/// Relay Chain `TransactionByteFee` / 10
+	pub const TransactionByteFee: Balance = 10 * MICROUNIT;
+}
+
+impl pallet_transaction_payment::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type WeightToFee = WeightToFee;
+	type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
+	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
+	type OperationalFeeMultiplier = ConstU8<5>;
+}
+
+impl pallet_sudo::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type RuntimeCall = RuntimeCall;
+	type WeightInfo = ();
+}
+
+parameter_types! {
+	pub const ReservedXcmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(4);
+	pub const ReservedDmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT.saturating_div(4);
+}
+
+impl cumulus_pallet_parachain_system::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type OnSystemEvent = ();
+	type SelfParaId = parachain_info::Pallet<Runtime>;
+	type OutboundXcmpMessageSource = XcmpQueue;
+	type DmpMessageHandler = DmpQueue;
+	type ReservedDmpWeight = ReservedDmpWeight;
+	type XcmpMessageHandler = XcmpQueue;
+	type ReservedXcmpWeight = ReservedXcmpWeight;
+	type CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
+	type ConsensusHook = cumulus_pallet_aura_ext::FixedVelocityConsensusHook<
+		Runtime,
+		RELAY_CHAIN_SLOT_DURATION_MILLIS,
+		BLOCK_PROCESSING_VELOCITY,
+		UNINCLUDED_SEGMENT_CAPACITY,
+	>;
+}
+
+impl parachain_info::Config for Runtime {}
+
+impl cumulus_pallet_aura_ext::Config for Runtime {}
+
+impl cumulus_pallet_xcmp_queue::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ChannelInfo = ParachainSystem;
+	type VersionWrapper = ();
+	type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
+	type ControllerOrigin = EnsureRoot<AccountId>;
+	type ControllerOriginConverter = XcmOriginToTransactDispatchOrigin;
+	type WeightInfo = ();
+	type PriceForSiblingDelivery = NoPriceForMessageDelivery<ParaId>;
+}
+
+impl cumulus_pallet_dmp_queue::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
+}
+
+parameter_types! {
+	pub const Period: u32 = 6 * HOURS;
+	pub const Offset: u32 = 0;
+}
+
+impl pallet_session::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type ValidatorId = <Self as frame_system::Config>::AccountId;
+	// we don't have stash and controller, thus we don't need the convert as well.
+	type ValidatorIdOf = pallet_collator_selection::IdentityCollator;
+	type ShouldEndSession = pallet_session::PeriodicSessions<Period, Offset>;
+	type NextSessionRotation = pallet_session::PeriodicSessions<Period, Offset>;
+	type SessionManager = CollatorSelection;
+	// Essentially just Aura, but let's be pedantic.
+	type SessionHandler = <SessionKeys as sp_runtime::traits::OpaqueKeys>::KeyTypeIdProviders;
+	type Keys = SessionKeys;
+	type WeightInfo = ();
+}
+
+impl pallet_aura::Config for Runtime {
+	type AuthorityId = AuraId;
+	type DisabledValidators = ();
+	type MaxAuthorities = ConstU32<100_000>;
+	type AllowMultipleBlocksPerSlot = ConstBool<false>;
+	#[cfg(feature = "experimental")]
+	type SlotDuration = pallet_aura::MinimumPeriodTimesTwo<Self>;
+}
+
+parameter_types! {
+	pub const PotId: PalletId = PalletId(*b"PotStake");
+	pub const SessionLength: BlockNumber = 6 * HOURS;
+	// StakingAdmin pluralistic body.
+	pub const StakingAdminBodyId: BodyId = BodyId::Defense;
+}
+
+/// We allow root and the StakingAdmin to execute privileged collator selection operations.
+pub type CollatorSelectionUpdateOrigin = EitherOfDiverse<
+	EnsureRoot<AccountId>,
+	EnsureXcm<IsVoiceOfBody<RelayLocation, StakingAdminBodyId>>,
+>;
+
+impl pallet_collator_selection::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type Currency = Balances;
+	type UpdateOrigin = CollatorSelectionUpdateOrigin;
+	type PotId = PotId;
+	type MaxCandidates = ConstU32<100>;
+	type MinEligibleCollators = ConstU32<4>;
+	type MaxInvulnerables = ConstU32<20>;
+	// should be a multiple of session or things will get inconsistent
+	type KickThreshold = Period;
+	type ValidatorId = <Self as frame_system::Config>::AccountId;
+	type ValidatorIdOf = pallet_collator_selection::IdentityCollator;
+	type ValidatorRegistration = Session;
+	type WeightInfo = ();
+}
+
+/// Configure the pallet template in pallets/template.
+impl pallet_parachain_template::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+}
+
+// Create the runtime by composing the FRAME pallets that were previously configured.
+construct_runtime!(
+	pub enum Runtime
+	{
+		// System support stuff.
+		System: frame_system = 0,
+		ParachainSystem: cumulus_pallet_parachain_system = 1,
+		Timestamp: pallet_timestamp = 2,
+		ParachainInfo: parachain_info = 3,
+
+		// Monetary stuff.
+		Balances: pallet_balances = 10,
+		TransactionPayment: pallet_transaction_payment = 11,
+
+		// Governance
+		Sudo: pallet_sudo = 15,
+
+		// Collator support. The order of these 4 are important and shall not change.
+		Authorship: pallet_authorship = 20,
+		CollatorSelection: pallet_collator_selection = 21,
+		Session: pallet_session = 22,
+		Aura: pallet_aura = 23,
+		AuraExt: cumulus_pallet_aura_ext = 24,
+
+		// XCM helpers.
+		XcmpQueue: cumulus_pallet_xcmp_queue = 30,
+		PolkadotXcm: pallet_xcm = 31,
+		CumulusXcm: cumulus_pallet_xcm = 32,
+		DmpQueue: cumulus_pallet_dmp_queue = 33,
+
+		// Template
+		TemplatePallet: pallet_parachain_template = 50,
+	}
+);
+
+#[cfg(feature = "runtime-benchmarks")]
+mod benches {
+	frame_benchmarking::define_benchmarks!(
+		[frame_system, SystemBench::<Runtime>]
+		[pallet_balances, Balances]
+		[pallet_session, SessionBench::<Runtime>]
+		[pallet_timestamp, Timestamp]
+		[pallet_sudo, Sudo]
+		[pallet_collator_selection, CollatorSelection]
+		[cumulus_pallet_xcmp_queue, XcmpQueue]
+	);
+}
+
+impl_runtime_apis! {
+	impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {
+		fn slot_duration() -> sp_consensus_aura::SlotDuration {
+			sp_consensus_aura::SlotDuration::from_millis(Aura::slot_duration())
+		}
+
+		fn authorities() -> Vec<AuraId> {
+			Aura::authorities().into_inner()
+		}
+	}
+
+	impl sp_api::Core<Block> for Runtime {
+		fn version() -> RuntimeVersion {
+			VERSION
+		}
+
+		fn execute_block(block: Block) {
+			Executive::execute_block(block)
+		}
+
+		fn initialize_block(header: &<Block as BlockT>::Header) {
+			Executive::initialize_block(header)
+		}
+	}
+
+	impl sp_api::Metadata<Block> for Runtime {
+		fn metadata() -> OpaqueMetadata {
+			OpaqueMetadata::new(Runtime::metadata().into())
+		}
+
+		fn metadata_at_version(version: u32) -> Option<OpaqueMetadata> {
+			Runtime::metadata_at_version(version)
+		}
+
+		fn metadata_versions() -> sp_std::vec::Vec<u32> {
+			Runtime::metadata_versions()
+		}
+	}
+
+	impl sp_block_builder::BlockBuilder<Block> for Runtime {
+		fn apply_extrinsic(extrinsic: <Block as BlockT>::Extrinsic) -> ApplyExtrinsicResult {
+			Executive::apply_extrinsic(extrinsic)
+		}
+
+		fn finalize_block() -> <Block as BlockT>::Header {
+			Executive::finalize_block()
+		}
+
+		fn inherent_extrinsics(data: sp_inherents::InherentData) -> Vec<<Block as BlockT>::Extrinsic> {
+			data.create_extrinsics()
+		}
+
+		fn check_inherents(
+			block: Block,
+			data: sp_inherents::InherentData,
+		) -> sp_inherents::CheckInherentsResult {
+			data.check_extrinsics(&block)
+		}
+	}
+
+	impl sp_transaction_pool::runtime_api::TaggedTransactionQueue<Block> for Runtime {
+		fn validate_transaction(
+			source: TransactionSource,
+			tx: <Block as BlockT>::Extrinsic,
+			block_hash: <Block as BlockT>::Hash,
+		) -> TransactionValidity {
+			Executive::validate_transaction(source, tx, block_hash)
+		}
+	}
+
+	impl sp_offchain::OffchainWorkerApi<Block> for Runtime {
+		fn offchain_worker(header: &<Block as BlockT>::Header) {
+			Executive::offchain_worker(header)
+		}
+	}
+
+	impl sp_session::SessionKeys<Block> for Runtime {
+		fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {
+			SessionKeys::generate(seed)
+		}
+
+		fn decode_session_keys(
+			encoded: Vec<u8>,
+		) -> Option<Vec<(Vec<u8>, KeyTypeId)>> {
+			SessionKeys::decode_into_raw_public_keys(&encoded)
+		}
+	}
+
+	impl frame_system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Nonce> for Runtime {
+		fn account_nonce(account: AccountId) -> Nonce {
+			System::account_nonce(account)
+		}
+	}
+
+	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentApi<Block, Balance> for Runtime {
+		fn query_info(
+			uxt: <Block as BlockT>::Extrinsic,
+			len: u32,
+		) -> pallet_transaction_payment_rpc_runtime_api::RuntimeDispatchInfo<Balance> {
+			TransactionPayment::query_info(uxt, len)
+		}
+		fn query_fee_details(
+			uxt: <Block as BlockT>::Extrinsic,
+			len: u32,
+		) -> pallet_transaction_payment::FeeDetails<Balance> {
+			TransactionPayment::query_fee_details(uxt, len)
+		}
+		fn query_weight_to_fee(weight: Weight) -> Balance {
+			TransactionPayment::weight_to_fee(weight)
+		}
+		fn query_length_to_fee(length: u32) -> Balance {
+			TransactionPayment::length_to_fee(length)
+		}
+	}
+
+	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentCallApi<Block, Balance, RuntimeCall>
+		for Runtime
+	{
+		fn query_call_info(
+			call: RuntimeCall,
+			len: u32,
+		) -> pallet_transaction_payment::RuntimeDispatchInfo<Balance> {
+			TransactionPayment::query_call_info(call, len)
+		}
+		fn query_call_fee_details(
+			call: RuntimeCall,
+			len: u32,
+		) -> pallet_transaction_payment::FeeDetails<Balance> {
+			TransactionPayment::query_call_fee_details(call, len)
+		}
+		fn query_weight_to_fee(weight: Weight) -> Balance {
+			TransactionPayment::weight_to_fee(weight)
+		}
+		fn query_length_to_fee(length: u32) -> Balance {
+			TransactionPayment::length_to_fee(length)
+		}
+	}
+
+	impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {
+		fn collect_collation_info(header: &<Block as BlockT>::Header) -> cumulus_primitives_core::CollationInfo {
+			ParachainSystem::collect_collation_info(header)
+		}
+	}
+
+	#[cfg(feature = "try-runtime")]
+	impl frame_try_runtime::TryRuntime<Block> for Runtime {
+		fn on_runtime_upgrade(checks: frame_try_runtime::UpgradeCheckSelect) -> (Weight, Weight) {
+			let weight = Executive::try_runtime_upgrade(checks).unwrap();
+			(weight, RuntimeBlockWeights::get().max_block)
+		}
+
+		fn execute_block(
+			block: Block,
+			state_root_check: bool,
+			signature_check: bool,
+			select: frame_try_runtime::TryStateSelect,
+		) -> Weight {
+			// NOTE: intentional unwrap: we don't want to propagate the error backwards, and want to
+			// have a backtrace here.
+			Executive::try_execute_block(block, state_root_check, signature_check, select).unwrap()
+		}
+	}
+
+	#[cfg(feature = "runtime-benchmarks")]
+	impl frame_benchmarking::Benchmark<Block> for Runtime {
+		fn benchmark_metadata(extra: bool) -> (
+			Vec<frame_benchmarking::BenchmarkList>,
+			Vec<frame_support::traits::StorageInfo>,
+		) {
+			use frame_benchmarking::{Benchmarking, BenchmarkList};
+			use frame_support::traits::StorageInfoTrait;
+			use frame_system_benchmarking::Pallet as SystemBench;
+			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
+
+			let mut list = Vec::<BenchmarkList>::new();
+			list_benchmarks!(list, extra);
+
+			let storage_info = AllPalletsWithSystem::storage_info();
+			(list, storage_info)
+		}
+
+		fn dispatch_benchmark(
+			config: frame_benchmarking::BenchmarkConfig
+		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
+			use frame_benchmarking::{BenchmarkError, Benchmarking, BenchmarkBatch};
+
+			use frame_system_benchmarking::Pallet as SystemBench;
+			impl frame_system_benchmarking::Config for Runtime {
+				fn setup_set_code_requirements(code: &sp_std::vec::Vec<u8>) -> Result<(), BenchmarkError> {
+					ParachainSystem::initialize_for_set_code_benchmark(code.len() as u32);
+					Ok(())
+				}
+
+				fn verify_set_code() {
+					System::assert_last_event(cumulus_pallet_parachain_system::Event::<Runtime>::ValidationFunctionStored.into());
+				}
+			}
+
+			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
+			impl cumulus_pallet_session_benchmarking::Config for Runtime {}
+
+			use frame_support::traits::WhitelistedStorageKeys;
+			let whitelist = AllPalletsWithSystem::whitelisted_storage_keys();
+
+			let mut batches = Vec::<BenchmarkBatch>::new();
+			let params = (&config, &whitelist);
+			add_benchmarks!(params, batches);
+
+			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
+			Ok(batches)
+		}
+	}
+
+	impl sp_genesis_builder::GenesisBuilder<Block> for Runtime {
+		fn create_default_config() -> Vec<u8> {
+			create_default_config::<RuntimeGenesisConfig>()
+		}
+
+		fn build_config(config: Vec<u8>) -> sp_genesis_builder::Result {
+			build_config::<RuntimeGenesisConfig>(config)
+		}
+	}
+}
+
+cumulus_pallet_parachain_system::register_validate_block! {
+	Runtime = Runtime,
+	BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
+}

runtime/src/weights/block_weights.rs

@@ -0,0 +1,53 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub mod constants {
+	use frame_support::{
+		parameter_types,
+		weights::{constants, Weight},
+	};
+
+	parameter_types! {
+		/// Importing a block with 0 Extrinsics.
+		pub const BlockExecutionWeight: Weight =
+			Weight::from_parts(constants::WEIGHT_REF_TIME_PER_NANOS.saturating_mul(5_000_000), 0);
+	}
+
+	#[cfg(test)]
+	mod test_weights {
+		use frame_support::weights::constants;
+
+		/// Checks that the weight exists and is sane.
+		// NOTE: If this test fails but you are sure that the generated values are fine,
+		// you can delete it.
+		#[test]
+		fn sane() {
+			let w = super::constants::BlockExecutionWeight::get();
+
+			// At least 100 µs.
+			assert!(
+				w.ref_time() >= 100u64 * constants::WEIGHT_REF_TIME_PER_MICROS,
+				"Weight should be at least 100 µs."
+			);
+			// At most 50 ms.
+			assert!(
+				w.ref_time() <= 50u64 * constants::WEIGHT_REF_TIME_PER_MILLIS,
+				"Weight should be at most 50 ms."
+			);
+		}
+	}
+}

runtime/src/weights/extrinsic_weights.rs

@@ -0,0 +1,53 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub mod constants {
+	use frame_support::{
+		parameter_types,
+		weights::{constants, Weight},
+	};
+
+	parameter_types! {
+		/// Executing a NO-OP `System::remarks` Extrinsic.
+		pub const ExtrinsicBaseWeight: Weight =
+			Weight::from_parts(constants::WEIGHT_REF_TIME_PER_NANOS.saturating_mul(125_000), 0);
+	}
+
+	#[cfg(test)]
+	mod test_weights {
+		use frame_support::weights::constants;
+
+		/// Checks that the weight exists and is sane.
+		// NOTE: If this test fails but you are sure that the generated values are fine,
+		// you can delete it.
+		#[test]
+		fn sane() {
+			let w = super::constants::ExtrinsicBaseWeight::get();
+
+			// At least 10 µs.
+			assert!(
+				w.ref_time() >= 10u64 * constants::WEIGHT_REF_TIME_PER_MICROS,
+				"Weight should be at least 10 µs."
+			);
+			// At most 1 ms.
+			assert!(
+				w.ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
+				"Weight should be at most 1 ms."
+			);
+		}
+	}
+}

runtime/src/weights/mod.rs

@@ -0,0 +1,27 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Expose the auto generated weight files.
+
+pub mod block_weights;
+pub mod extrinsic_weights;
+pub mod paritydb_weights;
+pub mod rocksdb_weights;
+
+pub use block_weights::constants::BlockExecutionWeight;
+pub use extrinsic_weights::constants::ExtrinsicBaseWeight;
+pub use rocksdb_weights::constants::RocksDbWeight;

runtime/src/weights/paritydb_weights.rs

@@ -0,0 +1,63 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub mod constants {
+	use frame_support::{
+		parameter_types,
+		weights::{constants, RuntimeDbWeight},
+	};
+
+	parameter_types! {
+		/// `ParityDB` can be enabled with a feature flag, but is still experimental. These weights
+		/// are available for brave runtime engineers who may want to try this out as default.
+		pub const ParityDbWeight: RuntimeDbWeight = RuntimeDbWeight {
+			read: 8_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
+			write: 50_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
+		};
+	}
+
+	#[cfg(test)]
+	mod test_db_weights {
+		use super::constants::ParityDbWeight as W;
+		use frame_support::weights::constants;
+
+		/// Checks that all weights exist and have sane values.
+		// NOTE: If this test fails but you are sure that the generated values are fine,
+		// you can delete it.
+		#[test]
+		fn sane() {
+			// At least 1 µs.
+			assert!(
+				W::get().reads(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
+				"Read weight should be at least 1 µs."
+			);
+			assert!(
+				W::get().writes(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
+				"Write weight should be at least 1 µs."
+			);
+			// At most 1 ms.
+			assert!(
+				W::get().reads(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
+				"Read weight should be at most 1 ms."
+			);
+			assert!(
+				W::get().writes(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
+				"Write weight should be at most 1 ms."
+			);
+		}
+	}
+}

runtime/src/weights/rocksdb_weights.rs

@@ -0,0 +1,63 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pub mod constants {
+	use frame_support::{
+		parameter_types,
+		weights::{constants, RuntimeDbWeight},
+	};
+
+	parameter_types! {
+		/// By default, Substrate uses `RocksDB`, so this will be the weight used throughout
+		/// the runtime.
+		pub const RocksDbWeight: RuntimeDbWeight = RuntimeDbWeight {
+			read: 25_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
+			write: 100_000 * constants::WEIGHT_REF_TIME_PER_NANOS,
+		};
+	}
+
+	#[cfg(test)]
+	mod test_db_weights {
+		use super::constants::RocksDbWeight as W;
+		use frame_support::weights::constants;
+
+		/// Checks that all weights exist and have sane values.
+		// NOTE: If this test fails but you are sure that the generated values are fine,
+		// you can delete it.
+		#[test]
+		fn sane() {
+			// At least 1 µs.
+			assert!(
+				W::get().reads(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
+				"Read weight should be at least 1 µs."
+			);
+			assert!(
+				W::get().writes(1).ref_time() >= constants::WEIGHT_REF_TIME_PER_MICROS,
+				"Write weight should be at least 1 µs."
+			);
+			// At most 1 ms.
+			assert!(
+				W::get().reads(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
+				"Read weight should be at most 1 ms."
+			);
+			assert!(
+				W::get().writes(1).ref_time() <= constants::WEIGHT_REF_TIME_PER_MILLIS,
+				"Write weight should be at most 1 ms."
+			);
+		}
+	}
+}

runtime/src/xcm_config.rs

@@ -0,0 +1,193 @@
+use super::{
+	AccountId, AllPalletsWithSystem, Balances, ParachainInfo, ParachainSystem, PolkadotXcm,
+	Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin, WeightToFee, XcmpQueue,
+};
+use frame_support::{
+	match_types, parameter_types,
+	traits::{ConstU32, Everything, Nothing},
+	weights::Weight,
+};
+use frame_system::EnsureRoot;
+use pallet_xcm::XcmPassthrough;
+use polkadot_parachain_primitives::primitives::Sibling;
+use polkadot_runtime_common::impls::ToAuthor;
+use xcm::latest::prelude::*;
+use xcm_builder::{
+	AccountId32Aliases, AllowExplicitUnpaidExecutionFrom, AllowTopLevelPaidExecutionFrom,
+	CurrencyAdapter, DenyReserveTransferToRelayChain, DenyThenTry, EnsureXcmOrigin,
+	FixedWeightBounds, IsConcrete, NativeAsset, ParentIsPreset, RelayChainAsNative,
+	SiblingParachainAsNative, SiblingParachainConvertsVia, SignedAccountId32AsNative,
+	SignedToAccountId32, SovereignSignedViaLocation, TakeWeightCredit, TrailingSetTopicAsId,
+	UsingComponents, WithComputedOrigin, WithUniqueTopic,
+};
+use xcm_executor::XcmExecutor;
+
+parameter_types! {
+	pub const RelayLocation: MultiLocation = MultiLocation::parent();
+	pub const RelayNetwork: Option<NetworkId> = None;
+	pub RelayChainOrigin: RuntimeOrigin = cumulus_pallet_xcm::Origin::Relay.into();
+	pub UniversalLocation: InteriorMultiLocation = Parachain(ParachainInfo::parachain_id().into()).into();
+}
+
+/// Type for specifying how a `MultiLocation` can be converted into an `AccountId`. This is used
+/// when determining ownership of accounts for asset transacting and when attempting to use XCM
+/// `Transact` in order to determine the dispatch Origin.
+pub type LocationToAccountId = (
+	// The parent (Relay-chain) origin converts to the parent `AccountId`.
+	ParentIsPreset<AccountId>,
+	// Sibling parachain origins convert to AccountId via the `ParaId::into`.
+	SiblingParachainConvertsVia<Sibling, AccountId>,
+	// Straight up local `AccountId32` origins just alias directly to `AccountId`.
+	AccountId32Aliases<RelayNetwork, AccountId>,
+);
+
+/// Means for transacting assets on this chain.
+pub type LocalAssetTransactor = CurrencyAdapter<
+	// Use this currency:
+	Balances,
+	// Use this currency when it is a fungible asset matching the given location or name:
+	IsConcrete<RelayLocation>,
+	// Do a simple punn to convert an AccountId32 MultiLocation into a native chain account ID:
+	LocationToAccountId,
+	// Our chain's account ID type (we can't get away without mentioning it explicitly):
+	AccountId,
+	// We don't track any teleports.
+	(),
+>;
+
+/// This is the type we use to convert an (incoming) XCM origin into a local `Origin` instance,
+/// ready for dispatching a transaction with Xcm's `Transact`. There is an `OriginKind` which can
+/// biases the kind of local `Origin` it will become.
+pub type XcmOriginToTransactDispatchOrigin = (
+	// Sovereign account converter; this attempts to derive an `AccountId` from the origin location
+	// using `LocationToAccountId` and then turn that into the usual `Signed` origin. Useful for
+	// foreign chains who want to have a local sovereign account on this chain which they control.
+	SovereignSignedViaLocation<LocationToAccountId, RuntimeOrigin>,
+	// Native converter for Relay-chain (Parent) location; will convert to a `Relay` origin when
+	// recognized.
+	RelayChainAsNative<RelayChainOrigin, RuntimeOrigin>,
+	// Native converter for sibling Parachains; will convert to a `SiblingPara` origin when
+	// recognized.
+	SiblingParachainAsNative<cumulus_pallet_xcm::Origin, RuntimeOrigin>,
+	// Native signed account converter; this just converts an `AccountId32` origin into a normal
+	// `RuntimeOrigin::Signed` origin of the same 32-byte value.
+	SignedAccountId32AsNative<RelayNetwork, RuntimeOrigin>,
+	// Xcm origins can be represented natively under the Xcm pallet's Xcm origin.
+	XcmPassthrough<RuntimeOrigin>,
+);
+
+parameter_types! {
+	// One XCM operation is 1_000_000_000 weight - almost certainly a conservative estimate.
+	pub UnitWeightCost: Weight = Weight::from_parts(1_000_000_000, 64 * 1024);
+	pub const MaxInstructions: u32 = 100;
+	pub const MaxAssetsIntoHolding: u32 = 64;
+}
+
+match_types! {
+	pub type ParentOrParentsExecutivePlurality: impl Contains<MultiLocation> = {
+		MultiLocation { parents: 1, interior: Here } |
+		MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Executive, .. }) }
+	};
+}
+
+pub type Barrier = TrailingSetTopicAsId<
+	DenyThenTry<
+		DenyReserveTransferToRelayChain,
+		(
+			TakeWeightCredit,
+			WithComputedOrigin<
+				(
+					AllowTopLevelPaidExecutionFrom<Everything>,
+					AllowExplicitUnpaidExecutionFrom<ParentOrParentsExecutivePlurality>,
+					// ^^^ Parent and its exec plurality get free execution
+				),
+				UniversalLocation,
+				ConstU32<8>,
+			>,
+		),
+	>,
+>;
+
+pub struct XcmConfig;
+impl xcm_executor::Config for XcmConfig {
+	type RuntimeCall = RuntimeCall;
+	type XcmSender = XcmRouter;
+	// How to withdraw and deposit an asset.
+	type AssetTransactor = LocalAssetTransactor;
+	type OriginConverter = XcmOriginToTransactDispatchOrigin;
+	type IsReserve = NativeAsset;
+	type IsTeleporter = (); // Teleporting is disabled.
+	type UniversalLocation = UniversalLocation;
+	type Barrier = Barrier;
+	type Weigher = FixedWeightBounds<UnitWeightCost, RuntimeCall, MaxInstructions>;
+	type Trader =
+		UsingComponents<WeightToFee, RelayLocation, AccountId, Balances, ToAuthor<Runtime>>;
+	type ResponseHandler = PolkadotXcm;
+	type AssetTrap = PolkadotXcm;
+	type AssetClaims = PolkadotXcm;
+	type SubscriptionService = PolkadotXcm;
+	type PalletInstancesInfo = AllPalletsWithSystem;
+	type MaxAssetsIntoHolding = MaxAssetsIntoHolding;
+	type AssetLocker = ();
+	type AssetExchanger = ();
+	type FeeManager = ();
+	type MessageExporter = ();
+	type UniversalAliases = Nothing;
+	type CallDispatcher = RuntimeCall;
+	type SafeCallFilter = Everything;
+	type Aliasers = Nothing;
+}
+
+/// No local origins on this chain are allowed to dispatch XCM sends/executions.
+pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, RelayNetwork>;
+
+/// The means for routing XCM messages which are not for local execution into the right message
+/// queues.
+pub type XcmRouter = WithUniqueTopic<(
+	// Two routers - use UMP to communicate with the relay chain:
+	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, (), ()>,
+	// ..and XCMP to communicate with the sibling chains.
+	XcmpQueue,
+)>;
+
+#[cfg(feature = "runtime-benchmarks")]
+parameter_types! {
+	pub ReachableDest: Option<MultiLocation> = Some(Parent.into());
+}
+
+impl pallet_xcm::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type SendXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
+	type XcmRouter = XcmRouter;
+	type ExecuteXcmOrigin = EnsureXcmOrigin<RuntimeOrigin, LocalOriginToLocation>;
+	type XcmExecuteFilter = Nothing;
+	// ^ Disable dispatchable execute on the XCM pallet.
+	// Needs to be `Everything` for local testing.
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type XcmTeleportFilter = Everything;
+	type XcmReserveTransferFilter = Nothing;
+	type Weigher = FixedWeightBounds<UnitWeightCost, RuntimeCall, MaxInstructions>;
+	type UniversalLocation = UniversalLocation;
+	type RuntimeOrigin = RuntimeOrigin;
+	type RuntimeCall = RuntimeCall;
+
+	const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;
+	// ^ Override for AdvertisedXcmVersion default
+	type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;
+	type Currency = Balances;
+	type CurrencyMatcher = ();
+	type TrustedLockers = ();
+	type SovereignAccountOf = LocationToAccountId;
+	type MaxLockers = ConstU32<8>;
+	type WeightInfo = pallet_xcm::TestWeightInfo;
+	#[cfg(feature = "runtime-benchmarks")]
+	type ReachableDest = ReachableDest;
+	type AdminOrigin = EnsureRoot<AccountId>;
+	type MaxRemoteLockConsumers = ConstU32<0>;
+	type RemoteLockConsumerIdentifier = ();
+}
+
+impl cumulus_pallet_xcm::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+}