Add Parachain Template (#620)

* Add Canvas node as Parachain template * Remove `pallet-contracts` * Point to local Cumulus dependency * Use double quotes instead of single quotes * Get rid of GPL licensing * Remove references to Canvas * Get rid of warnings * Remove GLP-3 License copy-pasta file * Copy in README from `substrate-parachain-template` * Add mention of `polkadot-launch` tool * Add missing screenshot asset * Remove Canvas hidden files and scripts * Rename `template` to `parachain-template` * Remove a few more Canvas references * Add `pallet-template` * Get `pallet-template` compiling * Remove TODOs about Weights * Sort some dependencies * Remove contracts specific const * Change binary name back to `parachain-collator` * RustFmt * Fix mock tests * Purge sneaky whitespace * Add template pallet index to runtime Co-authored-by: Ricardo Rius <9488369+riusricardo@users.noreply.github.com> * Add force authoring to collator `polkadot-launch` config Co-authored-by: Ricardo Rius <9488369+riusricardo@users.noreply.github.com> * Refer README readers to `substrate-parachain-template` * Remove license header in `build.rs` Co-authored-by: Michael Müller <michi@parity.io> * Fix punctuation nitpick Co-authored-by: Michael Müller <michi@parity.io> * Remove unused `lib.rs` file * Add note about Rococo network Co-authored-by: Ricardo Rius <9488369+riusricardo@users.noreply.github.com> Co-authored-by: Michael Müller <michi@parity.io>
2026-04-23 06:08:01 +00:00 · 2021-09-23 13:47:47 -04:00
parent 1aab3349cc
commit 391d2f5241
22 changed files with 2863 additions and 3 deletions
@@ -0,0 +1,845 @@
+#![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"));
+
+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, match_type, parameter_types,
+	traits::Everything,
+	weights::{
+		constants::{BlockExecutionWeight, ExtrinsicBaseWeight, WEIGHT_PER_SECOND},
+		DispatchClass, IdentityFee, Weight, WeightToFeeCoefficient, WeightToFeeCoefficients,
+		WeightToFeePolynomial,
+	},
+	PalletId,
+};
+use frame_system::{
+	limits::{BlockLength, BlockWeights},
+	EnsureOneOf, EnsureRoot,
+};
+pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
+pub use sp_runtime::{MultiAddress, Perbill, Permill};
+
+#[cfg(any(feature = "std", test))]
+pub use sp_runtime::BuildStorage;
+
+// Polkadot Imports
+use pallet_xcm::{EnsureXcm, IsMajorityOfBody, XcmPassthrough};
+use polkadot_parachain::primitives::Sibling;
+use polkadot_runtime_common::{BlockHashCount, RocksDbWeight, SlowAdjustingFeeUpdate};
+
+// XCM Imports
+use xcm::latest::prelude::*;
+use xcm_builder::{
+	AccountId32Aliases, AllowTopLevelPaidExecutionFrom, AllowUnpaidExecutionFrom, CurrencyAdapter,
+	EnsureXcmOrigin, FixedWeightBounds, IsConcrete, LocationInverter, NativeAsset,
+	ParentAsSuperuser, ParentIsDefault, RelayChainAsNative, SiblingParachainAsNative,
+	SiblingParachainConvertsVia, SignedAccountId32AsNative, SignedToAccountId32,
+	SovereignSignedViaLocation, TakeWeightCredit, UsingComponents,
+};
+use xcm_executor::{Config, XcmExecutor};
+
+/// Import the template pallet.
+pub use pallet_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 Index = 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::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, Call, Signature, SignedExtra>;
+
+/// Extrinsic type that has already been checked.
+pub type CheckedExtrinsic = generic::CheckedExtrinsic<AccountId, Call, SignedExtra>;
+
+/// Executive: handles dispatch to the various modules.
+pub type Executive = frame_executive::Executive<
+	Runtime,
+	Block,
+	frame_system::ChainContext<Runtime>,
+	Runtime,
+	AllPallets,
+	OnRuntimeUpgrade,
+>;
+
+pub struct OnRuntimeUpgrade;
+impl frame_support::traits::OnRuntimeUpgrade for OnRuntimeUpgrade {
+	fn on_runtime_upgrade() -> u64 {
+		frame_support::migrations::migrate_from_pallet_version_to_storage_version::<
+			AllPalletsWithSystem,
+		>(&RocksDbWeight::get())
+	}
+}
+
+/// 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());
+		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};
+
+	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>;
+}
+
+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,
+};
+
+/// 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 Rococo Relay Chain.
+pub const EXISTENTIAL_DEPOSIT: Balance = MILLIUNIT;
+
+// 1 in 4 blocks (on average, not counting collisions) will be primary babe blocks.
+pub const PRIMARY_PROBABILITY: (u64, u64) = (1, 4);
+
+/// 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_PER_SECOND / 2;
+
+/// 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 Call = Call;
+	/// 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 Index = Index;
+	/// The index type for blocks.
+	type BlockNumber = BlockNumber;
+	/// The type for hashing blocks and tries.
+	type Hash = Hash;
+	/// The hashing algorithm used.
+	type Hashing = BlakeTwo256;
+	/// The header type.
+	type Header = generic::Header<BlockNumber, BlakeTwo256>;
+	/// The ubiquitous event type.
+	type Event = Event;
+	/// The ubiquitous origin type.
+	type Origin = Origin;
+	/// 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>;
+}
+
+parameter_types! {
+	pub const MinimumPeriod: u64 = SLOT_DURATION / 2;
+}
+
+impl pallet_timestamp::Config for Runtime {
+	/// A timestamp: milliseconds since the unix epoch.
+	type Moment = u64;
+	type OnTimestampSet = ();
+	type MinimumPeriod = MinimumPeriod;
+	type WeightInfo = ();
+}
+
+parameter_types! {
+	pub const UncleGenerations: u32 = 0;
+}
+
+impl pallet_authorship::Config for Runtime {
+	type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Aura>;
+	type UncleGenerations = UncleGenerations;
+	type FilterUncle = ();
+	type EventHandler = (CollatorSelection,);
+}
+
+parameter_types! {
+	pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
+	pub const MaxLocks: u32 = 50;
+	pub const MaxReserves: u32 = 50;
+}
+
+impl pallet_balances::Config for Runtime {
+	type MaxLocks = MaxLocks;
+	/// The type for recording an account's balance.
+	type Balance = Balance;
+	/// The ubiquitous event type.
+	type Event = Event;
+	type DustRemoval = ();
+	type ExistentialDeposit = ExistentialDeposit;
+	type AccountStore = System;
+	type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
+	type MaxReserves = MaxReserves;
+	type ReserveIdentifier = [u8; 8];
+}
+
+parameter_types! {
+	/// Relay Chain `TransactionByteFee` / 10
+	pub const TransactionByteFee: Balance = 10 * MICROUNIT;
+}
+
+impl pallet_transaction_payment::Config for Runtime {
+	type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
+	type TransactionByteFee = TransactionByteFee;
+	type WeightToFee = WeightToFee;
+	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
+}
+
+parameter_types! {
+	pub const ReservedXcmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT / 4;
+	pub const ReservedDmpWeight: Weight = MAXIMUM_BLOCK_WEIGHT / 4;
+}
+
+impl cumulus_pallet_parachain_system::Config for Runtime {
+	type Event = Event;
+	type OnValidationData = ();
+	type SelfParaId = parachain_info::Pallet<Runtime>;
+	type DmpMessageHandler = DmpQueue;
+	type ReservedDmpWeight = ReservedDmpWeight;
+	type OutboundXcmpMessageSource = XcmpQueue;
+	type XcmpMessageHandler = XcmpQueue;
+	type ReservedXcmpWeight = ReservedXcmpWeight;
+}
+
+impl pallet_randomness_collective_flip::Config for Runtime {}
+
+impl parachain_info::Config for Runtime {}
+
+impl cumulus_pallet_aura_ext::Config for Runtime {}
+
+parameter_types! {
+	pub const RocLocation: MultiLocation = MultiLocation::parent();
+	pub const RelayNetwork: NetworkId = NetworkId::Any;
+	pub RelayChainOrigin: Origin = cumulus_pallet_xcm::Origin::Relay.into();
+	pub Ancestry: MultiLocation = 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 default `AccountId`.
+	ParentIsDefault<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<RocLocation>,
+	// 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, Origin>,
+	// Native converter for Relay-chain (Parent) location; will converts to a `Relay` origin when
+	// recognised.
+	RelayChainAsNative<RelayChainOrigin, Origin>,
+	// Native converter for sibling Parachains; will convert to a `SiblingPara` origin when
+	// recognised.
+	SiblingParachainAsNative<cumulus_pallet_xcm::Origin, Origin>,
+	// Superuser converter for the Relay-chain (Parent) location. This will allow it to issue a
+	// transaction from the Root origin.
+	ParentAsSuperuser<Origin>,
+	// Native signed account converter; this just converts an `AccountId32` origin into a normal
+	// `Origin::Signed` origin of the same 32-byte value.
+	SignedAccountId32AsNative<RelayNetwork, Origin>,
+	// Xcm origins can be represented natively under the Xcm pallet's Xcm origin.
+	XcmPassthrough<Origin>,
+);
+
+parameter_types! {
+	// One XCM operation is 1_000_000_000 weight - almost certainly a conservative estimate.
+	pub UnitWeightCost: Weight = 1_000_000_000;
+	pub const MaxInstructions: u32 = 100;
+}
+
+match_type! {
+	pub type ParentOrParentsExecutivePlurality: impl Contains<MultiLocation> = {
+		MultiLocation { parents: 1, interior: Here } |
+		MultiLocation { parents: 1, interior: X1(Plurality { id: BodyId::Executive, .. }) }
+	};
+}
+
+pub type Barrier = (
+	TakeWeightCredit,
+	AllowTopLevelPaidExecutionFrom<Everything>,
+	AllowUnpaidExecutionFrom<ParentOrParentsExecutivePlurality>,
+	// ^^^ Parent and its exec plurality get free execution
+);
+
+pub struct XcmConfig;
+impl Config for XcmConfig {
+	type Call = Call;
+	type XcmSender = XcmRouter;
+	// How to withdraw and deposit an asset.
+	type AssetTransactor = LocalAssetTransactor;
+	type OriginConverter = XcmOriginToTransactDispatchOrigin;
+	type IsReserve = NativeAsset;
+	type IsTeleporter = NativeAsset; // Should be enough to allow teleportation of ROC
+	type LocationInverter = LocationInverter<Ancestry>;
+	type Barrier = Barrier;
+	type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
+	type Trader = UsingComponents<IdentityFee<Balance>, RocLocation, AccountId, Balances, ()>;
+	type ResponseHandler = PolkadotXcm;
+	type AssetTrap = PolkadotXcm;
+	type AssetClaims = PolkadotXcm;
+	type SubscriptionService = PolkadotXcm;
+}
+
+parameter_types! {
+	pub const MaxDownwardMessageWeight: Weight = MAXIMUM_BLOCK_WEIGHT / 10;
+}
+
+/// No local origins on this chain are allowed to dispatch XCM sends/executions.
+pub type LocalOriginToLocation = SignedToAccountId32<Origin, AccountId, RelayNetwork>;
+
+/// The means for routing XCM messages which are not for local execution into the right message
+/// queues.
+pub type XcmRouter = (
+	// Two routers - use UMP to communicate with the relay chain:
+	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, ()>,
+	// ..and XCMP to communicate with the sibling chains.
+	XcmpQueue,
+);
+
+impl pallet_xcm::Config for Runtime {
+	type Event = Event;
+	type SendXcmOrigin = EnsureXcmOrigin<Origin, LocalOriginToLocation>;
+	type XcmRouter = XcmRouter;
+	type ExecuteXcmOrigin = EnsureXcmOrigin<Origin, LocalOriginToLocation>;
+	type XcmExecuteFilter = Everything;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type XcmTeleportFilter = Everything;
+	type XcmReserveTransferFilter = Everything;
+	type Weigher = FixedWeightBounds<UnitWeightCost, Call, MaxInstructions>;
+	type LocationInverter = LocationInverter<Ancestry>;
+	type Origin = Origin;
+	type Call = Call;
+
+	const VERSION_DISCOVERY_QUEUE_SIZE: u32 = 100;
+	type AdvertisedXcmVersion = pallet_xcm::CurrentXcmVersion;
+}
+
+impl cumulus_pallet_xcm::Config for Runtime {
+	type Event = Event;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+}
+
+impl cumulus_pallet_xcmp_queue::Config for Runtime {
+	type Event = Event;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ChannelInfo = ParachainSystem;
+	type VersionWrapper = ();
+}
+
+impl cumulus_pallet_dmp_queue::Config for Runtime {
+	type Event = Event;
+	type XcmExecutor = XcmExecutor<XcmConfig>;
+	type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
+}
+
+parameter_types! {
+	pub const DisabledValidatorsThreshold: Perbill = Perbill::from_percent(33);
+	pub const Period: u32 = 6 * HOURS;
+	pub const Offset: u32 = 0;
+	pub const MaxAuthorities: u32 = 100_000;
+}
+
+impl pallet_session::Config for Runtime {
+	type Event = Event;
+	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 lets be pedantic.
+	type SessionHandler = <SessionKeys as sp_runtime::traits::OpaqueKeys>::KeyTypeIdProviders;
+	type Keys = SessionKeys;
+	type DisabledValidatorsThreshold = DisabledValidatorsThreshold;
+	type WeightInfo = ();
+}
+
+impl pallet_aura::Config for Runtime {
+	type AuthorityId = AuraId;
+	type DisabledValidators = ();
+	type MaxAuthorities = MaxAuthorities;
+}
+
+parameter_types! {
+	pub const PotId: PalletId = PalletId(*b"PotStake");
+	pub const MaxCandidates: u32 = 1000;
+	pub const MinCandidates: u32 = 5;
+	pub const SessionLength: BlockNumber = 6 * HOURS;
+	pub const MaxInvulnerables: u32 = 100;
+	pub const ExecutiveBody: BodyId = BodyId::Executive;
+}
+
+// We allow root and the Relay Chain council to execute privileged collator selection operations.
+pub type CollatorSelectionUpdateOrigin = EnsureOneOf<
+	AccountId,
+	EnsureRoot<AccountId>,
+	EnsureXcm<IsMajorityOfBody<RocLocation, ExecutiveBody>>,
+>;
+
+impl pallet_collator_selection::Config for Runtime {
+	type Event = Event;
+	type Currency = Balances;
+	type UpdateOrigin = CollatorSelectionUpdateOrigin;
+	type PotId = PotId;
+	type MaxCandidates = MaxCandidates;
+	type MinCandidates = MinCandidates;
+	type MaxInvulnerables = MaxInvulnerables;
+	// 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_template::Config for Runtime {
+	type Event = Event;
+}
+
+// Create the runtime by composing the FRAME pallets that were previously configured.
+construct_runtime!(
+	pub enum Runtime where
+		Block = Block,
+		NodeBlock = opaque::Block,
+		UncheckedExtrinsic = UncheckedExtrinsic,
+	{
+		// System support stuff.
+		System: frame_system::{Pallet, Call, Config, Storage, Event<T>} = 0,
+		ParachainSystem: cumulus_pallet_parachain_system::{
+			Pallet, Call, Config, Storage, Inherent, Event<T>, ValidateUnsigned,
+		} = 1,
+		RandomnessCollectiveFlip: pallet_randomness_collective_flip::{Pallet, Storage} = 2,
+		Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent} = 3,
+		ParachainInfo: parachain_info::{Pallet, Storage, Config} = 4,
+
+		// Monetary stuff.
+		Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>} = 10,
+		TransactionPayment: pallet_transaction_payment::{Pallet, Storage} = 11,
+
+		// Collator support. The order of these 4 are important and shall not change.
+		Authorship: pallet_authorship::{Pallet, Call, Storage} = 20,
+		CollatorSelection: pallet_collator_selection::{Pallet, Call, Storage, Event<T>, Config<T>} = 21,
+		Session: pallet_session::{Pallet, Call, Storage, Event, Config<T>} = 22,
+		Aura: pallet_aura::{Pallet, Storage, Config<T>} = 23,
+		AuraExt: cumulus_pallet_aura_ext::{Pallet, Storage, Config} = 24,
+
+		// XCM helpers.
+		XcmpQueue: cumulus_pallet_xcmp_queue::{Pallet, Call, Storage, Event<T>} = 30,
+		PolkadotXcm: pallet_xcm::{Pallet, Call, Event<T>, Origin} = 31,
+		CumulusXcm: cumulus_pallet_xcm::{Pallet, Event<T>, Origin} = 32,
+		DmpQueue: cumulus_pallet_dmp_queue::{Pallet, Call, Storage, Event<T>} = 33,
+
+		// Template
+		TemplatePallet: pallet_template::{Pallet, Call, Storage, Event<T>}  = 40,
+	}
+);
+
+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())
+		}
+	}
+
+	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, Index> for Runtime {
+		fn account_nonce(account: AccountId) -> Index {
+			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)
+		}
+	}
+
+	impl cumulus_primitives_core::CollectCollationInfo<Block> for Runtime {
+		fn collect_collation_info() -> cumulus_primitives_core::CollationInfo {
+			ParachainSystem::collect_collation_info()
+		}
+	}
+
+
+	#[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::{list_benchmark, 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_benchmark!(list, extra, frame_system, SystemBench::<Runtime>);
+			list_benchmark!(list, extra, pallet_balances, Balances);
+			list_benchmark!(list, extra, pallet_timestamp, Timestamp);
+			list_benchmark!(list, extra, pallet_collator_selection, CollatorSelection);
+
+			let storage_info = AllPalletsWithSystem::storage_info();
+
+			return (list, storage_info)
+		}
+
+		fn dispatch_benchmark(
+			config: frame_benchmarking::BenchmarkConfig
+		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, sp_runtime::RuntimeString> {
+			use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark, TrackedStorageKey};
+
+			use frame_system_benchmarking::Pallet as SystemBench;
+			impl frame_system_benchmarking::Config for Runtime {}
+
+			use cumulus_pallet_session_benchmarking::Pallet as SessionBench;
+			impl cumulus_pallet_session_benchmarking::Config for Runtime {}
+
+			let whitelist: Vec<TrackedStorageKey> = vec![
+				// Block Number
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef702a5c1b19ab7a04f536c519aca4983ac").to_vec().into(),
+				// Total Issuance
+				hex_literal::hex!("c2261276cc9d1f8598ea4b6a74b15c2f57c875e4cff74148e4628f264b974c80").to_vec().into(),
+				// Execution Phase
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef7ff553b5a9862a516939d82b3d3d8661a").to_vec().into(),
+				// Event Count
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef70a98fdbe9ce6c55837576c60c7af3850").to_vec().into(),
+				// System Events
+				hex_literal::hex!("26aa394eea5630e07c48ae0c9558cef780d41e5e16056765bc8461851072c9d7").to_vec().into(),
+			];
+
+			let mut batches = Vec::<BenchmarkBatch>::new();
+			let params = (&config, &whitelist);
+
+			add_benchmark!(params, batches, frame_system, SystemBench::<Runtime>);
+			add_benchmark!(params, batches, pallet_balances, Balances);
+			add_benchmark!(params, batches, pallet_session, SessionBench::<Runtime>);
+			add_benchmark!(params, batches, pallet_timestamp, Timestamp);
+			add_benchmark!(params, batches, pallet_collator_selection, CollatorSelection);
+
+			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
+			Ok(batches)
+		}
+	}
+}
+
+struct CheckInherents;
+
+impl cumulus_pallet_parachain_system::CheckInherents<Block> for CheckInherents {
+	fn check_inherents(
+		block: &Block,
+		relay_state_proof: &cumulus_pallet_parachain_system::RelayChainStateProof,
+	) -> sp_inherents::CheckInherentsResult {
+		let relay_chain_slot = relay_state_proof
+			.read_slot()
+			.expect("Could not read the relay chain slot from the proof");
+
+		let inherent_data =
+			cumulus_primitives_timestamp::InherentDataProvider::from_relay_chain_slot_and_duration(
+				relay_chain_slot,
+				sp_std::time::Duration::from_secs(6),
+			)
+			.create_inherent_data()
+			.expect("Could not create the timestamp inherent data");
+
+		inherent_data.check_extrinsics(block)
+	}
+}
+
+cumulus_pallet_parachain_system::register_validate_block! {
+	Runtime = Runtime,
+	BlockExecutor = cumulus_pallet_aura_ext::BlockExecutor::<Runtime, Executive>,
+	CheckInherents = CheckInherents,
+}