pezkuwi-runtime-templates/runtime/src/lib.rs

#![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 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,
};
/// Import the template pallet.
pub use pallet_parachain_template;
use pallet_xcm::{EnsureXcm, IsVoiceOfBody};
use polkadot_runtime_common::xcm_sender::NoPriceForMessageDelivery;
// Polkadot imports
use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
use smallvec::smallvec;
use sp_api::impl_runtime_apis;
pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
#[cfg(any(feature = "std", test))]
pub use sp_runtime::BuildStorage;
use sp_runtime::{
    create_runtime_str, generic, impl_opaque_keys,
    traits::{AccountIdLookup, BlakeTwo256, Block as BlockT, IdentifyAccount, Verify},
    transaction_validity::{TransactionSource, TransactionValidity},
    ApplyExtrinsicResult, MultiSignature,
};
pub use sp_runtime::{MultiAddress, Perbill, Permill};
use sp_std::prelude::*;
#[cfg(feature = "std")]
use sp_version::NativeVersion;
use sp_version::RuntimeVersion;
use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
// XCM Imports
use xcm::latest::prelude::BodyId;
use xcm_config::{RelayLocation, XcmConfig, XcmOriginToTransactDispatchOrigin};
use xcm_executor::XcmExecutor;

/// 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 {
    pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
    use sp_runtime::{
        generic,
        traits::{BlakeTwo256, Hash as HashT},
    };

    use super::*;
    /// 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 data to be stored in an account.
    type AccountData = pallet_balances::AccountData<Balance>;
    /// The identifier used to distinguish between accounts.
    type AccountId = AccountId;
    /// The basic call filter to use in dispatchable.
    type BaseCallFilter = Everything;
    /// The block type.
    type Block = Block;
    /// Maximum number of block number to block hash mappings to keep (oldest
    /// pruned first).
    type BlockHashCount = BlockHashCount;
    /// The maximum length of a block (in bytes).
    type BlockLength = RuntimeBlockLength;
    /// Block & extrinsics weights: base values and limits.
    type BlockWeights = RuntimeBlockWeights;
    /// The weight of database operations that the runtime can invoke.
    type DbWeight = RocksDbWeight;
    /// The type for hashing blocks and tries.
    type Hash = Hash;
    /// The hashing algorithm used.
    type Hashing = BlakeTwo256;
    /// The lookup mechanism to get account ID from whatever is passed in
    /// dispatchers.
    type Lookup = AccountIdLookup<AccountId, ()>;
    type MaxConsumers = frame_support::traits::ConstU32<16>;
    /// The index type for storing how many extrinsics an account has signed.
    type Nonce = Nonce;
    /// What to do if an account is fully reaped from the system.
    type OnKilledAccount = ();
    /// What to do if a new account is created.
    type OnNewAccount = ();
    /// The action to take on a Runtime Upgrade
    type OnSetCode = cumulus_pallet_parachain_system::ParachainSetCode<Self>;
    /// Converts a module to an index of this module in the runtime.
    type PalletInfo = PalletInfo;
    /// The aggregated dispatch type that is available for extrinsics.
    type RuntimeCall = RuntimeCall;
    /// The ubiquitous event type.
    type RuntimeEvent = RuntimeEvent;
    /// The ubiquitous origin type.
    type RuntimeOrigin = RuntimeOrigin;
    /// This is used as an identifier of the chain. 42 is the generic substrate
    /// prefix.
    type SS58Prefix = SS58Prefix;
    /// Weight information for the extrinsics of this pallet.
    type SystemWeightInfo = ();
    /// Runtime version.
    type Version = Version;
}

impl pallet_timestamp::Config for Runtime {
    type MinimumPeriod = ConstU64<{ SLOT_DURATION / 2 }>;
    /// A timestamp: milliseconds since the unix epoch.
    type Moment = u64;
    type OnTimestampSet = Aura;
    type WeightInfo = ();
}

impl pallet_authorship::Config for Runtime {
    type EventHandler = (CollatorSelection,);
    type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Aura>;
}

parameter_types! {
    pub const ExistentialDeposit: Balance = EXISTENTIAL_DEPOSIT;
}

impl pallet_balances::Config for Runtime {
    type AccountStore = System;
    /// The type for recording an account's balance.
    type Balance = Balance;
    type DustRemoval = ();
    type ExistentialDeposit = ExistentialDeposit;
    type FreezeIdentifier = ();
    type MaxFreezes = ConstU32<0>;
    type MaxHolds = ConstU32<0>;
    type MaxLocks = ConstU32<50>;
    type MaxReserves = ConstU32<50>;
    type ReserveIdentifier = [u8; 8];
    /// The ubiquitous event type.
    type RuntimeEvent = RuntimeEvent;
    type RuntimeFreezeReason = RuntimeFreezeReason;
    type RuntimeHoldReason = RuntimeHoldReason;
    type WeightInfo = pallet_balances::weights::SubstrateWeight<Runtime>;
}

parameter_types! {
    /// Relay Chain `TransactionByteFee` / 10
    pub const TransactionByteFee: Balance = 10 * MICROUNIT;
}

impl pallet_transaction_payment::Config for Runtime {
    type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
    type LengthToFee = ConstantMultiplier<Balance, TransactionByteFee>;
    type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter<Balances, ()>;
    type OperationalFeeMultiplier = ConstU8<5>;
    type RuntimeEvent = RuntimeEvent;
    type WeightToFee = WeightToFee;
}

impl pallet_sudo::Config for Runtime {
    type RuntimeCall = RuntimeCall;
    type RuntimeEvent = RuntimeEvent;
    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 CheckAssociatedRelayNumber = RelayNumberStrictlyIncreases;
    type ConsensusHook = cumulus_pallet_aura_ext::FixedVelocityConsensusHook<
        Runtime,
        RELAY_CHAIN_SLOT_DURATION_MILLIS,
        BLOCK_PROCESSING_VELOCITY,
        UNINCLUDED_SEGMENT_CAPACITY,
    >;
    type DmpMessageHandler = DmpQueue;
    type OnSystemEvent = ();
    type OutboundXcmpMessageSource = XcmpQueue;
    type ReservedDmpWeight = ReservedDmpWeight;
    type ReservedXcmpWeight = ReservedXcmpWeight;
    type RuntimeEvent = RuntimeEvent;
    type SelfParaId = parachain_info::Pallet<Runtime>;
    type XcmpMessageHandler = XcmpQueue;
}

impl parachain_info::Config for Runtime {}

impl cumulus_pallet_aura_ext::Config for Runtime {}

impl cumulus_pallet_xcmp_queue::Config for Runtime {
    type ChannelInfo = ParachainSystem;
    type ControllerOrigin = EnsureRoot<AccountId>;
    type ControllerOriginConverter = XcmOriginToTransactDispatchOrigin;
    type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
    type PriceForSiblingDelivery = NoPriceForMessageDelivery<ParaId>;
    type RuntimeEvent = RuntimeEvent;
    type VersionWrapper = ();
    type WeightInfo = ();
    type XcmExecutor = XcmExecutor<XcmConfig>;
}

impl cumulus_pallet_dmp_queue::Config for Runtime {
    type ExecuteOverweightOrigin = EnsureRoot<AccountId>;
    type RuntimeEvent = RuntimeEvent;
    type XcmExecutor = XcmExecutor<XcmConfig>;
}

parameter_types! {
    pub const Period: u32 = 6 * HOURS;
    pub const Offset: u32 = 0;
}

impl pallet_session::Config for Runtime {
    type Keys = SessionKeys;
    type NextSessionRotation = pallet_session::PeriodicSessions<Period, Offset>;
    type RuntimeEvent = RuntimeEvent;
    // Essentially just Aura, but let's be pedantic.
    type SessionHandler = <SessionKeys as sp_runtime::traits::OpaqueKeys>::KeyTypeIdProviders;
    type SessionManager = CollatorSelection;
    type ShouldEndSession = pallet_session::PeriodicSessions<Period, Offset>;
    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 WeightInfo = ();
}

impl pallet_aura::Config for Runtime {
    type AllowMultipleBlocksPerSlot = ConstBool<false>;
    type AuthorityId = AuraId;
    type DisabledValidators = ();
    type MaxAuthorities = ConstU32<100_000>;
    #[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 Currency = Balances;
    // should be a multiple of session or things will get inconsistent
    type KickThreshold = Period;
    type MaxCandidates = ConstU32<100>;
    type MaxInvulnerables = ConstU32<20>;
    type MinEligibleCollators = ConstU32<4>;
    type PotId = PotId;
    type RuntimeEvent = RuntimeEvent;
    type UpdateOrigin = CollatorSelectionUpdateOrigin;
    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>,
}