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		fn offchain_worker(header: &<Block as BlockT>::Header) {
			Executive::offchain_worker(header)
	impl parachain::ParachainHost<Block> for Runtime {
		fn validators() -> Vec<parachain::ValidatorId> {
			Parachains::authorities()
		}
		fn duty_roster() -> parachain::DutyRoster {
			Parachains::calculate_duty_roster().0
		fn active_parachains() -> Vec<(parachain::Id, Option<(parachain::CollatorId, parachain::Retriable)>)> {
			Registrar::active_paras()
		fn global_validation_schedule() -> parachain::GlobalValidationSchedule {
			Parachains::global_validation_schedule()
		}
		fn local_validation_data(id: parachain::Id) -> Option<parachain::LocalValidationData> {
			Parachains::current_local_validation_data(&id)
		fn parachain_code(id: parachain::Id) -> Option<parachain::ValidationCode> {
			Parachains::parachain_code(&id)
		}
		fn get_heads(extrinsics: Vec<<Block as BlockT>::Extrinsic>)
			-> Option<Vec<AbridgedCandidateReceipt>>
		{
			extrinsics
				.into_iter()
				.find_map(|ex| match UncheckedExtrinsic::decode(&mut ex.encode().as_slice()) {
					Ok(ex) => match ex.function {
						Call::Parachains(ParachainsCall::set_heads(heads)) => {
							Some(heads.into_iter().map(|c| c.candidate).collect())
						}
						_ => None,
					}
					Err(_) => None,
				})
		}
		fn signing_context() -> SigningContext {
			Parachains::signing_context()
		}

	impl fg_primitives::GrandpaApi<Block> for Runtime {
		fn grandpa_authorities() -> Vec<(GrandpaId, u64)> {
			Grandpa::grandpa_authorities()
		}

		fn submit_report_equivocation_extrinsic(
			equivocation_proof: fg_primitives::EquivocationProof<
				<Block as BlockT>::Hash,
				sp_runtime::traits::NumberFor<Block>,
			>,
			key_owner_proof: fg_primitives::OpaqueKeyOwnershipProof,
		) -> Option<()> {
			let key_owner_proof = key_owner_proof.decode()?;

			Grandpa::submit_report_equivocation_extrinsic(
				equivocation_proof,
				key_owner_proof,
			)
		}

		fn generate_key_ownership_proof(
			_set_id: fg_primitives::SetId,
			authority_id: fg_primitives::AuthorityId,
		) -> Option<fg_primitives::OpaqueKeyOwnershipProof> {
			use codec::Encode;

			Historical::prove((fg_primitives::KEY_TYPE, authority_id))
				.map(|p| p.encode())
				.map(fg_primitives::OpaqueKeyOwnershipProof::new)
		}
	impl babe_primitives::BabeApi<Block> for Runtime {
		fn configuration() -> babe_primitives::BabeGenesisConfiguration {
			// The choice of `c` parameter (where `1 - c` represents the
			// probability of a slot being empty), is done in accordance to the
			// slot duration and expected target block time, for safely
			// resisting network delays of maximum two seconds.
			// <https://research.web3.foundation/en/latest/polkadot/BABE/Babe/#6-practical-results>
			babe_primitives::BabeGenesisConfiguration {
				slot_duration: Babe::slot_duration(),
				epoch_length: EpochDuration::get(),
				c: PRIMARY_PROBABILITY,
				genesis_authorities: Babe::authorities(),
				randomness: Babe::randomness(),
				allowed_slots: babe_primitives::AllowedSlots::PrimaryAndSecondaryPlainSlots,

		fn current_epoch_start() -> babe_primitives::SlotNumber {
			Babe::current_epoch_start()
		}
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	impl authority_discovery_primitives::AuthorityDiscoveryApi<Block> for Runtime {
		fn authorities() -> Vec<AuthorityDiscoveryId> {
			AuthorityDiscovery::authorities()
		}
	}

	impl sp_session::SessionKeys<Block> for Runtime {
		fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8> {
			SessionKeys::generate(seed)
		}
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		fn decode_session_keys(
			encoded: Vec<u8>,
		) -> Option<Vec<(Vec<u8>, sp_core::crypto::KeyTypeId)>> {
			SessionKeys::decode_into_raw_public_keys(&encoded)
		}

	impl system_rpc_runtime_api::AccountNonceApi<Block, AccountId, Nonce> for Runtime {
		fn account_nonce(account: AccountId) -> Nonce {
			System::account_nonce(account)
		}
	}
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	impl transaction_payment_rpc_runtime_api::TransactionPaymentApi<
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		Block,
		Balance,
		UncheckedExtrinsic,
	> for Runtime {
		fn query_info(uxt: UncheckedExtrinsic, len: u32) -> RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_info(uxt, len)
		}
	}

	#[cfg(feature = "runtime-benchmarks")]
	impl frame_benchmarking::Benchmark<Block> for Runtime {
		fn dispatch_benchmark(
			pallet: Vec<u8>,
			benchmark: Vec<u8>,
			lowest_range_values: Vec<u32>,
			highest_range_values: Vec<u32>,
			steps: Vec<u32>,
			repeat: u32,
		) -> Result<Vec<frame_benchmarking::BenchmarkBatch>, RuntimeString> {
			use frame_benchmarking::{Benchmarking, BenchmarkBatch, add_benchmark};
			// Trying to add benchmarks directly to the Session Pallet caused cyclic dependency issues.
			// To get around that, we separated the Session benchmarks into its own crate, which is why
			// we need these two lines below.
			use pallet_session_benchmarking::Module as SessionBench;
			use pallet_offences_benchmarking::Module as OffencesBench;
			use frame_system_benchmarking::Module as SystemBench;

			impl pallet_session_benchmarking::Trait for Runtime {}
			impl pallet_offences_benchmarking::Trait for Runtime {}
			impl frame_system_benchmarking::Trait for Runtime {}

			let mut batches = Vec::<BenchmarkBatch>::new();
			let params = (&pallet, &benchmark, &lowest_range_values, &highest_range_values, &steps, repeat);
			add_benchmark!(params, batches, b"claims", Claims);
			// Substrate
			add_benchmark!(params, batches, b"balances", Balances);
			add_benchmark!(params, batches, b"collective", Council);
			add_benchmark!(params, batches, b"democracy", Democracy);
			add_benchmark!(params, batches, b"elections-phragmen", ElectionsPhragmen);
			add_benchmark!(params, batches, b"identity", Identity);
			add_benchmark!(params, batches, b"im-online", ImOnline);
			add_benchmark!(params, batches, b"offences", OffencesBench::<Runtime>);
			add_benchmark!(params, batches, b"scheduler", Scheduler);
			add_benchmark!(params, batches, b"session", SessionBench::<Runtime>);
			add_benchmark!(params, batches, b"staking", Staking);
			add_benchmark!(params, batches, b"system", SystemBench::<Runtime>);
			add_benchmark!(params, batches, b"timestamp", Timestamp);
			add_benchmark!(params, batches, b"treasury", Treasury);
			add_benchmark!(params, batches, b"utility", Utility);
			add_benchmark!(params, batches, b"vesting", Vesting);

			if batches.is_empty() { return Err("Benchmark not found for this pallet.".into()) }
			Ok(batches)