lib.rs

	impl offchain_primitives::OffchainWorkerApi<Block> for Runtime {
		fn offchain_worker(header: &<Block as BlockT>::Header) {
			Executive::offchain_worker(header)
		}
	}

	impl primitives::runtime_api::ParachainHost<Block, Hash, BlockNumber> for Runtime {
		fn validators() -> Vec<ValidatorId> {
			runtime_api_impl::validators::<Runtime>()
		}

		fn validator_groups() -> (Vec<Vec<ValidatorIndex>>, GroupRotationInfo<BlockNumber>) {
			runtime_api_impl::validator_groups::<Runtime>()
		}

		fn availability_cores() -> Vec<CoreState<Hash, BlockNumber>> {
			runtime_api_impl::availability_cores::<Runtime>()
		}

		fn persisted_validation_data(para_id: ParaId, assumption: OccupiedCoreAssumption)
			-> Option<PersistedValidationData<Hash, BlockNumber>> {
			runtime_api_impl::persisted_validation_data::<Runtime>(para_id, assumption)
		}

		fn assumed_validation_data(
			para_id: ParaId,
			expected_persisted_validation_data_hash: Hash,
		) -> Option<(PersistedValidationData<Hash, BlockNumber>, ValidationCodeHash)> {
			runtime_api_impl::assumed_validation_data::<Runtime>(
				para_id,
				expected_persisted_validation_data_hash,
			)
		}

		fn check_validation_outputs(
			para_id: ParaId,
			outputs: primitives::v2::CandidateCommitments,
		) -> bool {
			runtime_api_impl::check_validation_outputs::<Runtime>(para_id, outputs)
		}

		fn session_index_for_child() -> SessionIndex {
			runtime_api_impl::session_index_for_child::<Runtime>()
		}

		fn validation_code(para_id: ParaId, assumption: OccupiedCoreAssumption)
			-> Option<ValidationCode> {
			runtime_api_impl::validation_code::<Runtime>(para_id, assumption)
		}

		fn candidate_pending_availability(para_id: ParaId) -> Option<CommittedCandidateReceipt<Hash>> {
			runtime_api_impl::candidate_pending_availability::<Runtime>(para_id)
		}

		fn candidate_events() -> Vec<CandidateEvent<Hash>> {
			runtime_api_impl::candidate_events::<Runtime, _>(|ev| {
				match ev {
					Event::ParaInclusion(ev) => {
						Some(ev)
					}
					_ => None,
				}
			})
		}

		fn session_info(index: SessionIndex) -> Option<SessionInfo> {
			runtime_api_impl::session_info::<Runtime>(index)
		}

		fn dmq_contents(recipient: ParaId) -> Vec<InboundDownwardMessage<BlockNumber>> {
			runtime_api_impl::dmq_contents::<Runtime>(recipient)
		}

		fn inbound_hrmp_channels_contents(
			recipient: ParaId
		) -> BTreeMap<ParaId, Vec<InboundHrmpMessage<BlockNumber>>> {
			runtime_api_impl::inbound_hrmp_channels_contents::<Runtime>(recipient)
		}

		fn validation_code_by_hash(hash: ValidationCodeHash) -> Option<ValidationCode> {
			runtime_api_impl::validation_code_by_hash::<Runtime>(hash)
		}

		fn on_chain_votes() -> Option<ScrapedOnChainVotes<Hash>> {
			runtime_api_impl::on_chain_votes::<Runtime>()
		}

		fn submit_pvf_check_statement(stmt: PvfCheckStatement, signature: ValidatorSignature) {
			runtime_api_impl::submit_pvf_check_statement::<Runtime>(stmt, signature)
		}

		fn pvfs_require_precheck() -> Vec<ValidationCodeHash> {
			runtime_api_impl::pvfs_require_precheck::<Runtime>()
		}

		fn validation_code_hash(para_id: ParaId, assumption: OccupiedCoreAssumption)
			-> Option<ValidationCodeHash>
		{
			runtime_api_impl::validation_code_hash::<Runtime>(para_id, assumption)
		}

		fn staging_get_disputes() -> Vec<(SessionIndex, CandidateHash, DisputeState<BlockNumber>)> {
			unimplemented!()
		}
	}

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

		fn current_set_id() -> fg_primitives::SetId {
			Grandpa::current_set_id()
		}

		fn submit_report_equivocation_unsigned_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_unsigned_equivocation_report(
				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 parity_scale_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: EpochDurationInBlocks::get().into(),
				c: BABE_GENESIS_EPOCH_CONFIG.c,
				genesis_authorities: Babe::authorities().to_vec(),
				randomness: Babe::randomness(),
				allowed_slots: BABE_GENESIS_EPOCH_CONFIG.allowed_slots,
			}
		}

		fn current_epoch_start() -> babe_primitives::Slot {
			Babe::current_epoch_start()
		}

		fn current_epoch() -> babe_primitives::Epoch {
			Babe::current_epoch()
		}

		fn next_epoch() -> babe_primitives::Epoch {
			Babe::next_epoch()
		}

		fn generate_key_ownership_proof(
			_slot: babe_primitives::Slot,
			authority_id: babe_primitives::AuthorityId,
		) -> Option<babe_primitives::OpaqueKeyOwnershipProof> {
			use parity_scale_codec::Encode;

			Historical::prove((babe_primitives::KEY_TYPE, authority_id))
				.map(|p| p.encode())
				.map(babe_primitives::OpaqueKeyOwnershipProof::new)
		}

		fn submit_report_equivocation_unsigned_extrinsic(
			equivocation_proof: babe_primitives::EquivocationProof<<Block as BlockT>::Header>,
			key_owner_proof: babe_primitives::OpaqueKeyOwnershipProof,
		) -> Option<()> {
			let key_owner_proof = key_owner_proof.decode()?;

			Babe::submit_unsigned_equivocation_report(
				equivocation_proof,
				key_owner_proof,
			)
		}
	}

	impl authority_discovery_primitives::AuthorityDiscoveryApi<Block> for Runtime {
		fn authorities() -> Vec<AuthorityDiscoveryId> {
			runtime_api_impl::relevant_authority_ids::<Runtime>()
		}
	}

	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>, sp_core::crypto::KeyTypeId)>> {
			SessionKeys::decode_into_raw_public_keys(&encoded)
		}
	}

	impl beefy_primitives::BeefyApi<Block> for Runtime {
		fn validator_set() -> Option<beefy_primitives::ValidatorSet<BeefyId>> {
			Beefy::validator_set()
		}
	}

	impl mmr::MmrApi<Block, Hash> for Runtime {
		fn generate_proof(leaf_index: u64)
			-> Result<(mmr::EncodableOpaqueLeaf, mmr::Proof<Hash>), mmr::Error>
		{
			Mmr::generate_batch_proof(vec![leaf_index])
				.and_then(|(leaves, proof)| Ok((
					mmr::EncodableOpaqueLeaf::from_leaf(&leaves[0]),
					mmr::BatchProof::into_single_leaf_proof(proof)?
				)))
		}

		fn verify_proof(leaf: mmr::EncodableOpaqueLeaf, proof: mmr::Proof<Hash>)
			-> Result<(), mmr::Error>
		{
			pub type MmrLeaf = <<Runtime as pallet_mmr::Config>::LeafData as mmr::LeafDataProvider>::LeafData;
			let leaf: MmrLeaf = leaf
				.into_opaque_leaf()
				.try_decode()
				.ok_or(mmr::Error::Verify)?;
			Mmr::verify_leaves(vec![leaf], mmr::Proof::into_batch_proof(proof))
		}

		fn verify_proof_stateless(
			root: Hash,
			leaf: mmr::EncodableOpaqueLeaf,
			proof: mmr::Proof<Hash>
		) -> Result<(), mmr::Error> {
			let node = mmr::DataOrHash::Data(leaf.into_opaque_leaf());
			pallet_mmr::verify_leaves_proof::<MmrHashing, _>(root, vec![node], mmr::Proof::into_batch_proof(proof))
		}

		fn mmr_root() -> Result<Hash, mmr::Error> {
			Ok(Mmr::mmr_root())
		}

		fn generate_batch_proof(leaf_indices: Vec<mmr::LeafIndex>)
			-> Result<(Vec<mmr::EncodableOpaqueLeaf>, mmr::BatchProof<Hash>), mmr::Error>
		{
			Mmr::generate_batch_proof(leaf_indices)
				.map(|(leaves, proof)| (leaves.into_iter().map(|leaf| mmr::EncodableOpaqueLeaf::from_leaf(&leaf)).collect(), proof))
		}

		fn verify_batch_proof(leaves: Vec<mmr::EncodableOpaqueLeaf>, proof: mmr::BatchProof<Hash>)
			-> Result<(), mmr::Error>
		{
			pub type MmrLeaf = <<Runtime as pallet_mmr::Config>::LeafData as mmr::LeafDataProvider>::LeafData;
			let leaves = leaves.into_iter().map(|leaf|
				leaf.into_opaque_leaf()
				.try_decode()
				.ok_or(mmr::Error::Verify)).collect::<Result<Vec<MmrLeaf>, mmr::Error>>()?;
			Mmr::verify_leaves(leaves, proof)
		}

		fn verify_batch_proof_stateless(
			root: Hash,
			leaves: Vec<mmr::EncodableOpaqueLeaf>,
			proof: mmr::BatchProof<Hash>
		) -> Result<(), mmr::Error> {
			let nodes = leaves.into_iter().map(|leaf|mmr::DataOrHash::Data(leaf.into_opaque_leaf())).collect();
			pallet_mmr::verify_leaves_proof::<MmrHashing, _>(root, nodes, proof)
		}
	}

	impl beefy_merkle_tree::BeefyMmrApi<Block, Hash> for RuntimeApi {
		fn authority_set_proof() -> beefy_primitives::mmr::BeefyAuthoritySet<Hash> {
			MmrLeaf::authority_set_proof()
		}

		fn next_authority_set_proof() -> beefy_primitives::mmr::BeefyNextAuthoritySet<Hash> {
			MmrLeaf::next_authority_set_proof()
		}
	}

	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) -> RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_info(uxt, len)
		}
		fn query_fee_details(uxt: <Block as BlockT>::Extrinsic, len: u32) -> FeeDetails<Balance> {
			TransactionPayment::query_fee_details(uxt, len)
		}
	}

	impl pallet_transaction_payment_rpc_runtime_api::TransactionPaymentCallApi<Block, Balance, Call>
		for Runtime
	{
		fn query_call_info(call: Call, len: u32) -> RuntimeDispatchInfo<Balance> {
			TransactionPayment::query_call_info(call, len)
		}
		fn query_call_fee_details(call: Call, len: u32) -> FeeDetails<Balance> {
			TransactionPayment::query_call_fee_details(call, len)
		}
	}

	#[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 frame_benchmarking::baseline::Pallet as Baseline;

			let mut list = Vec::<BenchmarkList>::new();
			list_benchmarks!(list, extra);

			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, TrackedStorageKey};
			use frame_system_benchmarking::Pallet as SystemBench;
			use frame_benchmarking::baseline::Pallet as Baseline;

			impl frame_system_benchmarking::Config for Runtime {}
			impl frame_benchmarking::baseline::Config for Runtime {}

			let mut batches = Vec::<BenchmarkBatch>::new();
			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 params = (&config, &whitelist);
			add_benchmarks!(params, batches);

			Ok(batches)
		}
	}
}