[async_backing] Bump ParachainHost to api version 10 on polkadot

CHANGELOG.md

@@ -27,6 +27,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Bump parachains runtime API to v9 in Kusama to enable the `node_features` function [polkadot-fellows/runtimes#194](https://github.com/polkadot-fellows/runtimes/pull/194)
 - Bump parachains runtime API to v10 in Kusama to enable the `approval-voting-params` function [polkadot-fellows/runtimes#204](https://github.com/polkadot-fellows/runtimes/pull/204)
 - Use Relay Chain's Treasury Pallet account as a destination for XCM fees on System Parachain ([polkadot-fellows/runtimes#191](https://github.com/polkadot-fellows/runtimes/pull/191))
+- Bump parachains runtime API to v10 in Polkadot to enable async-backing subsystems(still in backwards compatible mode) [polkadot-fellows/runtimes#222](https://github.com/polkadot-fellows/runtimes/pull/222)
 
 ### Removed
 

integration-tests/emulated/chains/relays/polkadot/src/lib.rs

@@ -21,7 +21,6 @@ use emulated_integration_tests_common::{
 	impl_hrmp_channels_helpers_for_relay_chain, impl_send_transact_helpers_for_relay_chain,
 	xcm_emulator::decl_test_relay_chains,
 };
-use polkadot_primitives::runtime_api::runtime_decl_for_parachain_host::ParachainHostV5;
 
 // Polkadot declaration
 decl_test_relay_chains! {

relay/polkadot/src/lib.rs

@@ -38,7 +38,9 @@ use runtime_parachains::{
 	inclusion::{AggregateMessageOrigin, UmpQueueId},
 	initializer as parachains_initializer, origin as parachains_origin, paras as parachains_paras,
 	paras_inherent as parachains_paras_inherent, reward_points as parachains_reward_points,
-	runtime_api_impl::v7 as parachains_runtime_api_impl,
+	runtime_api_impl::{
+		v7 as parachains_runtime_api_impl, vstaging as parachains_vstaging_api_impl,
+	},
 	scheduler as parachains_scheduler, session_info as parachains_session_info,
 	shared as parachains_shared,
 };
@@ -70,7 +72,9 @@ use pallet_session::historical as session_historical;
 use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
 use parity_scale_codec::{Decode, Encode, MaxEncodedLen};
 use primitives::{
-	slashing, AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CandidateHash,
+	slashing,
+	vstaging::{ApprovalVotingParams, NodeFeatures},
+	AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CandidateHash,
 	CommittedCandidateReceipt, CoreState, DisputeState, ExecutorParams, GroupRotationInfo, Hash,
 	Id as ParaId, InboundDownwardMessage, InboundHrmpMessage, Moment, Nonce,
 	OccupiedCoreAssumption, PersistedValidationData, ScrapedOnChainVotes, SessionInfo, Signature,
@@ -1971,6 +1975,7 @@ sp_api::impl_runtime_apis! {
 		}
 	}
 
+	#[api_version(10)]
 	impl primitives::runtime_api::ParachainHost<Block> for Runtime {
 		fn validators() -> Vec<ValidatorId> {
 			parachains_runtime_api_impl::validators::<Runtime>()
@@ -2101,6 +2106,30 @@ sp_api::impl_runtime_apis! {
 				key_ownership_proof,
 			)
 		}
+
+		fn minimum_backing_votes() -> u32 {
+			parachains_runtime_api_impl::minimum_backing_votes::<Runtime>()
+		}
+
+		fn para_backing_state(para_id: ParaId) -> Option<primitives::async_backing::BackingState> {
+			parachains_runtime_api_impl::backing_state::<Runtime>(para_id)
+		}
+
+		fn async_backing_params() -> primitives::AsyncBackingParams {
+			parachains_runtime_api_impl::async_backing_params::<Runtime>()
+		}
+
+		fn disabled_validators() -> Vec<ValidatorIndex> {
+			parachains_vstaging_api_impl::disabled_validators::<Runtime>()
+		}
+
+		fn node_features() -> NodeFeatures {
+			parachains_vstaging_api_impl::node_features::<Runtime>()
+		}
+
+		fn approval_voting_params() -> ApprovalVotingParams {
+			parachains_vstaging_api_impl::approval_voting_params::<Runtime>()
+		}
 	}
 
 	impl beefy_primitives::BeefyApi<Block, BeefyId> for Runtime {