Migrate polkadot-primitives to v6 (#1543)

- Async-backing related primitives are stable `primitives::v6`
- Async-backing API is now part of `api_version(7)`
- It's enabled on Rococo and Westend runtimes

---------

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>
Co-authored-by: Andrei Sandu <54316454+sandreim@users.noreply.github.com>

polkadot/node/network/bridge/src/rx/mod.rs

@@ -33,7 +33,7 @@ use polkadot_node_network_protocol::{
 		CollationVersion, PeerSet, PeerSetProtocolNames, PerPeerSet, ProtocolVersion,
 		ValidationVersion,
 	},
-	v1 as protocol_v1, vstaging as protocol_vstaging, ObservedRole, OurView, PeerId,
+	v1 as protocol_v1, v2 as protocol_v2, ObservedRole, OurView, PeerId,
 	UnifiedReputationChange as Rep, View,
 };
 
@@ -262,13 +262,13 @@ where
 								),
 								&metrics,
 							),
-							ValidationVersion::VStaging => send_message(
+							ValidationVersion::V2 => send_message(
 								&mut network_service,
 								vec![peer],
 								PeerSet::Validation,
 								version,
 								&peerset_protocol_names,
-								WireMessage::<protocol_vstaging::ValidationProtocol>::ViewUpdate(
+								WireMessage::<protocol_v2::ValidationProtocol>::ViewUpdate(
 									local_view,
 								),
 								&metrics,
@@ -304,13 +304,13 @@ where
 								),
 								&metrics,
 							),
-							CollationVersion::VStaging => send_message(
+							CollationVersion::V2 => send_message(
 								&mut network_service,
 								vec![peer],
 								PeerSet::Collation,
 								version,
 								&peerset_protocol_names,
-								WireMessage::<protocol_vstaging::CollationProtocol>::ViewUpdate(
+								WireMessage::<protocol_v2::CollationProtocol>::ViewUpdate(
 									local_view,
 								),
 								&metrics,
@@ -465,9 +465,9 @@ where
 							&metrics,
 						)
 					} else if expected_versions[PeerSet::Validation] ==
-						Some(ValidationVersion::VStaging.into())
+						Some(ValidationVersion::V2.into())
 					{
-						handle_peer_messages::<protocol_vstaging::ValidationProtocol, _>(
+						handle_peer_messages::<protocol_v2::ValidationProtocol, _>(
 							remote,
 							PeerSet::Validation,
 							&mut shared.0.lock().validation_peers,
@@ -507,9 +507,9 @@ where
 							&metrics,
 						)
 					} else if expected_versions[PeerSet::Collation] ==
-						Some(CollationVersion::VStaging.into())
+						Some(CollationVersion::V2.into())
 					{
-						handle_peer_messages::<protocol_vstaging::CollationProtocol, _>(
+						handle_peer_messages::<protocol_v2::CollationProtocol, _>(
 							remote,
 							PeerSet::Collation,
 							&mut shared.0.lock().collation_peers,
@@ -813,10 +813,8 @@ fn update_our_view<Net, Context>(
 	let v1_validation_peers = filter_by_version(&validation_peers, ValidationVersion::V1.into());
 	let v1_collation_peers = filter_by_version(&collation_peers, CollationVersion::V1.into());
 
-	let vstaging_validation_peers =
-		filter_by_version(&validation_peers, ValidationVersion::VStaging.into());
-	let vstaging_collation_peers =
-		filter_by_version(&collation_peers, ValidationVersion::VStaging.into());
+	let v2_validation_peers = filter_by_version(&validation_peers, ValidationVersion::V2.into());
+	let v2_collation_peers = filter_by_version(&collation_peers, ValidationVersion::V2.into());
 
 	send_validation_message_v1(
 		net,
@@ -834,17 +832,17 @@ fn update_our_view<Net, Context>(
 		metrics,
 	);
 
-	send_validation_message_vstaging(
+	send_validation_message_v2(
 		net,
-		vstaging_validation_peers,
+		v2_validation_peers,
 		peerset_protocol_names,
 		WireMessage::ViewUpdate(new_view.clone()),
 		metrics,
 	);
 
-	send_collation_message_vstaging(
+	send_collation_message_v2(
 		net,
-		vstaging_collation_peers,
+		v2_collation_peers,
 		peerset_protocol_names,
 		WireMessage::ViewUpdate(new_view),
 		metrics,
@@ -955,36 +953,36 @@ fn send_collation_message_v1(
 	);
 }
 
-fn send_validation_message_vstaging(
+fn send_validation_message_v2(
 	net: &mut impl Network,
 	peers: Vec<PeerId>,
 	protocol_names: &PeerSetProtocolNames,
-	message: WireMessage<protocol_vstaging::ValidationProtocol>,
+	message: WireMessage<protocol_v2::ValidationProtocol>,
 	metrics: &Metrics,
 ) {
 	send_message(
 		net,
 		peers,
 		PeerSet::Validation,
-		ValidationVersion::VStaging.into(),
+		ValidationVersion::V2.into(),
 		protocol_names,
 		message,
 		metrics,
 	);
 }
 
-fn send_collation_message_vstaging(
+fn send_collation_message_v2(
 	net: &mut impl Network,
 	peers: Vec<PeerId>,
 	protocol_names: &PeerSetProtocolNames,
-	message: WireMessage<protocol_vstaging::CollationProtocol>,
+	message: WireMessage<protocol_v2::CollationProtocol>,
 	metrics: &Metrics,
 ) {
 	send_message(
 		net,
 		peers,
 		PeerSet::Collation,
-		CollationVersion::VStaging.into(),
+		CollationVersion::V2.into(),
 		protocol_names,
 		message,
 		metrics,