Node: Add cutover feature flags to heartbeats (#4092)

node/pkg/node/options.go

@@ -103,6 +103,7 @@ func GuardianOptionP2P(
 					ccqBootstrapPeers,
 					ccqPort,
 					ccqAllowedPeers),
+				p2p.WithProcessorFeaturesFunc(processor.GetFeatures),
 			)
 			if err != nil {
 				return err

node/pkg/p2p/p2p.go

@@ -528,6 +528,15 @@ func Run(params *RunParams) func(ctx context.Context) error {
 							}
 
 							features := make([]string, 0)
+							if GossipCutoverComplete() {
+								features = append(features, "p2p:new_gossip")
+							}
+							if params.processorFeaturesFunc != nil {
+								flag := params.processorFeaturesFunc()
+								if flag != "" {
+									features = append(features, flag)
+								}
+							}
 							if params.gov != nil {
 								if params.gov.IsFlowCancelEnabled() {
 									features = append(features, "governor:fc")

node/pkg/p2p/run_params.go

@@ -55,6 +55,7 @@ type (
 		gov                    *governor.ChainGovernor
 		components             *Components
 		ibcFeaturesFunc        func() string
+		processorFeaturesFunc  func() string
 		gatewayRelayerEnabled  bool
 		ccqEnabled             bool
 		signedQueryReqC        chan<- *gossipv1.SignedQueryRequest
@@ -108,6 +109,14 @@ func WithComponents(components *Components) RunOpt {
 	}
 }
 
+// WithProcessorFeaturesFunc is used to set the processor features function.
+func WithProcessorFeaturesFunc(processorFeaturesFunc func() string) RunOpt {
+	return func(p *RunParams) error {
+		p.processorFeaturesFunc = processorFeaturesFunc
+		return nil
+	}
+}
+
 // WithSignedObservationListener is used to set the channel to receive `SignedObservation` messages.
 func WithSignedObservationListener(obsvRecvC chan<- *common.MsgWithTimeStamp[gossipv1.SignedObservation]) RunOpt {
 	return func(p *RunParams) error {

node/pkg/processor/processor.go

@@ -471,3 +471,11 @@ func (p *Processor) vaaWriter(ctx context.Context) error {
 		}
 	}
 }
+
+// GetFeatures returns the processor feature string that can be published in heartbeat messages.
+func GetFeatures() string {
+	if batchCutoverComplete() {
+		return "processor:batching"
+	}
+	return ""
+}