Move registrySyncer creation into ccip delegate

core/capabilities/ccip/delegate.go

@@ -5,10 +5,14 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/smartcontractkit/chainlink-common/pkg/loop"
 	"github.com/smartcontractkit/chainlink/v2/core/capabilities/ccip/common"
 	configsevm "github.com/smartcontractkit/chainlink/v2/core/capabilities/ccip/configs/evm"
 	"github.com/smartcontractkit/chainlink/v2/core/capabilities/ccip/launcher"
 	"github.com/smartcontractkit/chainlink/v2/core/capabilities/ccip/oraclecreator"
+	"github.com/smartcontractkit/chainlink/v2/core/services/ocrcommon"
+	p2ptypes "github.com/smartcontractkit/chainlink/v2/core/services/p2p/types"
+	"github.com/smartcontractkit/chainlink/v2/core/services/registrysyncer"
 
 	ragep2ptypes "github.com/smartcontractkit/libocr/ragep2p/types"
 
@@ -27,25 +31,28 @@ import (
 	"github.com/smartcontractkit/chainlink/v2/core/services/keystore/keys/ocr2key"
 	"github.com/smartcontractkit/chainlink/v2/core/services/keystore/keys/p2pkey"
 	"github.com/smartcontractkit/chainlink/v2/core/services/ocr2"
-	"github.com/smartcontractkit/chainlink/v2/core/services/ocrcommon"
 	"github.com/smartcontractkit/chainlink/v2/core/services/pipeline"
-	"github.com/smartcontractkit/chainlink/v2/core/services/registrysyncer"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm"
 	"github.com/smartcontractkit/chainlink/v2/core/services/telemetry"
 	"github.com/smartcontractkit/chainlink/v2/plugins"
 )
 
+type RelayGetter interface {
+	Get(types.RelayID) (loop.Relayer, error)
+	GetIDToRelayerMap() (map[types.RelayID]loop.Relayer, error)
+}
+
 type Delegate struct {
 	lggr                  logger.Logger
 	registrarConfig       plugins.RegistrarConfig
 	pipelineRunner        pipeline.Runner
 	chains                legacyevm.LegacyChainContainer
+	relayers              RelayGetter
 	keystore              keystore.Master
 	ds                    sqlutil.DataSource
 	peerWrapper           *ocrcommon.SingletonPeerWrapper
 	monitoringEndpointGen telemetry.MonitoringEndpointGenerator
-	registrySyncer        registrysyncer.Syncer
 	capabilityConfig      config.Capabilities
 
 	isNewlyCreatedJob bool
@@ -56,7 +63,7 @@ func NewDelegate(
 	registrarConfig plugins.RegistrarConfig,
 	pipelineRunner pipeline.Runner,
 	chains legacyevm.LegacyChainContainer,
-	registrySyncer registrysyncer.Syncer,
+	relayers RelayGetter,
 	keystore keystore.Master,
 	ds sqlutil.DataSource,
 	peerWrapper *ocrcommon.SingletonPeerWrapper,
@@ -68,7 +75,7 @@ func NewDelegate(
 		registrarConfig:       registrarConfig,
 		pipelineRunner:        pipelineRunner,
 		chains:                chains,
-		registrySyncer:        registrySyncer,
+		relayers:              relayers,
 		ds:                    ds,
 		keystore:              keystore,
 		peerWrapper:           peerWrapper,
@@ -99,6 +106,25 @@ func (d *Delegate) ServicesForSpec(ctx context.Context, spec job.Job) (services
 		return nil, fmt.Errorf("failed to get all p2p keys: %w", err)
 	}
 
+	cfg := d.capabilityConfig
+	rid := cfg.ExternalRegistry().RelayID()
+	registryAddress := cfg.ExternalRegistry().Address()
+	relayer, err := d.relayers.Get(rid)
+	if err != nil {
+		return nil, fmt.Errorf("could not fetch relayer %s configured for capabilities registry: %w", rid, err)
+	}
+	registrySyncer, err := registrysyncer.New(
+		d.lggr,
+		func() (p2ptypes.PeerID, error) {
+			return p2ptypes.PeerID(p2pID.PeerID()), nil
+		},
+		relayer,
+		registryAddress,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("could not configure syncer: %w", err)
+	}
+
 	ocrKeys, err := d.getOCRKeys(spec.CCIPSpec.OCRKeyBundleIDs)
 	if err != nil {
 		return nil, err
@@ -160,9 +186,10 @@ func (d *Delegate) ServicesForSpec(ctx context.Context, spec job.Job) (services
 	)
 
 	// register the capability launcher with the registry syncer
-	d.registrySyncer.AddLauncher(capLauncher)
+	registrySyncer.AddLauncher(capLauncher)
 
 	return []job.ServiceCtx{
+		registrySyncer,
 		hcr,
 		capLauncher,
 	}, nil

core/services/chainlink/application.go

@@ -535,7 +535,7 @@ func NewApplication(opts ApplicationOpts) (Application, error) {
 			loopRegistrarConfig,
 			pipelineRunner,
 			opts.RelayerChainInteroperators.LegacyEVMChains(),
-			capabilityRegistrySyncer,
+			relayerChainInterops,
 			opts.KeyStore,
 			opts.DS,
 			peerWrapper,