Add Db syncing for registry syncer (smartcontractkit#13756)

* Adds migration for syncer state data

* Implements syncer ORM

* Implements syncing with local registry and properly updating it

* Fixes db sync channel

* Connects DB to syncer constructor

* Adds changeset

* Fixes changeset

* Uses custom marshal JSON call on DB store call

* Fixes errors from merge conflicts

* Fixes existing tests

* Prevents tests from hanging

* Fixes lint issue

* Fixes setup on `New()` call

* Implements marshal/unnmarshal mechanics on syncer state

* Fixes migration name

* Fixes lint

* Keeps the latest 10 records on `registry_syncer_states`

* Adds ORM tests

* Prevents possible flake

* Fixes errors from conflict

* Fixes syncer tests

* Fixes syncer ORM tests

* Fixes linter

* Fixes tests

* Fixes tests

* Review changes

* Fixes tests

* Fixes lint

* Improves implementation

* Removes unused `to32Byte` func

* fixes errors on `Close()`

* Adds more custom types to avoid data races

* Update tests

* fixes lint

* Removes unnecessary comments

* Sends deep copy of local registry to launchers

* Fixes linter

* Uses interface for syncer ORM

* Mocks the ORM for tests

* Improves `syncer.Close()` mechanism

* Fixes merge conflicts

* Fixes test

* Fixes linter

* Fixes race condition with `syncer.reader`

* Fixes race condition in test

* Fixes race condition in test

* Fixes test

---------

Co-authored-by: Bolek <[email protected]>

.changeset/many-knives-play.md

@@ -0,0 +1,5 @@
+---
+"chainlink": patch
+---
+
+#updated Adds DB syncing for registry syncer

.mockery.yaml

@@ -570,4 +570,7 @@ packages:
     interfaces:
       Reader:
         config:
-          mockname: "Mock{{ .InterfaceName }}"
+          mockname: "Mock{{ .InterfaceName }}"
+  github.com/smartcontractkit/chainlink/v2/core/services/registrysyncer:
+    interfaces:
+      ORM:

core/capabilities/ccip/delegate.go

@@ -6,6 +6,7 @@ import (
 	"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"
@@ -119,6 +120,7 @@ func (d *Delegate) ServicesForSpec(ctx context.Context, spec job.Job) (services
 		},
 		relayer,
 		cfg.ExternalRegistry().Address(),
+		registrysyncer.NewORM(d.ds, d.lggr),
 	)
 	if err != nil {
 		return nil, fmt.Errorf("could not configure syncer: %w", err)

core/capabilities/ccip/launcher/integration_test.go

@@ -6,6 +6,7 @@ import (
 
 	it "github.com/smartcontractkit/chainlink/v2/core/capabilities/ccip/ccip_integration_tests/integrationhelpers"
 	cctypes "github.com/smartcontractkit/chainlink/v2/core/capabilities/ccip/types"
+	"github.com/smartcontractkit/chainlink/v2/core/internal/testutils/pgtest"
 	p2ptypes "github.com/smartcontractkit/chainlink/v2/core/services/p2p/types"
 
 	"github.com/onsi/gomega"
@@ -30,12 +31,14 @@ func TestIntegration_Launcher(t *testing.T) {
 	p2pIDs := it.P2pIDsFromInts(arr)
 	uni.AddCapability(p2pIDs)
 
+	db := pgtest.NewSqlxDB(t)
 	regSyncer, err := registrysyncer.New(lggr,
 		func() (p2ptypes.PeerID, error) {
 			return p2pIDs[0], nil
 		},
 		uni,
 		uni.CapReg.Address().String(),
+		registrysyncer.NewORM(db, lggr),
 	)
 	require.NoError(t, err)
 

core/services/chainlink/application.go

@@ -241,6 +241,7 @@ func NewApplication(opts ApplicationOpts) (Application, error) {
 				},
 				relayer,
 				registryAddress,
+				registrysyncer.NewORM(opts.DS, globalLogger),
 			)
 			if err != nil {
 				return nil, fmt.Errorf("could not configure syncer: %w", err)

core/services/registrysyncer/local_registry.go

@@ -36,6 +36,22 @@ type LocalRegistry struct {
 	IDsToCapabilities map[string]Capability
 }
 
+func NewLocalRegistry(
+	lggr logger.Logger,
+	getPeerID func() (p2ptypes.PeerID, error),
+	IDsToDONs map[DonID]DON,
+	IDsToNodes map[p2ptypes.PeerID]kcr.CapabilitiesRegistryNodeInfo,
+	IDsToCapabilities map[string]Capability,
+) LocalRegistry {
+	return LocalRegistry{
+		lggr:              lggr.Named("LocalRegistry"),
+		getPeerID:         getPeerID,
+		IDsToDONs:         IDsToDONs,
+		IDsToNodes:        IDsToNodes,
+		IDsToCapabilities: IDsToCapabilities,
+	}
+}
+
 func (l *LocalRegistry) LocalNode(ctx context.Context) (capabilities.Node, error) {
 	// Load the current nodes PeerWrapper, this gets us the current node's
 	// PeerID, allowing us to contextualize registry information in terms of DON ownership

core/services/registrysyncer/orm.go

@@ -0,0 +1,167 @@
+package registrysyncer
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/json"
+	"fmt"
+	"math/big"
+
+	"github.com/smartcontractkit/chainlink-common/pkg/sqlutil"
+
+	kcr "github.com/smartcontractkit/chainlink/v2/core/gethwrappers/keystone/generated/capabilities_registry"
+	"github.com/smartcontractkit/chainlink/v2/core/logger"
+	p2ptypes "github.com/smartcontractkit/chainlink/v2/core/services/p2p/types"
+)
+
+type capabilitiesRegistryNodeInfo struct {
+	NodeOperatorId      uint32            `json:"nodeOperatorId"`
+	ConfigCount         uint32            `json:"configCount"`
+	WorkflowDONId       uint32            `json:"workflowDONId"`
+	Signer              p2ptypes.PeerID   `json:"signer"`
+	P2pId               p2ptypes.PeerID   `json:"p2pId"`
+	HashedCapabilityIds []p2ptypes.PeerID `json:"hashedCapabilityIds"`
+	CapabilitiesDONIds  []string          `json:"capabilitiesDONIds"`
+}
+
+func (l *LocalRegistry) MarshalJSON() ([]byte, error) {
+	idsToNodes := make(map[p2ptypes.PeerID]capabilitiesRegistryNodeInfo)
+	for k, v := range l.IDsToNodes {
+		hashedCapabilityIds := make([]p2ptypes.PeerID, len(v.HashedCapabilityIds))
+		for i, id := range v.HashedCapabilityIds {
+			hashedCapabilityIds[i] = p2ptypes.PeerID(id[:])
+		}
+		capabilitiesDONIds := make([]string, len(v.CapabilitiesDONIds))
+		for i, id := range v.CapabilitiesDONIds {
+			capabilitiesDONIds[i] = id.String()
+		}
+		idsToNodes[k] = capabilitiesRegistryNodeInfo{
+			NodeOperatorId:      v.NodeOperatorId,
+			ConfigCount:         v.ConfigCount,
+			WorkflowDONId:       v.WorkflowDONId,
+			Signer:              p2ptypes.PeerID(v.Signer[:]),
+			P2pId:               p2ptypes.PeerID(v.P2pId[:]),
+			HashedCapabilityIds: hashedCapabilityIds,
+			CapabilitiesDONIds:  capabilitiesDONIds,
+		}
+	}
+
+	b, err := json.Marshal(&struct {
+		IDsToDONs         map[DonID]DON
+		IDsToNodes        map[p2ptypes.PeerID]capabilitiesRegistryNodeInfo
+		IDsToCapabilities map[string]Capability
+	}{
+		IDsToDONs:         l.IDsToDONs,
+		IDsToNodes:        idsToNodes,
+		IDsToCapabilities: l.IDsToCapabilities,
+	})
+	if err != nil {
+		return []byte{}, err
+	}
+	return b, nil
+}
+
+func (l *LocalRegistry) UnmarshalJSON(data []byte) error {
+	temp := struct {
+		IDsToDONs         map[DonID]DON
+		IDsToNodes        map[p2ptypes.PeerID]capabilitiesRegistryNodeInfo
+		IDsToCapabilities map[string]Capability
+	}{
+		IDsToDONs:         make(map[DonID]DON),
+		IDsToNodes:        make(map[p2ptypes.PeerID]capabilitiesRegistryNodeInfo),
+		IDsToCapabilities: make(map[string]Capability),
+	}
+
+	if err := json.Unmarshal(data, &temp); err != nil {
+		return fmt.Errorf("failed to unmarshal state: %w", err)
+	}
+
+	l.IDsToDONs = temp.IDsToDONs
+
+	l.IDsToNodes = make(map[p2ptypes.PeerID]kcr.CapabilitiesRegistryNodeInfo)
+	for peerID, v := range temp.IDsToNodes {
+		hashedCapabilityIds := make([][32]byte, len(v.HashedCapabilityIds))
+		for i, id := range v.HashedCapabilityIds {
+			copy(hashedCapabilityIds[i][:], id[:])
+		}
+
+		capabilitiesDONIds := make([]*big.Int, len(v.CapabilitiesDONIds))
+		for i, id := range v.CapabilitiesDONIds {
+			bigInt := new(big.Int)
+			bigInt.SetString(id, 10)
+			capabilitiesDONIds[i] = bigInt
+		}
+		l.IDsToNodes[peerID] = kcr.CapabilitiesRegistryNodeInfo{
+			NodeOperatorId:      v.NodeOperatorId,
+			ConfigCount:         v.ConfigCount,
+			WorkflowDONId:       v.WorkflowDONId,
+			Signer:              v.Signer,
+			P2pId:               v.P2pId,
+			HashedCapabilityIds: hashedCapabilityIds,
+			CapabilitiesDONIds:  capabilitiesDONIds,
+		}
+	}
+
+	l.IDsToCapabilities = temp.IDsToCapabilities
+
+	return nil
+}
+
+type ORM interface {
+	AddLocalRegistry(ctx context.Context, localRegistry LocalRegistry) error
+	LatestLocalRegistry(ctx context.Context) (*LocalRegistry, error)
+}
+
+type orm struct {
+	ds   sqlutil.DataSource
+	lggr logger.Logger
+}
+
+var _ ORM = (*orm)(nil)
+
+func NewORM(ds sqlutil.DataSource, lggr logger.Logger) orm {
+	namedLogger := lggr.Named("RegistrySyncerORM")
+	return orm{
+		ds:   ds,
+		lggr: namedLogger,
+	}
+}
+
+func (orm orm) AddLocalRegistry(ctx context.Context, localRegistry LocalRegistry) error {
+	return sqlutil.TransactDataSource(ctx, orm.ds, nil, func(tx sqlutil.DataSource) error {
+		localRegistryJSON, err := localRegistry.MarshalJSON()
+		if err != nil {
+			return err
+		}
+		hash := sha256.Sum256(localRegistryJSON)
+		_, err = tx.ExecContext(
+			ctx,
+			`INSERT INTO registry_syncer_states (data, data_hash) VALUES ($1, $2) ON CONFLICT (data_hash) DO NOTHING`,
+			localRegistryJSON, fmt.Sprintf("%x", hash[:]),
+		)
+		if err != nil {
+			return err
+		}
+		_, err = tx.ExecContext(ctx, `DELETE FROM registry_syncer_states
+WHERE data_hash NOT IN (
+    SELECT data_hash FROM registry_syncer_states
+    ORDER BY id DESC
+    LIMIT 10
+);`)
+		return err
+	})
+}
+
+func (orm orm) LatestLocalRegistry(ctx context.Context) (*LocalRegistry, error) {
+	var localRegistry LocalRegistry
+	var localRegistryJSON string
+	err := orm.ds.GetContext(ctx, &localRegistryJSON, `SELECT data FROM registry_syncer_states ORDER BY id DESC LIMIT 1`)
+	if err != nil {
+		return nil, err
+	}
+	err = localRegistry.UnmarshalJSON([]byte(localRegistryJSON))
+	if err != nil {
+		return nil, err
+	}
+	return &localRegistry, nil
+}