Chore/rm eventbroadcaster entirely (#11727)

* remove unused eventbroadcaster from legacy evm chains

* rm eventbroadcaster completely

* update txtar for health cmds

core/cmd/shell.go

@@ -43,7 +43,6 @@ import (
 	"github.com/smartcontractkit/chainlink/v2/core/services/chainlink"
 	"github.com/smartcontractkit/chainlink/v2/core/services/keystore"
 	"github.com/smartcontractkit/chainlink/v2/core/services/periodicbackup"
-	"github.com/smartcontractkit/chainlink/v2/core/services/pg"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/mercury/wsrpc"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/mercury/wsrpc/cache"
 	"github.com/smartcontractkit/chainlink/v2/core/services/versioning"
@@ -156,8 +155,6 @@ func (n ChainlinkAppFactory) NewApplication(ctx context.Context, cfg chainlink.G
 	keyStore := keystore.New(db, utils.GetScryptParams(cfg), appLggr, cfg.Database())
 	mailMon := mailbox.NewMonitor(cfg.AppID().String(), appLggr.Named("Mailbox"))
 
-	dbListener := cfg.Database().Listener()
-	eventBroadcaster := pg.NewEventBroadcaster(cfg.Database().URL(), dbListener.MinReconnectInterval(), dbListener.MaxReconnectDuration(), appLggr, cfg.AppID())
 	loopRegistry := plugins.NewLoopRegistry(appLggr, cfg.Tracing())
 
 	mercuryPool := wsrpc.NewPool(appLggr, cache.Config{
@@ -226,7 +223,6 @@ func (n ChainlinkAppFactory) NewApplication(ctx context.Context, cfg chainlink.G
 		SqlxDB:                     db,
 		KeyStore:                   keyStore,
 		RelayerChainInteroperators: relayChainInterops,
-		EventBroadcaster:           eventBroadcaster,
 		MailMon:                    mailMon,
 		Logger:                     appLggr,
 		AuditLogger:                auditLogger,

core/internal/cltest/cltest.go

@@ -311,8 +311,6 @@ func NewApplicationWithConfig(t testing.TB, cfg chainlink.GeneralConfig, flagsAn
 		auditLogger = audit.NoopLogger
 	}
 
-	var eventBroadcaster pg.EventBroadcaster = pg.NewNullEventBroadcaster()
-
 	url := cfg.Database().URL()
 	db, err := pg.NewConnection(url.String(), cfg.Database().Dialect(), cfg.Database())
 	require.NoError(t, err)
@@ -329,8 +327,6 @@ func NewApplicationWithConfig(t testing.TB, cfg chainlink.GeneralConfig, flagsAn
 			ethClient = dep
 		case webhook.ExternalInitiatorManager:
 			externalInitiatorManager = dep
-		case pg.EventBroadcaster:
-			eventBroadcaster = dep
 		default:
 			switch flag {
 			case UseRealExternalInitiatorManager:
@@ -415,7 +411,6 @@ func NewApplicationWithConfig(t testing.TB, cfg chainlink.GeneralConfig, flagsAn
 	c := clhttptest.NewTestLocalOnlyHTTPClient()
 	appInstance, err := chainlink.NewApplication(chainlink.ApplicationOpts{
 		Config:                     cfg,
-		EventBroadcaster:           eventBroadcaster,
 		MailMon:                    mailMon,
 		SqlxDB:                     db,
 		KeyStore:                   keyStore,

core/internal/cltest/simulated_backend.go

@@ -7,7 +7,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
 	"github.com/ethereum/go-ethereum/core"
-	"github.com/google/uuid"
 	"github.com/stretchr/testify/require"
 
 	"github.com/smartcontractkit/chainlink/v2/core/chains/evm/client"
@@ -16,7 +15,6 @@ import (
 	"github.com/smartcontractkit/chainlink/v2/core/internal/testutils/evmtest"
 	"github.com/smartcontractkit/chainlink/v2/core/logger"
 	"github.com/smartcontractkit/chainlink/v2/core/services/chainlink"
-	"github.com/smartcontractkit/chainlink/v2/core/services/pg"
 )
 
 func NewSimulatedBackend(t *testing.T, alloc core.GenesisAlloc, gasLimit uint32) *backends.SimulatedBackend {
@@ -41,9 +39,8 @@ func NewApplicationWithConfigV2OnSimulatedBlockchain(
 	require.Zero(t, evmtest.MustGetDefaultChainID(t, cfg.EVMConfigs()).Cmp(testutils.SimulatedChainID))
 	chainID := big.New(testutils.SimulatedChainID)
 	client := client.NewSimulatedBackendClient(t, backend, testutils.SimulatedChainID)
-	eventBroadcaster := pg.NewEventBroadcaster(cfg.Database().URL(), 0, 0, logger.TestLogger(t), uuid.New())
 
-	flagsAndDeps = append(flagsAndDeps, client, eventBroadcaster, chainID)
+	flagsAndDeps = append(flagsAndDeps, client, chainID)
 
 	//  app.Stop() will call client.Close on the simulated backend
 	app := NewApplicationWithConfig(t, cfg, flagsAndDeps...)
@@ -66,9 +63,8 @@ func NewApplicationWithConfigV2AndKeyOnSimulatedBlockchain(
 	require.Zero(t, evmtest.MustGetDefaultChainID(t, cfg.EVMConfigs()).Cmp(testutils.SimulatedChainID))
 	chainID := big.New(testutils.SimulatedChainID)
 	client := client.NewSimulatedBackendClient(t, backend, testutils.SimulatedChainID)
-	eventBroadcaster := pg.NewEventBroadcaster(cfg.Database().URL(), 0, 0, logger.TestLogger(t), uuid.New())
 
-	flagsAndDeps = append(flagsAndDeps, client, eventBroadcaster, chainID)
+	flagsAndDeps = append(flagsAndDeps, client, chainID)
 
 	//  app.Stop() will call client.Close on the simulated backend
 	return NewApplicationWithConfigAndKey(t, cfg, flagsAndDeps...)

core/services/chainlink/application.go

@@ -116,7 +116,6 @@ type Application interface {
 // in the services package, but the Store has its own package.
 type ChainlinkApplication struct {
 	relayers                 *CoreRelayerChainInteroperators
-	EventBroadcaster         pg.EventBroadcaster
 	jobORM                   job.ORM
 	jobSpawner               job.Spawner
 	pipelineORM              pipeline.ORM
@@ -150,7 +149,6 @@ type ChainlinkApplication struct {
 type ApplicationOpts struct {
 	Config                     GeneralConfig
 	Logger                     logger.Logger
-	EventBroadcaster           pg.EventBroadcaster
 	MailMon                    *mailbox.Monitor
 	SqlxDB                     *sqlx.DB
 	KeyStore                   keystore.Master
@@ -178,7 +176,6 @@ func NewApplication(opts ApplicationOpts) (Application, error) {
 	db := opts.SqlxDB
 	cfg := opts.Config
 	relayerChainInterops := opts.RelayerChainInteroperators
-	eventBroadcaster := opts.EventBroadcaster
 	mailMon := opts.MailMon
 	externalInitiatorManager := opts.ExternalInitiatorManager
 	globalLogger := logger.Sugared(opts.Logger)
@@ -254,7 +251,7 @@ func NewApplication(opts ApplicationOpts) (Application, error) {
 		return nil, fmt.Errorf("no evm chains found")
 	}
 
-	srvcs = append(srvcs, eventBroadcaster, mailMon)
+	srvcs = append(srvcs, mailMon)
 	srvcs = append(srvcs, relayerChainInterops.Services()...)
 	promReporter := promreporter.NewPromReporter(db.DB, legacyEVMChains, globalLogger)
 	srvcs = append(srvcs, promReporter)
@@ -480,7 +477,6 @@ func NewApplication(opts ApplicationOpts) (Application, error) {
 
 	return &ChainlinkApplication{
 		relayers:                 opts.RelayerChainInteroperators,
-		EventBroadcaster:         eventBroadcaster,
 		jobORM:                   jobORM,
 		jobSpawner:               jobSpawner,
 		pipelineRunner:           pipelineRunner,
@@ -809,10 +805,6 @@ func (app *ChainlinkApplication) GetRelayers() RelayerChainInteroperators {
 	return app.relayers
 }
 
-func (app *ChainlinkApplication) GetEventBroadcaster() pg.EventBroadcaster {
-	return app.EventBroadcaster
-}
-
 func (app *ChainlinkApplication) GetSqlxDB() *sqlx.DB {
 	return app.sqlxDB
 }