Disable classic relay and prevent node from attempting to connect to feed

Author: joshuacolvin0

packages/arb-node-core/cmd/arb-relay/arb-relay.go

@@ -70,9 +70,18 @@ func main() {
 	// Print line number that log was created on
 	logger = arblog.Logger.With().Str("component", "arb-relay").Logger()
 
-	if err := startup(); err != nil {
-		logger.Error().Err(err).Msg("Error running relay")
+	logger.Info().Msg("Classic Arbitrum sequencer no longer running, so feed is nonexistent")
+	logger.Info().Msg("Sleeping forever")
+	for {
+		// Sleep forever
+		select {}
 	}
+
+	/*
+		if err := startup(); err != nil {
+			logger.Error().Err(err).Msg("Error running relay")
+		}
+	*/
 }
 
 func startup() error {

packages/arb-util/configuration/configuration.go

@@ -824,6 +824,11 @@ func ParseNonRelay(ctx context.Context, f *flag.FlagSet, defaultWalletPathname s
 		return nil, nil, nil, nil, errors.New("can't create validator wallet contract with watchtower validator strategy")
 	}
 
+	if len(out.Feed.Input.URLs) > 0 {
+		logger.Info().Msg("Classic Arbitrum sequencer no longer running, so feed is nonexistent")
+		out.Feed.Input.URLs = []string{}
+	}
+
 	return out, wallet, l1Client, l1ChainId, nil
 }