discovery: +invoke url

api/gateway/chain/internal/service/gateway/options.go

@@ -83,3 +83,10 @@ func WithSettings(settings CacheSettings) Option {
 		s.settings = settings.withDefaults()
 	}
 }
+
+// WithDiscoveryInvokeURI sets the invoke URI used when announcing the gateway.
+func WithDiscoveryInvokeURI(invokeURI string) Option {
+	return func(s *Service) {
+		s.invokeURI = strings.TrimSpace(invokeURI)
+	}
+}

api/gateway/chain/internal/service/gateway/service.go

@@ -51,6 +51,7 @@ type Service struct {
 	drivers         *drivers.Registry
 	commands        commands.Registry
 	announcers      []*discovery.Announcer
+	invokeURI       string
 
 	connectorv1.UnimplementedConnectorServiceServer
 }
@@ -209,7 +210,7 @@ func (s *Service) startDiscoveryAnnouncers() {
 			Network:    network.Name,
 			Operations: []string{"balance.read", "payin.crypto", "payout.crypto", "fee.send"},
 			Currencies: currencies,
-			InvokeURI:  discovery.DefaultInvokeURI(string(mservice.ChainGateway)),
+			InvokeURI:  s.invokeURI,
 			Version:    version,
 		}
 		announcer := discovery.NewAnnouncer(s.logger, s.producer, string(mservice.ChainGateway), announce)