UnifiedPushGatewayResolver.getGateway cannot return null.

libraries/pushproviders/unifiedpush/src/main/kotlin/io/element/android/libraries/pushproviders/unifiedpush/UnifiedPushGatewayResolver.kt

@@ -26,7 +26,7 @@ class UnifiedPushGatewayResolver @Inject constructor(
     private val unifiedPushApiFactory: UnifiedPushApiFactory,
     private val coroutineDispatchers: CoroutineDispatchers,
 ) {
-    suspend fun getGateway(endpoint: String): String? {
+    suspend fun getGateway(endpoint: String): String {
         val gateway = UnifiedPushConfig.DEFAULT_PUSH_GATEWAY_HTTP_URL
         try {
             val url = URL(endpoint)

libraries/pushproviders/unifiedpush/src/main/kotlin/io/element/android/libraries/pushproviders/unifiedpush/VectorUnifiedPushMessagingReceiver.kt

@@ -76,15 +76,6 @@ class VectorUnifiedPushMessagingReceiver : MessagingReceiver() {
         coroutineScope.launch {
             val gateway = unifiedPushGatewayResolver.getGateway(endpoint)
             unifiedPushStore.storePushGateway(gateway, instance)
-            if (gateway == null) {
-                Timber.tag(loggerTag.value).w("No gateway found for endpoint $endpoint")
-                endpointRegistrationHandler.registrationDone(
-                    RegistrationResult(
-                        clientSecret = instance,
-                        result = Result.failure(IllegalStateException("No gateway found for endpoint $endpoint")),
-                    )
-                )
-            } else {
             val result = newGatewayHandler.handle(endpoint, gateway, instance)
                 .onFailure {
                     Timber.tag(loggerTag.value).e(it, "Failed to handle new gateway")
@@ -99,7 +90,6 @@ class VectorUnifiedPushMessagingReceiver : MessagingReceiver() {
                 )
             )
         }
-        }
         guardServiceStarter.stop()
     }