Always try to assert that saved network is the one which node was actually started

src/status_im/protocol/handlers.cljs

@@ -3,8 +3,9 @@
             [re-frame.core :as re-frame]
             [status-im.constants :as constants]
             [status-im.native-module.core :as status]
+            [status-im.utils.utils :as utils]
             [status-im.utils.datetime :as datetime]
-            [status-im.utils.ethereum.core :as utils]
+            [status-im.utils.ethereum.core :as ethereum-utils]
             [status-im.utils.handlers :as handlers]
             [status-im.utils.handlers-macro :as handlers-macro]
             [status-im.utils.web3-provider :as web3-provider]
@@ -36,6 +37,21 @@
  (fn []
    (status/init-jail)))
 
+(defn- assert-correct-network
+  [{:keys [db]}]
+  ;; Assure that node was started correctly
+  (let [{:keys [network web3]} db]
+    (when-let [network-id (str (get-in db [:account/account :networks network :config :NetworkId]))]
+      (when web3 ; necessary because of the unit tests
+        (.getNetwork (.-version web3)
+                     (fn [error fetched-network-id]
+                       (when (and (not error) ; error most probably means we are offline
+                                  (not= network-id fetched-network-id))
+                         (utils/show-popup
+                          "Ethereum node started incorrectly"
+                          "Ethereum node was started with incorrect configuration, application will be stopped to recover from that condition."
+                          #(re-frame/dispatch [:close-application])))))))))
+
 (defn initialize-protocol
   [{:data-store/keys [transport mailservers] :keys [db web3] :as cofx} [current-account-id ethereum-rpc-url]]
   (handlers-macro/merge-fx cofx
@@ -43,6 +59,7 @@
                                        :web3 web3
                                        :rpc-url (or ethereum-rpc-url constants/ethereum-rpc-url)
                                        :transport/chats transport)}
+                           (assert-correct-network)
                            (transport.inbox/initialize-offline-inbox mailservers)
                            (transport/init-whisper current-account-id)))
 ;;; INITIALIZE PROTOCOL
@@ -87,6 +104,6 @@
  :initialize-sync-listener
  (fn [{{:keys [sync-listening-started network account/account] :as db} :db} _]
    (when (and (not sync-listening-started)
-              (not (utils/network-with-upstream-rpc? (get-in account [:networks network]))))
+              (not (ethereum-utils/network-with-upstream-rpc? (get-in account [:networks network]))))
      {:db       (assoc db :sync-listening-started true)
       :dispatch [:check-sync]})))

src/status_im/ui/screens/network_settings/events.cljs

@@ -14,7 +14,7 @@
 ;; handlers
 
 (handlers/register-handler-fx
- ::close-application
+ :close-application
  (fn [_ _]
    {:close-application nil}))