remove imported accounts when forgetting device

src/actions/AccountsActions.js

@@ -102,7 +102,7 @@ export const importAddress = (
             type: ACCOUNT.CREATE,
             payload,
         });
-        dispatch(LocalStorageActions.setImportedAccount(payload));
+        LocalStorageActions.setImportedAccount(payload);
         dispatch({
             type: NOTIFICATION.ADD,
             payload: {

src/actions/LocalStorageActions.js

@@ -323,8 +323,8 @@ export const setLocalCurrency = (): ThunkAction => (
     storageUtils.set(TYPE, KEY_LOCAL_CURRENCY, JSON.stringify(localCurrency));
 };
 
-export const setImportedAccount = (account: Account): ThunkAction => (): void => {
-    const prevImportedAccounts: ?string = JSON.parse(storageUtils.get(TYPE, KEY_IMPORTED_ACCOUNTS));
+export const setImportedAccount = (account: Account): void => {
+    const prevImportedAccounts: ?Array<Account> = getImportedAccounts();
     let importedAccounts = [account];
     if (prevImportedAccounts) {
         importedAccounts = importedAccounts.concat(prevImportedAccounts);
@@ -332,10 +332,23 @@ export const setImportedAccount = (account: Account): ThunkAction => (): void =>
     storageUtils.set(TYPE, KEY_IMPORTED_ACCOUNTS, JSON.stringify(importedAccounts));
 };
 
-export const getImportedAccounts = (): Array<Account> => {
+export const getImportedAccounts = (): ?Array<Account> => {
     const importedAccounts: ?string = storageUtils.get(TYPE, KEY_IMPORTED_ACCOUNTS);
     if (importedAccounts) {
         return JSON.parse(importedAccounts);
     }
     return importedAccounts;
 };
+
+export const removeImportedAccounts = (device: TrezorDevice): void => {
+    const importedAccounts: ?Array<Account> = getImportedAccounts();
+    if (!importedAccounts) return;
+
+    const filteredImportedAccounts = importedAccounts.filter(
+        account => account.deviceState !== device.state
+    );
+    storageUtils.remove(TYPE, KEY_IMPORTED_ACCOUNTS);
+    filteredImportedAccounts.forEach(account => {
+        setImportedAccount(account);
+    });
+};

src/services/LocalStorageService.js

@@ -58,6 +58,10 @@ const LocalStorageService: Middleware = (api: MiddlewareAPI) => (next: Middlewar
         case CONNECT.FORGET:
         case CONNECT.FORGET_SINGLE:
         case CONNECT.FORGET_SILENT:
+            api.dispatch(LocalStorageActions.save());
+            LocalStorageActions.removeImportedAccounts(action.device);
+            break;
+
         case CONNECT.RECEIVE_WALLET_TYPE:
         case DEVICE.CHANGED:
         case DEVICE.DISCONNECT: