Handle deletion of active account

lib/account_manager.dart

@@ -28,6 +28,12 @@ class AccountManagerState extends State<AccountManagerPage> {
     showAboutOnce(this.context);
   }
 
+  @override
+  void dispose() {
+    active.updateAccount();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);

lib/accounts.dart

@@ -110,10 +110,9 @@ abstract class _AccountManager2 with Store {
 class ActiveAccount = _ActiveAccount with _$ActiveAccount;
 
 abstract class _ActiveAccount with Store {
-  @observable
-  int dataEpoch = 0;
+  @observable int dataEpoch = 0;
 
-  int coin = 0;
+  @observable int coin = 0;
   int id = 0;
 
   Account account = emptyAccount;
@@ -158,6 +157,7 @@ abstract class _ActiveAccount with Store {
 
   @action
   Future<void> setActiveAccount(int _coin, int _id) async {
+    print("setActiveAccount $_coin $_id");
     coin = _coin;
     id = _id;
     accounts.saveActive(coin, id);
@@ -189,6 +189,13 @@ abstract class _ActiveAccount with Store {
     await priceStore.updateChart();
   }
 
+  @action
+  Future<void> updateAccount() async {
+    final a = accounts.get(coin, id);
+    if (a.id != active.id)
+      await setActiveAccount(a.coin, a.id);
+  }
+
   @action
   void toggleShowTAddr() {
     showTAddr = !showTAddr;

lib/home.dart

@@ -9,6 +9,7 @@ import 'package:warp_api/warp_api.dart';
 import 'about.dart';
 import 'account.dart';
 import 'account_manager.dart';
+import 'accounts.dart';
 import 'budget.dart';
 import 'contact.dart';
 import 'history.dart';
@@ -65,6 +66,7 @@ class HomeState extends State<HomePage> {
   @override
   Widget build(BuildContext context) => Observer(builder: (context) {
         final _simpleMode = settings.simpleMode;
+        final _dataEpoch = active.dataEpoch;
         final key = UniqueKey();
         return HomeInnerPage(key: key);
       });