refactor Ud ratio compute

lib/globals.dart

@@ -48,3 +48,5 @@ String currencyName = 'ĞD';
 const debugPin = true;
 
 String indexerEndpoint = '';
+late double balanceRatio;
+late int udValue;

lib/providers/home.dart

@@ -13,6 +13,7 @@ import 'package:gecko/globals.dart';
 import 'package:gecko/models/wallet_data.dart';
 import 'package:gecko/models/widgets_keys.dart';
 import 'package:gecko/providers/my_wallets.dart';
+import 'package:gecko/providers/substrate_sdk.dart';
 import 'package:gecko/providers/wallet_options.dart';
 import 'package:gecko/providers/wallets_profiles.dart';
 import 'package:gecko/screens/myWallets/unlocking_wallet.dart';
@@ -64,10 +65,12 @@ class HomeProvider with ChangeNotifier {
     }
   }
 
-  Future changeCurrencyUnit() async {
+  Future changeCurrencyUnit(BuildContext context) async {
+    final sub = Provider.of<SubstrateSdk>(context, listen: false);
     final bool isUdUnit = configBox.get('isUdUnit') ?? false;
     await configBox.put('isUdUnit', !isUdUnit);
     balanceCache = {};
+    sub.getBalanceRatio();
     notifyListeners();
   }
 

lib/providers/substrate_sdk.dart

@@ -160,6 +160,13 @@ class SubstrateSdk with ChangeNotifier {
     return udValue;
   }
 
+  Future<double> getBalanceRatio() async {
+    udValue = await getUdValue();
+    balanceRatio =
+        (configBox.get('isUdUnit') ?? false) ? round(udValue / 100, 6) : 1;
+    return balanceRatio;
+  }
+
   Future<Map<String, double>> getBalance(String address) async {
     // log.d('currencyParameters: $currencyParameters');
 
@@ -192,10 +199,6 @@ class SubstrateSdk with ChangeNotifier {
     final int transferableBalance =
         (balanceGlobal['data']['free'] + unclaimedUds);
 
-    final bool isUdUnit = configBox.get('isUdUnit') ?? false;
-    final udValue = await getUdValue();
-    final double balanceRatio = isUdUnit ? round(udValue / 1000, 6) : 1;
-
     // log.d('udValue: $udValue');
 
     Map<String, double> finalBalances = {
@@ -428,6 +431,8 @@ class SubstrateSdk with ChangeNotifier {
       });
 
       await initCurrencyParameters();
+      await getBalanceRatio();
+
       notifyListeners();
       homeProvider.changeMessage(
           "wellConnectedToNode"
@@ -691,7 +696,6 @@ class SubstrateSdk with ChangeNotifier {
       required double amount,
       required String password}) async {
     transactionStatus = '';
-    final int amountUnit = (amount * 100).toInt();
 
     final sender = await _setSender(fromAddress);
 
@@ -710,12 +714,15 @@ class SubstrateSdk with ChangeNotifier {
       txOptions = [destAddress, false];
       tx2 = 'api.tx.balances.transferAll("$destAddress", false)';
     } else {
+      int amountUnit;
       if (isUdUnit) {
         palette = 'universalDividend';
         call = 'transferUd';
+        amountUnit = (amount * 1000).toInt();
       } else {
         palette = 'balances';
         call = 'transferKeepAlive';
+        amountUnit = (amount * 100).toInt();
       }
       txOptions = [destAddress, amountUnit];
       tx2 = 'api.tx.$palette.$call("$destAddress", $amountUnit)';

lib/screens/activity.dart

@@ -281,7 +281,7 @@ class ActivityScreen extends StatelessWidget with ChangeNotifier {
       amount = repository[4] == 'RECEIVED' ? repository[3] : repository[3] * -1;
 
       if (isUdUnit) {
-        amount = round(amount / (sub.udValue / 1000));
+        amount = round(amount / balanceRatio);
         finalAmount = 'ud'.tr(args: ['$amount ']);
       } else {
         finalAmount = '$amount $currencyName';

lib/screens/settings.dart

@@ -85,7 +85,7 @@ class SettingsScreen extends StatelessWidget {
     return InkWell(
       key: keyUdUnit,
       onTap: () async {
-        await homeProvider.changeCurrencyUnit();
+        await homeProvider.changeCurrencyUnit(context);
       },
       child: SizedBox(
         height: 50,

lib/screens/wallet_view.dart

@@ -398,7 +398,6 @@ void paymentPopup(BuildContext context, String toAddress) {
 
   final myWalletProvider =
       Provider.of<MyWalletsProvider>(context, listen: false);
-  final sub = Provider.of<SubstrateSdk>(context, listen: false);
 
   const double shapeSize = 20;
   WalletData? defaultWallet = myWalletProvider.getDefaultWallet();
@@ -406,10 +405,6 @@ void paymentPopup(BuildContext context, String toAddress) {
 
   bool canValidate = false;
 
-  final bool isUdUnit = configBox.get('isUdUnit') ?? false;
-  final udValue = sub.udValue;
-  final double balanceRatio = isUdUnit ? round(udValue / 1000, 6) : 1;
-
   final toWalletData = myWalletProvider.getWalletDataByAddress(toAddress);
 
   Future executeTransfert() async {