Mweb enhancements 4 (#1768)

* [skip-ci] show mweb confirmations, show last mweb balance while syncing

* potential send-all fix

* [skip-ci] undo fix that didn't work

* [skip-ci] undo unnecessary changes

* [skip ci] add export mweb logs screen

* [skip ci] cleanup

* confirmation fixes

* catch electrum call errors

* [skip ci] undo some changes

* potential electrum fixes + mweb logs display only last 10000 characters

* Add question mark and link to MWEB card

* updates

* show negative unconfirmed mweb balanaces + other fixes [skip ci]

* error handling

* [skip ci] [wip] check if node supports mweb

* check fee before building tx

* [skip ci] minor

* [skip ci] minor

* mweb node setting [wip] [skip ci]

* prioritize mweb coins when selecting inputs from the pool

* potential connection edgecase fix

* translations + mweb node fixes

* don't use mweb for exchange refund address

* add peg in / out labels and make 6 confs only show up for peg in / out

* bump bitcoin_base version to v9

* [skip ci] fix logs page

* don't fetch txinfo for non-mweb addresses [skip ci]

* fix non-mweb confirmations

* rename always scan to enable mweb

* Update litecoin_wallet_addresses.dart

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

* Update cw_mweb.dart

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

* [skip ci] review updates pt.1

* [skip ci] minor code cleanup

* [skip ci] use exception handler

* exception handling [skip ci]

* [skip ci] exception handling

* trigger build

* pegout label fixes

* fix showing change transactions on peg-out

* minor code cleanup and minor peg-out fix

* final balance fixes

* non-mweb confirmations potential fix

* [skip ci] wip

* trigger build

---------

Co-authored-by: tuxpizza <tuxsudo@tux.pizza>
Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

lib/store/settings_store.dart

@@ -120,6 +120,7 @@ abstract class SettingsStoreBase with Store {
       required this.mwebCardDisplay,
       required this.mwebEnabled,
       required this.hasEnabledMwebBefore,
+      required this.mwebNodeUri,
       TransactionPriority? initialBitcoinTransactionPriority,
       TransactionPriority? initialMoneroTransactionPriority,
       TransactionPriority? initialWowneroTransactionPriority,
@@ -358,8 +359,8 @@ abstract class SettingsStoreBase with Store {
 
     reaction(
         (_) => bitcoinSeedType,
-        (BitcoinSeedType bitcoinSeedType) => sharedPreferences.setInt(
-            PreferencesKey.bitcoinSeedType, bitcoinSeedType.raw));
+        (BitcoinSeedType bitcoinSeedType) =>
+            sharedPreferences.setInt(PreferencesKey.bitcoinSeedType, bitcoinSeedType.raw));
 
     reaction(
         (_) => nanoSeedType,
@@ -442,8 +443,10 @@ abstract class SettingsStoreBase with Store {
     reaction((_) => useTronGrid,
         (bool useTronGrid) => _sharedPreferences.setBool(PreferencesKey.useTronGrid, useTronGrid));
 
-    reaction((_) => useMempoolFeeAPI,
-        (bool useMempoolFeeAPI) => _sharedPreferences.setBool(PreferencesKey.useMempoolFeeAPI, useMempoolFeeAPI));
+    reaction(
+        (_) => useMempoolFeeAPI,
+        (bool useMempoolFeeAPI) =>
+            _sharedPreferences.setBool(PreferencesKey.useMempoolFeeAPI, useMempoolFeeAPI));
 
     reaction((_) => defaultNanoRep,
         (String nanoRep) => _sharedPreferences.setString(PreferencesKey.defaultNanoRep, nanoRep));
@@ -591,6 +594,11 @@ abstract class SettingsStoreBase with Store {
         (bool hasEnabledMwebBefore) =>
             _sharedPreferences.setBool(PreferencesKey.hasEnabledMwebBefore, hasEnabledMwebBefore));
 
+    reaction(
+        (_) => mwebNodeUri,
+        (String mwebNodeUri) =>
+            _sharedPreferences.setString(PreferencesKey.mwebNodeUri, mwebNodeUri));
+
     this.nodes.observe((change) {
       if (change.newValue != null && change.key != null) {
         _saveCurrentNode(change.newValue!, change.key!);
@@ -822,6 +830,9 @@ abstract class SettingsStoreBase with Store {
   @observable
   bool hasEnabledMwebBefore;
 
+  @observable
+  String mwebNodeUri;
+
   final SecureStorage _secureStorage;
   final SharedPreferences _sharedPreferences;
   final BackgroundTasks _backgroundTasks;
@@ -988,6 +999,8 @@ abstract class SettingsStoreBase with Store {
     final mwebEnabled = sharedPreferences.getBool(PreferencesKey.mwebEnabled) ?? false;
     final hasEnabledMwebBefore =
         sharedPreferences.getBool(PreferencesKey.hasEnabledMwebBefore) ?? false;
+    final mwebNodeUri = sharedPreferences.getString(PreferencesKey.mwebNodeUri) ??
+        "ltc-electrum.cakewallet.com:9333";
 
     // If no value
     if (pinLength == null || pinLength == 0) {
@@ -1259,6 +1272,7 @@ abstract class SettingsStoreBase with Store {
       mwebAlwaysScan: mwebAlwaysScan,
       mwebCardDisplay: mwebCardDisplay,
       mwebEnabled: mwebEnabled,
+      mwebNodeUri: mwebNodeUri,
       hasEnabledMwebBefore: hasEnabledMwebBefore,
       initialMoneroTransactionPriority: moneroTransactionPriority,
       initialWowneroTransactionPriority: wowneroTransactionPriority,
@@ -1686,7 +1700,8 @@ abstract class SettingsStoreBase with Store {
         deviceName = windowsInfo.productName;
       } catch (e) {
         print(e);
-        print('likely digitalProductId is null wait till https://github.com/fluttercommunity/plus_plugins/pull/3188 is merged');
+        print(
+            'likely digitalProductId is null wait till https://github.com/fluttercommunity/plus_plugins/pull/3188 is merged');
         deviceName = "Windows Device";
       }
     }