Node Auto-reconnect and connectivity enhancements (#1513)

* Add auto-reconnect
Enhance connectivity issues

* minor enhancement [skip ci]

* minor: remove core secrets since it's empty

* pending transactions fix

* temporary fix for RBF

* remove unused hashes from cache key

* fix minimum limits check

* Add authentication to services api

* update polyseed

* override hashlib package

lib/bitcoin/cw_bitcoin.dart

@@ -438,7 +438,7 @@ class CWBitcoin extends Bitcoin {
   @override
   int getMaxCustomFeeRate(Object wallet) {
     final bitcoinWallet = wallet as ElectrumWallet;
-    return (bitcoinWallet.feeRate(BitcoinTransactionPriority.fast) * 1.1).round();
+    return (bitcoinWallet.feeRate(BitcoinTransactionPriority.fast) * 10).round();
   }
 
   @override

lib/entities/default_settings_migration.dart

@@ -242,6 +242,7 @@ Future<void> defaultSettingsMigration(
           await fixBtcDerivationPaths(walletInfoSource);
           break;
         case 39:
+          _fixNodesUseSSLFlag(nodes);
           await changeDefaultNanoNode(nodes, sharedPreferences);
           break;
         default:
@@ -258,6 +259,17 @@ Future<void> defaultSettingsMigration(
   await sharedPreferences.setInt(PreferencesKey.currentDefaultSettingsMigrationVersion, version);
 }
 
+void _fixNodesUseSSLFlag(Box<Node> nodes) {
+  for (Node node in nodes.values) {
+    switch (node.uriRaw) {
+      case cakeWalletLitecoinElectrumUri:
+      case cakeWalletBitcoinElectrumUri:
+        node.useSSL = true;
+        break;
+    }
+  }
+}
+
 Future<void> updateNanoNodeList({required Box<Node> nodes}) async {
   final nodeList = await loadDefaultNanoNodes();
   var listOfNewEndpoints = <String>[

lib/src/screens/ionia/auth/ionia_create_account_page.dart

@@ -1,163 +0,0 @@
-import 'package:cake_wallet/themes/extensions/cake_text_theme.dart';
-import 'package:cake_wallet/core/email_validator.dart';
-import 'package:cake_wallet/ionia/ionia_create_state.dart';
-import 'package:cake_wallet/routes.dart';
-import 'package:cake_wallet/src/screens/base_page.dart';
-import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
-import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
-import 'package:cake_wallet/src/widgets/primary_button.dart';
-import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
-import 'package:cake_wallet/typography.dart';
-import 'package:cake_wallet/utils/show_pop_up.dart';
-import 'package:cake_wallet/view_model/ionia/ionia_auth_view_model.dart';
-import 'package:flutter/gestures.dart';
-import 'package:flutter/material.dart';
-import 'package:cake_wallet/generated/i18n.dart';
-import 'package:flutter_mobx/flutter_mobx.dart';
-import 'package:mobx/mobx.dart';
-import 'package:url_launcher/url_launcher.dart';
-
-class IoniaCreateAccountPage extends BasePage {
-  IoniaCreateAccountPage(this._authViewModel)
-      : _emailFocus = FocusNode(),
-        _emailController = TextEditingController(),
-        _formKey = GlobalKey<FormState>() {
-    _emailController.text = _authViewModel.email;
-    _emailController.addListener(() => _authViewModel.email = _emailController.text);
-  }
-
-  final IoniaAuthViewModel _authViewModel;
-
-  final GlobalKey<FormState> _formKey;
-
-  final FocusNode _emailFocus;
-  final TextEditingController _emailController;
-
-  static const privacyPolicyUrl = 'https://ionia.docsend.com/view/jhjvdn7qq7k3ukwt';
-  static const termsAndConditionsUrl = 'https://ionia.docsend.com/view/uceirymz2ijacq5g';
-
-  @override
-  Widget middle(BuildContext context) {
-    return Text(
-      S.current.sign_up,
-      style: textMediumSemiBold(
-        color: Theme.of(context).extension<CakeTextTheme>()!.titleColor,
-      ),
-    );
-  }
-
-  @override
-  Widget body(BuildContext context) {
-    reaction((_) => _authViewModel.createUserState, (IoniaCreateAccountState state) {
-      if (state is IoniaCreateStateFailure) {
-        _onCreateUserFailure(context, state.error);
-      }
-      if (state is IoniaCreateStateSuccess) {
-        _onCreateSuccessful(context, _authViewModel);
-      }
-    });
-
-    return ScrollableWithBottomSection(
-      contentPadding: EdgeInsets.all(24),
-      content: Form(
-        key: _formKey,
-        child: BaseTextFormField(
-          hintText: S.of(context).email_address,
-          focusNode: _emailFocus,
-          validator: EmailValidator(),
-          keyboardType: TextInputType.emailAddress,
-          controller: _emailController,
-          onSubmit: (_) => _createAccount(),
-        ),
-      ),
-      bottomSectionPadding: EdgeInsets.symmetric(vertical: 36, horizontal: 24),
-      bottomSection: Column(
-        children: [
-          Column(
-            mainAxisAlignment: MainAxisAlignment.end,
-            children: <Widget>[
-              Observer(
-                builder: (_) => LoadingPrimaryButton(
-                  text: S.of(context).create_account,
-                  onPressed: _createAccount,
-                  isLoading:
-                      _authViewModel.createUserState is IoniaCreateStateLoading,
-                  color: Theme.of(context).primaryColor,
-                  textColor: Colors.white,
-                ),
-              ),
-              SizedBox(
-                height: 20,
-              ),
-              RichText(
-                textAlign: TextAlign.center,
-                text: TextSpan(
-                  text: S.of(context).agree_to,
-                  style: TextStyle(
-                    color: Color(0xff7A93BA),
-                    fontSize: 12,
-                    fontFamily: 'Lato',
-                  ),
-                  children: [
-                    TextSpan(
-                      text: S.of(context).settings_terms_and_conditions,
-                      style: TextStyle(
-                        color: Theme.of(context).primaryColor,
-                        fontWeight: FontWeight.w700,
-                      ),
-                      recognizer: TapGestureRecognizer()
-                        ..onTap = () async {
-                          final uri = Uri.parse(termsAndConditionsUrl);
-                          if (await canLaunchUrl(uri))
-                            await launchUrl(uri, mode: LaunchMode.externalApplication);
-                        },
-                    ),
-                    TextSpan(text: ' ${S.of(context).and} '),
-                    TextSpan(
-                        text: S.of(context).privacy_policy,
-                        style: TextStyle(
-                          color: Theme.of(context).primaryColor,
-                          fontWeight: FontWeight.w700,
-                        ),
-                        recognizer: TapGestureRecognizer()
-                          ..onTap = () async {
-                            final uri = Uri.parse(privacyPolicyUrl);
-                            if (await canLaunchUrl(uri))
-                              await launchUrl(uri, mode: LaunchMode.externalApplication);
-                          }),
-                    TextSpan(text: ' ${S.of(context).by_cake_pay}'),
-                  ],
-                ),
-              ),
-            ],
-          ),
-        ],
-      ),
-    );
-  }
-
-  void _onCreateUserFailure(BuildContext context, String error) {
-    showPopUp<void>(
-        context: context,
-        builder: (BuildContext context) {
-          return AlertWithOneAction(
-              alertTitle: S.current.create_account,
-              alertContent: error,
-              buttonText: S.of(context).ok,
-              buttonAction: () => Navigator.of(context).pop());
-        });
-  }
-
-  void _onCreateSuccessful(BuildContext context, IoniaAuthViewModel authViewModel) => Navigator.pushNamed(
-        context,
-        Routes.ioniaVerifyIoniaOtpPage,
-        arguments: [authViewModel.email, false],
-      );
-
-  void _createAccount() async {
-    if (_formKey.currentState != null && !_formKey.currentState!.validate()) {
-      return;
-    }
-    await _authViewModel.createUser(_emailController.text);
-  }
-}

lib/view_model/dashboard/dashboard_view_model.dart

@@ -48,6 +48,7 @@ import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:http/http.dart' as http;
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
 
 part 'dashboard_view_model.g.dart';
 
@@ -375,7 +376,8 @@ abstract class DashboardViewModelBase with Store {
         .toList();
   }
 
-  bool get hasSellProviders => ProvidersHelper.getAvailableSellProviderTypes(wallet.type).isNotEmpty;
+  bool get hasSellProviders =>
+      ProvidersHelper.getAvailableSellProviderTypes(wallet.type).isNotEmpty;
 
   bool get shouldShowYatPopup => settingsStore.shouldShowYatPopup;
 
@@ -534,8 +536,11 @@ abstract class DashboardViewModelBase with Store {
   void setSyncAll(bool value) => settingsStore.currentSyncAll = value;
 
   Future<List<String>> checkForHavenWallets() async {
-    final walletInfoSource = await CakeHive.openBox<WalletInfo>(WalletInfo.boxName); 
-    return walletInfoSource.values.where((element) => element.type == WalletType.haven).map((e) => e.name).toList();
+    final walletInfoSource = await CakeHive.openBox<WalletInfo>(WalletInfo.boxName);
+    return walletInfoSource.values
+        .where((element) => element.type == WalletType.haven)
+        .map((e) => e.name)
+        .toList();
   }
 
   Future<List<String>> checkAffectedWallets() async {
@@ -576,29 +581,34 @@ abstract class DashboardViewModelBase with Store {
   Future<ServicesResponse> getServicesStatus() async {
     try {
       if (isEnabledBulletinAction) {
-          final res = await http.get(Uri.parse("https://service-api.cakewallet.com/v1/active-notices"));
+        final uri = Uri.https(
+          "service-api.cakewallet.com",
+          "/v1/active-notices",
+          {'key': secrets.fiatApiKey},
+        );
 
-          if (res.statusCode < 200 || res.statusCode >= 300) {
-            throw res.body;
-          }
+        final res = await http.get(uri);
 
-          final oldSha = sharedPreferences.getString(PreferencesKey.serviceStatusShaKey);
-
-          final hash = await Cryptography.instance.sha256().hash(utf8.encode(res.body));
-          final currentSha = bytesToHex(hash.bytes);
-
-          final hasUpdates = oldSha != currentSha;
-
-          return ServicesResponse.fromJson(
-            json.decode(res.body) as Map<String, dynamic>,
-            hasUpdates,
-            currentSha,
-          );
-      }
-      else {
-          return ServicesResponse([], false, '');
+        if (res.statusCode < 200 || res.statusCode >= 300) {
+          throw res.body;
         }
-    } catch (_) {
+
+        final oldSha = sharedPreferences.getString(PreferencesKey.serviceStatusShaKey);
+
+        final hash = await Cryptography.instance.sha256().hash(utf8.encode(res.body));
+        final currentSha = bytesToHex(hash.bytes);
+
+        final hasUpdates = oldSha != currentSha;
+
+        return ServicesResponse.fromJson(
+          json.decode(res.body) as Map<String, dynamic>,
+          hasUpdates,
+          currentSha,
+        );
+      } else {
+        return ServicesResponse([], false, '');
+      }
+    } catch (e) {
       return ServicesResponse([], false, '');
     }
   }

lib/view_model/exchange/exchange_view_model.dart

@@ -508,7 +508,7 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
         if (limitsState is LimitsLoadedSuccessfully) {
           if (double.tryParse(amount) == null) continue;
 
-          if (limits.max != null && double.parse(amount) < limits.min!)
+          if (limits.min != null && double.parse(amount) < limits.min!)
             continue;
           else if (limits.max != null && double.parse(amount) > limits.max!)
             continue;