add and use EpicBoxConfigModel and EpicBoxServerModel

lib/models/epicbox_config_model.dart

@@ -0,0 +1,118 @@
+import 'dart:convert';
+
+import 'package:hive/hive.dart';
+import 'package:stackwallet/models/epicbox_server_model.dart';
+
+part 'type_adaptors/epicbox_config_model.g.dart';
+
+// @HiveType(typeId: 72)
+class EpicBoxConfigModel {
+  // @HiveField(1)
+  final String host;
+  // @HiveField(2)
+  final int? port;
+  // @HiveField(3)
+  final bool? protocolInsecure;
+  // @HiveField(4)
+  final int? addressIndex;
+  // // @HiveField(5)
+  // final String? id;
+  // // @HiveField(6)
+  // final String? name;
+
+  EpicBoxConfigModel({
+    required this.host,
+    this.port,
+    this.protocolInsecure,
+    this.addressIndex,
+    // this.id,
+    // this.name,
+  });
+
+  EpicBoxConfigModel copyWith({
+    int? port,
+    bool? protocolInsecure,
+    int? addressIndex,
+    // String? id,
+    // String? name,
+  }) {
+    return EpicBoxConfigModel(
+      host: host,
+      port: this.port ?? 443,
+      protocolInsecure: this.protocolInsecure ?? false,
+      addressIndex: this.addressIndex ?? 0,
+      // id: id ?? this.id,
+      // name: name ?? this.name,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    Map<String, dynamic> map = {};
+    map['epicbox_domain'] = host;
+    map['epicbox_port'] = port;
+    map['epicbox_protocol_insecure'] = protocolInsecure;
+    map['epicbox_address_index'] = addressIndex;
+    // map['id'] = id;
+    // map['name'] = name;
+    return map;
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'epicbox_domain': host,
+      'epicbox_port': port,
+      'epicbox_protocol_insecure': protocolInsecure,
+      'epicbox_address_index': addressIndex,
+      // 'id': id,
+      // 'name': name,
+    };
+  }
+
+  @override
+  String toString() {
+    return json.encode(toJson());
+  }
+
+  static EpicBoxConfigModel fromString(String epicBoxConfigString) {
+    dynamic _epicBox = json.decode(epicBoxConfigString);
+
+    // handle old epicbox config formats
+    final oldDomain = _epicBox["domain"] ?? "empty";
+    if (oldDomain != "empty") {
+      _epicBox['epicbox_domain'] = _epicBox['domain'];
+    }
+    final oldPort = _epicBox["port"] ?? "empty";
+    if (oldPort != "empty") {
+      _epicBox['epicbox_port'] = _epicBox['port'];
+    }
+    final oldProtocolInsecure = _epicBox["protocol_insecur"] ?? "empty";
+    if (oldProtocolInsecure != "empty") {
+      _epicBox['epicbox_protocol_insecure'] = _epicBox['protocol_insecur'];
+    }
+    final oldAddressIndex = _epicBox["address_index"] ?? "empty";
+    if (oldAddressIndex != "empty") {
+      _epicBox['epicbox_address_index'] = _epicBox['address_index'];
+    }
+
+    return EpicBoxConfigModel(
+      host: _epicBox['epicbox_domain'] as String,
+      port: _epicBox['epicbox_port'] as int,
+      protocolInsecure: _epicBox['epicbox_protocol_insecure'] as bool,
+      addressIndex: _epicBox['epicbox_address_index'] as int,
+      // name: fields[5] as String,
+      // id: fields[6] as String,
+    );
+  }
+
+  static EpicBoxConfigModel fromServer(EpicBoxServerModel server,
+      {bool? protocolInsecure, int? addressIndex}) {
+    return EpicBoxConfigModel(
+      host: server.host,
+      port: server.port ?? 443,
+      protocolInsecure: protocolInsecure ?? false,
+      addressIndex: addressIndex ?? 0,
+      // name: fields[5] as String,
+      // id: fields[6] as String,
+    );
+  }
+}

lib/models/epicbox_server_model.dart

@@ -0,0 +1,83 @@
+import 'package:hive/hive.dart';
+
+part 'type_adaptors/epicbox_server_model.g.dart';
+
+// @HiveType(typeId: 71)
+class EpicBoxServerModel {
+  // @HiveField(0)
+  final String id;
+  // @HiveField(1)
+  final String host;
+  // @HiveField(2)
+  final int? port;
+  // @HiveField(3)
+  final String name;
+  // @HiveField(4)
+  final bool? useSSL;
+  // @HiveField(5)
+  final bool? enabled;
+  // @HiveField(6)
+  final bool? isFailover;
+  // @HiveField(7)
+  final bool? isDown;
+
+  EpicBoxServerModel({
+    required this.id,
+    required this.host,
+    this.port,
+    required this.name,
+    this.useSSL,
+    this.enabled,
+    this.isFailover,
+    this.isDown,
+  });
+
+  EpicBoxServerModel copyWith({
+    String? host,
+    int? port,
+    String? name,
+    bool? useSSL,
+    bool? enabled,
+    bool? isFailover,
+    bool? isDown,
+  }) {
+    return EpicBoxServerModel(
+      id: id,
+      host: host ?? this.host,
+      port: port ?? this.port,
+      name: name ?? this.name,
+      useSSL: useSSL ?? this.useSSL,
+      enabled: enabled ?? this.enabled,
+      isFailover: isFailover ?? this.isFailover,
+      isDown: isDown ?? this.isDown,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    Map<String, dynamic> map = {};
+    map['id'] = id;
+    map['host'] = host;
+    map['port'] = port;
+    map['name'] = name;
+    map['useSSL'] = useSSL;
+    map['enabled'] = enabled;
+    map['isFailover'] = isFailover;
+    map['isDown'] = isDown;
+    return map;
+  }
+
+  bool get isDefault => id.startsWith("default_");
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'host': host,
+      'port': port,
+      'name': name,
+      'useSSL': useSSL,
+      'enabled': enabled,
+      'isFailover': isFailover,
+      'isDown': isDown,
+    };
+  }
+}

lib/models/type_adaptors/epicbox_config_model.g.dart

@@ -0,0 +1,56 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of '../epicbox_config_model.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class EpicBoxConfigModelAdapter extends TypeAdapter<EpicBoxConfigModel> {
+  @override
+  final int typeId = 72;
+
+  @override
+  EpicBoxConfigModel read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return EpicBoxConfigModel(
+      host: fields[1] as String,
+      port: fields[2] as int,
+      protocolInsecure: fields[3] as bool,
+      addressIndex: fields[4] as int,
+      // name: fields[5] as String,
+      // id: fields[6] as String,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, EpicBoxConfigModel obj) {
+    writer
+      ..writeByte(4)
+      ..writeByte(0)
+      ..write(obj.host)
+      ..writeByte(1)
+      ..write(obj.port)
+      ..writeByte(2)
+      ..write(obj.protocolInsecure)
+      ..writeByte(3)
+      ..write(obj.addressIndex);
+    // ..writeByte(4)
+    // ..write(obj.id)
+    // ..writeByte(5)
+    // ..write(obj.name)
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is EpicBoxConfigModelAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}

lib/models/type_adaptors/epicbox_server_model.g.dart

@@ -0,0 +1,62 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of '../epicbox_server_model.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class EpicBoxServerModelAdapter extends TypeAdapter<EpicBoxServerModel> {
+  @override
+  final int typeId = 71;
+
+  @override
+  EpicBoxServerModel read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return EpicBoxServerModel(
+      host: fields[1] as String,
+      port: fields[2] as int,
+      name: fields[3] as String,
+      id: fields[0] as String,
+      useSSL: fields[4] as bool,
+      enabled: fields[5] as bool,
+      isFailover: fields[6] as bool,
+      isDown: fields[7] as bool,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, EpicBoxServerModel obj) {
+    writer
+      ..writeByte(8)
+      ..writeByte(0)
+      ..write(obj.id)
+      ..writeByte(1)
+      ..write(obj.host)
+      ..writeByte(2)
+      ..write(obj.port)
+      ..writeByte(3)
+      ..write(obj.name)
+      ..writeByte(4)
+      ..write(obj.useSSL)
+      ..writeByte(5)
+      ..write(obj.enabled)
+      ..writeByte(6)
+      ..write(obj.isFailover)
+      ..writeByte(7)
+      ..write(obj.isDown);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is EpicBoxServerModelAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}

lib/pages/settings_views/wallet_settings_view/wallet_settings_view.dart

@@ -1,9 +1,9 @@
 import 'dart:async';
-import 'dart:convert';
 
 import 'package:event_bus/event_bus.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:stackwallet/models/epicbox_config_model.dart';
 import 'package:stackwallet/notifications/show_flush_bar.dart';
 import 'package:stackwallet/pages/address_book_views/address_book_view.dart';
 import 'package:stackwallet/pages/home_view/home_view.dart';
@@ -356,10 +356,9 @@ class _EpiBoxInfoFormState extends ConsumerState<EpicBoxInfoForm> {
         .getManager(widget.walletId)
         .wallet as EpicCashWallet;
 
-    wallet.getEpicBoxConfig().then((value) {
+    wallet.getEpicBoxConfig().then((EpicBoxConfigModel epicBoxConfig) {
-      final config = jsonDecode(value);
+      hostController.text = epicBoxConfig.host;
-      hostController.text = config["domain"] as String;
+      portController.text = "${epicBoxConfig.port ?? 443}";
-      portController.text = (config["port"] as int).toString();
     });
     super.initState();
   }

lib/services/coins/epiccash/epiccash_wallet.dart

@@ -11,6 +11,7 @@ import 'package:mutex/mutex.dart';
 import 'package:stack_wallet_backup/generate_password.dart';
 import 'package:stackwallet/db/main_db.dart';
 import 'package:stackwallet/models/balance.dart';
+import 'package:stackwallet/models/epicbox_config_model.dart';
 import 'package:stackwallet/models/isar/models/isar_models.dart' as isar_models;
 import 'package:stackwallet/models/node_model.dart';
 import 'package:stackwallet/models/paymint/fee_object_model.dart';
@@ -27,6 +28,7 @@ import 'package:stackwallet/services/mixins/wallet_cache.dart';
 import 'package:stackwallet/services/mixins/wallet_db.dart';
 import 'package:stackwallet/services/node_service.dart';
 import 'package:stackwallet/utilities/constants.dart';
+import 'package:stackwallet/utilities/default_epicboxes.dart';
 import 'package:stackwallet/utilities/default_nodes.dart';
 import 'package:stackwallet/utilities/enums/coin_enum.dart';
 import 'package:stackwallet/utilities/flutter_secure_storage_interface.dart';
@@ -456,7 +458,7 @@ class EpicCashWallet extends CoinServiceAPI
   Future<String> confirmSend({required Map<String, dynamic> txData}) async {
     try {
       final wallet = await _secureStore.read(key: '${_walletId}_wallet');
-      final epicboxConfig = await getEpicBoxConfig();
+      EpicBoxConfigModel epicboxConfig = await getEpicBoxConfig();
 
       // TODO determine whether it is worth sending change to a change address.
       dynamic message;
@@ -465,10 +467,8 @@ class EpicCashWallet extends CoinServiceAPI
 
       if (!receiverAddress.startsWith("http://") ||
           !receiverAddress.startsWith("https://")) {
-        final decoded = json.decode(epicboxConfig);
         bool isEpicboxConnected = await testEpicboxServer(
-            decoded["epicbox_domain"] as String,
+            epicboxConfig.host, epicboxConfig.port ?? 443);
-            decoded["epicbox_port"] as int);
         if (!isEpicboxConnected) {
           throw Exception("Failed to send TX : Unable to reach epicbox server");
         }
@@ -505,7 +505,7 @@ class EpicCashWallet extends CoinServiceAPI
             "amount": txData['recipientAmt'],
             "address": txData['addresss'],
             "secretKeyIndex": 0,
-            "epicboxConfig": epicboxConfig!,
+            "epicboxConfig": epicboxConfig,
             "minimumConfirmations": MINIMUM_CONFIRMATIONS,
           }, name: walletName);
 
@@ -567,13 +567,13 @@ class EpicCashWallet extends CoinServiceAPI
 
     if (address == null) {
       final wallet = await _secureStore.read(key: '${_walletId}_wallet');
-      final epicboxConfig = await getEpicBoxConfig();
+      EpicBoxConfigModel epicboxConfig = await getEpicBoxConfig();
 
       String? walletAddress;
       await m.protect(() async {
         walletAddress = await compute(
           _initGetAddressInfoWrapper,
-          Tuple3(wallet!, index, epicboxConfig!),
+          Tuple3(wallet!, index, epicboxConfig.toString()),
         );
       });
       Logging.instance
@@ -727,12 +727,13 @@ class EpicCashWallet extends CoinServiceAPI
     int index = 0;
 
     Logging.instance.log("This index is $index", level: LogLevel.Info);
-    final epicboxConfig = await getEpicBoxConfig();
+    EpicBoxConfigModel epicboxConfig = await getEpicBoxConfig();
+
     String? walletAddress;
     await m.protect(() async {
       walletAddress = await compute(
         _initGetAddressInfoWrapper,
-        Tuple3(wallet!, index, epicboxConfig!),
+        Tuple3(wallet!, index, epicboxConfig.toString()),
       );
     });
     Logging.instance
@@ -770,14 +771,14 @@ class EpicCashWallet extends CoinServiceAPI
 
     final String password = generatePassword();
     String stringConfig = await getConfig();
-    String epicboxConfig = await getEpicBoxConfig();
+    EpicBoxConfigModel epicboxConfig = await getEpicBoxConfig();
 
     await _secureStore.write(
         key: '${_walletId}_mnemonic', value: mnemonicString);
     await _secureStore.write(key: '${_walletId}_config', value: stringConfig);
     await _secureStore.write(key: '${_walletId}_password', value: password);
     await _secureStore.write(
-        key: '${_walletId}_epicboxConfig', value: epicboxConfig);
+        key: '${_walletId}_epicboxConfig', value: epicboxConfig.toString());
 
     String name = _walletId;
 
@@ -993,6 +994,7 @@ class EpicCashWallet extends CoinServiceAPI
   }
 
   Future<bool> testEpicboxServer(String host, int port) async {
+    // TODO use an EpicBoxServerModel as the only param
     final websocketConnectionUri = 'wss://$host:$port';
     const connectionOptions = SocketConnectionOptions(
       pingIntervalMs: 3000,
@@ -1035,36 +1037,49 @@ class EpicCashWallet extends CoinServiceAPI
     return isConnected;
   }
 
-  Future<String> getEpicBoxConfig() async {
+  Future<EpicBoxConfigModel> getEpicBoxConfig() async {
+    EpicBoxConfigModel? _epicBoxConfig;
+    // read epicbox config from secure store
     String? storedConfig =
         await _secureStore.read(key: '${_walletId}_epicboxConfig');
 
+    // we should move to storing the primary server model like we do with nodes, and build the config from that (see epic-mobile)
+    // EpicBoxServerModel? _epicBox = epicBox ??
+    //     DB.instance.get<EpicBoxServerModel>(
+    //         boxName: DB.boxNamePrimaryEpicBox, key: 'primary');
+    // Logging.instance.log(
+    //     "Read primary Epic Box config: ${jsonEncode(_epicBox)}",
+    //     level: LogLevel.Info);
+
     if (storedConfig == null) {
-      storedConfig = json.encode(DefaultNodes.defaultEpicBoxConfig);
+      // if no config stored, use the default epicbox server as config
+      _epicBoxConfig =
+          EpicBoxConfigModel.fromServer(DefaultEpicBoxes.defaultEpicBoxServer);
     } else {
-      dynamic decoded = json.decode(storedConfig!);
+      // if a config is stored, test it
-      if (decoded is String) { // we should make a model instead
+
-        decoded = json.decode(storedConfig!);
+      _epicBoxConfig = EpicBoxConfigModel.fromString(
-      }
+          storedConfig); // fromString handles checking old config formats
-      final domain = decoded["domain"] ?? "empty";
-      if (domain != "empty") {
-        //If we have the old invalid config, use the new default one
-        // new storage format stores domain under "epicbox_domain", old storage format used "domain"
-        storedConfig = json.encode(DefaultNodes.defaultEpicBoxConfig);
-      }
     }
-    final decoded = json.decode(storedConfig);
+
-    //Check Epicbox is up before returning it
     bool isEpicboxConnected = await testEpicboxServer(
-        decoded["epicbox_domain"] as String, decoded["epicbox_port"] as int);
+        _epicBoxConfig.host, _epicBoxConfig.port ?? 443);
 
     if (!isEpicboxConnected) {
-      //Default Epicbox is not connected, Defaulting to Europe
+      // default Epicbox is not connected, default to Europe
-      storedConfig = json.encode(DefaultNodes.epicBoxConfigEUR);
+      _epicBoxConfig = EpicBoxConfigModel.fromServer(DefaultEpicBoxes.europe);
-      // TODO test this connection before returning it, iterating through the list of default Epic Box servers
+
+      // example of selecting another random server from the default list
+      // alternative servers: copy list of all default EB servers but remove the default default
+      // List<EpicBoxServerModel> alternativeServers = DefaultEpicBoxes.all;
+      // alternativeServers.removeWhere((opt) => opt.name == DefaultEpicBoxes.defaultEpicBoxServer.name);
+      // alternativeServers.shuffle(); // randomize which server is used
+      // _epicBoxConfig = EpicBoxConfigModel.fromServer(alternativeServers.first);
+
+      // TODO test this connection before returning it
     }
 
-    return storedConfig;
+    return _epicBoxConfig;
   }
 
   Future<String> getRealConfig() async {
@@ -1174,14 +1189,14 @@ class EpicCashWallet extends CoinServiceAPI
       final String password = generatePassword();
 
       String stringConfig = await getConfig();
-      String epicboxConfig = await getEpicBoxConfig();
+      EpicBoxConfigModel epicboxConfig = await getEpicBoxConfig();
       final String name = _walletName.trim();
 
       await _secureStore.write(key: '${_walletId}_mnemonic', value: mnemonic);
       await _secureStore.write(key: '${_walletId}_config', value: stringConfig);
       await _secureStore.write(key: '${_walletId}_password', value: password);
       await _secureStore.write(
-          key: '${_walletId}_epicboxConfig', value: epicboxConfig);
+          key: '${_walletId}_epicboxConfig', value: epicboxConfig.toString());
 
       await compute(
         _recoverWrapper,
@@ -1382,14 +1397,14 @@ class EpicCashWallet extends CoinServiceAPI
 
   Future<void> listenForSlates() async {
     final wallet = await _secureStore.read(key: '${_walletId}_wallet');
-    final epicboxConfig = await getEpicBoxConfig();
+    EpicBoxConfigModel epicboxConfig = await getEpicBoxConfig();
 
     await m.protect(() async {
       Logging.instance.log("CALLING LISTEN FOR SLATES", level: LogLevel.Info);
       ReceivePort receivePort = await getIsolate({
         "function": "listenForSlates",
         "wallet": wallet,
-        "epicboxConfig": epicboxConfig,
+        "epicboxConfig": epicboxConfig.toString(),
       }, name: walletName);
 
       var result = await receivePort.first;

lib/utilities/default_epicboxes.dart

@@ -0,0 +1,43 @@
+import 'package:stackwallet/models/epicbox_server_model.dart';
+
+abstract class DefaultEpicBoxes {
+  static const String defaultName = "Default";
+
+  static List<EpicBoxServerModel> get all => [americas, asia, europe];
+  static List<String> get defaultIds => ['americas', 'asia', 'europe'];
+
+  static EpicBoxServerModel get americas => EpicBoxServerModel(
+        host: 'epicbox.epic.tech',
+        port: 443,
+        name: 'Americas',
+        id: 'americas',
+        useSSL: true,
+        enabled: true,
+        isFailover: true,
+        isDown: false,
+      );
+
+  static EpicBoxServerModel get asia => EpicBoxServerModel(
+        host: 'epicbox.hyperbig.com',
+        port: 443,
+        name: 'Asia',
+        id: 'asia',
+        useSSL: true,
+        enabled: true,
+        isFailover: true,
+        isDown: false,
+      );
+
+  static EpicBoxServerModel get europe => EpicBoxServerModel(
+        host: 'epicbox.fastepic.eu',
+        port: 443,
+        name: 'Europe',
+        id: 'europe',
+        useSSL: true,
+        enabled: true,
+        isFailover: true,
+        isDown: false,
+      );
+
+  static final defaultEpicBoxServer = americas;
+}

lib/utilities/default_nodes.dart

@@ -1,5 +1,3 @@
-import 'dart:convert';
-
 import 'package:stackwallet/models/node_model.dart';
 import 'package:stackwallet/utilities/enums/coin_enum.dart';
 
@@ -255,18 +253,4 @@ abstract class DefaultNodes {
         return dogecoinTestnet;
     }
   }
-
-  static final String defaultEpicBoxConfig = jsonEncode({
-    "epicbox_domain": "epicbox.epic.tech",
-    "epicbox_port": 443,
-    "epicbox_protocol_unsecure": false,
-    "epicbox_address_index": 0,
-  });
-
-  static final String epicBoxConfigEUR = jsonEncode({
-    "epicbox_domain": "epicbox.fastepic.eu",
-    "epicbox_port": 443,
-    "epicbox_protocol_unsecure": false,
-    "epicbox_address_index": 0,
-  });
 }