CAKE-31 | created wallet_restoration_from_keys_vm; applied new design to restore_wallet_from_keys_page, restore_wallet_from_seed_details, new_wallet_page, new_wallet_type_page, seed_language_page; reworked seed_language_selector, seed_language_picker, select_button

lib/view_model/wallet_restoration_from_keys_vm.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/foundation.dart';
+import 'package:hive/hive.dart';
+import 'package:mobx/mobx.dart';
+import 'package:cake_wallet/monero/monero_wallet_service.dart';
+import 'package:cake_wallet/bitcoin/bitcoin_wallet_creation_credentials.dart';
+import 'package:cake_wallet/core/generate_wallet_password.dart';
+import 'package:cake_wallet/core/wallet_creation_service.dart';
+import 'package:cake_wallet/core/wallet_credentials.dart';
+import 'package:cake_wallet/src/domain/common/wallet_type.dart';
+import 'package:cake_wallet/view_model/wallet_creation_vm.dart';
+import 'package:cake_wallet/src/domain/common/wallet_info.dart';
+
+part 'wallet_restoration_from_keys_vm.g.dart';
+
+class WalletRestorationFromKeysVM = WalletRestorationFromKeysVMBase
+    with _$WalletRestorationFromKeysVM;
+
+abstract class WalletRestorationFromKeysVMBase extends WalletCreationVM
+    with Store {
+  WalletRestorationFromKeysVMBase(this._walletCreationService, Box<WalletInfo> walletInfoSource,
+      {@required WalletType type, @required this.language})
+      : super(walletInfoSource, type: type, isRecovery: true);
+
+  @observable
+  int height;
+
+  @observable
+  String viewKey;
+
+  @observable
+  String spendKey;
+
+  @observable
+  String wif;
+
+  @observable
+  String address;
+
+  bool get hasRestorationHeight => type == WalletType.monero;
+
+  final String language;
+  final WalletCreationService _walletCreationService;
+
+  @override
+  WalletCredentials getCredentials(dynamic options) {
+    final password = generateWalletPassword(type);
+
+    switch (type) {
+      case WalletType.monero:
+        return MoneroRestoreWalletFromKeysCredentials(
+          name: name, password: password, language: language, address: address,
+            viewKey: viewKey, spendKey: spendKey, height: height);
+      case WalletType.bitcoin:
+        return BitcoinRestoreWalletFromWIFCredentials(
+          name: name, password: password, wif: wif);
+      default:
+        return null;
+    }
+  }
+
+  @override
+  Future<void> process(WalletCredentials credentials) async =>
+      _walletCreationService.restoreFromKeys(credentials);
+}