Merge branch 'main' of https://github.com/cake-tech/cake_wallet into CW-447-mobile-scanner

.github/workflows/pr_test_build.yml

@@ -2,11 +2,10 @@ name: PR Test Build
 
 on:
   pull_request:
-    branches: [ main ]
+    branches: [main]
 
 jobs:
   PR_test_build:
-
     runs-on: ubuntu-20.04
     env:
       STORE_PASS: test@cake_wallet
@@ -28,7 +27,7 @@ jobs:
       - name: Flutter action
         uses: subosito/flutter-action@v1
         with:
-          flutter-version: '3.10.x'
+          flutter-version: "3.10.x"
           channel: stable
 
       - name: Install package dependencies
@@ -93,6 +92,7 @@ jobs:
           cd cw_bitcoin && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
           cd cw_haven && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
           cd cw_ethereum && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
+          cd cw_nano && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
           flutter packages pub run build_runner build --delete-conflicting-outputs
 
       - name: Add secrets
@@ -128,8 +128,10 @@ jobs:
           echo "const payfuraApiKey = '${{ secrets.PAYFURA_API_KEY }}';" >> lib/.secrets.g.dart
           echo "const etherScanApiKey = '${{ secrets.ETHER_SCAN_API_KEY }}';" >> cw_ethereum/lib/.secrets.g.dart
           echo "const chatwootWebsiteToken = '${{ secrets.CHATWOOT_WEBSITE_TOKEN }}';" >> lib/.secrets.g.dart
+          echo "const exolixApiKey = '${{ secrets.EXOLIX_API_KEY }}';" >> lib/.secrets.g.dart
           echo "const robinhoodApplicationId = '${{ secrets.ROBINHOOD_APPLICATION_ID }}';" >> lib/.secrets.g.dart
           echo "const robinhoodCIdApiSecret = '${{ secrets.ROBINHOOD_CID_CLIENT_SECRET }}';" >> lib/.secrets.g.dart
+          echo "const walletConnectProjectId = '${{ secrets.WALLET_CONNECT_PROJECT_ID }}';" >> lib/.secrets.g.dart
 
       - name: Rename app
         run: echo -e "id=com.cakewallet.test\nname=$GITHUB_HEAD_REF" > /opt/android/cake_wallet/android/app.properties
@@ -139,18 +141,18 @@ jobs:
           cd /opt/android/cake_wallet
           flutter build apk --release
 
-#      - name: Push to App Center
-#        run: |
-#          echo 'Installing App Center CLI tools'
-#          npm install -g appcenter-cli
-#          echo "Publishing test to App Center"
-#          appcenter distribute release \
-#              --group "Testers" \
-#              --file "/opt/android/cake_wallet/build/app/outputs/apk/release/app-release.apk" \
-#              --release-notes ${GITHUB_HEAD_REF} \
-#              --app Cake-Labs/Cake-Wallet \
-#              --token ${{ secrets.APP_CENTER_TOKEN }} \
-#              --quiet
+      #      - name: Push to App Center
+      #        run: |
+      #          echo 'Installing App Center CLI tools'
+      #          npm install -g appcenter-cli
+      #          echo "Publishing test to App Center"
+      #          appcenter distribute release \
+      #              --group "Testers" \
+      #              --file "/opt/android/cake_wallet/build/app/outputs/apk/release/app-release.apk" \
+      #              --release-notes ${GITHUB_HEAD_REF} \
+      #              --app Cake-Labs/Cake-Wallet \
+      #              --token ${{ secrets.APP_CENTER_TOKEN }} \
+      #              --quiet
 
       - name: Rename apk file
         run: |
@@ -170,6 +172,6 @@ jobs:
           token: ${{ secrets.SLACK_APP_TOKEN }}
           path: /opt/android/cake_wallet/build/app/outputs/apk/release/app-release.apk
           channel: ${{ secrets.SLACK_APK_CHANNEL }}
-          title: '${{github.head_ref}}.apk'
+          title: "${{github.head_ref}}.apk"
           filename: ${{github.head_ref}}.apk
           initial_comment: ${{ github.event.head_commit.message }}

.gitignore

@@ -124,6 +124,7 @@ lib/bitcoin/bitcoin.dart
 lib/monero/monero.dart
 lib/haven/haven.dart
 lib/ethereum/ethereum.dart
+lib/nano/nano.dart
 
 ios/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_180.png
 ios/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_120.png

android/app/src/main/AndroidManifestBase.xml

@@ -25,10 +25,6 @@
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize"
             android:exported="true">
-            <meta-data
-                    android:name="io.flutter.embedding.android.SplashScreenDrawable"
-                    android:resource="@drawable/launch_background"
-            />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>

android/app/src/main/res/drawable-night/launch_background.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <color android:color="#000000"/> <!-- Dark background color -->
+    </item>
+</layer-list>

android/app/src/main/res/drawable/launch_background.xml

@@ -1,12 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@android:color/white" />
-
-    <!-- You can insert your own image assets here -->
-    <!-- <item>
-        <bitmap
-            android:gravity="center"
-            android:src="@mipmap/launch_image" />
-    </item> -->
+    <item>
+        <color android:color="#FFFFFF"/> <!-- Light background color -->
+    </item>
 </layer-list>

assets/nano_node_list.yml

@@ -0,0 +1,6 @@
+-
+  uri: rpc.nano.to
+  useSSL: true
+  is_default: true
+-
+  uri: node.perish.co:9076

assets/nano_pow_node_list.yml

@@ -0,0 +1,9 @@
+-
+  uri: rpc.nano.to
+  useSSL: true
+  is_default: true
+-
+  uri: workers.perish.co
+-
+  uri: worker.nanoriver.cc
+  useSSL: true

assets/text/Monerocom_Release_Notes.txt

@@ -1,3 +1,3 @@
-Enhance Monero coin control
-Add Filipino localization
-Bug Fixes
+Fix 2FA code issue
+Bug fixes
+Minor enhancements

assets/text/Release_Notes.txt

@@ -1,5 +1,4 @@
-New Buy Provider Robinhood
-Fix sending Ethereum issue
-Enhance Monero coin control
-Add Filipino localization
-Bug Fixes
+Ethereum enhancements and bug fixes
+Fix 2FA code issue
+Bug fixes
+Minor enhancements

configure_cake_wallet_android.sh

@@ -7,4 +7,5 @@ cd cw_monero && flutter pub get && flutter packages pub run build_runner build -
 cd cw_bitcoin && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
 cd cw_haven && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
 cd cw_ethereum && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
+cd cw_nano && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
 flutter packages pub run build_runner build --delete-conflicting-outputs

cw_bitcoin/lib/bitcoin_mnemonic.dart

@@ -2297,4 +2297,4 @@ final englishWordlist = <String>[
   'zero',
   'zone',
   'zoo'
-];
+];

cw_bitcoin/lib/bitcoin_wallet.dart

@@ -89,4 +89,4 @@ abstract class BitcoinWalletBase extends ElectrumWallet with Store {
         initialRegularAddressIndex: snp.regularAddressIndex,
         initialChangeAddressIndex: snp.changeAddressIndex);
   }
-}
+}

cw_bitcoin/lib/bitcoin_wallet_creation_credentials.dart

@@ -20,4 +20,4 @@ class BitcoinRestoreWalletFromWIFCredentials extends WalletCredentials {
       : super(name: name, password: password, walletInfo: walletInfo);
 
   final String wif;
-}
+}

cw_bitcoin/lib/bitcoin_wallet_service.dart

@@ -100,4 +100,4 @@ class BitcoinWalletService extends WalletService<
     await wallet.init();
     return wallet;
   }
-}
+}

cw_bitcoin/lib/electrum_wallet_snapshot.dart

@@ -56,4 +56,4 @@ class ElectrumWallletSnapshot {
       regularAddressIndex: regularAddressIndex,
       changeAddressIndex: changeAddressIndex);
   }
-}
+}

cw_core/lib/crypto_currency.dart

@@ -90,6 +90,7 @@ class CryptoCurrency extends EnumerableItem<int> with Serializable<int> implemen
     CryptoCurrency.zrx,
     CryptoCurrency.dydx,
     CryptoCurrency.steth,
+    CryptoCurrency.banano,
   ];
 
   static const havenCurrencies = [
@@ -119,7 +120,7 @@ class CryptoCurrency extends EnumerableItem<int> with Serializable<int> implemen
   static const eos = CryptoCurrency(title: 'EOS', fullName: 'EOS', raw: 7, name: 'eos', iconPath: 'assets/images/eos_icon.png');
   static const eth = CryptoCurrency(title: 'ETH', fullName: 'Ethereum', raw: 8, name: 'eth', iconPath: 'assets/images/eth_icon.png');
   static const ltc = CryptoCurrency(title: 'LTC', fullName: 'Litecoin', raw: 9, name: 'ltc', iconPath: 'assets/images/litecoin-ltc_icon.png');
-  static const nano = CryptoCurrency(title: 'NANO', raw: 10, name: 'nano', iconPath: 'assets/images/nano.png');
+  static const nano = CryptoCurrency(title: 'XNO', raw: 10, fullName: 'Nano', name: 'xno', iconPath: 'assets/images/nano_icon.png');
   static const trx = CryptoCurrency(title: 'TRX', fullName: 'TRON', raw: 11, name: 'trx', iconPath: 'assets/images/trx_icon.png');
   static const usdt = CryptoCurrency(title: 'USDT', tag: 'OMNI', fullName: 'USDT Tether', raw: 12, name: 'usdt', iconPath: 'assets/images/usdt_icon.png');
   static const usdterc20 = CryptoCurrency(title: 'USDT', tag: 'ETH', fullName: 'USDT Tether', raw: 13, name: 'usdterc20', iconPath: 'assets/images/usdterc20_icon.png');
@@ -198,6 +199,7 @@ class CryptoCurrency extends EnumerableItem<int> with Serializable<int> implemen
   static const zrx = CryptoCurrency(title: 'ZRX', tag: 'ETH', fullName: '0x Protocol', raw: 83, name: 'zrx', iconPath: 'assets/images/zrx_icon.png');
   static const dydx = CryptoCurrency(title: 'DYDX', tag: 'ETH', fullName: 'dYdX', raw: 84, name: 'dydx', iconPath: 'assets/images/dydx_icon.png');
   static const steth = CryptoCurrency(title: 'STETH', tag: 'ETH', fullName: 'Lido Staked Ethereum', raw: 85, name: 'steth', iconPath: 'assets/images/steth_icon.png');
+  static const banano = CryptoCurrency(title: 'BAN', raw: 86, name: 'banano', iconPath: 'assets/images/nano_icon.png');
 
 
   static final Map<int, CryptoCurrency> _rawCurrencyMap =

cw_core/lib/currency_for_wallet_type.dart

@@ -13,6 +13,10 @@ CryptoCurrency currencyForWalletType(WalletType type) {
       return CryptoCurrency.xhv;
     case WalletType.ethereum:
       return CryptoCurrency.eth;
+    case WalletType.nano:
+      return CryptoCurrency.nano;
+    case WalletType.banano:
+      return CryptoCurrency.banano;
     default:
       throw Exception('Unexpected wallet type: ${type.toString()} for CryptoCurrency currencyForWalletType');
   }

cw_core/lib/hive_type_ids.dart

@@ -1,4 +1,4 @@
-const CONTACT_TYPE_ID               = 0;
+const CONTACT_TYPE_ID               = 0;    
 const NODE_TYPE_ID                  = 1;
 const TRANSACTION_TYPE_ID           = 2;
 const TRADE_TYPE_ID                 = 3;
@@ -11,3 +11,6 @@ const UNSPENT_COINS_INFO_TYPE_ID    = 9;
 const ANONPAY_INVOICE_INFO_TYPE_ID  = 10;
 const ADDRESS_INFO_TYPE_ID          = 11;
 const ERC20_TOKEN_TYPE_ID           = 12;
+const NANO_ACCOUNT_TYPE_ID          = 13;
+const POW_NODE_TYPE_ID              = 14;
+const DERIVATION_TYPE_TYPE_ID       = 15;

cw_core/lib/nano_account.dart

@@ -0,0 +1,23 @@
+import 'package:cw_core/hive_type_ids.dart';
+import 'package:hive/hive.dart';
+
+part 'nano_account.g.dart';
+
+@HiveType(typeId: NanoAccount.typeId)
+class NanoAccount extends HiveObject {
+  NanoAccount({required this.label, required this.id, this.balance, this.isSelected = false});
+
+  static const typeId = NANO_ACCOUNT_TYPE_ID;
+
+  @HiveField(0)
+  String label;
+
+  @HiveField(1)
+  final int id;
+
+  @HiveField(2)
+  bool isSelected;
+
+  @HiveField(3)
+  String? balance;
+}

cw_core/lib/nano_account_info_response.dart

@@ -0,0 +1,23 @@
+class AccountInfoResponse {
+  String frontier;
+  int confirmationHeight;
+  String balance;
+  String representative;
+  String? address;
+
+  AccountInfoResponse({
+    required this.frontier,
+    required this.balance,
+    required this.representative,
+    required this.confirmationHeight,
+  });
+
+  factory AccountInfoResponse.fromJson(Map<String, dynamic> json) {
+    return AccountInfoResponse(
+      frontier: json['frontier'] as String,
+      representative: json['representative'] as String,
+      balance: json['balance'] as String,
+      confirmationHeight: int.parse(json['confirmation_height'] as String),
+    );
+  }
+}

cw_core/lib/node.dart

@@ -9,19 +9,19 @@ import 'package:http/io_client.dart' as ioc;
 
 part 'node.g.dart';
 
-Uri createUriFromElectrumAddress(String address) =>
-    Uri.tryParse('tcp://$address')!;
+Uri createUriFromElectrumAddress(String address) => Uri.tryParse('tcp://$address')!;
 
 @HiveType(typeId: Node.typeId)
 class Node extends HiveObject with Keyable {
-  Node(
-      {this.login,
-      this.password,
-      this.useSSL,
-      this.trusted = false,
-      this.socksProxyAddress,
-      String? uri,
-      WalletType? type,}) {
+  Node({
+    this.login,
+    this.password,
+    this.useSSL,
+    this.trusted = false,
+    this.socksProxyAddress,
+    String? uri,
+    WalletType? type,
+  }) {
     if (uri != null) {
       uriRaw = uri;
     }
@@ -78,6 +78,13 @@ class Node extends HiveObject with Keyable {
         return Uri.http(uriRaw, '');
       case WalletType.ethereum:
         return Uri.https(uriRaw, '');
+      case WalletType.nano:
+      case WalletType.banano:
+        if (isSSL) {
+          return Uri.https(uriRaw, '');
+        } else {
+          return Uri.http(uriRaw, '');
+        }
       default:
         throw Exception('Unexpected type ${type.toString()} for Node uri');
     }
@@ -86,13 +93,13 @@ class Node extends HiveObject with Keyable {
   @override
   bool operator ==(other) =>
       other is Node &&
-          (other.uriRaw == uriRaw &&
-              other.login == login &&
-              other.password == password &&
-              other.typeRaw == typeRaw &&
-              other.useSSL == useSSL &&
-              other.trusted == trusted &&
-              other.socksProxyAddress == socksProxyAddress);
+      (other.uriRaw == uriRaw &&
+          other.login == login &&
+          other.password == password &&
+          other.typeRaw == typeRaw &&
+          other.useSSL == useSSL &&
+          other.trusted == trusted &&
+          other.socksProxyAddress == socksProxyAddress);
 
   @override
   int get hashCode =>
@@ -120,7 +127,9 @@ class Node extends HiveObject with Keyable {
     try {
       switch (type) {
         case WalletType.monero:
-          return useSocksProxy ? requestNodeWithProxy(socksProxyAddress ?? '') : requestMoneroNode();
+          return useSocksProxy
+              ? requestNodeWithProxy(socksProxyAddress ?? '')
+              : requestMoneroNode();
         case WalletType.bitcoin:
           return requestElectrumServer();
         case WalletType.litecoin:
@@ -129,6 +138,9 @@ class Node extends HiveObject with Keyable {
           return requestMoneroNode();
         case WalletType.ethereum:
           return requestElectrumServer();
+        case WalletType.nano:
+        case WalletType.banano:
+          return requestNanoNode();
         default:
           return false;
       }
@@ -141,27 +153,23 @@ class Node extends HiveObject with Keyable {
     final path = '/json_rpc';
     final rpcUri = isSSL ? Uri.https(uri.authority, path) : Uri.http(uri.authority, path);
     final realm = 'monero-rpc';
-    final body = {
-        'jsonrpc': '2.0',
-        'id': '0',
-        'method': 'get_info'
-    };
+    final body = {'jsonrpc': '2.0', 'id': '0', 'method': 'get_info'};
 
     try {
       final authenticatingClient = HttpClient();
 
       authenticatingClient.addCredentials(
-          rpcUri,
-          realm,
-          HttpClientDigestCredentials(login ?? '', password ?? ''),
+        rpcUri,
+        realm,
+        HttpClientDigestCredentials(login ?? '', password ?? ''),
       );
 
       final http.Client client = ioc.IOClient(authenticatingClient);
 
       final response = await client.post(
-          rpcUri,
-          headers: {'Content-Type': 'application/json'},
-          body: json.encode(body),
+        rpcUri,
+        headers: {'Content-Type': 'application/json'},
+        body: json.encode(body),
       );
 
       client.close();
@@ -173,8 +181,24 @@ class Node extends HiveObject with Keyable {
     }
   }
 
-  Future<bool> requestNodeWithProxy(String proxy) async {
+  Future<bool> requestNanoNode() async {
+    http.Response response = await http.post(
+      uri,
+      headers: {'Content-type': 'application/json'},
+      body: json.encode(
+        {
+          "action": "block_count",
+        },
+      ),
+    );
+    if (response.statusCode == 200) {
+      return true;
+    } else {
+      return false;
+    }
+  }
 
+  Future<bool> requestNodeWithProxy(String proxy) async {
     if (proxy.isEmpty || !proxy.contains(':')) {
       return false;
     }

cw_core/lib/wallet_base.dart

@@ -13,9 +13,7 @@ import 'package:cw_core/sync_status.dart';
 import 'package:cw_core/node.dart';
 import 'package:cw_core/wallet_type.dart';
 
-abstract class WalletBase<
-    BalanceType extends Balance,
-    HistoryType extends TransactionHistoryBase,
+abstract class WalletBase<BalanceType extends Balance, HistoryType extends TransactionHistoryBase,
     TransactionType extends TransactionInfo> {
   WalletBase(this.walletInfo);
 
@@ -58,6 +56,9 @@ abstract class WalletBase<
 
   Future<void> connectToNode({required Node node});
 
+  // there is a default definition here because only coins with a pow node (nano based) need to override this
+  Future<void> connectToPowNode({required Node node}) async {}
+
   Future<void> startSync();
 
   Future<PendingTransaction> createTransaction(Object credentials);

cw_core/lib/wallet_credentials.dart

@@ -5,10 +5,15 @@ abstract class WalletCredentials {
     required this.name,
     this.height,
     this.walletInfo,
-    this.password});
+    this.password,
+    this.derivationType,
+    this.derivationPath,
+  });
 
   final String name;
   final int? height;
   String? password;
+  DerivationType? derivationType;
+  String? derivationPath;
   WalletInfo? walletInfo;
 }

cw_core/lib/wallet_info.dart

@@ -6,29 +6,92 @@ import 'package:hive/hive.dart';
 
 part 'wallet_info.g.dart';
 
+@HiveType(typeId: DERIVATION_TYPE_TYPE_ID)
+enum DerivationType {
+  @HiveField(0)
+  unknown,
+  @HiveField(1)
+  def, // default is a reserved word
+  @HiveField(2)
+  nano,
+  @HiveField(3)
+  bip39,
+  @HiveField(4)
+  electrum1,
+  @HiveField(5)
+  electrum2,
+}
+
+class DerivationInfo {
+  DerivationInfo({
+    required this.derivationType,
+    this.derivationPath,
+    this.balance = "",
+    this.address = "",
+    this.height = 0,
+    this.script_type,
+    this.description,
+  });
+
+  String balance;
+  String address;
+  int height;
+  final DerivationType derivationType;
+  final String? derivationPath;
+  final String? script_type;
+  final String? description;
+}
+
 @HiveType(typeId: WalletInfo.typeId)
 class WalletInfo extends HiveObject {
-  WalletInfo(this.id, this.name, this.type, this.isRecovery, this.restoreHeight,
-      this.timestamp, this.dirPath, this.path, this.address, this.yatEid,
-        this.yatLastUsedAddressRaw, this.showIntroCakePayCard)
+  WalletInfo(
+      this.id,
+      this.name,
+      this.type,
+      this.isRecovery,
+      this.restoreHeight,
+      this.timestamp,
+      this.dirPath,
+      this.path,
+      this.address,
+      this.yatEid,
+      this.yatLastUsedAddressRaw,
+      this.showIntroCakePayCard,
+      this.derivationType,
+      this.derivationPath)
       : _yatLastUsedAddressController = StreamController<String>.broadcast();
 
-  factory WalletInfo.external(
-      {required String id,
-      required String name,
-      required WalletType type,
-      required bool isRecovery,
-      required int restoreHeight,
-      required DateTime date,
-      required String dirPath,
-      required String path,
-      required String address,
-      bool? showIntroCakePayCard,
-      String yatEid ='',
-      String yatLastUsedAddressRaw = ''}) {
-    return WalletInfo(id, name, type, isRecovery, restoreHeight,
-        date.millisecondsSinceEpoch, dirPath, path, address,
-        yatEid, yatLastUsedAddressRaw, showIntroCakePayCard);
+  factory WalletInfo.external({
+    required String id,
+    required String name,
+    required WalletType type,
+    required bool isRecovery,
+    required int restoreHeight,
+    required DateTime date,
+    required String dirPath,
+    required String path,
+    required String address,
+    bool? showIntroCakePayCard,
+    String yatEid = '',
+    String yatLastUsedAddressRaw = '',
+    DerivationType? derivationType,
+    String? derivationPath,
+  }) {
+    return WalletInfo(
+        id,
+        name,
+        type,
+        isRecovery,
+        restoreHeight,
+        date.millisecondsSinceEpoch,
+        dirPath,
+        path,
+        address,
+        yatEid,
+        yatLastUsedAddressRaw,
+        showIntroCakePayCard,
+        derivationType,
+        derivationPath);
   }
 
   static const typeId = WALLET_INFO_TYPE_ID;
@@ -79,6 +142,12 @@ class WalletInfo extends HiveObject {
   @HiveField(15)
   List<String>? usedAddresses;
 
+  @HiveField(16)
+  DerivationType? derivationType;
+
+  @HiveField(17)
+  String? derivationPath;
+
   String get yatLastUsedAddress => yatLastUsedAddressRaw ?? '';
 
   set yatLastUsedAddress(String address) {
@@ -89,7 +158,7 @@ class WalletInfo extends HiveObject {
   String get yatEmojiId => yatEid ?? '';
 
   bool get isShowIntroCakePayCard {
-    if(showIntroCakePayCard == null) {
+    if (showIntroCakePayCard == null) {
       return type != WalletType.haven;
     }
     return showIntroCakePayCard!;

cw_core/lib/wallet_service.dart

@@ -1,9 +1,11 @@
+import 'package:cw_core/node.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/wallet_credentials.dart';
+import 'package:cw_core/wallet_info.dart';
 import 'package:cw_core/wallet_type.dart';
 
-abstract class WalletService<N extends WalletCredentials,
-    RFS extends WalletCredentials, RFK extends WalletCredentials> {
+abstract class WalletService<N extends WalletCredentials, RFS extends WalletCredentials,
+    RFK extends WalletCredentials> {
   WalletType getType();
 
   Future<WalletBase> create(N credentials);

cw_core/lib/wallet_type.dart

@@ -10,6 +10,8 @@ const walletTypes = [
   WalletType.litecoin,
   WalletType.haven,
   WalletType.ethereum,
+  WalletType.nano,
+  WalletType.banano,
 ];
 
 @HiveType(typeId: WALLET_TYPE_TYPE_ID)
@@ -31,6 +33,12 @@ enum WalletType {
 
   @HiveField(5)
   ethereum,
+
+  @HiveField(6)
+  nano,
+
+  @HiveField(7)
+  banano,
 }
 
 int serializeToInt(WalletType type) {
@@ -45,6 +53,10 @@ int serializeToInt(WalletType type) {
       return 3;
     case WalletType.ethereum:
       return 4;
+    case WalletType.nano:
+      return 5;
+    case WalletType.banano:
+      return 6;
     default:
       return -1;
   }
@@ -62,6 +74,10 @@ WalletType deserializeFromInt(int raw) {
       return WalletType.haven;
     case 4:
       return WalletType.ethereum;
+    case 5:
+      return WalletType.nano;
+    case 6:
+      return WalletType.banano;
     default:
       throw Exception('Unexpected token: $raw for WalletType deserializeFromInt');
   }
@@ -79,6 +95,10 @@ String walletTypeToString(WalletType type) {
       return 'Haven';
     case WalletType.ethereum:
       return 'Ethereum';
+    case WalletType.nano:
+      return 'Nano';
+    case WalletType.banano:
+      return 'Banano';
     default:
       return '';
   }
@@ -96,6 +116,10 @@ String walletTypeToDisplayName(WalletType type) {
       return 'Haven (XHV)';
     case WalletType.ethereum:
       return 'Ethereum (ETH)';
+    case WalletType.nano:
+      return 'Nano (XNO)';
+    case WalletType.banano:
+      return 'Banano (BAN)';
     default:
       return '';
   }
@@ -113,6 +137,10 @@ CryptoCurrency walletTypeToCryptoCurrency(WalletType type) {
       return CryptoCurrency.xhv;
     case WalletType.ethereum:
       return CryptoCurrency.eth;
+    case WalletType.nano:
+      return CryptoCurrency.nano;
+    case WalletType.banano:
+      return CryptoCurrency.banano;
     default:
       throw Exception('Unexpected wallet type: ${type.toString()} for CryptoCurrency walletTypeToCryptoCurrency');
   }

cw_ethereum/lib/ethereum_client.dart

@@ -65,13 +65,11 @@ class EthereumClient {
 
     bool _isEthereum = currency == CryptoCurrency.eth;
 
-    final price = await _client!.getGasPrice();
+    final price = _client!.getGasPrice();
 
     final Transaction transaction = Transaction(
       from: privateKey.address,
       to: EthereumAddress.fromHex(toAddress),
-      maxGas: gas,
-      gasPrice: price,
       maxPriorityFeePerGas: EtherAmount.fromInt(EtherUnit.gwei, priority.tip),
       value: _isEthereum ? EtherAmount.inWei(BigInt.parse(amount)) : EtherAmount.zero(),
     );
@@ -101,7 +99,7 @@ class EthereumClient {
     return PendingEthereumTransaction(
       signedTransaction: signedTransaction,
       amount: amount,
-      fee: BigInt.from(gas) * price.getInWei,
+      fee: BigInt.from(gas) * (await price).getInWei,
       sendTransaction: _sendTransaction,
       exponent: exponent,
     );
@@ -210,6 +208,10 @@ I/flutter ( 4474): Gas Used: 53000
     }
   }
 
+  Web3Client? getWeb3Client() {
+    return _client;
+  }
+
 // Future<int> _getDecimalPlacesForContract(DeployedContract contract) async {
 //     final String abi = await rootBundle.loadString("assets/abi_json/erc20_abi.json");
 //     final contractAbi = ContractAbi.fromJson(abi, "ERC20");

cw_ethereum/lib/ethereum_wallet.dart

@@ -77,6 +77,8 @@ abstract class EthereumWalletBase
 
   late final EthPrivateKey _ethPrivateKey;
 
+  EthPrivateKey get ethPrivateKey => _ethPrivateKey;
+
   late EthereumClient _client;
 
   int? _gasPrice;
@@ -508,4 +510,6 @@ abstract class EthereumWalletBase
   @override
   String signMessage(String message, {String? address = null}) =>
       bytesToHex(_ethPrivateKey.signPersonalMessageToUint8List(ascii.encode(message)));
+
+  Web3Client? getWeb3Client() => _client.getWeb3Client();
 }

cw_monero/ios/Classes/monero_api.cpp

@@ -234,7 +234,6 @@ extern "C"
         }
 
         void setUnlocked(bool unlocked);
-
     };
 
     Monero::Coins *m_coins;
@@ -568,7 +567,7 @@ extern "C"
             _preferred_inputs.insert(std::string(*preferred_inputs));
             preferred_inputs++;
         }
-
+      
         auto priority = static_cast<Monero::PendingTransaction::Priority>(priority_raw);
         std::string _payment_id;
         Monero::PendingTransaction *transaction;

cw_monero/lib/monero_wallet.dart

@@ -37,10 +37,10 @@ const moneroBlockSize = 1000;
 
 class MoneroWallet = MoneroWalletBase with _$MoneroWallet;
 
-abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
-    MoneroTransactionHistory, MoneroTransactionInfo> with Store {
-  MoneroWalletBase({required WalletInfo walletInfo,
-    required Box<UnspentCoinsInfo> unspentCoinsInfo})
+abstract class MoneroWalletBase
+    extends WalletBase<MoneroBalance, MoneroTransactionHistory, MoneroTransactionInfo> with Store {
+  MoneroWalletBase(
+      {required WalletInfo walletInfo, required Box<UnspentCoinsInfo> unspentCoinsInfo})
       : balance = ObservableMap<CryptoCurrency, MoneroBalance>.of({
           CryptoCurrency.xmr: MoneroBalance(
               fullBalance: monero_wallet.getFullBalance(accountIndex: 0),
@@ -112,12 +112,12 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
 
   Future<void> init() async {
     await walletAddresses.init();
-    balance =  ObservableMap<CryptoCurrency, MoneroBalance>.of(
-       <CryptoCurrency, MoneroBalance>{
-          currency: MoneroBalance(
-            fullBalance: monero_wallet.getFullBalance(accountIndex: walletAddresses.account!.id),
-            unlockedBalance: monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id))
-          });
+    balance = ObservableMap<CryptoCurrency, MoneroBalance>.of(<CryptoCurrency, MoneroBalance>{
+      currency: MoneroBalance(
+          fullBalance: monero_wallet.getFullBalance(accountIndex: walletAddresses.account!.id),
+          unlockedBalance:
+              monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id))
+    });
     _setListeners();
     await updateTransactions();
 
@@ -125,15 +125,14 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
       monero_wallet.setRecoveringFromSeed(isRecovery: walletInfo.isRecovery);
 
       if (monero_wallet.getCurrentHeight() <= 1) {
-        monero_wallet.setRefreshFromBlockHeight(
-            height: walletInfo.restoreHeight);
+        monero_wallet.setRefreshFromBlockHeight(height: walletInfo.restoreHeight);
       }
     }
 
-    _autoSaveTimer = Timer.periodic(
-       Duration(seconds: _autoSaveInterval),
-       (_) async => await save());
+    _autoSaveTimer =
+        Timer.periodic(Duration(seconds: _autoSaveInterval), (_) async => await save());
   }
+
   @override
   Future<void>? updateBalance() => null;
 
@@ -153,7 +152,8 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
           login: node.login,
           password: node.password,
           useSSL: node.isSSL,
-          isLightWallet: false, // FIXME: hardcoded value
+          isLightWallet: false,
+          // FIXME: hardcoded value
           socksProxyAddress: node.socksProxyAddress);
 
       monero_wallet.setTrustedDaemon(node.trusted);
@@ -189,7 +189,7 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
     final outputs = _credentials.outputs;
     final hasMultiDestination = outputs.length > 1;
     final unlockedBalance =
-    monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id);
+        monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id);
     var allInputsAmount = 0;
 
     PendingTransactionDescription pendingTransactionDescription;
@@ -208,56 +208,42 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
         inputs.add(utx.keyImage);
       }
     }
-
-    if (inputs.isEmpty) {
-      throw MoneroTransactionNoInputsException(0);
-    }
+    final spendAllCoins = inputs.length == unspentCoins.length;
 
     if (hasMultiDestination) {
-      if (outputs.any((item) => item.sendAll
-          || (item.formattedCryptoAmount ?? 0) <= 0)) {
+      if (outputs.any((item) => item.sendAll || (item.formattedCryptoAmount ?? 0) <= 0)) {
         throw MoneroTransactionCreationException('You do not have enough XMR to send this amount.');
       }
 
-      final int totalAmount = outputs.fold(0, (acc, value) =>
-          acc + (value.formattedCryptoAmount ?? 0));
+      final int totalAmount =
+          outputs.fold(0, (acc, value) => acc + (value.formattedCryptoAmount ?? 0));
 
       final estimatedFee = calculateEstimatedFee(_credentials.priority, totalAmount);
       if (unlockedBalance < totalAmount) {
         throw MoneroTransactionCreationException('You do not have enough XMR to send this amount.');
       }
 
-      if (allInputsAmount < totalAmount + estimatedFee) {
+      if (!spendAllCoins && (allInputsAmount < totalAmount + estimatedFee)) {
         throw MoneroTransactionNoInputsException(inputs.length);
       }
 
       final moneroOutputs = outputs.map((output) {
-      final outputAddress = output.isParsedAddress
-          ? output.extractedAddress
-          : output.address;
+        final outputAddress = output.isParsedAddress ? output.extractedAddress : output.address;
 
-      return MoneroOutput(
-          address: outputAddress!,
-          amount: output.cryptoAmount!.replaceAll(',', '.'));
+        return MoneroOutput(
+            address: outputAddress!, amount: output.cryptoAmount!.replaceAll(',', '.'));
       }).toList();
 
-      pendingTransactionDescription =
-      await transaction_history.createTransactionMultDest(
+      pendingTransactionDescription = await transaction_history.createTransactionMultDest(
           outputs: moneroOutputs,
           priorityRaw: _credentials.priority.serialize(),
           accountIndex: walletAddresses.account!.id,
           preferredInputs: inputs);
     } else {
       final output = outputs.first;
-      final address = output.isParsedAddress
-          ? output.extractedAddress
-          : output.address;
-      final amount = output.sendAll
-          ? null
-          : output.cryptoAmount!.replaceAll(',', '.');
-      final formattedAmount = output.sendAll
-          ? null
-          : output.formattedCryptoAmount;
+      final address = output.isParsedAddress ? output.extractedAddress : output.address;
+      final amount = output.sendAll ? null : output.cryptoAmount!.replaceAll(',', '.');
+      final formattedAmount = output.sendAll ? null : output.formattedCryptoAmount;
 
       if ((formattedAmount != null && unlockedBalance < formattedAmount) ||
           (formattedAmount == null && unlockedBalance <= 0)) {
@@ -268,8 +254,9 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
       }
 
       final estimatedFee = calculateEstimatedFee(_credentials.priority, formattedAmount);
-      if ((formattedAmount != null && allInputsAmount < (formattedAmount + estimatedFee)) ||
-          (formattedAmount == null && allInputsAmount != unlockedBalance)) {
+      if (!spendAllCoins &&
+          ((formattedAmount != null && allInputsAmount < (formattedAmount + estimatedFee)) ||
+              formattedAmount == null)) {
         throw MoneroTransactionNoInputsException(inputs.length);
       }
 
@@ -327,10 +314,8 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
 
     try {
       // -- rename the waller folder --
-      final currentWalletDir =
-          Directory(await pathForWalletDir(name: name, type: type));
-      final newWalletDirPath =
-          await pathForWalletDir(name: newWalletName, type: type);
+      final currentWalletDir = Directory(await pathForWalletDir(name: name, type: type));
+      final newWalletDirPath = await pathForWalletDir(name: newWalletName, type: type);
       await currentWalletDir.rename(newWalletDirPath);
 
       // -- use new waller folder to rename files with old names still --
@@ -340,8 +325,7 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
       final currentKeysFile = File('$renamedWalletPath.keys');
       final currentAddressListFile = File('$renamedWalletPath.address.txt');
 
-      final newWalletPath =
-          await pathForWallet(name: newWalletName, type: type);
+      final newWalletPath = await pathForWallet(name: newWalletName, type: type);
 
       if (currentCacheFile.existsSync()) {
         await currentCacheFile.rename(newWalletPath);
@@ -359,8 +343,7 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
       final currentKeysFile = File('$currentWalletPath.keys');
       final currentAddressListFile = File('$currentWalletPath.address.txt');
 
-      final newWalletPath =
-          await pathForWallet(name: newWalletName, type: type);
+      final newWalletPath = await pathForWallet(name: newWalletName, type: type);
 
       // Copies current wallet files into new wallet name's dir and files
       if (currentCacheFile.existsSync()) {
@@ -426,8 +409,8 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
 
     if (unspentCoins.isNotEmpty) {
       unspentCoins.forEach((coin) {
-        final coinInfoList = unspentCoinsInfo.values.where((element) =>
-        element.walletId.contains(id) && element.hash.contains(coin.hash));
+        final coinInfoList = unspentCoinsInfo.values
+            .where((element) => element.walletId.contains(id) && element.hash.contains(coin.hash));
 
         if (coinInfoList.isNotEmpty) {
           final coinInfo = coinInfoList.first;
@@ -447,16 +430,15 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
 
   Future<void> _addCoinInfo(MoneroUnspent coin) async {
     final newInfo = UnspentCoinsInfo(
-      walletId: id,
-      hash: coin.hash,
-      isFrozen: coin.isFrozen,
-      isSending: coin.isSending,
-      noteRaw: coin.note,
-      address: coin.address,
-      value: coin.value,
-      vout: 0,
-      keyImage: coin.keyImage
-    );
+        walletId: id,
+        hash: coin.hash,
+        isFrozen: coin.isFrozen,
+        isSending: coin.isSending,
+        noteRaw: coin.note,
+        address: coin.address,
+        value: coin.value,
+        vout: 0,
+        keyImage: coin.keyImage);
 
     await unspentCoinsInfo.add(newInfo);
   }
@@ -464,8 +446,8 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
   Future<void> _refreshUnspentCoinsInfo() async {
     try {
       final List<dynamic> keys = <dynamic>[];
-      final currentWalletUnspentCoins = unspentCoinsInfo.values
-          .where((element) => element.walletId.contains(id));
+      final currentWalletUnspentCoins =
+          unspentCoinsInfo.values.where((element) => element.walletId.contains(id));
 
       if (currentWalletUnspentCoins.isNotEmpty) {
         currentWalletUnspentCoins.forEach((element) {
@@ -486,16 +468,14 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
   }
 
   String getTransactionAddress(int accountIndex, int addressIndex) =>
-      monero_wallet.getAddress(
-          accountIndex: accountIndex,
-          addressIndex: addressIndex);
+      monero_wallet.getAddress(accountIndex: accountIndex, addressIndex: addressIndex);
 
   @override
   Future<Map<String, MoneroTransactionInfo>> fetchTransactions() async {
     transaction_history.refreshTransactions();
-    return _getAllTransactionsOfAccount(walletAddresses.account?.id).fold<Map<String, MoneroTransactionInfo>>(
-        <String, MoneroTransactionInfo>{},
-        (Map<String, MoneroTransactionInfo> acc, MoneroTransactionInfo tx) {
+    return _getAllTransactionsOfAccount(walletAddresses.account?.id)
+        .fold<Map<String, MoneroTransactionInfo>>(<String, MoneroTransactionInfo>{},
+            (Map<String, MoneroTransactionInfo> acc, MoneroTransactionInfo tx) {
       acc[tx.id] = tx;
       return acc;
     });
@@ -523,12 +503,11 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
     return monero_wallet.getSubaddressLabel(accountIndex, addressIndex);
   }
 
-  List<MoneroTransactionInfo> _getAllTransactionsOfAccount(int? accountIndex) =>
-      transaction_history
-          .getAllTransactions()
-          .map((row) => MoneroTransactionInfo.fromRow(row))
-          .where((element) => element.accountIndex == (accountIndex ?? 0))
-          .toList();
+  List<MoneroTransactionInfo> _getAllTransactionsOfAccount(int? accountIndex) => transaction_history
+      .getAllTransactions()
+      .map((row) => MoneroTransactionInfo.fromRow(row))
+      .where((element) => element.accountIndex == (accountIndex ?? 0))
+      .toList();
 
   void _setListeners() {
     _listener?.stop();
@@ -550,8 +529,7 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
   }
 
   int _getHeightDistance(DateTime date) {
-    final distance =
-        DateTime.now().millisecondsSinceEpoch - date.millisecondsSinceEpoch;
+    final distance = DateTime.now().millisecondsSinceEpoch - date.millisecondsSinceEpoch;
     final daysTmp = (distance / 86400).round();
     final days = daysTmp < 1 ? 1 : daysTmp;
 
@@ -582,11 +560,9 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
     }
   }
 
-  Future<void> _askForUpdateTransactionHistory() async =>
-      await updateTransactions();
+  Future<void> _askForUpdateTransactionHistory() async => await updateTransactions();
 
-  int _getFullBalance() =>
-      monero_wallet.getFullBalance(accountIndex: walletAddresses.account!.id);
+  int _getFullBalance() => monero_wallet.getFullBalance(accountIndex: walletAddresses.account!.id);
 
   int _getUnlockedBalance() =>
       monero_wallet.getUnlockedBalance(accountIndex: walletAddresses.account!.id);
@@ -595,8 +571,7 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
     var frozenBalance = 0;
 
     for (var coin in unspentCoinsInfo.values) {
-      if (coin.isFrozen)
-        frozenBalance += coin.value;
+      if (coin.isFrozen) frozenBalance += coin.value;
     }
 
     return frozenBalance;
@@ -617,9 +592,9 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
         syncStatus = SyncedSyncStatus();
 
         if (!_hasSyncAfterStartup) {
-           _hasSyncAfterStartup = true;
-           await save();
-         }
+          _hasSyncAfterStartup = true;
+          await save();
+        }
 
         if (walletInfo.isRecovery) {
           await setAsRecovered();
@@ -644,12 +619,12 @@ abstract class MoneroWalletBase extends WalletBase<MoneroBalance,
 
   void _updateSubAddress(bool enableAutoGenerate, {Account? account}) {
     if (enableAutoGenerate) {
-         walletAddresses.updateUnusedSubaddress(
-          accountIndex: account?.id ?? 0,
-          defaultLabel: account?.label ?? '',
-        );
-      } else {
-        walletAddresses.updateSubaddressList(accountIndex: account?.id ?? 0);
-      }
+      walletAddresses.updateUnusedSubaddress(
+        accountIndex: account?.id ?? 0,
+        defaultLabel: account?.label ?? '',
+      );
+    } else {
+      walletAddresses.updateSubaddressList(accountIndex: account?.id ?? 0);
+    }
   }
 }

cw_monero/lib/monero_wallet_service.dart

@@ -57,7 +57,7 @@ class MoneroWalletService extends WalletService<
 
   final Box<WalletInfo> walletInfoSource;
   final Box<UnspentCoinsInfo> unspentCoinsInfoSource;
-
+      
   static bool walletFilesExist(String path) =>
       !File(path).existsSync() && !File('$path.keys').existsSync();
 

cw_nano/lib/banano_balance.dart

@@ -0,0 +1,20 @@
+import 'package:cw_core/balance.dart';
+import 'package:cw_nano/nano_util.dart';
+
+class BananoBalance extends Balance {
+  final BigInt currentBalance;
+  final BigInt receivableBalance;
+
+  BananoBalance({required this.currentBalance, required this.receivableBalance}) : super(0, 0) {
+  }
+
+  @override
+  String get formattedAvailableBalance {
+    return NanoUtil.getRawAsUsableString(currentBalance.toString(), NanoUtil.rawPerBanano);
+  }
+
+  @override
+  String get formattedAdditionalBalance {
+    return NanoUtil.getRawAsUsableString(receivableBalance.toString(), NanoUtil.rawPerBanano);
+  }
+}

cw_nano/lib/cw_nano.dart

@@ -0,0 +1,7 @@
+library cw_nano;
+
+/// A Calculator.
+class Calculator {
+  /// Returns [value] plus 1.
+  int addOne(int value) => value + 1;
+}

cw_nano/lib/file.dart

@@ -0,0 +1,39 @@
+import 'dart:io';
+import 'package:cw_core/key.dart';
+import 'package:encrypt/encrypt.dart' as encrypt;
+
+Future<void> write(
+    {required String path,
+    required String password,
+    required String data}) async {
+  final keys = extractKeys(password);
+  final key = encrypt.Key.fromBase64(keys.first);
+  final iv = encrypt.IV.fromBase64(keys.last);
+  final encrypted = await encode(key: key, iv: iv, data: data);
+  final f = File(path);
+  f.writeAsStringSync(encrypted);
+}
+
+Future<void> writeData(
+    {required String path,
+    required String password,
+    required String data}) async {
+  final keys = extractKeys(password);
+  final key = encrypt.Key.fromBase64(keys.first);
+  final iv = encrypt.IV.fromBase64(keys.last);
+  final encrypted = await encode(key: key, iv: iv, data: data);
+  final f = File(path);
+  f.writeAsStringSync(encrypted);
+}
+
+Future<String> read({required String path, required String password}) async {
+  final file = File(path);
+
+  if (!file.existsSync()) {
+    file.createSync();
+  }
+
+  final encrypted = file.readAsStringSync();
+
+  return decode(password: password, data: encrypted);
+}

cw_nano/lib/nano_account_list.dart

@@ -0,0 +1,69 @@
+import 'package:cw_core/cake_hive.dart';
+import 'package:cw_core/nano_account.dart';
+import 'package:mobx/mobx.dart';
+import 'package:hive/hive.dart';
+
+part 'nano_account_list.g.dart';
+
+class NanoAccountList = NanoAccountListBase with _$NanoAccountList;
+
+abstract class NanoAccountListBase with Store {
+  NanoAccountListBase(this.address)
+      : accounts = ObservableList<NanoAccount>(),
+        _isRefreshing = false,
+        _isUpdating = false {
+    refresh();
+  }
+
+  @observable
+  ObservableList<NanoAccount> accounts;
+  bool _isRefreshing;
+  bool _isUpdating;
+
+  String address;
+
+  Future<void> update(String? address) async {
+    if (_isUpdating) {
+      return;
+    }
+
+    try {
+      _isUpdating = true;
+
+      final accounts = await getAll(address: address ?? this.address);
+
+      if (accounts.isNotEmpty) {
+        this.accounts.clear();
+        this.accounts.addAll(accounts);
+      }
+
+      _isUpdating = false;
+    } catch (e) {
+      _isUpdating = false;
+      rethrow;
+    }
+  }
+
+  Future<List<NanoAccount>> getAll({String? address}) async {
+    final box = await CakeHive.openBox<NanoAccount>(address ?? this.address);
+
+    // get all accounts in box:
+    return box.values.toList();
+  }
+
+  Future<void> addAccount({required String label}) async {
+    final box = await CakeHive.openBox<NanoAccount>(address);
+    final account = NanoAccount(id: box.length, label: label, balance: "0.00", isSelected: false);
+    await box.add(account);
+    await account.save();
+  }
+
+  Future<void> setLabelAccount({required int accountIndex, required String label}) async {
+    final box = await CakeHive.openBox<NanoAccount>(address);
+    final account = box.getAt(accountIndex);
+    account!.label = label;
+    await account.save();
+  }
+
+  void refresh() {}
+}

cw_nano/lib/nano_balance.dart

@@ -0,0 +1,34 @@
+import 'package:cw_core/balance.dart';
+import 'package:cw_nano/nano_util.dart';
+
+BigInt stringAmountToBigInt(String amount) {
+  return BigInt.parse(NanoUtil.getAmountAsRaw(amount, NanoUtil.rawPerNano));
+}
+
+class NanoBalance extends Balance {
+  final BigInt currentBalance;
+  final BigInt receivableBalance;
+  late String formattedCurrentBalance;
+  late String formattedReceivableBalance;
+
+  NanoBalance({required this.currentBalance, required this.receivableBalance}) : super(0, 0) {
+    this.formattedCurrentBalance = "";
+    this.formattedReceivableBalance = "";
+  }
+
+  NanoBalance.fromString(
+      {required this.formattedCurrentBalance, required this.formattedReceivableBalance})
+      : currentBalance = stringAmountToBigInt(formattedCurrentBalance),
+        receivableBalance = stringAmountToBigInt(formattedReceivableBalance),
+        super(0, 0);
+
+  @override
+  String get formattedAvailableBalance {
+    return NanoUtil.getRawAsUsableString(currentBalance.toString(), NanoUtil.rawPerNano);
+  }
+
+  @override
+  String get formattedAdditionalBalance {
+    return NanoUtil.getRawAsUsableString(receivableBalance.toString(), NanoUtil.rawPerNano);
+  }
+}

cw_nano/lib/nano_client.dart

@@ -0,0 +1,424 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:cw_core/nano_account_info_response.dart';
+import 'package:cw_nano/nano_balance.dart';
+import 'package:cw_nano/nano_transaction_model.dart';
+import 'package:cw_nano/nano_util.dart';
+import 'package:http/http.dart' as http;
+import 'package:nanodart/nanodart.dart';
+import 'package:cw_core/node.dart';
+
+class NanoClient {
+  static const String DEFAULT_REPRESENTATIVE =
+      "nano_38713x95zyjsqzx6nm1dsom1jmm668owkeb9913ax6nfgj15az3nu8xkx579";
+
+  Node? _node;
+  Node? _powNode;
+
+  bool connect(Node node) {
+    try {
+      _node = node;
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  bool connectPow(Node node) {
+    try {
+      _powNode = node;
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  Future<NanoBalance> getBalance(String address) async {
+    final response = await http.post(
+      _node!.uri,
+      headers: {"Content-Type": "application/json"},
+      body: jsonEncode(
+        {
+          "action": "account_balance",
+          "account": address,
+        },
+      ),
+    );
+    final data = await jsonDecode(response.body);
+    final String currentBalance = data["balance"] as String;
+    final String receivableBalance = data["receivable"] as String;
+    final BigInt cur = BigInt.parse(currentBalance);
+    final BigInt rec = BigInt.parse(receivableBalance);
+    return NanoBalance(currentBalance: cur, receivableBalance: rec);
+  }
+
+  Future<AccountInfoResponse?> getAccountInfo(String address) async {
+    try {
+      final response = await http.post(
+        _node!.uri,
+        headers: {"Content-Type": "application/json"},
+        body: jsonEncode(
+          {
+            "action": "account_info",
+            "representative": "true",
+            "account": address,
+          },
+        ),
+      );
+      final data = await jsonDecode(response.body);
+      return AccountInfoResponse.fromJson(data as Map<String, dynamic>);
+    } catch (e) {
+      print("error while getting account info");
+      return null;
+    }
+  }
+
+  Future<String> changeRep({
+    required String privateKey,
+    required String repAddress,
+    required String ourAddress,
+  }) async {
+    try {
+      AccountInfoResponse? accountInfo = await getAccountInfo(ourAddress);
+
+      if (accountInfo == null) {
+        throw Exception("error while getting account info");
+      }
+
+      // construct the change block:
+      Map<String, String> changeBlock = {
+        "type": "state",
+        "account": ourAddress,
+        "previous": accountInfo.frontier,
+        "representative": repAddress,
+        "balance": accountInfo.balance,
+        "link": "0000000000000000000000000000000000000000000000000000000000000000",
+        "link_as_account": "nano_1111111111111111111111111111111111111111111111111111hifc8npp",
+      };
+
+      // sign the change block:
+      final String hash = NanoBlocks.computeStateHash(
+        NanoAccountType.NANO,
+        changeBlock["account"]!,
+        changeBlock["previous"]!,
+        changeBlock["representative"]!,
+        BigInt.parse(changeBlock["balance"]!),
+        changeBlock["link"]!,
+      );
+      final String signature = NanoSignatures.signBlock(hash, privateKey);
+
+      // get PoW for the send block:
+      final String work = await requestWork(accountInfo.frontier);
+
+      changeBlock["signature"] = signature;
+      changeBlock["work"] = work;
+
+      return await processBlock(changeBlock, "change");
+    } catch (e) {
+      throw Exception("error while changing representative");
+    }
+  }
+
+  Future<String> requestWork(String hash) async {
+    final response = await http.post(
+      _powNode!.uri,
+      headers: {'Content-type': 'application/json'},
+      body: json.encode(
+        {
+          "action": "work_generate",
+          "hash": hash,
+        },
+      ),
+    );
+    if (response.statusCode == 200) {
+      final Map<String, dynamic> decoded = json.decode(response.body) as Map<String, dynamic>;
+      if (decoded.containsKey("error")) {
+        throw Exception("Received error ${decoded["error"]}");
+      }
+      return decoded["work"] as String;
+    } else {
+      throw Exception("Received work error ${response.body}");
+    }
+  }
+
+  Future<String> send({
+    required String privateKey,
+    required String amountRaw,
+    required String destinationAddress,
+  }) async {
+    final Map<String, String> sendBlock = await constructSendBlock(
+      privateKey: privateKey,
+      amountRaw: amountRaw,
+      destinationAddress: destinationAddress,
+    );
+
+    return await processBlock(sendBlock, "send");
+  }
+
+  Future<String> processBlock(Map<String, String> block, String subtype) async {
+    final headers = {"Content-Type": "application/json"};
+    final processBody = jsonEncode({
+      "action": "process",
+      "json_block": "true",
+      "subtype": subtype,
+      "block": block,
+    });
+
+    final processResponse = await http.post(
+      _node!.uri,
+      headers: headers,
+      body: processBody,
+    );
+
+    final Map<String, dynamic> decoded = json.decode(processResponse.body) as Map<String, dynamic>;
+    if (decoded.containsKey("error")) {
+      throw Exception("Received error ${decoded["error"]}");
+    }
+
+    // return the hash of the transaction:
+    return decoded["hash"].toString();
+  }
+
+  Future<Map<String, String>> constructSendBlock({
+    required String privateKey,
+    required String amountRaw,
+    required String destinationAddress,
+    BigInt? balanceAfterTx,
+    String? previousHash,
+  }) async {
+    try {
+      // our address:
+      final String publicAddress = NanoUtil.privateKeyToAddress(privateKey);
+
+      // first get the current account balance:
+      if (balanceAfterTx == null) {
+        final BigInt currentBalance = (await getBalance(publicAddress)).currentBalance;
+        final BigInt txAmount = BigInt.parse(amountRaw);
+        balanceAfterTx = currentBalance - txAmount;
+      }
+
+      // get the account info (we need the frontier and representative):
+      AccountInfoResponse? infoResponse = await getAccountInfo(publicAddress);
+      if (infoResponse == null) {
+        throw Exception(
+            "error while getting account info! (we probably don't have an open account yet)");
+      }
+
+      String frontier = infoResponse.frontier;
+      // override if provided:
+      if (previousHash != null) {
+        frontier = previousHash;
+      }
+      final String representative = infoResponse.representative;
+      // link = destination address:
+      final String link = NanoAccounts.extractPublicKey(destinationAddress);
+      final String linkAsAccount = destinationAddress;
+
+      // construct the send block:
+      Map<String, String> sendBlock = {
+        "type": "state",
+        "account": publicAddress,
+        "previous": frontier,
+        "representative": representative,
+        "balance": balanceAfterTx.toString(),
+        "link": link,
+      };
+
+      // sign the send block:
+      final String hash = NanoBlocks.computeStateHash(
+        NanoAccountType.NANO,
+        sendBlock["account"]!,
+        sendBlock["previous"]!,
+        sendBlock["representative"]!,
+        BigInt.parse(sendBlock["balance"]!),
+        sendBlock["link"]!,
+      );
+      final String signature = NanoSignatures.signBlock(hash, privateKey);
+
+      // get PoW for the send block:
+      final String work = await requestWork(frontier);
+
+      sendBlock["link_as_account"] = linkAsAccount;
+      sendBlock["signature"] = signature;
+      sendBlock["work"] = work;
+
+      // ready to post send block:
+      return sendBlock;
+    } catch (e) {
+      print(e);
+      rethrow;
+    }
+  }
+
+  Future<void> receiveBlock({
+    required String blockHash,
+    required String source,
+    required String amountRaw,
+    required String destinationAddress,
+    required String privateKey,
+  }) async {
+    bool openBlock = false;
+
+    final headers = {
+      "Content-Type": "application/json",
+    };
+
+    // first check if the account is open:
+    // get the account info (we need the frontier and representative):
+    AccountInfoResponse? infoData = await getAccountInfo(destinationAddress);
+    String? frontier;
+    String? representative;
+
+    if (infoData == null) {
+      // account is not open yet, we need to create an open block:
+      openBlock = true;
+      // we don't have a representative set yet:
+      representative = DEFAULT_REPRESENTATIVE;
+      // we don't have a frontier yet:
+      frontier = "0000000000000000000000000000000000000000000000000000000000000000";
+    } else {
+      frontier = infoData.frontier;
+      representative = infoData.representative;
+    }
+
+    // first get the account balance:
+    final BigInt currentBalance = (await getBalance(destinationAddress)).currentBalance;
+    final BigInt txAmount = BigInt.parse(amountRaw);
+    final BigInt balanceAfterTx = currentBalance + txAmount;
+
+    // link = send block hash:
+    final String link = blockHash;
+    // this "linkAsAccount" is meaningless:
+    final String linkAsAccount = NanoAccounts.createAccount(NanoAccountType.NANO, blockHash);
+
+    // construct the receive block:
+    Map<String, String> receiveBlock = {
+      "type": "state",
+      "account": destinationAddress,
+      "previous": frontier,
+      "representative": representative,
+      "balance": balanceAfterTx.toString(),
+      "link": link,
+      "link_as_account": linkAsAccount,
+    };
+
+    // sign the receive block:
+    final String hash = NanoBlocks.computeStateHash(
+      NanoAccountType.NANO,
+      receiveBlock["account"]!,
+      receiveBlock["previous"]!,
+      receiveBlock["representative"]!,
+      BigInt.parse(receiveBlock["balance"]!),
+      receiveBlock["link"]!,
+    );
+    final String signature = NanoSignatures.signBlock(hash, privateKey);
+
+    // get PoW for the receive block:
+    String? work;
+    if (openBlock) {
+      work = await requestWork(NanoAccounts.extractPublicKey(destinationAddress));
+    } else {
+      work = await requestWork(frontier);
+    }
+    receiveBlock["link_as_account"] = linkAsAccount;
+    receiveBlock["signature"] = signature;
+    receiveBlock["work"] = work;
+
+    // process the receive block:
+
+    final processBody = jsonEncode({
+      "action": "process",
+      "json_block": "true",
+      "subtype": "receive",
+      "block": receiveBlock,
+    });
+    final processResponse = await http.post(
+      _node!.uri,
+      headers: headers,
+      body: processBody,
+    );
+
+    final Map<String, dynamic> decoded = json.decode(processResponse.body) as Map<String, dynamic>;
+    if (decoded.containsKey("error")) {
+      throw Exception("Received error ${decoded["error"]}");
+    }
+  }
+
+  // returns the number of blocks received:
+  Future<int> confirmAllReceivable({
+    required String destinationAddress,
+    required String privateKey,
+  }) async {
+    final receivableResponse = await http.post(_node!.uri,
+        headers: {"Content-Type": "application/json"},
+        body: jsonEncode({
+          "action": "receivable",
+          "account": destinationAddress,
+          "count": "-1",
+          "source": true,
+        }));
+
+    final receivableData = await jsonDecode(receivableResponse.body);
+    if (receivableData["blocks"] == "" || receivableData["blocks"] == null) {
+      return 0;
+    }
+
+    dynamic blocks;
+    if (receivableData["blocks"] is List<dynamic>) {
+      var listBlocks = receivableData["blocks"] as List<dynamic>;
+      if (listBlocks.isEmpty) {
+        return 0;
+      }
+      blocks = {for (var block in listBlocks) block['hash']: block};
+    } else {
+      blocks = receivableData["blocks"] as Map<String, dynamic>;
+    }
+
+    blocks = blocks as Map<String, dynamic>;
+
+    // confirm all receivable blocks:
+    for (final blockHash in blocks.keys) {
+      final block = blocks[blockHash];
+      final String amountRaw = block["amount"] as String;
+      final String source = block["source"] as String;
+      await receiveBlock(
+        blockHash: blockHash,
+        source: source,
+        amountRaw: amountRaw,
+        privateKey: privateKey,
+        destinationAddress: destinationAddress,
+      );
+      // a bit of a hack:
+      await Future<void>.delayed(const Duration(seconds: 2));
+    }
+
+    return blocks.keys.length;
+  }
+
+  void stop() {}
+
+  Future<List<NanoTransactionModel>> fetchTransactions(String address) async {
+    try {
+      final response = await http.post(_node!.uri,
+          headers: {"Content-Type": "application/json"},
+          body: jsonEncode({
+            "action": "account_history",
+            "account": address,
+            "count": "250", // TODO: pick a number
+            // "raw": true,
+          }));
+      final data = await jsonDecode(response.body);
+      final transactions = data["history"] is List ? data["history"] as List<dynamic> : [];
+
+      // Map the transactions list to NanoTransactionModel using the factory
+      // reversed so that the DateTime is correct when local_timestamp is absent
+      return transactions.reversed
+          .map<NanoTransactionModel>((transaction) => NanoTransactionModel.fromJson(transaction))
+          .toList();
+    } catch (e) {
+      print(e);
+      return [];
+    }
+  }
+}

cw_nano/lib/nano_transaction_credentials.dart

@@ -0,0 +1,7 @@
+import 'package:cw_core/output_info.dart';
+
+class NanoTransactionCredentials {
+  NanoTransactionCredentials(this.outputs);
+
+  final List<OutputInfo> outputs;
+}

cw_nano/lib/nano_transaction_history.dart

@@ -0,0 +1,72 @@
+import 'dart:convert';
+import 'dart:core';
+import 'package:cw_core/pathForWallet.dart';
+import 'package:cw_core/wallet_info.dart';
+import 'package:cw_nano/file.dart';
+import 'package:mobx/mobx.dart';
+import 'package:cw_core/transaction_history.dart';
+import 'package:cw_nano/nano_transaction_info.dart';
+
+part 'nano_transaction_history.g.dart';
+const transactionsHistoryFileName = 'transactions.json';
+
+class NanoTransactionHistory = NanoTransactionHistoryBase with _$NanoTransactionHistory;
+
+abstract class NanoTransactionHistoryBase
+    extends TransactionHistoryBase<NanoTransactionInfo> with Store {
+  NanoTransactionHistoryBase({required this.walletInfo, required String password})
+      : _password = password {
+    transactions = ObservableMap<String, NanoTransactionInfo>();
+  }
+
+  final WalletInfo walletInfo;
+  String _password;
+
+  Future<void> init() async => await _load();
+
+  @override
+  Future<void> save() async {
+    try {
+      final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
+      final path = '$dirPath/$transactionsHistoryFileName';
+      final data = json.encode({'transactions': transactions});
+      await writeData(path: path, password: _password, data: data);
+    } catch (e) {
+      print('Error while save nano transaction history: ${e.toString()}');
+    }
+  }
+
+  @override
+  void addOne(NanoTransactionInfo transaction) => transactions[transaction.id] = transaction;
+
+  @override
+  void addMany(Map<String, NanoTransactionInfo> transactions) =>
+      this.transactions.addAll(transactions);
+
+  Future<Map<String, dynamic>> _read() async {
+    final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
+    final path = '$dirPath/$transactionsHistoryFileName';
+    final content = await read(path: path, password: _password);
+    return json.decode(content) as Map<String, dynamic>;
+  }
+
+  Future<void> _load() async {
+    try {
+      final content = await _read();
+      final txs = content['transactions'] as Map<String, dynamic>? ?? {};
+
+      txs.entries.forEach((entry) {
+        final val = entry.value;
+
+        if (val is Map<String, dynamic>) {
+          final tx = NanoTransactionInfo.fromJson(val);
+          _update(tx);
+        }
+      });
+    } catch (e) {
+      print(e);
+    }
+  }
+
+  void _update(NanoTransactionInfo transaction) => transactions[transaction.id] = transaction;
+}

cw_nano/lib/nano_transaction_info.dart

@@ -0,0 +1,70 @@
+import 'package:cw_core/format_amount.dart';
+import 'package:cw_core/transaction_direction.dart';
+import 'package:cw_core/transaction_info.dart';
+import 'package:cw_nano/nano_util.dart';
+
+class NanoTransactionInfo extends TransactionInfo {
+  NanoTransactionInfo({
+    required this.id,
+    required this.height,
+    required this.amountRaw,
+    this.tokenSymbol = "XNO",
+    required this.direction,
+    required this.confirmed,
+    required this.date,
+    required this.confirmations,
+  }) : this.amount = amountRaw.toInt();
+
+  final String id;
+  final int height;
+  final int amount;
+  final BigInt amountRaw;
+  final TransactionDirection direction;
+  final DateTime date;
+  final bool confirmed;
+  final int confirmations;
+  final String tokenSymbol;
+  String? _fiatAmount;
+
+  bool get isPending => !this.confirmed;
+
+  @override
+  String amountFormatted() {
+    final String amt = NanoUtil.getRawAsUsableString(amountRaw.toString(), NanoUtil.rawPerNano);
+    final String acc = NanoUtil.getRawAccuracy(amountRaw.toString(), NanoUtil.rawPerNano);
+    return "$acc$amt $tokenSymbol";
+  }
+
+  @override
+  String fiatAmount() => _fiatAmount ?? '';
+
+  @override
+  void changeFiatAmount(String amount) => _fiatAmount = formatAmount(amount);
+
+  @override
+  String feeFormatted() => "0 XNO";
+
+  factory NanoTransactionInfo.fromJson(Map<String, dynamic> data) {
+    return NanoTransactionInfo(
+      id: data['id'] as String,
+      height: data['height'] as int,
+      amountRaw: BigInt.parse(data['amountRaw'] as String),
+      direction: parseTransactionDirectionFromInt(data['direction'] as int),
+      date: DateTime.fromMillisecondsSinceEpoch(data['date'] as int),
+      confirmed: data['confirmed'] as bool,
+      confirmations: data['confirmations'] as int,
+      tokenSymbol: data['tokenSymbol'] as String,
+    );
+  }
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'height': height,
+        'amountRaw': amountRaw.toString(),
+        'direction': direction.index,
+        'date': date.millisecondsSinceEpoch,
+        'confirmed': confirmed,
+        'confirmations': confirmations,
+        'tokenSymbol': tokenSymbol,
+      };
+}

cw_nano/lib/nano_transaction_model.dart

@@ -0,0 +1,39 @@
+class NanoTransactionModel {
+  final DateTime? date;
+  final String hash;
+  final bool confirmed;
+  final String account;
+  final BigInt amount;
+  final int height;
+  final String type;
+
+  NanoTransactionModel({
+    this.date,
+    required this.hash,
+    required this.height,
+    required this.amount,
+    required this.confirmed,
+    required this.type,
+    required this.account,
+  });
+
+  factory NanoTransactionModel.fromJson(dynamic json) {
+    DateTime? localTimestamp;
+    try {
+      localTimestamp = DateTime.fromMillisecondsSinceEpoch(
+          int.parse(json["local_timestamp"] as String) * 1000);
+    } catch (e) {
+      localTimestamp = DateTime.now();
+    }
+
+    return NanoTransactionModel(
+      date: localTimestamp,
+      hash: json["hash"] as String,
+      height: int.parse(json["height"] as String),
+      type: json["type"] as String,
+      amount: BigInt.parse(json["amount"] as String),
+      account: json["account"] as String,
+      confirmed: (json["confirmed"] as String) == "true",
+    );
+  }
+}

cw_nano/lib/nano_util.dart

@@ -0,0 +1,193 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
+import 'package:convert/convert.dart';
+import "package:ed25519_hd_key/ed25519_hd_key.dart";
+import 'package:libcrypto/libcrypto.dart';
+import 'package:nanodart/nanodart.dart';
+import 'package:decimal/decimal.dart';
+
+class NanoUtil {
+  // standard:
+  static String seedToPrivate(String seed, int index) {
+    return NanoKeys.seedToPrivate(seed, index);
+  }
+
+  static String seedToAddress(String seed, int index) {
+    return NanoAccounts.createAccount(
+        NanoAccountType.NANO, privateKeyToPublic(seedToPrivate(seed, index)));
+  }
+
+  static String seedToMnemonic(String seed) {
+    return NanoMnemomics.seedToMnemonic(seed).join(" ");
+  }
+
+  static Future<String> mnemonicToSeed(String mnemonic) async {
+    return NanoMnemomics.mnemonicListToSeed(mnemonic.split(' '));
+  }
+
+  static String privateKeyToPublic(String privateKey) {
+    // return NanoHelpers.byteToHex(Ed25519Blake2b.getPubkey(NanoHelpers.hexToBytes(privateKey))!);
+    return NanoKeys.createPublicKey(privateKey);
+  }
+
+  static String addressToPublicKey(String publicAddress) {
+    return NanoAccounts.extractPublicKey(publicAddress);
+  }
+
+  // universal:
+  static String privateKeyToAddress(String privateKey) {
+    return NanoAccounts.createAccount(NanoAccountType.NANO, privateKeyToPublic(privateKey));
+  }
+
+  static String publicKeyToAddress(String publicKey) {
+    return NanoAccounts.createAccount(NanoAccountType.NANO, publicKey);
+  }
+
+  // standard + hd:
+  static bool isValidSeed(String seed) {
+    // Ensure seed is 64 or 128 characters long
+    if (seed == null || (seed.length != 64 && seed.length != 128)) {
+      return false;
+    }
+    // Ensure seed only contains hex characters, 0-9;A-F
+    return NanoHelpers.isHexString(seed);
+  }
+
+  // // hd:
+  static Future<String> hdMnemonicListToSeed(List<String> words) async {
+    // if (words.length != 24) {
+    //   throw Exception('Expected a 24-word list, got a ${words.length} list');
+    // }
+    final Uint8List salt = Uint8List.fromList(utf8.encode('mnemonic'));
+    final Pbkdf2 hasher = Pbkdf2(iterations: 2048);
+    final String seed = await hasher.sha512(words.join(' '), salt);
+    return seed;
+  }
+
+  static Future<String> hdSeedToPrivate(String seed, int index) async {
+    List<int> seedBytes = hex.decode(seed);
+    KeyData data = await ED25519_HD_KEY.derivePath("m/44'/165'/$index'", seedBytes);
+    return hex.encode(data.key);
+  }
+
+  static Future<String> hdSeedToAddress(String seed, int index) async {
+    return NanoAccounts.createAccount(
+        NanoAccountType.NANO, privateKeyToPublic(await hdSeedToPrivate(seed, index)));
+  }
+
+  static Future<String> uniSeedToAddress(String seed, int index, String type) {
+    if (type == "standard") {
+      return Future<String>.value(seedToAddress(seed, index));
+    } else if (type == "hd") {
+      return hdSeedToAddress(seed, index);
+    } else {
+      throw Exception('Unknown seed type');
+    }
+  }
+
+  static Future<String> uniSeedToPrivate(String seed, int index, String type) {
+    if (type == "standard") {
+      return Future<String>.value(seedToPrivate(seed, index));
+    } else if (type == "hd") {
+      return hdSeedToPrivate(seed, index);
+    } else {
+      throw Exception('Unknown seed type');
+    }
+  }
+
+  static bool isValidBip39Seed(String seed) {
+    // Ensure seed is 128 characters long
+    if (seed.length != 128) {
+      return false;
+    }
+    // Ensure seed only contains hex characters, 0-9;A-F
+    return NanoHelpers.isHexString(seed);
+  }
+
+  // number util:
+
+  static const int maxDecimalDigits = 6; // Max digits after decimal
+  static BigInt rawPerNano = BigInt.parse("1000000000000000000000000000000");
+  static BigInt rawPerNyano = BigInt.parse("1000000000000000000000000");
+  static BigInt rawPerBanano = BigInt.parse("100000000000000000000000000000");
+  static BigInt rawPerXMR = BigInt.parse("1000000000000");
+  static BigInt convertXMRtoNano = BigInt.parse("1000000000000000000");
+  // static BigInt convertXMRtoNano = BigInt.parse("1000000000000000000000000000");
+
+  /// Convert raw to ban and return as BigDecimal
+  ///
+  /// @param raw 100000000000000000000000000000
+  /// @return Decimal value 1.000000000000000000000000000000
+  ///
+  static Decimal getRawAsDecimal(String? raw, BigInt? rawPerCur) {
+    rawPerCur ??= rawPerNano;
+    final Decimal amount = Decimal.parse(raw.toString());
+    final Decimal result = (amount / Decimal.parse(rawPerCur.toString())).toDecimal();
+    return result;
+  }
+
+  static String truncateDecimal(Decimal input, {int digits = maxDecimalDigits}) {
+    Decimal bigger = input.shift(digits);
+    bigger = bigger.floor(); // chop off the decimal: 1.059 -> 1.05
+    bigger = bigger.shift(-digits);
+    return bigger.toString();
+  }
+
+  /// Return raw as a NANO amount.
+  ///
+  /// @param raw 100000000000000000000000000000
+  /// @returns 1
+  ///
+  static String getRawAsUsableString(String? raw, BigInt rawPerCur) {
+    final String res =
+        truncateDecimal(getRawAsDecimal(raw, rawPerCur), digits: maxDecimalDigits + 9);
+
+    if (raw == null || raw == "0" || raw == "00000000000000000000000000000000") {
+      return "0";
+    }
+
+    if (!res.contains(".")) {
+      return res;
+    }
+
+    final String numAmount = res.split(".")[0];
+    String decAmount = res.split(".")[1];
+
+    // truncate:
+    if (decAmount.length > maxDecimalDigits) {
+      decAmount = decAmount.substring(0, maxDecimalDigits);
+      // remove trailing zeros:
+      decAmount = decAmount.replaceAllMapped(RegExp(r'0+$'), (Match match) => '');
+      if (decAmount.isEmpty) {
+        return numAmount;
+      }
+    }
+
+    return "$numAmount.$decAmount";
+  }
+
+  static String getRawAccuracy(String? raw, BigInt rawPerCur) {
+    final String rawString = getRawAsUsableString(raw, rawPerCur);
+    final String rawDecimalString = getRawAsDecimal(raw, rawPerCur).toString();
+
+    if (raw == null || raw.isEmpty || raw == "0") {
+      return "";
+    }
+
+    if (rawString != rawDecimalString) {
+      return "~";
+    }
+    return "";
+  }
+
+  /// Return readable string amount as raw string
+  /// @param amount 1.01
+  /// @returns  101000000000000000000000000000
+  ///
+  static String getAmountAsRaw(String amount, BigInt rawPerCur) {
+    final Decimal asDecimal = Decimal.parse(amount);
+    final Decimal rawDecimal = Decimal.parse(rawPerCur.toString());
+    return (asDecimal * rawDecimal).toString();
+  }
+}

cw_nano/lib/nano_wallet.dart

@@ -0,0 +1,437 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:cw_core/cake_hive.dart';
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_core/nano_account_info_response.dart';
+import 'package:cw_core/node.dart';
+import 'package:cw_core/pathForWallet.dart';
+import 'package:cw_core/pending_transaction.dart';
+import 'package:cw_core/sync_status.dart';
+import 'package:cw_core/transaction_direction.dart';
+import 'package:cw_core/transaction_priority.dart';
+import 'package:cw_core/wallet_info.dart';
+import 'package:cw_nano/file.dart';
+import 'package:cw_core/nano_account.dart';
+import 'package:cw_nano/nano_balance.dart';
+import 'package:cw_nano/nano_client.dart';
+import 'package:cw_nano/nano_transaction_credentials.dart';
+import 'package:cw_nano/nano_transaction_history.dart';
+import 'package:cw_nano/nano_transaction_info.dart';
+import 'package:cw_nano/nano_util.dart';
+import 'package:cw_nano/nano_wallet_keys.dart';
+import 'package:cw_nano/pending_nano_transaction.dart';
+import 'package:mobx/mobx.dart';
+import 'dart:async';
+import 'package:cw_nano/nano_wallet_addresses.dart';
+import 'package:cw_core/wallet_base.dart';
+import 'package:nanodart/nanodart.dart';
+import 'package:bip39/bip39.dart' as bip39;
+
+part 'nano_wallet.g.dart';
+
+class NanoWallet = NanoWalletBase with _$NanoWallet;
+
+abstract class NanoWalletBase
+    extends WalletBase<NanoBalance, NanoTransactionHistory, NanoTransactionInfo> with Store {
+  NanoWalletBase({
+    required WalletInfo walletInfo,
+    required String mnemonic,
+    required String password,
+    NanoBalance? initialBalance,
+  })  : syncStatus = NotConnectedSyncStatus(),
+        _password = password,
+        _mnemonic = mnemonic,
+        _derivationType = walletInfo.derivationType!,
+        _isTransactionUpdating = false,
+        _client = NanoClient(),
+        walletAddresses = NanoWalletAddresses(walletInfo),
+        balance = ObservableMap<CryptoCurrency, NanoBalance>.of({
+          CryptoCurrency.nano: initialBalance ??
+              NanoBalance(currentBalance: BigInt.zero, receivableBalance: BigInt.zero)
+        }),
+        super(walletInfo) {
+    this.walletInfo = walletInfo;
+    transactionHistory = NanoTransactionHistory(walletInfo: walletInfo, password: password);
+    if (!CakeHive.isAdapterRegistered(NanoAccount.typeId)) {
+      CakeHive.registerAdapter(NanoAccountAdapter());
+    }
+  }
+
+  final String _mnemonic;
+  final String _password;
+  final DerivationType _derivationType;
+
+  String? _privateKey;
+  String? _publicAddress;
+  String? _seedKey;
+
+  String? _representativeAddress;
+  Timer? _receiveTimer;
+
+  late final NanoClient _client;
+  bool _isTransactionUpdating;
+
+  @override
+  NanoWalletAddresses walletAddresses;
+
+  @override
+  @observable
+  SyncStatus syncStatus;
+
+  @override
+  @observable
+  late ObservableMap<CryptoCurrency, NanoBalance> balance;
+
+  // initialize the different forms of private / public key we'll need:
+  Future<void> init() async {
+    final String type = (_derivationType == DerivationType.nano) ? "standard" : "hd";
+
+    // our "mnemonic" is actually a seedkey:
+    if (!_mnemonic.contains(' ')) {
+      _seedKey = _mnemonic;
+    }
+
+    if (_seedKey == null) {
+      if (_derivationType == DerivationType.nano) {
+        _seedKey = bip39.mnemonicToEntropy(_mnemonic).toUpperCase();
+      } else {
+        _seedKey = await NanoUtil.hdMnemonicListToSeed(_mnemonic.split(' '));
+      }
+    }
+    _privateKey = await NanoUtil.uniSeedToPrivate(_seedKey!, 0, type);
+    _publicAddress = await NanoUtil.uniSeedToAddress(_seedKey!, 0, type);
+    this.walletInfo.address = _publicAddress!;
+
+    await walletAddresses.init();
+    await transactionHistory.init();
+    await save();
+  }
+
+  @override
+  int calculateEstimatedFee(TransactionPriority priority, int? amount) {
+    return 0; // always 0 :)
+  }
+
+  @override
+  Future<void> changePassword(String password) {
+    throw UnimplementedError("changePassword");
+  }
+
+  @override
+  void close() {
+    _client.stop();
+  }
+
+  @action
+  @override
+  Future<void> connectToNode({required Node node}) async {
+    try {
+      syncStatus = ConnectingSyncStatus();
+      final isConnected = _client.connect(node);
+      if (!isConnected) {
+        throw Exception("Nano Node connection failed");
+      }
+
+      try {
+        await _updateBalance();
+        await _updateRep();
+        await _receiveAll();
+      } catch (e) {
+        print(e);
+      }
+
+      syncStatus = ConnectedSyncStatus();
+    } catch (e) {
+      print(e);
+      syncStatus = FailedSyncStatus();
+    }
+  }
+
+  @override
+  Future<void> connectToPowNode({required Node node}) async {
+    _client.connectPow(node);
+  }
+
+  @override
+  Future<PendingTransaction> createTransaction(Object credentials) async {
+    credentials = credentials as NanoTransactionCredentials;
+
+    BigInt runningAmount = BigInt.zero;
+    await _updateBalance();
+    BigInt runningBalance = balance[currency]?.currentBalance ?? BigInt.zero;
+
+    final List<Map<String, String>> blocks = [];
+    String? previousHash;
+
+    for (var txOut in credentials.outputs) {
+      late BigInt amt;
+      if (txOut.sendAll) {
+        amt = balance[currency]?.currentBalance ?? BigInt.zero;
+      } else {
+        amt = BigInt.tryParse(
+                NanoUtil.getAmountAsRaw(txOut.cryptoAmount ?? "0", NanoUtil.rawPerNano)) ??
+            BigInt.zero;
+      }
+
+      if (balance[currency]?.currentBalance != null && amt > balance[currency]!.currentBalance) {
+        throw Exception("Trying to send more than entire balance!");
+      }
+
+      runningBalance = runningBalance - amt;
+
+      final block = await _client.constructSendBlock(
+        amountRaw: amt.toString(),
+        destinationAddress: txOut.extractedAddress ?? txOut.address,
+        privateKey: _privateKey!,
+        balanceAfterTx: runningBalance,
+        previousHash: previousHash,
+      );
+      previousHash = NanoBlocks.computeStateHash(
+        NanoAccountType.NANO,
+        block["account"]!,
+        block["previous"]!,
+        block["representative"]!,
+        BigInt.parse(block["balance"]!),
+        block["link"]!,
+      );
+
+      blocks.add(block);
+      runningAmount += amt;
+    }
+
+    try {
+      if (runningAmount > balance[currency]!.currentBalance || runningBalance < BigInt.zero) {
+        throw Exception(("Trying to send more than entire balance!"));
+      }
+    } catch (e) {
+      rethrow;
+    }
+
+    return PendingNanoTransaction(
+      amount: runningAmount,
+      id: "",
+      nanoClient: _client,
+      blocks: blocks,
+    );
+  }
+
+  Future<void> _receiveAll() async {
+    await _updateBalance();
+    int blocksReceived = await this._client.confirmAllReceivable(
+          destinationAddress: _publicAddress!,
+          privateKey: _privateKey!,
+        );
+
+    if (blocksReceived > 0) {
+      await Future<void>.delayed(Duration(seconds: 3));
+      _updateBalance();
+      updateTransactions();
+    }
+  }
+
+  Future<void> updateTransactions() async {
+    try {
+      if (_isTransactionUpdating) {
+        return;
+      }
+
+      _isTransactionUpdating = true;
+      final transactions = await fetchTransactions();
+      transactionHistory.addMany(transactions);
+      await transactionHistory.save();
+      _isTransactionUpdating = false;
+    } catch (_) {
+      _isTransactionUpdating = false;
+    }
+  }
+
+  @override
+  Future<Map<String, NanoTransactionInfo>> fetchTransactions() async {
+    String address = _publicAddress!;
+
+    final transactions = await _client.fetchTransactions(address);
+
+    final Map<String, NanoTransactionInfo> result = {};
+
+    for (var transactionModel in transactions) {
+      result[transactionModel.hash] = NanoTransactionInfo(
+        id: transactionModel.hash,
+        amountRaw: transactionModel.amount,
+        height: transactionModel.height,
+        direction: transactionModel.type == "send"
+            ? TransactionDirection.outgoing
+            : TransactionDirection.incoming,
+        confirmed: transactionModel.confirmed,
+        date: transactionModel.date ?? DateTime.now(),
+        confirmations: transactionModel.confirmed ? 1 : 0,
+      );
+    }
+
+    return result;
+  }
+
+  @override
+  NanoWalletKeys get keys {
+    return NanoWalletKeys(seedKey: _seedKey!);
+  }
+
+  @override
+  String? get privateKey => _seedKey!;
+
+  @override
+  Future<void> rescan({required int height}) async {
+    updateTransactions();
+    _updateBalance();
+    return;
+  }
+
+  @override
+  Future<void> save() async {
+    await walletAddresses.updateAddressesInBox();
+    final path = await makePath();
+    await write(path: path, password: _password, data: toJSON());
+    await transactionHistory.save();
+  }
+
+  @override
+  String get seed => _mnemonic;
+
+  String get representative => _representativeAddress ?? "";
+
+  @action
+  @override
+  Future<void> startSync() async {
+    try {
+      syncStatus = AttemptingSyncStatus();
+      await _updateBalance();
+      await updateTransactions();
+
+      _receiveTimer?.cancel();
+      _receiveTimer = Timer.periodic(const Duration(seconds: 15), (timer) async {
+        // get our balance:
+        await _updateBalance();
+        // if we have anything to receive, process it:
+        if (balance[currency]!.receivableBalance > BigInt.zero) {
+          await _receiveAll();
+        }
+      });
+
+      syncStatus = SyncedSyncStatus();
+    } catch (e) {
+      print(e);
+      syncStatus = FailedSyncStatus();
+      rethrow;
+    }
+  }
+
+  Future<String> makePath() async => pathForWallet(name: walletInfo.name, type: walletInfo.type);
+
+  String toJSON() => json.encode({
+        'seedKey': _seedKey,
+        'mnemonic': _mnemonic,
+        'currentBalance': balance[currency]?.currentBalance.toString() ?? "0",
+        'receivableBalance': balance[currency]?.receivableBalance.toString() ?? "0",
+        'derivationType': _derivationType.toString()
+      });
+
+  static Future<NanoWallet> open({
+    required String name,
+    required String password,
+    required WalletInfo walletInfo,
+  }) async {
+    final path = await pathForWallet(name: name, type: walletInfo.type);
+    final jsonSource = await read(path: path, password: password);
+
+    final data = json.decode(jsonSource) as Map;
+    final mnemonic = data['mnemonic'] as String;
+    final balance = NanoBalance.fromString(
+        formattedCurrentBalance: data['currentBalance'] as String? ?? "0",
+        formattedReceivableBalance: data['receivableBalance'] as String? ?? "0");
+
+    DerivationType derivationType = DerivationType.bip39;
+    if (data['derivationType'] == "DerivationType.nano") {
+      derivationType = DerivationType.nano;
+    }
+
+    walletInfo.derivationType = derivationType;
+
+    return NanoWallet(
+      walletInfo: walletInfo,
+      password: password,
+      mnemonic: mnemonic,
+      initialBalance: balance,
+    );
+    // init() should always be run after this!
+  }
+
+  Future<void> _updateBalance() async {
+    try {
+      balance[currency] = await _client.getBalance(_publicAddress!);
+    } catch (e) {
+      print("Failed to get balance $e");
+    }
+    await save();
+  }
+
+  Future<void> _updateRep() async {
+    try {
+      AccountInfoResponse accountInfo = (await _client.getAccountInfo(_publicAddress!))!;
+      _representativeAddress = accountInfo.representative;
+    } catch (e) {
+      // account not found:
+      _representativeAddress = NanoClient.DEFAULT_REPRESENTATIVE;
+      throw Exception("Failed to get representative address $e");
+    }
+  }
+
+  Future<void> regenerateAddress() async {
+    final String type = (_derivationType == DerivationType.nano) ? "standard" : "hd";
+    _privateKey =
+        await NanoUtil.uniSeedToPrivate(_seedKey!, this.walletAddresses.account!.id, type);
+    _publicAddress =
+        await NanoUtil.uniSeedToAddress(_seedKey!, this.walletAddresses.account!.id, type);
+
+    this.walletInfo.address = _publicAddress!;
+    this.walletAddresses.address = _publicAddress!;
+  }
+
+  Future<void> changeRep(String address) async {
+    try {
+      final String hash = await _client.changeRep(
+        privateKey: _privateKey!,
+        repAddress: address,
+        ourAddress: _publicAddress!,
+      );
+      if (hash.isNotEmpty) {
+        _representativeAddress = address;
+      }
+    } catch (e) {
+      throw Exception("Failed to change representative address $e");
+    }
+  }
+
+  Future<void>? updateBalance() async => await _updateBalance();
+
+  @override
+  Future<void> renameWalletFiles(String newWalletName) async {
+    final currentWalletPath = await pathForWallet(name: walletInfo.name, type: type);
+    final currentWalletFile = File(currentWalletPath);
+
+    final currentDirPath = await pathForWalletDir(name: walletInfo.name, type: type);
+    final currentTransactionsFile = File('$currentDirPath/$transactionsHistoryFileName');
+
+    // Copies current wallet files into new wallet name's dir and files
+    if (currentWalletFile.existsSync()) {
+      final newWalletPath = await pathForWallet(name: newWalletName, type: type);
+      await currentWalletFile.copy(newWalletPath);
+    }
+    if (currentTransactionsFile.existsSync()) {
+      final newDirPath = await pathForWalletDir(name: newWalletName, type: type);
+      await currentTransactionsFile.copy('$newDirPath/$transactionsHistoryFileName');
+    }
+
+    // Delete old name's dir and files
+    await Directory(currentDirPath).delete(recursive: true);
+  }
+}

cw_nano/lib/nano_wallet_addresses.dart

@@ -0,0 +1,50 @@
+import 'package:cw_core/cake_hive.dart';
+import 'package:cw_core/wallet_addresses.dart';
+import 'package:cw_core/wallet_info.dart';
+import 'package:cw_core/nano_account.dart';
+import 'package:cw_nano/nano_account_list.dart';
+import 'package:mobx/mobx.dart';
+
+part 'nano_wallet_addresses.g.dart';
+
+class NanoWalletAddresses = NanoWalletAddressesBase with _$NanoWalletAddresses;
+
+abstract class NanoWalletAddressesBase extends WalletAddresses with Store {
+  NanoWalletAddressesBase(WalletInfo walletInfo)
+      : accountList = NanoAccountList(walletInfo.address),
+        address = '',
+        super(walletInfo);
+  @override
+  @observable
+  String address;
+
+  @observable
+  NanoAccount? account;
+
+  NanoAccountList accountList;
+
+  @override
+  Future<void> init() async {
+    var box = await CakeHive.openBox<NanoAccount>(walletInfo.address);
+    try {
+      box.getAt(0);
+    } catch (e) {
+      box.add(NanoAccount(id: 0, label: "Primary Account", balance: "0.00"));
+    }
+
+    await accountList.update(walletInfo.address);
+    account = accountList.accounts.first;
+    address = walletInfo.address;
+  }
+
+  @override
+  Future<void> updateAddressesInBox() async {
+    try {
+      addressesMap.clear();
+      addressesMap[address] = '';
+      await saveAddressesInBox();
+    } catch (e) {
+      print(e.toString());
+    }
+  }
+}

cw_nano/lib/nano_wallet_creation_credentials.dart

@@ -0,0 +1,41 @@
+import 'package:cw_core/wallet_credentials.dart';
+import 'package:cw_core/wallet_info.dart';
+
+class NanoNewWalletCredentials extends WalletCredentials {
+  NanoNewWalletCredentials({required String name, String? password})
+      : super(name: name, password: password);
+}
+
+class NanoRestoreWalletFromSeedCredentials extends WalletCredentials {
+  NanoRestoreWalletFromSeedCredentials({
+    required String name,
+    required this.mnemonic,
+    int height = 0,
+    String? password,
+    DerivationType? derivationType,
+  }) : super(
+          name: name,
+          password: password,
+          height: height,
+          derivationType: derivationType,
+        );
+
+  final String mnemonic;
+}
+
+class NanoWalletLoadingException implements Exception {
+  @override
+  String toString() => 'Failure to load the wallet.';
+}
+
+class NanoRestoreWalletFromKeysCredentials extends WalletCredentials {
+  NanoRestoreWalletFromKeysCredentials({
+    required String name,
+    required String password,
+    required this.seedKey,
+    this.derivationType,
+  }) : super(name: name, password: password);
+
+  final String seedKey;
+  final DerivationType? derivationType;
+}

cw_nano/lib/nano_wallet_keys.dart

@@ -0,0 +1,5 @@
+class NanoWalletKeys {
+  const NanoWalletKeys({required this.seedKey});
+
+  final String seedKey;
+}

cw_nano/lib/nano_wallet_service.dart

@@ -0,0 +1,163 @@
+import 'dart:io';
+
+import 'package:cw_core/pathForWallet.dart';
+import 'package:cw_core/wallet_base.dart';
+import 'package:cw_core/wallet_info.dart';
+import 'package:cw_core/wallet_service.dart';
+import 'package:cw_core/wallet_type.dart';
+import 'package:cw_nano/nano_mnemonic.dart' as nm;
+import 'package:cw_nano/nano_util.dart';
+import 'package:cw_nano/nano_wallet.dart';
+import 'package:cw_nano/nano_wallet_creation_credentials.dart';
+import 'package:hive/hive.dart';
+import 'package:bip39/bip39.dart' as bip39;
+import 'package:nanodart/nanodart.dart';
+
+class NanoWalletService extends WalletService<NanoNewWalletCredentials,
+    NanoRestoreWalletFromSeedCredentials, NanoRestoreWalletFromKeysCredentials> {
+  NanoWalletService(this.walletInfoSource);
+
+  final Box<WalletInfo> walletInfoSource;
+
+  static bool walletFilesExist(String path) =>
+      !File(path).existsSync() && !File('$path.keys').existsSync();
+
+  @override
+  WalletType getType() => WalletType.nano;
+
+  @override
+  Future<WalletBase> create(NanoNewWalletCredentials credentials) async {
+    // nano standard:
+    DerivationType derivationType = DerivationType.nano;
+    String seedKey = NanoSeeds.generateSeed();
+    String mnemonic = NanoUtil.seedToMnemonic(seedKey);
+
+    credentials.walletInfo!.derivationType = derivationType;
+
+    final wallet = NanoWallet(
+      walletInfo: credentials.walletInfo!,
+      mnemonic: mnemonic,
+      password: credentials.password!,
+    );
+    wallet.init();
+    return wallet;
+  }
+
+  @override
+  Future<void> remove(String wallet) async {
+    final path = await pathForWalletDir(name: wallet, type: getType());
+    final file = Directory(path);
+    final isExist = file.existsSync();
+
+    if (isExist) {
+      await file.delete(recursive: true);
+    }
+
+    final walletInfo = walletInfoSource.values
+        .firstWhere((info) => info.id == WalletBase.idFor(wallet, getType()));
+    await walletInfoSource.delete(walletInfo.key);
+  }
+
+  @override
+  Future<void> rename(String currentName, String password, String newName) async {
+    final currentWalletInfo = walletInfoSource.values
+        .firstWhere((info) => info.id == WalletBase.idFor(currentName, getType()));
+
+    String randomWords =
+        (List<String>.from(nm.NanoMnemomics.WORDLIST)..shuffle()).take(24).join(' ');
+    final currentWallet =
+        NanoWallet(walletInfo: currentWalletInfo, password: password, mnemonic: randomWords);
+
+    await currentWallet.renameWalletFiles(newName);
+
+    final newWalletInfo = currentWalletInfo;
+    newWalletInfo.id = WalletBase.idFor(newName, getType());
+    newWalletInfo.name = newName;
+
+    await walletInfoSource.put(currentWalletInfo.key, newWalletInfo);
+  }
+
+  @override
+  Future<NanoWallet> restoreFromKeys(NanoRestoreWalletFromKeysCredentials credentials) async {
+    if (credentials.seedKey.contains(' ')) {
+      throw Exception("Invalid key!");
+    } else {
+      if (credentials.seedKey.length != 64 && credentials.seedKey.length != 128) {
+        throw Exception("Invalid key length!");
+      }
+    }
+
+    DerivationType derivationType = credentials.derivationType ?? DerivationType.nano;
+    credentials.walletInfo!.derivationType = derivationType;
+
+    String? mnemonic;
+
+    // we can't derive the mnemonic from the key in all cases, only if it's a "nano" seed
+    if (credentials.seedKey.length == 64) {
+      try {
+        mnemonic = NanoUtil.seedToMnemonic(credentials.seedKey);
+      } catch (e) {
+        throw Exception("Wasn't a valid nano style seed!");
+      }
+    }
+
+    final wallet = await NanoWallet(
+      password: credentials.password!,
+      mnemonic: mnemonic ?? credentials.seedKey,
+      walletInfo: credentials.walletInfo!,
+    );
+    await wallet.init();
+    await wallet.save();
+    return wallet;
+  }
+
+  @override
+  Future<NanoWallet> restoreFromSeed(NanoRestoreWalletFromSeedCredentials credentials) async {
+    if (credentials.mnemonic.contains(' ')) {
+      if (!bip39.validateMnemonic(credentials.mnemonic)) {
+        throw nm.NanoMnemonicIsIncorrectException();
+      }
+
+      if (!NanoMnemomics.validateMnemonic(credentials.mnemonic.split(' '))) {
+        throw nm.NanoMnemonicIsIncorrectException();
+      }
+    } else {
+      if (credentials.mnemonic.length != 64 && credentials.mnemonic.length != 128) {
+        throw Exception("Invalid seed length");
+      }
+    }
+
+    DerivationType derivationType = credentials.derivationType ?? DerivationType.nano;
+
+    credentials.walletInfo!.derivationType = derivationType;
+
+    final wallet = await NanoWallet(
+      password: credentials.password!,
+      mnemonic: credentials.mnemonic,
+      walletInfo: credentials.walletInfo!,
+    );
+
+    await wallet.init();
+    await wallet.save();
+    return wallet;
+  }
+
+  @override
+  Future<bool> isWalletExit(String name) async =>
+      File(await pathForWallet(name: name, type: getType())).existsSync();
+
+  @override
+  Future<NanoWallet> openWallet(String name, String password) async {
+    final walletInfo =
+        walletInfoSource.values.firstWhere((info) => info.id == WalletBase.idFor(name, getType()));
+    final wallet = await NanoWalletBase.open(
+      name: name,
+      password: password,
+      walletInfo: walletInfo,
+    );
+
+    await wallet.init();
+    await wallet.save();
+    return wallet;
+  }
+}

cw_nano/lib/pending_nano_transaction.dart

@@ -0,0 +1,40 @@
+import 'package:cw_core/pending_transaction.dart';
+import 'package:cw_nano/nano_client.dart';
+import 'package:cw_nano/nano_util.dart';
+
+class PendingNanoTransaction with PendingTransaction {
+  PendingNanoTransaction({
+    required this.nanoClient,
+    required this.amount,
+    required this.id,
+    required this.blocks,
+  });
+
+  final NanoClient nanoClient;
+  final BigInt amount;
+  final String id;
+  final List<Map<String, String>> blocks;
+  String hex = "unused";
+
+  @override
+  String get amountFormatted {
+    final String amt = NanoUtil.getRawAsUsableString(amount.toString(), NanoUtil.rawPerNano);
+    return amt;
+  }
+
+  String get accurateAmountFormatted {
+    final String amt = NanoUtil.getRawAsUsableString(amount.toString(), NanoUtil.rawPerNano);
+    final String acc = NanoUtil.getRawAccuracy(amount.toString(), NanoUtil.rawPerNano);
+    return "$acc$amt";
+  }
+
+  @override
+  String get feeFormatted => "0";
+
+  @override
+  Future<void> commit() async {
+    for (var block in blocks) {
+      await nanoClient.processBlock(block, "send");
+    }
+  }
+}

cw_nano/pubspec.lock

@@ -0,0 +1,756 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      sha256: "4897882604d919befd350648c7f91926a9d5de99e67b455bf0917cc2362f4bb8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "47.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      sha256: "690e335554a8385bc9d787117d9eb52c0c03ee207a607e593de3c9d71b1cfe80"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.7.0"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  asn1lib:
+    dependency: transitive
+    description:
+      name: asn1lib
+      sha256: b74e3842a52c61f8819a1ec8444b4de5419b41a7465e69d4aa681445377398b0
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.0"
+  bip32:
+    dependency: "direct main"
+    description:
+      name: bip32
+      sha256: "54787cd7a111e9d37394aabbf53d1fc5e2e0e0af2cd01c459147a97c0e3f8a97"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  bip39:
+    dependency: "direct main"
+    description:
+      name: bip39
+      sha256: de1ee27ebe7d96b84bb3a04a4132a0a3007dcdd5ad27dd14aa87a29d97c45edc
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.6"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  bs58check:
+    dependency: transitive
+    description:
+      name: bs58check
+      sha256: c4a164d42b25c2f6bc88a8beccb9fc7d01440f3c60ba23663a20a70faf484ea9
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      sha256: "3fbda25365741f8251b39f3917fb3c8e286a96fd068a5a242e11c2012d495777"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      sha256: bf80fcfb46a29945b423bd9aad884590fb1dc69b330a4d4700cac476af1708d1
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      sha256: "757153e5d9cd88253cb13f28c2fb55a537dc31fefd98137549895b5beb7c6169"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      sha256: "687cf90a3951affac1bd5f9ecb5e3e90b60487f3d9cdc359bb310f8876bb02a6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.10"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      sha256: b0a8a7b8a76c493e85f1b84bffa0588859a06197863dba8c9036b15581fd9727
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.3"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      sha256: "0671ad4162ed510b70d0eb4ad6354c249f8429cab4ae7a4cec86bbc2886eb76e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.2.7+1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: "598a2a682e2a7a90f08ba39c0aaa9374c5112340f0a2e275f61b59389543d166"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.6.1"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: feb6bed21949061731a7a75fc5d2aa727cf160b91af9a3e464c5e3a32e28b5ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      sha256: "4ad01d6e56db961d29661561effde45e519939fdaeb46c351275b182eac70189"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.5.0"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.17.1"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
+  cw_core:
+    dependency: "direct main"
+    description:
+      path: "../cw_core"
+      relative: true
+    source: path
+    version: "0.0.1"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      sha256: "7a03456c3490394c8e7665890333e91ae8a49be43542b616e414449ac358acd4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.4"
+  decimal:
+    dependency: "direct main"
+    description:
+      name: decimal
+      sha256: "24a261d5d5c87e86c7651c417a5dbdf8bcd7080dd592533910e8d0505a279f21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.3"
+  ed25519_hd_key:
+    dependency: "direct main"
+    description:
+      name: ed25519_hd_key
+      sha256: "326608234e986ea826a5db4cf4cd6826058d860875a3fff7926c0725fe1a604d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  encrypt:
+    dependency: transitive
+    description:
+      name: encrypt
+      sha256: "4fd4e4fdc21b9d7d4141823e1e6515cd94e7b8d84749504c232999fba25d9bbb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.1"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: ed5337a5660c506388a9f012be0288fb38b49020ce2b45fe1f8b8323fe429f99
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.4"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  fixnum_nanodart:
+    dependency: transitive
+    description:
+      name: fixnum_nanodart
+      sha256: "4b0132d11ecddc0d2ca64b6d7dee6726db432ed02cac1349d7532a08be5c54fc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_mobx:
+    dependency: transitive
+    description:
+      name: flutter_mobx
+      sha256: "0da4add0016387a7bf309a0d0c41d36c6b3ae25ed7a176409267f166509e723e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.6+5"
+  flutter_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      sha256: "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      sha256: aedc5a15e78fc65a6e23bcd927f24c64dd995062bcd1ca6eda65a3cff92a4d19
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  hex:
+    dependency: "direct main"
+    description:
+      name: hex
+      sha256: "4e7cd54e4b59ba026432a6be2dd9d96e4c5205725194997193bf871703b82c4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
+  hive:
+    dependency: transitive
+    description:
+      name: hive
+      sha256: "8dcf6db979d7933da8217edcec84e9df1bdb4e4edc7fc77dbd5aa74356d6d941"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.3"
+  hive_generator:
+    dependency: "direct dev"
+    description:
+      name: hive_generator
+      sha256: "81fd20125cb2ce8fd23623d7744ffbaf653aae93706c9bd3bf7019ea0ace3938"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.3"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "759d1a329847dd0f39226c688d3e06a6b8679668e350e2891a6474f8b4bb8525"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      sha256: "3bc132a9dbce73a7e4a21a17d06e1878839ffbf975568bc875c60537824b0c4d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.18.1"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.7"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
+  libcrypto:
+    dependency: "direct main"
+    description:
+      name: libcrypto
+      sha256: "18a97db8d88147b0b60d2755f29b5e4944181c4c1a9f52bd1ecbea1b0a5aab03"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.15"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: e4ff8e8564c03f255408decd16e7899da1733852a9110a58fe6d1b817684a63e
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  mobx:
+    dependency: "direct main"
+    description:
+      name: mobx
+      sha256: "0afcf88b3ee9d6819890bf16c11a727fc8c62cf736fda8e5d3b9b4eace4e62ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  mobx_codegen:
+    dependency: "direct dev"
+    description:
+      name: mobx_codegen
+      sha256: d4beb9cea4b7b014321235f8fdc7c2193ee0fe1d1198e9da7403f8bc85c4407c
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  nanodart:
+    dependency: "direct main"
+    description:
+      name: nanodart
+      sha256: "4b2f42d60307b54e8cf384d6193a567d07f8efd773858c0d5948246153c13282"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.8.3"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      sha256: "3087813781ab814e4157b172f1a11c46be20179fcc9bea043e0fba36bc0acaa2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.15"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "2cec049d282c7f13c594b4a73976b0b4f2d7a1838a6dd5aaf7bd9719196bee86"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.27"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "916731ccbdce44d545414dd9961f26ba5fbaa74bcbb55237d8e65a623a8c7297"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.4"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: ffbb8cc9ed2c9ec0e4b7a541e56fd79b138e8f47d2fb86815f15358a349b3b57
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.11"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "57585299a729335f1298b43245842678cb9f43a6310351b18fb577d6e33165ec"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.6"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: "1cb68ba4cd3a795033de62ba1b7b4564dace301f952de6bfb3cd91b202b6ee96"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.7"
+  pinenacl:
+    dependency: transitive
+    description:
+      name: pinenacl
+      sha256: e5fb0bce1717b7f136f35ee98b5c02b3e6383211f8a77ca882fa7812232a07b9
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.4"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "4a451831508d7d6ca779f7ac6e212b4023dd5a7d08a27a63da33756410e32b76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "43798d895c929056255600343db8f049921cbec94d31ec87f1dc5c16c01935dd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.5"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: "7c1e5f0d23c9016c5bbd8b1473d0d3fb3fc851b876046039509e18e0c7485f2c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.7.3"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.1"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      sha256: c63b2876e58e194e4b0828fcb080ad0e06d051cb607a6be51a9e084f47cb9367
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.3"
+  rational:
+    dependency: transitive
+    description:
+      name: rational
+      sha256: ba58e9e18df9abde280e8b10051e4bce85091e41e8e7e411b6cde2e738d357cf
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.99"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      sha256: "2d79738b6bbf38a43920e2b8d189e9a3ce6cc201f4b8fc76be5e4fe377b1c38d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.6"
+  source_helper:
+    dependency: transitive
+    description:
+      name: source_helper
+      sha256: "3b67aade1d52416149c633ba1bb36df44d97c6b51830c2198e934e3fca87ca1f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.3"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.11.0"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      sha256: "70a3b636575d4163c477e6de42f247a23b315ae20e86442bebe32d3cabf61c32"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      sha256: "6a7f46926b01ce81bfc339da6a7f20afbe7733eff9846f6d6a5466aa4c6667c0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      sha256: d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: "5a751eddf9db89b3e5f9d50c20ab8612296e4e8db69009788d6c8b060a84191c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.4"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: e0b1147eec179d3911f1f19b59206448f78195ca1d20514134e10641b7d7fbff
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
+sdks:
+  dart: ">=3.0.0 <4.0.0"
+  flutter: ">=3.3.0"

cw_nano/pubspec.yaml

@@ -0,0 +1,69 @@
+name: cw_nano
+description: A new Flutter package project.
+version: 0.0.1
+publish_to: none
+author: Cake Wallet
+homepage: https://cakewallet.com
+
+environment:
+  sdk: '>=2.18.2 <3.0.0'
+  flutter: ">=1.17.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  mobx: ^2.0.7+4
+  bip39: ^1.0.6
+  bip32: ^2.0.0
+  nanodart: ^2.0.0
+  decimal: ^2.3.3
+  libcrypto: ^0.2.2
+  ed25519_hd_key: ^2.2.0
+  hex: ^0.2.0
+  http: ^1.1.0
+  cw_core:
+    path: ../cw_core
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  build_runner: ^2.1.11
+  mobx_codegen: ^2.0.7
+  hive_generator: ^1.1.3
+
+# For information on the generic Dart part of this file, see the
+# following page: https://dart.dev/tools/pub/pubspec
+
+# The following section is specific to Flutter packages.
+flutter:
+
+  # To add assets to your package, add an assets section, like this:
+  # assets:
+  #   - images/a_dot_burr.jpeg
+  #   - images/a_dot_ham.jpeg
+  #
+  # For details regarding assets in packages, see
+  # https://flutter.dev/assets-and-images/#from-packages
+  #
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.dev/assets-and-images/#resolution-aware
+
+  # To add custom fonts to your package, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts in packages, see
+  # https://flutter.dev/custom-fonts/#from-packages

cw_nano/test/cw_nano_test.dart

@@ -0,0 +1,12 @@
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:cw_nano/cw_nano.dart';
+
+void main() {
+  test('adds one to input values', () {
+    final calculator = Calculator();
+    expect(calculator.addOne(2), 3);
+    expect(calculator.addOne(-7), -6);
+    expect(calculator.addOne(0), 1);
+  });
+}

lib/bitcoin/cw_bitcoin.dart

@@ -161,4 +161,4 @@ class CWBitcoin extends Bitcoin {
   @override
   TransactionPriority getLitecoinTransactionPrioritySlow()
     => LitecoinTransactionPriority.slow;
-}
+}

lib/buy/onramper/onramper_buy_provider.dart

@@ -27,6 +27,8 @@ class OnRamperBuyProvider {
         return "LTC_LITECOIN";
       case CryptoCurrency.xmr:
         return "XMR_MONERO";
+      case CryptoCurrency.nano:
+        return "XNO_NANO";
       default:
         return _wallet.currency.title;
     }

lib/core/address_validator.dart

@@ -28,6 +28,8 @@ class AddressValidator extends TextValidator {
         return '^3[0-9a-zA-Z]{32}\$|^3[0-9a-zA-Z]{33}\$|^bc1[0-9a-zA-Z]{59}\$';
       case CryptoCurrency.nano:
         return '[0-9a-zA-Z_]';
+      case CryptoCurrency.banano:
+        return '[0-9a-zA-Z_]';
       case CryptoCurrency.usdc:
       case CryptoCurrency.usdcpoly:
       case CryptoCurrency.ape:
@@ -177,6 +179,8 @@ class AddressValidator extends TextValidator {
         return [34, 43, 63];
       case CryptoCurrency.nano:
         return [64, 65];
+      case CryptoCurrency.banano:
+        return [64, 65];
       case CryptoCurrency.sc:
         return [76];
       case CryptoCurrency.sol:
@@ -267,4 +271,4 @@ class AddressValidator extends TextValidator {
         return null;
     }
   }
-}
+}

lib/core/seed_validator.dart

@@ -5,6 +5,7 @@ import 'package:cake_wallet/core/validator.dart';
 import 'package:cake_wallet/entities/mnemonic_item.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:cake_wallet/monero/monero.dart';
+import 'package:cake_wallet/nano/nano.dart';
 import 'package:cake_wallet/utils/language_list.dart';
 
 class SeedValidator extends Validator<MnemonicItem> {
@@ -28,6 +29,9 @@ class SeedValidator extends Validator<MnemonicItem> {
         return haven!.getMoneroWordList(language);
       case WalletType.ethereum:
         return ethereum!.getEthereumWordList(language);
+      case WalletType.nano:
+      case WalletType.banano:
+        return nano!.getNanoWordList(language);
       default:
         return [];
     }

lib/core/wallet_connect/chain_service.dart

@@ -0,0 +1,5 @@
+abstract class ChainService {
+  String getNamespace();
+  String getChainId();
+  List<String> getEvents();
+}

lib/core/wallet_connect/eth_transaction_model.dart

@@ -0,0 +1,60 @@
+class WCEthereumTransactionModel {
+  final String from;
+  final String to;
+  final String value;
+  final String? nonce;
+  final String? gasPrice;
+  final String? maxFeePerGas;
+  final String? maxPriorityFeePerGas;
+  final String? gas;
+  final String? gasLimit;
+  final String? data;
+
+  WCEthereumTransactionModel({
+    required this.from,
+    required this.to,
+    required this.value,
+    this.nonce,
+    this.gasPrice,
+    this.maxFeePerGas,
+    this.maxPriorityFeePerGas,
+    this.gas,
+    this.gasLimit,
+    this.data,
+  });
+
+  factory WCEthereumTransactionModel.fromJson(Map<String, dynamic> json) {
+    return WCEthereumTransactionModel(
+      from: json['from'] as String,
+      to: json['to'] as String,
+      value: json['value'] as String,
+      nonce: json['nonce'] as String?,
+      gasPrice: json['gasPrice'] as String?,
+      maxFeePerGas: json['maxFeePerGas'] as String?,
+      maxPriorityFeePerGas: json['maxPriorityFeePerGas'] as String?,
+      gas: json['gas'] as String?,
+      gasLimit: json['gasLimit'] as String?,
+      data: json['data'] as String?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'from': from,
+      'to': to,
+      'value': value,
+      'nonce': nonce,
+      'gasPrice': gasPrice,
+      'maxFeePerGas': maxFeePerGas,
+      'maxPriorityFeePerGas': maxPriorityFeePerGas,
+      'gas': gas,
+      'gasLimit': gasLimit,
+      'data': data,
+    };
+  }
+
+  @override
+  String toString() {
+    return 'EthereumTransactionModel(from: $from, to: $to, nonce: $nonce, gasPrice: $gasPrice, maxFeePerGas: $maxFeePerGas, maxPriorityFeePerGas: $maxPriorityFeePerGas, gas: $gas, gasLimit: $gasLimit, value: $value, data: $data)';
+  }
+}

lib/core/wallet_connect/evm_chain_id.dart

@@ -0,0 +1,35 @@
+import 'package:cake_wallet/core/wallet_connect/evm_chain_service.dart';
+
+enum EVMChainId {
+  ethereum,
+  polygon,
+  goerli,
+  mumbai,
+  arbitrum,
+}
+
+extension EVMChainIdX on EVMChainId {
+  String chain() {
+    String name = '';
+
+    switch (this) {
+      case EVMChainId.ethereum:
+        name = '1';
+        break;
+      case EVMChainId.polygon:
+        name = '137';
+        break;
+      case EVMChainId.goerli:
+        name = '5';
+        break;
+      case EVMChainId.arbitrum:
+        name = '42161';
+        break;
+      case EVMChainId.mumbai:
+        name = '80001';
+        break;
+    }
+
+    return '${EvmChainServiceImpl.namespace}:$name';
+  }
+}

lib/core/wallet_connect/evm_chain_service.dart

@@ -0,0 +1,294 @@
+import 'dart:convert';
+import 'dart:developer';
+import 'dart:typed_data';
+
+import 'package:cake_wallet/core/wallet_connect/eth_transaction_model.dart';
+import 'package:cake_wallet/core/wallet_connect/evm_chain_id.dart';
+import 'package:cake_wallet/core/wallet_connect/wc_bottom_sheet_service.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/error_display_widget.dart';
+import 'package:cake_wallet/store/app_store.dart';
+import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
+import 'package:cake_wallet/core/wallet_connect/models/connection_model.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/connection_widget.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/modals/web3_request_modal.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/utils/string_parsing.dart';
+import 'package:convert/convert.dart';
+import 'package:cw_core/wallet_type.dart';
+import 'package:eth_sig_util/eth_sig_util.dart';
+import 'package:eth_sig_util/util/utils.dart';
+import 'package:http/http.dart' as http;
+import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
+import 'package:web3dart/web3dart.dart';
+import 'chain_service.dart';
+import 'wallet_connect_key_service.dart';
+
+class EvmChainServiceImpl implements ChainService {
+  final AppStore appStore;
+  final BottomSheetService bottomSheetService;
+  final Web3Wallet wallet;
+  final WalletConnectKeyService wcKeyService;
+
+  static const namespace = 'eip155';
+  static const pSign = 'personal_sign';
+  static const eSign = 'eth_sign';
+  static const eSignTransaction = 'eth_signTransaction';
+  static const eSignTypedData = 'eth_signTypedData_v4';
+  static const eSendTransaction = 'eth_sendTransaction';
+
+  final EVMChainId reference;
+
+  final Web3Client ethClient;
+
+  EvmChainServiceImpl({
+    required this.reference,
+    required this.appStore,
+    required this.wcKeyService,
+    required this.bottomSheetService,
+    required this.wallet,
+    Web3Client? ethClient,
+  }) : ethClient = ethClient ??
+            Web3Client(
+              appStore.settingsStore.getCurrentNode(WalletType.ethereum).uri.toString(),
+              http.Client(),
+            ) {
+ 
+    for (final String event in getEvents()) {
+      wallet.registerEventEmitter(chainId: getChainId(), event: event);
+    }
+    wallet.registerRequestHandler(
+      chainId: getChainId(),
+      method: pSign,
+      handler: personalSign,
+    );
+    wallet.registerRequestHandler(
+      chainId: getChainId(),
+      method: eSign,
+      handler: ethSign,
+    );
+    wallet.registerRequestHandler(
+      chainId: getChainId(),
+      method: eSignTransaction,
+      handler: ethSignTransaction,
+    );
+    wallet.registerRequestHandler(
+      chainId: getChainId(),
+      method: eSendTransaction,
+      handler: ethSignTransaction,
+    );
+    wallet.registerRequestHandler(
+      chainId: getChainId(),
+      method: eSignTypedData,
+      handler: ethSignTypedData,
+    );
+  }
+
+  @override
+  String getNamespace() {
+    return namespace;
+  }
+
+  @override
+  String getChainId() {
+    return reference.chain();
+  }
+
+  @override
+  List<String> getEvents() {
+    return ['chainChanged', 'accountsChanged'];
+  }
+
+  Future<String?> requestAuthorization(String? text) async {
+    // Show the bottom sheet
+    final bool? isApproved = await bottomSheetService.queueBottomSheet(
+      widget: Web3RequestModal(
+        child: ConnectionWidget(
+          title: S.current.signTransaction,
+          info: [
+            ConnectionModel(
+              text: text,
+            ),
+          ],
+        ),
+      ),
+    ) as bool?;
+
+    if (isApproved != null && isApproved == false) {
+      return 'User rejected signature';
+    }
+
+    return null;
+  }
+
+  Future<String> personalSign(String topic, dynamic parameters) async {
+    log('received personal sign request: $parameters');
+
+    final String message;
+    if (parameters[0] == null) {
+      message = '';
+    } else {
+      message = parameters[0].toString().utf8Message;
+    }
+
+    final String? authError = await requestAuthorization(message);
+
+    if (authError != null) {
+      return authError;
+    }
+
+    try {
+      // Load the private key
+      final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+
+      final Credentials credentials = EthPrivateKey.fromHex(keys[0].privateKey);
+
+      final String signature = hex.encode(
+        credentials.signPersonalMessageToUint8List(Uint8List.fromList(utf8.encode(message))),
+      );
+
+      return '0x$signature';
+    } catch (e) {
+      log(e.toString());
+      bottomSheetService.queueBottomSheet(
+        isModalDismissible: true,
+        widget: BottomSheetMessageDisplayWidget(
+          message: '${S.current.errorGettingCredentials} ${e.toString()}',
+        ),
+      );
+      return 'Failed: Error while getting credentials';
+    }
+  }
+
+  Future<String> ethSign(String topic, dynamic parameters) async {
+    log('received eth sign request: $parameters');
+
+    final String message;
+    if (parameters[1] == null) {
+      message = '';
+    } else {
+      message = parameters[1].toString().utf8Message;
+    }
+
+    final String? authError = await requestAuthorization(message);
+    if (authError != null) {
+      return authError;
+    }
+
+    try {
+      // Load the private key
+      final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+
+      final EthPrivateKey credentials = EthPrivateKey.fromHex(keys[0].privateKey);
+
+      final String signature = hex.encode(
+        credentials.signPersonalMessageToUint8List(
+          Uint8List.fromList(utf8.encode(message)),
+        ),
+      );
+      log(signature);
+
+      return '0x$signature';
+    } catch (e) {
+      log('error: ${e.toString()}');
+      bottomSheetService.queueBottomSheet(
+        isModalDismissible: true,
+        widget: BottomSheetMessageDisplayWidget(message: '${S.current.error}: ${e.toString()}'),
+      );
+      return 'Failed';
+    }
+  }
+
+  Future<String> ethSignTransaction(String topic, dynamic parameters) async {
+    log('received eth sign transaction request: $parameters');
+
+    final paramsData = parameters[0] as Map<String, dynamic>;
+
+    final message = _convertToReadable(paramsData);
+
+    final String? authError = await requestAuthorization(message);
+
+    if (authError != null) {
+      return authError;
+    }
+
+    // Load the private key
+    final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+
+    final Credentials credentials = EthPrivateKey.fromHex(keys[0].privateKey);
+
+    WCEthereumTransactionModel ethTransaction =
+        WCEthereumTransactionModel.fromJson(parameters[0] as Map<String, dynamic>);
+
+    final transaction = Transaction(
+      from: EthereumAddress.fromHex(ethTransaction.from),
+      to: EthereumAddress.fromHex(ethTransaction.to),
+      maxGas: ethTransaction.gasLimit != null ? int.tryParse(ethTransaction.gasLimit ?? "") : null,
+      gasPrice: ethTransaction.gasPrice != null
+          ? EtherAmount.inWei(BigInt.parse(ethTransaction.gasPrice ?? ""))
+          : null,
+      value: EtherAmount.inWei(BigInt.parse(ethTransaction.value)),
+      data: hexToBytes(ethTransaction.data ?? ""),
+      nonce: ethTransaction.nonce != null ? int.tryParse(ethTransaction.nonce ?? "") : null,
+    );
+
+    try {
+      final result = await ethClient.sendTransaction(credentials, transaction);
+
+      log('Result: $result');
+
+      bottomSheetService.queueBottomSheet(
+        isModalDismissible: true,
+        widget: BottomSheetMessageDisplayWidget(
+          message: S.current.awaitDAppProcessing,
+          isError: false,
+        ),
+      );
+
+      return result;
+    } catch (e) {
+      log('An error has occured while signing transaction: ${e.toString()}');
+      bottomSheetService.queueBottomSheet(
+        isModalDismissible: true,
+        widget: BottomSheetMessageDisplayWidget(
+          message: '${S.current.errorSigningTransaction}: ${e.toString()}',
+        ),
+      );
+      return 'Failed';
+    }
+  }
+
+  Future<String> ethSignTypedData(String topic, dynamic parameters) async {
+    log('received eth sign typed data request: $parameters');
+    final String? data = parameters[1] as String?;
+
+    final String? authError = await requestAuthorization(data);
+
+    if (authError != null) {
+      return authError;
+    }
+
+    final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+
+    return EthSigUtil.signTypedData(
+      privateKey: keys[0].privateKey,
+      jsonData: data ?? '',
+      version: TypedDataVersion.V4,
+    );
+  }
+
+  String _convertToReadable(Map<String, dynamic> data) {
+    String gas = int.parse((data['gas'] as String).substring(2), radix: 16).toString();
+    String value = data['value'] != null
+        ? (int.parse((data['value'] as String).substring(2), radix: 16) / 1e18).toString() + ' ETH'
+        : '0 ETH';
+    String from = data['from'] as String;
+    String to = data['to'] as String;
+
+    return '''
+ Gas: $gas\n
+ Value: $value\n
+ From: $from\n
+ To: $to
+             ''';
+  }
+}

lib/core/wallet_connect/models/auth_request_model.dart

@@ -0,0 +1,16 @@
+import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
+
+class AuthRequestModel {
+  final String iss;
+  final AuthRequest request;
+
+  AuthRequestModel({
+    required this.iss,
+    required this.request,
+  });
+
+  @override
+  String toString() {
+    return 'AuthRequestModel(iss: $iss, request: $request)';
+  }
+}

lib/core/wallet_connect/models/bottom_sheet_queue_item_model.dart

@@ -0,0 +1,20 @@
+import 'dart:async';
+
+import 'package:flutter/cupertino.dart';
+
+class BottomSheetQueueItemModel {
+  final Widget widget;
+  final bool isModalDismissible;
+  final Completer<dynamic> completer;
+
+  BottomSheetQueueItemModel({
+    required this.widget,
+    required this.completer,
+    this.isModalDismissible = false,
+  });
+
+  @override
+  String toString() {
+    return 'BottomSheetQueueItemModel(widget: $widget, completer: $completer)';
+  }
+}

lib/core/wallet_connect/models/chain_key_model.dart

@@ -0,0 +1,16 @@
+class ChainKeyModel {
+  final List<String> chains;
+  final String privateKey;
+  final String publicKey;
+
+  ChainKeyModel({
+    required this.chains,
+    required this.privateKey,
+    required this.publicKey,
+  });
+
+  @override
+  String toString() {
+    return 'ChainKeyModel(chains: $chains, privateKey: $privateKey, publicKey: $publicKey)';
+  }
+}

lib/core/wallet_connect/models/connection_model.dart

@@ -0,0 +1,18 @@
+class ConnectionModel {
+  final String? title;
+  final String? text;
+  final List<String>? elements;
+  final Map<String, void Function()>? elementActions;
+
+  ConnectionModel({
+    this.title,
+    this.text,
+    this.elements,
+    this.elementActions,
+  });
+
+  @override
+  String toString() {
+    return 'WalletConnectRequestModel(title: $title, text: $text, elements: $elements, elementActions: $elementActions)';
+  }
+}

lib/core/wallet_connect/models/session_request_model.dart

@@ -0,0 +1,14 @@
+import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
+
+class SessionRequestModel {
+  final ProposalData request;
+
+  SessionRequestModel({
+    required this.request,
+  });
+
+  @override
+  String toString() {
+    return 'SessionRequestModel(request: $request)';
+  }
+}

lib/core/wallet_connect/wallet_connect_key_service.dart

@@ -0,0 +1,72 @@
+import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
+import 'package:cw_core/balance.dart';
+import 'package:cw_core/transaction_history.dart';
+import 'package:cw_core/transaction_info.dart';
+import 'package:cw_core/wallet_base.dart';
+
+abstract class WalletConnectKeyService {
+  /// Returns a list of all the keys.
+  List<ChainKeyModel> getKeys();
+
+  /// Returns a list of all the chain ids.
+  List<String> getChains();
+
+  /// Returns a list of all the keys for a given chain id.
+  /// If the chain is not found, returns an empty list.
+  ///  - [chain]: The chain to get the keys for.
+  List<ChainKeyModel> getKeysForChain(String chain);
+
+  /// Returns a list of all the accounts in namespace:chainId:address format.
+  List<String> getAllAccounts();
+}
+
+class KeyServiceImpl implements WalletConnectKeyService {
+  KeyServiceImpl(this.wallet)
+      : _keys = [
+          ChainKeyModel(
+            chains: [
+              'eip155:1',
+              'eip155:5',
+              'eip155:137',
+              'eip155:42161',
+              'eip155:80001',
+            ],
+            privateKey: ethereum!.getPrivateKey(wallet),
+            publicKey: ethereum!.getPublicKey(wallet),
+          ),
+          
+        ];
+
+  late final WalletBase<Balance, TransactionHistoryBase<TransactionInfo>, TransactionInfo> wallet;
+
+  late final List<ChainKeyModel> _keys;
+
+  @override
+  List<String> getChains() {
+    final List<String> chainIds = [];
+    for (final ChainKeyModel key in _keys) {
+      chainIds.addAll(key.chains);
+    }
+    return chainIds;
+  }
+
+  @override
+  List<ChainKeyModel> getKeys() => _keys;
+
+  @override
+  List<ChainKeyModel> getKeysForChain(String chain) {
+    return _keys.where((e) => e.chains.contains(chain)).toList();
+  }
+
+  @override
+  List<String> getAllAccounts() {
+    final List<String> accounts = [];
+    for (final ChainKeyModel key in _keys) {
+      for (final String chain in key.chains) {
+        accounts.add('$chain:${key.publicKey}');
+      }
+    }
+    return accounts;
+  }
+}

lib/core/wallet_connect/wc_bottom_sheet_service.dart

@@ -0,0 +1,43 @@
+import 'dart:async';
+import 'package:cake_wallet/core/wallet_connect/models/bottom_sheet_queue_item_model.dart';
+import 'package:flutter/material.dart';
+
+abstract class BottomSheetService {
+  abstract final ValueNotifier<BottomSheetQueueItemModel?> currentSheet;
+
+  Future<dynamic> queueBottomSheet({
+    required Widget widget,
+    bool isModalDismissible = false,
+  });
+
+  void resetCurrentSheet();
+}
+
+class BottomSheetServiceImpl implements BottomSheetService {
+
+  @override
+  final ValueNotifier<BottomSheetQueueItemModel?> currentSheet = ValueNotifier(null);
+
+  @override
+  Future<dynamic> queueBottomSheet({
+    required Widget widget,
+    bool isModalDismissible = false,
+  }) async {
+    // Create the bottom sheet queue item
+    final completer = Completer<dynamic>();
+    final queueItem = BottomSheetQueueItemModel(
+      widget: widget,
+      completer: completer,
+      isModalDismissible: isModalDismissible,
+    );
+
+    currentSheet.value = queueItem;
+
+    return await completer.future;
+  }
+
+  @override
+  void resetCurrentSheet() {
+    currentSheet.value = null;
+  }
+}

lib/core/wallet_connect/web3wallet_service.dart

@@ -0,0 +1,277 @@
+import 'dart:async';
+import 'dart:developer';
+import 'dart:typed_data';
+
+import 'package:cake_wallet/core/wallet_connect/evm_chain_id.dart';
+import 'package:cake_wallet/core/wallet_connect/evm_chain_service.dart';
+import 'package:cake_wallet/core/wallet_connect/wallet_connect_key_service.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/core/wallet_connect/models/auth_request_model.dart';
+import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
+import 'package:cake_wallet/core/wallet_connect/models/session_request_model.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/connection_request_widget.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/error_display_widget.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/modals/web3_request_modal.dart';
+import 'package:cake_wallet/store/app_store.dart';
+import 'package:eth_sig_util/eth_sig_util.dart';
+import 'package:flutter/material.dart';
+import 'package:mobx/mobx.dart';
+import 'package:walletconnect_flutter_v2/walletconnect_flutter_v2.dart';
+
+import 'wc_bottom_sheet_service.dart';
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
+
+part 'web3wallet_service.g.dart';
+
+class Web3WalletService = Web3WalletServiceBase with _$Web3WalletService;
+
+abstract class Web3WalletServiceBase with Store {
+  final AppStore appStore;
+  final BottomSheetService _bottomSheetHandler;
+  final WalletConnectKeyService walletKeyService;
+
+  late Web3Wallet _web3Wallet;
+
+  @observable
+  bool isInitialized;
+
+  /// The list of requests from the dapp
+  /// Potential types include, but aren't limited to:
+  /// [SessionProposalEvent], [AuthRequest]
+  @observable
+  ObservableList<PairingInfo> pairings;
+
+  @observable
+  ObservableList<SessionData> sessions;
+
+  @observable
+  ObservableList<StoredCacao> auth;
+
+  Web3WalletServiceBase(this._bottomSheetHandler, this.walletKeyService, this.appStore)
+      : pairings = ObservableList<PairingInfo>(),
+        sessions = ObservableList<SessionData>(),
+        auth = ObservableList<StoredCacao>(),
+        isInitialized = false;
+
+  @action
+  void create() {
+    // Create the web3wallet client
+    _web3Wallet = Web3Wallet(
+      core: Core(projectId: secrets.walletConnectProjectId),
+      metadata: const PairingMetadata(
+        name: 'Cake Wallet',
+        description: 'Cake Wallet',
+        url: 'https://cakewallet.com',
+        icons: ['https://cakewallet.com/assets/image/cake_logo.png'],
+      ),
+    );
+
+    // Setup our accounts
+    List<ChainKeyModel> chainKeys = walletKeyService.getKeys();
+    for (final chainKey in chainKeys) {
+      for (final chainId in chainKey.chains) {
+        _web3Wallet.registerAccount(
+          chainId: chainId,
+          accountAddress: chainKey.publicKey,
+        );
+      }
+    }
+
+    // Setup our listeners
+    log('Created instance of web3wallet');
+    _web3Wallet.core.pairing.onPairingInvalid.subscribe(_onPairingInvalid);
+    _web3Wallet.core.pairing.onPairingCreate.subscribe(_onPairingCreate);
+    _web3Wallet.core.pairing.onPairingDelete.subscribe(_onPairingDelete);
+    _web3Wallet.core.pairing.onPairingExpire.subscribe(_onPairingDelete);
+    _web3Wallet.pairings.onSync.subscribe(_onPairingsSync);
+    _web3Wallet.onSessionProposal.subscribe(_onSessionProposal);
+    _web3Wallet.onSessionProposalError.subscribe(_onSessionProposalError);
+    _web3Wallet.onSessionConnect.subscribe(_onSessionConnect);
+    _web3Wallet.onAuthRequest.subscribe(_onAuthRequest);
+  }
+
+  @action
+  Future<void> init() async {
+    // Await the initialization of the web3wallet
+    log('Intializing web3wallet');
+    if (!isInitialized) {
+      try {
+        await _web3Wallet.init();
+        log('Initialized');
+        isInitialized = true;
+      } catch (e) {
+        log('Experimentallllll: $e');
+        isInitialized = false;
+      }
+    }
+
+    _refreshPairings();
+
+    final newSessions = _web3Wallet.sessions.getAll();
+    sessions.addAll(newSessions);
+
+    final newAuthRequests = _web3Wallet.completeRequests.getAll();
+    auth.addAll(newAuthRequests);
+
+    for (final cId in EVMChainId.values) {
+      EvmChainServiceImpl(
+        reference: cId,
+        appStore: appStore,
+        wcKeyService: walletKeyService,
+        bottomSheetService: _bottomSheetHandler,
+        wallet: _web3Wallet,
+      );
+    }
+  }
+
+  @action
+  FutureOr<void> onDispose() {
+    log('web3wallet dispose');
+    _web3Wallet.core.pairing.onPairingInvalid.unsubscribe(_onPairingInvalid);
+    _web3Wallet.pairings.onSync.unsubscribe(_onPairingsSync);
+    _web3Wallet.onSessionProposal.unsubscribe(_onSessionProposal);
+    _web3Wallet.onSessionProposalError.unsubscribe(_onSessionProposalError);
+    _web3Wallet.onSessionConnect.unsubscribe(_onSessionConnect);
+    _web3Wallet.onAuthRequest.unsubscribe(_onAuthRequest);
+    _web3Wallet.core.pairing.onPairingDelete.unsubscribe(_onPairingDelete);
+    _web3Wallet.core.pairing.onPairingExpire.unsubscribe(_onPairingDelete);
+  }
+
+  Web3Wallet getWeb3Wallet() {
+    return _web3Wallet;
+  }
+
+  void _onPairingsSync(StoreSyncEvent? args) {
+    if (args != null) {
+      _refreshPairings();
+    }
+  }
+
+  void _onPairingDelete(PairingEvent? event) {
+    _refreshPairings();
+  }
+
+  @action
+  void _refreshPairings() {
+    pairings.clear();
+    final allPairings = _web3Wallet.pairings.getAll();
+    pairings.addAll(allPairings);
+  }
+
+  Future<void> _onSessionProposalError(SessionProposalErrorEvent? args) async {
+    log(args.toString());
+  }
+
+  void _onSessionProposal(SessionProposalEvent? args) async {
+    if (args != null) {
+      final Widget modalWidget = Web3RequestModal(
+        child: ConnectionRequestWidget(
+          wallet: _web3Wallet,
+          sessionProposal: SessionRequestModel(request: args.params),
+        ),
+      );
+      // show the bottom sheet
+      final bool? isApproved = await _bottomSheetHandler.queueBottomSheet(
+        widget: modalWidget,
+      ) as bool?;
+
+      if (isApproved != null && isApproved) {
+        _web3Wallet.approveSession(
+          id: args.id,
+          namespaces: args.params.generatedNamespaces!,
+        );
+      } else {
+        _web3Wallet.rejectSession(
+          id: args.id,
+          reason: Errors.getSdkError(
+            Errors.USER_REJECTED,
+          ),
+        );
+      }
+    }
+  }
+
+  @action
+  void _onPairingInvalid(PairingInvalidEvent? args) {
+    log('Pairing Invalid Event: $args');
+    _bottomSheetHandler.queueBottomSheet(
+      isModalDismissible: true,
+      widget: BottomSheetMessageDisplayWidget(message: '${S.current.pairingInvalidEvent}: $args'),
+    );
+  }
+
+  void _onPairingCreate(PairingEvent? args) {
+    log('Pairing Create Event: $args');
+  }
+
+  @action
+  void _onSessionConnect(SessionConnect? args) {
+    if (args != null) {
+      sessions.add(args.session);
+    }
+  }
+
+  @action
+  Future<void> _onAuthRequest(AuthRequest? args) async {
+    if (args != null) {
+      List<ChainKeyModel> chainKeys = walletKeyService.getKeysForChain('eip155:1');
+      // Create the message to be signed
+      final String iss = 'did:pkh:eip155:1:${chainKeys.first.publicKey}';
+
+      final Widget modalWidget = Web3RequestModal(
+        child: ConnectionRequestWidget(
+          wallet: _web3Wallet,
+          authRequest: AuthRequestModel(iss: iss, request: args),
+        ),
+      );
+      final bool? isAuthenticated = await _bottomSheetHandler.queueBottomSheet(
+        widget: modalWidget,
+      ) as bool?;
+
+      if (isAuthenticated != null && isAuthenticated) {
+        final String message = _web3Wallet.formatAuthMessage(
+          iss: iss,
+          cacaoPayload: CacaoRequestPayload.fromPayloadParams(
+            args.payloadParams,
+          ),
+        );
+
+        final String sig = EthSigUtil.signPersonalMessage(
+          message: Uint8List.fromList(message.codeUnits),
+          privateKey: chainKeys.first.privateKey,
+        );
+
+        await _web3Wallet.respondAuthRequest(
+          id: args.id,
+          iss: iss,
+          signature: CacaoSignature(
+            t: CacaoSignature.EIP191,
+            s: sig,
+          ),
+        );
+      } else {
+        await _web3Wallet.respondAuthRequest(
+          id: args.id,
+          iss: iss,
+          error: Errors.getSdkError(
+            Errors.USER_REJECTED_AUTH,
+          ),
+        );
+      }
+    }
+  }
+
+  @action
+  Future<void> disconnectSession(String topic) async {
+    final session = sessions.firstWhere((element) => element.pairingTopic == topic);
+
+    await _web3Wallet.core.pairing.disconnect(topic: topic);
+    await _web3Wallet.disconnectSession(
+        topic: session.topic, reason: Errors.getSdkError(Errors.USER_DISCONNECTED));
+  }
+
+  @action
+  List<SessionData> getSessionsForPairingInfo(PairingInfo pairing) {
+    return sessions.where((element) => element.pairingTopic == pairing.topic).toList();
+  }
+}

lib/core/wallet_creation_service.dart

@@ -39,15 +39,11 @@ class WalletCreationService {
 
   bool exists(String name) {
     final walletName = name.toLowerCase();
-    return walletInfoSource
-      .values
-      .any((walletInfo) => walletInfo.name.toLowerCase() == walletName);
+    return walletInfoSource.values.any((walletInfo) => walletInfo.name.toLowerCase() == walletName);
   }
 
   bool typeExists(WalletType type) {
-    return walletInfoSource
-        .values
-        .any((walletInfo) => walletInfo.type == type);
+    return walletInfoSource.values.any((walletInfo) => walletInfo.type == type);
   }
 
   void checkIfExists(String name) {
@@ -60,15 +56,12 @@ class WalletCreationService {
     checkIfExists(credentials.name);
     final password = generateWalletPassword();
     credentials.password = password;
-    await keyService.saveWalletPassword(
-        password: password, walletName: credentials.name);
-    final wallet =  await _service!.create(credentials);
+    await keyService.saveWalletPassword(password: password, walletName: credentials.name);
+    final wallet = await _service!.create(credentials);
 
     if (wallet.type == WalletType.monero) {
-      await sharedPreferences
-        .setBool(
-          PreferencesKey.moneroWalletUpdateV1Key(wallet.name),
-          _isNewMoneroWalletPasswordUpdated);
+      await sharedPreferences.setBool(
+          PreferencesKey.moneroWalletUpdateV1Key(wallet.name), _isNewMoneroWalletPasswordUpdated);
     }
 
     return wallet;
@@ -78,15 +71,12 @@ class WalletCreationService {
     checkIfExists(credentials.name);
     final password = generateWalletPassword();
     credentials.password = password;
-    await keyService.saveWalletPassword(
-        password: password, walletName: credentials.name);
+    await keyService.saveWalletPassword(password: password, walletName: credentials.name);
     final wallet = await _service!.restoreFromKeys(credentials);
 
     if (wallet.type == WalletType.monero) {
-      await sharedPreferences
-        .setBool(
-          PreferencesKey.moneroWalletUpdateV1Key(wallet.name),
-          _isNewMoneroWalletPasswordUpdated);
+      await sharedPreferences.setBool(
+          PreferencesKey.moneroWalletUpdateV1Key(wallet.name), _isNewMoneroWalletPasswordUpdated);
     }
 
     return wallet;
@@ -96,15 +86,12 @@ class WalletCreationService {
     checkIfExists(credentials.name);
     final password = generateWalletPassword();
     credentials.password = password;
-    await keyService.saveWalletPassword(
-        password: password, walletName: credentials.name);
+    await keyService.saveWalletPassword(password: password, walletName: credentials.name);
     final wallet = await _service!.restoreFromSeed(credentials);
 
     if (wallet.type == WalletType.monero) {
-      await sharedPreferences
-        .setBool(
-          PreferencesKey.moneroWalletUpdateV1Key(wallet.name),
-          _isNewMoneroWalletPasswordUpdated);
+      await sharedPreferences.setBool(
+          PreferencesKey.moneroWalletUpdateV1Key(wallet.name), _isNewMoneroWalletPasswordUpdated);
     }
 
     return wallet;

lib/di.dart

@@ -3,14 +3,17 @@ import 'package:cake_wallet/anonpay/anonpay_info_base.dart';
 import 'package:cake_wallet/anonpay/anonpay_invoice_info.dart';
 import 'package:cake_wallet/buy/onramper/onramper_buy_provider.dart';
 import 'package:cake_wallet/buy/payfura/payfura_buy_provider.dart';
+import 'package:cake_wallet/core/wallet_connect/wallet_connect_key_service.dart';
+import 'package:cake_wallet/core/wallet_connect/wc_bottom_sheet_service.dart';
 import 'package:cake_wallet/buy/robinhood/robinhood_buy_provider.dart';
+import 'package:cake_wallet/core/wallet_connect/web3wallet_service.dart';
 import 'package:cake_wallet/core/yat_service.dart';
 import 'package:cake_wallet/entities/background_tasks.dart';
-import 'package:cake_wallet/entities/auto_generate_subaddress_status.dart';
 import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/entities/parse_address_from_domain.dart';
 import 'package:cake_wallet/entities/receive_page_option.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/nano/nano.dart';
 import 'package:cake_wallet/ionia/ionia_anypay.dart';
 import 'package:cake_wallet/ionia/ionia_gift_card.dart';
 import 'package:cake_wallet/ionia/ionia_tip.dart';
@@ -25,8 +28,13 @@ import 'package:cake_wallet/src/screens/dashboard/edit_token_page.dart';
 import 'package:cake_wallet/src/screens/dashboard/home_settings_page.dart';
 import 'package:cake_wallet/src/screens/dashboard/widgets/transactions_page.dart';
 import 'package:cake_wallet/src/screens/qr/scan_screen.dart';
+import 'package:cake_wallet/src/screens/nano/nano_change_rep_page.dart';
+import 'package:cake_wallet/src/screens/nano_accounts/nano_account_edit_or_create_page.dart';
+import 'package:cake_wallet/src/screens/nano_accounts/nano_account_list_page.dart';
+import 'package:cake_wallet/src/screens/nodes/pow_node_create_or_edit_page.dart';
 import 'package:cake_wallet/src/screens/receive/anonpay_invoice_page.dart';
 import 'package:cake_wallet/src/screens/receive/anonpay_receive_page.dart';
+import 'package:cake_wallet/src/screens/restore/wallet_restore_choose_derivation.dart';
 import 'package:cake_wallet/src/screens/settings/display_settings_page.dart';
 import 'package:cake_wallet/src/screens/settings/manage_nodes_page.dart';
 import 'package:cake_wallet/src/screens/settings/other_settings_page.dart';
@@ -72,6 +80,9 @@ import 'package:cake_wallet/src/screens/dashboard/widgets/balance_page.dart';
 import 'package:cake_wallet/view_model/ionia/ionia_account_view_model.dart';
 import 'package:cake_wallet/view_model/ionia/ionia_gift_cards_list_view_model.dart';
 import 'package:cake_wallet/view_model/ionia/ionia_purchase_merch_view_model.dart';
+import 'package:cake_wallet/view_model/nano_account_list/nano_account_edit_or_create_view_model.dart';
+import 'package:cake_wallet/view_model/nano_account_list/nano_account_list_view_model.dart';
+import 'package:cake_wallet/view_model/node_list/pow_node_list_view_model.dart';
 import 'package:cake_wallet/view_model/set_up_2fa_viewmodel.dart';
 import 'package:cake_wallet/view_model/restore/restore_from_qr_vm.dart';
 import 'package:cake_wallet/view_model/settings/display_settings_view_model.dart';
@@ -82,7 +93,9 @@ import 'package:cake_wallet/view_model/advanced_privacy_settings_view_model.dart
 import 'package:cake_wallet/view_model/wallet_address_list/wallet_address_list_item.dart';
 import 'package:cake_wallet/view_model/wallet_list/wallet_edit_view_model.dart';
 import 'package:cake_wallet/view_model/wallet_list/wallet_list_item.dart';
+import 'package:cake_wallet/view_model/wallet_restore_choose_derivation_view_model.dart';
 import 'package:cw_core/erc20_token.dart';
+import 'package:cw_core/nano_account.dart';
 import 'package:cw_core/unspent_coins_info.dart';
 import 'package:cake_wallet/core/backup_service.dart';
 import 'package:cw_core/wallet_service.dart';
@@ -213,6 +226,7 @@ final getIt = GetIt.instance;
 var _isSetupFinished = false;
 late Box<WalletInfo> _walletInfoSource;
 late Box<Node> _nodeSource;
+late Box<Node> _powNodeSource;
 late Box<Contact> _contactSource;
 late Box<Trade> _tradesSource;
 late Box<Template> _templates;
@@ -225,6 +239,7 @@ late Box<AnonpayInvoiceInfo> _anonpayInvoiceInfoSource;
 Future<void> setup({
   required Box<WalletInfo> walletInfoSource,
   required Box<Node> nodeSource,
+  required Box<Node> powNodeSource,
   required Box<Contact> contactSource,
   required Box<Trade> tradesSource,
   required Box<Template> templates,
@@ -236,6 +251,7 @@ Future<void> setup({
 }) async {
   _walletInfoSource = walletInfoSource;
   _nodeSource = nodeSource;
+  _powNodeSource = powNodeSource;
   _contactSource = contactSource;
   _tradesSource = tradesSource;
   _templates = templates;
@@ -258,6 +274,7 @@ Future<void> setup({
 
   final settingsStore = await SettingsStoreBase.load(
     nodeSource: _nodeSource,
+    powNodeSource: _powNodeSource,
     isBitcoinBuyEnabled: isBitcoinBuyEnabled,
     // Enforce darkTheme on platforms other than mobile till the design for other themes is completed
     initialTheme: ResponsiveLayoutUtil.instance.isMobile && DeviceInfo.instance.isMobile
@@ -270,6 +287,7 @@ Future<void> setup({
   }
 
   getIt.registerFactory<Box<Node>>(() => _nodeSource);
+  getIt.registerFactory<Box<Node>>(() => _powNodeSource, instanceName: Node.boxName + "pow");
 
   getIt.registerSingleton<FlutterSecureStorage>(FlutterSecureStorage());
   getIt.registerSingleton(AuthenticationStore());
@@ -361,7 +379,7 @@ Future<void> setup({
       (onAuthFinished, closable) => AuthPage(getIt.get<AuthViewModel>(),
           onAuthenticationFinished: onAuthFinished, closable: closable));
 
-  getIt.registerFactory<Setup2FAViewModel>(
+  getIt.registerLazySingleton<Setup2FAViewModel>(
     () => Setup2FAViewModel(
       getIt.get<SettingsStore>(),
       getIt.get<SharedPreferences>(),
@@ -400,6 +418,10 @@ Future<void> setup({
                 }
                 if (appStore.wallet != null) {
                   authStore.allowed();
+
+                  if (appStore.wallet!.type == WalletType.ethereum) {
+                    getIt.get<Web3WalletService>().init();
+                  }
                   return;
                 }
 
@@ -420,6 +442,10 @@ Future<void> setup({
         } else {
           if (appStore.wallet != null) {
             authStore.allowed();
+
+            if (appStore.wallet!.type == WalletType.ethereum) {
+              getIt.get<Web3WalletService>().init();
+            }
             return;
           }
 
@@ -439,11 +465,28 @@ Future<void> setup({
     }, closable: false);
   }, instanceName: 'login');
 
+  getIt.registerSingleton<BottomSheetService>(BottomSheetServiceImpl());
+
+  final appStore = getIt.get<AppStore>();
+
+  getIt.registerLazySingleton<WalletConnectKeyService>(() => KeyServiceImpl(appStore.wallet!));
+
+  getIt.registerLazySingleton<Web3WalletService>(() {
+    final Web3WalletService web3WalletService = Web3WalletService(
+      getIt.get<BottomSheetService>(),
+      getIt.get<WalletConnectKeyService>(),
+      appStore,
+    );
+    web3WalletService.create();
+    return web3WalletService;
+  });
+
   getIt.registerFactory(() => BalancePage(
       dashboardViewModel: getIt.get<DashboardViewModel>(),
       settingsStore: getIt.get<SettingsStore>()));
 
   getIt.registerFactory<DashboardPage>(() => DashboardPage(
+        bottomSheetService: getIt.get<BottomSheetService>(),
         balancePage: getIt.get<BalancePage>(),
         dashboardViewModel: getIt.get<DashboardViewModel>(),
         addressListViewModel: getIt.get<WalletAddressListViewModel>(),
@@ -460,6 +503,7 @@ Future<void> setup({
   });
   getIt.registerFactoryParam<DesktopDashboardPage, GlobalKey<NavigatorState>, void>(
       (desktopKey, _) => DesktopDashboardPage(
+            bottomSheetService: getIt.get<BottomSheetService>(),
             balancePage: getIt.get<BalancePage>(),
             dashboardViewModel: getIt.get<DashboardViewModel>(),
             addressListViewModel: getIt.get<WalletAddressListViewModel>(),
@@ -585,20 +629,30 @@ Future<void> setup({
         editingWallet: editingWallet);
   });
 
-  getIt.registerFactory(() {
+  getIt.registerFactory<NanoAccountListViewModel>(() {
     final wallet = getIt.get<AppStore>().wallet!;
+    if (wallet.type == WalletType.nano || wallet.type == WalletType.banano) {
+      return NanoAccountListViewModel(wallet);
+    }
+    throw Exception(
+        'Unexpected wallet type: ${wallet.type} for generate Nano/Banano AccountListViewModel');
+  });
 
+  getIt.registerFactory<MoneroAccountListViewModel>(() {
+    final wallet = getIt.get<AppStore>().wallet!;
     if (wallet.type == WalletType.monero || wallet.type == WalletType.haven) {
       return MoneroAccountListViewModel(wallet);
     }
-
     throw Exception(
-        'Unexpected wallet type: ${wallet.type} for generate MoneroAccountListViewModel');
+        'Unexpected wallet type: ${wallet.type} for generate Monero AccountListViewModel');
   });
 
   getIt.registerFactory(
       () => MoneroAccountListPage(accountListViewModel: getIt.get<MoneroAccountListViewModel>()));
 
+  getIt.registerFactory(
+      () => NanoAccountListPage(accountListViewModel: getIt.get<NanoAccountListViewModel>()));
+
   /*getIt.registerFactory(() {
     final wallet = getIt.get<AppStore>().wallet;
 
@@ -626,6 +680,18 @@ Future<void> setup({
           moneroAccountCreationViewModel:
               getIt.get<MoneroAccountEditOrCreateViewModel>(param1: account)));
 
+  getIt.registerFactoryParam<NanoAccountEditOrCreateViewModel, NanoAccount?, void>(
+      (NanoAccount? account, _) =>
+          NanoAccountEditOrCreateViewModel(nano!.getAccountList(getIt.get<AppStore>().wallet!),
+              // banano?.getAccountList(getIt.get<AppStore>().wallet!),
+              wallet: getIt.get<AppStore>().wallet!,
+              accountListItem: account));
+
+  getIt.registerFactoryParam<NanoAccountEditOrCreatePage, NanoAccount?, void>(
+      (NanoAccount? account, _) => NanoAccountEditOrCreatePage(
+          nanoAccountCreationViewModel:
+              getIt.get<NanoAccountEditOrCreateViewModel>(param1: account)));
+
   getIt.registerFactory(() {
     return DisplaySettingsViewModel(getIt.get<SettingsStore>());
   });
@@ -669,7 +735,18 @@ Future<void> setup({
     return NodeListViewModel(_nodeSource, appStore);
   });
 
-  getIt.registerFactory(() => ConnectionSyncPage(getIt.get<DashboardViewModel>()));
+  getIt.registerFactory(() {
+    final appStore = getIt.get<AppStore>();
+    return PowNodeListViewModel(_powNodeSource, appStore);
+  });
+
+  getIt.registerFactory(() {
+    final wallet = getIt.get<AppStore>().wallet;
+    return ConnectionSyncPage(
+      getIt.get<DashboardViewModel>(),
+      wallet?.type == WalletType.ethereum ? getIt.get<Web3WalletService>() : null,
+    );
+  });
 
   getIt.registerFactory(
       () => SecurityBackupPage(getIt.get<SecuritySettingsViewModel>(), getIt.get<AuthService>()));
@@ -680,13 +757,23 @@ Future<void> setup({
 
   getIt.registerFactory(() => OtherSettingsPage(getIt.get<OtherSettingsViewModel>()));
 
-  getIt.registerFactoryParam<NodeCreateOrEditViewModel, WalletType?, void>((WalletType? type, _) =>
-      NodeCreateOrEditViewModel(
-          _nodeSource, type ?? getIt.get<AppStore>().wallet!.type, getIt.get<SettingsStore>()));
+  getIt.registerFactory(() => NanoChangeRepPage(getIt.get<AppStore>().wallet!));
+
+  getIt.registerFactoryParam<NodeCreateOrEditViewModel, WalletType?, bool?>(
+      (WalletType? type, bool? isPow) => NodeCreateOrEditViewModel(
+          (isPow ?? false) ? _powNodeSource : _nodeSource,
+          type ?? getIt.get<AppStore>().wallet!.type,
+          getIt.get<SettingsStore>()));
 
   getIt.registerFactoryParam<NodeCreateOrEditPage, Node?, bool?>(
       (Node? editingNode, bool? isSelected) => NodeCreateOrEditPage(
-          nodeCreateOrEditViewModel: getIt.get<NodeCreateOrEditViewModel>(),
+          nodeCreateOrEditViewModel: getIt.get<NodeCreateOrEditViewModel>(param2: false),
+          editingNode: editingNode,
+          isSelected: isSelected));
+
+  getIt.registerFactoryParam<PowNodeCreateOrEditPage, Node?, bool?>(
+      (Node? editingNode, bool? isSelected) => PowNodeCreateOrEditPage(
+          nodeCreateOrEditViewModel: getIt.get<NodeCreateOrEditViewModel>(param2: true),
           editingNode: editingNode,
           isSelected: isSelected));
 
@@ -742,6 +829,8 @@ Future<void> setup({
         return bitcoin!.createLitecoinWalletService(_walletInfoSource, _unspentCoinsInfoSource);
       case WalletType.ethereum:
         return ethereum!.createEthereumWalletService(_walletInfoSource);
+      case WalletType.nano:
+        return nano!.createNanoWalletService(_walletInfoSource);
       default:
         throw Exception('Unexpected token: ${param1.toString()} for generating of WalletService');
     }
@@ -769,6 +858,15 @@ Future<void> setup({
   getIt.registerFactoryParam<WalletRestorePage, WalletType, void>(
       (type, _) => WalletRestorePage(getIt.get<WalletRestoreViewModel>(param1: type)));
 
+  getIt.registerFactoryParam<WalletRestoreChooseDerivationViewModel, List<DerivationInfo>, void>(
+      (derivations, _) => WalletRestoreChooseDerivationViewModel(derivationInfos: derivations));
+
+  getIt.registerFactoryParam<WalletRestoreChooseDerivationPage, List<DerivationInfo>, void>(
+      (credentials, _) =>
+          WalletRestoreChooseDerivationPage(getIt.get<WalletRestoreChooseDerivationViewModel>(
+            param1: credentials,
+          )));
+
   getIt.registerFactoryParam<TransactionDetailsViewModel, TransactionInfo, void>(
       (TransactionInfo transactionInfo, _) {
     final wallet = getIt.get<AppStore>().wallet!;
@@ -831,7 +929,7 @@ Future<void> setup({
         wallet: wallet!);
   });
 
-  getIt.registerFactoryParam<BuyWebViewPage, List, void>((List args, _) {
+  getIt.registerFactoryParam<BuyWebViewPage, List<dynamic>, void>((List<dynamic> args, _) {
     final url = args.first as String;
     final buyViewModel = args[1] as BuyViewModel;
 
@@ -852,16 +950,15 @@ Future<void> setup({
 
   getIt.registerFactory(() => SupportPage(getIt.get<SupportViewModel>()));
 
-  getIt.registerFactory(() =>
-      SupportChatPage(
-          getIt.get<SupportViewModel>(), secureStorage: getIt.get<FlutterSecureStorage>()));
+  getIt.registerFactory(() => SupportChatPage(getIt.get<SupportViewModel>(),
+      secureStorage: getIt.get<FlutterSecureStorage>()));
 
   getIt.registerFactory(() => SupportOtherLinksPage(getIt.get<SupportViewModel>()));
 
   getIt.registerFactory(() {
     final wallet = getIt.get<AppStore>().wallet;
 
-    return UnspentCoinsListViewModel(wallet: wallet!, unspentCoinsInfo: _unspentCoinsInfoSource!);
+    return UnspentCoinsListViewModel(wallet: wallet!, unspentCoinsInfo: _unspentCoinsInfoSource);
   });
 
   getIt.registerFactory(() =>
@@ -872,7 +969,7 @@ Future<void> setup({
       (item, model) =>
           UnspentCoinsDetailsViewModel(unspentCoinsItem: item, unspentCoinsListViewModel: model));
 
-  getIt.registerFactoryParam<UnspentCoinsDetailsPage, List, void>((List args, _) {
+  getIt.registerFactoryParam<UnspentCoinsDetailsPage, List<dynamic>, void>((List<dynamic> args, _) {
     final item = args.first as UnspentCoinsItem;
     final unspentCoinsListViewModel = args[1] as UnspentCoinsListViewModel;
 
@@ -883,8 +980,8 @@ Future<void> setup({
 
   getIt.registerFactory(() => YatService());
 
-  getIt.registerFactory(() => AddressResolver(
-      yatService: getIt.get<YatService>(), walletType: getIt.get<AppStore>().wallet!.type));
+  getIt.registerFactory(() =>
+      AddressResolver(yatService: getIt.get<YatService>(), wallet: getIt.get<AppStore>().wallet!));
 
   getIt.registerFactoryParam<FullscreenQRPage, QrViewData, void>(
       (QrViewData viewData, _) => FullscreenQRPage(qrViewData: viewData));
@@ -925,7 +1022,7 @@ Future<void> setup({
 
   getIt.registerFactory(() => IoniaLoginPage(getIt.get<IoniaAuthViewModel>()));
 
-  getIt.registerFactoryParam<IoniaVerifyIoniaOtp, List, void>((List args, _) {
+  getIt.registerFactoryParam<IoniaVerifyIoniaOtp, List<dynamic>, void>((List<dynamic> args, _) {
     final email = args.first as String;
     final isSignIn = args[1] as bool;
 
@@ -934,13 +1031,14 @@ Future<void> setup({
 
   getIt.registerFactory(() => IoniaWelcomePage());
 
-  getIt.registerFactoryParam<IoniaBuyGiftCardPage, List, void>((List args, _) {
+  getIt.registerFactoryParam<IoniaBuyGiftCardPage, List<dynamic>, void>((List<dynamic> args, _) {
     final merchant = args.first as IoniaMerchant;
 
     return IoniaBuyGiftCardPage(getIt.get<IoniaBuyCardViewModel>(param1: merchant));
   });
 
-  getIt.registerFactoryParam<IoniaBuyGiftCardDetailPage, List, void>((List args, _) {
+  getIt.registerFactoryParam<IoniaBuyGiftCardDetailPage, List<dynamic>, void>(
+      (List<dynamic> args, _) {
     final amount = args.first as double;
     final merchant = args.last as IoniaMerchant;
     return IoniaBuyGiftCardDetailPage(
@@ -953,7 +1051,7 @@ Future<void> setup({
         ioniaService: getIt.get<IoniaService>(), giftCard: giftCard);
   });
 
-  getIt.registerFactoryParam<IoniaCustomTipViewModel, List, void>((List args, _) {
+  getIt.registerFactoryParam<IoniaCustomTipViewModel, List<dynamic>, void>((List<dynamic> args, _) {
     final amount = args[0] as double;
     final merchant = args[1] as IoniaMerchant;
     final tip = args[2] as IoniaTip;
@@ -966,7 +1064,7 @@ Future<void> setup({
     return IoniaGiftCardDetailPage(getIt.get<IoniaGiftCardDetailsViewModel>(param1: giftCard));
   });
 
-  getIt.registerFactoryParam<IoniaMoreOptionsPage, List, void>((List args, _) {
+  getIt.registerFactoryParam<IoniaMoreOptionsPage, List<dynamic>, void>((List<dynamic> args, _) {
     final giftCard = args.first as IoniaGiftCard;
 
     return IoniaMoreOptionsPage(giftCard);
@@ -976,13 +1074,13 @@ Future<void> setup({
       (IoniaGiftCard giftCard, _) =>
           IoniaCustomRedeemViewModel(giftCard: giftCard, ioniaService: getIt.get<IoniaService>()));
 
-  getIt.registerFactoryParam<IoniaCustomRedeemPage, List, void>((List args, _) {
+  getIt.registerFactoryParam<IoniaCustomRedeemPage, List<dynamic>, void>((List<dynamic> args, _) {
     final giftCard = args.first as IoniaGiftCard;
 
     return IoniaCustomRedeemPage(getIt.get<IoniaCustomRedeemViewModel>(param1: giftCard));
   });
 
-  getIt.registerFactoryParam<IoniaCustomTipPage, List, void>((List args, _) {
+  getIt.registerFactoryParam<IoniaCustomTipPage, List<dynamic>, void>((List<dynamic> args, _) {
     return IoniaCustomTipPage(getIt.get<IoniaCustomTipViewModel>(param1: args));
   });
 
@@ -1049,7 +1147,12 @@ Future<void> setup({
     ),
   );
 
-  getIt.registerFactory<ManageNodesPage>(() => ManageNodesPage(getIt.get<NodeListViewModel>()));
+  getIt.registerFactoryParam<ManageNodesPage, bool, void>((bool isPow, _) {
+    if (isPow) {
+      return ManageNodesPage(isPow, powNodeListViewModel: getIt.get<PowNodeListViewModel>());
+    }
+    return ManageNodesPage(isPow, nodeListViewModel: getIt.get<NodeListViewModel>());
+  });
 
   getIt.registerFactory<ScanScreen>(() => ScanScreen());
 

lib/entities/default_settings_migration.dart

@@ -26,12 +26,15 @@ const cakeWalletBitcoinElectrumUri = 'electrum.cakewallet.com:50002';
 const cakeWalletLitecoinElectrumUri = 'ltc-electrum.cakewallet.com:50002';
 const havenDefaultNodeUri = 'nodes.havenprotocol.org:443';
 const ethereumDefaultNodeUri = 'ethereum.publicnode.com';
+const nanoDefaultNodeUri = 'rpc.nano.to';
+const nanoDefaultPowNodeUri = 'rpc.nano.to';
 
 Future<void> defaultSettingsMigration(
     {required int version,
     required SharedPreferences sharedPreferences,
     required FlutterSecureStorage secureStorage,
     required Box<Node> nodes,
+    required Box<Node> powNodes,
     required Box<WalletInfo> walletInfoSource,
     required Box<Trade> tradeSource,
     required Box<Contact> contactSource}) async {
@@ -40,41 +43,36 @@ Future<void> defaultSettingsMigration(
   }
 
   // check current nodes for nullability regardless of the version
-  await checkCurrentNodes(nodes, sharedPreferences);
+  await checkCurrentNodes(nodes, powNodes, sharedPreferences);
+
+  final isNewInstall =
+      sharedPreferences.getInt(PreferencesKey.currentDefaultSettingsMigrationVersion) == null;
 
   await _validateWalletInfoBoxData(walletInfoSource);
 
-  final isNewInstall = sharedPreferences
-      .getInt(PreferencesKey.currentDefaultSettingsMigrationVersion) == null;
+  await sharedPreferences.setBool(PreferencesKey.isNewInstall, isNewInstall);
 
-  await sharedPreferences.setBool(
-      PreferencesKey.isNewInstall, isNewInstall);
+  final currentVersion =
+      sharedPreferences.getInt(PreferencesKey.currentDefaultSettingsMigrationVersion) ?? 0;
 
-
-  final currentVersion = sharedPreferences
-          .getInt(PreferencesKey.currentDefaultSettingsMigrationVersion) ??
-      0;
   if (currentVersion >= version) {
     return;
   }
 
   final migrationVersionsLength = version - currentVersion;
-  final migrationVersions = List<int>.generate(
-      migrationVersionsLength, (i) => currentVersion + (i + 1));
+  final migrationVersions =
+      List<int>.generate(migrationVersionsLength, (i) => currentVersion + (i + 1));
 
   await Future.forEach(migrationVersions, (int version) async {
     try {
       switch (version) {
         case 1:
           await sharedPreferences.setString(
-              PreferencesKey.currentFiatCurrencyKey,
-              FiatCurrency.usd.toString());
-          await sharedPreferences.setInt(
-              PreferencesKey.currentTransactionPriorityKeyLegacy,
+              PreferencesKey.currentFiatCurrencyKey, FiatCurrency.usd.toString());
+          await sharedPreferences.setInt(PreferencesKey.currentTransactionPriorityKeyLegacy,
               monero!.getDefaultTransactionPriority().raw);
           await sharedPreferences.setInt(
-              PreferencesKey.currentBalanceDisplayModeKey,
-              BalanceDisplayMode.availableBalance.raw);
+              PreferencesKey.currentBalanceDisplayModeKey, BalanceDisplayMode.availableBalance.raw);
           await sharedPreferences.setBool('save_recipient_address', true);
           await resetToDefault(nodes);
           await changeMoneroCurrentNodeToDefault(
@@ -83,14 +81,12 @@ Future<void> defaultSettingsMigration(
               sharedPreferences: sharedPreferences, nodes: nodes);
           await changeLitecoinCurrentElectrumServerToDefault(
               sharedPreferences: sharedPreferences, nodes: nodes);
-          await changeHavenCurrentNodeToDefault(
-              sharedPreferences: sharedPreferences, nodes: nodes);
+          await changeHavenCurrentNodeToDefault(sharedPreferences: sharedPreferences, nodes: nodes);
 
           break;
         case 2:
           await replaceNodesMigration(nodes: nodes);
-          await replaceDefaultNode(
-              sharedPreferences: sharedPreferences, nodes: nodes);
+          await replaceDefaultNode(sharedPreferences: sharedPreferences, nodes: nodes);
 
           break;
         case 3:
@@ -124,7 +120,7 @@ Future<void> defaultSettingsMigration(
           break;
 
         case 12:
-          await checkCurrentNodes(nodes, sharedPreferences);
+          await checkCurrentNodes(nodes, powNodes, sharedPreferences);
           break;
 
         case 13:
@@ -135,14 +131,13 @@ Future<void> defaultSettingsMigration(
           await addLitecoinElectrumServerList(nodes: nodes);
           await changeLitecoinCurrentElectrumServerToDefault(
               sharedPreferences: sharedPreferences, nodes: nodes);
-          await checkCurrentNodes(nodes, sharedPreferences);
+          await checkCurrentNodes(nodes, powNodes, sharedPreferences);
           break;
 
         case 16:
           await addHavenNodeList(nodes: nodes);
-          await changeHavenCurrentNodeToDefault(
-              sharedPreferences: sharedPreferences, nodes: nodes);
-          await checkCurrentNodes(nodes, sharedPreferences);
+          await changeHavenCurrentNodeToDefault(sharedPreferences: sharedPreferences, nodes: nodes);
+          await checkCurrentNodes(nodes, powNodes, sharedPreferences);
           break;
 
         case 17:
@@ -164,6 +159,13 @@ Future<void> defaultSettingsMigration(
           await changeEthereumCurrentNodeToDefault(
               sharedPreferences: sharedPreferences, nodes: nodes);
           break;
+        case 22:
+          await addNanoNodeList(nodes: nodes);
+          await addNanoPowNodeList(nodes: powNodes);
+          await changeNanoCurrentNodeToDefault(sharedPreferences: sharedPreferences, nodes: nodes);
+          await changeNanoCurrentPowNodeToDefault(
+              sharedPreferences: sharedPreferences, nodes: powNodes);
+          break;
 
         default:
           break;
@@ -176,8 +178,7 @@ Future<void> defaultSettingsMigration(
     }
   });
 
-  await sharedPreferences.setInt(
-      PreferencesKey.currentDefaultSettingsMigrationVersion, version);
+  await sharedPreferences.setInt(PreferencesKey.currentDefaultSettingsMigrationVersion, version);
 }
 
 Future<void> _validateWalletInfoBoxData(Box<WalletInfo> walletInfoSource) async {
@@ -247,8 +248,8 @@ Future<void> validateBitcoinSavedTransactionPriority(SharedPreferences sharedPre
   final int? savedBitcoinPriority =
       sharedPreferences.getInt(PreferencesKey.bitcoinTransactionPriority);
   if (!bitcoin!.getTransactionPriorities().any((element) => element.raw == savedBitcoinPriority)) {
-    await sharedPreferences.setInt(
-        PreferencesKey.bitcoinTransactionPriority, bitcoin!.getMediumTransactionPriority().serialize());
+    await sharedPreferences.setInt(PreferencesKey.bitcoinTransactionPriority,
+        bitcoin!.getMediumTransactionPriority().serialize());
   }
 }
 
@@ -265,10 +266,9 @@ Future<void> replaceNodesMigration({required Box<Node> nodes}) async {
   final replaceNodes = <String, Node>{
     'eu-node.cakewallet.io:18081':
         Node(uri: 'xmr-node-eu.cakewallet.com:18081', type: WalletType.monero),
-    'node.cakewallet.io:18081': Node(
-        uri: 'xmr-node-usa-east.cakewallet.com:18081', type: WalletType.monero),
-    'node.xmr.ru:13666':
-        Node(uri: 'node.monero.net:18081', type: WalletType.monero)
+    'node.cakewallet.io:18081':
+        Node(uri: 'xmr-node-usa-east.cakewallet.com:18081', type: WalletType.monero),
+    'node.xmr.ru:13666': Node(uri: 'node.monero.net:18081', type: WalletType.monero)
   };
 
   nodes.values.forEach((Node node) async {
@@ -284,8 +284,7 @@ Future<void> replaceNodesMigration({required Box<Node> nodes}) async {
 }
 
 Future<void> changeMoneroCurrentNodeToDefault(
-    {required SharedPreferences sharedPreferences,
-    required Box<Node> nodes}) async {
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
   final node = getMoneroDefaultNode(nodes: nodes);
   final nodeId = node.key as int? ?? 0; // 0 - England
 
@@ -293,27 +292,35 @@ Future<void> changeMoneroCurrentNodeToDefault(
 }
 
 Node? getBitcoinDefaultElectrumServer({required Box<Node> nodes}) {
-    return nodes.values.firstWhereOrNull(
-          (Node node) => node.uriRaw == cakeWalletBitcoinElectrumUri)
-          ?? nodes.values.firstWhereOrNull((node) => node.type == WalletType.bitcoin);
+  return nodes.values
+          .firstWhereOrNull((Node node) => node.uriRaw == cakeWalletBitcoinElectrumUri) ??
+      nodes.values.firstWhereOrNull((node) => node.type == WalletType.bitcoin);
 }
 
 Node? getLitecoinDefaultElectrumServer({required Box<Node> nodes}) {
-    return nodes.values.firstWhereOrNull(
-          (Node node) => node.uriRaw == cakeWalletLitecoinElectrumUri)
-          ?? nodes.values.firstWhereOrNull((node) => node.type == WalletType.litecoin);
+  return nodes.values
+          .firstWhereOrNull((Node node) => node.uriRaw == cakeWalletLitecoinElectrumUri) ??
+      nodes.values.firstWhereOrNull((node) => node.type == WalletType.litecoin);
 }
 
 Node? getHavenDefaultNode({required Box<Node> nodes}) {
-    return nodes.values.firstWhereOrNull(
-          (Node node) => node.uriRaw == havenDefaultNodeUri)
-          ?? nodes.values.firstWhereOrNull((node) => node.type == WalletType.haven);
+  return nodes.values.firstWhereOrNull((Node node) => node.uriRaw == havenDefaultNodeUri) ??
+      nodes.values.firstWhereOrNull((node) => node.type == WalletType.haven);
 }
 
 Node? getEthereumDefaultNode({required Box<Node> nodes}) {
-    return nodes.values.firstWhereOrNull(
-          (Node node) => node.uriRaw == ethereumDefaultNodeUri)
-          ?? nodes.values.firstWhereOrNull((node) => node.type == WalletType.ethereum);
+  return nodes.values.firstWhereOrNull((Node node) => node.uriRaw == ethereumDefaultNodeUri) ??
+      nodes.values.firstWhereOrNull((node) => node.type == WalletType.ethereum);
+}
+
+Node? getNanoDefaultNode({required Box<Node> nodes}) {
+  return nodes.values.firstWhereOrNull((Node node) => node.uriRaw == nanoDefaultNodeUri) ??
+      nodes.values.firstWhereOrNull((node) => node.type == WalletType.nano);
+}
+
+Node? getNanoDefaultPowNode({required Box<Node> nodes}) {
+  return nodes.values.firstWhereOrNull((Node node) => node.uriRaw == nanoDefaultPowNodeUri) ??
+      nodes.values.firstWhereOrNull((node) => (node.type == WalletType.nano));
 }
 
 Node getMoneroDefaultNode({required Box<Node> nodes}) {
@@ -329,16 +336,14 @@ Node getMoneroDefaultNode({required Box<Node> nodes}) {
   }
 
   try {
-    return nodes.values
-          .firstWhere((Node node) => node.uriRaw == nodeUri);
-  } catch(_) {
+    return nodes.values.firstWhere((Node node) => node.uriRaw == nodeUri);
+  } catch (_) {
     return nodes.values.first;
   }
 }
 
 Future<void> changeBitcoinCurrentElectrumServerToDefault(
-    {required SharedPreferences sharedPreferences,
-    required Box<Node> nodes}) async {
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
   final server = getBitcoinDefaultElectrumServer(nodes: nodes);
   final serverId = server?.key as int? ?? 0;
 
@@ -346,8 +351,7 @@ Future<void> changeBitcoinCurrentElectrumServerToDefault(
 }
 
 Future<void> changeLitecoinCurrentElectrumServerToDefault(
-    {required SharedPreferences sharedPreferences,
-    required Box<Node> nodes}) async {
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
   final server = getLitecoinDefaultElectrumServer(nodes: nodes);
   final serverId = server?.key as int? ?? 0;
 
@@ -355,8 +359,7 @@ Future<void> changeLitecoinCurrentElectrumServerToDefault(
 }
 
 Future<void> changeHavenCurrentNodeToDefault(
-    {required SharedPreferences sharedPreferences,
-    required Box<Node> nodes}) async {
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
   final node = getHavenDefaultNode(nodes: nodes);
   final nodeId = node?.key as int? ?? 0;
 
@@ -364,25 +367,21 @@ Future<void> changeHavenCurrentNodeToDefault(
 }
 
 Future<void> replaceDefaultNode(
-    {required SharedPreferences sharedPreferences,
-    required Box<Node> nodes}) async {
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
   const nodesForReplace = <String>[
     'xmr-node-uk.cakewallet.com:18081',
     'eu-node.cakewallet.io:18081',
     'node.cakewallet.io:18081'
   ];
   final currentNodeId = sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
-  final currentNode =
-      nodes.values.firstWhereOrNull((Node node) => node.key == currentNodeId);
-  final needToReplace =
-      currentNode == null ? true : nodesForReplace.contains(currentNode.uriRaw);
+  final currentNode = nodes.values.firstWhereOrNull((Node node) => node.key == currentNodeId);
+  final needToReplace = currentNode == null ? true : nodesForReplace.contains(currentNode.uriRaw);
 
   if (!needToReplace) {
     return;
   }
 
-  await changeMoneroCurrentNodeToDefault(
-      sharedPreferences: sharedPreferences, nodes: nodes);
+  await changeMoneroCurrentNodeToDefault(sharedPreferences: sharedPreferences, nodes: nodes);
 }
 
 Future<void> updateNodeTypes({required Box<Node> nodes}) async {
@@ -421,14 +420,11 @@ Future<void> addHavenNodeList({required Box<Node> nodes}) async {
   }
 }
 
-Future<void> addAddressesForMoneroWallets(
-    Box<WalletInfo> walletInfoSource) async {
-  final moneroWalletsInfo =
-      walletInfoSource.values.where((info) => info.type == WalletType.monero);
+Future<void> addAddressesForMoneroWallets(Box<WalletInfo> walletInfoSource) async {
+  final moneroWalletsInfo = walletInfoSource.values.where((info) => info.type == WalletType.monero);
   moneroWalletsInfo.forEach((info) async {
     try {
-      final walletPath =
-          await pathForWallet(name: info.name, type: WalletType.monero);
+      final walletPath = await pathForWallet(name: info.name, type: WalletType.monero);
       final addressFilePath = '$walletPath.address.txt';
       final addressFile = File(addressFilePath);
 
@@ -449,8 +445,7 @@ Future<void> updateDisplayModes(SharedPreferences sharedPreferences) async {
   final currentBalanceDisplayMode =
       sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey) ?? -1;
   final balanceDisplayMode = currentBalanceDisplayMode < 2 ? 3 : 2;
-  await sharedPreferences.setInt(
-      PreferencesKey.currentBalanceDisplayModeKey, balanceDisplayMode);
+  await sharedPreferences.setInt(PreferencesKey.currentBalanceDisplayModeKey, balanceDisplayMode);
 }
 
 Future<void> generateBackupPassword(FlutterSecureStorage secureStorage) async {
@@ -464,10 +459,9 @@ Future<void> generateBackupPassword(FlutterSecureStorage secureStorage) async {
   await secureStorage.write(key: key, value: password);
 }
 
-Future<void> changeTransactionPriorityAndFeeRateKeys(
-    SharedPreferences sharedPreferences) async {
-  final legacyTransactionPriority = sharedPreferences
-      .getInt(PreferencesKey.currentTransactionPriorityKeyLegacy)!;
+Future<void> changeTransactionPriorityAndFeeRateKeys(SharedPreferences sharedPreferences) async {
+  final legacyTransactionPriority =
+      sharedPreferences.getInt(PreferencesKey.currentTransactionPriorityKeyLegacy)!;
   await sharedPreferences.setInt(
       PreferencesKey.moneroTransactionPriority, legacyTransactionPriority);
   await sharedPreferences.setInt(PreferencesKey.bitcoinTransactionPriority,
@@ -477,10 +471,8 @@ Future<void> changeTransactionPriorityAndFeeRateKeys(
 Future<void> changeDefaultMoneroNode(
     Box<Node> nodeSource, SharedPreferences sharedPreferences) async {
   const cakeWalletMoneroNodeUriPattern = '.cakewallet.com';
-  final currentMoneroNodeId =
-      sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
-  final currentMoneroNode =
-      nodeSource.values.firstWhere((node) => node.key == currentMoneroNodeId);
+  final currentMoneroNodeId = sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
+  final currentMoneroNode = nodeSource.values.firstWhere((node) => node.key == currentMoneroNodeId);
   final needToReplaceCurrentMoneroNode =
       currentMoneroNode.uri.toString().contains(cakeWalletMoneroNodeUriPattern);
 
@@ -491,78 +483,87 @@ Future<void> changeDefaultMoneroNode(
     }
   });
 
-  final newCakeWalletNode =
-      Node(uri: newCakeWalletMoneroUri, type: WalletType.monero);
+  final newCakeWalletNode = Node(uri: newCakeWalletMoneroUri, type: WalletType.monero);
 
   await nodeSource.add(newCakeWalletNode);
 
   if (needToReplaceCurrentMoneroNode) {
-    await sharedPreferences.setInt(
-        PreferencesKey.currentNodeIdKey, newCakeWalletNode.key as int);
+    await sharedPreferences.setInt(PreferencesKey.currentNodeIdKey, newCakeWalletNode.key as int);
   }
 }
 
 Future<void> checkCurrentNodes(
-    Box<Node> nodeSource, SharedPreferences sharedPreferences) async {
-  final currentMoneroNodeId =
-      sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
+    Box<Node> nodeSource, Box<Node> powNodeSource, SharedPreferences sharedPreferences) async {
+  final currentMoneroNodeId = sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
   final currentBitcoinElectrumSeverId =
       sharedPreferences.getInt(PreferencesKey.currentBitcoinElectrumSererIdKey);
-  final currentLitecoinElectrumSeverId = sharedPreferences
-      .getInt(PreferencesKey.currentLitecoinElectrumSererIdKey);
-  final currentHavenNodeId = sharedPreferences
-      .getInt(PreferencesKey.currentHavenNodeIdKey);
-  final currentEthereumNodeId = sharedPreferences
-      .getInt(PreferencesKey.currentEthereumNodeIdKey);
-  final currentMoneroNode = nodeSource.values.firstWhereOrNull(
-      (node) => node.key == currentMoneroNodeId);
-  final currentBitcoinElectrumServer = nodeSource.values.firstWhereOrNull(
-      (node) => node.key == currentBitcoinElectrumSeverId);
-  final currentLitecoinElectrumServer = nodeSource.values.firstWhereOrNull(
-      (node) => node.key == currentLitecoinElectrumSeverId);
-  final currentHavenNodeServer = nodeSource.values.firstWhereOrNull(
-      (node) => node.key == currentHavenNodeId);
-  final currentEthereumNodeServer = nodeSource.values.firstWhereOrNull(
-      (node) => node.key == currentEthereumNodeId);
+  final currentLitecoinElectrumSeverId =
+      sharedPreferences.getInt(PreferencesKey.currentLitecoinElectrumSererIdKey);
+  final currentHavenNodeId = sharedPreferences.getInt(PreferencesKey.currentHavenNodeIdKey);
+  final currentEthereumNodeId = sharedPreferences.getInt(PreferencesKey.currentEthereumNodeIdKey);
+  final currentNanoNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoNodeIdKey);
+  final currentNanoPowNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoPowNodeIdKey);
+  final currentMoneroNode =
+      nodeSource.values.firstWhereOrNull((node) => node.key == currentMoneroNodeId);
+  final currentBitcoinElectrumServer =
+      nodeSource.values.firstWhereOrNull((node) => node.key == currentBitcoinElectrumSeverId);
+  final currentLitecoinElectrumServer =
+      nodeSource.values.firstWhereOrNull((node) => node.key == currentLitecoinElectrumSeverId);
+  final currentHavenNodeServer =
+      nodeSource.values.firstWhereOrNull((node) => node.key == currentHavenNodeId);
+  final currentEthereumNodeServer =
+      nodeSource.values.firstWhereOrNull((node) => node.key == currentEthereumNodeId);
+  final currentNanoNodeServer =
+      nodeSource.values.firstWhereOrNull((node) => node.key == currentNanoNodeId);
+  final currentNanoPowNodeServer =
+      powNodeSource.values.firstWhereOrNull((node) => node.key == currentNanoPowNodeId);
 
   if (currentMoneroNode == null) {
-    final newCakeWalletNode =
-        Node(uri: newCakeWalletMoneroUri, type: WalletType.monero);
+    final newCakeWalletNode = Node(uri: newCakeWalletMoneroUri, type: WalletType.monero);
     await nodeSource.add(newCakeWalletNode);
-    await sharedPreferences.setInt(
-        PreferencesKey.currentNodeIdKey, newCakeWalletNode.key as int);
+    await sharedPreferences.setInt(PreferencesKey.currentNodeIdKey, newCakeWalletNode.key as int);
   }
 
   if (currentBitcoinElectrumServer == null) {
-    final cakeWalletElectrum =
-        Node(uri: cakeWalletBitcoinElectrumUri, type: WalletType.bitcoin);
+    final cakeWalletElectrum = Node(uri: cakeWalletBitcoinElectrumUri, type: WalletType.bitcoin);
     await nodeSource.add(cakeWalletElectrum);
     await sharedPreferences.setInt(
-        PreferencesKey.currentBitcoinElectrumSererIdKey,
-        cakeWalletElectrum.key as int);
+        PreferencesKey.currentBitcoinElectrumSererIdKey, cakeWalletElectrum.key as int);
   }
 
   if (currentLitecoinElectrumServer == null) {
-    final cakeWalletElectrum =
-        Node(uri: cakeWalletLitecoinElectrumUri, type: WalletType.litecoin);
+    final cakeWalletElectrum = Node(uri: cakeWalletLitecoinElectrumUri, type: WalletType.litecoin);
     await nodeSource.add(cakeWalletElectrum);
     await sharedPreferences.setInt(
-        PreferencesKey.currentLitecoinElectrumSererIdKey,
-        cakeWalletElectrum.key as int);
+        PreferencesKey.currentLitecoinElectrumSererIdKey, cakeWalletElectrum.key as int);
   }
 
   if (currentHavenNodeServer == null) {
     final node = Node(uri: havenDefaultNodeUri, type: WalletType.haven);
     await nodeSource.add(node);
-    await sharedPreferences.setInt(
-        PreferencesKey.currentHavenNodeIdKey, node.key as int);
+    await sharedPreferences.setInt(PreferencesKey.currentHavenNodeIdKey, node.key as int);
   }
 
   if (currentEthereumNodeServer == null) {
     final node = Node(uri: ethereumDefaultNodeUri, type: WalletType.ethereum);
     await nodeSource.add(node);
-    await sharedPreferences.setInt(
-        PreferencesKey.currentEthereumNodeIdKey, node.key as int);
+    await sharedPreferences.setInt(PreferencesKey.currentEthereumNodeIdKey, node.key as int);
+  }
+
+  if (currentNanoNodeServer == null) {
+    final node = Node(uri: nanoDefaultNodeUri, useSSL: true, type: WalletType.nano);
+    await nodeSource.add(node);
+    await sharedPreferences.setInt(PreferencesKey.currentNanoNodeIdKey, node.key as int);
+  }
+
+  if (currentNanoPowNodeServer == null) {
+    Node? node = powNodeSource.values
+        .firstWhereOrNull((node) => node.uri.toString() == nanoDefaultPowNodeUri);
+    if (node == null) {
+      node = Node(uri: nanoDefaultPowNodeUri, useSSL: true, type: WalletType.nano);
+      await powNodeSource.add(node);
+    }
+    await sharedPreferences.setInt(PreferencesKey.currentNanoPowNodeIdKey, node.key as int);
   }
 }
 
@@ -570,31 +571,27 @@ Future<void> resetBitcoinElectrumServer(
     Box<Node> nodeSource, SharedPreferences sharedPreferences) async {
   final currentElectrumSeverId =
       sharedPreferences.getInt(PreferencesKey.currentBitcoinElectrumSererIdKey);
-  final oldElectrumServer = nodeSource.values.firstWhereOrNull(
-      (node) => node.uri.toString().contains('electrumx.cakewallet.com'));
-  var cakeWalletNode = nodeSource.values.firstWhereOrNull(
-      (node) => node.uriRaw.toString() == cakeWalletBitcoinElectrumUri);
+  final oldElectrumServer = nodeSource.values
+      .firstWhereOrNull((node) => node.uri.toString().contains('electrumx.cakewallet.com'));
+  var cakeWalletNode = nodeSource.values
+      .firstWhereOrNull((node) => node.uriRaw.toString() == cakeWalletBitcoinElectrumUri);
 
   if (cakeWalletNode == null) {
-    cakeWalletNode =
-        Node(uri: cakeWalletBitcoinElectrumUri, type: WalletType.bitcoin);
+    cakeWalletNode = Node(uri: cakeWalletBitcoinElectrumUri, type: WalletType.bitcoin);
     await nodeSource.add(cakeWalletNode);
   }
 
   if (currentElectrumSeverId == oldElectrumServer?.key) {
     await sharedPreferences.setInt(
-        PreferencesKey.currentBitcoinElectrumSererIdKey,
-        cakeWalletNode.key as int);
+        PreferencesKey.currentBitcoinElectrumSererIdKey, cakeWalletNode.key as int);
   }
 
   await oldElectrumServer?.delete();
 }
 
-Future<void> changeDefaultHavenNode(
-    Box<Node> nodeSource) async {
+Future<void> changeDefaultHavenNode(Box<Node> nodeSource) async {
   const previousHavenDefaultNodeUri = 'vault.havenprotocol.org:443';
-  final havenNodes = nodeSource.values.where(
-      (node) => node.uriRaw == previousHavenDefaultNodeUri);
+  final havenNodes = nodeSource.values.where((node) => node.uriRaw == previousHavenDefaultNodeUri);
   havenNodes.forEach((node) async {
     node.uriRaw = havenDefaultNodeUri;
     await node.save();
@@ -607,8 +604,8 @@ Future<void> migrateExchangeStatus(SharedPreferences sharedPreferences) async {
     return;
   }
 
-  await sharedPreferences.setInt(PreferencesKey.exchangeStatusKey, isExchangeDisabled
-      ? ExchangeApiMode.disabled.raw : ExchangeApiMode.enabled.raw);
+  await sharedPreferences.setInt(PreferencesKey.exchangeStatusKey,
+      isExchangeDisabled ? ExchangeApiMode.disabled.raw : ExchangeApiMode.enabled.raw);
 
   await sharedPreferences.remove(PreferencesKey.disableExchangeKey);
 }
@@ -623,10 +620,42 @@ Future<void> addEthereumNodeList({required Box<Node> nodes}) async {
 }
 
 Future<void> changeEthereumCurrentNodeToDefault(
-    {required SharedPreferences sharedPreferences,
-      required Box<Node> nodes}) async {
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
   final node = getEthereumDefaultNode(nodes: nodes);
   final nodeId = node?.key as int? ?? 0;
 
   await sharedPreferences.setInt(PreferencesKey.currentEthereumNodeIdKey, nodeId);
 }
+
+Future<void> addNanoNodeList({required Box<Node> nodes}) async {
+  final nodeList = await loadDefaultNanoNodes();
+  for (var node in nodeList) {
+    if (nodes.values.firstWhereOrNull((element) => element.uriRaw == node.uriRaw) == null) {
+      await nodes.add(node);
+    }
+  }
+}
+
+Future<void> addNanoPowNodeList({required Box<Node> nodes}) async {
+  final nodeList = await loadDefaultNanoPowNodes();
+  for (var node in nodeList) {
+    if (nodes.values.firstWhereOrNull((element) => element.uriRaw == node.uriRaw) == null) {
+      await nodes.add(node);
+    }
+  }
+}
+
+Future<void> changeNanoCurrentNodeToDefault(
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
+  final node = getNanoDefaultNode(nodes: nodes);
+  final nodeId = node?.key as int? ?? 0;
+
+  await sharedPreferences.setInt(PreferencesKey.currentNanoNodeIdKey, nodeId);
+}
+
+Future<void> changeNanoCurrentPowNodeToDefault(
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
+  final node = getNanoDefaultPowNode(nodes: nodes);
+  final nodeId = node?.key as int? ?? 0;
+  await sharedPreferences.setInt(PreferencesKey.currentNanoPowNodeIdKey, nodeId);
+}

lib/entities/ens_record.dart

@@ -0,0 +1,46 @@
+import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cw_core/wallet_base.dart';
+import 'package:cw_core/wallet_type.dart';
+import 'package:ens_dart/ens_dart.dart';
+import 'package:http/http.dart';
+import 'package:web3dart/web3dart.dart';
+
+class EnsRecord {
+  static Future<String> fetchEnsAddress(String name, {WalletBase? wallet}) async {
+    Web3Client? _client;
+
+    if (wallet != null && wallet.type == WalletType.ethereum) {
+      _client = ethereum!.getWeb3Client(wallet);
+    }
+
+    if (_client == null) {
+      _client = Web3Client("https://ethereum.publicnode.com", Client());
+    }
+
+    try {
+      final ens = Ens(client: _client);
+
+      if (wallet != null) {
+        switch (wallet.type) {
+          case WalletType.monero:
+            return await ens.withName(name).getCoinAddress(CoinType.XMR);
+          case WalletType.bitcoin:
+            return await ens.withName(name).getCoinAddress(CoinType.BTC);
+          case WalletType.litecoin:
+            return await ens.withName(name).getCoinAddress(CoinType.LTC);
+          case WalletType.haven:
+            return await ens.withName(name).getCoinAddress(CoinType.XHV);
+          case WalletType.ethereum:
+          default:
+            return (await ens.withName(name).getAddress()).hex;
+        }
+      }
+
+      final addr = await ens.withName(name).getAddress();
+      return addr.hex;
+    } catch (e) {
+      print(e);
+      return "";
+    }
+  }
+}

lib/entities/main_actions.dart

@@ -52,6 +52,8 @@ class MainActions {
         case WalletType.bitcoin:
         case WalletType.litecoin:
         case WalletType.ethereum:
+        case WalletType.nano:
+        case WalletType.banano:
           switch (defaultBuyProvider) {
             case BuyProviderType.AskEachTime:
               Navigator.pushNamed(context, Routes.buy);
@@ -73,7 +75,7 @@ class MainActions {
               builder: (BuildContext context) {
                 return AlertWithOneAction(
                     alertTitle: S.of(context).buy,
-                    alertContent: S.of(context).buy_alert_content,
+                    alertContent: S.of(context).unsupported_asset,
                     buttonText: S.of(context).ok,
                     buttonAction: () => Navigator.of(context).pop());
               });
@@ -143,7 +145,7 @@ class MainActions {
             builder: (BuildContext context) {
               return AlertWithOneAction(
                   alertTitle: S.of(context).sell,
-                  alertContent: S.of(context).sell_alert_content,
+                  alertContent: S.of(context).unsupported_asset,
                   buttonText: S.of(context).ok,
                   buttonAction: () => Navigator.of(context).pop());
             },

lib/entities/node_list.dart

@@ -21,13 +21,12 @@ Future<List<Node>> loadDefaultNodes() async {
 }
 
 Future<List<Node>> loadBitcoinElectrumServerList() async {
-  final serverListRaw =
-      await rootBundle.loadString('assets/bitcoin_electrum_server_list.yml');
+  final serverListRaw = await rootBundle.loadString('assets/bitcoin_electrum_server_list.yml');
   final loadedServerList = loadYaml(serverListRaw) as YamlList;
   final serverList = <Node>[];
 
   for (final raw in loadedServerList) {
-     if (raw is Map) {
+    if (raw is Map) {
       final node = Node.fromMap(Map<String, Object>.from(raw));
       node.type = WalletType.bitcoin;
       serverList.add(node);
@@ -38,8 +37,7 @@ Future<List<Node>> loadBitcoinElectrumServerList() async {
 }
 
 Future<List<Node>> loadLitecoinElectrumServerList() async {
-  final serverListRaw =
-      await rootBundle.loadString('assets/litecoin_electrum_server_list.yml');
+  final serverListRaw = await rootBundle.loadString('assets/litecoin_electrum_server_list.yml');
   final loadedServerList = loadYaml(serverListRaw) as YamlList;
   final serverList = <Node>[];
 
@@ -66,7 +64,7 @@ Future<List<Node>> loadDefaultHavenNodes() async {
       nodes.add(node);
     }
   }
-  
+
   return nodes;
 }
 
@@ -86,17 +84,60 @@ Future<List<Node>> loadDefaultEthereumNodes() async {
   return nodes;
 }
 
+Future<List<Node>> loadDefaultNanoNodes() async {
+  final nodesRaw = await rootBundle.loadString('assets/nano_node_list.yml');
+  final loadedNodes = loadYaml(nodesRaw) as YamlList;
+  final nodes = <Node>[];
+
+  for (final raw in loadedNodes) {
+    if (raw is Map) {
+      final node = Node.fromMap(Map<String, Object>.from(raw));
+      node.type = WalletType.nano;
+      nodes.add(node);
+    }
+  }
+
+  return nodes;
+}
+
+Future<List<Node>> loadDefaultNanoPowNodes() async {
+  final powNodesRaw = await rootBundle.loadString('assets/nano_pow_node_list.yml');
+  final loadedPowNodes = loadYaml(powNodesRaw) as YamlList;
+  final nodes = <Node>[];
+
+  for (final raw in loadedPowNodes) {
+    if (raw is Map) {
+      final node = Node.fromMap(Map<String, Object>.from(raw));
+      node.type = WalletType.nano;
+      nodes.add(node);
+    }
+  }
+
+  return nodes;
+}
+
 Future resetToDefault(Box<Node> nodeSource) async {
   final moneroNodes = await loadDefaultNodes();
   final bitcoinElectrumServerList = await loadBitcoinElectrumServerList();
   final litecoinElectrumServerList = await loadLitecoinElectrumServerList();
   final havenNodes = await loadDefaultHavenNodes();
-  final nodes =
-      moneroNodes +
+  final ethereumNodes = await loadDefaultEthereumNodes();
+  final nanoNodes = await loadDefaultNanoNodes();
+
+  final nodes = moneroNodes +
       bitcoinElectrumServerList +
       litecoinElectrumServerList +
-      havenNodes;
+      havenNodes +
+      ethereumNodes +
+      nanoNodes;
 
   await nodeSource.clear();
   await nodeSource.addAll(nodes);
 }
+
+Future resetPowToDefault(Box<Node> powNodeSource) async {
+  final nanoPowNodes = await loadDefaultNanoPowNodes();
+  final nodes = nanoPowNodes;
+  await powNodeSource.clear();
+  await powNodeSource.addAll(nodes);
+}

lib/entities/parse_address_from_domain.dart

@@ -1,19 +1,23 @@
 import 'package:cake_wallet/core/address_validator.dart';
 import 'package:cake_wallet/core/yat_service.dart';
+import 'package:cake_wallet/entities/ens_record.dart';
 import 'package:cake_wallet/entities/openalias_record.dart';
 import 'package:cake_wallet/entities/parsed_address.dart';
 import 'package:cake_wallet/entities/unstoppable_domain_address.dart';
 import 'package:cake_wallet/entities/emoji_string_extension.dart';
+import 'package:cake_wallet/mastodon/mastodon_api.dart';
 import 'package:cake_wallet/twitter/twitter_api.dart';
 import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:cake_wallet/entities/fio_address_provider.dart';
 
 class AddressResolver {
-  AddressResolver({required this.yatService, required this.walletType});
+  AddressResolver({required this.yatService, required this.wallet}) : walletType = wallet.type;
 
   final YatService yatService;
   final WalletType walletType;
+  final WalletBase wallet;
 
   static const unstoppableDomains = [
     'crypto',
@@ -63,13 +67,47 @@ class AddressResolver {
           });
           final userTweetsText = subString.toString();
           final addressFromPinnedTweet =
-          extractAddressByType(raw: userTweetsText, type: CryptoCurrency.fromString(ticker));
+              extractAddressByType(raw: userTweetsText, type: CryptoCurrency.fromString(ticker));
 
           if (addressFromPinnedTweet != null) {
             return ParsedAddress.fetchTwitterAddress(address: addressFromPinnedTweet, name: text);
           }
         }
       }
+
+      if (text.startsWith('@') && text.contains('@', 1) && text.contains('.', 1)) {
+        final subText = text.substring(1);
+        final hostNameIndex = subText.indexOf('@');
+        final hostName = subText.substring(hostNameIndex + 1);
+        final userName = subText.substring(0, hostNameIndex);
+
+        final mastodonUser =
+        await MastodonAPI.lookupUserByUserName(userName: userName, apiHost: hostName);
+
+        if (mastodonUser != null) {
+          String? addressFromBio =
+          extractAddressByType(raw: mastodonUser.note, type: CryptoCurrency.fromString(ticker));
+
+          if (addressFromBio != null) {
+            return ParsedAddress.fetchMastodonAddress(address: addressFromBio, name: text);
+          } else {
+            final pinnedPosts =
+            await MastodonAPI.getPinnedPosts(userId: mastodonUser.id, apiHost: hostName);
+
+            if (pinnedPosts.isNotEmpty) {
+              final userPinnedPostsText = pinnedPosts.map((item) => item.content).join('\n');
+              String? addressFromPinnedPost = extractAddressByType(
+                  raw: userPinnedPostsText, type: CryptoCurrency.fromString(ticker));
+
+              if (addressFromPinnedPost != null) {
+                return ParsedAddress.fetchMastodonAddress(
+                    address: addressFromPinnedPost, name: text);
+              }
+            }
+          }
+        }
+      }
+
       if (!text.startsWith('@') && text.contains('@') && !text.contains('.')) {
         final bool isFioRegistered = await FioAddressProvider.checkAvail(text);
         if (isFioRegistered) {
@@ -96,6 +134,13 @@ class AddressResolver {
         return ParsedAddress.fetchUnstoppableDomainAddress(address: address, name: text);
       }
 
+      if (text.endsWith(".eth")) {
+        final address = await EnsRecord.fetchEnsAddress(text, wallet: wallet);
+        if (address.isNotEmpty && address != "0x0000000000000000000000000000000000000000") {
+          return ParsedAddress.fetchEnsAddress(name: text, address: address);
+        }
+      }
+
       if (formattedName.contains(".")) {
         final txtRecord = await OpenaliasRecord.lookupOpenAliasRecord(formattedName);
         if (txtRecord != null) {

lib/entities/parsed_address.dart

@@ -1,7 +1,8 @@
 import 'package:cake_wallet/entities/openalias_record.dart';
 import 'package:cake_wallet/entities/yat_record.dart';
 
-enum ParseFrom { unstoppableDomains, openAlias, yatRecord, fio, notParsed, twitter, contact }
+
+enum ParseFrom { unstoppableDomains, openAlias, yatRecord, fio, notParsed, twitter, ens, contact, mastodon }
 
 class ParsedAddress {
   ParsedAddress({
@@ -69,6 +70,14 @@ class ParsedAddress {
     );
   }
 
+  factory ParsedAddress.fetchMastodonAddress({required String address, required String name}){
+    return ParsedAddress(
+      addresses: [address],
+      name: name,
+      parseFrom: ParseFrom.mastodon
+    );
+  }
+
   factory ParsedAddress.fetchContactAddress({required String address, required String name}){
     return ParsedAddress(
       addresses: [address],
@@ -77,8 +86,17 @@ class ParsedAddress {
     );
   }
 
+  factory ParsedAddress.fetchEnsAddress({required String address, required String name}) {
+    return ParsedAddress(
+      addresses: [address],
+      name: name,
+      parseFrom: ParseFrom.ens,
+    );
+  }
+
   final List<String> addresses;
   final String name;
   final String description;
   final ParseFrom parseFrom;
+
 }

lib/entities/preferences_key.dart

@@ -6,6 +6,10 @@ class PreferencesKey {
   static const currentLitecoinElectrumSererIdKey = 'current_node_id_ltc';
   static const currentHavenNodeIdKey = 'current_node_id_xhv';
   static const currentEthereumNodeIdKey = 'current_node_id_eth';
+  static const currentNanoNodeIdKey = 'current_node_id_nano';
+  static const currentNanoPowNodeIdKey = 'current_node_id_nano_pow';
+  static const currentBananoNodeIdKey = 'current_node_id_banano';
+  static const currentBananoPowNodeIdKey = 'current_node_id_banano_pow';
   static const currentFiatCurrencyKey = 'current_fiat_currency';
   static const currentTransactionPriorityKeyLegacy = 'current_fee_priority';
   static const currentBalanceDisplayModeKey = 'current_balance_display_mode';
@@ -15,11 +19,9 @@ class PreferencesKey {
   static const disableSellKey = 'disable_sell';
   static const defaultBuyProvider = 'default_buy_provider';
   static const currentFiatApiModeKey = 'current_fiat_api_mode';
-  static const allowBiometricalAuthenticationKey =
-      'allow_biometrical_authentication';
+  static const allowBiometricalAuthenticationKey = 'allow_biometrical_authentication';
   static const useTOTP2FA = 'use_totp_2fa';
   static const failedTotpTokenTrials = 'failed_token_trials';
-  static const totpSecretKey = 'totp_qr_secret_key';
   static const disableExchangeKey = 'disable_exchange';
   static const exchangeStatusKey = 'exchange_status';
   static const currentTheme = 'current_theme';
@@ -55,8 +57,7 @@ class PreferencesKey {
   static const clearnetDonationLink = 'clearnet_donation_link';
   static const onionDonationLink = 'onion_donation_link';
   static const lastSeenAppVersion = 'last_seen_app_version';
-  static const shouldShowMarketPlaceInDashboard =
-      'should_show_marketplace_in_dashboard';
+  static const shouldShowMarketPlaceInDashboard = 'should_show_marketplace_in_dashboard';
   static const isNewInstall = 'is_new_install';
   static const shouldRequireTOTP2FAForAccessingWallet =
       'should_require_totp_2fa_for_accessing_wallets';
@@ -75,4 +76,5 @@ class PreferencesKey {
   static const shouldRequireTOTP2FAForAllSecurityAndBackupSettings =
       'should_require_totp_2fa_for_all_security_and_backup_settings';
   static const selectedCake2FAPreset = 'selected_cake_2fa_preset';
+  static const totpSecretKey = 'totp_secret_key';
 }

lib/entities/priority_for_wallet_type.dart

@@ -17,8 +17,11 @@ List<TransactionPriority> priorityForWalletType(WalletType type) {
       return haven!.getTransactionPriorities();
     case WalletType.ethereum:
       return ethereum!.getTransactionPriorities();
+    // no such thing for nano/banano:
+    case WalletType.nano:
+    case WalletType.banano:
+      return [];
     default:
       return [];
   }
 }
-

lib/ethereum/cw_ethereum.dart

@@ -33,6 +33,20 @@ class CWEthereum extends Ethereum {
   @override
   String getAddress(WalletBase wallet) => (wallet as EthereumWallet).walletAddresses.address;
 
+  @override
+  String getPrivateKey(WalletBase wallet) {
+    final privateKeyHolder = (wallet as EthereumWallet).ethPrivateKey;
+    String stringKey = bytesToHex(privateKeyHolder.privateKey);
+    return stringKey;
+  }
+
+  @override
+  String getPublicKey(WalletBase wallet) {
+    final privateKeyInUnitInt = (wallet as EthereumWallet).ethPrivateKey;
+    final publicKey = privateKeyInUnitInt.address.hex;
+    return publicKey;
+  }
+
   @override
   TransactionPriority getDefaultTransactionPriority() => EthereumTransactionPriority.medium;
 
@@ -131,4 +145,9 @@ class CWEthereum extends Ethereum {
   void updateEtherscanUsageState(WalletBase wallet, bool isEnabled) {
     (wallet as EthereumWallet).updateEtherscanUsageState(isEnabled);
   }
+
+  @override
+  Web3Client? getWeb3Client(WalletBase wallet) {
+    return (wallet as EthereumWallet).getWeb3Client();
+  }
 }

lib/exchange/exchange_provider_description.dart

@@ -24,7 +24,10 @@ class ExchangeProviderDescription extends EnumerableItem<int> with Serializable<
   static const trocador =
       ExchangeProviderDescription(title: 'Trocador', raw: 5, image: 'assets/images/trocador.png');
 
-  static const all = ExchangeProviderDescription(title: 'All trades', raw: 6, image: '');
+  static const exolix =
+      ExchangeProviderDescription(title: 'Exolix', raw: 6, image: 'assets/images/exolix.png');
+
+  static const all = ExchangeProviderDescription(title: 'All trades', raw: 7, image: '');
 
   static ExchangeProviderDescription deserialize({required int raw}) {
     switch (raw) {
@@ -41,6 +44,8 @@ class ExchangeProviderDescription extends EnumerableItem<int> with Serializable<
       case 5:
         return trocador;
       case 6:
+        return exolix;
+      case 7:
         return all;
       default:
         throw Exception('Unexpected token: $raw for ExchangeProviderDescription deserialize');

lib/exchange/exolix/exolix_exchange_provider.dart

@@ -0,0 +1,294 @@
+import 'dart:convert';
+import 'package:cake_wallet/exchange/trade_not_found_exeption.dart';
+import 'package:http/http.dart';
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cake_wallet/exchange/exchange_pair.dart';
+import 'package:cake_wallet/exchange/exchange_provider.dart';
+import 'package:cake_wallet/exchange/limits.dart';
+import 'package:cake_wallet/exchange/trade.dart';
+import 'package:cake_wallet/exchange/trade_request.dart';
+import 'package:cake_wallet/exchange/trade_state.dart';
+import 'package:cake_wallet/exchange/exolix/exolix_request.dart';
+import 'package:cake_wallet/exchange/exchange_provider_description.dart';
+
+class ExolixExchangeProvider extends ExchangeProvider {
+  ExolixExchangeProvider() : super(pairList: _supportedPairs());
+
+  static final apiKey = secrets.exolixApiKey;
+  static const apiBaseUrl = 'exolix.com';
+  static const transactionsPath = '/api/v2/transactions';
+  static const ratePath = '/api/v2/rate';
+
+  static const List<CryptoCurrency> _notSupported = [
+    CryptoCurrency.usdt,
+    CryptoCurrency.xhv,
+    CryptoCurrency.btt,
+    CryptoCurrency.firo,
+    CryptoCurrency.zaddr,
+    CryptoCurrency.xvg,
+    CryptoCurrency.kmd,
+    CryptoCurrency.paxg,
+    CryptoCurrency.rune,
+    CryptoCurrency.scrt,
+    CryptoCurrency.btcln,
+    CryptoCurrency.cro,
+    CryptoCurrency.ftm,
+    CryptoCurrency.frax,
+    CryptoCurrency.gusd,
+    CryptoCurrency.gtc,
+    CryptoCurrency.weth,
+  ];
+
+  static List<ExchangePair> _supportedPairs() {
+    final supportedCurrencies =
+        CryptoCurrency.all.where((element) => !_notSupported.contains(element)).toList();
+
+    return supportedCurrencies
+        .map((i) => supportedCurrencies.map((k) => ExchangePair(from: i, to: k, reverse: true)))
+        .expand((i) => i)
+        .toList();
+  }
+
+  @override
+  String get title => 'Exolix';
+
+  @override
+  bool get isAvailable => true;
+
+  @override
+  bool get isEnabled => true;
+
+  @override
+  bool get supportsFixedRate => true;
+
+  @override
+  ExchangeProviderDescription get description => ExchangeProviderDescription.exolix;
+
+  @override
+  Future<bool> checkIsAvailable() async => true;
+
+  static String getRateType(bool isFixedRate) => isFixedRate ? 'fixed' : 'float';
+
+  @override
+  Future<Limits> fetchLimits(
+      {required CryptoCurrency from,
+      required CryptoCurrency to,
+      required bool isFixedRateMode}) async {
+    final params = <String, String>{
+      'rateType': getRateType(isFixedRateMode),
+      'amount': '1',
+    };
+    if (isFixedRateMode) {
+      params['coinFrom'] = _normalizeCurrency(to);
+      params['coinTo'] = _normalizeCurrency(from);
+      params['networkFrom'] = _networkFor(to);
+      params['networkTo'] = _networkFor(from);
+    } else {
+      params['coinFrom'] = _normalizeCurrency(from);
+      params['coinTo'] = _normalizeCurrency(to);
+      params['networkFrom'] = _networkFor(from);
+      params['networkTo'] = _networkFor(to);
+    }
+    final uri = Uri.https(apiBaseUrl, ratePath, params);
+    final response = await get(uri);
+
+    if (response.statusCode != 200) {
+      throw Exception('Unexpected http status: ${response.statusCode}');
+    }
+
+    final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+    return Limits(min: responseJSON['minAmount'] as double?);
+  }
+
+  @override
+  Future<Trade> createTrade({required TradeRequest request, required bool isFixedRateMode}) async {
+    final _request = request as ExolixRequest;
+
+    final headers = {'Content-Type': 'application/json'};
+    final body = <String, dynamic>{
+      'coinFrom': _normalizeCurrency(_request.from),
+      'coinTo':  _normalizeCurrency(_request.to),
+      'networkFrom': _networkFor(_request.from),
+      'networkTo': _networkFor(_request.to),
+      'withdrawalAddress': _request.address,
+      'refundAddress': _request.refundAddress,
+      'rateType': getRateType(isFixedRateMode),
+      'apiToken': apiKey,
+    };
+
+    if (isFixedRateMode) {
+      body['withdrawalAmount'] = _request.toAmount;
+    } else {
+      body['amount'] = _request.fromAmount;
+    }
+
+    final uri = Uri.https(apiBaseUrl, transactionsPath);
+    final response = await post(uri, headers: headers, body: json.encode(body));
+
+    if (response.statusCode == 400) {
+      final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+      final errors = responseJSON['errors'] as Map<String, String>;
+      final errorMessage = errors.values.join(', ');
+      throw Exception(errorMessage);
+    }
+
+    if (response.statusCode != 200 && response.statusCode != 201) {
+      throw Exception('Unexpected http status: ${response.statusCode}');
+    }
+
+    final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+    final id = responseJSON['id'] as String;
+    final inputAddress = responseJSON['depositAddress'] as String;
+    final refundAddress = responseJSON['refundAddress'] as String?;
+    final extraId = responseJSON['depositExtraId'] as String?;
+    final payoutAddress = responseJSON['withdrawalAddress'] as String;
+    final amount = responseJSON['amount'].toString();
+
+    return Trade(
+        id: id,
+        from: _request.from,
+        to: _request.to,
+        provider: description,
+        inputAddress: inputAddress,
+        refundAddress: refundAddress,
+        extraId: extraId,
+        createdAt: DateTime.now(),
+        amount: amount,
+        state: TradeState.created,
+        payoutAddress: payoutAddress);
+  }
+
+  @override
+  Future<Trade> findTradeById({required String id}) async {
+    final findTradeByIdPath = transactionsPath + '/$id';
+    final uri = Uri.https(apiBaseUrl, findTradeByIdPath);
+    final response = await get(uri);
+
+    if (response.statusCode == 404) {
+      throw TradeNotFoundException(id, provider: description);
+    }
+
+    if (response.statusCode == 400) {
+      final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+      final errors = responseJSON['errors'] as Map<String, String>;
+      final errorMessage = errors.values.join(', ');
+
+      throw TradeNotFoundException(id, provider: description, description: errorMessage);
+    }
+
+    if (response.statusCode != 200) {
+      throw Exception('Unexpected http status: ${response.statusCode}');
+    }
+
+    final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+    final coinFrom = responseJSON['coinFrom']['coinCode'] as String;
+    final from = CryptoCurrency.fromString(coinFrom);
+    final coinTo = responseJSON['coinTo']['coinCode'] as String;
+    final to = CryptoCurrency.fromString(coinTo);
+    final inputAddress = responseJSON['depositAddress'] as String;
+    final amount = responseJSON['amount'].toString();
+    final status = responseJSON['status'] as String;
+    final state = TradeState.deserialize(raw: _prepareStatus(status));
+    final extraId = responseJSON['depositExtraId'] as String?;
+    final outputTransaction = responseJSON['hashOut']['hash'] as String?;
+    final payoutAddress = responseJSON['withdrawalAddress'] as String;
+
+    return Trade(
+        id: id,
+        from: from,
+        to: to,
+        provider: description,
+        inputAddress: inputAddress,
+        amount: amount,
+        state: state,
+        extraId: extraId,
+        outputTransaction: outputTransaction,
+        payoutAddress: payoutAddress);
+  }
+
+  @override
+  Future<double> fetchRate(
+      {required CryptoCurrency from,
+      required CryptoCurrency to,
+      required double amount,
+      required bool isFixedRateMode,
+      required bool isReceiveAmount}) async {
+    try {
+      if (amount == 0) {
+        return 0.0;
+      }
+
+      final params = <String, String>{
+        'coinFrom': _normalizeCurrency(from),
+        'coinTo': _normalizeCurrency(to),
+        'networkFrom': _networkFor(from),
+        'networkTo': _networkFor(to),
+        'rateType': getRateType(isFixedRateMode),
+      };
+
+      if (isReceiveAmount) {
+        params['withdrawalAmount'] = amount.toString();
+      } else {
+        params['amount'] = amount.toString();
+      }
+
+      final uri = Uri.https(apiBaseUrl, ratePath, params);
+      final response = await get(uri);
+      final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+
+      if (response.statusCode != 200) {
+        final message = responseJSON['message'] as String?;
+        throw Exception(message);
+      }
+
+      final rate = responseJSON['rate'] as double;
+
+      return rate;
+    } catch (e) {
+      print(e.toString());
+      return 0.0;
+    }
+  }
+
+  String _prepareStatus(String status) {
+    switch (status) {
+      case 'deleted':
+      case 'error':
+        return 'overdue';
+      default:
+        return status;
+    }
+  }
+
+  String _networkFor(CryptoCurrency currency) {
+    switch (currency) {
+      case CryptoCurrency.arb:
+        return 'ARBITRUM';
+      default:
+        return currency.tag != null ? _normalizeTag(currency.tag!) : currency.title;
+    }
+  }
+
+  String _normalizeCurrency(CryptoCurrency currency) {
+    switch (currency) {
+      case CryptoCurrency.nano:
+        return 'XNO';
+      case CryptoCurrency.bttc:
+        return 'BTT';
+      case CryptoCurrency.zec:
+        return 'ZEC';
+      default:
+        return currency.title;
+    }
+  }
+
+  String _normalizeTag(String tag) {
+    switch (tag) {
+      case 'POLY':
+        return 'Polygon';
+      default:
+        return tag;
+    }
+  }
+}

lib/exchange/exolix/exolix_request.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/foundation.dart';
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cake_wallet/exchange/trade_request.dart';
+
+class ExolixRequest extends TradeRequest {
+  ExolixRequest(
+      {required this.from,
+      required this.to,
+      required this.address,
+      required this.fromAmount,
+      required this.toAmount,
+      required this.refundAddress});
+
+  CryptoCurrency from;
+  CryptoCurrency to;
+  String address;
+  String fromAmount;
+  String toAmount;
+  String refundAddress;
+}

lib/exchange/trade_state.dart

@@ -35,6 +35,15 @@ class TradeState extends EnumerableItem<String> with Serializable<String> {
   static const completed = TradeState(raw: 'completed', title: 'Completed');
   static const settling = TradeState(raw: 'settling', title: 'Settlement in progress');
   static const settled = TradeState(raw: 'settled', title: 'Settlement completed');
+  static const wait = TradeState(raw: 'wait', title: 'Waiting');
+  static const overdue = TradeState(raw: 'overdue', title: 'Overdue');
+  static const refund = TradeState(raw: 'refund', title: 'Refund');
+  static const refunded = TradeState(raw: 'refunded', title: 'Refunded');
+  static const confirmation = TradeState(raw: 'confirmation', title: 'Confirmation');
+  static const confirmed = TradeState(raw: 'confirmed', title: 'Confirmed');
+  static const exchanging = TradeState(raw: 'exchanging', title: 'Exchanging');
+  static const sending = TradeState(raw: 'sending', title: 'Sending');
+  static const success = TradeState(raw: 'success', title: 'Success');
   static TradeState deserialize({required String raw}) {
     switch (raw) {
       case 'pending':
@@ -77,6 +86,24 @@ class TradeState extends EnumerableItem<String> with Serializable<String> {
         return failed;
       case 'completed':
         return completed;
+      case 'wait':
+        return wait;
+      case 'overdue':
+        return overdue;
+      case 'refund':
+        return refund;
+      case 'refunded':
+        return refunded;
+      case 'confirmation':
+        return confirmation;
+      case 'confirmed':
+        return confirmed;
+      case 'exchanging':
+        return exchanging;
+      case 'sending':
+        return sending;
+      case 'success':
+        return success;
       default:
         throw Exception('Unexpected token: $raw in TradeState deserialize');
     }

lib/main.dart

@@ -39,7 +39,6 @@ import 'package:cake_wallet/src/screens/root/root.dart';
 import 'package:uni_links/uni_links.dart';
 import 'package:cw_core/unspent_coins_info.dart';
 import 'package:cake_wallet/monero/monero.dart';
-import 'package:cake_wallet/wallet_type_utils.dart';
 import 'package:cw_core/cake_hive.dart';
 
 final navigatorKey = GlobalKey<NavigatorState>();
@@ -98,6 +97,10 @@ Future<void> initializeAppConfigs() async {
     CakeHive.registerAdapter(WalletInfoAdapter());
   }
 
+  if (!Hive.isAdapterRegistered(DERIVATION_TYPE_TYPE_ID)) {
+    CakeHive.registerAdapter(DerivationTypeAdapter());
+  }
+  
   if (!CakeHive.isAdapterRegistered(WALLET_TYPE_TYPE_ID)) {
     CakeHive.registerAdapter(WalletTypeAdapter());
   }
@@ -129,6 +132,7 @@ Future<void> initializeAppConfigs() async {
   final ordersBoxKey = await getEncryptionKey(secureStorage: secureStorage, forKey: Order.boxKey);
   final contacts = await CakeHive.openBox<Contact>(Contact.boxName);
   final nodes = await CakeHive.openBox<Node>(Node.boxName);
+  final powNodes = await CakeHive.openBox<Node>(Node.boxName + "pow");// must be different from Node.boxName
   final transactionDescriptions = await CakeHive.openBox<TransactionDescription>(
       TransactionDescription.boxName,
       encryptionKey: transactionDescriptionsBoxKey);
@@ -143,6 +147,7 @@ Future<void> initializeAppConfigs() async {
   await initialSetup(
       sharedPreferences: await SharedPreferences.getInstance(),
       nodes: nodes,
+      powNodes: powNodes,
       walletInfoSource: walletInfoSource,
       contactSource: contacts,
       tradesSource: trades,
@@ -154,12 +159,13 @@ Future<void> initializeAppConfigs() async {
       transactionDescriptions: transactionDescriptions,
       secureStorage: secureStorage,
       anonpayInvoiceInfo: anonpayInvoiceInfo,
-      initialMigrationVersion: 21);
+      initialMigrationVersion: 22);
   }
 
 Future<void> initialSetup(
     {required SharedPreferences sharedPreferences,
     required Box<Node> nodes,
+    required Box<Node> powNodes,
     required Box<WalletInfo> walletInfoSource,
     required Box<Contact> contactSource,
     required Box<Trade> tradesSource,
@@ -180,10 +186,12 @@ Future<void> initialSetup(
       walletInfoSource: walletInfoSource,
       contactSource: contactSource,
       tradeSource: tradesSource,
-      nodes: nodes);
+      nodes: nodes,
+      powNodes: powNodes);
   await setup(
       walletInfoSource: walletInfoSource,
       nodeSource: nodes,
+      powNodeSource: powNodes,
       contactSource: contactSource,
       tradesSource: tradesSource,
       templates: templates,
@@ -308,26 +316,26 @@ class _Home extends StatefulWidget {
 }
 
 class _HomeState extends State<_Home> {
- @override
+  @override
   void didChangeDependencies() {
-    if(!ResponsiveLayoutUtil.instance.isMobile){
-    _setOrientation(context);
+    if (!ResponsiveLayoutUtil.instance.isMobile) {
+      _setOrientation(context);
     }
     super.didChangeDependencies();
   }
 
-
- void _setOrientation(BuildContext context){
+  void _setOrientation(BuildContext context) {
     final orientation = MediaQuery.of(context).orientation;
     final width = MediaQuery.of(context).size.width;
     final height = MediaQuery.of(context).size.height;
     if (orientation == Orientation.portrait && width < height) {
-      SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp, DeviceOrientation.portraitDown]);
+      SystemChrome.setPreferredOrientations(
+          [DeviceOrientation.portraitUp, DeviceOrientation.portraitDown]);
     } else if (orientation == Orientation.landscape && width > height) {
-      SystemChrome.setPreferredOrientations([DeviceOrientation.landscapeLeft, DeviceOrientation.landscapeRight]);
+      SystemChrome.setPreferredOrientations(
+          [DeviceOrientation.landscapeLeft, DeviceOrientation.landscapeRight]);
     }
-
- }
+  }
 
   @override
   Widget build(BuildContext context) {

lib/mastodon/mastodon_api.dart

@@ -0,0 +1,63 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import 'package:cake_wallet/mastodon/mastodon_user.dart';
+
+class MastodonAPI {
+  static const httpsScheme = 'https';
+  static const userPath = '/api/v1/accounts/lookup';
+  static const statusesPath = '/api/v1/accounts/:id/statuses';
+
+  static Future<MastodonUser?> lookupUserByUserName(
+      {required String userName, required String apiHost}) async {
+    try {
+      final queryParams = {'acct': userName};
+
+      final uri = Uri(
+        scheme: httpsScheme,
+        host: apiHost,
+        path: userPath,
+        queryParameters: queryParams,
+      );
+
+      final response = await http.get(uri);
+
+      if (response.statusCode != 200) return null;
+
+      final Map<String, dynamic> responseJSON = json.decode(response.body) as Map<String, dynamic>;
+
+      return MastodonUser.fromJson(responseJSON);
+    } catch (e) {
+      print('Error in lookupUserByUserName: $e');
+      return null;
+    }
+  }
+
+  static Future<List<PinnedPost>> getPinnedPosts({
+    required String userId,
+    required String apiHost,
+  }) async {
+    try {
+      final queryParams = {'pinned': 'true'};
+
+      final uri = Uri(
+        scheme: httpsScheme,
+        host: apiHost,
+        path: statusesPath.replaceAll(':id', userId),
+        queryParameters: queryParams,
+      );
+
+      final response = await http.get(uri);
+
+      if (response.statusCode != 200) {
+        throw Exception('Unexpected HTTP status: ${response.statusCode}');
+      }
+
+      final List<dynamic> responseJSON = json.decode(response.body) as List<dynamic>;
+
+      return responseJSON.map((json) => PinnedPost.fromJson(json as Map<String, dynamic>)).toList();
+    } catch (e) {
+      print('Error in getPinnedPosts: $e');
+      throw e;
+    }
+  }
+}

lib/mastodon/mastodon_user.dart

@@ -0,0 +1,36 @@
+class MastodonUser {
+  String id;
+  String username;
+  String acct;
+  String note;
+
+  MastodonUser({
+    required this.id,
+    required this.username,
+    required this.acct,
+    required this.note,
+  });
+
+  factory MastodonUser.fromJson(Map<String, dynamic> json) {
+    return MastodonUser(
+      id: json['id'] as String,
+      username: json['username'] as String,
+      acct: json['acct'] as String,
+      note: json['note'] as String,
+    );
+  }
+}
+
+class PinnedPost {
+  final String id;
+  final String content;
+
+  PinnedPost({required this.id, required this.content});
+
+  factory PinnedPost.fromJson(Map<String, dynamic> json) {
+    return PinnedPost(
+      id: json['id'] as String,
+      content: json['content'] as String,
+    );
+  }
+}

lib/nano/cw_nano.dart

@@ -0,0 +1,499 @@
+part of 'nano.dart';
+
+class CWNanoAccountList extends NanoAccountList {
+  CWNanoAccountList(this._wallet);
+  final Object _wallet;
+
+  @override
+  @computed
+  ObservableList<NanoAccount> get accounts {
+    final nanoWallet = _wallet as NanoWallet;
+    final accounts = nanoWallet.walletAddresses.accountList.accounts
+        .map((acc) => NanoAccount(id: acc.id, label: acc.label, balance: acc.balance))
+        .toList();
+    return ObservableList<NanoAccount>.of(accounts);
+  }
+
+  @override
+  void update(Object wallet) {
+    final nanoWallet = wallet as NanoWallet;
+    nanoWallet.walletAddresses.accountList.update(null);
+  }
+
+  @override
+  void refresh(Object wallet) {
+    final nanoWallet = wallet as NanoWallet;
+    nanoWallet.walletAddresses.accountList.refresh();
+  }
+
+  @override
+  Future<List<NanoAccount>> getAll(Object wallet) async {
+    final nanoWallet = wallet as NanoWallet;
+    return (await nanoWallet.walletAddresses.accountList.getAll())
+        .map((acc) => NanoAccount(id: acc.id, label: acc.label, balance: acc.balance))
+        .toList();
+  }
+
+  @override
+  Future<void> addAccount(Object wallet, {required String label}) async {
+    final nanoWallet = wallet as NanoWallet;
+    await nanoWallet.walletAddresses.accountList.addAccount(label: label);
+  }
+
+  @override
+  Future<void> setLabelAccount(Object wallet,
+      {required int accountIndex, required String label}) async {
+    final nanoWallet = wallet as NanoWallet;
+    await nanoWallet.walletAddresses.accountList
+        .setLabelAccount(accountIndex: accountIndex, label: label);
+  }
+}
+
+class CWNano extends Nano {
+  @override
+  NanoAccountList getAccountList(Object wallet) {
+    return CWNanoAccountList(wallet);
+  }
+
+  @override
+  Account getCurrentAccount(Object wallet) {
+    final nanoWallet = wallet as NanoWallet;
+    final acc = nanoWallet.walletAddresses.account;
+    return Account(id: acc!.id, label: acc.label, balance: acc.balance);
+  }
+
+  @override
+  void setCurrentAccount(Object wallet, int id, String label, String? balance) {
+    final nanoWallet = wallet as NanoWallet;
+    nanoWallet.walletAddresses.account = NanoAccount(id: id, label: label, balance: balance);
+    nanoWallet.regenerateAddress();
+  }
+
+  @override
+  List<String> getNanoWordList(String language) {
+    return NanoMnemomics.WORDLIST;
+  }
+
+  @override
+  WalletService createNanoWalletService(Box<WalletInfo> walletInfoSource) {
+    return NanoWalletService(walletInfoSource);
+  }
+
+  @override
+  Map<String, String> getKeys(Object wallet) {
+    final nanoWallet = wallet as NanoWallet;
+    final keys = nanoWallet.keys;
+    return <String, String>{
+      "seedKey": keys.seedKey,
+    };
+  }
+
+  @override
+  WalletCredentials createNanoNewWalletCredentials({
+    required String name,
+    String? password,
+  }) =>
+      NanoNewWalletCredentials(
+        name: name,
+        password: password,
+      );
+
+  @override
+  WalletCredentials createNanoRestoreWalletFromSeedCredentials({
+    required String name,
+    required String password,
+    required String mnemonic,
+    DerivationType? derivationType,
+  }) {
+    if (derivationType == null) {
+      // figure out the derivation type as best we can, otherwise set it to "unknown"
+      if (mnemonic.split(" ").length == 12) {
+        derivationType = DerivationType.bip39;
+      } else {
+        derivationType = DerivationType.unknown;
+      }
+    }
+
+    return NanoRestoreWalletFromSeedCredentials(
+      name: name,
+      password: password,
+      mnemonic: mnemonic,
+      derivationType: derivationType,
+    );
+  }
+
+  @override
+  WalletCredentials createNanoRestoreWalletFromKeysCredentials({
+    required String name,
+    required String password,
+    required String seedKey,
+    DerivationType? derivationType,
+  }) {
+    if (derivationType == null) {
+      // figure out the derivation type as best we can, otherwise set it to "unknown"
+      if (seedKey.length == 64) {
+        derivationType = DerivationType.nano;
+      } else {
+        derivationType = DerivationType.unknown;
+      }
+    }
+
+    return NanoRestoreWalletFromKeysCredentials(
+      name: name,
+      password: password,
+      seedKey: seedKey,
+      derivationType: derivationType,
+    );
+  }
+
+  @override
+  Object createNanoTransactionCredentials(List<Output> outputs) {
+    return NanoTransactionCredentials(
+      outputs
+          .map((out) => OutputInfo(
+                fiatAmount: out.fiatAmount,
+                cryptoAmount: out.cryptoAmount,
+                address: out.address,
+                note: out.note,
+                sendAll: out.sendAll,
+                extractedAddress: out.extractedAddress,
+                isParsedAddress: out.isParsedAddress,
+                formattedCryptoAmount: out.formattedCryptoAmount,
+              ))
+          .toList(),
+    );
+  }
+
+  @override
+  Future<void> changeRep(Object wallet, String address) async {
+    return (wallet as NanoWallet).changeRep(address);
+  }
+
+  @override
+  Future<void> updateTransactions(Object wallet) async {
+    return (wallet as NanoWallet).updateTransactions();
+  }
+
+  @override
+  BigInt getTransactionAmountRaw(TransactionInfo transactionInfo) {
+    return (transactionInfo as NanoTransactionInfo).amountRaw;
+  }
+}
+
+class CWNanoUtil extends NanoUtil {
+  // standard:
+  @override
+  String seedToPrivate(String seed, int index) {
+    return ND.NanoKeys.seedToPrivate(seed, index);
+  }
+
+  @override
+  String seedToAddress(String seed, int index) {
+    return ND.NanoAccounts.createAccount(
+        ND.NanoAccountType.NANO, privateKeyToPublic(seedToPrivate(seed, index)));
+  }
+
+  @override
+  String seedToMnemonic(String seed) {
+    return NanoMnemomics.seedToMnemonic(seed).join(" ");
+  }
+
+  @override
+  Future<String> mnemonicToSeed(String mnemonic) async {
+    return NanoMnemomics.mnemonicListToSeed(mnemonic.split(' '));
+  }
+
+  @override
+  String privateKeyToPublic(String privateKey) {
+    // return NanoHelpers.byteToHex(Ed25519Blake2b.getPubkey(NanoHelpers.hexToBytes(privateKey))!);
+    return ND.NanoKeys.createPublicKey(privateKey);
+  }
+
+  @override
+  String addressToPublicKey(String publicAddress) {
+    return ND.NanoAccounts.extractPublicKey(publicAddress);
+  }
+
+  // universal:
+  @override
+  String privateKeyToAddress(String privateKey) {
+    return ND.NanoAccounts.createAccount(ND.NanoAccountType.NANO, privateKeyToPublic(privateKey));
+  }
+
+  @override
+  String publicKeyToAddress(String publicKey) {
+    return ND.NanoAccounts.createAccount(ND.NanoAccountType.NANO, publicKey);
+  }
+
+  // standard + hd:
+  @override
+  bool isValidSeed(String seed) {
+    // Ensure seed is 64 or 128 characters long
+    if (seed.length != 64 && seed.length != 128) {
+      return false;
+    }
+    // Ensure seed only contains hex characters, 0-9;A-F
+    return ND.NanoHelpers.isHexString(seed);
+  }
+
+  // hd:
+  @override
+  Future<String> hdMnemonicListToSeed(List<String> words) async {
+    // if (words.length != 24) {
+    //   throw Exception('Expected a 24-word list, got a ${words.length} list');
+    // }
+    final Uint8List salt = Uint8List.fromList(utf8.encode('mnemonic'));
+    final Pbkdf2 hasher = Pbkdf2(iterations: 2048);
+    final String seed = await hasher.sha512(words.join(' '), salt);
+    return seed;
+  }
+
+  @override
+  Future<String> hdSeedToPrivate(String seed, int index) async {
+    List<int> seedBytes = hex.decode(seed);
+    KeyData data = await ED25519_HD_KEY.derivePath("m/44'/165'/$index'", seedBytes);
+    return hex.encode(data.key);
+  }
+
+  @override
+  Future<String> hdSeedToAddress(String seed, int index) async {
+    return ND.NanoAccounts.createAccount(
+        ND.NanoAccountType.NANO, privateKeyToPublic(await hdSeedToPrivate(seed, index)));
+  }
+
+  @override
+  Future<String> uniSeedToAddress(String seed, int index, String type) {
+    if (type == "standard") {
+      return Future<String>.value(seedToAddress(seed, index));
+    } else if (type == "hd") {
+      return hdSeedToAddress(seed, index);
+    } else {
+      throw Exception('Unknown seed type');
+    }
+  }
+
+  @override
+  Future<String> uniSeedToPrivate(String seed, int index, String type) {
+    if (type == "standard") {
+      return Future<String>.value(seedToPrivate(seed, index));
+    } else if (type == "hd") {
+      return hdSeedToPrivate(seed, index);
+    } else {
+      throw Exception('Unknown seed type');
+    }
+  }
+
+  @override
+  bool isValidBip39Seed(String seed) {
+    // Ensure seed is 128 characters long
+    if (seed.length != 128) {
+      return false;
+    }
+    // Ensure seed only contains hex characters, 0-9;A-F
+    return ND.NanoHelpers.isHexString(seed);
+  }
+
+  // number util:
+
+  static const int maxDecimalDigits = 6; // Max digits after decimal
+  BigInt rawPerNano = BigInt.parse("1000000000000000000000000000000");
+  BigInt rawPerNyano = BigInt.parse("1000000000000000000000000");
+  BigInt rawPerBanano = BigInt.parse("100000000000000000000000000000");
+  BigInt rawPerXMR = BigInt.parse("1000000000000");
+  BigInt convertXMRtoNano = BigInt.parse("1000000000000000000");
+  // static BigInt convertXMRtoNano = BigInt.parse("1000000000000000000000000000");
+
+  /// Convert raw to ban and return as BigDecimal
+  ///
+  /// @param raw 100000000000000000000000000000
+  /// @return Decimal value 1.000000000000000000000000000000
+  ///
+  @override
+  Decimal getRawAsDecimal(String? raw, BigInt? rawPerCur) {
+    rawPerCur ??= rawPerNano;
+    final Decimal amount = Decimal.parse(raw.toString());
+    final Decimal result = (amount / Decimal.parse(rawPerCur.toString())).toDecimal();
+    return result;
+  }
+
+  @override
+  String truncateDecimal(Decimal input, {int digits = maxDecimalDigits}) {
+    Decimal bigger = input.shift(digits);
+    bigger = bigger.floor(); // chop off the decimal: 1.059 -> 1.05
+    bigger = bigger.shift(-digits);
+    return bigger.toString();
+  }
+
+  /// Return raw as a NANO amount.
+  ///
+  /// @param raw 100000000000000000000000000000
+  /// @returns 1
+  ///
+  @override
+  String getRawAsUsableString(String? raw, BigInt rawPerCur) {
+    final String res =
+        truncateDecimal(getRawAsDecimal(raw, rawPerCur), digits: maxDecimalDigits + 9);
+
+    if (raw == null || raw == "0" || raw == "00000000000000000000000000000000") {
+      return "0";
+    }
+
+    if (!res.contains(".")) {
+      return res;
+    }
+
+    final String numAmount = res.split(".")[0];
+    String decAmount = res.split(".")[1];
+
+    // truncate:
+    if (decAmount.length > maxDecimalDigits) {
+      decAmount = decAmount.substring(0, maxDecimalDigits);
+      // remove trailing zeros:
+      decAmount = decAmount.replaceAllMapped(RegExp(r'0+$'), (Match match) => '');
+      if (decAmount.isEmpty) {
+        return numAmount;
+      }
+    }
+
+    return "$numAmount.$decAmount";
+  }
+
+  @override
+  String getRawAccuracy(String? raw, BigInt rawPerCur) {
+    final String rawString = getRawAsUsableString(raw, rawPerCur);
+    final String rawDecimalString = getRawAsDecimal(raw, rawPerCur).toString();
+
+    if (raw == null || raw.isEmpty || raw == "0") {
+      return "";
+    }
+
+    if (rawString != rawDecimalString) {
+      return "~";
+    }
+    return "";
+  }
+
+  /// Return readable string amount as raw string
+  /// @param amount 1.01
+  /// @returns  101000000000000000000000000000
+  ///
+  @override
+  String getAmountAsRaw(String amount, BigInt rawPerCur) {
+    final Decimal asDecimal = Decimal.parse(amount);
+    final Decimal rawDecimal = Decimal.parse(rawPerCur.toString());
+    return (asDecimal * rawDecimal).toString();
+  }
+
+  @override
+  Future<AccountInfoResponse?> getInfoFromSeedOrMnemonic(
+    DerivationType derivationType, {
+    String? seedKey,
+    String? mnemonic,
+    required Node node,
+  }) async {
+    NanoClient nanoClient = NanoClient();
+    nanoClient.connect(node);
+    late String publicAddress;
+
+    if (seedKey != null) {
+      if (derivationType == DerivationType.bip39) {
+        publicAddress = await hdSeedToAddress(seedKey, 0);
+      } else if (derivationType == DerivationType.nano) {
+        publicAddress = await seedToAddress(seedKey, 0);
+      }
+    }
+
+    if (derivationType == DerivationType.bip39) {
+      if (mnemonic != null) {
+        seedKey = await hdMnemonicListToSeed(mnemonic.split(' '));
+        publicAddress = await hdSeedToAddress(seedKey, 0);
+      }
+    }
+
+    if (derivationType == DerivationType.nano) {
+      if (mnemonic != null) {
+        seedKey = await mnemonicToSeed(mnemonic);
+        publicAddress = await seedToAddress(seedKey, 0);
+      }
+    }
+
+    AccountInfoResponse? accountInfo = await nanoClient.getAccountInfo(publicAddress);
+    if (accountInfo == null) {
+      accountInfo = AccountInfoResponse(frontier: "", balance: "0", representative: "", confirmationHeight: 0);
+    }
+    accountInfo.address = publicAddress;
+    return accountInfo;
+  }
+
+  @override
+  Future<List<DerivationType>> compareDerivationMethods({
+    String? mnemonic,
+    String? privateKey,
+    required Node node,
+  }) async {
+    String? seedKey = privateKey;
+
+    if (mnemonic?.split(' ').length == 12) {
+      return [DerivationType.bip39];
+    }
+    if (seedKey?.length == 128) {
+      return [DerivationType.bip39];
+    } else if (seedKey?.length == 64) {
+      return [DerivationType.nano];
+    }
+
+    late String publicAddressStandard;
+    late String publicAddressBip39;
+
+    try {
+      NanoClient nanoClient = NanoClient();
+      nanoClient.connect(node);
+
+      if (mnemonic != null) {
+        seedKey = await hdMnemonicListToSeed(mnemonic.split(' '));
+        publicAddressBip39 = await hdSeedToAddress(seedKey, 0);
+
+        seedKey = await mnemonicToSeed(mnemonic);
+        publicAddressStandard = await seedToAddress(seedKey, 0);
+      } else if (seedKey != null) {
+        try {
+          publicAddressBip39 = await hdSeedToAddress(seedKey, 0);
+        } catch (e) {
+          return [DerivationType.nano];
+        }
+        try {
+          publicAddressStandard = await seedToAddress(seedKey, 0);
+        } catch (e) {
+          return [DerivationType.bip39];
+        }
+      }
+
+      // check if account has a history:
+      AccountInfoResponse? bip39Info;
+      AccountInfoResponse? standardInfo;
+
+      try {
+        bip39Info = await nanoClient.getAccountInfo(publicAddressBip39);
+      } catch (e) {
+        bip39Info = null;
+      }
+      try {
+        standardInfo = await nanoClient.getAccountInfo(publicAddressStandard);
+      } catch (e) {
+        standardInfo = null;
+      }
+
+      // one of these is *probably* null:
+      if (bip39Info == null && standardInfo != null) {
+        return [DerivationType.nano];
+      } else if (standardInfo == null && bip39Info != null) {
+        return [DerivationType.bip39];
+      }
+
+      // we don't know for sure:
+      return [DerivationType.nano, DerivationType.bip39];
+    } catch (e) {
+      return [DerivationType.unknown];
+    }
+  }
+}

lib/reactions/on_current_node_change.dart

@@ -13,4 +13,11 @@ void startOnCurrentNodeChangeReaction(AppStore appStore) {
       print(e.toString());
     }
   });
+  appStore.settingsStore.powNodes.observe((change) async {
+    try {
+      await appStore.wallet!.connectToPowNode(node: change.newValue!);
+    } catch (e) {
+      print(e.toString());
+    }
+  });
 }

lib/reactions/on_current_wallet_change.dart

@@ -58,16 +58,23 @@ void startCurrentWalletChangeReaction(
       }
 
       final node = settingsStore.getCurrentNode(wallet.type);
+
       startWalletSyncStatusChangeReaction(wallet, fiatConversionStore);
       startCheckConnectionReaction(wallet, settingsStore);
       await getIt.get<SharedPreferences>().setString(PreferencesKey.currentWalletName, wallet.name);
       await getIt
           .get<SharedPreferences>()
           .setInt(PreferencesKey.currentWalletType, serializeToInt(wallet.type));
+
       if (wallet.type == WalletType.monero) {
         _setAutoGenerateSubaddressStatus(wallet, settingsStore);
       }
+
       await wallet.connectToNode(node: node);
+      if (wallet.type == WalletType.nano || wallet.type == WalletType.banano) {
+        final powNode = settingsStore.getCurrentPowNode(wallet.type);
+        await wallet.connectToPowNode(node: powNode);
+      }
 
       if (wallet.type == WalletType.haven) {
         await updateHavenRate(fiatConversionStore);
@@ -101,7 +108,7 @@ void startCurrentWalletChangeReaction(
 
       if (wallet.type == WalletType.ethereum) {
         final currencies =
-                ethereum!.getERC20Currencies(appStore.wallet!).where((element) => element.enabled);
+            ethereum!.getERC20Currencies(appStore.wallet!).where((element) => element.enabled);
 
         for (final currency in currencies) {
           () async {

lib/router.dart

@@ -13,11 +13,15 @@ import 'package:cake_wallet/src/screens/buy/webview_page.dart';
 import 'package:cake_wallet/src/screens/dashboard/edit_token_page.dart';
 import 'package:cake_wallet/src/screens/dashboard/home_settings_page.dart';
 import 'package:cake_wallet/src/screens/qr/scan_screen.dart';
+import 'package:cake_wallet/src/screens/nano/nano_change_rep_page.dart';
+import 'package:cake_wallet/src/screens/nano_accounts/nano_account_edit_or_create_page.dart';
+import 'package:cake_wallet/src/screens/nodes/pow_node_create_or_edit_page.dart';
 import 'package:cake_wallet/src/screens/restore/sweeping_wallet_page.dart';
 import 'package:cake_wallet/src/screens/receive/anonpay_invoice_page.dart';
 import 'package:cake_wallet/src/screens/receive/anonpay_receive_page.dart';
 import 'package:cake_wallet/src/screens/dashboard/desktop_widgets/desktop_dashboard_actions.dart';
 import 'package:cake_wallet/src/screens/dashboard/widgets/transactions_page.dart';
+import 'package:cake_wallet/src/screens/restore/wallet_restore_choose_derivation.dart';
 import 'package:cake_wallet/src/screens/settings/desktop_settings/desktop_settings_page.dart';
 import 'package:cake_wallet/src/screens/settings/display_settings_page.dart';
 import 'package:cake_wallet/src/screens/settings/manage_nodes_page.dart';
@@ -52,6 +56,8 @@ import 'package:cake_wallet/view_model/monero_account_list/account_list_item.dar
 import 'package:cake_wallet/view_model/node_list/node_create_or_edit_view_model.dart';
 import 'package:cake_wallet/view_model/advanced_privacy_settings_view_model.dart';
 import 'package:cake_wallet/wallet_type_utils.dart';
+import 'package:cw_core/nano_account.dart';
+import 'package:cw_core/wallet_info.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/routes.dart';
@@ -112,36 +118,34 @@ Route<dynamic> createRoute(RouteSettings settings) {
 
     case Routes.newWalletFromWelcome:
       return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<SetupPinCodePage>(
-              param1: (PinCodeState<PinCodeWidget> context, dynamic _) {
-	      	  if (availableWalletTypes.length == 1) {
-              Navigator.of(context.context).pushNamed(Routes.newWallet, arguments: availableWalletTypes.first);
-      		  } else {
-      		    Navigator.of(context.context).pushNamed(Routes.newWalletType);
-      		  }
-		  }),
+          builder: (_) =>
+              getIt.get<SetupPinCodePage>(param1: (PinCodeState<PinCodeWidget> context, dynamic _) {
+                if (availableWalletTypes.length == 1) {
+                  Navigator.of(context.context)
+                      .pushNamed(Routes.newWallet, arguments: availableWalletTypes.first);
+                } else {
+                  Navigator.of(context.context).pushNamed(Routes.newWalletType);
+                }
+              }),
           fullscreenDialog: true);
 
     case Routes.newWalletType:
       return CupertinoPageRoute<void>(
           builder: (_) => getIt.get<NewWalletTypePage>(
               param1: (BuildContext context, WalletType type) =>
-                  Navigator.of(context)
-                      .pushNamed(Routes.newWallet, arguments: type)));
+                  Navigator.of(context).pushNamed(Routes.newWallet, arguments: type)));
 
     case Routes.newWallet:
       final type = settings.arguments as WalletType;
       final walletNewVM = getIt.get<WalletNewVM>(param1: type);
 
-      return CupertinoPageRoute<void>(
-          builder: (_) => NewWalletPage(walletNewVM));
+      return CupertinoPageRoute<void>(builder: (_) => NewWalletPage(walletNewVM));
 
     case Routes.setupPin:
       Function(PinCodeState<PinCodeWidget>, String)? callback;
 
       if (settings.arguments is Function(PinCodeState<PinCodeWidget>, String)) {
-        callback =
-            settings.arguments as Function(PinCodeState<PinCodeWidget>, String);
+        callback = settings.arguments as Function(PinCodeState<PinCodeWidget>, String);
       }
 
       return CupertinoPageRoute<void>(
@@ -151,8 +155,7 @@ Route<dynamic> createRoute(RouteSettings settings) {
       return CupertinoPageRoute<void>(
           builder: (_) => getIt.get<NewWalletTypePage>(
               param1: (BuildContext context, WalletType type) =>
-                  Navigator.of(context)
-                      .pushNamed(Routes.restoreWallet, arguments: type),
+                  Navigator.of(context).pushNamed(Routes.restoreWallet, arguments: type),
               param2: false));
 
     case Routes.restoreOptions:
@@ -167,66 +170,62 @@ Route<dynamic> createRoute(RouteSettings settings) {
       if (isNewInstall) {
         return CupertinoPageRoute<void>(
             builder: (_) => getIt.get<SetupPinCodePage>(
-                param1: (PinCodeState<PinCodeWidget> context, dynamic _) {
+                    param1: (PinCodeState<PinCodeWidget> context, dynamic _) {
                   if (isSingleCoin) {
                     return Navigator.of(context.context)
                         .pushNamed(Routes.restoreWallet, arguments: availableWalletTypes.first);
                   }
 
-                  return Navigator.pushNamed(
-                        context.context, Routes.restoreWalletType);
+                  return Navigator.pushNamed(context.context, Routes.restoreWalletType);
                 }),
             fullscreenDialog: true);
       } else if (isSingleCoin) {
         return MaterialPageRoute<void>(
-            builder: (_) => getIt.get<WalletRestorePage>(
-                param1: availableWalletTypes.first
-            ));
+            builder: (_) => getIt.get<WalletRestorePage>(param1: availableWalletTypes.first));
       } else {
         return CupertinoPageRoute<void>(
             builder: (_) => getIt.get<NewWalletTypePage>(
                 param1: (BuildContext context, WalletType type) =>
-                    Navigator.of(context)
-                        .pushNamed(Routes.restoreWallet, arguments: type),
+                    Navigator.of(context).pushNamed(Routes.restoreWallet, arguments: type),
                 param2: false));
       }
 
     case Routes.seed:
       return MaterialPageRoute<void>(
           fullscreenDialog: true,
-          builder: (_) =>
-              getIt.get<WalletSeedPage>(param1: settings.arguments as bool));
+          builder: (_) => getIt.get<WalletSeedPage>(param1: settings.arguments as bool));
 
     case Routes.restoreWallet:
       return MaterialPageRoute<void>(
-          builder: (_) => getIt.get<WalletRestorePage>(
-              param1: settings.arguments as WalletType));
+          builder: (_) => getIt.get<WalletRestorePage>(param1: settings.arguments as WalletType));
+
+    case Routes.restoreWalletChooseDerivation:
+      return MaterialPageRoute<void>(
+          builder: (_) => getIt.get<WalletRestoreChooseDerivationPage>(
+              param1: settings.arguments as List<DerivationInfo>));
 
     case Routes.sweepingWalletPage:
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<SweepingWalletPage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<SweepingWalletPage>());
 
     case Routes.dashboard:
       return CupertinoPageRoute<void>(
-          settings: settings,
-          builder: (_) => getIt.get<DashboardPage>());
+          settings: settings, builder: (_) => getIt.get<DashboardPage>());
 
     case Routes.send:
       final initialPaymentRequest = settings.arguments as PaymentRequest?;
 
       return CupertinoPageRoute<void>(
-        fullscreenDialog: true, builder: (_) => getIt.get<SendPage>(
-          param1: initialPaymentRequest,
-        ));
+          fullscreenDialog: true,
+          builder: (_) => getIt.get<SendPage>(
+                param1: initialPaymentRequest,
+              ));
 
     case Routes.sendTemplate:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<SendTemplatePage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<SendTemplatePage>());
 
     case Routes.receive:
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<ReceivePage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<ReceivePage>());
 
     case Routes.addressPage:
       return CupertinoPageRoute<void>(
@@ -235,20 +234,21 @@ Route<dynamic> createRoute(RouteSettings settings) {
     case Routes.transactionDetails:
       return CupertinoPageRoute<void>(
           fullscreenDialog: true,
-          builder: (_) => getIt.get<TransactionDetailsPage>(
-              param1: settings.arguments as TransactionInfo));
+          builder: (_) =>
+              getIt.get<TransactionDetailsPage>(param1: settings.arguments as TransactionInfo));
 
     case Routes.newSubaddress:
       return CupertinoPageRoute<void>(
-          builder: (_) =>
-              getIt.get<AddressEditOrCreatePage>(param1: settings.arguments));
+          builder: (_) => getIt.get<AddressEditOrCreatePage>(param1: settings.arguments));
 
     case Routes.disclaimer:
       return CupertinoPageRoute<void>(builder: (_) => DisclaimerPage());
 
     case Routes.readDisclaimer:
-      return CupertinoPageRoute<void>(
-          builder: (_) => DisclaimerPage(isReadOnly: true));
+      return CupertinoPageRoute<void>(builder: (_) => DisclaimerPage(isReadOnly: true));
+
+    case Routes.changeRep:
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<NanoChangeRepPage>());
 
     case Routes.seedLanguage:
       final args = settings.arguments as List<dynamic>;
@@ -257,8 +257,8 @@ Route<dynamic> createRoute(RouteSettings settings) {
 
       return CupertinoPageRoute<void>(builder: (_) {
         return SeedLanguage(
-            onConfirm: (context, lang) => Navigator.of(context)
-                .popAndPushNamed(redirectRoute, arguments: [type, lang]));
+            onConfirm: (context, lang) =>
+                Navigator.of(context).popAndPushNamed(redirectRoute, arguments: [type, lang]));
       });
 
     case Routes.walletList:
@@ -268,15 +268,13 @@ Route<dynamic> createRoute(RouteSettings settings) {
     case Routes.walletEdit:
       return MaterialPageRoute<void>(
           fullscreenDialog: true,
-          builder: (_) => getIt.get<WalletEditPage>(
-              param1: settings.arguments as List<dynamic>));
+          builder: (_) => getIt.get<WalletEditPage>(param1: settings.arguments as List<dynamic>));
 
     case Routes.auth:
       return MaterialPageRoute<void>(
           fullscreenDialog: true,
           builder: (_) => getIt.get<AuthPage>(
-              param1: settings.arguments as OnAuthenticationFinished,
-              param2: true));
+              param1: settings.arguments as OnAuthenticationFinished, param2: true));
 
     case Routes.totpAuthCodePage:
       final args = settings.arguments as TotpAuthArgumentsModel;
@@ -291,9 +289,9 @@ Route<dynamic> createRoute(RouteSettings settings) {
       return CupertinoPageRoute<void>(
           builder: (context) => WillPopScope(
                 child: getIt.get<AuthPage>(instanceName: 'login'),
-              onWillPop: () async =>
-                  // FIX-ME: Additional check does it works correctly
-                  (await SystemChannels.platform.invokeMethod<bool>('SystemNavigator.pop') ??
+                onWillPop: () async =>
+                    // FIX-ME: Additional check does it works correctly
+                    (await SystemChannels.platform.invokeMethod<bool>('SystemNavigator.pop') ??
                         false),
               ),
           fullscreenDialog: true);
@@ -303,53 +301,54 @@ Route<dynamic> createRoute(RouteSettings settings) {
           fullscreenDialog: true,
           builder: (_) => WillPopScope(
               child: getIt.get<AuthPage>(
-                  param1: settings.arguments as OnAuthenticationFinished,
-                  param2: false),
+                  param1: settings.arguments as OnAuthenticationFinished, param2: false),
               onWillPop: () async => false));
 
     case Routes.connectionSync:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<ConnectionSyncPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<ConnectionSyncPage>());
 
     case Routes.securityBackupPage:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<SecurityBackupPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<SecurityBackupPage>());
 
-     case Routes.privacyPage:
+    case Routes.privacyPage:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<PrivacyPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<PrivacyPage>());
 
-     case Routes.displaySettingsPage:
+    case Routes.displaySettingsPage:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<DisplaySettingsPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<DisplaySettingsPage>());
 
     case Routes.otherSettingsPage:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<OtherSettingsPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<OtherSettingsPage>());
 
     case Routes.newNode:
       final args = settings.arguments as Map<String, dynamic>?;
       return CupertinoPageRoute<void>(
           builder: (_) => getIt.get<NodeCreateOrEditPage>(
-            param1: args?['editingNode'] as Node?,
-            param2: args?['isSelected'] as bool?));
-
+              param1: args?['editingNode'] as Node?, param2: args?['isSelected'] as bool?));
 
+    case Routes.newPowNode:
+      final args = settings.arguments as Map<String, dynamic>?;
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<PowNodeCreateOrEditPage>(
+              param1: args?['editingNode'] as Node?, param2: args?['isSelected'] as bool?));
 
     case Routes.accountCreation:
       return CupertinoPageRoute<String>(
           builder: (_) => getIt.get<MoneroAccountEditOrCreatePage>(
               param1: settings.arguments as AccountListItem?));
 
+    case Routes.nanoAccountCreation:
+      return CupertinoPageRoute<String>(
+          builder: (_) =>
+              getIt.get<NanoAccountEditOrCreatePage>(param1: settings.arguments as NanoAccount?));
+
     case Routes.addressBook:
       return MaterialPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<ContactListPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<ContactListPage>());
 
     case Routes.pickerAddressBook:
       final selectedCurrency = settings.arguments as CryptoCurrency?;
@@ -358,31 +357,26 @@ Route<dynamic> createRoute(RouteSettings settings) {
 
     case Routes.addressBookAddContact:
       return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<ContactPage>(
-              param1: settings.arguments as ContactRecord?));
+          builder: (_) => getIt.get<ContactPage>(param1: settings.arguments as ContactRecord?));
 
     case Routes.showKeys:
       return MaterialPageRoute<void>(
           builder: (_) => getIt.get<WalletKeysPage>(), fullscreenDialog: true);
 
     case Routes.exchangeTrade:
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<ExchangeTradePage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<ExchangeTradePage>());
 
     case Routes.exchangeConfirm:
-      return MaterialPageRoute<void>(
-          builder: (_) => getIt.get<ExchangeConfirmPage>());
+      return MaterialPageRoute<void>(builder: (_) => getIt.get<ExchangeConfirmPage>());
 
     case Routes.tradeDetails:
       return MaterialPageRoute<void>(
           fullscreenDialog: true,
-          builder: (_) =>
-              getIt.get<TradeDetailsPage>(param1: settings.arguments as Trade));
+          builder: (_) => getIt.get<TradeDetailsPage>(param1: settings.arguments as Trade));
 
     case Routes.orderDetails:
       return MaterialPageRoute<void>(
-          builder: (_) =>
-              getIt.get<OrderDetailsPage>(param1: settings.arguments as Order));
+          builder: (_) => getIt.get<OrderDetailsPage>(param1: settings.arguments as Order));
 
     case Routes.buy:
       return MaterialPageRoute<void>(builder: (_) => getIt.get<BuyOptionsPage>());
@@ -391,18 +385,14 @@ Route<dynamic> createRoute(RouteSettings settings) {
       final args = settings.arguments as List;
 
       return MaterialPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) =>
-              getIt.get<BuyWebViewPage>(param1: args));
+          fullscreenDialog: true, builder: (_) => getIt.get<BuyWebViewPage>(param1: args));
 
     case Routes.exchange:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<ExchangePage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<ExchangePage>());
 
     case Routes.exchangeTemplate:
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<ExchangeTemplatePage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<ExchangeTemplatePage>());
 
     case Routes.rescan:
       return MaterialPageRoute<void>(builder: (_) => getIt.get<RescanPage>());
@@ -412,51 +402,41 @@ Route<dynamic> createRoute(RouteSettings settings) {
 
     case Routes.preSeed:
       return MaterialPageRoute<void>(
-          builder: (_) =>
-              getIt.get<PreSeedPage>(param1: settings.arguments as WalletType));
+          builder: (_) => getIt.get<PreSeedPage>(param1: settings.arguments as WalletType));
 
     case Routes.backup:
       return CupertinoPageRoute<void>(
           fullscreenDialog: true, builder: (_) => getIt.get<BackupPage>());
 
     case Routes.editBackupPassword:
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<EditBackupPasswordPage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<EditBackupPasswordPage>());
 
     case Routes.restoreFromBackup:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<RestoreFromBackupPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<RestoreFromBackupPage>());
 
     case Routes.support:
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<SupportPage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<SupportPage>());
 
     case Routes.supportLiveChat:
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<SupportChatPage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<SupportChatPage>());
 
     case Routes.supportOtherLinks:
       return CupertinoPageRoute<void>(
-          fullscreenDialog: true,
-          builder: (_) => getIt.get<SupportOtherLinksPage>());
+          fullscreenDialog: true, builder: (_) => getIt.get<SupportOtherLinksPage>());
 
     case Routes.unspentCoinsList:
-      return MaterialPageRoute<void>(
-          builder: (_) => getIt.get<UnspentCoinsListPage>());
+      return MaterialPageRoute<void>(builder: (_) => getIt.get<UnspentCoinsListPage>());
 
     case Routes.unspentCoinsDetails:
       final args = settings.arguments as List;
 
       return MaterialPageRoute<void>(
-          builder: (_) =>
-              getIt.get<UnspentCoinsDetailsPage>(
-                  param1: args));
+          builder: (_) => getIt.get<UnspentCoinsDetailsPage>(param1: args));
 
     case Routes.fullscreenQR:
       return MaterialPageRoute<void>(
-          builder: (_) =>
-              getIt.get<FullscreenQRPage>(
+          builder: (_) => getIt.get<FullscreenQRPage>(
                 param1: settings.arguments as QrViewData,
               ));
 
@@ -467,26 +447,27 @@ Route<dynamic> createRoute(RouteSettings settings) {
       );
 
     case Routes.ioniaLoginPage:
-      return CupertinoPageRoute<void>( builder: (_) => getIt.get<IoniaLoginPage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaLoginPage>());
 
     case Routes.ioniaCreateAccountPage:
-      return CupertinoPageRoute<void>( builder: (_) => getIt.get<IoniaCreateAccountPage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaCreateAccountPage>());
 
     case Routes.ioniaManageCardsPage:
-      return CupertinoPageRoute<void>(
-        builder: (_) => getIt.get<IoniaManageCardsPage>());
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaManageCardsPage>());
 
     case Routes.ioniaBuyGiftCardPage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaBuyGiftCardPage>(param1: args));
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<IoniaBuyGiftCardPage>(param1: args));
 
     case Routes.ioniaBuyGiftCardDetailPage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaBuyGiftCardDetailPage>(param1: args));
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<IoniaBuyGiftCardDetailPage>(param1: args));
 
     case Routes.ioniaVerifyIoniaOtpPage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(builder: (_) =>getIt.get<IoniaVerifyIoniaOtp>(param1: args));
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaVerifyIoniaOtp>(param1: args));
 
     case Routes.ioniaDebitCardPage:
       return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaDebitCardPage>());
@@ -502,57 +483,60 @@ Route<dynamic> createRoute(RouteSettings settings) {
 
     case Routes.ioniaCustomTipPage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(builder: (_) =>getIt.get<IoniaCustomTipPage>(param1: args));
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaCustomTipPage>(param1: args));
 
     case Routes.ioniaGiftCardDetailPage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaGiftCardDetailPage>(param1: args.first));
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<IoniaGiftCardDetailPage>(param1: args.first));
 
     case Routes.ioniaCustomRedeemPage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaCustomRedeemPage>(param1: args));
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<IoniaCustomRedeemPage>(param1: args));
 
     case Routes.ioniaMoreOptionsPage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaMoreOptionsPage>(param1: args));
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<IoniaMoreOptionsPage>(param1: args));
 
     case Routes.ioniaPaymentStatusPage:
       final args = settings.arguments as List;
       final paymentInfo = args.first as IoniaAnyPayPaymentInfo;
       final commitedInfo = args[1] as AnyPayPaymentCommittedInfo;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<IoniaPaymentStatusPage>(
-        param1: paymentInfo,
-        param2: commitedInfo));
+      return CupertinoPageRoute<void>(
+          builder: (_) =>
+              getIt.get<IoniaPaymentStatusPage>(param1: paymentInfo, param2: commitedInfo));
 
     case Routes.webViewPage:
       final args = settings.arguments as List;
       final title = args.first as String;
       final url = args[1] as Uri;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<WebViewPage>(
-          param1: title,
-          param2: url));
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<WebViewPage>(param1: title, param2: url));
 
     case Routes.advancedPrivacySettings:
       final type = settings.arguments as WalletType;
 
       return CupertinoPageRoute<void>(
           builder: (_) => AdvancedPrivacySettingsPage(
-            getIt.get<AdvancedPrivacySettingsViewModel>(param1: type),
-            getIt.get<NodeCreateOrEditViewModel>(param1: type),
-          ));
+                getIt.get<AdvancedPrivacySettingsViewModel>(param1: type),
+                getIt.get<NodeCreateOrEditViewModel>(param1: type, param2: false),
+              ));
 
     case Routes.anonPayInvoicePage:
       final args = settings.arguments as List;
-      return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<AnonPayInvoicePage>(param1: args));
+      return CupertinoPageRoute<void>(builder: (_) => getIt.get<AnonPayInvoicePage>(param1: args));
 
     case Routes.anonPayReceivePage:
-        final anonInvoiceViewData = settings.arguments as AnonpayInfoBase;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<AnonPayReceivePage>(param1: anonInvoiceViewData));
+      final anonInvoiceViewData = settings.arguments as AnonpayInfoBase;
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<AnonPayReceivePage>(param1: anonInvoiceViewData));
 
     case Routes.anonPayDetailsPage:
       final anonInvoiceViewData = settings.arguments as AnonpayInvoiceInfo;
-      return CupertinoPageRoute<void>(builder: (_) => getIt.get<AnonpayDetailsPage>(param1: anonInvoiceViewData));
+      return CupertinoPageRoute<void>(
+          builder: (_) => getIt.get<AnonpayDetailsPage>(param1: anonInvoiceViewData));
 
     case Routes.desktop_actions:
       return PageRouteBuilder(
@@ -561,12 +545,10 @@ Route<dynamic> createRoute(RouteSettings settings) {
       );
 
     case Routes.desktop_settings_page:
-      return CupertinoPageRoute<void>(
-          builder: (_) => DesktopSettingsPage());
+      return CupertinoPageRoute<void>(builder: (_) => DesktopSettingsPage());
 
     case Routes.empty_no_route:
-      return MaterialPageRoute<void>(
-          builder: (_) => SizedBox.shrink());
+      return MaterialPageRoute<void>(builder: (_) => SizedBox.shrink());
 
     case Routes.transactionsPage:
       return CupertinoPageRoute<void>(
@@ -603,7 +585,10 @@ Route<dynamic> createRoute(RouteSettings settings) {
       );
 
     case Routes.manageNodes:
-      return MaterialPageRoute<void>(builder: (_) => getIt.get<ManageNodesPage>());
+      return MaterialPageRoute<void>(builder: (_) => getIt.get<ManageNodesPage>(param1: false));
+
+    case Routes.managePowNodes:
+      return MaterialPageRoute<void>(builder: (_) => getIt.get<ManageNodesPage>(param1: true));
 
     case Routes.scanQr:
         return MaterialPageRoute<void>(builder: (_) => getIt.get<ScanScreen>());
@@ -611,7 +596,6 @@ Route<dynamic> createRoute(RouteSettings settings) {
     default:
       return MaterialPageRoute<void>(
           builder: (_) => Scaffold(
-              body: Center(
-                  child: Text(S.current.router_no_route(settings.name ?? 'No route')))));
+              body: Center(child: Text(S.current.router_no_route(settings.name ?? 'No route')))));
   }
 }

lib/routes.dart

@@ -6,6 +6,7 @@ class Routes {
   static const seed = '/seed';
   static const restoreOptions = '/restore_options';
   static const restoreWalletFromSeedKeys = '/restore_wallet_from_seeds_keys';
+  static const restoreWalletChooseDerivation = '/restore_wallet_choose_derivation';
   static const dashboard = '/dashboard';
   static const send = '/send';
   static const transactionDetails = '/transaction_info';
@@ -14,13 +15,16 @@ class Routes {
   static const walletEdit = '/walletEdit';
   static const disclaimer = '/disclaimer';
   static const readDisclaimer = '/read_disclaimer';
+  static const changeRep = '/change_representative';
   static const seedLanguage = '/seed_language';
   static const walletList = '/view_model.wallet_list';
   static const auth = '/auth';
   static const newNode = '/new_node_list';
+  static const newPowNode = '/new_pow_node_list';
   static const login = '/login';
   static const splash = '/splash';
   static const accountCreation = '/account_new';
+  static const nanoAccountCreation = '/nano_account_new';
   static const addressBook = '/address_book';
   static const pickerAddressBook = '/picker_address_book';
   static const addressBookAddContact = '/address_book_add_contact';
@@ -93,4 +97,5 @@ class Routes {
   static const editToken = '/edit_token';
   static const manageNodes = '/manage_nodes';
   static const scanQr = '/scan_qr';
+  static const managePowNodes = '/manage_pow_nodes';
 }

lib/src/screens/dashboard/dashboard_page.dart

@@ -1,9 +1,12 @@
 import 'dart:async';
+import 'package:cake_wallet/core/wallet_connect/wc_bottom_sheet_service.dart';
+import 'package:cake_wallet/core/wallet_connect/web3wallet_service.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
 import 'package:cake_wallet/di.dart';
 import 'package:cake_wallet/entities/main_actions.dart';
 import 'package:cake_wallet/src/screens/dashboard/desktop_widgets/desktop_sidebar_wrapper.dart';
 import 'package:cake_wallet/src/screens/dashboard/widgets/market_place_page.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/modals/bottom_sheet_listener.dart';
 import 'package:cake_wallet/src/widgets/gradient_background.dart';
 import 'package:cake_wallet/themes/extensions/sync_indicator_theme.dart';
 import 'package:cake_wallet/utils/device_info.dart';
@@ -35,12 +38,14 @@ import 'package:cake_wallet/themes/extensions/balance_page_theme.dart';
 
 class DashboardPage extends StatelessWidget {
   DashboardPage({
+    required this.bottomSheetService,
     required this.balancePage,
     required this.dashboardViewModel,
     required this.addressListViewModel,
   });
 
   final BalancePage balancePage;
+  final BottomSheetService bottomSheetService;
   final DashboardViewModel dashboardViewModel;
   final WalletAddressListViewModel addressListViewModel;
 
@@ -55,12 +60,14 @@ class DashboardPage extends StatelessWidget {
             } else {
               return _DashboardPageView(
                 balancePage: balancePage,
+                bottomSheetService: bottomSheetService,
                 dashboardViewModel: dashboardViewModel,
                 addressListViewModel: addressListViewModel,
               );
             }
           } else if (ResponsiveLayoutUtil.instance.shouldRenderMobileUI()) {
             return _DashboardPageView(
+              bottomSheetService: bottomSheetService,
               balancePage: balancePage,
               dashboardViewModel: dashboardViewModel,
               addressListViewModel: addressListViewModel,
@@ -76,6 +83,7 @@ class DashboardPage extends StatelessWidget {
 
 class _DashboardPageView extends BasePage {
   _DashboardPageView({
+    required this.bottomSheetService,
     required this.balancePage,
     required this.dashboardViewModel,
     required this.addressListViewModel,
@@ -126,6 +134,7 @@ class _DashboardPageView extends BasePage {
   }
 
   final DashboardViewModel dashboardViewModel;
+  final BottomSheetService bottomSheetService;
   final WalletAddressListViewModel addressListViewModel;
 
   int get initialPage => dashboardViewModel.shouldShowMarketPlaceInDashboard ? 1 : 0;
@@ -158,102 +167,106 @@ class _DashboardPageView extends BasePage {
 
     return SafeArea(
       minimum: EdgeInsets.only(bottom: 24),
-      child: Column(
-        mainAxisSize: MainAxisSize.max,
-        children: <Widget>[
-          Expanded(
-            child: Observer(
-              builder: (context) {
-                return PageView.builder(
-                  controller: controller,
-                  itemCount: pages.length,
-                  itemBuilder: (context, index) => pages[index],
-                );
-              },
-            ),
-          ),
-          Padding(
-            padding: EdgeInsets.only(bottom: 24, top: 10),
-            child: Observer(
-              builder: (context) {
-                return ExcludeSemantics(
-                  child: SmoothPageIndicator(
+      child: BottomSheetListener(
+        bottomSheetService: bottomSheetService,
+        child: Column(
+          mainAxisSize: MainAxisSize.max,
+          children: <Widget>[
+            Expanded(
+              child: Observer(
+                builder: (context) {
+                  return PageView.builder(
                     controller: controller,
-                    count: pages.length,
-                    effect: ColorTransitionEffect(
-                      spacing: 6.0,
-                      radius: 6.0,
-                      dotWidth: 6.0,
-                      dotHeight: 6.0,
-                      dotColor: Theme.of(context).indicatorColor,
-                      activeDotColor: Theme.of(context)
-                          .extension<DashboardPageTheme>()!
-                          .indicatorDotTheme
-                          .activeIndicatorColor,
-                    ),
-                  ),
-                );
-              },
+                    itemCount: pages.length,
+                    itemBuilder: (context, index) => pages[index],
+                  );
+                },
+              ),
             ),
-          ),
-          Observer(
-            builder: (_) {
-              return ClipRect(
-                child: Container(
-                  margin: const EdgeInsets.only(left: 16, right: 16),
-                  child: Container(
-                    decoration: BoxDecoration(
-                      borderRadius: BorderRadius.circular(50.0),
-                      border: Border.all(
-                        color: Theme.of(context).extension<BalancePageTheme>()!.cardBorderColor,
-                        width: 1,
+            Padding(
+              padding: EdgeInsets.only(bottom: 24, top: 10),
+              child: Observer(
+                builder: (context) {
+                  return ExcludeSemantics(
+                    child: SmoothPageIndicator(
+                      controller: controller,
+                      count: pages.length,
+                      effect: ColorTransitionEffect(
+                        spacing: 6.0,
+                        radius: 6.0,
+                        dotWidth: 6.0,
+                        dotHeight: 6.0,
+                        dotColor: Theme.of(context).indicatorColor,
+                        activeDotColor: Theme.of(context)
+                            .extension<DashboardPageTheme>()!
+                            .indicatorDotTheme
+                            .activeIndicatorColor,
                       ),
-                      color:
-                          Theme.of(context).extension<SyncIndicatorTheme>()!.syncedBackgroundColor,
                     ),
+                  );
+                },
+              ),
+            ),
+            Observer(
+              builder: (_) {
+                return ClipRect(
+                  child: Container(
+                    margin: const EdgeInsets.only(left: 16, right: 16),
                     child: Container(
-                      padding: EdgeInsets.only(left: 32, right: 32),
-                      child: Row(
-                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                        children: MainActions.all
-                            .where((element) => element.canShow?.call(dashboardViewModel) ?? true)
-                            .map(
-                              (action) => Semantics(
-                                button: true,
-                                enabled: (action.isEnabled?.call(dashboardViewModel) ?? true),
-                                child: ActionButton(
-                                  image: Image.asset(
-                                    action.image,
-                                    height: 24,
-                                    width: 24,
-                                    color: action.isEnabled?.call(dashboardViewModel) ?? true
-                                        ? Theme.of(context)
-                                            .extension<DashboardPageTheme>()!
-                                            .mainActionsIconColor
+                      decoration: BoxDecoration(
+                        borderRadius: BorderRadius.circular(50.0),
+                        border: Border.all(
+                          color: Theme.of(context).extension<BalancePageTheme>()!.cardBorderColor,
+                          width: 1,
+                        ),
+                        color: Theme.of(context)
+                            .extension<SyncIndicatorTheme>()!
+                            .syncedBackgroundColor,
+                      ),
+                      child: Container(
+                        padding: EdgeInsets.only(left: 32, right: 32),
+                        child: Row(
+                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                          children: MainActions.all
+                              .where((element) => element.canShow?.call(dashboardViewModel) ?? true)
+                              .map(
+                                (action) => Semantics(
+                                  button: true,
+                                  enabled: (action.isEnabled?.call(dashboardViewModel) ?? true),
+                                  child: ActionButton(
+                                    image: Image.asset(
+                                      action.image,
+                                      height: 24,
+                                      width: 24,
+                                      color: action.isEnabled?.call(dashboardViewModel) ?? true
+                                          ? Theme.of(context)
+                                              .extension<DashboardPageTheme>()!
+                                              .mainActionsIconColor
+                                          : Theme.of(context)
+                                              .extension<BalancePageTheme>()!
+                                              .labelTextColor,
+                                    ),
+                                    title: action.name(context),
+                                    onClick: () async =>
+                                        await action.onTap(context, dashboardViewModel),
+                                    textColor: action.isEnabled?.call(dashboardViewModel) ?? true
+                                        ? null
                                         : Theme.of(context)
                                             .extension<BalancePageTheme>()!
                                             .labelTextColor,
                                   ),
-                                  title: action.name(context),
-                                  onClick: () async =>
-                                      await action.onTap(context, dashboardViewModel),
-                                  textColor: action.isEnabled?.call(dashboardViewModel) ?? true
-                                      ? null
-                                      : Theme.of(context)
-                                          .extension<BalancePageTheme>()!
-                                          .labelTextColor,
                                 ),
-                              ),
-                            )
-                            .toList(),
+                              )
+                              .toList(),
+                        ),
                       ),
                     ),
                   ),
-                ),
-              );
-            },
-          ),
-        ],
+                );
+              },
+            ),
+          ],
+        ),
       ),
     );
   }
@@ -282,29 +295,6 @@ class _DashboardPageView extends BasePage {
     );
     _isEffectsInstalled = true;
 
-    autorun(
-      (_) async {
-        if (!dashboardViewModel.isOutdatedElectrumWallet) {
-          return;
-        }
-
-        await Future<void>.delayed(Duration(seconds: 1));
-        if (context.mounted) {
-          await showPopUp<void>(
-            context: context,
-            builder: (BuildContext context) {
-              return AlertWithOneAction(
-                alertTitle: S.of(context).pre_seed_title,
-                alertContent: S.of(context).outdated_electrum_wallet_description,
-                buttonText: S.of(context).understand,
-                buttonAction: () => Navigator.of(context).pop(),
-              );
-            },
-          );
-        }
-      },
-    );
-
     _showReleaseNotesPopup(context);
 
     var needToPresentYat = false;

lib/src/screens/dashboard/desktop_dashboard_page.dart

@@ -1,8 +1,10 @@
 import 'dart:async';
+import 'package:cake_wallet/core/wallet_connect/wc_bottom_sheet_service.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/release_notes/release_notes_screen.dart';
+import 'package:cake_wallet/src/screens/wallet_connect/widgets/modals/bottom_sheet_listener.dart';
 import 'package:cake_wallet/src/screens/yat_emoji_id.dart';
 import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
@@ -19,12 +21,14 @@ import 'package:shared_preferences/shared_preferences.dart';
 class DesktopDashboardPage extends StatelessWidget {
   DesktopDashboardPage({
     required this.balancePage,
+    required this.bottomSheetService,
     required this.dashboardViewModel,
     required this.addressListViewModel,
     required this.desktopKey,
   });
 
   final BalancePage balancePage;
+  final BottomSheetService bottomSheetService;
   final DashboardViewModel dashboardViewModel;
   final WalletAddressListViewModel addressListViewModel;
   final GlobalKey<NavigatorState> desktopKey;
@@ -36,31 +40,34 @@ class DesktopDashboardPage extends StatelessWidget {
   Widget build(BuildContext context) {
     _setEffects(context);
 
-    return Container(
-      color: Theme.of(context).colorScheme.background,
-      child: Row(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Container(
-            width: 400,
-            child: balancePage,
-          ),
-          Flexible(
-            child: ConstrainedBox(
-              constraints: BoxConstraints(maxWidth: 500),
-              child: Navigator(
-                key: desktopKey,
-                initialRoute: Routes.desktop_actions,
-                onGenerateRoute: (settings) => Router.createRoute(settings),
-                onGenerateInitialRoutes: (NavigatorState navigator, String initialRouteName) {
-                  return [
-                    navigator.widget.onGenerateRoute!(RouteSettings(name: initialRouteName))!
-                  ];
-                },
+    return BottomSheetListener(
+      bottomSheetService: bottomSheetService,
+      child: Container(
+        color: Theme.of(context).colorScheme.background,
+        child: Row(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Container(
+              width: 400,
+              child: balancePage,
+            ),
+            Flexible(
+              child: ConstrainedBox(
+                constraints: BoxConstraints(maxWidth: 500),
+                child: Navigator(
+                  key: desktopKey,
+                  initialRoute: Routes.desktop_actions,
+                  onGenerateRoute: (settings) => Router.createRoute(settings),
+                  onGenerateInitialRoutes: (NavigatorState navigator, String initialRouteName) {
+                    return [
+                      navigator.widget.onGenerateRoute!(RouteSettings(name: initialRouteName))!
+                    ];
+                  },
+                ),
               ),
             ),
-          ),
-        ],
+          ],
+        ),
       ),
     );
   }
@@ -71,23 +78,6 @@ class DesktopDashboardPage extends StatelessWidget {
     }
     _isEffectsInstalled = true;
 
-    autorun((_) async {
-      if (!dashboardViewModel.isOutdatedElectrumWallet) {
-        return;
-      }
-
-      await Future<void>.delayed(Duration(seconds: 1));
-      await showPopUp<void>(
-          context: context,
-          builder: (BuildContext context) {
-            return AlertWithOneAction(
-                alertTitle: S.of(context).pre_seed_title,
-                alertContent: S.of(context).outdated_electrum_wallet_description,
-                buttonText: S.of(context).understand,
-                buttonAction: () => Navigator.of(context).pop());
-          });
-    });
-
     var needToPresentYat = false;
     var isInactive = false;
 

lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart

@@ -33,6 +33,8 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
   final litecoinIcon = Image.asset('assets/images/litecoin_icon.png', height: 24, width: 24);
   final havenIcon = Image.asset('assets/images/haven_logo.png', height: 24, width: 24);
   final ethereumIcon = Image.asset('assets/images/eth_icon.png', height: 24, width: 24);
+  final nanoIcon = Image.asset('assets/images/nano_icon.png', height: 24, width: 24);
+  final bananoIcon = Image.asset('assets/images/nano_icon.png', height: 24, width: 24);
   final nonWalletTypeIcon = Image.asset('assets/images/close.png', height: 24, width: 24);
 
   Image _newWalletImage(BuildContext context) => Image.asset(
@@ -141,6 +143,10 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
         return havenIcon;
       case WalletType.ethereum:
         return ethereumIcon;
+      case WalletType.nano:
+        return nanoIcon;
+      case WalletType.banano:
+        return bananoIcon;
       default:
         return nonWalletTypeIcon;
     }

lib/src/screens/dashboard/widgets/address_page.dart

@@ -120,31 +120,6 @@ class AddressPage extends BasePage {
   Widget body(BuildContext context) {
     _setEffects(context);
 
-    autorun((_) async {
-      if (!dashboardViewModel.isOutdatedElectrumWallet ||
-          !dashboardViewModel.settingsStore.shouldShowReceiveWarning) {
-        return;
-      }
-
-      await Future<void>.delayed(Duration(seconds: 1));
-      if (context.mounted) {
-        await showPopUp<void>(
-            context: context,
-            builder: (BuildContext context) {
-              return AlertWithTwoActions(
-                  alertTitle: S.of(context).pre_seed_title,
-                  alertContent: S.of(context).outdated_electrum_wallet_receive_warning,
-                  leftButtonText: S.of(context).understand,
-                  actionLeftButton: () => Navigator.of(context).pop(),
-                  rightButtonText: S.of(context).do_not_show_me,
-                  actionRightButton: () {
-                    dashboardViewModel.settingsStore.setShouldShowReceiveWarning(false);
-                    Navigator.of(context).pop();
-                  });
-            });
-      }
-    });
-
     return KeyboardActions(
         autoScroll: false,
         disableScroll: true,

lib/src/screens/dashboard/widgets/menu_widget.dart

@@ -18,18 +18,21 @@ class MenuWidget extends StatefulWidget {
 
 class MenuWidgetState extends State<MenuWidget> {
   MenuWidgetState()
-      : this.menuWidth = 0,
-        this.screenWidth = 0,
-        this.screenHeight = 0,
-        this.headerHeight = 120,
-        this.tileHeight = 60,
-        this.fromTopEdge = 50,
-        this.fromBottomEdge = 25,
-        this.moneroIcon = Image.asset('assets/images/monero_menu.png'),
-        this.bitcoinIcon = Image.asset('assets/images/bitcoin_menu.png'),
-        this.litecoinIcon = Image.asset('assets/images/litecoin_menu.png'),
-        this.havenIcon = Image.asset('assets/images/haven_menu.png'),
-        this.ethereumIcon = Image.asset('assets/images/eth_icon.png');
+    : this.menuWidth = 0,
+      this.screenWidth = 0,
+      this.screenHeight = 0,
+      this.headerHeight = 120,
+      this.tileHeight = 60,
+      this.fromTopEdge = 50,
+      this.fromBottomEdge = 25,
+      this.moneroIcon = Image.asset('assets/images/monero_menu.png'),
+      this.bitcoinIcon = Image.asset('assets/images/bitcoin_menu.png'),
+      this.litecoinIcon = Image.asset('assets/images/litecoin_menu.png'),
+      this.havenIcon = Image.asset('assets/images/haven_menu.png'),
+      this.ethereumIcon = Image.asset('assets/images/eth_icon.png'),
+      this.nanoIcon = Image.asset('assets/images/nano_icon.png'),
+      this.bananoIcon = Image.asset('assets/images/nano_icon.png');
+
 
   final largeScreen = 731;
 
@@ -47,6 +50,9 @@ class MenuWidgetState extends State<MenuWidget> {
   Image litecoinIcon;
   Image havenIcon;
   Image ethereumIcon;
+  Image nanoIcon;
+  Image bananoIcon;
+
 
   @override
   void initState() {
@@ -206,6 +212,10 @@ class MenuWidgetState extends State<MenuWidget> {
         return havenIcon;
       case WalletType.ethereum:
         return ethereumIcon;
+      case WalletType.nano:
+        return nanoIcon;
+      case WalletType.banano:
+        return bananoIcon;
       default:
         throw Exception('No icon for ${type.toString()}');
     }

lib/src/screens/dashboard/widgets/trade_row.dart

@@ -94,6 +94,9 @@ class TradeRow extends StatelessWidget {
             borderRadius: BorderRadius.circular(50),
             child: Image.asset('assets/images/trocador.png', width: 36, height: 36));
         break;
+      case ExchangeProviderDescription.exolix:
+        image = Image.asset('assets/images/exolix.png', width: 36, height: 36);
+        break;
       default:
         image = null;
     }

lib/src/screens/nano/nano_change_rep_page.dart

@@ -0,0 +1,103 @@
+import 'package:cake_wallet/core/address_validator.dart';
+import 'package:cake_wallet/nano/nano.dart';
+import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
+import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
+import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
+import 'package:cake_wallet/utils/show_pop_up.dart';
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_core/wallet_base.dart';
+import 'package:cw_nano/nano_wallet.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/src/widgets/primary_button.dart';
+import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
+
+class NanoChangeRepPage extends BasePage {
+  NanoChangeRepPage(WalletBase wallet)
+      : _wallet = wallet,
+        _addressController = TextEditingController() {
+    _addressController.text = (wallet as NanoWallet).representative;
+  }
+
+  final TextEditingController _addressController;
+  final WalletBase _wallet;
+
+  @override
+  String get title => S.current.change_rep;
+
+  @override
+  Widget body(BuildContext context) {
+    return Container(
+        padding: EdgeInsets.only(left: 24, right: 24),
+        child: ScrollableWithBottomSection(
+          contentPadding: EdgeInsets.only(bottom: 24.0),
+          content: Container(
+            child: Column(
+              children: <Widget>[
+                Row(
+                  children: <Widget>[
+                    Expanded(
+                      child: BaseTextFormField(
+                        controller: _addressController,
+                        hintText: S.of(context).node_address,
+                        validator: AddressValidator(type: CryptoCurrency.nano),
+                      ),
+                    )
+                  ],
+                ),
+              ],
+            ),
+          ),
+          bottomSectionPadding: EdgeInsets.only(bottom: 24),
+          bottomSection: Observer(
+              builder: (_) => Row(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    children: <Widget>[
+                      Flexible(
+                          child: Container(
+                        padding: EdgeInsets.only(right: 8.0),
+                        child: LoadingPrimaryButton(
+                          onPressed: () async {
+                            final confirmed = await showPopUp<bool>(
+                                    context: context,
+                                    builder: (BuildContext context) {
+                                      return AlertWithTwoActions(
+                                          alertTitle: S.of(context).change_rep,
+                                          alertContent: S.of(context).change_rep_message,
+                                          rightButtonText: S.of(context).change,
+                                          leftButtonText: S.of(context).cancel,
+                                          actionRightButton: () => Navigator.pop(context, true),
+                                          actionLeftButton: () => Navigator.pop(context, false));
+                                    }) ??
+                                false;
+
+                            if (confirmed) {
+                              try {
+                                await nano!.changeRep(_wallet, _addressController.text);
+                                Navigator.of(context).pop();
+                              } catch (e) {
+                                await showPopUp<void>(
+                                    context: context,
+                                    builder: (BuildContext context) {
+                                      return AlertWithOneAction(
+                                          alertTitle: S.of(context).error,
+                                          alertContent: e.toString(),
+                                          buttonText: S.of(context).ok,
+                                          buttonAction: () => Navigator.pop(context));
+                                    });
+                                throw e;
+                              }
+                            }
+                          },
+                          text: S.of(context).change,
+                          color: Theme.of(context).primaryColor,
+                          textColor: Colors.white,
+                        ),
+                      )),
+                    ],
+                  )),
+        ));
+  }
+}