Merge remote-tracking branch 'origin/main' into CW-453-bitcoin-silent-payments

2024-12-22 19:49:22 +00:00 · 2023-12-06 20:06:38 -03:00 · 2023-12-06 20:06:38 -03:00 · 7064225a9b
commit 7064225a9b
parent 9d6b90759c d370c754c5
134 changed files with 2530 additions and 324 deletions
--- a/.github/workflows/pr_test_build.yml
+++ b/.github/workflows/pr_test_build.yml
@ -3,6 +3,12 @@ name: PR Test Build
 on:
  pull_request:
    branches: [main]
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: 'Branch name to build'
+        required: true
+        default: 'main'

 jobs:
  PR_test_build:
@ -12,6 +18,14 @@ jobs:
      KEY_PASS: test@cake_wallet

    steps:
+      - name: is pr
+        if: github.event_name == 'pull_request'
+        run: echo "BRANCH_NAME=${GITHUB_HEAD_REF}" >> $GITHUB_ENV
+
+      - name: is not pr
+        if: github.event_name != 'pull_request'
+        run: echo "BRANCH_NAME=${{ github.event.inputs.branch }}" >> $GITHUB_ENV
+
      - name: Free Up GitHub Actions Ubuntu Runner Disk Space
        run: |
          sudo rm -rf /usr/share/dotnet
@ -40,7 +54,7 @@ jobs:
          cd /opt/android
          -y curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
          cargo install cargo-ndk
-          git clone https://github.com/cake-tech/cake_wallet.git --branch $GITHUB_HEAD_REF
+          git clone https://github.com/cake-tech/cake_wallet.git --branch ${{ env.BRANCH_NAME }}
          cd cake_wallet/scripts/android/
          ./install_ndk.sh
          source ./app_env.sh cakewallet
@ -97,6 +111,7 @@ jobs:
          cd cw_ethereum && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
          cd cw_bitcoin_cash && 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 ..
+          cd cw_polygon && 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
@ -131,6 +146,7 @@ jobs:
          echo "const fiatApiKey = '${{ secrets.FIAT_API_KEY }}';" >> lib/.secrets.g.dart
          echo "const payfuraApiKey = '${{ secrets.PAYFURA_API_KEY }}';" >> lib/.secrets.g.dart
          echo "const etherScanApiKey = '${{ secrets.ETHER_SCAN_API_KEY }}';" >> cw_ethereum/lib/.secrets.g.dart
+          echo "const polygonScanApiKey = '${{ secrets.POLYGON_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 = '${{ secrets.ROBINHOOD_APPLICATION_ID }}';" >> lib/.secrets.g.dart
@ -139,7 +155,7 @@ jobs:
          echo "const moralisApiKey = '${{ secrets.MORALIS_API_KEY }}';" >> lib/.secrets.g.dart

      - name: Rename app
-        run: echo -e "id=com.cakewallet.test\nname=$GITHUB_HEAD_REF" > /opt/android/cake_wallet/android/app.properties
+        run: echo -e "id=com.cakewallet.test\nname=${{ env.BRANCH_NAME }}" > /opt/android/cake_wallet/android/app.properties

      - name: Build
        run: |
@ -154,7 +170,7 @@ jobs:
 #                appcenter distribute release \
 #                    --group "Testers" \
 #                    --file "/opt/android/cake_wallet/build/app/outputs/apk/release/app-release.apk" \
-#                    --release-notes ${GITHUB_HEAD_REF} \
+#                    --release-notes ${{ env.BRANCH_NAME }} \
 #                    --app Cake-Labs/Cake-Wallet \
 #                    --token ${{ secrets.APP_CENTER_TOKEN }} \
 #                    --quiet
@ -163,7 +179,7 @@ jobs:
        run: |
          cd /opt/android/cake_wallet/build/app/outputs/apk/release
          mkdir test-apk
-          cp app-release.apk test-apk/$GITHUB_HEAD_REF.apk
+          cp app-release.apk test-apk/${{env.BRANCH_NAME}}.apk

      - name: Upload Artifact
        uses: kittaakos/upload-artifact-as-is@v0
@ -177,6 +193,6 @@ 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"
-          filename: ${{github.head_ref}}.apk
+          title: "${{ env.BRANCH_NAME }}.apk"
+          filename: ${{ env.BRANCH_NAME }}.apk
          initial_comment: ${{ github.event.head_commit.message }}
--- a/.gitignore
+++ b/.gitignore
@ -126,6 +126,7 @@ lib/haven/haven.dart
 lib/ethereum/ethereum.dart
 lib/bitcoin_cash/bitcoin_cash.dart
 lib/nano/nano.dart
+lib/polygon/polygon.dart

 ios/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_180.png
 ios/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_120.png
--- a/android/app/src/main/AndroidManifestBase.xml
+++ b/android/app/src/main/AndroidManifestBase.xml
@ -62,6 +62,9 @@
                <data android:scheme="bitcoincash" />
                <data android:scheme="bitcoincash-wallet" />
                <data android:scheme="bitcoincash_wallet" />
+                <data android:scheme="polygon" />
+                <data android:scheme="polygon-wallet" />
+                <data android:scheme="polygon_wallet" />
            </intent-filter>
        </activity>
        <meta-data
--- a/assets/polygon_node_list.yml
+++ b/assets/polygon_node_list.yml
@ -0,0 +1,6 @@
+-
+  uri: polygon-bor.publicnode.com
+-
+  uri: polygon-rpc.com
+- 
+  uri: polygon.llamarpc.com
--- a/assets/text/Monerocom_Release_Notes.txt
+++ b/assets/text/Monerocom_Release_Notes.txt
@ -1,2 +1,2 @@
-Monero Polyseed support, under Advanced privacy settings, create and restore from a 16 words phrase and without the need to remember the wallet creation date
-Minor bug fixes and enhancements
+Monero Polyseed support, create and restore from a 16 words phrase and without the need to remember the wallet creation date
+Bug fixes and enhancements
--- a/assets/text/Release_Notes.txt
+++ b/assets/text/Release_Notes.txt
@ -1,3 +1,3 @@
-Monero Polyseed support, under Advanced privacy settings, create and restore from a 16 words phrase and without the need to remember the wallet creation date
-Add Ethereum NFTs tab to see all of your purchased NFTs
-Minor bug fixes and enhancements
+Monero Polyseed support, create and restore from a 16 words phrase and without the need to remember the wallet creation date
+Add NFTs tab to see all of your purchased NFTs on Ethereum
+Bug fixes and enhancements
--- a/configure_cake_wallet_android.sh
+++ b/configure_cake_wallet_android.sh
@ -10,4 +10,5 @@ cd cw_haven && flutter pub get && flutter packages pub run build_runner build --
 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 ..
 cd cw_bitcoin_cash && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
+cd cw_polygon && flutter pub get && flutter packages pub run build_runner build --delete-conflicting-outputs && cd ..
 flutter packages pub run build_runner build --delete-conflicting-outputs
--- a/cw_bitcoin/lib/electrum_transaction_history.dart
+++ b/cw_bitcoin/lib/electrum_transaction_history.dart
@ -1,10 +1,11 @@
 import 'dart:convert';
+
+import 'package:cw_bitcoin/electrum_transaction_info.dart';
 import 'package:cw_core/pathForWallet.dart';
+import 'package:cw_core/transaction_history.dart';
+import 'package:cw_core/utils/file.dart';
 import 'package:cw_core/wallet_info.dart';
 import 'package:mobx/mobx.dart';
-import 'package:cw_core/transaction_history.dart';
-import 'package:cw_bitcoin/file.dart';
-import 'package:cw_bitcoin/electrum_transaction_info.dart';

 part 'electrum_transaction_history.g.dart';

--- a/cw_bitcoin/lib/electrum_wallet.dart
+++ b/cw_bitcoin/lib/electrum_wallet.dart
@ -26,6 +26,7 @@ import 'package:cw_bitcoin/electrum_balance.dart';
 import 'package:cw_bitcoin/electrum_transaction_history.dart';
 import 'package:cw_bitcoin/electrum_transaction_info.dart';
 import 'package:cw_bitcoin/file.dart';
+import 'package:cw_bitcoin/electrum_wallet_addresses.dart';
 import 'package:cw_bitcoin/pending_bitcoin_transaction.dart';
 import 'package:cw_bitcoin/script_hash.dart';
 import 'package:cw_bitcoin/utils.dart';
@ -35,6 +36,8 @@ 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_priority.dart';
+import 'package:cw_core/unspent_coins_info.dart';
+import 'package:cw_core/utils/file.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/wallet_info.dart';
 import 'package:hex/hex.dart';
--- a/cw_bitcoin/lib/electrum_wallet_snapshot.dart
+++ b/cw_bitcoin/lib/electrum_wallet_snapshot.dart
@ -1,8 +1,8 @@
 import 'dart:convert';
 import 'package:cw_bitcoin/bitcoin_address_record.dart';
 import 'package:cw_bitcoin/electrum_balance.dart';
-import 'package:cw_bitcoin/file.dart';
 import 'package:cw_core/pathForWallet.dart';
+import 'package:cw_core/utils/file.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;

--- a/cw_bitcoin/pubspec.yaml
+++ b/cw_bitcoin/pubspec.yaml
@ -30,7 +30,6 @@ dependencies:
  rxdart: ^0.27.5
  unorm_dart: ^0.2.0
  cryptography: ^2.0.5
-  encrypt: ^5.0.1

 dev_dependencies:
  flutter_test:
--- a/cw_core/lib/currency_for_wallet_type.dart
+++ b/cw_core/lib/currency_for_wallet_type.dart
@ -19,6 +19,8 @@ CryptoCurrency currencyForWalletType(WalletType type) {
      return CryptoCurrency.nano;
    case WalletType.banano:
      return CryptoCurrency.banano;
+    case WalletType.polygon:
+      return CryptoCurrency.maticpoly;
    default:
      throw Exception('Unexpected wallet type: ${type.toString()} for CryptoCurrency currencyForWalletType');
  }
--- a/cw_core/lib/erc20_token.dart
+++ b/cw_core/lib/erc20_token.dart
@ -58,6 +58,7 @@ class Erc20Token extends CryptoCurrency with HiveObjectMixin {

  static const typeId = ERC20_TOKEN_TYPE_ID;
  static const boxName = 'Erc20Tokens';
+  static const polygonBoxName = ' PolygonErc20Tokens';

  @override
  bool operator ==(other) => (other is Erc20Token && other.contractAddress == contractAddress) ||
--- a/cw_core/lib/get_height_by_date.dart
+++ b/cw_core/lib/get_height_by_date.dart
@ -118,7 +118,10 @@ final dates = {
  "2023-6": 2898234,
  "2023-7": 2919771,
  "2023-8": 2942045,
-  "2023-9": 2964280
+  "2023-9": 2964280,
+  "2023-10": 2985937,
+  "2023-11": 3008178,
+  "2023-12": 3029759
 };

 int getMoneroHeigthByDate({required DateTime date}) {
--- a/cw_core/lib/node.dart
+++ b/cw_core/lib/node.dart
@ -6,7 +6,7 @@ import 'package:hive/hive.dart';
 import 'package:cw_core/hive_type_ids.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:http/io_client.dart' as ioc;
-import 'package:tor/tor.dart';
+// import 'package:tor/tor.dart';

 part 'node.g.dart';

@ -88,6 +88,8 @@ class Node extends HiveObject with Keyable {
        } else {
          return Uri.http(uriRaw, '');
        }
+      case WalletType.polygon:
+        return Uri.https(uriRaw, '');
      default:
        throw Exception('Unexpected type ${type.toString()} for Node uri');
    }
@ -146,6 +148,8 @@ class Node extends HiveObject with Keyable {
        case WalletType.nano:
        case WalletType.banano:
          return requestNanoNode();
+        case WalletType.polygon:
+          return requestElectrumServer();
        default:
          return false;
      }
@ -210,14 +214,17 @@ class Node extends HiveObject with Keyable {
  }

  Future<bool> requestNodeWithProxy() async {
-    if (!isValidProxyAddress && !Tor.instance.enabled) {
+    if (!isValidProxyAddress/* && !Tor.instance.enabled*/) {
      return false;
    }

    String? proxy = socksProxyAddress;

-    if ((proxy?.isEmpty ?? true) && Tor.instance.enabled) {
-      proxy = "${InternetAddress.loopbackIPv4.address}:${Tor.instance.port}";
+    // if ((proxy?.isEmpty ?? true) && Tor.instance.enabled) {
+    //   proxy = "${InternetAddress.loopbackIPv4.address}:${Tor.instance.port}";
+    // }
+    if (proxy == null) {
+      return false;
    }
    final proxyAddress = proxy!.split(':')[0];
    final proxyPort = int.parse(proxy.split(':')[1]);
--- a/cw_core/lib/utils/file.dart
+++ b/cw_core/lib/utils/file.dart
@ -2,17 +2,8 @@ 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> write({required String path, required String password, required String data}) async =>
+    writeData(path: path, password: password, data: data);

 Future<void> writeData(
    {required String path,
--- a/cw_core/lib/wallet_type.dart
+++ b/cw_core/lib/wallet_type.dart
@ -13,6 +13,7 @@ const walletTypes = [
  WalletType.bitcoinCash,
  WalletType.nano,
  WalletType.banano,
+  WalletType.polygon,
 ];

@HiveType(typeId: WALLET_TYPE_TYPE_ID)
@ -44,6 +45,8 @@ enum WalletType {
  @HiveField(8)
  bitcoinCash,

+  @HiveField(9)
+  polygon
 }

 int serializeToInt(WalletType type) {
@ -64,6 +67,8 @@ int serializeToInt(WalletType type) {
      return 6;
    case WalletType.bitcoinCash:
      return 7;
+    case WalletType.polygon:
+      return 8;
    default:
      return -1;
  }
@ -87,6 +92,8 @@ WalletType deserializeFromInt(int raw) {
      return WalletType.banano;
    case 7:
      return WalletType.bitcoinCash;
+    case 8:
+      return WalletType.polygon;
    default:
      throw Exception('Unexpected token: $raw for WalletType deserializeFromInt');
  }
@ -110,6 +117,8 @@ String walletTypeToString(WalletType type) {
      return 'Nano';
    case WalletType.banano:
      return 'Banano';
+    case WalletType.polygon:
+      return 'Polygon';
    default:
      return '';
  }
@ -133,6 +142,8 @@ String walletTypeToDisplayName(WalletType type) {
      return 'Nano (XNO)';
    case WalletType.banano:
      return 'Banano (BAN)';
+    case WalletType.polygon:
+      return 'Polygon (MATIC)';
    default:
      return '';
  }
@ -156,7 +167,10 @@ CryptoCurrency walletTypeToCryptoCurrency(WalletType type) {
      return CryptoCurrency.nano;
    case WalletType.banano:
      return CryptoCurrency.banano;
+    case WalletType.polygon:
+      return CryptoCurrency.maticpoly;
    default:
-      throw Exception('Unexpected wallet type: ${type.toString()} for CryptoCurrency walletTypeToCryptoCurrency');
+      throw Exception(
+          'Unexpected wallet type: ${type.toString()} for CryptoCurrency walletTypeToCryptoCurrency');
  }
 }
--- a/cw_core/pubspec.yaml
+++ b/cw_core/pubspec.yaml
@ -20,10 +20,10 @@ dependencies:
  intl: ^0.18.0
  encrypt: ^5.0.1
  socks5_proxy: ^1.0.4
-  tor:
-    git:
-      url: https://github.com/cake-tech/tor.git
-      ref: main
+#  tor:
+#    git:
+#      url: https://github.com/cake-tech/tor.git
+#      ref: main

 dev_dependencies:
  flutter_test:
--- a/cw_ethereum/lib/ethereum_client.dart
+++ b/cw_ethereum/lib/ethereum_client.dart
@ -15,12 +15,12 @@ import 'package:cw_ethereum/ethereum_transaction_priority.dart';
 import 'package:cw_ethereum/.secrets.g.dart' as secrets;

 class EthereumClient {
-  final _httpClient = Client();
+  final httpClient = Client();
  Web3Client? _client;

  bool connect(Node node) {
    try {
-      _client = Web3Client(node.uri.toString(), _httpClient);
+      _client = Web3Client(node.uri.toString(), httpClient);

      return true;
    } catch (e) {
@ -74,9 +74,11 @@ class EthereumClient {
    required int exponent,
    String? contractAddress,
  }) async {
-    assert(currency == CryptoCurrency.eth || contractAddress != null);
+    assert(currency == CryptoCurrency.eth ||
+        currency == CryptoCurrency.maticpoly ||
+        contractAddress != null);

-    bool _isEthereum = currency == CryptoCurrency.eth;
+    bool _isEVMCompatibleChain = currency == CryptoCurrency.eth || currency == CryptoCurrency.maticpoly;

    final price = _client!.getGasPrice();

@ -84,19 +86,23 @@ class EthereumClient {
      from: privateKey.address,
      to: EthereumAddress.fromHex(toAddress),
      maxPriorityFeePerGas: EtherAmount.fromInt(EtherUnit.gwei, priority.tip),
-      value: _isEthereum ? EtherAmount.inWei(BigInt.parse(amount)) : EtherAmount.zero(),
+      value: _isEVMCompatibleChain ? EtherAmount.inWei(BigInt.parse(amount)) : EtherAmount.zero(),
    );

-    final signedTransaction = await _client!.signTransaction(privateKey, transaction);
+    final chainId = _getChainIdForCurrency(currency);
+
+    final signedTransaction =
+        await _client!.signTransaction(privateKey, transaction, chainId: chainId);

    final Function _sendTransaction;

-    if (_isEthereum) {
+    if (_isEVMCompatibleChain) {
      _sendTransaction = () async => await sendTransaction(signedTransaction);
    } else {
      final erc20 = ERC20(
        client: _client!,
        address: EthereumAddress.fromHex(contractAddress!),
+        chainId: chainId,
      );

      _sendTransaction = () async {
@ -118,6 +124,16 @@ class EthereumClient {
    );
  }

+  int _getChainIdForCurrency(CryptoCurrency currency) {
+    switch (currency) {
+      case CryptoCurrency.maticpoly:
+        return 137;
+      case CryptoCurrency.eth:
+      default:
+        return 1;
+    }
+  }
+
  Future<String> sendTransaction(Uint8List signedTransaction) async =>
      await _client!.sendRawTransaction(prependTransactionType(0x02, signedTransaction));

@ -198,7 +214,7 @@ I/flutter ( 4474): Gas Used: 53000
  Future<List<EthereumTransactionModel>> fetchTransactions(String address,
      {String? contractAddress}) async {
    try {
-      final response = await _httpClient.get(Uri.https("api.etherscan.io", "/api", {
+      final response = await httpClient.get(Uri.https("api.etherscan.io", "/api", {
        "module": "account",
        "action": contractAddress != null ? "tokentx" : "txlist",
        if (contractAddress != null) "contractaddress": contractAddress,
--- a/cw_ethereum/lib/ethereum_transaction_info.dart
+++ b/cw_ethereum/lib/ethereum_transaction_info.dart
@ -1,3 +1,5 @@
+import 'dart:math';
+
 import 'package:cw_core/format_amount.dart';
 import 'package:cw_core/transaction_direction.dart';
 import 'package:cw_core/transaction_info.dart';
@ -34,8 +36,10 @@ class EthereumTransactionInfo extends TransactionInfo {
  final String? to;

  @override
-  String amountFormatted() =>
-      '${formatAmount((ethAmount / BigInt.from(10).pow(exponent)).toString())} $tokenSymbol';
+  String amountFormatted() {
+    final amount = formatAmount((ethAmount / BigInt.from(10).pow(exponent)).toString());
+    return '${amount.substring(0, min(10, amount.length))} $tokenSymbol';
+  }

  @override
  String fiatAmount() => _fiatAmount ?? '';
@ -44,7 +48,10 @@ class EthereumTransactionInfo extends TransactionInfo {
  void changeFiatAmount(String amount) => _fiatAmount = formatAmount(amount);

  @override
-  String feeFormatted() => '${(ethFee / BigInt.from(10).pow(18)).toString()} ETH';
+  String feeFormatted() {
+    final amount = (ethFee / BigInt.from(10).pow(18)).toString();
+    return '${amount.substring(0, min(10, amount.length))} ETH';
+  }

  factory EthereumTransactionInfo.fromJson(Map<String, dynamic> data) {
    return EthereumTransactionInfo(
--- a/cw_ethereum/lib/ethereum_transaction_model.dart
+++ b/cw_ethereum/lib/ethereum_transaction_model.dart
@ -1,3 +1,4 @@
+//! Model used for in parsing transactions fetched using etherscan
 class EthereumTransactionModel {
  final DateTime date;
  final String hash;
--- a/cw_ethereum/lib/pending_ethereum_transaction.dart
+++ b/cw_ethereum/lib/pending_ethereum_transaction.dart
@ -21,8 +21,8 @@ class PendingEthereumTransaction with PendingTransaction {

  @override
  String get amountFormatted {
-    final _amount = BigInt.parse(amount) / BigInt.from(pow(10, exponent));
-    return _amount.toStringAsFixed(min(15, _amount.toString().length));
+    final _amount = (BigInt.parse(amount) / BigInt.from(pow(10, exponent))).toString();
+    return _amount.substring(0, min(10, _amount.length));
  }

  @override
@ -30,8 +30,8 @@ class PendingEthereumTransaction with PendingTransaction {

  @override
  String get feeFormatted {
-    final _fee = fee / BigInt.from(pow(10, 18));
-    return _fee.toStringAsFixed(min(15, _fee.toString().length));
+    final _fee = (fee / BigInt.from(pow(10, 18))).toString();
+    return _fee.substring(0, min(10, _fee.length));
  }

  @override
--- a/cw_monero/ios/Classes/monero_api.cpp
+++ b/cw_monero/ios/Classes/monero_api.cpp
@ -385,6 +385,9 @@ extern "C"
            (uint64_t)restoreHeight,
            std::string(spendKey));

+        // Cache Raw to support Polyseed
+        wallet->setCacheAttribute("cakewallet.seed", std::string(seed));
+
        int status;
        std::string errorString;

@ -396,9 +399,6 @@ extern "C"
            return false;
        }

-        // Cache Raw to support Polyseed
-        wallet->setCacheAttribute("cakewallet.seed", std::string(seed));
-
        change_current_wallet(wallet);
        return true;
    }
--- a/cw_monero/lib/api/wallet_manager.dart
+++ b/cw_monero/lib/api/wallet_manager.dart
@ -1,14 +1,16 @@
 import 'dart:ffi';
-import 'package:ffi/ffi.dart';
-import 'package:flutter/foundation.dart';
+
 import 'package:cw_monero/api/convert_utf8_to_string.dart';
-import 'package:cw_monero/api/signatures.dart';
-import 'package:cw_monero/api/types.dart';
-import 'package:cw_monero/api/monero_api.dart';
-import 'package:cw_monero/api/exceptions/wallet_opening_exception.dart';
 import 'package:cw_monero/api/exceptions/wallet_creation_exception.dart';
+import 'package:cw_monero/api/exceptions/wallet_opening_exception.dart';
 import 'package:cw_monero/api/exceptions/wallet_restore_from_keys_exception.dart';
 import 'package:cw_monero/api/exceptions/wallet_restore_from_seed_exception.dart';
+import 'package:cw_monero/api/monero_api.dart';
+import 'package:cw_monero/api/signatures.dart';
+import 'package:cw_monero/api/types.dart';
+import 'package:cw_monero/api/wallet.dart';
+import 'package:ffi/ffi.dart';
+import 'package:flutter/foundation.dart';

 final createWalletNative = moneroApi
    .lookup<NativeFunction<create_wallet>>('create_wallet')
@ -175,6 +177,8 @@ void restoreWalletFromSpendKeySync(
  calloc.free(languagePointer);
  calloc.free(spendKeyPointer);

+  storeSync();
+
  if (!isWalletRestored) {
    throw WalletRestoreFromKeysException(
        message: convertUTF8ToString(pointer: errorMessagePointer));
--- a/cw_monero/lib/monero_wallet_service.dart
+++ b/cw_monero/lib/monero_wallet_service.dart
@ -77,8 +77,12 @@ class MoneroWalletService extends WalletService<
        final polyseed = Polyseed.create();
        final lang = PolyseedLang.getByEnglishName(credentials.language);

+        final heightOverride =
+            getMoneroHeigthByDate(date: DateTime.now().subtract(Duration(days: 2)));
+
        return _restoreFromPolyseed(
-            path, credentials.password!, polyseed, credentials.walletInfo!, lang);
+            path, credentials.password!, polyseed, credentials.walletInfo!, lang,
+            overrideHeight: heightOverride);
      }

      await monero_wallet_manager.createWallet(
@ -268,10 +272,11 @@ class MoneroWalletService extends WalletService<

  Future<MoneroWallet> _restoreFromPolyseed(String path, String password, Polyseed polyseed,
      WalletInfo walletInfo, PolyseedLang lang,
-      {PolyseedCoin coin = PolyseedCoin.POLYSEED_MONERO}) async {
-    final height = getMoneroHeigthByDate(
+      {PolyseedCoin coin = PolyseedCoin.POLYSEED_MONERO, int? overrideHeight}) async {
+    final height = overrideHeight ?? getMoneroHeigthByDate(
        date: DateTime.fromMillisecondsSinceEpoch(polyseed.birthday * 1000));
    final spendKey = keyToHexString(polyseed.generateKey(coin, 32));
+    final seed = polyseed.encode(lang, coin);

    walletInfo.isRecovery = true;
    walletInfo.restoreHeight = height;
@ -279,10 +284,11 @@ class MoneroWalletService extends WalletService<
    await monero_wallet_manager.restoreFromSpendKey(
        path: path,
        password: password,
-        seed: polyseed.encode(lang, coin),
+        seed: seed,
        language: lang.nameEnglish,
        restoreHeight: height,
        spendKey: spendKey);
+
    final wallet = MoneroWallet(
        walletInfo: walletInfo, unspentCoinsInfo: unspentCoinsInfoSource);
    await wallet.init();
--- a/cw_monero/macos/Classes/monero_api.cpp
+++ b/cw_monero/macos/Classes/monero_api.cpp
@ -385,6 +385,9 @@ extern "C"
            (uint64_t)restoreHeight,
            std::string(spendKey));

+        // Cache Raw to support Polyseed
+        wallet->setCacheAttribute("cakewallet.seed", std::string(seed));
+
        int status;
        std::string errorString;

@ -396,9 +399,6 @@ extern "C"
            return false;
        }

-        // Cache Raw to support Polyseed
-        wallet->setCacheAttribute("cakewallet.seed", std::string(seed));
-
        change_current_wallet(wallet);
        return true;
    }
--- a/cw_polygon/.gitignore
+++ b/cw_polygon/.gitignore
@ -0,0 +1,30 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/
--- a/cw_polygon/.metadata
+++ b/cw_polygon/.metadata
@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: f468f3366c26a5092eb964a230ce7892fda8f2f8
+  channel: stable
+
+project_type: package
--- a/cw_polygon/CHANGELOG.md
+++ b/cw_polygon/CHANGELOG.md
@ -0,0 +1,3 @@
+## 0.0.1
+
+* TODO: Describe initial release.
--- a/cw_polygon/LICENSE
+++ b/cw_polygon/LICENSE
@ -0,0 +1 @@
+TODO: Add your license here.
--- a/cw_polygon/README.md
+++ b/cw_polygon/README.md
@ -0,0 +1,39 @@
+<!--
+This README describes the package. If you publish this package to pub.dev,
+this README's contents appear on the landing page for your package.
+
+For information about how to write a good package README, see the guide for
+[writing package pages](https://dart.dev/guides/libraries/writing-package-pages).
+
+For general information about developing packages, see the Dart guide for
+[creating packages](https://dart.dev/guides/libraries/create-library-packages)
+and the Flutter guide for
+[developing packages and plugins](https://flutter.dev/developing-packages).
+-->
+
+TODO: Put a short description of the package here that helps potential users
+know whether this package might be useful for them.
+
+## Features
+
+TODO: List what your package can do. Maybe include images, gifs, or videos.
+
+## Getting started
+
+TODO: List prerequisites and provide or point to information on how to
+start using the package.
+
+## Usage
+
+TODO: Include short and useful examples for package users. Add longer examples
+to `/example` folder.
+
+```dart
+const like = 'sample';
+```
+
+## Additional information
+
+TODO: Tell users more about the package: where to find more information, how to
+contribute to the package, how to file issues, what response they can expect
+from the package authors, and more.
--- a/cw_polygon/analysis_options.yaml
+++ b/cw_polygon/analysis_options.yaml
@ -0,0 +1,4 @@
+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
--- a/cw_polygon/lib/cw_polygon.dart
+++ b/cw_polygon/lib/cw_polygon.dart
@ -0,0 +1,7 @@
+library cw_polygon;
+
+/// A Calculator.
+class Calculator {
+  /// Returns [value] plus 1.
+  int addOne(int value) => value + 1;
+}
--- a/cw_polygon/lib/default_erc20_tokens.dart
+++ b/cw_polygon/lib/default_erc20_tokens.dart
@ -0,0 +1,86 @@
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_core/erc20_token.dart';
+
+class DefaultPolygonErc20Tokens {
+  final List<Erc20Token> _defaultTokens = [
+    Erc20Token(
+      name: "Wrapped Ether",
+      symbol: "WETH",
+      contractAddress: "0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619",
+      decimal: 18,
+      enabled: false,
+    ),
+    Erc20Token(
+      name: "Tether USD (PoS)",
+      symbol: "USDT",
+      contractAddress: "0xc2132D05D31c914a87C6611C10748AEb04B58e8F",
+      decimal: 6,
+      enabled: true,
+    ),
+    Erc20Token(
+      name: "USD Coin",
+      symbol: "USDC",
+      contractAddress: "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
+      decimal: 6,
+      enabled: true,
+    ),
+    Erc20Token(
+      name: "USD Coin (POS)",
+      symbol: "USDC.e",
+      contractAddress: "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174",
+      decimal: 6,
+      enabled: false,
+    ),
+    Erc20Token(
+      name: "Avalanche Token",
+      symbol: "AVAX",
+      contractAddress: "0x2C89bbc92BD86F8075d1DEcc58C7F4E0107f286b",
+      decimal: 18,
+      enabled: false,
+    ),
+    Erc20Token(
+      name: "Wrapped BTC (PoS)",
+      symbol: "WBTC",
+      contractAddress: "0x1BFD67037B42Cf73acF2047067bd4F2C47D9BfD6",
+      decimal: 8,
+      enabled: false,
+    ),
+    Erc20Token(
+      name: "Dai (PoS)",
+      symbol: "DAI",
+      contractAddress: "0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063",
+      decimal: 18,
+      enabled: true,
+    ),
+    Erc20Token(
+      name: "SHIBA INU (PoS)",
+      symbol: "SHIB",
+      contractAddress: "0x6f8a06447Ff6FcF75d803135a7de15CE88C1d4ec",
+      decimal: 18,
+      enabled: false,
+    ),
+    Erc20Token(
+      name: "Uniswap (PoS)",
+      symbol: "UNI",
+      contractAddress: "0xb33EaAd8d922B1083446DC23f610c2567fB5180f",
+      decimal: 18,
+      enabled: false,
+    ),
+  ];
+
+  List<Erc20Token> get initialPolygonErc20Tokens => _defaultTokens.map((token) {
+        String? iconPath;
+        try {
+          iconPath = CryptoCurrency.all
+              .firstWhere((element) =>
+                  element.title.toUpperCase() == token.symbol.toUpperCase())
+              .iconPath;
+        } catch (_) {}
+
+        if (iconPath != null) {
+          return Erc20Token.copyWith(token, iconPath);
+        }
+
+        return token;
+      }).toList();
+}
--- a/cw_polygon/lib/pending_polygon_transaction.dart
+++ b/cw_polygon/lib/pending_polygon_transaction.dart
@ -0,0 +1,19 @@
+import 'dart:typed_data';
+
+import 'package:cw_ethereum/pending_ethereum_transaction.dart';
+
+class PendingPolygonTransaction extends PendingEthereumTransaction {
+  PendingPolygonTransaction({
+    required Function sendTransaction,
+    required Uint8List signedTransaction,
+    required BigInt fee,
+    required String amount,
+    required int exponent,
+  }) : super(
+          amount: amount,
+          sendTransaction: sendTransaction,
+          signedTransaction: signedTransaction,
+          fee: fee,
+          exponent: exponent,
+        );
+}
--- a/cw_polygon/lib/polygon_client.dart
+++ b/cw_polygon/lib/polygon_client.dart
@ -0,0 +1,34 @@
+import 'dart:convert';
+
+import 'package:cw_ethereum/ethereum_client.dart';
+import 'package:cw_polygon/polygon_transaction_model.dart';
+import 'package:cw_ethereum/.secrets.g.dart' as secrets;
+
+class PolygonClient extends EthereumClient {
+  @override
+  Future<List<PolygonTransactionModel>> fetchTransactions(String address,
+      {String? contractAddress}) async {
+    try {
+      final response = await httpClient.get(Uri.https("api.polygonscan.com", "/api", {
+        "module": "account",
+        "action": contractAddress != null ? "tokentx" : "txlist",
+        if (contractAddress != null) "contractaddress": contractAddress,
+        "address": address,
+        "apikey": secrets.polygonScanApiKey,
+      }));
+
+      final jsonResponse = json.decode(response.body) as Map<String, dynamic>;
+
+      if (response.statusCode >= 200 && response.statusCode < 300 && jsonResponse['status'] != 0) {
+        return (jsonResponse['result'] as List)
+            .map((e) => PolygonTransactionModel.fromJson(e as Map<String, dynamic>))
+            .toList();
+      }
+
+      return [];
+    } catch (e) {
+      print(e);
+      return [];
+    }
+  }
+}
--- a/cw_polygon/lib/polygon_exceptions.dart
+++ b/cw_polygon/lib/polygon_exceptions.dart
@ -0,0 +1,6 @@
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_ethereum/ethereum_exceptions.dart';
+
+class PolygonTransactionCreationException extends EthereumTransactionCreationException {
+  PolygonTransactionCreationException(CryptoCurrency currency) : super(currency);
+}
--- a/cw_polygon/lib/polygon_formatter.dart
+++ b/cw_polygon/lib/polygon_formatter.dart
@ -0,0 +1,25 @@
+import 'package:intl/intl.dart';
+
+const polygonAmountLength = 12;
+const polygonAmountDivider = 1000000000000;
+final polygonAmountFormat = NumberFormat()
+  ..maximumFractionDigits = polygonAmountLength
+  ..minimumFractionDigits = 1;
+
+class PolygonFormatter {
+  static int parsePolygonAmount(String amount) {
+    try {
+      return (double.parse(amount) * polygonAmountDivider).round();
+    } catch (_) {
+      return 0;
+    }
+  }
+
+  static double parsePolygonAmountToDouble(int amount) {
+    try {
+      return amount / polygonAmountDivider;
+    } catch (_) {
+      return 0;
+    }
+  }
+}
--- a/cw_polygon/lib/polygon_mnemonics_exception.dart
+++ b/cw_polygon/lib/polygon_mnemonics_exception.dart
@ -0,0 +1,5 @@
+class PolygonMnemonicIsIncorrectException implements Exception {
+  @override
+  String toString() =>
+      'Polygon mnemonic has incorrect format. Mnemonic should contain 12 or 24 words separated by space.';
+}
--- a/cw_polygon/lib/polygon_transaction_credentials.dart
+++ b/cw_polygon/lib/polygon_transaction_credentials.dart
@ -0,0 +1,18 @@
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_core/output_info.dart';
+import 'package:cw_ethereum/ethereum_transaction_credentials.dart';
+import 'package:cw_polygon/polygon_transaction_priority.dart';
+
+class PolygonTransactionCredentials extends EthereumTransactionCredentials {
+  PolygonTransactionCredentials(
+    List<OutputInfo> outputs, {
+    required PolygonTransactionPriority? priority,
+    required CryptoCurrency currency,
+    final int? feeRate,
+  }) : super(
+          outputs,
+          currency: currency,
+          priority: priority,
+          feeRate: feeRate,
+        );
+}
--- a/cw_polygon/lib/polygon_transaction_history.dart
+++ b/cw_polygon/lib/polygon_transaction_history.dart
@ -0,0 +1,77 @@
+import 'dart:convert';
+import 'dart:core';
+import 'package:cw_core/pathForWallet.dart';
+import 'package:cw_core/wallet_info.dart';
+import 'package:cw_ethereum/file.dart';
+import 'package:cw_polygon/polygon_transaction_info.dart';
+import 'package:mobx/mobx.dart';
+import 'package:cw_core/transaction_history.dart';
+
+part 'polygon_transaction_history.g.dart';
+
+const transactionsHistoryFileName = 'polygon_transactions.json';
+
+class PolygonTransactionHistory = PolygonTransactionHistoryBase with _$PolygonTransactionHistory;
+
+abstract class PolygonTransactionHistoryBase extends TransactionHistoryBase<PolygonTransactionInfo>
+    with Store {
+  PolygonTransactionHistoryBase({required this.walletInfo, required String password})
+      : _password = password {
+    transactions = ObservableMap<String, PolygonTransactionInfo>();
+  }
+
+  final WalletInfo walletInfo;
+  String _password;
+
+  Future<void> init() async => await _load();
+
+  @override
+  Future<void> save() async {
+    try {
+      final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
+      final path = '$dirPath/$transactionsHistoryFileName';
+      final data = json.encode({'transactions': transactions});
+      await writeData(path: path, password: _password, data: data);
+    } catch (e, s) {
+      print('Error while saving polygon  transaction history: ${e.toString()}');
+      print(s);
+    }
+  }
+
+  @override
+  void addOne(PolygonTransactionInfo transaction) => transactions[transaction.id] = transaction;
+
+  @override
+  void addMany(Map<String, PolygonTransactionInfo> transactions) =>
+      this.transactions.addAll(transactions);
+
+  Future<Map<String, dynamic>> _read() async {
+    final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
+    final path = '$dirPath/$transactionsHistoryFileName';
+    final content = await read(path: path, password: _password);
+    if (content.isEmpty) {
+      return {};
+    }
+    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 = PolygonTransactionInfo.fromJson(val);
+          _update(tx);
+        }
+      });
+    } catch (e) {
+      print(e);
+    }
+  }
+
+  void _update(PolygonTransactionInfo transaction) => transactions[transaction.id] = transaction;
+}
--- a/cw_polygon/lib/polygon_transaction_info.dart
+++ b/cw_polygon/lib/polygon_transaction_info.dart
@ -0,0 +1,49 @@
+import 'package:cw_core/transaction_direction.dart';
+import 'package:cw_ethereum/ethereum_transaction_info.dart';
+
+class PolygonTransactionInfo extends EthereumTransactionInfo {
+  PolygonTransactionInfo({
+    required String id,
+    required int height,
+    required BigInt ethAmount,
+    int exponent = 18,
+    required TransactionDirection direction,
+    required DateTime date,
+    required bool isPending,
+    required BigInt ethFee,
+    required int confirmations,
+    String tokenSymbol = "MATIC",
+    required String? to,
+  }) : super(
+          confirmations: confirmations,
+          id: id,
+          height: height,
+          ethAmount: ethAmount,
+          exponent: exponent,
+          direction: direction,
+          date: date,
+          isPending: isPending,
+          ethFee: ethFee,
+          to: to,
+          tokenSymbol: tokenSymbol,
+        );
+
+  factory PolygonTransactionInfo.fromJson(Map<String, dynamic> data) {
+    return PolygonTransactionInfo(
+      id: data['id'] as String,
+      height: data['height'] as int,
+      ethAmount: BigInt.parse(data['amount']),
+      exponent: data['exponent'] as int,
+      ethFee: BigInt.parse(data['fee']),
+      direction: parseTransactionDirectionFromInt(data['direction'] as int),
+      date: DateTime.fromMillisecondsSinceEpoch(data['date'] as int),
+      isPending: data['isPending'] as bool,
+      confirmations: data['confirmations'] as int,
+      tokenSymbol: data['tokenSymbol'] as String,
+      to: data['to'],
+    );
+  }
+
+  @override
+  String feeFormatted() => '${(ethFee / BigInt.from(10).pow(18)).toString()} MATIC';
+}
--- a/cw_polygon/lib/polygon_transaction_model.dart
+++ b/cw_polygon/lib/polygon_transaction_model.dart
@ -0,0 +1,49 @@
+import 'package:cw_ethereum/ethereum_transaction_model.dart';
+
+class PolygonTransactionModel extends EthereumTransactionModel {
+  PolygonTransactionModel({
+    required DateTime date,
+    required String hash,
+    required String from,
+    required String to,
+    required BigInt amount,
+    required int gasUsed,
+    required BigInt gasPrice,
+    required String contractAddress,
+    required int confirmations,
+    required int blockNumber,
+    required String? tokenSymbol,
+    required int? tokenDecimal,
+    required bool isError,
+  }) : super(
+          amount: amount,
+          date: date,
+          hash: hash,
+          from: from,
+          to: to,
+          gasPrice: gasPrice,
+          gasUsed: gasUsed,
+          confirmations: confirmations,
+          contractAddress: contractAddress,
+          blockNumber: blockNumber,
+          tokenDecimal: tokenDecimal,
+          tokenSymbol: tokenSymbol,
+          isError: isError,
+        );
+
+  factory PolygonTransactionModel.fromJson(Map<String, dynamic> json) => PolygonTransactionModel(
+        date: DateTime.fromMillisecondsSinceEpoch(int.parse(json["timeStamp"]) * 1000),
+        hash: json["hash"],
+        from: json["from"],
+        to: json["to"],
+        amount: BigInt.parse(json["value"]),
+        gasUsed: int.parse(json["gasUsed"]),
+        gasPrice: BigInt.parse(json["gasPrice"]),
+        contractAddress: json["contractAddress"],
+        confirmations: int.parse(json["confirmations"]),
+        blockNumber: int.parse(json["blockNumber"]),
+        tokenSymbol: json["tokenSymbol"] ?? "MATIC",
+        tokenDecimal: int.tryParse(json["tokenDecimal"] ?? ""),
+        isError: json["isError"] == "1",
+      );
+}
--- a/cw_polygon/lib/polygon_transaction_priority.dart
+++ b/cw_polygon/lib/polygon_transaction_priority.dart
@ -0,0 +1,51 @@
+import 'package:cw_ethereum/ethereum_transaction_priority.dart';
+
+class PolygonTransactionPriority extends EthereumTransactionPriority {
+  const PolygonTransactionPriority({required String title, required int raw, required int tip})
+      : super(title: title, raw: raw, tip: tip);
+
+  static const List<PolygonTransactionPriority> all = [fast, medium, slow];
+  static const PolygonTransactionPriority slow =
+      PolygonTransactionPriority(title: 'slow', raw: 0, tip: 1);
+  static const PolygonTransactionPriority medium =
+      PolygonTransactionPriority(title: 'Medium', raw: 1, tip: 2);
+  static const PolygonTransactionPriority fast =
+      PolygonTransactionPriority(title: 'Fast', raw: 2, tip: 4);
+
+  static PolygonTransactionPriority deserialize({required int raw}) {
+    switch (raw) {
+      case 0:
+        return slow;
+      case 1:
+        return medium;
+      case 2:
+        return fast;
+      default:
+        throw Exception('Unexpected token: $raw for PolygonTransactionPriority deserialize');
+    }
+  }
+
+  @override
+  String get units => 'gas';
+
+  @override
+  String toString() {
+    var label = '';
+
+    switch (this) {
+      case PolygonTransactionPriority.slow:
+        label = 'Slow';
+        break;
+      case PolygonTransactionPriority.medium:
+        label = 'Medium';
+        break;
+      case PolygonTransactionPriority.fast:
+        label = 'Fast';
+        break;
+      default:
+        break;
+    }
+
+    return label;
+  }
+}
--- a/cw_polygon/lib/polygon_wallet.dart
+++ b/cw_polygon/lib/polygon_wallet.dart
@ -0,0 +1,540 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+import 'dart:math';
+
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_core/cake_hive.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_addresses.dart';
+import 'package:cw_core/wallet_base.dart';
+import 'package:cw_core/wallet_info.dart';
+import 'package:cw_ethereum/erc20_balance.dart';
+import 'package:cw_ethereum/ethereum_formatter.dart';
+import 'package:cw_ethereum/ethereum_transaction_model.dart';
+import 'package:cw_ethereum/file.dart';
+import 'package:cw_core/erc20_token.dart';
+import 'package:cw_polygon/default_erc20_tokens.dart';
+import 'package:cw_polygon/polygon_client.dart';
+import 'package:cw_polygon/polygon_exceptions.dart';
+import 'package:cw_polygon/polygon_formatter.dart';
+import 'package:cw_polygon/polygon_transaction_credentials.dart';
+import 'package:cw_polygon/polygon_transaction_history.dart';
+import 'package:cw_polygon/polygon_transaction_info.dart';
+import 'package:cw_polygon/polygon_transaction_model.dart';
+import 'package:cw_polygon/polygon_transaction_priority.dart';
+import 'package:cw_polygon/polygon_wallet_addresses.dart';
+import 'package:hive/hive.dart';
+import 'package:hex/hex.dart';
+import 'package:mobx/mobx.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:web3dart/crypto.dart';
+import 'package:web3dart/web3dart.dart';
+import 'package:bip39/bip39.dart' as bip39;
+import 'package:bip32/bip32.dart' as bip32;
+
+part 'polygon_wallet.g.dart';
+
+class PolygonWallet = PolygonWalletBase with _$PolygonWallet;
+
+abstract class PolygonWalletBase extends WalletBase<ERC20Balance,
+    PolygonTransactionHistory, PolygonTransactionInfo> with Store {
+  PolygonWalletBase({
+    required WalletInfo walletInfo,
+    String? mnemonic,
+    String? privateKey,
+    required String password,
+    ERC20Balance? initialBalance,
+  })  : syncStatus = NotConnectedSyncStatus(),
+        _password = password,
+        _mnemonic = mnemonic,
+        _hexPrivateKey = privateKey,
+        _isTransactionUpdating = false,
+        _client = PolygonClient(),
+        walletAddresses = PolygonWalletAddresses(walletInfo),
+        balance = ObservableMap<CryptoCurrency, ERC20Balance>.of({
+          CryptoCurrency.maticpoly: initialBalance ?? ERC20Balance(BigInt.zero)
+        }),
+        super(walletInfo) {
+    this.walletInfo = walletInfo;
+    transactionHistory =
+        PolygonTransactionHistory(walletInfo: walletInfo, password: password);
+
+    if (!CakeHive.isAdapterRegistered(Erc20Token.typeId)) {
+      CakeHive.registerAdapter(Erc20TokenAdapter());
+    }
+
+    _sharedPrefs.complete(SharedPreferences.getInstance());
+  }
+
+  final String? _mnemonic;
+  final String? _hexPrivateKey;
+  final String _password;
+
+  late final Box<Erc20Token> polygonErc20TokensBox;
+
+  late final EthPrivateKey _polygonPrivateKey;
+
+  EthPrivateKey get polygonPrivateKey => _polygonPrivateKey;
+
+  late PolygonClient _client;
+
+  int? _gasPrice;
+  int? _estimatedGas;
+  bool _isTransactionUpdating;
+
+  // TODO: remove after integrating our own node and having eth_newPendingTransactionFilter
+  Timer? _transactionsUpdateTimer;
+
+  @override
+  WalletAddresses walletAddresses;
+
+  @override
+  @observable
+  SyncStatus syncStatus;
+
+  @override
+  @observable
+  late ObservableMap<CryptoCurrency, ERC20Balance> balance;
+
+  Completer<SharedPreferences> _sharedPrefs = Completer();
+
+  Future<void> init() async {
+    polygonErc20TokensBox =
+        await CakeHive.openBox<Erc20Token>(Erc20Token.polygonBoxName);
+    await walletAddresses.init();
+    await transactionHistory.init();
+    _polygonPrivateKey = await getPrivateKey(
+      mnemonic: _mnemonic,
+      privateKey: _hexPrivateKey,
+      password: _password,
+    );
+    walletAddresses.address = _polygonPrivateKey.address.toString();
+    await save();
+  }
+
+  @override
+  int calculateEstimatedFee(TransactionPriority priority, int? amount) {
+    try {
+      if (priority is PolygonTransactionPriority) {
+        final priorityFee =
+            EtherAmount.fromInt(EtherUnit.gwei, priority.tip).getInWei.toInt();
+        return (_gasPrice! + priorityFee) * (_estimatedGas ?? 0);
+      }
+
+      return 0;
+    } catch (e) {
+      return 0;
+    }
+  }
+
+  @override
+  Future<void> changePassword(String password) {
+    throw UnimplementedError("changePassword");
+  }
+
+  @override
+  void close() {
+    _client.stop();
+    _transactionsUpdateTimer?.cancel();
+  }
+
+  @action
+  @override
+  Future<void> connectToNode({required Node node}) async {
+    try {
+      syncStatus = ConnectingSyncStatus();
+
+      final isConnected = _client.connect(node);
+
+      if (!isConnected) {
+        throw Exception("Polygon Node connection failed");
+      }
+
+      _client.setListeners(_polygonPrivateKey.address, _onNewTransaction);
+
+      _setTransactionUpdateTimer();
+
+      syncStatus = ConnectedSyncStatus();
+    } catch (e) {
+      syncStatus = FailedSyncStatus();
+    }
+  }
+
+  @override
+  Future<PendingTransaction> createTransaction(Object credentials) async {
+    final _credentials = credentials as PolygonTransactionCredentials;
+    final outputs = _credentials.outputs;
+    final hasMultiDestination = outputs.length > 1;
+
+    final CryptoCurrency transactionCurrency = balance.keys
+        .firstWhere((element) => element.title == _credentials.currency.title);
+
+    final _erc20Balance = balance[transactionCurrency]!;
+    BigInt totalAmount = BigInt.zero;
+    int exponent =
+        transactionCurrency is Erc20Token ? transactionCurrency.decimal : 18;
+    num amountToPolygonMultiplier = pow(10, exponent);
+
+    // so far this can not be made with Polygon as Polygon does not support multiple recipients
+    if (hasMultiDestination) {
+      if (outputs.any(
+          (item) => item.sendAll || (item.formattedCryptoAmount ?? 0) <= 0)) {
+        throw PolygonTransactionCreationException(transactionCurrency);
+      }
+
+      final totalOriginalAmount = PolygonFormatter.parsePolygonAmountToDouble(
+          outputs.fold(
+              0, (acc, value) => acc + (value.formattedCryptoAmount ?? 0)));
+      totalAmount =
+          BigInt.from(totalOriginalAmount * amountToPolygonMultiplier);
+
+      if (_erc20Balance.balance < totalAmount) {
+        throw PolygonTransactionCreationException(transactionCurrency);
+      }
+    } else {
+      final output = outputs.first;
+      // since the fees are taken from Ethereum
+      // then no need to subtract the fees from the amount if send all
+      final BigInt allAmount;
+      if (transactionCurrency is Erc20Token) {
+        allAmount = _erc20Balance.balance;
+      } else {
+        allAmount = _erc20Balance.balance -
+            BigInt.from(calculateEstimatedFee(_credentials.priority!, null));
+      }
+      final totalOriginalAmount = EthereumFormatter.parseEthereumAmountToDouble(
+          output.formattedCryptoAmount ?? 0);
+      totalAmount = output.sendAll
+          ? allAmount
+          : BigInt.from(totalOriginalAmount * amountToPolygonMultiplier);
+
+      if (_erc20Balance.balance < totalAmount) {
+        throw PolygonTransactionCreationException(transactionCurrency);
+      }
+    }
+
+    final pendingPolygonTransaction = await _client.signTransaction(
+      privateKey: _polygonPrivateKey,
+      toAddress: _credentials.outputs.first.isParsedAddress
+          ? _credentials.outputs.first.extractedAddress!
+          : _credentials.outputs.first.address,
+      amount: totalAmount.toString(),
+      gas: _estimatedGas!,
+      priority: _credentials.priority!,
+      currency: transactionCurrency,
+      exponent: exponent,
+      contractAddress: transactionCurrency is Erc20Token
+          ? transactionCurrency.contractAddress
+          : null,
+    );
+
+    return pendingPolygonTransaction;
+  }
+
+  Future<void> _updateTransactions() async {
+    try {
+      if (_isTransactionUpdating) {
+        return;
+      }
+      bool isPolygonScanEnabled = (await _sharedPrefs.future).getBool("use_polygonscan") ?? true;
+      if (!isPolygonScanEnabled) {
+        return;
+      }
+
+      _isTransactionUpdating = true;
+      final transactions = await fetchTransactions();
+      transactionHistory.addMany(transactions);
+      await transactionHistory.save();
+      _isTransactionUpdating = false;
+    } catch (_) {
+      _isTransactionUpdating = false;
+    }
+  }
+
+  @override
+  Future<Map<String, PolygonTransactionInfo>> fetchTransactions() async {
+    final address = _polygonPrivateKey.address.hex;
+    final transactions = await _client.fetchTransactions(address);
+
+    final List<Future<List<PolygonTransactionModel>>> polygonErc20TokensTransactions =
+        [];
+
+    for (var token in balance.keys) {
+      if (token is Erc20Token) {
+        polygonErc20TokensTransactions.add(_client.fetchTransactions(
+          address,
+          contractAddress: token.contractAddress,
+        ) as Future<List<PolygonTransactionModel>>);
+      }
+    }
+
+    final tokensTransaction = await Future.wait(polygonErc20TokensTransactions);
+    transactions.addAll(tokensTransaction.expand((element) => element));
+
+    final Map<String, PolygonTransactionInfo> result = {};
+
+    for (var transactionModel in transactions) {
+      if (transactionModel.isError) {
+        continue;
+      }
+
+      result[transactionModel.hash] = PolygonTransactionInfo(
+        id: transactionModel.hash,
+        height: transactionModel.blockNumber,
+        ethAmount: transactionModel.amount,
+        direction: transactionModel.from == address
+            ? TransactionDirection.outgoing
+            : TransactionDirection.incoming,
+        isPending: false,
+        date: transactionModel.date,
+        confirmations: transactionModel.confirmations,
+        ethFee:
+            BigInt.from(transactionModel.gasUsed) * transactionModel.gasPrice,
+        exponent: transactionModel.tokenDecimal ?? 18,
+        tokenSymbol: transactionModel.tokenSymbol ?? "MATIC",
+        to: transactionModel.to,
+      );
+    }
+
+    return result;
+  }
+
+  @override
+  Object get keys => throw UnimplementedError("keys");
+
+  @override
+  Future<void> rescan({required int height}) {
+    throw UnimplementedError("rescan");
+  }
+
+  @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;
+
+  @override
+  String get privateKey => HEX.encode(_polygonPrivateKey.privateKey);
+
+  @action
+  @override
+  Future<void> startSync() async {
+    try {
+      syncStatus = AttemptingSyncStatus();
+      await _updateBalance();
+      await _updateTransactions();
+      _gasPrice = await _client.getGasUnitPrice();
+      _estimatedGas = await _client.getEstimatedGas();
+
+      Timer.periodic(const Duration(minutes: 1),
+          (timer) async => _gasPrice = await _client.getGasUnitPrice());
+      Timer.periodic(const Duration(seconds: 10),
+          (timer) async => _estimatedGas = await _client.getEstimatedGas());
+
+      syncStatus = SyncedSyncStatus();
+    } catch (e) {
+      syncStatus = FailedSyncStatus();
+    }
+  }
+
+  Future<String> makePath() async =>
+      pathForWallet(name: walletInfo.name, type: walletInfo.type);
+
+  String toJSON() => json.encode({
+        'mnemonic': _mnemonic,
+        'private_key': privateKey,
+        'balance': balance[currency]!.toJSON(),
+      });
+
+  static Future<PolygonWallet> 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 privateKey = data['private_key'] as String?;
+    final balance = ERC20Balance.fromJSON(data['balance'] as String) ??
+        ERC20Balance(BigInt.zero);
+
+    return PolygonWallet(
+      walletInfo: walletInfo,
+      password: password,
+      mnemonic: mnemonic,
+      privateKey: privateKey,
+      initialBalance: balance,
+    );
+  }
+
+  Future<void> _updateBalance() async {
+    balance[currency] = await _fetchMaticBalance();
+
+    await _fetchErc20Balances();
+    await save();
+  }
+
+  Future<ERC20Balance> _fetchMaticBalance() async {
+    final balance = await _client.getBalance(_polygonPrivateKey.address);
+    return ERC20Balance(balance.getInWei);
+  }
+
+  Future<void> _fetchErc20Balances() async {
+    for (var token in polygonErc20TokensBox.values) {
+      try {
+        if (token.enabled) {
+          balance[token] = await _client.fetchERC20Balances(
+            _polygonPrivateKey.address,
+            token.contractAddress,
+          );
+        } else {
+          balance.remove(token);
+        }
+      } catch (_) {}
+    }
+  }
+
+  Future<EthPrivateKey> getPrivateKey(
+      {String? mnemonic, String? privateKey, required String password}) async {
+    assert(mnemonic != null || privateKey != null);
+
+    if (privateKey != null) {
+      return EthPrivateKey.fromHex(privateKey);
+    }
+
+    final seed = bip39.mnemonicToSeed(mnemonic!);
+
+    final root = bip32.BIP32.fromSeed(seed);
+
+    const _hdPathPolygon = "m/44'/60'/0'/0";
+    const index = 0;
+    final addressAtIndex = root.derivePath("$_hdPathPolygon/$index");
+
+    return EthPrivateKey.fromHex(
+        HEX.encode(addressAtIndex.privateKey as List<int>));
+  }
+
+  Future<void>? updateBalance() async => await _updateBalance();
+
+  List<Erc20Token> get erc20Currencies => polygonErc20TokensBox.values.toList();
+
+  Future<void> addErc20Token(Erc20Token token) async {
+    String? iconPath;
+    try {
+      iconPath = CryptoCurrency.all
+          .firstWhere((element) =>
+              element.title.toUpperCase() == token.symbol.toUpperCase())
+          .iconPath;
+    } catch (_) {}
+
+    final _token = Erc20Token(
+      name: token.name,
+      symbol: token.symbol,
+      contractAddress: token.contractAddress,
+      decimal: token.decimal,
+      enabled: token.enabled,
+      iconPath: iconPath,
+    );
+
+    await polygonErc20TokensBox.put(_token.contractAddress, _token);
+
+    if (_token.enabled) {
+      balance[_token] = await _client.fetchERC20Balances(
+        _polygonPrivateKey.address,
+        _token.contractAddress,
+      );
+    } else {
+      balance.remove(_token);
+    }
+  }
+
+  Future<void> deleteErc20Token(Erc20Token token) async {
+    await token.delete();
+
+    balance.remove(token);
+    _updateBalance();
+  }
+
+  Future<Erc20Token?> getErc20Token(String contractAddress) async =>
+      await _client.getErc20Token(contractAddress);
+
+  void _onNewTransaction() {
+    _updateBalance();
+    _updateTransactions();
+  }
+
+  void addInitialTokens() {
+    final initialErc20Tokens =
+        DefaultPolygonErc20Tokens().initialPolygonErc20Tokens;
+
+    for (var token in initialErc20Tokens) {
+      polygonErc20TokensBox.put(token.contractAddress, token);
+    }
+  }
+
+  @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);
+  }
+
+  void _setTransactionUpdateTimer() {
+    if (_transactionsUpdateTimer?.isActive ?? false) {
+      _transactionsUpdateTimer!.cancel();
+    }
+
+    _transactionsUpdateTimer = Timer.periodic(Duration(seconds: 10), (_) {
+      _updateTransactions();
+      _updateBalance();
+    });
+  }
+
+  void updatePolygonScanUsageState(bool isEnabled) {
+    if (isEnabled) {
+      _updateTransactions();
+      _setTransactionUpdateTimer();
+    } else {
+      _transactionsUpdateTimer?.cancel();
+    }
+  }
+
+  @override
+  String signMessage(String message, {String? address = null}) => bytesToHex(
+      _polygonPrivateKey.signPersonalMessageToUint8List(ascii.encode(message)));
+
+  Web3Client? getWeb3Client() => _client.getWeb3Client();
+}
--- a/cw_polygon/lib/polygon_wallet_addresses.dart
+++ b/cw_polygon/lib/polygon_wallet_addresses.dart
@ -0,0 +1,5 @@
+import 'package:cw_ethereum/ethereum_wallet_addresses.dart';
+
+class PolygonWalletAddresses extends EthereumWalletAddresses {
+  PolygonWalletAddresses(super.walletInfo);
+}
--- a/cw_polygon/lib/polygon_wallet_creation_credentials.dart
+++ b/cw_polygon/lib/polygon_wallet_creation_credentials.dart
@ -0,0 +1,28 @@
+import 'package:cw_core/wallet_credentials.dart';
+import 'package:cw_core/wallet_info.dart';
+class PolygonNewWalletCredentials extends WalletCredentials {
+  PolygonNewWalletCredentials({required String name, WalletInfo? walletInfo})
+      : super(name: name, walletInfo: walletInfo);
+}
+
+class PolygonRestoreWalletFromSeedCredentials extends WalletCredentials {
+  PolygonRestoreWalletFromSeedCredentials(
+      {required String name,
+      required String password,
+      required this.mnemonic,
+      WalletInfo? walletInfo})
+      : super(name: name, password: password, walletInfo: walletInfo);
+
+  final String mnemonic;
+}
+
+class PolygonRestoreWalletFromPrivateKey extends WalletCredentials {
+  PolygonRestoreWalletFromPrivateKey(
+      {required String name,
+      required String password,
+      required this.privateKey,
+      WalletInfo? walletInfo})
+      : super(name: name, password: password, walletInfo: walletInfo);
+
+  final String privateKey;
+}
--- a/cw_polygon/lib/polygon_wallet_service.dart
+++ b/cw_polygon/lib/polygon_wallet_service.dart
@ -0,0 +1,123 @@
+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_ethereum/ethereum_mnemonics.dart';
+import 'package:cw_polygon/polygon_wallet.dart';
+import 'package:bip39/bip39.dart' as bip39;
+import 'package:hive/hive.dart';
+import 'polygon_wallet_creation_credentials.dart';
+import 'package:collection/collection.dart';
+
+class PolygonWalletService extends WalletService<PolygonNewWalletCredentials,
+    PolygonRestoreWalletFromSeedCredentials, PolygonRestoreWalletFromPrivateKey> {
+  PolygonWalletService(this.walletInfoSource);
+
+  final Box<WalletInfo> walletInfoSource;
+
+  @override
+  Future<PolygonWallet> create(PolygonNewWalletCredentials credentials) async {
+    final strength = (credentials.seedPhraseLength == 12)
+        ? 128
+        : (credentials.seedPhraseLength == 24)
+            ? 256
+            : 128;
+
+    final mnemonic = bip39.generateMnemonic(strength: strength);
+    final wallet = PolygonWallet(
+      walletInfo: credentials.walletInfo!,
+      mnemonic: mnemonic,
+      password: credentials.password!,
+    );
+
+    await wallet.init();
+    wallet.addInitialTokens();
+    await wallet.save();
+
+    return wallet;
+  }
+
+  @override
+  WalletType getType() => WalletType.polygon;
+
+  @override
+  Future<bool> isWalletExit(String name) async =>
+      File(await pathForWallet(name: name, type: getType())).existsSync();
+
+  @override
+  Future<PolygonWallet> openWallet(String name, String password) async {
+    final walletInfo =
+        walletInfoSource.values.firstWhere((info) => info.id == WalletBase.idFor(name, getType()));
+    final wallet = await PolygonWalletBase.open(
+      name: name,
+      password: password,
+      walletInfo: walletInfo,
+    );
+
+    await wallet.init();
+    await wallet.save();
+
+    return wallet;
+  }
+
+  @override
+  Future<void> remove(String wallet) async {
+    File(await pathForWalletDir(name: wallet, type: getType())).delete(recursive: true);
+    final walletInfo = walletInfoSource.values
+        .firstWhereOrNull((info) => info.id == WalletBase.idFor(wallet, getType()))!;
+    await walletInfoSource.delete(walletInfo.key);
+  }
+
+  @override
+  Future<PolygonWallet> restoreFromKeys(PolygonRestoreWalletFromPrivateKey credentials) async {
+    final wallet = PolygonWallet(
+      password: credentials.password!,
+      privateKey: credentials.privateKey,
+      walletInfo: credentials.walletInfo!,
+    );
+
+    await wallet.init();
+    wallet.addInitialTokens();
+    await wallet.save();
+
+    return wallet;
+  }
+
+  @override
+  Future<PolygonWallet> restoreFromSeed(PolygonRestoreWalletFromSeedCredentials credentials) async {
+    if (!bip39.validateMnemonic(credentials.mnemonic)) {
+      throw EthereumMnemonicIsIncorrectException();
+    }
+
+    final wallet = PolygonWallet(
+      password: credentials.password!,
+      mnemonic: credentials.mnemonic,
+      walletInfo: credentials.walletInfo!,
+    );
+
+    await wallet.init();
+    wallet.addInitialTokens();
+    await wallet.save();
+
+    return wallet;
+  }
+
+  @override
+  Future<void> rename(String currentName, String password, String newName) async {
+    final currentWalletInfo = walletInfoSource.values
+        .firstWhere((info) => info.id == WalletBase.idFor(currentName, getType()));
+    final currentWallet = await PolygonWalletBase.open(
+        password: password, name: currentName, walletInfo: currentWalletInfo);
+
+    await currentWallet.renameWalletFiles(newName);
+
+    final newWalletInfo = currentWalletInfo;
+    newWalletInfo.id = WalletBase.idFor(newName, getType());
+    newWalletInfo.name = newName;
+
+    await walletInfoSource.put(currentWalletInfo.key, newWalletInfo);
+  }
+}
--- a/cw_polygon/pubspec.yaml
+++ b/cw_polygon/pubspec.yaml
@ -0,0 +1,73 @@
+name: cw_polygon
+description: A new Flutter package project.
+version: 0.0.1
+publish_to: none
+author: Cake Wallet
+homepage: https://cakewallet.com
+
+environment:
+  sdk: '>=3.0.6 <4.0.0'
+  flutter: ">=1.17.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  cw_core:
+    path: ../cw_core
+  cw_ethereum:
+    path: ../cw_ethereum
+  mobx: ^2.0.7+4
+  intl: ^0.18.0
+  bip39: ^1.0.6
+  hive: ^2.2.3
+  collection: ^1.17.1
+  web3dart: ^2.7.1
+  bip32: ^2.0.0
+  hex: ^0.2.0
+  shared_preferences: ^2.0.15
+
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^2.0.0
+  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
--- a/cw_polygon/test/cw_polygon_test.dart
+++ b/cw_polygon/test/cw_polygon_test.dart
@ -0,0 +1,12 @@
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:cw_polygon/cw_polygon.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);
+  });
+}
--- a/ios/Runner/InfoBase.plist
+++ b/ios/Runner/InfoBase.plist
@ -160,6 +160,26 @@
                <string>bitcoincash-wallet</string>
            </array>
        </dict>
+        <dict>
+            <key>CFBundleTypeRole</key>
+            <string>Editor</string>
+            <key>CFBundleURLName</key>
+            <string>polygon</string>
+            <key>CFBundleURLSchemes</key>
+            <array>
+                <string>polygon</string>
+            </array>
+        </dict>
+        <dict>
+            <key>CFBundleTypeRole</key>
+            <string>Viewer</string>
+            <key>CFBundleURLName</key>
+            <string>polygon-wallet</string>
+            <key>CFBundleURLSchemes</key>
+            <array>
+                <string>polygon-wallet</string>
+            </array>
+        </dict>
    </array>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
--- a/lib/core/address_validator.dart
+++ b/lib/core/address_validator.dart
@ -271,6 +271,8 @@ class AddressValidator extends TextValidator {
            '|([^0-9a-zA-Z]|^)ltc[a-zA-Z0-9]{26,45}([^0-9a-zA-Z]|\$)';
      case CryptoCurrency.eth:
        return '0x[0-9a-zA-Z]{42}';
+      case CryptoCurrency.maticpoly:
+        return '0x[0-9a-zA-Z]{42}';
      case CryptoCurrency.nano:
        return 'nano_[0-9a-zA-Z]{60}';
      case CryptoCurrency.banano:
--- a/lib/core/fiat_conversion_service.dart
+++ b/lib/core/fiat_conversion_service.dart
@ -16,7 +16,7 @@ Future<double> _fetchPrice(Map<String, dynamic> args) async {

  final Map<String, String> queryParams = {
    'interval_count': '1',
-    'base': crypto,
+    'base': crypto.split(".").first,
    'quote': fiat,
    'key': secrets.fiatApiKey,
  };
--- a/lib/core/seed_validator.dart
+++ b/lib/core/seed_validator.dart
@ -3,6 +3,7 @@ import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/haven/haven.dart';
 import 'package:cake_wallet/core/validator.dart';
 import 'package:cake_wallet/entities/mnemonic_item.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/nano/nano.dart';
@ -34,6 +35,8 @@ class SeedValidator extends Validator<MnemonicItem> {
      case WalletType.nano:
      case WalletType.banano:
        return nano!.getNanoWordList(language);
+      case WalletType.polygon:
+        return polygon!.getPolygonWordList(language);
      default:
        return [];
    }
--- a/lib/core/wallet_connect/evm_chain_service.dart
+++ b/lib/core/wallet_connect/evm_chain_service.dart
@ -6,6 +6,7 @@ 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/reactions/wallet_connect.dart';
 import 'package:cake_wallet/src/screens/wallet_connect/widgets/message_display_widget.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
@ -14,7 +15,6 @@ import 'package:cake_wallet/src/screens/wallet_connect/widgets/connection_widget
 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;
@ -46,13 +46,12 @@ class EvmChainServiceImpl implements ChainService {
    required this.wcKeyService,
    required this.bottomSheetService,
    required this.wallet,
-    Web3Client? ethClient,
-  }) : ethClient = ethClient ??
+    Web3Client? web3Client,
+  }) : ethClient = web3Client ??
            Web3Client(
-              appStore.settingsStore.getCurrentNode(WalletType.ethereum).uri.toString(),
+              appStore.settingsStore.getCurrentNode(appStore.wallet!.type).uri.toString(),
              http.Client(),
            ) {
- 
    for (final String event in getEvents()) {
      wallet.registerEventEmitter(chainId: getChainId(), event: event);
    }
@ -138,7 +137,8 @@ class EvmChainServiceImpl implements ChainService {

    try {
      // Load the private key
-      final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+      final List<ChainKeyModel> keys = wcKeyService
+          .getKeysForChain(getChainNameSpaceAndIdBasedOnWalletType(appStore.wallet!.type));

      final Credentials credentials = EthPrivateKey.fromHex(keys[0].privateKey);

@ -176,13 +176,15 @@ class EvmChainServiceImpl implements ChainService {

    try {
      // Load the private key
-      final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+      final List<ChainKeyModel> keys = wcKeyService
+          .getKeysForChain(getChainNameSpaceAndIdBasedOnWalletType(appStore.wallet!.type));

      final EthPrivateKey credentials = EthPrivateKey.fromHex(keys[0].privateKey);

      final String signature = hex.encode(
        credentials.signPersonalMessageToUint8List(
          Uint8List.fromList(utf8.encode(message)),
+          chainId: getChainIdBasedOnWalletType(appStore.wallet!.type),
        ),
      );
      log(signature);
@ -212,7 +214,8 @@ class EvmChainServiceImpl implements ChainService {
    }

    // Load the private key
-    final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+    final List<ChainKeyModel> keys = wcKeyService
+        .getKeysForChain(getChainNameSpaceAndIdBasedOnWalletType(appStore.wallet!.type));

    final Credentials credentials = EthPrivateKey.fromHex(keys[0].privateKey);

@ -232,7 +235,11 @@ class EvmChainServiceImpl implements ChainService {
    );

    try {
-      final result = await ethClient.sendTransaction(credentials, transaction);
+      final result = await ethClient.sendTransaction(
+        credentials,
+        transaction,
+        chainId: getChainIdBasedOnWalletType(appStore.wallet!.type),
+      );

      log('Result: $result');

@ -267,7 +274,8 @@ class EvmChainServiceImpl implements ChainService {
      return authError;
    }

-    final List<ChainKeyModel> keys = wcKeyService.getKeysForChain(getChainId());
+    final List<ChainKeyModel> keys = wcKeyService
+        .getKeysForChain(getChainNameSpaceAndIdBasedOnWalletType(appStore.wallet!.type));

    return EthSigUtil.signTypedData(
      privateKey: keys[0].privateKey,
--- a/lib/core/wallet_connect/wallet_connect_key_service.dart
+++ b/lib/core/wallet_connect/wallet_connect_key_service.dart
@ -1,9 +1,11 @@
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/core/wallet_connect/models/chain_key_model.dart';
+import 'package:cake_wallet/polygon/polygon.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';
+import 'package:cw_core/wallet_type.dart';

 abstract class WalletConnectKeyService {
  /// Returns a list of all the keys.
@ -32,16 +34,36 @@ class KeyServiceImpl implements WalletConnectKeyService {
              'eip155:42161',
              'eip155:80001',
            ],
-            privateKey: ethereum!.getPrivateKey(wallet),
-            publicKey: ethereum!.getPublicKey(wallet),
+            privateKey: _getPrivateKeyForWallet(wallet),
+            publicKey: _getPublicKeyForWallet(wallet),
          ),
-          
        ];

  late final WalletBase<Balance, TransactionHistoryBase<TransactionInfo>, TransactionInfo> wallet;

  late final List<ChainKeyModel> _keys;

+  static String _getPrivateKeyForWallet(WalletBase wallet) {
+    switch (wallet.type) {
+      case WalletType.ethereum:
+        return ethereum!.getPrivateKey(wallet);
+      case WalletType.polygon:
+        return polygon!.getPrivateKey(wallet);
+      default:
+        return '';
+    }
+  }
+
+  static String _getPublicKeyForWallet(WalletBase wallet) {
+    switch (wallet.type) {
+      case WalletType.ethereum:
+        return ethereum!.getPublicKey(wallet);
+      case WalletType.polygon:
+        return polygon!.getPublicKey(wallet);
+      default:
+        return '';
+    }
+  }
  @override
  List<String> getChains() {
    final List<String> chainIds = [];
--- a/lib/core/wallet_connect/web3wallet_service.dart
+++ b/lib/core/wallet_connect/web3wallet_service.dart
@ -9,6 +9,7 @@ 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/reactions/wallet_connect.dart';
 import 'package:cake_wallet/src/screens/wallet_connect/widgets/connection_request_widget.dart';
 import 'package:cake_wallet/src/screens/wallet_connect/widgets/message_display_widget.dart';
 import 'package:cake_wallet/src/screens/wallet_connect/widgets/modals/web3_request_modal.dart';
@ -164,8 +165,10 @@ abstract class Web3WalletServiceBase with Store {

  void _onSessionProposal(SessionProposalEvent? args) async {
    if (args != null) {
+      final chaindIdNamespace = getChainNameSpaceAndIdBasedOnWalletType(appStore.wallet!.type);
      final Widget modalWidget = Web3RequestModal(
        child: ConnectionRequestWidget(
+          chaindIdNamespace: chaindIdNamespace,
          wallet: _web3Wallet,
          sessionProposal: SessionRequestModel(request: args.params),
        ),
@ -232,12 +235,13 @@ abstract class Web3WalletServiceBase with Store {
  @action
  Future<void> _onAuthRequest(AuthRequest? args) async {
    if (args != null) {
-      List<ChainKeyModel> chainKeys = walletKeyService.getKeysForChain('eip155:1');
+      final chaindIdNamespace = getChainNameSpaceAndIdBasedOnWalletType(appStore.wallet!.type);
+      List<ChainKeyModel> chainKeys = walletKeyService.getKeysForChain(chaindIdNamespace);
      // Create the message to be signed
-      final String iss = 'did:pkh:eip155:1:${chainKeys.first.publicKey}';
-
+      final String iss = 'did:pkh:$chaindIdNamespace:${chainKeys.first.publicKey}';
      final Widget modalWidget = Web3RequestModal(
        child: ConnectionRequestWidget(
+          chaindIdNamespace: chaindIdNamespace,
          wallet: _web3Wallet,
          authRequest: AuthRequestModel(iss: iss, request: args),
        ),
--- a/lib/di.dart
+++ b/lib/di.dart
@ -18,6 +18,8 @@ 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';
+import 'package:cake_wallet/polygon/polygon.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/anonpay_details/anonpay_details_page.dart';
 import 'package:cake_wallet/src/screens/buy/buy_options_page.dart';
@ -754,7 +756,7 @@ Future<void> setup({
    final wallet = getIt.get<AppStore>().wallet;
    return ConnectionSyncPage(
      getIt.get<DashboardViewModel>(),
-      wallet?.type == WalletType.ethereum ? getIt.get<Web3WalletService>() : null,
+      isEVMCompatibleChain(wallet!.type) ? getIt.get<Web3WalletService>() : null,
    );
  });

@ -851,6 +853,8 @@ Future<void> setup({
            .createBitcoinCashWalletService(_walletInfoSource, _unspentCoinsInfoSource!);
      case WalletType.nano:
        return nano!.createNanoWalletService(_walletInfoSource);
+      case WalletType.polygon:
+        return polygon!.createPolygonWalletService(_walletInfoSource);
      default:
        throw Exception('Unexpected token: ${param1.toString()} for generating of WalletService');
    }
--- a/lib/entities/default_settings_migration.dart
+++ b/lib/entities/default_settings_migration.dart
@ -1,5 +1,6 @@
 import 'dart:io' show Directory, File, Platform;
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
+import 'package:cake_wallet/entities/encrypt.dart';
 import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cw_core/pathForWallet.dart';
 import 'package:cake_wallet/entities/secret_store_key.dart';
@ -30,6 +31,7 @@ const publicBitcoinTestnetElectrumUri =
 const cakeWalletLitecoinElectrumUri = 'ltc-electrum.cakewallet.com:50002';
 const havenDefaultNodeUri = 'nodes.havenprotocol.org:443';
 const ethereumDefaultNodeUri = 'ethereum.publicnode.com';
+const polygonDefaultNodeUri = 'polygon-bor.publicnode.com';
 const cakeWalletBitcoinCashDefaultNodeUri = 'bitcoincash.stackwallet.com:50002';
 const nanoDefaultNodeUri = 'rpc.nano.to';
 const nanoDefaultPowNodeUri = 'rpc.nano.to';
@ -68,6 +70,8 @@ Future<void> defaultSettingsMigration(
  final migrationVersions =
      List<int>.generate(migrationVersionsLength, (i) => currentVersion + (i + 1));

+  /// When you add a new case, increase the initialMigrationVersion parameter in the main.dart file.
+  /// This ensures that this switch case runs the newly added case.
  await Future.forEach(migrationVersions, (int version) async {
    try {
      switch (version) {
@ -178,6 +182,14 @@ Future<void> defaultSettingsMigration(
          await changeBitcoinCurrentElectrumServerToDefault(
              sharedPreferences: sharedPreferences, nodes: nodes);
          break;
+        case 24:
+          await addPolygonNodeList(nodes: nodes);
+          await changePolygonCurrentNodeToDefault(
+              sharedPreferences: sharedPreferences, nodes: nodes);
+          break;
+        case 25:
+          await rewriteSecureStoragePin(secureStorage: secureStorage);
+          break;

        default:
          break;
@ -338,6 +350,11 @@ Node? getEthereumDefaultNode({required Box<Node> nodes}) {
      nodes.values.firstWhereOrNull((node) => node.type == WalletType.ethereum);
 }

+Node? getPolygonDefaultNode({required Box<Node> nodes}) {
+  return nodes.values.firstWhereOrNull((Node node) => node.uriRaw == polygonDefaultNodeUri) ??
+      nodes.values.firstWhereOrNull((node) => node.type == WalletType.polygon);
+}
+
 Node? getNanoDefaultNode({required Box<Node> nodes}) {
  return nodes.values.firstWhereOrNull((Node node) => node.uriRaw == nanoDefaultNodeUri) ??
      nodes.values.firstWhereOrNull((node) => node.type == WalletType.nano);
@ -373,6 +390,37 @@ Node getMoneroDefaultNode({required Box<Node> nodes}) {
  }
 }

+Future<void> rewriteSecureStoragePin({required FlutterSecureStorage secureStorage}) async {
+  // the bug only affects ios/mac:
+  if (!Platform.isIOS && !Platform.isMacOS) {
+    return;
+  }
+
+  // first, get the encoded pin:
+  final keyForPinCode = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
+  String? encodedPin;
+  try {
+    encodedPin = await secureStorage.read(key: keyForPinCode);
+  } catch (e) {
+    // either we don't have a pin, or we can't read it (maybe even because of the bug!)
+    // the only option here is to abort the migration or we risk losing the pin and locking the user out
+    return;
+  }
+
+  if (encodedPin == null) {
+    return;
+  }
+
+  // ensure we overwrite by deleting the old key first:
+  await secureStorage.delete(key: keyForPinCode);
+  await secureStorage.write(
+    key: keyForPinCode,
+    value: encodedPin,
+    iOptions: IOSOptions(accessibility: KeychainAccessibility.first_unlock),
+    mOptions: MacOsOptions(accessibility: KeychainAccessibility.first_unlock),
+  );
+}
+
 Future<void> changeBitcoinCurrentElectrumServerToDefault(
    {required SharedPreferences sharedPreferences,
    required Box<Node> nodes,
@ -557,6 +605,7 @@ Future<void> checkCurrentNodes(
      sharedPreferences.getInt(PreferencesKey.currentLitecoinElectrumSererIdKey);
  final currentHavenNodeId = sharedPreferences.getInt(PreferencesKey.currentHavenNodeIdKey);
  final currentEthereumNodeId = sharedPreferences.getInt(PreferencesKey.currentEthereumNodeIdKey);
+  final currentPolygonNodeId = sharedPreferences.getInt(PreferencesKey.currentPolygonNodeIdKey);
  final currentNanoNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoNodeIdKey);
  final currentNanoPowNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoPowNodeIdKey);
  final currentBitcoinCashNodeId =
@ -571,6 +620,8 @@ Future<void> checkCurrentNodes(
      nodeSource.values.firstWhereOrNull((node) => node.key == currentHavenNodeId);
  final currentEthereumNodeServer =
      nodeSource.values.firstWhereOrNull((node) => node.key == currentEthereumNodeId);
+  final currentPolygonNodeServer =
+      nodeSource.values.firstWhereOrNull((node) => node.key == currentPolygonNodeId);
  final currentNanoNodeServer =
      nodeSource.values.firstWhereOrNull((node) => node.key == currentNanoNodeId);
  final currentNanoPowNodeServer =
@ -630,6 +681,12 @@ Future<void> checkCurrentNodes(
    await nodeSource.add(node);
    await sharedPreferences.setInt(PreferencesKey.currentBitcoinCashNodeIdKey, node.key as int);
  }
+
+  if (currentPolygonNodeServer == null) {
+    final node = Node(uri: polygonDefaultNodeUri, type: WalletType.polygon);
+    await nodeSource.add(node);
+    await sharedPreferences.setInt(PreferencesKey.currentPolygonNodeIdKey, node.key as int);
+  }
 }

 Future<void> resetBitcoinElectrumServer(
@ -724,3 +781,20 @@ Future<void> changeNanoCurrentPowNodeToDefault(
  final nodeId = node?.key as int? ?? 0;
  await sharedPreferences.setInt(PreferencesKey.currentNanoPowNodeIdKey, nodeId);
 }
+
+Future<void> addPolygonNodeList({required Box<Node> nodes}) async {
+  final nodeList = await loadDefaultPolygonNodes();
+  for (var node in nodeList) {
+    if (nodes.values.firstWhereOrNull((element) => element.uriRaw == node.uriRaw) == null) {
+      await nodes.add(node);
+    }
+  }
+}
+
+Future<void> changePolygonCurrentNodeToDefault(
+    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
+  final node = getPolygonDefaultNode(nodes: nodes);
+  final nodeId = node?.key as int? ?? 0;
+
+  await sharedPreferences.setInt(PreferencesKey.currentPolygonNodeIdKey, nodeId);
+}
--- a/lib/entities/ens_record.dart
+++ b/lib/entities/ens_record.dart
@ -1,4 +1,5 @@
 import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:ens_dart/ens_dart.dart';
@ -13,6 +14,10 @@ class EnsRecord {
      _client = ethereum!.getWeb3Client(wallet);
    }
    
+    if (wallet != null && wallet.type == WalletType.polygon) {
+      _client = polygon!.getWeb3Client(wallet);
+    }
+
    if (_client == null) {
      _client = Web3Client("https://ethereum.publicnode.com", Client());
    }
@ -31,6 +36,7 @@ class EnsRecord {
          case WalletType.haven:
            return await ens.withName(name).getCoinAddress(CoinType.XHV);
          case WalletType.ethereum:
+          case WalletType.polygon:
          default:
            return (await ens.withName(name).getAddress()).hex;
        }
--- a/lib/entities/main_actions.dart
+++ b/lib/entities/main_actions.dart
@ -19,7 +19,8 @@ class MainActions {

  final bool Function(DashboardViewModel viewModel)? isEnabled;
  final bool Function(DashboardViewModel viewModel)? canShow;
-  final Future<void> Function(BuildContext context, DashboardViewModel viewModel) onTap;
+  final Future<void> Function(
+      BuildContext context, DashboardViewModel viewModel) onTap;

  MainActions._({
    required this.name,
@ -52,6 +53,7 @@ class MainActions {
        case WalletType.bitcoin:
        case WalletType.litecoin:
        case WalletType.ethereum:
+        case WalletType.polygon:
        case WalletType.bitcoinCash:
          switch (defaultBuyProvider) {
            case BuyProviderType.AskEachTime:
@ -124,6 +126,7 @@ class MainActions {
        case WalletType.bitcoin:
        case WalletType.litecoin:
        case WalletType.ethereum:
+        case WalletType.polygon:
        case WalletType.bitcoinCash:
          if (viewModel.isEnabledSellAction) {
            final moonPaySellProvider = MoonPaySellProvider();
--- a/lib/entities/node_list.dart
+++ b/lib/entities/node_list.dart
@ -133,6 +133,22 @@ Future<List<Node>> loadDefaultNanoPowNodes() async {
  return nodes;
 }

+Future<List<Node>> loadDefaultPolygonNodes() async {
+  final nodesRaw = await rootBundle.loadString('assets/polygon_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.polygon;
+      nodes.add(node);
+    }
+  }
+
+  return nodes;
+}
+
 Future<void> resetToDefault(Box<Node> nodeSource) async {
  final moneroNodes = await loadDefaultNodes();
  final bitcoinElectrumServerList = await loadBitcoinElectrumServerList();
@ -141,6 +157,8 @@ Future<void> resetToDefault(Box<Node> nodeSource) async {
  final havenNodes = await loadDefaultHavenNodes();
  final ethereumNodes = await loadDefaultEthereumNodes();
  final nanoNodes = await loadDefaultNanoNodes();
+  final polygonNodes = await loadDefaultPolygonNodes();
+

  final nodes = moneroNodes +
      bitcoinElectrumServerList +
@ -148,7 +166,8 @@ Future<void> resetToDefault(Box<Node> nodeSource) async {
      havenNodes +
      ethereumNodes +
      bitcoinCashElectrumServerList +
-      nanoNodes;
+      nanoNodes +
+      polygonNodes;

  await nodeSource.clear();
  await nodeSource.addAll(nodes);
--- a/lib/entities/preferences_key.dart
+++ b/lib/entities/preferences_key.dart
@ -6,6 +6,7 @@ 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 currentPolygonNodeIdKey = 'current_node_id_matic';
  static const currentNanoNodeIdKey = 'current_node_id_nano';
  static const currentNanoPowNodeIdKey = 'current_node_id_nano_pow';
  static const currentBananoNodeIdKey = 'current_node_id_banano';
@ -37,6 +38,7 @@ class PreferencesKey {
  static const havenTransactionPriority = 'current_fee_priority_haven';
  static const litecoinTransactionPriority = 'current_fee_priority_litecoin';
  static const ethereumTransactionPriority = 'current_fee_priority_ethereum';
+  static const polygonTransactionPriority = 'current_fee_priority_polygon';
  static const bitcoinCashTransactionPriority = 'current_fee_priority_bitcoin_cash';
  static const shouldShowReceiveWarning = 'should_show_receive_warning';
  static const shouldShowYatPopup = 'should_show_yat_popup';
@ -50,6 +52,7 @@ class PreferencesKey {
  static const sortBalanceBy = 'sort_balance_by';
  static const pinNativeTokenAtTop = 'pin_native_token_at_top';
  static const useEtherscan = 'use_etherscan';
+  static const usePolygonScan = 'use_polygonscan';
  static const defaultNanoRep = 'default_nano_representative';
  static const defaultBananoRep = 'default_banano_representative';
  static const lookupsTwitter = 'looks_up_twitter';
--- a/lib/entities/priority_for_wallet_type.dart
+++ b/lib/entities/priority_for_wallet_type.dart
@ -3,6 +3,7 @@ import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/haven/haven.dart';
 import 'package:cake_wallet/monero/monero.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cw_core/transaction_priority.dart';
 import 'package:cw_core/wallet_type.dart';

@ -24,6 +25,8 @@ List<TransactionPriority> priorityForWalletType(WalletType type) {
    case WalletType.nano:
    case WalletType.banano:
      return [];
+    case WalletType.polygon:
+      return polygon!.getTransactionPriorities();
    default:
      return [];
  }
--- a/lib/main.dart
+++ b/lib/main.dart
@ -163,7 +163,7 @@ Future<void> initializeAppConfigs() async {
      transactionDescriptions: transactionDescriptions,
      secureStorage: secureStorage,
      anonpayInvoiceInfo: anonpayInvoiceInfo,
-      initialMigrationVersion: 23);
+      initialMigrationVersion: 25);
 }

 Future<void> initialSetup(
--- a/lib/polygon/cw_polygon.dart
+++ b/lib/polygon/cw_polygon.dart
@ -0,0 +1,156 @@
+part of 'polygon.dart';
+
+class CWPolygon extends Polygon {
+  @override
+  List<String> getPolygonWordList(String language) => EthereumMnemonics.englishWordlist;
+
+  WalletService createPolygonWalletService(Box<WalletInfo> walletInfoSource) =>
+      PolygonWalletService(walletInfoSource);
+
+  @override
+  WalletCredentials createPolygonNewWalletCredentials({
+    required String name,
+    WalletInfo? walletInfo,
+  }) =>
+      PolygonNewWalletCredentials(name: name, walletInfo: walletInfo);
+
+  @override
+  WalletCredentials createPolygonRestoreWalletFromSeedCredentials({
+    required String name,
+    required String mnemonic,
+    required String password,
+  }) =>
+      PolygonRestoreWalletFromSeedCredentials(name: name, password: password, mnemonic: mnemonic);
+
+  @override
+  WalletCredentials createPolygonRestoreWalletFromPrivateKey({
+    required String name,
+    required String privateKey,
+    required String password,
+  }) =>
+      PolygonRestoreWalletFromPrivateKey(name: name, password: password, privateKey: privateKey);
+
+  @override
+  String getAddress(WalletBase wallet) => (wallet as PolygonWallet).walletAddresses.address;
+
+  @override
+  String getPrivateKey(WalletBase wallet) {
+    final privateKeyHolder = (wallet as PolygonWallet).polygonPrivateKey;
+    String stringKey = bytesToHex(privateKeyHolder.privateKey);
+    return stringKey;
+  }
+
+  @override
+  String getPublicKey(WalletBase wallet) {
+    final privateKeyInUnitInt = (wallet as PolygonWallet).polygonPrivateKey;
+    final publicKey = privateKeyInUnitInt.address.hex;
+    return publicKey;
+  }
+
+  @override
+  TransactionPriority getDefaultTransactionPriority() => PolygonTransactionPriority.medium;
+
+  @override
+  TransactionPriority getPolygonTransactionPrioritySlow() => PolygonTransactionPriority.slow;
+
+  @override
+  List<TransactionPriority> getTransactionPriorities() => PolygonTransactionPriority.all;
+
+  @override
+  TransactionPriority deserializePolygonTransactionPriority(int raw) =>
+      PolygonTransactionPriority.deserialize(raw: raw);
+
+  Object createPolygonTransactionCredentials(
+    List<Output> outputs, {
+    required TransactionPriority priority,
+    required CryptoCurrency currency,
+    int? feeRate,
+  }) =>
+      PolygonTransactionCredentials(
+        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(),
+        priority: priority as PolygonTransactionPriority,
+        currency: currency,
+        feeRate: feeRate,
+      );
+
+  Object createPolygonTransactionCredentialsRaw(
+    List<OutputInfo> outputs, {
+    TransactionPriority? priority,
+    required CryptoCurrency currency,
+    required int feeRate,
+  }) =>
+      PolygonTransactionCredentials(
+        outputs,
+        priority: priority as PolygonTransactionPriority?,
+        currency: currency,
+        feeRate: feeRate,
+      );
+
+  @override
+  int formatterPolygonParseAmount(String amount) => PolygonFormatter.parsePolygonAmount(amount);
+
+  @override
+  double formatterPolygonAmountToDouble(
+      {TransactionInfo? transaction, BigInt? amount, int exponent = 18}) {
+    assert(transaction != null || amount != null);
+
+    if (transaction != null) {
+      transaction as PolygonTransactionInfo;
+      return transaction.ethAmount / BigInt.from(10).pow(transaction.exponent);
+    } else {
+      return (amount!) / BigInt.from(10).pow(exponent);
+    }
+  }
+
+  @override
+  List<Erc20Token> getERC20Currencies(WalletBase wallet) {
+    final polygonWallet = wallet as PolygonWallet;
+    return polygonWallet.erc20Currencies;
+  }
+
+  @override
+  Future<void> addErc20Token(WalletBase wallet, Erc20Token token) async =>
+      await (wallet as PolygonWallet).addErc20Token(token);
+
+  @override
+  Future<void> deleteErc20Token(WalletBase wallet, Erc20Token token) async =>
+      await (wallet as PolygonWallet).deleteErc20Token(token);
+
+  @override
+  Future<Erc20Token?> getErc20Token(WalletBase wallet, String contractAddress) async {
+    final polygonWallet = wallet as PolygonWallet;
+    return await polygonWallet.getErc20Token(contractAddress);
+  }
+
+  @override
+  CryptoCurrency assetOfTransaction(WalletBase wallet, TransactionInfo transaction) {
+    transaction as PolygonTransactionInfo;
+    if (transaction.tokenSymbol == CryptoCurrency.maticpoly.title) {
+      return CryptoCurrency.maticpoly;
+    }
+
+    wallet as PolygonWallet;
+    return wallet.erc20Currencies.firstWhere(
+        (element) => transaction.tokenSymbol.toLowerCase() == element.symbol.toLowerCase());
+  }
+
+  @override
+  void updatePolygonScanUsageState(WalletBase wallet, bool isEnabled) {
+    (wallet as PolygonWallet).updatePolygonScanUsageState(isEnabled);
+  }
+
+  @override
+  Web3Client? getWeb3Client(WalletBase wallet) {
+    return (wallet as PolygonWallet).getWeb3Client();
+  }
+}
--- a/lib/reactions/fiat_rate_update.dart
+++ b/lib/reactions/fiat_rate_update.dart
@ -3,9 +3,11 @@ import 'package:cake_wallet/core/fiat_conversion_service.dart';
 import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/entities/update_haven_rate.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
 import 'package:cake_wallet/store/settings_store.dart';
+import 'package:cw_core/erc20_token.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:mobx/mobx.dart';

@ -33,10 +35,18 @@ Future<void> startFiatRateUpdate(
                torOnly: settingsStore.fiatApiMode == FiatApiMode.torOnly);
      }

+      Iterable<Erc20Token>? currencies;
      if (appStore.wallet!.type == WalletType.ethereum) {
-        final currencies =
+        currencies =
            ethereum!.getERC20Currencies(appStore.wallet!).where((element) => element.enabled);
+      }

+      if (appStore.wallet!.type == WalletType.polygon) {
+        currencies =
+            polygon!.getERC20Currencies(appStore.wallet!).where((element) => element.enabled);
+      }
+
+      if (currencies != null) {
        for (final currency in currencies) {
          () async {
            fiatConversionStore.prices[currency] = await FiatConversionService.fetchPrice(
--- a/lib/reactions/on_current_wallet_change.dart
+++ b/lib/reactions/on_current_wallet_change.dart
@ -2,7 +2,8 @@ import 'package:cake_wallet/entities/auto_generate_subaddress_status.dart';
 import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/entities/update_haven_rate.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
-import 'package:cake_wallet/nano/nano.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
+import 'package:cw_core/erc20_token.dart';
 import 'package:cw_core/transaction_history.dart';
 import 'package:cw_core/balance.dart';
 import 'package:cw_core/transaction_info.dart';
@ -107,10 +108,17 @@ void startCurrentWalletChangeReaction(
          fiat: settingsStore.fiatCurrency,
          torOnly: settingsStore.fiatApiMode == FiatApiMode.torOnly);

+      Iterable<Erc20Token>? currencies;
      if (wallet.type == WalletType.ethereum) {
-        final currencies =
+        currencies =
            ethereum!.getERC20Currencies(appStore.wallet!).where((element) => element.enabled);
+      }
+      if (wallet.type == WalletType.polygon) {
+        currencies =
+            polygon!.getERC20Currencies(appStore.wallet!).where((element) => element.enabled);
+      }

+      if (currencies != null) {
        for (final currency in currencies) {
          () async {
            fiatConversionStore.prices[currency] = await FiatConversionService.fetchPrice(
--- a/lib/reactions/wallet_connect.dart
+++ b/lib/reactions/wallet_connect.dart
@ -0,0 +1,46 @@
+import 'package:cake_wallet/core/wallet_connect/evm_chain_id.dart';
+import 'package:cw_core/wallet_type.dart';
+
+bool isEVMCompatibleChain(WalletType walletType) {
+  switch (walletType) {
+    case WalletType.polygon:
+    case WalletType.ethereum:
+      return true;
+    default:
+      return false;
+  }
+}
+
+String getChainNameSpaceAndIdBasedOnWalletType(WalletType walletType) {
+  switch (walletType) {
+    case WalletType.ethereum:
+      return EVMChainId.ethereum.chain();
+    case WalletType.polygon:
+      return EVMChainId.polygon.chain();
+    default:
+      return '';
+  }
+}
+
+int getChainIdBasedOnWalletType(WalletType walletType) {
+  switch (walletType) {
+    case WalletType.polygon:
+      return 137;
+
+    // For now, we return eth chain Id as the default, we'll modify as we add more wallets
+    case WalletType.ethereum:
+    default:
+      return 1;
+  }
+}
+
+String getChainNameBasedOnWalletType(WalletType walletType) {
+  switch (walletType) {
+    case WalletType.ethereum:
+      return 'eth';
+    case WalletType.polygon:
+      return 'polygon';
+    default:
+      return '';
+  }
+}
--- a/lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart
+++ b/lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart
@ -33,6 +33,7 @@ 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 polygonIcon = Image.asset('assets/images/matic_icon.png', height: 24, width: 24);
  final bitcoinCashIcon = Image.asset('assets/images/bch_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);
@ -150,6 +151,8 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
        return nanoIcon;
      case WalletType.banano:
        return bananoIcon;
+      case WalletType.polygon:
+        return polygonIcon;
      default:
        return nonWalletTypeIcon;
    }
--- a/lib/src/screens/dashboard/pages/balance_page.dart
+++ b/lib/src/screens/dashboard/pages/balance_page.dart
@ -1,5 +1,6 @@
 import 'package:auto_size_text/auto_size_text.dart';
 import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/dashboard/pages/nft_listing_page.dart';
 import 'package:cake_wallet/src/screens/dashboard/widgets/home_screen_account_widget.dart';
@ -13,7 +14,6 @@ import 'package:cake_wallet/utils/feature_flag.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:cake_wallet/view_model/dashboard/dashboard_view_model.dart';
 import 'package:cake_wallet/view_model/dashboard/nft_view_model.dart';
-import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';

@ -32,12 +32,12 @@ class BalancePage extends StatelessWidget {
  Widget build(BuildContext context) {
    return Observer(
      builder: (context) {
-        final isEthereumWallet = dashboardViewModel.type == WalletType.ethereum;
+        final isEVMCompatible = isEVMCompatibleChain(dashboardViewModel.type);
        return DefaultTabController(
-          length: isEthereumWallet ? 2 : 1,
+          length: isEVMCompatible ? 2 : 1,
          child: Column(
            children: [
-              if (isEthereumWallet)
+              if (isEVMCompatible)
                Align(
                  alignment: Alignment.centerLeft,
                  child: Padding(
@ -66,7 +66,7 @@ class BalancePage extends StatelessWidget {
                  physics: NeverScrollableScrollPhysics(),
                  children: [
                    CryptoBalanceWidget(dashboardViewModel: dashboardViewModel),
-                    if (isEthereumWallet) NFTListingPage(nftViewModel: nftViewModel)
+                    if (isEVMCompatible) NFTListingPage(nftViewModel: nftViewModel)
                  ],
                ),
              ),
--- a/lib/src/screens/dashboard/widgets/menu_widget.dart
+++ b/lib/src/screens/dashboard/widgets/menu_widget.dart
@ -32,7 +32,8 @@ class MenuWidgetState extends State<MenuWidget> {
      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'),
-      this.bitcoinCashIcon = Image.asset('assets/images/bch_icon.png');
+        this.bitcoinCashIcon = Image.asset('assets/images/bch_icon.png'),
+        this.polygonIcon = Image.asset('assets/images/matic_icon.png');


  final largeScreen = 731;
@ -54,6 +55,8 @@ class MenuWidgetState extends State<MenuWidget> {
  Image bitcoinCashIcon;
  Image nanoIcon;
  Image bananoIcon;
+  Image polygonIcon;
+

  @override
  void initState() {
@ -219,6 +222,8 @@ class MenuWidgetState extends State<MenuWidget> {
        return nanoIcon;
      case WalletType.banano:
        return bananoIcon;
+      case WalletType.polygon:
+        return polygonIcon;
      default:
        throw Exception('No icon for ${type.toString()}');
    }
--- a/lib/src/screens/receive/widgets/currency_input_field.dart
+++ b/lib/src/screens/receive/widgets/currency_input_field.dart
@ -1,5 +1,6 @@
 import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
 import 'package:cake_wallet/utils/responsive_layout_util.dart';
+import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/currency.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@ -23,6 +24,13 @@ class CurrencyInputField extends StatelessWidget {
  final TextEditingController controller;
  final bool isLight;

+  String get _currencyName {
+    if (selectedCurrency is CryptoCurrency) {
+      return (selectedCurrency as CryptoCurrency).title.toUpperCase();
+    }
+    return selectedCurrency.name.toUpperCase();
+  }
+
  @override
  Widget build(BuildContext context) {
    final arrowBottomPurple = Image.asset(
@ -74,7 +82,7 @@ class CurrencyInputField extends StatelessWidget {
                            child: arrowBottomPurple,
                          ),
                          Text(
-                            selectedCurrency.name.toUpperCase(),
+                            _currencyName,
                            style: TextStyle(
                              fontWeight: FontWeight.w600,
                              fontSize: 16,
@ -83,7 +91,7 @@ class CurrencyInputField extends StatelessWidget {
                          ),
                          if (selectedCurrency.tag != null)
                            Padding(
-                              padding: const EdgeInsets.only(right: 3.0),
+                              padding: const EdgeInsets.symmetric(horizontal: 3.0),
                              child: Container(
                                decoration: BoxDecoration(
                                  color: Theme.of(context).extension<SendPageTheme>()!.textFieldButtonColor,
--- a/lib/src/screens/root/root.dart
+++ b/lib/src/screens/root/root.dart
@ -2,9 +2,9 @@ import 'dart:async';
 import 'package:cake_wallet/core/auth_service.dart';
 import 'package:cake_wallet/core/totp_request_details.dart';
 import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/utils/device_info.dart';
 import 'package:cake_wallet/utils/payment_request.dart';
-import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/auth/auth_page.dart';
@ -169,7 +169,7 @@ class RootState extends State<Root> with WidgetsBindingObserver {
      );
      launchUri = null;
    } else if (isWalletConnectLink) {
-      if (widget.appStore.wallet!.type == WalletType.ethereum) {
+      if (isEVMCompatibleChain(widget.appStore.wallet!.type)) {
        widget.navigatorKey.currentState?.pushNamed(
          Routes.walletConnectConnectionsListing,
          arguments: launchUri,
@ -205,7 +205,7 @@ class RootState extends State<Root> with WidgetsBindingObserver {

  String? _getRouteToGo() {
    if (isWalletConnectLink) {
-      if (widget.appStore.wallet!.type != WalletType.ethereum) {
+      if (isEVMCompatibleChain(widget.appStore.wallet!.type)) {
        _nonETHWalletErrorToast(S.current.switchToETHWallet);
        return null;
      }
--- a/lib/src/screens/seed/pre_seed_page.dart
+++ b/lib/src/screens/seed/pre_seed_page.dart
@ -13,7 +13,8 @@ class PreSeedPage extends BasePage {
  PreSeedPage(this.type, this.advancedPrivacySettingsViewModel)
      : imageLight = Image.asset('assets/images/pre_seed_light.png'),
        imageDark = Image.asset('assets/images/pre_seed_dark.png'),
-        seedPhraseLength = advancedPrivacySettingsViewModel.seedPhraseLength.value {
+        seedPhraseLength =
+            advancedPrivacySettingsViewModel.seedPhraseLength.value {
    wordsCount = _wordsCount(type, seedPhraseLength);
  }

@ -40,14 +41,14 @@ class PreSeedPage extends BasePage {
          alignment: Alignment.center,
          padding: EdgeInsets.all(24),
          child: ConstrainedBox(
-            constraints: BoxConstraints(maxWidth: ResponsiveLayoutUtilBase.kDesktopMaxWidthConstraint),
+            constraints: BoxConstraints(
+                maxWidth: ResponsiveLayoutUtilBase.kDesktopMaxWidthConstraint),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: <Widget>[
                ConstrainedBox(
                  constraints: BoxConstraints(
-                    maxHeight: MediaQuery.of(context).size.height * 0.3
-                  ),
+                      maxHeight: MediaQuery.of(context).size.height * 0.3),
                  child: AspectRatio(aspectRatio: 1, child: image),
                ),
                Padding(
@ -58,12 +59,14 @@ class PreSeedPage extends BasePage {
                    style: TextStyle(
                        fontSize: 14,
                        fontWeight: FontWeight.normal,
-                        color: Theme.of(context).extension<CakeTextTheme>()!.secondaryTextColor),
+                        color: Theme.of(context)
+                            .extension<CakeTextTheme>()!
+                            .secondaryTextColor),
                  ),
                ),
                PrimaryButton(
-                    onPressed: () =>
-                        Navigator.of(context).popAndPushNamed(Routes.seed, arguments: true),
+                    onPressed: () => Navigator.of(context)
+                        .popAndPushNamed(Routes.seed, arguments: true),
                    text: S.of(context).pre_seed_button_text,
                    color: Theme.of(context).primaryColor,
                    textColor: Colors.white)
@ -79,6 +82,7 @@ class PreSeedPage extends BasePage {
        return 25;
      case WalletType.ethereum:
      case WalletType.bitcoinCash:
+      case WalletType.polygon:
        return seedPhraseLength;
      default:
        return 24;
--- a/lib/src/screens/settings/connection_sync_page.dart
+++ b/lib/src/screens/settings/connection_sync_page.dart
@ -1,4 +1,5 @@
 import 'package:cake_wallet/core/wallet_connect/web3wallet_service.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/src/screens/settings/widgets/settings_cell_with_arrow.dart';
 import 'package:cake_wallet/src/screens/settings/widgets/settings_picker_cell.dart';
 import 'package:cake_wallet/src/screens/settings/widgets/settings_switcher_cell.dart';
@ -8,7 +9,6 @@ import 'package:cake_wallet/utils/feature_flag.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:cake_wallet/view_model/dashboard/dashboard_view_model.dart';
 import 'package:cake_wallet/view_model/settings/sync_mode.dart';
-import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@ -85,7 +85,7 @@ class ConnectionSyncPage extends BasePage {
              );
            },
          ),
-          if (dashboardViewModel.wallet.type == WalletType.ethereum) ...[
+          if (isEVMCompatibleChain(dashboardViewModel.wallet.type)) ...[
            WalletConnectTile(
              onTap: () => Navigator.of(context).pushNamed(Routes.walletConnectConnectionsListing),
            ),
@ -101,6 +101,7 @@ class ConnectionSyncPage extends BasePage {
    );
  }

+
  Future<void> _presentReconnectAlert(BuildContext context) async {
    await showPopUp<void>(
      context: context,
--- a/lib/src/screens/settings/privacy_page.dart
+++ b/lib/src/screens/settings/privacy_page.dart
@ -87,6 +87,14 @@ class PrivacyPage extends BasePage {
                    onValueChange: (BuildContext _, bool value) {
                      _privacySettingsViewModel.setUseEtherscan(value);
                    }),
+              if (_privacySettingsViewModel.canUsePolygonScan)
+                SettingsSwitcherCell(
+                  title: S.current.polygonscan_history,
+                  value: _privacySettingsViewModel.usePolygonScan,
+                  onValueChange: (BuildContext _, bool value) {
+                    _privacySettingsViewModel.setUsePolygonScan(value);
+                  },
+                ),
              SettingsCellWithArrow(
                title: S.current.domain_looks_up,
                handler: (context) => Navigator.of(context).pushNamed(Routes.domainLookupsPage),
--- a/lib/src/screens/settings/tor_page.dart
+++ b/lib/src/screens/settings/tor_page.dart
@ -4,7 +4,7 @@ import 'dart:io';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:flutter/material.dart';
-import 'package:tor/tor.dart';
+// import 'package:tor/tor.dart';

 class TorPage extends BasePage {
  final AppStore appStore;
@ -40,44 +40,44 @@ class _TorPageBodyState extends State<TorPageBody> {
      connecting = true; // Update flag
    });

-    await Tor.init();
-
-    // Start the proxy
-    await Tor.instance.start();
-
-    // Toggle started flag.
-    setState(() {
-      torEnabled = Tor.instance.enabled; // Update flag
-      connecting = false;
-    });
-
-    final node = widget.appStore.settingsStore.getCurrentNode(widget.appStore.wallet!.type);
-    if (node.socksProxyAddress?.isEmpty ?? true) {
-      node.socksProxyAddress = "${InternetAddress.loopbackIPv4.address}:${Tor.instance.port}";
-    }
-    widget.appStore.wallet!.connectToNode(node: node);
+    // await Tor.init();
+    //
+    // // Start the proxy
+    // await Tor.instance.start();
+    //
+    // // Toggle started flag.
+    // setState(() {
+    //   torEnabled = Tor.instance.enabled; // Update flag
+    //   connecting = false;
+    // });
+    //
+    // final node = widget.appStore.settingsStore.getCurrentNode(widget.appStore.wallet!.type);
+    // if (node.socksProxyAddress?.isEmpty ?? true) {
+    //   node.socksProxyAddress = "${InternetAddress.loopbackIPv4.address}:${Tor.instance.port}";
+    // }
+    // widget.appStore.wallet!.connectToNode(node: node);

    print('Done awaiting; tor should be running');
  }

  Future<void> endTor() async {
-    // Start the proxy
-    Tor.instance.disable();
-
-    // Toggle started flag.
-    setState(() {
-      torEnabled = Tor.instance.enabled; // Update flag
-    });
-
-    print('Done awaiting; tor should be stopped');
-  }
-
-  @override
-  void initState() {
-    super.initState();
-
-    torEnabled = Tor.instance.enabled;
+  //   // Start the proxy
+  //   Tor.instance.disable();
+  //
+  //   // Toggle started flag.
+  //   setState(() {
+  //     torEnabled = Tor.instance.enabled; // Update flag
+  //   });
+  //
+  //   print('Done awaiting; tor should be stopped');
  }
+  //
+  // @override
+  // void initState() {
+  //   super.initState();
+  //
+  //   torEnabled = Tor.instance.enabled;
+  // }

  @override
  void dispose() {
--- a/lib/src/screens/wallet_connect/widgets/connection_request_widget.dart
+++ b/lib/src/screens/wallet_connect/widgets/connection_request_widget.dart
@ -14,12 +14,14 @@ import 'connection_widget.dart';
 class ConnectionRequestWidget extends StatefulWidget {
  const ConnectionRequestWidget({
    required this.wallet,
+    required this.chaindIdNamespace,
    this.authRequest,
    this.sessionProposal,
    Key? key,
  }) : super(key: key);

  final Web3Wallet wallet;
+  final String chaindIdNamespace;
  final AuthRequestModel? authRequest;
  final SessionRequestModel? sessionProposal;

@ -52,23 +54,26 @@ class _ConnectionRequestWidgetState extends State<ConnectionRequestWidget> {

    return _ConnectionMetadataDisplayWidget(
      metadata: metadata,
+      wallet: widget.wallet,
      authRequest: widget.authRequest,
      sessionProposal: widget.sessionProposal,
-      wallet: widget.wallet,
+      chaindIdNamespace: widget.chaindIdNamespace,
    );
  }
 }

 class _ConnectionMetadataDisplayWidget extends StatelessWidget {
  const _ConnectionMetadataDisplayWidget({
-    required this.metadata,
    required this.wallet,
-    this.authRequest,
+    required this.metadata,
    required this.sessionProposal,
+    required this.chaindIdNamespace,
+    this.authRequest,
  });

  final ConnectionMetadata? metadata;
  final Web3Wallet wallet;
+  final String chaindIdNamespace;
  final AuthRequestModel? authRequest;
  final SessionRequestModel? sessionProposal;

@ -114,7 +119,11 @@ class _ConnectionMetadataDisplayWidget extends StatelessWidget {
          const SizedBox(height: 8),
          Visibility(
            visible: authRequest != null,
-            child: _AuthRequestWidget(wallet: wallet, authRequest: authRequest),
+            child: _AuthRequestWidget(
+              wallet: wallet,
+              authRequest: authRequest,
+              chaindIdNamespace: chaindIdNamespace,
+            ),

            //If authRequest is null, sessionProposal is not null.
            replacement: _SessionProposalWidget(sessionProposal: sessionProposal!),
@ -126,16 +135,21 @@ class _ConnectionMetadataDisplayWidget extends StatelessWidget {
 }

 class _AuthRequestWidget extends StatelessWidget {
-  const _AuthRequestWidget({required this.wallet, this.authRequest});
+  const _AuthRequestWidget({
+    required this.wallet,
+    required this.chaindIdNamespace,
+    this.authRequest,
+  });

  final Web3Wallet wallet;
+  final String chaindIdNamespace;
  final AuthRequestModel? authRequest;

  @override
  Widget build(BuildContext context) {
    final model = ConnectionModel(
      text: wallet.formatAuthMessage(
-        iss: 'did:pkh:eip155:1:${authRequest!.iss}',
+        iss: 'did:pkh:$chaindIdNamespace:${authRequest!.iss}',
        cacaoPayload: CacaoRequestPayload.fromPayloadParams(
          authRequest!.request.payloadParams,
        ),
--- a/lib/src/screens/wallet_list/wallet_list_page.dart
+++ b/lib/src/screens/wallet_list/wallet_list_page.dart
@ -49,6 +49,7 @@ class WalletListBodyState extends State<WalletListBody> {
  final ethereumIcon = Image.asset('assets/images/eth_icon.png', height: 24, width: 24);
  final bitcoinCashIcon = Image.asset('assets/images/bch_icon.png', height: 24, width: 24);
  final nanoIcon = Image.asset('assets/images/nano_icon.png', height: 24, width: 24);
+  final polygonIcon = Image.asset('assets/images/matic_icon.png', height: 24, width: 24);
  final scrollController = ScrollController();
  final double tileHeight = 60;
  Flushbar<void>? _progressBar;
@ -256,6 +257,8 @@ class WalletListBodyState extends State<WalletListBody> {
        return bitcoinCashIcon;
      case WalletType.nano:
        return nanoIcon;
+      case WalletType.polygon:
+        return polygonIcon;
      default:
        return nonWalletTypeIcon;
    }
--- a/lib/store/app_store.dart
+++ b/lib/store/app_store.dart
@ -1,8 +1,8 @@
 import 'package:cake_wallet/core/wallet_connect/web3wallet_service.dart';
 import 'package:cake_wallet/di.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/utils/exception_handler.dart';
 import 'package:cw_core/transaction_info.dart';
-import 'package:cw_core/wallet_type.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cw_core/balance.dart';
 import 'package:cw_core/wallet_base.dart';
@ -44,7 +44,7 @@ abstract class AppStoreBase with Store {
    this.wallet = wallet;
    this.wallet!.setExceptionHandler(ExceptionHandler.onError);

-    if (wallet.type == WalletType.ethereum) {
+    if (isEVMCompatibleChain(wallet.type)) {
      getIt.get<Web3WalletService>().init();
    }
  }
--- a/lib/store/settings_store.dart
+++ b/lib/store/settings_store.dart
@ -12,6 +12,7 @@ import 'package:cake_wallet/entities/preferences_key.dart';
 import 'package:cake_wallet/entities/seed_phrase_length.dart';
 import 'package:cake_wallet/entities/seed_type.dart';
 import 'package:cake_wallet/entities/sort_balance_types.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/exchange/provider/trocador_exchange_provider.dart';
 import 'package:cake_wallet/view_model/settings/sync_mode.dart';
 import 'package:cake_wallet/utils/device_info.dart';
@ -88,6 +89,7 @@ abstract class SettingsStoreBase with Store {
      required this.sortBalanceBy,
      required this.pinNativeTokenAtTop,
      required this.useEtherscan,
+      required this.usePolygonScan,
      required this.defaultNanoRep,
      required this.defaultBananoRep,
      required this.lookupsTwitter,
@ -101,6 +103,7 @@ abstract class SettingsStoreBase with Store {
      TransactionPriority? initialHavenTransactionPriority,
      TransactionPriority? initialLitecoinTransactionPriority,
      TransactionPriority? initialEthereumTransactionPriority,
+      TransactionPriority? initialPolygonTransactionPriority,
      TransactionPriority? initialBitcoinCashTransactionPriority})
      : nodes = ObservableMap<WalletType, Node>.of(nodes),
        powNodes = ObservableMap<WalletType, Node>.of(powNodes),
@ -165,6 +168,10 @@ abstract class SettingsStoreBase with Store {
      priority[WalletType.ethereum] = initialEthereumTransactionPriority;
    }

+    if (initialPolygonTransactionPriority != null) {
+      priority[WalletType.polygon] = initialPolygonTransactionPriority;
+    }
+
    if (initialBitcoinCashTransactionPriority != null) {
      priority[WalletType.bitcoinCash] = initialBitcoinCashTransactionPriority;
    }
@ -202,6 +209,9 @@ abstract class SettingsStoreBase with Store {
        case WalletType.bitcoinCash:
          key = PreferencesKey.bitcoinCashTransactionPriority;
          break;
+        case WalletType.polygon:
+          key = PreferencesKey.polygonTransactionPriority;
+          break;
        default:
          key = null;
      }
@ -245,8 +255,8 @@ abstract class SettingsStoreBase with Store {

    reaction(
        (_) => moneroSeedType,
-        (SeedType moneroSeedType) => sharedPreferences.setInt(
-            PreferencesKey.moneroSeedType, moneroSeedType.raw));
+        (SeedType moneroSeedType) =>
+            sharedPreferences.setInt(PreferencesKey.moneroSeedType, moneroSeedType.raw));

    reaction(
        (_) => fiatApiMode,
@ -343,8 +353,8 @@ abstract class SettingsStoreBase with Store {

    reaction(
        (_) => seedPhraseLength,
-            (SeedPhraseLength seedPhraseWordCount) =>
-            sharedPreferences.setInt(PreferencesKey.currentSeedPhraseLength, seedPhraseWordCount.value));
+        (SeedPhraseLength seedPhraseWordCount) => sharedPreferences.setInt(
+            PreferencesKey.currentSeedPhraseLength, seedPhraseWordCount.value));

    reaction(
        (_) => pinTimeOutDuration,
@ -388,6 +398,11 @@ abstract class SettingsStoreBase with Store {
        (bool useEtherscan) =>
            _sharedPreferences.setBool(PreferencesKey.useEtherscan, useEtherscan));

+    reaction(
+        (_) => usePolygonScan,
+        (bool usePolygonScan) =>
+            _sharedPreferences.setBool(PreferencesKey.usePolygonScan, usePolygonScan));
+
    reaction((_) => defaultNanoRep,
        (String nanoRep) => _sharedPreferences.setString(PreferencesKey.defaultNanoRep, nanoRep));

@ -412,18 +427,16 @@ abstract class SettingsStoreBase with Store {

    reaction(
        (_) => lookupsUnstoppableDomains,
-            (bool looksUpUnstoppableDomains) =>
-            _sharedPreferences.setBool(PreferencesKey.lookupsUnstoppableDomains, looksUpUnstoppableDomains));
+        (bool looksUpUnstoppableDomains) => _sharedPreferences.setBool(
+            PreferencesKey.lookupsUnstoppableDomains, looksUpUnstoppableDomains));

    reaction(
        (_) => lookupsOpenAlias,
        (bool looksUpOpenAlias) =>
            _sharedPreferences.setBool(PreferencesKey.lookupsOpenAlias, looksUpOpenAlias));

-    reaction(
-            (_) => lookupsENS,
-            (bool looksUpENS) =>
-            _sharedPreferences.setBool(PreferencesKey.lookupsENS, looksUpENS));
+    reaction((_) => lookupsENS,
+        (bool looksUpENS) => _sharedPreferences.setBool(PreferencesKey.lookupsENS, looksUpENS));

    this.nodes.observe((change) {
      if (change.newValue != null && change.key != null) {
@ -562,6 +575,9 @@ abstract class SettingsStoreBase with Store {
  @observable
  bool useEtherscan;

+  @observable
+  bool usePolygonScan;
+
  @observable
  String defaultNanoRep;

@ -651,6 +667,7 @@ abstract class SettingsStoreBase with Store {
    TransactionPriority? havenTransactionPriority;
    TransactionPriority? litecoinTransactionPriority;
    TransactionPriority? ethereumTransactionPriority;
+    TransactionPriority? polygonTransactionPriority;
    TransactionPriority? bitcoinCashTransactionPriority;

    if (sharedPreferences.getInt(PreferencesKey.havenTransactionPriority) != null) {
@ -662,9 +679,13 @@ abstract class SettingsStoreBase with Store {
          sharedPreferences.getInt(PreferencesKey.litecoinTransactionPriority)!);
    }
    if (sharedPreferences.getInt(PreferencesKey.ethereumTransactionPriority) != null) {
-      ethereumTransactionPriority = bitcoin?.deserializeLitecoinTransactionPriority(
+      ethereumTransactionPriority = ethereum?.deserializeEthereumTransactionPriority(
          sharedPreferences.getInt(PreferencesKey.ethereumTransactionPriority)!);
    }
+    if (sharedPreferences.getInt(PreferencesKey.polygonTransactionPriority) != null) {
+      polygonTransactionPriority = polygon?.deserializePolygonTransactionPriority(
+          sharedPreferences.getInt(PreferencesKey.polygonTransactionPriority)!);
+    }
    if (sharedPreferences.getInt(PreferencesKey.bitcoinCashTransactionPriority) != null) {
      bitcoinCashTransactionPriority = bitcoinCash?.deserializeBitcoinCashTransactionPriority(
          sharedPreferences.getInt(PreferencesKey.bitcoinCashTransactionPriority)!);
@ -676,6 +697,7 @@ abstract class SettingsStoreBase with Store {
    litecoinTransactionPriority ??= bitcoin?.getLitecoinTransactionPriorityMedium();
    ethereumTransactionPriority ??= ethereum?.getDefaultTransactionPriority();
    bitcoinCashTransactionPriority ??= bitcoinCash?.getDefaultTransactionPriority();
+    polygonTransactionPriority ??= polygon?.getDefaultTransactionPriority();

    final currentBalanceDisplayMode = BalanceDisplayMode.deserialize(
        raw: sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey)!);
@ -749,12 +771,14 @@ abstract class SettingsStoreBase with Store {
    final pinNativeTokenAtTop =
        sharedPreferences.getBool(PreferencesKey.pinNativeTokenAtTop) ?? true;
    final useEtherscan = sharedPreferences.getBool(PreferencesKey.useEtherscan) ?? true;
+    final usePolygonScan = sharedPreferences.getBool(PreferencesKey.usePolygonScan) ?? true;
    final defaultNanoRep = sharedPreferences.getString(PreferencesKey.defaultNanoRep) ?? "";
    final defaultBananoRep = sharedPreferences.getString(PreferencesKey.defaultBananoRep) ?? "";
    final lookupsTwitter = sharedPreferences.getBool(PreferencesKey.lookupsTwitter) ?? true;
    final lookupsMastodon = sharedPreferences.getBool(PreferencesKey.lookupsMastodon) ?? true;
    final lookupsYatService = sharedPreferences.getBool(PreferencesKey.lookupsYatService) ?? true;
-    final lookupsUnstoppableDomains = sharedPreferences.getBool(PreferencesKey.lookupsUnstoppableDomains) ?? true;
+    final lookupsUnstoppableDomains =
+        sharedPreferences.getBool(PreferencesKey.lookupsUnstoppableDomains) ?? true;
    final lookupsOpenAlias = sharedPreferences.getBool(PreferencesKey.lookupsOpenAlias) ?? true;
    final lookupsENS = sharedPreferences.getBool(PreferencesKey.lookupsENS) ?? true;

@ -774,6 +798,7 @@ abstract class SettingsStoreBase with Store {
        sharedPreferences.getInt(PreferencesKey.currentBitcoinCashNodeIdKey);
    final havenNodeId = sharedPreferences.getInt(PreferencesKey.currentHavenNodeIdKey);
    final ethereumNodeId = sharedPreferences.getInt(PreferencesKey.currentEthereumNodeIdKey);
+    final polygonNodeId = sharedPreferences.getInt(PreferencesKey.currentPolygonNodeIdKey);
    final nanoNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoNodeIdKey);
    final nanoPowNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoPowNodeIdKey);
    final moneroNode = nodeSource.get(nodeId);
@ -781,6 +806,7 @@ abstract class SettingsStoreBase with Store {
    final litecoinElectrumServer = nodeSource.get(litecoinElectrumServerId);
    final havenNode = nodeSource.get(havenNodeId);
    final ethereumNode = nodeSource.get(ethereumNodeId);
+    final polygonNode = nodeSource.get(polygonNodeId);
    final bitcoinCashElectrumServer = nodeSource.get(bitcoinCashElectrumServerId);
    final nanoNode = nodeSource.get(nanoNodeId);
    final nanoPowNode = powNodeSource.get(nanoPowNodeId);
@ -824,6 +850,10 @@ abstract class SettingsStoreBase with Store {
      nodes[WalletType.ethereum] = ethereumNode;
    }

+    if (polygonNode != null) {
+      nodes[WalletType.polygon] = polygonNode;
+    }
+
    if (bitcoinCashElectrumServer != null) {
      nodes[WalletType.bitcoinCash] = bitcoinCashElectrumServer;
    }
@ -869,10 +899,12 @@ abstract class SettingsStoreBase with Store {
        actionlistDisplayMode: actionListDisplayMode,
        initialPinLength: pinLength,
        pinTimeOutDuration: pinCodeTimeOutDuration,
-        seedPhraseLength: seedPhraseWordCount,initialLanguageCode: savedLanguageCode,
+        seedPhraseLength: seedPhraseWordCount,
+        initialLanguageCode: savedLanguageCode,
        sortBalanceBy: sortBalanceBy,
        pinNativeTokenAtTop: pinNativeTokenAtTop,
        useEtherscan: useEtherscan,
+        usePolygonScan: usePolygonScan,
        defaultNanoRep: defaultNanoRep,
        defaultBananoRep: defaultBananoRep,
        lookupsTwitter: lookupsTwitter,
@ -900,6 +932,7 @@ abstract class SettingsStoreBase with Store {
        initialShouldRequireTOTP2FAForAllSecurityAndBackupSettings:
            shouldRequireTOTP2FAForAllSecurityAndBackupSettings,
        initialEthereumTransactionPriority: ethereumTransactionPriority,
+        initialPolygonTransactionPriority: polygonTransactionPriority,
        backgroundTasks: backgroundTasks,
        initialSyncMode: savedSyncMode,
        initialSyncAll: savedSyncAll,
@ -934,6 +967,11 @@ abstract class SettingsStoreBase with Store {
              sharedPreferences.getInt(PreferencesKey.ethereumTransactionPriority)!) ??
          priority[WalletType.ethereum]!;
    }
+    if (sharedPreferences.getInt(PreferencesKey.polygonTransactionPriority) != null) {
+      priority[WalletType.polygon] = polygon?.deserializePolygonTransactionPriority(
+              sharedPreferences.getInt(PreferencesKey.polygonTransactionPriority)!) ??
+          priority[WalletType.polygon]!;
+    }
    if (sharedPreferences.getInt(PreferencesKey.bitcoinCashTransactionPriority) != null) {
      priority[WalletType.bitcoinCash] = bitcoinCash?.deserializeBitcoinCashTransactionPriority(
              sharedPreferences.getInt(PreferencesKey.bitcoinCashTransactionPriority)!) ??
@ -1027,12 +1065,14 @@ abstract class SettingsStoreBase with Store {
        .values[sharedPreferences.getInt(PreferencesKey.sortBalanceBy) ?? sortBalanceBy.index];
    pinNativeTokenAtTop = sharedPreferences.getBool(PreferencesKey.pinNativeTokenAtTop) ?? true;
    useEtherscan = sharedPreferences.getBool(PreferencesKey.useEtherscan) ?? true;
+    usePolygonScan = sharedPreferences.getBool(PreferencesKey.usePolygonScan) ?? true;
    defaultNanoRep = sharedPreferences.getString(PreferencesKey.defaultNanoRep) ?? "";
    defaultBananoRep = sharedPreferences.getString(PreferencesKey.defaultBananoRep) ?? "";
    lookupsTwitter = sharedPreferences.getBool(PreferencesKey.lookupsTwitter) ?? true;
    lookupsMastodon = sharedPreferences.getBool(PreferencesKey.lookupsMastodon) ?? true;
    lookupsYatService = sharedPreferences.getBool(PreferencesKey.lookupsYatService) ?? true;
-    lookupsUnstoppableDomains = sharedPreferences.getBool(PreferencesKey.lookupsUnstoppableDomains) ?? true;
+    lookupsUnstoppableDomains =
+        sharedPreferences.getBool(PreferencesKey.lookupsUnstoppableDomains) ?? true;
    lookupsOpenAlias = sharedPreferences.getBool(PreferencesKey.lookupsOpenAlias) ?? true;
    lookupsENS = sharedPreferences.getBool(PreferencesKey.lookupsENS) ?? true;

@ -1045,6 +1085,7 @@ abstract class SettingsStoreBase with Store {
        sharedPreferences.getInt(PreferencesKey.currentBitcoinCashNodeIdKey);
    final havenNodeId = sharedPreferences.getInt(PreferencesKey.currentHavenNodeIdKey);
    final ethereumNodeId = sharedPreferences.getInt(PreferencesKey.currentEthereumNodeIdKey);
+    final polygonNodeId = sharedPreferences.getInt(PreferencesKey.currentPolygonNodeIdKey);
    final nanoNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoNodeIdKey);
    final nanoPowNodeId = sharedPreferences.getInt(PreferencesKey.currentNanoNodeIdKey);
    final moneroNode = nodeSource.get(nodeId);
@ -1052,6 +1093,7 @@ abstract class SettingsStoreBase with Store {
    final litecoinElectrumServer = nodeSource.get(litecoinElectrumServerId);
    final havenNode = nodeSource.get(havenNodeId);
    final ethereumNode = nodeSource.get(ethereumNodeId);
+    final polygonNode = nodeSource.get(polygonNodeId);
    final bitcoinCashNode = nodeSource.get(bitcoinCashElectrumServerId);
    final nanoNode = nodeSource.get(nanoNodeId);

@ -1075,6 +1117,10 @@ abstract class SettingsStoreBase with Store {
      nodes[WalletType.ethereum] = ethereumNode;
    }

+    if (polygonNode != null) {
+      nodes[WalletType.polygon] = polygonNode;
+    }
+
    if (bitcoinCashNode != null) {
      nodes[WalletType.bitcoinCash] = bitcoinCashNode;
    }
@ -1110,6 +1156,9 @@ abstract class SettingsStoreBase with Store {
      case WalletType.nano:
        await _sharedPreferences.setInt(PreferencesKey.currentNanoNodeIdKey, node.key as int);
        break;
+      case WalletType.polygon:
+        await _sharedPreferences.setInt(PreferencesKey.currentPolygonNodeIdKey, node.key as int);
+        break;
      default:
        break;
    }
@ -1141,7 +1190,6 @@ abstract class SettingsStoreBase with Store {
    trocadorProviderStates[providerName] = state;
  }

-
  static Future<String?> _getDeviceName() async {
    String? deviceName = '';
    final deviceInfoPlugin = DeviceInfoPlugin();
--- a/lib/view_model/dashboard/balance_view_model.dart
+++ b/lib/view_model/dashboard/balance_view_model.dart
@ -1,5 +1,6 @@
 import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/entities/sort_balance_types.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cw_core/transaction_history.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/balance.dart';
@ -81,7 +82,7 @@ abstract class BalanceViewModelBase with Store {
  bool get isFiatDisabled => settingsStore.fiatApiMode == FiatApiMode.disabled;

  @computed
-  bool get isHomeScreenSettingsEnabled => wallet.type == WalletType.ethereum;
+  bool get isHomeScreenSettingsEnabled => isEVMCompatibleChain(wallet.type);

  @computed
  bool get hasAccounts => wallet.type == WalletType.monero;
@ -123,6 +124,7 @@ abstract class BalanceViewModelBase with Store {
      case WalletType.monero:
      case WalletType.haven:
      case WalletType.ethereum:
+      case WalletType.polygon:
        return S.current.xmr_available_balance;
      default:
        return S.current.confirmed;
@ -135,6 +137,7 @@ abstract class BalanceViewModelBase with Store {
      case WalletType.monero:
      case WalletType.haven:
      case WalletType.ethereum:
+      case WalletType.polygon:
        return S.current.xmr_full_balance;
      default:
        return S.current.unconfirmed;
@ -272,7 +275,8 @@ abstract class BalanceViewModelBase with Store {
  }

  @computed
-  bool get hasAdditionalBalance => wallet.type != WalletType.ethereum;
+  bool get hasAdditionalBalance => !isEVMCompatibleChain(wallet.type);
+   

  @computed
  List<BalanceRecord> get formattedBalances {
--- a/lib/view_model/dashboard/home_settings_view_model.dart
+++ b/lib/view_model/dashboard/home_settings_view_model.dart
@ -2,10 +2,12 @@ import 'package:cake_wallet/core/fiat_conversion_service.dart';
 import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/entities/sort_balance_types.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/erc20_token.dart';
+import 'package:cw_core/wallet_type.dart';
 import 'package:mobx/mobx.dart';

 part 'home_settings_view_model.g.dart';
@ -42,18 +44,41 @@ abstract class HomeSettingsViewModelBase with Store {
  void setPinNativeToken(bool value) => _settingsStore.pinNativeTokenAtTop = value;

  Future<void> addErc20Token(Erc20Token token) async {
+    if (_balanceViewModel.wallet.type == WalletType.ethereum) {
      await ethereum!.addErc20Token(_balanceViewModel.wallet, token);
+    }
+
+    if (_balanceViewModel.wallet.type == WalletType.polygon) {
+      await polygon!.addErc20Token(_balanceViewModel.wallet, token);
+    }
+
    _updateTokensList();
    _updateFiatPrices(token);
  }

  Future<void> deleteErc20Token(Erc20Token token) async {
+    if (_balanceViewModel.wallet.type == WalletType.ethereum) {
      await ethereum!.deleteErc20Token(_balanceViewModel.wallet, token);
+    }
+
+    if (_balanceViewModel.wallet.type == WalletType.polygon) {
+      await polygon!.deleteErc20Token(_balanceViewModel.wallet, token);
+    }
+
    _updateTokensList();
  }

-  Future<Erc20Token?> getErc20Token(String contractAddress) async =>
-      await ethereum!.getErc20Token(_balanceViewModel.wallet, contractAddress);
+  Future<Erc20Token?> getErc20Token(String contractAddress) async {
+    if (_balanceViewModel.wallet.type == WalletType.ethereum) {
+      return await ethereum!.getErc20Token(_balanceViewModel.wallet, contractAddress);
+    }
+
+    if (_balanceViewModel.wallet.type == WalletType.polygon) {
+      return await polygon!.getErc20Token(_balanceViewModel.wallet, contractAddress);
+    }
+
+    return null;
+  }

  CryptoCurrency get nativeToken => _balanceViewModel.wallet.currency;

@ -69,7 +94,12 @@ abstract class HomeSettingsViewModelBase with Store {

  void changeTokenAvailability(Erc20Token token, bool value) async {
    token.enabled = value;
+    if (_balanceViewModel.wallet.type == WalletType.ethereum) {
      ethereum!.addErc20Token(_balanceViewModel.wallet, token);
+    }
+    if (_balanceViewModel.wallet.type == WalletType.polygon) {
+      polygon!.addErc20Token(_balanceViewModel.wallet, token);
+    }
    _refreshTokensList();
  }

@ -83,7 +113,8 @@ abstract class HomeSettingsViewModelBase with Store {
        return -1;
      } else if (e2.enabled && !e1.enabled) {
        return 1;
-      } else if (!e1.enabled && !e2.enabled) { // if both are disabled then sort alphabetically
+      } else if (!e1.enabled && !e2.enabled) {
+        // if both are disabled then sort alphabetically
        return e1.name.compareTo(e2.name);
      }

@ -92,6 +123,7 @@ abstract class HomeSettingsViewModelBase with Store {

    tokens.clear();

+    if (_balanceViewModel.wallet.type == WalletType.ethereum) {
      tokens.addAll(ethereum!
          .getERC20Currencies(_balanceViewModel.wallet)
          .where((element) => _matchesSearchText(element))
@ -99,6 +131,15 @@ abstract class HomeSettingsViewModelBase with Store {
        ..sort(_sortFunc));
    }

+    if (_balanceViewModel.wallet.type == WalletType.polygon) {
+      tokens.addAll(polygon!
+          .getERC20Currencies(_balanceViewModel.wallet)
+          .where((element) => _matchesSearchText(element))
+          .toList()
+        ..sort(_sortFunc));
+    }
+  }
+
  @action
  void _refreshTokensList() {
    final _tokens = Set.of(tokens);
--- a/lib/view_model/dashboard/nft_view_model.dart
+++ b/lib/view_model/dashboard/nft_view_model.dart
@ -1,10 +1,9 @@
-// ignore_for_file: public_member_api_docs, sort_constructors_first
 import 'dart:convert';
 import 'dart:developer';

 import 'package:cake_wallet/core/wallet_connect/wc_bottom_sheet_service.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/src/screens/wallet_connect/widgets/message_display_widget.dart';
-import 'package:cw_core/wallet_type.dart';
 import 'package:http/http.dart' as http;
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/.secrets.g.dart' as secrets;
@ -39,23 +38,26 @@ abstract class NFTViewModelBase with Store {

  @action
  Future<void> getNFTAssetByWallet() async {
-    if (appStore.wallet!.type != WalletType.ethereum) return;
+    if (!isEVMCompatibleChain(appStore.wallet!.type)) return;

    final walletAddress = appStore.wallet!.walletInfo.address;
    log('Fetching wallet NFTs for $walletAddress');

+    final chainName = getChainNameBasedOnWalletType(appStore.wallet!.type);
    // the [chain] refers to the chain network that the nft is on
    // the [format] refers to the number format type of the responses
    // the [normalizedMetadata] field is a boolean that determines if
    // the response would include a json string of the NFT Metadata that can be decoded
    // and used within the wallet
+    // the [excludeSpam] field is a boolean that determines if spam nfts be excluded from the response.
    final uri = Uri.https(
      'deep-index.moralis.io',
      '/api/v2.2/$walletAddress/nft',
      {
-        "chain": "eth",
+        "chain": chainName,
        "format": "decimal",
        "media_items": "false",
+        "exclude_spam": "true",
        "normalizeMetadata": "true",
      },
    );
@ -94,7 +96,7 @@ abstract class NFTViewModelBase with Store {

  @action
  Future<void> importNFT(String tokenAddress, String tokenId) async {
-    
+    final chainName = getChainNameBasedOnWalletType(appStore.wallet!.type);
    // the [chain] refers to the chain network that the nft is on
    // the [format] refers to the number format type of the responses
    // the [normalizedMetadata] field is a boolean that determines if
@ -104,7 +106,7 @@ abstract class NFTViewModelBase with Store {
      'deep-index.moralis.io',
      '/api/v2.2/nft/$tokenAddress/$tokenId',
      {
-        "chain": "eth",
+        "chain": chainName,
        "format": "decimal",
        "media_items": "false",
        "normalizeMetadata": "true",
--- a/lib/view_model/dashboard/transaction_list_item.dart
+++ b/lib/view_model/dashboard/transaction_list_item.dart
@ -3,6 +3,7 @@ import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/nano/nano.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cw_core/transaction_direction.dart';
 import 'package:cw_core/transaction_info.dart';
 import 'package:cake_wallet/store/settings_store.dart';
@ -91,6 +92,13 @@ class TransactionListItem extends ActionListItem with Keyable {
            cryptoAmount: ethereum!.formatterEthereumAmountToDouble(transaction: transaction),
            price: price);
        break;
+      case WalletType.polygon:
+        final asset = polygon!.assetOfTransaction(balanceViewModel.wallet, transaction);
+        final price = balanceViewModel.fiatConvertationStore.prices[asset];
+        amount = calculateFiatAmountRaw(
+            cryptoAmount: polygon!.formatterPolygonAmountToDouble(transaction: transaction),
+            price: price);
+        break;
      case WalletType.nano:
        amount = calculateFiatAmountRaw(
            cryptoAmount: double.parse(nanoUtil!.getRawAsDecimalString(
--- a/lib/view_model/exchange/exchange_trade_view_model.dart
+++ b/lib/view_model/exchange/exchange_trade_view_model.dart
@ -28,10 +28,7 @@ abstract class ExchangeTradeViewModelBase with Store {
      required this.tradesStore,
      required this.sendViewModel})
      : trade = tradesStore.trade!,
-        isSendable = tradesStore.trade!.from == wallet.currency ||
-            tradesStore.trade!.provider == ExchangeProviderDescription.xmrto ||
-            (wallet.currency == CryptoCurrency.eth &&
-                tradesStore.trade!.from.tag == CryptoCurrency.eth.title),
+        isSendable = _checkIfCanSend(tradesStore, wallet),
        items = ObservableList<ExchangeTradeItem>() {
    switch (trade.provider) {
      case ExchangeProviderDescription.changeNow:
@ -155,4 +152,19 @@ abstract class ExchangeTradeViewModelBase with Store {
          isCopied: true),
    ]);
  }
+
+  static bool _checkIfCanSend(TradesStore tradesStore, WalletBase wallet) {
+    bool _isEthToken() =>
+        wallet.currency == CryptoCurrency.eth &&
+        tradesStore.trade!.from.tag == CryptoCurrency.eth.title;
+
+    bool _isPolygonToken() =>
+        wallet.currency == CryptoCurrency.maticpoly &&
+        tradesStore.trade!.from.tag == CryptoCurrency.maticpoly.tag;
+
+    return tradesStore.trade!.from == wallet.currency ||
+        tradesStore.trade!.provider == ExchangeProviderDescription.xmrto ||
+        _isEthToken() ||
+        _isPolygonToken();
+  }
 }
--- a/lib/view_model/exchange/exchange_view_model.dart
+++ b/lib/view_model/exchange/exchange_view_model.dart
@ -23,6 +23,7 @@ import 'package:cake_wallet/exchange/trade.dart';
 import 'package:cake_wallet/exchange/trade_request.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/monero/monero.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/store/dashboard/trades_store.dart';
 import 'package:cake_wallet/store/settings_store.dart';
@ -287,6 +288,8 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
        return transactionPriority == ethereum!.getEthereumTransactionPrioritySlow();
      case WalletType.bitcoinCash:
        return transactionPriority == bitcoinCash!.getBitcoinCashTransactionPrioritySlow();
+      case WalletType.polygon:
+        return transactionPriority == polygon!.getPolygonTransactionPrioritySlow();
      default:
        return false;
    }
@ -626,6 +629,10 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
        depositCurrency = CryptoCurrency.nano;
        receiveCurrency = CryptoCurrency.xmr;
        break;
+      case WalletType.polygon:
+        depositCurrency = CryptoCurrency.maticpoly;
+        receiveCurrency = CryptoCurrency.xmr;
+        break;
      default:
        break;
    }
@ -713,6 +720,9 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
      case WalletType.bitcoinCash:
        _settingsStore.priority[wallet.type] = bitcoinCash!.getDefaultTransactionPriority();
        break;
+      case WalletType.polygon:
+        _settingsStore.priority[wallet.type] = polygon!.getDefaultTransactionPriority();
+        break;
      default:
        break;
    }
--- a/lib/view_model/node_list/node_list_view_model.dart
+++ b/lib/view_model/node_list/node_list_view_model.dart
@ -76,6 +76,9 @@ abstract class NodeListViewModelBase with Store {
      case WalletType.nano:
        node = getNanoDefaultNode(nodes: _nodeSource)!;
        break;
+      case WalletType.polygon:
+        node = getPolygonDefaultNode(nodes: _nodeSource)!;
+        break;
      default:
        throw Exception('Unexpected wallet type: ${_appStore.wallet!.type}');
    }
--- a/lib/view_model/restore/restore_from_qr_vm.dart
+++ b/lib/view_model/restore/restore_from_qr_vm.dart
@ -2,6 +2,7 @@ import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/nano/nano.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/view_model/restore/restore_mode.dart';
 import 'package:cake_wallet/view_model/restore/restore_wallet.dart';
 import 'package:hive/hive.dart';
@ -71,6 +72,9 @@ abstract class WalletRestorationFromQRVMBase extends WalletCreationVM with Store
          case WalletType.ethereum:
            return ethereum!.createEthereumRestoreWalletFromPrivateKey(
                name: name, password: password, privateKey: restoreWallet.privateKey!);
+          case WalletType.polygon:
+            return polygon!.createPolygonRestoreWalletFromPrivateKey(
+                name: name, password: password, privateKey: restoreWallet.privateKey!);
          default:
            throw Exception('Unexpected type: ${restoreWallet.type.toString()}');
        }
@ -95,6 +99,9 @@ abstract class WalletRestorationFromQRVMBase extends WalletCreationVM with Store
          case WalletType.nano:
            return nano!.createNanoRestoreWalletFromSeedCredentials(
                name: name, mnemonic: restoreWallet.mnemonicSeed ?? '', password: password);
+          case WalletType.polygon:
+            return polygon!.createPolygonRestoreWalletFromSeedCredentials(
+                name: name, mnemonic: restoreWallet.mnemonicSeed ?? '', password: password);
          default:
            throw Exception('Unexpected type: ${type.toString()}');
        }
--- a/lib/view_model/restore/wallet_restore_from_qr_code.dart
+++ b/lib/view_model/restore/wallet_restore_from_qr_code.dart
@ -26,6 +26,7 @@ class WalletRestoreFromQRCode {
    'litecoin-wallet': WalletType.litecoin,
    'litecoin_wallet': WalletType.litecoin,
    'ethereum-wallet': WalletType.ethereum,
+    'polygon-wallet': WalletType.polygon,
    'nano-wallet': WalletType.nano,
    'nano_wallet': WalletType.nano,
    'bitcoincash': WalletType.bitcoinCash,
@ -157,7 +158,16 @@ class WalletRestoreFromQRCode {
      return WalletRestoreMode.keys;
    }

-    if ((type == WalletType.nano || type == WalletType.banano) && credentials.containsKey('hexSeed')) {
+    if (type == WalletType.polygon && credentials.containsKey('private_key')) {
+      final privateKey = credentials['private_key'] as String;
+      if (privateKey.isEmpty) {
+        throw Exception('Unexpected restore mode: private_key');
+      }
+      return WalletRestoreMode.keys;
+    }
+
+    if ((type == WalletType.nano || type == WalletType.banano) &&
+        credentials.containsKey('hexSeed')) {
      final hexSeed = credentials['hexSeed'] as String;
      if (hexSeed.isEmpty) {
        throw Exception('Unexpected restore mode: hexSeed');
--- a/lib/view_model/send/output.dart
+++ b/lib/view_model/send/output.dart
@ -4,6 +4,8 @@ import 'package:cake_wallet/entities/parse_address_from_domain.dart';
 import 'package:cake_wallet/entities/parsed_address.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/haven/haven.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/src/screens/send/widgets/extract_address_from_parsed.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:flutter/material.dart';
@ -27,7 +29,8 @@ const String cryptoNumberPattern = '0.0';
 class Output = OutputBase with _$Output;

 abstract class OutputBase with Store {
-  OutputBase(this._wallet, this._settingsStore, this._fiatConversationStore, this.cryptoCurrencyHandler)
+  OutputBase(
+      this._wallet, this._settingsStore, this._fiatConversationStore, this.cryptoCurrencyHandler)
      : _cryptoNumberFormat = NumberFormat(cryptoNumberPattern),
        key = UniqueKey(),
        sendAll = false,
@ -65,8 +68,7 @@ abstract class OutputBase with Store {

  @computed
  bool get isParsedAddress =>
-      parsedAddress.parseFrom != ParseFrom.notParsed &&
-      parsedAddress.name.isNotEmpty;
+      parsedAddress.parseFrom != ParseFrom.notParsed && parsedAddress.name.isNotEmpty;

  @computed
  int get formattedCryptoAmount {
@ -83,8 +85,7 @@ abstract class OutputBase with Store {
          case WalletType.bitcoin:
          case WalletType.litecoin:
          case WalletType.bitcoinCash:
-            _amount =
-                bitcoin!.formatterStringDoubleToBitcoinAmount(_cryptoAmount);
+            _amount = bitcoin!.formatterStringDoubleToBitcoinAmount(_cryptoAmount);
            break;
          case WalletType.haven:
            _amount = haven!.formatterMoneroParseAmount(amount: _cryptoAmount);
@ -92,6 +93,9 @@ abstract class OutputBase with Store {
          case WalletType.ethereum:
            _amount = ethereum!.formatterEthereumParseAmount(_cryptoAmount);
            break;
+          case WalletType.polygon:
+            _amount = polygon!.formatterPolygonParseAmount(_cryptoAmount);
+            break;
          default:
            break;
        }
@ -130,6 +134,10 @@ abstract class OutputBase with Store {
      if (_wallet.type == WalletType.ethereum) {
        return ethereum!.formatterEthereumAmountToDouble(amount: BigInt.from(fee));
      }
+
+      if (_wallet.type == WalletType.polygon) {
+        return polygon!.formatterPolygonAmountToDouble(amount: BigInt.from(fee));
+      }
    } catch (e) {
      print(e.toString());
    }
@ -140,10 +148,11 @@ abstract class OutputBase with Store {
  @computed
  String get estimatedFeeFiatAmount {
    try {
-      final currency = _wallet.type == WalletType.ethereum ? _wallet.currency : cryptoCurrencyHandler();
+      final currency = isEVMCompatibleChain(_wallet.type)
+          ? _wallet.currency
+          : cryptoCurrencyHandler();
      final fiat = calculateFiatAmountRaw(
-          price: _fiatConversationStore.prices[currency]!,
-          cryptoAmount: estimatedFee);
+          price: _fiatConversationStore.prices[currency]!, cryptoAmount: estimatedFee);
      return fiat;
    } catch (_) {
      return '0.00';
@ -240,6 +249,7 @@ abstract class OutputBase with Store {
        maximumFractionDigits = 12;
        break;
      case WalletType.ethereum:
+      case WalletType.polygon:
        maximumFractionDigits = 12;
        break;
      default:
--- a/lib/view_model/send/send_template_view_model.dart
+++ b/lib/view_model/send/send_template_view_model.dart
@ -50,7 +50,9 @@ abstract class SendTemplateViewModelBase with Store {
  TemplateValidator get templateValidator => TemplateValidator();

  bool get hasMultiRecipient =>
-      _wallet.type != WalletType.haven && _wallet.type != WalletType.ethereum;
+      _wallet.type != WalletType.haven &&
+      _wallet.type != WalletType.ethereum &&
+      _wallet.type != WalletType.polygon;

  @computed
  CryptoCurrency get cryptoCurrency => _wallet.currency;
--- a/lib/view_model/send/send_view_model.dart
+++ b/lib/view_model/send/send_view_model.dart
@ -5,6 +5,8 @@ import 'package:cake_wallet/nano/nano.dart';
 import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
 import 'package:cake_wallet/entities/contact_record.dart';
 import 'package:cake_wallet/entities/wallet_contact.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/view_model/contact_list/contact_list_view_model.dart';
 import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart';
@ -42,7 +44,7 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
  void onWalletChange(wallet) {
    currencies = wallet.balance.keys.toList();
    selectedCryptoCurrency = wallet.currency;
-    hasMultipleTokens = wallet.type == WalletType.ethereum;
+    hasMultipleTokens = isEVMCompatibleChain(wallet.type);
  }

  SendViewModelBase(
@ -55,7 +57,7 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
  )   : state = InitialExecutionState(),
        currencies = appStore.wallet!.balance.keys.toList(),
        selectedCryptoCurrency = appStore.wallet!.currency,
-        hasMultipleTokens = appStore.wallet!.type == WalletType.ethereum,
+        hasMultipleTokens = isEVMCompatibleChain(appStore.wallet!.type),
        outputs = ObservableList<Output>(),
        _settingsStore = appStore.settingsStore,
        fiatFromSettings = appStore.settingsStore.fiatCurrency,
@ -119,7 +121,7 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
    try {
      if (pendingTransaction != null) {
        final currency =
-            walletType == WalletType.ethereum ? wallet.currency : selectedCryptoCurrency;
+            isEVMCompatibleChain(walletType) ? wallet.currency : selectedCryptoCurrency;
        final fiat = calculateFiatAmount(
            price: _fiatConversationStore.prices[currency]!,
            cryptoAmount: pendingTransaction!.feeFormatted);
@ -372,6 +374,9 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
            priority: priority!, currency: selectedCryptoCurrency);
      case WalletType.nano:
        return nano!.createNanoTransactionCredentials(outputs);
+      case WalletType.polygon:
+        return polygon!.createPolygonTransactionCredentials(outputs,
+            priority: priority!, currency: selectedCryptoCurrency);
      default:
        throw Exception('Unexpected wallet type: ${wallet.type}');
    }
@ -412,11 +417,15 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
    WalletType walletType,
    CryptoCurrency currency,
  ) {
-    if (walletType == WalletType.ethereum || walletType == WalletType.haven) {
+    if (walletType == WalletType.ethereum ||
+        walletType == WalletType.polygon ||
+        walletType == WalletType.haven) {
      if (error.contains('gas required exceeds allowance') ||
          error.contains('insufficient funds for')) {
        return S.current.do_not_have_enough_gas_asset(currency.toString());
      }
+
+      return error;
    }

    return error;
--- a/lib/view_model/settings/privacy_settings_view_model.dart
+++ b/lib/view_model/settings/privacy_settings_view_model.dart
@ -1,6 +1,7 @@
 import 'package:cake_wallet/entities/auto_generate_subaddress_status.dart';
 import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cw_core/balance.dart';
 import 'package:cw_core/transaction_history.dart';
@ -12,8 +13,7 @@ import 'package:cake_wallet/entities/fiat_api_mode.dart';

 part 'privacy_settings_view_model.g.dart';

-class
-PrivacySettingsViewModel = PrivacySettingsViewModelBase with _$PrivacySettingsViewModel;
+class PrivacySettingsViewModel = PrivacySettingsViewModelBase with _$PrivacySettingsViewModel;

 abstract class PrivacySettingsViewModelBase with Store {
  PrivacySettingsViewModelBase(this._settingsStore, this._wallet);
@ -58,6 +58,9 @@ abstract class PrivacySettingsViewModelBase with Store {
  @computed
  bool get useEtherscan => _settingsStore.useEtherscan;

+  @computed
+  bool get usePolygonScan => _settingsStore.usePolygonScan;
+
  @computed
  bool get lookupTwitter => _settingsStore.lookupsTwitter;

@ -78,6 +81,8 @@ abstract class PrivacySettingsViewModelBase with Store {

  bool get canUseEtherscan => _wallet.type == WalletType.ethereum;

+  bool get canUsePolygonScan => _wallet.type == WalletType.polygon;
+
  @action
  void setShouldSaveRecipientAddress(bool value) =>
      _settingsStore.shouldSaveRecipientAddress = value;
@ -120,4 +125,10 @@ abstract class PrivacySettingsViewModelBase with Store {
    _settingsStore.useEtherscan = value;
    ethereum!.updateEtherscanUsageState(_wallet, value);
  }
+
+  @action
+  void setUsePolygonScan(bool value) {
+    _settingsStore.usePolygonScan = value;
+    polygon!.updatePolygonScanUsageState(_wallet, value);
+  }
 }
--- a/lib/view_model/transaction_details_view_model.dart
+++ b/lib/view_model/transaction_details_view_model.dart
@ -53,6 +53,9 @@ abstract class TransactionDetailsViewModelBase with Store {
      case WalletType.nano:
        _addNanoListItems(tx, dateFormat);
        break;
+      case WalletType.polygon:
+        _addPolygonListItems(tx, dateFormat);
+        break;
      default:
        break;
    }
@ -132,6 +135,8 @@ abstract class TransactionDetailsViewModelBase with Store {
        return 'https://nanolooker.com/block/${txId}';
      case WalletType.banano:
        return 'https://bananolooker.com/block/${txId}';
+      case WalletType.polygon:
+        return 'https://polygonscan.com/tx/${txId}';
      default:
        return '';
    }
@ -154,6 +159,8 @@ abstract class TransactionDetailsViewModelBase with Store {
        return S.current.view_transaction_on + 'nanolooker.com';
      case WalletType.banano:
        return S.current.view_transaction_on + 'bananolooker.com';
+      case WalletType.polygon:
+        return S.current.view_transaction_on + 'polygonscan.com';
      default:
        return '';
    }
@ -255,4 +262,21 @@ abstract class TransactionDetailsViewModelBase with Store {

    items.addAll(_items);
  }
+
+  void _addPolygonListItems(TransactionInfo tx, DateFormat dateFormat) {
+    final _items = [
+      StandartListItem(title: S.current.transaction_details_transaction_id, value: tx.id),
+      StandartListItem(
+          title: S.current.transaction_details_date, value: dateFormat.format(tx.date)),
+      StandartListItem(title: S.current.confirmations, value: tx.confirmations.toString()),
+      StandartListItem(title: S.current.transaction_details_height, value: '${tx.height}'),
+      StandartListItem(title: S.current.transaction_details_amount, value: tx.amountFormatted()),
+      if (tx.feeFormatted()?.isNotEmpty ?? false)
+        StandartListItem(title: S.current.transaction_details_fee, value: tx.feeFormatted()!),
+      if (showRecipientAddress && tx.to != null)
+        StandartListItem(title: S.current.transaction_details_recipient_address, value: tx.to!),
+    ];
+
+    items.addAll(_items);
+  }
 }
--- a/lib/view_model/wallet_address_list/wallet_address_list_view_model.dart
+++ b/lib/view_model/wallet_address_list/wallet_address_list_view_model.dart
@ -1,6 +1,7 @@
 import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/entities/fiat_currency.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
 import 'package:cake_wallet/store/yat/yat_store.dart';
 import 'package:cw_core/currency.dart';
@ -139,6 +140,22 @@ class NanoURI extends PaymentURI {
  }
 }

+class PolygonURI extends PaymentURI {
+  PolygonURI({required String amount, required String address})
+      : super(amount: amount, address: address);
+
+  @override
+  String toString() {
+    var base = 'polygon:' + address;
+
+    if (amount.isNotEmpty) {
+      base += '?amount=${amount.replaceAll(',', '.')}';
+    }
+
+    return base;
+  }
+}
+
 abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewModel with Store {
  WalletAddressListViewModelBase({
    required AppStore appStore,
@ -215,6 +232,10 @@ abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewMo
      return NanoURI(amount: amount, address: address.address);
    }

+    if (wallet.type == WalletType.polygon) {
+      return PolygonURI(amount: amount, address: address.address);
+    }
+
    throw Exception('Unexpected type: ${type.toString()}');
  }

@ -273,6 +294,12 @@ abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewMo
      addressList.add(WalletAddressListItem(isPrimary: true, name: null, address: primaryAddress));
    }

+    if (wallet.type == WalletType.polygon) {
+      final primaryAddress = polygon!.getAddress(wallet);
+
+      addressList.add(WalletAddressListItem(isPrimary: true, name: null, address: primaryAddress));
+    }
+
    return addressList;
  }

--- a/lib/view_model/wallet_keys_view_model.dart
+++ b/lib/view_model/wallet_keys_view_model.dart
@ -1,3 +1,4 @@
+import 'package:cake_wallet/reactions/wallet_connect.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cw_core/transaction_direction.dart';
 import 'package:cw_core/transaction_info.dart';
@ -19,7 +20,8 @@ abstract class WalletKeysViewModelBase with Store {
      : title = _appStore.wallet!.type == WalletType.bitcoin ||
                _appStore.wallet!.type == WalletType.litecoin ||
                _appStore.wallet!.type == WalletType.bitcoinCash ||
-                _appStore.wallet!.type == WalletType.ethereum
+                _appStore.wallet!.type == WalletType.ethereum ||
+                _appStore.wallet!.type == WalletType.polygon
            ? S.current.wallet_seed
            : S.current.wallet_keys,
        _restoreHeight = _appStore.wallet!.walletInfo.restoreHeight,
@ -98,7 +100,7 @@ abstract class WalletKeysViewModelBase with Store {
      ]);
    }

-    if (_appStore.wallet!.type == WalletType.ethereum) {
+    if (isEVMCompatibleChain(_appStore.wallet!.type)) {
      items.addAll([
        if (_appStore.wallet!.privateKey != null)
          StandartListItem(title: S.current.private_key, value: _appStore.wallet!.privateKey!),
@ -151,6 +153,8 @@ abstract class WalletKeysViewModelBase with Store {
        return 'nano-wallet';
      case WalletType.banano:
        return 'banano-wallet';
+      case WalletType.polygon:
+        return 'polygon-wallet';
      default:
        throw Exception('Unexpected wallet type: ${_appStore.wallet!.toString()}');
    }
--- a/lib/view_model/wallet_new_vm.dart
+++ b/lib/view_model/wallet_new_vm.dart
@ -14,6 +14,8 @@ import 'package:cake_wallet/view_model/wallet_creation_vm.dart';
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/haven/haven.dart';

+import '../polygon/polygon.dart';
+
 part 'wallet_new_vm.g.dart';

 class WalletNewVM = WalletNewVMBase with _$WalletNewVM;
@ -52,6 +54,8 @@ abstract class WalletNewVMBase extends WalletCreationVM with Store {
        return bitcoinCash!.createBitcoinCashNewWalletCredentials(name: name);
      case WalletType.nano:
        return nano!.createNanoNewWalletCredentials(name: name);
+      case WalletType.polygon:
+        return polygon!.createPolygonNewWalletCredentials(name: name);
      default:
        throw Exception('Unexpected type: ${type.toString()}');
    }
--- a/lib/view_model/wallet_restore_view_model.dart
+++ b/lib/view_model/wallet_restore_view_model.dart
@ -3,6 +3,7 @@ import 'package:cake_wallet/di.dart';
 import 'package:cake_wallet/nano/nano.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
+import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:hive/hive.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/store/app_store.dart';
@ -28,7 +29,10 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
      : hasSeedLanguageSelector = type == WalletType.monero || type == WalletType.haven,
        hasBlockchainHeightLanguageSelector = type == WalletType.monero || type == WalletType.haven,
        hasRestoreFromPrivateKey =
-            type == WalletType.ethereum || type == WalletType.nano || type == WalletType.banano,
+            type == WalletType.ethereum ||
+            type == WalletType.polygon ||
+            type == WalletType.nano ||
+            type == WalletType.banano,
        isButtonEnabled = false,
        mode = WalletRestoreMode.seed,
        super(appStore, walletInfoSource, walletCreationService, type: type, isRecovery: true) {
@ -36,6 +40,7 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
      case WalletType.monero:
      case WalletType.haven:
      case WalletType.ethereum:
+      case WalletType.polygon:
        availableModes = WalletRestoreMode.values;
        break;
      case WalletType.nano:
@ -107,6 +112,12 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
            mnemonic: seed,
            password: password,
            derivationType: derivationType);
+        case WalletType.polygon:
+          return polygon!.createPolygonRestoreWalletFromSeedCredentials(
+            name: name,
+            mnemonic: seed,
+            password: password,
+          );
        default:
          break;
      }
@ -153,6 +164,12 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
            password: password,
            seedKey: options['private_key'] as String,
            derivationType: options["derivationType"] as DerivationType);
+        case WalletType.polygon:
+          return polygon!.createPolygonRestoreWalletFromPrivateKey(
+            name: name,
+            password: password,
+            privateKey: options['private_key'] as String,
+          );
        default:
          break;
      }
--- a/Show more
+++ b/Show more