add-gnosis

.gitignore

@@ -135,6 +135,7 @@ lib/ethereum/ethereum.dart
 lib/bitcoin_cash/bitcoin_cash.dart
 lib/nano/nano.dart
 lib/polygon/polygon.dart
+lib/gnosis/gnosis.dart
 lib/solana/solana.dart
 lib/tron/tron.dart
 lib/wownero/wownero.dart

assets/gnosis_node_list.yml

@@ -0,0 +1,4 @@
+-
+  uri: gnosis-rpc.publicnode.com
+  useSSL: true
+  isDefault: true

cakewallet.bat

@@ -1,5 +1,5 @@
 @echo off
-set cw_win_app_config=--monero --bitcoin --ethereum --polygon --nano --bitcoinCash --solana --tron
+set cw_win_app_config=--monero --bitcoin --ethereum --polygon --gnosis --nano --bitcoinCash --solana --tron
 set cw_root=%cd%
 set cw_archive_name=Cake Wallet.zip
 set cw_archive_path=%cw_root%\%cw_archive_name%

cw_core/lib/crypto_currency.dart

@@ -113,6 +113,8 @@ class CryptoCurrency extends EnumerableItem<int> with Serializable<int> implemen
     CryptoCurrency.flip,
     CryptoCurrency.deuro,
     CryptoCurrency.usdtbsc,
+    CryptoCurrency.xdai,
+    CryptoCurrency.gno,
   ];
 
   static const havenCurrencies = [
@@ -235,6 +237,8 @@ class CryptoCurrency extends EnumerableItem<int> with Serializable<int> implemen
   static const flip = CryptoCurrency(title: 'FLIP', tag: 'ETH', fullName: 'Chainflip', raw: 97, name: 'flip', iconPath: 'assets/images/flip_icon.png', decimals: 18);
   static const deuro = CryptoCurrency(title: 'DEURO', tag: 'ETH', fullName: 'Decentralized Euro', raw: 98, name: 'deuro', iconPath: 'assets/images/deuro_icon.png', decimals: 18);
   static const usdtbsc = CryptoCurrency(title: 'USDT', tag: 'BSC', fullName: 'USDT Binance coin', raw: 99, name: 'usdtbsc', iconPath: 'assets/images/usdtbsc_icon.png', decimals: 18);
+  static const xdai = CryptoCurrency(title: 'XDAI', tag: 'XDAI', fullName: 'xDAI', raw: 100, name: 'xDAI', iconPath: 'assets/images/xdai.png', decimals: 18);
+  static const gno = CryptoCurrency(title: 'GNO', tag: 'XDAI', fullName: 'Gnosis', raw: 101, name: 'gnoxdai', iconPath: 'assets/images/gno.png', decimals: 18);
 
   static final Map<int, CryptoCurrency> _rawCurrencyMap =
     [...all, ...havenCurrencies].fold<Map<int, CryptoCurrency>>(<int, CryptoCurrency>{}, (acc, item) {

cw_core/lib/currency_for_wallet_type.dart

@@ -34,6 +34,8 @@ CryptoCurrency currencyForWalletType(WalletType type, {bool? isTestnet}) {
       return CryptoCurrency.zano;
     case WalletType.decred:
       return CryptoCurrency.dcr;
+    case WalletType.gnosis:
+      return CryptoCurrency.xdai;
     case WalletType.none:
       throw Exception(
           'Unexpected wallet type: ${type.toString()} for CryptoCurrency currencyForWalletType');
@@ -60,6 +62,8 @@ WalletType? walletTypeForCurrency(CryptoCurrency currency) {
       return WalletType.banano;
     case CryptoCurrency.maticpoly:
       return WalletType.polygon;
+    case CryptoCurrency.xdai:
+      return WalletType.gnosis;
     case CryptoCurrency.sol:
       return WalletType.solana;
     case CryptoCurrency.trx:

cw_core/lib/erc20_token.dart

@@ -70,6 +70,7 @@ class Erc20Token extends CryptoCurrency with HiveObjectMixin {
   static const boxName = 'Erc20Tokens';
   static const ethereumBoxName = 'EthereumErc20Tokens';
   static const polygonBoxName = 'PolygonErc20Tokens';
+  static const gnosisBoxName = 'GnosisErc20Tokens';
 
   @override
   bool operator ==(other) =>

cw_core/lib/node.dart

@@ -100,6 +100,7 @@ class Node extends HiveObject with Keyable {
       case WalletType.banano:
       case WalletType.ethereum:
       case WalletType.polygon:
+      case WalletType.gnosis:
       case WalletType.solana:
       case WalletType.tron:
       case WalletType.zano:
@@ -163,6 +164,7 @@ class Node extends HiveObject with Keyable {
         case WalletType.bitcoinCash:
         case WalletType.ethereum:
         case WalletType.polygon:
+        case WalletType.gnosis:
         case WalletType.solana:
         case WalletType.tron:
           return requestElectrumServer();

cw_core/lib/wallet_type.dart

@@ -10,6 +10,7 @@ const walletTypes = [
   WalletType.litecoin,
   WalletType.haven,
   WalletType.ethereum,
+  WalletType.gnosis,
   WalletType.bitcoinCash,
   WalletType.nano,
   WalletType.banano,
@@ -65,7 +66,10 @@ enum WalletType {
   zano,
 
   @HiveField(14)
-  decred
+  decred,
+
+  @HiveField(15)
+  gnosis
 }
 
 int serializeToInt(WalletType type) {
@@ -98,6 +102,8 @@ int serializeToInt(WalletType type) {
       return 12;
     case WalletType.decred:
       return 13;
+    case WalletType.gnosis:
+      return 14;
     case WalletType.none:
       return -1;
   }
@@ -133,6 +139,8 @@ WalletType deserializeFromInt(int raw) {
       return WalletType.zano;
     case 13:
       return WalletType.decred;
+    case 14:
+      return WalletType.gnosis;
     default:
       throw Exception(
           'Unexpected token: $raw for WalletType deserializeFromInt');
@@ -169,6 +177,8 @@ String walletTypeToString(WalletType type) {
       return 'Zano';
     case WalletType.decred:
       return 'Decred';
+    case WalletType.gnosis:
+      return 'Gnosis';
     case WalletType.none:
       return '';
   }
@@ -204,6 +214,8 @@ String walletTypeToDisplayName(WalletType type) {
       return 'Zano (ZANO)';
     case WalletType.decred:
       return 'Decred (DCR)';
+    case WalletType.gnosis:
+      return 'Gnosis (xDAI)';
     case WalletType.none:
       return '';
   }
@@ -242,6 +254,8 @@ CryptoCurrency walletTypeToCryptoCurrency(WalletType type, {bool isTestnet = fal
       return CryptoCurrency.zano;
     case WalletType.decred:
       return CryptoCurrency.dcr;
+    case WalletType.gnosis:
+      return CryptoCurrency.xdai;
     case WalletType.none:
       throw Exception(
           'Unexpected wallet type: ${type.toString()} for CryptoCurrency walletTypeToCryptoCurrency');
@@ -278,6 +292,8 @@ WalletType? cryptoCurrencyToWalletType(CryptoCurrency type) {
       return WalletType.zano;
     case CryptoCurrency.dcr:
       return WalletType.decred;
+    case CryptoCurrency.xdai:
+      return WalletType.gnosis;
     default:
       return null;
   }

cw_gnosis/.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/

cw_gnosis/LICENSE

@@ -0,0 +1 @@
+TODO: Add your license here.

cw_gnosis/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

cw_gnosis/devtools_options.yaml

@@ -0,0 +1,3 @@
+description: This file stores settings for Dart & Flutter DevTools.
+documentation: https://docs.flutter.dev/tools/devtools/extensions#configure-extension-enablement-states
+extensions:

cw_gnosis/lib/default_gnosis_erc20_tokens.dart

@@ -0,0 +1,54 @@
+import 'package:cw_core/crypto_currency.dart';
+import 'package:cw_core/erc20_token.dart';
+
+class DefaultGnosisErc20Tokens {
+  final List<Erc20Token> _defaultTokens = [
+    Erc20Token(
+      name: "Wrapped Ether",
+      symbol: "WETH",
+      contractAddress: "0x6a023ccd1ff6f2045c3309768ead9e68f978f6e1",
+      decimal: 18,
+      enabled: false,
+    ),
+    Erc20Token(
+      name: "Tether USD on xDai",
+      symbol: "USDT",
+      contractAddress: "0x4ECaBa5870353805a9F068101A40E0f32ed605C6",
+      decimal: 6,
+      enabled: true,
+    ),
+    Erc20Token(
+      name: "USD Coin",
+      symbol: "USDC.e",
+      contractAddress: "0x2a22f9c3b484c3629090FeED35F17Ff8F88f76F0",
+      decimal: 6,
+      enabled: true,
+    ),
+    Erc20Token(
+      name: "Gnosis",
+      symbol: "GNO",
+      contractAddress: "0x9C58BAcC331c9aa871AFD802DB6379a98e80CEdb",
+      decimal: 18,
+      enabled: true,
+    ),
+    Erc20Token(
+      name: "Decentralized Euro",
+      symbol: "DEURO",
+      contractAddress: "0xac90f343820D8299Ac72a06A7674491b07d45f03",
+      decimal: 18,
+      enabled: true,
+    ),
+  ];
+
+  List<Erc20Token> get initialGnosisErc20Tokens => _defaultTokens.map((token) {
+        String? iconPath;
+        try {
+          iconPath = CryptoCurrency.all
+              .firstWhere((element) =>
+                  element.title.toUpperCase() == token.symbol.split(".").first.toUpperCase())
+              .iconPath;
+        } catch (_) {}
+
+        return Erc20Token.copyWith(token, iconPath, 'XDAI');
+      }).toList();
+}

cw_gnosis/lib/gnosis_client.dart

@@ -0,0 +1,92 @@
+import 'dart:convert';
+
+import 'package:cw_evm/evm_chain_client.dart';
+import 'package:cw_evm/.secrets.g.dart' as secrets;
+import 'package:cw_evm/evm_chain_transaction_model.dart';
+import 'package:flutter/foundation.dart';
+import 'package:web3dart/web3dart.dart';
+
+class GnosisClient extends EVMChainClient {
+  @override
+  Transaction createTransaction({
+    required EthereumAddress from,
+    required EthereumAddress to,
+    required EtherAmount amount,
+    EtherAmount? maxPriorityFeePerGas,
+    Uint8List? data,
+    int? maxGas,
+    EtherAmount? gasPrice,
+    EtherAmount? maxFeePerGas,
+  }) {
+    return Transaction(
+      from: from,
+      to: to,
+      value: amount,
+      // data: data,
+      maxGas: maxGas,
+      // gasPrice: gasPrice,
+      // maxFeePerGas: maxFeePerGas,
+      // maxPriorityFeePerGas: maxPriorityFeePerGas,
+    );
+  }
+
+  @override
+  Uint8List prepareSignedTransactionForSending(Uint8List signedTransaction) => signedTransaction;
+
+  @override
+  int get chainId => 137;
+
+  @override
+  Future<List<EVMChainTransactionModel>> fetchTransactions(String address,
+      {String? contractAddress}) async {
+    try {
+      final response = await client.get(Uri.https("api.gnosisscan.io", "/v2/api", {
+        "chainid": "$chainId",
+        "module": "account",
+        "action": contractAddress != null ? "tokentx" : "txlist",
+        if (contractAddress != null) "contractaddress": contractAddress,
+        "address": address,
+        "apikey": secrets.etherScanApiKey,
+      }));
+
+      final jsonResponse = json.decode(response.body) as Map<String, dynamic>;
+
+      if (response.statusCode >= 200 && response.statusCode < 300 && jsonResponse['status'] != 0) {
+        return (jsonResponse['result'] as List)
+            .map(
+              (e) => EVMChainTransactionModel.fromJson(e as Map<String, dynamic>, 'XDAI'),
+            )
+            .toList();
+      }
+
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  @override
+  Future<List<EVMChainTransactionModel>> fetchInternalTransactions(String address) async {
+    try {
+      final response = await client.get(Uri.https("api.gnosisscan.io", "/v2/api", {
+        "chainid": "$chainId",
+        "module": "account",
+        "action": "txlistinternal",
+        "address": address,
+        "apikey": secrets.etherScanApiKey,
+      }));
+
+      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) => EVMChainTransactionModel.fromJson(e as Map<String, dynamic>, 'XDAI'))
+            .toList();
+      }
+
+      return [];
+    } catch (_) {
+      return [];
+    }
+  }
+}

cw_gnosis/lib/gnosis_mnemonics_exception.dart

@@ -0,0 +1,5 @@
+class GnosisMnemonicIsIncorrectException implements Exception {
+  @override
+  String toString() =>
+      'Polygon mnemonic has incorrect format. Mnemonic should contain 12 or 24 words separated by space.';
+}

cw_gnosis/lib/gnosis_transaction_history.dart

@@ -0,0 +1,20 @@
+import 'dart:core';
+
+import 'package:cw_evm/evm_chain_transaction_history.dart';
+import 'package:cw_evm/evm_chain_transaction_info.dart';
+import 'package:cw_gnosis/gnosis_transaction_info.dart';
+
+class GnosisTransactionHistory extends EVMChainTransactionHistory {
+  GnosisTransactionHistory({
+    required super.walletInfo,
+    required super.password,
+    required super.encryptionFileUtils,
+  });
+
+  @override
+  String getTransactionHistoryFileName() => 'gnosis_transactions.json';
+
+  @override
+  EVMChainTransactionInfo getTransactionInfo(Map<String, dynamic> val) =>
+      GnosisTransactionInfo.fromJson(val);
+}