Add Base Wallet

.github/workflows/automated_integration_test.yml

@@ -163,6 +163,7 @@ jobs:
           echo "const litecoinTestWalletSeeds =  '${{ secrets.LITECOIN_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const bitcoinCashTestWalletSeeds =  '${{ secrets.BITCOIN_CASH_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const polygonTestWalletSeeds = '${{ secrets.POLYGON_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
+          echo "const baseTestWalletSeeds = '${{ secrets.BASE_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const solanaTestWalletSeeds = '${{ secrets.SOLANA_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const solanaTestWalletSeeds2 = '${{ secrets.SOLANA_TEST_WALLET_SEEDS2 }}';" >> lib/.secrets.g.dart
           echo "const tronTestWalletSeeds = '${{ secrets.TRON_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
@@ -176,6 +177,7 @@ jobs:
           echo "const litecoinTestWalletReceiveAddress =  '${{ secrets.LITECOIN_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const bitcoinCashTestWalletReceiveAddress = '${{ secrets.BITCOIN_CASH_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const polygonTestWalletReceiveAddress =  '${{ secrets.POLYGON_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
+          echo "const baseTestWalletReceiveAddress =  '${{ secrets.BASE_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const solanaTestWalletReceiveAddress =  '${{ secrets.SOLANA_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const tronTestWalletReceiveAddress =  '${{ secrets.TRON_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const nanoTestWalletReceiveAddress = '${{ secrets.NANO_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart

.github/workflows/no_restricted_imports.yaml

@@ -20,6 +20,7 @@ jobs:
             "cw_mweb"
             "cw_nano"
             "cw_polygon"
+            "cw_base"
             "cw_solana"
             "cw_tron"
             "cw_wownero"

.github/workflows/pr_test_build_android.yml

@@ -157,6 +157,7 @@ jobs:
           echo "const litecoinTestWalletSeeds =  '${{ secrets.LITECOIN_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const bitcoinCashTestWalletSeeds =  '${{ secrets.BITCOIN_CASH_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const polygonTestWalletSeeds = '${{ secrets.POLYGON_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
+          echo "const baseTestWalletSeeds = '${{ secrets.BASE_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const solanaTestWalletSeeds = '${{ secrets.SOLANA_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const tronTestWalletSeeds = '${{ secrets.TRON_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const nanoTestWalletSeeds =  '${{ secrets.NANO_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
@@ -168,6 +169,7 @@ jobs:
           echo "const litecoinTestWalletReceiveAddress =  '${{ secrets.LITECOIN_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const bitcoinCashTestWalletReceiveAddress = '${{ secrets.BITCOIN_CASH_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const polygonTestWalletReceiveAddress =  '${{ secrets.POLYGON_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
+          echo "const baseTestWalletReceiveAddress =  '${{ secrets.BASE_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const solanaTestWalletReceiveAddress =  '${{ secrets.SOLANA_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const tronTestWalletReceiveAddress =  '${{ secrets.TRON_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const nanoTestWalletReceiveAddress = '${{ secrets.NANO_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart

.github/workflows/pr_test_build_linux.yml

@@ -150,6 +150,7 @@ jobs:
           echo "const litecoinTestWalletSeeds =  '${{ secrets.LITECOIN_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const bitcoinCashTestWalletSeeds =  '${{ secrets.BITCOIN_CASH_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const polygonTestWalletSeeds = '${{ secrets.POLYGON_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
+          echo "const baseTestWalletSeeds = '${{ secrets.BASE_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const solanaTestWalletSeeds = '${{ secrets.SOLANA_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const tronTestWalletSeeds = '${{ secrets.TRON_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
           echo "const nanoTestWalletSeeds =  '${{ secrets.NANO_TEST_WALLET_SEEDS }}';" >> lib/.secrets.g.dart
@@ -162,6 +163,7 @@ jobs:
           echo "const litecoinTestWalletReceiveAddress =  '${{ secrets.LITECOIN_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const bitcoinCashTestWalletReceiveAddress = '${{ secrets.BITCOIN_CASH_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const polygonTestWalletReceiveAddress =  '${{ secrets.POLYGON_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
+          echo "const baseTestWalletReceiveAddress =  '${{ secrets.BASE_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const solanaTestWalletReceiveAddress =  '${{ secrets.SOLANA_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const tronTestWalletReceiveAddress =  '${{ secrets.TRON_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart
           echo "const nanoTestWalletReceiveAddress = '${{ secrets.NANO_TEST_WALLET_RECEIVE_ADDRESS }}';" >> lib/.secrets.g.dart

.gitignore

@@ -141,6 +141,7 @@ lib/wownero/wownero.dart
 lib/zano/zano.dart
 lib/decred/decred.dart
 lib/dogecoin/dogecoin.dart
+lib/base/base.dart
 
 ios/Runner/Assets.xcassets/AppIcon.appiconset/[email protected]
 ios/Runner/Assets.xcassets/AppIcon.appiconset/AppIcon@2x~ipad.png

README.md

@@ -25,6 +25,7 @@ Cake Wallet includes support for several cryptocurrencies, including:
 * Litecoin (LTC)
 * Bitcoin Cash (BCH)
 * Polygon (POL)
+* Base (BASE)
 * Solana (SOL)
 * Tron (TRX)
 * Nano (XNO)

analysis_options.yaml

@@ -23,6 +23,7 @@ analyzer:
     lib/tron/cw_tron.dart,
     lib/wownero/cw_wownero.dart,
     lib/zano/cw_zano.dart,
+    lib/base/cw_base.dart,
     ]
   language:
     strict-casts: true

android/app/src/main/AndroidManifestBase.xml

@@ -106,6 +106,9 @@
                 <data android:scheme="dogecoin" />
                 <data android:scheme="dogecoin-wallet" />
                 <data android:scheme="dogecoin_wallet" />
+                <data android:scheme="base" />
+                <data android:scheme="base-wallet" />
+                <data android:scheme="base_wallet" />
             </intent-filter>
             <!-- nano-gpt link scheme -->
             <intent-filter android:autoVerify="true">

assets/base_node_list.yml

@@ -0,0 +1,15 @@
+-
+  uri: base.nownodes.io
+  is_default: true
+  useSSL: true
+  isEnabledForAutoSwitching: true
+-
+  uri: base.llamarpc.com
+  useSSL: true
+-
+  uri: base-rpc.publicnode.com
+  useSSL: true
+  isEnabledForAutoSwitching: true
+-
+  uri: 1rpc.io/base
+  useSSL: true

cakewallet.bat

@@ -1,5 +1,5 @@
 @echo off
-set cw_win_app_config=--monero --bitcoin --ethereum --polygon --nano --bitcoinCash --solana --tron --dogecoin
+set cw_win_app_config=--monero --bitcoin --ethereum --polygon --nano --bitcoinCash --solana --tron --dogecoin --base
 set cw_root=%cd%
 set cw_archive_name=Cake Wallet.zip
 set cw_archive_path=%cw_root%\%cw_archive_name%
@@ -24,7 +24,7 @@ IF NOT EXIST "%secrets_file_path%" (
 ) ELSE (echo === Using previously/already generated secrets file: %secrets_file_path% ===)
 
 echo === Generating mobx models ===
-for /d %%i in (cw_core cw_monero cw_bitcoin cw_ethereum cw_evm cw_polygon cw_nano cw_bitcoin_cash cw_solana cw_tron .) do (
+for /d %%i in (cw_core cw_monero cw_bitcoin cw_ethereum cw_evm cw_polygon cw_nano cw_bitcoin_cash cw_solana cw_tron cw_base.) do (
     cd %%i
     call flutter pub get > nul
     call dart run build_runner build --delete-conflicting-outputs > nul

cw_base/.gitignore

@@ -0,0 +1,31 @@
+# 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/
+.flutter-plugins
+.flutter-plugins-dependencies
+build/

cw_base/.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: "fcf2c11572af6f390246c056bc905eca609533a0"
+  channel: "[user-branch]"
+
+project_type: package

cw_base/CHANGELOG.md

@@ -0,0 +1,3 @@
+## 0.0.1
+
+* TODO: Describe initial release.

cw_base/LICENSE

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

cw_base/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/tools/pub/writing-package-pages).
+
+For general information about developing packages, see the Dart guide for
+[creating packages](https://dart.dev/guides/libraries/create-packages)
+and the Flutter guide for
+[developing packages and plugins](https://flutter.dev/to/develop-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.

cw_base/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_base/lib/base_client.dart

@@ -0,0 +1,103 @@
+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 BaseClient extends EVMChainClient {
+  @override
+  Transaction createTransaction({
+    required EthereumAddress from,
+    required EthereumAddress to,
+    required EtherAmount amount,
+    EtherAmount? maxPriorityFeePerGas,
+    Uint8List? data,
+    int? maxGas,
+    EtherAmount? gasPrice,
+    EtherAmount? maxFeePerGas,
+  }) {
+    EtherAmount? finalGasPrice = gasPrice;
+
+    if (gasPrice == null && maxFeePerGas != null) {
+      // If we have EIP-1559 parameters but no legacy gasPrice, then use maxFeePerGas as gasPrice
+      finalGasPrice = maxFeePerGas;
+    }
+
+    return Transaction(
+      from: from,
+      to: to,
+      value: amount,
+      data: data,
+      maxGas: maxGas,
+      gasPrice: finalGasPrice,
+      // maxFeePerGas: maxFeePerGas,
+      // maxPriorityFeePerGas: maxPriorityFeePerGas,
+    );
+  }
+
+  @override
+  Uint8List prepareSignedTransactionForSending(Uint8List signedTransaction) => signedTransaction;
+
+  @override
+  int get chainId => 8453;
+
+  @override
+  Future<List<EVMChainTransactionModel>> fetchTransactions(String address,
+      {String? contractAddress}) async {
+    try {
+      final response = await client.get(Uri.https("api.etherscan.io", "/v2/api", {
+        "chainid": "$chainId",
+        "module": "account",
+        "action": contractAddress != null ? "tokentx" : "txlist",
+        if (contractAddress != null) "contractaddress": contractAddress,
+        "address": address,
+        "apikey": secrets.etherScanApiKey,
+      }));
+
+      final jsonResponse = json.decode(response.body) as Map<String, dynamic>;
+
+      if (response.statusCode >= 200 && response.statusCode < 300 && jsonResponse['status'] != 0) {
+        final res = (jsonResponse['result'] as List);
+
+        res.removeWhere((e) => e['value'] == '0');
+
+        return res
+            .map(
+              (e) => EVMChainTransactionModel.fromJson(e as Map<String, dynamic>, 'ETH'),
+            )
+            .toList();
+      }
+
+      return [];
+    } catch (e) {
+      return [];
+    }
+  }
+
+  @override
+  Future<List<EVMChainTransactionModel>> fetchInternalTransactions(String address) async {
+    try {
+      final response = await client.get(Uri.https("api.etherscan.io", "/v2/api", {
+        "chainid": "$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>, 'ETH'))
+            .toList();
+      }
+
+      return [];
+    } catch (_) {
+      return [];
+    }
+  }
+}

cw_base/lib/base_mnemonics_exception.dart

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

cw_base/lib/base_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_base/base_transaction_info.dart';
+
+class BaseTransactionHistory extends EVMChainTransactionHistory {
+  BaseTransactionHistory({
+    required super.walletInfo,
+    required super.password,
+    required super.encryptionFileUtils,
+  });
+
+  @override
+  String getTransactionHistoryFileName() => 'base_transactions.json';
+
+  @override
+  EVMChainTransactionInfo getTransactionInfo(Map<String, dynamic> val) =>
+      BaseTransactionInfo.fromJson(val);
+}

cw_base/lib/base_transaction_info.dart

@@ -0,0 +1,41 @@
+import 'package:cw_core/transaction_direction.dart';
+import 'package:cw_evm/evm_chain_transaction_info.dart';
+
+class BaseTransactionInfo extends EVMChainTransactionInfo {
+  BaseTransactionInfo({
+    required super.id,
+    required super.height,
+    required super.ethAmount,
+    required super.ethFee,
+    required super.tokenSymbol,
+    required super.direction,
+    required super.isPending,
+    required super.date,
+    required super.confirmations,
+    required super.to,
+    required super.from,
+    super.contractAddress,
+    super.exponent,
+  });
+
+  factory BaseTransactionInfo.fromJson(Map<String, dynamic> data) {
+    return BaseTransactionInfo(
+      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'],
+      from: data['from'],
+      contractAddress: data['contractAddress'],
+    );
+  }
+
+  @override
+  String get feeCurrency => 'ETH';
+}