add passkey supprot

Author: code-z2

CHANGELOG.md

@@ -1,3 +1,14 @@
+## 0.1.4
+
+* add surpport for web3_signers v0.1+
+* add create safe account with passkeys method in accounts factory
+* modify getSafeSignature to support hybrid signatures (private key + passkey)
+* update default singleton to safeL2
+* refactor safe inititializer
+* fix issue that causes create2salt to result in a different safe address
+* fetch the smart account balance from the entrypoint
+* fix issue where empty amounts array throws a light account ArrayLengthMismatch() error during batch transactions
+
 ## 0.1.3
 
 * replace Simple account with Alchemy light account

example/android/build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '2.0.20'
     repositories {
         google()
         mavenCentral()

example/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:

example/lib/providers/wallet_provider.dart

@@ -1,13 +1,10 @@
-import 'dart:convert';
 import 'dart:developer';
-import 'dart:io';
 import 'dart:math' as math;
 import 'package:flutter/foundation.dart';
 import 'package:web3_signers/web3_signers.dart';
 import 'package:variance_dart/variance_dart.dart';
 import 'package:web3dart/credentials.dart';
 import 'package:web3dart/web3dart.dart' as w3d;
-import 'package:web3dart/crypto.dart' as w3d;
 
 class WalletProvider extends ChangeNotifier {
   final Chain _chain;
@@ -23,67 +20,56 @@ class WalletProvider extends ChangeNotifier {
   final EthereumAddress erc20 =
       EthereumAddress.fromHex("0xAEaF19097D8a8da728438D6B57edd9Bc5DAc4795");
   final EthereumAddress deployer =
-      EthereumAddress.fromHex("0x218F6Bbc32Ef28F547A67c70AbCF8c2ea3b468BA");
+      EthereumAddress.fromHex("0xf5bb7f874d8e3f41821175c0aa9910d30d10e193");
+
+  final salt = Uint256.zero;
+  static const rpc =
+      "https://api.pimlico.io/v2/84532/rpc?apikey=pim_NuuL4a9tBdyfoogF5LtP5A";
 
   WalletProvider()
-      : _chain = Chain(
-            chainId: 31337,
-            explorer: "https://sepolia.etherscan.io/",
-            entrypoint: EntryPointAddress(
-                0.6,
-                EthereumAddress.fromHex(
-                    "0x5165c9e79213e2208947589c6e1dcc80ee8d3d00")))
-          ..accountFactory = EthereumAddress.fromHex(
-              "0x0ce83Bf5d20c539E77e1E607B8349E26c6b20133") // v07 p256 factory address
-          ..jsonRpcUrl = "http://127.0.0.1:8545"
-          ..bundlerUrl = "http://localhost:3000/rpc";
-  // ..paymasterUrl =
-  //     "https://api.pimlico.io/v2/11155111/rpc?apikey=875f3458-a37c-4187-8ac5-d08bbfa0d501";
-
-  // "0x402A266e92993EbF04a5B3fd6F0e2b21bFC83070" v06 p256 factory address
+      : _chain = Chains.getChain(Network.baseTestnet)
+          ..accountFactory = Constants.lightAccountFactoryAddressv07
+          ..bundlerUrl = rpc
+          ..paymasterUrl = rpc;
+
   Future<void> registerWithPassKey(String name,
       {bool? requiresUserVerification}) async {
-    final pkpSigner =
-        PassKeySigner("webauthn.io", "webauthn", "https://webauthn.io");
-    final hwdSigner = HardwareSigner.withTag(name);
+    _chain.accountFactory = Constants.safeProxyFactoryAddress;
 
-    final salt = Uint256.zero;
-    Uint256.fromHex(
-        hexlify(w3d.keccak256(Uint8List.fromList(utf8.encode(name)))));
+    final options = PassKeysOptions(
+        name: "variance",
+        namespace: "variance.space",
+        origin: "https://variance.space",
+        userVerification: "required",
+        requireResidentKey: true,
+        sharedWebauthnSigner: EthereumAddress.fromHex(
+            "0xfD90FAd33ee8b58f32c00aceEad1358e4AFC23f9"));
+    final pkpSigner = PassKeySigner(options: options);
 
     try {
-      // uses passkeys on android, secure enclave on iOS
-      if (Platform.isAndroid) {
-        final SmartWalletFactory walletFactory =
-            SmartWalletFactory(_chain, pkpSigner);
-        final keypair = await pkpSigner.register(name, name);
-        _wallet =
-            await walletFactory.createP256Account<PassKeyPair>(keypair, salt);
-      } else if (Platform.isIOS) {
-        final SmartWalletFactory walletFactory =
-            SmartWalletFactory(_chain, hwdSigner);
-        final keypair = await hwdSigner.generateKeyPair();
-        _wallet = await walletFactory.createP256Account<P256Credential>(
-            keypair, salt);
-      }
+      final SmartWalletFactory walletFactory =
+          SmartWalletFactory(_chain, pkpSigner);
+      final keypair = await pkpSigner.register(
+          "${DateTime.timestamp().millisecondsSinceEpoch}@variance.space",
+          name);
+      _wallet = await walletFactory.createSafeAccountWithPasskey(
+          keypair, salt, options.sharedWebauthnSigner);
 
       log("wallet created ${_wallet?.address.hex} ");
     } catch (e) {
       _errorMessage = e.toString();
       notifyListeners();
       log("something happened: $e");
+      rethrow;
     }
   }
 
   Future<void> createEOAWallet() async {
-    _chain.accountFactory = Constants.lightAccountFactoryAddressv06;
-
-    final signer = EOAWallet.createWallet();
+    final signer = EOAWallet.createWallet(
+        WordLength.word_12, const SignatureOptions(prefix: [0]));
     log("signer: ${signer.getAddress()}");
 
     final SmartWalletFactory walletFactory = SmartWalletFactory(_chain, signer);
-    final salt = Uint256.fromHex(hexlify(w3d
-        .keccak256(EthereumAddress.fromHex(signer.getAddress()).addressBytes)));
 
     try {
       _wallet = await walletFactory.createAlchemyLightAccount(salt);
@@ -99,17 +85,13 @@ class WalletProvider extends ChangeNotifier {
     final random = math.Random.secure();
     final privateKey = EthPrivateKey.createRandom(random);
 
-    final signer = PrivateKeySigner.create(privateKey, "123456", random);
+    final signer = PrivateKeySigner.create(privateKey, "123456", random,
+        options: const SignatureOptions(prefix: [0]));
     log("signer: ${signer.getAddress()}");
     log("pk: ${hexlify(privateKey.privateKey)}");
 
     final SmartWalletFactory walletFactory = SmartWalletFactory(_chain, signer);
 
-    final salt = Uint256.fromHex(hexlify(w3d
-        .keccak256(EthereumAddress.fromHex(signer.getAddress()).addressBytes)));
-
-    log("pk salt: ${salt.toHex()}");
-
     try {
       _wallet = await walletFactory.createAlchemyLightAccount(salt);
       log("pk wallet created ${_wallet?.address.hex} ");
@@ -128,11 +110,6 @@ class WalletProvider extends ChangeNotifier {
 
     final SmartWalletFactory walletFactory = SmartWalletFactory(_chain, signer);
 
-    final salt = Uint256.fromHex(hexlify(w3d
-        .keccak256(EthereumAddress.fromHex(signer.getAddress()).addressBytes)));
-
-    log("salt: ${salt.toHex()}");
-
     try {
       _wallet = await walletFactory.createSafeAccount(salt);
       log("safe created ${_wallet?.address.hex} ");
@@ -180,30 +157,16 @@ class WalletProvider extends ChangeNotifier {
 
   Future<void> sendTransaction(String recipient, String amount) async {
     if (_wallet != null) {
-      final response = await transferToken(
-          EthereumAddress.fromHex(recipient),
-          w3d.EtherAmount.fromBigInt(
-              w3d.EtherUnit.wei, BigInt.from(20 * math.pow(10, 6))));
-
-      // final etherAmount = w3d.EtherAmount.fromBigInt(w3d.EtherUnit.wei,
-      //     BigInt.from(double.parse(amount) * math.pow(10, 18)));
+      final etherAmount = w3d.EtherAmount.fromBigInt(w3d.EtherUnit.wei,
+          BigInt.from(double.parse(amount) * math.pow(10, 18)));
 
-      // final response =
-      //     await _wallet?.send(EthereumAddress.fromHex(recipient), etherAmount);
+      final response =
+          await _wallet?.send(EthereumAddress.fromHex(recipient), etherAmount);
       final receipt = await response?.wait();
 
       log("Transaction receipt Hash: ${receipt?.userOpHash}");
     } else {
       log("No wallet available to send transaction");
     }
   }
-
-  Future<UserOperationResponse?> transferToken(
-      EthereumAddress recipient, w3d.EtherAmount amount) async {
-    final erc20 =
-        EthereumAddress.fromHex("0xDc64a140Aa3E981100a9becA4E685f962f0cF6C9");
-
-    return await _wallet?.sendTransaction(
-        erc20, Contract.encodeERC20TransferCall(erc20, recipient, amount));
-  }
 }

example/lib/screens/create_account.dart

@@ -134,8 +134,48 @@ class _CreateAccountScreenState extends State<CreateAccountScreen> {
                           }
                         },
                         icon: const Icon(Icons.key),
-                        label: const Text('Create Safe Smart Account')),
-                  )
+                        label: const Text(
+                            'Create Alchemy Light Account with private key')),
+                  ),
+                  18.verticalSpace,
+                  Container(
+                      margin: const EdgeInsets.only(left: 135),
+                      child: Text('OR', style: TextStyle(fontSize: 18.sp))),
+                  24.verticalSpace,
+                  Container(
+                    margin: const EdgeInsets.only(left: 30),
+                    child: TextButton.icon(
+                        onPressed: () {
+                          try {
+                            context.read<WalletProvider>().createEOAWallet();
+                            Navigator.pushNamed(context, '/home');
+                          } catch (e) {
+                            'Something went wrong: $e';
+                          }
+                        },
+                        icon: const Icon(Icons.key),
+                        label: const Text(
+                            'Create Alchemy Light Account with seed phrase')),
+                  ),
+                  18.verticalSpace,
+                  Container(
+                      margin: const EdgeInsets.only(left: 135),
+                      child: Text('OR', style: TextStyle(fontSize: 18.sp))),
+                  24.verticalSpace,
+                  Container(
+                    margin: const EdgeInsets.only(left: 30),
+                    child: TextButton.icon(
+                        onPressed: () {
+                          try {
+                            context.read<WalletProvider>().createSafeWallet();
+                            Navigator.pushNamed(context, '/home');
+                          } catch (e) {
+                            'Something went wrong: $e';
+                          }
+                        },
+                        icon: const Icon(Icons.key),
+                        label: const Text('Create default Safe Account')),
+                  ),
                 ],
               ),
             );

example/lib/screens/home/home_screen.dart

@@ -1,8 +1,6 @@
 import 'dart:developer';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:provider/provider.dart';
 import 'package:variancedemo/providers/wallet_provider.dart';
@@ -167,9 +165,6 @@ class NFT extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final wallet = context.select(
-      (WalletProvider provider) => provider.wallet,
-    );
     return Column(
       crossAxisAlignment: CrossAxisAlignment.stretch,
       children: <Widget>[

example/pubspec.lock

@@ -300,18 +300,18 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
+      sha256: "3f87a60e8c63aecc975dda1ceedbc8f24de75f09e4856ea27daf8958f2f0ce05"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.4"
+    version: "10.0.5"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
+      sha256: "932549fb305594d82d7183ecd9fa93463e9914e1b67cacc34bc40906594a1806"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.3"
+    version: "3.0.5"
   leak_tracker_testing:
     dependency: transitive
     description:
@@ -340,18 +340,18 @@ packages:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
+      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.0"
+    version: "0.11.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
+      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
       url: "https://pub.dev"
     source: hosted
-    version: "1.12.0"
+    version: "1.15.0"
   nested:
     dependency: transitive
     description:
@@ -641,10 +641,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
+      sha256: "5b8a98dafc4d5c4c9c72d8b31ab2b23fc13422348d2997120294d3bac86b4ddb"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.0"
+    version: "0.7.2"
   typed_data:
     dependency: transitive
     description:
@@ -683,7 +683,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.1.3"
+    version: "0.1.4"
   vector_math:
     dependency: transitive
     description:
@@ -696,10 +696,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
+      sha256: "5c5f338a667b4c644744b661f309fb8080bb94b18a7e91ef1dbd343bed00ed6d"
       url: "https://pub.dev"
     source: hosted
-    version: "14.2.1"
+    version: "14.2.5"
   wallet:
     dependency: transitive
     description:
@@ -720,10 +720,10 @@ packages:
     dependency: "direct main"
     description:
       name: web3_signers
-      sha256: "455acf0207ef6edc5937a73edd57ce94f028b41856c07193be23e282d542d625"
+      sha256: cb07808a4add7119f07c5c696db242a78df0c6c45a414ff8f1333b747b811b21
       url: "https://pub.dev"
     source: hosted
-    version: "0.0.14-alpha-01"
+    version: "0.1.6"
   web3dart:
     dependency: "direct main"
     description:
@@ -757,5 +757,5 @@ packages:
     source: hosted
     version: "3.1.2"
 sdks:
-  dart: ">=3.4.0 <4.0.0"
-  flutter: ">=3.22.0"
+  dart: ">=3.5.0 <4.0.0"
+  flutter: ">=3.24.3"

example/pubspec.yaml

@@ -17,13 +17,13 @@ dependencies:
   google_fonts: 6.1.0
   flutter_screenutil: ^5.9.0
   qr_flutter: ^4.1.0
-  web3dart: ^2.7.2
+  web3dart: ^2.7.3
   shared_preferences: ^2.2.2
   path_provider: ^2.1.1
   fluttertoast: ^8.2.4
   variance_dart:
     path: ../
-  web3_signers: ^0.0.14-alpha-01
+  web3_signers: ^0.1.6
 
 dev_dependencies:
   flutter_test: