Smart Contracts (read and write) Interaction

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.2.0-beta01
+
+- Added Smart Contract interactions to SignEngine
+
 ## 2.1.14
 
 - Minor improvements

example/dapp/android/app/build.gradle

@@ -44,7 +44,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.example.dapp"
+        applicationId "com.walletconnect.flutterdapp"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
         minSdkVersion flutter.minSdkVersion
@@ -60,7 +60,7 @@ android {
             signingConfig signingConfigs.debug
         }
     }
-    namespace 'com.example.dapp'
+    namespace 'com.walletconnect.flutterdapp'
 }
 
 flutter {

example/dapp/android/app/src/main/AndroidManifest.xml

@@ -27,7 +27,7 @@
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
-                <data android:scheme="myflutterdapp" />
+                <data android:scheme="wcflutterdapp" />
             </intent-filter>
         </activity>
         <!-- Don't delete the meta-data below.

example/dapp/ios/Runner.xcodeproj/project.pbxproj

@@ -361,11 +361,12 @@
 				DEVELOPMENT_TEAM = W5R8AG9K22;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
+				INFOPLIST_KEY_CFBundleDisplayName = "Flutter Dapp";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.dapp;
+				PRODUCT_BUNDLE_IDENTIFIER = com.walletconnect.flutterdapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
@@ -490,11 +491,12 @@
 				DEVELOPMENT_TEAM = W5R8AG9K22;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
+				INFOPLIST_KEY_CFBundleDisplayName = "Flutter Dapp";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.dapp;
+				PRODUCT_BUNDLE_IDENTIFIER = com.walletconnect.flutterdapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -513,11 +515,12 @@
 				DEVELOPMENT_TEAM = W5R8AG9K22;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
+				INFOPLIST_KEY_CFBundleDisplayName = "Flutter Dapp";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.dapp;
+				PRODUCT_BUNDLE_IDENTIFIER = com.walletconnect.flutterdapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;

example/dapp/ios/Runner/Info.plist

@@ -2,28 +2,51 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>CADisableMinimumFrameDurationOnPhone</key>
+	<true/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>
-	<string>Dapp</string>
+	<string>Flutter Dapp</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
-	<string>dapp</string>
+	<string>Flutter Dapp</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
 	<string>$(FLUTTER_BUILD_NAME)</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleURLName</key>
+			<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>wcflutterdapp</string>
+			</array>
+		</dict>
+	</array>
 	<key>CFBundleVersion</key>
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSApplicationCategoryType</key>
+	<string></string>
+	<key>LSApplicationQueriesSchemes</key>
+	<array>
+		<string>wcflutterwallet</string>
+	</array>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>UIApplicationSupportsIndirectInputEvents</key>
+	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
@@ -43,28 +66,5 @@
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
-	<key>CADisableMinimumFrameDurationOnPhone</key>
-	<true/>
-	<key>UIApplicationSupportsIndirectInputEvents</key>
-	<true/>
-	<key>LSApplicationCategoryType</key>
-	<string></string>
-	<key>CFBundleURLTypes</key>
-	<array>
-		<dict>
-			<key>CFBundleTypeRole</key>
-			<string>Editor</string>
-			<key>CFBundleURLName</key>
-			<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
-			<key>CFBundleURLSchemes</key>
-			<array>
-				<string>myflutterdapp</string>
-			</array>
-		</dict>
-	</array>
-	<key>LSApplicationQueriesSchemes</key>
-	<array>
-		<string>wcflutterwallet</string>
-	</array>
 </dict>
 </plist>

example/dapp/lib/main.dart

@@ -50,10 +50,6 @@ class _MyHomePageState extends State<MyHomePage> {
   List<PageData> _pageDatas = [];
   int _selectedIndex = 0;
 
-  // SessionData? _selectedSession;
-  // List<SessionData> _allSessions = [];
-  // List<PairingInfo> _allPairings = [];
-
   @override
   void initState() {
     initialize();
@@ -67,14 +63,14 @@ class _MyHomePageState extends State<MyHomePage> {
       projectId: DartDefines.projectId,
       logLevel: LogLevel.info,
       metadata: const PairingMetadata(
-        name: 'Example dApp',
-        description: 'Example dApp',
+        name: 'Sample dApp Flutter',
+        description: 'WalletConnect\'s sample dapp with Flutter',
         url: 'https://walletconnect.com/',
         icons: [
           'https://images.prismic.io/wallet-connect/65785a56531ac2845a260732_WalletConnect-App-Logo-1024X1024.png'
         ],
         redirect: Redirect(
-          native: 'myflutterdapp://',
+          native: 'wcflutterdapp://',
           universal: 'https://walletconnect.com',
         ),
       ),
@@ -90,12 +86,17 @@ class _MyHomePageState extends State<MyHomePage> {
     }
 
     // Register event handlers
+    _web3App!.onSessionConnect.subscribe(_onSessionConnect);
     _web3App!.onSessionPing.subscribe(_onSessionPing);
     _web3App!.onSessionEvent.subscribe(_onSessionEvent);
     _web3App!.onSessionUpdate.subscribe(_onSessionUpdate);
+
     _web3App!.core.relayClient.onRelayClientConnect.subscribe(_setState);
     _web3App!.core.relayClient.onRelayClientDisconnect.subscribe(_setState);
-    _web3App!.onSessionConnect.subscribe(_onSessionConnect);
+    _web3App!.core.relayClient.onRelayClientMessage.subscribe(_onRelayMessage);
+
+    _web3App!.signEngine.onSessionEvent.subscribe(_onSessionEvent);
+    _web3App!.signEngine.onSessionUpdate.subscribe(_onSessionUpdate);
 
     setState(() {
       _pageDatas = [
@@ -132,12 +133,19 @@ class _MyHomePageState extends State<MyHomePage> {
 
   @override
   void dispose() {
+    // Unregister event handlers
     _web3App!.onSessionConnect.unsubscribe(_onSessionConnect);
-    _web3App!.core.relayClient.onRelayClientConnect.unsubscribe(_setState);
-    _web3App!.core.relayClient.onRelayClientDisconnect.unsubscribe(_setState);
     _web3App!.onSessionPing.unsubscribe(_onSessionPing);
     _web3App!.onSessionEvent.unsubscribe(_onSessionEvent);
     _web3App!.onSessionUpdate.unsubscribe(_onSessionUpdate);
+
+    _web3App!.core.relayClient.onRelayClientConnect.unsubscribe(_setState);
+    _web3App!.core.relayClient.onRelayClientDisconnect.unsubscribe(_setState);
+    _web3App!.core.relayClient.onRelayClientMessage
+        .unsubscribe(_onRelayMessage);
+
+    _web3App!.signEngine.onSessionEvent.unsubscribe(_onSessionEvent);
+    _web3App!.signEngine.onSessionUpdate.unsubscribe(_onSessionUpdate);
     super.dispose();
   }
 
@@ -157,33 +165,7 @@ class _MyHomePageState extends State<MyHomePage> {
     }
     navRail.add(
       Expanded(
-        child: Stack(
-          children: [
-            _pageDatas[_selectedIndex].page,
-            Positioned(
-              bottom: StyleConstants.magic20,
-              right: StyleConstants.magic20,
-              child: Row(
-                children: [
-                  Text(_web3App!.core.relayClient.isConnected
-                      ? 'Relay Connected'
-                      : 'Relay Disconnected'),
-                  Switch(
-                    value: _web3App!.core.relayClient.isConnected,
-                    onChanged: (value) {
-                      if (!value) {
-                        _web3App!.core.relayClient.disconnect();
-                      } else {
-                        _web3App!.core.relayClient.connect();
-                      }
-                      setState(() {});
-                    },
-                  ),
-                ],
-              ),
-            ),
-          ],
-        ),
+        child: _pageDatas[_selectedIndex].page,
       ),
     );
 
@@ -279,4 +261,15 @@ class _MyHomePageState extends State<MyHomePage> {
   void _onSessionUpdate(SessionUpdate? args) {
     debugPrint('[$runtimeType] _onSessionUpdate $args');
   }
+
+  void _onRelayMessage(MessageEvent? args) async {
+    if (args != null) {
+      final payloadString = await _web3App!.core.crypto.decode(
+        args.topic,
+        args.message,
+      );
+      final data = jsonDecode(payloadString ?? '{}') as Map<String, dynamic>;
+      debugPrint(data.toString());
+    }
+  }
 }