feat: unstash changes

catalyst_voices/lib/app/view/app_page.dart

@@ -1,5 +1,6 @@
 // ignore_for_file: discarded_futures
 
+import 'package:catalyst_cardano/catalyst_cardano.dart';
 import 'package:catalyst_voices/app/view/app_content.dart';
 import 'package:catalyst_voices/dependency/dependencies.dart';
 import 'package:catalyst_voices_blocs/catalyst_voices_blocs.dart';
@@ -38,10 +39,10 @@ final class _AppState extends State<App> {
   Future<void> _init() async {
     try {
       await Dependencies.instance.init();
+      await CatalystCardano.instance.getCardanoWallets();
     } catch (error, stackTrace) {
       // TODO(dtscalac): FutureBuilder that uses this future silences all
-      // errors, replace it here with proper logging solution. This logging here
-      // is needed to spot early-on any issues with catalyst_cardano plugin.
+      // errors, replace it here with proper logging solution.
       FlutterError.dumpErrorToConsole(
         FlutterErrorDetails(exception: error, stack: stackTrace),
       );

catalyst_voices_packages/catalyst_cardano/catalyst_cardano_web/lib/catalyst_cardano_web.dart

@@ -1,7 +1,10 @@
+// ignore_for_file: avoid_print
+
 import 'dart:async';
 import 'dart:js_interop';
 
 import 'package:catalyst_cardano_platform_interface/catalyst_cardano_platform_interface.dart';
+import 'package:catalyst_cardano_serialization/catalyst_cardano_serialization.dart';
 import 'package:catalyst_cardano_web/src/interop/catalyst_cardano_interop.dart'
     as interop;
 import 'package:flutter_web_plugins/flutter_web_plugins.dart' show Registrar;
@@ -18,6 +21,58 @@ class CatalystCardanoWeb extends CatalystCardanoPlatform {
   @override
   Future<List<CardanoWallet>> getCardanoWallets() async {
     final wallets = interop.getCardanoWallets().toDart;
+    final wallet = wallets.firstOrNull?.toDart;
+    if (wallet != null) {
+      print(wallet.name);
+      print(wallet.icon);
+      print(wallet.apiVersion);
+      print(wallet.supportedExtensions.map((e) => e.cip));
+      print((await wallet.isEnabled()));
+
+      final api = await wallet.enable(
+        extensions: [
+          const CipExtension(cip: 30),
+          const CipExtension(cip: 95),
+        ],
+      );
+
+      print(await api.getBalance());
+      print(await api.getExtensions());
+      print(await api.getNetworkId());
+
+      final changeAddress = await api.getChangeAddress();
+      print(changeAddress);
+
+      final rewardAddress = await api.getRewardAddresses();
+      print(rewardAddress);
+
+      print(await api.getUnusedAddresses());
+      print(await api.getUsedAddresses());
+
+      final utxos = await api.getUtxos(
+        amount: const Coin(9900999),
+        paginate: const Paginate(page: 1, limit: 2),
+      );
+      print(utxos);
+
+      print(
+        await api.signData(address: rewardAddress.first, payload: [1, 2, 3]),
+      );
+
+      final unsignedTx = _buildUnsignedTx(utxos);
+      final witnessSet = await api.signTx(transaction: unsignedTx);
+
+      print(witnessSet);
+
+      final signedTx = Transaction(
+        body: unsignedTx.body,
+        isValid: true,
+        witnessSet: witnessSet,
+      );
+
+      print(await api.submitTx(transaction: signedTx));
+    }
+
     return wallets.map((e) => e.toDart).toList();
   }
 
@@ -27,3 +82,43 @@ class CatalystCardanoWeb extends CatalystCardanoPlatform {
     CatalystCardanoPlatform.instance = CatalystCardanoWeb();
   }
 }
+
+Transaction _buildUnsignedTx(List<TransactionUnspentOutput> utxos) {
+  const txBuilderConfig = TransactionBuilderConfig(
+    feeAlgo: LinearFee(
+      constant: Coin(155381),
+      coefficient: Coin(44),
+    ),
+    maxTxSize: 8000,
+    coinsPerUtxoByte: Coin(4310),
+  );
+
+  final txOutput = TransactionOutput(
+    address: ShelleyAddress.fromBech32(
+      'addr_test1vzpwq95z3xyum8vqndgdd9mdnmafh3djcxnc6jemlgdmswcve6tkw',
+    ),
+    amount: const Coin(900000),
+  );
+
+  final txBuilder = TransactionBuilder(
+    config: txBuilderConfig,
+    inputs: utxos,
+    networkId: NetworkId.testnet,
+  );
+
+  final changeAddress = ShelleyAddress.fromBech32(
+    'addr_test1qrqr2ved9h96x46yazq89yvcgk0r93gwk0shnv06yfrnfryqhpr26'
+    'st0zgxmjnq6gqve99gtzxumclt9mwe5ynq03hjqgkjmhd',
+  );
+
+  final txBody = txBuilder
+      .withOutput(txOutput)
+      .withChangeAddressIfNeeded(changeAddress)
+      .buildBody();
+
+  return Transaction(
+    body: txBody,
+    isValid: true,
+    witnessSet: const TransactionWitnessSet(vkeyWitnesses: {}),
+  );
+}