aljaz/breez-sdk-liquid
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Update example app on Flutter plugin (#220)

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* Update example app on Flutter plugin

* Expose `empty_wallet_cache` through Dart bindings (#224)
This commit is contained in:
Erdem Yerebasmaz
2024-05-24 12:12:29 +03:00
committed by GitHub
parent c7b46314f4
commit 7b1b78a2d9
38 changed files with 1821 additions and 167 deletions
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181
packages/flutter/example/lib/main.dart
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@@ -1,179 +1,56 @@
import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
import 'package:flutter/material.dart';
import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
import 'package:flutter_breez_liquid_example/routes/connect/connect_page.dart';
import 'package:flutter_breez_liquid_example/routes/home/home_page.dart';
import 'package:flutter_breez_liquid_example/services/credentials_manager.dart';
import 'package:flutter_breez_liquid_example/services/keychain.dart';
import 'package:path_provider/path_provider.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await initialize();
BindingLiquidSdk liquidSDK = await initializeWallet();
runApp(MyApp(liquidSDK));
final credentialsManager = CredentialsManager(keyChain: KeyChain());
final mnemonic = await credentialsManager.restoreMnemonic();
BindingLiquidSdk? liquidSDK;
if (mnemonic.isNotEmpty) {
liquidSDK = await reconnect(mnemonic: mnemonic);
}
runApp(App(credentialsManager: credentialsManager, liquidSDK: liquidSDK));
}
const String mnemonic = "";
Future<BindingLiquidSdk> initializeWallet() async {
assert(mnemonic.isNotEmpty, "Please enter your mnemonic.");
Future<BindingLiquidSdk> reconnect({
required String mnemonic,
Network network = Network.liquid,
}) async {
final dataDir = await getApplicationDocumentsDirectory();
final req = ConnectRequest(
mnemonic: mnemonic,
dataDir: dataDir.path,
network: Network.liquid,
network: network,
);
return await connect(req: req);
}
class MyApp extends StatefulWidget {
final BindingLiquidSdk liquidSDK;
class App extends StatefulWidget {
final CredentialsManager credentialsManager;
final BindingLiquidSdk? liquidSDK;
const App({super.key, required this.credentialsManager, this.liquidSDK});
const MyApp(this.liquidSDK, {super.key});
static const title = 'Breez Liquid SDK Demo';
@override
State<MyApp> createState() => _MyAppState();
State<App> createState() => _AppState();
}
class _MyAppState extends State<MyApp> {
class _AppState extends State<App> {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Breez Liquid Native Packages'),
),
body: Padding(
padding: const EdgeInsets.all(10),
child: SingleChildScrollView(
child: Column(
children: [
FutureBuilder<GetInfoResponse>(
future: widget.liquidSDK.getInfo(
req: const GetInfoRequest(
withScan: true,
),
),
initialData: null,
builder: (context, snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
}
if (!snapshot.hasData) {
return const Text('Loading...');
}
if (snapshot.requireData.balanceSat.isNaN) {
return const Text('No balance.');
}
final walletInfo = snapshot.data!;
return Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Text(
"Balance",
style: Theme.of(context).textTheme.headlineSmall,
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 32.0),
child: Center(
child: Text(
"${walletInfo.balanceSat} sats",
style: Theme.of(context).textTheme.headlineSmall,
),
),
),
ListTile(
title: Text(
"pubKey: ${walletInfo.pubkey}",
style: Theme.of(context).textTheme.bodySmall,
),
),
],
);
},
),
const SizedBox(height: 16.0),
FutureBuilder<PrepareReceiveResponse>(
future: widget.liquidSDK.prepareReceivePayment(
req: const PrepareReceiveRequest(payerAmountSat: 1000),
),
initialData: null,
builder: (context, snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
}
if (!snapshot.hasData) {
return const Text('Loading...');
}
final prepareReceiveResponse = snapshot.data!;
return Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Text(
"Preparing a receive payment of 1000 sats",
style: Theme.of(context).textTheme.headlineSmall,
),
),
ListTile(
title: Text("Payer Amount: ${prepareReceiveResponse.payerAmountSat} (in sats)"),
),
ListTile(
title: Text("Fees: ${prepareReceiveResponse.feesSat} (in sats)"),
),
const SizedBox(height: 16.0),
FutureBuilder<ReceivePaymentResponse>(
future: widget.liquidSDK.receivePayment(req: prepareReceiveResponse),
initialData: null,
builder: (context, snapshot) {
if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
}
if (!snapshot.hasData) {
return const Text('Loading...');
}
if (snapshot.requireData.id.isEmpty) {
return const Text('Missing invoice id');
}
final receivePaymentResponse = snapshot.data!;
debugPrint("Invoice ID: ${receivePaymentResponse.id}");
debugPrint("Invoice: ${receivePaymentResponse.invoice}");
return Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Text(
"Invoice for receive payment of 1000 sats",
style: Theme.of(context).textTheme.headlineSmall,
),
),
ListTile(
title: Text("Invoice ID: ${receivePaymentResponse.id}"),
),
ListTile(
title: Text("Invoice: ${receivePaymentResponse.invoice}"),
),
],
);
},
),
],
);
},
),
],
),
),
),
),
title: App.title,
theme: ThemeData.from(colorScheme: ColorScheme.fromSeed(seedColor: Colors.white), useMaterial3: true),
home: widget.liquidSDK == null
? ConnectPage(credentialsManager: widget.credentialsManager)
: HomePage(credentialsManager: widget.credentialsManager, liquidSDK: widget.liquidSDK!),
);
}
}