ton 0.0.7

Ton Sdk for Flutter

example/lib/main.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:ton/ton.dart';
import 'package:ton/tonconnect_ui/components/tonconnect_ui_provider.dart';

import 'tonconnect/tonconnect_test_page.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      builder: (context, child) {
        return TonConnectUiProvider(
          manifestUrl:
              'https://raw.githubusercontent.com/XaBbl4/pytonconnect/main/pytonconnect-manifest.json',
          child: child!,
        );
      },
      home: HomeWidget(),
    );
  }
}

class HomeWidget extends StatefulWidget {
  const HomeWidget({super.key});

  @override
  State<HomeWidget> createState() => _HomeWidgetState();
}

class _HomeWidgetState extends State<HomeWidget> {
  String _platformVersion = 'Unknown';
  final _tonPlugin = Ton();

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion = await _tonPlugin.getPlatformVersion() ?? 'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Plugin example app'),
      ),
      body: Center(
        child: Padding(
          padding: const EdgeInsets.all(16),
          child: Column(
            children: [
              Text('Running on: $_platformVersion\n'),
              FutureBuilder(
                  future: _tonPlugin.randomMnemonic(password: "HELLOWORLD"),
                  builder: (context, snapshot) {
                    if (snapshot.hasError) {
                      return Text(snapshot.error.toString());
                    }

                    if (snapshot.hasData && snapshot.data != null) {
                      return Column(
                        children: [
                          Row(
                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                            children: [
                              const Text(
                                'Mnemonic:',
                                style: TextStyle(fontWeight: FontWeight.bold),
                              ),
                              Expanded(
                                child: FutureBuilder(
                                  future:
                                  _tonPlugin.isMnemonicValid(snapshot.data!, 'HELLOWORLD'),
                                  builder: (context, snapshot) {
                                    if (snapshot.hasError) {
                                      return Text(
                                        snapshot.error.toString(),
                                        textAlign: TextAlign.end,
                                        maxLines: 1,
                                      );
                                    }

                                    if (snapshot.hasData && snapshot.data != null) {
                                      return Text(
                                        snapshot.data! ? 'Valid' : 'Invalid',
                                        textAlign: TextAlign.end,
                                        maxLines: 1,
                                      );
                                    }

                                    return const CircularProgressIndicator();
                                  },
                                ),
                              ),
                            ],
                          ),
                          Text(snapshot.data!.join(', ')),
                          const Divider(),
                          FutureBuilder(
                            future: _tonPlugin.toSeed(snapshot.data!),
                            builder: (context, snapshot) {
                              if (snapshot.hasError) {
                                return Text(snapshot.error.toString());
                              }

                              if (snapshot.hasData && snapshot.data != null) {
                                return Column(
                                  children: [
                                    const Text(
                                      'Seed:',
                                      style: TextStyle(fontWeight: FontWeight.bold),
                                    ),
                                    Text(base64Encode(snapshot.data!)),
                                    const Divider(),
                                  ],
                                );
                              }

                              return const Text('Converting mnemonic to seed...');
                            },
                          ),
                        ],
                      );
                    }

                    return const Text('Creating random mnemonic...');
                  }),
              ElevatedButton(
                onPressed: () {
                  Navigator.push(
                      context,
                      MaterialPageRoute(
                        builder: (context) => const TonConnectTestPage(),
                      ));
                },
                child: const Text('Ton Connect UI'),
              )
            ],
          ),
        ),
      ),
    );
  }
}