main.dart

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';

void main() => runApp(const MyApp());

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Hyperliquid Funding Rate',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorSchemeSeed: Colors.blue,
      ),
      home: const MyHomePage(title: 'Hyperliquid Funding Rate'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  final String title;

  const MyHomePage({
    super.key,
    required this.title,
  });

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  List<Token> _tokens = [];

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

  Future<void> _fetchData() async {
    final response = await http.get(Uri.parse('https://api.hyperliquid.com/v1/tokens?funding_rate_DESC=true&limit=10'));

    if (response.statusCode == 200) {
      final jsonData = jsonDecode(response.body);
      setState(() {
        _tokens = jsonData['data'].map((token) => Token.fromJson(token)).toList();
      });
    } else {
      throw Exception('Failed to load tokens');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: _tokens.isEmpty
          ? Center(child: CircularProgressIndicator())
          : ListView.builder(
              itemCount: _tokens.length,
              itemBuilder: (context, index) {
                return Card(
                  child: ListTile(
                    title: Text(_tokens[index].symbol),
                    subtitle: Text('Funding Rate: ${_tokens[index].fundingRate}%'),
                  ),
                );
              },
            ),
    );
  }
}

class Token {
  String symbol;
  double fundingRate;

  Token({required this.symbol, required this.fundingRate});

  factory Token.fromJson(Map<String, dynamic> json) {
    return Token(
      symbol: json['symbol'],
      fundingRate: json['funding_rate'],
    );
  }
}