binance_spot_plus 0.0.3

Unofficial Dart wrapper for Binance SPOT API (REST endpoints + Websockets).

example/example.dart

// import 'dart:async';

import 'package:binance_spot_plus/binance_spot_plus.dart';
// import 'package:flutter/material.dart' hide Interval;

void main() async {
  BinanceSpot api = BinanceSpot();
  final resp = await api.exchangeInfo();
  print(resp.right.rateLimits);
}
// void main() => runApp(const MyApp());

// class MyApp extends StatelessWidget {
//   const MyApp({Key? key}) : super(key: key);

//   @override
//   Widget build(BuildContext context) {
//     return const MaterialApp(
//       home: HomePage(),
//     );
//   }
// }

// class HomePage extends StatefulWidget {
//   const HomePage({Key? key}) : super(key: key);

//   @override
//   _HomePageState createState() => _HomePageState();
// }

// class _HomePageState extends State<HomePage> {
//   BinanceSpot binanceSpot = BinanceSpot(
//     key: "<apiKey>",
//     secret: "<apiSecret>",
//   );
//   double lastClosePrice = 0;
//   String tradablePairs = "";
//   String lastEventData = "";
//   late StreamSubscription<dynamic> klineStreamSub;
//   late StreamSubscription<dynamic> userdataStreamSub;
//   @override
//   void initState() {
//     startKlineStream();
//     startUserdataStream();
//     super.initState();
//   }

//   @override
//   Widget build(BuildContext context) {
//     return Scaffold(
//       appBar: AppBar(
//         title: const Text("Binance API tester"),
//       ),
//       body: Center(
//         child: Column(
//           mainAxisAlignment: MainAxisAlignment.center,
//           crossAxisAlignment: CrossAxisAlignment.center,
//           children: [
//             Text("Current BTC price : $lastClosePrice"),
//             Text("Last userdataStream event : $lastEventData"),
//             TextButton(
//               onPressed: getTradablePairs,
//               child: const Text("GET PAIRS"),
//             ),
//             Expanded(
//               flex: 1,
//               child: SelectableText(
//                 tradablePairs,
//                 maxLines: 200,
//                 minLines: 1,
//               ),
//             ),
//           ],
//         ),
//       ),
//     );
//   }

//   void startKlineStream() {
//     var stream = binanceSpot.klineStream(
//       symbol: "BTCUSDT",
//       interval: Interval.fiveMinutes,
//     );
//     klineStreamSub = stream.listen(handleNewKline);
//   }

//   void handleNewKline(WsKlineEvent event) {
//     setState(() {
//       lastClosePrice = event.kline.close;
//     });
//   }

//   void startUserdataStream() async {
//     var response = await binanceSpot.createListenKey();
//     if (response.isRight) {
//       var stream = binanceSpot.userDataStream(listenKey: response.right);
//       userdataStreamSub = stream.listen(handleUserdataEvent);
//     } else {
//       lastEventData = response.left;
//     }
//   }

//   void handleUserdataEvent(dynamic event) {
//     if (event is WsAccountUpdate) {
//       lastEventData = "Account update event : ${event.balances.length} balances updated";
//     } else if (event is WsBalanceUpdate) {
//       lastEventData = "Balance update event : ${event.asset} balance updated";
//     } else if (event is WsExecutionReport) {
//       lastEventData = "Execution report event : status is ${event.orderStatus.str}";
//     } else if (event is WsListOrderStatus) {
//       lastEventData = "ListOrder update event : status is ${event.listOrderStatus}";
//     } else {
//       lastEventData = "Unknown event type : ${event.toString()}";
//     }
//   }

//   void getTradablePairs() async {
//     var response = await binanceSpot.exchangeInfo();
//     if (response.isLeft) {
//       tradablePairs = response.left;
//     } else {
//       var listSymbol = response.right.symbols.map((e) => e.symbol).toList();
//       tradablePairs = "";
//       for (var s in listSymbol) {
//         tradablePairs += "$s ";
//       }
//     }
//   }

//   @override
//   void dispose() {
//     klineStreamSub.cancel();
//     userdataStreamSub.cancel();
//     super.dispose();
//   }
// }