Experimental Rainbet WS support since they closed off my API method

2026-05-02 04:22:04 -04:00 · 2025-05-16 13:50:21 -05:00
parent 9fa8631c35
commit 32ff1fecd3
3 changed files with 263 additions and 52 deletions
--- a/KfChatDotNetBot/Services/RainbetWs.cs
+++ b/KfChatDotNetBot/Services/RainbetWs.cs
@@ -0,0 +1,147 @@
+using System.Net;
+using System.Net.WebSockets;
+using System.Text.Json;
+using KfChatDotNetBot.Models;
+using NLog;
+using Websocket.Client;
+
+namespace KfChatDotNetBot.Services;
+
+public class RainbetWs : IDisposable
+{
+    private Logger _logger = LogManager.GetCurrentClassLogger();
+    private WebsocketClient _wsClient;
+    private Uri _wsUri = new("wss://socket.rainbet.com/socket.io/?EIO=4&transport=websocket");
+    private int _reconnectTimeout = 30;
+    private string? _proxy;
+    public delegate void OnRainbetBetEventHandler(object sender, RainbetWsBetModel bet);
+    public delegate void OnWsDisconnectionEventHandler(object sender, DisconnectionInfo e);
+    public event OnRainbetBetEventHandler OnRainbetBet;
+    public event OnWsDisconnectionEventHandler OnWsDisconnection;
+    private CancellationToken _cancellationToken = CancellationToken.None;
+
+    public RainbetWs(string? proxy = null, CancellationToken? cancellationToken = null)
+    {
+        _proxy = proxy;
+        if (cancellationToken != null) _cancellationToken = cancellationToken.Value;
+        _logger.Info("Rainbet WebSocket client created");
+    }
+
+    public async Task StartWsClient()
+    {
+        _logger.Debug("StartWsClient() called, creating client");
+        await CreateWsClient();
+    }
+
+    private async Task CreateWsClient()
+    {
+        var factory = new Func<ClientWebSocket>(() =>
+        {
+            var clientWs = new ClientWebSocket();
+            clientWs.Options.SetRequestHeader("Origin", "https://rainbet.com");
+            clientWs.Options.SetRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0");
+            if (_proxy == null) return clientWs;
+            _logger.Debug($"Using proxy address {_proxy}");
+            clientWs.Options.Proxy = new WebProxy(_proxy);
+            return clientWs;
+        });
+        
+        var client = new WebsocketClient(_wsUri, factory)
+        {
+            ReconnectTimeout = TimeSpan.FromSeconds(_reconnectTimeout),
+            IsReconnectionEnabled = false
+        };
+        
+        client.ReconnectionHappened.Subscribe(WsReconnection);
+        client.MessageReceived.Subscribe(WsMessageReceived);
+        client.DisconnectionHappened.Subscribe(WsDisconnection);
+
+        _wsClient = client;
+        
+        _logger.Debug("Websocket client has been built, about to start");
+        await client.Start();
+        _logger.Debug("Websocket client started!");
+    }
+    
+    public bool IsConnected()
+    {
+        return _wsClient is { IsRunning: true };
+    }
+
+    private void WsDisconnection(DisconnectionInfo disconnectionInfo)
+    {
+        _logger.Error($"Client disconnected from Rainbet (or never successfully connected). Type is {disconnectionInfo.Type}");
+        _logger.Error($"Close Status => {disconnectionInfo.CloseStatus}; Close Status Description => {disconnectionInfo.CloseStatusDescription}");
+        _logger.Error(disconnectionInfo.Exception);
+        OnWsDisconnection?.Invoke(this, disconnectionInfo);
+    }
+    
+    private void WsReconnection(ReconnectionInfo reconnectionInfo)
+    {
+        _logger.Error($"Websocket connection dropped and reconnected. Reconnection type is {reconnectionInfo.Type}");
+    }
+    
+    private void WsMessageReceived(ResponseMessage message)
+    {
+        if (message.Text == null)
+        {
+            _logger.Info("Rainbet sent a null message");
+            return;
+        }
+        _logger.Trace($"Received event from Rainbet: {message.Text}");
+
+        try
+        {
+            if (message.Text.StartsWith("0{"))
+            {
+                // 0{"sid":"Pf940zhaAqb6BHBiSgLa","upgrades":[],"pingInterval":25000,"pingTimeout":20000,"maxPayload":100000000}
+                _logger.Info("Received initial connection message from Rainbet, sending subscribe");
+                _wsClient.Send("40/game-history,{}");
+                return;
+            }
+            var packetType = message.Text.Split('/')[0];
+            if (packetType == "2")
+            {
+                _logger.Info("Received ping from Rainbet, replying with pong");
+                _wsClient.Send("3");
+                return;
+            }
+            
+            // On subscription
+            //40/game-history,{"sid":"7X4UUCSv8BFXgBT1SgLd"}
+            if (packetType == "40")
+            {
+                _logger.Info("Subscribed to Rainbet game history");
+                return;
+            }
+            
+            if (packetType == "42")
+            {
+                var data = JsonSerializer.Deserialize<List<JsonElement>>(message.Text.Replace("42/game-history,",
+                    string.Empty));
+                if (data[0].GetString() == "new-history")
+                {
+                    OnRainbetBet?.Invoke(this, data[1].Deserialize<RainbetWsBetModel>());
+                    return;
+                }
+                _logger.Info($"Event {data[0].GetString()} from Rainbet was not handled");
+                _logger.Info(message.Text);
+                return;
+            }
+        }
+        catch (Exception e)
+        {
+            _logger.Error("Failed to handle message from Rainbet");
+            _logger.Error(e);
+            _logger.Error("--- Payload ---");
+            _logger.Error(message.Text);
+            _logger.Error("--- End of Payload ---");
+        }
+    }
+
+    public void Dispose()
+    {
+        _wsClient.Dispose();
+        GC.SuppressFinalize(this);
+    }
+}