Files
2025-07-07 20:12:07 -05:00

357 lines
16 KiB
C#

using System.Net;
using System.Net.WebSockets;
using System.Text.Json;
using KfChatDotNetBot.Models;
using NLog;
using Websocket.Client;
namespace KfChatDotNetBot.Services;
public class Chipsgg : IDisposable
{
private Logger _logger = LogManager.GetCurrentClassLogger();
private WebsocketClient? _wsClient;
private Uri _wsUri = new("wss://api.chips.gg/prod/socket");
// Chips doesn't have a heartbeat packet
private int _reconnectTimeout = 30;
private string? _proxy;
public delegate void OnChipsggRecentBetEventHandler(object sender, ChipsggBetModel bet);
public delegate void OnWsDisconnectionEventHandler(object sender, DisconnectionInfo e);
public event OnChipsggRecentBetEventHandler? OnChipsggRecentBet;
private Dictionary<string, ChipsggCurrencyModel> _currencies = new();
private bool _authenticated;
public Chipsgg(string? proxy = null)
{
_proxy = proxy;
_logger.Info("Chipsgg 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://chips.gg");
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 Howl.gg (or never successfully connected). Type is {disconnectionInfo.Type}");
_logger.Error($"Close Status => {disconnectionInfo.CloseStatus}; Close Status Description => {disconnectionInfo.CloseStatusDescription}");
_logger.Error(disconnectionInfo.Exception);
}
private void WsReconnection(ReconnectionInfo reconnectionInfo)
{
_logger.Error($"Websocket connection dropped and reconnected. Reconnection type is {reconnectionInfo.Type}");
if (reconnectionInfo.Type == ReconnectionType.Initial)
{
_logger.Info("Sending auth payload to Chips.gg");
_wsClient?.Send("[\"auth\",1,\"token\",[]]");
}
}
private void WsMessageReceived(ResponseMessage message)
{
if (message.Text == null)
{
_logger.Info("Chips.gg sent a null message");
return;
}
_logger.Trace($"Received event from Chips.gg: {message.Text}");
try
{
// Chipsgg has literally the most retarded "structure" to their packets I have ever seen
// I was hoping BMJ would dump their lousy site, but it hasn't happened yet
// Everything is arrays within arrays.
// For bets, each element of the outer array is a property related to the bet
// For auth / currency stuff there's only one element which contains more arrays
var payload = JsonSerializer.Deserialize<List<JsonElement>>(message.Text);
if (payload == null || payload.Count == 0)
{
throw new Exception("Chips.gg sent us an empty array or I could not deserialize it");
}
var firstElement = payload[0].Deserialize<List<JsonElement>>();
if (firstElement == null || firstElement.Count < 3)
{
throw new Exception("Chips.gg's first element was smaller than expected or null");
}
if (firstElement[0].GetString() == "auth")
{
if (firstElement[1].GetInt32() == 1)
{
var guid = firstElement[2].GetString();
_logger.Info("Received auth packet, sending back GUID auth with " + guid);
_wsClient?.Send("[\"auth\",2,\"authenticate\",[\"" + guid+ "\"]]");
_authenticated = true;
return;
}
if (firstElement[1].GetInt32() == 2)
{
_logger.Info("Chips.gg responded to our auth with: " + firstElement[2].GetString());
_logger.Info("Sending Chips.gg recent bets subscription packet");
_wsClient?.Send("[\"stats\",12,\"on\",[{\"game\":\"bets\",\"type\":\"recentBets\"}]]");
return;
}
throw new Exception("Auth packet was unhandled");
}
// First packet after auth is a currency + settings payload
// This will also match for periodic currency updates
if (firstElement[0].GetString() == "public")
{
var dataElement = firstElement[2].Deserialize<List<JsonElement>>();
if (dataElement == null || dataElement.Count < 2)
{
throw new Exception(
"Caught a null when grabbing data from the first element of the array or got fewer items than expected");
}
var path = dataElement[0].Deserialize<List<string>>();
if (path == null)
throw new Exception("Caught a null when deserializing the path element of the array");
if (path.Count == 0)
{
if (!_authenticated)
{
_logger.Info("Received currency payload without getting the auth response. Retarded inconsistent Chips.gg behavior again, sending a made-up GUID");
var guid = Guid.NewGuid().ToString();
_wsClient?.Send("[\"auth\",2,\"authenticate\",[\"" + guid+ "\"]]");
}
_logger.Info("Received initial currency payload as the path array was empty");
var currencyData = dataElement[1].Deserialize<Dictionary<string, JsonElement>>();
if (currencyData == null) throw new Exception("Caught a null when deserializing currency data");
if (!currencyData.TryGetValue("currencies", out var val)) throw new Exception("Currency object didn't contain expected currencies property");
var currencies = val.Deserialize<Dictionary<string, JsonElement>>();
if (currencies == null) throw new Exception("Caught a null when deserializing currency dictionary");
foreach (var currency in currencies.Keys)
{
// Should never happen but you never know
if (_currencies.ContainsKey(currency))
{
_logger.Info("Ignoring already defined currency");
continue;
}
float? price = null;
// Where a price is not set, the element is simply missing
if (currencies[currency].TryGetProperty("price", out var priceElement))
{
price = priceElement.GetSingle();
}
_currencies.Add(currency, new ChipsggCurrencyModel
{
Decimals = currencies[currency].GetProperty("decimals").GetInt32(),
Name = currency,
// Hidden is only present when it's true
Hidden = currencies[currency].TryGetProperty("hidden", out _),
Price = price
});
_logger.Debug($"Ingested currency data for {currency}");
}
return;
}
foreach (var element in payload)
{
var data = element.Deserialize<List<JsonElement>>();
if (data == null || data.Count < 3) throw new Exception("Caught null or received fewer than 3 elements in the data array");
var innerData = data[2].Deserialize<List<JsonElement>>();
if (innerData == null || data.Count < 2) throw new Exception("Caught null or received fewer than 2 elements in the inner data array");
var innerDataPath = innerData[0].Deserialize<List<string>>();
if (innerDataPath == null || innerDataPath.Count == 0) throw new Exception("innerDataPath was null or contained no elements");
if (innerDataPath.Contains("metrics")) continue;
// No idea with koth is, so we'll ignore it
if (innerDataPath[0] == "koth")
{
_logger.Debug("Ignoring packet as it contains koth");
return;
}
var currency = innerDataPath[1];
if (_currencies.TryGetValue(currency, out var updatedCurrency))
{
updatedCurrency.Price = innerData[1].GetSingle();
}
_logger.Debug($"Updated currency data for {currency}");
}
return;
}
if (firstElement[0].GetString() == "stats")
{
if (firstElement[1].ValueKind == JsonValueKind.Number && firstElement[1].TryGetInt32(out var type))
{
// 12 is the replay of recent bets
if (type == 12)
{
_logger.Info("Ignoring replay of recent bets");
return;
}
}
// Currency data may not be known until after so hold it here til we're done parsing
var amount = string.Empty;
var winnings = string.Empty;
var bet = new ChipsggBetModel();
foreach (var element in payload)
{
var data = element.Deserialize<List<JsonElement>>();
if (data == null || data.Count < 3) throw new Exception("Caught null or received fewer than 3 elements in the data array");
var innerData = data[2].Deserialize<List<JsonElement>>();
if (innerData == null || data.Count < 2) throw new Exception("Caught null or received fewer than 2 elements in the inner data array");
var innerDataPath = innerData[0].Deserialize<List<string>>();
if (innerDataPath == null || innerDataPath.Count == 0) throw new Exception("innerDataPath was null or contained no elements");
var innerDataPathJoined = string.Join(':', innerDataPath);
// For some reason there are ghostly bets sent alongside real bets whose values are all null
if (innerData[1].ValueKind == JsonValueKind.Null) continue;
if (innerDataPathJoined.EndsWith("bet:done"))
{
if (innerData[1].GetBoolean() == false)
{
_logger.Debug("Bet not yet complete, ignoring");
return;
}
continue;
}
// Just piggybacking it for a reliable path to grab the bet ID from
if (innerDataPathJoined.EndsWith("bet:created"))
{
bet.BetId = innerDataPath[2];
bet.Created = DateTimeOffset.FromUnixTimeMilliseconds(innerData[1].GetInt64());
continue;
}
if (innerDataPathJoined.EndsWith("bet:updated"))
{
bet.Updated = DateTimeOffset.FromUnixTimeMilliseconds(innerData[1].GetInt64());
continue;
}
if (innerDataPathJoined.EndsWith("bet:userid"))
{
bet.UserId = innerData[1].GetString()!;
continue;
}
if (innerDataPathJoined.EndsWith("player:username"))
{
bet.Username = innerData[1].GetString()!;
continue;
}
if (innerDataPathJoined.EndsWith("bet:win"))
{
bet.Win = innerData[1].GetBoolean();
continue;
}
if (innerDataPathJoined.EndsWith("bet:winnings"))
{
winnings = innerData[1].GetString()!;
continue;
}
if (innerDataPathJoined.EndsWith("game:title"))
{
bet.GameTitle = innerData[1].GetString()!;
continue;
}
if (innerDataPathJoined.EndsWith("bet:amount"))
{
amount = innerData[1].GetString()!;
continue;
}
if (innerDataPathJoined.EndsWith("bet:multiplier"))
{
bet.Multiplier = innerData[1].GetSingle();
continue;
}
if (innerDataPathJoined.EndsWith("bet:currency"))
{
bet.Currency = innerData[1].GetString()!;
}
}
// Just something that randomly happens where incomplete bets are sent
// It seems that occasionally a bet is sent through with no proper game title or username
// Since the feed in theory can't display these, I'm assuming it's another ghost and not a real bet
if (bet.Currency == null || bet.GameTitle == null)
{
_logger.Debug("Currency or GameTitle was null, ignoring");
return;
}
if (!_currencies.TryGetValue(bet.Currency, out var currencyData))
{
throw new Exception($"Unknown currency {bet.Currency}");
}
// Another mysterious thing where winnings are sometimes sent and sometimes not. Presumed to be 0
if (winnings == string.Empty) winnings = "0";
bet.Winnings = double.Parse(winnings) / double.Parse(1.ToString().PadRight(currencyData.Decimals + 1, '0'));
bet.Amount = double.Parse(amount) / double.Parse(1.ToString().PadRight(currencyData.Decimals + 1, '0'));
bet.CurrencyPrice = currencyData.Price ?? 0;
OnChipsggRecentBet?.Invoke(this, bet);
return;
}
_logger.Info("Unhandled event from Chips.gg");
_logger.Info(message.Text);
}
catch (Exception e)
{
_logger.Error("Failed to handle message from Chips.gg");
_logger.Error(e);
_logger.Error("--- Payload ---");
_logger.Error(message.Text);
_logger.Error("--- End of Payload ---");
}
}
public void Dispose()
{
_wsClient?.Dispose();
GC.SuppressFinalize(this);
}
}