mirror of
https://github.com/JustArchiNET/ArchiSteamFarm.git
synced 2026-01-05 08:30:18 +00:00
344 lines
15 KiB
C#
344 lines
15 KiB
C#
/*
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_ _ _ ____ _ _____
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/ \ _ __ ___ | |__ (_)/ ___| | |_ ___ __ _ _ __ ___ | ___|__ _ _ __ _ __ ___
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/ _ \ | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_ / _` || '__|| '_ ` _ \
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/ ___ \ | | | (__ | | | || | ___) || |_| __/| (_| || | | | | || _|| (_| || | | | | | | |
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/_/ \_\|_| \___||_| |_||_||____/ \__|\___| \__,_||_| |_| |_||_| \__,_||_| |_| |_| |_|
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Copyright 2015-2017 Łukasz "JustArchi" Domeradzki
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Contact: JustArchi@JustArchi.net
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using ArchiSteamFarm.JSON;
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using ArchiSteamFarm.Localization;
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namespace ArchiSteamFarm {
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internal sealed class Trading : IDisposable {
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internal const byte MaxItemsPerTrade = 150; // This is due to limit on POST size in WebBrowser
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internal const byte MaxTradesPerAccount = 5; // This is limit introduced by Valve
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private readonly Bot Bot;
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private readonly ConcurrentHashSet<ulong> IgnoredTrades = new ConcurrentHashSet<ulong>();
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private readonly SemaphoreSlim TradesSemaphore = new SemaphoreSlim(1);
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private bool ParsingScheduled;
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internal Trading(Bot bot) => Bot = bot ?? throw new ArgumentNullException(nameof(bot));
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public void Dispose() => TradesSemaphore.Dispose();
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internal void OnDisconnected() => IgnoredTrades.ClearAndTrim();
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internal async Task OnNewTrade() {
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// We aim to have a maximum of 2 tasks, one already parsing, and one waiting in the queue
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// This way we can call this function as many times as needed e.g. because of Steam events
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lock (TradesSemaphore) {
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if (ParsingScheduled) {
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return;
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}
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ParsingScheduled = true;
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}
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await TradesSemaphore.WaitAsync().ConfigureAwait(false);
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try {
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lock (TradesSemaphore) {
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ParsingScheduled = false;
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}
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await ParseActiveTrades().ConfigureAwait(false);
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} finally {
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TradesSemaphore.Release();
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}
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}
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private async Task ParseActiveTrades() {
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HashSet<Steam.TradeOffer> tradeOffers = await Bot.ArchiWebHandler.GetActiveTradeOffers().ConfigureAwait(false);
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if ((tradeOffers == null) || (tradeOffers.Count == 0)) {
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return;
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}
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if (IgnoredTrades.Count > 0) {
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if (tradeOffers.RemoveWhere(tradeoffer => IgnoredTrades.Contains(tradeoffer.TradeOfferID)) > 0) {
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if (tradeOffers.Count == 0) {
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return;
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}
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}
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}
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IEnumerable<Task<ParseTradeResult>> tasks = tradeOffers.Select(ParseTrade);
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ICollection<ParseTradeResult> results;
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switch (Program.GlobalConfig.OptimizationMode) {
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case GlobalConfig.EOptimizationMode.MinMemoryUsage:
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results = new List<ParseTradeResult>(tradeOffers.Count);
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foreach (Task<ParseTradeResult> task in tasks) {
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results.Add(await task.ConfigureAwait(false));
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}
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break;
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default:
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results = await Task.WhenAll(tasks).ConfigureAwait(false);
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break;
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}
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if (Bot.HasMobileAuthenticator) {
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HashSet<ulong> acceptedWithItemLoseTradeIDs = new HashSet<ulong>(results.Where(result => (result != null) && (result.Result == ParseTradeResult.EResult.AcceptedWithItemLose)).Select(result => result.TradeID));
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if (acceptedWithItemLoseTradeIDs.Count > 0) {
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await Task.Delay(3000).ConfigureAwait(false); // Sometimes we can be too fast for Steam servers to generate confirmations, wait a short moment
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await Bot.AcceptConfirmations(true, Steam.ConfirmationDetails.EType.Trade, 0, acceptedWithItemLoseTradeIDs).ConfigureAwait(false);
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}
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}
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if (results.Any(result => (result != null) && ((result.Result == ParseTradeResult.EResult.AcceptedWithItemLose) || (result.Result == ParseTradeResult.EResult.AcceptedWithoutItemLose)))) {
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// If we finished a trade, perform a loot if user wants to do so
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await Bot.LootIfNeeded().ConfigureAwait(false);
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}
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}
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private async Task<ParseTradeResult> ParseTrade(Steam.TradeOffer tradeOffer) {
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if (tradeOffer == null) {
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Bot.ArchiLogger.LogNullError(nameof(tradeOffer));
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return null;
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}
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if (tradeOffer.State != Steam.TradeOffer.ETradeOfferState.Active) {
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Bot.ArchiLogger.LogGenericError(string.Format(Strings.ErrorIsInvalid, tradeOffer.State));
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return null;
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}
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ParseTradeResult result = await ShouldAcceptTrade(tradeOffer).ConfigureAwait(false);
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if (result == null) {
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Bot.ArchiLogger.LogNullError(nameof(result));
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return null;
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}
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switch (result.Result) {
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case ParseTradeResult.EResult.AcceptedWithItemLose:
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case ParseTradeResult.EResult.AcceptedWithoutItemLose:
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Bot.ArchiLogger.LogGenericInfo(string.Format(Strings.AcceptingTrade, tradeOffer.TradeOfferID));
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await Bot.ArchiWebHandler.AcceptTradeOffer(tradeOffer.TradeOfferID).ConfigureAwait(false);
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break;
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case ParseTradeResult.EResult.RejectedPermanently:
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case ParseTradeResult.EResult.RejectedTemporarily:
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if (result.Result == ParseTradeResult.EResult.RejectedPermanently) {
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if (Bot.BotConfig.IsBotAccount) {
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Bot.ArchiLogger.LogGenericInfo(string.Format(Strings.RejectingTrade, tradeOffer.TradeOfferID));
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await Bot.ArchiWebHandler.DeclineTradeOffer(tradeOffer.TradeOfferID).ConfigureAwait(false);
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break;
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}
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IgnoredTrades.Add(tradeOffer.TradeOfferID);
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}
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Bot.ArchiLogger.LogGenericInfo(string.Format(Strings.IgnoringTrade, tradeOffer.TradeOfferID));
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break;
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default:
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Bot.ArchiLogger.LogGenericError(string.Format(Strings.ErrorIsInvalid, result.Result));
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return null;
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}
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return result;
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}
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private async Task<ParseTradeResult> ShouldAcceptTrade(Steam.TradeOffer tradeOffer) {
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if (tradeOffer == null) {
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Bot.ArchiLogger.LogNullError(nameof(tradeOffer));
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return null;
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}
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if (tradeOffer.OtherSteamID64 != 0) {
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// Always accept trades from SteamMasterID
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if (Bot.IsMaster(tradeOffer.OtherSteamID64)) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, tradeOffer.ItemsToGive.Count > 0 ? ParseTradeResult.EResult.AcceptedWithItemLose : ParseTradeResult.EResult.AcceptedWithoutItemLose);
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}
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// Always deny trades from blacklistem steamIDs
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if (Bot.IsBlacklistedFromTrades(tradeOffer.OtherSteamID64)) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
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}
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}
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// Check if it's donation trade
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if (tradeOffer.ItemsToGive.Count == 0) {
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// If it's steam fuckup, temporarily ignore it, otherwise react accordingly, depending on our preference
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if (tradeOffer.ItemsToReceive.Count == 0) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedTemporarily);
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}
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bool acceptDonations = Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.AcceptDonations);
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bool acceptBotTrades = !Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.DontAcceptBotTrades);
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// If we accept donations and bot trades, accept it right away
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if (acceptDonations && acceptBotTrades) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.AcceptedWithoutItemLose);
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}
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// If we don't accept donations, neither bot trades, deny it right away
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if (!acceptDonations && !acceptBotTrades) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
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}
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// Otherwise we either accept donations but not bot trades, or we accept bot trades but not donations
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bool isBotTrade = (tradeOffer.OtherSteamID64 != 0) && Bot.Bots.Values.Any(bot => bot.SteamID == tradeOffer.OtherSteamID64);
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return new ParseTradeResult(tradeOffer.TradeOfferID, (acceptDonations && !isBotTrade) || (acceptBotTrades && isBotTrade) ? ParseTradeResult.EResult.AcceptedWithoutItemLose : ParseTradeResult.EResult.RejectedPermanently);
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}
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// If we don't have SteamTradeMatcher enabled, this is the end for us
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if (!Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.SteamTradeMatcher)) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
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}
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// Decline trade if we're giving more count-wise
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if (tradeOffer.ItemsToGive.Count > tradeOffer.ItemsToReceive.Count) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
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}
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// Decline trade if we're losing anything but steam cards, or if it's non-dupes trade
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if (!tradeOffer.IsSteamCardsRequest() || !tradeOffer.IsFairTypesExchange()) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
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}
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// At this point we're sure that STM trade is valid
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// Fetch trade hold duration
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byte? holdDuration = await Bot.ArchiWebHandler.GetTradeHoldDuration(tradeOffer.TradeOfferID).ConfigureAwait(false);
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if (!holdDuration.HasValue) {
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// If we can't get trade hold duration, reject trade temporarily
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedTemporarily);
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}
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// If user has a trade hold, we add extra logic
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if (holdDuration.Value > 0) {
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// If trade hold duration exceeds our max, or user asks for cards with short lifespan, reject the trade
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if ((holdDuration.Value > Program.GlobalConfig.MaxTradeHoldDuration) || tradeOffer.ItemsToGive.Any(item => GlobalConfig.GlobalBlacklist.Contains(item.RealAppID))) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
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}
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}
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// If we're matching everything, this is enough for us
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if (Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.MatchEverything)) {
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.AcceptedWithItemLose);
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}
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// Get appIDs we're interested in
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HashSet<uint> appIDs = new HashSet<uint>(tradeOffer.ItemsToGive.Select(item => item.RealAppID));
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// Now check if it's worth for us to do the trade
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HashSet<Steam.Item> inventory = await Bot.ArchiWebHandler.GetMySteamInventory(false, new HashSet<Steam.Item.EType> { Steam.Item.EType.TradingCard }, appIDs).ConfigureAwait(false);
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if ((inventory == null) || (inventory.Count == 0)) {
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// If we can't check our inventory when not using MatchEverything, this is a temporary failure
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Bot.ArchiLogger.LogGenericWarning(string.Format(Strings.ErrorIsEmpty, nameof(inventory)));
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return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedTemporarily);
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}
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// Now let's create a map which maps items to their amount in our EQ
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// This has to be done as we might have multiple items of given ClassID with multiple amounts
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Dictionary<ulong, uint> itemAmounts = new Dictionary<ulong, uint>();
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foreach (Steam.Item item in inventory) {
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if (itemAmounts.TryGetValue(item.ClassID, out uint amount)) {
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itemAmounts[item.ClassID] = amount + item.Amount;
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} else {
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itemAmounts[item.ClassID] = item.Amount;
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}
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}
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// Calculate our value of items to give on per-game basis
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Dictionary<uint, List<uint>> itemAmountToGivePerGame = new Dictionary<uint, List<uint>>(appIDs.Count);
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Dictionary<ulong, uint> itemAmountsToGive = new Dictionary<ulong, uint>(itemAmounts);
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foreach (Steam.Item item in tradeOffer.ItemsToGive) {
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if (!itemAmountToGivePerGame.TryGetValue(item.RealAppID, out List<uint> amountsToGive)) {
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amountsToGive = new List<uint>();
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itemAmountToGivePerGame[item.RealAppID] = amountsToGive;
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}
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if (!itemAmountsToGive.TryGetValue(item.ClassID, out uint amount)) {
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amountsToGive.Add(0);
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continue;
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}
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amountsToGive.Add(amount);
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itemAmountsToGive[item.ClassID] = amount - 1; // We're giving one, so we have one less
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}
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// Sort all the lists of amounts to give on per-game basis ascending
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foreach (List<uint> amountsToGive in itemAmountToGivePerGame.Values) {
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amountsToGive.Sort();
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}
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// Calculate our value of items to receive on per-game basis
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Dictionary<uint, List<uint>> itemAmountToReceivePerGame = new Dictionary<uint, List<uint>>(appIDs.Count);
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Dictionary<ulong, uint> itemAmountsToReceive = new Dictionary<ulong, uint>(itemAmounts);
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foreach (Steam.Item item in tradeOffer.ItemsToReceive) {
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if (!itemAmountToReceivePerGame.TryGetValue(item.RealAppID, out List<uint> amountsToReceive)) {
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amountsToReceive = new List<uint>();
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itemAmountToReceivePerGame[item.RealAppID] = amountsToReceive;
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}
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if (!itemAmountsToReceive.TryGetValue(item.ClassID, out uint amount)) {
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amountsToReceive.Add(0);
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continue;
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}
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amountsToReceive.Add(amount);
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itemAmountsToReceive[item.ClassID] = amount + 1; // We're getting one, so we have one more
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}
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// Sort all the lists of amounts to receive on per-game basis ascending
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foreach (List<uint> amountsToReceive in itemAmountToReceivePerGame.Values) {
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amountsToReceive.Sort();
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}
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// Calculate final neutrality result
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// This is quite complex operation of taking minimum difference from all differences on per-game basis
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// When calculating per-game difference, we sum only amounts at proper indexes, because user might be overpaying
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int difference = itemAmountToGivePerGame.Min(kv => kv.Value.Select((t, i) => (int) (t - itemAmountToReceivePerGame[kv.Key][i])).Sum());
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// Trade is neutral+ for us if the difference is greater than 0
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// If not, we assume that the trade might be good for us in the future, unless we're bot account where we assume that inventory doesn't change
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return new ParseTradeResult(tradeOffer.TradeOfferID, difference > 0 ? ParseTradeResult.EResult.AcceptedWithItemLose : (Bot.BotConfig.IsBotAccount ? ParseTradeResult.EResult.RejectedPermanently : ParseTradeResult.EResult.RejectedTemporarily));
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}
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private sealed class ParseTradeResult {
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internal readonly EResult Result;
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internal readonly ulong TradeID;
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internal ParseTradeResult(ulong tradeID, EResult result) {
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if ((tradeID == 0) || (result == EResult.Unknown)) {
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throw new ArgumentNullException(nameof(tradeID) + " || " + nameof(result));
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}
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TradeID = tradeID;
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Result = result;
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}
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internal enum EResult : byte {
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Unknown,
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AcceptedWithItemLose,
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AcceptedWithoutItemLose,
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RejectedTemporarily,
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RejectedPermanently
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}
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}
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}
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} |