public async Task CreateANewTradeOffer()
{
var apiKey = "API KEY";
var json = "SESSION JSON CONTENT";
var partnerSteamId = 76561198000000000;
var webSession = JsonConvert.DeserializeObject <WebSession>(json);
var webAccess = new SteamWebAccess(webSession);
var webApi = new SteamWebAPI(apiKey, webAccess);
var tradeOfferManager = new TradeOfferManager(webApi, webAccess, TradeOfferOptions.Default);
if (!await tradeOfferManager.ValidateAccess(new SteamID(partnerSteamId)))
{
// Can't propose a trade offer to this user
// Maybe inventory is private
return;
}
// Get partner inventory
var partnerInventory = await tradeOfferManager.GetPartnerInventory(new SteamID(partnerSteamId));
// Get all partner dota2 assets
var partnerDota2Assets = await partnerInventory.GetAssets(AppIds.DotA2);
// We don't want to give any asset xD
var ourAssets = new Asset[0];
var newTradeOfferItemsList = new NewTradeOfferItemsList(ourAssets, partnerDota2Assets.Cast <Asset>().ToArray());
var tradeOfferMessage = "Give me your Dota2 items";
var sentTradeOfferId = await tradeOfferManager.Send(new SteamID(partnerSteamId), newTradeOfferItemsList, tradeOfferMessage);
// We can also get the trade offer
var sentTradeOffer = await tradeOfferManager.GetTradeOffer(sentTradeOfferId);
}
public async Task ManageTradeOffers()
{
var apiKey = "API KEY";
var json = "SESSION JSON CONTENT";
var webSession = JsonConvert.DeserializeObject <WebSession>(json);
var webAccess = new SteamWebAccess(webSession);
var webApi = new SteamWebAPI(apiKey, webAccess);
var tradeOfferManager = new TradeOfferManager(webApi, webAccess, TradeOfferOptions.Default);
tradeOfferManager.TradeOfferReceived += (sender, args) =>
{
// Received new trade offer
// Accept it right away if it is a gift
if (!args.TradeOffer.IsOurOffer && args.TradeOffer.OurAssets.Length == 0)
{
await tradeOfferManager.Accept(args.TradeOffer);
}
};
tradeOfferManager.TradeOfferInEscrow += (sender, args) =>
{
// A trade offer is in escrow
// If escrow is longer than 10 days, decline or cancel
var escrowDuration = await tradeOfferManager.GetEscrowDuration(args.TradeOffer);
if (escrowDuration.MyEscrowDuration > TimeSpan.FromDays(10))
{
if (args.TradeOffer.IsOurOffer)
{
await tradeOfferManager.Cancel(args.TradeOffer);
}
else
{
await tradeOfferManager.Decline(args.TradeOffer);
}
}
};
tradeOfferManager.StartPolling();
// Wait for the end of program
tradeOfferManager.Dispose();
}
