public (bool, Book) ProcessOfferCancel(Domain.OfferCancel of)
{
var transact = TransactManager;
var dic = Dictionary;
Offer result = null;
foreach (var book in dic.Values)
{
var offer = book.GetOffer(of.Offer);
if (offer != null)
{
if (offer.Wallet != of.Wallet)
{
Log.Error("Invalide offer cancel, not owner");
return(false, this);
}
OfferBook newBook = null;
(newBook, result) = book.CancelOffer(of.Offer);
result.Status = OfferStatus.Canceled;
dic = dic.SetItem(book.Asset, newBook);
if (offer.Type == OfferType.Bid)
{
transact = transact.ChangeBalance(offer.Wallet, "BIZ", offer.LeavesQuantity * offer.Price);
}
else
{
transact = transact.ChangeBalance(offer.Wallet, offer.Asset, offer.LeavesQuantity);
}
return(true, new Book(this, transact, dic, ProcessedOffers.Add(result), Trades));
}
}
return(false, this);
}
public Offer GetProcessedOffer(string hash)
{
return(ProcessedOffers.FindAll(o => o.HashStr == hash).FirstOrDefault());
}
public List <Offer> GetProcessedOffers(string wallet)
{
return(ProcessedOffers.FindAll(o => o.Wallet == wallet).ToList());
}
public (bool, Book) ProcessOffer(Domain.Offer of)
{
var transact = TransactManager;
var dic = Dictionary;
var result = false;
var offers = new List <Offer>();
var trades = new List <Trade>();
var resultOffers = new List <Offer>();
var resultTrades = new List <Trade>();
if (!dic.ContainsKey(of.Asset))
{
dic = dic.Add(of.Asset, new OfferBook(of.Asset));
}
var sourceQuantity = of.Quantity;
var asset = of.Asset;
if (of.Type == OfferType.Bid)
{
sourceQuantity = of.Quantity * of.Price;
asset = "BIZ";
}
if (transact.HasBalance(of.Wallet, asset, sourceQuantity))
{
transact = transact.ChangeBalance(of.Wallet, asset, -sourceQuantity);
var book = dic[of.Asset];
if (of.Type == OfferType.Bid)
{
(book, resultTrades, resultOffers) = book.AddBid(of);
}
else
{
(book, resultTrades, resultOffers) = book.AddAsk(of);
}
dic = dic.SetItem(of.Asset, book);
offers.AddRange(resultOffers);
trades.AddRange(resultTrades);
result = true;
foreach (var trade in resultTrades)
{
transact = transact.ChangeBalance(trade.BuyerWallet, trade.Asset, trade.Quantity);
transact = transact.ChangeBalance(trade.SellerWallet, "BIZ", trade.Quantity * trade.Price);
}
}
else
{
Log.Error("Wallet has no balance to send offer.");
}
if (result)
{
return(true, new Book(this, transact, dic, ProcessedOffers.AddRange(offers), Trades.AddRange(trades)));
}
else
{
return(false, this);
}
}
