public Task <BestPriceToBuyViewModel> GetBestPriceToBuyAsync(MercadoBitcoinOrderBook orderBook, decimal min_value = 2000)
{
return(Task.Factory.StartNew(() =>
{
double transaction_fee_percent = (0.30 / 100);
var best_price_to_buy_vm = new BestPriceToBuyViewModel();
var prices_to_buy = orderBook.Asks;
decimal best_price_to_buy = 0;
double amount_to_buy = 0;
for (int i = 0; i < (prices_to_buy.Length / 2) - 1; i++)
{
var value = (prices_to_buy[i, 0] * prices_to_buy[i, 1]);
if (value > min_value)
{
best_price_to_buy = prices_to_buy[i, 0];
amount_to_buy = (double)prices_to_buy[i, 1];
break;
}
}
best_price_to_buy_vm.Exchange = "MercadoBitcoin";
if (best_price_to_buy > 0)
{
best_price_to_buy_vm.Price = best_price_to_buy;
best_price_to_buy_vm.Amount = (double)(min_value / best_price_to_buy);
best_price_to_buy_vm.Valeu = (decimal)best_price_to_buy_vm.Amount * best_price_to_buy;
var fee = best_price_to_buy_vm.Valeu * (decimal)transaction_fee_percent;
best_price_to_buy_vm.Fee = fee;
}
return best_price_to_buy_vm;
}));
}
public Task <BestPriceToSellViewModel> GetBestPriceToSellAsync(MercadoBitcoinOrderBook orderBook, double btc_amount)
{
return(Task.Factory.StartNew(() => {
decimal min_value = 2000;
double withdrawal_fee_percent = (1.99 / 100);
decimal withdrawal_fee_brl = 2.90m;
var best_price_to_sell_vm = new BestPriceToSellViewModel();
var prices_to_sell = orderBook.Bids;
decimal best_price_to_sell = 0;
double amount_to_sell = 0;
for (int i = 0; i < (prices_to_sell.Length / 2) - 1; i++)
{
var value = (prices_to_sell[i, 0] * prices_to_sell[i, 1]);
if (value > min_value)
{
best_price_to_sell = prices_to_sell[i, 0];
amount_to_sell = (double)prices_to_sell[i, 1];
break;
}
}
best_price_to_sell_vm.Exchange = "MercadoBitcoin";
if (prices_to_sell != null)
{
best_price_to_sell_vm.Price = best_price_to_sell;
best_price_to_sell_vm.Amount = btc_amount;
var fee = (((decimal)btc_amount * best_price_to_sell) * (decimal)withdrawal_fee_percent) + withdrawal_fee_brl;
best_price_to_sell_vm.Valeu = ((decimal)btc_amount * best_price_to_sell);
best_price_to_sell_vm.Fee = fee;
}
return best_price_to_sell_vm;
}));
}
