static void DoBuyForEmpty(SellInfo sellInfo, decimal nowPrice)
{
if (lastBuyForEmptyDate > DateTime.Now.AddSeconds(-20))
{
// 如果20秒内购购买一单， 则不能再次购买
return;
}
if (!string.IsNullOrEmpty(sellInfo.BuyClientOid))
{
return;
}
var percent = 1 + ((sellInfo.SellPrice / nowPrice) - 1) / 3;
var buySize = sellInfo.SellQuantity * percent;
var buyPrice = nowPrice * (decimal)1.01; // 更高的价格购入， 是为了能够购入
var okInstrument = InstrumentsUtils.GetOkInstruments(sellInfo.Quote, sellInfo.Symbol);
if (okInstrument == null)
{
logger.Error($"出售时候发现 不存在的交易对 {sellInfo.Quote},{sellInfo.Symbol}");
return;
}
buyPrice = decimal.Round(buyPrice, okInstrument.GetTickSizeNumber());
buySize = decimal.Round(buySize, okInstrument.GetSizeIncrementNumber());
var client_oid = "buy" + DateTime.Now.Ticks;
try
{
logger.Error($"");
logger.Error($"{JsonConvert.SerializeObject(sellInfo)}");
logger.Error($"");
logger.Error($"1: 准备购买(空) {sellInfo.Quote}-{sellInfo.Symbol}, client_oid:{client_oid}, nowPrice:{nowPrice.ToString()}, buyPrice:{buyPrice.ToString()}, buySize:{buySize}");
var sellResult = OkApi.Buy(client_oid, sellInfo.Symbol + "-" + sellInfo.Quote, buyPrice.ToString(), buySize.ToString());
logger.Error($"2: 下单完成 {JsonConvert.SerializeObject(sellResult)}");
sellInfo.BuyClientOid = client_oid;
sellInfo.BuyPrice = buyPrice;
sellInfo.BuyQuantity = buySize;
sellInfo.BuyResult = sellResult.result;
sellInfo.BuyOrderId = sellResult.order_id;
new SellInfoDao().UpdateSellInfoWhenBuy(sellInfo);
logger.Error($"3: 添加记录完成");
logger.Error($"");
lastBuyForEmptyDate = DateTime.Now;
}
catch (Exception e)
{
logger.Error("购买异常（空） 严重 --> " + e.Message, e);
Thread.Sleep(1000 * 60 * 10);
}
}
static void DoBuyForMore(string quote, string symbol, decimal nowPrice)
{
if (lastBuyDate > DateTime.Now.AddMinutes(-1))
{
// 如果1分钟内购买过一单， 则不能再次购买
return;
}
var buyAmount = (decimal)0.00;
if (quote.ToLower() == "eth")
{
// 获取没有出售的数量
var count = new BuyInfoDao().GetNotSellCount(quote, symbol);
if (count > 60)
{
count = 60;
}
buyAmount = (decimal)0.01;
buyAmount = buyAmount * ((decimal)1 + count / (decimal)40);
Console.WriteLine($"已购买数量：{symbol} -> {count}, {buyAmount}");
}
else if (quote.ToLower() == "btc")
{
var count = new BuyInfoDao().GetNotSellCount(quote, symbol);
if (count > 60)
{
count = 60;
}
buyAmount = (decimal)0.00028;
buyAmount = buyAmount * ((decimal)1 + count / (decimal)40);
Console.WriteLine($"已购买数量：{symbol} -> {count}, {buyAmount}");
}
else if (quote.ToLower() == "okb")
{
var count = new BuyInfoDao().GetNotSellCount(quote, symbol);
if (count > 60)
{
count = 60;
}
buyAmount = (decimal)1.8;
buyAmount = buyAmount * ((decimal)1 + count / (decimal)20);
Console.WriteLine($"已购买数量：{symbol} -> {count}, {buyAmount}");
}
else if (quote.ToLower() == "usdt")
{
buyAmount = (decimal)2;
}
else
{
logger.Error("000000000000000");
return;
}
var buySize = buyAmount / nowPrice;
var buyPrice = nowPrice * (decimal)1.01;
var okInstrument = InstrumentsUtils.GetOkInstruments(quote, symbol);
if (okInstrument == null)
{
logger.Error($"不存在的交易对 {quote},{symbol}");
return;
}
buyPrice = decimal.Round(buyPrice, okInstrument.GetTickSizeNumber());
buySize = decimal.Round(buySize, okInstrument.GetSizeIncrementNumber());
if (buySize < okInstrument.min_size)
{
logger.Error($"购买最小额度有问题 ----> buySize: {buySize}, min_size:{okInstrument.min_size}");
if (buySize * (decimal)1.4 > okInstrument.min_size)
{
buySize = buySize * (decimal)1.4;
}
}
if (quote.ToLower() == "btc" && symbol.ToLower() == "bch")
{
buySize = (decimal)0.0108;
}
var client_oid = "buy" + DateTime.Now.Ticks;
try
{
logger.Error($"");
logger.Error($"1: 准备购买 {quote}-{symbol}, client_oid:{client_oid}, nowPrice:{nowPrice}, buyPrice:{buyPrice.ToString()}, buySize:{buySize.ToString()}");
var tradeResult = OkApi.Buy(client_oid, symbol + "-" + quote, buyPrice.ToString(), buySize.ToString());
logger.Error($"2: 下单完成 {JsonConvert.SerializeObject(tradeResult)}");
new BuyInfoDao().CreateBuyInfo(new BuyInfo
{
BuyClientOid = client_oid,
BuyPrice = buyPrice,
BuyQuantity = buySize,
BuyCreateAt = DateTime.Now.ToString("yyyy-MM-dd"),
BuyFilledNotional = (decimal)0,
BuyStatus = "prepare",
Quote = quote,
Symbol = symbol,
UserName = "******",
BuyOrderId = tradeResult.order_id,
BuyResult = tradeResult.result
});
logger.Error($"3: 添加记录完成");
logger.Error($"");
lastBuyDate = DateTime.Now;
}
catch (Exception e)
{
logger.Error("购买异常 严重 --> " + e.Message, e);
Thread.Sleep(1000 * 60 * 60);
}
}