public unsafe static bool TryParse(string value, out KeyParse key)
{
if (string.IsNullOrEmpty(value))
{
key = null;
return(false);
}
try
{
byte[] preData = Convert.FromBase64String(value);
byte[] deData = EncryptTEAHelper.Decrypt(preData);
fixed(byte *pByte = deData)
{
key = new KeyParse {
CoinType = (CoinTypes)(*(pByte)), PlatformType = (PlatformTypes)(*(pByte + 1))
};
return(true);
}
}
catch (Exception ex)
{
_tracing.Error(ex, null);
key = null;
return(false);
}
}
/// <summary>
/// 从数据库中获取Ticker数据
/// </summary>
public IExecuteResult <Ticker> GetDataFromDataBase(string key)
{
try
{
KeyParse keyParse;
KeyParse.TryParse(key, out keyParse);
CoinTypes coinType = keyParse.CoinType;
PlatformTypes platformType = keyParse.PlatformType;
string sqlStr = string.Format("SELECT * FROM `coin`.`trades` WHERE `CoinId` ={0} AND `PlatformId` = {1} ORDER BY `NowTime` DESC LIMIT 1"
, (int)coinType, (int)platformType);
DataTable dt = QueryData(sqlStr);
if (dt == null || dt.Rows.Count == 0)
{
return(ExecuteResult <Ticker> .Fail(SystemErrors.Unknown, "没有获取到数据"));
}
Ticker ticker = new Ticker
{
BuyPrice = double.Parse(dt.Rows[0]["BuyPrice"].ToString()),
SellPrice = double.Parse(dt.Rows[0]["SellPrice"].ToString()),
HignPrice = double.Parse(dt.Rows[0]["HighPrice"].ToString()),
LowPrice = double.Parse(dt.Rows[0]["LowPrice"].ToString()),
LastPrice = double.Parse(dt.Rows[0]["LastPrice"].ToString()),
Vol = double.Parse(dt.Rows[0]["TradeVol"].ToString())
};
//Tradescs tradesc = new Tradescs(coinType, ticker, platformType, ((MySqlDateTime)dt.Rows[0]["NowTime"]).GetDateTime());
return(ExecuteResult <Ticker> .Succeed(ticker));
}
catch (Exception ex)
{
_tracing.Error(ex, null);
return(ExecuteResult <Ticker> .Fail(SystemErrors.Unknown, ex.Message));
}
}