/// <summary>
/// 现货历史交易信息
/// </summary>
/// <param name="symbol">btc_usd:比特币 ltc_usd :莱特币</param>
/// <param name="since">不加since参数时，返回最近的60笔交易</param>
/// <returns></returns>
public String trades(String symbol, String since)
{
String result = "";
try
{
HttpUtilManager httpUtil = HttpUtilManager.getInstance();
String param = "";
if (!StringUtil.isEmpty(symbol))
{
if (!param.Equals(""))
{
param += "&";
}
param += "symbol=" + symbol;
}
if (!StringUtil.isEmpty(since))
{
if (!param.Equals(""))
{
param += "&";
}
param += "since=" + since;
}
result = httpUtil.requestHttpGet(url_prex, TRADES_URL, param);
}
catch (Exception e)
{
throw e;
}
return(result);
}
/// <summary>
/// 获取当前可用合约总持仓量
/// </summary>
/// <param name="symbol">btc_usd：比特币， ltc_usd：莱特币 （必填字段)</param>
/// <param name="contract_type">合约类型。this_week：当周；next_week：下周；quarter：季度</param>
/// <returns></returns>
public String future_hold_amount(String symbol, String contract_type)
{
String result = "";
try
{
HttpUtilManager httpUtil = HttpUtilManager.getInstance();
String param = "";
if (!StringUtil.isEmpty(symbol))
{
if (!param.Equals(""))
{
param += "&";
}
param += "symbol=" + symbol;
}
if (!StringUtil.isEmpty(contract_type))
{
if (!param.Equals(""))
{
param += "&";
}
param += "contract_type=" + contract_type;
}
result = httpUtil.requestHttpGet(url_prex, FUTURE_HOLD_AMOUNT_URL, param);
}
catch (Exception e)
{
throw e;
}
return(result);
}
/// <summary>
/// 获取期货合约的K线数据
/// </summary>
/// <param name="symbol">btc_usd：比特币， ltc_usd：莱特币 </param>
/// <param name="type">
/// 1min : 1分钟
///3min : 3分钟
///5min : 5分钟
///15min : 15分钟
/// 30min : 30分钟
///1day : 1日
///3day : 3日
///1week : 1周
///1hour : 1小时
///2hour : 2小时
///4hour : 4小时
///6hour : 6小时
///12hour : 12小时
/// </param>
/// <param name="contract_type">合约类型。this_week：当周；next_week：下周；quarter：季度</param>
/// <param name="size">指定获取数据的条数</param>
/// <param name="since">时间戳（eg：1417536000000）。 返回该时间戳以后的数据</param>
/// <returns></returns>
public String future_kline(String symbol, String type, String contract_type, String size, String since)
{
String result = "";
try
{
HttpUtilManager httpUtil = HttpUtilManager.getInstance();
String param = "";
if (!StringUtil.isEmpty(symbol))
{
if (!param.Equals(""))
{
param += "&";
}
param += "symbol=" + symbol;
}
if (!StringUtil.isEmpty(type))
{
if (!param.Equals(""))
{
param += "&";
}
param += "type=" + type;
}
if (!StringUtil.isEmpty(contract_type))
{
if (!param.Equals(""))
{
param += "&";
}
param += "contract_type=" + contract_type;
}
if (!StringUtil.isEmpty(size))
{
if (!param.Equals(""))
{
param += "&";
}
param += "size=" + size;
}
if (!StringUtil.isEmpty(since))
{
if (!param.Equals(""))
{
param += "&";
}
param += "since=" + since;
}
result = httpUtil.requestHttpGet(url_prex, FUTURE_KLINE_URL, param);
}
catch (Exception e)
{
throw e;
}
return(result);
}
/// <summary>
/// 汇率查询
/// </summary>
/// <returns></returns>
public String exchange_rate()
{
String result = "";
try
{
HttpUtilManager httpUtil = HttpUtilManager.getInstance();
result = httpUtil.requestHttpGet(url_prex, FUTURE_EXCHANGE_RATE_URL, null);
}
catch (Exception e)
{
throw e;
}
return(result);
}
/// <summary>
/// 获取交割预估价
/// </summary>
/// <param name="symbol">btc_usd:比特币 ltc_usd :莱特币</param>
/// <returns></returns>
public String future_estimated_price(String symbol)
{
String result = "";
try
{
HttpUtilManager httpUtil = HttpUtilManager.getInstance();
String param = "";
if (!StringUtil.isEmpty(symbol))
{
if (!param.Equals(""))
{
param += "&";
}
param += "symbol=" + symbol;
}
result = httpUtil.requestHttpGet(url_prex, FUTURE_ESTIMATED_PRICE_URL, param);
}
catch (Exception e)
{
throw e;
}
return(result);
}