Poloniex.py 文件源码

def api_query(self, command, req={}):

        if (command == "returnTicker" or command == "return24Volume"):
            ret = urllib2.urlopen(urllib2.Request('https://poloniex.com/public?command=' + command))
            return json.loads(ret.read())
        elif (command == "returnOrderBook"):
            ret = urllib2.urlopen(urllib2.Request(
                'https://poloniex.com/public?command=' + command + '&currencyPair=' + str(req['currencyPair'])))
            return json.loads(ret.read())
        elif (command == "returnMarketTradeHistory"):
            ret = urllib2.urlopen(urllib2.Request(
                'https://poloniex.com/public?command=' + "returnTradeHistory" + '&currencyPair=' + str(
                    req['currencyPair'])))
            return json.loads(ret.read())
        else:
            req['command'] = command
            req['nonce'] = int(time.time() * 1000)
            post_data = urllib.urlencode(req)

            sign = hmac.new(self.Secret, post_data, hashlib.sha512).hexdigest()
            headers = {
                'Sign': sign,
                'Key': self.APIKey
            }

            ret = urllib2.urlopen(urllib2.Request('https://poloniex.com/tradingApi', post_data, headers))
            jsonRet = json.loads(ret.read())
            return self.post_process(jsonRet)