def parse_ticker(self, ticker, market=None):
    symbol = self.safe_symbol(None, market)
    timestamp = self.parse8601(self.safe_string(ticker, 'created_at'))
    vwap = self.safe_string(ticker, 'vwap')
    baseVolume = self.safe_string(ticker, 'volume')
    quoteVolume = Precise.string_mul(baseVolume, vwap)
    last = self.safe_string(ticker, 'last')
    return self.safe_ticker({'symbol': symbol, 'timestamp': timestamp, 'datetime': self.iso8601(timestamp), 'high': self.safe_string(ticker, 'high'), 'low': self.safe_string(ticker, 'low'), 'bid': self.safe_string(ticker, 'bid'), 'bidVolume': None, 'ask': self.safe_string(ticker, 'ask'), 'askVolume': None, 'vwap': vwap, 'open': None, 'close': last, 'last': last, 'previousClose': None, 'change': None, 'percentage': None, 'average': None, 'baseVolume': baseVolume, 'quoteVolume': quoteVolume, 'info': ticker}, market, False)
def parse_ticker(self, ticker, market=None):
    symbol = self.safe_symbol(None, market)
    timestamp = self.parse8601(self.safe_string(ticker, 'created_at'))
    vwap = self.safe_string(ticker, 'vwap')
    baseVolume = self.safe_string(ticker, 'volume')
    quoteVolume = Precise.string_mul(baseVolume, vwap)
    last = self.safe_string(ticker, 'last')
    return self.safe_ticker({'symbol': symbol, 'timestamp': timestamp, 'datetime': self.iso8601(timestamp), 'high': self.safe_string(ticker, 'high'), 'low': self.safe_string(ticker, 'low'), 'bid': self.safe_string(ticker, 'bid'), 'bidVolume': None, 'ask': self.safe_string(ticker, 'ask'), 'askVolume': None, 'vwap': vwap, 'open': None, 'close': last, 'last': last, 'previousClose': None, 'change': None, 'percentage': None, 'average': None, 'baseVolume': baseVolume, 'quoteVolume': quoteVolume, 'info': ticker}, market, False)