fmt := import("fmt") exch := import("exchange") t := import("times") mfi := import("indicator/mfi") load := func() { start := t.date(2017, 8 , 17 , 0 , 0 , 0, 0) end := t.add_date(start, 0, 6 , 0) ohlcvData := exch.ohlcv("binance", "BTC-USDT", "-", "SPOT", start, end, "1d") ret := mfi.calculate(ohlcvData.candles, 14) fmt.println(ret) } load()