crypto-complete.py

    import requests
    import pandas as pd
    from scipy import stats
    import time

    coin_api_key = 'YOUR-KEY-HERE'
    slack_token = 'YOUR-KEY-HERE'

    # define functions
    def COINprices(crypto):
        # get current price
        url = 'https://rest.coinapi.io/v1/exchangerate/{0}/USD'.format(crypto)
        headers = {'X-CoinAPI-Key' : coin_api_key}
        response = requests.get(url, headers = headers)
        content = response.json()
        current_price = content['rate']
        current_time = content['time']

        # get historical prices (30 days)
        url = 'https://rest.coinapi.io/v1/ohlcv/{0}/USD/latest?period_id=1DAY&limit=30'.format(crypto)
        headers = {'X-CoinAPI-Key' : coin_api_key}
        response = requests.get(url, headers=headers)
        content = response.json()
        df_30 = pd.DataFrame(content)

        # get historical prices (90 days)
        url = 'https://rest.coinapi.io/v1/ohlcv/{0}/USD/latest?period_id=1DAY&limit=90'.format(crypto)
        headers = {'X-CoinAPI-Key' : coin_api_key}
        response = requests.get(url, headers=headers)
        content = response.json()
        df_90 = pd.DataFrame(content)

        # calculate percentiles
        day_30_percentile = stats.percentileofscore(df_30.price_close, current_price)
        day_90_percentile = stats.percentileofscore(df_90.price_close, current_price)

        return {'current_price': current_price, 'day_30_percentile': day_30_percentile , 'day_90_percentile': day_90_percentile}

    def createMessage(cyrpto, current_price, day_30_percentile):
        if day_30_percentile <= 20:
            status = 'BARGIN'
        elif day_30_percentile <= 80:
            status = 'TYPICAL BUY'
        else:
            status = 'RIP-OFF'

        percentile_formatted = "{:.1%}".format(day_30_percentile/100)
        current_price_formatted = '${:,.2f}'.format(current_price)

        message = '{0} is a {1} today. The current price of {2} is higher than {3} of closing prices during the last 30 days.'.format(crypto, status, current_price_formatted, percentile_formatted)
        return(message)

    def SLACKmessage(text):
        slack_api_url = 'https://slack.com/api/chat.postMessage'
        data = {'token': slack_token, 
                "channel": "YOUR-CHANNEL-ID-HERE",
                "text": text}
        # post message to crypto-alerts slack channel
        r = requests.post(url = slack_api_url, data = data)

    cryptos = ['BTC', 'ETH', 'XRP']
    for crypto in cryptos:
        time.sleep(4)
        result = COINprices(crypto)
        current_price = result['current_price']
        day_30_percentile = result['day_30_percentile']
        day_90_percentile = result['day_90_percentile']
        message = createMessage(crypto, current_price, day_30_percentile)
        SLACKmessage(message)
        print(crypto, current_price, day_30_percentile, day_90_percentile)