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Solution Document - Crypto Converter

Dashboard Dashboard

Problem Statement

  • As a person interested in investing in cryptocurrencies, I would like to know the conversion rates between the various cryptocurrency coins and the national currency in my country.
  • I would also like to know the trends in the conversion rates over the last few weeks/months

APIs used:

  • API Provider - API Alternative V2 Link

  • API Provider - CoinGecko API V3 (3.0.0) Link

  • Endpoint - /simple/price

Solution Steps

  1. Using the requests library, call the API Alternative URL to fetch the prices for Bitcoin vs AUD and Ethereum vs AUD
    btc_url = "https://api.alternative.me/v2/ticker/Bitcoin/?convert=AUD"
    eth_url = "https://api.alternative.me/v2/ticker/Ethereum/?convert=AUD"
    btc_url = btc_url + "?format=json"
    eth_url = eth_url + "?format=json"
    # Fetch current BTC price
    btc_price = api.get(btc_url)
    # Fetch current ETH price
    eth_price = api.get(eth_url)

  1. Create the dataframe for displaying on the dashboard

  2. Create a list of all the crypto currencies and the fiat currencies you want to provide in the calculator

    crypto_coins = ['bitcoin','ethereum','litecoin','ripple','eos','monero','stellar']
    fiat = ['usd','aud','eur','gbp','cad','sgd']
  1. Call the endpoint URL to get the json data
    enpoint_url = f"https://api.coingecko.com/api/v3/simple/price?ids={crypto_str}&vs_currencies={fiat_str}"
    exc_data_json = api.get(enpoint_url).json()

  1. Create a dataframe to store the data received from the GET Request

  2. To display the 60 days chart, use the get_coin_market_chart_by_id( ) method provided by the pycoingecko library. Call the method using the parameters - crypto currency and the fiat currency

    data = gecko.get_coin_market_chart_by_id( coin, vs_currency= curr, days= days )