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In this project, let's build a Cryptocurrency Tracker by applying the concepts we have learned till now.

Refer to the image below:


cryptocurrency-output

Design Files

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Set Up Instructions

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  • Download dependencies by running npm install
  • Start up the app using npm start

Completion Instructions

Functionality to be added

The app must have the following functionalities

  • When the page is opened,
    • Make HTTP GET request to the cryptocurrenciesApiUrl
    • loader should be displayed while fetching the data
    • After fetching the data, the updated list of cryptocurrencies should be displayed
API Requests & Responses

cryptocurrenciesApiUrl

API: https://apis.ccbp.in/crypto-currency-converter

Method: GET

Description:

Returns a response containing the list of cryptocurrencies

Response

[
  {
    "currency_name": "Bitcoin",
    "usd_value": "46750.63",
    "euro_value": "39596.07",
    "id": "6e937df9-1345-4c2f-8ace-babff0e5108f",
    "currency_logo": "https://www.cryptocompare.com/media/19633/btc.png"
  },
  ...
]
Components Structure
cryptocurrency component breakdown structure

Implementation Files

Use these files to complete the implementation:

  • src/components/CryptocurrencyTracker/index.js
  • src/components/CryptocurrencyTracker/index.css
  • src/components/CryptocurrenciesList/index.js
  • src/components/CryptocurrenciesList/index.css
  • src/components/CryptocurrencyItem/index.js
  • src/components/CryptocurrencyItem/index.css

Quick Tips

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  • To display the animated loader, we need to import the Loader component using the below statement

    import Loader from 'react-loader-spinner'
  • In order to display the given animated loader, pass the type and color props to the Loader component with values as Rings and #ffffff, respectively

    <Loader type="Rings" color="#ffffff" height={80} width={80} />

Important Note

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The following instructions are required for the tests to pass

  • The cryptocurrencies should have the alt as the value of the key currency_name from each cryptocurrency object received in response

  • Wrap the Loader component with an HTML container element and add the data-testid attribute value as loader to it as shown below

    <div data-testid="loader">
      <Loader type="Rings" color="#ffffff" height={80} width={80} />
    </div>

Resources

Image URLs
Colors
Hex: #000000
Hex: #00e7ff
Hex: #092e33
Hex: #ffffff
Font-families
  • Roboto

Things to Keep in Mind

  • All components you implement should go in the src/components directory.
  • Don't change the component folder names as those are the files being imported into the tests.
  • Do not remove the pre-filled code
  • Want to quickly review some of the concepts you’ve been learning? Take a look at the Cheat Sheets.