## Introduction
[CoinTools](https://helloacm.com/cointools-update-adding-news-feed-average-series-in-historical-graphs/) is a handy gadget to Chrome browser that you can launch easily to view the information of cryptocurrency.

https://chrome.google.com/webstore/detail/coin-tools/fmglcggbdcbkpkfapngjobfeakehpcgj

## Previous Contributions
- [v0.0.11](https://helloacm.com/cointool-update-arbitrary-historical-date-period-amount-conversion-to-local-currency-preserve-historical-graphs/): CoinTool Update: Arbitrary Historical Date Period + Amount Conversion to Local Currency + Preserve Historical Graphs
- [v0.0.9](https://helloacm.com/cointools-update-v0-0-9-specify-amount-reverse-cryptocurrency-calculation/): CoinTools Update: v0.0.9, Specify Amount + Reverse Cryptocurrency Calculation
- [v0.0.8](https://helloacm.com/cointools-update-v0-0-8-add-coinbase-api-customized-history-data/): CoinTools Update: v0.0.8: Add Coinbase API + Customized History Data
- [v0.0.7](https://helloacm.com/cointools-historical-conversion-between-any-two-cryptocurrency/): CoinTools: Historical Conversion between Any Two Cryptocurrency
- [v0.0.6](https://helloacm.com/cointools-update-show-full-cryptocurrency-details-by-click-or-startup-add-language-handlers/): CoinTools Update: Show Full Cryptocurrency Details by Click or Startup, Add Language Handlers
- [v0.0.5](https://helloacm.com/cointools-update-cryptocurrency-converter-calculator-support-coin-symbols-and-add-more-localization/): CoinTools v0.0.5: Update: Cryptocurrency Converter Calculator, Support Coin Symbols and Add More Localization
- [v0.0.4](https://helloacm.com/cointools-v0-0-4-conversion-between-two-fiat-or-fiat-coin-24-hour-total-market-cap-chart/): CoinTools v0.0.4: Conversion Between Two Fiat or Fiat-Coin + 24 Hour Cap Chart
- [v0.0.3](https://helloacm.com/cointools-v0-0-3-adding-total-market-cap-usd-chart-localization-and-stock-price-emoji/): CoinTools v0.0.3: Adding Total Market Cap USD Chart, Localization and Stock Price Emoji
- [v0.0.2](https://helloacm.com/cointool-v0-0-2-cryptocurrency-conversion-ui-localization/): Cryptocurrency Conversion + UI Localization
- [v0.0.1](https://helloacm.com/cointool-v0-0-2-cryptocurrency-conversion-ui-localization/): Introduction to CoinTools! A Cryptocurrency Chrome Extension

## Technology Stacks
Javascript that runs in Chrome.

## Github
https://github.com/DoctorLai/CoinTools

## Chrome Webstore
It is available online at Chrome Webstore:
https://chrome.google.com/webstore/detail/coin-tools/fmglcggbdcbkpkfapngjobfeakehpcgj

## v0.0.12 Feature
[This commit](https://github.com/DoctorLai/CoinTools/commit/a19581ccaaedc176a2a0917c5a60ccf5764e0bec) contains:

- Adding News Feed
- Adding Average Line Series (and remove incorrect legend)
- UI Translations
- Auto Load Last History Graph

## Screenshots
News Feed:
![image.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1521330132/gyedkmdvdzi81upitkbg.png)

`Average = (High + Low) / 2`
![image.png](https://res.cloudinary.com/hpiynhbhq/image/upload/v1521330186/vlpwfnjwc1portcgp6eq.png)

## News Feed API and Javascript
```
// get news and articles
const getFeed = (dom) => {
    let api = "https://min-api.cryptocompare.com/data/news/?lang=EN";
    logit(get_text("calling", "calling") + " " + api);
    $.ajax({
        type: "GET",
        url: api,
        success: function(result) {
            let s = '<ol>';
            let len = result.length;
            for (let i = 0; i < len; ++ i) {
                s += "<li>";
                s += ": <a target=_blank href='" + result[i]['url'] + "'>"; 
                s += result[i]['title'];
                s += "<BR/><img style='height:100px' src='" + result[i]['imageurl'];
                s += "' /></a>";
                s += "<i>" + timestampToString(result[i]['published_on']) + "</i>";
                s += "<blockquote>";
                s += result[i]['body'];
                s += "</blockquote>";
                s += "</li>";
            }
            s += "</ol>";
            dom.html(s);
        },
        error: function(request, status, error) {
            logit(get_text('response', 'Response') + ': ' + request.responseText);
            logit(get_text('error', 'Error') + ': ' + error );
            logit(get_text('status', 'Status') + ': ' + status);
        },
        complete: function(data) {
            logit(get_text("api_finished", "API Finished") + ": " + api);
        }             
    }); 
}
```
## Roadmap of CoinTools
Any good suggestions, please shout at @justyy.

## License
[MIT](https://github.com/DoctorLai/CoinTools/blob/master/LICENSE)

## Contribution Welcome
Github: https://github.com/DoctorLai/CoinTools/

1. Fork it!
2. Create your feature branch: `git checkout -b my-new-feature`
3. Commit your changes: `git commit -am 'Add some feature'`
4. Push to the branch: `git push origin my-new-feature`
5. Submit a pull request.

## Chrome Webstore
Install the [CoinTools](https://chrome.google.com/webstore/detail/coin-tools/fmglcggbdcbkpkfapngjobfeakehpcgj) Now!

<br /><hr/><em>Posted on <a href="https://utopian.io/utopian-io/@justyy/cointools-update-adding-news-feed-average-series-in-historical-graphs">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>