Introduction

CoinTools is a handy gadget to Chrome browser that you can launch easily to view the information of cryptocurrency.

Previous Contributions

• v0.0.6: CoinTools Update: Show Full Cryptocurrency Details by Click or Startup, Add Language Handlers
• CoinTools v0.0.5: Update: Cryptocurrency Converter Calculator, Support Coin Symbols and Add More Localization
• CoinTools v0.0.4: Conversion Between Two Fiat or Fiat-Coin + 24 Hour Cap Chart
• CoinTools v0.0.3: Adding Total Market Cap USD Chart, Localization and Stock Price Emoji
• v0.0.2 Cryptocurrency Conversion + UI Localization
• v0.0.1 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

v0.0.7 Feature

Along with some added language translation, this version adds the tab of History Data so that you can view 30 days historical conversion between any two cryptocurrency or fiat currency.

History conversion between cryptocurrency and cryptocurrency

History conversion between fiat and fiat

History conversion between cryptocurrency and fiat

Commits

Here

Roadmap of CoinTools

1. real-time graphs
2. search cryptocurrency
3. historical data

Javascript to handle conversion

// get history
const getHistory = (a, b, dom) => {
    let api = "https://min-api.cryptocompare.com/data/histoday?fsym=" + a + "&tsym=" + b + "&limit=30&e=CCCAGG";
    logit("calling " + api);
    dom.html('<img src="images/loading.gif" />');
    $.ajax({
        type: "GET",
        url: api,
        success: function(data) {
            if (data && data.Data && data.Response == 'Success') {
                let data_open = [];
                let data_close = [];
                let data_high = [];
                let data_low = [];
                let arr = data.Data;
                let datalen = arr.length;
                for (let i = 0; i < datalen; ++ i) {
                    let date = new Date(arr[i].time * 1000);
                    data_open.push({x: date, y: arr[i].open});
                    data_close.push({x: date, y: arr[i].close});
                    data_high.push({x: date, y: arr[i].high});
                    data_low.push({x: date, y: arr[i].low});
                }
                let chart = new CanvasJS.Chart("chartContainer", {
                    title:{
                        text: a + " => " + b
                    },
                    axisY:[{
                        title: b,
                        lineColor: "#C24642",
                        tickColor: "#C24642",
                        labelFontColor: "#C24642",
                        titleFontColor: "#C24642",
                        suffix: ""
                    }],
                    toolTip: {
                        shared: true
                    },
                    legend: {
                        cursor: "pointer",
                        itemclick: function(e) {
                            if (typeof (e.dataSeries.visible) === "undefined" || e.dataSeries.visible) {
                                e.dataSeries.visible = false;
                            } else {
                                e.dataSeries.visible = true;
                            }
                            e.chart.render();
                        }           
                    },
                    data: [{
                        type: "line",
                        name: "Open",
                        color: "#369EAD",
                        showInLegend: true,
                        axisYIndex: 1,
                        dataPoints: data_open
                    },
                    {
                        type: "line",
                        name: "Close",
                        color: "#C24642",
                        axisYIndex: 0,
                        showInLegend: true,
                        dataPoints: data_close
                    },
                    {
                        type: "line",
                        name: "Low",
                        color: "blue",
                        axisYIndex: 0,
                        showInLegend: true,
                        dataPoints: data_low
                    },                    
                    {
                        type: "line",
                        name: "High",
                        color: "#7F6084",
                        axisYType: "secondary",
                        showInLegend: true,
                        dataPoints: data_high
                    }]
                });
                chart.render();
            }
        },
        error: function(request, status, error) {
            logit('Response: ' + request.responseText);
            logit('Error: ' + error );
            logit('Status: ' + status);
            dom.html("");
        },
        complete: function(data) {
            logit(get_text("api_finished", "API Finished") + ": " + api);
        }             
    });     
}

License

MIT

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 Now!

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Posted on Utopian.io - Rewarding Open Source Contributors

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