/*
 * Copyright 2021 The BitcoinZ Project
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to
 * do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHTHOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

var elem = document.getElementById('btcz-halving-countdown');

// Set (get) the block height, halving interval and blocktime
var ActualBlockHeight = &lt;!doctype html&gt;
&lt;html data-adblockkey=&#34;MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBANDrp2lz7AOmADaN8tA50LsWcjLFyQFcb/P2Txc58oYOeILb3vBw7J6f4pamkAQVSQuqYsKx3YzdUHCvbVZvFUsCAwEAAQ==_Gc2KaRIVhrWYxQWLnkh+kZ/c9NLGQpVFVTXlJ90P1lIt1OlO68v267+e5apfhAK1/y6qfs7TsHCMjOKloXklRw==&#34; lang=&#34;en&#34; style=&#34;background: #2B2B2B;&#34;&gt;
&lt;head&gt;
    &lt;meta charset=&#34;utf-8&#34;&gt;
    &lt;meta name=&#34;viewport&#34; content=&#34;width=device-width, initial-scale=1&#34;&gt;
    &lt;link rel=&#34;icon&#34; href=&#34;data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAADElEQVQI12P4//8/AAX+Av7czFnnAAAAAElFTkSuQmCC&#34;&gt;
    &lt;link rel=&#34;preconnect&#34; href=&#34;https://www.google.com&#34; crossorigin&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;div id=&#34;target&#34; style=&#34;opacity: 0&#34;&gt;&lt;/div&gt;
&lt;script&gt;window.park = &#34;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&#34;;&lt;/script&gt;
&lt;script src=&#34;/btNWjHykp.js&#34;&gt;&lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;
;
var HalvingInterval = 840000;
var BlockTime = 150;

// get the next halving values
var NextHalvingIsNb = 0;
var NextHalvingBlock = 0;
while (NextHalvingBlock < ActualBlockHeight) {
    NextHalvingBlock = NextHalvingBlock + HalvingInterval;
    NextHalvingIsNb ++;
}

// Define some other utils value
var BlocksToHalving = NextHalvingBlock-ActualBlockHeight;
var SecondsToHalving = BlocksToHalving*BlockTime;
var MinutesToHalving = SecondsToHalving/60;
var HoursToHalving = MinutesToHalving/60;
var DaysToHalving = HoursToHalving/24;

var DateTimeNow = new  Date();
var add_minutes =  function (dt, minutes) {
    return new Date(dt.getTime() + minutes*60000);
}

// Set the date we're counting down to
var HalvingDateTime = add_minutes(DateTimeNow, MinutesToHalving); // MinutesToHalving selected
var countDownDate = HalvingDateTime.getTime();

if (!!elem) {
  setInterval(function() {

    // Get today's date and time
    // and fin the distance between now and the count down date
    var now = new  Date().getTime();
    var distance = countDownDate - now;

    // Time calculations for days, hours, minutes and seconds
    var days = Math.floor(distance / (1000 * 60 * 60 * 24));
    var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
    var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
    var seconds = Math.floor((distance % (1000 * 60)) / 1000);

    // Output the result in an element with id="btcz-halving-countdown" as defined in the display attribute
    if (elem.getAttribute("display")=="countdown1") elem.innerText = days + "d " + hours + "h " + minutes + "m " + seconds + "s";
    if (elem.getAttribute("display")=="countdown2") elem.innerText = days + ":" + hours + ":" + minutes + ":" + seconds;
    if (elem.getAttribute("display")=="fulldatetime") elem.innerText = HalvingDateTime.toString();
    if (elem.getAttribute("display")=="full1") elem.innerText = days + "d " + hours + "h " + minutes + "m " + seconds + "s \r\n" + HalvingDateTime.toString();
    if (elem.getAttribute("display")=="full2") elem.innerText = days + ":" + hours + ":" + minutes + ":" + seconds + " \r\n" + HalvingDateTime.toString();

  }, 990);
}


// Only for debug...
//console.log("Date now : " + Date().toString());
//console.log("Date halving : " + HalvingDateTime.toString());
//console.log("---------------------------------");