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Biersteker/gist:9b3b7719d0f94369062a

Created February 7, 2015 20:47
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Cordova OP_return scanner. (testtool)
Raw
gistfile1.txt
<!DOCTYPE html>
<!--
Needs Cordova, Node, Ant, Android SDK and com.phonegap.plugins.barcodescanner=https://github.com/wildabeast/BarcodeScanner.git in plugins.properties or add by commandline cordava plugins add com.phonegap.plugins.barcodescanner.
And as usual, Have fun.
Regards GielBier
-->
<html>
<head>
<title>Easy op_return</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script type="text/javascript" charset="utf-8" src="cordova.js"></script>
<script src="js/libs/jquery/jquery.js" type="text/javascript"></script>
<style>
header {
width:100%;
background-color: orange;
text-align: center;
height: 40px;
min-height: 40px;
position:fixed;
color:white;
font-family: monospace;
font-size: 16px;
font-weight: bold;
z-index:9;
}
html, body {
margin: 0px 0px 0px 0px;
}
.left {
float:left;
}
.myul {
top:40px;
position:relative;
}
ul,li {
font-family: monospace;
margin: 0px 0px 0px 0px;
padding: 0px 0px 0px 0px;
list-style-type: none;
text-align: center;
word-wrap: break-word;
}
.smallmenu {
width: 100%;
position:fixed;
right: 0px;
top:40px;
text-align: center;
background: #cccccc;
z-index: 10;
display:none;
padding: 10px;
}
.shiv {
height:40px;
}
header li {
display: inline-block;
width: auto;
font-size: 14px;
padding: 0px 10px;
height:100%;
}
</style>
</head>
<body>
<header>
<div class="left"> </div>
<span onclick="about();">OP_Return Scanner v0.01</span>
<ul>
<li onclick="scanqr()">Scan</li>
<li onclick="history()">History</li>
<li class="right" onclick="showmenu();">Network</li>
</ul>
</header>
<div class="content">
<div class="smallmenu">
<ul>
<li onclick="setbtc();">Bitcoin</li>
<li><hr></li>
<li onclick="settbtc();">Testnet Bitcoin</li>
<li><hr></li>
<li onclick="setskc();">Skeincoin</li>
</ul>
</div>
<ul class="myul"></ul>
</div>
<script>
var networks = {
bitcoin: "https://insight.bitpay.com/api/txs/?address=",
tbitcoin: "https://test-insight.bitpay.com/api/txs/?address=",
skeincoin: "http://explorer.skeincoin.org/api/txs/?address="
};
function showmenu() {
$(".smallmenu").toggle();
}
function deletehistory() {
if (confirm("Delete History?") == true) {
localStorage.clear();
history();
}
}
function history() {
var hist = localStorage.getItem('history');
if (hist == null) {
$(".myul").empty();
$(".myul").append('<li>There is no history</li><hr>');
} else {
//alert(hist);
var histarr = JSON.parse(hist);
$(".myul").empty();
$(".myul").append('<li onclick="deletehistory();"><b>Delete History</b></li><hr>');
$.each(histarr, function (key, val) {
var onclick = 'onclick=GetData(\'' + val + '\')';
$(".myul").append('<li ' + onclick + '>' + val + '</li><hr>');
});
}
}
function about(){
$(".myul").empty();
$(".myul").append('<li>OP_return scanner is a simple application I use for testing</li>');
$(".myul").append('<li>It uses the Insight blockexplorer api</li>');
$(".myul").append('<li></li>');
$(".myul").append('<li>Have fun - GielBier / @Strikerbee </li>');
}
function unique(list) {
var result = [];
$.each(list, function (i, e) {
if ($.inArray(e, result) == -1)
result.push(e);
});
return result;
}
function saveaddress(address) {
var hist = localStorage.getItem('history');
if (hist == null) {
var hist = [];
} else {
var hist = JSON.parse(hist);
}
hist.push(address);
var hist = unique(hist);
localStorage.setItem('history', JSON.stringify(hist));
//alert("saved:" + address);
}
function setbtc() {
localStorage.setItem('item', "bitcoin");
$(".right").text("bitcoin");
}
function settbtc() {
localStorage.setItem('item', "tbitcoin");
$(".right").text("tbitcoin");
}
function setskc() {
localStorage.setItem('item', "skeincoin");
$(".right").text("skeincoin");
}
$(document).ready(function () {
var a = localStorage.getItem('item');
if (a == null) {
localStorage.setItem('item', "tbitcoin");
$(".right").text("tbitcoin");
} else {
$(".right").text(a);
}
GetData('1JttRRdtAi6cDNM23Uq4BEU61R8kJeANJs');
});
function scanqr() {
cordova.plugins.barcodeScanner.scan(
function (result) {
var address = result.text
if (address.length >= 26 && address.length <= 35) {
GetData(result.text);
saveaddress(result.text);
}
},
function (error) {
alert("Scanning failed: " + error);
}
);
}
function GetData(address) {
var lazy = address.substring(0, 1);
switch (lazy) {
case '1':
setbtc();
break;
case '3':
setbtc();
break;
case '2':
settbtc();
break;
case 'm':
settbtc();
break;
case 'S':
setskc();
break;
default:
alert('Unknown address;');
return;
break;
}
$(".myul").empty();
var explorer = localStorage.getItem('item');
var url = networks[explorer];
console.log(url + address);
var count = 0;
var count2 = 0;
$.getJSON(url + address, function (data) {
console.log(JSON.stringify(data));
var data = data['txs'];
$.each(data, function (key, val) {
count2++;
var timestamp = new Date(parseInt(val.time*1000));
var data2 = val.vout;
$.each(data2, function (key2, val2) {
var opreturn = val2.scriptPubKey.asm;
if (opreturn.substring(0, 9) == "OP_RETURN") {
count++;
var hex = opreturn.slice(10);
$(".myul").append('<li>' + timestamp +'<b>('+val.confirmations+')</b><br>' + val.txid + '<br><b>' + hex2a(hex) + '</b></li><hr>');
}
});
});
$(".myul").prepend('<li>Found: '+count+' use(s) OP_RETURN in '+count2+' transactions</li><hr>');
$(".myul").prepend('<li>Network:'+explorer+'<br>'+address+'</li>');
});
}
function hex2a(hexx) {
var hex = hexx.toString(); //force conversion
var str = '';
for (var i = 0; i < hex.length; i += 2)
str += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
return str;
}
</script>
</body>
</html>
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