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slots.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Slots verify</title>
<link rel="stylesheet" href="./lib/main.css">
<link rel="stylesheet" href="./lib/bootstrap/css/bootstrap.min.css">
<script src="./lib/vue.min.js"></script>
<script src="./lib/crypto-js.js"></script>
<script src="./lib/tools.js"></script>
</head>
<body>
<div id="app" class="main">
<h1 class="text-center pb-5">Slots verify</h1>
<hr>
<form class="py-5">
<h2 class="text-center">Input</h2>
<div class="form-group">
<input v-model.lazy="client_seed" class="form-control" placeholder="Client Seed">
</div>
<div class="form-group">
<input v-model.lazy="server_seed" class="form-control" placeholder="Server Seed">
</div>
<div class="form-group">
<input v-model.lazy="server_seed_hash" class="form-control" placeholder="Server Seed Hash">
</div>
<div class="row">
<div class="form-group col">
<input v-model.lazy.number="layers[0]" class="form-control" placeholder="Left">
</div>
<div class="form-group col">
<input v-model.lazy.number="layers[1]" class="form-control" placeholder="Middle">
</div>
<div class="form-group col">
<input v-model.lazy.number="layers[2]" class="form-control" placeholder="Right">
</div>
</div>
<div class="form-group">
<input v-model.lazy.number="nonce" class="form-control" placeholder="Nonce">
</div>
</form>
<hr>
<form class="py-5">
<h2 class="text-center pb-5">Output</h2>
<div class="form-group">
<label>sha256(server_seed)</label>
<input class="form-control" readonly :value="sha256(server_seed)">
</div>
<div class="form-group">
<label>hmac_sha512(client_seed:nonce, server_seed)</label>
<input class="form-control" readonly :value="result_hash">
</div>
<div class="form-group">
<label>lucky</label>
<input class="form-control" readonly :value="lucky">
</div>
</form>
<hr>
<form class="py-5">
<h2 class="text-center pb-5">Results</h2>
<h5>Final Result</h5>
<div class="form-group" style="overflow-x: auto;">
<table class="table table-sm table-bordered">
<tbody>
<tr>
<th>Left</th>
<th>Middle</th>
<th>Right</th>
<th>Ghost</th>
<th>Blank</th>
</tr>
<tr>
<td v-for="(num, index) in layerInfo" :class="{'bg-success': index == luckyIndex}">{{ num[0] }}</td>
</tr>
<tr>
<td v-for="(num, index) in layerInfo" :class="{'bg-success': index == luckyIndex}">[{{ num[1].join(',') }})</td>
</tr>
<tr>
<td v-for="(num, index) in layerInfo" :class="{'bg-success': index == luckyIndex}">
<div v-if="index == luckyIndex">{{ lucky }}</span>
</td>
</tr>
</tbody>
</table>
</div>
<h5 v-if="isTop">Roulette Result</h5>
<div v-if="isTop" class="form-group">
<div class="form-group">
<label>substr(hmac_sha512(client_seed:nonce, server_seed), 10)%5</label>
<input class="form-control" readonly :value="top_lucky">
</div>
</div>
<h5>Lucky Algorithm</h5>
<pre class="alert alert-info">
function getLucky(serverSeed, clientSeed, nonce) {
var hash = hmac_sha512(client_seed + ":" +nonce, server_seed);
var index = 0;
do {
var lucky = parseInt(hash.substr(index, 5), 16);
index += 5;
} while (lucky >= 1e6);
return lucky;
}
</pre>
<h5>Layer Data</h5>
<div id="probability" class="form-group">
<table class="table table-sm table-bordered">
<tbody>
<tr>
<th>Layer</th>
<th>Left</th>
<th>Middle</th>
<th>Right</th>
<th>Ghost</th>
<th>Blank</th>
</tr>
<tr v-for="item in layerData" :key="item[0]">
<td>{{ formatLayerString(item[0]) }}</td>
<td>{{ item[1] }}</td>
<td>{{ item[2] }}</td>
<td>{{ item[3] }}</td>
<td>{{ item[4] }}</td>
<td>{{ item[5] }}</td>
</tr>
</tbody>
</table>
</div>
</form>
</div>
</body>
</html>
<script>
let qs = tools.queryString();
var data = [
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[5,469728,187891,35788,76647,229946],
[10,300720,53461,192460,113339,340020],
[11,363871,64688,105853,116396,349192],
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[22,486736,50243,91620,92849,278552],
[23,525469,54242,70062,87556,262671],
[24,562111,58024,54507,81339,244019],
[25,597869,61715,45551,73715,221150],
[30,426461,27850,272935,68188,204566],
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[375,427676,33763,152741,96454,289366]
]
function formatLayerString (str) {
str = String(str);
return '000'.substring(0, 3-str.length)+str
}
var layerString = formatLayerString(qs.l || '');
var app = new Vue({
el: '#app',
data: {
client_seed: qs.c || '',
server_seed: qs.s || '',
server_seed_hash: qs.h || '',
layers: [parseInt(layerString[0]), parseInt(layerString[1]), parseInt(layerString[2])],
nonce: parseInt(qs.n) || 0,
luckyIndex: -1,
layerData: data,
},
computed: {
layer () {
return this.layers[0]*100+this.layers[1]*10+this.layers[2];
},
result_hash () {
return String(this.hmac_sha512(this.client_seed + ":" +this.nonce, this.server_seed));
},
layerInfo () {
var arr = data.find(item => item[0] == this.layer).slice(1);
var index = 0, i = 0;
var num;
var res = [];
while (num = arr.shift()) {
if (this.lucky>=index && this.lucky<index+num) {
this.luckyIndex = i;
}
res.push([
num,
[index, index+num]
]);
i++;
index += num;
}
return res;
},
lucky () {
var index = 0;
do {
var lucky = parseInt(this.result_hash.substr(index, 5), 16);
index += 5;
} while (lucky >= 1e6);
return lucky;
},
top_lucky () {
return parseInt(this.result_hash.substr(0, 10), 16)%5;
},
isTop () {
return Math.floor((this.layer%100)/10) == 7 && this.luckyIndex == 1;
}
},
watch: {
'this.lucky'() {
ga('send', 'event', 'Slot', 'verify', this.server_seed, {metric0: this.client_seed, metric1: this.nonce})
}
},
mounted () {
if (location.hash == '#probability') {
setTimeout(() => {
(document.scrollingElement || document.documentElement).scrollTop = document.getElementById('probability').offsetTop - 100;
}, 200);
}
},
methods: {
hmac_sha512 (msg, salt) {
return CryptoJS.HmacSHA512(msg, salt);
},
sha256 (value) {
return CryptoJS.SHA256(CryptoJS.enc.Utf8.parse(value));
},
sha512 (value) {
return CryptoJS.SHA512(CryptoJS.enc.Utf8.parse(value));
},
parseInt (value) {
return window.parseInt(value, 16);
},
formatLayerString: formatLayerString
}
});
</script>