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mines.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>Mines verify</title>
<link rel="stylesheet" href="./lib/main.css" />
<link rel="stylesheet" href="./lib/bootstrap/css/bootstrap.min.css" />
<script src="./lib/GoogleAnalytics.js"></script>
<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">Mines verify</h1>
<hr />
<form class="py-5">
<h2 class="text-center">Input</h2>
<div class="form-group">
<input
:value="server_seed"
@change="server_seed = $event.target.value"
class="form-control"
placeholder="Server Seed"
/>
</div>
<div class="form-group">
<input
:value="client_seed"
@change="client_seed = $event.target.value"
class="form-control"
placeholder="Client Seed"
/>
</div>
<div class="form-group">
<input
:value="nonce"
@change="nonce = $event.target.value"
class="form-control"
placeholder="Nonce"
/>
</div>
</form>
<hr />
<form class="py-5">
<h2 class="text-center pb-5">Output</h2>
<div class="form-group">
<label>sha256(server_seed)</label>
<input class="form-control" readonly :value="CryptoJS.SHA256(CryptoJS.enc.Utf8.parse(server_seed)).toString()" />
</div>
<div class="form-group">
<label>hmac_sha256(client_seed:nonce, server_seed)</label>
<input class="form-control" readonly :value="result_hash" />
</div>
</form>
<hr />
<form class="py-5">
<h2 class="text-center pb-5">Final Result</h2>
<span>{{ resultList }}</span>
</form>
</div>
</body>
<script>
let qs = tools.queryString();
var app = new Vue({
el: "#app",
data: {
/** inputs */
client_seed: qs.c || "",
server_seed: qs.s || "",
nonce: parseInt(qs.n) || 0,
},
computed: {
result_hash() {
return CryptoJS.HmacSHA256(
this.client_seed + ":" + this.nonce,
this.server_seed
);
},
result_hash_list() {
return String(this.result_hash);
},
sha256ServerSeed() {
return CryptoJS.SHA256(CryptoJS.enc.Utf8.parse(this.server_seed)).toString();
},
hmacSha256Result() {
return CryptoJS.HmacSHA256(
`${this.client_seed}:${this.nonce}`,
this.server_seed
).toString();
},
resultList() {
return this.getResult(this.hmacSha256Result);
},
},
watch: {
"this.gameResult"() {
ga("send", "event", "Limbo", "verify", this.server_seed, {
metric0: this.client_seed,
metric1: this.nonce,
});
},
},
methods: {
parseInt(value) {
return window.parseInt(value, 16);
},
createNums(allNums, hash) {
let nums = [];
let h = CryptoJS.SHA256(CryptoJS.enc.Utf8.parse(hash)).toString(CryptoJS.enc.Hex);
allNums.forEach((c) => {
nums.push({ num: c, hash: h });
h = h.substring(1) + h.charAt(0);
});
nums.sort((o1, o2) =>
o1.hash < o2.hash ? -1 : o1.hash > o2.hash ? 1 : 0
);
return nums;
},
getResult(hash) {
const allNums = [
7, 2, 19, 25, 1, 13, 5, 24, 14, 6, 15, 9, 22, 16, 3, 17, 18, 20, 8,
21, 4, 12, 10, 23, 11,
];
let seed = hash;
let finalNums = this.createNums(allNums, seed);
seed = CryptoJS.SHA256(CryptoJS.enc.Utf8.parse(seed)).toString();
finalNums = this.createNums(finalNums, seed);
return finalNums.map((m) => m.num.num);
},
},
});
</script>
</html>