verify/sicbo-multiplayer.html at main · bcgame-project/verify · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Sicbo 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>
  <script src="./lib/utils.js"></script>
  <style>
    .table {
      font-size: 14px;
    }
    .dice-result {
      font-weight: bold;
      color: #007bff;
    }
  </style>
</head>
<body>
  <div id="app" class="main">
    <h1 class="text-center pb-5">Sicbo Verify</h1>
    <hr />
    <form class="py-5">
      <h2 class="text-center pb-5">Input</h2>
      <div class="form-group">
        <label>Hash</label>
        <input
          class="form-control"
          v-model.lazy="initHash"
          @change="doVerify"
        />
      </div>
      <div class="form-group">
        <label>Salt</label>
        <input class="form-control" readonly :value="salt" />
      </div>
      <div class="form-group">
        <label>Amount of games</label>
        <input
          class="form-control"
          v-model.lazy="amount"
          @change="doVerify"
        />
      </div>
    </form>
    <hr />
    <form class="py-5">
      <h2 class="text-center pb-5">Results</h2>
      <div class="form-group" style="overflow-x: auto;">
        <table class="table table-sm table-bordered">
          <thead>
            <tr>
              <th>Game's hash</th>
              <th>Dice 1</th>
              <th>Dice 2</th>
              <th>Dice 3</th>
              <th>Total Sum</th>
              <th>Result Array</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="(item, index) in result" :key="index">
              <td>{{ item.hash }}</td>
              <td class="dice-result">{{ item.diceResults[0] }}</td>
              <td class="dice-result">{{ item.diceResults[1] }}</td>
              <td class="dice-result">{{ item.diceResults[2] }}</td>
              <td class="dice-result">{{ item.totalSum }}</td>
              <td>[{{ item.diceResults.join(', ') }}]</td>
            </tr>
          </tbody>
        </table>
      </div>
    </form>
  </div>

  <script>
    /**
     * Sicbo calculation function based on Java implementation
     * Generates the outcomes for three dice in a Sic Bo game.
     * @param {string} seed - The seed value
     * @param {string} salt - The salt value (server seed)
     * @return {Array} A list containing three integers (between 1 and 6), representing the dice rolls.
     */
    function calcSicbo(seed, salt) {
      const diceResults = [];
      for (let i = 0; i < 3; i++) {
        const hash = `${seed}:${i}`;
        const message = String(CryptoJS.HmacSHA256(hash, salt));
        // Generate a random number in the range of 1 to 6
        const rawNumber = Math.floor(slideWindowNumber(message, 6)) + 1;
        diceResults.push(rawNumber);
      }
      return diceResults;
    }

    let qs = tools.queryString();
    const app = new Vue({
      el: "#app",
      data: {
        amount: 10,
        initHash: qs.hash || '',
        salt: "0000000000000000000301e2801a9a9598bfb114e574a91a887f2132f33047e6",
        result: [],
      },
      created() {
        this.doVerify();
      },
      methods: {
        doVerify() {
          let prevHash = null;
          let list = [];
          for (let i = 0; i < this.amount; i++) {
            let hash = String(
              prevHash ? CryptoJS.SHA256(String(prevHash)) : this.initHash
            );

            // Calculate sicbo dice results
            let diceResults = calcSicbo(hash, this.salt);
            let totalSum = diceResults.reduce((sum, dice) => sum + dice, 0);

            let result = {
              hash: hash,
              diceResults: diceResults,
              totalSum: totalSum
            };

            list.push(result);
            prevHash = hash;
          }
          this.result.splice(0, this.result.length, ...list);
        },
      },
    });
  </script>
</body>
</html>