verify/bubble-shooter.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>Bubble Shooter 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>
		body {
			font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
		}

		.main {
			max-width: 760px;
			margin: 24px auto;
		}

		.muted {
			color: #6c757d;
		}
	</style>
</head>

<body>
	<div id="app" class="main">
		<h1 class="text-center pb-3">Bubble Shooter verify</h1>
		<hr />

		<!-- Inputs -->
		<form class="py-3">
			<h2 class="text-center">Input</h2>
			<div class="form-group">
				<label>Server Seed</label>
				<input class="form-control" placeholder="Server Seed" :value="server_seed"
					@input="server_seed = $event.target.value" />
			</div>
			<div class="form-group">
				<label>Client Seed</label>

				<input class="form-control" placeholder="Client Seed" :value="client_seed"
					@input="client_seed = $event.target.value" />
			</div>
			<div class="form-group">
				<label>Nonce</label>

				<input class="form-control" placeholder="Nonce" :value="nonce"
					@input="nonce = normalizeInt($event.target.value, 0)" />
			</div>

			<div class="form-group">
				<label>ColorId: {{ computedColorId }}</label>

				<input class="form-control" placeholder="ColorId" :value="colorId"
					@input="colorId = normalizeInt($event.target.value, 0)" />
			</div>

		</form>

		<hr />

		<!-- Outputs -->
		<form class="py-3">
			<h2 class="text-center">Output</h2>

			<div class="form-group">
				<label>Game result</label>
				<input class="form-control" readonly :value="returnGameResult" />
			</div>


			<div class="form-group">
				<label>Payout</label>
				<input class="form-control" readonly placeholder="Payout" :value="returnPayout"
					@input="returnPayout = normalizeInt($event.target.value, 0)" />
			</div>

			<div class="form-group" v-if="isRainbowColorId">
				<label>Random number: {{ computedColorId }}</label>
				<input class="form-control" readonly placeholder="Random number" :value="returnRandomNumber"
					@input="returnRandomNumber = normalizeInt($event.target.value, 0)" />
			</div>
		</form>

		<hr />

		<!-- Explanation -->
		<section class="py-3">
			<h2 class="text-center">Payout Table</h2>
			<div class="mt-2">
				<div v-for="(data, key) in tableData" :key="key" class="table-container w-full mb-4 px-2 py-2">
					<h3 class="table-title text-center">{{ key }}</h3>
					<table class="w-full " style="width: 100%;" border="1">
						<thead class="w-full" style="width: 100%;">
							<tr class="w-full">
								<th class=" w-24 text-center">Odds</th>
								<th class=" w-24 text-center">Range</th>
							</tr>
						</thead>
						<tbody class="w-full" style="width: 100%;">
							<tr v-for="(item, index) in data" :key="index"
								:style="key === computedColorId && item.payout === randomPayout ? 'background-color: rgb(26, 169, 100);' : ''">
								<td class="text-center w-24 px-12	">{{ item.payout / 100 }}x</td>
								<td class="text-center w-24 px-12">
									<span v-if="index === 0">≤ {{ item.max }}</span>
									<span v-else>{{ data[index-1].max + 1 }} - {{ item.max }}</span>
								</td>
							</tr>
						</tbody>
					</table>
				</div>
			</div>
		</section>
	</div>

	<script>
		const qs = tools.queryString();

		new Vue({
			el: '#app',
			data: {
				server_seed: qs.s || '',
				client_seed: qs.c || '',
				nonce: Number.isFinite(parseInt(qs.n)) ? parseInt(qs.n) : 0,
				colorId: Number.isFinite(parseInt(qs.cd)) ? parseInt(qs.cd) : 0,
				difficultly: Number.isFinite(parseInt(qs.dy)) ? parseInt(qs.dy) : 0,
				gameResult: Number.isFinite(parseInt(qs.gr)) ? parseInt(qs.gr) : 0,
				randomNumber: Number.isFinite(parseInt(qs.rn)) ? parseInt(qs.rn) : 0,
				payout: Number.isFinite(parseInt(qs.py)) ? parseInt(qs.py) : 0,
				getrtp: 0.98,
				DEFAULT_RTP: 99,
				MULTI_RTP: 100,
				tableData: {
					"RAINBOW_GREEN": [
						{ "max": 20, "payout": 120 },
						{ "max": 30, "payout": 130 },
						{ "max": 40, "payout": 150 },
						{ "max": 94, "payout": 200 },
						{ "max": 98, "payout": 500 },
						{ "max": 100, "payout": 1000 }
					],
					"RAINBOW_YELLOW": [
						{ "max": 20, "payout": 200 },
						{ "max": 30, "payout": 200 },
						{ "max": 40, "payout": 300 },
						{ "max": 94, "payout": 500 },
						{ "max": 98, "payout": 1000 },
						{ "max": 100, "payout": 5000 }
					],
					"RAINBOW_BLUE": [
						{ "max": 20, "payout": 200 },
						{ "max": 30, "payout": 200 },
						{ "max": 40, "payout": 300 },
						{ "max": 94, "payout": 500 },
						{ "max": 98, "payout": 1000 },
						{ "max": 100, "payout": 5000 }
					],
					"JACKPOT": [
						{ "max": 10, "payout": 300 },
						{ "max": 30, "payout": 500 },
						{ "max": 40, "payout": 700 },
						{ "max": 94, "payout": 1000 },
						{ "max": 98, "payout": 1500 },
						{ "max": 100, "payout": 10000 }
					]
				}
			},
			computed: {
				hmacHex() {
					if (!this.server_seed || !this.client_seed) return '';
					return CryptoJS.HmacSHA256(`${this.client_seed}:${this.nonce}`, this.server_seed).toString();
				},
				returnGameResult() {
					const rtp = this.MULTI_RTP * this.getrtp;
					const value = calcByRtp(this.server_seed, this.client_seed, this.nonce, Math.min(
						rtp,
						this.DEFAULT_RTP,
					));
					return value;
				},
				returnRandomNumber() {
					if (!this.isRainbowColorId) {
						return 0
					}

					const value = getRandomNumber(this.server_seed, this.client_seed, this.nonce, 0);
					return value;
				},
				returnPayout() {
					const value = getOdds(this.payout, this.returnGameResult, this.randomPayout);
					return Math.floor(value * 100) / 10000 + 'x';
				},
				computedColorId() {
					return this.getColorId(this.colorId);
				},
				isRainbowColorId() {
					return [5, 6, 7, 8].includes(Number(this.colorId));
				},
				colorTableList() {
					return this.tableData?.[this.computedColorId] ?? [];
				},
				randomPayout() {
					const random = this.isRainbowColorId ? this.colorTableList.find(item => item.max >= this.returnRandomNumber)?.payout : this.payout;
					return random;
				},
			},
			methods: {
				normalizeInt(v, def) {
					const n = parseInt(v, 10);
					return Number.isFinite(n) ? n : def;
				},
				getColorId(colorId) {
					const ColorId = {
						0: 'PLACEHOLDER',
						1: 'GREEN',
						2: 'YELLOW',
						3: 'BLUE',
						4: 'PURPLE',
						5: 'RAINBOW_GREEN',
						6: 'RAINBOW_YELLOW',
						7: 'RAINBOW_BLUE',
						8: 'JACKPOT',
					}
					return ColorId[colorId];
				}
			}
		});

		/**
		 * 将 hex 字符串转换为字节数组（用于 salt 分支）
		 */
		function hexToBytes(hex) {
			const bytes = [];
			for (let i = 0; i < hex.length; i += 2) {
				bytes.push(parseInt(hex.substr(i, 2), 16));
			}
			return bytes;
		}

		/**
		 * 等价于 Java: calcByRtp(String serverSeed, String clientSeed, long nonce, Integer rtp)
		 */
		function calcByRtp(serverSeed, clientSeed, nonce, rtp) {
			const key = `${clientSeed}:${nonce}`;
			const hash = CryptoJS.HmacSHA256(key, serverSeed).toString();
			return pointFromHashAndRtp(hash, null, rtp);
		}

		/**
		 * 等价于 Java: pointFromHashAndRtp(String seed, String salt, Integer rtp)
		 * 使用 BigInt 实现
		 */
		function pointFromHashAndRtp(seed, salt, rtp) {
			const nBits = 52;

			// 如果提供了 salt，进行二次 HMAC
			if (salt != null && salt !== '') {
				const seedBytes = hexToBytes(seed);
				seed = CryptoJS.HmacSHA256(seedBytes, salt).toString();
			}

			// 取前 52 bit = 13 个十六进制字符 (52 / 4 = 13)
			const hexPart = seed.substring(0, nBits / 4);

			// 使用 BigInt 解析十六进制
			const r = BigInt('0x' + hexPart);

			// 2^52 作为 BigInt
			const twoPow52 = 1n << 52n; // 或者 BigInt(2**52)

			// x = 1 - (r / 2^52)
			// 为了避免浮点数，我们保持整数运算：
			// x = (twoPow52 - r) / twoPow52

			// 计算 (rtp % 100) / x = (rtp % 100) * twoPow52 / (twoPow52 - r)
			const rtpMod100 = BigInt(rtp % 100);

			// 计算分子和分母
			const numerator = rtpMod100 * twoPow52;
			const denominator = twoPow52 - r;

			// 执行整数除法（相当于 Math.floor）
			let x = numerator / denominator;

			// 转换为 Number（因为结果不会超过安全整数范围）
			const result = Number(x);

			// Java: Math.max(100L, x.longValue())
			return Math.max(100, result);
		}

		// 辅助函数：十六进制字符串转字节数组（保持原样）
		function hexToBytes(hex) {
			const bytes = [];
			for (let i = 0; i < hex.length; i += 2) {
				bytes.push(parseInt(hex.substr(i, 2), 16));
			}
			return bytes;
		}

		function getOdds(payout, gameValue, randomPayOut) {
			// payout 取 random 还是固定的
			if (randomPayOut === 0) {
				// 非彩色球
				if (BigInt(payout) > gameValue) {
					return "0.0";
				}
				// 使用 BigInt 进行高精度除法
				return divideWithPrecision(BigInt(payout), 100n, 1);
			} else {
				// 彩色球
				if (BigInt(payout) > gameValue) {
					return "0.0";
				}
				// 使用 BigInt 进行高精度除法
				return divideWithPrecision(BigInt(randomPayOut), 100n, 1);
			}
		}

		/**
		 * 高精度除法函数，模拟 Java 的 BigDecimal.divide
		 * @param {bigint} dividend - 被除数
		 * @param {bigint} divisor - 除数
		 * @param {number} scale - 小数位数
		 * @returns {string} 保留指定小数位数的字符串结果
		 */
		function divideWithPrecision(dividend, divisor, scale) {
			// 乘以 10^scale 来保留小数
			const multiplier = 10n ** BigInt(scale);
			const result = (dividend * multiplier * 100n) / divisor; // 乘以100对应原逻辑

			// 转换为字符串并插入小数点
			const resultStr = result.toString();

			if (resultStr.length <= scale) {
				// 如果结果长度小于等于小数位数，前面补0
				return '0.' + resultStr.padStart(scale, '0');
			} else {
				// 插入小数点
				const integerPart = resultStr.slice(0, -scale);
				const decimalPart = resultStr.slice(-scale);
				return integerPart + '.' + decimalPart;
			}
		}


		// ---- 统一读取区间并返回赔率 ----
		function getPayoutByRandom(colorId, randomNumber) {
			const config = PAYOUT_TABLE.get(colorId);
			if (!config) return 0;

			// 找到第一个大于等于 randomNumber 的键
			let resultPayout = 0;
			for (const [maxValue, payout] of config) {
				if (randomNumber <= maxValue) {
					resultPayout = payout;
					break;
				}
			}

			return resultPayout;
		}

		// 如果需要更高效的查找（假设配置已排序）
		function getPayoutByRandomOptimized(colorId, randomNumber) {
			// 常量定义
			const RAINBOW_GREEN = 5;
			const RAINBOW_YELLOW = 6;
			const RAINBOW_BLUE = 7;
			const JACKPOT = 8;

			// 颜色赔率区间配置
			// key = colorId
			// value = Map<最大随机值, payout>
			const PAYOUT_TABLE = new Map();

			// ---- 静态加载所有区间定义 ----
			// RAINBOW_GREEN → 期望 2x
			const rainbowGreen = new Map([
				[20, 120],
				[30, 130],
				[40, 150],
				[94, 200],
				[98, 500],
				[100, 1000]
			]);
			PAYOUT_TABLE.set(RAINBOW_GREEN, rainbowGreen);

			// RAINBOW_YELLOW & RAINBOW_BLUE → 期望 5x
			const rainbowYellowBlue = new Map([
				[20, 200],
				[30, 200],
				[40, 300],
				[94, 500],
				[98, 1000],
				[100, 5000]
			]);
			PAYOUT_TABLE.set(RAINBOW_YELLOW, rainbowYellowBlue);
			PAYOUT_TABLE.set(RAINBOW_BLUE, rainbowYellowBlue);

			// JACKPOT → 期望 10x
			const jackpot = new Map([
				[10, 300],
				[30, 500],
				[40, 700],
				[94, 1000],
				[98, 1500],
				[100, 10000]
			]);
			PAYOUT_TABLE.set(JACKPOT, jackpot);
			const config = PAYOUT_TABLE.get(colorId);
			if (!config) return 0;

			// 将 Map 转换为数组并排序
			const entries = Array.from(config.entries()).sort((a, b) => a[0] - b[0]);

			for (const [maxValue, payout] of entries) {
				if (randomNumber <= maxValue) {
					return payout;
				}
			}

			return 0;
		}


		/**
		 * 生成随机数（1-100）
		 * @param {string} serverSeed - 服务器种子
		 * @param {string} clientSeed - 客户端种子
		 * @param {bigint} nonce - 随机数
		 * @param {bigint} round - 轮次
		 * @returns {number} 1-100之间的随机整数
		 */
		function getRandomNumber(serverSeed, clientSeed, nonce, round) {
			const key = `${clientSeed}:${nonce}:${round}`;
			const hash = CryptoJS.HmacSHA256(key, serverSeed).toString(); // 假设已有 hmacSHA256 实现

			// random [1,100]
			const randomNumber = slideWindowNumber(hash, 100) + 1;
			return randomNumber;
		}

		/**
		 * 从指定索引计算数字
		 * @param {string} hash - 哈希字符串
		 * @param {number} beginIndex - 起始索引
		 * @param {number} events - 事件数量
		 * @returns {number} 计算结果
		 */
		function calNumberFromIndex(hash, beginIndex, events) {
			// 使用 BigInt 处理大整数，避免精度丢失
			const hexStr = hash.substring(beginIndex, beginIndex + 14);
			const numBigInt = BigInt('0x' + hexStr) >> 3n;

			// 转换为浮点数进行计算
			const num = Number(numBigInt);
			const MAX_BORDER = 1 / Math.pow(2, 53);

			const result = num * MAX_BORDER;

			return Math.floor(result * events);
		}

		/**
		 * 滑动窗口算法
		 * @param {string} hash - 哈希字符串
		 * @param {number} events - 事件数量
		 * @returns {number} 随机数
		 */
		function slideWindowNumber(hash, events) {
			// 使用 BigInt 解析前15个十六进制字符
			const hexStr = hash.substring(0, 15);
			let indexBigInt = BigInt('0x' + hexStr);

			// 使用质数让影响结果的字符更分散
			indexBigInt = indexBigInt % 47n;

			return calNumberFromIndex(hash, Number(indexBigInt), events);
		}


	</script>
</body>

</html>