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baccaratsingle.html
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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>Baccarat Single Verify</title>
<link rel="stylesheet" href="./lib/main.css">
<link rel="stylesheet" href="./lib/bootstrap/css/bootstrap.min.css">
<script src="./lib/react.production.min.js"></script>
<script src="./lib/react-dom.production.min.js"></script>
<script src="./lib/crypto-js.js"></script>
<script src="./lib/tools.js"></script>
<script src="./lib/hooks.js"></script>
<script src="./lib/babel.min.js"></script>
<style>
.cards-list {
margin-bottom: 12px;
display: flex;
align-items: center;
}
.cards-list .card {
margin-right: 20px;
}
.card.red {
color: #f00;
}
</style>
</head>
<body>
<div id="app"></div>
<script type="text/babel">
let qs = tools.queryString();
let { useEffect, useMemo } = React;
const { useSetState } = hooks;
function useInputControl (initState) {
const [state, setState] = useSetState(initState);
const bind = key => ({
value: state[key],
onChange: v => setState({[key]: v})
});
return [
state,
setState,
bind
];
}
function Input ({value, onChange, ...others}) {
return (
<div class="form-group">
<input value={value}
onChange={e => onChange(e.target.value)}
class="form-control"
{...others}
/>
</div>
);
}
const allNums = [
161, 180, 199, 218, 162, 205, 181, 200, 219, 163, 182, 220, 201, 177, 196,
215, 170, 178, 221, 197, 216, 171, 179, 198, 172, 217, 193, 212, 167, 186,
194, 173, 213, 168, 187, 195, 214, 188, 169, 209, 164, 183, 202, 210, 189,
165, 184, 203, 211, 166, 204, 185,
];
function createCards (hash, times, cards, hashList) {
hashList.push(hash);
if (times <= 0) return
let h = hash;
allNums.forEach((c) => {
cards.push({card: c, hash: h});
h = h.substring(1) + h.charAt(0);
});
hash = String(CryptoJS.SHA256(hash));
times--;
createCards(hash, times, cards, hashList);
}
function create (hash, times) {
times = times || 2;
let cards = [];
let hashList = [];
createCards(hash, times, cards, hashList);
cards.sort(function (o1, o2) {
if (o1.hash < o2.hash) {
return -1;
} else if (o1.hash == o2.hash) {
return 0;
} else {
return 1;
}
})
return cards;
}
function canBankerGetCard (point, palyerPoint, thirdCardPoint) {
if(palyerPoint >= 8) return false;
if(point <= 2) return true;
else if(point === 3) {
return thirdCardPoint !=8 ;
} else if(point === 4) {
return [0, 1, 8, 9].indexOf(thirdCardPoint) < 0;
} else if(point === 5) {
return [0, 1, 2, 3, 8, 9].indexOf(thirdCardPoint) < 0;
} else if(point === 6) {
return [6, 7].indexOf(thirdCardPoint) >= 0;
}
return false;
}
function getPoint (list) {
const result = list.reduce((pre, item) => {
const currPoint = item.pointNum > 10 ? 10 : item.pointNum;
return pre + currPoint;
}, 0)
return result % 10;
}
function getRestlt (hash) {
let beginHash = String(tools.sha256(hash));
const resultList = create(beginHash);
return resultList.map((m) => m.card);
}
function createCardFram(card) {
const CARDS = " ,A,2,3,4,5,6,7,8,9,10,J,Q,K".split(",");
const SUITS = ["♠", "♥", "♣", "♦"];
let suitsIndex = (card & 240) / 16 - 10;
let suits = SUITS[suitsIndex];
let point = CARDS[card % 16];
let pointNum = card % 16;
let style = suitsIndex % 2 === 0 ? "black" : "red";
let classNames = ["cardbox", style];
return {
style,
suits,
point,
pointNum: pointNum > 10 ? 10 : pointNum
};
}
function encode(suit, point) {
return ((suit + 10) << 4) + point;
}
function BaccaratSingle () {
const [state, setState, bind] = useInputControl({
clientSeed: qs.c||'',
serverSeed: qs.s||'',
nonce: qs.n||''
});
const result = useMemo(() => {
const serverSeedHash = tools.sha256(state.serverSeed);
const resultArr = [state.clientSeed, state.nonce];
const hmacSha256Result = String(CryptoJS.HmacSHA256(resultArr.join(":"), state.serverSeed));
const resultList = getRestlt(hmacSha256Result);
const player = [createCardFram(resultList[0]), createCardFram(resultList[2])];
const banker = [createCardFram(resultList[1]), createCardFram(resultList[3])];
const palyerPoint = getPoint(player);
const bankerPoint = getPoint(banker);
const isPlayerGetCard = palyerPoint % 10 < 6;
const isBankerEnd = bankerPoint % 10 >= 8;
if(isPlayerGetCard && !isBankerEnd) {
player.push(new Card(resultList[4]));
}
const thirdCardPoint = player[2] ? getPoint([player[2]]) % 10 : -1;
const flag = canBankerGetCard(bankerPoint % 10, palyerPoint % 10, thirdCardPoint);
if(flag) banker.push(isPlayerGetCard ? createCardFram(resultList[5]) : createCardFram(resultList[4]));
const playerPointFinal = getPoint(player);
const bankerPointFinal = getPoint(banker);
return {
player,
banker,
playerPointFinal,
bankerPointFinal,
hmacSha256Result,
}
}, [state]);
const {player, banker, playerPointFinal, bankerPointFinal} = result;
return (
<div className="main">
<h1 className="text-center pb-5">Baccarat single verify</h1>
<hr />
<h2 class="text-center">Input</h2>
<form className="py-5">
<Input placeholder="Server Seed" {...bind('serverSeed')} />
<Input placeholder="Client Seed (Hashed)" {...bind('clientSeed')} />
<Input placeholder="Nonce" {...bind('nonce')} />
</form>
<h2 class="text-center">Output</h2>
<form className="py-5">
<Input placeholder="HmacSHA256(clientSeed, serverSeed)" readOnly value={result.hmacSha256Result} />
<h5 style={{marginTop: 20}}>Result</h5>
<div className="result-list">
<div className="player-cards">
<p>Player: {playerPointFinal % 10}</p>
<div className="cards-list">
{player.map((item, index) => {
const clname = "result-card-item" + (index+1);
return (
<div className={clname + " card " + item.style} key={item.pointNum + "-" + index}>
<div className="flower">{item.suits}</div>
<div className="point">{item.point}</div>
</div>
)
})}
</div>
</div>
<div className="banker-cards">
<p>Banker: {bankerPointFinal % 10}</p>
<div className="cards-list">
{banker.map((item, index) => {
const clname = "result-card-item" + (index+1);
return (
<div className={clname + " card " + item.style} key={item.pointNum + "-" + index}>
<div className="flower">{item.suits}</div>
<div className="point">{item.point}</div>
</div>
)
})}
</div>
</div>
</div>
</form>
</div>
);
}
ReactDOM.render(<BaccaratSingle />, document.getElementById("app"));
</script>
</body>
</html>