1.DApp的名称：骰子游戏/Dice Game
2.DApp的介绍：
游戏介绍：
骰子游戏币圈热门玩法，欢迎体验！
游戏规则：
每次投注前选择预测的点数，可选择大于指定点数或小于指定点数，界面中会展示出预测点数对应的胜率与赔率。投注后开奖点数符合预测点数范围则为中奖。
骰子开奖点数与投注玩家及金额大小均无关系，采用Vite公有链生成随机数进取余计算，中奖概率公开公平。
3.上线状态：否
4.DApp的合约地址：vite_9f983edba1c3ffc142e5b7aaa8bdf20381fa81f8433c188381
源代码已认证：https://explorer.vite.net/account/vite_9f983edba1c3ffc142e5b7aaa8bdf20381fa81f8433c188381
5.合约代码如下：
pragma soliditypp ^0.4.2;
contract ViteBet {
address owner;
struct BetLimit {
uint256 lowerLimit;
uint256 upperLimit;
uint256 tipPer;
}
tokenId[] tokens = ["tti_5649544520544f4b454e6e40"];
mapping(tokenId => BetLimit) public tokenMap;
event win(address indexed addr, uint8 betType, uint256 rollTarget, uint256 betAmount, uint64 random64, uint64 rollNum, uint256 winAmount);
event lose(address indexed addr, uint8 betType, uint256 rollTarget, uint256 betAmount, uint64 random64, uint64 rollNum);
event suspendBet(address indexed addr, uint8 betType, uint256 rollTarget, uint256 betAmount);
constructor() public {
owner = msg.sender;
tokenMap["tti_5649544520544f4b454e6e40"].lowerLimit = 1 vite;
tokenMap["tti_5649544520544f4b454e6e40"].upperLimit = 5000 vite;
tokenMap["tti_5649544520544f4b454e6e40"].tipPer = 4;
}
onMessage () payable {}
onMessage configBetLimit(uint256 ll, uint256 ul, uint256 tp) {
require(owner == msg.sender);
require(ll > 0 && ll <= ul);
require(tp >= 0 && tp <= 20);
if (tokenMap[msg.tokenid].lowerLimit == 0)
tokens.push(msg.tokenid);
tokenMap[msg.tokenid].lowerLimit = ll;
tokenMap[msg.tokenid].upperLimit = ul;
tokenMap[msg.tokenid].tipPer = tp;
}
onMessage DrawMoney(uint256 amount) {
require(owner == msg.sender);
require(amount <= balance(msg.tokenid));
msg.sender.transfer(msg.tokenid, amount);
}
getter getBetLimit(tokenId token) returns(uint256 ll, uint256 ul, uint256 tipPer) {
return (tokenMap[token].lowerLimit, tokenMap[token].upperLimit, tokenMap[token].tipPer);
}
getter getTokenList() returns(tokenId[] memory) {
return tokens;
}
onMessage BetAndRoll(uint8 betType, uint256 rollTargets) payable {
uint256 betAmount = msg.amount;
address betAddr = msg.sender;
uint256 ll = tokenMap[msg.tokenid].lowerLimit;
uint256 ul = tokenMap[msg.tokenid].upperLimit;
require(ll > 0 && ll <= ul);
require(betAmount >= ll && betAmount <= ul);
require(rollTargets >= 4 && rollTargets <= 95);
require(betAmount == 1 vite || betAmount == 10 vite || betAmount == 50 vite || betAmount == 100 vite || betAmount == 500 vite || betAmount == 1000 vite || betAmount == 5000 vite);
require(betType == 0 || betType == 1);
uint64 randomNumber = random64();
uint64 rollNum = randomNumber % 100;
bool winBet = false;
uint256 winAmount = 0;
if (betType == 0) {
if (rollTargets > rollNum) {
winBet = true;
winAmount = betAmount * 100 / (rollTargets) * (100 - tokenMap[msg.tokenid].tipPer) / 100;
}
} else {
if (rollTargets < rollNum) {
winBet = true;
winAmount = betAmount * 100 / (99 - rollTargets) * (100 - tokenMap[msg.tokenid].tipPer) / 100;
}
}
if (winBet == false) {
emit lose(betAddr, betType, rollTargets, betAmount, randomNumber, rollNum);
} else if (winBet == true && winAmount > balance(msg.tokenid)) {
betAddr.transfer(msg.tokenid, betAmount);
emit suspendBet(betAddr, betType, rollTargets, betAmount);
} else {
betAddr.transfer(msg.tokenid, winAmount);
emit win(betAddr, betType, rollTargets, betAmount, randomNumber, rollNum, winAmount);
}
}
}
