cu8-lucky-draw-pool-engine
Version:
Lucky draw pool engine for luck based games
250 lines (249 loc) • 16.4 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.init = void 0;
var dayjs_1 = __importDefault(require("dayjs"));
var mongoose_1 = __importDefault(require("mongoose"));
var Pool_schema_1 = __importDefault(require("./models/Pool.schema"));
var types_1 = require("./types");
var utils_1 = require("./utils");
//@ts-ignore;
var cubic_bezier_1 = __importDefault(require("cubic-bezier"));
var init = function (_a) {
var mongoUrl = _a.mongoUrl, debug = _a.debug, cleanUpPools = _a.cleanUpPools;
return __awaiter(void 0, void 0, void 0, function () {
var db, RATE_DEMICAL_PLACES, RATE_DEMICAL_PLACES_MULTIPLIER, Pool, listPools, createPool, disablePool, enablePool, draw;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
RATE_DEMICAL_PLACES = 2;
RATE_DEMICAL_PLACES_MULTIPLIER = Math.pow(RATE_DEMICAL_PLACES, 10);
try {
db = mongoose_1.default.createConnection(mongoUrl);
}
catch (e) {
throw new Error(types_1.ERRORS.ERR_DB_CONN);
}
Pool = db.model('Pool', Pool_schema_1.default, 'Pool');
if (!cleanUpPools) return [3 /*break*/, 2];
return [4 /*yield*/, Pool.deleteMany({})];
case 1:
_b.sent();
_b.label = 2;
case 2:
listPools = function () { return __awaiter(void 0, void 0, void 0, function () {
var pools;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Pool.find()];
case 1:
pools = _a.sent();
return [2 /*return*/, pools];
}
});
}); };
createPool = function (_a) {
var poolKey = _a.poolKey, name = _a.name, startTime = _a.startTime, endTime = _a.endTime, period = _a.period, initialAmount = _a.initialAmount, config = _a.config, data = _a.data;
return __awaiter(void 0, void 0, void 0, function () {
var pool;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, Pool.create({
poolKey: poolKey,
name: name,
startTime: startTime,
endTime: endTime,
period: period,
initialAmount: initialAmount,
unclaimed: initialAmount,
status: types_1.PoolStatus.ACTIVE,
config: config,
data: data,
})];
case 1:
pool = _b.sent();
return [2 /*return*/, pool];
}
});
});
};
disablePool = function (poolKey) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Pool.updateOne({ poolKey: poolKey }, { $set: { status: types_1.PoolStatus.DISABLED, disabledAt: Date.now() } })];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); };
enablePool = function (poolKey) { return __awaiter(void 0, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Pool.updateOne({ poolKey: poolKey }, { $set: { status: types_1.PoolStatus.ACTIVE } })];
case 1:
_a.sent();
return [2 /*return*/];
}
});
}); };
draw = function (_a) {
var poolKeys = _a.poolKeys, accessRate = _a.accessRate, timestamp = _a.timestamp;
return __awaiter(void 0, void 0, void 0, function () {
var handlingData, currentTime, reward, pools, _i, pools_1, pool, handlingPoolData, startTime, endTime, maxRate, minRate, unit, rateFormula, rate, updatedPool, e_1;
var _b, _c, _d;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
handlingData = {};
handlingData.accessRate = 100;
if (accessRate || accessRate === 0) {
handlingData.accessRate = accessRate;
}
handlingData.accessRollResult = (0, utils_1.randomInt)(0, 100 * RATE_DEMICAL_PLACES_MULTIPLIER - 1);
handlingData.poolsAccessed =
handlingData.accessRollResult < handlingData.accessRate * RATE_DEMICAL_PLACES_MULTIPLIER;
if (!handlingData.poolsAccessed) {
if (debug) {
console.log(handlingData);
}
return [2 /*return*/];
}
currentTime = (0, dayjs_1.default)(timestamp);
reward = undefined;
return [4 /*yield*/, Pool.find({ poolKey: { $in: poolKeys }, status: types_1.PoolStatus.ACTIVE })];
case 1:
pools = _e.sent();
handlingData.pools = [];
_i = 0, pools_1 = pools;
_e.label = 2;
case 2:
if (!(_i < pools_1.length)) return [3 /*break*/, 7];
pool = pools_1[_i];
handlingPoolData = { poolKey: pool.poolKey };
startTime = (0, dayjs_1.default)(pool.startTime);
endTime = (0, dayjs_1.default)(pool.endTime);
maxRate = 100;
minRate = 0;
if (((_b = pool.config) === null || _b === void 0 ? void 0 : _b.maxRate) !== undefined) {
maxRate = pool.config.maxRate;
}
if (((_c = pool.config) === null || _c === void 0 ? void 0 : _c.minRate) !== undefined) {
minRate = pool.config.minRate;
}
handlingPoolData.burntAmount = pool.initialAmount - pool.unclaimed;
handlingPoolData.rate = 0;
unit = pool.period || 'ms';
handlingPoolData.expectedBurnSpeed = endTime.diff(startTime, unit, true) / pool.initialAmount;
handlingPoolData.expectedBurnAmount =
(currentTime.diff(startTime, unit) + 1) / handlingPoolData.expectedBurnSpeed;
handlingPoolData.remaining = handlingPoolData.expectedBurnAmount - handlingPoolData.burntAmount;
// console.log('duration', endTime.diff(startTime, unit, true));
// console.log('burn speed', handlingPoolData.expectedBurnSpeed);
// console.log(currentTime.diff(startTime, unit));
// console.log('expected', handlingPoolData.expectedBurnAmount);
// console.log(handlingPoolData.remaining);
if (handlingPoolData.remaining <= 0) {
handlingData.pools.push(handlingPoolData);
return [3 /*break*/, 6];
}
handlingPoolData.controlPoints = ((_d = pool.config) === null || _d === void 0 ? void 0 : _d.controlPoints) || [
[0, 0],
[1, 1],
];
rateFormula = (0, cubic_bezier_1.default)(handlingPoolData.controlPoints[0][0], handlingPoolData.controlPoints[0][1], handlingPoolData.controlPoints[1][0], handlingPoolData.controlPoints[1][1], 1000 / 60 / handlingPoolData.expectedBurnSpeed / 4);
rate = ((maxRate - minRate) * rateFormula(handlingPoolData.expectedBurnAmount - handlingPoolData.burntAmount) +
minRate) *
RATE_DEMICAL_PLACES_MULTIPLIER;
handlingPoolData.rate = rate / RATE_DEMICAL_PLACES_MULTIPLIER;
handlingPoolData.rollResult = (0, utils_1.randomInt)(0, 100 * RATE_DEMICAL_PLACES_MULTIPLIER - 1);
handlingPoolData.poolWinned = handlingPoolData.rollResult < rate;
if (!handlingPoolData.poolWinned) {
handlingData.pools.push(handlingPoolData);
return [3 /*break*/, 6];
}
_e.label = 3;
case 3:
_e.trys.push([3, 5, , 6]);
return [4 /*yield*/, Pool.findOneAndUpdate({
poolKey: pool.poolKey,
unclaimed: { $gte: 1, $eq: pool.unclaimed },
}, { $inc: { unclaimed: -1 } }, { new: true })];
case 4:
updatedPool = _e.sent();
if (!updatedPool) {
handlingData.pools.push(handlingPoolData);
return [3 /*break*/, 6];
}
else {
reward = {
poolName: updatedPool.name,
poolKey: updatedPool.poolKey,
poolData: updatedPool.data,
};
handlingData.pools.push(handlingPoolData);
return [3 /*break*/, 7];
}
return [3 /*break*/, 6];
case 5:
e_1 = _e.sent();
handlingPoolData.error = e_1.message;
handlingData.pools.push(handlingPoolData);
return [3 /*break*/, 6];
case 6:
_i++;
return [3 /*break*/, 2];
case 7:
if (debug) {
console.log(JSON.stringify(handlingData, null, 2));
}
return [2 /*return*/, reward];
}
});
});
};
return [2 /*return*/, { listPools: listPools, createPool: createPool, enablePool: enablePool, disablePool: disablePool, draw: draw }];
}
});
});
};
exports.init = init;
exports.default = init;