hitbtc-connect
Version:
Connector to Hitbtc API
258 lines • 11 kB
JavaScript
;
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 (_) 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 };
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var moment_1 = __importDefault(require("moment"));
var request = __importStar(require("request-promise-native"));
var stream_1 = require("stream");
var ws_1 = __importDefault(require("ws"));
var BASE_URL = "https://api.hitbtc.com/api/2/";
var WS_ADDRESS = "wss://api.hitbtc.com/api/2/ws";
function convertPeriod(period) {
var timeframe;
switch ("" + period) {
case "1":
timeframe = "M1";
break;
case "3":
timeframe = "M3";
break;
case "5":
timeframe = "M5";
break;
case "15":
timeframe = "M15";
break;
case "30":
timeframe = "M30";
break;
case "60":
timeframe = "H1";
break;
case "240":
timeframe = "H4";
break;
}
return timeframe;
}
var Exchange = /** @class */ (function () {
function Exchange() {
}
Exchange.prototype.getPairs = function () {
return __awaiter(this, void 0, void 0, function () {
var options, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
options = {
baseUrl: BASE_URL,
url: "public/symbol"
};
_b = (_a = JSON).parse;
return [4 /*yield*/, request.get(options)];
case 1: return [2 /*return*/, _b.apply(_a, [_c.sent()]).map(function (e) {
return {
currency: e.quoteCurrency,
asset: e.baseCurrency
};
})];
}
});
});
};
Exchange.prototype.getPeriods = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, [1, 3, 5, 15, 30, 60, 240]];
});
});
};
Exchange.prototype.getCandles = function (_a) {
var currency = _a.currency, asset = _a.asset, period = _a.period, start = _a.start, end = _a.end;
return __awaiter(this, void 0, void 0, function () {
var CANDLES_LIMIT, limit, options, _b, _c, _d;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
CANDLES_LIMIT = 1000;
limit = Math.min(Math.floor(moment_1.default.utc(end).diff(moment_1.default.utc(start), "m") / period) + 1, CANDLES_LIMIT);
options = {
baseUrl: BASE_URL,
url: "public/candles/" + asset.toUpperCase() + currency.toUpperCase(),
qs: {
period: convertPeriod(period),
from: moment_1.default.utc(start).toISOString(),
limit: limit
}
};
if (!limit) return [3 /*break*/, 2];
_d = (_c = JSON).parse;
return [4 /*yield*/, request.get(options)];
case 1:
_b = _d.apply(_c, [_e.sent()]).map(function (e) {
return {
time: e.timestamp,
open: +e.open,
high: +e.max,
low: +e.min,
close: +e.close,
volume: +e.volume
};
});
return [3 /*break*/, 3];
case 2:
_b = [];
_e.label = 3;
case 3: return [2 /*return*/, _b];
}
});
});
};
Exchange.prototype.getTicker = function (_a) {
var currency = _a.currency, asset = _a.asset;
return __awaiter(this, void 0, void 0, function () {
var options, _b, ask, bid, _c, _d;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
options = {
baseUrl: BASE_URL,
url: "public/ticker/" + asset.toUpperCase() + currency.toUpperCase()
};
_d = (_c = JSON).parse;
return [4 /*yield*/, request.get(options)];
case 1:
_b = _d.apply(_c, [_e.sent()]), ask = _b.ask, bid = _b.bid;
return [2 /*return*/, {
ask: +ask,
bid: +bid
}];
}
});
});
};
Exchange.prototype.liveCandles = function (_a) {
var currency = _a.currency, asset = _a.asset, period = _a.period;
var ws = new ws_1.default(WS_ADDRESS);
var rs = new stream_1.Readable({
objectMode: true,
read: function () { },
destroy: function (err, callback) {
ws.on("close", function () {
callback(err);
});
ws.close();
}
});
ws.on("open", function () {
ws.send(JSON.stringify({
method: "subscribeCandles",
params: {
symbol: "" + asset.toUpperCase() + currency.toUpperCase(),
period: convertPeriod(period),
limit: 1000
},
id: 0
}));
});
ws.on("message", function (m) {
var data = JSON.parse(m);
var params = data.params;
if ((data.method === "snapshotCandles" ||
data.method === "updateCandles") &&
params &&
params.data) {
rs.push(params.data.map(function (e) {
return {
time: e.timestamp,
open: +e.open,
high: +e.max,
low: +e.min,
close: +e.close,
volume: +e.volume
};
}));
}
});
return rs;
};
Exchange.prototype.liveTicker = function (_a) {
var currency = _a.currency, asset = _a.asset;
var ws = new ws_1.default(WS_ADDRESS);
var rs = new stream_1.Readable({
objectMode: true,
read: function () { },
destroy: function (err, callback) {
ws.on("close", function () {
callback(err);
});
ws.close();
}
});
ws.on("open", function () {
ws.send(JSON.stringify({
method: "subscribeTicker",
params: { symbol: "" + asset.toUpperCase() + currency.toUpperCase() },
id: 0
}));
});
ws.on("message", function (m) {
var data = JSON.parse(m);
var params = data.params;
if (data.method === "ticker" && params) {
rs.push({
ask: +params.ask,
bid: +params.bid
});
}
});
return rs;
};
return Exchange;
}());
exports.Exchange = Exchange;
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