@exchange-connect/coinex
Version:
Coinex ( https://www.coinex.com ) SDK
142 lines (141 loc) • 6.8 kB
JavaScript
"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var WebSocketClient = require("ws");
var WEBSOCKET_CONNECTION_STATES = require("../constants").WEBSOCKET_CONNECTION_STATES;
var signParams = require("../utils").signParams;
var WebSocket = /** @class */ (function () {
function WebSocket(url, _a, onConnect) {
var _b = _a === void 0 ? {} : _a, apiKey = _b.apiKey, apiSecret = _b.apiSecret;
this.isConnected = false;
this.isAuthorized = false;
var $this = this;
this.url = url;
this.onConnect = onConnect;
this.callbackMapping = {};
this.updateMapping = {};
this.client = new WebSocketClient(url);
this.client.on(WEBSOCKET_CONNECTION_STATES.OPEN, function webSocketConnectionOpened() {
$this.onConnection(apiKey, apiSecret);
});
this.client.on(WEBSOCKET_CONNECTION_STATES.MESSAGE, function message(message) {
$this.onMessage(message);
});
}
WebSocket.prototype.onConnection = function (apiKey, apiSecret) {
this.isConnected = true;
this.authorize(apiKey, apiSecret);
};
WebSocket.prototype.onAuthorized = function () {
this.isAuthorized = true;
this.onConnect();
};
WebSocket.prototype.generateUniqueId = function () {
var id;
do {
id = Math.floor(Math.random() * 10000 + 1);
} while (id in this.callbackMapping);
return id;
};
WebSocket.prototype.authorize = function (apiKey, apiSecret) {
return __awaiter(this, void 0, void 0, function () {
var tonce, type, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
tonce = Date.now(), type = this.url == "wss://perpetual.coinex.com/" ? "sha256" : "md5";
return [4 /*yield*/, this.send({
method: "server.sign",
params: [apiKey, signParams(apiSecret, { access_id: apiKey, tonce: tonce }, type), tonce],
})];
case 1:
result = _a.sent();
if (result && result.status == "success")
this.onAuthorized();
return [2 /*return*/];
}
});
});
};
WebSocket.prototype.onMessage = function (message) {
var parsedMessage;
if (typeof message === "string") {
parsedMessage = JSON.parse(message);
}
else {
parsedMessage = message;
}
var method = parsedMessage.method, id = parsedMessage.id, responseCallback = id ? this.callbackMapping[id] : null, responseUpdate = method ? this.updateMapping[method] : null;
if (!parsedMessage)
return;
if (responseUpdate) {
responseUpdate(parsedMessage.params);
}
else if (responseCallback) {
responseCallback(parsedMessage.result);
delete this.callbackMapping[id];
}
};
WebSocket.prototype.send = function (data, onUpdateMethod, onUpdate) {
var $this = this, requestMethod = onUpdateMethod && onUpdate ? onUpdateMethod : null, requestId = this.generateUniqueId();
data = __assign(__assign({}, data), { id: requestId });
var stringifiedData = typeof data === "object" ? JSON.stringify(data) : data;
this.client.send(stringifiedData);
return new Promise(function (resolve) {
if (requestMethod) {
$this.updateMapping[requestMethod] = onUpdate;
$this.callbackMapping[requestId] = resolve;
}
else if (requestId)
$this.callbackMapping[requestId] = resolve;
});
};
return WebSocket;
}());
module.exports = WebSocket;