@stoqey/hennessy
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Hennessy - A very special Cognac (Market Data/IBKR/FINNHUB/BINANCE)
234 lines • 11.1 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Hennessy = exports.HEN = void 0;
/**
*
*
* - Use IBKR
* - Use Finnhub
*
* one constructor
* - use envs
* - use option constructor options
*/
var finnhub_1 = require("@stoqey/finnhub");
var ibkr_1 = __importStar(require("@stoqey/ibkr"));
var events_1 = require("events");
var lodash_1 = require("lodash");
var logs_1 = require("./logs");
var providers_1 = require("./providers");
var HEN;
(function (HEN) {
HEN["start"] = "START";
HEN["data"] = "DATA";
HEN["error"] = "error";
})(HEN = exports.HEN || (exports.HEN = {}));
/**
* Hennessy APP
*/
var Hennessy = /** @class */ (function (_super) {
__extends(Hennessy, _super);
function Hennessy(args) {
var _this = _super.call(this) || this;
_this.providerType = providers_1.MarketDataProviders.IBKR;
_this.provider = null;
_this.started = false;
_this.startConfig = function () { return __awaiter(_this, void 0, void 0, function () {
var providerTypeFromEnv, _a, providerType, finnhubToken, finnhubProvider_1, ibEventsProvider, IB_HOST, IB_PORT, ib, ibkrProvider_1;
var _this = this;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
providerTypeFromEnv = lodash_1.get(process.env, "HEN_PROVIDER", providers_1.MarketDataProviders.FINNHUB);
_a = (this.args || {}).providerType, providerType = _a === void 0 ? providerTypeFromEnv : _a;
this.providerType = providerType; // set providerType
logs_1.log("startConfig", { providerType: providerType });
if (providerType === providers_1.MarketDataProviders.FINNHUB) {
finnhubToken = lodash_1.get(process.env, "FINNHUB_KEY", undefined);
this.provider = new finnhub_1.FinnhubWS(finnhubToken);
finnhubProvider_1 = this.provider;
// onReady
finnhubProvider_1.on(finnhub_1.FinnhubWSEvents.onReady, function () {
console.log("Finnhub on ready");
finnhubProvider_1.emit(HEN.start, true);
_this.started = true;
});
// onData
finnhubProvider_1.on(finnhub_1.FinnhubWSEvents.onData, function (data) {
console.log("Finnhub on data");
finnhubProvider_1.emit(HEN.data, data);
});
// on error
finnhubProvider_1.on(finnhub_1.FinnhubWSEvents.onError, function (error) {
console.log("Finnhub on error");
finnhubProvider_1.emit(HEN.error, error);
});
}
if (!(providerType === providers_1.MarketDataProviders.IBKR)) return [3 /*break*/, 5];
ibEventsProvider = ibkr_1.IbkrEvents.Instance;
IB_HOST = lodash_1.get(process.env, "IB_HOST", undefined);
IB_PORT = lodash_1.get(process.env, "IB_PORT", undefined);
ib = null;
if (!(IB_HOST && IB_PORT)) return [3 /*break*/, 2];
return [4 /*yield*/, ibkr_1.default({
port: +IB_PORT,
host: IB_HOST,
})];
case 1:
ib = _b.sent();
return [3 /*break*/, 4];
case 2: return [4 /*yield*/, ibkr_1.default()];
case 3:
ib = _b.sent();
_b.label = 4;
case 4:
if (!ib) {
throw new Error("error connecting to ibkr");
}
this.provider = ibEventsProvider;
ibkrProvider_1 = this.provider;
// start
this.startDrinking();
// error
ibkrProvider_1.on(ibkr_1.IBKREVENTS.ERROR, function (data) {
ibkrProvider_1.emit(HEN.error, data);
});
// on data / price updates
ibkrProvider_1.on(ibkr_1.IBKREVENTS.ON_PRICE_UPDATES, function (error) {
_this.startDrinking();
ibkrProvider_1.emit(HEN.data, error);
});
_b.label = 5;
case 5: return [2 /*return*/];
}
});
}); };
/**
* start
*/
_this.start = function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.startConfig()];
});
}); };
/**
* startDrinking
*/
_this.startDrinking = function () {
logs_1.log("start drinking now");
if (!_this.started && _this.provider) {
_this.provider.emit(HEN.start, true);
_this.started = true;
}
};
/**
* addSymbol
* IBKR { symbol, tickType }
* FINNHUB symbol
*/
_this.addSymbol = function (data) {
var providerType = _this.providerType;
var provider = _this.provider;
if (provider)
switch (providerType) {
case providers_1.MarketDataProviders.FINNHUB:
provider.addSymbol(data);
break;
default:
case providers_1.MarketDataProviders.IBKR:
provider.emit(ibkr_1.IBKREVENTS.SUBSCRIBE_PRICE_UPDATES, data);
break;
}
};
/**
* removeSymbol
*/
_this.removeSymbol = function (symbol) {
var providerType = _this.providerType;
var provider = _this.provider;
if (provider)
switch (providerType) {
case providers_1.MarketDataProviders.FINNHUB:
provider.removeSymbol(symbol);
break;
default:
case providers_1.MarketDataProviders.IBKR:
provider.emit(ibkr_1.IBKREVENTS.UNSUBSCRIBE_PRICE_UPDATES, symbol);
break;
}
};
_this.args = args;
return _this;
}
return Hennessy;
}(events_1.EventEmitter));
exports.Hennessy = Hennessy;
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