Method createOrder

js/src/exmo.js:1575–1681

* @method * @name exmo#createOrder * @description create a trade order * @see https://documenter.getpostman.com/view/10287440/SzYXWKPi#80daa469-ec59-4d0a-b229-6a311d8dd1cd * @see https://documenter.getpostman.com/view/10287440/SzYXWKPi#de6f4321-eeac-468c-87f7-c4ad7062e265 // sto

(symbol, type, side, amount, price = undefined, params = {})

     * @returns {object} an [order structure]{@link https://docs.ccxt.com/?id=order-structure}
     */
    async createOrder(symbol, type, side, amount, price = undefined, params = {}) {
        await this.loadMarkets();
        const market = this.market(symbol);
        const isMarket = (type === 'market') && (price === undefined);
        let marginMode = undefined;
        [marginMode, params] = this.handleMarginModeAndParams('createOrder', params);
        if (marginMode === 'cross') {
            throw new BadRequest(this.id + ' only supports isolated margin');
        }
        const isSpot = (marginMode !== 'isolated');
        const triggerPrice = this.safeStringN(params, ['triggerPrice', 'stopPrice', 'stop_price']);
        const cost = this.safeString(params, 'cost');
        const request = {
            'pair': market['id'],
            // 'leverage': 2,
            // 'quantity': this.amountToPrecision (market['symbol'], amount),
            // spot - buy, sell, market_buy, market_sell, market_buy_total, market_sell_total
            // margin - limit_buy, limit_sell, market_buy, market_sell, stop_buy, stop_sell, stop_limit_buy, stop_limit_sell, trailing_stop_buy, trailing_stop_sell
            // 'stop_price': this.priceToPrecision (symbol, stopPrice),
            // 'distance': 0, // distance for trailing stop orders
            // 'expire': 0, // expiration timestamp in UTC timezone for the order, unless expire is 0
            // 'client_id': 123, // optional, must be a positive integer
            // 'comment': '', // up to 50 latin symbols, whitespaces, underscores
        };
        if (cost === undefined) {
            request['quantity'] = this.amountToPrecision(market['symbol'], amount);
        }
        else {
            request['quantity'] = this.costToPrecision(market['symbol'], cost);
        }
        let clientOrderId = this.safeValue2(params, 'client_id', 'clientOrderId');
        if (clientOrderId !== undefined) {
            clientOrderId = this.safeInteger2(params, 'client_id', 'clientOrderId');
            if (clientOrderId === undefined) {
                throw new BadRequest(this.id + ' createOrder() client order id must be an integer / numeric literal');
            }
            else {
                request['client_id'] = clientOrderId;
            }
        }
        const leverage = this.safeNumber(params, 'leverage');
        if (!isSpot && (leverage === undefined)) {
            throw new ArgumentsRequired(this.id + ' createOrder requires an extra param params["leverage"] for margin orders');
        }
        params = this.omit(params, ['stopPrice', 'stop_price', 'triggerPrice', 'timeInForce', 'client_id', 'clientOrderId', 'cost']);
        if (price !== undefined) {
            request['price'] = this.priceToPrecision(market['symbol'], price);
        }
        let response;
        if (isSpot) {
            if (triggerPrice !== undefined) {
                if (type === 'limit') {
                    throw new BadRequest(this.id + ' createOrder () cannot create stop limit orders for spot, only stop market');
                }
                else {
                    request['type'] = side;
                    request['trigger_price'] = this.priceToPrecision(symbol, triggerPrice);
                }