function pendingOrders(ordersNum, price, amount, deltaPrice, deltaAmount) {
    var routineOrders = []
    var ordersIDs = []
    for (var i = 0 ; i < ordersNum ; i++) {
        var routine = exchange.Go("Buy", price + i * deltaPrice, amount + i * deltaAmount)
        routineOrders.push(routine)
        Sleep(ApiReqInterval)        
    }
    for (var i = 0 ; i < routineOrders.length ; i++) {
        var orderId = routineOrders[i].wait()
        if (orderId) {
            ordersIDs.push(orderId)