qtbitcointrader alide stop script

qbt.js

var coin =  "BTC";
var currency = "USD";

var cmds = [ // this is like a programm, o is function
    { o : sladedown, p : 40 },
    { o : beep, p : 2020 }
];

trader.on("LastPrice").changed()
{
    if (cmds.length > 0) {
        print(">>" + value);
        while (cmds.length>0 && cmds[0].o(cmds[0], symbol, value))
            cmds.shift();
    } else
        trader.groupDone();
}

function print(str) {
    trader.log(str);
}

// Conditional functions

function stop(c, symbol, value) { // p: price where
    c.o = value > c.p ? waitdown : waitup;
}

function waitdown(c, symbol, value) { // p: price where
    print("WAITDOWN: "+ symbol + " " + value + " " + c.p);
    return value <= c.p;
}

function waitup(c, symbol, value) {
    print("WAITUP: "+ symbol + " " + value + " " + c.p);
    return value >= c.p;
}

function sladedown(c, symbol, value) {  // p: t: treshhold
    print("SLADEDOWN: "+ symbol + " " + value + " " + c.p);
    if (!c.curr) {
        c.curr = value
        return false
    } else if (c.curr > value) {
        c.curr = value
        return false;
    }
    return c.curr < value - c.p;
}

function sladeup(c, symbol, value) {
    print("SLADEUP: "+ symbol + " " + value + " " + c.p);
    if (!c.curr) {
        c.curr = value
        return false
    } else if (c.curr < value) {
        c.curr = value
        return false;

    }
    return c.curr > value + c.p;
}

// action functions
function beep(c, symbol, value) {
    trader.beep();
    print("BEEP: "+ symbol + " " + value + "  " + c.p);
    return true;
}

function sell(c, symbol, value) { // sell p coins
    trader.beep();
    print("SELL: "+ symbol + " " + value);
    var price = trader.get(symbol , c.limited ? "BidPrice" : "AskPrice");
    if (c.p == 0) {
        c.p = trader.get("Balance",coin);
    }
    trader.sell(symbol , c.p , price);
    return true
}

function buy(c, symbol, value) {  // buy p coins
    trader.beep();
    print("BUY: "+ symbol + " " + value);
    var price = trader.get(symbol , c.limited ? "AskPrice" : "BidPrice");
    if (c.p == 0) {
        c.p = trader.get("Balance",c.currency) / price ;
    }
    trader.buy(symbol , c.p, price);
    return true
}

function limitsell(c, symbol, value) {
    c.limited = true
    return sell(c, symbol, value);
}

function limitbuy(c, symbol, value) {
    c.limited = true
    return buy(c, symbol, value);
}

function switchif(c, symbol, value) { // switch to another chain
    if (c.p(c, symbol, value)) cmds = c.cmds;
    return true;
}