function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i = 0; i < ca.length; i++) {
    var c = ca[i];
    console.log(c);
    while (c.charAt(0) == ' ') {
        c = c.substring(1);
    }
    if (c.indexOf(name) == 0) {
        return c.substring(name.length, c.length).split(" ")[0];
    }
    }
    return "";
}

function setCookie(cname, cvalue){
    document.cookie = `${cname}=${cvalue}; path=/`;
}

function isAuthAndLogin(){
    return getCookie("isAuth")=="true" && getCookie("isLogin")=="true";
}

function getBtcAmount(usd){
    var request = new XMLHttpRequest();
    request.open('GET', `https://blockchain.info/tobtc?currency=USD&value=${usd}`, false);
    request.send(null);
    return request.response;
}

function getDashAmount(usd){
    var request = new XMLHttpRequest();
    request.open('GET', `https://min-api.cryptocompare.com/data/price?fsym=USD&tsyms=DASH`, false);
    request.send(null);
    return JSON.parse(request.response)["DASH"]*usd;
}

function getBtcPrice(){
    return Number((1/getBtcAmount(1)).toFixed(4))
}

function getDashPrice(){
    return Number((1/getDashAmount(1)).toFixed(4))
}