Get event info from Augur

get-event-info.js

var EthRPC = require('ethrpc.js');

var augur = {
    info: "0x910b359bb5b2c2857c1d3b7f207a08f3f25c4a8b",
    expiringEvents: "0x61d90fd4c1c3502646153003ec4d5c177de0fb58",
    branches: "0x13dc5836cd5638d0b81a1ba8377a7852d41b5bbe",
    events: "0xb71464588fc19165cbdd1e6e8150c40df544467b"
};
function parse_array(string, stride, init, bignum) {
    stride = stride || 64;
    var elements = (string.length - 2) / stride;
    var array = Array(elements);
    var position = init || 2;
    for (var i = 0; i < elements; ++i) {
        array[i] = "0x" + string.slice(position, position + stride);
        if (bignum) {
            array[i] = new BigNumber(array[i]);
        }
        position += stride;
    }
    return array;
}
function hexToAscii(hexx) {
    var hex = hexx.toString();
    var substr, str = '';
    for (var i = 0; i < hex.length; i += 2) {
        substr = hex.substr(i, 2);
        if (substr != '00') {
            str += String.fromCharCode(parseInt(substr, 16));
        }
    }
    return str;
}
Array.prototype.loop = function (iterator) {
    var list = this;
    var n = list.length;
    var i = -1;
    var calls = 0;
    var looping = false;
    var iterate = function() {
        calls -= 1;
        i += 1;
        if (i === n) return;
        iterator(list[i], next);
    };
    var loop = function() {
        if (looping) return;
        looping = true;
        while (calls > 0) iterate();
        looping = false;
    };
    var next = function() {
        calls += 1;
        if (typeof setTimeout === 'undefined') loop();
        else setTimeout(iterate, 1);
    };
    next();
};
EthRPC.coinbase(function (coinbase) {
    var events = [
        "0xb2a6de45f349b5ac384b01a785e640f519f0a8597ab2031c964c7f572d96b13c",
        "0x4f37814757b7d0e2dde46de18bb4bf4a85e6716a06849d5cfcebf8f1d7270b12",
        "0x412b3c588f9be08d54e99bf5095ef910c5e84080f048e3af8a2718b7b693cb83"
    ];
    events.loop(function (thisEvent, nextEvent) {
        EthRPC.invoke({
            from: coinbase.result,
            to: augur.events,
            function: "getEventInfo",
            signature: "i",
            params: thisEvent
        }, function (getEventInfo) {
            var eventInfo = parse_array(getEventInfo.result);
            console.log("event:", thisEvent);
            console.log("  - branch:", parseInt(eventInfo[1]));
            console.log("  - expirationDate:", parseInt(eventInfo[2]));
            console.log("  - outcome:", parseInt(eventInfo[3]));
            console.log("  - minValue:", parseInt(eventInfo[4]));
            console.log("  - maxValue:", parseInt(eventInfo[5]));
            console.log("  - numOutcomes:", parseInt(eventInfo[6]));
        });
        nextEvent();
    });
});