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in bittrex •  last year

var coinsForChecking = {};

coinsForChecking = {
fifteenMin: [],
thirtyMin: [],
fiveMin: [],
};

var yourIntrestingMarkets = ['BTC-ETH','USDT-BTC', 'USDT-ETH'];

var marketRegex = new RegExp(yourIntrestingMarkets.join('|'));

var percentageCollection = {
fifteenMin: [],
thirtyMin: [],
fiveMin: [],
};

$.signalR.coreHub.connection.received(function(data) {

if( data.M == 'updateSummaryState' )
{
var coins = data.A[0].Deltas;

    coins.map(function(coin){

        if( coin.MarketName.match(marketRegex) )
        {
            Object.keys(coinsForChecking).map(function(intervalKey){

                if( !coinsForChecking[intervalKey].hasOwnProperty(coin.MarketName) )
                {
                    coinsForChecking[intervalKey][coin.MarketName] = [];
                }

                coinsForChecking[intervalKey][coin.MarketName].push({
                    price: coin.Last, 
                    high: coin.High, 
                    low: coin.Low,
                    todayChagne: ((coin.Last - coin.PrevDay)/coin.PrevDay)*100,
                    _date: new Date(),
                });
            });
        }
    })

}
});

function toCheck(interval, percentageToCheck){

percentageToCheck = percentageToCheck || 5;

var coinData = coinsForChecking[ interval ];

Object.keys(coinData).map(function(name){

    var prices = coinData[name];

    var firstPrice = coinData[ name ][0];

    var lastPrice = coinData[ name ].pop();

    if( (lastPrice && lastPrice.price) && (firstPrice && firstPrice.price) && lastPrice.price !== firstPrice.price )
    {
        var change = lastPrice.todayChagne - firstPrice.todayChagne;

        if( firstPrice.todayChagne > lastPrice.todayChagne  )
        {   
            console.log('Goin Down',name,  change)
        }
        else{
            console.log('Goin Up',name,  change)
        }

        coinsForChecking[ interval ] = {};
    }
});

}

setInterval(function(){

console.info('********************Timeout Running fifteenMin*********************************');

toCheck('fifteenMin');
console.info(new Date());

}, (1000 * 60) * 15 );

setInterval(function(){

console.info('********************Timeout Running thirtyMin*********************************');

toCheck('thirtyMin');
console.info(new Date());

}, (1000 * 60) * 30 );

setInterval(function(){

console.info('********************Timeout Running thirtySec*********************************');

toCheck('fiveMin');
console.info(new Date());

}, (1000 * 60) * 5 );

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