Pull Bittrex field

bittrex.js

function search(nameKey, myArray){
    for (var i=0; i < myArray.length; i++) {
        if (myArray[i].MarketName === nameKey) {
            return myArray[i];
        }
    }
}

function pullBittrex(market) {
  var response = UrlFetchApp.fetch("https://bittrex.com/api/v1.1/public/getmarketsummaries");
  var json = JSON.parse(response);
  return search(market, json.result);
}

/**
 * Pulls the bittrex field for the given market.
 *
 * @param {market, field} market.
 * @return the field for the market.
 * @customfunction
 */
function updateBittrexField(market, field) {
  return pullBittrex(market)[field];
}