public function setUp()
 {
     parent::setUp();
     $obj = (object) ["PrimaryCurrencyAmount" => 1.0, "SecondaryCurrencyTradePrice" => 510.0, "TradeTimestampUtc" => "2014-07-31T10:34:05.935412Z"];
     $this->trade = Trade::createFromObject($obj);
 }
 /**
  * List of individual trades.
  * @return array
  */
 public function getTrades()
 {
     return array_map(function (stdClass $object) {
         return Trade::createFromObject($object);
     }, $this->object->Trades);
 }