public function testGetCurrencies()
{
$currencies = Utilities::getCurrencies();
$this->assertArrayHasKey('GBP', $currencies);
$this->assertArrayHasKey('AUD', $currencies);
$this->assertArrayHasKey('USD', $currencies);
}
/**
* Set currency in which you wish to trade
*
* @param string $currency Currency
*/
public function setCurrency($currency)
{
$currencies = Utilities::getCurrencies();
if (isset($currencies[$currency])) {
$this->currency = $currency;
} else {
throw new InvalidArgumentException("Invalid currency code, ISO 4217 Expected" . $currency . " given");
}
}
