public function convertFromUSD(Money $money, Currency $currency, ExchangeRate $exchangeRate)
{
if ($exchangeRate->getCurrency() != $currency) {
throw new InvalidCurrencyExchangeException();
}
$rate = $exchangeRate->getRate();
$amount = $money->multiply($rate);
return Money::create($amount->getAmount(), $currency);
}
public function getLenderInviteCredit()
{
return $this->amount->multiply($this->share);
}