mirror of
https://github.com/XRPLF/rippled.git
synced 2025-12-06 17:27:55 +00:00
Currency.is_valid("USD") returned false, because "USD" is NaN (not a Number).
We should not use NaN as a stand-in value, since it means "not a *JavaScript*
number", whereas our meaning really is "not a BigInteger object". So we should
be using null.