Re: [Cbor] Proposal for Currency and Money Amount

On Thu, Feb 14, 2019 at 08:31:10 +0000, Richter, Jörg wrote:
> Here is a proposal to assign tags to currency and money amount:
> https://j-richter.github.io/CBOR/currency.html

Should this support non-decimal currency amounts?

As far as I can tell, the only currently in use non-decimal currency is the
Mauritania's ouguiya (ISO 4217: MRU & 929) which uses 1 ouguiya = 5 khoums [1].

There are a number of historical currencies that were non-decimal, but I
suppose most (all?) of them are irrelevant since they don't have an ISO code.

(I suppose the simplest solution to allowing non-decimal currencies would be
to make the array 2 or more elements.  The currency code tells the consumer
how to render the encoded values.)

Thanks,

Jeff, who doesn't actually have a use for non-decimal currency support in CBOR.

[1] https://en.wikipedia.org/wiki/Non-decimal_currency#Contemporary_non-decimal_currencies

> I have used tags 164/165. Code 164 is “CURRENCY SIGN” in Latin1. Not that it matters.
> I think there is no reason to use shorter tags here, as currencies are
> rarely transferred/saved alone.
> Amounts of money are long enough that no shorter tag is worth it.
> 
> It is possible to use only one tag for both applications. But I think the
> semantic difference is big enough that two tags are justified.
> 
> 

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