Regarding the decimal vs satoshi notation I see a few problems with satoshi: * readability - humans reading the URI would expect it to accurately reflect what is being displayed (subject to internationalisation issues) For example, amount=1.234 is more human readable than amount=123400000 (ish) * backwards compatibility - existing software already uses the decimal notation * forwards compatibility - Bitcoin needs to move beyond the satoshi to 20 dps for some reason, this remains OK within the existing schema, but forces decimals into the satoshi scheme * simplicity - dual decimal/satoshi variants should be discouraged under the "single representation" approach It's relatively straightforward to convert a string encoded decimal into an internal integer for currency calculations just by applying a multiplying factor. One never uses doubles or floats for money. On 31 January 2012 14:33, slush wrote: > Hi Amir, > > > All the HTML, URI and everything uses decimal numbers alone. I see no > reason for breaking with tradition. > > excuse me if it was already discussed, but maybe using satoshis instead of > decimal bitcoin would be better choice? We all know about pains with proper > handling decimal numbers across of all implementations - and it's not only > about json-rpc. > > Otherwise I agree, BIP 21 is better than BIP 20 because it's easier to > implement all points of the standard. > > Best, > slush > > On Tue, Jan 31, 2012 at 3:27 PM, Amir Taaki wrote: > >> BIP 20 really has no support among implementations such as Bitcoin-Qt, >> Electrum, MultiBit or Bitcoin-JS. As the most active and visible user >> facing GUI projects (all with some form of URI Scheme), their opinion >> carries the most weight. To a lesser degree Bitcoin-Qt has the large >> majority of users too (although that's a line of reasoning I'd discourage). >> >> Normally we should probably Reject BIP 21 and re-submit a new standard >> (for history's sake), but as a) BIP 21 is largely a copy paste of BIP 20 >> sans some sections b) it is still a draft, probably the best thing here is >> if you all agree on something to run it by BlueMatt and then we'll make it >> the new BIP 21. >> >> I can see a consensus forming on most parts. Just the send private key is >> contentious, and there's the topic of adding a time to expire field for >> merchants (this is a very good idea IMO). >> >> Also BIP 20 is problematic because it is incompatible with about every >> standard on the web. All the HTML, URI and everything uses decimal numbers >> alone. I see no reason for breaking with tradition. Note that everytime I >> have to write Color or Vectorize (as a British speaker) in my code, I die a >> little inside. But it's convention and American English = International >> English. Also it would be cool if all code used a *real* international >> language (like Esperanto) but the world ain't perfect! We live in a >> decimal-counting English-speaking Windows-using God-worshipping world! >> >> (no offense to decimal-counting English-speaking Windows-using >> God-worshipping world- I do half those things too :) >> >> >> ------------------------------------------------------------------------------ >> Keep Your Developer Skills Current with LearnDevNow! >> The most comprehensive online learning library for Microsoft developers >> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, >> Metro Style Apps, more. Free future releases when you subscribe now! >> http://p.sf.net/sfu/learndevnow-d2d >> _______________________________________________ >> Bitcoin-development mailing list >> Bitcoin-development@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/bitcoin-development >> > > > > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development > >