[GNC] Trading accounts functionality

[zuperkoleoptera at gmail.com]

On Fri, 2021-04-02 at 11:58 -0700, John Ralls wrote:
> 
> 
> > On Apr 2, 2021, at 9:42 AM, zuperkoleoptera at gmail.com wrote:
> > 
> > On Fri, 2021-04-02 at 08:47 -0700, John Ralls wrote:
> > > 
> > > 
> > > > On Apr 2, 2021, at 8:37 AM, John Ralls <jralls at ceridwen.us>
> > > > wrote:
> > > > 
> > > > On Apr 2, 2021, at 4:05 AM, zuperkoleoptera at gmail.com wrote:
> > > > > 
> > > > > which by the way it
> > > > > does not use the default security fraction which is
> > > > > 1/00000000
> > > > > but
> > > > > 1/0000.   
> > > > 
> > > > The price is in Euro, so it displays as 1/100 of the Euro's
> > > > fraction. That's for display only, the actual calculated price
> > > > is
> > > > as exact a fraction as can be represented with two 64-bit
> > > > integers.
> > > 
> > > Sorry, you meant that the BTC amount in the trading split is
> > > rounded
> > > to 1/1000. Maybe there's a 1/1000000 clamp left somewhere in the
> > > balancing logic?
> > > 
> > > Regards,
> > > John Ralls
> > > 
> > Yes you are right, the account created by the trading subsystem,
> > Trading:Crypto Currency:BTC-EUR, is in BTC which is a security in
> > the
> > system not in eur which is a currency. 
> > Although I have switched to use "commodity value" in the "smallest
> > fraction" switch it still uses 1/0000 instead the 1/00000000. 
> > But this is somehow minor issue as I assume it does not affect the
> > actual value of the account, it's just visual.   
> 
> No, it's pretty clearly keeping the transaction from balancing
> because .0012 != .00115652.
> 
> As for the trading splits miraculously appearing, did that happen to
> all cross-commodity transactions in your book or just ones that you
> touched?
> 
> Regards,
> John Ralls
> 
> 
To all cross-commodity transactions, I haven't touched - balanced any
transaction yet.
I turned on trading accounts just a few days a go and still trying to
evaluate my situation, whether I will keep the feature on or not.