Lot transfers

Peter Dey gnucash at realmtech.net
Thu Feb 21 07:21:08 EST 2013

Just thought I'd followup on this -- I didn't receive any replies.

Any idea about the technical complexity involved in implementing this 


On Wed, Jan 23, 2013 at 10:52:03PM +1100, Peter Dey wrote:
> Hi all,
> I've got a bit over AU$100 credit leftover at a freelance developer site called 
> freelancer.com.
> I'd like to create a project on the site to fund the implementation of the lot 
> transfer functionality described here:
>     http://wiki.gnucash.org/wiki/Concept_of_Lots
> Since I know very little about GnuCash's internal architecture, I was hoping 
> someone here would be willing to help me write the specification to ensure it's 
> done in a way suitable to be merged into the mainline, for everyone to benefit 
> from it.
> As far as I can tell, it would involve:
> 1. Addition of a checkbox to the New/Edit account screens to mark an account as 
>    a "lot account"
> 2. A hook somewhere auto-create a new lot when there's a new entry.  Code    
>    could probably be borrowed from the scrubber?
> 3. (personal preference, not on the wiki) add a column to "lot accounts" to show 
>    the lot title against every split
> 4. Assume LIFO like the scrubber does -- add a hook to auto-assign (and close) 
>    lots on outgoing transactions.  Again,. probably could be borrowed from 
>    the lot scrubber.
> 5. The most complicated: alter the data structure to remove the tie between lots 
>    and accounts (i.e., guid only).  This will probably need changes in other 
>    places that make an assumption or have a dependency that lot guids lie in a 
>    single account.  I can only think of the lot scrubber at the moment?
> 6. Assuming it would go into a future release of GnuCash, presumably some logic 
>    to upgrade the data file/database schema
> Any and all help appreciated...
> Cheers,
> Peter

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