Custom fields in options_map?

[James Edington Administrator]

I'm trying to make a plugin to enable temporal settlement, where different legs of a transaction occur at different dates (to cover the major use-cases of “money is in clearing, you lost time value”, “merchants billed you very late, you gained time value”, etc.)

It's going very well so far, except that I can't figure out how to cause my plugin to ingest custom values for options_map; Beancount always complains that my custom option is an “invalid option”. Does anyone know how to declare those?

https://gist.github.com/98dedad9d856402f7688c47288e53eba/c40c7f4efd0b740012e12134e7bdf17cf95c29f9#file-temporal_settlement-py-L123

[Timothy Jesionowski]

How are you quantifying time value? I can understand using a hypothetically inviolable unit of account like gold or CPI, but you're talking about accounting with an explicit discounting rate attached to things.

Of course that's assuming you're trying to account for opportunity cost. If you're "merely" trying to get a more natural way to represent value-in-transit than the usual pairs of transactions on virtual Payables/Receivables accounts then I wonder what benefit you're expecting beyond what you get from links.

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[Timothy Jesionowski]

A bit more to the point, I can understand wanting to have VUSD (Virtual USD) income expenses just to express an opinion. Is that vaguely what you're trying to do?

[Martin Blais]

Some old related documentation you might find useful

https://docs.google.com/document/d/1x0qqWGRHi02ef-FtUW172SHkdJ8quOZD-Xli7r4Nl_k/

To view this discussion visit https://groups.google.com/d/msgid/beancount/CAOVsoWSjDYB0j8He-4t_thAzP%2Bd6wYhp7PWKA%2BffN1ajoqve8g%40mail.gmail.com.

[Red S]

The effective_date plugin does what you want, I believe. If not, you can find code relating to options_map in that repo.

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