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fix(pubsub): remove "Implementation note" about setting message_id_fn (#557)

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2023-07-15 22:51:59 -04:00
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@@ -198,15 +198,6 @@ on the [signature policy](#signature-policy) configured for the topic.**
Whichever the choice, it is crucial that **all peers** participating in a topic
implement identical message ID calculation logic, or the topic will malfunction.
> **[[ Implementation note ]]:** At the time of writing this section,
> go-libp2p-pubsub (reference implementation of this spec) only allows
> configuring a single top-level `message_id_fn`. This function may, however,
> vary its behaviour based on the topic (contained inside its `Message`)
> argument. Thus, it's feasible to implement a per-topic policy using branch
> selection control flow logic. In the near future, go-libp2p-pubsub plans to
> push down the configuration of the `message_id_fn` to the topic level. Other
> implementations are encouraged to do the same.
## Message Signing
Signature behavior is configured in two axes: signature creation, and signature