[messaging] Partial order group chat with partial history visibility
burdges at gnunet.org
Wed May 25 05:57:58 PDT 2016
On Wed, 2016-05-25 at 14:26 +0200, Ximin Luo wrote:
> Every message-event v embeds references to its predecessors, similar
> to how every message-event v embeds U[v].
> When reading a message-event v, if a particular user u cannot
> read/decrypt one of its predecessors p, they just ignore the edge (p
> <- v), and don't treat it as part of G_u. There's details to be worked
> out for security implications, but they can be worked out and it's not
> relevant to the model.
Ok. The set of predecessors determines the node. And nodes originate
from a specific user, so that's well defined. It's okay of course if I
receive a new node with predecessors that I've never seen.
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