--- Log opened Mon Sep 13 00:00:06 2021
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05:30 < Guest42>  Hey guys. I've a naive question on Undoblocks. Is it fair to say there will be different versions of UTREEXO if different bridge nodes have a different view of the chaintip?
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11:56 < adiabat> If different nodes have different chaintips then yes, their accumulator roots will be different
11:57 < adiabat> I think that's what you mean by different versions of utreexo.  Their proofs and things won't be compatible
11:57 < adiabat> as proofs are with respect to a specific accumulator state, which is different for different blockhashes
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14:49 < Guest42> so ideally, would a bridge node maintain different state roots for all potential canonical chains or would it insert all txs in a single forest and delete/clean the state later (after k-deep blocks)?
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15:42 < adiabat> Simplest is to keep state roots for only the chaintip
15:43 < adiabat> if there's a reorg & it needs to walk back from a chaintip it applies the undo data, then goes forward
15:43 < adiabat> right now there's nothing keeping multiple branches in memory or anything like that
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--- Log closed Tue Sep 14 00:00:07 2021