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152020-07-15T15:24:50  <roconnor> BTW, where did we end up on the Bech32 address extension issue and segwit v1?
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192020-07-15T15:55:39  <harding> roconnor: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-December/017521.html
202020-07-15T15:56:06  <harding> ("Suggestions for next steps", near the bottom.)
212020-07-15T16:00:10  <roconnor> Okay so the plan would be to keep non-32 byte segwit v1 scriptpubkeys as anyone can spend, but restrict BIP173 addresses to be only legal for encoding 20 byte and 32 byte addresses?
222020-07-15T16:01:46  <roconnor> (rather restrict bc1 and tb1 prefixes to be only legal for encoding 20 byte and 32 byte scriptpubkeys (plus the extra bytes for the segwit version).
232020-07-15T16:02:06  <instagibbs> wallets in general already don't allow sending to such addresses, so I believe so
242020-07-15T16:02:40  <roconnor> ... even though the whole point was not to have such restrictions ...
252020-07-15T16:03:21  <instagibbs> It's easy to update, and I'm merely being descriptive :)
262020-07-15T16:03:21  <harding> roconnor: right, bc1 is now only for 20 or 32 byte witness programs.
272020-07-15T16:04:22  <roconnor> "now" as in that is how Bitcoin Core works?  Because I believe the BIP hasn't been updated.
282020-07-15T16:04:35  <harding> instagibbs: a fair number of wallets do support sending to bc1 addresses that don't start with bc1q.
292020-07-15T16:04:53  <instagibbs> harding, oh ok, retracted i guess
302020-07-15T16:04:55  <harding> roconnor: I don't believe either the BIP or Bitcoin Core has been updated per that email post.
312020-07-15T16:05:58  <roconnor> So we would replace the text "There MUST be between 2 and 40 groups" in Decoding with "There MUST be 20 or 32 groups"
322020-07-15T16:06:18  <roconnor> plus any of the surrounding text that needs to be made consistant with that?
332020-07-15T16:06:21  <harding> Last time I tested it (before that email), the wallet could send to any previously-valid bc1 address and txes with such scriptPubKeys would be accepted into node mempools and mined.  Transactions trying to spend those UTXOs would not be accepted into the mempool or mined (obviously only as policy).
342020-07-15T16:06:51  * harding looks at bip text
352020-07-15T16:07:09  <roconnor> https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki#Segwit_address_format
362020-07-15T16:07:09  <instagibbs> previously Core didn't even relay those transactions, which led to stuck tx
372020-07-15T16:07:11  <instagibbs> :)
382020-07-15T16:07:34  <harding> roconnor: yes, that seems like the right change to make.
392020-07-15T16:07:48  <harding> instagibbs: indeed, I think I was the first one to complain about that old behavior.  :-)
402020-07-15T16:08:12  <harding> And so we got it changed just in time for the problem to be reported.  sigh
412020-07-15T16:08:25  <instagibbs> what a jerk
422020-07-15T16:08:32  * harding hangs head in shame
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