Subject: [bitcoindev] Great Consensus Cleanup Revival

From: "'Antoine Poinsot' via Bitcoin Development Mailing List" <[email-masked]>
Date: Sun, 24 Mar 2024 18:10:20 +0000

Hey all,

I've recently posted about the Great Consensus Cleanup there: https://delvingbitcoin.org/t/great-consensus-cleanup-revival/710.

I'm starting a thread on the mailing list as well to get comments and opinions from people who are not on Delving.

TL;DR:
- i think the worst block validation time is concerning. The mitigations proposed by Matt are effective, but i think we should also limit the maximum size of legacy transactions for an additional safety margin;
- i believe it's more important to fix the timewarp bug than people usually think;
- it would be nice to include a fix to make coinbase transactions unique once and for all, to avoid having to resort back to doing BIP30 validation after block 1,983,702;
- 64 bytes transactions should definitely be made invalid, but i don't think there is a strong case for making less than 64 bytes transactions invalid.

Anything in there that people disagree with conceptually?
Anything in there that people think shouldn't (or don't need to) be fixed?
Anything in there which can be improved (a simpler, or better fix)?
Anything NOT in there that people think should be fixed?

Antoine Poinsot

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