On Sun, Jul 4, 2021 at 9:02 PM Russell O'Connor <rocon...@blockstream.com> wrote:
> Bear in mind that when people are talking about enabling covenants, we are > talking about whether OP_CAT should be allowed or not. > > That said, recursive covenants, the type that are most worrying, seems to > require some kind of OP_TWEAK operation, and I haven't yet seen any > evidence that this can be simulated with CHECKSIG(FROMSTACK). So maybe we > should leave such worries for the OP_TWEAK operation. > Upon further thought, you can probably make recursive covenants even with a fixed scritpubkey by sneaking the state into a few bits of the UTXO's amount. Or if you try really hard, you may be able to stash your state into a sibling output that is accessed via the txid embedded in the prevoutpoint.
_______________________________________________ bitcoin-dev mailing list bitcoin-dev@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
