Re: [bitcoin-dev] BIP OP_CHECKTEMPLATEVERIFY

2019-11-27 Thread Russell O'Connor via bitcoin-dev
Thanks for this work Jeremy. I know we've discussed this before, but I'll restate my concerns with adding a new "global" state variable to the Script interpreter for tracking whether the previous opcode was a push-data operation or not. While it isn't so hard to implement this in Bitcoin Core's S

[bitcoin-dev] Signing CHECKSIG position in Tapscript

2019-11-27 Thread Russell O'Connor via bitcoin-dev
Hi all, I'd like to revisit an old topic from last year about the data signed in tapscript signatures < https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-November/016508.html >. The current tapscript proposal requires a signature on the last executed CODESEPRATOR position. I'd like to