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Date: Fri, 15 Nov 2024 15:33:32 +0000
To: Murch <murch@murch.one>
From: "'Antoine Poinsot' via Bitcoin Development Mailing List" <bitcoindev@googlegroups.com>
Cc: bitcoindev@googlegroups.com
Subject: Re: [bitcoindev] CHECKSIGFROMSTACK(VERIFY/ADD)
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To add to Murch's point, from my experience working with Script in general =
and
trying to estimate the cost of validation of legacy script as part of the
consensus cleanup in particular, i think we should refrain from modifying l=
egacy
Script and further complicate reasoning about the worst case unless strictl=
y
necessary.
Best,
Antoine
On Friday, November 15th, 2024 at 9:57 AM, Murch <murch@murch.one> wrote:
> Hi everyone,
>=20
> On 2024-11-14 17:02, Brandon Black wrote:
>=20
> > * Should CHECKSIGFROMSTACKVERIFY (CSFSV) be added to pre-tapscript
> > [=E2=80=A6]
> > My personal thinking in initially including CSFSV in earlier script ver=
sions was basically that it's compatible with NOP forking, so why not.
>=20
>=20
> If there is no compelling use case or concrete benefit, I don=E2=80=99t t=
hink "it=E2=80=99s compatible, why not" is convincing motivation, especiall=
y at the cost of a NOP.
>=20
> On 2024-11-14 17:02, Brandon Black wrote:
>=20
> > * Should we include CHECKSIGFROMSTACKADD?
>=20
>=20
> I feel similar about this. If there is currently no demand for this, and =
future demand also seems unlikely, I would prefer a smaller, more focused s=
et of changes.
>=20
> Cheers,
> Murch
>=20
> --
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v/c91269ac-e579-4089-bf9a-fdc076e34727%40murch.one.
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