📅 Original date posted:2021-08-26
📝 Original message:This has actually never been true (Sapio assumes extensions).

If the extensions are not present, you can stub them out with a signing
federation instead, configurable as flags, and you can also write many
contracts that do not use the ctv based components at all.

The protocol for emulation is a bit clever (if I do say so myself) since it
ensures that contract compilation is completely offline and the oracles are
completely stateless.

Relevant links:
Cheers,

Jeremy

On Tue, Aug 24, 2021, 6:19 AM Andrew Poelstra via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:

>
> Simplicity does not compile to Bitcoin Script, and Sapio assumes extensions
> to Bitcoin Script that are not currently part of the consensus code.
>
>
> On Tue, Aug 24, 2021 at 03:36:29PM +0800, Gijs van Dam via bitcoin-dev
> wrote:
> > Hi,
> >
> >
> > Bitcoin does not have a virtual machine. But you do have [Miniscript][1],
> > [Min.sc][2], [Simplicity][3] and [Sapio][4]. These are all higher level
> > languages that compile to Bitcoin Script. Sapio is "just" Rust, so that
> > might fit your setting best.
> >
> > By the way, this question also has an answer on [Bitcoin
> Stackexchange][5]
> > which is a great resource for questions like this.
> >
> > [1]: > > [2]: > > [3]: > > [4]: > > [5]:
> >
> > >
> > On Tue, Aug 24, 2021 at 2:55 PM Null Null via bitcoin-dev <
> > bitcoin-dev at lists.linuxfoundation.org> wrote:
> >
> > > Hi all,
> > >
> > > Is there a tool like Ethereum EVM at present? Users can write bitcoin
> > > scripts in a syntax just like python(or like other programming
> language);
> > > through this tool, they can be translated into bitcoin original
> scripts; it
> > > sounds like a new programming language has been invented.
> > >
> > > In my opinion， Bitcoin script programming is based on reverse Polish
> > > expression; this is not friendly to programmers;
> > >
> > > In fact, Bitcoin's opcode expression ability is very rich, and it may
> be
> > > unfriendly, which has affected the promotion of Bitcoin in the
> technical
> > > community.
> > >
> > > Hope for hearing some voice about this.
> > >
> > > Best wish.
> > >
> > > _______________________________________________
> > > bitcoin-dev mailing list
> > > bitcoin-dev at > > > > > >
>
> > _______________________________________________
> > bitcoin-dev mailing list
> > bitcoin-dev at > > >
>
> --
> Andrew Poelstra
> Director of Research, Blockstream
> Email: apoelstra at > Web: >
> The sun is always shining in space
> -Justin Lewis-Webster
>
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev at > >
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