[Bitcoin-development] Fwd: Bitcoin Core trial balloon: splitting blockchain engine and wallet

James Hartig fastest963 at gmail.com
Mon Feb 24 22:16:12 UTC 2014


Setting aside all security benefits (which the user can obviously choose to
implement or ignore), a major benefit here is being able to have multiple
wallets use the same blockchain process. I have 3 different bitcoind
processes running on the same server to utilize multiple wallets. Using
them serially isn't an option in my case. Also, peers can run the cheaper
process instead of having the wallet functionality which isn't even used.

On the security front, this doesn't seem to be any less secure and it gives
the user the flexibility to make it as secure as they feel comfortable. If
they want to run them both as the same user with no SELinux or file
protections (this isn't stopping or encouraging that) they're already doing
that now with bitcoind, albeit with possibly a larger attack surface.

Thanks,
--
James Hartig
Software Engineer @ Grooveshark.com
http://twitter.com/jameshartig





On Sat, Feb 22, 2014 at 1:53 AM, Wladimir <laanwj at gmail.com> wrote:

>
> On Sat, Feb 22, 2014 at 2:09 AM, Dustin D. Trammell <
> dtrammell at dustintrammell.com> wrote:
>
>> On Fri, 2014-02-21 at 07:43 +0100, Wladimir wrote:
>> > The most straightforward way would be to run the blockchain daemon as
>> > a system service (with its own uid/gid and set of Apparmor/SELinux
>> > restrictions) and the wallet daemon as the user.
>>
>> This assumes you as a user have the rights to do so.  This would be
>> preferred, but in some cases may not be possible.  Perhaps it should be
>> optional?
>>
>
> No! I'm proposing that we force everyone to do it. Using all means
> necessary. There should be regular audits that everyone is running the
> software exactly in my configuration, and if not, a special task force will
> take care that spankings are carried out on the spot.
>
> Repeated offenders will lose their BitLicense.
> </s>
>
> Please stop kicking this dead horse. It was just a random idea. Maybe a
> way how Linux distributions could structure it, but it may or may not apply
> in your case. And that's fine, this is free software development, you can
> do whatever you want!
>
> Let's try to bring this discussion back to its original intention: for
> anyone that wants to concretely help this along, please help reviewing and
> testing the pull requests that jgarzik mentions.
>
> Wladimir
> BTW: All of those patches are helpful for monolithic-bitcoind as well as
> they (lay the groundwork for) speeding up block synchronization.
>
>
>
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