Luke's proposed changes to BIP8 (specifically, the FAILING state) seem designed
to address the regression compared to BIP9 that there is no way to avoid
activating a softfork that is shown to be suboptimal or flawed in some (serious
enough) way - after deployment is well underway - without hardforking.
I agree with your principle but we should also look at the circumstances in
which this mechanism would be beneficial vs. when it would cause harm (compared
to BIP8 without this mechanism). The scenario this was designed for is "miners
refusing to activate, on non-technical grounds, a widely desired upgrade" - in
which case the "wakeup call" would be in users' hands, not anyone in particular.
Is there a hypothetical scenario in which the orphan risk outweighs the
benefits of having this kind of upgrade mechanism that can (at deploy-time) be
chosen to be optional by default with a deferred mechanism to make it
mandatory? If so, is there any thought on how to realize the latter without the
former?
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> -------- Original Message --------
> Subject: Re: [bitcoin-dev] Height based vs block time based thresholds
> Local Time: July 5, 2017 8:06 AM
> UTC Time: July 5, 2017 8:06 AM
> From: bitcoin-dev@lists.linuxfoundation.org
> To: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
> On Wed, Jul 5, 2017 at 3:50 AM, Luke Dashjr via bitcoin-dev
> <bitcoin-dev@lists.linuxfoundation.org> wrote:
>> I"ve already opened a PR almost 2 weeks ago to do this and fix the other
>> issues BIP 9 has. https://github.com/bitcoin/bips/pull/550
>>
>> It just needs your ACK to merge.
> These proposals for gratuitous orphaning are reckless and coersive.
> We have a professional obligation to first do no harm, and amplifying
> orphaning which can otherwise easily be avoided violates it.
> It is not anyones position to decide who does and doesn"t need to be
> "woken up" with avoidable finical harm, nor is it any of our right to
> do so at the risk of monetary losses by any and all users users from
> the resulting network instability.
> It"s one thing to argue that some disruption is strictly needed for
> the sake of advancement, it"s another to see yourself fit as judge,
> jury, and executioner to any that does not jump at your command.
> (which is exactly the tone I and at least some others extract from
> your advocacy of these changes and similar activity around BIP148).
> I for one oppose those changes strongly.
>> Not having a mandatory signal turned out to be a serious bug in BIP 9,
> I have seen no evidence or case for this.
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