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Date: Tue, 26 Apr 2022 15:42:14 +1000
From: Anthony Towns <aj@erisian.com.au>
To: Keagan McClelland <keagan.mcclelland@gmail.com>,
 Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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Subject: Re: [bitcoin-dev] Speedy Trial
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On Mon, Apr 25, 2022 at 11:26:09AM -0600, Keagan McClelland via bitcoin-dev wrote:
> > Semi-mandatory in that only "threshold" blocks must signal, so if
>     only 4% or 9% of miners aren't signalling and the threshold is set
>     at 95% or 90%, no blocks will be orphaned.
> How do nodes decide on which blocks are orphaned if only some of them have
> to signal, and others don't? Is it just any block that would cause the
> whole threshold period to fail?

Yes, exactly those. See [0] or [1].

[0] https://github.com/bitcoin/bips/blob/master/bip-0008.mediawiki#Mandatory_signalling

[1] https://github.com/bitcoin/bips/pull/1021
    (err, you apparently acked that PR)

Cheers,
aj