[bitcoin-dev] Let's deploy BIP65 CHECKLOCKTIMEVERIFY!

Adam Back adam at cypherspace.org
Wed Sep 30 17:14:08 UTC 2015


I was talking about the versionBits from Rusty's email (pasted below) and
simplifying that by XT adopting the patch as Gavin had seemed agreeable to.

Adam

Rusty wrote:
> Agreed.  Unfortunately, a simple "block version >= 4" check is
> insufficient, due to XT which sets version bits 001....111.
>
> Given that, I suggest using the simple test:
>
>         if (pstart->nVersion & 0x8)
>             ++nFound;
>
> Which means:
> 1) XT won't trigger it.
> 2) It won't trigger XT.
> 3) You can simply set block nVersion to 8 for now.
> 4) We can still use versionbits in parallel later.
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