No, the nVersion would be >= 4, so that we don't waste any version values.
On Thu, Aug 20, 2015 at 10:32 AM, jl2012 via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > Peter Todd via bitcoin-dev 於 2015-08-19 01:50 寫到: > > >> >> 2) nVersion mask, with IsSuperMajority() >> >> In this option the nVersion bits set by XT/Not-Bitcoin-XT miners would >> be masked away, prior to applying standard IsSuperMajority() logic: >> >> block.nVersion & ~0x20000007 >> >> This means that CLTV/CSV/etc. miners running Bitcoin Core would create >> blocks with nVersion=8, 0b1000. From the perspective of the >> CLTV/CSV/etc. IsSuperMajority() test, XT/Not-Bitcoin-XT miners would be >> advertising blocks that do not trigger the soft-fork. >> >> For the perpose of soft-fork warnings, the highest known version can >> remain nVersion=8, which is triggered by both XT/Not-Bitcoin-XT blocks >> as well as a future nVersion bits implementation. Equally, >> XT/Not-Bitcoin-XT soft-fork warnings will be triggered, by having an >> unknown bit set. >> >> When nVersion bits is implemented by the Bitcoin protocol, the plan of >> setting the high bits to 0b001 still works. The three lowest bits will >> be unusable for some time, but will be eventually recoverable as >> XT/Not-Bitcoin-XT mining ceases. >> >> Equally, further IsSuperMajority() softforks can be accomplished with >> the same masking technique. >> >> This option does complicate the XT-coin protocol implementation in the >> future. But that's their problem, and anyway, the maintainers >> (Hearn/Andresen) has strenuously argued(5) against the use of soft-forks >> and/or appear to be in favor of a more centralized mandatory update >> schedule.(6) >> >> > If you are going to mask bits, would you consider to mask all bits except > the 4th bit? So other fork proposals may use other bits for voting > concurrently. > > And as I understand, the masking is applied only during the voting stage? > After the softfork is fully enforced with 95% support, the nVersion will be > simply >=8, without any masking? > > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev >
_______________________________________________ bitcoin-dev mailing list bitcoin-dev@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
