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From: Rusty Russell <rusty@rustcorp.com.au>
To: jl2012@xbt.hk
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Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] [BIP-draft] CHECKSEQUENCEVERIFY - An opcode for
	relative locktime
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jl2012@xbt.hk writes:
> Rusty Russell =E6=96=BC 2015-08-26 23:08 =E5=AF=AB=E5=88=B0:
>> - We should immediately deploy an IsStandard() rule which insists that
>>   nSequence is 0xFFFFFFFF or 0, so nobody screws themselves when we
>>   soft fork and they had random junk in there.
>
> This is not needed because BIP68 is not active for version 1 tx. No=20
> existing wallet would be affected.

Ah thanks!  I missed the version bump in BIP68.

>> Aside: I'd also like to have nLockTime apply even if nSequence !=3D
>> 0xFFFFFFFF (another mistake I made).  So I'd like an IsStandard() rule
>> to say it nLockTime be 0 if an nSequence !=3D 0xFFFFFFFF.  Would that
>> screw anyone currently?
>
> Do you mean "have nLockTime apply even if nSequence =3D 0xFFFFFFFF"? This=
=20
> is a softfork. Should we do this together with BIP65, BIP68 and BIP112?

Yes, but Mark pointed out that it has uses, so I withdraw the
suggestion.

Thanks,
Rusty.