We could however introduce a new field in a new tx version. We know we need
to rev the format at some point anyway.
On Wed, Aug 6, 2014 at 2:55 PM, Jeff Garzik <jgar...@bitpay.com> wrote:
> ...and existing users and uses of nLockTime suddenly become worthless,
> breaking payment channel refunds and other active uses of nLockTime.
>
> You cannot assume the user is around to rewrite their nLockTime, if it
> fails to be confirmed before some arbitrary deadline being set.
>
>
>
> On Wed, Aug 6, 2014 at 12:01 AM, Tom Harding <t...@thinlink.com> wrote:
>
>> On 8/5/2014 12:10 PM, Kaz Wesley wrote:
>> > Any approach based on beginning a transaction expiry countdown when a
>> > transaction is received (as in mempool janitor) seems unviable to me:
>> > once a node has forgotten a transaction, it must be susceptible to
>> > reaccepting it;
>>
>> It's hard to argue with that logic.
>>
>> If nLockTime is used for expiration, transaction creator can't lie to
>> help tx live longer without pushing initial confirmation eligibility
>> into the future. Very pretty. It would also enable "fill or kill"
>> transactions with a backdated nLockTime, which must be confirmed in a
>> few blocks, or start vanishing from mempools.
>>
>>
>>
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>
>
>
> --
> Jeff Garzik
> Bitcoin core developer and open source evangelist
> BitPay, Inc. https://bitpay.com/
>
>
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