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 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 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. >> >> >> >> ------------------------------------------------------------------------------ >> Infragistics Professional >> Build stunning WinForms apps today! >> Reboot your WinForms applications with our WinForms controls. >> Build a bridge from your legacy apps to the future. >> >> http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk >> _______________________________________________ >> Bitcoin-development mailing list >> Bitcoin-development@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/bitcoin-development >> > > > > -- > Jeff Garzik > Bitcoin core developer and open source evangelist > BitPay, Inc. https://bitpay.com/ > > > ------------------------------------------------------------------------------ > Infragistics Professional > Build stunning WinForms apps today! > Reboot your WinForms applications with our WinForms controls. > Build a bridge from your legacy apps to the future. > > http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development > >