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From: Matt Whitlock <bip@mattwhitlock.name>
To: Jeff Garzik <jgarzik@gmail.com>
Cc: bitcoin-dev@lists.linuxfoundation.org
Subject: Re: [bitcoin-dev] Why not Child-Pays-For-Parent?
Date: Sun, 12 Jul 2015 06:18:47 -0400	[thread overview]
Message-ID: <4773632.c9JArRaIev@crushinator> (raw)
In-Reply-To: <CADm_Wcaed61oWMGu_FVCeRUWOS6jfFvGwNGEwh9GymfrqgtQKQ@mail.gmail.com>

I keep seeing (on /r/bitcoin) mentions of a 24-hour or 48-hour (varying accounts) interval at which miners clear their mempools. Is this a matter of local policy or something Bitcoin Core does by design?


On Saturday, 11 July 2015, at 5:29 pm, Jeff Garzik wrote:
> It sounds like you are seeking transaction expiration from the mempool, not
> CPFP.
> 
> On Sat, Jul 11, 2015 at 4:30 PM, Dan Bryant <dkbryant@gmail.com> wrote:
> 
> > I think a compromise will be somewhere in the middle.  I think most people
> > would be OK with TXs that don't have enough fees for P2P transfer to stay
> > in deadmans land.  Most people are stuck in a situation where they payed
> > enough to get it into (and keep it in) the pool, but not enough to get it
> > out.
> >
> > If we could get CPFP that only worked on TXs that met the minimum
> > threshold for peer propagation, then I think we would be in much better
> > position to battle this spam flood.
> >
> > On Sat, Jul 11, 2015 at 3:28 PM, Micha Bailey <michabailey@gmail.com>
> > wrote:
> >
> >> Right. The issue (AIUI) is that, right now, even though transactions are
> >> evaluated for inclusion as a group with CPFP, they're not yet evaluated for
> >> relaying as a unit, nor can they be, because the current p2p protocol
> >> doesn't have a way to send multiple transactions in a single protocol
> >> message to signify that they should be evaluated together.



  reply	other threads:[~2015-07-12 10:18 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-10 16:09 [bitcoin-dev] Why not Child-Pays-For-Parent? Richard Moore
2015-07-10 16:13 ` Jeff Garzik
2015-07-10 16:25   ` Richard Moore
2015-07-10 16:26     ` Dan Bryant
2015-07-10 16:28 ` Tier Nolan
2015-07-10 16:31   ` Jeff Garzik
2015-07-10 17:02     ` Justus Ranvier
2015-07-10 17:16       ` Dan Bryant
2015-07-10 17:51       ` Alex Morcos
2015-07-10 19:39         ` Tier Nolan
2015-07-10 21:10           ` Luke Dashjr
2015-07-11 20:28             ` Micha Bailey
2015-07-11 21:30               ` Dan Bryant
2015-07-11 22:29                 ` Jeff Garzik
2015-07-12 10:18                   ` Matt Whitlock [this message]
2015-07-11 23:19                 ` Tier Nolan
2015-07-10 17:28     ` Tier Nolan

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