From: "Russell O'Connor" <roconnor@blockstream.com>
To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Thoughts on fee bumping
Date: Tue, 15 Feb 2022 15:24:29 -0500 [thread overview]
Message-ID: <CAMZUoKnhyzJ=6W-=hxpmCyjiPyYMuS=eKjLN+bu5cuLRQ42nxA@mail.gmail.com> (raw)
In-Reply-To: <CAGpPWDaZ=Qx_phzjFJXzQc0ePWfuJmGKsPrsvj9X1pBTBrRgWA@mail.gmail.com>
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> >> 2. (from Suhas) "once a valid transaction is created, it should not
> become invalid later on unless the inputs are double-spent."
> > This doesn't seem like a huge concern to me
>
> I agree that this shouldn't be a concern. In fact, I've asked numerous
> people in numerous places what practical downside there is to transactions
> that become invalid, and I've heard basically radio silence other than one
> off hand remark by satoshi at the dawn of time which didn't seem to me to
> have good reasoning. I haven't seen any downside whatsoever of transactions
> that can become invalid for anyone waiting the standard 6 confirmations -
> the reorg risks only exists for people not waiting for standard
> finalization. So I don't think we should consider that aspect of a
> sponsorship transaction that can only be mined with the transaction it
> sponsors to be a problem unless a specific practical problem case can be
> identified. Even if a significant such case was identified, an easy
> solution would be to simply allow sponsorship transactions to be mined on
> or after the sponsored transaction is mined.
>
The downside is that in a 6 block reorg any transaction that is moved past
its expiration date becomes invalid and all its descendants become invalid
too.
The current consensus threshold for transactions to become invalid is a 100
block reorg, and I see no reason to change this threshold. I promise to
personally build a wallet that always creates transactions on the verge of
becoming invalid should anyone ever implement a feature that violates this
tx validity principle.
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next prev parent reply other threads:[~2022-02-15 20:24 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-10 19:40 [bitcoin-dev] Thoughts on fee bumping James O'Beirne
2022-02-10 23:09 ` Greg Sanders
2022-02-10 23:44 ` darosior
2022-02-10 23:51 ` James O'Beirne
2022-02-11 6:51 ` darosior
2022-02-12 19:44 ` Billy Tetrud
2022-02-11 0:12 ` Matt Corallo
2022-02-14 19:51 ` James O'Beirne
2022-02-17 14:32 ` Anthony Towns
2022-02-17 18:18 ` James O'Beirne
2022-02-18 9:01 ` darosior
2022-02-18 0:35 ` Antoine Riard
2022-02-11 5:26 ` Antoine Riard
2022-02-14 20:28 ` James O'Beirne
2022-02-15 0:43 ` Antoine Riard
2022-02-15 17:09 ` Billy Tetrud
2022-02-15 20:24 ` Russell O'Connor [this message]
2022-02-15 20:53 ` James O'Beirne
2022-02-15 21:37 ` Jeremy Rubin
2022-02-18 21:09 ` [bitcoin-dev] Sponsor transaction engineering, was " David A. Harding
2022-02-15 21:38 ` [bitcoin-dev] " Jeremy Rubin
2022-02-16 2:54 ` Billy Tetrud
2022-02-16 19:18 ` James O'Beirne
2022-02-16 20:36 ` Billy Tetrud
2022-02-18 0:54 Prayank
2022-02-18 2:08 Prayank
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