[bitcoin-dev] BIP 68 (Relative Locktime) bug
mark at friedenbach.org
Sun Jul 5 17:07:12 UTC 2015
Note that you can put 0 in the sequence number field and it would work just
as expected under the old rules. I will perhaps suggest instead that
Bitcoin Core post-0.11 switch to doing this instead for that case.
On Sun, Jul 5, 2015 at 8:00 AM, Tom Harding <tomh at thinlink.com> wrote:
> BIP 68 uses nSequence to specify relative locktime, but nSequence also
> continues to condition the transaction-level locktime.
> This dual effect will prevent a transaction from having an effective
> nLocktime without also requiring at least one of its inputs to be mined
> at least one block (or one second) ahead of its parent.
> The fix is to shift the semantics so that nSequence = MAX_INT - 1
> specifies 0 relative locktime, rather than 1. This change will also
> preserve the semantics of transactions that have already been created
> with the specific nSequence value MAX_INT - 1 (for example all
> transactions created by the bitcoin core wallet starting in 0.11).
> bitcoin-dev mailing list
> bitcoin-dev at lists.linuxfoundation.org
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