Can you construct an example? Are there use cases where there is a need for
an enforced lock time in a transaction with inputs that are not confirmed
at the time the lock time expires?
On Jul 5, 2015 8:00 AM, "Tom Harding" <tomh@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).
>
>
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