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From: Rusty Russell <rusty@rustcorp.com.au>
To: Mark Friedenbach <mark@friedenbach.org>
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Cc: bitcoin-dev@lists.linuxfoundation.org
Subject: [bitcoin-dev] BIP 68 Questions
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Hi Mark,
It looks like the code in BIP 68 compares the input's nSequence
against the transaction's nLockTime:
if ((int64_t)tx.nLockTime < LOCKTIME_THRESHOLD)
nMinHeight = std::max(nMinHeight, (int)tx.nLockTime);
else
nMinTime = std::max(nMinTime, (int64_t)tx.nLockTime);
if (nMinHeight >= nBlockHeight)
return nMinHeight;
if (nMinTime >= nBlockTime)
return nMinTime;
So if transaction B spends the output of transaction A:
1. If A is in the blockchain already, you don't need a relative
locktime since you know A's time.
2. If it isn't, you can't create B since you don't know what
value to set nLockTime to.
How was this supposed to work?
Thanks,
Rusty.
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