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-rw-r--r--src/main.cpp29
1 files changed, 8 insertions, 21 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 039092cd19..99f4d49438 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -671,14 +671,8 @@ bool IsStandardTx(const CTransaction& tx, string& reason)
bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
{
- AssertLockHeld(cs_main);
- // Time based nLockTime implemented in 0.1.6
if (tx.nLockTime == 0)
return true;
- if (nBlockHeight == 0)
- nBlockHeight = chainActive.Height();
- if (nBlockTime == 0)
- nBlockTime = GetAdjustedTime();
if ((int64_t)tx.nLockTime < ((int64_t)tx.nLockTime < LOCKTIME_THRESHOLD ? (int64_t)nBlockHeight : nBlockTime))
return true;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
@@ -687,6 +681,12 @@ bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
return true;
}
+bool CheckFinalTx(const CTransaction &tx)
+{
+ AssertLockHeld(cs_main);
+ return IsFinalTx(tx, chainActive.Height() + 1, GetAdjustedTime());
+}
+
/**
* Check transaction inputs to mitigate two
* potential denial-of-service attacks:
@@ -903,21 +903,8 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
// Only accept nLockTime-using transactions that can be mined in the next
// block; we don't want our mempool filled up with transactions that can't
// be mined yet.
- //
- // However, IsFinalTx() is confusing... Without arguments, it uses
- // chainActive.Height() to evaluate nLockTime; when a block is accepted,
- // chainActive.Height() is set to the value of nHeight in the block.
- // However, when IsFinalTx() is called within CBlock::AcceptBlock(), the
- // height of the block *being* evaluated is what is used. Thus if we want
- // to know if a transaction can be part of the *next* block, we need to
- // call IsFinalTx() with one more than chainActive.Height().
- //
- // Timestamps on the other hand don't get any special treatment, because we
- // can't know what timestamp the next block will have, and there aren't
- // timestamp applications where it matters.
- if (!IsFinalTx(tx, chainActive.Height() + 1))
- return state.DoS(0,
- error("AcceptToMemoryPool: non-final"),
+ if (!CheckFinalTx(tx))
+ return state.DoS(0, error("AcceptToMemoryPool: non-final"),
REJECT_NONSTANDARD, "non-final");
// is it already in the memory pool?