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-rw-r--r--src/consensus/consensus.h6
-rw-r--r--src/main.cpp40
-rw-r--r--src/main.h4
-rw-r--r--src/miner.cpp8
-rw-r--r--src/policy/policy.h3
5 files changed, 7 insertions, 54 deletions
diff --git a/src/consensus/consensus.h b/src/consensus/consensus.h
index 6d6ce7e099..f937844e9f 100644
--- a/src/consensus/consensus.h
+++ b/src/consensus/consensus.h
@@ -13,10 +13,4 @@ static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
/** Coinbase transaction outputs can only be spent after this number of new blocks (network rule) */
static const int COINBASE_MATURITY = 100;
-/** Flags for LockTime() */
-enum {
- /* Use GetMedianTimePast() instead of nTime for end point timestamp. */
- LOCKTIME_MEDIAN_TIME_PAST = (1 << 1),
-};
-
#endif // BITCOIN_CONSENSUS_CONSENSUS_H
diff --git a/src/main.cpp b/src/main.cpp
index e038fe3663..26a22ae6fd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -650,35 +650,10 @@ bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
return true;
}
-bool CheckFinalTx(const CTransaction &tx, int flags)
+bool CheckFinalTx(const CTransaction &tx)
{
AssertLockHeld(cs_main);
-
- // By convention a negative value for flags indicates that the
- // current network-enforced consensus rules should be used. In
- // a future soft-fork scenario that would mean checking which
- // rules would be enforced for the next block and setting the
- // appropriate flags. At the present time no soft-forks are
- // scheduled, so no flags are set.
- flags = std::max(flags, 0);
-
- // CheckFinalTx() uses chainActive.Height()+1 to evaluate
- // nLockTime because 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().
- const int nBlockHeight = chainActive.Height() + 1;
-
- // 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.
- // However this changes once median past time-locks are enforced:
- const int64_t nBlockTime = (flags & LOCKTIME_MEDIAN_TIME_PAST)
- ? chainActive.Tip()->GetMedianTimePast()
- : GetAdjustedTime();
-
- return IsFinalTx(tx, nBlockHeight, nBlockTime);
+ return IsFinalTx(tx, chainActive.Height() + 1, GetAdjustedTime());
}
unsigned int GetLegacySigOpCount(const CTransaction& tx)
@@ -822,7 +797,7 @@ 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.
- if (!CheckFinalTx(tx, STANDARD_LOCKTIME_VERIFY_FLAGS))
+ if (!CheckFinalTx(tx))
return state.DoS(0, false, REJECT_NONSTANDARD, "non-final");
// is it already in the memory pool?
@@ -2748,15 +2723,10 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIn
const Consensus::Params& consensusParams = Params().GetConsensus();
// Check that all transactions are finalized
- BOOST_FOREACH(const CTransaction& tx, block.vtx) {
- int nLockTimeFlags = 0;
- int64_t nLockTimeCutoff = (nLockTimeFlags & LOCKTIME_MEDIAN_TIME_PAST)
- ? pindexPrev->GetMedianTimePast()
- : block.GetBlockTime();
- if (!IsFinalTx(tx, nHeight, nLockTimeCutoff)) {
+ BOOST_FOREACH(const CTransaction& tx, block.vtx)
+ if (!IsFinalTx(tx, nHeight, block.GetBlockTime())) {
return state.DoS(10, error("%s: contains a non-final transaction", __func__), REJECT_INVALID, "bad-txns-nonfinal");
}
- }
// Enforce block.nVersion=2 rule that the coinbase starts with serialized block height
// if 750 of the last 1,000 blocks are version 2 or greater (51/100 if testnet):
diff --git a/src/main.h b/src/main.h
index 65732d770f..202d2c772b 100644
--- a/src/main.h
+++ b/src/main.h
@@ -308,10 +308,8 @@ bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime);
* Check if transaction will be final in the next block to be created.
*
* Calls IsFinalTx() with current block height and appropriate block time.
- *
- * See consensus/consensus.h for flag definitions.
*/
-bool CheckFinalTx(const CTransaction &tx, int flags = -1);
+bool CheckFinalTx(const CTransaction &tx);
/**
* Closure representing one script verification
diff --git a/src/miner.cpp b/src/miner.cpp
index 053d9cdbc4..42c8bb970b 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -148,7 +148,6 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
CBlockIndex* pindexPrev = chainActive.Tip();
const int nHeight = pindexPrev->nHeight + 1;
pblock->nTime = GetAdjustedTime();
- const int64_t nMedianTimePast = pindexPrev->GetMedianTimePast();
CCoinsViewCache view(pcoinsTip);
// Priority order to process transactions
@@ -163,12 +162,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
mi != mempool.mapTx.end(); ++mi)
{
const CTransaction& tx = mi->GetTx();
-
- int64_t nLockTimeCutoff = (STANDARD_LOCKTIME_VERIFY_FLAGS & LOCKTIME_MEDIAN_TIME_PAST)
- ? nMedianTimePast
- : pblock->GetBlockTime();
-
- if (tx.IsCoinBase() || !IsFinalTx(tx, nHeight, nLockTimeCutoff))
+ if (tx.IsCoinBase() || !IsFinalTx(tx, nHeight, pblock->nTime))
continue;
COrphan* porphan = NULL;
diff --git a/src/policy/policy.h b/src/policy/policy.h
index fdc54a70a1..747c5ce8ce 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -43,9 +43,6 @@ static const unsigned int STANDARD_SCRIPT_VERIFY_FLAGS = MANDATORY_SCRIPT_VERIFY
/** For convenience, standard but not mandatory verify flags. */
static const unsigned int STANDARD_NOT_MANDATORY_VERIFY_FLAGS = STANDARD_SCRIPT_VERIFY_FLAGS & ~MANDATORY_SCRIPT_VERIFY_FLAGS;
-/** Used as the flags parameter to CheckFinalTx() in non-consensus code */
-static const unsigned int STANDARD_LOCKTIME_VERIFY_FLAGS = 0;
-
bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType);
/**
* Check for standard transaction types