diff options
| author | Matt Corallo <matt@bluematt.me> | 2011-07-30 23:01:45 +0200 |
|---|---|---|
| committer | Matt Corallo <matt@bluematt.me> | 2011-07-31 14:20:10 +0200 |
| commit | 33208fb5575d76a19163e830617eaaf32dbacda8 (patch) | |
| tree | 0454499fa257f2e44518285897f07b183e370543 /src/main.cpp | |
| parent | e1f13129e89f46df631f9523eea4c0e0448c9b7b (diff) | |
Check for duplicate txins in CheckTransaction.
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp index b57974f577..dccc1727f0 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -314,6 +314,15 @@ bool CTransaction::CheckTransaction() const return error("CTransaction::CheckTransaction() : txout total out of range"); } + // Check for duplicate inputs + set<COutPoint> vInOutPoints; + BOOST_FOREACH(const CTxIn& txin, vin) + { + if (vInOutPoints.count(txin.prevout)) + return false; + vInOutPoints.insert(txin.prevout); + } + if (IsCoinBase()) { if (vin[0].scriptSig.size() < 2 || vin[0].scriptSig.size() > 100) |