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| author | Gavin Andresen <gavinandresen@gmail.com> | 2011-08-08 11:16:40 -0700 |
|---|---|---|
| committer | Gavin Andresen <gavinandresen@gmail.com> | 2011-08-08 11:16:40 -0700 |
| commit | 4e5d88ce26b7829856e206107fd82e99d58b4211 (patch) | |
| tree | a2e5e4711d97a4c8ac83834089a98e4b1bca3f42 /src | |
| parent | bd1e54bc0b7f1bdfc571edf1f4f1ecf422260b8c (diff) | |
| parent | 33208fb5575d76a19163e830617eaaf32dbacda8 (diff) | |
| download | bitcoin-4e5d88ce26b7829856e206107fd82e99d58b4211.tar.xz | |
Merge pull request #443 from TheBlueMatt/dupin
Check for duplicate txins in CheckTransaction.
Diffstat (limited to 'src')
| -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) |