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Check all prevout.n if one transaction provides multiple inputs

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This commit is contained in:
Gavin Andresen 2011-12-25 10:32:05 -05:00
parent 60835d9627
commit 61977f956c
1 changed files with 9 additions and 1 deletions
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10
src/main.cpp
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@ -945,10 +945,18 @@ bool CTransaction::FetchInputs(CTxDB& txdb, const map<uint256, CTxIndex>& mapTes
if (!txPrev.ReadFromDisk(txindex.pos)) if (!txPrev.ReadFromDisk(txindex.pos))
return error("FetchInputs() : %s ReadFromDisk prev tx %s failed", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str()); return error("FetchInputs() : %s ReadFromDisk prev tx %s failed", GetHash().ToString().substr(0,10).c_str(), prevout.hash.ToString().substr(0,10).c_str());
} }
}
// Make sure all prevout.n's are valid:
for (int i = 0; i < vin.size(); i++)
{
const COutPoint prevout = vin[i].prevout;
const CTxIndex& txindex = inputsRet[prevout.hash].first;
const CTransaction& txPrev = inputsRet[prevout.hash].second;
if (prevout.n >= txPrev.vout.size() || prevout.n >= txindex.vSpent.size()) if (prevout.n >= txPrev.vout.size() || prevout.n >= txindex.vSpent.size())
return DoS(100, error("FetchInputs() : %s prevout.n out of range %d %d %d prev tx %s\n%s", GetHash().ToString().substr(0,10).c_str(), prevout.n, txPrev.vout.size(), txindex.vSpent.size(), prevout.hash.ToString().substr(0,10).c_str(), txPrev.ToString().c_str())); return DoS(100, error("FetchInputs() : %s prevout.n out of range %d %d %d prev tx %s\n%s", GetHash().ToString().substr(0,10).c_str(), prevout.n, txPrev.vout.size(), txindex.vSpent.size(), prevout.hash.ToString().substr(0,10).c_str(), txPrev.ToString().c_str()));
} }
return true; return true;
} }