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Check duplicate usernames within the same block

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This commit is contained in:
Miguel Freitas 2013-11-06 18:25:24 -02:00
parent 5529ce130c
commit ceddb2781b
1 changed files with 9 additions and 0 deletions
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9
src/main.cpp
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@ -1599,6 +1599,15 @@ bool CheckBlock(const CBlock& block, CValidationState& state, bool fCheckPOW, bo
if (uniqueTx.size() != block.vtx.size())
return state.DoS(100, error("CheckBlock() : duplicate transaction"));
// Check duplicate usernames within the same block
set<uint256> uniqueUsers;
for (unsigned int i = 1; i < block.vtx.size(); i++) {
uniqueUsers.insert(block.vtx[i].GetUsernameHash());
}
if (uniqueUsers.size() != block.vtx.size()-1)
return state.DoS(100, error("CheckBlock() : duplicate username"));
// Check merkle root
if (fCheckMerkleRoot && block.hashMerkleRoot != block.BuildMerkleTree())
return state.DoS(100, error("CheckBlock() : hashMerkleRoot mismatch"));