Do not invoke DoS for non-canonical sigs

This commit is contained in:
Pieter Wuille 2013-04-18 22:17:05 +02:00
parent 72782f3b92
commit 97e7901a3a

View file

@ -1438,8 +1438,16 @@ bool CTransaction::CheckInputs(CValidationState &state, CCoinsViewCache &inputs,
if (pvChecks) {
pvChecks->push_back(CScriptCheck());
check.swap(pvChecks->back());
} else if (!check())
} else if (!check()) {
if (flags & SCRIPT_VERIFY_STRICTENC) {
// For now, check whether the failure was caused by non-canonical
// encodings or not; if so, don't trigger DoS protection.
CScriptCheck check(coins, *this, i, flags & (~SCRIPT_VERIFY_STRICTENC), 0);
if (check())
return state.Invalid();
}
return state.DoS(100,false);
}
}
}
}