Do not invoke DoS for non-canonical sigs
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1 changed files with 9 additions and 1 deletions
10
src/main.cpp
10
src/main.cpp
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@ -1438,8 +1438,16 @@ bool CTransaction::CheckInputs(CValidationState &state, CCoinsViewCache &inputs,
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if (pvChecks) {
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pvChecks->push_back(CScriptCheck());
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check.swap(pvChecks->back());
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} else if (!check())
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} else if (!check()) {
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if (flags & SCRIPT_VERIFY_STRICTENC) {
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// For now, check whether the failure was caused by non-canonical
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// encodings or not; if so, don't trigger DoS protection.
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CScriptCheck check(coins, *this, i, flags & (~SCRIPT_VERIFY_STRICTENC), 0);
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if (check())
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return state.Invalid();
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}
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return state.DoS(100,false);
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}
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}
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}
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}
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