diff --git a/src/main.cpp b/src/main.cpp index 6f3b5da961..aace382d8b 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -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); + } } } }