Merge pull request #4885

b5573fc2 wallet2: resume processing when tx extra is partially broken (stoffu)

src/wallet/wallet2.cpp

@@ -1382,7 +1382,7 @@ void wallet2::cache_tx_data(const cryptonote::transaction& tx, const crypto::has
   {
     // Extra may only be partially parsed, it's OK if tx_extra_fields contains public key
     LOG_PRINT_L0("Transaction extra has unsupported format: " << txid);
-    tx_cache_data.tx_extra_fields.clear();
+    if (tx_cache_data.tx_extra_fields.empty())
       return;
   }