walletdb: Log additional exception error messages for corrupted wallets

Author: achow101

src/wallet/walletdb.cpp

@@ -1192,9 +1192,15 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
 
         // Load decryption keys
         result = std::max(LoadDecryptionKeys(pwallet, *m_batch), result);
-    } catch (...) {
+    } catch (std::runtime_error& e) {
         // Exceptions that can be ignored or treated as non-critical are handled by the individual loading functions.
         // Any uncaught exceptions will be caught here and treated as critical.
+        // Catch std::runtime_error specifically as many functions throw these and they at least have some message that
+        // we can log
+        pwallet->WalletLogPrintf("%s\n", e.what());
+        result = DBErrors::CORRUPT;
+    } catch (...) {
+        // All other exceptions are still problematic, but we can't log them
         result = DBErrors::CORRUPT;
     }