fixed AUDIT payout scanning for split AUDIT TXs; bumped RC version

src/version.cpp.in

@@ -1,5 +1,5 @@
 #define DEF_SALVIUM_VERSION_TAG "@VERSIONTAG@"
-#define DEF_SALVIUM_VERSION "0.9.9-rc5"
+#define DEF_SALVIUM_VERSION "0.9.9-rc6"
 #define DEF_MONERO_VERSION_TAG "release"
 #define DEF_MONERO_VERSION "0.18.3.4"
 #define DEF_MONERO_RELEASE_NAME "One"

src/wallet/scanning_tools.cpp

@@ -132,6 +132,9 @@ static bool try_load_pre_carrot_enote(const bool is_coinbase,
         enote_out.amount_commitment = rct::Z;
     }
 
+    // Check for protocol_tx outputs
+    enote_out.is_protocol_tx_output = (tx.type == cryptonote::transaction_type::PROTOCOL);
+    
     return true;
 }
 //-------------------------------------------------------------------------------------------------------------------
@@ -168,8 +171,8 @@ static std::optional<enote_view_incoming_scan_info_t> view_incoming_scan_pre_car
 
     crypto::ec_scalar amount_key;
     if (!hwdev.derivation_to_scalar(receive_info->derivation,
-            enote.local_output_index,
-            amount_key))
+                                    enote.is_protocol_tx_output ? 0 : enote.local_output_index,
+                                    amount_key))
         return std::nullopt;
 
     // a
@@ -208,16 +211,16 @@ static std::optional<enote_view_incoming_scan_info_t> view_incoming_scan_pre_car
     // derive k^g_o
     crypto::secret_key sender_extension_g;
     if (!hwdev.derivation_to_scalar(receive_info->derivation,
-            enote.local_output_index,
-            sender_extension_g))
+                                    enote.is_protocol_tx_output ? 0 : enote.local_output_index,
+                                    sender_extension_g))
         return std::nullopt;
 
     // K^j_s'
     crypto::public_key address_spend_pubkey;
     if (!hwdev.derive_subaddress_public_key(enote.onetime_address,
-            receive_info->derivation,
-            enote.local_output_index,
-            address_spend_pubkey))
+                                            receive_info->derivation,
+                                            enote.is_protocol_tx_output ? 0 : enote.local_output_index,
+                                            address_spend_pubkey))
         return std::nullopt;
 
     //pid

src/wallet/scanning_tools.h

@@ -100,6 +100,8 @@ struct PreCarrotEnote
     bool short_amount;
     rct::key amount_commitment;
     rct::ecdhTuple amount;
+
+    bool is_protocol_tx_output;
 };
 
 using MoneroEnoteVariant = std::variant<PreCarrotEnote,