1 files changed, 42 insertions, 0 deletions
diff --git a/src/wallet/api/wallet2_api.h b/src/wallet/api/wallet2_api.h
index 53210832b..be84003fa 100644
--- a/src/wallet/api/wallet2_api.h
+++ b/src/wallet/api/wallet2_api.h
@@ -446,6 +446,12 @@ struct Wallet
         ConnectionStatus_WrongVersion
     };
 
+    enum BackgroundSyncType {
+        BackgroundSync_Off = 0,
+        BackgroundSync_ReusePassword = 1,
+        BackgroundSync_CustomPassword = 2
+    };
+
     virtual ~Wallet() = 0;
     virtual std::string seed(const std::string& seed_offset = "") const = 0;
     virtual std::string getSeedLanguage() const = 0;
@@ -937,6 +943,42 @@ struct Wallet
      */
     virtual bool scanTransactions(const std::vector<std::string> &txids) = 0;
 
+    /*!
+     * \brief setupBackgroundSync       - setup background sync mode with just a view key
+     * \param background_sync_type      - the mode the wallet background syncs in
+     * \param wallet_password
+     * \param background_cache_password - custom password to encrypt background cache, only needed for custom password background sync type
+     * \return                          - true on success
+     */
+    virtual bool setupBackgroundSync(const BackgroundSyncType background_sync_type, const std::string &wallet_password, const optional<std::string> &background_cache_password) = 0;
+
+    /*!
+     * \brief getBackgroundSyncType     - get mode the wallet background syncs in
+     * \return                          - the type, or off if type is unknown
+     */
+    virtual BackgroundSyncType getBackgroundSyncType() const = 0;
+
+    /**
+     * @brief startBackgroundSync - sync the chain in the background with just view key
+     */
+    virtual bool startBackgroundSync() = 0;
+
+    /**
+     * @brief stopBackgroundSync  - bring back spend key and process background synced txs
+     * \param wallet_password
+     */
+    virtual bool stopBackgroundSync(const std::string &wallet_password) = 0;
+
+    /**
+     * @brief isBackgroundSyncing - returns true if the wallet is background syncing
+     */
+    virtual bool isBackgroundSyncing() const = 0;
+
+    /**
+     * @brief isBackgroundWallet - returns true if the wallet is a background wallet
+     */
+    virtual bool isBackgroundWallet() const = 0;
+
     virtual TransactionHistory * history() = 0;
     virtual AddressBook * addressBook() = 0;
     virtual Subaddress * subaddress() = 0;