fix: correct rewind for brand new wallets

src/Zenith/CLI.hs

@@ -840,11 +840,11 @@ scanZebra dbP zHost zPort b eChan znet = do
       logDebugN $
         "dbBlock: " <>
         T.pack (show dbBlock) <> " chkBlock: " <> T.pack (show chkBlock)
-      when (chkBlock /= dbBlock) $ rewindWalletData pool chkBlock
       let sb =
             if chkBlock == dbBlock
               then max dbBlock b
               else max chkBlock b
+      when (chkBlock /= dbBlock && chkBlock /= 1) $ rewindWalletData pool sb
       if sb > zgb_blocks bStatus || sb < 1
         then do
           liftIO $

src/Zenith/GUI.hs

@@ -1632,12 +1632,12 @@ scanZebra dbPath zHost zPort net sendMsg = do
   if syncChk
     then sendMsg (ShowError "Sync already in progress")
     else do
-      unless (chkBlock == dbBlock) $
-        runStderrLoggingT $ rewindWalletData pool chkBlock
       let sb =
             if chkBlock == dbBlock
               then max dbBlock b
               else max chkBlock b
+      unless (chkBlock == dbBlock || chkBlock == 1) $
+        runStderrLoggingT $ rewindWalletData pool sb
       if sb > zgb_blocks bStatus || sb < 1
         then sendMsg (ShowError "Invalid starting block for scan")
         else do

src/Zenith/RPC.hs

@@ -892,12 +892,12 @@ scanZebra dbPath zHost zPort net = do
   chkBlock <- checkIntegrity dbPath zHost zPort dbBlock 1
   syncChk <- isSyncing pool
   unless syncChk $ do
-    unless (chkBlock == dbBlock) $
-      runStderrLoggingT $ rewindWalletData pool chkBlock
     let sb =
           if chkBlock == dbBlock
             then max dbBlock b
             else max chkBlock b
+    unless (chkBlock == dbBlock || chkBlock == 1) $
+      runStderrLoggingT $ rewindWalletData pool sb
     unless (sb > zgb_blocks bStatus || sb < 1) $ do
       let bList = [(sb + 1) .. (zgb_blocks bStatus)]
       unless (null bList) $ do