Delay initial pruning until after wallet init

Don't prune until any wallet rescanning has taken place to avoid
potentially pruning blocks that the wallet rescan may need.

src/init.cpp

@@ -1223,15 +1223,6 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
         mempool.ReadFeeEstimates(est_filein);
     fFeeEstimatesInitialized = true;
 
-    // if prune mode, unset NODE_NETWORK and prune block files
-    if (fPruneMode) {
-        LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
-        nLocalServices &= ~NODE_NETWORK;
-        if (!fReindex) {
-            PruneAndFlush();
-        }
-    }
-
     // ********************************************************* Step 8: load wallet
 #ifdef ENABLE_WALLET
     if (fDisableWallet) {
@@ -1372,7 +1363,21 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
 #else // ENABLE_WALLET
     LogPrintf("No wallet support compiled in!\n");
 #endif // !ENABLE_WALLET
-    // ********************************************************* Step 9: import blocks
+
+    // ********************************************************* Step 9: data directory maintenance
+
+    // if pruning, unset the service bit and perform the initial blockstore prune
+    // after any wallet rescanning has taken place.
+    if (fPruneMode) {
+        uiInterface.InitMessage(_("Pruning blockstore..."));
+        LogPrintf("Unsetting NODE_NETWORK on prune mode\n");
+        nLocalServices &= ~NODE_NETWORK;
+        if (!fReindex) {
+            PruneAndFlush();
+        }
+    }
+
+    // ********************************************************* Step 10: import blocks
 
     if (mapArgs.count("-blocknotify"))
         uiInterface.NotifyBlockTip.connect(BlockNotifyCallback);
@@ -1396,7 +1401,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
             MilliSleep(10);
     }
 
-    // ********************************************************* Step 10: start node
+    // ********************************************************* Step 11: start node
 
     if (!CheckDiskSpace())
         return false;