added loop at invoice creation waiting for ldn to sync

home.admin/BBcreateInvoice.sh

@@ -17,16 +17,19 @@ echo ""
 echo "*** Precheck ***"
 
 # check if chain is in sync
-chainInSync=$(lncli --chain=${network} --network=${chain}net getinfo | grep '"synced_to_chain": true' -c)
-if [ ${chainInSync} -eq 0 ]; then
-  echo "!!!!!!!!!!!!!!!!!!!"
-  echo "FAIL - 'lncli getinfo' shows 'synced_to_chain': false"
-  echo "Wait until chain is sync with LND and try again."
-  echo "!!!!!!!!!!!!!!!!!!!"
-  echo ""
-  exit 1
-  # TODO: Wait and loop. Offer the user a "abort wait" button
-fi
+cmdChainInSync="lncli --chain=${network} --network=${chain}net getinfo | grep '"synced_to_chain": true' -c"
+chainInSync=$(cmdChainInSync)
+while [ ${chainInSync} -eq 0 ]; do
+  dialog --title "Fail: not in sync" \
+	 --ok-label "Try now" \
+	 --cancel-label "Give up" \
+	 --pause "\n\n'lncli getinfo' shows 'synced_to_chain': false\n\nTry again in a few seconds." 15 60 5
+  
+  if [ $? -gt 0 ]; then
+      exit 1
+  fi
+  chainInSync=$(cmdChainInSync)
+done
 
 # check number of connected peers
 echo "check for open channels"