staticaddr: re-register for block conf on error

Author: hieblmi

staticaddr/loopin/actions.go

@@ -665,7 +665,14 @@ func (f *FSM) MonitorInvoiceAndHtlcTxAction(ctx context.Context,
 		case err = <-blockChanErr:
 			f.Errorf("block subscription error: %v", err)
 
-			return f.HandleError(err)
+			// Re-register for block notifications.
+			blockChan, blockChanErr, err = registerBlocks(ctx)
+			if err != nil {
+				err = fmt.Errorf("unable to subscribe to "+
+					"new blocks: %v", err)
+
+				return f.HandleError(err)
+			}
 
 		case update := <-invoiceUpdateChan:
 			switch update.State {