Merge pull request #2222 from ErikEk/invoice_show_private

Invoices with --private marked as such on LookupInvoice

rpcserver.go

@@ -3293,6 +3293,7 @@ func createRPCInvoice(invoice *channeldb.Invoice) (*lnrpc.Invoice, error) {
 		FallbackAddr:    fallbackAddr,
 		RouteHints:      routeHints,
 		AddIndex:        invoice.AddIndex,
+		Private:         len(routeHints) > 0,
 		SettleIndex:     invoice.SettleIndex,
 		AmtPaidSat:      int64(satAmtPaid),
 		AmtPaidMsat:     int64(invoice.AmtPaid),