json nit: use const for json_add_psbt

4 years ago · b6a7b52a3e
2 changed files with 2 additions and 2 deletions
--- a/common/json_helpers.c
+++ b/common/json_helpers.c
@ -270,7 +270,7 @@ void json_add_tx(struct json_stream *result,
 void json_add_psbt(struct json_stream *stream,
 		   const char *fieldname,
-		   struct wally_psbt *psbt)
+		   const struct wally_psbt *psbt)
 {
 	const char *psbt_b64;
 	psbt_b64 = psbt_to_b64(NULL, psbt);
--- a/common/json_helpers.h
+++ b/common/json_helpers.h
@ -157,6 +157,6 @@ void json_add_tx(struct json_stream *result,
 /* '"fieldname" : "cHNidP8BAJoCAAAAAljo..." or "cHNidP8BAJoCAAAAAljo..." if fieldname is NULL */
 void json_add_psbt(struct json_stream *stream,
 		   const char *fieldname,
-		   struct wally_psbt *psbt);
+		   const struct wally_psbt *psbt);
 #endif /* LIGHTNING_COMMON_JSON_HELPERS_H */