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-rw-r--r--src/json/json_wire.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/json/json_wire.c b/src/json/json_wire.c
index f05808194..837263c1e 100644
--- a/src/json/json_wire.c
+++ b/src/json/json_wire.c
@@ -399,7 +399,9 @@ TALER_JSON_merchant_wire_signature_hash (const json_t *wire_s,
struct GNUNET_HashCode *hc)
{
const char *payto_uri;
- const char *salt;
+ const char *salt; /* Current merchant backend will always make the salt
+ a `struct GNUNET_HashCode`, but *we* do not insist
+ on that. */
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_string ("payto_uri", &payto_uri),
GNUNET_JSON_spec_string ("salt", &salt),