Function unknown_field

common/bolt11.c:128–142

* These handle specific fields in the payment request; returning the problem * if any, or NULL. */

 * if any, or NULL.
 */
static char *unknown_field(struct bolt11 *b11,
			   struct hash_u5 *hu5,
			   u5 **data, size_t *data_len,
			   u5 type, size_t length)
{
	struct bolt11_field *extra = tal(b11, struct bolt11_field);
	u8 u8data[num_u8(length)];

	extra->tag = type;
	extra->data = tal_dup_arr(extra, u5, *data, length, 0);
	list_add_tail(&b11->extra_fields, &extra->list);

	pull_bits_certain(hu5, data, data_len, u8data, length * 5, true);
	return NULL;
}

/* BOLT #11:
 *