* @brief Takes a list of public keys and updates them in the DB.
* @param keys The keys to update in the DB.
* @param blacklist A keyarray of fingerprints that shouldn't be added.
+ * @updateonly: Only update existing keys, don't add new ones.
* @param sendsync If we should send a keysync mail.
*
* Takes a list of keys and adds them to the database, merging them with
int (*update_keys)(struct onak_dbctx *,
struct openpgp_publickey **keys,
struct keyarray *blacklist,
+ bool updateonly,
bool sendsync);
/**