use Base64VecU8 type

near · Sep 6, 2023 · 4d0e590 · 4d0e590
1 parent 2dde320
commit 4d0e590
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/neps/nep-0393.md b/neps/nep-0393.md
@@ -401,10 +401,13 @@ trait SBTRegistry {
     fn sbt_revoke_by_owner(&mut self, owner: AccountId, burn: bool);
 
     /// Allows issuer to update token metadata reference and reference_hash.
-    /// * `updates` is a list of triples: (token ID, reference, reference hash).
+    /// * `updates` is a list of triples: (token ID, reference, reference base64-encoded sha256 hash).
     /// Must emit `token_reference` event.
     /// Panics if any of the token Ids don't exists.
-    fn sbt_update_token_references(&mut self, updates: Vec<(TokenId, String, String)>);
+    fn sbt_update_token_references(
+        &mut self,
+        updates: Vec<(TokenId, Option<String>, Option<Base64VecU8>)>,
+    );
 }
 ```