Update missing signatures function for validation service (#1733)

* update missing signatures

* comment

Author: codabrink

bindings_ffi/src/mls.rs

@@ -3324,7 +3324,8 @@ mod tests {
             // should be good
             .unwrap();
 
-        // TODO: uncomment this when xmtp-node-go is updated to recognize Passkey MemberIdentifiers
+        // TODO: I'll uncomment this as soon as PR 1733 goes live.
+        // Tested locally with this uncommented and it works.
         // alex.apply_signature_request(sig_request).await.unwrap();
     }
 

xmtp_id/src/associations/builder.rs

@@ -207,7 +207,7 @@ impl SignatureRequest {
     pub fn missing_address_signatures(&self) -> Vec<&MemberIdentifier> {
         self.missing_signatures()
             .into_iter()
-            .filter(|member| member.kind() == MemberKind::Ethereum)
+            .filter(|member| matches!(member.kind(), MemberKind::Ethereum | MemberKind::Passkey))
             .collect()
     }