chore: update logic

Author: ruijialin-avalabs

src/vms/common/unsignedTx.ts

@@ -173,12 +173,13 @@ export class UnsignedTx {
 
   private addSignatureForPubKey(sig: Uint8Array, publicKey: Uint8Array) {
     const coordinates = this.getSigIndicesForPubKey(publicKey);
-    for (let i = 0; i < this.credentials.length; i++) {
-      if (coordinates) {
-        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-        coordinates.forEach(([_, subIndex]) => {
-          this.addSignatureAt(sig, i, subIndex);
+    for (let i = 0; i < this.getCredentials().length; i++) {
+      if (coordinates[i]) {
+        coordinates.forEach(([index, subIndex]) => {
+          this.addSignatureAt(sig, index, subIndex);
         });
+      } else {
+        this.addSignatureAt(sig, i, 0);
       }
     }
   }