From cfac776d075294bb6d7a4ea411cd88633e86d874 Mon Sep 17 00:00:00 2001
From: vmidyllic <74898029+vmidyllic@users.noreply.github.com>
Date: Fri, 30 Jun 2023 13:39:49 +0300
Subject: [PATCH] fix case with empty credential subject

---
 src/proof/proof-service.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/proof/proof-service.ts b/src/proof/proof-service.ts
index d86a3bb1..4dc75a49 100644
--- a/src/proof/proof-service.ts
+++ b/src/proof/proof-service.ts
@@ -639,7 +639,7 @@ export class ProofService implements IProofService {
     }
 
     let path: Path = new Path();
-    if (parsedQuery.query.operator !== QueryOperators.$noop) {
+    if (!!parsedQuery.fieldName) {
       path = await Path.getContextPathKey(
         JSON.stringify(schema),
         credential.type[1],
@@ -665,6 +665,12 @@ export class ProofService implements IProofService {
     } else {
       parsedQuery.query.slotIndex = 5; // value data slot b
     }
+    if (!parsedQuery.fieldName){
+      const resultQuery = parsedQuery.query;
+      resultQuery.operator = QueryOperators.$eq;
+      resultQuery.values = [mtEntry];
+      return { query: resultQuery };
+    }
     if (parsedQuery.isSelectiveDisclosure) {
       const rawValue = mk.rawValue(path);
       const vp = createVerifiablePresentation(
@@ -725,7 +731,7 @@ export class ProofService implements IProofService {
   private async parseRequest(req?: { [key: string]: unknown }): Promise<QueryWithFieldName> {
     if (!req) {
       const query = new Query();
-      query.operator = QueryOperators.$noop;
+      query.operator = QueryOperators.$eq;
       return { query, fieldName: '' };
     }