fix bug with backup status issuer for Iden3SparseMerkleTreeProof (#154)

* fix bug with  backup status issuer for Iden3SparseMerkleTreeProof

* make a call through resolver

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@0xpolygonid/js-sdk",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "description": "SDK to work with Polygon ID",
   "main": "dist/node/cjs/index.js",
   "module": "dist/node/esm/index.js",

src/credentials/status/reverse-sparse-merkle-tree.ts

@@ -6,6 +6,7 @@ import { CredentialStatusResolver, CredentialStatusResolveOptions } from './reso
 import { CredentialStatus, RevocationStatus, State } from '../../verifiable';
 import { VerifiableConstants, CredentialStatusType } from '../../verifiable/constants';
 import { isGenesisState } from './utils';
+import { IssuerResolver } from './sparse-merkle-tree';
 
 /**
  * ProofNode is a partial Reverse Hash Service result
@@ -122,12 +123,14 @@ export class RHSResolver implements CredentialStatusResolver {
     } catch (e: unknown) {
       if (credentialStatus?.statusIssuer?.type === CredentialStatusType.SparseMerkleTreeProof) {
         try {
-          return await (await fetch(credentialStatus.id)).json();
+          return await new IssuerResolver().resolve(credentialStatus.statusIssuer);
         } catch (e) {
-          throw new Error(`can't fetch revocation status from backup endpoint`);
+          throw new Error(
+            `can't fetch revocation status from backup endpoint: ${(e as Error)?.message}`
+          );
         }
       }
-      throw new Error(`can't fetch revocation status`);
+      throw new Error(`can't fetch revocation status: ${(e as Error)?.message}`);
     }
   }
 

tests/rhs/rhs.test.ts

@@ -194,7 +194,7 @@ describe('rhs', () => {
     await credWallet.save(issuerAuthCredential);
 
     const credBasicStatus: CredentialStatus = {
-      id: 'issuerurl',
+      id: 'http://issuerurl.com',
       revocationNonce: 0,
       type: CredentialStatusType.SparseMerkleTreeProof
     };
@@ -249,7 +249,7 @@ describe('rhs', () => {
     });
 
     const credBasicStatus: CredentialStatus = {
-      id: 'issuerurl',
+      id: 'http://issuerurl.coml',
       revocationNonce: 0,
       type: CredentialStatusType.SparseMerkleTreeProof
     };
@@ -326,7 +326,7 @@ describe('rhs', () => {
     expect(credential).not.to.be.undefined;
 
     const credBasicStatus: CredentialStatus = {
-      id: 'issuerurl',
+      id: 'http://issuerurl.coml',
       revocationNonce: 0,
       type: CredentialStatusType.SparseMerkleTreeProof
     };