feat: added optional issuer callback to parameters of issueCredential…

…FromIssueRequest

Signed-off-by: sksadjad <[email protected]>

packages/issuer-rest/lib/api.ts

@@ -61,7 +61,8 @@ export class RestAPI {
 
   constructor(opts?: { metadata: IssuerMetadata; userPinRequired: boolean }) {
     dotenv.config()
-    this._vcIssuer = opts ? (this._vcIssuer = new VcIssuer(opts.metadata, opts.userPinRequired)) : buildVCIFromEnvironment()
+    // todo: we probably want to pass a dummy issuance callback function here
+    this._vcIssuer = opts ? (this._vcIssuer = new VcIssuer(opts.metadata, { userPinRequired: opts.userPinRequired })) : buildVCIFromEnvironment()
     this.express = express()
     const port = process.env.PORT || 3000
     const secret = process.env.COOKIE_SIGNING_KEY

packages/issuer/lib/VcIssuer.ts

@@ -16,11 +16,19 @@ export class VcIssuer {
     return this._issuerMetadata
   }
 
-  public async issueCredentialFromIssueRequest(issueCredentialRequest: CredentialRequest): Promise<CredentialResponse> {
+  /**
+   * issueCredentialFromIssueRequest
+   * @param issueCredentialRequest a credential issuance request
+   * @param issuerCallback OPTIONAL. if provided will use this callback instead what is configured in the VcIssuer
+   */
+  public async issueCredentialFromIssueRequest(
+    issueCredentialRequest: CredentialRequest,
+    issuerCallback?: CredentialIssuerCallback
+  ): Promise<CredentialResponse> {
     //TODO: do we want additional validations here?
     if (this.isMetadataSupportCredentialRequestFormat(issueCredentialRequest.format)) {
       return {
-        credential: await this.issueCredential({ credentialRequest: issueCredentialRequest }),
+        credential: await this.issueCredential({ credentialRequest: issueCredentialRequest }, issuerCallback),
         format: issueCredentialRequest.format,
       }
     }
@@ -41,10 +49,13 @@ export class VcIssuer {
     }
     return false
   }
-  private async issueCredential(opts: { credentialRequest?: CredentialRequest; credential?: ICredential }): Promise<W3CVerifiableCredential> {
+  private async issueCredential(
+    opts: { credentialRequest?: CredentialRequest; credential?: ICredential },
+    issuerCallback?: CredentialIssuerCallback
+  ): Promise<W3CVerifiableCredential> {
     if ((!opts.credential && !opts.credentialRequest) || !this._issuerCallback) {
       throw new Error('Issuer not configured correctly.')
     }
-    return await this._issuerCallback(opts)
+    return issuerCallback ? await issuerCallback(opts) : this._issuerCallback(opts)
   }
 }