Add generateMerkleProof

src/sdk/MessageBus.ts

@@ -611,6 +611,41 @@ export default class MessageBus {
     });
   }
 
+  public generateMerkleProof(processState: any, attributeName: string): Promise<any> {
+    return new Promise<any>((resolve: (proof: any) => void, reject: (error: string) => void) => {
+      this.checkToken().then(() => {
+        const messageId = `GET_MERKLE_PROOF_${uuidv4()}`;
+
+        const unsubscribe = EventBus.getInstance().on('MERKLE_PROOF_RETRIEVED', (responseId: string, proof: any) => {
+          if (responseId !== messageId) {
+            return;
+          }
+          unsubscribe();
+          resolve(proof);
+        });
+
+        const unsubscribeError = EventBus.getInstance().on('ERROR_MERKLE_PROOF_RETRIEVED', (responseId: string, error: string) => {
+          if (responseId !== messageId) {
+            return;
+          }
+          unsubscribeError();
+          reject(error);
+        });
+
+        const user = User.getInstance();
+        const accessToken = user.getAccessToken()!;
+
+        this.sendMessage({
+          type: 'GET_MERKLE_PROOF',
+          accessToken,
+          processState,
+          attributeName,
+          messageId
+        });
+      }).catch(reject);
+    });
+  }
+
   private validateToken(): Promise<boolean> {
     return new Promise<boolean>((resolve: (isValid: boolean) => void, reject: (error: string) => void) => {
       const messageId = `VALIDATE_TOKEN_${uuidv4()}`;
@@ -804,6 +839,10 @@ export default class MessageBus {
         this.doHandleMessage(message.messageId, 'VALUE_HASHED', message, (message: any) => message.hash);
         break;
 
+      case 'MERKLE_PROOF_RETRIEVED': // GENERATE_MERKLE_PROOF
+        this.doHandleMessage(message.messageId, 'MERKLE_PROOF_RETRIEVED', message, (message: any) => message.proof);
+        break;
+
       case 'ERROR':
         console.error('Error:', message);
         this.errors[message.messageId] = message.error;