import { Service } from './service'; import crypto from 'crypto'; export class TestService extends Service { private _secretKey: string; constructor() { this._secretKey = '1234567890'; this._userId = '123'; } /** * Get Hex encoded hash of secret key */ private GetHashKey(): string { return crypto .createHmac('sha256', this._secretKey) .update(this._getUserString(this._userId)) .digest('hex'); } }