Function registerPublicSigningKey

registerPublicSigningKey(
    config: SigningRegistrationConfig,
    keyServiceBaseUrl: string,
    getTokenCallback: GetEventSigningTokenFunc,
    logger?: Logger,
): Promise<void>
Registers a service public key with the Key service. Caches the used token and the single registered public key. If some public keys were already cached - newly registered public key is added to the cached list.
Parameters
- config: SigningRegistrationConfig
  service configuration object containing all values relavant for event signing
- keyServiceBaseUrl: string
  Base URL of Mosaic Key Service
- getTokenCallback: GetEventSigningTokenFunc
  Function to retrieve authorization token result to make a registration request to the Key Service
- Optionallogger: Logger
  Optional instance of the Mosaic Logger. If not provided - new instance will be created and used by the function itself.
Returns Promise<void>