code: func (f *InfraProvider) CreateOrdererFromConfig(cfg *fab.OrdererConfig) (fab.Orderer, error) {
  	newOrderer, err := orderer.New(f.providerContext.EndpointConfig(), orderer.FromOrdererConfig(cfg))
  	if err != nil {
  		return nil, errors.WithMessage(err, "creating orderer failed")
  	}
  	return newOrderer, nil
  }
docs: // CreateOrdererFromConfig creates a default implementation of Orderer based on configuration.