code: func (f *MockInfraProvider) CreateOrdererFromConfig(cfg *fab.OrdererConfig) (fab.Orderer, error) {
  	if f.customOrderer != nil {
  		return f.customOrderer, nil
  	}
  
  	if cfg.URL != "" {
  		return &MockOrderer{OrdererURL: cfg.URL}, nil
  	}
  
  	return &MockOrderer{}, nil
  }
docs: // CreateOrdererFromConfig creates a default implementation of Orderer based on configuration.