public BlockchainExplorer(ServiceManager services, IExplorerServiceFactory factory = null)
{
if (factory == null)
{
factory = new RealExplorerServiceFactory();
}
ExplorerConnectionService = services.Add(factory.CreateExplorerConnectionService());
ExplorerDatabaseService = services.Add(factory.CreateExplorerDatabaseService());
ExplorerDataTransformationService = services.Add(factory.CreateExplorerDataTransformationService());
OrderBookService = services.Add(factory.CreateOrderBookService());
}