Function create_test_provider_factory_with_genesis_block_number 

pub fn create_test_provider_factory_with_genesis_block_number(
    genesis_block_number: u64,
) -> ProviderFactory<NodeTypesWithDBAdapter<AnyNodeTypesWithEngine<EthPrimitives, EthEngineTypes, ChainSpec, EthStorage, EthEngineTypes>, Arc<TempDatabase<DatabaseEnv>>>>

Available on crate features test-utils only.

Creates a test provider factory whose chain starts at genesis_block_number.