pub fn only_genesis(mut self) -> anyhow::Result<ZkStackService> {
        self = self
            .add_pools_layer()?
            .add_query_eth_client_layer()?
            .add_settlement_mode_data()?
            .add_storage_initialization_layer(LayerKind::Task)?;

        Ok(self.node.build())
    }
Builds the node with the genesis initialization task only.
core/bin/zksync_server/src/node_builder.rs