查询DA数据库最新存储的batch高度

select batch_num from data_node.offchain_data ORDER BY batch_num DESC Limit 1;

例如返回

batch_num 
-----------
       335

再查看最新提交的交易->SequenceBatches时间
https://sepolia.etherscan.io/tx/0x9edf5c7c7a87ca47fd85e3002361d1266028e2f2a08d1bfd4cf1e483f6c19104#eventlog

numBatch:335
与数据库中高度一致,则代表DA服务正常