It's possiable to use this project to sync blocks from Substrate-Based chain ?

[g302ge]

Recently, I am trying to implementation a polkadot chain data analysis system. In this system I need sync blocks from chain, and analysis its transaction Also insert into some OLAP database. So if I can extract some transaction details using this crate ?

[tomaka]

It depends on exactly what you need.
Beware that only the light client is officially supported. Anything else might change and break at any time.