Block header information at certain height
b00f opened this issue · 6 comments
It will be useful if ABCI can provide bock header information at certain height.
The block header is included in the ReqestBeginBlock for every height
@ebuchman Is there any way for application to get bock header information at a given height? I don't mean only previous height . For example if the current height is n, can application request for header information at block n-10.
For example if the current height is n, can application request for header information at block n-10
Not via ABCI. It can easily do this via the tendermint RPC though with /block?height=10
@silasdavis has suggested to get this information via ABCI not RPC. Do you think getting this information from RPC will cause Race Condition. Please take a look here: hyperledger-archives/burrow#780 (comment)
You can specify which height you want the information from, or ask for the latest height by just doing /block without the height parameter.
ABCI isn't symetric - it's not designed to allow for the app to query Tendermint. If the app needs something, it should be able to get it from the RPC
This is what we did right now. I think better to keep it close for now. Thanks