phone.getGroupCallChainBlocks

Fetch blocks from a conference call subchain »; handle the returned updateGroupCallChainBlocks as specified here ».

If the number of blocks returned by any call to this method is equal to limit, this method must be re-invoked immediately after processing the returned updateGroupCallChainBlocks, with the newly committed offset (usually equal to the returned next_offset).

 Method schema is available as of layer 202. Switch »

Parameters

Name Type Description
call InputGroupCall Conference whose subchain blocks should be fetched
sub_chain_id int 0 for the main state blockchain, 1 for the call verification subchain
offset int Fetch blocks starting from this height; pass -1 to fetch the latest block
limit int Maximum number of blocks to return in this call, see pagination, max 100.

Result

Updates

Only users can use this method

Possible errors

Code Type Description
400 GROUPCALL_INVALID The specified group call is invalid.

Related pages

Pagination in the API

How to fetch results from large lists of objects.

E2E Group Calls

End-to-end encryption used for Telegram group voice and video calls, using a blockchain for state management.

updateGroupCallChainBlocks

Contains conference call blockchain blocks, see handling E2E group call updates ».