Message relayer is too slow to keep up with the latest block

[boyuan-chen]

Issue Type

[x] bug report
[ ] feature request

Current Behavior

The BNB L2 generates block too fast so that our message relayer can't keep up with the latest block. The syncing time is much slower than the block generation.

Expected Behavior

Increase the speed of message relayer

Steps to Reproduce

Suggested Fix

[boyuan-chen]

We can fix this by querying events from a block range instead of a single block. The event is from graph node, so ideally we can get events from a large block range and filter the block that has the exit transaction.