* Problem: grpc query fail on legacy blocks
`BaseFee` and `EthCall`.
Solution:
- since grpc query handlers are used for all versions of the blocks, it need to be compatible with legacy formats.
debug
fix basefee fetch
Revert "debug"
This reverts commit 50ebaf697fc06b0d6e26abd8de8f89717e8a219d.
update gomod2nix
Update CHANGELOG.md
debug
fix panic
Revert "debug"
This reverts commit e08af04b0776bd390c42706cc9ec978e00bcb3bb.
* add upgrade integration test
* Update tests/integration_tests/configs/upgrade-test-package.nix
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>