* Add shared test examples for repositories
- Create
- MissingHeaders
- MarkHeaderChecked
* Use shared repository tests for cat_file_chop_lump
* Use shared repository test for cat_file_flip
* Use shared repository test for cat_file_pit_vow
* Updates to shared repository tests
* Use shared repository tests for deal
* Small updates to repo tests
* Move chop lump transformer test to a generic log_note_transformer_test
* Add test cases to transformer test
- cat file flip
- cat file pit vow
- deal
- dent
* Move transformer tests over to transformer factor test file
- drip drip
- drip file ilk/repo/vow
- pit file deb ceiling/ilk/stability fee
- price feeds
* Move LogNoteTransformer test into factory package and remove log specific transformer tests
* Move Transformer test into factory package and remove log event specific transformer tests
* Respond to PR comments
* Use transformer factory for Bite
- introduces separate transformer factory for non-LogNote events
- converter includes `ToEntities` for events defined via ABI
* Updates after rebasing with staging
- mark header as checked if no matching logs
- mark header as checked if all matching logs persisted successfully
- batch convert and insert matching logs to enable transactional persist
- enable skipping previously checked block headers when restarting a sync
