* Add deny_unknown_fields to chainspec
* Add tests and fix existing one
* Remove serde_ignored dependency for chainspec
* Fix rpc test eth chain spec
* Fix starting_nonce_test spec
* Clean up serde rename and use rename_all = camelCase when possible
* snake_case for pricing
* Use camelcase for engine
* Use camel case for seal
* Use camel case for validator set
* Use camel case for confirmation payload
* Use camel case for consensus status
* Use camel case for nodekind
* Use kebab case for provenance
* Use camel case for pubsub
* Use lowercase and camelcase for trace
* Use camel case for whisper
* rename Ethash as irregular name
* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
* remove register_account_provider
* build rpc module
* new dummy client
* common EngineSigner struct
* from -> into
* initial report via call
* separate safe from regular contract
* transact_contract
* fix build
* return Signature, docs
* add sign method to some engines
* add safeContract spec
* update specs to new contracts
* use AuthorityRound for contract spec
* add more reporting
* add reporting test
* use gas floor
* shorter
