* Fix eth tx hashes in json-rpc responses
Closes: #1175
- Remove Size_ field
- Validate From/Hash fields in ante handler
- Recompute tx hashes in json-rpc apis to cope with old blocks
Update CHANGELOG.md
remove Size_, validate Hash/From, add unit tests
update spec
Update CHANGELOG.md
Update app/ante/eth.go
populate From in SendRawTransaction
Apply suggestions from code review
keep Size_ field to avoid breaking tx format
* move some validation to ValidateBasic
* move validation to ValidateBasic
* make ToTransaction returns a valid msg
* restructure the protoTxProvider check
* add comment
* workaround tx hash issue in event parsing
* fix integration test
* fix unit test
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
