* Revert "remove tombstones (#426)"
This reverts commit aa6bab40e8.
* tombstones don't hide storage or account anymore
* auto-format code by prettier (similar to gofmt)
* wow, it works.....
* small simplification, but need make it more clear
* rebase to master
* rebase to master
* rebase to master
* re-run ci
* clean test files