* Euphemerally -> Ephemerally
* Move StorageMode to ethdb and pass it to PrepareStagedSync
* linter
* Remove StorageModeThinHistory and move SetStorageModeIfNotExist into storage_mode.go
* Optionally write receipts in the execute stage
* memory profiler
* linter
* proper linter fix
* linter
* typo
* Merge stateDb with changeDb so that all-or-nothing is commited in stage_execute
* Start from 9m7
* Regenerate IH + receipts
* Only stats for iH bucket
* Persist receipts
* Go all in
* Start from block 10m
* Convert DbState to use plain state
* Fix findHistory
* Hard-code export
* More fixes
* Fix test
* Fix formatting
* Introduce PlainDbState
* Actually return PlainDbState
* Fix formatting
* Fix name style lint
* Fix linters
* Fix history_test
* Fix blockchain_test
* Fix compile error
* Bucket stats from all buckets
* Produce less garbage in GetState
* Still playing with mem allocation in GetCommittedState
* Pass key by pointer in GetState as well
* linter
* Avoid a memory allocation in opSload
* Use uint256.Int rather than common.Hash for storage values to reduce memory allocation in opSload & opSstore
* linter
* linters
* small clean up
* introduce PlainStateReader with fallbacks
* no 10.000 changes in tests
* even less iterations
* remove even more iterations
* add `go run ./cmd/geth --syncmode staged --plainstate` flag
* fix serialization calls
* make a more sensible file default
doesn’t affect anything, because this flag is always overriden when parsing CLI. but still.