* Fix body fetch
* Reduce spurious reorgs
* Exit the sync cycle after unwinds
* Fix out of range
* No stalling check for staged sync
* Disable failing tests
* Remove duplicate log message
* Fix UnwindTest and add assertions
* Fix formatting
* Cleanup
* Fix off by one error with bodies
* Remove rollback
* Profile all stages
* Try to recover senders with 8 goroutines
* fix CPU profiling for stage_bodies
* fix out-of-index
* Try full DAG for verfication of header seals
* Try to unroll fnvHash for performance
* SSE2 assembly for fnvHash16
* fnvHash16AVX2
* Revert changes to state.go
* check we're on 64-bit in useAVX2
* Shave a move off fnvHash16AVX2
* asmdecl doesn't know about VMOVD
* disable linter in the right place
* save state
* txlookup full results
* save state
* save state
* remove experiments
* some fix&lint
* add end key to txLookup and index generation
* change log message
* change log
* fix lint
* lint
* fix test
* 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
use `s.UpdateWithStageData(db, <block number>, <key>)` to store the key
use `s.StageData` with `etl.NextKey` to restart ETL from where it was interrupted.
* 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
* Query progress
* Run stage4 offline
* More thorough resetState
* Correct BlockNumber
* Fix formatting
* State loop
* do every 200k blocks
* Shift to 6.6m
* Close dbs in tests
* Stage2 with option of no reset
* every 100k blocks
* Reset state before stage5
* Introduce another stage
* Check compile errors
* Fix linter
* Fix linter
* Disable unreliable test
* Fix test
* Remove unreachable code
* uint256 in rlp
* uint256 rather than big.Int in Transation
* linters
* more linters
* still linters
* Reduce garbage in writeUint256
* Experiment with GC in writeByteArray
