* 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
* Lmdb internal objects reuse (built-in feature of lmdb):
- lmdb read transactions pool
- lmdb also support cursors reuse, but not implemented in this PR
And kv abstraction objects reuse:
- lmdbKV pool of all tx objects
- boltKV pool of all tx objects
- badgerKV pool of all tx objects
* switch makefile back to bolt
* switch makefile back to bolt
* lmdb test run
* switch makefile back to bolt
* cursors pool
* run lmdb tests
* make kv objects pool global
* switch makefile back to bolt
* remove badgers GOMAXPROC setup, because our app tunned for sequential read/writes, not for random throughput
* simplify code
* resetIH from scratch if needed
* lmdb
* add AbstractKV to loader, added new Object accessor around AbstractKV
* add lmdb cli flag
* add requirement of k!=nil on error in docs
* add Size method for compatibility
* read after put tests
* fix multiput nils
* simplify loops
* increase mmap size
* better error messages
* better error messages
* fix tests
* better error messages
* cleanup
* avoid bolt usage in test
* move hardcoded bucket name to dbutils
* register more buckets
* register more buckets
* fix test