* Update header_algos.go

* Update header_algo_test.go

* Update header_algos.go

* Update header_data_struct.go

* switched Fermion to Clique

* Update Fermion to Clique: updated genesis block hash

* #2658: removed using HeadersSeal function from experiments module

* #2658: lint issues

* #2658: fix typo

* Update Ethereum tests to v10.0

* Implement EIP-3607

Co-authored-by: Aleksandr Borodulin <a.borodulin@axioma.lv>

* Change to use Patten inside patricia tree

* Huffman codes for compression

* Huffman coding of positions, generate tx files to test compression

* Split state into 3 files, relative positions, average decoding time

* Small optimisations of decompression

* Optimise intermediate compression

* Update erigon-lib ref

* Fix lint

Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>

* remove td check after handshake

* save

* implement test for `eth_subscribe`

* fix variable name collision

Co-authored-by: Aleksandr Borodulin <a.borodulin@axioma.lv>

* move lengths to erigon-lib

* move lengths to erigon-lib

Refactor requestAndCompare to check errors

Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>

Co-authored-by: Aleksandr Borodulin <a.borodulin@axioma.lv>

* Changes

* Progress

* Another way

* More

* More

* Produce encoding

* Add uncoded characters

* cleanup

* Add sortdict

* Fixes

* Use patricia from erigon-lib

* Cleanup

* Switch to dynamic programming, optimise allocations in FindMatches

* Optimise allocations

* Reduce allocations

* Switch to main branch of erigon-lib, reduce allocations further

Co-authored-by: Alexey Sharp <alexeysharp@Alexeys-iMac.local>
Co-authored-by: Alex Sharp <alexsharp@Alexs-MacBook-Pro.local>

* updated Fermion genesis block

* Updated Fermion genesis block: added precompiles

RemoteDB: don't spend time to close cursors on end of tx - server will cleanup everything well (#2786)

IntermediateHash stage - switch from incremental to re-generate mode - if jump > 100K blocks (#2781)