* getactorstats query for validator-engine-console
* celldb in-memory mode (--celldb-in-memory option)
* rldp2: bugfix - do not estimate speed while nothing is sent
* add simple ed25519 benchmark
* fix compilation errors of different platforms and move to c++20
* fix some warnings
* turn on TON_USE_ABSEIL for glibc 2.27 nix build
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Co-authored-by: birydrad <>
This commit contains some parts of https://github.com/ton-blockchain/ton/tree/accelerator
This is auxiliary code that mostly does not change node behavior.
1) Semiprivate overlays and other improvements in overlays code
2) Rename actual_min_split -> monitor_min_split, fix building shard overlays
3) Loading block candidates by block id from DB, fix accept_block after validator restart
4) Cells: ProofStorageStat and changes in CellUsageTree
5) Remove some unused code, other minor changes
