* add table size logs and metrics

* log stale readers

* - don't collect db metrics in background
- do check stale readers once an hour

* execution to update metrics when print logs

* hide file exists err

* hide file exists err

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

* Detect broken ancestry

* Print last canonical headers

* Add backExec

* Cleanup

* Add unwind util

* Add trimTxs utility

* Actually delete tx records

* Avoid infinite loop

* Change strategy

* Close cursor after commmit

* Fix RwBegin issue

* 10m records per transaction

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

* tx.AsMessage was called twice

* noopWriter - one is enough

* extractHeaders

* Print diff

* Fix for state corruption without performance regression

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

* Remove unused tables, soft rename, take 3

* Bump db schema version

* nil check in migration

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

* move mdbx to submodule

To break dependency to db implementation - move all db classes to "ethdb/kv" and leave in "ethdb" only interfaces (#2195)

* net_peerCount for remote sentries

* cleanup

* Simplify NetPeerCount using SentryClient

* Refactor id -> count

* Try to solve sentry hanging problem + p2p impovement from geth

* Fix import

* Finer stream lock

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

* Implement API and protobuf

* Squashed 'interfaces/' content from commit cd3eca28e

git-subtree-dir: interfaces
git-subtree-split: cd3eca28e50367af9de52fca863b1d7528bff774

* Implement net_peerCount RPC call

* Squashed 'interfaces/' content from commit cd3eca28e

git-subtree-dir: interfaces
git-subtree-split: cd3eca28e50367af9de52fca863b1d7528bff774

* Fixing merge conflicts

* Remove p2p.Server from Ethereum backend

* Fix peerCount calculation for internal sentries

* Bump eth backend API version

* Update rpcdaemon README

* Document version change

This reverts commit 1390b3c7.

This reverts commit 470a9918.

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

This reverts commit 470a9918.

* Experiment with tests

* Increase test concurrency to 8

* Lower concurrency

* Concurrency back to 2

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

* Initial investigations

* Add compatibility option, cleanup

* More cleanup

* Better error handling for streaming RPC requests

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

* Fix for peer not found messages

* Print proto on disconnects too

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

* - add context for goroutines shutdown
- use 1 select for all channels to avoid deadlock

* - add context for goroutines shutdown
- use 1 select for all channels to avoid deadlock
- integration: senders to use right chainconfig