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

* fix concurrent map writes crush

* fix concurrent map writes crush

* added temp file in crashreports because git is stupid and wont add empty folders

* implemented ignoreUnder + EffectiveGas for legacy and dynamic txs

* implemented changes to gas price oracle for 1559

* switched Cmp to Lt/Gt

* Always enable eth65

* Add ListenAddr65 to defaults

* empty engine

* start sync from peer right after handshake if it's TD is higher

* fixCanonicalChain to print logs

* clean

* >

* simplify randomaccount

* simplify execution unwind

* Remove standalone account accessors

* Insert missing TD values

* Print missing TD records

* Fix typo

* Apply fix

* Fixes in execution stage

* Fix tx/sec output

* Advance exec

* Reset unwind

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

Build ALL erigon's executables
Copy mdbx tools to erigon's bin directory

* added temp file in crashreports because git is stupid and wont add empty folders

* added proper creating of crash report dir

* changed crashreports dir to one directory up from datadir

* implemented suggestions

* switched back to 5d651381daf9d12cc663a7326b3b16d7bb4c1aa0 for tests/testdata

* Util to dump state

* Extract bodies info

* Fix for extractBodies

* Fix typo

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

* Not to remove TD records on failed blocks

* Commit tx when stopped

* Not to mess up stageloop commits

* Stop

* Fix header unwinds

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

* add --maxpeers cli options (#2150)

* cleanup

Implemented panic handling, graceful shutdown and reporting for all goroutines that don't explicitly handle them. (#2153)

* implemented crash reporting for all goroutine panics that aren't handled explicitly

* implemented crash reporting for all goroutine panics that aren't handled explicitly

* changed node defaults back to originals after testing

* implemented panic handling for all goroutines that don't explicitly handle them, outputting the stack trace to a file in crashreports

* handling panics on all goroutines gracefully

* updated missing call

* error assignment

* implemented suggestions

* path.Join added

* implemented Evgeny's suggestions

* changed path.Join to filepath.Join for cross-platform

* added err check

* updated RecoverStackTrace to LogPanic

* updated closures

* removed call of common.Go to some goroutines

* updated scope capture

* removed testing files

* reverted back to original method, I feel like its less intrusive

* update filename for clarity

* Upgrade tests to 9.0.1

* Fix gas limit rule

* Clean up output

* Update testdata

* Fix tip assigment

* Fix genesis discrepancy

* Skip typeTwo berlin test

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