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

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* Engine API: remove unauth port

* Remove reduntant auth from variable names

RPCDaemon: open snapshots on startup (because now snapshots dir is atomic), even if no Erigon available (#4110)

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Rename sentry.ControlServerImpl to sentry.MultyClient and sentry.SentryServerImpl to sentry.GrpcServer #444

* reuse the generated test blockchain across tests
* copy ChainPack to ensure test isolation

This improves the speed from 10s to 4s.

The package tests timeout can be reduced to 5s:

    go test ./cmd/rpcdaemon/commands -count 1 --timeout 5s

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* RPC: admin.peers()

This RPC method returns information about the connected remote nodes.
https://geth.ethereum.org/docs/rpc/ns-admin#admin_peers

The peers are collected from all configured sentries.
See: https://github.com/ledgerwatch/interfaces/pull/102



Test with:
curl -X POST -H "Content-Type: application/json" --data '{"jsonrpc": "2.0", "method": "admin_peers", "params": [], "id":1}' localhost:8545

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* liner fix

Co-authored-by: alex.sharov <AskAlexSharov@gmail.com>

* got rid of the automatic usage of net api

* less confusing comment

* ops

* ops2

* important

* ops

* Update README.md

* Update flags.go

* Update README.md

* change syncmode default to snap sync

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* LastForkchoice accessors

* Update erigon-lib

* Prefer forkchoice head as latest block in RPC

* Fix typo

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* Implemented and tested subscription of logs

* Fixed lint errors

* fixed compilation error

* Removed print statements across code

* made review changes

* Validated hex addresses

* Fix 'all defaults' case for eth_estimateGas

* fix tests

Co-authored-by: Igor Mandrigin <i@mandrigin.ru>

* Fixes to subscribe logs

* Add criteria to logs subscription

* Skeleton of RPC daemon event log distribution

* Simplify

* Send aggregated filter to Erigon

* Change API

* Print

* Fixes

* Fix topics filtering

* Fill txHash and blockHash

* Timing logs, fill tx index

* Print

* More print

* Print

* Asynchronous sending of log events to RPC daemon

* Remove prints

* Only extract logs if there are subscribers

* Check empty when RPC daemon is removed

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

* added ws support and auth

* fixed lint

* Remove blockHeight arg from FeedHeaderPoW

* Revert "Remove blockHeight arg from FeedHeaderPoW"

This reverts commit 9bf92921db11cd4e13386fcee29f30241d070fc6.

* Move PayloadMessage & ForkChoiceMessage to package engineapi

* RequestList instead of newPayloadCh & forkChoiceCh

* Introduce request status

* Send reply only when request status is New

* Move BeaconRequestList to HeaderDownload

* Don't SetFetching when PoS (Fetching means handling newBlockHashes)

* Merge Syncing & Synced into DataWasMissing

* Introduce SyncStatus

* onlyNew arg in WaitForRequest

* Move waitingForBeaconChain into RequestList

* Interrupt instead of skipCycleHack

* Introduce timeout for PoS headers

* Split downloadMissingPoSHeaders

* Move StartPoSDownloader into HeaderDownload

* Move Stopping interrupt to StartPoSDownloader

* Move stopping PayloadStatus back to HeadersPOS

* cleanUpPoSDownload

* Post-merge fix

* TestBogusForkchoice

* TestPoSDownloader

* requestStatus in attemptPoSDownload

* Broadcast in SetStatus

* Cosmetics

* attemptPoSDownload -> schedulePoSDownload

* Demote some logs to Trace

* Separate handover timing

* Update

* Corrected handover time calculation

* Not use compression when aggregate

* Update to latest erigon-lib

* Update to erigon-lib main

* Update

* Disable reproducible builds

* Restore github actions

* Restore github actions

* Revert "linter to support go 1.18 (#3739)"

This reverts commit 1fd434d3.

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

Previously `txCtx` is not updated for every tx, which
leads to wrong tracing results.

Co-authored-by: can <can@canx.me>

* More Merge logging

* Even more logging

* Marshall incoming payload json

* Fix json formatting

* Revert json marshalling

* Some extra logs