* cmd,consensus/bor,eth,internal,tests: init heimdall-v2 integration

* cmd,consensus/bor,eth,internal: refactor and todo comments

* go mod tidy

* update cosmos-sdk/client/v2

* consensus/bor: fix setting of proto message value to correct type

* Fix milestone response

* Latest milestone response fixes

* Milestone custom unmarshal

* Fix milestone parsing

* Fix milestone parsing

* Fix milestone no-ack parsing

* Fix milestone no-ack parsing

* Remove log

* Test fixes

* checkpoint: fix response

* Custom unmarshaling for checkpoint

* Fix fetching milestone by id

* Fix milestone count response

* Fix checkpoint responses

* Remove FetchMilestoneByID

* Fix MinimalVal

* consensus/bor: add page param to state sync fetch url

* consensus/bor: fix state sync url

* consensus/bor: add debug log for state sync

* consensus/bor: minor change to fetchStateSyncEventsFormat

* consensus/bor: fix state sync event record decoding

* update heimdall-v2 commit

* consensus/bor: remove debug print logs

* consensus/bor: fix fetching list of state sync

* consensus/bor: remove unused const

* Fast consensus

* Disable milestone lock

This is to unblock an issue where more than one milestone are proposed at the same time.

* Modify docker file to access private repo

* Only apply early block announcement to primary block producer

* Remove milestone no-ack fetching

* Find and insert whitelisted chain on new milestone

* dependencies

* update CI

* integration tests update

* milestone ws connection & handler refactor

* logs to validate

* more logs

* more lgos

* more logs

* remove deadline

* connection recover and logs to validate

* small make fixes

* remove logs

* refactor on retry mechanism

* empty ws addree by default

* install solc-select on e2e ci tests

* Bor without heimdall

* bor nil check

* Bor without heimdall

* chore: add removePrefix

* Milestone using gRPC

* Checkpoint using gRPC

* Span and State Sync using gRPC

* Minor nit

* Change milestone log to Debug

* fix milestone count, remove Span, and lint fixes

* fix FetchMilestone func

* Bor without heimdall

* remove extra line to fix lint

* Handle race condition cases - requesting heimdallv2 via v1 client

* fix: generate-mocks and test

* chore: comment out Span in heimdallapp

* minor chores

* address govuln check

* Return empty state sync events on error

* Increase milestone ticker

* Parse API server url and set tendermint RPC port

* fix nil pointer dereference on DoCall

* Continue even if we cannot fetch state sync events

* fix: metrics

* address comments

* chore: remove .EXPECT().Span from tests

* chore: fix test warnings

* fix: Bor-HV2 tests

* Bor without heimdall

* fix mocks

* Fix checkpoint v2 and milestone v2 responses

* Use proper url to fetch halt height

* Fix checkpoint and milestone v2 response

* Add debug logs

* Remove debug logs

* Set HF is approaching to true

* Debug logging

* Use correct latest span url

* If HF is approaching dont request v1 span with retry

* Fix querying latest stored span

* Add logs

* Correctly calculate self committed span start and end blocks

* Fix self committing of span start block

* Fix halt height types

* Halt height monitor fixes

* Fetch halt height every 5 seconds

* Fix heimdall halt height monitor

* Remove halt height monitor

* Dont panic if span not stored

* Retry until span is available in v1

* Enable self committing of spans for heimdallv2

* Dont retry indefinetely GetSpanV2

* Fix span length calculation

* Cleanup

* gRPC client to support heimdall v1 and v2

* Fix tests

* Fixing comments

* Fixing comments

* Remover bor without heimdall changes

* Uncomment fake miner

* Bor without heimdall

* Add GetStartBlockHeimdallSpanID endpoint

* Dont use websocket connection if it failed to connect

* Fix storing start block original span id

* Store IsHeimdallV2 in persistent storage

* Fix go.mod

* update APIs / bump v2

* Fix go.mod

* Use chainparams to detect hv1 and hv2

* Fix test

* Add missing func

* Audit report improvements

* Fix storing version flag

* Fix matic-cli-config

* Move bor span self commit logic to the span store

* Retry with backoff - detect if heimdall version changed

* Fix panics

* Fix return

* Fix tests

* Span start and end block calculation fixes

* fix: ci.yml and matic-cli config (#1571)

* Fix CI comments

* Update CI go version

* Remove alias

* Fix comment

* Fix wrong comments

* Remove unused url

* Added panic for not implemented running of heimdall from bor

* Handle error on SetReadDeadline

* Added error handling and falling back to HTTP for ws milestones fetching

* Added retrying if subscribeAndHandleMilestone fails

* Remove unused fnName parameter from retryHeimdallHandler

* Remove unused function

* Remove unused function

* Fix imports ordering

* Updated heimdallv2 dependency version and added total difficulty to milestone

* Fix typo

* Fix tests

* Fix tests

* Fix tests

* Fix tests

* Fix milestones and checkpoints count

* Fix tests

* Fix tests

* Fix TestInsertingSpanSizeBlocks

* Fix TestSimulatedBackend

* Fix lint and tests

* Fix TestSimulatedBackend

* Fix lint

* Cleanup logs

* Fix tests

* Turn serve warning to debug

* Increase testGenerateBlockAndImport timeout

---------

Co-authored-by: Raneet Debnath <raneetdebnath10@gmail.com>
Co-authored-by: Pratik Patil <pratikspatil024@gmail.com>
Co-authored-by: Raneet Debnath <35629432+Raneet10@users.noreply.github.com>
Co-authored-by: Jerry <jerrycgh@gmail.com>
Co-authored-by: marcello33 <marcelloardizzone@hotmail.it>
Co-authored-by: Lucca Martins <lucca_martins30@yahoo.com.br>
Co-authored-by: kamuikatsurgi <shahkrishang11@gmail.com>
Co-authored-by: Krishang Shah <109511742+kamuikatsurgi@users.noreply.github.com>