* GRANDPA: optimize votes_ancestries when needed

* Address review comments

* optimize justification before submit

* fmt

* spelling

* clippy

* fmt again

* aaand compilation

* clippy

* `best_finalized_peer_at_best_self` in messages relay is now Option<> - before it was an error, which effectively blocked the lane

* unnecessary mut

* clone on return

* Simplify submit_and_watch_signed_extrinsic

The way submit_and_watch_signed_extrinsic is used now, we can always
derive the SignParam from other params. If in the future we need more
customization possibilities, we can define a new method.

* Simplify submit_signed_extrinsic

* Send maybe_batch_tx as a parameter

Send `maybe_batch_tx` as a parameter to `submit_proof()`. This way we
can deduplicate the logic that submits the extrinsic for
`messages_source and `messages_target` and we can simplify the logic in
the race loop a bit.

* Define BatchProofTransaction

Deduplicate BatchConfirmationTransaction and BatchDeliveryTransaction by
replacing both of them with BatchProofTransaction

* Define ChainWithUtilityPallet and BatchCallBuilderConstructor

- Define `ChainWithUtilityPallet` in order to be able to associate the
  batching functionality with chains
- Defining `BatchCallBuilderConstructor` in order to have a more reliable
  way of checking whether an end of a messages pipeline supports batching
  or no. `BatchCallBuilderConstructor::new_builder()` returns an
  `Option<BatchCallBuilder>`.This is a bit safer because each time a caller
  tries to start creating a batch call, it will call `new_builder()` and
  will be required to handle the returned `Option`. Before we only had a
  bool `BATCH_CALL_SUPPORTED` the caller could have forgetten to check.

* read extrinsic dispatch result for mined transaction

* commit for the history

* Revert "commit for the history"

This reverts commit 99341b04.

* Revert "read extrinsic dispatch result for mined transaction"

This reverts commit 662b776c.

* check for successfult transaction in finality relay

* check for successful transaction in parachains relay

* TrackedTransactionStatus ->TrackedTransactionStatus<HeaderId>

* check for successful transaction in messages relay

* fix compilation

* message_lane_loop_is_able_to_recover_from_unsuccessful_transaction

* fixed too-complex-type clippy error

* aaand compilation

* TransactionInvalidationTracker

* TransacitonInvalidationTracker -> TransactionTracker

* change sign_transaction method

* clippy and spelling

* removed comment

* more transactiontracker tests

* stalls_when_transaction_tracker_returns_error

* remove test code

* remove "impl TransactionTracker for ()"

* enum TrackedTransactionStatus

* test TransactionTracker in on_transaction_status

* do_wait

* change sign_transaction method

* clippy

* rustup update && clippy

* remove redudnant clone

* fix on-different-forks metrics during initialization

* "initialize" parachain finality pallet in on-demand parachains relay

* decrease converstion rate requests count

* more error logging

* fix compilation

* clippy

* introduce FinalityEngine in relay code

* add FinalityEngine to relay

* spelling

* fix test compilation

* Update relays/lib-substrate-relay/src/finality/source.rs

Co-authored-by: Adrian Catangiu <[email protected]>

Co-authored-by: Adrian Catangiu <[email protected]>

* reinitialize bridge subcommand

* PolkadotToKusama in reinit-bridge

* using_same_fork metric in finality relay

* support `using_different_forks` in messages relay

* added dashboards and alerts

* lockfile

* encode and estimate Rococo/Wococo/Kusama/Polkadot messages

* allow send-message for non-bundled chains

* weight -> dispatch-weight

* fmt

* fix spelling

* The `spec_version` and `transaction_version` query from chain

* fix compile

* Lint

* Custom spec_version and transaction_version

* runtime version params struct opt

* runtime version cli

* cli params

* Add missing types defined

* fix compile

* debug cli

* clippy

* clippy

* Query spec_version and transaction_version same times

* Fix vars

* Wrap option

* Wrap option

* Try fix ci

* Change follow suggestions

* refactor message relay helpers

* single standalone_metrics function

* fixed tests

* clippy + fmt

* removed commented code

* add calls tracing

* fix spelling

* cargo fmt

* -commented code

* fix build again

* post-merge build fix

* clippy + fmt

* refactor finality relay helper definitions

* add missing doc

* removed commented code

* fmt

* disable rustfmt for macro

* move best_finalized method const to relay chain def

* transactions mortality in message and complex relays

* logging + enable in test deployments

* spellcheck

* fmt

* Alter gitlab.

* Use substrate's rustfmt.toml

* cargo +nightly fmt --all

* Fix spellcheck.

* cargo +nightly fmt --all

* format.

* Fix spellcheck and fmt

* fmt?

* Fix spellcheck

Co-authored-by: Tomasz Drwięga <[email protected]>

* mortal relay transactions

* sign block hash for mortal transactions

* TransactionEraOf

* add explanation

* enable mortal transactions for Westend -> Millau headers relay

* clippy

* spellcheck

* lib-substrate-relay

* pass to build

* remove unused file

* clippy && tests

* Changed follow suggestions

* License

* Make changes follow suggested

* docs

* fix fmt

* Update copyright date to 2021

* Bump date in license header template

* on-demand headers relay

* bool::then

* move file

* atomic submit_signed_extrinsic

* remove cli options from future

* test on-demand relay

* TODOs

* fixed initialization call for Westend -> Millau

* Update relays/client-substrate/src/client.rs

Co-authored-by: Hernando Castano <[email protected]>

* removed on_demand_headers_relay.rs

* on_demand_headers_relay traces

* fix compilation

* fmt

* docs

Co-authored-by: Hernando Castano <[email protected]>

* Remove chains.

* Move relay clients.

* Flatten generic.

* Fix fmt.

* finality proofs relay

* SyncHeader::is_mandatory

* empty ancestry proof

* logs

* fixed submit condition

* fixed wrong split index

* tick comment

* recent_finality_proofs

* basic finality loop tests

* removed obsolete files

* rename files in substrate relay

* fmt

* clippy

* fixed TODOs

* clippy

* stop syncing if target node is out of sync

* more clippy

* more clippy

* Update relays/finality-relay/src/finality_loop.rs

Co-authored-by: Hernando Castano <[email protected]>

* Update relays/finality-relay/src/finality_loop.rs

Co-authored-by: Hernando Castano <[email protected]>

* Update relays/finality-relay/src/finality_loop.rs

Co-authored-by: Hernando Castano <[email protected]>

* docs

* moved doc

* typo

* Update relays/finality-relay/src/finality_loop_tests.rs

Co-authored-by: Hernando Castano <[email protected]>

* Update relays/finality-relay/src/finality_loop_tests.rs

Co-authored-by: Hernando Castano <[email protected]>

* header_and_finality_proof_by_number -> header_and_finality_proof

* VecDeque isn't required (because of make_contiguous)

* fixed wrong expect

* Update relays/finality-relay/src/finality_loop.rs

Co-authored-by: Hernando Castano <[email protected]>

* Update relays/substrate/src/rialto_headers_to_millau.rs

Co-authored-by: Hernando Castano <[email protected]>

* Update relays/substrate/src/rialto_headers_to_millau.rs

Co-authored-by: Hernando Castano <[email protected]>

* RialtoSyncHeader

* Update relays/finality-relay/src/finality_loop.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* Update relays/finality-relay/src/finality_loop.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* removed wrong comment

* Update relays/finality-relay/src/finality_loop.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* fix used runtime methods names

* fix for new jsonrpsee

* fix comment

* initialize finality verifier pallet

* fmt

Co-authored-by: Hernando Castano <[email protected]>
Co-authored-by: Tomasz Drwięga <[email protected]>