* 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]>

* Bridge calls.

* Allow encoding messages for both Rialto and Millua.

* Add docs.

* Display full extrinsics in debug.

* cargo fmt --all

* Use info instead of debug,.

* Clarify units.

* Add derivation support.

* Add custom decoder for Accounts.

* cargo fmt --all

* Fix warn.

* Fix articles.

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

* Adding call encoding.

* Add message payload encoding.

* Nicer output.

* Add fee estimation.

* cargo fmt --all

* Split message payload encoding into separate command.

* Use HexBytes.

* cargo fmt --all

* Fix compilation.

* generate large messages

* consider headers sync lag when computing number of rewards in confirmation

* more fixes

* fix logs

* fix warnings

* do not wait until tx that has delivered nonces will be finalized before submitting other tx

* tests for maximal weight/size

* cleanup

* cleanup

* clippy

* compilation

* args for dispatch weight and remark size

* ExplicitOrMaximal

* clippy

* Change CLI UX.

* De-duplicate main.

* De-duplicate send message.

* Add more docs and extract functions.

* Fix scripts.

* cargo fmt --all

* Add missing 'u'.

* patch audit findings #42

* extend msg signature for substrate relay

* signature verification test

* make proof dependet on call_dispatch crate

* silence clippy

* revert deny exception

* address code review

* since it's not really a proof, call it digest

* estimate_message_delivery_and_dispatch_fee runtime API

* auto-determine message fees in relay

* remove fee argument from relay calls

* Fix import of weight contant

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

* Add option to relay for sending transfers to Millau chain

* Endow derived accounts on Millau chain

* Update message generator entrypoint script to send transfers

* Use correct command when sending messages

* Send Root messages from Root origin on source chain

* Wrap calls from Root Origin in Sudo Call

* Allow Root to send messages without paying fees

* Use correct variable when sending messages to Rialto

* Print warning if no message type is provided to script.

* Add note mentioning that certain source origins aren't supported yet

* Use correct runtime when initializing header sync

* Remove option to send messages as Root

* Remove endowment of derived Root accounts

* Fix indentation.

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

* Attempt at adding Cross-Chain Transfer Generator

* Add Transfer subcommand for sending messages to Rialto

* Add temp helper script for sending messages

* Remove Message and Lane Ids from Dispatch Event

* Increase transfer amount used by script

* Endow derived Dave account on Rialto with funds

* Update Message generator to send more types of messages

This commit first of all updates the script to use the new CLI
commands for sending messages. Second, it adds messages which are
sent from both Target and Source origins.

* Generate messages from Root origin

* Remove dbg! logs from relayer

* Log AccountId as well as HexId

* Remove Balances logs

* Add InstanceId and MessageId back to Dispatch Event

* Add InstanceId and MessageId types for Apps

* Add missing comment

* Document derived accounts as tests

* Move shared commands to variables

* Add example usage for send_message script

* Add docs to message variants

* Fix Clippy complaint

* kusama primitives + client

* polkadot primitives + client

* lost Chain definitions

* fix compilation and fmt

* Update primitives/runtime/src/lib.rs

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

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

* Update some docs

* Add derived account origin

* Add tests for derived origin

* Do a little bit of cleanup

* Change Origin type to use AccountIds instead of Public keys

* Update (most) tests to use new Origin types

* Remove redundant test

* Update `runtime-common` tests to use new Origin types

* Remove unused import

* Fix documentation around origin verification

* Update config types to use AccountIds in runtime

* Update Origin type used in message relay

* Use correct type when verifying message origin

* Make CallOrigin docs more consistent

* Use AccountIds instead of Public keys in Runtime types

* Introduce trait for converting AccountIds

* Bring back standalone function for deriving account IDs

* Remove AccountIdConverter configuration trait

* Remove old bridge_account_id derivation function

* Handle target ID decoding errors more gracefully

* Update message-lane to use new AccountId derivation

* Update merged code to use new Origin types

* Use explicit conversion between H256 and AccountIds

* Make relayer fund account a config option in `message-lane` pallet

* Add note about deriving the same account on different chains

* Fix test weight

* Use AccountId instead of Public key when signing Calls

* Semi-hardcode relayer fund address into Message Lane pallet

* relay Rialto messages to Millau

* impl SubmitRialtoToMillauMessage

* fmt

* replace generic message lane APIs with chain-specific

* moved SubstrateHeadersSyncPipeline to headers_pipeline.rs

* substrate-specific message lane trait

* Update relays/substrate/src/messages_lane.rs

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

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

* fixed message that is signed by relay

* clippy

* initialize substrate bridge from relay

* is_halted: false

* initialize using su instead of owner

* Fix wording in comments

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

* Millau messages -> Rialto relay

* prepare for custom race strategy of delivery race

* custom strategy for delivery race

* update TODOs

* add reference to issue 457

* impl reconnect

* clippy

* fix check in test

* fmt

* removed obsolete TODO

* fixed another TODOs

* fmt

* use MAX_UNCONFIRMED_MESSAGES_AT_INBOUND_LANE const from primitives

* Update relays/messages-relay/src/message_lane_loop.rs

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

* added SubstrateMessagesProof typedef

* fix test

* removed comment

* additional_proof_required -> ProofParameters

* typo

* multiline literal

* clippy

* fix typo

* and_then -> await

* update_source_latest_confirmed_nonce

* Update relays/messages-relay/src/message_race_delivery.rs

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

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

* Rialto -> Millau headers relay

* removed more constraints

* removed file from other PR

* Update primitives/rialto/src/lib.rs

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

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

* substrate-relay::SubmitMillauToRialtoMessage

* typo

* Update relays/substrate/src/cli.rs

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

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

* maintain MillauHeadersToRialto sync by subscribing to Millau justifications

* more tracing in maintain

* Update relays/substrate/src/headers_maintain.rs

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

* Update relays/substrate/src/headers_maintain.rs

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

* -Please

* -TODO

* revert raise recursion limit

* updated comment

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

* working-millau-to-rialto-relay

* fix Millau state root

* properly fix synced+incomplete headers for sub2sub

* removed wrong TODO

* fmt + clippy

* Update relays/headers-relay/src/headers.rs

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

* moved SubstrateTransactionMaker definition

* removed M from phantomdata

* removed prune_synced_children

* methods names as consts

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

* substrate-relay: initial commit

* MillauHeaderApi and RialtoHeaderApi

* post-merge fixes + TODOs + compilation

* mute warnings from sub2sub module+relay

* cargo fmt --all

* Run RustFmt as part of the CI

* Format repo

* Run RustFmt before the default Travis build step

Apparently if you override `script` you also need to make
sure to `build` and `test` the code yourself.

* Format repo

* Add the scripts.

* Add license preamble.

* Change existing license headers.

* Initial commit. CLI which parses RPC urls.

* Establish ws connections and make simple RPC requests.

* Complete bridge setup.

* Process subscription events.

* Ctrl-C handler.

* Write a bare-bones README and copy in design doc.

* Modularize code a little bit.

* Communicate with each chain in a separate task.

* Parse headers from RPC subscription notifications.

* Send (fake) extrinsics across bridge channels.

And now it's deadlocked.

* Fix deadlock.

* Clarify in README that this is not-in-progress.

* Move everything into a single folder

* Move Substrate relay into appropriate folder

* Get the Substrate Relay node compiling

* Update Cargo.lock

* Use new composite accounts from Substrate

* Remove specification document

It has been moved to the Wiki on the Github repo.

* Update author + remove comments

* Use latest master for jsonrpsee

Required renaming some stuff (e.g Client -> RawClient)

Co-authored-by: Jim Posen <[email protected]>