Reflects the fact that a set of nodes makes up a network.

* integrate message-lane RPCs into Millau and Rialto runtime

* fmt

* use instance in InboundLanes

* moved RialtoMessageLaneKeys/MillauMessageLaneKeys inside rpc_extensions_builder to ease Substrate refs update

* try to fix build

* use pinned nightly for in stable

The nodes should be getting pulled in from the new compose files.

* 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]>

* millau -> rialto lanes integration

* extrace common message-lane integration types into bridge-runtime-common

* rialto_messages.rs in Millau runtime

* tests

* Update bin/rialto/runtime/src/millau_messages.rs

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

* RELAYER_INTEREST_PERCENT -> RELAYER_FEE_PERCENT

* Update bin/runtime-common/src/messages.rs

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

* estimate_message_dispatch_and_delivery_fee returns Result

* Update bin/rialto/runtime/src/millau_messages.rs

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

* Update bin/rialto/runtime/src/millau_messages.rs

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

* Update bin/rialto/runtime/src/millau_messages.rs

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

* fmt

* mowed weight formula to primitives

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

* InboundLaneApi::latest_confirmed_nonce

* Fix wording and typo

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

* reward relayers for dispatching messages

* clippy

* Update modules/message-lane/src/lib.rs

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

* added comment

* Update modules/message-lane/src/inbound_lane.rs

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

* Update modules/message-lane/src/inbound_lane.rs

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

* SubmitterId + RelayerId -> AccountId

* add confirmation_relayer arg to pay_relayer_reward

* cargo fmt --all

* removed verify_and_decode_messages_proof from SourceHeaderChain

* &mut self -> RefCell

* Optimize max messages at inbound lane (#418)

* Add tests for checking messages above max limit

Signed-off-by: MaciejBaj <[email protected]>

* Extend the relayers entry of inbound lane by additional msg nonce

Signed-off-by: MaciejBaj <[email protected]>

* Support additional message nonce from inbound relayers

Signed-off-by: MaciejBaj <[email protected]>

* Code format

Signed-off-by: MaciejBaj <[email protected]>

* Merge messages range for highest relayers

* Change unwrap() to ensure() while accessing relayers

* Edit rustdocs for relayers deque at inbound lane data

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

* Declare additional relayers A & B and use across tests consistently

Signed-off-by: MaciejBaj <[email protected]>

* Remove duplicates and improve naming for inbound lane tests

* Fix test checking max limit per inbound lane

* Correct relayers rewards loop after a proof is received

* Remove redundant check for messages ahead of received range

* Correct grammar at inbound lane tests rustdocs

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

* Improve code quality of relayers updates 💅



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

* Test dispatches above max limit from same relayer

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

* Fix typo.

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

* Pin nightly to the 2020-10-04 release

* Update nightly version in Dockerfiles

* Actually install pinned nightly and Wasm utils

* 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]>

* add HeaderTimestamp associated type

* use Header Timestamp

* rename HeaderTimestamp to ChainTime

* add unit test

* deal with clippy

* Apply suggestions from code review

Commit review suggestions

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

* code review

* cargo fmt

* get rid of additional test runtime

* unit test asserts against concrete import context

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

* expose GRANDPA RPC API from Millau node

* fmt

* Add Rialto as a target for the Millau node

* Rename Rialto module to Rialto-PoA

This will reduce confusion as the Millau runtime has a
Rialto module as well which refers to the Substrate chain.

* Add Millau as a target for the Rialto node

* Be more explicit about Rialto PoA related code

* Missed some name changes in the Ethereum PoA relay

* Re-export Substrate pallet structs used by node

* Remove `first_scheduled_change` of Millau in Rialto node

* Make Millau's genesis config for Rialto bridge more accurate

* Set initial header for Millau config

* Update initial Millau authorities

Co-authored-by: Svyatoslav Nikolsky <[email protected]>

* RustFmt Millau authorities

Co-authored-by: Svyatoslav Nikolsky <[email protected]>

* extract ChainBase to bp-runtime

* post-merge fixes

* cargo fmt --all

* compilation fixes

* reexport BlockNumberOf, HashOf, HeaderOf