* fixed messages count check

* explicit check of `messages_count` in the receive_messages_proof

* change messages_count to be u32

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

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

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

* Add test proving bug

* Add checks for duplicate headers

* Fix Clippy error

* Move justification module to header-chain primitives crate

* Get justification module compiling in new location

* Get justification module tests compiling

* Use justification code from `header-chain` crate

Mostly compiles, having issues with std/test feature flags across crates.

* Move some code around

* Move justification tests to integration testing crate

* Add `test-utils` crate

* Remove tests and test-helper module from justification code

* Use `test-utils` in Substrate bridge pallet tests

* Remove `sp-keyring` related code from `pallet-substrate-bridge`

* Remove `helpers` module from `pallet-substrate-bridge`

* Add some documentation

* Add more documentation

* Fix typo

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

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

* do not refetch completion data instantly

* clippy

* Add some disclaimers about security decisions

* Be more explicit with warnings

* reward confirmation relayer

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

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

* added some constants

* pallet_balances

* removed comment

* fix typo

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

* Remove latest_*_nonce.

* cargo fmt --all

* Fix tests.

* cargo fmt --all

* Fix benchmarking.

* Update docs.

* `send_message` weight now depends on message size

* fix tests

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

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

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

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

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

* Use automatic tags from Build-Push-Publish Action

* Publish dependencies when PR-ing against master

* Use correct name of image for Docker Hub

* Remove step to build on PR

* Use `cargo-chef` for caching deps in Dockerfile

* Move dependencies to dedicated Dockerfile

* Use my published bridge-deps image

* Remove unused Bridge Dockerfile

* Remove unnecessary dependencies

* Add GitHu Action for publishing dependencies Dockerfile

* Change publishing schedule to be nightly

* Remove leftover comment

* Add better docs to Dockerfile

* Document relayers fund existence and add root account.

* Introduce initialize method instead of assuming that relayer_fund_account is always required.

* cargo fmt --all

* Fix benchmarks.

* cargo fmt --all

* Fix docs for the relayer fund account.

* 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]>

* weight formulas for message-lane calls

* extracted WeightInfoExt into separate file