* message fee formula

* update GetDelvieryConfirmationTransactionFee

* include cost of transactions (i.e. not only dispatch cost) in delivery_and_dispatch_fee

* endow relayers fund account

* include db ops weight in max tx weight estimation

* (in bytes)

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

* 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

* 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]>

* 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

* Add AccountIdConverter impl to Kusama and Polkadot primitives

* Add missing message lane config constants

* Add more consts

* Add another missing const

* Move consts in primitives so that they're consistent across files

* Move types and consts to more intuitive locations

* Downgrade hyper from v0.13.8 to v0.13.6

This conflicts with a requirement on the Polkadot side
which requires that hyper is =v0.13.6

* Update hyper to v0.13.9

* Update async-io to v1.3.1

* Update socket2 from v0.3.15 to v0.3.18

* Update message weight/size constants

* Make BlockWeights/Length parameter types

Allows us to re-use these types from both the runtime and
the message lane config files without creating a new instance
of them.

* Remove uneccesary weight constants

These can be found in the `runtime-common` crate used
by Polkadot/Kusama. The constants there will also be
the most up-to-date versions.

* Readme community section

* better links

* address review

* correct Element history

* Update README.md

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

* Fix link to Element.io

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

* automated weights

* associated WeightInfo type

* update weights using wasmtime

* disable clippy for autogenerated weight.rs

* fix

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

* clippy

* still clippy

* clippy again

* receive_delivery_proof benchmarks

* fix compilation

* 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]>

* 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]>

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

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

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

* fix grandpa initialization

* fnt

* Add correct Docker commands in README

* Split long line

* add messages count parameter to delivery transaction

* fix benchmarks compilation

* benchmarks for pallet_message_lane::receive_messages_proof

* use CallOrigin::TargetAccount (worst case of CallOrigin)

* fmt

* closures

* 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]>

* fix compilation

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