* Use more accurate weight calculation in declared weight

* Remove session length and validator set size config constants

* Remove config params from mock

* Allow specifying total number of votes-ancestries per justification

* Change limits used during benchmarking

* Regenerate weights

* Use simplified weight annotation

* Remove comment

* Address leftover TODO

* Prevent possible divide by zero errors

* Use correct argument order in weight declaration

* Add benchmarking skeleton

* Allow runtime to indicate concrete header type for benches

* Set up skeleton for benchmark tests

* Play around with mutating bench header

* Create a working test for benchmarking

* Add benches related to enacting authority set changes

* Add bench for checking effect of prec-commits/vote ancestries

* Use new `no_std` test utils in benchmarks

* Support pallet instances in benchmarking

* Use correct benchmarking instance macro

* Add instance to runtime benchmark helper impl

* Start using new justification creation API

* Allow mock header's number to be specified

* Set up benches with correct fork/depth parameters

* Use new pallet name during runtime bench setup

* Use correct `set_id` in tests

* Limit number of forks as workaround to get tests passing

* Use number of authorities which matches number of forks

* Make sure test post-conditions are checked properly

* Only read `Current...

* Allow creation of authority lists with any number of authorities

* Move keyring helpers into their own module

* Add helper for generating list of test accounts

* Fix import names in tests

* Rename Keyring trait to Signer

* Get list of accounts in a more functional way

* Clarify meaning of `test_keyring` return type

* Use concrete test account type instead of generics

* Make sure voter set contains all authorities which signed off on pre-commits

* Add way to create tunable GRANDPA justifications

* Use new function in tests

* Allow multiple authorities on a single fork

* Only store pre-commit targets instead of full ancestry chains

* Rename precommit_header to be more generic

* Push new digest item instead of overriding entire digest

* Ensure that we generate chains with non-zero length

* Extract justification creation parameters into struct

* Appease Clippy

* Use `sp-application-crypto` when generating test justifications

* Try to justifications tests compiling

* Try using `ed25519_dalek` for justification creation

* Small cleanup

* Correctly generate a Keypair

The public key didn't correspond to what would be derived
with the given private key.

* Remove enum index hack

* Clean up test account helper functions

* Fix tests in `pallet-finality-verifier`

* Get `pallet-substrate-bridge` tests compiling again

* Use the correct keyring in justification tests

* Clean up Keyring related code a bit

* Appease Clippy

* Remove unused import

* Use keyring variants directly

* Remove unecessary From implementation

* Make Substrate deps uniform

* Rest of the deps.

* Fix broken merge.

* Revert substrate.

* Fix tests

Co-authored-by: Pierre Krieger <[email protected]>

* Bump substrate deps.

* Bump scale.

* Bump ethabi.

* Remove inherent from aura.

* Migrate to construct_runtime

* cargo fmt --all

* 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]>