* more backports from Cumulus subtree

* spelling

* fmt

* trigger CI

* Revert "trigger CI"

This reverts commit b009d732.

* Revert "Revert "trigger CI""

This reverts commit 715606a7.

* Revert "Revert "Revert "trigger CI"""

This reverts commit dc0d2233.

* Fix deps

* Fix deps

* Updated version according to Cumulus

* Renaming

* Cargo.lock

Bumps [scale-info](https://github.com/paritytech/scale-info) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/paritytech/scale-info/releases)
- [Changelog](https://github.com/paritytech/scale-info/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paritytech/scale-info/commits)

---
updated-dependencies:
- dependency-name: scale-info
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [scale-info](https://github.com/paritytech/scale-info) from 2.4.0 to 2.5.0.
- [Release notes](https://github.com/paritytech/scale-info/releases)
- [Changelog](https://github.com/paritytech/scale-info/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paritytech/scale-info/compare/v2.4.0...v2.5.0)

---
updated-dependencies:
- dependency-name: scale-info
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [hex-literal](https://github.com/RustCrypto/utils) from 0.3.4 to 0.4.0.
- [Release notes](https://github.com/RustCrypto/utils/releases)
- [Commits](https://github.com/RustCrypto/utils/compare/hex-literal-v0.3.4...hex-literal-v0.4.0)

---
updated-dependencies:
- dependency-name: hex-literal
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Bumps [finality-grandpa](https://github.com/paritytech/finality-grandpa) from 0.16.1 to 0.16.2.
- [Release notes](https://github.com/paritytech/finality-grandpa/releases)
- [Commits](https://github.com/paritytech/finality-grandpa/compare/v0.16.1...v0.16.2)

---
updated-dependencies:
- dependency-name: finality-grandpa
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

* Bump substrate/polkadot/cumulus

* sp_finality_grandpa - >sp_consensus_grandpa

* sp_beefy -> sp_consensus_beefy

* pallet_randomness_collective_flip -> pallet_insecure_randomness_collective_flip

* fix

* Cumulus parachain stuff

* Cumulus parachain stuff one more

* Millau/Rialto runtimes

* Removed pallet_insecure_randomness_collective_flip

* Millau node

* Removed session historial

* TMP: just try disable all fetches

* Docs in gitlab.yml

* reject storage proofs with unused nodes: begin

* fix ignores_parachain_head_if_it_is_missing_from_storage_proof

* message_proof_is_rejected_if_it_has_duplicate_trie_nodes && message_proof_is_rejected_if_it_has_unused_trie_nodes

* proof_with_duplicate_items_is_rejected and proof_with_unused_items_is_rejected

* clippy

* fix benchmarks compilation

* impl From<Error> for &'static str

* fix review comments

* added comment

* reintroduce header chain trait

* renive BridgedChainWithMessages::maximal_extrinsic_size

* update Substrate/Polkadot/Cumulus refs

* finality-grandpa 0.16

* fix miillau-runtime compilation

* fix rialto runtime compilation

* fixed rialto-parachain runtime compilation

* backport GRANDPA test fixes

* helper instead of removed record_all_keys

* substrate-relay is compiling

* millau-bridge-node at least compiles

* rialto-bridge-node at least compiles

* rialto-parachain-collator compiles

* fixings tests (wip)

* fmt

* fixed BEEFY alert

* clippy

* removed unused dep

* -extra var

* move Leaf to mod mmr

* fix benchmarks

* switch to gav-xcm-v3 branch (wip)

* add comment

* play with CI

* keep playing with CI

* play with CI

* trigger CI

* Revert "trigger CI"

This reverts commit fc35ac64.

* cumulus: 4e952282914719fafd2df450993ccc2ce9395415
polkadot: 975e780ae0d988dc033f400ba822d14b326ee5b9
substrate: 89fcb3e4f62d221d4e161a437768e77d6265889e

* fix refs

* sync changes from https://github.com/paritytech/polkadot/pull/3828

* sync changes from https://github.com/paritytech/polkadot/pull/4387

* sync changes from https://github.com/paritytech/polkadot/pull/3940

* sync with changes from https://github.com/paritytech/polkadot/pull/4493

* sync with changes from https://github.com/paritytech/polkadot/pull/4958

* sync with changes from https://github.com/paritytech/polkadot/pull/3889

* sync with changes from https://github.com/paritytech/polkadot/pull/5033

* sync with changes from https://github.com/paritytech/polkadot/pull/5065

* compilation fixes

* fixed prometheus endpoint startup (it now requires to be spawned within tokio context)

* verify that GRANDPA pallet is not initialized before submitting initialization transaction

* spelling

* substrate: d0f6c1c60da22e04dd25c2eca46ebfe6f1571af0
polkadot: dd4b2e6a34a08a01b876d14641e99e7011be3463
cumulus: 9379cd6c1863ea846ad6c6a8cbbc99848dd5d693

* fmt

* fixed lost refs

* spelling

* benckhmarks

* fmt

* Remove Trailing Space

* Correct Source Chain Name

* custom justification verification

* is_ancestor -> ensure_descendant

* PrecommitIsNotCommitDescendant

* Update primitives/header-chain/src/justification.rs

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

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

* 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

* Add skeleton for `pallet-finality-verifier`

* Sketch out implementation for importing finality proofs

* Get pallet compiling

* Introduce skeleton for mock runtime

* Start using real Grandpa types in finality pallet

* Redefine types in header chain primitives crate

* Implement HeaderChain for Substrate bridge pallet

* Plug Substrate Bridge Pallet into verifier mock

* Fix compilation of `header-chain` primitives

* Start writing to base pallet storage

* Add first "cross-pallet" test

* Move keyring primitives used in tests to shared crate

* Stop pulling `std` deps into `no_std` builds

* Revert "Stop pulling `std` deps into `no_std` builds"

This reverts commit f74dd660.

* Revert "Move keyring primitives used in tests to shared crate"

This reverts commit b774fa73.

* Use new SS58Prefix type in mock

* Start using `bp-test-utils` in finality pallet

* Start using real justification code

* Get a test working with real justification verification

* Add basic tests for invalid proofs

* Get rid of AncestryProof config type

* Add error types to transaction outcome

* Bound number of headers allowed in a single ancestry proof

* Disallow invalid authority sets

* Remove unused items

* Add some documentation

* Get rid of Clippy warnings

* Rename BaseHeaderChain to TransactionVerifier

* Remove unused code

* Make dummy trait implementations more generic

* Fix more Clippy complaints

* Update tests to use fix for duplicate headers

* Fix benchmarking compilation

* Rename TransactionVerifier to InclusionProofVerifier

* 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]>

* Add header-chain primitive crate

* Make MinimalHeaderChain functionaly the same as PeerBlockchain

* Use a better doc comment for MinimalHeaderChain

* Fix benchmark compilation

* Rust Fmt

* Remove Substrate based dependencies

* Rename MinimalHeaderChain to BaseHeaderChain