Moves Block to frame_system instead of construct_runtime and removes Header and BlockNumber (#2790)

* Fixes

* Removes unused import

* Uses Block and removes BlockNumber/Header from Chain

* Fixes bridges

* Fixes

* Removes unused import

* Fixes build

* Uses correct RelayBlock

* Minor fix

* Fixes glutton-kusama

* Uses correct RelayBlock

* Minor fix

* Fixes benchmark for pallet-bridge-parachains

* Adds appropriate constraints

* Minor fixes

* Removes unused import

* Fixes integrity tests

* Minor fixes

* Updates trait bounds

* Uses custom bound for AsPrimitive

* Fixes trait bounds

* Revert "Fixes trait bounds"

This reverts commit 0b0f42f583f3a616a88afe45fcd06d31e7d9a06f.

* Revert "Uses custom bound for AsPrimitive"

This reverts commit 838e5281adf8b6e9632a2abb9cd550db4ae24126.

* No AsPrimitive trait bound for now

* Removes bounds on Number

* update lockfile for {"substrate", "polkadot"}

* Formatting

* ".git/.scripts/commands/fmt/fmt.sh"

* Minor fix

---------

Co-authored-by: parity-processbot <>

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/tests/tests.rs

@@ -27,6 +27,7 @@ use bridge_hub_rococo_runtime::{
 };
 use codec::{Decode, Encode};
 use frame_support::parameter_types;
+use frame_system::pallet_prelude::HeaderFor;
 use parachains_common::{AccountId, AuraId, Balance};
 use sp_keyring::AccountKeyring::Alice;
 use sp_runtime::{
@@ -81,7 +82,7 @@ fn construct_and_apply_extrinsic(
 	r.unwrap()
 }
 
-fn executive_init_block(header: &<Runtime as frame_system::Config>::Header) {
+fn executive_init_block(header: &HeaderFor<Runtime>) {
 	Executive::initialize_block(header)
 }